CN212210294U - Flexible overhead transmission line icing simulation device - Google Patents
Flexible overhead transmission line icing simulation device Download PDFInfo
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- CN212210294U CN212210294U CN202021273556.5U CN202021273556U CN212210294U CN 212210294 U CN212210294 U CN 212210294U CN 202021273556 U CN202021273556 U CN 202021273556U CN 212210294 U CN212210294 U CN 212210294U
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- pulley
- transmission line
- hand
- tower material
- fitting
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- 238000004088 simulation Methods 0.000 title claims abstract description 26
- 230000005540 biological transmission Effects 0.000 title claims abstract description 25
- 239000012212 insulator Substances 0.000 claims abstract description 27
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 21
- 239000000725 suspension Substances 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims description 22
- 238000000576 coating method Methods 0.000 claims description 22
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 229910052742 iron Inorganic materials 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a flexible overhead transmission line icing simulation device, which comprises a line model and a lifting component, wherein the line model comprises a first connecting hardware fitting, a first insulating sub-hardware fitting, a composite insulator, a second insulator hardware fitting, a second yoke plate and a second connecting hardware fitting which are connected in sequence, two suspension wire clamps are symmetrically connected on the second yoke plate, and a simulation lead is clamped in the suspension wire clamps; the lifting component comprises a hand-operated pulley arranged on one side of the tower material, a lower steering tackle arranged on the tower material above the hand-operated pulley, a hanging tackle arranged at the center of the tower material, a ground steering tackle arranged right below the hanging tackle and a steel wire rope wound on the hand-operated pulley, wherein one end of the steel wire rope penetrates through the lower steering tackle and the hanging tackle to be fixedly connected with the first connecting fitting, one end of the steel wire rope penetrates through the ground steering tackle to be fixedly connected with the second connecting fitting, and the arrangement direction of the simulation wire and the power transmission line is the. The utility model discloses can reflect the true icing condition of circuit, the use of being convenient for is surveyd.
Description
Technical Field
The utility model belongs to the technical field of overhead transmission line icing monitoring, concretely relates to flexible overhead transmission line icing analogue means.
Background
The ice coating observation of the overhead transmission line is a technical problem, the online monitoring device is greatly influenced by weather and the power storage capacity of the solar cell, and the tension sensor is greatly influenced by an algorithm and cannot really reflect the ice coating thickness; the geographical position of a weather station near a line is generally not at the position where the ice coating of the line is most serious, and is positioned on the ground, so that the ice coating condition of an air ground wire and an insulator cannot be reflected exactly.
Therefore, manual icing observation is still an important mode for monitoring icing of overhead transmission lines in heavy ice areas. In traditional observation, a simulation wire is arranged near an artificial ice observation whistle, and the ice coating thickness of a ground wire is judged by measuring the thickness or the weight, but because the position distance of the simulation wire is lower, the ice coating condition of an overhead wire cannot be reflected, and in foggy days, the ice coating condition of an insulator cannot be judged by naked eyes or even a telescope, so that the possibility of ice coating flashover of a line is caused by misjudgment of the ice coating condition of the line.
How to develop a simulation device which can reflect the real ice coating condition of a line and is convenient to observe is a problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's weak point, provide a cover ice and survey more accurate flexible overhead transmission line cover ice analogue means.
The utility model provides an ice coating simulation device of a flexible overhead transmission line, which is hung on a tower material of a power transmission tower and comprises a line model hung on the tower material and a lifting part driving the line model to move up and down on the tower material,
the circuit model comprises a first connecting hardware fitting, a first insulator hardware fitting, a composite insulator, a second insulator hardware fitting, a second yoke plate and a second connecting hardware fitting which are sequentially connected from top to bottom, two suspension wire clamps are symmetrically connected to two sides of the yoke plate, a simulation lead is clamped in each suspension wire clamp,
the lifting component comprises a hand-operated pulley arranged on the ground of one side of the tower, a lower steering tackle arranged on the tower above the hand-operated pulley, a hanging tackle arranged at the center of the tower, a ground steering tackle arranged right below the hanging tackle and a steel wire rope wound on the hand-operated pulley, wherein one end of the steel wire rope sequentially penetrates through the lower steering tackle, the hanging tackle and the first connecting fitting top fixedly connected, one end of the steel wire rope penetrates through the ground steering tackle and the second connecting fitting bottom fixedly connected, and the arrangement direction of the simulation wire and the power transmission line is the same.
And a limiter for preventing the steel wire rope from being sleeved is arranged below the suspension tackle.
The hand-operated pulley is provided with a locker for preventing the steel wire rope from running.
In order to reduce the influence of ice coating on the lifting component, rain shields are respectively arranged above the hand-operated pulley, the lower steering pulley and the ground steering pulley.
A rain cover used for reducing ice coating of the pulley is arranged on the suspension tackle.
In order to reduce swing and protect the tower material, the hanging pulley is fixed on the tower material through a clamp.
Compared with the prior art, the utility model has the advantages of it is following:
1. the line model is hung in the center of the iron tower, so that the safety of the running line is not affected, and the actual icing condition of the line can be reflected truly; the circuit model is lifted through the lifting component, the operation is simple, the purpose of manual observation can be achieved, a reliable basis is provided for the adoption of step-down operation or load transfer when ice coating is serious, and the tripping event of the circuit can be prevented.
2. By adopting the double-simulation lead, the stress is stable in the lifting process, and the ice coating loss caused by vibration and the like in the operation process is reduced.
3. The simulation lead has the same direction with the circuit, so that the icing data is more accurate.
4. The composite insulator is adopted, so that the weight is light, and the lifting component can be operated by a single person to complete installation before ice coating; during ice coating, if the ice coating is difficult to start, the operation can be finished by two persons.
The utility model is simple in operation, can reflect the true icing condition of circuit, the artifical ice whistle of seeing of being convenient for again uses the observation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
The labels shown in the figures and the corresponding component names are:
1. tower material;
2. a line model; 21. a first connecting hardware fitting; 22. a first insulator sub-fitting; 23. a composite insulator; 24. a second insulator hardware; 25. a second connection plate; 26. a second link fitting; 27. a suspension clamp; 28. simulating a wire;
3. a lifting member; 31. a pulley is hand-operated; 32. a lower steering block; 33. hanging a pulley; 34. a ground steering tackle; 35. a wire rope; 36. a pulley support frame; 37. a pulley support frame; 331. a clamp;
4. a stopper;
5. a locker;
6. a rain shield;
7. rain-proof cover.
Detailed Description
From fig. 1 and fig. 2, the utility model discloses this kind of flexible overhead transmission line icing analogue means, including circuit model 2 and lifting unit 3, circuit model 2 hangs the dress on tower material 1, and lifting unit 3 drive circuit model 2 reciprocates on tower material 1.
As can be seen from fig. 1 and 2, the line model 2 of the present invention includes a first connecting hardware 21, a first insulator hardware 22, a composite insulator 23, a second insulator hardware 24, two yoke plates 25, second link fitting 26, two suspension clamp 27 and two simulation wires 28, first link fitting 21 includes U type ring and the UB link plate of connecting from top to bottom, first insulator gold utensil 22 adopts the bulb link and connects in UB link plate bottom, composite insulator 23 connects in bulb link plate bottom, second insulator gold utensil 24 adopts the socket link plate and connects in composite insulator 23 bottom, two yoke plates 25 connect in socket link plate bottom, second link fitting 26 adopts the U type ring and connects in two yoke plates 25 bottom center department, two suspension clamp 27 symmetric connection are in two yoke plates 25 bottom both sides, simulation wire 28 clamps one to one in suspension clamp 27, the axis of simulation wire 28 arranges direction parallel arrangement with the transmission line.
As can be seen from fig. 1, the lifting component 3 in the present invention includes a hand pulley 31, a lower steering pulley 32, a hanging pulley 33, a ground steering pulley 34, a steel wire rope 35, a pulley support frame 36 and a pulley support frame 37, the pulley support frame 37 is buried in the ground on one side of the tower 1, the pulley support frame 36 is buried in the ground right below the center of the tower 1, the hand pulley 31 is fixed on the pulley support frame 37, the lower steering pulley 32 is suspended on the tower 1 between the pulley support frame 37 and the pulley support frame 36, the hanging pulley 33 is fixed at the bottom of the center of the tower 1 through a clamp 331, the ground steering pulley 34 is fixed on the pulley support frame 36, the ground steering pulley 34 and the hanging pulley 33 are located on the same vertical shaft, the steel wire rope 35 is wound on the hand pulley 31, and both ends of the rope extend from the hand pulley 31, one end of the steel wire rope 35 sequentially passes through the tops of the lower steering pulley 32 and the hanging pulley 33 and, the other end of the steel wire rope 35 passes through the ground steering tackle 34 and is fixedly connected with the bottom of the second connecting hardware fitting 26 through a clamping head.
From fig. 1 and fig. 2, the utility model discloses hang coaster 33 below 150mm position department and be equipped with stopper 4 that is used for preventing wire rope embolia, be equipped with locker 5 that is used for preventing wire rope from running on hand pulley 31, at hand pulley 31, it has arranged rain cover 6 respectively to turn to coaster 32 and ground to turn to coaster 34 top down, arrange rain cover 7 that is used for reducing pulley icing on hanging coaster 33, this rain cover 7 includes the phi 10 round steel of four supports usefulness, and the welding encloses the fender at the thick corrosion resistant plate of 1mm of round steel top and one side, the corrosion resistant plate who is located the top encloses to keep off and welds at hanging coaster 33 top, prevent that sleet from covering on hanging coaster 33's fixed pulley.
When the utility model discloses when using in direct current circuit iron tower, its mounting method includes following step:
s1, before the anti-freezing and ice-melting period comes, burying a pulley support frame 36 on the ground right below the center of the tower material 1, and burying a pulley support frame 37 on the ground at one side of the tower material 1;
s2, fixing the ground steering pulley 34 on a pulley support frame;
the hand-operated pulley 31 is fixed on the pulley support frame 37;
the suspension tackle 33 is fixed on a tower material 1 with the same height as the cross arm in the direct current line iron tower through a clamp 331, and the suspension tackle 33 is positioned right above the ground steering tackle 34;
fixing a lower steering trolley 32 on the tower material 1 between the hand-operated pulley 31 and a ground steering trolley 34, wherein the arrangement height of the lower steering trolley 32 is between the ground steering trolley 34 and a suspension trolley 33;
s3, sequentially connecting the first connecting hardware fitting 21, the first insulator hardware fitting 22, the composite insulator 23 and the second insulator hardware fitting 24 from top to bottom;
connecting a second connecting hardware 26 to the center of the bottom of the second yoke plate 25, symmetrically connecting two suspension clamps 27 to two sides of the bottom of the second yoke plate 25, and clamping the analog conducting wire 28 in the suspension clamps 27;
the second yoke plate 25 is connected to the bottom of the second insulator hardware fitting 24 through a plurality of UB hanging plates, so that the arrangement direction of the simulation lead 28 is the same as that of the transmission line;
s4, winding the steel wire rope 35 on the hand-operated pulley 31, wherein two ends of the steel wire rope 35 penetrate out of the hand-operated pulley 31, one end of the steel wire rope 35 sequentially penetrates through the lower steering pulley 32 and the hanging pulley 33 to be fixedly connected with the top of the first connecting fitting 21, and the other end of the steel wire rope 35 penetrates through the ground steering pulley 34 to be fixedly connected with the bottom of the second connecting fitting 26.
When the utility model is used in the ac line iron tower, the difference between the installation method and the dc line iron tower is that, in the above step S2, the hanging pulley 33 is fixed on the tower 1 below the middle phase insulator inside the ac line iron tower through the clamp 331, and the hanging pulley 33 is located right above the ground turning pulley 34.
The utility model discloses a flexible overhead transmission line icing analogue means's application method, including following step:
s1, before the ice coating period comes, installing and debugging the line model 2 and the lifting component 3 in place to ensure that the arrangement direction of the simulation lead 28 is the same as that of the transmission line; the hand-operated pulley 31 is rotated, and the line model 2 is pulled into the air through the pulling force of the steel wire rope 35 and the steering action of the lower steering pulley 32 and the hanging pulley 33;
and S2, during ice coating observation, reversely rotating the hand-operated pulley 31, lowering the line model 2 to the ground through the tension of the steel wire rope 35 and the steering action of the ground steering pulley 34, and performing close-range observation on the ice coating of the composite insulator 23 and the simulation lead 28.
Claims (6)
1. The utility model provides a flexible overhead transmission line icing analogue means, hangs and locates on transmission tower's tower material (1), its characterized in that: comprises a line model (2) hung on a tower material and a lifting part (3) for driving the line model to move up and down on the tower material,
the line model (2) comprises a first connecting fitting (21), a first insulator fitting (22), a composite insulator (23), a second insulator fitting (24), a second yoke plate (25) and a second connecting fitting (26) which are sequentially connected from top to bottom, two suspension wire clamps (27) are symmetrically connected to two sides of the yoke plate, a simulation lead (28) is clamped in each suspension wire clamp,
lifting unit (3) including arrange hand pulley (31) in tower material one side ground department, arrange down turn to coaster (32) on hand pulley top tower material, arrange in hang coaster (33) of tower material center department, arrange ground turn to coaster (34) under hanging the coaster, twine wire rope (35) on hand pulley, this wire rope one end passes down in proper order and turns to coaster and hang coaster and first link fitting top rigid coupling, one end passes ground turn to coaster and second link fitting bottom rigid coupling, the simulation wire arranges the direction the same with transmission line.
2. The flexible overhead transmission line icing simulation device of claim 1, wherein: and a limiter (4) for preventing the steel wire rope from being sleeved in is arranged below the suspension tackle.
3. The flexible overhead transmission line icing simulation device of claim 1, wherein: the hand-operated pulley is provided with a locker (5) for preventing the steel wire rope from running.
4. The flexible overhead transmission line icing simulation device of claim 1, wherein: rain shields (6) are respectively arranged above the hand-operated pulley (31), the lower steering pulley (32) and the ground steering pulley (34).
5. The flexible overhead transmission line icing simulation device of claim 1, wherein: a rain cover (7) for reducing ice coating of the pulley is arranged on the hanging pulley (33).
6. The flexible overhead transmission line icing simulation device of claim 1, wherein: the hanging pulley (33) is fixed on the tower material through a clamp (331).
Priority Applications (1)
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CN202021273556.5U CN212210294U (en) | 2020-07-02 | 2020-07-02 | Flexible overhead transmission line icing simulation device |
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CN202021273556.5U CN212210294U (en) | 2020-07-02 | 2020-07-02 | Flexible overhead transmission line icing simulation device |
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CN212210294U true CN212210294U (en) | 2020-12-22 |
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CN202021273556.5U Active CN212210294U (en) | 2020-07-02 | 2020-07-02 | Flexible overhead transmission line icing simulation device |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115417336A (en) * | 2022-09-23 | 2022-12-02 | 云南电网有限责任公司电力科学研究院 | Pulley device |
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2020
- 2020-07-02 CN CN202021273556.5U patent/CN212210294U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115417336A (en) * | 2022-09-23 | 2022-12-02 | 云南电网有限责任公司电力科学研究院 | Pulley device |
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