CN204216460U - Electric power isolation switch hotline maintenance instrument - Google Patents
Electric power isolation switch hotline maintenance instrument Download PDFInfo
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- CN204216460U CN204216460U CN201420770649.7U CN201420770649U CN204216460U CN 204216460 U CN204216460 U CN 204216460U CN 201420770649 U CN201420770649 U CN 201420770649U CN 204216460 U CN204216460 U CN 204216460U
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- bar
- isolation switch
- insulating bar
- electric power
- polishing wheel
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Abstract
The utility model provides a kind of electric power isolation switch hotline maintenance instrument, by insulating support rod as supportive body, insulating bar is connected with described insulating support rod by Lift Part, the height of insulating bar operation can be controlled by described Lift Part, one end of described insulating bar is provided with polishing wheel, described polishing wheel is connected with the drive motors being arranged on the described insulating bar other end by power transmission shaft, operating personnel can start described drive motors and control polishing wheel rotation on ground, thus the electric power isolation switch in high-altitude is cleared up, without the need to work high above the ground.Described insulating bar is hollow structure in addition, and described power transmission shaft passes described insulating bar, is connected with described drive motors and polishing wheel respectively, and therefore power transmission shaft is also in the insulator besieged, ensure that the fail safe of upkeep operation, without the need to interruption maintenance.
Description
Technical field
The utility model electric power apparatus examination field, particularly relates to a kind of electric power isolation switch hotline maintenance instrument.
Background technology
Can transformer station's mesohigh isolated switchgear normally operate in the contact resistance (General Requirements is about 100 micro-ohms) depending on isolation switch contact to a great extent.Growth along with operation hours is subject to the impact of surrounding environment, as industrial gas emission pollutes, particularly chemical emission exhaust emission, salt-alkali contaminated corrosion, long oxidation corrosion etc., make the corrosion gradually of isolation switch contact conductive contact surfaces, surface forms layer of oxide layer, increase to making contact resistance, under accidental conditions, contact caloric value increases, temperature raises, corrosion oxide layer is made again to increase the weight of along with temperature raises, cause contact resistance and then increase,---higher---temperature rise is higher---corrosion of generating heat is oxidized vicious circle faster to define contact resistance larger.Happen occasionally in operation because of corrosion cause isolation switch contact to burn out, scorification accident so that need to change the global facility of isolating switch, cause great economic loss.In addition, be in operation as ensureing that good normal employing of isolation switch contact contact smears conductive paste on contact conductive contact surfaces.Because conductive paste contains lubricant component, at conductive paste surface laying dust rapidly after operation a period of time, along with conductive paste dries up gradually, isolation switch contact conductive contact surfaces forms one deck dirt, the dynamic and static contact of isolating switch effectively can not be contacted, cause heating.The isolating switch that is in disjunction state of happening occasionally in operation has just put into operation and namely contact heating problem has occurred, and just can must put into operation after the schmutzband grinding process of contact surface.
For preventing isolating switch from causing contact to burn out accident because of dirt, corrosion, adopt infrared imaging inspection device heat condition at present, stop transport according to the contact heating temp situation application isolated switchgear that exceeds standard, maintainer carries out work high above the ground process.The power failure of isolating switch dynamic and static contact both sides often needs the stoppage in transit of whole section of bus.Therefore, for arranging an isolation switch contact maintenance, needing loaded down with trivial details grid switching operation, the manually safety measure etc. of high-altitude grinding process need spend very long interruption duration, not only expending huge man power and material, also have a strong impact on multiple power supply.
Along with the reform of power industry system, country proposes higher requirement to power supply quality, power supply reliability.The chance that equipment has a power failure is fewer and feweri, interruption duration is also shorter and shorter, and interruption maintenance becomes the measure being difficult to realize.The manpower work high above the ground that thorough solution is dangerous, heavy, guarantee system safety operation, multiple power supply are the task of top priority, urgently to be resolved hurrily.
Utility model content
Interruption maintenance is needed for existing electric power isolation switch, and the problem that work high above the ground maintenance difficulty is large, the utility model provides a kind of electric power isolation switch hotline maintenance instrument, maintainer is enable to carry out hotline maintenance maintenance to electric power isolation switch, do not need to have a power failure, and the danger of maintainer's high-altitude application can be avoided.
A kind of electric power isolation switch hotline maintenance instrument, comprising: base, insulating support rod, insulating bar, power transmission shaft, drive motors, polishing wheel and Lift Part; Described insulating support rod is fixed on described base, and described insulating bar is connected with described insulating support rod by Lift Part; Described insulating bar is hollow structure, described polishing wheel is arranged on one end of described insulating bar, described drive motors is arranged on the other end of described insulating bar, and described power transmission shaft passes described insulating bar, is connected with described drive motors and polishing wheel respectively.
Electric power isolation switch hotline maintenance instrument of the present utility model, by insulating support rod as supportive body, insulating bar is connected with described insulating support rod by Lift Part, the height of insulating bar operation can be controlled by described Lift Part, one end of described insulating bar is provided with polishing wheel, described polishing wheel is connected with the drive motors being arranged on the described insulating bar other end by power transmission shaft, operating personnel can start described drive motors and control polishing wheel rotation on ground, thus the electric power isolation switch in high-altitude is cleared up, without the need to work high above the ground.Described insulating bar is hollow structure in addition, and described power transmission shaft passes described insulating bar, is connected with described drive motors and polishing wheel respectively, and therefore power transmission shaft is also in the insulator besieged, ensure that the fail safe of upkeep operation, without the need to interruption maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model electric power isolation switch hotline maintenance instrument execution mode.
Embodiment
Refer to Fig. 1, Fig. 1 is the structural representation of the utility model electric power isolation switch hotline maintenance instrument execution mode.
Described electric power isolation switch hotline maintenance instrument, comprising: base 10, insulating support rod 1, insulating bar 2, power transmission shaft 5, drive motors 4, polishing wheel 6 and Lift Part; Described insulating support rod 1 is fixed on described base 10, and described insulating bar 2 is connected with described insulating support rod 1 by Lift Part; Described insulating bar 2 is hollow structure, described polishing wheel 6 is arranged on one end of described insulating bar 2, described drive motors 4 is arranged on the other end of described insulating bar 2, and described power transmission shaft 5 passes described insulating bar 2, is connected with described drive motors 4 and polishing wheel 6 respectively.
Electric power isolation switch hotline maintenance instrument of the present utility model, triangle base is the base for supporting of whole instrument, in order to be fixed on ground when instrument uses.Insulating support rod 1 is as supportive body, insulating bar 2 is connected with described insulating support rod 1 by Lift Part, the height of insulating bar 2 operation can be controlled by described Lift Part, one end of described insulating bar 2 is provided with polishing wheel 6, described polishing wheel 6 is connected with the drive motors 4 being arranged on described insulating bar 2 other end by power transmission shaft 5, power source parts are mainly direct-connected motor special, are directly installed on the lower end of insulating bar.Operating personnel can start described drive motors 4 and control polishing wheel 6 and rotate on ground, thus clear up, without the need to work high above the ground the electric power isolation switch in high-altitude.Described insulating bar 2 is hollow structure in addition, described power transmission shaft 5 passes described insulating bar 2, is connected with described drive motors 4 and polishing wheel 6 respectively, therefore power transmission shaft 5 is also in the insulator besieged, ensure that the fail safe of upkeep operation, without the need to interruption maintenance.
In a preferred embodiment, described Lift Part comprises pulley 7, insulating cord 8 and manual reel 9, and described pulley 7 is fixed on described insulating support rod top 1, and described insulating cord is through described pulley 7, one end connects described insulating bar 2, and the other end is connected to described manual reel 9.
The weight of described insulating bar 2 supports primarily of described Lift Part, described Lift Part comprises pulley 7, insulating cord 8 and manual reel 9 and forms, insulating cord 8 one end is strapped on insulating bar 2, the other end is connected with manual reel 9, by operating manual reel 9, the lifting of insulating bar 2 and polishing wheel 6 can be realized, thus control the height of inspection operation.
In a preferred embodiment, described insulating bar 2 comprises main insulation action bars and insulated lengthened bar 3, and described insulated lengthened bar 3 telescopically is set in described main insulation action bars.
Further, described main insulation action bars one end is connected with described insulated lengthened bar 3, and the other end arranges described polishing wheel 6; Described insulated lengthened bar 3 one end is connected with described main insulation action bars, and the other end arranges described drive motors 4.
By arranging described insulated lengthened bar 3, higher operation can be provided highly to select for user, very convenient.
In one embodiment, described insulating support rod 1 comprises support bar main body and insulated lift bar, and described support bar main body is arranged on described base 10, and described insulated lift bar telescopically is set in described support bar main body.
Same passing through arranges insulated lift bar in described insulating support rod 1, can make the Height Adjustable of whole instrument, and the height providing more multioperation is selected, convenient.
In one embodiment, described base is triangle base.More firm enabling capabilities is provided, user-friendly, prevent operating process run-off the straight.
The utility model adopts miniature motor as power source, drive the power transmission shaft in insulating bar to rotate, drive the polishing wheel on insulating bar top, the polishing wheel of High Rotation Speed and high voltage isolation switch contact surface contact complete the charged polishing operation of contact surface; Insulated lift bar and main insulation action bars can regulate according to the needs of equipment setting height(from bottom), and maximum polishing height can reach 6 meters even higher, is applicable to 220kV and following high-voltage isolating switches in transformer substation; For the polishing of the different contact of the dynamic/static contact and fault severity level that are applicable to the different structure size of various model isolating switch, the utility model can coordinate with the polishing wheel of different structure size and various material, to ensure the polishing effect of moving contact and fixed contact of isolating switch.
Adopt the utility model hotline maintenance instrument can when not having a power failure handle high voltages isolating switch heating defect, effectively can solve a difficult problem for high voltage isolation switch contact heating and equipment power failure polishing, prevent high voltage isolator heating, burning damage accident generation, reduce national economy loss, thoroughly alleviate again the heavy physical labor of the artificial polishing that has a power failure, save human and material resources, time, the equipment that additionally reduces is because of the economic loss of polishing and bringing that has a power failure, significant to guarantee power supply reliability.
If high voltage isolator generation heating defect needs power failure to carry out grinding process, suppose power failure 1 day, load current is 300A, electric pressure is 220kV, the energy loss caused that then has a power failure is about 914550 degree, and the expense often spending electricity is 0.6 yuan, then power failure economic loss 54.9 ten thousand yuan.If the operating expenses of each isolation switch is 10,000 yuan, then the direct economic loss of a high-voltage cable power failure reaches 55.9 ten thousand yuan.If consider, fault causes the loss of GDP, and industrial efficiency calculates with 4 yuan/degree, then every bar cable line occurs that the economic loss that accident causes will reach millions of unit.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (6)
1. an electric power isolation switch hotline maintenance instrument, is characterized in that, comprising: base, insulating support rod, insulating bar, power transmission shaft, drive motors, polishing wheel and Lift Part; Described insulating support rod is fixed on described base, and described insulating bar is connected with described insulating support rod by Lift Part; Described insulating bar is hollow structure, described polishing wheel is arranged on one end of described insulating bar, described drive motors is arranged on the other end of described insulating bar, and described power transmission shaft passes described insulating bar, is connected with described drive motors and polishing wheel respectively.
2. electric power isolation switch hotline maintenance instrument as claimed in claim 1, is characterized in that:
Described Lift Part comprises pulley, insulating cord and manual reel, and described pulley is fixed on described insulating support rod top, and described insulating cord is through described pulley, and one end connects described insulating bar, and the other end is connected to described manual reel.
3. electric power isolation switch hotline maintenance instrument as claimed in claim 1, is characterized in that:
Described insulating bar comprises main insulation action bars and insulated lengthened bar, and described insulated lengthened bar telescopically is set in described main insulation action bars.
4. electric power isolation switch hotline maintenance instrument as claimed in claim 3, is characterized in that:
Described main insulation action bars one end is connected with described insulated lengthened bar, and the other end arranges described polishing wheel; Described insulated lengthened bar one end is connected with described main insulation action bars, and the other end arranges described drive motors.
5. the electric power isolation switch hotline maintenance instrument as described in Claims 1-4 any one, is characterized in that:
Described insulating support rod comprises support bar main body and insulated lift bar, and described support bar main body is arranged on described base, and described insulated lift bar telescopically is set in described support bar main body.
6. the electric power isolation switch hotline maintenance instrument as described in Claims 1-4 any one, is characterized in that: described base is triangle base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420770649.7U CN204216460U (en) | 2014-12-08 | 2014-12-08 | Electric power isolation switch hotline maintenance instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420770649.7U CN204216460U (en) | 2014-12-08 | 2014-12-08 | Electric power isolation switch hotline maintenance instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204216460U true CN204216460U (en) | 2015-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420770649.7U Active CN204216460U (en) | 2014-12-08 | 2014-12-08 | Electric power isolation switch hotline maintenance instrument |
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| CN (1) | CN204216460U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896358A (en) * | 2016-06-08 | 2016-08-24 | 国网浙江省电力公司湖州供电公司 | Polishing device for SPV-type isolation switch |
| CN107732734A (en) * | 2017-11-07 | 2018-02-23 | 张钦 | A kind of multiduty telegraph pole umbrella for electric power overhaul |
| CN108346990A (en) * | 2018-05-02 | 2018-07-31 | 广东电网有限责任公司 | A kind of novel electric power isolation switch hotline maintenance tool |
-
2014
- 2014-12-08 CN CN201420770649.7U patent/CN204216460U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105896358A (en) * | 2016-06-08 | 2016-08-24 | 国网浙江省电力公司湖州供电公司 | Polishing device for SPV-type isolation switch |
| CN107732734A (en) * | 2017-11-07 | 2018-02-23 | 张钦 | A kind of multiduty telegraph pole umbrella for electric power overhaul |
| CN108346990A (en) * | 2018-05-02 | 2018-07-31 | 广东电网有限责任公司 | A kind of novel electric power isolation switch hotline maintenance tool |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |