| 摘要 |
<p>The crane winch (10) has a frame (12) upon which is installed a cable suspension (14) for the connecting of the frame to a load carrying cable (1), a cable drum (18) mounted on the frame to accommodate a winch cable (3), a winch drive (19) to drive the cable drum, and a winch cable run-off device (20) which fixes a run-off point (43) of the winch cable. The cable drum is installed between the cable suspension and winch cable run-off device. Independent claims are also included for the following: (A) a device for ground work such as drilling by a crane (30) upon which is installed a load carrying cable; and (B) a method for the lifting and lowering of an element, especially a ground working device, by means of a crane with a load carrying cable.</p> |
