Hydraulic unit for feeding and resetting to a lifting assembly has two supports independent actuated simultaneously

摘要

The hydraulic unit (1) is mounted on a vehicle with a plate of adjustable height, supported by two arms are mechanically independent and each actuated by a hydraulic lifting device (5, 6) independent. The hydraulic block is traversed by the fluid feed and return of the two hydraulic devices, and preferably comprises: a balancing valve (21) controlling the lowering of the plates; • a flow divider (22) which ensures the division of the supply fluid into two streams of identical bit rate, each feeding one of the hydraulic lifting devices; and a solenoid valve for resetting (23) which, when the operator controls the adjustment of the hydraulic lifting devices, whatever the direction of their operation and their position, to isolate one of the hydraulic devices (6) in order to immobilize it, while the other (5) continues its movement.