CN106404264A - Measuring device and method for the internal resistance of stand based on counterforce roller cylinder brake test console - Google Patents
Measuring device and method for the internal resistance of stand based on counterforce roller cylinder brake test console Download PDFInfo
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- CN106404264A CN106404264A CN201610860543.XA CN201610860543A CN106404264A CN 106404264 A CN106404264 A CN 106404264A CN 201610860543 A CN201610860543 A CN 201610860543A CN 106404264 A CN106404264 A CN 106404264A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000012360 testing method Methods 0.000 title abstract description 31
- 238000005259 measurement Methods 0.000 claims description 25
- 239000011159 matrix material Substances 0.000 claims description 15
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- 235000006508 Nelumbo nucifera Nutrition 0.000 claims 1
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- 238000001514 detection method Methods 0.000 abstract description 13
- 239000000725 suspension Substances 0.000 abstract description 5
- 238000011160 research Methods 0.000 abstract description 2
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- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
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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
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Abstract
The invention relates to a measuring device and method for the internal resistance of stand based on counterforce roller cylinder brake test console. The device consists mainly of a force exerting and force measuring device (A), a fixing device (B), a counterforce roller cylinder brake test console (C), and a tyre suspension device (D). The measuring device and the method can be applied in stand calibration. Through the adjustment of the force exerting and force measuring device (A), loads can be exerted on the tyre suspension device (D) so as to simulate the actual loads of a vehicle wheel, to obtain the internal resistance value of the stand under different loads of wheel and to establish a correlative relationship between the internal resistance value of the stand and the load of the shaft. For different vehicle models, based on the different loads of the shaft, it is possible to determine the internal resistance value Fx corresponding to the loads of the shaft so as to perform error compensation of braking force and to raise the detection accuracy. The device of the invention can be widely applied to vehicle detection and vehicle testing in scientific research institutions.
Description
Technical field
The present invention relates to a kind of automobile detection apparatus and method, more particularly to one kind are based on the inspection of anti-force type drum braking
The stand internal resistance measurement device and method of platform.
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 close
Switch conduction.By delay circuit actuating motor, through decelerator, Chain conveyer and driving and driven drum having motor car wheel low speed rotation,
Driver's brake pedal after vehicle wheel rotational speed is stable.The moment of friction of wheel drag passes to cylinder through tire and is changed into taking turns
The active force to cylinder for the tire.Meanwhile the tangential direction of the periphery to tire for the cylinder has counteracting force, to overcome brake to rub
Wipe moment, maintain wheel to continue rotation.Due to the presence of active force, reducer shell rotates phase towards cylinder together with dynamometry lever
Opposite direction swings, and the power of dynamometry lever or displacement are converted into the signal of telecommunication being in proportion with brake force through sensor, by calculating
Machine collection, process after, the brake force that detected by instruction device or printer output.
At present, during automobile is to be detected on roller test stand in counter-force, motor can drive cylinder group with
And other rotary parts of testing stand move together, in motor process, the friction between each rotary part can have energy
The loss of amount, including the friction producing between the friction loss producing between tire and cylinder and testing stand internal drive system
Loss.Wherein, the friction loss producing inside testing stand is the internal resistance of stand.The automobile brake detecting in detection process
Power also includes this part of resistance, leads to testing result to there is error.Therefore, put in anti-force rolling brake testing platform
Using determining that its internal drag rower of going forward side by side is fixed before, make testing result more accurate.Typically now adopt coastdown
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, and therefore, coastdown has larger mistake
Difference.
Content of the invention
The invention aims to the automobile solving different axle loads at present detects in anti-force rolling brake testing platform
During the inaccurate inaccurate problem of brake force result causing of stand internal resistance.A kind of anti-force type drum braking that is based on is provided to try
Test the apparatus and method of the stand internal resistance measurement of platform.By the value of the stand internal resistance under the different axle load of measurement, determine anti-force type
Incidence relation between the stand internal resistance of Roller brake tester and automobile axle load, carries out error compensation to brake force result,
Make testing result more accurate.
For solving above-mentioned technical problem, the present invention 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 on the stand being fixed on anti-force type drum braking check-out console C；Described force and power measurement
In device A, force handle 1 and leading screw 2 pass through bonded, and leading screw 2 and matrix 3 adopt screw thread to coordinate, and leading screw 2 and connector I 5 are logical
Cross the transmission that slide block 4 carries out power, slide block 4 is connected with matrix 3 by guide pad 7, and is indulged on matrix 3 along guide pad 7
To movement, force transducer 6 is connected with slide block 4 by connector I 5.
In described fixing device B, the matrix 3 in connecting plate 14 and force and force measuring device A is bolted, silk
Thick stick 15 is identical with leading screw 17 structure and is attached by adapter sleeve 16, and leading screw 17 is connected through the hinge with base plate 20, base plate 20
In the frame being bolted on anti-force type drum braking check-out console C.
A kind of measuring method of the stand internal resistance based on anti-force type drum braking check-out console, is adjusted by rotation urging handle 1
Section force and device for measuring force A, imposed load is in tire draft hitch D, thus simulated automotive axle load；
Counter-force Roller brake tester cylinder group drives the value reading force transducer 6 instrument in tire rotation process, obtains
Simulation axle load, and the internal resistance value F of stand is recorded in real time according to counter-force Roller brake tester data collecting systemx, set up axle
Load and stand internal resistance incidence relation.
Compared with prior art the invention has the beneficial effects as follows：
1st, using before anti-force rolling brake testing platform detection braking power, the internal resistance of stand is demarcated at present, gained
To calibration value be a definite value, and in the detection process of reality, stand internal resistance can produce change because of the different of axle load, this
The measurement apparatus of the stand internal resistance of bright foundation can measure the stand internal resistance under different axle loads, and brake force result can be carried out
Error compensation.
2nd, the stand internal resistance measurement apparatus structure based on anti-force rolling brake testing platform of the present invention is simple, operation
Convenient, taken up space little, low cost, accuracy of detection is high, can accurately simulate different axle loads by adjusting force application apparatus
Size it is not necessary to be demarcated using real vehicle, only need to can determine that different axle loads using this device in calibration process
Stand internal resistance in detection process for the automobile value.
Brief description
The present invention is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is the axle of the stand internal resistance measurement device based on anti-force rolling brake testing platform of the present invention
Survey projection；
Fig. 2 a is of the present invention based in the stand internal resistance measurement device of anti-force rolling brake testing platform
Force and the axonometric projection graph of force measuring device；
Fig. 2 b is the partial enlarged drawing of Fig. 2 a；
Fig. 3 is of the present invention based in the stand internal resistance measurement device of anti-force rolling brake testing platform
Fixing device axonometric projection graph；
Fig. 4 is of the present invention based in the stand internal resistance measurement device of anti-force rolling brake testing platform
Anti-force type drum braking check-out console simplified model schematic diagram；
Fig. 5 a is of the present invention based in the stand internal resistance measurement device of anti-force rolling brake testing platform
Tire draft hitch axonometric projection graph；
Fig. 5 b is the partial enlarged drawing of Fig. 5 a；
Fig. 6 is of the present invention based in the stand internal resistance measurement device of anti-force rolling brake testing platform
Data collecting system schematic diagram.
In figure：A. force and force measuring device, B. fixing device, C. anti-force type drum braking check-out console simplified model, D.
Tire draft hitch, 1. exert a force handle, 2. leading screw I, 3. matrix, 4. slide block, 5. connector I, 6. force transducer, 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. amortisseurs,
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 patch panel, 46. analog acquisition cards, 47. industrial computers.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is explained in detail：
The invention provides a kind of device and method of the stand internal resistance measurement based on anti-force type drum braking check-out console, energy
Enough improve the degree of accuracy of vehicle braking performances detection.Research vehicle braking performances have very high social value and widely social
Meaning, has good facilitation to the safe operation of vehicle, riding comfort and stability, also has society well simultaneously
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 of the present invention includes：
Force and force measuring device A, fixing device B, anti-force type drum braking check-out console C, tire draft hitch D.Wherein tire suspension
Device D is passed through hinge and is linked with force and force measuring device A, and force and force measuring device A are bolted and are fixed on fixation
On device B, fixing device B is bolted and is fixed on anti-force type drum braking check-out console C.
Refering to Fig. 2, in the device of the stand internal resistance measurement based on anti-force type drum braking check-out console of the present invention
Force and force measuring device A include：Force handle 1, leading screw 2, matrix 3, slide block 4, connector 5, force transducer 6, guide pad 7,
Connector 8, bracing frame 9, hinge 10, lower connector 11, upper connector 12, connecting pin 13.Force handle 1 and leading screw 2 pass through key
Connect, leading screw 2 and matrix 3 adopt screw thread to coordinate.Connector 5 is identical with the structure of connector 8, and force transducer 6 passes through connector 5
It is connected with slide block 4, wherein the specification of force transducer 6 is S type pull pressure sensor, the size of each applying power can pass through S type
The measuring instrumentss of standard pull pressure sensor directly record.Leading screw 2 and connector 5 carry out the transmission of power by slide block 4, and slide block leads to
Cross guide pad 7 to be connected with matrix, slide block longitudinally moves along guide pad on matrix.Rotation urging handle 1, drives leading screw
2 is mobile, makes slide block 4 produce displacement, transfers force to force transducer 6 by connector 5, can record force size.
Refering to Fig. 3, in the device of the stand internal resistance measurement based on anti-force type drum braking check-out console of the present invention
Fixing device B includes：Connecting plate 14, leading screw 15, adapter sleeve 16, leading screw 17, fastening bolt 18, bolt hole 19, base plate 20.Connect
Matrix 3 in plate 14 and force and force measuring device A is bolted, leading screw 15 identical with leading screw 17 structure by adapter sleeve
16 are attached.The distance of screw mandrel 15 and leading screw 17 can be shortened or increase by the set 16 that is rotatably connected, apply such that it is able to change
Power and the angle of power measurement.Leading screw 15 is connected through the hinge with connecting plate 14, and base plate 20 rolls with being bolted on anti-force type
In the frame of cylinder brake test bench C.The Main Function of fixing device B is to play reinforcing suspension tire model D and anti-force type cylinder
The purpose of brake test bench C, prevents the deviation mechanical engagement aspect in calibration process.
Refering to Fig. 4, in the device of the stand internal resistance measurement based on anti-force type drum braking check-out console of the present invention
The anti-force type drum braking check-out console that anti-force type drum braking check-out console C produces for Chengdu Chengbao Dev Co., Ltd., type
Number be FZ-10C.Present invention employs anti-force type drum braking check-out console simplified model mainly to include：Frame 21, sprocket wheel 22, from
Dynamic cylinder 23, the 3rd cylinder 24, drive cylinder 25.Follower rollers 23 and driving cylinder 25 are fixed in frame by bearing, and
It is attached by sprocket wheel 22.
Refering to Fig. 5, in the device of the stand internal resistance measurement based on anti-force type drum braking check-out console of the present invention
Tire draft hitch D includes：Piston rod 26, damping spring 27, support seat ring 28, amortisseur 29, lower swing arm 30, fastening 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 amortisseur 29 constitute shock mitigation system, piston rod 26
Top is height 40mm, wall thickness 5mm, the cylinder of inside diameter 30mm, the connector in this cylinder and force and force measuring device A
8 coaxial cooperation, when the pressure is exerted, pressure acts on lower swing arm 30 by piston rod 26, the true wheel of true simulated automotive
Weight.Amortisseur 29 and lower swing arm 30 chain connection, in the inner of lower swing arm 30 and top link 39 and force and force measuring device A
Matrix 3 chain connection, the outer end of the two is then connected with universal knuckle 33 by ball stud 44 respectively.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, of the present invention based on the number in the stand internal resistance measurement device of anti-force rolling brake testing platform
Include according to acquisition system schematic diagram：Analog signalses amplify patch panel 45, analog acquisition card 46, industrial computer 47.Wherein stand
The analog signalses of left and right internal resistance first pass through amplification patch panel 45 and are amplified processing, and are then gathered by analog acquisition card 46
Signal to after process, finally obtains the internal resistance value of corresponding stand in industrial computer 46.
The operation principle of experimental provision of the present invention：
For the automobile coaxially not weighed, apply corresponding axle load 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 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, to make tire suspension fill by the angle of adjusting screw
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 the internal drag of testing stand is demarcated 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 because of the different of axle load, this
The measurement apparatus of the stand internal resistance of bright foundation can demarcate the stand internal resistance under different axle loads, carries out error to brake force result
Compensate, make the value of brake force detecting more accurate.
The stand internal resistance measurement method of the present invention includes following concrete steps：
(1) force and device for measuring force A, fixing device B, anti-force type drum braking check-out console C are adjusted by of the present invention
It is fixed according to the annexation described in Fig. 1 with tire draft hitch D and assemble it is ensured that surface of tyre and brake test bench
Cylinder group surface perpendicular contact, force transducer 6 is returned to zero, and adjusts the force handle 1 in force and device for measuring force A, makes power
The stress of sensor 6 is zero；
(2) rotation urging handle 1, is read the registration of force transducer 6, is stepped up with the axle load of unit quantity, drives electricity
Machine starts, and drives cylinder group and tyre rotation, obtains the value of drag by data collecting system, be the platform under this axle load
The value of frame internal resistance (is designated as Fx).
Collection stand internal resistance and the data of axle load, are fitted to obtained data using method of least square, determine
Incidence relation between stand internal resistance and vehicle axle load.The vehicle of different axle loads can be obtained in inspection by this incidence relation
The internal resistance value F of stand during surveyx, the braking force value recording in note detection process is F, then (F-Fx) for removing stand internal resistance
Reality brake force, error compensation can be carried out to brake force result, make testing result more accurate.
Claims (3)
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 passed through hinge and is linked with force and force measuring device (A), exerts 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 described force and force measuring device (A), force handle (1) is passed through with leading screw (2)
Bonded, leading screw (2) and matrix (3) adopt screw thread to coordinate, and leading screw (2) and connector I (5) carry out the biography of power by slide block (4)
Pass, slide block (4) is connected with matrix (3) by guide pad (7), and is vertically moved on matrix (3) along guide pad (7),
Force transducer (6) is connected with slide block (4) by connector I (5).
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), the matrix (3) in connecting plate (14) and force and force measuring device (A) is by bolt even
Connect, leading screw (15) is identical with leading screw (17) structure and is attached by adapter sleeve (16), and leading screw (17) is passed through with base plate (20)
Chain connection, in base plate (20) and the frame being bolted on anti-force type drum braking check-out console (C).
3. a kind of measuring method of the stand internal resistance based on anti-force type drum braking check-out console it is characterised in that：
Force and device for measuring force (A) are adjusted by rotation urging handle (1), imposed load is in tire draft hitch (D), thus mould
Intend automobile axle load；
Counter-force Roller brake tester cylinder group drives the value reading force transducer (6) instrument in tire rotation process, obtains mould
Intend axle load, and record the internal resistance value F of stand according to counter-force Roller brake tester data collecting system in real timex, set up axle and carry
Lotus and stand internal resistance incidence relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860543.XA CN106404264B (en) | 2016-09-29 | 2016-09-29 | Counter-force type roller braking inspection bench-based bench internal resistance measuring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610860543.XA CN106404264B (en) | 2016-09-29 | 2016-09-29 | Counter-force type roller braking inspection bench-based bench internal resistance measuring device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106404264A true CN106404264A (en) | 2017-02-15 |
| CN106404264B CN106404264B (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610860543.XA Expired - Fee Related CN106404264B (en) | 2016-09-29 | 2016-09-29 | Counter-force type roller braking inspection bench-based bench internal resistance measuring device and method |
Country Status (1)
| Country | Link |
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| CN (1) | CN106404264B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738117A (en) * | 2019-02-01 | 2019-05-10 | 广东省计量科学研究院（华南国家计量测试中心） | A kind of drum reaction brake test bench device for dynamically detecting |
| CN110595800A (en) * | 2019-09-20 | 2019-12-20 | 葛在 | Device and method for testing braking performance of automobile |
| CN112945584A (en) * | 2021-03-22 | 2021-06-11 | 东风汽车集团股份有限公司 | Tire impact resistance testing device |
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| CN201673013U (en) * | 2010-04-28 | 2010-12-15 | 吉林大学 | Dynamic calibration device of roller reaction type brake tester |
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| CN202836987U (en) * | 2012-09-24 | 2013-03-27 | 中国人民解放军总后勤部军事交通运输研究所 | Single-axis counter-force type dual-roller detection test platform of trailer inertial braking system |
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| CN206161222U (en) * | 2016-09-29 | 2017-05-10 | 吉林大学 | Rack internal resistance measuring device based on counter -force type cylinder brake test bench |
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| US20110125450A1 (en) * | 2008-05-06 | 2011-05-26 | Gm Global Technology Operations, Inc. | Digital controller for an automotive steering test rig |
| CN201673013U (en) * | 2010-04-28 | 2010-12-15 | 吉林大学 | Dynamic calibration device of roller reaction type brake tester |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109738117A (en) * | 2019-02-01 | 2019-05-10 | 广东省计量科学研究院（华南国家计量测试中心） | A kind of drum reaction brake test bench device for dynamically detecting |
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| CN110595800A (en) * | 2019-09-20 | 2019-12-20 | 葛在 | Device and method for testing braking performance of automobile |
| CN112945584A (en) * | 2021-03-22 | 2021-06-11 | 东风汽车集团股份有限公司 | Tire impact resistance testing device |
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| CN106404264B (en) | 2022-07-05 |
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