CN206722513U - A kind of overhead transmission line composite punching tangent tower - Google Patents

A kind of overhead transmission line composite punching tangent tower Download PDF

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Publication number
CN206722513U
CN206722513U CN201720548420.2U CN201720548420U CN206722513U CN 206722513 U CN206722513 U CN 206722513U CN 201720548420 U CN201720548420 U CN 201720548420U CN 206722513 U CN206722513 U CN 206722513U
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China
Prior art keywords
arm
cross
tower body
phase conductor
steel construction
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Application number
CN201720548420.2U
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Chinese (zh)
Inventor
常虎
夏志祥
胡华
张学胜
罗璐
朱俊宇
李凯
黄志峰
罗云棋
朱佳星
朱教俊
季硕
杨宇
朱兵
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Jiangzhou Jingli Engineering Design Consulting Co Ltd
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Jiangzhou Jingli Engineering Design Consulting Co Ltd
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Priority to CN201720548420.2U priority Critical patent/CN206722513U/en
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Abstract

A kind of overhead transmission line composite punching tangent tower is the utility model is related to, belongs to electric power line pole tower apparatus field.The bottom that the utility model is made up of composite tower body steel construction tower body, composite tower body, steel construction ground wire cross-arm, steel construction down conductor cross-arm, the compound cross-arm of middle phase conductor and the compound cross-arm of side phase conductor is provided with steel construction tower body, and steel construction ground wire cross-arm is provided with the top of composite tower body;The compound cross-arm of phase conductor in two groups is symmetrically arranged with before and after on the inside of the middle and lower part of composite tower body, four groups of compound cross-arms of side phase conductor are all around symmetrically arranged with the outside of the middle and upper part of composite tower body.Its circuit three-phase conducting wire of the tower arranges in inverted triangle; reduce the level interval of three-phase conducting wire; reduce line channel corridor; reduce tower timber-used amount; tower weight is reduced, ground wire cross-arm is longer than wire cross-arm, reduces shielding angle of the ground wire to wire; line lightning resisting level is improved, improves the dielectric strength between circuit phase ground.

Description

A kind of overhead transmission line composite punching tangent tower
Technical field
It the utility model is related to a kind of overhead transmission line composite punching tangent tower, category electric power line pole tower equipment neck Domain.
Background technology
Iron tower of power transmission line, tower body structure material are steel, need to meet under various over-voltage conditions during tower type design Wire causes line corridor wider width, as existed under line to the clearance requirement of tower body and the clearance requirement of alternate overvoltage The vegetation of line security operation is influenceed, need to be cut down, it is larger to forest tree resource consumption, and waste large amount of land resources.It is compound Material shaft tower has excellent electrical insulation properties, also there is very big change on pyramidal structure, it is not necessary to excessive to consider wire and tower Gap between body, the gap between wire and tower body can be effectively reduced, so as to effectively reduce line corridor width, make transmission of electricity Circuit is more compact, saves large amount of land resources.
The content of the invention
The purpose of this utility model is, for above-mentioned the deficiencies in the prior art, there is provided a kind of overhead transmission line is compound Material punching tangent tower, it is made by the way that middle phase conductor effectively is reduced into line corridor width through next from composite tower body Transmission line of electricity is more compact, saves large amount of land resources.
The technical solution of the utility model is:
A kind of overhead transmission line composite punching tangent tower, it is by steel construction tower body, composite tower body, steel construction Ground wire cross-arm, steel construction down conductor cross-arm, the compound cross-arm of middle phase conductor and the compound cross-arm of side phase conductor are formed, and its feature exists In:The bottom of composite tower body is provided with steel construction tower body, and steel construction ground wire cross-arm is provided with the top of composite tower body; The middle and upper part of steel construction tower body is symmetrically arranged with steel construction down conductor cross-arm, steel construction down conductor cross-arm and steel construction Hanging down conductor is provided between ground wire cross-arm;It is symmetrically arranged with before and after on the inside of the middle and lower part of composite tower body in two groups The compound cross-arm of phase conductor, the middle and upper part outside of composite tower body are all around symmetrically arranged with four groups of compound horizontal strokes of side phase conductor Load.
The compound cross-arm of phase conductor three in described every group, present word state setting and form, mutually compound cross-arm connects in three The place of connecing is provided with middle phase conductor suppending hole.
Every group of described compound cross-arm of side phase conductor is two, is set in elbow-type, the compound cross-arm connection of two side phase conductors Place is provided with side phase conductor pendency hanging hole.
The side phase conductor pendency of left and right two of middle the phase conductor suppending hole and homonymy of described composite tower body side is hung Hole forms the isosceles triangle of a handstand.
The beneficial effect of the utility model compared with prior art is:
The overhead transmission line composite punching tangent tower employs composite tower body in shaft tower medium position, at this The compound cross-arm of middle phase conductor and the compound cross-arm of side phase conductor are provided with composite material tower, due to composite material pole tower have it is excellent Different electrical insulation properties, various over-voltage condition lower wires can be relaxed in design to the clearance requirement of tower body and alternate The clearance requirement of overvoltage, the setting of middle phase conductor cross-arm and side phase conductor cross-arm can ensure that circuit three-phase conducting wire is in inverted triangle Arrangement, shaft tower center of gravity are more concentrated, and more common shaft tower has more preferable structural stability, and more common shaft tower line corridor reduces 10%- 25%, tower weight is reduced, is economized on resources;The tower has a preferable lightning protection effect, and anticorrosion, ageing-resistant, reduces regular maintenance and takes With, be applicable with tower load less, the transmission line of electricity of corridor confined area.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is enlarged drawing at the A in Fig. 1;
Fig. 3 is phase conductor compound cross-arm attachment structure schematic diagram in single group side in the utility model;
Fig. 4 is the compound cross-arm attachment structure schematic diagram of phase conductor in single group in the utility model;
Fig. 5 is top view of the present utility model.
In figure:1st, steel construction tower body, 2, composite tower body, 3, steel construction ground wire cross-arm, 4, steel construction down conductor Cross-arm, 5, hanging down conductor, 6, the compound cross-arm of middle phase conductor, 7, the compound cross-arm of side phase conductor, 8, phase conductor pendency in side hangs Hole, 9, middle phase conductor suppending hole, 10, side phase conductor, 11, middle phase conductor, 12, ground wire, 13, ground wire pendency hanging hole.
Embodiment
The overhead transmission line composite punching tangent tower is by steel construction tower body 1, composite tower body 2, steel construction Line cross-arm 3, steel construction down conductor cross-arm 4, the compound cross-arm 6 of middle phase conductor and the compound cross-arm 7 of side phase conductor are formed, composite wood The bottom of material tower body 2 is provided with steel construction tower body 1, and the top of composite tower body 2 sets steel construction ground wire cross-arm 3, composite wood Material tower body 2 has good insulating properties;The middle and upper part of steel construction tower body 1 is symmetrically arranged with steel construction down conductor cross-arm 4, Hanging down conductor 5 is provided between steel construction down conductor cross-arm 4 and steel construction ground wire cross-arm 3;Composite tower body 2 Middle and lower part on the inside of before and after be symmetrically arranged with the compound cross-arm 6 of phase conductor in two groups, the compound cross-arm 6 of phase conductor is three in every group, Present word state setting to form, the mutually compound junction of cross-arm 6 is provided with middle phase conductor suppending hole 9 in three;Composite tower body 2 Middle and upper part on the outside of be all around symmetrically arranged with the compound cross-arm 7 of four groups of side phase conductors, the compound cross-arm 7 of every group of side phase conductor is two It is individual, set in elbow-type, two phase conductor pendency hanging holes 8 when the compound junction of cross-arm 7 of phase conductor is provided with;Composite tower body The middle phase conductor suppending hole 9 of 2 sides forms the isoceles triangle of a handstand with the side phase conductor pendency hanging hole 8 of the left and right of homonymy two Shape.
The overhead transmission line composite punching tangent tower is using, when phase conductor 10 is respectively placed in tower body both sides Side phase conductor pendency hanging hole 8 is connected on the compound cross-arm 7 of phase conductor and by overhanging golden tool, phase conductor compound cross-arm 7 in side is compared with one As conventional wires cross-arm it is short;Middle phase conductor 11 is connected to the middle phase conductor of the compound support of cross-arm 6 of middle phase conductor by overhanging golden tool Pendency hole 9;The middle near linear of phase conductor 11 passes through from the space that composite tower body 2 is hit exactly, and ground wire 12 is with being placed in steel construction On line cross-arm 3, ground wire pendency hanging hole 13 is connected to by overhanging golden tool, but in order to avoid destroying the insulating properties of compound tower body, connect Under ground wire vacantly draws from tower body both sides, the compound outside of cross-arm 7 of side phase conductor, it is fixed on steel construction down conductor cross-arm 4, connects Ground wire remainder passes through steel construction down conductor cross-arm 4 and the surface earthing of bottom steel construction tower body 1.
Its circuit three-phase conducting wire of tower of the present utility model arranges in inverted triangle, reduces the level interval of three-phase conducting wire, Line channel corridor is reduced, reduces tower timber-used amount, reduces tower weight, steel construction ground wire cross-arm 3 is longer than wire cross-arm, reduces Shielding angle of the ground wire to wire, line lightning resisting level is improved, ground wire is grounded using hanging mode, is improved between circuit phase ground Dielectric strength, middle phase conductor using fixed form directly through composite tower body, wire windage yaw is smaller, and wire is effectively ensured To the electric clearance of tower structure, while three-phase conducting wire compact in design, shaft tower center of gravity are concentrated, and have preferable structural stability.

Claims (3)

1. a kind of overhead transmission line composite punching tangent tower, it is by steel construction tower body(1), composite tower body(2), steel Structure ground wire cross-arm(3), steel construction down conductor cross-arm(4), the middle compound cross-arm of phase conductor(6)With the compound cross-arm of side phase conductor (7)Form, it is characterised in that:Composite tower body(2)Bottom be provided with steel construction tower body(1), composite tower body(2)'s Top is provided with steel construction ground wire cross-arm(3);Steel construction tower body(1)Middle and upper part be symmetrically arranged with steel construction down conductor horizontal stroke Load(4), steel construction down conductor cross-arm(4)With steel construction ground wire cross-arm(3)Between be provided with hanging down conductor(5); Composite tower body(2)Middle and lower part on the inside of before and after be symmetrically arranged with the compound cross-arm of phase conductor in two groups(6), composite tower body (2)Middle and upper part on the outside of be all around symmetrically arranged with four groups of compound cross-arms of side phase conductor(7).
A kind of 2. overhead transmission line composite punching tangent tower according to claim 1, it is characterised in that:Described The compound cross-arm of phase conductor in every group(6)For three, present word state setting and form, mutually compound cross-arm in three(6)Junction is set It is equipped with middle phase conductor suppending hole(9);Every group of compound cross-arm of side phase conductor(7)For two, two compound cross-arms of side phase conductor(7)Even The place of connecing is provided with side phase conductor pendency hanging hole(8).
A kind of 3. overhead transmission line composite punching tangent tower according to claim 2, it is characterised in that:Described Composite tower body(2)The middle phase conductor suppending hole of side(9)With the side phase conductor pendency hanging hole of left and right two of homonymy(8)Formed The isosceles triangle of one handstand.
CN201720548420.2U 2017-05-17 2017-05-17 A kind of overhead transmission line composite punching tangent tower Active CN206722513U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720548420.2U CN206722513U (en) 2017-05-17 2017-05-17 A kind of overhead transmission line composite punching tangent tower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720548420.2U CN206722513U (en) 2017-05-17 2017-05-17 A kind of overhead transmission line composite punching tangent tower

Publications (1)

Publication Number Publication Date
CN206722513U true CN206722513U (en) 2017-12-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110994456A (en) * 2019-12-19 2020-04-10 国网山西省电力公司电力科学研究院 Method for acquiring transformation quantity of protection angle of power transmission line considering windage yaw influence

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110994456A (en) * 2019-12-19 2020-04-10 国网山西省电力公司电力科学研究院 Method for acquiring transformation quantity of protection angle of power transmission line considering windage yaw influence

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