CN212485131U - A transformer iron core upper beam fixing device - Google Patents

Abstract

The application discloses a transformer iron core upper beam fixing device, comprising a transformer iron core upper beam, clips are provided at both ends of the transformer iron core upper beam, and the clips are perpendicular to the transformer iron core upper beam, and the clips are The inner side of the parts is provided with an upper beam support plate, the clip is provided with a first threaded through hole, and the upper beam support plate is provided with a second threaded through hole, and the first threaded through hole and the second threaded through hole are screwed together. There is a first bolt, the outer side of the clamp is provided with a clamp support plate, the clamp support plate is provided with a third threaded hole, the upper beam of the transformer core is provided with a fourth threaded hole, the third threaded hole and the fourth thread A second bolt is screwed together in the hole. The device, on the one hand, can lap the upper beam of the iron core and the clip support plate on the horizontal plane, on the other hand, the upper beam support plate and the clip can be tensioned in the vertical plane and fastened with bolts, which can not only ensure the iron core The core is fully clamped to reduce noise, and to ensure good contact between the upper beam and the clamp, avoiding the problem of the rise of total hydrocarbons in the transformer oil.

Description

Transformer core upper beam fixing device

Technical Field

The application relates to the field of transformer application, in particular to a fixing device for an upper beam of a transformer iron core.

Background

When an iron core upper beam of an early large-scale transformer is installed, the iron core upper beam is only lapped on a supporting plate of a clamping piece in the horizontal plane and is fastened by bolts, the situation that the iron core is not clamped can occur in the installation structure, and then noise is large. In order to solve the noise problem, when a large transformer iron core is installed on a beam recently, the support plate of the upper beam and the clamping piece are tensioned on the vertical surface and fastened by bolts, and although the installation structure can ensure that the iron core is sufficiently clamped and reduce noise, the phenomenon of poor contact between the upper beam and the clamping piece can often occur, potential difference can be generated under the action of a leakage magnetic field, and the phenomenon of discharge often occurs, so that the total hydrocarbon of transformer oil is increased.

SUMMERY OF THE UTILITY MODEL

The application provides a transformer core upper beam fixing device, which solves the problem that total hydrocarbon of transformer oil is increased due to poor contact between an upper beam and a clamping piece in the prior art.

In order to solve the technical problem, the application provides a transformer core upper beam fixing device, includes:

the transformer core upper beam is provided with two clamping pieces at two ends, the two clamping pieces are perpendicular to the transformer core upper beam, upper beam supporting plates are arranged on the inner sides of the two clamping pieces, the upper beam supporting plates are fixedly connected with the transformer core upper beam, first threaded through holes are formed in the clamping pieces, second threaded through holes are formed in the upper beam supporting plates, first bolts are screwed in the first threaded through holes and the second threaded through holes in a co-rotating mode, clamping piece supporting plates are arranged on the outer sides of the two clamping pieces, the clamping piece supporting plates are fixedly connected with the clamping pieces, third threaded holes are formed in the clamping piece supporting plates, a fourth threaded hole is formed in the transformer core upper beam, and second bolts are screwed in the third threaded hole and the fourth threaded hole in a co-rotating mode.

Preferably, the upper beam of the transformer core and the upper beam support plate are integrally formed.

Preferably, the clip and the clip support plate are integrally molded.

Compared with the prior art, the transformer core upper beam fixing device provided by the application comprises a transformer core upper beam, clamps are arranged at positions of two ends of the transformer core upper beam, the two clamps are perpendicular to the transformer core upper beam, upper beam support plates are arranged on inner sides of the two clamps, the upper beam support plates are fixedly connected with the transformer core upper beam, first threaded through holes are formed in the clamps, second threaded through holes are formed in the upper beam support plates, first bolts are screwed in the first threaded through holes and the second threaded through holes in a co-rotating mode, clamp support plates are arranged on outer sides of the two clamps, the clamp support plates are fixedly connected with the clamps, third threaded holes are formed in the clamp support plates, fourth threaded holes are formed in the transformer core upper beam, and second bolts are screwed in the third threaded holes and the fourth threaded holes in a co-rotating mode. Therefore, by using the fixing device, on one hand, the upper beam of the transformer iron core and the clamping piece supporting plate can be lapped on the horizontal plane, on the other hand, the upper beam supporting plate of the upper beam of the transformer iron core and the clamping piece can be tensioned on the vertical plane and fastened by bolts, so that the iron core can be ensured to be sufficiently clamped, the noise is reduced, the upper beam and the clamping piece can be ensured to be in good contact, no potential difference exists under the action of a leakage magnetic field, no discharge phenomenon exists, and the problem that the total hydrocarbon of the transformer oil rises is avoided.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments are briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without making any inventive changes.

Fig. 1 is a schematic structural view of a transformer core upper beam fixing device according to an embodiment of the present invention;

in the figure, 1 a transformer iron core upper beam, 2 clamping pieces, 3 upper beam supporting plates, 4 first bolts, 5 clamping piece supporting plates, 6 second bolts and 7 iron cores.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings.

The core of the application is to provide a fixing device for an upper beam of a transformer iron core, which can solve the problem that total hydrocarbon of transformer oil is increased due to poor contact between the upper beam and a clamping piece in the prior art.

Fig. 1 is the utility model provides a transformer core upper beam fixing device schematic structure, as shown in fig. 1, the device includes:

the transformer core is put on the roof beam 1, the both ends position department of transformer core upper beam 1 all is provided with folder 2, two folders 2 all with transformer core upper beam 1 mutually perpendicular, the inboard of two folders 2 all is provided with roof beam extension board 3, roof beam extension board 3 and transformer core upper beam 1 fixed connection, be provided with first screw through-hole on folder 2, be provided with second screw through-hole on roof beam extension board 3, first screw through-hole and second screw through-hole sharing revolve and twist have first bolt 4, the outside of two folders 2 all is provided with folder extension board 5, folder extension board 5 and folder 2 fixed connection, be provided with the third screw hole on folder extension board 5, be provided with the fourth screw hole on transformer core upper beam 1, third screw hole and fourth screw hole sharing and twist have second bolt 6.

Specifically, the transformer core upper beam 1 is fixed by a first bolt 4 in the vertical direction and a second bolt 6 in the horizontal direction, and 7 in fig. 1 is a core. In order to improve the convenience of installation, on the basis of the above-described embodiment, as a preferable embodiment, the transformer core upper beam 1 and the upper beam support plate 3 may be provided as an integrated structure. Preferably, the clip 2 and the clip strip 5 may be provided as an integral structure.

The application provides a transformer core fixing device that puts on beams in place, including transformer core upper beam, transformer core upper beam's both ends position department all is provided with the folder, two folders all with transformer core upper beam mutually perpendicular, the inboard of two folders all is provided with the roof beam extension board, be provided with first screw thread through-hole on the folder, be provided with second screw thread through-hole on the roof beam extension board, first screw thread through-hole and second screw thread through-hole sharing revolve and twist first bolt, the outside of two folders all is provided with the folder extension board, be provided with the third screw hole on the folder extension board, be provided with the fourth screw hole on the transformer core upper beam, sharing and revolving and twisting in third screw hole and the fourth screw hole has the second bolt. Therefore, by using the fixing device, on one hand, the upper beam of the transformer iron core and the clamping piece supporting plate can be lapped on the horizontal plane, on the other hand, the upper beam supporting plate of the upper beam of the transformer iron core and the clamping piece can be tensioned on the vertical plane and fastened by bolts, so that the iron core can be ensured to be sufficiently clamped, the noise is reduced, the upper beam and the clamping piece can be ensured to be in good contact, no potential difference exists under the action of a leakage magnetic field, no discharge phenomenon exists, and the problem that the total hydrocarbon of the transformer oil rises is avoided.

Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice in the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope of the disclosure being indicated by the following claims.

It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The above-described embodiments of the present application do not limit the scope of the present application.

Claims (3)

1. The utility model provides a transformer core put beams in fixing device which characterized in that includes:

the transformer core upper beam is provided with two clamping pieces at two ends, the two clamping pieces are perpendicular to the transformer core upper beam, upper beam supporting plates are arranged on the inner sides of the two clamping pieces, the upper beam supporting plates are fixedly connected with the transformer core upper beam, first threaded through holes are formed in the clamping pieces, second threaded through holes are formed in the upper beam supporting plates, first bolts are screwed in the first threaded through holes and the second threaded through holes in a co-rotating mode, clamping piece supporting plates are arranged on the outer sides of the two clamping pieces, the clamping piece supporting plates are fixedly connected with the clamping pieces, third threaded holes are formed in the clamping piece supporting plates, a fourth threaded hole is formed in the transformer core upper beam, and second bolts are screwed in the third threaded hole and the fourth threaded hole in a co-rotating mode.

2. The transformer core upper beam fixing device according to claim 1, wherein the transformer core upper beam and the upper beam support plate are integrally formed.

3. The transformer core beam-mounting fixture of claim 2, wherein the clip is integrally formed with the clip support plate.

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