CN216309361U - Airtightness detection device for power plant maintenance - Google Patents
Airtightness detection device for power plant maintenance Download PDFInfo
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- CN216309361U CN216309361U CN202122580571.5U CN202122580571U CN216309361U CN 216309361 U CN216309361 U CN 216309361U CN 202122580571 U CN202122580571 U CN 202122580571U CN 216309361 U CN216309361 U CN 216309361U
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- 238000001514 detection method Methods 0.000 title claims abstract description 28
- 238000012423 maintenance Methods 0.000 title claims abstract description 21
- 238000003466 welding Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 21
- 230000000903 blocking effect Effects 0.000 claims description 19
- 238000009423 ventilation Methods 0.000 claims description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 11
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 11
- 241001330002 Bambuseae Species 0.000 abstract description 11
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 11
- 239000011425 bamboo Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 description 8
- 238000007599 discharging Methods 0.000 description 3
- 238000012031 short term test Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000010992 reflux Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
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Abstract
The utility model discloses an air tightness detection device for power plant maintenance, which relates to the technical field of power plant maintenance and comprises a welding pipeline, wherein two sealed inflatable bags are sleeved on the outer surface of the welding pipeline, a sealed connecting cylinder is fixedly connected between the two sealed inflatable bags, the outer surface of the sealed connecting cylinder is communicated with a gas pressure meter, and the sealed inflatable bags are communicated with a gas collecting pipe. It can be through setting up sealed gas cell, parts such as airtight connecting section of thick bamboo, through mutual cooperation relation between sealed gas cell part and the airtight connecting section of thick bamboo part, make sealed gas cell part seal the detection area through inflatable expansion, and then reached the effect that this device can detect the gas tightness of welding pipe through the barometer on the airtight connecting section of thick bamboo, the gas tightness detection device of having solved today, the pipeline of the fixed model of detection that can only be single, detection range is single, can not adjust the problem that detects according to the thickness of pipeline.
Description
Technical Field
The utility model relates to the technical field of power plant maintenance, in particular to a gas tightness detection device for power plant maintenance.
Background
The air tightness test is mainly used for testing whether leakage occurs at each connecting part of the container, and the air tightness test is required to be carried out on a pressure container which has extreme and high medium toxicity degree or is not allowed to have trace leakage in design.
The existing air tightness detection device can only detect a pipeline with a fixed model in a single mode, has a single detection range and cannot adjust and detect according to the thickness of the pipeline; therefore, the air tightness detection device for power plant maintenance is provided to solve the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to make up the defects of the prior art and provides an air tightness detection device for power plant maintenance.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a maintenance of power plant is with gas tightness detection device, includes the welding pipeline, the surface of welding pipeline has cup jointed two sealed gas cell, two fixedly connected with airtight connecting cylinder between the sealed gas cell, the surface intercommunication of airtight connecting cylinder has the barometer, sealed gas cell intercommunication has the collecting duct, the middle part intercommunication of collecting duct has gas transmission pipe, gas transmission pipe's surface intercommunication has the gassing pipe, the gas release hole has been seted up to the surface of gassing pipe, the surface threaded connection of gassing pipe has rotatory upper shield, the one end intercommunication of keeping away from the collecting duct of gas transmission pipe has a gas outlet valve section of thick bamboo, the inside of gas outlet valve section of thick bamboo is equipped with air inlet mechanism, the column chamber has been seted up to the inside of gas outlet valve section of thick bamboo.
Furthermore, the air outlet valve cylinder is communicated with the gas transmission pipe, and one end, far away from the gas transmission pipe, of the air outlet valve cylinder is communicated with an inflating bag.
Furthermore, a cavity is formed in the inflating bag, and a supporting spring is fixedly connected between the inner top wall and the inner bottom wall of the cavity.
Furthermore, the inflating bag is communicated with an air inlet valve and is made of rubber.
Furthermore, the air inlet mechanism comprises a fixed ring piece and a blocking piece, a through hole is formed in the middle of the fixed ring piece, and the fixed ring piece is fixedly connected with the inner wall of the column cavity.
Furthermore, the side surface of the blocking piece close to the fixed ring piece is fixedly connected with a blocking piece, and the blocking piece is matched with a through hole formed in the fixed ring piece.
Furthermore, a pushing spring is arranged between the blocking piece and the inner wall of the column cavity, two ends of the pushing spring are fixedly connected with the blocking piece and the inner wall of the column cavity respectively, and two ventilation grooves are formed in the inner wall of the column cavity.
Compared with the prior art, this gas tightness detection device for power plant's maintenance possesses following beneficial effect:
1. according to the utility model, by arranging the components such as the sealing inflatable bag, the sealing connecting cylinder and the like, and through the mutual matching relationship between the sealing inflatable bag component and the sealing connecting cylinder component, the sealing inflatable bag component can seal a detection area through inflation expansion, so that the effect that the device can detect the air tightness of a welding pipeline through a barometer on the sealing connecting cylinder is achieved, and the problems that the traditional air tightness detection device can only detect pipelines with fixed models singly, has a single detection range and cannot adjust and detect according to the thickness of the pipelines are solved.
2. According to the utility model, the inflating bag, the supporting spring and other components are arranged, and the inflating bag component can compress the supporting spring by pressing down through the mutual matching relationship between the inflating bag component and the supporting spring component, so that the effect that the compressed inflating bag can be reset by the device through the supporting spring is achieved.
3. According to the utility model, the fixed ring piece, the plugging piece and other parts are arranged, and the plugging piece part can plug the fixed ring piece through the plugging block through the matching relation between the fixed ring piece part and the plugging piece part, so that the effect that the device can rapidly cut off air through the plugging piece is achieved.
Drawings
FIG. 1 is a top view of the present invention;
FIG. 2 is an internal schematic view of the three-dimensional inflation bag and intake valve of the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a schematic diagram of the overall three-dimensional structure of the present invention.
In the figure: 1 welding pipeline, 2 sealing inflatable bags, 3 sealing connecting cylinders, 4 barometers, 5 gas collecting pipes, 6 gas discharging pipes, 7 gas discharging holes, 8 rotary sleeve covers, 9 gas discharging valve cylinders, 10 inflating bags, 11 gas inlet valves, 12 supporting springs, 13 fixing ring pieces, 14 plugging pieces, 15 pushing springs, 16 ventilating grooves, 17 gas transmitting pipes and 18 column cavities.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.
This embodiment provides a gas tightness detection device for power plant's maintenance, this gas tightness detection device for power plant's maintenance is arranged in the maintenance of power plant to realize detecting the gas tightness of pipeline, through the structure of design gas tightness detection device for simpler when operating the pipeline reaches the purpose of short-term test gas tightness.
Referring to fig. 1 to 4, the airtightness detection device for power plant maintenance comprises a welding pipeline 1 and the welding pipeline 1, wherein two sealed inflatable bags 2 are sleeved on the outer surface of the welding pipeline 1, a sealed connecting cylinder 3 is fixedly connected between the two sealed inflatable bags 2, a barometer 4 is communicated with the outer surface of the sealed connecting cylinder 3, a gas collecting pipe 5 is communicated with the sealed inflatable bags 2, a gas transmission pipe 17 is communicated with the middle of the gas collecting pipe 5, a gas discharge pipe 6 is communicated with the outer surface of the gas transmission pipe 17, a gas discharge hole 7 is formed in the outer surface of the gas discharge pipe 6, a rotary sleeve cover 8 is connected to the outer surface of the gas discharge pipe 6 in a threaded manner, one end, far away from the gas collection pipe 5, of the gas transmission pipe 17 is communicated with a gas outlet valve cylinder 9, and a column cavity 18 is formed in the gas outlet valve cylinder 9.
Through cup jointing the device at the pipeline interface or the splice that needs the inspection, make airtight connection section of thick bamboo 3 be located pipeline interface or splice, inflate sealed gas cell 2 according to the thickness of pipeline, inflate the back inflation when two sealed gas cell 2 are aerifyd, and the airtight connection section of thick bamboo 3 insidely between two sealed gas cell 2 produces inclosed space, at this moment when splice or kneck run out gas, the change of the inside atmospheric pressure of airtight connection section of thick bamboo 3 can be quick observation to barometer 4 on the airtight connection section of thick bamboo 3, thereby the short-term test gas tightness.
The air outlet valve cylinder 9 is communicated with a gas transmission pipe 17, one end of the air outlet valve cylinder 9, which is far away from the gas transmission pipe 17, is communicated with an inflating bag 10, and by pressing the inflating bag 10, the gas in the inflating bag 10 is guided into the gas transmission pipe 17 through the air outlet valve cylinder 9, and the gas is guided into the gas collecting pipe 5 from the inside of the gas transmission pipe 17.
The cavity is opened in the inflating bag 10, and fixedly connected with supporting spring 12 between the interior roof of cavity and the interior diapire, when pressing inflating bag 10 back, inflating bag 10's interior roof presses supporting spring 12, makes supporting spring 12 shrink and hold power, when not pressing inflating bag 10, supporting spring 12 promotes the interior roof of inflating bag 10, makes inflating bag 10 recover.
The inflating bag 10 is communicated with an air inlet valve 11, the inflating bag 10 is made of rubber, the rubber is arranged, the air inflating bag 10 is convenient to reuse, the internal structure of the air inlet valve 11 is the same as that of the air outlet valve barrel 9, and the installation direction of the air inlet valve 11 is opposite to that of the air outlet valve barrel 9.
The inside of a gas outlet valve section of thick bamboo 9 is equipped with air inlet mechanism, and air inlet mechanism includes fixed ring piece 13 and jam piece 14, and the through hole has been seted up at the middle part of fixed ring piece 13, and fixed ring piece 13 and the inner wall fixed connection of post chamber 18, the through hole that fixed ring piece 13 was seted up is convenient for gaseous transmission, and the jam piece 14 of setting can be quick block up the through hole, prevents the gas reflux.
The side fixedly connected with sprue that the jam piece 14 is close to the fixed ring piece 13, the through-hole looks adaptation that sprue and fixed ring piece 13 were seted up, the sprue of setting is the rubber material, when sprue and through-hole looks joint, can carry out the separation to gas, has the effect that prevents the gas reflux.
A pushing spring 15 is arranged between the blocking piece 14 and the inner wall of the column cavity 18, two ends of the pushing spring 15 are respectively fixedly connected with the blocking piece 14 and the inner wall of the column cavity 18, and two ventilation grooves 16 are formed in the inner wall of the column cavity 18.
When gas is led out from the inflating bag 10, the gas pushes the blocking piece 14 to enable the blocking piece of the blocking piece 14 to be separated from the through hole, the gas penetrates through the through hole and is led into the gas transmission pipe 17 from the two ventilation grooves 16, and when the gas is not led in, the blocking piece 14 enables the blocking piece to be clamped with the through hole under the pushing of the pushing spring 15 to prevent the gas from flowing back.
The working principle is as follows: the device is sleeved at a pipeline interface or a welding part to be checked, the sealed connecting cylinder 3 is positioned at the pipeline interface or the welding part, the sealed inflatable bags 2 are inflated according to the thickness of a pipeline, the inflatable bags 10 are pressed, gas in the inflatable bags 10 is led into the gas transmission pipe 17 through the gas outlet valve cylinder 9, when the gas is not led in, the plugging piece 14 is pushed by the pushing spring 15 to enable the plugging piece to be clamped with the through hole to prevent gas backflow, the gas is led into the gas collecting pipe 5 from the inside of the gas transmission pipe 17, the gas is led into the two sealed inflatable bags 2 through the gas collecting pipe 5, when the inflatable bags 10 are not pressed, the supporting spring 12 pushes the inner top wall of the inflatable bags 10 to restore the inflatable bags 10, when the inflatable bags 10 are restored, external air is pumped into the inflatable bags 10 through the gas inlet valve 11, the next pressing of the inflatable bags 10 is facilitated, expand after two sealed gas cell 2 aerify, and the inside inclosed space that produces of airtight connecting tube 3 between two sealed gas cell 2, at this moment when the splice or kneck run out gas, the barometer 4 on the airtight connecting tube 3 can be quick observe the change of the inside atmospheric pressure of airtight connecting tube 3, thereby the short-term test gas tightness, finish when detecting, rotate rotatory upper shield 8, expose the gassing hole 7 that the surface of gassing pipe 6 was seted up, make gas derive from gassing hole 7, sealed gas cell 2 is shriveled fast, then take off can.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. The utility model provides a gas tightness detection device for power plant's maintenance, includes welding pipeline (1), its characterized in that: the outer surface of the welding pipeline (1) is sleeved with two sealed inflatable bags (2), a sealed connecting cylinder (3) is fixedly connected between the two sealed inflatable bags (2), the outer surface of the sealed connecting cylinder (3) is communicated with a barometer (4), the sealed inflatable bag (2) is communicated with a gas collecting pipe (5), the middle part of the gas collecting pipe (5) is communicated with a gas transmission pipe (17), the outer surface of the gas transmission pipe (17) is communicated with a gas discharge pipe (6), an air vent hole (7) is arranged on the outer surface of the air vent pipe (6), a rotary sleeve cover (8) is connected with the outer surface of the air vent pipe (6) in a threaded manner, one end of the gas transmission pipe (17) far away from the gas collecting pipe (5) is communicated with a gas outlet valve cylinder (9), an air inlet mechanism is arranged inside the air outlet valve cylinder (9), and a column cavity (18) is formed inside the air outlet valve cylinder (9).
2. The airtightness detection apparatus for power plant maintenance according to claim 1, wherein: the air outlet valve cylinder (9) is communicated with the gas transmission pipe (17), and one end, far away from the gas transmission pipe (17), of the air outlet valve cylinder (9) is communicated with an inflating bag (10).
3. The airtightness detection apparatus for power plant maintenance according to claim 2, wherein: a cavity is formed in the inflating bag (10), and a supporting spring (12) is fixedly connected between the inner top wall and the inner bottom wall of the cavity.
4. The airtightness detection apparatus for power plant maintenance according to claim 3, wherein: the inflating bag (10) is communicated with an air inlet valve (11), and the inflating bag (10) is made of rubber.
5. The airtightness detection apparatus for power plant maintenance according to claim 1, wherein: the air inlet mechanism comprises a fixed ring piece (13) and a blocking piece (14), a through hole is formed in the middle of the fixed ring piece (13), and the fixed ring piece (13) is fixedly connected with the inner wall of the column cavity (18).
6. The airtightness detection apparatus for power plant maintenance according to claim 5, wherein: the side surface of the blocking piece (14) close to the fixed ring piece (13) is fixedly connected with a blocking block, and the blocking block is matched with a through hole formed in the fixed ring piece (13).
7. The airtightness detection apparatus for power plant maintenance according to claim 5, wherein: a pushing spring (15) is arranged between the blocking piece (14) and the inner wall of the column cavity (18), two ends of the pushing spring (15) are fixedly connected with the blocking piece (14) and the inner wall of the column cavity (18) respectively, and two ventilation grooves (16) are formed in the inner wall of the column cavity (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122580571.5U CN216309361U (en) | 2021-10-26 | 2021-10-26 | Airtightness detection device for power plant maintenance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122580571.5U CN216309361U (en) | 2021-10-26 | 2021-10-26 | Airtightness detection device for power plant maintenance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216309361U true CN216309361U (en) | 2022-04-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122580571.5U Expired - Fee Related CN216309361U (en) | 2021-10-26 | 2021-10-26 | Airtightness detection device for power plant maintenance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216309361U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117990307A (en) * | 2024-04-03 | 2024-05-07 | 临沂市计量检定所 | Tightness detection equipment of air sampling device |
-
2021
- 2021-10-26 CN CN202122580571.5U patent/CN216309361U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117990307A (en) * | 2024-04-03 | 2024-05-07 | 临沂市计量检定所 | Tightness detection equipment of air sampling device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |