本发明公开了一种集成回转控制的电控多路阀及起重机,电控多路阀包括:首联、伸缩工作联、变幅工作联、LS工作联、副起升工作联、主起升工作联、回转工作联、尾联、先导油路、系统回油路、控制油路、负载敏感油路、主油路,其中,上述多个工作联通过上述多个油路并联连接,电控多路阀还设置有第一主供油口、第二主供油口、第三供油口和第一回油口。由此,该电控多路阀集成控制油路、回油及补油油路,可提供各机构动作先导控制油,节省辅助泵、补油泵及简化控制管路,同时集成回转机构的电比例控制阀组、缓冲阀组、自由回转阀组于一体,可大大简化回转控制的管路布置,节省空间,使结构更加紧凑。
The invention discloses an electronic control multi-way valve integrating rotation control and a crane, the electronic control multi-way valve comprises a head link, a telescopic working link, a variable amplitude working link, an LS working link, an auxiliary lifting working link, a main lifting working link, a rotation working link, a tail link, a pilot oil way, a system oil return way, a control oil way, a load sensitive oil way and a main oil way, the plurality of working units are connected in parallel through the plurality of oil ways, and the electric control multi-way valve is further provided with a first main oil supply port, a second main oil supply port, a third oil supply port and a first oil return port. Therefore, the electric control multi-way valve integrates a control oil way and an oil return and recharging oil way, can provide action pilot control oil for each mechanism, saves an auxiliary pump and an oil recharging pump, simplifies a control pipeline, integrates an electric proportional control valve group, a buffer valve group and a free rotary valve group of a rotary mechanism, can greatly simplify pipeline arrangement of rotary control, saves space, and is convenient to assemble and disassemble. And the structure is more compact.
一种集成回转控制的电控多路阀及起重机
24.06.2025
Patent
Elektronische Ressource
Chinesisch