While-spraying diameter measuring device and rotary spraying drilling machine

The invention relates to a jet grouting diameter measuring device and a jet grouting drilling machine, comprising a mounting body which is arranged below the jet grouting drilling machine and goes deep into a jet grouting pile hole along with a drill bit; the umbrella-shaped structure is arranged on...

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Bibliographic Details
Main Authors LONG YUANQING, LIN ZONGHUI, ZHANG JIAMING, HUANG DINGLI
Format Patent
LanguageChinese
English
Published 02.12.2022
Subjects
EMBANKMENTS
EXCAVATIONS
FIXED CONSTRUCTIONS
FOUNDATIONS
HYDRAULIC ENGINEERING
SOIL SHIFTING
UNDERGROUND OR UNDERWATER STRUCTURES
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Summary:The invention relates to a jet grouting diameter measuring device and a jet grouting drilling machine, comprising a mounting body which is arranged below the jet grouting drilling machine and goes deep into a jet grouting pile hole along with a drill bit; the umbrella-shaped structure is arranged on the mounting body and is suitable for shrinking in the axial direction of the jet grouting pile hole or expanding in the side wall direction of the jet grouting pile hole; the driving piece is suitable for driving the umbrella-shaped structure to move until the end part of the umbrella-shaped structure is propped against the side wall of the jet grouting pile hole; the device has the beneficial effects that the real-time diameter of the jet grouting pile hole can be calculated, then construction parameters are adjusted, adjustment can be directly conducted in the construction process when deviation occurs, the construction efficiency is improved, the construction cost is reduced, and the construction efficiency is
Bibliography:Application Number: CN202211223369