Coal mining tunneling channel reinforcing device
The utility model belongs to the technical field of coal mining, and discloses a coal mining tunneling channel reinforcing device which comprises two mounting plates, the front portions and the rear portions of the upper ends of the two mounting plates are each fixedly connected with two hydraulic s...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model belongs to the technical field of coal mining, and discloses a coal mining tunneling channel reinforcing device which comprises two mounting plates, the front portions and the rear portions of the upper ends of the two mounting plates are each fixedly connected with two hydraulic supporting columns, and the hydraulic supporting columns are fixedly connected with the hydraulic supporting columns. Supporting mechanisms are jointly and fixedly connected between the upper ends of the two hydraulic supporting columns on the front side and between the upper ends of the two hydraulic supporting columns on the rear side, and fixing frames are jointly and fixedly connected between the middles of the opposite faces of the two hydraulic supporting columns on the left side and between the middles of the opposite faces of the two hydraulic supporting columns on the right side in a penetrating and penetrating mode. Supporting columns are fixedly connected to the middles of the outer surfaces of the two fi |
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