Inner supporting tool for transformer winding production

By designing an adjustable internal support fixture, the problem of poor applicability of existing internal support fixtures is solved, achieving adaptability to support windings of different sizes and reducing costs.

CN224248455UActive Publication Date: 2026-05-15LUOYANG XINGHE ELECTRIC CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
LUOYANG XINGHE ELECTRIC CO LTD
Filing Date
2025-05-29
Publication Date
2026-05-15

AI Technical Summary

Technical Problem

Existing internal support fixtures are only applicable to windings of one size, which is not practical and results in a large number of fixtures and high costs.

Method used

An internal support fixture comprising two symmetrical support plates, an internal support assembly, and a linkage assembly was designed. The distance between the support plates is adjusted by a two-way lead screw and an internal hexagonal rotating head, and the synchronous movement of the internal support assembly is achieved by a synchronous pulley and a synchronous belt. It is suitable for windings of a certain size range.

Benefits of technology

The applicability of the internal support tooling has been improved, enabling it to adapt to the support requirements of windings of different sizes, reducing the number of tooling and lowering costs.

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Abstract

The utility model discloses an inner supporting tool for transformer winding production, which comprises two supporting plates, the two supporting plates are symmetrically arranged, cushion blocks are arranged in the supporting plates, two inner supporting assemblies are arranged between the two cushion blocks, and the two inner supporting assemblies are connected through a linkage assembly. The upper end and the lower end of the connecting plate are connected with the cushion blocks through the connecting assemblies. The inner supporting assembly comprises a two-way lead screw, an inner hexagonal rotating head, a rotating shaft and an adjusting set. The two supporting plates are connected through the two inner supporting assemblies, so that the distance between the two supporting plates can be adjusted through the inner supporting assemblies, the winding device is suitable for winding of a winding with the size within a certain range, the two inner supporting assemblies can synchronously move through arrangement of the linkage assembly, and the supporting precision of the inner supporting assemblies is guaranteed.
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Description

Technical Field

[0001] This application relates to the field of transformer winding production technology, specifically to an internal support tooling for transformer winding production. Background Technology

[0002] Transformer windings are the core component of a transformer, responsible for converting voltage and current through electromagnetic induction. Their design, materials, and manufacturing processes directly affect the transformer's efficiency, reliability, and lifespan.

[0003] Internal support fixtures are key auxiliary tools in the transformer manufacturing process. They are mainly used to maintain the geometry of the windings, prevent deformation, and ensure uniform insulation gaps during winding, drying, impregnation, and curing processes. Existing internal support fixtures cannot be adjusted, and one internal support fixture can only support a winding of one size, which is not very practical. They also require a lot of fixtures and are costly. Therefore, this application proposes an internal support fixture for transformer winding production to solve these problems. Summary of the Invention

[0004] The technical problem to be solved by this application is to overcome the existing defects and provide an internal support tooling for transformer winding production, which can effectively solve the problems in the background art.

[0005] To achieve the above objectives, this application provides the following technical solution: an internal support tooling for transformer winding production, comprising a support plate, wherein there are two support plates arranged symmetrically, a pad is provided inside the support plate, two internal support components are provided between the two pads, the two internal support components are connected by a linkage component, the two ends of the two internal support components are connected by a connecting plate, and the upper and lower ends of the connecting plate are connected to the pads by a connecting component.

[0006] The internal support assembly includes a two-way lead screw, an internal hexagonal swivel head, a rotating shaft, and an adjustment group. Both ends of the rotating shaft are provided with two-way lead screws. The outer side of the two-way lead screws is connected to two pads through the adjustment group. One end of one of the two-way lead screws is rotatably connected to the connecting plate, and the other two-way lead screw is connected to the internal hexagonal swivel head mounted on the connecting plate, and the internal hexagonal swivel head is rotatably connected to the connecting plate.

[0007] Furthermore, the adjustment assembly includes a movable seat, a connecting seat, and a support rod. The outer side of the bidirectional lead screw is connected to two movable seats via two lead screw nuts. Support rods are hinged to both the upper and lower ends of the movable seats. The support rods on the two movable seats are connected via a connecting seat, and the support rods are hinged together with the connecting seat. The connecting seat is fixed on the pad.

[0008] Furthermore, both the movable seat and the connecting seat are in the shape of an "I".

[0009] Furthermore, the linkage component includes a timing pulley and a timing belt. The timing pulley is mounted on the rotating shaft, and the two timing pulleys are connected by the timing belt.

[0010] Furthermore, the connecting assembly includes a first connecting rod, a first mounting plate, a second connecting rod, and a second mounting plate. Two first mounting plates are provided at both ends of the upper pad, and a first connecting rod is provided at the bottom of the first mounting plate. The first connecting rod passes through the connecting plate and is slidably connected to the connecting plate. Second mounting plates are provided at both ends of the lower pad, and a second connecting rod is provided at the top of the second mounting plate. The second connecting rod passes through the connecting plate and is slidably connected to the connecting plate.

[0011] Furthermore, a connecting block is provided at one end of the connecting plate away from the bidirectional lead screw, and one of the connecting blocks is provided with a pin hole.

[0012] Compared with the prior art: In this application, the two support plates are connected by two inner support components, so that the inner support components can adjust the distance between the two support plates to make it suitable for winding of a certain range of sizes. Furthermore, through the setting of the linkage component, the two inner support components can move synchronously to ensure the support accuracy of the inner support components. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the structure of this application;

[0014] Figure 2 This is a front sectional view of this application;

[0015] Figure 3 for Figure 2 Sectional view of AA.

[0016] In the diagram: 1 Support plate, 2 Pad block, 3 Inner support assembly, 4 Two-way lead screw, 5 Hexagonal swivel head, 6 Rotating shaft, 7 Adjustment group, 8 Moving seat, 9 Connecting seat, 10 Support rod, 11 Linkage assembly, 12 Synchronous pulley, 13 Synchronous belt, 14 Connecting plate, 15 Connecting assembly, 16 First connecting rod, 17 First mounting plate, 18 Second connecting rod, 19 Second mounting plate, 20 Connecting block, 21 Ejector pin hole. Detailed Implementation

[0017] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments in this application (for ease of description and understanding, hereinafter referred to as...), Figure 2 (The above is described above). All other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this application.

[0018] Please see Figure 1-3 This application provides a technical solution for an internal support tooling for transformer winding production: an internal support tooling for transformer winding production includes a support plate 1, the number of support plates 1 is two, and the two support plates 1 are symmetrically arranged, and a pad block 2 is provided inside the support plate 1.

[0019] The pad 2 can improve the strength of the support plate 1, which is arc-shaped.

[0020] Two internal support assemblies 3 are provided between the two pad blocks 2. The internal support assembly 3 includes a two-way lead screw 4, an internal hexagonal rotating head 5, a rotating shaft 6, and an adjustment group 7. Two-way lead screws 4 are provided at both ends of the rotating shaft 6. The outer side of the two-way lead screw 4 is connected to the two pad blocks 2 through the adjustment group 7. One end of one of the two-way lead screws 4 is rotatably connected to the connecting plate 14, and the other two-way lead screw 4 is connected to the internal hexagonal rotating head 5 installed on the connecting plate 14. The internal hexagonal rotating head 5 is rotatably connected to the connecting plate 14.

[0021] Two bidirectional lead screws 4 and adjusting groups 7 are symmetrically arranged about the rotating shaft 6. A hex wrench is inserted into the internal hexagon rotating head 5. Then, the hex wrench is rotated, causing the internal hexagon rotating head 5 to drive the bidirectional lead screws 4 and the rotating shaft 6 to rotate. At the same time, the linkage assembly 11 installed on the rotating shaft 6 transmits power to another inner support assembly 3, causing the adjusting groups 7 on the two inner support assemblies 3 to rise or fall, thereby adjusting the distance between the two support plates 1 and supporting the winding within a certain size range.

[0022] Furthermore, the adjustment group 7 includes a movable seat 8, a connecting seat 9, and a support rod 10. The outer side of the bidirectional lead screw 4 is connected to the two movable seats 8 through two lead screw nuts. The upper and lower ends of the movable seats 8 are hinged with support rods 10. The support rods 10 on the two movable seats 8 are connected through the connecting seat 9, and the support rods 10 and the connecting seat 9 are hinged together. The connecting seat 9 is fixed on the pad block 2.

[0023] When the bidirectional lead screw 4 drives the two moving seats 8 and the support rod 10 to move closer or further apart, the connecting seat 9 drives the pad block 2 and the support plate 1 to rise or fall, thereby supporting the winding within a certain size range.

[0024] Furthermore, both the movable seat 8 and the connecting seat 9 are in the shape of an "I". The support rod 10 is installed in the grooves at both ends of the "I" shape, and the two ends of the support rod 10 are respectively hinged to the movable seat 8 and the connecting seat 9.

[0025] The two inner support components 3 are connected by a linkage component 11, which includes a synchronous pulley 12 and a synchronous belt 13. The synchronous pulley 12 is mounted on the rotating shaft 6, and the two synchronous pulleys 12 are connected by the synchronous belt 13. The synchronous pulley 12 is connected to the rotating shaft 6 by a keyway and a flat key. By setting the synchronous pulley 12 and the synchronous belt 13, the two inner support components 3 can move synchronously, and the accuracy and stability of the movement of the inner support components 3 are improved.

[0026] The two inner support components 3 are connected at both ends by a connecting plate 14. A connecting block 20 is provided at one end of the connecting plate 14 away from the bidirectional lead screw 4. One of the connecting blocks 20 is provided with a pin hole 21.

[0027] One of the connecting blocks 20 is mounted on the power output shaft of the winding machine by a clamp, and the other connecting block 20 with a pin hole 21 is fixed and supported by a rotary center. The winding machine, clamp and rotary center mentioned here are all existing technologies.

[0028] The upper and lower ends of the connecting plate 14 are connected to the pad 2 via the connecting assembly 15. The connecting assembly 15 includes a first connecting rod 16, a first mounting plate 17, a second connecting rod 18, and a second mounting plate 19. The upper pad 2 has two first mounting plates 17 at both ends. The bottom of the first mounting plate 17 has a first connecting rod 16. The first connecting rod 16 passes through the connecting plate 14 and is slidably connected to the connecting plate 14. The lower pad 2 has two second mounting plates 19 at both ends. The top of the second mounting plate 19 has a second connecting rod 18. The second connecting rod 18 passes through the connecting plate 14 and is slidably connected to the connecting plate 14.

[0029] The second connecting rod 18 is placed between the two first connecting rods 16. The first connecting rod 16 and the second connecting rod 18 have the same structure, both consisting of a smooth rod and a limiting plate. The smooth rod is slidably connected to the connecting plate 14, and the limiting plate can prevent the smooth rod from detaching from the connecting plate 14.

[0030] By setting the connecting component 15, the two ends of the pads 2 on the two support plates 1 can be connected, thereby improving the stability of the movement of the two support plates 1.

[0031] In use: Insert the hex wrench into the internal hex head 5 according to the required length of the winding. Then, rotate the hex wrench to make the internal hex head 5 drive the double-acting screw 4 and the rotating shaft 6 to rotate. At the same time, the synchronous pulley 12 and the synchronous belt 13 installed on the rotating shaft 6 cooperate to transmit power to another inner support assembly 3. Then, the double-acting screw 4 drives the two moving seats 8 and the support rod 10 to move closer or further apart. The connecting seat 9 drives the pad 2 and the support plate 1 to rise or fall, thereby supporting the winding within a certain size range.

[0032] Although embodiments of this application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An internal support fixture for transformer winding production, characterized in that: Includes a support plate (1), there are two support plates (1) and the two support plates (1) are symmetrically arranged. A pad (2) is provided inside the support plate (1). Two inner support components (3) are provided between the two pads (2). The two inner support components (3) are connected by a linkage component (11). The two ends of the two inner support components (3) are connected by a connecting plate (14). The upper and lower ends of the connecting plate (14) are connected to the pads (2) by a connecting component (15). The inner support assembly (3) includes a two-way lead screw (4), an internal hexagonal rotating head (5), a rotating shaft (6), and an adjustment group (7). Both ends of the rotating shaft (6) are provided with two-way lead screws (4). The outer side of the two-way lead screw (4) is connected to two pads (2) through the adjustment group (7). One end of one of the two-way lead screws (4) is rotatably connected to the connecting plate (14), and the other two-way lead screw (4) is connected to the internal hexagonal rotating head (5) installed on the connecting plate (14). The internal hexagonal rotating head (5) is rotatably connected to the connecting plate (14).

2. The internal support fixture for transformer winding production according to claim 1, characterized in that: The adjustment group (7) includes a movable seat (8), a connecting seat (9) and a support rod (10). The outer side of the bidirectional screw (4) is connected to the two movable seats (8) through two screw nuts. The upper and lower ends of the movable seats (8) are hinged with support rods (10). The support rods (10) on the two movable seats (8) are connected through the connecting seat (9), and the support rods (10) and the connecting seat (9) are hinged together. The connecting seat (9) is fixed on the pad (2).

3. The internal support fixture for transformer winding production according to claim 2, characterized in that: Both the movable seat (8) and the connecting seat (9) are in the shape of an "I".

4. The internal support fixture for transformer winding production according to claim 1, characterized in that: The linkage component (11) includes a synchronous pulley (12) and a synchronous belt (13). The synchronous pulley (12) is mounted on the rotating shaft (6), and the two synchronous pulleys (12) are connected by the synchronous belt (13).

5. The internal support fixture for transformer winding production according to claim 1, characterized in that: The connecting assembly (15) includes a first connecting rod (16), a first mounting plate (17), a second connecting rod (18), and a second mounting plate (19). The upper pad (2) has two first mounting plates (17) at both ends. The bottom of the first mounting plate (17) has a first connecting rod (16). The first connecting rod (16) passes through the connecting plate (14) and is slidably connected to the connecting plate (14). The lower pad (2) has two second mounting plates (19) at both ends. The top of the second mounting plate (19) has a second connecting rod (18). The second connecting rod (18) passes through the connecting plate (14) and is slidably connected to the connecting plate (14).

6. The internal support fixture for transformer winding production according to claim 1, characterized in that: The connecting plate (14) is provided with a connecting block (20) at one end away from the bidirectional lead screw (4), and one of the connecting blocks (20) is provided with a pin hole (21).