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 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 ...
As a heavy industry with high capital and technology intensive, mining machinery provides advanced and efficient technical equipment for mining, deep processing of raw materials and large-scale eng...
Troubleshooting of rock drills
Common faults and treatment methods of air-leg rock drills
Fault 1: The rock drilling speed is reduced
(1) Causes of failure: First, the working air pressure is low; ...
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...