The buffering device for the elevator comprises a hydraulic cylinder and an adjusting assembly, the hydraulic cylinder comprises a cylinder barrel and an I-shaped piston, the piston comprises a piston rod, a piston head and a supporting plate, the piston head and the supporting plate are fixedly connected to the two ends of the piston rod, the piston head is slidably connected into the cylinder barrel, and the supporting plate is located outside the cylinder barrel. Working oil is injected into the cylinder barrel; the adjusting assembly comprises an adjusting barrel, a reset spring and a piston plate, the reset spring and the piston plate are located in the adjusting barrel, the adjusting barrel is arranged on the cylinder barrel in a sleeving mode, a stepped hole is formed in the piston plate, a small hole of the stepped hole is located on the upper portion, and the piston plate is slidably connected to the cylinder barrel in a sleeving mode through the small hole of the stepped hole. The two ends of the reset spring are fixedly connected to the inner top of the adjusting cylinder and the piston plate correspondingly. A one-way liquid inlet valve and a one-way liquid outlet valve which are communicated with the cylinder barrel and the adjusting barrel are arranged on the wall body of the bottom of the cylinder barrel. According to the scheme, the buffering stroke of the buffering device is effectively improved, and then the buffering effect is improved.

    本方案公开了电梯配件技术领域的一种电梯用缓冲装置,包括液压缸和调节组件,液压缸包括缸筒和工字型的活塞,活塞包括活塞杆与固定连接在活塞杆两端的活塞头和支撑板,活塞头滑动连接在所述缸筒内,支撑板位于缸筒外,缸筒内注有工作油;所述调节组件包括调节筒和位于调节筒内的复位弹簧与活塞板,调节筒套设在所述缸筒上,活塞板上设有阶梯孔,阶梯孔的较小孔位于上方,活塞板通过阶梯孔的较小孔滑动套接在所述缸筒上,所述复位弹簧的两端分别固定连接在调节筒的内顶部和活塞板上;所述缸筒底部的壁体上设有连通缸筒和调节筒的单向进液阀和单向出液阀。本申请的方案有效提高了缓冲装置的缓冲行程,进而提高缓冲效果。


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    Title :

    Buffer device for elevator


    Additional title:

    一种电梯用缓冲装置


    Contributors:
    LUO XIANLIN (author) / WANG JUNHUA (author)

    Publication date :

    2023-01-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66B Aufzüge , ELEVATORS / F16F SPRINGS , Federn



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