The invention belongs to the technical field of lifting, and particularly relates to a chain anti-loosening and anti-breaking device. The chain anti-loosening and anti-breaking device comprises a positioning threaded sleeve, an adjusting threaded sleeve, a chain threaded rod, a reset spring, a start-stop switch positioning plate and a start-stop switch; one end of the adjusting threaded sleeve is connected to the inner side of the positioning threaded sleeve through threads, and the reset spring is arranged on the inner side of the positioning threaded sleeve; the reset spring is arranged in an adjusting screw sleeve groove, and the other end of the reset spring is arranged in a supporting cushion sleeve; and the chain threaded rod sequentially penetrates through the adjusting threaded sleeve, the reset spring and the supporting cushion sleeve, and the start-stop switch positioning plate is arranged on the edge of the outer side of the positioning threaded sleeve and fixedly connected with a fixing bottom plate through an inserting screw, one side of the fixed bottom plate is connected with the surface of the positioning threaded sleeve, and the start-stop switch is mounted at the end, away from the positioning screw sleeve, of the fixed bottom plate.
本发明属于升降技术领域,尤其涉及一种链条防松防断器,包括定位螺套、调节螺套、链条螺杆、复位弹簧、启停开关定位板以及启停开关,调节螺套一端通过螺纹连接在定位螺套内侧,定位螺套内侧设置有复位弹簧,复位弹簧设在与调节螺套凹槽内,复位弹簧另一端设置在支撑垫套内,链条螺杆依次穿设调节螺套、复位弹簧以及支撑垫套内,定位螺套外侧边缘设置有启停开关定位板,启停开关定位板通过装插螺钉固定连接固定底板,固定底板一侧与定位螺套表面连接,固定底板远离定位螺套的一端安装有启停开关。
Chain anti-loosening and anti-breaking device and lifting equipment
一种链条防松防断器及升降设备
18.01.2022
Patent
Elektronische Ressource
Chinesisch
IPC: | B66B Aufzüge , ELEVATORS / 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 |
Anti-loosening bolt and anti-loosening hanging ring device
Europäisches Patentamt | 2020
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