Lift platform safety tongs structure

The utility model discloses a lift platform safety tongs structure, including the governor sheave that installs at the middle and upper lower extreme of platform derrick, install at the wire rope between the upper and lower governor sheave, install the luggage rack guide rail in the platform derrick and the luggage rack that installs in the platform derrick founds the roof beam, the luggage rack lower extreme that founds the roof beam still install manned platform, and luggage rack stands and still installs the safety tongs body on the roof beam. The structure of this device is comparatively simple equitable, sets up the voussoir groove at the guide rail inslot and on the safety tongs body through setting up wire rope, and wire rope is last to be connected safe voussoir and set up in the voussoir groove, has reduced the occupation space of this device in the platform derrick greatly, is applicable to very much the elevator or the lift platform of little well. 本实用新型公开了种升降平台安全钳结构，包括安装在平台井架中上下端的限速器绳轮、安装在上、下限速器绳轮