TUNNEL EXCAVATED SOIL MEASURING DEVICE

To provide a tunnel excavation soil measuring device that can accurately measure an amount of excavated soil in real time.SOLUTION: A device for measuring excavated soil on a belt conveyor 2 installed on a shield tunneling machine 1 and equipped with a belt 21 having a conveying surface 21a for conv...

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Bibliographische Detailangaben
Hauptverfasser:	ICHIKAWA MASAMI, TANAKA HIRONORI, YAMADA YASUSHI, YAMAZAKI TOMOTAKA, TSUCHIMOTO HIROYUKI, ITO KENJI, NAKAYAMA TAKUTO, NAKAMURA TAIZO, KOBAYASHI OSAMU
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES GYROSCOPIC INSTRUMENTS LARGE UNDERGROUND CHAMBERS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING DISTANCES, LEVELS OR BEARINGS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MINING NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS SHAFTS SURVEYING TESTING TUNNELS
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Beschreibung
Zusammenfassung:	To provide a tunnel excavation soil measuring device that can accurately measure an amount of excavated soil in real time.SOLUTION: A device for measuring excavated soil on a belt conveyor 2 installed on a shield tunneling machine 1 and equipped with a belt 21 having a conveying surface 21a for conveying tunnel excavated soil, is provided with a surface scanner 3 that radiates a laser along the width direction of the belt conveyor 2 and also over the direction of travel to obtain point group data on the conveying surface 21a side of the belt 21; and volume measuring means 41 for measuring volume of the excavated soil based on the surface point group data.SELECTED DRAWING: Figure 2 【課題】掘削土量をリアルタイムで正確に測定できるトンネル掘削土測定装置を提供すること。【解決手段】シールド掘進機１に設けられ、トンネル掘削土を搬送する搬送面２１ａを有するベルト２１を備えるベルトコンベア２の掘削土測定装置であって、ベルトコンベア２の幅方向に沿ってレーザー照射するとともに進行方向にわたってもレーザーを照射して、ベルト２１の搬送面２１ａ側の点群データである表面点群データを取得する表面スキャナー３と、表面点群データに基づいて、掘削土の体積を測定する体積測定手段４１とを備える。【選択図】図２