CN215334976U - Pipe joint of HDPE (high-density polyethylene) lined reinforced concrete composite pipe - Google Patents
Pipe joint of HDPE (high-density polyethylene) lined reinforced concrete composite pipe Download PDFInfo
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- CN215334976U CN215334976U CN202121575330.5U CN202121575330U CN215334976U CN 215334976 U CN215334976 U CN 215334976U CN 202121575330 U CN202121575330 U CN 202121575330U CN 215334976 U CN215334976 U CN 215334976U
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- bellmouth
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Abstract
The utility model belongs to the field of pipe jacking engineering, and provides a reinforced concrete composite pipe joint interface lined with HDPE (high-density polyethylene), which particularly comprises a socket and a bellmouth, wherein the inner side ends of the bellmouth and the socket are provided with notches, and the inner side of the reinforced concrete pipe joint is lined with the HDPE lining; a socket steel ring and a wedge-shaped sealing rubber ring are arranged on the outer side of the socket, and the HDPE lining extends to a notch at the end part of the socket; a multi-layer composite board or a furuncle-removing pine board gasket is arranged between the socket and the bellmouth of the adjacent pipe joints, and a gap at the end part of the inner side of the bellmouth is filled with the two-component polysulfide sealant. The utility model has the advantages of ensuring the sealing performance of the seam of the jacking pipe and simultaneously having good corrosion resistance.
Description
Technical Field
The utility model belongs to the field of pipe jacking engineering, and particularly relates to a reinforced concrete composite pipe joint interface lined with HDPE.
Background
The composite pipe joint is a pipe joint which is made of two or more materials. It can make the performance advantages of different materials complementary, and can attain the several purposes in construction and use engineering. The common composite pipe joint is a composite pipe with a reinforced concrete and plastic lining, such as a reinforced concrete-glass reinforced plastic composite pipe, a reinforced concrete-HDPE composite pipe, a reinforced concrete-PVC composite pipe and the like, and the pipe joints can adapt to pipe jacking construction and have enough anticorrosion performance in use engineering by utilizing the good compression and deformation resistance of the reinforced concrete and the good anticorrosion performance of plastic materials. The utility model aims at the method of connecting the composite pipe joint.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reinforced concrete composite pipe joint interface lined with HDPE, which ensures the sealing property of the seam of a jacking pipe and has good corrosion resistance.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a reinforced concrete composite pipe joint interface lined with HDPE comprises a socket and a bellmouth, wherein the inner side ends of the bellmouth and the socket are provided with notches, and the inner side of the reinforced concrete pipe joint is lined with the HDPE lining; a socket steel ring and a wedge-shaped sealing rubber ring are arranged on the outer side of the socket, and the HDPE lining extends to a notch at the end part of the socket; a multi-layer composite board or a furuncle-removing pine board gasket is arranged between the socket and the bellmouth of the adjacent pipe joints, and a gap at the end part of the inner side of the bellmouth is filled with the two-component polysulfide sealant.
Further, the outer side of the multi-layer composite board or the furuncle-removing pine board liner is filled with the two-component polysulfide sealant.
Further, the root inner side of the socket steel lantern ring is provided with an expansion rubber strip, and two sides of the expansion rubber strip are provided with steel bar retaining rings.
Furthermore, two wedge-shaped sealing rubber rings are arranged at the socket, and a socket steel ring is arranged on the front side of each wedge-shaped sealing rubber ring.
Furthermore, the socket steel lantern ring is connected with the socket of the pipe joint through anchor bars, and the socket steel ring is connected with the socket of the pipe joint through anchor bars.
The utility model has the advantages of three:
1. during jacking construction, a first wedge-shaped rubber ring hooped at the front end of the jacking pipe can be used as a positioning device inserted into the steel lantern ring, so that a jacking pipe joint can be smoothly inserted into the steel sleeve;
2. 2 wedge-shaped rubber rings are adopted for water stop sealing on the outer side, so that the sealing performance of the seam of the jacking pipe can be ensured;
3. the HDPE of the lining is broken at the joint, so that the lining does not participate in the stress condition of the water pressure inside and outside the pipe joint, and the lining effect is ensured. The broken part is filled with the two-component polysulfide sealant, so that the weak part also has certain corrosion resistance.
Drawings
FIG. 1 is a schematic view of a pipe joint of a HDPE-lined reinforced concrete composite pipe;
the figure includes: HDPE inside lining 1, bellmouth steel lantern ring 2, expansion rubber strip 3, reinforcing bar retaining ring 4, socket steel ring 5, wedge sealing rubber circle 6, multilayer composite board or remove furuncle pine plank packing 7, two ingredient polysulfide sealant 8.
Detailed Description
The utility model is further illustrated below with reference to specific examples of embodiments of the utility model.
As shown in fig. 1, the reinforced concrete composite pipe joint comprises a bell mouth and a spigot, the end part of the inner side of the bell mouth is provided with a notch, an HDPE lining 1 is arranged in the reinforced concrete pipe joint, a bell mouth steel lantern ring 2 is connected with the bell mouth of the pipe joint through an anchor bar, an expansion rubber strip 3 is pasted at the root part of the bell mouth steel lantern ring 2, two sides of the expansion rubber strip 3 are limited through a steel bar retaining ring 4, and the inner side HDPE lining 1 is lined to the notch of the end part of the inner side of the bell mouth; the outer side of the socket is sequentially provided with a socket steel ring 5, a wedge-shaped sealing rubber ring 6, a socket steel ring 5 and a wedge-shaped sealing rubber ring 6, wherein the socket steel ring 5 is connected with the socket of the pipe joint through an anchor bar, and an inner side HDPE lining 1 is lined to a notch at the end part of the socket; inserting the socket into the socket, filling the outer side with the two-component polysulfide sealant 8, and adopting a multi-layer composite board or a furuncle-removing pine board gasket 7 in the middle; and filling the notch at the inner side with the two-component polysulfide sealant 8 after the top pipe is finished.
The compressed thickness of the multi-layer composite board or the furuncle-removing pine board gasket 7 is 18mm, the width of the gap at the end part of the inner side of the bellmouth is 15mm, and the depth is 5 mm.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the utility model, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive effort by those skilled in the art.
Claims (5)
1. A reinforced concrete composite pipe joint interface lined with HDPE comprises a socket and a bellmouth, wherein the inner side ends of the bellmouth and the socket are provided with notches, and the inner side of the reinforced concrete pipe joint is lined with the HDPE lining; a socket steel ring and a wedge-shaped sealing rubber ring are arranged on the outer side of the socket, and the HDPE lining extends to a notch at the end part of the socket; a multi-layer composite board or a furuncle-removing pine board gasket is arranged between the socket and the bellmouth of the adjacent pipe joints, and a gap at the end part of the inner side of the bellmouth is filled with the two-component polysulfide sealant.
2. The reinforced concrete composite pipe joint according to claim 1, wherein the outer side of the multi-layer composite plate or the furuncle-removing pine plate liner is filled with the two-component polysulfide sealant.
3. The reinforced concrete composite pipe joint according to claim 1, wherein an expansion rubber strip is arranged on the inner side of the root of the socket steel lantern ring, and reinforcing steel bar retaining rings are arranged on two sides of the expansion rubber strip.
4. The reinforced concrete composite pipe joint according to claim 1, wherein two wedge-shaped sealing rubber rings are arranged at the socket, and a socket steel ring is arranged on the front side of each wedge-shaped sealing rubber ring.
5. The reinforced concrete composite pipe joint according to claim 1, wherein the socket steel collar is connected to the pipe joint socket by anchor bars, and the socket steel ring is connected to the pipe joint socket by anchor bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575330.5U CN215334976U (en) | 2021-07-12 | 2021-07-12 | Pipe joint of HDPE (high-density polyethylene) lined reinforced concrete composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121575330.5U CN215334976U (en) | 2021-07-12 | 2021-07-12 | Pipe joint of HDPE (high-density polyethylene) lined reinforced concrete composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215334976U true CN215334976U (en) | 2021-12-28 |
Family
ID=79566550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121575330.5U Active CN215334976U (en) | 2021-07-12 | 2021-07-12 | Pipe joint of HDPE (high-density polyethylene) lined reinforced concrete composite pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215334976U (en) |
-
2021
- 2021-07-12 CN CN202121575330.5U patent/CN215334976U/en active Active
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