CN210722722U - Noise reduction device for dry-type transformer - Google Patents
Noise reduction device for dry-type transformer Download PDFInfo
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- CN210722722U CN210722722U CN201922044181.9U CN201922044181U CN210722722U CN 210722722 U CN210722722 U CN 210722722U CN 201922044181 U CN201922044181 U CN 201922044181U CN 210722722 U CN210722722 U CN 210722722U
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Abstract
The utility model relates to the field of auxiliary equipment of transformers, in particular to a noise reduction device of a dry-type transformer, which comprises a base and a bearing plate, wherein two supporting seats are arranged at the top of the base along the vertical central axis of the base in a bilateral symmetry way; a buffer plate is horizontally and transversely arranged between the two supporting seats, a primary damping mechanism is arranged between the buffer plate and the bearing plate, and a secondary damping mechanism is arranged between the buffer plate and the base; two long edges of the pressure bearing plate are vertically connected with side plates, the tops of the side plates are flush with the top of the pressure bearing plate, and the two supporting seats are positioned between the two side plates; and a horizontal longitudinal damping component is respectively arranged between each side plate and the two supporting seats at the same side. Through the cooperation of the two-stage damping mechanism and the horizontal longitudinal damping assembly, the vibration generated by the dry-type transformer can be damped in multiple directions vertically and horizontally, the dry-type transformer is buffered layer by layer, the anti-seismic performance is good, and the noise caused by the transformer in operation is reduced.
Description
Technical Field
The utility model relates to a transformer auxiliary assembly field, concretely relates to device of making an uproar falls in dry-type transformer.
Background
The dry-type transformer is widely applied to places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like, is increasingly used along with the continuous promotion of urbanization in China, and provides electric energy for places such as high-rise residential districts, office buildings, hospitals, hotels and the like. However, when the dry-type transformer operates, the alternating magnetic field of the dry-type transformer generates periodic alternating acting force on the iron core and the coil to cause the dry-type transformer to vibrate on the installed base plate to generate noise, and the noise not only influences the daily life of people in a building, but also seriously causes bad influence on the health of the people. Therefore, a noise reduction device is needed to reduce the vibration generated by the operation of the dry-type transformer, so as to reduce the noise generated by the vibration.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, provide a device of making an uproar falls in dry-type transformer.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a noise reduction device for a dry-type transformer comprises a base and a bearing plate, wherein two supporting seats which are symmetrically arranged along the left and right of the vertical central axis of the base are arranged at the top of the base, and the bearing plate is arranged above the supporting seats;
a buffer plate is horizontally and transversely arranged between the two supporting seats, a primary damping mechanism is arranged between the buffer plate and the bearing plate, and a secondary damping mechanism is arranged between the buffer plate and the base;
the primary damping mechanism comprises springs I, the two springs I are symmetrically arranged on the buffer plate along the vertical central axis of the buffer plate in a left-right mode, the upper end of each spring I is abutted to the bottom of the bearing plate, and the lower end of each spring I is abutted to the top of the buffer plate;
the secondary damping mechanism comprises a vertical damping assembly and a horizontal transverse damping assembly, the vertical damping assembly comprises springs II, the two springs II are symmetrically arranged on the base along the vertical central axis of the buffer plate in a left-right mode, the upper end of each spring II abuts against the bottom of the buffer plate, and the lower end of each spring II abuts against the base;
the two horizontal shock absorption assemblies are symmetrically arranged on the two sides of the vertical shock absorption assembly along the vertical central axis of the buffer plate; the horizontal transverse damping assembly comprises a pushing block, a connecting rod and a spring III, the pushing block is arranged on the base in a sliding mode along the horizontal transverse direction, and two ends of the connecting rod are hinged to the buffer plate and the pushing block respectively; spring III sets up between the ejector pad and the supporting seat that corresponds one side, spring III's one end butt supporting seat, spring III's the other end butt ejector pad.
Furthermore, two long edges of the pressure bearing plate are vertically connected with side plates, the tops of the side plates are flush with the top of the pressure bearing plate, and the two supporting seats are positioned between the two side plates;
a horizontal longitudinal damping assembly is arranged between each side plate and the two supporting seats on the same side, and comprises a spring IV and a sliding seat; a sliding groove is formed in the side wall, facing one side of the side plate, of the base along the horizontal longitudinal direction, the spring IV and the sliding seat are arranged in the sliding groove, the sliding seat is embedded in the sliding groove in a sliding mode, the rear end of the sliding seat extends out of the sliding groove, and the spring IV is arranged between the end portion of the sliding groove and the front end of the sliding seat;
the rear end of the sliding seat is vertically provided with a guide groove, the side wall of the side plate close to the rear end of the sliding seat is provided with a guide bulge matched with the guide groove in a shape of fit, and the guide bulge is embedded in the guide groove in a sliding manner.
Furthermore, a dovetail groove matched with the bottom of the pushing block is formed in the top of the base along the sliding direction of the pushing block, and the pushing block can slide along the dovetail groove.
Furthermore, spring seats are arranged at two ends of the spring I and the spring II.
Further, the top of the bearing plate is provided with a rubber pad.
Furthermore, rubber seats are fixed at four corners of the bottom of the base respectively.
The utility model has the advantages that:
(1) the utility model discloses a device of making an uproar falls in dry-type transformer, it is through setting up one-level damper between bearing plate and base, and the transformer operation produces the vibration back, can transmit one-level damper through the bearing plate in, thereby spring I vertically takes place elastic deformation and cushions some vibrations, has reduced the vibration transmission when transformer operation. Spring I continues to be compressed, during vibration continues to be transmitted to second grade damper, the buffer board acts on vertical damper and horizontal damper simultaneously, I extrusion buffer board of spring, make II compression deformation of spring of buffer board bottom to and the connecting rod drives two ejector pads and extrudees spring III at the horizontal while, spring II and III simultaneous compression deformation of spring can further cushion the vibration that dry-type transformer produced, make dry-type transformer and concrete foundation's rigid contact turn into elastic contact. The utility model discloses a device of making an uproar falls through the cooperation of two-stage damper, can play diversified shock attenuation simultaneously vertical and horizontal vibration that produces for dry-type transformer, cushions layer upon layer, and anti-seismic performance is good, has reduced the noise that brings when transformer operation.
(2) Through setting up horizontal vertical damper, when the bearing plate receives the ascending vibration of horizontal longitudinal direction, the direction arch can be along vertical slip in the guide way to along horizontal longitudinal extrusion slide, thereby make slide extrusion spring IV, spring IV is by compressive deformation can cushion the ascending vibration of horizontal longitudinal direction. The utility model discloses a device of making an uproar falls can vertically carry out the bradyseism simultaneously at vertical, horizontal and level, has improved the bradyseism performance that should fall the device of making an uproar greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural view of a noise reduction device of a dry-type transformer according to the present invention;
FIG. 2 is a schematic cross-sectional view of a noise reducer;
FIG. 3 is a schematic sectional view taken along line A-A of FIG. 2;
fig. 4 is a partial cross-sectional view of B-B in fig. 3.
Reference numerals:
the damping device comprises a base 1, a support 11, a 111-sliding groove, a 12-dovetail groove, a 2-bearing plate, a 21-side plate, a 211-guide protrusion, a 3-buffer plate, a 4-primary damping mechanism, a 41-spring I, a 5-secondary damping mechanism, a 51-vertical damping component, a 511-spring II, a 52-horizontal transverse damping component, a 521-push block, a 522-connecting rod, a 523-spring III, a 6-horizontal longitudinal damping component, a 61-spring IV, a 62-sliding seat, a 621-guide groove, a 7-spring seat, an 8-rubber pad and a 9-rubber seat.
Detailed Description
The present invention will be described in further detail with reference to examples.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "vertical", "horizontal transverse", "horizontal longitudinal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplified description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The description is made with reference to the directions shown in fig. 1, wherein in fig. 1, the direction a represents the vertical direction, the direction b represents the horizontal transverse direction, and the direction c represents the horizontal longitudinal direction.
Referring to fig. 1 and 2, in order to disclose a noise reduction device for a dry-type transformer, the noise reduction device comprises a base 1 and a bearing plate 2, two supporting seats 11 are arranged on the top of the base 1 along the vertical central axis of the base 1 in a bilateral symmetry manner, and the bearing plate 2 is arranged above the supporting seats 11; a buffer plate 3 is horizontally and transversely arranged between the two supporting seats 11, a primary damping mechanism 4 is arranged between the buffer plate 3 and the bearing plate 2, and a secondary damping mechanism 5 is arranged between the buffer plate 3 and the base 1; the primary damping mechanism 4 comprises springs I41, the two springs I41 are symmetrically arranged on the buffer plate 3 along the vertical central axis of the buffer plate 3 in a left-right mode, the upper end of each spring I41 is abutted to the bottom of the bearing plate 2, and the lower end of each spring I41 is abutted to the top of the buffer plate 3; the secondary damping mechanism 5 comprises a vertical damping component 51 and a horizontal damping component 52, the vertical damping component 51 comprises springs II 511, the two springs II 511 are symmetrically arranged on the base 1 along the vertical central axis of the buffer plate 3 in a left-right mode, the upper end of each spring II 511 is abutted to the bottom of the buffer plate 3, and the lower end of each spring II 511 is abutted to the base 1; two horizontal lateral shock-absorbing assemblies 52 are arranged on both sides of the vertical shock-absorbing assembly 51 in bilateral symmetry along the vertical central axis of the buffer plate 3; the horizontal transverse shock absorption assembly 52 comprises a push block 521, a connecting rod 522 and a spring III 523, wherein the push block 521 is arranged on the base 1 in a horizontally transverse sliding manner, and two ends of the connecting rod 522 are respectively hinged to the buffer plate 3 and the push block 521; the spring III 523 is arranged between the pushing block 521 and the corresponding supporting seat 11, one end of the spring III 523 is abutted against the supporting seat 11, and the other end of the spring III 523 is abutted against the pushing block 521.
The utility model discloses a device of making an uproar falls includes base 1 and sets up the bearing plate 2 that is used for supporting the transformer on base 1, and base 1's top is provided with two supporting seats 11 to it is shown in fig. 2, and two supporting seats 11 are "concave" shape structure with base 1 along vertical cross-section, and one-level damper 4 then sets up among above-mentioned "concave" shape structure with second grade damper 5.
After the dry-type transformer operates and produces the vibration, through set up one-level damper 4 between bearing plate 2 and base 1, the vibration can transmit one-level damper 4 through bearing plate 2 in, the vertical spring I41 that takes place elastic deformation after the bearing can cushion some vibrations, has consequently reduced the transmission of vibration when the transformer operates.
Further, spring I41 is pressed to extrude buffer plate 3, the gravity and the vibration of equipment continue to be transmitted to second grade damper 5, buffer plate 3 acts on vertical damper 51 and horizontal damper 52 simultaneously, spring I41 extrudes buffer plate 3, make the compression deformation of spring II 511 of buffer plate 3 bottom, and connecting rod 522 drives two ejector pads 521 and extrudes spring III 523 at the horizontal while, spring II 511 and spring III 523 are compressed deformation simultaneously and can further cushion the vibration that dry-type transformer produced, make the rigid contact of dry-type transformer and concrete base convert into elastic contact. The utility model discloses a device of making an uproar falls, through two-stage damper's cooperation, can be simultaneously vertical and horizontal vibration play diversified shock attenuation for dry-type transformer produces, cushion layer upon layer, and anti-seismic performance is good, has reduced the noise that brings when transformer operation.
Wherein, two long sides of the pressure bearing plate 2 are vertically connected with side plates 21, the top of the side plate 21 is flush with the top of the pressure bearing plate 2, and the two supporting seats 11 are positioned between the two side plates 21; a horizontal longitudinal damping assembly 6 is arranged between each side plate 21 and the two supporting seats 11 on the same side, and each horizontal longitudinal damping assembly 6 comprises a spring IV 61 and a sliding seat 62; a sliding groove 111 is formed in the side wall of the base 1, facing to one side of the side plate 21, along the horizontal longitudinal direction, a spring IV 61 and a sliding seat 62 are arranged in the sliding groove 111, the sliding seat 62 is embedded in the sliding groove 111 in a sliding manner, the rear end of the sliding seat 62 extends out of the sliding groove 111, and the spring IV 61 is arranged between the end part of the sliding groove 111 and the front end of the sliding seat 62; the rear end of the sliding base 62 is vertically provided with a guide groove 621, the side wall of the side plate 21 close to the rear end of the sliding base 62 is provided with a guide protrusion 211 matched with the guide groove 621 in a form fit manner, and the guide protrusion 211 is embedded in the guide groove 621 in a sliding manner.
As shown in fig. 1, two side plates 21 are horizontally and horizontally disposed at two side edges of the bearing plate 2, the two side plates 21 are disposed in parallel, and two support seats 11 are disposed between the two side plates 21. Each side plate 21 is connected with the two supporting seats 11 on the same side through the horizontal longitudinal damping assemblies 6, so that the number of the horizontal longitudinal damping assemblies 6 is four, and the two horizontal longitudinal damping assemblies 6 on the same supporting seat 11 are located on the same horizontal longitudinal direction.
When the dry-type transformer generates vibration, the direction of the vibration may be irregular, and the primary damping mechanism 4 and the secondary damping mechanism 5 can damp the vibration in the vertical direction and the horizontal direction. Therefore, by providing the horizontal longitudinal damping member 6, when the pressure bearing plate 2 is vibrated in the horizontal longitudinal direction, the guide protrusion 211 slides vertically in the guide groove 621 and presses the slide base 62 in the horizontal longitudinal direction, so that the slide base 62 presses the spring iv 61, and the spring iv 61 is compressed and deformed to damp the vibration in the horizontal longitudinal direction. The utility model discloses a device of making an uproar falls can vertically carry out the bradyseism simultaneously at vertical, horizontal and level, has improved the bradyseism performance that should fall the device of making an uproar greatly.
In order to improve the stability of the pushing block 521 with the base 1 in the sliding process, the top of the base 1 is provided with a dovetail groove 12 matching with the bottom of the pushing block 521 along the sliding direction of the pushing block 521, and the pushing block 521 can slide along the dovetail groove 12.
In order to avoid the swing of the spring I41 and the spring II 511 in the process of being extruded, spring seats 7 are arranged at two ends of the spring I41 and the spring II 511.
In order to buffer the impact force of the transformer vibration on the bearing plate 2 and avoid rigid connection between the base 1 and the concrete foundation, the top of the bearing plate 2 is provided with a rubber pad 8, and four corners of the bottom of the base 1 are respectively fixed with rubber seats 9.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. A noise reduction device for a dry-type transformer is characterized in that: the device comprises a base and a bearing plate, wherein two supporting seats which are symmetrically arranged along the vertical central axis of the base are arranged at the top of the base, and the bearing plate is arranged above the supporting seats;
a buffer plate is horizontally and transversely arranged between the two supporting seats, a primary damping mechanism is arranged between the buffer plate and the bearing plate, and a secondary damping mechanism is arranged between the buffer plate and the base;
the primary damping mechanism comprises springs I, the two springs I are symmetrically arranged on the buffer plate along the vertical central axis of the buffer plate in a left-right mode, the upper end of each spring I is abutted to the bottom of the bearing plate, and the lower end of each spring I is abutted to the top of the buffer plate;
the secondary damping mechanism comprises a vertical damping assembly and a horizontal transverse damping assembly, the vertical damping assembly comprises springs II, the two springs II are symmetrically arranged on the base along the vertical central axis of the buffer plate in a left-right mode, the upper end of each spring II abuts against the bottom of the buffer plate, and the lower end of each spring II abuts against the base;
the two horizontal shock absorption assemblies are symmetrically arranged on the two sides of the vertical shock absorption assembly along the vertical central axis of the buffer plate; the horizontal transverse damping assembly comprises a pushing block, a connecting rod and a spring III, the pushing block is arranged on the base in a sliding mode along the horizontal transverse direction, and two ends of the connecting rod are hinged to the buffer plate and the pushing block respectively; spring III sets up between the ejector pad and the supporting seat that corresponds one side, spring III's one end butt supporting seat, spring III's the other end butt ejector pad.
2. A dry transformer noise reduction device according to claim 1, wherein: two long edges of the pressure bearing plate are vertically connected with side plates, the tops of the side plates are flush with the top of the pressure bearing plate, and the two supporting seats are positioned between the two side plates;
a horizontal longitudinal damping assembly is arranged between each side plate and the two supporting seats on the same side, and comprises a spring IV and a sliding seat; a sliding groove is formed in the side wall, facing one side of the side plate, of the base along the horizontal longitudinal direction, the spring IV and the sliding seat are arranged in the sliding groove, the sliding seat is embedded in the sliding groove in a sliding mode, the rear end of the sliding seat extends out of the sliding groove, and the spring IV is arranged between the end portion of the sliding groove and the front end of the sliding seat;
the rear end of the sliding seat is vertically provided with a guide groove, the side wall of the side plate close to the rear end of the sliding seat is provided with a guide bulge matched with the guide groove in a shape of fit, and the guide bulge is embedded in the guide groove in a sliding manner.
3. A dry transformer noise reduction device according to claim 1, wherein: the top of the base is provided with a dovetail groove matched with the bottom of the push block along the sliding direction of the push block, and the push block can slide along the dovetail groove.
4. A dry transformer noise reduction device according to claim 1, wherein: spring seats are arranged at two ends of the spring I and the spring II.
5. A dry transformer noise reduction device according to claim 1, wherein: and a rubber pad is arranged at the top of the bearing plate.
6. A dry transformer noise reduction device according to claim 1, wherein: and rubber seats are respectively fixed at four corners of the bottom of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044181.9U CN210722722U (en) | 2019-11-22 | 2019-11-22 | Noise reduction device for dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922044181.9U CN210722722U (en) | 2019-11-22 | 2019-11-22 | Noise reduction device for dry-type transformer |
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| Publication Number | Publication Date |
|---|---|
| CN210722722U true CN210722722U (en) | 2020-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922044181.9U Active CN210722722U (en) | 2019-11-22 | 2019-11-22 | Noise reduction device for dry-type transformer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112750598A (en) * | 2020-12-28 | 2021-05-04 | 中变集团上海变压器有限公司 | Tin bath dry-type transformer with shock absorption and noise reduction functions |
| CN113113862A (en) * | 2021-04-28 | 2021-07-13 | 重庆新大顺电器有限公司 | Device of making an uproar falls in prepackage type transformer substation |
| CN113323129A (en) * | 2021-04-26 | 2021-08-31 | 广东现代建筑设计与顾问有限公司 | BIM technology-based fabricated building and design method |
| CN113488325A (en) * | 2021-07-03 | 2021-10-08 | 江西广能电气设备有限公司 | Low-noise dry-type transformer |
-
2019
- 2019-11-22 CN CN201922044181.9U patent/CN210722722U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112750598A (en) * | 2020-12-28 | 2021-05-04 | 中变集团上海变压器有限公司 | Tin bath dry-type transformer with shock absorption and noise reduction functions |
| CN113323129A (en) * | 2021-04-26 | 2021-08-31 | 广东现代建筑设计与顾问有限公司 | BIM technology-based fabricated building and design method |
| CN113113862A (en) * | 2021-04-28 | 2021-07-13 | 重庆新大顺电器有限公司 | Device of making an uproar falls in prepackage type transformer substation |
| CN113113862B (en) * | 2021-04-28 | 2023-03-21 | 重庆新大顺电器有限公司 | Device of making an uproar falls in prepackage type transformer substation |
| CN113488325A (en) * | 2021-07-03 | 2021-10-08 | 江西广能电气设备有限公司 | Low-noise dry-type transformer |
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