CN209624081U - A kind of automobile driving axle dynamic vibration absorber performance testing device - Google Patents
A kind of automobile driving axle dynamic vibration absorber performance testing device Download PDFInfo
- Publication number
- CN209624081U CN209624081U CN201920327408.8U CN201920327408U CN209624081U CN 209624081 U CN209624081 U CN 209624081U CN 201920327408 U CN201920327408 U CN 201920327408U CN 209624081 U CN209624081 U CN 209624081U
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- China
- Prior art keywords
- vibration absorber
- dynamic vibration
- firm banking
- plate
- mounting
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Abstract
The utility model discloses a kind of automobile driving axle dynamic vibration absorber performance testing devices, including firm banking and mounting bracket, firm banking and mounting bracket are made of steel, firm banking is fixedly mounted on the ground by foundation bolt, mounting bracket is installed on the fixed base, mounting bracket is equipped with mounting base, and dynamic vibration absorber is socketed on the driving shaft, and the end of drive shaft is mounted in mounting base.On the driving shaft by dynamic vibration absorber installation, drive shaft is mounted in the test device, is tested drive shaft power bump leveller performance, passes through the test to performance in design early period, it is optimal drive shaft with dynamic vibration absorber to match, is conducive to the automobile that the later period produces high quality；The design of test device is tested so that the performance test of drive shaft power bump leveller need not be put on vehicle, can repeatedly be tested in bench test in development phase, more rapidly can efficiently find the problem and solve the problems, such as, the development cycle is shortened.
Description
Technical field
The utility model belongs to auto NVH modulation technique field, and in particular to a kind of automobile driving axle dynamic vibration absorber
It can test device.
Background technique
With the development of the automobile industry, in order to promote product quality and quality, the development cycle for shortening vehicle promotes vehicle
Comfort and texture reduce Vehicular vibration and noise, and NVH performance is most important, match automobile driving axle in development phase early period
Dynamic vibration absorber frequency is particularly important, and the matching of drive shaft power bump leveller frequency can be correctly alleviated and eliminated significantly since automobile drives
Problem brought by the matching of moving axis bump leveller is bad will lead to vehicle vibration if the matching of drive shaft power bump leveller frequency is incorrect
Car feels the uncomfortable problem for having roar to cause occupant when dynamic obvious and acceleration.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of structures simply, user
Just automobile driving axle dynamic vibration absorber performance testing device, which is used for development phase early period, to automobile driving axle
The matching of dynamic vibration absorber frequency carries out multi-scheme verifying and modulation, shortens the development cycle, avoids because of drive shaft power bump leveller frequency
Rate matches incorrect bring vibration problem.
To achieve the above object, a kind of the technical solution of the utility model are as follows: automobile driving axle dynamic vibration absorber performance survey
Trial assembly is set, including firm banking and mounting bracket, and the firm banking is fixedly mounted on the ground by foundation bolt, installation branch
Frame is installed on the fixed base, and mounting bracket is equipped with mounting base, and the end of drive shaft is mounted in mounting base, firm banking and
Mounting bracket is made of steel.
Further, the mounting bracket is symmetricly set on the both ends of firm banking, and mounting bracket is slidably connected at solid
Determine on pedestal.
Further, the mounting bracket includes that mounting base, support plate I and mounting plate, mounting plate are connected to firm banking
On, one end of support plate I is connect with mounting plate, and the other end of support plate I connects mounting base.
Further, the support plate I is vertical with mounting plate connects and composes L-type structure, the top of mounting plate and firm banking
Plate fitting.
Further, the mounting plate is equipped with sliding slot, and the top plate of firm banking is equipped with guide blot, mounting plate and top
Plate fitting, guide blot passes through sliding slot and fastening nut cooperates.
Further, the guide blot and sliding slot are clearance fit, and the sideline of sliding slot is equipped with graduation mark, and mounting plate is logical
It crosses guide blot and sliding slot, fastening nut cooperation is slidably connected on the top plate of firm banking.
Further, the mounting base includes upper fixed lid and lower fixed lid, and support plate I is connected in support plate I, upper solid
Fixed lid is connected by fixing bolt and lower fixed lid.
Further, it is equipped with soft bushing between fixed lid and lower fixed lid, the both ends of drive shaft are plugged on
Soft bushing is mounted in mounting base in turn.
Further, the firm banking includes top plate and bottom plate and support plate II, and one end of support plate II and top plate connect
It connects, the other end of support plate II is connect with bottom plate, and mounting bracket is connected on top plate, and bottom plate is fixedly connected on the ground.
The advantages of using technical solutions of the utility model are as follows:
1, the design of the utility model test device is for use in development phase early period, in design early period by property
Can test, be optimal drive shaft with dynamic vibration absorber and match, be conducive to the automobile that the later period produces high quality；Test dress
The design set is tested so that the performance test of drive shaft power bump leveller need not be put on vehicle, in development phase
It is repeatedly tested in bench test, different vehicles can be corresponded to, multi-scheme verifying is carried out to the dynamic vibration absorber of drive shaft
And modulation, it more rapidly can efficiently find the problem solve the problems, such as in this way, shorten the development cycle.
2, the test device of the utility model is applicable to different vehicles, carries out to the dynamic vibration absorber of drive shaft multi-party
Case verifying and modulation, more rapidly can efficiently find the problem and solve the problems, such as, shorten the development cycle, can be right in the NVH debugging stage
The performance of every kind of dynamic vibration absorber, state, drive shaft is reasonably matched and is verified corresponding to frequency.
3, the test device of the utility model is directed to the drive shaft of different thicknesses, and installation bore is adjustable, for difference
The drive shaft of length can also carry out growing short-range adjusting, and mounting plate upper hopper chute can help more preferable in test with graduation mark
Confirmation position and distance, measured by graduation mark, it can be ensured that the accuracy of adjusting, improve test quality.
4, the test and debugging that the utility model can carry out intrinsic frequency to drive shaft power bump leveller goes out suitable frequency
Range, can also Test driver axis optical axis itself mode, the matching of Lai Jinhang dynamic vibration absorber, to modulate optimum state
Drive shaft carries out the verifying of real vehicle, to eliminate vibration and the noise of vehicle.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments:
Fig. 1 is the overall structure diagram of the utility model test device.
Fig. 2 is the enlarged diagram that the utility model shows mounting bracket.
Fig. 3 is the structural schematic diagram of the utility model test device tune long status.
Fig. 4 is the structural schematic diagram of the utility model test device tune short status.
Label in above-mentioned figure is respectively as follows: 1, firm banking；2, mounting bracket；21, mounting base；22, support plate I；23, pacify
Loading board；3, dynamic vibration absorber；4, drive shaft.
Specific embodiment
In the present invention, it is to be understood that term " length ", " width ", "upper", "lower", "front", "rear",
"left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " clockwise ", " counterclockwise ", " axial direction ", " plane side
To ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching
State the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with
Specific orientation construction and operation, therefore should not be understood as limiting the present invention.
As shown in Figures 1 to 4, a kind of automobile driving axle dynamic vibration absorber performance testing device, including firm banking 1 and peace
Bracket 2 is filled, firm banking 1 and mounting bracket 2 are made of steel, and firm banking 1 is fixedly mounted on ground by foundation bolt
On, mounting bracket 2 is mounted on firm banking 1, and mounting bracket 2 is equipped with mounting base 21, and dynamic vibration absorber 3 is socketed in drive shaft
On 4, the end of drive shaft 4 is mounted in mounting base 21.Dynamic vibration absorber 3 is mounted in drive shaft 4, drive shaft 4 is mounted on
In the test device, drive shaft power bump leveller performance is tested, for example, Test driver axis dynamic vibration absorber frequency whether
Matching is correct, and the design of the test device is for use in development phase early period, in design early period by the test to performance,
It is optimal drive shaft with dynamic vibration absorber to match, is conducive to the automobile that the later period produces high quality；The design of test device,
Tested so that the performance test of drive shaft power bump leveller need not be put on vehicle, development phase can be in bench test
It is upper repeatedly to be tested, different vehicles can be corresponded to, multi-scheme verifying and modulation are carried out to the dynamic vibration absorber of drive shaft, in this way
It more rapidly can efficiently find the problem and solve the problems, such as, shorten the development cycle.
The test device includes two mounting brackets 2, and mounting bracket 2 is symmetricly set on the both ends of firm banking 1, is installed
Bracket 2 is slidably connected on firm banking 1, and the spacing between two mounting brackets 2 at 1 both ends of firm banking is adjustable, this
Sample can be suitable for the drive shaft of different length, can meet a variety of drive shaft power bump leveller performance tests, be applicable in different vehicles
Type.
Mounting bracket 2 includes mounting base 21, support plate I 22 and mounting plate 23, and mounting plate 23 is connected on firm banking 1,
One end of support plate I 22 is connect with mounting plate 23, and the other end of support plate I 22 connects mounting base 21.Support plate I 22 and mounting plate
23 vertically connect and compose L-type structure, and mounting plate 23 is bonded with the top plate 11 of firm banking 1.
Mounting plate 23 is equipped with sliding slot 231, and the top plate 11 of firm banking 1 is equipped with guide blot 111, mounting plate 23 and top
Plate 11 is bonded, and guide blot 111 passes through sliding slot 231 and fastening nut 112 cooperates, and guide blot 111 is matched with sliding slot 231 for gap
It closes, mounting plate 23 cooperates the top plate for being slidably connected at firm banking 1 by guide blot 111 and sliding slot 231, fastening nut 112
On 11, fastening nut 112 is loosened, mounting plate 23 is slided relative to top plate 11.The sideline of sliding slot 231 is equipped with graduation mark 232, when
When testing the drive shaft of different length, need to adjust the relative distance between two mounting brackets 2, i.e. mounting plate 23 is opposite
It is slided in top plate 11, that specifically slides is calculated according to the actual situation apart from size, and is measured by graduation mark 232,
To ensure the accuracy adjusted, test quality is improved.
Mounting base 21 includes that upper fixed lid 211 and lower fixed lid 212, support plate I 22 are connected in support plate I 22, upper solid
Determine lid 211 to connect by fixing bolt 213 with lower fixed lid 212, be equipped between upper fixed lid 211 and lower fixed lid 212 soft
Matter bushing 214, the both ends of drive shaft 4 are plugged on soft bushing 214 and then are mounted in mounting base 21.Due to upper fixed lid
It is attached between 211 and lower fixed lid 212 by bolt, fixing above can be close between lid 211 and lower fixed lid 212
Fitting can also there are gaps, can be suitable for the drive shaft of different thicknesses in this way, when drive shaft is thick, fixed lid 211 with
There is gap between lower fixed lid 212, for the size in gap depending on drive shaft fineness, the length of fixing bolt 213 can also
It is adjusted according to specific needs；The size of soft bushing 214 is depending on drive shaft fineness, such as when drive shaft is meticulous
When can be by increasing the thickness of soft bushing 214, to ensure that upper fixed lid 211 and lower fixed lid 212 can will drive axle clamp
Tightly；Just the soft bushing 214 of major diameter is selected when drive shaft is excessively thick, in addition, soft bushing 214 also acts as the effect of vibration isolation, is improved
The accuracy of test result.
Firm banking 1 includes top plate 11, bottom plate 12 and support plate II 13, and one end of support plate II 13 is connect with top plate 11,
The other end of support plate II 13 is connect with bottom plate 12, and mounting bracket 2 is connected on top plate 11, and bottom plate 12 is fixed by foundation bolt
On the ground, ground herein can for hard steel plate or the cement floor that meets the technical standards, guarantee flatness for connection.
The test device of the utility model is applicable to different vehicles, carries out multi-scheme to the dynamic vibration absorber of drive shaft
Verifying and modulation, more rapidly can efficiently find the problem and solve the problems, such as, shorten the development cycle, can be to every in the NVH debugging stage
Drive shaft corresponding to the performance, state, frequency of dynamic vibration absorber is planted reasonably to be matched and verified.In addition, test device
For the drive shaft of different thicknesses, install that bore is adjustable, for different length drive shaft can also carry out growing it is short-range
It adjusts, mounting plate upper hopper chute can help preferably to confirm position and distance in test with graduation mark.
The utility model is exemplarily described in conjunction with attached drawing above, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, as long as using the improvement for the various unsubstantialities that technical solutions of the utility model carry out, or without changing
Directly apply to other occasions by the conception and technical scheme of the utility model, the protection scope of the utility model it
It is interior.
Claims (9)
1. a kind of automobile driving axle dynamic vibration absorber performance testing device, it is characterised in that: including firm banking (1) and installation branch
Frame (2), the firm banking (1) are fixedly mounted on the ground by foundation bolt, and mounting bracket (2) is mounted on firm banking
(1) on, mounting bracket (2) is equipped with mounting base (21), and the end of drive shaft (4) is mounted on mounting base (21), firm banking
(1) it is made with mounting bracket (2) of steel.
2. a kind of automobile driving axle dynamic vibration absorber performance testing device as described in claim 1, it is characterised in that: the peace
Dress bracket (2) is symmetricly set on the both ends of firm banking (1), and mounting bracket (2) is slidably connected on firm banking (1).
3. a kind of automobile driving axle dynamic vibration absorber performance testing device as claimed in claim 2, it is characterised in that: the peace
Filling bracket (2) includes mounting base (21), support plate I (22) and mounting plate (23), and mounting plate (23) is connected to firm banking (1)
On, one end of support plate I (22) is connect with mounting plate (23), and the other end of support plate I (22) connects mounting base (21).
4. a kind of automobile driving axle dynamic vibration absorber performance testing device as claimed in claim 3, it is characterised in that: the branch
Fagging I (22) is vertical with mounting plate (23) to connect and compose L-type structure, top plate (11) patch of mounting plate (23) and firm banking (1)
It closes.
5. a kind of automobile driving axle dynamic vibration absorber performance testing device as claimed in claim 4, it is characterised in that: the peace
Loading board (23) is equipped with sliding slot (231), and the top plate (11) of firm banking (1) is equipped with guide blot (111), mounting plate (23) with
Top plate (11) fitting, guide blot (111) pass through sliding slot (231) and fastening nut (112) and cooperate.
6. a kind of automobile driving axle dynamic vibration absorber performance testing device as claimed in claim 5, it is characterised in that: described to lead
It is clearance fit to bolt (111) and sliding slot (231), the sideline of sliding slot (231) is equipped with graduation mark (232), mounting plate (23)
The top plate (11) of firm banking (1) is slidably connected at by guide blot (111) and sliding slot (231), fastening nut (112) cooperation
On.
7. a kind of automobile driving axle dynamic vibration absorber performance testing device as described in claim 3 to 6 any one, feature
Be: the mounting base (21) includes upper fixed lid (211) and lower fixed lid (212), and support plate I (22) is connected to support plate I
(22) on, upper fixed lid (211) is connect by fixing bolt (213) with lower fixed lid (212).
8. a kind of automobile driving axle dynamic vibration absorber performance testing device as claimed in claim 7, it is characterised in that: on described
Soft bushing (214) are equipped between fixed lid (211) and lower fixed lid (212), the both ends of drive shaft (4) are plugged on soft lining
Set (214) is mounted on mounting base (21) in turn.
9. a kind of automobile driving axle dynamic vibration absorber performance testing device as claimed in claim 8, it is characterised in that: described solid
Determining pedestal (1) includes top plate (11), bottom plate (12) and support plate II (13), and one end and top plate (11) of support plate II (13) are even
It connects, the other end of support plate II (13) is connect with bottom plate (12), and mounting bracket (2) is connected on top plate (11), and bottom plate (12) is solid
Fixed connection is on the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327408.8U CN209624081U (en) | 2019-03-15 | 2019-03-15 | A kind of automobile driving axle dynamic vibration absorber performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920327408.8U CN209624081U (en) | 2019-03-15 | 2019-03-15 | A kind of automobile driving axle dynamic vibration absorber performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209624081U true CN209624081U (en) | 2019-11-12 |
Family
ID=68456859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920327408.8U Expired - Fee Related CN209624081U (en) | 2019-03-15 | 2019-03-15 | A kind of automobile driving axle dynamic vibration absorber performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209624081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738210A (en) * | 2019-03-15 | 2019-05-10 | 浙江众泰汽车制造有限公司 | A kind of automobile driving axle dynamic vibration absorber performance testing device and its test method |
-
2019
- 2019-03-15 CN CN201920327408.8U patent/CN209624081U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738210A (en) * | 2019-03-15 | 2019-05-10 | 浙江众泰汽车制造有限公司 | A kind of automobile driving axle dynamic vibration absorber performance testing device and its test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20200315 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |