CN204983866U - 30-50 narrow basic angle towers in two return circuits of 330kV alternating current transmission - Google Patents
30-50 narrow basic angle towers in two return circuits of 330kV alternating current transmission Download PDFInfo
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- CN204983866U CN204983866U CN201520663372.2U CN201520663372U CN204983866U CN 204983866 U CN204983866 U CN 204983866U CN 201520663372 U CN201520663372 U CN 201520663372U CN 204983866 U CN204983866 U CN 204983866U
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Abstract
30-50 narrow basic angle towers in two return circuits of 330kV alternating current transmission, design condition is: the level land, design wind speed 23.5ms, icing 5mm exhales high scope 21.0m-36.0m. Tower structure includes the body of the tower, set up and to set gradually 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, the wire cross arm all included two branches and is connected with the body of the tower respectively that both sides length varies under ground wire cross arm, upper conductor cross arm, well wire cross arm reached, and each wire cross arm tip all increases the wire jumper cross arm. 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 bolted connection, and the main material in edge body of the tower one side erects the cat ladder and is used for scrambleing the upper column. The utility model discloses a biggest root is offered and is counted 4.0m, 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, particularly the narrow base angle tower in 30 ° ~ 50 °, a kind of 330kV ac transmission double loop.
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, there is provided 30 ° ~ 50 °, a kind of 330kV ac transmission double loop narrow base angle tower, this tower lightweight, cost is low, can meet the strict control area of line corridor to the requirement of 330kV transmission line of alternation current.
To achieve these goals, the technical scheme that the utility model is taked is:
Comprise tower body that steel pipe makes, be arranged on tower body top for hanging the ground wire cross-arm of ground wire and being successively set on 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; Upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm are all connected with tower body, ground wire cross-arm top is provided with ground wire hanging point, upper conductor cross-arm, middle wire cross-arm and lower wire cross arm end all arrange conducting wire hanging point, and ground wire hanging point and conducting wire hanging point are link plate type hanging point;
Described upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm include the Liang Ge branch being arranged on both sides, tower body tower head bottom, and the both sides of middle wire cross-arm are respectively arranged with wire jumper cross-arm, wire jumper cross arm end is provided with the jumper hole for increasing jumper string, and the bottom of tower body is connected with tower leg.
Tower body selects Q345 steel pipe, is opened by steel tower root and controls as 4.0m, the cross-arm that cross-arm and tiltedly material select Q345 or Q235 angle steel to make and oblique material.
The bottom shape of described ground wire cross-arm, upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm is rectangle, and top opening is wide is 2.0m.
Described ground wire hanging point is arranged on plane on ground wire cross-arm, and both sides hanging point distance axis is respectively 7.05m, 8.25m;
The conducting wire hanging point of upper conductor cross-arm is double hanging point, first hanging point distance tower body center 5.05m of side cross-arm, first hanging point distance tower body center 6.25m of opposite side cross-arm, the second hanging point of both sides cross-arm all apart from the first hanging point 0.5m, and all arranges jumper hole at cross arm end;
The conducting wire hanging point of middle wire cross-arm is double hanging point, first hanging point distance tower body center 6.55m of side cross-arm, first hanging point distance tower body center 7.75m of opposite side cross-arm, the second hanging point of both sides cross-arm all apart from the first hanging point 0.5m, and all arranges jumper hole at cross arm end;
The conducting wire hanging point of lower wire cross-arm is double hanging point, first hanging point distance tower body center 5.05m of side cross-arm, first hanging point distance tower body center 6.25m of opposite side cross-arm, the second hanging point of both sides cross-arm all apart from the first hanging point 0.5m, and all arranges jumper hole at cross arm end.
Tower body is formed in the below of lower wire cross-arm and becomes slope place, and the junction becoming slope place distance lower wire cross-arm and tower body is 1.8m.
The overall length of described ground wire cross-arm is 15.3m, and ground wire cross-arm and tower body junction root height are 2.25m, and the cross-arm termination of ground wire cross-arm is pointed, and the angle of both sides is respectively 15 °, 20 °;
Upper conductor cross-arm overall length is 12.3m, side cross arm end distance tower body center 6.75m, opposite side cross arm end distance tower body center 5.55m, the angle of cross-arm termination is respectively 19 °, 24 °, and jumper hole is set at cross arm end, upper conductor cross-arm and tower body junction root height are 1.8m;
Middle wire cross-arm overall length is 16.3m, side cross arm end distance tower body center 9.25m, and angle is 19 °, wherein the long 1.0m of wire jumper cross-arm, and stretches out in the horizontal direction, arranges jumper hole at cross arm end; Opposite side cross arm end distance tower body center 7.05m, angle is 23 °, and arranges jumper hole at cross arm end; Middle wire cross-arm and tower body junction root height are 2.3m;
Lower wire cross-arm overall length is 12.3m, side cross arm end distance tower body center 6.75m, opposite side cross arm end distance tower body center 5.55m, the angle of cross-arm termination is respectively 19 °, 24 °, and jumper hole is set at cross arm end, lower wire cross-arm and tower body junction root height are 1.8m.
Interlamellar spacing between ground wire cross-arm and upper conductor cross-arm is 5.5m; Interlamellar spacing between upper conductor cross-arm and middle wire cross-arm is 8.3m; Spacing between middle wire cross-arm and lower wire cross-arm is 7.5m.
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 4.0m 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 arranged on tower body 1 top for hanging the ground wire cross-arm 2 of ground wire and being successively set on from top to down for hanging the upper conductor cross-arm 3 of two-phase transmission pressure, middle wire cross-arm 4 and lower wire cross-arm 5 below ground wire cross-arm 2, 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, are separately positioned on the left and right sides of tower body 1 tower head bottom.
Ground wire cross-arm 2 is arranged at tower body 1 top, and its bottom shape is rectangle, and top opening is wide is 2.0m, and to tower head the right and left horizontal stretching but and Length discrepancy.The overall length of ground wire cross-arm 2 is 15.3m, and tower body root height is 2.25m, and ground wire hanging point is arranged on plane on ground wire cross-arm 2, and left and right is distance axis 7.05m, 8.25m respectively, 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 rectangle, and top opening is wide is 2.0m, and to tower head the right and left horizontal stretching but and Length discrepancy.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 12.3m, tower body root height is 1.8m, conducting wire hanging point is double hanging point, first hanging point distance tower body center 5.05m of right side cross-arm, first hanging point distance tower body center 6.25m of left side cross-arm, second hanging point of left and right sides cross-arm all apart from the first hanging point 0.5m, and all arranges jumper hole at cross arm end;
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, to tower head the right and left horizontal stretching but and Length discrepancy, its bottom shape is rectangle, and top opening is wide is 2.0m.Middle wire cross-arm 4 corner for hanging two-phase transmission pressure, and meets electric clearance requirement.Middle wire cross-arm overall length is 16.3m, tower body root height is 2.3m, conducting wire hanging point is double hanging point, first hanging point distance tower body center 6.55m of right side cross-arm, first hanging point distance tower body center 7.75m of left side cross-arm, second hanging point of left and right sides cross-arm all apart from the first hanging point 0.5m, and all arranges jumper hole at cross arm end;
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 rectangle, and top opening is wide is 2.0m, and to tower head the right and left horizontal stretching but and Length discrepancy.Lower wire cross-arm 5 for hanging two-phase transmission pressure, and meets electric clearance requirement.Lower wire cross-arm 5 overall length is 12.3m, tower body root height is 1.8m, conducting wire hanging point is double hanging point, first hanging point distance tower body center 5.05m of right side cross-arm, first hanging point distance tower body center 6.25m of left side cross-arm, second hanging point of left and right sides cross-arm all apart from the first hanging point 0.5m, and all arranges jumper hole at cross arm end.
Interlamellar spacing between ground wire cross-arm 2 upper conductor cross-arm 3 is 5.5m; Interlamellar spacing between upper conductor cross-arm 3 and middle wire cross-arm 4 is 8.3m; Spacing between middle wire cross-arm 4 and lower wire cross-arm 5 is 7.5m.
The utility model angle 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 1.8m 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 4.0m, 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 21.0m ~ 36.0m.
The utility model narrow base steel pipe angle 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 4.0m, 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 (8)
1. the narrow base angle tower in 30 ° ~ 50 °, 330kV ac transmission double loop, is characterized in that: comprise tower body (1) that steel pipe makes, be arranged on tower body (1) top for hanging the ground wire cross-arm (2) of ground wire and being successively set on ground wire cross-arm (2) below from top to down 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), ground wire cross-arm (2) top is provided with ground wire hanging point, upper conductor cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) end all arrange conducting wire hanging point, and ground wire hanging point and conducting wire hanging point are link plate type hanging point;
Described upper conductor cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) include the Liang Ge branch being arranged on both sides, tower body (1) tower head bottom, and the both sides of middle wire cross-arm (4) are respectively arranged with wire jumper cross-arm, wire jumper cross arm end is provided with the jumper hole for increasing jumper string, and the bottom of tower body (1) is connected with tower leg (9).
2. the narrow base angle tower in 30 ° ~ 50 °, 330kV ac transmission double loop according to claim 1, it is characterized in that: tower body (1) selects Q345 steel pipe, steel tower root is opened and controls as 4.0m, the cross-arm that cross-arm and tiltedly material select Q345 or Q235 angle steel to make and oblique material.
3. the narrow base angle tower in 30 ° ~ 50 °, 330kV ac transmission double loop according to claim 1, 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 rectangle, and top opening is wide is 2.0m.
4. the narrow base angle tower in 30 ° ~ 50 °, 330kV ac transmission double loop according to claim 1, it is characterized in that: described ground wire hanging point is arranged on the upper plane of ground wire cross-arm (2), and both sides hanging point distance axis is respectively 7.05m, 8.25m;
The conducting wire hanging point of upper conductor cross-arm (3) is double hanging point, first hanging point distance tower body (1) center 5.05m of side cross-arm, first hanging point distance tower body (1) center 6.25m of opposite side cross-arm, second hanging point of both sides cross-arm all apart from the first hanging point 0.5m, and all arranges jumper hole at cross arm end;
The conducting wire hanging point of middle wire cross-arm (4) is double hanging point, first hanging point distance tower body (1) center 6.55m of side cross-arm, first hanging point distance tower body (1) center 7.75m of opposite side cross-arm, second hanging point of both sides cross-arm all apart from the first hanging point 0.5m, and all arranges jumper hole at cross arm end;
The conducting wire hanging point of lower wire cross-arm (5) is double hanging point, first hanging point distance tower body (1) center 5.05m of side cross-arm, first hanging point distance tower body (1) center 6.25m of opposite side cross-arm, second hanging point of both sides cross-arm all apart from the first hanging point 0.5m, and all arranges jumper hole at cross arm end.
5. the narrow base angle tower in 30 ° ~ 50 °, 330kV ac transmission double loop according to claim 1, it is characterized in that: tower body (1) is formed in the below of lower wire cross-arm (5) and becomes slope place (6), becoming slope place (6) distance lower wire cross-arm (5) with the junction (7) of tower body (1) is 1.8m.
6. the narrow base angle tower in 30 ° ~ 50 °, 330kV ac transmission double loop according to claim 1, it is characterized in that: the overall length of described ground wire cross-arm (2) is 15.3m, ground wire cross-arm (2) and tower body (1) junction root height are 2.25m, the cross-arm termination of ground wire cross-arm (2) is pointed, and the angle of both sides is respectively 15 °, 20 °;
Upper conductor cross-arm (3) overall length is 12.3m, side cross arm end distance tower body center 6.75m, opposite side cross arm end distance tower body center 5.55m, the angle of cross-arm termination is respectively 19 °, 24 °, and jumper hole is set at cross arm end, upper conductor cross-arm (3) and tower body (1) junction root height are 1.8m;
Middle wire cross-arm (4) overall length is 16.3m, side cross arm end distance tower body center 9.25m, and angle is 19 °, wherein the long 1.0m of wire jumper cross-arm, and stretches out in the horizontal direction, arranges jumper hole at cross arm end; Opposite side cross arm end distance tower body center 7.05m, angle is 23 °, and arranges jumper hole at cross arm end; Middle wire cross-arm (4) and tower body (1) junction root height are 2.3m;
Lower wire cross-arm (5) overall length is 12.3m, side cross arm end distance tower body center 6.75m, opposite side cross arm end distance tower body center 5.55m, the angle of cross-arm termination is respectively 19 °, 24 °, and jumper hole is set at cross arm end, lower wire cross-arm (5) and tower body (1) junction root height are 1.8m.
7. the narrow base angle tower in 30 ° ~ 50 °, 330kV ac transmission double loop according to claim 1, is characterized in that: the interlamellar spacing between ground wire cross-arm (2) and upper conductor cross-arm (3) is 5.5m; Interlamellar spacing between upper conductor cross-arm (3) and middle wire cross-arm (4) is 8.3m; Spacing between middle wire cross-arm (4) and lower wire cross-arm (5) is 7.5m.
8. the narrow base angle tower in 30 ° ~ 50 °, 330kV ac transmission double loop according to claim 1, 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663372.2U CN204983866U (en) | 2015-08-28 | 2015-08-28 | 30-50 narrow basic angle towers in two return circuits of 330kV alternating current transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663372.2U CN204983866U (en) | 2015-08-28 | 2015-08-28 | 30-50 narrow basic angle towers in two return circuits of 330kV alternating current transmission |
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| Publication Number | Publication Date |
|---|---|
| CN204983866U true CN204983866U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520663372.2U Active CN204983866U (en) | 2015-08-28 | 2015-08-28 | 30-50 narrow basic angle towers in two return circuits of 330kV alternating current transmission |
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| CN (1) | CN204983866U (en) |
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- 2015-08-28 CN CN201520663372.2U patent/CN204983866U/en active Active
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