CN205001430U - Dynamic vibration absorber - Google Patents
Dynamic vibration absorber Download PDFInfo
- Publication number
- CN205001430U CN205001430U CN201520738159.3U CN201520738159U CN205001430U CN 205001430 U CN205001430 U CN 205001430U CN 201520738159 U CN201520738159 U CN 201520738159U CN 205001430 U CN205001430 U CN 205001430U
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- mounting disc
- vibration absorber
- damping portion
- dynamic vibration
- vibration damping
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Abstract
The utility model discloses a dynamic vibration absorber for NVH capability test, wherein, this dynamic vibration absorber includes: the packing has the damping portion of inhaling the material that shakes, counterweight portion can dismantle with one side of damping portion and be connected, first installing support can be dismantled with the opposite side of damping portion and be connected, and the second installing support, through cooperateing with first installing support, install on the automobile parts who needs the damping. The utility model discloses a counterweight portion can dismantle with damping portion and be connected, when the different automobile parts of test, and the damping portion and the counterweight portion of removable difference, damping portion and counterweight portion are variable, can realize that whole dynamic vibration absorber's frequency is variable, so this dynamic vibration absorber is applicable to different test positions, and the commonality improves. In addition, counterweight portion and damping portion are separable, the installation and the dismantlement work of the test of being convenient for.
Description
Technical field
The utility model relates to auto parts and components field tests, particularly relates to a kind of dynamic vibration absorber.
Background technique
Along with the raising of people's quality of the life, good NVH performance becomes the important indicator of people to automobile evaluation.And cause a major reason of Vehicular vibration to be resonance between component.For the flexure vibrations of automobile power-transmission system, the flexure vibrations of automobile power-transmission system are the flexural resonance phenomenons of the Power Train produced when extraneous energizing frequency equals the intrinsic beam frequency of system.It to the vibration of vehicle and internal car noise important, even can cause the earlier period damage of vehicle component in very large band limits, reduces the driving safety of vehicle.
Dynamic vibration absorber is as the important vibration damping means of automobile, and the versatility of dynamic vibration absorber is significant to automobile research.
Model utility content
The utility model provides a kind of dynamic vibration absorber, can change own frequency, is applicable to the vibration damping demand of different component, solves existing dynamic vibration absorber frequency and fixes, the problem of poor universality.
According to an aspect of the present utility model, provide a kind of dynamic vibration absorber, for NVH testing property, wherein, this dynamic vibration absorber comprises:
Be filled with the vibration damping portion of vibration-absorbing material;
Counterweight part, removably connects with the side in vibration damping portion;
First mounting bracket, removably connects with the opposite side in vibration damping portion; And,
Second mounting bracket, by matching with the first mounting bracket, being installed on and needing on the auto parts and components of vibration damping.
Alternatively, this vibration damping portion comprises:
The first mounting disc be oppositely arranged and the second mounting disc;
Block rubber, the side of block rubber is fixedly connected with the first mounting disc, and the opposite side of block rubber is fixedly connected with the second mounting disc.
Alternatively, counterweight part comprises:
3rd mounting disc, removably connects with the first mounting disc;
Balancing weight, is fixed in the 3rd mounting disc.
Alternatively, the first mounting bracket comprises:
4th mounting disc, removably connects with the second mounting disc;
Installation sheet, is fixed in the 4th mounting disc.
Alternatively, the mounting portion of installation sheet is arc.
The beneficial effect of embodiment of the present utility model is:
Counterweight part and the vibration damping portion of this dynamic vibration absorber removably connect, when testing different auto parts and components, replaceable different vibration damping portion and counterweight part, vibration damping portion and counterweight part variable, the changeable frequency of whole dynamic vibration absorber can be realized, therefore this dynamic vibration absorber is applicable to different test positions, and versatility improves.In addition, counterweight part and vibration damping portion separable, be convenient to test installation and removal work.
Accompanying drawing explanation
Fig. 1 represents the structural representation of dynamic vibration absorber of the present utility model.
Wherein in figure: 1, vibration damping portion, 2, counterweight part, the 3, first mounting bracket, the 4, second mounting bracket;
11, the first mounting disc, the 12, second mounting disc, 13, block rubber;
21, the 3rd mounting disc, 22, balancing weight;
31, the 4th mounting disc, 32, installation sheet.
Embodiment
Below with reference to accompanying drawings exemplary embodiment of the present utility model is described in more detail.Although show exemplary embodiment of the present utility model in accompanying drawing, however should be appreciated that can realize the utility model in a variety of manners and not should limit by the embodiment that sets forth here.On the contrary, provide these embodiments to be in order to more thoroughly the utility model can be understood, and complete for scope of the present utility model can be conveyed to those skilled in the art.
As shown in Figure 1, embodiment of the present utility model provides a kind of dynamic vibration absorber, and for NVH testing property, wherein, this dynamic vibration absorber comprises: vibration damping portion 1, counterweight part 2, first mounting bracket 3 and the second mounting bracket 4.
Wherein, vibration damping portion 1 is filled with vibration-absorbing material.Counterweight part 2 removably connects with the side in vibration damping portion 1, and for adapting to different positions, vibration damping portion 1 that can be different from rigidity by counterweight parts 2 different for quality combines, to adapt to the auto parts and components of different vibration frequency.In addition, counterweight part 2 is separable with vibration damping portion 1, is convenient to actual assembling and dismounting.
In order to install flexibly with auto parts and components, the first mounting bracket 3 removably connects with the opposite side in vibration damping portion 1; Vibration damping portion 1 and counterweight part 2, by matching with the first mounting bracket 3, are installed on and need on the auto parts and components of vibration damping by the second mounting bracket 4.
Vibration damping portion 1 and the counterweight part 2 of this dynamic vibration absorber removably connect, when testing different auto parts and components, replaceable different vibration damping portion 1 and counterweight part 2, vibration damping portion 1 is variable with counterweight part 2, the changeable frequency of whole dynamic vibration absorber can be realized, therefore this dynamic vibration absorber is applicable to different test positions, and versatility improves.In addition, vibration damping portion 1 is separable with counterweight part 2, is convenient to the installation and removal work tested.
Alternatively, this vibration damping portion 1 specifically comprises: the first mounting disc 11 and the second mounting disc 12 be oppositely arranged; Be arranged at the block rubber 13 between the first mounting disc 11 and the second mounting disc 12.The side of block rubber 13 is fixedly connected with the first mounting disc 11, and the opposite side of block rubber 13 is fixedly connected with the second mounting disc 12.Preferably, the two ends difference sulfuration of block rubber 13 is on the side that the first mounting disc 11 is relative with the second mounting disc 12.It is worthy of note, other are fixedly connected with mode and are also applicable to block rubber 13 and the connection between the first mounting disc 11 and the second mounting disc 12, such as bonding etc.
Alternatively, counterweight part 2 comprises: the 3rd mounting disc 21 and balancing weight 22, and wherein, balancing weight 22 is fixed in the 3rd mounting disc 21, and concrete means of fixation does not limit, as welding, bonding etc.3rd mounting disc 21 is for removably connecting with the first mounting disc 11, to realize the various combination mode in counterweight part 2 and vibration damping portion 1, concrete Placement does not limit, and can adopt the modes that removably connects such as conventional being spirally connected, spin.
Alternatively, the first mounting bracket 3 comprises: the 4th mounting disc 31 and installation sheet 32.Wherein, installation sheet 32 is fixed in the 4th mounting disc 31, and the second mounting bracket 4 matches with this installation sheet 32, is fixed on auto parts and components.Wherein the 4th mounting disc 31 is for removably connecting with the second mounting disc 12, so that assembling and dismantlement work.
Alternatively, conveniently clamping, the mounting portion of installation sheet 32 is arc, and the mounting portion of the second corresponding mounting bracket 4 is also arc, like this, is matched with the second mounting bracket 4 by installation sheet 32, can by dynamic vibration absorber clamping on auto parts and components.Wherein, the second mounting bracket 4 by screw connection manner and installation sheet 32 in mating connection fixing.
To sum up, vibration damping portion 1 and the counterweight part 2 of dynamic vibration absorber of the present utility model removably connect, when testing different auto parts and components, replaceable different vibration damping portion 1 and counterweight part 2, vibration damping portion 1 is variable with counterweight part 2, can realize the changeable frequency of whole dynamic vibration absorber, therefore this dynamic vibration absorber is applicable to different test positions, and versatility improves.In addition, counterweight part and vibration damping portion separable, be convenient to test installation and removal work.
Above-described is preferred implementation of the present utility model; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite described in the utility model, these improvements and modifications are also in protection domain of the present utility model.
Claims (5)
1. a dynamic vibration absorber, for NVH testing property, is characterized in that, comprising:
Be filled with the vibration damping portion of vibration-absorbing material;
Counterweight part, removably connects with the side in described vibration damping portion;
First mounting bracket, removably connects with the opposite side in described vibration damping portion; And,
Second mounting bracket, by matching with described first mounting bracket, being installed on and needing on the auto parts and components of vibration damping.
2. dynamic vibration absorber according to claim 1, is characterized in that, described vibration damping portion comprises:
The first mounting disc be oppositely arranged and the second mounting disc;
Block rubber, the side of described block rubber is fixedly connected with described first mounting disc, and the opposite side of described block rubber is fixedly connected with described second mounting disc.
3. dynamic vibration absorber according to claim 2, is characterized in that, described counterweight part comprises:
3rd mounting disc, removably connects with described first mounting disc;
Balancing weight, is fixed in described 3rd mounting disc.
4. the dynamic vibration absorber according to Claims 2 or 3, is characterized in that, described first mounting bracket comprises:
4th mounting disc, removably connects with described second mounting disc;
Installation sheet, is fixed in described 4th mounting disc.
5. dynamic vibration absorber according to claim 4, is characterized in that, the mounting portion of described installation sheet is arc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738159.3U CN205001430U (en) | 2015-09-22 | 2015-09-22 | Dynamic vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520738159.3U CN205001430U (en) | 2015-09-22 | 2015-09-22 | Dynamic vibration absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205001430U true CN205001430U (en) | 2016-01-27 |
Family
ID=55158318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520738159.3U Active CN205001430U (en) | 2015-09-22 | 2015-09-22 | Dynamic vibration absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205001430U (en) |
-
2015
- 2015-09-22 CN CN201520738159.3U patent/CN205001430U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |