CN214524463U - Motor-driven folding and unfolding device for solar sailboard - Google Patents
Motor-driven folding and unfolding device for solar sailboard Download PDFInfo
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- CN214524463U CN214524463U CN202023143211.0U CN202023143211U CN214524463U CN 214524463 U CN214524463 U CN 214524463U CN 202023143211 U CN202023143211 U CN 202023143211U CN 214524463 U CN214524463 U CN 214524463U
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- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 26
- 239000010959 steel Substances 0.000 claims abstract description 26
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 230000002441 reversible effect Effects 0.000 claims description 3
- 230000002457 bidirectional effect Effects 0.000 claims 2
- 238000004886 process control Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
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Abstract
The utility model discloses a motor drive's solar array's book exhibition device belongs to space flight technical field. A folding and unfolding device of a solar sailboard driven by a motor consists of a transmission part, a sailboard part and a rope pulley linkage part, wherein the transmission part takes the motor as a power source, and a parallelogram mechanism consisting of an original moving rod, a transmission connecting rod, a regular triangle connecting rod, a bracket and a mounting arm transmits power to provide power for the folding and unfolding motion of the mechanism; the sailboard part consists of a middle sailboard unit and a tail board and is used for clamping a solar panel carried by spaceflight; the rope wheel linkage part consists of pulleys and a soft steel rope, the pulleys are fixed at the rotating connection part of each sailboard, and the soft steel rope winds the two adjacent pulleys to form a transmission closed loop, so that the sailboards can synchronously and reversely rotate. The utility model discloses provide power by the motor, it is simple to launch process control, and is little to spacecraft flight attitude influence, can repeat the book exhibition, simple structure, and fold condition is compact, is fit for more using in the aerospace field.
Description
Technical Field
The utility model relates to an aerospace technical field, concretely relates to motor drive's solar array's book exhibition device.
Background
In the field of aerospace, a solar array is a solar cell array for converting solar energy into electric energy in a spacecraft such as an artificial satellite, is the most main power source of the current artificial satellite, and is one of the most core components of the spacecraft. Because the rocket carrying space is limited and the area of the solar sailboard is large, the sailboard can only be folded and placed before entering the orbit, and then the ground control center instructs the sailboard to gradually complete unfolding action on the space orbit according to the design requirement and then to be fixed and kept in a working state, so that the folding and unfolding mechanism of the solar sailboard directly influences the performance of the spacecraft.
A common solar panel unfolding mechanism is an inflation unfolding type, adopts the combined action of a driving inflation tube and an inflation guide tube, has the characteristics of light weight, strong reliability and the like, but has unstable unfolding process and low inflation efficiency, and influences the normal flying attitude of a spacecraft to a certain extent; the other common solar sailboard is a spiral telescopic solar sailboard, the solar sailboard is unfolded to a designated position by adopting a spiral transmission principle, the control is simple, but the solar sailboard needs better lubrication, the vibration easily causes the failure of thread transmission, and the working stability is not high; the common solar sailboards are in torsional spring expansion type, the torsional springs arranged at the hinged positions of the sailboards provide expansion power, the sailboards on the same side can be synchronously expanded, a locking mechanism and a damping mechanism are required to be arranged, the whole mechanical structure is complex, and the folding is not compact.
Disclosure of Invention
The utility model discloses to present spacecraft solar array deployment mechanism expand defects such as the process is unstable, the structure is complicated, structure is not compact when folding, provide a motor drive's solar array's book exhibition device, it has expansion process stability, easily control, simple structure, when folding compact structure and can repeatedly roll over characteristics such as exhibition.
A folding and unfolding device of a motor-driven solar sailboard is composed of a transmission frame part, a sailboard part and a rope pulley linkage part.
The transmission frame part specifically comprises a mounting arm, a motor, a bracket, an original moving rod, a transmission connecting rod, a regular triangle connecting rod and a rocker arm frame; the motor is fixed inside the mounting arm and provides power for folding and unfolding of the mechanism; the bracket is welded on the mounting arm to form a fixed frame with the mounting arm; one end of the driving rod is fixedly connected with an output shaft of the motor, and the other end of the driving rod is rotatably connected with one end of the transmission connecting rod through a pin shaft; the length of three sides of the regular triangle connecting rod is equal to that of the driving link, two corners of the regular triangle connecting rod are respectively in rotary connection with the bracket and the transmission connecting rod through pin shafts, and the other corner is welded on the rocker arm frame; two ends of the rocker arm frame and two ends of the mounting arm form rotary connection through pin shafts, and the axes of the two rotary pairs are collinear with the axes of the rotary pairs of the bracket-regular triangle connecting rod; the original moving rod, the transmission connecting rod, the regular triangle connecting rod, the bracket and the mounting arm form a parallelogram mechanism for transmission of folding and unfolding motion of the solar sailboard.
The sailboard part consists of two middle sailboard units and a tail board; the middle sailboard unit consists of a one-way connecting rod, a two-way connecting rod, a fixing rod, a solar panel and a screw; grooves with the thickness consistent with that of the solar panel are formed in one side of the two-way connecting rod and one side of the fixing rod and used for clamping the solar panel, and the two-way connecting rod and the fixing rod are fixed with the one-way connecting rod through screws and used for clamping the solar panel; the tail plate structure is slightly different from the middle sailboard unit, and specifically comprises a one-way connecting rod, a fixing rod, a tail plate connecting rod and a screw; grooves with the thickness consistent with that of the solar panel are formed in one side of the tail plate connecting rod and the fixing rod and used for clamping the solar panel, and the tail plate connecting rod and the fixing rod are fixed with the one-way connecting rod and the tail plate fixing rod through screws and used for clamping the solar panel in the middle; the middle sailboard units are rotationally connected from head to tail through pin shafts, and the tail ends of the middle sailboard units are connected with 1 tail board; the connecting parts of the one-way connecting rod and the two-way connecting rod are respectively bent to realize the complete folding of the solar panel.
The rope wheel linkage part specifically comprises a large pulley, a first small pulley, a second small pulley, a third small pulley, a fourth small pulley, a fifth small pulley, a first soft steel rope, a second soft steel rope and a third soft steel rope; the radius of the big pulley is twice of that of the small pulley so as to ensure the synchronous folding and unfolding and the complete folding and unfolding of the sailboard part; the large pulley is fixed on the mounting arm through a screw, and the mounting axis of the large pulley is collinear with the rotating axis formed by the rocker arm frame and the mounting arm; the first small pulley is fixed at one end of a two-way connecting rod in the middle sailboard one unit through a screw; the large pulley and the first small pulley form a transmission closed loop through the first soft steel cable; the second small pulley is fixed at the rotary connection part of the rocker arm frame through a screw; the third small pulley is fixed at one end of a two-way connecting rod in the middle sailboard two unit through a screw; the second small pulley and the third small pulley form a transmission closed loop through the second soft steel rope; the fourth small pulley is fixed at the other end of the two-way connecting rod in the middle sailboard unit through a screw; the fifth small pulley is fixed at one end of a tail plate connecting rod in the tail plate through a screw; the fourth small pulley and the fifth small pulley form a transmission closed loop through the third soft steel cable; the pulleys drive the sailboards connected with the pulleys to rotate, and the transmission closed loops formed by the pulleys and the soft steel cables transmit power in sequence to realize synchronous reverse unfolding of the adjacent sailboards.
Folding and unfolding processes: after the spacecraft enters a preset track, the motor drives the original moving rod to rotate 90 degrees anticlockwise to drive a parallelogram mechanism consisting of the mounting arm, the original moving rod, the transmission connecting rod, the regular triangle connecting rod and the rocker arm frame to move, the rocker arm frame rotates 90 degrees anticlockwise along with the original moving rod, under the action of the rope pulley linkage part, all adjacent sailboards synchronously rotate 180 degrees, and the directions are opposite, so that the complete unfolding of the solar sailboards is realized; likewise, the output shaft of the motor rotates reversely by 90 degrees, and the complete folding of the solar sailboard is realized.
The utility model discloses following beneficial effect has.
1. The folding and unfolding device of the solar sailboard is powered by a motor, and the folding and unfolding process is easy to control; after the folding mechanism is unfolded to the designated position, a locking device is not needed, so that the structure of the mechanism is simpler, and the folding mechanism can be folded and unfolded repeatedly.
2. The rope pulley mechanism is adopted between the sailboard units of the device to realize linkage, the folding and unfolding processes are synchronous and stable, and the influence on the flight attitude of the spacecraft is greatly reduced.
3. The rotary joints of the sailboards are bent, so that the sailboards can be completely folded, and are small in size and compact in structure after being folded.
4. The middle sailboard units of the device are identical in structure, and only front and back staggered end-to-end connection is needed during installation, so that the number of sailboards can be increased and decreased conveniently.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is an overall schematic view of a folding and unfolding apparatus for a solar panel according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a transmission frame part according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a middle windsurfing board unit according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a tail plate according to an embodiment of the present invention.
Fig. 5 is a partial enlarged view of a rotating joint a of the windsurfing board unit according to the embodiment of the present invention.
Fig. 6 is a schematic view of the bending design of the rotation joint of the sailboard according to the embodiment of the present invention.
Fig. 7 is a schematic structural view of a rope pulley linkage portion according to an embodiment of the present invention.
Fig. 8 is a schematic view of a solar panel according to an embodiment of the present invention in a fully folded state.
Fig. 9 is a schematic view of a fully unfolded state of the solar array panel according to an embodiment of the present invention.
In the figure, 1-a spacecraft 2-a transmission frame part 3-a middle sailboard one unit 4-a middle sailboard two unit 5-a tail board 6-a rope pulley linkage part 7-a rocker arm frame 8-a mounting arm 9-a transmission connecting rod 10-a primary rod 11-a motor 12-a bracket 13-a regular triangle connecting rod 14-a fixing rod 15-a one-way connecting rod 16-a two-way connecting rod 17-a solar panel 18-a screw 19-a tail board connecting rod 20-a tail board fixing rod 21-a large pulley 22-a first soft steel rope 23-a first small pulley 24-a second small pulley 25-a second soft steel rope 26-a third small pulley 27-a fourth small pulley 28-a third soft steel rope 29-a fifth small pulley.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The embodiment provides a folding and unfolding device of a motor-driven solar sailboard, which specifically comprises a transmission frame part 2, a sailboard part and a rope pulley linkage part 6.
As shown in the figure, the transmission frame part 2 specifically comprises a mounting arm 8, a motor 11, a bracket 12, an original rod 10, a transmission connecting rod 9, a regular triangle connecting rod 13 and a rocker arm frame 7; the motor 11 is fixed inside the mounting arm 8 and provides power for folding and unfolding of the mechanism; the bracket 12 is welded on the mounting arm 8 to form a fixed frame with the mounting arm; one end of the original moving rod 10 is fixedly connected with an output shaft of the motor 11, and the other end of the original moving rod is rotatably connected with one end of the transmission connecting rod 9 through a pin shaft; the length of three sides of the regular triangle connecting rod 13 is equal to that of the original moving rod 10, two corners of the regular triangle connecting rod 13 are respectively in rotary connection with the bracket 12 and the transmission connecting rod 9 through pin shafts, and the other corner is welded on the rocker arm frame 7; two ends of the rocker arm frame 7 and two ends of the mounting arm 8 form rotary connection through pin shafts, and the axes of the two rotary pairs are collinear with the axes of the rotary pairs of the bracket 12-the regular triangle connecting rod 13; the original moving rod 10, the transmission connecting rod 9, the regular triangle connecting rod 13, the bracket 12 and the mounting arm 8 form a parallelogram mechanism for transmission of folding and unfolding motion of the solar sailboard.
As shown in the figures, the sailboard section consists of two middle sailboard units and a tail board 5; the middle sailboard unit consists of a one-way connecting rod 15, a two-way connecting rod 16, a fixing rod 14, a solar panel 17 and a screw 18; grooves with the thickness consistent with that of the solar panel 17 are formed in one side of each of the two-way connecting rod 16 and the fixing rod 14 and used for clamping the solar panel 17, and the two-way connecting rod and the fixing rod are fixed with the one-way connecting rod 15 through screws 18 and used for clamping the solar panel 17; the tail board 5 is slightly different from the middle sailboard unit in structure, and specifically comprises a one-way connecting rod 15, a fixing rod 14, a tail board fixing rod 20, a tail board connecting rod 19 and a screw 18; grooves with the thickness consistent with that of the solar panel 17 are formed in one side of the tail plate connecting rod 19 and one side of the fixing rod 14 and used for clamping the solar panel 17, and the tail plate connecting rod 19 and the fixing rod 14 are fixed with the one-way connecting rod 15 and the tail plate fixing rod 20 through screws 18 and used for clamping the solar panel 17 in the middle; the middle sailboard units are rotationally connected through a pin shaft, and the tail end of each middle sailboard unit is connected with a tail board 5; the connecting parts of the one-way connecting rod 15 and the two-way connecting rod 16 are respectively bent to realize the complete folding of the solar sailboard.
As shown in the figure, the sheave linkage portion 6 specifically includes a large sheave 21, a first small sheave 23, a second small sheave 24, a third small sheave 26, a fourth small sheave 27, a fifth small sheave 29, a first soft steel rope 22, a second soft steel rope 25, and a third soft steel rope 28; the radius of the large pulley 21 is twice that of the small pulley, so as to ensure the synchronous folding and the complete folding and the unfolding of the sailboard part; the large pulley 21 is fixed on the mounting arm 8 through a screw, and the mounting axis of the large pulley is collinear with the rotation axis formed by the rocker arm frame 7 and the mounting arm 8; the first small pulley 23 is fixed at one end of the two-way connecting rod 16 in the middle windsurfing board unit 3 through a screw; the large pulley 21 and the first small pulley 23 form a transmission closed loop through the first soft steel rope 22; the second small pulley 24 is fixed at the rotary connection position of the rocker arm frame 7 through a screw; the third small pulley 26 is fixed at one end of the two-way connecting rod 16 in the middle windsurfing board two-unit 4 through a screw; the second small pulley 24 and the third small pulley 26 form a transmission closed loop through the second soft steel rope 25; the fourth small pulley 27 is fixed at the other end of the two-way connecting rod 16 in the middle windsurfing board unit 3 through a screw; the fifth small pulley 29 is fixed at one end of the tail plate connecting rod 19 in the tail plate 5 through a screw; the fourth small pulley 27 and the fifth small pulley 29 form a transmission closed loop through the third flexible steel cable 28; the pulleys drive the sailboards connected with the pulleys to rotate, and the transmission closed loops formed by the pulleys and the soft steel cables transmit power in sequence to realize synchronous reverse unfolding of the adjacent sailboards.
As shown in the figure, after the spacecraft 1 enters a preset orbit, the motor 11 drives the original rod 10 to rotate 90 degrees anticlockwise to drive a parallelogram mechanism consisting of the mounting arm 8, the original rod 10, the transmission connecting rod 9, the regular triangle connecting rod 13 and the rocker arm frame 7 to move, the rocker arm frame 7 rotates 90 degrees anticlockwise, and under the action of the rope pulley linkage part 6, each adjacent sailboard synchronously rotates 180 degrees in opposite directions, so that the solar sailboards are completely unfolded; likewise, the output shaft of the motor rotates reversely by 90 degrees, and the complete folding of the solar sailboard is realized.
Claims (9)
1. A folding and unfolding device of a motor-driven solar sailboard is composed of a transmission frame part (2), a sailboard part and a rope pulley linkage part (6);
the transmission frame part (2) consists of a mounting arm (8), a motor (11), a bracket (12), a driving rod (10), a transmission connecting rod (9), a regular triangle connecting rod (13) and a rocker arm frame (7); the motor (11) is fixed inside the mounting arm (8) and provides power for folding and unfolding of the mechanism; the bracket (12) is welded on the mounting arm (8) to form a fixed frame with the mounting arm; one end of the original moving rod (10) is fixedly connected with an output shaft of the motor (11), and the other end of the original moving rod is rotationally connected with one end of the transmission connecting rod (9) through a pin shaft; two angles of the regular triangle connecting rod (13) are respectively in rotary connection with the bracket (12) and the transmission connecting rod (9) through pin shafts, and the other angle is welded on the rocker arm frame (7); two ends of the rocker arm frame (7) and two ends of the mounting arm (8) form two revolute pairs through pin shafts, and the axes of the two revolute pairs are collinear with the axes of the revolute pairs of the bracket (12) and the regular triangle connecting rod (13); the original moving rod (10), the transmission connecting rod (9), the regular triangle connecting rod (13), the bracket (12) and the mounting arm (8) form a parallelogram mechanism for transmission of folding and unfolding motion of the solar sailboard;
the sailboard part consists of two middle sailboard units and a tail board (5); the middle sailboard unit consists of a one-way connecting rod (15), a two-way connecting rod (16), a fixing rod (14) and a solar panel (17); grooves with the thickness consistent with that of the solar panel (17) are formed in one surfaces of the two-way connecting rod (16) and the fixing rod (14) and used for clamping the solar panel (17), and the grooves are fixed with the one-way connecting rod (15) and used for clamping the solar panel (17); the structure of the tail board (5) is slightly different from that of the middle sailboard unit, and the tail board specifically comprises a one-way connecting rod (15), a fixing rod (14), a tail board fixing rod (20) and a tail board connecting rod (19); grooves with the thickness consistent with that of the solar panel (17) are formed in one surfaces of the tail plate connecting rod (19) and the fixing rod (14) and used for clamping the solar panel (17), and the grooves are fixed with the one-way connecting rod (15) and the tail plate fixing rod (20) and used for clamping the solar panel (17) in the middle; the middle sailboard units are rotationally connected through a pin shaft, and the tail end of each middle sailboard unit is connected with a tail board (5);
the rope wheel linkage part (6) specifically comprises a large pulley (21), a first small pulley (23), a second small pulley (24), a third small pulley (26), a fourth small pulley (27), a fifth small pulley (29), a first soft steel cable (22), a second soft steel cable (25) and a third soft steel cable (28); the radius of the large pulley (21) is twice that of the small pulley so as to ensure the synchronous folding and the complete folding and the unfolding of the sailboard part; the large pulley (21) is fixed on the mounting arm (8), and the mounting axis of the large pulley is collinear with the rotation axis formed by the rocker arm frame (7) and the mounting arm (8); the first small pulley (23) is fixed at one end of a bidirectional connecting rod (16) in the middle sailboard one unit (3); the large pulley (21) and the first small pulley (23) form a transmission closed loop through the first soft steel rope (22); the second small pulley (24) is fixed at the rotary connection part of the rocker arm frame (7); the third small pulley (26) is fixed at one end of a two-way connecting rod (16) in the middle windsurfing board two unit (4); the second small pulley (24) and the third small pulley (26) form a transmission closed loop through the second soft steel rope (25); the fourth small pulley (27) is fixed at the other end of the two-way connecting rod (16) in the middle sailboard one unit (3); the fifth small pulley (29) is fixed at one end of a tail plate connecting rod (19) in the tail plate (5); the fourth small pulley (27) and the fifth small pulley (29) form a transmission closed loop through the third soft steel rope (28); the pulleys drive the sailboards connected with the pulleys to rotate, and the transmission closed loops formed by the pulleys and the soft steel cables transmit power in sequence to realize synchronous reverse unfolding of the adjacent sailboards.
2. The folding and unfolding device for the motor-driven solar sailboard as claimed in claim 1, wherein the connecting portions of the unidirectional connecting rod (15) and the bidirectional connecting rod (16) are respectively designed to be folded to achieve complete folding of the solar sailboard.
3. A motor driven solar panel folding and unfolding device as claimed in claim 1, characterised in that said regular triangle shaped connecting rods (13) are all equal in length on three sides to said primary rods (10).
4. The folding and unfolding device for motor-driven solar sailboards, according to claim 1, characterized in that the two-way connection rods (16) and the fixing rods (14) are fixed to the one-way connection rods (15) by means of screws (18).
5. The motor-driven solar panel folding and unfolding device as claimed in claim 1, wherein the said tail-board connecting rod (19) and the said fixing rod (14) are fixed with the said unidirectional connecting rod (15) and the said tail-board fixing rod (20) by screws (18).
6. A motor driven solar sail panel folding and unfolding arrangement, according to claim 1, wherein the intermediate sailboard one unit (3) and the intermediate sailboard two unit (4) are identical in structure.
7. The motor-driven solar panel folding and unfolding device as claimed in claim 1, wherein the first small pulley (23), the second small pulley (24), the third small pulley (26), the fourth small pulley (27) and the fifth small pulley (29) are identical in structure.
8. A motor driven solar panel furling and unrolling device as claimed in claim 1, characterised in that the second and third flexible cables (25, 28) are of the same length.
9. The motor-driven solar panel folding and unfolding device as claimed in claim 1, wherein the large pulley (21), the first small pulley (23), the second small pulley (24), the third small pulley (26), the fourth small pulley (27) and the fifth small pulley (29) are fixed in corresponding positions by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023143211.0U CN214524463U (en) | 2020-12-23 | 2020-12-23 | Motor-driven folding and unfolding device for solar sailboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023143211.0U CN214524463U (en) | 2020-12-23 | 2020-12-23 | Motor-driven folding and unfolding device for solar sailboard |
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| Publication Number | Publication Date |
|---|---|
| CN214524463U true CN214524463U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023143211.0U Expired - Fee Related CN214524463U (en) | 2020-12-23 | 2020-12-23 | Motor-driven folding and unfolding device for solar sailboard |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230115463A (en) * | 2022-01-27 | 2023-08-03 | 한국해양대학교 산학협력단 | deployable solar power generator |
-
2020
- 2020-12-23 CN CN202023143211.0U patent/CN214524463U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230115463A (en) * | 2022-01-27 | 2023-08-03 | 한국해양대학교 산학협력단 | deployable solar power generator |
| KR102674969B1 (en) | 2022-01-27 | 2024-06-12 | 국립한국해양대학교 산학협력단 | deployable solar power generator |
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Granted publication date: 20211029 |