CN216349437U - Auxiliary device for pressure pipeline detection - Google Patents
Auxiliary device for pressure pipeline detection Download PDFInfo
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- CN216349437U CN216349437U CN202123058783.3U CN202123058783U CN216349437U CN 216349437 U CN216349437 U CN 216349437U CN 202123058783 U CN202123058783 U CN 202123058783U CN 216349437 U CN216349437 U CN 216349437U
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- pressure
- pipeline
- pipe
- wall
- measuring
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- Measuring Fluid Pressure (AREA)
Abstract
The utility model belongs to the field of pressure pipeline airtightness detection, and relates to a pressure pipeline detection auxiliary device which comprises a pressure measuring pipe, wherein the pressure measuring pipe is sleeved on the periphery of a pressure pipeline to be detected, the outer wall of the middle part of the pressure measuring pipe and the outer wall of the pressure pipeline enclose a cavity, two ends of the cavity are respectively provided with an inflating sealing ring, the inflating sealing rings are communicated with an inflator, the outer wall of the pressure pipeline on one side opposite to the two inflating sealing rings encloses a pressure measuring chamber, the pressure measuring chamber is communicated with a vacuum pump, the inner wall of the pressure measuring pipe corresponding to the pressure measuring chamber is provided with a pressure sensor, and two ends of the pressure measuring pipe are respectively and fixedly connected with a pressing mechanism. The utility model has simple structure and convenient use, and can detect the air tightness of the pressure pipeline and simultaneously position the specific leakage position.
Description
Technical Field
The utility model relates to a pressure pipeline detection auxiliary device, and belongs to the field of pressure pipeline air tightness detection.
Background
After the pressure pipeline works for a long time, the phenomenon of leakage caused by aging is easy to occur, particularly the welding seam connection part of the pressure pipeline causes the waste of raw materials, and the safety and reliability are low; the existing pressure pipeline air tightness detection device is complex in structure and inconvenient to use, the specific leakage position of the pressure pipeline cannot be accurately judged, and when a leakage gap on the pressure pipeline is small, whether the pressure pipeline leaks or not cannot be detected and judged; the leakage position of the pressure pipeline can not be repaired in time, so that the pressure leakage problem is enlarged, the maintenance cost is increased, and the maintenance efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: overcome prior art's not enough, provide a pipeline under pressure detection auxiliary device, simple structure, convenient to use fixes a position concrete leakage position when detecting pipeline under pressure gas tightness.
The pressure pipeline detection auxiliary device comprises a pressure measuring pipe, wherein the pressure measuring pipe is sleeved on the periphery of a pressure pipeline to be detected, the outer wall of the middle part of the pressure measuring pipe and the outer wall of the pressure pipeline enclose a cavity, inflation sealing rings are arranged at two ends of the cavity respectively and are communicated with an inflator, the outer wall of the pressure pipeline at one side opposite to the two inflation sealing rings encloses a pressure measuring chamber, the pressure measuring chamber is communicated with a vacuum pump, a pressure sensor is arranged on the inner wall of the pressure measuring pipe corresponding to the pressure measuring chamber, and two ends of the pressure measuring pipe are fixedly connected with a pressing mechanism respectively.
When the device is used, the pressing mechanism presses the pressure pipeline to fix the device, the inflating sealing ring is inflated by the inflator, the inflated inflating sealing ring seals the pressure measuring chamber, the vacuum pump is started to vacuumize the pressure measuring chamber for a certain time, the pressure sensor detects the pressure of the pressure measuring chamber, the pressure sensor is externally connected with the control system, the pressure sensor feeds the detected pressure value back to the control system, a worker can observe whether the pressure of the pressure measuring chamber measured by the pressure sensor changes or not according to the control system, if the pressure changes, the pressure pipeline is indicated to have leakage at the position, and if the pressure does not change, the pressure pipeline is indicated to have no leakage at the position. The utility model has simple structure and convenient use, the pressure measuring chamber is vacuumized by the vacuumizing pump, and then whether the pressure value of the pressure measuring chamber detected by the pressure sensor is changed or not is observed, the detection efficiency is high, and the specific leakage position can be positioned.
Preferably, the pressing mechanism comprises a pressing seat, one side of the pressing seat is fixed on the pressure measuring pipe, the pressing seat is in threaded fit with the pressing bolt, and the bottom of the pressing bolt is opposite to the pressure pipeline. When the pressure pipeline to-be-detected position is detected, the pressure pipeline to-be-detected position is sleeved with the pressure pipeline to-be-detected position, and the compression bolt is screwed down, so that the bottom of the compression bolt abuts against the outer wall of the corresponding pressure pipeline.
Preferably, the lower part of the pressing seat is in an arc shape matched with the outer wall of the pressure pipeline, so that the pressing seat is clamped with the pressure pipeline in a matching mode.
Preferably, the inner wall of the pressure measuring pipe corresponding to the two ends of the cavity in the middle of the pressure measuring pipe is provided with a groove, and the inflatable sealing ring is arranged in the groove.
Preferably, the inflatable sealing ring is communicated with the inflator through a vent pipeline, and the vent pipeline is provided with an exhaust valve. When the pressure measuring device is used, under the action of the inflator, air enters the inflating sealing ring through the vent pipeline, the inflating sealing ring inflates to seal the pressure measuring chamber, the exhaust valve is in a closed state when the tightness of the pressure pipeline is detected, and the exhaust valve is opened to deflate when the detection is finished, so that the pressure measuring device is favorable for detecting different positions of the outer wall of the pressure pipeline.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model has reasonable structural design and convenient use, the pressure measuring chamber is vacuumized by the vacuum pump, and then whether the pressure value of the pressure measuring chamber detected by the pressure sensor is changed or not is observed, the detection efficiency is high, and the specific leakage position can be positioned. When the pressure pipeline is detected, the inflating sealing ring is inflated through the inflator, so that the inflated inflating sealing ring seals the pressure measuring chamber, the sealing effect is good, the detection structure is accurate, the inflating sealing ring can be deflated by opening the exhaust valve after the detection is finished, and the movement of the pressure pipeline detection device is facilitated for detecting different positions of the outer wall of the pressure pipeline.
Drawings
FIG. 1 is a schematic structural view of a pressure pipeline detection auxiliary device;
fig. 2 is a schematic diagram of a structure of a pressure pipeline pressed by a pressing mechanism.
In the figure: 1. a pressure line; 2. a vent line; 3. an inflator; 4. an exhaust valve; 5. a groove; 6. an inflatable sealing ring; 7. a piezometric tube; 8. a hold-down bolt; 9. a pressing seat; 10. a vacuum pump is pumped; 11. a pressure sensor; 12. and a pressure measuring chamber.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in fig. 1 and 2, the auxiliary device for pressure pipeline detection according to the present invention includes a pressure measuring tube 7, the pressure measuring tube 7 is sleeved on the periphery of a pressure pipeline 1 to be detected, a cavity is defined by the outer wall of the middle portion of the pressure measuring tube 7 and the outer wall of the pressure pipeline 1, two ends of the cavity are respectively provided with an inflatable sealing ring 6, the inflatable sealing rings 6 are communicated with an inflator 3, the outer wall of the pressure pipeline on one side opposite to the two inflatable sealing rings 6 is defined as a pressure measuring chamber 12, the pressure measuring chamber 12 is communicated with a vacuum pump 10, the inner wall of the pressure measuring tube 7 corresponding to the pressure measuring chamber 12 is provided with a pressure sensor 11, and two ends of the pressure measuring tube 7 are respectively and fixedly connected with a pressing mechanism.
In this embodiment:
the pressing mechanism comprises a pressing seat 9, one side of the pressing seat 9 is fixed on the pressure measuring pipe 7, the pressing seat 9 is in threaded fit with the pressing bolt 8, and the bottom of the pressing bolt 8 is opposite to the pressure pipeline 1. When the pressure pipeline 1 to-be-detected position is detected, the pressure pipeline 1 to-be-detected position is sleeved with the pressure pipeline 8, and the compression bolt 8 is screwed down, so that the bottom of the compression bolt 8 abuts against the outer wall of the corresponding pressure pipeline 1.
The lower part of the pressing seat 9 is in an arc shape matched with the outer wall of the pressure pipeline 1, so that the pressing seat 9 is matched and clamped with the pressure pipeline 1, and when the pressure pipeline 1 is detected, the pressure pipeline is not easy to move and has higher stability.
The inner wall of the pressure measuring pipe 7 corresponding to the two ends of the cavity in the middle of the pressure measuring pipe 7 is provided with a groove 5, and an inflatable sealing ring 6 is arranged in the groove 5.
The inflatable sealing ring 6 is communicated with the inflator 3 through the vent pipe 2, and the vent pipe 2 is provided with an exhaust valve 4. When the pressure measuring device is used, under the action of the inflator 3, air enters the inflating sealing ring 6 through the vent pipeline 2, the inflating sealing ring 6 inflates to seal the pressure measuring chamber 12, the exhaust valve 4 is in a closed state when the tightness of the pressure pipeline 1 is detected, and the exhaust valve 4 is opened to deflate when the detection is finished, so that the pressure measuring device is favorable for moving to detect different positions of the outer wall of the pressure pipeline 1.
During the specific working process, the pressure measuring pipe 7 is sleeved at the position to be measured of the pressure pipeline 1, and the compression bolt 8 is screwed down, so that the bottom of the compression bolt 8 abuts against the outer wall of the corresponding pressure pipeline 1; the inflator 3 is used for inflating the inflatable sealing ring 6, the inflated inflatable sealing ring 6 is used for sealing the pressure measuring chamber 12, then the vacuum pumping pump 10 is started to pump the pressure measuring chamber 12 for a certain time, the pressure sensor 11 detects the pressure of the pressure measuring chamber 12, the pressure sensor 11 is externally connected with a control system, the pressure sensor 11 feeds the detected pressure value back to the control system, a worker can observe whether the pressure of the pressure measuring chamber 12 measured by the pressure sensor 11 changes or not according to the control system, if the pressure changes, the pressure pipeline 1 is indicated to have leakage at the position, and if the pressure does not change, the pressure pipeline 1 is indicated to have no leakage at the position.
Claims (5)
1. The utility model provides a pipeline under pressure detects auxiliary device which characterized in that: including pressure-measuring pipe (7), pressure-measuring pipe (7) cover is established in the periphery of treating pressure-measuring pipeline (1), pressure-measuring pipe (7) middle part outer wall encloses into the cavity with pressure pipeline (1) outer wall, the cavity both ends set up inflatable seal ring (6) respectively, inflatable seal ring (6) intercommunication inflater (3), two inflatable seal ring (6) relative one side pressure pipeline outer walls enclose into pressure-measuring chamber (12), pressure-measuring chamber (12) intercommunication evacuation pump (10), and be equipped with pressure sensor (11) on the inner wall of pressure-measuring pipe (7) that pressure-measuring chamber (12) correspond, fixed connection hold-down mechanism respectively at pressure-measuring pipe (7) both ends.
2. The pressure pipe detection aid of claim 1, wherein: the pressing mechanism comprises a pressing seat (9), one side of the pressing seat (9) is fixed on the pressure measuring pipe (7), the pressing seat (9) is in threaded fit with the pressing bolt (8), and the bottom of the pressing bolt (8) is opposite to the pressure pipeline (1).
3. The pressure pipe detection auxiliary device according to claim 1 or 2, characterized in that: the lower part of the pressing seat (9) is in an arc shape matched with the outer wall of the pressure pipeline (1).
4. The pressure pipe detection aid of claim 1, wherein: the inner walls of the pressure measuring pipes (7) corresponding to the two ends of the cavity in the middle of the pressure measuring pipe (7) are provided with grooves (5), and the inflatable sealing rings (6) are arranged in the grooves (5).
5. The pressure pipe detection aid of claim 1, wherein: the inflating sealing ring (6) is communicated with the inflator (3) through the vent pipe (2), and the vent pipe (2) is provided with an exhaust valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123058783.3U CN216349437U (en) | 2021-12-07 | 2021-12-07 | Auxiliary device for pressure pipeline detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123058783.3U CN216349437U (en) | 2021-12-07 | 2021-12-07 | Auxiliary device for pressure pipeline detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216349437U true CN216349437U (en) | 2022-04-19 |
Family
ID=81161062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123058783.3U Active CN216349437U (en) | 2021-12-07 | 2021-12-07 | Auxiliary device for pressure pipeline detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216349437U (en) |
-
2021
- 2021-12-07 CN CN202123058783.3U patent/CN216349437U/en active Active
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