Hydraulic jackhammer

Details Hydraulic jackhammer Hydraulic jackhammer

F - Mech Eng,Light,Heat,Weapons

15

B

138/40.13

F15B 9/06 (2006.01) B25D 9/12 (2006.01) B25D 11/12 (2006.01) E21B 6/00 (2006.01) E21B 21/14 (2006.01)

Patent

CA 2007428

The hydraulic jackhammer is provided with a rotor turbine which is driven by a liquid stream in order to activate the tup for driving against a jumper rod. After passing by the turbine rotor, the liquid stream is mixed with air and passed through a nozzle into a guide channel under pressure in order to cool the casing. Some of the liquid-air mixture is passed through the hollow jumper rod for spraying onto a jumper bit and sprayed onto the rock being drilled.

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