Electric power fitting voltage-sharing shielding ring

Abstract

The invention discloses an electric power fitting voltage-sharing shielding ring, and relates to the technical field of electric power fitting tool equipment, the electric power fitting voltage-sharing shielding ring comprises a support and a ring body, and a limiting assembly is arranged between the support and the ring body; the support comprises a limiting ring and a supporting rod. One end of the supporting rod is rotationally connected with the limiting ring, the other end of the supporting rod is rotationally connected with the limiting assembly, and a ring body is fixedly arranged in the limiting assembly; two pairs of the supporting rods and the limiting assemblies are arranged, and the supporting rods and the limiting assemblies are symmetrically arranged on the limiting ring; during installation, firstly, the ring body is installed in the limiting assembly, then the limiting ring is fixedly installed on the high-voltage power equipment, finally, the supporting rod and the limiting assembly are fixedly installed, then the grounding terminal is fixedly installed on the oval ring, and the oval ring is connected with the ground through a wire, so that installation and disassembly are convenient. The problem that in the prior art, maintenance and overhaul are difficult due to the fact that a supporting frame and a ring body are generally and directly integrated through welding and then connected to a shielded body through a fastener is solved.

Description

Technical Field

[0001] The invention relates to the technical field of electric power hardware tooling equipment, in particular to an electric power hardware voltage-equalizing shielding ring. Background Art

[0002] In modern power systems, the operation of high-voltage power equipment often generates strong electric and magnetic fields, resulting in uneven distribution of the electric field, which in turn causes corona discharge, equipment insulation aging, and other electrical faults. This not only affects the safety and stability of the equipment, but may also lead to power outages. In order to solve this problem, the prior art uses a voltage-equalizing shielding ring to balance the distribution of the electric and magnetic fields, thereby reducing the electric field interference and electromagnetic interference that may be generated by the power equipment during operation;

[0003] However, the prior art adopts a solution in which the support frame and the pressure-equalizing shielding ring are directly integrated by welding and then connected to the shielded body with fasteners. Firstly, the shielded body needs to be maintained or replaced, and the welded integrated structure makes disassembly complicated and time-consuming. Secondly, thermal stress may be introduced during the welding process, resulting in material deformation or degradation of device performance. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a power hardware equalizing shielding ring, which solves the problem that the prior art usually adopts the solution of directly integrating the support frame and the ring body by welding and then connecting them to the shielded body with fasteners, and the shielded body needs to be maintained or replaced. The welded integrated structure makes disassembly complicated and easily affects the stability of the ring body.

[0005] To achieve the above-mentioned purpose, the present invention proposes an electric power hardware voltage-equalizing shielding ring, comprising a bracket and a ring body, wherein a limit assembly is arranged between the bracket and the ring body; the bracket comprises a limit ring and a support rod; one end of the support rod is rotatably connected to the limit ring, and the other end is rotatably connected to the limit assembly, wherein a ring body is fixedly arranged in the limit assembly; two pairs of the support rod and the limit assembly are arranged, and the support rod and the limit assembly are symmetrically arranged on the limit ring;

[0006] The limiting assembly includes a bearing block, a U-shaped limiting plate, a limiting spring, an arc plate, a connecting block, and a limiting rod; one end of the limiting spring is fixedly connected to the bearing block, and the other end is fixedly connected to the arc plate; the connecting block is fixedly arranged under the bearing block; the U-shaped limiting plate passes through the bearing block on both sides; the limiting rod passes through the connecting block and the U-shaped limiting plate; the limiting rod is threadedly connected to the support rod and the connecting block with a second screw.

[0007] As a further solution of the present invention: the limit ring is composed of two symmetrical arc-shaped limit members, each arc-shaped limit member is fixedly provided with a pair of connecting shafts, and the support rod is rotatably connected to the connecting shafts.

[0008] As a further solution of the present invention: a plurality of anti-slip grooves are provided on the inner side of the arc-shaped limiting member.

[0009] As a further solution of the present invention: extension plates are fixedly installed at both ends of the arc-shaped limiter, adjustment plates are fixedly installed on the extension plates, the adjustment plates pass through the opposite extension plates, and baffles are fixedly installed at the ends.

[0010] As a further solution of the present invention: a thread groove is provided on the adjustment plate, and a first screw is threadedly provided on the extension plate and the thread groove.

[0011] As a further solution of the present invention: a limiting groove is provided on the supporting block, a pair of limiting holes are fixedly provided at the end of the U-shaped limiting plate, corresponding limiting holes are provided on the connecting block, and both sides of the U-shaped limiting plate are arranged in the supporting block through the limiting groove, and the limiting rod passes through the limiting holes on the connecting block and the U-shaped limiting plate.

[0012] As a further solution of the present invention: threaded holes are correspondingly provided on the limit rod and the connecting block, a steering groove is provided at the end of the support rod, the steering groove matches the connecting block, threaded holes are symmetrically provided on both sides of the steering groove, and a second screw is arranged in the threaded hole.

[0013] As a further solution of the present invention: an upper stopper is fixedly arranged below the U-shaped limiting plate; the upper stopper abuts against the upper end of the arc-shaped plate.

[0014] As a further solution of the present invention: a guide groove is opened in the bearing block, a lower stop block is fixedly arranged in the guide groove, elastic parts are symmetrically fixedly arranged at both ends of the lower stop block, a slider is fixedly arranged at the end of the elastic part, the slider is slidably connected to the guide groove, a connecting rod is fixedly arranged on the slider, and the connecting rod is fixedly connected to the arc plate.

[0015] As a further solution of the present invention: the lower stopper is flush with the lower end of the arc-shaped plate.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. By setting the limit assembly, the elliptical ring is fixedly installed in the limit assembly, and then the limit ring is fixedly installed on the high-voltage power equipment, and finally the support rod and the limit assembly are fixedly installed. Then, the grounding terminal is fixedly installed on the elliptical ring and connected to the ground through a wire to realize the installation of the entire device; by setting the limit assembly, it is convenient to realize the fixed connection between the bracket and the ring body, and it is easy to install and disassemble, which is convenient for maintenance.

[0018] 2. By setting a limit ring, the limit ring is composed of two symmetrical arc-shaped limit members, a number of anti-slip grooves are opened on the inner side of the arc-shaped limit members, extension plates are fixedly installed at both ends of the arc-shaped limit members, and an adjustment plate is fixedly installed on the extension plate. The adjustment plate passes through the opposite extension plate and a baffle is fixedly installed at the end. During installation, a pair of arc-shaped limit members can be pulled under the restriction of the adjustment plate, so that a pair of arc-shaped limit members can move in the same plane, which can realize the clamping and installation of high-voltage power equipment of different diameters while increasing the stability of the connection. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 The three-dimensional structure of the present invention Figure 1 ;

[0020] Figure 2 The three-dimensional structure of the present invention Figure 2 ;

[0021] Figure 3 It is a schematic structural diagram when the ring body of the present invention is a circular ring;

[0022] Figure 4 It is the installation schematic diagram of the present invention;

[0023] Figure 5 For the present invention Figure 1 A magnified image of point A;

[0024] Figure 6 For the present invention Figure 1 A magnified view of point B;

[0025] Figure 7 For the present invention Figure 2 Enlarged view of point C;

[0026] Figure 8 It is a partial cross-sectional view of the limiting assembly of the present invention;

[0027] Fig. 9 It is an exploded schematic diagram of the limiting assembly of the present invention.

[0028] In the figure: 1. limit ring; 2. anti-slip pattern; 3. support rod; 4. connecting shaft; 5. limit assembly; 6. elliptical ring; 7. high-voltage power equipment; 8. extension plate; 9. adjustment plate; 10. baffle; 11. threaded groove; 12. first screw; 13. circular ring; 14. steering groove; 15. connecting block; 16. limit rod; 17. second screw; 18. bearing block; 19. U-shaped limit plate; 20. upper block; 21. limit spring; 22. arc plate; 23. guide groove; 24. connecting rod; 25. slider; 26. limit groove; 27. limit hole; 28. elastic member; 29. ​​lower block; 30. threaded hole. DETAILED DESCRIPTION

[0029] The technical solution of the present invention will be clearly and completely described below in conjunction with the embodiments. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] like Figure 1-9 As shown, an electric power hardware voltage-equalizing shielding ring comprises a bracket and a ring body, a limiting component 5 is arranged between the bracket and the ring body, and the bracket, the ring body and the limiting component 5 are all made of conductive materials;

[0031] The connection between the bracket and the ring body is achieved through the limiting assembly 5; the ring body can be an elliptical ring 6 or a circular ring 13, and can also be set to other shapes according to specific needs; the bracket includes a limiting ring 1 and a support rod 3; one end of the support rod 3 is rotatably connected to the limiting ring 1, and the other end is rotatably connected to the limiting assembly 5, and an elliptical ring 6 is fixedly arranged in the limiting assembly 5; the support rod 3 and the limiting assembly 5 are arranged in two pairs, and the support rod 3 and the limiting assembly 5 are symmetrically arranged on the limiting ring 1;

[0032] As an implementation method in this embodiment, the limit ring 1 is composed of two symmetrical arc-shaped limit members, each of which is fixedly provided with a pair of connecting shafts 4, and the support rod 3 is rotatably connected to the connecting shaft 4. A plurality of anti-slip grooves 2 are provided on the inner side of the arc-shaped limit member to increase the friction during installation. Extension plates 8 are fixedly installed at both ends of the arc-shaped limit member, and an adjustment plate 9 is fixedly installed on the extension plate 8. The adjustment plate 9 passes through the opposite extension plate 8 and is fixedly provided with a baffle 10 at the end. The above configuration allows a pair of arc-shaped limit members to be pulled so that they can move in the same plane under the restriction of the adjustment plate 9. The adjustment plate 9 is provided with a plurality of anti-slip grooves 2. A thread groove 11 is provided, and a first screw rod 12 is threadedly provided on the extension plate 8 and the thread groove 11. Tightening the first screw rod 12 can extend the plate 8 and the adjustment plate 9 to achieve a fixed connection, that is, to achieve a fixed connection of a pair of arc-shaped limit members; during installation, the limit ring 1 is installed on the high-voltage power equipment 7. The setting of the limit ring 1 can be achieved on high-voltage power equipment 7 of different diameters. The high-voltage power equipment 7 pushes a pair of arc-shaped limit members to move toward each other until the high-voltage power equipment 7 enters the limit ring 1, and then the four first screw rods 12 are threadedly tightened to achieve a fixed connection between the limit ring 1 and the high-voltage power equipment 7;

[0033] As an implementation method in this embodiment, the limiting assembly 5 includes a bearing block 18, a U-shaped limiting plate 19, a limiting spring 21, an arc plate 22, a connecting block 15, and a limiting rod 16; a limiting groove 26 is provided on the bearing block 18, a pair of limiting holes 27 are fixedly provided at the end of the U-shaped limiting plate 19, and a limiting hole 27 is correspondingly provided on the connecting block 15. The two sides of the U-shaped limiting plate 19 are arranged in the bearing block 18 through the limiting groove 26, and the limiting rod 16 passes through the limiting holes 27 on the connecting block 15 and the U-shaped limiting plate 19, so as to realize the limiting of the U-shaped limiting plate 19 and the bearing block 18, and the limiting rod 16 and the corresponding limiting holes 27 on the connecting block 15 A threaded hole 30 should be provided, and a second screw 17 is provided in the threaded hole 30. Tightening the second screw 17 can realize the limiting of the U-shaped limiting plate 19 and the bearing block 18. An upper stopper 20 is fixedly provided below the U-shaped limiting plate 19; a limiting spring 21 is symmetrically fixedly provided in the bearing block 18, and an arc plate 22 is fixedly provided at the end of the limiting spring 21. The upper stopper 20 abuts against the upper end of the arc plate 22, and the elliptical ring 6 is provided between a pair of arc plates 22; a guide groove 23 is provided in the bearing block 18, and a lower stopper 29 is fixedly provided in the guide groove 23. The lower stopper 29 is flush with the lower end of the arc plate 22, and the two ends of the lower stopper 29 are symmetrical An elastic member 28 is fixedly provided, and a slider 25 is fixedly provided at the end of the elastic member 28. The slider 25 is slidably connected to the guide groove 23. A connecting rod 24 is fixedly provided on the slider 25, and the connecting rod 24 is fixedly connected to the arc plate 22. During installation, the U-shaped limit plate 19 is first removed, and the elliptical ring 6 is pressed between a pair of arc plates 22. Under the elastic action of the limit spring 21 and the elastic member 28, the clamping force of the arc plate 22 on the elliptical ring 6 is increased; by setting the upper stopper 20 and the lower stopper 29, the current conduction path between the limit assembly 5, the elliptical ring 6, the support rod 3, the limit ring 1, and the high-voltage power equipment 7 can be increased. And increase the stability of the overall pressure distribution of the device; after the elliptical ring 6 is installed, the limit rod 16 is inserted into the limit hole 27; the limit rod 16 and the connecting block 15 are correspondingly provided with threaded holes 30, and the end of the support rod 3 is provided with a steering groove 14, the steering groove 14 matches the connecting block 15, and the two sides of the steering groove 14 are symmetrically provided with threaded holes 30, and the second screw 17 is arranged in the threaded hole 30; after the limit rod 16 is inserted into the limit hole 27, the steering groove 14 is clamped on the outside of the connecting block 15, and the support rod 3 is rotated to adjust the limit ring 1 to be parallel to the elliptical ring 6; then tighten the second screw 17 to achieve a fixed connection between the support rod 3 and the limit assembly 5.

[0034] Working principle:

[0035] During installation, the elliptical ring 6 is first fixedly installed in the limiting assembly 5, and then the limiting ring 1 is fixedly installed on the high-voltage power equipment 7, and finally the support rod 3 and the limiting assembly 5 are fixedly installed, and then the grounding terminal is fixedly installed on the elliptical ring 6, and connected to the ground through a wire, and the installation of the entire device can be realized; when the high-voltage current passes through the high-voltage power equipment 7, the voltage-equalizing shielding ring can effectively guide the electric field and the magnetic field to make them evenly distributed, thereby reducing the electric field strength on the surface of the equipment, reducing the corona discharge phenomenon, and improving the insulation performance of the equipment;

[0036] Specifically, the limit ring 1 is installed on the high-voltage power equipment 7, and the high-voltage power equipment 7 pushes a pair of arc-shaped limit members to move toward each other until the high-voltage power equipment 7 enters the limit ring 1, and then the four first screws 12 are threadedly tightened to achieve a fixed connection between the limit ring 1 and the high-voltage power equipment 7; remove the U-shaped limit plate 19, press the elliptical ring 6 between a pair of arc plates 22, and under the elastic action of the limit spring 21 and the elastic member 28, increase the clamping force of the arc plate 22 on the elliptical ring 6; after the installation of the elliptical ring 6 is completed, insert the limit rod 16 into the limit hole 27; threaded holes 30 are correspondingly opened on the limit rod 16 and the connecting block 15, and then the steering groove 14 is clamped on the outside of the connecting block 15, and the support rod 3 is rotated to adjust the limit ring 1 to be parallel to the elliptical ring 6; then tighten the second screw 17 to achieve a fixed connection between the support rod 3 and the limit assembly 5.

[0037] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, and a specific direction structure and operation, and therefore, cannot be understood as a limitation on the present invention. In addition, "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0038] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0039] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A voltage-equalizing shielding ring for electric power hardware, characterized in that: The invention comprises a bracket and a ring body, wherein a limiting assembly (5) is arranged between the bracket and the ring body; the bracket comprises a limiting ring (1) and a support rod (3); one end of the support rod (3) is rotatably connected to the limiting ring (1), and the other end is rotatably connected to the limiting assembly (5), and a ring body is fixedly arranged inside the limiting assembly (5); two pairs of the support rod (3) and the limiting assembly (5) are arranged, and the support rod (3) and the limiting assembly (5) are symmetrically arranged on the limiting ring (1); The limiting assembly (5) comprises a bearing block (18), a U-shaped limiting plate (19), a limiting spring (21), an arc plate (22), a connecting block (15), and a limiting rod (16); one end of the limiting spring (21) is fixedly connected to the bearing block (18), and the other end is fixedly connected to the arc plate (22); the connecting block (15) is fixedly arranged below the bearing block (18); both sides of the U-shaped limiting plate (19) pass through the bearing block (18); the limiting rod (16) passes through the connecting block (15) and the U-shaped limiting plate (19); and a second screw (17) is threadedly connected to the limiting rod (16), the support rod (3), and the connecting block (15).

2. The power hardware voltage-grading shielding ring according to claim 1, characterized in that: The limiting ring (1) is composed of two symmetrical arc-shaped limiting parts, each arc-shaped limiting part is fixedly provided with a pair of connecting shafts (4), and the support rod (3) is rotatably connected to the connecting shafts (4).

3. The electric power hardware voltage-grading shielding ring according to claim 2, characterized in that: A plurality of anti-slip grooves (2) are provided on the inner side of the arc-shaped limiting member.

4. The electric power hardware voltage-grading shielding ring according to claim 2, characterized in that: Extension plates (8) are fixedly mounted at both ends of the arc-shaped limiting member, an adjustment plate (9) is fixedly mounted on the extension plate (8), the adjustment plate (9) passes through the opposite extension plate (8), and a baffle (10) is fixedly mounted at the end.

5. The electric power hardware voltage-grading shielding ring according to claim 4, characterized in that: The adjusting plate (9) is provided with a thread groove (11), and a first screw rod (12) is threadedly arranged on the extension plate (8) and the thread groove (11).

6. The power hardware voltage-grading shielding ring according to claim 1, characterized in that: The bearing block (18) is provided with a limiting groove (26), the end of the U-shaped limiting plate (19) is fixedly provided with a pair of limiting holes (27), the connecting block (15) is provided with corresponding limiting holes (27), the two sides of the U-shaped limiting plate (19) are arranged in the bearing block (18) through the limiting grooves (26), and the limiting rod (16) passes through the limiting holes (27) on the connecting block (15) and the U-shaped limiting plate (19).

7. The power hardware voltage-grading shielding ring according to claim 6, characterized in that: The limiting rod (16) and the connecting block (15) are provided with threaded holes (30) correspondingly, the end of the support rod (3) is provided with a steering groove (14), the steering groove (14) matches the connecting block (15), the two sides of the steering groove (14) are symmetrically provided with threaded holes (30), and a second screw rod (17) is arranged in the threaded hole (30).

8. The electric power hardware voltage-grading shielding ring according to claim 7, characterized in that: An upper stopper (20) is fixedly arranged below the U-shaped limiting plate (19); the upper stopper (20) abuts against the upper end of the arc-shaped plate (22).

9. The power hardware voltage-grading shielding ring according to claim 8, characterized in that: A guide groove (23) is provided in the bearing block (18), a lower block (29) is fixedly provided in the guide groove (23), elastic members (28) are symmetrically fixedly provided at both ends of the lower block (29), a slider (25) is fixedly provided at the end of the elastic member (28), the slider (25) is slidably connected to the guide groove (23), a connecting rod (24) is fixedly provided on the slider (25), and the connecting rod (24) is fixedly connected to the arc plate (22).

10. The power hardware voltage-grading shielding ring according to claim 9, characterized in that: The lower stopper (29) is flush with the lower end of the arc-shaped plate (22).

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