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[CN201820795898.X] A wear-resistant and impact-resistant electro-hydraulic hammer rod
[CN201820795898.X] A wear-resistant and impact-resistant electro-hydraulic hammer hammer title: A wear-resistant and impact-resistant electro-hydraulic hammer hammer hammer application number: CN201820795898.X Applicant: Henan Shenlong Petroleum Drilling Tools Co., Ltd. Application Date: 2018-5-25 Patent Type: Utility Model The utility model discloses a wear-resistant and impact-resistant electro-hydraulic hammer hammer hammer rod, including a rod, the top of which is provided with a piston connected with the bottom of the bottom of which is connected with a hydraulic cylinder of which is connected, the outer surface of the piston is provided with a number of sealing grooves and a number of wear-resistant belts. The utility model has a simple structure. By arranging a solder bronze alloy layer, a wear-resistant belt and a sealing groove on the contact part of the piston, the impact resistance and wear resistance of the piston are greatly improved, It can better adapt to the harsh forging environment, extend the service life of the hammer rod, and reduce the economic cost of production; at the same time, between the connecting body and the two halves of the hammer head, the concave-convex connection is matched.
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