CN203630290U - A voltage withstanding test device allowing three phase conversion - Google Patents
A voltage withstanding test device allowing three phase conversion Download PDFInfo
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- CN203630290U CN203630290U CN201320825083.9U CN201320825083U CN203630290U CN 203630290 U CN203630290 U CN 203630290U CN 201320825083 U CN201320825083 U CN 201320825083U CN 203630290 U CN203630290 U CN 203630290U
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- 238000012360 testing method Methods 0.000 title claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 37
- 239000004020 conductor Substances 0.000 claims abstract description 168
- 238000009413 insulation Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 7
- 230000007704 transition Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010616 electrical installation Methods 0.000 description 1
- 230000005571 horizontal transmission Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The utility model provides a voltage withstanding test device allowing three phase conversion. The voltage withstanding test device comprises an overhead sleeve and a conversion tool. The overhead sleeve is of a single-phase structure. The lower portion of the overhead sleeve is provided with a transition tube. An A-phase conductor, a B-phase conductor and a C-phase conductor are arranged in the transition tube. The conversion tool capable of being contacted with the A-phase conductor, the B-phase conductor and the C-phase conductor through rotation is arranged above the A-phase conductor, the B-phase conductor and the C-phase conductor. The overhead sleeve is of the single-phase structure and the conversion tool is arranged in the transition tube on the lower portion of the overhead sleeve. The conversion tool can be contacted with the A-phase conductor, the B-phase conductor and the C-phase conductor through rotation of the conversion tool, so that the voltage withstanding test for the A-phase conductor, the B-phase conductor and the C-phase conductor can be achieved. The voltage withstanding test device has the advantages that the production cost of the device is reduced, the workload of field installation is reduced, the device installing speed is increased and the device installing quality is improved.
Description
Technical field
The utility model relates to a kind of high-voltage switch gear product withstand voltage test device, relates to a kind of for three-phase combined type type GIS(gas-insulated closed metal switchgear) device of withstand voltage test, particularly a kind of Withstand test device that carries out three-phase inversion.
Background technology
Gas-insulated closed metal switchgear (being called for short GIS) is the high-voltage electrical equipment of current widespread use, and its inside is filled with the SF6 gas of certain pressure as insulating medium.Stipulate according to GB50150-2006 Erection works of electrical installations Standard for handover test of electric equipment: high-voltage electrical equipment On-Site Testing should be undertaken by the relevant regulations of act.std " the gas-insulated metal-enclosed electrical equipment On-Site Testing guide rule " DL/T555 of product technology conditioned disjunction country, and trial voltage value is 80% of delivery test voltage.Because the main wiring mode in power station exists compared with polymorphic type, therefore the withstand voltage test method of equipment is different.While installation in factory, can utilize workshop ready-made tooling device (passing through main bus-bar) to carry out withstand voltage test.Be subject to the restriction of the factors such as place, equipment, cost in erecting stage, be typically chosen in and on aerial sleeve or cable termination, connect pressurization.For the engineering that has aerial sleeve, can directly on terminal strip, go between and carry out withstand voltage test.For the engineering of only having cable termination, can only be connected with cable termination by Withstand test device, equipment is carried out to withstand voltage test.In three-phase combined type type GIS, enclosure interior has three-phase conductor, if one-step installation completes the withstand voltage test of three-phase, need to use the device that has three-phase sleeve pipe, more and the parts of the required parts of this test unit take up room greatly, transportation cost is high, and secondly on-site installation work amount is large, assembly technology requirement is high, and therefore the fringe cost of test is higher.
Utility model content
For addressing the above problem, the purpose of this utility model has been to provide a kind of Withstand test device that can three-phase inversion, the on-the-spot installation of this device is less, assembly technology requires lowly, by being connected of the changeable three-phase conductor of this device and single-phase sleeve pipe, can greatly increase work efficiency.
For achieving the above object, the utility model adopts following technical scheme:
The utility model comprises aerial sleeve and conversion frock, described aerial sleeve is phase structure, aerial sleeve bottom is provided with transitional cylinder, in transitional cylinder, be provided with A phase conductor, B phase conductor and C phase conductor, the top of A phase conductor, B phase conductor and C phase conductor is provided with by rotation can realize the conversion frock contacting with A phase conductor, B phase conductor or C phase conductor.
Described conversion frock comprises insulating driving rod, gear train, conversion conductor rod, A phase ground rod, B phase ground rod, C phase ground rod, A phase conductor, B phase conductor and C phase conductor, insulating driving rod is arranged on gear train, gear train contacts by rotation energy and A phase conductor, B phase conductor or C phase conductor, and on the sidewall of transitional cylinder, relative set is for making A phase ground rod, B phase ground rod, the C phase ground rod of A phase conductor, B phase conductor, C phase conductor ground connection.
Described gear train comprises center conductor and is arranged on the first bevel gear and the second bevel gear on center conductor, the first bevel gear and the second bevel gear 14 are 45 taperings, insulating driving rod level passes transitional cylinder, center conductor lower end is provided with the conversion conductor rod that can carry out 360 degree rotations, and conversion conductor rod contacts with A phase conductor, B phase conductor or C phase conductor by rotation.
Between described conversion conductor rod and center conductor, adopt bearing fit.
The end that described insulating driving rod passes transitional cylinder is provided with the six square shaft heads for rotating insulated drive link.
Described six square shaft heads adopt pouring type to be combined with the end of insulating driving rod.
The lower end of described conversion conductor rod is provided with for reducing the spring ball to A phase conductor, B phase conductor or the wearing and tearing of C phase conductor and increase contact reliability.
Described A phase conductor, B phase conductor or C phase conductor top are provided with the groove matching with spring ball.
The part that described A phase ground rod, B phase ground rod, C phase ground rod are exposed at transitional cylinder outside is provided with the stop means for making A phase ground rod, B phase ground rod, C phase ground rod and A phase conductor, B phase conductor or the insulation of C phase conductor.
With respect to prior art, the beneficial effect the utlity model has: the utility model is set to phase structure by aerial sleeve, conversion frock is set in the transitional cylinder of aerial sleeve bottom, change frock by rotation and can realize contacting of conversion frock and A phase conductor, B phase conductor or C phase conductor, thereby realization is carried out withstand voltage test to A phase conductor, B phase conductor or C phase conductor.
The utility model carries out comprehensive Design according to GIS internal conductor structure, utilize bevel gear drive principle of work, and build and form in conjunction with factors such as On-Site Testing key points, finally realize the function that three-phase conductor switches mutually, reduced the production cost installing, reduced on-site installation work amount and improved device installation rate and quality.This device only needs a test casing, and branch's cylinder is straight tube structure, and the parts that configuration relates to are few, uses general wagon to transport.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is conversion frock schematic diagram;
Wherein, 1 is built on stilts sleeve, and 2 is conversion frock, 3 is cable termination, and 4 is grounding switch signaling point, single-phase sleeve pipe conductor, 5 is conversion conductor rod, and 6 is A phase ground rod, and 7 is A phase conductor, 8 is cable termination conductor, and 9 is B phase ground rod, and 10 is B phase conductor, 11 is six square shaft heads, and 12 is insulating driving rod, and 13 is the first bevel gear, 14 is the second bevel gear, and 15 is single-phase sleeve pipe conductor.
Embodiment
Below in conjunction with accompanying drawing, the utility model is elaborated.
Referring to Fig. 1-2, the utility model comprises the aerial sleeve 1 that is arranged on transitional cylinder upper end, aerial sleeve 1 is phase structure, for convenience of transportation, aerial sleeve 1 adopts silicon rubber material, in transitional cylinder 1, be provided with conversion frock 2, conversion frock 2 lower ends are provided with A phase conductor 7, B phase conductor 10 and C phase conductor; Described conversion frock comprises insulating driving rod 12, gear train, conversion conductor rod 5, A phase ground rod 6, B phase ground rod 9, C phase ground rod, A phase conductor 7, B phase conductor 10 and C phase conductor, and the material that wherein insulating driving rod 12 adopts is teflon.The lower end of A phase conductor 7, B phase conductor 10 and C phase conductor is provided with cable termination 3.
Referring to Fig. 2, gear train comprises center conductor and is arranged on the first bevel gear 13 and the second bevel gear 14 on center conductor, the first bevel gear 13 and the second bevel gear 14 are 45 taperings, the first bevel gear 13 is all connected with insulating driving rod 12 one end by bearing with the second bevel gear 14, insulating driving rod 12 other end levels pass transitional cylinder, and be provided with in insulating driving rod 12 ends for six square shaft head 11, six square shaft heads 11 of rotating insulated drive link and the other end of insulating driving rod 12 and adopt pouring type to be combined.
Center conductor lower end is provided with conversion conductor rod 5, between conversion conductor rod 5 and center conductor, adopt bearing fit, and can carry out 360 degree rotations, with A phase conductor 7, B phase conductor 10 or the contact of C phase conductor, the lower end of conversion conductor rod 5 is provided with spring ball, can reduce to a certain extent A phase conductor 7, the wearing and tearing of B phase conductor 10 or C phase conductor also increase contact reliability, on the sidewall of transitional cylinder, arrange through transitional cylinder sidewall and can the flexible A phase ground rod 6 of along continuous straight runs, B phase ground rod 9 and C phase ground rod, A phase ground rod 6, B phase ground rod 9 and C phase ground rod all adopt stainless steel to reduce friction force, consider and A phase conductor 7, B phase conductor 10, the insulation of C phase conductor, A phase ground rod 6, the part that B phase ground rod 9 and C phase ground rod are exposed at transitional cylinder outside has installed additional for making A phase ground rod 6, B phase ground rod 9, C phase ground rod and A phase conductor 7, the stop means of B phase conductor 10 or the insulation of C phase conductor.The lower end of A phase conductor 7, B phase conductor 10 and C phase conductor is stube cable terminal conductor 8 respectively.
Three-phase conductor (A phase conductor, B phase conductor and C phase conductor) is the setting of equilateral triangle structure, and each conductor end arranges groove and coordinates with spring ball, occurs " click " conductor clash while making its contact.For the reliability that guarantees that conductor connects, finally again verify by multimeter measuring circuit.
The utility model is simple in structure, easy to operate, safe and reliable.In reducing production costs, shorten the on-the-spot engineering time, can significantly reduce the experimentation cost of product.The utility model can be promoted the use of in similar industry field.
In this practical middle middle transition cylinder, be three-phase inversion mechanism (changing frock), utilized bevel gear drive principle of work, and designed in conjunction with factors such as On-Site Testing key points, conductor coupling portion is divided according to the inner structure of existing product and is built.When On-Site Testing, lead-in wire is connected with the terminal strip of aerial sleeve, then passes through the blocked operation of three-phase conductor, can be connected with three respectively, carries out the withstand voltage test of single-phase conductor.
Specific works process is as follows: (so that A phase conductor is carried out to withstand voltage test as example):
One, aerial sleeve 1 terminal strip is connected with lead-in wire;
Two, use open-ended spanner to rotate six square shaft heads 11 and make gear train drive conversion conductor rod along the rotation of transitional cylinder housing central point, until there is " click " conductor clash;
Three, use the whether conducting (by the No. of winning the confidence 9 of grounding switch signaling point) of Universal meter measuring frame empty set pipe end daughter board and A phase conductor;
Four, B phase conductor 10, C phase conductor are respectively by B phase ground rod 9, C phase ground rod ground connection;
Five, check that whether the preparatory items before the tests such as air chamber pressure, frame ground line are ready;
Six, A phase conductor 7 is carried out to withstand voltage test;
Adopt same operation to carry out withstand voltage test to B phase conductor 10, C phase conductor.
In the utility model, to adopt crossed axis angle be that the bevel gear of 90 degree carries out transmission to gear train, realizes the switching of horizontal transmission and vertical-transmission.The key point of gear train is: one, insulating driving rod and center conductor is fixing; Two, the design of the spring ball of conversion conductor rod conductor structure and termination; Three, the design of Sealing Structure of insulating driving rod and housing.
In the utility model, change three-phase conductor end in frock lower floor conductor and do not equate to the distance at housing center, therefore need B phase conductor to be designed to arcuate structure, realize three-phase conductor end and equate with the distance at housing center.
The design of ground structure is mainly concerned with sealing and the ground rod sports limiting of barred body and housing, and the former can design with reference to insulating driving rod, and latter need increase position limiting structure.
Claims (9)
- One kind can three-phase inversion Withstand test device, it is characterized in that, comprise aerial sleeve (1) and conversion frock (2), described aerial sleeve (1) is phase structure, aerial sleeve (1) bottom is provided with transitional cylinder, in transitional cylinder, be provided with A phase conductor (7), B phase conductor (9) and C phase conductor, the top of A phase conductor (7), B phase conductor (9) and C phase conductor is provided with by rotation can realize the conversion frock (2) contacting with A phase conductor (7), B phase conductor (10) or C phase conductor.
- 2. a kind of Withstand test device that can three-phase inversion according to claim 1, it is characterized in that, described conversion frock comprises insulating driving rod (12), gear train, conversion conductor rod (5), A phase ground rod (6), B phase ground rod (9), C phase ground rod, A phase conductor (7), B phase conductor (10) and C phase conductor, insulating driving rod (12) is arranged on gear train, gear train is by rotation energy and A phase conductor (7), B phase conductor (10) or C phase conductor contact, on the sidewall of transitional cylinder, relative set is used for making A phase conductor (7), B phase conductor (10), the A phase ground rod (6) of C phase conductor ground connection, B phase ground rod (9), C phase ground rod.
- 3. a kind of Withstand test device that can three-phase inversion according to claim 2, it is characterized in that, described gear train comprises center conductor and is arranged on the first bevel gear (13) and the second bevel gear (14) on center conductor, the first bevel gear (13) and the second bevel gear 14 are 45 taperings, insulating driving rod (12) level passes transitional cylinder, center conductor lower end is provided with the conversion conductor rod (5) that can carry out 360 degree rotations, and conversion conductor rod (5) contacts with A phase conductor (7), B phase conductor (10) or C phase conductor by rotation.
- 4. according to a kind of Withstand test device that can three-phase inversion described in claim 2 or 3, it is characterized in that, between described conversion conductor rod (5) and center conductor, adopt bearing fit.
- 5. according to a kind of Withstand test device that can three-phase inversion described in claim 2 or 3, it is characterized in that, the end that described insulating driving rod (12) passes transitional cylinder is provided with the six square shaft heads (11) for rotating insulated drive link.
- 6. a kind of Withstand test device that can three-phase inversion according to claim 5, is characterized in that, described six square shaft heads (11) adopt pouring type to be combined with the end of insulating driving rod (12).
- 7. according to a kind of Withstand test device that can three-phase inversion described in claim 2 or 3, it is characterized in that, the lower end of described conversion conductor rod (5) is provided with for reducing the spring ball to A phase conductor (7), B phase conductor (10) or the wearing and tearing of C phase conductor and increase contact reliability.
- 8. a kind of Withstand test device that can three-phase inversion according to claim 7, is characterized in that, described A phase conductor (7), B phase conductor (10) or C phase conductor top are provided with the groove matching with spring ball.
- 9. a kind of Withstand test device that can three-phase inversion according to claim 7, it is characterized in that, the part that described A phase ground rod (6), B phase ground rod (9), C phase ground rod are exposed at transitional cylinder outside is provided with the stop means for making A phase ground rod (6), B phase ground rod (9), C phase ground rod and A phase conductor (7), B phase conductor (10) or the insulation of C phase conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320825083.9U CN203630290U (en) | 2013-12-13 | 2013-12-13 | A voltage withstanding test device allowing three phase conversion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320825083.9U CN203630290U (en) | 2013-12-13 | 2013-12-13 | A voltage withstanding test device allowing three phase conversion |
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| CN203630290U true CN203630290U (en) | 2014-06-04 |
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| CN201320825083.9U Expired - Lifetime CN203630290U (en) | 2013-12-13 | 2013-12-13 | A voltage withstanding test device allowing three phase conversion |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785943A (en) * | 2016-11-29 | 2017-05-31 | 河南平芝高压开关有限公司 | A kind of experiment of high-voltage switch gear is connected bus device with three |
| CN107831424A (en) * | 2017-11-27 | 2018-03-23 | 许继（厦门）智能电力设备股份有限公司 | One kind is used for GIS intervals pressure test test device |
| CN108020758A (en) * | 2016-10-28 | 2018-05-11 | 上海思源高压开关有限公司 | A kind of three-phase turns single-phase experimental rig |
| CN109507498A (en) * | 2018-11-06 | 2019-03-22 | 河南平高电气股份有限公司 | A kind of experimental rig for three-phase switching |
| CN111366818A (en) * | 2018-12-26 | 2020-07-03 | 西安西电高压开关有限责任公司 | Conversion device for carrying out withstand voltage test on three-phase box-shared GIS equipment |
| CN111508762A (en) * | 2020-05-08 | 2020-08-07 | 国网北京市电力公司 | Novel withstand voltage device of case GIS cable interval altogether |
-
2013
- 2013-12-13 CN CN201320825083.9U patent/CN203630290U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020758A (en) * | 2016-10-28 | 2018-05-11 | 上海思源高压开关有限公司 | A kind of three-phase turns single-phase experimental rig |
| CN106785943A (en) * | 2016-11-29 | 2017-05-31 | 河南平芝高压开关有限公司 | A kind of experiment of high-voltage switch gear is connected bus device with three |
| CN106785943B (en) * | 2016-11-29 | 2019-07-30 | 河南平芝高压开关有限公司 | A kind of test of high-voltage switch gear is connected bus device with three |
| CN107831424A (en) * | 2017-11-27 | 2018-03-23 | 许继（厦门）智能电力设备股份有限公司 | One kind is used for GIS intervals pressure test test device |
| CN107831424B (en) * | 2017-11-27 | 2024-04-02 | 许继（厦门）智能电力设备股份有限公司 | Be used for GIS interval withstand voltage test testing arrangement |
| CN109507498A (en) * | 2018-11-06 | 2019-03-22 | 河南平高电气股份有限公司 | A kind of experimental rig for three-phase switching |
| CN111366818A (en) * | 2018-12-26 | 2020-07-03 | 西安西电高压开关有限责任公司 | Conversion device for carrying out withstand voltage test on three-phase box-shared GIS equipment |
| CN111508762A (en) * | 2020-05-08 | 2020-08-07 | 国网北京市电力公司 | Novel withstand voltage device of case GIS cable interval altogether |
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Granted publication date: 20140604 |
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| CX01 | Expiry of patent term |