CN207036401U - A kind of wire icing of transmission line unbalanced tensile force pilot system - Google Patents
A kind of wire icing of transmission line unbalanced tensile force pilot system Download PDFInfo
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- CN207036401U CN207036401U CN201720836383.5U CN201720836383U CN207036401U CN 207036401 U CN207036401 U CN 207036401U CN 201720836383 U CN201720836383 U CN 201720836383U CN 207036401 U CN207036401 U CN 207036401U
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 239000000725 suspension Substances 0.000 claims abstract description 38
- 238000006073 displacement reaction Methods 0.000 claims abstract description 21
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 7
- 230000005611 electricity Effects 0.000 description 12
- 238000004458 analytical method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
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Abstract
The utility model discloses a kind of wire icing of transmission line unbalanced tensile force pilot system, system includes detent mechanism, the displacement detector for detecting wire horizontal displacement and the tension detecting apparatus for detecting wire stressing conditions for positioning lead, one end of the wire is connected with actuator, the other end connection Horizontal Tension analogue means of the wire, suspension string is connected with the middle part of the wire, the wire has weight in the underhung of suspension string.The utility model aims to provide a kind of wire icing of transmission line unbalanced tensile force pilot system for reducing test site and taking, reducing experiment difficulty.
Description
Technical field
The utility model belongs to transmission line of electricity testing field, more particularly to a kind of wire icing of transmission line unbalanced tensile force
Pilot system.
Background technology
For electric power line pole tower due to being erected in outdoor environment, various meteorological disasters may trigger electric power line pole tower to damage
Bad, particularly winter aerial condutor and shaft tower are easy to icing, serious icing and uneven icing, are to cause high voltage power transmission
The main reason for circuit falls tower even string.In the loading that many areas in China all occurred to make transmission line of electricity because of wire icing
Increase causes flashover, broken string, the accidents such as shaft tower of falling, and huge economic loss is caused to society.For example, in January, 2008 is complete
Heavy snow is fallen over a large area in state various regions, and southern number saves transmission line of electricity and meets with ice disaster rarely seen in the history, and strong wind, sleet, ice and snow make transmission of electricity
The serious icing of wire, a plurality of transmission line of electricity fall string, broken string, the accidents such as tower of falling.
Longitudinal unbalance tension force caused by the factors such as uneven icing be overhead transmission line design when need consider it is important because
Element, for ensureing that the safe operation tool of transmission line of electricity is of great significance.For transmission line of electricity longitudinal direction unbalanced tensile force
Analysis, research and designer study very typically based on theoretical calculation and finite element analysis in terms of unbalanced tensile force experiment
Few, one is exactly that transmission line of electricity span is excessive the reason for critically important, tests difficulty and cost is very high, and a line parameter circuit value without
Method is excessively changed, and test model is single.
Utility model content
The utility model is to overcome above-mentioned deficiency of the prior art, there is provided one kind reduction test site occupancy,
Reduce the wire icing of transmission line unbalanced tensile force pilot system of experiment difficulty.
To achieve these goals, the utility model uses following technical scheme：
A kind of wire icing of transmission line unbalanced tensile force pilot system, including detent mechanism for positioning lead, use
Displacement detector in detection wire horizontal displacement and tension detecting apparatus for detecting wire stressing conditions, it is described to lead
One end of line is connected with actuator, the other end connection Horizontal Tension analogue means of the wire, the middle part connection of the wire
There is suspension string, the wire has weight in the underhung of suspension string.So, one end of wire is connected with actuator, wire
The other end connects Horizontal Tension analogue means, the Horizontal Tension being subject to for analog conducting wire, and wire is set in the lower section of suspension string
Weight, the icing gravity laod being subject to for analog conducting wire, in guarantee suspension string stress characteristic and one when on former transmission line of electricity
In the case of cause, the transmission line of electricity of more than hundred meters spans is shortened in several meters, greatly reduces the occupancy of test site so that
Experiment process control and convenience greatly improve.
Preferably, the top of the wire is provided with the suspension string fixing device being connected with suspension string, described suspension string
Wire not in the case of by external force perpendicular to level ground.
Preferably, described detent mechanism includes the left fixed pulley coordinated with wire left end and coordinated with wire right-hand member
Right fixed pulley, the left fixed pulley and right fixed pulley are located at same level height.
Preferably, described displacement detector includes displacement transducer, described displacement transducer is arranged on pendency
On string.Deflection angle will be produced when suspension string is by horizontal pull, displacement transducer can be used for detection suspension string level side
To displacement.
Preferably, described tension detecting apparatus includes Zola's force snesor and right pulling force sensor, described Zola
Force snesor is arranged on the wire on the left of suspension string, and described right pulling force sensor is arranged on the wire on the right side of suspension string.
So, Zola's force snesor and right pulling force sensor can detect the Tensity size at left and right sides of wire simultaneously, consequently facilitating calculating
Go out unbalanced tensile force.
The beneficial effects of the utility model are：（1）Originally the transmission line of electricity of more than hundred meters longer spans is shortened to several meters
It is interior, in the case where ensureing that suspension string stress characteristic is consistent with when on former transmission line of electricity, accurately and effectively simulate suspension string
Stress characteristic, the requirement for test site is reduced, greatly reduce the difficulty and risk of experiment；（2）Change can be passed through
The mode of suspension string bottom weight quality changes former test circuit span, wire type, ice covering thickness and icing rate, and can be with
Suitable for the experiments of a variety of reduction wire unbalanced tensile force device modes, the present situation of present transmission line construction is more adapted to.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the present utility model.
In figure：Actuator 1, suspension string 2, suspension string fixing device 3, Zola's force snesor 4, wire 5, Horizontal Tension simulation
Device 6, left fixed pulley 7, weight 8, right pulling force sensor 9, right fixed pulley 10.
Embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
In embodiment as shown in Figure 1, a kind of wire icing of transmission line unbalanced tensile force pilot system, including for fixed
The position detent mechanism of wire 5, the displacement detector for detecting wire horizontal displacement and for detecting wire stressing conditions
Tension detecting apparatus.Determine on the right side that detent mechanism includes the left fixed pulley 7 coordinated with wire left end and coordinated with wire right-hand member
Pulley 10, left fixed pulley and right fixed pulley are located at same level height.The right-hand member of wire is connected with actuator 1, and actuator uses
MTS actuator, the left end connection Horizontal Tension analogue means 6 of wire, Horizontal Tension analogue means can provide wire accurate
Pulling force.
Suspension string 2 is connected with the middle part of wire, the top of wire is provided with the suspension string fixing device 3 being connected with suspension string,
Suspension string does not have weight 8 perpendicular to level ground, wire in the case of by external force in wire in the underhung of suspension string.Displacement is examined
Surveying device includes displacement transducer, and displacement transducer is arranged on suspension string, for detecting the horizontal direction displacement of suspension string.
Force checking device includes Zola's force snesor 4 and right pulling force sensor 9, and Zola's force snesor is arranged on the wire on the left of suspension string
On, right pulling force sensor is arranged on the wire on the right side of suspension string.
In actual tests, the conventional wire type of work transmission line is selected first, according to design span and meteorological bar
Part, select suitable suspension string model.Left and right pulling force sensor and displacement transducer are installed on wire and suspension string, wire
Left end connects Horizontal Tension analogue means, it is possible to provide the wire tension of change, right-hand member are installed in actuator, according to wire weight
Corresponding weight is selected with icing situation, Horizontal Tension analogue means is to wire loading tensile afterwards so that suspension string occurs inclined
Turn, the Horizontal Tension signal of wire is collected by left and right pulling force sensor, by the weight and loading tensile that change weight
Size, can simulated implementation difference operating mode lower wire force-bearing situation, greatly reduce the difficulty and risk of experiment.
Claims (5)
1. a kind of wire icing of transmission line unbalanced tensile force pilot system, it is characterized in that, including the positioning for positioning lead
Mechanism, the displacement detector for detecting wire horizontal displacement and the tension force for detecting wire stressing conditions detect dress
Put, one end of the wire is connected with actuator（1）, the other end connection Horizontal Tension analogue means of the wire（6）, it is described
Suspension string is connected with the middle part of wire（2）, the wire is in suspension string（2）Underhung have weight（8）.
2. a kind of wire icing of transmission line unbalanced tensile force pilot system according to claim 1, it is characterized in that, it is described
The top of wire is provided with and suspension string（2）The suspension string fixing device of connection（3）, described suspension string（2）In wire not by outer
Perpendicular to level ground in the case of power.
3. a kind of wire icing of transmission line unbalanced tensile force pilot system according to claim 1, it is characterized in that, it is described
Detent mechanism include with wire left end coordinate left fixed pulley（7）And the right fixed pulley coordinated with wire right-hand member（10）, institute
State left fixed pulley（7）With right fixed pulley（10）Positioned at same level height.
4. a kind of wire icing of transmission line unbalanced tensile force pilot system according to claim 1 or 2 or 3, its feature
It is that described displacement detector includes displacement transducer, described displacement transducer is arranged on suspension string（2）On.
5. a kind of wire icing of transmission line unbalanced tensile force pilot system according to claim 1 or 2 or 3, its feature
It is that described tension detecting apparatus includes Zola's force snesor（4）With right pulling force sensor（9）, described Zola's force snesor
（4）It is arranged on suspension string（2）On the wire in left side, described right pulling force sensor（9）It is arranged on suspension string（2）The wire on right side
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836383.5U CN207036401U (en) | 2017-07-11 | 2017-07-11 | A kind of wire icing of transmission line unbalanced tensile force pilot system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836383.5U CN207036401U (en) | 2017-07-11 | 2017-07-11 | A kind of wire icing of transmission line unbalanced tensile force pilot system |
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| Publication Number | Publication Date |
|---|---|
| CN207036401U true CN207036401U (en) | 2018-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720836383.5U Active CN207036401U (en) | 2017-07-11 | 2017-07-11 | A kind of wire icing of transmission line unbalanced tensile force pilot system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907311A (en) * | 2017-07-11 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of wire icing of transmission line unbalanced tensile force test method and system |
| CN109031007A (en) * | 2018-11-02 | 2018-12-18 | 贵州电网有限责任公司 | One kind being used for lead wire and earth wire in transmission line lightning current ablation test device |
| CN110260833A (en) * | 2019-07-22 | 2019-09-20 | 安徽久壬电气科技有限公司 | A kind of fixed form and its fixation device of icing analog conducting wire |
-
2017
- 2017-07-11 CN CN201720836383.5U patent/CN207036401U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107907311A (en) * | 2017-07-11 | 2018-04-13 | 国网浙江省电力公司湖州供电公司 | A kind of wire icing of transmission line unbalanced tensile force test method and system |
| CN107907311B (en) * | 2017-07-11 | 2019-08-06 | 国网浙江省电力公司湖州供电公司 | A kind of wire icing of transmission line unbalanced tensile force test method and system |
| CN109031007A (en) * | 2018-11-02 | 2018-12-18 | 贵州电网有限责任公司 | One kind being used for lead wire and earth wire in transmission line lightning current ablation test device |
| CN110260833A (en) * | 2019-07-22 | 2019-09-20 | 安徽久壬电气科技有限公司 | A kind of fixed form and its fixation device of icing analog conducting wire |
| CN110260833B (en) * | 2019-07-22 | 2024-05-03 | 安徽久壬电气科技有限公司 | Fixing device of icing simulation wire |
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