Lightning arrester for power transmission line

Abstract

The utility model relates to the technical field of power system protection, and discloses a power transmission line lightning arrester comprising an insulating housing, the bottom of the insulating housing is provided with an adjusting seat convenient for rotation, the bottom of the adjusting seat is in threaded connection with a grounding wire used for protection, and the grounding wire is provided with a grounding wire. A bearing rod used for adjusting the angle is clamped to one side of the insulating shell, and a supporting rod used for keeping stability is fixedly installed at the bottom of the bearing rod. According to the power transmission line lightning arrester, through cooperative arrangement of the adjusting seat and the bearing rod, the angle of the device can be adjusted according to needs during use, the device is more convenient to install, the time required for installation of the device is reduced, and through arrangement of the adjusting seat, the device can be kept stable during use, and the device is more convenient to install. And by arranging a bearing rod, the device can rotate and be fixed at a required angle by changing the height, so that the convenience of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of power system protection, in particular to a lightning protection device for a power transmission line. Background Art

[0002] A lightning arrester for power transmission lines is a device used to protect power transmission line equipment from damage caused by lightning strikes. The main function of a lightning arrester is to direct lightning into the ground during lightning weather to prevent lightning from directly hitting the power transmission line equipment, thereby protecting the equipment from damage. A lightning arrester can also reduce the impact of lightning on transmission lines and ensure the normal operation of the power grid.

[0003] Chinese patent publication number CN219350938U discloses a lightning protection device for a power transmission line, comprising a first lightning rod, a metal semicircle is installed below the first lightning rod, an iron ring is installed on the periphery of the metal semicircle, a second lightning rod is installed on the outer side of the iron ring, a fan blade is installed on the outer end of the second lightning rod, a first iron column is installed directly below the metal semicircle, a bearing is installed below the first iron column, and a second iron column is installed below the bearing. The lightning protection device for a power transmission line is provided with a second lightning rod and fan blades. By using wind power, the fan blades can be blown to drive the second lightning rod to rotate, thereby attracting lightning in all directions. In the process of lightning protection of the entire lightning protection device, the lightning protection is more comprehensive, avoiding the harm caused by the inability to more comprehensively protect the lightning, resulting in increased costs and dangers to personnel during the power transmission process.

[0004] However, the utility model has the following problems when actually used:

[0005] 1. When the utility model is in use, the angle cannot be adjusted as needed, which makes it inconvenient to connect the device to the power transmission line, resulting in a long installation time and affecting the convenience of the device;

[0006] 2. When the utility model is in use, the device cannot be fixed on electric poles of different diameters, which reduces the use scenarios of the device and the practicability of the device is low. Utility Model Content

[0007] 1. Technical issues to be resolved

[0008] In order to overcome the above-mentioned defects of the prior art, the utility model provides a transmission line lightning protection device, which solves the problems in the prior art:

[0009] 1. When the utility model is in use, the angle cannot be adjusted as needed, which makes it inconvenient to connect the device to the power transmission line, resulting in a long installation time and affecting the convenience of the device;

[0010] 2. When the utility model is in use, the device cannot be fixed on electric poles of different diameters, which reduces the use scenarios of the device and the practicality of the device is low.

[0011] (II) Technical solution

[0012] To achieve the above objectives, the utility model is implemented through the following technical solutions: a lightning protection device for a power transmission line, comprising an insulating shell, the bottom of the insulating shell is provided with an adjustment seat for easy rotation, the bottom of the adjustment seat is threadedly connected with a grounding wire for protection, one side of the insulating shell is clamped with a load-bearing rod for adjusting the angle, and the bottom of the load-bearing rod is fixedly installed with a support rod for maintaining stability.

[0013] Optionally, a fixing ring for facilitating assembly is fixedly connected to one side of the insulating shell, and a core column for dissipating power is threadedly connected to the inside of the insulating shell.

[0014] Optionally, a limiting rod for facilitating installation is fixedly connected to the bottom of the insulating shell, and an assembly column for connecting a circuit is fixedly installed on the top of the insulating shell.

[0015] Optionally, an insulating pad for preventing conduction is fixedly connected to the bottom of the adjustment seat, a connecting rod for limiting the position is fixedly connected to the top of the adjustment seat, and the top of the connecting rod is fixedly mounted to the bottom of the assembly column.

[0016] Optionally, a conductive ring for positioning is fixedly connected to the bottom of the grounding wire, and a ground nail for connecting to the ground is clamped on the inner wall of the conductive ring.

[0017] Optionally, a stabilizing plate for preventing shaking is fixedly connected to the bottom of the load-bearing rod, and a rib plate for preventing tilting is fixedly connected to one side of the load-bearing rod.

[0018] Optionally, a lifting structure for adjusting the height is fixedly connected to the top of the load-bearing rod, and the top of the lifting structure is fixedly mounted to one end of a fixing ring.

[0019] Optionally, a bolt for adjusting the gap is threadedly connected to one side of the support rod, and a fastening plate for preventing sliding is threadedly connected to one end of the bolt.

[0020] (III) Beneficial effects

[0021] The utility model provides a transmission line lightning protection device, which has the following beneficial effects:

[0022] 1. The transmission line lightning protection device, through the coordinated setting of the adjustment seat and the load-bearing rod, can adjust the angle of the device as needed during use, making the device more convenient to install and reducing the time required for installation. The setting of the adjustment seat can change the angle of the device while keeping it stable during use, so that the device can be connected to the transmission line more quickly as needed. The setting of the load-bearing rod can rotate the device by changing the height and fix it at the required angle, thereby increasing the convenience of the device.

[0023] 2. The lightning protection device for power transmission lines can be fixed on electric poles of different diameters by setting support poles, which improves the usage scenario of the device. The setting of support poles can keep the device stable on different electric poles by changing the gap to avoid sliding. At the same time, when the device fails, it can be disassembled more conveniently, which reduces the maintenance time of the device and increases the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the structure of the utility model;

[0025] Figure 2 This is a schematic diagram of the support rod structure of the utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the grounding wire of the utility model;

[0027] Figure 4 This is a schematic diagram of the insulating housing structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the structure of the clamping rod of the utility model;

[0029] Figure 6 This is a schematic diagram of the screw structure of the utility model;

[0030] Figure 7 This is a schematic diagram of the slide bar structure of the utility model.

[0031] In the figure: 1. Insulating shell; 2. Adjusting seat; 3. Grounding wire; 4. Load-bearing rod; 5. Support rod; 6. Fixing ring; 7. Core column; 8. Limiting rod; 9. Assembly column; 10. Insulating pad; 11. Connecting rod; 12. Conductive ring; 13. Ground nail; 14. Stabilizing plate; 15. Rib plate; 16. Lifting structure; 1601. Fixing rod; 1602. Screw rod; 1603. Sliding rod; 17. Bolt; 18. Fastening plate. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] See also Figure 1 , Figure 5 , Figure 6 and Figure 7 The utility model provides a technical solution: a lightning protection device for a power transmission line, in order to enable the device to adjust the angle as needed during use, so that the device is more convenient to install, an adjustment seat 2 and a load-bearing rod 4 are provided;

[0034] The bottom of the insulating shell 1 is provided with an adjustment seat 2 for easy rotation, a load-bearing rod 4 for adjusting the angle is clamped on one side of the insulating shell 1, an insulating pad 10 for preventing conduction is fixedly connected to the bottom of the adjustment seat 2, a connecting rod 11 for limiting the position is fixedly connected to the top of the adjustment seat 2, the top of the connecting rod 11 is fixedly installed with the bottom of the assembly column 9, a stabilizing plate 14 for preventing shaking is fixedly connected to the bottom of the load-bearing rod 4, a rib 15 for preventing tilting is fixedly connected to one side of the load-bearing rod 4, a lifting structure 16 for adjusting the height is fixedly connected to the top of the load-bearing rod 4, and the top of the lifting structure 16 is fixedly installed with one end of the fixing ring 6, so that the insulating pad 10 The setting can prevent lightning from being transmitted to the device through the adjustment seat 2 and prevent power leakage. The setting of the connecting rod 11 can limit the position of the parts on the device and guide the electricity generated by lightning. The setting of the stabilizing plate 14 can make the assembly of the load-bearing rod 4 more convenient and prevent the load-bearing rod 4 from sliding on the device. The setting of the rib plate 15 can increase the strength of the load-bearing rod 4, prevent the load-bearing rod 4 from tilting, and increase the stability of the load-bearing rod 4. The setting of the lifting structure 16 can change the angle of the device by changing the height, thereby making the device more convenient to connect to the transmission line, increasing the use scenarios of the device, and thus increasing the convenience of the device.

[0035] See also Figure 1 and Figure 2 In order to enable the device to be fixed on electric poles of different diameters when in use, a support rod 5 is provided;

[0036] A support rod 5 for maintaining stability is fixedly installed at the bottom of the load-bearing rod 4, and a bolt 17 for adjusting the gap is threadedly connected to one side of the support rod 5, and a fastening plate 18 for preventing sliding is threadedly connected to one end of the bolt 17. Therefore, the setting of the bolt 17 can change the interval between the fastening plate 18 and the support rod 5 by rotation, so that the fastening plate 18 is fixed more firmly. The setting of the fastening plate 18 can fix the support rod 5 on electric poles of different diameters, thereby maintaining the stability of the device and increasing the practicality of the device.

[0037] See also Figure 1 and Figure 3 , in order to enable the device to lead lightning into the ground when in use, an insulating housing 1 and a grounding wire 3 are provided;

[0038] The bottom of the insulating shell 1 is provided with an adjustment seat 2 for easy rotation, the bottom of the adjustment seat 2 is threadedly connected with a grounding wire 3 for protection, a fixing ring 6 for easy assembly is fixedly connected to one side of the insulating shell 1, the inner thread of the insulating shell 1 is connected with a core column 7 for conducting power, the bottom of the insulating shell 1 is fixedly connected with a limit rod 8 for easy installation, the top of the insulating shell 1 is fixedly installed with an assembly column 9 for connecting the circuit, the bottom of the grounding wire 3 is fixedly connected with a conductive ring 12 for positioning, and the inner wall of the conductive ring 12 is clamped with a ground nail 13 for connecting to the ground, so the fixing ring 6 The setting can keep the insulating shell 1 stable and prevent the insulating shell 1 from shaking. The setting of the core column 7 can guide the electricity generated by lightning to prevent damage to the circuit. The setting of the limit rod 8 can rotate the insulating shell 1, so as to change the angle as needed. The setting of the assembly column 9 can make the insulating shell 1 more convenient to connect to the transmission line. The setting of the conductive ring 12 can transmit electricity to the ground nail 13 and then to the ground. The setting of the ground nail 13 can limit the position of the grounding wire 3 to prevent the grounding wire 3 from being separated from the ground, thereby increasing the protection of the device.

[0039] Embodiment 1: The lifting structure 16 includes a fixing rod 1601, which is fixedly connected to the top of the lifting structure 16. The setting of the fixing rod 1601 can prevent the lifting structure 16 from sliding after the height is adjusted, thereby avoiding the angle change of the device and increasing the stability of the device;

[0040] Embodiment 2: The lifting structure 16 includes a screw rod 1602, which is fixedly connected to the top of the lifting structure 16. The setting of the screw rod 1602 can change the height of the lifting structure 16 by rotating, making it more convenient to adjust the height of the lifting structure 16, reducing the time required for adjustment, and increasing the convenience of the device;

[0041] Embodiment 3: The lifting structure 16 includes a slide bar 1603, which is fixedly connected to the top of the lifting structure 16. The setting of the slide bar 1603 allows the lifting structure 16 to be fine-tuned as needed, so that the lifting structure 16 can be adjusted to a suitable height, thereby reducing the force applied to the device in the transmission line and increasing the practicability of the device.

[0042] In the utility model, the working steps of the device are as follows:

[0043] First, the device is fixed on the electric pole through the support rod 5. Secondly, the height of the load-bearing rod 4 is adjusted as needed to change the angle of the insulating shell 1 to facilitate the connection of the device with the transmission line. The transmission line is then connected to the device through the assembly column 9 on the insulating shell 1. Finally, when lightning strikes, the device can guide the current through the core column 7 inside the insulating shell 1, so that the current is transmitted to the grounding wire 3 through the adjustment seat 2, thereby conducting the current into the ground to prevent damage to the line.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lightning protection device for a power transmission line, comprising an insulating housing (1), characterized in that: The bottom of the insulating housing (1) is provided with an adjustment seat (2) for easy rotation, the bottom of the adjustment seat (2) is threadedly connected with a grounding wire (3) for protection, one side of the insulating housing (1) is clamped with a load-bearing rod (4) for adjusting the angle, and the bottom of the load-bearing rod (4) is fixedly installed with a support rod (5) for maintaining stability.

2. A lightning protection device for power transmission lines according to claim 1, characterized in that: A fixing ring (6) for facilitating assembly is fixedly connected to one side of the insulating shell (1), and a core column (7) for dissipating electric power is threadedly connected to the inside of the insulating shell (1).

3. A lightning protection device for power transmission lines according to claim 2, characterized in that: A limiting rod (8) for easy installation is fixedly connected to the bottom of the insulating housing (1), and an assembly column (9) for connecting a circuit is fixedly installed on the top of the insulating housing (1).

4. A lightning protection device for power transmission lines according to claim 1, characterized in that: The bottom of the adjustment seat (2) is fixedly connected to an insulating pad (10) for preventing conduction, the top of the adjustment seat (2) is fixedly connected to a connecting rod (11) for limiting the position, and the top of the connecting rod (11) is fixedly mounted to the bottom of the assembly column (9).

5. A lightning protection device for power transmission lines according to claim 1, characterized in that: A conductive ring (12) for positioning is fixedly connected to the bottom of the grounding wire (3), and a ground nail (13) for connecting to the ground is clamped on the inner wall of the conductive ring (12).

6. A lightning protection device for power transmission lines according to claim 1, characterized in that: A stabilizing plate (14) for preventing shaking is fixedly connected to the bottom of the load-bearing rod (4), and a rib plate (15) for preventing tilting is fixedly connected to one side of the load-bearing rod (4).

7. A lightning protection device for power transmission lines according to claim 2, characterized in that: A lifting structure (16) for adjusting the height is fixedly connected to the top of the load-bearing rod (4), and the top of the lifting structure (16) is fixedly mounted to one end of the fixing ring (6).

8. A lightning protection device for power transmission lines according to claim 1, characterized in that: A bolt (17) for adjusting the gap is threadedly connected to one side of the support rod (5), and a fastening plate (18) for preventing sliding is threadedly connected to one end of the bolt (17).

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