CN213151476U - Linkage mechanism for operation hole of inner shield cover of high-voltage ring main unit - Google Patents
Linkage mechanism for operation hole of inner shield cover of high-voltage ring main unit Download PDFInfo
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- CN213151476U CN213151476U CN202021868286.2U CN202021868286U CN213151476U CN 213151476 U CN213151476 U CN 213151476U CN 202021868286 U CN202021868286 U CN 202021868286U CN 213151476 U CN213151476 U CN 213151476U
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- ring main
- rotating shaft
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Abstract
High-tension loop-network cabinets internal shield cover handle hole link gear. Relate to looped netowrk cabinet accessory technical field. The action is reliable, and the safety of personnel can be guaranteed. The linkage mechanism comprises a rotating shaft, a connecting shaft and a covering plate, wherein a vertical first tooth is annularly arranged on the outer wall of the rotating shaft, the connecting shaft is arranged at one end of the rotating shaft and is on the same axis with the rotating shaft, the connecting shaft penetrates through the cabinet door of the ring main unit and extends to the outside of the ring main unit, and the covering plate is eccentrically arranged at the top of the connecting shaft; the grounding switch is provided with a knob, the knob controls the grounding switch to be opened and closed, the outer wall of the knob is annularly provided with vertical second teeth, and gears are arranged between the first teeth and the second teeth in a matched mode.
Description
Technical Field
The utility model relates to a looped netowrk cabinet accessory technical field, concretely relates to handle hole link gear for high-pressure looped netowrk cabinet internal shield cover.
Background
The ring main unit is an electrical device with a group of high-voltage switch devices arranged in a steel plate metal main unit body or made into an assembled interval ring main unit, the core part of the ring main unit adopts a load switch and a fuse, the ring main unit has the advantages of simple structure, small volume, low price, capability of improving power supply parameters and performance, power supply safety and the like, and a shielding cover is arranged in the ring main unit and is used for shielding the influence of external electromagnetic waves on an internal circuit and the outward radiation of the internally generated electromagnetic waves, so that the safety of the electrical device or personnel is ensured.
Generally can set up earthing switch in the looped netowrk cabinet, be equipped with the handle aperture on the shield cover, open and close earthing switch through the handle aperture, in order to ensure operation safety, must open the cabinet door of looped netowrk cabinet after opening earthing switch, consequently designs a link gear, ensures that earthing switch is in the open mode when opening the cabinet door, has become the technical problem that technical staff in the field await help and waits to solve.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a high-tension loop-network cabinets internal shield operating hole link gear that the action is reliable, can ensure personnel's safety.
The utility model discloses a following technical scheme realizes: the linkage mechanism comprises a rotating shaft, a connecting shaft and a covering plate, wherein vertical first teeth are annularly arranged on the outer wall of the rotating shaft, the connecting shaft is arranged at one end of the rotating shaft and is on the same axis with the rotating shaft, the connecting shaft penetrates through the cabinet door of the ring main unit and extends to the outside of the ring main unit, and the covering plate is eccentrically arranged at the top of the connecting shaft;
the grounding switch is provided with a knob, the knob controls the grounding switch to be opened and closed, the outer wall of the knob is annularly provided with vertical second teeth, and gears are arranged between the first teeth and the second teeth in a matched mode.
The ring main unit is internally provided with an installation beam, and the grounding switch is arranged on the installation beam.
The mounting beam is further provided with a supporting shaft and a rotating seat, a bearing is arranged at the center of the gear, one end of the supporting shaft is arranged on the mounting beam, the other end of the supporting shaft is in interference fit with an inner ring of the bearing, and the rotating shaft is inserted in the rotating seat and rotates in the rotating seat.
The axes of the knob, the rotating shaft and the gear are all vertical to the cabinet door.
Compared with the prior art, the utility model discloses when the cabinet door is opened to needs, through rotating the knob, when opening earthing switch for produce the linkage effect between knob, gear and the axis of rotation, finally through the rotation of axis of rotation, the drive apron rotates, thereby makes the second handle hole expose, just also can open the cabinet lock, when having ensured that the cabinet door is opened, earthing switch is in the open mode, has ensured operating personnel's safety.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an action state reference diagram of FIG. 1;
in the figure: 1. a grounding switch; 2. a cabinet door lock; 3. a cabinet door; 4. a first operation hole; 5. a second operation hole; 6. a rotating shaft; 7. a connecting shaft; 8. a cover plate; 9. a first tooth; 10. a knob; 11. a second tooth; 12. a gear; 13. mounting a beam; 14. a support shaft; 15. a rotating seat; 16. and a bearing.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
As shown in fig. 1-2, a linkage mechanism of an operation hole of a shield cover in a high-voltage ring main unit is arranged in the ring main unit, a grounding switch 1 and a cabinet door lock 2 are arranged in the ring main unit, a cabinet door 3 is provided with a first operation hole 4 corresponding to the grounding switch 1 and a second operation hole 5 corresponding to the cabinet door lock 2, the linkage mechanism comprises a rotating shaft 6, a connecting shaft 7 and a cover plate 8, a vertical first tooth 9 is annularly arranged on the outer wall of the rotating shaft 6, the connecting shaft 7 is arranged at one end of the rotating shaft 6 and is on the same axis with the rotating shaft 6, the connecting shaft 7 penetrates through the cabinet door 3 of the ring main unit and extends to the outside of the ring main unit, the cover plate 8 is eccentrically arranged at the top of the connecting shaft 7, that is, the distances from the two ends of the cover plate 8 to the;
the grounding switch 1 is provided with a knob 10, the knob 10 controls the grounding switch 1 to be opened and closed, the outer wall of the knob 10 is annularly provided with vertical second teeth 11, and gears 12 are arranged between the first teeth 9 and the second teeth 11 in a matched mode. Initially, the cover plate 8 covers the second operation hole 5 to prompt that the grounding switch 1 is in a closed state and the cabinet door lock 2 cannot be opened; when the cabinet door 3 needs to be opened, the knob 10 is rotated through the first operation hole 4, the grounding switch 1 is opened, the knob 10 is meshed with the gear 12 through the second tooth 11 in the rotating process, the gear 12 is rotated, the first tooth 9 meshed with the gear 12 is driven to rotate through the rotation of the gear 12, and finally the rotating shaft 6 is rotated, so that the shielding plate 8 is driven to rotate through the rotation of the rotating shaft 6, the second operation hole 5 is exposed, the cabinet door lock 2 can be opened, the grounding switch 1 is ensured to be in an opening state when the cabinet door 3 is opened, and the safety of operators is ensured; the cover plate 8 is eccentrically disposed so that the exposed state of the second operation hole 5 can be maintained even after the cover plate 8 is rotated by 180 °.
Be equipped with installation roof beam 13 in the looped netowrk cabinet, earthing switch 1 locates on the installation roof beam 13.
The mounting beam 13 is further provided with a supporting shaft 14 and a rotating seat 15, a bearing 16 is arranged at the center of the gear 12, one end of the supporting shaft 14 is arranged on the mounting beam 13, the other end of the supporting shaft is in interference fit with an inner ring of the bearing 16, and the rotating shaft 6 is inserted into the rotating seat 15 and rotates in the rotating seat 15. The installation beam 13, the supporting shaft 14 and the rotating seat 15 are arranged, so that stable installation of devices is ensured, the gear 12 and the rotating shaft 6 are supported, and the linkage effect can be reliably performed.
The axes of the knob 10, the rotating shaft 6 and the gear 12 are all vertical to the cabinet door 3.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (4)
1. High-tension loop-network cabinets internal shield cover handle hole link gear locates in the looped netowrk cabinet, be equipped with earthing switch and cabinet lock in the looped netowrk cabinet, be equipped with the first handle hole that corresponds earthing switch and the second handle hole that corresponds cabinet lock on the cabinet door, its characterized in that: the linkage mechanism comprises a rotating shaft, a connecting shaft and a covering plate, wherein a vertical first tooth is annularly arranged on the outer wall of the rotating shaft, the connecting shaft is arranged at one end of the rotating shaft and is on the same axis with the rotating shaft, the connecting shaft penetrates through a cabinet door of the ring main unit and extends to the outside of the ring main unit, and the covering plate is eccentrically arranged at the top of the connecting shaft;
the grounding switch is provided with a knob, the knob controls the grounding switch to be opened and closed, the outer wall of the knob is annularly provided with vertical second teeth, and gears are arranged between the first teeth and the second teeth in a matched mode.
2. The linkage mechanism for the operating hole of the shielding cover in the high-voltage ring main unit according to claim 1, wherein: the ring main unit is internally provided with an installation beam, and the grounding switch is arranged on the installation beam.
3. The linkage mechanism for the operating hole of the shielding cover in the high-voltage ring main unit according to claim 2, wherein: the mounting beam is further provided with a supporting shaft and a rotating seat, a bearing is arranged at the center of the gear, one end of the supporting shaft is arranged on the mounting beam, the other end of the supporting shaft is in interference fit with an inner ring of the bearing, and the rotating shaft is inserted in the rotating seat and rotates in the rotating seat.
4. The linkage mechanism for the operating hole of the shielding cover in the high-voltage ring main unit according to claim 1, wherein: the axes of the knob, the rotating shaft and the gear are all vertical to the cabinet door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868286.2U CN213151476U (en) | 2020-08-31 | 2020-08-31 | Linkage mechanism for operation hole of inner shield cover of high-voltage ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021868286.2U CN213151476U (en) | 2020-08-31 | 2020-08-31 | Linkage mechanism for operation hole of inner shield cover of high-voltage ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213151476U true CN213151476U (en) | 2021-05-07 |
Family
ID=75742910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021868286.2U Active CN213151476U (en) | 2020-08-31 | 2020-08-31 | Linkage mechanism for operation hole of inner shield cover of high-voltage ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213151476U (en) |
-
2020
- 2020-08-31 CN CN202021868286.2U patent/CN213151476U/en active Active
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