| 摘要 |
<p>Typical of the axially moving sprocket wheel of a forestry winch is that the drum (3) with automatic brake (4) is attached to the main shaft (6), while the drum (3) for winding and unwinding wire rope is via a clutch (2) slidingly connected to the axially moving sprocket wheel (1). The sprocket wheel (1) is connected to the hydraulic cylinder (6) and in the moment, when the hydraulic cylinder receives the signal from the command handle in order to stop the drum (3) rotation, it releases the moving of the hydraulic cylinder (6) which shifts the sprocket wheel (1) away from the clutch (2).</p> |
