CN210516449U

CN210516449U - Noise reduction structure of power transformer

Info

Publication number: CN210516449U
Application number: CN201921980415.4U
Authority: CN
Inventors: 许二兵
Original assignee: Jiangsu Siyang Zhongkai Electric Power Technology Co Ltd
Current assignee: Jiangsu Siyang Zhongkai Electric Power Technology Co Ltd
Priority date: 2019-11-16
Filing date: 2019-11-16
Publication date: 2020-05-12
Anticipated expiration: 2029-11-16

Abstract

The utility model relates to a power transformer technical field just discloses a structure of making an uproar falls in power transformer, the power distribution box comprises a box body, the inner wall fixedly connected with puigging of box, the louvre has all been seted up at both ends about the box, the locating hole has all been seted up at both ends about the inner chamber bottom of the box, the inside swing joint of locating hole has the fixed block, there is transformer body at the top of fixed block through bolt swing joint, transformer body's top fixedly connected with quantity is three terminal, the equal fixedly connected with radiator in both ends about transformer body, spacing hole has all been seted up at both ends about the fixed block, the bottom fixedly connected with servo motor of box. This structure of making an uproar falls in power transformer, whole noise reduction effect is good, and easy to assemble transformer body need not to use the bolt fastening, and the installation is stable simultaneously, and the heat dissipation is good, facilitates the use, is applicable to various conditions.

Description

Noise reduction structure of power transformer

Technical Field

The utility model relates to a power transformer technical field specifically is a power transformer structure of making an uproar falls.

Background

The transformer is a static electric device for transforming ac voltage and current to transmit ac power, and the transformer is classified into a power transformer, a test transformer, an instrument transformer and a special purpose transformer according to the principle of electromagnetic induction to transmit power.

The power transformer is one of the main equipment of power plant and electric substation, and the current power transformer structure of making an uproar of falling on the market at present has the shortcoming that the noise reduction effect is poor, and when using, the noise limiting measure that current manufacturing process took is mostly ware body bottom and adds cushion and iron core seam processing etc. and the effect is all unsatisfactory, and it is single to fall the mode of making an uproar, is not convenient for use, so proposes above-mentioned power transformer and makes an uproar structure of falling in order to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a structure of making an uproar falls in power transformer possesses advantages such as noise reduction effect is good, has solved when using, and the limited noise measure that current manufacturing process took is mostly ware body bottom and adds cushion and iron core seam processing etc. and the effect is all unsatisfactory, and the mode of making an uproar is single, the problem of being not convenient for to use of just falling.

(II) technical scheme

For the good purpose of realizing above-mentioned noise reduction effect, the utility model provides a following technical scheme: a noise reduction structure of a power transformer comprises a box body, wherein a sound insulation layer is fixedly connected to the inner wall of the box body, heat dissipation holes are formed in the left end and the right end of the box body, positioning holes are formed in the left end and the right end of the bottom of an inner cavity of the box body, a fixing block is movably connected to the inside of each positioning hole, the top of each fixing block is movably connected with a transformer body through a bolt, three binding posts are fixedly connected to the top of each transformer body, radiators are fixedly connected to the left end and the right end of each transformer body, limiting holes are formed in the left end and the right end of each fixing block, a servo motor is fixedly connected to the bottom of the box body, a driving bevel gear is fixedly connected to an output shaft of the servo motor, threaded sleeves are slidably connected to the inner sides of the limiting holes, clamping holes are formed in the bottoms of the left end and the right end of, and a screw rod is in threaded connection between the opposite sides of the inner cavities of the two threaded sleeves, a driven bevel gear is fixedly connected to the outer surface of the screw rod, and support columns are fixedly connected to the periphery of the bottom of the box body.

Preferably, the soundproof layer comprises a sound-absorbing plate, the outer wall of the sound-absorbing plate is fixedly connected with a soundproof felt, and the outside of the soundproof felt is fixedly connected with a soundproof plate.

Preferably, the top of the fixing block penetrates through and extends to the outside of the positioning hole, and the fixing block is in an inverted concave shape.

Preferably, the positions of the heat dissipation holes and the position of the radiator are on the same horizontal line, and dust screens corresponding to the heat dissipation holes are fixedly connected to the left end and the right end of the box body.

Preferably, both ends all fixedly connected with the opposite screw thread of direction about the screw rod surface, the thread groove with screw rod surface screw thread looks adaptation is seted up to the inside of thread bush.

Preferably, the thread bush is square, and the clamping hole and the limiting hole are square holes matched with the thread bush.

(III) advantageous effects

Compared with the prior art, the utility model provides a structure of making an uproar falls in power transformer possesses following beneficial effect:

the noise reduction structure of the power transformer is a polyester fiber sound absorption plate through the sound absorption plate, has good sound absorption, flame retardance, moisture resistance and waterproof performance, the sound insulation felt is cellular and is filled with sound absorption cotton, the sound insulation plate is a damping sound insulation plate with a constraint damping structure, and absorbs and isolates noise generated when a transformer body operates, so that the purpose of good noise reduction effect is achieved, the transformer body and a fixed block are fixed, then the fixed block is placed in a positioning hole, the positioning of a driving conical gear and a driven conical gear is realized, the positioning of a thread sleeve and a clamping hole is realized at the same time, an output shaft of a servo motor is controlled by an external controller to rotate and drive the driving conical gear to rotate, so that the driven conical gear drives a screw rod to rotate in a fixed sleeve, and the left end and the right end of the outer surface of the screw rod are fixedly connected with threads, the thread groove with screw rod surface screw thread looks adaptation is seted up to the inside of thread bush, and spacing hole has restricted the thread bush to follow the screw rod and has been circular motion to make two thread bushes remove to the direction of carrying on the back mutually, when the thread bush removed the card downthehole, accomplish the installation to the transformer body, the device whole noise reduction effect is good, and easy to assemble transformer body, need not to use the bolt fastening, and the installation is stable simultaneously, and the heat dissipation is good, facilitates the use, is applicable to various circumstances.

Drawings

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

FIG. 2 is a cross-sectional view of the interior of the soundproof layer of the present invention;

fig. 3 is a perspective view of the screw rod and the threaded sleeve connection of the present invention.

In the figure: the transformer comprises a box body 1, a sound insulation layer 2, a sound absorption board 201, a sound insulation felt 202, a sound insulation board 203, heat dissipation holes 3, positioning holes 4, fixing blocks 5, a transformer body 6, a wiring terminal 7, a radiator 8, a limiting hole 9, a servo motor 10, a driving bevel gear 11, a screw rod 12, a clamping hole 13, a thread sleeve 14, a driven bevel gear 15 and a supporting column 16.

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. 1-3, a noise reduction structure of a power transformer comprises a box body 1, wherein a sound insulation layer 2 is fixedly connected to the inner wall of the box body 1, the sound insulation layer 2 comprises a sound absorption board 201, the sound absorption board 201 is wave-shaped, the sound absorption board 201 is made of polyester fiber sound absorption board and has good sound absorption, flame retardance, moisture resistance and water resistance, a sound insulation felt 202 is fixedly connected to the outer wall of the sound absorption board 201, the interior of the sound insulation felt 202 is cellular and is filled with sound absorption cotton, a sound insulation board 203 is fixedly connected to the exterior of the sound insulation felt 202, the sound insulation board 203 is formed by additionally arranging a polymer damping material between two gypsum boards, the noise reduction structure has the advantages that the transmission capacity is greatly reduced due to the larger sound energy conversion consumption principle of the damping layer, the sound transmission coefficient is low, the sound insulation capacity is greatly improved, heat dissipation holes 3 are formed in the left end and the right end of, the top of the fixing block 5 penetrates through and extends to the outside of the positioning hole 4, the fixing block 5 is in an inverted concave shape, the top of the fixing block 5 is movably connected with a transformer body 6 through bolts, the top of the transformer body 6 is fixedly connected with three binding posts 7, the top of the binding posts 7 penetrates through and extends to the outside of the box body 1, the outer surface of the binding posts 7 is fixedly connected with waterproof sealing rings positioned on the top of the box body 1, the left end and the right end of the transformer body 6 are fixedly connected with radiators 8, the positions of the radiating holes 3 and the positions of the radiators 8 are positioned on the same horizontal line, the left end and the right end of the box body 1 are fixedly connected with dust screens corresponding to the radiating holes 3, the left end and the right end of the fixing block 5 are both provided with limiting holes 9, the bottom of the box body 1 is fixedly connected with a servo motor 10, the servo motor 10, an output shaft of the servo motor 10 is fixedly connected with a driving conical gear 11, the inner side of the limiting hole 9 is slidably connected with a threaded sleeve 14, the threaded sleeve 14 is square, the clamping hole 13 and the limiting hole 9 are square holes matched with the threaded sleeve 14, the left end and the right end of the outer surface of the screw 12 are fixedly connected with threads in opposite directions, a thread groove matched with the threads on the outer surface of the screw 12 is formed in the threaded sleeve 14, the bottoms of the left end and the right end of an inner cavity of the box body 1 are respectively provided with a clamping hole 13, one side of each of the two threaded sleeves 14 opposite to each other penetrates through and extends into the clamping hole 13 and is slidably connected with the clamping hole 13, the screw 12 is in threaded connection between the two sides of the inner cavity of the two threaded sleeves 14, the left end and the right end of the bottom of the fixing block 5 are respectively fixedly connected with a fixing sleeve, the outer surface of the screw 12 is fixedly connected with a driven bevel gear 15, the bottom of the driven bevel gear 15 is meshed with the right side of the driving bevel gear 11, the periphery of the bottom of the box body 1 is fixedly connected with supporting columns 16, the sound-absorbing board 201 is a polyester fiber sound-absorbing board which has good sound-absorbing, flame-retardant, moisture-proof and waterproof performances, the interior of the sound-insulating felt 202 is cellular and is filled with sound-absorbing cotton, the sound-insulating board 203 is a damping sound-insulating board with a constraint damping structure and absorbs and isolates noise generated when the transformer body 6 operates, so that the purpose of good noise reduction effect is achieved, the transformer body 6 and the fixed block 5 are fixed, then the fixed block 5 is placed into the positioning hole 4, the positioning of the driving bevel gear 11 and the driven bevel gear 15 is achieved, meanwhile, the positioning of the thread sleeve 14 and the clamping hole 13 is achieved, the output shaft of the servo motor 10 is controlled to rotate through an external, thereby make driven bevel gear 15 drive screw rod 12 at fixed cover internal rotation, and the equal fixedly connected with opposite screw thread in direction in both ends about screw rod 12 surface, the thread groove with screw rod 12 surface screw thread looks adaptation is seted up to the inside of thread bush 14, spacing hole 9 has restricted thread bush 14 to follow screw rod 12 and has been circular motion, and make two thread bushes 14 move to the direction of carrying on the back mutually, when thread bush 14 moves in calorie hole 13, accomplish the installation to transformer body 6, the device is whole to fall the noise effectual, and easy to assemble transformer body 6, need not to use the bolt fastening, the installation is stable simultaneously, the heat dissipation is good, and convenient to use is applicable to various conditions.

In conclusion, the noise reduction structure of the power transformer has good sound absorption, flame retardation, moisture resistance and waterproof performance because the sound absorption board 201 is a polyester fiber sound absorption board, the sound insulation felt 202 is cellular and is filled with sound absorption cotton, the sound insulation board 203 is a damping sound insulation board with a constrained damping structure, and absorbs and isolates noise generated when the transformer body 6 operates, so that the purpose of good noise reduction effect is achieved, the transformer body 6 and the fixed block 5 are fixed, then the fixed block 5 is placed into the positioning hole 4, the positioning of the driving conical gear 11 and the driven conical gear 15 is realized, the positioning of the thread bush 14 and the clamping hole 13 is realized, the output shaft of the servo motor 10 is controlled to rotate through an external controller, the driving conical gear 11 is driven to rotate, so that the driven conical gear 15 drives the screw 12 to rotate in the fixed bush, and the left end and the right end of the outer surface of the screw 12 are fixedly connected with threads in opposite directions, thread groove with 12 outer surface screw threads looks adaptations of screw rod is seted up to the inside of thread bush 14, spacing hole 9 has restricted thread bush 14 to follow screw rod 12 and has been circular motion, and make two thread bushes 14 remove to the direction of carrying on the back mutually, when thread bush 14 removes in calorie hole 13, accomplish the installation to transformer body 6, the device is whole to fall the noise effect good, and easy to assemble transformer body 6, need not to use the bolt fastening, the installation is stable simultaneously, the heat dissipation is good, convenient to use, be applicable to various situations, when using, the limited noise measure of having solved current manufacturing process and taking is mostly ware body bottom adds cushion and iron core seam processing etc. the effect is all unsatisfactory, and the mode of making an uproar is single, the problem of being not convenient for to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 structure of making an uproar falls in power transformer, includes box (1), its characterized in that: the inner wall of the box body (1) is fixedly connected with a sound insulation layer (2), the left end and the right end of the box body (1) are respectively provided with a heat dissipation hole (3), the left end and the right end of the inner cavity bottom of the box body (1) are respectively provided with a positioning hole (4), the inner part of each positioning hole (4) is movably connected with a fixing block (5), the top of each fixing block (5) is movably connected with a transformer body (6) through a bolt, the top of each transformer body (6) is fixedly connected with three binding posts (7), the left end and the right end of each transformer body (6) are respectively fixedly connected with a radiator (8), the left end and the right end of each fixing block (5) are respectively provided with a limiting hole (9), the bottom of the box body (1) is fixedly connected with a servo motor (10), and the, the inboard sliding connection of spacing hole (9) has thread bush (14), card hole (13), two have all been seted up to the bottom at both ends about box (1) inner chamber one side that thread bush (14) carried on the back mutually all runs through and extends to the inside of card hole (13) and with card hole (13) sliding connection, two threaded connection has screw rod (12) between the relative one side of thread bush (14) inner chamber, the external fixed surface of screw rod (12) is connected with driven bevel gear (15), equal fixedly connected with support column (16) all around of box (1) bottom.

2. A power transformer noise reduction structure according to claim 1, characterized in that: the soundproof layer (2) comprises a sound-absorbing board (201), the outer wall of the sound-absorbing board (201) is fixedly connected with a soundproof felt (202), and the outside of the soundproof felt (202) is fixedly connected with a soundproof board (203).

3. A power transformer noise reduction structure according to claim 1, characterized in that: the top of the fixing block (5) penetrates through and extends to the outside of the positioning hole (4), and the fixing block (5) is in an inverted concave shape.

4. A power transformer noise reduction structure according to claim 1, characterized in that: the positions of the heat dissipation holes (3) and the position of the radiator (8) are on the same horizontal line, and dust screens corresponding to the heat dissipation holes (3) are fixedly connected to the left end and the right end of the box body (1).

5. A power transformer noise reduction structure according to claim 1, characterized in that: the screw rod (12) surface about both ends equal fixedly connected with direction opposite screw thread, the thread groove with screw rod (12) surface screw thread looks adaptation is seted up to the inside of thread bush (14).

6. A power transformer noise reduction structure according to claim 1, characterized in that: the thread bushing (14) is square, and the clamping hole (13) and the limiting hole (9) are square holes matched with the thread bushing (14).