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 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...
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...
How to use rock drill
Rock drill is a simple, light and economical excavation machinery, widely used in road construction, infrastructure construction, mining and other industries. It is an importa...
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...