CN204899378U - Tower is striden to 330kV alternating current transmission two sharp height of narrow base in return circuit in city - Google Patents
Tower is striden to 330kV alternating current transmission two sharp height of narrow base in return circuit in city Download PDFInfo
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- CN204899378U CN204899378U CN201520663364.8U CN201520663364U CN204899378U CN 204899378 U CN204899378 U CN 204899378U CN 201520663364 U CN201520663364 U CN 201520663364U CN 204899378 U CN204899378 U CN 204899378U
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Abstract
The utility model provides a tower is striden to 330kV alternating current transmission two sharp height of narrow base in return circuit in city, design condition is: the level land, design wind speed 23.5ms, icing 5mm exhales high scope 24.0m-42.0m. Tower structure includes that body of the tower, symmetry set up and sets up at under and wire cross arm of the upper conductor cross arm of ground wire cross arm below, well wire cross arm at the ground wire cross arm at body of the tower top and from the top symmetry in proper order, the wire cross arm all included two branches that link to each other with the body of the tower under ground wire cross arm, upper conductor cross arm, well wire cross arm reached, and each cross arm top is isometric point. The wire is hung and is a little all adopted I type insulator chain, and the iron tower pattern is arranged for traditional drum type. The steel pipe is chooseed for use to body of the tower owner material, and the angle steel is chooseed for use to cross arm and oblique material, and the connecting piece includes connection plate, standard flange and bolt, and the cat ladder that is used for the climbing is erect to body of the tower one side. The utility model discloses a biggest root is offered and is counted 3.0m, close check corridor width, and the requirement of setting up of line is taken away in satisfied afforestation.
Description
Technical field
The utility model relates to high voltage iron tower, and particularly 330kV ac transmission double loop, a kind of city narrow base straight line is high across tower.
Background technology
Along with country carries out the process of urbanization construction, the line corridor growing tension of town planning area and suburban area, the many locations crowded through the path such as urban green belts, sidewalk of circuit, particularly double loop, multiloop engineering, because load is comparatively large, the root of conventional steel tower opens the requirement that cannot meet line corridor.And narrow base steel tube tower take up an area little, passage is compact, structure is simple, attractive in appearance; easily coordinate mutually with urban environment; and the situation of urban planning difficulty and land used anxiety can be alleviated; avoid large-scale removal and reconstruction; while protection of the environment; reducing circuit cost, promote the innovative quality of design, is steel tube tower technology in the whole new set of applications of town planning area and suburban area line project.Therefore, the double loop narrow base steel pipe angle tower of research and design 330kV transmission line of alternation current is the technical problem that those skilled in the art are badly in need of solving.
Utility model content
The purpose of this utility model is for above-mentioned the problems of the prior art, and provide a kind of lightweight, cost is low, meets 330kV ac transmission double loop, the city narrow base straight line that the strict control area of line corridor requires transmission line of alternation current high across tower.
To achieve these goals, the technical solution adopted in the utility model is: comprise tower body that steel pipe makes, be symmetricly set on tower body top for hanging the ground wire cross-arm of ground wire and being symmetricly set on successively from top to down below ground wire cross-arm for hanging the upper conductor cross-arm of two-phase transmission pressure, middle wire cross-arm and lower wire cross-arm; Described tower body is formed in the below of lower wire cross-arm and becomes slope place, and upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm are all connected with tower body, and include the Liang Ge branch being symmetricly set on both sides, tower body tower head bottom, and the bottom of tower body is connected with tower leg.
Tower body selects Q345 steel pipe, and the maximum root of steel tower opened and control as 3.0m, strict control circuit width of corridor, cross-arm and tiltedly material select Q345 or Q235 angle steel to make.
The bottom shape of described ground wire cross-arm, upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm is trapezoidal, and the top opening of ground wire cross-arm wide be 0.929m, the top opening of upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm is wide is 1.1m.
The top of described ground wire cross-arm is symmetrically arranged with ground wire hanging point, and the top, both sides of upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm is all symmetrical arranged conducting wire hanging point.
Described ground wire hanging point and conducting wire hanging point are link plate type hanging point.
Described ground wire hanging point is symmetricly set on 7.6m place, plan range axis on ground wire cross-arm;
The conducting wire hanging point of upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm is symmetricly set on distance 6.1m, 7.6m and 6.0m place, tower body center respectively.
Described change slope place distance lower wire cross-arm and the junction of tower body are 2.4m.
The overall length of described ground wire cross-arm is 15.2m, and ground wire cross-arm and tower body junction root height are 2.1m, and the cross-arm termination of ground wire cross-arm is pointed, and angle is 17 °;
Upper conductor cross-arm overall length is 12.2m, and upper conductor cross-arm and tower body junction root height are 1.7m, and the cross-arm termination of upper conductor cross-arm is pointed, and angle is 18 °;
Middle wire cross-arm overall length is 15.2m, and middle wire cross-arm and tower body junction root height are 2.2m, and the cross-arm termination of middle wire cross-arm is pointed, and angle is 18 °;
Lower wire cross-arm overall length is 12.0m, and lower wire cross-arm and tower body junction root height are 1.9m, and the cross-arm termination of lower wire cross-arm is pointed, and angle is 20 °.
Interlamellar spacing between described ground wire cross-arm and upper conductor cross-arm is 3.8m; Interlamellar spacing between upper conductor cross-arm and middle wire cross-arm is 8.9m; Spacing between middle wire cross-arm and lower wire cross-arm is 7.9m.
Full tower adopts gusset plate, standard flange and bolt to be connected by each component, and along the main material in tower body side from top to bottom step-by-step arrangement for carrying out the cat ladder organizing tower and maintenance.
Compared with prior art, the utility model has following beneficial effect: be the tower body that main material is made by selecting steel pipe, under the condition meeting shaft tower intensity and requirement of toppling, the maximum root of steel tower can be opened and control to 3.0m by the utility model, to meet the requirement of setting up inside the greenbelt of urban road.In addition, cross-arm of the present utility model and tiltedly material select angle steel to make, and have saved steel, have reduced cost, with satisfied economy and environmental requirement.Occupation of land of the present utility model is little, passage is compact, structure is simple, attractive in appearance; easily coordinate mutually with urban environment; and the situation of urban planning difficulty and land used anxiety can be alleviated; avoid large-scale removal and reconstruction; while protection of the environment; reducing circuit cost, improve the innovative quality of design, is steel tube tower technology in the whole new set of applications of town planning area and suburban area line project.
Accompanying drawing explanation
Fig. 1 structural representation of the present utility model;
In accompanying drawing: 1. tower body; 2. ground wire cross-arm; 3. upper conductor cross-arm; 4. wire cross-arm in; 5. lower wire cross-arm; 6. become slope place; 7. junction; 8. cat ladder; 9. tower leg.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
See Fig. 1, the utility model structure comprises tower body 1, be symmetricly set on tower body 1 top for hanging the ground wire cross-arm 2 of ground wire and being symmetricly set on successively from top to down below ground wire cross-arm 2 for hanging the upper conductor cross-arm 3 of two-phase transmission pressure, middle wire cross-arm 4 and lower wire cross-arm 5; Upper conductor cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5 are all connected with tower body 1;
Upper conductor cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5 include Liang Ge branch and Liang Ge branch is symmetricly set on the left and right sides of tower body 1 tower head bottom respectively.
Ground wire cross-arm 2 symmetry be arranged at tower body 1 top, its bottom shape is trapezoidal, top opening is wide is 0.929m, and keeps isometric to tower head the right and left horizontal stretching.Ground wire hanging point is symmetricly set on 7.6m place, plan range axis on ground wire cross-arm 2, and the tower body root height of ground wire cross-arm 2 is 2.1m, and ground wire cross-arm 2 is for hanging ground wire, and ground wire shields to twice wires.
Upper conductor cross-arm 3 is positioned at the below of ground wire cross-arm 2, and upper conductor cross-arm 3 comprises Liang Ge branch, lays respectively at the left and right sides of tower head bottom, and its bottom shape is trapezoidal, and top opening is wide is 1.1m, and keeps symmetrical to tower head the right and left horizontal stretching.Upper conductor cross-arm 3 for hanging two-phase transmission pressure, and meets electric clearance requirement.The overall length of upper conductor cross-arm 3 is 12.2m, hanging point distance tower body center 6.1m.
Middle wire cross-arm 4 is positioned at the below of upper conductor cross-arm 3.Middle wire cross-arm 4 comprises Liang Ge branch, lays respectively at the left and right sides of tower head bottom, and keep symmetrical to tower head the right and left horizontal stretching, its bottom shape is trapezoidal, the wide 1.1m of top opening.Middle wire cross-arm 4 for hanging two-phase transmission pressure, and meets electric clearance requirement.Middle wire cross-arm overall length is 15.2m, conducting wire hanging point distance tower body center 7.6m.
Lower wire cross-arm 5 is arranged in the below of wire cross-arm 4.Lower wire cross-arm 5 comprises Liang Ge branch, lays respectively at the left and right sides of tower head bottom, and its bottom shape is trapezoidal, and top opening is wide is 1.1m, and keeps symmetrical to tower head the right and left horizontal stretching.Lower wire cross-arm 5 for hanging two-phase transmission pressure, and meets electric clearance requirement.Lower wire cross-arm 5 overall length is 12.0m, hanging point distance tower body center 6.0m.
Interlamellar spacing between ground wire cross-arm 2 and upper conductor cross-arm 3 is 3.8m; Interlamellar spacing between upper conductor cross-arm 3 and middle wire cross-arm 4 is 8.9m; Interlamellar spacing between middle wire cross-arm 4 and lower wire cross-arm 5 is 7.9m.
The utility model tangent tower ground wire hanging point is arranged on ground wire cross-arm 2 top, conducting wire hanging point is separately positioned on bottom upper conductor cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5, hanging point all adopts link plate pattern, thus avoid welding job, the stress performance of effective reinforcement hanging point, meets the requirements such as the intensity of hanging wire node.
The change slope place 6 of tower body 1 is 2.4m with lower wire cross-arm 5 and the spacing of the junction 7 of tower body 1, reasonably selects the position becoming slope place 6 effectively can save material, and processes easy for installation.
Q345 steel pipe selected by the main material of tower body 1, under the condition meeting shaft tower intensity and requirement of toppling, the maximum root of steel tower opened and controls to 3m, to meet the requirement of setting up inside the greenbelt of urban road.Except the main material of tower body, Q345, Q235 angle steel selected by cross-arm and tiltedly material, saves steel pipe, reduces cost, with satisfied economy and environmental requirement.
About the lightning protection of shaft tower, what meet code requirement should not be greater than 0 ° of protection.
Full tower adopts gusset plate, standard flange and bolt to be connected by each component, and on the right side of tower body main material step-by-step arrangement cat ladder 8 from top to bottom, meet the requirement of group tower and maintenance, the bottom of tower body 1 is connected with tower leg 9.
Design condition of the present utility model is: level land, design wind speed 23.5m/s, and icing 5mm exhales high scope 24.0m ~ 42.0m.
The utility model narrow base steel pipe straight line is high across tower, in the design of shaft tower, take into full account the erection requirement of line corridor, steel tower root is opened within being strict controlled in 3.0m, Q345 steel pipe selected by the main material of tower body, and Q345, Q235 angle steel selected by cross-arm and tiltedly material, meeting under the stressed prerequisite of shaft tower, save steel pipe, reduce cost.Further; cabling in greenbelt; the situation of urban planning difficulty and land used anxiety can be alleviated; avoid large-scale removal and reconstruction; while protection of the environment; reducing circuit cost, promote the innovative quality of design, is steel tube tower technology in the whole new set of applications of town planning area and suburban area line project.
Claims (10)
1. city 330kV ac transmission double loop narrow base straight line is high across a tower, it is characterized in that: comprise tower body (1) that steel pipe makes, be symmetricly set on tower body (1) top for hanging the ground wire cross-arm (2) of ground wire and being symmetricly set on ground wire cross-arm (2) below from top to down successively for hanging the upper conductor cross-arm (3) of two-phase transmission pressure, middle wire cross-arm (4) and lower wire cross-arm (5); Described tower body (1) is formed in the below of lower wire cross-arm (5) and becomes slope place (6), upper conductor cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) are all connected with tower body (1), and include the Liang Ge branch being symmetricly set on both sides, tower body (1) tower head bottom, the bottom of tower body (1) is connected with tower leg (9).
2. 330kV ac transmission double loop, city according to claim 1 narrow base straight line is high across tower, it is characterized in that: tower body (1) selects Q345 steel pipe, the maximum root of steel tower is opened and controls as 3.0m, strict control circuit width of corridor, cross-arm and tiltedly material select Q345 or Q235 angle steel to make.
3. 330kV ac transmission double loop, city according to claim 1 narrow base straight line is high across tower, it is characterized in that: the bottom shape of described ground wire cross-arm (2), upper conductor cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) is trapezoidal, and the top opening of ground wire cross-arm (2) wide be 0.929m, the top opening of upper conductor cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) is wide is 1.1m.
4. 330kV ac transmission double loop, city according to claim 1 narrow base straight line is high across tower, it is characterized in that: the top of described ground wire cross-arm (2) is symmetrically arranged with ground wire hanging point, the top, both sides of upper conductor cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) is all symmetrical arranged conducting wire hanging point.
5. 330kV ac transmission double loop, city according to claim 3 narrow base straight line is high across tower, it is characterized in that: described ground wire hanging point and conducting wire hanging point are link plate type hanging point.
6. 330kV ac transmission double loop, city according to claim 3 narrow base straight line is high across tower, it is characterized in that: described ground wire hanging point is symmetricly set on the upper 7.6m place, plan range axis of ground wire cross-arm (2);
The conducting wire hanging point of upper conductor cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) is symmetricly set on distance 6.1m, 7.6m and 6.0m place, tower body (1) center respectively.
7. 330kV ac transmission double loop, city according to claim 1 narrow base straight line is high across tower, it is characterized in that: described change slope place (6) distance lower wire cross-arm (5) is 2.4m with the junction (7) of tower body (1).
8. 330kV ac transmission double loop, city according to claim 1 narrow base straight line is high across tower, it is characterized in that: the overall length of described ground wire cross-arm (2) is 15.2m, ground wire cross-arm (2) and tower body (1) junction root height are 2.1m, the cross-arm termination of ground wire cross-arm (2) is pointed, and angle is 17 °;
Upper conductor cross-arm (3) overall length is 12.2m, and upper conductor cross-arm (3) and tower body (1) junction root height are 1.7m, and the cross-arm termination of upper conductor cross-arm (3) is pointed, and angle is 18 °;
Middle wire cross-arm (4) overall length is 15.2m, and middle wire cross-arm (4) and tower body (1) junction root height are 2.2m, and the cross-arm termination of middle wire cross-arm (4) is pointed, and angle is 18 °;
Lower wire cross-arm (5) overall length is 12.0m, and lower wire cross-arm (5) and tower body (1) junction root height are 1.9m, and the cross-arm termination of lower wire cross-arm (5) is pointed, and angle is 20 °.
9. 330kV ac transmission double loop, city according to claim 1 narrow base straight line is high across tower, it is characterized in that: the interlamellar spacing between described ground wire cross-arm (2) and upper conductor cross-arm (3) is 3.8m; Interlamellar spacing between upper conductor cross-arm (3) and middle wire cross-arm (4) is 8.9m; Spacing between middle wire cross-arm (4) and lower wire cross-arm (5) is 7.9m.
10. 330kV ac transmission double loop, city according to claim 1 narrow base straight line is high across tower, it is characterized in that: full tower adopts gusset plate, standard flange and bolt to be connected by each component, and along the main material in tower body (1) side from top to bottom step-by-step arrangement for carrying out the cat ladder (8) organizing tower and maintenance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663364.8U CN204899378U (en) | 2015-08-28 | 2015-08-28 | Tower is striden to 330kV alternating current transmission two sharp height of narrow base in return circuit in city |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520663364.8U CN204899378U (en) | 2015-08-28 | 2015-08-28 | Tower is striden to 330kV alternating current transmission two sharp height of narrow base in return circuit in city |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106382047A (en) * | 2016-11-09 | 2017-02-08 | 国网浙江省电力公司绍兴供电公司 | Transmission tower insulation truss module |
| CN109469400A (en) * | 2018-12-14 | 2019-03-15 | 贵阳电力设计院有限公司 | Double Loop Steel Tower that is a kind of while solving to bore more and cross over demand |
-
2015
- 2015-08-28 CN CN201520663364.8U patent/CN204899378U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106382047A (en) * | 2016-11-09 | 2017-02-08 | 国网浙江省电力公司绍兴供电公司 | Transmission tower insulation truss module |
| CN106368495B (en) * | 2016-11-09 | 2018-09-07 | 国网浙江省电力公司绍兴供电公司 | One kind is novel to wear straight line narrow base tower |
| CN109469400A (en) * | 2018-12-14 | 2019-03-15 | 贵阳电力设计院有限公司 | Double Loop Steel Tower that is a kind of while solving to bore more and cross over demand |
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