CN217333822U

CN217333822U - Insulating cylinder for power transformer high-voltage bushing lifting seat

Info

Publication number: CN217333822U
Application number: CN202220851862.5U
Authority: CN
Inventors: 刘广西; 孙日明; 杨剑
Original assignee: Chengdu Shuangxing Transformer Co ltd
Current assignee: Chengdu Shuangxing Transformer Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-08-30
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses an insulating cylinder for power transformer high-tension bushing lift seat, including interior fiber container and outer fiber container, outer fiber container cover is established on interior fiber container, encircles the fixed retaining ring that is provided with in below of interior fiber container encircles reason equidistance is provided with a plurality of bosss on the retaining ring, outer fiber container lower extreme is provided with a plurality of recesses that correspond with the boss, interior fiber container with set up interior nozzle and the outer nozzle of mutual matching on the outer fiber container respectively. The insulating cylinder for the power transformer high-voltage bushing lifting seat is good in insulating effect, simple to manufacture, reliable to install and not prone to deformation.

Description

Insulating cylinder for power transformer high-voltage bushing lifting seat

Technical Field

The utility model belongs to the technical field of the transformer is made, concretely relates to power transformer high-tension bushing rises insulating cylinder for seat.

Background

In order to reduce the cost, the voltage-sharing ball of the high-voltage bushing of the 110 kV-220 kV transformer is generally placed in a high-voltage lifting seat, and an insulating cylinder needs to be added between the voltage-sharing ball and the lifting seat to reduce the insulation distance and the local discharge amount. The manufacture, the operation convenience, the safety and the reliability of the insulation cylinder become the main consideration of the structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a power transformer high-tension bushing rises seat and uses an insulating cylinder to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a power transformer high-tension bushing rises insulating cylinder for seat, includes interior fiber container and outer fiber container, outer fiber container cover is established on interior fiber container, encircles the fixed retaining ring that is provided with in below of interior fiber container encircles the last reason equidistance of retaining ring is provided with a plurality of bosss, outer fiber container lower extreme is provided with a plurality of recesses that correspond with the boss, interior fiber container with set up interior cylinder mouth and the outer cylinder mouth that matches each other on the outer fiber container respectively.

As an optimal technical scheme of the utility model, interior fiber container and outer fiber container are the insulating cylinder that high rigidity insulating paper board made.

As an optimized technical scheme of the utility model, be provided with the bolt hole with external connection on the outer wall of interior fiber container upper end.

As an optimized technical scheme of the utility model, outer fiber container relative rotation sets up on the fiber container including.

As an optimized technical scheme of the utility model, the retaining ring with interior fiber container riveting or bonding.

The utility model discloses a technological effect and advantage:

the insulating cylinder consists of three parts, which are respectively: the outer paper tube can rotate relative to the inner paper tube, and the insulation device is simple to manufacture, reliable to install, not prone to deformation and good in insulation effect.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic structural view of the inner paper tube of the present invention;

fig. 3 is a schematic structural view of the outer paper tube of the present invention.

In the figure: 1. an inner paper tube; 2. an outer paper tube; 3. a retainer ring; 4. a boss; 5. a groove; 6. an outer cylinder mouth; 7. an inner cylinder opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a like figure 1, figure 2 and the insulating cylinder for the power transformer high-tension bushing seat that rises that figure 3 shows, including interior fiber container 1 and outer fiber container 2, interior fiber container 1 and outer fiber container 2 are the insulating cylinder that high rigidity insulating paper board made, be provided with the bolt hole with external connection on the outer wall of interior fiber container 1 upper end, 2 covers of outer fiber container are established on interior fiber container 1, fiber container 1 including outer fiber container 2 relative rotation sets up, the below that encircles interior fiber container 1 is fixed and is provided with retaining ring 3, retaining ring 3 rivets or bonds with interior fiber container 1, it is provided with a plurality of bosss 4 to encircle the last equidistance of retaining

ring

3, 2 lower extremes of outer fiber container are provided with a plurality of recesses 5 that correspond with boss 4, set up inner tube mouth 7 and outer tube mouth 6 that match each other on interior fiber container 1 and the outer fiber container 2 respectively.

The working principle is as follows: this power transformer high-voltage bushing insulator for seat that rises, the bolt hole of upper end passes through insulating bolt and outside fixed connection, and be convenient for to wire the sleeve pipe and the lead wire of interior fiber container 1 through interior fiber container mouth 7 and urceolus mouth 6, after the wiring is accomplished, upwards lift outer fiber container 2 and leave boss 4, and rotatory outer fiber container 2 makes interior fiber container mouth 7 and urceolus mouth 6 dislocation, the section of thick bamboo wall that realizes outer fiber container 2 shelters from interior fiber container mouth 7, and when inferior, boss 4 and recess 5 misplace each other and realize new boss 4 and recess 5 again and peg graft the matching, reach the spacing effect of outer fiber container 2.

In the description of the present invention, it should be understood that, if there is an orientation or positional relationship indicated by the expressions "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element 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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a power transformer high-tension bushing rises seat and uses insulating cylinder, includes interior fiber container (1) and outer fiber container (2), its characterized in that: outer fiber container (2) cover is established on interior fiber container (1), encircles the fixed retaining ring (3) that is provided with in below of interior fiber container (1), encircles it is provided with a plurality of bosss (4) to go up the equidistance on retaining ring (3), outer fiber container (2) lower extreme is provided with a plurality of recesses (5) that correspond with boss (4), interior fiber container (1) with set up interior section of thick bamboo mouth (7) and urceolus mouth (6) that match each other on outer fiber container (2) respectively.

2. The insulating cylinder for the high-voltage bushing elevating seat of the power transformer as claimed in claim 1, wherein: the inner paper cylinder (1) and the outer paper cylinder (2) are both insulating cylinders made of high-hardness insulating paper boards.

3. The insulating cylinder for the high-voltage bushing elevating seat of the power transformer as claimed in claim 1, wherein: and the outer wall of the upper end of the inner paper tube (1) is provided with a bolt hole connected with the outside.

4. The insulating cylinder for the high-voltage bushing elevating seat of the power transformer as claimed in claim 1, wherein: the outer paper tube (2) is arranged on the inner paper tube (1) in a relatively rotating manner.

5. The insulating cylinder for the high-voltage bushing elevating seat of the power transformer as claimed in claim 1, wherein: the retainer ring (3) is riveted or bonded with the inner paper tube (1).