The invention discloses a self-locking type amplifying lifting mechanism. The mechanism comprises a bracket, a lifting machine and a base; the rear side of the bottom end of the bracket is hinged to the rear end of the base; the lifting machine is connected between the front end of the base and the front side of the bottom end of the bracket; the lifting machine comprises a reduction gearbox, twotriangular arms, two pull rods and a screw rod; the triangular arms are oppositely arranged at the bottom of the bracket, three hinge points are arranged at the three corners of each triangular arm, the hinge points I of the two triangular arms are hinged to the front side of the bottom end of the bracket correspondingly, and the hinge points II of the two triangular arms are connected with each other through a shaft; the reduction gearbox is hinged to the front end of the base, the reduction gearbox comprises a box body and a nut, the two ends of the nut are arranged in the box body through bearings, and a rotating mechanism for driving the nut to rotate is arranged on the box body; the screw rod is screwed in an internal thread of the nut of the reduction gearbox, and the rear end of thescrew rod is hinged to the shaft between the hinge points II of the two triangular arms through a connecting device; and the front ends of the pull rods are hinged to the front end of the base, and the rear ends of the pull rods are hinged to the hinge points III of the triangular arms correspondingly.
本发明自锁式放大举升机构,包括托架、举升机和底座,托架底端后侧与底座后端相互铰接,举升机连接在底座前端与托架底端前侧之间,举升机包括减速箱、两块三角臂、两根拉杆和一根丝杠,三角臂相对设置在托架底部,每块三角臂上的三个角处分别设置三个铰点,两块三角臂的铰点Ⅰ分别与托架底端前侧相互铰接,两块三角臂的铰点Ⅱ通过轴相互连接,减速箱铰接在底座前端,减速箱包括箱体、螺母,螺母两端通过轴承安装在箱体中,箱体上有驱动螺母转动的转动机构,丝杠旋合在减速箱螺母的内螺纹中,丝杠后端通过连接装置与两块三角臂铰点Ⅱ之间的轴铰接,拉杆的前端分别与底座前端相互铰接拉杆的后端分别与三角臂的铰点Ⅲ相互铰接。
Self-locking type amplifying lifting mechanism
一种自锁式放大举升机构
2020-06-05
Patent
Electronic Resource
Chinese
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 |
Connecting rod combined type self-locking lifting mechanism
European Patent Office | 2022
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