CN109606737A - A kind of locking release and driving rotating mechanism - Google Patents
A kind of locking release and driving rotating mechanism Download PDFInfo
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- CN109606737A CN109606737A CN201811640711.XA CN201811640711A CN109606737A CN 109606737 A CN109606737 A CN 109606737A CN 201811640711 A CN201811640711 A CN 201811640711A CN 109606737 A CN109606737 A CN 109606737A
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- driving
- latch segment
- load
- pedestal
- lockset
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Classifications
-
- 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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- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The present invention provides a kind of locking releases and driving rotating mechanism, including pedestal, lockset, driving device and load；Pedestal is suitable for being fixed on spacecraft；Lockset is arranged between pedestal and load, and lockset includes lock sheet, and lock sheet is made of shape-memory polymer, lock sheet before deformation occurs lockset be in the lock state, pedestal and load are fixed by lockset；Lock sheet after deformation occurs lockset it is in the open state, pedestal is separated with load；Driving device is connect with load, when lockset in the open state, driving device is suitable for the rotation of band dynamic loading and far from pedestal, and driving device is made of shape-memory polymer；Load is camera, antenna or pinboard.Locking release of the present invention and driving rotating mechanism, realize ground lock, the space-orbit unlock expansion of locking rotating device, compared with traditional deployable space structures, the configuration of the present invention is simple, the expansion small, coupling mechanism force of impact and driving force are big, can be realized in-orbit replacement, easy to repair.
Description
Technical field
The present invention relates to space technology field, in particular to a kind of locking release and driving rotating mechanism.
Background technique
In the prior art, partial devices (such as camera) need to be in rounding state during the launch process on spacecraft, in space flight
Device enters reinflated after planned orbit, and the device for being generally completed this process is spaceborne locking rotating device, however traditional spaceborne
Locking rotating device is mostly the complex mechanical structures such as priming system (blasting bolt etc.) and torsional spring, leads to gearing complexity, self weight
Greatly, blasting bolt and torsional spring can bring biggish impact and vibration while during unlocking expansion.In spacecraft launching accident case
In example, mostly priming system explosion causes to cause, and the locking whirler that there has been no structures at present is simple, failure rate is low and safe
The report of structure.
In view of the above drawbacks, creator of the present invention obtains the present invention by prolonged research and practice finally.
Summary of the invention
In view of this, the present invention is directed to propose a kind of locking discharges and drives rotating mechanism, to solve prior art space flight
Rotating device is locked in device, and structure is complicated, high failure rate and unsafe problem.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of locking release and driving rotating mechanism, including pedestal, lockset, driving device and load；
The pedestal is suitable for being fixed on spacecraft；
The lockset is arranged between the pedestal and the load, and the lockset includes lock sheet, the lock sheet by
Shape-memory polymer is made, the lock sheet before deformation occurs the lockset be in the lock state, the pedestal and the load
Lotus is fixed by the lockset；The lock sheet after deformation occurs the lockset it is in the open state, the pedestal and the load
Lotus separation；
The driving device is connect with the load, when the lockset in the open state, the driving device is suitable for
It drives the load rotation and the separate pedestal, the driving device is made of shape-memory polymer.
Further, the lockset further includes ball pin and locking member, and the ball pin is fixed in the load, the locking
Part is fixed on the base, and the locking member includes the first latch segment, the second latch segment and spring, first latch segment with
Second latch segment is hinged, and the spring is arranged between first latch segment and second latch segment；
It is c-type before the lock sheet deformation, the lock sheet clamps first latch segment and second latch segment, institute
It states the first latch segment and second latch segment clamps the ball pin；
It is plate, first latch segment and second latch segment disengaging lock sheet after the lock sheet deformation
Clamping, and separated under the action of the spring, the ball pin is detached from first latch segment and second latch segment.
Further, the ball pin includes flange and sphere, and the sphere is fixed on the flange, the flange and institute
Load is stated to be fixedly connected.
Further, first latch segment is equipped with the first arc groove, and second latch segment is equipped with the second arc
Slot, first arc groove and second arc groove are oppositely arranged and are suitable for clamping the sphere.
Further, the pedestal includes a bottom plate, is set on the bottom plate there are two limited post, two limited posts divide
The two sides of the locking member are not set.
Further, the shape-memory polymer includes epoxy group shape-memory polymer or cyanate base shape memory
Polymer, the glass transition temperature of the shape-memory polymer is within the scope of 100 DEG C -220 DEG C.
Further, the shape-memory polymer is composite material, and the composite material includes enhancing particle, the increasing
Strong particle includes one or more groups of carbon fiber, nano particle, carbon nanotube grafting carbon fiber, chopped strand and carbon cloth
It closes.
Further, the driving method of the lock sheet and the driving device is electrothermal drive, radio-frequency driven and microwave
One or more kinds of combinations of driving.
Further, the driving device includes driving piece, and the driving piece is tabular, the driving piece before deformation
It is gradually curved after driving and becomes arc.
Further, the driving device is connected in series by two or more driving pieces, and the adjacent driving piece drives
Bending direction after dynamic is opposite.
Compared with the existing technology, locking release of the present invention has the advantage that with driving rotating mechanism
(1) locking release of the present invention and driving rotating mechanism, realize ground lock, the space of locking rotating device
In-orbit unlock expansion, compared with traditional deployable space structures, small, coupling mechanism force and driving are impacted in the configuration of the present invention is simple, expansion
Power is big, and failure rate is low, highly-safe.
(2) locking release of the present invention and driving rotating mechanism, can be realized in-orbit replacement, easy to repair.
(3) locking release of the present invention and driving rotating mechanism, can realize phase by the heating to driving device
Machine rotation, to meet different shooting angle, the locking releasing device of proposition improves the mechanical property of total, prevents
Total is destroyed under the effects of by external impact, vibration, efficiently solves electromechanical driving bring shock and vibration to satellite
Precision electronic element bring damages problem, by the restraining structure of locking releasing device, locking of the present invention release and
Rotating mechanism freedom degree is driven, has a safety feature, is highly reliable.
(4) locking release of the present invention and driving rotating mechanism, can effectively solve the in-orbit bat of traditional spacecraft
Using complicated Mechatronic Systems driving load during taking the photograph, the load-carrying of spacecraft is alleviated.
(5) locking release of the present invention can be rapidly and efficiently by connector and connecting plate with driving rotating mechanism
Replacement driving device and the load such as camera, antenna, realize in-orbit replacement, the scope of application is wider.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the release of locking described in the embodiment of the present invention and driving rotating mechanism lock state schematic diagram；
Fig. 2 is the release of locking described in the embodiment of the present invention and driving rotating mechanism opening state schematic diagram；
Fig. 3 is the release of locking described in the embodiment of the present invention and driving rotating mechanism opening state top view；
Fig. 4 is locking member lock state schematic diagram described in the embodiment of the present invention；
Fig. 5 is locking member opening state schematic diagram described in the embodiment of the present invention；
Fig. 6 is ball pin schematic diagram described in the embodiment of the present invention；
Fig. 7 is screw pole schematic diagram described in the embodiment of the present invention；
Fig. 8 is connecting plate schematic diagram one described in the embodiment of the present invention；
Fig. 9 is connecting plate schematic diagram two described in the embodiment of the present invention；
Figure 10 is figuration tooling schematic diagram described in the embodiment of the present invention；
Figure 11 is that schematic diagram one is connected in series in driving piece described in the embodiment of the present invention；
Figure 12 is that schematic diagram two is connected in series in driving piece described in the embodiment of the present invention；
Figure 13 is that schematic diagram three is connected in series in driving piece described in the embodiment of the present invention；
Figure 14 is connector described in the embodiment of the present invention and connecting plate schematic diagram；
Figure 15 is clamp button of the spring described in the embodiment of the present invention and connecting plate schematic diagram；
Figure 16 is clamp button of the spring described in the embodiment of the present invention and connecting plate assembling schematic diagram.
Description of symbols:
1- pedestal, 11- limited post, 12- screw pole, 2- lockset, 21- lock sheet, 22- ball pin, 221- flange, 2211-
One screw hole, 222- sphere, the section 2221-, 23- locking member, the first latch segment of 231-, the first arc groove of 2311-, 232- second
Latch segment, the second arc groove of 2321-, 233- spring, 234- pin, 3- driving device, 31- first drive piece, and 32- second drives
Piece, 33- screw, 4- load, 41- connecting plate ontology, 42- threaded post, the first threaded hole of 43-, the second threaded hole of 44-, 45- hollow out
Portion, 46- surrounding edge, 47- limited block, 5- connector, the first slot of 51-, the second screw hole of 52-, 53- clamp button of the spring, 531- fixture block,
5311- convex block, the first bearing surface of 5312-, the second bearing surface of 5313-, 532- rotary shaft, the first spring of 533-, 54- block, 6-
Connecting plate, the second slot of 61-, 611- groove face, 612- card face, 62- button, 621- protrusion, 63- second spring, 64- support block, 65-
Annular groove, 7- figuration tooling, the upper tooling block of 71-, tooling block under 72-.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
In the description of the present invention, it should be noted that term noun in each embodiment for example "upper", "lower", " preceding ",
The word of indicating positions such as " rear " is intended merely to simplify positional relationship of the description based on Figure of description, does not represent meaning
Element and device etc. must to specifications in the operation and method, construction of specific orientation and restriction operated, such side
Position noun is not construed as limiting the invention.
In addition, the term " first " being previously mentioned in an embodiment of the present invention, " second " are used for description purposes only, it can not
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include one or more of the features.
Embodiment one
The present invention provides a kind of locking releases and driving rotating mechanism, in conjunction with shown in Fig. 1 and Fig. 2, including pedestal 1, lock
Tool 2, driving device 3 and load 4, pedestal 1 are the pedestal of entire mechanism, suitable for being fixed on spacecraft or pedestal 1 can also be
Spaceborne portion, pedestal 1 mainly rise and connect and support lockset 2, driving device 3 and load 4；Load 4 is arranged the bottom of at
The top of seat 1, load 4 can be to need the facilities such as camera or the antenna of in-orbit expansion on spacecraft or load 4 further includes turning
Fishplate bar is adapted to need the facilities such as camera or the antenna of in-orbit expansion on spacecraft；The setting of lockset 2 pedestal 1 and load 4 it
Between, lockset 2 has locking and opens two states, and when spacecraft is during lift-off, lockset 2 is in the lock state, and load 4 is logical
It crosses lockset 2 to be fixedly connected with pedestal 1, after spacecraft injection operation, load 4 needs to be unfolded, and lockset 2, which is in, at this time opens
State, load 4 are no longer fixedly connected with pedestal 1, and the rear end of load 4 is connected with driving device 3, when lockset 2 is in the open state
When, driving device 3 can occur bending and deformation, and band dynamic loading 4 is gradually curved and far from pedestal 1, and then realizes the expansion of load 4,
In the present embodiment, driving device 3 is plate made of shape-memory polymer, and driving device 3 deforms preceding for tabular (such as Fig. 1
It is shown), it is bending (as shown in Figure 2) that driving device 3 is under thermal excitation or electric excitation gradually from flat after the deformation of driving device 3
Plate becomes bending, realizes the slow expansion of load 4, without intense impact in whole process, improves the stability of expansion
With safety.
In the present embodiment, in conjunction with shown in Fig. 2-Fig. 5, lockset 2 includes lock sheet 21, ball pin 22 and locking member 23, ball pin 22
It is separately positioned on pedestal 1 and load 4 with locking member 23, preferably, ball pin 22 is fixed in load 4, so that load 4 loaded
Weight is low, and locking member 23 and lock sheet 21 are fixed on pedestal 1, and locking member 23 includes the first latch segment 231, the second latch segment
232, spring 233 and pin 234, the first latch segment 231 and the second latch segment 232 axial symmetry each other, the first latch segment 231 and the
Rear side one end of the discrete setting of two latch segment 232 or so, the first latch segment 231 and the second latch segment 232 is connected by pin 234
It connects, the middle position of pedestal 1 is equipped with pin column, is used for fixing pin 234, the first latch segment 231 can be with the second latch segment 232
Pin 234 around rear end relatively rotates, i.e. the second latch segment 232 can be revolved around pin 234 relative to the first latch segment 232
Turn, spring 233 is equipped between the first latch segment 231 and the second latch segment 232, the power that spring 233 is suitable for providing left and right directions makes
The first latch segment 231 is obtained to separate with the second latch segment 232；Lock sheet 21 is stripe board made of shape-memory polymer, lock
Tight piece 21 is similar " C " shape (as shown in Figure 4) before deforming, and is tabular (as shown in Figure 5), lock sheet after the deformation of lock sheet 21
Before 21 deformations, grooves hold the first latch segment 231 and the second latch segment 232 that lock sheet 21 is formed, the right side of the first latch segment 231
Side is equipped with the first arc groove 2311, and the left side of the second latch segment 231 is equipped with the second arc groove 2321, the first arc groove 2311
Match with the extrados of the cambered surface and ball pin 22 of the second arc groove 2321, when lock sheet 21 clamps the first latch segment 231 and the
When two latch segments 232, ball pin 22 is clamped and is fixed with the second latch segment 231 by the first latch segment 231, at this time the first latch segment
231 and the second spring 233 between latch segment 232 compressed, lockset 2 is in the lock state, fixed between pedestal 1 and load 4
Connection, load 4 are limited in front-rear direction up and down；The deformed shape of lock sheet 21 is tabular, in thermal excitation or
Under the action of electric excitation, lock sheet 21 gradually becomes deformed tabular from " C " shape before deformation, the first latch segment 231 with
Second latch segment 232 gradually loses the clamping action of lock sheet 21, and is gradually disengaged under the action of spring 233, the first locking
After block 231 is separated with the second latch segment 232, ball pin 22 loses the clamping action of the first latch segment 231 and the second latch segment 232,
Lockset 2 is in the open state at this time, and under the action of driving device 3, and load 4 can rotate relative to pedestal 1 and far from pedestal
1。
In the present embodiment, lock sheet 21 is fixedly connected on the left side of the first latch segment 231, the deformation of lock sheet 21
It is fixedly connected always with the first latch segment 231 in journey, the separation of the second latch segment 232 and the first latch segment 231 can be made more
What is added is smooth, and after effectivelying prevent lock sheet 21 to be unfolded, the first latch segment 231 is hindered with the second latch segment 232 opening, preferably
, pedestal 1 be equipped with limited post 11, the limited post 11 altogether there are two, two limited posts 11 are separately positioned on locking member 23
Two sides, limited post 11 can effectively prevent the first latch segment 231 and 232 opening degree of the second latch segment excessive, and cause centre
The disengaging of spring 233, it is significantly more efficient prevent the first latch segment 231 and 232 opening degree of the second latch segment it is excessive and influence after
The use in face.
In the present embodiment, as shown in connection with fig. 6, ball pin 22 includes flange 221 and sphere 222, and sphere 222 is fixed at method
Orchid 221 lower section, flange 221 be equipped with 4 the first screw holes 2211, ball pin 22 at the first screw hole 2211 by screw with
Load 4 is fixedly connected, and in the present embodiment, preferably, the rear side of sphere 222 is equipped with a section 2221, i.e. sphere 222 is that ball exists
Rear side cuts a part of formation, because violent vibration can occur for spacecraft during spacecraft lift-off, sphere 222 and the
One latch segment 231 and 232 contact area of the second latch segment is bigger yes constantly to scratch in vibration processes, causes the first latch segment
231 and second latch segment 232 by 222 locking of sphere, even if also can not successfully be unlocked under the action of spring 233, therefore this implementation
Sphere 222 is cut a part by example, prevents sphere 222 by 232 locking of the first latch segment 231 and the second latch segment, of the present invention
Device in the experimental stage, by the vibration test of high-magnitude it is found that can effectively prevent after section 2221 is arranged in sphere 222
Only the first latch segment 231 and the second latch segment 232 are by 222 locking of sphere, scheme simple possible.
In the present embodiment, the front end of driving device 3 is fixedly connected by screw with load 4, and the rear end of driving device 3 passes through
Screw is fixedly connected with the rear end of pedestal 1, and as shown in connection with fig. 7, the rear end of pedestal 1 is set there are two screw pole 12, and the present embodiment is logical
It crosses screw to be fixedly connected driving device 3 and load 4 and pedestal 1 respectively, be connected firmly.
In the present embodiment, lock sheet 21 is that shape memory polymer material is made with driving device 3, resin matrix packet
Include epoxy group shape-memory polymer or cyanate base shape memory polymer, and the glass transition temperature of shape-memory polymer
Degree should be higher than that 10 DEG C of maximum temperature of spacecraft military service track, prevents the temperature due to the in-orbit environment of spacecraft and makes lock sheet
21 deform with driving device 3, preferably, shape-memory polymer glass transition temperature select section for 100 DEG C~
220℃；
In the present embodiment, lock sheet 21 and driving device 3 use composite material of shape memory, in composite material of shape memory
Reinforcing material include carbon fiber, nano particle, carbon nanotube, grafting carbon fiber, chopped strand or carbon cloth etc. it is a kind of or
Multiple combinations.In the present embodiment, the other component in addition to lock sheet 21 and driving device 3 can close for composite material, aluminium alloy, titanium
The materials such as gold or stainless steel, preferably, ball pin 22 uses stainless steel material, the first latch segment 231, the second latch segment 232 and load
The components such as lotus 4 and composite material of shape memory lamella contact portion use the heat-barrier materials such as polyimides, or addition polyimides etc.
The heat insulating mattress of heat-barrier material preparation.
In the present embodiment, the driving method of composite material of shape memory is thermal drivers, electric drive or electricity, heat combination driving.
Outer surface and/or inner surface adhering resistance formula film heating according to thermal drivers, in composite material of shape memory lock sheet 21
Device, the upper surface of driving device 3 made of composite material of shape memory and/or lower surface adhering resistance formula film heating；If
Using electric drive mode, doped single-walled or multi-walled carbon nanotube, graphene, carbon black, carbon nanometer are answered in composite material of shape memory
One of conductive reinforced phases such as paper, carbon nano-fiber, chopped carbon fiber, continuous carbon fiber or miscellaneous granules filling are more
Kind, and there is external power supply to be connected with above-mentioned doping, form power circuit；It is heated according to microwave-driven mode, shape memory
The nano particles such as doped carbon nanometer pipe, graphene oxide and silicon carbide are answered in polymer composites；According to radio-frequency driven side
Formula should adulterate radio frequency susceptible particle in shape memory polymer composite material；According to combination driving method, shape memory polymers
The enhancing particle adulterated in object composite material should meet the mode of combination driving simultaneously.
Preferably, the present embodiment uses thermal drivers mode, and the barbola work of diaphragm type resistance heater is as follows:
S1, the composite material of shape memory lock sheet 21 in the preceding shape of deformation: the side outside resistance heater room to be pasted
After covering a strata acid imide double faced adhesive tape, pastes thin film heater and wrap up one layer of aluminium glue band outside heater.To prevent
Thin film heater is scratched by external sharp object, and a strata acid imide one side glue is swathed outside aluminium glue band.
S2, the composite material of shape memory driving device 3 in the preceding shape of deformation: one is covered in the side of heater to be pasted
Layer aluminium glue band, and cut out in the direction for being parallel to pedestal 1 according to " rich " word formula.A strata acyl is pasted on the aluminium glue band sheared
Thin film heater is pasted after imines double-sided adhesive, and swathes a strata amide one side glue in outmost surface.
There are two states, respectively lock state (lockings with driving rotating mechanism for the release of locking described in the present embodiment
Mode) and opening state (operating mode of locking expansion), the method for converting from lock state to opening state is as follows:
When using thermal drivers mode: 1) logical to the thin film heater of 21 surface mount of composite material of shape memory lock sheet
Electricity, after more than temperature to glass transition temperature, lock sheet 21 stops being powered after deformation from " C " shape conversion to tabular；
2) it is powered to the thin film heater on 3 surface of composite material of shape memory driving device, when temperature is increased to glass transition temperature
After above, driving device 3 is converted into arc shape from tabular, stops being powered after deformation.
When using electric drive mode: 1) being powered to composite material of shape memory lock sheet 21, when temperature to glass transition
After more than temperature, lock sheet 21 stops being powered after deformation from " C " shape conversion to tabular；2) to composite material of shape memory
Driving device 3 is powered, and after temperature is increased to glass transition temperature or more, driving device 3 is converted into arc shape from tabular,
Stop being powered after deformation.
When using microwave-driven mode: 1) applying microwave field to composite material of shape memory lock sheet 21, when temperature to glass
After more than glass transition temperature, lock sheet 21 closes microwave field after deformation from " C " shape conversion to tabular；2) shape is remembered
Recall composite material driving device 3 and apply microwave field, after more than temperature to glass transition temperature, driving device 3 is from tabular
It is converted into arc shape, closes microwave field after deformation.
When using radio-frequency driven mode: 1) applying radiofrequency field to composite material of shape memory lock sheet 21, when temperature to glass
After more than glass transition temperature, lock sheet 21 closes radiofrequency field after deformation from " C " shape conversion to tabular；2) shape is remembered
Recall composite material driving device 3 and apply radiofrequency field, after more than temperature to glass transition temperature, driving device 3 is from tabular
It is converted into arc shape, closes radiofrequency field after deformation.
When using combination driving method: 1) applying to the combination driving method that composite material of shape memory lock sheet 21 is selected
Corresponding excitation, after more than temperature to glass transition temperature, lock sheet 21 is from " C " shape conversion to tabular, after deformation
Stop excitation；2) corresponding excitation is applied to the combination driving method that composite material of shape memory driving device 3 is selected, works as temperature
After more than to glass transition temperature, driving device 3 is converted into arc shape from tabular, stops excitation after deformation.
Embodiment two
On the basis of the above embodiments, when load 4 includes connecting plate, connecting plate is used for connection ball pins to the present embodiment
22, driving device 3 is with to rotary part (such as camera and antenna), and in conjunction with shown in Fig. 8-9, connecting plate includes connecting plate ontology
41, attachment screw column 42, the first threaded hole 43, the second threaded hole 44, hollow-out parts 45, surrounding edge 46 and limited block 47, connection screw thread
The center position of connecting plate ontology 41 is arranged in column 42 and the upper side of connecting plate ontology 41 is arranged in connection screw thread column 42, even
Four angles of fishplate bar ontology 41 are set there are four the first threaded hole 43, and connection screw thread column 42 can be real with the screw at the first threaded hole 43
Existing its is connect with member screws such as cameras or antenna to be rotated, realizes the disassembly and replacement of the components such as camera or antenna, even
Connect threaded post 42 can be used alone with the first threaded hole 43, also can be used in combination；Connecting plate ontology 41 is equipped with multiple hollow-out parts 45,
Hollow-out parts 45 can reduce the weight of connecting plate ontology 41, facilitate expansion of the driving device 3 to load 4；41 bottom surface of connecting plate ontology
Surrounding edge 46 is equipped at center, surrounding edge 46 is the side of circular protrusions, and surrounding edge 46 encloses a groove, the groove and flange 221
Shape matches, and the second threaded hole 44 is equipped in groove, the second threaded hole 44 is corresponding with the threaded hole on flange 221, ball pin
22 are fixed in surrounding edge 46 by flange 221；The bottom surface of connecting plate ontology 41 is equipped with limited block 47, and there are two simultaneously altogether for limited block 47
It is respectively provided at the left and right sides of 41 bottom surface of connecting plate ontology, two 47 inside interplanar distances of limited block are equal to two limited posts, 11 outside
Interplanar distance, when load 4 is fixed on pedestal 1 by lockset 2, limited post 11 and limited block 47 can limit load 4 in left and right two
Side direction moves.
Embodiment three
The present embodiment on the basis of the above embodiments, proposes that a kind of composite material of shape memory lamella constitutes lock sheet 21
It is described in detail below with the figuration technique of driving device 3:
S1, composite material of shape memory lock sheet 21: the locking lamella under straightened condition is fixed on figuration tooling
On, and lock sheet 21 is placed on to 15-30 DEG C higher than its glass transition temperature of sweat box, it is pressed from both sides during heating with C clamp
Firmly to its figuration, is cooled down after a period of time and shed C clamp.
S2, composite material of shape memory driving device 3: the driving device 3 being under bending state and figuration tooling are put
It sets and is taken out for a period of time in the sweat box than composite material of shape memory glass transition temperature greater than 15-30 DEG C, driving is filled
It sets 3 and is placed on and driving device 3 is fixed as among forniciform figuration tooling, suppressed with press.Lamella is taken out after cooling.
In the present embodiment, the figuration tooling of lock sheet 21 is dimensioned slightly smaller than the first latch segment 231 and the second latch segment 232 closes
Overall dimensions after and；The figuration tooling 7 of driving device 3 is made of upper and lower two pieces of toolings, as shown in connection with fig. 10, upper tooling block 71
Convex, lower tooling block 72 is recess, and driving device 3 is domed when figuration is placed among tooling.
Example IV
The difference of the present embodiment and above-described embodiment one is, in conjunction with shown in Figure 11-Figure 12, driving device in the present embodiment
3 other than including the first driving piece 31, further includes the second driving piece 32, and the first driving piece 31 drives 32 company of series connection of piece with second
It connects, the first driving piece 31 is connect with the second driving piece 32 by screw 33, and the first driving piece 31 and second drives piece 32 to constitute
Driving device 3 connects pedestal 1 and load 4, and the first driving piece 31 is fixedly connected with load 4, and the second driving piece 32 is fixedly connected with pedestal
1, in the present embodiment, the first driving piece 31 is tabular with the second driving piece 32 before being deformed, only right after the opening of lockset 2
Second driving piece 32 implements excitation, and the second driving piece 32 bends, and then the first driving piece 31 is driven to be unfolded and revolve with load 4
Turn, realizes the expansion and rotation of load 4, but the second driving piece 32 made of shape-memory polymer can not automatically reply, when
When 4 expanded angle of load needs to turn down, the first driving piece 31 is motivated in real time, the bending direction and the of the first driving piece 31
The bending of two driving pieces 32 is contrary, and the first driving piece 31 can be rotated back with dynamic loading 4 at this time, realizes that angle can
It adjusts, and ensure that 4 expansion process of load simultaneously without intense impact, safe coefficient is high.
Preferably, in conjunction with shown in Figure 13, driving device 3 can be formed by multiple driving piece tandem compounds, and two neighboring drive
The deformation bending direction of movable plate is on the contrary, can repeatedly realize that the rotation of load 4 is back and forth adjusted.
Embodiment five
The difference of the present embodiment and above-described embodiment is, in conjunction with shown in Figure 14-16, driving device 3 by connector 5 with
Connecting plate 6 is fixedly connected with pedestal 1, and the side of connecting plate 5 is equipped with the first slot 51, and driving device 3 can be plugged into the first slot 51
In, then be fixedly connected by screw at the second screw hole 52；Connecting plate 6 is vertical plate, and the bottom surface of connecting plate 6 is fixed on bottom
On seat 1.
The top surface of connector 5 is equipped with clamp button of the spring 53, and the one side wall of connecting plate 6 towards load 4 is equipped with the second slot
61, there is connector 5 one end of clamp button of the spring 53 can be plugged into simultaneously clamping in the second slot 61 of connecting plate 6, realize connector 5
With being fixedly connected for connecting plate 6.
In conjunction with shown in Figure 15-Figure 16, clamp button of the spring 53 includes fixture block 531, rotary shaft 532 and the first spring 533, fixture block
531 longitudinal section type is triangle, and one end of fixture block 531 is fixed on connector 5 by the way that rotary shaft 532 is rotatable, blocks
Block 531 can be rotated around rotary shaft 532, and the bottom of fixture block 531 is fixedly connected with the top of the first spring 533, the bottom of the first spring 533
End is fixedly connected with the inside of 5 bottom surface of connector, connector 5 and fixture block 531 and is equipped with block far from the contact position of 532 one end of rotary shaft
54, the inside corresponding with block 54 of fixture block 531 is equipped with convex block 5311, prevents fixture block 531 from taking off under the action of the first spring 533
From connector 5.
Connecting plate 6 includes the second slot 61, and 61 inner tip of the second slot is equipped with through-hole, and button 62, the are equipped in through-hole
Two springs 63 and support block 64, the lower part of button 62 are fixedly connected with support block 64,63 ring set of second spring in support block 64, button 62
Bottom is equipped with a circle protrusion 621, and the side wall of through-hole is equipped with annular groove 65, and the top of second spring 63 is connected to the bottom of button 62
Face, the bottom end of second spring 63 are fixed on the side wall of 65 lower section of annular groove, and protrusion 621 is fastened in annular groove 65, Neng Goufang
Only button 62 is detached from annular groove 65；When button 62 does not stress, second spring 63 jacks up button 62 and support block 64 upwards, works as button
62 when receiving downward power, and second spring 63 is compressed, and button 62 moves down simultaneously with support block 64, when the power that button 62 receives
When fading away, under the action of second spring 63, button 62 is gradually moved up with support block 64, when protrusion 621 and annular groove
65 top sidewall is returned to original state when abutting.
Fixture block 531 includes the first bearing surface 5312 and the second bearing surface 5313, and the first bearing surface 5312 is inclined-plane, and second inserts
The notch height of slot 61 is identical as the front height of fixture block 531, when connector 5 is inserted into the second slot 61, the second slot
61 notch side and groove face 611 can gradually reduce to the inclined-plane applied force of the first bearing surface 5312, fixture block 531 first spring 533,
Fixture block 531 rotates up to fixture block 531 around rotary shaft 532 and is inserted into the second slot 61, is equipped with card face in the second slot 61
612, when the second bearing surface 5313 of fixture block 531 is moved at card face 612 (fixture block 531 be inserted into the second slot 61 most in
End), fixture block 531 loses power and rotates upwards under the action of the first spring 533, at this time card face 612 and the second bearing surface 5313
It abuts, realizes the clamping of connector 5 and connecting plate 6.
When needing to substitute driving device 3, only 62 need to be touched the button downwards, button 62 drives support block 64 to move down jointly,
The bottom face of support block 64 is the inclined-plane to match with the first bearing surface 5312, and fixture block 531, fixture block are squeezed when support block 64 moves down
531 the first springs 533 of compression are simultaneously rotated around rotary shaft 532, when the second bearing surface 5313 completely disengages card face 612, fixture block 531
It can be detached from from the second slot 61, button 62 gradually moves up under the action of second spring 63 with support block 64, replys initial
State.
Connector 5 described in the present embodiment with connecting plate 6, it can be achieved that driving device 3 and pedestal 1 are detachably connected, when
When spacecraft needs to withdraw load 4 again and be unfolded again and rotate during in orbit, driving device 3 is needed replacing, so
And the mode of screw fastening dismantles inconvenience, and the screw removed also is easily lost, and present embodiments provides a kind of convenient for replacement
Connection type, only need to can be realized the separation of driving device 3 Yu pedestal 1 by lower button, and 3 need of driving device keep power slotting
Entering can be fixed on connecting plate 6, easy to operate, strong flexibility.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of locking release and driving rotating mechanism, which is characterized in that including pedestal (1), lockset (2), driving device (3) with
Load (4)；
The pedestal (1) is suitable for being fixed on spacecraft；
The lockset (2) is arranged between the pedestal (1) and the load (4), and the lockset (2) includes lock sheet (21),
The lock sheet (21) is made of shape-memory polymer, the lock sheet (21) before deformation occurs the lockset (2) be in lock
Determine state, the pedestal (1) and the load (4) are fixed by the lockset (2)；The lock sheet (21) institute after deformation occurs
It is in the open state to state lockset (2), the pedestal (1) separates with the load (4)；
The driving device (3) connect with the load (4), when the lockset (2) in the open state, the driving device
(3) it is suitable for driving load (4) rotation simultaneously far from the pedestal (1), the driving device (3) is by shape-memory polymer system
At.
2. locking according to claim 1 release and driving rotating mechanism, which is characterized in that the lockset (2) further includes
Ball pin (22) and locking member (23), the ball pin (22) are fixed on the load (4), and the locking member (23) is fixed on described
On pedestal (1), the locking member (23) includes the first latch segment (231), the second latch segment (232) and spring (233), and described the
Hingedly, the spring (233) is arranged in first latch segment (231) for one latch segment (231) and second latch segment (232)
Between second latch segment (232)；
It is c-type before lock sheet (21) deformation, the lock sheet (21) clamps first latch segment (231) and described second
Latch segment (232), first latch segment (231) and second latch segment (232) clamp the ball pin (22)；
It is plate, first latch segment (231) and second latch segment (232) disengaging after lock sheet (21) deformation
The clamping of the lock sheet (21), and separated under the action of the spring (233), the ball pin (22) is detached from first lock
Tight block (231) and second latch segment (232).
3. locking release according to claim 2 and driving rotating mechanism, which is characterized in that the ball pin (22) includes method
Blue (221) and sphere (222), the sphere (222) are fixed on the flange (221), the flange (221) and the load
(4) it is fixedly connected.
4. locking release according to claim 3 and driving rotating mechanism, which is characterized in that first latch segment
(231) the first arc groove (2311) being equipped with, second latch segment (232) is equipped with the second arc groove (2321), and described the
One arc groove (2311) and second arc groove (2321) are oppositely arranged and are suitable for clamping the sphere (222).
5. locking release according to claim 2 and driving rotating mechanism, which is characterized in that the pedestal (1) includes one
Bottom plate is set on the bottom plate there are two limited post (11), and two limited posts (11) are separately positioned on the locking member (23)
Two sides.
6. the release of locking described in -5 and driving rotating mechanism according to claim 1, which is characterized in that the shape memory polymers
Object includes epoxy group shape-memory polymer or cyanate base shape memory polymer, the vitrifying of the shape-memory polymer
Transition temperature is within the scope of 100 DEG C -220 DEG C.
7. locking release according to claim 6 and driving rotating mechanism, which is characterized in that the shape-memory polymer
For composite material, the composite material includes enhancing particle, and the enhancing particle includes carbon fiber, nano particle, carbon nanotube
It is grafted one or more combinations of carbon fiber, chopped strand and carbon cloth.
8. locking release according to claim 1 and driving rotating mechanism, which is characterized in that the lock sheet (21) and institute
The driving method for stating driving device (3) is electrothermal drive, a combination of one or more of radio-frequency driven and microwave-driven.
9. locking release according to claim 8 and driving rotating mechanism, which is characterized in that driving device (3) packet
Driving piece (31) is included, the driving piece (31) is tabular before deformation, is gradually curved and becomes after driving piece (31) driving
For arc.
10. locking according to claim 2 release and driving rotating mechanism, which is characterized in that the driving device (3) by
Two or more driving pieces (31) are connected in series, and the bending direction after adjacent driving piece (31) driving is opposite.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640711.XA CN109606737B (en) | 2018-12-29 | 2018-12-29 | Locking, releasing and driving rotating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811640711.XA CN109606737B (en) | 2018-12-29 | 2018-12-29 | Locking, releasing and driving rotating mechanism |
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| CN109606737A true CN109606737A (en) | 2019-04-12 |
| CN109606737B CN109606737B (en) | 2021-07-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112901433A (en) * | 2021-01-20 | 2021-06-04 | 哈尔滨工业大学 | Shape memory torsion driver |
| WO2021209724A1 (en) * | 2020-04-16 | 2021-10-21 | Centre National d'Études Spatiales | Low-shock and reusable retention and release device |
| DE102022129934A1 (en) | 2022-11-11 | 2024-05-16 | Deployables Cubed GmbH | Actuator module for releasing a release body |
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| US8876062B1 (en) * | 2012-10-31 | 2014-11-04 | Space Systems/Loral, Llc | Shape memory alloy pre-loaded deployment hinge |
| CN105856271A (en) * | 2016-06-01 | 2016-08-17 | 哈尔滨工业大学 | Aircraft mechanical arm based on shape memory polymer and dielectric elastomer and manufacturing method thereof |
| CN106335653A (en) * | 2016-09-21 | 2017-01-18 | 哈尔滨工业大学 | Spring-type separation mechanism driven by shape memory polymer composite material |
| CN108945522A (en) * | 2018-06-20 | 2018-12-07 | 哈尔滨工业大学 | Locking relieving mechanism and its 4D printing preparation method and locking method for releasing are repeated from driving with honeycomb |
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|---|---|---|---|---|
| US8876062B1 (en) * | 2012-10-31 | 2014-11-04 | Space Systems/Loral, Llc | Shape memory alloy pre-loaded deployment hinge |
| CN105856271A (en) * | 2016-06-01 | 2016-08-17 | 哈尔滨工业大学 | Aircraft mechanical arm based on shape memory polymer and dielectric elastomer and manufacturing method thereof |
| CN106335653A (en) * | 2016-09-21 | 2017-01-18 | 哈尔滨工业大学 | Spring-type separation mechanism driven by shape memory polymer composite material |
| CN108945522A (en) * | 2018-06-20 | 2018-12-07 | 哈尔滨工业大学 | Locking relieving mechanism and its 4D printing preparation method and locking method for releasing are repeated from driving with honeycomb |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021209724A1 (en) * | 2020-04-16 | 2021-10-21 | Centre National d'Études Spatiales | Low-shock and reusable retention and release device |
| FR3109413A1 (en) * | 2020-04-16 | 2021-10-22 | Centre National d'Études Spatiales | Reusable, low impact hold and release device |
| CN112901433A (en) * | 2021-01-20 | 2021-06-04 | 哈尔滨工业大学 | Shape memory torsion driver |
| DE102022129934A1 (en) | 2022-11-11 | 2024-05-16 | Deployables Cubed GmbH | Actuator module for releasing a release body |
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|---|---|
| CN109606737B (en) | 2021-07-20 |
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