CN212929067U - High-sealing sleeve type glass fiber reinforced plastic pipeline with internal and external pressure test - Google Patents
High-sealing sleeve type glass fiber reinforced plastic pipeline with internal and external pressure test Download PDFInfo
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- CN212929067U CN212929067U CN202021139494.9U CN202021139494U CN212929067U CN 212929067 U CN212929067 U CN 212929067U CN 202021139494 U CN202021139494 U CN 202021139494U CN 212929067 U CN212929067 U CN 212929067U
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- reinforced plastic
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- 238000012360 testing method Methods 0.000 title claims abstract description 143
- 239000011152 fibreglass Substances 0.000 title claims abstract description 61
- 238000007789 sealing Methods 0.000 title claims abstract description 31
- 210000001503 joint Anatomy 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 6
- 239000011229 interlayer Substances 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000000565 sealant Substances 0.000 description 4
- 238000004804 winding Methods 0.000 description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model discloses a high-tightness sleeve type glass fiber reinforced plastic pipeline with internal and external pressure tests, which comprises glass fiber reinforced plastic pipeline bodies, wherein two adjacent glass fiber reinforced plastic pipeline bodies are connected through a sleeve, the two glass fiber reinforced plastic pipeline bodies are in butt joint, the sleeve is arranged outside the two glass fiber reinforced plastic pipeline bodies, two grooves are respectively arranged at two ends of the inner side of the sleeve, rubber rings are arranged in the grooves, and the sleeve, the rubber rings and the glass fiber reinforced plastic pipeline bodies form a sealing structure; the end part of the glass fiber reinforced plastic pipeline body is provided with a first pressure testing hole, and a first pressure testing nozzle is arranged in the first pressure testing hole; two ends of the sleeve are respectively provided with a second pressure testing hole, and a second pressure testing nozzle is arranged in the second pressure testing hole; the utility model has the advantages that: the internal pressure test can be carried out, the sealing performance is improved, the pressure test device is simplified, and higher pressure grade can be realized.
Description
Technical Field
The utility model relates to a FRP pipe way, specifically speaking are telescopic FRP pipe way of high leakproofness of inside and outside pressure testing belongs to FRP pipe way field.
Background
The glass fiber reinforced plastic pipe is a widely applied pipe in China, and when the glass fiber reinforced plastic pipe is installed, in order to verify whether the glass fiber reinforced plastic pipe is installed perfectly, the pipe joint needs to be subjected to pressure testing after installation to determine the effectiveness of installation and sealing of the pipe joint. Traditional fixed length winding socket joint formula connects can connect experimental, accomplishes the limit and installs the limit experiment, has improved the reliability of pipeline. The novel continuous winding pipeline has the advantages of high strength, high production rate, stable product quality and the like, but the connection mode is sleeve type, the sleeve type joint cannot be used for joint test, or even if an internal test method is adopted, the test method is slow in test, the test pressure is low and the like, and the problem of joint test cannot be fundamentally solved. In the prior art, the equipment for the small pressure test of the pipe joint of the sleeve joint is heavy and the test pressure is low, and the relatively simple mode of testing pressure between two rubber rings can only be applied to the socket joint. Compression of the telescopic joint is typically performed internally, as shown in fig. 1, in which: 1-a sleeve; 2-rubber ring; 3-a pipe joint; 4-air bag; 5-air bag pressure testing nozzle; 6-a steel framework; 7-pressure test holes; after the pipe joint 3 is inserted into the sleeve 1, the sealing is carried out through the rubber ring 2, the sealing of the sleeve joint is realized, and because the connection mode of the sleeve joint does not form a closed space, an external device, a pipeline and the sleeve form a closed space, and then the pressure test of the joint is carried out, and the concrete realization method is as follows: inject compressed air into 4 gasbags through 5 gasbags of pressure testing mouth, gasbag 4 expands, carries out in close contact with the inner wall of pipe joint 3, forms an airtight space, then through 7 water injection pressure tests in pressure testing hole, connects the test, and the shortcoming is: the testing device is heavy, and the air bag can bear low pressure, so that the testing pressure is low, and the testing efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a telescopic FRP pipe way of high leakproofness of inside and outside pressure testing can carry out inside pressure testing, has improved the leakproofness, has simplified pressure testing device, can realize higher pressure rating.
The technical scheme of the utility model is that:
a high-tightness sleeve type glass fiber reinforced plastic pipeline with internal and external pressure tests comprises glass fiber reinforced plastic pipeline bodies, wherein two adjacent glass fiber reinforced plastic pipeline bodies are connected through a sleeve, the two glass fiber reinforced plastic pipeline bodies are in butt joint, the sleeve is arranged outside the two glass fiber reinforced plastic pipeline bodies, two grooves are formed in two ends of the inner side of the sleeve, rubber rings are arranged in the grooves, and the sleeve, the rubber rings and the glass fiber reinforced plastic pipeline bodies form a sealing structure;
the end part of the glass fiber reinforced plastic pipeline body is provided with a first pressure test hole, the first pressure test hole is arranged between two grooves at each end, a first pressure test nozzle is arranged in the first pressure test hole, the water inlet end of the first pressure test nozzle is positioned at the inner side of the glass fiber reinforced plastic pipeline body, the water outlet end of the first pressure test nozzle is positioned at the outer side of the glass fiber reinforced plastic pipeline body, and the water outlet end of the first pressure test nozzle is respectively positioned between two rubber rings at the end;
the both ends of sleeve are equipped with second pressure testing hole respectively, the second pressure testing hole sets up twice at each end between the recess, the downthehole second pressure testing mouth that is equipped with of second pressure testing, the end of intaking of second pressure testing mouth is located the telescopic outside, the play water end of second pressure testing mouth is located the telescopic inboard.
By dividing a joint into two closed spaces, the tightness test of two ends of the joint is realized.
The inner diameter of the sleeve is matched with the outer diameters of the two glass fiber reinforced plastic pipeline bodies, the sleeve and the two pipelines are made of the same material, and the sleeve can be made of glass fiber reinforced plastic materials.
The first pressure testing nozzle and the second pressure testing nozzle are both of hollow structures.
And a sealing structure such as sealant is arranged between the periphery of the first pressure testing nozzle and the glass fiber reinforced plastic pipeline body.
And a sealing structure such as sealant is arranged between the periphery of the second pressure test nozzle and the sleeve.
The utility model discloses combine two kinds of pressure testing modes, one kind is established the pressure testing mouth at the inside pressure testing of FRP pipe way, and another kind is established the pressure testing mouth at external sleeve. According to different environments, after the installation is completed, the sleeve and the glass fiber reinforced plastic pipeline interlayer pressure testing nozzle are opened firstly, the test is carried out, the sealing performance of the interlayer, if the sleeve is sleeved and the pressure test is completed, the glass fiber reinforced plastic pipeline pressure testing nozzle can be directly opened for detecting the internal condition of the glass fiber reinforced plastic pipeline, the internal test of the pipeline is carried out, and the test is carried out as the test of an integral test pipeline and a sleeve. The pressure testing nozzle is arranged in the inner drilling hole, so that the pressure testing can be still carried out after the pipeline is installed and backfilled, and the sealing performance of the backfilled pipeline is tested; for the condition that dynamic load exists outside the pipeline, when evacuation maintenance is carried out in the non-water delivery operation period of the pipeline, the pipeline can enter the pipeline, and the tightness of the pipeline is detected at any time; to the relatively poor operating mode of groundwater level height or soil bearing capacity, outside pressure testing can't go on, adopts the utility model discloses above-mentioned problem has been solved to inside pressure testing
When a pipeline is installed, a pipeline joint is inserted into a sleeve, the pipeline joint and the sleeve are sealed through compression of rubber rings, two grooves and two sealing rubber rings are respectively arranged at two ends of the sleeve, the pipeline joint and the rubber rings form a sealing structure, and the structure is independently realized at two ends of one joint; then drilling two small holes at corresponding positions on the pipeline joint, installing a first pressure test nozzle on the pipeline joint through a sealing gasket and a fixing nut, ensuring the tightness between the first pressure test nozzle and the sleeve, simultaneously drilling two small holes at corresponding positions on the sleeve, and installing a second pressure test nozzle on the sleeve through the sealing gasket and the fixing nut; the pressure testing nozzle is of a hollow structure, water can be injected into a closed space formed by the sleeve, the pipeline joint and the rubber ring from the hollow structure for pressure testing, the pressure is increased to 1.5 times of the working pressure, and whether the structure formed by the sleeve, the pipeline joint and the rubber ring can meet the working condition requirement or not is tested
The utility model has the advantages that: according to different environments, after the installation is completed, the sleeve and the glass fiber reinforced plastic pipeline interlayer pressure testing nozzle are opened firstly, the test is carried out, the sealing performance of the interlayer, if the sleeve is sleeved and the pressure test is completed, the glass fiber reinforced plastic pipeline pressure testing nozzle can be directly opened for detecting the internal condition of the glass fiber reinforced plastic pipeline, the internal test of the pipeline is carried out, and the test is carried out as the test of an integral test pipeline and a sleeve.
The present invention will be further explained with reference to the drawings and examples.
Drawings
FIG. 1 is a schematic view of a conventional compression mechanism for a slip joint;
fig. 2 is a schematic structural view of a high-tightness sleeve type glass fiber reinforced plastic pipeline for internal and external pressure testing of the embodiment of the utility model.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
Example 1
As shown in fig. 2, the high-sealing sleeve type glass fiber reinforced plastic pipeline for internal and external pressure testing comprises glass fiber reinforced plastic pipeline bodies 3, two adjacent glass fiber reinforced plastic pipeline bodies 3 are connected through a sleeve 1, the two glass fiber reinforced plastic pipeline bodies 3 are butted, the sleeve 1 is arranged outside the two glass fiber reinforced plastic pipeline bodies 3, two grooves 8 are respectively arranged at two ends of the inner side of the sleeve 1, and a rubber ring 2 is arranged in each groove 8, so that the sleeve 1, the rubber ring 2 and the glass fiber reinforced plastic pipeline bodies 3 form a sealing structure;
a first pressure test hole is formed in the end part of the glass fiber reinforced plastic pipeline body 3, the first pressure test hole is formed between two grooves 8 at each end, a first (sealed) pressure test nozzle 9 is arranged in the first pressure test hole, the water inlet end of the first pressure test nozzle 9 is positioned on the inner side of the glass fiber reinforced plastic pipeline body 3, the water outlet end of the first pressure test nozzle 9 is positioned on the outer side of the glass fiber reinforced plastic pipeline body 3 (on the inner side of the sleeve 1), and the water outlet end of the first pressure test nozzle 9 is respectively positioned between two rubber rings 2 at the end;
the both ends of sleeve 1 are equipped with second pressure testing hole respectively, the second pressure testing hole sets up the twice at each end between the recess 8, the downthehole second (sealed) pressure testing mouth 9 ' that is equipped with of second pressure testing, the end of intaking of second pressure testing mouth 9 ' is located the outside of sleeve 1, the end of water outlet of second pressure testing mouth 9 ' is located the inboard of sleeve 1 (the outside of FRP pipe way body 3).
By dividing a joint into two closed spaces, the tightness test of two ends of the joint is realized.
The inner diameter of the sleeve 1 is adapted to the outer diameters of the two FRP pipe bodies 3, and the sleeve 1 and the two pipes are made of the same material and can be made of FRP materials.
The first pressure testing nozzle and the second pressure testing nozzle are both of hollow structures.
And a sealing structure such as sealant is arranged between the periphery of the first pressure testing nozzle 9 and the glass fiber reinforced plastic pipeline body 3.
And a sealing structure such as sealant is arranged between the periphery of the second pressure testing nozzle 9' and the sleeve 1.
The utility model discloses combine two kinds of pressure testing modes, one kind is established the pressure testing mouth at the inside pressure testing of FRP pipe way, and another kind is established the pressure testing mouth at external sleeve. According to different environments, after the installation is completed, the sleeve and the glass fiber reinforced plastic pipeline interlayer pressure testing nozzle are opened firstly, the test is carried out, the sealing performance of the interlayer, if the sleeve is sleeved and the pressure test is completed, the glass fiber reinforced plastic pipeline pressure testing nozzle can be directly opened for detecting the internal condition of the glass fiber reinforced plastic pipeline, the internal test of the pipeline is carried out, and the test is carried out as the test of an integral test pipeline and a sleeve.
When the pipeline is installed, the glass fiber reinforced plastic pipeline body is inserted into the sleeve, the glass fiber reinforced plastic pipeline body and the sleeve are sealed through compression of the rubber ring, two grooves and two sealing rubber rings are respectively arranged at two ends of the sleeve, so that the sleeve, the glass fiber reinforced plastic pipeline body and the rubber ring form a sealing structure, and the structure is respectively and independently realized at two ends of a joint; then drilling two small holes at corresponding positions on the fiber reinforced plastic pipeline body 3, installing a first pressure test nozzle on the fiber reinforced plastic pipeline body 3 through a sealing gasket and a fixing nut, ensuring the sealing property between the first pressure test nozzle and a sleeve, simultaneously drilling two small holes at corresponding positions on the sleeve 1, and installing a second pressure test nozzle on the sleeve 1 through a sealing gasket and a fixing nut; the pressure testing nozzle is of a hollow structure, water can be injected into a closed space formed by the sleeve, the glass fiber reinforced plastic pipeline body and the rubber ring from the hollow structure for pressure testing, the pressure is increased to 1.5 times of the working pressure, and then whether the structure formed by the sleeve, the glass fiber reinforced plastic pipeline body and the rubber ring can meet the working condition requirement or not is tested.
By testing the closed parts at the two ends of the joint, the testing pressure can reach 1.5 times of the pressure grade, which means whether the sealing of the sleeve joint can be strictly verified in the actual installation process, thus ensuring that the success rate of one-time integral pressure test after the pipeline installation is finished can basically reach 100 percent, which has a revolutionary improvement on the safety and the rapidness of the whole project, and simultaneously has great popularization significance for the application of continuously winding the latest glass steel tube in the actual project, and can generate great social and economic benefits.
Claims (5)
1. A high-tightness sleeve type glass fiber reinforced plastic pipeline with internal and external pressure test is characterized in that: the glass fiber reinforced plastic pipeline comprises glass fiber reinforced plastic pipeline bodies, wherein two adjacent glass fiber reinforced plastic pipeline bodies are connected through a sleeve, the two glass fiber reinforced plastic pipeline bodies are in butt joint, the sleeve is arranged outside the two glass fiber reinforced plastic pipeline bodies, two grooves are formed in two ends of the inner side of the sleeve, rubber rings are arranged in the grooves, and the sleeve, the rubber rings and the glass fiber reinforced plastic pipeline bodies form a sealing structure;
the end part of the glass fiber reinforced plastic pipeline body is provided with a first pressure test hole, the first pressure test hole is arranged between two grooves at each end, a first pressure test nozzle is arranged in the first pressure test hole, the water inlet end of the first pressure test nozzle is positioned at the inner side of the glass fiber reinforced plastic pipeline body, the water outlet end of the first pressure test nozzle is positioned at the outer side of the glass fiber reinforced plastic pipeline body, and the water outlet end of the first pressure test nozzle is respectively positioned between two rubber rings at the end;
the both ends of sleeve are equipped with second pressure testing hole respectively, the second pressure testing hole sets up twice at each end between the recess, the downthehole second pressure testing mouth that is equipped with of second pressure testing, the end of intaking of second pressure testing mouth is located the telescopic outside, the play water end of second pressure testing mouth is located the telescopic inboard.
2. The high-sealability sleeve-type FRP pipe with internal and external pressure tests as claimed in claim 1, wherein: the inner diameter of the sleeve is matched with the outer diameters of the two glass fiber reinforced plastic pipeline bodies, and the sleeve and the two pipelines are made of the same material.
3. The high-sealability sleeve-type FRP pipe with internal and external pressure tests as claimed in claim 1, wherein: the first pressure testing nozzle and the second pressure testing nozzle are both of hollow structures.
4. The high-sealability sleeve-type FRP pipe with internal and external pressure tests as claimed in claim 1, wherein: and a sealing structure is arranged between the periphery of the first pressure testing nozzle and the glass fiber reinforced plastic pipeline body.
5. The high-sealability sleeve-type FRP pipe with internal and external pressure tests as claimed in claim 1, wherein: and a sealing structure is arranged between the periphery of the second pressure test nozzle and the sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021139494.9U CN212929067U (en) | 2020-06-18 | 2020-06-18 | High-sealing sleeve type glass fiber reinforced plastic pipeline with internal and external pressure test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021139494.9U CN212929067U (en) | 2020-06-18 | 2020-06-18 | High-sealing sleeve type glass fiber reinforced plastic pipeline with internal and external pressure test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212929067U true CN212929067U (en) | 2021-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021139494.9U Active CN212929067U (en) | 2020-06-18 | 2020-06-18 | High-sealing sleeve type glass fiber reinforced plastic pipeline with internal and external pressure test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212929067U (en) |
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2020
- 2020-06-18 CN CN202021139494.9U patent/CN212929067U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: ZHENSHI YONGCHANG COMPOSITE MATERIAL CO.,LTD. Assignor: Zhou Qiang Contract record no.: X2024980003800 Denomination of utility model: A high sealing sleeve type fiberglass pipeline for internal and external pressure testing Granted publication date: 20210409 License type: Exclusive License Record date: 20240402 |
|
| EE01 | Entry into force of recordation of patent licensing contract |