| LIEBHERR-WERK EHINGEN GMBH Patent applications |
| Patent application number | Title | Published |
|---|
| 20120125875 | CRANE - The present invention relates to a crane having a load hook directly/indirectly fastened to the crane hoist rope and having a frame suspended at the load hook for taking up a special load, in particular for taking up a rotor blade of a wind turbine, wherein the control element(s) of a frame suspended at the load hook is/are guided along a guider rope region of the crane hoist rope. | 05-24-2012 |
| 20120101694 | CRANE, PARTICULARLY CRAWLER CRANE OR MOBILE CRANE - The invention relates to a [crane], particularly crawler crane or mobile crane, with at least one monitoring and simulation means, by means of which a state of the crane can be monitored and/or simulated, wherein the monitoring and simulation means comprise at least one input means and at least one output means, and wherein, by means of the monitoring and simulation means, the change in state, particularly the bearing load curve of the crane, and particularly also the movement of the crane and/or of the boom of the crane, can be represented at any time, and/or a possible state and/or a possible change in state of the crane, particularly the bearing load curve of the crane, can be simulated and/or represented. | 04-26-2012 |
| 20120095653 | CRANE, IN PARTICULAR CRAWLER CRANE OR MOBILE CRANE - The present invention relates to a crane, in particular to a crawler crane or mobile crane having at least one monitoring and simulation means by means of which a state of the crane can be monitored and/or simulated, wherein the monitoring and simulation means has at least one input means and at least one output means and wherein the actual state and/or state development of the crane and/or of the boom of the crane can be displayed by means of the monitoring and simulation means and/or a possible state and/or possible state development of the crane can be simulated and/or displayed. | 04-19-2012 |
| 20120085723 | BOOM ELEMENT, TELESCOPIC BOOM AND CONSTRUCTION VEHICLE - The present invention relates to a boom element for a telescopic boom, particularly a telescopic shot or a telescopic boom base section, wherein the boom element has cupped corner pieces and lattice bars, and the cupped corner pieces are interconnected by means of the lattice bars, wherein the lattice bars are arranged in a framework, at a right angle with respect to the corner pieces, and/or at an angle different from a right angle, particularly at an acute or obtuse angle, with respect to the corner pieces, and the corner pieces and the lattice bars form a substantially box-shaped hollow structure. | 04-12-2012 |
| 20120085722 | BOOM ELEMENT, TELESCOPIC BOOM, PINNING SYSTEM AND CONSTRUCTION VEHICLE - The present invention relates to a boom element for a telescopic boom, in particular a telescopic section or a pivotal piece of a telescopic boom, wherein the boom element has a substantially box-shaped hollow structure and wherein at least one component of a pinning system is arranged in at least one of the corner edges of the box-shaped hollow structure, wherein at least one further boom element located in the boom element and/or about the boom element can be pinned to the boom element by means of the pinning system for the purpose of fixing, and wherein the component of the pinning system is and/or includes at least one pin mount and/or at least one pin guide in which the at least one pin is guided and/or movable. | 04-12-2012 |
| 20120080397 | LATTICE MAST CRANE AND LATTICE MAST BOOM - A lattice mast crane having a lattice mast boom which can be luffed up in a vertical luffing plane and which comprises a pivotal connection piece, a plurality of lattice pieces releasably connectable to one another, and a head piece, with the lattice mast boom having a two-strand or multi-strand region, wherein at least one side part is releasably arranged at the pivotal connection piece and the two-strand or multi-strand region is arranged directly or indirectly at the pivotal connection piece and/or directly or indirectly at least one side part. | 04-05-2012 |
| 20120074089 | TELESCOPIC SECTION AND CRANE WITH A TELESCOPIC SECTION - The present invention relates to a telescopic section comprising a section tube having at least two bolt parts each having a cut-out, wherein at least one common bolt sheet is provided on or in the profile tube for reinforcing at least two bolt points. | 03-29-2012 |
| 20120061341 | CRANE - This invention relates to a crane, in particular a telescopic crane, with a frame suspended on the load hook for taking up a special load, in particular for taking up a rotor blade of a wind turbine. In accordance with the invention a single guide cable without guying function is provided, which proceeding from the boom foot is tensioned parallel to the direction of the longitudinal axis of the boom system and is attached to the boom system at its end, wherein a frame suspended on the load hook is connected with the guide cable via at least two control cables. | 03-15-2012 |
| 20120031868 | LATTICE PIECE AND CRANE - A lattice piece for a crane includes four corner posts and of null bars and diagonal bars connecting the same, wherein at least a part of the null and diagonal bars are foldably articulated to at least one corner post, and at least one adjusting unit is provided for performing the folding movement, wherein at least one drive is connected or connectable with at least one adjusting unit. | 02-09-2012 |
| 20110303628 | METHOD OF MOVING LARGE CRANES IN THE SETUP SYSTEM AND SYSTEM OF CARRYING OUT THIS METHOD - The present invention relates to a method of moving a large mobile crane having a luffable boom system. In accordance with the invention, the boom system is luffed down into a largely horizontal position for moving and is supported on a support block of a construction machine or of a small mobile crane so that the large mobile crane can be moved together with the construction machine or the small mobile crane. The invention further relates to a system for carrying out the aforesaid method. | 12-15-2011 |
| 20110272377 | Crane - A crane, in particular a lattice mast crane, having a bottom hook block with a load suspension means, in particular a load hook, wherein the bottom hook block has at least one winch whose outgoing control rope is connected or connectable to the crane boom for securing and/or aligning the load position or bottom hook block position. | 11-10-2011 |
| 20110272375 | Crane and Method for Erecting the Crane - The present disclosure relates to a method for telescoping a main boom consisting of a telescopic boom, which is guyed via a spatial boom guying, wherein the erected main boom is guyed during the telescoping operation by means of the spatial guying. Furthermore, the present disclosure relates to a crane with a telescopable main boom, a spatial guying and a crane controller, wherein the crane controller includes a means for determining the necessary guy dimension of the spatial guying in dependence on the current main boom length during the telescoping operation. | 11-10-2011 |
| 20110232375 | Construction Machine - The present disclosure relates to a construction machine having an undercarriage; a superstructure rotatably supported relative to the undercarriage by a revolving roller connection; and a control system, wherein measuring devices are arranged in the revolving roller connection for the force measurement in the directions of pulling and compression, and the control system determines the force in the axis direction of the axis of rotation as well as the torque which is caused by the eccentricity of the force with respect to the axis of rotation from the detected measured values of the measuring devices. From this, improved monitoring of the operational safety and stability of such a construction machine is achieved. | 09-29-2011 |
| 20110174555 | CRAWLER TRAVEL GEAR AND CRAWLER-MOUNTED CRANE - A crawler travel gear that can be applied to a crawler-mounted crane. The crawler travel gear includes a crawler carrier, rollers arranged at the crawler carrier and a crawler chain, with a respective adjustment mechanism provided in the front region and rear region of the crawler carrier for selectively adjusting the contact surface of the crawler carrier relative to an underlying surface. | 07-21-2011 |
| 20110153277 | SENSOR - A sensor for measuring any desired variable, with the sensor having a sensor housing with a specimen feed and with at least two measured value pick-ups and at least two processing units being arranged redundantly respectively pairwise with respect to one another and/or diversely in the sensor housing. | 06-23-2011 |
| 20110153038 | CONTROL SYSTEM FOR CONSTRUCTION MACHINES AND METHOD FOR OPERATING THE CONTROL SYSTEM - A control system for a construction machine includes at least one sensor and at least one controller, wherein a serial connection exists between the sensor and the controller, and wherein at least one sensor and/or controller are of the two-channel or multi-channel type. Furthermore, this invention relates to a method for operating such control system for a construction machine. | 06-23-2011 |
| 20110132860 | DERRICK CRANE - The present invention relates to a derrick crane having a main boom and a derrick boom whose tips are connected to one another via a main guying, with the main guying having a luffing rope arrangement of changeable length arranged between the main boom and the derrick boom to change the length of the main guying on the luffing up of the main boom and with at least two additional guying systems being provided which connect the main guying to the main boom, with the at least two additional g having a fixed length. | 06-09-2011 |
| 20110089131 | Hoisting Limit Switch and Lifting Device - The present disclosure relates to a hoisting limit switch for limiting the maximum allowed hoisting height of a hoisting cable, wherein the hoisting limit switch includes a read-write device for reading and writing data, and a means from which the operating condition of the hoisting limit switch can be read out by the read-write device. | 04-21-2011 |
| 20110084043 | Crane - The within invention relates to a crane with a boom slewable in a vertical pivoting plane and a bracing boom arrangement, particularly a derrick boom arrangement in which a luffing cable is arranged between the boom and the bracing boom arrangement, in which the luffing cable has at least two guying cables that run from two guying points arranged on the opposite side of the pivoting plane, which cables belong to the bracing cable arrangement, to the boom, in which the two guying cables are each movable by means of a winch and in which a mechanical coupling is provided between the two winches by means of which the movement of the two winches can be force coupled. | 04-14-2011 |
| 20110049075 | Crane - The present disclosure relates to a crane with a travelling undercarriage, an uppercarriage rotatably mounted on the same with a luffing boom and derrick boom arranged on the same, and a ballast carriage connectable with the uppercarriage via a coupling element, wherein the ballast carriage is a standardized heavy-duty transport device with separate drive and separate drive controller, and wherein this drive controller can be influenced as a result of the movement of the crane. | 03-03-2011 |
| 20100250153 | Method for Determining the Load Capacity of Cranes - The present disclosure relates to a method for determining the admissible load capacity of a crane, in which the load capacity is determined in dependence on at least one first and one second parameter and which comprises a first step, in which the load capacity for the value of the first parameter with different values of the second parameter is determined by calculation or by interpolation or extrapolation on the basis of known values of the load capacity with specific values of the first parameter, and which comprises a second step, in which the determination of the load capacity for the second parameter is performed on the basis of the values of the load capacity determined in the first step for different values of the second parameter by calculation or by interpolation or extrapolation. | 09-30-2010 |
| 20100158654 | Unknown - The present invention relates to a manipulator, preferably for the assembly of rotor blades of a wind power installation, having a receiving unit for the receiving of a rotor blade and having a connection unit via which the manipulator is connected or connectable to the boom of a crane in a torque-rigid manner so that the position and/or alignment of a rotor blade received in the receiving unit relative to the boom can be fixed by the manipulator. | 06-24-2010 |
| 20100155355 | Rotary Joint - The present disclosure relates to a rotary joint for rotatable connection of the uppercarriage with the undercarriage of a crane, wherein they can each be connected with the uppercarriage on the one hand and the undercarriage on the other hand via a quick-release coupling. | 06-24-2010 |
| 20100050864 | Piston-Cylinder Unit - The present invention relates to a piston-cylinder unit with a piston with adjoining piston rod, which is movably mounted in a cylinder, wherein the piston and the piston rod have a cavity into which at least one rod protrudes, by means of which an electrically conductive connection can be made directly or indirectly. | 03-04-2010 |
