The hydraulic elevator double-pump control system comprises a hydraulic oil tank, a first hydraulic oil pump, a second hydraulic oil pump and at least one hydraulic cylinder used for driving an elevator to ascend and descend, and the first hydraulic oil pump and the second hydraulic oil pump are used for supplying oil to the hydraulic cylinders; the hydraulic system further comprises a first one-way valve, an ascending direction valve and a descending direction valve, the first one-way valve is arranged in an oil supply path of the hydraulic cylinder, the ascending direction valve is connected to the front end of the first direction valve in parallel, the descending direction valve is connected to the rear end of the first direction valve in parallel, and the ascending direction valve and the descending direction valve are both connected to a hydraulic oil tank. The double-pump system has the advantages that the double-pump system is adopted to control the hydraulic elevator, and the failure rate of elevator stopping caused by faults of the hydraulic pumps is reduced.
本申请公开了一种液压电梯双泵控制系统,包括液压油箱、第一液压油泵、第二液压油泵、以及至少一个用于驱动电梯升降的液压缸,所述第一液压油泵和第二液压油泵用于向液压缸供油;还包括第一单向阀、上行方向阀以及下行方向阀,所述第一单向阀设置在液压缸的供油油路中,所述上行方向阀并联在第一方向阀的前端,所述下行方向阀并联在第一方向阀的后端,所述上行方向阀和下行方向阀均连接至液压油箱。本申请优点是采用双泵系统控制液压电梯,降低因为液压泵故障而导致停梯的故障率。
Double-pump control system of hydraulic elevator
一种液压电梯双泵控制系统
2023-11-03
Patent
Elektronische Ressource
Chinesisch
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