Profile

Mine column shoes one for coal and other mines, tunnels andother face support column shoes with a single pillar mining column shoes alsocalled single pillar column shoes, soles surface mine designed by column archedupward arc shaped surface, located only a recycling ears, ribs increased toeight. Stress state is good; stability, non slip, not skewed, can effectivelyreduce the amount of bottom pillar drill, under the same conditions isapproximately flat bottom drill column shoes amount of half to one-third, toensure initial support pillar forces and greet mountain Power, to improvesupport, and a light weight, high strength, saving materials and so on.

Characteristic

Mine column shoes is suitable for coal and other mines, tunnelsand other face support pillar column with shoes, mining column shoes feature isthe circular chassis has a cylindrical collar, in the cylindrical collarbetween the outer wall and the uniform circular chassis with ribs on thecylindrical symmetry safety collar has two fixed steel hoop ring. Mine columnshoes due to collar uniform between the outer wall and the chassis has ribs onthe collar add a fixed steel hoop ring, it has simple and reasonable structure,improve the supporting pillar stability of the shoe and the failure rate andlow.