CN114567108A - Voltage-equalizing line arrangement structure of large-diameter rotor direct-current motor - Google Patents
Voltage-equalizing line arrangement structure of large-diameter rotor direct-current motor Download PDFInfo
- Publication number
- CN114567108A CN114567108A CN202210203647.9A CN202210203647A CN114567108A CN 114567108 A CN114567108 A CN 114567108A CN 202210203647 A CN202210203647 A CN 202210203647A CN 114567108 A CN114567108 A CN 114567108A
- Authority
- CN
- China
- Prior art keywords
- rotor core
- rotor
- equalizing line
- commutator
- support
- 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.)
- Pending
Links
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims description 8
- 241000239290 Araneae Species 0.000 claims description 6
- 239000000463 material Substances 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005065 mining Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 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
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
- H02K3/51—Fastening of winding heads, equalising connectors, or connections thereto applicable to rotors only
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
- H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K13/00—Structural associations of current collectors with motors or generators, e.g. brush mounting plates or connections to windings; Disposition of current collectors in motors or generators; Arrangements for improving commutation
- H02K13/006—Structural associations of commutators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Current Collectors (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The invention discloses a large-diameter rotor direct current motor equalizing line arrangement structure which comprises a commutator bar, a commutator pressing ring, a lifting piece, a rotor support and a rotor coil, wherein the commutator bar is connected with the lifting piece, the commutator pressing ring is arranged on the commutator bar, the structure is integrally sleeved on the rotor support, the rotor support is provided with the rotor coil, the large-diameter rotor direct current motor equalizing line arrangement structure further comprises an equalizing line support and an equalizing line, the lower part of the equalizing line is placed on the equalizing line support, two ends of a pin of the equalizing line are welded on the lifting piece, the equalizing line is supported between the commutator bar and the rotor coil by the equalizing line support, and the outer side of the equalizing line is bound and fixed through a weftless tape.
Description
Technical Field
The invention relates to a voltage-equalizing line arrangement structure of a large-diameter rotor direct-current motor, which is used in the field of motor manufacturing.
Background
With the development of the steel rolling and mining industries, the capacity and diameter of a direct current motor are required to be large. For a large-capacity large-diameter direct-current motor, if the equalizing line is arranged in a conventional mode, the material of the equalizing line is wasted.
According to the prior art at present, 2 common modes are arranged on the equalizing line of the direct current motor.
The first is the structure in patent application No. 201620047278.9. The voltage equalizing line structure is an involute structure, and the voltage equalizing line is arranged on a non-commutator end bracket of the rotor. The second is the structure in patent application No. 201620016777.9. The equalizing line is of a herringbone structure and is arranged below the end coil of the commutator.
The main problem that above-mentioned structure has is that the position that the equalizer was laid is fixed, and because structural constraint, the equalizer external diameter can't change in a flexible way, often too big, causes the waste of equalizer metal and insulating material.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a voltage-equalizing line arrangement structure of a large-diameter rotor direct-current motor, which can effectively reduce the outer diameter of the voltage-equalizing line and save material consumption.
One technical scheme for achieving the above purpose is as follows: the utility model provides a major diameter rotor direct current motor equalizer arrangement structure, including the commutator segment, the commutator clamping ring, the piece that rises, spider and rotor coil, wherein, the commutator segment is connected with the piece that rises, the commutator clamping ring sets up on the commutator segment, this structure wholly cup joints with spider on, install rotor coil on the spider, still include equalizer support and equalizer, lay on equalizer support the lower part of equalizer, the welding of the pin both ends of equalizer is on the piece that rises, the equalizer is supported by equalizer support between commutator segment and rotor coil, the outside of equalizer is fixed through no latitude area ligature.
Furthermore, the wire equalizing support is composed of a supporting portion and a connecting portion, the lower portion of the wire equalizing support is supported on the supporting portion, and the wire equalizing support is fixedly connected with the motor through the connecting portion.
Preferably, the connecting part is fixedly connected with the commutator pressing ring.
Preferably, the connection mode of the equalizer bar bracket and the commutator pressing ring is bolt connection or welding.
Preferably, the connecting portion is fixedly connected to the rotor holder.
Preferably, the connection mode of the equalizer bar bracket and the rotor bracket is bolt connection or welding.
The voltage-equalizing line arrangement structure of the large-diameter rotor direct current motor has the following advantages:
1. the equalizing line is independently fixed, so that the heat dissipation performance is good, and the reliability of the motor rotor is improved;
2. the installation of the equalizing line is separated from the assembly process of the motor to form an independent assembly process, and the installation process is simple and efficient;
3. the diameter of the equalizing line can be adjusted by adjusting the outer diameter of the equalizing line bracket, so that the material is saved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a voltage-equalizing line arrangement structure of a large-diameter rotor dc motor according to the present invention;
fig. 2 is a schematic structural diagram of another embodiment of a voltage-equalizing line arrangement structure of a large-diameter rotor direct-current motor according to the present invention.
Detailed Description
In order to better understand the technical solution of the present invention, the following detailed description is made by specific examples:
example 1
Referring to fig. 1, taking a 2600KW, 58r/min mining hoisting dc motor customized by a mining enterprise as an example, the outer diameter of the rotor of the motor is 3150mm, the outer diameter of the commutator is 2200mm, and when the motor is designed, the equalizing line adopts the structure of the invention, and comprises a commutator segment 1, a commutator clamping ring 2, an equalizing line bracket 3, an equalizing line 4, a riser 5, a rotor bracket 6, a rotor clamping ring 7 and a rotor coil 8.
The invention utilizes the characteristics of the large-diameter rotor, the space between the large-diameter rotor commutator segment 1 and the rotor coil 8 is very large, the uniform voltage wire 4 is suitable to be placed, the outer diameter of the uniform voltage wire 4 can be matched through the outer diameter of the uniform voltage wire bracket 3, the diameter of the uniform voltage wire 4 is minimized, and the outer diameter of the uniform voltage wire 4 can be flexibly selected without being limited by the rotor structure. The specific structure is that the equalizing line 4 adopts a herringbone shape, two ends of a pin of the equalizing line 4 are welded on the lifting piece 5, the lower part of the equalizing line 4 is arranged on the equalizing line bracket 3, the equalizing line bracket 3 is fixed on the commutator pressing ring 2 through a bolt, and the outer side of the equalizing line 4 is fixed through a weftless tape.
The specific assembling method of the structure comprises the steps of assembling the commutator segment 1, the lifting segment 5 and the commutator clamping ring 2, fixing the equalizing line support 3 to the commutator clamping ring 5 through bolts, fixing the equalizing line 4 to the equalizing line support 3, beating a weftless tape, welding pins of the equalizing line 4 and the lifting segment 5 at the same time, sleeving the rotor support 6 on the whole, welding the lifting segment 5 and the rotor coil 8, and installing the rotor clamping ring 7.
Through measurement and calculation, the minimum diameter of the outer diameter of the equalizing line 4 is 2355 mm. If the structure in patent application No. 201620047278.9 is adopted in this project, the external diameter of the equalizer needs to be selected to be about 3000 mm. In practice, 65kg of equalizing line material (copper and insulation) can be saved for each motor, and according to 80 yuan per kg of copper at present, the material cost can be saved for each motor by 5200 yuan.
Example 2
Referring to fig. 2, if the pressing ring of the commutator 2 is not suitable for installing the equalizer bar support 3, the equalizer bar support 3 is directly welded to the rotor support 6.
At the moment, the assembly sequence is that firstly, the equalizing line 4 is fixed on the equalizing line support 3 after welding is finished, then the commutator segment 1, the elevating segment 5 and the commutator pressing ring 2 are assembled, then the commutator is sleeved, finally, the pin of the equalizing line 4 and the elevating segment 5 are welded, and finally, the elevating segment 5 and the rotor coil 8 are welded.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (6)
1. The utility model provides a major diameter rotor direct current motor voltage-sharing line arrangement structure, includes commutator segment, commutator clamping ring, rises piece, spider and rotor coil, and wherein, the commutator segment is connected with the piece that rises, and the commutator clamping ring setting is on the commutator segment, and this structure is whole cup joint with spider on, the last rotor coil, its characterized in that of installing of spider: the rotor comprises a commutator segment, a rotor coil, a rotor core and a rotor core, wherein the rotor core is arranged on the rotor core, the rotor core and the rotor core are arranged on the rotor core, the rotor core is arranged on the rotor core, the rotor core is arranged on the rotor core, and the rotor core, the rotor core is arranged, the rotor core, and the rotor core is arranged, and the rotor core are arranged, the rotor core, and the rotor core, the rotor core is arranged, and the rotor core are arranged, the rotor core, and the rotor core, and the rotor core are arranged, and the rotor core are arranged in the rotor core, and the rotor core are arranged in the rotor core are arranged, and the rotor core are arranged, and the rotor core are arranged, and.
2. The arrangement structure of the equalizing line of the large-diameter rotor DC motor as claimed in claim 1, wherein the equalizing line bracket is composed of a support part and a connecting part, the lower part of the equalizing line is supported on the support part, and the equalizing line bracket is fixedly connected with the motor through the connecting part.
3. The structure of claim 2, wherein the connecting portion is fixedly connected to the commutator clamping ring.
4. The arrangement structure of the voltage-sharing wire of the large-diameter rotor direct-current motor according to claim 3, wherein the connection mode of the voltage-sharing wire support and the commutator pressing ring is bolt connection or welding.
5. The structure of claim 2, wherein the connecting portion is fixedly connected to the rotor bracket.
6. The large-diameter rotor direct-current motor voltage equalizing wire arrangement structure as claimed in claim 5, wherein the connection mode of the voltage equalizing wire support and the rotor support is bolt connection or welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210203647.9A CN114567108A (en) | 2022-03-03 | 2022-03-03 | Voltage-equalizing line arrangement structure of large-diameter rotor direct-current motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210203647.9A CN114567108A (en) | 2022-03-03 | 2022-03-03 | Voltage-equalizing line arrangement structure of large-diameter rotor direct-current motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114567108A true CN114567108A (en) | 2022-05-31 |
Family
ID=81718157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210203647.9A Pending CN114567108A (en) | 2022-03-03 | 2022-03-03 | Voltage-equalizing line arrangement structure of large-diameter rotor direct-current motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114567108A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515695A (en) * | 1974-12-06 | 1978-06-28 | Bosch Gmbh Robert | Dc machine |
| JPH0543771U (en) * | 1991-11-14 | 1993-06-11 | 株式会社東芝 | Rotating machine commutator |
| JP2005204459A (en) * | 2004-01-19 | 2005-07-28 | Matsushita Electric Ind Co Ltd | Compact motor |
| CN2731791Y (en) * | 2004-09-10 | 2005-10-05 | 永济铁路电机电器修配有限责任公司 | D.C. motor commutator inlaid with uniform pressure line |
| JP2006129604A (en) * | 2004-10-28 | 2006-05-18 | Namiki Precision Jewel Co Ltd | Commutator segment, manufacturing method therefor and small direct-current motor |
| KR20130121009A (en) * | 2012-04-26 | 2013-11-05 | 미쓰비시덴키 가부시키가이샤 | Rotating electrical machine |
| CN203406757U (en) * | 2013-08-28 | 2014-01-22 | 赵良顺 | Three-phase automatic control synchronous motor |
| CN108512365A (en) * | 2018-04-18 | 2018-09-07 | 上海马陆日用友捷汽车电气有限公司 | A kind of dc motor |
| CN108566052A (en) * | 2018-08-14 | 2018-09-21 | 新誉轨道交通科技有限公司 | DC motor commutator structure and direct current generator |
| CN110474465A (en) * | 2019-09-24 | 2019-11-19 | 上海电气集团上海电机厂有限公司 | It reserves radial passage structure and its without latitude band technology for binding in a kind of armature of direct current motor commutator end |
-
2022
- 2022-03-03 CN CN202210203647.9A patent/CN114567108A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1515695A (en) * | 1974-12-06 | 1978-06-28 | Bosch Gmbh Robert | Dc machine |
| JPH0543771U (en) * | 1991-11-14 | 1993-06-11 | 株式会社東芝 | Rotating machine commutator |
| JP2005204459A (en) * | 2004-01-19 | 2005-07-28 | Matsushita Electric Ind Co Ltd | Compact motor |
| CN2731791Y (en) * | 2004-09-10 | 2005-10-05 | 永济铁路电机电器修配有限责任公司 | D.C. motor commutator inlaid with uniform pressure line |
| JP2006129604A (en) * | 2004-10-28 | 2006-05-18 | Namiki Precision Jewel Co Ltd | Commutator segment, manufacturing method therefor and small direct-current motor |
| KR20130121009A (en) * | 2012-04-26 | 2013-11-05 | 미쓰비시덴키 가부시키가이샤 | Rotating electrical machine |
| CN203406757U (en) * | 2013-08-28 | 2014-01-22 | 赵良顺 | Three-phase automatic control synchronous motor |
| CN108512365A (en) * | 2018-04-18 | 2018-09-07 | 上海马陆日用友捷汽车电气有限公司 | A kind of dc motor |
| CN108566052A (en) * | 2018-08-14 | 2018-09-21 | 新誉轨道交通科技有限公司 | DC motor commutator structure and direct current generator |
| CN110474465A (en) * | 2019-09-24 | 2019-11-19 | 上海电气集团上海电机厂有限公司 | It reserves radial passage structure and its without latitude band technology for binding in a kind of armature of direct current motor commutator end |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20220531 |