CN102221464A - Exhaust catalyst test device for engine - Google Patents
Exhaust catalyst test device for engine Download PDFInfo
- Publication number
- CN102221464A CN102221464A CN2011100841094A CN201110084109A CN102221464A CN 102221464 A CN102221464 A CN 102221464A CN 2011100841094 A CN2011100841094 A CN 2011100841094A CN 201110084109 A CN201110084109 A CN 201110084109A CN 102221464 A CN102221464 A CN 102221464A
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- catalyst
- cylinder body
- rear cylinder
- cylindrical shell
- mount pad
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- Exhaust Silencers (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses an exhaust catalyst test device for an engine, comprising a front cylinder body and a rear cylinder body, wherein the front cylinder body and the rear cylinder body are axially butt-jointed in a dismountable way to form a catalyst chamber; two ends of the catalyst chamber in axial direction can carry out axial position limiting respectively on a catalyst; the front cylinder body is used for hermetically connecting with an engine exhaust pipe; and the rear cylinder body is communicated with an exhaust silencer. In the device, a dismountable catalyst test tooling is adopted so that real test data can be obtained during the test process; the catalyst can be removed conveniently after the simulation test is finished; the subsequent determination on various parameters of the catalyst is not affected; the silencer can be repeatedly used and has generality; special silencers are not required for catalysts with different formulas and a same appearance specification during the test; therefore, the test cost is saved, and the working efficiency is improved.
Description
Technical field
The present invention relates to a kind of test unit of exhaust system for motorcycle, particularly a kind of engine exhaust system catalyst test unit.
Background technology
At engine exhaust system CC Catalytic Converter is set, is energy-saving and emission-reduction, guarantees one of main means that waste gas that engine discharges is up to standard.And which type of catalyst which kind of engine is applicable to, then needs to obtain to learn after the test figure.
The test of catalyst generally adopts the simulated engine exhaust process to carry out, and to obtain comparatively true and reliable data, provides theoretical foundation for catalyst is used for practice.In the prior art, during test,, the Cat Catalytic Converter integral solder in sound suppressor, and is tested the collection related data in order to guarantee the accuracy of overall tightness and experimental data; And the test of catalyst not merely is to carry out said process, also needs to carry out other various performance tests, and some process of the test is to carry out after carrying out simulation test; And the test method of prior art makes Cat Catalytic Converter to remove in aiutage easily, must be through comparatively complicated demolishing process, and can't guarantee that demolishing process can impact the performance of catalyst.Because Cat Catalytic Converter is welded in the sound suppressor, thereby when testing, must make sound suppressor at every turn, cause waste, and reduce work efficiency.
Therefore, need improve existing catalyst simulation test mode, can obtain comparatively real test figure, can easily catalyst be removed after the simulation test, not influence and carry out the mensuration of follow-up parameters to haunting, sound suppressor itself can be reused, and has a versatility, do not need in the test catalyst of different formulations identical appearance specification is made sound suppressor specially, save experimentation cost, increase work efficiency.
Summary of the invention
In view of this, the invention provides a kind of engine exhaust catalyst test unit, under the prerequisite that can obtain comparatively real test figure, can easily catalyst be removed after the simulation test, not influence and carry out the mensuration of follow-up parameters to haunting, sound suppressor itself can be reused, and has a versatility, do not need in the test catalyst of different formulations identical appearance specification is made sound suppressor specially, save experimentation cost, increase work efficiency.
Engine exhaust catalyst test unit of the present invention, cylindrical shell and rear cylinder body before comprising, the axial detachable butt joint of cylindrical shell and rear cylinder body forms the catalyst chamber before described, and docking mode can adopt any way of prior art, comprises that flange connects, is threaded or clamping etc.; Axial two ends, described catalyst chamber respectively can be to the catalyst axial limiting, and limit method also can adopt any limit method of the prior art, comprises spacing etc. by Spring Card; Described placket body is used to the exhaust pipe of engine that is tightly connected, and rear cylinder body is communicated in exhaust silencer.
Further, be positioned at before the catalyst chamber and be positioned at the catalyst chamber after be equipped with the sensor mount pad; Sensor holder is used to relevant sensor is set, and collects relevant data, and use is comparatively simple and convenient.
Further, described preceding cylindrical shell and rear cylinder body dock by threaded engagement, adopt the screw thread butt joint, have better seal, and convenient disassembly, can also adjust the clamping dynamics to Cat Catalytic Converter, guarantee carrying out smoothly of experimentation.
Further, also comprise the second preceding cylindrical shell and second rear cylinder body, the described second preceding cylindrical shell is connected butt joint and forms the second catalyst chamber with the second rear cylinder body axial thread, and axial two ends, the described second catalyst chamber respectively can be to the catalyst axial limiting; The cylindrical shell rear cylinder body that is tightly connected before described second, second rear cylinder body exhaust silencer that is tightly connected makes rear cylinder body be communicated in exhaust silencer by the second catalyst chamber; The second catalyst chamber is set, can tests as required, have dirigibility and versatility, improve the efficient of process of the test.
Further, be provided with the sensor mount pad after being positioned at the second catalyst chamber; The convenient sensor that is used for image data of installing, the efficient of raising process of the test; Said structure can collect the data in each process and each stage, to reach the test needs.
Further, before described second cylindrical shell and rear cylinder body one-body molded, be welded to connect or detachable being tightly connected; One-body molded characteristics with good airproof performance are applicable to the needs in two groups of catalyst chambeies; Be welded to connect to have and make and characteristics easy to assembly, reduce part dimension; Detachable being tightly connected has flexible characteristics, can install according to testing requirements.
Further, axial two ends, described catalyst chamber by the ring-shaped step justified in circle and the rear cylinder body in the cylindrical shell before being arranged to the catalyst axial limiting; Axial two ends, the described second catalyst chamber are by being arranged at before second the ring-shaped step justified in the circle and second rear cylinder body in the cylindrical shell to the catalyst axial limiting; Ring-shaped step has easily manufactured, the characteristics that cost is low, and intensity is higher, long service life;
Further, described sensor mount pad is the cup-like structure that the sensor mounting hole is opened in the bottom; Cylindrical shell, rear cylinder body, the second preceding cylindrical shell and the second rear cylinder body correspondence are provided with the sensor radial direction through hole before described, and the rim of a cup of described cup-like structure sensor mount pad is threaded onto the sensor radial direction through hole to screw-internal thread fit; Adopt threaded engagement sensor installation mount pad, have the characteristics of highly versatile, can change corresponding sensor as required, change simple and convenient; The sensor mounting hole of described sensor mount pad is provided with the internal thread that is used for sensor installation.Adopt the helicitic texture sensor installation not only to have firm characteristics are installed, also have excellent sealing performance, and change easy and convenient.
Further, described sensor mount pad comprises gas sensor mount pad and temperature sensor mount pad; Can temperature and gas componant detect simultaneously, increase work efficiency.
Beneficial effect of the present invention: engine exhaust catalyst test unit of the present invention, adopt detachable catalyst test frock, can obtain comparatively real test figure at the trial, can easily catalyst be removed after the simulation test, not influence and carry out the mensuration of follow-up parameters to haunting, sound suppressor itself can be reused, and has a versatility, do not need in the test catalyst of different formulations identical appearance specification is made sound suppressor specially, save experimentation cost, increase work efficiency.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described.
Fig. 1 is a mounting structure synoptic diagram of the present invention.
Embodiment
Fig. 1 is a mounting structure synoptic diagram of the present invention, as shown in the figure: the engine exhaust catalyst test unit of present embodiment, cylindrical shell 2 and rear cylinder body 4 before comprising, cylindrical shell 2 and rear cylinder body 4 axial detachable butt joints form catalyst chamber 3 before described, docking mode can adopt any way of prior art, comprises that flange connects, is threaded or clamping etc.; Axial two ends, described catalyst chamber 3 respectively can be to the catalyst axial limiting, and limit method also can adopt any limit method of the prior art, comprises spacing etc. by Spring Card; Cylindrical shell 2 exhaust pipe of engine 1 that is used to be tightly connected before described, rear cylinder body 4 is communicated in exhaust silencer 8.
In the present embodiment, be positioned at before the catalyst chamber 3 and after being positioned at catalyst chamber 3 and be equipped with the sensor mount pad; As shown in the figure, be provided with respectively one of gas sensor mount pad 9 and temperature sensor mount pad 14 before the catalyst chamber, be positioned at and be provided with gas sensor mount pad 10 and temperature sensor mount pad 13 each behind the catalyst chamber, sensor holder is used to be provided with relevant sensor, and collect relevant data, use is comparatively simple and convenient, and image data is easy to use simultaneously.
In the present embodiment, described before cylindrical shell 2 and rear cylinder body 4 dock by threaded engagement, adopt the screw thread butt joint, have better seal, and a convenient disassembly, can also adjust clamping dynamics to Cat Catalytic Converter, guarantee carrying out smoothly of experimentation.
In the present embodiment, also comprise the second preceding cylindrical shell 5 and second rear cylinder body 7, the described second preceding cylindrical shell 5 is connected butt joint and forms the second catalyst chamber 6 with second rear cylinder body, 7 axial threads, and 6 axial two ends, the described second catalyst chamber respectively can be to the catalyst axial limiting; Cylindrical shell 5 rear cylinder body 4, the second rear cylinder bodies 7 exhaust silencer 8 that is tightly connected that is tightly connected makes rear cylinder body 4 be communicated in exhaust silencer 8 by the second catalyst chamber 6 before described second; The second catalyst chamber 6 is set, can tests as required, have dirigibility and versatility, improve the efficient of process of the test.
In the present embodiment, be provided with the sensor mount pad after being positioned at the second catalyst chamber 6; As shown in the figure, be positioned at and be provided with gas sensor mount pad 11 and temperature sensor mount pad 12 each behind the second catalyst chamber 6, the convenient sensor that is used for image data of installing improves the efficient of process of the test; Said structure can collect the data in each process and each stage, to reach the test needs.
In the present embodiment, before described second cylindrical shell 5 and rear cylinder body 4 one-body molded, be welded to connect or detachable being tightly connected; Present embodiment adopts welded structure; Be welded to connect to have and make and characteristics easy to assembly, reduce part dimension; Certainly, one-body molded characteristics with good airproof performance are applicable to the needs in two groups of catalyst chambeies; Detachable being tightly connected has flexible characteristics, can install according to testing requirements.
In the present embodiment, 3 axial two ends, described catalyst chamber are by being arranged at ring-shaped steps round in preceding cylindrical shell 2 interior circles and the rear cylinder body 4 to the catalyst axial limiting; 6 axial two ends, the described second catalyst chamber are by being arranged at ring-shaped steps round in the second preceding cylindrical shell 5 interior circles and second rear cylinder body 7 to the catalyst axial limiting; Ring-shaped step has easily manufactured, and the characteristics that cost is low can moulding by turning processing, and intensity is higher, long service life.
In the present embodiment, described sensor mount pad is the cup-like structure that the sensor mounting hole is opened in the bottom; Cylindrical shell, second rear cylinder body and rear cylinder body or the second preceding cylindrical shell correspondence are provided with the sensor radial direction through hole, cylindrical shell before present embodiment is arranged at second before described; The rim of a cup of described cup-like structure sensor mount pad is threaded onto the sensor radial direction through hole to screw-internal thread fit, as shown in the figure, the corresponding sensor radial direction through hole comprises sensor radial direction through hole 9a, sensor radial direction through hole 10a, sensor radial direction through hole 11a, sensor radial direction through hole 12a, sensor radial direction through hole 12a, sensor radial direction through hole 13a and sensor radial direction through hole 14a; Adopt threaded engagement sensor installation mount pad, have the characteristics of highly versatile, can change corresponding sensor as required, change simple and convenient; The sensor mounting hole of described sensor mount pad is provided with the internal thread that is used for sensor installation.Adopt the helicitic texture sensor installation not only to have firm characteristics are installed, also have excellent sealing performance, and change easy and convenient.
In the present embodiment, described sensor mount pad comprises gas sensor mount pad and temperature sensor mount pad; Can temperature and gas componant detect simultaneously, increase work efficiency.
Explanation is at last, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not breaking away from the aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of the claim scope of the present invention.
Claims (9)
1. engine exhaust catalyst test unit, it is characterized in that: cylindrical shell and rear cylinder body before comprising, the axial detachable butt joint of cylindrical shell and rear cylinder body forms the catalyst chamber before described, axial two ends, described catalyst chamber respectively can be to the catalyst axial limiting, described placket body is used to the exhaust pipe of engine that is tightly connected, and rear cylinder body is communicated in exhaust silencer.
2. engine exhaust catalyst test unit according to claim 1 is characterized in that: be positioned at before the catalyst chamber and be positioned at the catalyst chamber after be equipped with the sensor mount pad.
3. engine exhaust catalyst test unit according to claim 2 is characterized in that: cylindrical shell and rear cylinder body dock by threaded engagement before described.
4. engine exhaust catalyst test unit according to claim 3, it is characterized in that: the cylindrical shell and second rear cylinder body before also comprising second, cylindrical shell is connected the butt joint formation second catalyst chamber before described second with the second rear cylinder body axial thread, and axial two ends, the described second catalyst chamber respectively can be to the catalyst axial limiting; The cylindrical shell rear cylinder body that is tightly connected before described second, second rear cylinder body exhaust silencer that is tightly connected makes rear cylinder body be communicated in exhaust silencer by the second catalyst chamber.
5. engine exhaust catalyst test unit according to claim 4 is characterized in that: be provided with the sensor mount pad after being positioned at the second catalyst chamber.
6. engine exhaust catalyst test unit according to claim 5 is characterized in that: before described second cylindrical shell and rear cylinder body one-body molded, be welded to connect or detachable being tightly connected.
7. engine exhaust catalyst test unit according to claim 6 is characterized in that: axial two ends, described catalyst chamber by the ring-shaped step justified in circle and the rear cylinder body in the cylindrical shell before being arranged to the catalyst axial limiting; Axial two ends, the described second catalyst chamber are by being arranged at before second the ring-shaped step justified in the circle and second rear cylinder body in the cylindrical shell to the catalyst axial limiting.
8. engine exhaust catalyst test unit according to claim 7 is characterized in that: described sensor mount pad is the cup-like structure that the sensor mounting hole is opened in the bottom; Cylindrical shell, rear cylinder body, the second preceding cylindrical shell and the second rear cylinder body correspondence are provided with the sensor radial direction through hole before described, and the rim of a cup of described cup-like structure sensor mount pad is threaded onto the sensor radial direction through hole to screw-internal thread fit; The sensor mounting hole of described sensor mount pad is provided with the internal thread that is used for sensor installation.
9. engine exhaust catalyst test unit according to claim 8 is characterized in that: described sensor mount pad comprises gas sensor mount pad and temperature sensor mount pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100841094A CN102221464A (en) | 2011-04-02 | 2011-04-02 | Exhaust catalyst test device for engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100841094A CN102221464A (en) | 2011-04-02 | 2011-04-02 | Exhaust catalyst test device for engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102221464A true CN102221464A (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100841094A Pending CN102221464A (en) | 2011-04-02 | 2011-04-02 | Exhaust catalyst test device for engine |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08246861A (en) * | 1995-03-08 | 1996-09-24 | Suzuki Motor Corp | Catalyst installing structure for motorcycle |
| JP2000186544A (en) * | 1998-12-24 | 2000-07-04 | Tetsuo Notomi | Exterior type exhaust emission control device for automobile |
| CN1614205A (en) * | 2004-12-08 | 2005-05-11 | 重庆隆鑫工业（集团）有限公司 | Motorcycle muffler of dispaceable catalytic converter |
| CN2764946Y (en) * | 2005-04-04 | 2006-03-15 | 赖鸿山 | Detachable catalysis converter of sound absorber |
| CN1858586A (en) * | 2005-04-30 | 2006-11-08 | 上海中油企业集团有限公司 | Test device for detecting purifying property of automobile catalytic device |
| CN201339500Y (en) * | 2009-01-15 | 2009-11-04 | 关宝林 | Assembled pretension sealing contact-media muffler |
| CN202033193U (en) * | 2011-04-02 | 2011-11-09 | 重庆隆鑫机车有限公司 | Catalyst test clamping tool |
-
2011
- 2011-04-02 CN CN2011100841094A patent/CN102221464A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08246861A (en) * | 1995-03-08 | 1996-09-24 | Suzuki Motor Corp | Catalyst installing structure for motorcycle |
| JP2000186544A (en) * | 1998-12-24 | 2000-07-04 | Tetsuo Notomi | Exterior type exhaust emission control device for automobile |
| CN1614205A (en) * | 2004-12-08 | 2005-05-11 | 重庆隆鑫工业（集团）有限公司 | Motorcycle muffler of dispaceable catalytic converter |
| CN2764946Y (en) * | 2005-04-04 | 2006-03-15 | 赖鸿山 | Detachable catalysis converter of sound absorber |
| CN1858586A (en) * | 2005-04-30 | 2006-11-08 | 上海中油企业集团有限公司 | Test device for detecting purifying property of automobile catalytic device |
| CN201339500Y (en) * | 2009-01-15 | 2009-11-04 | 关宝林 | Assembled pretension sealing contact-media muffler |
| CN202033193U (en) * | 2011-04-02 | 2011-11-09 | 重庆隆鑫机车有限公司 | Catalyst test clamping tool |
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Application publication date: 20111019 |