Pull rod structure of dry-type iron core reactor

Abstract

The utility model discloses a pull rod structure of a dry-type iron core reactor, which relates to the technical field of reactors, and comprises an upper clamping piece, a lower clamping piece, a lower pressing plate channel steel, a drawing strip, an upper pressing plate channel steel, an upper iron yoke and a lower iron yoke, and the two upper clamping pieces and the two lower clamping pieces are respectively fixed on two sides of the upper iron yoke and the lower iron yoke through bolts. The upper pressing plate channel steel and the lower pressing plate channel steel are fixedly connected to the upper end face of the upper iron yoke and the lower end face of the lower iron yoke through bolts respectively, and a plurality of drawing strips are arranged on the side faces of the upper iron yoke and the lower iron yoke. A tension screw passes through gaps between drawing strips and penetrates through an electric reactor iron core column assembled by a plurality of discus, a layer of iron core column insulating cylinder is wound outside the electric reactor iron core column and the tension screw, and the tension screw is also cured in the iron core column insulating cylinder while the three-phase iron core column is cured, so that the phenomenon that the three-phase iron core column is not damaged in the long-term operation process of the electric reactor is avoided. And meanwhile, the overall structural strength of the product is enhanced, and the noise of the product is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dry-type iron-core reactors, and specifically to a pull rod structure of a dry-type iron-core reactor. Background Art

[0002] A dry-type iron-core reactor is an important power equipment, which is widely used in the power system. It is mainly used to compensate the capacitive current of the transmission line, prevent the voltage at the light-load line end from rising, maintain the voltage stability of the transmission system, improve the power factor of the power system and save energy.

[0003] In the prior art, most dry-type iron-core reactors adopt an external upper and lower pull rod structure, and the upper and lower pull rods are connected and fixed through upper and lower pull plates, which are prone to looseness during the long-term operation of the reactor, affecting the normal operation of the equipment, and the existing pull rod structure cannot effectively tighten and fix the three-phase iron-core columns of the reactor.

[0004] Based on this, a pull rod structure of a dry-type iron-core reactor is now provided, which can eliminate the drawbacks of the existing device. Content of the Utility Model

[0005] The purpose of the utility model is to provide a pull rod structure of a dry-type iron-core reactor to solve the problems in the background art.

[0006] To achieve the above purpose, the utility model provides the following technical solutions:

[0007] A pull rod structure of a dry-type iron-core reactor includes: an upper clamp, a lower clamp, a lower pressing plate channel steel, a pull-out bar, an upper pressing plate channel steel, an upper yoke, a lower yoke. The two upper clamps are respectively fixed on both sides of the upper yoke through bolts, and the two upper clamps are tightly connected through bolts. The upper pressing plate channel steel is fixedly connected to the upper end face of the upper yoke through bolts. The two lower clamps are respectively fixed on both sides of the lower yoke through bolts, and the two lower clamps are tightly connected through bolts. The lower pressing plate channel steel is fixedly connected to the lower end face of the lower yoke through bolts. A plurality of pull-out bars are arranged on the sides of the upper yoke and the lower yoke.

[0008] Based on the above technical solutions, the utility model also provides the following optional technical solutions:

[0009] In an optional solution: a reactor iron-core column is fixedly connected between the upper yoke and the lower yoke. The reactor iron-core column is composed of a plurality of iron cakes, and the iron cakes are arranged side by side in the reactor iron-core column.

[0010] In an alternative solution: Four tensioning screws are fixedly connected between the upper pressing plate channel steel and the lower pressing plate channel steel. The tensioning screws pass through the gaps between the drawing bars and pass through the reactor core column, and both ends of the tensioning screws are fixedly installed on the upper pressing plate channel steel and the lower pressing plate channel steel with bolts respectively.

[0011] In an alternative solution: An iron cake epoxy board is fixed on the side of the iron cake in the same direction as the tensioning screw. A boss epoxy board is wrapped around the reactor core column near the yoke. The reactor core column and the tensioning screw are wrapped with a core column insulating cylinder.

[0012] In an alternative solution: Two supports are fixedly connected to the lower end surface of the lower yoke with bolts.

[0013] In an alternative solution: There is a clamp epoxy board between the upper yoke and the lower yoke and the drawing bars, and the drawing bars are evenly arranged around the upper yoke and the lower yoke.

[0014] In an alternative solution: The tensioning screw is made of stainless steel or high manganese steel.

[0015] In an alternative solution: The core column insulating cylinder is made of PET material.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] In the present utility model, the tensioning screw passes through the gaps generated by the drawing bars between the upper and lower yokes and the upper and lower clamping parts and passes through the reactor core column assembled by several iron cakes. A layer of core column insulating cylinder is wrapped around the reactor core column, and the tensioning screw is also wrapped inside. While curing the three-phase core column, the tensioning screw is also cured therein, avoiding the influence on the product caused by the loosening of the tensioning screw during the long-term operation of the reactor, strengthening the overall structural strength of the product, and reducing the product noise. Description of the Drawings

[0018] Figure 1 It is an exploded structural view of the present utility model.

[0019] Figure 2 It is a left sectional view of the present utility model.

[0020] Annotation of the reference numerals in the drawings: 1. Upper clamping part, 2. Lower clamping part, 3. Lower pressing plate channel steel, 4. Drawing bar, 5. Upper pressing plate channel steel, 6. Upper yoke, 7. Lower yoke, 8. Clamp epoxy board, 9. Tensioning screw, 10. Core column insulating cylinder, 11. Support, 12. Boss epoxy board, 13. Iron cake epoxy board, 14. Iron cake. Detailed Embodiments

[0021] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0022] In one embodiment, as Figure 1 - Figure 2 shown, a pull rod structure of a dry-type iron core reactor includes an upper clamping member 1, a lower clamping member 2, a lower pressing plate channel steel 3, a pultruded bar 4, an upper pressing plate channel steel 5, an upper yoke 6, and a lower yoke 7. It is characterized in that the two upper clamping members 1 are respectively fixed on both sides of the upper yoke 6 by bolts, and the two upper clamping members 1 are tightly connected by bolts. The upper pressing plate channel steel 5 is fixedly connected to the upper end face of the upper yoke 6 by bolts. The two lower clamping members 2 are respectively fixed on both sides of the lower yoke 7 by bolts, and the two lower clamping members 2 are tightly connected by bolts. The lower pressing plate channel steel 3 is fixedly connected to the lower end face of the lower yoke 7 by bolts. A plurality of pultruded bars 4 are arranged on the sides of the upper yoke 6 and the lower yoke 7. First, the upper pressing plate channel steel 5, the lower pressing plate channel steel 3, the upper clamping member 1, and the lower clamping member 2 are respectively fastened to the upper yoke 6 and the lower yoke 7 with a number of bolts, and the two clamping members on the same level are tightly connected with bolts, so that the pressing plate, the clamping member, and the bolts form an integral body to wrap the upper and lower yokes, strengthening the overall structural strength of the product.

[0023] In this embodiment, as Figure 2 shown, a reactor iron core column is fixedly connected between the upper yoke 6 and the lower yoke 7. The reactor iron core column is composed of a plurality of iron cakes 14, and the iron cakes 14 are arranged side by side in the reactor iron core column.

[0024] In one embodiment, as Figure 1 shown, four tensioning screws 9 are fixedly connected between the upper pressing plate channel steel 5 and the lower pressing plate channel steel 3. The tensioning screws 9 pass through the gap between the pultruded bars 4 and pass through the reactor iron core column. Both ends of the tensioning screws 9 are fixedly installed on the upper pressing plate channel steel 5 and the lower pressing plate channel steel 3 with bolts, preventing the relative displacement of the reactor iron core column, ensuring the concentricity of the reactor iron core column, and the pressing plate, the clamping member, and the screw form an integral frame to wrap the upper and lower yokes and the iron core, strengthening the overall structural strength of the product.

[0025] In one embodiment, as Figure 2 shown, an iron cake epoxy board 13 is fixed on the side of the iron cake 14 in the same direction as the tensioning screw 9. A boss epoxy board 12 is wrapped around the reactor iron core column near the yoke. An iron core column insulating cylinder 10 is wrapped outside the reactor iron core column and the tensioning screw 9, increasing the insulation of the device, improving the safety of electrical equipment, and extending the service life of the equipment.

[0026] In one embodiment, as Figure 1As shown, the lower end face of the lower yoke 7 is fixedly connected to two supports 11 by bolts, and is placed at the installation position through the supports 11.

[0027] In one embodiment, as Figure 1 shown, there is a clamping piece epoxy board 8 between the upper yoke 6 and the lower yoke 7 and the draw bar 4. The draw bars 4 are evenly arranged around the upper yoke 6 and the lower yoke 7. By arranging the clamping piece epoxy board 8, the insulation of the device is increased, the safety of the electrical equipment is improved, and the draw bars 4 are evenly arranged so that the upper yoke 6 and the lower yoke 7 are evenly stressed around, and the four tensioning screws 9 are evenly arranged.

[0028] In one embodiment, as Figure 1 shown, the tensioning screw 9 is made of stainless steel or high manganese steel, and the stainless steel and high manganese steel have good hardness and strength.

[0029] In one embodiment, as Figure 1 shown, the core column insulating cylinder 10 is made of PET material, and the PET material has high strength, wear resistance, chemical stability, high temperature resistance, corrosion resistance and good electrical insulation.

[0030] The above embodiments disclose a dry-type iron core reactor tie rod structure. Among them, the upper pressing plate channel steel 5, the lower pressing plate channel steel 3, the upper clamping piece 1, and the lower clamping piece 2 are respectively fastened to the upper yoke 6 and the lower yoke 7 with a number of bolts, and the two clamping pieces on the same level are fastened and connected with bolts, so that the pressing plate, the clamping piece, and the bolts form a whole to wrap the upper and lower yokes. The two ends of the tensioning screw 9 are respectively fixedly installed on the upper pressing plate channel steel 5 and the lower pressing plate channel steel 3 with bolts. The tensioning screw 9 passes through the gap between the draw bars 4 and passes through the reactor core column to prevent the relative displacement of the reactor core column, ensure the concentricity of the reactor core column, and the upper pressing plate channel steel 5, the lower pressing plate channel steel 3, the upper clamping piece 1, the lower clamping piece 2, and the tensioning screw 9 form a whole frame to wrap the upper yoke 6, the lower yoke 7 and the reactor core column, strengthen the overall structural strength of the product, and reduce the product noise; a layer of core column insulating cylinder 10 is wrapped around the reactor core column, and the tensioning screw 9 is also wrapped therein. While the three-phase core column is solidified, the tensioning screw 9 is also solidified therein, avoiding the influence on the product caused by the loosening of the tensioning screw during the long-term operation of the reactor.

[0031] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present application, and all should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A dry-type iron core reactor pull rod structure, comprising: The upper clamp (1), the lower clamp (2), the lower pressure plate channel steel (3), the pull-out strip (4), the upper pressure plate channel steel (5), the upper iron yoke (6) and the lower iron yoke (7) are characterized in that the two upper clamps (1) are fixed to the two sides of the upper iron yoke (6) by bolts, the two upper clamps (1) are fastened by bolts, the upper pressure plate channel steel (5) is fixed to the upper end surface of the upper iron yoke (6) by bolts, the two lower clamps (2) are fixed to the two sides of the lower iron yoke (7) by bolts, the two lower clamps (2) are fastened by bolts, the lower pressure plate channel steel (3) is fixed to the lower end surface of the lower iron yoke (7) by bolts, and a plurality of pull-out strips (4) are provided on the sides of the upper iron yoke (6) and the lower iron yoke (7).

2. A dry-type iron core reactor pull rod structure according to claim 1, characterized in that: The upper iron yoke (6) and the lower iron yoke (7) are fixedly connected to a reactor core column, and the reactor core column is composed of a plurality of discus (14), and the discus (14) are arranged side by side in the reactor core column.

3. A dry-type iron core reactor pull rod structure according to claim 2, characterized in that: Four tensioning screws (9) are fixedly connected between the upper pressure plate channel steel (5) and the lower pressure plate channel steel (3); the tensioning screws (9) pass through the gaps between the pull-out bars (4) and through the reactor core column; and the two ends of the tensioning screws (9) are respectively fixedly mounted on the upper pressure plate channel steel (5) and the lower pressure plate channel steel (3) by bolts.

4. A dry-type iron core reactor pull rod structure according to claim 3, characterized in that: The discus (14) and the tensioning screw (9) are fixed with a discus epoxy plate (13) on the side in the same direction, the reactor iron core column is wrapped with a boss epoxy plate (12) near the iron yoke, and the reactor iron core column and the tensioning screw (9) are wrapped with an iron core column insulation cylinder (10).

5. A dry-type iron core reactor pull rod structure according to claim 1, characterized in that: The lower end surface of the lower iron yoke (7) is fixedly connected to two supports (11) by bolts.

6. A dry-type iron core reactor pull rod structure according to claim 1, characterized in that: A clamping epoxy plate (8) is provided between the upper iron yoke (6) and the lower iron yoke (7) and the pull-out strip (4), and the pull-out strip (4) is evenly arranged around the upper iron yoke (6) and the lower iron yoke (7).

7. A dry-type iron core reactor pull rod structure according to claim 3, characterized in that: The tightening screw (9) is made of stainless steel or high manganese steel.

8. A dry-type iron core reactor pull rod structure according to claim 4, characterized in that: The core column insulation cylinder (10) is made of PET material.

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