| 摘要 |
<p>An unboundedly pivoting guiding device (1) with a sheave driven by a hydraulic motor of the invention is pivotably fastened in a bracket (5). Hydraulic tubes (3, 4) originating in the hydraulic system are led to a fixed part (6) of the bracket (5) to supply hydraulic motors on the guiding device (1). The tubes (3, 4) of hydraulic motors of the guiding device (1) are connected to a pivoting part (7) of the bracket (5), said part rotating as the guiding device (1), i. e. for an unlimited angle of the multiple of 360° to the left or right.</p> |
