Auxiliary device for bending and winding primary conductor of mutual inductor
By designing a combination of support columns and adjustment devices, precise adjustment of the primary conductor of the current transformer was achieved, solving the mold management problem, improving production efficiency and product consistency, and ensuring the stability of the power system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-28
- Publication Date
- 2026-04-07
AI Technical Summary
In the existing technology, there are many types of molds for the primary conductor of current transformers, which leads to difficulties in warehousing management, low production efficiency, and inconsistent product dimensional accuracy, affecting the stability and reliability of the power system.
An auxiliary device was designed, including a support column, a horizontal adjustment device, and a vertical adjustment device. Through the combination of slide rails and L-shaped sliders, the horizontal and vertical dimensions of the primary conductor can be precisely adjusted to meet the production needs of different specifications.
This improved the forming efficiency and accuracy of the primary conductor of the current transformer, ensured the quality consistency of batch products, and enhanced production efficiency and product performance stability.
Smart Images
Figure CN224096539U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of bending and winding device for primary conductors of current transformers, and in particular to an auxiliary device for bending and winding primary conductors of current transformers. Background Technology
[0002] In modern power systems, current transformers, as core equipment for power measurement and relay protection, directly impact the safety and stability of power system operation. In the manufacturing process of current transformers, the diverse application scenarios and differentiated installation standards of power systems result in a wide variety of primary conductor dimensions for single-turn current transformers, especially in terminal distance specifications. The traditional molding process commonly used in the industry currently relies on specialized molds customized based on specific dimensional parameters. This "one mold per product" manufacturing model presents significant technical bottlenecks: First, the types of molds increase exponentially with product specifications, leading to a surge in mold storage and management difficulties, and frequent instances of mold mismatch and mixing on the production floor; second, frequent mold changes result in excessively high production time, severely impacting production line efficiency; third, quality control under a multi-mold system is challenging, making it difficult to guarantee the consistency of dimensional accuracy across different batches, thus affecting the overall stability and reliability of the current transformer's performance. Utility Model Content
[0003] In order to solve the technical problems existing in the prior art, this utility model provides an auxiliary device for bending and winding the primary conductor of a current transformer.
[0004] To achieve the above objectives, this utility model proposes an auxiliary device for bending and winding the primary conductor of a current transformer, comprising: a support column, a horizontal adjustment device, and a vertical adjustment device. The support column is vertically connected to the horizontal adjustment device, and the horizontal adjustment device is connected to the vertical adjustment device. By setting the horizontal adjustment device, the forming size of the primary conductor bending and winding in the horizontal direction can be adjusted. When different sizes of current transformer primary conductors are required, the forming size of the primary conductor bending and winding in the vertical direction can be adjusted by adjusting the vertical adjustment device, thereby adapting to production needs and improving the efficiency and accuracy of current transformer primary conductor forming to ensure the consistency of batch product quality.
[0005] As an optional implementation, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, the lateral adjustment device includes a slide rail, symmetrically arranged L-shaped sliders, and positioning pins. The slide rail is vertically connected to the support column, and the L-shaped sliders are slidably connected to the slide rail. Multiple positioning pin holes are provided on the side of the slide rail, and the positioning pins pass through these holes and are inserted into the grooves of the slide rail to fix the L-shaped sliders. By setting the slide rail and the symmetrically arranged L-shaped sliders, the L-shaped sliders slide within the grooves of the slide rail. Sliding the two L-shaped sliders adjusts the distance between them. After sliding to the desired size, the positioning pins fix the position of the L-shaped sliders, thereby achieving the function of lateral adjustment.
[0006] As an optional implementation, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, a scale is provided on the side of the slide rail where the positioning pin hole is located. By setting the scale, the adjustment accuracy can be further improved. High-precision scale markings are added to the side of the slide rail. When adjusting the position of the L-shaped slider, the operator can precisely control the movement distance of the L-shaped slider through the scale markings on the slide rail. The distance between the two L-shaped sliders is the lateral margin dimension of the primary conductor, thereby achieving precise adjustment of the lateral margin dimension of the primary conductor.
[0007] As an optional implementation, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, the vertical adjustment device includes symmetrically arranged guide rails and paired adjustment sliders. The guide rails are vertically arranged, and the two guide rails are respectively connected to the L-shaped sliders. Each pair of adjustment sliders is slidably connected to the guide rails, and the adjustment sliders are fixed by bolts. Specifically, the guide rails are respectively connected to the two L-shaped sliders, and two adjustment sliders are slidably connected to each guide rail. The guide rails are vertically arranged, and the two adjustment sliders can slide on the guide rails in the vertical direction to adjust the distance. The adjustment sliders are then tightened by bolts. The distance between the two adjustment sliders in the vertical direction is the vertical edge distance of the primary conductor. By sliding the adjustment sliders, the bending size of the primary conductor in the vertical direction is adjusted.
[0008] As an optional implementation, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, the side of the guide rail is provided with scale lines. By setting the scale lines, the operator can accurately control the movement distance of the adjusting slider by means of the scale lines on the guide rail when adjusting the position of the adjusting slider. The distance between the two adjusting sliders on the guide rail is the vertical edge distance of the primary conductor, thereby realizing the precise adjustment of the vertical edge distance of the primary conductor.
[0009] As an optional implementation, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, a storage tray is connected to the support column to facilitate operation.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: The auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, by setting a support column, a horizontal adjustment device and a vertical adjustment device, the support column is vertically connected to the horizontal adjustment device, and the horizontal adjustment device is connected to the vertical adjustment device. By setting the horizontal adjustment device, the forming size of the primary conductor bending and winding in the horizontal direction can be adjusted. When different sizes of current transformer primary conductors are required, the bending and winding forming size of the primary conductor in the horizontal direction is adjusted by adjusting the horizontal adjustment device, and the bending and winding forming size of the primary conductor in the vertical direction is adjusted by adjusting the vertical adjustment device, thereby adapting to production needs and improving the efficiency and accuracy of forming the primary conductor of the current transformer, so as to ensure the consistency of batch product quality. Attached Figure Description
[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0012] Figure 1 A schematic diagram of the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model;
[0013] Figure 2 A front view schematic diagram of the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model;
[0014] Figure 3 A side view of the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model;
[0015] Figure 4 for Figure 1 A magnified view of a portion of point A in the middle.
[0016] [Explanation of Labels in the Attached Image]
[0017] 1. Support column; 2. Horizontal adjustment device; 21. Slide rail; 22. L-shaped slider; 23. Positioning pin; 24. Positioning pin hole; 25. Slide groove; 26. Scale; 3. Vertical adjustment device; 31. Guide rail; 32. Adjustment slider; 33. Scale line; 4. Storage tray; 5. Primary conductor of current transformer. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] It should be noted that the technical solutions of the various embodiments of this utility model can be combined with each other, but only if they are based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the protection scope claimed by this utility model.
[0020] This utility model provides an auxiliary device for bending and winding the primary conductor of a current transformer, such as... Figures 1-4 As shown, it includes a support column 1, a horizontal adjustment device 2, and a vertical adjustment device 3. The support column 1 is vertically connected to the horizontal adjustment device 2, and the support column 1 is set vertically. The horizontal adjustment device 2 is connected to the vertical adjustment device 3. By setting the horizontal adjustment device 2, the forming size of the primary conductor bending and winding in the horizontal direction can be adjusted. When different sizes of current transformer primary conductors 5 are required, the bending and winding forming size of the primary conductor in the horizontal direction is adjusted by adjusting the horizontal adjustment device 2, and the bending and winding forming size of the primary conductor in the vertical direction is adjusted by adjusting the vertical adjustment device 3. This adapts to production needs, improves the efficiency and accuracy of forming the current transformer primary conductor 5, and ensures the consistency of batch product quality.
[0021] like Figure 1 As shown, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, the lateral adjustment device 2 includes a slide rail 21, symmetrically arranged L-shaped sliders 22, and positioning pins 23. The slide rail 21 is vertically connected to the support column 1, and the L-shaped sliders 22 are slidably connected to the slide rail 21. Multiple positioning pin holes 24 are provided on the side of the slide rail 21. The positioning pins 23 pass through the positioning pin holes 24 and are inserted into the grooves 25 of the slide rail 21 to fix the L-shaped sliders 22. By setting the slide rail 21 and the symmetrically arranged L-shaped sliders 22, the L-shaped sliders 22 slide within the grooves 25 of the slide rail 21. Sliding the two L-shaped sliders 22 adjusts the distance between them. After sliding to the required size, the position of the L-shaped sliders 22 is fixed by the positioning pins 23, thereby achieving the function of adjustment in the lateral direction.
[0022] Furthermore, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, a scale 26 is provided on the side of the slide rail 21 where the positioning pin hole 24 is located. By setting the scale 26, the adjustment accuracy can be further improved. A high-precision scale mark is added to the side of the slide rail 21. When adjusting the position of the L-shaped slider 22, the operator can accurately control the moving distance of the L-shaped slider 22 through the scale mark on the slide rail 21. The distance between the two L-shaped sliders 22 is the lateral margin dimension of the primary conductor, thereby realizing the precise adjustment of the lateral margin dimension of the primary conductor.
[0023] like Figure 1 As shown, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, the vertical adjustment device 3 includes symmetrically arranged guide rails 31 and paired adjustment sliders 32. The guide rails 31 are vertically arranged, and the two guide rails 31 are respectively connected to L-shaped sliders 22. Each pair of adjustment sliders 32 is slidably connected to the guide rails 31, and the adjustment sliders 32 are fixed by bolts. Specifically, the guide rails 31 are respectively connected to the two L-shaped sliders 22, and two adjustment sliders 32 are slidably connected to each guide rail 31. The guide rails 31 are vertically arranged, and the two adjustment sliders 32 can slide on the guide rails 31 in the vertical direction to adjust the distance. The adjustment sliders 32 are then tightened by bolts. The distance between the two adjustment sliders 32 in the vertical direction is the vertical edge distance of the primary conductor. By sliding the adjustment sliders 32, the bending size of the primary conductor in the vertical direction is adjusted.
[0024] Furthermore, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, the side of the guide rail 31 is provided with scale lines 33. By setting the scale lines 33, the operator can precisely control the moving distance of the adjusting slider 32 by means of the scale lines 33 on the guide rail 31 when adjusting the position of the adjusting slider 32. The distance between the two adjusting sliders 32 on the guide rail 31 is the vertical edge distance of the primary conductor, thereby realizing the precise adjustment of the vertical edge distance of the primary conductor.
[0025] In addition, in the auxiliary device for bending and winding the primary conductor of the current transformer provided by this utility model, a storage tray 4 is connected to the support column 1 for the convenience of the operator.
[0026] It should be understood that the above description of the specific embodiments of this utility model is only for illustrating the technical route and features of this utility model, and its purpose is to enable those skilled in the art to understand the content of this utility model and implement it accordingly. However, this utility model is not limited to the specific embodiments described above. All changes or modifications made within the scope of the claims of this utility model should be covered by the protection scope of this utility model.
Claims
1. An auxiliary device for bending and winding the primary conductor of a current transformer, characterized in that, The device includes a support column (1), a horizontal adjustment device (2), and a vertical adjustment device (3). The support column (1) is vertically connected to the horizontal adjustment device (2), and the horizontal adjustment device (2) is connected to the vertical adjustment device (3). The horizontal adjustment device (2) includes a slide rail (21), symmetrically arranged L-shaped sliders (22), and positioning pins (23). The slide rail (21) is vertically connected to the support column (1), and the L-shaped sliders (22) are slidably connected to the slide rail (21). The slide rail (21) has multiple positioning pin holes (24) on its side. The positioning pins (23) pass through the positioning pin holes (24) and are inserted into the slide grooves (25) of the slide rail (21) to fix the L-shaped sliders (22).
2. The auxiliary device for bending and winding the primary conductor of a current transformer according to claim 1, characterized in that, The slide rail (21) has a scale (26) on one side where the positioning pin hole (24) is opened.
3. The auxiliary device for bending and winding the primary conductor of a current transformer according to claim 1, characterized in that, The vertical adjustment device (3) includes symmetrically arranged guide rails (31) and paired adjustment sliders (32). The guide rails (31) are arranged vertically, and the two guide rails (31) are respectively connected to the L-shaped sliders (22). Each pair of adjustment sliders (32) is slidably connected to the guide rails (31), and the adjustment sliders (32) are fixed by bolts.
4. The auxiliary device for bending and winding the primary conductor of the current transformer according to claim 3, characterized in that, The guide rail (31) has scale lines (33) on its side.
5. The auxiliary device for bending and winding the primary conductor of a current transformer according to claim 1, characterized in that, A storage tray (4) is connected to the support column (1).