CN204311818U - A kind of DC linear tower tower head - Google Patents
A kind of DC linear tower tower head Download PDFInfo
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- CN204311818U CN204311818U CN201420655951.8U CN201420655951U CN204311818U CN 204311818 U CN204311818 U CN 204311818U CN 201420655951 U CN201420655951 U CN 201420655951U CN 204311818 U CN204311818 U CN 204311818U
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- arm
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Abstract
The utility model discloses a kind of DC linear tower tower head, belong to field of overhead power transmission lines.Described DC linear tower tower head comprises: principal post, ground wire cross-arm, wire cross-arm, principal post comprises principal post upper end and principal post lower end, principal post upper end is rectangular pyramid structure, principal post lower end is arranged on tower body, the relative principal post upper end of ground wire cross-arm is symmetrical arranged, the relative principal post upper end of wire cross-arm is symmetrical arranged, and the side that wire cross-arm and principal post upper end arrange ground wire cross-arm is fixedly linked.The utility model is by the rectangular pyramid structure design of principal post upper end, and pass through the triangular pyramid structure design of ground wire cross-arm and wire cross-arm, make ground wire cross-arm and wire cross-arm cross section be triangle, form stable trussed construction, reduce the layout of oblique material, thus alleviate tower weight, reduce the wind area of tower head, reduce the wind load of tower head, thus alleviate the weight of whole steel tower, reduce steel quantity consumption, economize on resources.
Description
Technical field
The utility model relates to field of overhead power transmission lines, particularly a kind of DC linear tower tower head.
Background technology
Direct current transportation utilizes galvanic current to have without induction reactance, without capacitive reactance, and the high-power long distance power transmission adopted without advantages such as stationary problems.Due to it, to have circuit cost low, the advantages such as running wastage is little, is widely used in long apart from transregional power transmission engineering at present.
Traditional direct current transportation steel tower tower head mostly is dry character form structure pattern, and cross-arm adopts the angle steel lattice layout pattern of square-section, and each uniform design supports oblique material, guarantees the stability of cross-arm.
Realizing in process of the present utility model, inventor finds that prior art at least exists following problem:
The cross-arm of traditional direct current transportation steel tower adopts the angle steel lattice layout pattern of square-section, each face is evenly equipped with and supports oblique material, add tower head weight, and tiltedly increasing of material increases tower head wind area, thus increase the wind load of structure, tower head wind load going down and then add the design weight of whole steel tower, steel quantity consumption is large.
Utility model content
In order to the square-section pattern tower head solving prior art is evenly equipped with the oblique material of support in each face, thus increase tower head wind load and whole steel tower design weight, the problem that steel quantity consumption is large, the utility model embodiment provides a kind of DC linear tower tower head.Described technical scheme is as follows:
A kind of DC linear tower tower head, be arranged on tangent tower tower body, described DC linear tower tower head comprises: principal post, ground wire cross-arm and wire cross-arm,
Described principal post comprises principal post upper end and principal post lower end, and described principal post upper end is rectangular pyramid structure, and described tower head is arranged on described tower body by described principal post lower end,
The relatively described principal post upper end of described ground wire cross-arm is symmetrical arranged, described ground wire cross-arm and described principal post upper side are fixedly linked, the relatively described principal post upper side of described ground wire cross-arm is outwards extended into triangular pyramid structure, and the relatively described principal post upper end of described ground wire cross-arm is obliquely installed
The relatively described principal post upper end of described wire cross-arm is symmetrical arranged, the side that described wire cross-arm and described principal post upper end arrange described ground wire cross-arm is fixedly linked, the relatively described principal post upper side of described wire cross-arm is outwards extended into triangular pyramid structure, and described wire cross-arm relative level face extends parallel.
Further, described principal post, described ground wire cross-arm and described wire cross-arm are formed by main material and oblique material.
Particularly, described principal post lower end is uniform section structure.
Particularly, described principal post lower end is variable section structure, and described principal post lower end from top to bottom cross-sectional area become large gradually.
Particularly, described DC linear tower tower head is angle steel type tower head.
Particularly, described DC linear tower tower head is steel pipe type tower head.
Particularly, described DC linear tower tower head is angle steel and steel pipe mixed type tower head.
Particularly, described ground wire cross-arm and described principal post upper end are bolted fixing.
Particularly, described wire cross-arm and described principal post upper end are bolted fixing.
The beneficial effect that the technical scheme that the utility model embodiment provides is brought is:
The utility model is by the rectangular pyramid structure design of principal post upper end, and pass through the triangular pyramid structure design of ground wire cross-arm and wire cross-arm, make ground wire cross-arm and wire cross-arm cross section be triangle, form stable trussed construction, reduce the layout of oblique material, thus alleviate tower weight, reduce the wind area of tower head, reduce the wind load of tower head, thus alleviate the weight of whole steel tower, reduce steel quantity consumption, economize on resources.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the DC linear tower tower head structural representation that the utility model embodiment provides;
Fig. 2 is the DC linear tower tower head front view that the utility model embodiment provides;
Fig. 3 is the top view of Fig. 2.
Wherein:
1 principal post, 11 principal post upper ends, 12 principal post lower ends,
2 wire cross-arms, 21 left wire cross-arms, 22 right wire cross-arms,
3 ground wire cross-arms, 31 left ground wire cross-arms, 32 right ground wire cross-arms,
4 main materials,
5 oblique materials.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As shown in Figure 1, also can see Fig. 2 and Fig. 3, a kind of DC linear tower tower head, is arranged on tangent tower tower body, and described DC linear tower tower head comprises: principal post 1, ground wire cross-arm 3 and wire cross-arm 2,
Described principal post 1 comprises principal post upper end 11 and principal post lower end 12, and described principal post upper end 11 is rectangular pyramid structure, and described tower head is arranged on described tower body by described principal post lower end 12,
The relatively described principal post upper end 11 of described ground wire cross-arm 3 is symmetrical arranged, described ground wire cross-arm 3 is fixedly linked with side, described principal post upper end 11, side, described ground wire cross-arm 3 relatively described principal post upper end 11 is outwards extended into triangular pyramid structure, and the relatively described principal post upper end 11 of described ground wire cross-arm 3 is obliquely installed
The relatively described principal post upper end 11 of described wire cross-arm 2 is symmetrical arranged, the side that described wire cross-arm 2 and described principal post upper end 11 arrange described ground wire cross-arm 3 is fixedly linked, side, described wire cross-arm 2 relatively described principal post upper end 11 is outwards extended into triangular pyramid structure, and described wire cross-arm 2 relative level face extends parallel.
Operating principle of the present utility model:
The utility model is arranged on DC linear tower tower body, principal post lower end 12 is fixedly connected with tower body, ground wire cross-arm 3 comprises left ground wire cross-arm 31 and right ground wire cross-arm 32, left ground wire cross-arm 31 is arranged on principal post upper end 11 with right ground wire cross-arm 32 symmetrically, specifically left ground wire cross-arm 31 is fixed on the left side plan of rectangular pyramid structure, right ground wire cross-arm 32 is fixed on the right side plan of rectangular pyramid structure, left ground wire cross-arm 31 and right ground wire cross-arm 32 are upwards extended to the direction deviating from rectangular pyramid structure by rectangular pyramid structure respectively, relative principal post upper end 11 is obliquely installed, wire cross-arm 2 comprises left wire cross-arm 21 and right wire cross-arm 22, left wire cross-arm 21 and right wire cross-arm 22 are arranged on symmetrically on principal post upper end 11 and arrange on two sides of ground wire cross-arm 3, wire cross-arm 2 is through ground wire cross-arm 3, specifically left wire cross-arm 21 is fixed on the left side plan of rectangular pyramid structure through left ground wire cross-arm 31, right wire cross-arm 22 is fixed on the right side plan of rectangular pyramid structure through right ground wire cross-arm 32, left wire cross-arm 21 and right wire cross-arm 22 are respectively by the bottom surface both direction horizontal-extending to the left and right of rectangular pyramid structure.
The utility model is by the rectangular pyramid structure design of principal post upper end 11, and pass through the triangular pyramid structure design of ground wire cross-arm 3 and wire cross-arm 2, make ground wire cross-arm 3 and wire cross-arm 2 cross section be triangle, form stable space truss structure, reduce the layout of oblique material 5, thus alleviate tower weight, reduce the wind area of tower head, reduce the wind load of tower head, thus alleviate the weight of whole steel tower, reduce steel quantity consumption, cost-saving.
Adopt the utility model, can effectively reduce tower weight 5% ~ 12%, there is significant economic benefit.
As shown in Figure 1, further, described principal post 1, described ground wire cross-arm 3 and described wire cross-arm 2 are formed by main material 4 and oblique material 5.
In the present embodiment, principal post 1, ground wire cross-arm 3 and wire cross-arm 2 are all for being made up of main material 4 and oblique material 5, form space truss structure, main material 4 on ground wire cross-arm 3 is connected with the cusp of rectangular pyramid structure, main material 4 on wire cross-arm 2 is through the oblique material gap on ground wire cross-arm 3, and the main material 4 on wire cross-arm 2 is connected with the cusp of rectangular pyramid structure, all main with the bottom surface of the rectangular pyramid structure material 4 of main material 4 on wire cross-arm 2 and ground wire cross-arm 3 is connected, the right plane of left wire cross-arm 21 and left ground wire cross-arm 31 and the left plane of rectangular pyramid structure are fitted, the left plane of right wire cross-arm 22 and right ground wire cross-arm 32 and the right plane of rectangular pyramid structure are fitted, connect reliable, firmly, make full use of main material 4 and oblique material 5 gap, control tower height, reduce tower head weight, reduce tower head wind load, reduce steel quantity consumption, cost-saving.
As shown in Figure 2, particularly, described principal post lower end 12 is uniform section structure.
Principal post lower end 12 is designed to uniform section structure, is convenient to processing and manufacturing.
Particularly, described principal post lower end 12 is variable section structure, and described principal post lower end 12 from top to bottom cross-sectional area become large gradually.
Principal post lower end 12 is designed to variable section structure, and principal post lower end 12 from top to bottom cross-sectional area become large successively, make tangent tower reasonable stress, safe and reliable.
As shown in Figure 1, particularly, described DC linear tower tower head is angle steel type tower head.
Principal post 1, ground wire cross-arm 3 and wire cross-arm 2 are by angle iron component composition, and structure is simple, and convenient processing and manufacture, rigidity is better.
As shown in Figure 1, particularly, described DC linear tower tower head is steel pipe type tower head.
Principal post 1, ground wire cross-arm 3, wire cross-arm 2, by steel tube component composition, make tower head blast less, and the radius of gyration is comparatively large, and structural-load-carrying capacity is comparatively strong, also can reduce rod member quantity simultaneously, shortens and builds the tower cycle, be easy to structure diversification.
Particularly, described DC linear tower tower head is angle steel and steel pipe mixed type tower head.
Principal post 1, ground wire cross-arm 3 and wire cross-arm 2 also can be made up of angle steel and steel pipe mixed type component, and the rigidity of structure is better, and supporting capacity is comparatively strong, is easy to structure diversification.
As shown in Figure 1, particularly, described ground wire cross-arm 3 is bolted fixing with described principal post upper end 11.
Be bolted and be fixed on principal post 1 by ground wire cross-arm 3, stable connection, is convenient to assembly and disassembly, and certainly, those skilled in the art are known, is also fixed on principal post 1 by ground wire cross-arm 3 by welding, makes stable connection, simple and reliable for structure.
As shown in Figure 1, particularly, described wire cross-arm 2 is bolted fixing with described principal post upper end 11.
Be bolted and be fixed on principal post 1 by wire cross-arm 2, stable connection, is convenient to assembly and disassembly, and certainly, those skilled in the art are known, is also fixed on principal post 1 by wire cross-arm 2 by welding, makes stable connection, simple and reliable for structure.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a DC linear tower tower head, is arranged on tangent tower tower body, it is characterized in that, described DC linear tower tower head comprises: principal post, ground wire cross-arm and wire cross-arm,
Described principal post comprises principal post upper end and principal post lower end, and described principal post upper end is rectangular pyramid structure, and described tower head is arranged on described tower body by described principal post lower end,
The relatively described principal post upper end of described ground wire cross-arm is symmetrical arranged, described ground wire cross-arm and described principal post upper side are fixedly linked, the relatively described principal post upper side of described ground wire cross-arm is outwards extended into triangular pyramid structure, and the relatively described principal post upper end of described ground wire cross-arm is obliquely installed
The relatively described principal post upper end of described wire cross-arm is symmetrical arranged, the side that described wire cross-arm and described principal post upper end arrange described ground wire cross-arm is fixedly linked, the relatively described principal post upper side of described wire cross-arm is outwards extended into triangular pyramid structure, and described wire cross-arm relative level face extends parallel.
2. DC linear tower tower head according to claim 1, is characterized in that, described principal post, described ground wire cross-arm and described wire cross-arm are formed by main material and oblique material.
3. DC linear tower tower head according to claim 1, is characterized in that, described principal post lower end is uniform section structure.
4. DC linear tower tower head according to claim 1, is characterized in that, described principal post lower end is variable section structure, and described principal post lower end from top to bottom cross-sectional area become large gradually.
5. DC linear tower tower head according to claim 1, is characterized in that, described DC linear tower tower head is angle steel type tower head.
6. DC linear tower tower head according to claim 1, is characterized in that, described DC linear tower tower head is steel pipe type tower head.
7. DC linear tower tower head according to claim 1, is characterized in that, described DC linear tower tower head is angle steel and steel pipe mixed type tower head.
8. the DC linear tower tower head according to any one of claim 1-7 claim, is characterized in that, described ground wire cross-arm and described principal post upper end are bolted fixing.
9. the DC linear tower tower head according to any one of claim 1-7 claim, is characterized in that, described wire cross-arm and described principal post upper end are bolted fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655951.8U CN204311818U (en) | 2014-11-05 | 2014-11-05 | A kind of DC linear tower tower head |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420655951.8U CN204311818U (en) | 2014-11-05 | 2014-11-05 | A kind of DC linear tower tower head |
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| CN204311818U true CN204311818U (en) | 2015-05-06 |
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| CN201420655951.8U Active CN204311818U (en) | 2014-11-05 | 2014-11-05 | A kind of DC linear tower tower head |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155907A (en) * | 2015-08-31 | 2015-12-16 | 国核电力规划设计研究院 | Strain tower |
| CN106088779A (en) * | 2016-07-01 | 2016-11-09 | 国家电网公司 | A kind of triangular form main material section transmission line of electricity straight line pole |
| CN109441194A (en) * | 2018-11-23 | 2019-03-08 | 绍兴大明电力设计院有限公司 | Star transmission tower |
-
2014
- 2014-11-05 CN CN201420655951.8U patent/CN204311818U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105155907A (en) * | 2015-08-31 | 2015-12-16 | 国核电力规划设计研究院 | Strain tower |
| CN106088779A (en) * | 2016-07-01 | 2016-11-09 | 国家电网公司 | A kind of triangular form main material section transmission line of electricity straight line pole |
| CN106088779B (en) * | 2016-07-01 | 2018-07-20 | 国家电网公司 | A kind of triangular form main material section transmission line of electricity straight line pole |
| CN109441194A (en) * | 2018-11-23 | 2019-03-08 | 绍兴大明电力设计院有限公司 | Star transmission tower |
| CN109441194B (en) * | 2018-11-23 | 2023-11-14 | 绍兴大明电力设计院有限公司 | Star-shaped transmission tower |
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