CN101958621B - Wound motor rotor conductive ring protection mode and fixing device - Google Patents
Wound motor rotor conductive ring protection mode and fixing device Download PDFInfo
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- CN101958621B CN101958621B CN2010102745646A CN201010274564A CN101958621B CN 101958621 B CN101958621 B CN 101958621B CN 2010102745646 A CN2010102745646 A CN 2010102745646A CN 201010274564 A CN201010274564 A CN 201010274564A CN 101958621 B CN101958621 B CN 101958621B
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- conducting ring
- compact heap
- end frame
- compaction
- motor rotor
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Abstract
The invention discloses a wound motor rotor conductive ring protection mode and a fixing device. Rotor conductive rings are fixed in the cavity at the end of a rotor winding by adopting a compaction structure. The compaction structure mainly comprises an end bracket, compaction blocks and conductive rings, wherein the pre-packed insulated conductive rings are pushed into the end bracket one by one, and then the conductive rings are compacted on the bracket by using the compaction blocks to form a gapless whole so as to avoid the damage of the centrifugal force; the end bracket can be welded by adopting different nonmagnetic steel plates and also can be cast by cast steel; and the compaction blocks are processed by nonmagnetic steel plates, and each compaction block is provided with two through holes for assembling bolts. In addition, screw holes can be processed at different positions of the compaction surface of the end bracket as required. Each compaction block is fastened with the end bracket through two standard bolts, and the size and the grade of the bolts are determined according to the stress condition so as to ensure that the conductive rings can be safely fixed by the compaction blocks.
Description
Technical field
The present invention relates to a kind of component protection mode and device of winding motor rotor; Be meant a kind of protected mode and fixture of conducting ring of motor rotor specifically; Winding motor rotor conducting ring protected mode and fixture can be protected each conducting ring of rotor effectively; Fixing more reliable more convenient, economical and practical with replacing, be particularly useful for various big-and-middle-sized winding motor rotors.
Background technology
For the winding motor rotor, be divided into " △ " and connect method with " Y ".These the two types rotor neutral lines that connect method all need to be connected in rotor tip formation with each parallel branch lead-out wire, and this coupling part is commonly referred to conducting ring.Conducting ring is all processed with copper material generally speaking; Its mechanical and physical property relatively a little less than; Conducting ring receives big centrifugal action when the motor high speed rotating; Be easy to generate the phenomenon of mechanical failure, directly influence the reliability of motor, this just requires the coefficient of safety of each conducting ring fixed structure of winding motor very high.
At present, the fixing fixed form that generally all adopts built-in binding-type or surperficial binding-type of the conducting ring of big-and-middle-sized winding motor, these frame modes all have shortcoming in various degree to the protection of conducting ring; And take a large amount of area of space; Change inconvenience, built-in binding-type when special is changed a conducting ring; Often to destroy the end banding of whole rotor, waste lot of manpower and material resources.Along with the variation of winding motor applied environment, the power of winding motor and performance are improving constantly, and be fixing also more and more important to the safety of rotor conducting ring, and it is more and more obvious that traditional fixed form is not enough to satisfy more high performance requirement.Therefore necessary this is further improved.
Summary of the invention
The object of the invention in order to overcome the deficiency that prior art exists on fixing to big-and-middle-sized phase-wound rotor conducting ring, provides a kind of more effectively protection exactly, and can easily realize conducting ring fixed form and the device installing and change.Winding motor rotor conducting ring protected mode and fixture can not only satisfy the needs of more high performance conducting ring protection, and fixing more reliable more convenient with the replacing conducting ring.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of winding motor rotor conducting ring protected mode, the conducting ring that will wrap up insulation earlier pushes in the end frame one by one, and the rotor conducting ring can be that axially to be stacked together also can be radially to stack; With compact heap conducting ring is pressed on the support then; Two through holes that are used for assembling bolt are arranged on each compact heap, and fastening through the bolt and the end frame of two standards, the size and the grade of bolt are confirmed according to stressed situation; Thereby guarantee fixing each conducting ring that compact heap can be safe; Let them form the integral body of a zero-clearance, avoid the destroying infection of centrifugal force, thereby protected winding motor rotor conducting ring.
A kind of fixture of implementing winding motor rotor conducting ring protected mode is utilized winding motor rotor conducting ring protected mode, and the winding motor rotor conducting ring fixture of employing comprises end frame, compact heap and conducting ring three parts; End frame can adopt not magnetic conduction steel plate welding, also can be formed by the cast steel casting; Compact heap is processed by magnetic conduction steel plate not; Each compact heap lower end compact heap base has two through holes that are used for assembling bolt; Top is the compact heap gland; Compact heap base and compact heap gland constitute L type compact heap, in addition, and can be according to the seal face diverse location processing screw hole of demand at end frame.Each compact heap is fastening through the bolt compact heap base and the end frame of two standards, and the size and the grade of bolt are confirmed according to stressed situation, thereby guaranteed fixing each conducting ring that the compact heap gland can be safe.Conducting ring is placed in the end frame after bandaging insulation in advance; Its cylindrical and the end frame inner chamber relation that becomes to closely cooperate; If also can be when needing insulation to strengthen at the insulating barrier of end frame and the interpolation protective effect of conducting ring contact site; In the ordinary course of things, this insulating barrier can be made up of insulating paper and expanding material jointly.
Adopt winding motor rotor conducting ring protected mode and fixture, have following advantage:
1, each conducting ring can have been wrapped up the assembling of insulation back, has eliminated the difficult point of wrapping insulation in assembling process.
2, there are not friction and displacement each other after each conducting ring is fixed, reduced insulation fault.
3, end frame cooperates a protection of formation barrier with the conducting ring zero-clearance, when rotor high-speed rotates, can be born the centrifugal force of conducting ring by end frame, has eliminated the destruction of centrifugal force to conducting ring.
4, compact heap and end frame have adopted not magnetic conduction steel, have avoided the influence of induced field, have reduced heat generating spot.
5, it is convenient to change conducting ring, can not destroy other part of rotor winding overhang, only need take off corresponding link both can, can not cause the wide variety of materials waste, practice thrift more manpower and materials.
In sum, the present invention a kind ofly can provide effective protection, and the protected mode and the fixture of economical and practical wound rotor conducting ring easy to install and replace.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a side-looking direction structure sketch map of the present invention;
Among the figure: 1, end frame; 2, conducting ring; 3, compact heap; 4, fastening bolt; 5, compact heap gland; 6, compact heap base.
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified.
Fig. 1 and Fig. 2 have provided a kind of structure embodiment of the present invention; The present invention is a kind of winding motor rotor conducting ring protected mode, and the conducting ring that will wrap up insulation earlier pushes in the end frame one by one, and the rotor conducting ring can be that axially to be stacked together also can be radially to stack; With compact heap conducting ring is pressed on the support then; Two through holes that are used for assembling bolt are arranged on each compact heap, and fastening through the bolt and the end frame of two standards, the size and the grade of bolt are confirmed according to stressed situation; Thereby guarantee fixing each conducting ring that compact heap can be safe; Let them form the integral body of a zero-clearance, avoid the destroying infection of centrifugal force, thereby protected winding motor rotor conducting ring.
A kind of employing winding motor rotor conducting ring protected mode fixture, winding motor rotor conducting ring fixture are in the rotor coil end portion cavity, to adopt fixedly conducting ring of end frame and compact heap.Described compressing structure mainly is to be made up of end frame and compact heap, and end frame is connected through bolt with compact heap, replacing for convenience detach.What Fig. 1 embodiment provided is a structural representation, and end frame 1 is fixed on the machine shaft, and its maximum outside diameter is more smaller than rotor coil end portion cavity; The conducting ring 2 that has bandaged insulation is by pushing in the end frame outward, and forms zero-clearance with end frame and cooperate; With compact heap 3 conducting ring 2 is compressed then, the quantity of compact heap 3 can be according to the configuration of concrete needs, and its main principle is to be convenient for changing and fastening firm, generally adopts 4～9, and compact heap 3 is connected through fastening bolt 4 with end frame 1.That Fig. 2 provides is the embodiment of a compact heap 2.Compact heap lower end compact heap base 6 has two through holes that are used for assembling hold-down bolt 3; Top is compact heap gland 5; Compact heap base 6 constitutes L type compact heap 3 with compact heap gland 5, in addition, and can be according to the seal face diverse location processing screw hole of demand at end frame; The bolt 4 compact heap bases 6 of each compact heap through two standards and end frame are fastening 1, and size and the grade of bolt 4 are confirmed according to stressed situation, thereby guaranteed each conducting ring 2 of fixing that compact heap gland 5 can be safe.It is effectively fixing that whole hold down gag can guarantee effectively that each conducting ring 2 can both obtain, and on conducting ring 2 cylindricals, form the barrier of a pipe protection, when rotor high-speed rotates, can be born the centrifugal force of conducting ring 2 by end frame 1.
Conducting ring 2 that is compressed by compact heap 3 and the dielectric strength between the end frame 1 generally insulate through the wrapping of conducting ring itself and guarantee; But also can in end frame, put insulating material and expanding material by planchet, not only strengthen dielectric strength but also realize that zero-clearance cooperates.
Claims (8)
1. winding motor rotor conducting ring protected mode; It is characterized in that: the conducting ring that will wrap up insulation earlier pushes in the end frame one by one, and fastening through the bolt and the end frame of two standards, the size and the grade of bolt are confirmed according to stressed situation; Thereby guarantee fixing each conducting ring that compact heap can be safe; Let them form the integral body of a zero-clearance, avoid the destroying infection of centrifugal force, thereby protected winding motor rotor conducting ring.
2. implement the fixture of winding motor rotor conducting ring protected mode according to claim 1 for one kind, it is characterized in that: winding motor rotor conducting ring fixture comprises end frame, compact heap and conducting ring three parts; Wherein, the rotor conducting ring is stacked together, and the through hole of assembling bolt is arranged on the compact heap, and bolt compresses rotor conducting ring and end frame according to the seal face diverse location processing screw hole of demand at end frame with compact heap.
3. fixture as claimed in claim 2 is characterized in that: described rotor conducting ring axially is stacked together.
4. fixture as claimed in claim 2 is characterized in that: described rotor conducting ring radially is stacked together.
5. like claim 2 or 3 or 4 described fixtures; It is characterized in that: adopt compact heap structure fixed rotor conducting ring; Compact heap comprises compact heap gland and compact heap base two parts; Two through holes that are used for assembling bolt are arranged, according to the seal face diverse location processing screw hole of demand on the compact heap base at end frame.
6. like claim 2 or 3 or 4 described fixtures, it is characterized in that: described rotor conducting ring forms zero-clearance with end frame and cooperates.
7. like claim 2 or 3 or 4 described fixtures, it is characterized in that: compact heap and end frame material therefor are magnetic conduction steel not.
8. like claim 2 or 3 or 4 described fixtures, it is characterized in that: it is expanding material that the interior planchet of end frame is put insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102745646A CN101958621B (en) | 2010-09-07 | 2010-09-07 | Wound motor rotor conductive ring protection mode and fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102745646A CN101958621B (en) | 2010-09-07 | 2010-09-07 | Wound motor rotor conductive ring protection mode and fixing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101958621A CN101958621A (en) | 2011-01-26 |
| CN101958621B true CN101958621B (en) | 2012-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102745646A Active CN101958621B (en) | 2010-09-07 | 2010-09-07 | Wound motor rotor conductive ring protection mode and fixing device |
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| CN (1) | CN101958621B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105322688A (en) * | 2015-11-17 | 2016-02-10 | 天津市天发重型水电设备制造有限公司 | Novel anti-whip fixing structure for rotor interelectrode connecting line |
| CN107733119A (en) * | 2017-09-28 | 2018-02-23 | 江苏中车电机有限公司 | A kind of reinforced end ring fixed seat of motor insulating protection |
| CN110445323A (en) * | 2019-07-31 | 2019-11-12 | 江苏中车电机有限公司 | Large-scale rotor of direct-drive permanent magnet wind driven generator makes overall process anti-deformation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0788213A1 (en) * | 1996-02-02 | 1997-08-06 | General Electric Company | Double insulated seal casing for electrical generator |
| CN2899199Y (en) * | 2006-01-26 | 2007-05-09 | 王太历 | Integrated current-collecting ring of electric motor |
| CN101494408A (en) * | 2009-03-10 | 2009-07-29 | 永济新时速电机电器有限责任公司 | Brushless excitation synchronous generator |
| CN101702559A (en) * | 2009-11-18 | 2010-05-05 | 永济新时速电机电器有限责任公司 | Winding motor with novel rotor leading-out wire fixing structure |
| CN201466899U (en) * | 2009-06-17 | 2010-05-12 | 湘潭世通电气有限公司 | Composite insulating collector ring for motor |
| CN201549984U (en) * | 2009-12-09 | 2010-08-11 | 江西泰豪特种电机有限公司 | Excitation slip-ring for brush waterwheel generator |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006129603A (en) * | 2004-10-28 | 2006-05-18 | Hitachi Industrial Equipment Systems Co Ltd | Wound-rotor induction motor |
-
2010
- 2010-09-07 CN CN2010102745646A patent/CN101958621B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0788213A1 (en) * | 1996-02-02 | 1997-08-06 | General Electric Company | Double insulated seal casing for electrical generator |
| CN2899199Y (en) * | 2006-01-26 | 2007-05-09 | 王太历 | Integrated current-collecting ring of electric motor |
| CN101494408A (en) * | 2009-03-10 | 2009-07-29 | 永济新时速电机电器有限责任公司 | Brushless excitation synchronous generator |
| CN201466899U (en) * | 2009-06-17 | 2010-05-12 | 湘潭世通电气有限公司 | Composite insulating collector ring for motor |
| CN101702559A (en) * | 2009-11-18 | 2010-05-05 | 永济新时速电机电器有限责任公司 | Winding motor with novel rotor leading-out wire fixing structure |
| CN201549984U (en) * | 2009-12-09 | 2010-08-11 | 江西泰豪特种电机有限公司 | Excitation slip-ring for brush waterwheel generator |
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| Publication number | Publication date |
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| CN101958621A (en) | 2011-01-26 |
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Application publication date: 20110126 Assignee: Jiangsu CSR Electric Co., Ltd. Assignor: CSR Zhuzhou Electric Machine Co., Ltd. Contract record no.: 2012430000228 Denomination of invention: Wound motor rotor conductive ring protection mode and fixing device Granted publication date: 20120725 License type: Exclusive License Record date: 20121130 |
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