RU95100219A

RU95100219A - Immersed pneumatic striker

Info

Publication number: RU95100219A
Application number: RU95100219/03A
Authority: RU
Inventors: А.В. Белоусов
Original assignee: Институт горного дела СО РАН
Priority date: 1995-01-10
Filing date: 1995-01-10
Publication date: 1996-11-20
Also published as: RU2090729C1

Abstract

FIELD: well drilling. SUBSTANCE: exhaust pipe is made in the form of cylinder 20 with radial slots 22 and 23 and blind bottom 21, secured in central channel 18 of drill bit 17 on the side of open face. Accumulating chamber 24 open to travel chamber 13 is formed beyond blind bottom 21 of cylinder 20 in the central channel of striking piston 12. EFFECT: enhanced operate reliability and striking capacity at the expense of simplified exhaust path, enhanced strength of the exhaust pipe made in the form of blind bottom cylinder and radial slots, simplified design of striking piston, as well as due to increased accumulating volume of travel chamber. 2 cl, 1 dwg

Claims

Предложенный погружной пневмоударник позволяет повысить эксплуатационную надежность и ударную мощность за счет упрощения выхлопного тракта, повышения прочности выхлопного патрубка, выполненного в виде стакана с глухим дном и радиальными пазами, упрощения конструкции ударного поршня, а также за счет увеличения аккумулирующего объема камеры рабочего хода. Для этого выхлопной патрубок, выполненный в виде стакана 20 с радиальными пазами 22 и 23 и глухим дном 21, закреплен со стороны открытого торца в центральном канале 18 буровой коронки 17, а за глухим дном 21 стакана 20 в центральном канале ударного поршня 12 образована аккумулирующая камера 24, открытая в камеру рабочего хода 13.The proposed submersible hammer makes it possible to increase operational reliability and impact power by simplifying the exhaust path, increasing the strength of the exhaust pipe made in the form of a glass with a blank bottom and radial grooves, simplifying the design of the shock piston, and also by increasing the accumulating volume of the working stroke chamber. For this, the exhaust pipe, made in the form of a cup 20 with radial grooves 22 and 23 and a blind bottom 21, is fixed from the open end in the central channel 18 of the drill bit 17, and an accumulation chamber is formed behind the blind bottom 21 of the cup 20 in the central channel of the shock piston 12. 24, open to the chamber of the stroke 13.