CN103777301A - Support fine-tuning device applied to pre lens optical axis alignment - Google Patents
Support fine-tuning device applied to pre lens optical axis alignment Download PDFInfo
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- CN103777301A CN103777301A CN201410001653.1A CN201410001653A CN103777301A CN 103777301 A CN103777301 A CN 103777301A CN 201410001653 A CN201410001653 A CN 201410001653A CN 103777301 A CN103777301 A CN 103777301A
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Abstract
The invention discloses a support fine-tuning device applied to pre lens optical axis alignment. The device is formed by fixedly connecting a leveling platform, a lifting component and an angle fine-tuning component from bottom to top. The leveling platform uses a three point leveling principle to realize rapid leveling. The lifting component uses a nut screw mechanism with limiting and a tension spring to realize smooth and continuous lifting. A pipe seat in the angle fine-tuning component is fixedly connected with a ball pin. A base is fixedly connected with a ball pin seat. The ball pin and the ball pin seat form a spherical pair. A limiting shaft on the ball pin and a rectangular groove on the base form a sliding pair. When in use, a pre lens is arranged in the pipe seat. By rotating a pitch wheel on the pipe seat, fine-tuning and locking can be carried out on the pitch angle of the pre lens. By rotating an orientation wheel on the base, the pipe seat is pushed to realize fine-tuning and locking of the orientation angle of the pre lens, thus a pre lens optical axis is accurately aligned with a tested product. According to the invention, the problems of support and fine-tuning of the pre lens are solved, and the device has the characteristics of simple structure, convenient erection, small occupied space, convenient adjusting and the like.
Description
Technical field
The invention belongs to process unit field, the process unit using while relating generally to optical axis alignment, relates in particular to a kind of preset lens optical axis and the test product supporting fine setting process unit to punctual adjustment angle, height.
Background technology
In electro-optical system, often require the optical axis of system parallel with respect to benchmark.In the time that the ray machine of electro-optical system is debug, often build various light paths with preset lens, the optical axis of system is carried out to adjustment and test.Due to physical dimension, shape, the light path difference of various electro-optical systems, now, need to, according to the physical location of tested electro-optical system, adjust angle and the height of preset lens with micromatic setting, make the optical axis of preset lens and the optical axis of tested electro-optical system consistent.Common micromatic setting structure is more complicated, and manufacturing cost is higher, and angle and be highly difficult to carry out adaptability reform, and the assembly bodily form of building with common device huge temporarily, connects built on the sand, moves inconvenience.Therefore, common easy device is difficult to solve the problem of convenient installation, aligning adjustment and the security of electro-optical system in adjustment and test process.
Chinese patent 201120399627 discloses " a kind of angle vernier device ", this device mainly uses worm gear and worm gear pair as angle adjusting mechanism, owing to having used worm and gear, therefore complex structure, manufacture difficulty is larger, cost is higher, and can only carry out angular setting around an axle, can not bidimensional angular setting.Chinese patent 200910041514 discloses a kind of " manual fine-tuning mechanism ", and this device has adopted spherical pair structure, can realize anglec of rotation adjustment, but its function is more single, does not have elevating function, and short transverse can not be adjusted; In addition,, owing to having three rotary freedoms, therefore too much degree of freedom makes adjustment process complexity, is difficult to quick and precisely aim at.
Summary of the invention
The technical problem to be solved in the present invention is, for electro-optical system is in optic test process, providing a kind of can accurately aim at preset lens optical axis with tested Broadcast and TV system, the supporting micromatic setting of lifting, leveling, angle modulation simple operation.
For solving the problems of the technologies described above, the supporting micromatic setting for preset lens optical axis alignment provided by the invention comprises leveling platform, lifting assembly and angle trimming assembly, and leveling platform is with triangle platen and three adjusting angle spirals, lifting assembly contains column, dog screw, nut, double-screw bolt, spring, support plate, column is that hollow cylinder and one end are with solid ring flange, on its cylindrical wall with two threaded holes that are located on the same line, double-screw bolt is hollow circular cylinder and with external thread, on its cylinder, have axial groove, double-screw bolt one end is arranged in the cavity of column and forms clearance fit, two threaded holes on two dog screws and column connect one to one, and the tip end of two dog screws is arranged in described axial groove, nut is threaded with double-screw bolt and one end of nut and the small column end contact of column, support plate is connected in the other end of double-screw bolt, spring is positioned at the cavity of double-screw bolt and the two ends of spring are connected on the solid ring flange of support plate and column, angle trimming assembly comprises base, two orientation handwheels, two ball pin seats, base, ball pin and two pitching handwheels, base is rectangular flat structure, the rectangular channel arranging with two orientation adjustment seats with along upper face length direction on upper face, orientation adjustment seat is all with the threaded hole arranging along upper face Width, two ball pin seats are the blocks with spherical groove, base is made up of a transverse slat and two risers, and on two parallel upper surfaces that are connected in transverse slat of riser, transverse slat is with screwed hole of centre, the lower surface of transverse slat is provided with limiting stand and equal two convexes with screw, the screw line of centres of two screws is vertical with two risers and by the center of screwed hole of centre, limiting stand is positioned on the described screw line of centres and near one of them convex, two risers all have level and coaxial circular hole, the coaxial cable of two circular holes and the described screw line of centres are in same vertical guide, two upper drift angles of two risers are equipped with chamfering, the tip that screw and screw are all housed on fillet surface stretches in corresponding circular hole, the middle part of ball pin is spherical drum type body, in the both ends of the surface of spherical drum type body, be respectively equipped with limit shaft and inverted T-shaped right cylinder and the cylindrical small column of inverted T-shaped with external thread, spherical drum type body, limit shaft is coaxial with inverted T-shaped right cylinder, the limit shaft of ball pin is positioned at the rectangular channel of base and forms clearance fit, the screwed hole of centre of the cylindrical thread end of inverted T-shaped and base is connected, spherical drum type body is arranged in the ball chamber of two ball pin seats formations and forms spherical pair, two ball pin seats and base is connected and the lower surface of spherical drum type body of ball pin and the upper face of base between leave the gap of 3mm～5mm, between the lower surface of the upper surface of two ball pin seats and base transverse slat, leave the gap of 3mm～5mm, the thread end of two pitching handwheels is threaded with two convexes of base and the other end of two pitching handwheels withstands on base, the thread end of two orientation handwheels is threaded with two orientation adjustment seats of base respectively and threaded end all withstands on two relative sides of described limiting stand, the solid ring flange end face of the column of described lifting assembly and the triangle platen of leveling platform are connected, and the base of support plate and angle trimming assembly is connected.
Beneficial effect of the present invention is embodied in the following aspects:
(1) the present invention is provided with leveling platform and lifting assembly below supporting micromatic setting, utilizes 3 levelling gears in leveling platform to realize the quick level-off of this device, and using area is not had to special requirement; Lifting assembly adopts with spacing nut-screw rod mechanism and tension spring, makes this install continuous lifting process steady especially, the not only limited location guide effect but also have locking effect of two dog screws, therefore, preset lens install set up while aiming at quick especially and stable.
(2) the present invention adopts spherical pair in angle trimming assembly, the sliding pair forming with the rectangular channel of limit shaft and base limits spherical pair and rotates at any angle, only retain orientation angles rotation and luffing angle and rotate, and realized fine setting and the locking of orientation angles, luffing angle by the screw thread pair of two orientation handwheels and two pitching handwheels; In addition,, because screw thread pair has self-locking performance, it is constant for a long time that the state after locking can keep.Therefore the present invention has structure composition simply, adjusts the feature that operation is very easy and reliability is high.
(3) the present invention in use, can carry out fast accommodation according to the contour structures of load or actual service condition to device, leveling platform and lifting assembly can form rising-falling tone platform and use separately, and angle trimming assembly also can be used alone, and have good versatility.
(4) the present invention's number of spare parts required because structure forms is few, simple in structure, and possess the several functions such as leveling, lifting, angle modulation simultaneously, therefore the present invention set up in use easily, take up room little, and than prior art low cost of manufactures such as worm-and-wheel gear angle modulation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of leveling platform and lifting assembly in the present invention.
Fig. 3 is the structural representation of angle trimming assembly in the present invention.
Fig. 4 is the structural representation of the base shown in Fig. 3.
Fig. 5 is the structural representation of the ball pin seat shown in Fig. 3.
Fig. 6 is the structural representation of transverse slat in the base shown in Fig. 3.
Fig. 7 is the structural representation of the ball pin shown in Fig. 3.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the present invention is described in further detail.
As shown in Figure 1, the supporting micromatic setting that the preferred embodiment of the present invention provides comprises leveling platform 1, lifting assembly and angle trimming assembly.
As shown in Figure 2, leveling platform 1 is with triangle platen 1-3 and three adjusting angle spirals.The middle part of triangle platen 1-3 is provided with one group of screw, and three drift angle places are respectively equipped with a threaded hole; Three regulate angle spiral to be made up of three supporting base 1-1, three card 1-2, three control hand wheel 1-4.Control hand wheel 1-4 is T shape structure, upper end boss is provided with anti-skidding straight knurling, lower end is threaded and connects with the threaded hole of triangle platen 1-3, the bulb-shaped recess of the bulb of thread head and supporting base 1-1 forms spherical pair, annular groove and " U " font card 1-2 form spacing, prevent that supporting base 1-1 and control hand wheel 1-4 from departing from.Supporting base 1-1, card 1-2, triangle platen 1-3 and control hand wheel 1-4 form leveling platform jointly, realize the fine setting of leveling platform level angle according to 3 levelling principle rotation control hand wheel 1-4.Lifting assembly contains column 5, dog screw 6, nut 7, double-screw bolt 8, spring 9, support plate 10.Column 5 be hollow cylinder and one end with solid ring flange, on its cylindrical wall, with two threaded holes that are located on the same line, solid ring flange end face is provided with one group of screw via hole.Double-screw bolt 8 is hollow circular cylinder and with external thread, on its cylinder, have axial groove, cylindrical external diameter is identical with the cavity aperture of column 5, and the end face of double-screw bolt 8 one end is provided with fixing threaded hole, the other end is arranged in the cavity of column 5 and forms clearance fit, can be free to slide and rotate.Two dog screws 6 connect one to one with two threaded holes on column 5, and the tip end of two dog screws 6 is arranged in described axial groove and forms sliding pair and limit double-screw bolt 8 and rotate, and tighten screw 6 and also can realize the locking to double-screw bolt 8.Nut 7 is that plum blossom is discoid, the formation screw thread pair that is threaded with double-screw bolt 8, and the small column end contact of one end of nut 7 and column 5.Support plate 10 is disc, and middle part is respectively equipped with one group of screw and one group of via hole, and one group of via hole of support plate 10 is corresponding with the fixing threaded hole on double-screw bolt 8 end faces, is connected by screw.Spring 9 is extension spring the cavity that is positioned at double-screw bolt 8, and the two ends of spring 9 are connected on the solid ring flange of support plate 10 and column 5.Spring 9 remains that extended state fits tightly nut 7 and column 5, and rotating nut 7 can be realized double-screw bolt 8 lifting moving.One group of screw via hole on the solid ring flange end face of column 5 is corresponding with one group of screw at the triangle platen 1-3 middle part of leveling platform 1, and is connected by screw.
As shown in Figure 3, angle trimming assembly comprises base 11, two orientation handwheels 12, two identical ball pin seats 13, base 14, ball pin 15 and two pitching handwheels 19.Base 11 is rectangular flat structure (referring to Fig. 4), the middle part of its lower face is provided with large area heavy stand, the rectangular channel 11-2 arranging with two orientation adjustment seat 11-1 with along upper face length direction on upper face, orientation adjustment seat 11-1 is all with the threaded hole arranging along upper face Width, four jiaos of base 11 are respectively equipped with screw via hole 11-4, and the surrounding of rectangular channel 11-2 is provided with via hole 11-3.Two identical ball pin seats 13 are the blocks (referring to Fig. 5) with spherical groove, and outside two of lower segment end face, drift angle place is respectively equipped with screw 13-1.Base 14 is made up of a transverse slat and two risers, transverse slat with screwed hole of centre 14-2(referring to Fig. 6), the lower surface of transverse slat is provided with four fixed orifice 14-3, limiting stand 14-1 and equal two convex 14-4 with screw, four fixed orifice 14-3 are positioned at four drift angle places of transverse slat, two convex 14-4 are respectively near the mid point of two broadsides of transverse slat, the screw line of centres of two screws is vertical with two risers and by the center of screwed hole of centre 14-2, limiting stand 14-1 is positioned on the described screw line of centres and near one of them convex 14-4; The lower end of two risers by screw with on four parallel upper surfaces that are connected in transverse slat of pilot hole 14-3, two risers all have level and coaxial circular hole, Circularhole diameter size is corresponding with the external diameter of the preset lens 17 being conditioned, the screw line of centres on two convex 14-4 of the coaxial cable of two circular holes and transverse slat is in same vertical guide, two upper drift angles of two risers are equipped with chamfering, screw 16 is all housed on fillet surface, and the tip of screw 16 stretches in corresponding circular hole.The middle part of ball pin 15 is that spherical drum type body 15-3(is referring to Fig. 7), the diameter of spherical drum type body 15-3 holds with the diameter spherical cavity identical and that just in time formed by two ball pin seats 13 of ball pin seat 13 spherical grooves, in the both ends of the surface of spherical drum type body 15-3, be respectively equipped with limit shaft 15-2 and inverted T-shaped right cylinder 15-1, the diameter of limit shaft 15-2 is identical with the width of the rectangular channel 11-2 of base 11, the small column of inverted T-shaped right cylinder 15-1 is with external thread, and spherical drum type body 15-3, limit shaft 15-2 are coaxial with inverted T-shaped right cylinder 15-1.Orientation handwheel 12 is T shape right cylinder, and small cylinder is hemisphere with external thread and threaded end; Pitching handwheel 19 is three rank right cylinders, and epimere right cylinder is provided with external thread, and hypomere right cylinder is that the lower end of polished rod and polished rod is hemisphere, and stage casing cylinder diameter is greater than annular knurl on upper and lower section of right cylinder and the face of cylinder.The limit shaft 15-2 of ball pin 15 is positioned at the rectangular channel 11-2 of base 11 and forms sliding pair, the thread end of inverted T-shaped right cylinder 15-1 and the screwed hole of centre 14-2 of base 14 are connected, and spherical drum type body 15-3 is arranged in the ball chamber that two ball pin seats 13 form and forms spherical pair.Two ball pin seats 13 are connected by the cooperation realization of the screw 13-1 on lower segment end face and screw and the via hole 11-3 of base 11; The upper segment end face of two ball pin seats 13 and between the lower surface of base 14 transverse slats, leave the gap of 3mm～5mm; Between the lower surface of spherical drum type body 15-3 of ball pin 15 and the upper face of base 11, leave the gap of 3mm～5mm.The thread end of two pitching handwheels 19 is threaded and forms screw thread pair with two convex 14-4 of base 14, and the hemisphere of the other end of two pitching handwheels 19 withstands on base 11, the thread end of two orientation handwheels 12 is threaded and forms screw thread pair with two orientation adjustment seat 11-1 of base 11 respectively, and the hemisphere of threaded end all withstands on two relative sides of described limiting stand 14-1.One group of screw on four screw via hole 11-4 and the support plate 10 of the base 11 of angle trimming assembly is just right, and is connected by screw.
In the time using the present invention to debug test to photovoltaic, need to carry out following steps:
First, preset lens 17 is packed in two circular holes of riser in the base 14 of this device, hold out against with the screw 16 at drift angle place on riser.
Then, rotating nut 7, makes double-screw bolt 8 lifting moving by screw thread pair, realizes highly and regulating, and makes the height of preset lens 17 and test product suitable.
Afterwards, three control hand wheel 1-4 in rotation leveling platform 1, are adjusted to basic horizontal according to 3 levelling principle by support plate 10.
Finally, rotate two orientation handwheels 12 preset lens 17 is carried out to orientation angles fine setting, due to the restriction of spherical pair and sliding pair in angle trimming assembly, orientation handwheel 12 promotes base 14 around the rotation of the axis of ball pin 15, has just realized precise fine-adjustment and the locking position of preset lens 17 orientation angles; In like manner, rotate two pitching handwheels 19 preset lens 17 is carried out to luffing angle fine setting, due to the restriction of spherical pair and sliding pair in angle trimming assembly, pitching handwheel 19 promotes base 14 around rotating by ball pin 15 centre ofs sphere and perpendicular to the axis of rectangular channel 11-2 long side surface, has just realized precise fine-adjustment and the locking position of preset lens 17 luffing angles.So repeatedly, just having completed preset lens 17 optical axises aims at the accurate of test product.
Claims (2)
1. for a supporting micromatic setting for preset lens optical axis alignment, comprise the leveling platform (1) with triangle platen (1-3) and three adjusting angle spirals; It is characterized in that: also comprise lifting assembly and angle trimming assembly;
Described lifting assembly contains column (5), dog screw (6), nut (7), double-screw bolt (8), spring (9), support plate (10), (5 is that hollow cylinder and one end are with solid ring flange to column, on its cylindrical wall with two threaded holes that are located on the same line, double-screw bolt (8) is hollow circular cylinder and with external thread, on its cylinder, have axial groove, double-screw bolt (8) one end is arranged in the cavity of column (5) and forms clearance fit, two dog screws (6) connect one to one with two threaded holes on column (5), and the tip end of two dog screws (6) is arranged in described axial groove, nut (7) is threaded with double-screw bolt (8) and one end of nut (7) and the small column end contact of column (5), support plate (10) is connected in the other end of double-screw bolt (8), spring (9) is positioned at the cavity of double-screw bolt (8) and the two ends of spring (9) are connected on the solid ring flange of support plate (10) and column (5),
Described angle trimming assembly comprises base (11), two orientation handwheels (12), two ball pin seats (13), base (14), ball pin (15) and two pitching handwheels (19), base (11) is rectangular flat structure, the rectangular channel (11-2) arranging with two orientation adjustment seats (11-1) with along upper face length direction on upper face, orientation adjustment seat (11-1) is all with the threaded hole arranging along upper face Width, two ball pin seats (13) are the blocks with spherical groove, base (14) is made up of a transverse slat and two risers, and on two parallel upper surfaces that are connected in transverse slat of riser, transverse slat is with screwed hole of centre (14-2), the lower surface of transverse slat is provided with limiting stand (14-1) and equal two convexes (14-4) with screw, the screw line of centres of two screws is vertical with two risers and by the center of screwed hole of centre (14-2), limiting stand (14-1) is positioned on the described screw line of centres and near one of them convex (14-4), two risers all have level and coaxial circular hole, the coaxial cable of two circular holes and the described screw line of centres are in same vertical guide, two upper drift angles of two risers are equipped with chamfering, the tip that screw (16) and screw (16) are all housed on fillet surface stretches in corresponding circular hole, the middle part of ball pin (15) is spherical drum type body (15-3), in the both ends of the surface of spherical drum type body (15-3), be respectively equipped with the small column of limit shaft (15-2) and inverted T-shaped right cylinder (15-1) and inverted T-shaped right cylinder (15-1) with external thread, spherical drum type body (15-3), limit shaft (15-2) is coaxial with inverted T-shaped right cylinder (15-1), the limit shaft (15-2) of ball pin (15) is positioned at the rectangular channel (11-2) of base (11) and forms clearance fit, the screwed hole of centre (14-2) of the thread end of inverted T-shaped right cylinder (15-1) and base (14) is connected, spherical drum type body (15-3) is arranged in the ball chamber of two ball pin seats (13) formation and forms spherical pair, two ball pin seats (13) and base (11) be connected and the lower surface of spherical drum type body (15-3) of ball pin (15) and the upper face of base (11) between leave the gap of 3mm～5mm, between the lower surface of the upper surface of two ball pin seats (13) and base (14) transverse slat, leave the gap of 3mm～5mm, the thread end of two pitching handwheels (19) is threaded with two convexes (14-4) of base (14) and the other end of two pitching handwheels (19) withstands on base (11), the thread end of two orientation handwheels (12) is threaded with two orientation adjustment seats (11-1) of base (11) respectively and threaded end all withstands on two relative sides of described limiting stand (14-1),
The solid ring flange end face of the column (5) of described lifting assembly and the triangle platen (1-3) of leveling platform (1) are connected, and support plate (10) is connected with the base (11) of angle trimming assembly.
2. the supporting micromatic setting for preset lens optical axis alignment according to claim 1, is characterized in that: described orientation handwheel (12) is T shape right cylinder, and its small cylinder is hemisphere with external thread and threaded end; Pitching handwheel (19) is three rank right cylinders, and epimere right cylinder is provided with external thread, and hypomere right cylinder is that the lower end of polished rod and polished rod is hemisphere, and stage casing cylinder diameter is greater than annular knurl on upper and lower section of right cylinder and the face of cylinder.
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| CN201410001653.1A CN103777301B (en) | 2014-01-01 | 2014-01-01 | For the supporting micromatic setting of preset lens optical axis alignment |
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| CN201410001653.1A CN103777301B (en) | 2014-01-01 | 2014-01-01 | For the supporting micromatic setting of preset lens optical axis alignment |
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