CN103471577B - Optical mechanism is closed in mechanical shaking laser gyro - Google Patents
Optical mechanism is closed in mechanical shaking laser gyro Download PDFInfo
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- CN103471577B CN103471577B CN201310432550.6A CN201310432550A CN103471577B CN 103471577 B CN103471577 B CN 103471577B CN 201310432550 A CN201310432550 A CN 201310432550A CN 103471577 B CN103471577 B CN 103471577B
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Abstract
The present invention relates to a kind of mechanical shaking laser gyro and close optical mechanism.This conjunction optical mechanism forms primarily of light-combining prism adjusting gear, regulation device for photoelectric tube and gyro jittering device three part.Light-combining prism adjusting gear is composed in series primarily of three one dimension manual work platforms, an electronic rotation worktable and a light-combining prism clamper, and for realizing the clamping position of light-combining prism, the adjustment of position and angle operates; Regulation device for photoelectric tube is composed in series primarily of three-dimensional precise electric table, photoelectric tube clamper and ramped abutment, operates for the clamping position of photoelectric tube and the adjustment of position; Gyro jittering device primarily of the composition such as support, dithering-wheel and erecting frame, cavity installing mechanism, locating piece, for realizing location and the shake of gyro.The present invention adopts and manually closes with the mechanical shaking laser gyro of the electronic method establishment that combines that optical mechanism operability is good, positioning precision is high, contributes to quality and the efficiency of raising laser gyro conjunction light technique.
Description
Technical field
The present invention relates to a kind of mechanical shaking laser gyro and close optical mechanism.
Background technology
Laser gyro has that quick-reaction capability (QRC) is strong, range of dynamic measurement is wide, the linearity is good, dynamic error is little, high precision, the advantage such as highly reliable, is widely used in strap-down inertial navigation system.The conjunction of laser gyro only refers to the position of accurate adjustment light-combining prism and photoelectric tube in the manufacture process of laser gyro, produces and interferes, accurately obtain the frequency difference information corresponding to gyro angular velocity in resonant cavity when the laser beam run is exported.The conjunction light assembly technology of current domestic laser gyro mainly adopts manual mode of operation, and owing to being subject to the impact of the factors such as experience, skill of operating personnel, the quality of conjunction light assembling and efficiency cannot meet the needs that laser gyro is produced.
Summary of the invention
The object of the invention is to close Problems existing in light assembly technology for the manually-operated mechanical shaking laser gyro of existing employing, optical mechanism is closed in the shake laser gyro that designs a mechanism, replace artificial major part work, positioning precision is high, operability good, contributes to improving quality and the efficiency that light technique is closed in laser gyro.
For achieving the above object, thinking of the present invention is as follows:
Consider that physical construction completes the convenience of closing light assembling, resonant cavity should vertically be placed, and plane mirror and the plane-parallel of light-combining prism are joined in immediate shipment.For anti-locking mechanism assembles light-combining prism and the interference of photoelectric tube output on resonant cavity, light-combining prism adjusting gear, gyro jittering device and regulation device for photoelectric tube should be arranged at the left, center, right place of optical table.And for completing light task of closing, light-combining prism planar need carry out X at plane mirror, Y-direction moves and around the rotation of Z axis, simultaneously, for adapting to the resonant cavity of different size, also need the upper and lower translation of Z-direction to move, and translation motion accuracy requirement is low, running accuracy requires high, therefore, light-combining prism adjusting gear is composed in series, in order to realize the motion of light-combining prism by three manual translation worktable and an electronic rotation worktable.Because photoelectric tube will be arranged on the upper surface of light-combining prism to accept the output light of resonant cavity, and the upper surface of light-combining prism becomes certain inclination angle with surface level, therefore the susceptor design of regulation device for photoelectric tube becomes the inclination angle identical with the upper surface of light-combining prism, and the translational worktable that installation three is orthogonal is thereon to realize the position adjustment of photoelectric tube, because the kinematic accuracy of photoelectric tube requires high, therefore select electric table to complete the motion of photoelectric tube.
Based on above thinking, the present invention adopts following technical scheme:
Optical mechanism is closed in a kind of mechanical shaking laser gyro, comprise an optical table, a light-combining prism adjusting gear, regulation device for photoelectric tube, a gyro jittering device and the resonant cavity with plane mirror to be assembled, light-combining prism and a photoelectric tube, described light-combining prism adjusting gear, for completing the adjustment of the clamping position of light-combining prism, position and angle, is fixed on the left side of optical table; Regulation device for photoelectric tube, for the adjustment of the clamping position and position that complete photoelectric tube, is fixed on the right side of optical table; Gyro jittering device, for completing location and the shake of resonant cavity, is fixed on the centre position of optical table.
The light-combining prism adjusting gear that optical mechanism is closed in above-mentioned mechanical shaking laser gyro is made up of to manual work platform, Y-direction manual work platform, L shape card extender, Z-direction manual work platform, an electronic rotation worktable and a light-combining prism clamper a base plate, an X; Described base plate is fixed on the left side of optical table, Y-direction manual work platform is fastened on base plate with X to manual work platform is orthogonal, Z-direction manual work platform is fixed on Y-direction manual work platform by L shape card extender, and light-combining prism clamper and electronic rotation worktable are connected and fixed on Z-direction manual work platform.The position adjustment of light-combining prism is completed by three-dimensional manual work platform, and angular setting is completed by one dimension electronic rotation worktable, the clamping of light-combining prism, locates and is realized by light-combining prism clamper.Wherein light-combining prism clamper is made up of a holder, L bracket, knurled knob, two bearing (ball) covers, two milled screws, two webs, left-hand threaded nut, two round nuts, two orienting sleeves, guide pole, two sleeves, right-handed nut, left-and-right spiral screw mandrel, right plate, housing screw, orienting lug, push rod, right jaw, left jaw, left plates.Described L bracket is fixed on electronic rotation worktable, holder is connected with L bracket upper surface by screw, screw with the left-hand thread (LHT) on left-and-right spiral screw mandrel after left-hand threaded nut and a sleeve correspondence insert the mounting hole of the orienting sleeve in left side, screw with the right-hand thread on left-and-right spiral screw mandrel after right-handed nut and another sleeve correspondence insert the mounting hole of another orienting sleeve, by the position of mounting hole on adjustment left-hand threaded nut, right-handed nut and two orienting sleeves, make left-hand threaded nut and right-handed nut symmetrical on left-and-right spiral screw mandrel.In the endoporus of two webs, install two bearings respectively, for supporting left-and-right spiral screw mandrel, bearing (ball) cover is connected with web, by the end play regulating the spacer thickness be arranged between the shaft shoulder of left-and-right spiral screw mandrel and bearing to eliminate whole mechanism.Guide pole is through two sleeves, two sleeves and two orienting sleeves are fixed by two round nuts in the left and right sides, simultaneously, guide pole inserts the symmetric, arc groove interior (arc-shaped slot central point is positioned on the axial line of left-and-right spiral screw mandrel) of left and right sides web, milled screw is installed respectively in its two ends, left and right, slide in the arc-shaped slot of web for driving guide pole, and then realize light-combining prism clamper end and rotate (maximum can spin-up 30 degree) around the axial line of left-and-right spiral screw mandrel, so that realize the wiping of plane mirror.Left plate, right plate are separately fixed on the side of the orienting sleeve of arranged on left and right sides by screw, left jaw, right jaw are connected with left plate, right plate respectively, for realize light-combining prism in left side, the location in three directions in right side and rear.Orienting lug is fixed on right plate, by it install push rod and housing screw realize the location of light-combining prism in front.Knurled knob is fixed on the left end of left-and-right spiral screw mandrel by holding screw, rotates (i.e. left-and-right spiral mechanism) for driving left-and-right spiral screw mandrel and then realizes clamping and releasing of light-combining prism.
The regulation device for photoelectric tube that optical mechanism is closed in above-mentioned mechanical shaking laser gyro is made up of to electric table and a Y-direction electric table a photoelectric tube clamper, Z-direction electric table, L shape web joint, ramped abutment, an X; Described ramped abutment and optical table affixed, its angle of inclination is identical with the angle of inclination of light-combining prism, X is connected with ramped abutment by screw after electric table connection orthogonal with Y-direction electric table, Z-direction electric table is fixed on L shape web joint and is connected to electric table with X, and the series connection of photoelectric tube clamper is fixed on Z-direction electric table end.The position adjustment of photoelectric tube is completed by three-D electric worktable, its clamping, locates and is realized by photoelectric tube clamper.Wherein photoelectric tube clamper is made up of a location-plate, right pawl, left pawl, left arm, two rotating shafts, right arm, cam, knurled knob, a spring and L shaped plates; Described L shaped plate is fixed by screws on Z-direction electric table, left arm, right arm are connected with L shaped plate respectively by rotating shaft, left pawl, right pawl are connected with left arm, right arm respectively, slotted location-plate is with to be fixed on right pawl, for realizing the location of photoelectric tube, cam is connected with L shaped plate by a turning axle, and knurled knob is fixed by holding screw and cam.When knurled knob rotates, band moving cam rotates together, and then promotes left arm, right arm with left pawl, right pawl respectively around two axis of rotation (namely forming symmetrical expression leverage), thus realizes clamping and releasing of photoelectric tube.Spring is connected by screw the end at left arm and right arm, for ensureing that cam contacts with left arm, right arm all the time.
The gyro jittering device that optical mechanism is closed in above-mentioned mechanical shaking laser gyro is made up of a support, two dithering-wheel erecting frames, dithering-wheel, cavity installing mechanism, two locating pieces and large round nuts; Support is fixed on the centre position of optical table, dithering-wheel and two dithering-wheel erecting frames are connected by screw, one end and support are fixed, the other end is connected with cavity installing mechanism, two locating pieces are separately fixed at the left and right inferior horn formation v-shaped structure of cavity installing mechanism, the accurate location of resonant cavity is realized together with the face of cylinder on cavity installing mechanism, to ensure upper surface and the plane-parallel of plane mirror, large round nut and being threaded on cavity installing mechanism, for realizing the compression of resonant cavity.Dithering-wheel pastes piezoelectric ceramics, in order to realize the shake of resonant cavity.
The present invention is prior art comparatively, and structure is simple, and operability is good, and positioning precision is high, effectively can improve quality and efficiency that light technique is closed in laser gyro.
Accompanying drawing explanation
Fig. 1 is the one-piece construction schematic diagram of mechanism of the present invention.
Fig. 2 is optical component schematic diagram to be assembled of the present invention.
Fig. 3 is neutralizing light prismatic adjustment apparatus structure schematic diagram of the present invention.
Fig. 4 is neutralizing light prism holder structural representation of the present invention.
Fig. 5 is regulation device for photoelectric tube structural representation in the present invention.
Fig. 6 is photoelectric tube holder structure schematic diagram in the present invention.
Fig. 7 is gyro jittering device structural representation.
Embodiment
Preferred embodiment of the present invention accompanying drawings is as follows:
Embodiment one:
See Fig. 1,2, optical mechanism is closed in the mechanical shaking laser gyro of this invention, comprise an optical table 1, light-combining prism adjusting gear 2, regulation device for photoelectric tube 3, gyro jittering device 4 and the resonant cavity 5 with plane mirror 6 to be assembled, light-combining prism 7 and photoelectric tube 8, it is characterized in that: described light-combining prism adjusting gear 2, for completing the adjustment of the clamping position of light-combining prism 7, position and angle, is fixed on the left side of optical table 1; Regulation device for photoelectric tube 3, for the adjustment of the clamping position and position that complete photoelectric tube 8, is fixed on the right side of optical table 1; Gyro jittering device 4, for completing location and the shake of resonant cavity 5, is fixed on the centre position of optical table 1.
Embodiment two:
The present embodiment is substantially identical with embodiment one, and its special feature is:
See Fig. 1,3,4, described light-combining prism adjusting gear 2 is made up of to manual work platform 10, Y-direction manual work platform 11, L shape card extender 12, Z-direction manual work platform 13, electronic rotation worktable 14 and a light-combining prism clamper 15 base plate 9, X; Described base plate 9 is fixed on the left side of optical table 1, Y-direction manual work platform 11 is fastened on base plate 9 with X to manual work platform 10 is orthogonal, Z-direction manual work platform 13 is fixed on Y-direction manual work platform 11 by L shape card extender 12, and light-combining prism clamper 15 and electronic rotation worktable 14 are connected and fixed on Z-direction manual work platform 13.The position adjustment of light-combining prism 7 is by three-dimensional manual work platform 10,11, and 13 complete, and angular setting is completed by one dimension electronic rotation worktable 14, the clamping of light-combining prism 7, locates and is realized by light-combining prism clamper 15.Described light-combining prism clamper 15 is by a holder 16, a L bracket 17, a knurled knob 18, two bearing (ball) covers 19, two milled screws 20, two webs 21, a left-hand threaded nut 22, two round nuts 23, two orienting sleeves 24, a guide pole 25, two sleeves 26, a right-handed nut 27, a left-and-right spiral screw mandrel 28, a right plate 29, a housing screw 30, an orienting lug 31, a push rod 32, a right jaw 33, a left jaw 34, a left plate 35 forms.Described L bracket 17 is fixed on electronic rotation worktable 14, holder 16 is connected with L bracket 17 upper surface by screw, screw with the left-hand thread (LHT) on left-and-right spiral screw mandrel 28 after left-hand threaded nut 22 and sleeve 26 correspondence insert the mounting hole of the orienting sleeve 24 in left side, screw with the right-hand thread on left-and-right spiral screw mandrel 28 after right-handed nut 27 and another sleeve 26 correspondence insert the mounting hole of another orienting sleeve 24, by adjustment left-hand threaded nut 22, the position of mounting hole on right-handed nut 27 and two orienting sleeves 24, make left-hand threaded nut 22 and right-handed nut 27 symmetrical on left-and-right spiral screw mandrel 28.In the endoporus of two webs 21, two bearings are installed respectively, for supporting left-and-right spiral screw mandrel 28, bearing (ball) cover 19 is connected with web 21, by the end play regulating the spacer thickness be arranged between the shaft shoulder of left-and-right spiral screw mandrel 28 and bearing to eliminate whole mechanism.Guide pole 25 is through two sleeves 26, two sleeves 26 and two orienting sleeves 24 are fixed by two round nuts 23 in the left and right sides, simultaneously, guide pole 25 inserts the symmetric, arc groove interior (arc-shaped slot central point is positioned on the axial line of left-and-right spiral screw mandrel 28) of left and right sides web 21, milled screw 20 is installed at its two ends, left and right respectively, slide in the arc-shaped slot of web 21 for driving guide pole 25, and then realize light-combining prism clamper 15 end and rotate (maximum can spin-up 30 degree) around the axial line of left-and-right spiral screw mandrel, so that realize the wiping of plane mirror 6.Left plate 35, right plate 29 are separately fixed on the side of orienting sleeve 24 of arranged on left and right sides by screw, left jaw 34, right jaw 33 are connected with left plate 35, right plate 29 respectively, for realize light-combining prism 7 in left side, the location in three directions in right side and rear.Orienting lug 31 is fixed on right plate 29, by it install push rod 32 and housing screw 30 realize the location of light-combining prism 7 in front.Knurled knob 18 is fixed on the left end of left-and-right spiral screw mandrel 28 by holding screw, rotates (i.e. left-and-right spiral mechanism) for driving left-and-right spiral screw mandrel 28 and then realizes clamping and releasing of light-combining prism 7.
Embodiment three:
The present embodiment is substantially identical with embodiment one, and its special feature is:
See Fig. 1,5,6, described regulation device for photoelectric tube 3 is made up of to electric table 40 and a Y-direction electric table 41 a photoelectric tube clamper 36, Z-direction electric table 37, L shape web joint 38, ramped abutment 39, X; Described ramped abutment 39 is affixed with optical table 1, its angle of inclination is identical with the angle of inclination of light-combining prism 7, X is connected with ramped abutment 39 by screw after electric table 40 connection orthogonal with Y-direction electric table 41, Z-direction electric table 37 is fixed on L shape web joint 38 and is connected to electric table 40 with X, and photoelectric tube clamper 36 series connection is fixed on Z-direction electric table 37 end.The position adjustment of photoelectric tube 8 is by three-D electric worktable 37,40, and 41 complete, and its clamping, locates and is realized by photoelectric tube clamper 36.Described photoelectric tube clamper 36 is made up of the right pawl of a location-plate 42,43, left pawl, 44, left arm, 45, two rotating shafts, 46, right arm, 47, cam, 48, knurled knob, 49, spring 50 and a L shaped plate 51; Described L shaped plate 51 is fixed by screws on Z-direction electric table 37, left arm 45, right arm 47 are connected with L shaped plate 51 respectively by rotating shaft 46, left pawl 44, right pawl 43 are connected with left arm 45, right arm 47 respectively, slotted location-plate 42 is with to be fixed on right pawl 43, for realizing the location of photoelectric tube 8, cam 48 is connected with L shaped plate 51 by a turning axle, and knurled knob 49 is fixed by holding screw and cam 48.Be with moving cam 48 to rotate together when knurled knob 49 rotates, so promote left arm 45, right arm 47 rotates (namely formed symmetrical expression leverage) around two rotating shafts 46 respectively with left pawl 44, right pawl 43, thus realizes clamping and releasing of photoelectric tube 8.Spring 50 is connected by screw at the end of left arm 45 with right arm 47, for ensureing that cam 48 contacts with left arm 45, right arm 47 all the time.
Embodiment four:
The present embodiment is substantially identical with embodiment one, and its special feature is:
See Fig. 1,7, described gyro jittering device 4 is made up of a support 52, two dithering-wheel erecting frames 53, dithering-wheel 54, cavity installing mechanism 55, two locating pieces 56 and a large round nut 57; Support 52 is fixed on the centre position of optical table 1, dithering-wheel 54 and two dithering-wheel erecting frames 53 are connected by screw, one end and support 52 are fixed, the other end is connected with cavity installing mechanism 55, two locating pieces 56 are separately fixed at the left and right inferior horn formation v-shaped structure of cavity installing mechanism 55, the accurate location of resonant cavity 5 is realized together with the face of cylinder on cavity installing mechanism 55, to ensure upper surface and the plane-parallel of plane mirror 6, large round nut 57 and being threaded on cavity installing mechanism 55, for realizing the compression of resonant cavity 5.Dithering-wheel 54 pastes piezoelectric ceramics, in order to realize the shake of resonant cavity 5.
Claims (6)
1. optical mechanism is closed in a mechanical shaking laser gyro, comprise an optical table (1), a light-combining prism adjusting gear (2), regulation device for photoelectric tube (3), a gyro jittering device (4) and the resonant cavity with plane mirror (6) to be assembled (5), light-combining prism (7) and a photoelectric tube (8), it is characterized in that: described light-combining prism adjusting gear (2), for completing the adjustment of the clamping position of light-combining prism (7), position and angle, is fixed on the left side of optical table (1); Regulation device for photoelectric tube (3), for the adjustment of the clamping position and position that complete photoelectric tube (8), is fixed on the right side of optical table (1); Gyro jittering device (4), for completing location and the shake of resonant cavity (5), is fixed on the centre position of optical table (1).
2. optical mechanism is closed in mechanical shaking laser gyro according to claim 1, it is characterized in that: described light-combining prism adjusting gear (2) is made up of to manual work platform (10), Y-direction manual work platform (11), L shape card extender (12), Z-direction manual work platform (13), an electronic rotation worktable (14) and a light-combining prism clamper (15) a base plate (9), an X; Described base plate (9) is fixed on the left side of optical table (1), Y-direction manual work platform (11) is fastened on base plate (9) with X to manual work platform (10) is orthogonal, Z-direction manual work platform (13) is fixed on Y-direction manual work platform (11) by L shape card extender (12), and light-combining prism clamper (15) and electronic rotation worktable (14) are connected and fixed on Z-direction manual work platform (13); The position adjustment of light-combining prism (7) is completed to manual work platform (10), Y-direction manual work platform (11), Z-direction manual work platform (13) by X, angular setting is completed by one dimension electronic rotation worktable (14), the clamping of light-combining prism (7), locates and is realized by light-combining prism clamper (15).
3. optical mechanism is closed in mechanical shaking laser gyro according to claim 2, it is characterized in that: the described light-combining prism clamper (15) in described light-combining prism adjusting gear (2) is by a holder (16), a L bracket (17), a knurled knob (18), two bearing (ball) covers (19), two milled screws (20), two webs (21), a left-hand threaded nut (22), two round nuts (23), two orienting sleeves (24), a guide pole (25), two sleeves (26), a right-handed nut (27), a left-and-right spiral screw mandrel (28), a right plate (29), a housing screw (30), an orienting lug (31), a push rod (32), a right jaw (33), a left jaw (34), left plate (35) composition, described L bracket (17) is fixed on electronic rotation worktable (14), holder (16) is connected with L bracket (17) upper surface by screw, screw with the left-hand thread (LHT) on left-and-right spiral screw mandrel (28) after left-hand threaded nut (22) and sleeve (26) correspondence insert the mounting hole of the orienting sleeve (24) in left side, screw with the right-hand thread on left-and-right spiral screw mandrel (28) after right-handed nut (27) and another sleeve (26) correspondence insert the mounting hole of another orienting sleeve (24), by adjustment left-hand threaded nut (22), the position of right-handed nut (27) and two upper mounting holes of orienting sleeves (24), make left-hand threaded nut (22) upper symmetrical at left-and-right spiral screw mandrel (28) with right-handed nut (27), two bearings are installed respectively in the endoporus of two webs (21), for supporting left-and-right spiral screw mandrel (28), bearing (ball) cover (19) is connected with web (21), by the end play regulating the spacer thickness be arranged between the shaft shoulder of left-and-right spiral screw mandrel (28) and bearing to eliminate whole mechanism, guide pole (25) is through two sleeves (26), two sleeves (26) and two orienting sleeves (24) are fixed with two round nuts (23) by the left and right sides, simultaneously, guide pole (25) inserts in the symmetric, arc groove of left and right sides web (21), arc-shaped slot central point is positioned on the axial line of left-and-right spiral screw mandrel (28), milled screw (20) is installed at the two ends, left and right of guide pole (25) respectively, slide in the arc-shaped slot of web (21) for driving guide pole (25), and then realize light-combining prism clamper (15) end around the axial line of left-and-right spiral screw mandrel and rotate, so that realize the wiping of plane mirror (6), left plate (35), right plate (29) are separately fixed on the side of orienting sleeve (24) of arranged on left and right sides by screw, left jaw (34), right jaw (33) are connected with left plate (35), right plate (29) respectively, for realize light-combining prism (7) in left side, the location in three directions in right side and rear, orienting lug (31) is fixed on right plate (29), by it install push rod (32) and housing screw (30) realize the location of light-combining prism (7) in front, knurled knob (18) is fixed on the left end of left-and-right spiral screw mandrel (28) by holding screw, for driving left-and-right spiral screw mandrel (28) to rotate, i.e. and left-and-right spiral mechanism, and then realize clamping and releasing of light-combining prism (7).
4. optical mechanism is closed in mechanical shaking laser gyro according to claim 1, it is characterized in that: described regulation device for photoelectric tube (3) is made up of to electric table (40) and a Y-direction electric table (41) a photoelectric tube clamper (36), Z-direction electric table (37), L shape web joint (38), ramped abutment (39), an X; Described ramped abutment (39) is affixed with optical table (1), its angle of inclination is identical with the angle of inclination of light-combining prism (7), X is connected with ramped abutment (39) by screw to electric table (40) with after Y-direction electric table (41) orthogonal connection, Z-direction electric table (37) is fixed on L shape web joint (38) and is above connected to electric table (40) with X, and photoelectric tube clamper (36) series connection is fixed on Z-direction electric table (37) end; Position adjustment Z-direction electric table (37) of photoelectric tube (8), X completes to electric table (40) and Y-direction electric table (41), its clamping, locates and realized by photoelectric tube clamper (36).
5. optical mechanism is closed in mechanical shaking laser gyro according to claim 4, it is characterized in that: the described photoelectric tube clamper (36) in described regulation device for photoelectric tube (3) is made up of a location-plate (42), right pawl (43), left pawl (44), left arm (45), two rotating shafts (46), right arm (47), cam (48), knurled knob (49), a spring (50) and L shaped plates (51); Described L shaped plate (51) is fixed by screws on Z-direction electric table (37), left arm (45), right arm (47) are connected with L shaped plate (51) respectively by rotating shaft (46), left pawl (44), right pawl (43) are connected with left arm (45), right arm (47) respectively, slotted location-plate (42) is with to be fixed on right pawl (43), for realizing the location of photoelectric tube (8), cam (48) is connected with L shaped plate (51) by a turning axle, and knurled knob (49) is fixed by holding screw and cam (48); When knurled knob (49) rotates, band moving cam (48) rotates together, and then promote left arm (45), right arm (47) with left pawl (44), right pawl (43) respectively around two rotating shafts (46) rotations, namely form symmetrical expression leverage, thus realize clamping and releasing of photoelectric tube (8); Spring (50) is connected by screw at the end of left arm (45) with right arm (47), for ensureing that cam (48) contacts with left arm (45), right arm (47) all the time.
6. optical mechanism is closed in mechanical shaking laser gyro according to claim 1, it is characterized in that: described gyro jittering device (4) is made up of a support (52), two dithering-wheel erecting frames (53), dithering-wheel (54), cavity installing mechanism (55), two locating pieces (56) and large round nuts (57), support (52) is fixed on the centre position of optical table (1), dithering-wheel (54) and two dithering-wheel erecting frames (53) are connected by screw, one end and support (52) are fixed, the other end is connected with cavity installing mechanism (55), two locating pieces (56) are separately fixed at a left side for cavity installing mechanism (55), the lower right corner forms v-shaped structure, the accurate location of resonant cavity (5) is realized together with the face of cylinder on cavity installing mechanism (55), to ensure upper surface and the plane-parallel of plane mirror (6), large round nut (57) and being threaded on cavity installing mechanism (55), for realizing the compression of resonant cavity (5), (54) paste piezoelectric ceramics to dithering-wheel, in order to realize the shake of resonant cavity (5).
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| CN103969030B (en) * | 2014-04-14 | 2016-11-09 | 上海大学 | Contact-type detection for the screening of laser gyro eyeglass |
| CN104006826B (en) * | 2014-05-26 | 2017-06-23 | 上海大学 | A kind of light-combining prism adjusting apparatus |
| CN104567920B (en) * | 2014-09-03 | 2017-03-29 | 上海大学 | A kind of regulation device for photoelectric tube for the assembling of laser gyro closing light |
| CN108957648B (en) * | 2018-10-15 | 2019-07-19 | 中南大学 | A kind of upper fixture for photodetection automatic coupling equipment |
| CN114166200B (en) * | 2021-12-07 | 2022-10-21 | 重庆集诚昌远科技有限公司 | Laser gyroscope light combining device |
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