The impact device consists of a chassis, a working camera, a piston, a pressure fluid inlet and outlet channel, a control valve, a control channel, and a second control channel in Piston, allowing the liquid to form a cushion. Working camera.

摘要

Percussion Device comprises a working Chamber which has a piston Transmission; the device comprises a first control channel that leads to the location of the piston transmissionS or a part connected to the piston, that comprises a Second control channel that connects the first control channel.