CN219957177U - Glass fiber reinforced plastic pipe local pressure test device - Google Patents
Glass fiber reinforced plastic pipe local pressure test device Download PDFInfo
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- CN219957177U CN219957177U CN202320934747.9U CN202320934747U CN219957177U CN 219957177 U CN219957177 U CN 219957177U CN 202320934747 U CN202320934747 U CN 202320934747U CN 219957177 U CN219957177 U CN 219957177U
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- 238000012360 testing method Methods 0.000 title claims abstract description 142
- 239000011152 fibreglass Substances 0.000 title claims abstract description 101
- 238000007789 sealing Methods 0.000 claims abstract description 81
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 81
- 239000011521 glass Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000012945 sealing adhesive Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 11
- 238000009434 installation Methods 0.000 abstract description 10
- 238000007689 inspection Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000003733 fiber-reinforced composite Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
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Abstract
The utility model discloses a glass fiber reinforced plastic pipe local pressure test device, which comprises a first glass fiber reinforced plastic pipe, a second glass fiber reinforced plastic pipe, an outer pressure test system and an inner pressure test system, wherein the end part of the first glass fiber reinforced plastic pipe is connected with the end part of the second glass fiber reinforced plastic pipe; the external pressure test system is arranged outside the connecting area of the two glass reinforced plastic pipes and comprises a sealing cylinder assembly and an external pressure test pipeline; the outer pressure test cavity is communicated with one end of the outer pressure test pipeline system; the outer pressure test cavity is provided with a pressure gauge A; the inner pressure test system comprises a first sealing element, a second sealing element and an inner pressure test pipeline system; the inner pressure test cavity is communicated with an inner pressure test pipeline system, and a pressure gauge B is arranged on the inner pressure test pipeline. The beneficial effects of the utility model are as follows: the inner pressure test system and the outer pressure test system are designed, when the glass fiber reinforced plastic pipe is installed, the inner wall and the outer wall of the joint of the glass fiber reinforced plastic pipe or other suspicious positions are respectively subjected to local pressure test, defects can be timely repaired, and the installation and inspection are realized.
Description
Technical Field
The utility model relates to the technical field of engineering glass fiber reinforced plastic pipe pressure test, in particular to a glass fiber reinforced plastic pipe local pressure test device.
Background
In recent years, safety production accidents caused by overpressure and corrosion leakage of pipelines frequently occur. In order to ensure the safety of life and property, the national requirements on the safety of pipelines, particularly long-distance pipelines, are raised, so that the inspection and pressure test work before the pipeline is put into operation is particularly important.
The glass fiber reinforced plastic pipe as one kind of fiber reinforced composite material has the features of corrosion resistance, electric insulation, light weight, high strength, etc. and may be used widely in petrochemical industry to convey oil, gas, water and other medium. The length of one glass fiber reinforced plastic pipe is about 6-12 meters, and a plurality of pipelines are connected through threads to form a long conveying pipeline. After the installation is completed, the pipeline needs to be subjected to clear water pressure test, so that the pipeline is ensured to be free from leakage and can bear normal working pressure. The glass fiber reinforced plastic pipe can be subjected to sectional pressure test and also can be subjected to integral pressure test, in engineering practice, the problems of cost, aging and the like are comprehensively considered, the integral pressure test is usually carried out after the whole installation of the pipeline is completed, the pressure test is generally 1.25 times of the design pressure, and the defect is repaired after the pressure test is completed; most of defects of the glass fiber reinforced plastic pipe are concentrated at the joint of the pipeline.
The existing glass reinforced plastic pipe is subjected to integral pressure test after being installed, and the integral pressure test method is economical and convenient, but has the problem of low one-time passing rate. After all the pipelines are installed, the pipelines cannot be dismantled, and if the pressure test is unqualified, the pipelines at the pressure test defects can be cut off or repaired by stainless steel joints. However, the two repairing methods have high cost and low efficiency, wherein the pipe at the two ends of the defect needs to be replaced by a cutting method, and the stainless steel joint has high price. In addition, repairing the unqualified pipeline after pressure test can also take a lot of time, and the engineering progress is seriously affected.
Accordingly, there is a need for improvements over the prior art.
Disclosure of Invention
The utility model aims to provide a glass fiber reinforced plastic pipe local pressure test device with high pipeline installation efficiency and high cost, aiming at the defects of the prior art.
The utility model adopts the technical scheme that: the glass fiber reinforced plastic pipe local pressure test device comprises a first glass fiber reinforced plastic pipe, a second glass fiber reinforced plastic pipe, an outer pressure test system and an inner pressure test system, wherein the end part of the first glass fiber reinforced plastic pipe is connected with the end part of the second glass fiber reinforced plastic pipe;
the external pressure test system is arranged outside the connecting area of the two glass reinforced plastic pipes and comprises a sealing cylinder assembly and an external pressure test pipeline; one end of the sealing cylinder assembly is sleeved outside the first glass fiber reinforced plastic pipe, the other end of the sealing cylinder assembly is sleeved outside the second glass fiber reinforced plastic pipe, and the sealing cylinder assembly, the first glass fiber reinforced plastic pipe and the second glass fiber reinforced plastic pipe are enclosed to form a closed outer pressure test cavity which is communicated with one end of the outer pressure test pipeline system; the outer pressure test cavity is provided with a pressure gauge A for detecting the internal pressure;
the inner pressure test system comprises a first sealing element, a second sealing element and an inner pressure test pipeline system; the first sealing piece is fixed inside the first glass steel tube, the second sealing piece is fixed inside the second glass steel tube, the first sealing piece, the first glass steel tube, the second sealing piece and the second glass steel tube are enclosed to form a closed inner pressure test cavity, the inner pressure test cavity is communicated with an inner pressure test pipeline system, and a pressure gauge B is arranged on the inner pressure test pipeline.
According to the scheme, the external pressure test pipeline system comprises a water filling pipeline A, a water tank A, a water pump A and a valve A, wherein the inlet of the water filling pipeline A is communicated with the water tank A, and the outlet of the water filling pipeline A is communicated with the external pressure test cavity; the water pump A and the valve A are both arranged on the water charging pipeline A, wherein the valve A is positioned at the downstream of the water pump A.
According to the scheme, the sealing cylinder assembly comprises a sleeve and sealing air bags A at two ends, and the sleeve is sleeved outside a connecting area of two glass reinforced plastic pipes; the sealing air bag A is arranged on the first glass fiber reinforced plastic pipe or the second glass fiber reinforced plastic pipe at the two ends of the sleeve, the inner ring of the sealing air bag A is tightly attached to the outer wall of the first glass fiber reinforced plastic pipe or the second glass fiber reinforced plastic pipe, and the outer ring of the sealing air bag A is tightly attached to the inner wall of the sleeve; after the sealing air bag A is inflated, the sealing air bag A is enclosed together with the sleeve and the two glass fiber reinforced plastic pipes to form a completely-closed outer pressure test cavity.
According to the scheme, the sleeve is of a split structure and comprises two arc-shaped plates matched with the two glass reinforced plastic pipes, and the two arc-shaped plates are arranged opposite to each other.
According to the scheme, the end part of the arc-shaped plate is provided with an extending part extending outwards along the radial direction; the extension parts of the two arc plates are connected through a plurality of fastening bolts.
According to the scheme, the two arc plates are also connected in a sealing way through the plastic sealing adhesive tape.
According to the scheme, the internal pressure test pipeline system comprises a water filling pipeline B, a water tank B, a water pump B and a valve B, wherein the inlet of the water filling pipeline B is communicated with the water tank B, and the outlet of the water filling pipeline B is communicated with the internal pressure test cavity; the water pump B, the valve B and the pressure gauge B are all arranged on the water filling pipeline B, wherein the pressure gauge B is positioned at the downstream of the valve B, and the water pump B is positioned at the upstream of the valve B.
According to the scheme, the first sealing piece and the second sealing piece are both sealing air bags B, the sealing air bags B are communicated with the air charging pipeline B, and the outer end of the air charging pipeline B is connected with the air pump.
According to the scheme, the water tank B and the water pump B are arranged outside the glass tube.
According to the scheme, the two sealing air bags A are inflated through the inflation pipelines A respectively.
The beneficial effects of the utility model are as follows:
the utility model designs the inner pressure test system and the outer pressure test system, when the glass fiber reinforced plastic pipe is installed, the inner wall and the outer wall of the joint of the glass fiber reinforced plastic pipe or other suspicious positions are respectively subjected to partial pressure test, defects can be timely repaired, reworking repair is not needed after the integral installation is finished, the inspection is realized while the installation is finished, the once-through rate of the integral pressure test can be increased, the construction period can be further shortened, the cost is reduced, the efficiency is improved, and the pipeline safety is ensured. The utility model adopts the inner pressure test system and the outer pressure test system to detect, thereby guaranteeing the integrity and the safety of the inner wall and the outer wall of the pipeline; the internal and external pressure test systems are sealed by adopting sealing air bags, the pipeline is not damaged, the installation and the disassembly are simple and easy, and the timeliness is high. The utility model has little influence on the integral installation progress of the pipeline and low construction cost.
Drawings
FIG. 1 is a schematic diagram of an external pressure test system according to one embodiment of the present utility model.
Fig. 2 is a schematic diagram of the connection between the external pressure test system and the glass fiber reinforced plastic pipe.
FIG. 3 is a schematic diagram of the internal pressure test system according to the present utility model.
FIG. 4 is a schematic diagram of the connection of the internal pressure test system to the glass reinforced plastic pipe.
Wherein: 1-a first glass fiber reinforced plastic pipe; a 2-linking region; 3-sealing the air bag A; 4-sleeve; 4.1-extension; 5-fastening bolts; 6-plastic packaging adhesive tape; 7-a pressure gauge A; 8-valve A; 9-a water pump A; 10-a water tank A; 11-a second glass fiber reinforced plastic pipe; 12-sealing the air bag B; 13-pressure gauge B; 14-valve B; 15-an air pump B; 16-a water pump B; 17-sink B; 18-water charging pipeline A; 19-an inflation line B; 20-water charging line B.
Detailed Description
For a better understanding of the present utility model, the present utility model is further described below with reference to the drawings and specific examples.
The device comprises a first glass fiber reinforced plastic pipe 1, a second glass fiber reinforced plastic pipe 11, an outer pressure test system and an inner pressure test system, wherein the end part of the first glass fiber reinforced plastic pipe 1 is connected with the end part of the second glass fiber reinforced plastic pipe 111;
as shown in fig. 1 and 2, the external pressure test system is arranged outside the connecting area of the two glass reinforced plastic pipes and comprises a sealing cylinder assembly and an external pressure test pipeline; one end of the sealing cylinder assembly is sleeved outside the first glass fiber reinforced plastic pipe 1, the other end of the sealing cylinder assembly is sleeved outside the second glass fiber reinforced plastic pipe 11, the sealing cylinder assembly, the first glass fiber reinforced plastic pipe 1 and the second glass fiber reinforced plastic pipe 11 are enclosed to form a closed outer pressure test cavity, and the outer pressure test cavity is communicated with one end of an outer pressure test pipeline system; the outer pressure test cavity is provided with a pressure gauge A7 for detecting the pressure in the outer pressure test cavity;
as shown in fig. 3 and 4, the internal pressure test system includes a first sealing member, a second sealing member, and an internal pressure test pipe system; the first sealing element is fixed inside the first glass steel tube 1, the second sealing element is fixed inside the second glass steel tube 11, the first sealing element, the first glass steel tube 1, the second sealing element and the second glass steel tube 11 are enclosed to form a closed inner pressure test cavity, the inner pressure test cavity is communicated with an inner pressure test pipeline system, and a pressure gauge B13 is arranged on the inner pressure test pipeline.
In the present utility model, the first glass reinforced plastic pipe 1 and the second glass reinforced plastic pipe 11 can be connected by screw threads or other means, the connection area 2 of the two is shown in figure 1,
preferably, the external pressure test pipeline system comprises a water charging pipeline A18, a water tank A10, a water pump A9 and a valve A, wherein the inlet of the water charging pipeline A18 is communicated with the water tank A10, and the outlet of the water charging pipeline A18 is communicated with the external pressure test cavity; the water pump A9 and the valve A are both arranged on the water charging pipeline A18, wherein the valve A is positioned at the downstream of the water pump A9.
Preferably, the sealing cylinder assembly comprises a sleeve 4 and sealing air bags A3 at two ends, and the sleeve 4 is sleeved outside a connecting area of two glass reinforced plastic pipes; the sealing air bag A3 is arranged on the first glass fiber reinforced plastic pipe 1 or the second glass fiber reinforced plastic pipe 11 at the two ends of the sleeve 4, the inner ring of the sealing air bag A3 is tightly attached to the outer wall of the first glass fiber reinforced plastic pipe 1 or the second glass fiber reinforced plastic pipe 11, and the outer ring of the sealing air bag A3 is tightly attached to the inner wall of the sleeve 4; after the sealing air bag A3 is inflated, the sealing air bag A is enclosed together with the sleeve 4 and the two glass fiber reinforced plastic pipes to form a completely-closed outer pressure test cavity.
In the utility model, two sealed air bags A3 are inflated through an inflation pipeline A and an air pump A respectively; the inflation line a and the air pump a are not illustrated.
Preferably, the sleeve 4 is of a split structure and comprises two arc plates matched with the two glass reinforced plastic pipes, and the two arc plates are arranged opposite to each other; the ends of the arc-shaped plate are provided with an extension 4.1 extending outwards in radial direction; the extensions 4.1 of the two arcuate plates are connected by means of a number of fastening bolts 5.
In the utility model, the sleeve is a B-type flexible waterproof sleeve, and the inner diameter of the sleeve is more than 3 times of the inner diameter of the glass fiber reinforced plastic pipe.
In the utility model, a space is reserved between the inner walls of the two arc-shaped plates and the outer wall of the glass fiber reinforced plastic pipe.
Preferably, the two arc plates are also in sealing connection through a plastic sealing adhesive tape 6.
Preferably, the inner pressure test pipeline system comprises a water charging pipeline B20, a water tank B17, a water pump B16 and a valve B, wherein an inlet of the water charging pipeline B20 is communicated with the water tank B17, and an outlet of the water charging pipeline B20 is communicated with the inner pressure test cavity; the water pump B16, the valve B and the pressure gauge B13 are all arranged on the water charging pipeline B20, wherein the pressure gauge B13 is positioned at the downstream of the valve B, and the water pump B16 is positioned at the upstream of the valve B.
In the utility model, the water tank B17 and the water pump B16 are arranged outside the glass tube.
Preferably, the first sealing element and the second sealing element are both sealing air bags B12, the sealing air bags B12 are communicated with an air charging pipeline B19, and the outer end of the air charging pipeline B19 is connected with an air pump B15.
The utility model is divided into an external pressure test system and an internal pressure test system, wherein the external pressure test system comprises a sealing air bag A3, a sleeve 4, a pressure gauge A7, a water charging pipeline A18, a water pump A9, a valve A8 and a water tank A10; the internal pressure test system comprises a sealed air bag B12, an air charging pipeline B19, an air charging pipeline B20, an air pump B15, a water pump B16, a valve B14, a pressure gauge B13 and a water tank B17. The utility model can be used in the installation process of the glass reinforced plastic pipe, and can be used for checking and repairing defects in time while installing.
The working principle of the utility model is as follows:
and (3) installing an internal pressure test system in the connecting area 2 of the two glass reinforced plastic pipes, and testing the pressure of the inner wall of the connecting area of the glass reinforced plastic pipes: the air pump B15 is utilized to inflate sealing pieces (namely the sealing air bags B12) at two ends through the inflation pipeline B19, and a sealed inner pressure test cavity is formed between the two sealing pieces; the water pump B16 is started, the water is filled in the internal pressure test cavity, the pressure of the water filling pipeline B20 is controlled through the valve B14, after the required pressure test pressure is achieved, the valve B14 is closed, the pressure drop is not more than 1% of the pressure test pressure after 4 hours of observation, the joint is free from leakage, and the strength pressure test is qualified; otherwise, the test result is unqualified. And (3) opening the valve B14, discharging part of water, reducing the pressure to the design pressure of the pipeline, stabilizing the pressure for 4 hours, and if the pressure reduction is not more than 1% of the design pressure, the tightness test is qualified if the joint is not leaked, otherwise, the tightness test is unqualified. And the qualified strength pressure test and tightness pressure test show that the inner wall of the glass reinforced plastic pipe connecting area 2 is complete.
And (3) externally installing an external pressure testing system in the connecting area 2 of the two glass reinforced plastic pipes, and testing the pressure of the outer wall of the connecting area of the glass reinforced plastic pipes: sleeving two ends of a connecting area of two glass reinforced plastic pipes on the sleeve 4, and fixing the two ends by adopting a plastic sealing adhesive tape 6 and a fastening bolt 55; sealing air bags A3 are arranged at two ends of the sleeve 4, and the sealing air bags A3 are inflated and pressurized through the inflation pipeline A until the end of the sleeve 4 is completely sealed, and the sealing air bags A3, the sleeve 4 and the two glass fiber reinforced plastic pipes are enclosed to form an outer pressure test cavity; the water pump A9 is started, water injection pressure test is carried out on the external pressure test cavity, the pressure is increased to the required pressure test pressure through the water injection pressure as well as the internal pressure test, the pressure drop is not about 1% of the pressure test pressure, the pipeline is free from leakage, and the strength pressure test is qualified. And (3) opening the valve A8, discharging part of water, stabilizing the pressure for 4 hours after the pressure is reduced to the design pressure, wherein the pressure drop is not more than 1% of the design pressure, no leakage exists, and the tightness pressure test is qualified. And the qualified strength pressure test and tightness pressure test show that the outer wall of the glass reinforced plastic pipe connection area 2 is complete.
The inner wall and the outer wall of the glass fiber reinforced plastic pipe connecting area 2 completely represent that the product is qualified, and the subsequent operation can be performed.
Examples
In the long-distance pipeline project of the oil and gas development department of a certain oil field, the whole pipeline is made of glass fiber reinforced plastics, the length is about 20km, and the design pressure is 1.6MPa; after the installation is completed, the whole pipeline is subjected to clear water pressure test, the pressure test is carried out under 2MPa, and as a result, more than 110 pipeline defects are found, wherein 90 pipeline defects are positioned at the connection position of the glass reinforced plastic pipe. In order to repair the defects, the direct installation cost is increased by 30 ten thousand yuan, and the construction progress is delayed by 10 days. Meanwhile, the technical scheme is adopted to test the 10km pipeline project of the other block of the oil field, and under the condition of the same material and design pressure, more than 20 parts of the problem interface are checked in the installation process of the glass reinforced plastic pipe, and the problem interface is repaired in time, and finally, only 3 parts of the whole line pressure test are unqualified, and the project is constructed 5 days in advance after the correction; the construction cost is saved by about 20 ten thousand yuan.
What is not described in detail in this specification is prior art known to those skilled in the art.
Finally, it should be noted that the foregoing is merely a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and although the present utility model has been described in detail with reference to the embodiment, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but any modifications, equivalents, improvements or changes thereof may be made without departing from the spirit and principle of the present utility model.
Claims (10)
1. The glass fiber reinforced plastic pipe local pressure test device is characterized by comprising a first glass fiber reinforced plastic pipe, a second glass fiber reinforced plastic pipe, an outer pressure test system and an inner pressure test system, wherein the end part of the first glass fiber reinforced plastic pipe is connected with the end part of the second glass fiber reinforced plastic pipe;
the external pressure test system is arranged outside the connecting area of the two glass reinforced plastic pipes and comprises a sealing cylinder assembly and an external pressure test pipeline; one end of the sealing cylinder assembly is sleeved outside the first glass fiber reinforced plastic pipe, the other end of the sealing cylinder assembly is sleeved outside the second glass fiber reinforced plastic pipe, and the sealing cylinder assembly, the first glass fiber reinforced plastic pipe and the second glass fiber reinforced plastic pipe are enclosed to form a closed outer pressure test cavity which is communicated with one end of the outer pressure test pipeline system; the outer pressure test cavity is provided with a pressure gauge A for detecting the internal pressure;
the inner pressure test system comprises a first sealing element, a second sealing element and an inner pressure test pipeline system; the first sealing piece is fixed inside the first glass steel tube, the second sealing piece is fixed inside the second glass steel tube, the first sealing piece, the first glass steel tube, the second sealing piece and the second glass steel tube are enclosed to form a closed inner pressure test cavity, the inner pressure test cavity is communicated with an inner pressure test pipeline system, and a pressure gauge B is arranged on the inner pressure test pipeline.
2. The glass fiber reinforced plastic pipe local pressure test device according to claim 1, wherein the external pressure test pipeline system comprises a water charging pipeline A, a water tank A, a water pump A and a valve A, wherein an inlet of the water charging pipeline A is communicated with the water tank A, and an outlet of the water charging pipeline A is communicated with the external pressure test cavity; the water pump A and the valve A are both arranged on the water charging pipeline A, wherein the valve A is positioned at the downstream of the water pump A.
3. The glass fiber reinforced plastic pipe partial pressure test device according to claim 1, wherein the sealing cylinder assembly comprises a sleeve and sealing air bags A at two ends, and the sleeve is sleeved outside a connecting area of the two glass fiber reinforced plastic pipes; the sealing air bag A is arranged on the first glass fiber reinforced plastic pipe or the second glass fiber reinforced plastic pipe at the two ends of the sleeve, the inner ring of the sealing air bag A is tightly attached to the outer wall of the first glass fiber reinforced plastic pipe or the second glass fiber reinforced plastic pipe, and the outer ring of the sealing air bag A is tightly attached to the inner wall of the sleeve; after the sealing air bag A is inflated, the sealing air bag A is enclosed together with the sleeve and the two glass fiber reinforced plastic pipes to form a completely-closed outer pressure test cavity.
4. The glass fiber reinforced plastic pipe local pressure test device as claimed in claim 3, wherein the sleeve is of a split type structure and comprises two arc-shaped plates matched with the two glass fiber reinforced plastic pipes, and the two arc-shaped plates are arranged opposite to each other.
5. The glass fiber reinforced plastic pipe partial pressure test device as set forth in claim 4, wherein the end of the arc plate is provided with an extension part extending outwards along the radial direction; the extension parts of the two arc plates are connected through a plurality of fastening bolts.
6. The glass fiber reinforced plastic pipe partial pressure test device as set forth in claim 4, wherein the two arc plates are also connected in a sealing manner by plastic sealing adhesive tape.
7. The glass fiber reinforced plastic pipe local pressure test device according to claim 1, wherein the internal pressure test pipeline system comprises a water charging pipeline B, a water tank B, a water pump B and a valve B, wherein an inlet of the water charging pipeline B is communicated with the water tank B, and an outlet of the water charging pipeline B is communicated with the internal pressure test cavity; the water pump B, the valve B and the pressure gauge B are all arranged on the water filling pipeline B, wherein the pressure gauge B is positioned at the downstream of the valve B, and the water pump B is positioned at the upstream of the valve B.
8. The glass reinforced plastic pipe local pressure test device as set forth in claim 7, wherein the first sealing member and the second sealing member are sealing air bags B, the sealing air bags B are communicated with an air charging pipeline B, and the outer ends of the air charging pipeline B are connected with an air pump.
9. The glass fiber reinforced plastic pipe local pressure test device according to claim 7, wherein the water tank B and the water pump B are arranged outside the glass fiber reinforced plastic pipe.
10. A glass reinforced plastic pipe partial pressure test device as claimed in claim 3, wherein the two sealing air bags a are inflated through the inflation pipeline a respectively.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320934747.9U CN219957177U (en) | 2023-04-23 | 2023-04-23 | Glass fiber reinforced plastic pipe local pressure test device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202320934747.9U CN219957177U (en) | 2023-04-23 | 2023-04-23 | Glass fiber reinforced plastic pipe local pressure test device |
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CN219957177U true CN219957177U (en) | 2023-11-03 |
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CN202320934747.9U Active CN219957177U (en) | 2023-04-23 | 2023-04-23 | Glass fiber reinforced plastic pipe local pressure test device |
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2023
- 2023-04-23 CN CN202320934747.9U patent/CN219957177U/en active Active
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