CN102393309B - Tyre coupling stiffness testing machine - Google Patents
Tyre coupling stiffness testing machine Download PDFInfo
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- CN102393309B CN102393309B CN201110246104.7A CN201110246104A CN102393309B CN 102393309 B CN102393309 B CN 102393309B CN 201110246104 A CN201110246104 A CN 201110246104A CN 102393309 B CN102393309 B CN 102393309B
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Abstract
The invention relates to a tyre stiffness testing device, in particular to a tyre coupling stiffness testing machine. The testing machine comprises a vertical trunk, a vertical loading mechanism, a longitudinal loading mechanism, a lateral loading mechanism, a twisting loading mechanism, a tyre lateral inclination positioning mechanism, a six-component sensor and a base, wherein the vertical trunk and the base form an engine body, the vertical loading mechanism is connected onto the vertical trunk by virtue of a vertical guide rail, a three-way loading platform formed by the longitudinal loading mechanism, the lateral loading mechanism and the twisting loading mechanism is arranged on the base, the six-component sensor is fixed on the vertical loading mechanism, and the tyre lateral inclination positioning mechanism is connected with the six-component sensor. The tyre coupling stiffness testing machine provided by the invention has simple and reasonable structure, can test vertical stiffness, longitudinal stiffness, lateral stiffness and twisting stiffness of a tyre and also can test the stiffness of the tyre under coupling stress.
Description
Technical field
The present invention relates to a kind of tire stiffness proving installation, a kind of tyre coupling stiffness testing machine specifically, it not only can testing tire the vertical stiffness of single direction under stressed, longitudinal rigidity, lateral rigidity, torsional rigidity can the stiffness characteristics of testing tire under coupling is stressed be also the coupling stiffness of tire.
Background technology
Tire stiffness is the important component part of mechanics of tire characteristic, and the structural parameters of tire and mechanical characteristic are determining the main rideability of automobile.Tire stiffness testing machine is one of key equipment of testing tire performance, and it can test out the rigidity of the single stressed lower all directions of tire: vertical stiffness, and longitudinal rigidity, lateral rigidity, torsional rigidity, is the significant data source of mechanics of tire characteristic test.
Current tire stiffness testing machine is by the loading of single direction, is merely able to test out the single direction of tire rigidity when stressed, and can not measure the rigidity that tire is coupled when stressed.And automobile is when experience safety issue and other many states, tire is in coupling stress, and the test of tire stiffness characteristic under this stress does not also have special-purpose equipment both at home and abroad at present.
Summary of the invention
The object of this invention is to provide a kind of simple and reasonable, vertical stiffness that not only can testing tire, longitudinal rigidity, lateral rigidity and torsional rigidity, also can test out the tyre coupling stiffness testing machine of the rigidity of the stressed lower tire of coupling.
The object of the present invention is achieved like this, and this testing machine comprises vertical trunk, vertical loading mechanism, longitudinal load maintainer, side direction load maintainer, reverses load maintainer, and tire rolls detent mechanism, six-component sensor, pedestal, described vertical trunk and pedestal form body, and vertically load maintainer is connected on vertical trunk by upright guide rail, six-component sensor is fixed on vertical load maintainer, and tire rolls detent mechanism and is connected with six-component sensor, it is characterized in that: described longitudinal load maintainer, side direction load maintainer and the common three-dimensional loading bench forming of torsion load maintainer are arranged on pedestal, described three-dimensional loading bench comprises the base plate being fixed on pedestal, by longitudinal rail, be connected in the longitudinal base plate on base plate, by side guide, be connected in the side direction base plate on longitudinal base plate, be fixed on the turntable bearing on base plate, be fixed on the torsion base plate on turntable bearing, described base plate, longitudinally base plate and side direction base plate are by side guide and longitudinal rail relative sliding between two, the second servomotor and the 3rd servomotor are individually fixed in the movement that promotes base plate on base plate and longitudinal base plate, described longitudinal base plate is the longitudinal base plate with linear displacement transducer, described side direction base plate is the side direction base plate with linear displacement transducer, described turntable bearing is the turntable bearing with angular displacement sensor.
The present invention has the following advantages and good effect:
1, the present invention is simple and reasonable, can measure the tyre coupling stiffness testing machine of the stressed lower tire stiffness of coupling.As the lateral rigidity of testing tire, can set different vertical loading, reverse to load, longitudinally load assembled state, then carry out side direction loading, the lateral rigidity of testing tire in being coupled under stressed.
2, the present invention can test out the rigidity of the stressed lower tire of coupling, promotes the development of domestic tire stiffness testing machine, thereby lays the foundation for development and the application of high precision auto model in automotive development of mechanics of tire and automobile dynamics.
Accompanying drawing explanation
Fig. 1 is tyre coupling stiffness testing machine one-piece construction schematic diagram.
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.
Tu4Shi vertical loading mechanism and inclination detent mechanism.
Fig. 5 is three-dimensional loading bench.
Embodiment
By accompanying drawing 1, 2, shown in 3: this testing machine comprises vertical trunk 1, vertical loading mechanism 2, longitudinal load maintainer 3, side direction load maintainer 4, reverse load maintainer 5, tire rolls detent mechanism 6, six-component sensor 7, pedestal 8, described vertical trunk 1 and pedestal 8 form body, vertically load maintainer 2 is connected on vertical trunk 1 by upright guide rail 12, longitudinal load maintainer 3, side direction load maintainer 4 and the common three-dimensional loading bench forming of torsion load maintainer 5 are arranged on pedestal 8, six-component sensor 7 is fixed on vertical load maintainer 2 by rebound 13, tire rolls detent mechanism 6 and is connected with six-component sensor 7 by web member 15.
On described vertical trunk 1, be provided with groove and place guide rail 12, the stiff end 28 that top is servomotor.
Shown in accompanying drawing 4: described vertical loading mechanism 2 comprises the first servomotor 9 being fixed on vertical trunk 1, the side plate 11 that connects servomotor 9 by axle 10, be arranged on the upright guide rail groove 12-1 for vertical connecting guide rail 12 on side plate 11, described side plate 11 is the side plates with linear displacement transducer.
Described tire rolls detent mechanism 6 and comprises on it roll axis 18 with obliquity sensor 17, be connected in stationary shaft and expansion set 16 on roll axis 18, be connected and fixed the web member 15 of axle and expansion set 16, unclamp the angle (forming tyre side inclination angle) of expansion set 16 capable of regulating roll axis 18 relative web members 15, after adjusting, make expansion set 16 swellings, guarantee that roll axis 18 and the gapless of web member 15 are located by connecting, web member 15 is connected in six-component sensor 7 by the second rebound 14.
On described roll axis 18, be provided with the tire adapter 30 that is applicable to installing different model and kind tire.
Shown in accompanying drawing 5: described by longitudinal load maintainer 3, side direction load maintainer 4 and the common three-dimensional loading bench forming of torsion load maintainer 5 comprise the base plate 19 being fixed on pedestal 8, by longitudinal rail 27, be connected in the longitudinal base plate 20 on base plate 19, described longitudinal base plate 20 is the longitudinal base plates with linear displacement transducer, by side guide 24, be connected in the side direction base plate 21 on longitudinal base plate 20, described side direction base plate 21 is the side direction base plates with linear displacement transducer, be fixed on the turntable bearing 23 on base plate 21, be fixed on the torsion base plate 22 on turntable bearing 23, described base plate 19, longitudinally base plate 20 and side direction base plate 21 are by side guide 24 and longitudinal rail 27 relative sliding between two, the second servomotor 25 and the 3rd servomotor 26 are individually fixed in the movement that promotes base plate on base plate 19 and longitudinal base plate 20, described turntable bearing 23 is the turntable bearing with angular displacement sensor.
On described torsion base plate 22, be provided with 3M sand paper 29, for increasing the attachment coefficient between tire and three-dimensional loading bench.
Principle of work:
By six-component sensor 7, can be measured accurately the power of tire all directions, vertical loading mechanism 2 and by longitudinal load maintainer 3, side direction load maintainer 4 and the common three-dimensional loading bench forming of torsion load maintainer 5 load by 9,25,26 pairs of tires of servomotor, by sensor, can measure accurately the displacement of tire all directions, thereby can measure the rigidity of the stressed lower tire of coupling.
Claims (6)
1. a tyre coupling stiffness testing machine, this testing machine comprises vertical trunk (1), vertical loading mechanism (2), longitudinal load maintainer (3), side direction load maintainer (4), reverse load maintainer (5), tire rolls detent mechanism (6), six-component sensor (7), pedestal (8), described vertical trunk (1) and pedestal (8) form body, vertically load maintainer (2) is connected on vertical trunk (1) by upright guide rail (12), six-component sensor (7) is fixed on vertical load maintainer (2), tire rolls detent mechanism (6) and is connected with six-component sensor (7), it is characterized in that: described longitudinal load maintainer (3), the common three-dimensional loading bench forming of side direction load maintainer (4) and torsion load maintainer (5) is arranged on pedestal (8), described three-dimensional loading bench comprises the base plate (19) being fixed on pedestal (8), by longitudinal rail (27), be connected in the longitudinal base plate (20) on base plate (19), by side guide (24), be connected in the side direction base plate (21) on longitudinal base plate (20), be fixed on the turntable bearing (23) on side direction base plate (21), be fixed on the torsion base plate (22) on turntable bearing (23), described base plate (19), longitudinally base plate (20) and side direction base plate (21) are by side guide (24) and longitudinal rail (27) relative sliding between two, the upper longitudinal base plate (20) that promotes of base plate (19) that the second servomotor (25) is fixed on pedestal (8) moves, the 3rd servomotor (26) is fixed on the upper side direction base plate (21) that promotes of longitudinal base plate (20) and moves, described longitudinal base plate (20) is the longitudinal base plate with linear displacement transducer, described side direction base plate (21) is the side direction base plate with linear displacement transducer, described turntable bearing (23) is the turntable bearing with angular displacement sensor.
2. a kind of tyre coupling stiffness testing machine according to claim 1, it is characterized in that: described tire rolls detent mechanism (6) and comprises on it roll axis (18) with obliquity sensor (17), be connected in stationary shaft and expansion set (16) on roll axis (18), the web member (15) that is connected and fixed axle and expansion set (16), web member (15) is connected in six-component sensor (7) by the second rebound (14).
3. a kind of tyre coupling stiffness testing machine according to claim 1, is characterized in that: on described vertical trunk (1), be provided with groove and place guide rail (12), the stiff end that top is servomotor (28).
4. a kind of tyre coupling stiffness testing machine according to claim 1, it is characterized in that: described vertical loading mechanism (2) comprises the first servomotor (9) being fixed on vertical trunk (1), the side plate (11) that connects servomotor (9) by axle (10), be arranged on the upright guide rail groove (12-1) for vertical connecting guide rail (12) on side plate (11), described side plate (11) is the side plate with linear displacement transducer.
5. a kind of tyre coupling stiffness testing machine according to claim 4, is characterized in that: on described torsion base plate (22), be provided with 3M sand paper (29).
6. a kind of tyre coupling stiffness testing machine according to claim 4, is characterized in that: on described roll axis (18), be provided with tire adapter (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110246104.7A CN102393309B (en) | 2011-08-25 | 2011-08-25 | Tyre coupling stiffness testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110246104.7A CN102393309B (en) | 2011-08-25 | 2011-08-25 | Tyre coupling stiffness testing machine |
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| Publication Number | Publication Date |
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| CN102393309A CN102393309A (en) | 2012-03-28 |
| CN102393309B true CN102393309B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110246104.7A Active CN102393309B (en) | 2011-08-25 | 2011-08-25 | Tyre coupling stiffness testing machine |
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Cited By (1)
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| CN105865928A (en) * | 2016-06-20 | 2016-08-17 | 石家庄铁道大学 | Three-directional rigidity experiment device of tires |
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| CN112504699A (en) * | 2020-11-24 | 2021-03-16 | 吉林大学 | Coupling rigidity test bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4860680B2 (en) * | 2008-12-03 | 2012-01-25 | トヨタ自動車株式会社 | Tire acting force detection device |
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| CN105865928A (en) * | 2016-06-20 | 2016-08-17 | 石家庄铁道大学 | Three-directional rigidity experiment device of tires |
| CN105865928B (en) * | 2016-06-20 | 2018-03-02 | 石家庄铁道大学 | Tire three-way rigidity experimental provision |
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| CN102393309A (en) | 2012-03-28 |
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