Column shoes summary

Mine column shoes is applicable to coal mine and other mines, tunnels and other working face support with single prop column shoes mine column shoes also called single prop column, coal mine with sole surface design for arch upward arc surface, only set up a recycling ears, reinforcement increase to eight. Stress is good; Good stability, sliding, skew, can effectively decrease the bottom of the pillar drill, under the condition of the same column is approximately flat shoes drill bottom one-half to one-third of pillar at the beginning of the supporting force and can guarantee to meet mountain, improve the supporting, and have light weight, high strength, save material, etc.

Column shoes feature

Mine column shoes is a kind of applicable to coal mine and other mines, tunnels and other working face support with shoes, the backbone of the column mining pillar shoe is characterized by a cylinder in circular chassis type round collar, in the outer wall of cylinder type round collar has reinforced with circular uniformly distributed between the chassis, on top of the cylinder type round collar symmetry with two fixed hoops card ring. Mine column shoes because the collar around the outer wall between the chassis and uniform with stiffener, add a fixed on the round collar hoops card ring, so it is simple and reasonable structure, improve the stability of supporting column shoes and low damage rate.

Column shoes picture

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