CN209843536U - Remote automatic adjusting device for tap changer gear of transformer - Google Patents
Remote automatic adjusting device for tap changer gear of transformer Download PDFInfo
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- CN209843536U CN209843536U CN201921078527.0U CN201921078527U CN209843536U CN 209843536 U CN209843536 U CN 209843536U CN 201921078527 U CN201921078527 U CN 201921078527U CN 209843536 U CN209843536 U CN 209843536U
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- transformer
- tap changer
- socket wrench
- limiting
- remote automatic
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Abstract
The utility model discloses a transformer tapping switch gear remote automatic adjusting device, which relates to the technical field of transformer measurement automation, and comprises a special socket wrench for driving a rotating handle to rotate synchronously; the power device is fixedly connected with the special socket wrench so as to drive the special socket wrench to rotate; the controller is in communication connection with the power device and works with the remote automatic control power device, and the remote automatic adjusting device for the tap changer gear of the transformer can remotely and automatically control the special socket wrench to drive the rotating handle of the tap changer to rotate, so that manpower is saved, the cost is low, and the tap changer gear can be accurately and quickly adjusted.
Description
Technical Field
The utility model relates to a transformer measurement automation technology field especially relates to a long-range automatic adjusting device of transformer tapping switch gear.
Background
The tap changer gear of the transformer needs to be adjusted for many times in the measurement process of the direct current resistance and the transformation ratio of the transformer, so that the direct current resistance and the transformation ratio of each gear can be obtained. The specific positions of the gears are determined by operators, the manual factors such as the quality and the responsibility of the operators can cause great interference on test results, a full-time tester needs to be responsible for adjusting the gears of the tap changer, and the rotating handle of the tap changer needs to be manually twisted back and forth for many times 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 platform or pole, frequently comes and goes, climbs the transformer rack and has increased intensity of labour for operating personnel, has also increased the safe risk of work, causes the potential safety hazard easily.
Therefore, it is an urgent need to solve the problem of providing an automatic tap changer gear adjustment device with low cost, which can accurately, quickly and remotely adjust the tap changer gear automatically.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem, the utility model provides a with low costs, and can be accurate, quick, the long-range automatic adjustment device of transformer tapping switch gear of long-range automatically regulated tapping switch gear.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a remote automatic gear adjusting device of a tapping switch of a transformer, which comprises a special socket wrench for driving a rotating handle to rotate synchronously; the power device is fixedly connected with the special socket wrench so as 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 part and a plurality of stop blocks, the rotating handle, the inner sleeve and the outer sleeve are sequentially nested from inside to outside, the outer sleeve comprises a first barrel and a first upper cover fixed at the upper end of the first barrel, the inner sleeve comprises a second barrel and a second upper cover fixed at the upper end of the second barrel, 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 is fixedly connected with the second upper cover, a plurality of through grooves are formed in the circumferential direction of the rotating handle, a plurality of upper half limiting vertical grooves are formed in the circumferential direction of the first barrel, a plurality of lower half limiting vertical grooves are formed in the circumferential direction of the second barrel, one upper half limiting vertical groove and one lower half limiting vertical groove can form one limiting vertical groove, one the dog can joint in one spacing perpendicular groove and one lead to the inslot, just first barrel circumference is provided with a plurality of spacing cross slots, one spacing cross slot perpendicular to one spacing perpendicular groove and with spacing perpendicular groove intercommunication, each all be provided with on the dog can the joint in spacing cross slot is interior.
Preferably, the stopper includes an inclined plane section, and the upper half limiting vertical groove is abutted to the inclined plane section so that the stopper is clamped in the through groove.
Preferably, a second elastic member for restoring the outer sleeve is disposed between the outer sleeve and the inner sleeve.
Preferably, the remote automatic gear adjusting device for the tap changer 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, 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 fixedly connected with the special socket wrench.
Preferably, the remote automatic gear adjusting device for the tap changer of the transformer further comprises a support, the power device is supported on the support, and the support is fixedly connected with the 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.
The utility model discloses for prior art gain following technological effect:
the utility model discloses a remote automatic gear adjusting device of a tapping switch of a transformer, which comprises a special socket wrench for driving a rotating handle to rotate synchronously; the power device is fixedly connected with the special socket wrench so as to drive the special socket wrench to rotate; the controller is in communication connection with the power device and works with the remote automatic control power device, and the remote automatic adjusting device for the tap changer gear of the transformer can remotely and automatically control the special socket wrench to drive the rotating handle to rotate through the controller, so that manpower is saved, the cost is low, and the tap changer 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 required to be used 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a remote automatic gear adjustment device for a tapping switch of a transformer provided in an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
fig. 3 is a schematic structural diagram of a special socket wrench provided in an embodiment of the present invention;
fig. 4 is a schematic structural view of an outer sleeve of a special socket wrench provided in an embodiment of the present invention;
fig. 5 is a schematic structural diagram of an inner sleeve of a special socket wrench according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a rotating handle provided in an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a stopper provided in an embodiment of the present invention.
Description of reference numerals: 1. a stepping motor; 2. a speed reducer; 3. a support; 4. an output shaft; 5. an elastic coupling; 6. a drive shaft; 7. a first upper cover; 8. a first cylinder; 801. an upper half limit vertical slot; 802. a limiting 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 limit vertical slot; 13. a stopper; 1301. a slope 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 spacing pin; 19. a gasket; 20. and (4) inserting plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model aims at providing a with low costs, and can be accurate, quick, the long-range automatic adjusting device of transformer tapping switch gear of long-range automatically regulated tapping switch gear.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
The first embodiment is as follows:
the embodiment provides a remote automatic gear adjusting device for a tap changer of a transformer, which comprises a special socket wrench for driving a rotating handle 14 to rotate synchronously, as shown in fig. 1; the power device is fixedly connected with the special socket wrench so as to drive the special socket wrench to rotate; the controller is in communication connection with the power device and works with the remote automatic control power device, and the remote automatic adjusting device for the tap changer gear of the transformer can remotely and automatically control the special socket wrench to drive the rotating handle 14 to rotate through the controller, so that manpower is saved, the cost is low, and the tap changer gear can be accurately and quickly adjusted.
Specifically, as shown in fig. 3-7, the special socket wrench includes a transmission shaft 6, an outer sleeve, an inner sleeve, a first elastic member 10 and a plurality of stoppers 13, the rotating handle 14, the inner sleeve and the outer sleeve are sequentially nested from inside to outside, the outer sleeve includes a first cylinder 8 and a first upper cover 7 fixed on the upper end of the first cylinder 8, the inner sleeve includes a second cylinder 12 and a second upper cover 11 fixed on the upper end of the second cylinder 12, the first end of the transmission shaft 6 is fixedly connected with the power device, the second end of the transmission shaft 6 penetrates through the first upper cover 7 and is fixedly connected with the second upper cover 11, a plurality of through grooves 1401 are arranged in the circumferential direction of the rotating handle 14, a plurality of upper half vertical limiting grooves 801 are arranged in the circumferential direction of the first cylinder 8, a plurality of lower half vertical limiting grooves 1201 are arranged in the circumferential direction of the second cylinder 12, one upper half vertical limiting groove 801 and one lower half vertical groove 1201 can form one limiting vertical, one stop block 13 can be clamped in one limiting vertical groove and one through groove 1401, a plurality of limiting transverse grooves 802 are circumferentially arranged on the first barrel 8, one limiting transverse groove 802 is perpendicular to one limiting vertical groove and is communicated with the limiting vertical groove, and each stop block 13 is provided with a lug 1302 which can be clamped in the limiting transverse groove 802; 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 plate, 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 the specific use process, firstly, the inner sleeve and the outer sleeve are sleeved outside the rotary handle 14 in sequence, one stop block 13 is aligned with one through groove 1401 and one limiting vertical groove, then, the outer sleeve is slightly rotated left and right and pressed downwards, the stop block 13 is forced to be embedded in the through groove 1401 of the rotary handle 14 of the tap changer through extrusion of the outer sleeve, at the moment, the outer sleeve is rotated to enable one lug block 1302 to be clamped in one 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 tap changer to rotate, so that the purpose of adjusting the gear is achieved.
In order to fix the outer sleeve, the inner sleeve and the rotating handle 14 more firmly, as shown in fig. 7, the stopper 13 includes a slope section 1301, and the upper half position-limiting vertical groove 801 abuts against the slope section 1301 so that the stopper 13 is clamped in the through groove 1401.
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 tap changer of the transformer further comprises a limit pin 18 for limiting the position of the outer sleeve, the limit 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 limit pin 18 passes through the through hole and extends out, and a gasket 19 for supporting the limit pin 18 is arranged on the first upper cover 7.
In order to facilitate the fixing of the power device and to make the power device more stable, as shown in fig. 1, the remote automatic gear adjustment device for the tap changer 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 mounting and dismounting of the bracket 3, as shown in fig. 2, the bracket 3 is fixed to an upper end cover 17 of the transformer by an electromagnetic chuck 16.
In addition, it should be noted that the rotating handle 14 is a part of the tap changer, and when the tap changer of the transformer needs to perform gear adjustment, the rotating handle 14 needs to be lifted first, and then the rotating handle 14 can be rotated to adjust the internal tap position. In the normal operation process, after the adjustment of the tapping position is completed, the rotary handle 14 of the tapping switch sinks to the initial position under the action of the internal device, and at the position, the rotary handle 14 of the tapping switch is locked and cannot rotate, so that the tapping position of the transformer is ensured not to be changed in the working process. In order to realize the remote automatic adjustment of tap changer gear, the tap changer rotating handle 14 needs to be always at the lifting position, and when the device for remotely and automatically adjusting tap changer gear of a transformer provided by the embodiment is used, the inserting plate 20 is arranged between the rotating handle 14 and the base 15 of the tap changer, and the inserting plate 20 supports the tap changer rotating handle 14 so as to ensure that the tap changer rotating handle 14 is always at the lifting position.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (9)
1. A remote automatic gear adjusting device for a tap changer of a transformer is characterized by comprising,
the special socket wrench is used for driving the rotating handle to rotate synchronously;
the power device is fixedly connected with the special socket wrench so as 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.
2. The remote automatic gear adjustment device for the tap changer of the transformer according to claim 1, wherein the special socket wrench comprises a transmission shaft, an outer sleeve, an inner sleeve, a first elastic member and a plurality of stoppers, the rotating handle, the inner sleeve and the outer sleeve are sequentially nested from inside to outside, the outer sleeve comprises a first cylinder and a first upper cover fixed on an upper end of the first cylinder, the inner sleeve comprises a second cylinder and a second upper cover fixed on an upper end of the second cylinder, a first end of the transmission shaft is fixedly connected with the power device, a second end of the transmission shaft penetrates through the first upper cover and is fixedly connected with the second upper cover, a plurality of through grooves are arranged in the circumferential direction of the rotating handle, a plurality of upper half vertical grooves are arranged in the circumferential direction of the first cylinder, a plurality of lower half vertical grooves are arranged in the circumferential direction of the second cylinder, one first limiting vertical groove and one second limiting vertical groove can form a limiting vertical groove, one stop block can be connected in one limiting vertical groove and one through groove in a clamped mode, a plurality of limiting transverse grooves are circumferentially arranged on the first barrel, one limiting transverse groove is perpendicular to one limiting vertical groove and communicated with the limiting vertical grooves, and each stop block is provided with a convex block which can be connected in the limiting transverse grooves in a clamped mode.
3. The device for remotely and automatically adjusting the gear of a tap changer of a transformer according to claim 2, wherein the stopper comprises an inclined section, and the upper half limiting vertical groove abuts against the inclined section so that the stopper is clamped in the through groove.
4. The remote automatic transformer tap changer gear adjustment device of claim 2, wherein a second resilient member is provided between the outer sleeve and the inner sleeve for resetting the outer sleeve.
5. The remote automatic transformer tap changer gear adjustment device of claim 2, further comprising a limit pin for limiting the position of the outer sleeve, the limit pin being in driving connection with the drive shaft.
6. The remote automatic gear adjustment device for the tap changer 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.
7. The device for remotely and automatically adjusting the tap changer gear of a transformer of claim 1, further comprising a bracket, wherein the power device is supported on the bracket, and the bracket is fixedly connected with the upper end cover of the transformer.
8. The device for remotely automatically adjusting the tap changer gear of a transformer of claim 7, wherein said bracket is secured to said transformer upper end cap by an electromagnetic chuck.
9. The device of claim 1, wherein the controller is a PLC controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078527.0U CN209843536U (en) | 2019-07-11 | 2019-07-11 | Remote automatic adjusting device for tap changer gear of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921078527.0U CN209843536U (en) | 2019-07-11 | 2019-07-11 | Remote automatic adjusting device for tap changer gear of transformer |
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| Publication Number | Publication Date |
|---|---|
| CN209843536U true CN209843536U (en) | 2019-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921078527.0U Active CN209843536U (en) | 2019-07-11 | 2019-07-11 | Remote automatic adjusting device for tap changer gear of transformer |
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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 |
-
2019
- 2019-07-11 CN CN201921078527.0U patent/CN209843536U/en active Active
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 |
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