CN219980408U - Lightning protection device for overhead line - Google Patents
Lightning protection device for overhead line Download PDFInfo
- Publication number
- CN219980408U CN219980408U CN202321454118.2U CN202321454118U CN219980408U CN 219980408 U CN219980408 U CN 219980408U CN 202321454118 U CN202321454118 U CN 202321454118U CN 219980408 U CN219980408 U CN 219980408U
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- lightning protection
- overhead line
- box body
- wire
- protection device
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000002035 prolonged effect Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a lightning protection device for an overhead line, which comprises a fixed component, a protection component, a lightning protection component and a grounding wire, wherein the fixed component is movably arranged on one side of the protection component, the lightning protection component is arranged in the protection component, the grounding wire is arranged in the protection component in a penetrating way, the protection component comprises a box body, a notch for the lightning protection component to pass through is formed above the box body, the lightning protection component comprises a screw rod and a sliding plate, the lower part of the screw rod is rotationally connected with the box body, and the sliding plate is sleeved on the screw rod; the lightning protection subassembly can go up and down, and elevation structure sets up inside the box, and the notch has been seted up to the box top, and the weather forecast has the thunder to pass through remote control driving motor in advance in time, rises the lightning protection needle outside the box, when no thunder weather, falls the lightning protection needle again, accomodates in the box, prevents that the lightning protection needle from exposing in the air for a long time and receiving the damage, has effectively improved the life of lightning protection needle.
Description
Technical Field
The utility model belongs to the technical field of lightning protection of power systems, and particularly relates to a lightning protection device for an overhead line.
Background
Overhead lines are an important component of electrical power systems. With the development of the power system, the erection project of the overhead line is gradually increased, and accidents caused by lightning striking the overhead line are also increased, so that the normal operation of equipment is influenced, and the daily production and life are greatly influenced. How to prevent and reduce damage to the power grid caused by lightning strike of the overhead line is an important problem that must be considered for safe and stable operation of the power grid.
The lightning protection device for the existing overhead line is generally arranged on the upper part of a telegraph pole, and most lightning protection components in the device are always exposed to the air, so that the lightning protection components are easy to damage, such as kites and the like; most lightning protection device that overhead line used and lightning rod pass through insulating bandage winding connection with the earth connection, perhaps twine the earth connection on the copper ring of being connected with the lightning rod, and earth connection and lightning rod are difficult to quick connect, are difficult to quick replacement after the earth conductor damages.
Disclosure of Invention
The utility model aims to solve the problems and provide a lightning protection device for an overhead line.
The utility model realizes the above purpose through the following technical scheme:
the lightning protection device for the overhead line comprises a fixing component, a protection component, a lightning protection component and a grounding wire, wherein the fixing component is movably arranged on one side of the protection component, the lightning protection component is arranged in the protection component, and the grounding wire is arranged in the protection component in a penetrating manner;
the protection component comprises a box body, the lightning protection component comprises a screw rod and a sliding plate, the lower part of the screw rod is rotationally connected with the box body, the sliding plate is sleeved on the screw rod and is in threaded connection with the screw rod, a lightning protection needle is fixedly inserted on the sliding plate, and the lightning protection needle can extend or retract in a sliding manner along the box body;
the lightning protection needle lower part fixed cover is equipped with and tightens the piece, it is equipped with the mounting to tighten piece below cover, it passes through screw thread fixed connection to tighten the piece and the mounting, the earth connection wears to establish in tightening the piece, earth connection upper portion with lightning protection needle contact.
Preferably, the screw rod upper end is provided with the baffle, baffle and the inside side fixed connection of box, and baffle upper surface and box butt, screw rod upper portion and baffle rotate to be connected, the fixed guide arm that is provided with in the box one side of keeping away from the screw rod, sliding plate and guide arm sliding connection.
Preferably, the fixed assembly comprises a wire rod limiting plate, two wire rod limiting plates are symmetrically arranged and are in sliding connection with the protection assembly, a first circular limiting groove is formed between the two wire rod limiting plates, and the first limiting groove is connected with the wire rod in an inserting mode.
Preferably, the cross section of the wire rod limiting plate is arc-shaped, a spring is arranged between the two wire rod limiting plates, a chute is formed in one side, close to the fixing assembly, of the box body, two connecting limiting plates are fixedly arranged in the middle of the chute at intervals, the inner sides of the wire rod limiting plates are respectively abutted to the two connecting limiting plates, the two wire rod limiting plates are in sliding connection with the chute, and the spring penetrates through the two connecting limiting plates.
Preferably, two connecting pieces are rotatably arranged on two sides below the box body, two cable limiting plates are symmetrically arranged below the connecting pieces, the cross sections of the cable limiting plates are arc-shaped, a circular second limiting groove is formed between the two cable limiting plates, and the second limiting groove is inserted and connected with an overhead cable.
Preferably, the lower part of the tightening piece is provided with a plurality of clamping pieces along the circumference at intervals, the outer surfaces of the clamping pieces are arc-shaped, the lower part of the fixing piece is provided with a locking part, the inner surface of the locking part is arc-shaped, and when the fixing piece and the tightening piece are screwed up, the clamping pieces can be tightened by the locking part.
Preferably, a grounding piece is arranged in the middle of the lower surface of the box body, a grounding hole is formed in the grounding piece, and the grounding hole is spliced with a grounding wire.
Preferably, the end part of the wire rod limiting plate is provided with a first connecting hole, the end part of the wire rod limiting plate is provided with a second connecting hole, the bolt penetrates through the first connecting hole to fasten the two wire rod limiting plates, and the bolt penetrates through the second connecting hole to fasten the two wire rod limiting plates.
Preferably, a motor is fixedly arranged below the box body, and the output end of the motor is fixedly connected with the screw rod.
Preferably, the four corners of the bottom of the box body are provided with discharge holes.
The lightning protection device for the overhead line has the beneficial effects that:
(1) The utility model is provided with a lifting lightning protection component, the lifting structure is arranged in the box body and comprises a motor and a screw rod, a sliding plate is sleeved outside the screw rod, a lightning protection needle is arranged on the sliding plate, the screw rod is driven by a driving motor to rotate, lifting of the lightning protection needle can be realized, a notch is formed above the box body, when weather forecast has thunder, the lightning protection needle is lifted out of the box body in advance through remote control of the driving motor, and in thunder-free weather, the lightning protection needle is lowered and stored in the box body, so that the lightning protection needle is prevented from being damaged due to long-time exposure to air, winding collision with kites and the like is prevented, and the service life of the lightning protection needle is effectively prolonged.
(2) According to the lightning protection needle, the fastening piece and the fixing piece are arranged at the joint of the lightning protection needle and the grounding wire, the thread is arranged on the outer surface of the upper part of the fastening piece, the thread is arranged on the inner surface of the upper part of the fixing piece, the plurality of clamping pieces are arranged on the circumferential array of the lower part of the fastening piece, the outer surfaces of the clamping pieces are arc-shaped, the locking part is arranged on the lower part of the fixing piece, the inner surface of the locking part is arc-shaped, and when the fixing piece and the fastening piece are screwed up, the clamping pieces can be tightened by the locking part, so that the grounding wire and the lightning protection needle can be quickly and conveniently installed and detached.
(3) According to the utility model, the wire rod limiting plates are in sliding connection with the box body, the two connecting limiting plates are fixedly arranged in the middle of the sliding groove, the springs are arranged between the connecting limiting plates, and penetrate through the two connecting limiting plates to be connected with the wire rod limiting plates.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is an enlarged view of I in FIG. 1;
FIG. 3 is a bottom view of the present utility model;
FIG. 4 is a front view of the present utility model;
fig. 5 is a cross-sectional view of the present utility model.
The reference numerals are explained as follows:
1. a fixing assembly; 11. a wire rod limiting plate; 12. a first connection hole; 13. a first limit groove; 14. a spring; 15. connecting a limiting plate; 2. a protection component; 20. a notch; 21. a case; 22. a guide rod; 24. a connecting piece; 25. a cable limiting plate; 251. a second connection hole; 252. the second limit groove; 26. a grounding member; 261. a ground hole; 27. a discharge hole; 28. a chute; 3. a lightning protection component; 31. a motor; 32. a screw; 33. a sliding plate; 34. a baffle; 36. a lightning protection needle; 38. a tightening member; 381. a clamping piece; 39. a fixing member; 391. a locking part; 4. and a grounding wire.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the utility model:
as shown in fig. 1-5, a lightning protection device for an overhead line comprises a fixed component 1, a protection component 2, a lightning protection component 3 and a grounding wire 4, wherein the fixed component 1 is movably arranged on one side of the protection component 2, the lightning protection component 3 is arranged in the protection component 2, and the grounding wire 4 is penetrated in the protection component 2;
the protection component 2 comprises a box body 21, and a notch 20 through which the lightning protection component 3 passes is formed above the box body 21;
the lightning protection assembly 3 comprises a screw rod 32 and a sliding plate 33, the lower part of the screw rod 32 is rotationally connected with the box body 21, the sliding plate 33 is sleeved on the screw rod 32 and is in threaded connection with the screw rod 32, and a lightning protection needle 36 is fixedly inserted on the sliding plate 33;
the fixed cover in lightning protection needle 36 lower part is equipped with and tightens up piece 38, and the screw thread has been seted up to tightening up piece 38 outside, and tightening up piece 38 below cover is equipped with mounting 39, and mounting 39 upper portion internal surface is equipped with the screw thread, and tightening up piece 38 passes through screw thread fixed connection with mounting 39, and earth connection 4 wears to establish in tightening up piece 38, earth connection 4 upper portion and lightning protection needle 36 contact.
In this embodiment: a motor 31 is fixedly arranged below the box body 21, the output end of the motor 31 is fixedly connected with a screw rod 32, the upper end of the screw rod 32 is provided with a baffle 34, the baffle 34 is fixedly connected with the inner side surface of the box body 21, the upper surface of the baffle 34 is abutted against the box body 21, the upper part of the screw rod 32 is rotationally connected with the baffle 34, one side, far away from the screw rod 32, of the box body 21 is fixedly provided with a guide rod 22, a sliding plate 33 is in sliding connection with the guide rod 22, a lightning protection needle 36 can penetrate through a notch 20 along with the up-down sliding of the sliding plate 33, and when the sliding plate 33 is lifted to the highest, the sliding plate 33 is spliced with the notch 20, so that the box body 21 is closed, and sundries are prevented from entering the box body 21; the lifting function of the lightning protection needle 36 ensures that the lightning protection needle 36 can be timely contained in the box body 21, and the service life of the lightning protection needle 36 is prolonged.
In this embodiment: the lower part of the tightening piece 38 is provided with a plurality of clamping pieces 381 along the circumference at intervals, the outer surface of the clamping pieces 381 is arc-shaped, the lower part of the fixing piece 39 is provided with a locking part 391, the inner surface of the locking part 391 is arc-shaped, and when the fixing piece 39 is screwed up with the tightening piece 38, the locking part 391 can tighten the clamping pieces 381, so that the installation and the disassembly of the grounding wire 4 and the lightning protection needle 36 are quick and convenient.
In this embodiment: the fixing assembly 1 comprises wire rod limiting plates 11, two wire rod limiting plates 11 are symmetrically arranged and are in sliding connection with the protection assembly 2, a circular first limiting groove 13 is formed between the two wire rod limiting plates 11, the first limiting groove 13 is connected with a wire rod in an inserted mode, the section of each wire rod limiting plate 11 is arc-shaped, a spring 14 is arranged between the two wire rod limiting plates 11, a sliding groove 28 is formed in one side, close to the fixing assembly 1, of the box body 21, two connecting limiting plates 15 are fixedly arranged in the middle of the sliding groove 28 at intervals, the inner sides of the two wire rod limiting plates 11 are respectively abutted to the two connecting limiting plates 15, the two wire rod limiting plates 11 are in sliding connection with the sliding groove 28, and the spring 14 penetrates through the two connecting limiting plates 15; when the wire pole is inserted into the wire pole, the caliber of the first limiting groove 13 between the wire pole limiting plates 11 can be adjusted only by pulling the wire pole limiting plates 11 left and right, so that the wire pole is more convenient to install.
In this embodiment, two connecting pieces 24 are rotatably disposed on two sides below the box 21, two cable limiting plates 25 are symmetrically disposed below the connecting pieces 24, the cross section of each cable limiting plate 25 is arc-shaped, a circular second limiting groove 252 is formed between each cable limiting plate 25, the second limiting groove 252 is connected with an overhead cable in an inserted manner, a grounding piece 26 is disposed in the middle of the lower surface of the box 21, a grounding hole 261 is formed in the grounding piece 26, the grounding hole 261 is connected with the grounding wire 4 in an inserted manner, a first connecting hole 12 is formed in the end part of each cable limiting plate 11, a second connecting hole 251 is formed in the end part of each cable limiting plate 25, a bolt penetrates through the first connecting hole 12 to fasten the two cable limiting plates 11, a discharge hole 27 is formed in four corners of the bottom of the box 21, and the discharge hole 27 can timely discharge rainwater in the box 21; the cable limiting plate 25 can twist different angles to fix overhead cables penetrating from different directions, and the application range is wide.
In the above structure, before installing a lightning protection device for overhead line, the ground wire 4 is first passed through the ground hole 261, the end of the ground wire 4 is sleeved with the fixing member 39, the lower end of the lightning protection needle 36 is fixed with the tightening member 38, then the ground wire 4 is connected with the end of the lightning protection needle 36 by passing through the tightening member 38, the fixing member 39 is sleeved on the tightening member 38, and the locking portion 391 is tightened to press the clamping piece 381 to tighten the ground wire 4; then, the installation work of the lightning protection device for the overhead line is carried out, the wire rod limiting plate 11 is pulled to extend the spring 14, the caliber of the first limiting groove 13 is increased, the wire rod limiting plate 11 is sleeved on a wire rod to be installed, the wire rod limiting plate 25 is adjusted to a proper angle through bolt fastening connection, and then the overhead cable passes through the second limiting groove 252, and the wire rod limiting plate 25 is fastened through bolts; subsequently, description will be given of a lightning protection device for overhead lines, when there is lightning in weather forecast, the motor 31 is remotely controlled in advance to drive the screw 32 to rotate under the drive of the motor 31, and the sliding plate 33 slides upwards until the lightning protection needle 36 extends out of the notch 20 completely; in the case of no lightning, the driving motor 31 is controlled to rotate reversely, so that the sliding plate 33 slides downwards, and the lightning protection needle 36 is accommodated in the box body 21; the utility model can remotely control the lifting of the lightning protection needle 36, and the lifting structure is arranged in the box body 21, so that the lightning protection needle 36 is prevented from being damaged due to winding collision with kites and the like when being exposed in the air for a long time, and the service life of the lightning protection needle 36 is effectively prolonged.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and their equivalents.
Claims (10)
1. A lightning protection device for overhead line, its characterized in that: the lightning protection device comprises a fixing component (1), a protection component (2), a lightning protection component (3) and a grounding wire (4), wherein the fixing component (1) is movably arranged on one side of the protection component (2), the lightning protection component (3) is arranged in the protection component (2), and the grounding wire (4) is arranged in the protection component (2) in a penetrating mode;
the protection assembly (2) comprises a box body (21), the lightning protection assembly (3) comprises a screw rod (32) and a sliding plate (33), the lower part of the screw rod (32) is rotationally connected with the box body (21), the sliding plate (33) is sleeved on the screw rod (32) and is in threaded connection with the screw rod (32), a lightning protection needle (36) is fixedly inserted on the sliding plate (33), and the lightning protection needle (36) can extend or retract in a sliding manner along the box body (21);
the lightning protection needle (36) lower part fixed cover is equipped with and tightens piece (38), it is equipped with mounting (39) to tighten piece (38) below cover, it passes through screw thread fixed connection with mounting (39) to tighten piece (38), earth connection (4) wear to establish in tightening piece (38), earth connection (4) upper portion with lightning protection needle (36) contact.
2. The lightning protection device for an overhead line of claim 1, wherein: the screw rod (32) upper end is provided with baffle (34), baffle (34) and box (21) inside side fixed connection, and baffle (34) upper surface and box (21) butt, screw rod (32) upper portion and baffle (34) rotate to be connected, one side of keeping away from screw rod (32) in box (21) is fixed to be provided with guide arm (22), sliding plate (33) and guide arm (22) sliding connection.
3. The lightning protection device for an overhead line of claim 1, wherein: the fixing assembly (1) comprises wire rod limiting plates (11), the two wire rod limiting plates (11) are symmetrically arranged and are in sliding connection with the protection assembly (2), a circular first limiting groove (13) is formed between the two wire rod limiting plates (11), and the first limiting groove (13) is connected with a wire rod in an inserting mode.
4. A lightning protection device for an overhead line according to claim 3, wherein: the utility model discloses a wire pole limiting plate (11), including wire pole limiting plate (11), box (21), spout (28) have been seted up to wire pole limiting plate (11), box (21) are close to one side of fixed subassembly (1) and have been seted up, and spout (28) middle part interval is fixed to be set up two connection limiting plate (15), two wire pole limiting plate (11) inboard respectively with two connection limiting plate (15) butt, two wire pole limiting plate (11) and spout (28) sliding connection, spring (14) run through two connection limiting plate (15).
5. The lightning protection device for an overhead line of claim 4, wherein: two connecting pieces (24) are rotatably arranged on two sides below the box body (21), two cable limiting plates (25) are symmetrically arranged below the connecting pieces (24), the cross sections of the cable limiting plates (25) are arc-shaped, a circular second limiting groove (252) is formed between the two cable limiting plates (25), and the second limiting groove (252) is connected with an overhead cable in an inserting mode.
6. The lightning protection device for an overhead line of claim 1, wherein: the tightening piece (38) lower part is provided with a plurality of clamping pieces (381) along the circumference interval, clamping piece (381) outward surface is circular arc, mounting (39) lower part is provided with locking portion (391), locking portion (391) internal surface is circular arc, when mounting (39) and tightening piece (38) screw up, locking portion (391) can make clamping piece (381) tighten.
7. The lightning protection device for an overhead line of claim 1, wherein: the middle part of the lower surface of the box body (21) is provided with a grounding piece (26), the grounding piece (26) is provided with a grounding hole (261), and the grounding hole (261) is spliced with the grounding wire (4).
8. The lightning protection device for an overhead line of claim 5, wherein: the end part of the wire rod limiting plate (11) is provided with a first connecting hole (12), the end part of the wire rod limiting plate (25) is provided with a second connecting hole (251), a bolt penetrates through the first connecting hole (12) to fasten the two wire rod limiting plates (11), and the bolt penetrates through the second connecting hole (251) to fasten the two wire rod limiting plates (25).
9. The lightning protection device for an overhead line of claim 1, wherein: the motor (31) is fixedly arranged below the box body (21), and the output end of the motor (31) is fixedly connected with the screw rod (32).
10. The lightning protection device for an overhead line of claim 1, wherein: the four corners of the bottom of the box body (21) are provided with discharge holes (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454118.2U CN219980408U (en) | 2023-06-08 | 2023-06-08 | Lightning protection device for overhead line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321454118.2U CN219980408U (en) | 2023-06-08 | 2023-06-08 | Lightning protection device for overhead line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219980408U true CN219980408U (en) | 2023-11-07 |
Family
ID=88582158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321454118.2U Active CN219980408U (en) | 2023-06-08 | 2023-06-08 | Lightning protection device for overhead line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219980408U (en) |
-
2023
- 2023-06-08 CN CN202321454118.2U patent/CN219980408U/en active Active
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