CN101662181B - Translational gearing motor with improved structure - Google Patents
Translational gearing motor with improved structure Download PDFInfo
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- CN101662181B CN101662181B CN2009100929977A CN200910092997A CN101662181B CN 101662181 B CN101662181 B CN 101662181B CN 2009100929977 A CN2009100929977 A CN 2009100929977A CN 200910092997 A CN200910092997 A CN 200910092997A CN 101662181 B CN101662181 B CN 101662181B
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Abstract
A translational gearing motor with improved structure is a low-speed large-torque motor integrating a motor with a speed reducer. 4 sets of magnetic poles are arranged in the axial direction, each set of magnetic poles consists of a rotor in the middle and stators at two sides, a coil winding is arranged on the stator, and after being electrified, the winding drives the rotor to move left and right so as to form a unidirectional drive magnetic pole. The four sets of magnetic poles are divided into two pairs with the installation directions vertically intersecting. A slide bush and a main shaft of a through hole in the middle of the rotor form a slide revolute joint and the main shaft is connected with a cycloid external gear through a connecting key. By controlling the working status of the windings of the four sets of magnetic poles, the rotor can be driven to drive the main shaft to generate translation of revolution mode in radial direction and to drive the cycloid external gear and a cycloid annular gear fixed on a machine shell to do gearing motion. According to theory of engagement, the cycloid external gear drives the main shaft to output low-speed large-torque motion. The motor is characterized by not only improving the winding fill rate of a single magnetic pole, but also reducing the control difficulty of magnetic field force of distributed windings by arranging a plurality of unidirectional drive magnetic poles in axial direction.
Description
Technical field
The present invention relates to a kind of horizontal moving type engaging motor of architecture advances, exactly, relate to a kind of with architecture advances stator and rotor between the variation of magnetic resistance, electric energy is converted into mechanical energy, slide with the crosshead shoe that substitutes the foramen primum latch structure again and retrain under the secondary constraint, make rotor do circumferential translation, and drive the horizontal moving type engaging motor of inside engaged gear reducing gear, belong to the power-jdriven gear technical field in the mechanized equipment system by rotor around stator.
Background technology
In recent years, both at home and abroad obtained good progress in the research of novel reducing gear and motor being carried out aspect integrated.Such as the two combines design and makes motor and harmonic wave speed reducing machine, make output torque increase, and its physical dimension significantly reduce.The scientific and technical personnel of Japan adopt the deceleration transmission principle based on gears engaged, have developed the motor of multiple different types of structure.For example: the piezoelectricity cycloidal generator, it is that engagement by a pair of cycloid gear converts the stretching motion of piezoelectric actuator the rotation of rotor to, relies on the actuating force of piezoelectric actuator output to promote cycloidal generator rotation output torque again.The speed reducing ratio of piezoelectricity cycloidal generator is its rotor and the ratio of difference with the rotor number of teeth of the stator number of teeth, and speed reducing ratio is very high.Simultaneously little because of the friction loss of meshed transmission gear, transmission efficiency is high, so the ultrasonic harmonic motor that involves that frictional force is exported the slow-speed of revolution, high pulling torque between piezoelectricity cycloidal generator and the dependence rotor compares, and has higher efficient and useful life.
Because the transmission advantage of gears engaged, successively developed the multiple low-speed big motor that gears engaged is combined with dissimilar driver in recent years.For example the cycloidal generator that drives by rubber deformation, by the bevel gear motor of air cylinder driven, rely on face gear motor and electromagnetism cycloidal generator and electromagnetism bevel gear motor or the like of Driven by Hydraulic Cylinder.Above-mentioned motor has the efficient height, precision is good, wearing and tearing are little, volume is little, the advantage of compact conformation, has obtained good application at the drive unit that is used for robot.
But above-mentioned motor just interconnects driver and stator, do not constitute integrated mechanism, so structure is not compact.Adopt the motor of cylinder and Driven by Hydraulic Cylinder, except driver, also additionally need power source.The motor that piezoelectricity or giant magnetostrictive material drive is then lacked very much (only being micron order) because of the stroke of its driver effect, in order to satisfy the needs of stator movement stroke, also needs to increase a cover lever, to increase its effect stroke.And the motor that uses in the bigger occasion of driven at low speed and load all will be installed decelerator and associated components thereof or device, has so just increased the structure member and the weight of drive unit.For this reason, the applicant has developed and a kind of mechanical reduction gear and motor driver has been realized the integrated horizontal moving type engaging motor that combines (number of patent application: 200810114840.5), the above-mentioned various defectives of prior art have been solved preferably, but in use afterwards, find also to exist on its structure defective: its magnetic field is coupling and generation negative work magnetic circuit easily, circuit control more complicated, the required precision height of the machining of individual parts and assembling, therefore how to improve above-mentioned motor, to improve and to improve its electrical and mechanical comprehensive performance, just become applicant's the new problem of research.
Summary of the invention
In view of this, the horizontal moving type engaging motor that the purpose of this invention is to provide a kind of architecture advances, this motor also is as actuating force with electromagnetic force, with the horizontal moving type engaging motor of cycloid gear engagement transmission mechanism as the slow-speed of revolution of deceleration output block, big torque, but various defectives and problem that it can solve existing motor preferably become a kind of simpler, practical horizontal moving type engaging motor.
In order to achieve the above object, the invention provides a kind of horizontal moving type engaging motor of architecture advances, it is the slow speed motor of big torque that motor and speed reducer is become one, include: the stator of motor, rotor, the cycloid ring gear of gear reduction unit and cycloid external gear, pole bracket, main shaft, translation constraint mechanism, and casing; Wherein the cycloid external gear links main shaft by flat key, drive external tooth crop rotation revolution motion by main shaft, again by with the fixing cycloid ring gear of external gear engagement, the spinning motion of external gear output low speed, and drive main shaft by connecting key and rotate, and then export this spinning motion by shaft coupling and output shaft; It is characterized in that:
Described stator adopts distributed frame, each stator is the middle semi-round ring shape member that projection is arranged, coil windings on each projection constitutes the induction magnetic pole that can control respectively, after two stator winding that are positioned at the radially both sides of described rotor are switched on respectively, the electromagnetic force that these two stator coil windings produce will drive this rotor to direction translational separately; The electromagnetic force that produces because of each stator coil winding this stator self of only flowing through forms closed path with this rotor, does not pass through other stator, does not avoid occurring the negative work magnetic circuit; When radial dimension and core section were long-pending identical, this structure can be provided with the more coil windings number of turn, improved the power density of motor;
Described rotor is the cuboid member, is fixed at two rotor field spiders, and each rotor field spider is provided with the transversal translation constraint pair of straight-line groove and crosshead shoe formation; The slide block dish that this crosshead shoe and another are provided with the straight trough through hole constitutes vertical translation constraint pair; This crosshead shoe constraint mechanism makes the radially translation and can not rotating of described rotor;
The magnetic pole module that described stator and rotor constitute is provided with vertically, constitutes the encapsulation magnetic pole of many cover dies blocking, and this structure can improve total magnetic field force output, is convenient to settle according to purposes the encapsulation magnetic pole of varying number again, exports different power.
Described main shaft is installed in the through hole of described rotor by sliding bearing, can drive main shaft when making this rotor translation and move horizontally, but not limit freely rotating of this main shaft; This main shaft connects external gear by key, when making described rotor translation, drives main shaft and external gear and does revolution motion, drives main shaft by the fixedly ring gear with the external gear engagement again and makes spinning motion, and promptly main shaft also has spinning motion when revolution motion; Thereby the output mechanism that utilizes crosshead shoe and output shaft to constitute is exported the low speed of this main shaft, big torque spinning motion, but does not retrain its revolution motion; To avoid that load torque is imposed on the support restraining structure, reduce the wearing and tearing of constraint mechanism and the loss of efficient.
Described pole bracket is the inboard thin wall circular type member that is provided with a plurality of projections and two screwed holes, these a plurality of projections are corresponding with described stator profile, be used for two stators are installed in pole bracket, and radial location is packed in the both sides of each rotor respectively, again by the screw in two screwed holes with two stators at axial spiral shell fixed bit.
Described rotor field spider is cross sectional shape and the akin thin-plate element of rotor, the straight-line groove that these rotor field spider center through hole both sides are arranged with screw respectively and are parallel to each other, two screws are used for the solid described rotor of spiral shell, it is secondary that two crosshead shoes on two straight-line grooves and the slide block dish constitute the transversal translations constraint, make that described rotor can only translation, can not rotate.
Described slide block dish is the thin plate round member that is provided with two straight trough through holes and a plurality of screws, wherein a plurality of screws are divided into two groups, be respectively applied for this slide block valve snail is being positioned at the pole bracket of its both sides admittedly, two straight-line grooves of two straight trough through holes and rotor field spider are the shape that intersects vertically, be used to embed two crosshead shoes of described rotor field spider, it is secondary to constitute vertical translation constraint.
Described every cover magnetic pole is made up of a rotor and two stators that are positioned at its both sides, and the coil windings on these two stators drives this rotor direction translational up and down respectively, forms the unidirectional drive structure; The coil windings of coil windings on two stators of the another set of magnetic pole of same structure on axial and above-mentioned magnetic pole stator is the square crossing setting, forms the driving magnetic pole of left and right direction.
Described horizontal moving type engaging motor is provided with 2 cover magnetic poles respectively in the both sides of the gear reduction unit that is positioned at axial cycloid ring gear and cycloid external gear formation, form two covers, the 4 phase type of drive of symmetry.
The present invention is a kind of slow-speed of revolution of architecture advances, the horizontal moving type engaging motor of big torque, this motor has been inherited the characteristics of original motor: the stator and the rotor of motor are connected firmly with cycloid external gear and cycloid ring gear respectively, form cycloidal reducer gear motion mode, rely on the cycloid gear engaged transmission to realize slowing down, really motor and reductor are combined as a whole.And rotor has only translation not rotate with respect to stator, thus avoided conventional motors rotor relative stator to rotate a circle and cause that operating distance is long, response speed is slow, weakness such as low speed operating mode instability, output torque are little.In addition, the present invention also has following innovation advantage:
Adopt the distributed field structure of unidirectional drive, can avoid the magnetic circuit coupling between magnetic pole, reduced the difficulty of magnetic field analysis, and avoided the negative work magnetic circuit in the original electric machine structure, improved electric efficiency; Simultaneously, under equal volume, can arrange the more winding of multiturn number on the stator of the present invention, improve actuating force.
The unidirectional drive magnetic pole of two stators of a rotor and its both sides being formed a cover die blocking, this structure makes the assembling of motor of the present invention be more prone to, and the version that can make motor of the present invention is flexible, changeable, for example: when needing bigger output torque, the quantity that only needs to increase the magnetic pole module just can obtain more powerful torque.
Motor of the present invention is in running, air-gap field corresponding surface between the stator and rotor of distributed field structure is in the state of being parallel to each other all the time, the local magnetic circuit saturated phenomenon of air-gap field between the magnetic pole of so just having avoided occurring in the original motor, simultaneously also can the Motionless electromagnetic force direction, thereby make that the electromagnetic force of this motor pole is relatively easy to control, only need to regulate the exciting current size, need not to consider the sense of current, can obtain needed electromagnetic actuation force, and then relatively easily accurately control motor output torque.
Originally adopted hole pin constraint to come restrict rotor to rotate in the electric machine structure, machining accuracy and assembly precision to this hole and pin are all had relatively high expectations, the present invention has adopted crosshead shoe that rotor is retrained, its requirement to the parts machining accuracy is lower, both cut down finished cost, assembling easily improves the machine operation reliability again.
Originally the ring gear in the electric machine structure is done the revolution translation, with the external gear engagement, to rotate as output shaft by external gear again, this kind structure will pass to ring gear to the load counter-force that ring gear is subjected to, and then pass to the hole pin constraint mechanism that is connected with ring gear, quickened the wearing and tearing of constraint mechanism; Motor of the present invention adopts ring gear to maintain static, and does the kind of drive of revolution translation and rotation output by external gear, can avoid just load counter-force to pass to constraint mechanism, and in motor operation course, only bear the load counter-force by ring gear.The improvement of this kind structure can prolong the life-span of motor.
Description of drawings
Fig. 1 (A), (B), (C) are respectively that the structure of stator in the horizontal moving type engaging motor of architecture advances of the present invention and rotor is formed the reductor engaged transmission schematic diagram with cycloid ring gear and cycloid external gear.
Fig. 2 (A), (B), (C), (D) are respectively the stator of horizontal moving type engaging motor when motor-driven and the relative position and the fundamental diagrams of rotor of architecture advances of the present invention.
Fig. 3 and Fig. 4 are respectively the axial and radial cross-section of the horizontal moving type engaging motor of architecture advances of the present invention.
Fig. 5 (A), (B) are respectively the front view and the axonometric drawings of the cycloid ring gear among the present invention.
Fig. 6 (A), (B) are respectively the front view and the axonometric drawings of the cycloid external gear among the present invention.
Fig. 7 (A), (B) are respectively the front view and the axonometric drawings of the stator among the present invention.
Fig. 8 (A), (B) are respectively the front view and the axonometric drawings of the rotor among the present invention.
Fig. 9 (A), (B) are respectively the front view and the axonometric drawings of the main shaft among the present invention.
Figure 10 (A), (B) are respectively the front view and the axonometric drawings of the pole bracket among the present invention.
Figure 11 (A), (B) are respectively the front view and the axonometric drawings of the rotor field spider among the present invention.
Figure 12 (A), (B) be respectively among the present invention the slide block dish show front view and axonometric drawing.
Figure 13 (A), (B) are respectively the front view and the axonometric drawings of the output shaft among the present invention.
Figure 14 (A), (B) are respectively the front view and the axonometric drawings of the crosshead shoe among the present invention.
Figure 15 (A), (B) are respectively the front view and the axonometric drawings of the sliding shaft sleeve among the present invention.
Figure 16 (A), (B) are respectively the front view and the axonometric drawings of the ring flange among the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
The present invention is a kind of horizontal moving type engaging motor of architecture advances, is motor and speed reducer is become one, simplifies machine driven system, can directly export the slow-speed of revolution, high pulling torque, and has the certain self-locking and the slow-speed motor of stopping power.This motor is equipped with the quadruplet magnetic pole, and every cover magnetic pole is made up of the rotor of centre and two stators of both sides thereof, after being installed in coil windings on the stator and powering up, can drive that rotor is left and right to be moved, and forms the unidirectional drive magnetic pole; Axially the quadruplet magnetic pole of installing is divided into stagger mutually two couple of 90 ° of its pole orientation.Sliding shaft sleeve that each rotor intermediate throughholes is installed and main shaft form the slip revolute, and main shaft is connected with the cycloid external gear by connecting key.Operating state by control quadruplet pole coil winding, just can drive rotor and drive main shaft in the translation that radially produces the revolution formula, this main shaft is installed in the through hole of rotor by sliding bearing, can drive main shaft when making the rotor translation and move horizontally, but not limit freely rotating of main shaft.Link the cycloid external gear because of main shaft by flat key again, so during the rotor translation, drive external tooth crop rotation revolution motion by main shaft, produce gear motion by the cycloid ring gear that is fixed as one with casing again with external gear engagement, and the drive main shaft is made spinning motion, be main shaft when revolution motion, spinning motion is also arranged.According to the theory of engagement, drive main shaft by the cycloid external gear and rotate, and then export low speed, big torque movements by shaft coupling and output shaft.This mechanism can avoid load torque is imposed on the support restraining structure, reduces the wearing and tearing of constraint mechanism and the loss of efficient.
Motor characteristic feature of the present invention is that a plurality of unidirectional drive magnetic poles axially are being set, and has both improved the winding filling rate of single magnetic pole, and the distributed winding that is adopted has reduced the difficulty in the magnetic field force control again.
Referring to Fig. 1 and Fig. 2, introduce the structure of stator in the motor of the present invention and rotor and form and operation principle:
Two stators 2 and a rotor 1 that the useful soft magnetic material of every cover magnetic pole of motor of the present invention is made had not both had winding on the rotor 1 of rectangle magnetic pole and had not had permanent magnet yet.Stator 2 adopts distributed frame, and each stator 2 all is respectively equipped with coil windings 2A, the induction magnetic pole that formation can be controlled respectively for the middle semi-round ring shape member that projection is arranged on the projection of stator 2.The another set of magnetic pole of She Zhiing and the first cover magnetic pole 90 degree that stagger are installed (referring to Fig. 1 (B)) diametrically, when to first the cover magnetic pole 1. and 3. two groups of coils power up the time, rotor 1 in the middle of being positioned at goes to upper and lower attracting state, (referring to Fig. 2 (A) and Fig. 2 (C)), when to the second cover magnetic pole 2. and 4. two groups of coils power up the time, rotor 1 is respectively right, left attracting state (referring to Fig. 2 (B) and Fig. 2 (D)).Therefore, as long as the powering order of respectively organizing coil and the direction of two groups of magnetic poles of control just can make rotor 1 according to as Fig. 2 (A), (B), (C), (D) shown in: on → right → down → left → on cyclic order do adhesive and move; If sub-circuit again can realize that rotor makes uniform revolution motion around axis stator.
Referring to each accompanying drawing, specifically introducing the structure of motor of the present invention forms, its parts include: the rotor 1 of motor, stator 2, the cycloid external gear 3 of gear reduction unit and cycloid ring gear 4, main shaft 5, sliding shaft sleeve 6, output shaft 7, pole bracket 8, rotor field spider 9, slide block dish 10, and casing 11, ring flange 12, crosshead shoe 13, rolling bearing 14, bearing cap 15, linking bond 16, trip bolt 17 etc.
The rotor 1 of motor is that the cuboid member is (referring to Fig. 8 and Fig. 3, Fig. 4), the trip bolt of employing in its through hole 1A is fixed at two rotor field spiders 9, rotor field spider 9 is cross sectional shape and the akin thin-plate element of rotor, the straight-line groove 9B that each rotor field spider 9 center through hole both sides is arranged with screw 9A respectively and is parallel to each other, two screw 9A are used for the solid rotor 1 of spiral shell, it is secondary that projection 13A on two straight-line groove 9B and two crosshead shoes 13 constitutes the transversal translation constraint, the projection 13B of the opposite side of these two crosshead shoes 13 cooperates with twice straight trough through hole 10B on the slide block dish 10, it is secondary to form vertical translation constraint, and the crosshead shoe translation constraint mechanism of this both direction makes rotor 1 translation diametrically and can not rotate.The slide block dish 10 of thin plate round member is provided with two straight trough through hole 10B and a plurality of screw 10A, a plurality of screw 10A are divided into two groups, be respectively applied for the solid pole bracket 8 that is being positioned at its both sides of these slide block dish 10 spiral shells, two straight-line groove 9B of two straight trough through hole 10B and rotor field spider 9 are the shape that intersects vertically, and are used to embed rotor field spider 9 and two crosshead shoes 13.
Every cover magnetic pole of motor of the present invention is formed (referring to Fig. 7, Fig. 3 and Fig. 4) by a rotor 1 and two stators 2 of its both sides, and cooperates spiral shell solid by the center through hole 2A of rotor 1 and the screw 8B of pole bracket 8.Pole bracket 8 is the inboard thin wall circular type member that is provided with a plurality of projections and two screwed holes, screwed hole 8A on the projection cooperates spiral shell solid with screw 10A on the slide block dish 10, make the two ends of two slide block dish 10 fastenings at pole bracket 8, thereby stator 2 and rotor 1 are encapsulated in the pole bracket 8, have also fixed the crosshead shoe constraint mechanism simultaneously.A plurality of projections of pole bracket 8 are corresponding with the shape of stator 2, be used for two stators 2 are installed in pole bracket 8, and radial location is packed in the both sides of rotor 1 respectively, again by the screw among two screwed hole 8B with two stators 2 at axial spiral shell fixed bit.After being positioned at winding on two stators 2 of rotor 1 both sides and switching on respectively, the electromagnetic force that these two stator coil windings produce will drive this rotor to direction translational separately; The electromagnetic force that produces because of the coil windings of each stator 2 this stator 2 of only flowing through self forms closed path with this rotor 1, can not pass through other stator, avoids occurring the negative work magnetic circuit; When radial dimension and core section were long-pending identical, this structure can be provided with the more coil windings number of turn, improved the power density of motor;
Motor of the present invention is being axially arranged with another set of magnetic pole, and the arrangement of its stator 2 and rotor 1 and pole bracket 8 and last cover magnetic pole are 90 ° of angles.After the winding 2A interleaved order energising of two cover magnetic poles, the electromagnetic force that these solenoid windings 2A produces will drive rotor 1 when doing translation, drive cycloid ring gear 4 translations that connect firmly with rotor 1.
The cycloid ring gear 4 in the gear reduction and the structure of cycloid external gear 3 there are not change substantially: cycloid ring gear 4 is thin-walled ring-type through hole member (referring to Fig. 5), its radial equipartition is provided with 12 through holes, by the knot that is connected of the hole 10A spiral shell on trip bolt and the slide block dish 10.Cycloid external gear 3 is a thin-walled through hole member (referring to Fig. 6), is provided with the groove of placing connecting key 16 in the middle of it in the through hole, is used for the rotation of this cycloid external gear 3 is passed to output shaft 5.The cycloid ring gear 4 of motor of the present invention and cycloid external gear 3 composition conjugate tooth profiles and the number of teeth are the cycloid gear reductor of a tooth difference, and its step-down ratio i is: i=-Z
o/ (Z
i-Z
o), in the formula, Z
iBe the number of teeth of cycloid ring gear 4, Z
oThe number of teeth for cycloid external gear 3.This is exported the revolution of cycloid external gear 3 conjugate tooth through the back of slowing down, rotor 1 drives main shaft 5 and cycloid external gear 3 public affairs circle, and cycloid external gear 3 only rotates a tooth, by this from the main shaft 5 output slow-speed of revolution and high pulling torques.
Referring to Fig. 9, the keyway 5A of main shaft 5 places connecting key 16, by connecting key 16 rotation of cycloid external gear 3 is passed to this main shaft 5; Match with two cover sliding cross couplings respectively in the two ends of main shaft 5, by the rotation output of output shaft 7 with cycloid external gear 3, sliding cross coupling is not exported the translation of main shaft 5.
Motor of the present invention is equipped with the magnetic pole of quadruplet same structure, the rotor 1 of every cover magnetic pole is slidingly matched by sliding bearing and main shaft 5, main shaft 5 connects cycloid external gear 3 by connecting key 16, the quadruplet magnetic pole is symmetricly set in the both sides of the cycloid external gear 3 on the main shaft 5, the setting angle that two covers are distributed in the outermost magnetic pole is identical, setting angle near two cover magnetic poles of cycloid external gear 3 is identical, but with the two cover magnetic pole stagger angles in the outside, 90 degree that stagger.Every cover magnetic pole all is packed in the pole bracket 8, and stator 2 utilizes screw to be fixed at the projection of pole bracket 8, and rotor 1 utilizes screw to be anchored on rotor field spider 9, and rotor field spider 9 constitutes the translation constraint mechanism by crosshead shoe 13 and slide block dish 10.Former and later two slide block dishes 10 utilize screw to be fastened on the pole bracket 8, thereby rotor 1, stator 2, crosshead shoe 13 and rotor field spider 9 are solidly installed.After the stator winding 2A of the magnetic pole of different setting angles successively powers on, drive rotor 1 translation, the cycloid ring gear that drives output shaft 5 and cycloid external gear 3 simultaneously and connect firmly with it 4 produces gear motions, by connecting key 16 rotation of cycloid external gear 3 is passed to main shaft 5 at last and exports the slow-speed of revolution, high pulling torque.
In a word, the design feature of motor of the present invention is to be meshing with each other under the electromagnetic actuation force effect by the cycloid external gear 3 on cycloid ring gear on the rotor 14 and the stator 2, shorten the operating distance between stator 2 and the rotor 1, increase active force, make reductor really become as a whole with motor.
The present invention has succeeded in developing experimental prototype, and has carried out implementing test.The parameter of this model machine and performance are: the ring gear number of teeth: 55, and the external gear number of teeth: 54, gearratio: 54: 1, the casing external diameter 65mm of motor, motor length overall 104mm, on-load voltage 12V, the peak current 3.6A that measures.This motor adopts the pulse signal of four phase eight beat to drive, when rotating speed is 3 rev/mins, output torque can reach: 4.8Nm (need to prove: because of the limitation of process equipment, there is mismachining tolerance in model machine, between each kinematic constraint part fit clearance is arranged, cause cycloid gear when engagement, to skid sometimes, make carrying reduce).Although there is certain defective,, test is successful substantially, has realized goal of the invention.
Claims (7)
1. the horizontal moving type engaging motor of an architecture advances, be the slow speed motor of big torque that motor and speed reducer is become one, include: the stator of motor, rotor, the cycloid ring gear of gear reduction unit and cycloid external gear, pole bracket, main shaft, translation constraint mechanism, and casing; Wherein the cycloid external gear links main shaft by flat key, drive external tooth crop rotation revolution motion by main shaft, again by with the fixing cycloid ring gear of external gear engagement, the spinning motion of external gear output low speed, and drive main shaft by connecting key and rotate, and then export this spinning motion by shaft coupling and output shaft; It is characterized in that:
Described stator adopts distributed frame, each stator is the middle semi-round ring shape member that projection is arranged, coil windings on each projection constitutes the induction magnetic pole that can control respectively, after two stator winding that are positioned at the radially both sides of described rotor are switched on respectively, the electromagnetic force that these two stator coil windings produce will drive this rotor to direction translational separately; The electromagnetic force that produces because of each stator coil winding this stator self of only flowing through forms closed path with this rotor, does not pass through other stator, does not avoid occurring the negative work magnetic circuit; When radial dimension and core section were long-pending identical, this structure can be provided with the more coil windings number of turn, improved the power density of motor;
Described rotor is the cuboid member, is fixed at two rotor field spiders, and each rotor field spider is provided with the transversal translation constraint pair of straight-line groove and crosshead shoe formation; The slide block dish that this crosshead shoe and another are provided with the straight trough through hole constitutes vertical translation constraint pair; This crosshead shoe constraint mechanism makes the radially translation and can not rotating of described rotor;
The magnetic pole module that described stator and rotor constitute is provided with vertically, constitutes the encapsulation magnetic pole of many cover dies blocking, and this structure can improve total magnetic field force output, is convenient to settle according to purposes the encapsulation magnetic pole of varying number again, exports different power.
2. horizontal moving type engaging motor according to claim 1 is characterized in that: described main shaft is installed in the through hole of described rotor by sliding bearing, can drive main shaft when making this rotor translation and move horizontally, but not limit freely rotating of this main shaft; This main shaft connects external gear by key, when making described rotor translation, drives main shaft and external gear and does revolution motion, drives main shaft by the fixedly ring gear with the external gear engagement again and makes spinning motion, and promptly main shaft also has spinning motion when revolution motion; Thereby the output mechanism that utilizes crosshead shoe and output shaft to constitute is exported the low speed of this main shaft, big torque spinning motion, but does not retrain its revolution motion; To avoid that load torque is imposed on the support restraining structure, reduce the wearing and tearing of constraint mechanism and the loss of efficient.
3. horizontal moving type engaging motor according to claim 1, it is characterized in that: described pole bracket is the inboard thin wall circular type member that is provided with a plurality of projections and two screwed holes, these a plurality of projections are corresponding with described stator profile, be used for two stators are installed in pole bracket, and radial location is packed in the both sides of each rotor respectively, again by the screw in two screwed holes with two stators at axial spiral shell fixed bit.
4. horizontal moving type engaging motor according to claim 1, it is characterized in that: described rotor field spider is cross sectional shape and the akin thin-plate element of rotor, the straight-line groove that these rotor field spider center through hole both sides are arranged with screw respectively and are parallel to each other, two screws are used for the solid described rotor of spiral shell, it is secondary that two crosshead shoes on two straight-line grooves and the slide block dish constitute the transversal translations constraint, make that described rotor can only translation, can not rotate.
5. horizontal moving type engaging motor according to claim 4, it is characterized in that: described slide block dish is the thin plate round member that is provided with two straight trough through holes and a plurality of screws, wherein a plurality of screws are divided into two groups, be respectively applied for this slide block valve snail is being positioned at the pole bracket of its both sides admittedly, two straight-line grooves of two straight trough through holes and rotor field spider are the shape that intersects vertically, be used to embed two crosshead shoes of described rotor field spider, it is secondary to constitute vertical translation constraint.
6. horizontal moving type engaging motor according to claim 1, it is characterized in that: described every cover magnetic pole is made up of a rotor and two stators that are positioned at its both sides, coil windings on these two stators drives this rotor direction translational up and down respectively, forms the unidirectional drive structure; The coil windings of coil windings on two stators of the another set of magnetic pole of same structure on axial and above-mentioned magnetic pole stator is the square crossing setting, forms the driving magnetic pole of left and right direction.
7. according to claim 1 or 6 described horizontal moving type engaging motors, it is characterized in that: described horizontal moving type engaging motor is provided with 2 cover magnetic poles respectively in the both sides of the gear reduction unit that is positioned at axial cycloid ring gear and cycloid external gear formation, forms two covers, the 4 phase type of drive of symmetry.
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| CN103296832B (en) * | 2012-11-02 | 2016-12-21 | 许昌学院 | A kind of permanent magnetism translational meshing motor |
| CN103199650A (en) * | 2013-01-05 | 2013-07-10 | 张元敏 | Three-phase inner rolling type meshing motor |
| CN106505813B (en) * | 2016-12-23 | 2018-06-29 | 江苏金彭车业有限公司 | A kind of automobile-used automatic tune square variable speed electric motors, particularly of electric three-wheel |
| US10811946B1 (en) * | 2019-04-02 | 2020-10-20 | GM Global Technology Operations LLC | Cycloidal reluctance motor with rotor permanent magnets |
-
2009
- 2009-09-21 CN CN2009100929977A patent/CN101662181B/en not_active Expired - Fee Related
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| CN101662181A (en) | 2010-03-03 |
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