CN219203876U - Multidirectional vibration reduction and horizontal vibration isolation structure of power transformation facility - Google Patents
Multidirectional vibration reduction and horizontal vibration isolation structure of power transformation facility Download PDFInfo
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- CN219203876U CN219203876U CN202223368794.6U CN202223368794U CN219203876U CN 219203876 U CN219203876 U CN 219203876U CN 202223368794 U CN202223368794 U CN 202223368794U CN 219203876 U CN219203876 U CN 219203876U
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Abstract
The utility model discloses a multidirectional vibration reduction and horizontal vibration isolation structure of a power transformation facility, which comprises a fixed bottom plate arranged at the bottom of the power transformation facility, a damping part arranged at the bottom of the fixed bottom plate, and a horizontal limiting vibration reduction pile for limiting in the horizontal direction; the power transformation facility and the fixed bottom plate are connected into a whole, so that vibration generated by the power transformation facility is conducted along the fixed bottom plate, and vibration energy dispersion is avoided; vibration energy transmitted in the vertical direction of the fixed bottom plate is absorbed through the vibration reduction damping part, so that the vibration energy is prevented from being transmitted to the concrete foundation; through the spacing damping stake of level, take place the horizontal migration when avoiding becoming electric installation vibration, absorb the vibration energy of horizontal direction simultaneously. The through vibration damping part and the horizontal limiting vibration damping pile are matched with each other, so that the power transformation facility can be more effectively and comprehensively damped, the noise generated by the power transformation facility is reduced, the noise requirement on the power transformation facility under more working environments is met, and the application place of the power transformation facility is wider.
Description
Technical Field
The embodiment of the utility model belongs to the technical field of vibration reduction, and particularly relates to a multidirectional vibration reduction and horizontal vibration isolation structure of a power transformation facility.
Background
A power transformation facility is a common electrical device that generally includes a housing and a core, coils, and power transformation facility oil disposed within the housing. With the increasing expansion of urban construction scale in China, power transmission and transformation equipment such as power transformation facilities installed in urban and rural residential communities and commercial areas are increased day by day, and the power transmission and transformation equipment such as power transformation facilities are mostly directly arranged in residential communities or in places very close to houses. However, the transformer facilities are prone to the following problems when running: (1) The power transformation facilities often generate serious environmental vibration and noise pollution problems when in operation; (2) The vibration of the body of the power transformation facility can propagate to the surrounding through the rigid foundation and the adjacent building structural members, and can induce structural noise, which directly affects the normal life of residents, and even causes discomfort to the nervous system, digestive system and ear cavity of the person.
The conventional vibration and noise reduction measures for the oil-immersed power transformation facilities with high capacity and high voltage level are few, and along with the increasing requirements of the public on the surrounding environment, vibration and noise reduction measures are needed to be supplemented to effectively reduce the noise of the oil-immersed power transformation facilities with high capacity and high voltage level when the oil-immersed power transformation facilities run in a crowd-intensive area so as to meet the environmental noise requirements.
Disclosure of Invention
Aiming at the problems of environmental vibration and noise pollution generated when the existing power transformation facility operates, the utility model provides a multidirectional vibration reduction and horizontal vibration isolation structure of the power transformation facility, which is used for carrying out omnibearing vibration reduction on the power transformation facility and effectively reducing the noise of the power transformation facility.
In order to achieve the above purpose, the utility model provides a multidirectional vibration damping and horizontal vibration isolating structure of a power transformation facility, which comprises a fixed bottom plate fixedly connected with the bottom of the power transformation facility, wherein limit grooves are symmetrically arranged on two sides of the fixed bottom plate; the top of the damping part is provided with a damping part top fixing plate fixedly connected with the fixed bottom plate, and the bottom of the damping part is provided with a damping part bottom fixing plate fixedly connected with the concrete foundation; and the horizontal limiting vibration reduction pile is arranged in the limiting groove and comprises a fixed pile fixedly arranged on the concrete foundation and a high damping elastic layer sleeved on the fixed pile.
Further, the damping part and the high damping elastic layer are made of a plurality of layers of high damping vibration-damping rubber pads, and the number of layers of the damping part and the high damping elastic layer are matched with the vibration frequency of the power transformation facility.
Further, the damping portion and the power transformation facility fixing seat are overlapped in the central axis of the vertical direction.
Further, the limiting groove comprises a first limiting groove and a second limiting groove, and two horizontal limiting vibration reduction piles are respectively arranged in the first limiting groove and the second limiting groove.
Further, the damping portion top fixed plate is fixed with the bottom of the fixed bottom plate through bolts, and the damping portion bottom fixed plate is fixedly connected with the concrete foundation through anchor bolts.
In general, the above technical solutions conceived by the present utility model, compared with the prior art, enable the following beneficial effects to be obtained:
(1) According to the multidirectional vibration reduction and horizontal vibration isolation structure of the power transformation facility, the vibration reduction damping part is arranged at the bottom of the power transformation facility to absorb vibration energy transmitted in the vertical direction, and the horizontal limit vibration reduction piles are arranged on the side edges of the power transformation facility to absorb vibration energy in the horizontal direction, so that the power transformation facility is subjected to omnibearing vibration reduction, noise generated by vibration of a power transformation facility body is effectively reduced, vibration transmission of the power transformation facility to the surrounding environment along a concrete foundation is blocked, and structural noise induced by vibration is avoided.
(2) According to the multidirectional vibration damping and horizontal vibration isolating structure of the power transformation facility, the damping part and the high-damping elastic layer are made of the high-damping vibration damping rubber pads, the high-damping vibration damping rubber pads with the corresponding layers are matched according to the vibration frequency of the power transformation facility, the vibration frequency is reduced, the vibration damping effect is improved, and noise is effectively reduced.
(3) According to the multidirectional vibration reduction and horizontal vibration isolation structure of the power transformation facility, the power transformation facility and the fixed bottom 2 are fixed into a whole, so that vibration generated by the power transformation facility is transmitted to the fixed bottom, the vibration is transmitted outwards through the fixed bottom, the scattered transmission of vibration energy caused by the integral vibration of the power transformation facility is avoided, and further, the cross-sectional area of the power transformation facility is increased through the fixed connection with the bottom fixed plate, the vertical rigidity of the power transformation facility is increased, and the force transmission is more uniform.
(4) According to the multidirectional vibration reduction and horizontal vibration isolation structure of the power transformation facility, the first limit grooves and the second limit grooves are symmetrically formed in the two sides of the fixed bottom plate, and the horizontal displacement of the fixed bottom plate is limited by matching with the horizontal limit vibration reduction piles 8, so that the power transformation facility is prevented from sliding horizontally due to overlarge vibration.
Drawings
Fig. 1 is a side view of a multidirectional vibration damping and horizontal vibration isolation structure of a power transformation facility according to an embodiment of the present utility model;
fig. 2 is a top view of a multidirectional vibration damping and horizontal vibration isolation structure of a power transformation facility according to an embodiment of the present utility model.
Like reference numerals denote like technical features throughout the drawings, in particular: 1-power transformation facilities, 101-power transformation facility fixing seats, 2-fixing bottom plates, 201-first limit grooves, 202-second limit grooves, 3-vibration reduction damping parts, 4-damping part top fixing plates, 5-damping part bottom fixing plates, 6-anchor bolts, 7-concrete foundations, 8-horizontal limit vibration reduction piles, 801-fixing piles and 802-high-damping elastic layers.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1-2, the utility model provides a multidirectional vibration damping and horizontal vibration isolation structure of a power transformation facility, which comprises a fixed bottom plate 2 arranged at the bottom of the power transformation facility 1, a vibration damping part 3 arranged between the fixed bottom plate 2 and a concrete foundation 7, and a horizontal limiting vibration damping pile 8 for limiting the fixed bottom plate 2 in the horizontal direction; the power transformation facility 1 and the fixed bottom plate 2 are connected into a whole, so that vibration generated by the power transformation facility 1 is conducted along the fixed bottom plate 2, vibration energy dispersion is avoided, and meanwhile, the vertical rigidity of the power transformation facility 1 is increased, so that force transmission is more uniform; vibration energy transmitted in the vertical direction of the fixed bottom plate 2 is absorbed through the vibration reduction damping part 3, and is prevented from being transmitted to the concrete foundation 7; through the horizontal limiting vibration reduction pile 8, horizontal deflection is avoided when the power transformation facility 1 vibrates, and meanwhile vibration energy in the horizontal direction is absorbed. The through vibration damping portion 3 and the horizontal limiting vibration damping pile 8 are matched with each other, so that the power transformation facility 1 can be more effectively subjected to omnibearing vibration damping, noise generated by the power transformation facility 1 is reduced, the noise requirement on the power transformation facility under more working environments is met, and the application place of the power transformation facility is wider.
The fixed bottom plate 2 adopts high strength steel plate to make, can bear the pressure that the 1 weight of transformer facility brought, be equipped with the bolt hole site on it, through the cooperation of the transformer facility fixing base 101 of bolt and the 1 transformer facility, can be fixed as an organic wholely with fixed bottom plate 2 with the transformer facility 1, thereby the vibration conduction that the 1 production of transformer facility to fixed bottom plate 2, and outwards transmit vibration by fixed bottom plate 2, avoid the whole vibration of transformer facility 1 to lead to vibration energy dispersion conduction, and further, through the cross-sectional area with the 2 fixed connection of bottom fixed plate has increased the 1 transformer facility, make its vertical rigidity increase, it is more even to pass power.
As shown in fig. 2, the damping portion 3 is disposed at the bottom of the fixed bottom plate 2 and below the fixed seat 101 of the transformer facility, and the central axes of the two vertical directions coincide, so that vibration is transmitted to the concrete foundation 7 along the same axis, and the distance between the stress point and the supporting point is avoided. The damping part 3 is connected with the bottom of the fixed bottom plate 2 through a damping part top fixed plate 4 arranged at the top of the damping part, and is connected with the concrete foundation 7 through a damping part bottom fixed plate 5. The damping portion top fixed plate 4 adopts the bolt to fix with PMKD 2 bottom, damping portion bottom fixed plate carries out fixed connection through rag bolt 6 and concrete foundation to effectively support top load.
In the preferred embodiment of the utility model, the damping part 3 is made of high damping vibration-damping rubber pads, and in order to improve the damping effect, a plurality of layers of damping pads can be used in series, and researches show that as the number of layers of the high damping vibration-damping rubber pads increases, the vibration frequency of the power transformation facility 1 is reduced, so that the vibration is damped and reduced by adapting the vibration frequency of the equipment to the corresponding number of layers of high damping vibration-damping rubber pads, and the vibration is prevented from being transmitted to the concrete foundation 7; meanwhile, the high-damping vibration-damping rubber pad is convenient to install, the corresponding layer number is selected according to the vibration frequency and the load of equipment, construction is performed rapidly, and construction period cost is saved.
In order to prevent the power transformation facility 1 from sliding off the top of the damping part 3 under the action of vibration generated in the horizontal direction, limit grooves are symmetrically formed in the side edges of the fixed bottom plate 2, and the horizontal displacement of the fixed bottom plate 2 is limited by matching with the horizontal limit vibration reduction piles 8, so that the power transformation facility 1 is prevented from sliding horizontally due to overlarge vibration. The limiting grooves comprise a first limiting groove 201 and a second limiting groove 202, the horizontal limiting vibration reduction piles 8 comprise fixing piles 801 fixedly arranged on the concrete foundation 7 and high damping elastic layers 802 sleeved on the fixing piles 801, four high damping elastic layers are arranged and are respectively arranged in the first limiting groove 201 and the second limiting groove 202, one side of each horizontal limiting vibration reduction pile 8 is attached to the side edge of the first limiting groove 201, the other side of each horizontal limiting vibration reduction pile 8 is attached to the bottom of the corresponding first limiting groove 201, and the four horizontal limiting vibration reduction piles 8 are matched with the first limiting groove 201 and the corresponding second limiting groove 202, so that longitudinal displacement and transverse displacement of the horizontal direction of the fixed bottom plate 2 are limited; further, in order to absorb the vibration of the power transformation facility 1 in the horizontal direction, the horizontal limiting vibration reduction pile 8 is sleeved with a high damping elastic layer 802 outside the fixed pile 801, and absorbs the vibration energy after contacting with the fixed bottom plate 2; in the preferred embodiment of the present utility model, the high damping elastic layer 802 may use a corresponding number of high damping rubber pads to match the frequency of vibration of the transformer, so as to avoid the vibration being transmitted to the fixing pile 801.
In the embodiment of the utility model, the power transformation facility 1 and the fixed bottom plate 2 are fixedly connected into a whole, so that vibration energy dispersion and conduction caused by integral vibration of the power transformation facility 1 are avoided, and vibration generated in the vertical direction of the power transformation facility 1 is blocked while load of the power transformation facility 1 is transmitted to the concrete foundation 7 through the damping part top fixed plate 4, the damping part 3 and the damping part bottom fixed plate 5 which are sequentially arranged at the bottom of the fixed bottom plate 2, and the power transformation facility 1 is horizontally limited and vibration in the horizontal direction is absorbed through the cooperation of the horizontal limiting vibration reduction piles 8 and the fixed bottom plate 2. The vibration and noise reduction structure provided by the utility model can realize omnibearing vibration reduction on the power transformation facility 1, has a good vibration reduction effect, can prolong the service life of the power transformation facility, has a simple and easy installation overall structure, is low in construction cost and short in construction period, and has a good application prospect in the technical field of vibration reduction of the power transformation facility.
It will be readily appreciated by those skilled in the art that the foregoing description is merely a preferred embodiment of the utility model and is not intended to limit the utility model, but equivalent substitutions and modifications of the utility model within the spirit and principles of the utility model are intended to be included in the scope of the utility model.
Claims (5)
1. A multidirectional vibration-damping and horizontal vibration-isolating structure of a power transformation facility, comprising:
a fixed bottom plate (2) fixedly connected with the bottom of the power transformation facility (1), and limit grooves are symmetrically arranged on two sides of the fixed bottom plate;
the damping part (3) is arranged at the bottom of the fixed bottom plate (2), the top of the damping part is provided with a damping part top fixed plate fixedly connected with the fixed bottom plate (2), and the bottom of the damping part is provided with a damping part bottom fixed plate (5) fixedly connected with the concrete foundation (7);
and the horizontal limiting vibration reduction pile (8) is arranged in the limiting groove and comprises a fixed pile (801) fixedly arranged on the concrete foundation (7) and a high damping elastic layer (802) sleeved on the fixed pile (801).
2. The multidirectional vibration-damping and horizontal-vibration-isolating structure of a power transformation facility according to claim 1, wherein the damping part (3) and the high-damping elastic layer (802) are made of multi-layer high-damping vibration-damping rubber pads, and the number of layers is adapted to the vibration frequency of the power transformation facility (1).
3. The multidirectional vibration-damping and horizontal vibration-isolating structure of a power transformation facility according to claim 2, wherein the damping portion (3) and the power transformation facility fixing base (101) are coincident in central axis in the vertical direction.
4. A multidirectional vibration-damping and horizontal vibration-isolating structure for a power transformation facility according to any one of claims 1-3, wherein the limiting grooves comprise a first limiting groove (201) and a second limiting groove (202), and the horizontal limiting vibration-damping piles (8) are respectively arranged in the first limiting groove (201) and the second limiting groove (202).
5. A multidirectional vibration-damping and horizontal-vibration-isolating structure for a power transformation facility according to any one of claims 1-3, wherein the damping part top fixing plate (4) is fixed to the bottom of the fixing base plate (2) by bolts, and the damping part bottom fixing plate (5) is fixedly connected with the concrete foundation (7) by anchor bolts (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223368794.6U CN219203876U (en) | 2022-12-15 | 2022-12-15 | Multidirectional vibration reduction and horizontal vibration isolation structure of power transformation facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223368794.6U CN219203876U (en) | 2022-12-15 | 2022-12-15 | Multidirectional vibration reduction and horizontal vibration isolation structure of power transformation facility |
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| Publication Number | Publication Date |
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| CN219203876U true CN219203876U (en) | 2023-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223368794.6U Active CN219203876U (en) | 2022-12-15 | 2022-12-15 | Multidirectional vibration reduction and horizontal vibration isolation structure of power transformation facility |
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| Country | Link |
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| CN (1) | CN219203876U (en) |
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- 2022-12-15 CN CN202223368794.6U patent/CN219203876U/en active Active
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