CN201828367U - Automotive chassis dynamometer - Google Patents
Automotive chassis dynamometer Download PDFInfo
- Publication number
- CN201828367U CN201828367U CN2010205080851U CN201020508085U CN201828367U CN 201828367 U CN201828367 U CN 201828367U CN 2010205080851 U CN2010205080851 U CN 2010205080851U CN 201020508085 U CN201020508085 U CN 201020508085U CN 201828367 U CN201828367 U CN 201828367U
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- CN
- China
- Prior art keywords
- drive roll
- driven cylinder
- road simulation
- cylinder
- simulation dynamometer
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- 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
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Abstract
The utility model relates to an automotive chassis dynamometer, which comprises a rack, a first driving roller, a second driving roller, a first driven roller, a second driven roller and an eddy current dynamometer with a force sensor are arranged on the rack, the second driving roller, the first driven roller and the second driven roller are coaxially connected with the first driving roller, and the eddy current dynamometer is coaxially connected with the first driving roller. The automotive chassis dynamometer is characterized in that: synchronous belts for driving are adopted between the first driving roller and the first driven roller and between the second driving roller and the second driven roller; and a coast motor is arranged on the rack as well, and is coaxially connected with the first driving roller through a coupling. The automotive chassis dynamometer provided by the utility model can accurately and stably determine the output power of automotive driving wheels.
Description
Technical field
The utility model relates to a kind of automotive performance checkout equipment, particularly relates to a kind of road simulation dynamometer.
Background technology
Road simulation dynamometer is the test unit that is used for automotive performances such as measured automobiles driving wheel output power, is one of very important automotive performance checkout equipment.Compare with outdoor actual road test, have the advantage of safe, efficient and good reproducibility in the enterprising driving of a chassis dynamometer test.During detection, vehicle to be measured reaches road simulation dynamometer, and simulated roadway travels thereon.
Dynamometer machine usually adopts four cylinder test pavement simulating systems, promptly supports the wheel of left and right sides automobile to be measured respectively by four cylinders and rotates with respect to wheel, applies resistive torque to cylinder then and comes the resistance of simulating vehicle when the road driving.The two ends bearings of each cylinder amounts to eight strong points, so the mechanical resistance loss is big.In addition, reasons such as the assembly quality of dynamometer machine, dynamometer machine stand stretch can make the cylinder right alignment constantly change, just make the road simulation dynamometer internal motion resistance play pendulum, can know by inference, these mechanical resistance losses of dynamometer machine and displacement resistance all can increase loss, and it is unstable and inaccurate to cause it to detect data.
In addition, to Automobile Detection the time,, outside its driving wheel output power of detection, increased the motor vehicle exhaust emission test item for meeting the environment monitoring requirement of increasingly stringent now, if will accurately detect, also just can not ignore the resistance loss of road simulation dynamometer self to this.
The utility model content
The purpose of this utility model promptly provide a kind of can be accurately and the stable road simulation dynamometer of measuring the automobile driving wheel output power.
For solving the problems of the technologies described above, the utility model is taked following technical scheme: a kind of road simulation dynamometer, comprise frame, frame is provided with first drive roll, with coaxial second drive roll that connects of described first drive roll, the first driven cylinder, the second driven cylinder with have the current vortex machine of force transducer, described current vortex machine and described coaxial connection of first drive roll, it is characterized in that, adopt band transmission synchronously between described first drive roll and the described first driven cylinder, between described second drive roll and the described second driven cylinder; Also be provided with the anti-motor that drags on the described frame, the described anti-motor that drags connects by shaft coupling is coaxial with described first drive roll.
Preferably, the described anti-motor that drags is a frequency control motor.
Preferably, described current vortex machine adopts the air-cooled type of cooling.
Preferably, the below of described first drive roll, described second drive roll, the described first driven cylinder, the described second driven cylinder all is provided with the lifting device of roll brake; Described lifting device should adopt oil cylinder or air bag to drive.
Preferably, the diameter range of described first drive roll, described second drive roll, the described first driven cylinder, the described second driven cylinder is 210mm-420mm.
Road simulation dynamometer of the present utility model owing to adopt band transmission synchronously between drive roll and driven cylinder, strengthens its synchronism, can reduce mechanical resistance, improves testing result stability; Be provided with the anti-motor that drags again, can measure the power attenuation of chassis dynamometer itself during use, can improve the accuracy of final detection result.
Description of drawings
Fig. 1 is the structural representation of the utility model road simulation dynamometer preferred embodiment.
Fig. 2 is the cut-open view of Fig. 1 on short transverse.
The 1-second driven cylinder among the figure, 2-frame, 3-second drive roll, 4-inter panel, 5-current vortex machine, the 6-shaft coupling, 7-is with synchronously, 8-force transducer, 9-lifting device, 10-case, the 11-oil cylinder, the anti-motor that drags of 12-, the 13-first driven cylinder, 14-first drive roll.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
For making drawing clear, Fig. 1 is the structural representation after inter panel 4 and case 10 are omitted in the preferred embodiment of the utility model road simulation dynamometer.Referring to Fig. 1 and Fig. 2, a kind of road simulation dynamometer, comprise frame 2, frame 2 is provided with first drive roll 14, second drive roll, 3, first driven cylinder 13, the second driven cylinder 1 and has the current vortex machine 5 of force transducer 8, connect by shaft coupling is coaxial between first drive roll 14 and second drive roll 3, current vortex machine 5 and first drive roll 14 are by 6 coaxial connections of shaft coupling.Frame 2 is provided with the anti-motor 12 that drags of frequency control and connects by shaft coupling is coaxial with first drive roll 14.
Adopt between first drive roll 14 and the first driven cylinder 13, between second drive roll 3 and the second driven cylinder 1 and be with 7 transmissions synchronously, the mechanical wear in the time of can reducing operation.
Below first drive roll 14, second drive roll, 3, the first driven cylinder 13 and the second driven cylinder 1, all be provided with the lifting device 9 of roll brake, lifting device 9 adopts oil cylinder 11 to drive, and also can adopt air bag to drive according to on-the-spot service condition or request for utilization.
During detection, automobile reaches road simulation dynamometer, and four wheels place on four cylinders, the lifting device of four cylinders below has carried the quality that each cylinder carried, i.e. the quality of automobile is when lifting device is in the rise state, cylinder is braked, and vehicle steadily sails or sail out of chassis dynamometer into.When lifting device was in full state, roll brake disengaged with cylinder fully, does not produce braking moment, can detect automobile chassis at this moment.First drive roll 14 and second drive roll 3 that the automobile driving wheel drives road simulation dynamometer rotate, and the first driven cylinder 13 and first drive roll 14 rotate synchronously, and the second driven cylinder 1 and second drive roll 3 rotate synchronously.Be a kind of device for power absorption with first drive roll, the 14 coaxial current vortex machines that connect 5, resistive torque can be provided, the resistance that automotive wheel to be measured is subjected to is equivalent to the resistance that is subjected under the equal operating mode in actual road test, force transducer 8 on the current vortex machine 5 changes into the correspondent voltage signal with its pressure that is subjected to, convert the driving force value of automobile driving wheel after treatment again to, draw the performance number of current vortex machine 5; Automobile sails out of chassis dynamometer, the anti-automotive wheel that drags motor 12 to drive on current vortex machine 5 and cylinder and the cylinder of adjustable speed does work, reach the detection speed of a motor vehicle, detect anti-power input, electric efficiency and output power of dragging motor 12, this output power is the summation of the loss power of automobile chassis loss power and road simulation dynamometer itself, the performance number addition of this performance number and the current vortex machine 5 that recorded is the real output of driving wheel under tested operating mode of automobile chassis.
The diameter range of first drive roll 14, second drive roll, 3, first driven cylinder 13, the second driven cylinder 1 is 210mm-420mm, can satisfy the detection requirement of conventional all kinds of automobiles.
Current vortex machine 5 adopts the air-cooled type of cooling, and is simple in structure, easy for installation, satisfies and uses needs.
Claims (6)
1. road simulation dynamometer, comprise frame, frame is provided with first drive roll, with coaxial second drive roll that connects of described first drive roll, the first driven cylinder, the second driven cylinder with have the current vortex machine of force transducer, described current vortex machine and described coaxial connection of first drive roll, it is characterized in that, adopt band transmission synchronously between described first drive roll and the described first driven cylinder, between described second drive roll and the described second driven cylinder; Also be provided with the anti-motor that drags on the described frame, the described anti-motor that drags connects by shaft coupling is coaxial with described first drive roll.
2. road simulation dynamometer according to claim 1 is characterized in that, the described anti-motor that drags is a frequency control motor.
3. road simulation dynamometer according to claim 1 is characterized in that, described current vortex machine adopts the air-cooled type of cooling.
4. road simulation dynamometer according to claim 1 is characterized in that, the below of described first drive roll, described second drive roll, the described first driven cylinder, the described second driven cylinder all is provided with the lifting device of roll brake.
5. road simulation dynamometer according to claim 5 is characterized in that, described lifting device adopts oil cylinder or air bag to drive.
6. road simulation dynamometer according to claim 1 is characterized in that, the diameter range of described first drive roll, described second drive roll, the described first driven cylinder, the described second driven cylinder is 210mm-420mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205080851U CN201828367U (en) | 2010-08-27 | 2010-08-27 | Automotive chassis dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205080851U CN201828367U (en) | 2010-08-27 | 2010-08-27 | Automotive chassis dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201828367U true CN201828367U (en) | 2011-05-11 |
Family
ID=43966894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205080851U Expired - Fee Related CN201828367U (en) | 2010-08-27 | 2010-08-27 | Automotive chassis dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201828367U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967471A (en) * | 2012-11-01 | 2013-03-13 | 中国煤炭科工集团太原研究院 | Running-in test device of explosion-proof rubber-tyred vehicle |
| CN103940631A (en) * | 2014-05-09 | 2014-07-23 | 长安大学 | Wheel type cold milling machine pre-delivery detection device |
| CN108362414A (en) * | 2018-04-18 | 2018-08-03 | 北京博科测试***股份有限公司 | A kind of new automobile emission test road load system |
| CN109682517A (en) * | 2018-12-25 | 2019-04-26 | 太原理工大学 | Flame-proof rubber-tired cart chassis power detection device and its detection method |
-
2010
- 2010-08-27 CN CN2010205080851U patent/CN201828367U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967471A (en) * | 2012-11-01 | 2013-03-13 | 中国煤炭科工集团太原研究院 | Running-in test device of explosion-proof rubber-tyred vehicle |
| CN102967471B (en) * | 2012-11-01 | 2015-10-14 | 中国煤炭科工集团太原研究院 | Flame proof rubber tyre vehicle running-in testing apparatus |
| CN103940631A (en) * | 2014-05-09 | 2014-07-23 | 长安大学 | Wheel type cold milling machine pre-delivery detection device |
| CN103940631B (en) * | 2014-05-09 | 2017-01-04 | 长安大学 | A kind of wheeled cold milling and planing machine outgoing detector |
| CN108362414A (en) * | 2018-04-18 | 2018-08-03 | 北京博科测试***股份有限公司 | A kind of new automobile emission test road load system |
| CN109682517A (en) * | 2018-12-25 | 2019-04-26 | 太原理工大学 | Flame-proof rubber-tired cart chassis power detection device and its detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20130827 |