CN205246358U - Eliminate six component testing arrangement on tire of unbalance loading - Google Patents

Eliminate six component testing arrangement on tire of unbalance loading Download PDF

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Publication number
CN205246358U
CN205246358U CN201521074688.4U CN201521074688U CN205246358U CN 205246358 U CN205246358 U CN 205246358U CN 201521074688 U CN201521074688 U CN 201521074688U CN 205246358 U CN205246358 U CN 205246358U
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China
Prior art keywords
tire
ball pivot
component sensor
component
sensor
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Expired - Fee Related
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CN201521074688.4U
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Chinese (zh)
Inventor
卢荡
敖策划
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Jilin University
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Jilin University
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Abstract

The utility model provides an eliminate six component testing arrangement on tire of unbalance loading, includes tire, simulation road surface, tire location load mechanism, includes still that base, 2 pillars, 2 six fens force transducer, 1 list divide force transducer, 4 ball pivots, a loading board, pillar one (2) and pillar two (5) is fixed on base (1), and one (3) and six fen force transducer two (6) of six fens force transducer fixes respectively on pillar (2) and pillar two (5), and two (7) upper ends of ball pivot (4) and ball pivot link firmly with loading board (8) lower surface, and the lower extreme links firmly with one (3) and six fen force transducer two (6) of six fens force transducer respectively, tire location load mechanism (13) sets up on loading board (8), three (9) upper ends of ball pivot are fixed at loading board (8) lower surface, singly divide force transducer (10) upper end to link firmly with ball pivot three (9), and the lower extreme links firmly with ball pivot four (11), and ball pivot four (11) is fixed on base (1). The utility model discloses realize using the mesh of current six component on the super large of the journey sensor measurements in a small amount tire.

Description

A kind of six points of force test devices of tire of eliminating unbalance loading
Technical field
The utility model relates to a kind of mechanics of tire testing arrangement, specifically a kind of tire six component tests of eliminating unbalance loadingDevice.
Background technology
Large load tire six component of heavy duty are bases of automobile, aeroplane performance analysis and design, its dynamics of rolling motion performance---sixPoint force characteristic, affects the performance such as security, control stability, ride comfort and NVH of automobile; Impact is taken off,The kinetic characteristic of land, braking, turning and coast period, is related to and to the research of six points of force characteristics is the safety of automobile, aircraftThe dynamic (dynamical) important content of automobile tire dynamics and aircraft floor.
In patent (CN102435449B), six-component sensor is arranged on and tire one side of tire rotation axle coaxial line,Can accurately measure tire six component in little load tire ground connection trace, but when measuring tyre of heavy truck or aviation wheelWhen tire, tire force has a common ground---and the suffered load of tire is very large. At this moment due to tire ground connection trace center withThere is certain distance in six-component sensor center, tire vertical force and side force and center sensor exist the arm of force, the wheel makingThe moment that tire vertical force and side force produce is easy to the turning torque outrange that six-component sensor is rotated around X-axis, whenWhen the suffered load ratio of tire is larger, this device just cannot be measured tire six component, must change wide range six-component sensor,But high precision and large measuring range six-component sensor cost costliness very, and range can't meet the demands. In addition at present canThe device of realizing the large load determination of six components of foree of tire is few, and complex structure, involves great expense.
Summary of the invention
The purpose of this utility model be to provide a kind of simple and reasonable, cheap, can realize the large load lower whorl of tireThe device of the accurate measurement of tire six component. The dynamic unbalance loading that this device produces can eliminate tire rolling in test time, also canElimination is arranged on the static unbalance loading that on this device loading plate, load maintainer gravity in tire location own produces, and realizes use existing littleRange sensors is measured the object of super large tire six component, meets the need of tyre of heavy truck and aircraft tyre mechanical property testingWant, and the turning torque outrange that can not make sensor rotate around X, and make each sensor stressed evenly, to greatest extentUtilize transducer range.
By reference to the accompanying drawings, be described as follows:
Eliminate six points of force test devices of tire of unbalance loading, this device locate load maintainer, simulated roadway with tire together with structureBecome tire mechanical property testing platform, realize the measurement of six points of force characteristics of tire; This device comprises base, 2 pillars, 2Six-component sensor, 1 single component sensor, 4 ball pivots, a loading plate, described pillar 1 and pillar 25 are solidFix on base 1, six-component sensor 1 and six-component sensor 26 are separately fixed on pillar 1 and pillar 25,Ball pivot 1 and ball pivot 27 upper ends and loading plate 8 are connected, lower end respectively with six-component sensor 1 and six-component sensor26 are connected; Tire location load maintainer 13 is arranged on loading plate 8;
Described ball pivot 39 upper ends and loading plate 8 are connected, and single component sensor 10 upper ends and ball pivot 39 are connected, its lower endBe connected with ball pivot 4 11, ball pivot 4 11 is fixed on base 1; Ball pivot 39, single component sensor 10, ball pivot 4 11Form two vertical rods.
Described ball pivot 1, ball pivot 27 is symmetricly set on tire ground connection trace center P both sides, tire ground connection trace centerP is in the mid point of ball pivot one center and ball pivot two lines of centres, the demarcation of six-component sensor 1 and six-component sensor 26Point respectively with the center superposition of ball pivot one and ball pivot two, thereby can eliminate tire rolling in test time, produce act on ground connectionThe dynamic unbalance loading of side force, longitudinal force and the vertical load at trace center to six-component sensor one and six-component sensor two.
Described ball pivot 39, single component sensor 10, ball pivot 4 11 are arranged on loading plate 8 and above tire location adds carrier aircraftStructure 13 center of gravity belows, restriction loading plate 8 rotates around ball pivot one center and ball pivot two lines of centres, eliminates this device loading plate 8And the gravity of tire mounted thereto location load maintainer 13 own produce to six-component sensor one and six-component sensor twoStatic unbalance loading.
Described ball pivot one, ball pivot two is symmetricly set on tire ground connection trace center P both sides, and each six-component sensor is only subject toTo the half of tire ground connection trace center tire force, make existing small-range sensor can measure super large tire six component.
Described simulated roadway device adopts two kinds of forms, comprises rotary drum simulated roadway peace belt simulated roadway.
Beneficial effect:
1, the utility model the sensor arrangement used advantages of simple, cost low, be easy to manufacture.
2, the tilting force that can solve tire rolling in Tire testing time, the vertical force at tire ground connection marking center and side force produceSquare outrange, the dynamic unbalance loading producing while eliminating tire rolling.
3, can solve the static unbalance loading that is arranged on tire location load maintainer gravity generation on this device loading plate to two six pointsThe impact of power sensor, eliminates and is arranged on the static unbalance loading that on this device loading plate, tire location load maintainer gravity produces.
4, each six-component sensor is only subject to the half of tire ground connection marking center tire force, realizes and uses existing small-range to passSensor is measured the object of super large tire six component, meets the needs of tyre of heavy truck and aircraft tyre mechanical property testing.
Brief description of the drawings
Fig. 1 is a kind of axonometric drawing of six points of force test devices of tire of eliminating unbalance loading;
Fig. 2 is a kind of front view of six points of force test devices of tire of eliminating unbalance loading;
Fig. 3 is a kind of side view of six points of force test devices of tire of eliminating unbalance loading;
Fig. 4 is the axonometric drawing that simulated roadway adopts the tire mechanical property testing platform on rotary drum road surface;
Fig. 5 is the front view that simulated roadway adopts the tire mechanical property testing platform on rotary drum road surface;
Fig. 6 is the axonometric drawing that simulated roadway adopts the tire mechanical property testing platform on flat rubber belting formula road surface;
Fig. 7 is axis and the floor map that the utility model relates to;
Fig. 8 is the utility model structural representation.
In figure: 1, base 2, pillar 1, six-component sensor 1, ball pivot 1, pillar 26,Six-component sensor 27, ball pivot 28, loading plate 9, ball pivot 3 10, single component sensor 11,Ball pivot 4 12, tire 13, tire location load maintainer 14, simulated roadway
Detailed description of the invention
Shown in accompanying drawing 1,2,3: this device comprise base 1, pillar 1, six-component sensor 1, ball pivot 1,Pillar 25, six-component sensor 26, ball pivot 27, loading plate 8, ball pivot 39, single component sensor 10, ball pivot four11。
Described ball pivot one 4 upper ends are fixed on loading plate 8, and the lower end of ball pivot 1 and six-component sensor one 3 upper ends are solidFixed, six-component sensor one 3 lower ends are fixed on pillar 1, and pillar 1 is fixed on base 1; Described ball pivot two7 upper ends are fixed on loading plate 8, and the lower end of ball pivot 27 and six-component sensor 26 upper ends are fixed, six-component sensor26 lower ends are fixed on pillar 25, and pillar 25 is fixed on base 1.
Described ball pivot 1, ball pivot 27 is symmetrically distributed in tire ground connection trace center P (seeing Fig. 7) both sides, tire ground connectionTrace center P is at the mid point of ball pivot 1 and ball pivot 27 lines, due to six-component sensor 1 and six-component sensor two6 demarcate respectively the center of ball pivot 1 and ball pivot 27, and ball pivot 1 and ball pivot 27 and tire ground connection trace center PPoint is coplanar and on same straight line; Tire vertical force (the Z that in Tire testing, tire ground connection marking center produces when tire rollingTo) and side force (Y-direction) in tire rolling process, can not produce the turning torque around X-axis (seeing Fig. 7), so energyEnough dynamic unbalance loadings producing while eliminating tire rolling in test, the sensor turning torque outrange that can not make.
Shown in accompanying drawing 2: described ball pivot 39 is arranged on the bottom of loading plate 8, single component sensor 10 upper ends and ballCut with scissors 39 and be connected, lower end and ball pivot 4 11 are connected, and ball pivot 4 11 is arranged on base 1; Ball pivot 39, single component sensingDevice 10, ball pivot 4 11 are arranged on loading plate and above part center of gravity below, because of six-component sensor 1 and six component sensingsDevice 26 is connected with loading plate 8 with ball pivot 27 by ball pivot 1 respectively, and loading plate 8 has one around X-axis (seeing Fig. 7) like thisThe free degree of rotation. And ball pivot 39, single component sensor 10, ball pivot 4 11 forms two vertical rods, be arranged on loading plate 8And above part body center of gravity below, for loading plate 8 provides support around X-axis (seeing Fig. 7) rotary freedom, and can eliminateThe static unbalance loading that loading plate 8 and above part body self gravitation produce.
Shown in accompanying drawing 4,5: described pillar 1, pillar 25 installed, ball pivot 4 11 is arranged on base 1, forSensors of large measurement range assembly provides support, and tire location load maintainer 13 is arranged on loading plate 8, and tire 12 is arranged on wheelOn the load maintainer 13 of tire location, simulated roadway 14 is ground connection trace center P point (seeing Fig. 7) with the contact point of tire 12,Ensure that P point is the mid point of ball pivot one 4 centers and ball pivot 27 lines of centres, six-component sensor 1 and six component are passed26 of sensors are subject to the half of tire ground connection trace center P point (seeing Fig. 7) tire force, i.e. this sensors of large measurement range amountJourney is the twice of single six-component sensor range, realizes the order that uses existing small-range sensor measurement super large tire six component, meet the needs of tyre of heavy truck and aircraft tyre mechanical property testing.
Shown in accompanying drawing 6, described simulated roadway 14 can adopt different simulated roadways, can use flat rubber belting formula road surface 15Replace, flat rubber belting formula road surface does not have the impact of curvature, for measuring tire six component in flat road surface.
Shown in accompanying drawing 7, the definite plane A (section, road surface) in rotary drum road surface is X-axis with the intersection of tire split B,And cross tire ground connection trace center P point; Y-axis was P point and perpendicular to tire split B, represented side force of tire direction;Z axis was P point and perpendicular to section, road surface A, represented tire vertical force direction.
This device is work like this, and simulated roadway and tire 12 are contacted with P point and produce tire force, and tire 12 is arranged on wheelOn the load maintainer 13 of tire location, tire force passes to tire location load maintainer 13 by tire 12, and tire location adds carrier aircraftStructure 13 is arranged on loading plate 8, and tire location load maintainer 13 passes to loading plate 8 tire force, and loading plate 8 is by sixComponent sensor 1, six-component sensor 26 and single component sensor 10 support, and loading plate 8 passes to three tire forceIndividual sensor, realizes and uses existing small-range sensor measurement super large tire six component.
Shown in accompanying drawing 8, concrete tire six component resolve as follows:
After tire 12 is arranged on the load maintainer 13 of tire location, when tire 12 does not contact with simulated roadway 14, carry outSensor zero clearing. After sensor zero clearing, tire 12 is established after contacting with rotary drum road surface 14:
Six component that six-component sensor 1 is subject to are Fx1/Fy1/Fz1/Mx1/My1/Mz1
Six component that six-component sensor 26 is subject to are Fx2/Fy2/Fz2/Mx2/My2/Mz2
Single component that single component sensor 10 is subject to is Fz3
The six component Fx/Fy/Fz/Mx/My/Mz that tire is subject to are
Fx=Fx1+Fx2;
Fy=Fy1+Fy2;
Fz=Fz1+Fz2+Fz3;
Mx=Mx1+Mx2+Fz3*b;
My=My1+My2+(Fz2-Fz1)*a;
Mz=Mz1+Mz2+(Fy1-Fy2)*a。

Claims (5)

1. eliminate six points of force test devices of tire of unbalance loading, this device and tire location load maintainer, simulated roadway oneRise and form tire mechanical property testing platform, realize the measurement of six points of force characteristics of tire; It is characterized in that: this device comprise base,2 pillars, 2 six-component sensors, 1 single component sensor, 4 ball pivots, a loading plate, described pillar one (2)Be fixed on base (1) above with pillar two (5), six-component sensor one (3) and six-component sensor two (6) are solid respectivelyFix on pillar one (2) and pillar two (5) above, ball pivot one (4) and ball pivot two (7) upper ends and loading plate (8) are connected,Lower end is connected with six-component sensor one (3) and six-component sensor two (6) respectively; Tire location load maintainer (13)Be arranged on loading plate (8);
Described ball pivot three (9) upper ends and loading plate (8) are connected, single component sensor (10) upper end and ball pivot three (9)Be connected, its lower end and ball pivot four (11) are connected, and ball pivot four (11) is fixed on base (1); Ball pivot three (9), single pointPower sensor (10), ball pivot four (11) form two vertical rods.
2. a kind of six points of force test devices of tire of eliminating unbalance loading according to claim 1, is characterized in that: described inBall pivot one (4), ball pivot two (7) be symmetricly set on tire ground connection trace center P both sides, tire ground connection trace center PAt the mid point of ball pivot one center and ball pivot two lines of centres, six-component sensor one (3) and six-component sensor two (6)Calibration point respectively with the center superposition of ball pivot one and ball pivot two, thereby acting on of producing can eliminate tire rolling in test timeSide force, longitudinal force and the vertical load at ground connection trace center is dynamically inclined to one side to six-component sensor one and six-component sensor twoCarry.
3. a kind of six points of force test devices of tire of eliminating unbalance loading according to claim 1, is characterized in that: described inBall pivot three (9), single component sensor (10), ball pivot four (11) be arranged on loading plate (8) and above tire location and addMounted mechanism (13) center of gravity below, restriction loading plate (8) rotates around ball pivot one center and ball pivot two lines of centres, and eliminating shouldDevice loading plate (8) and the gravity of tire mounted thereto location load maintainer (13) own produce to six-component sensorOne and the static unbalance loading of six-component sensor two.
4. a kind of six points of force test devices of tire of eliminating unbalance loading according to claim 2, is characterized in that: described inBall pivot one, ball pivot two be symmetricly set on tire ground connection trace center P both sides, each six-component sensor is only subject to tire and connectsThe half of trace center, ground tire force, makes existing small-range sensor can measure super large tire six component.
5. a kind of six points of force test devices of tire of eliminating unbalance loading according to claim 1, is characterized in that: described mouldIntend pavement device and adopt two kinds of forms, comprise rotary drum simulated roadway peace belt simulated roadway.
CN201521074688.4U 2015-12-22 2015-12-22 Eliminate six component testing arrangement on tire of unbalance loading Expired - Fee Related CN205246358U (en)

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Application Number Priority Date Filing Date Title
CN201521074688.4U CN205246358U (en) 2015-12-22 2015-12-22 Eliminate six component testing arrangement on tire of unbalance loading

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Application Number Priority Date Filing Date Title
CN201521074688.4U CN205246358U (en) 2015-12-22 2015-12-22 Eliminate six component testing arrangement on tire of unbalance loading

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105606380A (en) * 2015-12-22 2016-05-25 吉林大学 Tyre six-component force testing device for eliminating unbalance loading
CN109406034A (en) * 2018-12-03 2019-03-01 中汽研(常州)汽车工程研究院有限公司 A kind of novel six-component sensor lateral components

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105606380A (en) * 2015-12-22 2016-05-25 吉林大学 Tyre six-component force testing device for eliminating unbalance loading
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
CN109406034A (en) * 2018-12-03 2019-03-01 中汽研(常州)汽车工程研究院有限公司 A kind of novel six-component sensor lateral components
CN109406034B (en) * 2018-12-03 2024-03-08 中汽研汽车检验中心(常州)有限公司 Six-component force sensor outer side assembly

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160518

Termination date: 20211222

CF01 Termination of patent right due to non-payment of annual fee