Protective device for tunnel water and mud burst construction and using method
The invention provides a tunnel water burst and mud burst construction protection device and a using method, the tunnel water burst and mud burst construction protection device comprises a box-shaped fence, the box-shaped fence is formed by connecting four vertical plates 1 end to end, rotating shaf...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention provides a tunnel water burst and mud burst construction protection device and a using method, the tunnel water burst and mud burst construction protection device comprises a box-shaped fence, the box-shaped fence is formed by connecting four vertical plates 1 end to end, rotating shafts are movably arranged in the vertical plates, the upper ends of the rotating shafts are connected with the power output end of a motor, and the lower ends of the rotating shafts are connected with drill bits through drill rods; the motor is fixed on the vertical plate 1 through a bracket; an electric telescopic rod is connected to the inner wall of the vertical plate, a connecting plate is connected to the telescopic end of the electric telescopic rod, and a bottom plate is fixed to the connecting plate; a water pipe is arranged on the bottom plate, the upper end of the water pipe is connected with a connecting pipe, the lower end of the water pipe is connected with a box body, the connecting pipe is connected wi |
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