Deployment test device for ultra-large area, high storage ratio and lightweight deployment mechanism

Abstract

The present invention provides an unfolding test device of a super-large area, high storage ratio and lightweight unfolding mechanism, which belongs to the field of spacecraft technology, and includes a support platform, a connecting beam, a guide assembly and a folding assembly. The support platform is a plane with an inclination angle and a guide plane or an air-floating plane. The connecting beam is arranged at one end of the support platform, and the end of the support platform away from the connecting beam is arranged upwardly tilted. One end of the flexible solar wing is connected and fixed to the connecting beam, and the other end is unfolded and folded like a scroll; the guide assembly includes two sets of lateral guide assemblies, and the two sets of lateral guide assemblies are symmetrically arranged on both sides of the support platform. The lateral guide assemblies are both installed on both sides of the solar wing reel through a reel connecting shaft, and move synchronously with the reel, and can realize the unloading and unfolding and folding guiding function of its gravity during the unfolding and folding process of the solar wing; the folding assembly is two sets, which are respectively installed on both sides of the lateral guide assembly, and the reel connecting shaft rotates coaxially to realize uniform and synchronous folding. The present invention can realize the unfolding and folding test of the solar wing with high precision.

Description

Technical Field

[0001] The present invention belongs to the field of spacecraft technology and relates to a deployment test device for an ultra-large area, high storage ratio and lightweight deployment mechanism. The device can ensure the smooth deployment and folding of a solar wing battery array of the ultra-large area, high storage ratio and lightweight deployment mechanism. The solar wing is a flexible solar wing and is suitable for deployment and folding tests of ultra-large area, high storage ratio and lightweight deployment mechanisms in various fields of spacecraft. Background Art

[0002] The solar wing with ultra-large area, high storage ratio and lightweight deployment mechanism is a flexible solar wing and an important mechanism on the spacecraft. When deployed, the solar blanket is driven by the extension rod to unfold like a scroll, and when folded, the extension rod is rolled up like a clock spring. In the deployed state, the solar wing unfolds into a rectangle, one end of which is connected to the root beam through a tensioning device, and the other end is connected to the reel; the extension rod supporting the solar blanket can automatically unfold into a support rod with a certain rigidity after being released; the deployment mechanism is equipped with a speed limiter to avoid excessive impact at the end of deployment, which may cause damage to the solar array structure. In the folded state, the solar blanket is rolled up on the reel.

[0003] This type of solar wing is the first of its kind in China. In order to verify the processability, deployability and adaptability of the solar wing structure, it is necessary to design a deployment test device for the deployment test of this type of solar wing. Summary of the invention

[0004] The problem to be solved by the present invention is to provide an expansion test device for a large-area, high-storage-ratio, lightweight expansion mechanism, which integrates assembly, testing and running-in into one, is convenient and quick to operate, and improves work efficiency.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: an expansion test device of a super-large area, high storage ratio and lightweight expansion mechanism, comprising a support platform, a connecting beam, a guide assembly and a folding assembly, the support platform is a plane with an angle and a guide plane or an air-floating plane, the connecting beam is arranged at one end of the support platform, the end of the support platform away from the connecting beam is inclined upward, one end of the flexible solar wing is connected and fixed to the connecting beam, and the other end is unfolded and folded like a scroll;

[0006] The guide assembly includes two sets of lateral guide assemblies, which are symmetrically arranged on both sides of the support platform. The lateral guide assemblies are installed on both sides of the solar wing reel through the reel connecting shaft and move synchronously with the reel. In the process of the solar wing being extended and retracted, the gravity unloading and extension and retraction guiding functions can be realized;

[0007] There are two sets of folding components, which are respectively installed on both sides of the lateral guide component. The reel connecting shaft rotates coaxially to achieve uniform and synchronous folding.

[0008] Furthermore, it also includes two pulley assemblies, which are installed at one end of the support platform away from the connecting beam. One pulley assembly corresponds to a lateral guide assembly. When folding, the pulley assembly pulls the solar wing reel through the rope to achieve tight winding of the solar blanket when the solar wing is folded.

[0009] Furthermore, the pulley assembly includes a guide pulley, a pulley bracket and a pulley shaft. The guide pulley is rotatably connected to the pulley shaft, the pulley shaft is mounted on the pulley bracket, the pulley bracket is fixed on a support platform, one end of the rope is connected to the solar wing reel, and the other end is connected to the counterweight block after being guided by the guide pulley, and the counterweight block is set to match the weight of the solar wing.

[0010] Further, the support platform includes at least one first small-angle stretching rod lifting platform and at least one second small-angle stretching rod lifting platform, the first small-angle stretching rod lifting platform has the same height when there are multiple platforms, the second small-angle stretching rod lifting platform has the same height when there are multiple platforms, the first small-angle stretching rod lifting platform and the second small-angle stretching rod lifting platform have different heights, and the flatness of the first small-angle stretching rod lifting platform and the second small-angle stretching rod lifting platform is less than 2 mm;

[0011] Limiting rods are arranged on both sides of the support platform to limit and guide the side surfaces of the guide assembly.

[0012] Furthermore, the connecting beam is connected to the flexible solar wing through a plurality of adjustment blocks, the adjustment blocks include two upper and lower sliders and two left and right sliders, the upper and lower sliders are connected to the connecting beam through long holes in the up and down directions, and the left and right sliders are connected to the connecting beam through long holes in the left and right directions.

[0013] Furthermore, the folding assembly includes an adapter, a reducer and an operating handle. The adapter is fixedly connected to the upper support in the guide assembly. The adapter shaft in the reducer is connected to the rotating shaft connecting shaft in the side guide assembly as an output end and rotates coaxially. The operating handle is fixedly connected to the input end of the reducer.

[0014] Further, the side guide assembly also includes an upper support, a lower support and a side fixing frame, the reel connecting shaft is rotatably connected to the upper support, the upper support is vertically arranged on the lower support, the lower support is arranged, and the upper end of the lower support is also provided with a guide wheel, and the guide wheel is arranged tangent to the inner side of the limit rod;

[0015] The lower support is arranged on the side fixing frame, and a plurality of first follower wheels are arranged at the lower end of the side fixing frame. A guide rail assembly corresponding to and guiding the first follower wheels is arranged on the support platform, and one side guide assembly is arranged corresponding to one guide rail assembly.

[0016] Furthermore, the guide rail assembly is a groove-shaped structure with an opening facing upward, there are two first follower wheels, and both are arranged front and back in the moving direction of the side guide assembly. The first follower wheel is arranged inside the guide rail assembly and the two are arranged in coordination.

[0017] Furthermore, when a dual solar wing structure is adopted, the guide assembly also includes an intermediate guide assembly, which is arranged between the two side guide assemblies. The intermediate guide assembly fixes and guides one end of the two flexible solar wings and moves synchronously with the reel. During the extension and retraction process of the solar wings, it cooperates with the side guide assemblies to achieve the unloading of the gravity of the solar wings and the extension and retraction guiding function.

[0018] Furthermore, the intermediate guide assembly includes a front baffle ring, a rear baffle ring and a movable frame, wherein the front baffle ring and the rear baffle ring are connected to form a ring to support the solar wing reel, and a load-bearing wheel is provided at the lower end of the ring formed by the front baffle ring and the rear baffle ring. The load-bearing wheel is tangent to the solar wing reel and is used to decompose the weight of the solar wing. The ring formed by the front baffle ring and the rear baffle ring is fixed on the movable frame, and a second follower wheel is provided at the lower end of the movable frame, and a guide rail assembly is provided at the lower end of the second follower wheel to guide it.

[0019] Compared with the prior art, the present invention has the following advantages and positive effects.

[0020] 1. The present invention has a multifunctional structure that integrates the three functions of fixing, unfolding and folding, and adopts a small-angle gravity component unloading solution to unload the rotational friction caused by gravity of the product, thereby overcoming the friction resistance caused by gravity of the solar blanket, solving the one-dimensional unfolding resistance problem, and ensuring the reliable unfolding of the solar blanket unfolding mechanism;

[0021] 2. The inclined plane or guide plane of the present invention has an inclination angle of less than 0.2 degrees and a total area of ​​more than 200 2 The purpose of this setting is that during the unfolding process, the thickness of the solar wing gradually becomes thinner. If it is set to a plane, the roll-up axis of the solar wing actually moves downward as the thickness decreases. This inclined upward setting ensures the horizontal movement of the solar wing roll-up axis, overcomes the influence of gravity, is more in line with actual application conditions, and has higher test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0023] Figure 1 It is a front view of the deployment test device of the ultra-large area, high storage ratio and lightweight deployment mechanism of the present invention;

[0024] Figure 2It is a top view of the deployment test device of the ultra-large area, high storage ratio and lightweight deployment mechanism of the present invention;

[0025] Figure 3 The present invention Figure 2 BB cross-sectional view;

[0026] Figure 4 The present invention Figure 2 Detail of Part E;

[0027] Figure 5 The present invention Figure 2 AA section view;

[0028] Figure 6 is a side view of the side guide assembly of the present invention;

[0029] Figure 7 is a front view of the side guide assembly of the present invention;

[0030] Figure 8 is a front view of the intermediate guide assembly of the present invention;

[0031] Fig. 9 The present invention Figure 8 Detail of Part E;

[0032] Fig.10 The present invention Figure 8 Detailed drawing of Part F;

[0033] Fig.11 is a side view of the intermediate guide assembly of the present invention;

[0034] Fig.12 The present invention Fig.11 Detailed drawing of part G;

[0035] Fig.13 is a top view of the intermediate guide assembly of the present invention;

[0036] Fig.14 It is a structural schematic diagram of the rope pulley assembly of the present invention;

[0037] Fig.15 is a side view of the folding assembly of the present invention;

[0038] Fig.16 It is a front view of the folding assembly of the present invention. Description of the drawings:

[0040] 10. Load-bearing assembly; 101. First small-angle extension rod lifting platform; 102. Second small-angle extension rod lifting platform; 103. Connecting beam; 104. Adjustment block; 1041. Upper and lower sliders; 1042. Left and right sliders; 105. Limit rod; 106. Guide rail assembly;

[0041] 20, lateral guide assembly; 201, upper support; 202, reel connecting shaft; 203, bearing retaining ring; 204, guide wheel; 206, support column; 207, side fixing frame; 208, inter-wheel connecting shaft; 209, lower support; 211, first follower wheel;

[0042] 30, intermediate guide assembly; 301, front stop ring; 302, lateral positioning wheel; 303, lateral shaft; 304, lateral shaft sleeve; 305, load-bearing wheel; 306, load-bearing shaft; 307, load-bearing shaft sleeve; 308, rear stop ring; 309, moving frame; 310, ball bearing; 313, second follower wheel;

[0043] 40, rope pulley assembly; 401, guide pulley; 402, pulley bracket; 403, bearing cover; 404, pulley sleeve; 405, pulley gasket; 406, pulley shaft;

[0044] 50, folding assembly; 501, adapter; 502, reducer; 503, handle bar; 504, fixing pin; 505, adapter shaft; 506, handle cover;

[0045] 80. Solar wing. DETAILED DESCRIPTION

[0046] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments may be combined with each other.

[0047] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and the like are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0048] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0049] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0050] like Figure 1-Figure 16 As shown, the present invention is an expansion test device for a large-area, high-storage-ratio, lightweight expansion mechanism, comprising a support platform, a connecting beam 103, a guide assembly and a folding assembly 50, wherein the support platform is a plane with an angle and a guide plane or an air-floating plane to reduce the influence of gravity on the expansion process, the connecting beam 103 is arranged at one end of the support platform, and the end of the support platform away from the connecting beam 103 is inclined upward, the inclination angle of the plane with an angle or the guide plane is less than 0.2 degrees, and the total area exceeds 200 2 The purpose of such setting is that during the unfolding process, the thickness of the solar wing 80 gradually becomes thinner. If it is set to a plane, the reel of the solar wing 80 actually moves downward as the thickness decreases. Such an inclined upward setting ensures the horizontal movement of the solar wing reel, overcomes the influence of gravity, is more in line with the actual application situation, and has higher test accuracy. One end of the flexible solar wing 80 is connected and fixed to the connecting beam 103, and the other end is unfolded and retracted like a scroll;

[0051] The guide assembly includes two sets of lateral guide assemblies 20, which are symmetrically arranged on both sides of the support platform. The lateral guide assemblies 20 are installed on both sides of the solar wing reel through the reel connecting shaft 202, and move synchronously with the reel. During the process of the solar wing 80 being extended and retracted, the gravity unloading and extension and retraction guiding functions can be realized;

[0052] There are two sets of the folding components 50, which are respectively installed on both sides of the lateral guide component 20, and the reel connecting shaft 202 rotates coaxially to achieve uniform and synchronous folding.

[0053] Preferably, two rope pulley assemblies 40 are also included, and the rope pulley assemblies 40 are installed at one end of the support platform away from the connecting beam 103. One rope pulley assembly 40 is arranged corresponding to one lateral guide assembly 20. When folding, the rope pulley assembly 40 pulls the solar wing reel through the rope to achieve tight winding of the solar blanket when the solar wing 80 is folded.

[0054] Preferably, the pulley assembly 40 includes a guide pulley 401, a pulley bracket 402 and a pulley shaft 406, the guide pulley 401 is rotatably connected to the pulley shaft 406, the pulley shaft 406 is mounted on the pulley bracket 402, the pulley bracket 402 is fixed on a support platform, one end of the rope is connected to the solar wing reel, and the other end is connected to the counterweight block after being guided by the guide pulley 401, the counterweight block is matched with the weight of the solar wing 80, the guide pulley 401 rotates relative to the pulley shaft 406 through the bearing, the guide pulley 401 realizes axial positioning of the bearing through the axial cover, the pulley shaft 406 realizes axial positioning relative to the pulley bracket 402 through the pulley gasket 405, the outer ring of the pulley shaft 406 located inside the pulley bracket 402 is provided with a pulley shaft 406 sleeve 404 for protection.

[0055] Preferably, the support platform includes at least one first small-angle stretch rod lifting platform 101 and at least one second small-angle stretch rod lifting platform 102, the heights of the first small-angle stretch rod lifting platform 101 are the same when there are multiple first small-angle stretch rod lifting platforms 101, the heights of the second small-angle stretch rod lifting platform 102 are the same when there are multiple second small-angle stretch rod lifting platforms 102, the heights of the first small-angle stretch rod lifting platform 101 and the second small-angle stretch rod lifting platform 102 are different, and the flatness of the first small-angle stretch rod lifting platform 101 and the second small-angle stretch rod lifting platform 102 is less than 2 mm; the support platform, the adjustment beam and related parts constitute a load-bearing component 10; limit rods 105 are provided on both sides of the support platform to limit and guide the side of the guide component.

[0056] Preferably, the connecting beam 103 is connected to the flexible solar wing 80 through a plurality of adjustment blocks 104, the adjustment blocks 104 include two upper and lower sliders 1041 and two left and right sliders 1042, the upper and lower sliders 1041 are connected to the connecting beam 103 through long holes in the up and down directions, and the left and right sliders 1042 are connected to the connecting beam 103 through long holes in the left and right directions, thereby realizing the connection and coordination between the connecting beam 103 and the solar wing 80 and improving the efficiency of assembly.

[0057] Preferably, the folding assembly 50 includes an adapter 501, a reducer 502 and an operating handle. The adapter 501 is fixedly connected to the upper support 201 in the guide assembly. The adapter shaft 505 in the reducer 502 is connected to the rotating shaft connecting shaft in the side guide assembly as an output end and rotates coaxially. The operating handle is fixedly connected to the input end of the reducer 502. The operating handle includes a handle rod 503 and a handle cover 506. One end of the handle rod 503 is fixedly connected to the input end of the reducer 502, and the other end is connected to the handle through a fixing pin 504. The handle cover 506 is arranged on the outside of the handle, which is easy to operate and improves the convenience of operation.

[0058] Preferably, the side guide assembly also includes an upper support 201, a lower support 209 and a side fixing frame 207, the reel connecting shaft 202 is rotatably connected to the upper support 201, the upper support 201 is vertically arranged on the lower support 209, the lower support 209 is arranged, and a guide wheel 204 is also provided at the upper end of the lower support 209, the guide wheel 204 is tangent to the inner side of the limit rod 105, the guide wheel 204 is horizontally arranged, the guide wheel 204 is rotatably connected to the support column 206 through a bearing, and the support column 206 is vertically arranged on the lower support 209; the reel connecting shaft 202 is rotatably connected to the upper support 201 through a bearing, and bearing retaining rings 203 are provided on both sides of the upper support 201 to axially position the bearing to ensure the positioning accuracy of the reel connecting shaft 202.

[0059] The lower support 209 is arranged on the side fixing frame 207, and a plurality of first follower wheels 211 are arranged at the lower end of the side fixing frame 207. A guide rail assembly 106 corresponding to and guiding the first follower wheels 211 is arranged on the support platform. One side guide assembly corresponds to one guide rail assembly 106. The side fixing frame 207 is formed by sheet metal welding, and the first follower wheel 211 is rotatably connected to the side fixing frame 207 through an inter-wheel connecting shaft 208.

[0060] Preferably, the guide rail assembly 106 is a groove-shaped structure with an opening facing upward, there are two first follower wheels 211, and both are arranged front and back in the moving direction of the side guide assembly, the first follower wheel 211 is arranged inside the guide rail assembly 106 and the two are arranged in coordination.

[0061] Preferably, when a dual solar wing 80 structure is adopted, the guide assembly also includes an intermediate guide assembly 30, which is arranged between the two side guide assemblies. The intermediate guide assembly 30 simultaneously fixes and guides one end of the two flexible solar wings 80, and moves synchronously with the reel. During the deployment and retraction process of the solar wings 80, it cooperates with the side guide assemblies to realize the unloading of the gravity of the solar wings 80 and the deployment and retraction guiding function. The side guide assemblies and the intermediate guide assembly 30 are both follow-up, relying on the power of the solar wings 80 themselves, and move with the deployment of the solar wings 80, or move with the drive of the folding assembly 50.

[0062] Preferably, the intermediate guide assembly 30 includes a front baffle ring 301, a rear baffle ring 308 and a movable frame 309. The front baffle ring 301 and the rear baffle ring 308 are connected to form a ring to support the solar wing reel. The lower end of the ring formed by the front baffle ring 301 and the rear baffle ring 308 is provided with a load-bearing wheel 305. The load-bearing wheel 305 is tangent to the solar wing reel and is used to decompose the weight of the solar wing 80. The ring formed by the front baffle ring 301 and the rear baffle ring 308 is fixed on the movable frame 309. The lower end of the movable frame 309 is provided with a second follower wheel 313, and the lower end of the second follower wheel 313 is provided with a guide rail assembly 106 for guiding it; the front baffle ring 301 is a semicircular structure, which is connected to the rear baffle ring 308 by screws to form a circle. The upper end of the rear baffle ring 308 is semicircular, and the lower end is connected and fixed to the movable frame 309. The movable frame 309 is similar to the side fixed frame 207 in structure and is also a sheet metal structure. The load-bearing wheel 305 is connected to the movable frame 309 by a load-bearing wheel 313. The shaft 306 and the load-bearing shaft 306 sleeve are rotatably connected to the rear retaining ring 308; the inner ring of the rear retaining ring 308 is provided with a plurality of lateral positioning wheels 302, which are used to reduce the friction when the solar wing 80 is unfolded or retracted around the reel, and the lateral positioning wheels 302 are rotatably connected relative to the rear retaining ring 308 through the lateral shaft 303 and the lateral shaft 303 sleeve; the outer ring of the rear retaining ring 308 is rotatably connected with a plurality of rotatably connected balls 310, and the axis of the ball 310 is set parallel to the axis of the rear retaining ring 308. In actual application, when unfolding, the rear retaining ring 308 may come into contact with the solar wing 80. After the ball 310 is set, the friction between the retaining ring and the solar wing 80 is reduced, and scratches on the solar wing 80 are avoided, thereby improving safety. In the intermediate guide assembly 30, the second follower wheels 313 are set in groups of two, because they bear the force of the two reels. In the side guide assembly, the first follower wheel 211 can be set alone.

[0063] During actual use, the solar wing 80 itself is powered and will open automatically after being opened, driving the side guide assembly and the middle guide assembly 30 to move. The structure of the present application can support the fixation-deployment-folding of the ultra-large area, high storage ratio and lightweight deployment mechanism. By adopting the small-angle gravity component unloading technology, the rotational friction caused by gravity of the product is unloaded. The two first small-angle extension rod lifting platforms 101 and the two second small-angle extension rod lifting platforms 102 in the load-bearing assembly 10 constitute four large platforms with smaller inclinations, and the two second small-angle extension rod lifting platforms 102 are centrally arranged. The two first small-angle extension rod lifting platforms 101 are symmetrically arranged on the outside of the two second small-angle extension rod lifting platforms 102. The entire large platform can be an air-floating platform to unload the gravity. The overall structure of the large platform is symmetrical on the left and right. The cross section has steps. The high and low surfaces are used to support flexible mechanisms of different heights. The two first small-angle extension rod lifting platforms 101 and the two second small-angle extension rod lifting platforms 102 can be separated and reassembled; the three guide rail components 106 in the load-bearing component 10 are parallel to each other and arranged horizontally. One guide rail component 106 is installed on the two second small-angle extension rod lifting platforms The gap between 102 and the other two guide rail assemblies 106 are installed on the outside of the large platform. The positional relationship between the large platform and the guide rail assembly 106 can be freely combined as needed. A gear is set at the tail of each guide rail assembly 106 to achieve physical blocking after full expansion. The gear can be an upward protrusion or a bump to achieve the limit position limit. The gear position can be adjusted according to actual conditions; the height of the connecting beam 103 can be adjusted up and down, and can be adjusted by changing the specifications, or by setting a hydraulic top, a hydraulic cylinder and other devices for height adjustment. The connecting beam 103 is installed at the height of the load-bearing assembly 10 On the lower side, the height inclination relative to the horizontal plane is within 2 degrees. A threaded hole for fine-tuning the position is provided on the connecting beam 103. The connecting beam 103 is connected to the product through an adjusting block 104. Each adjusting block 104 includes two upper and lower sliders 1041 and two left and right sliders 1042, which are convenient for adjusting the position of the adjusting block 104 relative to the connecting beam 103; limiting rods 105 are installed on both sides of the load-bearing component 10 and at the end of the load-bearing component 10 to prevent possible deviation when the flexible mechanism is unfolded. The load-bearing component 10 supports the unfolding of a single solar blanket battery array and a double solar blanket battery array.

[0064] The lateral guide assembly 20 is connected to the reel of the flexible solar wing 80 via the reel connecting shaft 202. After the two are connected, the reel of the solar wing 80 rotates with the lateral guide assembly 20, so as to facilitate the opening and closing actions. There is a guide wheel 204 on the outside of the lateral guide assembly 20, which assists in adjusting the direction of travel.

[0065] The middle guide assembly 30 is installed at the center of the flexible solar wing 80, located between the two solar blankets. The front baffle ring 301 can be removed from the rear baffle ring 308; there is a load-bearing wheel 305 below the circular ring formed by the front baffle ring 301 and the rear baffle ring 308, which is used to decompose the weight of the solar wing 80; on the outer ring of the circular ring formed by the front baffle ring 301 and the rear baffle ring 308, there are ball bearings 310 distributed to reduce the friction when the solar wing 80 is unfolded or retracted around the reel; in order to prevent the front and rear rings from touching the clamping fixings in the center of the flexible solar wing 80, lateral positioning wheels 302 are designed on the front and rear rings.

[0066] The lateral guide assembly 20 and the middle guide assembly 30 jointly bear the function of decomposing the self-weight of the flexible solar wing 80, and can also guide the deployment direction of the solar wing 80 during the deployment process of the solar wing 80. In addition, the lateral guide assembly 20 realizes the synchronous folding of the solar wing 80 through the folding assembly 50 during the folding process of the solar wing 80.

[0067] There are two sets of folding components 50 in the present structure, both of which are connected to the solar wing 80 around the reel through the reel connecting shaft 202 in the lateral guide component 20 and the adapter 501 of the reducer 502. The folding component 50 is synchronously folded through the left and right sets of reducers 502. The transmission form in the reducer 502 adopts different transmission forms according to the specific rolling solar wing 80 deployment test. The folding component 50 is connected with the lateral guide component 20 before the flexible solar wing 80 is folded. In order to ensure that the solar blanket is tightened around the reel when the solar wing 80 is folded, a counterweight block and a pulley assembly 40 can be added to the outside of the folding component 50. The counterweight block is set according to the weight matching of the solar wing 80. There are two sets of pulley assemblies 40, one folding component 50 is set corresponding to one pulley assembly 40, and the pulley assembly 40 guides the rope in the folding component 50. The solar wing 80 and the counterweight block are located on both sides of the pulley assembly 40, which play a role in stretching the solar wing 80 to ensure the tightening degree during the folding process.

[0068] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. An ultra-large area, high storage ratio and lightweight deployment mechanism deployment test device, characterized by: It includes a support platform, a connecting beam, a guide assembly and a folding assembly, wherein the support platform is a guide plane or an air-floating plane with an inclination angle, the connecting beam is arranged at one end of the support platform, and the end of the support platform away from the connecting beam is inclined upward, one end of the flexible solar wing is connected and fixed to the connecting beam, and the other end can be unfolded and folded; The guide assembly includes two sets of lateral guide assemblies, which are symmetrically arranged on both sides of the support platform. The lateral guide assemblies are installed on both sides of the solar wing reel through the reel connecting shaft, and move synchronously with the solar wing reel to achieve the unloading of gravity and the extension and retraction guidance of the solar wing during the extension and retraction process; There are two sets of folding components, which are installed on both sides of the lateral guide component respectively, and rotate coaxially with the reel connecting shaft to achieve uniform and synchronous folding; It also includes two rope pulley assemblies, which are installed at one end of the support platform away from the connecting beam, and one rope pulley assembly is arranged corresponding to one lateral guide assembly. When folding, the rope pulley assembly pulls the solar wing reel through the rope to achieve tight winding of the solar blanket when the solar wing is folded; the rope pulley assembly includes a guide pulley, a pulley bracket and a pulley shaft, the guide pulley is rotatably connected to the pulley shaft, the pulley shaft is mounted on the pulley bracket, and the pulley bracket is fixed on the support platform, one end of the rope is connected to the solar wing reel, and the other end is connected to the counterweight block after being guided by the guide pulley, and the counterweight block is arranged to match the weight of the solar wing; The folding assembly includes an adapter, a reducer and an operating handle, the adapter is fixedly connected to the upper support in the guide assembly, the adapter shaft in the reducer is connected to the rotating shaft connecting shaft in the lateral guide assembly as an output end and rotates coaxially, and the operating handle is fixedly connected to the input end of the reducer; The lateral guide assembly also includes an upper support, a lower support and a side fixing frame, the reel connecting shaft is rotatably connected to the upper support, the upper support is vertically arranged on the lower support, and a guide wheel is also arranged at the upper end of the lower support, and the guide wheel is tangent to the inner side of the limit rod; The lower support is arranged on the side fixing frame, a plurality of first follower wheels are arranged at the lower end of the side fixing frame, a guide rail assembly corresponding to and guiding the first follower wheels is arranged on the support platform, and one lateral guide assembly is arranged corresponding to one guide rail assembly; Limiting rods are arranged on both sides of the support platform to limit and guide the side surfaces of the guide assembly.

2. The deployment test device of the ultra-large area, high storage ratio and lightweight deployment mechanism according to claim 1, characterized in that: The support platform includes at least one first small-angle stretch rod lifting platform and at least one second small-angle stretch rod lifting platform. When there are multiple first small-angle stretch rod lifting platforms, their heights are the same. When there are multiple second small-angle stretch rod lifting platforms, their heights are the same. The heights of the first small-angle stretch rod lifting platform and the second small-angle stretch rod lifting platform are different. The flatness of the first small-angle stretch rod lifting platform and the second small-angle stretch rod lifting platform is less than 2 mm.

3. The deployment test device of the ultra-large area, high storage ratio and lightweight deployment mechanism according to claim 1, characterized in that: The connecting beam is connected to the flexible solar wing through multiple adjustment blocks, and the adjustment blocks include two upper and lower sliders and two left and right sliders. The upper and lower sliders are connected to the connecting beam through long holes in the upper and lower directions, and the left and right sliders are connected to the connecting beam through long holes in the left and right directions.

4. The deployment test device of the ultra-large area, high storage ratio and lightweight deployment mechanism according to claim 1, characterized in that: The guide rail assembly is a groove-shaped structure with an opening facing upward. There are two first follower wheels, both of which are arranged front and back in the moving direction of the lateral guide assembly. The first follower wheel is arranged inside the guide rail assembly and the two are arranged in coordination.

5. The deployment test device of the ultra-large area, high storage ratio and lightweight deployment mechanism according to claim 1, characterized in that: When a dual solar wing structure is adopted, the guide assembly also includes an intermediate guide assembly, which is arranged between the two lateral guide assemblies. The intermediate guide assembly fixes and guides one end of the two flexible solar wings, and moves synchronously with the solar wing reel. During the deployment and retraction process of the solar wings, it cooperates with the lateral guide assemblies to achieve unloading of the gravity of the solar wings and deployment and retraction guidance.

6. The deployment test device of the ultra-large area, high storage ratio and lightweight deployment mechanism according to claim 5, characterized in that: The intermediate guide assembly includes a front baffle ring, a rear baffle ring and a movable frame. The front baffle ring and the rear baffle ring are connected to form a ring to support the solar wing reel. A load-bearing wheel is provided at the lower end of the ring formed by the front baffle ring and the rear baffle ring. The load-bearing wheel is tangent to the solar wing reel and is used to decompose the weight of the solar wing. The ring formed by the front baffle ring and the rear baffle ring is fixed on the movable frame. A second follower wheel is provided at the lower end of the movable frame. A guide rail assembly is provided at the lower end of the second follower wheel to guide it.

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