CN203381788U - Controlled unlocking device based on shape memory alloy spring - Google Patents
Controlled unlocking device based on shape memory alloy spring Download PDFInfo
- Publication number
- CN203381788U CN203381788U CN201320201223.5U CN201320201223U CN203381788U CN 203381788 U CN203381788 U CN 203381788U CN 201320201223 U CN201320201223 U CN 201320201223U CN 203381788 U CN203381788 U CN 203381788U
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- cylinder body
- memory alloy
- shape memory
- release
- controlled
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- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 claims description 18
- 239000011148 porous material Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000956 alloy Substances 0.000 abstract description 4
- 230000006378 damage Effects 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002360 explosive Substances 0.000 description 6
- 230000000994 depressogenic effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000012781 shape memory material Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model discloses a controlled unlocking device based on a shape memory alloy spring. The controlled unlocking device comprises a double-layer cylinder and an unlocking device arranged in the double-layer cylinder, wherein the double-layer cylinder comprises an actuation cylinder and an unlocking cylinder; a communicating wall is arranged between the actuation cylinder and the unlocking cylinder; the unlocking device comprises a separating piece joint, an elastic unlocking mechanism and a linkage mechanism; the separating piece joint is slidably arranged in the actuation cylinder; the elastic unlocking mechanism is arranged in the unlocking cylinder; the linkage mechanism is arranged between the separating piece joint and the elastic unlocking mechanism; the elastic unlocking mechanism is mainly composed of a spring which is made of a shape memory alloy material. The controlled unlocking device adopting the shape memory alloy spring can be precisely controlled and reliably work; the unlocking state and the locking state can be switched; the repeated use is realized; no damage exists in the structure of the unlocking device; thus the adverse effect of the unlocking device on aerospace equipment is reduced to minimum.
Description
Technical field
The utility model relates to a kind of controlled tripper of applying aerospace field, relates in particular to a kind of by the spring driven controlled tripper of marmem material.
Background technology
Tripper and technology thereof are widely applied at space industry, and the unlocking manner used at present is the master mainly with the blast form.Explosive bolt for example, explosive and firing unit are equipped with in explosive bolt inside, and when separating, explosive is detonated, and shearing lock is cut off or weakened groove along bolt to disconnect.The groundwork of explosive bolt is by the destruction to fastener, realizes removing the constraint of movable parts, makes movement parts move by preset procedures, thereby realizes release.If the explosive bolt design is proper with use, can there is stable Reliability of Microprocessor, if design will likely have an immense impact on to adjacent member and function device with the remains that use improper blast to produce and impact, this not only can reduce reliability and the life-span of spacecraft, and even makes the spacecraft afunction.Simultaneously, the blast unlocking manner has irreversible and unrepeatable shortcoming, has also hindered the development of spacecraft.
Summary of the invention
technical matters
The technical problems to be solved in the utility model is to provide a kind of existing unlocking manner that is different from, and utilizes the physical property of marmem, and realizes the device of controlled release in conjunction with corresponding chain mechanical mechanism.
technical scheme
In order to solve above-mentioned technical matters, controlled tripper based on marmem of the present utility model, comprise double-deck cylinder body and be arranged at the tripper in double-deck cylinder body, wherein, described double-deck cylinder body comprises start cylinder body and release cylinder body, between start cylinder body and release cylinder body, is provided with and is communicated with wall; Described tripper comprises the release piece joint of being located at slidably in the start cylinder body, the elastic solution latch mechanism of being located at the release cylinder body, and be located at the link gear between release piece joint and elastic solution latch mechanism, described elastic solution latch mechanism is when released state, and link gear triggers and makes the release piece joint leave initial position and makes controlled solution pin assembly in released state.
Further, described link gear comprises elastomeric stopper and metal ball body, described elastomeric stopper is located at the release piece joint and is communicated with between wall, the fixed end of described elastomeric stopper is fixed on and is communicated with on wall, and the elastic free end of elastomeric stopper is placed in the first sunk area on the release piece joint; The described elastic solution latch mechanism of being located at the release cylinder body comprises preloading spring, piston slider, multi-functional column body and shape memory alloy spring, described preloading spring is set on the supporter of piston slider, two ends respectively with the inner end surface of release cylinder body and the backstop end contact of piston slider; Described piston slider is provided with the second sunk area near a side that is communicated with wall; Described connection wall is provided with an intercommunicating pore, and described metal ball body is contained in intercommunicating pore, and between the side stop surface of the elastic free end of elastomeric stopper and piston slider; Described shape memory alloy spring is sheathed on the guide pillar of multi-functional column body; The guide pillar of described multi-functional column body is hollow structure, and inside is provided with electro-heat equipment, and described exothermic body bottom is fixed on the fixed end of multi-functional column body, and described fixed end is connected with the sealing extremity piece of release cylinder body bottom.
Further, in multi-functional column body, described electro-heat equipment has at least two independently heat-generating pipes.
Further, controlled tripper of the present utility model also comprises the temperature sensor be connected with described heat-generating pipe, and described temperature sensor is connected with power supply by temperature controller, and described power supply is controlled its break-make by the switch that controlled by central controller.
beneficial effect
The alloy spring that controlled tripper of the present utility model adopts shape-memory material to make can be accurately controlled, reliable operation; Its released state and lock-out state are changeable, reusable, and to itself structure without destructiveness, thereby tripper is reduced to minimum degree to the adverse effect of aerospace equipment.
The accompanying drawing explanation
Fig. 1 is the controlled tripper structural representation of an embodiment of the utility model, is shown as lock-out state;
Fig. 2 is the controlled tripper structural representation of released state;
Fig. 3 is the structural representation of multi-functional column body and heating arrangement thereof;
Fig. 4 is that the A-A of Fig. 3 is to schematic diagram;
Fig. 5 is the piston slider structural representation;
Fig. 6 is shape memory alloy spring schematic diagram (in figure only display part separation structure);
Fig. 7 is release cylinder part schematic diagram.
description of reference numerals:
1 multi-functional column body
11 heat-generating pipes
12 guide pillars
13 multi-functional column body lower support faces
14 bolts hole
15 fixed ends
16 electro-heat equipments
17 sealing extremity pieces
18 bolts
2 shape memory alloy springs
21 shape memory alloy spring first ends
22 shape memory alloy spring the second ends
3 piston sliders
31 interior guide pin bushings
32 side stop surfaces
33 second sunk areas
34 backstop end faces
Stop surface under 35 piston sliders
36 supporters
4 preloading springs
5 elastomeric stopper
51 fixed ends
52 elastic free ends
6 metal ball body
7 release piece joints
71 first sunk areas
8 double-deck cylinder bodies
81 start cylinder bodies
82 release cylinder bodies
84 inner end surfaces
86 are communicated with wall
861 intercommunicating pores
The specific embodiment
Below with reference to accompanying drawing, the utility model is further described.
As shown in Figure 1 and Figure 2, the controlled tripper based on marmem of the present embodiment comprises double-deck cylinder body 8 and is arranged at the tripper in double-deck cylinder body 8, wherein, described double-deck cylinder body 8 comprises start cylinder body 81 and release cylinder body 82, between start cylinder body 81 and release cylinder body 82, is provided with and is communicated with wall 86; Described tripper comprises the release piece joint 7 of being located at slidably in start cylinder body 81, the elastic solution latch mechanism of being located at release cylinder body 82, and be located at the link gear between release piece joint 7 and elastic solution latch mechanism, described elastic solution latch mechanism is when released state, and link gear triggers and makes release piece joint 7 leave initial position and makes controlled tripper in released state.
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 7, described link gear comprises elastomeric stopper 5 and metal ball body 6, described elastomeric stopper 5 is located at release piece joint 7 and is communicated with between wall 86, the fixed end 51 of described elastomeric stopper 5 is fixed on and is communicated with on wall 86, and the elastic free end 52 of elastomeric stopper 5 is placed in the first sunk area 71 on release piece joint 7; The described elastic solution latch mechanism of being located at release cylinder body 82 comprises preloading spring 4, piston slider 3, multi-functional column body 1 and shape memory alloy spring 2, described preloading spring 4 is set on the supporter 36 of piston slider 3, and two ends contact with the inner end surface 84 of release cylinder body 82 and the backstop end face 34 of piston slider 3 respectively; Described piston slider 3 is provided with the second sunk area 33 near a side that is communicated with wall 86; Described connection wall 86 is provided with an intercommunicating pore 861, and described metal ball body 6 is contained in intercommunicating pore 861, and between the side stop surface 32 of the elastic free end 52 of elastomeric stopper 5 and piston slider 3; Described shape memory alloy spring 2 is sheathed on the guide pillar 12 of multi-functional column body 1; The guide pillar 12 of described multi-functional column body 1 is hollow structure, and inside is provided with electro-heat equipment 16, and described exothermic body 16 bottoms are fixed on the fixed end 15 of multi-functional column body 1, and described fixed end 15 is connected with the sealing extremity piece 17 of release cylinder body 82 bottoms.
More specifically, in the controlled tripper based on marmem of the present embodiment, each parts assembly relation and working process are as follows:
Shape memory alloy spring 2 is set on the guide pillar 12 of multi-functional column body 1, and shape memory alloy spring first end 21 is subject to stop surface 35 stops under piston slider, and shape memory alloy spring the second end 22 is supported by multi-functional column body lower support face 13.The depressed part inside face of piston slider 3 is interior guide pin bushing 31, the depressed part outside face is side stop face 32, the district that holds that the second sunk area 33 places of depressed part outside face are metal ball body 6, the baffle element that the non-inner sunken face position, top of the second sunk area 33 outside faces is metal ball body 6 (being side stop face 32); Preloading spring 4 is set on the supporter 36 of piston slider 3, and preloading spring 4 tops are subject to inner end surface 84 stops of double-deck cylinder body 8, and lower end is supported by the backstop end face 34 of piston slider 3; The lower ending opening place of release cylinder body 82 is by 17 sealings of sealing extremity piece, and it is connected with release cylinder body 82 by bolt 18.
Under the instruction of switch at central controller of power supply, be switched on, electro-heat equipment 16 will be heated to rapidly assigned temperature; Shape memory alloy spring 2, by the long action of rising, promotes the predetermincd tension that piston slider 3 overcomes preloading spring 4, moves under the double constraints of side stop surface 32 and interior guide pin bushing 31; Under the prerequisite that is not occurring to break away from guide pillar 12 and interior guide pin bushing 31, the amount of movement of design can be the baffle element of metal ball body 6 just that backstop end face 34 is removed fully, and metal ball body 6 is exposed from the second sunk area 33; Elastomeric stopper 5 promotes metal ball body 6 and enters into the designed inner sunken face place of the second sunk area 33 of the metal ball body 6 in release cylinder body 82 by the linked hole 861 of the inner UNICOM of twin-tub 8 start cylinder body 81 and release cylinder body 82, and the at this moment constraint of release piece joint 7 is all removed.
Under the instruction of switch at central controller of power supply, be disconnected, electro-heat equipment 16 descends temperature, when reaching assigned temperature, shape memory alloy spring 2 will occur under reach, preloading spring 4 promotes piston slider 3 and overcomes the pressure gradually reduced that shape memory alloy spring 2 has, and under the double constraints of guide pillar 12 and interior guide pin bushing 31, moves down; The gap of guide pillar 12 in interior guide pin bushing 31 also reduces gradually, the baffle element of metal ball body 6 (being side stop face 32) return, make metal ball body 6 be pushed into the second sunk area 33, metal ball body 6 is got back to the first sunk area 71 places of the residing release piece joint 7 of elastomeric stopper 5 elastic free end 52 by intercommunicating pore 861, at this moment release piece joint 7 is locked by metal ball body 6.
As shown in Figure 3, Figure 4, in multi-functional column body 1, described electro-heat equipment 16 has at least two independently heat-generating pipes 11.
As shown in Figure 3, the present embodiment also comprises the temperature sensor be connected with described heat-generating pipe 11, and described temperature sensor is connected with power supply by temperature controller, and described power supply is controlled by the switch that controlled by central controller.
As shown in Figure 6, shape memory alloy spring 2 for substantially preparing material, is fixed as large spacing spiral fashion by special fixtures with thread shape memory alloy material.With middle temperature heating process typing.By shape-memory alloy wire along unit clamp thread surface wire-wound on fixture, and at two ends, give fastening.Shape-memory alloy wire is put into to high temperature furnace together with fixture, keeps 1 ~ 3 hour with 400 ~ 500 ℃, and with stove cooling or oil quenching.Shape memory alloy material after typing, from fixture takes off, is clipped to two ends for fixing part, obtain the finished product of shape memory alloy spring.
By changing the shape that is in contact with one another part of movable parts, the solution pin assembly of the present embodiment can be realized the release action under the Various Complex condition, includes, but are not limited to following several:
Unconditional release: under the complete heated condition of release mechanism, there is not any movement limit in 5 pairs of release piece joints 7 of elastic stopping parts.
The release of having ready conditions: under the complete heated condition of release mechanism, still there is the componental movement restriction in 5 pairs of release piece joints 7 of elastic stopping parts, but under certain condition, release piece joint 7 can complete release by forcing elastic stopping parts 5 to produce elasticity shape, and 5 not being damaged property impacts of body structure of elastic stopping parts.
Allow to reenter lock: complete releasing process, release piece joint 7 has moved out after cylinder body fully, meeting under some condition (such as reentering lock speed etc., the heated condition of unlocking structure etc.), release piece joint 7 can reach latched position under the prerequisite of structural damage not, and at unlocking structure again during the state in non-heating, can again be locked fully, structure is got back to initial confined state fully.
Do not allow to reenter lock: release piece joint 7 can't reach latched position, even or arrived latched position, no matter whether release mechanism is under incentive condition, and the release piece joint 7 can be by again not locked yet.
Claims (4)
1. the controlled tripper based on shape memory alloy spring, it is characterized in that, comprise double-deck cylinder body (8) and be arranged at the tripper in double-deck cylinder body (8), wherein, described double-deck cylinder body (8) comprises start cylinder body (81) and release cylinder body (82), between start cylinder body (81) and release cylinder body (82), is provided with and is communicated with wall (86); Described tripper comprises the release piece joint (7) of being located at slidably in start cylinder body (81), the elastic solution latch mechanism of being located at release cylinder body (82), and be located at the link gear between release piece joint (7) and elastic solution latch mechanism, described elastic solution latch mechanism is when released state, and link gear triggers and makes release piece joint (7) leave initial position and makes controlled solution pin assembly in released state.
2. the controlled tripper based on shape memory alloy spring as claimed in claim 1, it is characterized in that, described link gear comprises elastomeric stopper (5) and metal ball body (6), described elastomeric stopper (5) is located at release piece joint (7) and is communicated with between wall (86), the fixed end (51) of described elastomeric stopper (5) is fixed on and is communicated with wall (86) above, and the elastic free end (52) of elastomeric stopper (5) is placed in the first sunk area (71) on release piece joint (7); The described elastic solution latch mechanism of being located at release cylinder body (82) comprises preloading spring (4), piston slider (3), multi-functional column body (1) and shape memory alloy spring (2), described preloading spring (4) is set on the supporter (36) of piston slider (3), and two ends contact with the inner end surface (84) of release cylinder body (82) and the backstop end face (34) of piston slider (3) respectively; Described piston slider (3) is provided with the second sunk area (33) near a side that is communicated with wall (86); Described connection wall (86) is provided with an intercommunicating pore (861), and described metal ball body (6) is contained in intercommunicating pore (861), and is positioned between the side stop surface (32) of the elastic free end (52) of elastomeric stopper (5) and piston slider (3); Described shape memory alloy spring (2) is sheathed on the guide pillar (12) of multi-functional column body (1); The guide pillar (12) of described multi-functional column body (1) is hollow structure, inside is provided with electro-heat equipment (16), described exothermic body (16) bottom is fixed on the fixed end (15) of multi-functional column body (1), and described fixed end (15) is connected with the sealing extremity piece (17) of release cylinder body (82) bottom.
3. the controlled tripper based on shape memory alloy spring as claimed in claim 2, is characterized in that, in multi-functional column body (1), described electro-heat equipment (16) has at least two independently heat-generating pipes (11).
4. the controlled tripper based on shape memory alloy spring as claimed in claim 3, it is characterized in that, also comprise the temperature sensor be connected with described heat-generating pipe (11), described temperature sensor is connected with power supply by temperature controller, and described power supply is controlled by the switch that controlled by central controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320201223.5U CN203381788U (en) | 2013-04-19 | 2013-04-19 | Controlled unlocking device based on shape memory alloy spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320201223.5U CN203381788U (en) | 2013-04-19 | 2013-04-19 | Controlled unlocking device based on shape memory alloy spring |
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| Publication Number | Publication Date |
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| CN203381788U true CN203381788U (en) | 2014-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320201223.5U Expired - Fee Related CN203381788U (en) | 2013-04-19 | 2013-04-19 | Controlled unlocking device based on shape memory alloy spring |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231814A (en) * | 2013-04-19 | 2013-08-07 | 南京航空航天大学 | Controllable unlocking device based on shape memory alloy spring |
| CN104085540A (en) * | 2014-07-07 | 2014-10-08 | 中国科学院长春光学精密机械与物理研究所 | Unlocking device made of shape memory material |
| CN104103459A (en) * | 2014-07-23 | 2014-10-15 | 贵州航天电器股份有限公司 | Trigger device for battery cell bypass and bypass system with trigger device |
| CN104535100A (en) * | 2014-12-30 | 2015-04-22 | 中国科学院长春光学精密机械与物理研究所 | Space optical remote sensor installation support on-orbit unlocking device |
| CN106312909A (en) * | 2016-10-28 | 2017-01-11 | 哈尔滨工业大学 | SMA wire driven pin puller |
| CN108779638A (en) * | 2016-02-05 | 2018-11-09 | 保力集团有限责任公司 | For connection structure component connector, be provided with the truss of connector with and related methods and purposes |
| CN109050987A (en) * | 2018-08-08 | 2018-12-21 | 上海宇航系统工程研究所 | One discharge plate chain type satellite and the rocket connection solution lock machine |
| CN110439884A (en) * | 2018-05-02 | 2019-11-12 | 长春理工大学 | A kind of repeatable locking axial locking structure using memorial alloy |
| CN111434932A (en) * | 2019-01-11 | 2020-07-21 | 北京吾天科技有限公司 | Memory alloy connecting and separating device suitable for axial space limitation |
| CN112660427A (en) * | 2020-11-30 | 2021-04-16 | 上海航天控制技术研究所 | Deep space exploration separation monitoring satellite unlocking device |
-
2013
- 2013-04-19 CN CN201320201223.5U patent/CN203381788U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103231814A (en) * | 2013-04-19 | 2013-08-07 | 南京航空航天大学 | Controllable unlocking device based on shape memory alloy spring |
| CN104085540A (en) * | 2014-07-07 | 2014-10-08 | 中国科学院长春光学精密机械与物理研究所 | Unlocking device made of shape memory material |
| CN104103459A (en) * | 2014-07-23 | 2014-10-15 | 贵州航天电器股份有限公司 | Trigger device for battery cell bypass and bypass system with trigger device |
| CN104535100A (en) * | 2014-12-30 | 2015-04-22 | 中国科学院长春光学精密机械与物理研究所 | Space optical remote sensor installation support on-orbit unlocking device |
| CN104535100B (en) * | 2014-12-30 | 2017-06-09 | 中国科学院长春光学精密机械与物理研究所 | A kind of in-orbit tripper of space optical remote sensor erection support |
| CN108779638A (en) * | 2016-02-05 | 2018-11-09 | 保力集团有限责任公司 | For connection structure component connector, be provided with the truss of connector with and related methods and purposes |
| CN106312909A (en) * | 2016-10-28 | 2017-01-11 | 哈尔滨工业大学 | SMA wire driven pin puller |
| CN110439884A (en) * | 2018-05-02 | 2019-11-12 | 长春理工大学 | A kind of repeatable locking axial locking structure using memorial alloy |
| CN109050987A (en) * | 2018-08-08 | 2018-12-21 | 上海宇航系统工程研究所 | One discharge plate chain type satellite and the rocket connection solution lock machine |
| CN111434932A (en) * | 2019-01-11 | 2020-07-21 | 北京吾天科技有限公司 | Memory alloy connecting and separating device suitable for axial space limitation |
| CN111434932B (en) * | 2019-01-11 | 2021-05-07 | 北京吾天科技有限公司 | Memory alloy connecting and separating device suitable for axial space limitation |
| CN112660427A (en) * | 2020-11-30 | 2021-04-16 | 上海航天控制技术研究所 | Deep space exploration separation monitoring satellite unlocking device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20150419 |
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| EXPY | Termination of patent right or utility model |