Dry-type transformer iron core clamping device
By designing a dry transformer core clamping device including a base, clamping frame, clamping rod, moving rod and top holder, the problem of difficulty in maintaining verticality of the core during assembly is solved, and the stable and centralized placement of the core is achieved.
Patent Information
- Application Number
- CN202422263105.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-13
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-09-13
AI Technical Summary
When assembling the dry transformer core, it is difficult to keep the core vertical, resulting in inconvenient placement.
A dry transformer core clamping device is designed, including a base, a clamping frame, a clamping rod, a moving rod and a top holder. By fitting the limit ring and the spring, the top holder can move between the clamping frames, holding the core so that it remains vertical.
The stable placement of the iron core between the clamping frames is achieved, ensuring that the iron core remains vertical, facilitates subsequent assembly, and improves the concentration of the iron core.
Smart Images
Figure CN223051990U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of iron core clamping, in particular to a dry-type transformer iron core clamping device. Background Technique
[0002] The iron core of a transformer is the main magnetic circuit part in the transformer. It is usually stacked by hot-rolled or cold-rolled silicon steel sheets with a relatively high silicon content and an insulating paint coated on the surface. The iron core and the coil wound on it form a complete electromagnetic induction system. The size of the power transmitted by a power transformer depends on the material and cross-sectional area of the iron core;
[0003] When assembling the iron core of a dry-type transformer, it is necessary to clamp the iron core through a clamping frame. However, before clamping the iron core, it is necessary to place the iron core between the clamping structures. When placing the iron core, it needs to be placed piece by piece. The previously placed iron core cannot be guaranteed to be vertical, resulting in inconvenience in placing the subsequent iron cores. Content of the Utility Model
[0004] The purpose of the utility model is to provide a dry-type transformer iron core clamping device to solve the problems put forward in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A dry-type transformer iron core clamping device, which includes: a base, and a clamping frame is arranged on the top of the base;
[0006] A clamping rod, a moving rod is arranged inside the clamping rod, a holding piece is arranged at the end of the moving rod, and a limiting block is arranged on the surface of the moving rod; and
[0007] A through groove is arranged on the surface of the clamping rod.
[0008] Preferably, a sliding groove is opened on the surface of the base, the bottom of the clamping frame is inserted into the sliding groove, and the bottom of the clamping frame can move in the sliding groove.
[0009] Preferably, there are two groups of clamping frames, an iron core is placed between the two groups of clamping frames, and a clamping groove is opened on the surface of the clamping frame, and the clamping rod is inserted into the clamping groove.
[0010] Preferably, limiting rings are arranged at both ends of the clamping rod, and the moving rod is inserted into the inside of the clamping rod,
[0011] The moving rod can move and rotate inside the clamping rod.
[0012] Preferably, a groove and a through groove are formed at the end of the clamping rod. A limiting block is fixed on the surface of the moving rod. The limiting block moves and rotates along with the moving rod. The limiting block can abut against the groove, and the limiting block can enter the inside of the through groove. The hole inside the clamping rod is larger than the diameter of the moving rod, so that the limiting block enters the through groove. The limiting block can rotate inside the clamping rod along with the moving rod, and multiple groups of limiting blocks are provided.
[0013] Preferably, a spring is arranged outside the moving rod. One end of the spring is connected to the end of the moving rod.
[0014] The other end is connected to the surface of the limiting ring, and a pull ring is fixed at the end of the moving rod.
[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0016] In the present utility model, the iron core is placed between two groups of clamping frames. The clamping rod is inserted into the clamping slot, and the limiting ring is limited on the surface of the clamping frame. Under the pulling of the spring, the holding piece is located between the two groups of clamping frames. The end of the holding piece abuts against the surface of the iron core, so that the placed iron core is abutted against the surface of one group of clamping frames. When placing the iron core, due to the abutment of the holding piece, the placed iron cores are concentrated on one side and kept vertical. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;
[0018] Figure 2 is a structural schematic diagram of the holding piece of the present utility model;
[0019] Figure 3 is another perspective structural schematic diagram of the holding piece of the present utility model;
[0020] Figure 4 is Figure 3 an enlarged schematic diagram of the structure at A in
[0021] In the figure: base 1, sliding groove 2, iron core 3, clamping frame 4, clamping slot 5, pull ring 6, spring 7, moving rod 8, clamping rod 9, limiting ring 10, holding piece 11, limiting block 12, groove 13, through groove 14. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0022] In order to clearly and completely describe the purpose, technical solution of the present utility model, and make the advantages more clear, the following further details the embodiments of the present utility model with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present utility model, rather than all of the embodiments, and are only used to explain the embodiments of the present utility model, not to limit the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present utility model.
[0023] Please refer to Figures 1 - 4 , the present utility model provides a technical solution: a clamping device for the core of a dry-type transformer, which includes: a clamping frame 4 is provided on the top of a base 1, a chute 2 is opened on the surface of the base 1, the bottom of the clamping frame 4 is inserted into the chute 2, and the bottom of the clamping frame 4 can move in the chute 2. There are two groups of clamping frames 4, and a core 3 is placed between the two groups of clamping frames 4. A clamping groove 5 is opened on the surface of the clamping frame 4, a clamping rod 9 is inserted into the clamping groove 5, the clamping rod 9 is inserted into the clamping groove 5, and a limiting ring 10 is limited on the surface of the clamping frame 4. Under the pulling of a spring 7, a top holding piece 11 is located between the two groups of clamping frames 4;
[0024] A moving rod 8 is arranged inside the clamping rod 9, a top holding piece 11 is arranged at the end of the moving rod 8, a limiting block 12 is arranged on the surface of the moving rod 8, a spring 7 is arranged outside the moving rod 8, one end of the spring 7 is connected to the end of the moving rod 8, and the other end is connected to the surface of the limiting ring 10. A pull ring 6 is fixed at the end of the moving rod 8. By rotating the pull ring 6, the moving rod 8 rotates. When the limiting block 12 moves to the position of the through groove 14, the moving rod 8 can move inside the clamping rod 9, so that the distance between the top holding piece 11 and a group of clamping frames 4 increases;
[0025] A through groove 14 is arranged on the surface of the clamping rod 9, limiting rings 10 are arranged at both ends of the clamping rod 9, the moving rod 8 is inserted into the clamping rod 9, and the moving rod 8 can move and rotate inside the clamping rod 9. Grooves 13 and through grooves 14 are opened at the ends of the clamping rod 9. A limiting block 12 is fixed on the surface of the moving rod 8, and the limiting block 12 moves and rotates along with the moving rod 8. The limiting block 12 can hold against the inside of the groove 13, and the limiting block 12 can enter the inside of the through groove 14. The hole inside the clamping rod 9 is larger than the diameter of the moving rod 8, so that the limiting block 12 enters the through groove 14. The limiting block 12 can rotate inside the clamping rod 9 along with the moving rod 8, and there are multiple groups of limiting blocks 12. By rotating the moving rod 8 again, the limiting block 12 holds against the surface of the groove 13, and the position of the moving rod 8 can be stabilized.
[0026] In actual use, the iron core 3 is placed between two groups of clamping brackets 4. The clamping rod 9 is inserted into the clamping groove 5, and the limiting ring 10 is limited on the surface of the clamping bracket 4. Under the pulling of the spring 7, the top holding piece 11 is located between the two groups of clamping brackets 4, and the end of the top holding piece 11 abuts against the surface of the iron core 3, so that the placed iron core 3 is abutted against the surface of one group of clamping brackets 4. When placing the iron core 3, due to the abutment of the top holding piece 11, the placed iron cores 3 are all concentrated on one side and kept vertical, and multiple groups of iron cores 3 are attached together. Rotate the pull ring 6. When the limiting block 12 moves to the position of the through groove 14, the moving rod 8 can move inside the clamping rod 9, so that the distance between the top holding piece 11 and one group of clamping brackets 4 increases, and more iron cores 3 can be placed. And rotate the moving rod 8 again, so that the limiting block 12 abuts against the surface of the groove 13, and the position of the moving rod 8 can be stabilized. After the iron cores 3 are placed, the clamping rod 9 is removed from the clamping groove 5, and the clamping brackets 4 move in the sliding groove 2, and the two groups of clamping brackets 4 are fixed by using screws.
[0027] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A dry-type transformer core clamping device, characterized in that: include: A base (1), wherein a clamping frame (4) is arranged on the top of the base (1); A clamping rod (9), a moving rod (8) is arranged inside the clamping rod (9), a top holding piece (11) is arranged at the end of the moving rod (8), and a limiting block (12) is arranged on the surface of the moving rod (8); and A through groove (14) is provided on the surface of the clamping rod (9).
2. A dry-type transformer core clamping device according to claim 1, characterized in that: A slide groove (2) is provided on the surface of the base (1), and the bottom of the clamping frame (4) is inserted into the slide groove (2), and the bottom of the clamping frame (4) can move in the slide groove (2).
3. The dry-type transformer core clamping device according to claim 2 is characterized in that: The clamping frames (4) are provided in two groups, an iron core (3) is placed between the two groups of clamping frames (4), a clamping groove (5) is provided on the surface of the clamping frame (4), and a clamping rod (9) is inserted into the clamping groove (5).
4. The dry-type transformer core clamping device according to claim 3 is characterized in that: Limiting rings (10) are arranged at both ends of the clamping rod (9), and the moving rod (8) is inserted into the inside of the clamping rod (9), so that the moving rod (8) can move and rotate inside the clamping rod (9).
5. The dry-type transformer core clamping device according to claim 4, characterized in that: The end of the clamping rod (9) is provided with a groove (13) and a through groove (14); a limit block (12) is fixed on the surface of the moving rod (8); the limit block (12) moves and rotates along with the moving rod (8); the limit block (12) can be held in the groove (13) and can enter the interior of the through groove (14); the hole inside the clamping rod (9) is larger than the diameter of the moving rod (8) so that the limit block (12) enters the through groove (14); the limit block (12) can rotate along with the moving rod (8) inside the clamping rod (9); and a plurality of groups of limit blocks (12) are provided.
6. The dry-type transformer core clamping device according to claim 5, characterized in that: A spring (7) is arranged outside the moving rod (8), one end of the spring (7) is connected to the end of the moving rod (8), and the other end is connected to the surface of the limiting ring (10), and a pull ring (6) is fixed to the end of the moving rod (8).