CN220873468U - Insulating earthing switch - Google Patents
Insulating earthing switch Download PDFInfo
- Publication number
- CN220873468U CN220873468U CN202322491107.8U CN202322491107U CN220873468U CN 220873468 U CN220873468 U CN 220873468U CN 202322491107 U CN202322491107 U CN 202322491107U CN 220873468 U CN220873468 U CN 220873468U
- Authority
- CN
- China
- Prior art keywords
- grounding
- contact insulating
- frame
- insulating seat
- wiring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000009413 insulation Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000012212 insulator Substances 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
Landscapes
- Gas-Insulated Switchgears (AREA)
Abstract
The utility model discloses an insulation grounding switch with more convenient cable insulation test. The technical scheme adopted comprises the following steps: the device comprises a frame, a fixed contact insulating seat arranged at the upper end of the frame, a main shaft arranged in the middle of the frame and a moving contact insulating seat arranged at the lower end of the frame, wherein a three-phase fixed contact is arranged on the fixed contact insulating seat, a three-phase moving contact is arranged on the moving contact insulating seat, a three-phase connecting lever connected with the moving contact is arranged on the main shaft, a three-phase grounding contact is arranged at the lower end of the frame through a grounding contact insulating seat, and each grounding contact comprises a main body and a wiring busbar connected to the main body.
Description
Technical Field
The utility model belongs to the field of power equipment, and particularly relates to an inflatable cabinet grounding switch.
Background
The all-insulated air charging cabinet is one of a plurality of air charging cabinets at present and is widely applied to our daily life. Common sulfur hexafluoride gas tanks, full-filled ring net cabinets, full-insulated solid cabinets, high-voltage gas tanks and the like. The structure of full insulation gas-insulated cabinet includes the cabinet body and establishes the load switch at the cabinet body, and traditional gas-insulated cabinet earthing switch's structure includes: the device comprises a frame, a fixed contact insulating seat arranged at the upper end of the frame, a main shaft arranged in the middle of the frame and a moving contact arranged at the lower end of the frame, wherein a three-phase fixed contact is arranged on the fixed contact insulating seat, a three-phase moving contact is arranged on the moving contact insulating seat, a crank arm for connecting the three phases with the moving contact is arranged on the main shaft, and a three-phase grounding contact is arranged at the lower end of the frame through a grounding contact insulating seat mounting cross beam. The traditional gas-filled cabinet grounding switch has the following defects: and (3) performing a cable insulation test on the site, removing the cable plug at one side of the wire inlet and outlet sleeve, powering through the wire inlet and outlet sleeve, and returning the cable plug after the test is completed. The cable plug is assembled and disassembled once, which is very time-consuming and troublesome, and the insulation performance of the cable plug and the wire inlet and outlet sleeve is easily reduced if the cable plug is in severe field environment, thus hidden danger is buried for future operation.
Disclosure of utility model
The utility model aims to solve the technical problem of providing an insulation grounding switch with more convenient cable insulation test.
In order to solve the problems, the technical scheme adopted by the utility model comprises the following steps: the frame, establish the static contact insulating seat of frame upper end, establish the main shaft in frame middle part is in establish the moving contact insulating seat of frame lower extreme, be equipped with three-phase static contact on the static contact insulating seat, be equipped with three-phase moving contact on the moving contact insulating seat, be equipped with three phase on the main shaft with the turning arm that the moving contact is connected, its characterized in that: the lower end of the frame is provided with three grounding contacts through a grounding contact insulating seat, and each grounding contact comprises a main body and a wiring busbar connected to the main body.
The insulation earthing switch, its characterized in that: the back of the grounding contact insulating seat is provided with a busbar wiring groove, the wiring busbar is arranged in the busbar wiring groove, and the lower end of the wiring busbar is provided with a wiring part extending out of the grounding contact insulating seat.
The insulation earthing switch, its characterized in that: the main body is of an inverted ┳ shape and is arranged in a grounding contact mounting groove of the grounding contact insulating seat, the wiring busbar is of an L shape and is arranged at the bottom of the main body, and the main body, the wiring busbar and the grounding contact insulating seat are fastened through a first screw.
The insulation earthing switch, its characterized in that: the bottom of the frame is provided with a grounding contact insulating seat mounting beam, and the grounding contact insulating seat is arranged on the grounding contact insulating seat mounting beam and is fastened through second screws at two sides.
The insulation earthing switch, its characterized in that: the grounding contact insulating seat is arranged on the grounding contact insulating seat mounting cross beam through a C-shaped opening.
The insulation earthing switch, its characterized in that: and a wiring hole is formed in the wiring part.
The insulation grounding switch has the following advantages: the grounding contact is arranged on the grounding contact insulating seat, insulation of the frame is achieved, the grounding contact is connected with a grounding sleeve outside the air box through the wiring busbar, and the grounding sleeve outside the air box is grounded through the grounding copper bar. Before the cable insulation acceptance test, the grounding switch is firstly put into a grounding state, and the grounding copper bar on the original grounding sleeve is removed. During the test, only the test voltage is needed to be conducted to the grounding sleeve, and the high-voltage electricity passes through the grounding sleeve, the grounding copper bar, the grounding contact, the moving contact, the static contact, the copper bus, the wire inlet and outlet sleeve and the cable to form a test loop. After the test is finished, the original grounding sleeve is only required to be grounded again, and the cable plug on the wire inlet and outlet sleeve is not required to be disassembled, so that the cable insulation test is more convenient to perform.
The utility model will be described in further detail with reference to the drawings and the detailed description.
Drawings
FIG. 1 is a schematic diagram of an insulated grounding switch according to the present utility model;
Fig. 2 and 3 are schematic structural views of the ground contact insulating base and the ground contact according to the present utility model at different angles;
FIG. 4 is a cross-sectional view of the ground contact insulator base of the present utility model;
fig. 5 is an exploded view of the ground contact insulator base and ground contact of the present utility model.
Detailed Description
As shown in fig. 1-5, the insulated grounding switch of the utility model comprises a frame 1, a fixed contact insulating base 2 arranged at the upper end of the frame 1, a main shaft 3 arranged in the middle of the frame 1 and a moving contact insulating base 4 arranged at the lower end of the frame 1. The fixed contact insulating base 2 is specifically installed on a fixed contact insulating base installation beam 20 at the upper end of the frame 1, and the moving contact insulating base 4 is specifically installed on a moving contact insulating base installation beam 21 at the lower end of the frame 1. The fixed contact insulating seat 2 is provided with a fixed contact 5 distributed in three phases, the movable contact insulating seat 4 is provided with a movable contact 6 distributed in three phases, and the main shaft 3 is provided with a crank arm 7 connected with the movable contact 6 in three phases. The lower end of the frame 1 is provided with three-phase distributed ground contacts 9 through a ground contact insulating seat 8, and each ground contact 9 comprises a main body 10 and a wiring busbar 11 connected to the main body 10. Ideally: a ground contact insulating seat mounting beam 16 is arranged at the bottom of the frame 1, and the ground contact insulating seat 8 is arranged on the ground contact insulating seat mounting beam 16 and is fastened by second screws 17 at two sides. The ground contact insulating base mounting beam 16 may be connected to the moving contact insulating base mounting beam 21 as needed.
Preferably, a busbar slot 12 is provided on the back of the ground contact insulating base 8, the wiring busbar 11 is disposed in the busbar slot 12, and a wiring portion 13 extending out of the ground contact insulating base 8 is provided at the lower end of the wiring busbar 11. By the above structure, the stability and reliability of the installation of the wiring busbar 11 are improved.
Preferably, the main body 10 is in an inverted '┳' shape, the main body 10 is arranged in a ground contact mounting groove 14 of the ground contact insulating base 8, the wiring busbar 11 is in an 'L' shape, the wiring busbar 11 is arranged at the bottom of the main body 10, and the main body 10, the wiring busbar 11 and the ground contact insulating base 8 are fastened by a first screw 15. By the above structure, the stability and reliability of the installation of the ground contact 9 and the wiring busbar 11 are improved.
Preferably, the ground contact insulator block 8 is disposed on the ground contact insulator block mounting beam 16 through a "C" shaped opening 18. To improve the stability and reliability of the installation of the ground contact insulating holder 8.
Preferably, the wiring portion 13 is provided with a wiring hole 19, and a screw is installed in the wiring hole 19 to facilitate wiring.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (6)
1. The utility model provides an insulating earthing switch, includes frame (1), establishes fixed contact insulating base (2) of frame (1) upper end, establish main shaft (3) at frame (1) middle part and establish moving contact insulating base (4) of frame (1) lower extreme, be equipped with three-phase fixed contact (5) on fixed contact insulating base (2), be equipped with three-phase moving contact (6) on moving contact insulating base (4), be equipped with three phase on main shaft (3) with turning arm (7) that moving contact (6) are connected, its characterized in that: the lower end of the frame (1) is provided with three grounding contacts (9) through a grounding contact insulating seat (8), and each grounding contact (9) comprises a main body (10) and a wiring busbar (11) connected to the main body (10).
2. The insulated grounding switch of claim 1, wherein: the back of the grounding contact insulating seat (8) is provided with a busbar wiring groove (12), the wiring busbar (11) is arranged in the busbar wiring groove (12), and the lower end of the wiring busbar is provided with a wiring part (13) extending out of the grounding contact insulating seat (8).
3. The insulated grounding switch of claim 1, wherein: the main body (10) is in an inverted '┳' shape and is arranged in a ground contact mounting groove (14) of the ground contact insulating seat (8), the wiring busbar (11) is in an L shape and is arranged at the bottom of the main body (10), and the main body (10), the wiring busbar (11) and the ground contact insulating seat (8) are fastened through a first screw (15).
4. The insulated grounding switch of claim 1, wherein: the bottom of the frame (1) is provided with a ground contact insulating seat mounting cross beam (16), and the ground contact insulating seat (8) is arranged on the ground contact insulating seat mounting cross beam (16) and is fastened through second screws (17) at two sides.
5. The insulated grounding switch of claim 4, wherein: the ground contact insulating base (8) is arranged on the ground contact insulating base mounting cross beam (16) through a C-shaped opening (18).
6. The insulated grounding switch of claim 2, wherein: the wiring part (13) is provided with a wiring hole (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322491107.8U CN220873468U (en) | 2023-09-14 | 2023-09-14 | Insulating earthing switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322491107.8U CN220873468U (en) | 2023-09-14 | 2023-09-14 | Insulating earthing switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220873468U true CN220873468U (en) | 2024-04-30 |
Family
ID=90818934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322491107.8U Active CN220873468U (en) | 2023-09-14 | 2023-09-14 | Insulating earthing switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220873468U (en) |
-
2023
- 2023-09-14 CN CN202322491107.8U patent/CN220873468U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |