CN107917774A - A kind of automobile braking force verification unit and tablet anti-force type automobile brake verifying bench - Google Patents
A kind of automobile braking force verification unit and tablet anti-force type automobile brake verifying bench Download PDFInfo
- Publication number
- CN107917774A CN107917774A CN201711431948.2A CN201711431948A CN107917774A CN 107917774 A CN107917774 A CN 107917774A CN 201711431948 A CN201711431948 A CN 201711431948A CN 107917774 A CN107917774 A CN 107917774A
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- China
- Prior art keywords
- support
- verification unit
- braking force
- wheel
- automobile
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
Abstract
The present invention relates to a kind of automobile braking force verification unit and tablet anti-force type automobile brake verifying bench, automobile braking force verification unit, including bearing support, front support wheel and rear support wheel are rotatably equipped with bearing support, wherein at least one support wheel is driving wheel, pile warp is useful for supporting the belt loop of corresponding vehicle on back and front supporting wheel, and automobile braking force verification unit further includes the braking forces measuring sensor for detecting stress on the bearing support anteroposterior direction.The present invention solves the problems, such as that tablet anti-force type automobile brake verifying bench floor space of the prior art is larger.
Description
Technical field
The present invention relates to the automobile braking force verification unit in Automobile Braking Force Detecting field and tablet anti-force type automobile system
Dynamic verifying bench.
Background technology
Now society development in, for automotive safety, environmental protection, it is energy saving be development of automobile technology three big themes, in vapour
It is during the detection of the security performance of automobile and its important before car is dispatched from the factory, automobile in the process of moving, technology status and use
Performance gradually degenerates with the increase of operating range, it may appear that braking ability declines, and economy is deteriorated, and security reliability reduces
The problem of, these problems seriously affect the performance of the security performance and economic benefit of automobile, therefore the brake force of automobile is examined
Survey is particularly important.
Existing automobile brake verifying bench has two kinds, the first is drum reaction type automobile brake verifying bench, it by
The drum apparatus of carrying, drive the rotating main motor of roller and reducing gear, braking force measuring system etc., its measuring principle is：
When vehicle is braked, the wheel being on drum apparatus can be to the power in the one despining direction of roller being rotating, the reaction
Power can reflect the size of brake force.There are problems with for drum reaction type automobile brake verifying bench：Due to automobile forum
With 2.5km/h linear velocities and two curved face contacts of two carrying rollers, automobile brake detection indicating value stepping and automobile axle load, rolling
Cylinder, which slides attachment coefficient, relation, and the air pressure, diameter of cylinder, centre of the drum also with the diameter, tire of tire are away from, main driven roller
Difference in height, and the Form and position error of roller have much relations, that is to say, that and the impacted factor of braking forces measuring indicating value is more, and with
The actual operating mode of vehicle is not inconsistent, therefore is difficult the braking ability for accurately measuring automobile.
It is for second tablet anti-force type automobile brake verifying bench, " the motor as disclosed in Chinese patent CN101476957B
The plate type braking force measuring apparatus of automobile of driving ", it includes the driving mechanism that antiskid plate and Anti-slip regulation plate move back and forth,
Braking force measuring apparatus further includes force cell.During inspection, the pressure wheel of automobile is fixed automobile on antiskid plate,
Driving mechanism Anti-slip regulation plate level moves, and after antiskid plate drives vehicle wheel rotation, wheel braking, force cell measures antiskid plate
The reaction force being subject to embodies the brake force of wheel, uses flat support, for traditional cylinder support, closer to vapour
The actual travel road conditions of car, but current flat automobile brake verifying bench there is problems：Anti-skidding tablet is facing forward
Drive vehicle wheel rotation is realized in translation, and due to needing speed when examining, this results in anti-skidding tablet and be also required to this in 5 ~ 10km/h
The speed of sample, anti-skidding tablet need very big shift motion to meet examination requirements, cause whole verifying bench and anti-skidding flat
Plate is all very big, takes up a large area and cost is higher.
The content of the invention
It is of the prior art to solve it is an object of the invention to provide a kind of tablet anti-force type automobile brake verifying bench
The problem of tablet anti-force type automobile brake verifying bench floor space is larger；The present invention also aims to provide a kind of tablet
The automobile braking force verification unit used in anti-force type automobile brake verifying bench.
In order to solve the above technical problems, the technical solution of automobile braking force verification unit is as follows in the present invention：
Automobile braking force verification unit, including bearing support, are rotatably equipped with front support wheel and rear support wheel on bearing support, its
In at least one support wheel be driving wheel, pile warp is useful for wheel friction rolling corresponding with vehicle and coordinates on back and front supporting wheel
Belt loop, automobile braking force verification unit further includes the braking for detecting stress on the bearing support anteroposterior direction
Force detection sensor.
The rear and front end of the braking forces measuring sensor is connected with oscillating bearing respectively.
The bottom of the bearing support is provided with the load-bearing detection sensing for detecting stress on the bearing support above-below direction
Device.
The left side and right side of the bearing support are both provided with least two spaced apart position-limited wheels along the longitudinal direction, limit
The axis of position wheel is vertically extending.
The dynamometry axis of the braking forces measuring sensor extends along the longitudinal direction, and the dynamometry of braking forces measuring sensor
Axis is consistent with the upper level of belt loop.
The supporter that opposite bearing support is fixed is provided with the downside of the circulation supporting part part of upside, circulation supporting part is soft
Property band, supporter is to circulate the support tablet that the support of supporting part part coordinates with upside.
The belt loop includes outer layer with body and the core band body for being fixedly arranged on the internal side of outer layer band, core band body it is hard
Degree is more than hardness of the outer layer with body.
Circulation supporting part is rigid strip, and circulation supporting part includes the rigid belt segment that more piece head and the tail are sequentially hinged and connected, support
Body is the support tablet or at least two or so spaced apart support bars that supporting part support cooperation is circulated with upside.
It is provided with rigid belt segment for rolling the rolling element coordinated with the support body supports.
The technical solution of middle plateform anti-force type automobile brake verifying bench of the present invention is：
Tablet anti-force type automobile brake verifying bench, including at least a pair of of automobile braking force verification unit, automobile brake force inspecting
Unit, including bearing support, are rotatably equipped with front support wheel and rear support wheel on bearing support, wherein at least one support wheel is
Driving wheel, pile warp is useful for the belt loop that wheel friction rolling corresponding with vehicle coordinates, automobile system on back and front supporting wheel
Power verification unit further includes the braking forces measuring sensor for detecting stress on the bearing support anteroposterior direction.
The rear and front end of the braking forces measuring sensor is connected with oscillating bearing respectively.
The bottom of the bearing support is provided with the load-bearing detection sensing for detecting stress on the bearing support above-below direction
Device.
The left side and right side of the bearing support are both provided with least two spaced apart position-limited wheels along the longitudinal direction, limit
The axis of position wheel is vertically extending.
The dynamometry axis of the braking forces measuring sensor extends along the longitudinal direction, and the dynamometry of braking forces measuring sensor
Axis is consistent with the upper level of belt loop.
The supporter that opposite bearing support is fixed is provided with the downside of the circulation supporting part part of upside, circulation supporting part is soft
Property band, supporter is to circulate the support tablet that the support of supporting part part coordinates with upside.
The belt loop includes outer layer with body and the core band body for being fixedly arranged on the internal side of outer layer band, core band body it is hard
Degree is more than hardness of the outer layer with body.
Circulation supporting part is rigid strip, and circulation supporting part includes the rigid belt segment that more piece head and the tail are sequentially hinged and connected, support
Body is the support tablet or at least two or so spaced apart support bars that supporting part support cooperation is circulated with upside.
It is provided with rigid belt segment for rolling the rolling element coordinated with the support body supports.
Beneficial effects of the present invention are：In the present invention, the driving wheel in front support wheel, rear support wheel drives belt loop
Cycle rotation, belt loop drive corresponding vehicle to reach corresponding speed by shuttling movement, during wheel braking, pass through
Braking forces measuring sensor response corresponds to the brake force of wheel, and the belt loop of shuttling movement will not take very big space,
Very long rectilinear movement distance is there will not be, therefore product size can be substantially reduced, reduces the floor space of product.
Brief description of the drawings
Fig. 1 is the usage state diagram of the embodiment 1 of middle plateform anti-force type automobile brake verifying bench of the present invention；
Fig. 2 is the cooperation schematic diagram of single automobile brake force verification unit and corresponding wheel in Fig. 1；
Fig. 3 is the top view of Fig. 2；
Fig. 4 is the structure diagram of braking forces measuring sensor in Fig. 2；
Fig. 5 is the cooperation schematic diagram of belt loop and bearing support in the embodiment of the present invention 1；
Fig. 6 is the cooperation schematic diagram of belt loop and support tablet in the embodiment of the present invention 2；
Fig. 7 is the cooperation schematic diagram of belt loop and bearing support in the embodiment of the present invention 3.
Embodiment
The embodiment 1 of tablet anti-force type automobile brake verifying bench is as shown in Fig. 1 ~ 5：Including the automobile arranged before and after two pairs
Brake force verification unit, each pair automobile braking force verification unit include two or so arrangement automobile braking force verification units 6.It is flat
There is holding tank 7, each automobile braking force verification unit 6 is respectively placed in corresponding receiving on plate anti-force type automobile brake verifying bench
In groove 7.Tablet anti-force type automobile brake verifying bench further includes the fixing device for being fixed to automobile, and fixing device includes hinge
The body cradle 5 being connected in the deep gouge 4 on front side of automobile braking force verification unit, is provided with hook 3 on body cradle 5, can be with during experiment
Automobile is fixed by way of drawstring is set between body cradle and automobile, prevents automobile from moving backward, body cradle does not make
Used time, may be reversed into deep gouge 4.
The structure all same of each automobile braking force verification unit, now only to one of automobile braking force verification unit into
Row describes in detail, and automobile braking force verification unit includes bearing support 12, front support wheel 11 is rotatably equipped with bearing support 12
With rear support wheel 9, the pivot center of back and front supporting wheel extends in left-right direction, and wherein front support wheel is and driving mechanism phase
Driving wheel even, driving mechanism is the decelerating motor 16 being connected to by rear support wheel 9 on bearing support in the present embodiment.Preceding
Pile warp is useful for the belt loop 8 coordinated with corresponding wheel friction rolling, the present embodiment on support wheel 11 and rear support wheel 9
In, belt loop is flexible-belt, and flexible-belt refers to the transmission belt that can rely on itself flexible deformable, and common flexibility carries
Rubber strip, steel band etc., belt loop include outer layer with body 81 and the core band body 82 for being compound in the internal side of outer layer band, core band
The hardness of body is more than hardness of the outer layer with body, and outer layer can ensure the frictional force between wheel with body, and inner band body can ensure
The hardness of whole belt loop, avoids belt loop shape, is equipped with bearing support and is used to support upside belt loop
Partial supporter, supporter include multiple rolling elements 17 for being used to roll cooperation with the support of the belt loop of upside, roll
Body can be bearing（Or ball）, the support of belt loop 8 of rolling element and upside, which rolls, to be coordinated, and can further ensure this
The bearing capacity of position, ensures that the belt loop of the position is not deformed.It is provided with the angle of bottom four of bearing support
For detecting the load-bearing detection sensor 10 of bearing support stress in the up-down direction, load-bearing detection sensor is vertically arranged, and is led to
The axis weight of automobile correspondence position can be detected by crossing load-bearing detection sensor, and the upper and lower side of each load-bearing detection sensor is gone here and there equipped with pass
Bearings.
The braking forces measuring that automobile braking force verification unit further includes for detecting bearing support anteroposterior direction stress senses
Device 13, each bearing support corresponds to two horizontally disposed braking forces measuring sensors 13, two brake force inspections in the present embodiment
The dynamometry axis for surveying sensor is extended along the longitudinal direction, two braking forces measuring sensors or so arranged for interval, in each system
Go here and there respectively equipped with oscillating bearing 14 rear and front end of Dynamic testing sensor.The dynamometry axis of braking forces measuring sensor and circulation
The upper level of transmission belt is consistent, that is to say, that and the tangential force of wheel is consistent with the dynamometry axis of braking forces measuring sensor,
Ensure the accuracy of force measurements.The left side and right side of bearing support be both provided with two it is spaced apart spacing along the longitudinal direction
Wheel 15, position-limited wheel is rolled with the corresponding cell wall of holding tank 7 to be coordinated, and the axis of position-limited wheel is vertically extending.
In the present embodiment, the front and back position of bearing support is braked force detection sensor limitation, the upper bottom of bearing support
Put and limited by load-bearing detection sensor, the right position of bearing support is limited wheel and the cooperation of holding tank limits, bearing support
Upper-lower position limited by load-bearing detection sensor.During inspection, each wheel of automobile is opened to corresponding belt loop respectively
Above, it is necessary to which carrying out braking forces measuring to that wheel just starts corresponding driving mechanism, such as need to examine front vehicle wheel
During survey, the forward automobile braking force verification unit work in position, the automobile braking force verification unit of position rearward does not work, circulates
Transmission belt drives front vehicle wheel to rotate, and after reaching corresponding speed, front vehicle wheel braking, the braking is detected by braking forces measuring sensor
Power, same process can carry out the braking forces measuring of rear wheel.Belt loop dummy level road surface, is completed to brake force
Detection, whole device floor space is small, and accuracy of detection is high, and the power of belt loop and bearing support belongs in system in system
Power, the change of this frictional force do not interfere with measurement accuracy.
In other embodiments of the invention：Fixing device can also be block of the block on rear side of corresponding wheel, such as
Say when testing to front vehicle wheel, block can be placed in the rear side of rear wheel, to prevent vehicle from moving backwards；Certainly it is fixed
Device may not be a part for this automobile brake verification unit scheme, and consumer can carry out consolidating for restricting vehicle movement with autogamy
Determine device；Automobile braking force verification unit can also be only a pair of.
The embodiment 2 of tablet anti-force type automobile brake verifying bench is as shown in Figure 6：Embodiment 2 is different from embodiment 1
It is that supporter is not to have rolling element composition, supporter includes being arranged at the support tablet on the downside of the belt loop part of upside
18, support tablet is slidably matched with the support of upside belt loop part, ensures the upside belt loop portion contacted with wheel
Divide indeformable.In other embodiments of the invention：Belt loop can also be rigid strip, such as crawler belt, and crawler belt is by more
The rigid belt segment that section head and the tail are sequentially hinged and connected is formed, and rigid strip refers to that the rigid belt segment of every section will not deform, its deformation is
By the hinged relationship between rigid belt segment and rigid belt segment, supporter can be support tablet or along front and rear at this time
The support bar of direction extension, can have at least two, at least two support bars or so arranged for interval, to rigid strip by support bar
Section is supported, and avoids rigid belt segment from deforming, and the use of support bar can reduce the friction between supporter and belt loop
Power, certainly in each rigid belt segment can also composite rubber layer, to increase the frictional force between rigid belt segment and wheel.
The embodiment 3 of tablet anti-force type automobile brake verifying bench is as shown in Figure 7：Embodiment 3 is different from embodiment 1
It is that rolling element 17 is arranged on belt loop 8, the rolling element on belt loop can be put down with the support on bearing support 12
Plate support, which rolls, to be coordinated.
The implementation of automobile braking force verification unit is for example shown in Fig. 1 ~ 7：The concrete structure of automobile braking force verification unit with
Automobile braking force verification unit described in above-mentioned each tablet anti-force type automobile brake verifying bench embodiment is identical, herein no longer
It is described in detail.In the other embodiments of this automobile braking force verification unit：When the belt loop ratio of automobile braking force verification unit
It is wider and when being enough to support two front vehicle wheels, two front vehicle wheels can be placed on same belt loop.
Claims (10)
1. automobile braking force verification unit, it is characterised in that：Including bearing support, front support wheel is rotatably equipped with bearing support
With rear support wheel, wherein at least one support wheel is driving wheel, and pile warp is useful for the corresponding wheel with vehicle on back and front supporting wheel
The belt loop that friction rolling coordinates, automobile braking force verification unit are further included for detecting the bearing support anteroposterior direction
The braking forces measuring sensor of upper stress.
2. automobile braking force verification unit according to claim 1, it is characterised in that：The braking forces measuring sensor
Rear and front end is connected with oscillating bearing respectively.
3. automobile braking force verification unit according to claim 1, it is characterised in that：The bottom of the bearing support is set
There is the load-bearing detection sensor for detecting stress on the bearing support above-below direction.
4. automobile braking force verification unit according to claim 1, it is characterised in that：The left side and the right side of the bearing support
Side is both provided with least two, and spaced apart position-limited wheel, the axis of position-limited wheel are vertically extending along the longitudinal direction.
5. automobile braking force verification unit according to claim 1, it is characterised in that：The braking forces measuring sensor
Dynamometry axis extends along the longitudinal direction, and the upper level one of the dynamometry axis of braking forces measuring sensor and belt loop
Cause.
6. the automobile braking force verification unit according to claim 1 ~ 5 any one, its spy is just：Upside circulation support
With the supporter for opposite bearing support is provided with the downside of part fixing, circulation supporting part is flexible-belt, supporter for and upside
Circulate the support tablet that the support of supporting part part coordinates.
7. automobile braking force verification unit according to claim 6, it is characterised in that：The belt loop includes outer layer
With body and the core band body for being fixedly arranged on the internal side of outer layer band, the hardness of core band body is more than hardness of the outer layer with body.
8. the automobile braking force verification unit according to claim 1 ~ 5 any one, it is characterised in that：Circulating supporting part is
Rigid strip, circulation supporting part include the rigid belt segment that more piece head and the tail are sequentially hinged and connected, and supporter is to circulate supporting part with upside
Support the support tablet or at least two or so spaced apart support bars coordinated.
9. automobile braking force verification unit according to claim 8, it is characterised in that：Be provided with rigid belt segment for
The support body supports roll the rolling element coordinated.
10. tablet anti-force type automobile brake verifying bench, it is characterised in that：Including at least a pair of as claim 1 ~ 9 is any one
Automobile braking force verification unit described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431948.2A CN107917774A (en) | 2017-12-26 | 2017-12-26 | A kind of automobile braking force verification unit and tablet anti-force type automobile brake verifying bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711431948.2A CN107917774A (en) | 2017-12-26 | 2017-12-26 | A kind of automobile braking force verification unit and tablet anti-force type automobile brake verifying bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107917774A true CN107917774A (en) | 2018-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711431948.2A Pending CN107917774A (en) | 2017-12-26 | 2017-12-26 | A kind of automobile braking force verification unit and tablet anti-force type automobile brake verifying bench |
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|---|---|
| CN (1) | CN107917774A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954343A (en) * | 2019-12-31 | 2020-04-03 | 巫溪县鑫鹏机动车安全技术检测有限公司 | Automobile brake detection device |
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| CN101458163A (en) * | 2008-11-13 | 2009-06-17 | 陶泽成 | Tester for bicycle brake performance |
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| CN105486520A (en) * | 2016-01-15 | 2016-04-13 | 吉林大学 | Testing and adjusting integrated device for steering wheel side force of multiple-steering-shaft automobile |
| CN205209782U (en) * | 2015-11-20 | 2016-05-04 | 河南机电职业学院 | Belt car brake test device |
| CN106644518A (en) * | 2017-01-05 | 2017-05-10 | 贵州中航交通科技有限公司 | Automotive loading brake inspection table |
| CN206274286U (en) * | 2016-09-27 | 2017-06-23 | 佛山市南华仪器股份有限公司 | A kind of Flat plate type brake check-out console |
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2017
- 2017-12-26 CN CN201711431948.2A patent/CN107917774A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101166964A (en) * | 2005-04-28 | 2008-04-23 | 国际计测器株式会社 | Traveling test apparatus for vehicle |
| CN101458163A (en) * | 2008-11-13 | 2009-06-17 | 陶泽成 | Tester for bicycle brake performance |
| CN205209782U (en) * | 2015-11-20 | 2016-05-04 | 河南机电职业学院 | Belt car brake test device |
| CN105486519A (en) * | 2016-01-15 | 2016-04-13 | 吉林大学 | Integrated testing device for inter-wheel sideslip and inter-shaft sideslip of double-steering-shaft automobile |
| CN105486520A (en) * | 2016-01-15 | 2016-04-13 | 吉林大学 | Testing and adjusting integrated device for steering wheel side force of multiple-steering-shaft automobile |
| CN206274286U (en) * | 2016-09-27 | 2017-06-23 | 佛山市南华仪器股份有限公司 | A kind of Flat plate type brake check-out console |
| CN106644518A (en) * | 2017-01-05 | 2017-05-10 | 贵州中航交通科技有限公司 | Automotive loading brake inspection table |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110954343A (en) * | 2019-12-31 | 2020-04-03 | 巫溪县鑫鹏机动车安全技术检测有限公司 | Automobile brake detection device |
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