CN108190051A - A kind of super large load tripper of SMA driving - Google Patents
A kind of super large load tripper of SMA driving Download PDFInfo
- Publication number
- CN108190051A CN108190051A CN201810132822.3A CN201810132822A CN108190051A CN 108190051 A CN108190051 A CN 108190051A CN 201810132822 A CN201810132822 A CN 201810132822A CN 108190051 A CN108190051 A CN 108190051A
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- valve nut
- sma
- scroll spring
- tripper
- bolt
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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
- B64G1/645—Separators
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- Engineering & Computer Science (AREA)
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- Aviation & Aerospace Engineering (AREA)
- Rotary Pumps (AREA)
Abstract
The present invention provides a kind of super large load tripper of SMA driving, and using valve nut and king-bolt is divided, as connector, scroll spring is as fastener, the SMA driving elements as separation for the mechanism；Mechanism is connected by king-bolt with separated structure, and valve nut is divided to lock king-bolt under the package of scroll spring；Scroll spring inner end is fixed on point valve nut, and outer end is connected with frame；Locking state lower frame is limited by the constraint system that briquetting and bayonet lock form；During separation, it is powered to SMA, it is made to be heated to undergo phase transition and shrink, driving briquetting movement releases the limiting to bayonet lock, the frame of constraint is lost under the effect of scroll spring restoring force, it is rotated with scroll spring, after scroll spring scatters, valve nut is divided to be opened under the effect of its thin-slab structure, discharge king-bolt, the separation of implementation mechanism.Present invention driving than it is high, load is big for release, reliability is high, anti-vibration, impact capacity are strong.
Description
Technical field
The present invention relates to the technical field of spacecraft tripper, more particularly to one kind divides valve nut tripper.
Background technology
Spacecraft needs a variety of trippers to realize connection and unlocking function, as the separation of multistage booster, satellite or
Expansion of solar wing etc. on person's spaceship.Current this device is mostly priming system bolt (also known as blasting bolt).At present this
Kind device is mostly priming system bolt (also known as blasting bolt), and priming system bolt can cause to impact during separation is unlocked, and
Bomb fragments, dust, chemical gas etc. are stayed in and cause pollution problem in spacecraft, it is especially of new generation with the development of technology
Contradiction between the defects of appearance of grapefruit satellite, priming system bolt and burgeoning application demand is increasingly prominent.
Point valve nut tripper be it is a kind of linkage function is realized by complete thread in connected state, when separation, passes through
Nut divides valve to destroy threaded connection relation and then realizes solution lockwork.Recent decades divide valve nut development of new solution utilizing
In terms of locking device, there is certain progress, it is proposed that valve nut is divided to unlock scheme based on a variety of driving principles, such as with electromagnetic force
Electromagnetic type separator for driving force, the Gu Tong limiting lockings mechanism being driven using SMA etc..These divide valve nut to connect
Connecing relieving mechanism has many advantages, such as that unlock is thorough, synchronism is good, but there is also following larger shortcomings：
(1) mechanism of electromagnetic drive, complicated, number of parts is more, and manufacture is of high cost and release reliability is not easy to ensure；
(2) electromagnetic field of generation is to space environment shadow using electromagnetism power drive for the valve nut release device of dividing of electromagnetic drive
It rings greatly, is of limited application；
(3) mechanism of SMA drivings pulls hoop cylinder disengaging that valve nut is divided to be unlocked, antivibration by SMA heat shrinkables
Dynamic, impact energy force difference；
(4) it is shunk by SMA and realizes driving, and SMA filament length degree is shorter so that the design margin of mechanism is smaller, with
The increase of number is driven, the performance of SMA decays, and the nargin of mechanism can be reduced further；
(5) mechanism of SMA drivings does not have Redundancy Design, detaches poor reliability, is of limited application；
(6) existing SMA Gu Tong limiting lockings mechanism, drive than it is low (present invention in driving than similar to laborsaving lever
Principle, be defined as：The driving load of release load/driving element that driving ratio=mechanism can provide), it is impossible to meet super large
Discharge the demand of the application environment of load.
Invention content
Present invention mainly solves it is in the prior art driving than it is low, cannot carry out super large discharge, do not carry out it is superfluous
Remaining design and anti-vibration, the problem of impact property is poor, provide a kind of driving than it is high, can discharge super large load, reliability it is high,
The strong SMA silks driving of anti-vibration, impact capacity divides valve nut tripper.
The technical solution adopted by the present invention is：A kind of super large load tripper of SMA driving, including：SMA,
Insulated track, briquetting, bayonet lock, frame, bearing, divides valve nut, resets tooling, is scroll spring, lower cover, upper cover, big resetting spring
Bolt, pin.Wherein, it is connector to divide valve nut and king-bolt, and scroll spring is fastener, and SMA are the driving members detached
Part；Lower cover is connect with fixed structure, and king-bolt is connected with separated structure, and king-bolt is with dividing valve nut to connect using screw thread pair cooperation
It connects, valve nut is divided to lock king-bolt under the package of scroll spring；Scroll spring inner end is fixed on point valve nut, and outer end passes through
Pin is connected with frame, and valve nut and frame is divided to coordinate respectively with the inner ring and outer rings of bearing；The head for resetting tooling is fixed on
On upper lid, lower part, which is inserted into, to be divided in the hexagon ring of valve nut top surface；SMA one end are fixed on lower lid, and the other end passes through insulation rail
Road is connected on briquetting, and resetting spring is equipped between briquetting and insulated track.
When mechanism locks, frame is limited by the constraint system that briquetting and bayonet lock form, and the inside and outside both ends of scroll spring are by about
Beam makes a point valve nut check king-bolt.
It during separation, is powered to SMA, it is made to be heated and undergoes phase transition and shrinks, driving briquetting movement releases bayonet lock to frame
Limiting, scroll spring restoring force effect under, frame rotates together with scroll spring outer end, and scroll spring scatters, and divides valve spiral shell
Mother opens, and discharges king-bolt, the separation of implementation mechanism.
When needing to reset, rotating frame makes bayonet lock playback, and briquetting returns to constrained under the action of resetting spring elastic force,
The outer end of scroll spring is again restrained, at this moment spinning reduction tooling, and drive divides valve nut and scroll spring inner ends thereof, scrollwork
Spring retightens and locks a point valve nut, and mechanism is made to lock again.
Further, it is described that valve nut is divided to be made of elastic material.
Further, it is described to divide valve nut by scroll spring tight, the frictional force between respectively being enclosed by scroll spring,
It can ensure that even if point valve nut by very big radial load, will not open.
Further, it tells that point valve nut top center is equipped with hex hole, with resetting tooling cooperation, a point valve nut can be made
It is rotated under the drive for resetting tooling, so as to tense scroll spring, the reset of implementation mechanism.
Further, it is described to divide valve nut outer surface of upper stepped, coordinate with upper cover and bearing inner ring.
Further, described that valve nut lower part is divided to be split body, split body number is 3 or 4, and it is a bottom to piece together
Cylinder of the portion with type conical bench, cylindrical outer surface are wrapped up by scroll spring and being locked, and the screw thread of inner surface can coordinate with king-bolt.
Further, the type conical bench for dividing valve nut lower part is coordinated by the circular conical surface and lower cover of bottom surface, had
Self-centering Action improves the ability of shock resistance and vibration.
Further, it is described to divide in the middle part of valve nut for multiple thin-slab structures, number and the split body number pair of thin-slab structure
Should, it is evenly distributed, plays the role of spring steel plate, there is the trend opened outside, it is thin in the case where no scroll spring constrains
Harden structure can drive split body to be flared out.
Further, the reset tooling head center is equipped with hexagon ring, coordinates with allen wrench, for prefastening load
Application and reset when rotation reset tooling.
Further, the reset tooling head edge is evenly equipped with 3 arc-shaped through-holes, under locking state, utilizes the arc
Through-hole attachment screw can will reset tooling and be fixed on upper lid, be limited to resetting tooling, so as to indirectly to dividing valve nut
Rotational freedom is limited；When needing to reset, removable screw, you can rotation resets tooling, and drives and valve nut is divided to rotate, multiple
It is limited again with screw to resetting tooling behind position.
Further, SMA silks, parallel setting two, two SMA work at the same time, and backup each other, and realize driving
The Redundancy Design of element.
Further, the scroll spring, inside and outside both ends are separately fixed on point valve nut and frame, and divide valve spiral shell
Female and frame be divided into the cooperation of the inner ring and outer rings of bearing, therefore in scroll spring outer end movement it is mutual indepedent.
Further, the scroll spring, is made of spring steel, can by designing the thickness and the number of turns of spring steel band
To adjust the lock ring ability of scroll spring.
The present invention compared with prior art, has that release load is big, reliability is high, anti-vibration, shock loading ability are strong
The features such as, it is in particular in several aspects under：
(1) divide valve nut present invention employs segmentation, degree of freedom by bottom cover, scroll spring, reset tooling and
Upper cover Complete Bind can bear big vibration and shock loading, and accidental separation, connection reliability higher will not occur.
(2) present invention releases the constraint of scroll spring, and then open point valve nut by SMA heated shortenings, releases
Amplify bolt, compared to the prior art, drive than higher, under the premise of SMA driving forces are constant, super large release can be provided and carried
Lotus, applicable occasion are more extensive.
(3) present invention employs two parallel SMA as driving element, when needing separation, no matter which root SMA adds
Heat can ensure that king-bolt successfully discharges, and this Redundancy Design improves mechanism release reliability.
(4) entire mechanism of the invention, before scroll spring scatters, there is no do not constrained or constrained halfway portion
Position, and divide between valve nut and lower cover and coordinated by circular conical surface, there is Self-centering Action so that any direction is being born by mechanism
When big vibration and shock loading, component is not had, movement occurs and causes Joint failure, anti-vibration and impact capacity are strong.
(5) there is insulated track protection outside SMA in the present invention, can not only heat be prevented to scatter and disappear, shorten SMA heating and become
The time of shape, moreover it is possible to effectively avoid damage of the external environment to SMA, further improve reliability.
Description of the drawings
Fig. 1 is the overall construction drawing schematic diagram of the present invention；
Fig. 2 is the overall structure sectional view of the present invention；
Fig. 3 is the part-structure vertical view of the present invention；
Fig. 4 divides valve nut structure diagram for the present invention；
Fig. 5 is clamping pin structure schematic diagram of the present invention；
Fig. 6 is the relation curve of scroll spring inner ring stress of the present invention and scroll spring outer diameter.
Reference numeral meaning：1.SMA；2. insulated track；3. resetting spring；4. briquetting；5. bayonet lock；6. frame；7. axis
It holds；8. point valve nut；9. reset tooling；10. scroll spring；11. lower cover；12. upper cover；13. king-bolt；501. shaft；502.
Briquetting mating surface；503. frame mating surfaces；801. hexagon ring；802. upper cover mating surfaces；803. bearing fit faces；804. thin plate knots
Structure；805. split body；806. type conical bench.
Specific embodiment
Below in conjunction with the accompanying drawings, the present invention is further described in detail.
The present invention provides a kind of super large load tripper of SMA driving, and structure is as shown in FIG. 1 to 3.Lower cover 11
Connect with fixed structure, king-bolt 13 is connected with separated structure, king-bolt 13 and divide valve nut 8 using screw thread pair be connected,
Valve nut 8 is divided to lock king-bolt 13 under the package of scroll spring 10, so as to fulfill linkage function；The inner end of scroll spring 10 is consolidated
Be scheduled on point valve nut 8, outer end is connected by pin with frame 6, divide valve nut 8 and frame 6 respectively with the inner ring of bearing 7 and outer
Ring coordinates；The head for resetting tooling 9 is fixed in upper cover 12, and lower part, which is inserted into, to be divided in the hexagon ring of 8 top surface of valve nut；SMA silks 1 one
End is fixed on lower cover 11, and the other end is connected to across insulated track 2 on briquetting 4, is equipped between briquetting 4 and insulated track 2 multiple
Position spring 3.
It is one of connector of the present invention to divide valve nut 8, and Fig. 4 gives its structure diagram.Including hexagon ring 801, on
Lid mating surface 802, bearing fit face 803, thin-slab structure 804, split body 805 and type conical bench 806.Wherein, hexagon ring 801 is used
Coordinate in resetting 9 lower part of tooling, when rotation resets tooling, a point valve nut rotation can be driven, so as to tense scroll spring；Upper cover
Mating surface 802 coordinates with upper cover 12；Bearing fit face 803 and the inner ring of bearing 7 coordinate；The number of split body 805 is 3 or 4
(provided in figure be 4 split bodies scheme), the structure of each valve is all identical, and it is a cylinder to piece together, cylinder appearance
Locking is wrapped up in face by scroll spring 10, and the screw thread on inner surface can coordinate with king-bolt 13；Thin-slab structure 804 circumferentially uniformly divides
Cloth, number are matched with the number of split body 805, have the trend opened outside, when releasing the constraint of scroll spring 10, thin-slab structure
804 can drive split body 805 to be flared out；Type conical bench 806 is under split body 805, the circular conical surface and lower cover of bottom surface
Cooperation has Self-centering Action, improves the ability of shock resistance and vibration.
Clamping pin structure is the significant components in present invention constraint system, and entire clamping pin structure is actually made of two parts,
That is spindle portion and latch body part.According to orientation shown in fig. 5, latch body part left end is equipped with through-hole, and shaft 501 is pacified
In the through hole, latch body part can 501 rotation around the shaft for dress；Under locking state, briquetting mating surface 502 is contacted with briquetting 4,
Frame mating surface 503 is contacted with frame 6, and bayonet lock 5 is balanced in the collective effect lower stress of briquetting 4 and frame 6, remains stationary；Point
From when, briquetting 4 by SMA driving and move, constraint is lost in briquetting mating surface 502, leads to 5 disequilibrium of bayonet lock, around
Shaft 501 rotates, and thus releases position-limiting action of the bayonet lock 5 to frame 6.
Scroll spring 10 is the fastener of the present invention, is wrapped in realize the fastening to king-bolt 13 outside point valve nut 8,
Inside and outside both ends are separately fixed on point valve nut 8 and frame 6, and divide valve nut 8 and frame 6 is divided into inner and outer ring not with bearing 7
Cooperation so that the movement at 10 both ends of scroll spring is mutual indepedent.The Main Load that scroll spring 10 is born in work, from point
The pressure from inside to outside that valve nut 8 acts on it, the stress of innermost circle are maximum (abbreviation inner ring stress).Scroll spring 10
Design parameter include the number of turns and thickness of strips, the two parameters with the outer diameter positive correlation of scroll spring.In practical application, parameter
Concrete numerical value, can be determined according to the relationship of analysis inner ring stress-spring outer diameter.Due to integrally being seen after scroll spring banding
Carry out approximate disk-like structure, so being seen as the hollow disk of equal thickness, and solved according to stress method.Through analysis, whirlpool
The inner ring stress and the relation curve of its outer diameter of coil spring 10 are as shown in Figure 6.Preferably, the material selection 65Mn of scroll spring 10
Spring steel, thickness of strips 0.2mm, the number of turns are 8 circles, and such design can obtain best locking property.
The course of work of the present invention is as follows：
The complete course of work of mechanism of the present invention includes locking, separation, resets three phases.During locking, frame 6 is pressed
The constraint system limiting that block 4 and bayonet lock 5 form, the inside and outside both ends of scroll spring 10 are restrained, a point valve nut 8 wrapped, so as to lock
Tight king-bolt 13, realizes the connection of fixed structure and separated structure.It during separation, is powered to SMA silks 1, it is made to be heated and is undergone phase transition
And shrink, driving briquetting 4 moves, and the limiting to bayonet lock 5 is released, and then frame 6 is made to lose constraint, in the reply of scroll spring 10
Under power effect, frame 6 follows 10 outer end of scroll spring to rotate together, and scroll spring 10 scatters, and divides the split body of 8 lower part of valve nut
805 open under the drive of thin-slab structure 804, and king-bolt 13 is released, and completes separation.During reset, rotating frame 6 returns bayonet lock 5
Position, briquetting 4 return to constrained under the action of 3 elastic force of resetting spring, and the outer end of scroll spring 10 is again restrained, at this moment revolves
Turn to reset tooling 9, drive and divide the inner ends thereof of valve nut 8 and scroll spring 10, scroll spring 10 is tightened up and wraps point again
Valve nut 8, reset are completed, and reenter locking state.
Additionally, it is appreciated that discrete thin-slab structure 804 belongs to the elastic element of spring steel plate class, can also be used certainly
Well known other elastic elements replace；The material and parameter of scroll spring 10, can also be adjusted as needed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (12)
1. a kind of super large load tripper of SMA driving, which is characterized in that including：SMA (1), insulated track (2) are answered
Position spring (3), bayonet lock (5), frame (6), bearing (7), divides valve nut (8), resets tooling (9), scroll spring briquetting (4)
(10), lower cover (11), upper cover (12), king-bolt (13)；Wherein, divide valve nut (8) and king-bolt (13) is connector, scrollwork bullet
Spring (10) is fastener, and SMA (1) are the driving elements of separation；Lower cover (11) is connect with fixed structure, and king-bolt (13) is with dividing
It is connected from structure, king-bolt (13) divides valve nut (8) in scroll spring with valve nut (8) is divided to be connected using screw thread pair
(10) king-bolt (13) is locked under package；Scroll spring (10) inner end is fixed on point valve nut (8), outer end and frame (6)
It is connected, valve nut (8) and frame (6) is divided to coordinate respectively with the inner ring and outer rings of bearing (7), makes point valve nut (8) interior outer end
Movement is mutual indepedent；The head for resetting tooling (9) is fixed in upper cover (12), and the hexagonal for dividing valve nut (8) top surface is inserted into lower part
In hole；SMA (1) one end are fixed on lower cover (11), and the other end is connected to across insulated track (2) on briquetting (4), briquetting
(4) resetting spring (3) is equipped between insulated track (2)；
When mechanism locks, frame (6) is limited by the constraint system that briquetting (4) and bayonet lock (5) form, and inside and outside the two of scroll spring (10)
End is restrained, makes point valve nut (8) locking king-bolt (13)；
It during separation, is powered to SMA (1), it is made to be heated and undergoes phase transition and shrinks, driving briquetting (4) is mobile, releases to bayonet lock
(5) limiting loses the frame (6) of constraint under the effect of scroll spring (10) restoring force, with scroll spring (10) outer end
Rotation, scroll spring (10) scatter, and valve nut (8) is divided to open, release king-bolt (13), the separation of implementation mechanism；
When needing to reset, rotating frame (6) makes bayonet lock (5) playback, and briquetting (4) returns under the action of resetting spring (3) elastic force
Constrained, the outer end of scroll spring (10) is again restrained, at this moment spinning reduction tooling (9), and drive divides valve nut (8) and whirlpool
Coil spring (10) inner ends thereof, scroll spring (10) retighten and wrap a point valve nut (8), and mechanism is made to lock again.
2. the super large load tripper of SMA driving according to claim 1, which is characterized in that described to divide valve nut
(8), it is made of elastic material.
3. the super large load tripper of SMA driving according to claim 1, which is characterized in that described to divide valve nut
(8), top center is equipped with hex hole, coordinates with resetting tooling (9).
4. the super large load tripper of SMA driving according to claim 1, which is characterized in that described to divide valve nut
(8), outer surface of upper is stepped, coordinates with upper cover (12) and bearing (7) inner ring.
5. the super large load tripper of SMA driving according to claim 1, which is characterized in that described to divide valve nut
(8), lower part be several split bodies, piece together be a bottom belt type conical bench cylinder, cylindrical outer surface is by scrollwork bullet
Spring package locking, inner surface are equipped with the screw thread coordinated with king-bolt (13).
6. the super large load tripper of SMA driving according to claim 5, which is characterized in that described to divide valve nut
(8) the split body number of lower part, can be set as 3 or 4.
7. the super large load tripper of SMA driving according to claim 5, which is characterized in that described to divide valve nut
(8) type conical bench of lower part, bottom surface are circular conical surface, are coordinated with lower cover.
8. the super large load tripper of SMA driving according to claim 1, which is characterized in that described to divide valve nut
(8), middle part is several thin-slab structures, and the number of thin-slab structure is corresponding with split body number, has the trend opened outside.
9. the super large load tripper of SMA driving according to claim 1, which is characterized in that the reset tooling
(9), head center is equipped with hexagon ring, coordinates with allen wrench.
10. the super large load tripper of SMA driving according to claim 1, which is characterized in that the reset tooling
(9), uniformly there are three arc-shaped through-holes for head edge.
11. the super large load tripper of SMA driving according to claim 1, which is characterized in that SMA described
(1), parallel setting two, two SMA work at the same time, and backup each other.
12. the super large load tripper of SMA driving according to claim 1, which is characterized in that the scroll spring
(10), material selection 65Mn spring steel, the thickness of steel band is 0.2mm, and the number of turns is 8 circles.
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| CN201810132822.3A CN108190051A (en) | 2018-02-09 | 2018-02-09 | A kind of super large load tripper of SMA driving |
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| CN201810132822.3A CN108190051A (en) | 2018-02-09 | 2018-02-09 | A kind of super large load tripper of SMA driving |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109050991A (en) * | 2018-09-17 | 2018-12-21 | 哈尔滨工业大学 | Spacecraft radial locking-type capture lock and its working method |
| CN109774985A (en) * | 2019-01-15 | 2019-05-21 | 哈尔滨工程大学 | A kind of Connection Release mechanism of big stroke big load marmem driving |
| CN109896052A (en) * | 2019-02-28 | 2019-06-18 | 哈尔滨工业大学 | A kind of flywheel nut unlocking separation mechanism driven using SMA |
| CN110654576A (en) * | 2018-06-29 | 2020-01-07 | 哈尔滨工业大学 | Space unlocking device driven by SMA wire |
| CN111453001A (en) * | 2019-01-23 | 2020-07-28 | 哈尔滨工业大学 | Connecting and unlocking mechanism driven by shape memory alloy spring |
| CN111547277A (en) * | 2020-05-25 | 2020-08-18 | 中国科学院空间应用工程与技术中心 | Automatic locking and releasing mechanism with limiting function and locking and releasing operation method |
| CN112027122A (en) * | 2020-09-16 | 2020-12-04 | 电子科技大学 | Locking release based on SMA |
| CN113212810A (en) * | 2021-04-30 | 2021-08-06 | 北京吾天科技有限公司 | Pressing and releasing device of folding solar wing |
| CN113636110A (en) * | 2021-07-23 | 2021-11-12 | 北京空间飞行器总体设计部 | Spiral separation mechanism |
| CN113955155A (en) * | 2021-10-26 | 2022-01-21 | 北京微纳星空科技有限公司 | Split nut type unlocking and releasing device and reusable unlocking and releasing device |
| CN113983144A (en) * | 2021-09-24 | 2022-01-28 | 北京航空航天大学 | Space shafting becomes preloading mechanism based on SMA silk and spiral friction is vice |
| CN114194422A (en) * | 2021-12-19 | 2022-03-18 | 北京灵翼航宇科技有限公司 | Retracting avoiding type locking and releasing device |
| CN114194421A (en) * | 2021-12-03 | 2022-03-18 | 北京灵翼航宇科技有限公司 | Holding claw type locking and separating mechanism |
| CN114229046A (en) * | 2021-12-14 | 2022-03-25 | 哈尔滨工业大学 | Separating nut unlocking mechanism driven by SMA wire |
| CN114321131A (en) * | 2021-11-30 | 2022-04-12 | 上海卫星装备研究所 | Electric screw pair locking device for space load deflection |
| WO2024060313A1 (en) * | 2022-09-21 | 2024-03-28 | 北京航空航天大学 | Sma-wire-driven reusable release mechanism with self-resetting function |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248233A (en) * | 1992-09-25 | 1993-09-28 | Webster Richard G | No-shock separation mechanism |
| JP2000082546A (en) * | 1998-09-07 | 2000-03-21 | Komine Musen Denki Kk | Sma connector |
| CN102788537A (en) * | 2012-08-16 | 2012-11-21 | 北京航空航天大学 | Fuse SMA (shape memory alloy) wire space connecting and disconnecting mechanism |
| CN104454415A (en) * | 2014-12-10 | 2015-03-25 | 北京航空航天大学 | Brake cable type shape memory alloy driver |
-
2018
- 2018-02-09 CN CN201810132822.3A patent/CN108190051A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5248233A (en) * | 1992-09-25 | 1993-09-28 | Webster Richard G | No-shock separation mechanism |
| JP2000082546A (en) * | 1998-09-07 | 2000-03-21 | Komine Musen Denki Kk | Sma connector |
| CN102788537A (en) * | 2012-08-16 | 2012-11-21 | 北京航空航天大学 | Fuse SMA (shape memory alloy) wire space connecting and disconnecting mechanism |
| CN104454415A (en) * | 2014-12-10 | 2015-03-25 | 北京航空航天大学 | Brake cable type shape memory alloy driver |
Non-Patent Citations (1)
| Title |
|---|
| 姜晗: "基于涡卷弹簧缠绕自锁性能的锁紧释放装置研制", 《哈尔滨工业大学硕士论文》 * |
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| CN110654576A (en) * | 2018-06-29 | 2020-01-07 | 哈尔滨工业大学 | Space unlocking device driven by SMA wire |
| CN110654576B (en) * | 2018-06-29 | 2022-12-13 | 哈尔滨工业大学 | Space unlocking device driven by SMA wire |
| CN109050991A (en) * | 2018-09-17 | 2018-12-21 | 哈尔滨工业大学 | Spacecraft radial locking-type capture lock and its working method |
| CN109774985A (en) * | 2019-01-15 | 2019-05-21 | 哈尔滨工程大学 | A kind of Connection Release mechanism of big stroke big load marmem driving |
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| CN111453001B (en) * | 2019-01-23 | 2021-01-05 | 哈尔滨工业大学 | Connecting and unlocking mechanism driven by shape memory alloy spring |
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| CN111547277A (en) * | 2020-05-25 | 2020-08-18 | 中国科学院空间应用工程与技术中心 | Automatic locking and releasing mechanism with limiting function and locking and releasing operation method |
| CN112027122B (en) * | 2020-09-16 | 2022-03-01 | 电子科技大学 | Locking release based on SMA |
| CN112027122A (en) * | 2020-09-16 | 2020-12-04 | 电子科技大学 | Locking release based on SMA |
| CN113212810A (en) * | 2021-04-30 | 2021-08-06 | 北京吾天科技有限公司 | Pressing and releasing device of folding solar wing |
| CN113636110A (en) * | 2021-07-23 | 2021-11-12 | 北京空间飞行器总体设计部 | Spiral separation mechanism |
| CN113636110B (en) * | 2021-07-23 | 2023-04-14 | 北京空间飞行器总体设计部 | Spiral separation mechanism |
| CN113983144A (en) * | 2021-09-24 | 2022-01-28 | 北京航空航天大学 | Space shafting becomes preloading mechanism based on SMA silk and spiral friction is vice |
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| CN114229046A (en) * | 2021-12-14 | 2022-03-25 | 哈尔滨工业大学 | Separating nut unlocking mechanism driven by SMA wire |
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Application publication date: 20180622 |