CN201327778Y - Z-shaped sensing finger for three-station switch - Google Patents
Z-shaped sensing finger for three-station switch Download PDFInfo
- Publication number
- CN201327778Y CN201327778Y CNU2008201805652U CN200820180565U CN201327778Y CN 201327778 Y CN201327778 Y CN 201327778Y CN U2008201805652 U CNU2008201805652 U CN U2008201805652U CN 200820180565 U CN200820180565 U CN 200820180565U CN 201327778 Y CN201327778 Y CN 201327778Y
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- China
- Prior art keywords
- fingertip
- sensing finger
- spring
- type
- shaped sensing
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- Expired - Fee Related
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Abstract
The utility model relates to a Z-shaped sensing finger for a three-station switch, which comprises a sensing finger sheet, a spring and a sectional busbar, wherein the cross section of the Z-shaped sensing finger is of a Z shape; the Z-shaped sensing finger is arranged inside holes on both ends of the sectional busbar; the spring is arranged between the Z-shaped sensing fingers; and the spring is arranged inside a Phi 6 hole of the two sensing fingers. Two rings are arranged inside the hole on each end of the sectional busbar, and each ring is provided with 15 Z-shaped sensing fingers. Under the effect of the spring force, the Z-shaped sensing finger can be ensured to be contacted with a movable contact, thereby increasing the contact area, and improving the discharge current capability of the contact part of the contactor and the sensing finger and the carrying capacity of the dynamic stable current, and ensuring that the contactor and the sensing finger are free from being burned and spliced after the movable heat stabilization test, and ensuring that the three-station switch can work normally.
Description
Technical field
The utility model relates to high voltage switchgear, particularly a kind of three-station Z type fingertip.
Background technology
The used contact of existing high voltage switchgear three-station is column type and blossom type contact, and moving contact is done rectilinear motion when three-station connection, isolation and ground connection, does slide relative between moving contact and the fingertip.Moving contact and fingertip contact site exist that loaded current be difficult for to improve, the defective of easy to wear, contact reliability difference.
The utility model content
The purpose of this utility model provides a kind of high voltage switchgear three-station with Z type fingertip, is difficult for improving to solve loaded current that existing column type and blossom type moving contact and fingertip contact site exist, the problem of easy to wear, contact reliability difference.
The utility model adopts following technical proposals to solve its technical problem:
A kind of three-station Z type fingertip, comprise fingertip sheet, spring and special-shaped bus, the cross-sectional profiles of described Z type fingertip is the Z type, and Z type fingertip is contained in the hole at described special-shaped bus two ends, between each Z type fingertip spring is housed, spring installs in φ 6 holes of two fingertips.
Described Z type fingertip is equipped with two circles in the hole of described special-shaped each end of bus, 15 Z types of every circle fingertip.
The cross-sectional profiles of the utility model Z type fingertip is the Z type, and moving contact is done rectilinear motion when three-station connection, isolation and ground connection, does slide relative between moving contact and the Z type fingertip.Z type fingertip is contained in two stomidiums of special-shaped bus, adorns two circles in the stomidium, between each fingertip spring is housed, and spring installs in φ 6 holes of two fingertips.Quan Z type fingertip is under the effect of spring force weekly, can guarantee to contact with moving contact, increased contact area, improved bearing capacity, assurance contact, fingertip not burning, bonding after the dynamic and thermal stability test of contact and fingertip contact site electric current through-current capability, dynamic current, three-station can regular event.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the utility model Z type fingertip special-shaped bus schematic diagram of packing into;
Fig. 3 is the Z type fingertip special-shaped bus generalized section of packing into;
Fig. 4 is the partial enlarged drawing of Fig. 3.
Embodiment
The utility model is a kind of high voltage switchgear three-station Z type fingertip, and the cross-sectional profiles of Z type fingertip 4 is the Z type, on two planes of Z type fingertip 4 spring-loaded hole φ 6 is arranged respectively.Z type fingertip 4 is respectively charged in two stomidiums of special-shaped bus 3, adorns two circles in the stomidium, and 15 Z types of every circle fingertip 4 is equipped with spring 2 between each fingertip 4, and spring 2 installs in φ 6 holes of two fingertips 4.
When three-station connection, isolation and ground connection, moving contact 1 is done rectilinear motion, does slide relative between moving contact 1 and the Z type fingertip 4.Quan Z type fingertip 4 can guarantee to contact with moving contact 1 under the effect of spring force weekly, has increased contact area.
Claims (2)
1, a kind of three-station Z type fingertip, comprise fingertip sheet, spring and special-shaped bus, it is characterized in that: the cross-sectional profiles of described Z type fingertip (4) is the Z type, and Z type fingertip (4) is contained in the hole at described special-shaped bus (3) two ends, between each Z type fingertip (4) spring (2) is housed.
2, high voltage switchgear three-station according to claim 1 is characterized in that described Z type fingertip (4) is equipped with two circles in the hole of each end of described special-shaped bus (3), every circle 15 Z types fingertip (4) with Z type fingertip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201805652U CN201327778Y (en) | 2008-12-04 | 2008-12-04 | Z-shaped sensing finger for three-station switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201805652U CN201327778Y (en) | 2008-12-04 | 2008-12-04 | Z-shaped sensing finger for three-station switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201327778Y true CN201327778Y (en) | 2009-10-14 |
Family
ID=41179744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201805652U Expired - Fee Related CN201327778Y (en) | 2008-12-04 | 2008-12-04 | Z-shaped sensing finger for three-station switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201327778Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319851A (en) * | 2011-08-26 | 2012-01-18 | 洛阳秦汉冷锻有限公司 | Cold precision forging technique for Z type contacts |
| CN104384221A (en) * | 2014-10-29 | 2015-03-04 | 平高集团有限公司 | Z-type contact finger forming method for high-voltage switch |
-
2008
- 2008-12-04 CN CNU2008201805652U patent/CN201327778Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102319851A (en) * | 2011-08-26 | 2012-01-18 | 洛阳秦汉冷锻有限公司 | Cold precision forging technique for Z type contacts |
| CN102319851B (en) * | 2011-08-26 | 2013-08-21 | 洛阳秦汉冷锻有限公司 | Cold precision forging technique for Z type contacts |
| CN104384221A (en) * | 2014-10-29 | 2015-03-04 | 平高集团有限公司 | Z-type contact finger forming method for high-voltage switch |
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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: 20091014 Termination date: 20151204 |
|
| EXPY | Termination of patent right or utility model |