CN204008030U - A kind of pipe adapter leak detection apparatus - Google Patents
A kind of pipe adapter leak detection apparatus Download PDFInfo
- Publication number
- CN204008030U CN204008030U CN201420409130.6U CN201420409130U CN204008030U CN 204008030 U CN204008030 U CN 204008030U CN 201420409130 U CN201420409130 U CN 201420409130U CN 204008030 U CN204008030 U CN 204008030U
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- China
- Prior art keywords
- pad
- pipe adapter
- joint flange
- surge tank
- pressing plate
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of pipe adapter leak detection apparatus, comprise helium tank, stop valve, surge tank, collect air bag and helium mass spectrometer leak detector, helium tank outlet is connected with stop valve one end, the stop valve other end is connected with surge tank import, Bonding pressure table on surge tank, surge tank top is provided with pipe adapter bindiny mechanism, pipe adapter bindiny mechanism comprises joint flange, pressing plate, the first pad and the second pad, joint flange is fixed on surge tank top, pressing plate is arranged on joint flange top, the second pad is arranged on pressing plate lower surface, the first pad is arranged on joint flange upper surface, pipe adapter is arranged between the first pad and the second pad, the center of joint flange and the first pad all has through hole, pressing plate is connected by securing member and joint flange, collect Air sac cover outside pipe adapter possibility leak site, helium mass spectrometer leak detector suction gun is communicated with in collection air bag.The utility model can detect the leakage of pipe adapter, and detection sensitivity, precision, efficiency are all high.
Description
Technical field
The utility model belongs to leak detection technical field, is specifically related to a kind of pipe adapter leak detection apparatus.
Background technology
Pipe adapter is as a kind of crossover sub, be widely used in the industries such as oil, chemical industry, boats and ships, space flight, military project, machinery, building, medicine, main pattern has: hydraulic flexible pipe joint, ferrule-type compression joint, socket-welding fitting, blast composite tube joint, screw connected pipe adapter etc.In some use occasion, very high to the sealing property requirement of position between two pipes of formation pipe adapter (being pipe adapter possibility leak site), do not allowed any leakage.At present, the major way that detector tube joint is revealed is the method for leaking hunting in water, and in water, the method for leaking hunting is that pipe adapter two ends are sealed, in pipe adapter, be filled with pressurized air, pipe adapter may leak site be placed in water, adopt visualization bubbling situation, come detector tube joint whether to have leakage.When pipe adapter exists trace to reveal, this mode is inapplicable, and cannot determine leakage rate.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, a kind of pipe adapter leak detection apparatus is provided, it is simple in structure, reasonable in design and use easy to operate, solved the problem that cannot detect the pipe adapter that exists trace to reveal in prior art, detection sensitivity is high, accuracy of detection is high, and detection efficiency is high.
For achieving the above object, the technical solution adopted in the utility model is: a kind of pipe adapter leak detection apparatus, it is characterized in that: comprise helium tank, stop valve, surge tank, collect air bag and helium mass spectrometer leak detector, the outlet of described helium tank is connected with one end of stop valve, the other end of described stop valve is connected with the import of surge tank, on described surge tank, be connected with tensimeter, the top of described surge tank is provided with the pipe adapter bindiny mechanism for connecting pipe joint, described pipe adapter bindiny mechanism comprises joint flange, pressing plate, the first pad and the second pad, described joint flange sealing is fixed on the top of surge tank, described pressing plate is arranged on the top of joint flange, described the second pad is arranged on the lower surface of pressing plate, described the first pad is arranged on the upper surface of joint flange, described pipe adapter is arranged between the first pad and the second pad, the center of described joint flange and the first pad all has through hole and two through hole communicates, described through hole communicates with the inside of pipe adapter, described pressing plate is fixedly connected with and is pressed on the second pad by securing member with joint flange, described collection Air sac cover outside the possible leak site of pipe adapter and with pipe adapter between mutually sealing, the suction gun of described helium mass spectrometer leak detector and the internal communication of collecting air bag.
Above-mentioned a kind of pipe adapter leak detection apparatus, is characterized in that: between the sidewall and joint flange of described the first pad, be provided with vacuum cement between the lower end, outside of pipe adapter and the first pad and between the outer upper end of pipe adapter and the second pad.
Above-mentioned a kind of pipe adapter leak detection apparatus, is characterized in that: described securing member is bolt, and the screw rod of described bolt passes successively from the bottom to top joint flange and pressing plate and end and is provided with nut, and described nut abuts against on the upper surface of pressing plate.
Above-mentioned a kind of pipe adapter leak detection apparatus, is characterized in that: the connected mode of described joint flange and surge tank is welding.
Above-mentioned a kind of pipe adapter leak detection apparatus, is characterized in that: described the first pad and the second pad are silica gel pad.
The utility model compared with prior art has the following advantages:
1, the utility model is simple in structure, reasonable in design and use easy to operate.
2, the utility model is applicable to the detection of pipe adapter under different leakage rate requirements, and accuracy of detection is high.
3, in the utility model testing process, pipe adapter two ends contact with the second pad with the first pad respectively, between pipe adapter and the first pad and the second pad, are flexible contact, can pipe adapter two ends not caused wearing and tearing, be scratched; During dismounting, by bolt, nut separation, vacuum cement is removed, the pipe adapter after just can being detected, convenient disassembly.
4, in the utility model, pipe adapter adopts pipe adapter bindiny mechanism to be fixedly connected on the top of surge tank, does not need welding, machine work, has shortened detection time, has improved detection efficiency.
5, the utility model has solved the problem that the pipe adapter to existing trace to reveal cannot detect, and adopts helium mass spectrometer leak detector to carry out the leakage of detector tube joint, and detection sensitivity is high.
Below by drawings and Examples, the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is use constitutional diagram of the present utility model.
Fig. 2 is that the installation of the utility model joint flange, pressing plate, the first pad, the second pad, collection air bag and pipe adapter is related to schematic diagram.
Description of reference numerals:
1-helium tank; 2-stop valve; 3-surge tank;
4-helium mass spectrometer leak detector; 5-joint flange; 6-securing member;
The 7-the first pad; 8-pipe adapter; 9-collection air bag;
The 10-the second pad; 11-pressing plate; 12-tensimeter;
13-through hole; 14-vacuum cement; 15-nut.
Embodiment
As depicted in figs. 1 and 2, the utility model comprises helium tank 1, stop valve 2, surge tank 3, collect air bag 9 and helium mass spectrometer leak detector 4, the outlet of described helium tank 1 is connected with one end of stop valve 2, the other end of described stop valve 2 is connected with the import of surge tank 3, on described surge tank 3, be connected with tensimeter 12, the top of described surge tank 3 is provided with the pipe adapter bindiny mechanism for connecting pipe joint 8, described pipe adapter bindiny mechanism comprises joint flange 5, pressing plate 11, the first pad 7 and the second pad 10, described joint flange 5 sealings are fixed on the top of surge tank 3, described pressing plate 11 is arranged on the top of joint flange 5, described the second pad 10 is arranged on the lower surface of pressing plate 11, described the first pad 7 is arranged on the upper surface of joint flange 5, described pipe adapter 8 is arranged between the first pad 7 and the second pad 10, the center of described joint flange 5 and the first pad 7 all has through hole 13 and two through hole 13 communicates, described through hole 13 communicates with the inside of pipe adapter 8, described pressing plate 11 is fixedly connected with and is pressed on the second pad 10 by securing member 6 and joint flange 5, described collection air bag 9 be enclosed within the possible leak site of pipe adapter 8 outer and with pipe adapter 8 between sealing mutually, the suction gun of described helium mass spectrometer leak detector 4 and the internal communication of collecting air bag 9.
As depicted in figs. 1 and 2, between the sidewall of described the first pad 7 and joint flange 5, be provided with vacuum cement 14 between the lower end, outside of pipe adapter 8 and the first pad 7 and between the outer upper end of pipe adapter 8 and the second pad 10, to prevent the trace leakage of helium, guarantee sealing.
As depicted in figs. 1 and 2, described securing member 6 is bolt, and the screw rod of described bolt passes successively from the bottom to top joint flange 5 and pressing plate 11 and end and is provided with nut 15, and described nut 15 abuts against on the upper surface of pressing plate 11; Adopt screw bolt and nut to coordinate joint flange 5 is fixedly connected with pressing plate 11, easy to connect, fixing reliable, and can make pressing plate 11 be pressed on the second pad 10, prevent that in testing process, helium is revealed.
In the present embodiment, described joint flange 5 is welding with the connected mode of surge tank 3, and connected mode is simple, and sealing is fixing reliable.
In the present embodiment, described the first pad 7 and the second pad 10 are silica gel pad, and elasticity and the hardness of silica gel pad are moderate, if the pad of selecting is too soft, distortion is too large, cannot recover, and cannot recycle; If the pad of selecting is too hard, pad is not yielding, can cause the leakage of helium.
Secondly testing process of the present utility model is: first pipe adapter to be detected 8 is fixedly connected on to the top of surge tank 3 by pipe adapter bindiny mechanism, by collecting air bag 9, to be enclosed within possible the leak site of pipe adapter 8 outer and make to collect between air bag 9 and pipe adapter 8 and seal mutually; Bonding pressure table 12 on surge tank 3 again, connects stop valve 2 in the import of surge tank 3, and the other end of stop valve 2 is connected with the outlet of helium tank 1.After connecting, open stop valve 2, the helium in helium tank 1 is filled with in surge tank 3, helium in surge tank 3 enters in pipe adapter 8 successively after the center through hole 13 of joint flange 5 and the first pad 7, observe tensimeter 12, pressure in surge tank 3 reaches after testing requirement pressure, closes stop valve 2, and pressurize 10 minutes.Open helium mass spectrometer leak detector 4, according to pipe adapter accuracy of detection, require to set the detection slip of helium mass spectrometer leak detector 4, by the suction gun of helium mass spectrometer leak detector 4 and the internal communication of collecting air bag 9.When pipe adapter 8 has leakage, helium enters helium mass spectrometer leak detector 4 by suction gun, and helium mass spectrometer leak detector 4 sends chimes of doom, just can determine that the leakage rate of pipe adapter 8 has surpassed the slip of setting requirement, pipe adapter exists and leaks, and the leakage rate of this pipe adapter can not meet the request for utilization of pipe adapter; As helium mass spectrometer leak detector 4 does not send chimes of doom, illustrate that the leakage rate of pipe adapter 8 does not surpass and sets the slip requiring, the leakage rate of this pipe adapter can meet the request for utilization of pipe adapter.Pipe adapter 8 is fixedly connected on the top of surge tank 3 by pipe adapter bindiny mechanism, concrete operating process is: the top that joint flange 5 is welded on to surge tank 3, then the first pad 7 and pipe adapter 8 are placed on joint flange 5 successively, the second pad 10 and pressing plate 11 are placed on successively to the outer upper end of pipe adapter 8, by securing member 6, pressing plate 11 and joint flange 5 are fixed together again, by nut 15, pressing plate 11 are pressed on the second pad 10; Finally between the sidewall and joint flange 5 of the first pad 7, use vacuum cement 14 to seal between the lower end, outside of pipe adapter 8 and the first pad 7 and between the outer upper end of pipe adapter 8 and the second pad 10, to prevent the trace leakage of helium, guarantee sealing.In the utility model, stop valve 2 is for the detected pressures of regulating and controlling surge tank 3 interior helium, and tensimeter 12 is for the detected pressures of display buffer tank 3 interior helium, and the possible leak site of pipe adapter 8 is isolated itself and outside air by collecting air bag 9.
The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification, change and equivalent structure transformation of above embodiment being done according to the utility model technical spirit, all still belongs in the protection domain of technical solutions of the utility model.
Claims (5)
1. a pipe adapter leak detection apparatus, it is characterized in that: comprise helium tank (1), stop valve (2), surge tank (3), collect air bag (9) and helium mass spectrometer leak detector (4), the outlet of described helium tank (1) is connected with one end of stop valve (2), the other end of described stop valve (2) is connected with the import of surge tank (3), on described surge tank (3), be connected with tensimeter (12), the top of described surge tank (3) is provided with the pipe adapter bindiny mechanism for connecting pipe joint (8), described pipe adapter bindiny mechanism comprises joint flange (5), pressing plate (11), the first pad (7) and the second pad (10), described joint flange (5) sealing is fixed on the top of surge tank (3), described pressing plate (11) is arranged on the top of joint flange (5), described the second pad (10) is arranged on the lower surface of pressing plate (11), described the first pad (7) is arranged on the upper surface of joint flange (5), described pipe adapter (8) is arranged between the first pad (7) and the second pad (10), the center of described joint flange (5) and the first pad (7) all has through hole (13) and two through hole (13) communicates, described through hole (13) communicates with the inside of pipe adapter (8), described pressing plate (11) is fixedly connected with and is pressed on the second pad (10) by securing member (6) and joint flange (5), described collection air bag (9) be enclosed within the possible leak site of pipe adapter (8) outer and with pipe adapter (8) between sealing mutually, the suction gun of described helium mass spectrometer leak detector (4) and the internal communication of collecting air bag (9).
2. according to a kind of pipe adapter leak detection apparatus claimed in claim 1, it is characterized in that: between the sidewall of described the first pad (7) and joint flange (5), be provided with vacuum cement (14) between the lower end, outside of pipe adapter (8) and the first pad (7) and between the outer upper end of pipe adapter (8) and the second pad (10).
3. according to a kind of pipe adapter leak detection apparatus claimed in claim 1, it is characterized in that: described securing member (6) is bolt, the screw rod of described bolt passes successively from the bottom to top joint flange (5) and pressing plate (11) and end and is provided with nut (15), and described nut (15) abuts against on the upper surface of pressing plate (11).
4. according to a kind of pipe adapter leak detection apparatus claimed in claim 1, it is characterized in that: described joint flange (5) is welding with the connected mode of surge tank (3).
5. according to a kind of pipe adapter leak detection apparatus claimed in claim 1, it is characterized in that: described the first pad (7) and the second pad (10) are silica gel pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409130.6U CN204008030U (en) | 2014-07-23 | 2014-07-23 | A kind of pipe adapter leak detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420409130.6U CN204008030U (en) | 2014-07-23 | 2014-07-23 | A kind of pipe adapter leak detection apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204008030U true CN204008030U (en) | 2014-12-10 |
Family
ID=52048010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420409130.6U Withdrawn - After Issue CN204008030U (en) | 2014-07-23 | 2014-07-23 | A kind of pipe adapter leak detection apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204008030U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075855A (en) * | 2014-07-23 | 2014-10-01 | 西安优耐特容器制造有限公司 | Pipe joint leakage detector |
| CN105181267A (en) * | 2015-07-17 | 2015-12-23 | 武汉工程大学 | Device for testing leakage rate of bolted flange connection system |
| CN106404287A (en) * | 2016-09-09 | 2017-02-15 | 青岛海斯兰德新材料有限公司 | Integrated air bag leak detection apparatus |
| CN114636522A (en) * | 2022-03-30 | 2022-06-17 | 武汉工程大学 | External heating ultra-high temperature flange sealing performance detection system |
-
2014
- 2014-07-23 CN CN201420409130.6U patent/CN204008030U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104075855A (en) * | 2014-07-23 | 2014-10-01 | 西安优耐特容器制造有限公司 | Pipe joint leakage detector |
| CN104075855B (en) * | 2014-07-23 | 2016-04-06 | 西安优耐特容器制造有限公司 | A kind of pipe adapter leak detection apparatus |
| CN105181267A (en) * | 2015-07-17 | 2015-12-23 | 武汉工程大学 | Device for testing leakage rate of bolted flange connection system |
| CN105181267B (en) * | 2015-07-17 | 2018-06-08 | 武汉工程大学 | For testing the device of Bolted Flanged Connection system leak rate |
| CN106404287A (en) * | 2016-09-09 | 2017-02-15 | 青岛海斯兰德新材料有限公司 | Integrated air bag leak detection apparatus |
| CN114636522A (en) * | 2022-03-30 | 2022-06-17 | 武汉工程大学 | External heating ultra-high temperature flange sealing performance detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141210 Effective date of abandoning: 20160406 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |