CN203361747U - Tension-resistant tower for 330KV AC transmission lines in high-altitude area - Google Patents

Tension-resistant tower for 330KV AC transmission lines in high-altitude area Download PDF

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Publication number
CN203361747U
CN203361747U CN2013204345543U CN201320434554U CN203361747U CN 203361747 U CN203361747 U CN 203361747U CN 2013204345543 U CN2013204345543 U CN 2013204345543U CN 201320434554 U CN201320434554 U CN 201320434554U CN 203361747 U CN203361747 U CN 203361747U
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China
Prior art keywords
transmission line
tower
anchor support
sea level
height above
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Active
Application number
CN2013204345543U
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Chinese (zh)
Inventor
胡建民
杨磊
全生明
沈巍巍
管顺清
王虎长
王学明
吴彤
吕宝华
郭瑞
苟晓侃
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Northwest Electric Power Design Institute of China Power Engineering Consulting Group
State Grid Qinghai Electric Power Co Ltd
Original Assignee
Northwest Electric Power Design Institute of China Power Engineering Consulting Group
State Grid Qinghai Electric Power Co Ltd
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Priority to CN2013204345543U priority Critical patent/CN203361747U/en
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Abstract

The utility model discloses a tension-resistant tower for 330KV AC transmission lines in a high-altitude area. The tension-resistant tower includes a tower head, a tower body and tower legs; the two sides of the top end of the tower head are provided with ground wire cross arms used for hanging ground wires and middle-guide jumpers, the ground wire cross arm on one side of the tower body is provided with a middle-guide jumper hanger, the middle portion of the tower head is provided with a middle-guide hanger used for hanging middle-phase wires, and the two sides of the lower portion of the tower head are symmetrically provided with side-guide cross arms used for hanging side-phase wires. By the adoption of the tension-resistant tower, the requirements of the 330KV AC transmission lines in the high-altitude area can be satisfied.

Description

A kind of high height above sea level 330kV transmission line of alternation current anchor support
Technical field
The utility model relates to high height above sea level electric power pylon technical field, particularly relates to a kind of high height above sea level 330kV transmission line of alternation current anchor support.
Background technology
Yushu Regions, apart from 800 kilometers of Qinghai Power Grid, not yet, with the networking of Qinghai major network, still relies on little water, thermoelectricity to maintain daily production and household electricity, and electricity consumption level is very low, and especially winter, small power station stopped transport, and power supply situation is poorer.Between each county of Yushu, range averaging is 150 kilometers, is small power station independently-powered, and radius of electricity supply is long, and power structure is single, and regional industry load is minimum, is mainly resident living power utility, and in the winter time, but winter, water resource was hemiplegia for main peak of power consumption, and generated energy is little.In 1 year, winter summer grade electricity imbalance, can't meet need for electricity, and the power supply architecture problem causes imbalance between supply and demand outstanding, and regional power generating facilities and power grids development lags behind, and the electricity shortage outstanding problem, restricted the development of regional economy to a certain extent.In line with economizing on the use of funds, the reasonably optimizing rack, improve regional rack, improves the principle of operational reliability, and it is necessary building 330kV cajaput and Qinghai major network networking project.
This line of project height above sea level, the highest height above sea level reaches 5000m, can not indiscriminately imitate the iron tower structure of conventional 330kV transmission line of electricity, designs the anchor support of high height above sea level 330kV transmission line of alternation current, is that those skilled in the art are badly in need of the technical problem solved.
The utility model content
The purpose of this utility model is to provide a kind of high height above sea level 330kV transmission line of alternation current anchor support, can meet the requirement of 330kV transmission line of alternation current in high altitude localities.
A kind of high height above sea level 330kV transmission line of alternation current anchor support, comprise tower head, tower body and tower leg, in the both sides on tower head top, be provided with for hanging ground wire and the ground wire cross-arm of leading wire jumper, lead the wire jumper hanger in being provided with on the ground wire cross-arm of a side therein, lead hanger in the tower head middle part is provided with for the suspension phase conductor, cross-arm is led on the limit that the bilateral symmetry in the tower head bottom is provided with for hanging the limit phase conductor.
The described ground wire cross-arm left-right asymmetry that is arranged on both sides, tower head top.
Lead in described on the wire jumper hanger and be provided with for hanging the wire jumper hanging point of phase conductor.
Described middle phase conductor and limit phase conductor adopt triangle arrangement.
The conducting wire hanging point that lead on cross-arm on described limit adopts GD link plate gold utensil to be connected with strain insulator string with the ground wire hanging point on described ground wire cross-arm, and wherein the member at conducting wire hanging point place adopts two limb angle steel.
Be provided with limit and lead wire jumper on two limb angle steel at conducting wire hanging point place.
Described 330kV transmission line of alternation current anchor support adopts complete unequel leg extension to arrange, and main material adopts strong angle steel in Q345.
Described 330kV transmission line of alternation current anchor support adopts the slim nut locking structure of full tower.
Compared with prior art, the utlity model has following advantage:
The utility model provides a kind of high height above sea level 330kV transmission line of alternation current anchor support, in order to save tower weight, reduces cost, adopts " doing " font steel tower that application experience is abundant; Because being located in highlands, adopt the locking measure of full tower, reduced highlands maintainer's workload, guaranteed the line security operation, can meet the requirement of 330kV transmission line of alternation current, high altitude localities.
Further, the ground wire of described anchor support and conducting wire hanging point are arranged on the end of cross-arm, adopt GD link plate gold utensil to be connected with strain insulator string, this structure has been avoided the welding job at hanging point place, for the line steel tower under the low temperature condition of high height above sea level, can effectively strengthen the stress-bearing capability of hanging wire node, guarantee the requirements such as intensity of hanging wire node.
Further, the tower leg of described anchor support adopts complete unequel leg extension, has farthest reduced earthwork evacuation amount and soil erosion, has protected the ecological environment of highlands fragility.Simultaneously, anchor support adopts the slim nut anti-looseness measure of full tower, under the adverse weather conditions such as plateau cold, anoxic, has reduced maintainer's workload, has also improved the safety of circuit operation simultaneously.
The accompanying drawing explanation
The single line drawing that Fig. 1 is the high height above sea level 330kV of the utility model transmission line of alternation current anchor support;
Fig. 2 is the high height above sea level 330kV of the utility model transmission line of alternation current anchor support wire jumper hanging point structure chart;
Fig. 3 is the high height above sea level 330kV of the utility model transmission line of alternation current anchor support wire jumper hanging point top view;
Fig. 4 is the high height above sea level 330kV of the utility model transmission line of alternation current tension tower conducting wire hanging point conducting wire hanging point structure chart.
Wherein, 1 is the ground wire cross-arm; 2 lead the wire jumper hanger in being; 3 lead hanger in being; 4 for leading cross-arm in limit; 5 is tower body; 6 is tower leg; 7 is conducting wire hanging point.
The specific embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to Fig. 1~4; for high height above sea level 330kV of the present utility model transmission line of alternation current anchor support comprises: ground wire cross-arm 1, in lead wire jumper hanger 2, in lead hanger 3, cross-arm 4, tower head, tower body 5 and tower leg 6 are led in limit; described ground wire cross-arm 1 is arranged on the tower head top; for hanging ground wire; transmission pressure is shielded; ground wire cross-arm 1 comprises two branches, lays respectively at the left and right sides on tower head top, and asymmetric layout.Lead wire jumper hanger 2 in described and be arranged on the ground wire cross-arm of right side, connect with angle cleat, for hanging, lead wire jumper.Lead hanger 3 in described and be positioned at the tower head middle part, for hanging phase conductor, described limit is led cross-arm 4 and is positioned at the tower head bottom, for hanging the limit phase conductor, and meets the electric clearance requirement.
Preferably, the conducting wire hanging point 7 that lead on cross-arm on described limit adopts GD link plate gold utensil to be connected with strain insulator string with the ground wire hanging point on the ground wire cross-arm, adopt this structure, avoided the welding job at hanging point place, for the line steel tower under the low temperature condition of high height above sea level, can effectively strengthen the stress-bearing capability of hanging wire node, guarantee the requirements such as intensity of hanging wire node.
Preferably, described anchor support tower leg 6 adopts complete unequel leg extension, has farthest reduced earthwork evacuation amount and soil erosion, has protected the ecological environment of highlands fragility.
Preferably, described anchor support adopts the slim nut anti-looseness measure of full tower, under the adverse weather conditions such as plateau cold, anoxic, has reduced maintainer's workload, has also improved the safety of circuit operation simultaneously.
Above high height above sea level 330kV provided by the utility model transmission line of alternation current anchor support is described in detail, applied specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model simultaneously.

Claims (9)

1. one kind high height above sea level 330kV transmission line of alternation current anchor support, it is characterized in that, comprise tower head, tower body (5) and tower leg (6), in the both sides on tower head top, be provided with for hanging ground wire and the ground wire cross-arm (1) of leading wire jumper, lead wire jumper hanger (2) in being provided with on the ground wire cross-arm of a side therein, lead hanger (3) in the tower head middle part is provided with for the suspension phase conductor, cross-arm (4) is led on the limit that the bilateral symmetry in the tower head bottom is provided with for hanging the limit phase conductor.
2. high height above sea level 330kV according to claim 1 transmission line of alternation current anchor support, is characterized in that, the described ground wire cross-arm left-right asymmetry that is arranged on both sides, tower head top.
3. high height above sea level 330kV according to claim 1 transmission line of alternation current anchor support, is characterized in that, leads on wire jumper hanger (2) in described and be provided with for hanging the wire jumper hanging point of phase conductor.
4. high height above sea level 330kV according to claim 1 transmission line of alternation current anchor support, is characterized in that, described middle phase conductor and limit phase conductor adopt triangle arrangement.
5. high height above sea level 330kV according to claim 1 transmission line of alternation current anchor support, it is characterized in that, the conducting wire hanging point that lead on cross-arm on described limit adopts GD link plate gold utensil to be connected with strain insulator string with the ground wire hanging point on described ground wire cross-arm, and wherein the member at conducting wire hanging point place adopts two limb angle steel.
6. high height above sea level 330kV according to claim 5 transmission line of alternation current anchor support, is characterized in that, is provided with limit and leads wire jumper on two limb angle steel at conducting wire hanging point place.
7. high height above sea level 330kV according to claim 1 transmission line of alternation current anchor support, is characterized in that, leads wire jumper in described to be connected on the ground wire cross-arm by angle cleat.
8. high height above sea level 330kV according to claim 1 transmission line of alternation current anchor support, is characterized in that, described 330kV transmission line of alternation current anchor support adopts complete unequel leg extension to arrange, and main material adopts strong angle steel in Q345.
9. high height above sea level 330kV according to claim 1 transmission line of alternation current anchor support, is characterized in that, described 330kV transmission line of alternation current anchor support adopts the slim nut locking structure of full tower.
CN2013204345543U 2013-07-19 2013-07-19 Tension-resistant tower for 330KV AC transmission lines in high-altitude area Active CN203361747U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013204345543U CN203361747U (en) 2013-07-19 2013-07-19 Tension-resistant tower for 330KV AC transmission lines in high-altitude area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013204345543U CN203361747U (en) 2013-07-19 2013-07-19 Tension-resistant tower for 330KV AC transmission lines in high-altitude area

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108661399A (en) * 2017-03-29 2018-10-16 中国电力科学研究院 A kind of interim shaft tower of transmission line of electricity

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108661399A (en) * 2017-03-29 2018-10-16 中国电力科学研究院 A kind of interim shaft tower of transmission line of electricity

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA

Free format text: FORMER NAME: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE, CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION

CP03 Change of name, title or address

Address after: 22 No. 710075, unity South Road, hi tech Industrial Development Zone, Shaanxi, Xi'an

Co-patentee after: State Grid Qinghai Electric Power Company

Patentee after: NORTHWEST ELECTRIC POWER DESIGN INSTITUTE CO., LTD. OF CHINA POWER ENGINEERING CONSULTING GROUP

Address before: 710075 Xi'an province high tech Development Zone, unity South Road, No. 22, No.

Co-patentee before: State Grid Qinghai Electric Power Company

Patentee before: Northwest Electric Power Design Institute, China Power Engineering Consulting Group Corporation