CN212516785U

CN212516785U - Side wire-feeding type protective shell for dry-type transformer

Info

Publication number: CN212516785U
Application number: CN202021518936.0U
Authority: CN
Inventors: 陈国忠; 叶新明
Original assignee: Fuzhou Fubian Electric Co ltd
Current assignee: Fuzhou Fubian Electric Co ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-02-09
Anticipated expiration: 2030-07-28

Abstract

The utility model relates to a dry-type transformer protection technical field discloses a side wire feeding formula protection casing for dry-type transformer, including transformer cabinet, transformer cabinet left side wall upper portion fixed mounting has cable protection box, and the rectangle opening has vertically been seted up to cable protection bottom of the box intermediate position level, is located the fixing clip seat that five equidistance of vertical fixedly connected with distribute in the rectangle opening is located the rectangle opening internalization grafting in fixing clip seat right side has the removal holder. The utility model discloses a run through each high-voltage cable in the rectangle opening of cable protection bottom of the case portion, every cable is placed between fixed holder and removal holder, and rotatory crank drives the screw thread lead screw and rotates to it carries out the screw thread twist and closes the removal to drive the support arm, thereby guarantees to remove the holder and reach the stable effect of centre gripping to fixed holder direction removal, and this kind of mode is avoided only setting up a through wires hole among the prior art, leads to pencil winding later stage maintenance operation very inconvenient problem.

Description

Side wire-feeding type protective shell for dry-type transformer

Technical Field

The utility model relates to a dry-type transformer protection technical field specifically is a side wire-feeding type dry-type transformer is with protection casing.

Background

At present, the wire inlet mode of the high-voltage side of the dry-type transformer can adopt: the upper wire of the high-voltage cable or the lower wire of the high-voltage cable. When a high-voltage cable is used for feeding wires upwards or downwards, the requirement on the space distance of the high-voltage side wire feeding cable is large, and the high-voltage side wire feeding cable is not suitable for installation in places with small indoor space.

A protective case for a side-inlet dry type transformer is disclosed by the search application No. 201921188138.3. According to the technical scheme provided by the utility model, side entry line formula protection casing for dry-type transformer, including be used for accomodating side entry line formula dry-type transformer's main cabinet and set up in the vice cabinet on main cabinet one end upper portion, vice cabinet includes vice cabinet bottom plate and the vice cabinet door of switch, sets up bottom plate high-tension cable hole on vice cabinet bottom plate, bottom plate high-tension cable hole link up vice cabinet bottom plate. Although the utility model discloses a compact structure, rationally distributed, can conveniently realize the inlet wire wiring of dry-type transformer high-pressure side, reduce transformer housing's volume, practice thrift manufacturing cost, improve the operational safety nature.

But only set up a through wires hole in this technique, lead to the pencil winding later stage to overhaul the problem that the operation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a side wire feeding formula dry-type transformer is with protection casing has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a side entry formula dry-type transformer is with protection casing, includes transformer cabinet, transformer cabinet left side wall upper portion fixed mounting has the cable protection box, and the rectangle opening has vertically been seted up to cable protection box bottom intermediate position level, is located the fixed holder of five equidistance distributions of vertical fixedly connected with in the rectangle opening is located the activity is pegged graft in the rectangle opening of fixed holder right side has the removal holder, removes the equal vertical arc opening of having seted up of a side that holder and fixed holder are opposite, is located remove holder rear wall level fixedly connected with support arm backward, the threaded hole is transversely seted up to the support arm, is located the equal fixedly connected with bearing in two portions about the cable protection box bottom at rectangle opening rear, two the axis internal level of bearing is fixed runs through threaded lead screw, and threaded lead screw is twisted with the threaded hole and is run through.

As an optimal implementation manner of the utility model, be located cable protection box left surface fixed mounting has the maintenance apron.

As a preferred embodiment of the present invention, the right end of the threaded screw is fixedly connected with a crank.

As an optimal implementation mode of the utility model, the upper portion level is seted up the through wires hole that a plurality of equidistance distribute between transformer cabinet and the cable protection box.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a run through each high-voltage cable in the rectangle opening of cable protection bottom of the case portion, guarantee that every cable is placed between fixed holder and removal holder, then rotatory crank drives the screw thread lead screw and rotates, thereby it carries out the screw thread to twist to close the removal to drive the support arm, thereby it reaches the stable effect of centre gripping to guarantee to remove the holder to fixed holder direction removal, only set up a through wires hole among the prior art is avoided to this kind of mode, lead to pencil winding later stage maintenance operation very inconvenient problem.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of a protective casing for a side-inlet dry-type transformer according to the present invention;

fig. 2 is a schematic view of the overhead structure of the movable and fixed clamping seats of the protective housing for the side-entry dry transformer of the present invention distributed at the bottom of the inner cavity of the cable protective box;

fig. 3 is a schematic diagram of the structure of the movable clamping seat of the protection casing for the side-inlet dry-type transformer, which is distributed in the rectangular opening.

In the figure: 1. a transformer cabinet; 2. a rectangular through opening; 3. overhauling the cover plate; 4. a cable protection box; 5. a cabinet door; 6. threading holes; 7. a threaded lead screw; 8. fixing the clamp seat; 9. moving the clamping seat; 10. an arc-shaped opening; 11. a bearing; 12. a crank; 13. a support arm; 14. a threaded bore.

The utility model provides an instrument all can be through market purchase and private customization acquisition.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a protection shell for a side-entry dry-type transformer comprises a transformer cabinet 1, wherein a cable protection box 4 is fixedly installed on the upper portion of the left side wall of the transformer cabinet 1, a rectangular through hole 2 is horizontally and longitudinally formed in the middle position of the bottom of the cable protection box 4, five fixing clamp seats 8 which are distributed equidistantly are vertically and fixedly connected in the rectangular through hole 2, a moving clamp seat 9 is movably inserted in the rectangular through hole 2 in the right side of the fixing clamp seat 8, an arc-shaped opening 10 is vertically formed in one side face, opposite to the moving clamp seat 9 and the fixing clamp seat 8, of the moving clamp seat 9, a support arm 13 is horizontally and fixedly connected to the rear side wall of the moving clamp seat 9 backwards, a threaded hole 14 is transversely formed in the support arm 13, bearings 11 are fixedly connected to the left portion and the right portion of the bottom of the cable protection box 4 behind the rectangular through hole 2, a threaded screw rod 7 is horizontally; specifically, the method comprises the following steps: run through each high-voltage cable in the rectangle opening 2 of 4 bottoms of cable protection box, guarantee that every cable is placed between fixed holder 8 and removal holder 9, then rotatory crank 12 drives screw lead screw 7 and rotates, thereby it carries out the screw thread twist and closes the removal to drive support arm 13, thereby it reaches the stable effect of centre gripping to guarantee to remove holder 9 to the 8 directions removal of fixed holder, only set up a through wires hole among the prior art is avoided to this kind of mode, lead to pencil winding later stage maintenance operation very inconvenient problem.

In this embodiment (please refer to fig. 1), an access cover plate 3 is fixedly installed on the left side surface of the cable protection box 4, and the wiring harness can be arranged or maintained after the access cover plate 3 is opened.

In this embodiment (see fig. 2), the right end of the threaded screw 7 is fixedly connected with a crank 12, which is more convenient for an operator to rotate the threaded screw 7.

In this embodiment (see fig. 2), a plurality of threading holes 6 are horizontally formed in the upper portion between the potential transformer cabinet 1 and the cable protection box 4, and it is ensured that each wire harness has a dedicated threading hole 6 to penetrate through.

When a side wire type dry-type transformer protection casing uses, it is required to explain, the utility model relates to a side wire type dry-type transformer protection casing, each part is the parts that general standard component or technical staff in the field know, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

During the use, run through each high-voltage cable in the rectangle opening 2 of 4 bottoms of cable protection box, guarantee that every cable is placed between fixed holder 8 and removal holder 9, then rotatory crank 12 drives screw lead screw 7 and rotates, thereby it carries out the screw thread to twist to close the removal to drive support arm 13, thereby it reaches the stable effect of centre gripping to guarantee to remove holder 9 to the 8 orientation removal of fixed holder, only set up a through wires hole among the prior art is avoided to this kind of mode, lead to pencil winding later stage maintenance operation very inconvenient problem.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a side wire inlet formula protection casing for dry-type transformer, includes transformer cabinet (1), its characterized in that: the transformer cabinet is characterized in that a cable protection box (4) is fixedly installed on the upper portion of the left side wall of the transformer cabinet (1), a rectangular through hole (2) is horizontally and longitudinally formed in the middle position of the bottom of the cable protection box (4), five fixing clamping seats (8) which are distributed at equal intervals are vertically and fixedly connected in the rectangular through hole (2) located in the rectangular through hole (2), a movable clamping seat (9) is movably inserted in the rectangular through hole (2) located in the right side of the fixing clamping seat (8), arc-shaped openings (10) are vertically formed in one opposite side face of the movable clamping seat (9) and the fixing clamping seat (8), a support arm (13) is horizontally and fixedly connected with the rear side wall of the movable clamping seat (9) backwards, a threaded hole (14) is transversely formed in the support arm (13), bearings (11) are fixedly connected to the left portion and the right portion of the bottom of the cable protection box (4) located behind the rectangular through hole, the threaded screw rod (7) is screwed with the threaded hole (14) and penetrates through the threaded hole.

2. The protective case for a side-inlet dry-type transformer according to claim 1, wherein: and an overhauling cover plate (3) is fixedly arranged on the left side surface of the cable protection box (4).

3. The protective case for a side-inlet dry-type transformer according to claim 1, wherein: the right end part of the threaded screw rod (7) is fixedly connected with a crank (12).

4. The protective case for a side-inlet dry-type transformer according to claim 1, wherein: and a plurality of threading holes (6) which are distributed at equal intervals are horizontally formed in the upper part between the transformer cabinet (1) and the cable protection box (4).