The invention relates to the technical field of mining mechanical equipment, and particularly discloses a hydraulic support jack which comprises a cylinder barrel, a piston rod, a piston assembly and a cylinder cover assembly, the piston assembly is fixedly connected with the piston rod through a connecting bolt, and an inner hexagonal elastic pipe and an elastic washer are arranged to improve the sealing performance and stability; the cylinder cover assembly is composed of a guide sleeve, multi-layer sealing and dustproof design is achieved, the working performance of the jack is effectively improved, and the service life of the jack is effectively prolonged. The technical effect of enhancing the reliability and durability of the jack is achieved.

    本申请涉及矿山机械设备技术领域,具体公开了一种液压支架千斤顶,其包括缸筒、活塞杆、活塞组件和缸盖组件,其中活塞组件通过连接螺栓与活塞杆固定连接,并设有内六角弹性管和弹性垫圈以提高密封性和稳定性;缸盖组件则由导向套组成,具有多层密封和防尘设计,有效提升了千斤顶的工作性能和使用寿命。本申请达到了增强千斤顶的可靠性和耐用性的技术效果。


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    Title :

    Hydraulic support jack


    Additional title:

    一种液压支架千斤顶


    Contributors:
    ZHANG CHAO (author) / JIA JIE (author) / YAN SHUYI (author) / WANG CHAOBO (author) / SUN JINGSHUANG (author)

    Publication date :

    2025-04-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    E21D SHAFTS , Schächte / 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



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