The invention relates to a crane bolt type telescopic system and a crane. The telescopic system comprises an oil supply source, a first hydraulic cylinder, a reversing mechanism, a second hydraulic cylinder and an adjusting assembly, the first hydraulic cylinder is used for driving a telescopic arm of the crane to extend or retract; the reversing mechanism is connected between the oil supply source and the first hydraulic cylinder and is configured to switch a connecting oil way between the oil supply source and the first hydraulic cylinder, the second hydraulic cylinder comprises a second cylinder body and a second piston, and the two ends of the second piston are provided with a first rod part and a second rod part which can stretch out of the second cylinder body respectively; and the second hydraulic cylinder is used for driving a cylinder and arm pin driving mechanism to move, the cylinder and arm pin driving mechanism is used for driving a cylinder pin and an arm pin on the crane to move, the adjusting assembly is arranged between the first hydraulic cylinder and the second hydraulic cylinder and is configured to adjust the communication relation between the first hydraulic cylinder and the second hydraulic cylinder, and the first rod part and the second rod part of the second hydraulic cylinder are driven to extend or retract through the liquid pressure in the first hydraulic cylinder.
本发明涉及一种起重机插销式伸缩系统和起重机,其中伸缩系统包括供油源、第一液压缸换向机构第二液压缸和调节组件,第一液压缸用于驱动起重机的伸缩臂伸出或缩回,换向机构连接于供油源和第一液压缸之间并被配置为切换供油源和第一液压缸之间的连接油路,第二液压缸包括第二缸体和第二活塞,第二活塞的两端分别设有能够从第二缸体中伸出的第一杆部和第二杆部,第二液压缸用于驱动缸臂销驱动机构运动,缸臂销驱动机构用于驱动起重机上的缸销和臂销运动,调节组件设置于第一液压缸和第二液压缸之间并被配置为调节第一液压缸和第二液压缸之间的连通关系,以通过第一液压缸中的液体压力驱动第二液压缸的第一杆部和第二杆部伸出或缩回。
Crane bolt type telescopic system and crane
起重机插销式伸缩系统和起重机
2022-01-07
Patent
Elektronische Ressource
Chinesisch
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