HYDRAULIC IMPACT-SHEARING DEVICE Russian patent published in 2018 - IPC E21C27/20 

FIELD: machine building.

SUBSTANCE: invention relates to hydraulic shock-shearing devices. Hydraulic shock-shearing device contains communicated with the working medium supply channel guide block, an impact tool, a triggering-backing chamber and a pneumatic accumulator, which is a forward-stroke chamber. Guide block is fixedly secured to the turret, and made with grooves on the inner surface. Impact tool, triggering chamber and pneumatic accumulator are located in the power module. To move along the of the guide block grooves power module is made with helical guides and is mounted in the guide block by means of a feeding mechanism. Feeding mechanism has bearings and retaining rings, is mounted on a guide block for the power module inserting into the guide block seat by means of bearings and gearing.

EFFECT: expansion of the application of the mechanical method of strong rocks destruction.

1 cl, 3 dwg