A multi-piston jack comprises a cylinder body, and the cylinder body is a steel cylinder provided with a plurality of cylinder holes distributed in the circumferential direction and a center cylinder hole. The jack further comprises a cylinder bottom, a cylinder cover, a piston and a piston rod. The jack is provided with a structure of a plurality of pistons, has the advantages of being low in body height, light in weight, good in integrity, convenient to connect and install and reasonable in stress point distribution, and can control the number of the working pistons through the valves connected to the oil ways of the cylinder holes to achieve conversion of different thrust.
一种多活塞千斤顶,本千斤顶包括缸体,所述的缸体为开设有多个沿周向分布的缸孔和一个中心缸孔的钢质圆柱体;本千斤顶还包括缸底、缸盖、活塞和活塞杆。这种一台千斤顶具有多个活塞的结构,具有本体高度低,重量轻,整体性好,连接、安装方便,受力点分布合理的有点,还可通过对连接至各缸孔的油路的阀门来控制工作活塞的数量,实现不同推力的转换。
Multi-piston jack
多活塞千斤顶
28.02.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last |
Piston rod locking mechanism, jack and hydraulic support
Europäisches Patentamt | 2024
|