Section roadway advance support device
The utility model discloses an advance support device for a section roadway. The device comprises a support frame and hydraulic props, a supporting frame is fixedly connected to the upper portions ofthe hydraulic supporting columns. I-shaped steel beams are fixedly arranged on the two sides of the u...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses an advance support device for a section roadway. The device comprises a support frame and hydraulic props, a supporting frame is fixedly connected to the upper portions ofthe hydraulic supporting columns. I-shaped steel beams are fixedly arranged on the two sides of the upper portion of the supporting frame correspondingly. A grating plate is laid on the upper end faceof an upper cross beam of the I-shaped steel beam. A first fixing frame with an upward opening is welded to the side end face of each upper cross beam. The two upper cross beams are connected througha second fixing frame with an upward opening; the bottom of the first fixing frame and the bottom of the second fixing frame are fixed to the supporting frame through connecting rods, a slag hopper is connected into the first fixing frame and the second fixing frame in a clamped mode, by using the device, safe supporting of the cross section of the roadway can be achieved, damage to the top beamcan be effectively prevented |
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