Solar wing lifting and overturning mechanism

Abstract

The utility model relates to the technical field of satellites, in particular to a solar wing lifting and overturning mechanism. The solar wing lifting and overturning mechanism comprises a lifting mechanism and an overturning mechanism, the lifting mechanism comprises an opening and closing assembly, an opening and closing limiting assembly, a first synchronous linkage piece and a second synchronous linkage piece. One end of the opening and closing assembly is arranged on the mounting base plate through the first synchronous linkage piece, and the other end of the opening and closing assembly is connected with the turnover mechanism through the second synchronous linkage piece; the opening and closing limiting assembly is arranged at the opening and closing position of the opening and closing assembly. The turnover mechanism comprises a turnover limiting assembly, a supporting seat and a solar wing; the solar wing is connected with the supporting base through the overturning limiting assembly. According to the solar wing lifting and overturning mechanism, passive driving is adopted, and the problem that in the prior art, active driving enables the mass of a solar wing to be increased, and consequently the launching cost is increased is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of satellites, in particular to a solar wing lifting and flipping mechanism. Background Art

[0002] At present, most of the solar wing lifting and flipping mechanisms use active drive. Active drive requires the installation of motors on the solar wing, which will increase the mass of the solar wing and increase the launch cost. With the continuous development of aerospace technology, miniaturization and lightweight are the future development trends of solar wing lifting and flipping mechanisms. Therefore, it is necessary to provide a miniaturized and lightweight solar wing lifting and flipping mechanism to solve the problem that the active drive in the prior art increases the mass of the solar wing and increases the launch cost. Utility Model Content

[0003] The utility model aims to provide a solar wing lifting and flipping mechanism, and the specific technical scheme is as follows:

[0004] A solar wing lifting and flipping mechanism comprises a lifting mechanism and a flipping mechanism; the lifting mechanism comprises an opening and closing assembly, an opening and closing limit assembly, a first synchronous linkage and a second synchronous linkage; one end of the opening and closing assembly is arranged on a mounting base plate via the first synchronous linkage, and the other end thereof is connected to the flipping mechanism via the second synchronous linkage; the opening and closing limit assembly is arranged at the opening and closing position of the opening and closing assembly; the flipping mechanism comprises a flipping limit assembly, a support seat and a solar wing; the solar wing is connected to the support seat via the flipping limit assembly.

[0005] Optionally, the opening and closing assembly includes a first connecting rod and a third connecting rod arranged in parallel and a second connecting rod and a fourth connecting rod arranged in parallel; one end of the first connecting rod is rotatably connected to the first synchronous linkage, and the other end is hinged to the second connecting rod; one end of the second connecting rod away from the first connecting rod is rotatably connected to the second synchronous linkage; one end of the third connecting rod is rotatably connected to the second synchronous linkage, and the other end is hinged to the fourth connecting rod; one end of the fourth connecting rod away from the third connecting rod is rotatably connected to the first synchronous linkage; the opening and closing limit assembly is arranged between the first connecting rod and the second connecting rod or between the third connecting rod and the fourth connecting rod.

[0006] Optionally, the opening and closing limit assembly includes a first connecting block, a second connecting block, a first torsion spring and an opening and closing limit component; the first connecting block is connected to the first connecting rod, and the second connecting block is connected to the second connecting rod; or, the first connecting block is connected to the fourth connecting rod, and the second connecting block is connected to the third connecting rod; the first connecting block and the second connecting block are connected by a rotating shaft; the first torsion spring is arranged on the rotating shaft and is compressed between the first connecting block and the second connecting block; the opening and closing limit component is arranged on the first connecting block and the second connecting block.

[0007] Optionally, the opening and closing limit component includes a tightening limit hook, an expansion limit column, a first mounting seat and a second mounting seat; the first mounting seat is arranged on the first connecting block; the second mounting seat is arranged on the second connecting block; a first connecting shaft is arranged on the first mounting seat, and a second connecting shaft is arranged on the second mounting seat, one end of the tightening limit hook is rotatably connected to the first connecting shaft, and the other end thereof is a hook groove structure, and is engaged with the second connecting shaft; one end of the expansion limit column is connected to the first mounting seat, and the other end is engaged with the second mounting seat.

[0008] Optionally, the first synchronous linkage member includes a first gear, a second gear, a first connecting portion, a second connecting portion and a first mounting groove; the first mounting groove is arranged on a mounting base plate; the first gear is rotatably mounted on the first mounting groove via a first rotating shaft; the second gear is rotatably mounted on the first mounting groove via a second rotating shaft; the first gear is meshed with the second gear; one end of the first connecting portion is fixedly connected to the first rotating shaft, and the other end is connected to the first connecting rod; one end of the second connecting portion is fixedly connected to the second rotating shaft, and the other end is connected to the fourth connecting rod;

[0009] The second synchronous linkage includes a third gear, a fourth gear, a third connecting portion, a fourth connecting portion and a second mounting groove; the second mounting groove is arranged on a support seat; the third gear is rotatably mounted on the second mounting groove through a third rotating shaft; the fourth gear is rotatably mounted on the second mounting groove through a fourth rotating shaft; the third gear is meshed with the fourth gear; one end of the third connecting portion is fixedly connected to the third rotating shaft, and the other end is connected to the second connecting rod; one end of the fourth connecting portion is fixedly connected to the fourth rotating shaft, and the other end is connected to the fourth connecting rod.

[0010] Optionally, the flip limit assembly includes a first hinge, a second hinge, a second torsion spring, an explosive bolt and a limit locking component; the first hinge is connected to the support seat, and the second hinge is connected to the solar wing; a first ear plate is arranged on the first hinge, and a second ear plate is arranged on the second hinge, and the first ear plate and the two ear plates are rotatably connected through a fifth rotating shaft; the second torsion spring is arranged on the fifth rotating shaft and is compressed and arranged between the first hinge and the second hinge; a countersunk hole for accommodating the limit locking component is arranged on the first ear plate, and a through hole adapted to the countersunk hole is arranged on the second ear plate; the limit locking component is in a compressed state before penetrating the through hole, and the through hole and the countersunk hole are staggered; a first connecting plate is arranged on the end of the first hinge away from the first ear plate, and a second connecting plate is arranged on the end of the second hinge away from the second ear plate, the first connecting plate and the second connecting plate are staggered, and both are provided with mounting holes for the explosive bolt to penetrate; a heating resistor is arranged in the explosive bolt, and the heating resistor is connected to the power supply on the satellite.

[0011] Optionally, the limiting locking component includes an elastic member and a limiting pin; one end of the elastic member is connected to the bottom of the countersunk hole, and the other end is connected to the limiting pin; the elastic member is in a compressed state before the limiting pin passes through the through hole.

[0012] Optionally, the limiting pin is a T-shaped column structure, with a small diameter end disposed close to the through hole and a large diameter end disposed close to the elastic member; the large diameter end of the limiting pin has a diameter greater than an inner diameter of the through hole.

[0013] Optionally, the elastic member includes a spring.

[0014] Optionally, a limiting groove is provided on the first hinge, and one end of the second ear plate of the second hinge is accommodated in the limiting groove.

[0015] The application of the technical solution of the utility model has at least the following beneficial effects:

[0016] The utility model provides a solar wing lifting and flipping mechanism, which is passively driven, and solves the problem that the active drive in the prior art increases the mass of the solar wing and causes an increase in the launch cost. Specifically, the utility model adopts an opening and closing limit assembly, a first synchronous linkage, and a second synchronous linkage to achieve the expansion limit effect of the opening and closing assembly; and adopts a flip limit assembly to achieve the flip limit of the solar wing relative to the support seat, so that the solar wing can be unfolded to collect solar energy.

[0017] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 is a schematic structural diagram of a solar wing lifting and flipping mechanism in an embodiment after the solar wing is flipped to a limited position and fully unfolded;

[0020] Figure 2 is a schematic structural diagram of a solar wing flipping mechanism in an embodiment after the solar wing is flipped and limited;

[0021] Figure 3 is a schematic structural diagram of a solar wing lifting and flipping mechanism in an embodiment before the solar wing flips and limits;

[0022] Figure 4 is a structural schematic diagram of an opening and closing limit assembly of a solar wing lifting and flipping mechanism in an embodiment;

[0023] Figure 5 is a structural schematic diagram of a first synchronous linkage member of a solar wing lifting and flipping mechanism in an embodiment;

[0024] Figure 6 is a structural schematic diagram of a flip limit assembly of a solar wing lifting and flipping mechanism in an embodiment;

[0025] Among them, 1. lifting mechanism, 1.1. opening and closing assembly, 1.1.1. first connecting rod, 1.1.2. second connecting rod, 1.1.3. third connecting rod, 1.1.4. fourth connecting rod, 1.2. opening and closing limit assembly, 1.2.1. first connecting block, 1.2.2. second connecting block, 1.2.3. first torsion spring, 1.2.4. tightening limit barb, 1.2.5. unfolding limit column, 1.2.6. first mounting seat, 1.2.7. Second mounting seat, 1.3, first synchronous linkage part, 1.3.1, first gear, 1.3.2, second gear, 1.3.3, first connecting part, 1.3.4, second connecting part, 2, flipping mechanism, 2.1, flipping limit assembly, 2.1.1, first hinge, 2.1.2, second hinge, 2.1.3, second torsion spring, 2.1.4, mounting hole, 2.1.5, limit pin, 2.2, solar wing, A, mounting base, B, support seat. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0027] Example:

[0028] See also Figure 1-Figure 6 A solar wing lifting and flipping mechanism comprises a lifting mechanism 1 and a flipping mechanism 2; the lifting mechanism 1 is divided into two groups, and each group of the lifting mechanism 1 comprises an opening and closing component 1.1, an opening and closing limit component 1.2, a first synchronous linkage part 1.3 and a second synchronous linkage part; one end of the opening and closing component 1.1 is arranged on a mounting substrate A through the first synchronous linkage part 1.3, and the other end thereof is connected to a support seat B through the second synchronous linkage part; the opening and closing limit component 1.2 is arranged at the opening and closing position of the opening and closing component 1.1; the flipping mechanism 2 comprises a flipping limit component 2.1 and a solar wing 2.2; the solar wing 2.2 is connected to the support seat through the flipping limit component 2.1.

[0029] The opening and closing assembly 1.1 includes a first connecting rod 1.1.1 and a third connecting rod 1.1.3 arranged in parallel, and a second connecting rod 1.1.2 and a fourth connecting rod 1.1.4 arranged in parallel; one end of the first connecting rod 1.1.1 is rotatably connected to the first synchronous linkage 1.3, and the other end is hinged to the second connecting rod 1.1.2; the end of the second connecting rod 1.1.2 away from the first connecting rod 1.1.1 is rotatably connected to the second synchronous linkage; one end of the third connecting rod 1.1.3 is rotatably connected to the two synchronous linkages, and the other end is hinged to the fourth connecting rod 1.1.4; one end of the fourth connecting rod 1.1.4 away from the third connecting rod 1.1.3 is rotatably connected to the first synchronous linkage 1.3; the opening and closing limit assembly 1.2 is arranged between the fourth connecting rod 1.1.4 and the third connecting rod 1.1.3.

[0030] See also Figure 4The opening and closing limit assembly 1.2 includes a first connecting block 1.2.1, a second connecting block 1.2.2, a first torsion spring 1.2.3 and an opening and closing limit component; the first connecting block 1.2.1 is connected to the fourth connecting rod 1.1.4, and the second connecting block 1.2.2 is connected to the third connecting rod 1.1.3; the first connecting block 1.2.1 and the second connecting block 1.2.2 are connected by a rotating shaft; the first torsion spring 1.2.3 is arranged on the rotating shaft and is compressed between the first connecting block 1.2.1 and the second connecting block 1.2.2; the opening and closing limit component is arranged on the first connecting block 1.2.1 and the second connecting block 1.2.2.

[0031] The opening and closing limit component includes a tightening limit hook 1.2.4, an expansion limit column 1.2.5, a first mounting seat 1.2.6 and a second mounting seat 1.2.7; the first mounting seat 1.2.6 is arranged on the first connecting block 1.2.1; the second mounting seat 1.2.7 is arranged on the second connecting block 1.2.2; a first connecting shaft is arranged on the first mounting seat 1.2.6, and a second connecting shaft is arranged on the second mounting seat 1.2.7, one end of the tightening limit hook 1.2.4 is rotatably connected to the first connecting shaft, and the other end thereof is a hook groove structure, and is engaged with the second connecting shaft; one end of the expansion limit column 1.2.5 is connected to the first mounting seat 1.2.6, and the other end is engaged with the second mounting seat 1.2.7. The tightening limit barb 1.2.4 and the expansion limit column 1.2.5 in the opening and closing limit assembly 1.2 and the first synchronous linkage member 1.3 and the second synchronous linkage member are combined to achieve the expansion limit effect of the opening and closing assembly 1.1.

[0032] See also Figure 5 , the first synchronous linkage member 1.3 includes a first gear 1.3.1, a second gear 1.3.2, a first connecting portion 1.3.3, a second connecting portion 1.3.4 and a first mounting groove (not shown in the figure); the first mounting groove is arranged on the mounting substrate A; the first gear 1.3.1 is rotatably mounted on the first mounting groove through a first rotating shaft; the second gear 1.3.2 is rotatably mounted on the first mounting groove through a second rotating shaft; the first gear 1.3.1 is meshed with the second gear 1.3.2; one end of the first connecting portion 1.3.3 is fixedly connected to the first rotating shaft, and the other end is connected to the first connecting rod 1.1.1; one end of the second connecting portion 1.3.4 is fixedly connected to the second rotating shaft, and the other end is connected to the fourth connecting rod 1.1.4;

[0033] The second synchronous linkage includes a third gear, a fourth gear, a third connecting part, a fourth connecting part and a second mounting groove; the second mounting groove is arranged on the support seat B; the third gear is rotatably mounted on the second mounting groove through a third rotating shaft; the fourth gear is rotatably mounted on the second mounting groove through a fourth rotating shaft; the third gear is meshed with the fourth gear; one end of the third connecting part is fixedly connected to the third rotating shaft, and the other end is connected to the second connecting rod 1.1.2; one end of the fourth connecting part is fixedly connected to the fourth rotating shaft, and the other end is connected to the fourth connecting rod 1.1.4.

[0034] See also Figure 6 , the flip limit assembly 2.1 includes a first hinge 2.1.1, a second hinge 2.1.2, a second torsion spring 2.1.3, an explosive bolt and a limit locking component; the first hinge 2.1.1 is connected to the support seat B, and the second hinge 2.1.2 is connected to the solar wing 2.2; a first ear plate is arranged on the first hinge 2.1.1, and a second ear plate is arranged on the second hinge 2.1.2, and the first ear plate and the two ear plates are rotatably connected through a fifth rotating shaft; the second torsion spring 2.1.3 is arranged on the fifth rotating shaft, and is compressed and arranged between the first hinge 2.1.1 and the second hinge 2.1.2; a countersunk hole for accommodating the limit locking component is arranged on the first ear plate, and a through hole adapted to the countersunk hole is arranged on the second ear plate; the limit locking component is in a compressed state before it passes through the through hole, and the through hole and the countersunk hole are staggered; in the A first connecting plate is arranged on the end of the first hinge 2.1.1 away from the first ear plate, and a second connecting plate is arranged on the end of the second hinge 2.1.2 away from the second ear plate. The first connecting plate and the second connecting plate are arranged in a staggered manner, and mounting holes 2.1.4 for the explosive bolts to pass through are arranged on both of them; a heating resistor is arranged in the explosive bolt, and the heating resistor is connected to the power supply on the satellite; when it is necessary to flip the solar wing 2.2 through the flip limit assembly 2.1, the power supply on the satellite is controlled to provide current to the heating resistor to heat and fuse the explosive bolt; after the explosive bolt is melted, the first hinge 2.1.1 and the second hinge 2.1.2 are opened under the action of the second torsion spring 2.1.3 to drive the solar wing 2.2 to flip, and then the flip limit of the solar wing 2.2 relative to the support seat B is realized with the help of the limit locking component, so that the solar wing 2.2 can be unfolded to collect solar energy; wherein, the flip limit angle can be selected to be 90°.

[0035] The limit locking component includes an elastic member (specifically a spring) and a limit pin 2.1.5; one end of the elastic member is connected to the bottom of the countersunk hole, and the other end is connected to the limit pin 2.1.5; before the limit pin 2.1.5 penetrates the through hole, the elastic member is in a compressed state, so as to provide elastic force for the limit pin 2.1.5. When the through hole and the countersunk hole move to the same axis, the limit pin 2.1.5 can penetrate the through hole with the help of elastic force to realize the flipping limit of the solar wing 2.2 relative to the support seat B.

[0036] The limit pin 2.1.5 is a T-shaped column structure, with its small diameter end being arranged close to the through hole and its large diameter end being arranged close to the elastic member; the diameter of the large diameter end of the limit pin 2.1.5 is larger than the inner diameter of the through hole, thereby avoiding the risk of the limit pin 2.1.5 falling off when completely passing through the through hole.

[0037] A limiting groove is provided on the first hinge 2.1.1, and one end of the second ear plate of the second hinge 2.1.2 is accommodated in the limiting groove, which facilitates the quick installation of the second hinge 2.1.2 and ensures the stability of the second hinge 2.1.2 when rotating relative to the first hinge 2.1.1.

[0038] See also Figure 1-Figure 3 The operation process of the solar wing lifting and flipping mechanism is as follows:

[0039] First, the opening and closing limit assembly 1.2, the first synchronous linkage member 1.3 and the second synchronous linkage member are combined to achieve the expansion limit effect of the opening and closing assembly 1.1; specifically, the tightening limit barb 1.2.4 and the expansion limit column 1.2.5 in the opening and closing limit assembly 1.2 and the first synchronous linkage member 1.3 and the second synchronous linkage member are combined to achieve the expansion limit effect of the opening and closing assembly 1.1;

[0040] Secondly, a flip limit assembly 2.1 is used to realize the flip limit of the solar wing 2.2 relative to the support seat B; specifically, when the solar wing 2.2 needs to be flipped by the flip limit assembly 2.1, the power supply on the satellite is controlled to provide current to the heating resistor to heat and fuse the explosive bolt; after the explosive bolt is melted, the first hinge 2.1.1 and the second hinge 2.1.2 are opened under the action of the second torsion spring 2.1.3 to drive the solar wing 2.2 to flip, and then the flip limit of the solar wing 2.2 relative to the support seat B is realized with the help of the limit locking component, so that the solar wing 2.2 can be unfolded to collect solar energy.

[0041] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A solar wing lifting and flipping mechanism, characterized in that: The invention comprises a lifting mechanism (1) and a flipping mechanism (2); the lifting mechanism (1) comprises an opening and closing component (1.1), an opening and closing limit component (1.2), a first synchronous linkage component (1.3) and a second synchronous linkage component; one end of the opening and closing component (1.1) is arranged on a mounting base plate via the first synchronous linkage component (1.3), and the other end thereof is connected to a support seat via the second synchronous linkage component; the opening and closing limit component (1.2) is arranged at the opening and closing position of the opening and closing component (1.1); the flipping mechanism (2) comprises a flipping limit component (2.1) and a solar wing (2.2); the solar wing (2.2) is connected to the support seat via the flipping limit component (2.1).

2. The solar wing lifting and flipping mechanism according to claim 1, characterized in that: The opening and closing assembly (1.1) comprises a first connecting rod (1.1.1) and a third connecting rod (1.1.3) arranged in parallel, and a second connecting rod (1.1.2) and a fourth connecting rod (1.1.4) arranged in parallel; one end of the first connecting rod (1.1.1) is rotatably connected to the first synchronous linkage member (1.3), and the other end is hinged to the second connecting rod (1.1.2); the second connecting rod (1.1.2) is away from the first connecting rod ( One end of the third connecting rod (1.1.1) is rotatably connected to the second synchronous linkage member; one end of the third connecting rod (1.1.3) is rotatably connected to the second synchronous linkage member, and the other end is hinged to the fourth connecting rod (1.1.4); one end of the fourth connecting rod (1.1.4) away from the third connecting rod (1.1.3) is rotatably connected to the first synchronous linkage member (1.3); the opening and closing limit assembly (1.2) is arranged on the first connecting rod ( 1.1.1) and the second connecting rod (1.1.2) or between the third connecting rod (1.1.3) and the fourth connecting rod (1.1.4).

3. The solar wing lifting and flipping mechanism according to claim 2, characterized in that the opening and closing limit assembly (1.2) comprises a first connecting block (1.2.1), a second connecting block (1.2.2), a first torsion spring (1.2.3) and an opening and closing limit component; the first connecting block (1.2.1) and the first connecting rod ( 1.1.1), the second connecting block (1.2.2) is connected to the second connecting rod (1.1.2); or, the first connecting block (1.2.1) is connected to the fourth connecting rod (1.1.4), and the second connecting block (1.2.2) is connected to the third connecting rod (1.1.3); the first connecting block (1.2.1) and the second connecting block (1.2.2) are connected via a rotating shaft; the first torsion spring (1.2.3) is arranged on the rotating shaft and is compressed between the first connecting block (1.2.1) and the second connecting block (1.2.2); the opening and closing limiting component is arranged on the first connecting block (1.2.1) and the second connecting block (1.2.2).

4. The solar wing lifting and flipping mechanism according to claim 3, characterized in that: The opening and closing limit component comprises a tightening limit hook (1.2.4), an expansion limit column (1.2.5), a first mounting seat (1.2.6) and a second mounting seat (1.2.7); the first mounting seat (1.2.6) is arranged on the first connecting block (1.2.1); the second mounting seat (1.2.7) is arranged on the second connecting block (1.2.2); a first connecting shaft is arranged on the first mounting seat (1.2.6), and a second connecting shaft is arranged on the second mounting seat (1.2.7); one end of the tightening limit hook (1.2.4) is rotatably connected to the first connecting shaft, and the other end thereof is a hook groove structure and is engaged with the second connecting shaft; one end of the expansion limit column (1.2.5) is connected to the first mounting seat (1.2.6), and the other end is engaged with the second mounting seat (1.2.7).

5. The solar wing lifting and flipping mechanism according to any one of claims 2 to 4, characterized in that: The first synchronous linkage member (1.3) comprises a first gear (1.3.1), a second gear (1.3.2), a first connecting portion (1.3.3), a second connecting portion (1.3.4) and a first mounting groove; the first mounting groove is arranged on a mounting base plate; the first gear (1.3.1) is rotatably mounted on the first mounting groove via a first rotating shaft; the second gear (1.3.2) is rotatably mounted on the first mounting groove via a second rotating shaft; the first gear (1.3.1) and the second gear (1.3.2) are meshedly arranged; one end of the first connecting portion (1.3.3) is fixedly connected to the first rotating shaft, and the other end is connected to the first connecting rod (1.1.1); one end of the second connecting portion (1.3.4) is fixedly connected to the second rotating shaft, and the other end is connected to the fourth connecting rod (1.1.4); The second synchronous linkage comprises a third gear, a fourth gear, a third connecting part, a fourth connecting part and a second mounting groove; the second mounting groove is arranged on a support seat; the third gear is rotatably mounted on the second mounting groove via a third rotating shaft; the fourth gear is rotatably mounted on the second mounting groove via a fourth rotating shaft; the third gear is meshed with the fourth gear; one end of the third connecting part is fixedly connected to the third rotating shaft, and the other end is connected to the second connecting rod (1.1.2); one end of the fourth connecting part is fixedly connected to the fourth rotating shaft, and the other end is connected to the fourth connecting rod (1.1.4).

6. The solar wing lifting and flipping mechanism according to claim 5, characterized in that: The flip limit assembly (2.1) comprises a first hinge (2.1.1), a second hinge (2.1.2), a second torsion spring (2.1.3), an explosive bolt and a limit locking component; the first hinge (2.1.1) is connected to the support seat, and the second hinge (2.1.2) is connected to the solar wing (2.2); a first ear plate is arranged on the first hinge (2.1.1), and a second ear plate is arranged on the second hinge (2.1.2), and the first ear plate and the second ear plates are rotatably connected via a fifth rotating shaft; the second torsion spring (2.1.3) is arranged on the fifth rotating shaft, and is compressed and arranged between the first hinge (2.1.1) and the second hinge (2.1.2). ) between the first ear plate; a countersunk hole for accommodating the limiting locking component is provided on the first ear plate, and a through hole adapted to the countersunk hole is provided on the second ear plate; the limiting locking component is in a compressed state before penetrating the through hole, and the through hole and the countersunk hole are staggered; a first connecting plate is provided on the end of the first hinge (2.1.1) away from the first ear plate, and a second connecting plate is provided on the end of the second hinge (2.1.2) away from the second ear plate, the first connecting plate and the second connecting plate are staggered, and mounting holes 2.1.4 for the explosive bolt to penetrate are provided on both; a heating resistor is provided in the explosive bolt, and the heating resistor is connected to a power supply on the satellite.

7. The solar wing lifting and flipping mechanism according to claim 6, characterized in that: The limiting locking component comprises an elastic member and a limiting pin (2.1.5); one end of the elastic member is connected to the bottom of the countersunk hole, and the other end is connected to the limiting pin (2.1.5); before the limiting pin (2.1.5) passes through the through hole, the elastic member is in a compressed state.

8. The solar wing lifting and flipping mechanism according to claim 7, characterized in that: The limiting pin (2.1.5) is a T-shaped column structure, with a small diameter end arranged close to the through hole and a large diameter end arranged close to the elastic member; the large diameter end of the limiting pin (2.1.5) has a diameter greater than the inner diameter of the through hole.

9. The solar wing lifting and flipping mechanism according to claim 7, characterized in that: The elastic member includes a spring.

10. The solar wing lifting and flipping mechanism according to claim 7, characterized in that: A limiting groove is provided on the first hinge (2.1.1), and one end of the second ear plate of the second hinge (2.1.2) is accommodated in the limiting groove.

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