CN201066625Y - Tap switch for non excitation magnetic plate - Google Patents
Tap switch for non excitation magnetic plate Download PDFInfo
- Publication number
- CN201066625Y CN201066625Y CNU2007200123276U CN200720012327U CN201066625Y CN 201066625 Y CN201066625 Y CN 201066625Y CN U2007200123276 U CNU2007200123276 U CN U2007200123276U CN 200720012327 U CN200720012327 U CN 200720012327U CN 201066625 Y CN201066625 Y CN 201066625Y
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- plate
- insulation rotating
- connecting axle
- gear
- 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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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to a plate-shaped tap switch with no excitation which comprises a supporting plate (1), at least one tap plate (2), a rotor axis (3) and a gear disc (5). The tap plate (2) is fixed and connected with the supporting plate (1) by bolts. A plurality of fixed contacts (21) are arranged on the tap plate (2) in a circle taking the rotor axis (3) as a center. The rotor axis (3) is provided with an elastic moving contact (31). The rotor axis (3) and the lid of a transformer box (9) are installed and connected together by a seal device. The gear disc (5) is fixed and connected with the external end of the rotor axis (3). The utility model has a simple structure, is easy to manufacture and is reliable to work.
Description
Technical field
The utility model relates at transformer and do not apply under the condition of voltage, the tap of transformer is changed the shunting switch of connection.
Background technology
The version of off circuit tap changer has cydariform, cage type, bar shaped and dish type at present, as China Machine Press publish " power transformer handbook 492-495 page or leaf is disclosed to be exactly this class technology, various existing off circuit tap changers, because structure construction difference, performance is different with characteristics, application is also incomplete same, and its oneself characteristics are respectively arranged.
The utility model content
The purpose of this utility model provides a kind of simple in structure, make easy, easy to operate, the no excitation plate shape shunting switch of reliable operation.
The technical solution of the utility model is to include frame plate 1, at least one tapping plate 2, insulation rotating shaft 3, connecting axle 4, gear dish 5 formations, tapping plate 2 is fixedlyed connected with frame plate 1, the installation that is rotatably assorted of insulation rotating shaft 3 and tapping plate 2, on tapping plate 2, be that center circumferential is distributed with some fixed contacts 21 with rotating shaft 3, in insulation rotating shaft 3, be connected with moving contact 31, connecting axle 4 is connected with insulation rotating shaft 3 butt joints, connecting axle 4 is provided with the sealing and connecting device of installing with transformer case lid 9, and gear dish 5 is fixedlyed connected with connecting axle 4 outer ends.
The utility model is simple in structure, make easy, easy to operate, reliable operation.
Description of drawings
Fig. 1 is the utility model example structure schematic diagram.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Embodiment
The utility model is by frame plate 1,1-3 tapping plate 2, insulation rotating shaft 3, connecting axle 4, gear dish 5 constitutes, tapping plate 2 is bolted to connection with frame plate 1, the installation that is rotatably assorted of insulation rotating shaft 3 and tapping plate 2, in insulation rotating shaft 3, be provided with the positioning retainer ring 35 that cooperates with tapping plate 2, on tapping plate 2 with the insulation rotating shaft 3 be that center circumferential is distributed with some fixed contacts 21, in insulation rotating shaft 3, be connected with moving contact 31, moving contact 31 is installed under spring 33 cooperates in the insulation rotating shaft 3 in 21 jacks of offering of corresponding fixed contact by its inserted link 32, connecting axle 4 is connected with insulation rotating shaft 3 butt joints, the sealing and connecting device of installing with transformer case lid 9 is set on connecting axle 4, it is by sealing shroud 61, sealing gasket 62, clamp nut 63 constitutes, gear dish 5 is fixedlyed connected with connecting axle 4 outer ends, circle distribution offers some gear pin-and-holes 50 and gear Digital ID 52 on gear dish 5, on pin-and-hole 50, be provided with shop bolt or dog screw 53, it cooperates the location with locating piece 91 on being arranged on transformer case lid 9, also is provided with gear dish 5 rotary stopper pieces 54 on gear dish 5 medial surfaces.
Claims (3)
1. there is not excitation plate shape shunting switch, it is characterized in that including frame plate (1), at least one tapping plate (2), insulation rotating shaft (3), connecting axle (4), gear dish (5), tapping plate (2) is fixedlyed connected with frame plate (1), insulation rotating shaft (3) and tapping plate (2) installation that is rotatably assorted, going up with insulation rotating shaft (3) at tapping plate (2) is that center circumferential is distributed with some fixed contacts (21), in insulation rotating shaft (3), be connected with moving contact (31), connecting axle (4) is connected with insulation rotating shaft (3) butt joint, connecting axle (4) is provided with the sealing and connecting device of installing with transformer case lid (9), and gear dish (5) is fixedlyed connected with connecting axle (4) outer end.
2. no excitation plate shape shunting switch according to claim 1 is characterized in that being provided with the positioning retainer ring (35) that cooperates with tapping plate (2) in insulation rotating shaft (3); Moving contact (31) is installed in the jack of offering in the insulation rotating shaft (3) under spring (33) cooperates by its inserted link (32); Connecting axle (4) is that upward be provided with to be made of sealing shroud (61), sealing gasket (62), clamp nut (63) with sealing and connecting device transformer case lid (9) installation.
3. no excitation plate shape shunting switch according to claim 1 and 2 is characterized in that going up circle distribution at gear dish (5) offers some gear pin-and-holes (50) and gear Digital ID (52), is provided with shop bolt or dog screw (53) on pin-and-hole (50); On gear dish (5) medial surface, also be provided with gear dish (5) rotary stopper piece (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200123276U CN201066625Y (en) | 2007-05-24 | 2007-05-24 | Tap switch for non excitation magnetic plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200123276U CN201066625Y (en) | 2007-05-24 | 2007-05-24 | Tap switch for non excitation magnetic plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201066625Y true CN201066625Y (en) | 2008-05-28 |
Family
ID=39483807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200123276U Expired - Fee Related CN201066625Y (en) | 2007-05-24 | 2007-05-24 | Tap switch for non excitation magnetic plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201066625Y (en) |
-
2007
- 2007-05-24 CN CNU2007200123276U patent/CN201066625Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080528 Termination date: 20150524 |
|
| EXPY | Termination of patent right or utility model |