CN102435449B - Compound four-connecting rod testing machine for mechanical properties of tire - Google Patents
Compound four-connecting rod testing machine for mechanical properties of tire Download PDFInfo
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- CN102435449B CN102435449B CN 201110254282 CN201110254282A CN102435449B CN 102435449 B CN102435449 B CN 102435449B CN 201110254282 CN201110254282 CN 201110254282 CN 201110254282 A CN201110254282 A CN 201110254282A CN 102435449 B CN102435449 B CN 102435449B
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Abstract
The invention relates to a compound four-connecting rod testing machine for the mechanical properties of a tire. The testing machine comprises an arc-shaped guide rail device, a compound four-connecting rod mechanism assembly, a vertical loading sliding plate part assembly, a six-component sensor and driving brake device assembly and a simulated road device, wherein the arc-shaped guide rail device consists of a substrate hydraulic cylinder and arc-shaped guide rails; the compound four-connecting rod mechanism assembly consists of a substrate, four connecting rods, a big swing rod mechanism and a small swing rod mechanism; the vertical loading sliding plate part assembly consists of a box body, guide rails, a sliding plate, a hydraulic cylinder, a hydraulic cylinder junction board and an upper transition board; and the six-component sensor and driving brake device assembly consists of a six-component sensor and a driving brake device. The compound four-connecting rod testing machine for the mechanical properties of the tire has a simple and reasonable structure and low price, is capable of realizing various operation conditions of the tire and is capable of accurately controlling the six degrees of freedom motion parameters of the tire and the relation between the six degrees of freedom motion parameters and the six components of the ground, and moreover, the trace center of tire is not changed under the compound operation conditions.
Description
Technical field
The present invention relates to a kind of indoor tire mechanical property testing device, a kind of by the testing machine of compound four connecting rods and the various tire operating conditions of arc-shaped guide rail winding machine specifically, it can measure tire at a high speed or the mechanical characteristic under the slow running operating mode simultaneously.
Background technology
The mechanics of tire characteristic is the basis of automotive performance analysis and design, and the performances such as security, control stability, ride comfort and NVH of automobile are had to important impact.Tire mechanical property testing machine is tire characteristics modeling and vehicle performance is integrated, one of the crucial testing apparatus of adjustment and exploitation, it can realize the various operating conditions of tire, and measure six-freedom degree kinematic parameter and with the relation of ground six component, it is the source of vehicle dynamics simulation design key data.
The outdoor tyre tester of trailer-type can imitate the tire operation of various road conditions, but due to the randomness of outdoor environment, and the impact of the factors such as out-of-flatness on road surface, the test figure obtained is inaccurate, and discreteness is larger.Indoor tyre tester has been eliminated the impact of outdoor environment on the tire test data, this testing machine is except the relative motion of imitating road surface and wheel, usually can realize Wheel slip and roll motion, but the problem that while because of mechanism principle imperfection ubiquity, rolling the lateral deviation motion, move at the tire print center, cause indelible lateral deviation roll motion coupling edge effect, as just there is this problem in all flat rubber belting formula high-speed tire dynamic characteristic test machines that the American MTS company be widely used produces, cause the motion input parameter of testing tire to be difficult to control, so that test data is inaccurate.In addition, can realize at present the testing machine of tire complex conditions characteristic test, complex structure, huge, involve great expense.
Summary of the invention
The objective of the invention is to provide a kind of simple and reasonable, cheap, can realize the various operating conditions of tire, under complex conditions, the tire print center is constant, and can accurately control tire six-freedom degree kinematic parameter and with the compound four link type tyre tester of the relation of ground six component.
The object of the present invention is achieved like this, this testing machine comprises the arc-shaped guide rail device consisted of pedestal hydraulic cylinder and arc-shaped guide rail, by pedestal, four compound four-bar mechanism assemblies that connecting rod, large swing-bar mechanism, small swinging rod mechanism form, the vertical loading slide plate part assembly formed by casing, guide rail, slide plate, hydraulic cylinder, hydraulic cylinder connected unit, upper transition bench, by six-component sensor, the six-component sensor that drives clamping device to form and driving clamping device assembly, simulated roadway device;
A, described pedestal are arranged on arc-shaped guide rail, the pedestal hydraulic cylinder is connected on pedestal, described large swing-bar mechanism, small swinging rod mechanism is connected on pedestal by quarter butt by symmetrically arranged two bases respectively, four connecting rods are connected on large swing-bar mechanism, small swinging rod mechanism and casing by quarter butt respectively, form compound four-bar mechanism assembly;
B, at the trailing edge two ends of pedestal, by the locking device bearing, be fixed with symmetrical inclination locking device, roll locking device and be fixed on large swing-bar mechanism.Trailing edge middle part at pedestal is fixed with middle hydraulic cylinder, and middle hydraulic cylinder is fixed in small swinging rod mechanism by bearing;
C, described casing front end both sides are fixed with closed slide, and slide plate is assemblied on guide rail, and six-component sensor and driving clamping device assembly are fixed on slide plate by ring flange; The upper end of casing is fixed with transition bench, is fixed with the hydraulic cylinder connected unit on upper transition bench, and hydraulic cylinder is fixed on the hydraulic cylinder connected unit, and upper bush passes the hydraulic cylinder connected unit, and is fixed on slide plate by the slide plate limit shaft.Hydraulic cylinder is connected by the slide plate connected unit with slide plate;
D, described six-component sensor and driving clamping device assembly comprise wheel rim adapter, six-component sensor, ring flange, driving clamping device fixed cover, end cap, driving clamping device, belt and belt pulley, wherein the six-component sensor front end is fixed with the wheel rim adapter, by wheel rim adapter and tire, fixes.Six-component sensor is fixed on ring flange, drives clamping device coaxially to be connected with six-component sensor, and by driving clamping device fixed cover and end cap to fix, the outer lace of six-component sensor rear axle and belt pulley, the external speed probe of belt pulley.
The present invention has following advantage and beneficial effect:
1, the present invention adopts said structure, simple and reasonable, is easy to manufacture.
2, there is lateral deviation, inclination, the stable state of indulging sliding and vertical load and unstable state input, can carry out the complex conditions test of various high speeds or low speed.
3, can carry out six component mensuration, obtain comprehensive mechanical characteristic.
4, can keep the constant of tire ground connection trace center, the accuracy of warranty test result.
The accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram that simulated roadway adopts the compound four link type tyre tester of rotary drum structure.
Fig. 2 be in Fig. 1 of the present invention A to perspective view.
Fig. 3 be in Fig. 1 of the present invention B to perspective view.
Fig. 4 is the large swing-bar mechanism structural representation of the present invention.
Fig. 5 is small swinging rod mechanism structure schematic diagram of the present invention.
Fig. 6 is the structural representation of vertical loading slide plate part assembly of the present invention.
Fig. 7 is six-component sensor of the present invention and drives the brake assembly structural representation.
Fig. 8 is the one-piece construction schematic diagram that simulated roadway adopts the compound four link type tyre tester of flat rubber belting formula structure.
Fig. 9 is the one-piece construction schematic diagram that simulated roadway adopts the compound four link type tyre tester of plate armature.
Figure 10 is the axis that the present invention relates to and the schematic diagram on plane.
Embodiment
By accompanying drawing 1, 2, shown in 3: this testing machine comprises the arc-shaped guide rail device consisted of pedestal hydraulic cylinder 1 and arc-shaped guide rail 2, by pedestal 3, four connecting rods 8, 9, 11, 24, large swing-bar mechanism 6, the compound four-bar mechanism assembly that small swinging rod mechanism 7 forms, by casing 18, guide rail 19, slide plate 17, hydraulic cylinder 13, hydraulic cylinder push-off pin 14, hydraulic cylinder connected unit 15, the vertical loading slide plate part assembly that upper transition bench 12 forms, by six-component sensor 31, the six-component sensor that drives clamping device 35 to form and driving clamping device assembly, the simulated roadway device formed by rotary drum testing table 20 or flat rubber belting formula testing table 28 or flat testing table 29.
Described pedestal 3 is arranged on arc-shaped guide rail 2, and pedestal hydraulic cylinder 1 is connected on pedestal 3, and pedestal hydraulic cylinder 1 promotes pedestal 3 and do the arcuate movement around tire 21 lateral deviation axis of movement Z on arc-shaped guide rail 2, realizes the lateral deviation motion of tire 21.
Shown in described large swing-bar mechanism 6(accompanying drawing 4), shown in the 7(of small swinging rod mechanism accompanying drawing 5) by symmetrically arranged two bases 23, by quarter butt 10, be connected on pedestal 3 respectively, four connecting rods 8,9,11,24 are connected on large swing-bar mechanism 6, small swinging rod mechanism 7 and casing 18 by quarter butt 10 respectively, form compound four-bar mechanism assembly.
Trailing edge two ends at pedestal 3 are fixed with symmetrical inclination locking device 5 by locking device bearing 4, roll locking device 5 and are fixed on large swing-bar mechanism 6.Trailing edge middle part at pedestal 3 is fixed with middle hydraulic cylinder 27, and middle hydraulic cylinder 27 is fixed in small swinging rod mechanism 7 by bearing.
Middle hydraulic cylinder 27 promotes small swinging rod 7 and does front-rear reciprocation movement, and drives the roll motion around virtual roll motion axis X that large fork 6, compound four-bar mechanism assembly and casing 18 are realized tire 21.
Shown in accompanying drawing 1,6: described casing 18 front end both sides are fixed with closed slide 19, and slide plate 17 is assemblied on guide rail 19, and six-component sensor and driving clamping device assembly are fixed on slide plate 17 by ring flange 32.
The upper end of described casing 18 is fixed with transition bench 12, on upper transition bench 12, is fixed with hydraulic cylinder connected unit 15, and hydraulic cylinder 13 is fixed on hydraulic cylinder connected unit 15, and upper bush 26 passes the hydraulic cylinder connected unit, and is fixed on slide plate 17 by slide plate limit shaft 25.Hydraulic cylinder 13 is connected by slide plate connected unit 16 with slide plate 17.
Described hydraulic cylinder 13 promotes slide plate 17 and does vertical movement, and slide plate 17 drives tire 21, thereby realizes the vertical loading to tire 21.Thereby the lateral deviation of whole winding machine to tire, roll, the vertical loading simulation.
Shown in accompanying drawing 7, described six-component sensor and driving clamping device assembly comprise wheel rim adapter 30, six-component sensor 31, ring flange 32, drive clamping device fixed cover 33, end cap 34, drive clamping device 35, belt and belt pulley 36, wherein six-component sensor 31 front ends are fixed with wheel rim adapter 30, fixing with tire 21 by wheel rim adapter 30.Six-component sensor 31 is fixed on ring flange 32, drive clamping device 35 coaxially to be connected with six-component sensor 31, and by driving clamping device fixed cover 33 and end cap 34 fixing, the outer lace of six-component sensor 31 rear axles and belt pulley 36, the external speed probe of belt pulley.
Described driving clamping device 35, by being rotated in the forward the driving that realizes tire 21, can be realized the braking of tire 21 by reverse rotation, thereby realizes driving and the braking control of tire 21.
Described road surface simulation device adopts three kinds of forms, comprises shown in rotary drum high-speed test (HST) platform 20(Fig. 1), shown in flat rubber belting formula high-speed test (HST) platform 29(Fig. 8) or flat slow-speed test platform 28(Fig. 9 shown in).
Shown in accompanying drawing 10, the definite tire of the Wheel slip axis of movement Z that the arc-shaped guide rail device is definite and compound four-bar mechanism assembly rolls axis of movement X and meets at 1 P, road surface (or section, road surface) the α process point P that road surface simulation device is definite, the test tire guarantees that by the adjusting of wheel rim adapter 30 thickness the wheel rim split β of tire cross direction is also through some P, make the trace center superposition of a P and testing tire, guarantee that the trace center P does not change when Wheel slip rolls the compound motion test.
Claims (3)
1. compound four connecting rod testing machine for mechanical properties of tires, this testing machine comprises hydraulic cylinder, middle hydraulic cylinder and six-component sensor, it is characterized in that: this testing machine also comprises the arc-shaped guide rail device consisted of pedestal hydraulic cylinder and arc-shaped guide rail, by pedestal, four connecting rods, large swing-bar mechanism, the compound four-bar mechanism assembly that small swinging rod mechanism forms, by casing, guide rail, slide plate, hydraulic cylinder, the hydraulic cylinder connected unit, the vertical loading slide plate part assembly that upper transition bench forms, by six-component sensor, the six-component sensor that drives clamping device to form and driving clamping device assembly, the simulated roadway device,
A, described pedestal are arranged on arc-shaped guide rail, the pedestal hydraulic cylinder is connected on pedestal, described large swing-bar mechanism, small swinging rod mechanism is connected on pedestal by quarter butt by symmetrically arranged two bases respectively, four connecting rods are connected on large swing-bar mechanism, small swinging rod mechanism and casing by quarter butt respectively, form compound four-bar mechanism assembly;
B, at the trailing edge two ends of pedestal, by the locking device bearing, be fixed with symmetrical inclination locking device, rolling locking device is fixed on large swing-bar mechanism, trailing edge middle part at pedestal is fixed with middle hydraulic cylinder, and middle hydraulic cylinder is fixed in small swinging rod mechanism by bearing;
C, described casing front end both sides are fixed with closed slide, and slide plate is assemblied on guide rail, and six-component sensor and driving clamping device assembly are fixed on slide plate by ring flange; The upper end of casing is fixed with transition bench, be fixed with the hydraulic cylinder connected unit on upper transition bench, hydraulic cylinder is fixed on the hydraulic cylinder connected unit, and upper bush is through the hydraulic cylinder connected unit, and be fixed on slide plate by the slide plate limit shaft, hydraulic cylinder is connected by the slide plate connected unit with slide plate;
D, described six-component sensor and driving clamping device assembly comprise wheel rim adapter, six-component sensor, ring flange, driving clamping device fixed cover, end cap, driving clamping device, belt and belt pulley, wherein the six-component sensor front end is fixed with the wheel rim adapter, by wheel rim adapter and tire, fixes; Six-component sensor is fixed on ring flange, drives clamping device coaxially to be connected with six-component sensor, and by driving clamping device fixed cover and end cap to fix, the outer lace of six-component sensor rear axle and belt pulley, the external speed probe of belt pulley.
2. a kind of compound four connecting rod testing machine for mechanical properties of tires according to claim 1, it is characterized in that: the definite tire of the Wheel slip axis of movement Z that described arc-shaped guide rail device is definite and compound four-bar mechanism assembly rolls axis of movement X and meets at 1 P, the road surface that the simulated roadway device is definite or section, road surface α are through some P, the test tire guarantees that by the adjusting of wheel rim adapter thickness the wheel rim split β of tire cross direction is also through some P, make the trace center superposition of a P and testing tire, guarantee that the trace center P does not change when Wheel slip rolls the compound motion test.
3. a kind of compound four connecting rod testing machine for mechanical properties of tires according to claim 1 is characterized in that: described simulated roadway device adopts three kinds of forms, comprises rotary drum high-speed test (HST) platform, flat rubber belting formula high-speed test (HST) platform or flat slow-speed test platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110254282 CN102435449B (en) | 2011-08-31 | 2011-08-31 | Compound four-connecting rod testing machine for mechanical properties of tire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110254282 CN102435449B (en) | 2011-08-31 | 2011-08-31 | Compound four-connecting rod testing machine for mechanical properties of tire |
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| CN102435449A CN102435449A (en) | 2012-05-02 |
| CN102435449B true CN102435449B (en) | 2013-12-18 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104236928B (en) * | 2014-05-09 | 2016-11-09 | 吉林大学 | A kind of test method of tire stable state lateral deviation mechanical characteristic |
| CN105466702B (en) * | 2015-11-19 | 2017-12-05 | 北京特种机械研究所 | Mecanum wheel comprehensive detection experimental rig |
| CN105606380B (en) * | 2015-12-22 | 2017-12-01 | 吉林大学 | A kind of tire six square phase test device for eliminating unbalance loading |
| CN109470489B (en) * | 2018-09-29 | 2020-10-16 | 陕西理工大学 | Electric simulation device for multi-condition road surface and road condition simulation method |
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| CN1865895A (en) * | 2006-06-20 | 2006-11-22 | 吉林大学 | Real-time measuring method for longitudinal attachment characteristic of tyre and pavement and measuring vehicle therefor |
| CN1918463A (en) * | 2004-02-11 | 2007-02-21 | 空中客车法国公司 | Mobile tyre test stand and method |
| CN101589299A (en) * | 2006-12-01 | 2009-11-25 | 荷兰应用科学研究会(Tno) | The measurement structure and the method that are used for the measuring wheel tyre data |
| CN202330032U (en) * | 2011-08-31 | 2012-07-11 | 吉林大学 | Compound four-link tyre mechanical property tester |
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2011
- 2011-08-31 CN CN 201110254282 patent/CN102435449B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1918463A (en) * | 2004-02-11 | 2007-02-21 | 空中客车法国公司 | Mobile tyre test stand and method |
| CN1865895A (en) * | 2006-06-20 | 2006-11-22 | 吉林大学 | Real-time measuring method for longitudinal attachment characteristic of tyre and pavement and measuring vehicle therefor |
| CN101589299A (en) * | 2006-12-01 | 2009-11-25 | 荷兰应用科学研究会(Tno) | The measurement structure and the method that are used for the measuring wheel tyre data |
| CN202330032U (en) * | 2011-08-31 | 2012-07-11 | 吉林大学 | Compound four-link tyre mechanical property tester |
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