CN102879902A - Cam-driven oscillating mirror mechanism - Google Patents
Cam-driven oscillating mirror mechanism Download PDFInfo
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- CN102879902A CN102879902A CN2012103757226A CN201210375722A CN102879902A CN 102879902 A CN102879902 A CN 102879902A CN 2012103757226 A CN2012103757226 A CN 2012103757226A CN 201210375722 A CN201210375722 A CN 201210375722A CN 102879902 A CN102879902 A CN 102879902A
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Abstract
The invention relates to a cam-driven oscillating mirror mechanism which comprises a mirror frame and rotary half shaft assembly, a spring close connection device, a deflection cam mechanism, a motor and transmission portion, an oscillating mirror supporting structure and a base. The mirror frame and rotary half shaft assembly comprises an oscillating mirror, a rotary half shaft, a mirror frame, a first rolling bearing, a first bearing end cover, a first sunk screw and an angle encoder. The spring close connection device comprises a spring shield, a planar scroll spring and an outer cover, and the deflection cam mechanism comprises a deflection plate, a cam, a cam shaft and a cam holder. The motor and transmission portion consists of a belt pulley, a V-belt and a motor. The cam-driven oscillating mirror mechanism has the advantages of simple structure, low noise, stability in transmission, low cost, capability of buffering and absorbing vibration, and the like.
Description
Technical field
The present invention relates to the cam-actuated pendulum illuminating apparatus of a kind of employing structure, the light beam that can be used for the precision engineering field accurately scans, follows the tracks of and aims at.
Background technology
Pendulum illuminating apparatus structure has widely purposes in dynamic optical is followed the tracks of, can accurately realize the tracking, the correction of beam-pointing compensation of error of aligning, the measurand of light path etc.Accurately the beat motion of control pendulum mirror is the key factor that improves system accuracy.
Technology (the patent such as Sun Jianfeng formerly, application number: 200410024986.2, in October, 2004 applying date " laser communication terminal high precision dynamic and static weighing device between star ") adopt torque motor directly to be coupled rotation axis in and realize the beat of optical element, thereby realization angular adjustment, but this mechanical system is had relatively high expectations to rotation precision and the power performance of torque motor, and machine error is larger.
Technology (the patent such as Li Anhu formerly, application number: 200510026553.5, in June, 2005 applying date " light-beam offset mechanic apparatus with double light wedges ") in, the mode that the direct jacking of linear electric motors drives has been proposed, belong to the varying duty system in the motion, not only control accuracy is difficult to guarantee, and is difficult to overcome friction and the impact that retracing spring and push rod etc. produce at the volley.
Technology (the patent such as Li Anhu formerly, application number: 201010588924.X, in Dec, 2010 applying date " deflecting optical wedge scanning device ") realized the beat motion of wedge in by the sports coupling of three mechanical modules, but because the first module and the 3rd module have all adopted the rail plate scheme, all be to realize by the slip of slide block on its guide rail, therefore the error accumulation of two-stage rail plate generation has affected the precision that deflection angle is regulated, the second module adopts oscillating bearing also to have movement clearance simultaneously, affects system's service precision.
Summary of the invention
The object of the present invention is to provide a kind of cam-actuated pendulum illuminating apparatus structure, adopt cam-actuated mode accurately to control the beat motion of pendulum mirror, to overcome the weak point in the above-mentioned formerly technology.
The cam-actuated pendulum illuminating apparatus of the employing structure that the present invention proposes, comprise picture frame and rotate half axle assembly, spring is close to device, beat cam mechanism, motor and running part, pendulum mirror supporting construction and support, wherein:
Section rigid connection about picture frame and rotation semiaxis is supported by the support two sides by rolling bearing; By motor by realize the accurate beat of pendulum mirror with transmission control cam mechanism.
Described picture frame and rotate half axle assembly and comprise pendulum mirror 4, rotate semiaxis 2, picture frame 5, the first rolling bearing 8, clutch shaft bearing end cap 6, the first sunk screw 7 and angular encoder 3, pendulum mirror 4 is fixed in the picture frame 5 by pendulum mirror supporting construction, section rigid attachment about picture frame 5 and rotation semiaxis 2; Section is installed on the support 1 by the first rolling bearing 8 respectively about described rotation semiaxis 2; The inner ring of the first rolling bearing 8 is located by the shaft shoulder, and the outer ring is fixing by clutch shaft bearing end cap 6; Clutch shaft bearing end cap 6 is fixed in the side of support 1 by the first sunk screw 7; Left section of described rotation semiaxis 2 also is connected with angular encoder 3;
Described spring is close to device and comprises spring shield 41, plane scroll spring 42 and enclosing cover 43, and described spring shield 41 rotates in 2 right sections of the semiaxis, for plane scroll spring 42 provides holding plane by being threaded into; Described plane scroll spring 42 1 ends embed in the right section end face groove that rotates semiaxis 2, and the other end is put into the groove of clutch shaft bearing end cap 6, and are fixing by hex-head screw 45; Described enclosing cover 43 is fixed in clutch shaft bearing end cap 6 right sides by the 7th sunk screw 44;
Described beat cam mechanism comprises beat plate 17, cam 22, camshaft 23 and cam holder 25, and described beat plate 17 is connected with picture frame 5 by the second sunk screw 16, and forms kinematic pair with cam 22; Cam 22 is fixed on the camshaft 23, and camshaft 23 is installed on the cam holder 25 by the second rolling bearing 20; The inner ring of the second rolling bearing 20 is by the shaft shoulder location of camshaft 23, and the outer ring is fixing by the second bearing (ball) cover 19; The second bearing (ball) cover 19 is connected on the cam holder 25 by the 3rd sunk screw 21; Left and right two of cam holder 25 minutes is fixed on the support 1 by the 4th sunk screw 26 respectively;
Described motor and running part by belt wheel 24, V be with 27 and motor 28 form, described belt wheel 24 is fixed on the camshaft 23, and be placed in V and be with 27 1 ends, the axle sleeve of motor 28 is with 27 other ends in V, and belt wheel 24 is connected with 27 with V and finishes the motion transmission of motor 28 and camshaft 23; Motor 28 is fixed on the support 1 by the 5th sunk screw 29.
Among the present invention, described motor and running part can also be directly coupled on the camshaft 23 by shaft coupling by motor 28 and realize, described shaft coupling comprises right half a coupler 36 and left half a coupler 37, right half a coupler 36 is realized circumferentially being connected with camshaft 23 by the first general flat key 35, axially adopts the shaft shoulder location of camshaft 23; Left half a coupler 37 is realized circumferentially location by the second general flat key 38 and motor shaft 39, and is axially fixing by holding screw 40; Described left half a coupler 37 is connected with bolt 34 by the strand drilling with right half a coupler 36, and tightens with hex-head nut 32, and the face of tightening also is placed with the second elastic washer 33; Described motor 28 is fixed on the motor platform 30 by the 5th sunk screw 29, and motor platform 30 is fixed on the support 1 by the 6th sunk screw 31.
Among the present invention, described pendulum mirror supporting construction is supported by radially adjustable segmentation face and axial support forms, radially adjustable segmentation face is supported with the 3-6 group, distribute along picture frame 5 radial symmetry, every group of radially adjustable segmentation face supports and is comprised of set screw 9, arc piece 10 and nylon block 11, described arc piece 10 is bonding by viscose glue with nylon block 11, and is placed in the groove of picture frame 5; Expansion screw 9 is by in the cinclides that is threaded into picture frame 5, and its head of screw is spun in the threaded hole of arc piece 10, and the adjusting by expansion screw 9 realizes the radial support to pendulum mirror 4; Axial support by flexible 12, axially back-up ring 13, elastic washer 14, threaded collar 15 and O shape circle 18 form; Described O shape circle 18 is put into the sidewall circular groove of picture frame 5, is used for the location, E side to pendulum mirror 4, and embedded flexible 12 of the F side of pendulum mirror 4 and axial back-up ring 13 contacts cooperation; Flexible 12 groove of putting into axial back-up ring 13, bonding by viscose glue, and on the circumference of axial back-up ring 13 uniform some groups; Axially be provided with the first elastic washer 14 between back-up ring 13 and the threaded collar 15, the screw-in by threaded collar 15 compresses to be realized putting the axial support of mirror 4.
Described support 1 is the immobilization carrier of said mechanism.
Among the present invention, described pendulum mirror 4 can be in wedge, level crossing, male and fomale(M﹠F) mirror or other optical mirrors etc. any.
Among the present invention, described adjustable segmentation face supporting construction can be determined the group number that the segmentation supporting surface is uniform according to shape and the size of actual picture frame and mirror, generally is no less than three groups.
Among the present invention, described flexible 12 can according to the diameter of actual bead determine on its circumference uniform several, generally be no less than 3.
Among the present invention, described cam deflection mechanism is not only applicable to small mirror, and is equally applicable to the motion occasion of general big-and-middle-sized optical mirror.
Technological merit of the present invention:
1. among the present invention, the kinematic pair that described cam deflection mechanism consists of by beat plate 17 and cam 22 can realize putting the accurate beat of mirror 4, and simple in structure, also without multiple friction, noise and the error accumulation of using slide block and guide rail to produce because of a plurality of modules in the first technology, improved the precision of system.
2. among the present invention, what described running part namely can adopt is the transmission of V band, than worm drive or gear drive, have that noise is little, simple in structure, the advantages such as stable drive, cheap and buffering absorbing, also can according to different use occasions, adopt motor to realize by shaft coupling direct-coupling camshaft.
3. among the present invention, it is to load onto in advance the plane scroll spring 42 with pretension elastic force in the end of rotating semiaxis 2 that described spring is close to device, realized cleverly the close contact of beat process cam 22 and beat plate 17, avoided because of directly between beat plate 17 and the cam holder 25 load connect the structure clumsiness that spring brings and reach the shortcomings such as not attractive in appearance.
4. among the present invention, described segmentation surface adjustable supporting construction has not only satisfied the radial support requirement of pendulum mirror, and has avoided local load to concentrate by the support of segmentation arcwall face; Each supportive body adopts bolt and picture frame rigid connection simultaneously, has guaranteed the stability of mirror when dynamic motion; And contact with the circumference of mirror by nylon block (or block rubber) on the arc piece, avoided the destruction to mirror.
5. among the present invention, described surface adjustable supporting construction can realize the fine setting of mirror optical axis center, has the convenience of very large dirigibility, adjustment precision and loading and unloading.When this structure is used for many mirror systems, by fine setting radially, can realize the inregister of each mirror optical axis, its advantage is more obvious.
6. among the present invention, the F side of described pendulum mirror 4 is to contact with embedded flexible 12 of axial back-up ring 13 to cooperate, rather than directly cooperate with the side of axial back-up ring 13, so not only reduced and put the contact area of mirror 4, and used and greatly weakened axial back-up ring 13 for flexible 12 to the impact of the mirror shape generation of pendulum mirror 4.
7. among the present invention, described pendulum mirror 4 can comprise wedge, level crossing, male and fomale(M﹠F) mirror and other optical mirrors etc., and can single pendulum mirror or a plurality of pendulum mirror be used in combination, by reflection or refraction to satisfy the request for utilizations such as different beam flyings, tracking, orientation.
8. among the present invention, described actuated by cams deflection mechanism is not only applicable to small mirror, and is equally applicable to the motion occasion of general big-and-middle-sized optical mirror.
Description of drawings
Fig. 1 is the overall construction drawing that the present invention adopts cam-actuated pendulum illuminating apparatus structure.
Fig. 2 is the structural drawing that spring of the present invention is close to device.Wherein: (a) being front view, (b) is the A-A cut-open view of Fig. 2 (a).
Fig. 3 is the zoomed-in view of cam deflection mechanism of the present invention and running part.
Fig. 4 is the structural drawing of motor of the present invention and the transmission of camshaft direct-coupling.
Fig. 5 is the radially structural drawing of adjustable supports and axial support of the present invention.
Fig. 6 is the radially partial enlarged view of adjustable supports of the present invention.
Fig. 7 is the beat motion diagram of cam deflection mechanism of the present invention.Wherein: (a) for putting the reference position of mirror beat; (b) for putting the final position of mirror beat.
Fig. 8 is the general three design sketch that the present invention adopts cam-actuated pendulum illuminating apparatus structure.
Fig. 9 is the spatial structure cut-open view that adjustable radial of the present invention supports.
Figure 10 is picture frame of the present invention and the three-dimensional structure diagram that rotates half axle assembly.
Figure 11 is part 3 d part figure among the present invention.Wherein: (a) be close to the tomograph of device medi-spring guard shield 41 for spring; (b) be the tomograph of clutch shaft bearing end cap 6.
Figure 12 is the simplification mathematical model that the present invention puts the illuminating apparatus structure.
Figure 13 is cam profile curve figure.Wherein: heavy line represents cam profile curve, and thick dashed line represents the basic circle curve.
Number in the figure: 1 is support, and 2 for rotating semiaxis, and 3 is angular encoder, 4 are the pendulum mirror, and 5 is picture frame, and 6 is the clutch shaft bearing end cap, 7 is the first sunk screw, and 8 is the first rolling bearing, and 9 is set screw, 10 is the arc piece, and 11 is nylon block, and 12 is flexible, 13 is axial back-up ring, and 14 is the first elastic washer, and 15 is threaded collar, 16 is the second sunk screw, 17 is the beat plate, and 18 are O shape circle, and 19 is the second bearing (ball) cover, 20 is the second rolling bearing, 21 is the 3rd sunk screw, and 22 is cam, and 23 is camshaft, 24 is belt wheel, 25 is cam holder, and 26 is the 4th sunk screw, and 27 are the V band, 28 is motor, 29 is the 5th sunk screw, and 30 is the motor platform, and 31 is the 6th sunk screw, 32 is hex-head nut, 33 is the second elastic washer, and 34 are strand drilling bolt, and 35 is the first general flat key, 36 is right half a coupler, 37 is left half a coupler, and 38 is the second general flat key, and 39 is motor shaft, 40 is holding screw, 41 is spring shield, and 42 is plane scroll spring, and 43 is enclosing cover, 44 is the 7th sunk screw, and 45 is hex-head screw.
Embodiment
Adopt cam-actuated pendulum illuminating apparatus structure to be described in further detail below by each accompanying drawing to the present invention, but scope of patent protection of the present invention is not limited to this.
Referring to Fig. 1, picture frame with rotate section rigid connection about semiaxis, and by high-precision rolling bearing by the support lateral support; By motor by realize the accurate beat of pendulum mirror with transmission control cam mechanism.
Referring to Fig. 1, described picture frame and rotate half axle assembly and comprise pendulum mirror 4, rotate semiaxis 2, picture frame 5, the first rolling bearing 8, clutch shaft bearing end cap 6, the first sunk screw 7 and angular encoder 3, pendulum mirror 4 is fixed in the picture frame 5 by pendulum mirror supporting construction, section rigid attachment about picture frame 5 and rotation semiaxis 2; Section is installed on the support 1 by the first rolling bearing 8 respectively about described rotation semiaxis 2; The inner ring of the first rolling bearing 8 is located by the shaft shoulder, and the outer ring is fixing by clutch shaft bearing end cap 6; Clutch shaft bearing end cap 6 is fixed in the side of support 1 by the first sunk screw 7; Left section of described rotation semiaxis 2 also is connected with angular encoder 3, is used for measuring actual deflection angle.
Referring to Fig. 2, described spring is close to device and comprises spring shield 41, plane scroll spring 42, enclosing cover 43, and described spring shield 41, for plane scroll spring 42 provides holding plane and shields by being threaded in right section that rotates semiaxis 2; One end of described plane scroll spring 42 embeds in the right section end face groove that rotates semiaxis 2, and the other end is put into the groove of clutch shaft bearing end cap 6, and fixing with hex-head screw 45; Described enclosing cover 43 is fixed on the right side of clutch shaft bearing end cap 6 by the 7th sunk screw 44.Described plane scroll spring 42 is existing pretension elastic force after packing into, guaranteed the close contact of original position beat plate 17 with cam 23, when rotating semiaxis 2 from the reference position setting in motion, plane scroll spring 42 begins to load, resist the motion of pendulum mirror, its acting force is opposite with pendulum mirror direction of motion, and namely beat plate 17 keeps close contact with cam 22; When the backhaul of pendulum mirror, acting force of the spring reduces gradually, but the pendulum mirror still is subjected to spring force, thereby beat plate 17 remains close contact with camshaft 22 in the whole beat process.
Referring to Fig. 3, described beat cam mechanism comprises beat plate 17, cam 22, camshaft 23, cam holder 25, and described beat plate 17 is connected with picture frame 5 by the second sunk screw 16, and forms kinematic pair with cam 22, realizes the beat motion of pendulum mirror 4; Cam 22 is fixed on the camshaft 23, and camshaft 23 is installed on the cam holder 25 by the second rolling bearing 20; The inner ring of the second rolling bearing 20 is by the shaft shoulder location of camshaft 23, and the outer ring is fixing by the second bearing (ball) cover 19; The second bearing (ball) cover 19 is connected on the cam holder 25 by the 3rd sunk screw 21; Described cam holder about 25 minutes two is fixed on the support 1 by the 4th sunk screw 26 respectively.
Referring to Fig. 3, described motor and running part by belt wheel 24, V be with 27, motor 28 forms: described belt wheel 24 is fixed on the camshaft 23, and be placed in V and be with 27 1 ends, the axle sleeve of motor 28 is with 27 other ends in V, belt wheel 24 is connected with 27 with V and finishes the motion transmission of motor 28 and camshaft 23, realizes the beat function of pendulum mirror 4; Motor 28 is fixed on the support 1 by the 5th sunk screw 29.
Referring to Fig. 4, described motor and running part can also be directly coupled on the camshaft 23 by shaft coupling by motor 28 and realize, described shaft coupling comprises right half a coupler 36 and left half a coupler 37, right half a coupler 36 is realized circumferentially being connected with camshaft 23 by the first general flat key 35, and is axial then adopt the shaft shoulder of camshaft 23 to locate; Left half a coupler 37 is realized circumferentially location by the second general flat key 38 and the motor shaft 39 of motor 28, and is axially fixing by holding screw 40; Described left half a coupler 37 is connected with bolt 34 by the strand drilling with right half a coupler 36, and tightens with hex-head nut 32, and the face of tightening also is placed with the second elastic washer 33, is used for preventing the loosening of hex-head nut 32; Described motor 28 is fixed on the motor platform 30 by the 5th sunk screw 29, and motor platform 30 is fixed on the support 1 by the 6th sunk screw 31.
Referring to Fig. 5 and Fig. 6, described supporting construction is made of radially adjustable supports and axial support: radially adjustable supports has the 3-6 group, distribute along picture frame 5 radial symmetry, every group of radially adjustable segmentation face supports and is comprised of set screw 9, arc piece 10, nylon block 11, described arc piece 10 is bonding by viscose glue with nylon block 11, and be placed in the groove of picture frame 5, nylon block 11 cooperates with the circumference contact of pendulum mirror 4, has avoided the destruction to pendulum mirror 4; Expansion screw 9 is by in the cinclides that is threaded into picture frame 5, and its head of screw is spun on the threaded hole of arc piece 10; Tighten expansion screw 9, then arc piece 10 and nylon block 11 will be put mirror 4 and support, and when twisting expansion screw 9, then nylon block 11 and pendulum mirror 4 unclamp when anti-; During design, clearance fit between the excircle of the inner periphery of assurance picture frame 5 and pendulum mirror 4, and when arc piece 10 was pulled to the groove floor of picture frame 5 by expansion screw 9, the circumference that the inside surface of six arc pieces 10 consists of was conducive to flexible support, installation and adjusting like this less than the internal diameter of picture frame 5.Axial support by flexible 12, axially back-up ring 13, the first elastic washer 14, threaded collar 15 and O shape circle 18 form; Described O shape circle 18 is put into the sidewall circular groove of picture frame 5, is used for the location, E side to pendulum mirror 4, and embedded flexible 12 of the F side of pendulum mirror 4 and axial back-up ring 13 contact cooperation, avoided contacting the destruction of causing mirror because of direct and axial back-up ring 13; Flexible 12 groove of putting into axial back-up ring 13, and bonding by viscose glue, on the circumference of axial back-up ring 13 uniform eight groups; Axially be provided with the first elastic washer 14 between back-up ring 13 and the threaded collar 15, be used for preventing the loosening of threaded collar 15; Screw-in by threaded collar 15 compresses the axial support that realizes pendulum mirror 4 at last.
Described support 1 is the immobilization carrier of said mechanism.
In conjunction with Fig. 1-Fig. 6, the concrete beat process of the pendulum illuminating apparatus structure of present embodiment is: motor 28 passes motion to cam 22 on the camshaft 23 by V with transmission, cam 22 consists of kinematic pairs with beat plate 17, and is close to device by the spring that pretension elastic force is housed and keeps both close contacts in whole beat process; Beat plate 17 is connected by the second sunk screw 16 with picture frame 5, and pendulum mirror 4 is by radially adjustable supports and axial support are fixed in the picture frame 5; Like this, cam 22 is done gyration under the driving of motor 28, and beat plate 17 is done reciprocal beat motion, thereby realizes that pendulum mirror 4 is around the accurate beat that rotates semiaxis 2.As previously mentioned, motor and running part can also be directly coupled on the camshaft by shaft coupling by motor according to practical application and realize herein.
Figure 7 shows that the beat motion synoptic diagram of cam pendulum illuminating apparatus structure.Wherein: (a) for putting the reference position of mirror beat; (b) for putting the final position of mirror beat.Pendulum mirror 4 moves to terminal point beat position from initial beat position first under the driving of cam mechanism, get back to reference position by the final position again, thereby realizes reciprocal beat motion.
Figure 8 shows that the general three design sketch that adopts cam-actuated pendulum illuminating apparatus structure.
Figure 9 shows that the spatial structure cut-open view that adjustable radial supports.
Figure 10 shows that picture frame and the three-dimensional structure diagram that rotates half axle assembly.
Figure 11 shows that the partial 3-D part drawing.Wherein: (a) be close to the tomograph of device medi-spring guard shield 41 for spring; (b) be the tomograph of clutch shaft bearing end cap 6.
In addition, according to fork motion requirement, can adopt graphical method or analytical method commonly used in the cam design to obtain cam curve to finish processing.For example, the pendulum illuminating apparatus structure among the present invention can be reduced to mathematical model as shown in figure 12, according to base radius r
0, centre distance a, maximum deflection angle φ
MaxAdopt the method for resolving just can obtain cam curve etc. parameter.Now detailed derivation is described below:
As shown in figure 12, the center of rotating semiaxis is A, and the center of camshaft is O, and pendulum mirror initial position is ABC, prolongs BC to D, is cut to mutually T with cam
0, ∠ DOT
0=α, cam rotates counterclockwise.x
0Oy
0Be fixed coordinate system, xOy is the moving coordinate system that connects firmly with cam.OA=a herein, AB=b, base radius r
0Be known, according to geometric relationship, can obtain:
Be located at arbitrary moment, cam angle is δ, and the pendulum mirror moves to AB ' C ' position, and prolongs B ' C ' to D ', and its displacement is φ
=∠ BAB '=φ
(δ), be tangential on a T with cam, then fixed coordinate system x
OOy
0Coordinate transform relational expression to moving coordinate system xOy is:
Give a P if cross common normal and the line of centres OA that T orders, then put p and be exactly the instantaneous center of velocity between cam and pendulum mirror.According to the definition of instantaneous center of velocity, can get:
According to geometric relationship, can get point of contact T at fixed coordinate system x
OOy
0In coordinate be:
In the formula:
, wherein:
, when rise,
, when backhaul,
In following formula substitution coordinate transform relational expression (2), namely get following Real Contourline of Cam equation:
Instantiation: get r
0=30, a=100, b=60, fork maximum pendulum angle φ
Max=10 °, 1=180 ° of motion angle for actuating travel ∠, 2=180 ° of motion angle for return travel ∠; The characteristics of motion of fork: be the quadratic polynomial characteristics of motion in rise and the backhaul.Draw by MATLAB programming according to above parameter and formula (1) ~ formula (5) etc. and must arrive as shown in figure 13 cam profile curve.
Claims (4)
1. one kind is adopted cam-actuated pendulum illuminating apparatus structure, comprise picture frame and rotate half axle assembly, spring is close to device, beat cam mechanism, motor and running part, pendulum mirror supporting construction and support, it is characterized in that:
Described picture frame and rotate half axle assembly and comprise pendulum mirror (4), rotate semiaxis (2), picture frame (5), the first rolling bearing (8), clutch shaft bearing end cap (6), the first sunk screw (7) and angular encoder (3), pendulum mirror (4) is fixed in the picture frame (5) by pendulum mirror supporting construction, section rigid attachment about picture frame (5) and rotation semiaxis (2); Section is installed on the support (1) by the first rolling bearing (8) respectively about described rotation semiaxis (2); The inner ring of the first rolling bearing (8) is located by the shaft shoulder, and the outer ring is fixing by clutch shaft bearing end cap (6); Clutch shaft bearing end cap (6) is fixed in the side of support (1) by the first sunk screw (7); Left section of described rotation semiaxis (2) also is connected with angular encoder (3);
Described spring is close to device and comprises spring shield (41), plane scroll spring (42) and enclosing cover (43), described spring shield (41) rotates in right section of the semiaxis (2), for plane scroll spring (42) provides holding plane by being threaded into; Described plane scroll spring (42) one ends embed in the right section end face groove that rotates semiaxis (2), and the other end is put into the groove of clutch shaft bearing end cap (6), and are fixing by hex-head screw (45); Described enclosing cover (43) is fixed in clutch shaft bearing end cap (6) right side by the 7th sunk screw (44);
Described beat cam mechanism comprises beat plate (17), cam (22), camshaft (23) and cam holder (25), described beat plate (17) is connected with picture frame (5) by the second sunk screw (16), and forms kinematic pair with cam (22); Cam (22) is fixed on the camshaft (23), and camshaft (23) is installed on the cam holder (25) by the second rolling bearing (20); The inner ring of the second rolling bearing (20) is by the shaft shoulder location of camshaft (23), and the outer ring is fixing by the second bearing (ball) cover (19); The second bearing (ball) cover (19) is connected on the cam holder (25) by the 3rd sunk screw (21); Cam holder (25) divides left and right two, is fixed on the support (1) by the 4th sunk screw (26) respectively;
Described motor and running part are comprised of belt wheel (24), V band (27) and motor (28), described belt wheel (24) is fixed on the camshaft (23), and be placed in V band (27) one ends, the axle sleeve of motor (28) is in V band (27) other end, and belt wheel (24) is connected with V band (27) and finishes the motion transmission of motor (28) and camshaft (23); Motor (28) is fixed on the support (1) by the 5th sunk screw (29).
2. the cam-actuated pendulum illuminating apparatus of employing according to claim 1 structure, it is characterized in that described motor and running part can also be directly coupled on the camshaft (23) by shaft coupling by motor (28) realizes, described shaft coupling comprises right half a coupler (36) and left half a coupler (37), right half a coupler (36) is realized circumferentially being connected by the first general flat key (35) and camshaft (23), axially adopts the shaft shoulder location of camshaft (23); Left half a coupler (37) is realized circumferentially location by the second general flat key (38) and motor shaft (39), and is axially fixing by holding screw (40); Described left half a coupler (37) is connected with bolt (34) by the strand drilling with right half a coupler (36), and tightens with hex-head nut (32), and the face of tightening also is placed with the second elastic washer (33); Described motor (28) is fixed on the motor platform (30) by the 5th sunk screw (29), and motor platform (30) is fixed on the support (1) by the 6th sunk screw (31).
3. the cam-actuated pendulum illuminating apparatus of employing according to claim 1 structure, it is characterized in that described pendulum mirror supporting construction is supported by radially adjustable segmentation face and axial support forms, radially adjustable segmentation face is supported with the 3-6 group, distribute along picture frame (5) radial symmetry, every group of radially adjustable segmentation face supports and is comprised of set screw (9), arc piece (10) and nylon block (11), described arc piece (10) is bonding by viscose glue with nylon block (11), and is placed in the groove of picture frame (5); Expansion screw (9) is by in the cinclides that is threaded into picture frame (5), and its head of screw is spun in the threaded hole of arc piece (10), and the adjusting by expansion screw (9) realizes the radial support to pendulum mirror (4); Axial support is comprised of flexible (12), axial back-up ring (13), elastic washer (14), threaded collar (1 (5)) and O shape circle (18); Described O shape circle (18) is put into the sidewall circular groove of picture frame (5), is used for the location, E side to pendulum mirror (4), and flexible embedded (12) of the F side of pendulum mirror (4) and axial back-up ring (13) contact cooperation; Flexible (12) put into the groove of axial back-up ring (13), and are bonding by viscose glue, and on the circumference of axial back-up ring (13) uniform some groups; Axially be provided with the first elastic washer (14) between back-up ring (13) and the threaded collar (15), the screw-in by threaded collar (15) compresses to be realized putting the axial support of mirror (4).
4. the cam-actuated pendulum illuminating apparatus of employing according to claim 1 structure, it is characterized in that described pendulum mirror (4) be in wedge, level crossing, male and fomale(M﹠F) mirror or other optical mirrors any.
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| CN201210375722.6A CN102879902B (en) | 2012-10-08 | 2012-10-08 | Cam-driven oscillating mirror mechanism |
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| CN201210375722.6A CN102879902B (en) | 2012-10-08 | 2012-10-08 | Cam-driven oscillating mirror mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104735302A (en) * | 2015-03-31 | 2015-06-24 | 中国科学院上海技术物理研究所 | Swing sweep imager cantilever type swing shaft gap elimination high-frequency image shifting compensation device |
| CN105093521A (en) * | 2015-09-07 | 2015-11-25 | 同济大学 | Crank-slider-driven swing mirror mechanism |
| CN105204159A (en) * | 2015-09-22 | 2015-12-30 | 中国科学院西安光学精密机械研究所 | High-precision swing mirror structure reducing stress deformation |
| CN105228483A (en) * | 2013-04-12 | 2016-01-06 | 株式会社乐民富 | The ring footpath variset of ring-type ornament |
| CN105485152A (en) * | 2015-12-22 | 2016-04-13 | 哈尔滨工业大学 | Single-rod double-end lock-type locking device for oscillating mirror type satellite laser communication terminal and locking method of single-rod double-end lock-type locking device |
| CN108645567A (en) * | 2018-08-01 | 2018-10-12 | 芜湖市昌瑞金属粉末有限公司 | A kind of ball mill barrel dynamic balance detecting device |
| CN109188680A (en) * | 2018-11-09 | 2019-01-11 | 西安中科光电精密工程有限公司 | A kind of high-precision pendulum mirror follower |
| CN110919298A (en) * | 2019-10-31 | 2020-03-27 | 成都四威高科技产业园有限公司 | Plane swing mirror processing method |
| CN111880282A (en) * | 2020-07-31 | 2020-11-03 | 同济大学 | Coarse and fine adjusting device for large-range optical axis |
| CN112230239A (en) * | 2020-07-31 | 2021-01-15 | 同济大学 | Monitoring device based on optical axis refraction and reflection |
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| CN2139705Y (en) * | 1992-12-02 | 1993-08-04 | 中国科学院上海技术物理研究所 | High precision pendulum lens for scanner of optical machine |
| CN2543650Y (en) * | 2002-03-22 | 2003-04-09 | 廖松辉 | Resistance laser groove working machine |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105228483A (en) * | 2013-04-12 | 2016-01-06 | 株式会社乐民富 | The ring footpath variset of ring-type ornament |
| CN104735302A (en) * | 2015-03-31 | 2015-06-24 | 中国科学院上海技术物理研究所 | Swing sweep imager cantilever type swing shaft gap elimination high-frequency image shifting compensation device |
| CN105093521B (en) * | 2015-09-07 | 2017-05-24 | 同济大学 | Crank-slider-driven swing mirror mechanism |
| CN105093521A (en) * | 2015-09-07 | 2015-11-25 | 同济大学 | Crank-slider-driven swing mirror mechanism |
| CN105204159A (en) * | 2015-09-22 | 2015-12-30 | 中国科学院西安光学精密机械研究所 | High-precision swing mirror structure reducing stress deformation |
| CN105485152B (en) * | 2015-12-22 | 2018-01-30 | 哈尔滨工业大学 | For putting the single pole both-end locking-type locking device and its locking method of mirror satellite laser communications terminal |
| CN105485152A (en) * | 2015-12-22 | 2016-04-13 | 哈尔滨工业大学 | Single-rod double-end lock-type locking device for oscillating mirror type satellite laser communication terminal and locking method of single-rod double-end lock-type locking device |
| CN108645567A (en) * | 2018-08-01 | 2018-10-12 | 芜湖市昌瑞金属粉末有限公司 | A kind of ball mill barrel dynamic balance detecting device |
| CN109188680A (en) * | 2018-11-09 | 2019-01-11 | 西安中科光电精密工程有限公司 | A kind of high-precision pendulum mirror follower |
| CN109188680B (en) * | 2018-11-09 | 2024-02-27 | 仝人智能科技(江苏)有限公司 | High-precision swing mirror follow-up mechanism |
| CN110919298A (en) * | 2019-10-31 | 2020-03-27 | 成都四威高科技产业园有限公司 | Plane swing mirror processing method |
| CN111880282A (en) * | 2020-07-31 | 2020-11-03 | 同济大学 | Coarse and fine adjusting device for large-range optical axis |
| CN112230239A (en) * | 2020-07-31 | 2021-01-15 | 同济大学 | Monitoring device based on optical axis refraction and reflection |
| CN111880282B (en) * | 2020-07-31 | 2021-10-08 | 同济大学 | Coarse and fine adjusting device for large-range optical axis |
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