Mechanical-hydraulic Shock Absorber

Mechanical-hydraulic shock absorber is one new type double acting shock absorber, it absorbs jumping and shaking of driwlling tools through compressed energy storage from two kinds of damping elements which are disc spring and Si-oil, it has advantages of good maintainability, resistance to high load, long service life. It could meet the need of different formation, protect drill bits and drilling tools.

Description
Inquiry

Specification

OD mm(indh)	ID mm(inch)	Conn.	MAX.stroke mm	Sealing pressure MPa	Work torque KN.m	Max.pull KN	The highest work temperature ℃
121(4-3/4)	38(1-1/2)	NC38	100(4)	20	10	1100	120
159(6-114)	50.8(2)	NC50	120(4-34)	20	15	1500	120
178(7)	57(2-1/4)	NC50	120(4-3/4)	20	15	1500	120
203(8)	71.4(2-13/16)	6-5/8REG	140(5-1/2)	20	15	1900	120