CN110868019B - Air-cooled outer rotor permanent magnet direct-drive synchronous belt transmission roller motor - Google Patents
Air-cooled outer rotor permanent magnet direct-drive synchronous belt transmission roller motor Download PDFInfo
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- CN110868019B CN110868019B CN201911267074.0A CN201911267074A CN110868019B CN 110868019 B CN110868019 B CN 110868019B CN 201911267074 A CN201911267074 A CN 201911267074A CN 110868019 B CN110868019 B CN 110868019B
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- motor
- permanent magnet
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- stator
- belt transmission
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000005389 magnetism Effects 0.000 claims description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000001816 cooling Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005405 multipole Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
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- 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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
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- 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
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2786—Outer rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention relates to the technical field of motors, and discloses an air-cooled outer rotor permanent magnet direct-drive synchronous belt transmission roller motor, which solves the problems that the existing permanent magnet direct-drive motor is large in size, limited by field space, not easy to install when being connected with a belt roller, and the outer rotor permanent magnet synchronous motor is cooled by water and oil, has complex process and is easy to leak water or oil to cause motor damage; through air inlet fan and exhaust fan cooperation for wind can be through inside the heat of taking out of whole motor, and this kind of forced air cooling structure makes the motor reliability high, and stability is good, and the mechanism is simple and maintain the convenience.
Description
Technical Field
The invention belongs to the technical field of motors, and particularly relates to an air-cooled outer rotor permanent magnet direct-drive synchronous belt transmission roller motor.
Background
In order to reduce a speed reducer between a motor and belt conveying equipment, the existing permanent magnet direct-drive synchronous motor is widely used, but the permanent magnet direct-drive motor is large in size, limited by site space and not easy to install in connection with a belt roller, and in order to solve the problems, the existing outer rotor permanent magnet synchronous motor replaces the permanent magnet direct-drive synchronous motor, the belt roller is directly replaced by the motor to drive the belt, but the existing outer rotor permanent magnet synchronous motor is cooled by adopting water and oil, the water or the oil flows through the motor through an external cooling circulating pump through a pipeline to take away the temperature of the motor, the process is complex, water leakage or oil damage is easy to cause, and therefore, the air-cooled outer rotor permanent magnet direct-drive synchronous belt conveying roller motor needs to be designed.
Disclosure of Invention
Aiming at the situation, the invention provides the air-cooled outer rotor permanent magnet direct drive synchronous belt transmission roller motor to overcome the defects of the prior art, and the air-cooled outer rotor permanent magnet direct drive synchronous belt transmission roller motor effectively solves the problems that the existing permanent magnet direct drive motor is large in size, limited by field space, not easy to install when being connected with a belt roller, and the outer rotor permanent magnet synchronous motor adopts water and oil for cooling, is complex in process, and is easy to leak water or cause motor damage by oil.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an air-cooled external rotor permanent magnetism directly drives synchronous belt transmission cylinder motor, includes the motor shaft, the outside cover of motor shaft is equipped with stator support, and stator support external connection has the stator, and stator external connection has the rotor, and the rotor both ends are all connected with the motor end cover through the mounting, and the motor end cover passes through the bearing and installs in the motor shaft upper end, and the ventilation hole has been seted up to the motor shaft inner wall, and ventilation hole one side is connected with the aviation baffle for the motor shaft inner wall, and motor shaft one end is connected with the air inlet machine, and the motor shaft other end is connected with the exhaust fan.
Preferably, the motor shaft is hollow.
Preferably, one end of the motor end cover is connected with a belt roller.
Preferably, the air deflectors are arranged in a staggered mode.
Preferably, the stator outer ring is provided with a wire slot, and a stator coil is wound in the wire slot.
Preferably, the rotor comprises a rotor core and a permanent magnet, and the inner circular surface of the rotor core is fixedly connected with the permanent magnet.
Preferably, the bearing is a double-row self-aligning roller bearing.
Preferably, one end of each of the air inlet fan and the exhaust fan is connected with a junction box.
Preferably, the fixing piece is fixedly connected with the motor end cover through a screw.
Preferably, a connecting hole is formed in the side end of the motor end cover relative to the screw connecting position, and a sinking groove is formed in one end of the connecting hole.
Compared with the prior art, the invention has the beneficial effects that:
(1) compared with the traditional structure, the motor structure provided by the invention has the advantages that the speed reducing device driven by belt transmission is omitted by arranging the motor shaft, the stator bracket, the stator, the rotor, the fixing piece and the motor end cover, and the motor is directly used as a roller, so that the motor efficiency is improved, and the equipment maintenance is reduced;
(2) the air cooling structure has the advantages that the motor is high in reliability, good in stability, simple in mechanism and convenient to maintain;
(3) the motor adopts a multi-pole design, the frequency converter is adjusted, the usability is flexible, the protectiveness is strong, and meanwhile, the integral structure is small in size, light in weight, low in noise and temperature rise during operation, wide in adaptive environment and long in service life.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.
In the drawings:
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of an installation structure of the air deflector of the present invention;
FIG. 3 is an enlarged schematic view of A of FIG. 1 according to the present invention;
in the figure: 1. a motor shaft; 2. a stator support; 3. a stator; 4. a rotor; 5. a fixing member; 6. a motor end cover; 7. a bearing; 8. a vent hole; 9. an air deflector; 10. an air inlet machine; 11. an exhaust fan; 12. a junction box; 13. and (4) screws.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, as shown in fig. 1, 2, and 3, the invention includes a motor shaft 1, a stator support 2 is sleeved outside the motor shaft 1, the stator support 2 is connected to the stator 3, the stator 3 is connected to the rotor 4, both ends of the rotor 4 are connected to a motor end cover 6 through fixing members 5, the motor end cover 6 is mounted at the upper end of the motor shaft 1 through a bearing 7, a vent hole 8 is formed in the inner wall of the motor shaft 1, so that wind blows out from the vent hole 8 to take away heat, a wind deflector 9 is connected to one side of the vent hole 8 opposite to the inner wall of the motor shaft 1 for uniformly dispersing wind, an air inlet fan 10 is connected to one end of the motor shaft 1, an exhaust fan 11 is connected to the other end of the motor shaft 1, wind is blown in through the air inlet fan 10, and the exhaust fan 11 extracts wind, so that heat is rapidly dissipated.
In the second embodiment, on the basis of the first embodiment, the inside of the motor shaft 1 is hollow, so that wind power heat dissipation is facilitated.
In the third embodiment, on the basis of the first embodiment, one end of the motor end cover 6 is connected with a belt roller, and a speed reduction device driven by belt transmission is omitted, so that the motor efficiency is improved.
In the fourth embodiment, on the basis of the first embodiment, the air deflectors 9 are arranged in a staggered manner, so that the blown wind power is dispersed conveniently, and the heat dissipation capability is improved.
Fifth, on the basis of the first embodiment, the outer ring of the stator 3 is provided with a wire slot, and a stator coil is wound inside the wire slot, so that the stator coil is conveniently wound.
Sixth embodiment, on the basis of first embodiment, rotor 4 includes rotor core and permanent magnet, and rotor core inner circle face fixedly connected with permanent magnet makes things convenient for rotor 4 installation support rotatory.
Seventh embodiment, on the basis of the first embodiment, the bearing 7 is a double-row self-aligning roller bearing, which is convenient to adapt to the relative deflection of the motor shaft 1, and can bear radial heavy load and impact load, and also can bear a certain bidirectional axial load.
Eighth embodiment, on the basis of first embodiment, air inlet fan 10 and exhaust fan 11 one end all are connected with terminal box 12, make things convenient for to air inlet fan 10 and exhaust fan 11 electric connection.
Ninth, on the basis of the first embodiment, the fixing member 5 is fixedly connected with the motor end cover 6 through the screw 13, so that the motor end cover 6 is conveniently connected with the fixing member 5.
Tenth embodiment, on the basis of ninth embodiment, motor end cover 6 side has seted up the connecting hole for screw 13 junction, and heavy groove has been seted up to connecting hole one end, conveniently places screw 13 head in the heavy groove, avoids protruding.
The working principle is as follows: during installation, firstly, the stator support 2 is fixed on the motor shaft 1, the stator 3 is embedded on the stator support 2, the inner circle of the stator 3 is matched and fixed with the stator support 2, the outer circle of the stator 3 is grooved and embedded with a stator coil, then the rotor 4 is installed outside the stator 3, through the corresponding clearance fit of the inner circle surface of the permanent magnet and the outer circle surface of the stator 3, the two ends of the rotor 4 are respectively combined with the motor end cover 6 through the fixing piece 5, the motor end cover 6 is respectively installed on the motor shaft 1 through the corresponding belt roller fixedly combined with the motor end cover 6 and the bearing 7, then the two sides are respectively installed into the air inlet fan 10 and the exhaust fan 11, the motor outer rotor 4 drives the motor end cover 6 to drive the belt roller during motor driving, a speed reducing device driven by belt transmission is omitted, the motor directly serves as a roller, the motor efficiency is improved, and the equipment maintenance is reduced.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an air-cooled external rotor permanent magnetism directly drives synchronous belt transmission cylinder motor, includes motor shaft (1), its characterized in that: the motor shaft is characterized in that a stator support (2) is sleeved outside the motor shaft (1), a stator (3) is connected outside the stator support (2), a rotor (4) is connected outside the stator (3), an inner circle of the stator (3) is matched and fixed with the stator support (2), a stator coil is embedded in an outer circle of the stator (3) in a slotted manner, an inner circle surface of a permanent magnet is in clearance fit with an outer circle surface of the stator (3), two ends of the rotor (4) are connected with a motor end cover (6) through fixing pieces (5), the motor end cover (6) is installed at the upper end of the motor shaft (1) through a bearing (7), a vent hole (8) is formed in the inner wall of the motor shaft (1), the vent hole (8) is formed in the motor shaft (1) on the inner side and the outer side of the stator support (2), one side of the vent hole (8) is connected with an air deflector (9) relative to the inner wall of the motor shaft (1), and the air deflectors (9) are arranged in a staggered manner, one end of the motor shaft (1) is connected with an air inlet fan (10), and the other end of the motor shaft (1) is connected with an exhaust fan (11).
2. The air-cooled outer rotor permanent magnet direct drive synchronous belt transmission drum motor as claimed in claim 1, wherein: the motor shaft (1) is hollow.
3. The air-cooled outer rotor permanent magnet direct drive synchronous belt transmission drum motor as claimed in claim 1, wherein: one end of the motor end cover (6) is connected with a belt roller.
4. The air-cooled outer rotor permanent magnet direct drive synchronous belt transmission drum motor as claimed in claim 1, wherein: the stator (3) outer ring is provided with a wire slot, and a stator coil is wound in the wire slot.
5. The air-cooled outer rotor permanent magnet direct drive synchronous belt transmission drum motor as claimed in claim 1, wherein: the rotor (4) comprises a rotor iron core and a permanent magnet, and the inner circular surface of the rotor iron core is fixedly connected with the permanent magnet.
6. The air-cooled outer rotor permanent magnet direct drive synchronous belt transmission drum motor as claimed in claim 1, wherein: the bearing (7) is a double-row self-aligning roller bearing.
7. The air-cooled outer rotor permanent magnet direct drive synchronous belt transmission drum motor as claimed in claim 1, wherein: and one ends of the air inlet fan (10) and the exhaust fan (11) are both connected with a junction box (12).
8. The air-cooled outer rotor permanent magnet direct drive synchronous belt transmission drum motor as claimed in claim 1, wherein: the fixing piece (5) is fixedly connected with the motor end cover (6) through a screw (13).
9. The air-cooled outer rotor permanent magnet direct drive synchronous belt transmission drum motor as claimed in claim 8, wherein: the side end of the motor end cover (6) is provided with a connecting hole relative to the joint of the screw (13), and one end of the connecting hole is provided with a sink groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911267074.0A CN110868019B (en) | 2019-12-11 | 2019-12-11 | Air-cooled outer rotor permanent magnet direct-drive synchronous belt transmission roller motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911267074.0A CN110868019B (en) | 2019-12-11 | 2019-12-11 | Air-cooled outer rotor permanent magnet direct-drive synchronous belt transmission roller motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110868019A CN110868019A (en) | 2020-03-06 |
| CN110868019B true CN110868019B (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911267074.0A Active CN110868019B (en) | 2019-12-11 | 2019-12-11 | Air-cooled outer rotor permanent magnet direct-drive synchronous belt transmission roller motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110868019B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112787434A (en) * | 2020-12-31 | 2021-05-11 | 日电产伺服电机（常州）有限公司 | Roller motor shaft and roller motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6597082B1 (en) * | 2000-08-04 | 2003-07-22 | American Superconductor Corporation | HTS superconducting rotating machine |
| CN104505971A (en) * | 2014-12-26 | 2015-04-08 | 山西汾西重工有限责任公司 | Water jacket inner-outer cooling structure |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4304296A (en) * | 1979-04-09 | 1981-12-08 | Ingersoll-Rand Co. | Body assembly for a fluid cooler |
| JPH06141509A (en) * | 1992-10-27 | 1994-05-20 | Mitsubishi Electric Corp | Rotating machine |
| CN101944813B (en) * | 2010-09-26 | 2012-07-04 | 沈阳工业大学 | Outer rotor direct-drive permanent magnet synchronous motor for belt conveyer |
| DE102015108817A1 (en) * | 2015-06-03 | 2016-12-08 | Thyssenkrupp Ag | Hollow shaft arrangement |
| CN207968158U (en) * | 2018-01-21 | 2018-10-12 | 天津津泽新能源科技有限公司 | A kind of motor with uniformly distributed ventilated type protective roof structure |
-
2019
- 2019-12-11 CN CN201911267074.0A patent/CN110868019B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6597082B1 (en) * | 2000-08-04 | 2003-07-22 | American Superconductor Corporation | HTS superconducting rotating machine |
| CN104505971A (en) * | 2014-12-26 | 2015-04-08 | 山西汾西重工有限责任公司 | Water jacket inner-outer cooling structure |
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| Publication number | Publication date |
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| CN110868019A (en) | 2020-03-06 |
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Denomination of invention: An air-cooled external rotor permanent magnet direct drive synchronous belt conveyor drum motor Effective date of registration: 20230531 Granted publication date: 20220628 Pledgee: Bank of China Limited Wuhan Economic and Technological Development Zone sub branch Pledgor: WUHAN MAIDIJIA ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023420000215 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220628 Pledgee: Bank of China Limited Wuhan Economic and Technological Development Zone sub branch Pledgor: WUHAN MAIDIJIA ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. Registration number: Y2023420000215 |