CN106160380A - Floating bearing supports the dual stator wind power machine of center roller - Google Patents
Floating bearing supports the dual stator wind power machine of center roller Download PDFInfo
- Publication number
- CN106160380A CN106160380A CN201610541492.4A CN201610541492A CN106160380A CN 106160380 A CN106160380 A CN 106160380A CN 201610541492 A CN201610541492 A CN 201610541492A CN 106160380 A CN106160380 A CN 106160380A
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- CN
- China
- Prior art keywords
- stator
- rotor
- bearing
- wind power
- armature spindle
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- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/04—Machines with one rotor and two stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Wind Motors (AREA)
Abstract
A kind of floating bearing supports the dual stator wind power machine of center roller, and this electromotor includes external stator, inner stator and the rotor being arranged between external stator and inner stator；Its simple in construction and decrease the radial load of central shaft, which ensure that the heat radiation of inner stator and cooling effect are good.
Description
Technical field
The present invention relates to field of wind power equipment, systems a kind of floating bearing supports center roller
Dual stator wind power machine.
Background technology
Along with the single-machine capacity of wind-driven generator is increasing, the volume weight of electromotor all can accordingly increase.Work as merit
Rate more than megawatt or when more than several megawatts, its volume will become the hugest, to such an extent as to difficulty can be brought to transporting installation.For
The problems referred to above, wind-driven generator can use double-stator structure, makes the output of motor unit volume increase, thus decreases motor
Volume and weight.
Traditional dual stator wind power machine structure is generally divided into two kinds: concentric structure and parallel organization.Parallel organization
Dual stator wind power machine refers to that two stators are placed parallel, and so the shortcoming of design structure is axle system head, the flexure of axle, change
The impact of shape and extraneous tipping load shaft is bigger；
And the rotor of the dual stator wind power machine of concentric structure, its two ends are fixed on central shaft by rotor front and rear cover
On, external stator and inner stator are separately positioned on periphery and the inner circumferential of rotor, then central shaft bears rotor and inner stator simultaneously
Total weight, can cause central shaft fatigue relatively big, deflection deformation and fatigue rupture easily occur, indirectly causes between rotor and stator
Gap error become big, thus affect the performance of electromotor and properly functioning.
The inner stator compact conformation of dual stator wind power machine, heat radiation and coiling wiring difficulty strengthen, and need more to connect
Tube space walked by space of lines and cooling system；Traditional dual stator wind power machine is typically all central shaft and supports stator simultaneously and turn
Son, thus causing inner stator coiling wiring and cooling system to walk pipe can only be connected up by the hollow channel of central shaft and be walked pipe
Passage is narrow, causes extreme difficulties to installation and construction.
Therefore, how to design the structure of dual stator wind power machine, improve the rigidity of axle system, it is ensured that the heat radiation of inner stator and
Cooling is good, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
Goal of the invention:
For the problems referred to above, the present invention provides a kind of floating bearing to support the dual stator wind power machine of center roller, its purpose
It is to solve the most existing problem.
Technical scheme:
A kind of floating bearing support center roller dual stator wind power machine, it is characterised in that: this electromotor include external stator,
Inner stator and the rotor being arranged between external stator and inner stator；External stator, rotor and inner stator ecto-entad set gradually,
External stator, rotor and inner stator (4) concentric；Form outer air gap between external stator and rotor, formed between inner stator and rotor
Interior air gap；
Rotor is enclosed within connecting shaft, and the front end of connecting shaft is fixing with armature spindle to be connected, and the rear flange of connecting shaft is connected to gyroaxis
On the outer ring held, the inner ring of floating bearing is connected on casing rear end lid；Armature spindle include through casing drive end bearing bracket transverse axis and
The longitudinal carrier being connected with connecting shaft, the transverse axis of armature spindle is cased with outer bearing through the position of casing drive end bearing bracket；
Inner stator is fixed in stator axis, and stator axis front end is flexibly connected by inner bearing with armature spindle in putting in armature spindle, fixed
The rear end of sub-axle is fixed on casing rear end lid.
The both ends of the longitudinal carrier of armature spindle are connected with connecting shaft by bolt.
The front end of stator axis connects stator drive end bearing bracket, and stator drive end bearing bracket is connected with armature spindle by inner bearing, stator axis
The rear flange of rear end and casing rear end lid is fixing connects.
Arranging porose on casing rear end lid, the interior gap position between hole with rotor and inner stator is corresponding.
Advantageous effect:
The present invention provides a kind of floating bearing to support the dual stator wind power machine of center roller, its simple in construction and decreasing
The radial load of mandrel, which ensure that the heat radiation of inner stator and cooling effect are good.
The concrete advantage of the present invention is as follows:
1. the present invention uses duplex bearing to support the kind of drive of rotor structure, by bearings on the left of rotor, by returning on the right side of rotor
Turning bearings, rotor rigidity is higher, is difficult to radial deformation and play, and the air gap between rotor and interior external stator is easier to protect
Card.
2. the inner stator compact conformation of dual stator wind power machine, heat radiation and coiling wiring difficulty strengthen, and need more
Tube space walked by wiring space and cooling system；And supported by major diameter floating bearing on the right side of the rotor in the present invention, floating bearing
Diameter of bore is big, walks pipe for stator winding wiring and cooling system and provides enough spaces, it is simple to connects up, installs and keep in repair.
3. rotor and inner stator held separate, objectively decrease the radial load of inner stator supporting construction, inner stator
Radial-deformation is less, and the air gap between inner stator and rotor is easier to ensure that, thus ensures that motor can be the most safe and reliable
Ground runs.
Accompanying drawing illustrates:
Fig. 1 is the overall structure schematic diagram of the present invention；
In upper figure: 1 be external stator, 2 be center roller, 3 be connecting shaft, 4 be inner stator, 5 be stator axis, 6 for stator axis front end
Lid, 7 be the transverse axis of armature spindle, 8 for outer bearing, 9 for inner bearing, 10 for casing drive end bearing bracket, 11 for machine, 12 be floating bearing, 13
For casing rear end lid, 14 it is cabling and cooling is walked pore, 15 is the longitudinal carrier of armature spindle.
Detailed description of the invention
With embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, the present invention provides a kind of floating bearing to support the dual stator wind power machine of center roller, this generating
Machine includes external stator 1, inner stator 4 and the rotor 2 being arranged between external stator 1 and inner stator 4；External stator 1, rotor 2 and interior
Stator 4 ecto-entad sets gradually, external stator 1, rotor 2 and inner stator 4 concentric；Exogenous QI is formed between external stator 1 and rotor 2
Gap, air gap in being formed between inner stator 4 and rotor 2；
Rotor 2 is enclosed within connecting shaft 3, and the front end of connecting shaft 3 is fixing with armature spindle to be connected, and the rear flange of connecting shaft 3 is fixing to be connected
On the outer ring of floating bearing 12, the inner ring of floating bearing 12 is fixedly connected on casing rear end lid 13, outside floating bearing 12
Astragal moves armature spindle and rotates, and inner ring plays and fixes its supporting role simultaneously；Armature spindle includes transverse axis 7 He through casing drive end bearing bracket
The longitudinal carrier 15 being connected with connecting shaft 3, the transverse axis 7 of armature spindle is cased with outer bearing 8 through the position of casing drive end bearing bracket；Inner stator
4 are fixed in stator axis 5, and stator axis front end is flexibly connected by inner bearing 9 with armature spindle in putting in armature spindle, stator axis 5
Rear end is fixed on casing rear end lid 13.
Longitudinal both ends of the longitudinal carrier 15 of armature spindle are connected with connecting shaft 3 by bolt.It is exactly longitudinally upper in figure
Lower direction.
The front end connecting stator drive end bearing bracket 6 of stator axis is fixedly linked, and rear flange and the casing rear end lid 13 of rear end are fixing even
Connect.
Arranging porose 14 on casing rear end lid, the interior gap position between hole 14 with rotor 2 and inner stator 4 is corresponding.Described
Floating bearing inner ring diameter big, arrange porose 14 on casing rear end lid simultaneously, walk for inner stator winding connection and cooling system
Pipe provides space, it is simple to connects up, install and keeps in repair.
Below the present invention is described in further detail:
As it is shown in figure 1, stator axis 5 and armature spindle 7 are with one heart, the left end in stator axis front end i.e. figure is by screw and stator drive end bearing bracket
6 are connected, and stator drive end bearing bracket is set with inner bearing 9, and inner bearing lateral wall suit drives the armature spindle 7 that described rotor rotates, turns
The transverse axis lateral wall of sub-axle is set with outer bearing 8, and the effect of support machine casing drive end bearing bracket 10 is played in the lateral wall of outer bearing.
When dual stator wind power machine runs, armature spindle 7 rotates and drives rotor 2 to rotate, and the lateral wall of inner bearing 9 is to turning
Sub-axle 7 plays a supportive role, and the left side in armature spindle front end i.e. figure is supported by outer bearing 8, and the right side in rear end i.e. figure is by major diameter
Floating bearing 12 supports, and owing to floating bearing is a kind of large size bearing that can bear combined load, can bear bigger simultaneously
Axial, radial load and tilting moment, therefore rotor is at the structure backspin so supported with outer bearing and floating bearing simultaneously
Turn, the rigidity of rotor can be higher, and the air gap that is not susceptible between radial deformation and play, and then rotor and interior external stator is easy
To ensureing, this stability making motor overall is greatly improved.
The inner stator structure of dual stator wind power machine is the compactest, and winding heat radiation and coiling wiring difficulty strengthen, and need
Tube space walked by more wiring spaces and cooling system.In the present invention, supported by floating bearing on the right side of rotor, the inner ring of floating bearing
Diameter is big, arranges porose 14 simultaneously, so walk pipe for inner stator winding connection and cooling system and provide sky on the rear end cap of casing
Between, it is simple to connect up, install and keep in repair.
The present invention uses floating bearing and outer bearing support the structure of center roller rotary motion simultaneously, make center roller
With inner stator held separate, decreasing the radial load of central shaft, the radial variable of inner stator is less, inner stator and center roller
Between air gap be easier to ensure that, make wind-driven generator properly functioning.
Claims (4)
1. the dual stator wind power machine of a floating bearing support center roller, it is characterised in that: this electromotor includes outer fixed
Son (1), inner stator (4) and the rotor (2) being arranged between external stator (1) and inner stator (4)；External stator (1), rotor (2)
Set gradually with inner stator (4) ecto-entad, external stator (1), rotor (2) and inner stator (4) concentric；External stator (1) and turn
Outer air gap, air gap in being formed between inner stator (4) and rotor (2) is formed between son (2)；
Rotor (2) is enclosed within connecting shaft (3), and the front end of connecting shaft (3) is fixing with armature spindle to be connected, the rear flange of connecting shaft (3)
Being connected on the outer ring of floating bearing (12), the inner ring of floating bearing (12) is connected on casing rear end lid (13)；Armature spindle bag
Including the transverse axis through casing drive end bearing bracket (7) and the longitudinal carrier (15) being connected with connecting shaft (3), the transverse axis (7) of armature spindle passes
The position of casing drive end bearing bracket is cased with outer bearing (8)；
Inner stator (4) is fixed in stator axis (5), is lived by inner bearing (9) with armature spindle in putting in armature spindle in stator axis front end
Being dynamically connected, the rear end of stator axis (5) is fixed on casing rear end lid (13).
Floating bearing the most according to claim 1 supports the dual stator wind power machine of center roller, it is characterised in that: turn
The both ends of the longitudinal carrier (15) of sub-axle are connected with connecting shaft (3) by bolt.
Floating bearing the most according to claim 1 supports the dual stator wind power machine of center roller, it is characterised in that: fixed
The front end of sub-axle connects stator drive end bearing bracket (6), and stator drive end bearing bracket (6) is connected with armature spindle by inner bearing (9), stator axis
The rear flange of rear end and the fixing connection of casing rear end lid (13).
Floating bearing the most according to claim 1 supports the dual stator wind power machine of center roller, it is characterised in that: machine
Arranging on shell rear end cap porose (14), the interior gap position between hole (14) with rotor (2) and inner stator (4) is corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541492.4A CN106160380A (en) | 2016-07-12 | 2016-07-12 | Floating bearing supports the dual stator wind power machine of center roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610541492.4A CN106160380A (en) | 2016-07-12 | 2016-07-12 | Floating bearing supports the dual stator wind power machine of center roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106160380A true CN106160380A (en) | 2016-11-23 |
Family
ID=58061494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610541492.4A Pending CN106160380A (en) | 2016-07-12 | 2016-07-12 | Floating bearing supports the dual stator wind power machine of center roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160380A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258834A (en) * | 2016-12-28 | 2018-07-06 | 上海大郡动力控制技术有限公司 | The connection structure of rotor and bearing |
| CN110048574A (en) * | 2019-05-13 | 2019-07-23 | 青岛大学 | A kind of novel double-stator compound machine suitable for rotor absolute position sensorless strategy |
| CN110460214A (en) * | 2019-09-12 | 2019-11-15 | 北京明正维元电机技术有限公司 | A kind of axial direction is double to hold up direct-drive permanent magnet wind turbine generator |
| CN113193719A (en) * | 2021-05-25 | 2021-07-30 | 付玉信 | Electric generator set |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3915526A1 (en) * | 1989-02-13 | 1990-08-16 | Rolf Hopf | Duplex-form electric motor or generator - has hollow rotor with internal stator coil and external stator coil |
| CN1909340A (en) * | 2005-08-01 | 2007-02-07 | 张孟杰 | Synergy permanent-magnet-field generator |
| CN102570745A (en) * | 2012-01-05 | 2012-07-11 | 陈国宝 | Oil magnetic-suspension double-stator high-efficiency motor |
| CN205847026U (en) * | 2016-07-12 | 2016-12-28 | 沈阳工业大学 | Floating bearing supports the dual stator wind power machine of center roller |
-
2016
- 2016-07-12 CN CN201610541492.4A patent/CN106160380A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3915526A1 (en) * | 1989-02-13 | 1990-08-16 | Rolf Hopf | Duplex-form electric motor or generator - has hollow rotor with internal stator coil and external stator coil |
| CN1909340A (en) * | 2005-08-01 | 2007-02-07 | 张孟杰 | Synergy permanent-magnet-field generator |
| CN102570745A (en) * | 2012-01-05 | 2012-07-11 | 陈国宝 | Oil magnetic-suspension double-stator high-efficiency motor |
| CN205847026U (en) * | 2016-07-12 | 2016-12-28 | 沈阳工业大学 | Floating bearing supports the dual stator wind power machine of center roller |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108258834A (en) * | 2016-12-28 | 2018-07-06 | 上海大郡动力控制技术有限公司 | The connection structure of rotor and bearing |
| CN110048574A (en) * | 2019-05-13 | 2019-07-23 | 青岛大学 | A kind of novel double-stator compound machine suitable for rotor absolute position sensorless strategy |
| CN110460214A (en) * | 2019-09-12 | 2019-11-15 | 北京明正维元电机技术有限公司 | A kind of axial direction is double to hold up direct-drive permanent magnet wind turbine generator |
| CN113193719A (en) * | 2021-05-25 | 2021-07-30 | 付玉信 | Electric generator set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161123 |