CN212844241U - Gas pipeline tightness test device - Google Patents
Gas pipeline tightness test device Download PDFInfo
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- CN212844241U CN212844241U CN202021588844.XU CN202021588844U CN212844241U CN 212844241 U CN212844241 U CN 212844241U CN 202021588844 U CN202021588844 U CN 202021588844U CN 212844241 U CN212844241 U CN 212844241U
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- rod
- inlet pipe
- pipeline
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- test device
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- 238000012360 testing method Methods 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 8
- 238000005259 measurement Methods 0.000 abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a tightness test device for a gas pipeline, which comprises a first gas inlet pipe, a second gas inlet pipe, a measuring component, a sealing component and a limiting component, wherein the sealing component and the limiting component are fixedly sleeved on the gas inlet pipe, and the measuring device is fixedly connected with the detachable gas inlet pipe, the utility model utilizes the limiting device to tension the pipeline to be detected so that the device is clamped in the pipeline to be detected, the uniformity of the gap between the annular air bag and the inner wall of the pipeline is ensured, the aim of rapidly sealing the two ends of the pipeline is fulfilled by utilizing the sealing assembly, when in use, the sliding rod with proper size is cut according to the field condition, the accurate length data of the detection section in the pipeline is quickly detected by the measuring component, so that an operator can control the experimental air pressure to be close to the designed air pressure conveniently, the dismounting means of the device is simple and quick, the detection efficiency of workers is greatly improved for large-batch field measurement work.
Description
Technical Field
The utility model belongs to pipeline quality testing field especially relates to a gas pipeline tightness test device.
Background
When the gas tightness of the to-be-tested part or device is detected by using gas, the to-be-tested part or device is communicated with a gas source by using a pipeline, but leakage is easy to occur at the joint between pipes, so that the detection result of the tightness is adversely affected, and therefore, the requirement on the sealing reliability of the joint of the pipes is generally high, in addition, the connection between the pipes is realized by a manual or mechanical automatic mode, the operation is convenient, so that high working efficiency is obtained, particularly, when comparison measurement is carried out on large-batch pipelines, however, in the traditional scheme, the two sides of the pipeline are sealed by adopting a mode of installing a flange and a sealing ring in a matching way, the operation is very complicated, and the joint structures at the two sides of some to-be-tested pipelines do not have the joint structures, so that the sealing mode cannot be realized, and an inflatable air bag pressurization sealing mode is also adopted, however, the inflatable air bag is easy to generate a small amount of gaps with the pipe wall so as to cause gas leakage, the pressurization standards of the pipelines to be tested with different internal spaces are different from each other for the purpose of unifying the safety and the detection standards, and the working benefits of the traditional pressurization mode are greatly restricted and cannot meet the use requirements under the task of measuring the air tightness of the pipelines in large batches.
Disclosure of Invention
An object of the utility model is to provide a gas pipeline tightness test device to solve the problem mentioned in the above-mentioned background art.
A tightness test device for a gas pipeline comprises a first gas inlet pipe, a second gas inlet pipe, a measuring assembly, a sealing assembly and a limiting assembly, wherein the measuring assembly comprises a first measuring rod and a second measuring rod, a sliding rod is inserted in the first measuring rod in a sliding manner, the right side end of the sliding rod is fixedly connected with the second measuring rod, a length sensor is fixedly arranged on the first measuring rod through an installation seat, a sensor top plate is arranged on the second measuring rod in a matched manner, the first measuring rod and the second measuring rod are fixedly sleeved on the peripheries of the first gas inlet pipe and the second gas inlet pipe respectively, the sealing assembly comprises a first hollow wheel seat, a circular groove is formed in the first hollow wheel seat, an annular air bag is fixedly clamped in the circular groove and provided with an inflation inlet, the two limiting assemblies are respectively sleeved on the peripheries of the first gas inlet pipe and the second gas inlet pipe and positioned on the outer side of the sealing assembly, the limiting assembly, the end parts of the push rods of the three electric push rods are fixedly provided with connecting lugs, the outer side ends of the connecting lugs are fixedly attached with rubber pads, and a pressure sensor is fixedly arranged in one of the rubber pads.
Preferably, the first air inlet pipe and the second air inlet pipe are fixedly connected with a first supporting rod and a second supporting rod through pipe hoop seats respectively.
Preferably, a limiting seat is fixedly mounted at the top end of the first supporting rod, a slot is formed in the limiting seat, a magnet is arranged in the slot, and an inserting rod is fixedly connected to the right side end of the second measuring rod and is slidably inserted into the slot and adsorbed to the magnet.
Preferably, the top of the second support rod is fixedly connected with an L-shaped support through a screw, and the right side end of the L-shaped support is detachably and fixedly connected with the left side end of the first measuring rod through a screw.
Preferably, two first sliding grooves are formed in the first measuring rod, two second sliding grooves are formed in the second measuring rod, the two sliding rods are arranged, the left ends of the two sliding rods are respectively inserted into the two first sliding grooves in a sliding mode, and the right ends of the two sliding rods are respectively fixedly adhered to the two second sliding grooves through adhesives.
Preferably, the hollow wheel seat II is further provided with a controller, the controller is electrically connected with the pressure sensor and the three electric push rods respectively, and the controller is used for controlling the three electric push rods to be closed immediately.
Preferably, the outer side ends of the first air inlet pipe and the second air inlet pipe are respectively and fixedly provided with a connector, and the connectors are used for connecting an external pressurization air pipe.
Preferably, the inflation port is connected with an inflation tube, and a valve is further arranged on the tube body of the inflation tube.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses utilize stop device to wait to detect tensioning messenger's this device card in the pipeline that awaits measuring in the pipeline, and guarantee the homogeneity in annular gasbag and pipeline inner wall clearance, utilize seal assembly to reach and carry out the purpose sealed to the pipeline both ends fast, cut the slide bar of suitable size according to the site conditions during use, and detect out the accurate length data of the inside "detection section" of pipeline by measuring assembly fast, the operator of being convenient for will test the control that atmospheric pressure is better near design atmospheric pressure, the dismantlement means of this device is simple rapid, to large batch field measurement work very big increase staff's detection efficiency.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:
FIG. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic diagram of a specific structure of the measuring assembly of the present invention;
fig. 3 is a schematic structural diagram of the middle limiting component of the present invention.
In the figure: 1. a first measuring rod; 2. a length sensor; 3. a mounting seat; 4. a slide bar; 5. a sensor top plate; 6. a second measuring rod; 7. a plug; 8. a slot; 9. a limiting seat; 10. a magnet; 11. a first support rod; 12. a first air inlet pipe; 13. an electric push rod; 14. an annular air bag; 15. an annular groove; 16. a hollow wheel seat I; 17. an inflation inlet; 18. a seal assembly; 19. a limiting component; 20. a second air inlet pipe; 21. a joint; 22. a pipe hoop seat; 23. a second supporting rod; 24. an L-shaped bracket; 25. a first sliding chute; 26. a pressure sensor; 27. a rubber pad; 28. connecting lugs; 29. a hollow wheel seat II; 30. a measurement assembly; 31. and a second sliding chute.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a gas pipeline tightness test device comprises a first gas inlet pipe 12, a second gas inlet pipe 20, a measuring assembly 30, a sealing assembly 18 and a limiting assembly 19, wherein the measuring assembly 30 comprises a first measuring rod 1 and a second measuring rod 6, a sliding rod 4 is inserted in the first measuring rod 1 in a sliding manner, the right side end of the sliding rod 4 is fixedly connected with the second measuring rod 6, a length sensor 2 is fixedly arranged on the first measuring rod 1 through a mounting seat 3, a sensor top plate 5 is arranged on the second measuring rod 6 in a matching manner, the sensor top plate 5 is used for sensing the extending distance of the sliding rod 4, two sliding grooves 25 are formed in the first measuring rod 1, two sliding grooves 31 are formed in the second measuring rod, the sliding rods 4 are provided with two sliding rods to prevent relative rotation between the sliding rods 4 and the measuring rods, the left ends of the two sliding rods 4 are respectively inserted in the two sliding grooves 25 in a sliding manner, the right ends of the two sliding rods 4 are respectively, the slide bar 4 can be a common hollow aluminum pipe in the market, and the length of the slide bar 4 is cut on site according to the length of a pipeline on the detection site so as to adapt to different pipeline sizes;
two sets of sealing assemblies 18 are fixedly sleeved on the peripheries of the first air inlet pipe 12 and the second air inlet pipe 20 respectively, each sealing assembly 18 comprises a first hollow wheel seat 16, the first hollow wheel seat 16 is fixedly sleeved on the corresponding air inlet pipe, a ring-shaped groove 15 is formed in the first hollow wheel seat 16, an annular air bag 14 is fixedly clamped in the ring-shaped groove 15, an inflation inlet 17 is formed in the annular air bag 14, an inflation pipe is connected to the inflation inlet 17, a valve is further arranged on the pipe body of the inflation pipe, and the inflation pipe is used for being connected with an external pressurizing device and inflating and pressurizing the annular air bag 14;
two sets of limiting assemblies 19 are respectively sleeved on the peripheries of the first air inlet pipe 12 and the second air inlet pipe 20 and are positioned on the outer side of the sealing assembly 18, each limiting assembly 19 comprises a second hollow wheel seat 29, three electric push rods 13 are fixedly arranged on the periphery of the second hollow wheel seat 29, connecting lugs 28 are fixedly arranged at the end parts of the push rods of the three electric push rods 13, rubber pads 27 are fixedly attached to the outer side ends of the connecting lugs 28, a pressure sensor 26 is fixedly arranged in one of the rubber pads 27, a controller is further arranged on the second hollow wheel seat 29, the controller is respectively and electrically connected with the pressure sensor 26 and the three electric push rods 13, and the controller is used for controlling the instant closing and synchronous opening of the three electric push rods 13;
the outer ends of the first air inlet pipe 12 and the second air inlet pipe 20 are respectively and fixedly provided with a connector 21, the connectors 21 are used for connecting external pressurized air pipes, the connectors 21 adopt common sealing connectors for butt joint of pipelines in the market, and the connectors 21 can be screwed into end covers to seal the end covers when the connectors are not used.
A first supporting rod 11 and a second supporting rod 23 are fixedly connected to a first air inlet pipe 12 and a second air inlet pipe 20 through pipe hoop seats 22 respectively, a limiting seat 9 is fixedly mounted at the top end of the first supporting rod 11, a slot 8 is formed in the limiting seat 9, a magnet 10 is arranged in the slot 8, an inserting rod 7 is fixedly connected to the right side end of the second measuring rod 6, the inserting rod 7 is slidably inserted into the slot 8 and is adsorbed to the magnet 10, an L-shaped support 24 is fixedly connected to the top of the second supporting rod 23 through a screw, and the right side end of the L-shaped support 24 is detachably and fixedly connected to the left side end of the first measuring rod 1 through a screw.
The utility model discloses a concrete application method does: cutting a certain length of hollow aluminum pipe on site according to the length of a pipeline to be detected at a measuring site to serve as a sliding rod 4, fixedly connecting the right end of the sliding rod 4 with a measuring rod II 6, enabling the left end of the sliding rod 4 to be slidably inserted into the measuring rod I1, extending an air inlet pipe I12 to the right end of the pipeline to be detected, starting an electric push rod 13 on the electric push rod, enabling the electric push rod 13 to synchronously extend outwards and generate collision on the inner wall of the pipeline to be detected, closing the electric push rod 13 after a pressure sensor 26 at the end part of the electric push rod 13 detects that the push rod extrusion force reaches a proper value, initially fixing the air inlet pipe I12 in the pipeline to be detected at the moment, coaxially arranging the air inlet pipe I12 and the pipeline to be detected, ensuring the uniformity of a gap between an annular air bag 14 and the inner wall of the pipeline to be detected, then inflating the annular air bag 14 through an inflation port 17 to enable the annular air bag to expand and be tightly attached to the inner 11 and a second support rod 23, the second support rod 23 is fixedly connected with the first measuring rod 1 by an L-shaped support 24, the second measuring rod 6 is pulled rightwards after being pressed, the sliding rod 4 extends out of the first measuring rod 1 until a plug 7 at the right end of the second measuring rod 6 is inserted into the slot 8 to stop, the displacement variation of the sliding rod 4 is measured by the length sensor 2, the fixed length of the device is added so as to quickly obtain the accurate length of a detection section in a pipeline to be detected, then, a pressurizing device and a testing device can be connected to two sides of the pipeline to be detected through the connectors 21 so as to quickly measure the pipeline to be detected, after the measurement is finished, the annular air bag 14 is decompressed, the electric push rod 13 is retracted to extend out of the pipeline to be detected, the next pipeline to be detected can be measured, the loading and unloading process is simple and rapid, and the working benefit.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (8)
1. The utility model provides a gas pipeline tightness test device, includes intake pipe one (12), intake pipe two (20), measuring component (30), seal assembly (18) and spacing subassembly (19), its characterized in that: the measuring assembly (30) comprises a first measuring rod (1) and a second measuring rod (6), a sliding rod (4) is inserted in the first measuring rod (1) in a sliding mode, the right side end of the sliding rod (4) is fixedly connected with the second measuring rod (6), a length sensor (2) is fixedly arranged on the first measuring rod (1) through a mounting seat (3), a sensor top plate (5) is installed on the second measuring rod (6) in a matched mode, two sealing assemblies (18) are arranged and fixedly sleeved on the peripheries of a first air inlet pipe (12) and a second air inlet pipe (20) respectively, each sealing assembly (18) comprises a first hollow wheel seat (16), a ring-shaped groove (15) is formed in the first hollow wheel seat (16), an annular air bag (14) is fixedly clamped in the ring-shaped groove (15), an air charging port (17) is formed in the annular air bag (14), two limiting assemblies (19) are arranged and are sleeved on, The periphery of the second air inlet pipe (20) is located on the outer side of the sealing assembly (18), the limiting assembly (19) comprises a second hollow wheel seat (29), three electric push rods (13) are fixedly mounted on the periphery of the second hollow wheel seat (29), the end portions of the push rods of the three electric push rods (13) are fixedly provided with connecting lugs (28), rubber pads (27) are fixedly attached to the outer side ends of the connecting lugs (28), and a pressure sensor (26) is fixedly arranged in one of the rubber pads (27).
2. A gas pipe tightness test device according to claim 1, characterized in that: and the first air inlet pipe (12) and the second air inlet pipe (20) are fixedly connected with a first support rod (11) and a second support rod (23) through pipe hoop seats (22) respectively.
3. A gas pipe tightness test device according to claim 2, characterized in that: the top end of the first support rod (11) is fixedly provided with a limiting seat (9), a slot (8) is formed in the limiting seat (9), a magnet (10) is arranged in the slot (8), the right side end of the second measuring rod (6) is fixedly connected with an insert rod (7), and the insert rod (7) is inserted in the slot (8) in a sliding mode and is adsorbed with the magnet (10) mutually.
4. A gas pipe tightness test device according to claim 3, characterized in that: the top of the second support rod (23) is fixedly connected with an L-shaped support (24) through a screw, and the right side end of the L-shaped support (24) is detachably and fixedly connected with the left side end of the first measuring rod (1) through a screw.
5. A gas pipe tightness test device according to claim 1, characterized in that: two first sliding grooves (25) are formed in the first measuring rod (1), two second sliding grooves (31) are formed in the second measuring rod, the number of the sliding rods (4) is two, the left ends of the two sliding rods (4) are inserted into the two first sliding grooves (25) in a sliding mode respectively, and the right ends of the two sliding rods (4) are fixedly adhered to the two second sliding grooves (31) through adhesives respectively.
6. A gas pipe tightness test device according to claim 1, characterized in that: and the hollow wheel seat II (29) is also provided with a controller, the controller is respectively electrically connected with the pressure sensor (26) and the three electric push rods (13), and the controller is used for controlling the three electric push rods (13) to be closed immediately.
7. A gas pipe tightness test device according to claim 1, characterized in that: and the outer ends of the first air inlet pipe (12) and the second air inlet pipe (20) are respectively and fixedly provided with a joint (21), and the joints (21) are used for connecting an external pressurization air pipe.
8. A gas pipe tightness test device according to claim 1, characterized in that: the inflation inlet (17) is connected with an inflation tube, and a valve is further arranged on the tube body of the inflation tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021588844.XU CN212844241U (en) | 2020-08-04 | 2020-08-04 | Gas pipeline tightness test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021588844.XU CN212844241U (en) | 2020-08-04 | 2020-08-04 | Gas pipeline tightness test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212844241U true CN212844241U (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021588844.XU Expired - Fee Related CN212844241U (en) | 2020-08-04 | 2020-08-04 | Gas pipeline tightness test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212844241U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910226A (en) * | 2022-04-21 | 2022-08-16 | 郑州水工质量检测中心有限公司 | A device for pressure detection of water conservancy engineering pipelines |
-
2020
- 2020-08-04 CN CN202021588844.XU patent/CN212844241U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114910226A (en) * | 2022-04-21 | 2022-08-16 | 郑州水工质量检测中心有限公司 | A device for pressure detection of water conservancy engineering pipelines |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210330 |