| 摘要 |
A multi road cutting apparatus for repairing a manhole is provided to improve the cuttability by controlling the size of the cut line according to the various sizes of manholes. A multi road cutting apparatus for repairing a manhole comprises a fixing unit(110), rotating support unit(120), a tie bar(130), a moving cart(140) and a cut out unit(150). The bottom end of the fixing unit is positioned on the upper side of a manhole cover(2). The rotating support unit is supported at the top part of the fixing unit. One end of the tie bar is assembled with joints(131,131a) at the rotating support unit. The joint is equipped in the external side of the rotating support unit. The moving cart is connected to the other end part of the tie bar with a clamping unit(135). The moving cart is separated from the tie bar in the unclamping of the clamping unit. The moving cart comprises a plurality of moving wheels(141). The cut out unit moves as circular or linear type with the power of an actuator(144) along with the moving cart. |
