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...
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. ...
Precautions:
1. Before using the air pick, lubricate the air pick with oil.
2. When using the air picks, there should be no less than 3 spare air picks, and the continuous working time of each air ...
Introduction to Mining Electric Tricycles: Mining electric tricycles are equipped with high-power brushless motors, maintenance free batteries, and strong climbing ability., And configure a hydraul...
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...
The air-leg rock drill relies on compressed air to drive the piston to reciprocate. During the stroke, the piston strikes the shank tail, and during the return stroke, the piston drives the drill t...