| 摘要 |
<p>A hydraulic suspension unit for the front axle suspension of a tractor, comprises a hydraulic jack 10 having a cylinder body 12, a piston 14 arranged within the cylinder body 12 to define two variable volume working chambers 18, 20, a piston rod 16 connected to the piston 14 and sealingly guided in the cylinder body 12, and anchoring blocks 22, 24, on the ends of the cylinder body 12 and of the piston rod 16 for connecting the hydraulic jack to components of the suspension that are movable relative to one another. The suspension unit further comprising a valve body 30 having valves 32, 34 connected to regulate the flow of hydraulic fluid to and from the working chambers 18, 20 of the jack 10. In the invention, the valve body 30 is directly mounted on the anchoring block 22 of the cylinder body 12 on its side remote from the anchoring block 24 of the piston rod 16.</p> |
