CN109211584B - A kind of steering wheel assembly vibration mechine - Google Patents
A kind of steering wheel assembly vibration mechine Download PDFInfo
- Publication number
- CN109211584B CN109211584B CN201811004227.8A CN201811004227A CN109211584B CN 109211584 B CN109211584 B CN 109211584B CN 201811004227 A CN201811004227 A CN 201811004227A CN 109211584 B CN109211584 B CN 109211584B
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- steering wheel
- vibration
- wheel assembly
- support shaft
- vibration excitor
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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
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/06—Multidirectional test stands
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
The present invention provides a kind of steering wheel assembly vibration mechines, it includes mechanism for testing, sensor and processing unit, mechanism for testing includes vibration excitor, support device, support shaft, shake table and steering wheel erecting bed, support shaft is horizontally disposed, support shaft is connected with support device, and vibration excitor is arranged in support shaft；The direction of excitation of vibration excitor is vertical with support shaft, and shake table is connected with the connecting rod of vibration excitor, and connecting rod is vertically arranged with support shaft；The mounting surface parallel with horizontal plane is provided on shake table, steering wheel erecting bed is arranged on mounting surface, and the mounting rod for being connected with steering wheel assembly is provided on steering wheel erecting bed, and sensor is arranged on steering wheel assembly, and sensor is connected with processing unit.Steering wheel assembly vibration mechine of the invention, can conveniently realize the vibration-testing to steering wheel assembly.
Description
Technical field
The present invention relates to automobile steering system technical fields, and in particular to a kind of steering wheel assembly vibration mechine.
Background technique
Automobile is indispensable tool in Modern Traffic transportational process, and steering wheel is portion indispensable in automobile
Part, driver is realized the steering of automobile by steering wheel or straight-line travelling function.Existing automobile is generally equipped with substitute
Capsule, air bag are usually clamped and form steering wheel assembly on the steering wheel.As performance requirement of the people to automobile is higher and higher,
Steering wheel assembly is assemblied on vehicle, and vibration must satisfy requirement, it is therefore desirable to which the vibration to steering wheel assembly is surveyed
How examination, in order to improve, and test the vibration of steering wheel assembly, become those skilled in the art's skill urgently to be solved
Art problem.
Summary of the invention
The object of the present invention is to provide a kind of steering wheel assembly vibration mechine, with realize the vibration to steering wheel assembly into
Row test.
To achieve the above object, the present invention provides the following technical scheme that
A kind of steering wheel assembly vibration mechine comprising mechanism for testing, sensor and processing unit, the test machine
Structure includes vibration excitor, support device, support shaft, shake table and steering wheel erecting bed, and the support shaft is horizontally disposed, the branch
Support axis is connected with the support device, and the vibration excitor is arranged in the support shaft；The direction of excitation of the vibration excitor and institute
State that support shaft is vertical, the shake table is connected with the connecting rod of the vibration excitor, and the connecting rod is vertically arranged with the support shaft；Institute
It states and is provided with the mounting surface parallel with horizontal plane on shake table, the steering wheel erecting bed is arranged on the mounting surface, institute
The mounting rod being provided on steering wheel erecting bed for being connected with steering wheel assembly is stated, the sensor is arranged in the steering wheel
On assembly, the sensor is connected with the processing unit.
Preferably, the mechanism for testing further includes the lockable mechanism for being limited to the support shaft, the support
Axis and the support device are rotatablely connected, the vibration excitor have the connecting rod it is in a vertical position when the first operating position and
The second operating position when the connecting rod is in a horizontal position；The first mounting plane and the second installation are provided on the shake table
Plane, when the vibration excitor is in first operating position, first mounting plane is the mounting surface；Swash described
When vibration device is in second operating position, second mounting plane is the mounting surface.
Preferably, the support device includes the first support frame and the second support frame being oppositely arranged, first support
Frame and second support frame are vertically arranged；It is provided on first support frame for turning with the first end of the support shaft
First supported hole of dynamic cooperation is provided with for being rotatably assorted with the second end of the support shaft on second support frame
Two supported holes；The vibration excitor is between first support frame and second support frame.
Preferably, the lockable mechanism include lock pin, the limited block that is arranged at first supported hole, the limit
It is provided with through-hole corresponding with first supported hole on block, is provided with described in confession in the circumferential direction of the first end of the support shaft
The first perforation that lock pin passes through, is provided with the first limit hole and the second limit hole on the limited block；The vibration excitor is located at
When first operating position, first perforation is opposite with first limit hole, and the vibration excitor is located at second work
When making position, first perforation is opposite with second limit hole.
Preferably, second perpendicular with first perforation is additionally provided in the circumferential direction of the first end of the support shaft to wear
Hole.
Preferably, the limited block is rectangular block, and first limit hole is arranged in the horizontal side of the limited block,
Second limit hole is arranged on the vertical side of the limited block.
It preferably, further include microphone and soundproof room, the mechanism for testing is arranged in the soundproof room, the Mike
Wind is arranged on the inner wall of the soundproof room, and the microphone is connected with the processing unit.
Preferably, the microphone is arranged on the inner wall of the soundproof room opposite with the steering wheel assembly.
Preferably, the microphone includes the first microphone and second microphone, is in described first in the vibration excitor
When operating position, first microphone is opposite with the steering wheel assembly；Second working position is in the vibration excitor
When setting, the second microphone is opposite with the steering wheel assembly.
Preferably, installation inclined-plane is provided on the steering wheel erecting bed, the mounting rod is arranged on the installation inclined-plane
On.
The beneficial effects of the present invention are:
Steering wheel assembly vibration mechine of the invention, by vibration excitor generate vibration, via connecting rod, shake table,
Steering wheel erecting bed passes to steering wheel assembly, and the vibration information of steering wheel assembly can be passed to processing unit by sensor,
The rumble spectrum that steering wheel assembly can be obtained after the information that processing unit processes sensor passes are come, is supplied to operator,
To realize the test of the vibration to steering wheel assembly more conveniently.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
It needs attached drawing to be used to be briefly described, and specific embodiments of the present invention will be made further specifically in conjunction with attached drawing
It is bright, wherein
Fig. 1 is the schematic diagram of steering wheel assembly vibration mechine provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of mechanism for testing provided in an embodiment of the present invention；
Fig. 3 is schematic diagram when vibration excitor provided in an embodiment of the present invention is in the first operating position；
Fig. 4 is schematic diagram when vibration excitor provided in an embodiment of the present invention is in the second operating position；
Fig. 5 is another schematic diagram when vibration excitor provided in an embodiment of the present invention is in the second operating position.
It is attached marked in the figure:
11, the first support frame 12, the second support frame 21, vibration excitor 22, support shaft
23, connecting rod 31, shake table 311, the first mounting plane 312, the second mounting plane
41, steering wheel erecting bed 411, mounting rod
412, inclined-plane 51, steering wheel assembly 61, sensor 71, processing unit are installed
81, limited block 811, the first limit hole 812, the second limit hole 813, horizontal side
814, vertical side 82, lock pin 91, microphone
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with specific embodiment pair
This programme is further discussed in detail.
As shown in Figures 1 to 5, the embodiment of the invention provides a kind of steering wheel assembly vibration mechines comprising test
Mechanism, sensor 61 and processing unit 71, mechanism for testing include vibration excitor 21, support device, support shaft 22, shake table 31 with
And steering wheel erecting bed 41, support shaft 22 is horizontally disposed, and support shaft 22 is connected with support device, and vibration excitor 21 is arranged in support shaft
On 22；The direction of excitation of vibration excitor 21 is vertical with support shaft 22, and shake table 31 is connected with the connecting rod 23 of vibration excitor 21, connecting rod 23 with
Support shaft 22 is vertically arranged；The mounting surface parallel with horizontal plane is provided on shake table 31, the setting of steering wheel erecting bed 41 exists
On mounting surface, the mounting rod 411 for being connected with steering wheel assembly 51 is provided on steering wheel erecting bed 41, sensor 61 is arranged
On steering wheel assembly, sensor 61 is connected with processing unit 71.It is understood that sensor 61 can pass through harness and place
It manages unit 71 to be connected, processing unit 71 can handle the vibration information for the steering wheel assembly 51 that the transmitting of sensor 61 comes, and export
The rumble spectrum of steering wheel assembly is supplied to operator, so that operator obtains the Vibration Condition of steering wheel assembly 51, with
Steering wheel assembly 51 is improved convenient for operator；The direction of excitation of vibration excitor 21 is identical as the axis direction of connecting rod 23；
Vibration excitor 21 can produce different excitations, so that operator passes through direction disc assembly vibration mechine, it being capable of the side of obtaining
To Vibration Condition of the disc assembly under different excitations.
Steering wheel assembly vibration mechine provided in an embodiment of the present invention, the vibration generated by vibration excitor 21, via
Connecting rod 23, shake table 31, steering wheel erecting bed 41 pass to steering wheel assembly 51, and sensor can be by the vibration of steering wheel assembly
Information passes to processing unit, and the vibration frequency of steering wheel assembly can be obtained after the information that processing unit processes sensor passes are come
Spectrum, is supplied to operator, to realize the test of the vibration to steering wheel assembly more conveniently.Meanwhile direction disk
Assembly vibration mechine structure is simple, easy to use.
In another embodiment provided by the invention, mechanism for testing can also include for being limited to support shaft 22
Lockable mechanism, support shaft 22 and support device are rotatablely connected, first work of the vibration excitor 21 with connecting rod 23 when in a vertical position
Make position and the second operating position when connecting rod 23 is in a horizontal position；311 He of the first mounting plane is provided on shake table 31
Second mounting plane 312, when vibration excitor 21 is in the first operating position, the first mounting plane 311 is mounting surface；In vibration excitor
21 be in the second operating position when, the second mounting plane 312 be mounting surface.Using this scheme, can measure respectively in vibration excitor
21 be in above-mentioned two operating position when, the Vibration Condition of steering wheel assembly 51 allows the operator to the side of being best understood from
To Vibration Condition of the disc assembly 51 in the case where being motivated by difference on different directions, so that the vibration of steering wheel assembly 51 obtains more
Comprehensive test.It is understood that the rotation connection between support shaft 22 and support device, can make vibration excitor 21 first
It is switched between operating position and the second operating position, lockable mechanism can reach the first operating position or in vibration excitor 21
Behind two operating positions, locking is carried out to support shaft 22, avoids rotating again between support shaft 22 and support device.
Specifically, support device may include the first support frame 11 and the second support frame 12 being oppositely arranged, the first support
Frame 11 and the second support frame 12 are vertically arranged；It is provided on first support frame 11 for matching with the rotation of the first end of support shaft 22
The first supported hole closed is provided with the second support for being rotatably assorted with the second end of support shaft 22 on the second support frame 12
Hole；Vibration excitor 21 is between the first support frame 11 and the second support frame 12, to be realized by simple support device to branch
The support of axis 22 is supportted, and realizes the rotation connection between support device and support shaft 22.
Further, lockable mechanism may include lock pin 82, the limited block being arranged at the first supported hole 81, limited block
It is provided with through-hole corresponding with the first supported hole on 81, is provided in the circumferential direction of the first end of support shaft 22 and is worn for lock pin 82
First crossed is perforated, and is provided with the first limit hole 811 and the second limit hole 812 on limited block 81；Vibration excitor 21 is located at the first work
When making position, the first perforation is opposite with the first limit hole 811；When vibration excitor 21 is located at the second operating position, the first perforation and the
Two limit holes 812 are opposite, so that the structure of lockable mechanism is simple, it is easy to use, it is more reliable to the locking of support shaft 22.
It is understood that when vibration excitor 21 is located at the first operating position, as shown in figure 3, lock pin 82 is penetrated the first limit hole
811, in the first perforation, the locking to support shaft 22 can be realized；When vibration excitor 21 is in the second operating position, such as Fig. 4
It is shown, lock pin 82 is penetrated in the perforation of the second limit hole 812, first, the locking to support shaft 22 can be realized.
In order to carry out preferably locking to support shaft 22, it is also provided in the circumferential direction of the first end of support shaft 22
Lock pin 82 is penetrated the thus when vibration excitor 21 is located at the first operating position with perpendicular second perforation of the first perforation
In the perforation of one limit hole 811, first, while the second perforation at this time is opposite with the second limit hole 812, can use spacer pin and penetrates
In the perforation of second limit hole 812, second；When vibration excitor 21 is located at the second operating position, lock pin 82 is penetrated into the second limit hole
812, in the first perforation, while the second perforation at this time is opposite with the first limit hole 811, can use spacer pin and penetrates the first limit
In the perforation of hole 811, second, so that the position-limit mechanism is more reliable to the locking of support shaft 22.
As shown in Figures 2 to 4, limited block 81 can be rectangular block, and the level of limited block 81 is arranged in the first limit hole 811
On side 813, the second limit hole 812 is arranged on the vertical side 814 of limited block 81, so that the structure letter of limited block 81
It is single, the first limit hole 811 and the second limit hole 812 it is easy to process.
In another embodiment provided by the invention, direction disc assembly vibration mechine can also include 91 He of microphone
Soundproof room, mechanism for testing are arranged in soundproof room, and microphone 91 is arranged on the inner wall of soundproof room, microphone 91 and processing unit
71 are connected.By this scheme, it is single that the vibration loudness information of collected steering wheel assembly 51 can be passed to processing by microphone 91
Member, to obtain the vibration loudness data of steering wheel assembly 51 after processing unit processes；It meanwhile being in soundproof room
It carries out, influence of the interference to detection data of various other sound under real vehicle state is efficiently avoided, so that the direction
The data of the vibration loudness for the steering wheel assembly 51 that disc assembly vibration mechine measures are more accurate, and under real vehicle state, right
The vibration loudness of steering wheel assembly 51 is more inconvenient.It is understood that soundproof room is not shown in Fig. 1；Microphone 91 can lead to
Harness is crossed to be connected with processing unit 71；The sound that the vibration loudness of steering wheel assembly 51, i.e. steering wheel vibration assembly 51 issue when vibrating
It rings, which can react the assembling quality of air bag on the steering wheel, and vibration loudness needs are met the requirements, ability
Better meet the driver comfort of driver.
Specifically, microphone 91 can be set on the inner wall of the soundproof room opposite with steering wheel assembly 51, so as to
More precisely measure the vibration loudness of steering wheel assembly 51.
Further, microphone may include the first microphone and second microphone, be in the first work in vibration excitor 21
When position, the first microphone and steering wheel assembly 51 are opposite；When vibration excitor 21 is in the second operating position, second microphone with
Steering wheel assembly 51 is opposite.In this way when vibration excitor 21 is in the first operating position, first Mike's wind direction processing unit 71 is utilized
The vibration loudness information of direction of transfer disc assembly 51, second microphone does not work at this time；Vibration excitor 21 is in the second operating position
When, using second microphone to the vibration loudness information of 71 direction of transfer disc assembly 51 of processing unit, the first microphone is not at this time
Work, so that enabling to the survey of the vibration loudness of steering wheel assembly 51 at two operating positions of vibration excitor 21
It is more accurate to measure.It is understood that the first microphone is arranged when vibration excitor 21 is in the first operating position, it is total with steering wheel
On inner wall at 51 opposite soundproof rooms；Second microphone is arranged when vibration excitor 21 is in the second operating position, with steering wheel
On the inner wall of the opposite soundproof room of assembly 51；It is of course also possible to using a microphone, but it is different in vibration excitor 21
When operating position, it is necessary to which the installation site for replacing microphone can be only achieved said effect.
As shown in figure 5, installation inclined-plane 412 can be set on steering wheel erecting bed 41, the setting of mounting rod 411 is oblique in installation
On face 412, so that installation condition of the steering wheel assembly 51 on shake table 31 is identical as real vehicle state, so that processing
The data that unit 71 obtains are more reliable.It should be noted that when vibration excitor 21 is in the first operating position, as shown in figure 3,
Direction of excitation is straight up that is, connecting rod 23 is in a vertical position, and it is total to steering wheel in a first direction for can defining at this time
It is tested at 51 vibration and vibration loudness；When vibration excitor 21 is in the second operating position, direction of excitation be horizontally to the right,
I.e. connecting rod 23 is in a horizontal position, and in a manner of installing inclined-plane 412 away from vibration excitor 21, carries out steering wheel erecting bed 41 and vibration
When the installation of platform 31, as shown in figure 4, being defined as the vibration to steering wheel assembly 51 in a second direction and vibration loudness progress
Test, and to install the inclined-plane mode opposite with the first support frame or the second support frame, carry out steering wheel erecting bed 41 and vibration
When the installation of platform 31, the vibration and vibration loudness being defined as on third direction to steering wheel assembly 51 are tested, and can be incited somebody to action
Above-mentioned first direction, second direction and third direction are expressed as Z-direction, X-direction, Y-direction, so that the direction
Disc assembly vibration mechine can test the vibration and vibration for obtaining steering wheel assembly 51 on above three direction under different excitations
Sound of something astir degree.
The above is only the preferred embodiment of the present invention, it should be pointed out that these embodiments are merely to illustrate the present invention
Rather than limit the scope of the invention, moreover, after reading the contents of the present invention, relevant technical staff in the field can be with
Various changes or modification are made to the present invention, such equivalent forms equally fall into model defined by the application the appended claims
It encloses.
Claims (8)
1. a kind of steering wheel assembly vibration mechine, which is characterized in that it includes mechanism for testing, sensor and processing unit,
The mechanism for testing includes vibration excitor, support device, support shaft, shake table and steering wheel erecting bed, and the support shaft is horizontal
Setting, the support shaft are connected with the support device, and the vibration excitor is arranged in the support shaft；The vibration excitor swashs
Shaking, direction is vertical with the support shaft, and the shake table is connected with the connecting rod of the vibration excitor, the connecting rod and the support shaft
It is vertically arranged；The mounting surface parallel with horizontal plane is provided on the shake table, the steering wheel erecting bed is arranged described
On mounting surface, the mounting rod for being connected with steering wheel assembly, the sensor setting are provided on the steering wheel erecting bed
On the steering wheel assembly, the sensor is connected with the processing unit；
The mechanism for testing further includes the lockable mechanism for being limited to the support shaft, the support shaft and the support
Device rotation connection, the vibration excitor have the connecting rod it is in a vertical position when the first operating position and the connecting rod be in
The second operating position when horizontal position；The first mounting plane and the second mounting plane are provided on the shake table, described
When vibration excitor is in first operating position, first mounting plane is the mounting surface；Institute is in the vibration excitor
When stating the second operating position, second mounting plane is the mounting surface；
The steering wheel assembly vibration mechine further includes microphone and soundproof room, and the mechanism for testing is arranged in the soundproof room
Interior, the microphone is arranged on the inner wall of the soundproof room, and the microphone is connected with the processing unit.
2. steering wheel assembly vibration mechine according to claim 1, which is characterized in that the support device includes opposite
The first support frame and the second support frame being arranged, first support frame and second support frame are vertically arranged；Described
The first supported hole for being rotatably assorted with the first end of the support shaft is provided on one support frame, on second support frame
It is provided with the second supported hole for being rotatably assorted with the second end of the support shaft；The vibration excitor is located at first support
Between frame and second support frame.
3. steering wheel assembly vibration mechine according to claim 2, which is characterized in that the lockable mechanism includes locking
The limited block sold, be arranged at first supported hole is provided on the limited block corresponding with first supported hole
Through-hole, is provided with the first perforation passed through for the lock pin in the circumferential direction of the first end of the support shaft, on the limited block
It is provided with the first limit hole and the second limit hole；When the vibration excitor is located at first operating position, it is described first perforation with
First limit hole is opposite, when the vibration excitor is located at second operating position, first perforation and second limit
Position hole is opposite.
4. steering wheel assembly vibration mechine according to claim 3, which is characterized in that the first end of the support shaft
Second perforation perpendicular with first perforation is additionally provided in circumferential direction.
5. steering wheel assembly vibration mechine according to claim 3, which is characterized in that the limited block is rectangular block,
First limit hole is arranged in the horizontal side of the limited block, and the perpendicular of the limited block is arranged in second limit hole
In straight sided.
6. steering wheel assembly vibration mechine according to claim 1, which is characterized in that microphone setting with institute
On the inner wall for stating the opposite soundproof room of steering wheel assembly.
7. steering wheel assembly vibration mechine according to claim 6, which is characterized in that the microphone includes the first wheat
Gram wind and second microphone, when the vibration excitor is in first operating position, first microphone and the direction
Disc assembly is opposite；When the vibration excitor is in second operating position, the second microphone and the steering wheel assembly
Relatively.
8. steering wheel assembly vibration mechine according to any one of claims 1 to 7, which is characterized in that the steering wheel
Installation inclined-plane is provided on erecting bed, the mounting rod is arranged on the installation inclined-plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004227.8A CN109211584B (en) | 2018-08-30 | 2018-08-30 | A kind of steering wheel assembly vibration mechine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811004227.8A CN109211584B (en) | 2018-08-30 | 2018-08-30 | A kind of steering wheel assembly vibration mechine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109211584A CN109211584A (en) | 2019-01-15 |
| CN109211584B true CN109211584B (en) | 2019-11-26 |
Family
ID=64986370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811004227.8A Active CN109211584B (en) | 2018-08-30 | 2018-08-30 | A kind of steering wheel assembly vibration mechine |
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| Country | Link |
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| CN (1) | CN109211584B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109752076A (en) * | 2019-01-17 | 2019-05-14 | 中航环试测试技术(深圳)有限公司 | A kind of vibration abnormal sound test macro |
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| CN102323027A (en) * | 2011-08-12 | 2012-01-18 | 三一重机有限公司 | Mining self-unloading vehicle oil gas suspension vibration testing stand |
| CN102519692A (en) * | 2011-11-28 | 2012-06-27 | 重庆长安汽车股份有限公司 | Rigid-body mode integration test method for automobile power assembly and suspension |
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| Publication number | Publication date |
|---|---|
| CN109211584A (en) | 2019-01-15 |
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