CN108789285A - A kind of electric tool external member for converter power transformer MR tapping switch gear-shiftings - Google Patents
A kind of electric tool external member for converter power transformer MR tapping switch gear-shiftings Download PDFInfo
- Publication number
- CN108789285A CN108789285A CN201810789773.0A CN201810789773A CN108789285A CN 108789285 A CN108789285 A CN 108789285A CN 201810789773 A CN201810789773 A CN 201810789773A CN 108789285 A CN108789285 A CN 108789285A
- Authority
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- China
- Prior art keywords
- handle
- switch gear
- tapping switch
- sleeve
- power transformer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 43
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 241001074085 Scophthalmus aquosus Species 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000004080 punching Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 230000013011 mating Effects 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 2
- 235000011613 Pinus brutia Nutrition 0.000 description 2
- 241000018646 Pinus brutia Species 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010616 electrical installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
- B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B33/00—Hand tools not covered by any other group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a kind of electric tool external members for converter power transformer MR tapping switch gear-shiftings, including two kinds of forms, a kind of form is made of tapping switch gear-shifting handle, sleeve, electric wrench, wherein tapping switch gear-shifting handle is connected with one end of sleeve, and the other end of sleeve is connected with electric wrench；Another form is made of tapping switch gear-shifting handle, sleeve, connection selector bar, impact drill, wherein tapping switch gear-shifting handle is connected with one end of sleeve, the other end of sleeve is connected with the one end for connecting selector bar, and the other end for connecting selector bar is connected with impact drill；When solving the MR tap switches of converter power transformer the case where being not switched on power supply, the problem for manually adjusting gear time-consuming, efficiency is low realizes the fast and efficiently shift of converter power transformer, saves time and manpower, improves efficiency.
Description
Technical field
The present invention is suitable for electrical network field, and in particular to a kind of electronic work for converter power transformer MR tapping switch gear-shiftings
Has external member.
Background technology
According to GB 50150-2016《Erection works of electrical installations Standard for handover test of electric equipment》In related requirement,
After transformer installs, need to carrying out following commissioning test, (experiment involved in text is part test content, detailed experiment
Content is shown in GB 50150-2016《Erection works of electrical installations Standard for handover test of electric equipment》8th chapter)：
1, the D.C. resistance of the winding and sleeve under all taps is measured；
2, voltage ratio under all taps is checked；
3, deformation test of transformer winding；
4, the low-voltage zero load of transformer and short-circuit test；
5, winding and sleeve it is long when induced over voltage withstand test band measurement of partial discharge；
When the converter power transformer commissioning test of field test, especially new site, the MR taps of transformer are usually faced
It switch the case where being not switched on power supply, can not electronic adjustment gear, it is therefore desirable to repeatedly be manually adjusted during experiment point
The gear of switch is connect, however manually adjusts gear and often expends long time, under efficiency is relatively low.On the south net super-pressure it is newly loose
For the converter power transformer of current conversion station：The station amounts to 28 converter power transformers, wherein 4 spare, 24 converter power transformers are normal
Operation.The MR tap switches that converter power transformer uses amount to 24 gears, wherein 5 grades to 6 grades, 6 grades to 7 grades need to rotate 66 circles,
The adjustment of remaining adjacent gear positions need to rotate 33 circle handles.When carrying out every experiment, the rotation situation of handle is following (assuming that initial shelves
Position is 18 grades)：
| Pilot project | Tap switch regulation handle turnning circle |
| The change of current becomes source side winding D.C. resistance | 858 |
| Converter power transformer no-load voltage ratio is tested | 858 |
| Low pressure no-load test | 858 |
| Winding deformation | 858 |
| Inducting-voltage proof band shelf depreciation is tested when long | 660 |
Counted according to the actual conditions at scene, manually from -6 grades (lowest gear of new pine current conversion station converter power transformer) to+
18 grades (highest gears of new pine current conversion station converter power transformer), need 45 to 60 minutes in the case where not substituting.In tap switch
In the case that power supply is not turned on, the commissioning test for smoothly finishing a converter power transformer needs access to the time tune of 5 hours
Whole gear, therefore the hand mode efficiency transferred the files is relatively low, is unfavorable for field operation.
Invention content
In view of the foregoing drawbacks, in order to solve the above problem, the present invention provides a kind of for converter power transformer MR tap switch tune
The electric tool external member of shelves, the specific technical solution of the present invention are as follows：
A kind of electric tool external member for converter power transformer MR tapping switch gear-shiftings, including two kinds of forms, a kind of form
It is made of tapping switch gear-shifting handle 2, sleeve 3, electric wrench 5, wherein one end phase of tapping switch gear-shifting handle 2 and sleeve 3
Even, the other end of sleeve 3 is connected with electric wrench 5；Another form is converted by tapping switch gear-shifting handle 2, sleeve 3, connection
Bar 4, impact drill 6 form, and wherein tapping switch gear-shifting handle 2 is connected with one end of sleeve 3, the other end of sleeve 3 with connect turn
The one end for changing bar 4 is connected, and the other end of connection selector bar 4 is connected with impact drill 6.
Further, the tapping switch gear-shifting handle 2 includes blind hole 21, handle front 22, the middle of the handle 23, handle tail
Blind hole 21 is arranged on handle front 22, locating rod 25, handle front 22, the middle of the handle is arranged in blind hole 21 for portion 24, locating rod 25
23, handle tail portion 24 is integrally formed.
Further, one end of the sleeve 3 is hexagonal nose end 31, and the other end of sleeve 3 is quadrangle nose end 32.
Further, the connection selector bar 4 includes hex head end 41, annular groove 42, hexagonal section 43, cylindrical section 44, steel
Pearl 45, conversion head 46, hex head end 41 are arranged in one end of connection selector bar 4, are arranged between hex head end 41 and hexagonal section 43
There are annular groove 42, hexagonal section 43 to be connected with one end of cylindrical section 44, the other end of cylindrical section 44 is provided with conversion head 46, conversion head
46 surfaces are provided with steel ball 45.
Further, the handle front 22 is connected with jack 7, and handle tail portion 24 is connected with hexagonal nose end 31, four corner apertures
End 32 is connected with electric wrench 5.
Further, the handle front 22 is connected with jack 7, and handle tail portion 24 is connected with hexagonal nose end 31, four corner apertures
End 32 is connected with conversion head 46, and hex head end 41 is connected with impact drill 6.
Further, the handle front 22, the middle of the handle 23 are all cylinder.
Operation principle
The course of work of the electric tool external member of two kinds of forms of the present invention is as follows：
The first form, tapping switch gear-shifting handle, sleeve, electric wrench are sequentially connected, and form electric tool external member, point
It connecing the transfer the files handle front of handle of switch connect with jack, starts electric wrench, electric wrench driving electric tool external member rotates,
The final adjusting for realizing converter power transformer gear, electric wrench rotate clockwise reduction gear, and rotation counterclockwise increases gear.
Second of form, tapping switch gear-shifting handle, sleeve, connection selector bar, impact drill are sequentially connected, and form electronic work
Has external member, the handle front of tapping switch gear-shifting handle is connect with jack, starts impact drill, and impact drill drives electric tool external member
Rotation, the final adjusting for realizing converter power transformer gear, impact drill rotate clockwise reduction gear, and rotation counterclockwise increases shelves
Position.
Compared with prior art, the invention has the advantages that：
When 1, solving the MR tap switches of converter power transformer the case where being not switched on power supply, manually adjusts gear and take
Problem long, efficiency is low makes full use of the construction tool at scene, realizes transferring the files for converter power transformer；
2, the fast and efficiently shift for realizing converter power transformer, saves time and manpower, improves the efficiency of experiment.
Description of the drawings
Fig. 1 is the schematic diagram of existing handle of transferring the files；
Fig. 2 is the schematic diagram of tapping switch gear-shifting handle；
Fig. 3 is the sectional view of tapping switch gear-shifting handle；
Fig. 4 is the schematic diagram for connecting selector bar；
Fig. 5 is the left view of sleeve；
Fig. 6 is the right view of sleeve；
Fig. 7 is the decomposition diagram of the first embodiment of the present invention；
Fig. 8 is the connection diagram of the first embodiment of the present invention；
Fig. 9 is the decomposition diagram of second of embodiment of the present invention；
Figure 10 is the connection diagram of second of embodiment of the present invention；
Figure 11 is the schematic diagram of tapping switch gear-shifting operating mechanism box.
It is indicated in figure：The existing handles of transferring the files of 1-, 11- jack mating ends, 12- handles, 2- tapping switch gear-shifting handles,
21- blind holes, 22- handles front, 23- the middle of the handle, 24- handles tail portion, 25- locating rods, 3- sleeves, 31- hexagonal nose ends, 32-
Quadrangle nose end, 4- connection selector bars, 41- hex head ends, 42- annular grooves, 43- hexagonal sections, 44- cylindrical sections, 45- steel balls, 46- turn
Change head, 5- electric wrenches, 6- impact drills, 7- jacks.
Specific implementation mode
With reference to examples illustrate the present invention, but the present invention is not limited to following technical schemes.
As shown in Figure 1, in the case where the MR tap switches of converter power transformer are not switched on power supply, it can not electronic adjustment shelves
Position, generally by multiple manual mode adjust tap switch gear, it is existing transfer the files handle 1 include jack mating end 11,
Handle 12, at work, jack mating end 11 are mounted on jack 7, and converter power transformer gear is realized by holding handle 12
Adjusting.
As shown in Figure 2 and Figure 3, tapping switch gear-shifting handle 2 includes blind hole 21, handle front 22, the middle of the handle 23, handle
Blind hole 21 is arranged on handle front 22 for tail portion 24, locating rod 25, is arranged locating rod 25 in blind hole 21, in handle front 22, handle
Portion 23, handle tail portion 24 are integrally formed, and when tapping switch gear-shifting handle 2 works, handle front 22 is mounted on jack 7,
Realize transferring the files for converter power transformer.
As shown in figure 4, connection selector bar 4 includes hex head end 41, annular groove 42, hexagonal section 43, cylindrical section 44, steel ball
45, conversion head 46, hex head end 41 are arranged in one end of connection selector bar 4, are provided between hex head end 41 and hexagonal section 43
Annular groove 42, hexagonal section 43 are connected with one end of cylindrical section 44, and the other end of cylindrical section 44 is provided with conversion head 46, conversion head 46
Surface is provided with steel ball 45, and connection selector bar 4 is realized is conveyed to sleeve 3, tapping switch gear-shifting handle 2 by the power of impact drill 6.
As shown in Figure 5, Figure 6, one end of sleeve 3 is hexagonal nose end 31, and the other end of sleeve 3 is quadrangle nose end 32.
As shown in Figure 7, Figure 8, the first form of the invention is by tapping switch gear-shifting handle 2, sleeve 3,5 groups of electric wrench
At tapping switch gear-shifting handle 2 is connected with one end of sleeve 3, and the other end of sleeve 3 is connected with electric wrench 5, starts electronic pull
Hand 5, driving tapping switch gear-shifting handle 2 are rotated with sleeve 3.
As shown in Figure 9, Figure 10, second of form of the invention is by tapping switch gear-shifting handle 2, sleeve 3, connection selector bar
4, impact drill 6 form, wherein tapping switch gear-shifting handle 2 is connected with one end of sleeve 3, the other end of sleeve 3 with connect convert
One end of bar 4 is connected, and the other end of connection selector bar 4 is connected with impact drill 6, starts impact drill 6, drives tapping switch gear-shifting handle
Hand 2, sleeve 3, connection selector bar 4 rotate.
As shown in figure 11, it is provided with jack 7 in tapping switch gear-shifting operating mechanism box, in the electric tool external member of the present invention
When work, handle front 22 is mounted on jack 7, realizes automatic gear shifting.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than is limited；Although with reference to aforementioned reality
Applying example, invention is explained in detail, for those of ordinary skill in the art, still can be to aforementioned implementation
Technical solution recorded in example is modified or equivalent replacement of some of the technical features；And these are changed or replace
It changes, the spirit and scope for claimed technical solution of the invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of electric tool external member for converter power transformer MR tapping switch gear-shiftings, which is characterized in that including two kinds of forms,
A kind of form is made of tapping switch gear-shifting handle (2), sleeve (3), electric wrench (5), wherein tapping switch gear-shifting handle (2)
It is connected with one end of sleeve (3), the other end of sleeve (3) is connected with electric wrench (5)；Another form is by tapping switch gear-shifting
Handle (2), sleeve (3), connection selector bar (4), impact drill (6) composition, wherein tapping switch gear-shifting handle (2) and sleeve (3)
One end be connected, the other end of sleeve (3) and the one end for connect selector bar (4) are connected, connect the other end and the punching of selector bar (4)
Brill (6) is hit to be connected.
2. a kind of electric tool external member for converter power transformer MR tapping switch gear-shiftings according to claim 1, special
Sign is that the tapping switch gear-shifting handle (2) includes blind hole (21), handle front (22), the middle of the handle (23), handle tail portion
(24), locating rod (25) are arranged blind hole (21), locating rod (25), handle front are arranged in blind hole (21) on handle front (22)
(22), the middle of the handle (23), handle tail portion (24) are integrally formed.
3. a kind of electric tool external member for converter power transformer MR tapping switch gear-shiftings according to claim 1, special
Sign is that one end of the sleeve (3) is hexagonal nose end (31), and the other end of sleeve (3) is quadrangle nose end (32).
4. a kind of electric tool external member for converter power transformer MR tapping switch gear-shiftings according to claim 1, special
Sign is that the connection selector bar (4) includes hex head end (41), annular groove (42), hexagonal section (43), cylindrical section (44), steel
Pearl (45), conversion head (46), hex head end (41) setting is in one end of connection selector bar (4), hex head end (41) and hexagonal section
(43) annular groove (42) is provided between, hexagonal section (43) is connected with one end of cylindrical section (44), the other end of cylindrical section (44)
It is provided with conversion head (46), conversion head (46) surface is provided with steel ball (45).
5. a kind of electric tool external member for converter power transformer MR tapping switch gear-shiftings according to claim 1, special
Sign is that the handle front (22) is connected with jack (7), and handle tail portion (24) are connected with hexagonal nose end (31), quadrangle nose end
(32) it is connected with electric wrench (5).
6. a kind of electric tool external member for converter power transformer MR tapping switch gear-shiftings according to claim 1, special
Sign is that the handle front (22) is connected with jack (7), and handle tail portion (24) are connected with hexagonal nose end (31), quadrangle nose end
(32) it is connected with conversion head (46), hex head end (41) is connected with impact drill (6).
7. according to a kind of any electric tool sets for converter power transformer MR tapping switch gear-shiftings of claim 1-6
Part, which is characterized in that the handle front (22), the middle of the handle (23) are all cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789773.0A CN108789285B (en) | 2018-07-18 | 2018-07-18 | Electric tool suite for gear shifting of MR tapping switch of converter transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810789773.0A CN108789285B (en) | 2018-07-18 | 2018-07-18 | Electric tool suite for gear shifting of MR tapping switch of converter transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108789285A true CN108789285A (en) | 2018-11-13 |
| CN108789285B CN108789285B (en) | 2024-04-02 |
Family
ID=64076852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810789773.0A Active CN108789285B (en) | 2018-07-18 | 2018-07-18 | Electric tool suite for gear shifting of MR tapping switch of converter transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108789285B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233073A (en) * | 2019-07-11 | 2019-09-13 | 山东双益电气有限责任公司 | Sub-connecting switch of transformer gear remote auto adjusts device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810410A (en) * | 2012-07-24 | 2012-12-05 | 吉林省电力有限公司长春供电公司 | Switching device for on-load tap-changer of transformer |
| CN203680181U (en) * | 2014-01-13 | 2014-07-02 | 杭州萧山力源工具厂 | Antiskid wrench socket |
| CN104752075A (en) * | 2014-06-19 | 2015-07-01 | 国网辽宁省电力有限公司丹东供电公司 | Handheld transformer on-load tap-changer rotating device |
| CN204843984U (en) * | 2015-06-09 | 2015-12-09 | 上海禹顺轨道交通科技有限公司 | Special electric spanner of portable rechargeable point machine |
| CN208841324U (en) * | 2018-07-18 | 2019-05-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of electric tool external member for converter power transformer MR tapping switch gear-shifting |
-
2018
- 2018-07-18 CN CN201810789773.0A patent/CN108789285B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810410A (en) * | 2012-07-24 | 2012-12-05 | 吉林省电力有限公司长春供电公司 | Switching device for on-load tap-changer of transformer |
| CN203680181U (en) * | 2014-01-13 | 2014-07-02 | 杭州萧山力源工具厂 | Antiskid wrench socket |
| CN104752075A (en) * | 2014-06-19 | 2015-07-01 | 国网辽宁省电力有限公司丹东供电公司 | Handheld transformer on-load tap-changer rotating device |
| CN204843984U (en) * | 2015-06-09 | 2015-12-09 | 上海禹顺轨道交通科技有限公司 | Special electric spanner of portable rechargeable point machine |
| CN208841324U (en) * | 2018-07-18 | 2019-05-10 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of electric tool external member for converter power transformer MR tapping switch gear-shifting |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110233073A (en) * | 2019-07-11 | 2019-09-13 | 山东双益电气有限责任公司 | Sub-connecting switch of transformer gear remote auto adjusts device |
| CN110233073B (en) * | 2019-07-11 | 2024-03-19 | 山东双益电气有限责任公司 | Remote automatic adjusting device for tap switch gear of transformer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108789285B (en) | 2024-04-02 |
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