CN214897976U

CN214897976U - Vibration-resistant low-noise power transformer oil tank

Info

Publication number: CN214897976U
Application number: CN202121039726.8U
Authority: CN
Inventors: 周新典
Original assignee: Wuhan Feipu General Equipment Co ltd
Current assignee: Wuhan Feipu General Equipment Co ltd
Priority date: 2021-05-14
Filing date: 2021-05-14
Publication date: 2021-11-26
Anticipated expiration: 2031-05-14

Abstract

The utility model provides a vibration-resistant low-noise power transformer oil tank, which relates to the technical field of transformers and comprises an inner tank body, wherein the side wall and the bottom of the inner tank body are both fixedly connected with a third mounting plate by bolts, the surface of the third mounting plate of the side wall of the inner tank body is fixedly connected with a second buffer device, the surface of the third mounting plate at the bottom of the inner tank body is fixedly connected with a first buffer device, the oil tank is buffered by arranging the first buffer device and the second buffer device between the outer tank body and the inner tank body, the inner side and the outer side of the bottom of the outer tank body are both provided with the first buffer device which can carry out secondary filtration on the vibration in the vertical direction of the oil tank, springs with different elastic coefficients are arranged inside the second buffer device, the vibration in the horizontal direction can be filtered in a layering way, and the mounting plate corresponding to the buffer device is arranged on the surface of the outer tank body, when the buffer device is damaged, the buffer device is convenient to replace and maintain.

Description

Vibration-resistant low-noise power transformer oil tank

Technical Field

The utility model relates to a transformer technical field especially relates to a power transformer oil tank of anti-vibration low noise.

Background

According to patent number CN210692302U, an antidetonation type power transformer oil tank structure relates to transformer technical field. The utility model discloses an antidetonation subassembly, interior box and outer box, the antidetonation subassembly includes drum and plectane, the one end fixed mounting that spacing groove and drum were seted up to the inner wall of drum has the apron, one side rigid coupling of plectane has limiting plate and plectane's opposite side to be cyclic annular rigid coupling to have four fixed blocks, one side rigid coupling of fixed block has the arc, the one end rigid coupling of arc has square slider, the inside position department that is located between apron and the limiting plate of spacing groove is equipped with the gasbag, the spout has been seted up to the position department that the medial surface of outer box corresponds square slider, the interior bottom rigid coupling of outer box has the rubber ball. The utility model discloses a rubber ball, arc, spring and gasbag can carry out the buffering shock attenuation of all directions to the internal box, have increased transformer tank's shock resistance.

Above-mentioned antidetonation type power transformer oil tank structure adopts rubber ball, arc, spring and gasbag to cushion, and the rubber ball is simple at vertical direction buffer structure, and the buffering effect is relatively poor, and outer box is the structure of sealed, and it is big to dismantle the maintenance degree of difficulty when the antidetonation subassembly damages, and the maintenance is complicated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an anti-vibration low-noise power transformer oil tank.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a power transformer oil tank of anti-vibration low noise, includes interior box, the lateral wall and the bottom of interior box all adopt bolt fixedly connected with third mounting panel, the equal fixedly connected with second buffer in surface of the third mounting panel of interior box lateral wall, the first buffer of the equal fixedly connected with in surface of the third mounting panel of interior bottom half, the first mounting panel of the equal fixedly connected with of the other end of second buffer and first buffer, bolt fixedly connected with second mounting panel is all adopted on the surface of first mounting panel, the outer box body of bolt fixedly connected with is all adopted on the surface of second mounting panel, first screw hole has all been seted up on the surface of second mounting panel, the second screw hole has been seted up to the inboard that the surface of second mounting panel is located first screw hole.

Preferably, the first buffer device comprises a first sleeve, a first sliding block, a first spring and a first ejector rod, and the second buffer device comprises a second sleeve, a second ejector rod, a second sliding block, a second spring and a third spring.

Preferably, the bottom of the interior of the first sleeve is fixedly connected with a first spring, the top of the first spring is fixedly connected with a first sliding block, and the top of the first sliding block is fixedly connected with a first ejector rod.

Preferably, both ends of the second sleeve are movably connected with second ejector rods, one ends of the second ejector rods, which are located inside the second sleeve, are fixedly connected with second sliding blocks, a third spring is movably connected between the second sliding blocks, and both ends of the second sliding blocks are movably connected with second springs.

Preferably, the periphery of the bottom of the outer box body is fixedly connected with a first buffer device, and the bottom of the first buffer device is fixedly connected with a supporting base.

Preferably, a first threaded hole is formed in the position, corresponding to the second mounting plate, of the outer box body, and the first threaded hole between the second mounting plate and the outer box body is fixed through a bolt.

Preferably, a third threaded hole is formed in the corresponding position of the first mounting plate and the second mounting plate, and the third threaded hole of the first mounting plate and the second threaded hole of the second mounting plate are fixed through bolts.

Advantageous effects

The utility model discloses in, cushion the oil tank through setting up first buffer and second buffer between outer box and interior box, the bottom inboard and the outside of outer box all are equipped with first buffer, can carry out secondary filter to the vibrations of the vertical direction of oil tank, the inside spring that has set up different elastic coefficient of second buffer, can carry out the layering to the vibrations of horizontal direction and filter, and then reduced the noise that the oil tank produced because of vibrations, the box surface is provided with the mounting panel that corresponds with buffer simultaneously outside, when buffer damaged, the convenience is changed buffer and is maintained.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the outer case of the present invention;

fig. 3 is a schematic view of the internal structure of the second buffer device of the present invention;

fig. 4 is a schematic view of an internal structure of the first buffer device of the present invention.

Illustration of the drawings:

1. an outer case; 2. an inner box body; 3. a first buffer device; 301. a first sleeve; 302. a first slider; 303. a first spring; 304. a first ejector rod; 4. a second buffer device; 401. a second sleeve; 402. A second ejector rod; 403. a second slider; 404. a second spring; 405. a third spring; 5. a first mounting plate; 6. a second mounting plate; 7. a support base; 8. a first threaded hole; 9. a second threaded hole; 10. a third threaded hole; 11. and a third mounting plate.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a vibration-resistant low-noise power transformer tank comprises an inner tank body 2, wherein the side wall and the bottom of the inner tank body 2 are fixedly connected with a third mounting plate 11 by bolts, the surface of the third mounting plate 11 on the side wall of the inner tank body 2 is fixedly connected with a second buffering device 4, the surface of the third mounting plate 11 on the bottom of the inner tank body 2 is fixedly connected with a first buffering device 3, the other ends of the second buffering device 4 and the first buffering device 3 are fixedly connected with a first mounting plate 5, the surface of the first mounting plate 5 is fixedly connected with a second mounting plate 6 by bolts, the surface of the second mounting plate 6 is fixedly connected with an outer tank body 1 by bolts, through holes corresponding to the first mounting plate 5 are formed in the positions of the outer tank body 1 corresponding to the first buffering device 3 and the second buffering device 4, and a first threaded hole 8 is formed in the surface of the second mounting plate 6, the surface of the second mounting plate 6 is provided with a second threaded hole 9 at the inner side of the first threaded hole 8, the first buffer device 3 comprises a first sleeve 301, a first slide block 302, a first spring 303 and a first push rod 304, the second buffer device 4 comprises a second sleeve 401, a second push rod 402, a second slide block 403, a second spring 404 and a third spring 405, the elastic coefficient of the third spring 405 is smaller than that of the second spring 404, the bottom of the inner part of the first sleeve 301 is fixedly connected with the first spring 303, the top of the first spring 303 is fixedly connected with the first slide block 302, the top of the first slide block 302 is fixedly connected with the first push rod 304, both ends of the second sleeve 401 are movably connected with the second push rod 402, one end of the second push rod 402 in the inner part of the second sleeve 401 is fixedly connected with the second slide block 403, the third spring 405 is movably connected between the second slide blocks 403, both ends of the second slide block 403 are movably connected with the second spring 404, the bottom of outer box 1 is fixedly connected with first buffer 3 all around, the bottom fixedly connected with of first buffer 3 supports base 7, first screw hole 8 has been seted up with second mounting panel 6 department of correspondence to outer box 1, first screw hole 8 between second mounting panel 6 and the outer box 1 adopts the bolt fastening, first mounting panel 5 has been seted up third screw hole 10 with second mounting panel 6 department of correspondence, adopt the bolt fastening between the third screw hole 10 of first mounting panel 5 and the second screw hole 9 of second mounting panel 6.

The utility model discloses a theory of operation: fixing a transformer iron core, a coil and the like in an inner box body 2, filling insulating oil into the inner box body 2, sealing the top of the inner box body 2, fixedly connecting a first buffer device 3 at the bottom side of the inner part of an outer box body 1 through a bolt, fixedly connecting a first mounting plate 5 at the top of the first buffer device 3 with the bottom of the inner box body 2 through a bolt, then detaching a second mounting plate 6 at the side wall of the outer box body 1, fixedly connecting a second buffer device 4 with the inner box body 2 through the first mounting plate 5, fixedly connecting the first mounting plate 5 at the other end of the second buffer device 4 with the second mounting plate 6 through a bolt, arranging the first buffer device 3 and the second buffer device 4 between the outer box body 1 and the inner box body 2 to buffer an oil tank, arranging the first buffer device 3 at the inner side and the outer side of the bottom of the outer box body 1, and performing secondary filtration on the vibration of the oil tank in the vertical direction, and the elastic modulus of the first spring 303 in the first buffer 3 inside and outside the bottom of the outer box 1 is larger than the elastic modulus of the first spring 303 in the first buffer 3 inside the bottom of the outer box 1, the supporting effect on the whole oil tank is better, the elastic coefficient of the third spring 405 inside the second buffer device 4 is smaller than that of the second spring 404, the third spring 405 can filter weak vibration, the second spring 404 can filter strong vibration, thereby realizing the layered filtration of the vibration in the horizontal direction, further reducing the noise of the oil tank caused by the vibration, a second mounting plate 6 corresponding to the first buffer device 3 and the second buffer device 4 is arranged on the surface of the outer box body 1, when the first buffer device 3 and the second buffer device 4 in the outer box body 1 are damaged, the buffer devices are conveniently replaced and maintained by detaching the second mounting plate 6.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a power transformer oil tank of anti-vibration low noise, includes interior box (2), its characterized in that: the side wall and the bottom of the inner box body (2) are fixedly connected with a third mounting plate (11) by bolts, the surfaces of the third mounting plates (11) on the side walls of the inner box body (2) are fixedly connected with second buffer devices (4), the surfaces of the third mounting plates (11) at the bottom of the inner box body (2) are fixedly connected with first buffer devices (3), the other ends of the second buffer device (4) and the first buffer device (3) are fixedly connected with a first mounting plate (5), the surfaces of the first mounting plates (5) are fixedly connected with second mounting plates (6) by bolts, the surfaces of the second mounting plates (6) are fixedly connected with an outer box body (1) by bolts, the surfaces of the second mounting plates (6) are all provided with first threaded holes (8), and a second threaded hole (9) is formed in the surface of the second mounting plate (6) and positioned on the inner side of the first threaded hole (8).

2. An anti-vibration low noise power transformer tank as claimed in claim 1, wherein: the first buffer device (3) comprises a first sleeve (301), a first sliding block (302), a first spring (303) and a first ejector rod (304), and the second buffer device (4) comprises a second sleeve (401), a second ejector rod (402), a second sliding block (403), a second spring (404) and a third spring (405).

3. An anti-vibration low noise power transformer tank as claimed in claim 2, wherein: the inner bottom of the first sleeve (301) is fixedly connected with a first spring (303), the top of the first spring (303) is fixedly connected with a first sliding block (302), and the top of the first sliding block (302) is fixedly connected with a first ejector rod (304).

4. An anti-vibration low noise power transformer tank as claimed in claim 2, wherein: the both ends of second sleeve (401) all swing joint have second ejector pin (402), the equal fixedly connected with second slider (403) of one end that second ejector pin (402) are located the inside of second sleeve (401), swing joint has third spring (405) between second slider (403), the both ends swing joint of second slider (403) has second spring (404).

5. An anti-vibration low noise power transformer tank as claimed in claim 1, wherein: the bottom of outer box (1) is fixedly connected with first buffer (3) all around, the bottom fixedly connected with of first buffer (3) supports base (7).

6. An anti-vibration low noise power transformer tank as claimed in claim 1, wherein: first screw hole (8) have been seted up with second mounting panel (6) department of outer box (1) correspondence, first screw hole (8) between second mounting panel (6) and outer box (1) adopt the bolt fastening.

7. An anti-vibration low noise power transformer tank as claimed in claim 1, wherein: third screw hole (10) have been seted up to first mounting panel (5) and second mounting panel (6) department of correspondence, adopt the bolt fastening between third screw hole (10) of first mounting panel (5) and second screw hole (9) of second mounting panel (6).