Anti-interference shielding case for high-voltage transmission line
By designing an anti-interference shielding cover for high-voltage transmission lines with an installation and closing mechanism, the problems of complex installation and high cost in existing technologies have been solved, achieving efficient and stable electromagnetic interference protection.
Patent Information
- Application Number
- CN202423196323.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-24
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-24
AI Technical Summary
The installation of existing high-voltage transmission line anti-interference shielding covers is complex and costly, making it difficult to install efficiently and effectively resist external electromagnetic interference.
A high-voltage transmission line anti-interference shielding cover was designed, which includes an installation mechanism and a closing mechanism. The clamping ring is tightly fitted by manually rotating the nut and threaded rod. Combined with the sliding of the closing plate and the connecting rail and the bolt fixing, the stable installation and sealing of the shielding cover are ensured.
It enables quick installation without complicated tools, the clamping ring provides a firm grip, and the shielding cover has good sealing performance, effectively resisting external electromagnetic interference and environmental factors, and ensuring the stable operation of transmission lines.
Smart Images

Figure CN223859511U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high -voltage transmission line technical field, concretely is high -voltage transmission line anti -interference shield. BACKGROUND
[0002] In modern power transmission system, high -voltage transmission line plays a vital role, is responsible for transmitting a large amount of electric energy from power station to each power consumption area efficiently;
[0003] In the operation environment of high -voltage transmission line, with the rapid development of modern science and technology, various electronic equipment and electrical facilities are widely distributed in the periphery of high -voltage transmission line, and the complex electromagnetic environment generated thereby constitutes a serious threat to the normal operation of high -voltage transmission line. For example, the intensive construction of a large number of communication base stations, the continuous operation of numerous electrical equipment in industrial areas, the high -intensity electromagnetic field generated thereby constantly interferes with the power transmission signal of high -voltage transmission line, resulting in increased loss of electric energy in the transmission process, poor signal stability and other problems, which seriously affects the efficiency and quality of power transmission, and the shield needs to be installed on the surface of high -voltage transmission line for anti -interference treatment;
[0004] The existing shield needs to use large -scale professional tools in the installation process, and the operation is complex in the installation process, and the technical requirements of the installation personnel are extremely high, thereby increasing the difficulty and cost of installation, therefore, the high -voltage transmission line anti -interference shield is provided. UTILITY MODEL CONTENT
[0005] TECHNICAL SCHEME
[0006] To achieve the above object, the utility model provides the following technical scheme: high -voltage transmission line anti -interference shield, including shield, the inside and the outer wall of shield are provided with mounting mechanism, the outside of shield is provided with closure mechanism;
[0007] The mounting mechanism includes clamping part and control part;
[0008] The clamping part includes two control plates and two clamping rings, and the control part includes a fixed frame and two connecting rings;
[0009] Two through grooves are formed in the outer wall of the shield, two limit rods are fixedly arranged on the inner walls of the two through grooves, two groups of moving blocks are slidably arranged on the surfaces of the two limit rods, the two control plates and the two clamping rings are located on the inner side of the shield, two groups of push plates are hingedly arranged on the proximal sides of the two groups of moving blocks, the two groups of push plates are hingedly connected to the distal sides of the two control plates, the distal sides of the two control plates are fixedly connected to the distal sides of the two clamping rings, the surface of the shield is slidably connected to the inner sides of the two connecting rings, and the inner sides of the two connecting rings are fixedly connected to the distal sides of the two groups of moving blocks.
[0010] Preferably, the closing mechanism comprises two connecting rails, the shielding cover surface is fixedly connected with the inner side of the two connecting rails, the surface of the two connecting rails is slidably sleeved with a closing plate, and the outer wall of the shielding cover is provided with a placing opening.
[0011] Preferably, the outer wall of the shielding cover is fixedly connected with the side of the fixing frame close to the shielding cover, the outer wall of the fixing frame is provided with a rectangular groove, two push rods are hingedly arranged on the side close to each other of the two connecting rings respectively, and the side close to each other of the two push rods extends through the rectangular groove to the outer side of the fixing frame.
[0012] Preferably, the side close to each other of the two push rods is hingedly provided with a moving plate, the outer wall of the fixing frame is fixedly provided with a threaded rod, the side close to the moving plate of the threaded rod extends through the outer wall of the moving plate to the side away from the fixing frame of the moving plate, the side away from the fixing frame of the moving plate is rotatably provided with a nut through a bearing seat, and the inner side of the nut is threadedly connected with the surface of the threaded rod.
[0013] Preferably, the outer wall of the fixing frame is fixedly provided with a limiting plate, the side close to the moving plate of the limiting plate extends through the outer wall of the moving plate to the side away from the fixing frame of the moving plate, and the materials of the shielding cover, the two clamping rings and the two control plates are all metal aluminum.
[0014] Preferably, the surface of the closing plate is fixedly provided with a connecting frame, the outer wall of the connecting frame is threadedly provided with a bolt extending to the inner side of the connecting frame, and the surface of the shielding cover is provided with a threaded hole corresponding to the bolt.
[0015] Beneficial effects
[0016] Compared with the prior art, the high-voltage transmission line anti-interference shielding cover has the following beneficial effects:
[0017] 1. The installation mechanism is manually rotated, the moving plate is guided to move by the threaded rod and the limiting plate, the connecting ring is close to each other by the moving plate and the push rod, the connecting ring drives the moving block to slide on the limiting rod, the control plate is close to each other by the moving block and the push plate, and finally the clamping ring is tightly attached to the surface of the high-voltage transmission line. This installation method does not require complex tools and can be completed by manual operation, significantly improving the installation efficiency. The stable cooperation of the moving block and the limiting rod and the effective hinging of the push plate ensure that the clamping ring can be firmly clamped, resist external interference for a long time, effectively protect the high-voltage transmission line from external electromagnetic interference, and maintain the stable operation of the transmission line.
[0018] 2. The closing mechanism works in conjunction with the sliding closing plate via the connecting rail. After the shielding cover is installed on the high-voltage transmission line, the closing plate can slide smoothly along the connecting rail, accurately blocking the placement opening of the shielding cover. At the same time, with the help of the connecting bracket and bolts, when the bolts are screwed into the threaded holes, it can effectively resist the influence of external factors such as strong winds and vibrations, prevent the closing plate from opening accidentally, ensure the overall sealing of the shielding cover, and effectively block external electromagnetic interference and harsh environmental factors such as dust and moisture from invading the high-voltage transmission line. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural schematic diagram of the present utility model;
[0020] Figure 2 This is a three-dimensional schematic diagram of the installation mechanism of this utility model;
[0021] Figure 3 This is a three-dimensional schematic diagram of the internal structure of the installation mechanism of this utility model;
[0022] Figure 4 This is a three-dimensional schematic diagram of the closing mechanism of this utility model;
[0023] Figure 5 This utility model Figure 2 Enlarged 3D schematic diagram of area A in the middle.
[0024] In the diagram: 1. Shielding cover; 2. Mounting mechanism; 21. Connecting ring; 22. Push rod; 23. Fixing frame; 24. Moving block; 25. Limiting rod; 26. Control panel; 27. Clamping ring; 28. Push plate; 29. Moving plate; 210. Threaded rod; 211. Nut; 212. Limiting plate; 3. Closing mechanism; 31. Connecting rail; 32. Closing plate; 33. Threaded hole; 34. Connecting frame; 35. Bolt. Detailed Implementation
[0025] 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.
[0026] Example 1
[0027] like Figures 1-5 As shown, this embodiment proposes a shielding cover 1, with an installation mechanism 2 provided on both the inner side and the outer wall of the shielding cover 1, and a closing mechanism 3 provided on the outer side of the shielding cover 1.
[0028] The mounting mechanism 2 includes a clamping part and a control part;
[0029] The clamping part comprises two control plates 26 and two clamping rings 27, and the control part comprises a fixed frame 23 and two connecting rings 21;
[0030] Two limiting rods 25 are fixedly arranged on the inner walls of the two through grooves, and two groups of moving blocks 24 are slidably arranged on the surfaces of the two limiting rods 25. The two control plates 26 and the two clamping rings 27 are located inside the shielding cover 1. Two groups of push plates 28 are hingedly arranged on the sides of the two groups of moving blocks 24. The two groups of push plates 28 are hingedly connected to the sides away from the two control plates 26. The sides away from the two control plates 26 are fixedly connected to the sides away from the two clamping rings 27. The surface of the shielding cover 1 is slidably connected to the inner sides of the two connecting rings 21. The inner sides of the two connecting rings 21 are fixedly connected to the sides away from the two groups of moving blocks 29. The outer wall of the fixed frame 23 is provided with a rectangular groove. Two push rods 22 are hingedly arranged on the sides of the two connecting rings 21. The two push rods 22 extend to the outside of the fixed frame 23 through the rectangular groove. The two push rods 22 are hingedly arranged with moving plates 29. A threaded rod 210 is fixedly arranged on the outer wall of the fixed frame 23. The threaded rod 210 extends to the side away from the fixed frame 23 through the outer wall of the moving plate 29. A nut 211 is rotatably arranged on the side away from the fixed frame 23 of the moving plate 29 through a bearing seat. The inner side of the nut 211 is threadedly connected to the surface of the threaded rod 210. A limiting plate 212 is fixedly arranged on the outer wall of the fixed frame 23. The limiting plate 212 extends to the side away from the fixed frame 23 through the outer wall of the moving plate 29. The materials of the shielding cover 1, the two clamping rings 27, and the two control plates 26 are all aluminum.
[0031] In this embodiment,
[0032] Embodiment 2
[0033] As Figures 1-5 shown, based on the same concept as in Embodiment 1, this embodiment further proposes that the closing mechanism 3 comprises two connecting rails 31. The surface of the shielding cover 1 is fixedly connected to the inner sides of the two connecting rails 31. The surfaces of the two connecting rails 31 are slidably sleeved with closing plates 32. The outer wall of the shielding cover 1 is provided with a placing opening. The surface of the closing plate 32 is fixedly provided with a connecting frame 34. A bolt 35 is threadedly arranged on the outer wall of the connecting frame 34 and extends to the inner side of the connecting frame 34. The surface of the shielding cover 1 is provided with a threaded hole 33 corresponding to the bolt 35.
[0034] In this embodiment,
[0035] In use, the closing plate 32 is opened, the shielding cover 1 is sleeved on the surface of the high-voltage transmission line after being opened, the nut 211 is manually controlled to rotate, the moving plate 29 can be moved through the threaded rod 210 and the limiting plate 212 when the nut 211 rotates, the two connecting rings 21 can be moved close to each other through the two push rods 22 during the movement of the moving plate 29, the two groups of moving blocks 24 can be synchronously moved when the two connecting rings 21 move close to each other, the two control plates 26 can move close to each other through the two groups of push plates 28 when the two groups of moving blocks 24 move close to each other, the two clamping rings 27 can move close to each other when the two control plates 26 move close to each other, the two clamping rings 27 can contact the surface of the high-voltage transmission line when the two clamping rings 27 move close to each other, and then the shielding cover 1 can be fixed on the surface of the high-voltage transmission line.
[0036] After being fixed, the closing plate 32 is manually controlled to move, the closing plate 32 is moved to block the placing opening, the connecting frame 34 and the bolt 35 are synchronously moved when the closing plate 32 moves, and the closing plate 32 is fixed by rotating the bolt 35 after the bolt 35 corresponds to the threaded hole 33.
[0037] The above is only a specific embodiment of the utility model, but the technical features of the utility model are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the utility model to solve the basically same technical problem and realize the basically same technical effect is covered in the protection scope of the utility model.
Claims
1. Anti-interference shield for high-voltage power lines, comprising a shield (1), characterized in that: The inner side and the outer wall of the shielding cover (1) are provided with mounting mechanisms (2), and the outer side of the shielding cover (1) is provided with a closing mechanism (3); The mounting mechanism (2) comprises clamping portions and control portions; The clamping portions comprise two control plates (26) and two clamping rings (27), and the control portions comprise a fixed frame (23) and two connecting rings (21); Two limiting rods (25) are fixedly arranged on the inner walls of two through grooves formed in the outer wall of the shielding cover (1), two groups of moving blocks (24) are slidably arranged on the surfaces of the two limiting rods (25), respectively, the two control plates (26) and the two clamping rings (27) are located on the inner side of the shielding cover (1), two groups of push plates (28) are hingedly arranged on the sides of the two groups of moving blocks (24) that are close to each other, the sides of the two groups of push plates (28) that are close to each other are hingedly connected to the sides of the two control plates (26) that are away from each other, the sides of the two control plates (26) that are away from each other are fixedly connected to the sides of the two clamping rings (27) that are away from each other, the surface of the shielding cover (1) is slidably connected to the inner sides of the two connecting rings (21), and the inner sides of the two connecting rings (21) are fixedly connected to the sides of the two groups of moving blocks (24) that are away from each other.
2. The high-voltage power line anti-interference shield according to claim 1, characterized in that: The closing mechanism (3) comprises two connecting rails (31), the surface of the shielding cover (1) is fixedly connected to the inner sides of the two connecting rails (31), the surfaces of the two connecting rails (31) are slidably provided with closing plates (32), and the outer wall of the shielding cover (1) is provided with a placing opening.
3. The high-voltage power line anti-interference shield according to claim 1, characterized in that: The outer wall of the shielding cover (1) is fixedly connected to the side of the fixed frame (23) that is close to the shielding cover (1), a rectangular groove is formed in the outer wall of the fixed frame (23), two push rods (22) are hingedly arranged on the sides of the two connecting rings (21) that are close to each other, and the sides of the two push rods (22) that are close to each other extend through the rectangular groove and protrude out of the outer side of the fixed frame (23).
4. The high-voltage power line anti-interference shield according to claim 3, characterized in that: The sides of the two push rods (22) that are close to each other are hingedly provided with moving plates (29), a threaded rod (210) is fixedly arranged on the outer wall of the fixed frame (23), one side of the threaded rod (210) that is close to the moving plate (29) extends through the outer wall of the moving plate (29) and protrudes out of the side of the moving plate (29) that is away from the fixed frame (23), a nut (211) is rotatably arranged on the side of the moving plate (29) that is away from the fixed frame (23) through a bearing seat, and the inner side of the nut (211) is threadedly connected to the surface of the threaded rod (210).
5. The EHV power transmission line anti- disturbance shield of claim 1, wherein: A limiting plate (212) is fixedly arranged on the outer wall of the fixed frame (23), one side of the limiting plate (212) that is close to the moving plate (29) extends through the outer wall of the moving plate (29) and protrudes out of the side of the moving plate (29) that is away from the fixed frame (23), and the materials of the shielding cover (1), the two clamping rings (27) and the two control plates (26) are all metal aluminum.
6. The high voltage power line anti- tamper shield of claim 2, wherein: A connecting frame (34) is fixedly arranged on the surface of the closing plate (32), a bolt (35) is threadedly arranged on the outer wall of the connecting frame (34) and extends to the inner side of the connecting frame (34), and a threaded hole (33) corresponding to the bolt (35) is formed in the surface of the shielding cover (1).