CN206158766U - Oil gas pipeline shield tunnel segment joint waterproof seal structure - Google Patents
Oil gas pipeline shield tunnel segment joint waterproof seal structure Download PDFInfo
- Publication number
- CN206158766U CN206158766U CN201621184354.7U CN201621184354U CN206158766U CN 206158766 U CN206158766 U CN 206158766U CN 201621184354 U CN201621184354 U CN 201621184354U CN 206158766 U CN206158766 U CN 206158766U
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- water bar
- shield tunnel
- waterproof sealing
- oil
- gas pipes
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Abstract
The utility model relates to an oil gas pipeline shield tunnel segment joint waterproof seal structure belongs to the high water pressure water -proof design field of oil gas pipeline shield tunnel. An oil gas pipeline shield tunnel segment joint waterproof seal structure, from the top down is equipped with in proper order: go up the water bar, waterproof gasket and lower water bar, go up the water bar and paste in the outer end of seam face both sides through the adhesive, all reserved the sealed slot water bar slot under with that fills up in the seam face both sides of two adjacent sections of jurisdiction, wherein, waterproof gasket pastes the sealed ditch inslot that fills up, the water bar is pasted down lower water bar ditch inslot. The sealed implementation of elasticity of shield tunnel segment seam can reach the engineering -waterproof requirement, just simple, the stable performance of joint waterproof seal structure, and used material all can factory produced, job site can the direct mounts, convenient operation.
Description
Technical field
This utility model is related to a kind of oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure, belongs to oil and gas pipes shield
The high hydraulic pressure waterproofing design field in structure tunnel.
Background technology
As shield tunnel is more and more extensive in the application of oil and gas pipes field, natural environment is run into also more and more badly,
At present the waterproofing design pressure of conventional shield ring plate seam is 0.6MPa or so, when operation hydraulic pressure reaches 1.2Mpa, conventional seams
Waterproof sealing design can not meet requirement, affect safety, reliability and the durability of shield tunnel.
Utility model content
To solve oil and gas pipes duct pieces of shield tunnel seam waterproof problem at high water pressures, the purpose of this utility model exists
In a kind of oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure of offer.
The purpose of this utility model is achieved through the following technical solutions：
A kind of oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure, is sequentially provided with from top to bottom：Upper water bar, prevents
Water seal washer and lower water bar；The upper water bar is pasted onto the outermost end of joint face both sides by adhesive, in adjacent two pipes
The joint face both sides of piece are reserved with sealing gasket groove and lower water bar groove, wherein, the waterproof sealing gasket is pasted onto described
In sealing gasket groove, the lower water bar is pasted onto in the lower water bar groove.
Further, the material of the upper water bar and lower water bar is hydro-expansive rubber or polyurethane elastomer.
Further, the waterproof sealing gasket is ethylene propylene diene rubber (EPDM) or ethylene propylene diene rubber and water-swellable rubber
The composite of glue.
Further, the waterproof sealing gasket is porous type EPDM gum elastic composite gland bush, by ethylene propylene diene rubber
Formed by coextru-lamination with hydro-expansive rubber；The porous type EPDM gum elastics composite gland bush is " M " type structure.
Further, in the shield tunnel of a diameter of 4250mm, the porous type EPDM gum elastic composite gland bush
Cross-sectional width be 36mm, depth of section is 16mm, wherein, ethylene propylene diene rubber highly be 15mm, hydro-expansive rubber arrange
In " M " type section tip, and height is 1mm.
Further, the cross-sectional width of the upper water bar is 20mm, and depth of section is 5mm；The lower water bar cut
Face width is 15mm, and depth of section is 5mm.
Further, the sealing gasket groove is dovetail groove, and its a width of 33mm suitable for reading, a width of 39mm of lower mouth are highly
7mm。
Further, the seam waterproof sealing structure at adjacent two sections of jurisdiction ring joint face is arranged at along joint face ring cloth
Put；It is arranged at the seam waterproof sealing structure at adjacent two sections of jurisdiction longitudinal seam face to be longitudinally arranged along joint face.
The beneficial effects of the utility model are：
Duct pieces of shield tunnel seam waterproof sealing structure described in the utility model high hydraulic pressure effect under, porous type EPDM bullets
Property rubber composite gland bush in the range of specific seam joint open, contact stress is almost unchanged, and be difficult permanent compression and
Cause stress relaxation and permanent deformation.Produced by the deformation of the porous type EPDM gum elastics composite gland bush internal holes
Internal stress, is allowed to produce huge stress and hermetic seal in two contact surfaces.Upper water bar and lower water bar are respectively arranged on many
Inside and outside pass EPDM gum elastic composite gland bush, can stop that silt particle acts on sealing pad body, it is ensured that sealing gasket
Durability use requirement, while simultaneous effect for playing auxiliary waterproof, to strengthen waterproof, under 1.2MPa hydraulic pressure, seam is opened and wrong
When dynamic, the elastic packing of duct pieces of shield tunnel seam implements that engineering waterproofing requirement can be reached.Seam described in the utility model is prevented
Watertight construction its simple structure, stable performance, and material therefor can be made with factory, and job site can be mounted directly,
It is easy to operate.
Description of the drawings
Fig. 1 is duct pieces of shield tunnel seam waterproof sealed structural representation described in the utility model；
Fig. 2 is the porous type EPDM gum elastics composite gland bush sectional view；
Fig. 3 is the upper water bar sectional view；
Fig. 4 is the lower water bar sectional view；
Wherein, 1- sections of jurisdiction, the upper water bars of 2-, 3- waterproof sealing gaskets, water bar under 4-, 5- ethylene propylene diene rubber rubber, 6-
Hydro-expansive rubber.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit this utility model.
Embodiment
As shown in figure 1, oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure described in the utility model is prevented by three roads
Water-bound is constituted, and is sequentially provided with from top to bottom：Upper water bar 2, waterproof sealing gasket 3 and the road waterproof construction of lower water bar 4 three；It is described
Joint face both sides are reserved with sealing gasket groove and lower water bar groove, wherein, the waterproof sealing gasket 3 is pasted onto the sealing
In pad groove, the lower water bar 4 is pasted onto in the lower water bar groove, and the upper water bar 2 is pasted onto by adhesive
The outermost end of the joint face both sides of adjacent two section of jurisdiction 1, that is, meet water surface side.
The material of the upper water bar 2 and lower water bar 4 is hydro-expansive rubber or polyurethane elastomer.
The waterproof sealing gasket 3 is that ethylene propylene diene rubber (EPDM) or ethylene propylene diene rubber are compound with hydro-expansive rubber
Material, waterproof sealing gasket 3 described in the present embodiment adopts porous type EPDM gum elastic composite gland bush, by ethylene propylene diene rubber
Formed by coextru-lamination with hydro-expansive rubber；The porous type EPDM gum elastics composite gland bush is " M " type structure.
In the embodiment of the shield tunnel of a diameter of 4250mm, with the seam waterproof sealing structure at ring joint face
For embodiment, as shown in Fig. 2 the cross-sectional width of the porous type EPDM gum elastic composite gland bush is 36mm, depth of section
For 16mm, wherein, ethylene propylene diene rubber is highly 15mm, and hydro-expansive rubber is arranged in " M " type section tip, and height is
1mm.As shown in Figure 3,4, the cross-sectional width of the upper water bar 2 is 20mm, and depth of section is 5mm；The lower water bar 4 cut
Face width is 15mm, and depth of section is 5mm.The center of the upper water bar 2 and porous type EPDM gum elastic composite gland bush
Away from for 35mm, the porous type EPDM gum elastics composite gland bush is 30mm with the centre-to-centre spacing of lower water bar 4.The sealing gasket
Groove is ring plate dovetail groove, its a width of 33mm suitable for reading, and a width of 39mm of lower mouth, is highly 7mm.
The present embodiment can guarantee that stability, the sealing of duct pieces of shield tunnel under 1.2MPa hydraulic pressure.This utility model is tied
Structure is simple, stable performance, and material therefor can be made with factory, and job site can be mounted directly, easy to operate.
Preferred embodiment of the present utility model is the foregoing is only, this utility model is not limited to, for this
For the technical staff in field, this utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (8)
1. a kind of oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure, it is characterised in that be sequentially provided with from top to bottom：On
Water bar (2), waterproof sealing gasket (3) and lower water bar (4)；The upper water bar (2) is pasted onto adjacent two pipe by adhesive
The outermost end of piece (1) joint face both sides, the joint face both sides are reserved with sealing gasket groove and lower water bar groove, wherein,
The waterproof sealing gasket (3) is pasted onto in the sealing gasket groove, and the lower water bar (4) is pasted onto the lower water bar groove
It is interior.
2. oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure according to claim 1, it is characterised in that described
The material of upper water bar (2) and lower water bar (4) is hydro-expansive rubber or polyurethane elastomer.
3. oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure according to claim 1, it is characterised in that described
Waterproof sealing gasket (3) is ethylene propylene diene rubber (EPDM) or the composite of ethylene propylene diene rubber and hydro-expansive rubber.
4. oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure according to claim 1, it is characterised in that described
Waterproof sealing gasket (3) is porous type EPDM gum elastic composite gland bush, is passed through with hydro-expansive rubber by ethylene propylene diene rubber
Coextru-lamination is formed；The porous type EPDM gum elastics composite gland bush is " M " type structure.
5. oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure according to claim 4, it is characterised in that straight
For in the shield tunnel of 4250mm, the cross-sectional width of the porous type EPDM gum elastic composite gland bush is 36mm, section in footpath
Highly it is 16mm, wherein, ethylene propylene diene rubber is highly 15mm, and hydro-expansive rubber is arranged in " M " type section tip, and height
For 1mm.
6. oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure according to claim 5, it is characterised in that described
The cross-sectional width of upper water bar (2) is 20mm, and depth of section is 5mm；The cross-sectional width of the lower water bar (4) is 15mm, is cut
Face is highly 5mm.
7. oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure according to claim 6, it is characterised in that described
Sealing gasket groove is dovetail groove, its a width of 33mm suitable for reading, and a width of 39mm of lower mouth, is highly 7mm.
8. oil and gas pipes duct pieces of shield tunnel seam waterproof sealing structure according to claim 1, it is characterised in that described
Segments' joints waterproofing sealing structure is arranged at adjacent two sections of jurisdiction ring joint face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184354.7U CN206158766U (en) | 2016-10-27 | 2016-10-27 | Oil gas pipeline shield tunnel segment joint waterproof seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621184354.7U CN206158766U (en) | 2016-10-27 | 2016-10-27 | Oil gas pipeline shield tunnel segment joint waterproof seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206158766U true CN206158766U (en) | 2017-05-10 |
Family
ID=58657555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621184354.7U Active CN206158766U (en) | 2016-10-27 | 2016-10-27 | Oil gas pipeline shield tunnel segment joint waterproof seal structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206158766U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952777A (en) * | 2018-09-21 | 2018-12-07 | 中铁第四勘察设计院集团有限公司 | A kind of novel combined waterproof sealing gasket of shield tunnel |
| CN109209434A (en) * | 2018-10-31 | 2019-01-15 | 上海隧道工程有限公司 | Built-in type section of jurisdiction gasket and its built-in process |
| CN115949438A (en) * | 2023-03-15 | 2023-04-11 | 中铁第六勘察设计院集团有限公司 | Ultrahigh water pressure shield segment joint structure and waterproof method |
-
2016
- 2016-10-27 CN CN201621184354.7U patent/CN206158766U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108952777A (en) * | 2018-09-21 | 2018-12-07 | 中铁第四勘察设计院集团有限公司 | A kind of novel combined waterproof sealing gasket of shield tunnel |
| CN109209434A (en) * | 2018-10-31 | 2019-01-15 | 上海隧道工程有限公司 | Built-in type section of jurisdiction gasket and its built-in process |
| CN115949438A (en) * | 2023-03-15 | 2023-04-11 | 中铁第六勘察设计院集团有限公司 | Ultrahigh water pressure shield segment joint structure and waterproof method |
| CN115949438B (en) * | 2023-03-15 | 2023-05-05 | 中铁第六勘察设计院集团有限公司 | Super-high water pressure shield segment joint structure and waterproof method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: China National Petroleum Corp. |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190903 Address after: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee after: China Petroleum Pipeline Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Co-patentee after: CHINA PETROLEUM PIPELINE ENGINEERING Corp. Address before: 100007 Beijing, Dongzhimen, North Street, No. 9, No. Co-patentee before: China Petroleum Pipeline Engineering Co.,Ltd. Patentee before: CHINA NATIONAL PETROLEUM Corp. |
|
| TR01 | Transfer of patent right |