Integrated valve with flow distribution being irrelevant to load pressure and throttling edge being controlled independently
A load pressure, independent control technology, applied in the direction of fluid pressure actuators, servo motor components, mechanical equipment, etc., can solve the low efficiency and response performance of hydraulic systems, poor interchangeability of flow distribution control valves, and difficulties in valve core design and processing and other problems, to achieve the effect of convenient processing, guaranteed performance and considerable economic benefits
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[0016] figure 1 , 2 It is an embodiment disclosed by the present invention. This kind of high-response integrated valve with independent control of the throttling side whose flow distribution has nothing to do with the load pressure includes multiple valve groups, supply oil circuit P, return oil circuit T, and load sensitive oil circuit LS. , the multi-valve group shares a unified supply oil circuit P, return oil circuit T and load-sensing oil circuit LS, and each valve group has two output ports connected with hydraulic actuators; the multi-valve group includes Two valve groups, namely the first valve group and the second valve group, the structure of each valve group is the same;
[0017] The first valve group includes five two-position two-way electro-hydraulic proportional valves, two shuttle valves, two one-way valves and two pressure compensation valves; a first two-position two-way electro-hydraulic proportional valve 9 The first connecting channel, the first connect...
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