CN202646524U - Vibration damping device - Google Patents
Vibration damping device Download PDFInfo
- Publication number
- CN202646524U CN202646524U CN 201220186169 CN201220186169U CN202646524U CN 202646524 U CN202646524 U CN 202646524U CN 201220186169 CN201220186169 CN 201220186169 CN 201220186169 U CN201220186169 U CN 201220186169U CN 202646524 U CN202646524 U CN 202646524U
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- CN
- China
- Prior art keywords
- vibration damping
- screw rod
- shock attenuation
- platen
- elastic shock
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- Expired - Lifetime
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Abstract
The utility model provides a vibration damping device which comprises a bedplate and a vibration damping element. The portion where the vibration damping device is arranged on the bedplate of the bedplate is provided with penetrating holes of an upper step and a lower step, and the vibration damping element comprises a vibration damping body, a lower disk, an upper elastic vibration damping ring and a lower elastic vibration damping ring. The vibration damping body comprises a screw rod provided with a through hole, the upper portion of the screw rod is provided with an upper disk which is integral with the screw rod, a lower ring groove is arranged on the lower portion of the upper disk, and the inner diameter and the outer diameter of the lower ring groove are the same as those of the upper step of the bedplate. The screw rod is arranged inside the penetrating hole of the bedplate, the upper elastic vibration damping ring is arranged between the lower ring groove of the upper disk and the penetrating hole portion of the upper step, the lower disk is arranged on the lower portion of the screw rod, the upper groove ring is arranged on the upper portion of the lower disk, the inner diameter and the outer diameter of the upper ring groove of the lower disk is the same as those of the lower step on the penetrating hole portion of the bedplate, the lower elastic vibration damping ring is arranged between the upper ring groove of the lower disk and the penetrating hole portion of the lower step, and the through hole of the screw rod is penetrated by a locating screw rod from bottom to top. An elastic sleeve is arranged between the penetrating hole of the bedplate and the screw rod, and the upper end face and the lower end face of the elastic sleeve are respectively attached with the upper elastic vibration damping ring and the lower elastic vibration damping ring.
Description
Technical field
The utility model relates to a kind of vibration damping equipment, is used for vibration damping connection under the different occasions, realizes the accurate device vibration damping.Belong to engineering machinery field.
Background technique
Vibration damper has been widely used in engineering field, and adopt the minimizing excitation, increase the effect that the attenuation systems vibration is played in system damping, be amplitude and frequency attenuation process, also be the degradation of energy process.Vibration damper commonly used mainly contains metal spring vibration damper, rubber shock absorber and air spring vibration reduction device.Spring cushion has can reach the advantages such as low natural frequency, bearing load is large, anti-corrosion property good, the life-span is long, shortcoming be exist chattering, easily transmit in frequency vibration, near resonant frequency vibration isolation ability etc.; The rubber spring utensil has the advantages such as certain damping, good impact resistance, vibration isolating effect are good, and shortcoming is that high, the long-time loading of free frequency has creep, is subjected to that external environmemt affects easily, unstable properties, life-span are short etc.; The advantages such as air spring vibration reduction pad utensil has that natural frequency is lower, amount of deformation is little, bearing load is large, vibration isolation and soundproof effect are good, shortcoming is that cost is high.For some precision type instrument, require to have good vibration-damping function, should have the characteristics that carrying is large, damping is large, the life-span is long, and present vibration damper commonly used can't satisfy this requirement fully.
Summary of the invention
The purpose of this utility model is exactly the deficiency that overcomes in existing metal spring vibration damping, rubber damping and the air spring vibration reduction technology, provide a kind of compact structure, boundary dimension little, install change convenient, safe and reliable, the life-span long, to the strong vibration damping equipment of working environment adaptation.
The utility model is achieved through the following technical solutions: a kind of vibration damping equipment of the present utility model comprises platen and damper element, platen is installed the perforation that there is up/down steps at the damper element place, and damper element comprises damping body, lower disc and upper elastic shock attenuation ring, lower elastic shock attenuation ring; The damping body comprises the screw rod with through hole, the with it upper disk of one is arranged at the top of screw rod, lower annular groove is arranged at the bottom of upper disk, the inner and outer diameter of lower annular groove is identical with the inner and outer diameter that platen is topped bar, the screw rod of damping body places the perforation of platen, places the elastic shock attenuation ring between the lower annular groove of upper disk and platen perforation place are topped bar; In the bottom of screw rod lower disc is installed, upper annular groove is arranged at the top of lower disc, and the inner and outer diameter of the upper annular groove of lower disc is identical with the inner and outer diameter that platen perforation place is got out of a predicament or an embarrassing situation, elastic shock attenuation ring under the placement between the upper annular groove of lower disc and platen perforation place are got out of a predicament or an embarrassing situation; In the through hole of screw rod, pass from bottom to top positioning screw.
Described vibration damping equipment is established elastic sleeve between the perforation of platen and screw rod, the elastic sleeve upper and lower end face is affixed with upper elastic shock attenuation ring and lower elastic shock attenuation ring respectively.
Described lower disc is by being screwed in the double nut location on the screw rod lower thread.
Described upper elastic shock attenuation ring and lower elastic shock attenuation ring are made by rubber material, are embedded with metal spring.
Advantage of the present utility model is mainly manifested in the following aspects:
One, the utility model mainly is comprised of screw thread and sleeve structure, and is simple in structure, reliable operation.
Two, the utlity model has good extendable functions, be applicable to many group vibration dampings, be convenient to expand design.
Three, the utlity model has metal spring and rubber double damping characteristics, the metal spring apparatus with shock absorbing, and the rubber material absorbing vibrational energy reduces shock and vibration load effectively on the impact of instrument, reduces simultaneously noise.The restriction of product-based structure space and reliability need a kind of low cost of design, high-performance, compact structure, long vibration damper of life-span.
Description of drawings
Fig. 1 is the structural representation of vibration damping equipment of the present utility model.
Fig. 2 is the worm's eye view of Fig. 1.
Fig. 3 is the structural representation of the utility model damping element.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
Such as Fig. 1, Fig. 2, Fig. 3: vibration damping equipment of the present utility model comprises platen and damper element, platen 1 is installed the perforation 1a that there is up/down steps at the damper element place, and damper element 2 comprises damping body 2a, lower disc 2b and upper elastic shock attenuation ring 2c, lower elastic shock attenuation ring 2d; Damping body 2a comprises the screw rod 2a1 with through hole, the with it upper disk 2a2 of one is arranged at the top of screw rod 2a1, lower annular groove is arranged at the bottom of upper disk 2a2, the inner and outer diameter of lower annular groove is identical with the inner and outer diameter of topping bar in platen 1 perforation 1a place, the screw rod 2a1 of damping body 2a places the perforation 1a of platen 1, elastic shock attenuation ring 2c in the placement between topping bar at the lower annular groove of upper disk 2a2 and platen 1 perforation 1a place; Lower disc 2b is installed in bottom at screw rod 2a1, upper annular groove is arranged at the top of lower disc 2b, the inner and outer diameter of getting out of a predicament or an embarrassing situation in the inner and outer diameter of the upper annular groove of lower disc 2b and platen 1 perforation 1a place is identical, upper annular groove and the platen 1 of lower disc 2b bore a hole the 1a place get out of a predicament or an embarrassing situation between elastic shock attenuation ring 2d under the placement; In the through hole of screw rod 2a1, pass from bottom to top positioning screw 2g.Positioning screw 2g penetrates the vibration damping body and connects with workpiece 3 by nut, and workpiece 3 is played location and reliably locking effect.
Described vibration damping equipment is established elastic sleeve 2e between the perforation 1a of platen 1 and screw rod 2a1, elastic sleeve 2e upper and lower end face is affixed with upper elastic shock attenuation ring 2c and lower elastic shock attenuation ring 2d respectively.
Described upper elastic shock attenuation ring 2c and lower elastic shock attenuation ring 2d are made by rubber material, are embedded with metal spring 2c1,2d1.Metal spring has metal spring and rubber double damping characteristics with the whole embedding of rubber.Can satisfy large load, large impact with the vibration damping requirement of the vibration environment of different-waveband.
Described lower disc 2b is by being screwed in the double nut 2f location on the screw rod 2a1 lower thread 2a3.The decrement of elastic shock attenuation ring 2c and lower elastic shock attenuation ring 2d reaches and adjusts the prestressing force purpose on the rotation double nut 2f capable of regulating.
Quantity and mounting point that platen 1 is installed damper element can require to arrange according to workpiece, and elastic sleeve 2e is that rubber material is made.Elastic sleeve 2e has cushioning effect in the horizontal direction.
When workpiece is subject to shock and vibration, be delivered to fast on upper elastic shock attenuation ring 2c and the lower elastic shock attenuation ring 2d by the upper plane of damping body 2a, the elastic shock attenuation ring of near-end can produce compression or the elongation of equivalent, the elastic shock attenuation ring of far-end then can produce the opposite elongation of equivalent or compression, after adding the vibration source disappearance, rely on elastic shock attenuation ring self elasticity, return to again predetermined decrement; Establish elastic sleeve 2e isolation between the perforation 1a of platen 1 and the screw rod 2a1, guaranteed to reduce the noise of vibration damping process, have good soundproof effect.The utility model is easy to install, and steady quality is reliable, and effectiveness in vibration suppression is good.
In addition to the implementation, the utility model can also have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation form, all in the protection domain that the utility model requires.
Claims (5)
1. vibration damping equipment, comprise platen and damper element, it is characterized in that: platen (1) is installed the perforation (1a) that there is up/down steps at the damper element place, and damper element (2) comprises damping body (2a), lower disc (2b) and upper elastic shock attenuation ring (2c), lower elastic shock attenuation ring (2d); Damping body (2a) comprises the screw rod (2a1) with through hole, the with it upper disk (2a2) of one is arranged at the top of screw rod (2a1), lower annular groove is arranged at the bottom of upper disk (2a2), the inner and outer diameter of lower annular groove is identical with the inner and outer diameter that the perforation (1a) of platen (1) is located to top bar, the screw rod (2a1) of damping body (2a) places the perforation (1a) of platen (1), places upper elastic shock attenuation ring (2c) between the lower annular groove of upper disk (2a2) and platen (1) perforation (1a) are located to top bar; Lower disc (2b) is installed in bottom at screw rod (2a1), upper annular groove is arranged at the top of lower disc (2b), the inner and outer diameter that the inner and outer diameter of the upper annular groove of lower disc (2b) and platen (1) perforation (1a) is located to get out of a predicament or an embarrassing situation is identical, elastic shock attenuation ring (2d) under the placement between upper annular groove and platen (1) perforation (1a) of lower disc (2b) are located to get out of a predicament or an embarrassing situation; In the through hole of screw rod (2a1), pass from bottom to top positioning screw (2g).
2. vibration damping equipment according to claim 1, it is characterized in that: establish elastic sleeve (2e) between the perforation (1a) of platen (1) and screw rod (2a1), elastic sleeve (2e) upper and lower end face is affixed with upper elastic shock attenuation ring (2c) and lower elastic shock attenuation ring (2d) respectively.
3. vibration damping equipment according to claim 1 and 2 is characterized in that: lower disc (2b) is by being screwed in double nut (2f) location on screw rod (2a1) lower thread (2a3).
4. vibration damping equipment according to claim 1 and 2 is characterized in that: go up elastic shock attenuation ring (2c) and lower elastic shock attenuation ring (2d) and made by rubber material, be embedded with metal spring (2c1,2d1).
5. vibration damping equipment according to claim 3 is characterized in that: go up elastic shock attenuation ring (2c) and lower elastic shock attenuation ring (2d) and made by rubber material, be embedded with metal spring (2c1,2d1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220186169 CN202646524U (en) | 2012-04-27 | 2012-04-27 | Vibration damping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220186169 CN202646524U (en) | 2012-04-27 | 2012-04-27 | Vibration damping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202646524U true CN202646524U (en) | 2013-01-02 |
Family
ID=47415635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220186169 Expired - Lifetime CN202646524U (en) | 2012-04-27 | 2012-04-27 | Vibration damping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202646524U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015444A (en) * | 2016-05-18 | 2016-10-12 | 深圳市鹰眼在线电子科技有限公司 | Vibration reduction mechanism and testing equipment |
| CN109578502A (en) * | 2018-12-29 | 2019-04-05 | 北京星际荣耀空间科技有限公司 | Two-dimentional vibration reduction platform |
| CN110989782A (en) * | 2019-10-14 | 2020-04-10 | 中国航空工业集团公司洛阳电光设备研究所 | A shock absorber for a functional module in an electronic device and a method of using the same |
| CN111734765A (en) * | 2020-05-22 | 2020-10-02 | 韩锦桐 | Variable-rigidity rubber damping shock absorber |
| CN114673762A (en) * | 2022-03-28 | 2022-06-28 | 宁波天擎航天科技有限公司 | Shock absorber of single machine for arrow |
-
2012
- 2012-04-27 CN CN 201220186169 patent/CN202646524U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106015444A (en) * | 2016-05-18 | 2016-10-12 | 深圳市鹰眼在线电子科技有限公司 | Vibration reduction mechanism and testing equipment |
| CN109578502A (en) * | 2018-12-29 | 2019-04-05 | 北京星际荣耀空间科技有限公司 | Two-dimentional vibration reduction platform |
| CN109578502B (en) * | 2018-12-29 | 2024-04-02 | 北京星际荣耀空间科技股份有限公司 | Two-dimensional vibration reduction platform |
| CN110989782A (en) * | 2019-10-14 | 2020-04-10 | 中国航空工业集团公司洛阳电光设备研究所 | A shock absorber for a functional module in an electronic device and a method of using the same |
| CN110989782B (en) * | 2019-10-14 | 2023-03-21 | 中国航空工业集团公司洛阳电光设备研究所 | Shock absorber of functional module in electronic equipment and use method |
| CN111734765A (en) * | 2020-05-22 | 2020-10-02 | 韩锦桐 | Variable-rigidity rubber damping shock absorber |
| CN114673762A (en) * | 2022-03-28 | 2022-06-28 | 宁波天擎航天科技有限公司 | Shock absorber of single machine for arrow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170720 Address after: 431400 Hubei province Wuhan Honggang village in Xinzhou District of Yangluo Economic Development Zone, Yangluo Development Zone, five floor, room 504 Patentee after: Aerospace Science and engineering Rocket Technology Co., Ltd. Address before: 432000 box 56, Beijing Road, Hubei, Xiaogan Patentee before: Hubei Sanjiang Aerospace Wanfeng Technology Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |