The invention discloses an emergency valve mechanism, which is suitable for an engineering vehicle with a combined control valve group, a T22 port, an internal power source, a hydraulic oil tank and an oil return stop valve, and comprises a P1 port, a P2 port, a T1 port, a T2 port and a second emergency interface, and the second emergency interface comprises an A2 port, a B2 port, a C2 port and a D2 port; the port P2 is connected with the port D2 through a first one-way valve; the port P1 is connected with the port A2 through a second one-way valve; the P1 port is connected with one input end of the electromagnetic reversing valve; a port T1 is connected with the other input end of the electromagnetic directional valve; one output end of the electromagnetic reversing valve is connected with the port B2, and the other output end of the electromagnetic reversing valve is connected with the port C2; the port T2 is connected with one input end of the electromagnetic reversing valve and is connected with the port T1 through a pipeline; the invention further discloses an emergency system which comprises the emergency valve mechanism, other power sources and the engineering vehicle to be subjected to emergency rescue due to engine faults.
本发明公开了一种应急阀机构,适用于具有组合控制阀组、T22口、内部动力源、液压油箱和回油截止阀的工程车辆,包括:P1口、P2口、T1口、T2口和第二应急接口,该第二应急接口包括A2口、B2口、C2口和D2口;P2口通过第一单向阀与D2口连接;P1口通过第二单向阀与A2口连接;且该P1口与电磁换向阀的一输入端连接;T1口与电磁换向阀的另一输入端连接;电磁换向阀的一输出端与B2口,其另一输出端与C2口连接;T2口与电磁换向阀的一输入端连接,且该T2口通过管路与T1口连接;本发明还公开了一种应急系统,包括应急阀机构、其他动力源、因发动机故障待应急救援的工程车辆。
Emergency valve mechanism and emergency system
一种应急阀机构及应急系统
2023-08-08
Patent
Elektronische Ressource
Chinesisch
EMERGENCY VALVE HAVING EMERGENCY ACCELERATION RELIEVING FUNCTION
Europäisches Patentamt | 2023
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