Bolt displacement fastening device

The utility model relates to a bolt displacement fastening device which comprises a device base, bearings are installed at the front end and the rear end of the device base, a driving chain wheel and a driven chain wheel are provided with cylinders and installed on the bearings, and a chain is meshed on the driving chain wheel and the driven chain wheel. A rocking handle is detachably mounted on the driving chain wheel; a mounting groove is formed in the driven chain wheel, a small magnet is arranged in the mounting groove, the replaceable sleeve is attracted to the driven chain wheel through the small magnet, and a groove with the same shape as a bolt to be fastened is formed in the replaceable sleeve. According to the utility model, the fastening problem of a bolt in a narrow and thin gap is solved, the working efficiency of workers is improved, the working intensity is reduced, and the integrity of the appearance of equipment is protected. 本实用新型涉及一种螺栓异位紧固装置，包括装置底座，装置底座前后两端安装有轴承，主动链轮和从动链轮设置有圆柱体，安装在轴承上，链条啮合在