CN113945783A - Single-loop strain tower head-jumper wire true type test device in shape like Chinese character' gan - Google Patents
Single-loop strain tower head-jumper wire true type test device in shape like Chinese character' gan Download PDFInfo
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- CN113945783A CN113945783A CN202111080232.9A CN202111080232A CN113945783A CN 113945783 A CN113945783 A CN 113945783A CN 202111080232 A CN202111080232 A CN 202111080232A CN 113945783 A CN113945783 A CN 113945783A
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 7
- 239000012212 insulator Substances 0.000 claims description 4
- 239000012211 strain insulator Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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Abstract
The invention discloses a single-loop dry-shaped strain tower head-jumper wire true test device under different working conditions, which comprises: the single-circuit strain tower with the dry character shape and the load support are characterized in that the load supports are arranged on two sides of the single-circuit strain tower with the dry character shape, a plurality of jumper wire hanging points used for carrying jumper wires are arranged on the load supports and the tower heads of the single-circuit strain tower with the dry character shape, the corner and the height difference of the jumper wires are adjusted through the jumper wire hanging points on the load supports, and the jumper wire hanging points on the tower heads are matched with working conditions such as different voltage grades and different heights, so that jumper wire installation test results under different working conditions are obtained. The jumper installation true type test is carried out under the working conditions of different heights of the jumper, different corners, different voltage grades and the like, the installation and the design of the jumper are guided, and the problem of wind deflection of the straight strain jumper of the single-circuit transmission line is solved.
Description
Technical Field
The invention relates to the technical field of single-loop strain tower shaped like Chinese character 'gan', in particular to a single-loop strain tower head-jumper true type test device.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The conducting device connected with the wire strain clamps on the two sides of the strain tower is an overhead transmission line jumper, and the jumper string is used for ensuring that the electrified wire and the conducting part of the tower keep a sufficient electrical distance. The jumper wire windage yaw is a wind-induced disaster form, the single-circuit transmission line dry-shaped strain tower head is relatively small, the insulator string is relatively long, the winding jump shape is relatively complex, the winding jump and the side phase jumper wire are mostly only theoretically calculated in the design process, the true test is not carried out, the theoretical calculation and the actual operation condition are deviated, and the jumper wire windage yaw fault is easy to occur in the small corner process.
Disclosure of Invention
In order to solve the problem of wind deflection of the single-circuit transmission line dry-shaped strain jumper, the invention provides a single-circuit dry-shaped strain tower head-jumper true-type test device under different working conditions.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a single-loop strain tower head-jumper true test apparatus, including: the single-circuit strain tower and the load support are arranged on two sides of the single-circuit strain tower, a plurality of jumper wire hanging points used for carrying jumper wires are arranged on the load support and the tower heads of the single-circuit strain tower, the corner and the height difference of the jumper wires are adjusted through the jumper wire hanging points on the load support, and the jumper wire hanging points on the load support are adjusted to match working conditions of different voltage levels and different heights so as to obtain jumper wire installation test results under different working conditions.
As an alternative embodiment, the single-loop strain tower in a shape like a Chinese character 'gan' comprises a tower head, a tower body, a lead cross arm and tower legs; the dry-type structure is composed of two wire cross arms in the horizontal direction, a tower body and tower legs in the vertical direction.
As an alternative, the wire cross arm is provided with jumper attachment points for adapting to different voltage classes.
In an alternative embodiment, the tower body extends above the tower legs, the central axis of the tower body is perpendicular to the horizontal plane, the tower head is arranged at the top end of the tower body, the wire cross arms are erected on two sides of the tower head, and the lower plane of the wire cross arms is perpendicular to the central axis of the tower body.
In an alternative embodiment, the load support is a double layer support.
As an alternative embodiment, the jumper hanging point on the load support is a pulley hanging point.
As an alternative embodiment, the jumper hanging point on the tower head is an insulator hanging point.
As an alternative embodiment, a diverting pulley is arranged on the jumper hanging point of the load support.
As an alternative embodiment, the different working conditions are working conditions of the jumper at different height differences, different rotation angles, different voltage levels and different external conditions.
In a second aspect, the present invention provides a working method of a single-loop dry-type strain tower head-jumper true-type test apparatus, including: the height and the corner of the jumper are adjusted through the jumper hanging points with different heights and different positions on the load support, and the jumper is connected to the head of the single-loop strain tower shaped like a Chinese character 'gan' through the load support so as to perform tests of the jumper under working conditions with different height differences and different corners.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a single-loop strain tower head-jumper true test device in a shape like a Chinese character 'gan', wherein the core consists of a single-loop strain tower head in a shape like a Chinese character 'gan' and two load supports, the load supports are positioned at two sides of the tower head and divided into an upper layer and a lower layer, each load support is provided with a plurality of jumper hanging points for changing different corners and different height differences of a circuit, and the upper cross arm of the tower head is provided with a plurality of jumper hanging points for matching working conditions of different voltage grades, different heights and the like; the device can be used for carrying out test analysis on the actual length of the jumper, the stress condition of the jumper under different working conditions, the electrical performance and the mechanical performance of the jumper when an accessory facility is additionally arranged on the jumper, and the like, so that the installation and construction of the jumper are guided, and the problem of wind deflection of the straight-line tension jumper of the single-circuit transmission line is reduced.
Advantages of additional aspects of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a front view of a single-loop strain tower head-jumper true test apparatus in a shape like a Chinese character 'gan' according to embodiment 1 of the present invention;
fig. 2 is a top view of a single-loop strain tower head-jumper true test apparatus in a shape like a Chinese character 'gan' according to embodiment 1 of the present invention;
fig. 3 is a structural diagram of a single-loop strain tower shaped like a Chinese character 'gan', which is provided in embodiment 1 of the present invention;
fig. 4 is a structural view of a load support provided in embodiment 1 of the present invention.
The specific implementation mode is as follows:
the invention is further described with reference to the following figures and examples.
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. 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.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and it should be understood that the terms "comprises" and "comprising", and any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
Example 1
As shown in fig. 1-2, the present embodiment provides a single-loop strain tower head-jumper true test apparatus, including: the single-circuit strain tower with the dry character shape and the load support are characterized in that the load supports are arranged on two sides of the single-circuit strain tower with the dry character shape, a plurality of jumper wire hanging points used for carrying jumper wires are arranged on the load supports and the tower heads of the single-circuit strain tower with the dry character shape, the corner and the height difference of the jumper wires are adjusted through the jumper wire hanging points on the load supports, and the jumper wires on the tower heads are matched with working conditions such as different voltage grades and different heights, so that the relevant test results of the jumper wires under different working conditions are obtained.
In this embodiment, as shown in fig. 3, a single-loop strain tower shaped like a Chinese character 'gan' is provided in the middle, and the single-loop strain tower shaped like a Chinese character 'gan' includes a tower head, a tower body, a wire cross arm and tower legs; the dry-shaped structure of the strain tower consists of two wire cross arms in the horizontal direction, a tower body and tower legs in the vertical direction;
the tower body extends above the tower legs, the central axis of the tower body is vertical to the horizontal plane, the tower head is arranged at the top end of the tower body, the wire cross arms are erected on two sides of the tower head, and the lower plane of the wire cross arms is vertical to the central axis of the tower body;
the wire cross arm is provided with a plurality of jumper hanging points, and is suitable for test research under different working conditions.
Preferably, the length of the wire cross arm, the number of the jumper hanging points and the position of the jumper hanging point are set according to test requirements, and the embodiment is not limited.
In this embodiment, the both sides of single-circuit do style of calligraphy strain insulator tower are the load support, as shown in fig. 4, the load support is double-deck support, and specific every support divide into two-layer about, and every layer of support respectively has a plurality of wire jumper to hang the point for adjust different differences in height of wire jumper and different corners.
In this embodiment, the jumper hanging points on the load support are all provided with a diverting pulley, a ground anchor is arranged according to the field requirement, the jumper is connected to the diverting pulley through the ground anchor, and the height and the angle of the jumper are adjusted through the diverting pulleys with different heights on the load support, as shown in fig. 1-2, the central line jumper can be in a state of being pulled up, horizontal and declined and has different angles.
Preferably, the jumper hanging point on the load support is a pulley hanging point, and the jumper hanging point on the tower head is an insulator hanging point.
Preferably, the height of the load support can be adjusted according to actual requirements.
Preferably, the number and the position of the jumper hanging points of the load support are adjusted according to experimental requirements.
In this embodiment, the height and the corner of the jumper wire are adjusted through the jumper wire hanging points with different heights and different positions on the load support, the jumper wire is connected to the tower head through the load support, relevant experiments of the jumper wire under working conditions of different height differences, different corners and the like can be carried out, the installation and the design of the jumper wire are guided, and the problem of wind deflection of the single-circuit transmission line dry-shaped strain jumper wire is solved.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a true type test device of single loop does style of calligraphy strain insulator tower head-wire jumper which characterized in that includes: the single-circuit strain tower with the dry character shape and the load support are characterized in that the load supports are arranged on two sides of the single-circuit strain tower with the dry character shape, a plurality of jumper wire hanging points used for carrying jumper wires are arranged on the load supports and the tower heads of the single-circuit strain tower with the dry character shape, the corner and the height difference of the jumper wires are adjusted through the jumper wire hanging points on the load supports, the working conditions that the jumper wire hanging points on the tower heads are matched with different voltage levels are adopted, and therefore the jumper wire installation test results under different working conditions are obtained.
2. The single-loop strain tower head-jumper true test device of claim 1, wherein the jumper hanging point on the load support is a pulley hanging point.
3. The single-loop strain tower head-jumper true test device of claim 1, wherein the single-loop strain tower comprises a tower head, a tower body, a lead cross arm and tower legs; the dry-type structure is composed of two wire cross arms in the horizontal direction, a tower body and tower legs in the vertical direction.
4. The single-loop strain tower head-jumper true test device in the shape of a Chinese character 'gan' of claim 3, wherein the wire cross arm is provided with jumper hanging points for adjusting the length of a jumper and matching working conditions of different voltage levels and different heights.
5. The single-loop strain tower head-jumper true test device of claim 3, wherein the tower body extends above the tower legs, the central axis of the tower body is perpendicular to the horizontal plane, the tower head is arranged at the top end of the tower body, the wire cross arms are arranged on two sides of the tower head, and the lower planes of the wire cross arms are perpendicular to the central axis of the tower body.
6. The single-loop strain tower head-jumper true test device of claim 1, wherein the load support is a double-layer support.
7. The single-loop strain tower head-jumper true test device of claim 1, wherein the jumper hanging point on the tower head is an insulator hanging point.
8. The single-loop strain tower head-jumper true test device of claim 1, wherein a diverting pulley is arranged on a jumper hanging point of the load support.
9. The single-loop strain tower head-jumper true test device of claim 1, wherein the different working conditions are working conditions of jumper wires under different height differences, different rotation angles, different voltage levels and different external conditions.
10. A working method of a single-loop strain tower head-jumper true test device in a shape like a Chinese character 'gan' is characterized by comprising the following steps: the height and the corner of the jumper are adjusted through the jumper hanging points with different heights and different positions on the load support, and the jumper is connected to the head of the single-loop strain tower shaped like a Chinese character 'gan' through the load support so as to test the jumper under working conditions of different height differences, different corners, different voltage levels and different additional conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111080232.9A CN113945783A (en) | 2021-09-15 | 2021-09-15 | Single-loop strain tower head-jumper wire true type test device in shape like Chinese character' gan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111080232.9A CN113945783A (en) | 2021-09-15 | 2021-09-15 | Single-loop strain tower head-jumper wire true type test device in shape like Chinese character' gan |
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| Publication Number | Publication Date |
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| CN113945783A true CN113945783A (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111080232.9A Pending CN113945783A (en) | 2021-09-15 | 2021-09-15 | Single-loop strain tower head-jumper wire true type test device in shape like Chinese character' gan |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036654A (en) * | 2017-05-03 | 2017-08-11 | 中国南方电网有限责任公司电网技术研究中心 | Overhead power transmission conducting wire windage yaw characteristic monitoring system, method of testing and device |
| CN107394737A (en) * | 2017-08-22 | 2017-11-24 | 四川电力设计咨询有限责任公司 | Transmission line of alternation current intersects crossing structure |
| CN206859804U (en) * | 2017-05-25 | 2018-01-09 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of 750kV single loops anchor support tower head |
-
2021
- 2021-09-15 CN CN202111080232.9A patent/CN113945783A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107036654A (en) * | 2017-05-03 | 2017-08-11 | 中国南方电网有限责任公司电网技术研究中心 | Overhead power transmission conducting wire windage yaw characteristic monitoring system, method of testing and device |
| CN206859804U (en) * | 2017-05-25 | 2018-01-09 | 中国电力工程顾问集团中南电力设计院有限公司 | A kind of 750kV single loops anchor support tower head |
| CN107394737A (en) * | 2017-08-22 | 2017-11-24 | 四川电力设计咨询有限责任公司 | Transmission line of alternation current intersects crossing structure |
Non-Patent Citations (2)
| Title |
|---|
| 王阳: "输电塔线体系风致振动特性数值模拟及试验研究", 《中国优秀硕士学位论文全文数据库 工程科技II辑》, no. 6, 15 June 2021 (2021-06-15), pages 038 - 392 * |
| 魏冲;吕金祥;唐明贵;潘少成;张金瑞;杜娜;: "500kV双回路三柱组合换位耐张塔的研究与应用", 电力建设, no. 03, 1 March 2013 (2013-03-01), pages 104 - 108 * |
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