CN218415770U - Lightning protection device for power transmission line - Google Patents
Lightning protection device for power transmission line Download PDFInfo
- Publication number
- CN218415770U CN218415770U CN202222556282.6U CN202222556282U CN218415770U CN 218415770 U CN218415770 U CN 218415770U CN 202222556282 U CN202222556282 U CN 202222556282U CN 218415770 U CN218415770 U CN 218415770U
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- Prior art keywords
- bottom plate
- shaped
- lightning rod
- block
- lightning
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Abstract
The utility model relates to a lightning protection device for an electric power transmission line, wherein fastening screw rods are threaded at four corners of a fixed bottom plate, a strip-shaped through groove is arranged at the center, a metal conductive block is fixed at the left end inside the strip-shaped through groove, a fastening block is arranged at the right end inside the strip-shaped through groove in a sliding manner, an adjusting screw rod is transversely arranged at the middle part of the right side surface of the fixed bottom plate, one end of the adjusting screw rod is positioned in the strip-shaped through groove and is in contact with the fastening block, and the other end of the adjusting screw rod is positioned at the right side of the fixed bottom plate and is connected with a hexagonal screw head; the lightning rod is integrally cylindrical, the top end of the lightning rod is in an inverted cone shape, the bottom end of the lightning rod penetrates through a fastening gap formed between the metal conducting block and the fastening block, the lightning rod is positioned below the fixing bottom plate, and the lightning rod is detachably connected with the insulating base; the grounding wire is fixedly arranged at the left end of the lower surface of the fixed bottom plate and is connected with the metal conductive block; the utility model has the advantages of the suitability is strong and the installation and adjust the simple operation.
Description
Technical Field
The utility model belongs to electric power auxiliary assembly field, concretely relates to electric power transmission line lightning protection device.
Background
The power transmission and distribution line is the foundation of a power system and is responsible for the important function of normal operation of the power system, and thunder and lightning, which is a natural discharge phenomenon, has great destructiveness and is an important factor influencing the safety of the power transmission line, and particularly occupies the first place of line fault tripping in summer; therefore, when the power transmission and distribution line is erected, the lightning protection device needs to be installed, most of the traditional outdoor lightning protection devices comprise lightning rods, installation bases and down conductors, when the outdoor lightning protection device is used specifically, the lightning rods and the installation bases are fixedly connected, so that the whole volume of the lightning protection device is large, the convenience of operation of the outdoor lightning protection device during installation and disassembly of the outdoor lightning protection device on and from a power transmission line support is affected, and the fixed connection between the lightning rods and the installation bases cannot be used, the whole height of the lightning rods can be adjusted according to actual needs, and the applicability of the outdoor lightning protection device is affected; therefore, in order to solve the above problems, it is necessary to develop a lightning protection device for an electric power transmission line, which has high applicability and is convenient to install and adjust.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of prior art, and provide a suitability is strong and installation and adjust the simple operation's electric power transmission line lightning protection device.
The purpose of the utility model is realized like this: a lightning protection device for an electric power transmission line comprises a fixed bottom plate, a mounting plate, an adjusting screw rod, a lightning rod and a grounding wire, wherein the whole fixed bottom plate is of a rectangular structure, fastening screw rods are threaded at four corners of the fixed bottom plate, a strip-shaped through groove is formed in the center of the fixed bottom plate along the length direction of the fixed bottom plate, a metal conductive block is fixedly arranged at the left end inside the strip-shaped through groove, the fastening block is slidably arranged at the right end inside the strip-shaped through groove, the adjusting screw rod is transversely arranged in the middle of the right side face of the fixed bottom plate, one end of the adjusting screw rod is positioned in the strip-shaped through groove and is in close contact with the outer side face of the fastening block, and the other end of the adjusting screw rod is positioned at the right side of the fixed bottom plate and is concentrically and fixedly provided with a hexagonal screw head; the lightning rod is integrally cylindrical, the top end of the lightning rod is inverted cone-shaped, the bottom end of the lightning rod penetrates through a fastening gap formed between the metal conducting block and the fastening block, the lightning rod is positioned below the fixed bottom plate, and the lightning rod is detachably connected with an insulating base; the grounding wire is fixedly arranged at the left end of the lower surface of the fixed bottom plate and is connected with the metal conductive block.
The middle parts of the metal conducting block and the inner side surface of the fastening block are provided with arc-shaped limiting grooves matched with the lightning rod structure.
And one end of the adjusting screw rod, which is positioned inside the strip-shaped through groove, is concentrically and fixedly provided with a semicircular ejector block.
And a rubber anti-slip pad is fixedly arranged on the inner wall of the lower end of the mounting plate.
The fixed cover in upper end of lightning rod and PMKD junction is equipped with the spacing ring.
The utility model has the advantages that: the utility model discloses a set up mounting panel and fastening screw, utilize fastening screw to rotate, the produced extrusion effect of downward movement, cooperate the mounting panel of L type, can realize the whole spacing installation on transmission line support of the utility model; by arranging the lightning rod, the strip-shaped through groove, the metal conductive block, the fastening block and the adjusting screw rod, when the lightning rod fixing device is used, the lightning rod can be adjusted in the vertical direction through external force firstly, so that the installation height of the whole lightning rod on the fixing bottom plate and the power transmission line support can be adjusted in a sliding mode according to actual needs, then the threaded connection between the adjusting screw rod and the fixing base is utilized, the fastening block is connected with the strip-shaped through groove in a sliding mode, the adjusting screw rod can be rotated, the adjusting screw rod can move towards the inner side due to rotation, the fastening block is driven to move, and the lightning rod arranged between the fastening block and the metal conductive block in a sliding mode is limited through the matching of the fastening block and the metal conductive block; by arranging the grounding wire, the utility model can be grounded; generally, the utility model has the advantages of the suitability is strong and the installation and adjust the simple operation.
Drawings
Fig. 1 is a front view of the present invention in use.
Fig. 2 is a cross-sectional view of the front view of the connection between the middle fixing base plate, the mounting plate, the adjusting screw and the lightning rod of the present invention.
Fig. 3 is a top view of the connection between the middle fixing bottom plate, the adjusting screw and the lightning rod of the present invention.
In the figure: 1. the device comprises a fixed bottom plate 11, a fastening screw 12, a strip-shaped through groove 13, a metal conducting block 14, a fastening block 15, an arc-shaped limiting groove 2, a mounting plate 3, an adjusting screw 31, a top block 4, a lightning rod 41, an insulating base 42, a limiting ring 5 and a grounding wire.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The embodiment is as follows: as shown in fig. 1, 2 and 3, a lightning protection device for an electric power transmission line comprises a fixed base plate 1, a mounting plate 2, an adjusting screw rod 3, a lightning rod 4 and a grounding wire 5, wherein the whole fixed base plate 1 is of a rectangular structure, fastening screw rods 11 are threaded at four corners of the fixed base plate, a strip-shaped through groove 12 is formed in the center of the fixed base plate along the length direction of the fixed base plate, a metal conductive block 13 is fixedly arranged at the left end inside the strip-shaped through groove 12, a fastening block 14 is slidably arranged at the right end inside the fixed base plate, the adjusting screw rod 3 is transversely arranged in the middle of the right side surface of the fixed base plate 1, one end of the adjusting screw rod is positioned in the strip-shaped through groove 12 and is in close contact with the outer side surface of the fastening block 14, and the other end of the adjusting screw rod is positioned at the right side of the fixed base plate 1 and is concentrically and fixedly provided with a hexagonal screw head; the whole mounting plate 2 is L-shaped, two mounting plates are arranged, and are respectively and symmetrically fixedly arranged at two ends of the lower surface of the fixed bottom plate 1, the lightning rod 4 is cylindrical, the top end of the lightning rod is inverted cone-shaped, the bottom end of the lightning rod passes through a fastening gap formed between the metal conducting block 13 and the fastening block 14, the lightning rod is positioned below the fixed bottom plate 1, and the lightning rod is detachably connected with an insulating base 41; the grounding wire 5 is fixedly arranged at the left end of the lower surface of the fixed bottom plate 1 and is connected with the metal conductive block 13.
The middle parts of the inner side surfaces of the metal conducting block 13 and the fastening block 14 are respectively provided with an arc-shaped limiting groove 15 which is matched with the lightning rod 4 in structure, and the contact area between the metal conducting block 13 and the fastening block 14 and the lightning rod 4 can be increased by utilizing the arc-shaped limiting grooves 15, so that the limiting effect of the metal conducting block 13 and the fastening block 14 on the lightning rod 4 is improved; a semicircular top block 31 is concentrically and fixedly arranged at one end of the adjusting screw rod 3 positioned in the strip-shaped through groove 12, and the friction force between the adjusting screw rod 3 and the fastening block 14 can be reduced when the adjusting screw rod 3 and the top block 31 are rotationally adjusted by arranging the semicircular top block 31; a rubber anti-skid pad is fixedly arranged on the inner wall of the lower end of the mounting plate 2; the upper end of the joint of the lightning rod 4 and the fixed base plate 1 is fixedly sleeved with a limiting ring 42, and the range of the lightning rod 4 which is adjusted in a sliding mode in the vertical direction on the fixed base plate 1 can be limited by the aid of cooperation of the limiting ring 42 and the insulating base 41.
When the utility model is used, firstly, the L-shaped mounting plate 2 is utilized to place the fixed bottom plate 1 on the bracket of the power transmission line, and then, the fastening screw 11 is rotated, and the generated extrusion force is downwards moved to be matched with the L-shaped mounting plate 2 when the fastening screw 11 is rotated, thereby realizing the limit mounting of the fixed bottom plate 1 on the bracket of the power transmission line; then, the lightning rod 4 vertically slides to penetrate through a fastening gap formed by the metal conductive block 13 and the fastening block 14, the lightning rod 4 is adjusted in the vertical direction through external force, so that the installation height of the whole lightning rod 4 on the fixed base plate 1 and the power transmission line support is adjusted according to actual needs, finally, the adjusting screw rod 3 is rotated clockwise, the adjusting screw rod 3 is connected with the fixed base 1 through threads, the lightning rod 4 positioned between the adjusting screw rod 3 and the fixed base can be limited to move horizontally towards the inner side while the adjusting screw rod 3 rotates clockwise, at the same time, the thrust generated when the adjusting screw rod 3 moves is utilized, the fastening block 14 is matched with the sliding connection of the strip-shaped through groove 12 to drive the fastening block 14 to move towards the inner side, so that the lightning rod 4 positioned between the fastening block 14 and the metal conductive block 13 is limited through the matching of the fastening block 14 and the metal conductive block 13, the installation height of the lightning rod 4 on the fixed base plate 1 can be adjusted according to actual needs, the applicability is increased, the convenience of installation and adjustment operation is realized, after the operation, the insulating base 41 is installed at the lower end of the insulating base 41, the vertical adjustment rod 4 can be matched with the fixed base plate 1, and the adjustment range of the adjusting screw rod can be limited, and the problems of the fixing base plate 1 can be avoided; always, the utility model has the advantages of the suitability is strong and install and adjust the simple operation.
Claims (5)
1. The utility model provides an electric power transmission line lightning protection device, includes PMKD, mounting panel, adjusting screw, lightning rod and earth connection, its characterized in that: the whole fixed bottom plate is of a rectangular structure, fastening screws are threaded at four corners of the fixed bottom plate, a strip-shaped through groove is formed in the center of the fixed bottom plate along the length direction of the fixed bottom plate, a metal conductive block is fixedly arranged at the left end inside the strip-shaped through groove, a fastening block is slidably arranged at the right end inside the strip-shaped through groove, the adjusting screw is transversely arranged in the middle of the right side face of the fixed bottom plate, one end of the adjusting screw is positioned in the strip-shaped through groove and is in close contact with the outer side face of the fastening block, and the other end of the adjusting screw is positioned at the right side of the fixed bottom plate and is concentrically and fixedly provided with a hexagonal screw head; the lightning rod is integrally cylindrical, the top end of the lightning rod is inverted cone-shaped, the bottom end of the lightning rod penetrates through a fastening gap formed between the metal conducting block and the fastening block, the lightning rod is positioned below the fixing bottom plate, and the lightning rod is detachably connected with an insulating base; the grounding wire is fixedly arranged at the left end of the lower surface of the fixed bottom plate and is connected with the metal conductive block.
2. The lightning protection device for an electric power transmission line according to claim 1, characterized in that: the middle parts of the metal conducting block and the inner side surface of the fastening block are provided with arc-shaped limiting grooves matched with the lightning rod structure.
3. The lightning protection device for an electric power transmission line according to claim 1, characterized in that: and one end of the adjusting screw rod, which is positioned inside the strip-shaped through groove, is concentrically and fixedly provided with a semicircular ejector block.
4. The lightning protection device for an electric power transmission line according to claim 1, characterized in that: and a rubber non-slip mat is fixedly arranged on the inner wall of the lower end of the mounting plate.
5. The lightning protection device for an electric power transmission line according to claim 1, characterized in that: the fixed cover in upper end of lightning rod and PMKD junction is equipped with the spacing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556282.6U CN218415770U (en) | 2022-09-27 | 2022-09-27 | Lightning protection device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222556282.6U CN218415770U (en) | 2022-09-27 | 2022-09-27 | Lightning protection device for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218415770U true CN218415770U (en) | 2023-01-31 |
Family
ID=85033774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222556282.6U Withdrawn - After Issue CN218415770U (en) | 2022-09-27 | 2022-09-27 | Lightning protection device for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218415770U (en) |
-
2022
- 2022-09-27 CN CN202222556282.6U patent/CN218415770U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20230131 Effective date of abandoning: 20230803 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20230131 Effective date of abandoning: 20230803 |