CN205881626U - A vibration/noise reduction platform for station service transformer is joined in marriage in urban area - Google Patents
A vibration/noise reduction platform for station service transformer is joined in marriage in urban area Download PDFInfo
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- CN205881626U CN205881626U CN201620804146.6U CN201620804146U CN205881626U CN 205881626 U CN205881626 U CN 205881626U CN 201620804146 U CN201620804146 U CN 201620804146U CN 205881626 U CN205881626 U CN 205881626U
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- noise reduction
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- high elasticity
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Abstract
The utility model discloses a vibration/noise reduction platform for station service transformer is joined in marriage in urban area, including compound bumper shock absorber, compound bumper shock absorber includes damping spring, spring holder A, spring holder B, adjusting nut, screw rod, spring holder iron plate, backing plate, channel -section steel, high elasticity foaming polyurethane shock attenuation damping piece, hanging plate, equipment, iron plate, high elasticity foaming polyurethane piece down, and spring holder A and screw rod that damping spring passes through on the spring are connected with hanging plate, the equipment of hoisting, damping spring and from the top down has set gradually adjusting nut and spring holder B, high elasticity foaming polyurethane shock attenuation damping piece and passes through backing plate and channel -section steel frame and on high elasticity foaming polyurethane piece, be provided with iron plate between the high elasticity foaming polyurethane piece between the screw rod, utilize the good damping characteristic of high elasticity foaming polyurethane material under appropriate load condition to combine the shake frequency certainly of spring low, stablize a stable performance of the characteristics design of mechanics, the simple and easy compound bumper shock absorber that has excellent shock attenuation damping performance.
Description
Technical field
This utility model belongs to damping noise reduction technical field, particularly to a kind of damping for city power distribution station transformator
Noise reduction platform.
Background technology
At present for eliminating the damping noise reduction field that structure-borne is made an uproar, the type of amortisseur is diversified.According to subtracting
Whether shake position, device place rotates point, can be divided into fixed (such as support amortisseur) and rotary (such as rotor damping
Device, bearing amortisseur)；Divide by the shock absorption principle of amortisseur, elastic shock attenuation, damping by friction, impact damping, electromagnetism can be divided into subtract
Shake, air damping, fluid damping etc.；Dividing by the vibration-absorptive material of amortisseur to be divided into rubber absorbers, spring damper, air to subtract
Shake device, fluid amortisseur etc.；The basic demand of amortisseur is all vibration kinetic energy as much as possible to be converted into heat energy and dissipates rapidly
Lose in the media of space.
The pluses and minuses of current amortisseur:
Spring damper: advantage: there is stable mechanical property, reliable operation, high temperature resistant, oil resistant is durable；Impact loading
There is good shock-absorbing capacity.Shortcoming: the damping operation for vibration is less, it is impossible to decay vibration efficiently and effectively.
Rubber absorbers: advantage: there is preferable damping capacity；Shortcoming: not oil resistant, weatherability is poor, the most aging, is relatively easily generated
Permanent deformation.
Air bump, fluid amortisseur: vibration isolation defening effect in theory is better than first two, but owing to air bag is formed
Resonant cavity makes air spring fine in low frequency vibration isolation effect, the particularly low-frequency vibration to below 35Hz, and vibration isolating effect is fine, but
In medium-high frequency district, effect is the most undesirable, and price is higher, and structure is complicated.
Accordingly, it is desirable to provide a kind of damping noise reduction platform overcomes drawbacks described above.
Utility model content
For the deficiencies in the prior art, the purpose of this utility model is to provide a kind of subtracting for city power distribution station transformator
Shake noise reduction platform improves vibration isolating effect.
A kind of damping noise reduction platform for city power distribution station transformator, described damping noise reduction platform includes composite shock-absorbing
Device, described composite damper includes damping spring, spring base A, spring base B, adjusting nut, screw rod, lower spring cup iron plate, pad
Plate, channel-section steel, high resiliency polyurathamc damping damping block, hanging board, equipment, iron plate, high resiliency polyurathamc block, described in subtract
Shake spring is connected with hanging board by the spring base A on spring and screw rod, equipment of slinging, described damping spring and described screw rod it
Between be disposed with adjusting nut from top to bottom and spring base B, described high resiliency polyurathamc damping damping block pass through backing plate
With U-steel frame on high resiliency polyurathamc block, between described high resiliency polyurathamc block, it is provided with iron plate.
Preferably, described composite damper puts the one end at transformator, and described composite damper is by being connected with transformator
Bus outwards propagate shock wave, by copper braid over braid be flexible coupling partition external shock ripple.
The technical solution of the utility model has the advantages that
A kind of damping noise reduction platform for city power distribution station transformator that this utility model provides, according to the frequency of transformator
Spectral property, utilizes high resiliency blown polyurethane materials good damping characteristic under suitable load condition to combine the shake certainly of spring
Frequency is low, stablizes a kind of stable performance of the feature design of mechanics, has the simple composite shock-absorbing of the damping damping capacity of excellence
Device.
Accompanying drawing explanation
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Fig. 1 is the structural representation of a kind of damping noise reduction platform for city power distribution station transformator of this utility model；
Fig. 2 is the installation in transformator of a kind of damping noise reduction platform for city power distribution station transformator of this utility model
Figure.
Detailed description of the invention
In order to have a clear understanding of the technical solution of the utility model, its detailed structure be will be set forth in the description that follows.Aobvious
So, the concrete also deficiency of implementing of this utility model embodiment is limited to the specific details that those skilled in the art is familiar with.This reality
It is described in detail as follows with novel preferred embodiment, in addition to these embodiments described in detail, it is also possible to there is other embodiment party
Formula.
With embodiment, this utility model is described in further details below in conjunction with the accompanying drawings.
In conjunction with Fig. 1, figure discloses a kind of damping noise reduction platform for city power distribution station transformator, described damping noise reduction
Platform includes that composite damper 18, described composite damper 18 include damping spring 1, spring base A2, spring base B3, regulation spiral shell
Mother 4, screw rod 5, lower spring cup iron plate 6, backing plate 7, channel-section steel 8, high resiliency polyurathamc damping damping block 9, hanging board 10, equipment
11, iron plate 12, high resiliency polyurathamc block 13, described damping spring 1 is by the spring base A2 on spring and screw rod 5 and hanging
Plate 10 connects, equipment 11 of slinging, be disposed with from top to bottom between described damping spring 1 and described screw rod 5 adjusting nut 4 and
Spring base B3, described high resiliency polyurathamc damping damping block 9 pass through backing plate 7 and channel-section steel 8 frame at high resiliency polyurathamc
On block 13, between described high resiliency polyurathamc block 13, it is provided with iron plate 12.
In conjunction with Fig. 2, described composite damper 18 is arranged on one end of transformator 16, described composite damper 18 by with change
The bus 17 that depressor connects outwards propagates shock wave, be flexible coupling 15 partition external shock ripples by copper braid over braid.
In work process, transformator runs the vibration produced and passes to equipment foot 11 with the form of elastic wave, by being arranged on
The hanging board 10 of foot's (two ends midline away from end face 60mm opens hole, Ф 35mm garden) is sling；Hanging board is pasted by a block plate
The 50mm thickness high resiliency polyurathamc block in hole, one layer of Intermediate Gray Ф 35mm garden, the middle long nut of circular hole M16*40 is welded in steel
On plate, by screw rod, the equipment foot being pressed on polyurethane block is sling；Vibration wave is entered by polyurethane block as damping energy-absorbing material
The preliminary decay of row；Damping spring 1 is connected with hanging board 10 by the spring base A2 on spring and screw rod 5, equipment of slinging；Under spring
It is pressed on high resiliency polyurathamc damping damping block 9 by spring base iron plate, as the damping shock absorption of the second layer, there is self-vibration frequency
The relatively low spring of rate has good damping effect, polyurethane snubber block to have well for the vibrations particularly impact endurance test shock of low frequency
Damping and ability assimilation effect, the combination of bi-material, effectively realize the abatement of vibrations and vibration energy, significantly the declining of amplitude
Subtract.High resiliency polyurathamc damping damping block 9 by backing plate 7, U-steel frame 8 on high resiliency polyurathamc block 13, as
The damping shock absorption pad of third layer, the shock wave of further abatement apparatus, it is ensured that overall damping noise reduction effect.
The shock wave that equipment is outwards propagated by the bus 17 being connected with transformator, cable by bus be flexible coupling 15 every
Disconnected.
High resiliency blown polyurethane materials of the present utility model: have porous structure, can produce bigger compression
Deformation, and in deformation period, absorb energy, there is excellent damping capacity, in the elastic strain district of material, material pressurized
Time less, walls plays the effect being primarily subjected to load.When pressure strengthens, and in microbubble, pressure increases, adjacent bubble phase
Extruding mutually, interacts, bears load；Cell wall flexural deformation simultaneously, absorbs substantial amounts of potential energy, the now damping performance of material
And damping capacity is the most fine；When pressure is gradually increased, and abscess is compacted, subsiding, there is densification in material.And high tenacity foaming is poly-
Urethane material has preferable thermophilic performance, is difficult to the features such as aging；Spring has from shake frequency low, stablizes mechanical property, work
Making reliable, high temperature resistant, oil resistant, durable, impact loading has good shock-absorbing capacity.
This utility model is the spectral characteristic according to transformator, utilizes high resiliency blown polyurethane materials in suitable load
Good damping characteristic under state combines the low from shake frequency of spring, stablizes a kind of stable performance of the feature design of mechanics, tool
There is the simple composite damper of the damping damping capacity of excellence.
Finally should be noted that: it is only limited by above example in order to the technical solution of the utility model to be described
System, although being described in detail this utility model with reference to above-described embodiment, those of ordinary skill in the field are still
Detailed description of the invention of the present utility model can be modified or equivalent, these without departing from this utility model spirit and
Any amendment of scope or equivalent, all within the claims that application is awaited the reply.
Claims (2)
1. the damping noise reduction platform for city power distribution station transformator, it is characterised in that described damping noise reduction platform includes
Composite damper (18), described composite damper (18) includes damping spring (1), spring base A(2), spring base B(3), regulation
Nut (4), screw rod (5), lower spring cup iron plate (6), backing plate (7), channel-section steel (8), high resiliency polyurathamc damping damping block
(9), hanging board (10), equipment (11), iron plate (12), high resiliency polyurathamc block (13), described damping spring (1) passes through bullet
Spring base A(2 on spring) and screw rod (5) be connected with hanging board (10), equipment of slinging (11), described damping spring (1) is with described
Be disposed with adjusting nut (4) and spring base B(3 between screw rod (5) from top to bottom), described high resiliency polyurathamc damping
Damping block (9) by backing plate (7) and channel-section steel (8) frame on high resiliency polyurathamc block (13), the described high resiliency poly-ammonia of foaming
Iron plate (12) it is provided with between ester block (13).
Damping noise reduction platform for city power distribution station transformator the most according to claim 1, it is characterised in that described multiple
Closing amortisseur (18) and be arranged on one end of transformator (16), described composite damper (18) is by the bus being connected with transformator
(17) outwards propagate shock wave, be flexible coupling by copper braid over braid (15) cut off external shock ripple.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620804146.6U CN205881626U (en) | 2016-07-28 | 2016-07-28 | A vibration/noise reduction platform for station service transformer is joined in marriage in urban area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620804146.6U CN205881626U (en) | 2016-07-28 | 2016-07-28 | A vibration/noise reduction platform for station service transformer is joined in marriage in urban area |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205881626U true CN205881626U (en) | 2017-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620804146.6U Active CN205881626U (en) | 2016-07-28 | 2016-07-28 | A vibration/noise reduction platform for station service transformer is joined in marriage in urban area |
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| Country | Link |
|---|---|
| CN (1) | CN205881626U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707417A (en) * | 2021-08-27 | 2021-11-26 | 贵州电网有限责任公司 | Distribution transformer noise reduction device with high barrier rate |
-
2016
- 2016-07-28 CN CN201620804146.6U patent/CN205881626U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113707417A (en) * | 2021-08-27 | 2021-11-26 | 贵州电网有限责任公司 | Distribution transformer noise reduction device with high barrier rate |
| CN113707417B (en) * | 2021-08-27 | 2023-08-08 | 贵州电网有限责任公司 | High-barrier-rate noise reduction device for distribution transformer |
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