News dynamics

Chinese one-piece chip bit

2024-04-03

The one-shaped sheet bit is a rock drilling tool product with a history of nearly one hundred years. The domestic annual output reached about 35 million when it was the most.


What are the ways for rock drilling tools to break rocks?

2024-03-27

There are many kinds of rock drilling tools, which can be divided into three categories according to the working principle of rock. Percussion drilling type, rotary crushing type and rotary scraping type. The energy transmitted through rock drilling machinery is directly impacted or scraped by hard alloy embedded in the top of rock drill bit to achieve the purpose of crushing rock and drilling holes.


What is a rock drilling tool? What is the difference between a drilling tool and a drill?

2024-03-25

A rock drilling tool is a tool for drilling round holes (blastholes) in rock for filling explosives. Rock drilling tools used by rock drills (drill tail, drill rod, connecting sleeve, drill head) are called drilling tools. Drilling tools (drill pipe, drill bit, etc.) with large hole diameter such as down-the-hole drill and tooth wheel drill are called drilling tools. In the field of rock drilling and blasting, these tools are collectively referred to as rock drilling tools.


Troubleshooting of Rock Drill Truck Inoperative after Power Replacement

2024-03-15

After working for more than 6 months, a Boomer282 full hydraulic rock drilling rig suddenly appeared the following failure phenomena: when 380V power is used as the power source, its work is completely normal, but when the charger is used for charging, its indicator light shows that the battery is not charged properly; When the diesel engine is used as the power source, the hydraulic system of the trolley cannot work.


Fault Analysis of Hydraulic System of Rock Drilling Jumbo

2024-03-01

Rock drilling jumbo, also known as "drilling jumbo", is a kind of rock drilling equipment, mainly used for tunnel construction. Our company introduced the first NH178 rock drilling jumbo in 1993. The jumbo has the characteristics of hydraulic control, gas path control, circuit control, waterway control and complex system, and plays a key role in tunnel operation. In this paper, combined with the work practice, the cause of the failure of the hydraulic system of the NH178 drilling rig is analyzed. The hydraulic system failure of the NH178 trolley can be divided into: early stage failure, usability failure and failure caused by improper selection of oil materials; according to the failure phenomenon, it can be divided into: system out of control, system


Tang Juxing, academician of the Chinese Academy of Engineering: Fighting on the Plateau to Find Mines and serve the country

2024-02-20

With the "big country" in mind, we will unswervingly serve the geological prospecting cause. Over the past 28 years, he has been carrying out the original mission of "serving the country by geology" with practical actions, taking it as his duty for the country to find more and better geological and mineral treasures, and sticking to the alpine mountains of Tibet above 5km above sea level. As the chief scientist and the person in charge of the prospecting and exploration demonstration project of China Gold, Chinalco, Zijin Mining and other enterprises, he presided over or mainly participated in the exploration and evaluation of 10 large and super large deposits, submitting 38.75 million tons of copper as metal resources, which is nearly 4 times of the accumulated copper resources found in Dexing Copper Ore Field, China's largest copper mine, in addition to gold 6


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