CN105449970A - Ultralow-speed motor - Google Patents
Ultralow-speed motor Download PDFInfo
- Publication number
- CN105449970A CN105449970A CN201511009965.8A CN201511009965A CN105449970A CN 105449970 A CN105449970 A CN 105449970A CN 201511009965 A CN201511009965 A CN 201511009965A CN 105449970 A CN105449970 A CN 105449970A
- Authority
- CN
- China
- Prior art keywords
- housing
- flexible
- gear ring
- tooth cup
- cup
- 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
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/22—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating around the armatures, e.g. flywheel magnetos
-
- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides an ultralow-speed motor. The motor comprises a housing, a seal cover, a gear ring, a flexible gear cup, an output shaft, a control box and an excitation winding, wherein inner teeth are arranged on the inner side of the gear ring in a circumferential direction and the gear ring is rigidly fixed to the inner wall of the housing; the flexible gear cup is arranged in the gear ring; permanent magnets are arranged on the inner wall of the flexible gear cup; magnetic induction lines of the permanent magnets are all arranged in a radial direction and magnetic pole directions are all same; the output shaft is connected with the flexible gear cup and the end part of the output shaft penetrates through a shaft hole of the housing and is exposed out of the housing; the excitation winding is arranged in the center of the flexible gear cup and provided with excitation coils arranged along the circumference; the seal cover is packaged on the housing; and the control box is arranged outside the housing and electrically connected with the excitation winding. According to the motor, low-speed rotary driving can be performed.
Description
Technical field
The present invention relates to accurate transmission mechanism field, be specifically related to a kind of Ultralow speed motor.
Background technology
Motor is driver part important in mechanical field, there is design miscellaneous, to meet different driving demands.
For some special occasions, need the rotary actuation of Ultra-Low Speed, general Rated motor actuating speed is all faster, can not satisfy the demands.If adopt servo system to carry out low speed control to servomotor, servomotor uses excessive current drives by long-term low-speed running, causes the life-span of servomotor significantly to reduce.If adopt extra decelerator, the overall volume of motor and decelerator is comparatively large, is difficult to be applied in less space.
Being not difficult to find out, also there is certain defect in prior art.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Ultralow speed motor, carries out low speed rotation driving.
For achieving the above object, the present invention is by the following technical solutions:
A kind of Ultralow speed motor, comprises housing, capping, gear ring, flexible tooth cup, output shaft, control box and excitation winding; Housing is hat, and the end face center of housing is provided with axis hole; Inside gear ring, along the circumferential direction arrangement is provided with internal tooth, and gear ring is made up of rigid material, and gear ring is rigidly secured on the inwall of housing; The inside of gear ring is located at by flexible tooth cup, the outward flange arrangement of flexible tooth cup is provided with external tooth, external tooth does not engage with the internal tooth of gear ring when deformation does not occur flexible tooth cup, on the inwall of flexible tooth cup, arrangement is provided with permanent magnet, the magnetic induction line direction of all permanent magnets is all disposed radially, and pole orientation is all consistent; Excitation winding is located at the center of flexible tooth cup, and excitation winding circumferentially arranges and is provided with magnet exciting coil; Capping is packaged on housing, and cap central is provided with axis hole; Output shaft is connected with flexible tooth cup, and the axis hole that output shaft is through to housing from the axis hole of capping is vertically outside; Control box is located at the outside of housing, and is electrically connected with excitation winding.
Further, bearing is provided with between described output shaft and housing.
Further, assemblage gap is provided with between described permanent magnet and permanent magnet.
Further, in described assemblage gap, pad is provided with the flexible gasket be made up of flexible material.
Further, outside described permanent magnet, be covered with flexible adventitia, flexible adventitia by coated for all permanent magnets be a closed magnetic rings be wholely set, the outer wall of magnetic rings and the inwall of flexible tooth cup fit tightly.
A kind of Ultralow speed motor provided by the present invention, has the following advantages:
Realize Ultra-Low Speed rotary actuation, run smooth and easy, to electrical system without operating pressure, consistent with common electric machine;
The rotary actuation of flexible tooth cup adopts magnetic without friction design, long service life, and caloric value is low, and stability is high;
Structure is simple, and volume is little, can be arranged on narrower space, is convenient to be applied to precision optical machinery field.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the exploded perspective view of Ultralow speed motor of the present invention.
Fig. 2 is the internal structure schematic diagram of Ultralow speed motor.
Description of reference numerals:
1, housing 2, gear ring
3, flexible tooth cup 4, excitation winding
5, magnet exciting coil 6, permanent magnet
7, output shaft 8, capping
9, assemblage gap
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention and accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described.It should be noted that, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment
Refer to Fig. 1 and Fig. 2, the invention discloses a kind of Ultralow speed motor, comprise housing 1, capping 8, gear ring 2, flexible tooth cup 3, output shaft 7, control box (not shown) and excitation winding 4; Housing 1 is in hat, and the end face center of housing 1 is provided with axis hole; Inside gear ring 2, along the circumferential direction arrangement is provided with internal tooth, and gear ring 2 is made up of rigid material, and gear ring 2 is rigidly secured on the inwall of housing 1; The inside of gear ring 2 is located at by flexible tooth cup 3, the outward flange arrangement of flexible tooth cup 3 is provided with external tooth, external tooth does not engage with the internal tooth of gear ring 2 when deformation does not occur flexible tooth cup 3, on the inwall of flexible tooth cup 3, arrangement is provided with permanent magnet 6, the magnetic induction line direction of all permanent magnets 6 is all disposed radially, and pole orientation is all consistent; Excitation winding 4 is located at the center of flexible tooth cup 3, and excitation winding 4 circumferentially arranges and is provided with magnet exciting coil 5; Capping 8 is packaged on housing 1, and capping 8 center is provided with axis hole; Output shaft 7 is connected with flexible tooth cup 3, and the axis hole that output shaft 7 is through to housing 1 from the axis hole of capping 8 is vertically outside; Control box is located at the outside of housing 1, and is electrically connected with excitation winding 4.
Traditional electric machine structure is continued to use for many years, employing be the design of excitation winding 4 and rotor, excitation winding 4 produces the magnetic field of alternation, thus drives rotor to rotate.But the rotating speed of this motor is than faster, more difficultly realize low speed rotation.Although private dress system can be adopted at present to carry out low speed control, drive current can become very large, is unfavorable for that long low runs.By the method for machinery, decelerator can be adopted to carry out deceleration and export, but decelerator is extra drive disk assembly, needs the installing space outside occupying volume.
The present invention has abandoned traditional rotor design completely, but adopts flexible tooth cup 3 to carry out driven at low speed with the mode that gear ring 2 engages in order.Its action principle is: excitation winding 4 produces an orderly magnetic field, so the permanent magnet 6 of flexible tooth cup 3 inwall produces repulsion in an orderly manner after being subject to influence of magnetic field, make the elastic deformation of flexible tooth cup 3 pests occurrence rule, outwardly part contacts with gear ring 2, and the external tooth of flexible tooth cup 3 projection is engaged with the internal tooth of gear ring 2.The rule that magnetic field produces is clockwise or is rotated counterclockwise, and therefore the elastic deformation of flexible tooth cup 3 is also clockwise or counterclockwise change, thus makes flexible tooth cup 3 and gear ring 2 produce orderly engagement process.And for the internal tooth of gear ring 2 and the external tooth of flexible tooth cup 3, the modulus of tooth is equal, because the diameter of gear ring 2 is larger than the diameter of flexible gear ring 2, the number of teeth of the gear ratio flexible tooth cup 3 of gear ring 2 must be caused many, thus when flexible tooth cup 3 occurs in the regular elastically-deformable process of a circle, the deflection of the corresponding generation smaller angle of meeting, and then cause Ultra-Low Speed rotary actuation.The actual speed of excitation winding 4 changes of magnetic field rotating speed and output meets speed reducing ratio:
In formula, Z
2for the number of teeth of gear ring 2;
Z
1for the number of teeth of flexible tooth cup 3.
And the regular deformation of flexible tooth cup 3 is controlled by magnetic field, without any friction means, reach the effect of zero friction, substantially prolongs the useful life of flexible tooth cup 3.The signal of telecommunication that the regular magnetic field that excitation winding 4 produces is provided by control cabinet controls, and the inside of control box is provided with various electric component and chip, for producing controllable magnetic field for excitation winding 4.The program of concrete Magnetic control by outside and the debugging to control box export and realize.The alternative frequency of controlling magnetic field also can control the output speed of Ultralow speed motor.
Rotate smoothly in order to ensure between output shaft 7 and housing 1, as preferably, between described output shaft 7 and housing 1 and capping 8, be provided with bearing (not shown).
As preferably, between described permanent magnet 6 and permanent magnet 6, be provided with assemblage gap 9.Because flexible tooth cup 3 needs constantly elastic deformation to occur, be arranged in permanent magnet 6 on its inwall if compact arranged, can interfere with each other the situation of dieback, assemblage gap 9 avoids this problem.And the magnetic pole between permanent magnet 6 with permanent magnet 6 is towards being consistent, also can produce repulsion between therefore adjacent permanent magnet 6, causes flexible tooth cup 3 can recover normal shape rapidly under the effect of repulsion.And as further preferably, pad in described assemblage gap 9 and be provided with the flexible gasket be made up of flexible material, thus the interaction between buffering permanent magnet 6 and permanent magnet 6, avoiding colliding there is wearing and tearing and noise.The quantity of permanent magnet 6 determines overall running accuracy, the magnetic flux density of permanent magnet 6 then determines the sensitivity of its reaction, and magnetic flux density is higher, and required driving electric power is less, but permanent magnet 6 and the interaction of permanent magnet 6 affect also more violent, and design parameter can required design.
As preferably, outside described permanent magnet 6, be covered with flexible adventitia, flexible adventitia by coated for all permanent magnets 6 be a closed magnetic rings be wholely set, the outer wall of magnetic rings and the inwall of flexible tooth cup 3 fit tightly.All permanent magnet 6 integral productions are become a magnetic rings by the design of this integral type, are convenient to overall maintaining, also improve the positioning precision of permanent magnet 6.Magnetic rings can be made into the parts of mass production, if need to change permanent magnet 6, directly changes whole magnetic rings, greatly reduces the difficulty of maintaining.
A kind of Ultralow speed motor provided by the present invention, can realize Ultra-Low Speed rotary actuation, runs smooth and easy, and to electrical system without operating pressure, easily can control rotating speed by programming, controllability is strong.And the rotary actuation of flexible tooth cup 3 adopts magnetic without friction design, long service life, caloric value is low, and stability is high.Overall structure is simple, and volume is little, can be arranged on narrower space, is convenient to be applied to precision optical machinery field, is with a wide range of applications in precision optical machinery field.
The above embodiment only have expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (5)
1. a Ultralow speed motor, is characterized in that: comprise housing, capping, gear ring, flexible tooth cup, output shaft, control box and excitation winding; Housing is hat, and the end face center of housing is provided with axis hole; Inside gear ring, along the circumferential direction arrangement is provided with internal tooth, and gear ring is made up of rigid material, and gear ring is rigidly secured on the inwall of housing; The inside of gear ring is located at by flexible tooth cup, the outward flange arrangement of flexible tooth cup is provided with external tooth, external tooth does not engage with the internal tooth of gear ring when deformation does not occur flexible tooth cup, on the inwall of flexible tooth cup, arrangement is provided with permanent magnet, the magnetic induction line direction of all permanent magnets is all disposed radially, and pole orientation is all consistent; Excitation winding is located at the center of flexible tooth cup, and excitation winding circumferentially arranges and is provided with magnet exciting coil; Capping is packaged on housing, and cap central is provided with axis hole; Output shaft is connected with flexible tooth cup, and the axis hole that output shaft is through to housing from the axis hole of capping is vertically outside; Control box is located at the outside of housing, and is electrically connected with excitation winding.
2. Ultralow speed motor according to claim 1, is characterized in that: be provided with bearing between described output shaft and housing and capping.
3. Ultralow speed motor according to claim 1, is characterized in that: be provided with assemblage gap between described permanent magnet and permanent magnet.
4. Ultralow speed motor according to claim 3, is characterized in that: in described assemblage gap, pad is provided with the flexible gasket be made up of flexible material.
5. the Ultralow speed motor according to claim 3 or 4, it is characterized in that: outside described permanent magnet, be covered with flexible adventitia, flexible adventitia by coated for all permanent magnets be a closed magnetic rings be wholely set, the outer wall of magnetic rings and the inwall of flexible tooth cup fit tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009965.8A CN105449970A (en) | 2015-12-26 | 2015-12-26 | Ultralow-speed motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009965.8A CN105449970A (en) | 2015-12-26 | 2015-12-26 | Ultralow-speed motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105449970A true CN105449970A (en) | 2016-03-30 |
Family
ID=55559864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511009965.8A Pending CN105449970A (en) | 2015-12-26 | 2015-12-26 | Ultralow-speed motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449970A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030038563A1 (en) * | 2001-08-23 | 2003-02-27 | Baudendistel Thomas A. | Harmonic motor |
| DE102006017713A1 (en) * | 2006-04-15 | 2007-10-25 | Zf Friedrichshafen Ag | Gear motor for use as e.g. steering servo motor in industrial robot hinge, has drive motor with coils and magnetically influenceable component parts, where locally rotatable deformation of flexible rings is produced by coils and parts |
| CN101889154A (en) * | 2007-12-05 | 2010-11-17 | Abb研究有限公司 | Harmonic motor |
| CN102656389A (en) * | 2009-11-18 | 2012-09-05 | 奥迪股份公司 | Harmonic drive transmission |
| CN104930125A (en) * | 2015-06-19 | 2015-09-23 | 苏州大学 | Magnetic harmonic gear speed reducer |
| CN205231980U (en) * | 2015-12-26 | 2016-05-11 | 郭嘉辉 | Super slowspeed machine |
-
2015
- 2015-12-26 CN CN201511009965.8A patent/CN105449970A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030038563A1 (en) * | 2001-08-23 | 2003-02-27 | Baudendistel Thomas A. | Harmonic motor |
| DE102006017713A1 (en) * | 2006-04-15 | 2007-10-25 | Zf Friedrichshafen Ag | Gear motor for use as e.g. steering servo motor in industrial robot hinge, has drive motor with coils and magnetically influenceable component parts, where locally rotatable deformation of flexible rings is produced by coils and parts |
| CN101889154A (en) * | 2007-12-05 | 2010-11-17 | Abb研究有限公司 | Harmonic motor |
| CN102656389A (en) * | 2009-11-18 | 2012-09-05 | 奥迪股份公司 | Harmonic drive transmission |
| CN104930125A (en) * | 2015-06-19 | 2015-09-23 | 苏州大学 | Magnetic harmonic gear speed reducer |
| CN205231980U (en) * | 2015-12-26 | 2016-05-11 | 郭嘉辉 | Super slowspeed machine |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |