Bolt tension meter, Warner electrical, mining provided by Warner electromechanical meter with a bolt tension. Bolt tension meter, Warner electromechanical, electric bolt tension meter is the principle of Tai'an City, Warner Mechanical and Electrical Equipment Co., Ltd. (www.tahnjd.com) 2014 年 launched a new upgraded bolting: can be divided into focus (end) anchor and the total length of the former is to make the anchor bolt anchor head by fastening part and the other end by the end of the fundus inhibit tension surrounding rock deformation and loose. Can be divided into wedge joints anchor, expansion shell anchor, resin bolt prestressed cable. The latter is a rod with a hole through the wall of the cementing material, so that the entire length of the bolt in the rock and rock bonded together to produce anchoring effect. Including mortar anchor, resin bolt. Its way into mechanical anchoring anchor type (by friction from Anchorage) and bonded anchor (anchor role played by adhesion). Bolting principles: (1) strengthening arch (squeeze arch) by the action of the bolt so that the surrounding rock formation having a certain thickness to maintain its stability and preventing its external reinforcement arch rock loose to keep the surrounding rock stable. (2) the role of the bear hanging off the soft rock or wall rock suspended in the deep mine rock solid stability with the bolt tension meter, the anchor to bear the weight of the rock. (3) organizations beams in layered rock bolt action through the layers of rock to form a whole, increase its carrying capacity. On this basis, in order to prevent loose rocks and weathering sprayable 5-20CM mortar or concrete is shotcrete support. Mine gas trigger is Warner Mechanical and Electrical Equipment Co., Ltd. Tai'an City's main products, the following is a brief introduction of bolt tension calculations can visit our official website to see more details http://www.tahnjd.com/ BK20,30, 42,56 Mine Gas Explosion trigger products are safe, torque, light weight, small size, high efficiency, simple structure, easy maintenance and so on. BK20,30,42,56 Mine coal mine gas trigger to meet the requirements of large fluctuations in air pressure conditions, can be used for U-shaped steel bracket and tighten the nut and bolt bracket removal, stirring resin bolt to ensure that the U steel stents and stent performance anchor bolt tension meter, improve the quality of support. BK20,30,42,56 Mine gas trigger gas trigger can be widely used in automotive, shipbuilding, petrochemical, motor vehicles, construction and other industries. BK20,30,42,56 Mine gas trigger technical characteristics (rated pressure: 0.5MPa) BK20 Mine gas trigger applies to the M18 ~ M20 thread, BK30 Mine gas trigger applies to the M24 ~ M30 thread, BK42 Mine gas trigger applies to the M27 ~ M42 thread, BK56 Mine gas trigger applies to the M43 ~ M60 thread.