CN113548201B - Fan-shaped solar wing repeated unfolding and folding locking mechanism - Google Patents
Fan-shaped solar wing repeated unfolding and folding locking mechanism Download PDFInfo
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- CN113548201B CN113548201B CN202110826222.9A CN202110826222A CN113548201B CN 113548201 B CN113548201 B CN 113548201B CN 202110826222 A CN202110826222 A CN 202110826222A CN 113548201 B CN113548201 B CN 113548201B
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- 230000007246 mechanism Effects 0.000 title claims abstract description 15
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Classifications
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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
- B64G1/443—Photovoltaic cell arrays
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S30/00—Structural details of PV modules other than those related to light conversion
- H02S30/20—Collapsible or foldable PV modules
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Sustainable Development (AREA)
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- Aviation & Aerospace Engineering (AREA)
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Abstract
The invention discloses a fan-shaped solar wing repeated unfolding, folding and locking mechanism, which comprises: fixing the cover plate; the driving device is fixedly arranged at the first end of the fixed cover plate and is provided with an output shaft; the driving wheel is arranged on the output shaft, and the driving device is used for driving the driving wheel to rotate; the central wheel is rotationally connected to the second end of the fixed cover plate, and a convex part is arranged on the central wheel; the belt is connected with the driving wheel and the central wheel; the second end of the rotating cover plate is rotatably connected with the second end of the fixed cover plate through a rotating assembly, the second end of the rotating cover plate is provided with a groove part, and a fan-shaped solar wing is arranged between the rotating cover plate and the fixed cover plate; the locking groove is arranged on one end face, facing the rotating cover plate, of the driving wheel, and an opening opposite to the protruding portion is formed in one side of the locking groove; the locking rod is arranged at the first end of the rotating cover plate; the mechanism has the advantages of compact structure, small size and light weight, and can reliably and repeatedly realize the functions of unfolding, folding and locking the fan-shaped solar wings.
Description
Technical Field
The invention belongs to the technical field of solar wings, and particularly relates to a repeated unfolding, folding and locking mechanism for a fan-shaped solar wing.
Background
In the long-term operation process of the spacecraft in orbit, the solar wing is mainly used for providing electric energy for the spacecraft. The solar wing converts light energy into electric energy by using a battery piece attached to the solar wing for the use of a spacecraft.
The working modes of the solar wing are as follows: when the spacecraft launches, the solar wings are in a folded state, so that the occupied volume is reduced; reliable locking is required to bear the vibration working condition of the ascending section; after the spacecraft is in orbit, the sun wing is in an open state to generate power; the unfolding state needs to be locked to increase the unfolding fundamental frequency.
The fan-shaped solar wing has the characteristics of small furled volume, simple structure and light weight. The device consists of 2 rigid cover plates, a plurality of support rods and flexible wing surfaces, and is approximately circular after being unfolded; in the furled state, the rigid cover plate is used for realizing compaction.
In the prior art, the unfolding and folding mechanism of the fan-shaped solar wing has large size and is very unreliable, and repeated unfolding and folding actions can not be carried out.
Disclosure of Invention
In order to solve the above problems, the present invention provides a locking mechanism for repeatedly unfolding and folding a fan-shaped solar wing, which has a compact structure, a small size, and a light weight, and can reliably and repeatedly realize the functions of unfolding, folding, and locking the fan-shaped solar wing.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a fan-shaped solar wing repeated unfolding and folding locking mechanism comprises:
fixing the cover plate;
the driving device is fixedly arranged at the first end of the fixed cover plate and is provided with an output shaft;
the driving wheel is arranged on the output shaft, and the driving device is used for driving the driving wheel to rotate;
the central wheel is rotatably connected to the second end of the fixed cover plate, and a convex part is arranged on the central wheel;
the belt is connected with the driving wheel and the central wheel;
the second end of the rotating cover plate is rotatably connected with the second end of the fixed cover plate through a rotating assembly, the second end of the rotating cover plate is provided with a groove part, and a fan-shaped solar wing is arranged between the rotating cover plate and the fixed cover plate;
the locking groove is arranged on one end face, facing the rotating cover plate, of the driving wheel, and an opening opposite to the protruding portion is formed in one side of the locking groove;
the locking rod is arranged at the first end of the rotating cover plate;
when the locking device is closed and locked, the fixed cover plate is parallel and adjacent to the rotating cover plate, the locking rod is positioned in the locking groove and is staggered with the opening of the locking groove, and the side wall of the locking groove limits the locking rod to realize the locking of the rotating cover plate;
when the locking device is unlocked and unfolded, the driving device drives the driving wheel to rotate until the opening of the locking groove is opposite to the locking rod, so that unlocking is realized; meanwhile, the driving wheel drives the center wheel to rotate through the belt transmission, so that the protruding portion enters the groove portion, the rotating cover plate is driven to rotate around the fixed cover plate through the cooperation of the driving wheel and the fixed cover plate to achieve unfolding, and at the moment, the locking rod leaves the locking groove through the opening of the locking groove.
According to an embodiment of the present invention, the rotating assembly includes:
one end of the connecting rotating arm is rotatably connected to the fixed cover plate through a first rotating pair, and the other end of the connecting rotating arm is rotatably connected to the rotating cover plate through a second rotating pair;
the first gear is fixedly arranged on the fixed cover plate, and the central shaft of the first gear is coaxial with the first rotating pair;
and the second gear is fixedly arranged on the rotating cover plate, and the central shaft of the second gear is coaxial with the second revolute pair.
According to an embodiment of the invention, the driving device is a motor.
According to an embodiment of the invention, the belt is a synchronous belt.
According to an embodiment of the present invention, the protruding portion is a protruding shaft, the recessed portion is a V-shaped groove, and one side of the V-shaped groove close to the fixed cover plate is an arc surface with a center axis of the center wheel as a center.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects:
(1) in the embodiment of the invention, the locking rod is limited by the side wall of the locking groove to realize the locking of the rotating cover plate, and the unlocking is realized when the driving wheel rotates to ensure that the opening of the locking groove is opposite to the locking rod. Meanwhile, the rotary cover plate is driven to rotate around the fixed cover plate through the matching of the protruding portion and the groove portion so as to realize unfolding. The fan-shaped solar wing has the advantages of compact integral structure, small size, light weight and capability of reliably and repeatedly realizing the functions of unfolding, folding and locking the fan-shaped solar wing.
(2) The rotating assembly in the embodiment of the invention comprises the connecting rotating arm, the first gear and the second gear, so that the rotating connection strength between the fixed cover plate and the rotating cover plate is higher.
(3) In the embodiment of the invention, the protruding part is a protruding shaft, the groove part is a V-shaped groove, and one side of the V-shaped groove close to the fixed cover plate is an arc surface taking the central shaft of the central wheel as the circle center, so that the protruding shaft does not have obstacles when moving in the V-shaped groove.
Drawings
The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:
FIG. 1 is an overall schematic view of the present invention;
FIG. 2 is an exploded view of FIG. 1 of the present invention;
FIG. 3 is an enlarged view of a portion of the center wheel of the present invention;
FIG. 4 is an enlarged view of a portion of the drive wheel of the present invention;
FIG. 5 is a schematic view of the locking state of the present invention;
FIG. 6 is a schematic view of the unlocked state of the present invention;
FIG. 7 is a schematic view of the present invention in an expanded 180 degree position;
FIG. 8 is a schematic view of the present invention deployed 360 degrees and in an unlocked state;
FIG. 9 is a schematic view of the present invention deployed 360 degrees and in a locked state;
FIG. 10 is a schematic view of the solar wing of the present invention deployed 360 degrees;
FIG. 11 is a schematic view of a rotating assembly of the present invention.
Description of reference numerals:
1: fixing the cover plate; 2: a motor; 3: a driving wheel; 4: a center wheel; 5: a synchronous belt; 6: rotating the cover plate; 7: a protruding shaft; 8: a V-shaped groove; 9: a locking groove; 10: an opening; 11: a locking lever; 12: a fan-shaped solar wing; 13: connecting the rotating arm; 14: a first gear; 15: a second gear; 16: and rotating the shaft.
Detailed Description
The invention is described in further detail below with reference to the figures and specific examples. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise ratio for the purpose of facilitating and distinctly aiding in the description of the embodiments of the invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
Referring to fig. 1 to 11, the core of the invention is to provide a repeated unfolding and folding locking mechanism for a fan-shaped solar wing, which comprises a fixed cover plate 1, a driving device, a driving wheel 3, a central wheel 4, a belt, a rotating cover plate 6, a locking groove 9 and a locking rod 11.
The second end of the fixed cover plate 1 and the second end of the rotating cover plate 6 are rotatably connected through a rotating assembly, so that the rotating cover plate 6 can rotate relative to the fixed cover plate 1. The fan-shaped solar wing 12 is arranged between the rotating cover plate 6 and the fixed cover plate 1.
Specifically, the rotating assembly includes a connecting swivel arm 13, a first gear 14, and a second gear 15. One end of the connecting rotating arm 13 is rotatably connected to the fixed cover plate 1 through a first rotating pair, the other end of the connecting rotating arm is rotatably connected to the rotating cover plate 6 through a second rotating pair, and the first rotating pair and the second rotating pair are rotating shafts. The first gear 14 is fixedly arranged on the fixed cover plate 1, the central shaft of the first gear is coaxial with the first rotating pair, the second gear 15 is fixedly arranged on the rotating cover plate 6, the central shaft of the second gear is coaxial with the second rotating pair, and when the connecting rotating arm 13 rotates 180 degrees, the rotating cover plate 6 rotates. The fixed cover plate 1 and the rotating cover plate 6 are connected through the connecting rotating arm 13, so that the rotating connection is firmer, and the rotating connection is more reliable through the transmission of the first gear 14 and the second gear 15.
The first end of the fixed cover plate 1 is fixedly provided with a driving device, and the driving device is provided with an output shaft. In this embodiment, the driving device is a motor 2, and can realize forward rotation and reverse rotation. The output shaft is provided with a driving wheel 3, and the motor 2 drives the driving wheel 3 to rotate through the output shaft.
The second end of the fixed cover plate 1 is rotatably connected with a center wheel 4 through a rotating shaft 16, and a convex part protruding towards the upper end face of the fixed cover plate 1 is arranged on the center wheel 4, and the convex part is a convex shaft 7 in the embodiment. The driving wheel 3 and the central wheel 4 are connected through a belt, and the belt is preferably a synchronous belt 5. The motor 2 drives the driving wheel 3 to rotate, and the driving wheel 3 drives the central shaft to rotate through the transmission of the synchronous belt 5.
The second end of rotating apron 6 is equipped with concave part portion, and concave part portion is V-arrangement groove 8 in this embodiment, can drive during 4 rotations of centre wheel 7 get into V-arrangement groove 8, and then makes centre wheel 4 can drive rotating apron 6 and rotate around fixed apron 1 through the cooperation of protruding axle 7 and V-arrangement groove 8. Furthermore, one side of the V-shaped groove 8 close to the fixed cover plate 1 is an arc surface with the central axis of the central wheel 4 as the center of a circle, so that the protruding shaft 7 does not have an obstacle when moving in the V-shaped groove 8.
The first end of the rotating cover 6 is provided with a locking lever 11. The action wheel 3 is equipped with locking groove 9 towards the terminal surface of rotating apron 6, and locking lever 11 is located in locking groove 9, and one side of locking groove 9 is equipped with the opening 10 just right with protruding axle 7, that is to say that the opening 10 of locking groove 9 is located the collinear with protruding axle 7. When the locking lever 11 is dislocated with the opening 10 of the locking groove 9, the locking groove 9 limits the locking lever 11, and the rotating cover plate 6 is locked on the fixed cover plate 1. When the locking rod 11 is aligned with the opening 10 of the locking groove 9, the rotating cover plate 6 rotates to drive the locking rod 11 to leave the locking groove 9, and unlocking is achieved.
When the locking is furled, the fixed cover plate 1 is parallel and adjacent to the rotating cover plate 6, the locking rod 11 is positioned in the locking groove 9 and is staggered with the opening 10 of the locking rod, the side wall of the locking groove 9 limits the locking rod 11 to realize the locking of the rotating cover plate 6, and the rotating cover plate 6 is fixed on the fixed cover plate 1.
When unlocking and unfolding are carried out, the motor 2 drives the driving wheel 3 to rotate until the opening 10 of the locking groove 9 is opposite to the locking rod 11, so that unlocking is realized; meanwhile, the driving wheel 3 drives the central wheel 4 to rotate through the synchronous belt 5, so that the protruding shaft 7 enters the groove part, the rotating cover plate 6 is driven to rotate around the fixed cover plate 1 through the matching of the driving wheel and the fixed cover plate to realize unfolding, and the locking rod 11 leaves the locking cover plate through the opening 10 of the locking groove 9, so that the rotating cover plate 6 can smoothly continue to rotate.
The working process of the invention is further explained below:
fig. 6 is a schematic view of the unlocking state of the present invention, in which the driving wheel 3 is rotated 90 ° counterclockwise, the opening 10 of the locking groove 9 faces the locking lever 11 to the right side, and the limit of the locking lever 11 is released. The central wheel 4 synchronously rotates 90 degrees anticlockwise under the transmission of the synchronous belt 5, and the protruding shaft 7 rotates to the top end of the right V-shaped groove 8.
Fig. 7 is a schematic view of the present invention in an unfolded 180-degree state, with the driving wheel 3 rotated 180 degrees counterclockwise. Under the action of the synchronous belt 5, the central wheel 4 synchronously rotates 180 degrees anticlockwise, the protruding shaft 7 rotates to the upper side, the top end of the V-shaped groove 8 is driven to rotate 90 degrees, and the rotating cover plate 6 is unfolded 180 degrees.
Fig. 8 is a schematic view of the present invention in an unfolded 360 degree and unlocked state, the driving wheel 3 rotates 270 degrees counterclockwise, and the opening 10 of the locking slot 9 faces to the left. Under the action of the synchronous belt 5, the central wheel 4 synchronously rotates counterclockwise 270 degrees, the protruding shaft 7 rotates to the left side, and the top end of the V-shaped groove 8 is driven to rotate 180 degrees. The rotary cover plate 6 is unfolded by 360 degrees, and the fan-shaped wings are completely unfolded. The rotating cover 6 is moved to the left of the fixed cover 1 and the locking lever 11 is located at the opening 10 of the locking groove 9.
Fig. 9 is a schematic diagram of the present invention in a unfolded 360 degree and locked state, the driving wheel 3 rotates 360 degrees counterclockwise, the opening 10 of the locking slot 9 faces downward, and the locking rod 11 is limited. The central wheel 4 synchronously rotates anticlockwise for 360 degrees under the action of the synchronous belt 5, and the protruding shaft 7 rotates to the lower side.
Fig. 10 is a schematic view of the sun wing of the present invention when it is unfolded 360 degrees, and the driving wheel 3 rotates 360 degrees clockwise to unlock, fold and re-lock the sector sun wing 12, which is the reverse process of the above steps.
The repeated unfolding and folding locking mechanism for the fan-shaped solar wing can realize the functions of unlocking the folded state of the fan-shaped solar wing 12, unfolding the fan-shaped wing and locking the unfolded fan-shaped solar wing. The mechanism has compact structure, small size and light weight, and can be driven by one set of motor 2 to reliably realize the functions of unfolding, folding and locking the fan-shaped solar wings 12.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, it is still within the scope of the present invention if they fall within the scope of the claims of the present invention and their equivalents.
Claims (5)
1. The utility model provides a fan-shaped sun wing is expanded repeatedly and is drawn in locking mechanical system, its characterized in that includes:
fixing the cover plate;
the driving device is fixedly arranged at the first end of the fixed cover plate and is provided with an output shaft;
the driving wheel is arranged on the output shaft, and the driving device is used for driving the driving wheel to rotate;
the central wheel is rotationally connected to the second end of the fixed cover plate, and a convex part is arranged on the central wheel;
the belt is connected with the driving wheel and the central wheel;
the second end of the rotating cover plate is rotatably connected with the second end of the fixed cover plate through a rotating assembly, the second end of the rotating cover plate is provided with a groove part, and a fan-shaped solar wing is arranged between the rotating cover plate and the fixed cover plate;
the locking groove is arranged on one end face, facing the rotating cover plate, of the driving wheel, and an opening opposite to the protruding portion is formed in one side of the locking groove;
the locking rod is arranged at the first end of the rotating cover plate;
when the locking device is closed and locked, the fixed cover plate is parallel and adjacent to the rotating cover plate, the locking rod is positioned in the locking groove and is staggered with the opening of the locking groove, and the side wall of the locking groove limits the locking rod to realize the locking of the rotating cover plate;
when the locking device is unlocked and unfolded, the driving device drives the driving wheel to rotate until the opening of the locking groove is opposite to the locking rod, so that unlocking is realized; meanwhile, the driving wheel drives the center wheel to rotate through the belt transmission, so that the protruding portion enters the groove portion, the rotating cover plate is driven to rotate around the fixed cover plate through the cooperation of the driving wheel and the fixed cover plate to achieve unfolding, and at the moment, the locking rod leaves the locking groove through the opening of the locking groove.
2. The mechanism of claim 1, wherein the rotation assembly comprises:
one end of the connecting rotating arm is rotatably connected to the fixed cover plate through a first rotating pair, and the other end of the connecting rotating arm is rotatably connected to the rotating cover plate through a second rotating pair;
the first gear is fixedly arranged on the fixed cover plate, and the central shaft of the first gear is coaxial with the first rotating pair;
and the second gear is fixedly arranged on the rotating cover plate, and the central shaft of the second gear is coaxial with the second revolute pair.
3. The mechanism of claim 1, wherein the driving device is a motor.
4. The mechanism as claimed in claim 1, wherein the belt is a synchronous belt.
5. The mechanism as claimed in claim 1, wherein the protrusion is a protrusion shaft, the groove is a V-shaped groove, and one side of the V-shaped groove close to the fixed cover plate is an arc surface with a center axis of the central wheel as a center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110826222.9A CN113548201B (en) | 2021-07-21 | 2021-07-21 | Fan-shaped solar wing repeated unfolding and folding locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110826222.9A CN113548201B (en) | 2021-07-21 | 2021-07-21 | Fan-shaped solar wing repeated unfolding and folding locking mechanism |
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| Publication Number | Publication Date |
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| CN113548201A CN113548201A (en) | 2021-10-26 |
| CN113548201B true CN113548201B (en) | 2022-08-05 |
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| CN202110826222.9A Active CN113548201B (en) | 2021-07-21 | 2021-07-21 | Fan-shaped solar wing repeated unfolding and folding locking mechanism |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560107B (en) * | 2022-03-14 | 2023-04-25 | 南京航空航天大学 | Flexible fan-shaped solar wing hinge mechanism capable of being repeatedly folded and unfolded |
| CN115610709B (en) * | 2022-10-26 | 2024-02-09 | 重庆开拓卫星科技有限公司 | Folding solar wing mechanism capable of being folded repeatedly |
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