Clamp structure for mutual inductor machining

Abstract

The utility model relates to the technical field of mutual inductor processing clamps, and discloses a mutual inductor processing clamp structure which comprises a base, a structural plate body is fixedly installed on the top of the base, three sliding grooves are formed in one side of the structural plate body, and the three sliding grooves are distributed in a center radial mode. Three sliding grooves are formed in the middle of the structural plate body, a circular inner cavity communicated with the three sliding grooves is formed in the middle of the structural plate body, three sliding strips are arranged in the circular inner cavity and are aligned with the three sliding grooves correspondingly, inverted-T-shaped sliding blocks are installed in the three sliding grooves correspondingly, one ends of the three inverted-T-shaped sliding blocks are located and connected with the three sliding strips correspondingly, and the other ends of the three inverted-T-shaped sliding blocks are connected with the three sliding strips correspondingly. Clamping wheels are fixedly installed at the ends, located on one side of the structural plate body, of the three inverted-T-shaped sliding blocks, and a rotating shaft is rotationally connected to the middle of one side of the circular inner cavity. According to the clamp structure for machining the mutual inductor, adjustment operation can be stably and effectively carried out, so that the clamp can meet the use requirements of machining, clamping and fixing of current transformer coils of different specifications, and the application range of the clamp is effectively widened.

Description

Technical Field

[0001] The utility model belongs to the technical field of mutual inductor processing jigs, and particularly relates to a jig structure for mutual inductor processing. Background Art

[0002] A mutual inductor, also known as an instrument transformer, is a general term for current transformers and voltage transformers. It can convert high voltage into low voltage and large current into small current for measurement or protection systems. When processing the coil of a current transformer, clamping equipment is required to fix the coil, facilitating subsequent coil processing operations. However, the structure of traditional clamping equipment for current transformer coil processing is fixed and cannot clamp and fix current transformer coils of different specifications, reducing the applicable range of the clamping equipment and being unfavorable for the processing and production of mutual inductors. Therefore, in view of the above problems, a jig structure for mutual inductor processing is now needed to solve the above problems. Summary of the Utility Model

[0003] To achieve the above object, the utility model provides the following technical solution: A jig structure for mutual inductor processing, including a base. A structural plate body is fixedly installed on the top of the base. Three sliding grooves are opened on one side of the structural plate body, and the three sliding grooves are distributed in a central radial pattern. A circular inner cavity communicating with the three sliding grooves is opened in the middle of the structural plate body. Three sliding bars are arranged inside the circular inner cavity, and the three sliding bars are respectively aligned with the three sliding grooves. Inverted T-shaped sliders are installed inside the three sliding grooves, and one ends of the three inverted T-shaped sliders are respectively connected to the three sliding bars. Clamping wheels are fixedly installed at the ends of the three inverted T-shaped sliders located on one side of the structural plate body. A rotating shaft is rotatably connected to the middle of one side of the circular inner cavity, and the end of the rotating shaft is connected to one end of the three sliding bars.

[0004] Preferably, a rotating gear ring is movably installed on one side inside the circular inner cavity. Three tooth columns are rotatably connected to one side inside the circular inner cavity, and the three tooth columns are distributed in a central radial pattern. First gears are fixedly connected to one ends of the three tooth columns close to the rotating gear ring, and the three first gears are meshed with the rotating gear ring. A first forward and reverse motor is installed on the top of the structural plate body, and the output end of the first forward and reverse motor extends into the circular inner cavity and is fixedly connected to the axis of one of the first gears, so as to effectively rotate and adjust the three tooth columns.

[0005] Preferably, one side of the three sliding bars close to the chute is in sliding contact with the other side inside the circular inner cavity, and adjustment grooves are provided in the middle of one side of the three sliding bars close to the chute. Threaded shafts are rotatably connected inside the adjustment grooves. One ends of the inverted T-shaped sliders are threadedly connected to the three threaded shafts respectively, and one ends of the three threaded shafts extend into the circular inner cavity and are fixedly connected with second gears respectively. The three second gears are meshed with the three tooth columns respectively, so as to effectively adjust the inverted T-shaped slider and the clamping wheel to meet the use requirements of current transformer coils of different specifications.

[0006] Preferably, three transmission bars are fixedly connected to one end of the rotating shaft at equal intervals in a circular shape. One ends of the three transmission bars are rotatably connected with connecting curved bars respectively. One ends of the three connecting curved bars are rotatably connected to one ends of the three sliding bars respectively. A second forward and reverse motor is installed on the other side of the structural plate body. The output end of the second forward and reverse motor is fixedly connected to the other end of the rotating shaft, so as to effectively clamp and fix the current transformer coil.

[0007] Compared with the prior art, the beneficial effects of the present utility model are as follows: By providing a base, a structural plate body, a chute, a circular inner cavity, a sliding bar, an inverted T-shaped slider, a clamping wheel and a rotating shaft, the fixture structure for processing the current transformer can stably and effectively perform adjustment operations, so that the fixture can meet the use requirements of clamping and fixing current transformer coils of different specifications, effectively improving the applicable range of the fixture. At the same time, the fixture structure is simple in design, convenient to use and operate, and the clamping and fixing is stable and reliable. Its practicability and performance can meet the use requirements of current transformer processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. They are used together with the embodiments of the present utility model to explain the present utility model, and do not constitute a limitation to the present utility model.

[0009] In the drawings:

[0010] Figure 1 is a front view structural schematic diagram of the fixture structure for processing the current transformer of the present utility model;

[0011] Figure 2 is a rear view structural schematic diagram of the fixture structure for processing the current transformer of the present utility model;

[0012] Figure 3 is a sectional view structural schematic diagram of the fixture structure for processing the current transformer of the present utility model;

[0013] Figure 4 is for the present utility model Figure 3 partial structural schematic diagram;

[0014] In the figure: 1, base; 2, structural plate body; 3, chute; 4, circular inner cavity; 5, sliding bar; 6, inverted T-shaped slider; 7, clamping wheel; 8, rotating shaft; 9, transmission bar; 10, connecting curved bar; 11, rotating gear ring; 12, tooth column; 13, first gear; 14, first forward and reverse motor; 15, adjustment groove; 16, threaded shaft; 17, second gear; 18, second forward and reverse motor. Detailed implementation manner

[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0016] From Figures 1 to 4Given that, the utility model includes a base 1, a structural plate body 2 is fixedly installed on the top of the base 1, three chutes 3 are opened on one side of the structural plate body 2, and the three chutes 3 are distributed in a central radial pattern. A circular inner cavity 4 communicating with the three chutes 3 is opened in the middle of the structural plate body 2. Three sliding bars 5 are arranged inside the circular inner cavity 4, and the three sliding bars 5 are respectively aligned with the three chutes 3. Inverted T-shaped sliders 6 are installed inside the three chutes 3. One ends of the three inverted T-shaped sliders 6 are respectively connected to the three sliding bars 5. Clamping wheels 7 are fixedly installed at the ends of the three inverted T-shaped sliders 6 located on one side of the structural plate body 2. A rotating shaft 8 is rotatably connected to the middle of one side of the circular inner cavity 4, and the end of the rotating shaft 8 is connected to one end of the three sliding bars 5; A rotating gear ring 11 is movably installed on one side inside the circular inner cavity 4. Three tooth columns 12 are rotatably connected to one side inside the circular inner cavity 4, and the three tooth columns 12 are distributed in a central radial pattern. A first gear 13 is fixedly connected to one end of each of the three tooth columns 12 close to the rotating gear ring 11, and the three first gears 13 are all meshed with the rotating gear ring 11. A first forward and reverse motor 14 is installed on the top of the structural plate body 2. The output end of the first forward and reverse motor 14 extends into the circular inner cavity 4 and is fixedly connected to the center of one of the first gears 13, so as to effectively rotate and adjust the three tooth columns 12; One side of the three sliding bars 5 close to the chutes 3 is in sliding contact with the other side inside the circular inner cavity 4, and adjustment grooves 15 are opened in the middle of one side of the three sliding bars 5 close to the chutes 3. Threaded shafts 16 are rotatably connected inside the adjustment grooves 15. One ends of the inverted T-shaped sliders 6 are respectively threadedly connected to the three threaded shafts 16, and one ends of the three threaded shafts 16 all extend into the circular inner cavity 4 and are fixedly connected to second gears 17, and the three second gears 17 are respectively meshed with the three tooth columns 12, so as to effectively adjust the inverted T-shaped sliders 6 and the clamping wheels 7 to meet the use requirements of current transformer coils of different specifications;

[0017] By starting the first forward and reverse motor 14, it drives one of the first gears 13 to rotate. The rotation of one of the first gears 13 drives the rotating gear ring 11 to rotate. The rotation of the rotating gear ring 11 drives the other two first gears 13 to rotate. The rotation of the three first gears 13 synchronously drives the three tooth columns 12 to rotate synchronously. The rotation of the three tooth columns 12 drives the three second gears 17 to rotate. The rotation of the three second gears 17 drives the three threaded shafts 16 to rotate. The rotation of the three threaded shafts 16 makes the three inverted T-shaped sliders 6 and the three clamping wheels 7 move synchronously, so that the three clamping wheels 7 move synchronously relatively or away from each other, so that the three clamping wheels 7 can be adjusted for current transformer coils of different specifications to meet their use.

[0018] One end of the rotating shaft 8 is fixedly connected with three transmission bars 9 at equal intervals in a ring shape. One end of each of the three transmission bars 9 is rotatably connected with a connecting curved rod 10. One end of each of the three connecting curved rods 10 is respectively rotatably connected with one end of the three sliding bars 5. A second forward and reverse motor 18 is installed on the other side of the structural plate body 2. The output end of the second forward and reverse motor 18 is fixedly connected with the other end of the rotating shaft 8, so as to effectively clamp and fix the current transformer coil.

[0019] Move the three inverted T-shaped sliders 6 and the three clamping wheels 7 to the end portions close to each other of the three sliding grooves 3 through the three sliding bars 5. Then place the current transformer coil on one side of the structural plate body 2, so that the three clamping wheels 7 are located inside the current transformer coil. Then start the second forward and reverse motor 18 to drive the rotating shaft 8 and the three transmission bars 9 to rotate. The rotation of the three transmission bars 9 will drive the three connecting curved rods 10 to rotate and move. The movement of the three connecting curved rods 10 will push the three sliding bars 5 to move. The movement of the three sliding bars 5 will drive the three second gears 17 to move on the surfaces of the three threaded shafts 16. At the same time, the movement of the three sliding bars 5 will drive the three inverted T-shaped sliders 6 and the three clamping wheels 7 to move, and finally the three clamping wheels 7 will abut against the inside of the current transformer coil to play a role in clamping and fixing.

[0020] The fixture structure for transformer processing can stably and effectively perform adjustment operations, so that the fixture can meet the use requirements of clamping and fixing current transformer coils with different specifications, effectively improving the applicable range of the fixture. At the same time, the fixture structure is simply designed, convenient to use and operate, and the clamping and fixing is stable and reliable. Its practicability and performance can meet the use requirements of transformer processing.

Claims

1. A fixture structure for processing mutual inductors, comprising a base (1), characterized in that: A structural plate body (2) is fixedly installed at the top of the base (1). Three sliding grooves (3) are formed on one side of the structural plate body (2). The three sliding grooves (3) are radially distributed around the center. A circular inner cavity (4) communicating with the three sliding grooves (3) is formed in the middle of the structural plate body (2). Three sliding bars (5) are arranged inside the circular inner cavity (4). The three sliding bars (5) are respectively aligned with the three sliding grooves (3). Inverted T-shaped sliders (6) are installed inside the three sliding grooves (3). One ends of the three inverted T-shaped sliders (6) are respectively connected to the three sliding bars (5). Clamping wheels (7) are fixedly installed at the ends of the three inverted T-shaped sliders (6) located on one side of the structural plate body (2). A rotating shaft (8) is rotatably connected to the middle of one side of the circular inner cavity (4). One ends of the rotating shaft (8) are respectively connected to one ends of the three sliding bars (5).

2. The fixture structure for the processing of an instrument transformer according to claim 1, wherein: A rotating gear ring (11) is movably installed on one side inside the circular inner cavity (4). Three tooth columns (12) are rotatably connected to one side inside the circular inner cavity (4). The three tooth columns (12) are radially distributed around the center. First gears (13) are fixedly connected to one ends of the three tooth columns (12) close to the rotating gear ring (11). The three first gears (13) are meshed and connected with the rotating gear ring (11). A first forward and reverse motor (14) is installed on the top of the structural plate body (2). The output end of the first forward and reverse motor (14) extends into the circular inner cavity (4) and is fixedly connected to the center of one of the first gears (13).

3. The fixture structure for processing a mutual inductor according to claim 2, wherein: One sides of the three sliding bars (5) close to the sliding grooves (3) are in sliding contact with the other side inside the circular inner cavity (4). Adjusting grooves (15) are formed in the middle of one sides of the three sliding bars (5) close to the sliding grooves (3). Threaded shafts (16) are rotatably connected inside the adjusting grooves (15). One ends of the inverted T-shaped sliders (6) are respectively threadedly connected to the three threaded shafts (16). One ends of the three threaded shafts (16) extend into the circular inner cavity (4) and are fixedly connected with second gears (17). The three second gears (17) are respectively meshed and connected with the three tooth columns (12).

4. A fixture structure for the processing of an instrument transformer according to claim 1, characterized in that: Three transmission bars (9) are fixedly connected to one end of the rotating shaft (8) at equal intervals in the circumferential direction. One ends of the three transmission bars (9) are rotatably connected with connecting curved rods (10). One ends of the three connecting curved rods (10) are respectively rotatably connected to one ends of the three sliding bars (5). A second forward and reverse motor (18) is installed on the other side of the structural plate body (2). The output end of the second forward and reverse motor (18) is fixedly connected to the other end of the rotating shaft (8).

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