Impact holing formula shaft development device

The utility model provides an impact holing formula shaft development device, including a plurality of prefabricated lining that erect the derrick above shaft mouth and set up along the shaft inner wall, its characterized in that: being fixed with the fixed pulley on the derrick, passing hoisting cable on the fixed pulley, hoisting cable outside end is connected with hoist engine A, and the jump bit is connected along derrick inside vertical downward back bottom to the hoisting cable medial extremity, three firm wall of a well wire rope of lower terminal surface circumference symmetric connection of the prefabricated lining of lower floor, and a hoist engine B is respectively connected in three firm wall of a well wire rope outsides, controls prefabricated lining and follows the perpendicular below of shaft. The utility model discloses simple structure, simple structure, the preparation is convenient, utilizes the jump bit to carry out impacted style excavation tunnelling to the shaftto through prefabricated