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. ...
The pneumatic pick is a kind of hand-held machine, the pneumatic pick is composed of the distribution mechanism, the impact mechanism and the pick rod. Therefore, the requirements of compact struct...
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...
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...
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...
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