The worm gear lead screw elevator comprises a protective cylinder, connecting sliding ways are evenly formed in the protective cylinder, an auxiliary ring is rotationally connected to the outer ring of the bottom end of a lead screw, a sliding rod is fixedly connected to the outer ring of the auxiliary ring, and a plurality of mounting grooves are evenly formed in the circumferential direction of the auxiliary ring; wedge-shaped blocks are slidably connected to the upper side and the lower side of each mounting groove, a plurality of safety blocks are evenly slidably connected to the outer ring of the auxiliary ring, limiting rods are fixedly connected to the outer side faces of the double-end cams, semicircular arc grooves are formed in the inner side walls of the mounting grooves, and releasing gears are fixedly connected to the outer walls of the torsional spring shafts; a damping gear ring is mounted at the bottom of the lead screw, positioning columns are elastically connected to the interiors of the two ends of the double-end cam, containing holes are formed in the two sides of the mounting groove, the attaching electromagnets are used for attracting the wedge-shaped blocks to get close to each other, the attraction electromagnets are used for attracting and pulling out the positioning columns, the situations of free falling and the like are avoided, safety is achieved, and reliability is improved.

    本发明公开了丝杆升降机技术领域的蜗轮丝杆升降机,包括护筒,护筒内部均匀开设有连接滑道,丝杆底端外圈转动连接有辅助圈,辅助圈外圈固定连接有滑杆,辅助圈周向均匀开设有多个安装槽,安装槽内均通过扭簧轴转动连接有双头凸轮,安装槽上下两侧均滑动连接有楔形块,辅助圈外圈均匀滑动连接有多个安全块,双头凸轮外侧面固定连接有限制杆,安装槽内侧壁开设有半圆弧槽,扭簧轴外壁固定连接有释放齿轮,丝杆底部安装有阻尼齿圈,双头凸轮两端内部均弹性连接有定位柱,安装槽两侧均开设有容纳孔,贴合电磁铁用于吸附楔形块相互靠近,吸附电磁铁用于将定位柱吸附拉出,本发明避免自由降落等情况的发生,较为安全,提升了可靠性。


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    Title :

    Worm gear lead screw elevator


    Additional title:

    蜗轮丝杆升降机


    Contributors:

    Publication date :

    2023-12-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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 / B08B Reinigen allgemein , CLEANING IN GENERAL



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