CN218214815U - 750kV circuit trigeminy six split strain insulator-string - Google Patents
750kV circuit trigeminy six split strain insulator-string Download PDFInfo
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- CN218214815U CN218214815U CN202222656647.2U CN202222656647U CN218214815U CN 218214815 U CN218214815 U CN 218214815U CN 202222656647 U CN202222656647 U CN 202222656647U CN 218214815 U CN218214815 U CN 218214815U
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Abstract
The utility model discloses a 750kV circuit trigeminy six-division strain insulator-string, wherein a voltage-sharing shielding ring is arranged on an insulator, one end of the insulator is connected with a first connecting hardware set, the other end of the insulator is connected with a first hanging plate, the other end of the first hanging plate is connected with a first U-shaped hanging ring, and the other end of the first U-shaped hanging ring on three insulator-strings is connected with a three-to-two connection plate; the other end of the three-way duplex plate is connected with two first parallel hanging plates, the other ends of the two first parallel hanging plates are connected with a first yoke plate, the other end of the first yoke plate is connected with six first right-angle hanging plates, and the other end of each first right-angle hanging plate is connected with a second connecting hardware set. The utility model discloses a be connected through ring-ring between insulator and yoke plate and the link fitting, compare the board-like connection and rotate more in a flexible way, more be fit for heavily ice district and use, set up the equalizer ring on the insulator simultaneously and replaced traditional shield ring, can avoid using equalizer ring and wire jumper collision problem that the shield ring brought.
Description
Technical Field
The utility model belongs to the technical field of high-voltage insulation, especially, relate to a six division strain insulator-strings of 750kV circuit trigeminy.
Background
Because part high-altitude areas are in heavy ice regions, the duplex 420kN strain insulator-string used by a conventional 750kV line cannot meet the load requirement, and strain insulators with higher tonnage and more connection numbers are required to be used. The conventional shielding ring is used on the triple six-split tension string used in the high-altitude area, the shielding range is limited, the effect of reducing corona loss is poor, and collision easily occurs between a jumper wire and a grading ring, so that the triple six-split tension string used in a 750kV line in the high-altitude heavy ice area is designed, and the technical problem which needs to be solved by technical personnel in the field is urgently needed.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the prior art, the utility model aims to provide a six division strain insulator-strings of 750kV circuit trigeminy can improve the problem that the shielding ring shielding scope that exists is little, reduce corona loss effect not good and wire jumper and equalizer ring bump among the heavy ice area 750kV overhead transmission line of high altitude.
In order to achieve the above object, the utility model adopts the following technical scheme:
a 750kV line triple six-split tension string, comprising: three insulator chain, three change two yoke plates, first parallel link plate, first yoke plate, first right angle link plate, first connecting fitting group and the second connecting fitting group that the triplex was arranged, every insulator chain includes: the voltage-sharing shielding ring comprises an insulator, a voltage-sharing shielding ring, a first hanging plate and a first U-shaped hanging ring;
the voltage-sharing shielding ring is arranged on the insulator, one end of the insulator is connected with a first connecting hardware set, the other end of the insulator is connected with a first hanging plate, the other end of the first hanging plate is connected with a first U-shaped hanging ring, and the other end of the first U-shaped hanging ring on the three insulator strings is connected with the three-to-two connecting plate; the other end of the three-variable duplex plate is connected with two first parallel hanging plates, the other ends of the two first parallel hanging plates are connected with first connecting plates, the other ends of the first connecting plates are connected with six first right-angle hanging plates, and the other end of each first right-angle hanging plate is connected with a second connecting hardware set.
Preferably, a first shielding ring is arranged on the first yoke plate, a supporting spacer is arranged on the second connecting hardware set, and a second shielding ring is arranged on the supporting spacer.
Preferably, the second link fitting set includes: the second yoke plate, the second hanging plate, the second right-angle hanging plate, the first adjusting plate, the second U-shaped hanging ring and the strain clamp;
the tension clamp comprises a first right-angle hanging plate, a second hanging plate, a first adjusting plate, a second U-shaped hanging ring and a tension clamp, wherein the first right-angle hanging plate is connected with one end of the second hanging plate, the second hanging plate is connected with the other end of the second hanging plate, the second right-angle hanging plate is connected with the other end of the second hanging plate, the first adjusting plate is connected with the other end of the second right-angle hanging plate, the second U-shaped hanging ring is connected with the other end of the first adjusting plate, and the tension clamp is connected with the other end of the second U-shaped hanging ring.
Preferably, the first hanging plate is a socket hanging plate, and the second hanging plate is a three-leg right-angle hanging plate.
Preferably, the strain clamp is a compression joint type strain clamp.
Preferably, the first connection fitting set includes: the ball head hanging ring, the second parallel hanging plate, the traction plate, the third parallel hanging plate, the first U-shaped hanging ring and the trunnion hanging plate are arranged on the upper portion of the frame;
the ball head hanging ring is connected with the insulator, the other end of the ball head hanging ring is connected with a second parallel hanging plate, the other end of the second parallel hanging plate is connected with the traction plate, the other end of the traction plate is connected with a third parallel hanging plate, the other end of the third parallel hanging plate is connected with a first U-shaped hanging ring, and the other end of the first U-shaped hanging ring is connected with the trunnion hanging plate.
Preferably, the insulator is a 550kN porcelain insulator.
Preferably, the pipe diameters of the grading shield ring, the second shield ring and the first shield ring are all 80mm.
Preferably, the openings of the grading shield ring, the second shield ring and the first shield ring are all upward.
Preferably, the first and second headers are triangular headers, and the three-to-two header is composed of two triangular headers.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a 750kV circuit trigeminy six-splitting strain insulator-string combines six-splitting structure through the three-to-two yoke plate, satisfies the requirement of cluster molecule to the split type; the insulator is connected with the three-transformer duplex plate through the ring-ring, compared with a plate type connection, the rotation is more flexible, the three-transformer duplex plate is more suitable for being used in a heavy ice area, and the design is favorable for improving the reliability of the line running under severe conditions. Meanwhile, the grading ring is arranged on the insulator to replace a traditional shielding ring, and the problem that the grading ring and a jumper wire collide due to the use of the shielding ring can be solved.
The utility model discloses set up three equalizer rings around insulator cluster electrified side gold utensil, reduced the corona on the high altitude area circuit gold utensil effectively through the mode of three equalizer ring combination, the equalizer ring pipe diameter gets 80mm, can effectively reduce the corona level of electrified side gold utensil; the integral equalizing rings are adopted on the low-voltage side of the insulator, the number of openings of the equalizing rings is reduced, all openings of the equalizing rings face upwards, and the influence of the openings of the equalizing rings on the ground field intensity can be reduced. The utility model provides an insulator chain connection form adopts bulb, the connection of bowl head, rotates in a flexible way, has excellent resistant dirty sudden strain of a muscle ability. The utility model discloses use and support the conductor spacer and fix the equalizer ring, can provide spatial position for the connection of wire jumper.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for helping the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. In the drawings:
fig. 1 is a schematic structural view of the present invention; fig. 2 is a left side view of the present invention.
Wherein, 1, a trunnion hanging plate; 2-a first U-shaped suspension loop; 3-a second adjusting plate; 4-a second parallel hanging plate; 5, a traction plate; 6-bulb hanging ring; 7, an insulator; 8, a grading shield ring; 9-a first hanging plate; 10-three-to-two connection plate; 11-a first parallel hanging plate; 12-a first yoke plate; 13-a second right-angle hanging plate; 14-a first right-angle hanging plate; 15; a second shield ring; 16; a first pull rod; 17; a second yoke plate; 18; a second hanging plate-ZS hanging plate; 19; a first adjusting plate; 20-a second U-shaped suspension loop; 21-a second pull rod; 24-a first shield ring; 25-supporting the spacer; 26-a third parallel hanging plate; 27-strain clamp.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope of the present invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof.
As a preferred embodiment of this embodiment, all the link fittings are made of low temperature resistant and wear resistant materials to ensure safe operation of the project.
As a preferred embodiment of this embodiment, the insulator is a 550kN porcelain bell jar insulator, and the number of the insulators is 3 strings.
As shown in fig. 1, the utility model discloses a three insulator chain, three change doubler plate 10, first parallel link plate 11, first yoke plate 12, first right angle link plate 14, first link fitting group and the second link fitting group that the trigeminy was arranged. Wherein each of the insulator strings comprises: insulator 7, voltage-sharing shielding ring 8, first link plate 9 and first U type link 2.
The utility model discloses a cluster is assembled to the triplex insulator, includes three insulator chain altogether, and first link fitting group is connected to every insulator chain one end, and three change yoke plate 10 is connected to the other end, three change two yoke plate 10 one end is connected threely insulator chain, two are connected to the other end first parallel link plate 11, two the 11 other ends of first parallel link plate all link to each other with first yoke plate 12, the 12 other ends of first yoke plate are connected with six first right angle link plates 14, all are connected with on every first right angle link plate 14 second link fitting, be provided with on the second link fitting and support conductor spacer 25, be provided with second shield ring 15 on the support conductor spacer 25.
The first connection fitting set includes: the ball head hanging ring comprises a ball head hanging ring 6, a second parallel hanging plate 4, a traction plate 5, a third parallel hanging plate 26, a first U-shaped hanging ring 2 and a trunnion hanging plate 1.
Wherein, gudgeon link plate 1 is the first gold utensil of shaft tower side for be connected with the tower body cross arm, owing to adopted gudgeon link plate, its rotation is comparatively nimble and mechanical strength is high. First U type link 2 is connected to the lower extreme of trunnion link plate 1, and second adjusting plate 3 is connected to the 2 other ends of first U type link, have on the second adjusting plate 3 can adjust with the hole of being connected the angle between the first U type link 2. The other end of the second adjusting plate 3 is connected with the traction plate 5 through a third parallel hanging plate 26, the other end of the traction plate 5 is connected with the insulator 7 through a ball head hanging ring 6, and due to the adoption of the ball head hanging ring, the rotation is flexible, and the anti-pollution flashover device has excellent anti-pollution capability. The insulator 7 is provided with the voltage-sharing shielding ring 8, and the voltage distribution on the insulator string 7 can be improved due to the arrangement of the voltage-sharing ring 8, so that the insulator string 7 is prevented from being burnt by electric arcs. The other end of the insulator 7 is connected with the first hanging plate 9, and the first hanging plate 9 adopts a socket hanging plate, so that the rotation is flexible. The other end of the first hanging plate 9 is connected with the three-to-two connecting plate 10 through the first U-shaped hanging ring 2, and compared with a plate type connection, the rotation is more flexible due to the adoption of a ring-ring connection mode, and the three-to-two connecting plate is more suitable for being used in heavy ice areas.
The other end of the three-to-two yoke plate 10 is connected with a first yoke plate 12 through two first parallel hanging plates 11, a first shielding ring 24 is arranged on the first yoke plate 12, a supporting spacer 25 is arranged on the second connecting hardware set, and a second shielding ring 15 is arranged on the supporting spacer 25. Grading ring 25 and grading ring 15 play the effect that reduces electrified side gold utensil corona level jointly, also reserve the position for drawing forth of wire jumper simultaneously, can avoid wire jumper and grading ring 15 or grading ring 25 to bump mutually.
The other end of the first yoke plate 12 is connected with six first right-angle hanging plates 14, and each first right-angle hanging plate 14 is connected with a group of second connecting hardware fittings. The second link fitting group includes: the second link plate 17, the second hanging plate 18, the second right-angle hanging plate 13, the first adjusting plate 19, the second U-shaped hanging ring 20 and the strain clamp 27. Wherein, first right angle link plate 14 is connected to second yoke plate 17 one end, and second link plate 18 is connected to the other end, second right angle link plate 13 is connected to the second link plate 18 other end, first adjusting plate 19 is connected to the second right angle link plate 13 other end, be provided with the hole on the first adjusting plate 19, be convenient for adjust connection angle. The other end of the first adjusting plate 19 is connected with a second U-shaped hanging ring 20, and the other end of the second U-shaped hanging ring 20 is connected with a strain clamp 27. The first adjusting plate 19 on each second link fitting is connected with the strain clamp 27 on the other second link fitting.
The 750kV circuit triple six-split tension string provided by the utility model is introduced in detail and a specific example is applied to explain the principle and the implementation mode of the utility model, and the description of the above embodiment is only used to help understanding the method and the core idea of the utility model; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be changes in the specific embodiments and the application scope, and the content of the present specification should not be construed as a limitation to the present invention.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified, and the structural arrangements, operations, or controls referred to in the above embodiments are conventional in the art unless otherwise specified.
Finally, the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and other modifications or equivalent replacements made by the technical solutions of the present invention by those of ordinary skill in the art should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The utility model provides a 750kV circuit trigeminy six split tension string which characterized in that includes: the device comprises an insulator string, a three-to-two connecting plate (10), a first parallel hanging plate (11), a first connecting plate (12), a first right-angle hanging plate (14), a first connecting hardware set and a second connecting hardware set; wherein each of the insulator strings includes: the voltage-sharing shielding ring comprises an insulator (7), a voltage-sharing shielding ring (8), a first hanging plate (9) and a first U-shaped hanging ring (2);
one end of the insulator (7) is connected with a first connecting hardware set, the other end of the insulator (7) is connected with a first hanging plate (9), a voltage-sharing shielding ring (8) is installed at one end, close to the first hanging plate (9), of the insulator (7), the other end of the first hanging plate (9) is connected with a first U-shaped hanging ring (2), and the other ends of the first U-shaped hanging rings (2) on the three insulator strings are connected with the three-to-two connecting plates (10); the other end of the three-to-two yoke plate (10) is connected with two first parallel hanging plates (11), the other end of each first parallel hanging plate (11) is connected with a first yoke plate (12), the other end of each first yoke plate (12) is connected with six first right-angle hanging plates (14), and the other end of each first right-angle hanging plate (14) is connected with one group of second connecting hardware fittings.
2. The 750kV circuit triple six-split tension string according to claim 1, wherein a first shielding ring (24) is installed at one end, close to a second connecting fitting set, of the plate surface of the first yoke plate (12), a supporting spacer (25) is arranged on the second connecting fitting set, one end of the supporting spacer (25) is connected to the top end of the second connecting fitting, the other end of the supporting spacer is connected to the bottom end of the second connecting fitting, and a second shielding ring (15) is installed on the supporting spacer (25).
3. The 750kV line triple six-split tension string according to claim 1, wherein the second connection fitting set comprises: the device comprises a second gusset plate (17), a second hanging plate (18), a second right-angle hanging plate (13), a first adjusting plate (19), a second U-shaped hanging ring (20) and a strain clamp (27);
wherein, first right angle link plate (14) is connected to second yoke plate (17) one end, and second link plate (18) are connected to the other end, second right angle link plate (13) are connected to second link plate (18) other end, first adjusting plate (19) are connected to second right angle link plate (13) other end, second U type link (20) are connected to first adjusting plate (19) other end, strain clamp (27) are connected to second U type link (20) other end.
4. The 750kV line triple six-split tension string as claimed in claim 3, wherein the first hanging plate (9) is a socket hanging plate, and the second hanging plate (18) is a three-leg right-angle hanging plate.
5. The 750kV line triple six-split tension string as claimed in claim 3, wherein the tension clamp (27) is a crimping tension clamp.
6. The 750kV line triple six-split tension string according to claim 1, wherein the first connection fitting set comprises: the ball head hanging ring (6), the second parallel hanging plate (4), the traction plate (5), the third parallel hanging plate (26), the second adjusting plate (3), the first U-shaped hanging ring (2) and the trunnion hanging plate (1);
the ball head hanging ring (6) is connected with the insulator (7), the other end of the ball head hanging ring (6) is connected with the second parallel hanging plate (4), the other end of the second parallel hanging plate (4) is connected with the traction plate (5), the other end of the traction plate (5) is connected with the third parallel hanging plate (26), the other end of the third parallel hanging plate (26) is connected with the second adjusting plate (3), the other end of the second adjusting plate (3) is connected with the first U-shaped hanging ring (2), and the other end of the first U-shaped hanging ring (2) is connected with the trunnion hanging plate (1).
7. The 750kV line triple six-split tension string according to claim 1, wherein the insulator (7) is a 550kN porcelain insulator.
8. The 750kV line triple six-split tension string as claimed in claim 2, wherein the pipe diameters of the grading shield ring (8), the second shield ring (15) and the first shield ring (24) are all 80mm.
9. A 750kV line triple six-split tension string according to claim 2, characterized in that the openings of the grading shield ring (8), the second shield ring (15) and the first shield ring (24) are all upward.
10. The 750kV line triple six-split tension string as claimed in claim 2, wherein the first yoke plate (12) and the second yoke plate (17) are both triangular yoke plates, the triple-change two-yoke plate (10) is composed of two triangular yoke plates, and an insulator (7) is connected to the joint of the two triangular yoke plates and the two ends of the triple-change two-yoke plate (10) which form the triple-change two-yoke plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222656647.2U CN218214815U (en) | 2022-10-09 | 2022-10-09 | 750kV circuit trigeminy six split strain insulator-string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222656647.2U CN218214815U (en) | 2022-10-09 | 2022-10-09 | 750kV circuit trigeminy six split strain insulator-string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218214815U true CN218214815U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222656647.2U Active CN218214815U (en) | 2022-10-09 | 2022-10-09 | 750kV circuit trigeminy six split strain insulator-string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218214815U (en) |
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2022
- 2022-10-09 CN CN202222656647.2U patent/CN218214815U/en active Active
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