Hand pushing type coal face auxiliary cutting and supporting device
The utility model belongs to the field of coalmine production auxiliary equipment and particularly relates to a hand pushing type coal face auxiliary cutting and supporting device. The device comprises a trolley. A lifting device is arranged on a trolley plate of the trolley. A supporting block is a...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model belongs to the field of coalmine production auxiliary equipment and particularly relates to a hand pushing type coal face auxiliary cutting and supporting device. The device comprises a trolley. A lifting device is arranged on a trolley plate of the trolley. A supporting block is arranged on the top of the lifting device, the bottom of the supporting block is horizontal, the top of the supporting block is provided with a U-shaped inner arc surface, and a supporting rod is fixedly arranged on the inner arc surface. The hand pushing type coal face auxiliary cutting and supporting device is simple in structure and reasonable in design, the trolley serves as a carrier of a hydraulic oil cylinder and moves in a coal mine, the operation that the hydraulic oil cylinder supports and protects a U-shaped beam in an auxiliary mode is fast and efficient, and the operation efficiency of workers is improved. |
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