CATERPILLAR GLOBAL MINING EUROPE GMBH Patent applications |
Patent application number | Title | Published |
20160130941 | MODULAR CUTTING HEAD - A cutting head for hard rock mining applications is disclosed. The cutting head may have a base member. The base member may have a rotational axis and may include a center bore extending along the rotational axis. The cutting head may also have a drive bushing disposed within the center bore. The drive bushing may be configured to transmit torque from a driving device to the base member. The cutting may further have a plurality of annular tool supports. Each of the plurality of annular tool supports may be concentrically disposed about the rotational axis in a releasable manner. In addition, the cutting head may have a plurality of cutting bit carriers attached to each of the plurality of annular tool supports. Each of the plurality of cutting bit carriers may be configured to rotatably support a cutting bit. | 05-12-2016 |
20160123145 | CONTROL METHOD FOR LONGWALL SHEARER - A method of controlling a shearer is disclosed. The shearer may be configured to travel along a longwall face to extract material with a first cutting drum and a second cutting drum. The method may include setting a first cutting profile including a plurality of desired positions (Di) to be approached by the first cutting drum in a first travel direction (E). Further, the method may include determining a plurality of actual advancing vectors (vi) indicating a change of a position of the shearer resulting from advancing the shearer towards the longwall face. The method may also include determining a plurality of shearer orientations (Oi) along the longwall face. In addition, the method may include generating a second cutting profile to be approached by at least one of the first cutting drum and the second cutting drum in a second travel direction (F) of the shearer. | 05-05-2016 |
20160084082 | MILLING DEVICE - A milling device is disclosed. The milling device may have a shaft. The shaft may have a shaft axis (A). The milling device may also have a spindle drum rotatably mounted relative to the shaft axis (A) and rotatable about a spindle drum axis (B) coaxial to the shaft axis (A). Further, the milling device may have a plurality of tool spindles rotatably mounted in the spindle drum and rotatable about tool spindle axes (D). Each tool spindle axis (D) may be parallely arranged and spaced apart from the shaft axis (A) and may have a same distance to the shaft axis (A). The milling machine may also have a plurality of machining tools carried by the tool spindles. At least two of the plurality of machining tools may be positioned displaced from one another in a direction of the shaft axis (A). | 03-24-2016 |
20160083191 | DRIVE CONNECTION WITH INTEGRATED CHAIN TENSIONING APPARATUS FOR FACE CONVEYORS - A drive connection is disclosed. The drive connection may be configured to be interconnected between a main driving unit and a main gear unit of a driving device configured to drive a chain of a conveyor of a longwall device. The drive connection may have a housing configured to be connected to the main driving unit and to the main gear unit. The drive connection may also have a drive shaft disposed within the housing and configured to transmit torque from the main driving unit to the main gear unit. In addition, the drive connection may have a chain tensioning apparatus disposed within the housing. The chain tensioning apparatus may have a worm drive interacting with the drive shaft. The chain tensioning apparatus may be configured to drive the drive shaft for tensioning the chain of the conveyor when the main driving unit is in a non-operative state. | 03-24-2016 |
20160024922 | ENSURING WORKING CONDITIONS ALONG A LONGWALL FACE - A longwall installation unit is disclosed. The longwall installation unit may form a longwall installation assembly together with other longwall installation units of the same kind. The longwall installation assembly may extend along the longwall face in a longwall mine. The longwall mine may have a compressor device. The longwall installation unit may have a dilution gas nozzle configured to be fluidly connected to the compressor device. | 01-28-2016 |
20160017710 | LUMP CRUSHER FOR A SCRAPER CHAIN CONVEYOR - A coarse crusher for use at both face ends of a face conveyor in an underground mine is disclosed. The coarse crusher may have a pan module with a strand segment for guiding an endless conveying means. The strand segment may be delimited by a first pan outer longitudinal side and a second pan outer longitudinal side which lies opposite the first pan outer longitudinal side. The first pan outer longitudinal side and the second pan outer longitudinal side may have a plurality of first pan fastening apparatuses. The coarse crusher may further have a base-frame module fastened releasably via the corresponding first pan fastening apparatuses to one of the first pan outer longitudinal side and the second pan outer longitudinal side. The coarse crusher may also have a support-arm module fastened releasably to the base-frame module. | 01-21-2016 |
20150284188 | CHAIN WHEEL FOR APRON CONVEYOR - A chain wheel for driving or diverting a conveyor of an apron conveyor including transport plates is disclosed. The transport plates may be releasably connectable via a chain connecting parts to the conveyor chain. The chain wheel may have a chain wheel body including a lateral face. The chain wheel may also have teeth arranged peripherally offset over the lateral face. In addition, the chain wheel may have bearing faces. The bearing faces may be arranged peripherally offset over the lateral face between two adjacently situated teeth. The bearing faces may also be configured to support the chain connecting parts. | 10-08-2015 |
20150275664 | EXTRACTION INSTALLATION FOR MINERAL EXTRACTION - An extraction machine for an extraction installation is disclosed. The extraction installation may have a chain having a first chain strand section with a first end and a second chain strand section with a second end. The first and second chain ends may be connectable to the extraction machine for moving the extraction machine. The extraction machine may have a first chain mount configured to be connected to the first chain strand section. The extraction machine may also have a second chain mount configured to be connected to the second chain strand section. In addition, the extraction machine may have a first pre-tensioning device for building up a pre-tensioning force acting on the first chain mount such that a pulling force acts on the first chain strand section in the direction of the second chain mount. | 10-01-2015 |
20150260040 | GUIDE PIECE FOR AN EXTRACTION OR COAL PLOUGH - A replaceable guide piece ( | 09-17-2015 |
20150204190 | MOBILE MINING - The present disclosure relates to a mobile mining machine which may comprise a movable machine base frame, a rotatable tool drum and including excavating tools. The mobile mining machine may further comprise a cantilever unit including a front support arm part and a base part, and a pivotal device to pivot the cantilever unit. The mobile mining machine may further comprise a tilt device to tilt the cantilever unit and a rotary mechanism to rotate the support arm part and the tool drum. Thus, a mobile mining machine with which tunnels, galleries or shafts may be continuously driven in even in hard rock with a high mining output and low tool wear may be provided. | 07-23-2015 |
20150094187 | TRANSMISSION, IN PARTICULAR FOR DRIVE SYSTEMS OF CONSTRUCTION MACHINES AND MINING MACHINES - The present disclosure generally refers to a transmission comprising a transmission housing and at least one transmission stage arranged in the transmission housing. The transmission stage may include, coaxially with respect to an axis, a sun gear, a planet carrier with at least two planet gears rotatably mounted on the planet carrier; and an internal gear as transmission parts. At least one stop means may be provided for limiting the axial movement of two transmission parts which are movable relative to one another. The stop means may comprise a ball pair with a first ball assigned to a first transmission part and a second ball assigned to a second transmission part. The two balls may be arranged so as to be rotatable about their ball centre on the axis. | 04-02-2015 |
20150059885 | VALVE ASSEMBLY - A valve is provided for a hydraulic tank. The valve includes a main body and an end cap. The main body includes a first section, a second section and a window. The first section has a solid configuration. The first section has a shoulder configured to contact with a spring. The second section extends from the first section. The second section has a hollow configuration. The window defined on a surface of the second section is positioned towards an end of the second section proximate to the first section. The window is configured to selectively receive a fluid flow from the hydraulic tank into the main body based on a position of the valve with respect to the hydraulic tank. The end cap has a hollow configuration. The end cap is coupled to another end of the second section of the main body. | 03-05-2015 |
20140339820 | PLUG-IN CONNECTION WITH RETAINING ELEMENT AND RETAINING ELEMENT FOR THIS PURPOSE - A plug-in connection for hydraulic hose lines includes a first plug connector having a circumferential groove on a plug-in nipple, a plug-in sleeve having two transverse bores, and a fork-shaped coupling bracket. The coupling bracket has two bracket portions and one bracket curve, which may be being inserted into the transverse bores for locking the plug-in connection to the bracket portions and penetrate the groove transversely with respect to the plug-in axis. A retaining element for retaining the coupling bracket is also provided and includes an accommodating portion for the bracket curve, two holding arms which are spaced apart from each other and connected by a base at rear ends of the holding arms facing the accommodating portion, and which define at front ends a mounting mouth which can be slipped onto the plug-in nipple and/or the plug-in sleeve in a transverse manner with respect to the plug-in axis. | 11-20-2014 |
20140286713 | PROP HEAD BEARING DEVICE FOR SHIELD SUPPORTS - A prop head bearing device used for a shield support and to receive a prop head includes a prop head bearing main body with a prop head receiving portion, a flange adjacent to the prop head receiving portion and a flange bore, and a receiving portion adjacent to the flange and remote from the prop head receiving portion. The prop head bearing device may also include a securing element including a securing element bore adapted in shape to the receiving portion, such that in the mounted state the securing element is locked with respect to the bore direction of the flange bore and that the securing element bore is aligned to the flange bore. | 09-25-2014 |
20140253292 | METHOD AND SYSTEM FOR INCREASING THE OPERATIONAL SAFETY OF MOBILE MACHINES IN ABOVEGROUND OR UNDERGROUND MINING OPERATIONS FOR THE EXTRACTION OF MINERALS BY UTILIZING THE RFID TECHNOLOGY - A system and method for increasing the operational safety of mobile machines in mining operations by utilizing RFID technology includes a transmitting unit at the mobile machine, a receiving unit, and a non-machine-related RFID transponder which can be activated by the transmitting unit and in the case of activation is contactlessly detected. A reference transponder and a control unit for actuating the transmitting unit and evaluating transponder signals in measuring cycles is provided. To improve the energy requirement of the method and system, the reference transponder may be mounted on the mobile machine at a defined distance, stored in the control unit, from the transmitting unit. The signal field strength L of the transmitter signal of the transmitting unit may be changed in dependence on the response signal of the reference transponder in a calibration cycle (KCB) for eliminating the environmental influences. | 09-11-2014 |
20140232170 | APPARATUS FOR THE MILLING CUTTING OF ROCK, MINERALS OR OTHER MATERIALS - A mining apparatus includes two tool drums, which are arranged rotatably side by side in twin arrangement on a drum carrier and which are respectively provided with a plurality of tool carriers which support cutting tools arranged over the periphery of the tool drums and which can be rotatingly driven and the shaft axes of which run substantially transversely to the drum axle. The shaft axes of the tool carriers of the first tool drum span a first conical surface about the drum axis and the shaft axes of the tool carriers of the second tool drum span a second conical surface about the drum axis, where the conical surfaces are open to opposite sides and are preferably oriented such that they are mutually inclined in an O-arrangement. | 08-21-2014 |
20140091612 | MOBILE MINING MACHINE AND METHOD FOR DRIVING TUNNELS, ROADWAYS OR SHAFTS, IN PARTICULAR IN HARD ROCK - A mobile mining machine includes a movable machine base frame having a boom, a swinging device for swinging the boom, and a tilting device for tilting the boom. At least one tool drum is coupled to the boom for rotation about a drum axis and rotatable tool carriers are arranged on a circumference of the tool drum. The boom has a supporting arm, on which the tool drum is mounted, and a separate swinging base, which is swingable about a swing axis in relation to the machine base frame by the swinging device. The supporting arm and the swinging base are connected to one another by a system of guide bars, by way of which a setting angle of the drum axis in relation to the swing axis is adjustable. | 04-03-2014 |
20140084667 | APPARATUS FOR THE MILLING CUTTING OF ROCK, MINERALS OR OTHER MATERIALS - An apparatus for the milling cutting of rock, minerals or other hard materials has a tool drum which is rotatably mounted on a drum carrier about a drum axis and on the peripheral shell surface of which are disposed, in distributed arrangement, a plurality of tool carriers, which carry cutting tools and can be rotatingly driven, where their shaft axes run transversely to the drum axis. A first group of tool carriers and a second group of tool carriers are provided, where the rotational direction of the first group is counter to the rotational direction of the second group, and the shaft axes of the tool carriers of the first group and of the second group are oriented at different setting angles relative to the radial direction of the tool drum. | 03-27-2014 |
20140070599 | MINING INSTALLATION FOR EXTRACTING SEAM-TYPE OR MASS-DEPOSIT MINERAL MATERIALS, AND MINING MACHINE FOR THE SAME - A mining machine for extracting seam-type or mass-deposit mineral materials includes a conveyor for carrying away mined material, a machine frame that can be moved along the conveyor and that includes at least one drum, which is equipped with extracting tools, is rotatable about its drum axis and is adjustable in height relative to a machine frame by a swivel arm. The drum axis of the drum is parallel to the direction of travel of the mining machine, and the extracting tools are mounted in groups on tool carriers which are arranged on the circumference of the drum so as to be rotatable about rotation axes disposed transversely in relation to the drum axis. | 03-13-2014 |
20130319826 | FACE CONVEYOR FOR EXTRACTION PLANTS AND TROUGH ELEMENT FOR SAID FACE CONVEYOR - A face conveyor includes a continuous conveyor formed by a conveyor chain with entrainment plates that are connected to chain links and which, when conveying, circulates in an outward run and a return run, each of which are guided in trough portions by trough elements, which are arranged in a row. Guides provided on each trough element include a first guide on a working face side and a second guide at a spacing from a goaf side. The first guide on the working face side is secured on the trough element between the outward run and the return run. The outward run and the return run extend in a laterally offset manner with respect to each other, and the trough portion guiding the entrainment plates in the outward run is open on the working face side. | 12-05-2013 |
20130315588 | APPLIANCE AND ARRANGEMENT FOR OPTICAL SIGNAL TRANSMISSION BY MEANS OF OPTICAL WAVE-GUIDES - An appliance for optical signal transmission using optical waveguides in explosion-hazard areas, in particular in underground mining, includes an optical transmitter, having an optical output interface for connection of an optical waveguide transmission path and having a device for limiting the light power. An arrangement for bi-directional optical signal transmission is also provided. In order to provide an appliance for optical signal transmission as well as an arrangement for bi-directional optical signal transmission in explosion-hazard areas, complying with the requirements for intrinsically safe operation of the transmission medium when separating or decoupling the transmission medium, the device for limiting the light power is a passive optical component which is connected in the optical signal path between the optical transmitter and the optical output interface. | 11-28-2013 |
20130306438 | CONNECTING DEVICE FOR A THROUGH PAN OF EXTRACTION DEVICES, TROUGH PAN AND ATTACHMENT THEREFOR - A connecting device for connecting an attachment to a side member of a trough pan of an extracting device is provided. The connecting device includes first fittings on a side member and counter fittings on the attachment, which are detachably connectable to the first fittings. At least one retaining piece prevents detachment of fitting and counter fitting. The first fitting tapers upward in a trapeze-shaped manner and the counter fitting tapers upward in a trapeze-shaped manner, so that by a vertical movement, the first fitting and the counter fitting are able to be fitted into each other or to be detached from each other, and the first fitting and counter fitting are provided with locking strips and/or grooves which interlock in a locking state. | 11-21-2013 |
20130241473 | INTRINSICALLY-SAFE BATTERY POWER SUPPLY FOR UNDERGROUND MINING - An intrinsically safe battery power supply for electrical equipment in underground mining includes a battery housing having a first end with a first opening and a second end having a pressure-resistant second opening. The battery housing defines a first space. At least one storage battery cell is provided in the first space, and a lid is coupled to the battery housing near the first end providing access to the storage battery cell through the first opening. An envelope housing is coupled near the second end of the battery housing and has a charging socket and a consumption socket and defines a second space. A circuit board having intrinsically-safe circuits is provided in the second space, the circuit board electrically coupled to the storage battery cell through the pressure resistant second opening in the battery housing, and electrically coupled to the charging socket and the consumption socket on the envelope housing. | 09-19-2013 |
20130199898 | MULTIPART CHAIN FIXING DEVICE, TROUGH ELEMENT AND PARTS FOR THE SAME - The invention relates to a multipart chain fixing device for securing at least one conveyor chain on a trough element of especially an underground scraper chain conveyor. The fixing device comprises a bridge part ( | 08-08-2013 |
20130194079 | METHOD FOR LOCATING PERSONS AND/OR MOBILE MACHINES IN MINE CAVERNS USING RFID TECHNOLOGY, AND LONGWALL FACE EXTRACTION INSTALLATION FOR CARRYING OUT THE METHOD - A method and a longwall face extraction installation have a device for locating persons and/or mobile machines in mine caverns using RFID technology. Base stations are arranged in a distributed manner along the mine cavern to be monitored and have a transmitter and a receiver. At least one RFID transponder is associated with the person or machine to be located, which has stored identification data, can be activated using the base station and can be read in a contactless manner using the base station. In order to provide a method for locating persons and a longwall face extraction installation, in particular for coal mining, which make it possible to effectively use RFID technology, the transmitters of adjacently positioned base stations along a region of the mine cavern to be monitored successively emit their transmission wave in order to activate an RFID transponder. | 08-01-2013 |
20130109520 | SPROCKET FOR CHAIN DRIVES | 05-02-2013 |
20120327619 | PLUG-IN MODULE FOR CONTROLLERS OF MOBILE WORKING MACHINES - A plug-in module for controllers of mobile working machines, having a housing, a connection plug, electronics boards and at least one plug socket for connecting actuators or sensors. The housing being formed by a box with a front, rear and side walls as well as a base plate comprising a cutout for the connection plug, and in that the electronics boards are forming a board box by connecting two end boards and two side boards, with the board box being arranged in the interior of the housing, and with the plug socket being mechanically coupled to the housing by a strain-relief clip. | 12-27-2012 |
20120320997 | NETWORK INFRASTRUCTURE FOR MOBILE MACHINES WHICH CAN BE USED IN AREAS AT RISK OF EXPLOSION - A network infrastructure for mobile machines which are usable in explosive areas, having inherently safe participants and not inherently safe network participants the latter being arranged in pressure-resistant housings. The machine has at least one controller for actuating at least one not inherently safe participant. In order to provide a network infrastructure which avoids the drawbacks of the prior art, the machine has, outside the pressure-resistant housing for the first controller, at least one second, inherently safe controller for actuating at least one inherently safe participant, wherein the first controller forms a data distributor for a plurality of not inherently safe participants and the second controller forms a data distributor for a plurality of inherently safe participants, and wherein the first data distributor and the second data distributor are linked via an electrically decoupled data communication link. | 12-20-2012 |
20120319453 | METHOD FOR DETERMINING THE POSITION OR LOCATION OF PLANT COMPONENTS IN MINING EXTRACTING PLANTS AND EXTRACTING PLANT - A method and system for determining the position and/or location of plant components of a mining extracting plant, which includes at least one face conveyor, a shield-type support system having a plurality of shield-type support frames and an extracting machine, the position/location of at least one plant component is determined by an evaluation system including a detection unit. To determine the location/position of at least one plant component even in the case of a dynamic mineral mining process, the detection unit includes an image sensor, by way of which at least four object points, which are at a predetermined spacing to each other and are detectable within the optical wavelength range, of at least one measuring object associated with one of the plant components, are detected and the position/location of the plant component can be determined from the projection of the object points detected by the image sensor. | 12-20-2012 |
20120315793 | INTRINSICALLY SAFE CONNECTION UNIT WITH A NETWORK INTERFACE, INTRINSICALLY SAFE APPLIANCE AND NETWORK INTERFACE FOR IT - An intrinsically safe connection unit with a network interface for intrinsically safe appliances in explosion-risk areas, having a housing, a voltage supply connection, plug connection for connecting an intrinsically safe appliance via a transmission cable, and a decoupling circuit. For allowing even a multiplicity of network subscribers to be connected in the explosion-risk area with less wiring complexity, a plurality of plug connections of the same type are provided as network interface, each being preceded by a separate decoupling circuit, and the voltage supply connection builds a central feed connection with separate supply cores for each plug connection each having at least two plug contacts for data communication and at least two plug contacts for supplying power to the connectable appliances via the transmission cable. The invention relates also to a Controller and a network interface for use therewith. | 12-13-2012 |