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Guide drilling type pipe shed used for underground excavated channel

A tube shed and channel technology, which is applied in tunnels, tunnel linings, and earth-moving drilling and mining, etc., can solve problems such as poor bonding firmness, blocked tube shed steel pipes and increased equipment energy consumption, and achieves reduction of resistance and construction safety hazards. The effect of reducing energy consumption of equipment

Inactive Publication Date: 2020-12-29
侯江伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a guided drilling type pipe shed for underground excavation, which effectively solves the problem of poor bonding firmness between the steel pipe and the soil layer of the current pipe shed. , and the problem that the pipe shed steel pipe is greatly blocked when it is inserted, which increases the energy consumption of the equipment

Method used

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  • Guide drilling type pipe shed used for underground excavated channel
  • Guide drilling type pipe shed used for underground excavated channel
  • Guide drilling type pipe shed used for underground excavated channel

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment one, by figure 1 , figure 2 , image 3 , Figure 4 and Figure 5 Given, the present invention includes guide wall 1, installation hole 2, pipe shed steel pipe 3, grouting cavity 4, conical head 5, first inclined plane 6, guide groove 7, cavity 8, first slurry outlet 9, reinforcement Ring 10, connecting rib 11, second slope 12, second slurry outlet 13 and tooth groove 14, one end of guide wall 1 is uniformly provided with installation hole 2, and the installation hole 2 is inserted with pipe shed steel pipe 3, pipe shed steel pipe 3 There is a grouting cavity 4 inside, which is convenient for injecting mortar into the inside of the pipe shed steel pipe 3, overflowing from the second grout outlet 13 and bonding with the soil layer. When the shed steel pipe 3 reduces the resistance of the soil layer, one end of the conical head 5 is provided with a first slope 6, the surface of the conical head 5 is provided with a guide groove 7 in the circumferential dire...

Embodiment 2

[0024] Embodiment 2. On the basis of Embodiment 1, the guide wall 1 is composed of an arch frame, a guide pipe, steel bars and concrete. The upper end of the arch frame is evenly connected with a guide pipe, the outer end of the guide pipe is connected with a steel bar, and the outer end of the steel bar is poured with concrete. .

Embodiment 3

[0025] Embodiment 3, on the basis of Embodiment 1, the number of connecting ribs 11 is four groups, and the four groups of connecting ribs 11 are connected to the outer end of the pipe shed steel pipe 3 in a cross-symmetrical structure, so that the surrounding bearing capacity of the pipe shed steel pipe 3 is the same.

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Abstract

The invention relates to the technical field of pipe sheds, and discloses a guide drilling type pipe shed used for an underground excavated channel. The problems that at present, bonding firmness between a pipe shed steel pipe and a soil layer is poor, resistance is large when the pipe shed steel pipe is inserted in, and equipment energy consumption is increased are solved. The guide drilling typepipe shed comprises a guide wall, and mounting holes are uniformly formed in one end of the guide wall. According to the guide drilling type pipe shed, through reinforcing rings and connecting ribs arranged at the outer end of a pipe shed steel pipe and tooth grooves formed in the surfaces of one set of symmetrical connecting ribs, the pipe shed steel pipe can be effectively bonded with a surrounding soil layer through the reinforcing rings, the connecting ribs and the tooth grooves, guide pipes can be reinforced, the pipe shed structure can effectively support the soil layer above, then theintegrity and the stability of the pipe shed structure and the surrounding soil layer are greatly improved, and therefore the potential safety hazard of construction is reduced; and when the pipe shedsteel pipe is guided in, a conical head, a first inclined surface and a second inclined surface can break the soil layer, the resistance during insertion is effectively reduced, and therefore equipment energy consumption is reduced.

Description

technical field [0001] The invention belongs to the technical field of pipe sheds, and in particular relates to a guided drilling type pipe shed for underground excavation channels. Background technique [0002] The pipe shed is generally arranged along a part or all of the section of the underground project in a circular direction at a certain interval to form a steel pipe shed protection. [0003] In the prior art, the steel pipe of the pipe shed is usually a cylindrical structure. When the steel pipe is drilled into the borehole, the steel pipe is less stable due to its columnar shape, and the bonding firmness between the steel pipe and the soil layer is also relatively weak. Poor construction safety is low. In addition, when the steel pipe is inserted into the borehole due to the resistance of the soil layer, the drilling is greatly hindered, which makes the equipment consume a large amount of energy. Contents of the invention [0004] In view of the above situation, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/14E21D11/10
CPCE21D11/14E21D11/105
Inventor 侯江伟韩涛
Owner 侯江伟