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SOIL REMOVING DEVICE OF UNDERGROUND LAYING DEVICE WITH LARGE DIAMETER FOR CONTROLLING SOIL REMOVING EFFECTIVELY AND FOR EXECUTING STABLE WORK BY MAINTAINING REGULAR EARTH PRESSURE BALANCE OF CUTTER HEAD
SOIL REMOVING DEVICE OF UNDERGROUND LAYING DEVICE WITH LARGE DIAMETER FOR CONTROLLING SOIL REMOVING EFFECTIVELY AND FOR EXECUTING STABLE WORK BY MAINTAINING REGULAR EARTH PRESSURE BALANCE OF CUTTER HEAD
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机译：大直径地下敷设装置的排土装置，可有效控制排土并通过保持刀头的常规土压力平衡来执行稳定的工作
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摘要
PURPOSE: A soil removing device of an underground laying device with large diameter is provided to easily control the balance of excavated soil and the discharged soil and accordingly to prevent an excavated side from being collapsed by excessive input of the sediment by driving a cutter head excavating the excavated side and a screw conveyor for returning the excavated sediment by separate driving devices. CONSTITUTION: A soil removing device of an underground laying device with large diameter is composed of a screw conveyor(14) for returning the sediment inserted into the device to the rear side by the rotation of a cutter head; a rotary transfer unit(18) having an isolating chamber(20) for receiving the sediment returned by the screw conveyor and rotating and transferring the sediment by rotating the isolating chamber around the conveyor shaft; a soil removing pipe(6) disposed at the predetermined rotational position of the isolating chamber to communicate with the isolating chamber; and a suction unit for sucking in the sediment in the soil removing pipe.
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