CN210867141U - Lightning-resistant device of overhead transmission line and tower - Google Patents
Lightning-resistant device of overhead transmission line and tower Download PDFInfo
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- CN210867141U CN210867141U CN201922099484.0U CN201922099484U CN210867141U CN 210867141 U CN210867141 U CN 210867141U CN 201922099484 U CN201922099484 U CN 201922099484U CN 210867141 U CN210867141 U CN 210867141U
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Abstract
The utility model belongs to the technical field of transmission line equipment, in particular to a lightning protection device and a tower of an overhead transmission line, wherein the lightning protection device is arranged on a tower body of the tower, the lightning protection device comprises a lightning arrester and an insulating support component, a first end of the lightning arrester is provided with a lead wire, the lead wire is connected with a lead wire, and a second end of the lightning arrester is connected with the tower body of the tower; the first end of the insulating support component is connected with the first end of the lightning arrester, the second end of the insulating support component is connected with the tower body, and the lightning arrester extends towards the side direction of the tower body and is positioned on the same side with the insulating support component. The utility model discloses lightning-resistant device can reduce shaft tower height, saves the cost, and is less to the load of body of the tower, and is lower to the specification requirement of body of the tower, and lightning-resistant effect is better.
Description
Technical Field
The utility model belongs to the technical field of transmission line equipment, especially, relate to an overhead transmission line's resistant thunder device and shaft tower.
Background
In domestic electricity and industrial and agricultural electricity, main factors of power system outage tripping accidents are lightning stroke, human or natural disasters and the like, and the probability of power failure caused by the lightning stroke is up to more than 60% according to statistical data display. Weather change is an uncontrollable factor, so how to improve the safety and disaster prevention of a power transmission system in a controllable range of manpower has important significance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an overhead transmission line's resistant thunder device and shaft tower, and this resistant thunder device can reduce shaft tower body, and reduce cost reduces the probability that transmission line thunderbolt has a power failure.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides an overhead transmission line's resistant thunder device sets up on the tower body of pole tower, resistant thunder device includes: the lightning arrester comprises a lightning arrester and an insulating support component, wherein a lead is arranged at the first end of the lightning arrester and is connected with a wire, and the second end of the lightning arrester is connected with a tower body of a tower; the first end of insulating supporting component is connected with the first end of arrester, and insulating supporting component's second end is connected with the shaft tower body of tower, and the arrester is in same one side to the lateral extension of shaft tower body of tower and with insulating supporting component.
Furthermore, the insulating support component comprises at least one oblique-pulling insulator, the first end of the oblique-pulling insulator is connected with the first end of the lightning arrester, the second end of the oblique-pulling insulator is connected with the tower body, and the oblique-pulling insulator is arranged above the second end of the lightning arrester in the vertical direction.
Preferably, the insulating support component further comprises at least one post insulator, the first end of the post insulator is connected with the first end of the lightning arrester, and the second end of the post insulator is connected with the tower body of the tower and is arranged at intervals with the second end of the lightning arrester along the horizontal direction.
Preferably, the arrester includes first lightning rod, second lightning rod and two equalizer rings, and the first end of first lightning rod is used for being connected with shaft tower body of the tower, and the second end of first lightning rod is connected with the first end of second lightning rod, and two equalizer rings symmetry respectively set up in the both ends of second lightning rod.
Further, the second end of second lightning rod is provided with the connecting rod, and the first end of insulating supporting component is connected to the connecting rod.
Furthermore, the insulating support component is in a rod-shaped arrangement, and the insulating support component and the lightning arrester are coated with a high-temperature vulcanized silicone rubber umbrella skirt.
Further, resistant thunder device still includes metal connecting piece, and the first end of arrester, the first end of insulating supporting component are connected with metal connecting piece's first end respectively.
Further, the lightning protection device further comprises a shielding piece, and the shielding piece is arranged on the metal connecting piece.
Further, the lightning-resistant device comprises a wire hanging hardware string, the wire hanging hardware string is arranged at the second end of the metal connecting piece, and the wire hanging hardware string is connected with the conducting wire in a hanging mode.
The utility model discloses still include second technical scheme, a shaft tower, including foretell overhead transmission line's resistant thunder device and shaft tower body of the tower, resistant thunder device sets up in at least one side of shaft tower body of the tower.
The utility model has the advantages that: be different from prior art's condition, the utility model discloses lightning arrester, through the combination of arrester and insulating supporting component and be fixed in on the pole tower body of the tower, and the pole tower body of the tower be the metal for lightning arrester is connected with the earthing device electricity, makes the utility model discloses an overhead transmission line's lightning arrester does not need the ground wire, consequently can need not consider the setting in clearance between ground wire and the air wire, makes the cost is saved to the reduction of pole tower height. Compare in traditional arrester and set up in the shaft tower top of the tower, the utility model discloses the arrester sets up in shaft tower body of the tower, and is less to the load of body of the tower, and is lower to the specification requirement of body of the tower. Just the utility model discloses a resistant thunder device passes through insulating support subassembly and the cooperation of arrester each other, can improve insulating support subassembly's life-span.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a lightning protection device of the overhead transmission line of the present invention;
FIG. 2 is a schematic perspective view of FIG. 1;
FIG. 3 is an enlarged schematic view of region A of FIG. 2;
fig. 4 is another schematic structural diagram of the lightning protection device of the overhead transmission line of the present invention;
fig. 5 is a schematic structural diagram of an embodiment of the lightning arrester of the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the following description of the present invention will refer to the accompanying drawings and illustrate embodiments.
The embodiment of the utility model provides an overhead transmission line's lightning protection device, as shown in fig. 1 and 2, lightning protection device includes arrester 1 and insulating supporting component 2, wherein, arrester 1's first end is equipped with lead wire 41, lead wire 41 is connected with wire 42, wire 42 is used for overhead transmission line's current transport, arrester 1's second end is connected with shaft tower body of tower 3, lead wire 41 sets up in arrester 1's first end and is used for the thunderbolt drainage, arrester 1 is in insulating state under normal condition, when wire 42 receives reasons such as thunderbolt when transshipping because of the circuit, arrester 1 becomes the conductor because its inside metal oxide's nonlinear characteristic, lead wire 41 that wire 42 connects passes through arrester 1 with overcurrent, body of tower 3, and the earthing device who is connected with shaft tower body of tower 3 introduces the underground, make lightning protection device play lightning protection effect; the first end of insulating support component 2 is connected with arrester 1, and the second end of insulating support component 2 is connected with shaft tower body of tower 3, and arrester 1 extends and is in same one side with insulating support component 2 to the side direction of shaft tower body of tower 3.
Specifically, as shown in fig. 5, the utility model discloses arrester 1 of embodiment includes first lightning rod 11, second lightning rod 12 and two grading rings 13, and the first end of first lightning rod 11 is used for being connected with shaft tower body of the tower 3, and the second end of first lightning rod 11 is connected with the first end of second lightning rod 12, and two grading rings 13 symmetry respectively set up in the both ends of second lightning rod 12, and the second end of second lightning rod 12 sets up lead wire 41. The lightning arrester 1 is divided into a first lightning rod 11 and a second lightning rod 12, so that two grading rings 13 can be conveniently and reasonably distributed and installed on the lightning arrester 1.
Further, the second end of the second lightning rod 12 is provided with a connecting rod 14, and the connecting rod 14 is connected with the first end of the insulating support assembly 2. As shown in fig. 1, 2 and 5, the end of the connecting rod 14 is provided with a lead 41, the lead 41 is directly connected to the wire 42, and the end of the connecting rod 14 is connected to the first end of the insulating support member 2. In other embodiments, the lead wire 41 may be disposed at the second end of the second lightning rod 12. Through setting up connecting rod 14, can be so that metal connecting piece 5 is connected with arrester 1, avoid equalizer ring 13 and metal connecting piece 5 contact, reduce the space of arrester 1 and metal connecting piece 5 contact, the setting of equalizer ring 13 of being convenient for. In still another embodiment, the second end of the second lightning rod 12 may not be provided with the connecting rod 14, and the second end of the second lightning rod 12 is directly connected to the first end of the insulating support assembly 2.
The utility model discloses the diameter of first lightning rod 11 of arrester 1 is greater than the diameter of second lightning rod 12, the diameter of second lightning rod 12 is greater than the diameter of connecting rod 14, make the diameter of arrester 11 appear gradually diminishing state in the direction of keeping away from shaft tower body 3, first lightning rod 11 is connected with shaft tower body 3, and the diameter of first lightning rod 11 is great, make arrester 1 great with shaft tower body 3 hookup location's area of contact great, make arrester 1 fixed comparatively firm, along with arrester 1 reduces to the diameter of second lightning rod 12 and connecting rod 14 of the direction of keeping away from shaft tower body 3, can reduce the weight of arrester 1, improve the stability that arrester 1 and shaft tower body 3 combine.
The utility model discloses arrester 1's first lightning rod 11 and second lightning rod 12's structure all installs linear non metallic oxide valve block for the insulating tube, and the periphery sets up high temperature vulcanized silicone rubber full skirt 9.
The utility model discloses arrester 1 is through setting up two equalizer rings 13, and the uneven condition that distributes on arrester 1 is pressed when can avoiding taking shelter from thunder, avoids arrester 1's damage, and arrester 1's voltage distribution is even when making to take shelter from thunder through setting up two equalizer rings 13.
The utility model discloses the periphery of first lightning rod 11 and second lightning rod 12 of arrester 1 can prevent that arrester 1 from corroding, ageing through setting up high temperature vulcanized silicone rubber full skirt 9, improves the life of arrester 1.
Specifically, as shown in fig. 1 to 3, in the present embodiment, the lightning arrester further includes a metal connecting member 5, and the first end of the lightning arrester 1 and the first end of the insulating support member 2 are connected to the first end of the metal connecting member 5, respectively. The connection of the first end of the arrester 1 with the first end of the insulating support assembly 2 can be facilitated by the provision of the metal connector 5.
Specifically, the insulating support component 2 includes at least one oblique-pulling insulator 21, the first end of the oblique-pulling insulator 21 and the first end of the lightning arrester 1 are both arranged on the metal connecting piece 5, so that the first end of the oblique-pulling insulator 21 and the first end of the lightning arrester 1 are connected through the metal connecting piece 5, the second end of the oblique-pulling insulator 21 is connected with the tower body 3, and is arranged above the second end of the lightning arrester 1 along the vertical direction, so as to keep the lightning arrester 1 at a preset vertical height through a pulling mode. The embodiment of the utility model provides an insulating supporting component 2 includes that one draws insulator 21 to one side, and in other embodiments, insulating supporting component 2 includes that can include two draw insulator 21 or more than two draw insulator 21 to one side.
As a preferred scheme, the insulating support component 2 further includes at least one post insulator 22, wherein the first end of the post insulator 22 and the first end of the lightning arrester 1 are both disposed on the metal connecting member 5, so that the first end of the post insulator 22 is connected to the first end of the lightning arrester 1 through the metal connecting member 5, and the second end of the post insulator 22 is connected to the tower body 3 and is spaced apart from the second end of the lightning arrester 1 along the horizontal direction, so as to limit the horizontal swing of the lightning arrester 1. In the embodiment of the present invention, the insulating support assembly 2 further includes a post insulator 22, and in other embodiments, the insulating support assembly 2 includes two post insulators 22 or more than two post insulators 22.
It should be noted that in other embodiments, the metal connecting member 5 may not be provided, and the first end of the insulating support member 2 is directly connected to the first end of the lightning arrester 1.
More specifically, in the present embodiment, the post insulator 22 is a hollow structure; the cable-stayed insulator 21 is a solid structure, in another preferred embodiment of the present invention, the cable-stayed insulator 21 and the post insulator 22 of the insulating support assembly 2 are two, wherein the second ends of the two cable-stayed insulators 21 are arranged at two different positions of the tower body 3, so that the lightning arrester 1 is more stably fixed; the second ends of the two post insulators 22 are arranged at two different positions of the tower body 3, and the second ends of the post insulators 22 are arranged at two sides of the connecting position of the second end of the lightning arrester 1 and the tower body 3 and are located at the same horizontal position. In other embodiments, the post insulator 22 may also be a solid structure, and the number of at least one of the post insulator 22 and the cable-stayed insulator 21 is at least two, so that the post insulator 22 and the cable-stayed insulator 21 form a tapered structure, which makes the fixing of the lightning arrester 1 by the insulating support assembly 2 more stable.
In another embodiment, there is one cable-stayed insulator 21, the number of the post insulators 22 is two, the second ends of the two post insulators 22 are disposed at two different positions of the tower body 3, the second ends of the post insulators 22 are disposed at two sides of a connection position between the second end of the lightning arrester 1 and the tower body 3, and are at the same horizontal position with the second end of the cable-stayed insulator 21, the second end of the cable-stayed insulator 21 is disposed on the tower body 3, and the cable-stayed insulator 21 is disposed right above the lightning arrester 1.
Specifically, in the embodiment of the present invention, as shown in fig. 1 to 5, the post insulator 22 is a hollow tube made of glass fiber and epoxy resin material by a specific process, and the other parts of the post insulator 22 are wrapped with the high temperature vulcanized silicone rubber shed 9 for preventing the post insulator from corrosion, aging, etc.
The diagonal insulator 21 is rod-shaped, the periphery is provided with a protective sleeve, the protective sleeve is provided with an umbrella skirt 9, the protective sleeve and the umbrella skirt 9 form an integral structure through an integral injection process, the material is high-temperature vulcanized silicone rubber, and the groove-shaped connector is connected with the diagonal insulator 21 into a whole through a crimping process at the end part of the diagonal insulator 21. The periphery of the cable-stayed insulator 21 is provided with a protective sleeve and an umbrella skirt 9 which can be used for preventing the corrosion, the aging and the like of the post insulator. The post insulators 22 and the cable-stayed insulators 21 in fig. 1 to 3 do not show the high-temperature vulcanized silicone rubber sheds 9, but the post insulators 22 and the cable-stayed insulators 21 are not limited to include the high-temperature vulcanized silicone rubber sheds 9, and may include the high-temperature vulcanized silicone rubber sheds 9. The post insulator 22 and the diagonal insulator 21 of the lightning arrester shown in fig. 4 show the high-temperature vulcanized silicone rubber shed 9.
As a preferred scheme of the utility model, as shown in fig. 4, the lightning arrester still includes shielding part 6, and shielding part 6 sets up on metal connecting piece 5 for shielding current, through setting up shielding part 6, can be so that the lightning-arrest effect of reinforcing arrester 1.
Preferably, resistant thunder equipment includes hanging wire gold utensil cluster 8, and hanging wire gold utensil cluster 8 sets up the second end at metal connecting piece 5, and hanging wire gold utensil cluster 8 articulates wire 42. The wire 42 of the overhead transmission line can be hung by arranging the wire hanging hardware fitting string 8.
The embodiment of the utility model provides an insulating supporting component 2 is connected with arrester 1, can be so that insulating supporting component 2's overcurrent diminishes, and electric current is too big in wire 42, and arrester 1 becomes the conductor, passes through shaft tower shaft 3 and earthing device with overloaded electric current and introduces the underground, plays the guard action to insulating supporting component 2, makes it not punctured. The electric corrosion of the umbrella skirt 9 on the diagonal insulator 21 and the post insulator 22 caused by overcurrent can be reduced, and the service life of the insulating support component 2 is prolonged.
Further, the tower plate 7 is arranged on the tower body 3, and the second ends of the post insulators 22 and the second ends of the diagonal tension insulators 21 are connected with the tower body 3 through the tower plate 7. The tower plate 7 is arranged, so that the post insulators 22 and the diagonal tension insulators 21 are conveniently fixed with the tower body 3 of the tower, specifically, in this embodiment, the second end of the post insulator 22 may be provided with a third connecting member 221, and the third connecting member 221 is a connecting plate and is fixedly connected with the tower plate 7 through the third connecting member 221; the second end of the diagonal insulator 21 can be provided with a second connecting piece 211, the second connecting piece 211 is a groove-shaped connector, and the diagonal insulator 21 and the groove-shaped connector are connected into a whole through glue joint and are fixedly connected with the tower plate 7 through the groove-shaped connector. In other embodiments, the third connecting member 221 may also be a cross plate or a flange; the second connection member 211 may also be a cross plate or a connection plate.
In this embodiment, the second end of the lightning arrester 1 is provided with a first connecting piece 15, the first connecting piece 15 is a cross inserting plate, a tower plate is arranged on the angle steel of the tower body 3, and the cross inserting plate at the second end of the lightning arrester 1 is arranged on the tower body 3 through the tower plate. In other embodiments, the first connecting member 15 is a flange, and the second end of the lightning arrester 1 is directly connected to the tower body 3 through the flange.
As shown in fig. 1 and 2, the embodiment of the utility model provides a still include second kind technical scheme, a shaft tower, including foretell overhead transmission line's resistant thunder device and shaft tower body of tower 3, resistant thunder device sets up in one side of shaft tower body of tower 3. In other embodiments, the lightning protection device is disposed on two sides or more than two sides of the tower body 3. The utility model discloses the ground wire has been cancelled to the shaft tower, and the tower body load is less, and is lower to the specification requirement of tower body, and resistant thunder effect is better, reduce cost.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides an overhead transmission line's lightning-resistant device sets up on shaft tower body of tower (3), its characterized in that, the lightning-resistant device includes:
the lightning arrester comprises a lightning arrester (1), wherein a lead (41) is arranged at a first end of the lightning arrester (1), the lead (41) is connected with a lead (42), and a second end of the lightning arrester (1) is connected with a tower body (3);
insulating supporting component (2), the first end of insulating supporting component (2) with the first end of arrester (1) is connected, the second end of insulating supporting component (2) with shaft tower body of the tower (3) are connected, arrester (1) to the side direction extension of shaft tower body of the tower (3) and with insulating supporting component (2) are in same one side.
2. Lightning protection device according to claim 1, characterized in that said insulating support member (2) comprises at least one cable-stayed insulator (21), a first end of said cable-stayed insulator (21) being connected to a first end of said lightning arrester (1), a second end of said cable-stayed insulator (21) being connected to said tower body (3) and being arranged vertically above a second end of said lightning arrester (1).
3. Lightning protection device according to claim 2, characterised in that said insulating support member (2) further comprises at least one post insulator (22), said post insulator (22) being connected at a first end to a first end of said lightning arrester (1), said post insulator (22) being connected at a second end to said tower shaft (3) and being horizontally spaced from said second end of said lightning arrester (1).
4. The lightning protection device according to claim 1, wherein the lightning arrester (1) comprises a first lightning rod (11), a second lightning rod (12) and two equalizing rings (13), a first end of the first lightning rod (11) is used for being connected with the tower body (3), a second end of the first lightning rod (11) is connected with a first end of the second lightning rod (12), and the two equalizing rings (13) are symmetrically arranged at two ends of the second lightning rod (12) respectively.
5. Lightning protection device according to claim 4, characterised in that the second end of the second lightning rod (12) is provided with a connecting rod (14), the connecting rod (14) being connected to the first end of the insulating support assembly (2).
6. Lightning protection device according to claim 1, characterised in that the insulating support assembly (2) and the lightning arrester (1) are coated with a high temperature vulcanized silicone rubber shed (9).
7. Lightning protection device according to claim 1, characterised in that it further comprises a metal connector (5), the first end of the lightning arrester (1) and the first end of the insulating support assembly (2) being connected to the first end of the metal connector (5), respectively.
8. Lightning protection device according to claim 7, characterised in that it further comprises a shield (6), said shield (6) being arranged on said metal connector (5).
9. The lightning protection device according to claim 7, characterized in that it comprises a string of wire armour (8), said string of wire armour (8) being arranged at the second end of the metal connecting piece (5), said string of wire armour (8) hooking the conductor wire (42).
10. A tower, characterized in that it comprises a lightning protection device of said overhead transmission line according to any one of claims 1-9 and a tower body (3), said lightning protection device being arranged on at least one side of the tower body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099484.0U CN210867141U (en) | 2019-11-28 | 2019-11-28 | Lightning-resistant device of overhead transmission line and tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922099484.0U CN210867141U (en) | 2019-11-28 | 2019-11-28 | Lightning-resistant device of overhead transmission line and tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210867141U true CN210867141U (en) | 2020-06-26 |
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ID=71289239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922099484.0U Active CN210867141U (en) | 2019-11-28 | 2019-11-28 | Lightning-resistant device of overhead transmission line and tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210867141U (en) |
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2019
- 2019-11-28 CN CN201922099484.0U patent/CN210867141U/en active Active
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