CN117207096A

CN117207096A - Auxiliary calibration equipment for optical instrument

Info

Publication number: CN117207096A
Application number: CN202310951558.7A
Authority: CN
Inventors: 王志峰
Original assignee: Nantong Tengfeng Optical Instrument Co ltd
Current assignee: Nantong Tengfeng Optical Instrument Co ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2023-12-12

Abstract

The invention discloses auxiliary calibration equipment for an optical instrument, which comprises an operation table, a placement frame and a bidirectional screw rod, wherein an angle adjusting mechanism is arranged between the operation table and the placement frame, a first limiting chute and a second limiting chute are formed in the top end of the operation table, the bidirectional screw rod penetrates through one side of the operation table and the first limiting chute and stretches into the second limiting chute, the outer wall of the bidirectional screw rod is rotationally connected with the operation table through a first bearing, one end of the bidirectional screw rod is rotationally connected with the inner wall of the second limiting chute through a second bearing, and the clamping limiting mechanism is arranged, so that the optical instrument can be clamped and limited transversely and longitudinally at the same time, the stability of the optical instrument on the operation table can be greatly improved, the calibration precision of the optical instrument is ensured, and the problems that the optical instrument can only be clamped and limited transversely in a comparison file, the optical instrument is likely to slide longitudinally and the stability is defective are solved, and the calibration precision of the optical instrument is affected are solved.

Description

Auxiliary calibration equipment for optical instrument

Technical Field

The invention relates to the technical field of optical instruments, in particular to auxiliary calibration equipment for an optical instrument.

Background

The optical instrument is composed of a single or a combination of a plurality of optical devices. Optical instruments are mainly divided into two major categories, one is an imaging optical instrument, such as a slide projector, a camera and the like; another type is an optical instrument forming a virtual image, such as a sighting telescope, a microscope, a magnifying glass, etc., and when the optical instrument is used before or after a period of time, in order to make experimental data more accurate, the optical instrument needs to be calibrated, so that an auxiliary calibration device of the optical instrument is used;

according to chinese patent, an auxiliary calibration device for an optical instrument is disclosed, with the publication number: CN215296613U, this patent is through mount pad and rack convenient to mount the subassembly, the optical instrument is conveniently placed to the operation panel, can adjust the angle of optical instrument through slewing mechanism, can fix the optical instrument on the operation panel through fixed establishment, fixed effect is good, can fix the optical instrument of different specifications, it is comparatively nimble to use, the rubber pad can avoid causing the damage to the optical instrument at the optical instrument fixed process, can adjust the angle of optical instrument through adjustment mechanism, the interact of worm wheel and worm, make angle adjustment more accurate, the interaction through carousel and bull stick is convenient to rotate the worm, can adjust the height of operation panel through the effect of hydraulic stem, let staff work more comfortable;

however, in the patent, only the optical instrument can be clamped and limited transversely, so that the optical instrument is likely to slide in the longitudinal direction, the stability is defective, the calibration precision of the optical instrument is affected, the operating table can only tilt forwards and backwards, the angle of the optical instrument on the operating table can only be adjusted in one direction, the use limitation is high, and the use is inconvenient, and therefore, the auxiliary calibration equipment for the optical instrument is provided.

Disclosure of Invention

The present invention is directed to an auxiliary calibration device for an optical instrument, which solves the above-mentioned problems of the related art.

In order to solve the technical problems, the invention provides the following technical scheme: the auxiliary calibration device for the optical instrument comprises an operation table, a placement frame and a bidirectional screw rod, wherein an angle adjusting mechanism is arranged between the operation table and the placement frame, a first limit sliding groove and a second limit sliding groove are formed in the top end of the operation table, the bidirectional screw rod penetrates through one side of the operation table and the first limit sliding groove to extend into the second limit sliding groove, the outer wall of the bidirectional screw rod is rotationally connected with the operation table through a first bearing, one end of the bidirectional screw rod is rotationally connected with the inner wall of the second limit sliding groove through a second bearing, a first limit sliding plate and a second limit sliding plate are respectively and slidably connected with the first limit sliding groove and the second limit sliding groove, the first limit sliding plate and the second limit sliding plate are sleeved on the outer wall of the bidirectional screw rod in a threaded mode, clamping plates are fixedly installed on the top ends of the first limit sliding plate and the second limit sliding plate, and clamping and limiting mechanisms are arranged on the clamping plates;

the clamping limiting mechanism comprises a push rod, a first limiting plate and a second limiting plate, wherein a first rod hole is formed in the clamping plate, the push rod movably penetrates the clamping plate through the first rod hole, a retaining plate is fixedly arranged at one end of the push rod, a moving block is fixedly arranged at the other end of the push rod, a second folding plate and a first folding plate are hinged to the front end and the rear end of the moving block respectively, a first plate groove and a second plate groove are formed in the clamping plate, limiting rods are fixedly arranged on the inner walls of the first plate groove and the second plate groove respectively, the first limiting plate and the second limiting plate are in sliding connection with the first plate groove and the second plate groove respectively, the first limiting plate and the second limiting plate are movably penetrated by the second limiting plate through the first rod hole, the first folding plate and the second folding plate are hinged to the first limiting plate and the second limiting plate respectively, a spring is arranged on the outer wall of the push rod in a surrounding mode, the outer side of the retaining plate is fixedly arranged at one end of the spring, and the other end of the spring is fixedly arranged on the inner side of the clamping plate.

According to the technical scheme, the rotating plate is fixedly arranged at the other end of the bidirectional screw rod, the clamping pad is fixedly arranged on the inner side of the resisting plate, and personnel can conveniently rotate the bidirectional screw rod through the rotating plate by arranging the rotating plate, so that personnel operation is facilitated, hard collision between the resisting plate and an optical instrument can be avoided by arranging the clamping pad, abrasion is reduced, a certain protection effect is achieved on the optical instrument, and the practicability is high.

According to the technical scheme, the ejector rod is matched with the first rod hole, the limiting rod is matched with the rod Kong Erxiang, and the limiting rod is arranged to limit the first limiting plate and the second limiting plate, so that the stability of the first limiting plate and the second limiting plate in use is improved.

According to the technical scheme, angle modulation mechanism includes slide bar, movable frame, sliding sleeve, bracing piece, operation panel bottom fixed mounting has the ball hinge, the operation panel passes through ball hinge and bracing piece articulated, bracing piece fixed mounting is placing frame inner wall bottom, the bracing piece outer wall is equipped with the carousel through three cover that rotates of bearing, carousel top fixed mounting has the support column, support column top fixed mounting has the lug second, set up the post hole on the carousel, peg graft in the post hole has the spacing post, spacing post top fixed mounting has the lug third, spacing post outer wall has around spring second, two one end fixed mounting of spring is at three bottom of lug, two other end fixed mounting of spring are at the carousel top, operation panel bottom fixed mounting has the lug first, place frame tetrahedron and open the frame groove, movable frame both sides fixed mounting has spacing slide third, spacing slide third and three sliding connection of frame groove inner wall offer, sliding sleeve outer wall fixed mounting has even axle, even axle one end is through bearing four rotation connection at the movable frame inner wall, movable sleeve has the lug motor to install at the movable frame outer wall, movable sleeve is at two fixed mounting of sliding sleeve, but the fixed mounting has the pivot, the gear housing has the fixed mounting has the pivot to the pivot under the fixed mounting of the gear.

According to the technical scheme, the number of the sliding rods is four, the four sliding rods are arranged on four sides of the operation table respectively, and through the arrangement of the sliding rods, the operation table can realize limited sliding, and normal operation of the angle inclination of the operation table is ensured.

According to the technical scheme, the number of the third protruding blocks is three, the number of the first protruding blocks is four, and the first protruding blocks are respectively arranged at the bottom end of the operating platform and close to four sides.

According to the technical scheme, carousel bottom fixed mounting has fixed plate one and fixed plate two, be connected with the bull stick through five rotations of bearing between fixed plate one and the fixed plate two, bull stick outer wall fixed cover is equipped with spacing roller, spacing annular has been seted up to placing frame inner wall bottom, spacing roller and spacing annular roll connection.

According to the technical scheme, the number of the limit rollers is four, and the limit rollers are matched with the limit ring grooves.

According to the technical scheme, place frame bottom fixed mounting and have electric putter, electric putter bottom fixed mounting has the base, through setting up electric putter, start electric putter can realize optical instrument's altitude mixture control.

According to the technical scheme, the clamp pad is made of wear-resistant rubber, so that the service life of the clamp pad is prolonged.

Compared with the prior art, the invention has the following beneficial effects:

(1) The auxiliary calibration equipment for the optical instrument can simultaneously carry out transverse and longitudinal clamping and limiting on the optical instrument by arranging the clamping and limiting mechanism, so that the stability of the optical instrument on an operation table can be greatly improved, the calibration precision of the optical instrument is ensured, and the problems that the optical instrument is likely to slide in the longitudinal direction and has defects due to the fact that the optical instrument can only be transversely clamped and limited in a comparison file are solved, and the calibration precision of the optical instrument is influenced are solved;

(2) The auxiliary calibration equipment for the optical instrument can realize forward, backward, leftward and rightward inclination of the optical instrument by arranging the angle adjusting mechanism, realizes multidirectional angle inclination, does not need to clamp the optical instrument again, is convenient to use, reduces the use limitation of the equipment, and solves the problems that an operation table in a comparison document can only incline forward and backward, so that the optical instrument on the operation table can only adjust the angle in one direction, the use limitation is higher and the use is inconvenient;

(3) The auxiliary calibration equipment for the optical instrument can play a certain supporting role on the rotary table through the joint cooperation of the first fixing plate, the second fixing plate, the limiting roller, the rotary rod and the limiting ring groove, so that the stability of the rotary table during rotation is improved, the normal operation of an angle adjusting structure is ensured, and the practicability is strong;

(4) The auxiliary calibration equipment for the optical instrument can avoid hard collision between the bearing plate and the optical instrument by arranging the clamping pad, reduce abrasion, play a certain protection role on the optical instrument, and have strong practicability.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of a front cross-sectional structure of the present invention;

FIG. 3 is a schematic view showing the internal structure of the placement frame of the present invention;

FIG. 4 is an enlarged view of the portion A of FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the portion B of FIG. 2 according to the present invention;

FIG. 6 is an enlarged view of the structure of portion C of FIG. 2 according to the present invention;

FIG. 7 is an enlarged view of the portion D of FIG. 1 according to the present invention;

fig. 8 is an enlarged view of the E part of fig. 1 according to the present invention.

In the figure: 1. an operation table; 2. placing a frame; 3. a clamping and limiting mechanism; 4. an angle adjusting mechanism; 5. a two-way screw rod; 6. a first limiting chute; 7. a first limit sliding plate; 8. a limiting slide plate II; 9. a limiting chute II; 10. a clamping plate; 11. a rotating plate; 12. a clamping pad; 13. a first fixing plate; 14. a second fixing plate; 15. a limit roller; 16. a rotating rod; 17. a limit ring groove; 18. an electric push rod; 19. a base; 301. a push rod; 302. a retaining plate; 303. a first spring; 304. a moving block; 305. folding a first plate; 306. a first limiting plate; 307. a first plate groove; 308. folding a second plate; 309. a limiting plate II; 310. a second plate groove; 311. a first rod hole; 312. a limit rod; 313. a second rod hole; 401. a slide bar; 402. a moving frame; 403. a frame groove; 404. a limit sliding plate III; 405. a sliding sleeve; 406. a connecting shaft; 407. a support rod; 408. a ball hinge; 409. a turntable; 410. a motor; 411. a short rotating shaft; 412. a gear; 413. a ring gear plate; 414. a first bump; 415. a second bump; 416. a support column; 417. a third bump; 418. a limit column; 419. a second spring; 420. and (5) a column hole.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

the preferred embodiment of the auxiliary calibration device for an optical instrument provided by the present invention is shown in fig. 1 to 8: the auxiliary calibration device for the optical instrument comprises an operation table 1, a placement frame 2 and a bidirectional screw rod 5, wherein an angle adjusting mechanism 4 is arranged between the operation table 1 and the placement frame 2, a first limit sliding groove 6 and a second limit sliding groove 9 are formed in the top end of the operation table 1, the bidirectional screw rod 5 penetrates through one side of the operation table 1 and the first limit sliding groove 6 to extend into the second limit sliding groove 9, the outer wall of the bidirectional screw rod 5 is rotationally connected with the operation table 1 through a first bearing, one end of the bidirectional screw rod 5 is rotationally connected with the inner wall of the second limit sliding groove 9 through a second bearing, a first limit sliding plate 7 and a second limit sliding plate 8 are respectively and slidably connected in the first limit sliding groove 6 and the second limit sliding groove 9, the first limit sliding plate 7 and the second limit sliding plate 8 are sleeved on the outer wall of the bidirectional screw rod 5 in a threaded manner, clamping plates 10 are fixedly arranged at the top ends of the first limit sliding plate 7 and the second limit sliding plate 8, and clamping limiting mechanisms 3 are arranged on the clamping plates 10;

further, an electric push rod 18 is fixedly arranged at the bottom end of the placement frame 2, and a base 19 is fixedly arranged at the bottom end of the electric push rod 18;

wherein, by setting the electric push rod 18, the electric push rod 18 is started to realize the height adjustment of the optical instrument.

The clamping and limiting mechanism 3 comprises a push rod 301, a first limiting plate 306 and a second limiting plate 309, wherein a first rod hole 311 is formed in the clamping plate 10, the push rod 301 movably penetrates through the clamping plate 10 through the first rod hole 311, a retaining plate 302 is fixedly arranged at one end of the push rod 301, a moving block 304 is fixedly arranged at the other end of the push rod 301, a second folding plate 308 and a first folding plate 305 are respectively hinged to the front end and the rear end of the moving block 304, a first plate groove 307 and a second plate groove 310 are formed in the clamping plate 10, limiting rods 312 are fixedly arranged on the inner walls of the first plate groove 307 and the second plate groove 310, the first limiting plate 306 and the second limiting plate 309 are respectively in sliding connection with the first plate groove 307 and the second plate groove 310, a second rod hole 313 is formed in the first limiting plate 306 and the second limiting plate 309, the two limiting rods 312 movably penetrate through the first limiting plate 306 and the second limiting plate 309 respectively through the second rod hole 313, the first folding plate 305 and the second folding plate 308 are respectively hinged to the first limiting plate 306 and the second limiting plate 309, a spring 303 is arranged around the outer wall of the push rod 301, one end of the retaining plate 303 is fixedly arranged on the outer side of the retaining plate 302, and the other end of the spring 303 is fixedly arranged at the inner side of the other end of the spring 303, and the other end is fixedly arranged on the clamping plate 10.

In the above technical solution, specifically, the rotating plate 11 is rotated, the rotating plate 11 drives the bidirectional screw rod 5 to rotate, the bidirectional screw rod 5 drives the first limiting slide plate 7 and the second limiting slide plate 8 to mutually approach, the first limiting slide plate 7 and the second limiting slide plate 8 respectively drive the clamping plate 10 connected with the first limiting slide plate 7 and the second limiting slide plate 8 to mutually approach the optical instrument, the clamping plate 10 drives the ejector rod 301 to move, the ejector rod 301 drives the abutting plate 302 to approach the optical instrument, the abutting plate 302 compresses the first spring 303, the abutting plate 302 drives the ejector rod 301 to move towards the clamping plate 10, the ejector rod 301 drives the moving block 304 to move towards a direction far away from the clamping plate 10, the moving block 304 drives the first folding plate 305 and the second folding plate 308 to mutually approach the limiting plate 306, the first limiting plate 306 and the second limiting plate 309 respectively, and the optical instrument can be longitudinally clamped and limited by the limiting plate 306, the optical instrument can be simultaneously transversely and longitudinally clamped and limited by the mechanism, so that the stability of the optical instrument on the operating table 1 can be greatly improved, the optical instrument can be calibrated, and the accuracy of the optical instrument can be compared with the optical instrument can be only transversely clamped by the optical instrument, and the optical instrument can be calibrated, and the accuracy can be greatly influenced by the optical instrument.

Further, the other end of the bidirectional screw rod 5 is fixedly provided with a rotating plate 11, and the inner side of the abutting plate 302 is fixedly provided with a clamping pad 12;

wherein, through setting up the rotating plate 11, can make things convenient for personnel to rotate two-way lead screw 5 through rotating plate 11 to be convenient for personnel's operation, through setting up clamp pad 12, can avoid producing hard collision between plate 302 and the optical instrument, reduce wearing and tearing, play certain guard action to the optical instrument, the practicality is strong.

Further, the ejector rod 301 is matched with the first rod hole 311, and the limit rod 312 is matched with the second rod hole 313;

by arranging the limiting rod 312, the limiting plate one 306 and the limiting plate two 309 can be limited, and the stability of the limiting plate one 306 and the limiting plate two 309 in use is improved.

Further, the clamp pad 12 is made of wear-resistant rubber, so that the service life of the clamp pad 12 is prolonged.

Embodiment two:

on the basis of the first embodiment, a preferred embodiment of the auxiliary calibration device for an optical instrument according to the present invention is shown in fig. 1 to 8: the angle adjusting mechanism 4 comprises a slide bar 401, a movable frame 402, a sliding sleeve 405 and a supporting rod 407, wherein the bottom end of the operating platform 1 is fixedly provided with a ball hinge 408, the operating platform 1 is hinged with the supporting rod 407 through the ball hinge 408, the supporting rod 407 is fixedly arranged at the bottom end of the inner wall of the placing frame 2, the outer wall of the supporting rod 407 is provided with a rotary table 409 through a bearing three-rotation sleeve, the top end of the rotary table 409 is fixedly provided with a supporting column 416, the top end of the supporting column 416 is fixedly provided with a second lug 415, the rotary table 409 is provided with a column hole 420, a limit column 418 is inserted in the column hole 420, the top end of the limit column 418 is fixedly provided with a third lug 417, the outer wall of the limit column 418 is surrounded with a second spring 419, one end of the second spring 419 is fixedly arranged at the bottom end of the third lug 417, the other end of the second spring 419 is fixedly arranged at the top end of the rotary table 409, the bottom end of the operating platform 1 is fixedly provided with a first lug 414, the placing frame 2 is provided with four sides of a frame groove 403, the three sides of the movable frame 402 are fixedly provided with a third limit sliding plate 404, the third limit sliding plate 404 is in sliding connection with a third limit sliding groove formed in the inner wall of the frame groove 403, the outer wall of the sliding sleeve 405 is fixedly provided with a connecting shaft 406, one end of the connecting shaft 406 is rotatably connected to the inner wall of the movable frame 402 through a fourth bearing, the sliding sleeve 405 is movably sleeved on the outer wall of the sliding rod 401, the sliding rod 401 is fixedly arranged on the outer wall of the operating platform 1, the bottom end of the inner wall of the placement frame 2 is fixedly provided with a motor 410, the output end of the motor 410 is fixedly provided with a short rotating shaft 411, the top end of the short rotating shaft 411 is fixedly provided with a gear 412, the outer wall of the rotating disc 409 is fixedly sleeved with a ring toothed plate 413, the gear 412 is meshed with the ring toothed plate 413, and the third limit column 418 and the second spring 419 are arranged to support the operating platform 1, so that the stability of the operating platform 1 in a horizontal state is ensured.

In the above technical solution, when the angle of the optical instrument needs to be adjusted, the motor 410 may be started, the motor 410 drives the short rotating shaft 411 to rotate, the short rotating shaft 411 drives the gear 412 to rotate, the gear 412 drives the ring gear 413 to rotate, the ring gear 413 drives the turntable 409 to rotate, the turntable 409 drives the second bump 415 and the third bump 417 to do circular motion through the support post 416 and the limit post 418, when the second bump 415 moves to be in contact with the first bump 414, the second bump 415 extrudes the first bump 414, the first bump 414 drives one side of the console 1 to move upwards, the other side of the console 1 moves downwards to extrude the third bump 417, so that the third bump 417 compresses the third spring, thereby realizing the inclination of the console 1, further realizing the adjustment of the angle of the optical instrument, through the mechanism, realizing the forward, backward, leftward and rightward inclination of the optical instrument, no need to clamp the optical instrument again, convenient use, reducing the use limitation of the device, and solving the problem that the console 1 can only adjust the angle in one direction, and the use limitation is higher.

Further, the number of the sliding rods 401 is four, and the four sliding rods 401 are respectively arranged on four sides of the operation table 1;

by arranging the sliding rod 401, the operation table 1 can realize limit sliding, and normal operation of the inclination of the angle of the operation table 1 is ensured.

Further, the number of the third bumps 417 is three, the number of the first bumps 414 is four, and the four first bumps 414 are respectively disposed at the bottom end of the console 1 near the four sides.

Embodiment III:

on the basis of the first and second embodiments, a preferred embodiment of the auxiliary calibration device for an optical instrument according to the present invention is shown in fig. 1 to 8: the fixed plate I13 and the fixed plate II 14 are fixedly arranged at the bottom end of the turntable 409, the rotating rod 16 is connected between the fixed plate I13 and the fixed plate II 14 through five rotations of a bearing, a limiting roller 15 is fixedly sleeved on the outer wall of the rotating rod 16, a limiting ring groove 17 is formed in the bottom end of the inner wall of the placing frame 2, and the limiting roller 15 is in rolling connection with the limiting ring groove 17.

Specifically, in the above technical scheme, the turntable 409 drives the first fixed plate 13 and the second fixed plate 14 to do circular motion when rotating, the first fixed plate 13 and the second fixed plate 14 drive the limiting roller 15 to roll in the limiting ring groove 17 through the rotating rod 16, thereby playing a certain supporting role on the turntable 409, improving the stability of the turntable 409 when rotating, ensuring the normal operation of the angle modulation structure, and having strong practicability.

Further, the number of the limit rollers 15 is four, and the limit rollers 15 are matched with the limit ring grooves 17.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Auxiliary calibration equipment for optical instrument, including operation panel (1), place frame (2), two-way lead screw (5), its characterized in that: an angle adjusting mechanism (4) is arranged between the operating platform (1) and the placement frame (2), a first limit sliding groove (6) and a second limit sliding groove (9) are formed in the top end of the operating platform (1), a bidirectional screw rod (5) penetrates through one side of the operating platform (1) and the first limit sliding groove (6) to extend into the second limit sliding groove (9), the outer wall of the bidirectional screw rod (5) is rotationally connected with the operating platform (1) through a first bearing, one end of the bidirectional screw rod (5) is rotationally connected with the inner wall of the second limit sliding groove (9) through a second bearing, a first limit sliding groove (6) and a second limit sliding groove (9) are respectively and slidably connected with a first limit sliding plate (7) and a second limit sliding plate (8), the first limit sliding plate (7) and the second limit sliding plate (8) are sleeved on the outer wall of the bidirectional screw rod (5) in a threaded mode, clamping plates (10) are fixedly arranged on the top ends of the first limit sliding plate (7) and the second limit sliding plate (8), and a clamping limiting mechanism (3) is arranged on the clamping plates (10).

The clamping and limiting mechanism (3) comprises a push rod (301), a first limiting plate (306) and a second limiting plate (309), wherein a first rod hole (311) is formed in the clamping plate (10), the push rod (301) movably penetrates through the clamping plate (10) through the first rod hole (311), a resisting plate (302) is fixedly arranged at one end of the push rod (301), a moving block (304) is fixedly arranged at the other end of the push rod (301), a second folding plate (308) and a first folding plate (305) are respectively hinged to the front end and the rear end of the moving block (304), a first plate groove (307) and a second plate groove (310) are formed in the clamping plate (10), limiting rods (312) are fixedly arranged on the inner walls of the first plate groove (307) and the second plate groove (310), the limiting plates (306) are respectively and the first plate groove (307) and the second limiting plate (309) are in sliding connection, a second rod hole (313) is formed in the other end of the push rod (304), two limiting rods (312) are respectively hinged to the second plate (309) and the first limiting plate (308) through the second plate (306) and the second limiting plate (308), the outer wall of the ejector rod (301) is surrounded by a first spring (303), one end of the first spring (303) is fixedly arranged on the outer side of the retaining plate (302), and the other end of the first spring (303) is fixedly arranged on the inner side of the clamping plate (10).

2. An auxiliary calibration device for an optical instrument according to claim 1, wherein: the other end of the bidirectional screw rod (5) is fixedly provided with a rotating plate (11), and the inner side of the retaining plate (302) is fixedly provided with a clamping pad (12).

3. An auxiliary calibration device for an optical instrument according to claim 1, wherein: the ejector rod (301) is matched with the first rod hole (311), and the limiting rod (312) is matched with the second rod hole (313).

4. An auxiliary calibration device for an optical instrument according to claim 1, wherein: the angle adjusting mechanism (4) comprises a sliding rod (401), a movable frame (402), a sliding sleeve (405) and a supporting rod (407), a ball hinge (408) is fixedly arranged at the bottom end of the operating platform (1), the operating platform (1) is hinged with the supporting rod (407) through the ball hinge (408), the supporting rod (407) is fixedly arranged at the bottom end of the inner wall of the placement frame (2), a rotary table (409) is arranged on the outer wall of the supporting rod (407) through a bearing three-rotation sleeve, a supporting column (416) is fixedly arranged at the top end of the rotary table (409), a lug II (415) is fixedly arranged at the top end of the supporting column (416), a column hole (420) is formed in the rotary table (409), a limit column (418) is inserted into the column hole (420), a lug III (417) is fixedly arranged at the top end of the limit column (418), a spring II (419) is arranged on the outer wall of the limit column (418) in a surrounding mode, one end of the spring II (419) is fixedly arranged at the bottom end of the lug III (417), the other end of the spring II (409) is fixedly arranged at the top end of the rotary table (409), a lug (403) is fixedly arranged at the bottom end of the rotary table (1), two sides of the rotary table (403) are fixedly arranged on the four sides of the movable frame (404), the three sliding connection of spacing slide (404) and spacing spout that frame groove (403) inner wall was seted up, slide sleeve (405) outer wall fixed mounting has even axle (406), even axle (406) one end is passed through four rotations of bearing and is connected at removal frame (402) inner wall, slide sleeve (405) movable sleeve is established at slide bar (401) outer wall, slide bar (401) fixed mounting is at operation panel (1) outer wall, place frame (2) inner wall bottom fixed mounting has motor (410), motor (410) output fixed mounting has short pivot (411), short pivot (411) top fixed mounting has gear (412), carousel (409) outer wall fixed cover is equipped with ring pinion rack (413), gear (412) and ring pinion rack (413) meshing.

5. An auxiliary calibration device for an optical instrument according to claim 4, wherein: the number of the sliding rods (401) is four, and the four sliding rods (401) are respectively arranged on four sides of the operating platform (1).

6. An auxiliary calibration device for an optical instrument according to claim 4, wherein: the number of the three bumps (417) is three, and the number of the one bumps (414) is four.

7. An auxiliary calibration device for an optical instrument according to claim 4, wherein: the rotary table is characterized in that a first fixed plate (13) and a second fixed plate (14) are fixedly arranged at the bottom end of the rotary table (409), a rotary rod (16) is connected between the first fixed plate (13) and the second fixed plate (14) through five rotations of a bearing, a limiting roller (15) is fixedly sleeved on the outer wall of the rotary rod (16), a limiting ring groove (17) is formed in the bottom end of the inner wall of the placement frame (2), and the limiting roller (15) is in rolling connection with the limiting ring groove (17).

8. An auxiliary calibration device for an optical instrument according to claim 7, wherein: the number of the limit rollers (15) is four, and the limit rollers (15) are matched with the limit ring grooves (17).

9. An auxiliary calibration device for an optical instrument according to claim 1, wherein: the electric push rod (18) is fixedly arranged at the bottom end of the placement frame (2), and the base (19) is fixedly arranged at the bottom end of the electric push rod (18).

10. An auxiliary calibration device for an optical instrument according to claim 2, wherein: the clamping pad (12) is made of wear-resistant rubber.