CN210947968U - Bird's beak structure of extra-high voltage direct current transmission tower ground wire support - Google Patents
Bird's beak structure of extra-high voltage direct current transmission tower ground wire support Download PDFInfo
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- CN210947968U CN210947968U CN201921810013.XU CN201921810013U CN210947968U CN 210947968 U CN210947968 U CN 210947968U CN 201921810013 U CN201921810013 U CN 201921810013U CN 210947968 U CN210947968 U CN 210947968U
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- beak
- ground wire
- plane
- wire support
- horizontal plane
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Abstract
The utility model discloses a beak structure of special high voltage direct current power transmission tower ground wire support, including the ground wire support, the ground wire support comprises last plane owner material, lower plane owner material, horizontal plane oblique material and terminal surface oblique material, go up the plane owner material with the terminal surface oblique material is crossing in beak up end point position department, the terminal surface oblique material with the one end of horizontal plane oblique material is crossing in support endpoint department, the horizontal plane oblique material the other end with it is crossing to go up the plane owner material, the upper end of lower plane owner material is connected to the beak down end point position department of horizontal plane oblique material all is connected with the beak support arm between the terminal point under homonymy beak up end point and beak, sets up biography power oblique material in the plane that constitutes by two beak up end points and two beaks down end point. The utility model discloses can solve present ground wire support beak department atress performance not good, and then influence its load condition and life's problem.
Description
Technical Field
The utility model relates to a bird's beak structure of special high voltage DC power transmission tower ground wire support belongs to ground wire support bird's beak technical field.
Background
Electric energy is the most convenient and popular energy source in the world, and the transmission of electric energy by overhead transmission lines is a basic mode for transmitting and distributing electric energy, and the application has been in the history of hundreds of years. Under the conditions of increased electric energy demand, increased capacity, scattered power supply and longer transmission distance, the iron tower gradually becomes the preferred form of the transmission line, so the transmission iron tower is a vital device in the power transmission process.
In the transmission line engineering, the cost of the iron tower engineering accounts for a large proportion in the construction cost of the engineering body, generally reaching about 30 percent, so the iron tower planning has great significance for the technical advancement, economic rationality, safety and reliability and the like of the whole engineering design. The ground wire support is used as an important component of the tower head, and is optimally designed, so that the ground wire support is reasonable in structure, clear in force transmission, safe and reliable, and very important for engineering design. In the past, the top (beak position) of the ground wire support of the extra-high voltage direct current tower lacks corresponding theoretical research, so that a calculation model has deviation from actual stress, the stress performance of the beak position of the ground wire support is poor, and the load condition and the service life of the ground wire support are influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a beak structure of extra-high voltage direct current transmission tower ground wire support to solve present ground wire support beak department atress performance not good, and then influence its load condition and life's problem.
The technical scheme of the utility model is that: the utility model provides an extra-high voltage direct current power transmission tower ground wire support's beak structure, includes the ground wire support, the ground wire support comprises upper plane owner material, lower plane owner material, horizontal plane diagonal member and terminal surface diagonal member, upper plane owner material with the terminal surface diagonal member is crossing at beak up end point position, the terminal surface diagonal member with the one end of horizontal plane diagonal member is crossing at the support endpoint, the other end of horizontal plane diagonal member with upper plane owner material is crossing, the upper end of lower plane owner material is connected to the beak down end point position department of horizontal plane diagonal member, all is connected with the beak support arm between homonymy beak up end and beak down end, sets up power transmission diagonal member in the plane that constitutes by two beak up ends and two beak down ends.
Preferably, the force transmission oblique materials are 2 and are respectively connected between the upper end points of the two bird beaks and the lower end points of the two bird beaks in a cross mode.
Preferably, a plane formed by the upper end points of the two bird beaks and the lower end points of the two bird beaks is a trapezoid with a narrow upper part and a wide lower part.
The utility model has the advantages that: the utility model discloses a set up biography power down timber in the plane that constitutes by two beak up end and two beak lower extreme points, improve the biography power condition of beak department through biography power down timber, and then improve the atress performance of whole ground wire support. Especially the utility model discloses well biography power lumber is preferred 2, and cross connection is between the extreme point under two beak upper end points and two beaks respectively, can realize with minimum institutional advancement to and the cost drops into, the atress performance of very big improvement beak department.
Drawings
FIG. 1 is a top view of an embodiment of a ground wire support at the planar beak;
FIG. 2 is a bottom view of the ground wire support at the lower planar beak of the ground wire support in one embodiment;
FIG. 3 is a front view of an embodiment of the ground wire support at the beak of the bird;
FIG. 4 is a schematic view of the direction A in FIG. 3;
FIG. 5 is a view taken along line B in FIG. 3;
FIG. 6 is a schematic view of the conventional structure shown in FIG. 3;
description of reference numerals: the main material of plane on 1, 2 lower main materials of plane, 3 horizontal plane diagonal materials, 4 terminal surface diagonal materials, 5 support arms, 6 bird's beak upper end points, 7 bird's beak lower end points, 8 biography power diagonal materials.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 to 5, the beak structure of the ground wire support of the extra-high voltage dc transmission tower in the present embodiment is an end structure on the ground wire support, and mainly comprises an upper plane main material 1, a lower plane main material 2, a horizontal plane diagonal material 3, and an end surface diagonal material 4.
The upper plane main material 1 is an upper plane structure of the ground wire bracket and is formed by intersecting a plurality of main materials in the same plane. The lower plane main material 2 is a lower plane structure of the ground wire bracket and is formed by intersecting a plurality of main materials in the same plane. The horizontal plane diagonal member 3 is a horizontal plane structure of the ground wire support and is formed by intersecting a plurality of diagonal members in the same plane. The end surface inclined material 4 is an end surface structure of the ground wire bracket and is formed by intersecting a plurality of inclined materials in the same plane.
And a beak supporting arm 5 is connected between the beak upper end point 6 and the beak lower end point 7 on the same side, and part of stress of the upper plane inclined material and the end surface inclined material 4 can be downwards transmitted to the horizontal plane inclined material 3 through the beak supporting arm 5, and then transmitted to the lower plane inclined material. Preferably, the plane formed by the two beak upper end points 6 and the two beak lower end points 7 is a trapezoid with a narrow top and a wide bottom.
A force transmission inclined material 8 is arranged in a plane formed by the two bird beak upper end points 6 and the two bird beak lower end points 7, the force transmission condition at the bird beak position is improved through the force transmission inclined material 8, and the stress performance of the whole ground wire support is further improved. Preferably, the force-transmission oblique bars 8 are 2 and are respectively connected between the two bird beak upper end points 6 and the two bird beak lower end points 7 in a cross mode, and compared with the prior art (see fig. 6), the force-bearing performance of the bird beak can be greatly improved with the minimum structural improvement and cost investment. The force transfer inclined material 8 and various main materials are connected in the conventional iron tower.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (3)
1. A beak structure of an extra-high voltage direct current transmission iron tower ground wire support comprises a ground wire support, wherein the ground wire support is composed of an upper plane main material (1), a lower plane main material (2), a horizontal plane inclined material (3) and an end surface inclined material (4), the upper plane main material (1) and the end face inclined material (4) are intersected at the position of an upper endpoint (6) of the beak, the end surface inclined material (4) is intersected with one end of the horizontal plane inclined material (3) at the end point of the bracket, the other end of the horizontal plane inclined material (3) is intersected with the upper plane main material (1), the upper end of the lower plane main material (2) is connected to the position of the lower tip end point (7) of the horizontal plane inclined material (3), a beak supporting arm (5) is connected between the beak upper end point (6) and the beak lower end point (7) on the same side, the bird beak is characterized in that a force transmission inclined material (8) is arranged in a plane formed by two bird beak upper end points (6) and two bird beak lower end points (7).
2. The beak structure of the ground wire bracket of the extra-high voltage direct current transmission iron tower according to claim 1, wherein the force transmission diagonal members (8) are 2 and are respectively connected between the two beak upper end points (6) and the two beak lower end points (7) in a cross manner.
3. The beak structure of the ground wire bracket of the extra-high voltage direct current transmission tower according to claim 1 or 2, characterized in that the plane formed by the two upper beak end points (6) and the two lower beak end points (7) is a trapezoid with a narrow top and a wide bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921810013.XU CN210947968U (en) | 2019-10-25 | 2019-10-25 | Bird's beak structure of extra-high voltage direct current transmission tower ground wire support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921810013.XU CN210947968U (en) | 2019-10-25 | 2019-10-25 | Bird's beak structure of extra-high voltage direct current transmission tower ground wire support |
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| CN210947968U true CN210947968U (en) | 2020-07-07 |
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| CN201921810013.XU Active CN210947968U (en) | 2019-10-25 | 2019-10-25 | Bird's beak structure of extra-high voltage direct current transmission tower ground wire support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616940A (en) * | 2019-10-25 | 2019-12-27 | 中国电建集团贵州电力设计研究院有限公司 | Bird beak structure and method of ground wire bracket of extra-high voltage direct current transmission iron tower |
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2019
- 2019-10-25 CN CN201921810013.XU patent/CN210947968U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110616940A (en) * | 2019-10-25 | 2019-12-27 | 中国电建集团贵州电力设计研究院有限公司 | Bird beak structure and method of ground wire bracket of extra-high voltage direct current transmission iron tower |
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