CN213242212U

CN213242212U - Mounting and positioning structure of transformer bushing

Info

Publication number: CN213242212U
Application number: CN202022632414.XU
Authority: CN
Inventors: 曹明波; 石孝刚; 朱培兵
Original assignee: Shandong Qixing High Voltage Electric Co ltd
Current assignee: Shandong Qixing High Voltage Electric Co ltd
Priority date: 2020-11-12
Filing date: 2020-11-12
Publication date: 2021-05-18
Anticipated expiration: 2030-11-12

Abstract

A mounting and positioning structure of a transformer bushing belongs to the technical field of auxiliary tools for mounting transformer bushings and comprises a support frame, wherein the support frame comprises a first support plate, a second support plate and a third support plate, a fourth support plate is arranged between the third support plate and the second support plate, a first clamp is arranged on the first support plate, a second clamp is arranged on the second support plate, the transformer bushings are arranged on the first clamp and the second clamp, the inclination angles of the axes of the transformer bushings and the horizontal plane are set to be 45 degrees, rollers are rotatably connected to the third support plate, a guide ring is arranged on the fourth support plate, and a notch is also arranged at an acute angle of the support frame; the coaxial detachable guide cylinder that is connected with on the internal surface at transformer bushing top, the guide cylinder passes the guide ring, still is coaxial in the guide cylinder to be equipped with the rubber sleeve, is equipped with the lead-out wire in the rubber sleeve, and the lead-out wire is connected with the acting as go-between around the gyro wheel. Through the arrangement of the support frame and the guide cylinder, the damage of the outgoing line is avoided, and the installation time of the sleeve is shortened.

Description

Mounting and positioning structure of transformer bushing

Technical Field

The utility model relates to a transformer bushing installation appurtenance technical field, concretely relates to transformer bushing's installation location structure.

Background

With the development of the power industry in China, the power supply quantity is increased year by year, and the power transformer is gradually developed towards high voltage and large capacity. In the installation process of the transformer, the installation of the transformer bushing is an important link, because the transformer bushing is a main insulation device outside the transformer box, the outgoing lines of the transformer winding must penetrate through the insulation bushing, so that the outgoing lines and the transformer shell are insulated, and the outgoing lines are fixed.

The traditional outgoing mode is that one end of a traction rope is tied to the outgoing line and then the outgoing line is led out, namely the outgoing line head of the outgoing line is pulled out by pulling when a sleeve is in place, because the high-low voltage side sleeve of the 220kV transformer is obliquely arranged on the transformer at 45 degrees, the outgoing line of the outgoing line and the inner wall of the sleeve of the transformer rub in the pulling process, if the in-place angle of the sleeve of the transformer is deviated, the outgoing line is easily damaged, and great potential safety hazards are buried in the future operation.

SUMMERY OF THE UTILITY MODEL

To the above shortcoming that prior art exists, the utility model discloses a transformer bushing's installation location structure can ensure that lead-out wire and transformer bushing's position relatively fixed when being qualified for the next round of competitions, has avoided the damage of lead-out wire, has shortened transformer bushing installation time simultaneously.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

a mounting and positioning structure of a transformer bushing comprises a support frame, wherein the support frame is designed to be an isosceles right triangle structure and comprises a first support plate, a second support plate and a third support plate, a fourth support plate is arranged between the third support plate and the second support plate, a first clamp is arranged on the first support plate, a second clamp is arranged on the second support plate, the first clamp and the second clamp are provided with the transformer bushing, the inclination angle between the axis of the transformer bushing and the horizontal plane is 45 degrees, the third support plate is rotatably connected with a roller, the roller is provided with a groove, the fourth support plate is provided with a guide ring, the guide ring is internally sleeved with a guide cylinder, the guide cylinder is coaxially and detachably arranged on the inner surface of the top of the transformer bushing, and a rubber sleeve is coaxially arranged in the guide cylinder, be equipped with the lead-out wire in the rubber sleeve, the lead-out wire winds groove connection has the acting as go-between, an acute angle department of support frame still is equipped with the incision, the incision with the lower tip of first clamp is established to the parallel and level.

Preferably, the fourth support plate is disposed parallel to an axis of the transformer bushing.

Preferably, the first clamp comprises a first clamp seat, a first clamp belt is arranged on the first clamp seat, the first clamp belt is sleeved on the outer surface of the bottom of the transformer sleeve, two first end portions are arranged on the first clamp belt, and a first fastening assembly is arranged at the joint of the first end portions.

Preferably, the second clamp includes the second clamp seat, be equipped with the second clamp area on the second clamp seat, the second clamp area cover is located on the surface at transformer bushing top, be equipped with two second tip on the second clamp area, two second tip junction is equipped with second fastening component.

Preferably, the second clip seat and the first clip seat are coaxially arranged.

The utility model has the advantages of that:

1. through the arrangement of the supporting frame, the roller, the guide cylinder and the like of the isosceles right triangle body, when the outgoing line is pulled, the outgoing line and the transformer bushing are kept relatively fixed, and the installation time of the transformer bushing is shortened.

2. Through setting up structures such as rubber sleeve, gyro wheel, avoided the damage of lead-out wire.

3. The utility model discloses simple structure, low cost, convenient operation has avoided the transformer bushing deviation to appear in the angle when taking one's place.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is the utility model relates to a transformer bushing's installation location structure's schematic diagram.

In the figure: 1-a first supporting plate, 2-a second supporting plate, 3-a third supporting plate, 4-a fourth supporting plate, 5-a first clamp, 6-a second clamp, 7-a transformer sleeve, 8-a roller, 9-a guide ring, 10-a guide cylinder, 11-a rubber sleeve and 12-a lead-out wire.

Detailed Description

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

As shown in fig. 1, the utility model discloses a support frame, support frame establish to isosceles right triangle body structure to for transformer bushing 7 provides the installation mode, ensure to correspond its installation department.

The support frame comprises a first support plate 1, a second support plate 2 and a third support plate 3, a fourth support plate 4 is arranged between the third support plate 3 and the second support plate 2, a first clamp 5 is arranged on the first support plate 1, a second clamp 6 is arranged on the second support plate 2, transformer sleeves 7 are arranged on the first clamp 5 and the second clamp 6, and the inclination angle between the axis of each transformer sleeve 7 and the horizontal plane is set to be 45 degrees so as to correspond to the installation state of the transformer sleeves and accelerate the installation speed; the third supporting plate 3 is rotatably connected with a roller 8, the roller 8 is provided with a groove to facilitate winding of the outgoing line 12, the fourth supporting plate 4 is provided with a guide ring 9, and a guide cylinder 10 is sleeved in the guide ring 9 to guide the outgoing line 12; the guide cylinder 10 is coaxially and detachably arranged on the inner surface of the top of the transformer bushing 7 so as to be convenient to replace and overhaul; the guide cylinder 10 is also coaxially provided with a rubber sleeve 11, the rubber sleeve 11 is internally provided with a lead wire 12 to prevent the lead wire from deviating to generate friction with the inner wall of the transformer bushing 7, the damage of the lead wire 12 is reduced, the lead wire 12 is connected with a pull wire around a groove to be convenient for rapidly pulling out the lead wire 12, and the installation time of the transformer bushing 7 is shortened.

An acute angle department of support frame still is equipped with the incision, and the incision is established to the parallel and level with the lower tip of first clamp 5 to laminate with the surface of transformer when being convenient for the installation, ensure the location accuracy, accelerate the installation rate.

The fourth support plate 4 is arranged parallel to the axis of the transformer bushing 7. To ensure that the axis of the guide ring 9 is arranged parallel to the axis of the transformer bushing 7 to prevent the guide cylinder 10 from shifting and causing wear of the lead-out wires 12.

First clamp 5 includes first clamp seat, is equipped with first clamp area on the first clamp seat to tie up transformer bushing 7's lower part, on transformer bushing 7 bottom's surface was located to first clamp cover, is equipped with two first ends on the first clamp area, and two first end connection departments are equipped with first fastening component, in order to ensure to tie up tightly.

The second clamp 6 comprises a second clamp seat, a second clamp belt is arranged on the second clamp seat to tighten the lower portion of the transformer sleeve 7, the second clamp belt is sleeved on the outer surface of the top of the transformer sleeve 7, two second end portions are arranged on the second clamp belt, and a second fastening assembly is arranged at the joint of the two second end portions.

The second clamp seat and the first clamp seat are coaxial, so that an included angle between the transformer bushing 7 and the horizontal plane is 45 degrees, the installation is facilitated, the deviation is prevented, and the damage to the outgoing line 12 is reduced.

When the device is used, firstly, the transformer bushing 7 is fixed on a support frame by a first clamp 5 and a second clamp 6, and a guide cylinder 10 with a rubber sleeve 11 penetrates through a guide ring 9 and is inserted into the transformer bushing 7; then the support frame is close to the transformer to be installed, the transformer bushing 7 is inserted into the installation hole, and the outgoing line 12 penetrates through the rubber sleeve 11 and is pulled out around the roller 8; after adjustment, the notch is attached to the outer surface of the transformer to ensure that the transformer bushing 7 is installed in place; after the installation is finished, the outgoing line 12 is taken down from the roller 8, the first clamp 5 and the second clamp 6 are loosened, and the supporting frame is moved away. The structure can avoid the damage of the outgoing line 12, shorten the installation time of the transformer bushing 7 and improve the working efficiency.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The mounting and positioning structure of the transformer bushing comprises a support frame, and is characterized in that the support frame is designed to be an isosceles right triangle structure and comprises a first support plate, a second support plate and a third support plate, a fourth support plate is arranged between the third support plate and the second support plate, a first clamp is arranged on the first support plate, a second clamp is arranged on the second support plate, the transformer bushing is arranged on the first clamp and the second clamp, the inclination angle between the axis of the transformer bushing and the horizontal plane is 45 degrees, a roller is rotatably connected on the third support plate, a groove is arranged on the roller, a guide ring is arranged on the fourth support plate, a guide cylinder is sleeved on the guide ring, the guide cylinder is coaxially and detachably arranged on the inner surface of the top of the transformer bushing, and a rubber sleeve is coaxially arranged in the guide cylinder, be equipped with the lead-out wire in the rubber sleeve, the lead-out wire winds groove connection has the acting as go-between, an acute angle department of support frame still is equipped with the incision, the incision with the lower tip of first clamp is established to the parallel and level.

2. The transformer bushing installation positioning structure of claim 1, wherein the fourth support plate is disposed parallel to an axis of the transformer bushing.

3. The transformer bushing installation positioning structure of claim 1, wherein the first clamp includes a first clamp seat, a first clamp band is disposed on the first clamp seat, the first clamp band is sleeved on an outer surface of the bottom of the transformer bushing, two first ends are disposed on the first clamp band, and a first fastening assembly is disposed at a connection of the two first ends.

4. The transformer bushing installation positioning structure of claim 3, wherein the second clamp includes a second clamp seat, a second clamp band is disposed on the second clamp seat, the second clamp band is sleeved on the outer surface of the top portion of the transformer bushing, two second end portions are disposed on the second clamp band, and a second fastening assembly is disposed at a joint of the two second end portions.

5. The transformer bushing installation positioning structure of claim 4, wherein the second clip seat and the first clip seat are coaxially arranged.