Assembled electric porcelain insulator

Abstract

The utility model relates to the technical field of electric porcelain insulators, in particular to an assembled electric porcelain insulator, which comprises a first core rod, a lightning protection mechanism is arranged at the top end of the first core rod and comprises a lower connecting block fixedly connected to the top end of the first core rod, and an upper connecting block is arranged above the lower connecting block. The top end of the upper connecting block is rotationally connected with an upper threaded nail, the upper threaded nail is in threaded connection with the top end of the lower connecting block, an inner threaded groove is formed in the bottom end of the upper threaded nail, the interior of the inner threaded groove is in threaded connection with a lower threaded nail, and a heightening base is arranged above the lower threaded nail and fixedly connected to the top end of the upper connecting block. A lightning rod body is fixedly connected into the heightening base. The lower connecting block and the upper connecting block are connected through the upper threaded nail, connection between the lower connecting block and the upper connecting block is reinforced through matching of the lower threaded nail and the inner threaded groove, the lower connecting block and the upper connecting block are prevented from toppling over, and the defense effect on side lightning is improved through matching of the umbrella-shaped support and the metal needle.

Description

Technical Field

[0001] The utility model relates to the technical field of electric porcelain insulators, in particular to an assembled electric porcelain insulator. Background Art

[0002] Insulators are devices installed between conductors of different potentials or between conductors and ground potential components. They can withstand voltage and mechanical stress. They are a special type of insulating control that can play an important role in overhead transmission lines. In the early years, insulators were mostly used on utility poles. Gradually, they developed into high-type high-voltage power line connection towers with many disc-shaped insulators hung at one end. It is to increase the creepage distance and is usually made of glass or ceramics, which is called an insulator.

[0003] After searching, the patent document with publication number CN216311473U proposes an assembled electric porcelain insulator: the utility model relates to the technical field of insulators, and discloses an assembled electric porcelain insulator, which solves the problem that the current insulators are usually an integral fixed structure and are inconvenient to disassemble and install. It includes a first core rod, the lower end of the first core rod is connected to the second core rod, the lower end of the second core rod is connected to the base, the middle part of the upper end of the base is connected to a disassembly assembly, and the upper end of the first core rod is connected to a mounting block. In this utility model, the rotation of the first core rod drives the threaded rod to rotate, and because the threaded rod is threadedly connected to the thread groove, the first core rod and the second core rod are separated, and then the second core rod drives the fixed block to rotate. When the fixed block is located at the opening of the L-shaped slot, the second core rod is pulled upward to separate the second core rod from the base, making the device easy to disassemble and install; the protective cover is forced to move downward to compress the compression spring, thereby reducing the impact force on the protective cover, thereby better protecting the device and preventing the device from being damaged by external force.

[0004] The above technical solution is usually installed in overhead transmission lines during use. The existing porcelain insulators have no protection and are often struck by lightning during thunderstorms. Once struck by lightning, large-scale power outages will occur in the transmission lines.

[0005] Therefore, it is necessary to invent an assembled electric porcelain insulator to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide an assembled electric porcelain insulator, which realizes the lightning protection work of the insulator by cooperating with the first core rod and the lightning protection mechanism to solve the problem in the prior art that the insulator is often struck by lightning during thunderstorms. Once the transmission line is struck by lightning, a large area of ​​power outage will occur.

[0007] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: an assembled electric porcelain insulator, comprising a first core rod, a lightning protection mechanism being provided at the top end of the first core rod, the lightning protection mechanism comprising a lower connecting block fixedly connected to the top end of the first core rod, an upper connecting block being provided above the lower connecting block, the top end of the upper connecting block being rotatably connected to an upper threaded nail, the upper threaded nail being threadedly connected to the top end of the lower connecting block, an internal threaded groove being provided at the bottom end of the upper threaded nail, the internal thread of the internal threaded groove being connected to the lower threaded nail, an elevated seat being provided above the lower threaded nail, the elevated seat being fixedly connected to the top end of the upper connecting block, the interior of the elevated seat being fixedly connected to a lightning rod body, the elevated seat being reinforced by the cooperation of parts such as the upper threaded nail to prevent it from tipping over and losing its lightning protection function.

[0008] Preferably, a metal needle is fixedly connected to the outer side wall of the lightning rod body, and a plurality of groups of umbrella-shaped brackets are fixedly connected to the outer side wall of the metal needle, and the umbrella-shaped brackets are supported by the metal needle.

[0009] Preferably, the surface of the metal needle is paved with a metal mesh, and the umbrella-shaped bracket is made of aluminum alloy, and the cooperation between the umbrella-shaped bracket and the metal needle prevents side lightning strikes.

[0010] Preferably, a clamping groove is provided on the side of the lower connecting block opposite to the upper connecting block, the top wall of the upper connecting block is slidably connected to a sliding rod, the bottom end of the sliding rod is fixedly connected to a clamping arc plate, and the clamping arc plate is used to clamp the cable.

[0011] Preferably, the bottom end of the clamping arc plate is fixedly connected to a rubber pad, the outer wall of the sliding rod is sleeved with a clamping spring, the top end of the clamping spring is fixedly connected to the top wall of the upper connecting block, and the clamping spring is used to increase the clamping force of the cable.

[0012] Preferably, the bottom end of the first core rod is fixedly connected to a connecting threaded rod, a second core rod is arranged below the connecting threaded rod, a connecting threaded groove is opened at the top end of the second core rod, the connecting threaded rod is threadedly connected to the connecting threaded groove, and the connecting threaded rod and the connecting threaded groove are used to facilitate the assembly of the first core rod and the second core rod to improve convenience.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. Through the cooperation of the first core rod and the lightning protection mechanism, the upper connecting block and the lightning rod body are used to achieve the initial lightning protection function. The lower connecting block is connected to the upper connecting block through the upper threaded nail, and the connection between the lower connecting block and the upper connecting block is reinforced by the cooperation of the lower threaded nail and the internal thread groove to prevent it from tipping over. The umbrella-shaped bracket and the metal needle are used to improve the defense effect against lightning strikes from the opposite side.

[0015] 2. Through the coordination of the clamping groove, clamping arc plate, sliding rod, rubber pad and clamping spring, the cable is clamped by the coordination of the clamping arc plate and the rubber pad. The coordination of the sliding rod and the clamping spring increases the clamping force of the clamping arc plate on the cable, thereby preventing the cable from loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments described in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 This is a schematic diagram of the overall structure of the utility model from a first perspective;

[0018] Figure 2 This is a schematic diagram of the overall structure of the utility model from a second perspective;

[0019] Figure 3 This is a schematic diagram of the first core rod structure of the present utility model;

[0020] Figure 4 This is a schematic diagram of the internal structure of the upper threaded nail of the present utility model;

[0021] Figure 5 This is a schematic diagram of the local structure of the upper connecting block of the present utility model.

[0022] Description of reference numerals:

[0023] 1. First core rod; 2. Lightning protection mechanism; 201. Lower connecting block; 202. Upper connecting block; 203. Upper threaded nail; 204. Heightening seat; 205. Lightning rod body; 206. Lower threaded nail; 207. Internal threaded groove; 3. Second core rod; 4. Clamping groove; 5. Clamping arc plate; 6. Connecting threaded rod; 7. Connecting threaded groove; 8. Sliding rod; 9. Rubber pad; 10. Clamping spring; 11. Umbrella-shaped bracket; 12. Metal needle. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0025] The utility model provides Figure 1-5The assembled electric porcelain insulator shown in the figure includes a first core rod 1, and a lightning protection mechanism 2 is provided at the top of the first core rod 1. The lightning protection mechanism 2 includes a lower connecting block 201 fixedly connected to the top of the first core rod 1, and an upper connecting block 202 is provided above the lower connecting block 201. The top of the upper connecting block 202 is rotatably connected with an upper threaded nail 203, and the upper threaded nail 203 is threadedly connected to the top of the lower connecting block 201. The lower connecting block 201 is preliminarily connected through the upper threaded nail 203. The bottom end of the upper threaded nail 203 is provided with an internal thread groove 207, and the internal thread of the internal thread groove 207 is connected to the lower threaded nail 206. The connection is reinforced by the lower threaded nail 206 and the internal thread groove 207. A raising seat 204 is provided above the lower threaded nail 206, and the raising seat 204 is fixedly connected to the top of the upper connecting block 202. The interior of the seat 204 is fixedly connected to the lightning rod body 205, and the raised seat 204 is reinforced by the cooperation of parts such as the upper threaded nail 203 to prevent it from tipping over and losing its lightning protection function. The outer wall of the lightning rod body 205 is fixedly connected to the metal needle 12, and the outer wall of the metal needle 12 is fixedly connected to several groups of umbrella-shaped brackets 11. The metal needle 12 is used to support the umbrella-shaped bracket 11. The surface of the metal needle 12 is covered with a metal mesh. The material of the umbrella-shaped bracket 11 is aluminum alloy. The cooperation between the umbrella-shaped bracket 11 and the metal needle 12 prevents side lightning strikes. After lightning strikes the metal mesh or metal needle 12 of the lower umbrella structure, the current is conducted to the second core rod 3 through the metal mesh or metal needle 12. The second core rod 3 conducts the current to the lightning rod body 205 and connects it to the ground through the down conductor to avoid harm to people or facilities near the lightning rod.

[0026] Refer to the instruction manual Figure 1-5 A clamping groove 4 is provided on the side opposite to the lower connecting block 201 and the upper connecting block 202. The cable is placed through the clamping groove 4. The top wall of the upper connecting block 202 is slidably connected to a sliding rod 8. The bottom end of the sliding rod 8 is fixedly connected to a clamping arc plate 5. The cable is clamped by the clamping arc plate 5. The bottom end of the clamping arc plate 5 is fixedly connected to a rubber pad 9. The outer wall of the sliding rod 8 is provided with a clamping spring 10. The top end of the clamping spring 10 is fixedly connected to the top wall of the upper connecting block 202. The clamping spring 10 is used to increase the clamping force of the cable. The bottom end of the first core rod 1 is fixedly connected to a connecting threaded rod 6. A second core rod 3 is provided below the connecting threaded rod 6. A connecting threaded groove 7 is provided at the top of the second core rod 3. The connecting threaded rod 6 is threadedly connected to the connecting threaded groove 7. The connecting threaded rod 6 and the connecting threaded groove 7 are used to facilitate the assembly of the first core rod 1 and the second core rod 3 to improve convenience. The clamping groove 4, the clamping arc plate 5, the sliding rod 8, the rubber pad 9 and the clamping spring 10 are coordinated, and the cable is clamped by the clamping arc plate 5 and the rubber pad 9. The sliding rod 8 and the clamping spring 10 increase the clamping force of the clamping arc plate 5 on the cable, thereby preventing the cable from loosening.

[0027] This utility works as follows:

[0028] Refer to the instruction manual Figure 1-5 During thunderstorms, if lightning strikes the metal mesh or metal needles 12 of the lower umbrella-shaped structure, the current is conducted to the second core rod 3 through the metal mesh or metal needles 12. The second core rod 3 conducts the current to the lightning rod body 205 and connects it to the ground through the down conductor, thereby avoiding harm to people or facilities near the lightning rod. When the lightning rod body 205 needs to be installed, the lower connecting block 201 is connected to the upper connecting block 202 through the upper threaded nail 203, and the lower threaded nail 206 and the internal threaded groove 207 are used to reinforce the connection between the lower connecting block 201 and the upper connecting block 202 to prevent it from tipping over.

[0029] Refer to the instruction manual Figure 1-5 When the cable needs to be clamped, the cable is placed through the clamping groove 4, the cable is clamped by the clamping arc plate 5, and the clamping spring 10 is used to increase the clamping force of the cable to prevent the cable from loosening. The connecting threaded rod 6 and the connecting threaded groove 7 are used to facilitate the assembly of the first core rod 1 and the second core rod 3 to improve convenience.

[0030] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An assembled electric porcelain insulator, comprising a first core rod (1), characterized in that: A lightning protection mechanism (2) is provided at the top of the first core rod (1), and the lightning protection mechanism (2) includes a lower connecting block (201) fixedly connected to the top of the first core rod (1), an upper connecting block (202) is provided above the lower connecting block (201), the top of the upper connecting block (202) is rotatably connected to an upper threaded pin (203), the upper threaded pin (203) is threadedly connected to the top of the lower connecting block (201), an internal threaded groove (207) is provided at the bottom end of the upper threaded pin (203), the internal thread of the internal threaded groove (207) is threadedly connected to a lower threaded pin (206), an elevated seat (204) is provided above the lower threaded pin (206), the elevated seat (204) is fixedly connected to the top of the upper connecting block (202), and the interior of the elevated seat (204) is fixedly connected to a lightning rod body (205).

2. The assembled porcelain insulator according to claim 1, characterized in that: The outer side wall of the lightning rod body (205) is fixedly connected to a metal needle (12), and the outer side wall of the metal needle (12) is fixedly connected to a plurality of groups of umbrella-shaped brackets (11).

3. The assembled porcelain insulator according to claim 2, characterized in that: The surface of the metal needle (12) is paved with a metal mesh, and the material of the umbrella-shaped bracket (11) is aluminum alloy.

4. The assembled porcelain insulator according to claim 1, characterized in that: A clamping groove (4) is provided on a side of the lower connecting block (201) opposite to the upper connecting block (202); a sliding rod (8) is slidably connected to the top wall of the upper connecting block (202); and a clamping arc plate (5) is fixedly connected to the bottom end of the sliding rod (8).

5. The assembled electric porcelain insulator according to claim 4, characterized in that: The bottom end of the clamping arc plate (5) is fixedly connected to a rubber pad (9), the outer wall of the sliding rod (8) is sleeved with a clamping spring (10), and the top end of the clamping spring (10) is fixedly connected to the top wall of the upper connecting block (202).

6. The assembled electric porcelain insulator according to claim 1, characterized in that: The bottom end of the first core rod (1) is fixedly connected to a connecting threaded rod (6), a second core rod (3) is provided below the connecting threaded rod (6), a connecting threaded groove (7) is provided at the top end of the second core rod (3), and the connecting threaded rod (6) is threadedly connected to the connecting threaded groove (7).

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