CN2597532Y - Vibration-damping noise-reducing board - Google Patents
Vibration-damping noise-reducing board Download PDFInfo
- Publication number
- CN2597532Y CN2597532Y CNU032201036U CN03220103U CN2597532Y CN 2597532 Y CN2597532 Y CN 2597532Y CN U032201036 U CNU032201036 U CN U032201036U CN 03220103 U CN03220103 U CN 03220103U CN 2597532 Y CN2597532 Y CN 2597532Y
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- vibration
- plate
- plate body
- noise reducing
- boss
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Abstract
The utility model relates to a board used for reducing vibration and resisting noise, which is characterized in that: the board is a splint composed of two plates; a taper boss projecting to the two outsides is evenly and respectively arranged on the two plates of the splint correspondingly; a damping ball is arranged in the inner cavity formed by the two taper bosses; a hole that passes through the whole board is arranged on the board. The design of the structure makes the transmitted vibration form three vibration amplitudes and vibration frequencies, and also provides the vibration with the phase separation, producing the effects of the delay of the transmission displacement and the cancellation of the vibration so as to achieve the goal of reducing the noise. The utility model can be widely applied to the isolation fences at the two sides of the traffic road, the outer decorative board in the traffic tunnel, the decorative materials of the vehicles and carriages and the indoor decoration of work places.
Description
Technical field
The utility model relates to a kind of vibration and noise reducing plate.
Background technology
Noise and vibration is troubling people's life, study, work and rest always, is that human existence condition, quality of life and life security one endanger greatly, is being paid attention to by people widely always.In recent years, particularly the vibration and the noise that cause of traffic engineering endangers increasing, more and more serious to people.The sound arrester of traffic route engineering, employing be the materials such as corrugated sheet, cement concrete slab, waste tire of automobile of plastics compactings heat seal.The corrugated sheet device only can play limited sound insulation, and can not reduce vibration and noise; Cement concrete product can play the effect that absorbs part vibration and reduce noise, but structural volume is huge, and weight is also big, and the weighted design of means of transportation is increased, and the design and construction expense also increases; The waste tire of automobile device has certain absorption vibration and reduces the effect of noise, also exists simultaneously to take the traffic route area and influence appearance of the city defective attractive in appearance.
The reducing of engineering goods vibrates and the approach that reduces noise has two: the one, improve the accuracy of manufacture of moving component and the dynamic equilibrium of moving component, reach the purpose of vibration and noise reducing with this, increased the cost of engineering goods like this, and the accuracy of manufacture that improves moving component is not that the product design functional performance is needed, only is in order to reduce vibration and noise.The environment vibration and noise reducing of dynamic power machine adopts the sealing isolation mounting, generally uses seal closure more, and heat radiation when being unfavorable for power-equipment work so also reduces the power-equipment operating efficiency.Motor seal closure as automobile.The 2nd, the silencing apparatus of automotive emission only is to utilize increase discharging exhaust gas volumes to reach noise elimination, and its result is unsatisfactory, as the offgas duct of motorcycle and tractor.
Summary of the invention
In order to alleviate along with economic development, the vibration that causes by machining, traffic engineering etc. and the harm of noise, the utility model provides a kind of vibration and noise reducing plate.
Concrete structural concept is such: the vibration and noise reducing plate, comprise plate body, it is characterized in that: the clamping plate that plate body is made up of two boards, corresponding respectively evenly arranging is provided with the tapering boss that protrudes to two lateral surfaces on the two boards of clamping plate, is provided with the damping ball in the internal cavities that two tapering boss form; Be provided with the hole of running through plate body between two corresponding tapering boss on the plate body.
The distribution on plate body of described tapering boss and hole is, row's tapering boss, and a round is alternately arranged.
A flat board, the plate body of the described structure of claim 1 together can parallelly successively be established in described plate body one or both sides.
Through hole on the described plate body or be circular hole, or be rectangular opening, or be tri-angle-holed, or be polygonal hole.
Described damping ball rough surface is stained with damping fluid on the surface.
Described tapering boss or be the conicity boss, or be polygon tapering boss.
The utility model since on the plate body design of tapering boss, plane and through hole make the vibration of transmitting form three vibration amplitudes, vibration frequency, and phase difference is arranged, lag behind and produced the transmission displacement, the effect of cancelling out each other reaches the vibration and noise reducing purpose; The design of damping ball spatially produces with vibration, amplitude, the frequency of plate 1 and to lag behind and to the vibration of anti-direction, and phase cancellation and interference also reach the purpose of vibration and noise reducing; According to the needs of vibration and noise reducing, plate body can be carried out Multiple Combination.
The utility model can be widely used in the environment of people's work, study, as can be applicable to the isolated column of the road both sides of highway communication, track traffic; Can be applied to the balustrade exterior panelling of highway tunnel, subway tunnel and train crossing, when passing through to reduce vehicle, the vibration of track, the vibration of air and noise also can reduce the interference of tunnel echo to people; The compartment ornament materials that also can be used for vehicular traffic makes vibration and noise in the vehicle ' import in the compartment with the transfer mode less than former vibration and noise, improves comfort level by bus; Also can make the vibration and noise reducing window of sound insulation ventilation again, reduce outdoor noise and import into indoorly, improve people's habitat condition; Also can be applicable to the interior decoration of workplace, reduce and reduce the vibration and the noise of Work machine equipment generation, also reduce the reflection of indoor noise sound wave; Remove plate 6 plate body is set directly at the machinery equipment surface, also can reach the effect of vibration and noise reducing.
Description of drawings
Fig. 1 is the utility model structural representation, and Fig. 2 is the A-A sectional view of Fig. 1.
The specific embodiment
Embodiment 1
This vibration and noise reducing plate, the clamping plate that its plate body is made up of two boards, the corresponding respectively conicity boss 3 of evenly arranging and protruding on the plate 1 of clamping plate, the plate 2 to two lateral surfaces, in the internal cavities that two conicity boss 3 form damping ball 4 is housed, see Fig. 2, damping ball 4 rough surface are stained with damping fluid on the surface; Have the hole 5 of running through plate body between two corresponding tapering boss on the plate body.Conicity boss 3 is that row's conicity boss 3, one rounds 5 are alternately arranged on plate body with hole 5.Through hole 5 on the plate body or be circular hole, or be rectangular opening, or be tri-angle-holed, or be polygonal hole; See Fig. 1.
On the basis of plate body, according to actual needs plate body is carried out compound use, promptly plate body one side can be parallel successively the installation one dull and stereotyped 6 and the plate body of embodiment 1 described structure together.
In actual the use, the extraneous vibration of transmitting by air or the vibration of machine intimate, produce vibration displacement and excitation force frequency, act on the plate 1 of plate body, because the through hole 5 of plate 1 lobed tapering boss 3, plane and Different Rule makes powerful vibration vibration source be divided into three secondary actions on the space-time on plate 1 surface.Since the tapering boss surface of slave plate 1 to the plane of plate 1 and the hole 5 of passing plate 1 Different Rule have the vertical direction height distance poor, vibration force is transmitted with transmission speed in air inequality in object, vertically acts on the vibration amplitude that causes on the planar object, the unicity of vibration frequency so changed original single vibration source.The utility model forms three vibration amplitudes, vibration frequency, and certain phase difference is arranged, and lags behind and produced the transmission displacement, and the effect of cancelling out each other is to reach the vibration and noise reducing purpose.
They are two years old, extraneous exciting force imports plate 1 surface into, the vibration vibration of impulse damping ball 4 again by plate 1, because the material of the material of damping ball 4 and damping fluid and plate 1 is inequality, intrinsic frequency is inequality, and differs greatly, corresponding vibration, amplitude, frequency and the damping of its generation are also inequality, phase difference is arranged, spatially produce with vibration, amplitude, the frequency of plate 1 and to lag behind and to the vibration of anti-direction, phase cancellation and interference reach the purpose of vibration and noise reducing.
They are three years old, be provided with the damping ball in the internal cavities that the plate 1 of plate body and the tapering boss of plate 2 form, under extraneous exciting force effect, plate 1 produces the vertical direction side-to-side vibrations, be located at the interior damping ball of cavity under the inclined-plane makes progress the component effect, the damping ball is beated to the inclined-plane vertical direction, has decomposed extraneous exciting force and has acted on the plate 1, and the original amplitude of vertical direction of plate 1 is reduced greatly.Extraneous exciting force imports plate 1 into, by the effect of inclined-plane, damping ball, damping fluid, imports plate 2 into the vibration that will act on the plate 1 less than 1 ratio, reaches the purpose of vibration and noise reducing.
They are four years old, plate 1, plate 2 and plate 6 have the through hole 5 of Different Rule, extraneous exciting force acts on the vertical plane of plate 1, make plate 1 produce vibration, under the effect on damping ball, damping fluid, cavity inclined-plane,, produce new plate 2, plate 6 vibration amplitudes to import plate 2 into less than former vibration amplitude, when plate 1, plate 2 and plate 6 vibrated simultaneously, vertical panel 1, plate 6 two sides air pressures were unequal.Plate 1, plate 2 and plate 6 are when the left side vibrates, and plate 1 left-external side air pressure is positive, and the right outside air pressure of plate 6 is born, and obstruct plate 1, plate 2 and plate 6 to vibrate left; Plate 1, plate 2 and plate 6 are when the right vibrates, the right outside air pressure of plate 6 is positive, the right outside air pressure of plate 1 is born, obstruct plate 1, plate 2 and plate 6 to vibrate to the right, play air damping and time-lag action, make plate 1, plate 2 and plate 6 under the effect that is subjected to extraneous exciting force, amplitude reduces, and reaches the purpose of vibration and noise reducing.
Its five, according to the needs of vibration and noise reducing, plate body can be carried out Multiple Combination, the order be plate body, plate 6, plate body.
Claims (6)
1, the vibration and noise reducing plate comprises plate body, it is characterized in that: the clamping plate that plate body is made up of two boards, and corresponding respectively evenly arranging is provided with the tapering boss that protrudes to two lateral surfaces on the two boards of clamping plate, is provided with the damping ball in the internal cavities that two tapering boss form; Be provided with the hole of running through plate body between two corresponding tapering boss on the plate body.
2, vibration and noise reducing plate according to claim 1 is characterized in that: the distribution on plate body of described tapering boss and hole is, row's tapering boss, and a round is alternately arranged.
3, vibration and noise reducing plate according to claim 1 is characterized in that: a flat board, the plate body of the described structure of claim 1 together can parallelly successively be established in described plate body one or both sides.
4, vibration and noise reducing plate according to claim 1 and 2 is characterized in that: the through hole on the described plate body or for circular hole, or be rectangular opening, or be tri-angle-holed, or be polygonal hole.
5, vibration and noise reducing plate according to claim 1 and 2 is characterized in that: described damping ball rough surface is stained with damping fluid on the surface.
6, vibration and noise reducing plate according to claim 1 and 2 is characterized in that: described tapering boss or for the conicity boss, or be polygon tapering boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032201036U CN2597532Y (en) | 2003-02-25 | 2003-02-25 | Vibration-damping noise-reducing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032201036U CN2597532Y (en) | 2003-02-25 | 2003-02-25 | Vibration-damping noise-reducing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2597532Y true CN2597532Y (en) | 2004-01-07 |
Family
ID=34161668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032201036U Expired - Lifetime CN2597532Y (en) | 2003-02-25 | 2003-02-25 | Vibration-damping noise-reducing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2597532Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543059A (en) * | 2011-11-21 | 2012-07-04 | 湖北工业大学 | Damping vibration-attenuation and noise-reduction method as well as pored damping sheet |
| CN108980273A (en) * | 2018-10-12 | 2018-12-11 | 李铁 | A kind of resilient cushion |
-
2003
- 2003-02-25 CN CNU032201036U patent/CN2597532Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543059A (en) * | 2011-11-21 | 2012-07-04 | 湖北工业大学 | Damping vibration-attenuation and noise-reduction method as well as pored damping sheet |
| CN108980273A (en) * | 2018-10-12 | 2018-12-11 | 李铁 | A kind of resilient cushion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130225 Granted publication date: 20040107 |