CN101262186B - Vertical bending layer energy converter cylinder stator and ultrasonic electromotor using this stator - Google Patents
Vertical bending layer energy converter cylinder stator and ultrasonic electromotor using this stator Download PDFInfo
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- CN101262186B CN101262186B CN2008100644130A CN200810064413A CN101262186B CN 101262186 B CN101262186 B CN 101262186B CN 2008100644130 A CN2008100644130 A CN 2008100644130A CN 200810064413 A CN200810064413 A CN 200810064413A CN 101262186 B CN101262186 B CN 101262186B
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Abstract
The invention discloses a longitudinal bending sandwiched energy converter-typed cylindrical stator and an ultrasonic motor to which the stator is applied, which relates to the piezoelectric ultrasonic motor field. The invention solves the problem in the existing ultrasonic motor stator, that mechanical output capacity is restrained with poor controllability and low efficiency due to the adoption of a plurality of energy converters for driving. The inner side of the stator is evenly provided with a plurality of comb-shaped drive teeth, an upper end conical face and a lower end conical face are symmetrically arrangedl at the upper part and the lower part of the comb-shaped drive teeth; the front end cover of the sandwiched energy converter is a quadrangular with a rectangle cross section narrowing down gradually, the small end face of the front end cover is fixedly connected with the outer face of the cylinder of the stator and the front end cover and the back end cover are fixedly connected through a flange; a longitudinal vibration piezoelectric ceramic pieces and flexural vibration piezoelectric ceramic pieces are respectively fixed between the front end cover and the flange, and the flange and the back end cover. A rotor with a shaft and a rotor without a shaft in the ultrasonic motor are respectively arranged at the upper end conical face and the lower end conical face of the comb-shaped drive teeth in the cylinder of the stator. The longitudinal vibration sandwiched energy converter-typed round disc stator and the ultrasonic motor of the invention are applicable to the manufacturing field of the ultrasonic motors.
Description
Technical field
The present invention relates to a kind of vertical angle coupling heart converter cylinder stator and use the ultrasound electric machine of this stator, belong to the piezoelectric ultrasonic motor technical field.
Background technology
Piezoelectric ultrasonic motor is a kind of inverse piezoelectric effect of utilizing piezoelectric ceramic, in elastomer, motivate the vibration in the supersonic range, form particle movement at surface of elastomer specified point or specific region with particular track, and then the microscopic motion of particle is converted to the macroscopic motion of rotor by the friction between stator, rotor coupling, have low speed high torque, need not gear, no electromagnetic interference, advantage such as response speed is fast and cut off self-lock, have very as a kind of piezoelectric actuator and to use widely.
For the simplicity of exiting principle and the simplicity of theoretical analysis method, piezoelectric ultrasonic motor adopts the mode of metallic elastic body stickup piezoelectric ceramic thin sheet to encourage mostly at present, owing to be subjected to the d of piezoelectric ceramic
31Pattern mechanical-electric coupling efficient and ceramic material tensile strength are low, and the restriction of the intensity of glue-line and fatigue life etc., and such energisation mode makes the mechanical fan-out capability of ultrasound electric machine be subjected to serious restriction.In addition, for the piezoelectric ultrasonic motor that adopts a plurality of transducer drive, because it is in full accord that each transducer is difficult to guarantee in processes such as processing, stickup and assembling, its vibration characteristics be there are differences, and then cause the distortion of stator surface particle vibration track, reduce the mechanical fan-out capability and the controllability of ultrasound electric machine.
Summary of the invention
The problem that the mechanical fan-out capability that exists for the stator that solves the ultrasound electric machine that the existing mode that adopts the metallic elastic body to paste piezoelectric ceramic thin sheet encourages is restricted, and being difficult to of adopting that a plurality of transducer drive exist guarantees that a plurality of transducers are in full accord and the distortion of the stator surface particle vibration track that causes, reduce the mechanical fan-out capability of ultrasound electric machine and the problem of controllability, the invention provides a kind of vertical angle coupling heart converter cylinder stator and use the ultrasound electric machine of this stator.
Vertical angle coupling heart converter cylinder stator of the present invention comprises driving cylinder and vertical angle coupling heart transducer, drives cylinder and comprises cylinder, thin-walled ring and cylinder flange, and between cylinder and cylinder flange, be the thin-walled ring, described cylinder, thin-walled ring and cylinder flange are coaxial; Vertical angle coupling heart transducer comprises front end housing, rear end cap, insulating case, the a pair of curved piezoelectric ceramic piece that shakes, flange, a pair of longitudinal vibration piezoelectric ceramic piece and three electrode slices, described front end housing is that the cross section vertical with indulging angle coupling heart transducer length direction symmetry axis is rectangle and tapered four prisms cylinder, the thickness of described front end housing equates with the height of cylinder, the front end housing small end face is fixedlyed connected with cylinder outer surface, there is a tapped blind hole at the center of the large end face of described front end housing, the center of rear end cap is the through hole that has internal thread, and the two ends of described flange center have double-screw bolt; Flange is fixedlyed connected with rear end cap with front end housing respectively by described double-screw bolt, a pair of longitudinal vibration piezoelectric ceramic piece is enclosed within on the double-screw bolt between front end housing and the flange, the a pair of curved piezoelectric ceramic piece that shakes is enclosed within on the double-screw bolt between flange and the rear end cap, between front end housing and the longitudinal vibration piezoelectric ceramic piece, between two longitudinal vibration piezoelectric ceramic pieces, two curved shaking are fixed with electrode slice respectively between the piezoelectric ceramic piece, be fixed with insulating case between piezoelectric ceramic piece (1-3), longitudinal vibration piezoelectric ceramic piece (1-5), the electrode slice (1-7) at the double-screw bolt (1-4-1) of described flange (1-4) with bending to shake.
Use the ultrasound electric machine of vertical angle coupling heart converter cylinder stator to comprise stator, rotor assembly and pedestal; Described stator is the described stator of embodiment one to four arbitrary execution mode, the cylinder flange of described stator is fixed on the pedestal, and described rotor assembly is made up of tape spool rotor, a nothing axle rotor, linking bond, wear-resisting lining ring, rubber blanket, disk spring and locking nut; Tape spool rotor and not having on the upper end conical surface and the lower end conical surface of pectination driving gear in the cylinder that the axle rotor lays respectively at stator, described nothing axle rotor is fixed on the moment output shaft of tape spool rotor by linking bond, at the tape spool rotor with do not have the axle rotor and be fixed with wear-resisting lining ring respectively with the contacted side of pectination driving gear, employing rubber blanket, disk spring and locking nut realization tape spool rotor and do not have the pretension of a rotor below not having the axle rotor.
Piezo ceramic element in the vertical angle coupling heart converter cylinder stator of the present invention adopts sandwich structure, adopts the d of the high mechanical-electric coupling efficient of piezoelectric ceramic
33Pattern work has solved the problem of pasting low, the mechanical fan-out capability difference of piezoelectric ceramic chip piezoelectric ultrasonic motor mechanical-electric coupling efficient.The present invention adopts the flexural vibrations that realize transducer along the curved piezoelectric ceramic piece that shakes of thickness direction polarization, adopts the extensional vibration that realizes transducer along the longitudinal vibration piezoelectric ceramic piece of thickness direction polarization; Realize transducer longitudinal vibration natural frequency, curved natural frequency and the curved degeneracy that shakes between the natural frequency of cylinder of shaking of transducer by area ratio, both sides, front end housing square-section ratio, rear end cap length, barrel bore size and the outside diameter of cylinder size of adjusting two end faces of front end housing; Front end housing adopts the variable cross-section design to play the effect of amassing wealth by heavy taxation of vibrational energy, can improve the amplitude and the vibration velocity of driving gear surface particle, makes motor performance be improved; Adopt single transducer encourage the trip ripple in cylinder stator, problem when avoiding adopting a plurality of transducer, the problem includes: the inconsistent problem of vibration, the mechanical fan-out capability and the controllability of raising ultrasound electric machine; The thin-walled ring can realize that resiliency supported and vibration isolate, and drops to the influence degree that connects the flexural vibration mode of cylinder of stator module and pedestal minimum; The transducer employing encourages with the alternating voltage of self resonance frequency same frequency, curved piezoelectric ceramic piece and the longitudinal vibration piezoelectric ceramic piece of shaking encourages respectively, shown in Fig. 7 to 10, the curved piezoelectric ceramic piece that shakes is equal with longitudinal vibration piezoelectric ceramic piece employing amplitude, frequency is transducer self resonance frequency, phase difference is ac voltage signal when excitation of+90 °, utilize the extensional vibration of piezoelectric ceramic piece in sandwich converter, to motivate extensional vibration and flexural vibrations, and then be implemented in and motivate two amplitudes on the cylinder stator and equate, on time and space, all differ the bending vibration modes response of pi/2, two bending vibration modes responses are superimposed upon and form the row ripple on the stator, driving gear surface particle produces elliptical trajectory, realizes the macroscopic motion output of rotor by the coupling of the friction between driving gear and the rotor.Rotor surface in the ultrasound electric machine of the present invention is bonding wear-resisting lining ring, wear-resisting lining ring adopts the conical surface to contact with driving gear, has increased contact area, can improve output torque, increase the service life, effectively eliminates noise; If adjusting the phase difference of excitation signals is-90 °, can change capable wave line of propagation, finally realize the rotor counter motion.
But that vertical angle coupling heart converter cylinder stator of the present invention and ultrasound electric machine have is simple in structure, flexible design, mechanical-electric coupling efficient height, can realize big moment output, stable performance, be easy to control the advantage of producing in serial form.
Description of drawings
Fig. 1 is the structural representation of vertical angle coupling heart converter cylinder stator of the present invention, Fig. 2 is the central cross-sectional view of vertical angle coupling heart converter cylinder stator shown in Figure 1, Fig. 3 is two longitudinal vibration piezoelectric ceramic piece 1-5 and two polarised direction schematic diagrames of bending the piezoelectric ceramic piece 1-3 that shake among Fig. 1, Fig. 4 is the stator of Fig. 1 and the structural representation that is fixed on after rotor is connected on the pedestal 4, the structural representation of Fig. 5 ultrasound electric machine of the present invention, Fig. 6 is the A-A cutaway view of Fig. 5, and Fig. 7 to Figure 10 is that vertical angle coupling heart converter cylinder stator of the present invention adopts amplitude to equate at the longitudinal vibration piezoelectric ceramic piece and the curved piezoelectric ceramic piece that shakes of transducer, frequency is transducer self resonance frequency, phase difference is that the vibration shape of+90 ° ac voltage signal excitation situation in the next complete vibration period changes schematic diagram (that is: V
1=Acos (2 π t/T), V
2=Asin (2 π t/T), V
0=0, V
1Be the voltage excitation signals of longitudinal vibration piezoelectric ceramic piece, V
2Voltage excitation signals for the curved piezoelectric ceramic piece that shakes, A is the driving voltage signal amplitude, T is the driving voltage signal period, t is the time), this figure is stator circumferentially deploying figure, is the vibration shape variation schematic diagram of stator five rank bending vibration modes, Fig. 7 is t=nT (n=0,1,2...) Shi Ke stator vibration shape schematic diagram, Fig. 8 are t=(n+1/4) T (n=0,1,2...) constantly stator vibration shape schematic diagram, Fig. 9 is t=(n+1/2) T (n=0,1,2...) constantly stator vibration shape schematic diagram, Figure 10 is t=(n+3/4) T (n=0,1,2...) Shi Ke a stator vibration shape schematic diagram.
Embodiment
Embodiment one: present embodiment is described in conjunction with Fig. 1 to Fig. 3, the described vertical angle coupling heart converter cylinder stator of present embodiment comprises driving cylinder 1-6 and vertical angle coupling heart transducer 1-8, drive cylinder 1-6 and comprise cylinder 1-6-1, thin-walled ring 1-6-2 and cylinder flange 1-6-3, be thin-walled ring 1-6-2 between cylinder 1-6-1 and cylinder flange 1-6-3, described cylinder 1-6-1, thin-walled ring 1-6-2 and cylinder flange 1-6-3 are coaxial; Vertical angle coupling heart transducer 1-8 comprises front end housing 1-6-4, rear end cap 1-1, insulating case 1-2, the a pair of curved piezoelectric ceramic piece 1-3 that shakes, flange 1-4, a pair of longitudinal vibration piezoelectric ceramic piece 1-5 and three electrode slice 1-7, described front end housing 1-6-4 is that the cross section is rectangle and tapered four prisms cylinder, the thickness of described front end housing 1-6-4 equates with the height of cylinder 1-6-1, front end housing 1-6-4 small end face is fixedlyed connected with cylinder 1-6-1 outer surface, there is a tapped blind hole at the center of the large end face of described front end housing 1-6-4, the center of rear end cap 1-1 is the through hole that has internal thread, and the two ends at described flange 1-4 center have double-screw bolt 1-4-1; Flange 1-4 is fixedlyed connected with rear end cap 1-1 with front end housing 1-6-4 respectively by described double-screw bolt 1-4-1, a pair of longitudinal vibration piezoelectric ceramic piece 1-5 is enclosed within on the double-screw bolt 1-4-1 between front end housing 1-6-4 and the flange 1-4, the a pair of curved piezoelectric ceramic piece 1-3 that shakes is enclosed within on the double-screw bolt 1-4-1 between flange 1-4 and the rear end cap 1-1, between front end housing 1-6-4 and longitudinal vibration piezoelectric ceramic piece 1-5, between two longitudinal vibration piezoelectric ceramic piece 1-5, two curved shaking are fixed with electrode slice 1-7 respectively between the piezoelectric ceramic piece 1-3, at the described curved piezoelectric ceramic piece 1-3 that shakes, longitudinal vibration piezoelectric ceramic piece 1-5, be fixed with insulating case 1-2 between the double-screw bolt 1-4-1 of electrode slice 1-7 and flange 1-4.
The polarised direction of two longitudinal vibration piezoelectric ceramic pieces among the described a pair of longitudinal vibration piezoelectric ceramic piece 1-5 is opposite.
The polarised direction of two curved piezoelectric ceramic pieces that shake among the described a pair of curved piezoelectric ceramic piece 1-3 that shakes is opposite, the every curved piezoelectric ceramic piece symmetry of shaking is cut into left half sheet 1-3-1 and right half sheet 1-3-2, and a left side half sheet 1-3-1 that polarised direction is opposite and right half sheet 1-3-2 reconfigure and form two complete piezoelectric ceramic pieces together.
Present embodiment between cylinder 1-6-1 and cylinder flange 1-6-3, be thin-walled ring 1-6-2, described thin-walled ring 1-6-2 can realize the effect that resiliency supported and vibration are isolated, and can drop to the influence degree that connects the flexural vibration mode of cylinder 1-6-1 of stator module and pedestal minimum.
1-4 of flange described in the present embodiment and double-screw bolt 1-4-1 can be the structures of one.
The vertical angle coupling heart converter cylinder stator of present embodiment when using, the electrode slice 1-7 between front end housing 1-6-4 and longitudinal vibration piezoelectric ceramic piece 1-5 and the common port V of driving power
0Connect, between two longitudinal vibration piezoelectric ceramic piece 1-5, two curved shake between the piezoelectric ceramic piece 1-3 two electrode slice 1-7 respectively with two drive signal V of driving power
1, V
2Connect.
Embodiment two: the difference of present embodiment and embodiment one described vertical angle coupling heart converter cylinder stator is, the inboard parallel pectination driving gear 1-6-7 of some and described cylinder 1-6-1 central axis that evenly distributes of described cylinder 1-6-1, the symmetry up and down of described pectination driving gear 1-6-7 has upper end conical surface 1-6-6 and lower end conical surface 1-6-5.
Increase pectination driving gear 1-6-7 in the cylinder 1-6-1 of present embodiment, can amplify stator surface particle vibration trajectory amplitudes.
The symmetry up and down of the described pectination driving gear of present embodiment 1-6-7 has upper end conical surface 1-6-6 and lower end conical surface 1-6-5, can increase the contact area between stator and the rotor, improves output torque.
Embodiment three: the difference of present embodiment and embodiment one or two described vertical angle coupling heart converter cylinder stators is that described front end housing 1-6-4 adopts a block of metal materials processing to become cylinder/front end housing integral piece with driving cylinder 1-6.
The front end housing 1-6-4 of present embodiment and driving cylinder 1-6 are structure as a whole, played the purpose that reduces energy loss, help improving the controllability of pectination driving gear 1-6-7 surface particle vibration track, make the operation of the described vertical angle coupling heart converter cylinder stator of present embodiment more stable, reliable.
Embodiment four: the difference of present embodiment and embodiment one or two or three described vertical angle coupling heart converter cylinder stators is that the cross section of described rear end cap 1-1, longitudinal vibration piezoelectric ceramic piece 1-5, curved shake piezoelectric ceramic piece 1-3 and flange 1-4 is rectangle or circle.
Embodiment five: in conjunction with Fig. 4 to 6 explanation present embodiment.The ultrasound electric machine of the vertical angle coupling heart converter cylinder stator of the use of present embodiment comprises stator, rotor assembly and pedestal 4; The cylinder flange 1-6-3 of described stator is fixed on the pedestal 4, and described rotor assembly is made up of tape spool rotor 2-1, nothing axle rotor 2-2, a linking bond 2-3, wear-resisting lining ring 2-4, rubber blanket 2-5, disk spring 2-6 and locking nut 2-7; Wherein a tape spool rotor 2-1 and a nothing axle rotor 2-2 are truncated cone-shaped, the thin end of described tape spool rotor 2-1 and nothing axle rotor 2-2 embeds the top and bottom of the cylinder 1-6-1 of stator respectively, described nothing axle rotor 2-2 is fixed on the moment output shaft 2-1-2 of tape spool rotor 2-1 by linking bond 2-3, at tape spool rotor 2-1 with do not have axle rotor 2-2 and be fixed with wear-resisting lining ring 2-4 respectively with the contacted side of pectination driving gear 1-6-7, employing rubber blanket 2-5, disk spring 2-6 and locking nut 2-7 realization tape spool rotor 2-1 and do not have the pretension of rotor 2-2 below not having axle rotor 2-2.
Wear-resisting lining ring 2-4 described in the present embodiment adopts Polymer Friction Materials to make, and increases the useful life of frictional force and motor.
Wear-resisting lining ring 2-4 described in the present embodiment and tape spool rotor 2-1, nothing axle rotor 2-2 are fixing by the mode of pasting.
When described stator adopts embodiment two described structures, described tape spool rotor 2-1, nothing axle rotor 2-2 are identical with the tapering of lower end conical surface 1-6-5, the upper end conical surface 1-6-6 of the pectination driving gear 1-6-7 of described tape spool rotor 2-1, the side of not having axle rotor 2-2 and stator, to guarantee that rotor is that face contacts with pectination driving gear 1-6-7.This structure realizes the location of rotor assembly by cone match, and has increased contact area, can improve output torque, increase the service life, and can also effectively eliminate noise.
Embodiment six: the difference of the ultrasound electric machine of the vertical angle coupling heart converter cylinder stator of present embodiment and embodiment five described uses is, be evenly distributed with some through hole 2-1-1 on described tape spool rotor 2-1 and the nothing axle rotor 2-2, described through hole 2-1-1 is parallel with the moment output shaft 2-1-2 of tape spool rotor 2-1.
The through hole 2-1-1 that present embodiment increases can alleviate the quality of rotor, reduces the moment of inertia of rotor, improves the motor dynamic characteristic.
Stator in the present embodiment and rotor assembly are realized the location by the bearing 7 that is loaded on the pedestal 4, reduce the influence of radial load to the motor output characteristic; The cylinder flange 1-6-3 of described stator by screw on pedestal 4; Described bearing 7 is realized pretension by packing ring 8, screw and end cap 10; Be processed with unthreaded hole 4-1 and screwed hole 4-2 on the described pedestal 4, outer cover 3 on pedestal 4, has been realized encapsulation and protection to motor by screw, and the unthreaded hole 4-2 on the pedestal 4 is used for realizing the installation of motor in mechanical system.
Claims (9)
1. vertical angle coupling heart converter cylinder stator, comprise and drive cylinder (1-6) and vertical angle coupling heart transducer (1-8), it is characterized in that driving cylinder (1-6) and comprise cylinder (1-6-1), thin-walled ring (1-6-2) and cylinder flange (1-6-3), be thin-walled ring (1-6-2) between cylinder (1-6-1) and cylinder flange (1-6-3), described cylinder (1-6-1), thin-walled ring (1-6-2) and cylinder flange (1-6-3) are coaxial; Vertical angle coupling heart transducer (1-8) comprises front end housing (1-6-4), rear end cap (1-1), insulating case (1-2), the a pair of curved piezoelectric ceramic piece (1-3) that shakes, flange (1-4), a pair of longitudinal vibration piezoelectric ceramic piece (1-5) and three electrode slices (1-7), described front end housing (1-6-4) is that the cross section vertical with vertical angle coupling heart transducer length direction symmetry axis is rectangle and tapered four prisms cylinder, the thickness of described front end housing (1-6-4) equates with the height of cylinder (1-6-1), front end housing (1-6-4) small end face is fixedlyed connected with cylinder (1-6-1) outer surface, there is a tapped blind hole at the center of the large end face of described front end housing (1-6-4), the center of rear end cap (1-1) is the through hole that has internal thread, and the two ends at described flange (1-4) center have double-screw bolt (1-4-1); Flange (1-4) is fixedlyed connected with rear end cap (1-1) with front end housing (1-6-4) respectively by described double-screw bolt (1-4-1), a pair of longitudinal vibration piezoelectric ceramic piece (1-5) is enclosed within on the double-screw bolt (1-4-1) between front end housing (1-6-4) and the flange (1-4), the a pair of curved piezoelectric ceramic piece (1-3) that shakes is enclosed within on the double-screw bolt (1-4-1) between flange (1-4) and the rear end cap (1-1), between a front end housing (1-6-4) and a longitudinal vibration piezoelectric ceramic piece (1-5), between two longitudinal vibration piezoelectric ceramic pieces (1-5), two curved shaking are fixed with electrode slice (1-7) respectively between the piezoelectric ceramic piece (1-3), at double-screw bolt (1-4-1) and the curved piezoelectric ceramic piece (1-3) that shakes of described flange (1-4), longitudinal vibration piezoelectric ceramic piece (1-5), be fixed with insulating case (1-2) between the electrode slice (1-7).
2. vertical angle coupling heart converter cylinder stator according to claim 1, the polarised direction that it is characterized in that two longitudinal vibration piezoelectric ceramic pieces in the described a pair of longitudinal vibration piezoelectric ceramic piece (1-5) is opposite, the polarised direction of two curved piezoelectric ceramic pieces that shake in the described a pair of curved piezoelectric ceramic piece (1-3) that shakes is opposite, the every curved piezoelectric ceramic piece symmetry of shaking is cut into left half sheet (1-3-1) and right half sheet (1-3-2), and a left side half sheet (1-3-1) that polarised direction is opposite and right half sheet (1-3-2) reconfigure and form two complete piezoelectric ceramic pieces together.
3. vertical angle coupling heart converter cylinder stator according to claim 1, it is characterized in that the inboard parallel pectination driving gear (1-6-7) of some and described cylinder (1-6-1) central axis that evenly distributes of described cylinder (1-6-1), the symmetry up and down of described pectination driving gear (1-6-7) has the upper end conical surface (1-6-6) and the lower end conical surface (1-6-5).
4. vertical angle coupling heart converter cylinder stator according to claim 1 is characterized in that described front end housing (1-6-4) and driving cylinder (1-6) adopt a block of metal materials processing to become cylinder/front end housing integral piece.
5. vertical angle coupling heart converter cylinder stator according to claim 1 is characterized in that the cross section vertical with vertical angle coupling heart transducer length direction symmetry axis of described rear end cap (1-1), longitudinal vibration piezoelectric ceramic piece (1-5), curved shake piezoelectric ceramic piece (1-3) and flange (1-4) is rectangle or circle.
6. vertical angle coupling heart converter cylinder stator according to claim 1 is characterized in that described flange (1-4) and double-screw bolt (1-4-1) are the structures of one.
7. use the ultrasound electric machine of vertical angle coupling heart converter cylinder stator, it comprises stator, rotor assembly and pedestal (4),
Described stator comprises driving cylinder (1-6) and vertical angle coupling heart transducer (1-8), it is characterized in that driving cylinder (1-6) and comprise cylinder (1-6-1), thin-walled ring (1-6-2) and cylinder flange (1-6-3), be thin-walled ring (1-6-2) between cylinder (1-6-1) and cylinder flange (1-6-3), described cylinder (1-6-1), thin-walled ring (1-6-2) and cylinder flange (1-6-3) are coaxial; Vertical angle coupling heart transducer (1-8) comprises front end housing (1-6-4), rear end cap (1-1), insulating case (1-2), the a pair of curved piezoelectric ceramic piece (1-3) that shakes, flange (1-4), a pair of longitudinal vibration piezoelectric ceramic piece (1-5) and three electrode slices (1-7), described front end housing (1-6-4) is that the cross section vertical with vertical angle coupling heart transducer length direction symmetry axis is rectangle and tapered four prisms cylinder, the thickness of described front end housing (1-6-4) equates with the height of cylinder (1-6-1), front end housing (1-6-4) small end face is fixedlyed connected with cylinder (1-6-1) outer surface, there is a tapped blind hole at the center of the large end face of described front end housing (1-6-4), the center of rear end cap (1-1) is the through hole that has internal thread, and the two ends at described flange (1-4) center have double-screw bolt (1-4-1); Flange (1-4) is fixedlyed connected with rear end cap (1-1) with front end housing (1-6-4) respectively by described double-screw bolt (1-4-1), a pair of longitudinal vibration piezoelectric ceramic piece (1-5) is enclosed within on the double-screw bolt (1-4-1) between front end housing (1-6-4) and the flange (1-4), the a pair of curved piezoelectric ceramic piece (1-3) that shakes is enclosed within on the double-screw bolt (1-4-1) between flange (1-4) and the rear end cap (1-1), between a front end housing (1-6-4) and a longitudinal vibration piezoelectric ceramic piece (1-5), between two longitudinal vibration piezoelectric ceramic pieces (1-5), two curved shaking are fixed with electrode slice (1-7) respectively between the piezoelectric ceramic piece (1-3), double-screw bolt (1-4-1) and the curved piezoelectric ceramic piece (1-3) that shakes at described flange (1-4), longitudinal vibration piezoelectric ceramic piece (1-5), be fixed with insulating case (1-2) between the electrode slice (1-7)
The cylinder flange (1-6-3) of described stator is fixed on the pedestal (4), and described rotor assembly is made up of tape spool rotor (2-1), a nothing axle rotor (2-2), linking bond (2-3), wear-resisting lining ring (2-4), rubber blanket (2-5), disk spring (2-6) and locking nut (2-7); Wherein a tape spool rotor (2-1) and a nothing axle rotor (2-2) are truncated cone-shaped, the thin end of described tape spool rotor (2-1) and nothing axle rotor (2-2) embeds the top and bottom of the cylinder (1-6-1) of stator respectively, described nothing axle rotor (2-2) is fixed on the moment output shaft (2-1-2) of tape spool rotor (2-1) by linking bond (2-3), be fixed with wear-resisting lining ring (2-4) at a tape spool rotor (2-1) and a nothing axle rotor (2-2) respectively with the contacted side of pectination driving gear (1-6-7), employing rubber blanket (2-5) below not having axle rotor (2-2), disk spring (2-6) and locking nut (2-7) are realized tape spool rotor (2-1) and are not had the pretension of axle rotor (2-2)
The side of described tape spool rotor (2-1), nothing axle rotor (2-2) is identical with the tapering of the lower end conical surface (1-6-5) of the pectination driving gear (1-6-7) of stator, the upper end conical surface (1-6-6),
The inboard parallel pectination driving gear (1-6-7) of some and described cylinder (1-6-1) central axis that evenly distributes of described cylinder (1-6-1), the symmetry up and down of described pectination driving gear (1-6-7) has the upper end conical surface (1-6-6) and the lower end conical surface (1-6-5).
8. the ultrasound electric machine of the vertical angle coupling heart converter cylinder stator of use according to claim 7 is characterized in that described wear-resisting lining ring (2-4) adopts Polymer Friction Materials to make.
9. the ultrasound electric machine of the vertical angle coupling heart converter cylinder stator of use according to claim 7, it is characterized in that, be evenly distributed with some through holes (2-1-1) on described tape spool rotor (2-1) and the nothing axle rotor (2-2), described through hole (2-1-1) is parallel with the moment output shaft (2-1-2) of tape spool rotor (2-1).
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327302A (en) * | 2001-07-27 | 2001-12-19 | 南京航空航天大学 | Thin travelling wave supersonic motor |
| CN101090244A (en) * | 2007-04-30 | 2007-12-19 | 哈尔滨工业大学 | Plane multi-freedom altrasonic electric machine of single vibrator longtitude bend sandwich changer type |
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2008
- 2008-04-29 CN CN2008100644130A patent/CN101262186B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1327302A (en) * | 2001-07-27 | 2001-12-19 | 南京航空航天大学 | Thin travelling wave supersonic motor |
| CN101090244A (en) * | 2007-04-30 | 2007-12-19 | 哈尔滨工业大学 | Plane multi-freedom altrasonic electric machine of single vibrator longtitude bend sandwich changer type |
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| CN101262186A (en) | 2008-09-10 |
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