MANHOLE BARREL FRAME REMOVING DEVICE AND BARREL FRAME REMOVING METHOD

To provide a manhole barrel frame removing device and a barrel frame removing method which eliminate the need for whole circumference cutting of pavement where a manhole barrel frame is to be embedded and can shorten the excavation time of pavement.SOLUTION: A manhole barrel frame removing device 1...

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Bibliographic Details
Main Authors KAWAMURA NOBUE, ABE HIROAKI, SAKAKIBARA MITSUHIKO, IMAI YUSUKE, SANO MASAKAZU, YOSHIMOTO HIROKI, KIMURA TAKASHI, SUZUKI NAOTO
Format Patent
LanguageEnglish
Japanese
Published 03.10.2022
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:To provide a manhole barrel frame removing device and a barrel frame removing method which eliminate the need for whole circumference cutting of pavement where a manhole barrel frame is to be embedded and can shorten the excavation time of pavement.SOLUTION: A manhole barrel frame removing device 1 is provided with: a central shaft 11 extending in a vertical direction; an arm 20 that extends from the central shaft 11 in the radial direction of the central shaft 11 and is not only rotatable around the central shaft 11 but moveable vertically; and an excavation device 30 that is placed at a tip of the arm 20 and is capable of excavating the ground even when the arm 20 is not in a rotating state.SELECTED DRAWING: Figure 1 【課題】マンホール胴枠を内包する舗装の全周切断を不要とし、舗装の掘削時間の短縮化を図ることができるマンホール胴枠撤去装置および胴枠撤去方法を提供する。【解決手段】マンホール胴枠撤去装置１は、上下方向に延びる中心シャフト１１と、中心シャフト１１から中心シャフト１１の径方向に延び、中心シャフト１１を中心に回動可能であるとともに上下方向に移動可能なアーム２０と、アーム２０の先端に設けられ、アーム２０が回動しない状態であっても地面を掘削可能な掘削装置３０とを備える。【選択図】図１
Bibliography:Application Number: JP20210044699