CN206337886U - A kind of 20 °~40 ° angle towers of middle ice formation 500kV ac transmissions - Google Patents
A kind of 20 °~40 ° angle towers of middle ice formation 500kV ac transmissions Download PDFInfo
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- CN206337886U CN206337886U CN201621399455.6U CN201621399455U CN206337886U CN 206337886 U CN206337886 U CN 206337886U CN 201621399455 U CN201621399455 U CN 201621399455U CN 206337886 U CN206337886 U CN 206337886U
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Abstract
A kind of 20 °~40 ° angle towers of middle ice formation 500kV ac transmissions, ground wire cross-arm, upper wire cross-arm and lower wire cross-arm on tower body are arranged on including tower body and from top to bottom, ground wire cross-arm is arranged on the top of tower body, upper wire cross-arm is located at the interior angle side of tower body, and ground wire cross-arm is each provided at the both sides of tower body with lower wire cross-arm；The top of ground wire cross-arm is provided with ground wire hanging point, and the bottom of upper wire cross-arm and two side bottoms of lower wire cross-arm are equipped with conducting wire hanging point；Tower body is in the lower section of lower wire cross-arm provided with becoming at slope, and plane is rectangle on the ground wire cross-arm of tower body exterior angle side, and end mouthful is wide to be 2.203m, and the lower plane of upper wire cross-arm and lower wire cross-arm is rectangle, and wide end mouthful is respectively 3.30m and 4.649m；Ground wire cross-arm is 8.0m with the interlamellar spacing of upper wire cross-arm；Upper wire cross-arm is 9.5m with the interlamellar spacing of lower wire cross-arm；Tower body bottom connects tower leg, and the tower alleviates tower weight, saves tower material.
Description
Technical field
The utility model is related to high voltage iron tower, and in particular to a kind of middle 20 °~40 ° angle towers of ice formation 500kV ac transmissions.
Background technology
In the prior art, the application of angle tower has a lot, although its designing technique is more ripe, can not also fit at present
It is more than the region that 5000m, ice covering thickness are 15mm used in 500kV voltage class intermediate altitude, due to electric clearance and tower load
Change cause physical dimension and structural strength be difficult to meet require, using traditional angle tower, it is impossible to implemented.
Utility model content
The purpose of this utility model is to be exchanged for above-mentioned the problems of the prior art there is provided a kind of middle ice formation 500kV
20 °~40 ° angle towers of transmission of electricity, the electric clearance and structural strength of the tower disclosure satisfy that the requirement in ice formation area in High aititude.
To achieve these goals, the technical solution adopted in the utility model is：
Ground wire cross-arm, upper wire cross-arm and lower wire cross-arm on tower body, institute are arranged on including tower body and from top to bottom
The ground wire cross-arm stated is arranged on the top of tower body, and upper wire cross-arm is arranged on the interior angle side of tower body, and ground wire cross-arm is horizontal with lower wire
Load is arranged at the both sides of tower body；The top of the ground wire cross-arm be provided with ground wire hanging point, the bottom of upper wire cross-arm and under lead
Two side bottoms of line cross-arm are equipped with conducting wire hanging point；The tower body is provided with below lower wire cross-arm at change slope, outside tower body
Plane is rectangle on the ground wire cross-arm of angle side, and end mouthful is wide to be 2.203m, the lower plane of upper wire cross-arm and lower wire cross-arm
Rectangle is, wide end mouthful is respectively 3.30m and 4.649m；Interlamellar spacing between the ground wire cross-arm and upper wire cross-arm is
8.0m；Interlamellar spacing between upper wire cross-arm and lower wire cross-arm is 9.5m；The bottom of tower body is connected with tower leg.
Described ground wire cross-arm sets wire jumper hanging point, end of the lower wire cross-arm in tower body both sides in the end of tower body interior angle side
Portion is provided with wire jumper cross-arm, and wire jumper cross arm end is provided with jumper hole.
Described becomes at slope apart from the junction of lower wire cross-arm and tower body as 6.0m.
Described ground wire hanging point is arranged on the upper plane of ground wire cross-arm, and the ground wire hanging point of tower body exterior angle side is apart from tower body axis
Line 9.7m, the first ground wire hanging point of tower body interior angle side is arranged at the upper plan range tower body axis 8.0m of ground wire cross-arm, tower
Second ground wire hanging point of body interior angle side is arranged at the upper plan range tower body axis 12.3m of ground wire cross-arm, the first hanging point it
Between the distance between distance and the second hanging point be 4.3m.
The conducting wire hanging point set on the upper wire cross-arm and lower wire cross-arm is used between double hanging point, the first hanging point
The distance between distance and second hanging point are 0.59m.
The overall length of the ground wire cross-arm is 22.0m, and its vertical height with tower body junction is 2.7m, tower body exterior angle side
The cross-arm termination of line cross-arm is pointed, and end angle is 17.7 °；
The length of upper wire cross-arm is 1.19m, and it is 1.9m with the vertical height of tower body junction, and tower body interior angle is led on side
The cross-arm termination of line cross-arm is pointed, and end angle is 55.1 °；
The overall length of lower wire cross-arm is 21.91m, and it is 3.3m with the vertical height of tower body junction, tower body exterior angle side
Termination angle is 19.8 °, and the termination angle of tower body interior angle side is 22.0 °.
Described tower body is made of Q420 steel.
Compared with prior art, the utility model has following beneficial effect：It is high for ice formation in 500kV voltage class
The characteristics of Altitude Regions, by reasonable Arrangement tower body structure, to ensure the security reliability of shaft tower, the utility model is by will be upper
Wire cross-arm is arranged on the interior angle side of tower body, and the wire jumper hanging point of upper wire is arranged on the ground wire cross-arm of interior angle side, effectively shortened
The length of upper wire cross-arm, alleviates tower weight, reduces cost.The lower wire cross-arm that the utility model is arranged on tower body both sides is adopted
With asymmetrical design, the cross-arm length of tower body interior angle side is shortened, electric clearance can be met, lot of materials is saved again, subtracted
Light tower weight.Tower body bottom connects tower leg, according to different topography and geomorphologies, can select short tower leg or long tower leg.In summary,
The utility model steel tower sets up safety, disclosure satisfy that the construction of line requirement of ice formation high altitude localities in 500kV voltage class.
Brief description of the drawings
Fig. 1 overall structure diagrams of the present utility model；
The structural representation of the short tower leg of Fig. 2 the utility model；
The structural representation of the long tower leg of Fig. 3 the utility model；
In accompanying drawing：1- tower bodies；2- ground wire cross-arms；The upper wire cross-arms of 3-；4- lower wire cross-arms；5- becomes at slope；6- junctions；
7- tower legs；The short tower legs of 8-；The long tower legs of 9-.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the utility model in structure include tower body 1, ground wire cross-arm 2, on wire cross-arm 3, lower wire cross-arm
4th, 5, junction 6 and tower leg 7 at slope are become.Wherein, ground wire cross-arm 2 is arranged on the top of tower body 1, the top of upper wire cross-arm 3, ground
Line cross-arm 2 includes the Liang Ge branches of unsymmetrical arrangement, respectively positioned at the left and right sides of tower body 1；The top of ground wire cross-arm 2 is provided with
Ground wire hanging point, for hanging ground wire, ground wire plays a protective role to wire；The Liang Ge branches outermost end of ground wire cross-arm 2 is to tower body 1
The distance of axis is respectively 9.7m, 12.3m, and ground wire cross-arm 2 is 2.7m with the height of tower body junction.Led on the utility model
The bottom of line cross-arm 3 and lower wire cross-arm 4 is provided with conducting wire hanging point, and from double extension forms.
Upper wire cross-arm 3 is used to hang a phase transmission pressure, and meets the requirement of electric clearance.Cross-arm length is 1.19m,
Cross-arm root is 1.9m with the vertical height of tower body junction, and top shape is pointed, and angle is 55.1 °.
Lower wire cross-arm 4 is used to hang two-phase transmission pressure, and meets the requirement of electric clearance.Cross-arm total length is
21.91m, including left horizontal stretcher, right horizontal stretcher and the tower body part that is connected with cross-arm, remove tower body width, and cross-arm one side in left and right is long
Degree is respectively 8.925m, 7.925m, is arranged at tower body both sides, and to tower head the right and left horizontal stretching, cross-arm root connects with tower body
The vertical height for meeting place is 3.3m, and top shape is pointed, and angle is respectively 19.8 °, 22.0 °, and equal in left and right cross arm end
Increase wire jumper cross-arm, high 0.8m；Conducting wire hanging point is double hanging point, and left side cross-arm conducting wire hanging point is separately positioned on apart from tower body center
At 11.705m and at 12.295m, right side conducting wire hanging point is separately positioned at the 10.205m of tower body center and at 10.795m.
Interlamellar spacing between the utility model ground wire cross-arm 2 and upper wire cross-arm 3 is 8.0m；Upper wire of the present utility model
Interlamellar spacing between cross-arm 3 and lower wire cross-arm 4 is 9.5m.
Transmission pressure of the present utility model is connected using duplex gold utensil with tower body 1, upper wire cross-arm 3 and lower wire cross-arm
4 conducting wire hanging point sets two hanging points to be connected with gold utensil respectively, reasonable structural arrangement, and power transmission clearly, has ensured the safety of engineering
Operation.
The ground wire hanging point of the utility model angle tower is arranged on the top of ground wire cross-arm 2, and conducting wire hanging point is separately positioned on
The bottom of wire cross-arm 3 and lower wire cross-arm 4, hanging point uses hanging plate pattern, so that welding job is avoided, it is effective to strengthen hanging
The stress performance of point, meets the requirements such as the intensity of hanging wire node.
5 junction 6 between lower wire cross-arm 4 and tower body 1 at slope that becomes of tower body 1 selects to become into 6.0m, reasonably
5 position can effectively save material at slope, and be convenient to process and mount.The main material of tower body 1 mainly uses Q420 high-strength steel, main
Material rigidity changes according to rule from top to bottom, and welding is few, easy construction, tower weight reduction.Referring to Fig. 2,3, the bottom of tower body 1 is connected with
Tower leg 7, tower leg 7 selects short tower leg 8 or long tower leg 9, to adapt to different topography and geomorphologies.
The utility model angle tower is in the structure arrangement of steel tower, and plane sets double earth wire hanging point on the ground wire cross-arm of inner side,
The wire jumper hanging point of upper wire is arranged on the ground wire cross-arm of interior angle side, the length of wire cross-arm is significantly shortened, subtracts
Light tower weight, saves tower material, reduces cost.Ensure the security reliability of shaft tower by reasonable Arrangement tower body structure and selection,
Electric clearance is met by reasonable Arrangement wire cross-arm and wire jumper cross-arm, the left and right branch of lower wire cross-arm is using asymmetric
Design, shortens the cross-arm length of interior angle side, can meet electric clearance, and material is saved again, mitigates tower weight.In summary,
The application of this kind of novel iron tower disclosure satisfy that the construction of line requirement of ice formation high altitude localities in 500kV voltage class.
Claims (7)
1. a kind of 20 °~40 ° angle towers of middle ice formation 500kV ac transmissions, it is characterised in that：Including tower body (1) and from upper and
Under be arranged on ground wire cross-arm (2), upper wire cross-arm (3) and lower wire cross-arm (4) on tower body (1), described ground wire cross-arm (2)
The top of tower body (1) is arranged on, upper wire cross-arm (3) is arranged on the interior angle side of tower body (1), and ground wire cross-arm (2) is horizontal with lower wire
Load (4) is arranged at the both sides of tower body (1)；The top of the ground wire cross-arm (2) is provided with ground wire hanging point, upper wire cross-arm (3)
Two side bottoms of bottom and lower wire cross-arm (4) are equipped with conducting wire hanging point；The tower body (1) is under lower wire cross-arm (4)
Side is provided with change slope (5), and plane is rectangle on the ground wire cross-arm (2) of tower body (1) exterior angle side, and end mouthful is wide to be 2.203m,
The lower plane of upper wire cross-arm (3) and lower wire cross-arm (4) is rectangle, and wide end mouthful is respectively 3.30m and 4.649m；It is described
Interlamellar spacing between ground wire cross-arm (2) and upper wire cross-arm (3) is 8.0m；Between upper wire cross-arm (3) and lower wire cross-arm (4)
Interlamellar spacing be 9.5m；The bottom of tower body (1) is connected with tower leg (7).
2. middle 20 °~40 ° angle towers of ice formation 500kV ac transmissions according to claim 1, it is characterised in that：Described ground
Line cross-arm (2) sets wire jumper hanging point in the end of tower body (1) interior angle side, and lower wire cross-arm (4) is equal in the end of tower body (1) both sides
Wire jumper cross-arm is provided with, wire jumper cross arm end is provided with jumper hole.
3. middle 20 °~40 ° angle towers of ice formation 500kV ac transmissions according to claim 1, it is characterised in that：Described change
(5) are 6.0m apart from the junction (6) of lower wire cross-arm (4) and tower body (1) at slope.
4. middle 20 °~40 ° angle towers of ice formation 500kV ac transmissions according to claim 1, it is characterised in that：Described ground
Line hanging point is arranged on the upper plane of ground wire cross-arm (2), the ground wire hanging point of tower body (1) exterior angle side apart from tower body (1) axis 9.7m,
The first ground wire hanging point of tower body (1) interior angle side is arranged at upper plan range tower body (1) the axis 8.0m of ground wire cross-arm (2),
The second ground wire hanging point of tower body (1) interior angle side is arranged at upper plan range tower body (1) the axis 12.3m of ground wire cross-arm (2),
The distance between the distance between first hanging point and second hanging point are 4.3m.
5. middle 20 °~40 ° angle towers of ice formation 500kV ac transmissions according to claim 1, it is characterised in that：Led on described
The conducting wire hanging point set on line cross-arm (3) and lower wire cross-arm (4) uses double hanging point, the distance between the first hanging point and second
The distance between hanging point is 0.59m.
6. middle 20 °~40 ° angle towers of ice formation 500kV ac transmissions according to claim 1, it is characterised in that：
The overall length of the ground wire cross-arm (2) is 22.0m, and it is 2.7m with the vertical height of tower body (1) junction, and tower body (1) is outside
The cross-arm termination of angle side ground wire cross-arm (2) is pointed, and end angle is 17.7 °；
The length of upper wire cross-arm (3) is 1.19m, and it is 1.9m, tower body (1) interior angle with the vertical height of tower body (1) junction
The cross-arm termination of wire cross-arm (3) is pointed on side, and end angle is 55.1 °；
The overall length of lower wire cross-arm (4) is 21.91m, and it is 3.3m, tower body (1) exterior angle with the vertical height of tower body (1) junction
The termination angle of side is 19.8 °, and the termination angle of tower body (1) interior angle side is 22.0 °.
7. middle 20 °~40 ° angle towers of ice formation 500kV ac transmissions according to claim 1, it is characterised in that：Described tower
Body (1) is made of Q420 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399455.6U CN206337886U (en) | 2016-12-19 | 2016-12-19 | A kind of 20 °~40 ° angle towers of middle ice formation 500kV ac transmissions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621399455.6U CN206337886U (en) | 2016-12-19 | 2016-12-19 | A kind of 20 °~40 ° angle towers of middle ice formation 500kV ac transmissions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206337886U true CN206337886U (en) | 2017-07-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621399455.6U Active CN206337886U (en) | 2016-12-19 | 2016-12-19 | A kind of 20 °~40 ° angle towers of middle ice formation 500kV ac transmissions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206337886U (en) |
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2016
- 2016-12-19 CN CN201621399455.6U patent/CN206337886U/en active Active
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