| 摘要 |
<p>The hydraulic drive unit comprises a base frame (1) carrying a motor (7) coupled (9) to a hydraulic pump (8). The pump is contained in a totally enclosed casing (3) carried on the frame whilst the coupling and motor fixture assembly (9) is connected to the casing and/or the frame via damping elements (12-14). The damping assembly may comprise a resilient ring (12) arranged between supports (10,11,17) fixed to the casing and/or frame whilst the coupling assembly (9) is connected to the casing and/or frame via this ring (12). The casing may comprise a frame (4) with sound-insulating wall panels (5,6). The oil tank (18) may form part of the casing too or front wall.</p> |
