Novel oil-immersed distribution transformer coil yoke insulator

Abstract

The utility model belongs to the technical field of transformers, and particularly relates to a novel oil-immersed distribution transformer coil iron yoke insulator which comprises an iron yoke insulating frame, movable boxes are symmetrically installed on the iron yoke insulating frame, sliding plates are arranged in the movable boxes, three sets of supporting blocks are fixedly installed on the sliding plates, and the supporting blocks are arranged in the movable boxes. An adjusting assembly is arranged in the movable box, the top end of the supporting block extends out of the iron yoke insulation frame, and a coil body is arranged on the supporting block. According to the novel oil-immersed distribution transformer coil iron yoke insulation device, through the installed supporting block, coils of different sizes can be conveniently and rapidly installed through the novel oil-immersed distribution transformer coil iron yoke insulation, after a coil body is placed on the supporting block, the position of the sliding plate is adjusted through the adjusting assembly, and then the position of the supporting block can be adjusted; after the distance between the symmetrically arranged supporting blocks is adjusted, the novel oil-immersed distribution transformer coil iron yoke insulator can conveniently limit and clamp coil bodies with different sizes, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transformers, in particular to a novel oil-immersed distribution transformer coil iron yoke insulation. Background Art

[0002] The coil yoke insulation of the new oil-immersed distribution transformer is a key part in the transformer design. It involves the electrical performance and reliability of the transformer. Advanced insulation materials are usually used with excellent electrical insulation performance, heat resistance and mechanical strength. It is mainly responsible for supporting and protecting the high-voltage coil of the transformer and preventing overheating caused by electric field eddy currents and magnetic flux concentration.

[0003] The existing new oil-immersed distribution transformer coil iron yoke insulation design seems to be somewhat incapable of coping with the diverse transformer coil sizes. The installation process may require more time and effort, affecting work efficiency. Utility Model Content

[0004] The utility model aims to provide a novel oil-immersed distribution transformer coil yoke insulation to solve the technical problem of inconvenience in quickly installing transformer coils of different sizes proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel oil-immersed distribution transformer coil iron yoke insulation, comprising an iron yoke insulation frame, on which a movable box is symmetrically installed, a sliding plate is arranged inside the movable box, three groups of support blocks are fixedly installed on the sliding plate, an adjustment component is arranged inside the movable box, and the top end of the support block extends out of the interior of the iron yoke insulation frame, and a coil body is arranged on the support block.

[0006] Preferably, the adjustment assembly includes a threaded rod, a threaded barrel and a rotating disk, the threaded barrel is fixedly mounted on the sliding plate, and one end of the threaded barrel extends to the inside of the middle support block, and the rotating disk is fixedly connected to one end of the threaded rod.

[0007] Preferably, a limiting axis is fixedly mounted on the top of the support block.

[0008] Preferably, sliding grooves are symmetrically arranged inside the limiting shaft.

[0009] Preferably, a sliding block is provided inside the slide groove, a driving spring is fixedly mounted on the sliding block, and one end of the driving spring is fixedly connected to the inner wall of the slide groove.

[0010] Preferably, a limiting block is fixedly mounted on the sliding block, and one end of the limiting block extends out of the interior of the sliding groove.

[0011] Preferably, a guide groove is fixedly installed inside the limit block, a guide plate is arranged inside the guide groove, and one end of the guide plate is fixedly connected to the inner wall of the slide groove.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model facilitates the rapid installation of coils of different sizes on the new oil-immersed distribution transformer coil yoke insulation through the installed support block. After the coil body is placed on the support block, the position of the sliding plate is adjusted by adjusting the assembly, and then the position of the support block is adjusted. After adjusting the spacing between the symmetrically arranged support blocks, the new oil-immersed distribution transformer coil yoke insulation is convenient for limiting and clamping the position of the coil body of different sizes, thereby improving work efficiency;

[0014] 2. The utility model facilitates improving the stability of the installation of the coil body of the new oil-immersed distribution transformer coil iron yoke insulation by installing a limit shaft. When the iron yoke insulation frame is used to limit the installation of the coil body, after the coil body is installed between two symmetrically arranged groups of support blocks, the limit shaft will be inserted into the interior of the coil body, and the reset spring drives the spring to reset, which will push the sliding block to move. The movement of the sliding block will push the limit block to move. After the limit block moves out of the slide groove, the limit block contacts the inner wall of the coil body, which will improve the stability of the coil body position and effectively prevent the coil body from sliding and affecting the installation stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the iron yoke insulation frame of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the movable box of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the sliding plate and the supporting block of the utility model;

[0019] Figure 5 This is a schematic diagram of the limit shaft structure of the utility model.

[0020] In the figure: 1. iron yoke insulating frame; 2. movable box; 3. sliding plate; 4. support block; 5. threaded rod; 6. threaded cylinder; 7. rotating disk; 8. limit shaft; 9. slide groove; 10. driving spring; 11. sliding block; 12. guide plate; 13. limit block; 14. coil body; 15. guide groove. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 - Figure 4 A novel oil-immersed distribution transformer coil yoke insulation comprises an iron yoke insulation frame 1, a movable box 2 is symmetrically mounted on the iron yoke insulation frame 1, a sliding plate 3 is arranged inside the movable box 2, three groups of support blocks 4 are fixedly mounted on the sliding plate 3, an adjustment component is arranged inside the movable box 2, and the top of the support block 4 extends out of the iron yoke insulation frame 1, and a coil body 14 is arranged on the support block 4. The novel oil-immersed distribution transformer coil yoke insulation is a key transformer component, which is mainly responsible for supporting and protecting the high-voltage coil of the transformer to prevent overheating caused by electric field eddy current and magnetic flux concentration. When using the novel oil-immersed distribution transformer coil yoke insulation, when the transformer coil is fixed and limited, the coil body 14 is installed inside the iron yoke insulation frame 1. When installing, it is performed according to the size of the coil body 14. After the coil body 14 is placed on the support block 4, the position of the sliding plate 3 is adjusted by adjusting the component, and then the position of the support block 4 is adjusted. After adjusting the spacing between the symmetrically arranged support blocks 4, it is convenient to limit and clamp the positions of the coil bodies 14 of different sizes, so as to achieve the purpose of improving the installation efficiency and improve the work efficiency. After the iron yoke insulating frame 1 limits the installation of the transformer coil, the iron yoke insulating frame 1 can be installed inside the transformer for use. The iron yoke insulating frame 1 is made of high-quality insulating materials, such as epoxy resin, glass fiber reinforced plastic or some advanced insulating composite materials, which have good temperature resistance, electrical strength and mechanical properties.

[0023] See also Figure 4 The adjusting component includes a threaded rod 5, a threaded barrel 6 and a rotating disk 7. The threaded barrel 6 is fixedly mounted on the sliding plate 3, and one end of the threaded barrel 6 extends to the inside of the middle support block 4. The rotating disk 7 is fixedly connected to one end of the threaded rod 5. When the adjusting component works to adjust the position of the support block 4, the rotation of the rotating disk 7 will drive the threaded rod 5 to rotate. When the threaded rod 5 rotates, the position of the sliding plate 3 will be moved through the threaded barrel 6, thereby adjusting the position of the support block 4.

[0024] See also Figure 2 and Figure 3A limiting shaft 8 is fixedly installed on the top of the support block 4, and the support block 4 supports the limiting shaft 8. The position of the coil body 14 is limited by the limiting shaft 8 to improve the stability of the installation.

[0025] See also Figure 1 The interior of the limiting shaft 8 is symmetrically provided with a slide groove 9, and the limiting shaft 8 provides an installation space for the slide groove 9.

[0026] See also Figure 5 A sliding block 11 is arranged inside the slide groove 9, a driving spring 10 is fixedly mounted on the sliding block 11, and one end of the driving spring 10 is fixedly connected to the inner wall of the slide groove 9. The slide groove 9 provides an installation space for the sliding block 11, and the sliding block 11 is convenient for sliding inside the slide groove 9. The reset of the driving spring 10 will push the position of the sliding block 11 to move.

[0027] See also Figure 5 A limit block 13 is fixedly installed on the sliding block 11, and one end of the limit block 13 extends out of the interior of the slide groove 9. A guide groove 15 is fixedly installed inside the limit block 13. A guide plate 12 is arranged inside the guide groove 15, and one end of the guide plate 12 is fixedly connected to the inner wall of the slide groove 9. When the iron yoke insulating frame 1 performs limit installation on the coil body 14, after the coil body 14 is installed between two groups of symmetrically arranged support blocks 4, the limit shaft 8 will be inserted into the interior of the coil body 14, and the reset spring drives the spring 10 to reset, which will push the sliding block 11 to move. The movement of the sliding block 11 will push the limit block 13 to move. After the limit block 13 moves out of the interior of the slide groove 9, the limit block 13 contacts the inner wall of the coil body 14, which will improve the stability of the position of the coil body 14, effectively avoiding the position of the coil body 14 from sliding, affecting the stability of the installation.

[0028] Working principle. First, the yoke insulation of the coil of the new oil-immersed distribution transformer is a key transformer component. It is mainly responsible for supporting and protecting the high-voltage coil of the transformer to prevent overheating caused by electric field eddy currents and magnetic flux concentration. When using the yoke insulation of the coil of the new oil-immersed distribution transformer, when the transformer coil is fixed and limited, when the coil body 14 is installed inside the yoke insulation frame 1, it is installed according to the size of the coil body 14. After the coil body 14 is placed on the support block 4, the position of the sliding plate 3 is adjusted by adjusting the component, and then the position of the support block 4 is adjusted. After adjusting the spacing between the symmetrically arranged support blocks 4, it is convenient to limit and clamp the position of the coil body 14 of different sizes, thereby improving work efficiency. When the yoke insulation frame 1 is used to limit the installation of the coil body 14, the coil body 1 After the symmetrically arranged two groups of support blocks 4 are installed, the limit shaft 8 will be inserted into the interior of the coil body 14, and the reset spring drives the spring 10 to reset, which will push the sliding block 11 to move, and the movement of the sliding block 11 will push the limit block 13 to move. After the limit block 13 moves out of the interior of the slide groove 9, the limit block 13 contacts the inner wall of the coil body 14, which will improve the stability of the position of the coil body 14, effectively avoiding the position of the coil body 14 from sliding and affecting the stability of the installation. After the iron yoke insulating frame 1 performs the limit installation on the transformer coil, the iron yoke insulating frame 1 can be installed inside the transformer for use. The iron yoke insulating frame 1 is made of high-quality insulating materials, such as epoxy resin, glass fiber reinforced plastic or some advanced insulating composite materials, which have good temperature resistance, electrical strength and mechanical properties.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A novel oil-immersed distribution transformer coil yoke insulation, comprising a yoke insulation frame (1), characterized in that: A movable box (2) is symmetrically mounted on the iron yoke insulating frame (1), a sliding plate (3) is arranged inside the movable box (2), three groups of support blocks (4) are fixedly mounted on the sliding plate (3), an adjustment component is arranged inside the movable box (2), and the top end of the support block (4) extends out of the interior of the iron yoke insulating frame (1), and a coil body (14) is arranged on the support block (4).

2. The novel oil-immersed distribution transformer coil yoke insulation according to claim 1 is characterized in that: The adjustment assembly comprises a threaded rod (5), a threaded barrel (6) and a rotating disk (7); the threaded barrel (6) is fixedly mounted on the sliding plate (3), and one end of the threaded barrel (6) extends into the interior of the intermediate support block (4); and the rotating disk (7) is fixedly connected to one end of the threaded rod (5).

3. The novel oil-immersed distribution transformer coil yoke insulation according to claim 1 is characterized in that: A limiting shaft (8) is fixedly mounted on the top of the support block (4).

4. The novel oil-immersed distribution transformer coil yoke insulation according to claim 3 is characterized in that: The limiting shaft (8) is symmetrically provided with sliding grooves (9) inside.

5. The novel oil-immersed distribution transformer coil yoke insulation according to claim 4 is characterized in that: A sliding block (11) is arranged inside the sliding groove (9), a driving spring (10) is fixedly mounted on the sliding block (11), and one end of the driving spring (10) is fixedly connected to the inner wall of the sliding groove (9).

6. The novel oil-immersed distribution transformer coil yoke insulation according to claim 5 is characterized in that: A limit block (13) is fixedly mounted on the sliding block (11), and one end of the limit block (13) extends out of the interior of the sliding groove (9).

7. The novel oil-immersed distribution transformer coil yoke insulation according to claim 6 is characterized in that: A guide groove (15) is fixedly installed inside the limit block (13), a guide plate (12) is arranged inside the guide groove (15), and one end of the guide plate (12) is fixedly connected to the inner wall of the slide groove (9).

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