CN109458032A - Wear straight line narrow base tower in double loop - Google Patents

Wear straight line narrow base tower in double loop Download PDF

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Publication number
CN109458032A
CN109458032A CN201811490756.3A CN201811490756A CN109458032A CN 109458032 A CN109458032 A CN 109458032A CN 201811490756 A CN201811490756 A CN 201811490756A CN 109458032 A CN109458032 A CN 109458032A
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CN
China
Prior art keywords
tower
head
ladder
tower head
insulation
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Granted
Application number
CN201811490756.3A
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Chinese (zh)
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CN109458032B (en
Inventor
冯炳
朱江峰
陈斌
沈勇
李攀峰
卢笛
周吉安
童莹
刘洋
林凯雯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaoxing Jianyuan Electric Group Co Ltd
SHAOXING DAMING ELECTRIC POWER DESIGN INSTITUTE Co Ltd
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
Shaoxing Jianyuan Electric Group Co Ltd
SHAOXING DAMING ELECTRIC POWER DESIGN INSTITUTE Co Ltd
Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Shaoxing Jianyuan Electric Group Co Ltd, SHAOXING DAMING ELECTRIC POWER DESIGN INSTITUTE Co Ltd, Shaoxing Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical Shaoxing Jianyuan Electric Group Co Ltd
Priority to CN201811490756.3A priority Critical patent/CN109458032B/en
Publication of CN109458032A publication Critical patent/CN109458032A/en
Application granted granted Critical
Publication of CN109458032B publication Critical patent/CN109458032B/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02Structures made of specified materials
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/02Structures made of specified materials
    • E04H12/08Structures made of specified materials of metal
    • E04H12/10Truss-like structures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/20Spatial arrangements or dispositions of lines or cables on poles, posts or towers

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)
  • Ladders (AREA)

Abstract

The invention discloses a kind of double loops to wear narrow base tower, belong to transmission tower field, including being separated by arranged symmetrically and the identical left tower head of structure, right tower head, left tower head is mainly sequentially connected with by three insulation truss modules from top to bottom with right tower head, V-type hanging point is equipped with inside insulation truss module to pass through for conducting wire, ladder is equipped between left tower head and right tower head, top, the bottom of ladder are connect with earth wire support, tower body respectively.The present invention significantly reduces width of corridor by the way that transmitting loop and ladder to be built in tower body, to reduce the occupancy of double back line pole tower face area and aerial space over the ground, it is applicable in the transmission line of electricity landform use that corridor is limited area with this, the use of tower material index can also be reduced, reduce material cost.

Description

Wear straight line narrow base tower in double loop
Technical field
The invention belongs to high-voltage power transmission tower field, straight line narrow base tower is worn in specifically a kind of double loop.
Background technique
The pattern of transmission tower used in high voltage power transmission is varied, different according to transmitting loop, function, material etc. Type.Single loop shaft tower refers to the shaft tower that a power circuit is only equipped on shaft tower.Double loop refer to be equipped with voltage with The shaft tower of frequency not necessarily identical two power circuits.
The tower leg root of currently used double back line pole tower is opened larger, needs to occupy 10 meters or more width.Also, due to double back Line pole tower is needed for two line loops, to avoid two interlaced influences in line loop, and is generally required in the air significantly Extending transversely, not only tower material index is high, occupied width is far more than space occupied by ground in the sky for it.Therefore for corridor The landform of restricted width or area, it is difficult to set up the biggish double back line pole tower of the above-mentioned bodily form.
Based on this, this case application is proposed.
Summary of the invention
To solve the problems, such as that double back line pole tower ground, aerial area occupied are excessive in the prior art, the present invention provides one kind Straight line narrow base tower is worn in double loop, can reduce the width of double back line pole tower, to reduce on ground, aerial occupied area With space, in order to width of corridor be limited area with landform use.
To achieve the above object, the scheme that the present invention uses is as follows: narrow base tower is worn in double loop, from top to bottom includes successively Earth wire support, insulation tower head, tower body and the tower leg of connection, insulation tower head include mutually symmetrical across a certain distance and identical setting a left side Tower head, right tower head, left tower head are mainly sequentially connected with by three insulation truss modules from top to bottom with right tower head, purlin of insulating Frame module has the V-type hanging point for hanging conducting wire from its top to center pendency.It is equipped with ladder between left tower head and right tower head, climbs The top of ladder is connect with earth wire support, bottom and tower body connect.Several support rods are additionally provided between left tower head, right tower head and ladder Connection;Ladder, earth wire support, tower body and tower leg use metal material.
The present invention is further provided that insulation truss module is the cuboid built using composite insulating material. The longest edge of insulation truss module is vertical edge.
A monoblock type diamond shape tower is provided only with preferably, being used to wear on insulation truss module on the two sides side of conducting wire Window, and be to further strengthen structural stability, the top surface of module is worn in insulation and bottom surface is square and is designed as diamond shape tower Window.
The present invention is further provided that as the installation and support convenient for left tower head, right tower head, the top of tower body is equipped with one Inverted trapezoidal platform, Zuo Tatou, right tower head bottom be fixed on inverted trapezoidal platform.
The present invention is further provided that, to avoid the phase line of different circuit from influencing, the width for the truss module that insulate is The distance between 1600 ~ 2000mm, left tower head and right tower head be preferably not less than 2400mm, tower leg root open preferably no more than 4000mm。
The present invention is further provided that improve the stability of ladder, the left tower of two side levers of ladder corresponding thereto Support rod is connected separately between two side levers of head, two side levers of right tower head.
The present invention is further provided that improve ladder stability, the middle part of two side levers of each insulation truss module Support rod is also connected between ladder.Support rod can also be used to form the channel that ladder leads to hanging point, make to repair etc. Industry carries out.
The present invention is further provided that repair for worker easy to repair, on the support rod in same level plane It is equipped with composite material face.Composite material face is trampled for service worker, can support workers from ladder run to hanging point Place repairs operation.
Preferably, the support rod is realized opposite with ladder using composite material support bar made of composite material Electric insulation, so that it is guaranteed that the safety in service worker's job engineering.
Preferably, plane is using cuboid truss made of Steel material on inverted trapezoidal platform, side is using intersection Structural strengthening intensity, top surface are consistent with Zuo Tatou, the size of right tower head, shape, bottom surface then with tabula with lower tower Size, shape is consistent.Intersection construction or diamond structure can be used in top surface and bottom surface.
The present invention is further provided that further strengthen the globality that ladder is connect with shaft tower, improves tower structure Stability, between metal truss module and ladder pass through metallic support rod connect.
The technology of the present invention effect is as follows: the present invention be vertically arranged the three-phase power transmission cable of every primary Ioops in double loop after from It wears in shaft tower and mistake, and two circuits is made to be set as being vertically oriented to as much as possible side by side, by earth wire support, while utilizing two Ladder is arranged in space between circuit, by built in various functional structures needed for shaft tower, the vertical space that is held in where tower body It is interior --- formation generally thin-and-long, tower leg root open small double loop and wear shaft tower, reduce shaft tower to the maximum extent on ground, sky In width of corridor, to reduce the occupancy in area and space.
Overall structure of the present invention is in full symmetric arrangement, is conducive to enhance shaft tower stability, and can make each place of tower head It can equably be shared by load to other positions, improve load endurance.
The present invention truss module that insulate is produced and processed using integration, and when installation directly uses, and can be significantly improved Speed of application.Module is made of insulating composite material, has good electrical insulation properties, is avoided that power transmission cable and transmission of electricity Steel tower contact discharge, it is ensured that transmission of electricity safety.
The present invention can substantially reduce tower material index and reduce by using insulating composite material and reduction shaft tower size Tower body self weight, to reduce transmission line of electricity cost, additionally it is possible to reduce line corridor cleaning up cost, vertical tower is at low cost, high-efficient, fits The limited city area of limited for corridor, vertical tower position.
Detailed description of the invention
Fig. 1 is specific embodiment of the invention overall schematic.
Fig. 2 is specific embodiment of the invention insulation tower head positive structure schematic.
Fig. 3 is specific embodiment of the invention insulation tower head side structure schematic view.
Fig. 4 is specific embodiment of the invention insulation tower head overlooking structure diagram.
Fig. 5 is specific embodiment of the invention insulation one side structure schematic view of truss module.
It is as shown in the figure: 100-earth wire supports one, 200-metal truss modules one, 300-Zuo Tatou, 400-inverted trapezoidals Platform, 500-tower bodies, 600-tower legs, 700-right tower heads, 800-metal ladders, 1100-earth wire supports two;
301,701-insulation truss module one, 302,702-insulation truss modules two, 303,703-insulation truss modules three, 304-V-type hanging points;301a-front tower window, 301b-top surface tabula, 301c-trailing flank, 301d-leading flank, the side 301e- Face tower window;
901-insulating support rods, 902-metallic support rods, 903-composite material faces;901a-back support rod one, 901b- Front support rod one, 901c-back support rod two, 901d-front support rod two.
Specific embodiment
To be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, below with reference to Specific embodiment, the present invention is further explained.
Embodiment 1
As shown in Figure 1, narrow base tower is worn in double loop, it from top to bottom include sequentially connected earth wire support, insulation tower head, inverted trapezoidal Platform 400, tower body 500 and tower leg 600, insulation tower head includes mutually symmetrical across a certain distance and identical setting left tower head 300, right Tower head 700, Zuo Tatou 300 is identical as right 700 structure of tower head, by insulation truss module 1, insulation truss module 2 302, About 3 303 truss module of insulation is sequentially connected with after being superimposed.
Truss module 1, insulation truss module 2 302, insulation truss module 3 303 insulate for using compound inslation material Expect the cuboid built, three's structure is substantially the same, a monoblock type diamond shape tower window is provided only on front and rear sides side, Side tower window 301e shown in front tower window 301a, Fig. 5 as shown in Figure 2;Its top surface is square and designs with bottom surface Diamond shape tabula, tabula 301b in top surface as shown in Figure 4.Insulate truss module width be 1600 ~ 2000mm, Zuo Tatou 300 with The distance between right tower head 700 is no more than 2400mm, and tower leg 600 are opened no more than 4000mm.
In conjunction with shown in Fig. 2,3, the present embodiment will insulation truss module 1, insulation truss module 2 302, insulation truss The longest edge of module 3 303 carries out superposition up and down as vertical edge, to reduce the width of above-mentioned module.Insulate truss module one 301, insulation truss module 2 302, the width of insulation truss module 3 303 and thickness are 1800mm, are highly 5000mm.Absolutely Edge truss module 1, insulation truss module 2 302, insulation truss module 3 303 have from its top to center pendency for hanging Set the V-type hanging point 304 of conducting wire.The three-phase power transmission cable in single circuit is by V-type hanging point 304 respectively from insulation truss module one 301, insulate truss module 2 302, wear and mistake in insulation truss module 3 303.
Metal ladder 800 is equipped between left tower head 300 and right tower head 700, Zuo Tatou 300 is climbed with right tower head 700 with metal The two sides of inverted trapezoidal platform 400 are divided into centered on ladder 800, between Zuo Tatou 300, right tower head 700 and metal ladder 800 away from From being 1200mm.Earth wire support 1, earth wire support 2 1100 pass through upper metal truss module 1, upper metal purlin respectively Frame module two is fixed on the top of left tower head 300, right tower head 700.Earth wire support 1, earth wire support 2 1100 are vertically arranged And its bottom surface size is identical as upper metal truss module 1, the size of upper metal truss module two below to make a left side Tower head 300, right tower head 700 form the tower body of narrow shape.
Above-mentioned metal truss module is using cuboid truss made of Steel material, and side is reinforced strong using intersection construction Degree, and upper metal truss module 1, the cross-sectional sizes of upper metal truss module two and insulation truss module one below 301 are consistent --- and it is 1800*1800mm.Top surface and bottom surface use intersection construction, can also be used diamond shape tower window construction with Insulation truss module is consistent.
Left tower head 300, the insulation truss module 1 of right tower head 700, insulation truss module 2 302, insulation truss module It is connected and fixed between 3 303 antero-lateral rod, postero lateral arm and ladder by 7 support rods, wherein three are located at insulation truss The middle part of module 1, insulation truss module 2 302, insulation 3 303 antero-lateral rod of truss module, postero lateral arm, another four are insulation Truss module 1, insulation truss module 2 302, insulate truss module 3 303 top, bottom and metal ladder 800 it Between.It is supported between the top of metal ladder 800 and upper metal truss module 1, upper metal truss module two by upper metal Bar 902 is connected and fixed;The bottom of metal ladder 800 is fixedly connected with inverted trapezoidal platform 400.In the present embodiment, inverted trapezoidal platform 400 are built using several metal pole stocks, and height 1500mm, its width are 6000mm, it is with a thickness of 1800mm --- It is consistent with the thickness of left tower head 300, right tower head 700 above it.
As shown in figure 4, on the support rod being located in same level plane, before being especially located in the middle part of insulation truss module It is spread between one 901a of one 901b of front support rod and back support rod of rear side, between two 901d of two 901c of back support rod and front support rod Equipped with composite material face 903.Composite material face 903 is trampled for service worker, can support workers run to from ladder Operation is repaired at hanging point.
In the present embodiment, earth wire support, tower body 500 and tower leg 600 use metal material.Insulation truss module is climbed with metal Using composite material support bar made of composite material, composite material can be used with glass fibre, carbon support rod between ladder 800 Fiber etc. is reinforcement, using resin as the composite element of matrix.In above-mentioned insulation truss module, composite element it Between connection can be used limit winding technology realize.Flange can be used between composite element and steel member to be attached and consolidate It is fixed.It is connected between metal truss module and ladder by metallic support rod 902.
Based on above-mentioned, the present invention provides a kind of double loops to wear straight line narrow base tower, by by power transmission cable vertically simultaneously Column wear design, width of corridor needed for greatly reducing double back line pole tower, and effectively reduce the use of tower material index, reduce Volume, weight and the cost of tower head.In addition, the configuration of the present invention is simple, convenient for construction assembling, stability with higher.
As known by the technical knowledge, the present invention can pass through the embodiment party of other essence without departing from its spirit or essential feature Case is realized.Therefore, embodiment disclosed above, in all respects are merely illustrative, not the only.Institute Have within the scope of the present invention or is included in the invention in the change being equal in the scope of the present invention.

Claims (10)

1. narrow base tower is worn in double loop, it is characterised in that: from top to bottom include sequentially connected earth wire support, insulation tower head, tower Body and tower leg;Insulation tower head includes mutually symmetrical across a certain distance and identical setting left tower head, right tower head, left tower head and right tower head It is mainly sequentially connected with from top to bottom by three insulation truss modules, insulation truss module has from its top to center pendency For hanging the V-type hanging point of conducting wire;Ladder is equipped between left tower head and right tower head, the top of ladder connect with earth wire support, bottom Portion is connect with tower body;Several support rod connections are additionally provided between left tower head, right tower head and ladder;Ladder, earth wire support, tower body with Tower leg uses metal material.
2. narrow base tower is worn in double loop as described in claim 1, it is characterised in that: insulation truss module is using compound inslation The cuboid that material is built;The longest edge of insulation truss module is vertical edge.
3. narrow base tower is worn in double loop as claimed in claim 1 or 2, it is characterised in that: the top of tower body is equipped with an inverted trapezoidal Platform, Zuo Tatou, right tower head bottom be fixed on inverted trapezoidal platform.
4. narrow base tower is worn in double loop a method according to any one of claims 1-3, it is characterised in that: the width for the truss module that insulate is The distance between 1600 ~ 2000mm, left tower head and right tower head are opened preferably no more than 2400mm, tower leg root no more than 4000mm.
5. narrow base tower is worn in double loop a method according to any one of claims 1-3, it is characterised in that: two side levers of ladder with and its Support rod is connected separately between two side levers of opposite left tower head, two side levers of right tower head.
6. narrow base tower is worn in double loop as claimed in claim 5, it is characterised in that: two side levers of each insulation truss module Also support rod is connected between middle part and ladder.
7. as narrow base tower is worn in double loop described in claim 5 or 6, it is characterised in that: the branch in same level plane Composite material face is equipped on strut.
8. as narrow base tower is worn in double loop described in claim 5 or 6, it is characterised in that: the support rod uses composite material Manufactured composite material support bar.
9. narrow base tower is worn in double loop a method as claimed in any one of claims 1-8, it is characterised in that: metal truss module and ladder it Between pass through metallic support rod connect.
10. narrow base tower is worn in double loop as described in claim 1, it is characterised in that: led on insulation truss module for wearing It is provided only with a monoblock type diamond shape tower window on the two sides side of line, and is to further strengthen structural stability, module is worn in insulation Top surface and bottom surface are square and are equipped with diamond shape or rectangular barrier.
CN201811490756.3A 2018-12-07 2018-12-07 Double-loop body-penetrating straight line narrow foundation tower Active CN109458032B (en)

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CN109458032B CN109458032B (en) 2024-03-26

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1741963A (en) * 1925-11-20 1929-12-31 Percy H Thomas Two-circuit transmission tower
US6499266B1 (en) * 2001-07-16 2002-12-31 Lemar Industries Corp. Truss construction
KR20080024840A (en) * 2006-09-15 2008-03-19 한국전기공사협회 Live-line changing method of the damaged insulator in suspension insulator strings for 765kv double circuit transmission lines
CN201695737U (en) * 2010-06-21 2011-01-05 上海电力设计院有限公司 Double-loop high-voltage overhead line iron tower
CN102561783A (en) * 2012-01-31 2012-07-11 浙江省电力设计院 500kV vertical-arrangement symmetrical double-circuit compact tangent tower
CN102817489A (en) * 2012-09-11 2012-12-12 河北省电力勘测设计研究院 Double-tower-window double-loop linear tower
CN103022951A (en) * 2012-12-27 2013-04-03 四川电力设计咨询有限责任公司 Jumping around transposition tower in common-tower double-circuit transmission line
CN104453334A (en) * 2014-12-04 2015-03-25 国家电网公司 Three-loop iron tower of power transmission line
CN106368495A (en) * 2016-11-09 2017-02-01 国网浙江省电力公司绍兴供电公司 Novel penetrating linear narrow base tower
CN206128807U (en) * 2016-09-13 2017-04-26 福建省电力勘测设计院 Four return circuit steel pipe towers are thoughtlessly pressed to wild goose wing type
CN209413405U (en) * 2018-12-07 2019-09-20 绍兴大明电力设计院有限公司 Wear straight line narrow base tower in double loop

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1741963A (en) * 1925-11-20 1929-12-31 Percy H Thomas Two-circuit transmission tower
US6499266B1 (en) * 2001-07-16 2002-12-31 Lemar Industries Corp. Truss construction
KR20080024840A (en) * 2006-09-15 2008-03-19 한국전기공사협회 Live-line changing method of the damaged insulator in suspension insulator strings for 765kv double circuit transmission lines
CN201695737U (en) * 2010-06-21 2011-01-05 上海电力设计院有限公司 Double-loop high-voltage overhead line iron tower
CN102561783A (en) * 2012-01-31 2012-07-11 浙江省电力设计院 500kV vertical-arrangement symmetrical double-circuit compact tangent tower
CN102817489A (en) * 2012-09-11 2012-12-12 河北省电力勘测设计研究院 Double-tower-window double-loop linear tower
CN103022951A (en) * 2012-12-27 2013-04-03 四川电力设计咨询有限责任公司 Jumping around transposition tower in common-tower double-circuit transmission line
CN104453334A (en) * 2014-12-04 2015-03-25 国家电网公司 Three-loop iron tower of power transmission line
CN206128807U (en) * 2016-09-13 2017-04-26 福建省电力勘测设计院 Four return circuit steel pipe towers are thoughtlessly pressed to wild goose wing type
CN106368495A (en) * 2016-11-09 2017-02-01 国网浙江省电力公司绍兴供电公司 Novel penetrating linear narrow base tower
CN209413405U (en) * 2018-12-07 2019-09-20 绍兴大明电力设计院有限公司 Wear straight line narrow base tower in double loop

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* Cited by examiner, † Cited by third party
Title
杨俊芬: "钢管结构", vol. 1, 北京理工大学出版社, pages: 181 - 182 *

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