Asymmetric column type roadside filling template for gob-side entry retaining and using method of asymmetric column type roadside filling template
The invention discloses an asymmetric column type roadside filling template for gob-side entry retaining and a using method of the asymmetric column type roadside filling template. The filling template comprises a metal support, a filling mold bag and connecting devices; the metal support is an asym...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses an asymmetric column type roadside filling template for gob-side entry retaining and a using method of the asymmetric column type roadside filling template. The filling template comprises a metal support, a filling mold bag and connecting devices; the metal support is an asymmetric frame structure consisting of vertical steel pipes, bottom steel plates and top connecting rods, and various components are supported and fixed in the metal support through the connecting devices; the filling mold bag is arranged outside the metal support and the connecting device, is made ofwaterproof fiber cloth, is completely supported by the metal support and is tightly attached to the metal support, steel bars are arranged outside the filling mold bag, opposite-pulling steel bars are arranged inside the filling mould bag, a hook is arranged on the top of the filling mold bag, and a filling opening is formed in the side, which is close to a gob-side roadway, of the mold bag. Theproblem of uneven stress a |
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