CN205135075U - High -altitude area 500kV compact alternating current transmission line tower that dangles - Google Patents

High -altitude area 500kV compact alternating current transmission line tower that dangles Download PDF

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Publication number
CN205135075U
CN205135075U CN201520813728.6U CN201520813728U CN205135075U CN 205135075 U CN205135075 U CN 205135075U CN 201520813728 U CN201520813728 U CN 201520813728U CN 205135075 U CN205135075 U CN 205135075U
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China
Prior art keywords
arm
wire
tower
cup type
transmission line
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CN201520813728.6U
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Chinese (zh)
Inventor
顾小蕾
赵月华
秦磊
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Changshu Fengfan Power Equipment Co Ltd
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Changshu Fengfan Power Equipment Co Ltd
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Abstract

The utility model discloses a high -altitude area 500kV compact alternating current transmission line tower that dangles, including body of the tower and column foot, the top of body of the tower is from the last cup type structure of glass type structure and inversion of installing in proper order downwards, the top of cup type structure is provided with the upper conductor cross arm, the bottom of the cup type structure of inversion is provided with down the wire cross arm, well wire cross arm is installed to junction between the cup type structure of cup type structure and inversion, the both ends symmetry of upper conductor cross arm is provided with the ground wire cross arm, the both ends symmetry of wire cross arm is provided with limit wire cross arm down. The utility model discloses simple structure, reasonable in design, it has effectively improved the wire and has arranged density through unique two cup type structural design to can make and part various wires in order, make the circuit move more safe and reliable, in addition, this tower quality is slim and graceful, and is fixed firm, can effectively reduce to repair and examine the frequency, reduces the work load of maintainer.

Description

500kV compact transmission line of alternation current, high altitude localities pendency tower
Technical field
The utility model relates to High aititude electric power pylon field, particularly relates to 500kV compact transmission line of alternation current, a kind of high altitude localities pendency tower.
Background technology
At present, some High aititude of China remote districts distance major network distance, not yet with Major Networks, still rely on little water, thermoelectricity maintains daily production and household electricity, electricity consumption level is very low, and especially winter, small power station stopped transport, and power supply situation is poorer.Such as, range averaging 150 kilometers between each county of Yushu, be small power station independently-powered, radius of electricity supply is long, and power structure is single, regional industry load is minimum, is mainly resident living power utility, in the winter time, but winter, water resource was hemiplegia for main peak of power consumption, and generated energy is little.Winter summer grade electricity imbalance in 1 year, cannot meet need for electricity, power supply architecture problem causes imbalance between supply and demand to be given prominence to, regional power power network development is delayed, electricity shortage outstanding problem, constrains the development of regional economy to a certain extent, therefore builds transmission line of electricity in high altitude localities extremely urgent.
From 20 century 70s, the countries such as the U.S., Canada, Japan, Russia, in succession there is the transmission line of electricity of compact conformation type, but its conductor structure compares with pole tower forms and conventional line does not generally do large change, just take the switching overvoltage level of restriction circuit, three phase lines are equilateral triangle arrangement, and application V-type insulator string, to limit wire rocking tendency, reduces the simple measures such as phase spacing.But these simple measures add complexity and the workload of later stage line construction and operation maintenance and maintenance, the charge power that also there is circuit is in addition large, and capacitive coupling electric current is comparatively large, dives and supplies electric arc to be not easy the problems such as extinguishing.
Utility model content
The technical problem that the utility model mainly solves is to provide 500kV compact transmission line of alternation current, a kind of high altitude localities pendency tower, can solve the problems referred to above that existing compact type transmission line of electricity from far-off regions exists.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: provide 500kV compact transmission line of alternation current, a kind of high altitude localities pendency tower, comprise: tower body and column foot, the top of described tower body is from up to down provided with cup type structure and inverted cup type structure successively, the top of described cup type structure is provided with upper conductor cross-arm, the bottom of described inverted cup type structure is provided with lower wire cross-arm, and the junction between described cup type structure and inverted cup type structure is provided with middle wire cross-arm; The two ends of described upper conductor cross-arm are symmetrically arranged with ground wire cross-arm, and the two ends of described lower wire cross-arm are symmetrically arranged with limit wire cross-arm.
In the utility model preferred embodiment, described ground wire cross-arm is symmetrical set, and wire-protecting angle is 15 ° ~ 30 ° over the ground.
In the utility model preferred embodiment, described limit wire cross-arm is symmetrical set, and opposite side wire-protecting angle is 15 ° ~ 30 °.
In the utility model preferred embodiment, described pendency tower adopts slim nut to connect, and wherein, described middle wire cross-arm is connected on the junction between described cup type structure and inverted cup type structure by inserting board.
In the utility model preferred embodiment, the wire on described upper conductor cross-arm, middle wire cross-arm and lower guiding cross-arm adopts horizontally.
In the utility model preferred embodiment, the two ends of described upper conductor cross-arm, middle wire cross-arm and lower guiding cross-arm hang multiple insulator string.
In the utility model preferred embodiment, described insulator string is V-type insulator string, and the angle of wind deflection of insulator string is 40.37 ~ 55.36 °.
The beneficial effects of the utility model are: a kind of 500kV compact transmission line of alternation current, high altitude localities of the utility model pendency tower, structure is simple, reasonable in design, it is by unique two cup type structure designs, effectively improve wire arrangements density, and various wire can be made to separate in order, make circuit run safety and reliability; In addition, this tower quality is slim and graceful, and fixation, effectively can reduce and repair inspection frequency, reduces the workload of maintainer.
Accompanying drawing explanation
Fig. 1 is the perspective view of 500kV compact transmission line of alternation current, a kind of high altitude localities of the utility model pendency tower;
In accompanying drawing, the mark of each parts is as follows: 1. tower body, 2. column foot, 3. cup type structure, 4. inverted cup type structure, 5. upper conductor cross-arm, wire cross-arm 6., 7. lower wire cross-arm, 8. ground wire cross-arm, 9. limit wire cross-arm.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Refer to Fig. 1, the utility model embodiment comprises:
A kind of 500kV compact transmission line of alternation current, high altitude localities pendency tower; comprise: tower body 1 and column foot 2; tower body 1 is arranged on column foot 2; column foot 2 adopts complete unequel leg extension to arrange; effectively pendency tower can be fixed on location, rugged upper district, pendency tower can be fixed on Fei Gengdi district by this column foot as much as possible, reduces the excavated volume to the native stone in locality; thus decrease soil erosion, protect the ecological environment of highlands fragility.
The top of described tower body 1 is from up to down provided with cup type structure 3 and inverted cup type structure 4 successively, and the overall height of tower body 1 is 2/3 of two cup type total height of structure; Namely by the design of two cup type structures, effectively reduce the overall height of pendency tower, reduce the steel using amount of tower simultaneously, also improve the firm performance of whole pendency tower.
The top of described cup type structure 3 is provided with the upper conductor cross-arm 5 for hanging upper phase conductor, the bottom of described inverted cup type structure 4 is provided with the lower wire cross-arm 7 for hanging lower phase conductor, and the junction between described cup type structure and inverted cup type structure is provided with for wire cross-arm 6 in phase conductor in hanging; And upper phase conductor, middle phase conductor and lower phase conductor adopt horizontal mode to arrange respectively on upper conductor cross-arm, middle wire cross-arm and lower guiding cross-arm.Hang multiple V-type insulator string at the two ends of upper conductor cross-arm 5, middle wire cross-arm 6 and lower wire cross-arm 7, and the angle of wind deflection of each insulator string is 40.37 ~ 55.36 °, meets the requirement in electrical apparatus insulation gap.
The two ends of described upper conductor cross-arm 5 are symmetrically arranged with the ground wire cross-arm 8 for phase conductor in suspension, the two ends of described lower wire cross-arm 7 are symmetrically arranged with the limit wire cross-arm 9 for Pendent edge phase conductor, and ground wire cross-arm is symmetrical set, wire-protecting angle is 15 ° ~ 30 ° over the ground; Limit wire cross-arm is symmetrical set, and opposite side wire-protecting angle is 15 ° ~ 30 °.
Pendency tower of the present utility model adopts slim nut to connect, and to reduce the weight of full tower, simultaneously under the adverse weather conditions such as plateau cold, anoxic, decreases the workload of maintainer, also improves the safety that circuit runs simultaneously.Wherein, middle wire cross-arm 6 is connected on junction between described cup type structure 3 and inverted cup type structure 4 by U-shaped inserting board.
Above-mentioned compact transmission line of alternation current pendency tower, by rational structure design, separates in order by various wire, circuit is made to run safety and reliability, and the reasonable in design of tower, quality is slim and graceful, fixation, effectively can reduce and repair inspection frequency, reduces the workload of maintainer.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model manual and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (7)

1. 500kV compact transmission line of alternation current, high altitude localities pendency tower, comprise: tower body and column foot, it is characterized in that, the top of described tower body is from up to down provided with cup type structure and inverted cup type structure successively, the top of described cup type structure is provided with upper conductor cross-arm, the bottom of described inverted cup type structure is provided with lower wire cross-arm, and the junction between described cup type structure and inverted cup type structure is provided with middle wire cross-arm; The two ends of described upper conductor cross-arm are symmetrically arranged with ground wire cross-arm, and the two ends of described lower wire cross-arm are symmetrically arranged with limit wire cross-arm.
2. 500kV compact transmission line of alternation current, high altitude localities according to claim 1 pendency tower, it is characterized in that, described ground wire cross-arm is symmetrical set, and wire-protecting angle is 15 ° ~ 30 ° over the ground.
3. 500kV compact transmission line of alternation current, high altitude localities according to claim 1 pendency tower, it is characterized in that, described limit wire cross-arm is symmetrical set, and opposite side wire-protecting angle is 15 ° ~ 30 °.
4. 500kV compact transmission line of alternation current, high altitude localities according to claim 1 pendency tower, it is characterized in that, described pendency tower adopts slim nut to connect, and wherein, described middle wire cross-arm is connected on the junction between described cup type structure and inverted cup type structure by inserting board.
5. 500kV compact transmission line of alternation current, high altitude localities according to claim 1 pendency tower, is characterized in that, the wire on described upper conductor cross-arm, middle wire cross-arm and lower guiding cross-arm adopts horizontally.
6. 500kV compact transmission line of alternation current, high altitude localities according to claim 1 pendency tower, it is characterized in that, the two ends of described upper conductor cross-arm, middle wire cross-arm and lower guiding cross-arm hang multiple insulator string.
7. 500kV compact transmission line of alternation current, high altitude localities according to claim 6 pendency tower, it is characterized in that, described insulator string is V-type insulator string, and the angle of wind deflection of insulator string is 40.37 ~ 55.36 °.
CN201520813728.6U 2015-10-21 2015-10-21 High -altitude area 500kV compact alternating current transmission line tower that dangles Active CN205135075U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520813728.6U CN205135075U (en) 2015-10-21 2015-10-21 High -altitude area 500kV compact alternating current transmission line tower that dangles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520813728.6U CN205135075U (en) 2015-10-21 2015-10-21 High -altitude area 500kV compact alternating current transmission line tower that dangles

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105298200A (en) * 2015-10-21 2016-02-03 常熟风范电力设备股份有限公司 Overhanging tower of 500 kV compact-type AC power transmission circuit in high-altitude area

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105298200A (en) * 2015-10-21 2016-02-03 常熟风范电力设备股份有限公司 Overhanging tower of 500 kV compact-type AC power transmission circuit in high-altitude area
CN105298200B (en) * 2015-10-21 2017-12-19 常熟风范电力设备股份有限公司 Dangle tower for high altitude localities 500kV compacts transmission line of alternation current

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