Telescopic auxiliary tool for quickly assembling and disassembling bolt in narrow space

The utility model provides a telescopic auxiliary tool for rapidly assembling and disassembling a bolt in a narrow space. The telescopic auxiliary tool comprises a transmission mechanism, a front side sleeve, a front side transmission wheel, a front side shell, a clamping stagnation structure, a positioning structure, a sliding groove, a rear side shell, a rear side sleeve and a rear side transmission wheel. The left end of the front side shell is used for installing a front side transmission wheel through a round hole, and the right end of the front side shell is hollow, can sleeve the rear side shell and is matched with a positioning structure at the left end of the rear side shell through a clamping structure designed on the upper surface of the right end of the front side shell; the left end of the rear side shell can be sleeved by the front side shell, and a sliding groove is formed in the upper surface of the rear side shell. According to the telescopic auxiliary tool for quickly assembling and disassem