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Terminal strain tower for double-tier framework wire outgoing

A technology of terminal towers and tension towers, which is applied in the field of transmission line iron towers, can solve the problems of limited selection of wire phase sequence arrangement, achieve the effect of improving the degree of freedom of phase sequence arrangement, increasing the degree of freedom of phase sequence arrangement, and wide application range

Active Publication Date: 2016-11-23
ANHUI ELECTRIC POWER DESIGN INST CEEC
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the defect of the terminal strain tower in the prior art that the selection of the phase sequence arrangement of the wires is limited when the double-layer structure goes out, and to provide a terminal strain tower for the double-layer structure to solve the above problems

Method used

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  • Terminal strain tower for double-tier framework wire outgoing
  • Terminal strain tower for double-tier framework wire outgoing
  • Terminal strain tower for double-tier framework wire outgoing

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Embodiment Construction

[0026] In order to have a further understanding and understanding of the structural features of the present invention and the achieved effects, the preferred embodiments and accompanying drawings are used for a detailed description, as follows:

[0027] Such as image 3 As shown, a terminal tension tower used for double-layer frame outlets according to the present invention includes a tower body 1, and the tower body 1 is sequentially installed with a first layer of cross arms 2 and a second layer of cross arms 3 from top to bottom. , The third-layer cross-arm 4 and the fourth-layer cross-arm 5, the first-layer cross-arm 2 is the cross-arm shared by the ground wire and the wire. Considering that the distance between the incoming line stalls is generally small, the vertical distance between the ground wire and the upper wire is required to be relatively large. Small, can be arranged as a cross arm.

[0028] For the tower body 1, the cross-arm installed on it can realize the in...

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Abstract

The invention relates to a terminal strain tower for double-tier framework line outgoing and solves the problem that the terminal strain tower has limited wire phase-order selections in double-tier framework wire outgoing when compared with the prior art. Framework side wire strain insulator strings are all fitted on terminal tower framework sides of first, second and third tiers of cross arms, each framework side wire strain insulator string is fitted with a terminal tower incoming wire, line side wire strain insulator strings are all fitted on terminal tower line sides of the second, third and fourth tiers of cross arms, and each line side wire strain insulator string is fitted with a terminal tower outgoing wire. The freedom of phase-order arrangement of double-tier framework wire outgoing can be greatly increased, and special projects having strict requirements on wire phase-order arrangement are satisfied.

Description

technical field [0001] The invention relates to the technical field of transmission line iron towers, in particular to a terminal tension tower used for double-layer frame outgoing lines. Background technique [0002] The design of substation outgoing lines is usually for the structure of single-layer structure, but in economically developed and densely populated areas, in order to reduce the size of substations and reduce permanent land occupation, more and more substations consider adopting the structure of double-layer structure. [0003] At present, the outgoing lines of the double-layer structure adopt ordinary double-circuit terminal strain towers, that is, one-layer ground wire support and three-layer wire cross-arm, such as figure 1 and figure 2 As shown, the conductors are vertically arranged on the three-layer conductor cross-arm, arranged in the same layer. After analysis and calculation, using ordinary double-circuit terminal strain towers, most of the phase s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04H12/08H02G7/20
CPCE04H12/08H02G7/20
Inventor 包华张大伟钱程谢枫
Owner ANHUI ELECTRIC POWER DESIGN INST CEEC
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