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Single-tip cross arm and transmission tower

A transmission tower and cross-arm technology, applied in the field of transmission insulation equipment, can solve problems such as waste, increased cost, and complex structure

Pending Publication Date: 2019-01-15
国网新疆电力有限公司建设分公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially in some special towers such as transposition towers and strain towers, there is no need to hang wires on both sides of the transmission tower, and it is wasteful to use symmetrically arranged cross arms on both sides of the transmission tower, which not only complicates the structure, but also greatly increased cost

Method used

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  • Single-tip cross arm and transmission tower
  • Single-tip cross arm and transmission tower
  • Single-tip cross arm and transmission tower

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] like figure 1 As shown, the transmission tower 1000 of this embodiment is a lattice steel tower, which has a tower leg 1001, a tower body 1002 connected above the tower leg 1001, and a tower head 110 connected above the tower body 1002, and the tower head 110 is provided with There is a single pointed cross arm 120, and the single pointed cross arm 120 is used to hang the wire 130, and the section of the tower head 110 along the horizontal plane is a square. The tower legs 1001, the tower body 1002 and the tower head 110 are all made of angle steel.

[0025] Of course, the present invention is not limited thereto. In other embodiments, the power transmission tower 1000 may also use other metal materials such as iron, or may also use composite materials. The section of the tower head 110 along the horizontal plane may also be rectangular.

[0026] like figure 2 , image 3 As shown, in this embodiment, the single-pointed cross-arm 120 has two sets of cross-arm insula...

Embodiment 2

[0044] see Figure 5 , the structure of the single-pointed cross-arm 220 in this embodiment is basically the same as that of the single-pointed cross-arm 120 in Embodiment 1, the difference is that the first cross-arm insulator 240 and the second cross-arm insulator 250 are one Composed of composite insulators, without auxiliary cross-arm insulators. Moreover, the first cross-arm insulator 240 is directly connected to the midpoint of the first angle steel 201 , so as to be connected to the tower head 210 , without setting auxiliary arms and auxiliary cable-stayed insulators. The structure of the second cross-arm insulator 250 is the same as that in the first embodiment.

[0045] Of course, the present invention is not limited thereto. In other embodiments, the second cross-arm insulator 250 may also be directly connected to the midpoint of the second angle steel. Or both the first cross-arm insulator 240 and the second cross-arm insulator 250 are directly connected to the mi...

Embodiment 3

[0047] see Image 6 , the structure of the single-pointed cross-arm 320 in this embodiment is basically the same as that of the single-pointed cross-arm 120 in Embodiment 1, the difference is that a second cable-stayed insulator 390 and a third cable-stayed insulator are also provided 391, one end of the second cable-stayed insulator 390 is connected to the connection between the first cable-stayed insulator 380 and the tower head 310, and the other end of the second cable-stayed insulator 390 is connected to the first cross-arm insulator 340 and the auxiliary cross-arm insulator 370 Junction. One end of the third cable-stayed insulator 391 is connected to the connection between the first cable-stayed insulator 380 and the tower head 310, and the other end of the third cable-stayed insulator 391 is connected to the connection between the second cross-arm insulator 350 and the auxiliary cross-arm insulator 370 .

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PUM

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Abstract

The invention discloses a single-tip cross arm applied to a transmission tower. The transmission tower includes a tower head, wherein the cross section of the tower head along the horizontal plane isa rectangular cross section, the single-point cross arm has two sets of cross-arm insulators arranged in V-shape configuration along the horizontal plane, one ends of the two sets of cross-arm insulators at the V-shaped opening are respectively disposed on adjacent sides of the rectangular cross section, and the other ends of the two sets of cross-arm insulators at the V-shape vertex are joined together to form a hitch point for hitching wires. The invention further discloses the transmission tower.

Description

technical field [0001] The invention relates to the field of power transmission insulation equipment, in particular to a single pointed cross arm and a power transmission tower. Background technique [0002] The transmission tower is an important supporting structure in the transmission line, and its structure and materials directly affect the construction speed, reliability, installation, maintenance, and repair of the transmission line. The cross-arm is set on the transmission tower to hang the wires. The cross-arms are generally arranged symmetrically on both sides of the transmission tower. The free ends of the cross-arms are hung with wires. The specific structure and setting method of the cross-arm greatly affect the width of the corridor. , tower head size, tower height and the corresponding demolition, installation, transportation costs, etc. Especially in some special towers such as transposition towers and strain towers, there is no need to hang wires on both side...

Claims

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Application Information

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IPC IPC(8): E04H12/00E04H12/24
CPCE04H12/00E04H12/24
Inventor 周楠何金业马斌程峰杨世江张健毕雪昱潘晓冬谢金华王金锁徐玉波穆峰磊黄清郁杰李德权
Owner 国网新疆电力有限公司建设分公司
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