Big plate -girder hoist and mount specialized tool

The utility model relates to a lifting device technical field discloses a big plate -girder hoist and mount specialized tool, include the tower crane, locate down the roller bearing mechanism of stoplog upper surface, locate the jack mechanism of stoplog and lower stoplog tip, roller bearing mechanism includes the frame of both sides, locates the steel sheet between the frame of both sides, locates the roller bearing between the frame of both sides, locates the inboard leading wheel mechanism of one of them side frame frame, locates wherein the guide block in the opposite side frame, and last stoplog hoists under on the stoplog time, on the roller bearing was placed in to the lower extreme of going up the stoplog, upward the lower extreme both sides of stoplog lay in between leading wheel mechanism and the guide block, and the lower extreme of roller bearing is placed in to the up end of lower stoplog, jack mechanism includes the jack bracket and installs the jack on the jack bracket, under last stoplog hoist