CN110736590A - Method and device for detecting sealing performance of end head of hollow stabilizer bar - Google Patents
Method and device for detecting sealing performance of end head of hollow stabilizer bar Download PDFInfo
- Publication number
- CN110736590A CN110736590A CN201810793083.2A CN201810793083A CN110736590A CN 110736590 A CN110736590 A CN 110736590A CN 201810793083 A CN201810793083 A CN 201810793083A CN 110736590 A CN110736590 A CN 110736590A
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- CN
- China
- Prior art keywords
- stabilizer bar
- hollow stabilizer
- sealing performance
- hollow
- compressed air
- Prior art date
- 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.)
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Links
- 239000003381 stabilizer Substances 0.000 title claims abstract description 58
- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 238000001514 detection method Methods 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000000087 stabilizing effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000010791 quenching Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a method for detecting the sealing performance of hollow stabilizer bar ends, which comprises the steps of introducing compressed air with preset pressure from the other end of a hollow stabilizer bar after the end of a hollow stabilizer bar end is molded, immersing the end of the hollow stabilizer bar end into liquid contained in a liquid container, observing whether bubbles appear in the liquid, judging that the sealing performance of the end of the hollow stabilizer bar is unqualified if the bubbles appear, and judging that the sealing performance of the end of the hollow stabilizer bar is good if the bubbles do not appear.
Description
Technical Field
The invention relates to the technical field of automobile stabilizer bars, in particular to a method and a device for detecting the sealing property of an end head of a hollow stabilizer bar.
Background
The stabilizer bars are important parts on an automobile chassis system, the stabilizer bars are mainly divided into two types, wherein types are solid bars, and the other types are hollow bars, the solid bars generally adopt a hot forming processing technology, the hollow bars generally adopt a cold forming processing technology, the hot forming technology is to heat solid bars to above 900 ℃, put the solid bars into a forming machine for quick forming, and immediately carry out oil quenching and tempering, the cold forming technology is to bend hollow pipes through a numerical control pipe bender, then electrify and heat the hollow pipes to above 900 ℃, quench the hollow pipes with water-based quenching liquid, then carry out tempering treatment, and then carry out end forming processing.
For the hollow stabilizer bar, if the sealing performance is poor after the end is processed, in the process of using the stabilizer bar for a long time, the inner wall of the stabilizer bar can generate rust and puckery, so that the stabilizer bar is broken and fails, and potential safety hazards are brought to drivers and passengers of automobiles, and good methods for detecting the sealing performance of the end of the stabilizer bar are not available at present.
Disclosure of Invention
The invention aims to solve the technical problem of providing methods for detecting the sealing property of the end of a hollow stabilizer bar, which can accurately detect whether the sealing property of the end of the hollow stabilizer bar after processing and forming is good or not and is easy to implement.
The invention aims to solve the technical problem of and provides a device for detecting the sealing property of the end head of a hollow stabilizer bar.
According to aspects of the embodiment of the invention, the method for detecting the sealing performance of the end of the hollow stabilizer bar comprises the steps of introducing compressed air with a preset pressure from the other end of the hollow stabilizer bar after the end of the end of the hollow stabilizer bar is molded, immersing the end of the end of the hollow stabilizer bar into liquid contained in a liquid container, observing whether bubbles appear in the liquid, judging that the sealing performance of the end of the hollow stabilizer bar is unqualified if the bubbles appear in the liquid, and judging that the sealing performance of the end of the hollow stabilizer bar is good if the bubbles do not appear in the liquid.
According to another aspects of the embodiment of the invention, the detection device is provided for realizing the method for detecting the sealing performance of the end head of the hollow stabilizer bar, and comprises a compressed air source, a pressure reducing valve, a gas pipeline and a pipeline connecting joint, wherein the output end of the compressed air source is communicated with the inlet of the pressure reducing valve, the outlet of the pressure reducing valve is communicated with the end of the gas pipeline, the other end of the gas pipeline is connected with the pipeline connecting joint, the pressure reducing valve is used for adjusting the pressure of the compressed air output by the compressed air source to a preset pressure, and the pipeline connecting joint is used for realizing butt joint with the end head of the end of the unformed hollow stabilizer bar.
The invention has at least the following advantages and characteristics:
1. by adopting the method and the device for detecting the sealing property of the end of the hollow stabilizer bar, the sealing property of the end of the hollow stabilizer bar can be visually and accurately judged, so that the quality of a hollow stabilizer bar product can be improved, and the potential safety hazard to automobile drivers and passengers caused by the fracture and failure of the stabilizer bar due to poor sealing property and rustiness on the inner wall after the end of the hollow stabilizer bar is processed is avoided;
2. the invention has simple operation, no need of special equipment, low cost and easy implementation.
Drawings
Fig. 1 shows a schematic structural diagram of embodiments of the device for detecting the sealing property of the end of the hollow stabilizer bar of the invention.
Detailed Description
The invention is further illustrated in conjunction with the following figures.
According to an embodiment of of the invention, the method for detecting the sealing performance of the end of the hollow stabilizer bar comprises the following steps:
a. after the end of the end of the hollow stabilizer bar is molded, compressed air with preset pressure is introduced from the other end of the hollow stabilizer bar;
b. the end of the hollow stabilizer bar is immersed in the liquid contained in the liquid container, whether bubbles appear in the liquid is observed, if bubbles appear, the sealing performance of the end of the hollow stabilizer bar is judged to be unqualified, and if bubbles do not appear, the sealing performance of the end of the hollow stabilizer bar is judged to be good.
Preferably, the predetermined pressure is greater than 0.05Mpa and less than 0.2Mpa, and the predetermined pressure is set to be greater than 0.05Mpa and less than 0.2Mpa in order to make the test pressure close to the actual working condition of the stabilizer bar, the stabilizer bar is usually operated at standard atmospheric pressures, so in specific application embodiments, the predetermined pressure may be set to be standard atmospheric pressures.
Alternatively, the liquid is water.
Fig. 1 shows a schematic structural diagram of embodiments of the device for detecting the sealing property of the end of the stabilizer bar of the present invention, please refer to fig. 1, the device for detecting the sealing property of the end of the stabilizer bar comprises a compressed air source 1, a pressure reducing valve 2, a gas pipeline 3 and a pipeline connecting joint 4.
The output end of the compressed air source 1 is communicated with the inlet of the pressure reducing valve 2, the outlet of the pressure reducing valve 2 is communicated with the end of the air pipeline 3, the other end of the air pipeline 3 is connected with the pipeline connecting joint 4, and the compressed air source 1 can adopt an air compressor, for example.
The pressure reducing valve 2 is used to adjust the pressure of the compressed air from the compressed air source 1 to a predetermined pressure, preferably greater than 0.05Mpa and less than 0.2Mpa in specific embodiments, the predetermined pressure can be set to standard atmospheric pressures and the pipe connector 4 is used to interface with the end 92 of the unshaped end of the hollow stabilizer bar.
When the air pressure reducing valve works, the formed end 91 of the end of the hollow stabilizer bar 9 is immersed into the liquid container 8 filled with the liquid 10, the end 91 is completely immersed below the liquid level, the end 92 of the unformed end of the hollow stabilizer bar 9 is connected with the pipeline connecting joint 4, the pressure reducing valve 2 is adjusted to enable the pressure of compressed air output by the compressed air source 1 to be reduced to a preset pressure and then sent into the gas pipeline 3, after the compressed air source 1 is started, whether bubbles are generated in the liquid 10 or not is observed, if bubbles are generated, the sealing of the end 91 is poor, and if no bubbles are generated, the sealing of the end 91 is good.
Claims (6)
1, hollow stabilizer bar end head leakproofness detection method, its characterized in that includes:
after the end of the end of the hollow stabilizer bar is molded, compressed air with preset pressure is introduced from the other end of the hollow stabilizer bar;
and immersing the end of the hollow stabilizer into liquid contained in a liquid container, observing whether bubbles appear in the liquid, judging that the sealing performance of the end of the hollow stabilizer is unqualified if the bubbles appear, and judging that the sealing performance of the end of the hollow stabilizer is good if the bubbles do not appear.
2. The method for testing the sealing performance of the end of the hollow stabilizer bar according to claim 1, wherein the predetermined pressure is greater than 0.05Mpa and less than 0.2 Mpa.
3. The method for testing the sealing performance of the end of the hollow stabilizer bar according to claim 2, wherein the predetermined pressure is atm.
4. The method for testing the sealing performance of the end of the hollow stabilizer bar according to claim 1, wherein the liquid is water.
5, A detection device for realizing the method for detecting the sealing performance of the end of the hollow stabilizer bar according to claim 1, wherein the detection device comprises a compressed air source, a pressure reducing valve, a gas pipeline and a pipeline connecting joint;
the output end of the compressed air source is communicated with the inlet of the pressure reducing valve, the outlet of the pressure reducing valve is communicated with the end of the gas pipeline, and the other end of the gas pipeline is connected with the pipeline connecting joint;
the pressure reducing valve is used for adjusting the pressure of compressed air output by the compressed air source to a preset pressure, and the pipeline connecting joint is used for realizing butt joint with the end head of the unformed end of the hollow stabilizing rod.
6. The method for testing the sealing performance of the end of the hollow stabilizer bar according to claim 5, wherein the predetermined pressure is greater than 0.05Mpa and less than 0.2 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793083.2A CN110736590A (en) | 2018-07-18 | 2018-07-18 | Method and device for detecting sealing performance of end head of hollow stabilizer bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793083.2A CN110736590A (en) | 2018-07-18 | 2018-07-18 | Method and device for detecting sealing performance of end head of hollow stabilizer bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110736590A true CN110736590A (en) | 2020-01-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810793083.2A Pending CN110736590A (en) | 2018-07-18 | 2018-07-18 | Method and device for detecting sealing performance of end head of hollow stabilizer bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110736590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119901419A (en) * | 2025-01-20 | 2025-04-29 | 东风商用车有限公司 | A gas-tight tool for detecting inner end surface and a gas-tight detection method |
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|---|---|---|---|---|
| CN1241717A (en) * | 1999-05-10 | 2000-01-19 | 唐山爱信齿轮有限责任公司 | Dry hermetization testing method and device |
| CN1932464A (en) * | 2006-10-06 | 2007-03-21 | 成都飞机工业（集团）有限责任公司 | Airtight type tested pieces air-leakage detecting device |
| CN202676402U (en) * | 2012-06-18 | 2013-01-16 | 河南中孚铝合金有限公司 | Leakage detection device of aluminum bronze wire rod continuous casting and rolling three-roller rack |
| CN103175659A (en) * | 2013-02-04 | 2013-06-26 | 李连清 | Technological method for testing natural gas cylinders |
| CN104034486A (en) * | 2014-05-23 | 2014-09-10 | 含山县朝霞铸造有限公司 | Pressure test device for air cylinder |
| CN105181261A (en) * | 2015-05-22 | 2015-12-23 | 南通市通润汽车零部件有限公司 | Welding tightness detection machine and method using detection machine to detect welding tightness |
| CN107457343A (en) * | 2017-07-07 | 2017-12-12 | 蒂森克虏伯富奥辽阳弹簧有限公司 | Closed forging technology is carried out to hollow stabilizing rod termination |
-
2018
- 2018-07-18 CN CN201810793083.2A patent/CN110736590A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1241717A (en) * | 1999-05-10 | 2000-01-19 | 唐山爱信齿轮有限责任公司 | Dry hermetization testing method and device |
| CN1932464A (en) * | 2006-10-06 | 2007-03-21 | 成都飞机工业（集团）有限责任公司 | Airtight type tested pieces air-leakage detecting device |
| CN202676402U (en) * | 2012-06-18 | 2013-01-16 | 河南中孚铝合金有限公司 | Leakage detection device of aluminum bronze wire rod continuous casting and rolling three-roller rack |
| CN103175659A (en) * | 2013-02-04 | 2013-06-26 | 李连清 | Technological method for testing natural gas cylinders |
| CN104034486A (en) * | 2014-05-23 | 2014-09-10 | 含山县朝霞铸造有限公司 | Pressure test device for air cylinder |
| CN105181261A (en) * | 2015-05-22 | 2015-12-23 | 南通市通润汽车零部件有限公司 | Welding tightness detection machine and method using detection machine to detect welding tightness |
| CN107457343A (en) * | 2017-07-07 | 2017-12-12 | 蒂森克虏伯富奥辽阳弹簧有限公司 | Closed forging technology is carried out to hollow stabilizing rod termination |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119901419A (en) * | 2025-01-20 | 2025-04-29 | 东风商用车有限公司 | A gas-tight tool for detecting inner end surface and a gas-tight detection method |
| CN119901419B (en) * | 2025-01-20 | 2025-09-26 | 东风商用车有限公司 | Air tightness tool for detecting inner end face and air tightness detection method |
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Application publication date: 20200131 |