CN209293540U - A kind of compound cross-arm power transmission tower of 110kV common-tower double-return road lattice - Google Patents

A kind of compound cross-arm power transmission tower of 110kV common-tower double-return road lattice Download PDF

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Publication number
CN209293540U
CN209293540U CN201821825400.6U CN201821825400U CN209293540U CN 209293540 U CN209293540 U CN 209293540U CN 201821825400 U CN201821825400 U CN 201821825400U CN 209293540 U CN209293540 U CN 209293540U
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China
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arm
cross
tower
conducting wire
power transmission
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徐锃
李喜来
张彤
赵雪灵
潘峰
李君斌
邢月龙
沈建国
陈成
潘羽
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Energy Source In China Construction Group Zhejiang Province Power Design Institute Co Ltd
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Energy Source In China Construction Group Zhejiang Province Power Design Institute Co Ltd
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Abstract

A kind of compound cross-arm power transmission tower of 110kV common-tower double-return road lattice, it mainly includes tower leg, tower body lower part, tower body top, the compound cross-arm of double loop lattice and earth wire support;The compound cross-arm of double loop lattice includes the three layer conductor cross-arms with vertical tower body lateral arrangement, it is followed successively by conducting wire cross-arm, middle conducting wire cross-arm and lower wire cross-arm from top to bottom, six phase conductors are all made of " I " type hardware string and are coupled with power transmission tower conducting wire cross-arm;Upper conducting wire cross-arm, middle conducting wire cross-arm and the lower wire cross-arm is double loop composite material cross arm, and cross-arm component therein uses high-strength and high-modulus glass fibre reinforced composion tubular type section structural member, and component surface wraps up silicon rubber umbrella skirt;It has the characteristics that light-weight, strength-weight ratio is big, saves great deal of steel, good insulation preformance, it is horizontal that insulating Design can be effectively reduced, reduces phase conductor spacing and width of corridor, easy processing molding, transport and easy for installation.

Description

A kind of compound cross-arm power transmission tower of 110kV common-tower double-return road lattice
Technical field
The utility model relates to a kind of compound cross-arm power transmission towers of 110kV common-tower double-return road lattice, belong to transmission of electricity work Journey technical field.
Background technique
With the high speed development of urban construction, soil becomes more and more rare resource, the sight that people economize the land resource It reads and beautiful, environmental protection theory constantly enhances.There is currently the problem of be on the one hand be with the development of economy, city Electricity consumption sharply increases, and the transmission capacity of some routes has been far from satisfying the requirement of enterprise and people's electricity consumption;And it is another On the one hand, since environment and sense of self-protection is greatly improved in the present common people, so that transmission line of electricity is in policy processing, removal Placement, saving corridor etc. become very difficult.This is exactly that composite material starts the one of the major reasons for being applied to power transmission tower.
Composite material has many advantages, such as that light-weight, intensity is high, corrosion-resistant, machine-shaping is convenient, good electrical insulating property, mesh Preceding electric power line pole tower has become possibility using composite material.After composite material, a large amount of steel, and benefit can be saved With its insulation performance, it is not only easy to solve windage yaw and the pollution flashover accident of route, improves line security operation level, while can also contract Small tower head size reduces width of corridor, economizes the land resource, and reduces removal expense, reduces construction investment cost.In addition, due to The transport and assembling cost of shaft tower can be greatly reduced in the characteristics of composite weight is light, and easy processing forms.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of utilization good insulation of composite material Performance and higher mechanical strength, with provide optimization corridor occupied space, cross-arm use composite material 110kV common-tower double-return Road lattice composite material power transmission tower.
The purpose of this utility model is completed by following technical solution, a kind of 110kV common-tower double-return road lattice Compound cross-arm power transmission tower, it mainly includes tower leg, tower body lower part, tower body top, the compound cross-arm of double loop lattice and ground wire branch Frame;The compound cross-arm of double loop lattice includes the three layer conductor cross-arms with vertical tower body lateral arrangement, on to Under be followed successively by conducting wire cross-arm, middle conducting wire cross-arm and lower wire cross-arm, six phase conductors and be all made of " I " type hardware string and led with power transmission tower Line cross-arm is coupled.
As preferred: upper conducting wire cross-arm, middle conducting wire cross-arm and the lower wire cross-arm is that double loop composite material is horizontal Load, cross-arm component therein use high-strength and high-modulus glass fibre reinforced composion tubular type section structural member, component surface package Silicon rubber umbrella skirt connects between the component of double loop composite material cross arm and using steel sleeve between component and tower body.
Due to compound material insulation better performances, the long (cancellation of hardware string can be reduced in the case where ensuring same dielectric level conditions Insulator) and conducting wire and tower body between air spacing compress corridor to reduce three-phase conducting wire spacing.
Newest composite material is applied to conventional power transmission tower by the utility model, passes through reasonable electrical planning and structure meter It calculates, using the insulation performance of composite material, cancels insulator, reduce the length of hardware string, reduce the windage yaw of hardware string, to have It is excessive, wide that effect ground solves the problems, such as that transmission line of electricity occupies corridor.The utility model is by the lattice to 110kV common-tower double-return road series Structure formula power transmission tower is studied, and develops a kind of novel crossarm composite material lattice formula transmission line tangent tower.
Compared with prior art, the utility model has following beneficial technical effect: 1) light-weight, strength-weight ratio Greatly, great deal of steel is saved;2) good insulation preformance is effectively reduced insulating Design level, reduces phase conductor spacing, it is wide to reduce corridor The accidents such as degree, in addition can substantially reduce lightning flash over, and ice is dodged, waved;3) resistant to chemical etching, wear-resisting, waterproof, fire resistant flame retardant;4) Easy processing molding, installation and transportation and easy to assembly.
Detailed description of the invention
Attached drawing 1 is the overall structure diagram of the utility model;
Attached drawing 2 is composite tube type section structural member schematic diagram described in the utility model;
Attached drawing 3 is cross-arm component connector steel sleeve schematic diagram described in the utility model.
Label shown in figure has: cross-arm on 1 earth wire support, 2 conducting wires, cross-arm, 5 tower bodies under cross-arm, 4 conducting wires in 3 conducting wires Top, 6 tower body lower parts, 7 tower legs, 8 hardware strings, 9 tubular type sections, 10 component outsourcing silicon rubber umbrella skirts, 11 steel sleeves, 12 casings Plate, 13 bolts.
Specific embodiment
Below in conjunction with attached drawing, the utility model is further introduced.It is described in the utility model shown in Fig. 1-3 The compound cross-arm power transmission tower of 110kV common-tower double-return road lattice, it mainly includes tower leg 7, tower body lower part 6, tower body top 5, double back Road composite material cross arm 2/3/4 and earth wire support 1;The double loop composite material cross arm includes vertically arranged three layer conductor Cross-arm, is followed successively by conducting wire cross-arm 2, middle conducting wire cross-arm 3 and lower wire cross-arm 4 from top to bottom, and six phase conductors are all made of " I " type gold Tool string is coupled with power transmission tower conducting wire cross-arm.
The double loop composite material cross arm is: cross-arm component is using high-strength and high-modulus glass fibre reinforced composion circle Cast section structural member 9, component surface wrap up silicon rubber umbrella skirt 10, use between compound cross-arm component and between component and tower body Steel sleeve 11 connects.
Due to compound material insulation better performances, the long (cancellation of hardware string can be reduced in the case where ensuring same dielectric level conditions Insulator) and conducting wire and tower body between air spacing compress corridor to reduce three-phase conducting wire spacing.
It is coupled as an improvement six phase conductors are all made of " I " type hardware string with power transmission tower conducting wire cross-arm, is gone here and there long It reduces and further shortens cross-arm length, to compress route width of corridor.
As an improvement tower head vertical interval is consistent with conventional tower, when encountering repairing, make compound cross-arm can To be changed to the ordinary steel cross-arm of same voltage class.
As an improvement the composite material cross arm uses tubular type section, connected by way of steel sleeve and plate, Compared to the composite element that traditional end uses flange, weight greatly reduces, and installation and conventional tower are almost the same, avoids Connect changeover portion, convenient and quick construction.
Embodiment: a kind of common-tower double-return road power transmission tower of novel lattice composite material cross arm, it include earth wire support 1, Cross-arm 2 on conducting wire, cross-arm 4, tower body top 5, tower body lower part 6, tower leg 7 and hardware string 8 form under cross-arm 3, conducting wire in conducting wire.
After common-tower double-return road power transmission tower cross-arm uses composite material, consider according to cross-arm all insulation, cancels insulator, gold Tool string is long to be shortened, and Clearance joints accordingly reduce, and width of corridor reduces, and is improved unit corridor transmission capacity, is embodied good economy Property and the feature of environmental protection.

Claims (2)

1. a kind of compound cross-arm power transmission tower of 110kV common-tower double-return road lattice, it mainly include tower leg (7), tower body lower part (6), Tower body top (5), the compound cross-arm of double loop lattice and earth wire support (1);It is characterized in that the double loop lattice is multiple Closing cross-arm includes the three layer conductor cross-arms with vertical tower body (5) lateral arrangement, is followed successively by conducting wire cross-arm from top to bottom (2), middle conducting wire cross-arm (3) and lower wire cross-arm (4), six phase conductors be all made of " I " type hardware string and power transmission tower conducting wire cross-arm into Row is coupled.
2. the compound cross-arm power transmission tower of 110kV common-tower double-return according to claim 1 road lattice, it is characterised in that described Upper conducting wire cross-arm (2), middle conducting wire cross-arm (3) and lower wire cross-arm (4) are double loop composite material cross arm, cross-arm structure therein Part uses high-strength and high-modulus glass fibre reinforced composion tubular type section structural member (9), and component surface wraps up silicon rubber umbrella skirt (10), it is connected between the component of double loop composite material cross arm and using steel sleeve (11) between component and tower body.
CN201821825400.6U 2018-11-07 2018-11-07 A kind of compound cross-arm power transmission tower of 110kV common-tower double-return road lattice Active CN209293540U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821825400.6U CN209293540U (en) 2018-11-07 2018-11-07 A kind of compound cross-arm power transmission tower of 110kV common-tower double-return road lattice

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821825400.6U CN209293540U (en) 2018-11-07 2018-11-07 A kind of compound cross-arm power transmission tower of 110kV common-tower double-return road lattice

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CN209293540U true CN209293540U (en) 2019-08-23

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112431466A (en) * 2020-11-27 2021-03-02 国网陕西省电力公司建设分公司 Double-loop composite tower head tower
US12104395B2 (en) 2021-02-24 2024-10-01 Jiangsu Shemar Electric Co., Ltd. Composite crossarm and power transmission tower

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112431466A (en) * 2020-11-27 2021-03-02 国网陕西省电力公司建设分公司 Double-loop composite tower head tower
US12104395B2 (en) 2021-02-24 2024-10-01 Jiangsu Shemar Electric Co., Ltd. Composite crossarm and power transmission tower

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