CN102868271B - Double-stator rotating linear motor - Google Patents
Double-stator rotating linear motor Download PDFInfo
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- CN102868271B CN102868271B CN201210369198.1A CN201210369198A CN102868271B CN 102868271 B CN102868271 B CN 102868271B CN 201210369198 A CN201210369198 A CN 201210369198A CN 102868271 B CN102868271 B CN 102868271B
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Abstract
The invention provides a double-stator rotating linear motor which belongs to the technical field of motors and solves the problems of large volume and high weight of a system due to the fact that the existing rotating linear motor realizes a multiple-degree-of-freedom movement through the combination of multiple motors and mechanical switching mechanisms. The motor is characterized in that a case of the motor is connected with a rotating shaft by bearings; an outer stator core is fixed on the inner surface of the case; an inner stator core is fixedly connected with the case by an inner stator sleeve; the inner stator sleeve is connected with the rotating shaft by bearings; a rotor core is coaxially arranged between the inner stator core and the outer stator core; one end of the rotor core is fixedly connected with the rotating shaft via a rotor front end supporting part; the other end of the rotor core is connected with the excircle surface of the inner stator sleeve by bearings via a rotor rear end supporting part; the inner stator core and the rotor core form a rotating motor structure or a cylinder type linear motor structure; and the outer stator core and the rotor core form a cylinder type linear motor structure or a rotating motor structure. The invention relates to a rotating linear motor.
Description
Technical field
The present invention relates to a kind of bimorph transducer rotational alignment motor, belong to technical field of motors.
Background technology
Rotational alignment motor has wide application in fields such as Aero-Space, Industry Control, lathe, robot, boring, office automation, flexible manufacturing and assembly system, screw thread process and navigation systems.Existing rotation-linear electric motors realize multivariant function mainly through multiple electric motors and machinery conversion mechanism, and this implementation causes that the volume of system is large, weight is high.For the screw realized by single motor, this type of motor is adopt to be wound around two cover stator winding on a stator mostly, is respectively used to the control realizing rectilinear motion and rotary motion.This type motor places double winding due to parallel on stator, and add the axial space of motor, the volume of motor is also corresponding larger.
Summary of the invention
The present invention realizes multivariant motion in order to solve existing rotation-linear electric motors by the combination of multiple electric motors and machinery conversion mechanism, causes the problem that system bulk is large and weight is high, provides a kind of bimorph transducer rotational alignment motor.
Bimorph transducer rotational alignment motor of the present invention, it comprises rotating shaft and casing, and it also comprises internal stator sleeve, internal stator iron core, mover core, mover front support portion, support portion, mover rear end, external stator iron core, internal stator winding and external stator winding,
Casing is connected with rotating shaft by bearing, and external stator iron core is fixed on the inner surface of casing, and internal stator iron core is fixedly connected with casing by internal stator sleeve, and internal stator sleeve is connected with rotating shaft by bearing,
Between internal stator iron core and external stator iron core, coaxially mover core is set, it is interior air gap between mover core and internal stator iron core, it is outer air gap between mover core and external stator iron core, one end of mover core is fixedly connected with rotating shaft by mover front support portion, and the other end of mover core is connected by bearing with the outer round surface of internal stator sleeve by support portion, mover rear end;
Internal stator iron core is arranged internal stator winding, external stator iron core is arranged external stator winding,
Internal stator iron core and mover core form rotary motor configuration, and external stator is unshakable in one's determination forms cylindrical linear structure with mover core; Or internal stator iron core and mover core form cylindrical linear structure, external stator is unshakable in one's determination forms rotary motor configuration with mover core.
Internal stator iron core is equal with external stator length vertically unshakable in one's determination, and the same side end face of internal stator iron core and external stator iron core is radially all positioned at a plane.
The axial length of external stator iron core is greater than or less than the axial length of mover core.
The electric machine structure that internal stator iron core and mover core are formed is permanent magnetic synchronous motor structure, induction machine structure or switched reluctance machines structure.
The external stator electric machine structure formed with mover core unshakable in one's determination is permanent magnetic synchronous motor structure, induction machine structure or switched reluctance machines structure.
Advantage of the present invention is: moving component of the present invention can realize rotary motion, rectilinear motion also or rotational motion to linear motion, it is made up of the mover of centre inside and outside two stators, side stator adopts cylindrical linear motor structure, provides axial force, realizes mover rectilinear motion vertically; Opposite side stator adopts rotary motor configuration, provides tangential force, realizes mover rotary motion along the circumferential direction.Exist while the two, achieve the rotational motion to linear motion of mover.
Electric machine structure of the present invention is applied to many-degrees of freedom system can save multiple electric motors and machinery conversion mechanism, and the volume and weight of system is reduced greatly.In fields such as Aero-Space, Industry Control, lathe, robot, boring, office automation, flexible manufacturing and assembly system, screw thread process and navigation systems, there is broad prospect of application.Reasonable in design of the present invention, extends conventional motors function, by the independent control to both sides air gap, can realize multivariant motion.There is higher efficiency simultaneously, and enough Driving Torque are provided.
Accompanying drawing explanation
Fig. 1 is the bimorph transducer rotational alignment electric machine structure schematic diagram that in execution mode one, internal stator iron core and mover sleeve form cylindrical linear structure;
Fig. 2 is the bimorph transducer rotational alignment electric machine structure schematic diagram that execution mode one China and foreign countries' stator core and mover sleeve form cylindrical linear structure;
Fig. 3 is the axial length of execution mode three China and foreign countries' stator core when being less than mover sleeve axial length, and internal stator iron core and mover sleeve form the bimorph transducer rotational alignment electric machine structure schematic diagram of cylindrical linear structure;
Fig. 4 is the axial length of execution mode three China and foreign countries' stator core when being less than mover sleeve axial length, the external stator bimorph transducer rotational alignment electric machine structure schematic diagram forming cylindrical linear structure with mover sleeve unshakable in one's determination.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1 and Fig. 2, bimorph transducer rotational alignment motor described in present embodiment, it comprises rotating shaft 1 and casing 2, it also comprises internal stator sleeve 3, internal stator iron core 4, mover core 5, mover front support portion 6, support portion, mover rear end 7, external stator iron core 8, internal stator winding 9 and external stator winding 10
Casing 2 is connected with rotating shaft 1 by bearing, and external stator iron core 8 is fixed on the inner surface of casing 2, and internal stator iron core 4 is fixedly connected with casing 2 by internal stator sleeve 3, and internal stator sleeve 3 is connected with rotating shaft 1 by bearing,
Between internal stator iron core 4 and external stator iron core 8, mover core 5 is coaxially set, it is interior air gap between mover core 5 and internal stator iron core 4, it is outer air gap between mover core 5 and external stator iron core 8, one end of mover core 5 is fixedly connected with rotating shaft 1 by mover front support portion 6, and the other end of mover core 5 is connected by bearing with the outer round surface of internal stator sleeve 3 by support portion, mover rear end 7;
Internal stator iron core 4 is arranged internal stator winding 9, external stator iron core 8 is arranged external stator winding 10,
Internal stator iron core 4 and mover core 5 form rotary motor configuration, and external stator unshakable in one's determination 8 forms cylindrical linear structure with mover core 5; Or internal stator iron core 4 and mover core 5 form cylindrical linear structure, external stator unshakable in one's determination 8 forms rotary motor configuration with mover core 5.
In present embodiment, motor is made up of two stators and a mover, and two stators are all embedded with winding, realizes spinfunction and rectilinear motion function respectively with mover effect.Nested inside and outside two stators, mover adopts drag cup structure, can utilize motor space largely.
As shown in Figure 1, internal stator iron core 4 and mover core 5 form cylindrical linear structure, and produce axial force, this cylindrical linear can be permagnetic synchronous motor, induction machine or switched reluctance machines; Under this cylindrical linear effect, mover core 5 and rotating shaft 1 can axially move.External stator unshakable in one's determination 8 forms rotary motor configuration with mover core 5, produce revolving force, this electric rotating machine also can be permagnetic synchronous motor, induction machine or switched reluctance machines, under this electric rotating machine effect, mover core 5 and rotating shaft 1 can rotate, and the bearing wherein relating to application can be applied mechanically or magnetic suspension bearing for the combination of cylinder roller bearing, rolling bearing and sliding bearing.
As shown in Figure 2, internal stator iron core 4 and mover core 5 form rotary motor configuration, and produce revolving force, this electric rotating machine can be permagnetic synchronous motor, induction machine or switched reluctance machines; Under electric rotating machine effect, mover core 5 and rotating shaft 1 can rotate; External stator unshakable in one's determination 8 forms cylindrical linear structure with mover core 5, and produce axial force, this cylindrical linear can be permagnetic synchronous motor, induction machine or switched reluctance machines; Under this cylindrical linear effect, mover core 5 and rotating shaft 1 can axially move.
Embodiment two: present embodiment is described below in conjunction with Fig. 1 to Fig. 4, present embodiment is further illustrating execution mode one, internal stator iron core 4 is equal with external stator iron core 8 length vertically, and internal stator iron core 4 is radially all positioned at a plane with the same side end face of external stator iron core 8.
Embodiment three: present embodiment is described below in conjunction with Fig. 1 to Fig. 4, present embodiment is further illustrating execution mode two, and the axial length of external stator iron core 8 is greater than or less than the axial length of mover core 5.
When the axial length of external stator iron core 8 is greater than the axial length of mover core 5, or the axial length of external stator iron core 8 is when being less than the axial length of mover core 5, all by the control of internal stator winding 9 electric current, guarantee that mover core 5 is within the scope of screw, make the useful flux of interior air gap and outer air gap all constant, to provide enough Driving Torque.
Embodiment four: present embodiment is further illustrating execution mode one, two or three, the electric machine structure that internal stator iron core 4 and mover core 5 are formed is permanent magnetic synchronous motor structure, induction machine structure or switched reluctance machines structure.
Embodiment five: present embodiment is further illustrating execution mode one, two, three or four, the electric machine structure that external stator unshakable in one's determination 8 and mover core 5 are formed is permanent magnetic synchronous motor structure, induction machine structure or switched reluctance machines structure.
Embodiment six: present embodiment is further illustrating execution mode one, two, three, four or five, and the internal circular surfaces of mover core 5 and outer round surface are provided with permanent magnet, embedded winding coil, cage modle winding, conducting metal barrel or have teeth groove.
Embodiment seven: present embodiment is further illustrating execution mode one, two, three, four or five, and the internal circular surfaces of mover core 5 or outer round surface are provided with permanent magnet, embedded winding coil, cage modle winding, conducting metal barrel or have teeth groove.
Claims (5)
1. a bimorph transducer rotational alignment motor, it comprises rotating shaft (1) and casing (2), it is characterized in that: it also comprises internal stator sleeve (3), internal stator iron core (4), mover core (5), mover front support portion (6), support portion, mover rear end (7), external stator iron core (8), internal stator winding (9) and external stator winding (10), casing (2) is connected with rotating shaft (1) by bearing, external stator iron core (8) is fixed on the inner surface of casing (2), internal stator iron core (4) is fixedly connected with casing (2) by internal stator sleeve (3), internal stator sleeve (3) is connected with rotating shaft (1) by bearing,
Mover core (5) is coaxially set between internal stator iron core (4) and external stator iron core (8), be interior air gap between mover core (5) and internal stator iron core (4), be outer air gap between mover core (5) and external stator iron core (8), one end of mover core (5) is fixedly connected with rotating shaft (1) by mover front support portion (6), and the other end of mover core (5) is connected by bearing by the outer round surface of support portion, mover rear end (7) with internal stator sleeve (3);
Internal stator iron core (4) is arranged internal stator winding (9), external stator iron core (8) is arranged external stator winding (10),
Internal stator iron core (4) and mover core (5) form rotary motor configuration, and external stator iron core (8) and mover core (5) form cylindrical linear structure; Or internal stator iron core (4) and mover core (5) form cylindrical linear structure, external stator iron core (8) and mover core (5) form rotary motor configuration;
The internal circular surfaces of mover core (5) and outer round surface are provided with permanent magnet, embedded winding coil, cage modle winding, conducting metal barrel or have teeth groove.
2. bimorph transducer rotational alignment motor according to claim 1, it is characterized in that: internal stator iron core (4) is equal with external stator iron core (8) length vertically, and internal stator iron core (4) is radially all positioned at a plane with the same side end face of external stator iron core (8).
3. bimorph transducer rotational alignment motor according to claim 2, is characterized in that: the axial length of external stator iron core (8) is greater than or less than the axial length of mover core (5).
4. the bimorph transducer rotational alignment motor according to claim 1,2 or 3, is characterized in that: the electric machine structure that internal stator iron core (4) and mover core (5) are formed is permanent magnetic synchronous motor structure, induction machine structure or switched reluctance machines structure.
5. the bimorph transducer rotational alignment motor according to claim 1,2 or 3, is characterized in that: the electric machine structure that external stator iron core (8) and mover core (5) are formed is permanent magnetic synchronous motor structure, induction machine structure or switched reluctance machines structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210369198.1A CN102868271B (en) | 2012-09-28 | 2012-09-28 | Double-stator rotating linear motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210369198.1A CN102868271B (en) | 2012-09-28 | 2012-09-28 | Double-stator rotating linear motor |
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| CN102868271A CN102868271A (en) | 2013-01-09 |
| CN102868271B true CN102868271B (en) | 2015-03-11 |
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| CN201210369198.1A Active CN102868271B (en) | 2012-09-28 | 2012-09-28 | Double-stator rotating linear motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2029706A (en) * | 2021-08-31 | 2023-03-09 | Univ Chongqing Jiaotong | Modularized double-stator switched reluctance linear motor |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199651B (en) * | 2013-04-17 | 2015-04-22 | 上海海事大学 | Wave-activated generator |
| CN103475178A (en) * | 2013-09-30 | 2013-12-25 | 东南大学 | Linear rotation permanent magnet motor |
| CN103560647B (en) * | 2013-11-14 | 2016-03-09 | 山东大学 | A kind of permanent-magnetic clamp stator cylinder shape linear switched reluctance motor |
| CN103560646B (en) * | 2013-11-14 | 2016-04-13 | 山东大学 | A kind of permanent-magnetic clamp mover cylinder-shape linear switched reluctance machines |
| CN104539122B (en) * | 2014-12-08 | 2017-04-12 | 沈阳工业大学 | Rotary linear permanent magnet electric motor |
| CN104682642B (en) * | 2015-03-13 | 2017-03-15 | 河南理工大学 | A kind of two-freedom motor |
| CN106655673B (en) * | 2016-11-18 | 2019-02-01 | 东南大学 | A kind of stator separate type straight line rotation two-freedom permanent magnetic actuator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6137195A (en) * | 1996-03-28 | 2000-10-24 | Anorad Corporation | Rotary-linear actuator |
| CN101789646A (en) * | 2010-01-13 | 2010-07-28 | 河南理工大学 | Multivariant linear arc-shaped motor |
| CN201742274U (en) * | 2010-08-17 | 2011-02-09 | 中国电子科技集团公司第二十一研究所 | High-reliability permanent magnet motor duplex winding redundancy structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5531920B2 (en) * | 2010-11-10 | 2014-06-25 | 株式会社安川電機 | motor |
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- 2012-09-28 CN CN201210369198.1A patent/CN102868271B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6137195A (en) * | 1996-03-28 | 2000-10-24 | Anorad Corporation | Rotary-linear actuator |
| CN101789646A (en) * | 2010-01-13 | 2010-07-28 | 河南理工大学 | Multivariant linear arc-shaped motor |
| CN201742274U (en) * | 2010-08-17 | 2011-02-09 | 中国电子科技集团公司第二十一研究所 | High-reliability permanent magnet motor duplex winding redundancy structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL2029706A (en) * | 2021-08-31 | 2023-03-09 | Univ Chongqing Jiaotong | Modularized double-stator switched reluctance linear motor |
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