WIRTGEN GMBH Patent applications |
Patent application number | Title | Published |
20150345291 | Tool Holder - The invention relates to a bit holder for a road milling machine or the like, having a base part on which a bit shank and a projection are shaped, the projection comprising a bit receptacle, and the bit receptacle being constituted from a socket-shaped insert made of hard material. With a bit holder of this kind, good rotational behavior of the bit can be assisted and stable bracing thereof can be guaranteed, with little parts outlay, if provision is made that the bit receptacle is embodied as a stepped bore that comprises a first and a second diameter region, the first diameter region having a larger inside diameter than the second diameter region. | 12-03-2015 |
20150056015 | Slipform Paver, As Well As Method For Adjusting The Width Of A Mold Device - In a slipform paver with a tractor including a machine frame with longitudinal members and telescopable cross members, the machine frame comprises a central frame module in which the cross members are supported in a telescopable fashion. A mold adjustable to the working width comprises at least one permanent central mold element fixed relative to the central frame module and at least one permanent outer mold element movable relative to the central frame module. The permanent outer mold element is permanently attached to one of the cross members and/or one of the longitudinal members and the outer mold element is movable together with the cross member and/or the longitudinal member during the adjustment of the working width of the machine frame. | 02-26-2015 |
20150056014 | Slipform Paver, As Well As Method For Adjusting The Width Of A Mold Device - In a slipform paver with a tractor including a machine frame with longitudinal members and telescopable cross members, the machine frame comprises a central frame module in which the cross members are supported in a telescopable fashion. A mold adjustable to the working width comprises at least one permanent central mold element fixed relative to the central frame module and at least one permanent outer mold element movable relative to the central frame module. The permanent outer mold element is permanently attached to one of the cross members and/or one of the longitudinal members and the outer mold element is movable together with the cross member and/or the longitudinal member during the adjustment of the working width of the machine frame. | 02-26-2015 |
20140333119 | Road Milling Machine For Working Road Or Ground Surfaces - A road milling machine includes a machine frame, front wheels or tracks, rear wheels or tracks, and a milling drum supported from the machine frame between the rear wheels or tracks. The front wheels or tracks are mounted on pivoting columns. Steering levers are attached to the pivoting columns. A steering tie rod includes a connecting part and a projecting arm. The connecting part is connected to the steering levers. A steering cylinder is connected to a free end of the projecting arm. | 11-13-2014 |
20140333118 | Road Milling Machine, As Well As Method For Mounting A Cantilevered Milling Drum - In a road milling machine, in particular small milling machine, for working road surfaces, with a machine frame, with a milling drum supported in the machine frame and capable of being driven by a milling drum drive, where stud bolts for mounting the milling drum project from the milling drum drive, said stud bolts, in mounted condition, engaging with cut-outs arranged accordingly in a connecting flange of the milling drum, it is provided for the following features to be achieved: that the milling drum drive comprises, as a minimum, one mounting stud which engages with a corresponding opening adapted to said mounting stud in the connecting flange of the milling drum, wherein the mounting stud projects axially vis-à-vis the stud bolts to such an extent that the milling drum rests on the mounting stud prior to engaging with the stud bolts. | 11-13-2014 |
20140333117 | Road Milling Machine, In Particular Small Milling Machine, For Working Road Surfaces - In a road milling machine, in particular small milling machine, for working road surfaces, with a machine frame, with a milling drum supported at the machine frame in a drum casing, with a milling drum drive comprising a drum gearbox mounted at the drum casing, where the drum gearbox comprises a gearbox housing with a connecting flange for mounting at the drum casing, as well as a reduction gearbox and an output shaft for driving the milling drum, it is provided for the following features to be achieved: that the gearbox housing comprises, on the underside between the reduction gearbox and the connecting flange, a cut-out dividing the gearbox housing and extending radially inwards in such a fashion that the reduction gearbox is arranged in a first housing part arranged outside of the drum casing, and the output shaft is arranged in a second housing part protruding into the drum casing. | 11-13-2014 |
20140333115 | Road Milling Machine For Working Road Or Ground Surfaces, As Well As Method For Steering A Road Milling Machine - A road milling machine with a machine frame supported by a chassis with one front axle and one rear axle with wheels or crawler tracks, with a milling drum mounted at the machine frame to rotate between the rear wheels, where said milling drum ends nearly flush with a zero-clearance side, it is provided that the wheels or crawler tracks of the front axle as seen in the direction of travel are arranged offset from one another in such a fashion that one of the front wheels or tracks is arranged in front of the other front wheel or crawler track as seen in the direction of travel. | 11-13-2014 |
20140265529 | Bit Holder And Base Part For Receiving A Bit Holder - The invention relates to a bit holder having an insertion projection and having a holding projection having a bit receptacle, the insertion projection comprising a bearing segment and the holding projection comprising a supporting segment. In order to allow the bit holder to be braced in permanent and stable fashion with respect to a base part, provision is made according to the present invention that the supporting segment and/or the bearing segment comprise two supporting surfaces and bearing surfaces, respectively, arranged at an angle to one another; and that the longitudinal center axis of the bit receptacle and the longitudinal axis of the insertion projection enclose an obtuse angle. | 09-18-2014 |
20140244208 | Method And Device For Determining An Area Cut With A Cutting Roll By At Least One Construction Machine Or Mining Machine - In a method for determining an area milled by at least one construction machine or at least one mining machine by means of a milling drum ( | 08-28-2014 |
20140205400 | Milling Machine, In Particular Surface Miner, And Method For Mining Milled Material Of An Open Cast Surface - In a method for milling an opencast mining surface or for milling off layers of an asphalt or concrete traffic surface with a milling machine removing the ground surface, by milling the ground surface along a predetermined milling track and by transporting the milled material via a conveying device to at least one container of a truck that travels along next to the milling machine, a relative position between the container and the conveying device is automatically controlled to regulate the loading of the container. | 07-24-2014 |
20140199120 | Road Construction Machine, As well As Method For Controlling The Distance Of A Road Construction Machine Moved On A Ground Surface - A road construction machine comprising height adjustment devices which adjust the position of the plane of the machine frame in accordance with control signals, where the leveling device measures the distance of the ground surface to the machine frame and controls the height adjustment devices so the machine frame is movable at an adjusted orthogonal distance to the surface; a transmitter is arranged at the machine frame in a rigid fashion, and a receiver is movable, parallel to and synchronously with the machine frame, or vice versa, where the transmitter emits a measuring beam representative of a reference plane, the measuring beam being detectable by the receiver and representing either a plane extending parallel to the machine frame or a plane extending parallel to the ground surface, where the current distance of the machine frame to the current reference location is measurable from the detected position of the reference plane. | 07-17-2014 |
20140191560 | Method For Optimizing A Cutting Process In Road Milling Machines, As Well As Milling Machine For Machining Road Coverings - In a method for optimizing a cutting process in milling machines which are used to machine road coverings, which comprise a milling device fitted with milling tools which is sprayed with liquid in order to cool the milling tools, in addition to a drive motor, the following steps are provided: detection of the at least one parameter which is representative of the instantaneous power output of the milling device and controlling the amount of cooling liquid supplied according to the at least one parameter which is representative of the instantaneous power output of the milling device. | 07-10-2014 |
20140147206 | Method For The Treatment Of Layers, As Well As Construction Machine, In Particular Soil Stabilizer Or Recycler - In a method and a device for the treatment of a layer by introducing a binder and/or water and/or additives into a milled-up quantity of milled material of the layer to be stabilized by means of a construction machine or attachment machine with a milling/mixing rotor that is used to mill the layer at a specified milling depth, where the milling/mixing rotor is surrounded by a rotor housing which forms the boundary of the mixing chamber of the milling/mixing rotor, it is provided that during the positioning process, at least the binder quantity currently fed until reaching the specified milling depth is determined in accordance with the milled-up quantity of milled material currently present in the mixing chamber. | 05-29-2014 |
20140117741 | Chisel Holder For A Soil Treatment Machine - The invention relates to a bit holder for an earth working machine, in particular a road milling machine, that comprises a bit receptacle in the region of a working side of a support member and that indirectly or directly carries an insertion projection on an insertion projection side of the support member, the support member comprising two stripping surfaces [first or second stripping surfaces] that form a stripping surface pair and are at an angle to one another. In order to achieve a stable and long-lived configuration with such a bit holder, provision is made according to the present invention that the support member comprises at least one further stripping surface that is at an angle to the two stripping surfaces of the stripping surface pair. | 05-01-2014 |
20140107883 | Self-Propelled Civil Engineering Machine System With Field Rover - A civil engineering machine has a machine control unit configured to determine data which defines the position and/or orientation of a reference point on the civil engineering machine in relation to a reference system independent of the position and orientation of the civil engineering machine. A geometrical shape to be produced on the ground is preset in either a machine control unit or a field rover control unit. The field rover is used to determine a position of at least one identifiable point of the preset geometrical shape in the independent reference system. Curve data defining a desired curve in the independent reference system, corresponding to the preset shape, is determined at least partially on the basis of the position of the at least one identifiable point of the preset geometrical shape in the independent reference system. | 04-17-2014 |
20140097665 | DETERMINING MILLED VOLUME OR MILLED AREA OF A MILLED SURFACE - A system is provided for determining a volume of material milled, or a surface area milled, by a construction machine having a milling drum. The volume of material milled is determined as a function of a cross-sectional area of material to be milled in front of the milling drum and a distance traveled by the construction machine while actively milling. The cross-sectional area is determined in part by direct machine observation of one or more profile characteristics of a ground surface in front of the milling drum. The surface area milled is determined as a function of the width of the area to be milled in front of the milling drum and a distance traveled by the construction machine while actively milling. | 04-10-2014 |
20140081532 | Self-Propelled Civil Engineering Machine And Method Of Controlling A Self-Propelled Civil Engineering Machine - The invention relates to a self-propelled civil engineering machine, and in particular to a slipform paver, road paver or road milling machine, and to a method of controlling a self-propelled civil engineering machine. The civil engineering machine according to the invention has a control unit which is configured to determine data which defines the position and/or orientation of a reference point on the civil engineering machine in relation to a reference system (X, Y, Z) independent of the position and orientation of the civil engineering machine. The reference system (X, Y, Z) independent of the machine-related reference system (x, y, z) may be selected as desired, and there is thus no need for the positions of various reference points to be plotted on the ground. | 03-20-2014 |
20140077579 | Automotive Construction Machine - In an automotive construction machine, with a machine frame ( | 03-20-2014 |
20130309009 | Ground Working Machine, As Well As Method For Milling Soils Or Traffic Areas - In a ground working machine ( | 11-21-2013 |
20130307318 | Chisel Holder And Lower Tool Part For A Chisel Holder - The invention relates to a bit holder having an insertion projection and having a bore-shaped bit receptacle that has a longitudinal center axis, a convexly curved support surface being provided on a base part. A bit holder of this kind can be implemented in compact and stable fashion in particular by the fact that the longitudinal center axis of the bit receptacle intersects the support surface. | 11-21-2013 |
20130277076 | Runner Segment For An Edge Guard Of A Road Milling Machine, And Edge Guard For A Road Milling Machine - The invention relates to an edge guard for a road milling machine and to a runner segment for such an edge guard. According to the present invention, the runner segment comprises an insertion projection that can be inserted into an insertion receptacle of the edge guard. | 10-24-2013 |
20130270891 | Chisel Holder - The subject matter of the invention is a bit holder for an earth working machine, in particular a road milling machine, having a support member onto which an insertion projection is indirectly or directly attached on an insertion projection side, the insertion projection comprising at least one convex abutment surface and one pressure surface. In a bit holder of this kind, working forces can be dissipated in stress-optimized fashion into an attached base part when provision is made that the insertion projection comprises two convex abutment surfaces that are arranged at a distance from one another. | 10-17-2013 |
20130257136 | Automotive Milling Machine, Use Of A Lifting Column Of A Milling Machine, As Well As Method For Increasing The Operating Efficiency Of A Milling Machine - An automotive milling machine, for the treatment of road surfaces or ground surfaces includes a chassis comprising front and rear suspension axles with a total of no less than three suspension units with a machine frame supported by the chassis, with lifting columns between the suspension units and the machine frame at no less than two suspension units of a suspension axle, said suspension units being transversely offset from one another in the direction of travel, and with a working drum. The working drum is adjustable to a position for driving in travel mode with the working drum raised and, in the adjusted position of the working drum at a distance from the road surface or ground surface, the lifting columns are suitable for coupling to a spring device. | 10-03-2013 |
20130248329 | Folding Transport Conveyor For A Construction Machine, Automotive Construction Machine, As Well As Method For Pivoting A Transport Conveyor - In a folding transport conveyor ( | 09-26-2013 |
20130241266 | Chisel Holder - The invention relates to a bit holder for an earth working machine, in particular a road milling machine, having a support member onto which an insertion projection is indirectly or directly attached on an insertion projection side, the support member comprising two first and/or two second stripping surfaces that are at an angle to one another, and the support member having a working side that comprises a bit receptacle. In order to achieve a stable and long-lived configuration for such a bit holder, provision is made according to the present invention that the first and/or second stripping surfaces diverge from the insertion projection side toward the working side. | 09-19-2013 |
20130241264 | CHISEL HOLDER, AND CHISEL HOLDER SYSTEM COMPRISING A CHISEL HOLDER AND A BASE PART - A chisel holder comprises a body zone ( | 09-19-2013 |
20130234493 | Self-Propelled Road Milling Machine For Milling Road Surfaces, In Particular Large-Scale Milling Machine, And Method For Milling Road Surfaces - In a self-propelled road milling machine for milling road surfaces comprising a milling roller housing arranged at the machine frame between the front and rear chassis axles, it is provided that the rear end, as seen in the direction of travel, of the milling roller housing is flush with a height adjustable stripper shield which laterally rests in the milling track of the milling roller and resiliently against a milling edge of the milling track extending orthogonally to the road surface. | 09-12-2013 |
20130197820 | Method For Determining The Wear State - This invention relates to a method for determining a wear state of a chisel, a chisel holder, and/or a chisel holder replacement system equipped with a chisel and chisel holder. For this method to give the user qualitative and quantitative information about the wear, according to one embodiment of this invention, a position of at least one point of the chisel and/or the chisel holder is determined by a contactless measurement method and a corresponding measurement result is compared in a switching unit to a reference value stored in a memory device. | 08-01-2013 |
20130190991 | Self-Propelled Civil Engineering Machine And Method Of Controlling A Self-Propelled Civil Engineering Machine - The invention relates to a self-propelled civil engineering machine, and in particular to a slipform paver, road paver or road milling machine, and to a method of controlling a self-propelled civil engineering machine. The civil engineering machine according to the invention has a control unit which is configured to determine data which defines the position and/or orientation of a reference point on the civil engineering machine in relation to a reference system (X, Y, Z) independent of the position and orientation of the civil engineering machine. The reference system (X, Y, Z) independent of the machine-related reference system (x, y, z) may be selected as desired, and there is thus no need for the positions of various reference points to be plotted on the ground. | 07-25-2013 |
20130189031 | Self-Propelled Civil Engineering Machine And Method Of Controlling A Civil Engineering Machine - A civil engineering machine and a method of controlling the machine are based on the position of at least one reference point which is relevant to the control of the civil engineering machine being changed, as the civil engineering machine moves, as a function of a relative position of the at least one reference point relative to a desired path of travel. | 07-25-2013 |
20130187437 | Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine - In a mining machine for the processing of a ground surface, including a machine frame, a cutting drum mounted in the machine frame, a first conveyor which accepts mining material from the cutting drum, and a second conveyor which accepts the mining material from the first conveyor, a grease tensioner is connected to an upper roller of the second conveyor. A grease feeding connection is accessible by a person standing on the ground and is communicated with the grease tensioner. | 07-25-2013 |
20130154340 | Scraper Device, As Well As Construction Machine - A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum. | 06-20-2013 |
20130103273 | Self-Propelling Construction Machine - The invention relates to a self-propelling construction machine which has a chassis | 04-25-2013 |
20130099551 | Road Construction Machine, Leveling Device, As Well As Method For Controlling The Milling Depth Or Milling Slope In A Road Construction Machine - A control and switchover system is provided for controlling milling depth and/or slope of a milling drum of a road construction machine during a milling operation to create a milled surface. The system controls the milling depth and/or slope at least in part on a measurement made with a first sensor. Without interrupting the milling operation the system switches over the control of the milling depth and/or slope to control based at least in part on a measurement made with a second sensor. | 04-25-2013 |
20130002002 | Adaptive Advance Drive Control For Milling Machine - A control system for a construction machine senses the reaction forces applied by the ground surface to a milling drum, and in response to the sensed changes in those reaction forces controls the rate of feeding the milling drum into the ground surface. | 01-03-2013 |
20130000090 | Tool For Removing A Chisel - A tool for removing a chisel, in particular from a chisel holder, having a base element which receives an actuating member, wherein the actuating member has an expeller mandrel. The actuating member is adjustable along a displacement direction. In order to be able to perform the removal simply and rapidly, the actuating member of this invention is indirectly or directly coupled to a piston of a fluid-charged cylinder, or to an electric motor unit. | 01-03-2013 |
20120286558 | Road Milling Machine And Method For Measuring The Milling Depth - A method is provided for measuring the milling depth of a road milling machine, the machine being operative to mill a ground surface with a milling roller lowered to a milling depth to create a milling track, the machine including at least one side plate located to at least one side of the milling roller to engage an untreated ground surface, and the machine including a stripping plate operative to be lowered onto the milling track generated by the milling roller. The method includes measuring the milling depth of the milling track, the measuring including detecting a measurement value of a ground engaging sensor engaging the milling track. | 11-15-2012 |
20120284989 | Positioning Arrangement For Fitting An Interchangeable Milling Assembly Of A Road-Building Machine - The invention relates to a positioning arrangement for fitting an interchangeable milling assembly of a preset working width below the vertically adjustable chassis of a road milling machine, which chassis is carried on track-laying units. A vehicle carried on a plurality of wheels has a unit for receiving the milling assembly. The positioning arrangement has a handling chassis which can be lengthened in the longitudinal direction and to which the wheels are fixed. In a lowered position, the positioning arrangement, with the milling assembly resting on it, can be driven below the chassis of the road milling machine. In a raised position, the milling assembly can be fitted to the road milling machine. | 11-15-2012 |
20120256470 | Drum Housing For A Working Drum Of A Construction Machine Or Mining Machine, Construction Machine Or Mining Machine, As Well As Method For Monitoring The Condition Of A Working Drum Of A Construction Machine Or Mining Machine - In a drum housing for a working drum of a construction machine or mining machine, said working drum being provided with tools and rotating about a drum axis, with a housing shell which at least partially encloses the circumference of the working drum, and with at least one inspection opening for a monitoring device arranged in the housing shell, wherein said monitoring device inspects the condition of the working drum or the tools thereof, it is provided for the following features to be achieved: a closing mechanism is arranged on the outside of the housing shell, said closing mechanism enabling closure of the at least one inspection opening. | 10-11-2012 |
20120200141 | Auxiliary Drive - A construction machine for the treatment of ground surfaces includes a machine frame, a drive motor, a work drum supported from the machine frame and including exchangeable tools fastened to the work drum, a belt drive and an auxiliary drive. The belt drive includes a motor-side pulley connected to the drive motor, a drum-side pulley connected to the work drum, and at least one drive belt connecting the motor-side pulley to the drum-side pulley. The auxiliary drive may be permanently coupled to the belt drive, or the auxiliary drive may include an adjustment mechanism for moving the auxiliary drive between a coupled and an uncoupled position. | 08-09-2012 |
20120200138 | ADAPTIVE ADVANCE DRIVE CONTROL FOR MILLING MACHINE - An adaptive advance control system for a construction machine senses the reaction forces applied by the ground surface to a milling drum, and in response to the sensed changes in those reaction forces controls the rate of lowering the milling drum into the ground surface. Early and rapid detection of such changes in reaction forces allow the control system to aid in preventing lurch forward events of the construction machine. | 08-09-2012 |
20120198678 | Tool For Removing A Chisel - A tool for removing a chisel, in particular from a chisel holder, having a base element which receives an actuating member, wherein the actuating member has an expeller mandrel. The actuating member is adjustable along a displacement direction. In order to be able to perform the removal simply and rapidly, the actuating member of this invention is indirectly or directly coupled to a piston of a fluid-charged cylinder, or to an electric motor unit. | 08-09-2012 |
20120179339 | Automotive Construction Machine, As Well As Lifting Column For A Construction Machine - Disclosed is an automotive road construction machine, particularly a recycler or a cold stripping machine, comprising an engine frame that is supported by a chassis, a working roller which is stationarily or pivotally mounted on the engine frame and is used for machining a ground surface or road surface. The chassis is provided with wheels or tracked running gears which are connected to the engine frame via lifting column and are vertically adjustable relative to the engine frame. Each individually vertically adjustable lifting column is equipped with a device for measuring the actual vertical state of the lifting column. | 07-12-2012 |
20120174366 | Tool - A tool for mounting a chisel on a chisel holder, having an actuating member, which has a push-off section, wherein the actuating member can be displaced along a displacement direction. It is possible to simplify changing the chisel if the actuating member can be shifted by an actuating unit. The actuating unit has a draw-in section, which is spaced apart from the push-off section and is arranged transversely with respect to the displacement direction of the actuating member. The actuating member can be power-operated bidirectionally in the displacement direction by the actuating unit. | 07-12-2012 |
20120170978 | Scraper Device, As Well As Construction Machine - A scraper device for a milling drum mounted in a construction machine at a machine frame between lateral walls with a milling drum axis, with a two-part scraper blade arranged in a height-adjustable fashion behind the milling drum when seen in the direction of travel, the lower part of which can glide over the ground surface milled off by the milling drum, where the lower part of the scraper blade is adjustable in height when in operating position, it is provided that the upper part of the scraper blade is attached, at the upper end, to swivel about a swivelling axis parallel to the axis of the milling drum. | 07-05-2012 |
20120146389 | Self-Propelled Machine For Cutting Or Milling, In Particular A Machine For Working Deposits By Surface Mining - A self-propelled machine for cutting or milling, has a chassis ( | 06-14-2012 |
20120146388 | Construction Machine, In Particular Road Milling Machine, Miner, Recycler or Stabilizer - The construction machine according to the invention is distinguished by the fact that an air-processing apparatus ( | 06-14-2012 |
20120128419 | Ground Working Machine, As Well As Method For Milling Soils Or Traffic Areas - In a ground working machine ( | 05-24-2012 |
20120128417 | Slipform Paver - The invention relates to a slipform paver having a chassis | 05-24-2012 |
20120090909 | Self-Propelled Civil Engineering Machine - A civil engineering machine includes an arrangement for assisting the driver of the machine when reversing which has a calculating unit to determine data which defines at least one trajectory of the civil engineering machine as a function of the position of the front and rear running gear, both as a function of a steering angle and as a function of a mode of steering. The arrangement for assisting the driver of the machine when reversing also has an image detecting unit for detecting an image of the rear part of the civil engineering machine and a display unit for displaying the detected image of the rear part of the civil engineering machine. An image processing unit superimposes a representation of the at least one trajectory on the image of the rear part of the civil engineering machine which is displayed on the display unit. | 04-19-2012 |
20120086259 | Mixer Bar For A Stabilizer/Recycler - The invention relates to a mixer bar for a stabilizer/recycler, having an attachment side that comprises an attachment surface for mounting on a drum surface, and having a tool holder receptacle. A mixer bar of this kind can be configured in wear- and strength-optimized fashion, with little production outlay, if provision is made that the mixer bar is embodied as a forged part and has a cross-sectional profile that varies at least locally transversely to the tool feed direction. | 04-12-2012 |
20120080929 | Automotive machine for producing carriageways - An automotive machine ( | 04-05-2012 |
20110299926 | Road Construction Machine, As Well As Method For Controlling The Distance Of A Road Construction Machine Moved On A Ground Surface - In a road construction machine ( | 12-08-2011 |
20110290614 | Construction Machine, As Well As Clutch For Switching The Power Flow - Construction machine, with working drum mounted at a machine frame, combustion engine for driving the working drum, drive train between the combustion engine and the working drum, and clutch in the drive train, where the clutch is arranged between a drive shaft and output shaft of the drive train, clutch elements on drive side capable of being engaged with clutch elements on output side, where clutch elements on the drive side or on output side are provided with several clutch part elements that are permanently engaged with one another via at least one mechanical coupling, it is provided that a braking device acting between the drive shaft and the output shaft is arranged at the clutch, said braking device being additionally engaged during engagement of the clutch in order to eliminate or reduce any rotary vibrations caused by play of mechanical coupling between clutch part elements. | 12-01-2011 |
20110272997 | Method For Optimizing A Cutting Process In Road Milling Machines, As Well As Milling Machine For Machining Road Coverings - In a method for optimizing a cutting process in milling machines which are used to machine road coverings, which comprise a milling device fitted with milling tools which is sprayed with liquid in order to cool the milling tools, in addition to a drive motor, the following steps are provided: detection of the at least one parameter which is representative of the instantaneous power output of the milling device and controlling the amount of cooling liquid supplied according to the at least one parameter which is representative of the instantaneous power output of the milling device. | 11-10-2011 |
20110227393 | Self-Propelled Civil Engineering Machine And In Particular A Road-Milling Machine, Road Recycler Or Road Stabilizer - The invention relates to a self-propelled civil engineering machine, in particular a road-milling machine, a road recycler, or a road stabilizer, having a frame carried by a set of running gear, a working unit for performing work required for the civil engineering operation, and in particular a working drum, and a drive unit carried by the frame of the machine, to drive the working drum. A power transmitter is used to transmit the driving power from the drive unit to the working unit. The drive unit of the self-propelled civil engineering machine has a first and a second drive engine, the power transmitter being so designed that the driving powers coming from the first and the second drive engines can be transmitted to the working unit together. With the design of drive according to the invention, a particularly space-saving construction is obtained for the drive and this allows the power of the drive unit to be increased without having to exceed the present width for transport of the self-propelled civil engineering machine. | 09-22-2011 |
20110215634 | Auxiliary Drive - A construction machine for the treatment of ground surfaces includes a machine frame, a drive motor, a work drum supported from the machine frame and including exchangeable tools fastened to the work drum, a belt drive and an auxiliary drive. The belt drive includes a motor-side pulley connected to the drive motor, a drum-side pulley connected to the work drum, and at least one drive belt connecting the motor-side pulley to the drum-side pulley. The auxiliary drive may be permanently coupled to the belt drive, or the auxiliary drive may include an adjustment mechanism for moving the auxiliary drive between a coupled and an uncoupled position. | 09-08-2011 |
20110206456 | Road Construction Machine, Leveling Device, As Well As Method For Controlling The Milling Depth Or Milling Slope In A Road Construction Machine - In a road construction machine ( | 08-25-2011 |
20110193397 | Adaptive Advance Drive Control For Milling Machine - An adaptive advance control system for a construction machine senses the reaction forces applied by the ground surface to a milling drum, and in response to the sensed changes in those reaction forces controls the motive power applied to an advance drive of the machine. Early and rapid detection of such changes in reaction forces allow the control system to aid in preventing lurch forward events of the construction machine. | 08-11-2011 |
20110163511 | Operational Methods For A Road-Building Machine - A method of operating a road-building machine involves a machine having a chassis with four ground engaging supports and four working cylinders connecting the ground engaging supports to the chassis. A height of the left front and right rear ground engaging supports is adjusted in a first direction. The height of the right front and left rear ground engaging supports is adjusted in a second direction opposite the first direction. | 07-07-2011 |
20110150572 | Self-Propelled Civil Engineering Machine And Method Of Controlling A Self-Propelled Civil Engineering Machine - The invention relates to a self-propelled civil engineering machine, and in particular to a slipform paver, road paver or road milling machine, and to a method of controlling a self-propelled civil engineering machine. The civil engineering machine according to the invention has a control unit | 06-23-2011 |
20110148179 | Bit Holder And Base Part For Receiving A Bit Holder - The invention relates to a bit holder having an insertion projection and having a holding projection having a bit receptacle, the insertion projection comprising a bearing segment and the holding projection comprising a supporting segment. In order to allow the bit holder to be braced in permanent and stable fashion with respect to a base part, provision is made according to the present invention that the supporting segment and/or the bearing segment comprise two supporting surfaces and bearing surfaces, respectively, arranged at an angle to one another; and that the longitudinal center axis of the bit receptacle and the longitudinal axis of the insertion projection enclose an obtuse angle. | 06-23-2011 |
20110148178 | Bit Holder And Base Part - The invention relates to a bit holder having an insertion projection and having a holding projection, the holding projection comprising a bit receptacle, and the holding projection protruding at least locally from or beyond the insertion projection in the tool feed direction. A bit holder of this kind is designed in service-life-optimized fashion by the fact that the holding projection comprises a supporting segment having a rigid, shaped-on supporting surface that is arranged at least locally in front of the insertion projection in the feed direction. The invention further relates to a base part for receiving an aforementioned bit holder. | 06-23-2011 |
20110148177 | Automotive Road Milling Machine - In an automotive road milling machine ( | 06-23-2011 |
20110140505 | Automotive Machine For Producing Carriageways - In an automotive machine ( | 06-16-2011 |
20110123268 | Self-Propelled Road-Milling Machine - The invention relates to a self-propelled road-milling machine for doing work on surfacings on the ground, and in particular carriageways. The road-milling machine according to the invention is characterised by a signalling arrangement which has at least one control unit for the entry of at least two different states of operation by the driver of the road-milling machine and at least one visual indicator or display unit to indicate or display for the driver of the transporting vehicle the at least two states of operation which are preset with the control unit by the driver of the road-milling machine. The first state of operation may be a request for the transporting vehicle to be braked or stopped and the second state of operation may be a request for the transporting vehicle to be started or to continue travelling. In a preferred embodiment of the visual indicator or display unit, the request for braking or stopping is shown as a cross and the request for starting or continued travel as an arrow. | 05-26-2011 |
20110115278 | Milling Drum For A Construction Machine, Construction Machine As Well As Gearbox Unit For A Milling Drum - In a milling drum ( | 05-19-2011 |
20110095594 | Construction Machine, In Particular Road Milling Machine, Recycler Or Stabilizer, As Well As Drive Train For Construction Machines Of This Type - A construction machine, in particular road milling machine, recycler or stabilizer, with a machine frame ( | 04-28-2011 |
20110064519 | Slipform Paver - A self propelled slipform paver apparatus includes a chassis, a plurality of ground engaging supports, and a plurality of lifting columns extending between the chassis and the ground engaging supports. A chassis mounting unit is connected to the chassis. A mould for flowable material is also included. A mould mounting unit is connected to the mould. One of the chassis mounting unit and the mould mounting unit includes at least one front claw-like fastening member and at least one rear claw-like fastening member. The claw-like fastening members are open in the same direction either in the direction of operation or opposite to the direction of operation. The other of the chassis mounting unit and the mould mounting unit includes at least one front mating member and at least one rear mating member. The mating members are shaped and arranged to be received in the claw-like fastening members. | 03-17-2011 |
20110020063 | Cutting Unit For Producing A Road Marking, And Road Marking - The invention relates to a road marking having multiple depressions introduced into the road surface, the depressions comprising two lateral longitudinal walls, extending in the longitudinal direction of the road, that transition, proceeding from the road surface, continuously into a bottom region; and the depression being delimited by two transverse walls extending transversely to the longitudinal direction of the road. The road markings have improved utilization properties if provision is made that the longitudinal walls comprise a region convexly curved transversely to the longitudinal direction of the road. The invention further relates to a cutting unit for producing such road markings. | 01-27-2011 |
20100244544 | Ejector Unit For A Road Milling Machine Or The Like - The invention relates to an ejector unit, in particular for a road milling machine, having an ejector that is replaceably mounted on a carrier. In one aspect the ejector is curved in a scoop-like fashion. In another aspect the ejector is reversible upon the carrier to allow the ejector to be reversed after one wear surface is worn, thus presenting a new second wear surface. | 09-30-2010 |
20100237691 | Road Construction Machine, Crawler Track Unit Of A Road Construction Machine, As Well As Method For Tensioning A Chain Of A Crawler Track Unit - In a road construction machine, in particular a road milling machine ( | 09-23-2010 |
20100237681 | Mining Machine, In Particular Surface Miner, As Well As Method For The Removal And Installation Of A Transport Device In A Mining Machine - In a mining machine ( | 09-23-2010 |
20100209189 | Stabilizer Or Recycler - The invention relates to a stabilizer or recycler which has a rotor housing | 08-19-2010 |
20100202832 | Civil Engineering Machine For Spreading Material For Spreading On Soils Or Base Materials - The invention relates to a civil engineering machine for spreading material for spreading on soils or base materials, and in particular to a civil engineering machine for spreading binders for soil or base material stabilization, which has a container ( | 08-12-2010 |
20100158610 | Jolting Device - In a jolting device ( | 06-24-2010 |
20100141015 | Auxiliary Drive - A construction machine for the treatment of ground surfaces includes a machine frame, a drive motor, a work drum supported from the machine frame and including exchangeable tools fastened to the work drum, a belt drive and an auxiliary drive. The belt drive includes a motor-side pulley connected to the drive motor, a drum-side pulley connected to the work drum, and at least one drive belt connecting the motor-side pulley to the drum-side pulley. The auxiliary drive may be permanently coupled to the belt drive, or the auxiliary drive may include an adjustment mechanism for moving the auxiliary drive between a coupled and an uncoupled position. | 06-10-2010 |
20100141014 | Movable Seats - A construction machine for the treatment of ground surfaces includes a chassis carrying a machine frame, a driveable work drum supported from the machine frame and including an outer surface and exchangeable tools fastened to the outer surface, a working space defined within the machine adjacent the work drum, and at least one seat for an operating person, the at least one seat being movable into a working position in the work space adjacent the work drum so that the operating person can exchange the tools on the work drum. | 06-10-2010 |
20100090517 | Road Milling Machine - The invention relates to a road-milling machine which has a ladder | 04-15-2010 |
20100046203 | Back-Lit Operating Unit For Construction Machinery - A back-lit operating unit for construction machinery includes a front panel having a plurality of cut-outs. Operating components are received in thecut-outs. A lighting device is arranged behind the front panel. The front panel has a sandwich construction including a carrier panel, a transparent mounting panel located on a front of the carrier panel, and a transparent film located on a front of the mounting panel. | 02-25-2010 |
20090317187 | Construction Machine, In Particular Road Milling Machine, Miner, Recycler Or Stabilizer - The construction machine according to the invention is distinguished by the fact that an air-processing apparatus ( | 12-24-2009 |
20090278402 | Replaceable Wear Pad - A replaceable wear pad apparatus for a crawler track of a construction machine includes an elongated reinforcing element having first and second sides. The reinforcing element includes first and second holes disposed therethrough and includes first and second polygonal cross section sockets defined therein on the first side of the reinforcing element co-axial with the first and second holes, respectively, each socket including a socket floor and multiple sides. First and second polygonal cross section nuts are received in the first and second sockets, each nut having a threaded bore co-axial with one of the holes. A wear pad is molded from a wear pad material, the reinforcing element and the nuts being embedded in the molded wear pad material so that the wear pad material holds the nuts in place within the sockets. | 11-12-2009 |
20090267402 | Folding Transport Conveyor For A Construction Machine, Automotive Construction Machine, As Well As Method For Pivoting A Transport Conveyor - In a folding transport conveyor ( | 10-29-2009 |
20090051210 | Construction Machine, in Particular Road Milling Machine, Recycler or Stabilizer, and Drive Train for Construction Machines of This Type - A construction machine, in particular road milling machine, recycler or stabilizer, with a machine frame ( | 02-26-2009 |
20080315666 | Self-Propelled Machine For Cutting or Milling, In Particular A Machine For Working Deposits By Surface Mining - The invention relates to a self-propelled machine for cutting or milling, and in particular to a machine for working deposits, such for example as deposits of coal, ore, minerals, etc., by surface mining, which has a chassis ( | 12-25-2008 |
20080260461 | Self-Propelled Civil Engineering Machine and in Particular a Road-Milling Machine, Road Recycler or Road Stabilizer - The invention relates to a self-propelled civil engineering machine, in particular a road-milling machine, a road recycler, or a road stabilizer, having a frame carried by a set of running gear, a working unit for performing work required for the civil engineering operation, and in particular a working drum, and a drive unit carried by the frame of the machine, to drive the working drum. A power transmitter is used to transmit the driving power from the drive unit to the working unit. The drive unit of the self-propelled civil engineering machine has a first and a second drive engine, the power transmitter being so designed that the driving powers coming from the first and the second drive engines can be transmitted to the working unit together. With the design of drive according to the invention, a particularly space-saving construction is obtained for the drive and this allows the power of the drive unit to be increased without having to exceed the preset width for transport of the self-propelled civil engineering machine. | 10-23-2008 |
20080203684 | Road-Building Machine - The invention relates to a road-building machine whose left front wheel ( | 08-28-2008 |