High-voltage transmission line composite insulator grading ring
By designing a rotating structure for the equalizing ring in composite insulators, the problems of debris accumulation and bird pollution were solved, thus achieving stable operation and improved safety of high-voltage transmission lines.
Patent Information
- Application Number
- CN202423218614.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-26
AI Technical Summary
Traditional composite insulators using grading rings are susceptible to debris accumulation and contamination under strong winds and bird activity, affecting the electric field distribution and insulation performance, leading to a high risk of line faults.
An equalizing ring for composite insulators was designed, which includes an equalizing device, a deterrent device, and a movable device. The rotating structure pushes away debris and drives away birds, preventing accumulation and pollution.
It effectively prevents debris accumulation and bird roosting, reduces local electric field intensity, improves the reliability and safety of transmission lines, and reduces the risk of failure.
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Figure CN223612148U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of grading ring, specifically relates to high voltage transmission line composite insulator is with grading ring. BACKGROUND
[0002] In high voltage transmission line, composite insulator plays a key role in insulation support, and the grading ring is an important component to ensure its stable operation. The traditional composite insulator grading ring has a single function. In the actual operating environment, the transmission line often faces many challenges. In windy weather, debris is easy to be blown to the grading ring and accumulate. These accumulations can easily change the electric field distribution around the grading ring, reduce its grading effect, and cause partial discharge and other faults, affecting the safety of the transmission line. At the same time, birds often use the grading ring as a habitat. Their excrement not only pollutes the surface of the insulator and the grading ring, leading to a decrease in insulation performance, but also may cause line short circuit accidents.
[0003] Through the cooperation of the grading device, the driving device and the movable device in Shenzhen, the driving device can actively push away the debris under the action of the wind to prevent accumulation. The movable device uses its rotating characteristics to make it difficult for birds to stand, avoiding bird stay, and thus improving the reliability and safety of the transmission line during operation. SUMMARY
[0004] In view of the deficiencies of the prior art, the utility model solves its technical problems by adopting the following technical scheme: a grading ring for high voltage transmission line composite insulator, comprising: a grading device for reducing local electric field intensity; a driving device, the outer wall of the driving device is rotatably connected with the outer wall of the grading device, the driving device is used for driving birds and pushing away debris; a movable device, the outer wall of the movable device is rotatably connected with the outer wall of the grading device, the movable device is used for preventing birds from staying; the driving device comprises a rotating ring, the outer wall of the bottom of the rotating ring is fixedly connected with a anti-dropping ring, the outer wall of the top of the rotating ring is fixedly connected with a cleaning frame, the outer wall of the cleaning frame is fixedly connected with a wind shield, the outer wall of the bottom of the cleaning frame is fixedly connected with a sliding ring, the inner side wall of the sliding ring is fixedly connected with a limiting ring, the grading device and the driving device are arranged to act together, the wind shield is stressed to drive the cleaning frame and the rotating ring to rotate, the cleaning frame can push away debris, avoiding the accumulation of debris blown in windy weather, preventing the influence on the performance of the grading ring.
[0005] Preferably, the grading device comprises a connecting disc, a limiting groove is formed in the wall of the connecting disc, the outer wall of the connecting disc is fixedly connected with a connecting frame, the outer wall of the bottom of the connecting frame is fixedly connected with a connecting ring, a anti-dropping groove is formed in the wall of the connecting ring, and the outer wall of the connecting ring is fixedly connected with a fixed ring.
[0006] Preferably, the inner wall of the connecting disc is rotationally connected with the outer wall of the anti-off ring through a limiting groove, the outer wall of the connecting disc is rotationally connected with the outer wall of the rotating ring, the inner wall of the connecting ring is rotationally connected with the outer wall of the limiting ring through an anti-off groove, and the outer wall of the connecting ring is rotationally connected with the outer wall of the sliding ring.
[0007] Preferably, the movable device comprises a wrapping ring, the inner wall of the wrapping ring is rotationally connected with the outer wall of the fixed ring through a connecting groove, the connecting groove is arranged in the wall of the wrapping ring, the outer wall of the wrapping ring is fixedly connected with an anti-off block in a symmetrical mode, the outer wall of the anti-off block is rotationally connected with the outer wall of the fixed ring, and the pressure equalizing device and the movable device are cooperatively arranged, so that birds stand unsteadily, the rotation of the wrapping ring can effectively prevent the birds from staying and inhabiting on the pressure equalizing ring, and the pollution and damage of the excrement of the birds to the insulator and the pressure equalizing ring are reduced.
[0008] The utility model discloses the following beneficial effects:
[0009] 1. The utility model discloses a pressure equalizing device and drive device common action are arranged, and the cleaning frame and rotating ring are rotated by the stress of baffle, and the cleaning frame can push away sundries, avoids the accumulation of the sundries blown under the gale weather, prevents the influence pressure equalizing ring performance.
[0010] 2. The utility model discloses a pressure equalizing device and movable device common cooperation are arranged, so that birds stand unsteadily, the rotation of the wrapping ring can effectively prevent the birds from staying and inhabiting on the pressure equalizing ring, and the pollution and damage of the excrement of the birds to the insulator and the pressure equalizing ring are reduced. DRAWINGS
[0011] Figure 1 It is the perspective drawing of the utility model;
[0012] Figure 2 It is the internal structure schematic view of the utility model;
[0013] Figure 3 It is the internal structure schematic view of the pressure equalizing device of the utility model;
[0014] Figure 4 It is the internal structure schematic view of the drive device of the utility model;
[0015] Figure 5 It is the internal structure schematic view of the movable device of the utility model.
[0016] In the drawing: 1, pressure equalizing device;2, drive device;3, movable device;11, connecting disc;12, limiting groove;13, connecting frame;14, connecting ring;15, anti-off groove;16, fixed ring;21, rotating ring;22, anti-off ring;23, cleaning frame;24, baffle;25, sliding ring;26, limiting ring;31, wrapping ring;32, connecting groove;33, anti-off block. DETAILED DESCRIPTION
[0017] The embodiments of the present application are presented by way of example and description, and are not exhaustive or limit the present application to the disclosed form. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are chosen and described in order to best explain the principles of the present application and its practical application, and to enable others skilled in the art to understand the present application in order to design various embodiments with various modifications for particular uses according to the principles of the present application.
[0018] Embodiment: Please refer to Figure 1 Figure 5 The present application provides a technical solution: a grading ring for high-voltage transmission line composite insulator, comprising: a grading device 1, the grading device 1 is used to reduce the local electric field intensity; a driving device 2, the outer wall of the driving device 2 is rotatably connected with the outer wall of the grading device 1, the driving device 2 is used to drive birds and push away sundries; a movable device 3, the outer wall of the movable device 3 is rotatably connected with the outer wall of the grading device 1, the movable device 3 is used to prevent birds from staying; the driving device 2 comprises a rotating ring 21, the outer wall of the bottom of the rotating ring 21 is fixedly connected with an anti-dropping ring 22, the outer wall of the top of the rotating ring 21 is fixedly connected with a cleaning frame 23, the outer wall of the cleaning frame 23 is fixedly connected with a wind deflector 24, the outer wall of the bottom of the cleaning frame 23 is fixedly connected with a sliding ring 25, the inner side wall of the sliding ring 25 is fixedly connected with a limiting ring 26, when the wind blows, the wind deflector 24 is forced to drive the cleaning frame 23 and the rotating ring 21 to rotate, the cleaning frame 23 can push away sundries, avoid the accumulation of sundries blown by strong wind, and prevent the performance of the grading ring from being affected.
[0019] The grading device 1 comprises a connecting disc 11, a limiting groove 12 is formed in the wall of the connecting disc 11, the outer wall of the connecting disc 11 is fixedly connected with a connecting frame 13, the outer wall of the bottom of the connecting frame 13 is fixedly connected with a connecting ring 14, the wall of the connecting ring 14 is provided with an anti-dropping groove 15, and the outer wall of the connecting ring 14 is fixedly connected with a fixed ring 16.
[0020] The inner wall of the connecting disc 11 is rotatably connected with the outer wall of the anti-dropping ring 22 through the limiting groove 12, the outer wall of the connecting disc 11 is rotatably connected with the outer wall of the rotating ring 21, the inner wall of the connecting ring 14 is rotatably connected with the outer wall of the limiting ring 26 through the anti-dropping groove 15, and the outer wall of the connecting ring 14 is rotatably connected with the outer wall of the sliding ring 25.
[0021] The activity device 3 comprises a wrapping ring 31, the inner wall of the wrapping ring 31 is rotationally connected with the outer wall of the fixed ring 16 through a connecting groove 32, the connecting groove 32 is opened in the wall of the wrapping ring 31, the outer wall of the wrapping ring 31 is symmetrically fixedly connected with an anti-dropping block 33, the outer wall of the anti-dropping block 33 is rotationally connected with the outer wall of the fixed ring 16, the wrapping ring 31 of the activity device 3 can rotate around the fixed ring 16 through the connecting groove 32, the anti-dropping block 33 ensures the stability during rotation, since the surface of the connecting ring 14 is smooth and wide, the birds cannot stand with a holding fulcrum, and the wrapping ring 31 rotates due to the center of gravity offset after the birds stand, so that the birds stand unstably, the rotation of the wrapping ring 31 prevents the birds from staying and inhabiting on the grading ring.
[0022] Working principle:
[0023] When the grading ring for high-voltage transmission line composite insulator is working, the grading device 1 plays a role in reducing the local electric field strength, the connecting disc 11 is stably installed at the top end position of the composite insulator through the connecting frame 13 and the connecting ring 14 and the like, the connecting ring 14 and the fixed ring 16 provide a rotating support point for the activity device 3, the wrapping ring 31 of the activity device 3 can rotate around the fixed ring 16 through the connecting groove 32, the anti-dropping block 33 ensures the stability during rotation, since the surface of the connecting ring 14 is smooth and wide, the birds cannot stand with a holding fulcrum, and the wrapping ring 31 rotates due to the center of gravity offset after the birds stand, so that the birds stand unstably, the rotation of the wrapping ring 31 prevents the birds from staying and inhabiting on the grading ring, reduces the pollution and damage of bird excrement to the insulator and the grading ring, and guarantees the safe and stable operation of the transmission line;
[0024] The rotating ring 21 of the driving device 2 is rotated by means of the limiting groove 12 of the connecting disc 11, the anti-dropping ring 22 prevents it from falling off, when there is wind blowing, the wind shield 24 is forced to drive the cleaning frame 23 and the rotating ring 21 to rotate, the cleaning frame 23 can push away the sundries, avoids the accumulation of the sundries blown in the gale weather, prevents the influence on the performance of the grading ring, the sliding ring 25 and the limiting ring 26 are rotated through the cooperation of the anti-dropping groove 15 and the connecting ring 14, further enhances the flexibility and stability of the driving device 2 during rotation, the grading ring can achieve the functions of grading, driving away the birds, pushing away the sundries and preventing the birds from staying, effectively protects the composite insulator, reduces the risk of transmission line failure caused by the activities of the birds and the accumulation of the sundries, improves the operation reliability and safety of the transmission line, reduces the maintenance cost and the incidence of power failure.
[0025] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, if not specially described and limited, are implemented according to the conventional means in the art.
Claims
1. A grading ring for composite insulators of high voltage transmission lines, characterized in that, Include: The equalizing device (1) is used for reducing the local electric field intensity; The drive device (2) is rotatably connected with the outer wall of the equalizing device (1), and the drive device (2) is used for driving birds and pushing away sundries; The activity device (3) is rotatably connected with the outer wall of the equalizing device (1), and the activity device (3) is used for preventing birds from staying; The drive device (2) includes a rotating ring (21), the outer wall of the bottom of the rotating ring (21) is fixedly connected with an anti-off ring (22), the outer wall of the top of the rotating ring (21) is fixedly connected with a cleaning frame (23), the outer wall of the cleaning frame (23) is fixedly connected with a wind shield (24), the outer wall of the bottom of the cleaning frame (23) is fixedly connected with a sliding ring (25), and the inner wall of the sliding ring (25) is fixedly connected with a limiting ring (26).
2. The grading ring for high voltage power transmission line composite insulator according to claim 1, characterized in that: The equalizing device (1) includes a connecting disc (11), the wall of the connecting disc (11) is provided with a limiting groove (12), the outer wall of the connecting disc (11) is fixedly connected with a connecting frame (13), the outer wall of the bottom of the connecting frame (13) is fixedly connected with a connecting ring (14), the wall of the connecting ring (14) is provided with an anti-off groove (15), and the outer wall of the connecting ring (14) is fixedly connected with a fixed ring (16).
3. The grading ring for high voltage power transmission line composite insulators according to claim 2, characterized in that: The inner wall of the connecting disc (11) is rotatably connected with the outer wall of the anti-off ring (22) through the limiting groove (12), and the outer wall of the connecting disc (11) is rotatably connected with the outer wall of the rotating ring (21).
4. The grading ring for high voltage power transmission line composite insulator according to claim 2, characterized in that: The inner wall of the connecting ring (14) is rotatably connected with the outer wall of the limiting ring (26) through the anti-off groove (15), and the outer wall of the connecting ring (14) is rotatably connected with the outer wall of the sliding ring (25).
5. The grading ring for high voltage power transmission line composite insulator according to claim 2, characterized in that: The inner wall of the wrapping ring (31) is rotatably connected with the outer wall of the fixed ring (16) through the connecting groove (32), the connecting groove (32) is arranged in the wall of the wrapping ring (31), and the outer wall of the wrapping ring (31) is fixedly connected with an anti-off block (33) in a symmetrical manner.
6. The grading ring for high voltage power transmission line composite insulators according to claim 5, characterized in that: The outer wall of the anti-off block (33) is rotatably connected with the outer wall of the fixed ring (16).