CN115016093A - Horizontal telescope and camera focusing despin mechanism thereof - Google Patents

Horizontal telescope and camera focusing despin mechanism thereof Download PDF

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Publication number
CN115016093A
CN115016093A CN202210682969.6A CN202210682969A CN115016093A CN 115016093 A CN115016093 A CN 115016093A CN 202210682969 A CN202210682969 A CN 202210682969A CN 115016093 A CN115016093 A CN 115016093A
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CN
China
Prior art keywords
focusing
camera
motor
base
despinning
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Pending
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CN202210682969.6A
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Chinese (zh)
Inventor
刘祥意
陈宝刚
王建立
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Changchun Institute of Optics Fine Mechanics and Physics of CAS
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Application filed by Changchun Institute of Optics Fine Mechanics and Physics of CAS filed Critical Changchun Institute of Optics Fine Mechanics and Physics of CAS
Priority to CN202210682969.6A priority Critical patent/CN115016093A/en
Publication of CN115016093A publication Critical patent/CN115016093A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Lens Barrels (AREA)

Abstract

The invention provides a horizontal telescope and a camera focusing despinning mechanism thereof. The despin assembly is arranged on the correction lens barrel, the focusing assembly is arranged on a motor outer ring base of the despin assembly, and the despin assembly drives the motor outer ring base through a driving motor to realize the rotary motion of a camera fixed on the focusing assembly, so that the despin purpose is achieved; the focusing assembly drives the transmission mechanism by using the focusing motor, and the transmission mechanism drives the lead screw shaft to rotate so as to realize the movement of the lower focusing seat in the focusing assembly, thereby leading the camera fixed on the focusing assembly to achieve the purpose of focusing. Through reasonable structural layout, despinning and focusing of a camera of the large-caliber large-view-field horizontal telescope are achieved in a limited space, and the fact that the telescope obtains stable and clear images within a working temperature range is guaranteed.

Description

Horizontal telescope and camera focusing despin mechanism thereof
Technical Field
The invention relates to the technical field of a horizontal photoelectric telescope and application thereof, in particular to a horizontal telescope and a camera focusing despin mechanism thereof.
Background
The deep space exploration of the photoelectric telescope is used for researching the physical processes of the formation and evolution, the distribution and the evolution of the stars so as to meet the requirement of astronomical observation; the observation basis can be provided for human space activities, and the requirements of great space activities are met; in addition, the space garbage outside the earth atmosphere can be monitored, the small planet close to the earth threatening the earth can be detected in time, and the requirement of space environment monitoring is met. At present, most of the known 1-meter-grade and above photoelectric telescopes at home and abroad are of a horizontal structure, and the horizontal photoelectric telescope is reasonable in structural layout and is more suitable for manufacturing photoelectric telescopes with larger calibers.
In the working process of the large-caliber large-view-field horizontal telescope, the view field of the telescope is relatively immovable through the horizontal ring, and the horizontal ring rotates continuously relative to the polar axis in the earth rotation process, so that the object space view field rotates. So to obtain a stable image, the camera needs to compensate for both field of view rotations by derotation; meanwhile, in the working process of the telescope, the camera needs to be focused to compensate out-of-focus influence caused by temperature change. For a large-aperture large-field-of-view horizontal telescope, the optical system is usually a newtonian optical system, and the rear intercept is usually small, so a more compact camera focusing and despinning mechanism is required to meet the focusing and despinning requirements of the camera.
Disclosure of Invention
The invention aims to provide a horizontal telescope and a camera focusing and despinning mechanism thereof, and aims to solve the technical problems that a large-caliber large-view-field horizontal telescope adopts a Newton optical system, has small intercept distance, and needs a camera focusing and despinning mechanism with a compact structure to meet the requirements of focusing and despinning of a camera.
The invention provides a camera focusing despin mechanism, which comprises a correction lens cone, wherein the top surface of the cylinder wall of the correction lens cone is downwards concavely provided with an annular groove; the despin assembly comprises a driving motor arranged in the groove and a motor outer ring base arranged above the driving motor; the inner stator of the driving motor is connected with the inner wall of the groove, and the top of the outer rotor of the driving motor is connected with the bottom of the motor outer ring base; the driving motor is used for driving the motor outer ring base to rotate by taking the central axis of the correction lens barrel as a center; the focusing assembly is arranged on the motor outer ring base and comprises a focusing motor, a transmission mechanism, a lead screw and a lower focusing seat, a lead screw shaft of the lead screw is arranged in a manner that the axial direction of the lead screw is vertical to the motor outer ring base, a nut of the lead screw is connected with the lower focusing seat, the transmission mechanism is connected with the lead screw shaft, and the output end of the focusing motor is connected with the transmission mechanism so as to drive the transmission mechanism to drive the lead screw shaft to rotate, so that the nut drives the lower focusing seat to move along the lead screw shaft, and the focusing of a camera fixed on the focusing assembly is realized; the motor outer ring base drives the focusing assembly to rotate by taking the central axis of the correction lens cone as a center so as to despin the camera.
Optionally, the rotation eliminating assembly further comprises a rotary bearing arranged in the motor outer ring base, an inner ring of the rotary bearing is connected to the inner wall of the groove, and an outer ring of the rotary bearing is connected to the motor outer ring base.
Optionally, the rotation eliminating mechanism further comprises an encoder, and the encoder is used for detecting the rotation angle of the rotation eliminating mechanism in real time.
Optionally, the racemization mechanism further comprises an encoder seat, the encoder seat is fixedly connected with the inner ring of the slewing bearing, and the encoder is mounted on the encoder seat.
Optionally, the focusing assembly further comprises a linear bearing, a connecting column, a lower base, an upper base arranged above the lower base, and an upper focusing seat arranged above the upper base;
the lower focusing seat is arranged between the lower base and the upper base, the upper focusing seat is used for fixing a camera, the upper focusing seat and the lower focusing seat are connected through the connecting column, the lower base and the upper base are connected through the guide column of the linear bearing, the guide shaft of the linear bearing is connected with the lower focusing seat, the lead screw shaft is installed between the lower base and the upper base through the bearing pre-tightening mechanism, and the focusing motor and the transmission mechanism are arranged on the upper base.
Optionally, a focusing motor seat is further disposed on the upper base for mounting the focusing motor.
Optionally, a length meter is further disposed on the upper focusing base, so as to monitor a focusing position of the camera in real time.
Optionally, the transmission mechanism includes a driving synchronous pulley, a driven synchronous pulley and a synchronous belt, the driving synchronous pulley is connected with the output end of the focusing motor, the driving synchronous pulley is transmitted by the synchronous belt with the driven synchronous pulley, and the driven synchronous pulley is mounted on the screw shaft.
Optionally, the lead screw with driven synchronous pulley is four, one driven synchronous pulley installs one on the lead screw axle, four driven synchronous pulley passes through the hold-in range connects gradually, and the equipartition is in the week side of camera.
The application also provides a horizontal telescope, which comprises a lens component and the camera focusing despinning mechanism, wherein the lens component is arranged in the correction lens barrel.
According to the technical scheme, the invention has the beneficial effects that:
the application provides a horizontal telescope and a camera focusing despinning mechanism thereof, and the camera focusing despinning mechanism comprises a correction lens cone, a despinning assembly and a focusing assembly. The despin assembly is arranged on the correction lens barrel, the focusing assembly is arranged on a motor outer ring base of the despin assembly, and the despin assembly drives the motor outer ring base through a driving motor to realize the rotary motion of a camera fixed on the focusing assembly, so that the despin purpose is achieved; the focusing assembly drives the transmission mechanism by using the focusing motor, and the transmission mechanism drives the lead screw shaft to rotate so as to realize the movement of the lower focusing seat in the focusing assembly, thereby leading the camera fixed on the focusing assembly to achieve the purpose of focusing. Through reasonable structural layout, despinning and focusing of a camera of the large-caliber large-view-field horizontal telescope are achieved in a limited space, and the fact that the telescope obtains stable and clear images within a working temperature range is guaranteed.
Drawings
Fig. 1 is a front view of a camera focusing and despinning mechanism provided in the present invention.
Fig. 2 is a schematic structural diagram of the assembly of the transmission mechanism and the upper base of the camera focusing and despinning mechanism provided by the invention.
Fig. 3 is a schematic structural diagram of another angle of the camera focusing and despinning mechanism provided by the present invention.
The reference numerals are explained below:
10. a correction lens barrel; 20. a despin assembly; 21. a motor outer ring base; 22. a drive motor; 221. an inner stator; 222. an outer rotor; 23. a slew bearing; 231. a bearing gland; 24. an encoder; 25. an encoder seat; 30. a focusing assembly; 31. a focusing motor; 311. a focusing motor base; 32. a transmission mechanism; 321. a driving synchronous pulley; 322. a driven timing pulley; 323. a synchronous belt; 33. a nut; 34. a lower focusing base; 341. connecting columns; 35. an upper focusing seat; 351. a length meter; 36. a lower base; 37. an upper base; 38. a linear bearing; A. a camera.
Detailed Description
Exemplary embodiments that embody features and advantages of the invention are described in detail below in the specification. It is to be understood that the invention is capable of other embodiments and that various changes in form and details may be made therein without departing from the scope of the invention and the description and drawings are to be regarded as illustrative in nature and not as restrictive.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
For further explanation of the principles and construction of the present invention, reference will now be made in detail to the preferred embodiments of the present invention, which are illustrated in the accompanying drawings.
Referring to fig. 1 and 3, the present application provides a focusing rotation eliminating mechanism for a camera a, which is suitable for a large-field horizontal telescope, and includes a correction lens barrel 10, a rotation eliminating assembly 20 and a focusing assembly 30, wherein the rotation eliminating assembly 20 is disposed on the correction lens barrel 10, and the focusing assembly 30 is disposed on the rotation eliminating assembly 20.
The correction lens barrel 10 is a mounting base of a focusing rotation-eliminating mechanism of the camera a, and is provided with an accommodating chamber for accommodating a lens assembly, the top surface of the barrel wall of the correction lens barrel 10 is recessed downwards to form an annular groove, and the annular groove is coaxial with the correction lens barrel 10.
Referring again to fig. 1, the rotation eliminating assembly 20 includes a driving motor 22 disposed in the recess and a motor outer ring base 21 disposed above the driving motor 22. Specifically, the driving motor 22 is a thin-wall direct-drive motor, and comprises an inner stator 221 and an outer rotor 222, the inner stator 221 of the driving motor is fixedly connected to the inner wall of the groove, the outer rotor 222 of the driving motor 22 is fixed at the bottom of the motor outer ring base 21 through screws, and the motor outer ring base 21 is an annular structure coaxially arranged with the correction lens barrel 10; when the driving motor 22 is operated, the motor outer ring base 21 rotates with the outer rotor 222 of the driving motor 22 around the central axis of the correction lens barrel 10.
Preferably, the rotation eliminating assembly 20 further comprises a rotating bearing 23, the rotating bearing 23 is arranged in a ring of the motor outer ring base 21, an inner ring of the rotating bearing 23 is connected to the inner wall of the groove, and an outer ring of the rotating bearing 23 is fixed by the motor outer ring base 21 and a bearing gland 23124 in a pressing installation mode. The outer rotor 222 of the driving motor 22 drives the motor outer ring base 21 to rotate around the central axis of the correction lens barrel 10 by rotating between the motor outer ring base 21 and the barrel wall of the correction lens barrel 10 through the rotary bearing 23, so that friction is reduced; and because the focusing assembly 30 is set up on the outer ring base 21 of the electrical machinery, and the slewing bearing 23 is a kind of bearing that can bear the comprehensive load, can bear the load of greater axial, radial and overturning moment at the same time, in order to adapt to the camera A and move with the bearing of the pitching motion of the azimuth of the telescope while working, it is formed by inner circle, outer lane and rolling element, etc., compact, easy to assemble.
Further, the rotation eliminating mechanism further comprises an encoder 24 and an encoder seat 25, the encoder seat 25 is fixedly connected with the inner ring of the rotary bearing 23, and the encoder 24 is mounted on the encoder seat 25 through screws and used for detecting the rotation angle of the rotation eliminating mechanism in real time, so that high-precision rotation closed-loop control of the rotation eliminating mechanism is achieved.
Referring to fig. 3 again, the focusing assembly 30 is disposed on the motor outer ring base 21, and includes a focusing motor 31, a transmission mechanism 32, a lead screw (not shown in the figure) and a lower focusing base 34, and the motor outer ring base 21 drives the focusing assembly 30 to rotate around the central axis of the correction lens barrel 10 to despin the camera a.
The screw shaft (not shown in the figure) of the screw rod is arranged perpendicular to the motor outer ring base 21 in the axial direction, the nut 33 of the screw rod is connected with the lower focusing seat 34, the transmission mechanism 32 is connected with the screw shaft, the output end of the focusing motor 31 is connected with the transmission mechanism 32 so as to drive the transmission mechanism 32 to drive the screw shaft to rotate, and then the nut 33 drives the lower focusing seat 34 to move along the screw shaft, so that the focusing of the camera A fixed on the focusing assembly 30 is realized.
Specifically, the focusing assembly 30 further includes a linear bearing 38, a connecting column 341, a lower base 36, an upper base 37 disposed above the lower base 36, and an upper focusing base 35 disposed above the upper base 37; the lower focusing base 34 is arranged between the lower base 36 and the upper base 37, the connecting column 341 sequentially passes through the lower focusing base 34, the upper base 37 and the upper focusing base 35 to connect the upper focusing base 35 and the lower focusing base 34, and is fastened by screws, and the upper focusing base 35 is used for fixing the camera a; the guide column of the linear bearing 38 passes through the lower base 36, the lower focus seat 34 and the upper base 37 in sequence to connect the lower base 36 and the upper base 37, and is fastened by screws; a screw shaft in the screw rod is pre-tightened and installed between a lower base 36 and an upper base 37 through a bearing, and a nut 33 in the screw rod and a guide shaft sleeve of a linear bearing 38 are both fixed on a lower focusing seat 34; focusing motor 31 and drive mechanism 32 set up at last base 37, make the lead screw axle take place to rotate through drive mechanism 32's transmission, and then realize that nut 33 drives down focusing seat 34 and do the repeated removal between lower base 36 and upper base 37 under the cooperation of linear bearing 38 guide, because lower focusing seat 34 and last focusing seat 35 pass through the spliced pole 341 and connect, thereby make upper focusing seat 35 along with lower focusing seat 34 takes place to remove, and then realize the focusing of camera A on the upper focusing seat 35.
Referring to fig. 2, the transmission mechanism 32 includes a driving synchronous pulley 321, a driven synchronous pulley 322 and a synchronous belt 323, the driving synchronous pulley 321 is connected to an output end of the focusing motor 31, the driving synchronous pulley 321 and the driven synchronous pulley 322 transmit through the synchronous belt 323, and the driven synchronous pulley 322 is installed on the screw shaft, so that the screw shaft is driven by the driven synchronous pulley 322 to rotate. In this embodiment, the number of the screws and the number of the driven synchronous pulleys 322 are four, one driven synchronous pulley 322 is installed corresponding to one screw shaft, and the four driven synchronous pulleys 322 are sequentially connected through the synchronous belt 323 and uniformly distributed on the periphery of the camera a. Through the driven mode of hold-in range 323, the pivoted uniformity of four group's screw shafts of assurance that can be fine can make full use of space simultaneously, makes focusing guiding mechanism evenly arrange at camera A, makes the structure compact as far as when guaranteeing the steady reliable of camera A focusing.
Preferably, a focusing motor base 311 is further disposed on the upper base 37 for mounting the focusing motor 31, so as to ensure stable fixation of the focusing motor 31.
Further, a length gauge 351 is further disposed on the upper focus mount 35 for monitoring the focusing position of the camera a in real time.
The despin working principle is as follows: the rotational movement of camera a is achieved by the despin assembly 20. The rotation of the camera A is driven by a thin-wall direct drive motor, wherein an inner stator 221 of the motor is fixed in a groove of the cylinder wall of the correction lens barrel 10, and an outer rotor 222 of the motor drives an outer ring base 21 of the motor and a focusing assembly 30 thereon to perform rotary motion by taking the central axis of the correction lens barrel 10 as the center; by further arranging the slewing bearing 23 in the ring of the motor outer ring base 21, the slewing bearing 23 rotates between the motor outer ring base 21 and the cylinder wall of the correction lens barrel 10, so that the outer rotor 222 drives the motor outer ring base 21 to rotate to reduce friction; and because the focusing assembly 30 is set up on the outer ring base 21 of the electrical machinery, and the slewing bearing 23 is a kind of bearing that can bear the comprehensive load, can bear the load of greater axial, radial and overturning moment at the same time, in order to adapt to the camera A and move with the bearing of the pitching motion of the azimuth of the telescope while working, it is formed by inner circle, outer lane and rolling element, etc., compact, easy to assemble. In addition, by providing the encoder 24, the angle of rotation is monitored in real time by the encoder 24, thereby achieving closed-loop control of high-precision rotation of the rotation eliminating mechanism. The rotation of the camera A is realized through the hollow thin-wall direct drive motor and the encoder 24 on the basis of not occupying the effective aperture of the telescope and the tense rear intercept space.
The working principle of focusing is as follows: the focusing is realized by driving a driving synchronous belt wheel 321 through a focusing motor 31 and driving four driven synchronous belt wheels 322 through a synchronous belt 323 so as to drive four screw shafts to rotate, and under the drive of a nut 33 and the guidance of a linear bearing 38, the focusing of the camera A is realized. The synchronous driving of multiple points is realized through the synchronous belt 323 transmission mode, the rotating consistency of four groups of lead screws can be well ensured, meanwhile, the space can be fully reserved, the focusing guide mechanism is uniformly arranged on the camera A, the focusing stability of the camera A is ensured, the tense space of the rear intercept can be more fully utilized, and the structure is compact as much as possible. In addition, the position of the focus is monitored in real time by the length gauge 351 to realize high-precision position closed-loop control.
The application also provides a horizontal telescope which comprises a lens component and the camera A focusing despinning mechanism, wherein the lens component is arranged in the correcting lens barrel 10.
The application provides a horizontal telescope and a camera A focusing despinning mechanism thereof, and the camera A focusing despinning mechanism comprises a correction lens barrel 10, a despinning assembly 20 and a focusing assembly 30. Wherein, the rotation eliminating assembly 20 comprises a driving motor 22 arranged in the groove of the correction lens barrel 10 and a motor outer ring base 21 arranged above the driving motor 22; the inner stator 221 of the driving motor 22 is connected with the inner wall of the groove, the top of the outer rotor 222 of the driving motor 22 is connected with the bottom of the motor outer ring base 21, and the motor outer ring base 21 rotates around the central axis of the correction lens barrel 10 through the driving motor 22; the focusing assembly 30 is arranged on the motor outer ring base 21 and comprises a focusing motor 31, a transmission mechanism 32, a lead screw and a lower focusing base 34, a lead screw shaft of the lead screw is arranged perpendicular to the motor outer ring base 21 in the axial direction of the lead screw, a nut 33 of the lead screw is connected with the lower focusing base 34, the transmission mechanism 32 is connected with the lead screw shaft, the output end of the focusing motor 31 is connected with the transmission mechanism 32 and used for driving the transmission mechanism 32 to drive the lead screw shaft to rotate, and further the nut 33 drives the lower focusing base 34 to move along the lead screw shaft, so that the focusing of a camera A fixed on the focusing assembly 30 is realized; the motor outer ring base 21 drives the focusing assembly 30 to rotate around the central axis of the correction lens barrel 10 to despin the camera a. The despinning and focusing of the camera A of the large-caliber large-view-field horizontal telescope are realized in a limited space, so that the telescope is ensured to obtain stable and clear images within a working temperature range.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, but rather is intended to cover all equivalent structural changes made by the use of the specification and drawings.

Claims (10)

1. A camera focusing despin mechanism is characterized by comprising:
the top surface of the cylinder wall of the correction lens cone is downwards concave to form an annular groove;
the despin assembly comprises a driving motor arranged in the groove and a motor outer ring base arranged above the driving motor; the inner stator of the driving motor is connected with the inner wall of the groove, and the top of the outer rotor of the driving motor is connected with the bottom of the motor outer ring base; the driving motor is used for driving the motor outer ring base to rotate by taking the central axis of the correction lens barrel as a center;
the focusing assembly is arranged on the motor outer ring base and comprises a focusing motor, a transmission mechanism, a lead screw and a lower focusing seat, a lead screw shaft of the lead screw is arranged in a manner that the axial direction of the lead screw is vertical to the motor outer ring base, a nut of the lead screw is connected with the lower focusing seat, the transmission mechanism is connected with the lead screw shaft, and the output end of the focusing motor is connected with the transmission mechanism so as to drive the transmission mechanism to drive the lead screw shaft to rotate, so that the nut drives the lower focusing seat to move along the lead screw shaft, and the focusing of a camera fixed on the focusing assembly is realized; the motor outer ring base drives the focusing assembly to rotate by taking the central axis of the correction lens cone as a center so as to despin the camera.
2. The camera focusing despinning mechanism of claim 1, wherein the despinning assembly further comprises a slew bearing disposed within the motor outer ring base, an inner ring of the slew bearing coupled to an inner wall of the groove, and an outer ring of the slew bearing coupled to the motor outer ring base.
3. The camera focusing despinning mechanism of claim 2, wherein the despinning mechanism further comprises an encoder for detecting in real time an angle of rotation of the despinning mechanism.
4. The camera focusing despinning mechanism of claim 3, wherein the despinning mechanism further comprises an encoder mount, the encoder mount being fixedly connected to the inner race of the slew bearing, the encoder being mounted on the encoder mount.
5. The camera focusing despinning mechanism of any one of claims 1 to 4, wherein the focusing assembly further comprises a linear bearing, a connection column, a lower base, an upper base disposed above the lower base, and an upper focusing mount disposed above the upper base;
the lower focusing seat is arranged between the lower base and the upper base, the upper focusing seat is used for fixing a camera, the upper focusing seat is connected with the lower focusing seat through the connecting column, the lower base is connected with the upper base through the guide column of the linear bearing, the guide shaft of the linear bearing is connected with the lower focusing seat, the lead screw shaft is installed between the lower base and the upper base through the bearing pre-tightening, and the focusing motor and the transmission mechanism are arranged on the upper base.
6. The camera focusing despinning mechanism of claim 5, wherein a focusing motor mount is further provided on the upper base for mounting the focusing motor.
7. The mechanism of claim 5, wherein the upper focus mount is further provided with a length gauge for monitoring the position of the camera for focusing in real time.
8. The camera focusing despinning mechanism of claim 5, wherein the transmission mechanism comprises a driving synchronous pulley, a driven synchronous pulley and a synchronous belt, the driving synchronous pulley is connected with the output end of the focusing motor, the driving synchronous pulley and the driven synchronous pulley are driven by the synchronous belt, and the driven synchronous pulley is mounted on the screw shaft.
9. The camera focusing despinning mechanism of claim 8, wherein the screw rod and the driven synchronous pulleys are four, one driven synchronous pulley is mounted on one screw rod shaft, and the four driven synchronous pulleys are sequentially connected through the synchronous belt and uniformly distributed on the periphery of the camera.
10. A terrestrial telescope comprising a lens assembly and the camera focusing despinning mechanism of any one of claims 1 to 9, the lens assembly being disposed within the correction barrel.
CN202210682969.6A 2022-06-16 2022-06-16 Horizontal telescope and camera focusing despin mechanism thereof Pending CN115016093A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210682969.6A CN115016093A (en) 2022-06-16 2022-06-16 Horizontal telescope and camera focusing despin mechanism thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210682969.6A CN115016093A (en) 2022-06-16 2022-06-16 Horizontal telescope and camera focusing despin mechanism thereof

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CN115016093A true CN115016093A (en) 2022-09-06

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070019908A1 (en) * 2005-07-22 2007-01-25 Focal Technologies Corporation Fiber optic rotary joint with de-rotating prism
CN102879897A (en) * 2012-09-17 2013-01-16 中国科学院光电技术研究所 Visual field eliminating rotating mechanism of horizontal telescope
CN208607431U (en) * 2018-07-17 2019-03-15 刘亦辰 A kind of field rotation despinner applied to altazimuth telescope
CN209433117U (en) * 2019-03-21 2019-09-24 碳十四空间科技河北有限公司 Astronomical telescope focusing despinner
CN112099222A (en) * 2020-09-21 2020-12-18 淮安市岽盛光电仪器有限公司 Flat field lens assembly focusing device for telescope
CN112882221A (en) * 2021-01-22 2021-06-01 西安应用光学研究所 Periscopic periscope optical image eliminating rotation mechanism
CN216561210U (en) * 2022-01-18 2022-05-17 中寰光电(天津)有限公司 Despun focusing mechanism for professional astronomical telescope

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070019908A1 (en) * 2005-07-22 2007-01-25 Focal Technologies Corporation Fiber optic rotary joint with de-rotating prism
CN102879897A (en) * 2012-09-17 2013-01-16 中国科学院光电技术研究所 Visual field eliminating rotating mechanism of horizontal telescope
CN208607431U (en) * 2018-07-17 2019-03-15 刘亦辰 A kind of field rotation despinner applied to altazimuth telescope
CN209433117U (en) * 2019-03-21 2019-09-24 碳十四空间科技河北有限公司 Astronomical telescope focusing despinner
CN112099222A (en) * 2020-09-21 2020-12-18 淮安市岽盛光电仪器有限公司 Flat field lens assembly focusing device for telescope
CN112882221A (en) * 2021-01-22 2021-06-01 西安应用光学研究所 Periscopic periscope optical image eliminating rotation mechanism
CN216561210U (en) * 2022-01-18 2022-05-17 中寰光电(天津)有限公司 Despun focusing mechanism for professional astronomical telescope

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Application publication date: 20220906