CN202372320U - Multi-purpose air tightness test bed - Google Patents
Multi-purpose air tightness test bed Download PDFInfo
- Publication number
- CN202372320U CN202372320U CN2011204403200U CN201120440320U CN202372320U CN 202372320 U CN202372320 U CN 202372320U CN 2011204403200 U CN2011204403200 U CN 2011204403200U CN 201120440320 U CN201120440320 U CN 201120440320U CN 202372320 U CN202372320 U CN 202372320U
- Authority
- CN
- China
- Prior art keywords
- sound suppressor
- catalyst converter
- switch
- air inlet
- test
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a test bed for testing air tightness of multiple types of catalytic converters and silencers, and the test bed includes an air inlet source, a catalytic converter air tightness testing device and a silencer air tightness testing device that are connected in parallel, and a clamping air cylinder, wherein the air inlet source is connected with the catalytic converter air tightness testing device and the silencer air tightness testing device, which are connected in parallel, through a three-way reversing switch; and further, the clamping air cylinder is connected with the main air inlet source through a pipeline, and is installed on a movable track matched with detection positions of the catalytic converter air tightness testing device and the silencer air tightness testing device. According to the utility model, through arranging the air tightness detection of the catalytic converter and the silencer on an integral platform, the problems of complicated operation and high labor intensity are solved, and further, the multi-purpose air tightness test bed is simple in structure and ingenious in concept, and has the advantages of simplicity in use and maintenance as well as high detection efficiency.
Description
Technical field
The utility model relates to a kind of catalyst converter and bubble-tight pick-up unit of sound suppressor that is used to detect offgas duct on the automobile exhaust system.
Background technology
Impermeability is very high for the technical requirement of vehicle exhaust pipeline; In case comparatively serious gas leakage takes place in the sound suppressor in the exhaust pipe, catalyst converter; Can cause the noise that tail gas discharging pollutant exceeds standard, the offgas duct generation is new; And catalyst converter and sound suppressor are corroded, thereby reduce its life-span from the hot and humid gas of gas leakage position ejection.Therefore, before sound suppressor and catalyst converter dispatch from the factory, all will carry out impermeability detects.
At present, existing air tightness detection equipment function singleness, a common pick-up unit can only detect catalyst converter or sound suppressor; Complex structure, complex operation, the staff need not only see flowmeter but also see tensimeter, must writing time, working strength is big, and the problem of omission appears in operator's one fatigue easily.
The utility model content
The utility model technical matters to be solved is, overcomes the shortcoming of prior art, and multi-usage air-tight test platform is provided, and is used to detect catalyst converter and sound suppressor, and it is big to solve existing close property pick-up unit working strength, the problem of complex operation, function singleness.
In order to solve above technical matters; The utility model provides multi-usage air-tight test platform; Catalyst converter tightness test device that comprise the air inlet source, is connected in parallel and sound suppressor tightness test device, clamping cylinder, said air inlet source links to each other with the sound suppressor tightness test device with the catalyst converter tightness test device that is connected in parallel through the triplet commutation switch; Said clamping cylinder links to each other with said total air inlet source through pipeline, and is installed on the movable rail that cooperates with said catalyst converter tightness test device and sound suppressor tightness test device detection position.
The further qualification technical scheme of the utility model is: aforesaid catalyst converter and sound suppressor air-tight test platform; Said catalyst converter tightness test device comprises catalyst converter tensimeter, catalyst converter flowmeter, catalyst converter test switch and catalyst converter air inlet switch; Said triplet commutation switch links to each other with said catalyst converter flowmeter, catalyst converter tensimeter and catalyst converter test switch successively, inserts catalyst converter again; Said catalyst converter air inlet switch is connected in parallel with said catalyst converter flowmeter, catalyst converter tensimeter and the catalyst converter test switch of connecting successively.
Aforesaid multi-usage air-tight test platform, said sound suppressor tightness test device comprise sound suppressor pressure regulator valve, sound suppressor flowmeter, sound suppressor tensimeter, sound suppressor test switch and sound suppressor air inlet switch; Said triplet commutation switch links to each other with said sound suppressor pressure regulator valve, sound suppressor flowmeter, sound suppressor tensimeter and sound suppressor test switch successively, links to each other with sound suppressor again; Said sound suppressor air inlet switch is connected in parallel with said sound suppressor pressure regulator valve, sound suppressor flowmeter, sound suppressor tensimeter and the sound suppressor test switch of connecting successively.
Further, aforesaid multi-usage air-tight test platform also is equipped with boost gauge, air inlet pressure regulator valve and pressure regulation tensimeter successively on said air inlet source capsule road.
The beneficial effect of the utility model is: the impermeability detection through with catalyst converter and sound suppressor is arranged on the integral platform; To different catalyst converters or sound suppressor, step up device as long as change to assist, just can realize that impermeability detects; Solve complex operation and the big problem of working strength; Simple in structure, be skillfully constructed, have the advantage that operation and maintenance is simple, detection efficiency is high.
Description of drawings
Fig. 1 is the utility model structural representation.
Embodiment
Embodiment 1
Present embodiment provides multi-usage air-tight test platform; As shown in Figure 1; Catalyst converter tightness test device that comprise the air inlet source, is connected in parallel and sound suppressor tightness test device, clamping cylinder 1 are equipped with boost gauge 2, air inlet pressure regulator valve 3 and pressure regulation tensimeter 4 successively on said air inlet source capsule road.Said air inlet source links to each other with the sound suppressor tightness test device with the catalyst converter tightness test device that is connected in parallel through triplet commutation switch 5; Said clamping cylinder 1 links to each other with said total air inlet source through pipeline, and is installed on the movable rail that cooperates with said catalyst converter tightness test device and sound suppressor tightness test device detection position.
The catalyst converter tightness test device comprises catalyst converter tensimeter 6, catalyst converter flowmeter 7, catalyst converter test switch 8 and catalyst converter air inlet switch 9; Said triplet commutation switch 5 links to each other with catalyst converter test switch 8 with said catalyst converter flowmeter 7, catalyst converter tensimeter 6 successively, inserts catalyst converter 10 again; Said catalyst converter air inlet switch 9 is connected in parallel with said catalyst converter flowmeter 7, catalyst converter tensimeter 6 and the catalyst converter test switch 8 of connecting successively.The sound suppressor tightness test device comprises sound suppressor pressure regulator valve 11, sound suppressor flowmeter 12, sound suppressor tensimeter 13, sound suppressor test switch 14 and sound suppressor air inlet switch 15; Said triplet commutation switch 5 links to each other with sound suppressor test switch 14 with said sound suppressor pressure regulator valve 11, sound suppressor flowmeter 12, sound suppressor tensimeter 13 successively, links to each other with sound suppressor 16 again; Said sound suppressor air inlet switch 15 is connected in parallel with said sound suppressor pressure regulator valve 11, sound suppressor flowmeter 12, sound suppressor tensimeter 13 and the sound suppressor test switch 14 of connecting successively.
The catalytic converter assembly air-tight test operating process of present embodiment:
(1) debugging before the test
(1) close the air inlet switch, close the air intake opening switch and the test switch that detect catalyst converter test on the stand, make air must not get into the catalyst converter flowmeter, the float in the catalyst converter flowmeter should be shown as and sink to the bottom, and promptly scale is 0.
(2) open testing table back side cabinet door, the handle of triplet commutation switch is rotated to the catalyst converter flow move towards the position.
(3) open the air inlet switch, slowly regulate air inlet pressure regulator valve (clockwise turning to pressure reduces), observe the pressure regulation gauge hand simultaneously and change, keep scale at 0.3 ± 0.02 MPa.
(4) open the test switch that detects catalyst converter test on the stand.Air-regulating valves on the adjustment catalyst converter flowmeter makes the float in the catalyst converter flowmeter be in position between the 0.4-0.6.
(5) close the test switch that detects catalyst converter test on the stand.Float in this moment catalyst converter flowmeter should be shown as and sink to the bottom, and the indicated value of precision pressure gauge is 0.30 ± 0.005MPa (pointer tip about lattice).
(6) move the clamping cylinder to the outside, i.e. the position of catalyst converter detection, locking cylinder base.
(2) air-tight test
(1) catalyst converter is installed on the monitor station, starts the cylinder switch, cylinder unit is closely pushed down the catalyst converter two-port, gas leak phenomenon must not be arranged.
(2) open the air inlet switch that catalyst converter is tested, make air pressure fully get into the catalyst converter inner chamber.
(3) open the test switch that catalyst converter is tested, close the air inlet switch of catalyst converter test, observe the float position in the catalyst converter flowmeter, float position is no more than scale 0.12 for qualified.(unit of flowmeter is m
3/ h, 2L/Min is converted into 0.12m
3/ h; 100L/min is converted into 6.0m
3/ h)
(4) after the test, surpass 0.12 if find the amount of leakage of catalyst converter, then this product hermeticity is defective.Need do over again and do air-tight test again after handling.
(5) after the off-test, close the test switch of catalyst converter test.Unclamp cylinder rams.Take out the catalyst converter product, put into the working position apparatus frame.
The muffler ASSY air-tight test operating process of present embodiment:
(1) debugging before the test
(1) close air inlet switch and all pressure regulator valves, and sound suppressor air inlet switch and test switch.Make air must not get into the sound suppressor flowmeter, the float in the sound suppressor flowmeter should be shown as and sink to the bottom, and promptly scale is 0.
(2) open testing table back side cabinet door, the handle of triplet commutation switch is rotated to sound suppressor move towards the position.
(3) open the air inlet switch, slowly regulate air inlet pressure regulator valve (clockwise turning to pressure reduces), observe the manometric pointer of pressure regulation simultaneously and change, keep scale at 0.05 ± 0.01 MPa.
(4) slowly regulate sound suppressor pressure regulator valve (clockwise turn to pressure reduce), observe the sound suppressor gauge hand simultaneously and change, keep scale at 0.03 ± 0.001MPa (pointer tip about two lattice).
(5) open the test switch that detects sound suppressor test on the stand, the Air-regulating valves on the adjustment sound suppressor flowmeter makes the float in the flowmeter be in position between the 7.0-9.0.
(6) close the test switch that detects sound suppressor test on the stand.The float in the flowmeter should be shown as and sink to the bottom this moment, and the indicated value of precision pressure gauge is 0.03 ± 0.001MPa (pointer tip about two lattice).
(7) move cylinder to inboard, and the position of sound suppressor detection, locking cylinder base.
(2) air-tight test
(1) sound suppressor is installed on the monitor station, starts the cylinder switch, cylinder unit is closely pushed down the sound suppressor two-port, gas leak phenomenon must not be arranged.
(2) open the air inlet switch that sound suppressor is tested, make air pressure fully get into the sound suppressor inner chamber.
(3) open the test switch that sound suppressor is tested, close the air inlet switch of sound suppressor test, observe the float position in the flowmeter, float position is no more than scale 6.0 for qualified.
(unit of flowmeter is m
3/ h, 100L/min are converted into 6.0 m
3/ h)
(4) after the test, surpass 6.0 if find the amount of leakage of sound suppressor, then this product hermeticity is defective.Need do over again and do air-tight test again after handling.
(5) after the off-test, close the test switch of sound suppressor test.Unclamp cylinder rams.Take out the sound suppressor product, put into the working position apparatus frame.
Except that the foregoing description, the utility model can also have other embodiments.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection domain of the utility model requirement.
Claims (4)
1. multi-usage air-tight test platform; Catalyst converter tightness test device that comprise the air inlet source, is connected in parallel and sound suppressor tightness test device, clamping cylinder, it is characterized in that: said air inlet source links to each other with the sound suppressor tightness test device with the catalyst converter tightness test device that is connected in parallel through the triplet commutation switch; Said clamping cylinder links to each other with said total air inlet source through pipeline, and is installed on the movable rail that cooperates with said catalyst converter tightness test device and sound suppressor tightness test device detection position.
2. multi-usage air-tight test platform according to claim 1; It is characterized in that: said catalyst converter tightness test device comprises catalyst converter tensimeter, catalyst converter flowmeter, catalyst converter test switch and catalyst converter air inlet switch; Said triplet commutation switch links to each other with said catalyst converter flowmeter, catalyst converter tensimeter and catalyst converter test switch successively, inserts catalyst converter again; Said catalyst converter air inlet switch is connected in parallel with said catalyst converter flowmeter, catalyst converter tensimeter and the catalyst converter test switch of connecting successively.
3. multi-usage air-tight test platform according to claim 1 is characterized in that: said sound suppressor tightness test device comprises sound suppressor pressure regulator valve, sound suppressor flowmeter, sound suppressor tensimeter, sound suppressor test switch and sound suppressor air inlet switch; Said triplet commutation switch links to each other with said sound suppressor pressure regulator valve, sound suppressor flowmeter, sound suppressor tensimeter and sound suppressor test switch successively, links to each other with sound suppressor again; Said sound suppressor air inlet switch is connected in parallel with said sound suppressor pressure regulator valve, sound suppressor flowmeter, sound suppressor tensimeter and the sound suppressor test switch of connecting successively.
4. according to the described multi-usage air-tight test of the arbitrary claim of claim 1-3 platform, it is characterized in that: on said air inlet source capsule road, boost gauge, air inlet pressure regulator valve and pressure regulation tensimeter are installed successively also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204403200U CN202372320U (en) | 2011-11-09 | 2011-11-09 | Multi-purpose air tightness test bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204403200U CN202372320U (en) | 2011-11-09 | 2011-11-09 | Multi-purpose air tightness test bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372320U true CN202372320U (en) | 2012-08-08 |
Family
ID=46596017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204403200U Expired - Fee Related CN202372320U (en) | 2011-11-09 | 2011-11-09 | Multi-purpose air tightness test bed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202372320U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017984A (en) * | 2012-12-10 | 2013-04-03 | 浙江达峰汽车技术有限公司 | Air-tightness detector |
| CN106404299A (en) * | 2016-12-08 | 2017-02-15 | 浙江达峰汽车技术有限公司 | Catalyst airtightness detection device |
-
2011
- 2011-11-09 CN CN2011204403200U patent/CN202372320U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103017984A (en) * | 2012-12-10 | 2013-04-03 | 浙江达峰汽车技术有限公司 | Air-tightness detector |
| CN103017984B (en) * | 2012-12-10 | 2015-09-30 | 浙江达峰汽车技术有限公司 | Air tightness detection machine |
| CN106404299A (en) * | 2016-12-08 | 2017-02-15 | 浙江达峰汽车技术有限公司 | Catalyst airtightness detection device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120808 Termination date: 20151109 |
|
| EXPY | Termination of patent right or utility model |