CN203275034U - Automatic detection device for leakage test of helium - Google Patents
Automatic detection device for leakage test of helium Download PDFInfo
- Publication number
- CN203275034U CN203275034U CN 201320217501 CN201320217501U CN203275034U CN 203275034 U CN203275034 U CN 203275034U CN 201320217501 CN201320217501 CN 201320217501 CN 201320217501 U CN201320217501 U CN 201320217501U CN 203275034 U CN203275034 U CN 203275034U
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- China
- Prior art keywords
- vacuum
- tight
- housing
- pressing plate
- press plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000001307 helium Substances 0.000 title claims abstract description 16
- 229910052734 helium Inorganic materials 0.000 title claims abstract description 16
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 title abstract description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims description 25
- 238000012856 packing Methods 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 7
- 238000007689 inspection Methods 0.000 claims description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims description 4
- 208000002925 dental caries Diseases 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000001819 mass spectrum Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to an automatic detection device for a leakage test of helium. The device comprises a case, a display screen, a control button, a vacuum enclosure, a baseplate, a press plate and a sealing washer. The display screen and the control button are mounted at a front end of a panel of the case; the baseplate for supporting an aluminum alloy hub to be detected is installed inside the case, the vacuum enclosure is mounted on the baseplate in coaxial sealing manner, the press plate is mounted at an upper part in the vacuum enclosure in a coaxial sliding manner, a vertical hydraulic cylinder is mounted in the middle part of the press plate, the hydraulic cylinder drives the press plate to perform reciprocating motion upward and downward in a vertical direction in the vacuum enclosure, an outer edge of the press plate is in sealing sliding fit with an inner wall of the vacuum enclosure, and a space between the upper part of the press plate and the vacuum enclosure is vacuum. The automatic detection device for a leakage test of helium in the utility model is simple in structure, reasonable in design, energy-saving and environment-friendly, high in detection accuracy, good in sensitivity and high in accuracy, and can automatically detect internal air pressure. The device is also labor-saving, as much as 36,000 tons of water can be saved each year, and in addition, noise during field operation is obviously reduced, and the working environment can be effectively improved.
Description
Technical field
The utility model belongs to automobile manufacturing field, relates to the automotive hub Casting Equipment, the automatic leak test inspection machine of especially a kind of helium.
Background technology
Automotive hub needs to detect sealing through impermeability and reaches quality standards determining before dispatching from the factory, at present, it is all that employing water is that medium carries out the leak test check that automotive hub detects, aluminium alloy wheel hub is immersed in the water carries out pressure detection, need the workman to operate comparatively effort, the leak test result needs the workman artificially to judge, detects quality and may have error, precision is not high, and the water yield of consumption causes greatly larger waste.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of simple in structure, reasonable in design, energy-conserving and environment-protective, the automatic leak test inspection machine of helium that accuracy of detection is high are provided.
The utility model solves its technical matters and takes following technical scheme to realize:
The automatic leak test inspection machine of a kind of helium is characterized in that: comprise cabinet, display screen, control knob, vacuum (-tight) housing, base plate, pressing plate and packing washer, the cabinet panel front end is equipped with display screen and control knob;
Described cabinet inside is equipped be used to the base plate that supports aluminium alloy wheel hub to be detected, on this base plate, the co-axial seal cooperation is equipped with a vacuum (-tight) housing, the coaxial pressing plate that has been slidably installed of vacuum (-tight) housing internal upper part, the pressing plate middle part is equipped with a vertical hydraulic cylinder, this Driven by Hydraulic Cylinder pressing plate is vertical upper and lower moving back and forth in vacuum (-tight) housing, pressing plate outer and vacuum (-tight) housing inner wall sealing are slidably matched, and the space between pressing plate top and vacuum (-tight) housing is vacuum;
Pressing plate below be fixed with one with aluminium alloy wheel hub to be detected on along the packing washer that is sealed and matched, and be fixed with on base plate one with aluminium alloy wheel hub to be detected under along the packing washer that is sealed and matched, these upper and lower two packing washers and vacuum (-tight) housing are separated into two cavitys of inner chamber and exocoel section with aluminium alloy wheel hub to be detected, and vacuum (-tight) housing bottom one side of pressing plate below is shaped with a nitrogen input pipe that is communicated with exocoel; Described base plate middle part is shaped with a lumen tube that is communicated with inner chamber, and this lumen tube is communicated with vacuum pump and mass spectrometer respectively.
And described display screen and control knob are arranged on the middle part of cabinet front console.
And described display screen is used for carrying out the demonstration of setting parameter and the data such as demonstration concentrations of helium, pressure and mass spectrum result.
Advantage of the present utility model and good effect are:
Simple in structure, reasonable in design, energy-conserving and environment-protective of the present utility model, accuracy of detection are high, automatically detect air pressure inside, and the good degree of accuracy of sensitivity is high, save artificial, annual water saving reaches 3.6 ten thousand tons, and the noise of execute-in-place obviously reduces, and effectively improves working environment.
Description of drawings
Fig. 1 is schematic diagram of the present utility model;
Fig. 2 is the broken section structural representation of Fig. 1.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
The automatic leak test inspection machine of a kind of helium, comprise cabinet 1, display screen 2, control knob 3, vacuum (-tight) housing 5, base plate 11, pressing plate 6 and packing washer 7, cabinet front console middle part is equipped with display screen and control knob, display screen and control knob height dimension are convenient to workman's observation and operation, and described display screen is used for carrying out the demonstration of setting parameter and the data such as demonstration concentrations of helium, pressure and mass spectrum result;
Described cabinet inside is equipped be used to the base plate that supports aluminium alloy wheel hub 12 to be detected, on this base plate, the co-axial seal cooperation is equipped with a vacuum (-tight) housing, the coaxial pressing plate that has been slidably installed of vacuum (-tight) housing internal upper part, the pressing plate middle part is equipped with a vertical hydraulic cylinder 4, this Driven by Hydraulic Cylinder pressing plate is vertical upper and lower moving back and forth in vacuum (-tight) housing, pressing plate outer and vacuum (-tight) housing inner wall sealing are slidably matched, and the space between pressing plate top and vacuum (-tight) housing remains vacuum; Aluminium alloy wheel hub to be detected lies in a horizontal plane in vacuum (-tight) housing between pressing plate and base plate;
Pressing plate below be fixed with one with aluminium alloy wheel hub to be detected on along the packing washer that is sealed and matched, and be fixed with on base plate one with aluminium alloy wheel hub to be detected under along the packing washer that is sealed and matched, these upper and lower two packing washers and vacuum (-tight) housing are separated into independently cavity of two, inner chamber and exocoel section with aluminium alloy wheel hub to be detected, vacuum (-tight) housing bottom one side of pressing plate below is shaped with a nitrogen input pipe 8, and this nitrogen input pipe is communicated with the exocoel of aluminium alloy wheel hub to be detected outside; Described base plate middle part and the inner chamber of aluminium alloy wheel hub to be detected inside be communicated with the position be shaped with one be connected with the vacuum pump (not shown) lumen tube 10, this lumen tube also is connected to mass spectrometer (outsourcing device, demonstration in figure) by mass spectrometer detector tube 9.
The step of testing process is as follows:
by vacuum pump, inner chamber and exocoel all are evacuated to vacuum state, be 2.5～4bar at the exocoel charged pressure again, concentration is 5%～12% helium, when pressure reaches setting value, the mass spectrometer valve is opened, so if the helium that is vacuum state wheel gas leakage exocoel due to inner chamber can enter mass spectrometer moment, mass spectrometer is according to the slip of the helium gas molecules quantitative determination wheel that detects, equipment can compare with the standard leak rate of setting, if slip is judged to be gas leakage more than or equal to standard value, equipment goes to the gas leakage roller-way automatically, if slip is less than standard value and be judged to be the qualified certified products roller-way that goes to.Detecting complete rear helium to exocoel reclaims.So circulation realizes automatic judgement, the circulation of equipment, has reduced the erroneous judgement that human factor produces, and has improved production efficiency and product quality.
Although disclose for the purpose of illustration embodiment of the present utility model and accompanying drawing, but it will be appreciated by those skilled in the art that: in the spirit and scope that do not break away from the utility model and claims, various replacements, variation and modification are all possible, therefore, scope of the present utility model is not limited to embodiment and the disclosed content of accompanying drawing.
Claims (2)
1. automatic leak test inspection machine of helium, it is characterized in that: comprise cabinet, display screen, control knob, vacuum (-tight) housing, base plate, pressing plate and packing washer, the cabinet panel front end is equipped with display screen and control knob;
Described cabinet inside is equipped be used to the base plate that supports aluminium alloy wheel hub to be detected, on this base plate, the co-axial seal cooperation is equipped with a vacuum (-tight) housing, the coaxial pressing plate that has been slidably installed of vacuum (-tight) housing internal upper part, the pressing plate middle part is equipped with a vertical hydraulic cylinder, this Driven by Hydraulic Cylinder pressing plate is vertical upper and lower moving back and forth in vacuum (-tight) housing, pressing plate outer and vacuum (-tight) housing inner wall sealing are slidably matched, and the space between pressing plate top and vacuum (-tight) housing is vacuum;
Pressing plate below be fixed with one with aluminium alloy wheel hub to be detected on along the packing washer that is sealed and matched, and be fixed with on base plate one with aluminium alloy wheel hub to be detected under along the packing washer that is sealed and matched, these upper and lower two packing washers and vacuum (-tight) housing are separated into two cavitys of inner chamber and exocoel section with aluminium alloy wheel hub to be detected, and vacuum (-tight) housing bottom one side of pressing plate below is shaped with a nitrogen input pipe that is communicated with exocoel; Described base plate middle part is shaped with a lumen tube that is communicated with inner chamber, and this lumen tube is communicated with vacuum pump and mass spectrometer respectively.
2. the automatic leak test inspection machine of helium according to claim 1, it is characterized in that: described display screen and control knob are arranged on the middle part of cabinet front console.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217501 CN203275034U (en) | 2013-04-25 | 2013-04-25 | Automatic detection device for leakage test of helium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320217501 CN203275034U (en) | 2013-04-25 | 2013-04-25 | Automatic detection device for leakage test of helium |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203275034U true CN203275034U (en) | 2013-11-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320217501 Expired - Lifetime CN203275034U (en) | 2013-04-25 | 2013-04-25 | Automatic detection device for leakage test of helium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203275034U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822761A (en) * | 2014-01-03 | 2014-05-28 | 中国空间技术研究院 | Sealing detection apparatus and method |
| CN106289664A (en) * | 2016-08-02 | 2017-01-04 | 高田（长兴）汽车安全装置有限公司 | Gas generator igniter seat sealing device for fast detecting |
| CN106595981A (en) * | 2016-12-31 | 2017-04-26 | 重庆高威汽车科技有限公司 | Aluminum alloy hub air-tightness detection method |
| TWI583934B (en) * | 2014-09-10 | 2017-05-21 | Shimadzu Emit Co Ltd | Helium leak detector |
| CN106840537A (en) * | 2017-03-13 | 2017-06-13 | 福建申利卡铝业发展有限公司 | A kind of helium leak test gas technique |
| CN107024323A (en) * | 2015-11-26 | 2017-08-08 | 雅马哈精密科技株式会社 | Leak inspection device and leak test method |
| CN108956026A (en) * | 2018-09-18 | 2018-12-07 | 博众精工科技股份有限公司 | Overhead welding air tightness detection system |
| CN111051841A (en) * | 2017-09-21 | 2020-04-21 | 株式会社电装 | Leak inspection device and leak inspection method |
-
2013
- 2013-04-25 CN CN 201320217501 patent/CN203275034U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822761A (en) * | 2014-01-03 | 2014-05-28 | 中国空间技术研究院 | Sealing detection apparatus and method |
| TWI583934B (en) * | 2014-09-10 | 2017-05-21 | Shimadzu Emit Co Ltd | Helium leak detector |
| CN107024323A (en) * | 2015-11-26 | 2017-08-08 | 雅马哈精密科技株式会社 | Leak inspection device and leak test method |
| CN107024323B (en) * | 2015-11-26 | 2020-09-22 | 雅马哈精密科技株式会社 | Leak inspection device and leak inspection method |
| CN106289664A (en) * | 2016-08-02 | 2017-01-04 | 高田（长兴）汽车安全装置有限公司 | Gas generator igniter seat sealing device for fast detecting |
| CN106595981A (en) * | 2016-12-31 | 2017-04-26 | 重庆高威汽车科技有限公司 | Aluminum alloy hub air-tightness detection method |
| CN106840537A (en) * | 2017-03-13 | 2017-06-13 | 福建申利卡铝业发展有限公司 | A kind of helium leak test gas technique |
| CN111051841A (en) * | 2017-09-21 | 2020-04-21 | 株式会社电装 | Leak inspection device and leak inspection method |
| CN108956026A (en) * | 2018-09-18 | 2018-12-07 | 博众精工科技股份有限公司 | Overhead welding air tightness detection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN LIZHONG WHEEL CO.,LTD. Effective date: 20140929 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140929 Address after: 300457 District A, Guanghua Road, Tanggu economic and Technological Development Zone, Tianjin, No. 58 Patentee after: TIANJIN DAIKA WHEEL HUB MANUFACTURING Co.,Ltd. Patentee after: TIANJIN LIZHONG WHEEL Co.,Ltd. Address before: 300457 District A, Guanghua Road, Tanggu economic and Technological Development Zone, Tianjin, No. 58 Patentee before: TIANJIN DAIKA WHEEL HUB MANUFACTURING Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300457 District A, Guanghua Road, Tanggu economic and Technological Development Zone, Tianjin, No. 58 Patentee after: TIANJIN LIZHONG AUTOMOBILE ALUMINIUM ALLOY FITTING Co.,Ltd. Patentee after: TIANJIN LIZHONG WHEEL Co.,Ltd. Address before: 300457 District A, Guanghua Road, Tanggu economic and Technological Development Zone, Tianjin, No. 58 Patentee before: TIANJIN DAIKA WHEEL HUB MANUFACTURING Co.,Ltd. Patentee before: Tianjin Lizhong Wheel Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300457 District A, Guanghua Road, Tanggu economic and Technological Development Zone, Tianjin, No. 58 Patentee after: TIANJIN LIZHONG AUTOMOBILE ALUMINIUM ALLOY FITTING Co.,Ltd. Patentee after: TIANJIN LIZHONG GROUP Co.,Ltd. Address before: 300457 District A, Guanghua Road, Tanggu economic and Technological Development Zone, Tianjin, No. 58 Patentee before: TIANJIN LIZHONG AUTOMOBILE ALUMINIUM ALLOY FITTING Co.,Ltd. Patentee before: Tianjin Lizhong Wheel Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20170407 Address after: 300457 Tianjin economic and Technological Development Zone in the Western District Guanghua Street, No. 58 Patentee after: TIANJIN LIZHONG GROUP Co.,Ltd. Address before: 300457 District A, Guanghua Road, Tanggu economic and Technological Development Zone, Tianjin, No. 58 Patentee before: TIANJIN LIZHONG AUTOMOBILE ALUMINIUM ALLOY FITTING Co.,Ltd. Patentee before: TIANJIN LIZHONG GROUP Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 58, Guanghua Street, West District, economic and Technological Development Zone, Binhai New Area, Tianjin, 300450 Patentee after: TIANJIN LIZHONG WHEEL Co.,Ltd. Address before: No. 58, Guanghua Street, West District, Tianjin Economic and Technological Development Zone, 300457 Patentee before: TIANJIN LIZHONG GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131106 |