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Power transmission tower angle steel reinforcing device

A technology for strengthening devices and transmission towers, which is applied in towers, building maintenance, building types, etc., can solve the problems of increased brittleness of main materials, weakened strength of main materials, easy cracking of main materials of angle steel, etc., to achieve increased strength, convenient construction and operation, Avoid the effect of strength destruction

Pending Publication Date: 2019-12-03
ZHEJIANG UNIV OF TECH
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  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

The traditional clamp connection cannot be closely attached to the main material of the original angle steel; the bolt connection needs to open holes in the angle steel of the transmission tower, which will weaken the strength of the main material due to the opening, and sometimes requires high-altitude operations, which is difficult to drill, and there are holes. Accuracy and large hole expansion greatly reduce the reinforcement effect; the high temperature effect of the welding method on the main material of the angle steel increases the brittleness of the main material, making the main material of the angle steel easy to crack

Method used

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  • Power transmission tower angle steel reinforcing device
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  • Power transmission tower angle steel reinforcing device

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Embodiment Construction

[0027] The technical scheme of the present invention will be further described below in conjunction with the drawings.

[0028] Such as Figure 1 to Figure 7 As shown, a transmission tower angle steel reinforcement device includes a first reinforcement angle steel 12, a second reinforcement angle steel 13, and a third reinforcement angle steel 14 having the same cross-section as the transmission tower main material 11. The transmission tower main material 11 and the first reinforcing angle steel 12, the second reinforcing angle steel 13, and the third reinforcing angle steel 14 are spliced ​​into a cross-shaped structure 1;

[0029] The cross-section of the cross-shaped structure 1 forms four quadrants according to the plane coordinate system. The end of the cross-shaped structure 1 is connected to a reinforcing member 2, and the reinforcing member 2 includes: the surface of each quadrant is attached to a reinforcing angle steel , The right-angle sides of the reinforced angles 21,...

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Abstract

The invention discloses a power transmission tower angle steel reinforcing device which comprises a cross-shaped structure, a reinforcing component, overlapping components and a connecting component.The cross-shaped structure is formed by splicing a power transmission tower main material and three reinforcing angle steels with the same cross section. The end of the cross-shaped structure is connected with a reinforcing component, and the reinforcing component includes four reinforcing angle steels, the reinforcing angle steels are attached to the cross-shaped structure, and right-angled edgesof every two adjacent reinforcing angle steels are connected by bolts; each overlapping component is composed of two large discs and a small disc in an overlapped mode; and each connecting componentis composed of a hexagon nut, a screw rod and a hollow pipe with internal threads at ends, the hollow pipes are connected with the overlapping components at the two ends, and the screw rods are connected with the overlapping components and end face plates of the reinforcing angle steels. Power transmission tower angle steel reinforcing can be achieved, the strength of the power transmission towermain material is not damaged, the power transmission tower angle steel reinforcing effect is further improved, high-altitude drilling and welding are not needed, and construction operation is convenient.

Description

[0001] (1) Technical field [0002] The invention relates to a reinforcing device for angle steel of a transmission tower. [0003] (2) Background technology [0004] High-voltage transmission lines are an important national lifeline project. Once a collapse accident occurs, it will cause a large-scale power supply interruption, affect people's daily life, and bring great losses to the national economy, life and property safety. [0005] Transmission towers play a role in supporting high-voltage transmission lines. In the current high-voltage transmission lines, most transmission towers are constructed of equal-leg angle steel. The power transmission tower structure is a tall structure with a large aspect ratio, which is very sensitive to wind and often collapses due to wind. Affected by typhoons and monsoons, transmission towers in coastal areas are subject to greater wind power, and areas such as the bases of transmission towers are subject to greater forces, which require higher st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04G23/02E04H12/00E04H12/08
CPCE04G23/02E04G23/0218E04H12/00E04H12/08
Inventor 郭健胡成杰胡文侃
Owner ZHEJIANG UNIV OF TECH
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