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500 kilovolt single-circuit power transmission tower

A technology of transmission towers and towers, which is applied in the field of transmission towers, can solve the problems of occupying a large space in transmission corridors and high construction costs of towers, and achieve the effects of low-carbon economic development, weight reduction of towers, and improvement of safety performance

Pending Publication Date: 2018-10-23
CEEC SHANXI ELECTRIC POWER EXPLORATION & DESIGN INST
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention provides a 500 kV single-circuit transmission iron tower, which solves the technical problems of large space occupied by the transmission corridor and high construction cost of the iron tower caused by the large height and long cross-arm of the high-voltage level transmission iron tower

Method used

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  • 500 kilovolt single-circuit power transmission tower
  • 500 kilovolt single-circuit power transmission tower
  • 500 kilovolt single-circuit power transmission tower

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Embodiment Construction

[0018] The present invention is described in detail below in conjunction with accompanying drawing:

[0019] A 500 kV single-circuit power transmission tower, comprising a wine glass-shaped iron tower body 11 and a rabbit-head-shaped iron tower window 12, and a V-shaped middle-phase insulator string 20 is arranged in the rabbit-head-shaped iron tower window 12. On the left outer surface of the connection between the iron tower body 11 and the rabbit-head-shaped iron tower window 12, a left phase insulating composite cross arm 21 is fixedly arranged, and on the right side of the connection between the wine glass-shaped iron tower body 11 and the rabbit-head-shaped iron tower window 12 The right phase insulating composite cross-arm 22 is fixedly arranged on the outer surface, the left phase insulating composite cross-arm 21 and the right phase insulating composite cross-arm 22 are arranged symmetrically with the central axis of the iron tower, and the left phase insulating compos...

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Abstract

The invention discloses a 500 kilovolt single-circuit power transmission tower. The tower solves the problems that due to a large nominal height and a long cross arm of a high voltage class power transmission tower, the occupied space of a power transmission corridor is large, and the construction cost of the tower is high. According to a wineglass-shaped tower body (11) and a rabbit-head-shaped tower window (12), a V-shaped distribution intermediate phase insulator string (20) is arranged in the rabbit-head-shaped tower window (12), the left and right outer side surfaces of the joint of the wineglass-shaped tower body (11) and the rabbit-head-shaped tower window (12) are fixedly provided with left side phase insulating composite cross arms, the left side phase insulating composite cross arms (21) and right side phase insulating composite cross arms (22) are symmetrically arranged with a central axis of the tower as the axis of symmetry, and the left side phase insulating composite cross arms (21) and the right side phase insulating composite cross arms (22) are of the same structure; the side phase insulating composite cross arms and the wineglass-shaped tower form a shape of a stable triangle structure. The width of the power transmission corridor is significantly reduced, and the weight of the tower is greatly reduced.

Description

technical field [0001] The invention relates to a power transmission tower, in particular to a 500 kV single-circuit power transmission tower. Background technique [0002] With the development of power grid construction, there are more and more transmission lines, and the voltage level of transmission lines is getting higher and higher. The demand for steel is also increasing, consuming a large amount of electricity. mineral energy and cause damage to the ecological environment. At present, most of the towers of transmission lines above 110kV in my country adopt all-steel structures, but the steel has defects such as heavy weight, easy to rust or crack, and there are also problems in construction, transportation, operation and maintenance. Transmission lines are prone to faults and accidents such as pollution flashover and wind deflection discharge. The existing transmission tower is generally in the shape of a goblet. A glyph-shaped cross arm is fixed on the top of the to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H12/10E04H12/24
CPCE04H12/10E04H12/24
Inventor 陈宏王瑞田宇庞金龄赵虎元任民朱晓东梁经龙蒙春玲郝静亮段志强
Owner CEEC SHANXI ELECTRIC POWER EXPLORATION & DESIGN INST