CN111474662A - High-rigidity horizontal focusing mechanism with compact structure - Google Patents
High-rigidity horizontal focusing mechanism with compact structure Download PDFInfo
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- CN111474662A CN111474662A CN202010499489.7A CN202010499489A CN111474662A CN 111474662 A CN111474662 A CN 111474662A CN 202010499489 A CN202010499489 A CN 202010499489A CN 111474662 A CN111474662 A CN 111474662A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
Abstract
The invention discloses a high-rigidity horizontal focusing mechanism with a compact structure, which comprises a flexible main base, wherein the flexible main base is provided with an upper rigid mounting substrate, a lower rigid mounting substrate and a flexible assembly; a motor output shaft of the motor assembly is connected with a screw shaft; the flexible assembly is divided into a first flexible assembly and a second flexible assembly, and the second flexible assembly is provided with a nut, a motor assembly and a screw shaft; the motor assembly drives the screw shaft to rotate, and adjusts the relative distance between the upper rigid mounting substrate and the lower rigid mounting substrate through a nut in threaded connection with the screw shaft and the flexible deformation of the flexible assembly so as to realize the focusing of the optical element along the axial direction of the flexible main base. The horizontal focusing mechanism of the invention adopts a traditional revolute pair with a flexible hinge belt body, simplifies the structure and eliminates the movement gap, therefore, the horizontal focusing mechanism has the advantages of compact structure, small volume and high movement precision.
Description
Technical Field
The invention relates to the technical field of space load, in particular to a high-rigidity horizontal focusing mechanism with a compact structure.
Background
Due to the fact that the application environment of the space optical system is very severe, and the influence factors of the environment on the optical system are complex, for example, the influence factors of the change of the environment temperature, the change of the atmospheric pressure, the system vibration, the external impact and the like can all cause the focal plane of the optical system to generate a certain degree of axial deviation, and therefore the imaging quality of the optical system is adversely affected. In order to ensure the imaging quality of the optical system, the axial position of the corresponding optical component in the optical system needs to be adjusted, so that the defocusing amount of the focal plane of the optical system is reversely corrected, and a focusing mechanism is needed at this time.
For a microsatellite, the overall weight requirement of the microsatellite is very strict, so that the application of a large-volume and high-rigidity focusing mechanism is limited, and the structural rigidity of the small-volume focusing mechanism cannot meet the use requirement.
Disclosure of Invention
The invention aims to solve the problem of contradiction conflict among the small satellite and the focusing mechanism in the prior art on volume, rigidity, weight and integration level, and provides the focusing mechanism with small volume, light weight and high rigidity.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention relates to a high-rigidity horizontal focusing mechanism with compact structure, which comprises:
a flexible main base, an upper end of which is used for mounting an optical element;
the flexible main base has an upper rigid mounting substrate at an upper end, a lower rigid mounting substrate at a lower end, and a flexible assembly arranged along a circumferential direction of the flexible main base;
the flexible assemblies are divided into first flexible assemblies symmetrically arranged along a first direction of the flexible main base and second flexible assemblies symmetrically arranged along a second direction of the flexible main base;
a motor adapter is arranged in the second flexible assembly of the flexible main base;
a motor assembly is embedded in the motor adapter;
a motor output shaft of the motor assembly is in transmission connection with a screw shaft;
one side of the second flexible assembly, which is opposite to the motor assembly, is fixedly connected with a nut;
one end, far away from the motor output shaft, of the screw shaft extends to the nut and is in threaded connection with the nut;
the motor assembly drives the screw shaft to rotate and adjusts the relative distance between the upper rigid mounting substrate and the lower rigid mounting substrate through the nut in threaded connection with the screw shaft and the flexible deformation of the first flexible assembly and the second flexible assembly so as to realize the focusing of the optical element along the axial direction of the flexible main base.
Further, the first flexible assembly includes a first steel arm connected to the upper rigid mounting substrate by a first flexible hinge, and a second steel arm connected to the lower rigid mounting substrate by a third flexible hinge;
and the first steel arm and the second steel arm are connected through a second flexible hinge.
Further, the second flexible assembly includes a third steel arm connected to the upper rigid mounting substrate by a fourth flexible hinge, and a fourth steel arm connected to the lower rigid mounting substrate by a seventh flexible hinge;
a motor mounting substrate is connected between the third steel arm and the fourth steel arm close to one side of the left side of the flexible main base through a fifth flexible hinge and a sixth flexible hinge respectively;
a nut mounting substrate is connected between the third steel arm and the fourth steel arm close to one side of the right side of the flexible main base through a fifth flexible hinge and a sixth flexible hinge respectively;
the motor adapter is assembled on the motor mounting substrate and extends towards the interior of the flexible main base;
the nut is mounted on the nut mounting substrate.
Further, the motor adapter is fixedly connected with the motor mounting substrate through a motor adapter flange formed at the end part of the motor adapter;
the motor assembly is embedded into the motor adapter and is fixedly assembled with the blind hole in the motor adapter.
Furthermore, a locking nut is fixedly connected to one end of the screw shaft fixedly connected with the motor output shaft of the motor assembly;
one end of a motor output shaft of the motor adapter is fixedly connected with a bearing cover;
the bearing cover is internally formed into a bearing embedding cavity, and a bearing rotatably connected with the screw shaft is installed in the bearing embedding cavity.
Furthermore, one end of the nut is embedded in the nut mounting substrate, and the other end of the nut is formed into a nut flange body fixedly connected with the side surface of the nut mounting substrate.
Further, the rigidity of the first flexible hinge, the second flexible hinge, the third flexible hinge, the fourth flexible hinge, the fifth flexible hinge, the sixth flexible hinge and the seventh flexible hinge is less than the rigidity of the upper rigid mounting substrate, the lower rigid mounting substrate, the first steel arm, the second steel arm, the third steel arm, the fourth steel arm, the motor mounting substrate and the nut mounting substrate.
Further, the first steel arm and the second steel arm are provided with hollow structures so as to form a light weight structure.
In the technical scheme, the high-rigidity horizontal focusing mechanism with the compact structure provided by the invention has the following beneficial effects:
the vertical focusing mechanism of the invention adopts a traditional revolute pair with a flexible hinge belt body, simplifies the structure and eliminates the movement gap, therefore, the focusing mechanism has the advantages of compact structure, small volume and high movement precision.
The flexible assemblies on the side surface of the flexible main base work independently, so that the requirements on the processing and assembling precision of parts are not high, the structural rigidity is improved through the multiple groups of flexible assemblies which are symmetrically distributed along the axis, and the focusing mechanism is high in rigidity and high in first-order mode.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a high-rigidity horizontal focusing mechanism with a compact structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a second flexible assembly of a compact high-rigidity horizontal focusing mechanism according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a second flexible assembly of a compact, high stiffness horizontal focus mechanism according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a first flexible assembly of a high-rigidity horizontal focusing mechanism with a compact structure according to an embodiment of the present invention.
Description of reference numerals:
1. a flexible main base; 2. a first flexible component; 3. a second flexible component; 4. a screw shaft; 5. a motor adapter; 6. a nut; 7. a motor assembly;
101. an upper rigid mounting substrate; 102. a lower rigid mounting substrate;
201. a first flexible hinge; 202. a second flexible hinge; 203. a third flexible hinge; 204. a first steel arm; 205. a second steel arm;
301. a fourth flexible hinge; 302. a fifth flexible hinge; 303. a sixth flexible hinge; 304. a seventh flexible hinge; 305. a third steel arm; 306. a fourth steel arm; 307. a motor mounting substrate; 308. a nut mounting substrate;
501. a motor adapter flange;
601. a nut flange body;
701. locking the nut; 702. a bearing cap; 703. and a bearing.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 4;
the invention relates to a high-rigidity horizontal focusing mechanism with compact structure, which comprises:
a flexible main base 1, an upper end of the flexible main base 1 is used for mounting an optical element;
the flexible main base 1 has an upper rigid mounting substrate 101 at an upper end, a lower rigid mounting substrate 102 at a lower end, and a flexible member arranged along a circumferential direction of the flexible main base 1;
the flexible assemblies are divided into a first flexible assembly 2 symmetrically arranged along a first direction of the flexible main base 1 and a second flexible assembly 3 symmetrically arranged along a second direction of the flexible main base 1;
a motor adapter 5 is arranged in the second flexible assembly 3 of the flexible main base 1;
a motor component 7 is embedded in the motor adapter 5;
a motor output shaft of the motor component 7 is in transmission connection with a screw shaft 4;
one side of the second flexible component 3, which is opposite to the motor component 7, is fixedly connected with a nut 6;
one end of the screw shaft 4, which is far away from the output shaft of the motor, extends to the nut 6 and is in threaded connection with the nut 6;
the motor assembly 7 drives the screw shaft 4 to rotate and adjusts the relative distance of the upper rigid mounting substrate 101 and the lower rigid mounting substrate 102 through the nut 6 screwed thereto and the flexible deformation of the first flexible assembly 2 and the second flexible assembly 3 to achieve focusing of the optical element in the axial direction of the flexible main base 1.
Specifically, the present embodiment discloses a novel focus adjustment mechanism which is assembled with an external optical element through an upper rigid mounting substrate 101 at the upper end of a flexible main base 1, while a lower rigid mounting substrate 102 and a flexible member at the lower end of the flexible main base are used to mount an internal focus adjustment assembly. Meanwhile, the flexible main base 1 of the present embodiment provides a rotational force through the internal motor assembly 7 with flexible deformation of a plurality of sets of flexible assemblies arranged in the circumferential direction, and converts the rotational force into a linear motion of the rigid mounting substrates at the upper and lower ends by using the threaded connection of the screw shaft 4 and the nut 6, thereby completing the focusing of the optical element in the vertical direction.
More specifically: the flexible components of the present embodiment are divided into two types, one is a first flexible component 2 arranged in a first direction, and the other is a second flexible component 3 arranged in a second direction; the first direction refers to a direction extending in the front-rear direction of the flexible main base 1, and the second direction refers to a direction extending in the left-right direction of the flexible main base 1. The first flexible assembly 2 and the second flexible assembly 3 of the present embodiment assist the upper rigid mounting substrate 101 and the lower rigid mounting substrate 102 to move in the vertical direction in a flexible deformation manner when the optical element is focused, and the second flexible assembly 3 is used for accommodating the focusing structure such as the motor assembly 7, the screw shaft 4, the nut 6, etc.
Preferably, the first flexible assembly 2 in this embodiment comprises a first steel arm 204 connected to the upper rigid mounting substrate 101 by a first flexible hinge 201, and a second steel arm 205 connected to the lower rigid mounting substrate 102 by a third flexible hinge 203;
the first steel arm 204 and the second steel arm 205 are connected by a second flexible hinge 202.
Next, the second flexible module 3 includes a third steel arm 305 connected to the upper rigid mounting board 101 by a fourth flexible hinge 301, and a fourth steel arm 306 connected to the lower rigid mounting board 102 by a seventh flexible hinge 304;
a motor mounting substrate 307 is connected between the third steel arm 305 and the fourth steel arm 306 close to the left side of the flexible main base 1 through a fifth flexible hinge 302 and a sixth flexible hinge 303 respectively;
a nut mounting base plate 308 is connected between the third steel arm 305 and the fourth steel arm 306 close to the right side of the flexible main base 1 through a fifth flexible hinge 302 and a sixth flexible hinge 303 respectively;
the motor adaptor 5 is fitted to the motor mounting substrate 307 and extends toward the inside of the flexible main base 1;
the nut 6 is mounted on the nut mounting board 308.
More preferably, the motor adapter 5 is fixedly connected to the motor mounting substrate 307 through a motor adapter flange 501 formed at an end thereof;
the motor component 7 is embedded in the motor adapter 5 and is fixedly assembled with a blind hole in the motor adapter 5.
A locking nut 701 is fixedly connected with one end of the screw shaft 4 fixedly connected with a motor output shaft of the motor assembly 7;
one end of a motor output shaft of the motor adapter 5 is fixedly connected with a bearing cover 702;
the bearing cap 702 is formed with a bearing fitting cavity in which a bearing 703 rotatably connected to the screw shaft 4 is fitted.
One end of the nut 6 is fitted into the nut mounting board 308, and the other end of the nut 6 is formed as a nut flange body 601 which is fixedly connected to the side surface of the nut mounting board 308.
The focusing assembly of this embodiment mainly uses motor assembly 7, screw shaft 4 etc. as power take-off structure, motor assembly 7 is the rotation power source, it drives screw shaft 4 to rotate, and the rotation of screw shaft 4 is connected and is realized through above-mentioned bearing 703, along with the rotation of screw shaft 4, with its threaded connection and with nut mounting substrate 308 firm nut 6 just stretch into, the length change that stretches out through the screw thread regulation with the screw shaft 4 corresponding end to this turns into linear motion with rotary motion, realize the focusing of optical element through the flexible deformation of above-mentioned flexible assembly.
The flexible assembly is mainly formed by arranging the plurality of flexible hinges and the plurality of steel arms at intervals, and once the rigid mounting base plates at the upper end and the lower end move axially, the flexible assembly deforms through the flexible hinges so as to assist focusing and finally finish the focusing purpose.
In the technical scheme, the high-rigidity horizontal focusing mechanism with the compact structure provided by the invention has the following beneficial effects:
the vertical focusing mechanism of the invention adopts a traditional revolute pair with a flexible hinge belt body, simplifies the structure and eliminates the movement gap, therefore, the focusing mechanism has the advantages of compact structure, small volume and high movement precision.
The flexible assemblies on the side surface of the flexible main base work independently, so that the requirements on the processing and assembling precision of parts are not high, the structural rigidity is improved through the multiple groups of flexible assemblies which are symmetrically distributed along the axis, and the focusing mechanism is high in rigidity and high in first-order mode.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a compact structure's horizontal focusing mechanism of high rigidity which characterized in that, this focusing mechanism includes:
a flexible main base (1), wherein the upper end of the flexible main base (1) is used for mounting an optical element;
the flexible main base (1) is provided with an upper rigid mounting substrate (101) at the upper end, a lower rigid mounting substrate (102) at the lower end and a flexible assembly arranged along the circumferential direction of the flexible main base (1);
the flexible assemblies are divided into first flexible assemblies (2) symmetrically arranged along a first direction of the flexible main base (1) and second flexible assemblies (3) symmetrically arranged along a second direction of the flexible main base (1);
a motor adapter (5) is arranged in the second flexible assembly (3) of the flexible main base (1);
a motor assembly (7) is embedded in the motor adapter (5);
a motor output shaft of the motor component (7) is in transmission connection with a screw shaft (4);
one side of the second flexible assembly (3) relative to the motor assembly (7) is fixedly connected with a nut (6);
one end, far away from the motor output shaft, of the screw shaft (4) extends to the nut (6) and is in threaded connection with the nut (6);
the motor assembly (7) drives the screw shaft (4) to rotate, and the relative distance between the upper rigid mounting substrate (101) and the lower rigid mounting substrate (102) is adjusted through the nut (6) in threaded connection with the screw shaft and the flexible deformation of the first flexible assembly (2) and the second flexible assembly (3) so as to realize the focusing of the optical element along the axial direction of the flexible main base (1).
2. A compact, high stiffness, horizontal focus mechanism according to claim 1 wherein the first flexible assembly (2) comprises a first steel arm (204) connected to the upper rigid mounting substrate (101) by a first flexible hinge (201), and a second steel arm (205) connected to the lower rigid mounting substrate (102) by a third flexible hinge (203);
the first steel arm (204) and the second steel arm (205) are connected through a second flexible hinge (202).
3. A compact, high stiffness, horizontal focus mechanism according to claim 2 wherein the second flexible assembly (3) comprises a third steel arm (305) connected to the upper rigid mounting substrate (101) by a fourth flexible hinge (301) and a fourth steel arm (306) connected to the lower rigid mounting substrate (102) by a seventh flexible hinge (304);
a motor mounting substrate (307) is connected between the third steel arm (305) and the fourth steel arm (306) close to the left side of the flexible main base (1) through a fifth flexible hinge (302) and a sixth flexible hinge (303);
a nut mounting base plate (308) is connected between the third steel arm (305) and the fourth steel arm (306) close to one side of the right side of the flexible main base (1) through a fifth flexible hinge (302) and a sixth flexible hinge (303);
the motor adapter (5) is assembled on the motor mounting substrate (307) and extends towards the interior of the flexible main base (1);
the nut (6) is mounted on the nut mounting substrate (308).
4. The horizontal focusing mechanism with high rigidity and compact structure as claimed in claim 3, wherein the motor adapter (5) is fixedly connected with the motor mounting substrate (307) through a motor adapter flange (501) formed at the end part of the motor adapter;
the motor component (7) is embedded into the motor adapter (5) and is fixedly assembled with a blind hole in the motor adapter (5).
5. The horizontal focusing mechanism with high rigidity and compact structure as claimed in claim 4 is characterized in that a lock nut (701) is fixedly connected to one end of the screw shaft (4) fixedly connected with the motor output shaft of the motor assembly (7);
one end of a motor output shaft of the motor adapter (5) is fixedly connected with a bearing cover (702);
the bearing cover (702) is internally formed into a bearing embedding cavity, and a bearing (703) rotatably connected with the screw shaft (4) is installed in the bearing embedding cavity.
6. The horizontal focusing mechanism with high rigidity and compact structure as claimed in claim 3, wherein one end of the nut (6) is embedded in the nut mounting substrate (308), and the other end of the nut (6) is formed as a nut flange body (601) fixedly connected with the side surface of the nut mounting substrate (308).
7. The compact high-rigidity horizontal focusing mechanism according to claim 3, wherein the rigidity of the first flexible hinge (201), the second flexible hinge (202), the third flexible hinge (203), the fourth flexible hinge (301), the fifth flexible hinge (302), the sixth flexible hinge (303) and the seventh flexible hinge (304) is less than the rigidity of the upper rigid mounting substrate (101), the lower rigid mounting substrate (102), the first steel arm (204), the second steel arm (205), the third steel arm (305), the fourth steel arm (306), the motor mounting substrate (307) and the nut mounting substrate (308).
8. The compact high-rigidity horizontal focusing mechanism is characterized in that the first steel arm (204) and the second steel arm (205) are provided with hollowed-out structures so as to form light-weight structures.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010499489.7A CN111474662B (en) | 2020-06-04 | 2020-06-04 | High-rigidity horizontal focusing mechanism with compact structure |
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| CN202010499489.7A CN111474662B (en) | 2020-06-04 | 2020-06-04 | High-rigidity horizontal focusing mechanism with compact structure |
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| CN111474662B CN111474662B (en) | 2021-09-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970442A (en) * | 2020-08-15 | 2020-11-20 | 深圳市恒力天科技有限公司 | Accurate focusing equipment of camera |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323720A (en) * | 2011-08-03 | 2012-01-18 | 河北工业大学 | Flexible micro-positioning platform based on driving of piezoelectric ceramics |
| CN104536112A (en) * | 2014-12-25 | 2015-04-22 | 中国科学院长春光学精密机械与物理研究所 | Optical element axial jogging adjustment device of bridge type flexible hinge structure |
| CN104742046A (en) * | 2015-03-24 | 2015-07-01 | 中国科学院长春光学精密机械与物理研究所 | Parallel two-freedom-degree flexible precision guide mechanism |
| CN106299103A (en) * | 2016-09-09 | 2017-01-04 | 西安交通大学 | A kind of rhombus compliant mechanism with high natural frequency and displacement equations ratio |
| CN108109671A (en) * | 2018-01-11 | 2018-06-01 | 中国工程物理研究院总体工程研究所 | Two level displacement amplifying mechanism based on diamond shape compliant mechanism |
| CN108169872A (en) * | 2017-12-29 | 2018-06-15 | 北京空间机电研究所 | A kind of high-precision based on flexible hinge, high stable reflector adjusting apparatus |
| CN108199614A (en) * | 2018-01-29 | 2018-06-22 | 长春工业大学 | Two-way micro-displacement scale-up version precision piezoelectricity stick-slip linear motor and its driving method |
| CN208432848U (en) * | 2018-07-27 | 2019-01-25 | 上海微电子装备（集团）股份有限公司 | A kind of movable optical element adjusting and positioning device |
| CN110497390A (en) * | 2019-08-30 | 2019-11-26 | 上海大学 | Restrict spring driving freedom degree parallel connection binocular focusing bionic eye executing agency |
| CN110531482A (en) * | 2019-08-28 | 2019-12-03 | 中国科学院西安光学精密机械研究所 | A kind of flexible high-precision time mirror assembly focus adjusting mechanism |
| CN110727077A (en) * | 2019-10-09 | 2020-01-24 | 中国航空工业集团公司洛阳电光设备研究所 | Centroid driving focusing mechanism based on flexible hinge |
-
2020
- 2020-06-04 CN CN202010499489.7A patent/CN111474662B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102323720A (en) * | 2011-08-03 | 2012-01-18 | 河北工业大学 | Flexible micro-positioning platform based on driving of piezoelectric ceramics |
| CN104536112A (en) * | 2014-12-25 | 2015-04-22 | 中国科学院长春光学精密机械与物理研究所 | Optical element axial jogging adjustment device of bridge type flexible hinge structure |
| CN104742046A (en) * | 2015-03-24 | 2015-07-01 | 中国科学院长春光学精密机械与物理研究所 | Parallel two-freedom-degree flexible precision guide mechanism |
| CN106299103A (en) * | 2016-09-09 | 2017-01-04 | 西安交通大学 | A kind of rhombus compliant mechanism with high natural frequency and displacement equations ratio |
| CN108169872A (en) * | 2017-12-29 | 2018-06-15 | 北京空间机电研究所 | A kind of high-precision based on flexible hinge, high stable reflector adjusting apparatus |
| CN108109671A (en) * | 2018-01-11 | 2018-06-01 | 中国工程物理研究院总体工程研究所 | Two level displacement amplifying mechanism based on diamond shape compliant mechanism |
| CN108199614A (en) * | 2018-01-29 | 2018-06-22 | 长春工业大学 | Two-way micro-displacement scale-up version precision piezoelectricity stick-slip linear motor and its driving method |
| CN208432848U (en) * | 2018-07-27 | 2019-01-25 | 上海微电子装备（集团）股份有限公司 | A kind of movable optical element adjusting and positioning device |
| CN110531482A (en) * | 2019-08-28 | 2019-12-03 | 中国科学院西安光学精密机械研究所 | A kind of flexible high-precision time mirror assembly focus adjusting mechanism |
| CN110497390A (en) * | 2019-08-30 | 2019-11-26 | 上海大学 | Restrict spring driving freedom degree parallel connection binocular focusing bionic eye executing agency |
| CN110727077A (en) * | 2019-10-09 | 2020-01-24 | 中国航空工业集团公司洛阳电光设备研究所 | Centroid driving focusing mechanism based on flexible hinge |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111970442A (en) * | 2020-08-15 | 2020-11-20 | 深圳市恒力天科技有限公司 | Accurate focusing equipment of camera |
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| CN111474662B (en) | 2021-09-28 |
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