CN109633602B - Fine adjustment device of flat plate mechanism for light path butt joint - Google Patents
Fine adjustment device of flat plate mechanism for light path butt joint Download PDFInfo
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- CN109633602B CN109633602B CN201811458357.9A CN201811458357A CN109633602B CN 109633602 B CN109633602 B CN 109633602B CN 201811458357 A CN201811458357 A CN 201811458357A CN 109633602 B CN109633602 B CN 109633602B
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- flat glass
- shaft
- screw
- shaft seat
- main body
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
Abstract
The application discloses a fine adjustment device of a flat plate mechanism for optical path butt joint, which can change the propagation direction of an optical path through adjusting the left and right directions and the height directions of the flat plate mechanism so as to realize the optical path butt joint. The device is characterized by small volume and compact structure; the adjustment precision is high, and fine adjustment can be realized through calculation of different transmission ratios according to the actual needs of the light path; the reliability is high, and the adjusting clearance is eliminated through the limiting mechanism, the spring and the like, so that the mechanism can resist the tests such as impact, vibration and the like. The whole structure of the application can realize the butt joint of light paths of different wave bands, and ensure that the parallelism of the optical axis meets the technical index of photoelectric products. The fine tuning device has the advantages of smaller overall mechanism size, high precision and high reliability, and meets the requirements of complex multi-optical-path structure, small space volume and high precision requirement of photoelectric products.
Description
Technical Field
The application relates to the technical field of photoelectric comprehensive observing and aiming equipment, in particular to a fine adjustment device of a flat plate mechanism for optical path butt joint.
Background
Along with the development of photoelectric technology, in order to adapt to all-weather observation, tracking and measurement of a measured target, photoelectric observation products are gradually developed into a complex of a plurality of optical systems such as visible light, near infrared, medium wave infrared, far infrared, laser ranging and the like. In order to achieve consistency in viewing and measurement of a multi-optical axis system, optical axes between the multi-optical axis systems need to be butted and kept parallel within a certain accuracy range.
Disclosure of Invention
The application aims to provide a fine adjustment device of a flat plate mechanism for optical path butt joint, which is reasonable in structure.
In order to achieve the above purpose, the application is implemented according to the following technical scheme: the fine adjustment device of the flat plate mechanism for the butt joint of the light paths comprises a main body, a shaft seat, flat glass and a flat glass frame, wherein the flat glass is arranged in the flat glass frame, two short shafts extend out of two sides of one end of the flat glass frame, and two wings extend out of the direction perpendicular to the short shafts; the front end of the shaft seat is provided with a fork-shaped shaft hole, and two short shafts of the flat glass frame are arranged in the fork-shaped shaft hole in a matched manner; the rear part of the shaft seat is a long shaft, the main body is provided with a shaft hole, and the shaft seat is rotatably arranged in the shaft hole through the long shaft; a through hole is formed in the main body and located at one side of the shaft seat, a rotatable screw sleeve A is arranged in the through hole, a screw rod A is matched in the screw sleeve A, and the upper end of the screw rod A props against one side wing of the flat glass frame; a groove is formed in the main body and positioned on the other side of the shaft seat, a lead frame is nested in the groove, a pressure spring is arranged in a cavity between the lead frame and the groove, and the pressure spring drives the lead frame to contact with wings on the other side of the flat glass frame; the long shaft tail end of the shaft seat is sleeved with a worm wheel, a worm meshed with the worm wheel is arranged on the main body at the side edge of the worm wheel, a screw hole is formed in the other side of the main body, a screw sleeve B is rotationally connected with the screw hole, a screw B is matched with the screw sleeve B, a bevel gear is arranged at the head of the screw B, and the bevel gear is meshed with the worm.
Preferably, a torsion spring for jacking is sleeved on the shaft between the worm wheel and the shaft seat.
Preferably, a limiting block for limiting the screw A is arranged at the tail of the screw sleeve A, and the limiting block is fixed on the screw sleeve AA through a limiting pin.
Preferably, a limit screw is arranged on one side of the main body, which is positioned on the worm wheel.
Compared with the prior art, the application has the beneficial effects that: the screw sleeve A drives the screw rod A to move back and forth, the screw rod A pushes one side wing of the upper flat glass frame or the pressure spring drives the lead frame to push the other side wing, and the screw rod A and the lead frame interact with each other to change the light path in the X direction of the flat glass frame; the screw sleeve B drives the screw rod B, the bevel gear at the head part of the screw rod B drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the shaft seat to integrally rotate, so that the light path adjustment in the Y direction of the flat glass is realized.
The device can change the propagation direction of the light path through adjusting the left and right directions and the height direction of the flat plate mechanism, so as to realize the butt joint of the light path. The device is characterized by small volume and compact structure; the adjustment precision is high, and fine adjustment can be realized through calculation of different transmission ratios according to the actual needs of the light path; the reliability is high, and the adjusting clearance is eliminated through the limiting mechanism, the spring and the like, so that the mechanism can resist the tests such as impact, vibration and the like.
The whole structure of the application can realize the butt joint of light paths of different wave bands, and ensure that the parallelism of the optical axis meets the technical index of photoelectric products. The fine tuning device has the advantages of smaller overall mechanism size, high precision and high reliability, and meets the requirements of complex multi-optical-path structure, small space volume and high precision requirement of photoelectric products.
The mechanism can be used for any multispectral photoelectric observation product, realizes the butt joint of light paths of different wave bands, is convenient for the product to realize the comprehensive design of multispectral common light paths, reduces the space size of the whole product, and is beneficial to realizing the light weight, universalization and modularization of the whole product.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present application.
Fig. 2 is A-A view of fig. 1.
Fig. 3 is a view B-B of fig. 1.
Fig. 4 is a view of fig. 1 from C-C.
Detailed Description
The application will be further described with reference to the accompanying drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the application are for purposes of illustration, but are not intended to be limiting.
As shown in fig. 1-4, a fine tuning device of a flat plate mechanism for optical path butt joint comprises a main body 4, a shaft seat 3, flat glass 1 and a flat glass frame 2, wherein the flat glass 1 is installed in the flat glass frame 2, two short shafts 201 extend out of two sides of one end of the flat glass frame 2, and two wings 202 extend out of the direction perpendicular to the short shafts 201; the front end of the shaft seat 3 is provided with a fork-shaped shaft hole, and two short shafts of the flat glass frame 2 are arranged in the fork-shaped shaft hole in a matching way; the rear part of the shaft seat 3 is a long shaft 301, the main body 4 is provided with a shaft hole, and the shaft seat 3 is rotatably arranged in the shaft hole through the long shaft; a through hole is formed in the main body 4 and positioned on one side of the shaft seat 3, a rotatable screw sleeve A is arranged in the through hole, a screw rod A is matched in the screw sleeve A, and the upper end of the screw rod A props against one side wing of the flat glass frame 2; a groove is formed in the main body 4 and positioned on the other side of the shaft seat 3, a lead frame 9 is nested in the groove, a pressure spring 8 is arranged in a cavity between the lead frame 9 and the groove, and the pressure spring 8 drives the lead frame 9 to contact with wings on the other side of the flat glass frame 2; the long shaft tail end of the shaft seat 3 is sleeved with a worm wheel 13, a worm 10 meshed with the worm wheel 13 is arranged on the main body 4 at the side edge of the worm wheel 13, a screw hole is formed in the other side of the main body 4, a screw sleeve B is connected to the screw hole in a rotating mode, a screw B12 is matched with the screw sleeve B, a bevel gear 11 is arranged at the head of the screw B12, and the bevel gear 11 is meshed with the worm 10.
In practical application, the flat glass 1 is installed in the flat glass frame 2, and the short shaft 201 of the flat glass frame 2 and the hole grinding of the shaft seat 3 ensure that the flat glass frame 2 rotates smoothly in the shaft seat 3. The long shaft 301 of the shaft seat 3 rotates smoothly in the main body 4. Screw A5 grinds with thread insert A6, and thread insert A6 grinds with main part 4, installs thread insert A6 in main part 4, and then chucking with retaining ring 7. Screw A5 is screwed in, and the stopper 17 is used for positioning. And the screw sleeve A6 is rotated, so that the screw A5 is ensured to move stably. And meanwhile, the pressure spring 8 acts to tightly press the column head of the lead frame 9 against the other side of the flat glass frame 2. The stopper pin 16 is a stopper pin, and prevents the screw A5 from falling off due to rotation. At this time, the flat glass 1 rotates along the rotation axis of the flat glass frame 2.
The screw B12 is rotated to drive the straight bevel gear 11 and the worm 10 to drive the worm wheel 13 to rotate, so that the shaft seat 3 connected with the worm wheel 13 rotates to drive the flat glass 1 to rotate along the axial direction of the shaft seat 3. The torsion spring 15 eliminates the clearance between the worm wheel 13 and the worm 10, and the limit screw 14 is the limit position of the rotation of the worm wheel 13. Before installation, the shaft seat 3 is ground with the main body 4, the worm 10 is ground with the worm wheel 13, the worm 10 is ground with the straight bevel gear 11, smooth movement of the transmission mechanism is ensured, and rotation of the plate glass 1 around the axial direction of the shaft seat 3 is realized.
The screw sleeve A6 drives the screw rod A5 to move back and forth, the screw rod A5 pushes one side wing of the upper flat glass frame 2 or the pressure spring 8 drives the lead frame 9 to push the other side wing, and the screw rod A6 and the pressure spring interact with each other to realize that the X direction of the flat glass frame 2 changes the light path; the screw sleeve B drives the screw rod B12, the bevel gear 11 at the head of the screw rod B12 drives the worm 10 to rotate, the worm 10 drives the worm wheel 13 to rotate, and the worm wheel 13 drives the shaft seat 3 to integrally rotate, so that the light path adjustment of the flat glass in the Y direction is realized.
The technical scheme of the application is not limited to the specific embodiment, and all technical modifications made according to the technical scheme of the application fall within the protection scope of the application.
Claims (4)
1. A micromatic setting that is used for dull and stereotyped mechanism of light path butt joint, its characterized in that: the flat glass comprises a main body, a shaft seat, flat glass and a flat glass frame, wherein the flat glass is arranged in the flat glass frame, two short shafts extend out of two sides of one end of the flat glass frame, and two wings extend out of the direction perpendicular to the short shafts; the front end of the shaft seat is provided with a fork-shaped shaft hole, two short shafts of the flat glass frame are arranged in the fork-shaped shaft hole in a matched mode, and the short shafts of the flat glass frame and the fork-shaped shaft hole of the shaft seat are ground to ensure that the flat glass frame smoothly rotates in the shaft seat; the rear part of the shaft seat is a long shaft, the main body is provided with a shaft hole, the shaft seat is rotatably arranged in the shaft hole through the long shaft, and the long shaft of the shaft seat smoothly rotates in the main body; a through hole is formed in the main body and located at one side of the shaft seat, a rotatable screw sleeve A is arranged in the through hole, a screw rod A is matched in the screw sleeve A, and the upper end of the screw rod A props against one side wing of the flat glass frame; a groove is formed in the main body and positioned on the other side of the shaft seat, a lead frame is nested in the groove, a pressure spring is arranged in a cavity between the lead frame and the groove, and the pressure spring drives the lead frame to contact with wings on the other side of the flat glass frame; the long shaft tail end of the shaft seat is sleeved with a worm wheel, a worm meshed with the worm wheel is arranged on the main body at the side edge of the worm wheel, a screw hole is formed in the other side of the main body, a screw sleeve B is rotationally connected with the screw hole, a screw B is matched with the screw sleeve B, a bevel gear is arranged at the head of the screw B, and the bevel gear is meshed with the worm.
2. The fine tuning device for a flat panel mechanism for optical path docking according to claim 1, wherein: and a torsion spring for compacting is sleeved on the shaft between the worm wheel and the shaft seat.
3. The fine tuning device for a flat panel mechanism for optical path docking according to claim 1, wherein: the tail of the screw sleeve A is provided with a limiting block for limiting the screw rod A, and the limiting block is fixed on the screw sleeve A through a limiting pin.
4. The fine tuning device for a flat panel mechanism for optical path docking according to claim 1, wherein: and a limit screw is arranged on one side of the main body, which is positioned on the worm wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458357.9A CN109633602B (en) | 2018-11-30 | 2018-11-30 | Fine adjustment device of flat plate mechanism for light path butt joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811458357.9A CN109633602B (en) | 2018-11-30 | 2018-11-30 | Fine adjustment device of flat plate mechanism for light path butt joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109633602A CN109633602A (en) | 2019-04-16 |
| CN109633602B true CN109633602B (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811458357.9A Active CN109633602B (en) | 2018-11-30 | 2018-11-30 | Fine adjustment device of flat plate mechanism for light path butt joint |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110673288B (en) * | 2019-10-17 | 2021-11-05 | 河南平原光电有限公司 | Fine adjustment mechanism for light path correction |
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| JPH05323166A (en) * | 1992-05-18 | 1993-12-07 | Asahi Optical Co Ltd | Optical path adjusting device |
| JP2007057619A (en) * | 2005-08-22 | 2007-03-08 | Ricoh Opt Ind Co Ltd | Optical path adjusting apparatus and light source unit |
| CN101251598A (en) * | 2008-04-08 | 2008-08-27 | 中国科学院安徽光学精密机械研究所 | Method and apparatus rapidly regulating lidar transmit-receive system light path coaxial |
| JP2010256772A (en) * | 2009-04-28 | 2010-11-11 | National Institute Of Information & Communication Technology | Movable mirror mechanism |
| CN102121985A (en) * | 2010-12-23 | 2011-07-13 | 福州福特科光电有限公司 | Secondary optical path focusing structure in receiving module of laser radar ranging system |
| CN102393556A (en) * | 2011-12-07 | 2012-03-28 | 河南平原光电有限公司 | Double track partition adjusting mechanism |
| JP2015143540A (en) * | 2014-01-31 | 2015-08-06 | キヤノン株式会社 | Worm reduction mechanism and pan head device using the same |
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| CN209624767U (en) * | 2018-11-30 | 2019-11-12 | 河南平原光电有限公司 | A kind of micromatic setting of the treadmill body for optical path docking |
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2018
- 2018-11-30 CN CN201811458357.9A patent/CN109633602B/en active Active
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| JPH05323166A (en) * | 1992-05-18 | 1993-12-07 | Asahi Optical Co Ltd | Optical path adjusting device |
| JP2007057619A (en) * | 2005-08-22 | 2007-03-08 | Ricoh Opt Ind Co Ltd | Optical path adjusting apparatus and light source unit |
| CN101251598A (en) * | 2008-04-08 | 2008-08-27 | 中国科学院安徽光学精密机械研究所 | Method and apparatus rapidly regulating lidar transmit-receive system light path coaxial |
| JP2010256772A (en) * | 2009-04-28 | 2010-11-11 | National Institute Of Information & Communication Technology | Movable mirror mechanism |
| CN102121985A (en) * | 2010-12-23 | 2011-07-13 | 福州福特科光电有限公司 | Secondary optical path focusing structure in receiving module of laser radar ranging system |
| CN102393556A (en) * | 2011-12-07 | 2012-03-28 | 河南平原光电有限公司 | Double track partition adjusting mechanism |
| JP2015143540A (en) * | 2014-01-31 | 2015-08-06 | キヤノン株式会社 | Worm reduction mechanism and pan head device using the same |
| CN107144934A (en) * | 2017-06-12 | 2017-09-08 | 中国科学院西安光学精密机械研究所 | Optical axis indicates governor motion and its indicates adjusting method |
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