CN105644811B - A kind of single power source single-point locks three-level wing synchronous unfolding device - Google Patents
A kind of single power source single-point locks three-level wing synchronous unfolding device Download PDFInfo
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- CN105644811B CN105644811B CN201610185733.6A CN201610185733A CN105644811B CN 105644811 B CN105644811 B CN 105644811B CN 201610185733 A CN201610185733 A CN 201610185733A CN 105644811 B CN105644811 B CN 105644811B
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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
- B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
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Abstract
Three-level wing synchronous unfolding device is locked the invention discloses a kind of single power source single-point, belongs to space mechanism's technical field.It includes base assembly, one-level bar assembly, two grades of bar assemblies, three-level stroke amplifier module, Synchronization Component and locked component, one-level bar assembly is hinged with base assembly and two grades of bar assemblies simultaneously, two grades of bar assemblies are inlaid in folded state in one-level bar assembly, three-level stroke amplifier module is hinged with two grades of bar assemblies, Synchronization Component is hinged with base assembly and two grades of bar assemblies respectively, also it is hinged simultaneously with one-level bar assembly and three-level stroke amplifier module, locked component is arranged on the position that base assembly is connected with Synchronization Component, the locking for the state of ending.Apparatus of the present invention rely solely on the ingenious connection of mechanical structure, using only single power source and single-point locked component, you can realize the small space folding storage for being demonstrated thing, and the displaying of Space Autonomous three-level synchronous expansion, expansion and locking are reliable, and mechanism kinematic track is controllable.
Description
Technical field
The invention belongs to space mechanism's technical field, it is related to space exploration equipment mechanism, particularly folds and install and unlock
The three-level link gear of expansion.
Background technology
Spacecraft expansion locking mechanism is to realize spacecraft main structure, secondary structure or a certain part by initial bit
Put or metamorphosis to final position or form and keeps the mechanism of the state.It is accompanied by satellite and space probe
Birth, development, maturation, and the field of mechanisms progressively grown up from simple to complex.
The satellite of early stage by spin power expansion flagpole antenna, expansion solar wing occur after, collapsible development mechanism into
For using development mechanism the most typical till now, the appearance of gravity gradient stabilized satellite has promoted telescopic expansion always
The development of mechanism and light truss formula development mechanism.
With incrementally increasing for spacecraft volume weight, truss-like development mechanism, inflatable development mechanism are progressively generated
Etc..Development mechanism progressively turned into be related in spacecraft field of mechanisms face most extensively, species is most complicated, function is most
One field of sample.
But, certain shortcoming, or mechanism reliability is individually present in truss-like development mechanism and inflatable development mechanism
Not high or expansion and to lock unreliable or expansive space limited and can not meet the expansion of multistage large area.Therefore, need
Developing a kind of can realize that the small space folding storage for being demonstrated thing, the displaying of multistage synchronous expansion, expansion and locking be reliable, machine
The controllable expanding unit of structure movement locus.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, three-level is locked the invention provides a kind of single power source single-point
Wing synchronous unfolding device, it uses Synchronization Component that one-level bar assembly, two grades of bar assemblies, three-level stroke amplifier modules are carried out into ingenious company
Connect, to carry out three-level synchronous expansion simultaneously, and with the locking of locked component progress end of a period state, expanding unit of the present invention can be real
The small space folding storage of thing is now demonstrated, in the displaying of Space Autonomous three-level synchronous expansion, and mechanism deploying and locking are reliable,
Mechanism kinematic track is controllable, and mechanism reliability is high, and apparatus of the present invention can be used for the space exhibition of the patterns such as national flag, organization identification
Show the folding and expansion with the part such as antenna.
To achieve the above object, three-level wing synchronous unfolding device is locked the invention provides a kind of single power source single-point, it is special
Levy and be, it includes base assembly, one-level bar assembly, two grades of bar assemblies, three-level stroke amplifier module, Synchronization Component and locking
Component,
The one-level bar assembly is hinged with the base assembly, and the base assembly is used to connect, support and offer exhibition
Start power,
The one-level bar assembly is hinged with two grades of bar assemblies, and two grades of bar assemblies are inlaid in folded state
In the one-level bar assembly, the one-level bar assembly and two grades of bar assemblies are used to obtain larger spacial flex after deploying,
The three-level stroke amplifier module is hinged with two grades of bar assemblies, and the three-level stroke amplifier module is used to obtain after deploying
Further spacial flex is obtained,
The Synchronization Component is hinged with base assembly and two grades of bar assemblies respectively, also simultaneously with one-level bar assembly and three-level row
Journey amplifier module is hinged, for the synchronous expansion of three-level stroke amplifier module, one-level bar assembly and two grades of bar assemblies,
The locked component is arranged on the position that base assembly is connected with Synchronization Component, the locking for the state of ending.
Further, the base assembly mainly includes pedestal, one-level bearing pin, one-level bearing pin end cap and power torsion spring,
Pedestal is used to be connected with carrier, while as one-level bar assembly and the articulated frame of Synchronization Component, setting on pedestal
Have and be additionally provided with positive stop lug boss on the mounting hole for installing locked component, pedestal to provide the limit that ends to the motion of package unit
Position,
The through hole for installing one-level bearing pin is provided with pedestal, one-level bearing pin is that one end carries ring flange, other end band
There is square boss, one-level bearing pin passes through the through hole for being used to install one-level bearing pin of pedestal, and one end is fixed by ring flange with pedestal,
The other end is fixedly connected with the base by bearing pin end cap,
One-level bearing pin end cap is provided with square inner bore, and the square boss of the square inner bore and the other end of one-level bearing pin coordinates
Install,
Power torsion spring is set on one-level bearing pin, and is located between ring flange and one-level bearing pin end cap, the power torsion spring
To place side by side double torsion spring, for providing moment of torsion to whole device.
Further, the one-level bar assembly includes one-level bar, sealing ring, two grades of bearing pins, two grades of bearing pin end caps and prevented
Turn fork,
One-level bar is U-shaped section rod member, and two ends are provided with through hole, and one end through hole coordinates with one-level bearing pin realizes one-level bar
Component and pedestal are hinged, and other end through hole is used to install two grades of bearing pins, anti-rotation pitches the bar portion centre for being arranged on one-level bar,
Sealing ring is installed on one-level bar cell type area peripheral edge, for the sealing in cell type region,
Two grades of bearing pins are that one end carries ring flange, and the other end carries square boss, and two grades of bearing pins pass through the through hole of one-level bar,
One end is fixed by ring flange with one-level bar, and the other end is coordinated by square boss with two grades of bearing pin end cap square inner bores,
Two grades of bearing pin end caps are connected so that one-level bar, two grades of bearing pins and two grades of bearing pin end caps are fixed with one with one-level bar.
Further, two grades of bar assemblies include two grades of bars, winder unit and guide type shoe,
Two grades of bars are U-shaped section rod member, and its sectional dimension is less than one-level bar that can be embedded in the U-lag of one-level bar,
Two grades of bar one end are provided with through hole, and the through hole and two grades of bearing pins coordinate to realize that two grades of bar assemblies are cut with scissors with one-level bar
Connect,
Two grades of bar tops are provided with cell type region, and its cell type region set with one-level bar cooperatively forms closed area, uses
Thing and three-level stroke amplifier module are demonstrated in protection,
Winder unit includes spool, bearing, bearing block and end ring, and the spool is Step Shaft, and one end is provided with flat
Mouthful, the flat mouth set on spool is pitched with anti-rotation to be coordinated, for preventing spool from turning round, and bearing is used to provide branch to the revolution of spool
Support, bearing block and end ring are used for the axially position of bearing,
Guide type shoe is arranged on two grades of bar side walls, for being oriented to stroke amplifier module.
Further, the three-level stroke amplifier module includes pull bar, support bar, hinging pin shaft, pivoting support, fix bar
And sliding bar,
Pull bar is arranged on two grades of bars, and its displacement for being used as three-level stroke amplifier module is inputted,
Support bar has many, and many support bars are built on the parallelogram of multiple interconnections, every support bar
It is equidistant to offer three hinge holes, use hinging pin shaft that support bar is hinged as entirety,
Pivoting support is used for being hinged for three-level stroke amplifier module and two grades of bars,
Fix bar is hinged with support bar, and sliding bar is provided with fix bar, and sliding bar is used to adapt to parallelogram sturcutre
The slip of terminal hinge point, fix bar is used for the connection for being demonstrated thing.
Further, the Synchronization Component includes a secondary synchronization bar, two three-level synchronizing bars and synchronous pin,
The one secondary synchronization bar is elongate rod structure, and two ends are provided with through hole, two ends respectively by synchronous pin respectively with
Pedestal and two grades of bars are hinged, in this way, are hinged a secondary synchronization bar, pedestal, one-level bar and two grades of bars for parallel four side
Shape, the parallelogram deploys under the moment of torsion effect of power torsion spring, to realize the synchronization of one-level bar assembly and two grades of bar assemblies
Expansion,
Two three-level synchronizing bars are also elongate rod structure, and two ends are provided with through hole, and the two ends are hinged with one-level bar and pull bar respectively,
To realize the synchronous expansion of three-level stroke amplifier module and one-level bar assembly, two grades of bar assemblies,
Lock hole is provided with the one secondary synchronization bar, for realizing that mechanism is locked with locked component cooperation.
Further, the locked component includes compression spring and locking step guide finger,
Compression spring is located in the blind hole on pedestal, and locking step guide finger is located at outside the blind hole on pedestal,
In expansion motion process, locking step guide finger is spacing by a secondary synchronization rod end surface, in retracted state,
When expansion moves to ultimate position, the positioning hole opened up on a secondary synchronization bar and locking step guide finger pair
Standard, locking step guide finger is stretched out under compression spring effect, and the lock hole of locking step guide finger and a secondary synchronization bar is matched somebody with somebody
The locking for realizing a secondary synchronization bar is closed,
Compression spring is in compressive state, and power is provided for the axial movement for locking step guide finger.
In general, by the contemplated above technical scheme of the present invention compared with prior art, it can obtain down and show
Beneficial effect：
The synchronous exhibiting device of single power source single-point locking three-level, after expansion motion starts, only under the driving of power torsion spring,
Acted on by the series winding of Synchronization Component, make one-level bar assembly, two grades of bar assemblies and three-level stroke amplifier module synchronous expansion, relied on
Single-point locked component realizes the integral locking of expansion ultimate position, and device expansion and locking are reliable, and expansion movement locus is controllable, can
It is high by property.In addition, one-level bar and two grades of bar sections are U-shaped, while abundance is provided using space to be demonstrated thing, reduce machine
Structure profile envelope, has positive effect to the small light requirement for meeting space exploration equipment.
Brief description of the drawings
Fig. 1 is general structure schematic diagram of the expanding unit of the embodiment of the present invention in deployed condition；
Fig. 2 is the structural representation of base assembly of the embodiment of the present invention；
Fig. 3 is one-level bar assembly structural representation of the embodiment of the present invention；
Fig. 4 is two grades of bar assembly structural representations of the embodiment of the present invention；
Fig. 5 is three-level stroke amplifier module structural representation of the embodiment of the present invention；
Fig. 6 is Synchronization Component structural representation of the embodiment of the present invention；
Fig. 7 is the unblock of locked component of the embodiment of the present invention and lock-out state structural representation；
Fig. 8 is expanding unit impaction state structural representation of the embodiment of the present invention；
Fig. 9 is that expanding unit of the embodiment of the present invention deploys change in process schematic diagram.
In all of the figs, identical reference represents identical element or structure from beginning to end, wherein：
1- base assembly 2- one-level bar assemblies bis- grades of bar assemblies of 3-
4- three-level stroke amplifier module 5- Synchronization Component 6- locked components
1a- pedestal 1b- one-level bearing pin 1c- one-level bearing pin end caps
1d- power torsion springs
2a- one-level bar 2b- sealing rings bis- grades of bearing pins of 2c-
Bis- grades of bearing pin end cap 2e- anti-rotations forks of 2d-
Bis- grades of bar 3b- winder unit 3c- guide type shoes of 3a-
3ba- spool 3bd- end ring 3bc- bearing blocks
4a- pull bar 4b- support bar 4c- hinging pin shafts
4d- pivoting support 4e- fix bar 4f- sliding bars
The three-level synchronizing bar 5c- of mono- secondary synchronization bar 5b- of 5a- bis- synchronization pins
6a- compression springs 6b- locks step guide finger
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Not constituting conflict each other can just be mutually combined.
Fig. 1 be expanding unit of the embodiment of the present invention in the general structure schematic diagram of deployed condition, as seen from the figure, it includes base
Holder assembly 1, one-level bar assembly 2, two grades of bar assemblies 3, three-level stroke amplifier module 4, Synchronization Component 5 and locked component 6.
As shown in Fig. 2 base assembly 1 mainly includes pedestal 1a, one-level bearing pin 1b, one-level bearing pin end cap 1c and power torsion spring
1d；Pedestal 1a is the connector of the expanding unit and carrier, while being the articulated frame of one-level bar assembly 2 and Synchronization Component 5, together
When also for locked component 6 provide installing space, and provide package unit motion end of a period it is spacing.Pedestal 1a is provided with one-level bearing pin
1b, one-level bearing pin end cap 1c set the mounting hole that locked component 6 is provided with required through hole and screwed hole, pedestal 1a, are provided with
The positive stop lug boss that device motion ends.One-level bearing pin 1b is that one end carries ring flange, and the other end carries the axle class zero of square boss
Part, one-level bearing pin 1b passes through pedestal 1a through hole, and one end fixed by ring flange with pedestal 1a, the other end by square boss and
Square opening coordinates in one-level bearing pin end cap 1c；After one-level bearing pin end cap 1c and pedestal 1a is connected, it can be ensured that pedestal 1a, one-level bearing pin
1b and one-level bearing pin end cap 1c are fixed with one；Power torsion spring 1d is the unique power source of the mechanism, to place side by side double torsion spring, is
The motion of sleeve mechanism provides moment of torsion.
As shown in figure 3, one-level bar assembly 2 includes one-level bar 2a, sealing ring 2b, two grades of bearing pin 2c, two grades of bearing pin end cap 2d
And anti-rotation fork 2e.One-level bar 2a is U-shaped section rod member, and two ends are provided with through hole, and one end through hole coordinates with one-level bearing pin 1b
Being hinged for one-level bar assembly 2 and pedestal 1a is realized, other end through hole is used to install two grades of bearing pin 2c and two grades of bearing pin end cap 2d；One
Cell type region is set in the middle part of level bar 2a, the cell type region set with two grades of bar assemblies 3 cooperatively forms closed area, for protecting quilt
Display material and three-level stroke amplifier module 4.Sealing ring 2b is installed on one-level bar 2a cell type area peripheral edges, for the close of cell type region
Envelope.Two grades of bearing pin 2c are similar with one-level bearing pin 1b, and two grades of bearing pin 2c are that one end carries ring flange, and the other end carries square boss
Axial workpiece, two grades of bearing pin 2c pass through one-level bar 2a through hole, and one end is fixed by ring flange with one-level bar 2a, and the other end passes through
Square boss coordinates with square opening in two grades of bearing pin end cap 2d；After two grades of bearing pin end cap 2d and one-level bar 2a is connected, it can be ensured that one
Level bar 2a, two grades of bearing pin 2c and two grades of bearing pin end cap 2d are fixed with one.
As shown in figure 4, two grades of bar assemblies 3 include two grades of bar 3a, winder unit 3b and guide type shoe 3c；Two grades of bar 3a are U
Tee section rod member, its sectional dimension is more smaller than one-level bar 2a, to ensure that two grades of bar 3a can be embedded in one-level bar 2a U-lag；Two
Level bar 3a one end is provided with through hole, and being hinged for two grades of bar assemblies 3 and one-level bar 2a is realized in through hole and two grades of bearing pin 2c cooperations；Two grades
Bar 3a tops set cell type region, cooperatively form closed area with the one-level bar 2a cell type regions set, are demonstrated for protecting
Thing and three-level stroke amplifier module 4.Winder unit 3b includes spool 3ba, bearing, bearing block 3bc and end ring 3bd.Spool
3ba is Step Shaft, and lower end sets flat mouth, and thing is demonstrated for winding；After two grades of bar 3a are nested with one-level bar 2a, spool 3ba
The flat mouth of upper setting coordinates with anti-rotation fork 2e, prevents spool 3ba from turning round；Bearing provides support, bearing block for spool 3ba revolutions
3bc and end ring 3bd is used for the axially position of bearing.Guide type shoe 3c is arranged on two grades of bar 3a sides walls, is put for stroke
Big component 4 is oriented to；
As shown in figure 5, three-level stroke amplifier module 4 include pull bar 4a, support bar 4b, hinging pin shaft 4c, pivoting support 4d,
Fix bar 4e and sliding bar 4f；Three-level stroke amplifier module 4 uses parallelogramming deflection principle, and displacement input is amplified at double
Output；Pull bar 4a is the displacement input element of three-level stroke amplifier module 4；Support bar 4b is the weight for building parallelogram component
Want on element, support bar 4b, neutralize under it is equidistant offer three hinge holes, be hinged for support bar 4b；Hinging pin shaft
4c is used for being hinged for support bar 4b；Pivoting support 4d is used for being hinged for three-level stroke amplifier module 4 and two grades of bar 3a；Fix bar 4e
For being demonstrated the connection of thing, providing sliding bar 4f installing space, it is hinged with support bar 4b；Sliding bar 4f is used to adapt to parallel
The slip of quadrilateral structure terminal hinge point.
As shown in fig. 6, Synchronization Component 5 includes two a secondary synchronization bar 5a, a two three-level synchronizing bar 5b and synchronous pin
Follow closely 5c；One secondary synchronization bar 5a is elongate rod structure, and two ends are provided with through hole, two ends by synchronous pin 5c respectively with pedestal 1a
It is hinged with two grades of bar 3a, so, a secondary synchronization bar 5a, pedestal 1a, one-level bar 2a and two grades of bar 3a are hinged as parallel four side
Shape structure, the parallelogram sturcutre deploys under power torsion spring 1d moment of torsion effect, realizes a level assembly 1 and two grades of bar assemblies
2 synchronous expansion；Meanwhile, lock hole is provided with a secondary synchronization bar 5a, lock hole and lock when mechanism kinematic to ultimate position
Determine the cooperation of component 6 and realize that mechanism is locked；Two three-level synchronizing bar 5b are similarly elongate rod structure, and two ends are provided with through hole, two ends difference
It is hinged with one-level bar 2a and pull bar 4a, realizes the synchronous expansion of three-level stroke amplifier module 4 and I and II.
As shown in fig. 7, locked component 6 is used for the locking of mechanism end of a period state, mechanism stable is set to be in expansion display state,
Avoid significantly shaking for a long time for mechanism kinematic latter stage.Locked component 6 includes compression spring 6a and locking step guide finger 6b.
Locked component 6 is arranged in pedestal 1a blind holes, including compression spring 6a, and locking step guide finger 6b is outside.In mechanism kinematic mistake
Cheng Zhong, locking step guide finger 6b is spacing by a secondary synchronization bar 5a end faces, in retracted state；When mechanism kinematic to end of a period
During position, the positioning hole opened up on a secondary synchronization bar 5a is aligned with locking step guide finger 6b, and locking step guide finger 6b exists
Compression spring 6a effects are lower to be stretched out, and a secondary synchronization is realized in locking step guide finger 6b and secondary synchronization bar 5a lock holes cooperation
Bar 5a locking, due to the synchronism that sleeve mechanism is moved, sleeve mechanism has locked out.It is step class to lock step guide finger 6b
Bearing pin, small end is provided with targeting part, and targeting part is used to locking step guide finger 6b and a secondary synchronization bar 5a lock holes
It is accurately aimed at, the shaft shoulder is used to ensure that locking step guide finger 6b is not fallen off；Compression spring 6a is chronically at compressive state, for locking
Step guide finger 6b axial movement provides power.
Fig. 8 is expanding unit impaction state structural representation of the embodiment of the present invention, and Fig. 9 is expanding unit of the embodiment of the present invention
Deploy change in process schematic diagram, the figure with reference to more than illustrates apparatus of the present invention operation principle, specific as follows：
The secondary synchronization bar 5a one end of one-level bar assembly 2 and one passes through one-level bearing pin 1b and synchronization pin 5c and pedestal 1a respectively
It is hinged, the other end is hinged by two grades of bearing pin 2c and synchronization pin 5c with two grades of bar assemblies 3 respectively, one-level bar assembly 2, one or two grades
Synchronizing bar 5a, bis- grades of composition parallel-crank mechanisms of bar assembly 3 of pedestal and 1a, it is real under single power torsion spring 1d moment of torsion effect
Now it is synchronized with the movement；Two three-level synchronizing bar 5b one end are hinged with one-level bar 2a, the pull bar 4a of the other end and three-level stroke amplifier module 4
It is hinged, realizes the synchronous expansion of three-level stroke amplifier module 4 and I and II；When displaying mechanism moves to display location, locking group
Part 6 locks sleeve mechanism, keeps display state.
Folding work principle is similar with principle of organizing work, and process is opposite.
Lock operation principle as follows：
Locked component 6 is arranged in pedestal 1a blind holes, including compression spring 6a, and locking step guide finger 6b is outside.In machine
In structure motion process, locking step guide finger 6b is spacing by a secondary synchronization bar 5a end faces, in retracted state；When mechanism fortune
When moving to ultimate position, the positioning hole opened up on a secondary synchronization bar 5a is aligned with locking step guide finger 6b, and locking step is led
Stretched out to pin 6b under compression spring 6a effects, locking step guide finger 6b and secondary synchronization bar 5a lock holes cooperation realize one
Secondary synchronization bar 5a locking, due to the synchronism that sleeve mechanism is moved, sleeve mechanism has locked out.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (7)
1. a kind of single power source single-point locks three-level wing synchronous unfolding device, it is characterised in that it includes base assembly (1), one-level
Bar assembly (2), two grades of bar assemblies (3), three-level stroke amplifier module (4), Synchronization Component (5) and locked component (6),
The one-level bar assembly (2) is hinged with the base assembly (1), and the base assembly (1) is used to connect, support and carry
For expansion power,
The one-level bar assembly (2) is hinged with two grades of bar assemblies (3), and two grades of bar assemblies (3) are in folded state
It is inlaid in the one-level bar assembly (2), the one-level bar assembly (2) and two grades of bar assemblies (3) are used to obtain after deploying
Larger spacial flex,
The three-level stroke amplifier module (4) is hinged with two grades of bar assemblies (3), the three-level stroke amplifier module (4) be used for into
The expansion of one step,
The Synchronization Component (5) is hinged with base assembly (1) and two grades of bar assemblies (3) respectively, also simultaneously with one-level bar assembly (2)
It is hinged with three-level stroke amplifier module (4), for three-level stroke amplifier module (4), one-level bar assembly (2) and two grades of bar assemblies
(3) synchronous expansion,
The locked component (6) is arranged on the position that base assembly (1) is connected with Synchronization Component (5), for the state of ending
Locking.
2. a kind of single power source single-point locking three-level wing synchronous unfolding device as claimed in claim 1, it is characterised in that the base
Holder assembly (1) mainly includes pedestal (1a), one-level bearing pin (1b), one-level bearing pin end cap (1c) and power torsion spring (1d),
Pedestal (1a) is used to be connected with carrier, while being used as one-level bar assembly (2) and the articulated frame of Synchronization Component (5), pedestal
It is provided with (1a) on the mounting hole for installing locked component (6), pedestal (1a) and is additionally provided with positive stop lug boss to give the whole series dress
The motion offer end of a period put is spacing,
The through hole for installing one-level bearing pin (1b) is provided with pedestal (1a), one-level bearing pin (1b) is that one end carries ring flange,
The other end carries square boss, and one-level bearing pin (1b) passes through the through hole for being used to install one-level bearing pin (1b) of pedestal (1a), one end
Fixed by ring flange and pedestal (1a), the other end is connected by bearing pin end cap (1c) and pedestal (1a),
One-level bearing pin end cap (1c) is provided with square inner bore, the square boss of the square inner bore and the other end of one-level bearing pin (1b)
Coordinate and install,
Power torsion spring (1d) is set on one-level bearing pin (1b), and positioned between ring flange and one-level bearing pin end cap (1c), it is described
Power torsion spring (1d) is places side by side double torsion spring, for providing moment of torsion to whole device.
3. a kind of single power source single-point locking three-level wing synchronous unfolding device as claimed in claim 1 or 2, it is characterised in that institute
One-level bar assembly (2) is stated including one-level bar (2a), sealing ring (2b), two grades of bearing pins (2c), two grades of bearing pin end caps (2d) and is prevented
Turn fork (2e),
One-level bar (2a) is U-shaped section rod member, and two ends are provided with through hole, and one end through hole coordinates with one-level bearing pin (1b) realizes one
Level bar assembly (2) is hinged with pedestal (1a's), and other end through hole is used to install two grades of bearing pins (2c), and anti-rotation fork (2e) is arranged on one
The bar portion centre of level bar (2a),
Sealing ring (2b) is installed on one-level bar (2a) cell type area peripheral edge, for the sealing in cell type region,
Two grades of bearing pins (2c) are that one end carries ring flange, and the other end carries square boss, and two grades of bearing pins (2c) pass through one-level bar
The through hole of (2a), one end is fixed by ring flange and one-level bar (2a), and the other end passes through square boss and two grades of bearing pin end caps
(2d) square inner bore coordinates,
Two grades of bearing pin end caps (2d) are connected so that one-level bar (2a), two grades of bearing pins (2c) and two grades of bearing pin end caps with one-level bar (2a)
(2d) is fixed with one.
4. a kind of single power source single-point locking three-level wing synchronous unfolding device as claimed in claim 3, it is characterised in that described two
Level bar assembly (3) includes two grades of bars (3a), winder unit (3b) and guide type shoe (3c),
Two grades of bars (3a) are U-shaped section rod member, and its sectional dimension is less than one-level bar (2a) to be embedded in one-level bar (2a) U-lag
It is interior,
Two grades of bar (3a) one end are provided with through hole, and the through hole and two grades of bearing pins (2c) coordinate to realize two grades of bar assemblies (3) and one
Level bar (2a) is hinged,
Two grades of bar (3a) tops are provided with cell type region, and its cell type region set with one-level bar (2a) cooperatively forms enclosed area
Domain, thing and three-level stroke amplifier module (4) are demonstrated for protecting,
Winder unit (3b) includes spool (3ba), bearing, bearing block (3bc) and end ring (3bd), and the spool (3ba) is
Step Shaft, one end is provided with the flat mouth set on flat mouth, spool (3ba) and coordinated with anti-rotation fork (2e), for preventing spool (3ba)
Revolution, bearing is used to provide support to the revolution of spool (3ba), and bearing block (3bc) and end ring (3bd) are used for the axle of bearing
To positioning,
Guide type shoe (3c) is arranged on two grades of bar (3a) side walls, for being oriented to stroke amplifier module (4).
5. a kind of single power source single-point locking three-level wing synchronous unfolding device as claimed in claim 4, it is characterised in that described three
Level stroke amplifier module (4) includes pull bar (4a), support bar (4b), hinging pin shaft (4c), pivoting support (4d), fix bar (4e)
With sliding bar (4f),
Pull bar (4a) is arranged on two grades of bars (3a), and its displacement for being used as three-level stroke amplifier module (4) is inputted,
Support bar (4b) has many, and many support bars (4b) are built into the parallelogram of multiple interconnections, every support
It is equidistant on bar (4b) to offer three hinge holes, use hinging pin shaft (4c) that support bar (4b) is hinged as entirety,
Pivoting support (4d) is used for being hinged for three-level stroke amplifier module (4) and two grades bar (3a),
Fix bar (4e) is hinged with support bar (4b), and sliding bar (4f) is provided with fix bar (4e), and sliding bar (4f) is used to fit
The slip of parallelogram sturcutre terminal hinge point is answered, fix bar (4e) is used for the connection for being demonstrated thing.
6. a kind of single power source single-point locking three-level wing synchronous unfolding device as claimed in claim 5, it is characterised in that described same
Walking component (5) includes a secondary synchronization bar (5a), two three-level synchronizing bars (5b) and synchronous pin (5c),
The one secondary synchronization bar (5a) is elongate rod structure, and two ends are provided with through hole, and two ends pass through synchronous pin (5c) point respectively
It is not hinged with pedestal (1a) and two grades of bars (3a), in this way, makes a secondary synchronization bar (5a), pedestal (1a), one-level bar (2a)
Be hinged with two grades of bars (3a) as a parallelogram, the parallelogram power torsion spring (1d) the lower expansion of moment of torsion effect, with
The synchronous expansion of one-level bar assembly (1) and two grades of bar assemblies (2) is realized,
Two three-level synchronizing bars (5b) are also elongate rod structure, and two ends are provided with through hole, the two ends respectively with one-level bar (2a) and pull bar
(4a) is hinged, with realize three-level stroke amplifier module (4) and one-level bar assembly (2), two grades of bar assemblies (3) synchronous expansion,
Lock hole is provided with the one secondary synchronization bar (5a), for realizing that mechanism is locked with locked component (6) cooperation.
7. a kind of single power source single-point locking three-level wing synchronous unfolding device as claimed in claim 6, it is characterised in that the lock
Determining component (6) includes compression spring (6a) and locking step guide finger (6b),
Compression spring (6a) is located in the blind hole on pedestal (1a), and locking step guide finger (6b) is located at the blind hole on pedestal (1a)
Outside,
In expansion motion process, locking step guide finger (6b) is spacing by secondary synchronization bar (5a) end face, in retraction
State,
When expansion moves to ultimate position, the positioning hole opened up on a secondary synchronization bar (5a) and locking step guide finger (6b)
Alignment, locking step guide finger (6b) stretches out under compression spring (6a) effect, and locking step guide finger (6b) is same with one or two grades
The lock hole of step bar (5a) coordinates the locking for realizing a secondary synchronization bar (5a),
Compression spring (6a) is in compressive state, and power is provided for the axial movement for locking step guide finger (6b).
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| CN106129576B (en) * | 2016-08-11 | 2018-11-16 | 西安电子科技大学 | A kind of spaceborne Electrostatic deformation film reflector face deployable antenna sub-truss device |
| CN108109557A (en) * | 2017-12-20 | 2018-06-01 | 宁波凯福莱特种汽车有限公司 | Vehicle-mounted flag folding device |
Citations (3)
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|---|---|---|---|---|
| US5040748A (en) * | 1990-02-20 | 1991-08-20 | General Dynamics Corporation/Space Systems Division | Payload adapter ring |
| CN102102701A (en) * | 2009-12-18 | 2011-06-22 | 泰勒斯公司 | Device for the deployment and pointing of structure elements in a spatial environment |
| CN103625656A (en) * | 2013-12-24 | 2014-03-12 | 哈尔滨工业大学 | Small-size spacecraft butt-joint mechanism |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0683978B2 (en) * | 1988-12-09 | 1994-10-26 | 石川島播磨重工業株式会社 | Fixing device |
| JPH0763245A (en) * | 1993-08-27 | 1995-03-07 | Toshiba Corp | Holding releasing device |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5040748A (en) * | 1990-02-20 | 1991-08-20 | General Dynamics Corporation/Space Systems Division | Payload adapter ring |
| CN102102701A (en) * | 2009-12-18 | 2011-06-22 | 泰勒斯公司 | Device for the deployment and pointing of structure elements in a spatial environment |
| CN103625656A (en) * | 2013-12-24 | 2014-03-12 | 哈尔滨工业大学 | Small-size spacecraft butt-joint mechanism |
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