CN109630775B - Pipeline splicing sealing method - Google Patents
Pipeline splicing sealing method Download PDFInfo
- Publication number
- CN109630775B CN109630775B CN201910089376.7A CN201910089376A CN109630775B CN 109630775 B CN109630775 B CN 109630775B CN 201910089376 A CN201910089376 A CN 201910089376A CN 109630775 B CN109630775 B CN 109630775B
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- China
- Prior art keywords
- elastic sealing
- sealing ring
- pipeline
- socket end
- wire
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- 238000007789 sealing Methods 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002131 composite material Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 14
- 238000010276 construction Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 11
- 229920001971 elastomer Polymers 0.000 description 19
- 239000005060 rubber Substances 0.000 description 19
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229920002725 thermoplastic elastomer Polymers 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L21/00—Joints with sleeve or socket
- F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
- F16L21/04—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings in which sealing rings are compressed by axially-movable members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Joints With Sleeves (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The invention discloses a pipeline splicing sealing method, which is a sealing method for realizing pipeline connection by cutting off an elastic sealing ring at a pipeline connection part by adopting a pull wire. The pipeline splicing sealing method can reduce the construction cost without using a thrust machine, improve the sealing reliability during installation and quickly finish the subsequent construction; the plugging is easy and the sealing effect is good; the risk that the elastic sealing ring is extruded and deviated when the socket slides in is avoided, and the installation efficiency and the installation accuracy are improved.
Description
Technical Field
The invention belongs to the technical field of pipeline splicing, relates to a pipeline splicing and sealing method, and particularly relates to a rubber sealing connection method of a pressure water pipe.
Background
The principle of the existing plug-in type pipeline rubber seal in any socket or spigot form is that the seal is obtained by the resilience force of a compressed rubber ring, the compression amount of the rubber ring is increased as much as possible by improving the sealing effect, the cross section size of the rubber ring and the size of the socket are increased, the processing difficulty of the socket is increased, great axial thrust is required during assembly and installation, plug-in construction can be completed by means of large hoisting machinery, special thrust (pull) machinery and the like, the installation efficiency is low, and the installation accuracy is low; meanwhile, the rubber ring has the risk of being extruded and deviated when the socket slides in, cannot be visually checked in real time, can be checked and removed only by follow-up pressing, and is very time-consuming and labor-consuming.
Disclosure of Invention
Aiming at the defects, the technical problem to be solved by the invention is to provide a pipeline splicing sealing method, which can reduce the construction cost without using a thrust machine, improve the sealing reliability during installation and quickly finish the subsequent construction; the plugging is easy and the sealing effect is good; the risk that the elastic sealing ring is extruded and deviated when the socket slides in is avoided, and the installation efficiency and the installation accuracy are improved.
In order to solve the technical problems, the invention adopts the following technical scheme: a pipeline splicing sealing method is a sealing method for realizing pipeline connection by cutting off an elastic sealing ring at a pipeline connection part by adopting a pull wire.
According to the optimized scheme, the elastic sealing ring is provided with the pull wire in a penetrating mode, the pull wire can cut the elastic sealing ring, and the length of the pull wire is based on pulling convenience.
Furthermore, the stay wire is made of high-strength composite wires or soft metal wires.
Further, the section of the elastic sealing ring is square.
Furthermore, at least two elastic sealing rings are arranged, each elastic sealing ring is sleeved between the two annular convex ribs at the socket end of the pipeline, each elastic sealing ring is in a tensioning state, and the positions of the pull wires on the two adjacent elastic sealing rings are arranged oppositely.
Furthermore, the included angle between the position of the pull wire on two adjacent elastic sealing rings and the connecting line of the axes of the pipelines is 180 degrees.
Furthermore, the spigot end is inserted into the socket end of another pipeline, the elastic sealing ring is in a tensioning state, and resistance is not produced in the insertion process.
Furthermore, after the socket end and the socket end are tightly inserted, the stay wire is pulled to break the elastic sealing ring, and the elastic sealing ring rebounds and completely fills the space between the two annular convex ribs.
Further, the method comprises the following steps:
firstly, a pull wire penetrates through the elastic sealing ring, the pull wire can cut off the elastic sealing ring, and the length of the pull wire is based on pulling;
at least two elastic sealing rings are arranged between the two annular convex ribs; each elastic sealing ring is sleeved between the two annular convex ribs at the socket end of the pipeline and is in a tensioning state, the positions of the pull wires on the two adjacent elastic sealing rings are oppositely arranged, and the included angle between the position of the pull wire on the two adjacent elastic sealing rings and the connecting line of the axis of the pipeline is 180 degrees;
inserting the spigot end into the socket end of another pipeline, and enabling the elastic sealing ring to be in a tensioning state without resistance in the insertion process;
after the socket end and the socket end are plugged tightly, pulling the pull wire to break the elastic sealing ring, and after the elastic sealing ring rebounds again, forming radial pressure on the outer wall of the socket end and the inner wall of the socket end at the two annular convex ribs, and forming axial pressure between the two elastic sealing rings; the space at the pipe joint is sealed.
After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:
the elastic sealing ring has a sealing effect by adopting the principle that the elastic sealing ring is excessively tensioned in advance and then rebounds, the whole inserting process is free from any friction force of the elastic sealing ring, the inserting force is small, the installation equipment is prevented from being rented/purchased in a construction site, and the construction cost is reduced; because rubber is not influenced by external force in the inserting process, the risk that the elastic sealing ring is extruded and deviated when the socket slides in is avoided, and the installation efficiency and the installation accuracy are improved.
In conclusion, the invention has the advantages of low construction cost, easy insertion and good sealing effect.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a cross-sectional view of the elastomeric seal ring of the present invention;
FIG. 2 is a schematic structural view of the elastic sealing ring of the present invention;
FIG. 3 is a view showing the state where the pulling wire of the present invention is passed through the elastic sealing ring;
FIG. 4 is a view showing the state in which the elastic sealing ring is cut by the pulling wire according to the present invention;
in the figure, the position of the upper end of the main shaft,
1-a socket end, 2-a socket end, 3-an annular convex rib, 4-an elastic sealing ring and 5-a stay wire.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1 to 4, the present invention provides a pipe plugging and sealing method, which comprises the following steps:
step one, the stay wire 5 penetrates through the center of the elastic sealing ring 4 and is pulled to the outer side of the elastic sealing ring 4 of the stay wire 5, and the length allowance of the stay wire 5 is sufficient, namely the length of the stay wire 5 can ensure that the length is convenient to pull when the stay wire 5 is pulled.
The section of the elastic sealing ring 4 is square.
The elastic sealing ring 4 can be made of rubber, silica gel, thermoplastic elastomer and the like.
The stay wire 5 can cut off the elastic sealing ring 4, and the stay wire 5 can be selected from a high-strength composite wire or a soft metal wire.
And step two, tensioning the two elastic sealing rings 4 to enable the end sections of the two elastic sealing rings to be tensioned, sleeving the tensioned and expanded elastic sealing rings 4 in the two annular convex ribs 3 of the pipeline socket end 1, arranging the pull wires 5 on the two elastic sealing rings 4 oppositely, and enabling the included angle between the positions of the pull wires 5 on the two elastic sealing rings 4 and the connecting line of the axis of the pipeline to be 180 degrees.
Step three, inserting the spigot end 1 into the spigot end 2 of another pipeline, and the elastic sealing ring 4 is in a tensioning state, and the insertion process has no resistance, and the inserted state is as shown in fig. 3;
step four, after the socket end (1) and the socket end (2) are tightly inserted, the pull wire (5) is pulled to break the elastic sealing ring (4), after the elastic sealing ring (4) rebounds again, radial pressure on the outer wall of the socket end (1) and the inner wall of the socket end (2) is formed at the two annular convex ribs (3), axial pressure is formed between the two elastic sealing rings (4) (the state after the elastic sealing rings are broken is shown in figure 4), and the two elastic sealing rings rebound in a relatively closed space, so that a good sealing effect is achieved; the space at the pipe joint is sealed.
In this embodiment, the number of the elastic sealing rings 4 is preferably two, but is not limited to two, and the specific number may be defined according to the distance between the two annular ribs 3 of the pipe socket end 1, and the distance between the two annular ribs 3 is filled.
Specifically, in order to achieve the above effects, the invention provides a rubber sealing connection method for a pressure water pipe, and the specific implementation materials include three materials as shown in the figure: the composite steel pipe capable of being freely spliced comprises a steel pipe splicing structure, an annular closed rubber ring and a high-strength composite wire, and the specific implementation method comprises the following steps: firstly, a high-strength composite wire is looped (shown in figure 3) to 2 rubber rings, the allowance is sufficient, then the two rubber rings are tensioned to compress the end sections of the two rubber rings, the compressed and expanded rubber rings are sleeved in the two ring ribs at the spigot end of the steel pipe, the relative position of the composite wire is fixed to 180 degrees, the spigot end is inserted into the socket end of another steel pipe, the rubber rings are in a compressed state, no resistance exists in the insertion process, and the inserted state is as shown in figure 3; after the insertion, the composite wire is pulled to break the two rubber rings, so that the rubber rings rebound to completely fill the space in the two ring ribs (the state after the breakage is shown in figure 4), and the two rubber rings fully rebound in the relatively closed space, thereby achieving a good sealing effect. The design method is developed and improved based on the CN 201020212742.8 sealing structure of the cable protection tube.
The invention adopts the principle that the elastic sealing ring is excessively compressed in advance and then rebounds to ensure that the elastic sealing ring has a sealing effect, the whole inserting process is free from any friction force of the elastic sealing ring, the inserting force is small, the equipment is prevented from being rented/purchased and installed on a construction site, and the construction cost is reduced; because rubber is not influenced by external force in the inserting process, the risk that the elastic sealing ring is extruded and deviated when the socket slides in is avoided, and the installation efficiency and the installation accuracy are improved.
In conclusion, the invention has the advantages of low construction cost, easy insertion and good sealing effect.
The foregoing is illustrative of the best mode of the invention and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (3)
1. A pipeline splicing and sealing method is characterized in that: the sealing method for realizing the pipeline connection is realized by cutting off the elastic sealing ring (4) at the pipeline connection position by adopting a pull wire (5); the method comprises the following steps:
step one, a pull wire (5) penetrates through an elastic sealing ring (4), the pull wire (5) can cut off the elastic sealing ring (4), and the length of the pull wire (5) is based on pulling;
at least two elastic sealing rings (4) are arranged between the two annular convex ribs (3); each elastic sealing ring (4) is sleeved between two annular convex ribs (3) of the socket end (1) of the pipeline, each elastic sealing ring (4) is in a tensioning state, pull wires (5) on two adjacent elastic sealing rings (4) are oppositely arranged, and an included angle between the position of the pull wire (5) on the two adjacent elastic sealing rings (4) and a connecting line of the axes of the pipeline is 180 degrees;
inserting the spigot end (1) into the socket end (2) of another pipeline, and enabling the elastic sealing ring (4) to be in a tensioning state without resistance in the insertion process;
step four, after the socket end (1) and the socket end (2) are plugged tightly, the pull wire (5) is pulled to break the elastic sealing ring (4), after the elastic sealing ring (4) rebounds again, radial pressure on the outer wall of the socket end (1) and the inner wall of the socket end (2) is formed at the two annular convex ribs (3), and axial pressure is formed between the two elastic sealing rings (4); the space at the pipe joint is sealed.
2. The pipe splicing and sealing method according to claim 1, wherein: the stay wire (5) is selected from a high-strength composite wire or a soft metal wire.
3. The pipe splicing and sealing method according to claim 1, wherein: the section of the elastic sealing ring (4) is square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089376.7A CN109630775B (en) | 2019-01-30 | 2019-01-30 | Pipeline splicing sealing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910089376.7A CN109630775B (en) | 2019-01-30 | 2019-01-30 | Pipeline splicing sealing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630775A CN109630775A (en) | 2019-04-16 |
| CN109630775B true CN109630775B (en) | 2021-04-02 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910089376.7A Active CN109630775B (en) | 2019-01-30 | 2019-01-30 | Pipeline splicing sealing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630775B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205621A (en) * | 1997-01-22 | 1998-08-04 | Nok Corp | Sealing device |
| CN2584959Y (en) * | 2002-11-28 | 2003-11-05 | 天地科技股份有限公司 | Hydraulic sealing retainer ring |
| CN201359173Y (en) * | 2009-01-15 | 2009-12-09 | 宝山钢铁股份有限公司 | Device for closing leakage of pipeline |
| CN207213487U (en) * | 2017-09-11 | 2018-04-10 | 天津倚通科技发展有限公司 | A kind of no-dig technique expands closing-type pipe-repairing |
| CN207848627U (en) * | 2017-12-26 | 2018-09-11 | 江苏毅合捷汽车科技股份有限公司 | A kind of sealing ring with oil-leakage-prevention function |
-
2019
- 2019-01-30 CN CN201910089376.7A patent/CN109630775B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10205621A (en) * | 1997-01-22 | 1998-08-04 | Nok Corp | Sealing device |
| CN2584959Y (en) * | 2002-11-28 | 2003-11-05 | 天地科技股份有限公司 | Hydraulic sealing retainer ring |
| CN201359173Y (en) * | 2009-01-15 | 2009-12-09 | 宝山钢铁股份有限公司 | Device for closing leakage of pipeline |
| CN207213487U (en) * | 2017-09-11 | 2018-04-10 | 天津倚通科技发展有限公司 | A kind of no-dig technique expands closing-type pipe-repairing |
| CN207848627U (en) * | 2017-12-26 | 2018-09-11 | 江苏毅合捷汽车科技股份有限公司 | A kind of sealing ring with oil-leakage-prevention function |
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| Publication number | Publication date |
|---|---|
| CN109630775A (en) | 2019-04-16 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Pipeline Insertion Sealing Method Granted publication date: 20210402 Pledgee: Kuiwen Sub Branch of Weifang Rural Commercial Bank Co.,Ltd. Pledgor: WEIFANG EAST PIPE INDUSTRY TECHNOLOGY Co.,Ltd. Registration number: Y2024980018963 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |