CN206418848U - A kind of 20 °~40 ° corner crossover towers in highlands 500kV ac transmissions double loop - Google Patents
A kind of 20 °~40 ° corner crossover towers in highlands 500kV ac transmissions double loop Download PDFInfo
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- CN206418848U CN206418848U CN201621396932.3U CN201621396932U CN206418848U CN 206418848 U CN206418848 U CN 206418848U CN 201621396932 U CN201621396932 U CN 201621396932U CN 206418848 U CN206418848 U CN 206418848U
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Abstract
The utility model discloses a kind of 20 °~40 ° corner crossover towers in highlands 500kV ac transmissions double loop, including tower body, the ground wire cross-arm being symmetricly set at the top of tower body and the upper wire cross-arm, middle wire cross-arm and the lower wire cross-arm that are symmetricly set on successively from top to down below ground wire cross-arm；Upper wire cross-arm, middle wire cross-arm and lower wire cross-arm are connected with tower body；Upper wire cross-arm, middle wire cross-arm and lower wire cross-arm include Liang Ge branches and the left and right sides for being arranged on tower body tower head bottom of Liang Ge branches respectively symmetrically; and both sides increase wire jumper cross-arm respectively; under conditions of electric clearance is met; effectively shorten wire cross-arm length; save passage; large area felling vegetation is avoided, is preserved the ecological environment.Ground wire cross-arm shares one section of tower body with upper wire cross-arm, reduces whole tower overall height so that tower weight mitigates, and reduces cost.The utility model reasonable structural arrangement, disclosure satisfy that the requirement of the larger highlands double loop ac transmission of wind speed.
Description
Technical field
The utility model is related to high voltage iron tower, and more particularly to a kind of 20 ° of highlands 500kV ac transmissions double loop~
40 ° of corner crossover towers.
Background technology
In the prior art, the design of double loop corner steel tower is more universal, and using more, designing technique is more ripe, but existing
There is double loop angle tower can not also be applied to the highlands (height above sea level of wind speed larger (V=33m/s)>4000m), using biography
The double loop angle tower of system, electric clearance can not be met, it is impossible to be implemented.
The content of the invention
The purpose of this utility model is to overcome above-mentioned problems of the prior art and not enough there is provided a kind of plateau
20 °~40 ° of area 500kV ac transmissions double loop corner crossover tower, the tower structure connection and reasonable arrangement disclosure satisfy that highlands double back
The requirement of road ac transmission.
In order to achieve the above object, the utility model includes being provided with the ground wire for hanging ground wire at the top of tower body, tower body
Cross-arm, ground wire cross-arm bottom is disposed with wire cross-arm, middle wire cross-arm and lower wire cross-arm, the bottom of tower body from top to bottom
Portion is provided with tower leg, and upper wire cross-arm, middle wire cross-arm and lower wire cross-arm are connected with tower body, upper wire cross-arm, middle wire
Cross-arm and lower wire cross-arm include the branch for being symmetricly set on tower body both sides, and ground wire cross-arm and upper wire cross-arm are fixed on tower body
Same place, ground wire cross-arm top is symmetrically arranged with ground wire hanging point, upper wire cross-arm, middle wire cross-arm and lower wire cross-arm two
Side bottom symmetrically sets conducting wire hanging point.
The ground wire hanging point and conducting wire hanging point are hanging plate type hanging point.
The distal end of the upper wire cross-arm, middle wire cross-arm and lower wire cross-arm is provided with wire jumper cross-arm, wire jumper cross-arm
End is provided with some jumper holes for being used to hang wire jumper.
The ground wire hanging point is symmetrically arranged on ground wire cross-arm at the 15.53m of plan range axis, upper wire cross-arm,
The conducting wire hanging point of middle wire cross-arm and lower wire cross-arm is double hanging point, and the first hanging point distance is with the second hanging point distance
0.56m。
The two-conductor line hanging point of the upper wire cross-arm is symmetrically arranged at the 12.22m of tower body center and at 12.78m,
Exterior angle side jumper hole is arranged on wire jumper cross arm end, two conducting wire hanging point center 2.0m of distance；
The two-conductor line hanging point of middle wire cross-arm is symmetrically arranged at the 14.97m of tower body center and at 15.53m, exterior angle
Side jumper hole is arranged on wire jumper cross arm end, two conducting wire hanging point center 2.0m of distance；
The two-conductor line hanging point of lower wire cross-arm is symmetrically arranged at the 13.22m of tower body center and at 13.78m, exterior angle
Side jumper hole is arranged on wire jumper cross arm end, two conducting wire hanging point center 2.0m of distance.
The floor projection overall length of the ground wire cross-arm is 31.06m, and ground wire cross-arm is highly with tower body junction root
3.6m, the cross-arm termination of ground wire cross-arm is pointed, and angle is 18 °；
The overall length of upper wire cross-arm is 24.44m, and the wire jumper cross-arm of tower body both sides is respectively 2.28m, 0.56m, and upper wire is horizontal
Load is highly 3.6m with tower body junction root, and the cross-arm termination of upper wire cross-arm is pointed, and angle is 18 °；
The overall length of middle wire cross-arm is 29.94m, and the wire jumper cross-arm of tower body both sides is respectively 2.28m, 0.56m, and middle wire is horizontal
Load is highly 4.2m with tower body junction root, and the cross-arm termination of middle wire cross-arm is pointed, and angle is 18 °；
The overall length of lower wire cross-arm is 26.44m, and the wire jumper cross-arm of tower body both sides is respectively 2.28m, 0.56m, and lower wire is horizontal
Load is highly 3.8m with tower body junction root, and the cross-arm termination of lower wire cross-arm is pointed, and angle is 20 °；
Interlamellar spacing between ground wire cross-arm and upper wire cross-arm is 9.5m；Layer between upper wire cross-arm and middle wire cross-arm
Spacing is 16.1m；Spacing between middle wire cross-arm and lower wire cross-arm is 15.1m.
The tower body becomes the junction away from lower wire cross-arm and tower body at slope at lower wire cross-arm change slope formed below
For 3.5m.
The tower body is made of Q420 high-strength steel.
Transmission pressure is connected using duplex gold utensil with tower body.
The tower leg uses at least one of short tower leg and long tower leg or multiple combinations.
Compared with prior art, the utility model is in the structure arrangement of steel tower, and ground wire cross-arm is shared with upper wire cross-arm
One section of tower body, reduces whole tower overall height so that tower weight mitigates, and reduces cost.Meanwhile, upper wire cross-arm, middle wire cross-arm and
Lower wire cross-arm both sides increase wire jumper cross-arm respectively, enable to wire cross-arm length reduction, are meeting the condition of electric clearance
Under, line corridor width is reduced, and saves passage, it is to avoid large area felling vegetation, is preserved the ecological environment.In summary, should
The application of novel iron tower is planted, steel tower cost can not only be reduced, while effectively having saved space.
Further, the utility model is provided with long tower leg and short tower leg, can adapt to different topography and geomorphologies.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the short tower leg of the utility model；
Fig. 3 is the structural representation of the long tower leg of the utility model；
Wherein, 1, tower body；2nd, ground wire cross-arm；3rd, upper wire cross-arm；4th, middle wire cross-arm；5th, lower wire cross-arm；6th, slope is become
Place；7th, junction；8th, tower leg；9th, short tower leg；10th, long tower leg.
Embodiment
The utility model is described further below in conjunction with the accompanying drawings.
Referring to Fig. 1, the utility model includes tower body 1, is symmetricly set on the ground wire horizontal stroke for being used to hang ground wire at the top of tower body 1
Load 2 and the upper wire cross-arm for being used to hang two-phase transmission pressure for being symmetricly set on the lower section of ground wire cross-arm 2 successively from top to down
3rd, middle wire cross-arm 4 and lower wire cross-arm 5；Upper wire cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5 are connected with tower body 1
Connect.
Upper wire cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5 include two symmetric part of matrix and Liang Ge branches are distinguished
It is arranged on the left and right sides of the tower head bottom of tower body 1.
Ground wire cross-arm 2 is arranged at the top of tower body 1, and its bottom shape is trapezoidal, a width of 1.0m in end mouthful.Ground wire hanging point is symmetrical
The upper plane of the Liang Ge branches of ground wire cross-arm 2 or so is arranged on, at the 15.53m of axis, the tower body root of ground wire cross-arm 2 is high
Spend for 3.6m, ground wire cross-arm 2 is used to hang ground wire, and ground wire shields to twice wires.
Ground wire cross-arm shares one section of tower body with upper wire cross-arm, under conditions of electric clearance is met, saves tower body material
Material, reduces steel tower cost.
Upper wire cross-arm 3 is located at the lower section of ground wire cross-arm 2, and upper wire cross-arm 3 includes Liang Ge branches, respectively under tower head
The left and right sides in portion, its bottom shape is rectangle, a width of 3.084m of top opening, and to tower head the right and left horizontal stretching, and
End is asymmetric to set wire jumper cross-arm, a height of 1.0m of wire jumper cross-arm.Upper wire cross-arm 3 is used to hang two-phase transmission pressure, and
Meet electric clearance requirement.The overall length of upper wire cross-arm is 24.44m, the wire jumper cross-arms of tower body both sides be respectively 2.28m,
0.56m, the two-conductor line hanging point of upper wire cross-arm is symmetrically arranged at the 12.22m of tower body center and at 12.78m, exterior angle side
Jumper hole is arranged on wire jumper cross arm end, two conducting wire hanging point center 2.0m of distance；
Middle wire cross-arm 4 is located at the lower section of upper wire cross-arm 3.Middle wire cross-arm 4 includes Liang Ge branches, respectively positioned above leading
The left and right sides of the bottom of line cross-arm 3, its bottom shape is rectangle, to tower head the right and left horizontal stretching, and in interior exterior angle side point
She Zhi not wire jumper cross-arm, the wide 4.812m of cross-arm top opening, a height of 1.0m of wire jumper cross-arm.Middle wire cross-arm 4 is defeated for hanging two-phase
Electric lead, and meet electric clearance requirement.The overall length of middle wire cross-arm is 29.94m, and the wire jumper cross-arm of tower body both sides is respectively
2.28m, 0.56m, the two-conductor line hanging point of middle wire cross-arm are symmetrically arranged at the 14.97m of tower body center and at 15.53m,
Exterior angle side jumper hole is arranged on wire jumper cross arm end, two conducting wire hanging point center 2.0m of distance；
Lower wire cross-arm 5 is located at the lower section of middle wire cross-arm 4.Lower wire cross-arm 5 includes Liang Ge branches, respectively positioned at tower head
The left and right sides of bottom, its bottom shape is rectangle, and jump is set respectively to tower head the right and left horizontal stretching, and in interior exterior angle side
Line cross-arm, the wide 6.432m of cross-arm top opening, a height of 1.0m of wire jumper cross-arm.Lower wire cross-arm 5 is used to hang two-phase transmission pressure, and
Meet electric clearance requirement.The overall length of lower wire cross-arm is 26.44m, the wire jumper cross-arms of tower body both sides be respectively 2.28m,
0.56m, the two-conductor line hanging point of lower wire cross-arm is symmetrically arranged at the 13.22m of tower body center and at 13.78m, exterior angle side
Jumper hole is arranged on wire jumper cross arm end, two conducting wire hanging point center 2.0m of distance；
Interlamellar spacing between ground wire cross-arm and upper wire cross-arm is 9.5m；Layer between upper wire cross-arm and middle wire cross-arm
Spacing is 16.1m；Spacing between middle wire cross-arm and lower wire cross-arm is 15.1m.
The conducting wire hanging point of wire cross-arm 3, middle wire cross-arm 4 and lower wire cross-arm 5 sets two respectively on the utility model
Hanging point is connected with gold utensil, reasonable structural arrangement, and power transmission clearly, has ensured the safe operation of engineering.
The utility model angle tower ground wire hanging point is arranged on the top of ground wire cross-arm 2, and conducting wire hanging point is separately positioned on wire
Cross-arm 3, middle wire cross-arm 4 and the bottom of lower wire cross-arm 5, hanging point use hanging plate pattern, so as to avoid welding job, effectively
Strengthen the stress performance of hanging point, meet the requirements such as the intensity of hanging wire node.
Tower body 1 becomes at slope 6 with the spacing of the junction 7 of lower wire cross-arm 5 and tower body 1 into 3.5m, rational selection change
6 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, and main material rigidity changes according to rule from top to bottom, and welding is reduced as far as possible,
Easy construction, reduces tower weight.
As shown in Figure 2 to Figure 3, the bottom of tower body 1 is connected with tower leg, the tower leg be tower leg 8, short tower leg 9 or long tower leg 10,
To adapt to different topography and geomorphologies.
The utility model angle tower, ground wire cross-arm shares one section of tower body with upper wire cross-arm, reduces whole tower overall height so that
Tower weight mitigates, and reduces cost.Meanwhile, it is horizontal that upper wire cross-arm, middle wire cross-arm and lower wire cross-arm both sides increase wire jumper respectively
Load, enables to wire cross-arm length reduction, under conditions of electric clearance is met, and line corridor width is reduced, and is saved logical
Road, it is to avoid large area felling vegetation, preserves the ecological environment.In summary, the application of this kind of novel iron tower, can not only be reduced
Steel tower cost, while effectively having saved space.
The utility model conducting wire hanging point is separately positioned on wire cross-arm, middle wire cross-arm and lower wire cross-arm bottom, leads
Line hanging point uses double hanging point pattern, and the effective stress performance for strengthening hanging point meets the requirements such as the intensity of hanging wire node.
Claims (10)
1. a kind of 20 °~40 ° corner crossover towers in highlands 500kV ac transmissions double loop, it is characterised in that including tower body
(1) the ground wire cross-arm (2) for hanging ground wire, is provided with the top of tower body (1), ground wire cross-arm (2) bottom is set successively from top to bottom
Wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) are equipped with, the bottom of tower body (1) is provided with tower leg (8), on
Wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) are connected with tower body (1), upper wire cross-arm (3), middle wire
Cross-arm (4) and lower wire cross-arm (5) include the branch for being symmetricly set on tower body (1) both sides, and ground wire cross-arm (2) and upper wire are horizontal
Load (3) is fixed on the same place of tower body (1), and ground wire cross-arm (2) top is symmetrically arranged with ground wire hanging point, upper wire cross-arm (3),
Middle wire cross-arm (4) and the side bottom of lower wire cross-arm (5) two symmetrically set conducting wire hanging point.
2. 20 °~40 ° corner crossover towers in a kind of highlands 500kV ac transmissions double loop according to claim 1, its
It is characterised by, the ground wire hanging point and conducting wire hanging point are hanging plate type hanging point.
3. 20 °~40 ° corner crossover towers in a kind of highlands 500kV ac transmissions double loop according to claim 1, its
It is characterised by, the distal end of the upper wire cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) is provided with wire jumper horizontal stroke
Load, wire jumper cross arm end is provided with the jumper hole for hanging wire jumper.
4. 20 °~40 ° corner crossover towers in a kind of highlands 500kV ac transmissions double loop according to claim 1, its
It is characterised by, the ground wire hanging point is symmetrically arranged on ground wire cross-arm at the 15.53m of plan range axis, upper wire cross-arm
(3), the conducting wire hanging point of middle wire cross-arm (4) and lower wire cross-arm (5) is double hanging point, the first hanging point distance and the second hanging point away from
From being 0.56m.
5. 20 °~40 ° corner crossover towers in a kind of highlands 500kV ac transmissions double loop according to claim 1, its
Be characterised by, the two-conductor line hanging point of the upper wire cross-arm (3) be symmetrically arranged at the 12.22m of tower body center and
At 12.78m, exterior angle side jumper hole is arranged on wire jumper cross arm end, two conducting wire hanging point center 2.0m of distance；
The two-conductor line hanging point of middle wire cross-arm (4) is symmetrically arranged at the 14.97m of tower body center and at 15.53m, exterior angle
Side jumper hole is arranged on wire jumper cross arm end, two conducting wire hanging point center 2.0m of distance；
The two-conductor line hanging point of lower wire cross-arm (5) is symmetrically arranged at the 13.22m of tower body center and at 13.78m, exterior angle
Side jumper hole is arranged on wire jumper cross arm end, two conducting wire hanging point center 2.0m of distance.
6. 20 °~40 ° corner crossover towers in a kind of highlands 500kV ac transmissions double loop according to claim 1, its
It is characterised by, the floor projection overall length of the ground wire cross-arm (2) is 31.06m, ground wire cross-arm (2) and tower body (1) junction root
Highly it is 3.6m, the cross-arm termination of ground wire cross-arm is pointed, and angle is 18 °；
The overall length of upper wire cross-arm (3) is 24.44m, and the wire jumper cross-arm of tower body both sides is respectively 2.28m, 0.56m, and upper wire is horizontal
It is highly 3.6m with tower body junction root to carry on a shoulder pole (3), and the cross-arm termination of upper wire cross-arm is pointed, and angle is 18 °；
The overall length of middle wire cross-arm (4) is 29.94m, and the wire jumper cross-arm of tower body both sides is respectively 2.28m, 0.56m, and middle wire is horizontal
It is highly 4.2m with tower body junction root to carry on a shoulder pole (4), and the cross-arm termination of middle wire cross-arm is pointed, and angle is 18 °；
The overall length of lower wire cross-arm (5) is 26.44m, and the wire jumper cross-arm of tower body both sides is respectively 2.28m, 0.56m, and lower wire is horizontal
It is highly 3.8m with tower body junction root to carry on a shoulder pole (5), and the cross-arm termination of lower wire cross-arm is pointed, and angle is 20 °；
Interlamellar spacing between ground wire cross-arm (2) and upper wire cross-arm (3) is 9.5m；Upper wire cross-arm (3) and middle wire cross-arm (4)
Between interlamellar spacing be 16.1m；Spacing between middle wire cross-arm (4) and lower wire cross-arm (5) is 15.1m.
7. 20 °~40 ° corner crossover towers in a kind of highlands 500kV ac transmissions double loop according to claim 1, its
It is characterised by, the tower body (1) is at lower wire cross-arm (5) change slope formed below (6), and (6) are away from lower wire cross-arm at change slope
(5) it is 3.5m with the junction of tower body (1).
8. 20 °~40 ° corner crossover towers in a kind of highlands 500kV ac transmissions double loop according to claim 1, its
It is characterised by, the tower body (1) is made of Q420 high-strength steel.
9. 20 °~40 ° corner crossover towers in a kind of highlands 500kV ac transmissions double loop according to claim 1, its
It is characterised by, transmission pressure is connected using duplex gold utensil with tower body.
10. 20 °~40 ° corner crossover towers in a kind of highlands 500kV ac transmissions double loop according to claim 1,
Characterized in that, the tower leg (8) is using at least one of short tower leg (9) and long tower leg (10) or multiple combinations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396932.3U CN206418848U (en) | 2016-12-19 | 2016-12-19 | A kind of 20 °~40 ° corner crossover towers in highlands 500kV ac transmissions double loop |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621396932.3U CN206418848U (en) | 2016-12-19 | 2016-12-19 | A kind of 20 °~40 ° corner crossover towers in highlands 500kV ac transmissions double loop |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206418848U true CN206418848U (en) | 2017-08-18 |
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ID=59576149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621396932.3U Active CN206418848U (en) | 2016-12-19 | 2016-12-19 | A kind of 20 °~40 ° corner crossover towers in highlands 500kV ac transmissions double loop |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206418848U (en) |
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2016
- 2016-12-19 CN CN201621396932.3U patent/CN206418848U/en active Active
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