CN107290148A - Drive shaft NVH testboard bay - Google Patents
Drive shaft NVH testboard bay Download PDFInfo
- Publication number
- CN107290148A CN107290148A CN201710639033.4A CN201710639033A CN107290148A CN 107290148 A CN107290148 A CN 107290148A CN 201710639033 A CN201710639033 A CN 201710639033A CN 107290148 A CN107290148 A CN 107290148A
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- CN
- China
- Prior art keywords
- drive shaft
- nvh
- drive
- testboard bay
- end segment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/028—Acoustic or vibration analysis
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- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of drive shaft NVH testboard bay, drive shaft NVH testboard bay includes：Drive device, support meanss and the first detection means, the drive device is suitable to be connected with the interior end segment of the drive shaft and allows the interior end segment of the drive shaft rotational angle in space, the drive device is suitable to drive the drive shaft to rotate around the axis of itself, the support meanss are suitable to the outer end segment for supporting the drive shaft, and first detection means is connected with the support meanss and for detecting the drive shaft axial force that interior end segment is produced in the process of running.Thus, by setting drive device, support meanss and the first detection means, can truly it reflect due to vehicle drive shaft NVH problems caused by the axial force of drive shaft, so as to avoid to the later stage just pinpointing the problems when vehicle is verified, simultaneously, also existing Bench test methods and the unmatched problem of whole vehicle state are can solve the problem that, so as to improve test data confidence level.
Description
Technical field
The present invention relates to technical field of measurement and test, a kind of more particularly to drive shaft NVH (Noise, Vibration,
Harshness- noises, vibration and sound vibration roughness) testboard bay.
Background technology
In correlation technique, existing Bench test methods be unable to angle of the analog-driven axle under whole vehicle state, rotating speed and
Moment of torsion, moreover, result of the test can not truly reflect due to vehicle drive shaft NVH problems caused by the axial force of drive shaft.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.Therefore, the present invention is carried
Go out a kind of drive shaft NVH testboard bay, drive shaft NVH testboard bay being capable of angle of the analog-driven axle under whole vehicle state
Degree, rotating speed and moment of torsion, moreover, result of the test can truly reflect due to vehicle drive shaft NVH caused by the axial force of drive shaft
Problem.
According to the drive shaft NVH of present invention testboard bay, drive shaft NVH testboard bay includes：Drive device, support
Device and the first detection means, the drive device are suitable to the drive shaft that is connected with the interior end segment of the drive shaft and allows
Interior end segment rotational angle in space, the drive device is suitable to drive the drive shaft to rotate around the axis of itself, the branch
Support arrangement is suitable to the outer end segment for supporting the drive shaft, and first detection means is connected with the support meanss and for detecting
The drive shaft axial force that interior end segment is produced in the process of running.
According to the drive shaft NVH of present invention testboard bay, by setting drive device, support meanss and the first detection to fill
Put, can angle, rotating speed and moment of torsion of the analog-driven axle under whole vehicle state, moreover, result of the test can truly reflect due to
Vehicle drive shaft NVH problems caused by the axial force of drive shaft, also, in the design process can be constantly excellent according to result of the test
Change, so as to lift NVH problems, and then can avoid to the later stage just pinpointing the problems when vehicle is verified, meanwhile, it can also solve
Certainly existing Bench test methods and the unmatched problem of whole vehicle state, so as to improve test data confidence level.
Alternatively, drive shaft NVH testboard bay also includes：For recording the drive device output torque and rotating speed
Tape deck, working condition of the drive shaft in process of the test can be recorded out by so setting, and can also be simulated drive shaft and be existed
Rotation situation under whole vehicle state.
Further, the tape deck is used for the moment of torsion and rotating speed for recording the output shaft of the drive device, so sets
The working condition that can further appreciate that drive shaft in process of the test is put, drive shaft can also be preferably simulated in vehicle shape
Rotation situation under state.
Specifically, drive shaft NVH testboard bay also includes：Second detection device, the second detection device is arranged on
Between the drive device and the interior end segment of the drive shaft and for detecting the drive shaft interior end segment production in the process of running
Raw axial force, the NVH problems of vehicle can preferably be reflected by so setting, so as to further avoid the later stage in vehicle
Pinpointed the problems during checking.
Alternatively, the support meanss are bearing arrangement, can further improve the accuracy of test data.
Further, the position of the support meanss and first detection means is adjustable, so sets and disclosure satisfy that pair
Different length and the drive shaft progress simulated test from the horizontal by different angles, so as to expand drive shaft NVH survey
The use scope of test stand frame.
Specifically, drive shaft NVH testboard bay also includes：It is provided with supporting table, the supporting table for the support
Device and the slide rail of first detection means motion, so set the use for the testboard bay that can meet drive shaft NVH will
Ask..
Alternatively, drive shaft NVH testboard bay also includes：Controller, the controller is electrically connected with the drive device
Connect to control the drive device output torque and rotating speed, so set can make drive shaft NVH testboard bay simulate it is many
Whole vehicle state is planted, so as to the working range for the testboard bay for expanding drive shaft NVH.
Brief description of the drawings
Fig. 1 is the structural representation of drive shaft NVH according to embodiments of the present invention testboard bay.
Reference：
Drive shaft NVH testboard bay 10；
Drive device 1；Support meanss 2；First detection means 3；Drive shaft 4；Interior end segment 41；Outer end segment 42；Tape deck
5；Second detection device 6.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings.Below with reference to
The embodiment of accompanying drawing description is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
Drive shaft NVH according to embodiments of the present invention testboard bay 10 is described in detail below with reference to Fig. 1.Wherein,
Testboard bay 10 can be used for Test driver axle assembly.
As shown in figure 1, drive shaft NVH according to embodiments of the present invention testboard bay 10 includes：Drive device 1, support
The detection means 3 of device 2 and first, drive device 1 is suitable to be connected with the interior end segment 41 of drive shaft 4, and drive device 1 allows to drive
The interior end segment 41 of moving axis 4 rotational angle in space, drive device 1 is suitable to driving drive shaft 4 and rotated around the axis of itself, its
In, drive device 1 can be motor.Thus, drive device 1 can be supplied to the different moments of torsion and rotating speed of drive shaft 4, so that
Drive shaft 4 is set to be rotated under different moments of torsion and rotating speed, so being capable of analog-driven axle 4 moment of torsion and rotating speed under whole vehicle state
Situation of change.
Also, support meanss 2 are suitable to the outer end segment 42 of support drive shaft 4, support meanss 2 play a part of support, so
The state that the more preferable simulation of drive shaft 4 can be made to be worked under whole vehicle state, thereby may be ensured that drive shaft 4 can run well,
Meanwhile, the first detection means 3 is connected with support meanss 2, moreover, the first detection means 3 is used for the interior end segment 41 for detecting drive shaft 4
The axial force of generation, the axial force that interior end segment 41 is produced refers to the axially extending side along drive shaft 4 in rotation process of drive shaft 4
To, the first detection means 3 is capable of detecting when to simulate the axial force that drive shaft 4 under whole vehicle state passes to suspension system, so as to
Reflect NVH problems.Wherein, drive shaft 4 can be the assembly of drive shaft 4, and the angle that drive shaft 4 is rotated can also be adjusted.
Thus, by setting drive device 1, the detection means 3 of support meanss 2 and first, can analog-driven axle 4 in vehicle
Angle, rotating speed and moment of torsion under state, moreover, result of the test can truly reflect due to whole caused by the axial force of drive shaft 4
The NVH problems of car drive shaft 4, also, can be continued to optimize in the design process according to result of the test, so as to lift vehicle
NVH performances, and then can avoid to the later stage just pinpointing the problems when vehicle is verified, meanwhile, also can solve the problem that existing stand examination
Proved recipe method and the unmatched problem of whole vehicle state, so as to improve test data confidence level.
Alternatively, as shown in figure 1, drive shaft NVH testboard bay 10 can also include：It is defeated for recording drive device 1
Go out the tape deck 5 of moment of torsion and rotating speed, tape deck 5 is arranged between drive device 1 and drive shaft 4, and so setting can be every
When often engrave the output torque and rotating speed for recording out drive device 1, so as to record out work of the drive shaft 4 in process of the test
State, and then rotation situation of the drive shaft 4 under whole vehicle state can be simulated.
Further, tape deck 5 is used for the moment of torsion and rotating speed for recording the output shaft of drive device 1, can so enter one
The output shaft that step records out drive device 1 passes to the moment of torsion and rotating speed of drive shaft 4, so as to further appreciate that drive shaft 4
Working condition in process of the test, and then can preferably simulate rotation situation of the drive shaft 4 under whole vehicle state.
Specifically, as shown in figure 1, drive shaft NVH testboard bay 10 can also include：Second detection device 6, the second inspection
Survey device 6 to be arranged between drive device 1 and the interior end segment 41 of drive shaft 4, driven moreover, second detection device 6 is used to detect
The axial force that interior end segment 41 is produced in the process of running of axle 4, by the testing result of second detection device 6, can reflect drive
Moving axis 4 is transmitted to the size of the axial force of drive device 1, so as to preferably reflect the NVH problems of vehicle, and then can keep away
Exempt from the later stage to pinpoint the problems when vehicle is verified.
Alternatively, support meanss 2 are set to bearing arrangement, moreover, bearing arrangement is the wheel hub end bearing for simulating vehicle, this
Sample, which sets to simulate, makes drive shaft 4 be rotated under vehicle environment, also ensure that drive shaft 4 runs well, so as to enter
One step improves the accuracy of test data.But the invention is not restricted to this, support meanss 2 with bearing arrangement it can also be provided that play
Other devices of phase same-action.
Further, the position of the detection means 3 of support meanss 2 and first is adjustable, due to different vehicles, drive shaft 4
Length is different, moreover, the angle of drive shaft 4 and horizontal direction is also different, therefore, so sets and disclosure satisfy that to different length
Degree and the progress simulated test of drive shaft 4 from the horizontal by different angles, so as to expand drive shaft NVH testboard bay
10 use scope.
Specifically, drive shaft NVH testboard bay 10 can also include：It is provided with supporting table, supporting table for support dress
Put 2 and first detection means 3 move slide rail, when the length of drive shaft 4 of test is different with from the horizontal by angle, or
When the length of drive shaft 4 of test is different, or drive shaft 4 from the horizontal by angle it is different when, can so transfer support dress
Put 2 and first detection means 3 moved on slide rail, so as to be conveniently adjusted the position of the detection means 3 of support meanss 2 and first
Put, and then the use requirement of drive shaft NVH testboard bay 10 can be met.
Alternatively, drive shaft NVH testboard bay 10 can also include：Controller, controller is electrically connected with drive device 1
To control the output torque of drive device 1 and rotating speed, controller is by controlling the output torque of drive device 1 and rotating speed to simulate difference
Whole vehicle state under drive shaft 4 axially extend the size of direction axial force, drive shaft NVH testboard can be made by so setting
Frame 10 simulates a variety of whole vehicle states, so as to the working range for the testboard bay 10 for expanding drive shaft NVH.
The testboard bay 10 for learning about the drive shaft NVH of the embodiment of the present invention in detail below according to Fig. 1 is how to carry out
Work.
As shown in figure 1, the parts connected from left to right are followed successively by drive device 1, tape deck 5, second detection device
6th, drive shaft 4, the detection means 3 of support meanss 2 and first, the linkage record device 5 of interior end segment 41 of drive shaft 4 and the second detection are filled
Put 6, the outer connection of end segment 42 detection means 3 of support meanss 2 and first of drive shaft 4, moreover, the angle of interior end segment 41 of drive shaft 4 with
The outer angle of end segment 42 can be transferred, and the angle of drive shaft 4 under simulation whole vehicle state, controller control drive device 1 gives drive shaft 4
Decelerator is exported under output torque and rotating speed, simulation whole vehicle state moment of torsion and rotating speed, tape deck 5 record out drive device 1
The moment of torsion and rotating speed of output, support meanss 2 are arranged to bearing arrangement, for supporting drive shaft 4, simulate the hub end axle of vehicle
Hold, ensure that drive shaft 4 runs well, then, the first detection means 3 and second detection device 6 detect that drive shaft 4 is passed respectively
To dynamical system and the axial force of suspension system, NVH problems are measured according to result of the test.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described
Point is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the not be the same as Example or the feature of example and non-be the same as Example or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (8)
1. a kind of drive shaft NVH testboard bay, it is characterised in that including：
Drive device, the drive device is suitable to the interior end segment of the drive shaft that is connected with the interior end segment of the drive shaft and allows
The rotational angle in space, the drive device is suitable to drive the drive shaft to rotate around the axis of itself；
Support meanss, the support meanss are suitable to the outer end segment for supporting the drive shaft；
First detection means, first detection means is connected with the support meanss and for detecting the drive shaft in operation
During in end segment produce axial force.
2. drive shaft NVH according to claim 1 testboard bay, it is characterised in that also include：For recording the drive
The tape deck of dynamic device output torque and rotating speed.
3. drive shaft NVH according to claim 2 testboard bay, it is characterised in that the tape deck is used to record
The moment of torsion and rotating speed of the output shaft of the drive device.
4. drive shaft NVH according to claim 1 testboard bay, it is characterised in that also include：Second detection device,
The second detection device is arranged between the drive device and the interior end segment of the drive shaft and for detecting the driving
The axle axial force that interior end segment is produced in the process of running.
5. drive shaft NVH according to claim 1 testboard bay, it is characterised in that the support meanss fill for bearing
Put.
6. drive shaft NVH according to claim 1 testboard bay, it is characterised in that the support meanss and described
The position of one detection means is adjustable.
7. drive shaft NVH according to claim 6 testboard bay, it is characterised in that also include：Supporting table, the branch
The slide rail moved for the support meanss and first detection means is provided with support platform.
8. drive shaft NVH according to claim 1 testboard bay, it is characterised in that also include：Controller, the control
Device processed electrically connects to control the drive device output torque and rotating speed with the drive device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639033.4A CN107290148A (en) | 2017-07-31 | 2017-07-31 | Drive shaft NVH testboard bay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639033.4A CN107290148A (en) | 2017-07-31 | 2017-07-31 | Drive shaft NVH testboard bay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107290148A true CN107290148A (en) | 2017-10-24 |
Family
ID=60103834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710639033.4A Pending CN107290148A (en) | 2017-07-31 | 2017-07-31 | Drive shaft NVH testboard bay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107290148A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112067290A (en) * | 2020-08-28 | 2020-12-11 | 奇瑞新能源汽车股份有限公司 | New energy electric vehicle driving shaft vibration testing device, system and method |
| CN112834019A (en) * | 2020-12-28 | 2021-05-25 | 奇瑞汽车股份有限公司 | Vehicle driving shaft sheath abnormal sound testing device and testing method |
| CN112985673A (en) * | 2019-12-16 | 2021-06-18 | 北京新能源汽车股份有限公司 | Method, device and equipment for testing axial force of driving shaft |
| CN114112436A (en) * | 2021-11-26 | 2022-03-01 | 重庆理工大学 | Off-line type NVH (noise, vibration and harshness) evaluation system and evaluation method for electric drive assembly |
| CN114659805A (en) * | 2022-03-22 | 2022-06-24 | 东风柳州汽车有限公司 | Test method of automobile front transverse driving shaft assembly |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112985673A (en) * | 2019-12-16 | 2021-06-18 | 北京新能源汽车股份有限公司 | Method, device and equipment for testing axial force of driving shaft |
| CN112985673B (en) * | 2019-12-16 | 2022-08-30 | 北京新能源汽车股份有限公司 | Method, device and equipment for testing axial force of driving shaft |
| CN112067290A (en) * | 2020-08-28 | 2020-12-11 | 奇瑞新能源汽车股份有限公司 | New energy electric vehicle driving shaft vibration testing device, system and method |
| CN112834019A (en) * | 2020-12-28 | 2021-05-25 | 奇瑞汽车股份有限公司 | Vehicle driving shaft sheath abnormal sound testing device and testing method |
| CN114112436A (en) * | 2021-11-26 | 2022-03-01 | 重庆理工大学 | Off-line type NVH (noise, vibration and harshness) evaluation system and evaluation method for electric drive assembly |
| CN114659805A (en) * | 2022-03-22 | 2022-06-24 | 东风柳州汽车有限公司 | Test method of automobile front transverse driving shaft assembly |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171024 |
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| RJ01 | Rejection of invention patent application after publication |