CN109374230A - A kind of car deceleration device shell air-tightness detection method - Google Patents
A kind of car deceleration device shell air-tightness detection method Download PDFInfo
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- CN109374230A CN109374230A CN201811359720.1A CN201811359720A CN109374230A CN 109374230 A CN109374230 A CN 109374230A CN 201811359720 A CN201811359720 A CN 201811359720A CN 109374230 A CN109374230 A CN 109374230A
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- air
- car deceleration
- deceleration device
- device shell
- leakage test
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- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention belongs to shell air-leakage test technical fields, in particular a kind of car deceleration device shell air-tightness detection method, include the following steps: S1, car deceleration device shell is placed into workbench, S2, pass through the fixture on workbench, car deceleration device shell is fixed on the table, S3, the volume for measuring car deceleration casing body, select its average value, S5, S4, the air-leakage test hole for opening car deceleration device shell inject high pressure gas to car deceleration device enclosure interior by air-leakage test hole using high pressure gas injection device；The present invention uses this mode, reduces the time of car deceleration device shell air-leakage test, and then reduce testing cost for enterprise, is detected by high pressure gas injection device, and the method is at low cost, practical, is conducive to on-site test and promotes the use of.
Description
Technical field
The invention belongs to shell air-leakage test technical fields, and in particular to a kind of car deceleration device shell air-leakage test
Method.
Background technique
The experiment of check device air-tightness.Air-tight test is mainly to examine whether each connection position of container has leakage existing
As medium toxic degree is the pressure vessel for extremely, highly endangering or being not allow on designing micro-leakage, it is necessary to be carried out airtight
Property test.
Car deceleration device shell generally has special messenger's detection because of the particularity of working environment, but existing detection side
Formula is not complete, provide thus it is a kind of facilitate staff detect method be necessary.
Summary of the invention
To solve the problems mentioned above in the background art.The present invention provides a kind of inspections of car deceleration device shell air-tightness
The characteristics of survey method has and staff is facilitated to detect, improves enterprise efficiency.
To achieve the above object, the invention provides the following technical scheme: a kind of car deceleration device shell air-leakage test side
Method includes the following steps:
S1, car deceleration device shell is placed into workbench；
S2, by the fixture on workbench, car deceleration device shell is fixed on the table；
S3, the volume for measuring car deceleration casing body, select its average value；
S4, the air-leakage test hole for opening car deceleration device shell；
S5, high pressure gas is injected to car deceleration device enclosure interior by air-leakage test hole using high pressure gas injection device；
S6: judging the air pressure change of car deceleration device enclosure interior, if air pressure is unchanged, indicates car deceleration device shell air-tightness
Qualification indicates that car deceleration device shell air-tightness is unqualified if air pressure reduces；
S7: the air-leakage test of car deceleration device shell is completed in the air-leakage test hole of closing automobile reducer shell.
As a kind of car deceleration device shell air-tightness detection method optimal technical scheme of the invention, the step S3
In, the number of measurement is 3 times~5 times.
As a kind of car deceleration device shell air-tightness detection method optimal technical scheme of the invention, the step S5
In, for the air pressure range of high pressure gas in 2Pa~10Pa, gas injection time is 4s~10s.
As a kind of car deceleration device shell air-tightness detection method optimal technical scheme of the invention, the step S5
In, high pressure gas injection device is high pressure air rifle, and the muzzle and air-leakage test hole corresponding matching of high pressure air rifle inwardly promote high pressure
The propeller of air gun, to high pressure gas is injected inside reducer shell, can not be continued by muzzle to propeller in air-leakage test hole
When propulsion, stop promoting.
As a kind of car deceleration device shell air-tightness detection method optimal technical scheme of the invention, the step S4
In, the diameter range in the air-leakage test hole is 2mm~5mm.
As a kind of car deceleration device shell air-tightness detection method optimal technical scheme of the invention, car deceleration is judged
The air pressure change of device enclosure interior after separated in time, continues to promote propeller, if can not promote, indicates air pressure without change
Change, if can continue to promote propeller, then it represents that air pressure reduces.
As a kind of car deceleration device shell air-tightness detection method optimal technical scheme of the invention, the interval when
Between range in 20s~40s.
As a kind of car deceleration device shell air-tightness detection method optimal technical scheme of the invention, the air-tightness inspection
Gaging hole is equipped with the stick harness that cooperation can be closed with it.
As a kind of car deceleration device shell air-tightness detection method optimal technical scheme of the invention, the stick harness is wood
Material matter or rubber material, stick harness are black.
Compared with prior art, the beneficial effects of the present invention are: the present invention uses this mode, car deceleration device shell is reduced
The time of air-leakage test, and then testing cost is reduced for enterprise, it being detected by high pressure gas injection device, the method is at low cost,
It is practical, it is conducive to on-site test and promotes the use of.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is flow diagram of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
A kind of car deceleration device shell air-tightness detection method, includes the following steps:
S1, car deceleration device shell is placed into workbench；
S2, by the fixture on workbench, car deceleration device shell is fixed on the table；
S3, the volume for measuring car deceleration casing body, select its average value；
S4, the air-leakage test hole for opening car deceleration device shell；
S5, high pressure gas is injected to car deceleration device enclosure interior by air-leakage test hole using high pressure gas injection device；
S6: judging the air pressure change of car deceleration device enclosure interior, if air pressure is unchanged, indicates car deceleration device shell air-tightness
Qualification indicates that car deceleration device shell air-tightness is unqualified if air pressure reduces；
S7: the air-leakage test of car deceleration device shell is completed in the air-leakage test hole of closing automobile reducer shell.
According in above scheme, in the step S3, the number of measurement is 3 times.
According in above scheme, in the step S5, the air pressure range of high pressure gas is in 2Pa, gas injection time 4s.
According in above scheme, in the step S5, high pressure gas injection device is high pressure air rifle, the muzzle of high pressure air rifle with
Air-leakage test hole corresponding matching inwardly promotes the propeller of high pressure air rifle by muzzle to injecting high pressure inside reducer shell
Gas can not stop promoting when propeller when air-leakage test hole continues to promote.
According in above scheme, in the step S4, the diameter range in the air-leakage test hole is 2mm.
According to the air pressure change in above scheme, judging car deceleration device enclosure interior, after separated in time, continue to push away
Into propeller, if can not promote, indicate that air pressure is unchanged, if can continue to promote propeller, then it represents that air pressure reduces.
According in above scheme, the interval time range is in 20s.
According in above scheme, the air-leakage test hole is equipped with the stick harness that cooperation can be closed with it.
According in above scheme, the stick harness is wooden material or rubber material, and stick harness is black.
Embodiment 2
A kind of car deceleration device shell air-tightness detection method, includes the following steps:
S1, car deceleration device shell is placed into workbench；
S2, by the fixture on workbench, car deceleration device shell is fixed on the table；
S3, the volume for measuring car deceleration casing body, select its average value；
S4, the air-leakage test hole for opening car deceleration device shell；
S5, high pressure gas is injected to car deceleration device enclosure interior by air-leakage test hole using high pressure gas injection device；
S6: judging the air pressure change of car deceleration device enclosure interior, if air pressure is unchanged, indicates car deceleration device shell air-tightness
Qualification indicates that car deceleration device shell air-tightness is unqualified if air pressure reduces；
S7: the air-leakage test of car deceleration device shell is completed in the air-leakage test hole of closing automobile reducer shell.
According in above scheme, in the step S3, the number of measurement is 4 times.
According in above scheme, in the step S5, the air pressure range of high pressure gas is in 6Pa, gas injection time 6s.
According in above scheme, in the step S5, high pressure gas injection device is high pressure air rifle, the muzzle of high pressure air rifle with
Air-leakage test hole corresponding matching inwardly promotes the propeller of high pressure air rifle by muzzle to injecting high pressure inside reducer shell
Gas can not stop promoting when propeller when air-leakage test hole continues to promote.
According in above scheme, in the step S4, the diameter range in the air-leakage test hole is 3mm.
According to the air pressure change in above scheme, judging car deceleration device enclosure interior, after separated in time, continue to push away
Into propeller, if can not promote, indicate that air pressure is unchanged, if can continue to promote propeller, then it represents that air pressure reduces.
According in above scheme, the interval time range is in 30s.
According in above scheme, the air-leakage test hole is equipped with the stick harness that cooperation can be closed with it.
According in above scheme, the stick harness is wooden material or rubber material, and stick harness is black.
Embodiment 3
A kind of car deceleration device shell air-tightness detection method, includes the following steps:
S1, car deceleration device shell is placed into workbench；
S2, by the fixture on workbench, car deceleration device shell is fixed on the table；
S3, the volume for measuring car deceleration casing body, select its average value；
S4, the air-leakage test hole for opening car deceleration device shell；
S5, high pressure gas is injected to car deceleration device enclosure interior by air-leakage test hole using high pressure gas injection device；
S6: judging the air pressure change of car deceleration device enclosure interior, if air pressure is unchanged, indicates car deceleration device shell air-tightness
Qualification indicates that car deceleration device shell air-tightness is unqualified if air pressure reduces；
S7: the air-leakage test of car deceleration device shell is completed in the air-leakage test hole of closing automobile reducer shell.
According in above scheme, in the step S3, the number of measurement is 5 times.
According in above scheme, in the step S5, the air pressure range of high pressure gas is in 10Pa, gas injection time 10s.
According in above scheme, in the step S5, high pressure gas injection device is high pressure air rifle, the muzzle of high pressure air rifle with
Air-leakage test hole corresponding matching inwardly promotes the propeller of high pressure air rifle by muzzle to injecting high pressure inside reducer shell
Gas can not stop promoting when propeller when air-leakage test hole continues to promote.
According in above scheme, in the step S4, the diameter range in the air-leakage test hole is 5mm.
According to the air pressure change in above scheme, judging car deceleration device enclosure interior, after separated in time, continue to push away
Into propeller, if can not promote, indicate that air pressure is unchanged, if can continue to promote propeller, then it represents that air pressure reduces.
According in above scheme, the interval time range is in 40s.
According in above scheme, the air-leakage test hole is equipped with the stick harness that cooperation can be closed with it.
According in above scheme, the stick harness is wooden material or rubber material, and stick harness is black.
The beneficial effects of the present invention are: the present invention use this mode, reduce car deceleration device shell air-leakage test when
Between, and then testing cost is reduced for enterprise, and it being detected by high pressure gas injection device, the method is at low cost, and it is practical, it is conducive to existing
Field detecting is promoted the use of.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of car deceleration device shell air-tightness detection method, which comprises the steps of:
S1, car deceleration device shell is placed into workbench；
S2, by the fixture on workbench, car deceleration device shell is fixed on the table；
S3, the volume for measuring car deceleration casing body, select its average value；
S4, the air-leakage test hole for opening car deceleration device shell；
S5, high pressure gas is injected to car deceleration device enclosure interior by air-leakage test hole using high pressure gas injection device；
S6: judging the air pressure change of car deceleration device enclosure interior, if air pressure is unchanged, indicates car deceleration device shell air-tightness
Qualification indicates that car deceleration device shell air-tightness is unqualified if air pressure reduces；
S7: the air-leakage test of car deceleration device shell is completed in the air-leakage test hole of closing automobile reducer shell.
2. a kind of car deceleration device shell air-tightness detection method according to claim 1, it is characterised in that: the step
In S3, the number of measurement is 3 times~5 times.
3. a kind of car deceleration device shell air-tightness detection method according to claim 1, it is characterised in that: the step
In S5, for the air pressure range of high pressure gas in 2Pa~10Pa, gas injection time is 4s~10s.
4. a kind of car deceleration device shell air-tightness detection method according to claim 1, it is characterised in that: the step
In S5, high pressure gas injection device is high pressure air rifle, and the muzzle and air-leakage test hole corresponding matching of high pressure air rifle inwardly promote high
The propeller of compressed gas gun by muzzle to injecting high pressure gas inside reducer shell, to propeller can not air-leakage test hole after
When continuous propulsion, stop promoting.
5. a kind of car deceleration device shell air-tightness detection method according to claim 1, it is characterised in that: the step
In S4, the diameter range in the air-leakage test hole is 2mm~5mm.
6. a kind of car deceleration device shell air-tightness detection method according to claim 4, it is characterised in that: judge automobile
Air pressure change inside reducer shell after separated in time, continues to promote propeller, if can not promote, indicates air pressure
It is unchanged, if can continue to promote propeller, then it represents that air pressure reduces.
7. a kind of car deceleration device shell air-tightness detection method according to claim 6, it is characterised in that: the interval
Time range in 20s~40s.
8. a kind of car deceleration device shell air-tightness detection method according to claim 1, it is characterised in that: described airtight
Property detection hole be equipped with and can close the stick harness of cooperation with it.
9. a kind of car deceleration device shell air-tightness detection method according to claim 8, it is characterised in that: the stick harness
For wooden material or rubber material, stick harness is black.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359720.1A CN109374230A (en) | 2018-11-15 | 2018-11-15 | A kind of car deceleration device shell air-tightness detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811359720.1A CN109374230A (en) | 2018-11-15 | 2018-11-15 | A kind of car deceleration device shell air-tightness detection method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109374230A true CN109374230A (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811359720.1A Pending CN109374230A (en) | 2018-11-15 | 2018-11-15 | A kind of car deceleration device shell air-tightness detection method |
Country Status (1)
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| CN (1) | CN109374230A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758655A (en) * | 2021-10-26 | 2021-12-07 | 无锡威孚力达催化净化器有限责任公司 | Shell air tightness detection device and method |
| CN116105950A (en) * | 2023-04-04 | 2023-05-12 | 常州亨达车业部件有限公司 | Automatic detection device and detection method for air tightness of automobile lampshade |
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| CN202075109U (en) * | 2011-05-23 | 2011-12-14 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Air tightness detector for reducer shell |
| CN104122044A (en) * | 2014-07-09 | 2014-10-29 | 马永青 | Plane sealing performance testing device |
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| CN107677435A (en) * | 2017-09-26 | 2018-02-09 | 无锡赛盈动力科技有限公司 | The air-tightness detection method and detection means of a kind of controller |
| CN108267278A (en) * | 2017-12-05 | 2018-07-10 | 洛阳双瑞特种装备有限公司 | The method for carrying out leak test to pressure vessel using the gaseous mixture of ammonia nitrogen |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202075109U (en) * | 2011-05-23 | 2011-12-14 | 中国长安汽车集团股份有限公司四川建安车桥分公司 | Air tightness detector for reducer shell |
| CN104122044A (en) * | 2014-07-09 | 2014-10-29 | 马永青 | Plane sealing performance testing device |
| CN105043693A (en) * | 2015-06-05 | 2015-11-11 | 河南省日立信股份有限公司 | Water-containing small-port container gas leakage rate detection apparatus and detection method |
| CN204855113U (en) * | 2015-07-17 | 2015-12-09 | 上海德奈斯检测技术有限公司 | Car main reducer casing detection device |
| CN107677435A (en) * | 2017-09-26 | 2018-02-09 | 无锡赛盈动力科技有限公司 | The air-tightness detection method and detection means of a kind of controller |
| CN108267278A (en) * | 2017-12-05 | 2018-07-10 | 洛阳双瑞特种装备有限公司 | The method for carrying out leak test to pressure vessel using the gaseous mixture of ammonia nitrogen |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113758655A (en) * | 2021-10-26 | 2021-12-07 | 无锡威孚力达催化净化器有限责任公司 | Shell air tightness detection device and method |
| CN116105950A (en) * | 2023-04-04 | 2023-05-12 | 常州亨达车业部件有限公司 | Automatic detection device and detection method for air tightness of automobile lampshade |
| CN116105950B (en) * | 2023-04-04 | 2023-07-14 | 常州亨达车业部件有限公司 | Automatic detection device and detection method for air tightness of automobile lampshade |
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Application publication date: 20190222 |