CN205538230U - Automobile operation stability rack test test bench - Google Patents

Automobile operation stability rack test test bench Download PDF

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Publication number
CN205538230U
CN205538230U CN201620025761.7U CN201620025761U CN205538230U CN 205538230 U CN205538230 U CN 205538230U CN 201620025761 U CN201620025761 U CN 201620025761U CN 205538230 U CN205538230 U CN 205538230U
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CN
China
Prior art keywords
testing stand
force
gripper shoe
measuring module
test
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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
Application number
CN201620025761.7U
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Chinese (zh)
Inventor
谢伟东
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Zhejiang University of Technology ZJUT
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Zhejiang University of Technology ZJUT
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Priority to CN201620025761.7U priority Critical patent/CN205538230U/en
Application granted granted Critical
Publication of CN205538230U publication Critical patent/CN205538230U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides an automobile operation stability rack test test bench, the test bench includes power device, backup pad, dynamometry module, backup pad system has the surface of being close the road surface characteristic, it is in to be surveyed the automobile parking in the backup pad, backup pad fixed connection is in in the dynamometry module, the power device drive backup pad and dynamometry module realize the motion of the specific law of automobile operation stability test. The utility model provides an improve the automobile operation stability rack test test bench of the test result degree of accuracy and uniformity.

Description

Vehicle handling stability engine bench test testing stand
Technical field
This utility model relates to automotive test field, especially a kind of vehicle handling stability engine bench test testing stand.
Background technology
The research and development of vehicle complete vehicle be unable to do without vehicle handling stability test.Auto technology bound pair improves vehicle handling stability pay attention to day by day in recent years, how to test and evaluate the control stability of automobile, although having defined series of standards, but restricted by situations such as the automobile dynamics calculated level in standard stipulation age and measuring technology levels, there is result of calculation and test accuracy is the most not high enough, calculating the problem such as bigger that differ with the result of test, wherein test accuracy and repetition consistency problem are the principal aspect of a contradictions, should first be solved.Engine bench test has test condition and is prone to accurately control, the advantages such as test result is reproducible, is therefore widely used in the Performance comparision between automobile research and development and similar car, and such as NCAP test is exactly the most representational engine bench test.But, the engine bench test technical research and the achievement that relate to vehicle handling stability are little.
Vehicle handling stability the most concern is the dynamic data of the contact force (include in the face of the normal direction of tire, tangential and side-force reaction) on tire and ground, the inclination of vehicle body, the mutual relation laterally and between the eigenvalue of yaw vibration and response data, and these data.The real vehicle carried out according to ISO relevant criterion and Domestic Correlative Standard travels test, owing to test condition is difficult to accurately control, the factors such as the operation level of vehicle driver, at heart quality, instant emotion and fatigue of especially testing are very big on test result impact, are typically difficult to obtain control stability test result more accurately.More it is essential that there is presently no and see the mature technology scheme accurately being measured the dynamic force between tire and ground by real vehicle traveling test.
Summary of the invention
For the deficiency that the test result accuracy overcoming existing vehicle handling stability test mode to cause is relatively low, this utility model provides one to improve test result accuracy and conforming vehicle handling stability stand test method and testing stand.
This utility model solves its technical problem and be the technical scheme is that
A kind of vehicle handling stability engine bench test testing stand, described testing stand includes power set, gripper shoe, force-measuring module, described gripper shoe is shaped with the surface close to pavement characteristics, tested automobile parking is in described gripper shoe, described gripper shoe is fixedly connected on described force-measuring module, and power set drive described gripper shoe and force-measuring module to realize the motion of the specific rule that vehicle handling stability is tested.
The motion of the specific rule of vehicle handling stability of the present utility model test refers to inclination, lateral and weaving.
Described testing stand includes N group gripper shoe and force-measuring module, supports the N group wheel of described tested automobile respectively, N >=2 and be natural number.
Described force-measuring module is multi-dimension force sensor.
The supporting surface of described gripper shoe is provided around protection edge.
Described force-measuring module is arranged on the supporting station of described testing stand, and described supporting station is connected with round platform by roller, guide rail or bearing, and drives work to rotate relative to described round platform by rotary power unit, and described round platform is fixing with slide unit to be connected.
Or: described force-measuring module is arranged on the slide unit of described testing stand.
Described slide unit is connected with base by roller, guide rail or bearing, and drives the work linear motion relative to described base by straight-line power device.
Again or: described force-measuring module is arranged on the turntable of described testing stand, and described turntable is connected with circular motion power set, described turntable can circular motion power set drive under circle around axial line.
Described turntable is provided with wheel.
Technology of the present utility model is contemplated that: can apply in the gripper shoe of lateral movement, yaw and circular motion to automobile by tested automobile parking at one, described tested automobile is in on-position of parking, the surface of the tire interface of described gripper shoe and described tested automobile is by specific pavement characteristics manufacture, described gripper shoe consolidates with force-measuring module, described force-measuring module consolidates with motion platform, described motion platform is driven by power set can make the linear motion of specific rule, weaving and circular motion, and movement velocity variable controllable.
The action and counteraction power relation existed with ground according to tire, described motion platform can the lateral and weaving of vehicle traveling process under the common operating mode of accurate simulation, and the contact that will move through gripper shoe and tire is applied to automobile, measure in real time and record tire simultaneously and act on the load with gripper shoe, simultaneously can need to install additional the sensors such as displacement, angle, acceleration at the feature position of automobile according to test subject, synchro measure also records the response data that inclinations, lateral and yaw etc. vibrate.
The beneficial effects of the utility model are mainly manifested in: tested automobile can be applied accurately, repeat lateral movement, weaving and circular motion that concordance is high by described method of testing and testing stand, tire is acted on the load in the gripper shoe with ground characteristics and can be gathered accurately and record by force transducer, therefore can obtain than actual travel test test result the most accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of a kind of vehicle handling stability testing stand that can make lateral and weaving.
Fig. 2 is the structural representation of the embodiment of a kind of vehicle handling stability testing stand that can make lateral movement.
Fig. 3 is the structural representation of the embodiment of a kind of vehicle handling stability testing stand that can circle.
Fig. 4 is the structural representation of the embodiment of a kind of gripper shoe.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described.
With reference to Fig. 1~Fig. 4, a kind of vehicle handling stability engine bench test testing stand, described testing stand includes power set, gripper shoe 15, force-measuring module 14, described gripper shoe 15 is shaped with the surface 25 close to pavement characteristics, tested automobile parking is in described gripper shoe, described gripper shoe 15 is fixedly connected on described force-measuring module 14, and power set drive described gripper shoe 15 and force-measuring module 14 to realize the motion of the specific rule that vehicle handling stability is tested.
The motion of the specific rule of the vehicle handling stability test of the present embodiment refers to inclination, lateral and weaving.
Further, described testing stand includes N group gripper shoe and force-measuring module, supports the N group wheel of described tested automobile respectively, N >=2 and be natural number.Described testing stand is provided with the described gripper shoe of N group 15 and force-measuring module 14, for supporting the N group wheel of tested automobile respectively, and measures respectively and is acted on the dynamic force in corresponding described gripper shoe 15 by wheel.
Further, described force-measuring module 14 is multi-dimension force sensor.
Further, the supporting surface of described gripper shoe 5 is provided around protection edge 25.Described surface 26 can be asphalt material layer.
Described protection edge 25 causes tested automobile drop test platform in order to prevent wheel from sliding relative to ground.
Described force-measuring module 14 is arranged on the supporting station 13 of described testing stand, described supporting station 13 is connected with round platform 9 by roller, guide rail or bearing, and driving work to rotate relative to described round platform 9 by rotary power unit 20, described round platform 9 is fixing with slide unit 6 to be connected.
Described upper roller 12 and bottom roller 10 it is provided with bottom described supporting station 13, described round platform 9 is provided with described guide rail 11, described guide rail 11 is annulus guide rail, described upper roller 12 which can support described supporting station 13 and rotates on described guide rail 11, and described bottom roller 10 is used for preventing described supporting station 13 from tumbling.
Being provided with driven gear 18 on described supporting station 13, described rotary power unit 20 drives driven gear 18 to rotate by driving gear 19, and then drives described round platform 9 to rotate, and described rotary power unit 20 is fixing with described slide unit 6 to be connected.
Or: described force-measuring module 14 is arranged on the slide unit 6 of described testing stand.
Described slide unit 6 is connected with base 1 by roller, guide rail or bearing, and drives the work linear motion relative to described base 1 by straight-line power device.
Described slide unit 6 is provided with upper roller 8 and bottom roller 7, and described base 1 is provided with described guide rail 5, and it is for linear motion on described guide rail 5 that described upper roller 8 which can support described slide unit 6, and described bottom roller 7 is used for preventing described slide unit 6 from tumbling.
Being provided with described power set 4 and travelling gear 3 on described slide unit 6, described power set 4, by the meshing relation of travelling gear 3 with tooth bar 2, drive described slide unit 6 for linear motion.
Again or: described force-measuring module 14 is arranged on the turntable 22 of described testing stand, and described turntable 22 is connected with circular motion power set 21, described turntable 22 can circular motion power set 21 drive under circle around axial line.Described turntable 22 is provided with wheel 23.
Described preventer 16 is arranged on the both sides of tested automobile 17, the tested automobile caused in order to reduce tested automobile to turn on one's side in test process and testing stand and damages.
The method of testing that the vehicle handling stability engine bench test testing stand of the present embodiment realizes, tested automobile 17 is parked in gripper shoe 15, described tested automobile 17 is in on-position of parking, and the surface of the tire interface of described gripper shoe 15 and described tested automobile is by specific pavement characteristics manufacture;
The action and counteraction power relation existed with ground according to tire, motion by the specific rule of motion platform simulated automotive control stability test, and the described contact moving through described gripper shoe 15 and tire is applied to described tested automobile, measure in real time and record tire simultaneously and act on the load of described gripper shoe, simultaneously can need to install sensor additional at the specific part of described tested automobile according to test subject, synchro measure also records the response data of described motion.

Claims (9)

1. a vehicle handling stability engine bench test testing stand, it is characterized in that: described testing stand includes power set, gripper shoe, force-measuring module, described gripper shoe is shaped with the surface close to pavement characteristics, tested automobile parking is in described gripper shoe, described gripper shoe is fixedly connected on described force-measuring module, and described power set drive described gripper shoe and force-measuring module to realize lateral movement, weaving or circular motion.
2. testing stand as claimed in claim 1, it is characterised in that: described testing stand includes N group gripper shoe and force-measuring module, supports the N group wheel of described tested automobile respectively, N >=2 and be natural number.
3. testing stand as claimed in claim 1 or 2, it is characterised in that: described force-measuring module is multi-dimension force sensor.
4. testing stand as claimed in claim 1 or 2, it is characterised in that: the supporting surface of described gripper shoe is provided around protection edge.
5. testing stand as claimed in claim 1 or 2, it is characterized in that: described force-measuring module is arranged on the supporting station of described testing stand, described supporting station is connected with round platform by roller, guide rail or bearing, and driving work to rotate relative to described round platform by rotary power unit, described round platform is fixing with slide unit to be connected.
6. testing stand as claimed in claim 1 or 2, it is characterised in that: described force-measuring module is arranged on the slide unit of described testing stand.
7. testing stand as claimed in claim 5, it is characterised in that: described slide unit is connected with base by roller, guide rail or bearing, and drives the work linear motion relative to described base by straight-line power device.
8. testing stand as claimed in claim 6, it is characterised in that: described slide unit is connected with base by roller, guide rail or bearing, and drives the work linear motion relative to described base by straight-line power device.
9. testing stand as claimed in claim 1 or 2, it is characterized in that: described force-measuring module is arranged on the turntable of described testing stand, described turntable is connected with circular motion power set, and described turntable can circle around axial line under circular motion power set drive.
CN201620025761.7U 2016-01-11 2016-01-11 Automobile operation stability rack test test bench Expired - Fee Related CN205538230U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620025761.7U CN205538230U (en) 2016-01-11 2016-01-11 Automobile operation stability rack test test bench

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620025761.7U CN205538230U (en) 2016-01-11 2016-01-11 Automobile operation stability rack test test bench

Publications (1)

Publication Number Publication Date
CN205538230U true CN205538230U (en) 2016-08-31

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105606371A (en) * 2016-01-11 2016-05-25 浙江工业大学 Rack testing method for automobile control stability and testing stand thereof
CN111257018A (en) * 2020-02-28 2020-06-09 中车青岛四方车辆研究所有限公司 Device for testing lateral stability and traction force of railway and highway vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105606371A (en) * 2016-01-11 2016-05-25 浙江工业大学 Rack testing method for automobile control stability and testing stand thereof
CN111257018A (en) * 2020-02-28 2020-06-09 中车青岛四方车辆研究所有限公司 Device for testing lateral stability and traction force of railway and highway vehicle

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160831

Termination date: 20190111