Novel composite hollow electric pole

Abstract

The invention discloses a novel composite hollow electric pole which comprises a first pole body and a second pole body. The front end of the first pole body is fixedly connected with an expansion structure, the expansion structure comprises a limiting block and a guide column, and the expansion structure has two limit states that in the contraction state, the limiting block is attached to the circumferential surface of the guide column, and in the expansion state, the limiting block expands to the limit position in the circumferential direction of the guide column. The second pole body comprises a first connecting part, a second connecting part and connecting pieces located between the first connecting part and the second connecting part. One end of each connecting piece is fixed with thefirst connecting part, the other end of each connecting piece is fixed with the second connecting part, at least two connecting pieces are arranged between the first connecting part and the second connecting part at intervals, and a notch is formed between the two connecting pieces. When the first pole body and the second pole body are connected, the expansion structure in the contraction state is placed in the first connecting part firstly, the expansion structure is adjusted to the expansion state from the contraction state, and in the expansion state, the limiting block is embedded into the notch and clamped with the notch, so that fixing is completed.

Description

technical field [0001] The invention relates to the technical field of electric pole devices, in particular to a novel composite material hollow electric pole. Background technique [0002] The electric pole is a bridge for electricity, allowing electricity to be transmitted to various places. Our common electric poles include wooden electric poles, concrete electric poles and iron electric poles. Among them, wooden poles have the advantages of light weight and insulation, but the disadvantages are low structural strength, no fire protection, and no corrosion resistance. Concrete poles have high structural strength and can bear a large weight. The disadvantage is that they are bulky and heavy, and it is inconvenient to install and transport. The ferroelectric pole has the advantages of high mechanical strength and long service life, but the disadvantage is that it is not insulated and has weak resistance to the atmosphere, water, general concentrations of acids, alkalis, sa...

AI Technical Summary

Problems solved by technology

Among them, wooden poles have the advantages of light weight and insulation, but the disadvantages are low structural strength, no fire protection, and no corrosion resistance.

Concrete poles have high structural strength and can bear a large weight. The disadvantage is that they are bulky and heavy, and it is inconvenient to install and transport.

The iron pole has the advantages of high mechanical strength and long service life. The disadvantage is that it is not insulated and has weak resistance to the atmosphere, water, general concentrations of acids, alkalis, salts, and various oils and solvents.

[0003] At present, there are also composite electric poles made of new materials. With reference to a patent published in China, a composite electric pole with a clamping structure (CN108049692A), it discloses an electric pole made of glass fiber. Of course, in the prior art There are also some polyurethane poles; this type of pole structure is lighter and easier to transport, but most of the installation or splicing structures of this type of pole still use traditional flange connections;

[0004] The advantage of the flange connection is that the structure is stable and the compression resistance is good; but there are also certain disadvantages: for example, the flange requires special connection tools, welding (the welding process may cause damage to the pole itself), Painting and other processes; the operation is cumbersome, and more importantly, the related connectors of the flange cannot form a complete set of components with this type of pole in production, and need to be purchased separately, and then assembled with standard parts, lacking coordination

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