CN201330819Y - Rubber anti-impact device - Google Patents
Rubber anti-impact device Download PDFInfo
- Publication number
- CN201330819Y CN201330819Y CNU2008201583996U CN200820158399U CN201330819Y CN 201330819 Y CN201330819 Y CN 201330819Y CN U2008201583996 U CNU2008201583996 U CN U2008201583996U CN 200820158399 U CN200820158399 U CN 200820158399U CN 201330819 Y CN201330819 Y CN 201330819Y
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- damper
- rubber
- vibration
- impact
- impact device
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Abstract
The utility model relates to a rubber anti-impact device comprising a common rubber vibration isolator and a damper which are connected in parallel, and aims to achieve purposes of vibration isolation and impact isolation. Therefore, the rubber anti-impact device comprises an upper flange, a lower flange and a rubber body which is arranged between the upper flange and the lower flange; the lower flange is mounted on a base; and the rubber anti-impact device further comprises a damper which is connected to the lower flange and penetrates the rubber body to the upper flange. Under general vibration, the displacement caused by the vibration is smaller than a threshold, the damper cuts no ice and only serves the rubber body functions; and when the anti-impact device is under the action of impact, the damper and a rubber vibration damper can function at the same time, the damper consumes part of impact energy. Therefore, the anti-impact capability of equipment or a system is improved.
Description
Technical field
The utility model relates to vibration and noise reducing anti-impact field, relates in particular to a kind of rubber impact device that has vibration damping and anti-impact effect concurrently.
Background technique
The car and boat vibration insulating system not only needs to consider vibration isolating effect, and many occasions also will consider to impact the influence to equipment or human body.Anti-impact and vibration damping are not quite similar to the requirement of vibration damping equipment, although common vibration damper also plays the anti-impact effect simultaneously at vibration damping, vibration damper designs general less consideration anti-impact, so its impact resistance is obviously not enough.
For instance, rubber material is a most widely used vibroisolating material in the vibration damper.Rubber shock absorber has long service life, and three-way rigidity is adjusted easily, high comprehensive performance, and series of advantages such as moderate cost, its performance have obtained approval widely.The test that rubber shock absorber has used by reality the isolation of vibration.But existing rubber shock absorber designs general less consideration erosion-resisting characteristics, so its impact resistance is obviously not enough.
Aspect the vibration isolation and erosion-resisting characteristics of comprehensive vibration damper, the vibration damping equipment of existing special at present spring damper in parallel, in the impact shock that is applied to forging machine tool and punch press of success, in the widely used plate vibration insulating system of floating, its lower floor's vibration damper also has the spring of employing damper scheme in parallel in the track traffic both at home and abroad.Desirable damper can only provide damping in vibration insulating system, it can be transformed into heat energy to the part impulse machine, make impact signal decay to zero in the short time at the utmost point, therefore continuous impact signal (forging as forging machine tool) can not superpose and makes and impact amplitude in the vibration insulating system and reduce, and ambient vibration reduces.
But the low 3～5Hz that is generally of the vertical natural frequency of metal spring is difficult to adjust three-way rigidity, and volume is bigger, and at 90Hz after 100Hz, very big standing wave effect is just arranged, so the high-frequency vibration isolation effect is unsatisfactory.
The model utility content
Technical problem to be solved in the utility model provides a kind of new type rubber anti-impact device with General Purpose Rubber vibration isolator and damper employing parallel way composition, reaches vibration and impacts pair purposes of isolation.
The utility model is that to solve the problems of the technologies described above the technological scheme that adopts be to propose a kind of rubber impact device, comprise upper flange, lower flange and be assembled in rubber body between the upper and lower flange, this lower flange is used to be installed in pedestal, this rubber impact device also comprises a damper, this damper is connected in this lower flange, and passes this rubber body to this upper flange.
In above-mentioned rubber impact device, described damper is made of hydraulic element.
In above-mentioned rubber impact device, described lower flange central authorities have a cavity, and described damper has a piston element in described cavity.
In above-mentioned rubber impact device, damper has a forced section, and described upper flange has a force section relative up and down with this forced section, and the relative distance between described force section and the described forced section defines the vibration displacement threshold value that described damper works.
In above-mentioned rubber impact device, described damper top has a nut, in order to be rotated to adjust the relative distance between described force section and the described forced section.
It is on the General Purpose Rubber vibration damper that the utility model adopts above technological scheme, and damper in parallel realizes vibrating the two purposes of isolating in impacting.Show that through actual principle model machine Impulse Test Result the vibration isolation anti-impact effect of this class rubber impact device is apparently higher than the ordinary rubber vibration damper.
Description of drawings
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent, below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, wherein:
Fig. 1 is the sectional view of an embodiment's of the utility model rubber impact device.
Embodiment
Embodiment of the present utility model adopts parallel way to form General Purpose Rubber vibration isolator and damper, makes full use of characteristics separately, reaches vibration and impacts two purposes of isolating.During general the vibration, because displacement is very little, damper is inoperative, therefore plays the vibration buffer action by rubber shock absorber; When heavy shock loads was come, because the amount of deformation of equipment is big, rubber shock absorber and damper worked simultaneously, consumed portion of energy by damper, reduced the destruction of impact force to pedestal or equipment.The example of specific implementation of the present utility model is described below with reference to Fig. 1.
Fig. 1 is the sectional view of an embodiment's of the utility model rubber impact device.With reference to shown in Figure 1, the rubber impact device of present embodiment mainly is made up of three parts, and first portion forms rubber shock absorber by upper flange 2, rubber body 3 and lower flange 4, and second portion is made up of gap adjustment component 1, and third part is made up of damper 5.
Lower flange 4 is fixed on the pedestal (figure does not show), and rubber body 3 and upper flange 2 are set respectively on it, and rubber body 3 can play damping effect between upper flange 2 and lower flange 4.
Damper 5 is the components and parts (being made up of oil cylinder, piston etc.) that are similar to hydraulic pressure, its resisting medium be do not burn, silicone grease, silicone oil product are made preferably for nontoxic, non-corrosiveness and chemical stability.In the present embodiment, damper 5 has a piston rod 50, and it is fixed on the lower flange 4, and passes rubber body 3 and upper flange 2 successively.There is a cavity 40 in lower flange 4 central authorities, and damper 5 has a piston 51 in cavity, form hydraulic element thus, and this cavity is by a damper cover 54 sealings.In addition, gap adjustment component 1 is made up of following structure: damper 5 has a forced section 52, and the corresponding position of upper flange 2 center through hole is provided with a force section 20, and the gap H between force section 20 and the forced section 52 defines the vibration displacement threshold value that damper works.That is to say that when vibration displacement during less than this threshold value, damper is inoperative, only has rubber shock absorber to play damping effect.
As the part of gap adjustment component 1, nut 53 also is set at the top of the piston rod 50 of damper.Nut 53 can be by instruments such as spanner rotations to adjust aforesaid gap H size, and when making general vibration, vibration displacement is in the inter space device domain value range, and damper 5 is inoperative, is only worked by rubber shock absorber; When the anti-impact device was subjected to percussion, owing to impact the thresholding that displacement surpasses inter space device, damper 5 and rubber shock absorber worked simultaneously, consumed the part impact energy by damper, improved the impact resistance of equipment or system thus.
Specifically, when impacting, rubber body 3 compressive strains, the piston rod 51 that drives dampers 5 by the force section 20 of the upper flange forced section 50 by damper moves downward, hydraulic element in the lower flange are worked, and when rubber body 3 was restored, the piston rod 51 that drives damper again moved upward, damper is restored, thereby can realize continual work.
In embodiment of the present utility model, can by changing the damping force value of damper, better improve its impact resistance according to the use occasion difference.
Therefore, the utility model is on the General Purpose Rubber vibration damper, damper in parallel, and be fitted with an inter space device, realize vibrating two purposes of isolating in impacting.Show that through actual principle model machine Impulse Test Result the vibration isolation anti-impact effect of this class rubber impact device is apparently higher than the ordinary rubber vibration damper.
Though the utility model discloses as above with preferred embodiment; yet these preferred embodiments are not in order to limit the utility model; any those skilled in the art; in not breaking away from spirit and scope of the present utility model; when doing a little modification and perfect, therefore protection domain of the present utility model is worked as with being as the criterion that claims were defined.
Claims (5)
1. rubber impact device, comprise upper flange, lower flange and be assembled in rubber body between the upper and lower flange, this lower flange is used to be installed in pedestal, it is characterized in that described rubber impact device also comprises a damper, this damper is connected in this lower flange, and passes this rubber body to this upper flange.
2. rubber impact device as claimed in claim 1 is characterized in that described damper comprises hydraulic element.
3. rubber impact device as claimed in claim 1 is characterized in that, described lower flange central authorities have a cavity, and described damper has a piston in described cavity.
4. rubber impact device as claimed in claim 1, it is characterized in that, described damper has a forced section, and described upper flange has a force section relative up and down with this forced section, and the relative distance between described force section and the described forced section defines the vibration displacement threshold value that described damper works.
5. rubber impact device as claimed in claim 4 is characterized in that, described damper top has a nut, in order to be rotated to adjust the relative distance between described force section and the described forced section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201583996U CN201330819Y (en) | 2008-12-30 | 2008-12-30 | Rubber anti-impact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201583996U CN201330819Y (en) | 2008-12-30 | 2008-12-30 | Rubber anti-impact device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201330819Y true CN201330819Y (en) | 2009-10-21 |
Family
ID=41224199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201583996U Expired - Lifetime CN201330819Y (en) | 2008-12-30 | 2008-12-30 | Rubber anti-impact device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201330819Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922683B (en) * | 2009-06-10 | 2011-11-23 | 海洋王照明科技股份有限公司 | Shock absorber of seat type lamp |
| CN103075460A (en) * | 2012-10-23 | 2013-05-01 | 镇江铁科橡塑制品有限公司 | Hydraulic auxiliary elastic support assembly with self protection function |
| CN108468737A (en) * | 2018-02-08 | 2018-08-31 | 中国船舶重工集团公司第七0三研究所 | A kind of gas-turbine installation composite elastic and damping shock resistance damper |
| CN108824102A (en) * | 2018-09-02 | 2018-11-16 | 中国船舶重工集团公司第七研究所 | Combined rubber vibration isolator and its installation method for floating plate track |
| CN110424195A (en) * | 2019-04-11 | 2019-11-08 | 陕西九域通创轨道系统技术有限责任公司 | A kind of nonlinear isolation device for floating slab track of track traffic system |
| CN110639800A (en) * | 2019-10-09 | 2020-01-03 | 济南大学 | Novel damping support device for vibrating screen |
-
2008
- 2008-12-30 CN CNU2008201583996U patent/CN201330819Y/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101922683B (en) * | 2009-06-10 | 2011-11-23 | 海洋王照明科技股份有限公司 | Shock absorber of seat type lamp |
| CN103075460A (en) * | 2012-10-23 | 2013-05-01 | 镇江铁科橡塑制品有限公司 | Hydraulic auxiliary elastic support assembly with self protection function |
| CN108468737A (en) * | 2018-02-08 | 2018-08-31 | 中国船舶重工集团公司第七0三研究所 | A kind of gas-turbine installation composite elastic and damping shock resistance damper |
| CN108468737B (en) * | 2018-02-08 | 2023-12-12 | 中国船舶重工集团公司第七0三研究所 | Composite elasticity and damping shock absorber of gas turbine device |
| CN108824102A (en) * | 2018-09-02 | 2018-11-16 | 中国船舶重工集团公司第七研究所 | Combined rubber vibration isolator and its installation method for floating plate track |
| CN110424195A (en) * | 2019-04-11 | 2019-11-08 | 陕西九域通创轨道系统技术有限责任公司 | A kind of nonlinear isolation device for floating slab track of track traffic system |
| CN110424195B (en) * | 2019-04-11 | 2024-03-15 | 湖南九域同创高分子新材料有限责任公司 | Nonlinear vibration isolator for track traffic floating slab track system |
| CN110639800A (en) * | 2019-10-09 | 2020-01-03 | 济南大学 | Novel damping support device for vibrating screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151209 Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Building 1 room 629 Patentee after: Shanghai shine Heavy Industry Co., Ltd. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: The 711th Research Institute of China Shipbuilding Industrial Corporation(CSIC) |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |