CN204216697U - A kind of end ring welding assembly - Google Patents
A kind of end ring welding assembly Download PDFInfo
- Publication number
- CN204216697U CN204216697U CN201420726648.2U CN201420726648U CN204216697U CN 204216697 U CN204216697 U CN 204216697U CN 201420726648 U CN201420726648 U CN 201420726648U CN 204216697 U CN204216697 U CN 204216697U
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- Prior art keywords
- end ring
- groove
- welding
- sliver
- stress
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- 238000003466 welding Methods 0.000 title claims abstract description 72
- 229910000679 solder Inorganic materials 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The utility model discloses a kind of end ring welding assembly, comprise the end ring and sliver that are welded and fixed, described end ring has the welding groove matched with described sliver, between the outer wall of described welding groove and described sliver and between the inwall of described welding groove and described sliver, be all filled with solder; Described end ring has stress groove, described stress groove is positioned at the inwall side near described welding groove along the radial direction of described end ring.By arranging stress groove in the inner side of end ring; the internal stress of welding position between end ring and sliver can be made effectively to be discharged; thus weld seam in available protecting process of setting and solder structure; solder position is avoided to produce the wound structures such as linear micro-crack; effectively ensure that the overall structure reliability of end ring welding assembly, and make the overall work process of traction electric machine more reliable and more stable.
Description
Technical field
The utility model relates to traction electric machine end ring component technology field, particularly a kind of end ring welding assembly.
Background technology
Traction electric machine all plays an important role at the industry-by-industry of national economy.In traction electric machine agent structure, end ring is generally connected by welding manner with sliver, and end ring material is generally fine copper, and hardness is lower; Guide bar material is generally alloy copper material, and hardness is higher, and solder is generally money base solder.
In weld job process, processing temperature raises, and end ring is directly heated, and temperature is higher, now end ring expanded by heating, and diameter variable quantity is comparatively large, and sliver is heated indirectly, and temperature is lower, and physical dimension change is less.After having welded, solder solidifies cooling gradually, now owing to being subject to the impact of sliver rigidity, end ring external welding portion shrinks and is suppressed, and weld part continues to shrink in it, make the silver solder be in end ring between weld part and sliver be subject to tension stress impact, cause this solder place, position may produce trickle wire crackle, thus normally use and bring certain potential safety hazard to motor, and adverse effect is caused to relevant production work.
Therefore, how to avoid the structure influence of welding stress end ring welding assembly, and ensure that the functional reliability of traction electric machine is the important technological problems that those skilled in the art need to solve at present.
Utility model content
The purpose of this utility model is to provide a kind of end ring welding assembly, and this end ring welding assembly can avoid the structure influence of welding stress end ring welding assembly, and ensures the functional reliability of traction electric machine.
For solving the problems of the technologies described above, the utility model provides a kind of end ring welding assembly, comprise the end ring and sliver that are welded and fixed, described end ring has the welding groove matched with described sliver, between the outer wall of described welding groove and described sliver and between the inwall of described welding groove and described sliver, be all filled with solder;
Described end ring has stress groove, described stress groove is positioned at the inwall side near described welding groove along the radial direction of described end ring.
Preferably, the outer wall of described stress groove parallels with the inwall of described welding groove.
Preferably, the distance between the outer wall of described stress groove and the inwall of described welding groove is 0.5mm ~ 2mm.
Preferably, the degree of depth of described stress groove is 2mm ~ 4mm, and the width of described stress groove is 2mm ~ 4mm.
Preferably, the bottom of the cross section of described stress groove is arc.
Preferably, the cross section of described stress groove is semicircle.
Preferably, the cross section of described stress groove is rectangle or triangle.
Relative above-mentioned background technology; end ring welding assembly provided by the utility model; by arranging stress groove in the inner side of end ring; the internal stress of welding position between end ring and sliver can be made effectively to be discharged; thus weld seam in available protecting process of setting and solder structure; avoid solder position to produce the wound structures such as linear micro-crack, effectively ensure that the overall structure reliability of end ring welding assembly, and make the overall work process of traction electric machine more reliable and more stable.
In another preferred version of the present utility model, the outer wall of described stress groove parallels with the inwall of described welding groove.This kind of parallel construction can ensure that the Stress Release at welding groove place is more uniform and stable, and after avoiding Stress Release, deformation or textural anomaly occur for welding groove and end ring agent structure place.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The partial structurtes schematic diagram of the end ring welding assembly that Fig. 1 provides for a kind of embodiment of the utility model.
Embodiment
Core of the present utility model is to provide a kind of end ring welding assembly, and this end ring welding assembly can avoid the structure influence of welding stress end ring welding assembly, and ensures the functional reliability of traction electric machine.
In order to make those skilled in the art person understand the utility model scheme better, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Please refer to Fig. 1, the partial structurtes schematic diagram of the end ring welding assembly that Fig. 1 provides for a kind of embodiment of the utility model.
In a specific embodiment, end ring welding assembly provided by the utility model, comprise the end ring 11 and sliver 12 that are welded and fixed, end ring 11 has the welding groove 111 matched with sliver 12, between the outer wall 112 of welding groove 111 and sliver 12 and between the inwall 113 of welding groove 111 and sliver 12, be all filled with solder; End ring 11 has stress groove 13, stress groove 13 is positioned at inwall 113 side near welding groove 111 along the radial direction of end ring 11.
In the course of work; by arranging stress groove 13 in the inner side of end ring 11; the internal stress of welding position between end ring 11 and sliver 12 can be made effectively to be discharged; thus weld seam in available protecting process of setting and solder structure; solder position is avoided to produce the wound structures such as linear micro-crack; effectively ensure that the overall structure reliability of end ring welding assembly, and make the overall work process of traction electric machine more reliable and more stable.
Further, the outer wall 131 of stress groove 13 parallels with the inwall 113 of welding groove 111.This kind of parallel construction can ensure that the Stress Release at welding groove 111 place is more uniform and stable, and after avoiding Stress Release, deformation or textural anomaly occur for welding groove 111 and end ring 11 agent structure place.
Particularly, as shown in a in Fig. 1, the distance a between the outer wall 131 of stress groove 13 and the inwall 113 of welding groove 111 is 0.5mm ~ 2mm.This spacing specification can provide enough spaces for Stress Release, to ensure the weld part Stress Release uniform and complete more of end ring 11.
More specifically, the degree of depth b of stress groove 13 is 2mm ~ 4mm, and the width c of stress groove 13 is 2mm ~ 4mm.It should be pointed out that in Fig. 1, the dimensions of a, b and c is not limited to mentioned above, as long as the actual use needs of described end ring welding assembly can be met.
On the other hand, the bottom of the cross section of stress groove 13 is arc.Specific in actual mechanical process, the bottom of this stress groove 13 requires that transition is smooth, and without sharp edge or burr.
In addition, the cross section of stress groove 13 can also be specially semicircle, rectangle or triangle etc., and the cross section of above-mentioned each shape all can the structural reliability of proof stress groove 13 and Stress Release tolerance, ensures that the overall structure of end ring welding assembly is reliable and stable.Certainly, the cross-sectional structure of stress groove 13 is not limited to mentioned above, as long as can meet the actual use needs of described end ring welding assembly.
In summary, the end ring welding assembly provided in the utility model, comprise the end ring and sliver that are welded and fixed, described end ring has the welding groove matched with described sliver, between the outer wall of described welding groove and described sliver and between the inwall of described welding groove and described sliver, be all filled with solder; Described end ring has stress groove, described stress groove is positioned at the inwall side near described welding groove along the radial direction of described end ring.By arranging stress groove in the inner side of end ring; the internal stress of welding position between end ring and sliver can be made effectively to be discharged; thus weld seam in available protecting process of setting and solder structure; solder position is avoided to produce the wound structures such as linear micro-crack; effectively ensure that the overall structure reliability of end ring welding assembly, and make the overall work process of traction electric machine more reliable and more stable.
Above end ring welding assembly provided by the utility model is described in detail.Apply specific case herein to set forth principle of the present utility model and execution mode, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection range of the utility model claim.
Claims (7)
1. an end ring welding assembly, it is characterized in that: comprise the end ring and sliver that are welded and fixed, described end ring has the welding groove matched with described sliver, between the outer wall of described welding groove and described sliver and between the inwall of described welding groove and described sliver, be all filled with solder;
Described end ring has stress groove, described stress groove is positioned at the inwall side near described welding groove along the radial direction of described end ring.
2. end ring welding assembly as claimed in claim 1, is characterized in that: the outer wall of described stress groove parallels with the inwall of described welding groove.
3. end ring welding assembly as claimed in claim 2, is characterized in that: the distance between the outer wall of described stress groove and the inwall of described welding groove is 0.5mm ~ 2mm.
4. end ring welding assembly as claimed in claim 1, it is characterized in that: the degree of depth of described stress groove is 2mm ~ 4mm, the width of described stress groove is 2mm ~ 4mm.
5. end ring welding assembly as claimed in claim 1, is characterized in that: the bottom of the cross section of described stress groove is arc.
6. end ring welding assembly as claimed in claim 5, is characterized in that: the cross section of described stress groove is for semicircle.
7. end ring welding assembly as claimed in claim 1, is characterized in that: the cross section of described stress groove is rectangle or triangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726648.2U CN204216697U (en) | 2014-11-27 | 2014-11-27 | A kind of end ring welding assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420726648.2U CN204216697U (en) | 2014-11-27 | 2014-11-27 | A kind of end ring welding assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204216697U true CN204216697U (en) | 2015-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420726648.2U Expired - Fee Related CN204216697U (en) | 2014-11-27 | 2014-11-27 | A kind of end ring welding assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204216697U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364247A (en) * | 2015-12-22 | 2016-03-02 | 南车株洲电机有限公司 | Anti-cracking welding method for end ring and conducting bar of motor rotor and anti-cracking soldered joint |
| CN108777539A (en) * | 2018-06-26 | 2018-11-09 | 中车永济电机有限公司 | A kind of motor cage rotor structure with siphon diversion trench |
-
2014
- 2014-11-27 CN CN201420726648.2U patent/CN204216697U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364247A (en) * | 2015-12-22 | 2016-03-02 | 南车株洲电机有限公司 | Anti-cracking welding method for end ring and conducting bar of motor rotor and anti-cracking soldered joint |
| CN105364247B (en) * | 2015-12-22 | 2017-08-25 | 南车株洲电机有限公司 | The anticracking welding method and anticracking soldered fitting of motor rotor end ring and sliver |
| CN108777539A (en) * | 2018-06-26 | 2018-11-09 | 中车永济电机有限公司 | A kind of motor cage rotor structure with siphon diversion trench |
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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: 20150318 |