An insulator for overhead power distribution lines with bird protection device
The design of the fixed ring 1, fixed ring 2 and limit ring solves the problem of inconvenient bird cover installation, realizes the rotation adjustment of the bracket and the reliable fixation of the bird cover, and improves the convenience and safety of installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGXI GREEN ENERGY ELECTRIC POWER SURVEY & DESIGN CO LTD
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-17
AI Technical Summary
The installation of existing bird-proof covers for insulators on overhead power distribution lines requires workers to bend over, and tools are prone to falling, resulting in inconvenience and safety hazards.
The design employs a combination of a first fixing ring, a second fixing ring, and a limiting ring, allowing the bracket to be rotated and adjusted before installation. The bird cover is reliably fixed through a combination of connecting rods and screws.
It improves the convenience and safety of bird cover installation, reduces the time workers spend bending over to operate, and enhances the stability and reliability of the bird cover.
Smart Images

Figure CN224519594U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of insulator technology, specifically to an insulator for overhead power distribution lines with a bird protection device. Background Technology
[0002] Insulators for overhead distribution lines are core components that ensure the safe operation of the distribution network. They mainly serve two functions: electrical insulation and mechanical support. They are often equipped with devices such as bird guards and bird spikes to further improve operational reliability.
[0003] To reduce bird damage to insulators, such as insulation failure and mechanical corrosion, bird shields are used to prevent bird droppings from falling directly onto the outside of the insulators. The installation of the bird shields requires manual operation by workers. The overall structure includes a fixed bracket and a smooth cover. During installation, the fixed bracket is first installed on the rod of the insulator, and then the cover is fixed to the outside of the fixed bracket with fixing nuts. Since the fixed bracket cannot be rotated or adjusted after installation, workers need to bend over to install the bird shields, which not only consumes a lot of physical strength, but also makes it easy for tools such as fixing nuts to fall off during installation.
[0004] To address these issues, we provide insulators for overhead power distribution lines with bird protection devices. Utility Model Content
[0005] 1) Technical problems to be solved
[0006] This utility model proposes an insulator for overhead power distribution lines with a bird protection device. By cooperating with the first fixing ring, the second fixing ring, and the limiting ring, it solves the problem that the fixed bracket cannot be rotated and adjusted after installation.
[0007] (ii) Technical Solution
[0008] To achieve the above objectives, this utility model provides the following technical solution: an overhead power line insulator with a bird protection device, comprising a pole body, an insulator body mounted on the outside of the pole body, a mounting ring one and a mounting ring two slidably connected to the outer surface of the pole body, and a connecting mechanism mounted on the outside of the mounting ring one;
[0009] Support plates are fixedly installed on the outer surfaces of both mounting ring one and mounting ring two. One end of each support plate is rotatably connected to connecting rod one and connecting rod two. Fixing ring one and fixing ring two are fixedly installed on the outer surfaces of connecting rod one and connecting rod two, respectively. Bird guards are detachably connected to the outside of fixing ring one and fixing ring two. A spring is fixedly installed on the inner wall of fixing ring one, and a limit ring is slidably connected to the inner wall of fixing ring one.
[0010] Furthermore, the support plate has an installation groove inside, and a connecting rod three is rotatably connected inside the installation groove. A fixing ring three is fixedly installed on the outer surface of the connecting rod three.
[0011] Furthermore, screws are fixedly installed on the outer surfaces of the first fixing ring, the second fixing ring, and the outer surfaces of the screws are threaded with fixing nuts, and the bird cover is fixed by the fixing nuts and screws.
[0012] Furthermore, the connecting mechanism includes a first fixing plate and a second fixing plate. The first fixing plate is fixedly installed with a first mounting ring, and the second fixing plate is fixedly installed with a second mounting ring. Adjacent first fixing plates and second fixing plates are fixed by fixing screws.
[0013] Furthermore, the adjacent fixing rings one and two are symmetrically arranged outside the support plate, and the fixing rings one, two and three are all arranged with the same center.
[0014] Furthermore, a positioning rod is fixedly installed on the inner wall of the fixing ring, the spring is sleeved on the outside of the positioning rod, the outer surface of the positioning rod is slidably connected to the inside of the limiting ring, and the other end of the spring is fixedly installed to one end of the limiting ring.
[0015] Furthermore, the outer surface of the limiting ring is slidably connected to the interior of the second fixed ring, and when the adjacent first fixed ring and second fixed ring are horizontal, the limiting ring is located inside the second fixed ring.
[0016] (iii) Beneficial effects:
[0017] Compared with existing technologies, this overhead power line insulator with bird protection device has the following advantages:
[0018] I. This overhead power line insulator with bird protection device, through the cooperation of fixing ring one, fixing ring two and limiting ring, firstly fixes mounting ring one and mounting ring two to the outside of the pole body through the connecting mechanism during operation. When the limiting ring is not connected to fixing ring one and fixing ring two, fixing ring one and fixing ring two can rotate. At this time, fixing ring one and fixing ring two can be rotated to a vertical position, thereby increasing the height of the bird protection cover fixing position. This makes it easier for workers to operate, without having to bend over for a long time. It realizes the function of rotating the fixed bracket for installation, reducing the time workers spend bending over during installation.
[0019] Second, the overhead line insulator with bird protection device has a connecting rod and a fixing ring. The fixing ring can rotate to a horizontal position. At this time, the bottom of the bird protection cover can be supported by the cooperation of the fixing ring, the fixing ring, and the fixing nut makes the bird protection cover more reliable. Attached Figure Description
[0020] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.
[0021] Figure 1 This is a structural diagram of the present utility model;
[0022] Figure 2 This utility model Figure 1 A magnified view of a section at point A in the middle;
[0023] Figure 3 This is a structural diagram of the support plate component of this utility model;
[0024] Figure 4 This is a structural diagram of the limiting ring component of this utility model.
[0025] In the diagram: 1. Rod body; 2. Insulator body; 3. Mounting ring one; 4. Mounting ring two; 5. Connecting mechanism; 501. Fixing plate one; 502. Fixing plate two; 6. Support plate; 7. Connecting rod one; 8. Connecting rod two; 9. Fixing ring one; 10. Fixing ring two; 11. Bird guard; 12. Spring; 13. Limiting ring; 14. Mounting groove; 15. Connecting rod three; 16. Fixing ring three; 17. Screw; 18. Fixing nut; 19. Positioning rod. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] like Figure 1 - Figure 4As shown, this utility model provides a technical solution: an insulator for an overhead power distribution line with a bird protection device, including a pole body 1, an insulator body 2 installed on the outside of the pole body 1, a mounting ring 3 and a mounting ring 4 slidably connected to the outer surface of the pole body 1, a connecting mechanism 5 installed on the outside of the mounting ring 3, the connecting mechanism 5 including a fixing plate 501 and a fixing plate 502, the fixing plate 501 being fixedly installed with the mounting ring 3, the fixing plate 502 being fixedly installed with the mounting ring 4, adjacent fixing plates 501 and 502 being fixed by fixing screws, and the mounting ring 3 and the mounting ring 4 being fixed by fixing screws 17. At this time, the mounting ring 3 and the mounting ring 4 form a set of rings and are fixed to the outside of the pole body 1.
[0028] Support plates 6 are fixedly installed on the outer surfaces of mounting ring 3 and mounting ring 4. One end of the support plate 6 is rotatably connected to connecting rod 7 and connecting rod 8. Fixing ring 9 and fixing ring 10 are fixedly installed on the outer surfaces of connecting rod 7 and connecting rod 8, respectively. Fixing ring 9 and fixing ring 10 can rotate in opposite directions under the connection of connecting rod 7 and connecting rod 8. The support plate 6 can support fixing ring 9 and fixing ring 10. All the above components are made of high-strength alloy material and have undergone surface treatment for corrosion resistance.
[0029] The support plate 6 has an internal mounting groove 14. A connecting rod 15 is rotatably connected inside the mounting groove 14. A fixing ring 16 is fixedly installed on the outer surface of the connecting rod 15. Adjacent fixing rings 9 and 10 are symmetrically arranged outside the support plate 6. The fixing rings 9, 10, and 16 are all arranged with the same center. The fixing ring 16 can rotate under the action of the connecting rod 15. With the obstruction of the mounting groove 14, the fixing ring 16 is horizontal with the support plate 6. At this time, multiple sets of fixing rings 9, 10, and 16 are parallel.
[0030] Bird cover 11 is detachably connected to the outside of fixing ring 19 and fixing ring 20. Screws 17 are fixedly installed on the outer surfaces of fixing ring 19, fixing ring 20 and fixing ring 210. Fixing nuts 18 are threaded onto the outer surfaces of screws 17. Bird cover 11 is fixed by fixing nuts 18 and screws 17. The edges of bird cover 11 are made of soft material, which can cover and shield the edge position without affecting the overall folding. When carrying bird cover 11, fixing ring 19 and fixing ring 20 can be controlled to be vertically arranged with support plate 6. After fixing mounting ring 13 and mounting ring 24, fixing ring 19, fixing ring 20 and fixing ring 316 can be directly controlled to be horizontal. At this time, bird cover 11 can be quickly opened. Since the edges of bird cover 11 are made of soft material, it can shield bird droppings. Through the anti-slip agent sprayed on the surface, it can also be washed away by rainwater in rainy and snowy weather. The soft material is also not easy to accumulate snow.
[0031] A spring 12 is fixedly installed on the inner wall of fixed ring 9. A limit ring 13 is slidably connected to the inner wall of fixed ring 9. A positioning rod 19 is fixedly installed on the inner wall of fixed ring 9. The spring 12 is sleeved on the outside of the positioning rod 19. The outer surface of the positioning rod 19 is slidably connected to the inside of the limit ring 13. The other end of the spring 12 is fixedly installed to one end of the limit ring 13. The outer surface of the limit ring 13 is slidably connected to the inside of fixed ring 10. When adjacent fixed rings 9 and 10 are horizontal, the limit ring 13 is located inside fixed ring 10. The spring 12 can push the position of the limit ring 13, at which time part of the limit ring 13 will protrude from fixed ring 9. When the first fixed ring 9 and the second fixed ring 10 are horizontal, the limiting ring 13 can position the first fixed ring 9 and the second fixed ring 10 horizontally. At this time, the entire bird cover 11 is placed horizontally. When replacing the bird cover 11, first move the limiting ring 13 and make the first fixed ring 9 and the fixed ring rotate. Then, disassemble the fixing nuts 18 on the outside of the first fixed ring 9, the second fixed ring 10 and the third fixed ring 16 in sequence and replace the bird cover 11. Since the middle fixed position of the bird cover 11 increases after rotation, the user does not need to bend over to operate when replacing it. Different sizes of the first fixed ring 9, the second fixed ring 10 and the third fixed ring 16 can be customized according to the different insulator bodies 2.
[0032] Working principle: When installing the bird cover 11, first fix the bird cover 11 to the outside of the fixing ring 9, etc. with the fixing nut 18. At this time, control the bird cover 11 to be vertical with the support plate 6. Then fix the mounting ring 3 and mounting ring 4 to the outside of the rod 1 with the fixing screw 17. After controlling the bird cover 11 to be horizontal, move the limiting ring 13. Under the push of the spring 12, the limiting ring 13 enters the inside of the fixing ring 10. At this time, the fixing ring 9 and fixing ring 10 are horizontally fixed, and the bird cover 11 does not need to be installed separately at high altitude.
[0033] When replacing the bird cover 11, first move the limiting ring 13 to rotate the fixing ring 9 and the fixing ring 10 to vertical. Then replace the bird cover 11 directly and repeat the above operation.
[0034] In the description of this utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.
[0035] However, the above description is only a specific embodiment of this utility model and should not be construed as limiting the scope of implementation of this utility model. Therefore, any substitution of equivalent components or equivalent changes and modifications made in accordance with the scope of protection of this utility model should still fall within the scope of the claims of this utility model.
Claims
1. An insulator for an overhead power distribution line with a bird protection device, comprising a pole (1), characterized in that: An insulator body (2) is installed on the outside of the rod (1), and an installation ring one (3) and an installation ring two (4) are slidably connected on the outer surface of the rod (1). A connecting mechanism (5) is installed on the outside of the installation ring one (3). Support plates (6) are fixedly installed on the outer surfaces of mounting ring 1 (3) and mounting ring 2 (4). One end of the support plate (6) is rotatably connected to connecting rod 1 (7) and connecting rod 2 (8). Fixing ring 1 (9) and fixing ring 2 (10) are fixedly installed on the outer surfaces of connecting rod 1 (7) and connecting rod 2 (8), respectively. Bird guards (11) are detachably connected to the outside of fixing ring 1 (9) and fixing ring 2 (10). Springs (12) are fixedly installed on the inner wall of fixing ring 1 (9). Limiting rings (13) are slidably connected to the inner wall of fixing ring 1 (9).
2. An overhead power line insulator with bird protection device according to claim 1, characterized in that: The support plate (6) has an installation groove (14) inside, and a connecting rod (15) is rotatably connected inside the installation groove (14). A fixing ring (16) is fixedly installed on the outer surface of the connecting rod (15).
3. An overhead power line insulator with bird protection device according to claim 1, characterized in that: The outer surfaces of the first fixing ring (9), the second fixing ring (10) and the second fixing ring (10) are all fixedly installed with screws (17), and the outer surfaces of the screws (17) are threaded with fixing nuts (18). The bird cover (11) is fixed by the fixing nuts (18) and the screws (17).
4. An overhead power line insulator with bird protection device according to claim 1, characterized in that: The connecting mechanism (5) includes a first fixing plate (501) and a second fixing plate (502). The first fixing plate (501) is fixedly installed with the first mounting ring (3), and the second fixing plate (502) is fixedly installed with the second mounting ring (4). Adjacent first fixing plates (501) and second fixing plates (502) are fixed by fixing screws.
5. An overhead power line insulator with bird protection device according to claim 1, characterized in that: The adjacent fixing rings one (9) and two (10) are symmetrically arranged outside the support plate (6), and the fixing rings one (9), two (10) and three (16) are arranged with the same center.
6. An overhead power line insulator with bird protection device according to claim 1, characterized in that: A positioning rod (19) is fixedly installed on the inner wall of the fixing ring (9). The spring (12) is sleeved on the outside of the positioning rod (19). The outer surface of the positioning rod (19) is slidably connected to the inside of the limiting ring (13). The other end of the spring (12) is fixedly installed on one end of the limiting ring (13).
7. An overhead power line insulator with bird protection device according to claim 1, characterized in that: The outer surface of the limiting ring (13) is slidably connected to the inside of the second fixed ring (10). When the adjacent first fixed ring (9) and second fixed ring (10) are horizontal, the limiting ring (13) is located inside the second fixed ring (10).