Hydraulic percussion mechanism

Details Hydraulic percussion mechanism Hydraulic percussion mechanism

F - Mech Eng,Light,Heat,Weapons

15

B

138/40.13

F15B 9/02 (2006.01)

Patent

CA 1222433

ABSTRACT OF THE DISCLOSURE: A hydraulic percussion mechanism applied for light and heavy boring hammers, rippers-off, etc., used in different branches of the national economy. The present hydraulic percussion mechanism achieves simultaneously automatic distri- bution of the working fluid and the necessary decreasement of the pressure using the acquired kinetic energy just for the working stroke of the piston. The hydraulic percussion mechanism comprises a working cylinder made of outer and intermediate cylinder, and in the intermediate cylinder is placed a cylindrical distributin bush, having two rows of dis- charging front and back openings embracing cylindrical piston with front and tail-end working rings and a cencentrical feed- ing opening with front and back working flanges. The advan- tages of the invention are that the back working chamber is constantly connected to the pressure fluid current and the piston is moving acceleratingly during the whole working stroke.

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