Multi-body variable-structure satellite with staring configuration

Abstract

The utility model relates to the technical field of design and application of spacecrafts, in particular to a multi-body variable-structure satellite with a staring structure, which comprises a plurality of variable-structure satellites and a plurality of first variable-structure joints, and the heads and the tails of the variable-structure satellites are connected through the first variable-structure joints; each first variable-structure joint comprises a first torsion module, a first bending module, a first folding module and a second folding module which are connected in sequence, and every two adjacent variable-structure satellites are connected to the first torsion module and the second folding module on the same first variable-structure joint correspondingly. The multiple variable-structure satellites are connected end to end through the first variable-structure joints, torsion, bending and folding of the multi-body variable-structure satellites can be achieved, each variable-structure satellite comprises three loads, two second variable-structure joints and a satellite element, and the three loads are connected end to end through the two second variable-structure joints; the multi-body variable-structure satellite can be freely combined through the first variable-structure joints and the second variable-structure joints, and 512 types of spectrum self-reconfiguration can be achieved for on-orbit tasks.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of spacecraft design and application technology, especially to a multi-body variable configuration satellite with a staring configuration. BACKGROUND

[0002] At present, a single satellite detection load is difficult to realize fine perception of space targets, and multi-satellite formation is difficult to realize rapid aperture synthesis of detection loads. With the vigorous development of satellite technology, multi-body variable configuration satellites as a new satellite concept have been closely watched and developed by various countries in recent years. The multi-body variable configuration satellite carries a variable number of modular detection loads, which can be folded into a synthetic surface array configuration without external intervention, realize multi-detection load aperture synthesis, support super-resolution and super-distance staring detection of space targets, and do not need to increase or decrease any components of the satellite. Therefore, it is of great significance to explore and research multi-body variable configuration satellites with synthetic surface array staring detection efficiency. UTILITY MODEL CONTENT

[0003] The utility model provides a multi-body variable configuration satellite with a staring configuration to solve the technical problem mentioned in the background art.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] The utility model provides a multi-body variable configuration satellite with a staring configuration, which comprises a plurality of variable configuration satellites and a plurality of first variable configuration joints, and the plurality of variable configuration satellites are connected by the first variable configuration joints between the head and tail.

[0006] The first variable configuration joint comprises a first torsion module, a first bending module, a first folding module and a second folding module connected in sequence, and the adjacent two variable configuration satellites are connected to the first torsion module and the second folding module on the same first variable configuration joint.

[0007] Further, the number of variable configuration satellites is three, and the number of first variable configuration joints is two.

[0008] Further, the first torsion module in the first variable configuration joint comprises:

[0009] The first right connecting piece connected with the side surface of the variable configuration satellite, the second right connecting piece rotationally connected with the first right connecting piece, the motor one fixedly installed on the second right connecting piece, the bevel gear one fixedly installed on the motor one, the first rotating shaft passing through the through hole of the second right connecting piece and fixedly installed in the middle part of the first right connecting piece, and the bevel gear two fixedly installed on the outer side end surface of the first rotating shaft, wherein the bevel gear one and the bevel gear two are engaged.

[0010] Further, the first bending module in the first variable configuration joint comprises:

[0011] A motor two is fixedly installed on the second right connecting piece, a spur gear one is fixedly installed on an output shaft of the motor two, a long shaft of a T-shaped shaft is rotatably connected with the second right connecting piece, a spur gear two is fixedly installed on the long shaft of the T-shaped shaft, the spur gear one and the spur gear two are engaged, and the first folding module is fixedly installed on the long shaft of the T-shaped shaft.

[0012] Further, the first folding module in the first metamorphic joint comprises:

[0013] A second left connecting piece, a third left connecting piece connected with the second left connecting piece through a short shaft of a T-shaped shaft, a motor three fixedly installed on the second left connecting piece, a spur gear three fixedly installed on an output shaft of the motor three, and a spur gear four fixedly installed on the short shaft of the T-shaped shaft, the spur gear three and the spur gear four are engaged, and the short shaft of the T-shaped shaft is rotatably connected with the second left connecting piece and the third left connecting piece respectively.

[0014] Further, the second folding module in the first metamorphic joint comprises:

[0015] A first left connecting piece rotatably connected on the side surfaces of the second left connecting piece and the third left connecting piece through a second rotating shaft;

[0016] A driving piece installed between the second left connecting piece and the third left connecting piece, used for driving the first left connecting piece to rotate around the second rotating shaft.

[0017] Further, the first metamorphic joint further comprises a limiting frame one fixedly installed on the side surfaces of the second left connecting piece and the third left connecting piece, and the installation position of the limiting frame one faces the first bending module.

[0018] Further, the first metamorphic joint further comprises a limiting frame two installed on the end surface of the first left connecting piece.

[0019] Further, the metamorphic satellite comprises three loads, two second metamorphic joints, and a satellite base element, the three loads are connected in sequence through the two second metamorphic joints, and the satellite base element is fixedly installed on the middle load.

[0020] Further, the second metamorphic joint comprises a second torsion module and a second bending module connected with the second torsion module.

[0021] The second torsion module comprises a right fixed piece fixedly connected with the side surface of the load, a driving connecting frame rotatably connected with the right fixed piece through a third rotating shaft, a motor four fixedly installed on the driving connecting frame, a bevel gear three fixedly installed on an output shaft of the motor four, and a bevel gear four fixedly installed on the outer side end surface of the third rotating shaft, the bevel gear three and the bevel gear four are engaged, the third rotating shaft passes through the through hole of the driving connecting frame and is fixedly installed on the middle part of the right fixed piece.

[0022] The second bending module comprises a motor five fixedly installed on the driving connecting frame, a spur gear five fixedly installed on an output shaft of the motor five, a left fixing member rotatably connected to the driving connecting frame through a fourth rotating shaft, and a spur gear six fixedly installed on the fourth rotating shaft, wherein the spur gear five and the spur gear six are in meshing connection, and the left fixing member is fixedly connected with another adjacent load.

[0023] The utility model discloses the beneficial effects of:

[0024] The utility model discloses a kind of multi-body variable configuration satellites with gaze configuration, including multiple variable configuration satellites, multiple variable configuration satellites are connected by first variable configuration joint, the torsion, bending, folding of multi-body variable configuration satellite can be realized;

[0025] Variable configuration satellite includes three loads, two second variable configuration joints and a satellite base element, three loads are connected by two second variable configuration joints, satellite base element is fixedly installed on the load in middle portion, in the whole self-reconfiguration process, the stability of satellite base element attitude in middle position of multi-body variable configuration satellite can be realized;

[0026] Among them, self-reconfiguration between variable configuration satellites is driven to be realized by the first torsion module, the first bending module and the first folding module and the second folding module of first variable configuration joint;Self-reconfiguration between loads in variable configuration satellite is driven to be realized by the second torsion module and the second bending module of second variable configuration joint;

[0027] Multi-body variable configuration satellite can be combined and driven at will by the driving of first variable configuration joint and second variable configuration joint, and can realize 512 kinds of type spectrum self-reconfiguration facing on-orbit task. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is three-dimensional structure schematic diagram of the utility model;

[0029] Figure 2 It is three-dimensional structure enlarged view of first variable configuration joint in the utility model;

[0030] Figure 3 It is three-dimensional structure enlarged view of second variable configuration joint in the utility model;

[0031] Figure 4 It is gaze configuration schematic diagram of multi-body variable configuration satellite.

[0032] EXPLANATION OF REFERENCE NUMERALS:

[0033] 101, load one;102, satellite base element one;103, load three;104, load four;105, satellite base element two;106, load six;107, load seven;108, satellite base element three;109, load nine;110, load eight;111, load five;112, load two;

[0034] 201, first left connecting piece; 202, limiting support one; 203, second left connecting piece; 204, spur gear two; 205, T-shaped shaft; 206, second right connecting piece; 207, limiting support two; 208, motor three; 209, spur gear three; 210, spur gear four; 211, first right connecting piece; 212, motor one; 213, bevel gear one; 214, bevel gear two; 215, spur gear one; 216, motor two; 217, third left connecting piece; 218, driving piece;

[0035] 301, left fixing piece; 302, spur gear six; 303, spur gear five; 304, motor five; 305, driving connecting support; 306, bevel gear four; 307, right fixing piece; 308, motor four; 309, bevel gear three. DETAILED DESCRIPTION

[0036] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present application are shown in the drawings. However, the present application can be implemented in many other different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0037] It should be noted that when an element is referred to as being "fixed to" or "set to" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0038] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0039] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. As used in this description, the singular forms "a", "an" and "the" include plural references unless the context clearly dictates otherwise. The term "and / or" includes any and all combinations of one or more of the associated listed items.

[0041] It should also be noted that the same reference signs are used to denote the same components or the same parts in the embodiments of the present application. For the same parts in the embodiments of the present application, only one part or component may be labeled with a reference sign in the drawings, and it should be understood that the reference sign is also applicable to other identical parts or components.

[0042] Referring to Figure 1 , the embodiments of the present application provide a multi-body metamorphic satellite with a gaze configuration, comprising a plurality of metamorphic satellites and a plurality of first metamorphic joints, the plurality of metamorphic satellites are connected through the first metamorphic joints between the head and the tail;

[0043] Referring to Figure 2 , the first metamorphic joint has four degrees of freedom, and the first metamorphic joint comprises a first torsion module, a first bending module, a first folding module and a second folding module connected in sequence, and adjacent two metamorphic satellites are respectively connected to the first torsion module and the second folding module on the same first metamorphic joint; through the first folding module and the second folding module on the first metamorphic joint, each metamorphic satellite can be brought together laterally to form a gaze configuration.

[0044] In some embodiments, the number of metamorphic satellites is three, and the number of first metamorphic joints is two.

[0045] In some embodiments, referring to Figure 2 , the first torsion module in the first metamorphic joint comprises:

[0046] The first right connecting piece 211 connected to the side of the metamorphic satellite, the second right connecting piece 206 rotationally connected to the first right connecting piece 211, the motor one 212 fixedly installed on the second right connecting piece 206, the bevel gear one 213 fixedly installed on the motor one 212, the first rotating shaft passing through the through hole of the second right connecting piece 206 and fixedly installed in the middle part of the first right connecting piece 211, and the bevel gear two 214 fixedly installed on the outer side end surface of the first rotating shaft, wherein the bevel gear one 213 and the bevel gear two 214 are engaged.

[0047] In some embodiments, referring to Figure 2 , the first bending module in the first metamorphic joint comprises:

[0048] The motor two 216 is fixedly installed on the second right connecting piece 206, the spur gear one 215 is fixedly installed on the output shaft of the motor two 216, the long shaft of the T-shaped shaft 205 is rotatably connected with the second right connecting piece 206, the spur gear two 204 is fixedly installed on the long shaft of the T-shaped shaft 205, the spur gear one 215 and the spur gear two 204 are engaged, and the first folding module is fixedly installed on the long shaft of the T-shaped shaft 205.

[0049] In some embodiments, referring to Figure 2 , the first folding module in the first metamorphic joint comprises:

[0050] The second left connecting piece 203, the third left connecting piece 217 connected with the second left connecting piece 203 through the short shaft of the T-shaped shaft 205, the motor three 208 fixedly installed on the second left connecting piece 203, the spur gear three 209 fixedly installed on the output shaft of the motor three 208, the spur gear four 210 fixedly installed on the short shaft of the T-shaped shaft 205, the spur gear three 209 and the spur gear four 210 are engaged, and the short shaft of the T-shaped shaft 205 is rotatably connected with the second left connecting piece 203 and the third left connecting piece 217 respectively.

[0051] In some embodiments, referring to Figure 2 , the second folding module in the first metamorphic joint comprises:

[0052] The first left connecting piece 201 is rotatably connected on the side surface of the second left connecting piece 203 and the third left connecting piece 217 through the second rotating shaft;

[0053] The driving piece 218 is installed between the second left connecting piece 203 and the third left connecting piece 217, and is used for driving the first left connecting piece 201 to rotate around the second rotating shaft.

[0054] In some embodiments, referring to Figure 2 , the first metamorphic joint further comprises a limiting frame one 202, the limiting frame one 202 is fixedly installed on the side surface of the second left connecting piece 203 and the third left connecting piece 217, and the installation position of the limiting frame one 202 faces the first bending module.

[0055] In some embodiments, referring to Figure 2 , the first metamorphic joint further comprises a limiting frame two 207, the limiting frame two 207 is installed on the end surface of the first left connecting piece 201.

[0056] In some embodiments, the metamorphic satellite comprises three loads, two second metamorphic joints, and a satellite base element, the three loads are connected in series through the two second metamorphic joints, and the satellite base element is fixedly installed on the middle load.

[0057] Specifically, referring to Figure 1The number of metamorphic satellites is preferably three, which are metamorphic satellite one, metamorphic satellite two connected with metamorphic satellite one through a first metamorphic joint, and metamorphic satellite three connected with metamorphic satellite two through another first metamorphic joint;

[0058] The metamorphic satellite one comprises load one 101, satellite base element one 102, load two 112, load three 103, and two second metamorphic joints, the load one 101, the load two 112, and the load three 103 are sequentially connected through the two second metamorphic joints, and the satellite base element one 102 is fixedly installed on the top surface of the load two 112.

[0059] The metamorphic satellite two comprises load four 104, satellite base element two 105, load five 111, load six 106, and two second metamorphic joints, the load four 104, the load five 111, and the load six 106 are sequentially connected through the two second metamorphic joints, and the satellite base element two 105 is fixedly installed on the top surface of the load five 111.

[0060] The metamorphic satellite three comprises load seven 107, satellite base element three 108, load eight 110, load nine 109, and two second metamorphic joints, the load seven 107, the load eight 110, and the load nine 109 are sequentially connected through the two second metamorphic joints, and the satellite base element three 108 is fixedly installed on the top surface of the load eight 110.

[0061] In some embodiments, with reference to Figure 3 The second metamorphic joint has two degrees of freedom, and the second metamorphic joint comprises a second torsion module and a second bending module connected with the second torsion module.

[0062] The second torsion module comprises a right fixed part 307 fixedly connected with a load side surface, a driving connection frame 305 rotationally connected with the right fixed part 307 through a third rotating shaft, a motor four 308 fixedly installed on the driving connection frame 305, a bevel gear three 309 fixedly installed on an output shaft of the motor four 308, a bevel gear four 306 fixedly installed on an outer side end surface of the third rotating shaft, the bevel gear three 309 and the bevel gear four 306 are engaged, and the third rotating shaft passes through a through hole of the driving connection frame 305 and is fixedly installed in the middle part of the right fixed part 307.

[0063] The second bending module comprises a motor five 304 fixedly installed on the driving connection frame 305, a spur gear five 303 fixedly installed on an output shaft of the motor five 304, a left fixed part 301 rotationally connected on the driving connection frame 305 through a fourth rotating shaft, and a spur gear six 302 fixedly installed on the fourth rotating shaft, the spur gear five 303 and the spur gear six 302 are engaged, and the left fixed part 301 is fixedly connected with another adjacent load.

[0064] The implementation of the first metamorphic joint: the torsion between the two metamorphic satellites is driven by the first torsion module; the bending between the two metamorphic satellites is driven by the first bending module; the bidirectional folding between the two metamorphic satellites is driven by the first folding module and the second folding module.

[0065] The implementation of the second metamorphic joint: the torsion between the two loads in the metamorphic satellite is driven by the second torsion module, and the bending between the two loads in the metamorphic satellite is driven by the second bending module.

[0066] The metamorphic process of the gaze configuration of the multi-body metamorphic satellite: first, the first folding module and the second folding module on the first metamorphic joint of each metamorphic satellite are started, the load five 111 and the satellite element two 105 are taken as the center element, the driving torques of the first folding module and the second folding module are kept consistent, the overall four-fold self-reconfiguration of the multi-body metamorphic satellite can be realized, and the attitude of the center element can be kept stable. The gaze configuration is shown in Figure 4 .

[0067] The combined metamorphic implementation of the multi-body metamorphic satellite: according to the on-orbit task requirement, the first torsion module, the first bending module, the first folding module and the second folding module on the first metamorphic joint, and the second torsion module, the second bending module on the second metamorphic joint can be started at will, the output driving torques of the left and right sides are kept the same, that is, the configuration transformation of the multi-body metamorphic satellite can be realized, and the attitude of the center element is kept stable, and the symmetry is similar, the multi-body metamorphic satellite can realize 2 9 =512 type spectrum self-reconfiguration.

[0068] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Moreover, the technical solutions of each embodiment of the present application can be combined with each other, but it must be based on the realization of ordinary technical personnel in the art, when the combination of technical solutions appears mutual contradiction or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A multi-body allosteric satellite having a gaze configuration, characterized in that, The first metamorphic joint comprises a first torsion module, a first bending module, a first folding module and a second folding module connected in sequence, and adjacent two metamorphic satellites are connected to the first torsion module and the second folding module of the same first metamorphic joint. The first folding module in the first metamorphic joint comprises: The second left connecting piece (203), the third left connecting piece (217) connected to the second left connecting piece (203) through the short shaft of the T-shaped shaft (205), the motor three (208) fixedly installed on the second left connecting piece (203), the straight gear three (209) fixedly installed on the output shaft of the motor three (208), the straight gear four (210) fixedly installed on the short shaft of the T-shaped shaft (205), the straight gear three (209) and the straight gear four (210) are engaged, and the short shaft of the T-shaped shaft (205) is rotatably connected to the second left connecting piece (203) and the third left connecting piece (217) respectively. The second folding module in the first metamorphic joint comprises: The first left connecting piece (201) is rotatably connected to the side surfaces of the second left connecting piece (203) and the third left connecting piece (217) through the second rotating shaft; The driving member (218) is installed between the second left connecting piece (203) and the third left connecting piece (217) and is used for driving the first left connecting piece (201) to rotate around the second rotating shaft. The number of the metamorphic satellites is three, and the number of the first metamorphic joints is two.

2. The multi-body metamorphic satellite of claim 1, wherein, The first torsion module in the first metamorphic joint comprises:

3. The multi-body metamorphic satellite of claim 1, wherein, The first right connecting piece (211) connected to the side surface of the metamorphic satellite, the second right connecting piece (206) rotatably connected to the first right connecting piece (211), the motor one (212) fixedly installed on the second right connecting piece (206), the bevel gear one (213) fixedly installed on the motor one (212), the first rotating shaft passing through the through hole of the second right connecting piece (206) and fixedly installed in the middle part of the first right connecting piece (211), and the bevel gear two (214) fixedly installed on the outer side end surface of the first rotating shaft, wherein the bevel gear one (213) and the bevel gear two (214) are engaged. The first bending module in the first metamorphic joint comprises:

4. The multi-body metamorphic satellite of claim 3, wherein, The motor two (216) fixedly installed on the second right connecting piece (206), the straight gear one (215) fixedly installed on the output shaft of the motor two (216), the long shaft of the T-shaped shaft (205) rotatably connected to the second right connecting piece (206), the straight gear two (204) fixedly installed on the long shaft of the T-shaped shaft (205), the straight gear one (215) and the straight gear two (204) are engaged, and the first folding module is fixedly installed on the long shaft of the T-shaped shaft (205). The first metamorphic joint further comprises a limiting frame one (202) fixedly installed on the side surfaces of the second left connecting piece (203) and the third left connecting piece (217), and the installation position of the limiting frame one (202) faces the first bending module.

5. The multi-body metamorphic satellite of claim 4, wherein, ​ 6. The multi-body metamorphic satellite of claim 4, wherein, The first variable structure joint further comprises a limiting frame two (207) installed on the end face of the first left connecting piece (201).

7. The multi-body metamorphic satellite of claim 1, wherein, The variable structure satellite comprises three loads, two second variable structure joints and a satellite base element, the three loads are connected in sequence through the two second variable structure joints, and the satellite base element is fixedly installed on the middle load.

8. The multi-body metamorphic satellite of claim 7, wherein, The second variable structure joint comprises a second torsion module and a second bending module connected with the second torsion module. The second torsion module comprises a right fixed piece (307) fixedly connected with the side face of the load, a driving connecting frame (305) rotationally connected with the right fixed piece (307) through a third rotating shaft, a motor four (308) fixedly installed on the driving connecting frame (305), a bevel gear three (309) fixedly installed on the output shaft of the motor four (308), a bevel gear four (306) fixedly installed on the outer end face of the third rotating shaft, the bevel gear three (309) and the bevel gear four (306) are engaged, the third rotating shaft passes through the through hole of the driving connecting frame (305) and is fixedly installed on the middle part of the right fixed piece (307); The second bending module comprises a motor five (304) fixedly installed on the driving connecting frame (305), a spur gear five (303) fixedly installed on the output shaft of the motor five (304), a left fixed piece (301) rotationally connected on the driving connecting frame (305) through a fourth rotating shaft, a spur gear six (302) fixedly installed on the fourth rotating shaft, the spur gear five (303) and the spur gear six (302) are engaged, and the left fixed piece (301) is fixedly connected with another adjacent load.

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