CN111430103A - A positioning device for transformer noise reduction - Google Patents

Abstract

The invention discloses a positioning device for noise reduction of transformers. The radial length is greater than the radial length of the lower part of the positioning pile; the positioning pile is sequentially installed with a sound insulation board a, a sound insulation board b, a sound insulation board c and a locking nut from bottom to top; the outer edge of the sound insulation board b is installed with a fixed The outer side of the fixing plate is fixed with an iron core clip. The positioning device for noise reduction of the transformer has a simple structure and high overall strength, and also has the functions of insulating the iron core clip and the positioning pile and reducing noise while realizing the positioning function.

Description

A positioning device for transformer noise reduction

technical field

The invention relates to the technical field of transformers, in particular to a positioning device for noise reduction of transformers.

Background technique

When the 35-500kV transformer positioning device realizes the positioning function of the transformer core clamp and the fuel tank, it is often necessary to separate and insulate the core clamp and the fuel tank, so as to measure the insulation performance respectively; with the gradual improvement of people's awareness of environmental pollution, Transformer noise control has become an urgent problem to be solved in the transformer manufacturing industry; the current transformer positioning device has complex structure and inconvenient operation, and it is difficult to achieve the above functions.

SUMMARY OF THE INVENTION

In view of the defects in the prior art, the present invention provides a positioning device for noise reduction of a transformer, so as to improve the noise reduction of the transformer.

The present invention is achieved through the following technical solutions:

A positioning device for noise reduction of a transformer, comprising a bottom section of an oil tank, a positioning pile is fixed on the bottom section of the lower section of the fuel tank, the positioning pile includes an upper part of the positioning pile and a lower part of the positioning pile, and the radial length of the lower part of the positioning pile is greater than The radial length of the lower part of the positioning pile; the positioning pile is installed with a sound insulation board a, a sound insulation board b, a sound insulation board c and a locking nut in sequence from bottom to top; the outer edge of the sound insulation board b is installed with a fixed plate, the An iron core clip is fixed on the outer side of the fixing plate.

The positioning device for noise reduction of the transformer of the present invention adds a plurality of sound insulation boards on the positioning piles, and the sound insulation boards can not only block noise, but also can isolate the iron core clip from the oil tank and play an insulating role.

Preferably, the lower part of the positioning pile is an octagonal structure, the upper part of the positioning pile is a circular screw structure, the lower part of the positioning pile is threadedly connected with the upper part of the positioning pile, and this structure can increase the welding area between the positioning pile and the bottom plate of the lower fuel tank , to improve the overall strength of the positioning device.

Preferably, the sound insulation board a, the sound insulation board b and the sound insulation board c are all made of resin, the resin board is relatively light, has excellent flame retardant performance and sound insulation performance, and is resistant to impact, yellowing, deformation and chemical resistance. corrosion.

Preferably, a rubber pad is installed between the sound insulation board a and the bottom plate of the lower fuel tank, the rubber pad is sleeved on the positioning pile, and the rubber pad plays the role of noise reduction and insulation.

Preferably, a steel plate washer is installed between the sound insulation board c and the anti-loosening nut, and the anti-loosening nut and the steel plate pad play the role of increasing the overall strength of the positioning device.

Preferably, the radial length of the sound insulation board b is smaller than the radial length of the sound insulation board a and the sound insulation board c, the fixing plate is provided with a fixing hole, and the fixing board is installed on the outside of the sound insulation board b through the fixing hole , the fixing plate is sandwiched between the sound insulation board a and the sound insulation board c to improve the overall strength of the positioning device.

Preferably, the bottom of the iron core clip is provided with a positioning groove, and the iron core clip is fixed on the outer side of the fixing plate through the positioning groove, so as to improve the overall strength.

Preferably, the sound insulation board a and the sound insulation board b are installed on the lower part of the positioning pile, and the sound insulation board c is installed on the upper part of the positioning pile to increase the overall strength.

The beneficial effects of the invention are as follows: the positioning device for noise reduction of the transformer has a simple structure and high overall strength, and also has the functions of insulating the iron core clip and the positioning pile and reducing noise while realizing the positioning function.

Description of drawings

In order to illustrate the specific embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that are required to be used in the description of the specific embodiments or the prior art. Similar elements or parts are generally identified by similar reference numerals throughout the drawings. In the drawings, each element or section is not necessarily drawn to actual scale.

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the front view of positioning pile;

Fig. 3 is the top view of positioning pile;

Figure 4 is a top view of a rubber pad or resin plate a or resin plate b;

Fig. 5 is the top view of steel plate pad or resin plate c;

Figure 6 is a top view of the fixed plate;

FIG. 7 is a schematic diagram of the structure of the iron core clip and the fixing groove;

FIG. 8 is a schematic diagram of the welding position of the fixed plate.

In Figure 1, 1. Lower fuel tank bottom plate, 2. Rubber pad, 3. Sound insulation board a, 4. Positioning pile, 5. Fixed board, 6 Sound insulation board b, 7. Sound insulation board c, 8. Steel plate pad, 9 . Locking nut, 10. Core clip, 11 locating slot.

Detailed ways

In order to make the above objects, features and advantages of the present invention more clearly understood, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

For ease of description, spatially relative terms such as "upper," "lower," "left," "right," and the like may be used herein to describe the relationship of one element or feature shown in the figures to another element or feature. It should be understood that, in addition to the orientation shown in the figures, spatial terms are intended to encompass different orientations of the device in use or operation. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both upper and lower positions.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The positioning device for noise reduction of the transformer in this embodiment includes a bottom section of the fuel tank, on which a positioning pile is fixed, the positioning pile includes an upper part of the positioning pile and a lower part of the positioning pile, and the radial direction of the lower part of the positioning pile is The length is greater than the radial length of the lower part of the positioning pile; the positioning pile is sequentially installed with a sound insulation board a, a sound insulation board b, a sound insulation board c and a locking nut from bottom to top; the outer edge of the sound insulation board b is installed with a fixed plate, An iron core clip is fixed on the outer side of the fixing plate.

In this embodiment, the lower part of the positioning pile is an octagonal structure, the upper part of the positioning pile is a circular screw structure, and the lower part of the positioning pile is threadedly connected with the upper part of the positioning pile.

In this embodiment, the sound insulation board a, the sound insulation board b and the sound insulation board c are all made of resin. A rubber pad is installed between the sound insulation board a and the bottom plate of the lower fuel tank. The thickness of the rubber pad is 20-25mm. The center of the rubber pad is provided with an 8-sided hole. The rubber pad is sleeved on the positioning pile. The role of insulation. A steel plate pad is installed between the sound insulation board c and the anti-loosening nut, and the anti-loosening nut and the steel plate pad play the role of increasing the overall strength of the positioning device.

In this embodiment, the radial length of the sound insulation board b is smaller than the radial length of the sound insulation board a and the sound insulation board c, the fixing plate is provided with a fixing hole, and the fixing board is installed on the sound insulation board b through the fixing hole the exterior. The bottom of the iron core clip is provided with a positioning groove, and the iron core clip is fixed on the outer side of the fixing plate through the positioning groove.

In this embodiment, the sound insulation board a and the sound insulation board b are installed on the lower part of the positioning pile, and the sound insulation board c is installed on the upper part of the positioning pile.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features thereof can be equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present invention. The scope of the invention should be included in the scope of the claims and description of the present invention.

Claims (8)

1. The utility model provides a transformer falls makes an uproar and uses positioner, includes the bottom plate of economizing on fuel down, be fixed with the spud on the bottom plate of economizing on fuel down, its characterized in that: the positioning pile comprises an upper part and a lower part, and the radial length of the lower part of the positioning pile is greater than that of the lower part of the positioning pile; the positioning pile is sequentially provided with a sound insulation plate a, a sound insulation plate b, a sound insulation plate c and a locknut from bottom to top; and a fixing plate is arranged at the outer edge of the sound insulation plate b, and an iron core clamping piece is fixed on the outer side of the fixing plate.

2. The positioning device for transformer noise reduction according to claim 1, wherein: the lower part of the positioning pile is of an octagonal structure, the upper part of the positioning pile is of a circular screw structure, and the lower part of the positioning pile is in threaded connection with the upper part of the positioning pile.

3. The positioning device for transformer noise reduction according to claim 1, wherein: and the sound insulation boards a, b and c are all made of resin.

4. The positioning device for transformer noise reduction according to claim 3, wherein: and a rubber pad is arranged between the sound insulation board a and the lower oil-saving box bottom plate.

5. The positioning device for transformer noise reduction according to claim 3, wherein: and a steel plate pad is arranged between the sound insulation plate c and the locknut.

6. The positioning device for transformer noise reduction according to claim 1, wherein: the radial length of the sound insulation board b is smaller than that of the sound insulation boards a and c, fixing holes are formed in the fixing plates, and the fixing plates are installed outside the sound insulation boards b through the fixing holes.

7. The positioning device for transformer noise reduction according to claim 6, wherein: the bottom of the iron core clamping piece is provided with a positioning groove, and the iron core clamping piece is fixed on the outer side of the fixing plate through the positioning groove.

8. The positioning device for transformer noise reduction according to claim 1, wherein: and the sound insulation plate a and the sound insulation plate b are arranged at the lower part of the positioning pile, and the sound insulation plate c is arranged at the upper part of the positioning pile.

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