Mutual inductor calibrating device

Abstract

The utility model relates to the technical field of mutual inductor verification, and discloses a mutual inductor verification device which comprises a mutual inductor body, an insertion hole is formed in the front face of the mutual inductor body, two sets of fixing frames are oppositely and fixedly installed on the side edge, close to the insertion hole, of the front face, a sliding groove is formed in the side edge of each fixing frame, and a lead screw is rotationally installed in each fixing frame. An umbrella-shaped rotating wheel is fixedly installed on the peripheral face of the lead screw, an umbrella-shaped driving wheel is fixedly installed on the side edge of the umbrella-shaped rotating wheel, a rotating wheel is fixedly installed on the side edge of the umbrella-shaped driving wheel, two sets of moving blocks are oppositely installed on the peripheral face of the lead screw in a penetrating mode through threads, a moving plate is fixedly installed on the side edge of each set of moving blocks, and clamping blocks are fixedly installed at the top ends of the moving plates. The other end of the moving plate is slidably connected with the peripheral face of the sliding rod. According to the device, the screw rod drives the moving block to move to drive the moving plate to drive the clamping block to move relatively, so that the effect of fixing and clamping the plugging port connecting line is achieved, and the problem that the verification is affected due to falling in the verification process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of transformer verification, in particular to a transformer verification device. Background Art

[0002] The significance of transformer calibration is to ensure the stable operation of the power system and the accuracy of electric energy measurement. The transformer is a very important component of the power system. It can convert current and voltage values ​​into appropriate signals for various protection, control and metering systems in the power system. Transformer calibration is a method to test the performance and accuracy of the transformer and check the internal electrical insulation performance of the transformer.

[0003] After searching, it was found that Chinese patent announcement number CN219016565U discloses a transformer calibration device, which can effectively prevent liquids and other substances from falling into the socket, and the socket can remain intact. However, during the detection process, it needs to be connected through a wire, and the connection interface is prone to loosening and falling off, causing detection failure. Therefore, it is necessary to improve the existing device to meet actual needs. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a transformer calibration device, which has the advantages of driving the moving block to move by a screw rod, driving the moving plate to drive the clamping block to move relatively, thereby achieving the effect of fixing and clamping the plug interface connecting line, avoiding the problem of falling off and affecting the calibration during the calibration process, and solving the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transformer calibration device, comprising a transformer body, a socket is provided on the front of the transformer body, and a fixed frame is fixedly installed on the side of the front near the socket, a slide groove is provided on the side of the fixed frame, and a screw is rotatably installed inside, an umbrella-shaped rotating wheel is fixedly installed on the outer circumference of the screw, an umbrella-shaped driving wheel is fixedly installed on the side of the umbrella-shaped rotating wheel, a rotating wheel is fixedly installed on the side of the umbrella-shaped driving wheel, a moving block is installed through a thread on the outer circumference of the screw, a moving plate is fixedly installed on the side of the moving block, and a clamping block is fixedly installed on the top of the moving plate.

[0008] Preferably, two groups of umbrella-shaped wheels are relatively fixedly mounted on the outer peripheral surface of the screw rod, and the gear ends of the umbrella-shaped driving wheel are respectively meshed with the gear ends of the two groups of umbrella-shaped wheels.

[0009] Through the above technical solution, the rotating wheel is rotated to drive the umbrella-shaped driving wheel to rotate, the umbrella-shaped driving wheel rotates to drive the umbrella-shaped rotating wheel to rotate, and the umbrella-shaped rotating wheel drives the lead screw to rotate. This structure facilitates providing a driving effect for the lead screw.

[0010] Preferably, two groups of the fixed frames are arranged relatively to each other, and a group of screw rods are rotatably installed inside one group of the fixed frames, the threads at both ends of the screw rods are arranged in opposite directions, and two groups of moving blocks are installed on the outer circumference relative to the threads.

[0011] Through the above technical scheme, when the rotating wheel drives the umbrella-shaped driving wheel to drive the umbrella-shaped rotating wheel to rotate, the umbrella-shaped rotating wheel drives the lead screw to rotate. Since the threads at both ends of the lead screw are in opposite directions, the lead screw drives the two groups of moving blocks to move relative to each other, and the positions of the two groups of moving blocks are adjusted. At the same time, the moving blocks slide inside the slide groove, thereby maintaining the stability of the movement of the moving blocks.

[0012] Preferably, a group of moving plates are fixedly installed on the sides of each group of moving blocks, and a group of clamping blocks are fixedly installed on the tops of each group of moving plates.

[0013] Through the above technical solution, after the calibration device is plugged into the socket, the two groups of moving blocks move relative to each other, while the moving plate drives the two groups of clamping blocks to move synchronously, thereby driving the two groups of clamping blocks to move relative to each other, so that the two groups of clamping blocks clamp and fix the plug-in point to avoid the problem of loosening and falling off.

[0014] Preferably, another group of the fixed frames has a sliding rod fixedly installed inside, and the outer peripheral surface of the sliding rod is slidably connected to the inside of the other end of the movable plate.

[0015] Through the above technical solution, while the lead screw drives the moving block to drive the moving plate to move, the other end of the moving plate slides synchronously on the outer peripheral surface of the slide rod, thereby increasing the stability of the movement of the moving plate.

[0016] Compared with the prior art, the utility model provides a transformer verification device, which has the following beneficial effects:

[0017] 1. The utility model rotates the rotating wheel to make the rotating wheel drive the umbrella-shaped driving wheel to rotate, and the umbrella-shaped driving wheel drives the umbrella-shaped rotating wheel to rotate, and the umbrella-shaped rotating wheel drives the lead screw to rotate. Since the threads at both ends of the lead screw are in opposite directions, the lead screw drives the two groups of moving blocks to move relative to each other, and the positions of the two groups of moving blocks are adjusted. At the same time, the moving blocks slide inside the slide groove to maintain the stability of the movement of the moving blocks. After the calibration device is plugged into the socket, the two groups of moving blocks move relative to each other, and the moving plate drives the two groups of clamping blocks to move synchronously, thereby driving the two groups of clamping blocks to move relative to each other, so that the two groups of clamping blocks clamp and fix the plug-in position to avoid the problem of loosening and falling off.

[0018] 2. In the utility model, the moving plate is driven to move by the moving block through the screw rod, while the other end of the moving plate slides synchronously on the outer peripheral surface of the slide rod, thereby increasing the stability of the movement of the moving plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural diagram of the structural verification device of the utility model;

[0020] Figure 2 This is a front view schematic diagram of the structure verification device of the utility model;

[0021] Figure 3 It is a partial three-dimensional enlarged schematic diagram of the structure verification device of the utility model;

[0022] Figure 4 It is a three-dimensional enlarged schematic diagram of the partial interior of the structure verification device of the utility model;

[0023] Figure 5 This utility model structural verification device Figure 4 A is an enlarged schematic diagram.

[0024] Among them: 1. Transformer body; 2. Socket; 3. Fixed frame; 4. Slide groove; 5. Screw rod; 6. Umbrella-shaped rotating wheel; 7. Umbrella-shaped driving wheel; 8. Rotating wheel; 9. Moving block; 10. Moving plate; 11. Clamping block; 12. Sliding rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 A transformer calibration device comprises a transformer body 1, a socket 2 is provided on the front of the transformer body 1, and a fixing frame 3 is fixedly installed on the side of the front near the socket 2, a slide groove 4 is provided on the side of the fixing frame 3, and a screw rod 5 is rotatably installed inside, an umbrella-shaped rotating wheel 6 is fixedly installed on the outer circumference of the screw rod 5, an umbrella-shaped driving wheel 7 is fixedly installed on the side of the umbrella-shaped rotating wheel 6, a rotating wheel 8 is fixedly installed on the side of the umbrella-shaped driving wheel 7, a moving block 9 is installed through a thread on the outer circumference of the screw rod 5, a moving plate 10 is fixedly installed on the side of the moving block 9, and a clamping block 11 is fixedly installed on the top of the moving plate 10.

[0027] Specifically, two sets of umbrella-shaped wheels 6 are relatively fixedly mounted on the outer circumference of the screw rod 5, and the gear ends of the umbrella-shaped driving wheel 7 are respectively meshed with the gear ends of the two sets of umbrella-shaped wheels 6. The advantage is that the wheel 8 is rotated to drive the umbrella-shaped driving wheel 7 to rotate, the umbrella-shaped driving wheel 7 rotates to drive the umbrella-shaped wheel 6 to rotate, and the umbrella-shaped wheel 6 drives the screw rod 5 to rotate. This structure is convenient for providing a driving effect for the screw rod 5.

[0028] Specifically, two groups of fixed frames 3 are relatively arranged, and a group of screw rods 5 are rotatably installed inside one group of fixed frames 3, and the threads at both ends of the screw rods 5 are arranged in opposite directions, and two groups of moving blocks 9 are installed through the threads on the outer peripheral surface. The advantage is that when the rotating wheel 8 drives the umbrella-shaped driving wheel 7 to drive the umbrella-shaped rotating wheel 6 to rotate, the umbrella-shaped rotating wheel 6 drives the screw rod 5 to rotate. Since the threads at both ends of the screw rod 5 have opposite directions, the screw rod 5 drives the two groups of moving blocks 9 to move relatively, and the positions of the two groups of moving blocks 9 are adjusted. At the same time, the moving blocks 9 slide inside the slide groove 4, and the stability of the movement of the moving blocks 9 is maintained.

[0029] Specifically, a group of moving plates 10 are fixedly installed on the side of each group of moving blocks 9, and a group of clamping blocks 11 are fixedly installed on the top of each group of moving plates 10. The advantage is that after the calibration device is plugged into the socket, the two groups of moving blocks 9 move relative to each other, while the moving plates 10 drive the two groups of clamping blocks 11 to move synchronously, thereby driving the two groups of clamping blocks 11 to move relative to each other, so that the two groups of clamping blocks 11 clamp and fix the plug-in position to avoid the problem of loosening and falling off.

[0030] Specifically, a slide bar 12 is fixedly installed inside another set of fixed frames 3, and the outer circumference of the slide bar 12 is slidably connected to the inner side of the other end of the moving plate 10. The advantage is that when the screw rod 5 drives the moving block 9 to drive the moving plate 10 to move, the other end of the moving plate 10 slides synchronously on the outer circumference of the slide bar 12, thereby increasing the stability of the movement of the moving plate 10.

[0031] When in use, the wheel 8 is rotated to drive the umbrella-shaped driving wheel 7 to rotate, and the umbrella-shaped driving wheel 7 rotates to drive the umbrella-shaped rotating wheel 6 to rotate, and the umbrella-shaped rotating wheel 6 drives the screw rod 5 to rotate. Since the thread directions at both ends of the screw rod 5 are opposite, the screw rod 5 drives the two groups of moving blocks 9 to move relative to each other, and the positions of the two groups of moving blocks 9 are adjusted. At the same time, the moving blocks 9 slide inside the slide groove 4 to maintain the stability of the movement of the moving blocks 9. After the calibration device is plugged into the socket, the two groups of moving blocks 9 move relative to each other, and the moving plate 10 drives the two groups of clamping blocks 11 to move synchronously, thereby driving the two groups of clamping blocks 11 to move relative to each other, so that the two groups of clamping blocks 11 clamp and fix the plug-in position to avoid the problem of loosening and falling off. When the screw rod 5 drives the moving block 9 to drive the moving plate 10 to move, the other end of the moving plate 10 slides synchronously on the outer peripheral surface of the slide rod 12, thereby increasing the stability of the movement of the moving plate 10.

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

Claims

1. A transformer verification device, comprising a transformer body (1), characterized in that: The transformer body (1) is provided with a plug hole (2) on the front side, and a fixed frame (3) is fixedly installed on the side of the plug hole (2) on the front side, a sliding groove (4) is provided on the side of the fixed frame (3), and a screw rod (5) is rotatably installed inside, an umbrella-shaped rotating wheel (6) is fixedly installed on the outer peripheral surface of the screw rod (5), an umbrella-shaped driving wheel (7) is fixedly installed on the side of the umbrella-shaped rotating wheel (6), and a rotating wheel (8) is fixedly installed on the side of the umbrella-shaped driving wheel (7), a moving block (9) is installed through a thread on the outer peripheral surface of the screw rod (5), a moving plate (10) is fixedly installed on the side of the moving block (9), and a clamping block (11) is fixedly installed on the top of the moving plate (10).

2. A transformer verification device according to claim 1, characterized in that: Two sets of umbrella-shaped wheels (6) are relatively fixedly mounted on the outer peripheral surface of the screw rod (5), and the gear ends of the umbrella-shaped driving wheel (7) are respectively meshed with the gear ends of the two sets of umbrella-shaped wheels (6).

3. A transformer verification device according to claim 1, characterized in that: The fixed frames (3) are arranged in two groups relatively to each other, wherein a group of screw rods (5) are rotatably installed inside one of the fixed frames (3), the threads at both ends of the screw rods (5) are arranged in opposite directions, and two groups of moving blocks (9) are installed on the outer peripheral surface relative to the threads and penetrated.

4. A transformer verification device according to claim 1, characterized in that: A group of moving plates (10) is fixedly mounted on the side of each group of moving blocks (9), and a group of clamping blocks (11) is fixedly mounted on the top of each group of moving plates (10).

5. A transformer verification device according to claim 1, characterized in that: Another group of the fixed frames (3) is internally fixed with a sliding rod (12), and the outer peripheral surface of the sliding rod (12) is slidably connected to the inside of the other end of the movable plate (10).

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