The double-counterweight oil cylinder motion control hydraulic system comprises a reversing valve, an oil port A of the reversing valve is connected with an oil port V of a flow distributing and collecting valve, and a damper is connected between an oil port C1 and an oil port C2 of the flow distributing and collecting valve and used for reducing the load difference between the oil port C1 and the oil port C2 of the flow distributing and collecting valve. The flow dividing effect is good, the problem that the synchronism of the counterweight oil cylinders is poor is solved, meanwhile, four switch valves are not needed during independent action, and the problems that a counterweight system is complex and high in cost are solved.
本发明公开了一种双配重油缸运动控制液压系统及起重机,包括换向阀,所述换向阀的油口A连接分流集流阀的油口V,分流集流阀的油口C1和油口C2之间连接有阻尼,用以减小分流集流阀油口C1和油口C2之间的负载差。本发明分流效果较佳,解决配重油缸同步性较差的问题,同时,单独动作时不再需要四个开关阀实现,解决配重系统复杂,成本高的问题。
Double-counterweight oil cylinder motion control hydraulic system and crane
一种双配重油缸运动控制液压系统及起重机
2024-05-03
Patent
Elektronische Ressource
Chinesisch
Crane counterweight synchronizing hydraulic system and crane
Europäisches Patentamt | 2015
|Hydraulic system for counterweight displacement and crane
Europäisches Patentamt | 2022
|Single-cylinder counterweight jacking mechanism and crane
Europäisches Patentamt | 2023
|Single-cylinder counterweight jacking mechanism and crane
Europäisches Patentamt | 2024
|