CN207300595U - A kind of novel tire Constrained mode test device - Google Patents
A kind of novel tire Constrained mode test device Download PDFInfo
- Publication number
- CN207300595U CN207300595U CN201721195675.1U CN201721195675U CN207300595U CN 207300595 U CN207300595 U CN 207300595U CN 201721195675 U CN201721195675 U CN 201721195675U CN 207300595 U CN207300595 U CN 207300595U
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- Prior art keywords
- tire
- test device
- jack
- constrained mode
- mode test
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- 238000012360 testing method Methods 0.000 title claims abstract description 39
- 230000001133 acceleration Effects 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 239000011324 bead Substances 0.000 claims description 7
- 238000013016 damping Methods 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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- Force Measurement Appropriate To Specific Purposes (AREA)
- Tires In General (AREA)
Abstract
The utility model discloses a kind of novel tire Constrained mode test device, including setting the rack of tire, the jack for applying load to the tire, for fixing the tire and by rigidity rope, the force snesor for monitoring the tire force and the acceleration transducer for testing the tire vibration mode signals in the load transmission that the jack applies to the tire, the jack is fixed on the rack, and the extending direction of the central axis of the tire and the Impact direction of the tire are perpendicular.The novel tire Constrained mode test device is simple in structure, easy to use, can stressing conditions of the accurate simulation tire under real vehicle state, and frequency, the vibration shape and damping of the tire under Constrained mode can be tested.
Description
Technical field
It the utility model is related to auto NVH technical field, and in particular to a kind of novel tire Constrained mode test device.
Background technology
Vehicle is that power occurs with road surface by unique parts-tire to act on, and therefore, the mechanical characteristic of tire is to determine
One of or influence the important mechanical characteristic of vehicle dynamics characteristics.With the continuous improvement of modern vehicle speed, the active of vehicle
Security, noise, driving dynamics and riding comfort occupy more and more important position in vehicle performance, and tyre noise is
One of main source as ambient noise, mitigate the vibration of tire becomes mesh to reduce noise and improve road holding
Preceding urgent task.And the inherent characteristic of tire directly affects the vibration and noise of tire and vehicle, therefore, study of tire shakes
Rational design of the dynamic characteristic to tire is of great significance, and is also beneficial to improve the quality of tire.But in the prior art, tire
Due to being limited on real vehicle by space, sensor can not be installed and carry out mould measurement；At the same time in existing mould measurement device,
There are the problem of power hammer can not tap tire some directions during mode hammering.
Utility model content
The purpose of this utility model is to provide a kind of novel tire Constrained mode test dress for the problems of the prior art
Put.
To reach above-mentioned purpose, the technical solution adopted in the utility model is：
A kind of novel tire Constrained mode test device, including the rack of tire is set, is carried for applying to the tire
The jack of lotus, for fix the tire and by the load transmission that the jack applies to the tire rigidity rope,
For monitoring the force snesor of the tire force and acceleration transducer for testing the tire vibration mode signals, institute
State jack to be fixed on the rack, the Impact direction of the extending direction of the central axis of the tire and the tire
It is perpendicular.
Preferably, the force snesor is fixed on the rack, and the test device further includes pallet, the power
Sensor support is arranged on the pallet in the lower section of the pallet, the tire.
Further, the pallet is equipped with is fastened on the card slot with the matched card slot of the tire, the tire
In.
Further, the force snesor has four, and four force snesors are separately positioned on four of the pallet
At angle.
Preferably, the center of the tire has axis hole, and the rigidity rope connects the tire and institute through the axis hole
State jack.
Preferably, the one end of the jack is fixed on the rack, and the rigidity rope is fixed on the jack
The other end.
Preferably, the rack has work top, and the tire is located at the top of the work top, the jack
Positioned at the lower section of the work top, it is fixed at the top of the jack on the table top, the rigidity rope is fixed on described
The bottom of jack, the work tops of the both sides of the tire be equipped be used for for the rigidity rope through through hole.
Preferably, when the rigidity rope is in tensioning state but does not produce pretightning force, the jack is in minimum stroke
State.
Preferably, the tire includes wheel hub and the tyre bead being arranged on the wheel hub, and the acceleration transducer is equipped with
Multiple, multiple acceleration transducers are separately positioned on the outer surface of the wheel hub and the tyre bead.
Preferably, the test device further includes to be arranged on and is used to show the aobvious of the tire force numerical value on the rack
Show device.
Due to the utilization of above-mentioned technical proposal, the utility model has following advantages compared with prior art：This practicality is new
The novel tire Constrained mode test device of type is simple in structure, easy to use, can accurate simulation tire under real vehicle state
Stressing conditions, and frequency, the vibration shape and damping of the tire under Constrained mode can be tested.
Brief description of the drawings
Attached drawing 1 is the stereogram of the novel tire Constrained mode test device of the utility model；
Attached drawing 2 is the front view of the novel tire Constrained mode test device of the utility model；
Attached drawing 3 is the side view of the novel tire Constrained mode test device of the utility model；
Attached drawing 4 is the top view of the novel tire Constrained mode test device of the utility model.
Wherein：1st, rack；11st, stent；12nd, work top；2nd, jack；3rd, rigidity rope；4th, force snesor；5th, acceleration
Sensor；6th, pallet；61st, card slot；7th, display；100th, tire；101st, axis hole.
Embodiment
The technical solution of the utility model is further elaborated below in conjunction with the accompanying drawings.
As shown in Fig. 1 ~ Fig. 4, the novel tire Constrained mode test device of the utility model include rack 1, jack 2,
Rigidity rope 3, force snesor 4 and acceleration transducer 5.
Rack 1 is used for the tire 100 for placing test, and rack 1 includes stent 11 and is fixed at the top of stent 11
Work top 12.
Jack 2 is used to apply load to tire 100, and jack 2 is equipped with handle 21, can be to wheel by operating handle 21
Tire 100 applies load.Rigidity rope 3 is used to fix tire 100, and the load that jack 2 applies is delivered to wheel from rigidity rope 3
On tire 100, and the direction of load born of tire 100 and the extending direction of the central axis of tire 100 are perpendicular.
Specifically, the center of tire 100 has axis hole 101, rigidity rope 3 is consolidated through its both ends after the axis hole 101 tension
It is scheduled on jack 2, in this way, the fixation of tire 100 can be realized by rigidity rope 3, will not on rigidity rope 3 in the state
Pretightning force is produced, jack 2 is at minimum stroke position.When operating the handle 21 of jack 2, jack 2 will be made
Stroke increase, and make 3 tensioning of rigidity rope, so as to apply pressure to tire 100.
Jack 2 is fixed on work top 12.In the present embodiment, jack 2 is located at the lower section of work top 12, it is pushed up
Portion is fixed on work top 12, its bottom is fixedly connected with rigidity rope 3.
Force snesor 4 is used to test stressing conditions of the tire 100 after jack 2 applies load, and in the present embodiment, power passes
Sensor 4 is fixed on work top 12, and positioned at the top of work top 12, the novel tire Constrained mode test device
Pallet 6 is further included, force snesor 4 is supported on the lower section of pallet 6, and tire 100 is arranged on pallet 6.
In the present embodiment, force snesor 4 is equipped with four, and four force snesors 4 are located at four angles of pallet 6 respectively, and four
The summation of a 4 measured forces of sensor is the size for the power that the tire 100 is born.
The novel tire Constrained mode test device further includes the display of the size for the power born for display of tyre 100
Device 7, display 7 are fixed on work top 12.
Card slot 61 matched with tire 100 is equipped with the middle part of pallet 6, tire 100 is fastened in the card slot 61, so
It can prevent rigidity rope 3 from occurring the phenomenon of 100 lateral deviation of tire in cinching process.
A through hole is respectively equipped with the work top 12 of the both sides of tire 100, which is used to wear rigidity rope 3,
The through hole can also position rigidity rope 3 at the same time.
Acceleration transducer 5 is used to testing the mode signals of tire vibration, and in the present embodiment, acceleration transducer 5 uses
Three-dimensional acceleration transducer, the three-dimensional acceleration transducer be equipped with it is multiple, tire 100 includes wheel hub and tyre bead, and multiple three-dimensionals add
Velocity sensor is separately positioned on the outer surface of wheel hub, tyre bead.When the size and tire 100 of the power that tire 100 is born are real
Border using when the power size born it is identical when, hammered into shape using power and tap 100 designated position of tire and can pass through acceleration transducer 5
Obtain the Mode Shape of tire 100.
The detailed process of Mode Shape using novel tire Constrained mode test device test tire is：
（1）Force snesor 4 is installed on work top 12, pallet 6 is placed on force snesor 4, then by tire 100
It is fastened in the card slot 61 of pallet 6, the top of jack 2 is fixed on to the lower section of work top 12, rigidity rope 3 is passed through into tire
The bottom of jack 2 is fixed on after 100 axis hole, rigidity rope 3 in the state being tightened up but not produces pretightning force at this time, and
Jack 2 is at minimum stroke position；
（2）The handle 21 of jack 2 is operated, rigidity restricts 3 pretensions so as to there is a downward pulling force to tire 100, and power passes
Sensor 4 monitors the value of thrust and is shown by display 7, and ongoing operation handle 21 is loaded to tire 100, until tire
The size of 100 pulling force born is equal with real vehicle state；
（3）Jack 2 keeps final stress state, and acceleration transducer 5 is arranged on the outer surface of wheel hub and tyre bead
Afterwards, any given position for tapping tire 100 is hammered into shape using power, the mode that tire 100 can be obtained by acceleration transducer 5 is shaken
Type.
The novel tire Constrained mode test device can accurately simulate tire 100 under real vehicle state institute's stress it is big
It is small, it is ensured that the mode accuracy of the tire 100 under test restrained condition, and solve and limited and can not be surveyed on real vehicle by space
The problem of trying the mode of tire 100, can match with vehicle for the exploitation of the tire 100 of early period and provide important evidence.
Above-described embodiment is only the technical concepts and features for illustrating the utility model, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and be carried out, the scope of protection of the utility model can not be limited with this,
All equivalent change or modifications made according to the utility model Spirit Essence, should all cover in the scope of protection of the utility model
It is interior.
Claims (10)
- A kind of 1. novel tire Constrained mode test device, it is characterised in that：Including setting the rack of tire, for the wheel Tire applies the jack of load, for fixing the tire and by the load transmission that the jack applies to the tire Rigidity rope, the force snesor for monitoring the tire force and the acceleration for testing the tire vibration mode signals pass Sensor, the jack are fixed on the rack, the extending direction of the central axis of the tire and the tire Impact direction is perpendicular.
- 2. novel tire Constrained mode test device according to claim 1, it is characterised in that：The force snesor is fixed It is arranged on the rack, the test device further includes pallet, and the force snesor is supported on the lower section of the pallet, described Tire is arranged on the pallet.
- 3. novel tire Constrained mode test device according to claim 2, it is characterised in that：The pallet be equipped with The matched card slot of tire, the tire are fastened in the card slot.
- 4. novel tire Constrained mode test device according to claim 2, it is characterised in that：The force snesor has four A, four force snesors are separately positioned at four angles of the pallet.
- 5. novel tire Constrained mode test device according to claim 1, it is characterised in that：The center tool of the tire There is axis hole, the rigidity rope connects the tire and the jack through the axis hole.
- 6. novel tire Constrained mode test device according to claim 1, it is characterised in that：One end of the jack Portion is fixed on the rack, and the rigidity rope is fixed on the other end of the jack.
- 7. novel tire Constrained mode test device according to claim 1, it is characterised in that：The rack has work Table top, the tire are located at the top of the work top, and the jack is located at the lower section of the work top, described very heavy It is fixed at the top of top on the table top, the rigidity rope is fixed on the bottom of the jack, the institute of the both sides of the tire State work top be equipped be used for for it is described rigidity rope through through hole.
- 8. novel tire Constrained mode test device according to claim 1, it is characterised in that：The rigidity rope, which is in, to be opened Tight state but when not producing pretightning force, the jack is in minimum stroke state.
- 9. novel tire Constrained mode test device according to claim 1, it is characterised in that：The tire includes wheel hub With the tyre bead being arranged on the wheel hub, the acceleration transducer be equipped with it is multiple, multiple acceleration transducers are set respectively Put on the outer surface of the wheel hub and the tyre bead.
- 10. novel tire Constrained mode test device according to claim 1, it is characterised in that：The test device is also It is used for the display for showing the tire force numerical value on the rack including being arranged on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195675.1U CN207300595U (en) | 2017-09-19 | 2017-09-19 | A kind of novel tire Constrained mode test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721195675.1U CN207300595U (en) | 2017-09-19 | 2017-09-19 | A kind of novel tire Constrained mode test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207300595U true CN207300595U (en) | 2018-05-01 |
Family
ID=62442786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721195675.1U Expired - Fee Related CN207300595U (en) | 2017-09-19 | 2017-09-19 | A kind of novel tire Constrained mode test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207300595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607332A (en) * | 2017-09-19 | 2018-01-19 | 清华大学苏州汽车研究院（相城） | A kind of novel tire Constrained mode test device |
-
2017
- 2017-09-19 CN CN201721195675.1U patent/CN207300595U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607332A (en) * | 2017-09-19 | 2018-01-19 | 清华大学苏州汽车研究院（相城） | A kind of novel tire Constrained mode test device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180501 Termination date: 20210919 |