| 摘要 |
Tubing ring for fixation of vertical shafts of mine workings consists of metal tubings arranged as cylindrical segments connected to each other through sealing vertical pads and openings at vertical sides with bolt joints with hydro-insulation and pressing washers. At the outer surface of the wall of each segment outer round and vertical reinforcement ribs are provided, and at the inner surface – inner round rigidity ribs that form inner caissons. On the upper caisson of each tubing at center backfill opening is arranged, with reinforcement for threaded plug-gate, and in the lower rib of the caisson two pairs of tackle openings are provided, those have same separation from vertical axis of symmetry of the tubing, in the lower side of that one in triangular boss coaxially with plugging one inclined filling opening is provided. In plugging and filling openings threaded plugs in working condition are installed. |
