CN203785898U - Miniature vehicle magnetorheological fluid retarder performance test device - Google Patents
Miniature vehicle magnetorheological fluid retarder performance test device Download PDFInfo
- Publication number
- CN203785898U CN203785898U CN201420100368.0U CN201420100368U CN203785898U CN 203785898 U CN203785898 U CN 203785898U CN 201420100368 U CN201420100368 U CN 201420100368U CN 203785898 U CN203785898 U CN 203785898U
- Authority
- CN
- China
- Prior art keywords
- flywheel
- magnetorheological fluid
- fluid retarder
- collecting card
- data collecting
- 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
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a miniature vehicle magnetorheological fluid retarder performance test device. The test device aims to be small in size and structure, convenient in installation and accurate in test. The test device comprises a frame, a brake inertia assembly and a test system, wherein the brake inertia assembly and the test system are disposed on a left drive wheel hub and a right drive wheel hub. The test system comprises a magnetorheological fluid retarder and a torque sensor, wherein the magnetorheological fluid retarder and the torque sensor are successively, from the front back, disposed between a gearbox and a rear axle transmission case. The front end of the magnetorheological fluid retarder is linked to the output shaft of the gearbox through a cardan shaft. The front end of the torque sensor is linked to the back end of the magnetorheological fluid retarder through a rigid coupling. The back end of the magnetorheological fluid retarder is linked to the input shaft of the rear axle transmission case through the rigid coupling. The test device is suitable for a test of vehicle magnetorheological fluid retarder performance.
Description
Technical field
The utility model belongs to a kind of retarder for vehicles performance test apparatus, more particularly, relates to a kind of minicar magnetorheological fluid retarder performance testing device.
Background technology
Vehicle majority in the way of travelling all can run into long section, slope., road surface situation deficient at people's traffic safety consciousness be again very under complicated situation, the middle situation that occurs the frequent braking of vehicle of unavoidably normally travelling.For car brakeing safety problem, now, the scheme of employing is when former car brake system is installed, and application is with the retarder vehicle technology of auxiliary braking effect.Retarder, as automobile auxiliary brake, is the key equipment that guarantees vehicle driving safety, and retarder for vehicles adopts current vortex retarder and Retarder more at present, its physical dimension is larger, energy consumption is high, needs primary car structure to reequip simultaneously, and band is served inconvenience.Magnetic flow liquid is a kind of suspension liquid of non-colloidal state, by the solid particle of micron dimension, in machine oil, is formed.By the effect of external magnetic field, all can there is obvious variation in the fluid property of itself, chemical property etc., particularly can there is the most significant fluid and become characteristic, by the mutual conversion between viscosity, can be easy to change to semi-solid state from liquid, this is also the most outstanding characteristic of magnetic flow liquid.This outstanding characteristic of magnetic flow liquid is applied to the deficiency that retarder for vehicles can overcome existing retarder for vehicles.But because its performance is comparatively complicated, need many parameters jointly to express its performance.Also lack at present the performance test for automobile-used magnetorheological fluid retarder.
Summary of the invention
The purpose of this utility model is to overcome deficiency of the prior art, provide a kind of physical dimension little, easy for installation, test minicar magnetorheological fluid retarder performance testing device accurately.Can better simulate the actual service condition of retarder for vehicles and environmental baseline, react more really magnetorheological fluid retarder performance.
In order to solve the technical matters of above-mentioned existence, the utility model adopts following technical proposals: minicar of the present utility model magnetorheological fluid retarder performance testing device, comprise vehicle frame and two front-wheels, engine, wheel box, universal shaft, back axle transmission case and two of the left and right drive hub that are arranged on this vehicle frame, these two front-wheels are fixed on the brace table that base plate is set.Also comprise the braking inertia assembly and the test macro that are arranged on two drive hubs in left and right, described test macro is by magnetorheological fluid retarder, torque sensor, speed probe, temperature sensor, infrared thermometer, data collecting card, data display equipment and test group become, magnetorheological fluid retarder, before and after torque sensor, be successively set between wheel box and back axle transmission case, this magnetorheological fluid retarder front end connects with output shaft of gear-box by universal shaft, this torque sensor front end connects with this magnetorheological fluid retarder rear end by positive coupling, this torque sensor rear end connects with this back axle transmission case input shaft by positive coupling, this speed probe, temperature sensor is arranged on output shaft of gear-box, this speed probe, temperature sensor is respectively used to detect output shaft of gear-box rotating speed, engine temperature, this magnetorheological fluid retarder is provided with infrared thermometer, and this infrared thermometer is used for measuring magnetic flow liquid temperature, and this torque sensor is used for testing braking moment, and data collecting card is for reception & disposal voltage, electric current, braking moment, rotating speed and temperature data, data display equipment is used for showing recording voltage, electric current, braking moment, rotating speed and temperature measuring data,
Wherein:
This speed probe is connected with the input end of data collecting card;
This temperature sensor is connected with the input end of data collecting card;
This infrared thermometer is connected with the input end of data collecting card;
This torque sensor is connected with the input end of data collecting card;
The output terminal of this data collecting card is connected with the input end of data display equipment.
Preferred version as the utility model minicar with magnetorheological fluid retarder performance testing device, described braking inertia assembly is by flywheel shaft, interior fixedly flywheel, rotary flywheel, outer fixedly flywheel, flywheel bearing forms, two flywheel shafts in left and right connect with two of left and right drive hub respectively, on described base plate, left and right is respectively provided with two flywheel bearings, two of this left and right flywheel shaft is horizontally set on respectively on two flywheel bearings of homonymy rotationally, between two flywheel bearings of homonymy, this flywheel shaft is fixed with interior fixedly flywheel, outer fixedly flywheel, at this interior fixedly flywheel, outer fixedly between flywheel, rotary flywheel is arranged on this flywheel shaft rotationally.
As improvement of the present utility model, described data collecting card adopts PCL-6008 data collecting card.
Owing to adopting technique scheme, the minicar that the utility model provides with the beneficial effect that magnetorheological fluid retarder performance testing device has is:
The utility model minicar magnetorheological fluid retarder performance testing device, directly by magnetorheological fluid retarder, before and after torque sensor, be successively set between wheel box and back axle transmission case, by the torque sensor of test macro, speed probe, temperature sensor, infrared thermometer is respectively to engine mission output shaft rotating speed, engine temperature, magnetic flow liquid temperature, the operating voltage of braking moment and torque sensor, electric current carries out dynamic test, measurement data is by data collecting card reception & disposal, data display equipment shows recording voltage simultaneously, electric current, braking moment, rotating speed and temperature measuring data, to this magnetorheological fluid retarder is carried out to brake efficiency analysis.The utility model can better be simulated the actual service condition of retarder and environmental baseline, reacts more really magnetorheological fluid retarder performance.Obtained physical dimension little, easy for installation, test effect accurately.
Accompanying drawing explanation
Fig. 1 is the structure front view of magnetorheological fluid retarder performance testing device for the utility model minicar;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the side view of Fig. 1;
Fig. 4 is basic functional principle block scheme of the present utility model;
Fig. 5 is test macro ultimate principle block scheme of the present utility model.
In figure: front-wheel 1; Engine 2; Wheel box 3; Universal shaft 4; Magnetorheological fluid retarder 5; Torque sensor 6; Vehicle frame 7; Back axle transmission case 8; Drive hub 9; Interior fixedly flywheel 10; Rotary flywheel 11; Outer fixedly flywheel 12; Test macro 13; Base plate 14; Brace table 15; Flywheel bearing 16.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail:
As shown in Figure 1, Figure 2, Figure 3 shows, provided the organigram of the utility model minicar by magnetorheological fluid retarder performance testing device embodiment, comprise vehicle frame 7 and two front-wheels 1, engine 2, wheel box 3, universal shaft 4, back axle transmission case 8 and two of the left and right drive hub 9 that are arranged on this vehicle frame 7, these two front-wheels 1 are fixed on the brace table 15 that base plate 14 is set.Also comprise the braking inertia assembly and the test macro 13 that are arranged on two drive hubs 9 in left and right, at Fig. 1, in Fig. 5, described test macro 13 is by magnetorheological fluid retarder 5, torque sensor 6, speed probe, temperature sensor, infrared thermometer, data collecting card, data display equipment and test group become, magnetorheological fluid retarder 5, torque sensor 6 front and back are successively set between wheel box 3 and back axle transmission case 8, these magnetorheological fluid retarder 5 front ends connect with wheel box 3 output shafts by universal shaft 4, these torque sensor 6 front ends connect with these magnetorheological fluid retarder 5 rear ends by positive coupling, these torque sensor 6 rear ends connect with these back axle transmission case 8 input shafts by positive coupling, this speed probe, temperature sensor is arranged on wheel box 3 output shafts, this speed probe, temperature sensor is respectively used to detect wheel box 3 output shaft rotating speeds, engine 2 temperature, this magnetorheological fluid retarder 5 is provided with infrared thermometer, and this infrared thermometer is used for measuring magnetic flow liquid temperature, and this torque sensor 6 is for testing braking moment, and data collecting card is for reception & disposal voltage, electric current, braking moment, rotating speed and temperature data, data display equipment is used for showing recording voltage, electric current, braking moment, rotating speed and temperature measuring data,
Wherein:
This speed probe is connected with the input end of data collecting card;
This temperature sensor is connected with the input end of data collecting card;
This infrared thermometer is connected with the input end of data collecting card;
This torque sensor 6 is connected with the input end of data collecting card;
The output terminal of this data collecting card is connected with the input end of data display equipment.
As Fig. 1, Fig. 2, shown in Fig. 3, provided braking inertia assembly embodiment organigram of the present utility model, described braking inertia assembly is by flywheel shaft, interior fixedly flywheel 10, rotary flywheel 11, outer fixedly flywheel 12, flywheel bearing 16 forms, two flywheel shafts in left and right connect with two of left and right drive hub 9 respectively, on described base plate 14, left and right is respectively provided with two flywheel bearings 16, two of this left and right flywheel shaft is horizontally set on respectively on two flywheel bearings 16 of homonymy rotationally, between two flywheel bearings 16 of homonymy, this flywheel shaft is fixed with interior fixedly flywheel 10, outer fixedly flywheel 12, at this interior fixedly flywheel 10, outer fixedly between flywheel 12, rotary flywheel 11 is arranged on this flywheel shaft rotationally.This rotary flywheel 11 can independently not rotate with flywheel shaft, also can be respectively and interior fixedly flywheel 10, outer fixedly flywheel 12 axial restraints, or while and interior fixedly flywheel 10, outer fixedly flywheel 12 axial restraints, different combinations provides the braking inertia of different sizes, the different retarder torque of magnetorheological retarder work when simulation provides minicar to travel.
As preferred embodiment of the present utility model, described data collecting card adopts PCL-6008 data collecting card.
As shown in Figure 4, provided basic functional principle block scheme of the present utility model, first according to actual conditions, combination arranges braking inertia assembly, start the running of magnetorheological fluid retarder performance testing device, the actual service condition of magnetorheological fluid retarder and environmental baseline when this device real simulation minicar is travelled, at this moment test macro 13 is started working, speed probe, temperature sensor, infrared thermometer, torque sensor 6 inputs to measurement data respectively PCL-6008 data collecting card and processes, data display equipment shows recording voltage simultaneously, electric current, braking moment, rotating speed and temperature measuring data, realized in the retarder torque situation providing in this braking inertia assembly assembled state, the impact of temperature on retarder torque investigated in test, to evaluate the quality of the serviceability of magnetorheological fluid retarder, for improving the design parameter of magnetorheological fluid retarder, provide test support.
Magnetorheological fluid retarder performance test has following several situation:
1, the situation of simulation magnetorheological fluid retarder when continuing braking, the braking situation during for minicar lower long slope.Concrete process of the test is as follows: the rotary flywheel 11 of unloading independent assortment, fixedly flywheel 10, outer fixedly flywheel 12 in retaining, start the running of magnetorheological fluid retarder performance testing device, allow magnetorheological fluid retarder work, performance during each gear work of test magnetorheological fluid retarder records magnetorheological fluid retarder temperature, braking moment parameter simultaneously.
2, the brake condition of simulation minicar full load, combine after the free rotary flywheel 11 corresponding with this automobile gross mass, allow engine drag flywheel group to a certain rotating speed, hang to neutral, disconnect the connection of reasonable match system, the performance of test magnetorheological fluid retarder when each work records magnetorheological fluid retarder temperature, braking moment parameter simultaneously.
Slow performance when 3, test investigation magnetorheological fluid retarder switches between the slow gear of difference, combine after the free rotary flywheel 11 corresponding with this automobile gross mass, allow engine drag flywheel group to a certain rotating speed, then clutch and brake gearshift, performance when test magnetorheological fluid retarder switches between the slow gear of difference records magnetorheological fluid retarder temperature, braking moment parameter simultaneously.
The utility model can better be simulated the actual service condition of magnetorheological fluid retarder and environmental baseline, react more really magnetorheological fluid retarder performance, can improve magnetorheological fluid retarder R & D Level, shorten the magnetorheological fluid retarder construction cycle, lifting vehicle braking technology; Can also improve magnetorheological fluid retarder measuring technology; Raising for research and development, quality assurance and the braking performance of vehicle of magnetorheological fluid retarder product is all of great significance.The utility model is applicable to automobile-used magnetorheological fluid retarder performance test.
?
Claims (3)
1. a minicar magnetorheological fluid retarder performance testing device, comprises vehicle frame (7) and is arranged on two front-wheels (1) of this vehicle frame (7), engine (2), wheel box (3), universal shaft (4), two drive hubs in back axle transmission case (8) and left and right (9), these two front-wheels (1) are fixed on the brace table (15) that base plate (14) are set, it is characterized in that: also comprise the braking inertia assembly and the test macro (13) that are arranged on two drive hubs in left and right (9), described test macro (13) is by magnetorheological fluid retarder (5), torque sensor (6), speed probe, temperature sensor, infrared thermometer, data collecting card, data display equipment and test group become, magnetorheological fluid retarder (5), before and after torque sensor (6), be successively set between wheel box (3) and back axle transmission case (8), this magnetorheological fluid retarder (5) front end connects with wheel box (3) output shaft by universal shaft (4), this torque sensor (6) front end connects with this magnetorheological fluid retarder (5) rear end by positive coupling, this torque sensor (6) rear end connects with this back axle transmission case (8) input shaft by positive coupling, this speed probe, temperature sensor is arranged on wheel box (3) output shaft, this speed probe, temperature sensor is respectively used to detect wheel box (3) output shaft rotating speed, engine (2) temperature, this magnetorheological fluid retarder (5) is provided with infrared thermometer, and this infrared thermometer is used for measuring magnetic flow liquid temperature, and this torque sensor (6) is for testing braking moment, and data collecting card is for reception & disposal voltage, electric current, braking moment, rotating speed and temperature data, data display equipment is used for showing recording voltage, electric current, braking moment, rotating speed and temperature measuring data,
Wherein:
This speed probe is connected with the input end of data collecting card;
This temperature sensor is connected with the input end of data collecting card;
This infrared thermometer is connected with the input end of data collecting card;
This torque sensor (6) is connected with the input end of data collecting card;
The output terminal of this data collecting card is connected with the input end of data display equipment.
2. minicar according to claim 1 magnetorheological fluid retarder performance testing device, it is characterized in that: described braking inertia assembly is by flywheel shaft, interior fixedly flywheel (10), rotary flywheel (11), outer fixedly flywheel (12), flywheel bearing (16) forms, two flywheel shafts in left and right connect with two drive hubs in left and right (9) respectively, in the upper left and right of described base plate (14), be respectively provided with two flywheel bearings (16), two of this left and right flywheel shaft is horizontally set on respectively on two flywheel bearings (16) of homonymy rotationally, between two flywheel bearings of homonymy (16), this flywheel shaft is fixed with interior fixedly flywheel (10), outer fixedly flywheel (12), at this interior fixedly flywheel (10), outer fixedly between flywheel (12), rotary flywheel (11) is arranged on this flywheel shaft rotationally.
3. minicar according to claim 1 and 2 magnetorheological fluid retarder performance testing device, is characterized in that: described data collecting card adopts PCL-6008 data collecting card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100368.0U CN203785898U (en) | 2014-03-06 | 2014-03-06 | Miniature vehicle magnetorheological fluid retarder performance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420100368.0U CN203785898U (en) | 2014-03-06 | 2014-03-06 | Miniature vehicle magnetorheological fluid retarder performance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203785898U true CN203785898U (en) | 2014-08-20 |
Family
ID=51322075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420100368.0U Expired - Fee Related CN203785898U (en) | 2014-03-06 | 2014-03-06 | Miniature vehicle magnetorheological fluid retarder performance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203785898U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884516A (en) * | 2014-03-06 | 2014-06-25 | 黑龙江工程学院 | Magnetorheological fluid retarder performance testing device for mini-type vehicle |
| CN105486517A (en) * | 2015-11-21 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Novel eddy current retarder test system |
| CN113984405A (en) * | 2021-10-18 | 2022-01-28 | 中国第一汽车股份有限公司 | Method for testing braking performance of retarder |
-
2014
- 2014-03-06 CN CN201420100368.0U patent/CN203785898U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103884516A (en) * | 2014-03-06 | 2014-06-25 | 黑龙江工程学院 | Magnetorheological fluid retarder performance testing device for mini-type vehicle |
| CN103884516B (en) * | 2014-03-06 | 2016-03-16 | 黑龙江工程学院 | Minicar magnetorheological fluid retarder performance testing device |
| CN105486517A (en) * | 2015-11-21 | 2016-04-13 | 成都科瑞信科技有限责任公司 | Novel eddy current retarder test system |
| CN113984405A (en) * | 2021-10-18 | 2022-01-28 | 中国第一汽车股份有限公司 | Method for testing braking performance of retarder |
| CN113984405B (en) * | 2021-10-18 | 2024-05-07 | 中国第一汽车股份有限公司 | Retarder braking performance test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103884516B (en) | Minicar magnetorheological fluid retarder performance testing device | |
| CN103226067B (en) | Motor vehicle simulation road examination pick-up unit and detection method | |
| CN202041389U (en) | Driving resistance loading control platform for hybrid power automobile | |
| CN103217301B (en) | A kind of apparatus and method of automobile brake perfrmance detection | |
| CN105890908A (en) | Energy consumption analysis system and method for electric automobile | |
| CN203785898U (en) | Miniature vehicle magnetorheological fluid retarder performance test device | |
| CN103353402A (en) | Testing vehicle and testing method for mechanical characteristics of tires under different conditions | |
| CN203719894U (en) | High-speed gear box test stand for electric vehicle | |
| CN101893495A (en) | Integrated multifunctional automobile chassis dynamometer | |
| CN205209782U (en) | Belt car brake test device | |
| CN205785837U (en) | A kind of automobile double drive axle assay device | |
| CN104359691A (en) | Detection test device for power wheel set of railway vehicle | |
| SE539808C2 (en) | Method and system for use in dynamometer testing of a motor vehicle | |
| CN204988717U (en) | Multi -functional operation car axle gear box type test device of synthesizing | |
| CN102207425A (en) | Durable test stand for automobile speed changing box | |
| CN203798580U (en) | Vehicle drum reaction type brake detection device | |
| CN201707161U (en) | Integrated multifunctional dynamometer for automobile chassis | |
| CN103192701B (en) | A kind of four-wheel drive tractor trailer actuating device | |
| CN205562171U (en) | Multi -purpose whole electric automobile test bench | |
| CN2376624Y (en) | Comprehensive test platform for motor vehicle | |
| CN201837522U (en) | Differential velocity test table of vehicle | |
| CN103630278B (en) | A kind of current vortex retarder torque measuring method | |
| CN202075075U (en) | Full-time four-wheel-drive or six-wheel-drive vehicle chassis dynamometer | |
| CN202974540U (en) | An ABS brake detecting platform | |
| CN213275888U (en) | Comprehensive experiment system for three-electric system of new energy automobile |
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: 20140820 Termination date: 20150306 |
|
| EXPY | Termination of patent right or utility model |