Lifting appliance for lifting prefabricated part

The utility model relates to the technical field of hoisting slings, in particular to a hoisting sling for prefabricated parts. A sliding groove is formed in the main beam, a through groove is formed in the bottom of the sliding groove, one end of each connecting column is hinged to the main beam, the other end of each connecting column is fixedly connected with the disc, the stand column is fixedly connected with the disc and located above the disc, and a hanging hole is further formed in the stand column. The width adjusting mechanism is arranged in the main beam, the number of the lifting arms is two, the two lifting arms are arranged at the bottom of the width adjusting mechanism, a sliding groove is formed in each lifting arm, and rectangular grooves are formed in the two opposite sides of each sliding groove. And the lifting appliance does not need to be replaced during lifting, so that time and labor are saved. 本实用新型涉及吊装吊具技术领域，具体涉及一种预制构件吊装吊具；主梁上开设有滑槽，滑槽的底部开设有通槽，连接柱的数量为两个，两个连接柱的一端分别与主梁铰接，两个连接柱的另一端分别与圆盘固