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Mine column shoes one for coal and othermines, tunnels and other face support column shoes with a single pillar miningcolumn shoes also called single pillar column shoes, soles surface minedesigned by column arched upward arc shaped surface, located only a recyclingears, ribs increased to eight. Stress state is good; stability, non slip, notskewed, can effectively reduce the amount of bottom pillar drill, under thesame conditions is approximately flat bottom drill column shoes amount of halfto one-third, to ensure initial support pillar forces and greet mountain Power,to improve support, and a light weight, high strength, saving materials and soon.
Characteristic
Mine column shoes is suitable for coal andother mines, tunnels and other face support pillar column with shoes, miningcolumn shoes feature is the circular chassis has a cylindrical collar, in thecylindrical collar between the outer wall and the uniform circular chassis withribs on the cylindrical symmetry safety collar has two fixed steel hoop ring.Mine column shoes due to collar uniform between the outer wall and the chassishas ribs on the collar add a fixed steel hoop ring, it has simple andreasonable structure, improve the supporting pillar stability of the shoe andthe failure rate and low.
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