CN206161222U - Rack internal resistance measuring device based on counter -force type cylinder brake test bench - Google Patents
Rack internal resistance measuring device based on counter -force type cylinder brake test bench Download PDFInfo
- Publication number
- CN206161222U CN206161222U CN201621089286.6U CN201621089286U CN206161222U CN 206161222 U CN206161222 U CN 206161222U CN 201621089286 U CN201621089286 U CN 201621089286U CN 206161222 U CN206161222 U CN 206161222U
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- force
- internal resistance
- measuring device
- leading screw
- stand
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Abstract
The utility model relates to a rack internal resistance measuring device based on counter -force type cylinder brake test bench. The device mainly comprises the application of force and force measuring device (A), fixing device (B), counter -force type cylinder brake test bench (C), tire suspension device (D). Load through adjusting the application of force and measuring force device (A), is exerted to tire suspension device (D) in can being applied to the rack demarcation to this measuring device and method to the wheel load of simulation automobile real -time monitoring in -process, and obtain the interior resistance of rack under the different wheel loads, set up the rack internal resistance and concern with the related of axle load. To different motorcycle types, confirm to carry out error compensation to brake force by corresponding rack internal resistance fx according to different axle load, improve detection accuracy. But the device wide application in automobile inspection, experiment and research institute.
Description
Technical field
The utility model is related to a kind of automobile detection apparatus, more particularly to a kind of to be based on anti-force type drum braking check-out console
Stand internal resistance measurement device.
Background technology
Automobile brake perfrmance direct relation the driving safety of automobile, is one of vehicle safety performance essential items for inspection, commonly uses
Brake tester is braked the detection of performance, and at present, brake inspection equipment used by domestic vehicles performance detection station mostly is counter-force
Formula Roller brake tester.Its test philosophy is：Tested wheel is placed between driving and driven cylinder, depresses the 3rd cylinder, makes to be close to
Switch conduction.By delay circuit start motor, Jing decelerators, Chain conveyer and driving and driven cylinder band motor car wheel low speed rotation,
Driver's brake pedal after vehicle wheel rotational speed is stable.The moment of friction Jing tire of wheel drag passes to cylinder and is changed into wheel
Active force of the tire to cylinder.At the same time cylinder has reaction force to the tangential direction of the periphery of tire, to overcome brake to rub
Torque is wiped, maintains wheel to continue to rotate.Due to the presence of active force, reducer shell rotates phase together with dynamometry lever towards cylinder
Opposite direction swings, and the power or displacement Jing sensors of dynamometry lever is converted into the electric signal being in proportion with brake force, by calculating
After machine collection, process, the brake force detected by instruction device or printer output.
At present, during automobile in counter-force is detected on roller test stand, motor can drive cylinder group with
And other rotary parts of testing stand are moved together, in motion process, the friction between each rotary part can have energy
The loss of amount, including the friction produced between the friction loss of generation and testing stand internal drive system between tire and cylinder
Loss.Wherein, the friction loss that testing stand inside produces is the internal resistance of stand.The automobile brake detected in detection process
Power also includes this part of resistance, causes testing result to there is error.Therefore, put in anti-force rolling brake testing platform
Should determine before use its internal drag go forward side by side rower determine, make testing result more accurate.Typically now using coastdown come
Determine the internal resistance of stand, and the value of the stand internal resistance obtained using kinetic energy conservation law in coastdown is typically a definite value, by
The speed of service when internal resistance of stand is with the axle load of automobile and automotive check is relevant, therefore, there is larger mistake in coastdown
Difference.
Utility model content
The purpose of this utility model is to solve the automobile of difference axle load at present in anti-force rolling brake testing platform
The inaccurate inaccurate problem of brake force result for causing of stand internal resistance in detection process.There is provided a kind of based on anti-force type cylinder system
The device of the stand internal resistance measurement of dynamic test platform.By the value of the stand internal resistance under the different axle loads of measurement, determine that anti-force type is rolled
Incidence relation between the stand internal resistance of cylinder brake tester and automobile axle load, to brake force result error compensation is carried out, and is made
Testing result is more accurate.
To solve above-mentioned technical problem, the utility model adopts the following technical scheme that realization：
A kind of stand internal resistance measurement device based on anti-force type drum braking check-out console, mainly by force and force measuring device
A, fixing device B, anti-force type drum braking check-out console C and tire draft hitch D composition, described tire draft hitch D passes through
Hinge is linked with force and force measuring device A, and force and force measuring device A are bolted and are fixed in fixing device B, institute
Fixing device B stated is bolted and is fixed on the stand of anti-force type drum braking check-out console C；The force and power measurement
In device A, force handle 1 passes through bonded with leading screw 2, and leading screw 2 is coordinated with matrix 3 using screw thread, and leading screw 2 and connector I 5 are logical
Crossing slide block 4 carries out the transmission of power, and slide block 4 is connected by guide pad 7 with matrix 3, and is indulged on matrix 3 along guide pad 7
To movement, force snesor 6 is connected by connector I 5 with slide block 4.
In described fixing device B, connecting plate 14 and force and the matrix 3 in force measuring device A are bolted, silk
Thick stick 15 is identical with the structure of leading screw 17 and is attached by adapter sleeve 16, and leading screw 17 is connected through the hinge with base plate 20, base plate 20
Be bolted in the frame of anti-force type drum braking check-out console C.
Compared with prior art the beneficial effects of the utility model are：
1st, adopt at present before anti-force rolling brake testing platform detection braking power and the internal resistance of stand is demarcated, gained
To calibration value be a definite value, and in the detection process of reality, stand internal resistance can produce change, this reality because of the different of axle load
The stand internal resistance under different axle loads can be measured with the measurement apparatus of the stand internal resistance of new foundation, can be to brake force result
Carry out error compensation.
2nd, the stand internal resistance measurement apparatus structure based on anti-force rolling brake testing platform described in the utility model is simple,
It is easy to operate, take up space little, low cost, accuracy of detection is high, and by adjusting force application apparatus different axles can be accurately simulated
The size of load, it is not necessary to demarcated using real vehicle, only needs to can determine that different axles using the device in calibration process
The value of stand internal resistance of the automobile of load in detection process.
Description of the drawings
The utility model is further described below in conjunction with the accompanying drawings：
Fig. 1 is that the axle of the stand internal resistance measurement device based on anti-force rolling brake testing platform described in the utility model is surveyed
Perspective view；
Fig. 2 a are in the stand internal resistance measurement device based on anti-force rolling brake testing platform described in the utility model
The axonometric projection graph of force and force measuring device；
Fig. 2 b are the partial enlarged drawings of Fig. 2 a；
Fig. 3 is consolidating in the stand internal resistance measurement device based on anti-force rolling brake testing platform described in the utility model
Determine device axonometric projection graph；
Fig. 4 is anti-in the stand internal resistance measurement device based on anti-force rolling brake testing platform described in the utility model
Power formula drum braking check-out console simplified model schematic diagram；
Fig. 5 a are in the stand internal resistance measurement device based on anti-force rolling brake testing platform described in the utility model
Tire draft hitch axonometric projection graph；
Fig. 5 b are the partial enlarged drawings of Fig. 5 a；
Fig. 6 is the number in the stand internal resistance measurement device based on anti-force rolling brake testing platform described in the utility model
According to acquisition system schematic diagram.
In figure：A. exert a force and force measuring device, B. fixing devices, C. anti-force type drum braking check-out console simplified models, D.
Tire draft hitch, 1. exert a force handle, 2. leading screw I, 3. matrix, 4. slide block, 5. connector I, 6. force snesor, 7. guide pad,
8. connector II, 9. bracing frame, 10. hinge, 11. times connectors, 12. upper connectors, 13. connecting pins, 14. connecting plates, 15.
Thick stick II, 16. adapter sleeves, 17. leading screws III, 18. fastening bolts, 19. bolts hole, 20. base plates, 21. frames, 22. chains, 23. from
Dynamic cylinder, 24. the 3rd cylinders, 25. driving cylinders, 26. piston rods, 27. damping springs, 28. support seat rings, 29. dampers,
30. lower swing arms, 31. fastening bolts, 32. ball cups, 33. universal knuckles, 34. brake discs, 35. tires, 36. calipers, 37.
Ball cup, 38. ball cups, 39. top links, 40. clamp nuts, 41. fastening bolts I, 42. fastening bolts II, 43. fastening spiral shells
Cap, 44. ball studs, 45. analog signalses amplify terminal plate, 46. analog acquisition cards, 47. industrial computers.
Specific embodiment
The utility model is explained in detail below in conjunction with the accompanying drawings：
The utility model provides a kind of device of the stand internal resistance measurement based on anti-force type drum braking check-out console, can
Improve the accuracy of vehicle braking performances detection.Research vehicle braking performances have very high social value and extensive society's meaning
Justice, the safe operation, riding comfort and stability to vehicle has good facilitation, while there is society's effect well
Benefit and economic benefit.
Refering to Fig. 1, the device of the stand internal resistance measurement based on anti-force type drum braking check-out console described in the utility model
Including：Force and force measuring device A, fixing device B, anti-force type drum braking check-out console C, tire draft hitch D.Wherein tire
Draft hitch D is linked by hinge with force and force measuring device A, and force and force measuring device A are bolted and are fixed on
In fixing device B, fixing device B is bolted and is fixed on anti-force type drum braking check-out console C.
Refering to Fig. 2, the device of the stand internal resistance measurement based on anti-force type drum braking check-out console described in the utility model
In force and force measuring device A include：Force handle 1, leading screw 2, matrix 3, slide block 4, connector 5, force snesor 6 is oriented to
Block 7, connector 8, bracing frame 9, hinge 10, lower connector 11, upper connector 12, connecting pin 13.Force handle 1 leads to leading screw 2
Cross bonded, leading screw 2 is coordinated with matrix 3 using screw thread.Connector 5 is identical with the structure of connector 8, and force snesor 6 is by connecting
Fitting 5 is connected with slide block 4, and wherein the specification of force snesor 6 is S type pull pressure sensor, and the size of each applying power can lead to
The measuring instrumentss for crossing S type standard pull pressure sensor are directly measured.Leading screw 2 and connector 5 carry out the transmission of power by slide block 4,
Slide block is connected by guide pad 7 with matrix, and slide block is longitudinally moved along guide pad on matrix.Rotation urging handle 1, band
Dynamic leading screw 2 is moved, and makes slide block 4 produce displacement, and by connector 5 force snesor 6 is transferred force to, and can measure force size.
Refering to Fig. 3, the device of the stand internal resistance measurement based on anti-force type drum braking check-out console described in the utility model
In fixing device B include：Connecting plate 14, leading screw 15, adapter sleeve 16, leading screw 17, fastening bolt 18, bolt hole 19, base plate 20.
Connecting plate 14 and force and the matrix 3 in force measuring device A are bolted, and leading screw 15 is identical with the structure of leading screw 17 by even
Female connector 16 is attached.Can shorten or increase the distance of screw mandrel 15 and leading screw 17 by the set 16 that is rotatably connected, such that it is able to change
Become the angle of force and power measurement.Leading screw 15 is connected through the hinge with connecting plate 14, base plate 20 be bolted on counter-force
In the frame of formula drum braking check-out console C.The Main Function of fixing device B is to play reinforcing suspension tire model D and anti-force type
The purpose of drum braking check-out console C, prevents the deviation for occurring in terms of mechanical engagement in calibration process.
Refering to Fig. 4, the device of the stand internal resistance measurement based on anti-force type drum braking check-out console described in the utility model
In anti-force type drum braking check-out console C be Chengdu Chengbao Dev Co., Ltd. production anti-force type drum braking inspection
Platform, model FZ-10C.The utility model employs anti-force type drum braking check-out console simplified model mainly to be included：Frame 21,
Sprocket wheel 22, follower rollers 23, the 3rd cylinder 24 drives cylinder 25.Follower rollers 23 and driving cylinder 25 are fixed on by bearing
In frame, and it is attached by sprocket wheel 22.
Refering to Fig. 5, the device of the stand internal resistance measurement based on anti-force type drum braking check-out console described in the utility model
In tire draft hitch D include：Piston rod 26, damping spring 27 supports seat ring 28, damper 29, lower swing arm 30 to fasten spiral shell
Bolt 31, ball cup 32, universal knuckle 33, brake disc 34, tire 35, caliper 36, ball cup 37, ball cup 38, top link
39, clamp nut 40, clamp nut 41, fastening bolt 42, fastening bolt 43, ball stud 44.
Wherein piston rod 26, damping spring 27, support seat ring 28 and damper 29 constitute shock mitigation system, piston rod 26
Top is height 40mm, wall thickness 5mm, the cylinder of inside diameter 30mm, the cylinder and force and the connector in force measuring device A
8 coaxial cooperations, when the pressure is exerted, pressure is acted on lower swing arm 30 by piston rod 26, the true wheel of true simulated automotive
Weight.In the inner and force and force measuring device A of damper 29 and the chain connection of lower swing arm 30, lower swing arm 30 and top link 39
The chain connection of matrix 3, the outer end of the two is then connected by ball stud 44 respectively with universal knuckle 33.Lower swing arm 30 and ball cup
32 are fixedly connected by fastening bolt I 41 and fastening bolt II 42, and ball cup 32 passes through ball stud with universal knuckle 33
44 are attached, and the connected mode of top link 39 is identical with the connected mode of lower swing arm 30.
Refering to Fig. 6, in the stand internal resistance measurement device based on anti-force rolling brake testing platform described in the utility model
Data collecting system schematic diagram include：Analog signalses amplify terminal plate 45, analog acquisition card 46, industrial computer 47.Wherein
The analog signalses of stand or so internal resistance first pass through amplification terminal plate 45 and are amplified process, then by analog acquisition card 46
The signal after processing is collected, the internal resistance value of corresponding stand is finally obtained in industrial computer 46.
The operation principle of the utility model experimental provision：
For coaxially not heavy automobile, corresponding axle load is applied by adjusting force and device for measuring force A, then by even
Connection device transmit the force to tire draft hitch D come simulated automotive it is actually detected during axle weight.Wherein can in fixing device B
By adjusting the adapter sleeve between two leading screws come the length of adjusting screw, by the angle of adjusting screw fill tire suspension
Put the cylinder group perpendicular contact of the tire in D and anti-force type drum braking check-out console C.
It is based on the stand internal resistance measurement method of anti-force rolling brake testing platform：
Needed to demarcate the internal drag of testing stand before anti-force rolling brake testing platform comes into operation, gained
To calibration value be a definite value, and in the detection process of reality, stand internal resistance can produce change, this reality because of the different of axle load
The stand internal resistance that can be demarcated under different axle loads with the measurement apparatus of the stand internal resistance of new foundation, is carried out to brake force result
Error compensation, makes the value of brake force for detecting more accurate.
Stand internal resistance measurement method of the present utility model includes following concrete steps：
(1) force and device for measuring force A, fixing device B, the inspection of anti-force type drum braking are adjusted by described in the utility model
Platform C and tire draft hitch D are fixed and assemble according to the annexation described in Fig. 1, it is ensured that surface of tyre and brake inspection
The cylinder group surface perpendicular contact of platform, force snesor 6 is returned to zero, and adjusts force and the force handle 1 in device for measuring force A,
The stress for making force snesor 6 is zero；
(2) rotation urging handle 1, reads the registration of force snesor 6, is stepped up with the axle load of unit quantity, drives electricity
Machine starts, and drives cylinder group and tyre rotation, and by data collecting system the value of drag, the as platform under the axle load are obtained
The value of frame internal resistance is designated as Fx。
Resulting data are fitted by collection stand internal resistance and the data of axle load using least square method, it is determined that
Incidence relation between stand internal resistance and vehicle axle load.The vehicle of different axle loads can be obtained in inspection by the incidence relation
The internal resistance value F of stand during surveyx, remember that the braking force value for measuring in detection process is F, then F-FxTo remove stand internal resistance
Actual brake force, can carry out error compensation to brake force result, make testing result more accurate.
Claims (2)
1. a kind of stand internal resistance measurement device based on anti-force type drum braking check-out console, mainly by force and force measuring device
(A), fixing device (B), anti-force type drum braking check-out console (C) and tire draft hitch (D) composition, it is characterised in that：
Described tire draft hitch (D) is linked by hinge with force and force measuring device (A), is exerted a force and force measuring device
(A) it is bolted and is fixed in fixing device (B), described fixing device (B) is bolted and is fixed on anti-force type
On the stand of drum braking check-out console (C)；In the force and force measuring device (A), exert a force handle (1) and the first leading screw (2)
By bonded, the first leading screw (2) is coordinated with matrix (3) using screw thread, and the first leading screw (2) and connector I (5) are by slide block
(4) transmission of power is carried out, slide block (4) is connected by guide pad (7) with matrix (3), and along guide pad (7) on matrix (3)
Vertically moved, force snesor (6) is connected by connector I (5) with slide block (4).
2. the stand internal resistance measurement device based on anti-force type drum braking check-out console according to claim 1, its feature exists
In：
In described fixing device (B), connecting plate (14) and force and the matrix (3) in force measuring device (A) are connected by bolt
Connect, the second leading screw (15) is identical with the 3rd leading screw (17) structure and is attached by adapter sleeve (16), the 3rd leading screw (17) with
Base plate (20) is connected through the hinge, base plate (20) be bolted in the frame of anti-force type drum braking check-out console (C).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089286.6U CN206161222U (en) | 2016-09-29 | 2016-09-29 | Rack internal resistance measuring device based on counter -force type cylinder brake test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621089286.6U CN206161222U (en) | 2016-09-29 | 2016-09-29 | Rack internal resistance measuring device based on counter -force type cylinder brake test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206161222U true CN206161222U (en) | 2017-05-10 |
Family
ID=58652341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621089286.6U Expired - Fee Related CN206161222U (en) | 2016-09-29 | 2016-09-29 | Rack internal resistance measuring device based on counter -force type cylinder brake test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206161222U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404264A (en) * | 2016-09-29 | 2017-02-15 | 吉林大学 | Measuring device and method for the internal resistance of stand based on counterforce roller cylinder brake test console |
| CN107870093A (en) * | 2017-12-22 | 2018-04-03 | 合肥工业大学 | 1/4 vehicle braking simulation and performance test test system and method |
| CN108426671A (en) * | 2018-03-21 | 2018-08-21 | 郑州东辰科技有限公司 | A kind of brake inspection platform calibrating installation |
-
2016
- 2016-09-29 CN CN201621089286.6U patent/CN206161222U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404264A (en) * | 2016-09-29 | 2017-02-15 | 吉林大学 | Measuring device and method for the internal resistance of stand based on counterforce roller cylinder brake test console |
| CN107870093A (en) * | 2017-12-22 | 2018-04-03 | 合肥工业大学 | 1/4 vehicle braking simulation and performance test test system and method |
| CN107870093B (en) * | 2017-12-22 | 2020-01-17 | 合肥工业大学 | 1/4 vehicle brake simulation and performance experiment test system and method |
| CN108426671A (en) * | 2018-03-21 | 2018-08-21 | 郑州东辰科技有限公司 | A kind of brake inspection platform calibrating installation |
| CN108426671B (en) * | 2018-03-21 | 2024-05-17 | 郑州东辰科技有限公司 | Calibrating device for brake inspection platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170510 Termination date: 20190929 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |