CN203817676U - Special fixture for welding rotating shaft of dc circuit breaker - Google Patents
Special fixture for welding rotating shaft of dc circuit breaker Download PDFInfo
- Publication number
- CN203817676U CN203817676U CN201420188454.1U CN201420188454U CN203817676U CN 203817676 U CN203817676 U CN 203817676U CN 201420188454 U CN201420188454 U CN 201420188454U CN 203817676 U CN203817676 U CN 203817676U
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- China
- Prior art keywords
- locating piece
- support plate
- rotating shaft
- connecting lever
- operation connecting
- 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 - Lifetime
Links
- 238000003466 welding Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a special positioning fixture for welding the rotating shaft of a breaker. The special positioning fixture comprises a base, wherein both a left support plate and a right support plate are arranged on the base; a left positioning block and a right positioning block are arranged between the left support plate and the right support plate in sequence; a clamping groove which can be matched with the side edge of a buckle plate is arranged on the back end face of the left positioning block; a left front positioning block and a right front positioning block are further arranged on the base; longitudinal pin holes are respectively formed in the right positioning block, the left front positioning block and the right front positioning block; mounting holes are respectively formed in a small operation crank arm on the rotating shaft, and larger operation crank arms on the left and right sides of the rotating shaft. By adopting the structure, that the radial positions and axial angles of all crank arms on the rotating shaft of the breaker are in the technical requirement range can be ensured reliably, and the problems that the two poles of the breaker are not in the same period and the breaker is not switched on completely are solved.
Description
Technical field
The utility model relates to a kind of special fixture that a kind of dc circuit breaker uses in rotating shaft welding process, and specifically a kind of breaker rotating axis for breaker rotating axis welding welds special positioning fixture.
Background technology
As everyone knows, breaker rotating axis includes an axis body, a large operation connecting lever that can operate moving contact is installed respectively at the two ends of axis body, between two large operation connecting levers, be also provided with and the buckle of main shaft transferring power and the little operation connecting lever of driving indicating mechanism, breaker rotating axis is as the vitals of transferring power in breaker, therefore in manufacturing process, require to have higher precision, present stage dc circuit breaker rotating shaft generally adopts splined shaft, spline crank arm and sleeve assembling, there is mismachining tolerance and rigging error in this shaft set, cause radial position and the axial angle of each connecting lever to have very large deviation, the exercise performance of breaker is caused to very large unfavorable factor, wherein the two poles of the earth synchronism on breaker, the impact such as put in place of closing a floodgate are very large.
Summary of the invention
The technical problems to be solved in the utility model is to provide and a kind ofly ensures on breaker rotating axis that special positioning fixture is welded in the radial position of each connecting lever and the breaker rotating axis of axial angle.
In order to solve the problems of the technologies described above, breaker rotating axis of the present utility model welds special positioning fixture, comprise base, on base, be respectively arranged with left support plate and the right support plate that can coordinate with two of a breaker rotating axis axle head, between left support plate and right support plate, be disposed with left locating piece and right locating piece, on the rear end face of left locating piece, be provided with the draw-in groove that can coordinate with buckle side; On base, be also provided with left front locating piece and the right front locating piece that can coordinate with two large operation connecting levers respectively, on right locating piece, left front locating piece and right front locating piece, have longitudinal pin-and-hole, on little operation connecting lever, the large operation connecting lever in rotating shaft left side and the large operation connecting lever on right side in rotating shaft, be respectively arranged with installing hole; When the location, can make little operation connecting lever be installed with alignment pin in a side of right locating piece and between the installing hole of little operation connecting lever and the pin-and-hole of right locating piece, make two side arms of the large operation connecting lever in left side be installed with alignment pin in the both sides of left front locating piece and between the installing hole of large operation connecting lever in left side and the pin-and-hole of left front locating piece, make two side arms of the large operation connecting lever on right side be installed with alignment pin between the installing hole of large operation connecting lever on Bing right side, the both sides of right front locating piece and the pin-and-hole of right front locating piece.
Described right front locating piece is positioned at the inner side of right support plate, and left front locating piece is positioned at the outside of left support plate.
On described right support plate, be provided with locating hole, the top of left support plate is provided with U-shaped groove supporting surface.
Adopt after above-mentioned structure, due to arrange for supporting the left-and-right supporting plate of breaker rotating axis and the locating piece that can position buckle on breaker rotating axis and each connecting lever, thus in welding process, each locating piece positions corresponding part, the relative position of each location-plate and base has ensured the radial position of each connecting lever, in welding process, ensure the precision after rotating shaft welding fabrication by the precision of controlling each part on fixture, the version of each location-plate self ensured the axial angle between each connecting lever, reach the technical requirement of rotating shaft welding, not only ensure reliably that thus the radial position of each connecting lever on breaker rotating axis and axial angle are within the scope of technical requirement, and the not same period and the problem such as not in place of closing a floodgate of the two poles of the earth that solved breaker.
Brief description of the drawings
Fig. 1 is the structural representation that the utility model breaker rotating axis welds special positioning fixture;
Fig. 2 is breaker rotating axis welded condition structural representation.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, breaker rotating axis of the present utility model is welded to special positioning fixture and be described in further detail.
As shown in Figure 2, breaker rotating axis 12 includes an axis body, the large operation connecting lever 10 in left side and the large operation connecting lever 11 on right side that can operate moving contact are installed respectively in the two ends of axis body, between the large operation connecting lever 10 in left side and the large operation connecting lever 11 on right side, be also provided with and the buckle 8 of main shaft transferring power and the little operation connecting lever 9 of driving indicating mechanism, breaker rotating axis of the present utility model welds special positioning fixture for welding the setting of above-mentioned breaker main shaft, it comprises base 1, on base 1, be respectively arranged with left support plate 2 and the right support plate 5 that can coordinate with two of breaker rotating axis 12 axle head, between left support plate 2 and right support plate 5, be disposed with left locating piece 3 and right locating piece 4, on the rear end face of left locating piece 3, be provided with the draw-in groove that can coordinate with buckle 8 sides, on base 1, be also provided with left front locating piece 6 and the right front locating piece 7 that can coordinate with two large operation connecting levers respectively, on right locating piece 4, left front locating piece 6 and right front locating piece 7, have longitudinal pin-and-hole, on little operation connecting lever 9, the large operation connecting lever 10 in rotating shaft left side and the large operation connecting lever 11 on right side in rotating shaft, be respectively arranged with installing hole, when the location, can make little operation connecting lever 9 be installed with alignment pin in a side of right locating piece 4 and between the installing hole of little operation connecting lever 9 and the pin-and-hole of right locating piece 4, make two side arms of the large operation connecting lever 10 in left side be installed with alignment pin in the both sides of left front locating piece 6 and between the installing hole of large operation connecting lever 10 in left side and the pin-and-hole of left front locating piece 6, make two side arms of the large operation connecting lever 11 on right side be installed with alignment pin between the installing hole of the large operation connecting lever 11 on Bing right side, the both sides of right front locating piece 7 and the pin-and-hole of right front locating piece 7.
Further, said described right front locating piece 7 is positioned at the inner side of right support plate 5, and left front locating piece 6 is positioned at the outside of left support plate 2, on said right support plate 5, is provided with locating hole, and the top of left support plate 2 is provided with U-shaped groove supporting surface.
When welding, rotating shaft 12 is positioned and is led by the shaft shoulder and the axle center of rotating shaft by rotating shaft locating piece and the gripper shoe of fixture; The large operation connecting lever 10 in left side and the large operation connecting lever 11 on right side are positioned and are fixed by pivot pin by left front locating piece 6 and right front locating piece 7 respectively; Buckle 8 is positioned by left locating piece 3; Little connecting lever 9 is positioned and is fixed by right locating piece 4 axis pins; By above location and fixing, relative position and the angle of each part in welding rotating shaft are all had to weld jig control; Ensure the precision after rotating shaft welding fabrication by the precision of controlling each part on fixture, can reach the technical requirement of rotating shaft welding.
Claims (3)
1. a dc circuit breaker rotating shaft welding special fixture, it is characterized in that: comprise base (1), on base (1), be respectively arranged with left support plate (2) and the right support plate (5) that can coordinate with two axle heads of breaker rotating axis (12), between left support plate (2) and right support plate (5), be disposed with left locating piece (3) and right locating piece (4), on the rear end face of described left locating piece (3), be provided with the draw-in groove that can coordinate with buckle (8) side, on described base (1), be also provided with left front locating piece (6) and the right front locating piece (7) that can coordinate with two large operation connecting levers respectively, on described right locating piece (4), left front locating piece (6) and right front locating piece (7), have longitudinal pin-and-hole, on little operation connecting lever (9), the large operation connecting lever (10) in rotating shaft left side and the large operation connecting lever (11) on right side in rotating shaft, be respectively arranged with installing hole, when the location, can make little operation connecting lever (9) be positioned at a side of right locating piece (4) and be installed with alignment pin between the installing hole of little operation connecting lever (9) and the pin-and-hole of right locating piece (4), make two side arms of large operation connecting lever (10) in left side be positioned at the both sides of left front locating piece (6) and be installed with alignment pin between the installing hole of large operation connecting lever (10) in left side and the pin-and-hole of left front locating piece (6), two side arms of the large operation connecting lever (11) on right side are positioned between the installing hole of large operation connecting lever (11) on the Bing right side, both sides of right front locating piece (7) and the pin-and-hole of right front locating piece (7) and are installed with alignment pin.
2. according to dc circuit breaker rotating shaft welding special fixture claimed in claim 1, it is characterized in that: described right front locating piece (7) is positioned at the inner side of right support plate (5), left front locating piece (6) is positioned at the outside of left support plate (2).
3. according to dc circuit breaker rotating shaft welding special fixture claimed in claim 1, it is characterized in that: on described right support plate (5), be provided with locating hole, the top of left support plate (2) is provided with U-shaped groove supporting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188454.1U CN203817676U (en) | 2014-04-18 | 2014-04-18 | Special fixture for welding rotating shaft of dc circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420188454.1U CN203817676U (en) | 2014-04-18 | 2014-04-18 | Special fixture for welding rotating shaft of dc circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203817676U true CN203817676U (en) | 2014-09-10 |
Family
ID=51473219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420188454.1U Expired - Lifetime CN203817676U (en) | 2014-04-18 | 2014-04-18 | Special fixture for welding rotating shaft of dc circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203817676U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790911A (en) * | 2017-11-13 | 2018-03-13 | 河南森源电气股份有限公司 | A kind of welder of breaker main shaft connecting lever |
-
2014
- 2014-04-18 CN CN201420188454.1U patent/CN203817676U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107790911A (en) * | 2017-11-13 | 2018-03-13 | 河南森源电气股份有限公司 | A kind of welder of breaker main shaft connecting lever |
| CN107790911B (en) * | 2017-11-13 | 2023-08-15 | 河南森源电气股份有限公司 | Welding device for main shaft crank arm of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151228 Address after: 212211 Jiangsu city of Yangzhong province science and Technology Park Road Xinba Daquan No. 11 Patentee after: Jiangsu Daqo Kaifan Electrical Appliance Co.,Ltd. Address before: 212211 Jiangsu city of Zhenjiang province Yangzhong city new town of New South Road, No. 66 Patentee before: DAQO GROUP Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: No.11 Daquan Road, science and Technology Park, Xinba Town, Yangzhong City, Jiangsu Province Patentee after: JIANGSU DAQO KFINE ELECTRIC Co.,Ltd. Address before: No.11 Daquan Road, science and Technology Park, Xinba Town, Yangzhong City, Jiangsu Province Patentee before: JIANGSU DAQO KAIFAN ELECTRICAL APPLIANCE Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140910 |
|
| CX01 | Expiry of patent term |