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1. (WO2018021930) HYDROHAMMER

Pub. No.:    WO/2018/021930    International Application No.:    PCT/RU2016/000728
Publication Date: Fri Feb 02 00:59:59 CET 2018 International Filing Date: Wed Oct 26 01:59:59 CEST 2016
IPC: E21B 1/26
E21B 1/38
B25D 9/14
Applicants: OBSCHESTVO S OGRANICHENNOY OTVETSTVENNOSTYU UPRAVLYAYUSHCHAYA KOMPANIYA "TRADITSIYA"
ОБЩЕСТВО С ОГРАНИЧЕННОЙ ОТВЕТСТВЕННОСТЬЮ УПРАВЛЯЮЩАЯ КОМПАНИЯ "ТРАДИЦИЯ"
Inventors: KIRILLOV, Kirill Gennadevich
КИРИЛЛОВ, Кирилл Геннадьевич
Title: HYDROHAMMER
Abstract:
The invention relates to the mining and construction industries and is designed to increase the operating efficiency of a hydrohammer and simplify the design thereof. The indicated technical result is a hydrohammer, which comprises a pressure line and a drain line, a body with a hammer head fitted therein, a hydraulic power accumulator with hydraulic cavity and plunger located in the upper part of the body, the hydraulic power accumulator being in axial alignment with the hammer head, and where the end face of the plunger in operating condition, at the end opposite to the hydraulic cavity, is designed to be able to abut against the upper end face of the hammer head.