Roof supporting device for fully mechanized coal mining face
The utility model relates to a roof supporting device for a fully mechanized coal mining face, and belongs to the field of coal mining auxiliary equipment. The top plate supporting device comprises abottom plate and a supporting plate, the base is fixedly connected to the upper surface of the bottom...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a roof supporting device for a fully mechanized coal mining face, and belongs to the field of coal mining auxiliary equipment. The top plate supporting device comprises abottom plate and a supporting plate, the base is fixedly connected to the upper surface of the bottom plate; the telescopic supporting rod is vertically arranged, the lower end of the telescopic supporting rod is a fixed end and is fixedly connected with the base, and the upper end of the telescopic supporting rod is an extension end; the supporting plate is horizontally arranged, and the lower surface of the supporting plate is fixedly connected with the end face of the extension end; and the hydraulic telescopic rod is horizontally arranged, the two ends of the hydraulic telescopic rod are fixedly connected with connecting bases correspondingly, and one connecting base is detachably connected with the base. By means of the roof supporting device, the fully mechanized coal mining face canbe moved forwards conveni |
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