A hydraulic striking device includes a body (3) having a cylinder (2) mounted slidably inside a striking piston (1) hydraulically driven reciprocally by an incompressible fluid, the striking piston (1) Is controlled by a distributor (6) accommodated in a distribution box (7) mounted in the main body. The distributor 6 includes an extension 6c oriented at one end thereof in the axial direction of the distributor and the hydraulic striking device is provided at the one end of the distributor at the end of the distributor and at the end of the stroke of the distributor, At least one calibrated passageway 33-36 arranged to connect the braking chamber 32 to the low-pressure return circuit 15, and a second braking chamber 32, ).
展开▼
