A transformer coil adjustable mode device and method

By designing a combination device of columns, support crossbars and insulating blocks, the problems of high cost and difficulty in ensuring concentricity of traditional adjustable mold devices are solved, and low-cost and efficient concentricity control of coil assembly is achieved.

CN119517608BActive Publication Date: 2025-10-31BAODING TIANWEI BAOBIAN ELECTRICAL
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Patent Information

Application Number
CN202411922307.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-25
Publication Date
2025-10-31
Estimated Expiration
2044-12-25

AI Technical Summary

Technical Problem

Traditional adjustable transformer coil devices are costly, large in size, and difficult to ensure the concentricity of multiple coil sets.

Method used

An adjustable mold device was designed, which includes components such as columns, support crossbars, bases, and insulating blocks. The coil is tightened and its concentricity is controlled by the cooperation of the insulating blocks and the support crossbars.

Benefits of technology

It achieves a simple structure, low cost, and easy use, and can effectively ensure the concentricity of single and multiple coil sets, thereby improving product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to an adjustable transformer coil mold device and method, belonging to the field of transformer manufacturing technology. The technical solution is as follows: a column (1) is fixed on a base (3), and the column (1) is provided with multiple sets of vertically arranged support crossbars (2). Each set of support crossbars (2) is evenly arranged along the circumference of the column (1), and the top of the column (1) is provided with a lifting eye bolt hole (5). The insulating block (6) is disc-shaped, and its diameter matches the diameter of the coil to be tightened. The insulating block (6) has several support bar grooves (9) that cooperate with the transformer support bars along its circumference. The insulating block (6) has a central hole (7), and the central hole (7) of the insulating block (6) is surrounded by crossbar grooves (8). The insulating block (6) is fixed to the column (1) by the support crossbars (2). The beneficial effects of this invention are: it can effectively ensure the concentricity of single coil sets and multiple coil sets, has a simple structure, and is easy to use.
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Description

Technical Field

[0001] This invention relates to an adjustable transformer coil device and method, belonging to the field of transformer manufacturing technology. Background Technology

[0002] The adjustable mold (dummy core) device for transformer coils works in conjunction with the entire set of coil pressure plates to complete the tightening work on the inner diameter side of the entire set of coils, effectively ensuring the assembly of individual coils and the concentricity of multiple coil sets, meeting process requirements and effectively guaranteeing product quality.

[0003] Traditional adjustable core (dummy core) transformer coil devices are expensive, large in size, require a long time to adjust the diameter, and cannot guarantee the concentricity of multiple coil sets. Summary of the Invention

[0004] The purpose of this invention is to provide an adjustable transformer coil device and method, which can effectively ensure the concentricity of single coil sets and multiple coil sets, has a simple structure, is easy to use, and solves the problems existing in the background art.

[0005] The technical solution of this invention is:

[0006] An adjustable transformer coil mold device includes a column, a support crossbar, a base, lifting eye bolt holes, an insulating block, a central hole, crossbar grooves, and support bar grooves. The column is fixed on the base. Multiple sets of support crossbars are arranged vertically on the column, with each set of support crossbars evenly distributed along the circumference of the column. The top of the column has lifting eye bolt holes. The insulating block is disc-shaped, with a diameter matching the diameter of the coil to be tightened. Several support bar grooves that mate with the transformer support bars are provided on the circumference of the insulating block. The insulating block has a central hole, and crossbar grooves that mate with the support crossbars are provided around the central hole. The column is set inside the central hole, and the insulating block is fixed to the column by the support crossbars.

[0007] The number of grooves in the crossbar is the same as the number of crossbars in each group.

[0008] Each set of support crossbars consists of three evenly arranged along the circumference of the column.

[0009] The base is provided with base bolt holes.

[0010] The top of the column is fixed with a lifting ring by bolts.

[0011] Each set of support crossbars is arranged on the same plane.

[0012] The upper surface of the insulating block has lifting holes.

[0013] A method for using an adjustable transformer coil mold, employing the aforementioned adjustable transformer coil mold device, includes the following steps:

[0014] Screw the lifting ring onto the top of the column and hoist the column to the upper part of the coil pressure plate. Tighten the fixing bolts of the base to fix the column in the center of the entire coil pressure plate. Select a suitable insulating block as needed, hoist the insulating block through the lifting hole and put it on the column. Rotate the insulating block so that it is supported by a set of support crossbars of the column. Wrap the insulating cylinder and support strip around the outside of the insulating block. Measure the outer diameter of the wrapped part until it matches the inner diameter of the entire coil.

[0015] The beneficial effects of this invention are: simple structure, low cost, easy to use, and when used in conjunction with existing complete coil pressure plates, it can complete the tightening work on the inner diameter side of the complete coil, effectively ensuring the concentricity of the assembly of a single coil and multiple coil assemblies, meeting process requirements, and effectively ensuring product quality. Attached Figure Description

[0016] Figure 1 This is a front view of the column of the present invention;

[0017] Figure 2 This is a top view of the column of the present invention;

[0018] Figure 3 This is a schematic diagram of the insulating block of the present invention;

[0019] Figure 4 for Figure 3 BB section view;

[0020] Figure 5 This is a physical image of the present invention;

[0021] In the diagram: 1. Column; 2. Support crossbar; 3. Base; 4. Base bolt hole; 5. Lifting eye bolt hole; 6. Insulating block; 7. Center hole; 8. Crossbar groove; 9. Support bar groove. Detailed Implementation

[0022] The invention will be further described below with reference to the accompanying drawings and examples.

[0023] See attached document Figure 1An adjustable transformer coil mold device includes a column 1, a supporting crossbar 2, a base 3, a lifting eye bolt hole 5, an insulating block 6, a central hole 7, a crossbar groove 8, and a support bar groove 9. The column 1 is fixed on the base 3. The column 1 is provided with multiple sets of supporting crossbars 2 arranged vertically. Each set of supporting crossbars 2 is evenly arranged along the circumference of the column 1. The top of the column 1 is provided with a lifting eye bolt hole 5. The insulating block 6 is disc-shaped, and its diameter matches the diameter of the coil to be tightened. The circumference of the insulating block 6 is provided with several support bar grooves 9 that cooperate with the transformer support bars. The insulating block 6 is provided with a central hole 7. The central hole 7 of the insulating block 6 is surrounded by crossbar grooves 8 that cooperate with the supporting crossbars 2. The column 1 is set in the central hole 7, and the insulating block 6 is fixed on the column 1 by the supporting crossbars 2.

[0024] A method for using an adjustable transformer coil mold, employing the aforementioned adjustable transformer coil mold device, includes the following steps:

[0025] Screw the lifting ring onto the top of column 1 and hoist column 1 to the upper part of the coil pressure plate. Tighten the fixing bolts of base 3 and fix column 1 in the center of the entire coil pressure plate. Select a suitable insulating block 6 as needed, hoist the insulating block 6 through the hoisting hole and put it on column 1. Rotate the insulating block 6 so that the insulating block 6 is supported by a set of support crossbars 2 of column 1. Wrap the insulating cylinder and support strip around the outside of the insulating block 6. Measure the outer diameter of the wrapped part until it matches the inner diameter of the entire coil.

[0026] In this example, refer to the appendix. Figure 1 The adjustable mold device includes a column 1, a supporting crossbar 2, a base 3, base bolt holes 4, lifting eye bolt holes 5, an insulating block 6, a center hole 7, a crossbar groove 8, and a support bar groove 9, wherein:

[0027] The column 1 is fixed on the base 3, and the base 3 is provided with base bolt holes 4. Multiple sets of support crossbars 2 are fixed on the column 1, arranged vertically. Each set of support crossbars 2 consists of three round steel bars. The three round steel bars are evenly arranged along the circumference of the column 1. The round steel bars in each layer are required to be on the same plane, and the flatness shall not exceed 2mm. The top of the column 1 is provided with lifting eye bolt holes 5. After tightening the lifting eye, it is convenient to lift this tooling.

[0028] The insulating block 6 is disc-shaped, and its diameter matches the diameter of the coil that needs to be tightened. The insulating block 6 has several support bar grooves 9 that cooperate with the transformer support bars in the circumferential direction. The insulating block 6 has a central hole 7. Around the central hole 7 of the insulating block 6, there are three horizontal bar grooves 8 that cooperate with three round steel bars. The upper surface of the insulating block 6 has a hoisting hole for easy hoisting.

[0029] In use, screw on the lifting ring at the top of column 1 and hoist column 1 to the upper part of the coil pressure plate. Tighten the fixing bolts of base 3 to fix column 1 in the center of the entire coil pressure plate. According to the inner diameter of the drawing, select a suitable insulating block 6, hoist the insulating block 6 through the hoisting hole and put it on column 1. Rotate the insulating block 6 so that the insulating block 6 is supported by the three round steel bars of column 1. Wrap the insulating cylinder and support strip around the outside of the insulating block 6. Measure the outer diameter of the wrapped part until it matches the inner diameter of the entire coil.

Claims

1. A transformer coil adjustable mold device, characterized in that: It includes a column (1), a supporting crossbar (2), a base (3), a lifting eye bolt hole (5), an insulating block (6), a center hole (7), a crossbar groove (8), and a support bar groove (9). The column (1) is fixed on the base (3). The column (1) is provided with multiple sets of supporting crossbars (2) arranged vertically. Each set of supporting crossbars (2) is evenly arranged along the circumference of the column (1). The top of the column (1) is provided with a lifting eye bolt hole (5). The insulating block (6) is disc-shaped, and its diameter matches the diameter of the coil that needs to be tightened. The circumferential direction of the 6) is provided with several support bar grooves (9) that cooperate with the transformer support bars. The insulating block (6) is provided with a central hole (7). The central hole of the insulating block (6) is provided with crossbar grooves (8) that cooperate with the support crossbar (2). The column (1) is set in the central hole (7). The insulating block (6) is fixed on the column (1) by the support crossbar (2). The base (3) is provided with base bolt holes (4). The top of the column (1) is fixed with a lifting ring by bolts. The upper surface of the insulating block (6) is provided with a lifting hole.

2. The adjustable transformer coil device according to claim 1, characterized in that: The number of grooves (8) on the crossbar is the same as the number of crossbars (2) in each group.

3. The adjustable transformer coil device according to claim 2, characterized in that: Each set of support crossbars (2) consists of three evenly arranged along the circumference of the column (1).

4. The adjustable transformer coil device according to claim 3, characterized in that: Each set of the support crossbars (2) is set on the same plane.

5. A method for using an adjustable transformer coil mold, employing the adjustable transformer coil mold device according to any one of claims 1-4, comprising the following steps: Screw the lifting ring on the top of the column (1) and hoist the column (1) to the upper part of the coil pressure plate. Tighten the fixing bolts of the base (3) and fix the column (1) in the center of the entire coil pressure plate. Select a suitable insulating block (6) as needed, hoist the insulating block (6) through the hoisting hole and put it on the column (1). Rotate the insulating block (6) so that the insulating block (6) is supported by a set of support crossbars (2) of the column (1). Wrap the insulating cylinder and support strip around the outside of the insulating block (6) and measure the outer diameter after wrapping until it matches the inner diameter of the entire coil.

Citation Information

Patent Citations

  • Supporting die type transformer coil combined sleeving table

    CN203192593U

  • Staying structure of long and circular drying type transformer body

    CN204257362U