CN113653768A - Sun-oriented solar wing driving device - Google Patents
Sun-oriented solar wing driving device Download PDFInfo
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- CN113653768A CN113653768A CN202110995734.8A CN202110995734A CN113653768A CN 113653768 A CN113653768 A CN 113653768A CN 202110995734 A CN202110995734 A CN 202110995734A CN 113653768 A CN113653768 A CN 113653768A
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- driving
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- drive member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/42—Arrangements or adaptations of power supply systems
- B64G1/44—Arrangements or adaptations of power supply systems using radiation, e.g. deployable solar arrays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Friction Gearing (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a sun-oriented solar wing driving device, and belongs to the technical field of spacecraft control. The utility model provides a directional sun wing drive arrangement of counterglow, sets up two ring gears respectively through both sides on driving drum, sets up a drive assembly respectively on two ring gears, and one of them drive assembly is as the main backup, and another drive assembly is as the auxiliary backup, all sets up two at least driving pieces as the backup on main backup and the auxiliary backup, through carrying out the mode of backing up to drive assembly and driving piece, has improved the reliability of whole device effectively, has guaranteed directional sun wing drive arrangement's of counterglow normal work. The spline on the first driving element is modified, so that the axial deformation adaptability of the spline shaft is improved, and the problems of center distance variation, axis deviation and axis pitching of two gears caused by center distance variation of a tail end gear pair of the sun-facing orienting device are effectively solved by adopting a herringbone gear rack pair to connect the second driving element and the transmission roller.
Description
Technical Field
The invention belongs to the technical field of spacecraft control, and particularly relates to a sun-oriented solar wing driving device.
Background
The service life of the space station for the sun-oriented solar wing is usually more than fifteen years, which puts high requirements on the reliability of the sun-oriented solar wing driving device, wherein the driving assembly in the sun-oriented solar wing driving device is particularly important, and the normal operation of the whole driving device can be directly influenced by the failure of the driving assembly.
Disclosure of Invention
In view of this, an object of an embodiment of the present invention is to provide a sun-facing directional sun wing driving device, in which two gear rings are respectively disposed on two sides of a driving roller, and a driving assembly is respectively disposed on the two gear rings, one of the driving assemblies is used as a main backup, the other driving assembly is used as a sub backup, at least two driving members are disposed on both the main backup and the sub backup, and the driving assemblies and the driving members are backed up, so as to effectively improve the reliability of the whole device and ensure the normal operation of the sun-facing directional sun wing driving device.
The embodiment of the invention is realized by the following steps:
the embodiment of the invention provides a sun wing directional driving device which comprises a transmission roller and two driving assemblies, wherein the two driving assemblies are respectively arranged at two ends of the transmission roller, and two rows of transmission gear rings are arranged on the inner surface of the transmission roller;
the driving assembly comprises a connecting flange, at least two driving pieces and at least two rolling supporting pieces, wherein the at least two driving pieces and the at least two rolling supporting pieces are arranged on the connecting flange;
at least two rolling support pieces are distributed along the circumferential direction of the flange, and each rolling support piece comprises a rolling piece in rolling fit with the transmission roller and a telescopic piece in telescopic contact with the inner surface of the transmission roller.
As an alternative to the above embodiment, the driving member includes a first driving member and a second driving member, the first driving member is disposed through the second driving member, the first driving member and the second driving member are coaxially disposed, and the second driving member and the inner surface of the driving roller are in transmission connection through a helical rack-and-pinion.
As an alternative to the above embodiment, the driving member includes a first driving member and a second driving member, the first driving member is disposed through the second driving member, the first driving member and the second driving member are coaxially disposed and are in transmission connection through a spline pair, and the second driving member and the inner surface of the transmission drum are in transmission connection through a herringbone line surface gear rack pair.
As an alternative to the above embodiment, the first drive element outer surface is provided with a spline, the spline being provided with a plurality of spline teeth, any of the spline teeth comprising a tooth top surface and two flank surfaces, the two flank surfaces being located on either side of the tooth top surface, both sides of the tooth top surface and the flank surfaces being crowned.
As an alternative to the above embodiment, four rolling supports are provided on any of the connection flanges, and four rolling supports are provided on the connection flange in an annular array.
As an alternative to the above-described embodiment, the rolling members are of cylindrical or spherical configuration.
As an alternative to the above embodiment, the telescopic member is in frictional contact or snap-fit with the inner surface of the driving roller.
As an alternative of the above embodiment, a mounting hole is formed in the center of the connecting flange, at least two lightening holes are formed in the connecting flange, and the at least two lightening holes are uniformly arranged along the circumferential direction of the connecting flange.
As an alternative of the above embodiment, the lightening holes are fan-shaped holes, and the small ends of the fan-shaped holes are close to one side of the center of the connecting flange.
The invention has the beneficial effects that:
according to the sun-facing directional solar wing driving device provided by the invention, the two gear rings are respectively arranged on the two sides of the transmission roller, the two gear rings are respectively provided with one driving assembly, one driving assembly is used as a main backup, the other driving assembly is used as an auxiliary backup, the main backup and the auxiliary backup are respectively provided with at least two driving parts which are used as backups, and the reliability of the whole device is effectively improved and the normal work of the sun-facing directional solar wing driving device is ensured by the backup mode of the driving assemblies and the driving parts.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts. The above and other objects, features and advantages of the present invention will become more apparent from the accompanying drawings. Like reference numerals refer to like parts throughout the drawings. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic structural diagram of a sun wing directional driving device according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a driving roller;
FIG. 3 is a schematic structural view of the driving member;
FIG. 4 is a schematic structural view of a connecting flange;
FIG. 5 is a schematic view of the rolling support;
FIG. 6 is a schematic view of a second embodiment of the present invention showing the engagement of a driver with a ring gear;
FIG. 7 is a schematic structural diagram of a driving member according to a second embodiment of the present invention;
FIG. 8 is a schematic structural diagram of a first driving element in a second embodiment;
FIG. 9 is a schematic structural diagram of a second driving element in the second embodiment;
FIG. 10 is a structural schematic view of spline teeth of the first drive element in a second embodiment;
FIG. 11 is a view taken along line A of FIG. 10;
FIG. 12 is a view from the direction B of FIG. 10;
FIG. 13 is a contact trace plot of a herringbone gear set without error;
FIG. 14 is a contact trace diagram of a herringbone gear pair with axis line distance deviation;
FIG. 15 is a contact trace plot for a herringbone gear set with an X-axis angular misalignment;
fig. 16 is a contact trajectory diagram when the Y-axis angle of the herringbone gear pair is deviated.
Icon: 1-a driving roller; 2-a drive assembly; 21-a drive member; 211-a first drive element; 212-a second drive element; 22-rolling support; 221-rolling elements; 222-a telescoping member; 23-a connecting flange; 231-lightening holes; 232-mounting holes; 3-gear ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The assemblies of embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
First embodiment
Referring to fig. 1, an embodiment of the present invention provides a sun wing driving device for sun wing orientation, two gear rings 3 are respectively disposed on two sides of a driving roller 1, one driving assembly 2 is disposed on each of the two gear rings 3, one of the driving assemblies 2 is used as a main backup, the other driving assembly 2 is used as a sub backup, and at least two driving members 21 are disposed on each of the main backups, so that the driving assemblies 2 and the driving members 21 are backed up, thereby effectively improving the reliability of the whole device and ensuring the normal operation of the sun wing driving device for sun wing orientation.
The sun-facing directional solar wing driving device comprises a transmission roller 1 and two driving assemblies 2, wherein the transmission roller 1 is of a cylindrical structure in the embodiment, two rows of transmission gear rings 3 are arranged on the inner surface of the transmission roller 1, and the transmission gear rings 3 are in one-to-one correspondence with and meshed with the transmission roller 1.
As shown in fig. 1, fig. 2 and fig. 3, the driving member 21 includes a first driving element 211 and a second driving element 212, the first driving element 211 is disposed on the second driving element 212, the second driving element 212 is engaged with the transmission gear ring 3, the first driving element 211 and the second driving element 212 are coaxial, and the first driving element 211 drives the second driving element 212 to move. It is to be noted that the second drive element 212 is a standard bevel gear, where the ring gear 3 is the ring gear 3 that is co-operating with the second drive element 212.
As shown in fig. 4, at least two rolling support members 22 are disposed on the connecting flange 23 and distributed along the circumferential direction of the connecting flange 23. The rolling support 22 is in rolling engagement with the drive roller 1, so that the rolling support 22 acts to provide support for the drive assembly 2, here analogized to the action of a bearing. In this embodiment, the connecting flange 23 is provided with four rolling supporting members 22, and the four rolling supporting members 22 are all uniformly distributed along the circumferential direction of the connecting flange 23, so that the connecting flange 23 can keep good balance in the rotating process.
Meanwhile, a mounting hole 232 is formed in the center of the connecting flange 23, and in this embodiment, the mounting hole 232 is a round hole through which the connecting flange 23 can be connected with a space bin or the connecting flange 23 is connected with a solar wing panel. In order to reduce the weight of the whole sun-facing directional solar wing driving device, at least two lightening holes 231 distributed in an annular array manner are formed in the connecting flange 23, in the embodiment, a plurality of tests show that four lightening holes 231 are formed in the connecting flange 23, so that the weight can be effectively reduced, and the connecting strength between the connecting flange 23 and a space bin or a solar wing panel can be ensured.
It should be noted that in the present embodiment, the lightening holes 231 are provided as fan-shaped holes, the center of the fan-shaped hole points to the center of the connecting flange 23, the small end side of the fan-shaped hole is close to the center of the connecting flange 23, and the large end of the fan-shaped hole is far away from the center of the connecting flange 23. Therefore, the inertia force of the connecting flange 23 in the rotating process is reduced as much as possible, when two driving assemblies 2 are switched to work, one driving assembly 2 can be ensured to stop moving in a short time, the switching time between the two driving assemblies 2 is saved, and the reliability of the whole sun-oriented solar wing driving device is effectively improved.
As shown in fig. 5, the rolling support 22 is disposed on the connecting flange 23, the connection between the rolling support 22 and the connecting flange 23 may be fixed connection or detachable connection, the rolling support 22 includes a rolling member 221 and an expansion member 222, the rolling member 221 and the driving roller 1 maintain a rolling fit relationship, when the expansion member 222 is in an expansion state, the expansion member 222 does not contact with the inner surface of the driving roller 1, the rolling support 22 functions as a bearing, when the expansion member 222 is in an expansion state, the expansion member 222 contacts with the inner surface of the driving roller 1, which is equivalent to fixing the expansion member 222 on the driving roller 1, and the rolling support 22 functions as a locking function.
In addition, the telescopic member 222 may be a strip-shaped structure, a block-shaped structure, or the like, in this embodiment, the telescopic member 222 may be disposed on one side of the rolling support member 22, or disposed on both sides of the rolling support member, in this embodiment, the telescopic member 222 is disposed on both sides of the rolling support member 22.
In addition, the telescopic member 222 may be in frictional contact with the inner surface of the driving roller 1, or may be engaged with each other. In this embodiment, a frictional contact manner is employed.
Further, as an alternative embodiment, the rolling member 221 may have a cylindrical structure or a spherical structure, but is not limited to the above-described structure.
It is worth noting that two gear rings 3 are respectively arranged on two sides of a transmission roller 1, two drive assemblies 2 are respectively arranged on the two gear rings 3, one of the drive assemblies 2 is used as a main backup, the other drive assembly 2 is used as a secondary backup, two drive pieces 21 on the main backup are respectively used as a main drive piece and a main backup drive piece, two drive pieces 21 on the secondary backup are respectively used as a secondary drive piece and a secondary backup drive piece, under normal conditions, the main drive piece works to drive the transmission roller 1 to rotate, when the main drive piece fails, the main backup drive piece is switched to drive the transmission roller 1 to rotate, when the main drive piece and the main backup drive piece on the main backup fail, a telescopic piece 222 on the main backup is adjusted to be in contact with the transmission roller 1, the main backup is locked with the transmission roller 1, and a telescopic piece 222 on the secondary backup is adjusted to be separated from the transmission roller 1, the auxiliary driving part on the auxiliary backup is used for driving the transmission roller 1 to rotate, and when the auxiliary driving part fails, the auxiliary backup driving part is switched to drive the transmission roller 1 to rotate.
Second embodiment
As an important component of the space station, the sun orientation mechanism controls the solar sailboards to rotate at a certain angular speed at any time according to the running track of the sun, so that the power requirement is provided for the space station. However, due to the extreme environment of space and the influence of high and low temperature alternation, the center distance of the end gear pair of the sun-facing directional device is adversely affected, particularly the center distance deviation, the axis deviation and the axis pitching of the two gears, and the maintenance is difficult and the cost is high. In order to adapt to the deviation, a complex self-adaptive mechanism is needed to compensate the error, so that the functional requirement is met. However, the scheme can solve the problem of center distance deviation, but causes the problems of too many transmission links, too low torsional rigidity, reduced reliability, increased quality and the like.
Second embodiment of the invention on the basis of the first embodiment, in the embodiment, the outer surface of the first driving element 211 is provided with modified splines, the second driving element 212 is arranged as a herringbone line face configuration gear, and the gear ring 3 on the transmission drum 1 is arranged as a tooth shape matched with the herringbone line face gear. The herringbone line surface structure gear and rack pair is adopted to connect the second driving element 212 with the transmission roller 1, and the herringbone line surface structure gear pair has strong error adaptability to the axial distance and the axial angle, so that the problems of center distance change, further center distance deviation of two gears, axial deviation and axial pitching caused by the fact that the end gear pair of the sun-facing orienting device causes are effectively solved.
As shown in fig. 6, 7, 8, 9, 10, 11 and 12, in the present invention, the outer surface of the first driving element 211 is provided with a spline, spline teeth on the spline are both in a modified drum shape in a direction a and a direction B, the drum shape is an arc shape, a height difference between a highest point and a lowest point of the arc is a modification amount K, a distance between the two lowest points is L,
as shown in fig. 10 and 11, the modification amount of the drum shape is Kmm in the a-direction view. As shown in fig. 10 and 12, in the B-direction view, which is formed by connecting two symmetrical drums, the modification amount of the drums is also Kmm, it is noted that the modified first driving element 211 and the second driving element 212 have a translational adaptability along the Z-direction, where the Z-direction automatically adaptable deviation is ± (0-10) mm, and have a rotational adaptability around the X-axis and the Y-axis, where the automatically adaptable angular deviation is about ± arcsin (K/L) °.
Here, as shown in fig. 13, 14, 15 and 16, the second driving element 212 is a herringbone line-surface-structured gear, where the solid line is a contact trace without error, the dotted line above the solid line is a contact trace with positive error, and the dotted line below the solid line is a contact trace with negative error. The contact trajectory here refers to the path that the contact point of the herringbone gear with the ring gear 3 takes when moving in space.
As shown in fig. 12, when the second drive element 212 is operated without error with the ring gear 3, the contact path on the tooth flanks is a sloping curve from the tooth root to the tooth tip.
As shown in fig. 13, when there is a deviation in the center distance of the second drive element 212 from the ring gear 3, the position of the contact trace on the tooth surface will change, but its length will remain unchanged.
As shown in connection with fig. 6, 14, when there is an angular deviation of the second drive element 212 about the X-axis, the position of the contact tracks on the tooth surface will change, but its total length remains the same.
As shown in connection with fig. 6, 15, when there is an angular deviation of the second drive element 212 about the Y-axis, the position of the contact trace on the tooth surface will change while its length will become shorter. The herringbone line faces constitute gears.
In summary, the herringbone surface has a deformation adaptability to translation along the Y axis, a deformation adaptability to rotation around the X axis, and a deformation adaptability to rotation around the Y axis.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The sun-facing directional solar wing driving device is characterized by comprising a transmission roller and two driving assemblies, wherein the two driving assemblies are respectively arranged at two ends of the transmission roller, and two rows of transmission gear rings are arranged on the inner surface of the transmission roller;
the driving assembly comprises a connecting flange, at least two driving pieces and at least two rolling supporting pieces, wherein the at least two driving pieces and the at least two rolling supporting pieces are arranged on the connecting flange;
at least two rolling support pieces are distributed along the circumferential direction of the flange, and each rolling support piece comprises a rolling piece in rolling fit with the transmission roller and a telescopic piece in telescopic contact with the inner surface of the transmission roller.
2. The solar wing drive of claim 1, wherein the drive member comprises a first drive member and a second drive member, the first drive member is disposed through the second drive member, the first drive member is disposed coaxially with the second drive member, and the second drive member is drivingly connected to the inner surface of the drive drum by a helical rack-and-pinion.
3. A sun wing drive according to claim 1, wherein the drive member comprises a first drive member and a second drive member, the first drive member being disposed through the second drive member, the first drive member being disposed coaxially with the second drive member and being drivingly connected by a spline pair, the second drive member being drivingly connected to the inner surface of the drive drum by a herringbone surface-to-spline pair.
4. A sun-facing directional solar wing drive according to claim 3, wherein the first drive element outer surface is provided with splines on which a plurality of spline teeth are provided, each of said spline teeth comprising a top land and two flanks, the two flanks being located on either side of the top land, both sides of the top land and the flanks being crowned.
5. A sun-facing directional solar wing drive according to claim 1, wherein four of said rolling supports are provided on any one of said attachment flanges, said four rolling supports being provided on said attachment flange in an annular array.
6. A sun-facing directional solar wing drive according to claim 1, wherein said rolling members are of cylindrical or spherical configuration.
7. A sun wing drive according to claim 1, wherein the telescopic member is in frictional contact or snap-fit with the inner surface of the drive drum.
8. The sun-facing directional solar wing driving device according to claim 1, wherein the connecting flange has a mounting hole at the center thereof, and at least two lightening holes are formed in the connecting flange, and the at least two lightening holes are uniformly arranged along the circumferential direction of the connecting flange.
9. The sun wing drive of claim 8 wherein the lightening apertures are scalloped, the small ends of the scalloped apertures being located near the central side of the attachment flange.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110995734.8A CN113653768B (en) | 2021-08-27 | 2021-08-27 | Sun-oriented solar wing driving device |
| PCT/CN2021/119161 WO2023024203A1 (en) | 2021-08-27 | 2021-09-17 | Sun-oriented directional solar wing driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110995734.8A CN113653768B (en) | 2021-08-27 | 2021-08-27 | Sun-oriented solar wing driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113653768A true CN113653768A (en) | 2021-11-16 |
| CN113653768B CN113653768B (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110995734.8A Active CN113653768B (en) | 2021-08-27 | 2021-08-27 | Sun-oriented solar wing driving device |
Country Status (2)
| Country | Link |
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| CN (1) | CN113653768B (en) |
| WO (1) | WO2023024203A1 (en) |
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| CN114162350A (en) * | 2021-12-01 | 2022-03-11 | 上海宇航系统工程研究所 | Sun orientation device main structure suitable for space station |
| CN116513496A (en) * | 2023-05-10 | 2023-08-01 | 重庆开拓卫星科技有限公司 | Solar wing driving device for driving backup |
| CN116674769A (en) * | 2023-06-08 | 2023-09-01 | 重庆开拓卫星科技有限公司 | Solar wing multi-degree-of-freedom driving device |
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| CN116039965B (en) * | 2023-03-07 | 2024-01-30 | 重庆开拓卫星科技有限公司 | Two-dimensional driving device of solar wing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114162350A (en) * | 2021-12-01 | 2022-03-11 | 上海宇航系统工程研究所 | Sun orientation device main structure suitable for space station |
| CN114162350B (en) * | 2021-12-01 | 2023-09-29 | 上海宇航系统工程研究所 | Main structure of sun alignment orientation device suitable for space station |
| CN116513496A (en) * | 2023-05-10 | 2023-08-01 | 重庆开拓卫星科技有限公司 | Solar wing driving device for driving backup |
| CN116513496B (en) * | 2023-05-10 | 2024-01-30 | 重庆开拓卫星科技有限公司 | Solar wing driving device for driving backup |
| CN116674769A (en) * | 2023-06-08 | 2023-09-01 | 重庆开拓卫星科技有限公司 | Solar wing multi-degree-of-freedom driving device |
| CN116674769B (en) * | 2023-06-08 | 2024-01-30 | 重庆开拓卫星科技有限公司 | Solar wing multi-degree-of-freedom driving device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113653768B (en) | 2022-10-25 |
| WO2023024203A1 (en) | 2023-03-02 |
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