The pick is a kind of pneumatic tool which is widely used in mining industry and construction industry. But how to reduce the vibration of the pick handle has become an urgent technical problem to ...
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...
The hand-held rock drill was introduced by Ingersoll-RandCo. in 1912. According to the power form, it is divided into four categories: pneumatic, hydraulic, electric and internal combustion drive. ...
TCA-7(G7) air picks are widely used in crushing operations in construction, coal mining,infrastructure development and other fields. Air pick TCA-7(G7) has mature technology is durable, lightweight...
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...
In the 2nd century BC, China has used manpower and used bamboo bow elastic force to make the cone drill bit impact the ground to drill. Later, it was used in rural China for a long time. It was not...