CN2916906Y - High voltage load switch - Google Patents
High voltage load switch Download PDFInfo
- Publication number
- CN2916906Y CN2916906Y CN 200620101802 CN200620101802U CN2916906Y CN 2916906 Y CN2916906 Y CN 2916906Y CN 200620101802 CN200620101802 CN 200620101802 CN 200620101802 U CN200620101802 U CN 200620101802U CN 2916906 Y CN2916906 Y CN 2916906Y
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- CN
- China
- Prior art keywords
- spring
- contact
- contactor
- high voltage
- load switch
- 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
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a high voltage load switch, which comprises an insulation shell and a fixing board. The utility model is characterized in that: a main axle is positioned inside the insulation shell; a movable contactor, a wind plate, a pressing plate, a positioning pin and block are positioned on the main axle; the movable contactor can contact with a static contactor; the static contactor is connected to an external lower contactor, an external upper contactor, an internal lower static contactor and an internal upper static contactor and is compressed by a leaf spring and a spring press plate; the main axle is connected to a transmission axle via a positioning sleeve groupware and a pin shaft; a pull rod, a spring, a supporting bracket groupware composed of a supporting bracket A, B and a torsion spring are positioned on the transmission axle; a dual-head bolt connects two internal fixing plates, a spring stand, a spring and rotary disc to the transmission axle. The utility model, with the advantages of compact structure, low manufacturing cost, stable and reliable working status, can be applied for the automation reconstruction of distribution network and the switch for the minimization, multiple loop and series reform of outdoor circular network cabinet.
Description
Technical field
The utility model relates to the switchgear that uses in a kind of electric power networks, particularly a kind of high voltage load switch.
Background technology
High voltage load switch is installed in the inner casing of outdoor AC high-voltage ring main unit, and ring main unit can be used as the main switchgear that distribution system ring network power supply or the power supply of radiation net and unattended operation open and close the station.Chinese patent CN93224163 discloses a kind of high voltage load switch, form by base, insulator, movable touch knife, arc contact knife, arcing contact, arc control device, spring energy-storage transmission mechanism, fuse etc., it is characterized in that: the end face of arcing contact is an inclined-plane, be supported on one jiao of arc control device by the spring leaf of some screw on the arc control device framework, and make it to be in the centre position of two arc extinguishing blanks; The afterbody of arc contact knife is fixed with support and is connected the middle part of movable touch knife with the arc contact knife with axle, is provided with extension spring between the extension spring hole of support and the afterbody of movable touch knife; Operating grip is fixed on an end of driving shaft, the other end is fixed with two axles of connecting lever by triangle connecting plate and is connected with locking board, also be provided with on the triangle connecting plate and the contacted restriction post in locking board end, be fixed with spring base on the axle sleeve of driving shaft and the driven axle respectively, be provided with between the two and close the push rod that closes energy-stored spring and have a slotted hole, also being provided with limit pull rod and limit lever on the spring base flexibly connects, driven axle is connected with locking board by connecting lever, and the link stopper that is fixed on the axle sleeve contacts with the end face of limit lever; Also be provided with spring base on driven axle and the base, be provided with the disjunction energy-stored spring between the two.Its weak point is, complex structure, and the manufacturing cost height, job stability and reliability are good inadequately.
Summary of the invention
The purpose of this utility model is to overcome the deficiency of prior art, and a kind of high voltage load switch is provided, its compact conformation, and low cost of manufacture, but performance is better.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of high voltage load switch, comprise insulation crust, fixed head, it is characterized in that in the described insulation crust main shaft being arranged, moving contact is arranged on main shaft, aerofoil, pressing plate, alignment pin, locating piece, described moving contact can contact with fixed contact, fixed contact and outer static contact down, the outer static contact of going up, interior static contact down, the interior static contact of going up contacts, and by spring leaf and spring bearer plate compacting, described main shaft is by the positioning sleeve assembly, pivot pin connects power transmission shaft, power transmission shaft is provided with pull bar, spring and by bracing frame A, bracing frame B, the bracket assembly that torsion spring is formed, stud is with two internal fixation plates, spring base, be connected on the power transmission shaft with rotating disk.
The measure that the utility model is taked also comprises:
There is the contact position observation window on described contact side;
The thickness of spring leaf is 0.5 millimeter.
Because the utility model has been taked above-mentioned technical measures, it compared with prior art has compact conformation, low cost of manufacture, working stability, advantage such as reliable are suitable as the switch of distribution automation transformation and outdoor ring main unit miniaturization, multiloop, seriation.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the A-A cross-sectional view of Fig. 1;
Fig. 3 is that the F of Fig. 1 is to structural representation.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
With reference to accompanying drawing, the utility model comprises insulation crust 5, and fixed head 14 has main shaft 8 in the insulation crust 5, moving contact 36 is arranged on main shaft 8, aerofoil 7, pressing plate 4, alignment pin 6, locating piece 13.Moving contact 36 can contact with fixed contact 33, fixed contact 33 with outer static contact 31 down, outward go up static contact 35, interior static contact 32 down, interior on static contact 34 contact, and by spring leaf 38 and spring bearer plate 37 compactings, add spring leaf 38 by static contact, improved the clamping force between the dynamic and static contact, made the He Guanhe that cut-offs of switch reach desirable effect.The thickness of spring leaf 38 is preferably 0.5 millimeter.Main shaft 8 connects folding lock power transmission shaft 17 by positioning sleeve assembly 27, pivot pin 30.The bracket assembly 44 that power transmission shaft 17 is provided with pull bar 39, spring 40 and is made up of bracing frame A42, bracing frame B43, torsion spring 46, stud 20 is connected two internal fixation plates 18, spring base 21 and rotating disk 19 on the power transmission shaft 17.During work, rotating drive shaft 17, power transmission shaft 17 drives main shaft 8 and rotates, and when being fixed on the moving contact 36 disengaging fixed contact motions on the main shaft 8, aerofoil 7 compresses the arc extinguishing district that blows to dynamic/static contact, extinguish arcs with insulating gas.Contact is other contact position observation window 29, can observe the state of three-phase contact by observation window.
Claims (3)
1, a kind of high voltage load switch, comprise insulation crust (5), fixed head (14), it is characterized in that main shaft (8) is arranged in the described insulation crust (5), moving contact (36) is arranged on main shaft (8), aerofoil (7), pressing plate (4), alignment pin (6), locating piece (13), described moving contact (36) can contact with fixed contact (33), fixed contact (33) and outer static contact (31) down, the outer static contact (35) of going up, interior static contact (32) down, the interior static contact (34) of going up contacts, and by spring leaf (38) and spring bearer plate (37) compacting, described main shaft (8) is by positioning sleeve assembly (27), pivot pin (30) connects power transmission shaft (17), power transmission shaft (17) is provided with pull bar (39), spring (40) and by bracing frame A (42), bracing frame B (43), the bracket assembly (44) that torsion spring (46) is formed, stud (20) is with two internal fixation plates (18), spring base (21), and rotating disk (19) is connected on the power transmission shaft (17).
2, high voltage load switch according to claim 1 is characterized in that on described contact side contact position observation window (29) being arranged.
3, high voltage load switch according to claim 1, the thickness that it is characterized in that described spring leaf (38) is 0.5 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620101802 CN2916906Y (en) | 2006-03-20 | 2006-03-20 | High voltage load switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620101802 CN2916906Y (en) | 2006-03-20 | 2006-03-20 | High voltage load switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2916906Y true CN2916906Y (en) | 2007-06-27 |
Family
ID=38187819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620101802 Expired - Fee Related CN2916906Y (en) | 2006-03-20 | 2006-03-20 | High voltage load switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2916906Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916686A (en) * | 2010-08-10 | 2010-12-15 | 北京合纵科技股份有限公司 | Magnetic quenching-based SF6 load switch and installation method |
| CN109698082A (en) * | 2019-01-23 | 2019-04-30 | 武汉华仪智能设备有限公司 | A kind of visual bypass load-switch |
-
2006
- 2006-03-20 CN CN 200620101802 patent/CN2916906Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101916686A (en) * | 2010-08-10 | 2010-12-15 | 北京合纵科技股份有限公司 | Magnetic quenching-based SF6 load switch and installation method |
| CN109698082A (en) * | 2019-01-23 | 2019-04-30 | 武汉华仪智能设备有限公司 | A kind of visual bypass load-switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |