CN113879562B - Space load unfolding and folding device - Google Patents
Space load unfolding and folding device Download PDFInfo
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- CN113879562B CN113879562B CN202111367692.XA CN202111367692A CN113879562B CN 113879562 B CN113879562 B CN 113879562B CN 202111367692 A CN202111367692 A CN 202111367692A CN 113879562 B CN113879562 B CN 113879562B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/222—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
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Abstract
The invention relates to a space load unfolding and folding device which comprises an unfolding and folding driving mechanism, a locking mechanism and at least two unfolding platforms which are sequentially hinged through hinges, wherein a power part of the unfolding and folding driving mechanism is arranged on one of the two adjacent unfolding platforms, and a transmission gear of the unfolding and folding driving mechanism is rotationally connected to the hinges of the two adjacent unfolding platforms and is connected with the other unfolding platform; the locking mechanism comprises a latch and a locking assembly, and the latch and the locking assembly are respectively arranged on two adjacent unfolding platforms; the power part of the unfolding and folding driving mechanism is in transmission connection with the transmission gear and drives the transmission gear to rotate around the hinge, so that the other unfolding platform is driven to rotate around the hinge; the adjacent two unfolding platforms are completely folded under the driving of the unfolding and folding driving mechanism, and the locking assembly is in adaptive clamping connection with the latch; two adjacent expansion platforms are completely expanded under the driving of the expansion driving mechanism to form a linear type supporting platform. The invention overcomes the special environment of the space and has strong environmental adaptability.
Description
Technical Field
The invention relates to the technical field related to space station scientific experiments, in particular to a space load unfolding and folding device.
Background
With the development of space science and space technology and the continuous exploration of human beings on the space, more and more space experiments are needed. Particularly, with the establishment of space stations and the explosive increase of the number of satellite launching, the types of space motion devices on which space scientific experimental loads need to be supported develop towards diversification, basification, long service life and expandability. The space launching task has the characteristics of short supply of launching volume, launching weight, power supply and communication resources, the space environment has the environmental characteristics of high-low temperature alternation, high vacuum, strong radiation, space fragment impact and the like, the complex task requirement and environmental characteristics put forward higher requirements on the type and form of the space moving device.
The design of the space motion device needs to give an emphasis to the difference caused by the difference between the space environment and the ground environment, the main difference between the space environment and the ground environment comprises microgravity, pressure difference, radiation heat transfer, adhesion and cold welding, vacuum air outlet, space debris and micrometeors, cold and black environment, solar radiation and the like, the design needs to be simplified as far as possible when the space motion device is designed, and the reliability of the motion device is improved through redundancy, lubrication, high margin, thermal protection, sealing design, electrostatic protection and combination with a reliability test.
The design is small in size and small in size, the on-orbit expansion size is large, the scientific load experiment is convenient, the support is provided for the installation of the scientific experiment load, and the problem to be solved urgently is solved.
Disclosure of Invention
The invention provides a space load unfolding and folding device for solving one or more of the problems in the prior art.
The technical scheme for solving the technical problems is as follows: a space load unfolding and folding device comprises an unfolding and folding driving mechanism, a locking mechanism and at least two unfolding platforms which are sequentially hinged through hinges, wherein a power part of the unfolding and folding driving mechanism is installed on one of the two adjacent unfolding platforms, and a transmission gear of the unfolding and folding driving mechanism is rotatably connected to the hinges of the two adjacent unfolding platforms and is connected with the other unfolding platform; the locking mechanism comprises a latch and a locking assembly, and the latch and the locking assembly are respectively arranged on two adjacent unfolding platforms;
the power part of the unfolding and folding driving mechanism is in transmission connection with the transmission gear and drives the transmission gear to rotate around the hinge, so that the other unfolding platform is driven to rotate around the hinge; the adjacent two unfolding platforms are completely folded under the driving of the unfolding and folding driving mechanism, and the locking assembly is in adaptive clamping connection with the latch; two adjacent expansion platforms are completely expanded under the driving of the expansion driving mechanism to form a linear type supporting platform.
The invention has the beneficial effects that: according to the space load unfolding and folding device, the power part of the unfolding and folding driving mechanism drives the transmission gear to move and drives the unfolding platforms connected with the transmission gear to move, so that two adjacent unfolding platforms are folded or unfolded, and the locking assembly is matched with the latch to lock and position the two unfolded unfolding platforms, so that the stability and reliability of the relative movement of the two adjacent unfolding platforms are facilitated, the special environment of the space is overcome, the environmental adaptability is strong, the installation of various space scientific experimental devices is facilitated, and the long-term service of the on-track replacement of each scientific load is facilitated. And each mechanism is convenient to replace on the track, so that the space load unfolding and folding device has better maintainability, the working time of the unfolding platform is effectively prolonged, and the resources and the cost are saved. The space load unfolding and folding device can realize that the unfolding platform has a smaller size when in a ground folding state, and is convenient for ground storage, transportation, test and launching; the expansion platform with the large size on the rail is convenient for carrying out scientific experiments as much as possible, and obtains more scientific experimental data in the limited space.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, locking Assembly includes lock tongue seat, extension spring and spring bolt, the spring bolt middle part is rotated and is connected on the lock tongue seat, spring bolt one end is connected with the lock tongue seat through the extension spring, the lock tongue seat is stretched out to the spring bolt other end to when adjacent two when the expansion platform draws in completely with hasp adaptation joint.
The beneficial effect of adopting the further scheme is that: the middle part of the lock tongue is rotatably connected to the lock tongue seat, and the tension spring can provide restoring force for the lock tongue to be clamped into the lock bolt.
Further, one side of spring bolt is equipped with the draw-in groove, the hasp includes hasp seat and hasp axle, the joint interval has in the hasp seat, the hasp hub connection be in the joint interval, the hasp epaxial be equipped with the joint bearing of draw-in groove adaptation on the spring bolt.
The beneficial effect of adopting the further scheme is that: through setting up the draw-in groove in spring bolt one side, and set up the joint bearing on the latch shaft, when spring bolt and hasp adaptation joint, the spring bolt is at the in-process of motion, one side of spring bolt can butt joint bearing, the one end pulling extension spring of spring bolt, the joint bearing rotates under the frictional force effect of spring bolt, when the draw-in groove of spring bolt moved joint bearing position, can be under extension spring restoring force effect, make joint bearing card go into the draw-in groove in, whole joint process is smooth stable, it is little to receive space environment influence.
Furthermore, the hasp seat includes two bolt boards of interval arrangement from top to bottom, the hasp axle is arranged in the joint interval between two bolt boards, and both ends are connected with two bolt boards respectively.
The beneficial effect of adopting the further scheme is that: the bolt plates arranged at intervals are adopted, so that a movement clearance can be provided for the movement of the bolt and the clamping bearing.
Furthermore, a tension spring groove and a lock tongue groove are formed in the lock tongue seat, the tension spring is assembled in the tension spring groove, the lock tongue is rotatably assembled in the lock tongue groove, and the tension spring groove and the lock tongue groove are communicated with each other and are arranged in a V shape.
The beneficial effect of adopting the further scheme is that: the tension spring groove and the lock tongue groove which are arranged in a V shape are adopted, so that structural support can be provided for the assembly of the tension spring and the lock tongue.
Furthermore, one side groove wall of the lock tongue groove is a limiting groove wall close to the tension spring groove, and the limiting groove wall comprises a first limiting section and a second limiting section which are connected with each other and are arranged at an angle; the lock tongue is rotatably connected in the lock tongue groove through a rotating shaft and is divided into a locking section and a connecting section by taking the rotating shaft as a boundary, the free end of the connecting section is connected with the tension spring, and the locking section is in adaptive clamping connection with the lock latch; when the lock tongue is in adaptive clamping connection with the lock bolt, the first limiting section is adaptive to the locking section of the lock tongue; when the lock tongue and the lock bolt are unlocked, the second limiting section is matched with the connecting section of the lock tongue.
The beneficial effect of adopting the further scheme is that: by arranging the first limiting section, when the lock tongue is in adaptive clamping connection with the lock bolt, the lock tongue can be limited and supported; through setting up the spacing section of second, when the spring bolt not with during hasp adaptation joint, can carry out spacing support to the spring bolt, avoid the spring bolt to move excessively under the extension spring effect.
Furthermore, a limiting groove is formed in the position, close to the spring bolt, of the spring bolt seat, and the limiting groove and the clamping groove surround to form a limiting clamping groove for limiting and clamping the lock bolt.
The beneficial effect of adopting the further scheme is that: through setting up the spacing groove, can carry on spacingly with the draw-in groove cooperation on the spring bolt to the hasp, locking structure is more reliable and more stable.
Furthermore, the power part of the unfolding and folding driving mechanism comprises a driving motor, the output end of the driving motor is connected with a driving gear, and the driving gear is in transmission connection with the transmission gear; two adjacent unfolding platforms are hinged through two or more hinges, and the transmission gear is rotationally connected to one hinge; and an unfolding in-place sensor is arranged on the side wall of one of the two adjacent unfolding platforms.
The beneficial effect of adopting the further scheme is that: two adjacent unfolding platforms are hinged by two or more hinges, so that the unfolding and folding processes are more stable and reliable.
The load body is arranged on the upper side of each unfolding platform; the top of the expansion platform is provided with a first step structure, the bottom of the load body is provided with a second step structure matched with the first step structure, and the load body is butted with the first step structure through the second step structure to realize assembly with the expansion platform.
The beneficial effect of adopting the further scheme is that: the space load unfolding and folding device can unfold and fold the load body, and the change of different sizes of the load body is realized. The assembly is carried out by arranging the stepped structure, so that other functional parts can be conveniently arranged, and the stable assembly of the load body on the unfolding platform is facilitated.
Furthermore, an assembly groove is formed in the upper end of the hinged part of the unfolding platform, the latch and the locking assembly are respectively installed in the corresponding assembly grooves, one part of the bottom of the load body is matched with the end face of the upper end of the hinged part of the unfolding platform, and the latch or the locking assembly is hidden in the unfolding platform.
The beneficial effect of adopting the further scheme is that: the whole assembly structure is stable and compact, is favorable for ground small-size storage, transportation, test and launching, and is also convenient for obtaining a large-size expansion platform and a larger-area load body after the expansion on the rail.
Drawings
Fig. 1 is a schematic perspective view of a space load unfolding and folding device according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic perspective view of the space load unfolding and folding device according to the present invention;
FIG. 4 is an enlarged view of the portion B in FIG. 3;
fig. 5 is a schematic view of a three-dimensional explosive structure of the assembly of the deployment platform and the loading body of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
100. unfolding the platform; 101. a drive motor; 103. an intermediate gear; 104. a transmission gear; 105. a motor reducer; 106. a bolt seat; 107. a tension spring; 108. a latch bolt; 109. a latch base; 110. a latch shaft; 111. a card slot; 112. clamping a bearing; 113. a latch board; 115. a tension spring groove; 116. a lock tongue groove; 117. a first limiting section; 118. a second limiting section; 119. a locking section; 120. a connecting section; 121. a limiting groove; 122. a hinge; 123. deploying an in-position sensor; 124. a first stepped structure; 125. a latch; 126. a locking assembly; 127. a rotating shaft; 128. a guide post; 129. assembling a groove;
200. a load body; 201. a second stepped structure.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, the space load unfolding and folding device of this embodiment includes an unfolding and folding driving mechanism, a locking mechanism, and at least two unfolding platforms 100 sequentially hinged by a hinge 122, wherein a power portion of the unfolding and folding driving mechanism is installed on one of the two adjacent unfolding platforms 100, and a transmission gear 104 of the unfolding and folding driving mechanism is rotatably connected to the hinge 122 of the two adjacent unfolding platforms 100 and connected to the other unfolding platform 100; the locking mechanism includes a latch 125 and a locking assembly, and the latch 125 and the locking assembly 126 are respectively mounted on two adjacent deployment platforms 100.
There are shown two deployment platforms 100 hinged by hinges 122, as shown in fig. 1 and 3. When more than two expansion platforms 100 are hinged, each expansion platform 100 can be folded and expanded in a zigzag folding manner.
As shown in fig. 2 and 4, the power part of the unfolding and folding driving mechanism is in transmission connection with the transmission gear 104 and drives the transmission gear 104 to rotate around the hinge 122, so as to drive the other unfolding platform 100 to rotate around the hinge 122; two adjacent unfolding platforms 100 are completely folded under the driving of the unfolding and folding driving mechanism, and the locking assembly 126 is in adaptive clamping connection with the latch 125; two adjacent expansion platforms 100 are completely expanded under the driving of the expansion driving mechanism to form a linear type supporting platform.
As shown in fig. 2 and 4, a specific scheme of the locking assembly 126 of this embodiment is that the locking assembly 126 includes a bolt seat 106, a tension spring 107 and a bolt 108, the middle portion of the bolt 108 is rotatably connected to the bolt seat 106, one end of the bolt 108 is connected to the bolt seat 106 through the tension spring 107, and the other end of the bolt 108 extends out of the bolt seat 106 and is adapted to be clamped with the latch 125 when two adjacent unfolding platforms 100 are completely folded. The middle part of the lock tongue is rotatably connected to the lock tongue seat, and the tension spring can provide restoring force for the lock tongue to be clamped into the lock bolt.
As shown in fig. 2 and 4, in a preferred embodiment of the present invention, a clamping groove 111 is formed on one side of the lock tongue 108, the latch 125 includes a latch base 109 and a latch shaft 110, a clamping interval is formed in the latch base 109, the latch shaft 110 is connected in the clamping interval, and a clamping bearing 112 adapted to the clamping groove 111 on the lock tongue 108 is disposed on the latch shaft 110. Through setting up the draw-in groove in spring bolt one side, and set up the joint bearing on the latch shaft, when spring bolt and hasp adaptation joint, the spring bolt is at the in-process of motion, one side of spring bolt can butt joint bearing, the one end pulling extension spring of spring bolt, the joint bearing rotates under the frictional force effect of spring bolt, when the draw-in groove of spring bolt moved joint bearing position, can be under extension spring restoring force effect, make joint bearing card go into the draw-in groove in, whole joint process is smooth stable, it is little to receive space environment influence.
As shown in fig. 2 and 4, an alternative of this embodiment is that the latch base 109 includes two latch plates 113 spaced up and down, the latch shaft 110 is located in the clamping space between the two latch plates 113, and both ends of the latch shaft are connected to the two latch plates 113 respectively. The bolt plates arranged at intervals are adopted, so that a movement clearance can be provided for the movement of the bolt and the clamping bearing. Alternatively, the latch base 109 may be directly formed in a U-shaped structure with a side view, and the latch shaft 110 may be mounted inside an open end of the U-shaped structure.
As shown in fig. 2 and 4, a preferable scheme of this embodiment is that the latch base 106 is provided with a tension spring groove 115 and a latch groove 116, the tension spring 107 is assembled in the tension spring groove 115, the latch 108 is rotatably assembled in the latch groove 116, and the tension spring groove 115 and the latch groove 116 are mutually communicated and arranged in a V shape. The tension spring groove and the lock tongue groove which are arranged in a V shape are adopted, so that structural support can be provided for the assembly of the tension spring and the lock tongue.
As shown in fig. 2 and 4, a further solution of this embodiment is that one side groove wall of the lock tongue groove 116 is a position-limiting groove wall close to the tension spring groove 115, and the position-limiting groove wall includes a first position-limiting section 117 and a second position-limiting section 118 that are connected to each other and arranged at an angle; the bolt 108 is rotatably connected in the bolt slot 116 through a rotating shaft 127, and is divided into a locking section 119 and a connecting section 120 by taking the rotating shaft 127 as a boundary, the free end of the connecting section 120 is connected with the tension spring 107, and the locking section 119 is in adaptive clamping connection with the bolt 125; when the bolt 108 is adapted to be clamped with the latch 125, the first position-limiting section 117 is adapted to the locking section 119 of the bolt 108; when the latch tongue 108 is released from the latch 125, the second position-limiting section 118 is adapted to the connecting section 120 of the latch tongue 108. By arranging the first limiting section, when the lock tongue is in adaptive clamping connection with the lock bolt, the lock tongue can be limited and supported; through setting up the spacing section of second, when the spring bolt not with during hasp adaptation joint, can carry out spacing support to the spring bolt, avoid the spring bolt to move excessively under the extension spring effect.
As shown in fig. 2 and fig. 4, a preferable scheme of this embodiment is that a position of the lock tongue seat 106 close to the lock tongue 108 is provided with a limiting groove 121, and the limiting groove 121 and the clamping groove 111 surround to form a limiting clamping groove for limiting and clamping the lock bolt 125. Through setting up the spacing groove, can carry on spacingly with the draw-in groove cooperation on the spring bolt to the hasp, locking structure is more reliable and more stable.
As shown in fig. 1 to 4, a specific solution of this embodiment is that the power part of the unfolding and folding driving mechanism includes a driving motor 101, an output end of the driving motor 101 is connected with a driving gear, the driving gear is in transmission connection with the transmission gear 104, and specifically, the driving gear is in transmission connection with the transmission gear 104 through an intermediate gear 103; two adjacent unfolding platforms 100 are hinged through two or more hinges 122, and the transmission gear 104 is rotatably connected to one of the hinges 122; a deployment-in-position sensor 123 is arranged on the side wall of one deployment platform 100 of two adjacent deployment platforms 100. Two adjacent unfolding platforms are hinged by two or more hinges, so that the unfolding and folding processes are more stable and reliable. As shown in fig. 2 and 4, a hinge 122 may be respectively disposed at a position near the top and a position near the bottom of the deployed platform 100, so that the extending and retracting movements of two adjacent deployed platforms 100 are more stable and reliable.
Specifically, the driving motor 104 is connected with a motor reducer 105, and the motor reducer 105 rotates forward and backward to drive the driving gear, the intermediate gear 103 and the transmission gear 104 to operate, and drive the hinge 122 connected with the transmission gear 104 to open or close, so as to finally realize the opening or closing of the opening platform. The motor reducer 105 can be fixed on the mounting flange, and then the mounting flange and the unfolding platform can be mounted through the release screws, the mounting position of the mounting flange and the unfolding platform is convenient for the on-rail replacement of the electrode reducer, the unfolding driving mechanism can have good maintainability, the working time of the unfolding platform is effectively prolonged, and resources and cost are saved.
As shown in fig. 5, a further aspect of this embodiment is that the space load unfolding and folding device further includes a load body 200, and the load body 200 is installed on the upper side of each unfolding platform 100. The space load unfolding and folding device of the embodiment can unfold and fold the load body, and realizes the change of different sizes of the load body.
As shown in fig. 5, a first step structure 124 is disposed at the top of the unfolding platform 100 of this embodiment, a second step structure 201 adapted to the first step structure 124 is disposed at the bottom of the load body 200, and the load body 200 is butted with the first step structure 124 through the second step structure 201 to realize assembly with the unfolding platform 100. The horizontal step surface of the first step structure 124 of the unfolding platform 100 is provided with a guide post 128, the horizontal step surface of the second step structure 201 at the bottom of the load body 200 is provided with a guide hole, when the load body 200 is assembled, the guide hole of the load body 200 can be corresponding to the guide post 128 on the unfolding platform 100, and the load body 200 can be assembled by guiding the guide post 128, so that the stable assembly of the load body on the unfolding platform is facilitated.
As shown in fig. 2 and 4, the upper end of the hinge joint of the deployment platform 100 of the present embodiment is provided with a mounting groove 129, the latch 125 and the locking assembly 126 are respectively mounted in the corresponding mounting groove 129, and a portion of the bottom of the load body 200 is fitted with the upper end face of the hinge joint of the deployment platform 100, so as to hide the latch 125 or the locking assembly 126 in the deployment platform 100. The whole assembly structure is stable and compact, is favorable for ground small-size storage, transportation, test and launching, and is also convenient for obtaining a large-size expansion platform and a larger-area load body after the expansion on the rail.
The working process of the space load unfolding and folding device of the embodiment is that when two adjacent unfolding platforms 100 are unfolded, the driving motor 101 is used for driving the motor reducer 105 and the driving gear connected with the two unfolding platforms to operate, the driving gear drives the transmission gear 104 to rotate, because the central shaft of the transmission gear 104 is connected with the hinge 122, and one unfolding platform 100 of the two adjacent unfolding platforms 100 is fixed on the end surface of the transmission gear 104, when the transmission gear 104 rotates, the fixed unfolding platform 100 can be driven to unfold. As the adjacent two unfolding platforms 100 are gradually unfolded, when the butt joint is approached, the locking section 119 of the latch tongue 108 contacts the snap bearing 112 of the latch 125, and under the rolling pressure of the snap bearing 112, the locking section 119 swings around the rotating shaft 127, so that the connecting section 120 also swings along with the swinging and pulling of the tension spring 107. When two adjacent expansion platforms 100 are completely butted, the clamping bearing 112 is adapted to be clamped into the clamping groove 111 on the bolt 108 under the action of the tension spring 107; at the moment, the tension spring tensions the lock tongue, and finally, force is transmitted to the clamping bearing of the lock latch, namely, the platform is locked and unfolded through the tension spring. The limiting groove 121 at one end of the latch base 106 and the slot 111 can limit the snap bearing 112. Before the unfolding platforms are locked to the final position, the unfolding-in-place sensor 123 on one side of one of the unfolding platforms can be touched to feed back the unfolding-in-place state.
The space load unfolding and folding device of the embodiment drives the transmission gear to move through the power part of the unfolding and folding driving mechanism, drives the unfolding platforms connected with the transmission gear to move, enables the two adjacent unfolding platforms to be folded or unfolded, and utilizes the matching of the locking assembly and the latch to lock and position the two unfolded unfolding platforms, so that the stability and reliability of the relative movement of the two adjacent unfolding platforms are facilitated, the special environment of the space is overcome, and the environmental adaptability is strong. And each mechanism is convenient to replace on the track, so that the space load unfolding and folding device has better maintainability, the working time of the unfolding platform is effectively prolonged, and the resources and the cost are saved. The space load unfolding and folding device can realize that the unfolding platform has a smaller size when in a ground folding state, and is convenient for ground storage, transportation, test and launching; the expansion platform with the large size on the rail is convenient for carrying out scientific experiments as much as possible, and obtains more scientific experiment data in the limited space.
The space load unfolding and folding device can be arranged on aircrafts such as a space station, a satellite, a lunar probe, a mars probe and the like, is beneficial to the installation of scientific experimental loads and in-orbit experiments, and obtains scientific experimental data of the space loads.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A space load unfolding and folding device is characterized by comprising an unfolding and folding driving mechanism, a locking mechanism and at least two unfolding platforms which are sequentially hinged through hinges, wherein a power part of the unfolding and folding driving mechanism is arranged on one of the two adjacent unfolding platforms, and a transmission gear of the unfolding and folding driving mechanism is rotatably connected to the hinges of the two adjacent unfolding platforms and is connected with the other unfolding platform; the locking mechanism comprises a latch and a locking assembly, and the latch and the locking assembly are respectively arranged on two adjacent unfolding platforms;
the power part of the unfolding and folding driving mechanism is in transmission connection with the transmission gear and drives the transmission gear to rotate around the hinge, so that the other unfolding platform is driven to rotate around the hinge; the adjacent two unfolding platforms are completely folded under the driving of the unfolding and folding driving mechanism, and the locking assembly is in adaptive clamping connection with the latch; two adjacent expansion platforms are completely expanded under the driving of the expansion driving mechanism to form a linear type supporting platform.
2. The space load unfolding and folding device as claimed in claim 1, wherein the locking assembly comprises a bolt base, a tension spring and a bolt, the middle part of the bolt is rotatably connected to the bolt base, one end of the bolt is connected with the bolt base through the tension spring, and the other end of the bolt extends out of the bolt base and is in fit joint with the bolt when the two adjacent unfolding platforms are completely folded.
3. The space load unfolding and folding device as claimed in claim 2, wherein a clamping groove is formed in one side of the lock tongue, the lock bolt comprises a lock bolt seat and a lock bolt shaft, a clamping interval is formed in the lock bolt seat, the lock bolt shaft is connected to the clamping interval, and a clamping bearing matched with the clamping groove in the lock tongue is arranged on the lock bolt shaft.
4. The space load unfolding and folding device as recited in claim 3, wherein said latch base comprises two latch plates spaced up and down, said latch shaft is located in the clamping space between the two latch plates, and two ends of said latch shaft are respectively connected with the two latch plates.
5. The space load spreading and retracting device of claim 2, wherein the spring bolt seat is provided with a spring bolt groove and a bolt groove, the tension spring is assembled in the spring bolt groove, the bolt is rotatably assembled in the bolt groove, and the spring bolt groove and the bolt groove are communicated with each other and arranged in a V shape.
6. The space load spreading and retracting device of claim 5, wherein one side groove wall of the lock tongue groove is a limiting groove wall close to the tension spring groove, and the limiting groove wall comprises a first limiting section and a second limiting section which are connected with each other and are arranged at an angle; the lock tongue is rotatably connected in the lock tongue groove through a rotating shaft and is divided into a locking section and a connecting section by taking the rotating shaft as a boundary, the free end of the connecting section is connected with the tension spring, and the locking section is in adaptive clamping connection with the lock latch; when the lock tongue is in adaptive clamping connection with the lock bolt, the first limiting section is adaptive to the locking section of the lock tongue; when the lock tongue and the lock bolt are unlocked, the second limiting section is matched with the connecting section of the lock tongue.
7. The space load unfolding and folding device as claimed in claim 3 or 4, wherein a position of the lock tongue seat close to the lock tongue is provided with a limiting groove, and the limiting groove and the clamping groove surround to form a limiting clamping groove for limiting and clamping the lock latch.
8. The space load spreading and retracting device according to any one of claims 1 to 6, wherein the power part of the spreading and retracting driving mechanism comprises a driving motor, the output end of the driving motor is connected with a driving gear, and the driving gear is in transmission connection with the transmission gear; two adjacent unfolding platforms are hinged through two or more hinges, and the transmission gear is rotationally connected to one hinge; and an unfolding in-place sensor is arranged on the side wall of one of the two adjacent unfolding platforms.
9. The space load spreading and retracting device according to any one of claims 1 to 6, further comprising a load body, wherein the load body is mounted on the upper side of each spreading platform; the top of the expansion platform is provided with a first step structure, the bottom of the load body is provided with a second step structure matched with the first step structure, and the load body is butted with the first step structure through the second step structure to realize assembly with the expansion platform.
10. The space load unfolding and folding device as recited in claim 9, wherein the upper end of the hinge joint of said unfolding platform is provided with a mounting groove, said latch and said locking assembly are respectively mounted in the corresponding mounting grooves, a part of the bottom of said load body is matched with the upper end surface of the hinge joint of said unfolding platform, and said latch or said locking assembly is hidden in said unfolding platform.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111367692.XA CN113879562B (en) | 2021-11-18 | 2021-11-18 | Space load unfolding and folding device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111367692.XA CN113879562B (en) | 2021-11-18 | 2021-11-18 | Space load unfolding and folding device |
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| CN113879562A CN113879562A (en) | 2022-01-04 |
| CN113879562B true CN113879562B (en) | 2022-04-19 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0430410A1 (en) * | 1989-11-23 | 1991-06-05 | British Aerospace Public Limited Company | A power actuable, openable and closable, lockable and unlockable, hinge assembly |
| CN108401576B (en) * | 2013-11-29 | 2015-09-23 | 西安空间无线电技术研究所 | A kind of net-shape antenna armful ring expansion hinge |
| CN107352052A (en) * | 2017-07-19 | 2017-11-17 | 北京吾天科技有限公司 | A kind of coordinated type solar wing unblock and development mechanism |
| CN109094821A (en) * | 2018-09-30 | 2018-12-28 | 哈尔滨工业大学 | A kind of flexibility solar wing elasticity boom repetition Zhan Shou mechanism |
| CN111193095A (en) * | 2020-01-06 | 2020-05-22 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Deployable mechanism of satellite-borne antenna |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB201520187D0 (en) * | 2015-11-16 | 2015-12-30 | Oxford Space Systems Ltd | Hinge |
-
2021
- 2021-11-18 CN CN202111367692.XA patent/CN113879562B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0430410A1 (en) * | 1989-11-23 | 1991-06-05 | British Aerospace Public Limited Company | A power actuable, openable and closable, lockable and unlockable, hinge assembly |
| CN108401576B (en) * | 2013-11-29 | 2015-09-23 | 西安空间无线电技术研究所 | A kind of net-shape antenna armful ring expansion hinge |
| CN107352052A (en) * | 2017-07-19 | 2017-11-17 | 北京吾天科技有限公司 | A kind of coordinated type solar wing unblock and development mechanism |
| CN109094821A (en) * | 2018-09-30 | 2018-12-28 | 哈尔滨工业大学 | A kind of flexibility solar wing elasticity boom repetition Zhan Shou mechanism |
| CN111193095A (en) * | 2020-01-06 | 2020-05-22 | 西南电子技术研究所（中国电子科技集团公司第十研究所） | Deployable mechanism of satellite-borne antenna |
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| CN113879562A (en) | 2022-01-04 |
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