Mining explosive-proof electric wrench

Abstract

The utility model discloses a mining explosion-proof electric wrench, which comprises an explosion-proof electric wrench device, a grab handle, an electric wrench explosion-proof shell, a driving main shaft with one end inserted into the electric wrench explosion-proof shell, and a nut sleeve head connected with the end part of the driving main shaft, a first guide ring and a second guide ring are arranged on the outer surface of the explosion-proof shell of the electric wrench; the limiting piece comprises an attaching plate installed on the surface of the explosion-proof shell of the electric wrench, a connecting rod connected with one end of the attaching plate and a fixing ring connected with the other end of the connecting rod; the knocking assembly comprises a moving rod penetrating through the fixing ring, a knocking head connected with one end of the moving rod and a reset spring arranged on the outer side of the moving rod in a sleeving mode; the anti-explosion electric wrench is provided with a knocking design for knocking a nut dismantled in the nut sleeve head, the thumb hooks the pull ring and pulls and loosens the pull ring, the pulling action is repeated, the movable rod drives the knocking head to move, the knocking head penetrates into the nut sleeve head, and the knocking head knocks the nut left in the nut sleeve head to enable the nut to fall off.