Fixing device for magnetic performance test of transformer iron core
By using a drive motor and transmission components to move eight positioning rods to position the transformer core on four sides, the problem of poor stability caused by the limited number of fixed points in existing devices is solved. This achieves stable fixation of the core during the testing process and improves the accuracy of the test results.
Patent Information
- Application Number
- CN202520146336.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The existing transformer core testing and fixing device adopts a side-clamping method, which has few fixing points, resulting in poor positioning stability and easy core slippage, thus affecting the accuracy of test results.
A drive motor drives the transmission components, and eight positioning rods are used to position the transformer core on four sides. The active bevel gear and threaded rod structure realize multi-point clamping. Combined with the design of rollers and springs, the stable movement and reset of the positioning rods are ensured.
This achieves four-sided positioning of the iron core, increases positioning stability, ensures the iron core remains stable during testing, prevents slippage, and improves the accuracy of test results.
Smart Images
Figure CN223815387U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to fixed device technical field, specifically is a kind of transformer core magnetic property test fixed device. BACKGROUND
[0002] Transformer core is the core component of transformer, responsible for providing magnetic circuit.The magnetic property of core directly affects the efficiency and performance of transformer;Transformer core magnetic property test fixed device is a kind of equipment specially used for fixing transformer core to enable it to detect magnetic property stably;The device should be able to firmly fix transformer core to ensure that the position of core is stable during testing, and will not affect the accuracy of test results due to vibration or movement;Existing transformer core test fixed device usually adopts the way of opposite side clamping to fix, and the fixing point of opposite side clamping is less, and the stability of positioning is poor, which can easily lead to the transformer core slipping from the other two sides, and the fixing effect is poor. CONTENT OF UTILITY MODEL
[0003] In view of the above situation, to overcome the defects of prior art, the utility model provides a kind of transformer core magnetic property test fixed device, effectively solve the problem that existing transformer core test fixed device usually adopts the way of opposite side clamping to fix, and the fixing point of opposite side clamping is less, and the stability of positioning is poor.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of transformer core magnetic property test fixed device, including workbench, the bottom four corners of workbench are fixedly installed with support leg, and the side of workbench is fixedly installed with frame, and the middle part of the top of workbench is equipped with core body, and the four sides of core body are respectively provided with two positioning rods, and the middle part below workbench is equipped with support plate, and the top four corners of support plate are fixedly connected with the bottom of workbench by support rod, and the middle part of the top of support plate is fixedly installed with drive motor, and the output end of drive motor is equipped with transmission assembly, and transmission assembly is transmission connection with eight positioning rods, and drive motor is powered to eight positioning rods by transmission assembly when operating, so that eight positioning rods are clamped and positioned well to the four sides of core body.
[0005] Preferably, the transmission assembly includes driving bevel gear, the driving bevel gear is fixedly installed on the output end of the drive motor, the surface of the driving bevel gear is meshed with the driven bevel gear on one side, the middle part of the driven bevel gear is fixedly installed with the shaft, the surface of the shaft is rotatably installed with two shaft sleeves, the upper part of the two shaft sleeves is fixedly connected with the bottom of the workbench by the fixed rod, the two ends of the shaft are fixedly installed with threaded rods, the screw thread directions of the two threaded rods are opposite, the ends of the two threaded rods away from each other are rotatably installed with positioning frames, and the top of the positioning frame is fixedly connected with the bottom of the workbench.
[0006] Preferably, the surfaces of the threaded rods are threadedly connected with threaded sleeves, the bottoms of the threaded sleeves are fixedly installed with limiting sleeves, the interiors of the limiting sleeves are inserted with limiting rods, the sides away from each other of the two limiting rods are fixedly connected with the two positioning frames respectively, the tops of the threaded sleeves are fixedly installed with connecting frames, and the sides of the two connecting frames are fixedly installed with pushing strips.
[0007] Preferably, the surfaces of the pushing strips are tightly attached with rollers, the surfaces of the rollers are rotatably installed with rotating frames, the tops of the rotating frames are fixedly installed with connecting strips, the upper sides of the two connecting strips are fixedly installed with two sliding sleeves, the interiors of the sliding sleeves are inserted with sliding rods, the two ends of the four sliding rods are fixedly connected with the bottom of the workbench through positioning seats, the surfaces of the four sliding rods are sleeved with springs, the two ends of the four springs are fixedly connected with the positioning seats and the sliding sleeves respectively, and the two ends of the two connecting strips and the two connecting frames are fixedly connected with the bottoms of the eight positioning rods.
[0008] Compared with the prior art, the transformer core magnetic property test fixing device has the following beneficial effects: when in use, the operator places the iron core body on the top of the workbench, and then the operator starts the driving motor to drive the driving bevel gear to rotate, the driving bevel gear drives the shaft rod to rotate in the interiors of the two shaft sleeves through the driven bevel gear, the shaft rod drives the two threaded rods to rotate along the two positioning frames when rotating, the two threaded rods drive the two threaded sleeves to move towards each other when rotating, the two threaded sleeves drive the limiting sleeves to slide along the surfaces of the limiting rods when moving, and the stability of the two threaded sleeves when moving is increased;
[0009] The two threaded sleeves drive the two connecting frames to move towards each other when moving towards each other, the two threaded sleeves drive the two rollers to move towards each other through the two pushing strips when moving towards each other, the two rollers drive the two connecting strips to move towards each other through the two rotating frames when moving towards each other, the two connecting strips drive the sliding sleeves to slide along the surfaces of the sliding rods when moving, and the springs are simultaneously extruded when moving, so that the two connecting strips have the elastic reset effect while the stability of the two connecting strips when moving is ensured, and the eight positioning rods position the four sides of the iron core body when the two connecting strips and the two connecting frames move towards each other, so that the transformer core test fixing device can position the four sides of the iron core, the fixed points of clamping are more, and the stability of positioning is increased. BRIEF DESCRIPTION OF DRAWINGS
[0010] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of this specification, illustrate the present application and explain the principles of the present application, and do not constitute a limitation of the present application.
[0011] In the drawings:
[0012] Figure 1 It is a structural schematic view of the transformer core magnetic property test fixing device.
[0013] Figure 2 For the transmission assembly structure of the utility model Figure One ;
[0014] Figure 3 For the transmission assembly structure of the utility model Figure Two ;
[0015] Figure 4 For the transmission assembly structure of the utility model Figure Three ;
[0016] Figure 5 For the core body structure of the utility model is schematic view;
[0017] In the figure: 1, workbench;2, support leg;3, frame;4, core body;5, positioning rod;6, support plate;7, support rod;8, drive motor;9, driving bevel gear;10, driven bevel gear;11, shaft sleeve;12, fixed rod;13, shaft;14, threaded rod;15, positioning frame;16, limit sleeve;17, limit rod;18, threaded sleeve;19, connecting frame;20, push strip;21, roller;22, rotating frame;23, connecting strip;24, sliding sleeve;25, sliding rod;26, spring;27, positioning seat. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0019] By Figures 1 to 5 The utility model discloses a workbench 1 is provided with support leg 2 on the bottom four corners, and frame 3 is fixedly installed on one side of workbench 1, and the middle part of the top of workbench 1 is equipped with core body 4, and two positioning rods 5 are arranged on the four sides of core body 4 respectively, and the middle part below workbench 1 is equipped with support plate 6, and the top four corners of support plate 6 are fixedly connected with the bottom of workbench 1 through support rod 7, and drive motor 8 is fixedly installed on the middle part of the top of support plate 6, and the output end of drive motor 8 is equipped with transmission assembly, and transmission assembly is transmission connection with eight positioning rods 5, and when drive motor 8 operates, power is output to eight positioning rods 5 through transmission assembly, so that four sides of core body 4 are clamped and positioned well by eight positioning rods 5.
[0020] In use, the operator places the iron core body 4 on the top of the workbench 1, and then the operator starts the driving motor 8 to drive the transmission assembly to operate, and the transmission assembly operates to drive the eight positioning rods 5 to position the four sides of the iron core body 4; so that the transformer core test fixing device can position the iron core on four sides, and the fixing points are more, and the stability of positioning is increased.
[0021] The transmission assembly comprises a driving bevel gear 9 fixedly installed at the output end of the driving motor 8, and a driven bevel gear 10 meshingly connected to one side of the surface of the driving bevel gear 9. The driven bevel gear 10 is fixedly installed at the middle portion of a shaft rod 13, and the surface of the shaft rod 13 is rotatably installed with two shaft sleeves 11. The upper portions of the two shaft sleeves 11 are fixedly connected with the bottom of the workbench 1 through fixed rods 12. The two ends of the shaft rod 13 are fixedly installed with threaded rods 14, and the threaded directions of the two threaded rods 14 are opposite. The ends of the two threaded rods 14 away from each other are rotatably installed with positioning frames 15, and the top portions of the positioning frames 15 are fixedly connected with the bottom of the workbench 1.
[0022] The operator starts the driving motor 8 to drive the driving bevel gear 9 to rotate, and the driving bevel gear 9 drives the shaft rod 13 to rotate in the two shaft sleeves 11 through the driven bevel gear 10. When the shaft rod 13 rotates, the two threaded rods 14 are driven to rotate along the two positioning frames 15.
[0023] The surfaces of the threaded rods 14 are threadedly connected with threaded sleeves 18, and the bottoms of the threaded sleeves 18 are fixedly installed with limiting sleeves 16. The limiting sleeves 16 are inserted with limiting rods 17, and the sides of the two limiting rods 17 away from each other are fixedly connected with the two positioning frames 15. The top portions of the threaded sleeves 18 are fixedly installed with connecting frames 19, and one side of the two connecting frames 19 is fixedly installed with pushing strips 20.
[0024] When the two threaded rods 14 rotate, the two threaded sleeves 18 move towards each other, and when the two threaded sleeves 18 move, the limiting sleeves 16 slide along the surfaces of the limiting rods 17, thereby increasing the stability of the movement of the two threaded sleeves 18. When the two threaded sleeves 18 move towards each other, the two connecting frames 19 move towards each other, and when the two threaded sleeves 18 move towards each other, the two pushing strips 20 move.
[0025] The side surface of the pushing strip 20 is tightly attached with the roller 21, the surface of the roller 21 is rotationally installed with the rotating frame 22, the top of the rotating frame 22 is fixedly installed with the connecting strip 23, the upper side of the two connecting strips 23 is fixedly installed with the two sliding sleeves 24, the inside of the sliding sleeve 24 is inserted with the sliding rod 25, the two ends of the four sliding rods 25 are fixedly connected with the bottom of the workbench 1 through the positioning seat 27, the surface of the four sliding rods 25 is sleeved with the spring 26, the two ends of the four springs 26 are fixedly connected with the positioning seat 27 and the sliding sleeve 24 respectively, the two ends of the two connecting strips 23 and the two connecting frames 19 are fixedly connected with the bottom of the eight positioning rods 5 respectively.
[0026] When the two pushing strips 20 move, the two rollers 21 are pushed to move towards each other, when the two rollers 21 move towards each other, the two connecting strips 23 are driven to move towards each other through the two rotating frames 22, when the two connecting strips 23 move, the sliding sleeves 24 are driven to slide along the surface of the sliding rod 25, and the springs 26 are pressed at the same time, so that the two connecting strips 23 have the elastic reset effect while ensuring the stability of the movement of the two connecting strips 23, when the two connecting strips 23 and the two connecting frames 19 move towards each other, the eight positioning rods 5 are driven to position the four sides of the iron core body 4.
Claims
1. A transformer core magnetic property test fixing device, comprising a workbench (1), characterized in that: The bottom four corners of the workbench (1) are fixedly provided with supporting legs (2), one side of the workbench (1) is fixedly provided with a frame (3), the middle of the top of the workbench (1) is provided with an iron core body (4), the four sides of the iron core body (4) are respectively provided with two positioning rods (5), the middle of the lower part of the workbench (1) is provided with a supporting plate (6), the top four corners of the supporting plate (6) are fixedly connected with the bottom of the workbench (1) through supporting rods (7), the middle of the top of the supporting plate (6) is fixedly provided with a driving motor (8), the output end of the driving motor (8) is provided with a transmission assembly, the transmission assembly is drivingly connected with the eight positioning rods (5), and the driving motor (8) outputs power to the eight positioning rods (5) through the transmission assembly when the driving motor (8) operates, so that the eight positioning rods (5) clamp and position the four sides of the iron core body (4).
2. The transformer core magnetic property test fixture of claim 1, wherein: The transmission assembly comprises a driving bevel gear (9), the driving bevel gear (9) is fixedly installed on the output end of the driving motor (8), a driven bevel gear (10) is meshedly connected to one side of the surface of the driving bevel gear (9), a shaft rod (13) is fixedly installed on the middle of the driven bevel gear (10), two shaft sleeves (11) are rotatably installed on the surface of the shaft rod (13), the upper parts of the two shaft sleeves (11) are fixedly connected with the bottom of the workbench (1) through fixing rods (12), threaded rods (14) are fixedly installed at the two ends of the shaft rod (13), the threaded directions of the two threaded rods (14) are opposite, positioning frames (15) are rotatably installed at the ends of the two threaded rods (14) away from each other, and the tops of the positioning frames (15) are fixedly connected with the bottom of the workbench (1).
3. The transformer core magnetic property test fixture of claim 2, wherein: The surfaces of the threaded rods (14) are threadedly connected with threaded sleeves (18), the bottoms of the threaded sleeves (18) are fixedly installed with limiting sleeves (16), the interiors of the limiting sleeves (16) are inserted with limiting rods (17), one sides of the two limiting rods (17) away from each other are fixedly connected with the two positioning frames (15), the tops of the threaded sleeves (18) are fixedly installed with connecting frames (19), and one sides of the two connecting frames (19) are fixedly installed with pushing strips (20).
4. The transformer core magnetic property test fixture of claim 3, wherein: The surfaces of the pushing strips (20) are tightly attached with rollers (21), the surfaces of the rollers (21) are rotatably installed with rotating frames (22), the tops of the rotating frames (22) are fixedly installed with connecting strips (23), the upper sides of the two connecting strips (23) are fixedly installed with two sliding sleeves (24), the interiors of the sliding sleeves (24) are inserted with sliding rods (25), the two ends of the four sliding rods (25) are fixedly connected with the bottom of the workbench (1) through positioning seats (27), the surfaces of the four sliding rods (25) are sleeved with springs (26), the two ends of the four springs (26) are respectively fixedly connected with the positioning seats (27) and the sliding sleeves (24), and the two ends of the tops of the two connecting strips (23) and the two connecting frames (19) are respectively fixedly connected with the bottom of the eight positioning rods (5).