Bolt fracture wire taking device

The utility model discloses a bolt fracture wire taking device which comprises a pair of fixing seats, neodymium magnet adsorption seats are fixedly installed at the bottoms of the fixing seats on thetwo sides, a three-level coaxial cylindrical hole, an air bag groove and an oil storage groove are formed in a shell respectively, a shaft sleeve is fixedly inserted in an inner ring of a bearing, and the shaft sleeve is sleeved with a shaft sleeve. A traction rope is fixedly connected to a rotating shaft of the rotating gear, the end, away from the traction rope, of the extrusion air bag communicates with an air hole formed in the shell through a one-way air inlet valve, an air inlet channel is formed between the air bag groove and the oil storage groove, an oil outlet channel is formed in the bottom of the oil storage groove, and a positioning groove is formed in the shaft sleeve. According to the utility model, the drill bit and the wire taking head are positioned, the stability and the position accuracy of th