CN201966076U - Moving contact for no-load tapping switch - Google Patents
Moving contact for no-load tapping switch Download PDFInfo
- Publication number
- CN201966076U CN201966076U CN2010206859853U CN201020685985U CN201966076U CN 201966076 U CN201966076 U CN 201966076U CN 2010206859853 U CN2010206859853 U CN 2010206859853U CN 201020685985 U CN201020685985 U CN 201020685985U CN 201966076 U CN201966076 U CN 201966076U
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- China
- Prior art keywords
- contact
- moving contact
- group
- sheet
- fingertip
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- 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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Abstract
The utility model relates to a moving contact for a no-load tapping switch, which comprises a lead-out contact (2), a conducting ring (3), a moving contact bracket (5), a moving contact piece set (9) and a static contact (9), wherein a U-shaped bayonet is arranged at one end of the lead-out contact (2), the lead-out contact (2) is connected with a batten (1) through the bayonet of the lead-out contact, the other end of the lead-out contact (2) is connected with the conducting ring (3), the conducting ring (3) is fixedly connected with an insulating rotating shaft (4), the moving contact bracket (5) is connected with the conducting ring (3), the center line of the moving contact bracket (5) and the center line of the lead-out contact (2) are arranged on the same radial line which passes through the center of circle of the insulating rotating shaft (4), the moving contact piece set is arranged on the outer side surface of the moving contact bracket (5), a bayonet slot is formed on the outer side of the moving contact piece set, a U-shaped bayonet is arranged at one end of the static contact (9) and a contact flange is arranged at the other end of the static contact, the static contact (9) is connected with the batten (1) through the bayonet of the static contact, and the moving contact piece set is in contact connection with the contact flange of the static contact (9). Therefore, the number of the current distribution points is increased, and the through current is increased.
Description
One, technical field
The utility model relates to a kind of moving contact that is used to not have on-load shunting switch, especially a kind of moving contact of carrying big electric current that is applicable to.
Two, background technology
Shunting switch is an important components in the transformer, as the moving contact of the current transmission device of shunting switch be one must indispensable element, it is by decide contact and drawing being connected of making, form current circuit, existing moving contact is few with the contact point of deciding contact, make existing no on-load shunting switch carry electric current to be restricted, but along with the increase of transformer capacity, the magnitude of current that no on-load shunting switch requires to pass through require increase.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model provides a kind of moving contact that is used to not have on-load shunting switch, has increased the distributed points of electric current, passes through electric current thereby increase.
For achieving the above object, the technical scheme that the utility model is taked is: include and draw contact, conducting ring, moving contact rack, moving contact sheet group and fixed contact, one end of drawing contact is set to the U-shaped bayonet socket, drawing contact is set to connect with batten by its bayonet socket, the other end of drawing contact is set to connect with conducting ring, conducting ring is set to be fixedly connected with the rotation axis that insulate, moving contact rack is set to connect with conducting ring, the center line of moving contact rack is set on same radial line by the insulation rotation axis center of circle with the center line of drawing contact, the lateral surface of moving contact rack is provided with moving contact sheet group, moving contact sheet group arranged outside has bayonet slot, one end of fixed contact is provided with the U-shaped bayonet socket, the other end is provided with the contact flange, fixed contact is set to connect with batten by its bayonet socket, and moving contact sheet group is set to connect with the flange contact that contacts of fixed contact.
The insulation rotation axis drives moving contact sheet group and rotates, bayonet slot by moving contact sheet group is connected with the contact flange contact of fixed contact, make to draw and formed a branch road between contact, conducting ring, moving contact rack, moving contact sheet group and the fixed contact, when the insulation rotation axis rotates again, is connected with the contact of next fixed contact, owing to having designed moving contact sheet group, increases with the contact point of fixed contact, therefore increased the distributed points of electric current, passed through electric current thereby increase.
The utility model has designed, moving contact sheet group is set to include fingertip sheet and spring, a plurality of fingertip sheets are set to be connected to fingertip sheet group by bearing pin, last fingertip sheet group is arranged on the upper end of moving contact rack, fingertip sheet group is arranged on the lower end of moving contact rack down, last fingertip sheet group is set to connect with following fingertip sheet group by spring, one end of spring is set to connect with the bearing pin of last fingertip sheet group, the other end is set to connects with the bearing pin of following fingertip sheet group, is provided with holding flange in the middle part of fingertip sheet.
The utility model has designed, moving contact rack is provided with dividing plate, last fingertip sheet group is arranged on the dividing plate upper end of moving contact rack, fingertip sheet group is arranged on the dividing plate lower end of moving contact rack down, the upper and lower side of the dividing plate of moving contact rack is provided with and the corresponding holddown groove of the holding flange of fingertip sheet, and the dividing plate of moving contact rack is provided with the through hole that is passed by spring.
The utility model has designed, and the radial section of the contact flange of fixed contact is set to ellipse.
Four, description of drawings
Fig. 1 is a schematic diagram of the present utility model:
Fig. 2 is an assembling schematic diagram of the present utility model.
Five, embodiment
Accompanying drawing is an embodiment of the present utility model, specify present embodiment in conjunction with the accompanying drawings, include and draw contact 2, conducting ring 3, moving contact rack 5, moving contact sheet group and fixed contact 9, one end of drawing contact 2 is set to the U-shaped bayonet socket, drawing contact 2 is set to connect with batten 1 by its bayonet socket, the other end of drawing contact 2 is set to connect with conducting ring 3, conducting ring 3 is set to be fixedly connected with the rotation axis 4 that insulate, moving contact rack 5 is set to connect with conducting ring 3, the center line of moving contact rack 5 is set on same radial line by insulation rotation axis 4 centers of circle with the center line of drawing contact 2, the lateral surface of moving contact rack 5 is provided with moving contact sheet group, moving contact sheet group arranged outside has bayonet slot, one end of fixed contact 9 is provided with the U-shaped bayonet socket, the other end is provided with the contact flange, fixed contact 9 is set to connect with batten 1 by its bayonet socket, and moving contact sheet group is set to connect with the flange contact that contacts of fixed contact 9.
In the present embodiment, the radial section of the contact flange of fixed contact 9 is set to ellipse.
In the present embodiment, moving contact sheet group is set to include fingertip sheet 6 and spring 8, four fingertip sheets 6 are set to be connected to 6 groups of fingertip sheets by bearing pin, last fingertip sheet is arranged on the upper end of moving contact rack 5, following 6 groups of lower ends that are arranged on moving contact rack 5 of fingertip sheet for 6 groups, last fingertip sheet is set to for 6 groups connect for 6 groups with following fingertip sheet by spring 8, one end of spring 8 is set to connect with the bearing pin of 6 groups of last fingertip sheets, the other end is set to connects with the bearing pin of 6 groups of following fingertip sheets, is provided with two holding flanges in the middle part of fingertip sheet 6.
In the present embodiment, moving contact rack 5 is provided with dividing plate, last fingertip sheet is arranged on the dividing plate upper end of moving contact rack 5, following 6 groups of dividing plate lower ends that are arranged on moving contact rack 5 of fingertip sheet for 6 groups, the upper and lower side of the dividing plate of moving contact rack 5 is provided with and the corresponding holddown groove of the holding flange of fingertip sheet 6, and the dividing plate of moving contact rack 5 is provided with the through hole that is passed by spring 8.
The utlity model has following characteristics:
1, owing to designed moving contact sheet group, increase with the contact point of fixed contact 9, increased the distributed points of electric current, therefore increased the amount of carrying electric current, since one group of moving contact sheet (4) can form 8 contact points (with make 4, with draw make 4), then make head and can form a large amount of contact points after the stack side by side for several groups, thereby the electric current that passes through is increased greatly.
2, owing to designed spring 8, what make moving contact sheet group is subjected to force direction on center line, make the contact site stressed more stable, improved the temperature rise phenomenon, strain by backing pin by middle extension spring, tension back moving contact sheet is pressed in openings of sizes and the fixed contact of controlling the moving contact sheet on moving contact rack or self leg and adapts, several groups of moving contact fingertips be superimposed side by side just form every group of fixed contact of a moving contact up and down fingertip with adjacent just Different Plane arranged between the fingertip up and down, place, high plane contacts with each other, the low degree place leaves the gap, so that heat radiation, and group and assembly leave the heat radiation gap equally, and moving contact rack is an open architecture up and down, makes radiating effect strengthen greatly;
3, the spring pivot pin is positioned at the fingertip middle part, assembles rear spring and spring pivot pin in the fingertip the inside, thereby has shielded pivot pin and spring head cusp, more can adapt to the requirement that the low office of high voltage puts.
4, in order to adapt to the needs of the big electric current of moving contact, draw contact 2 and the two hangers modes of fixed contact 9 employings, the two sides lead-in wire, thus avoided contact single face lead-in wire inconvenient, the defective that thickness is blocked up, the utilization rate of the material of raising.
Be used to not have in the moving contact technical field of on-load shunting switch; Every end of drawing contact 2 that includes is set to the U-shaped bayonet socket; drawing contact 2 is set to connect with batten 1 by its bayonet socket; the other end of drawing contact 2 is set to connect with conducting ring 3; conducting ring 3 is set to be fixedly connected with the rotation axis 4 that insulate; moving contact rack 5 is set to connect with conducting ring 3; the center line of moving contact rack 5 is set on same radial line by insulation rotation axis 4 centers of circle with the center line of drawing contact 2; the lateral surface of moving contact rack 5 is provided with moving contact sheet group; moving contact sheet group arranged outside has bayonet slot; one end of fixed contact 9 is provided with the U-shaped bayonet socket; the other end is provided with the contact flange; fixed contact 9 is set to connect with batten 1 by its bayonet socket, moving contact sheet group be set to fixed contact 9 contact technology contents that the flange contact connects all in protection range of the present utility model.
Claims (4)
1. moving contact that is used to not have on-load shunting switch; It is characterized in that: include and draw contact (2), conducting ring (3), moving contact rack (5), moving contact sheet group and fixed contact (9), one end of drawing contact (2) is set to the U-shaped bayonet socket, drawing contact (2) is set to connect with batten (1) by its bayonet socket, the other end of drawing contact (2) is set to connect with conducting ring (3), conducting ring (3) is set to be fixedly connected with the rotation axis (4) that insulate, moving contact rack (5) is set to connect with conducting ring (3), the center line of moving contact rack (5) is set on same radial line by insulation rotation axis (4) center of circle with the center line of drawing contact (2), the lateral surface of moving contact rack (5) is provided with moving contact sheet group, moving contact sheet group arranged outside has bayonet slot, one end of fixed contact (9) is provided with the U-shaped bayonet socket, the other end is provided with the contact flange, fixed contact (9) is set to connect with batten (1) by its bayonet socket, and moving contact sheet group is set to connect with the flange contact that contacts of fixed contact (9).
2. the moving contact that is used to not have on-load shunting switch according to claim 1; It is characterized in that: moving contact sheet group is set to include fingertip sheet (6) and spring (8), a plurality of fingertip sheets (6) are set to be connected to fingertip sheet (6) group by bearing pin, last fingertip sheet (6) group is arranged on the upper end of moving contact rack (5), following fingertip sheet (6) group is arranged on the lower end of moving contact rack (5), last fingertip sheet (6) group is set to connect with following fingertip sheet (6) group by spring (8), one end of spring (8) is set to connect with the bearing pin of last fingertip sheet (6) group, the other end is set to connect with the bearing pin of following fingertip sheet (6) group, is provided with holding flange in the middle part of fingertip sheet (6).
3. the moving contact that is used to not have on-load shunting switch according to claim 1; It is characterized in that: moving contact rack (5) is provided with dividing plate, last fingertip sheet (6) group is arranged on the dividing plate upper end of moving contact rack (5), fingertip sheet (6) group is arranged on the dividing plate lower end of moving contact rack (5) down, the upper and lower side of dividing plate of moving contact rack (5) is provided with the corresponding holddown groove of holding flange with fingertip sheet (6), and the dividing plate of moving contact rack (5) is provided with the through hole that is passed by spring (8).
4. the moving contact that is used to not have on-load shunting switch according to claim 1; It is characterized in that: the radial section of the contact flange of fixed contact (9) is set to ellipse.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206859853U CN201966076U (en) | 2010-12-20 | 2010-12-20 | Moving contact for no-load tapping switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206859853U CN201966076U (en) | 2010-12-20 | 2010-12-20 | Moving contact for no-load tapping switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966076U true CN201966076U (en) | 2011-09-07 |
Family
ID=44528629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206859853U Expired - Fee Related CN201966076U (en) | 2010-12-20 | 2010-12-20 | Moving contact for no-load tapping switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201966076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206089A (en) * | 2015-05-27 | 2016-12-07 | Abb技术有限公司 | Osculating element and the tap selector including osculating element for shunting switch |
-
2010
- 2010-12-20 CN CN2010206859853U patent/CN201966076U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106206089A (en) * | 2015-05-27 | 2016-12-07 | Abb技术有限公司 | Osculating element and the tap selector including osculating element for shunting switch |
| CN106206089B (en) * | 2015-05-27 | 2018-10-16 | Abb瑞士股份有限公司 | Osculating element for tap switch and the tap selector including osculating element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110907 Termination date: 20121220 |