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 ...
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. ...
Pneumatic rock drills are mainly used for two purposes:
1. The rock drill is a stone mining machine that uses the rotation and impact of the steel drill to drill holes in the rock, and is also use...
On September 26, 2021, the 2021 China (Guangdong) International “Internet +” Expo (abbreviation: Guangdong “Internet +” Expo) hosted by the Guangdong Provincial Committee of...
The rock drill works according to the principle of impact crushing.
When working, the piston makes high-frequency reciprocating motion, constantly impacting the shank.
Under the action of the impac...
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...