The invention relates to a hydraulic motor integrated control valve group of a first rope changing vehicle, which is characterized in that a port A of an electromagnetic relief valve and a port P1 of a third one-way valve are connected in parallel to a main pump oil inlet P1 of a valve block, and the third one-way valve and a fourth one-way valve are connected in series between the main pump oil inlet P1 and an auxiliary pump oil inlet P2 of the valve group; the electro-hydraulic directional control valve and the first one-way valve are connected between the communication position of the third one-way valve and the fourth one-way valve and a main oil return port T of the valve set in series, the overflow valve with the remote pressure regulating connector is connected between the electro-hydraulic directional control valve and the main oil return port T, and the second one-way valve is connected between an oil supplementing port P3 of the valve set and a hydraulic motor connecting oil port B. A main pump pressure gauge connector S1 is connected with a main pump oil inlet P1, and a working pressure measuring opening S2 is connected with a hydraulic motor connecting oil opening A of the valve set. The overflow valve, the oil supplementing one-way valve, the main pump one-way valve and the like which are distributed in a scattered mode are concentrated on the valve blocks where the electromagnetic overflow valve and the electro-hydraulic reversing valve are located, so that peripheral pipelines are greatly simplified, and meanwhile the number of connectors and the leakage risk are reduced.
本发明为一种首绳换绳车的液压马达集成控制阀组,电磁溢流阀的A口与第三单向阀的P1口并联连接于阀块的主泵进油口P1,第三单向阀与第四单向阀串联设置于阀组主泵进油口P1与副泵进油口P2之间,电液换向阀与第一单向阀串接于第三单向阀与第四单向阀的连通处及阀组的主回油口T之间,含远程调压接口的溢流阀接于电液换向阀与主回油口T之间,第二单向阀接于阀组的补油口P3和液压马达连接油口B之间,主泵压力表接口S1与主泵进油口P1相连,工作压力测压口S2与阀组的液压马达连接油口A相连。本发明将分散布置的溢流阀、补油单向阀、主泵单向阀等集中到电磁溢流阀和电液换向阀所在的阀块上来,使得外围管路大大简化,同时减少了接头数量和渗漏风险。
Hydraulic motor integrated control valve group of first rope replacing vehicle
一种首绳换绳车的液压马达集成控制阀组
11.03.2025
Patent
Elektronische Ressource
Chinesisch
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