CN220208808U - High-voltage grounding switch - Google Patents
High-voltage grounding switch Download PDFInfo
- Publication number
- CN220208808U CN220208808U CN202322091987.XU CN202322091987U CN220208808U CN 220208808 U CN220208808 U CN 220208808U CN 202322091987 U CN202322091987 U CN 202322091987U CN 220208808 U CN220208808 U CN 220208808U
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- fixedly connected
- bevel gear
- rod
- base
- rotating
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- 239000012212 insulator Substances 0.000 claims abstract description 15
- 230000003068 static effect Effects 0.000 claims abstract description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of high-voltage equipment, and particularly relates to a high-voltage grounding switch, which comprises a base, wherein a plurality of insulators are fixedly connected to the base, and static contacts are fixedly connected to the insulators; the base is rotatably connected with a rotating shaft, and a plurality of moving contacts matched with the fixed contacts are fixedly connected on the rotating shaft; a driving cavity is fixedly connected to the base, and a driving bevel gear fixedly connected with the rotating shaft is arranged in the driving cavity; the driving bevel gear is meshed with a driven bevel gear, and the driven bevel gear is coaxially and fixedly connected with a rotating rod; the driven bevel gear is coaxially and rotatably connected with a driven rod, and a tension spring matched with the driven rod is arranged on the rotating rod; the base is connected with a sliding frame in a sliding manner, a plurality of supporting rods are rotatably connected to the sliding frame, and the plurality of supporting rods are rotatably connected with the plurality of moving contacts; the utility model effectively solves the problem that the existing movable contact and the existing fixed contact are poor in connection effect.
Description
Technical Field
The utility model belongs to the technical field of high-voltage equipment, and particularly relates to a high-voltage grounding switch.
Background
The high-voltage grounding switch is a mechanical grounding device for releasing static charges of overhauled equipment and circuits and ensuring personal safety of overhaulers during power failure overhauling. It can withstand current for a certain period of time in abnormal situations (e.g. short circuit) but not normally through load current. Which is typically part of an isolating switch.
However, when the existing high-voltage grounding switch is used, the moving contact is in close contact with the fixed contact through the action of the spring, but when the existing spring is used, the deformation is smaller (namely the acting force on the moving contact is smaller), so that the contact tightness of the moving contact and the fixed contact is lower, and the connecting effect of the moving contact and the fixed contact is affected; in addition, the movable contact is connected with the fixed contact through rotation of the rotating shaft, but long-time use is easy to cause deformation of the movable contact, so that the connection effect of the movable contact and the fixed contact is poor, and normal use of the grounding switch is affected.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the high-voltage grounding switch, which effectively solves the problem that the existing moving contact and the existing fixed contact are poor in connection effect.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the high-voltage grounding switch comprises a base, wherein a plurality of insulators are fixedly connected to the base, and a fixed contact is fixedly connected to each of the insulators; the base is rotatably connected with a rotating shaft, and a plurality of moving contacts matched with the fixed contacts are fixedly connected on the rotating shaft; a driving cavity is fixedly connected to the base, and a driving bevel gear fixedly connected with the rotating shaft is arranged in the driving cavity; the driving bevel gear is meshed with a driven bevel gear, and the driven bevel gear is coaxially and fixedly connected with a rotating rod; the driven bevel gear is coaxially and rotatably connected with a driven rod, and a tension spring matched with the driven rod is arranged on the rotating rod; the base is connected with a sliding frame in a sliding mode, a plurality of supporting rods are connected to the sliding frame in a rotating mode, and the supporting rods are connected with the moving contacts in a rotating mode.
Further, a supporting plate is arranged in the driving cavity, the rotating rod is rotationally connected with the supporting plate, and a pair of limiting columns matched with the rotating rod are arranged on the supporting plate.
Further, a guide rod is fixedly connected to the base, and the sliding frame is connected with the guide rod in a sliding mode.
Further, the sliding frame comprises a U-shaped frame which is in sliding connection with the guide rod, a horizontal frame is fixedly connected to the U-shaped frame, and the support rod is in rotary connection with the horizontal frame.
Further, a spline groove is formed in the rotation, and a spline block matched with the spline groove is arranged on the moving contact.
Further, the static contact comprises a mounting plate connected with the insulator, and a fixing bolt matched with the insulator is arranged on the mounting plate; the mounting plate is vertically and fixedly connected with a connecting plate, and the moving contact is provided with a clamping groove matched with the connecting plate.
Further, a handle is fixedly connected to the rotating shaft.
Compared with the prior art, the utility model has the beneficial effects that:
1. when the movable contact is used, through the arrangement of the rotating rod, the driven rod, the driving bevel gear, the driven bevel gear and the like, the rotating rod is matched with the driven rod to draw the tension spring to the maximum length, the tension spring reacts with the rotating rod, and the rotating rod rapidly drives the movable contact to be attached to the fixed contact through the driven bevel gear, the driving bevel gear and the rotating shaft, so that the effect of connecting the movable contact with the fixed contact is improved.
2. When the movable contact is used, the support rod and the sliding frame are arranged, so that the movable contact drives the support rod to move when the movable contact rotates, the support rod drives the sliding frame to slide along the base, and the movable contact can be effectively prevented from deforming to one side by the arrangement of the support rod, so that the stability of the movable contact is improved, and the connection stability of the movable contact and the fixed contact is further improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the driving chamber according to the present utility model;
in the figure: 1. the device comprises a base, 2, a driving cavity, 3, a handle, 4, an insulator, 5, a fixed contact, 6, a moving contact, 7, a rotating shaft, 8, a supporting rod, 9, a guide rod, 10, a sliding frame, 11, a driving bevel gear, 12, a driven bevel gear, 13, a rotating rod, 14, a tension spring, 15 and a driven rod.
Detailed Description
The high-voltage grounding switch comprises a base 1, wherein a plurality of insulators 4 are fixedly connected to the base 1, and a fixed contact 5 is fixedly connected to the insulators 4; a rotating shaft 7 is rotatably connected to the base 1, and a plurality of moving contacts 6 matched with the fixed contacts 5 are fixedly connected to the rotating shaft 7; a driving cavity 2 is fixedly connected to the base 1, and a driving bevel gear 11 fixedly connected with a rotating shaft 7 is arranged in the driving cavity 2; the driving bevel gear 11 is meshed with a driven bevel gear 12, and the driven bevel gear 12 is coaxially and fixedly connected with a rotating rod 13; the driven bevel gear 12 is coaxially and rotatably connected with a driven rod 15, and a tension spring 14 matched with the driven rod 15 is arranged on the rotating rod 13; the base 1 is connected with a sliding frame 10 in a sliding manner, a plurality of supporting rods 8 are connected to the sliding frame 10 in a rotating manner, and a plurality of the supporting rods 8 are connected with a plurality of the movable contacts 6 in a rotating manner.
When the utility model is used, the main shaft drives the drive bevel gear 11 to rotate, and the drive bevel gear 11 drives the driven bevel gear 12 to rotate; the driven bevel gear 12 drives the rotating rod 13 to rotate, and the rotating rod 13 drives the driven rod 15 to rotate through the tension spring 14; when the rotating rod 13 rotates to a vertical state, the rotating rod 13 is matched with the driven rod 15 to draw the tension spring 14 to the longest, the driven bevel gear 12 continues to rotate, and the rotating rod 13 resets to the other side; at this time, the rotating rod 13 rapidly drives the driven bevel gear 12 to rotate under the action of the tension spring 14, the driven bevel gear 12 drives the main shaft to rapidly rotate through the drive bevel gear 11, and the main shaft drives the moving contact 6 to rapidly attach to the fixed contact 5, so that the attaching stability of the moving contact 6 and the fixed contact 5 is improved; meanwhile, the moving contact 6 drives the supporting rod 8 to move, the supporting rod 8 drives the sliding frame 10 to slide along the base 1, and the moving contact 6 can be effectively prevented from deforming to one side through the arrangement of the supporting rod 8, so that the stability of the moving contact 6 is improved, and the stability of the connection of the moving contact 6 and the fixed contact 5 is further improved.
Further, a supporting plate is arranged in the driving cavity 2, the rotating rod 13 is rotationally connected with the supporting plate, and a pair of limit posts matched with the rotating rod 13 are arranged on the supporting plate; carry out spacingly through spacing post to dwang 13 to avoid dwang 13, moving contact 6 to rotate excessively, improve the stability of this application.
Further, a guide rod 9 is fixedly connected to the base 1, a sliding frame 10 is slidably connected with the guide rod 9, and the sliding frame 10 is slidably connected with the base 1 through the guide rod 9.
Further, the sliding frame 10 comprises a U-shaped frame which is in sliding connection with the guide rod 9, a horizontal frame is fixedly connected to the U-shaped frame, and the support rod 8 is in rotary connection with the horizontal frame; through U type frame setting, can effectually reduce the size of base 1, reduce the manufacturing cost of this application.
Further, a spline groove is formed in the rotation, a spline block matched with the spline groove is arranged on the moving contact 6, and the moving contact 6 is convenient to install through the matching of the spline block and the spline groove.
Further, the fixed contact 5 comprises a mounting plate connected with the insulator 4, and a fixing bolt matched with the insulator 4 is arranged on the mounting plate; a connecting plate is vertically and fixedly connected to the mounting plate, and a clamping groove matched with the connecting plate is formed in the movable contact 6; the movable contact 6 is connected with the fixed contact 5 through the matching of the clamping groove and the connecting plate.
Further, the handle 3 is fixedly connected to the rotating shaft 7, and the rotating shaft 7 is driven to rotate by the handle 3.
The working process of the utility model is as follows:
when the utility model is used, the handle 3 drives the main shaft to rotate, the main shaft drives the drive bevel gear 11 to rotate, and the drive bevel gear 11 drives the driven bevel gear 12 to rotate; the driven bevel gear 12 drives the rotating rod 13 to rotate and separate from one of the limit posts, and the rotating rod 13 drives the driven rod 15 to rotate through the tension spring 14; when the rotating rod 13 rotates to a vertical state, the rotating rod 13 is matched with the driven rod 15 to draw the tension spring 14 to the longest, the driven bevel gear 12 continues to rotate, at the moment, the tension spring 14 acts on the rotating rod 13 reversely, and the rotating rod 13 is attached to the other limit column under the action of the tension spring 14, as shown in fig. 2; the rotating rod 13 rapidly drives the driven bevel gear 12 to rotate, the driven bevel gear 12 drives the main shaft to rapidly rotate through the drive bevel gear 11, and the main shaft drives the moving contact 6 to rapidly attach to the fixed contact 5, so that the attaching stability of the moving contact 6 and the fixed contact 5 is improved; at the same time, the moving contact 6 drives the supporting rod 8 to move, and the supporting rod 8 drives the sliding frame 10 to slide along the guide rod 9.
Claims (7)
1. A high voltage grounding switch, characterized by: the device comprises a base (1), wherein a plurality of insulators (4) are fixedly connected to the base (1), and a fixed contact (5) is fixedly connected to each of the insulators (4); a rotating shaft (7) is rotationally connected to the base (1), and a plurality of moving contacts (6) matched with the fixed contacts (5) are fixedly connected to the rotating shaft (7); a driving cavity (2) is fixedly connected to the base (1), and a driving bevel gear (11) fixedly connected with the rotating shaft (7) is arranged in the driving cavity (2); a driven bevel gear (12) is meshed with the driving bevel gear (11), and a rotating rod (13) is coaxially fixedly connected with the driven bevel gear (12); the driven bevel gear (12) is coaxially and rotatably connected with a driven rod (15), and a tension spring (14) matched with the driven rod (15) is arranged on the rotating rod (13); the base (1) is connected with a sliding frame (10) in a sliding manner, a plurality of supporting rods (8) are connected to the sliding frame (10) in a rotating manner, and the supporting rods (8) are connected with the moving contacts (6) in a rotating manner.
2. The high voltage grounding switch of claim 1, wherein: the driving cavity (2) is internally provided with a supporting plate, the rotating rod (13) is rotationally connected with the supporting plate, and the supporting plate is provided with a pair of limit posts matched with the rotating rod (13).
3. The high voltage grounding switch of claim 1, wherein: the base (1) is fixedly connected with a guide rod (9), and the sliding frame (10) is in sliding connection with the guide rod (9).
4. A high voltage grounding switch as claimed in claim 3, wherein: the sliding frame (10) comprises a U-shaped frame which is in sliding connection with the guide rod (9), a horizontal frame is fixedly connected to the U-shaped frame, and the support rod (8) is rotatably connected with the horizontal frame.
5. The high voltage grounding switch of claim 1, wherein: the rotating part is provided with spline grooves, and the moving contact (6) is provided with spline blocks matched with the spline grooves.
6. The high voltage grounding switch of claim 1, wherein: the static contact (5) comprises a mounting plate connected with the insulator (4), and a fixing bolt matched with the insulator (4) is arranged on the mounting plate; the mounting plate is vertically and fixedly connected with a connecting plate, and the moving contact (6) is provided with a clamping groove matched with the connecting plate.
7. The high voltage grounding switch of claim 1, wherein: the handle (3) is fixedly connected on the rotating shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322091987.XU CN220208808U (en) | 2023-08-04 | 2023-08-04 | High-voltage grounding switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322091987.XU CN220208808U (en) | 2023-08-04 | 2023-08-04 | High-voltage grounding switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220208808U true CN220208808U (en) | 2023-12-19 |
Family
ID=89144899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322091987.XU Active CN220208808U (en) | 2023-08-04 | 2023-08-04 | High-voltage grounding switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220208808U (en) |
-
2023
- 2023-08-04 CN CN202322091987.XU patent/CN220208808U/en active Active
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| GR01 | Patent grant |