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Glass reinforced plastic sand inclusion jacking pipe with function of glass reinforced plastic connecting lantern ring

A technology of FRP sand inclusion and connecting ferrules, applied in the direction of pipes/pipe joints/fittings, pipes, rigid pipes, etc., can solve the problem that the long-term performance of steel ferrules is difficult to guarantee, the matching size error is too large, and it is difficult to ensure the impermeability. and other problems, to achieve the effect of simple structure, small connection and matching error, and long-term use performance.

Inactive Publication Date: 2018-09-14
江苏鑫航电力设备工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. Since the steel collar is made of steel plate, the manufacturing precision is not high, resulting in excessive size error and inconvenient installation;
[0005] 2. Due to the low accuracy of matching dimensions, the steel collar connection is only suitable for sealing performance under low pressure, and it is difficult to ensure its impermeability when the water pressure is high
[0006] 3. Due to the corrosion problem of the steel collar, it is difficult to guarantee the long-term performance of the steel collar;
[0007] 4. In the existing fixed-length winding process of FRP pipe jacking with sand inclusions, there is an axially reinforced cross-winding layer, which inevitably becomes a circumferential winding at both ends, resulting in weakening of the axial strength of the pipe end that directly bears the jacking force

Method used

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  • Glass reinforced plastic sand inclusion jacking pipe with function of glass reinforced plastic connecting lantern ring
  • Glass reinforced plastic sand inclusion jacking pipe with function of glass reinforced plastic connecting lantern ring
  • Glass reinforced plastic sand inclusion jacking pipe with function of glass reinforced plastic connecting lantern ring

Examples

Experimental program
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Effect test

example 1

[0032] Such as figure 1 , Figure 7 As shown, a glass fiber reinforced plastic sand-jammed jacking pipe with a glass fiber reinforced plastic connecting ring function includes a pipe body 4, one end of the pipe body 4 is a socket end 5, the other end is a socket end 3, a pipe body 4, a socket end 5, and a socket The end 3 is an integral structure, and the outer diameter of the socket end 5 corresponds to the inner diameter of the socket end 3; the ports of the socket end 5 and the socket end 3 are respectively provided with guiding inclined surfaces.

[0033] One rubber groove 6 is opened on the socket end 5, and there is one sealing rubber ring, and the sealing rubber ring is located in the rubber groove 6.

example 2

[0035] Such as figure 1 , Figure 8 As shown, a glass fiber reinforced plastic sand-jammed jacking pipe with a glass fiber reinforced plastic connecting ring function includes a pipe body 4, one end of the pipe body 4 is a socket end 5, the other end is a socket end 3, a pipe body 4, a socket end 5, and a socket The end 3 is an integral structure, and the outer diameter of the socket end 5 corresponds to the inner diameter of the socket end 3; the ports of the socket end 5 and the socket end 3 are respectively provided with guiding inclined surfaces.

[0036] There is a rubber groove 6 on the socket end 5, one sealing rubber ring, and the sealing rubber ring is located in the rubber groove 6. The inner side of the rubber groove 6 (toward the socket end) of the socket end 5 is provided with a grouting reduction Resistance hole 7.

example 3

[0038] Such as figure 1 , Picture 9 As shown, a glass fiber reinforced plastic sand-jammed jacking pipe with a glass fiber reinforced plastic connecting ring function includes a pipe body 4, one end of the pipe body 4 is a socket end 5, the other end is a socket end 3, a pipe body 4, a socket end 5, and a socket The end 3 is an integral structure, and the outer diameter of the socket end 5 corresponds to the inner diameter of the socket end 3; the ports of the socket end 5 and the socket end 3 are respectively provided with guiding inclined surfaces.

[0039] Two rubber grooves 6 are opened on the socket end 5, and there are two sealing rubber rings, and the sealing rubber rings are located in the rubber groove 6.

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Abstract

The invention belongs to the technical field of water supply and drainage of trenchless pipelines of municipal engineering, and particularly relates to a glass reinforced plastic sand inclusion jacking pipe. The glass reinforced plastic sand inclusion jacking pipe with a function of a glass reinforced plastic connecting lantern ring comprises a pipe body. One end of the pipe body serves as an insertion opening end, and the other end of the pipe body serves as a bearing opening end. The glass reinforced plastic sand inclusion jacking pipe is characterized in that the pipe body (4), the insertion opening end (5) and the bearing opening end (3) are of an integrated structure, and the outer diameter of the insertion opening end (5) corresponds to the inner diameter of the bearing opening end (3). The glass reinforced plastic sand inclusion jacking pipe has the advantages of being simple in structure, convenient to connect and reliable in performance.

Description

Technical field [0001] The invention belongs to the technical field of water supply and drainage of non-excavated pipelines in municipal engineering, and specifically relates to a glass fiber reinforced plastic sand-incorporated jacking pipe. Background technique [0002] In addition to the advantages of general pipe jacking construction, FRP sand-filled pipe jacking, as a new type of composite pipe, also has the characteristics of light weight, high strength, corrosion resistance and long life. Especially the characteristics of corrosion resistance and long life make it attract more attention, and the application of glass fiber reinforced plastic sand-filled pipe jacking is becoming more and more extensive. [0003] In the construction of the pipe jacking, the connection structure of the joint is very important. At present, all the FRP sand-filled pipe jacking adopts the steel collar joint connection form. This joint form satisfies the functions of connection guidance, sealing, g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L9/14F16L25/10
CPCF16L9/14F16L25/10
Inventor 刘英
Owner 江苏鑫航电力设备工程有限公司
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