Reverse impact device for a rod withdrawal of the impact tool

摘要

(57) Abstract Objective The temperature rise with the compression of the compressed fluid of the cushioning chamberWay it prevents, it does not cause the adverse effect to the bombardment tool with overheating,It does. Constitution The main piston 5 which inside cylinder 11 the reciprocate is doneWith, to be installed by that front, with ahead motion of main piston 5 bombardmentThe shank rod 1 which is given and shank rod 1The Inlaying being put in the front of spline 9, front cap 2The sub- pith which forms the annular chamber 7 where the compressed fluid is enclosed betweenIn the bombardment tool which has with ton 7, the annular chamber 7 the hoseThrough with 6 and diaphragm 10, the return circuit 14 to the tank 13You joint.