CN106384680A - Small multifunctional winding device for capacitor core - Google Patents

Abstract

The invention discloses a small-sized and multifunctional capacitor core winding device, which belongs to the technical field of transformer bushing manufacturing. Including: base; guide rod installation mechanism, which is installed on the base, including runners, handles, wheel frames, jaws, fastening toothed belts and cross bars. By twisting the handle, the guide rod for winding insulating paper follows The runners rotate together, and the fastening gear can protect the insulating paper from falling under the tension; the tension control mechanism is installed on the base, including the roller frame, rubber roller, and bolts to adjust the contact pressure and rotation resistance of the rubber roller; Paper reels and paper reel holders for mounting insulating paper trays. The winding device has the functions of tension control and roll paper fixing, and has the characteristics of easy operation, strong pertinence, and easy maintenance. It eliminates the disadvantage that large rolling machines are difficult to wind small models.

Description

A winding device for a small and multifunctional capacitor core

technical field

The invention belongs to the technical field of transformer bushing manufacturing, in particular to a small and multifunctional capacitor core winding device.

Background technique

Transformer oil-paper capacitor bushings are widely used in power grid systems and other power-related equipment. Its operating status directly affects the safe and reliable operation of the power system. In recent years, power accidents caused by bushing failures have occurred frequently, and bushing insulation problems have gradually become a concern in the industry. attention inside and out.

The capacitor core is the main insulating part of the bushing, and its insulation performance is the key to determine the insulation performance of the entire bushing. The structure of the capacitor core is to wrap a certain thickness of insulating paper layer on the conductive rod, and wrap aluminum foil at a specific position. At present, the rolling device for the capacitor core of the bushing is mainly used for rolling the bushing whose length exceeds 1000mm and the outer diameter of the conductive rod is more than 30mm, and there is no special small-scale equipment that can meet the winding of such a small core model. As for the small capacitor core, it is an important tool for studying the insulation problem of the UHV bushing. At present, there is an urgent need for a small and multifunctional capacitor core winding device that meets the technological requirements.

Contents of the invention

The object of the present invention is to provide a small and multifunctional capacitor core winding device, which is characterized in that the capacitor core winding device is a small manual winding device, which consists of a base, a guide rod mounting mechanism, a tension control mechanism , paper shaft and paper shaft holder,

The guide rod installation mechanism is installed on the left side of the base 1, including a runner 3, a handle 4, a wheel frame 2, a jaw 5, a fastening toothed belt 13 and a cross bar 12; wherein the two ends of the cross bar 12 are supported on the wheel frame 2 Above, the three fastening toothed belts 13 are movably sleeved on the cross bar 12 respectively, the fastening toothed belts 13 contact the guide rod 14 through the rubber tooth surface, and the adjusting bolts make the tooth surface compress on the guide rod 14 . The guide rod 14 passes through the jaw 5 in the runner 3 installed on the wheel frame 2, the handle 4 is fixed on the edge of the runner 3, and turning the handle 4 can drive the guide rod 14 to rotate;

The tension control mechanism is installed on the base 1 in the middle, two roller frames 6 are vertically fixed on the base 1, two rubber rollers 7 are close together, the two ends are supported by the roller frames 6, and the tops of the roller frames 6 each Set the adjustment bolt 8;

Both ends of the paper shaft 10 are supported on the paper shaft frame 9, and the paper shaft frame 9 is installed on the right side of the base 1; it is used for installing an insulating paper tray.

There are four rubber legs under the base.

The runners have one at both ends of the guide rod 14, a handle 4 is installed on one runner 3, and a groove for auxiliary rotation is provided on the other runner; jaws 5 are provided in the center of the two runners. , the top of the jaw 5 is a triangle, the bottom is a square, the triangle top surface is the upper clamp surface 15, and the square bottom surface is the lower clamp surface 16;

The three fastening toothed belts installed on the cross bar can move and be fixed axially along the cross bar; the contact surface of the fastening toothed belts is made of rubber material and has a relatively large friction force, so as to adjust the fastening toothed belts so that the contact surface and The guide rods are in close contact to protect the insulating paper from falling or breaking due to tension during winding, which will cause the paper roll to loosen.

The shaft center of the rubber roller is made of metal material, and the surface is bonded with rubber; the pressure between the rubber rollers is adjusted through the adjusting bolt, and elastic deformation is generated to make it compact; at the same time, the rotational resistance of the rollers is adjusted; only when the rubber roller The squeegee will only rotate when the tension generated by friction with the insulating paper is greater than the rotational resistance.

One end of the paper shaft is fixed on the paper shaft frame, and the other end can be disassembled and fastened by bolts. After the paper tray is sleeved on the paper shaft, the paper shaft is fixed.

Described on jaw 5 square base plate installation adjustment screw 17, adjustment screw 17 is connected with lower clamp surface 16, and rotation adjustment screw 17 promotes lower clamp surface 16 and moves up. The guide rod 14 is clamped and fixed under the action of the upper clamp surface 15 and the lower clamp surface 16, so as to adapt to guide rods 14 with different diameters.

The beneficial effect of the present invention is that the winding device has the functions of tension control, roll paper fixing, etc., and has the characteristics of easy operation, strong pertinence, and easy maintenance. It makes up for the shortcomings of large-scale rolling machines that are difficult to wind small models; it can conveniently and quickly produce models that meet the requirements of smooth paper layer winding, certain tightness, and size compliance. .

Description of drawings

Fig. 1 is a side view of a winding device for a small and multifunctional capacitor core.

Fig. 2 is a top view of a winding device for a small and multifunctional capacitor core.

Fig. 3 is a front view of a winding device for a small and multifunctional capacitor core.

Fig. 4 is a schematic diagram of the jaw part of the winding device for the small multifunctional capacitor core.

Among them: 1-base, 2-wheel frame, 3-runner, 4-handle, 5-jaw, 6-roller frame, 7-rubber roller, 8-adjusting bolt, 9-paper shaft frame, 10- Paper shaft, 11-insulating paper tape, 12-horizontal bar, 13-fastening toothed belt, 14-guide rod, 15-upper clamp face, 16-lower clamp face, 17-adjusting screw.

detailed description

The purpose of the present invention is to provide a small and multi-functional capacitor core winding device. The specific implementation of the present invention will be further described in detail below with reference to the drawings and examples.

FIG. 1 , FIG. 2 , and FIG. 3 are structural schematic diagrams of a winding device for a small and multifunctional capacitor core. The capacitor core winding device is a small manual winding device, which is mainly used to make small-sized capacitor core models suitable for laboratory research. It is composed of a base, a guide rod installation mechanism, a tension control mechanism, a paper shaft and a paper shaft frame. It can install and fix guide rods of different lengths and diameters within a certain range; install an insulating paper tray, and control the handle to wind the insulating paper flat and stable. On the guide rod; the winding of the insulating paper has a certain tension; the insulating paper layer can be pressed tightly to prevent it from falling and breaking under the action of tension, causing the paper roll to loosen.

As shown in Figure 1 and Figure 2, the guide rod installation mechanism is installed on the left side of the base 1, including the runner 3, the handle 4, the wheel frame 2, the jaw 5, the fastening toothed belt 13 and the cross bar 12; wherein the cross bar 12 The two ends are supported on the wheel frame 2, and the three fastening toothed belts 13 are respectively movably sleeved on the cross bar 12. The fastening toothed belts 13 are in contact with the guide rod 14 through the rubber tooth surface, and the adjusting bolts make the tooth surface pressed against the guide rod. 14 on. Fastened by bolts, so the position of pressing the insulating paper 11 can be freely adjusted. Both ends of the paper shaft 10 are supported on the paper shaft frame 9, and the paper shaft frame 9 is installed on the right side of the base 1; it is used to install an insulating paper tray, one end of the paper shaft is fixed on the paper shaft frame, and the other end can be disassembled and fastened by bolts , After putting the paper tray on the paper shaft, fix the paper shaft. The three fastening toothed belts 13 installed on the cross bar 12 can move axially along the cross bar and be fixed; the contact surface of the fastening toothed belts is made of rubber material and has a large friction force, so as to adjust the fastening toothed belts so that the contact surface and The guide rods are in close contact to protect the insulating paper from falling or breaking due to tension during winding, which will cause the paper roll to loosen. When winding, first glue the insulating paper head on the guide rod 14, adjust to a suitable position and press the fastening toothed belt 13 on the guide rod 14 and the insulating paper 11, and then turn the handle 4, due to the rubber surface and the guide rod 14 1. There is pressure between the insulating paper 11. When there is a sliding tendency, the guide rod 14 and the insulating paper 11 will drive the tooth surface to roll under the action of friction, and will not slide in the opposite direction, so that the purpose of pressing the insulating paper layer can be achieved. Guide rod 14 passes in the jaw 5 in the runner 3 that is installed on the wheel frame 2, and handle 4 is fixed on the edge of runner 3, and turning handle 4 can drive guide rod 14 to rotate; There is one at each end, a handle 4 is installed on one runner 3, and a groove for auxiliary rotation is provided on the other runner; jaws 5 are arranged in the center of the two runners, the upper part of the jaws 5 is triangular, and the lower part is triangular. It is square, and the triangular top surface is the upper clamp surface 15, and the lower clamp surface 16 that can slide up and down is set on the square bottom surface; horizontal lines are set on the upper clamp surface 15 and the lower clamp surface 16; An adjustment screw 17 is connected with the lower clamp surface 16 (as shown in FIG. 4 ). Rotating the adjusting screw 17 promotes the lower jaw surface 16 to move up. The guide rod 14 is clamped and fixed under the action of the upper clamp surface 15 and the lower clamp surface 16, so as to adapt to guide rods 14 with different diameters.

The tension control mechanism is installed on the base 1 in the middle, two roller frames 6 are vertically fixed on the base 1, two rubber rollers 7 are close together, the two ends are supported by the roller frames 6, and the tops of the roller frames 6 each An adjusting bolt 8 is provided; the distance between the axes of the rollers 7 can be adjusted through the adjusting bolts 8, that is, the two rollers can be clamped. The adjusting bolt 8 can also adjust the rotation resistance of the roller 7 at the same time. Pass the insulating paper 11 through the gap between the rollers 7, and then operate the adjusting bolt 8 so that there is a certain pressure and rotation resistance between the rollers. The pressure determines the static friction force between the insulating paper 11 and the roller 7, and the rotational resistance determines the tension of the paper. When the handle 4 is turned, the static friction force is greater than the rotation resistance so that the winding of the insulating paper 11 has a certain tension.

There are four rubber legs (as shown in Figure 1 and Figure 3) below the base.

The shaft center of the rubber roller is made of metal material, and the surface is bonded with rubber; the pressure between the rubber rollers is adjusted through the adjusting bolt, and elastic deformation is generated to make it compact; at the same time, the rotational resistance of the rollers is adjusted; only when the rubber roller The squeegee will only rotate when the tension generated by friction with the insulating paper is greater than the rotational resistance.

Claims (6)

1. A small and multifunctional capacitor core winding device, characterized in that, the capacitor core winding device is a small manual winding device consisting of a base, a guide rod mounting mechanism, a tension control mechanism, a paper shaft and Composition of paper shaft frame; Described guide rod installation mechanism is installed on the left side of base (1), comprises running wheel (3), handle (4), wheel frame (2), jaw (5), fastening toothed belt (13) and cross bar ( 12); wherein the two ends of the crossbar (12) are supported on the wheel frame (2), and the three fastening toothed belts (13) are movably sleeved on the crossbar (12) respectively, and the fastening toothed belts (13) pass through the rubber teeth The surface is in contact with the guide rod (14), and the adjusting bolt makes the tooth surface be pressed against the guide rod (14), and the guide rod (14) passes through the jaws (5) in the runner (3) installed on the wheel frame (2 ), the handle (4) is fixed on the edge of the runner (3), and turning the handle (4) can drive the guide rod (14) to rotate; The tension control mechanism is installed on the base (1) in the middle, two roller frames (6) are vertically fixed on the base (1), two rubber rollers (7) are close together, and the two ends are formed by the roller frames ( 6) support, the top of the roller frame (6) is provided with adjusting bolts (8); Both ends of the paper shaft (10) are supported on the paper shaft frame (9), and the paper shaft frame (9) is installed on the right side of the base (1); it is used for installing an insulating paper tray; There are four rubber legs under the base. 2. according to claim 1, a kind of small-sized and multifunctional capacitor core winding device is characterized in that, said runners respectively have one at the two ends of guide rod (14), and on a runner (3) A handle (4) is installed, and a groove for auxiliary rotation is provided on the other runner; jaws (5) are arranged in the center of the two runners, the upper part of the jaws (5) is triangular, the lower part is square, and the triangular top The surface is an upper clamp surface (15), and a lower clamp surface (16) is arranged above the square bottom surface; horizontal grains are set on the upper clamp surface (15) and the lower clamp surface (16). 3. A small and multifunctional capacitor core winding device according to claim 1, characterized in that, the three fastening toothed belts installed on the cross bar can move axially along the cross bar and be fixed; The contact surface of the toothed belt is made of rubber material, which has a relatively large friction force, so as to adjust and fasten the toothed belt so that the contact surface is in close contact with the guide rod, so as to protect the insulating paper from falling or breaking due to tension during winding, which will cause the paper roll to loosen. 4. according to claim 1, a kind of small-sized multifunctional capacitor core winding device is characterized in that, the axle center of described squeegee is metal material, and rubber is bonded on the surface; At the same time, adjust the rotation resistance of the roller; only when the tension generated by the friction between the rubber roller and the insulating paper is greater than the rotation resistance, the rubber roller will rotate. 5. A small and multi-functional capacitor core winding device according to claim 1, wherein one end of the paper shaft is fixed on the paper shaft frame, and the other end can be disassembled and fastened by bolts, so that the paper shaft After the disc is set on the paper shaft, the paper shaft is fixed. 6. according to claim 2 said a kind of small-sized multi-functional capacitor core winding device, it is characterized in that, described on the square bottom plate of jaw, adjusting screw (17) is installed, adjusting screw (17) and lower jaw surface (16) connection, rotate the adjusting screw (17) to push the lower clamp surface (16) to move upward, and the guide rod (14) is clamped and fixed under the action of the upper clamp surface (15) and the lower clamp surface (16) to adapt to different diameter guide rod (14).