CN102208881B - Ultrasonic disk motor with clutch and displacement amplification mechanism and working method thereof - Google Patents
Ultrasonic disk motor with clutch and displacement amplification mechanism and working method thereof Download PDFInfo
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- CN102208881B CN102208881B CN 201110153993 CN201110153993A CN102208881B CN 102208881 B CN102208881 B CN 102208881B CN 201110153993 CN201110153993 CN 201110153993 CN 201110153993 A CN201110153993 A CN 201110153993A CN 102208881 B CN102208881 B CN 102208881B
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Abstract
The invention discloses an ultrasonic disk motor with a clutch and displacement amplification mechanism. The ultrasonic disk motor comprises a stator with a disk structure and a disk rotor, wherein the disk rotor is sleeved on the outer wall of the stator, and forms sliding fit with the stator. The ultrasonic disk motor is characterized in that: clutching piezoelectric strip grooves extended to the inner wall of the rotor are formed on the end face of one end of the stator; the sidewalls of the clutching piezoelectric strip grooves are communicated with rotating force arm grooves and spring grooves which are opposite to each other respectively; one side, away from the clutching piezoelectric strip groove, of each rotating force arm groove is communicated with a driving piezoelectric stripgroove; a clutching piezoelectric strip is arranged in the clutching piezoelectric strip groove; a rotating force arm is arranged in the rotating force arm groove; a spring is arranged in the spring groove; and a driving piezoelectric strip is arranged in the driving piezoelectric strip groove. The invention also discloses the ultrasonic disk motor with the clutch and displacement amplification mechanism and a working method thereof. The ultrasonic disk motor has strong thrust, high efficiency, low loss and long service life, and can be run at ultralow speed.
Description
Technical field
The present invention relates to a kind of location of various occasions such as plant equipment, accurate measurement, metering, business automation equipment, industrial electrical equipment, household electrical appliance, robot, automobile, aerospace equipment and disc type supersonic motor and method of work thereof with clutch and displacement amplifying mechanism of driving of being applicable to.
Background technology
Supersonic motor is to utilize the piezoelectric crystal to issue living deformation in External Electrical Field, produces the motor of motion as actuating force.This supersonic motor has following characteristics:
1, it does not need as traditional induction machine, is to be subjected to electrodynamic principle according to current in magnetic field, and electric energy is converted to straight-line mechanical energy.
2, the coil and the iron core that do not have stator and rotor portion, simple in structure, volume is little, in light weight, easily manufactured.
3, not affected by magnetic fields, do not generate electromagnetic waves.
4, moment is big, response is fast, but the Ultra-Low Speed operation, and speed is easy to control.
5, step pitch is little, precision is high.
Supersonic motor is applicable to location and the driving of various occasions such as accurate measurement, metering, business automation equipment, industrial electrical equipment, household electrical appliance, robot, automobile, aerospace equipment.
Operating principle of ultrasonic motor is to utilize the inverse piezoelectric effect of piezoelectric.If piezoelectric crystal is placed external electric field, because electric field action can cause crystals positive and negative charge displacement of center of gravity, this polarization displacement causes crystal generation deformation again.If the polarity of extra electric field is consistent with the polarised direction of piezoelectrics, then the length of piezoelectrics and electric field vertical direction increases; Otherwise, when the polarity of extra electric field opposite with the polarised direction of piezoelectrics, the contraction in length of piezoelectrics and electric field vertical direction then.After removing electric field, piezoelectrics return to normal.Repeatedly apply electric field and remove electric field to piezoelectrics, piezoelectrics will repeatedly produce displacement.This displacement is exactly the power of supersonic motor work.
But existing supersonic motor is because structure and power transfer mode, has that thrust is little, efficient is low, loss is big, the life-span is short, be difficult to accomplish defectives such as low speed and Ultra-Low Speed operation, needs improvement.
Summary of the invention
The objective of the invention is to overcome the shortcoming and defect of above-mentioned prior art, provide that a kind of thrust is big, efficient is high, loss is little, can the Ultra-Low Speed operation, the disc type supersonic motor with clutch and displacement amplifying mechanism of long service life.
Another object of the present invention provides a kind of based on above-mentioned method of work with disc type supersonic motor of clutch and displacement amplifying mechanism.
Purpose of the present invention is achieved through the following technical solutions: mainly by the stator that is disc-shaped structure and be sleeved on the stator outer wall and form the disk type rotor that is slidingly matched and constitute, it is characterized in that, one end end face of described stator is provided with the clutch piezoelectricity bar groove that extends to rotor inner wall, the sidewall of described clutch piezoelectricity bar groove is communicated with position relative rotary arm groove and spring groove respectively, and described rotary arm groove is communicated with driving piezoelectricity bar groove away from a side of clutch piezoelectricity bar groove; Be provided with clutch piezoelectricity bar in the described clutch piezoelectricity bar groove, be provided with rotary arm in the rotary arm groove, be provided with spring in the spring groove, drive and be provided with driving piezoelectricity bar in the piezoelectricity bar groove; Described clutch piezoelectricity bar comprises clockwise clutch piezoelectricity bar and piezoelectricity bar radially counterclockwise, rotary arm comprises and turns clockwise the arm of force and be rotated counterclockwise the arm of force, spring one comprises clockwise spring and counterclockwise spring, drives the piezoelectricity bar and comprises clockwise driving piezoelectricity bar and drive the piezoelectricity bar counterclockwise; Described clutch piezoelectricity bar groove, be communicated with clutch piezoelectricity bar groove and be positioned at the rotary arm groove that it is rotated counterclockwise direction one side, be communicated with and be positioned at the spring groove of its dextrorotation veer one side with clutch piezoelectricity bar groove, the driving piezoelectricity bar groove that is communicated with away from clutch piezoelectricity bar groove one side with the rotary arm groove, be arranged on the clockwise clutch piezoelectricity bar in the clutch piezoelectricity bar groove, be arranged on the arm of force that turns clockwise in the rotary arm groove, be arranged on the clockwise spring in the spring groove, be arranged on the clockwise driving piezoelectricity bar that drives in the piezoelectricity bar groove and constitute the driver element that turns clockwise; Described clutch piezoelectricity bar groove, be communicated with and be positioned at the rotary arm groove of its dextrorotation veer one side with clutch piezoelectricity bar groove, be communicated with clutch piezoelectricity bar groove and be positioned at the spring groove that it is rotated counterclockwise direction one side, the driving piezoelectricity bar groove that is communicated with away from clutch piezoelectricity bar groove one side with the rotary arm groove, be arranged on the piezoelectricity bar radially counterclockwise in the clutch piezoelectricity bar groove, be arranged on the arm of force that is rotated counterclockwise in the rotary arm groove, be arranged on the counterclockwise spring one in the spring groove, be arranged on the counterclockwise driving piezoelectricity bar formation that drives in the piezoelectricity bar groove and be rotated counterclockwise driver element; The described driver element and be rotated counterclockwise driver element and all be at least of turning clockwise; Be provided with the rotary arm rotating shaft in the described rotary arm groove, rotary arm is set in the rotary arm rotating shaft and can rotates around it; Also be provided with suction iron in the described clutch piezoelectricity bar groove, and this suction iron is arranged on clutch piezoelectricity bar away from an end of rotor inner wall.
When motor only needs folk prescription to the function of operation, only set up and turn clockwise driver element or be rotated counterclockwise driver element, then turn clockwise when the function of the forward and reverse operation of needs driver element and be rotated counterclockwise driver element and all will arrange, driver element and be rotated counterclockwise driver element and all be at least namely turns clockwise.
As a kind of optimal way of the present invention, driver element and be rotated counterclockwise driver element and all be turns clockwise; The driver element that turns clockwise among the present invention is not limited thereto with the number that is rotated counterclockwise driver element, also can select separately according to actual needs.
Existing piezoelectric or element for the manufacture of the piezoelectricity bar, some thousandths of or a few percent that the displacement (stretching) in each power on/off cycle can only be accomplished device size, as the displacement (stretching) that will increase each power on/off cycle, must increase length or the use amount of piezoelectricity bar, improve the manufacturing cost of motor.In order to overcome above-mentioned shortcoming, improve the displacement stroke of each action cycle, reduce manufacturing cost, the present invention has advocated displacement amplifying mechanism, method is: adopt rotary arm and rotary arm rotating shaft to constitute displacement amplifying mechanism, the arm of force of an end of the close driving of rotary arm piezoelectricity bar is less than the length of the other end arm of force, and the displacement that drives the piezoelectricity bar just is exaggerated, adjust the length at rotary arm two ends, can adjust the ratio that displacement is amplified; With above-mentioned principle, the arm of force of an end of the close driving of rotary arm piezoelectricity bar is greater than the length of the other end arm of force, and the displacement that drives the piezoelectricity bar is just dwindled, and actuating force just is exaggerated.
The outer wall of described stator is provided with the stator end cap.
Described clutch piezoelectricity bar, driving piezoelectricity bar all link to each other with external power source by power line, and described external power source is power supply and the control power supply of motor; Supply unit and control device are controlled each clutch piezoelectricity bar of motor, the time, vector, frequency and the logical order that drive the energising of piezoelectricity bar respectively according in advance setting, thus speed, thrust, displacement, the traffic direction of control motor; Above-mentioned parameter can set in advance and can revise at any time according to instructions for use.
Be provided with the rotary arm rotating shaft in the described rotary arm groove, rotary arm is set in the rotary arm rotating shaft and can rotates around it.
Also be provided with suction iron in the described clutch piezoelectricity bar groove, and this suction iron is arranged on clutch piezoelectricity bar away from an end of rotor inner wall, the clutch piezoelectricity bar groove walls adjacent with inhaling the iron plane is provided with magnetic conductor, permanent electric magnetic iron is inhaled mutually with magnetic conductor, makes the position of clutch piezoelectricity bar all the time near away from an end of rotor inner wall.
One side of clutch piezoelectricity bar groove is communicated with spring groove, and spring is set in the spring groove, and behind the electric field of removal clutch piezoelectricity bar, under the effect of spring, clutch piezoelectricity bar, rotary arm are returned to initial condition.
Above-mentioned clutch piezoelectricity bar and driving piezoelectricity bar are the piezoelectricity part that piezoelectric processes, past elongated lengthwise when having the high-frequency electric field of applying, lose the characteristic that returns to nature behind the electric field, because piezoelectric belongs to existing mature technology, do not repeat them here.
The material of said stator and parts and components of rotor can be that metal material also can be nonmetallic materials.
Based on above-mentioned method of work with disc type supersonic motor of clutch and displacement amplifying mechanism, it is characterized in that, comprise turning clockwise the course of work and being rotated counterclockwise the course of work, wherein:
The course of work turns clockwise: under the motor initial condition, give the clockwise clutch piezoelectricity bar energising in the driver element that turns clockwise, make its elongation, approach and the extruding rotor inner wall, make to form static friction between clockwise clutch piezoelectricity bar and the rotor inner wall and cooperate; Give the clockwise driving piezoelectricity bar energising in the driver element that turns clockwise, make its elongation, promotion turns clockwise the arm of force that turns clockwise in the driver element around rotary arm rotating shaft rotation, and then promotes clockwise clutch piezoelectricity bar and drive rotor and be rotated in a clockwise direction; Disconnect the power supply of clockwise clutch piezoelectricity bar, clutch piezoelectricity bar shrinks clockwise, clutch piezoelectricity bar separates with rotor inner wall clockwise, disconnect the power supply that drives the piezoelectricity bar clockwise, driving the piezoelectricity bar clockwise shrinks, under the effect of clockwise spring, drive the piezoelectricity bar clockwise and arrive initial condition with the counterclockwise motional feedback of the arm of force that turns clockwise;
Be rotated counterclockwise the course of work: under the motor initial condition, give the radially piezoelectricity bar energising counterclockwise be rotated counterclockwise in the driver element, make its elongation, approach and the extruding rotor inner wall, make counterclockwise radially to form static friction between the piezoelectricity bar and rotor inner wall and cooperate; Give the counterclockwise driving piezoelectricity bar energising that is rotated counterclockwise in the driver element, make its elongation, promotion turns clockwise and is rotated counterclockwise the arm of force around rotary arm rotating shaft rotation in the driver element, and then promotes counterclockwise radially the piezoelectricity bar and drive rotor and rotate in the counterclockwise direction; Disconnect the counterclockwise radially power supply of piezoelectricity bar, radially the piezoelectricity bar shrinks counterclockwise, radially the piezoelectricity bar separates with rotor inner wall counterclockwise, disconnect the power supply that drives the piezoelectricity bar counterclockwise, driving the piezoelectricity bar counterclockwise shrinks, under the effect of clockwise spring, drive the piezoelectricity bar counterclockwise and be rotated counterclockwise the clockwise motional feedback of the arm of force to initial condition;
Repeat the above-mentioned course of work that turns clockwise, rotor namely carries out right handed continuous motion with respect to stator; Repeat the above-mentioned course of work that is rotated counterclockwise, rotor namely carries out the continuous motion of rotation counterclockwise with respect to stator.
Above-mentioned machine operation method is at having only turn clockwise driver element and a situation that is rotated counterclockwise driver element, in real work, usually design a plurality of driver elements and be rotated counterclockwise driver element of turning clockwise as required, its drive principle is all set up based on the above method, does not repeat them here.
In sum, the invention has the beneficial effects as follows:
(1) the present invention has bigger thrust with respect to existing supersonic motor under equal input power;
(2) the present invention can have the higher or lower speed of service with respect to existing supersonic motor;
(3) the present invention has higher operating efficiency with respect to existing supersonic motor;
(4) the present invention is with respect to existing supersonic motor, and working loss is little, longer service life;
(5) the present invention has improved the displacement stroke of each action cycle by displacement amplifying mechanism is set, thereby satisfies the job requirement of motor, remedies to adopt the existing little defective of piezoelectric displacement, has reduced the manufacturing cost of motor.
Description of drawings
Fig. 1 is internal structure schematic diagram of the present invention;
Fig. 2 is overall structure schematic diagram of the present invention.
Mark and corresponding parts title in the accompanying drawing: 1-stator; 2-rotor; 3-1-clockwise clutch piezoelectricity bar; 3-2-counterclockwise is the piezoelectricity bar radially; 4-1-arm of force turns clockwise; 4-2-the be rotated counterclockwise arm of force; 5-1-clockwise spring; 5-2-counterclockwise spring; 6-1-drive clockwise piezoelectricity bar; 6-2-drive counterclockwise piezoelectricity bar; 7-stator end cap; 8-power line; The rotating shaft of 9-rotary arm; 10-suction iron.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited only to this.
Embodiment 1:
As illustrated in fig. 1 and 2, the present invention is mainly by the stator 1 that is disc-shaped structure and be sleeved on stator 1 outer wall and form the disk type rotor 2 that is slidingly matched and constitute, the outer wall of described stator 1 is provided with stator end cap 7, is used for rotor 2 is carried out spacing, makes it can not axial motion; One end end face of described stator 1 is provided with the clutch piezoelectricity bar groove that extends to rotor 2 inwalls, the sidewall of described clutch piezoelectricity bar groove is communicated with position relative rotary arm groove and spring groove respectively, be that rotary arm groove and spring groove preferentially are separated by 180 ° at the sidewall circumference of clutch piezoelectricity bar groove, thereby can better play reset response, the relative position of rotary arm groove and spring groove is not limited thereto among the present invention, as long as reset response can be realized substantially relatively in the position on the sidewall of clutch piezoelectricity bar groove; Described rotary arm groove is communicated with driving piezoelectricity bar groove away from a side of clutch piezoelectricity bar groove; Be provided with clutch piezoelectricity bar in the described clutch piezoelectricity bar groove, be provided with rotary arm in the rotary arm groove, be provided with spring in the spring groove, drive and be provided with driving piezoelectricity bar in the piezoelectricity bar groove.
Described clutch piezoelectricity bar groove, be communicated with clutch piezoelectricity bar groove and be positioned at the rotary arm groove that it is rotated counterclockwise direction one side, be communicated with and be positioned at the spring groove of its dextrorotation veer one side with clutch piezoelectricity bar groove, the driving piezoelectricity bar groove that is communicated with away from clutch piezoelectricity bar groove one side with the rotary arm groove, be arranged on the clockwise clutch piezoelectricity bar 3-1 in the clutch piezoelectricity bar groove, be arranged on the arm of force 4-1 that turns clockwise in the rotary arm groove, be arranged on the clockwise spring 5-1 in the spring groove, be arranged on the clockwise driving piezoelectricity bar 6-1 that drives in the piezoelectricity bar groove and constitute the driver element that turns clockwise; Described clutch piezoelectricity bar groove, be communicated with and be positioned at the rotary arm groove of its dextrorotation veer one side with clutch piezoelectricity bar groove, be communicated with clutch piezoelectricity bar groove and be positioned at the spring groove that it is rotated counterclockwise direction one side, the driving piezoelectricity bar groove that is communicated with away from clutch piezoelectricity bar groove one side with the rotary arm groove, be arranged on the piezoelectricity bar 3-2 radially counterclockwise in the clutch piezoelectricity bar groove, be arranged on and be rotated counterclockwise arm of force 4-2 in the rotary arm groove, be arranged on the counterclockwise spring 5-2 in the spring groove, be arranged on the counterclockwise driving piezoelectricity bar 6-2 formation that drives in the piezoelectricity bar groove and be rotated counterclockwise driver element; The described driver element and be rotated counterclockwise driver element and all be at least of turning clockwise; When motor only needs folk prescription to the function of operation, only set up and turn clockwise driver element or be rotated counterclockwise driver element, driver element and be rotated counterclockwise driver element and all will arrange then turns clockwise when needing the function of way traffic, driver element and be rotated counterclockwise driver element and all be at least one namely turns clockwise, concrete number can design according to the actual requirements, motor shown in Fig. 1 and 2 is and turns clockwise driver element and be rotated counterclockwise the situation that driver element is, right half part is the driver element that turns clockwise among Fig. 1, and left-half is for being rotated counterclockwise driver element.
Be provided with rotary arm rotating shaft 9 in the described rotary arm groove, rotary arm is set in the rotary arm rotating shaft 9 and can rotates around it, thereby constitutes the displacement amplifying mechanism of similar lever principle, makes that the displacement amplification effect is more obvious.
Also be provided with in the described clutch piezoelectricity bar groove and inhale iron 10, and this suction iron 10 is arranged on clutch piezoelectricity bar away from an end of rotor 2 inwalls, the clutch piezoelectricity bar groove walls adjacent with inhaling the iron plane is provided with magnetic conductor, permanent electric magnetic iron 10 is inhaled mutually with magnetic conductor, makes the position of clutch piezoelectricity bar all the time near away from an end of rotor 2 inwalls.
Now in conjunction with motor illustrated in figures 1 and 2, wherein: the driver element that turns clockwise is arranged in Fig. 1 right half part, be rotated counterclockwise driver element and be arranged in Fig. 1 left-half, elaborate operation principle of the present invention and process thereof, comprise turning clockwise the course of work and being rotated counterclockwise the course of work, wherein:
The course of work turns clockwise: under the motor initial condition, give the clockwise clutch piezoelectricity bar 3-1 energising in the driver element that turns clockwise, make its elongation, approach and extruding rotor 2 inwalls, make that the formation static friction cooperates between clockwise clutch piezoelectricity bar 3-1 and rotor 2 inwalls; Give the clockwise driving piezoelectricity bar 6-1 energising in the driver element that turns clockwise, make its elongation, promotion turns clockwise the arm of force 4-1 that turns clockwise in the driver element around rotary arm rotating shaft 9 rotations, and then promotes clockwise clutch piezoelectricity bar 3-1 and drive rotor 2 and be rotated in a clockwise direction; Disconnect the power supply of clockwise clutch piezoelectricity bar 3-1, clutch piezoelectricity bar 3-1 shrinks clockwise, clutch piezoelectricity bar 3-1 separates with rotor 2 inwalls clockwise, disconnect the power supply that drives piezoelectricity bar 6-1 clockwise, driving piezoelectricity bar 6-1 clockwise shrinks, under the effect of clockwise spring 5-1, drive piezoelectricity bar 6-1 clockwise and arrive initial condition with the counterclockwise motional feedback of arm of force 4-1 that turns clockwise;
Be rotated counterclockwise the course of work: under the motor initial condition, give the radially piezoelectricity bar 3-2 energising counterclockwise that is rotated counterclockwise in the driver element, make its elongation, approach and extruding rotor 2 inwalls, make counterclockwise radially that the formation static friction cooperates between the piezoelectricity bar 3-2 and rotor 2 inwalls; Give the counterclockwise driving piezoelectricity bar 6-2 energising that is rotated counterclockwise in the driver element, make its elongation, promotion turns clockwise and is rotated counterclockwise arm of force 4-2 around rotary arm rotating shaft 9 rotations in the driver element, and then promotes counterclockwise radially piezoelectricity bar 3-2 and drive rotor 2 and rotate in the counterclockwise direction; Disconnect the counterclockwise radially power supply of piezoelectricity bar 3-2, radially piezoelectricity bar 3-2 shrinks counterclockwise, radially piezoelectricity bar 3-2 separates with rotor 2 inwalls counterclockwise, disconnect the power supply that drives piezoelectricity bar 6-2 counterclockwise, driving piezoelectricity bar 6-2 counterclockwise shrinks, under the effect of clockwise spring 5-1, drive piezoelectricity bar 6-2 counterclockwise and be rotated counterclockwise the clockwise motional feedback of arm of force 4-2 to initial condition;
Repeat above-mentioned clockwise driving process, rotor 2 namely carries out right handed continuous motion with respect to stator 1; Repeat above-mentioned counterclockwise driving process, rotor 2 namely carries out the continuous motion of rotation counterclockwise with respect to stator 1.
Above-mentioned machine operation method is at having only turn clockwise driver element and a situation that is rotated counterclockwise driver element, in real work, in order to make the distance that turns clockwise and be rotated counterclockwise or the torque of rotor 2 bigger, usually design a plurality of driver elements and be rotated counterclockwise driver element of turning clockwise as required, make its continuous turning clockwise and being rotated counterclockwise, until the move distance that reaches demand or torque, its drive principle is all set up based on the above method, does not repeat them here.
Described clutch piezoelectricity bar, driving piezoelectricity bar all link to each other with external power source by power line 8, and supply unit and control device are given clutch piezoelectricity bar respectively and driven the piezoelectricity bar provides power supply; Supply unit and control device are controlled clutch piezoelectricity bar and time, vector, frequency and the logical order of the energising that drives the piezoelectricity bar respectively according to setting in advance, thus speed, thrust, displacement, the traffic direction of control motor; Above-mentioned parameter can set in advance and can revise at any time according to instructions for use.
As mentioned above, just can realize the present invention preferably.
Claims (4)
1. the disc type supersonic motor that has clutch and displacement amplifying mechanism, mainly by the stator that is disc-shaped structure (1) and be sleeved on stator (1) outer wall and form disk type rotor (2) formation that is slidingly matched, it is characterized in that, one end end face of described stator (1) is provided with the clutch piezoelectricity bar groove that extends to rotor (2) inwall, the sidewall of described clutch piezoelectricity bar groove is communicated with position relative rotary arm groove and spring groove respectively, and described rotary arm groove is communicated with driving piezoelectricity bar groove away from a side of clutch piezoelectricity bar groove; Be provided with clutch piezoelectricity bar in the described clutch piezoelectricity bar groove, be provided with rotary arm in the rotary arm groove, be provided with spring one in the spring groove, drive and be provided with driving piezoelectricity bar in the piezoelectricity bar groove; Described clutch piezoelectricity bar comprises clockwise clutch piezoelectricity bar (3-1) and piezoelectricity bar (3-2) radially counterclockwise, rotary arm comprises the arm of force that turns clockwise (4-1) and is rotated counterclockwise the arm of force (4-2), spring one comprises clockwise spring (5-1) and counterclockwise spring (5-2), drives the piezoelectricity bar and comprises clockwise driving piezoelectricity bar (6-1) and drive piezoelectricity bar (6-2) counterclockwise; Described clutch piezoelectricity bar groove, be communicated with clutch piezoelectricity bar groove and be positioned at the rotary arm groove that it is rotated counterclockwise direction one side, be communicated with and be positioned at the spring groove of its dextrorotation veer one side with clutch piezoelectricity bar groove, the driving piezoelectricity bar groove that is communicated with away from clutch piezoelectricity bar groove one side with the rotary arm groove, be arranged on the clockwise clutch piezoelectricity bar (3-1) in the clutch piezoelectricity bar groove, be arranged on the arm of force that turns clockwise (4-1) in the rotary arm groove, be arranged on the clockwise spring (5-1) in the spring groove, be arranged on the clockwise driving piezoelectricity bar (6-1) that drives in the piezoelectricity bar groove and constitute the driver element that turns clockwise; Described clutch piezoelectricity bar groove, be communicated with and be positioned at the rotary arm groove of its dextrorotation veer one side with clutch piezoelectricity bar groove, be communicated with clutch piezoelectricity bar groove and be positioned at the spring groove that it is rotated counterclockwise direction one side, the driving piezoelectricity bar groove that is communicated with away from clutch piezoelectricity bar groove one side with the rotary arm groove, be arranged on the piezoelectricity bar (3-2) radially counterclockwise in the clutch piezoelectricity bar groove, be arranged on and be rotated counterclockwise the arm of force (4-2) in the rotary arm groove, be arranged on the counterclockwise spring one (5-2) in the spring groove, be arranged on counterclockwise driving piezoelectricity bar (6-2) formation that drives in the piezoelectricity bar groove and be rotated counterclockwise driver element; The described driver element and be rotated counterclockwise driver element and all be at least of turning clockwise; Be provided with rotary arm rotating shaft (9) in the described rotary arm groove, rotary arm is set in rotary arm rotating shaft (9) and goes up and can rotate around it; Also be provided with in the described clutch piezoelectricity bar groove and inhale iron (10), and this suction iron (10) is arranged on clutch piezoelectricity bar away from an end of rotor (2) inwall.
2. the disc type supersonic motor with clutch and displacement amplifying mechanism according to claim 1 is characterized in that, the outer wall of described stator (1) is provided with stator end cap (7).
3. the disc type supersonic motor with clutch and displacement amplifying mechanism according to claim 1 is characterized in that, described clutch piezoelectricity bar, driving piezoelectricity bar all link to each other with external power source by power line (8).
4. based on described each the method for work of the disc type supersonic motor with clutch and displacement amplifying mechanism of claim 1-3, it is characterized in that, comprise turning clockwise the course of work and being rotated counterclockwise the course of work, wherein:
The course of work turns clockwise: under the motor initial condition, give the energising of the clockwise clutch piezoelectricity bar (3-1) in the driver element that turns clockwise, make its elongation, approach and extruding rotor (2) inwall, make that the formation static friction cooperates between clockwise clutch piezoelectricity bar (3-1) and rotor (2) inwall; Give the energising of the clockwise driving piezoelectricity bar (6-1) in the driver element that turns clockwise, make its elongation, promotion turns clockwise the arm of force that turns clockwise (4-1) in the driver element around rotary arm rotating shaft (9) rotation, and then promotes clockwise clutch piezoelectricity bar (3-1) and drive rotor (2) and be rotated in a clockwise direction; Disconnect the power supply of clockwise clutch piezoelectricity bar (3-1), clutch piezoelectricity bar (3-1) shrinks clockwise, clutch piezoelectricity bar (3-1) separates with rotor (2) inwall clockwise, disconnect the power supply that drives piezoelectricity bar (6-1) clockwise, driving piezoelectricity bar (6-1) clockwise shrinks, under the effect of clockwise spring (5-1), drive the counterclockwise motional feedback of piezoelectricity bar (6-1) and the arm of force that turns clockwise (4-1) clockwise to initial condition;
Be rotated counterclockwise the course of work: under the motor initial condition, give radially piezoelectricity bar (3-2) energising counterclockwise that is rotated counterclockwise in the driver element, make its elongation, approach and extruding rotor (2) inwall, make counterclockwise radially that the formation static friction cooperates between the piezoelectricity bar (3-2) and rotor (2) inwall; Give the counterclockwise driving piezoelectricity bar (6-2) that is rotated counterclockwise in driver element energising, make its elongation, promotion turns clockwise and is rotated counterclockwise the arm of force (4-2) around rotary arm rotating shaft (9) rotation in the driver element, and then promotes counterclockwise radially piezoelectricity bar (3-2) and drive rotor (2) and rotate in the counterclockwise direction; Disconnect counterclockwise the radially power supply of piezoelectricity bar (3-2), radially piezoelectricity bar (3-2) shrinks counterclockwise, radially piezoelectricity bar (3-2) separates with rotor (2) inwall counterclockwise, disconnect the power supply that drives piezoelectricity bar (6-2) counterclockwise, driving piezoelectricity bar (6-2) counterclockwise shrinks, under the effect of counterclockwise spring (5-2), drive piezoelectricity bar (6-2) counterclockwise and be rotated counterclockwise the clockwise motional feedback of the arm of force (4-2) to initial condition;
Repeat the above-mentioned course of work that turns clockwise, rotor (2) namely carries out right handed continuous motion with respect to stator (1); Repeat the above-mentioned course of work that is rotated counterclockwise, rotor (2) namely carries out the continuous motion of rotation counterclockwise with respect to stator (1).
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| CN 201110153993 CN102208881B (en) | 2011-06-09 | 2011-06-09 | Ultrasonic disk motor with clutch and displacement amplification mechanism and working method thereof |
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| CN 201110153993 CN102208881B (en) | 2011-06-09 | 2011-06-09 | Ultrasonic disk motor with clutch and displacement amplification mechanism and working method thereof |
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| CN102208881B true CN102208881B (en) | 2013-09-18 |
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Non-Patent Citations (1)
| Title |
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| JP特开2005-328628A 2005.11.20 |
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| CN102208881A (en) | 2011-10-05 |
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