CN204177576U - Be suitable for the delivery test cabin of air-cooled diesel engine - Google Patents
Be suitable for the delivery test cabin of air-cooled diesel engine Download PDFInfo
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- CN204177576U CN204177576U CN201420405506.6U CN201420405506U CN204177576U CN 204177576 U CN204177576 U CN 204177576U CN 201420405506 U CN201420405506 U CN 201420405506U CN 204177576 U CN204177576 U CN 204177576U
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Abstract
The utility model relates to a kind of delivery test cabin being suitable for air-cooled diesel engine, comprise closed cabin body, testing table is provided with in the body of described cabin, the rear end of described testing table is provided with electric dynamometer, described electric dynamometer is provided with automatic centring device, the coupling shaft of described electric dynamometer is provided with sensor, described sensor is rotating speed/torque sensor, the sidewall of described cabin body is provided with line concentrating case, the air inlet system for sending in the body of cabin is provided with above the front end of cabin body, the rear end of cabin body is provided with the exhaust system for outside air draft, the air port of described air inlet system and exhaust system access cabin body all adopts shutter, the inwall of described cabin body adopts punching aluminium sheet.Test unit is integrated in a cabin body by the utility model, rationally distributed, easy to use, connection and the centering of connection can be realized, reduce the activity duration, reduce labor intensity, increase work efficiency, and pre-adjustment can be carried out in diesel engine program control mill car, program control experimental stage to diesel engine performance.
Description
Technical field
The utility model relates to a kind of delivery test cabin being suitable for air-cooled diesel engine.
Background technology
The manufacturing process of diesel engine, in order to ensure that user can reliably use, all needs to carry out delivery test after diesel engine unit installs into, to verify its dynamic property and economic index, gets rid of assembly failure.Therefore the test method of diesel engine, the delivery test for diesel engine is extremely important.The invention is exactly the test method introducing a kind of air-cooled diesel engine, comprises the following steps: the environmental baseline that A, diesel engine delivery test should possess.The installation of B, diesel engine connects.C, diesel engine mill car.D, diesel engine are debugged.The examination of E, diesel engine.
So-called air-cooled diesel engine, it is different from traditional water-cooled diesel engine, and it does not need to arrange water cooling system, gray iron does not have water-jacket space, without water tank, water pump, heating radiator, thermostat etc., simplifies the structure, reduces manufacturing cost, decrease failure rate, reduce maintenance cost.The average exothermic temperature of air-cooled diesel engine cylinder cap is 170 DEG C, the higher temperature difference is had with environment temperature, even if also can not there is at the environment (air themperature reaches 50 DEG C) of sweltering heat the phenomenon occurring overheated boiling as water-cooled diesel engine, be specially adapted to drought desert, water-deficient area.
The delivery test of existing air-cooled diesel engine is carried out in universal test indoor usually, because air-cooled diesel engine cools by wind, require very high to the arranged direction of cooling air, do not allow the phenomenon occurring Air escape branch, therefore existing universal test room often cannot meet the air-conditioning requirement of air-cooled diesel engine delivery test well, in addition, because delivery test relates to multiple pilot project, often need diesel engine to be arranged on different testing tables in universal test indoor and carry out different tests, not only increase the manual operation amount of test thus, and it is also inconsistent to the control of environmental baseline under different tests occasion, such as often there is different air current compositions or air flow method mode, affect the comparability of test figure.
Utility model content
In order to overcome the above-mentioned defect of prior art, the utility model provides a kind of delivery test cabin being suitable for air-cooled diesel engine, this test cabin can be used for the whole experimental projects that dispatch from the factory carrying out air-cooled diesel engine, simple to operate, the place taken and equipment few, consistent to the control mode of test condition, be conducive to the comparison of warranty test data.
The technical scheme that the utility model adopts:
A kind of delivery test cabin being suitable for air-cooled diesel engine, comprise the cabin body closed being provided with ventilating system, testing table is provided with in the body of described cabin, the rear end of described testing table is provided with electric dynamometer, described testing table is provided with automatic centring device, the coupling shaft of described electric dynamometer is provided with sensor, and described sensor comprises speed probe and/or torque sensor.
Preferably, described ventilating system comprises the air inlet system sent in the body of cabin from the front portion of described cabin body and the exhaust system from the outside pump drainage wind in the rear portion of described cabin body.
Preferably, described air inlet system and exhaust system are respectively equipped with respective blower fan, described air inlet system and the blower fan of exhaust system are connected to the air outlet and exhaust outlet that are communicated with described cabin intracorporeal space, the quantity of described air outlet is one, be positioned at the front portion on top, described cabin, the quantity of described exhaust outlet is two, lays respectively at the left and right sides of the front lower portion of described cabin intracorporeal space.
Preferably, the blower fan of described air inlet system and exhaust system is installed on the top, cabin of described cabin body, is positioned at the top of described cabin body, and the blower fan of described exhaust system is by extending to the exhaust outlet described in the pumping wind pipe road connection in the body of described cabin.
Preferably, described air inlet and exhaust outlet all adopt shutter.
Preferably, the wind direction of the shutter of described air outlet is for longitudinally tilting backwards 35-40 degree.
Preferably, described electric dynamometer is arranged in the dynamometer machine support bed on described testing table, and described dynamometer machine support bed is flexibly connected with described testing table, and described automatic centring device connects and for regulating described dynamometer machine support bed.
Preferably, described testing table is also provided with the diesel engine support bed for mounting diesel engine, described diesel engine support bed comprises front support and rear support two parts, and the front support in described diesel engine support bed is flexibly connected with described testing table.
Preferably, the inwall of described cabin body adopts punching aluminium sheet.
Preferably, the sidewall of described cabin body is provided with line concentrating case, and the wire of each test sensor to come together in described line concentrating case and is connected to control system through corresponding connection terminal and wire casing.
The beneficial effects of the utility model are:
Owing to being provided with testing table and being equipped with ventilating system and corresponding testing equipment in enclosure body, corresponding air-conditioning requirement is realized by ventilating system, with the environmental baseline needed for satisfied test, by sensor, it can obtain corresponding rotating speed and torque data, the adjustment of various load and working method can be realized thus by dynamometer machine, thus the testing table of diesel engine in cabin just can complete various delivery test, decrease the manual operation amount of test, and avoid the difference because environmental baseline control mode difference under different occasion causes.
Owing to being provided with automatic centring device, the position of the axle of electric dynamometer and/or diesel engine can be regulated by automatic centring device, realize the automatic centering of diaxon, be very easy to operation thus, improve work efficiency, and improve precision and the reliability of centering.
Owing to carrying out air-supply and pump drainage wind in the rear and front end of cabin body respectively, make the air current composition in the body of cabin reasonable, the phenomenon (hot blast of cooling diesel engine again cooled fan suck cool) of Air escape branch can not be there is, the testing requirements of diesel engine can be met well.
Have employed the single air inlet being positioned at top, anterior cabin and the left and right exhaust outlet being positioned at the nearly bilge in rear portion thus, make air-flow in cabin more reasonable.
Because air inlet and exhaust outlet all adopt shutter, can the entering of adjusting louver window, air draft direction as required, such as preferred wind direction is for longitudinally tilting backwards 35-40 degree, can optimize the air flow method in cabin better.
Owing to being provided with the dynamometer machine support bed of flexible connection and making this stand be connected with automatic centring device, the object of automatic centering can be realized thus better.
Due to diesel engine support bed is arranged to front and back two parts, and forward part can move, and has adapted to the installation needs of different model diesel engine thus, can be used in the diesel engine test of polytypic.
Inwall due to cabin body adopts punching aluminium sheet, achieves the object of noise elimination, contributes to reducing noise intensity in the body of cabin, more contributes to the accuracy improving noise test data.
Owing to being provided with unified line concentrating case, can being connect up more neat and convenient, avoiding the trouble because wiring confusion brings.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
See Fig. 1, the testing table arranging delivery test in the cabin body of the utility model by sealing carries out various delivery test, is provided and the air flow method in control cabinet body and parameter, meet the delivery test requirement of air-cooled diesel engine thus by ventilating system.
Experimental cabin comprises cabin body 1, the various equipment of diesel engine test all can be arranged in the body of described cabin, air supplying and exhausting system, fuel delivery, motor frequency conversion switch board are placed on the top (top, cabin) of cabin body, punching aluminium sheet installed by the interior wall (inwall) of cabin body, play absorbing sound and lowering noise effect, this test cabin has not only concentrated testing equipment, has unified the control to environmental baseline, but also be convenient to resettlement use to strange land.
The air inlet design of air inlet system 2 in the front end of diesel engine (at diesel engine axially, before being oriented with the fan end of diesel engine), the overhead air outlet be arranged on top, cabin is blown with the inclination angle of about 37 degree (such as 35-40 degree) by the shutter of air outlet in cabin.
The exhaust outlet of exhaust system 3 is arranged on the rear end (flywheel end) of diesel engine, adopt shutter, hot blast in eliminating cabin, the left and right sides, the assembling of air inlet system is on top, cabin, by extending to the corresponding exhaust outlet of install pipeline in the body of cabin, the heat produced due to air-cooled diesel engine break-in and test mostly distributes in experimental cabin, Boiler pressure control is comparatively crucial, therefore Frequency Converter Control air quantity can be adopted, air balance in effective adjustment experimental cabin, reaches the substantially invariable object of test temperature.
Electric dynamometer 4 is arranged on dynamometer machine stand, adopt electric dynamometer can carry out test under various load and diesel running-in, and make the data of measurement more accurate, also possess the ability of diesel engine energy by AC load generator feedback grid simultaneously, be conducive to the output of diesel engine in recycling process of the test.
Automatic centring device 5 is for realizing diesel engine quick centring by the adjustment position of electric dynamometer support bed on testing table, ensure the right alignment of motor and diesel engine, when diesel engine upper stage is installed, directly to be aligned with coupling shaft by diesel engine rear end (flywheel end) and be connected, to ensure measuring accuracy.The multiple series such as 2,3,4 and 6 cylinders are comprised due to current air-cooled diesel engine, therefore distinguish to some extent in length, in order to realize versatility, reduce resource occupation, therefore when Test-bed Design, the support design of diesel engine front end is become adjustable structure, realizes the universalization of the diesel engine of different cylinder number.
Line concentrating case 8 is arranged on the sidewall of cabin body, tests the rotating speed, torque sensor and the sensor conductor such as engine oil pressure, oil temperature that relate to and to concentrate in line concentrating case and to be delivered to control system.The concrete form of described sensor according to prior art, can arrange speed probe and the torque sensor of independent function respectively, also can adopt the sensor that simultaneously can gather rotating speed and moment of torsion two kinds of signals.
Described process of the test can manual control, but usually can arrange experiment control system 6 pairs of processs of the test to control according to the flow process set, according to testing requirements, the rotating shaft of dynamometer machine arranges rotating speed and torque sensor 7 etc. for obtaining corresponding test parameters and can controlling according to actual measurement parameter, so that test carry out smoothly, but when automatic controlling level is higher, can for air-cooled diesel engine break-in, performance index and load properties design con-trol software systems, so that under the support of these softwares, the test of robotization is realized by hardware structure of the present utility model.
Claims (10)
1. one kind is suitable for the delivery test cabin of air-cooled diesel engine, it is characterized in that comprising the cabin body closed being provided with ventilating system, testing table is provided with in the body of described cabin, the rear end of described testing table is provided with electric dynamometer, described testing table is provided with automatic centring device, the coupling shaft of described electric dynamometer is provided with sensor, and described sensor comprises speed probe and/or torque sensor.
2. be suitable for the delivery test cabin of air-cooled diesel engine as claimed in claim 1, it is characterized in that described ventilating system comprises the air inlet system sent in the body of cabin from the front portion of described cabin body and the exhaust system from the outside pump drainage wind in the rear portion of described cabin body.
3. be suitable for the delivery test cabin of air-cooled diesel engine as claimed in claim 2, it is characterized in that described air inlet system and exhaust system are respectively equipped with respective blower fan, described air inlet system and the blower fan of exhaust system are connected to the air outlet and exhaust outlet that are communicated with described cabin intracorporeal space, the quantity of described air outlet is one, be positioned at the front portion on top, cabin, the quantity of described exhaust outlet is two, lays respectively at the left and right sides of the front lower portion of described cabin intracorporeal space.
4. be suitable for the delivery test cabin of air-cooled diesel engine as claimed in claim 3, it is characterized in that the blower fan of described air inlet system and exhaust system is installed on the top, cabin of described cabin body, be positioned at the top of described cabin body, the blower fan of described exhaust system is by extending to the exhaust outlet described in the pumping wind pipe road connection in the body of described cabin.
5. be suitable for the delivery test cabin of air-cooled diesel engine as claimed in claim 4, it is characterized in that described air inlet and exhaust outlet all adopt shutter.
6. being suitable for the delivery test cabin of air-cooled diesel engine as claimed in claim 5, it is characterized in that the wind direction of the shutter of described air outlet is for longitudinally tilting backwards 35-40 degree.
7. as described in claim 1,2,3,4,5 or 6, be suitable for the delivery test cabin of air-cooled diesel engine, it is characterized in that in the dynamometer machine support bed that described electric dynamometer is arranged on described testing table, described dynamometer machine support bed is flexibly connected with described testing table, and described automatic centring device connects and for regulating described dynamometer machine support bed.
8. be suitable for the delivery test cabin of air-cooled diesel engine as claimed in claim 7, it is characterized in that described testing table being also provided with the diesel engine support bed for mounting diesel engine, described diesel engine support bed comprises front support and rear support two parts, and the front support in described diesel engine support bed is flexibly connected with described testing table.
9. be suitable for the delivery test cabin of air-cooled diesel engine as claimed in claim 8, it is characterized in that the inwall of described cabin body adopts punching aluminium sheet.
10. be suitable for the delivery test cabin of air-cooled diesel engine as claimed in claim 9, it is characterized in that the sidewall of described cabin body is provided with line concentrating case, the wire of each test sensor to come together in described line concentrating case and is connected to control system through corresponding connection terminal and wire casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405506.6U CN204177576U (en) | 2014-07-22 | 2014-07-22 | Be suitable for the delivery test cabin of air-cooled diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420405506.6U CN204177576U (en) | 2014-07-22 | 2014-07-22 | Be suitable for the delivery test cabin of air-cooled diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204177576U true CN204177576U (en) | 2015-02-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420405506.6U Active CN204177576U (en) | 2014-07-22 | 2014-07-22 | Be suitable for the delivery test cabin of air-cooled diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204177576U (en) |
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2014
- 2014-07-22 CN CN201420405506.6U patent/CN204177576U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 301700 Building 1, No. 36, Jingbin Avenue, Jingbin Industrial Park, Wuqing District, Tianjin Patentee after: Beinei diesel engine (Tianjin) Co.,Ltd. Address before: No. 1, liuhezhuang, dahongmen, Fengtai District, Beijing 100076 Patentee before: BEIJING BEINEI DIESEL ENGINE Co.,Ltd. |
|
| CP03 | Change of name, title or address |