CN210508624U - Mixed V-shaped serial ice observation test iron tower - Google Patents
Mixed V-shaped serial ice observation test iron tower Download PDFInfo
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- CN210508624U CN210508624U CN201921302360.1U CN201921302360U CN210508624U CN 210508624 U CN210508624 U CN 210508624U CN 201921302360 U CN201921302360 U CN 201921302360U CN 210508624 U CN210508624 U CN 210508624U
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Abstract
The utility model discloses a mix experimental iron tower of ice is watched to V cluster, include: a tower body; a ground wire bracket; the upper wire cross arm comprises a left upper wire cross arm and a right upper wire cross arm, wherein the left upper wire cross arm is provided with a pair of hanging points for hanging a 500kV voltage class V-shaped insulator string, and the right upper wire cross arm is provided with two pairs of hanging points for hanging a 220kV voltage class V-shaped insulator string; and the lower wire cross arm comprises a left lower wire cross arm and a right lower wire cross arm, wherein the left upper wire cross arm is provided with a pair of hanging points for hanging a 500kV voltage class V-shaped insulator string, and the right lower wire cross arm is provided with two pairs of hanging points for hanging the 500kV voltage class V-shaped insulator string and a 220kV voltage class V-shaped insulator string. Because can erect the transmission line of two kinds of different voltages on same iron tower, consequently can reduce test cost to can reduce because of the experimental error that the line distance leads to.
Description
Technical Field
The utility model relates to a mix experimental iron tower of ice is watched to V cluster belongs to steel pylons technical field.
Background
The ice coating phenomenon often appears in the transmission line that erects in the ice district, and for the transmission line of different voltages, the ice coating is different to the transport influence of circuit. In order to observe the influence of different ice coatings on line transmission in the same area, transmission lines with different voltages are often erected on different iron towers in the same area at present, the ice observation mode has the problem of high cost, and the other two lines have larger distance, so that the problem of larger test error still exists.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the utility model provides a mix experimental iron tower of ice of V cluster to solve the test cost height that present ice district observed different voltage transmission lines exist, and the great problem of error.
The technical scheme of the utility model is that: a mixed V-shaped serial ice test iron tower comprises:
a tower body;
the ground wire bracket is arranged at the top of the tower body;
it is characterized by also comprising:
the upper wire cross arm is arranged on the tower body and is positioned below the ground wire bracket, and comprises a left upper wire cross arm and a right upper wire cross arm, wherein the left upper wire cross arm is provided with a pair of hanging points for hanging a 500kV voltage class V-shaped insulator string, and the right upper wire cross arm is provided with two pairs of hanging points for hanging a 220kV voltage class V-shaped insulator string;
the lower lead cross arm is arranged on the tower body and is positioned below the upper lead cross arm, the lower lead cross arm comprises a left lower lead cross arm and a right lower lead cross arm, a pair of hanging points for hanging a 500kV voltage class V-shaped insulator string is arranged on the left upper lead cross arm, and two pairs of hanging points for hanging the 500kV voltage class V-shaped insulator string and a 220kV voltage class V-shaped insulator string are arranged on the right lower lead cross arm;
the 500kV voltage class V-shaped insulator string and the second class V-shaped insulator string are suitable for hanging transmission conductors of different voltage classes.
Furthermore, a pair of hanging points of the wire cross arm on the left side are respectively positioned at the outer end point of the wire cross arm and the connecting position of the cross arm and the tower body.
Furthermore, a pair of hanging points of the left lower wire cross arm are respectively positioned at the outer end point of the left lower wire cross arm and the position of the cross arm close to the tower body.
Furthermore, a pair of hanging points of the wire cross arm on the right side are respectively positioned at the outer end point of the wire cross arm and the connecting position of the cross arm and the tower body.
Furthermore, two pairs of hanging points of the right lower wire cross arm are respectively positioned at the outer end points of the two pairs of hanging points, wherein the two hanging points are suitable for hanging a 500kV voltage class V-shaped insulator string, and the two hanging points are respectively positioned at two different positions in the cross arm at the joint of the cross arm and the tower body and are suitable for hanging a 220kV voltage class V-shaped insulator string.
The utility model has the advantages that: the utility model discloses a design is applicable to the V type insulator chain's that hangs two kinds of different grade types hanging point on same iron tower, consequently not only can hang the single three-phase that returns of same kind of voltage with the concurrent test, can satisfy arbitrary voltage level double-phase moreover and thoughtlessly press with the tower experimental. Because can erect the transmission line of two kinds of different voltages on same iron tower, consequently can reduce test cost to can reduce because of the experimental error that the line distance leads to.
Drawings
FIG. 1 is a schematic structural diagram of a mixed V-shaped serial ice test iron tower in one embodiment;
FIG. 2 is a schematic diagram of a single-loop three-phase circuit suspended on an iron tower in a mixed V-series ice test;
FIG. 3 is a schematic diagram of two-phase circuits for suspending two different voltage levels in a hybrid V-series ice-observation test iron tower;
description of reference numerals:
1 tower body, 2 ground wire supports, 3 upper conductor cross arms, 4 lower conductor cross arms and 5 hanging points.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
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.
Fig. 1 is a schematic structural diagram of a mixed V-series ice-observation test tower according to an embodiment. The mixed V-shaped serial ice observation test iron tower in the embodiment comprises a tower body 1, a ground wire support 2, an upper wire cross arm 3 and a lower wire cross arm 4.
The tower body 1 plays a supporting role and is mainly used for supporting parts such as a ground wire bracket 2, an upper lead cross arm 3, a lower lead cross arm 4 and the like.
And the ground wire bracket 2 is arranged at the top end of the tower body 1. The ground wire bracket 2 is mainly used for suspending a ground wire. Specifically, two ends of the ground wire support 2 extend towards two sides of the tower body 1.
And the upper wire cross arm 3 is arranged on the tower body 1 and is positioned below the ground wire bracket 2. The upper conductor cross arm 3 is mainly used for suspending a transmission conductor. Go up wire cross arm 3 and include wire cross arm 3 on the left side and wire cross arm 3 on the right side, wherein be provided with on the wire cross arm 3 on the left side and be used for hanging 500kV voltage level V type insulator chain a pair of hanging point 5, and be provided with on the wire cross arm 3 on the right side and be used for hanging two pairs of hanging point 5 of 220kV voltage level V type insulator chain.
Preferably, a pair of hanging points 5 of the wire cross arm 3 on the left side are respectively located at the outer end points thereof and the connection of the cross arm with the tower body 1. A pair of hanging points 5 of the wire cross arm 3 on the right side are respectively positioned at the outer end points thereof and the connecting part of the cross arm and the tower body 1.
And the lower lead cross arm 4 is arranged on the tower body 1 and is positioned below the upper lead cross arm 3, and the lower lead cross arm 4 is mainly used for hanging a transmission lead. Lower wire cross arm 4 includes wire cross arm 4 under the left side and wire cross arm 4 under the right side, wherein is provided with on the wire cross arm 3 on the left side and is used for hanging a pair of hanging point 5 of 500kV voltage level V type insulator chain, and is provided with two pairs of hanging point 5 that are used for hanging 500kV voltage level V type insulator chain and 220kV voltage level V type insulator chain on the wire cross arm 4 under the right side.
Preferably, the pair of hanging points 5 of the left lower wire cross arm 4 are located at its outer end points and at the position where the cross arm is close to the tower body 1, respectively. Specifically, two pairs of hanging points 5 of the lower right wire cross arm 4, wherein two hanging points 5 suitable for hanging a 500kV voltage class V-type insulator string are respectively located at the outer end points thereof, and the two hanging points 5 suitable for hanging a 220kV voltage class V-type insulator string are respectively located at two different positions in the cross arm at the junction of the cross arm and the tower body 1.
The distance between different hanging points 5 should satisfy the requirement of the offset distance of different wires in the same test.
The 500kV voltage class V-shaped insulator string and the second class V-shaped insulator string are suitable for hanging transmission conductors of different voltage classes, such as 500kV, 220kV or 110kV transmission lines.
As shown in fig. 2, the single-turn three-phase simultaneous test, for example, a single-turn three-phase simultaneous test of 500kV, 220kV or 110kV, can be performed by suspending a 500kV voltage class V-type insulator string on the upper left wire cross arm 3, a 500kV voltage class V-type insulator string on the lower left wire cross arm 4 and a 500kV voltage class V-type insulator string on the lower right wire cross arm 4.
As shown in fig. 3, a 500kV voltage class V-type insulator string is hung on the upper left wire cross arm 3, a 500kV voltage class V-type insulator string is hung on the lower left wire cross arm 4, a 220kV voltage class V-type insulator string is hung on the upper right wire cross arm 3, and a second V-type insulator string is hung on the lower right wire cross arm 4, wherein the 500kV voltage class V-type insulator string is used for hanging 500kV two-phase transmission lines, and the 220kV voltage class V-type insulator string is used for hanging 220kV two-phase transmission lines.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. A mixed V-shaped serial ice test iron tower comprises:
a tower body (1);
the ground wire bracket (2) is arranged at the top of the tower body (1);
it is characterized by also comprising:
the upper lead cross arm (3) is arranged on the tower body (1) and is positioned below the ground wire support (2), the upper lead cross arm (3) comprises a left upper lead cross arm (3) and a right upper lead cross arm (3), a pair of hanging points (5) for hanging a 500kV voltage class V-shaped insulator string are arranged on the left upper lead cross arm (3), and a pair of hanging points (5) for hanging a 220kV voltage class V-shaped insulator string are arranged on the right upper lead cross arm (3);
lower wire cross arm (4), set up in on body of the tower (1), and be located go up the below of wire cross arm (3), wire cross arm (4) are down including wire cross arm (4) under the left side and wire cross arm (4) under the right side down, wherein be provided with on wire cross arm (3) on the left side and be used for hanging a pair of hanging point (5) of 500kV voltage level V type insulator chain, and be provided with on wire cross arm (4) under the right side and be used for hanging two pairs of hanging point (5) of 500kV voltage level V type insulator chain and 220kV voltage level V type insulator chain.
2. The hybrid V-series ice testing tower according to claim 1, wherein a pair of hanging points (5) of the wire cross arm (3) on the left side are respectively located at the outer end point thereof and the connection point of the cross arm and the tower body (1).
3. The hybrid V-series ice testing tower according to claim 1, wherein a pair of hanging points (5) of the left lower wire cross arm (4) are respectively located at the outer end points thereof and the cross arm is located close to the tower body (1).
4. The hybrid V-string ice testing tower according to claim 1, wherein a pair of hanging points (5) of the wire cross arm (3) on the right side are respectively located at the outer end point thereof and the connection of the cross arm and the tower body (1).
5. The hybrid V-string observation ice testing iron tower according to claim 1, characterized in that two pairs of hanging points (5) of the right lower wire cross arm (4), wherein two hanging points (5) suitable for hanging a 500kV voltage class V-shaped insulator string are respectively located at the outer end points thereof, and the two hanging points (5) suitable for hanging a 220kV voltage class V-shaped insulator string are respectively located at two different positions in the cross arm at the junction of the cross arm and the tower body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921302360.1U CN210508624U (en) | 2019-08-13 | 2019-08-13 | Mixed V-shaped serial ice observation test iron tower |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921302360.1U CN210508624U (en) | 2019-08-13 | 2019-08-13 | Mixed V-shaped serial ice observation test iron tower |
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| CN210508624U true CN210508624U (en) | 2020-05-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306860A (en) * | 2019-08-13 | 2019-10-08 | 中国电建集团贵州电力设计研究院有限公司 | A kind of mixing V string sees ice test steel tower and method |
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2019
- 2019-08-13 CN CN201921302360.1U patent/CN210508624U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110306860A (en) * | 2019-08-13 | 2019-10-08 | 中国电建集团贵州电力设计研究院有限公司 | A kind of mixing V string sees ice test steel tower and method |
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