Expansion bolt sleeve for electric hammer

The utility model belongs to the technical field of building foundation pit supporting construction, and particularly relates to an expansion bolt sleeve for an electric hammer, which comprises a sleeve body and a mounting handle rod. An avoiding groove is formed in the inner bottom surface of the protection groove and is used for embedding the end part of the expansion bolt; the installation handle rod is detachably installed at the tail end of the sleeve body and used for being connected with an electric hammer. The expansion bolt sleeve is used for being matched with hammering and rotating functions of an electric hammer, so that an expansion bolt is installed on the inner wall of a foundation pit to achieve installation of a steel support of the foundation pit. The sleeve body and the installation handle rod are detachably connected, the sleeve body and the installation handle rod can be replaced at will according to different electric hammers and expansion bolts, the adaptability of the device is improve