Tower node connection device made from composite material

A composite material and node connection technology, applied in towers, building types, buildings, etc., can solve problems such as the impact of insulation performance, achieve safe and reliable performance, simple installation and use methods, and improve the effect of lightning protection

Active Publication Date: 2012-12-26
CHINA ELECTRIC POWER RES INST +3
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Problems solved by technology

[0010] The object of the present invention is to provide a composite material pole tower node connection device and installation and use method. The connection device of the present invention adopts full composite material connection, which solves the problem of the insulation performance of composite material pole towers when metal connectors are used to con...

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  • Tower node connection device made from composite material
  • Tower node connection device made from composite material
  • Tower node connection device made from composite material

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Embodiment Construction

[0034] Below in conjunction with example the present invention is described in detail.

[0035] The purpose of the present invention is to provide a full composite connection technology for composite material towers, which is used to solve the problem of unsatisfactory insulation performance of existing metal flange connection structures, and achieve the purpose of improving the insulation performance of composite material towers.

[0036] The invention provides an all-composite material connection device, which includes: a main rod 1 , a cross arm 3 and a node hoop 2 . The main rod 1 adopts a composite material winding structure, and the whole adopts the tipping form. After the main rod 1 is cured at room temperature as a whole, it is post-processed at a medium temperature, and is machined at the connection between the large end and the hoop 2 area of ​​the cross arm 3, and the small end head position, an arched top cap is set to prevent rainwater from entering; the cross arm...

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Abstract

The invention aims to provide a tower node connection device made from a composite material and an installation and application method. The connection device adopts all composite material for connection, and solves the influence of a metal connection member, adopted to connect a main pole and a cross arm, on the insulating performance of a composite material tower and the problems on tower weight and lightning proof arrangement brought about by the metal connection member. The device mainly comprises the main pole, a hoop and the cross arm. The hoop includes a hoop main body, an insert-connection base and a reinforcing wall. The cross arm has a round or polygonal cross section. The main pole adopts a composite material winding structure, and has a tapered whole body. The cross arm is formed by pultrusion or winding molding and has a conical or columnar structure, and the external part of the cross arm is of shed structure. The node hoop is formed by resin transfer molding, and has a boss reverse locking structure at the part insert-connected with the cross arm. The device makes full use of the insulation gap between the electrified part of the tower head and the grounding part to realize line corridor compression and lightning protection improving effects.

Description

technical field [0001] The invention belongs to the technical field of power transmission composite material pole towers, and in particular relates to a composite material pole tower node connection device. Background technique [0002] At present, the poles and towers widely used in overhead transmission lines at home and abroad mainly include concrete poles and iron poles. The transmission lines with a voltage level of 110kV and above in my country mostly use iron towers. During the use of iron towers, many defects and problems that need to be solved have been exposed. Such as bulky size, high installation cost, high maintenance cost, and lightning, ice and snow, heavy fog and air pollution will all pose threats to the safe power transmission of traditional towers. [0003] Due to its excellent comprehensive properties, such as high strength, light weight, corrosion resistance, and good insulation, composite materials are very suitable for tower structures. It can effectiv...

Claims

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Application Information

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IPC IPC(8): E04H12/02E04H12/24
Inventor 张卓葛维春崔文军于欣张宏宇
Owner CHINA ELECTRIC POWER RES INST
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