CN212516846U

CN212516846U - Shock absorption and noise reduction device for oil-immersed transformer

Info

Publication number: CN212516846U
Application number: CN202020822710.3U
Authority: CN
Inventors: 宋振环
Original assignee: Xi'an Glroy Electric Technology Co ltd
Current assignee: Xi'an Glroy Electric Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-02-09
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a vibration/noise reduction device for oil-immersed transformer, including the transformer casing, inside iron core and the coil of being equipped with of transformer casing, two bottom plates of transformer casing inner wall symmetry fixedly connected with, two bottom plate opposite sides all are equipped with the recess, two equal fixedly connected with cushions of recess inner wall, the equal fixedly connected with mounting panel of two cushions opposite sides, the iron core both ends with correspond all to be connected through buffer gear between the mounting panel, two mounting panel both sides walls and correspond all to be equipped with coupling mechanism between the recess inner wall, the utility model relates to a vibration/noise reduction device for oil-immersed transformer utilizes multiple damper, can all play fine cushioning effect to iron core horizontal direction and vertical direction, prevents that the iron core can produce stronger noise because of the vibration.

Description

Shock absorption and noise reduction device for oil-immersed transformer

Technical Field

The utility model relates to a vibration/noise reduction device for oil-immersed transformer belongs to transformer technical field.

Background

Distribution transformers are one of the important devices in industrial and mining enterprises and civil building power supply and distribution systems, and reduce the voltage of a 10(6) kV or 35kV network to 230/400V bus voltage used by users. The product is suitable for alternating current of 50(60) Hz and three-phase maximum rated capacity of 2500kVA (single-phase maximum rated capacity 833kVA, a single-phase transformer is not generally recommended), can be used indoors or outdoors, can be arranged on a pole when the capacity is 315kVA or below, and has the environment temperature of not higher than 40 ℃, not lower than-25 ℃, the maximum daily average temperature of 30 ℃, the maximum annual average temperature of 20 ℃, the relative humidity of not more than 90% (environment temperature of 25 ℃) and the altitude of not more than 1000 m.

Oil-immersed transformer wide application is in personnel intensive places such as school, district and mill, because, oil-immersed transformer is at the during operation, and the vibration of iron core is unavoidable, consequently can produce not little noise, influences people's life on every side.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil-immersed transformer is with vibration/noise reduction device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vibration/noise reduction device for oil-immersed transformer, includes the transformer housing, inside iron core and the coil of being equipped with of transformer housing, two of transformer housing inner wall symmetry fixedly connected with bottom plate, two the bottom plate opposite side all is equipped with the recess, two the equal fixedly connected with cushion of recess inner wall, two the equal fixedly connected with mounting panel of cushion opposite side, the iron core both ends with correspond all to be connected through buffer gear between the mounting panel, two all be equipped with coupling mechanism between mounting panel both sides wall and the corresponding recess inner wall.

Preferably, two buffer gear all includes first fixed block, second fixed block, horizontal pole, slider, first spring and second spring, two the first fixed block of the equal fixedly connected with of mounting panel opposite side and second fixed block, two equal fixedly connected with horizontal pole between first fixed block and the corresponding second fixed block, two it is equipped with the slider, two all to overlap on the horizontal pole the slider respectively with iron core both ends tip fixed connection, two equal fixedly connected with second spring, two between slider and the first fixed block equal fixedly connected with first spring, two between slider and the second fixed block first spring of two springs and two second spring overlap respectively and establish in two horizontal pole outsides.

Preferably, two the slider all is equipped with tension mechanism, four with corresponding between first fixed block and the second fixed block tension mechanism all includes first installation piece, second installation piece and extension spring, two equal two first installation pieces of fixedly connected with on the slider, two first fixed block with correspond the equal fixedly connected with second installation piece of second fixed block opposite side, four first installation piece with correspond equal fixedly connected with extension spring between the second installation piece.

Preferably, four coupling mechanism all includes first connecting block, second connecting block, montant and third spring, two the equal fixedly connected with first connecting block of mounting panel both sides wall, two equal fixedly connected with second connecting block, four on the lateral wall of recess both sides the second connecting block all is located and corresponds first connecting block top, four the equal fixedly connected with montant of second connecting block lower extreme, four the montant all cup joints, four with corresponding first connecting block and correspond equal fixedly connected with third spring between the second connecting block, four the third spring is established respectively the cover and is established in four montant outsides.

Preferably, the four vertical rods are connected with the corresponding first connecting blocks in a sliding mode.

Preferably, the two sliding blocks are connected with the corresponding cross rods in a sliding mode.

Compared with the prior art, the beneficial effects of the utility model are that:

1. can play the cushioning effect to the iron core vertical direction through cushion and four coupling mechanism on two recess inner walls to the noise reduction, four coupling mechanism all include first connecting block, second connecting block, montant and third spring, and when two mounting panels drove two first connecting block vertical migration that correspond, through the compression and the drawing to corresponding third spring, two cushions in the deuterogamy, can be fine carry out the cushioning effect to the iron core vertical direction.

2. Two sliders can stretch or compress first spring or second spring when sliding left and right on corresponding horizontal pole, cooperate two extension spring's extension and compression again, can be fine play the cushioning effect to the iron core horizontal direction, further prevent that the iron core from vibrating and producing great noise.

Drawings

FIG. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;

FIG. 3 is an enlarged schematic view of the structure at B of the present invention;

fig. 4 is a schematic view of the mounting plate structure of the present invention.

In the figure: 1. a transformer housing; 2. a rubber pad; 3. a base plate; 4. a buffer mechanism; 41. a first fixed block; 42. a second fixed block; 43. a first spring; 44. a cross bar; 45. a second spring; 46. a slider; 5. a stretching mechanism; 51. a first mounting block; 52. an extension spring; 53. a second mounting block; 6. a connecting mechanism; 61. a first connection block; 62. a vertical rod; 63. a third spring; 64. a second connecting block; 7. mounting a plate; 8. an iron core; 9. a coil; 10. and (4) a groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a vibration/noise reduction device for oil-immersed transformer, including

transformer housing

1, 1 inside iron core 8 and the coil 9 of being equipped with of transformer housing, two bottom plates 3 of 1 inner wall symmetry fixedly connected with of transformer housing, two 3 opposite sides of bottom plate all are equipped with recess 10, two equal fixedly connected with cushion 2 of 10 inner walls of recess, two equal fixedly connected with mounting panels 7 of 2 opposite sides of cushion, 8 both ends of iron core and correspond all to be connected through buffer gear 4 between the mounting panel 7, two 7 both sides walls of mounting panel and correspond and all be equipped with coupling mechanism 6 between the 10 inner walls of recess, utilize multiple damper, can all play fine cushioning effect to 8 horizontal direction of iron core and vertical direction, prevent that 8 can produce stronger noises because of the vibration of iron core.

The four connecting mechanisms 6 comprise first connecting blocks 61, second connecting blocks 64, vertical bars 62 and third springs 63, two side walls of the two mounting plates 7 are fixedly connected with the first connecting blocks 61, two side walls of the two grooves 10 are fixedly connected with the second connecting blocks 64, four second connecting blocks 64 are positioned above the corresponding first connecting blocks 61, the lower ends of the four second connecting blocks 64 are fixedly connected with the vertical bars 62, the four vertical bars 62 are sleeved with the corresponding first connecting blocks 61, the third springs 63 are fixedly connected between the four first connecting blocks 61 and the corresponding second connecting blocks 64, the four third springs 63 are respectively sleeved outside the four vertical bars 62, the four vertical bars 62 are slidably connected with the corresponding first connecting blocks 61, when the two mounting plates 7 drive the corresponding two first connecting blocks 61 to vertically move, the two mounting plates are matched with the two rubber pads 2 by compressing and stretching the corresponding third springs 63, the buffer mechanism comprises two buffer mechanisms 4, two buffer mechanisms 4 and two fixing mechanisms, wherein the two buffer mechanisms 4 can well buffer the iron core 8 in the vertical direction, each buffer mechanism comprises a first fixing block 41, a second fixing block 42, a cross rod 44, a sliding block 46, a first spring 43 and a second spring 45, the opposite sides of two mounting plates 7 are fixedly connected with the first fixing block 41 and the second fixing block 42, the cross rods 44 are fixedly connected between the two first fixing blocks 41 and the corresponding second fixing blocks 42, the sliding blocks 46 are sleeved on the two cross rods 44, the two sliding blocks 46 are respectively and fixedly connected with the end parts of the two ends of the iron core 8, the second springs 45 are respectively and fixedly connected between the two sliding blocks 46 and the first fixing blocks 41, the first springs 43 are respectively and fixedly connected between the two sliding blocks 46 and the second fixing blocks 42, the two first springs 43 and the two second springs 45 are respectively sleeved on the outer sides of the two cross rods 44, the two sliding blocks 46 are respectively and slidably connected with, four stretching mechanism 5 all include first installation piece 51, second installation piece 53 and extension spring 52, two first installation pieces 51 of equal fixedly connected with on two sliders 46, two first fixed blocks 41 and the equal fixedly connected with second installation piece 53 of corresponding second fixed block 42 opposite side, four first installation pieces 51 and correspond equal fixedly connected with extension spring 52 between the second installation piece 53, two sliders 46 are when corresponding horizontal pole 44 on the horizontal pole, can stretch or compress first spring 43 or second spring 45, two extension spring 52's on the deuterogamy extension and compression, can be fine play the cushioning effect to the 8 horizontal direction of iron core, further prevent that iron core 8 from vibrating and produce great noise.

Specifically, the utility model discloses during the use, during the iron core 8 vibrates, two mounting panels 7 drive when two first connecting blocks 61 vertical migration that correspond, through compression and tensile to corresponding third spring 63, two cushion 2 in the deuterogamy, can be fine carry out cushioning effect to the 8 vertical direction of iron core, prevent to produce great noise, and simultaneously, when two sliders 46 slided left and right on corresponding horizontal pole 44, can stretch or compress first spring 43 or second spring 45, deuterogamy go up the extension and the compression of two extension spring 52, can be fine play cushioning effect to the 8 horizontal direction of iron core, further prevent that iron core 8 from vibrating and produce great noise.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vibration/noise reduction device for oil-immersed transformer, includes transformer housing (1), its characterized in that, inside iron core (8) and coil (9) of being equipped with of transformer housing (1), two bottom plate (3) of transformer housing (1) inner wall symmetry fixedly connected with, two bottom plate (3) opposite side all is equipped with recess (10), two equal fixedly connected with cushion (2), two of recess (10) inner wall equal fixedly connected with mounting panel (7) of cushion (2) opposite side, all be connected through buffer gear (4) between iron core (8) both ends and the corresponding mounting panel (7), two all be equipped with coupling mechanism (6) between mounting panel (7) both sides wall and the corresponding recess (10) inner wall.

2. The oil-immersed transformer damping and noise reducing device according to claim 1, wherein: the two buffer mechanisms (4) respectively comprise a first fixed block (41), a second fixed block (42), a cross bar (44), a slide block (46), a first spring (43) and a second spring (45), two first fixed block (41) of mounting panel (7) equal fixedly connected with in opposite side and second fixed block (42), two first fixed block (41) with correspond between second fixed block (42) equal fixedly connected with horizontal pole (44), two all overlap on horizontal pole (44) and be equipped with slider (46), two slider (46) respectively with iron core (8) both ends end fixed connection, two equal fixedly connected with second spring (45), two between slider (46) and first fixed block (41) equal fixedly connected with first spring (43), two between slider (46) and second fixed block (42) first spring (43), two establish respectively in two horizontal pole (44) outsides first spring (43) and two second spring (45).

3. The oil-immersed transformer damping and noise reducing device according to claim 2, wherein: two slider (46) and correspond and all be equipped with stretching mechanism (5), four between first fixed block (41) and second fixed block (42) stretching mechanism (5) all include first installation piece (51), second installation piece (53) and extension spring (52), two equal fixedly connected with two first installation pieces (51), two on slider (46) first fixed block (41) and correspond second fixed block (42) opposite side equal fixedly connected with second installation piece (53), four first installation piece (51) and correspond equal fixedly connected with extension spring (52) between second installation piece (53).

4. The oil-immersed transformer damping and noise reducing device according to claim 1, wherein: four coupling mechanism (6) all include first connecting block (61), second connecting block (64), montant (62) and third spring (63), two the first connecting block (61) of the equal fixedly connected with of mounting panel (7) both sides wall, two equal fixedly connected with second connecting block (64), four on recess (10) both sides lateral wall second connecting block (64) all are located and correspond first connecting block (61) top, four the equal fixedly connected with montant (62) of second connecting block (64) lower extreme, four montant (62) all cup joints with corresponding first connecting block (61), four first connecting block (61) and correspond equal fixedly connected with third spring (63) between second connecting block (64), four third spring (63) are established respectively in four montant (62) outsides.

5. The oil-immersed transformer damping and noise reducing device according to claim 4, wherein: the four vertical rods (62) are connected with the corresponding first connecting blocks (61) in a sliding mode.

6. The oil-immersed transformer damping and noise reducing device according to claim 2, wherein: the two sliding blocks (46) are in sliding connection with the corresponding cross rods (44).