Guiding self-drilling type pipe shed steel pipe device for tunnel excavation and construction method

A tunnel excavation and self-drilling technology, which is applied in the direction of tunnels, tunnel linings, drill bits, etc., can solve problems such as hole collapse and poor bonding firmness, and achieve the effects of reducing hole expansion, improving construction efficiency, and shortening the construction period

Pending Publication Date: 2021-10-15
中电建路桥集团有限公司
View PDF17 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to overcome at least one of the deficiencies of the prior art. Aiming at the poor bonding firmness between the steel pipe of the pipe shed and the soil laye

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Guiding self-drilling type pipe shed steel pipe device for tunnel excavation and construction method
  • Guiding self-drilling type pipe shed steel pipe device for tunnel excavation and construction method
  • Guiding self-drilling type pipe shed steel pipe device for tunnel excavation and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Specific embodiments of the present invention will be described in detail below in conjunction with specific drawings. It should be noted that the combination of technical features or technical features described in the following examples should not be considered isolated, they can be combined with each other to achieve better technical effects. In the figures of the following examples, the same reference numerals as those in the drawings represent the same features or components, which can be applied to different embodiments.

[0028] like Figure 1 - Figure 3 As shown, the embodiment of the present invention is a guide to the tunnel excavation of the tunnel excavation, including the main drill bit 4 and the tube steel pipe 3; the outer circumference of the pipe 3 is set in the vertical axis direction. 7. A wedge-shaped bib 6 is provided between the axial side of the pipe shed steel pipe 3; the inner portion of the tube shed steel pipe 3 forms a grouting chamber 5, and a pl...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention relates to the technical field of pipe shed supporting, and provides a guiding self-drilling type pipe shed steel pipe device for tunnel excavation and a construction method. The guiding self-drilling type pipe shed steel pipe device comprises a main drill bit and a pipe shed steel pipe; a plurality of reinforcing rings are arranged on the periphery of the pipe shed steel pipe in the vertical axis direction, and wedge-shaped ribs are arranged between the adjacent reinforcing rings in the axis direction of the pipe shed steel pipe; a grouting cavity is formed in the pipe roof steel pipe, and a plurality of grout outlets are formed in the surface of the pipe roof steel pipe; the main drill bit is connected with a drill rod and connected with one end of the pipe shed steel pipe through a connecting piece. A guiding self-drilling type pipe shed comprises a guiding wall, a positioning point and the guiding self-drilling type pipe shed steel pipe device. According to the pipe shed steel pipe, the reinforcing rings and the wedge-shaped ribs can be effectively bonded with a peripheral soil layer, the steel pipe can be reinforced, the integrity and stability of a pipe shed structure and the peripheral soil layer are greatly improved, and potential safety hazards of construction are reduced; meanwhile, the drill bit is connected with the pipe shed steel pipe, related procedures of hole expanding and hole cleaning are reduced, the construction efficiency is improved, and the construction period is shortened.

Description

Technical field [0001] The present invention relates to the field of tube studios, and in particular, to a guided self-drilling tube steel pipe device, a shed and construction method for tunnel excavation. Background technique [0002] During the construction of the tunnel engineering, the tunnel surrounding rock often needs to be supported, and the general step is to be drilled and then clear, and then press the steel pipe into the hole. For soft rock tunnels, the phenomenon of collapse is easily occurring during the clearing process, which will reduce the efficiency of construction and improve the cost of the project. Further, the steel pipe currently used is cylindrical, and when the steel pipe is pressed into the hole, the binding of the steel pipe and the soil layer is poor, and the sliding phenomenon is easily blocked. How to make a fast quality and quantity completion of the construction of the pipeline need to design a new shed construction appliance. Inventive content ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): E21D11/14E21B10/42
CPCE21D11/14E21B10/42
Inventor 庞浩然陈小星马涛陈博楠王晓勇吕祥锋
Owner 中电建路桥集团有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap