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Bolt machine use matters needing attention

Precautions for use 1. Before drilling, it is necessary to ensure the stability of roof and coal gang and carry out safe operation. 2. Stop the bolt machine from being placed on the ground. As the drilling rig is flat on the ground, once the ventilation is misoperated, the air leg suddenly sticks out, which will cause accidents. 3, bolt machine drilling, stop wearing gloves to hold the drill pipe. 4. When the eye is opened, the drilling rig shall be stabilized to open the eye. 5, pneumatic bolting machine drilling, should be uniform speed plus atmospheric leg thrust, to prevent the formation of uneven thrust due to slow drilling speed, sticking, broken drill, chipping blade and other incidents. 6. Anchor Rig Return

2016

01-12

Current Situation and Development Trend of Bolt Drilling Machine at Home and Abroad

Bolt support is a kind of roadway support method developed rapidly in recent years. By anchoring the anchor in the rock, the mechanical state of the surrounding rock itself is improved, and the supporting body and the surrounding rock itself form a unified structure that can bear the load, so as to improve the strength of the rock itself, prevent or delay the deformation of the surrounding rock, and effectively maintain the integrity of the surrounding rock and the shape of the roadway section. Anchor drilling rig is the key construction equipment in the construction of bolt support. The construction speed of bolt support and the quality of support depend largely on the anchor drill. Bolt support drilling rig technology is one of the key technologies that affect the speed, quality and efficiency of bolt support construction.

2016

01-12

Brief Introduction of Anchor Rig

Bolt drilling rig is an indispensable tool in coal mine bolt support, and the development of bolt support requires a large number of bolt hole drilling equipment to ensure. Anchor drilling rig is also called anchor drilling rig in some places, which is a drilling tool in coal mine roadway bolt support work. It has outstanding advantages in improving the support effect, reducing the support cost, speeding up the speed of roadway, reducing the auxiliary transportation volume, reducing the labor intensity, and improving the utilization rate of roadway section. Anchor drilling rig is the key equipment of bolt support, which affects the quality of bolt support-the location, depth, accuracy of the hole and the installation quality of the bolt, and involves

2016

01-12

Pneumatic Anchor Rig Use and Maintenance

With the development of bolt support technology, as the main mechanical equipment in the production process of bolt support, the bolt drilling rig has developed from the original single function, poor reliability, low technical content and poor safety to today's new drilling rig with high reliability, good safety and high degree of automation. At present, the use status of some mine bolting rigs is not very good. It is often that a new drilling rig needs to be repaired on the ground in less than two months, which seriously affects normal production. Whether the anchor drill can work normally and whether it can be eliminated accurately and timely after the failure is to improve the support effect, speed up the speed of roadway, reduce labor intensity, improve production efficiency and improve

2016

01-12

The coal industry is in a critical period of turnaround and transformation and development.

Original title: the coal industry is in a critical period of turning losses out of difficulties and transformation and development) according to Wang Xiaolin, deputy director of the State Energy Administration of Xinhua News Agency, said a few days ago that at present, China's coal industry is in a critical period of turning losses out of difficulties and transformation and development, and it is necessary to effectively change the mode of development. Wang Xiaolin said at the 2016 National Coal Fair held in Inner Mongolia that from the perspective of domestic coal production capacity, the national coal production capacity exceeds 4 billion tons, and the production capacity under construction and suspended construction is still about 1.1 billion tons, which will aggravate the pressure of oversupply in the market. From the perspective of the international coal market, it is also facing problems such as corporate losses and mine closures. According to Wang Xiao

2016

01-12

Domestic thermal coal market is weak and stable

Domestic thermal coal market weak and stable operation, coal mines, sales in general, lack of confidence. Port: Q5500 for power coal in Qingang is reported to 540 yuan/ton, Q5000 is reported to 450-456 yuan/ton, Q4500 is reported to 405-420 yuan/ton, closing price including tax, and the transaction is normal. Tianjin Port Power Coal Steady Q5500 to 536 yuan/ton, Q5000 to 456 yuan/ton, Q4500 to 416 yuan/ton, closing price including tax; Caofeidian Power Coal Weak and Steady, Q5800 Yuan, Q5800 to 580 Yuan, Q5500

2016

01-12

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