CN218759097U - Steel pipe tower with triangular section - Google Patents
Steel pipe tower with triangular section Download PDFInfo
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- CN218759097U CN218759097U CN202220965743.2U CN202220965743U CN218759097U CN 218759097 U CN218759097 U CN 218759097U CN 202220965743 U CN202220965743 U CN 202220965743U CN 218759097 U CN218759097 U CN 218759097U
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Abstract
The utility model discloses a triangle-shaped section steel-pipe tower can practice thrift the land used, is applicable to the design of the triangle-shaped section steel-pipe tower of special position. The method comprises the following steps: the horizontal section of the tower body is triangular; and one side of each side of the triangular tower body is fixedly connected with a cross arm, the three cross arms are positioned on the same horizontal plane, the symmetry axis of each cross arm is perpendicular to the side of the triangle where the cross arm is positioned, and the cross arms extend in the direction far away from the tower body. Has the advantages that: the stability of the triangle is fully utilized, a novel tower type suitable for the power transmission line at the cut-off position is designed, and the tower type has the advantages of small occupied area, simple structure, small wind pressure, convenience in construction and the like; the three-way cross arm is established by means of a special triangular structural form, so that the three-way cross arm is used at special positions in common engineering types such as circuit breaking and pi connection, steel resources and base material quantity are saved, land resource occupation and corridor limitation are reduced, and good social benefits are achieved.
Description
Technical Field
The utility model relates to a transmission line iron tower technical field, concretely relates to triangle-shaped section steel-pipe tower.
Background
According to incomplete statistics, the investment of the iron tower and the foundation accounts for about 50% of the total investment of the power transmission network. Therefore, the method has important significance for carrying out innovative design research on the iron tower structure. At present, the domestic power transmission iron tower mainly adopts angle steel as a main material, the iron tower structure generally adopts a quadrilateral structure, the calculation theory and the processing technology of the self-standing iron tower are mature, but the increase of the voltage grade and the call height leads the root of the iron tower to be enlarged, and the contradiction between the increase of the occupied area of a line corridor and a tower foundation and the current situations of strict environmental protection requirements and more tense land resources is increasingly prominent.
With the application of narrow-base steel tube towers in recent years, the contradiction is effectively relieved. Compared with an angle steel tower, the narrow-base steel pipe tower has the advantages of simple structure, attractive appearance, more coordination with urban environment and more land resource saving. When the narrow-base steel pipe tower is adopted, the section of the narrow-base steel pipe tower is different from a quadrilateral structure, and the narrow-base steel tower needs to be designed more reasonably when the narrow-base steel tower is arranged at some special positions such as a break and a pi joint.
Disclosure of Invention
An object of the utility model is to provide a can practice thrift the land used, be applicable to the design of the triangle-shaped section steel-pipe tower of special position.
The utility model discloses a realize through following technical scheme:
a triangular section steel pipe tower comprises: the horizontal section of the tower body is triangular; each side of the triangular tower body is fixedly connected with a cross arm, the three cross arms are positioned on the same horizontal plane, the symmetry axis of each cross arm is perpendicular to the side of the triangle where the cross arm is positioned, and the cross arms extend in the direction far away from the tower body.
Preferably, steel pipes are arranged at the top points of the triangles of the horizontal section of the tower body, adjacent steel pipes are connected through angle steel, and the tower body forms a lattice type triangular prism shape.
Preferably, the triangle of the horizontal section of the tower body is an equilateral triangle, wherein two adjacent cross arms have the same length and are positioned on the reserved cut-off side, and the length of the other cross arm is greater than that of the two cross arms with the same length; or, the triangle of the horizontal section of the tower body is an isosceles right-angle triangle, wherein the lengths of two adjacent cross arms are equal and are positioned on the reserved cut-off side, and the length of the other cross arm is equal to that of the small jade.
Preferably, two cross arms with the same length are determined as a first cross arm and a second cross arm, the cross arms with different lengths are determined as a third cross arm, the third cross arm is parallel to the third cross arm, a first linear tower is arranged on one side of the third cross arm and the first cross arm, a second linear tower is arranged on one side of the third cross arm and the second cross arm, and a third linear tower is arranged on a connecting line parallel to the end parts of the first cross arm and the second cross arm; the tower body of the first straight-line tower and the tower body of the second straight-line tower are arranged on a connecting line formed by the middle point of the vertical distance between the end part of the first cross arm far away from the tower body and the end part of the third cross arm far away from the tower body and the middle point of the vertical distance between the end part of the second cross arm far away from the tower body and the end part of the third cross arm far away from the tower body, and the tower body of the third straight-line tower is positioned on the extension line of the symmetry axis of the third cross arm; the end part of the first cross arm far away from the tower body and the end part of the third cross arm far away from the tower body are respectively connected with cross arms on two sides of the first linear tower in a hanging mode, the end part of the second cross arm far away from the tower body and the end part of the third cross arm far away from the tower body are respectively connected with the cross arms on two sides of the second linear tower in a hanging mode, and the end part of the first cross arm far away from the tower body and the end part of the second cross arm far away from the tower body are connected with the cross arms on two sides of the third linear tower in a hanging mode.
The beneficial effects of the utility model reside in that: the stability of the triangle is fully utilized, a novel tower type suitable for the power transmission line at the cut-off position is designed, and the tower type has the advantages of small occupied area, simple structure, small wind pressure, convenience in construction and the like; the three-way cross arm is established by depending on a special triangular structure form, so that the three-way cross arm is used at special positions in common engineering types such as line breaking, pi connection and the like, steel resources and base material quantity are saved, land resource occupation and corridor limitation are reduced, and the three-way cross arm has good social benefits.
Drawings
FIG. 1: the first structure schematic diagram of the triangular section steel pipe tower in the utility model;
FIG. 2: the second structure schematic diagram of the triangular section steel pipe tower in the utility model;
FIG. 3: the structure of the tower body part of the steel pipe tower with the triangular section in the utility model is shown schematically;
FIG. 4: the utility model discloses a schematic diagram of a power transmission line structure of a triangular section steel pipe tower at a cut-off position;
FIG. 5: the utility model discloses a triangular section steel pipe tower is in the structure sketch map of straight line double-circuit transmission line;
in the figure: 1-tower body, 101-steel pipe, 21-first cross arm, 22-second cross arm, 23-third cross arm, 3-first straight line tower, 4-second straight line tower and 5-third straight line tower.
Detailed Description
The present invention will be further explained with reference to the drawings and the following detailed description:
the steel tube tower is successfully applied to actual engineering, and the iron tower with the triangular section becomes possible. The triangular section power transmission iron tower is a novel tower type which takes a triangle as a section and fully utilizes the characteristic of an iron triangle, and has the advantages of small occupied area, simple structure, less wind pressure, convenient construction and the like. Therefore, a steel tube tower with a triangular cross section is proposed after a study on the conventional narrow-base steel tube tower.
Referring to fig. 1 to 3, a triangular section steel pipe tower includes: the tower comprises a tower body 1, wherein the horizontal section of the tower body 1 is triangular; each side of triangle-shaped body of the tower 1 is a fixed connection cross arm in the place of one side, and three cross arms are located same horizontal plane, and the symmetry axis of cross arm is perpendicular to its triangle-shaped side of place, and the cross arm extends to the direction of keeping away from body of the tower 1.
Specifically, steel pipes 101 are arranged at the top points of the triangle of the horizontal section of the tower body 1, the adjacent steel pipes 101 are connected through angle steel, and the tower body 1 is in a lattice type triangular prism shape. The upper part of the tower body 1 is a tower head part, the horizontal section is triangular, one side of each side of the triangle is fixedly connected with a cross arm, the three cross arms are positioned on the same horizontal plane, the part of the cross arm fixed on the tower body 1 has the same width with the side of the triangle, the part of the cross arm fixed on the tower body 1 is gradually narrowed away from the tower body 1, and the horizontal section is in a trapezoid shape; the cross arm and other existing iron tower cross arms can adopt the same mode, and the main connection is stable and firm; the triangle of the horizontal section of the tower body 1 can be an equilateral triangle or an isosceles right-angle triangle, the weight of the equilateral triangle tower is relatively light, and the manufacturing cost is saved, wherein the triangle of the horizontal section of the tower body is an equilateral triangle, two adjacent cross arms have the same length and are positioned on the reserved cut-off side, and the length of the other cross arm is greater than that of the two cross arms with the same length; or the triangle of the horizontal section of the tower body is an isosceles right triangle, wherein two adjacent cross arms are equal in length and are positioned on the reserved cut-off side, and the other cross arm is shorter than the two cross arms with the same length.
After the iron tower is calculated by utilizing SmartTower software, the feasibility and the advantages of the triangular section steel pipe tower are verified through the analysis of related indexes, a construction scheme chart of the triangular section steel pipe tower applied to engineering is drawn for the triangular section steel pipe tower with higher economic benefit and practicability, and the construction scheme chart is shown in figure 4, wherein the steel pipe tower with the section of an equilateral triangle is adopted and applied to the breaking and pi-connection positions of a power transmission line; determining two cross arms with the same length as a first cross arm 21 and a second cross arm 22, determining the cross arms with different lengths as a third cross arm 23, setting a first straight line tower 3 on one side of the third cross arm 23 and the first cross arm 21, setting a second straight line tower 4 on one side of the third cross arm 23 and the second cross arm 22, and setting a third straight line tower 5 on one side of the third cross arm 23 and the second cross arm 22; a middle point of a vertical distance between the end part of the first cross arm 21 far away from the tower body 1 and the end part of the third cross arm 23 far away from the tower body 1 is connected with a middle point of a vertical distance between a short circuit of the second cross arm 22 far away from the tower body 1 and the end part of the third cross arm 23 far away from the tower body 1, the tower bodies 1 of the first straight-line tower 3 and the second straight-line tower 4 are arranged on a connecting line, and the tower body 1 of the third straight-line tower 5 is positioned on an extension line of a symmetry axis of the third cross arm 23; wherein, the end of the first cross arm 21 far from the tower body 1 and the end of the third cross arm 23 far from the tower body 1 are respectively connected with the cross arms at two sides of the first linear tower 3 to form power transmission lines, the end of the second cross arm 22 far from the tower body 1 and the end of the third cross arm 23 far from the tower body 1 are respectively connected with the cross arms at two sides of the second linear tower 4 to form power transmission lines, and the end of the first cross arm 21 far from the tower body 1 and the end of the second cross arm 22 far from the tower body 1 are connected with the cross arms at two sides of the third linear tower 5 to form power transmission lines.
In practical application, two of the tangent towers are already built, after the power transmission line is cut off, the third tangent tower is connected, and the positions of the third tangent tower and the triangular section steel pipe tower can be calculated according to the original tangent towers. The double-loop wiring method can be applied to not only the cut-off and pi-junction, but also an intermediate tower between two tangent towers, as shown in fig. 5, double-loop wiring is performed between the two tangent towers, one of the loops between the two tangent towers is sequentially hung on a cross arm at the upper side (the upper side is in the figure) of the left tangent tower, a first cross arm 21 and a second cross arm 22 of a triangular section iron tower and a cross arm at the upper side of the right tangent tower, and the other loop between the two tangent towers is sequentially hung on a cross arm at the lower side of the left tangent tower, a third cross arm 23 of the triangular section iron tower and a cross arm at the lower side of the right tangent tower.
In summary, the three-way cross arm is established by means of a special triangular structural form, so that the three-way cross arm is used at special positions in common engineering types such as circuit breaking and pi connection, steel resources and base material quantity are saved, land resource occupation and corridor limitation are reduced, and good social benefits are achieved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (4)
1. A triangular section steel pipe tower is characterized by comprising: the horizontal section of the tower body is triangular; each side of the triangular tower body is fixedly connected with a cross arm, the three cross arms are positioned on the same horizontal plane, the symmetry axis of each cross arm is perpendicular to the side of the triangle where the cross arm is positioned, and the cross arms extend in the direction far away from the tower body.
2. The triangular section steel tube tower of claim 1, wherein: the steel pipes are arranged at the triangular top points of the horizontal section of the tower body, the adjacent steel pipes are connected through angle steel, and the tower body is in a lattice triangular prism shape.
3. The triangular section steel tube tower of claim 1, wherein: the triangle of the horizontal section of the tower body is an equilateral triangle, wherein two adjacent cross arms have the same length and are positioned on the reserved cut-off side, and the length of the other cross arm is greater than that of the two cross arms with the same length; or, the triangle of the horizontal section of the tower body is an isosceles right-angle triangle, wherein the lengths of two adjacent cross arms are equal and are positioned on the reserved cut-off side, and the length of the other cross arm is equal to that of the small jade.
4. The triangular section steel tube tower of claim 3, wherein: determining two cross arms with the same length as a first cross arm and a second cross arm, determining the cross arms with different lengths as a third cross arm, arranging a first tangent tower on one side of the third cross arm and the first cross arm, arranging a second tangent tower on one side of the third cross arm and the second cross arm, and arranging a third tangent tower on the connecting line of the end parts of the first cross arm and the second cross arm; a connecting line formed by the midpoint of the vertical distance between the end part of the first cross arm far away from the tower body and the end part of the third cross arm far away from the tower body and the midpoint of the vertical distance between the end part of the second cross arm far away from the tower body and the end part of the third cross arm far away from the tower body is provided with a tower body of the first straight-line tower and a tower body of the second straight-line tower, and the tower body of the third straight-line tower is positioned on the extension line of the symmetry axis of the third cross arm; the end part of the first cross arm far away from the tower body and the end part of the third cross arm far away from the tower body are respectively connected with cross arms on two sides of the first straight line tower in a hanging mode, the end part of the second cross arm far away from the tower body and the end part of the third cross arm far away from the tower body are respectively connected with the cross arms on two sides of the second straight line tower in a hanging mode, and the end part of the first cross arm far away from the tower body and the end part of the second cross arm far away from the tower body are connected with the cross arms on two sides of the third straight line tower in a hanging mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220965743.2U CN218759097U (en) | 2022-04-22 | 2022-04-22 | Steel pipe tower with triangular section |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220965743.2U CN218759097U (en) | 2022-04-22 | 2022-04-22 | Steel pipe tower with triangular section |
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| Publication Number | Publication Date |
|---|---|
| CN218759097U true CN218759097U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220965743.2U Active CN218759097U (en) | 2022-04-22 | 2022-04-22 | Steel pipe tower with triangular section |
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| CN (1) | CN218759097U (en) |
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- 2022-04-22 CN CN202220965743.2U patent/CN218759097U/en active Active
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