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Tunnel boring shield drive - has cutting wheel fitted in shield, arms fitted with cutting tools and work surface supported by cutting wheel
Tunnel boring shield drive - has cutting wheel fitted in shield, arms fitted with cutting tools and work surface supported by cutting wheel
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机译:隧道掘进式盾构驱动器-带有安装在盾构中的切割轮,配有切割工具的臂以及由切割轮支撑的工作面
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摘要
The support plates (14) against the cutting plane are located behind the cutting wheel (3), and the intermediate spaces (13) of the cutting wheel in front of the support plates open to the work surface form floor material build-up chambers. The cutting wheel is provided with fixed stops (16), against which the support plates in their closed position are subject to the effect of adjusters (15). The intermediate spaces narrow backwards from the work surface (4) to the support plates. The support surfaces are floatingly located, and against the force of the adjustment components are movable parallel in the direction of the shield axis and freely tippable. USE/ADVANTAGE - For tunnel boring where the floor is not solid.
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