CN206340485U - A kind of vapour-pressure type on-load switch suitable for ring main unit - Google Patents
A kind of vapour-pressure type on-load switch suitable for ring main unit Download PDFInfo
- Publication number
- CN206340485U CN206340485U CN201720049968.2U CN201720049968U CN206340485U CN 206340485 U CN206340485 U CN 206340485U CN 201720049968 U CN201720049968 U CN 201720049968U CN 206340485 U CN206340485 U CN 206340485U
- Authority
- CN
- China
- Prior art keywords
- jet cylinder
- load switch
- vapour
- pressure type
- main unit
- 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.)
- Expired - Fee Related
Links
Landscapes
- Circuit Breakers (AREA)
Abstract
The utility model discloses a kind of vapour-pressure type on-load switch suitable for ring main unit, including fixed frame, one end of fixed frame is fixedly connected with insulating boot by fixed support, the lower end of insulating boot is provided with jet cylinder, the side of jet cylinder is additionally provided with fuse, and the lower end of fuse is additionally provided with earthing.Vapour-pressure type on-load switch of the present utility model suitable for ring main unit, when on-load switch separating brake, main axis and drive jet cylinder in piston upwards, and make moving contact rise in insulating boot to produce electric arc between starting rod, while the air in piston compression cylinder, it is allowed to, from spout arc blow-out outward, electric arc is stopped working rapidly；Whole work process, it is stable, reliable, and the insulation barrier that insulating boot bottom is fixedly mounted, completely cut off live part after closing, substantially increase protective capacities.
Description
Technical field
The utility model is related to on-load switch technical field, and specially a kind of vapour-pressure type load suitable for ring main unit is opened
Close.
Background technology
Existing pressure-operated load switch volume is heavy greatly, it is impossible in ring main unit, and due to Electric Field Distribution not
Uniformly, insulating properties are unstable, assembly technology complexity so that wasted time and energy when assembling at the scene and frequent hair after use
Raw failure；And as switchgear is increasingly minimized, technique lean, existing air pressing type combination switch can not meet need
Ask.
Utility model content
The purpose of this utility model is to provide a kind of vapour-pressure type on-load switch suitable for ring main unit, possesses beautiful outline form
See, be easily installed, reliable and stable advantage, solve existing pressure-operated load switch volume big and heavy, it is impossible to installed in ring
In net cabinet, and due to non-uniform electric, insulating properties are unstable, assembly technology complexity so that when assembling at the scene
The problem of wasting time and energy and often break down after use.
To achieve the above object, the utility model provides following technical scheme：A kind of vapour-pressure type suitable for ring main unit is born
Lotus switchs, including fixed frame, and one end of the fixed frame is fixedly connected with insulating boot, the insulating boot by fixed support
Starting rod is also installed with for the upper end of campanula halleri Halleri, and campanula halleri Halleri, one end of the starting rod is on insulating boot
The inwall at end simultaneously extends to inside, and fix by bolt and nut, and the lower end of insulating boot is provided with jet cylinder, and the jet cylinder is logical
The side that support frame is fixedly mounted on fixed frame is crossed, and the inside of jet cylinder is also installed with piston, moving contact and work
Connecting rod is filled in, the one end of the two ends of the piston respectively with moving contact and piston rod is fixedly connected, the other end of the moving contact
Through the jet cylinder spout that is provided with of upper end and outside is extended to, the master that the other end of the piston rod is provided with jet cylinder lower end
Axle is fixedly connected, and the main shaft is fixedly installed between fixed frame and jet cylinder, and one end of main shaft is run through under jet cylinder
The inwall at end simultaneously extends to inside, and the side of jet cylinder is additionally provided with fuse, and the fuse is fixed by fuse support
On the outer wall of jet cylinder side, and the lower end of fuse is additionally provided with earthing, and the earthing passes through dropout plate
It is fixedly mounted on the bottom of fuse.
It is preferred that, the bottom of the insulating boot is also installed with insulation barrier.
It is preferred that, the starting rod and moving contact are made of copper-tungsten.
It is preferred that, the outer cover of the jet cylinder is equipped with insulating sheath.
It is preferred that, it is fixedly connected between the spout and jet cylinder using screwed flange.
Compared with prior art, the beneficial effects of the utility model are as follows：
Vapour-pressure type on-load switch of the present utility model suitable for ring main unit, when on-load switch separating brake, main axis and
The piston upwards in jet cylinder are driven, and moving contact is risen in insulating boot electric arc is produced between starting rod, simultaneously
Air in piston compression cylinder, is allowed to, from spout arc blow-out outward, make electric arc stop working rapidly；Whole work process is stable, can
Lean on, and the insulation barrier that insulating boot bottom is fixedly mounted, completely cut off live part after closing, substantially increase protective capacities.
Brief description of the drawings
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model jet cylinder internal structure schematic diagram.
In figure：1 fixed frame, 2 fixed supports, 3 insulating boots, 31 insulation barriers, 4 starting rods, 5 jets cylinder, 51 edge sheaths,
6 support frames, 7 pistons, 8 moving contacts, 9 piston rods, 10 spouts, 11 main shafts, 12 fuses, 13 fuse supports, 14 earthings,
15 dropout plates.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Claims (5)
1. a kind of vapour-pressure type on-load switch suitable for ring main unit, including fixed frame (1), it is characterised in that：The fixed frame
One end of frame (1) is fixedly connected with insulating boot (3) by fixed support (2), and the insulating boot (3) is campanula halleri Halleri, and clock
The upper end of shape structure is also installed with starting rod (4), and the inwall of insulating boot (3) upper end is run through in one end of the starting rod (4)
And inside is extended to, and fixed by bolt and nut, the lower end of insulating boot (3) is provided with jet cylinder (5), the jet cylinder (5)
The side of fixed frame (1) is fixedly mounted on by support frame (6), and the inside of jet cylinder (5) is also installed with piston
(7), moving contact (8) and piston rod (9), the two ends of the piston (7) respectively with moving contact (8) and piston rod (9) one
End is fixedly connected, and the spout (10) that the other end of the moving contact (8) is provided with through jet cylinder (5) upper end simultaneously extends to outside,
The main shaft (11) that the other end of the piston rod (9) is provided with jet cylinder (5) lower end is fixedly connected, and the main shaft (11) is fixed
It is installed between fixed frame (1) and jet cylinder (5), and the inwall of jet cylinder (5) lower end is run through simultaneously in one end of main shaft (11)
Inside is extended to, the side of jet cylinder (5) is additionally provided with fuse (12), and the fuse (12) passes through fuse support (13)
On the outer wall for being fixedly mounted on jet cylinder (5) side, and the lower end of fuse (12) is additionally provided with earthing (14), described to connect
Earthing knife-switch (14) is fixedly mounted on the bottom of fuse (12) by dropout plate (15).
2. a kind of vapour-pressure type on-load switch suitable for ring main unit according to claim 1, it is characterised in that：The insulation
The bottom of cover (3) is also installed with insulation barrier (31).
3. a kind of vapour-pressure type on-load switch suitable for ring main unit according to claim 1, it is characterised in that：The striking
Rod (4) and moving contact (8) are made of copper-tungsten.
4. a kind of vapour-pressure type on-load switch suitable for ring main unit according to claim 1, it is characterised in that：The jet
The outer cover of cylinder (5) is equipped with insulating sheath (51).
5. a kind of vapour-pressure type on-load switch suitable for ring main unit according to claim 1, it is characterised in that：The spout
(10) it is fixedly connected between jet cylinder (5) using screwed flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720049968.2U CN206340485U (en) | 2017-01-13 | 2017-01-13 | A kind of vapour-pressure type on-load switch suitable for ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720049968.2U CN206340485U (en) | 2017-01-13 | 2017-01-13 | A kind of vapour-pressure type on-load switch suitable for ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340485U true CN206340485U (en) | 2017-07-18 |
Family
ID=59304925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720049968.2U Expired - Fee Related CN206340485U (en) | 2017-01-13 | 2017-01-13 | A kind of vapour-pressure type on-load switch suitable for ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206340485U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289626A (en) * | 2020-09-25 | 2021-01-29 | 夏汝心 | Outdoor air-compression type load switch |
-
2017
- 2017-01-13 CN CN201720049968.2U patent/CN206340485U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112289626A (en) * | 2020-09-25 | 2021-01-29 | 夏汝心 | Outdoor air-compression type load switch |
| CN112289626B (en) * | 2020-09-25 | 2022-12-13 | 国网福建省电力有限公司漳州市长泰区供电公司 | Outdoor air compression type load switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206595185U (en) | A kind of gas-insulated switchgear breaker | |
| CN108172457B (en) | A kind of vacuum circuit breaker with double breaks for medium pressure gas insulated switching installation | |
| CN106216473B (en) | A kind of electrical accessorie punch for manufacturing with automatic ejection | |
| CN105405711A (en) | Double-break vacuum circuit breaker | |
| CN103198963A (en) | Vacuum circuit breaker | |
| CN206340485U (en) | A kind of vapour-pressure type on-load switch suitable for ring main unit | |
| CN202258992U (en) | Triangle-shaped interphase full-solid insulation high- and medium-voltage switchgear | |
| CN203026442U (en) | Vacuum circuit breaker | |
| CN204391593U (en) | Solid insulation ring main unit | |
| CN211929380U (en) | Outdoor high-voltage 35kV vertical vacuum circuit breaker | |
| CN205995985U (en) | A kind of electrical accessorie punch for manufacturing with automatic ejection function | |
| CN202167525U (en) | Solar photovoltaic pre-assembling frame assembly extruding device | |
| CN101710546A (en) | High-voltage three-pole AC vacuum contactor | |
| CN205789686U (en) | The middle pressure vacuum circuit breaker that a kind of wall-mounted three-phase is longitudinally arranged | |
| CN201138634Y (en) | Sleeve contacting arm for indoor high voltage vacuum switch | |
| CN205069493U (en) | Vacuum load switch and fuse combined electrical apparatus | |
| CN209104057U (en) | A kind of integrated vacuum circuit breaker switch | |
| CN201392740Y (en) | Three-position switch operation mechanism | |
| CN100370564C (en) | Single-break-port breaker of 550 KV voltage grade | |
| CN202758806U (en) | Vacuum circuit breaker | |
| CN208315456U (en) | A kind of novel high-pressure energy-saving vacuum breaker | |
| CN201820554U (en) | Three-phase tank-type lightning arrester | |
| CN206947241U (en) | A kind of high-voltage vacuum load switch | |
| CN206363941U (en) | A kind of power switch with electroshock-proof function | |
| CN215815686U (en) | Special-shaped conductor with high stability for high-voltage switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170718 Termination date: 20180113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |