Troubleshooting of rock drills
Common faults and treatment methods of air-leg rock drills
Fault 1: The rock drilling speed is reduced
(1) Causes of failure: First, the working air pressure is low; ...
Drill pipe is an indispensable machine for mining machinery equipment. Drill pipe and drill bit are working devices of rock drill, which have great influence on the efficiency of rock drilling
Dril...
When the crawler drilling rig is constructed on a site with soft soil, the crawler and the rail link are easy to adhere to the soil. Therefore, the crawler should be adjusted slightly loose to prev...
1. Operate pneumatic rock drills workers,Before going down the well must wear good personal labor protection equipment.
2. Arriving at the workplace, first check the processing, knocking on the ro...
The use of air picks and precautions
air pick is a kind of manual pneumatic tool; it uses compressed air neon to push the reciprocating motion of the live package; it makes the head of the pick con...
On the morning of August 23, the State Council Information Office held a press conference. Minister of Commerce Wang Wentao, Vice Minister and Deputy Representative of International Trade Negotiati...