CN204556778U - Wheelbarrow switch ac voltage withstanding testing auxiliary device - Google Patents
Wheelbarrow switch ac voltage withstanding testing auxiliary device Download PDFInfo
- Publication number
- CN204556778U CN204556778U CN201520236812.6U CN201520236812U CN204556778U CN 204556778 U CN204556778 U CN 204556778U CN 201520236812 U CN201520236812 U CN 201520236812U CN 204556778 U CN204556778 U CN 204556778U
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- insulating support
- hollow insulating
- wire
- insulated hull
- mounting bar
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Abstract
The utility model discloses a kind of wheelbarrow switch ac voltage withstanding testing auxiliary device, during for solving bare copper wire winding switch fingertip, easy broken lot fracture of wire causes disconnected copper wire to stay switch fingertip to cause fingertip to discharge or the problem of short circuit.This device is: the first mounting bar, the second mounting bar, the first hollow insulating support and the second hollow insulating support are flexibly connected all respectively, form end to end quadrilateral; First hollow insulating support inside is through an insulated hull wire, insulated hull wire welds out three holes that three bar insulation skin wires arrange from the first hollow insulating support to pass, second hollow insulating support inside is through an insulated hull wire, insulated hull wire welds out three holes that three bar insulation skin wires arrange from the second hollow insulating support to pass, the insulated hull wire end that every root passes welds a secondary wire clamp respectively.Adopt said apparatus, can increase work efficiency, remind the instant detaching device of user.
Description
Technical field
The utility model relates to technical field of electric power, particularly relates to a kind of wheelbarrow switch ac voltage withstanding testing auxiliary device.
Background technology
The advantages such as wheelbarrow switch is little by feat of volume, lightweight, and Maintenance and Repair are convenient are widely used in 10 kilovolts (kV) and following electric system.10kV vacuum routine test project has three, be respectively: megger test, loop resistance test and AC voltage withstand test, wherein, AC voltage withstand test accounts for 2/3rds of three total time on test, in whole AC voltage withstand test, the time of carrying out the wiring of wheelbarrow switch equipment accounts for 41.82%, remove the time of wheelbarrow switch equipment wiring account for 34.46%, carry out the time of testing tool wiring account for 11.08%, remove the time of testing tool wiring account for 6.41% and time of carrying out AC voltage withstand test account for 6.23%.
Consult shown in Fig. 1, AC voltage withstand test is divided into withstand voltage and withstand voltage two kinds of the entirety of fracture, the test principle that fracture is withstand voltage is in open position at wheelbarrow switch, fracture ABC three-phase fingertip short circuit on wheelbarrow switch is added high pressure, lower fracture ABC three-phase fingertip short circuit ground connection, whether the insulation status investigating vacuum bubbles between upper and lower fracture is good.Overall withstand voltage test principle is in closing position at wheelbarrow switch, upper and lower for wheelbarrow switch fracture ABC three-phase amounted to six fingertip short circuits and adds high pressure, and whether well investigates switches conductive loop insulation status over the ground.
In prior art, carrying out AC voltage withstand test, during short circuit fingertip, usual employing bare copper wire is wrapped on ABC three-phase fingertip, bare copper wire is comparatively thin longer, require in winding process that bare copper wire is exceptionally straight, away from the shell of wheelbarrow switch equipment, therefore need in test to spend the more time, and bare copper wire Long-Time Service, the stressed broken lot of meeting afterwards fracture of wire repeatedly, the copper wire fractureed may be clamped by the banding spring on switch fingertip and be retained on switch fingertip, if do not find this situation and by putting equipment in service, light then fingertip position can be caused to discharge, affect service life of equipment, heavy then line to line fault or three-phase shortcircuit can occur, cause equipment failure, harm electric power netting safe running.
Summary of the invention
The utility model embodiment provides a kind of wheelbarrow switch ac voltage withstanding testing auxiliary device, when there is bare copper wire winding wheelbarrow switch fingertip in order to solve in prior art, easy broken lot fracture of wire causes disconnected copper wire to be retained on switch fingertip, causes the problem of the electric discharge of fingertip position or short trouble.
The utility model embodiment provides a kind of wheelbarrow switch ac voltage withstanding testing auxiliary device, and it is characterized in that, device comprises: the first mounting bar, the second mounting bar, the first hollow insulating support, the second hollow insulating support, insulated hull wire and secondary wire clamp; Wherein, the first mounting bar, the second mounting bar, the first hollow insulating support and the second hollow insulating support are flexibly connected all respectively, form end to end quadrilateral; First hollow insulating support inside is through an insulated hull wire, insulated hull wire welds out three holes that three bar insulation skin wires arrange from the first hollow insulating support to pass, second hollow insulating support inside is through an insulated hull wire, insulated hull wire welds out three holes that three bar insulation skin wires arrange from the second hollow insulating support to pass, the insulated hull wire end that every root passes welds a secondary wire clamp respectively
The utility model beneficial effect comprises: the method be wound around relative to using bare copper wire in prior art, and the method for insulated hull wire connecting secondary wire clamp short circuit shortens all greatly at setting up time with on the dismounting time, improves work efficiency; And after using the wheelbarrow switch ac voltage withstanding testing auxiliary device of this band warning device, non-test personnel can be reminded in process of the test away from equipment under test, testing crew can be reminded after off-test to remove shorting stub, get rid of the possibility causing equipment failure because human factor forgets dismounting shorting stub.
Accompanying drawing explanation
Fig. 1 is handcart switch cabinet structural representation of the prior art;
Fig. 2 is the wheelbarrow switch ac voltage withstanding testing auxiliary device structural representation in the utility model;
Fig. 3 is the structural representation of the warning device base in the utility model;
Fig. 4 is the circuit diagram of the warning device in the utility model;
Fig. 5 is the scale diagrams of the wheelbarrow switch ac voltage withstanding testing auxiliary device in the utility model.
Embodiment
In order to provide the work efficiency improving wheelbarrow switch AC voltage withstand test, get rid of that human factor causes because forgetting that the implementation of the equipment failure totally do not caused is removed in dismounting shorting stub or shorting stub, the utility model embodiment provides a kind of wheelbarrow switch ac voltage withstanding testing auxiliary device, below in conjunction with Figure of description, preferred embodiment of the present utility model is described, be to be understood that, preferred embodiment described herein only for instruction and explanation of the utility model, and is not used in restriction the utility model.And when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Consult shown in Fig. 2, the utility model embodiment provides a kind of wheelbarrow switch ac voltage withstanding testing auxiliary device, and this device comprises: the first mounting bar, the second mounting bar, the first hollow insulating support, the second hollow insulating support, insulated hull wire and secondary wire clamp; Wherein, the first mounting bar, the second mounting bar, the first hollow insulating support and the second hollow insulating support are flexibly connected all respectively, form end to end quadrilateral; First hollow insulating support inside is through an insulated hull wire, insulated hull wire welds out three holes that three bar insulation skin wires arrange from the first hollow insulating support to pass, second hollow insulating support inside is through an insulated hull wire, insulated hull wire welds out three holes that three bar insulation skin wires arrange from the second hollow insulating support to pass, the insulated hull wire end that every root passes welds a secondary wire clamp respectively.
Consult shown in Fig. 2 and Fig. 3, device also comprises warning device, and warning device is connected with the first hollow insulating support or the second hollow insulating support by insulating cord, and warning device comprises travel switch, hummer, alarm lamp, alarm lamp base, magnet and power supply; Alarm lamp is fixedly connected with alarm lamp base, and magnet is fixedly connected on the bottom surface of alarm lamp base, and travel switch is arranged on the bottom surface of alarm lamp base;
Consult shown in Fig. 4, travel switch, hummer, alarm lamp and power sources in series.
Concrete, in use, by the first mounting bar, second mounting bar, the quadrilateral of the first hollow insulating support and the end to end formation of the second hollow insulating support props up and is placed on wheelbarrow switch, to realize the object of short circuit on the fingertip secondary wire clamp of insulated hull wire end being clipped in wheelbarrow switch, and before carrying out the test of wheelbarrow switch ac voltage withstanding, by warning device by the metal position of magnet adsorption in wheelbarrow switch, and then press travel switch contact, connect performance loop, hummer and alarm lamp are started working, the power acquisition of whole warning device be dry cell.This warning device is for reminding non-test personnel away from equipment under test in test pressure process, and note personal safety, remind testing crew after off-test, remove equipment wiring, after taking off warning device, travel switch resets, and stops trigger alarm.
Consult shown in Fig. 5, the first mounting bar and the second mounting bar are alongst upper beats some holes, and the diameter in hole is greater than the diameter of the first hollow insulating support or the second hollow insulating support.Preferably, the first mounting bar and the second mounting bar are alongst gone up and are at least made a call to three holes respectively, and wherein, the distance being positioned at the hole at middle hole and two ends is respectively 275 millimeters and 35 millimeters.
Concrete, the fracture spacing of wheelbarrow switch is 275mm or 310mm, therefore, when being positioned at the distance of middle hole with the hole at two ends and being respectively 275 millimeters and 35 millimeters, be arranged on the first hollow insulating support on the first mounting bar and the second mounting bar and the distance between the second hollow insulating support is just in time 275mm or 310mm.
Three holes that first hollow insulating support and the second hollow insulating support are arranged respectively, wherein, the distance being positioned at the hole at middle hole and two ends is all 250 millimeters.
A spaced apart of wheelbarrow switch is of a size of 210mm or 275mm, in order to the wheelbarrow switch of these two kinds of specifications can be general, the spaced apart of wheelbarrow switch ac voltage withstanding testing auxiliary device is decided to be 250mm.Nargin is left when cutting insulated hull wire, go for the wheelbarrow switch of Multiple Type, applicability is strong, the quadrilateral support of the first mounting bar, the second mounting bar, the first hollow insulating support and the end to end formation of the second hollow insulating support can fixed insulation skin wire, insulated hull wire relaxes can not be caused, can insulation distance be reduced.
In sum, the scheme that the utility model embodiment provides, relative to the method using bare copper wire to be wound around in prior art, the method for insulated hull wire connecting secondary wire clamp short circuit shortens all greatly at setting up time with on the dismounting time, improves work efficiency; And after using the wheelbarrow switch ac voltage withstanding testing auxiliary device of this band warning device, non-test personnel can be reminded in process of the test away from equipment under test, testing crew can be reminded after off-test to remove shorting stub, get rid of the possibility causing equipment failure because human factor forgets dismounting shorting stub.
Obviously, those skilled in the art can carry out various change and modification to the utility model and not depart from spirit and scope of the present utility model.Like this, if these amendments of the present utility model and modification belong within the scope of the utility model claim and equivalent technologies thereof, then the utility model is also intended to comprise these change and modification.
Claims (5)
1. a wheelbarrow switch ac voltage withstanding testing auxiliary device, is characterized in that, described device comprises: the first mounting bar, the second mounting bar, the first hollow insulating support, the second hollow insulating support, insulated hull wire and secondary wire clamp; Wherein, described first mounting bar, described second mounting bar, described first hollow insulating support and described second hollow insulating support are flexibly connected all respectively, form end to end quadrilateral; Described first hollow insulating support inside is through an insulated hull wire, described insulated hull wire welds out three holes that three bar insulation skin wires arrange from described first hollow insulating support to pass, described second hollow insulating support inside is through an insulated hull wire, described insulated hull wire welds out three holes that three bar insulation skin wires arrange from described second hollow insulating support to pass, the insulated hull wire end that every root passes welds a secondary wire clamp respectively.
2. device as claimed in claim 1, it is characterized in that, described device also comprises warning device, described warning device is connected with described first hollow insulating support or the second hollow insulating support by insulating cord, and described warning device comprises travel switch, hummer, alarm lamp, alarm lamp base, magnet and power supply; Described alarm lamp is fixedly connected with described alarm lamp base, and described magnet is fixedly connected on the bottom surface of described alarm lamp base, and described travel switch is arranged on the bottom surface of described alarm lamp base; Described travel switch, described hummer, described alarm lamp and described power sources in series.
3. device as claimed in claim 1, is characterized in that, described first mounting bar and described second mounting bar are alongst upper beats some holes, and the diameter in described hole is greater than the diameter of described first hollow insulating support or described second hollow insulating support.
4. device as claimed in claim 3, it is characterized in that, described first mounting bar and described second mounting bar are alongst gone up and are at least made a call to three holes respectively, and wherein, the distance being positioned at the hole at middle hole and two ends is respectively 275 millimeters and 35 millimeters.
5. device as claimed in claim 1, is characterized in that, three holes that described first hollow insulating support and described second hollow insulating support are arranged respectively, wherein, the distance being positioned at the hole at middle hole and two ends is all 250 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236812.6U CN204556778U (en) | 2015-04-20 | 2015-04-20 | Wheelbarrow switch ac voltage withstanding testing auxiliary device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236812.6U CN204556778U (en) | 2015-04-20 | 2015-04-20 | Wheelbarrow switch ac voltage withstanding testing auxiliary device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204556778U true CN204556778U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520236812.6U Expired - Fee Related CN204556778U (en) | 2015-04-20 | 2015-04-20 | Wheelbarrow switch ac voltage withstanding testing auxiliary device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204556778U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515320A (en) * | 2017-10-18 | 2017-12-26 | 广西电网有限责任公司电力科学研究院 | A kind of anti-dropout testing tool of quality of power supply secondary side |
| CN114593901A (en) * | 2022-01-12 | 2022-06-07 | 国网陕西省电力公司西安供电公司 | Handcart switch mechanical characteristic test connecting device |
-
2015
- 2015-04-20 CN CN201520236812.6U patent/CN204556778U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107515320A (en) * | 2017-10-18 | 2017-12-26 | 广西电网有限责任公司电力科学研究院 | A kind of anti-dropout testing tool of quality of power supply secondary side |
| CN114593901A (en) * | 2022-01-12 | 2022-06-07 | 国网陕西省电力公司西安供电公司 | Handcart switch mechanical characteristic test connecting device |
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| 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: 20150812 Termination date: 20160420 |
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| CF01 | Termination of patent right due to non-payment of annual fee |