Small tremie grouting machine for tunnel construction

A technology for tunnel construction and small conduits, which is applied in tunnels, tunnel linings, shaft linings, etc., and can solve problems such as time-consuming and energy-consuming, high repeatability, and unfavorable hole sealing

Active Publication Date: 2020-08-25
山东美固德新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the grouting pipe is taken out after the grouting is completed, the volume of the grouting pipe itself will cause the cement slurry inside the hole to have a gap after the grouting pipe is pulled out, which is not conducive to the complete sealing of the hole, and the grouting In the process of dismantling the connection between the machine and the grouting pipeline, the operation method is complicated and repetitive, which will consume extra time and energy

Method used

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  • Small tremie grouting machine for tunnel construction
  • Small tremie grouting machine for tunnel construction
  • Small tremie grouting machine for tunnel construction

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] like Figure 1-7 As shown, a small conduit grouting machine for tunnel construction provided by the present invention includes a cantilever 1, one end of the cantilever 1 is fixedly connected to a support plate 2, and a plurality of grouting devices 3 are arranged on the support plate 2;

[0026] The grouting device 3 includes a slider 31, and the side of the support plate 2 away from the cantilever 1 is provided with a plurality of chute 32, the slider 31 and the chute 32 are slidably connected one by one, and the slider 31 is fixedly connected with a support box 33 for supporting One end ...

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Abstract

The invention discloses a small tremie grouting machine for tunnel construction. The small tremie grouting machine comprises a cantilever, a supporting disc is fixedly connected to one end of the cantilever, and a plurality of grouting devices are arranged on the supporting disc; the grouting devices comprise sliding blocks, a plurality of sliding grooves are formed in the side, away from the cantilever, of the supporting disc, the sliding blocks are slidably connected with the sliding grooves in one-to-one correspondence, a supporting box is fixedly connected to the sliding blocks, an extending hole is formed in one end of the supporting box, an injection pipe is slidably connected into the extending hole, a storage pipe is fixedly connected to the outer side of the supporting box, a piston plate is slidably connected into the storage pipe, a pushing rod is fixedly connected to one side of the piston plate, the pushing rod extends to the outer part of the storage pipe, a conveying pipe is fixedly connected to the other end of the storage pipe, and the other end of the conveying pipe communicates with the injection pipe and is fixedly connected with the injection pipe. According tothe small tremie grouting machine, a grouting hole is grouted by the injection pipe, and meanwhile retracting is conducted, so that the grouting hole can be fully filled with cement slurry, and the foundation strengthening effect is improved.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to a small conduit grouting machine for tunnel construction. Background technique [0002] In the process of tunnel construction and putting into use, in the water-rich area where the tunnel is laid out, the inner wall of the tunnel may suddenly leak water. In severe cases, the overall service life of the tunnel will be affected. Therefore, it must be To seal and strengthen the leaking inner wall gaps, the staff usually cleans and reinforces the leaking area inside the tunnel, and then punches holes in the leaking gaps, and injects cement slurry into the holes for reinforcement. [0003] When the grouting pipe is taken out after the grouting is completed, the volume of the grouting pipe itself will cause gaps in the cement slurry inside the hole after the grouting pipe is pulled out, which is not conducive to completely sealing the hole, and the grouting In the process ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21D11/10
CPCE21D11/105
Inventor 不公告发明人
Owner 山东美固德新材料有限公司
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