CN208547484U - The adjustable anti-force type automobile brake testing bench of a kind of wheelbase - Google Patents
The adjustable anti-force type automobile brake testing bench of a kind of wheelbase Download PDFInfo
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- CN208547484U CN208547484U CN201821293774.8U CN201821293774U CN208547484U CN 208547484 U CN208547484 U CN 208547484U CN 201821293774 U CN201821293774 U CN 201821293774U CN 208547484 U CN208547484 U CN 208547484U
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- wheelbase
- cylinder
- adjustable anti
- auxiliary
- automobile brake
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Abstract
The adjustable anti-force type Vehicles Brake Test Bench of a kind of wheelbase is disclosed in the utility model, including rack, cylinder mechanism, driving mechanism, braking force measuring apparatus, hydraulic lifting mechanism and instruction control device, directive slide track is provided in the rack, the cylinder mechanism includes: 2 master rotors, 2 auxiliary cylinders and 2 third rollers, 2 master rotors are symmetrically fixedly supported in rack by master rotor bearing block, 2 auxiliary cylinders are symmetrically fixedly supported on directive slide track by auxiliary cylinder bearing block, the third roller is symmetricly set between master rotor and auxiliary cylinder.The utility model can automatically detect wheel diameter, adjust drum wheelbase, effectively raise detection accuracy to lifting load braking performance test method, adjustment wheelbase formula load braking performance test method and tension and compression tension type load braking performance test method setting lifting device, wheelbase regulating device and dynamometry device using actual vehicle.
Description
Technical field
The utility model relates to automotive hub detection field, the in particular to adjustable anti-force type automobile brakes of a kind of wheelbase
Monitor station.
Background technique
With increasing for automobile quantity, running brake safe has become a great society and castrates topic.According to investigations
Occur when it was found that most of road traffic accident and automobile brake are apart from too long, automobile brake failure or automobile emergency brake
Situations such as sideslip, is related, it is seen that automobile brake perfrmance directly affects the traffic safety of automobile, therefore automobile factory, maintenance factory with
And autoist all pays much attention to the quality of automobile brake perfrmance.Components in automobile use process, in braking system
Inevitably there is phenomena such as abrasion, deformation and aging, automobile brake perfrmance is caused to fail, stopping power decline makes to brake
System can not play corresponding braking action.Therefore, in order to guarantee the safety traffic of motor vehicle, automobile is understood and grasped in time
Braking ability situation, by national regulation periodically the braking ability of automobile detect it is very necessary.Currently, automobile brake perfrmance
Unloaded braking ability is only tested in detection, and considers conevying efficiency and operation cost, and lorry is transported often in fully loaded even overload
Row, therefore, the load detection of braking system performance are to guarantee one of the key factor of the fully loaded safe operation of vehicle.Brake test bench inspection
Test automobile brake perfrmance have many advantages, such as detect speed it is fast, it is reproducible, convenient for automatically control detection process, by automotive check
Line generallys use.The braking performance test equipment overwhelming majority of vehicle testing line uses drum reaction type brake inspection both at home and abroad at present
Platform, the drum reaction brake test bench applied at present are generally existing to ask as follows since the distance between two cylinder axis are fixed
Topic: when diameter of tyres is more than certain value or vehicle wheel load deficiency, slipping phenomenon between wheel and roller, detection essence are easy to produce
Degree is difficult to ensure: front wheel brake power testing result is usually less than front wheel brake power size；When cargo vehicle zero load detects, rear-wheel system
Dynamic testing result is often also less than normal.The adjustable anti-force type automobile brake testing bench of a kind of wheelbase is developed hereby.
Utility model content
Utility model aims to solve the problems in above-mentioned technology, provide a kind of adjustable counter-force of wheelbase
Formula automobile brake testing bench, the platform can automatically detect wheel diameter, adjust drum wheelbase, be added using actual vehicle to lifting
Carry braking performance test method, adjustment wheelbase formula load braking performance test method and the load braking performance test method setting lifting of tension and compression tension type
Device, wheelbase regulating device and dynamometry device effectively raise detection accuracy.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:
The adjustable anti-force type Vehicles Brake Test Bench of a kind of wheelbase, including rack, cylinder mechanism, driving mechanism, braking
Force measuring device, hydraulic lifting mechanism and instruction control device, are provided with directive slide track, the cylinder mechanism in the rack
It include: 2 master rotors, 2 auxiliary cylinders and 2 third rollers, 2 master rotors are symmetrically fixed by master rotor bearing block
On the rack, 2 auxiliary cylinders are symmetrically fixedly supported on directive slide track by auxiliary cylinder bearing block for support, the third rolling
Cylinder is symmetricly set between master rotor and auxiliary cylinder.
Further, rotary angle transmitter is installed on the third roller as a preferred technical solution, and revolving speed passes
Sensor.
Further, the driving mechanism includes: device of rotation driving and horizontal drive as a preferred technical solution,
Device.
Further, the device of rotation driving includes motor, retarder and chain conveyer as a preferred technical solution,
Mechanism, the motor are connect by retarder with master rotor, and the master rotor drives auxiliary cylinder to rotate by chain-drive mechanism,
The reducer shell is floating support, is connected to motor and dynamometry lever.
Further, as a preferred technical solution, the horizontal drive apparatus include: hydraulic station, fluid pressure line and
Hydraulic cylinder composition, the fluid pressure line are separately connected hydraulic station and hydraulic cylinder, and the hydraulic cylinder connects auxiliary cylinder by push rod.
Further, the braking force measuring apparatus includes: dynamometry lever and power sensing as a preferred technical solution,
Device, dynamometry lever both ends are separately connected reducer shell and force snesor.
Further, the hydraulic lifting mechanism includes: lifting jack and lifting plate as a preferred technical solution,
Setting lifting plate on the lifting jack.
Possessed by the utility model the utility model has the advantages that
The utility model can automatically detect wheel diameter, adjust drum wheelbase, using actual vehicle to lifting load system
Dynamic detection method, adjustment wheelbase formula load braking performance test method and tension and compression tension type load braking performance test method setting lifting dress
It sets, wheelbase regulating device and dynamometry device effectively raise detection accuracy.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
In figure: 1, rack；2, left speed reducer；3, left master rotor bearing；4, left master rotor；5, left braking third roller；6,
Hydraulic lifting mechanism；7, chain conveyer and tensioning apparatus；8, right master rotor left bearing；9, right master rotor；10, right braking third rolling
Cylinder；11, right hydraulic pressure lifting device；12, right master rotor right bearing；13, right speed reducer；14, right braking force measuring apparatus；15, right
Driving motor；16, right auxiliary cylinder bearing；17, third drum rotation speed sensor；18, right auxiliary cylinder；19, wheelbase sensor；20,
Drum wheelbase regulating device；21, tire gear wheel；22, left driving motor；23, left braking force measuring apparatus.
Specific embodiment
The utility model is further described in the following with reference to the drawings and specific embodiments.
Embodiment 1
The adjustable anti-force type Vehicles Brake Test Bench of a kind of wheelbase, including rack 1, cylinder mechanism, driving mechanism, braking
Force measuring device 14, hydraulic lifting mechanism 6 and instruction control device, are provided with directive slide track, the roller in the rack 1
Mechanism includes: 2 master rotors, 4,2 auxiliary cylinders and 2 third rollers 5, and 2 master rotors 4 pass through 3,4 bearing of master rotor
Symmetrically it is fixedly supported in rack 1,2 auxiliary cylinders are symmetrically fixedly supported on directive slide track by auxiliary cylinder bearing block,
The third roller 5 is symmetricly set between master rotor 4 and auxiliary cylinder.Driving mechanism includes: device of rotation driving and horizontal drive
Dynamic device.The device of rotation driving includes motor, retarder and chain-drive mechanism, and the motor passes through retarder and master
Roller 4 connects, and the master rotor 4 drives auxiliary cylinder to rotate by chain-drive mechanism, and the reducer shell is floating support, even
Then motor and dynamometry lever, the horizontal drive apparatus includes: that hydraulic station, fluid pressure line and hydraulic cylinder form, described
Fluid pressure line is separately connected hydraulic station and hydraulic cylinder, and the hydraulic cylinder connects auxiliary cylinder by push rod.Braking force measuring apparatus 14
It include: dynamometry lever and force snesor, dynamometry lever both ends are separately connected reducer shell and force snesor.Hydraulic lifting
Mechanism 6 includes: lifting jack and lifting plate, setting lifting plate on the lifting jack.
At work, master rotor 4 and auxiliary cylinder are used to the road surface of simulation game to cylinder mechanism, while can also play carrying
The effect of wheel.Wheel supporting is detected when vehicle detection on master rotor 4 and auxiliary cylinder, roller is born and transfer cylinder and tire
Between brake force.Wheelbase can change between check-out console roller, and auxiliary cylinder is supported on the guide rail of rack 1, pass through liquid
Pressure system can adjust the position of auxiliary cylinder at any time, make centre of the drum away from changing between 471mm~771mm.Between tire and roller
Attachment coefficient have a larger impact to the braking performance test ability of check-out console, cylinder surface attachment coefficient is not less than 0.7, brake inspection
Platform uses scab formula roller, and attachment coefficient is up to 0.85~0.9.Novel brake check-out console is arranged one between major-minor roller and both may be used
The third roller 5 that rotation can be swung up and down again usually keeps it in extreme higher position by spring, is equipped with and turns on third roller 5
Angle transducer and speed probe.Third roller 5 or a safety guard, only when two wheel braking test cells
Third roller 5 simultaneously when being depressed, the driving motor 15 of Novel brake check-out console just can turn on work.
Driving mechanism is responsible for roller rotation, and motor is connect by retarder with master rotor 4；Motor passes through when power transmits
Retarder drives master rotor 4, and master rotor 4 drives auxiliary cylinder to rotate by chain-drive mechanism, and reducer shell is floating support, even
Then motor and dynamometry lever allow them around 4 axis oscillating of master rotor.Preferably, the drive that responsible roller moves horizontally
Dynamic device is to realize control by hydraulic device, is mainly made of hydraulic station, fluid pressure line and hydraulic cylinder.Need to adjust two rollers
Between center away from when, control system sends instructions to hydraulic station, the hydraulic cylinder works that connect with auxiliary cylinder are controlled by fluid pressure line,
The horizontal force formed on hydraulic cylinder pushes auxiliary cylinder to move up in the guide rail of rack 1 by the push rod being connected on hydraulic cylinder
Dynamic, the displacement of adjusting is measured by wheelbase sensor 19 and is fed back.
Braking force measuring apparatus 14 is mainly made of dynamometry lever and force snesor.Dynamometry lever both ends are separately connected deceleration
Device shell and force snesor, dynamometry lever is together with reducer shell around 4 axis oscillating of master rotor when wheel braking detects；Power passes
Dynamometry lever transmission, proportional to brake force power is transformed into voltage signal and is transported to instruction and control device by sensor.
Lifting device is arranged in the master rotor 4 on check-out console and between auxiliary cylinder, enters and leaves convenient for automobile.The device is by lifting
Device, the lifting composition such as plate and control switch.Novel brake check-out console is lifted using fluid pressure type, controls lifting plate by hydraulic cylinder
Realize lifting movement.
Instruction control system guarantees that braking performance test process is gone on smoothly.After information of vehicles logs in, vehicle reaches check-out console,
Control system is computed the tested wheel diameter size of acquisition by the angular displacement sensor signal on acquisition third roller 5；According to
Best centre of the drum is calculated away from adjusting with the actual drum center that wheelbase sensor 19 is fed back away from compared in best angle of setting
Whole centre of the drum away from arrive optimum value；Force snesor shows the brake force measured over the display；Revolving speed on third roller 5 passes
Sensor real-time monitoring vehicle wheel speed, 4 speed probe of master rotor monitor drum speed；During braking performance test control system according to
Its speed difference calculates slip rate, and driving motor 15 is controlled when slip rate reaches setting value and is stopped operating, according to real time data meter
Calculate vehicle braking rate and brake imbalance rate parameter.The information for examining bench control system to acquire by receiving and handling sensor,
Feedback control is carried out to brake platform, while various orders and test data being showed in instruction device, so that braking performance test mistake
Cheng Shunli is realized.
The description and the appended drawings of the utility model be considered as it is illustrative and not restrictive, the utility model basis
On, for those skilled in the art according to disclosed technology contents, not needing creative labor can be to some of technology
Feature makes some replacements and deformation, within the protection scope of the present utility model.
Claims (7)
1. the adjustable anti-force type Vehicles Brake Test Bench of a kind of wheelbase, including rack (1), cylinder mechanism, driving mechanism, braking
Force measuring device (14), hydraulic lifting mechanism (6) and instruction control device, which is characterized in that guiding is provided in the rack
Sliding rail, the cylinder mechanism include: 2 master rotors (4), 2 auxiliary cylinders (18) and 2 third rollers (5), 2 masters
Roller (4) is symmetrically fixedly supported on rack (1) by master rotor bearing (9), and 2 auxiliary cylinders (18) pass through auxiliary roller axis
It holds (16) to be symmetrically fixedly supported on directive slide track, the third roller (5) is symmetricly set on master rotor (4) and auxiliary cylinder (18)
Between.
2. the adjustable anti-force type automobile brake testing bench of a kind of wheelbase according to claim 1, which is characterized in that described
Third roller (5) on rotary angle transmitter and speed probe (17) are installed.
3. the adjustable anti-force type automobile brake testing bench of a kind of wheelbase according to claim 1, which is characterized in that described
Driving mechanism include: device of rotation driving and horizontal drive apparatus.
4. the adjustable anti-force type automobile brake testing bench of a kind of wheelbase according to claim 3, which is characterized in that described
Device of rotation driving includes motor (15), retarder (2) and chain-drive mechanism, and the motor (15) passes through retarder (2)
It is connect with master rotor (4), the master rotor (4) drives auxiliary cylinder (18) to rotate by chain-drive mechanism, retarder (2) shell
Body is floating support, is connected to motor (15) and dynamometry lever.
5. the adjustable anti-force type automobile brake testing bench of a kind of wheelbase according to claim 3, which is characterized in that described
Horizontal drive apparatus include: hydraulic station, fluid pressure line and hydraulic cylinder composition, the fluid pressure line is separately connected hydraulic station and liquid
Cylinder pressure, the hydraulic cylinder connect auxiliary cylinder by push rod.
6. the adjustable anti-force type automobile brake testing bench of a kind of wheelbase according to claim 1, which is characterized in that described
Braking force measuring apparatus (14) include: dynamometry lever and force snesor, dynamometry lever both ends are separately connected retarder (2)
Shell and force snesor.
7. the adjustable anti-force type automobile brake testing bench of a kind of wheelbase according to claim 1, which is characterized in that described
Hydraulic lifting mechanism (6) include: lifting jack and lifting plate, setting lifting plate on the lifting jack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293774.8U CN208547484U (en) | 2018-08-10 | 2018-08-10 | The adjustable anti-force type automobile brake testing bench of a kind of wheelbase |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821293774.8U CN208547484U (en) | 2018-08-10 | 2018-08-10 | The adjustable anti-force type automobile brake testing bench of a kind of wheelbase |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208547484U true CN208547484U (en) | 2019-02-26 |
Family
ID=65426187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821293774.8U Expired - Fee Related CN208547484U (en) | 2018-08-10 | 2018-08-10 | The adjustable anti-force type automobile brake testing bench of a kind of wheelbase |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208547484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097993A (en) * | 2020-09-30 | 2020-12-18 | 山东交通学院 | Automobile inertia simulation test bed with adjustable roller center distance |
-
2018
- 2018-08-10 CN CN201821293774.8U patent/CN208547484U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112097993A (en) * | 2020-09-30 | 2020-12-18 | 山东交通学院 | Automobile inertia simulation test bed with adjustable roller center distance |
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| GR01 | Patent grant | ||
| 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: 20190226 Termination date: 20190810 |