CN218568614U - Novel iron core drawstring grounding structure - Google Patents

Abstract

The utility model relates to a transformer accessory technical field, concretely relates to new-type drawstring ground structure unshakable in one's determination, including first folder, second folder, first drawstring board and second drawstring board, first folder with second folder cooperation fixed transformer body, first folder is connected first drawstring board, first drawstring board passes through the insulating tube and is connected with the low pressure stretching strap, the second folder is connected the second drawstring board, high-pressure stretching strap is connected to second drawstring board, the second folder with the one side that second drawstring board exposes is the no lacquer state. The utility model discloses possess through the depainting, remove the insulating tube, can make the stretching strap through some reliable ground connection, ensure advantages such as the reliability of ground connection, solved the both ends ground connection of earth connection ground connection insecure, touch easily, leak the problem that connects.

Description

Novel iron core drawstring grounding structure

Technical Field

The utility model relates to a transformer accessory technical field, in particular to new-type drawstring ground structure unshakable in one's determination.

Background

The iron core of a large transformer usually adopts a clamping piece clamping structure, and iron core drawstrings are arranged in an iron core window and at two ends of a side yoke and are matched with the clamping piece to clamp the iron yoke. The clamping piece and the iron core drawstring belong to metal structural parts, and the metal structural parts are insulated from the iron core lamination and need to be reliably grounded.

At present, the grounding mode of an iron core drawstring of a transformer is grounding through a grounding wire, namely threaded holes are respectively drilled on the drawstring plates at the high and low voltage sides and corresponding clamping pieces, and the final grounding is realized by fixing the grounding wire, so that the grounding is unreliable, the hidden danger of virtual connection or falling exists, and the grounding structure is two-point grounding, so that the novel iron core drawstring grounding structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new-type stretching strap ground structure unshakable in one's determination possesses through depainting, going the insulating tube, can make the stretching strap through some reliable ground connection, ensures advantages such as the reliability of ground connection, has solved the problem that the both ends ground connection of earth connection ground connection is insecure, easy to touch, leak and connect.

Therefore, the utility model provides a new-type drawstring ground structure unshakable in one's determination, the technical scheme of its adoption as follows:

the utility model provides a new-type iron core stretching strap ground structure, includes first folder, second folder, first stretching strap board and second stretching strap board, first folder is connected first stretching strap board, first stretching strap board passes through the insulating tube and is connected with the low pressure stretching strap, the second folder is connected the second stretching strap board, high-pressure stretching strap is connected to second stretching strap board, the second folder with the one side that second stretching strap board exposes is the no lacquer state.

As a preferred technical scheme, the second clamping piece and the second drawstring plate are in a non-insulation state.

As a preferable technical solution, the first clip and the first strap plate are in an insulated state.

As a preferred technical scheme, the low-pressure pull belt and the high-pressure pull belt are symmetrically distributed.

According to the preferable technical scheme, the low-voltage drawstring is connected with a low-voltage drawstring sleeve, and the first drawstring plate is connected with the low-voltage drawstring sleeve through an insulating pipe.

According to the preferable technical scheme, the high-pressure drawstring is connected with a high-pressure drawstring sleeve, and the second drawstring plate is connected with the high-pressure drawstring sleeve.

The utility model has the advantages that: according to the utility model discloses new-type drawstring ground structure unshakable in one's determination through going to lacquer between second drawstring board and the second folder, goes the insulating tube between high pressure side drawstring and the second drawstring board, and low pressure side drawstring is insulating with the second folder, only through high pressure side ground connection, realizes ground connection a bit, and ground connection is more reliable. The iron core drawstring grounding mode is grounded in a mode of removing paint between the drawstring plate and the clamping piece and removing the insulating tube between the drawstring plate and the drawstring, replaces a mode of grounding by a grounding wire, and is more reliable and stable and easy to operate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.

Fig. 1 shows a structure diagram of a novel iron core pulling strap grounding structure according to an embodiment of the present invention.

In the figure, 1 is a first clamping piece, 2 is a second clamping piece, 3 is a first strap plate, 4 is a second strap plate, 5 is an insulating tube, 6 is a low-voltage strap, 7 is a high-voltage strap, 8 is a low-voltage strap sleeve, 9 is a high-voltage strap sleeve, and 10 is a transformer body.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples.

The embodiment of the utility model provides a new-type drawstring ground structure unshakable in one's determination, as shown in fig. 1, this new-type drawstring ground structure unshakable in one's determination includes first folder 1, second folder 2, first drawstring board 3 and second drawstring board 4, first folder 1 is connected first drawstring board 3, first drawstring board 3 is connected with low pressure drawstring 6 through insulating tube 5, second folder 2 is connected second drawstring board 4, high pressure drawstring 7 is connected to second drawstring board 4, second folder 2 with the one side that second drawstring board 4 exposes is the no lacquer state, second folder 2 with be the non-insulation state between the second drawstring board 4, first folder 1 with first drawstring board 3 is the insulation state, low pressure drawstring 6 with high pressure drawstring 7 symmetry is laid, low pressure drawstring cover 8 is connected to low pressure drawstring 6, first drawstring board 3 through insulating tube 5 with low pressure drawstring cover 8 is connected, high pressure drawstring cover 7 is connected to high pressure drawstring cover 9 the high pressure drawstring cover 9.

It should be noted that the first clamping piece 1, the second clamping piece 2, the first drawstring plate 3 and the second drawstring plate 4 are all made of conductive metal materials, wherein insulating paint is arranged on the outer sides of the first clamping piece 1 and the first drawstring plate 3 to enable the first clamping piece 1 and the first drawstring plate 3 to be in an insulating state, and a metal surface is directly connected between the second clamping piece 2 and the second drawstring plate 4 (namely, in a paint-free state), so that the second clamping piece 2 and the second drawstring plate 4 are in a non-insulating state.

When concrete implementation, first folder 1 and second folder 2 are connected with transformer body 10's both sides respectively, the utility model discloses an advantage such as reliability of ground connection is ensured to the reliable ground connection of a bit, the both ends ground connection of having solved earth connection ground connection is insecure, easily touch, the problem of misconnection, specifically be high pressure side ground connection, the low pressure side is owing to set up insulating tube 5 and the insulation between first folder 1 and the first stretching strap board 3, the insulating properties of low pressure side has been guaranteed, and the high pressure side, the electric conductivity between first folder 1 and the second stretching strap board 4, and do not establish insulation processing between second stretching strap board 4 and the high pressure stretching strap cover 9, make the high pressure side can switch on, with the high pressure side ground connection that can switch on, replace the mode with the earth connection, and be more reliable and stable, easy to operate.

The above embodiments are only used for illustrating the present invention, and not for limiting the present invention, and those skilled in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention, so that all equivalent technical solutions also belong to the scope of the present invention, and the protection scope of the present invention should be defined by the claims.

Claims (6)

1. The novel iron core drawstring grounding structure is characterized by comprising a first clamping piece, a second clamping piece, a first drawstring plate and a second drawstring plate, wherein the first clamping piece is connected with the first drawstring plate, the first drawstring plate is connected with a low-voltage drawstring through an insulating pipe, the second clamping piece is connected with the second drawstring plate, the second drawstring plate is connected with a high-voltage drawstring, and the exposed surface of the second clamping piece and the exposed surface of the second drawstring plate are in a non-paint state.

2. The new core strap grounding structure as claimed in claim 1, wherein said second clip member is in a non-insulated state from said second strap plate.

3. The new core strap grounding structure of claim 1 wherein said first clip member is insulated from said first strap plate.

4. The novel iron core drawstring grounding structure as claimed in claim 1, wherein said low voltage drawstring and said high voltage drawstring are symmetrically arranged.

5. The novel iron core drawstring grounding structure as claimed in claim 1, wherein said low voltage drawstring is connected to a low voltage drawstring sleeve, and said first drawstring plate is connected to said low voltage drawstring sleeve through an insulation tube.

6. The novel iron core drawstring grounding structure as set forth in claim 1, wherein said high voltage drawstring is connected to a high voltage drawstring sleeve, and said second drawstring plate is connected to said high voltage drawstring sleeve.

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