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CN-224233307-U - Very split conductor suspension string suitable for ultra-high altitude

CN224233307UCN 224233307 UCN224233307 UCN 224233307UCN-224233307-U

Abstract

The utility model discloses a very split conductor suspension string suitable for an ultra-high altitude, which belongs to the technical field of suspension strings and comprises two groups of suspension string units and suspension link plates, wherein the two groups of suspension string units are connected through the suspension link plates and are symmetrically distributed, each suspension string unit comprises a conductor side fitting, an equalizing ring, an insulator string assembly and a hanging point side fitting which are sequentially connected, each insulator string assembly comprises a triple insulator string, the triple insulator strings are arranged between the equalizing ring and the hanging point side fitting in parallel at intervals, the two conductor side fittings are connected through the suspension link plates, and the two hanging point side fittings are respectively connected with an iron tower cross arm. The structure of the very split conductor suspension string suitable for the ultra-high altitude can ensure that the electromagnetic environment and the air gap of the power transmission line are not out of limits under the ultra-high altitude condition, meets the ecological environment protection requirement, and organically combines engineering construction, economic development and ecological environment protection.

Inventors

  • LIU JIONG
  • CAO LIWEI
  • XIONG GAOLIN
  • MAO YUXIANG
  • XING DONGMING
  • PENG HAO
  • TANG DAIJUN
  • LIU KE
  • Ma Haimuga
  • LI XIN
  • MA HAIYUN
  • LIANG MING
  • HU QUAN
  • LI LIANG
  • SHENG DAOWEI
  • LI YUBING

Assignees

  • 中国电力工程顾问集团西南电力设计院有限公司

Dates

Publication Date
20260512
Application Date
20250411

Claims (10)

  1. 1. A very split conductor suspension string suitable for an ultra-high altitude is characterized by comprising two groups of suspension string units and suspension connecting plates (14), wherein the two groups of suspension string units are connected through the suspension connecting plates (14) and are symmetrically distributed, each suspension string unit comprises a conductor side fitting, an equalizing ring (11), an insulator string (10) component and a hanging point side fitting which are sequentially connected, the insulator string (10) component comprises a triple insulator string (10), the triple insulator string is arranged between the equalizing ring (11) and the hanging point side fitting at intervals in parallel, the two conductor side fittings are connected through the suspension connecting plates (14), and the two hanging point side fittings are respectively connected with an iron tower cross arm.
  2. 2. The very split conductor suspension string suitable for ultra-high altitudes as claimed in claim 1 is characterized in that the conductor-side hardware fitting comprises a first connecting plate (13) and a bowl-head hanging plate (12) which are sequentially connected, the other end of the first connecting plate (13) is connected with a suspension connecting plate (14), and the other end of the bowl-head hanging plate (12) is connected with an insulator string (10) component.
  3. 3. The very split conductor suspension string suitable for the ultra-high altitude according to claim 2, wherein a connecting bracket is arranged on the equalizing ring (11) and is used for being connected with the first connecting plate (13), and the equalizing ring (11) faces the direction of the hanging point side hardware fitting.
  4. 4. A split-ten conductor catenary for ultra-high altitudes according to claim 3, wherein the insulator string (10) is a glass insulator or porcelain insulator.
  5. 5. The very split conductor suspension string for ultra-high altitudes as claimed in claim 4, wherein the insulator string (10) is a composite insulator string (10) or a disc insulator string (10).
  6. 6. The very split conductor suspension string suitable for the ultra-high altitude, as claimed in claim 5, is characterized in that the suspension point side hardware fitting comprises a ball head hanging plate (9), a DB adjusting plate (8), a first right angle hanging plate (7), a second connecting plate (6), a parallel hanging plate (5), a third connecting plate (4), a second right angle hanging plate (3), a third right angle hanging plate (2) and a trunnion hanging plate (1) which are sequentially connected, the other end of the ball head hanging plate (9) is connected with an insulator string (10) component, and the other end of the trunnion hanging plate (1) is connected with an iron lapping cross arm.
  7. 7. A split conductor catenary for an ultra high altitude, according to claim 6, wherein two sets of said catenary units are disposed perpendicular to each other.
  8. 8. A split conductor catenary for ultra-high altitudes according to claim 7 wherein said insulator strings (10) are arranged in a vertical line direction.
  9. 9. A split conductor suspension string for ultra high altitudes as claimed in claim 8, wherein a plurality of suspension clamps (15) are provided on the suspension yoke plate (14) for stabilizing the conductor.
  10. 10. The very split conductor suspension string for ultra-high altitudes according to claim 9, wherein a weight (16) is further provided on the suspension link plate (14).

Description

Very split conductor suspension string suitable for ultra-high altitude Technical Field The utility model belongs to the technical field of suspension strings. In particular to a very split conductor suspension string suitable for ultra-high altitude. Background More and more overhead transmission lines pass through 2000 m-5000 m ultra-high altitude areas, the electromagnetic environment of the transmission lines faces serious challenges, and the conventional 6-split and 8-split lead combination cannot meet the electromagnetic environment requirements. The electromagnetic environment of an ac transmission line refers to the sum of all electromagnetic phenomena existing in a given location, and mainly relates to the aspects of power frequency electric field, power frequency magnetic field, radio interference, audible noise and the like. In the design and construction of transmission lines, these electromagnetic environmental factors must be made to meet environmental requirements. Therefore, in order to ensure that the electromagnetic environment and air gap of the power transmission line are not overrun under the ultra-high altitude condition, a novel suspension insulator string type needs to be designed. Disclosure of utility model The utility model aims to provide a very split conductor suspension string suitable for an ultra-high altitude, aiming at the defects, and the structure can ensure that the electromagnetic environment and the air gap of a power transmission line are not overrun under the ultra-high altitude condition, thereby meeting the ecological environment protection requirement and organically combining engineering construction, economic development and ecological environment protection. In order to achieve the above object, the present utility model provides the following technical solutions: The quite split conductor suspension string suitable for the ultra-high altitude comprises two groups of suspension string units and suspension yoke plates, wherein the two groups of suspension string units are connected through the suspension yoke plates and are symmetrically distributed, each suspension string unit comprises a conductor side fitting, an equalizing ring, an insulator string assembly and a hanging point side fitting which are sequentially connected, each insulator string assembly comprises a triple insulator string, the triple insulator strings are arranged between the equalizing ring and the hanging point side fitting at intervals in parallel, the two conductor side fittings are connected through the suspension yoke plates, and the two hanging point side fittings are respectively connected with an iron tower cross arm. Further, the wire side hardware fitting comprises a first connecting plate and a bowl head hanging plate which are sequentially connected, the other end of the first connecting plate is connected with the hanging connecting plate, and the other end of the bowl head hanging plate is connected with the insulator string assembly. Furthermore, a connecting bracket is arranged on the equalizing ring and used for being connected with the first yoke plate, and the equalizing ring faces the direction of the hanging point side hardware fitting. Further, the insulator string is a glass insulator or a porcelain insulator. Further, the insulator string is a composite insulator string or a disc-shaped insulator string. Further, the hanging point side hardware fitting comprises a ball head hanging plate, a DB adjusting plate, a first right-angle hanging plate, a second connecting plate, a parallel hanging plate, a third connecting plate, a second right-angle hanging plate, a third right-angle hanging plate and a trunnion hanging plate which are sequentially connected, the other end of the ball head hanging plate is connected with an insulator string assembly, and the other end of the trunnion hanging plate is connected with an iron lap cross arm. Further, the two groups of the suspension string units are arranged perpendicular to each other. Further, the insulator strings are arranged in a vertical line direction. Further, a plurality of suspension clamps are arranged on the suspension yoke plates and used for stabilizing the wires. Further, a weight plate is further arranged on the suspension connecting plate. The beneficial effects of the utility model are as follows: The utility model relates to a very split conductor suspension string suitable for an ultra-high altitude area, which is suitable for a very split line conductor and a suspension tower in an ultra-high altitude area, and the structure can ensure that the electromagnetic environment and the air gap of a power transmission line are not overrun under the ultra-high altitude condition, meet the ecological environment protection requirement and promote the harmony and coexistence of the power grid construction and the ecological environment. Drawings FIG. 1 is a front view of the present utility model; FIG. 2 is a top vie