The invention discloses an amplitude-variable hydraulic cylinder of a crane. The amplitude-variable hydraulic cylinder comprises a hydraulic cylinder body, a sensor base and a magnetostrictive displacement sensor assembly, the sensor base is arranged on the outer wall of the hydraulic cylinder body; the magnetostrictive displacement sensor assembly is arranged on the sensor base and connected with a piston rod assembly in the hydraulic cylinder body. The detection precision can be guaranteed, and the working performance of the hydraulic cylinder is not affected.
本发明公开了一种起重机变幅液压缸,包括液压缸本体、传感器底座和磁滞伸缩位移传感器组件;所述传感器底座设于所述液压缸本体的外壁上;所述磁滞伸缩位移传感器组件设于所述传感器底座上,且与所述液压缸本体中的活塞杆组件相连。本发明能够保证检测精度,且不影响液压缸工作性能。
Luffing hydraulic cylinder of crane
一种起重机变幅液压缸
2024-04-12
Patent
Electronic Resource
Chinese
Crane boom luffing hydraulic control system, luffing device and crane
European Patent Office | 2015
|Dockside cargo crane with hydraulic luffing
Engineering Index Backfile | 1955
Crane, luffing system thereof and luffing adjustment method of crane
European Patent Office | 2024
|