Load-sensitive electro-hydraulic proportional multi-way valve
A load-sensing, electro-hydraulic proportional technology, applied in the field of multi-way valves, can solve problems that are difficult to realize, and achieve the effects of reducing pollution, reducing pipeline connections, and improving control accuracy
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[0010] The present invention will be further described below in conjunction with accompanying drawing.
[0011] Such as figure 1 As shown, a load-sensitive electro-hydraulic proportional multi-way valve includes a safety valve 1, a first pilot electro-hydraulic proportional pressure reducing valve 2, a second pilot electro-hydraulic proportional pressure reducing valve 5, and a first load-sensitive pressure compensation valve 3 , the first joint composed of the first hydraulically controlled reversing main valve 4 and the overload oil supplement valve 14, the third pilot electro-hydraulic proportional pressure reducing valve 6, the fourth pilot electro-hydraulic proportional pressure reducing valve 9, and the second load-sensitive pressure compensation Valve 7, internal pilot oil inlet valve 8, float control solenoid valve 10, second hydraulic control reversing main valve 11, float valve 12 and LS shuttle valve 13; the oil inlet of safety valve 1, the first The load-sensing p...
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