CN204464928U - Be applied to overhead route system and there is the wiring system moving freely function - Google Patents
Be applied to overhead route system and there is the wiring system moving freely function Download PDFInfo
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- CN204464928U CN204464928U CN201520080319.XU CN201520080319U CN204464928U CN 204464928 U CN204464928 U CN 204464928U CN 201520080319 U CN201520080319 U CN 201520080319U CN 204464928 U CN204464928 U CN 204464928U
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- current limiting
- limiting element
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- joint
- lightning protection
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Abstract
The utility model discloses and be applied to overhead route system and there is the wiring system moving freely function, comprise lightning protection overvoltage protector, insulator, holder device and crossbeam, described lightning protection overvoltage protector is fixed on holder device by the first bolt part, and described insulator is fixed on crossbeam by bolt kit and holder device; Described holder device comprises assistant support, main support, and described main support is L-type, and its long limit is provided with strip hole, and its minor face is fixed on crossbeam by bolt kit; Described assistant support is L-type; its long limit is fixed by the first bolt part and lightning protection overvoltage protector; its minor face is fixed on strip hole by the second bolt part; solve existing installation and regulate problem consuming time; the mode that between major-minor, split is arranged is utilized to replace fixed support; regulate very easily when mounted to reach, thus saved the set-up time, reach the object of saving and installing and using cost.
Description
Technical field
The utility model relates to power transmission technology field, specifically, is be applied to overhead route system and have the wiring system moving freely function.
Background technology
Cable is as the important component part of electric power system; as the carrier of power delivery; very important effect is played in power transmission and distribution process; cable simply can be divided into type low-voltage cable, high voltage cable, superhigh pressure cable from load condition, can be divided into bare wire and insulated electric conductor by its skin again with or without insulation protection.
In electric power system transmission line, for reaching the effect of maximise transmission efficiency, when carrying out remote distance power transmission, the electric power transfer mode of high pressure and even superhigh pressure is adopted to carry out power transmission and distribution operation, in field, wilderness, due to geographical reason, adopting overhead transmission line more, injuring adopting brandreth aerial cable to carry out high-voltage transmission especially for avoiding people and animals.
On whole electric line, lightning-caused breaking is a general difficult problem, special in remote power transmission line, power circuit breaks, insulator arc-over and cause large-area power-cuts, electricity sales amount loss and cause great personal injury accident, and cause great economic loss thus..
Holder device between existing lightning protection overvoltage protector and its insulator be connected in parallel is a kind of stationary device, for ensureing cable high consistency, to regulate through too much structure interlock when mounted and just can reach cable high consistency, serious affects project progress, thus improves and install and use cost; When cable height is inconsistent, will occur that cable drops down the situation of line, easily appearance is gluedd joint between the lines under the action of the forces of the wind, causes line short, serious security incident occurs.
Utility model content
The purpose of this utility model is to provide and is applied to overhead route system and has the wiring system moving freely function, solve existing installation and regulate problem consuming time, the mode that between major-minor, split is arranged is utilized to replace fixed support, regulate very easily when mounted to reach, thus saved the set-up time, reach the object of saving and installing and using cost.
The utility model is achieved through the following technical solutions: be applied to overhead route system and have the wiring system moving freely function, comprise lightning protection overvoltage protector, insulator, holder device and crossbeam, described lightning protection overvoltage protector is fixed on holder device by the first bolt part, and described insulator is fixed on crossbeam by bolt kit and holder device; Described holder device comprises assistant support, main support, and described main support is L-type, and its long limit is provided with strip hole, and its minor face is fixed on crossbeam by bolt kit; Described assistant support is L-type, and its long limit is fixed by the first bolt part and lightning protection overvoltage protector, and its minor face is fixed on strip hole by the second bolt part.
Further, for better realizing the utility model, described lightning protection overvoltage protector comprises Upper gasket, lower gasket, nut, screw rod, joint, current limiting element, described joint is arranged on current limiting element top and bottom, is fixed on the long limit of assistant support at current limiting element bottom fitting by the first bolt part; At current limiting element top, described lower gasket is placed in joint end face, the curved shape of described Upper gasket, and the inner arc of described Upper gasket is relative with lower gasket end face, and described Upper gasket and lower gasket are fixedly fixed on joint by nut and screw rod.
Further, for better realizing the utility model, described lightning protection overvoltage protector also comprises the wire drainage ball, current limiting element drainage ball, the drainage bar that are arranged on current limiting element inside, is connected below the joint that described wire drainage ball is placed in current limiting element top with the joint at current limiting element top; One end of described drainage bar is connected with current limiting element drainage ball, and the other end of drainage bar is connected with current limiting element; Discharging gap is left between described wire drainage ball and current limiting element drainage ball.
Further, for better realizing the utility model, described current limiting element adopts zinc oxide current limiting element.
Further, for better realizing the utility model, described joint adopts conductive metallic material.
Further, for better realizing the utility model, described Upper gasket and lower gasket adopt conductive metallic material.
The utility model compared with prior art, has the following advantages and beneficial effect:
(1) the utility model solves existing installation and regulates problem consuming time, the mode that between major-minor, split is arranged is utilized to replace fixed support, regulate very easily when mounted to reach, thus saved the set-up time, reach the object of saving and installing and using cost.
(2) the utility model can solve the problem of the lightning-caused breaking of electric line, and the electric property of line transmission can be ensured, reach the object avoiding lightning-caused breaking, and due to the design of special syndeton, the electric transmission performance of guarantee transmission & distribution line that still can be intact after it is connected with transmission & distribution line.
(3) the utility model can utilize the discharging gap between wire drainage ball and current limiting element drainage ball to carry out the instantaneous current conduction of thunder and lightning, and the situation reaching flashover of effectively taking shelter from the thunder, avoid occurs.
(4) the utility model adopts the zinc oxide current limiting element with nonlinear resistance property; in discharge process; can the upper reservation one of zinc oxide current limiting element (nonlinear resistance) we usually said " residual voltage "; under system power-frequency voltage after lightning voltage, oneself can extinguish power frequency continued flow, thus keeping system not decompression; avoid the generation of system decompression and relaying protection action trip condition; and then improve power supply quality guarantee normal power supply, increase economic benefit, improve power supply reliability.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
Wherein, 1-Upper gasket, 2-lower gasket, 3-nut, 4-screw rod, 5-joint, 6-wire drainage ball, 7-current limiting element drainage ball, 8-drainage bar, 9-current limiting element, 10-assistant support, 11-first bolt part, 12-main support, 13-second bolt part, 14-strip hole, 15-bolt kit, 16-crossbeam, 17-insulator, 18-wire.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but execution mode of the present utility model is not limited thereto.
Embodiment 1:
Be applied to overhead route system and there is the wiring system moving freely function, as shown in Figure 1, comprise lightning protection overvoltage protector, insulator 17, holder device and crossbeam 16, described lightning protection overvoltage protector is fixed on holder device by the first bolt part 11, and described insulator 17 is fixed on crossbeam 16 by bolt kit 15 and holder device; Described holder device comprises assistant support 10, main support 12, and described main support 12 is in L-type, and its long limit is provided with strip hole 14, and its minor face is fixed on crossbeam 16 by bolt kit 15; Described assistant support 10 is in L-type, and its long limit is fixed with lightning protection overvoltage protector by the first bolt part 11, and its minor face is fixed on strip hole 14 by the second bolt part 13.
In use be, by lightning protection overvoltage protector, holder device, insulator 17 and crossbeam 16 are assembled and are connected on pylon by crossbeam 16, wire 18 is placed in insulator 17 top, and be fixed on lightning protection overvoltage protector, when thunderstorm weather, when wire 18 is subject to Lightning Over-voltage, due to the protective effect of lightning protection overvoltage protector, thunder and lightning is discharged rapidly, thus avoid occurring insulator arc-over, or conductor cord disconnection, cause large area line fault, assistant support 10 is fixed on the strip hole 14 of main support 12 by the second bolt part 13, because the reason of strip hole is when carrying out high consistency and regulating, only need regulate the second bolt part, adjustment assistant support 10 just can reach with the relative position of strip hole the object adjusting high consistency, thus simplify job step, reduce and regulating time is installed, reach the object reducing and install and use cost.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, as shown in Figure 1, described lightning protection overvoltage protector comprises Upper gasket 1, lower gasket 2, nut 3, screw rod 4, joint 5, current limiting element 9, described joint 5 is arranged on current limiting element 9 top and bottom, is fixed on the long limit of assistant support 10 at current limiting element 9 bottom fitting 5 by the first bolt part 11; At current limiting element 9 top, described lower gasket 2 is placed in joint 5 end face, the curved shape of described Upper gasket 1, and the inner arc of described Upper gasket 1 is relative with lower gasket 2 end face, and described Upper gasket 1 and lower gasket 2 are fixedly fixed on joint 5 by nut 3 and screw rod 4.
In use be; wire 13 is through Upper gasket 1 and lower gasket 2; and fixed by it; due to Upper gasket 1 for the fixture space that formed between arc shape and lower gasket 2 can well there will not be and be out of shape and cause the risk that electric property reduces by guardwire 18; thus reach good electrical communications characteristic; when thunderstorm weather; when wire 18 is subject to Lightning Over-voltage; due to the protective effect of lightning protection overvoltage protector; thunder and lightning is discharged rapidly; thus avoid occurring insulator arc-over, or conductor cord disconnection, cause large area line fault.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, and described current limiting element 9 adopts zinc oxide current limiting element, and described joint 5 adopts conductive metallic material, and described Upper gasket 1 and lower gasket 2 adopt conductive metallic material.Adopt the zinc oxide current limiting element with nonlinear resistance property; in discharge process; can the upper reservation one of zinc oxide current limiting element (nonlinear resistance) we usually said " residual voltage "; under system power-frequency voltage after lightning voltage, oneself can extinguish power frequency continued flow, thus keeping system not decompression; avoid the generation of system decompression and relaying protection action trip condition; and then improve power supply quality guarantee normal power supply, increase economic benefit, improve power supply reliability.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, as shown in Figure 1, further, for better realizing the utility model, described lightning protection overvoltage protector also comprises the wire drainage ball 6, current limiting element drainage ball 7, the drainage bar 8 that are arranged on current limiting element 9 inside, is connected below the joint 5 that described wire drainage ball 6 is placed in current limiting element 9 top with the joint 5 at current limiting element 9 top; One end of described drainage bar 8 is connected with current limiting element drainage ball 7, and the other end of drainage bar 8 is connected with current limiting element 9; Discharging gap is left between described wire drainage ball 6 and current limiting element drainage ball 7.
In use, when thunderstorm weather, when wire 18 is subject to Lightning Over-voltage, when induction overvoltage not yet reaches insulator 17 flashover, wire drainage ball 6 and current limiting element drainage ball 7 gap start electric discharge, and to be led current limiting element 9 by drainage bar 8 by lightning current afterwards, lightning current discharges through current limiting element 9, power frequency continued flow is then blocked by current limiting element 9, reaches the object of " taking shelter from the thunder ".When circuit occur in short-term power-frequency overvoltage (Millisecond) time; even if circuit is in weak insulation (power frequency withstand 38kV); lightning protection overvoltage protector still ensures electric discharge; play a protective role; thus prevent because of power frequency continued flow high temperature melting broken string road (thunderbolt wire 18 breaks and insulator arc-over); protection circuit, avoids breaking, insulator arc-over and cause large-area power-cuts, the loss of electricity sales amount and the great economic reparation that causes great personal injury accident and cause thus.
Embodiment 5:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further, for better realizing the utility model, described current limiting element 9 adopts zinc oxide current limiting element, described joint 5 adopts conductive metallic material, and described Upper gasket 1 and lower gasket 2 adopt conductive metallic material.Adopt the zinc oxide current limiting element with nonlinear resistance property; in discharge process; can the upper reservation one of zinc oxide current limiting element (nonlinear resistance) we usually said " residual voltage "; under system power-frequency voltage after lightning voltage, oneself can extinguish power frequency continued flow, thus keeping system not decompression; avoid the generation of system decompression and relaying protection action trip condition; and then improve power supply quality guarantee normal power supply, increase economic benefit, improve power supply reliability.
The utility model solves existing installation and regulates problem consuming time, utilizes the mode that between major-minor, split is arranged to replace fixed support, regulates very easily when mounted, thus saved the set-up time to reach, reach the object of saving and installing and using cost.
The above; it is only preferred embodiment of the present utility model; not do any pro forma restriction to the utility model, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present utility model, all falls within protection range of the present utility model.
Claims (6)
1. be applied to overhead route system and there is the wiring system moving freely function, it is characterized in that: comprise lightning protection overvoltage protector, insulator (17), holder device and crossbeam (16), described lightning protection overvoltage protector is fixed on holder device by the first bolt part (11), and described insulator (17) is fixed on crossbeam (16) by bolt kit (15) and holder device; Described holder device comprises assistant support (10), main support (12), and described main support (12), in L-type, its long limit is provided with strip hole (14), and its minor face is fixed on crossbeam (16) by bolt kit (15); Described assistant support (10) is in L-type, and its long limit is fixed by the first bolt part (11) and lightning protection overvoltage protector, and its minor face is fixed on strip hole (14) by the second bolt part (13).
2. be according to claim 1ly applied to overhead route system and there is the wiring system moving freely function, it is characterized in that: described lightning protection overvoltage protector comprises Upper gasket (1), lower gasket (2), nut (3), screw rod (4), joint (5), current limiting element (9), described joint (5) is arranged on current limiting element (9) top and bottom, is fixed on the long limit of assistant support (10) at current limiting element (9) bottom fitting (5) by the first bolt part (11); At current limiting element (9) top, described lower gasket (2) is placed in joint (5) end face, described Upper gasket (1) curved shape, and the inner arc of described Upper gasket (1) is relative with lower gasket (2) end face, described Upper gasket (1) and lower gasket (2) are fixedly fixed on joint (5) by nut (3) and screw rod (4).
3. be according to claim 2ly applied to overhead route system and there is the wiring system moving freely function, it is characterized in that: described current limiting element (9) adopts zinc oxide current limiting element.
4. be according to claim 2ly applied to overhead route system and there is the wiring system moving freely function, it is characterized in that: described joint (5) adopts conductive metallic material.
5. be according to claim 2ly applied to overhead route system and there is the wiring system moving freely function, it is characterized in that: described Upper gasket (1) and lower gasket (2) adopt conductive metallic material.
6. according to Claims 2 or 3 or 4 or 5, be applied to overhead route system and there is the wiring system moving freely function, it is characterized in that: described lightning protection overvoltage protector also comprises the wire drainage ball (6), current limiting element drainage ball (7), the drainage bar (8) that are arranged on current limiting element (9) inside, described wire drainage ball (6) is placed in joint (5) below at current limiting element (9) top and is connected with the joint (5) at current limiting element (9) top; One end of described drainage bar (8) is connected with current limiting element drainage ball (7), and the other end of drainage bar (8) is connected with current limiting element (9); Discharging gap is left between described wire drainage ball (6) and current limiting element drainage ball (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080319.XU CN204464928U (en) | 2015-02-05 | 2015-02-05 | Be applied to overhead route system and there is the wiring system moving freely function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520080319.XU CN204464928U (en) | 2015-02-05 | 2015-02-05 | Be applied to overhead route system and there is the wiring system moving freely function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204464928U true CN204464928U (en) | 2015-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520080319.XU Expired - Fee Related CN204464928U (en) | 2015-02-05 | 2015-02-05 | Be applied to overhead route system and there is the wiring system moving freely function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204464928U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577933A (en) * | 2015-02-05 | 2015-04-29 | 成都君禾天成科技有限公司 | Wiring system with free movement function applied to elevated line system |
| CN110867844A (en) * | 2019-12-30 | 2020-03-06 | 西安宝鑫自动化设备有限公司 | An environmentally friendly overhead overvoltage protector |
-
2015
- 2015-02-05 CN CN201520080319.XU patent/CN204464928U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577933A (en) * | 2015-02-05 | 2015-04-29 | 成都君禾天成科技有限公司 | Wiring system with free movement function applied to elevated line system |
| CN110867844A (en) * | 2019-12-30 | 2020-03-06 | 西安宝鑫自动化设备有限公司 | An environmentally friendly overhead overvoltage protector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150708 Termination date: 20190205 |
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| CF01 | Termination of patent right due to non-payment of annual fee |