CN210957526U - Device is changed to ground connection switch spring - Google Patents
Device is changed to ground connection switch spring Download PDFInfo
- Publication number
- CN210957526U CN210957526U CN201922112061.8U CN201922112061U CN210957526U CN 210957526 U CN210957526 U CN 210957526U CN 201922112061 U CN201922112061 U CN 201922112061U CN 210957526 U CN210957526 U CN 210957526U
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- switch spring
- gear
- screw rod
- nut
- motor
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- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract 1
- 230000002457 bidirectional effect Effects 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model provides a device is changed to ground connection switch spring, including top board, holding down plate, effort conduction part and gear part, wherein effort conduction system includes two-way screw rod, upper nut and lower nut, the gear part includes transmitting gear and driven gear. Use the utility model provides a device is changed to ground connection switch spring utilizes rolling gear's quick rotation to carry out mutual interlock with the gear on the two-way screw rod, reach upper and lower clamp plate and stretch out and draw back fast, thereby realize the quick replacement of ground connection switch spring between top board and the lower clamp plate. Compared with the traditional manual operation, use the utility model provides a device is changed to ground connection switch spring operates and to make the installation change work simpler convenient, and the maintenance of being convenient for personnel operate, improves work efficiency, reduces the operation risk point.
Description
Technical Field
The utility model belongs to the technical field of the power equipment technique and specifically relates to a device is changed to ground connection switch spring is related to.
Background
The quick grounding disconnecting link is primary equipment in a transformer substation, after a circuit operation breaker has a power failure, the disconnecting switch pulled by the quick grounding disconnecting link in a matched mode can enable the switch cabinet to be in a grounding maintenance state, and the power failure part of the maintained equipment is guaranteed to be reliably grounded, so that the personal safety of maintenance personnel is guaranteed. However, as the switch cabinet is put into operation gradually, the quick grounding knife switch gradually has faults of spring fracture, spring top rubber damage and the like. Therefore, the reliability directly influences the personal safety of the maintainers, and once the spring falls, the whole switch cabinet is possibly grounded. And the cubical switchboard space is narrow, consequently in case the trouble that the spring fracture, spring top glue damage appear, it is more difficult and consuming time longer to change the damage component, has seriously influenced maintenance efficiency.
Disclosure of Invention
The utility model relates to a solve above-mentioned technical problem, provide a device is changed to ground connection switch spring, it can make the installation work simpler convenient, reduces manual operation, reduces the operation risk point, improves maintenance efficiency.
The technical solution of the utility model is that:
the utility model provides a device is changed to ground connection switch spring, includes top board, holding down plate, effort conduction part and gear part, wherein effort conduction system includes two-way screw rod, upper nut and lower nut, the upper nut is fixed in two-way screw rod upper portion, passes through threaded connection with two-way screw rod, the lower nut is fixed in two-way screw rod lower part, passes through threaded connection with two-way screw rod, top board and upper nut fixed connection, holding down plate and lower nut fixed connection, its special character lies in: the gear part comprises a rotating gear and a driven gear, wherein the driven gear is provided with an opening, the two-way screw penetrates through the opening of the driven gear, the driven gear is fixed in the middle of the two-way screw, the rotating gear and the driven gear are meshed with each other, and the rotating gear is connected with the motor through a rotating shaft.
Furthermore, the motor is connected with a power supply, and a switch is arranged between the motor and the power supply.
Further, the motor is a direct current motor, and the power supply is a direct current power supply.
Further, a motor shell is arranged outside the motor.
Furthermore, the contact end of the upper pressure plate and the disconnecting link spring is higher than the end connected with the upper nut, and the contact end of the lower pressure plate and the disconnecting link spring is lower than the end connected with the lower nut. The structure can effectively shorten the length of the bidirectional screw rod, and the longer disconnecting link spring can be controlled by using the shorter bidirectional screw rod.
Furthermore, the upper pressing plate is connected with the lower pressing plate through a rotating plate, the upper pressing plate is rotatably connected with the rotating plate, and the lower pressing plate is rotatably connected with the rotating plate. The rotating plate is arranged to ensure that the upper and lower pressing plates can only move up and down but can not move left and right in a cross way, and the effect of combining the whole tool is achieved.
The utility model has the advantages that:
the motor is used for driving the driving gear to rotate rapidly, and the driving gear and the gear on the bidirectional screw are meshed with each other, so that the upper pressing plate and the lower pressing plate stretch rapidly, and the grounding switch spring is replaced rapidly. Compared with traditional manual operation, the installation work can be simpler and more convenient by using special tools for operation, the manual operation is reduced, the operation risk point is reduced, and the overhaul efficiency is improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic structural view of the grounding switch spring replacing device of the present invention;
fig. 2 is a top view of the driven gear of the present invention;
fig. 3 is a schematic structural view of the middle driven gear and the bidirectional screw rod of the present invention.
In the figure: 1. the device comprises an upper pressure plate, a lower pressure plate, a bidirectional screw rod, a screw rod, an upper nut, a driven gear, a rotating plate, a motor, a power supply, a switch, a knife switch spring, a rotating gear, a lower nut and a switch, wherein the upper pressure plate 2, the lower pressure plate 3, the bidirectional screw rod 4, the upper nut 5, the driven gear 6, the rotating plate 7.
Detailed Description
In order to enhance the understanding of the present invention, the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the knife switch spring replacing device of the present embodiment comprises an upper pressing plate 1, a lower pressing plate 2, a force transmission part and a gear part, wherein the acting force transmission system comprises a bidirectional screw rod 3, an upper nut 4 and a lower nut 12, the upper nut 4 is fixed on the upper part of the bidirectional screw rod 3, is connected with the bidirectional screw rod 3 through screw threads, the lower nut 12 is fixed at the lower part of the bidirectional screw rod 3, is connected with a bidirectional screw rod 3 through threads, the upper pressure plate 1 is fixedly connected with an upper nut 4, the lower pressure plate 2 is fixedly connected with a lower nut 12, the gear part comprises a rotating gear 11 and a driven gear 5, wherein the driven gear 5 is provided with an opening, the bidirectional screw 3 passes through the opening of the driven gear 5, the driven gear 5 is fixed in the middle of the bidirectional screw rod 3, the rotating gear 11 is meshed with the driven gear 5, and the rotating gear 11 is connected with the motor 7 through a rotating shaft.
In this embodiment, the motor 7 is connected to the power supply 8, and a switch 9 is disposed between the motor 7 and the power supply 8.
In this embodiment, the motor 7 is a dc motor, and the power supply 8 is a dc power supply.
In this embodiment, a motor housing is provided outside the motor 7.
In this embodiment, a contact end of the upper pressing plate 1 and the switch spring 10 is higher than a connection end of the upper nut 4, and a contact end of the lower pressing plate 2 and the switch spring 10 is lower than a connection end of the lower nut 12.
In this embodiment, the upper pressing plate 1 is connected with the lower pressing plate 2 through the rotating plate 6, the upper pressing plate 1 is rotatably connected with the rotating plate 6, and the lower pressing plate 2 is rotatably connected with the rotating plate 6.
In this embodiment, the rotating plate 6 has a rotating shaft in the middle.
Before the use, firstly the switch 9 is closed, the motor 7 starts to operate, the rotating gear 11 is driven through the motor rotating shaft, the rotating gear 11 drives the driven gear 5 and the two-way screw rod 3 to rotate, and the upper nut 4 on the two-way screw rod 3 moves upwards through threads to drive the upper pressure plate 1 to move upwards. Meanwhile, the lower nut 12 on the bidirectional screw rod 3 moves downwards through threads, and drives the lower pressing plate 2 to move downwards. Along with the change of the distance between the upper pressing plate 1 and the lower pressing plate 2, the knife switch spring 10 also changes in a telescopic mode, and therefore the quick replacement of the grounding knife switch spring 10 is achieved.
The above description is only an example of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a device is changed to ground connection switch spring, includes top board, holding down plate, effort conduction part and gear part, wherein effort conduction system includes two-way screw rod, upper nut and lower nut, the upper nut is fixed in two-way screw rod upper portion, passes through threaded connection with two-way screw rod, the lower nut is fixed in two-way screw rod lower part, passes through threaded connection with two-way screw rod, top board and upper nut fixed connection, holding down plate and lower nut fixed connection, its characterized in that: the gear part comprises a rotating gear and a driven gear, wherein the driven gear is provided with an opening, the two-way screw penetrates through the opening of the driven gear, the driven gear is fixed in the middle of the two-way screw, the rotating gear and the driven gear are meshed with each other, and the rotating gear is connected with the motor through a rotating shaft.
2. The grounding switch spring replacing device as claimed in claim 1, wherein: the motor is connected with the power supply, and a switch is arranged between the motor and the power supply.
3. The grounding switch spring replacing device as claimed in claim 2, wherein: the motor is a direct current motor, and the power supply is a direct current power supply.
4. The grounding switch spring replacing device as claimed in claim 1, wherein: and a motor shell is arranged outside the motor.
5. The grounding switch spring replacing device as claimed in claim 1, wherein: the contact end of the upper pressure plate and the switch spring is higher than the end connected with the upper nut, and the contact end of the lower pressure plate and the switch spring is lower than the end connected with the lower nut.
6. The grounding switch spring replacing device as claimed in claim 1, wherein: the upper pressing plate is connected with the lower pressing plate through a rotating plate, the upper pressing plate is rotatably connected with the rotating plate, and the lower pressing plate is rotatably connected with the rotating plate.
7. The grounding switch spring replacing device of claim 6, wherein: the middle part of the rotating plate is provided with a rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922112061.8U CN210957526U (en) | 2019-12-01 | 2019-12-01 | Device is changed to ground connection switch spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922112061.8U CN210957526U (en) | 2019-12-01 | 2019-12-01 | Device is changed to ground connection switch spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210957526U true CN210957526U (en) | 2020-07-07 |
Family
ID=71399730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922112061.8U Active CN210957526U (en) | 2019-12-01 | 2019-12-01 | Device is changed to ground connection switch spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210957526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635268A (en) * | 2020-11-17 | 2021-11-12 | 国网山东省电力公司东明县供电公司 | A installation repair tools for switch |
-
2019
- 2019-12-01 CN CN201922112061.8U patent/CN210957526U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113635268A (en) * | 2020-11-17 | 2021-11-12 | 国网山东省电力公司东明县供电公司 | A installation repair tools for switch |
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