CN204899383U - 0 two two return circuits of curve type angle towers of-20 alternating current transmission line - Google Patents
0 two two return circuits of curve type angle towers of-20 alternating current transmission line Download PDFInfo
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- CN204899383U CN204899383U CN201520663363.3U CN201520663363U CN204899383U CN 204899383 U CN204899383 U CN 204899383U CN 201520663363 U CN201520663363 U CN 201520663363U CN 204899383 U CN204899383 U CN 204899383U
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Abstract
The utility model discloses a 0 two two return circuits of curve type angle towers of-20 alternating current transmission line, set up including body of the tower, symmetry and set 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, upper conductor cross arm, well wire cross arm reach down, and the wire cross arm all is connected with the body of the tower, the upper conductor cross arm, well wire cross arm and down the wire cross arm all include two branches and two branches respectively the symmetry set up the left and right sides in body of the tower tower head lower part, shorten well wire cross arm, increase the wire jumper cross arm, shorten 2.0m than conventional " drum type " tower and control, can make the line corridor width reduce, the interlamellar spacing shortens, the iron tower overall height reduces, make its weight reduce, not only reduce the iron tower cost, the effectual space of having practiced thrift of while, can satisfy the line erection requirement that seriously restricts the area in the corridor.
Description
Technical field
The utility model relates to high voltage iron tower, particularly a kind of hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents angle tower.
Background technology
In prior art, corner steel tower design in 330kV electric pressure double loop is comparatively general, and apply more, designing technique is comparatively ripe, but existing 330kV electric pressure Double Loop Steel Tower weight is comparatively large, and cost is high, especially seriously limits area in corridor, apply traditional Double Loop Steel Tower, cannot implement.
Utility model content
The purpose of this utility model is to overcome above-mentioned problems of the prior art and deficiency, there is provided a kind of hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents angle tower, this tower lightweight, cost is low, required width of corridor is less, can meet the requirement to 330kV transmission line of alternation current.
To achieve these goals, the technical scheme that the utility model is taked is:
Comprise tower body, 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 upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm are all connected with tower body, and wire cross-arm includes the Liang Ge branch being symmetricly set on both sides, tower body tower head bottom, and middle wire cross-arm both sides increase wire jumper cross-arm; 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 bottom of tower body is connected with tower leg.
The top opening of ground wire cross-arm is wide is 0.6m, and the top opening of upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm is wide is 1.2m, and wire jumper cross-arm is arranged on the side, interior exterior angle of middle wire cross-arm, the wide 0.55m of wire jumper cross-arm top opening.
Described ground wire cross-arm top is symmetrically arranged with ground wire hanging point, and upper conductor cross-arm and lower wire cross-arm two side bottom are all symmetrical arranged conducting wire hanging point, and middle wire cross-arm arranges conducting wire hanging point at cross arm end;
Wire jumper cross arm end is provided with the jumper hole for increasing wire jumper.
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 8.3m place, plan range axis on ground wire cross-arm;
The conducting wire hanging point of upper conductor cross-arm and lower wire cross-arm is symmetricly set on distance 6.8m place, tower body center and 7.1m place respectively;
The conducting wire hanging point of middle wire cross-arm is symmetricly set on distance 4.8m place, tower body center;
The conducting wire hanging point 1.5m of wire cross-arm in jumper hole distance.
Described tower body is formed and becomes slope place below lower wire cross-arm, and the junction becoming slope place distance lower wire cross-arm and tower body is 4.5m.
The overall length of described ground wire cross-arm is 16.6m, and ground wire cross-arm and tower body junction root height are 2.3m, and the cross-arm termination of ground wire cross-arm is pointed, and angle is 17 °;
The overall length of upper conductor cross-arm is 13.6m, and upper conductor cross-arm and tower body junction root height are 2.0m, and the cross-arm termination of upper conductor cross-arm is pointed, and angle is 19 °;
Middle wire cross-arm overall length is 9.6m, and the wire jumper cross-arm of tower body both sides is 1.5m, 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 32 °;
Lower wire cross-arm overall length is 14.2m, and lower wire cross-arm and tower body junction root height are 2.2m, and the cross-arm termination of lower wire cross-arm is pointed, and angle is 21 °.
Interlamellar spacing between described ground wire cross-arm and upper conductor cross-arm is 6.0m; Interlamellar spacing between upper conductor cross-arm and middle wire cross-arm is 9.5m; Spacing between middle wire cross-arm and lower wire cross-arm is 9.0m.
Described tower body is the tower body adopting Q420 high-strength steel to make.
Transmission pressure all adopts simply connected two string gold utensil to be connected with tower body.
Compared with prior art; the utility model has following beneficial effect: in the structural configuration of steel tower; by middle wire cross-arm is shortened; both sides increase wire jumper cross-arm respectively; middle wire cross-arm can be made to shorten than conventional " drum type " tower; line corridor width reduces; have compressed width of corridor; reduce the removal amount in work transmission line, avoid the large area felling of trees simultaneously, protect ecological environment; under the condition meeting gap; interlamellar spacing shortens about 2.0m, can reduce steel tower overall height, makes its weight reduce about 5.0%.In sum, the application of this kind of Novel iron tower, can not only reduce steel tower cost, has effectively saved space simultaneously, can meet the construction of line requirement that corridor seriously limits area.
Further, the utility model conducting wire hanging point is separately positioned on bottom upper conductor cross-arm, middle wire cross-arm and lower wire cross-arm, and conducting wire hanging point hanging point all adopts link plate pattern, thus avoids welding job, the stress performance of effective reinforcement hanging point, meets the requirements such as the intensity of hanging wire node.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is tower leg structural representation one of the present utility model;
Fig. 3 is tower leg structural representation two of the present utility model;
Wherein, 1, tower body; 2, ground wire cross-arm; 3, upper conductor cross-arm; 4, middle wire cross-arm; 5, lower wire cross-arm; 6, slope place is become; 7, junction; 8, tower leg; 9, short tower leg; 10, long tower leg.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further details:
See Fig. 1, the utility model comprises tower body 1, be symmetricly set on tower body 1 top for hang ground wire ground wire cross-arm 2 and be 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.
Middle wire cross-arm 4 length is lower than wire cross-arm 2.0m in conventional drum type tower; line corridor width is made to reduce about 3.0m; have compressed width of corridor; reduce the removal amount in work transmission line; avoid the large area felling of trees simultaneously; protect ecological environment, and increase wire jumper cross-arm respectively in middle wire cross-arm 4 both sides.
Ground wire cross-arm 2 symmetry be arranged at tower body 1 top, its bottom shape is trapezoidal, top opening is wide is 0.6m, and keeps isometric to tower head the right and left horizontal stretching.Ground wire hanging point is symmetricly set on 8.3m place, plan range axis on ground wire cross-arm 2, and the tower body root height of ground wire cross-arm 2 is 2.3m, 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 1.2m, 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 13.6m, hanging point distance tower body center 6.8m.
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, keeps symmetrical to tower head the right and left horizontal stretching, its bottom shape is trapezoidal, and wire jumper cross-arm is set respectively in side, interior exterior angle, the wide 1.2m of cross-arm top opening, the wide 0.55m of wire jumper cross-arm 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 9.6m, and the wire jumper cross-arm of tower body both sides is 1.5m, conducting wire hanging point distance tower body center 4.8m, jumper hole distance of wire hanging point 1.5m.
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 1.2m, 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 14.2m, hanging point distance tower body center 7.1m.
Interlamellar spacing between ground wire cross-arm and upper conductor cross-arm is 6.0m; Interlamellar spacing between upper conductor cross-arm and middle wire cross-arm is 9.5m; Spacing between middle wire cross-arm and lower wire cross-arm is 9.0m.
The utility model transmission pressure all adopts simply connected two string gold utensil to be connected with tower body 1, two string spacing is 0.4m, upper conductor cross-arm 3, middle wire cross-arm 4 and the conducting wire hanging point of lower wire cross-arm 5 arrange two hanging points respectively and are connected with gold utensil, reasonable structural arrangement, power transmission is clear and definite, has ensured the safe operation of engineering.
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 4.5m 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.
The main material of tower body 1 mainly adopts Q420 high-strength steel, and main material rigidity according to rule change, reduces welding, easy construction from top to bottom as far as possible, reduces tower weight.
As shown in Figure 2 to Figure 3, the bottom of tower body 1 is connected with tower leg, and this tower leg is tower leg 8, short tower leg 9 or long tower leg 10, to adapt to different topography and geomorphologies.About the lightning protection of shaft tower, 0 ° of protection should not be greater than by code requirement, be optimized for negative shielding angle further.
The utility model angle tower, in the structural configuration of steel tower, middle wire cross-arm is shortened, increase wire jumper cross-arm, about 2.0m is shortened than conventional " drum type " tower, interlamellar spacing can be made to shorten, line corridor width reduces, steel tower overall height reduces, its weight is reduced, not only reduce steel tower cost, effectively saved space simultaneously, the construction of line requirement that corridor seriously limits area can be met, the steel tower that " hyperbola " type of employing is arranged, middle wire cross-arm shortens, increase wire jumper cross-arm, line corridor width compression can be made, interlamellar spacing reduces, steel tower overall height reduces, thus reduction cost.
Claims (10)
1. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents angle tower, is characterized in that: comprise 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 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 upper conductor cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) are all connected with tower body (1), and wire cross-arm includes the Liang Ge branch being symmetricly set on both sides, tower body (1) tower head bottom, middle wire cross-arm (4) both sides increase wire jumper cross-arm; 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 bottom of tower body (1) is connected with tower leg (8).
2. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents according to claim 1 angle tower, it is characterized in that: the top opening of ground wire cross-arm (2) is wide is 0.6m, the top opening of upper conductor cross-arm (3), middle wire cross-arm (4) and lower wire cross-arm (5) is wide is 1.2m, wire jumper cross-arm is arranged on the side, interior exterior angle of middle wire cross-arm (4), the wide 0.55m of wire jumper cross-arm top opening.
3. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents according to claim 1 angle tower, it is characterized in that: described ground wire cross-arm (2) top is symmetrically arranged with ground wire hanging point, upper conductor cross-arm (3) and lower wire cross-arm (5) two side bottom are all symmetrical arranged conducting wire hanging point, and middle wire cross-arm (4) arranges conducting wire hanging point at cross arm end;
Wire jumper cross arm end is provided with the jumper hole for increasing wire jumper.
4. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents according to claim 3 angle tower, is characterized in that: described ground wire hanging point and conducting wire hanging point are link plate type hanging point.
5. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents according to claim 3 angle tower, is characterized in that: described ground wire hanging point is symmetricly set on the upper 8.3m place, plan range axis of ground wire cross-arm (2);
The conducting wire hanging point of upper conductor cross-arm (3) and lower wire cross-arm (5) is symmetricly set on distance 6.8m place, tower body (1) center and 7.1m place respectively;
The conducting wire hanging point of middle wire cross-arm (4) is symmetricly set on distance 4.8m place, tower body center;
The conducting wire hanging point 1.5m of wire cross-arm (4) in jumper hole distance.
6. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents according to claim 1 angle tower, it is characterized in that: described tower body (1) is formed in lower wire cross-arm (5) below and becomes slope place (6), and becoming slope place (6) apart from lower wire cross-arm (5) and the junction (7) of tower body (1) is 4.5m.
7. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents according to claim 1 angle tower, it is characterized in that: the overall length of described ground wire cross-arm (2) is 16.6m, ground wire cross-arm (2) and tower body (1) junction root height are 2.3m, the cross-arm termination of ground wire cross-arm (2) is pointed, and angle is 17 °;
The overall length of upper conductor cross-arm (3) is 13.6m, and upper conductor cross-arm (3) and tower body (1) junction root height are 2.0m, and the cross-arm termination of upper conductor cross-arm (3) is pointed, and angle is 19 °;
Middle wire cross-arm (4) overall length is 9.6m, the wire jumper cross-arm of tower body (1) both sides is 1.5m, middle wire cross-arm (4) and tower body (1) junction root height are 2.2m, the cross-arm termination of middle wire cross-arm (4) is pointed, and angle is 32 °;
Lower wire cross-arm (5) overall length is 14.2m, and lower wire cross-arm (5) and tower body (1) junction root height are 2.2m, and the cross-arm termination of lower wire cross-arm (5) is pointed, and angle is 21 °.
8. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents according to claim 1 angle tower, is characterized in that: the interlamellar spacing between described ground wire cross-arm (2) and upper conductor cross-arm (3) is 6.0m; Interlamellar spacing between upper conductor cross-arm (3) and middle wire cross-arm (4) is 9.5m; Spacing between middle wire cross-arm (4) and lower wire cross-arm (5) is 9.0m.
9. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents according to claim 1 angle tower, is characterized in that: described tower body (1) is the tower body adopting Q420 high-strength steel to make.
10. hyperbolic-type double loop, 0 ° ~ 20 ° transmission line of alternation currents according to claim 1 angle tower, is characterized in that: transmission pressure all adopts simply connected two string gold utensil to be connected with tower body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663363.3U CN204899383U (en) | 2015-08-28 | 2015-08-28 | 0 two two return circuits of curve type angle towers of-20 alternating current transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520663363.3U CN204899383U (en) | 2015-08-28 | 2015-08-28 | 0 two two return circuits of curve type angle towers of-20 alternating current transmission line |
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| Publication Number | Publication Date |
|---|---|
| CN204899383U true CN204899383U (en) | 2015-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520663363.3U Active CN204899383U (en) | 2015-08-28 | 2015-08-28 | 0 two two return circuits of curve type angle towers of-20 alternating current transmission line |
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| CN (1) | CN204899383U (en) |
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