ANTO MINING EQUIPMENT CO.,LTD
Split Set Friction Rock Stabilizers (Friction Bolts)- Rock Bolts for Reliable Ground Support
Split Set Friction Rock Stabilizers (Friction Bolts)- Rock Bolts for Reliable Ground Support Split Set friction rock stabilizers are widely used for underground or above ground applications in mines, tunnels, slopes, or wherever reliable ground support is needed. Friction rock bolts produce superior
Construction of pipe joint anchor rod in mine shaft support engineering(3)
5. Application of pipe joint bolt(split set bolt) in roadway support 5.1 Main technical requirements for pipe joint anchors The surface of the pipe joint anchor rod should be flat without bending, and the pipe joint anchor rod itself shall not be deformed, and the surface shall be smooth. There are no cracks or air bubbles in the joints of the pipe joint anchors. The tray should be able to move freely. The best slit opening should be between 1700 and 1900.
Construction of pipe joint anchor rod in mine shaft support engineering(2)
Construction of pipe joint anchor rod in mine shaft support engineering 3. Technical performance of pipe joint anchor rod 3.1 Installation of pipe joint anchor rod and its supporting properties and characteristics The pipe seam installation process is simpler than other forms of
Construction of pipe joint anchor rod in mine shaft support engineering(1)
Construction of pipe joint anchor rod in mine shaft support engineering Abstract: Anchor Bolt support is gradually widely used in modern mines because of its low cost, good supporting effect and low labor intensity, and it has been widely promoted and applied in the coal industry. The technical principles and corresponding theories of bolt support are described. There are
Anchor rod classification--Rebar bolt(Threaded steel bolt)
Rebar bolt(Threaded steel bolt) The anchor rod is made of threaded steel bars. The processing technology is as follows: first cut the outer surface of one end of the bar (length 80-100) on a lathe (or squeeze it with special equipment) into a circle with a diameter that m
Anchor rod classification--Metal Anchor,Pipe joint anchor rod
ⅠMetal Anchor Metal anchors can be divided into three categories: mechanical, pipe joint, and bonded according to their anchoring form.
Anchor rod classification At present, there are many types of anchor rods used for support. According to the anchoring length between them and the supported body, they can be divided into concentrated anchor type anchor rods and full-length anchor type anchor rods. Concentrated anchor bolt refers to the bolt in which only part of the bolt device and the rod body is in contact with the wall of the bo
Left-handed full thread steel bolt
Left-handed full thread steel bolt The one-way left-handed rebar bolt without longitudinal reinforcement can be used in all kinds of mines and underground projects, and is especially suitable for the support of coal tunnels with wire mesh. It has achieved good technical and economic effects.
Anchor bolt support(2) KEYWORDS:Coal Mine Rock Anchor Bolt;Underground Mining Anchor Rod
Anchor bolt support Anchor bolt support is a reinforcement support method used in surface engineering such as slope, deep foundation pit of rock and soil, underground chamber construction such as tunnel and stope.Using metal parts, wood parts, polymer parts or other materials to make p
The difference between rock bolts and cable bolts
The difference between rock bolts and cable bolts The difference between the two is only a quantity, not a qualitative difference, but a different tension medium. The tension member of the cable bolts is made of steel strands, and the rock bolt is the main steel of high-strength finish-rolled rebar. Usually, the cable bolt is used in large-tonnage anchoring projects.
Safety technical measures for the test of rock anchor bolt pulling force(2)
(Keywords:Test;Mining Rock Anchor Bolt;Split Set Bolt;Friction Rock Bolt) Ⅳ Detection method
Safety technical measures for the test of rock bolt pulling force(1)
Safety technical measures for the test of rock bolt pulling force and cable bolt pre-tightening force
Advantages and Features of Split set bolt
Advantages of Split set bolt: Split set bolt has simple operation and convenient use. It has anchorage in the underground anchor and shotcrete support. It has strong strength, high tensile strength and strong expansion force, which makes the whole roof become one body.
Working Principle of Split Set Bolt
Split set bolt: Split set bolt, also called split set stabilizer, is an indispensable advanced material for underground mining support. Split set
3 Mining friction bolt manufacture process: Process flow: do a good job of knocking on the top→clicking the eye→punching the eye→blowing the eye→installing 4 Problems with mining friction bolt support in practical application 4.1 Quality tracking is not in place. The construction quality management system is not perfect, and the technical quality of the employees is low. Some employees use hammers to make the diameter thin and the seam widt
Abstract: As a more effective support method in roadway construction, mining friction bolt support has been widely used and promoted in our mine tunnel driving process. However, there are still some problems in the actual operation of pipe joint bolt support in our mine. Taking corresponding measures will have important guiding significance for the construction of mining friction bolt support in the future. Keywords: mining friction bolt; mining support; problem; countermeasure
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