CN110233073B - Remote automatic adjusting device for tap switch gear of transformer - Google Patents
Remote automatic adjusting device for tap switch gear of transformer Download PDFInfo
- Publication number
- CN110233073B CN110233073B CN201910623018.XA CN201910623018A CN110233073B CN 110233073 B CN110233073 B CN 110233073B CN 201910623018 A CN201910623018 A CN 201910623018A CN 110233073 B CN110233073 B CN 110233073B
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- transformer
- remote automatic
- groove
- special socket
- power device
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- 230000005540 biological transmission Effects 0.000 claims description 21
- 239000003638 chemical reducing agent Substances 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000010079 rubber tapping Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/0005—Tap change devices
- H01H9/0027—Operating mechanisms
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Gear Transmission (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a remote automatic adjusting device for a tap switch gear of a transformer, which relates to the technical field of transformer measurement automation, and comprises a special socket wrench for driving a rotary handle to synchronously rotate; the power device is fixedly connected with the special socket wrench to drive the special socket wrench to rotate; the remote automatic adjusting device for the tap switch gear of the transformer can remotely and automatically control the special socket spanner to drive the rotary handle of the tap switch to rotate, so that the labor is saved, the cost is low, and the tap switch gear can be accurately and rapidly adjusted.
Description
Technical Field
The invention relates to the technical field of transformer measurement automation, in particular to a remote automatic adjusting device for a tap switch gear of a transformer.
Background
In the measuring process of the DC resistance and the transformation ratio of the transformer, the tap switch gear of the transformer is required to be adjusted for a plurality of times so as to obtain the DC resistance and the transformation ratio result of each gear. The specific position of the tap switch is determined by an operator, the quality and responsibility of the operator can cause great interference to the test result, and a full-time tester is required to adjust the tap switch gear, and the rotary handle of the tap switch is required to be manually twisted repeatedly in the measuring process, so that the testing process is very slow, and the cost is increased. In addition, the transformer in actual operation is often installed on the transformer support of high-rise or pole, frequently comes and goes, climbs the transformer rack and has increased intensity of labour for operating personnel, has also increased the security risk of work, causes the potential safety hazard easily.
Therefore, how to provide an automatic tap switch gear adjusting device with low cost, and capable of accurately, rapidly and remotely automatically adjusting the tap switch gear is a problem to be solved at present.
Disclosure of Invention
In order to solve the technical problems, the invention provides the transformer tapping switch gear remote automatic adjusting device which is low in cost and can accurately, quickly and remotely automatically adjust the tapping switch gear.
In order to achieve the above object, the present invention provides the following solutions:
the invention provides a remote automatic adjusting device for a tap switch gear of a transformer, which comprises a special socket wrench for driving a rotary handle to synchronously rotate; the power device is fixedly connected with the special socket wrench to drive the special socket wrench to rotate; and the controller is in communication connection with the power device to remotely and automatically control the power device to work.
Preferably, the special socket wrench comprises a transmission shaft, an outer sleeve, an inner sleeve, a first elastic piece and a plurality of check blocks, wherein the rotary handle is provided with a plurality of through grooves in the circumferential direction of the rotary handle, a plurality of lower half limit vertical grooves are formed in the circumferential direction of the first barrel, one upper half limit vertical groove and one lower half limit vertical groove can form a limit vertical groove, one check block can be clamped in one limit vertical groove and one through groove in the second barrel, the second end of the transmission shaft is fixedly connected with the power device, the first end of the transmission shaft penetrates through the first upper cover and the second upper cover, a plurality of through grooves are formed in the circumferential direction of the rotary handle, a plurality of upper half limit vertical grooves are formed in the circumferential direction of the first barrel, a plurality of lower half limit vertical grooves can be formed in the second barrel, and one transverse and vertical groove can be communicated with the first transverse and vertical grooves.
Preferably, the stop block comprises an inclined surface section, and the upper half limiting vertical groove is propped against the inclined surface section so that the stop block is clamped in the through groove.
Preferably, a second elastic member for resetting the outer sleeve is provided between the outer sleeve and the inner sleeve.
Preferably, the remote automatic adjusting device for the tap switch gear of the transformer further comprises a limiting pin for limiting the position of the outer sleeve, and the limiting pin is in transmission connection with the transmission shaft.
Preferably, the power device is a stepping motor, the output end of the stepping motor is connected with the input shaft of the speed reducer, and the output shaft of the speed reducer is fixedly connected with the special socket wrench.
Preferably, the remote automatic adjusting device for the tap switch gear of the transformer further comprises a support, the power device is supported on the support, and the support is fixedly connected with an upper end cover of the transformer.
Preferably, the bracket is fixed on the upper end cover of the transformer through an electromagnetic chuck.
Preferably, the controller is a PLC controller.
Compared with the prior art, the invention has the following technical effects:
the invention discloses a remote automatic adjusting device for a tap switch gear of a transformer, which comprises a special socket wrench for driving a rotary handle to synchronously rotate; the power device is fixedly connected with the special socket wrench to drive the special socket wrench to rotate; the remote automatic adjusting device for the tap switch gear of the transformer can drive the rotary handle to rotate through the special socket spanner which can be remotely and automatically controlled by the controller, so that the labor is saved, the cost is low, and the tap switch gear can be accurately and quickly adjusted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a remote automatic adjusting device for a tap changer gear of a transformer according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of a special socket wrench according to an embodiment of the present invention;
FIG. 4 is a schematic view of a special socket wrench outer sleeve according to an embodiment of the present invention;
FIG. 5 is a schematic view of an inner sleeve of a special socket wrench according to an embodiment of the present invention;
FIG. 6 is a schematic view of a rotary handle according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a stopper according to an embodiment of the present invention.
Reference numerals illustrate: 1. a stepping motor; 2. a speed reducer; 3. a bracket; 4. an output shaft; 5. an elastic coupling; 6. a transmission shaft; 7. a first upper cover; 8. a first cylinder; 801. an upper half limiting vertical groove; 802. a limit transverse groove; 9. a second elastic member; 10. a first elastic member; 11. a second upper cover; 12. a second cylinder; 1201. a lower half limiting vertical groove; 13. a stop block; 1301. a bevel section; 1302. a bump; 14. rotating the handle; 1401. a through groove; 15. a base; 16. an electromagnetic chuck; 17. an upper end cover of the transformer; 18. a limiting pin; 19. a gasket; 20. and (5) inserting plates.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention aims to provide a transformer tap switch gear remote automatic adjusting device which is low in cost and capable of accurately, quickly and remotely automatically adjusting the tap switch gear.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Embodiment one:
the embodiment provides a remote automatic adjusting device for the tap switch gear of a transformer, as shown in fig. 1, comprising a special socket wrench for driving a rotary handle 14 to synchronously rotate; the power device is fixedly connected with the special socket wrench to drive the special socket wrench to rotate; the controller is in communication connection with the power device to remotely and automatically control the power device to work, and the remote automatic adjusting device for the tap switch gear of the transformer can remotely and automatically control the special socket spanner to drive the rotary handle 14 to rotate through the controller, so that the labor is saved, the cost is low, and the tap switch gear can be accurately and quickly adjusted.
Specifically, as shown in fig. 3-7, the special socket wrench comprises a transmission shaft 6, an outer sleeve, an inner sleeve, a first elastic element 10 and a plurality of stop blocks 13, wherein a rotary handle 14, the inner sleeve and the outer sleeve are sequentially nested from inside to outside, the outer sleeve comprises a first barrel 8 and a first upper cover 7 fixed at the upper end of the first barrel 8, the inner sleeve comprises a second barrel 12 and a second upper cover 11 fixed at the upper end of the second barrel 12, the first end of the transmission shaft 6 is fixedly connected with a power device, the second end of the transmission shaft 6 penetrates through the first upper cover 7 and the second upper cover 11 to be fixedly connected, a plurality of through grooves 1401 are circumferentially arranged on the rotary handle 14, a plurality of upper half limit vertical grooves 801 are circumferentially arranged on the first barrel 8, a plurality of lower half limit vertical grooves 1201 are circumferentially arranged on the second barrel 12, one upper half limit vertical groove 801 and one lower half limit vertical groove 1201 can form one limit vertical groove, one stop block 13 can be clamped in one limit vertical groove and one through groove 1401, a plurality of transverse limit grooves 802 are circumferentially arranged on the first barrel 8, and each transverse limit block 802 is vertically connected with each transverse limit groove 1302; the power device is a stepping motor 1, the input end of the stepping motor 1 is connected with a power supply and a controller, the output end of the stepping motor 1 is connected with the input shaft of a speed reducer 2, and the output shaft 4 of the speed reducer 2 is in transmission connection with a transmission shaft 6 of a special socket wrench through an elastic coupling 5; the controller is a PLC controller; optionally, the first elastic member 10 is a spring piece, the number of the stoppers 13 is 7, the number of the through slots 1401 is 7, the number of the upper half limit vertical slots 801 is 7, the number of the lower half limit vertical slots 1201 is 7, and the number of the limit horizontal slots 802 is 7.
In a specific use process, firstly, the inner sleeve and the outer sleeve are sleeved outside the rotary handle 14 according to the sequence, one stop block 13 is aligned with a through groove 1401 and a limiting vertical groove, then the outer sleeve is slightly rotated left and right and is pressed downwards, the stop block 13 is forced to be embedded in the through groove 1401 of the rotary handle 14 of the tapping switch by the extrusion of the outer sleeve, at the moment, the outer sleeve is rotated to enable a lug 1302 to be clamped in a transverse groove, and at the moment, the power device is controlled by the controller to drive the transmission shaft 6 to rotate so as to drive the rotary handle 14 of the tapping switch to rotate, so that the aim of adjusting the gear is achieved.
In order to fix the outer sleeve, the inner sleeve and the rotary handle 14 more firmly, as shown in fig. 7, the stop 13 includes an inclined surface section 1301, and the upper half limiting vertical groove 801 abuts against the inclined surface section 1301 to make the stop 13 clamped in the through groove 1401.
In order to facilitate the resetting of the outer sleeve, as shown in fig. 3, a second elastic member 9 for resetting the outer sleeve is arranged between the outer sleeve and the inner sleeve, and optionally, the second elastic member 9 is a spring.
In order to limit the movement of the outer sleeve along the axial direction of the transmission shaft 6, as shown in fig. 3, the remote automatic gear adjusting device for the tapping switch of the transformer further comprises a limiting pin 18 for limiting the position of the outer sleeve, wherein the limiting pin 18 is fixedly connected with the transmission shaft 6, optionally, a through hole perpendicular to the axial direction of the transmission shaft 6 is arranged on the transmission shaft 6, one end of the limiting pin 18 penetrates through the through hole and extends out, and a gasket 19 for supporting the limiting pin 18 is arranged on the first upper cover 7.
In order to facilitate the fixing of the power device and make the power device more stable, as shown in fig. 1, the remote automatic adjusting device for the tap switch gear of the transformer further comprises a bracket 3, the power device is supported on the bracket 3, the bracket 3 is fixedly connected with an upper end cover 17 of the transformer, and specifically, the motor and the speed reducer 2 are supported on the bracket 3.
In order to facilitate the assembly and disassembly of the bracket 3, as shown in fig. 2, the bracket 3 is fixed on the upper end cover 17 of the transformer through an electromagnetic chuck 16.
In addition, it should be noted that the rotary handle 14 is a part of the tap changer, and when the tap changer of the transformer needs to perform gear adjustment, the rotary handle 14 needs to be lifted first, and then the rotary handle 14 can be rotated to adjust the internal tapping position. In normal operation, after the tapping position is adjusted, the tapping switch rotary handle 14 will sink to the initial position under the action of the internal device, where the tapping switch rotary handle 14 is locked and cannot rotate, so as to ensure that the tapping position of the transformer will not change in operation. In order to realize remote automatic adjustment of tap changer gear, the tap changer rotary handle 14 is required to be always at the lifting position, and when the remote automatic adjustment device for tap changer gear of the transformer provided by the embodiment is used, the plugboard 20 is arranged between the rotary handle 14 and the base 15 of the tap changer, and the plugboard 20 supports the tap changer rotary handle 14 so as to ensure that the tap changer rotary handle 14 is always at the lifting position.
The principles and embodiments of the present invention have been described in this specification with reference to specific examples, the description of which is only for the purpose of aiding in understanding the method of the present invention and its core ideas; also, it is within the scope of the present invention to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the invention.
Claims (6)
1. The remote automatic adjusting device for the tap switch gear of the transformer is characterized by comprising,
a special socket wrench for driving the rotary handle to synchronously rotate;
the power device is fixedly connected with the special socket wrench to drive the special socket wrench to rotate;
the controller is in communication connection with the power device to remotely and automatically control the power device to work;
the special socket spanner comprises a transmission shaft, an outer sleeve, an inner sleeve, a first elastic piece and a plurality of check blocks, wherein the rotary handle, the inner sleeve and the outer sleeve are sequentially nested from inside to outside, the outer sleeve comprises a first cylinder body and a first upper cover fixed at the upper end of the first cylinder body, the inner sleeve comprises a second cylinder body and a second upper cover fixed at the upper end of the second cylinder body, the first end of the transmission shaft is fixedly connected with the power device, the second end of the transmission shaft penetrates through the first upper cover and the second upper cover, a plurality of through grooves are formed in the circumference of the rotary handle, a plurality of upper half limit vertical grooves are formed in the circumference of the first cylinder body, one upper half limit vertical groove and one lower half limit vertical groove can form a limit vertical groove, one check block can be clamped in one limit vertical groove and one through groove, the first end of the transmission shaft penetrates through the first upper cover and the second upper cover and is fixedly connected with the second upper cover, a plurality of through grooves are formed in the circumference of vertical grooves, one transverse groove and one vertical groove is abutted to the first sleeve, and one transverse groove is formed in the transverse groove and one vertical groove is vertically opposite to the first sleeve groove.
2. The remote automatic adjustment device for the tap changer gear of a transformer according to claim 1, further comprising a limit pin for limiting the position of the outer sleeve, the limit pin being in driving connection with the drive shaft.
3. The remote automatic adjusting device for the tap changer gear of the transformer according to claim 1, wherein the power device is a stepping motor, an output end of the stepping motor is connected with an input shaft of a speed reducer, and an output shaft of the speed reducer is in transmission connection with the special socket wrench.
4. The remote automatic adjustment device for the tap changer gear of a transformer according to claim 1, further comprising a bracket, wherein the power device is supported on the bracket, and wherein the bracket is fixedly connected with an upper end cover of the transformer.
5. The remote automatic adjustment device for the tap changer gear of a transformer according to claim 4, wherein the bracket is fixed on the upper end cover of the transformer through an electromagnetic chuck.
6. The remote automatic adjustment device for the tap changer gear of a transformer according to claim 1, wherein the controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623018.XA CN110233073B (en) | 2019-07-11 | 2019-07-11 | Remote automatic adjusting device for tap switch gear of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910623018.XA CN110233073B (en) | 2019-07-11 | 2019-07-11 | Remote automatic adjusting device for tap switch gear of transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110233073A CN110233073A (en) | 2019-09-13 |
| CN110233073B true CN110233073B (en) | 2024-03-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910623018.XA Active CN110233073B (en) | 2019-07-11 | 2019-07-11 | Remote automatic adjusting device for tap switch gear of transformer |
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| CN (1) | CN110233073B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111863471B (en) * | 2020-07-04 | 2022-12-09 | 华翔翔能科技股份有限公司 | Automatic gear shifting device for tap switch of distribution transformer |
| CN113064104A (en) * | 2021-03-17 | 2021-07-02 | 安徽莱特实业集团有限公司 | Full-automatic transformation ratio and direct current resistance testing device |
| CN113744955B (en) * | 2021-09-08 | 2024-04-09 | 江苏容天机电科技有限公司 | Voltage-adjustable oil immersed transformer |
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| JP3123425U (en) * | 2006-05-02 | 2006-07-20 | ▲そう▼▲とく▼ 林 | Socket wrench that can quickly change the direction of rotation and remove the socket |
| JP3175818U (en) * | 2012-03-09 | 2012-05-31 | 慶騰精密科技股▲ふん▼有限公司 | Manual and automatic shiftable power tools |
| CN102729190A (en) * | 2012-07-02 | 2012-10-17 | 南京德朔实业有限公司 | Self-locking structure for socket of electronic wrench |
| CN206811823U (en) * | 2017-05-17 | 2017-12-29 | 周荣涛 | A kind of fast-open type spanner |
| CN108549314A (en) * | 2018-04-25 | 2018-09-18 | 广东电网有限责任公司 | Testing transformer automatic gear shifting device and transformer |
| CN108789285A (en) * | 2018-07-18 | 2018-11-13 | 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-shiftings |
| CN209843536U (en) * | 2019-07-11 | 2019-12-24 | 山东双益电气有限责任公司 | Remote automatic adjusting device for tap changer gear of transformer |
-
2019
- 2019-07-11 CN CN201910623018.XA patent/CN110233073B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3123425U (en) * | 2006-05-02 | 2006-07-20 | ▲そう▼▲とく▼ 林 | Socket wrench that can quickly change the direction of rotation and remove the socket |
| JP3175818U (en) * | 2012-03-09 | 2012-05-31 | 慶騰精密科技股▲ふん▼有限公司 | Manual and automatic shiftable power tools |
| CN102729190A (en) * | 2012-07-02 | 2012-10-17 | 南京德朔实业有限公司 | Self-locking structure for socket of electronic wrench |
| CN206811823U (en) * | 2017-05-17 | 2017-12-29 | 周荣涛 | A kind of fast-open type spanner |
| CN108549314A (en) * | 2018-04-25 | 2018-09-18 | 广东电网有限责任公司 | Testing transformer automatic gear shifting device and transformer |
| CN108789285A (en) * | 2018-07-18 | 2018-11-13 | 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-shiftings |
| CN209843536U (en) * | 2019-07-11 | 2019-12-24 | 山东双益电气有限责任公司 | Remote automatic adjusting device for tap changer gear of transformer |
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| CN110233073A (en) | 2019-09-13 |
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