CN107165981B - A kind of dynamic vibration absorber - Google Patents
A kind of dynamic vibration absorber Download PDFInfo
- Publication number
- CN107165981B CN107165981B CN201710366150.8A CN201710366150A CN107165981B CN 107165981 B CN107165981 B CN 107165981B CN 201710366150 A CN201710366150 A CN 201710366150A CN 107165981 B CN107165981 B CN 107165981B
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- Prior art keywords
- mounting
- mass block
- limiting section
- plate
- mounting hole
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of dynamic vibration absorbers, feature be include mounting bracket and mass block, mounting bracket includes a mounting plate, a position-limiting cover is provided on mounting plate, the opposite two sides of mounting plate are respectively arranged with and the perpendicular limited wall of mounting plate, an accommodating cavity is formed between mounting plate, position-limiting cover and limited wall, mass block is arranged in accommodating cavity, and the both ends of mass block pass through silicagel column respectively and are mounted on two limited walls.Advantage is the dynamic vibration absorber, structure is simple, mass block is installed on two limited walls by silicagel column, in addition to the installation direction of silicagel column, the direction of other two shearing silicagel column can also realize required effectiveness in vibration suppression, influencing the associated components of working frequency simultaneously is only mass block and silicagel column, suitable for using under low frequency operation state；In addition position-limiting cover is set on a mounting board, position-limiting action is played to mass block, guarantee mass block stablizes installation.
Description
Technical field
The present invention relates to a kind of auto parts and components, more particularly, to a kind of dynamic vibration absorber.
Background technique
For the components of automobile in working condition, abnormal vibrations caused by translation can seriously affect NVH performance, relax to vehicle
Adaptive impacts, and dynamic vibration absorber is an important component in automobile, is typically mounted on the vapour such as vehicle frame, chassis, steering wheel
On vehicle components, for reducing corresponding vibration, in the hope of the resonant belt of attenuating structure noise to the maximum extent, to meet vehicle
NVH performance.
The dynamic vibration absorber being commonly used in automobile at present generally comprises pedestal, mass block and rubber for installation
The both ends of block, rubber block are fixedly connected with pedestal and mass block respectively, the fatigue and whole effectiveness in vibration suppression one of dynamic vibration absorber
As be controlled by the structure and rigidity of rubber block, if it is desired to dynamic vibration absorber fatigue preferably, then rubber block must just be done
It is more sturdy, so become will lead to dynamic vibration absorber overall volume it is larger, occupy biggish installation space, while rubber block
More sturdy, rigidity will be relatively high, causes the working frequency of dynamic vibration absorber higher, is difficult under the working condition of low frequency
Play the role of absorbing；In addition, the dynamic vibration absorber operative orientation of traditional structure is single, vibration damping can only be generally played in a main direction
Effect.
Summary of the invention
That technical problem to be solved by the invention is to provide a kind of structures is simple, suitable for being used under low frequency operation state and
The dynamic vibration absorber of vibration damping on two required operative orientations can be achieved.
The technical scheme of the invention to solve the technical problem is:
A kind of dynamic vibration absorber, including mounting bracket and mass block, the mounting bracket includes a mounting plate, described
A position-limiting cover is provided on mounting plate, the opposite two sides of the mounting plate are respectively arranged with and the perpendicular limit of the mounting plate
Position wall forms an accommodating cavity, the mass block setting between the mounting plate, the position-limiting cover and the limited wall
In the accommodating cavity, the both ends of the mass block pass through respectively silicagel column be mounted on two described on limited wall.
The first mounting hole is provided on limited wall described in two, the side at the both ends of the mass block is respectively set
There is the second mounting hole, the second mounting hole described in each first mounting hole correspondence one forms mounting hole group, Mei Gesuo
Silicagel column described in being provided with one in the mounting hole group stated.By the first mounting hole being arranged on limited wall and it is arranged in matter
Second mounting hole of gauge block side, so that there is silicagel column stable installation to position, realizes mass block for installing silicagel column
Stablize installation.
Multiple first mounting holes, the quantity of second mounting hole and institute have been uniformly arranged on each limited wall
The quantity for the first mounting hole stated is equal.First mounting hole and the second mounting hole be it is multiple, multiple mounting hole groups are formed, so that matter
The installation of gauge block is more stable, while the first mounting hole and the second mounting hole are uniformly arranged, and makes each silicagel column uniform force, into
One step guarantees that stablizing for mass block is installed.
The both ends of the mass block are respectively arranged with installation cavity up and down, second mounting hole respectively with it is right
The installation cavity of position is answered to be connected.
The silicagel column includes front limit portion, middle section limiting section and the rear limiting section of coaxial arrangement, the front limit
The first mounting portion, the middle section limiting section and the rear limiting section are coaxially arranged between portion and the middle section limiting section
Between be coaxially arranged with the second mounting portion, the front limit portion is pre-small post-large rotary table, the rear limiting section, described
Middle section limiting section, first mounting portion and second mounting portion are cylindrical body, the front limit portion it is big straight
Diameter end connects with first mounting portion, and the maximum that the outer diameter of first mounting portion is less than the front limit portion is outer
Diameter, the outer diameter of first mounting portion are less than the outer diameter of the middle section limiting section, and the outer diameter of the middle section limiting section is big
In the outer diameter of second mounting portion, the outer diameter of the rear limiting section is greater than the outer diameter of second mounting portion, described
The outer diameter of the second mounting portion matched with the internal diameter of first mounting hole, the outer diameter of first mounting portion with it is described
The internal diameter of the second mounting hole match, the front limit portion is arranged in the installation cavity, first mounting portion
Be arranged in second mounting hole, the middle section limiting section be arranged in the limited wall and the mass block it
Between, second mounting portion is arranged in first mounting hole, and the limited wall is arranged in the rear limiting section
Outside.Installation cavity up and down is used to accommodate the front limit portion of silicagel column, and it is stable that above structure has silicagel column
Installation positioning, front limit portion is designed as pre-small post-large rotary table, can successfully sequentially pass through the first mounting hole convenient for silicagel column
It is installed with the second mounting hole, front limit portion, middle section limiting section and rear limiting section play position-limiting action to the installation of silicagel column,
So that mass block can be steadily mounted in accommodating cavity by silicagel column after being installed；Above-mentioned silica gel rod structure is simplified, in number
Reasonable setting in amount guarantees that bump leveller has excellent fatigue behaviour.
It is coaxially arranged with a pre-small post-large limit round table between the middle section limiting section and second mounting portion,
The larger diameter end of the limit round table connects with second mounting portion, the smaller diameter end of the limit round table with it is described
Middle section limiting section connect, the minimum diameter of the limit round table is equal with the outer diameter of middle section limiting section.The limit
Further position-limiting action is played in the setting of rotary table, while pre-small post-large limit round table is convenient for the smooth installation of silicagel column.
The rear end face of the rear limiting section is provided with the blind hole being recessed to the front limit portion direction, the blind hole
The central axis of central axis and the rear limiting section coincide.The setting of blind hole, so that it is empty in silicagel column, so that silica gel
Column provides lesser rigidity, the low frequency operation requirement of further satisfaction dynamic vibration absorber, so that the work frequency of the dynamic vibration absorber
Rate is less than 30Hz, while the blind hole provides when silicagel column is installed and squeezes space, convenient for the installation of silicagel column.
Silica gel ring, the central axis of the silica gel ring and second mounting hole are socketed on the mass block
Central axis is parallel.During the work time, position-limiting cover and mounting plate will receive the shock repeatedly of mass block to dynamic vibration absorber,
Silica gel ring plays the role of buffering noise reduction herein, avoids mass block and mounting plate and position-limiting cover from carrying out rigid impact, plays protection
Effect.
The card slot for installing silica gel ring is provided on the mass block, the silica gel ring is located at the card slot
It is interior.It is provided with the card slot to match with silica gel ring on mass block, so that silica gel ring is stabilized installation, avoids loosening.
The position-limiting cover includes the limit plate parallel with mounting plate, the top and bottom of the limit plate respectively to
The mounting plate direction is bent to form folded walls and lower folded walls, the upper folded walls and lower folded walls difference
Perpendicular to the mounting plate, the end of the upper folded walls is provided with positioning plate, and the end of the lower folded walls is set
It is equipped with lower positioning plate, is provided on the mounting plate on corresponding with the upper positioning plate and the lower positioning Board position
Positioning jack and lower positioning jack, the end of the upper positioning plate insertion upper positioning jack and the upper positioning plate
Stretch out the upper positioning jack, the end of the lower positioning plate insertion lower positioning jack and the lower positioning plate
Stretch out the lower positioning jack, the equal outward bending in end of the end of the upper positioning plate and the lower positioning plate is by institute
The position-limiting cover stated is installed on the mounting plate.Above structure realizes the assembly and connection of position-limiting cover and mounting plate, is convenient for two
A components carry out size Control, while being conducive to improve the durability of dynamic vibration absorber；Upper folded walls and the confrontation of lower folded walls
Gauge block plays the role of upper limit and lower limit；The equal outward bending in end of the end of upper positioning plate and lower positioning plate, using turning over
The mode of riveting is assembled, and structure is simple, easy for installation, avoids the normal work of exterior part interference mass block.
The upper end of the mounting plate is provided with mounting bracket, and the lower end of the mounting plate is provided with lower installation branch
Frame.Upper mounting bracket and lower mounting bracket are used to entire dynamic vibration absorber being installed to automobile, and structure is simple.
The mass block is cast iron, and the mounting plate and position-limiting cover are all made of Metal plate.Mass block uses cast iron,
For low frequency.
The centroid position of the mass block is provided with repeated hole.Match repeated hole by setting, it can be by the quality control of mass block
System is within ± the 5g that low frequency requires.
Compared with the prior art, the advantages of the present invention are as follows: the dynamic vibration absorber, structure is simple, by silicagel column by matter
Gauge block is installed on two limited walls, in addition to the direction of the installation direction of silicagel column, other two shearing silicagel column can also be realized
Required effectiveness in vibration suppression, while the associated components for influencing working frequency are only mass block and silicagel column, in certain frequency range
Interior debugging can be set about from the quality of mass block and the rigidity of silicagel column, and the feasibility of frequency adjustment is high, and easy to operate, needle
Low frequency can be debugged out accurately using 0.5Hz as the exemplar of gradient frequency, debugging range is wide, between 15Hz to 50Hz,
Suitable for being used under low frequency operation state；In addition position-limiting cover is set on a mounting board, position-limiting action is played to mass block, guarantees matter
Gauge block stable installation in the operating condition, it is ensured that the working clearance of mass block and safety clearance are eliminated to the dynamic vibration absorber
Installation environment introduce noise, insufficient space the problems such as；In addition the silica gel column performance of silica gel material is stablized, high/low temperature (- 40 DEG C ~
80 DEG C) for performance change no more than 30%, fatigue performance is better than other elastomers material, guarantee the excellent fatigue of dynamic vibration absorber
Performance.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram of silicagel column in the present invention；
Fig. 3 is schematic cross-sectional view of the invention；
Fig. 4 is the structural schematic diagram of mass block in the embodiment of the present invention two；
Fig. 5 is the structural schematic diagram that the embodiment of the present invention two removes position-limiting cover；
Fig. 6 is the structural schematic diagram of mounting bracket in the present invention；
Fig. 7 turns over riveting structural schematic diagram with what position-limiting cover cooperated for mounting bracket of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one: shown in as shown in Figure 1, Figure 2, Fig. 3, Fig. 6 and Fig. 7, a kind of dynamic vibration absorber, including mounting bracket and quality
Block 1, mounting bracket include a mounting plate 2, are provided with a position-limiting cover 3 on mounting plate 2, the opposite two sides of mounting plate 2 are respectively set
Have with the perpendicular limited wall 21 of mounting plate 2, an accommodating cavity is formed between mounting plate 2, position-limiting cover 3 and limited wall 21, mass block 1 is set
It sets in accommodating cavity, the both ends of mass block 1 pass through silicagel column 5 respectively and are mounted on two limited walls 21.
In this particular embodiment, it is provided with the first mounting hole 211 on two limited walls 21, the both ends of mass block 1
Side is respectively arranged with the second mounting hole 11, and corresponding second mounting hole 11 of each first mounting hole 211 forms mounting hole group,
A silicagel column 5 is provided in each mounting hole group.By the first mounting hole 211 being arranged on limited wall 21 and it is arranged in matter
Second mounting hole 11 of 1 side of gauge block is for installing silicagel column 5, so that there is silicagel column 5 stable installation to position, realizes quality
Block 1 stablizes installation.
In this particular embodiment, multiple first mounting holes 211, the second mounting hole have been uniformly arranged on each limited wall 21
11 quantity is equal with the quantity of the first mounting hole 211.First mounting hole 211 and the second mounting hole 11 be it is multiple, formed multiple
Mounting hole group, so that the installation of mass block 1 is more stable, while the first mounting hole 211 and the second mounting hole 11 are uniformly arranged, and are made
Each 5 uniform force of silicagel column, be further ensured that mass block 1 stablizes installation.
In this particular embodiment, the both ends of mass block 1 are respectively arranged with installation cavity 12 up and down, the second mounting hole
11 are connected with the installation cavity of corresponding position 12 respectively.
In this particular embodiment, silicagel column 5 includes front limit portion 51, middle section limiting section 52 and the rear limit of coaxial arrangement
Portion 53 is coaxially arranged with the first mounting portion 54, middle section limiting section 52 and rear limit between front limit portion 51 and middle section limiting section 52
The second mounting portion 55 is coaxially arranged between portion 53, front limit portion 51 is pre-small post-large rotary table, rear limiting section 53, middle section limit
Portion 52, the first mounting portion 54 and the second mounting portion 55 are cylindrical body, the larger diameter end in front limit portion 51 and the first mounting portion 54
Connect, the outer diameter of the first mounting portion 54 is less than the maximum outside diameter in front limit portion 51, and the outer diameter of the first mounting portion 54 is limited less than middle section
The outer diameter in position portion 52, the outer diameter of middle section limiting section 52 are greater than the outer diameter of the second mounting portion 55, and the outer diameter of rear limiting section 53 is greater than the
The outer diameter of two mounting portions 55, the outer diameter of the second mounting portion 55 are matched with the internal diameter of the first mounting hole 211, the first mounting portion 54
Outer diameter is matched with the internal diameter of the second mounting hole 11, and front limit portion 51 is arranged in installation cavity 12, and the setting of the first mounting portion 54 exists
In second mounting hole 11, middle section limiting section 52 is arranged between limited wall 21 and mass block 1, and the second mounting portion 55 is arranged first
In mounting hole 211, the outside of limited wall 21 is arranged in rear limiting section 53.Installation cavity 12 up and down is for accommodating silicagel column 5
Front limit portion 51, above structure makes silicagel column 5 that there is stable installation to position, and front limit portion 51 is designed as pre-small post-large
Rotary table can successfully sequentially pass through the first mounting hole 211 convenient for silicagel column 5 and the second mounting hole 11 is installed, front limit
Portion 51, middle section limiting section 52 and rear limiting section 53 play position-limiting action to the installation of silicagel column 5, so that after being installed, silica gel
Mass block 1 can be steadily mounted in accommodating cavity by column 5.
In this particular embodiment, to be coaxially arranged with one between middle section limiting section 52 and the second mounting portion 55 pre-small post-large
Limit round table 56, the larger diameter end of limit round table 56 connect with the second mounting portion 55, the smaller diameter end of limit round table 56 and middle section
Limiting section 52 connects, and the minimum diameter of limit round table 56 is equal with the outer diameter of middle section limiting section 52.The setting of the limit round table 56
Further position-limiting action is played, while pre-small post-large limit round table 56 is convenient for the smooth installation of silicagel column 5.
In this particular embodiment, the rear end face of rear limiting section 53 is provided with the blind hole of 51 direction of limiting section recess forward
57, the central axis of blind hole 57 and the central axis of rear limiting section 53 coincide.The setting of blind hole 57, so that it is empty in silicagel column 5,
So that silicagel column 5 provides lesser rigidity, the low frequency operation requirement of further satisfaction dynamic vibration absorber, so that the dynamic vibration absorber
Working frequency be less than 30Hz, while the blind hole 57 is provided when silicagel column 5 is installed extruding space, convenient for silicagel column 5
Installation.
In this particular embodiment, position-limiting cover 3 includes the limit plate 31 parallel with mounting plate 2, the upper end of limit plate 31
Upper folded walls 32 and lower folded walls 33, upper folded walls 32 and lower folded walls 33 are bent to form to 2 direction of mounting plate respectively with lower end
It is respectively perpendicular to mounting plate 2, the end of upper folded walls 32 is provided with positioning plate 321, and the end of lower folded walls 33 is provided with down
Positioning plate 331, be provided on mounting plate 2 upper positioning jack 22 corresponding with upper positioning plate 321 and lower 331 position of positioning plate and under
Positioning jack 23, upper positioning plate 321 is inserted into upper positioning jack 22 and upper positioning jack 22 is stretched out in the end of upper positioning plate 321, under
Positioning plate 331 is inserted into lower positioning jack 23 and lower positioning jack 23, the end of upper positioning plate 321 are stretched out in the end of lower positioning plate 331
Position-limiting cover 3 is installed on mounting plate 2 by the equal outward bending in end of head and lower positioning plate 331.Above structure realizes position-limiting cover 3
With the assembly and connection of mounting plate 2, size Control is carried out convenient for two components, while being conducive to improve the durable of dynamic vibration absorber
Property；Upper folded walls 32 and lower folded walls 33 play the role of upper limit and lower limit to mass block 1；The end of upper positioning plate 321
With the equal outward bending in end of lower positioning plate 331, being assembled by the way of turning over riveting, structure is simple, and it is easy for installation, it avoids outer
The normal work of portion's part interference mass block 1.
In this particular embodiment, the upper end of mounting plate 2 is provided with mounting bracket 24, and the lower end of mounting plate 2 is provided with
Lower mounting bracket 25.Upper mounting bracket 24 and lower mounting bracket 25 are used to entire dynamic vibration absorber being installed to automobile, structure
Simply.
In this particular embodiment, mass block 1 is cast iron, and mounting plate 2 and position-limiting cover 3 are all made of Metal plate.Mass block 1
Using cast iron, for low frequency.
In this particular embodiment, the centroid position of mass block 1 is provided with repeated hole 13.Match repeated hole 13 by setting, it can
The quality of mass block 1 is controlled within ± the 5g that low frequency requires.
Embodiment two: as shown in Figure 4, Figure 5, other parts are the same as example 1, the difference is that on mass block 1
It is socketed with silica gel ring 6, the central axis of silica gel ring 6 is parallel with the central axis of the second mounting hole 11.Dynamic vibration absorber is in work
During work, position-limiting cover 3 and mounting plate 2 will receive the shock repeatedly of mass block 1, and silica gel ring 6 plays buffering noise reduction herein
Effect avoids mass block 1 and mounting plate 2 and position-limiting cover 3 from carrying out rigid impact, plays a protective role.
In this particular embodiment, the card slot 14 for installing silica gel ring 6 is provided on mass block 1, silica gel ring 6 is located at card
In slot 14.It is provided with the card slot 14 to match with silica gel ring 6 on mass block 1 and avoids pine so that silica gel ring 6 is stabilized installation
It is dynamic.
Claims (7)
1. a kind of dynamic vibration absorber, it is characterised in that including mounting bracket and mass block, the mounting bracket includes an installation
Plate is provided with a position-limiting cover on the mounting plate, and the opposite two sides of the mounting plate are respectively arranged with and the installation
Plate perpendicular limited wall forms an accommodating cavity between the mounting plate, the position-limiting cover and the limited wall, described
Mass block is arranged in the accommodating cavity, the both ends of the mass block pass through respectively silicagel column be mounted on two described in limit
On the wall of position；The first mounting hole is provided on limited wall described in two, the side at the both ends of the mass block is respectively set
There is the second mounting hole, the second mounting hole described in each first mounting hole correspondence one forms mounting hole group, Mei Gesuo
Silicagel column described in being provided with one in the mounting hole group stated；The both ends of the mass block are respectively arranged with peace up and down
It behave affectedly, the installation cavity of second mounting hole respectively with corresponding position is connected；The silicagel column includes coaxial
Front limit portion, middle section limiting section and the rear limiting section of setting, it is coaxial between the front limit portion and the middle section limiting section
It is provided with the first mounting portion, the second mounting portion, institute are coaxially arranged between the middle section limiting section and the rear limiting section
The front limit portion stated is pre-small post-large rotary table, the rear limiting section, the middle section limiting section, first mounting portion
It is cylindrical body with second mounting portion, the larger diameter end in the front limit portion connects with first mounting portion,
The outer diameter of first mounting portion is less than the maximum outside diameter in the front limit portion, and the outer diameter of first mounting portion is less than
The outer diameter of the middle section limiting section, the outer diameter of the middle section limiting section is greater than the outer diameter of second mounting portion, described
Rear limiting section outer diameter be greater than second mounting portion outer diameter, the outer diameter of second mounting portion and described first
The internal diameter of mounting hole matches, and the outer diameter of first mounting portion is matched with the internal diameter of second mounting hole, described
Front limit portion be arranged in the installation cavity, first mounting portion is arranged in second mounting hole, described
Middle section limiting section be arranged between the limited wall and the mass block, second mounting portion is arranged in described
In first mounting hole, the outside of the limited wall is arranged in the rear limiting section.
2. a kind of dynamic vibration absorber as described in claim 1, it is characterised in that the middle section limiting section and described second
A pre-small post-large limit round table, the larger diameter end of the limit round table and described second are coaxially arranged between mounting portion
Mounting portion connects, and the smaller diameter end of the limit round table connects with the middle section limiting section, and the limit round table is most
Minor diameter is equal with the outer diameter of middle section limiting section.
3. a kind of dynamic vibration absorber as described in claim 1, it is characterised in that the rear end face of the rear limiting section is provided with
The blind hole being recessed to the front limit portion direction, the central axis of the central axis of the blind hole and the rear limiting section
It coincides.
4. a kind of dynamic vibration absorber as described in claim 1, it is characterised in that be socketed with silica gel ring, institute on the mass block
The central axis for the silica gel ring stated is parallel with the central axis of the second mounting hole.
5. a kind of dynamic vibration absorber as claimed in claim 4, it is characterised in that be provided on the mass block for installing
The card slot of silica gel ring, the silica gel ring are located in the card slot.
6. a kind of dynamic vibration absorber as described in claim 1, it is characterised in that the position-limiting cover includes equal with mounting plate
Capable limit plate, the top and bottom of the limit plate are bent to form upper folded walls under to the mounting plate direction respectively
Folded walls, the upper folded walls and the lower folded walls are respectively perpendicular to the mounting plate, the upper folded walls
End is provided with positioning plate, and the end of the lower folded walls is provided with lower positioning plate, be provided on the mounting plate with
The upper positioning plate and the corresponding upper positioning jack of lower positioning Board position and lower positioning jack, the upper positioning plate
The upper positioning jack, the lower positioning plate are stretched out in the end of the insertion upper positioning jack and the upper positioning plate
The lower positioning jack, the upper positioning plate are stretched out in the end of the insertion lower positioning jack and the lower positioning plate
The equal outward bending in end of end and the lower positioning plate position-limiting cover is installed on the mounting plate.
7. a kind of dynamic vibration absorber as described in claim 1, it is characterised in that the upper end of the mounting plate is provided with peace
Bracket is filled, the lower end of the mounting plate is provided with lower mounting bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366150.8A CN107165981B (en) | 2017-05-23 | 2017-05-23 | A kind of dynamic vibration absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366150.8A CN107165981B (en) | 2017-05-23 | 2017-05-23 | A kind of dynamic vibration absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107165981A CN107165981A (en) | 2017-09-15 |
| CN107165981B true CN107165981B (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710366150.8A Active CN107165981B (en) | 2017-05-23 | 2017-05-23 | A kind of dynamic vibration absorber |
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| CN (1) | CN107165981B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608260B (en) * | 2019-10-16 | 2024-05-24 | 上海工程技术大学 | Mass-adjustable vibration absorber for urban rail vehicle and vibration reduction principle |
| CN111536198B (en) * | 2020-05-14 | 2022-05-24 | 北京工业大学 | Changeable two silica gel roof beams of rigidity inhale device that shakes |
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|---|---|---|---|---|
| JPH07137640A (en) * | 1993-11-18 | 1995-05-30 | Nippon Plast Co Ltd | Oscillation absorbing device for steering wheel |
| US5887843A (en) * | 1996-08-15 | 1999-03-30 | Nissan Motor Co., Ltd. | Dynamic damper structure |
| JP2005240986A (en) * | 2004-02-27 | 2005-09-08 | Tokai Rubber Ind Ltd | Vibration control device |
| JP2010230119A (en) * | 2009-03-27 | 2010-10-14 | Toyo Tire & Rubber Co Ltd | Dynamic damper |
| CN203500368U (en) * | 2013-10-15 | 2014-03-26 | 建新赵氏集团有限公司 | Novel brake shell vibration reducing assembly |
| CN204175862U (en) * | 2014-09-30 | 2015-02-25 | 北京汽车股份有限公司 | Automobile power bump leveller and automobile |
-
2017
- 2017-05-23 CN CN201710366150.8A patent/CN107165981B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07137640A (en) * | 1993-11-18 | 1995-05-30 | Nippon Plast Co Ltd | Oscillation absorbing device for steering wheel |
| US5887843A (en) * | 1996-08-15 | 1999-03-30 | Nissan Motor Co., Ltd. | Dynamic damper structure |
| JP2005240986A (en) * | 2004-02-27 | 2005-09-08 | Tokai Rubber Ind Ltd | Vibration control device |
| JP2010230119A (en) * | 2009-03-27 | 2010-10-14 | Toyo Tire & Rubber Co Ltd | Dynamic damper |
| CN203500368U (en) * | 2013-10-15 | 2014-03-26 | 建新赵氏集团有限公司 | Novel brake shell vibration reducing assembly |
| CN204175862U (en) * | 2014-09-30 | 2015-02-25 | 北京汽车股份有限公司 | Automobile power bump leveller and automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107165981A (en) | 2017-09-15 |
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