Anti-seismic device for transformer body

Abstract

The utility model discloses a transformer body anti-shock device which comprises a plurality of insulation supporting assemblies arranged on the bottom wall in an oil tank, the insulation supporting assemblies are used for supporting a transformer body, each insulation supporting assembly comprises an insulation rubber plate and an insulation paper plate, the insulation paper plates are fixedly arranged on the top faces of the insulation rubber plates, and the insulation paper plates are fixedly arranged on the top faces of the insulation rubber plates. Limiting assemblies matched with the four edges of the insulating rubber plate are arranged on the bottom wall in the oil tank. The anti-seismic device for the transformer body belongs to the technical field of transformer body supporting, the insulating rubber plates and the insulating paperboards of the insulating supporting assemblies are arranged to support the transformer body, and the insulating rubber plates and the insulating paperboards have a buffering effect, so that a certain anti-seismic effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer body support, and more specifically, to a transformer body anti-vibration device. Background Art

[0002] The transformer body is immersed in the oil tank, and is usually in direct rigid contact with the supporting structure of the inner wall of the oil tank through a bolt structure, and is mainly fixed by bolts, so the anti-seismic effect is poor; moreover, in the prior art, in order to improve the anti-seismic ability of the transformer body, the transformer body is supported by feet, and a rubber pad is arranged between the feet and the bottom of the transformer body, and the rubber pad is fixed by bolts, and the openings on the rubber pad are adapted to the bolts, and the positioning pins are matched for positioning. Due to the vibration of the transformer body, the openings and the bolts will wear out under the vibration of themselves during the long-term operation, resulting in an increase in the aperture, and the rubber pad will be displaced, resulting in a decrease in the anti-seismic effect. Utility Model Content

[0003] In view of the above shortcomings, the purpose of the utility model is to provide a transformer body anti-seismic device to solve the problem of poor anti-seismic effect of the transformer body installed in the oil tank.

[0004] To achieve the above-mentioned purpose, the utility model provides a transformer body anti-seismic device, including a plurality of insulating support components arranged on the bottom wall in an oil tank, the insulating support components are used to support the transformer body, the insulating support components include an insulating rubber plate and an insulating paperboard, the insulating paperboard is fixedly arranged on the top surface of the insulating rubber plate, and the bottom wall in the oil tank is provided with limit components adapted to the four sides of the insulating rubber plate.

[0005] Preferably, the limiting assembly comprises a fixing strip fixed on the top surface of the oil tank, an installation gap is provided between the fixing strip and the insulating rubber plate, and a limiting wooden strip is inserted into the installation gap.

[0006] Preferably, the width of the insulating paperboard is greater than the width of the insulating rubber board, and both sides of the insulating paperboard extend to above the limiting wooden strips and can cover the gap between the fixing strip and the insulating rubber board.

[0007] Preferably, the fixing bar is a round steel structure, and the limiting wooden bar is a square long strip structure.

[0008] Preferably, the device body includes two wooden pads, which are used to support the transformer steel sheet. The outer sides of the two wooden pads are provided with webs for supporting the sides of the transformer steel sheet. The tops of the two webs are connected with first pull straps, and the two ends of the bottoms of the two webs are connected with second pull straps.

[0009] Preferably, a locking bolt connected to the wooden pad is provided at the bottom of the web.

[0010] Preferably, a supporting boss is provided on the inner side of the top of the web, and a rubber pad is provided on the supporting boss.

[0011] Preferably, the two wooden spacers are symmetrically arranged on the insulating paperboard, and multiple supporting steps are provided on opposite sides of the two wooden spacers.

[0012] Preferably, the first drawstring and the second drawstring both include a drawstring, draw rings provided at both ends of the drawstring and screw rods provided on the draw rings, and the screw rods pass through the web and are fixed by nuts.

[0013] Compared with the existing technology, the utility model has the following beneficial effects:

[0014] (1) The transformer body anti-seismic device of the utility model is provided with multiple insulating rubber plates and insulating paper boards of insulating support components to support the transformer body. The insulating rubber plates and insulating paper boards have a buffering effect, thereby playing a certain anti-seismic role;

[0015] (2) In the transformer body anti-seismic device of the utility model, a limit assembly is arranged on the bottom wall of the oil tank to limit the side of the insulating rubber plate. Under the vibration of the transformer itself during long-term operation, the insulating rubber plate is limited by the limit assembly and will not be displaced laterally, thereby ensuring reliable support for the transformer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the following will briefly introduce the drawings required for the description of the embodiment. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0017] Figure 1 This is a structural front view of the transformer body anti-seismic device of the utility model;

[0018] Figure 2 It is a structural side view of the transformer body anti-seismic device of the utility model;

[0019] Figure 3 for Figure 1 Schematic diagram of the enlarged structure at A in the middle

[0020] Figure 4 It is an enlarged bottom view of the limit assembly in the utility model.

[0021] In the figure: 1. oil tank; 2. body; 3. insulating rubber sheet; 4. insulating cardboard; 5. fixing strip; 6. limiting wooden strip; 7. wooden pad; 8. transformer steel sheet; 9. belly plate; 10. first pull strap; 11. second pull strap; 14. locking bolt; 15. supporting boss; 16. multi-level supporting step. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. The following is an explanation of the embodiments of the utility model based on its overall structure.

[0023] The specific implementation of the utility model is as follows:

[0024] As attached Figure 1-Figure 4 As shown, a transformer body anti-seismic device includes a plurality of insulating support components arranged on the bottom wall of the oil tank 1, the insulating support components are used to support the body 2, the insulating support components include an insulating rubber plate 3 and an insulating paperboard 4, the insulating paperboard 4 is fixed on the top surface of the insulating rubber plate 3, the insulating paperboard 4 is fixed to the insulating rubber plate 3 by glue, and the bottom wall of the oil tank 1 is provided with limiter components adapted to the four sides of the insulating rubber plate 3. The plurality of insulating support components are arranged in an array to reliably support various parts of the bottom of the body 2.

[0025] In the transformer body anti-seismic device of the utility model, the insulating rubber plates 3 and the insulating paperboards 4 of the multiple insulating support components support the body 2, and the insulating rubber plates 3 and the insulating paperboards 4 have a buffering effect, thereby playing a certain anti-seismic role; moreover, a limiting component is arranged on the bottom wall in the oil tank 1 to limit the side of the insulating rubber plate 3. Under the accumulated vibration of the transformer during operation, the insulating rubber plate 3 is limited by the limiting effect of the limiting component, and lateral displacement will not occur, thereby ensuring reliable support for the body 2.

[0026] Furthermore, the limiting assembly includes a fixing bar 5 fixed on the top surface of the oil tank 1, the highest point of the fixing bar 5 is lower than the highest point of the insulating paperboard 4, preventing the fixing bar 5 from contacting the device body 2, and there is an installation gap between the fixing bar 5 and the insulating rubber plate 3, and a limiting wooden strip 6 is inserted in the installation gap. In this embodiment, the fixing bar 5 is fixedly connected to the oil tank 1, and plays a role in limiting the limiting wooden strip 6. The limiting wooden strip 6 is replaceably installed between the fixing bar 5 and the insulating rubber plate 3, and plays a role in limiting, limiting the displacement amplitude of the insulating rubber plate 3.

[0027] Furthermore, the width of the insulating paperboard 4 is greater than the width of the insulating rubber plate 3 , and both sides of the insulating paperboard 4 extend to above the limiting wooden strip 6 and can cover the gap between the fixing strip 5 and the insulating rubber plate 3 .

[0028] Further, the fixing bar 5 is a round steel structure, and the limiting wooden bar 6 is a square long strip plate structure. In this embodiment, the limiting wooden bar 6 is in smooth contact with the round steel structure, with low friction and low wear.

[0029] Further, the body 2 includes two wooden pads 7, the two wooden pads 7 are used to support the transformer steel sheet 8, the transformer steel sheet 8 is a silicon steel sheet arranged in the transformer, and the outer sides of the two wooden pads 7 are provided with a web 9 for supporting the side of the transformer steel sheet 8, the tops of the two webs 9 are connected with a first drawstring 10, and the two ends of the bottom of the two webs 9 are connected with a second drawstring 11, and the first drawstring 10 and the second drawstring 11 are used to bind the vertically stacked transformer steel sheets 8 up and down. In this embodiment, the two wooden pads 7 support and position the transformer steel sheet 8, and then the two webs 9 are used to position the transformer steel sheet 8 laterally, and then the first drawstring 10 and the second drawstring 11 are set to bypass from the top and bottom of the transformer steel sheet 8 respectively, so as to position the transformer steel sheet 8 together with the web 9 and the wooden pads 7; the first drawstring 10 and the second drawstring 11 are used for binding, which has a tensile margin, can be slightly deformed, and has a certain anti-seismic function.

[0030] Furthermore, a locking bolt 14 connected to the wooden spacer block 7 is provided at the bottom of the web 9 .

[0031] Furthermore, a supporting boss 15 is provided on the inner side of the top of the web 9, and a rubber pad is arranged on the supporting boss 15. The rubber pad has plastic deformation and starts the buffering function, while also preventing the supporting boss 15 from directly contacting the transformer steel sheet 8 and damaging the coating on the surface of the transformer steel sheet 8.

[0032] Furthermore, the two wooden pads 7 are symmetrically arranged on the insulating paperboard 4, and multi-level supporting steps 16 are provided on opposite sides of the two wooden pads 7. The transformer steel sheets 8 are supported by the multi-level supporting steps 16 to ensure that the transformer steel sheets 8 are neatly placed in the device body 2.

[0033] Furthermore, the first drawstring 10 and the second drawstring 11 both include a drawstring, draw rings provided at both ends of the drawstring, and screws provided on the draw rings. The screws pass through the web 9 and are fixed by nuts.

[0034] Working principle:

[0035] The transformer steel sheet 8 is supported and positioned by two wooden pads 7, and then the transformer steel sheet 8 is positioned laterally by the two webs 9, and then the first drawstring 10 and the second drawstring 11 are arranged to pass through the top and bottom of the transformer steel sheet 8 respectively, so as to position the transformer steel sheet 8 together with the webs 9 and the wooden pads 7; the first drawstring 10 and the second drawstring 11 are used for binding, which has a tensile margin, can be slightly deformed, and has a certain anti-seismic function;

[0036] Moreover, the fixing strip 5 is fixedly connected to the oil tank 1, and plays a role in limiting the limiting wooden strip 6. The limiting wooden strip 6 can be replaceably installed between the fixing strip 5 and the insulating rubber plate 3, and plays a role in limiting the displacement amplitude of the insulating rubber plate 3. Compared with the prior art in which the insulating rubber plate 3 is fixed to the oil tank by bolts passing through the insulating rubber plate 3, there will be no lateral displacement of the insulating rubber plate 3 due to frequent vibrations causing the perforations to become larger.

[0037] The foregoing descriptions of specific exemplary embodiments of the present invention are for the purpose of explanation and illustration. These descriptions are not intended to limit the present invention to the precise form disclosed, and it is obvious that many changes and variations can be made based on the above teachings. Although an embodiment of the present invention has been shown and described, this specific embodiment is only an explanation of the present invention and is not a limitation of the present invention. The specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples. The purpose of selecting and describing the exemplary embodiments is to explain the specific principles of the present invention and its practical application, so that those skilled in the art can make modifications, substitutions, variations and various selections and changes to the embodiments without creative contribution as needed after reading this specification without departing from the principles and purpose of the present invention, but they are protected by patent law as long as they are within the scope of the claims of the present invention.

Claims

1. A transformer body anti-seismic device, characterized in that: The invention comprises a plurality of insulating support components arranged on the bottom wall of an oil tank (1), the insulating support components being used to support a body (2), the insulating support components comprising an insulating rubber plate (3) and an insulating paper plate (4), the insulating paper plate (4) being fixedly arranged on the top surface of the insulating rubber plate (3), and the bottom wall of the oil tank (1) being provided with limiter components adapted to the four sides of the insulating rubber plate (3).

2. A transformer body anti-seismic device according to claim 1, characterized in that: The limiting assembly comprises a fixing strip (5) fixed on the top surface of the oil tank (1), an installation gap is provided between the fixing strip (5) and the insulating rubber plate (3), and a limiting wooden strip (6) is inserted into the installation gap.

3. A transformer body anti-seismic device according to claim 2, characterized in that: The width of the insulating paperboard (4) is greater than the width of the insulating rubber board (3), and both sides of the insulating paperboard (4) extend above the limiting wooden strip (6) and are capable of covering the gap between the fixing strip (5) and the insulating rubber board (3).

4. A transformer body anti-seismic device according to claim 2 or 3, characterized in that: The fixing strip (5) is a round steel structure, and the limiting wooden strip (6) is a square long strip structure.

5. A transformer body anti-seismic device according to claim 4, characterized in that: The device body (2) comprises two wooden pads (7), the two wooden pads (7) are used to support the transformer steel sheet (8), the outer sides of the two wooden pads (7) are provided with webs (9) for supporting the sides of the transformer steel sheet (8), the tops of the two webs (9) are connected with first drawstrings (10), and the two ends of the bottoms of the two webs (9) are connected with second drawstrings (11).

6. A transformer body anti-seismic device according to claim 5, characterized in that: The bottom of the web (9) is provided with a locking bolt (14) connected to the wooden pad (7).

7. A transformer body anti-seismic device according to claim 6, characterized in that: A supporting boss (15) is provided on the inner side of the top of the web (9), and a rubber pad is provided on the supporting boss (15).

8. A transformer body anti-seismic device according to claim 7, characterized in that: The two wooden spacers (7) are symmetrically arranged on the insulating paperboard (4), and multiple supporting steps (16) are provided on opposite sides of the two wooden spacers (7).

9. The transformer body anti-seismic device according to claim 5, characterized in that: The first drawstring (10) and the second drawstring (11) both comprise a drawstring, draw rings arranged at both ends of the drawstring, and screw rods arranged on the draw rings, and the screw rods pass through the web (9) and are fixed by nuts.

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