Gangue blocking mechanism for hard roof goaf and mounting device
The utility model discloses a gangue blocking mechanism and a mounting device for a hard roof goaf, the gangue blocking mechanism comprises a gangue blocking upper section V steel and a gangue blocking lower section V steel, the top end part of the gangue blocking lower section V steel is overlapped...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a gangue blocking mechanism and a mounting device for a hard roof goaf, the gangue blocking mechanism comprises a gangue blocking upper section V steel and a gangue blocking lower section V steel, the top end part of the gangue blocking lower section V steel is overlapped with the bottom end part of the gangue blocking upper section V steel, the bottom end of the gangue blocking lower section V steel is fixedly connected with a base, and the gangue blocking upper section V steel is fixedly connected with the base. A lifting hook is fixedly connected to the outer side of the concave face of the gangue blocking upper section V steel, a pair of connecting clamping cables is arranged below the lifting hook, and the two connecting clamping cables are connected with the overlapped part of the gangue blocking upper section V steel and the gangue blocking lower section V steel at intervals. The mounting device comprises a mounting base, a telescopic rod is fixedly connected above the mount |
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