CN108646383B - Spatial foldable splicing optical supporting mechanism - Google Patents
Spatial foldable splicing optical supporting mechanism Download PDFInfo
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- CN108646383B CN108646383B CN201810303651.6A CN201810303651A CN108646383B CN 108646383 B CN108646383 B CN 108646383B CN 201810303651 A CN201810303651 A CN 201810303651A CN 108646383 B CN108646383 B CN 108646383B
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- mirror surface
- regular hexagonal
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/183—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors specially adapted for very large mirrors, e.g. for astronomy, or solar concentrators
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
Abstract
The invention relates to the technical field of spaceflight. The technical scheme is as follows: the utility model provides a collapsible concatenation optics supporting mechanism in space which characterized in that: the device comprises a first frame part for supporting a first regular hexagonal mirror surface, a middle box part for moving a second regular hexagonal mirror surface and a third regular hexagonal mirror surface and a second frame part for supporting a fourth regular hexagonal mirror surface, which are connected in sequence; the first frame part comprises a first regular hexagon mirror surface fixed on two first cross rods through first longitudinal rods, two first rotary fixing mechanisms used for unfolding the frame are symmetrically hinged to two ends of each first cross rod, and a first telescopic motor used for fixing the unfolded frame is arranged on the two first rotary fixing mechanisms; the middle box-shaped part comprises a supporting bottom plate, a second regular hexagonal mirror surface movement device and a third regular hexagonal movement device which are positioned on the supporting bottom plate. The device is packed and contracted when being launched, and the four sub-mirror surfaces are spliced into a large mirror surface after reaching the space, so that the space utilization rate is improved.
Description
Technical Field
The invention relates to the technical field of spaceflight, in particular to a spatial foldable splicing optical supporting mechanism.
Background
In order to promote the scientific understanding of planets, stars and galaxies for human beings and to deeply survey the universe, astronomical telescopes with larger and larger sizes are needed to obtain larger light-gathering capacity and angular resolution. The size of the single-chip reflector is limited due to the deformation of the mirror surface caused by factors such as gravity and the like on the ground, so that the spliced assembly mirror surface is produced; however, these terrestrial astronomical telescopes always have fatal weaknesses, such as the influence of the deformation and partial absorption of light in the atmosphere, the limitation that they are fixed on the rotating earth and cannot move, and the like, and the influence on the use function of the terrestrial astronomical telescopes is not a little great. Which can be avoided by space-based foldable astronomical telescopes.
Disclosure of Invention
The invention aims to provide a space foldable splicing optical supporting mechanism according to the background technology, the device can realize packaging and shrinkage during emission, and four sub-mirror surfaces can be spliced into a large mirror surface after reaching the space, so that the space utilization rate is improved.
The technical scheme of the invention is as follows:
the utility model provides a collapsible concatenation optics supporting mechanism in space which characterized in that: the supporting mechanism comprises a first frame part for supporting the first regular hexagonal mirror surface, a middle box part for moving the second regular hexagonal mirror surface and the third regular hexagonal mirror surface and a second frame part for supporting the fourth regular hexagonal mirror surface, which are connected in sequence;
the first frame part comprises a first regular hexagon mirror surface fixed on two first cross rods through first longitudinal rods, two first rotary fixing mechanisms used for unfolding the frame are symmetrically hinged to two ends of each first cross rod, and a first telescopic motor used for fixing the unfolded frame is arranged on the two first rotary fixing mechanisms;
each first rotary fixing mechanism comprises a first connecting block and a second connecting block which are hinged through a second pin shaft, the first connecting block is fixedly connected with one end of a first rod, the top end of the second connecting block is provided with a hook and is fixedly connected with one end of a second rod, the second rotary motor is fixed on a supporting bottom plate of the middle box-shaped part, a motor shaft is fixedly connected with the other end of the second rod to realize driving, and a buckle manufactured in the first rotary fixing mechanism;
the middle box-shaped part comprises a supporting bottom plate, a second regular hexagonal mirror surface movement device and a third regular hexagonal movement device, wherein the second regular hexagonal mirror surface movement device and the third regular hexagonal movement device are positioned on the supporting bottom plate;
the second regular hexagonal mirror surface motion device comprises a second regular hexagonal mirror surface which can be horizontally movably positioned on the supporting bottom plate through a guide rail pair consisting of a guide rail block and a long rod guide rail; the second regular hexagonal mirror surface is fixed on two support rods, two ends of each support rod are respectively fixed on a guide rail block, two long rod guide rails matched with the guide rail blocks are respectively fixed on two side edges of the support bottom plate, and the guide rail blocks are driven by a first driving motor to slide along the length direction of the long rod guide rails;
the third regular hexagon movement device comprises two guide groove rods which are fixed on the support bottom plate and are arranged in parallel, a cylindrical rod, a third regular hexagon mirror surface and a second driving motor, wherein one end of the cylindrical rod is inserted into a sliding groove in the guide groove rods and can be slidably positioned in the sliding groove;
the second frame part comprises a fourth regular hexagon mirror surface positioned on the two second cross rods through second longitudinal rods, two second rotary fixing mechanisms for unfolding the frame and second telescopic motors for fixing the unfolded frame are symmetrically hinged to two ends of each second cross rod; an upper slide rail is fixed on the second longitudinal rod, a lower slide rail in sliding fit with the upper slide rail is fixedly connected with the fourth regular hexagonal mirror surface, a third driving motor fixed on the upper slide rail drives the lower slide rail to slide along the upper slide rail, and driving force is generated by meshing a gear on a motor shaft of the third driving motor and a second rack fixed on the lower slide rail;
the second rotary fixing mechanism is the same in structure as the first rotary fixing mechanism and is arranged symmetrically to the support bottom plate with the first rotary fixing mechanism.
Two ends of each first cross rod are symmetrically hinged with first rods of the first rotary fixing mechanism; the first telescopic motor is installed on the second rod, and a motor shaft of the first telescopic motor penetrates through a through hole in the second rod and then is inserted into a lock hole in the first cross rod to be locked.
The guide rail block can be slidably positioned in the groove of the long rod guide rail; a third rack arranged along the length direction is manufactured on the long rod guide rail, and a gear matched with the third rack is arranged on a motor fixed on the support rod; so as to drive the supporting rod to slide along the groove.
The buckle includes that the top can swing and articulate two telescopic links that just have expanding spring in the second connecting block through first round pin axle, fix the bottom at two telescopic links and can get into or withdraw from under the drive of telescopic link the sliding pin of crotch and application of force in the telescopic link makes the sliding pin embedding first torsional spring in the crotch.
The middle box-shaped part is fixedly connected with a second rod of the first rotary fixing mechanism through output shafts of second rotary motors distributed at four corners of the upper surface of the supporting bottom plate respectively and realizes driving; the axis of the output shaft of the second rotating motor is parallel to the axis of the second pin shaft.
And the middle box-shaped part is fixedly connected with a second rod of the second rotary fixing mechanism through output shafts of second rotary motors distributed at four corners of the lower surface of the supporting bottom plate respectively and realizes driving.
The support base plate is rectangular and is provided with two grooves for preventing the first rod and the second rod in the second frame part from moving and interfering.
A second telescopic motor in the second rotary fixing mechanism is arranged in the same way as the first telescopic motor in the working principle; the second cross bar has the same structure as the first cross bar; the two longitudinal rods have the same structure as the first longitudinal rod; the second telescopic motor is the same as the first telescopic motor in structure.
The axes of the second pin shaft, the first pin shaft and the sliding pin are parallel to each other and are vertical to the length directions of the first rod and the second rod; the two ends of the sliding pin extend outwards respectively and are inserted into the grooves of the second rod.
The distance between the two guide groove rods is equal to the radius of the inscribed circle of the regular hexagon; one side of the back surface of the fourth regular hexagonal mirror surface is provided with a groove.
The invention has the beneficial effects that: the invention can greatly reduce the space required by emission; the diameter size of the mirror surface of the space reflector is greatly improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a perspective view of the first frame part of the present invention.
Fig. 3 is one of the schematic perspective views of the first rotation fixing mechanism of the present invention.
Fig. 4 is a second perspective view of the first rotation fixing mechanism of the present invention.
Fig. 5 is a schematic perspective view of a first connection block according to the present invention.
Fig. 6 is a perspective view illustrating a second connecting block according to the present invention.
Fig. 7 is a perspective view of the first side rail of the present invention.
Fig. 8 is a perspective view showing a contracted state of the middle box-shaped portion of the present invention.
Fig. 9 is a perspective view showing the expanded state of the middle box-shaped portion of the present invention.
Fig. 10 is a perspective view of the base plate of the present invention.
FIG. 11 is a schematic perspective view of the middle box section of the present invention (with only a second regular hexagonal mirror surface).
Fig. 12 is a schematic perspective view showing the fitting relationship between the long-rod guide rail and the guide rail block according to the present invention.
FIG. 13 is a second perspective view of the middle box section of the present invention (with only a third regular hexagonal mirror).
FIG. 14 is a third perspective view of the middle box-shaped part of the present invention (with only a third regular hexagonal mirror plate).
Fig. 15 is a perspective view of the channel guide rod of the present invention.
Fig. 16 is a perspective view of a second frame portion of the present invention.
FIG. 17 is a schematic perspective view of a fourth regular hexagonal mirror plate according to the present invention.
FIGS. 18-22 are schematic views illustrating the progressive deployment of the components of the first rotating fastening mechanism of the present invention.
FIGS. 23 to 26 are schematic views showing the stepwise expansion of the respective parts of the middle box-shaped part of the present invention.
FIGS. 27-34 are schematic views of the step-by-step deployment process of the present invention.
Detailed Description
The present invention will be further described with reference to the following examples, but the present invention is not limited to the following examples.
The space-folding spliced optical support mechanism shown in FIG. 1 comprises a first frame part 1 supporting a first regular hexagonal mirror surface, a middle box part 2 performing a moving operation on a second regular hexagonal mirror surface and a third regular hexagonal mirror surface, and a second frame part 3 supporting a fourth regular hexagonal mirror surface, which are connected in sequence;
a first frame part
As shown in fig. 2, in the first frame part, a first regular hexagonal mirror 1-5 is fixed on two first cross bars 1-2 through first longitudinal bars 1-3, two ends of each first cross bar are respectively and symmetrically provided with a first rotary fixing mechanism 1-1 through hinges for unfolding the frame, and a first telescopic motor 1-4 is used for fixing the unfolded frame;
as shown in fig. 3 and 4, the first rotation fixing mechanism includes: the device comprises a first pin 1-1-1, a first torsion spring 1-1-2, a telescopic spring 1-1-3, a telescopic rod 1-1-4, a sliding pin 1-1-5, a first connecting block 1-1-9, a second pin 1-1-7, a second torsion spring 1-1-8, a second connecting block 1-1-6, a first rod 1-1-10 and a second rod 1-1-11; wherein:
the first connecting block is fixedly connected with one end of the first rod, the second connecting block with a hook at the top end is fixedly connected with one end of the second rod, and the first connecting block is hinged with the second connecting block through a second pin shaft; still be equipped with buckle structure between first connecting block and the second connecting block, in this buckle structure: the top ends of the two telescopic rods are swingably hinged on the first connecting block through a first pin shaft and are positioned at two sides of the hook; each telescopic rod consists of two rod pieces which are different in size and are sleeved, and telescopic springs are sleeved outside the telescopic rods in a penetrating way; the telescopic rod is also pressed by a second torsion spring (the second torsion spring is sleeved on the second pin shaft in a penetrating way) and has potential energy swinging towards the direction of the hook. The bottom ends of the two telescopic rods are transversely fixed with a sliding pin which enters or exits the hook along with the swinging of the telescopic rods.
The axes of the second pin shaft, the first pin shaft and the sliding pin are parallel to each other and are vertical to the length directions of the first rod and the second rod.
As shown in fig. 4, the second torsion spring is installed at the second pin for providing a torsion force to rotate the first and second connection blocks, so that the first and second rods connected to the first and second connection blocks finally form the state of fig. 18;
as shown in fig. 4 and 6, the hinge hole on the second connecting block is used for matching with the second pin of the round bar; the waist round hole on the second connecting block is used for being matched with the sliding pin;
as shown in fig. 4, one end of the second rod is fixed to the second connecting block, and the other end of the second rod is fixed to a motor shaft of the second rotating motor (one second rotating motor is fixed to each of the hinge blocks at four corners of the box-shaped portion in the middle), and the second rotating motor is used for driving the second rod.
As shown in fig. 4, one end of each first rod is fixed on the first connecting block, and the other end of each first rod is hinged to the first cross rod (two ends of each first cross rod are respectively hinged to one first rod);
as shown in fig. 2, the first telescopic motor is mounted on the second rod hinged to the left end of the first rod or the second rod hinged to the right end of the first rod, and a motor shaft of the first telescopic motor is matched with a lock hole in the first rod, so that the unfolded rear frame can be fixed. It can be seen in the figure that: first flexible motor is fixed on the second pole, and the motor shaft of first flexible motor can be followed and is stretched out in the round hole of second pole, inserts the lockhole on the first horizontal pole just when the frame expandes (the axle of first flexible motor can stretch into the round hole department of first horizontal pole, and the motor shaft that utilizes flexible motor is with first horizontal pole and second pole card insert fixedly).
As shown in fig. 7, two ends of the first longitudinal bar are used for connecting and fixing a first transverse bar, and the middle recessed part is used for connecting and fixing a first regular hexagonal mirror surface; the length of the concave part in the middle of the first longitudinal rod is slightly larger than the diameter of the inscribed circle of the first regular hexagon mirror surface.
Two, middle box-shaped parts
As shown in FIGS. 8 and 9, the middle box-shaped portion includes a support base plate 2-6, a second regular hexagonal mirror motion device 2-1 and a third regular hexagonal motion device 2-2 movably positioned on the support base plate.
As shown in fig. 8, the rectangular blocks 2-3 are used for supporting and fixing the second regular hexagonal mirror motion device; the rectangular blocks are fixed at the four corners of the supporting base plate; the rectangular blocks are four in total.
As shown in fig. 8, the hinge blocks 2-4 are eight in total, four of which are fixed at both ends of two long rod guide rails and the other four of which are fixed at four corners of the lower surface of the support base plate.
As shown in fig. 8, the second rotating electrical machines 2-5 are fixed to the hinge block; and a motor shaft of the second rotating motor is fixed with the other end of the second rod and is used for driving the second rod to swing around the hinge block. It can be seen in the figure that: and a second rotating motor is fixed on each hinge block, and eight second rotating motors are arranged in total.
As shown in fig. 8 and 10, the supporting base plate is used for mounting components; the support bottom plate is rectangular and is provided with two same grooves, and the grooves are used for avoiding the first rod and the second rod in the first frame part to prevent interference.
As shown in FIG. 11, the second regular hexagonal mirror movement device includes a rail pair consisting of a long rod rail 2-1-3 and a rail block 2-1-4, and a second regular hexagonal mirror 2-1-1 horizontally movably positioned on a support base plate by the rail pair connecting the support rods 2-1-2.
As can be seen in fig. 11: the second regular hexagonal mirror surface is fixed on the two support rods, and two ends of each support rod are respectively fixed on a guide rail block; one support rod is connected with the side edge of the second regular hexagon mirror surface, and the distance between the other support rod and the first support rod is slightly smaller than the radius of the regular hexagon inscribed circle.
As shown in fig. 11 and 12, two long rod guide rails are provided, and two ends of each long rod guide rail are respectively fixed on the support base plate through rectangular blocks; the long rod guide rail is provided with a groove with a convex cross section, and the groove is matched with a guide rail block with a convex cross section; and a first driving motor 2-1-5 arranged on the supporting rod drives the guide rail block (the gear on the motor shaft is meshed with a third rack 2-1-31 on the long rod guide rail to realize driving), so that the guide rail block slides along the groove of the long rod guide rail, and the movement of the second regular hexagonal mirror surface is realized. The figure shows that: there are 2 first drive motors.
As shown in fig. 13, 14 and 15, the third regular hexagonal moving device includes two guide groove rods 2-2-4 (for guiding the movement of the cylindrical rods 2-2-3) fixed on the support base plate and arranged in parallel with each other, a cylindrical rod 2-2-3 inserted into a sliding groove of the guide groove rod and capable of sliding along the sliding groove, and a third regular hexagonal mirror surface 2-2-1 connected and fixed with the cylindrical rod through a fixed rectangular block 2-2-2;
as shown in fig. 13 and 14, the third regular hexagonal mirror surface is fixed at both ends of the cylindrical rod by fixed rectangular blocks, respectively; the number of the fixed rectangular blocks is four, and the number of the matched cylindrical rods is four; the diameter of the cylindrical rod is slightly smaller than the width of the guide groove at the guide groove rod, and the cylindrical rod can be embedded into the guide groove along the guide groove rod and slide along the guide groove rod, so that the guide groove rod can guide the movement of the cylindrical rod. The second driving motor 2-2-5 is fixed on the fixed rectangular block and used for driving the cylindrical rod to slide along the guide groove of the guide groove rod; a first rack 2-2-6 is fixed on the guide groove rod, and a gear meshed with the first rack is arranged on a motor shaft of the second driving motor, so that the third regular hexagonal mirror surface is driven; the number of the second driving motors is 4.
Preferably, the distance between the two guide groove rods is equal to the radius of the inscribed circle of the regular hexagon.
Third, second frame part
As shown in fig. 16, in the second frame portion, a fourth regular hexagonal mirror surface 3-1 is positioned on two second transverse rods 3-2 through two second longitudinal rods 3-3, and two ends of each second transverse rod are respectively and symmetrically hinged with a second rotation fixing mechanism to realize the unfolding of the frame; the second telescopic motor 3-4 is used for fixing the unfolded frame; an upper sliding rail 3-5 is fixed on the second longitudinal rod, and a lower sliding rail 3-6 in sliding fit with the upper sliding rail is fixedly connected with the fourth regular hexagonal mirror surface; and a third driving motor fixed on the upper sliding rail drives the lower sliding rail to slide along the upper sliding rail, and a second rack 3-9 matched with the upper sliding rail is fixed on the lower sliding rail.
As shown in fig. 16, the second rotational securing mechanism is substantially identical to the first rotational securing mechanism, the second crossbar is identical to the first crossbar, and the second crossbar is identical to the first crossbar; the second telescopic motor has the same structure as the first telescopic motor, and the arrangement mode and the working principle are also the same.
As shown in fig. 16, the upper sliding rails are two in total and fixed on the second vertical rod at a certain distance; a third driving motor 3-8 is fixed on the upper sliding rail, and a gear is arranged on a motor shaft of the third driving motor; the second rack is fixed on the lower sliding rail and is used for being meshed with a gear on a third driving motor shaft; the motor shaft rotates to drive the upper sliding rail to slide along the groove of the lower sliding rail; the number of the third driving motors is 2.
As shown in fig. 17, a groove is formed on one side of the back surface of the fourth regular hexagonal mirror surface 3-7 to make room for the subsequent matching;
the operation of the first rotation fixing mechanism (fig. 18 to 22) is as follows:
1. as shown in fig. 18 and 19, in the initial state, the first torsion spring makes the sliding pin abut against the outer side of the hook of the second connecting block under the action of the torsion force, and the second rotating motor drives the second rod and the first rod to rotate around the second pin shaft.
2. As shown in fig. 20 and 21, the second rod continues to rotate, the sliding pin contacts the arc-shaped curved surface outside the hook of the first connecting block and slides downwards along the arc-shaped curved surface, and the two ends of the sliding pin simultaneously slide along the kidney-shaped groove of the second connecting block;
3. as shown in fig. 21 and 22, the second rod continues to rotate, the telescopic rod drives the sliding pin to reach the end of the arc-shaped curved surface of the first connecting block, then the sliding pin slides into the hook of the first connecting block, the sliding pin moves to the inner side of the hook under the torsion of the first torsion spring 1-1-2, and the second rod and the first rod are finally aligned.
The working process of the middle box-shaped part (figures 23-26) is as follows:
1. as shown in fig. 23 to 24, the first driving motor is started to drive the gear on the motor shaft to rotate and to be engaged with the third rack on the long rod guide rail, so as to drive the support rod to slide, and the second regular hexagonal mirror surface movement device is moved to the working position;
2. as shown in fig. 25, the second driving motor is started to drive the gear on the motor shaft to rotate and engage with the first rack, so that the cylindrical rod slides along the guide groove of the guide groove rod from the lower position to the upper position, and the third regular hexagonal mirror surface movement device moves from the lower position to the upper position;
3. as shown in FIG. 26, the third regular hexagonal mirror movement means continues to move forward by the second driving motor, eventually reaching the working position where the middle box-shaped portion reaches the working position.
The whole device working process (fig. 27-34) is as follows:
1. as shown in fig. 27, 28 and 29, the whole device is unfolded under the operation of the first rotary fixing mechanism and the second rotary fixing mechanism; after the expansion, a motor shaft of the first telescopic motor is inserted into a lock hole of the first cross rod, so that the device is locked;
2. as shown in fig. 30 and 31, the second and third regular hexagonal mirror motion devices of the middle box-shaped portion move to unfold the second and third regular hexagonal mirror surfaces;
3. as shown in fig. 32 and 16, the third driving motor rotates to drive the motor shaft upper gear to mesh with the second rack, so as to drive the upper slide rail to slide along the lower slide rail, and finally, the fourth regular hexagonal mirror surface slides forwards for a certain distance;
4. as shown in fig. 32 and 33, the motor shaft of the second rotating motor fixed to the hinge block drives the second rod to rotate, so that the first rotating and fixing mechanism and the second rotating and fixing mechanism are deformed to reach the state shown in fig. 33;
5. as shown in fig. 33, the motor shaft of the first telescopic motor is inserted into the lock hole of the first cross bar, and at this time, the motor shaft is also in the round hole of the second bar, thereby realizing the fixation of the first frame part and the middle box-shaped part; the motor shaft of the second telescopic motor is inserted into a lock hole of a second cross rod in the second rotary fixing mechanism, and the motor shaft is also in a round hole of a second rod of the second rotary fixing mechanism at the moment, so that the second frame part and the middle box part are fixed;
6. the third driving motor rotates to drive the gear on the shaft to be meshed with the second rack, so that the upper sliding rail is driven to slide along the lower sliding rail, the fourth regular hexagonal mirror surface slides to the initial position, and finally the four mirror surfaces are spliced.
Claims (10)
1. The utility model provides a collapsible concatenation optics supporting mechanism in space which characterized in that: the supporting mechanism comprises a first frame part (1) for supporting the first regular hexagonal mirror surface, a middle box-shaped part (2) for moving the second regular hexagonal mirror surface and the third regular hexagonal mirror surface and a second frame part (3) for supporting the fourth regular hexagonal mirror surface, which are connected in sequence;
the first frame part comprises first regular hexagon mirror surfaces (1-5) fixed on two first cross rods (1-2) through first longitudinal rods (1-3), two first rotary fixing mechanisms (1-1) used for unfolding the frame are symmetrically hinged to two ends of each first cross rod, and first telescopic motors (1-4) used for fixing the unfolded frame are hinged to two ends of each first cross rod;
each first rotary fixing mechanism comprises a first connecting block (1-1-9) and a second connecting block (1-1-6) which are hinged through a second pin shaft (1-1-7), the first connecting block is fixedly connected with one end of a first rod (1-1-10), the top end of the second connecting block is provided with a hook and is fixedly connected with one end of a second rod (1-1-11), the second rotary motor (2-5) is fixed on a supporting bottom plate (2-6) of a middle box-shaped part, and a motor shaft is fixedly connected with the other end of the second rod to realize driving, and a buckle manufactured in the first rotary fixing mechanism;
the middle box-shaped part comprises a supporting bottom plate (2-6), a second regular hexagonal mirror surface movement device (2-1) and a third regular hexagonal movement device (2-2) which are positioned on the supporting bottom plate;
the second regular hexagonal mirror motion device comprises a second regular hexagonal mirror (2-1-1) which can be horizontally movably positioned on the supporting bottom plate through a guide rail pair consisting of a guide rail block (2-1-4) and a long rod guide rail (2-1-3); the second regular hexagonal mirror surface is fixed on two support rods (2-1-2), two ends of each support rod are respectively fixed on a guide rail block, two long rod guide rails matched with the guide rail blocks are respectively fixed on two side edges of the support bottom plate, and the guide rail blocks are driven by a first driving motor (2-1-5) to slide along the length direction of the long rod guide rails;
the third regular hexagon movement device comprises two guide groove rods (2-2-4) which are fixed on the support bottom plate and are arranged in parallel, a cylindrical rod (2-2-3) of which one end is inserted into a sliding groove on the guide groove rods and can be positioned in the sliding groove in a sliding way, a third regular hexagon mirror surface (2-2-1) which is connected with the other end of the cylindrical rod through a fixed rectangular block (2-2-2), and a second driving motor (2-2-5) which drives the cylindrical rod to slide along the sliding groove, wherein the driving force is generated by the meshing of a gear on a motor shaft of the third driving motor (3-8) and a first rack (2-2-6) on the guide groove rods;
the second frame part comprises a fourth regular hexagon mirror surface (3-7) positioned on two second cross rods (3-1) through second longitudinal rods (3-3), two second rotary fixing mechanisms for unfolding the frame and second telescopic motors (3-4) for fixing the unfolded frame are symmetrically hinged to two ends of each second cross rod (3-2); an upper slide rail (3-5) is fixed on the second longitudinal rod, a lower slide rail (3-6) which is in sliding fit with the upper slide rail is fixedly connected with the fourth regular hexagon mirror surface, a third driving motor fixed on the upper slide rail drives the lower slide rail to slide along the upper slide rail, and driving force is generated by the engagement of a gear on a motor shaft of the third driving motor and a second rack (3-9) fixed on the lower slide rail;
the second rotary fixing mechanism is the same in structure as the first rotary fixing mechanism and is arranged symmetrically to the support bottom plate with the first rotary fixing mechanism.
2. The spatially-foldable-splice optical support mechanism of claim 1, wherein: two ends of each first cross rod are symmetrically hinged with first rods of the first rotary fixing mechanism; the first telescopic motor is installed on the second rod, and a motor shaft of the first telescopic motor penetrates through a through hole in the second rod and then is inserted into a lock hole in the first cross rod to be locked.
3. The spatially-foldable-splice optical support mechanism of claim 2, wherein: the guide rail block can be slidably positioned in a groove of the long rod guide rail, a third rack (2-1-31) arranged along the length direction is manufactured on the long rod guide rail, and a gear matched with the third rack is arranged on a motor fixed on the support rod; so as to drive the supporting rod to slide along the groove.
4. The spatially-foldable-splice optical support mechanism of claim 3, wherein: the buckle comprises two telescopic rods (1-1-4) with top ends swingably hinged in the second connecting blocks (1-1-6) through first pin shafts (1-1-1) and provided with telescopic springs (1-1-3), sliding pins (1-1-5) fixed at the bottom ends of the two telescopic rods and capable of entering or exiting the hook under the driving of the telescopic rods, and first torsion springs (1-1-2) for applying force to the telescopic rods to enable the sliding pins to be embedded in the hook.
5. The spatially-foldable-splice optical support mechanism of claim 4, wherein: the middle box-shaped part is fixedly connected with a second rod of the first rotary fixing mechanism through output shafts of second rotary motors distributed at four corners of the upper surface of the supporting bottom plate respectively and realizes driving; the axis of the output shaft of the second rotating motor is parallel to the axis of the second pin shaft.
6. The spatially-foldable-splice optical support mechanism of claim 5, wherein: and the middle box-shaped part is fixedly connected with a second rod of the second rotary fixing mechanism through output shafts of second rotary motors distributed at four corners of the lower surface of the supporting bottom plate respectively and realizes driving.
7. The spatially-foldable-splice optical support mechanism of claim 6, wherein: the support base plate is rectangular and is provided with two grooves for preventing the first rod and the second rod in the second frame part from moving and interfering.
8. The spatially-foldable-splice optical support mechanism of claim 7, wherein: a second telescopic motor in the second rotary fixing mechanism is arranged in the same way as the first telescopic motor in the working principle; the second cross bar has the same structure as the first cross bar; the two longitudinal rods have the same structure as the first longitudinal rod; the second telescopic motor is the same as the first telescopic motor in structure.
9. The spatially-foldable-splice optical support mechanism of claim 8, wherein: the axes of the second pin shaft, the first pin shaft and the sliding pin are parallel to each other and are vertical to the length directions of the first rod and the second rod; the two ends of the sliding pin extend outwards respectively and are inserted into the grooves of the second rod.
10. The spatially-foldable-splice optical support mechanism of claim 9, wherein: the distance between the two guide groove rods is equal to the radius of the inscribed circle of the regular hexagon; one side of the back surface of the fourth regular hexagonal mirror surface is provided with a groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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