CN203461146U - Clamping slot type controllable unlocking device - Google Patents
Clamping slot type controllable unlocking device Download PDFInfo
- Publication number
- CN203461146U CN203461146U CN201320412646.1U CN201320412646U CN203461146U CN 203461146 U CN203461146 U CN 203461146U CN 201320412646 U CN201320412646 U CN 201320412646U CN 203461146 U CN203461146 U CN 203461146U
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- Prior art keywords
- cylinder body
- shape memory
- memory alloy
- alloy spring
- tripper
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- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 36
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000010438 heat treatment Methods 0.000 claims description 28
- 238000004904 shortening Methods 0.000 claims description 6
- 230000002441 reversible effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 2
- 230000033001 locomotion Effects 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000000926 separation method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- VAYOSLLFUXYJDT-RDTXWAMCSA-N Lysergic acid diethylamide Chemical class C1=CC(C=2[C@H](N(C)C[C@@H](C=2)C(=O)N(CC)CC)C2)=C3C2=CNC3=C1 VAYOSLLFUXYJDT-RDTXWAMCSA-N 0.000 description 1
- 238000005760 Tripper reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013270 controlled release Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a clamping slot type controllable unlocking device. The device comprises a separated part and an unlocking device body, wherein the unlocking device body drives the separated part to generate displacement. The unlocking device body comprises an accommodating cylinder body and an unlocking driving device which is arranged in the accommodating cylinder body. The unlocking driving device is mainly composed of a shape memory alloy spring and a clamping buckle and clamping slot structure. According to the utility model, the shape memory alloy spring which is capable of reversibly and repeatedly working drives a clamping buckle to move to control the self locking and unlocking of the separated part, and therefore the separated part can be quickly and accurately separated from a separating part under various working conditions. At the same time, the unlocking device is simple in structure, flexible in movement, convenient to use and maintain, free of pollution, and capable of being cyclically and repeatedly utilized. Besides, the reliability and stability of the unlocking device are improved; the service life of the unlocking device is prolonged; and the development of space vehicles is promoted.
Description
Technical field
The utility model relates to a kind of controlled tripper, and especially a kind of controlled tripper that adopts marmem to drive, belongs to mechanical engineering and intellectual material application branch of learning field.
Background technology
space industry often need to adopt some trippers to control the separation of spacecraft internal mechanism, and in separation process, the quality of tripper performance is directly connected to the success or failure of spacecraft flight task.Therefore be applied to must to guarantee before the tripper separation of space industry between separated parts and separating component be connected reliable and in a kind of self-locking state; When separation, guarantee the reliable separation of separated parts and separating component, and guarantee in separation process or after separating does not affect the follow-up work of space structure.In prior art, the normal tripper adopting is main mainly with blast unlocking manner, Fig. 1 is a kind of weakening slot type explosive bolt in prior art, mainly by exploding fuse 11, the body of bolt 12, explosive 13, the first connected piece 14, weakening groove 15, the second connected piece 16, formed, when exploding fuse 11 obtains the explosive 13 that pumping signal is ignited the body of bolt 12 inside, the interior internal pressure of the body of bolt 12 that can make that the explosive 13 being detonated produces raises, force the body of bolt 12 weakening groove 15 places fracture, thereby realize the separated of the first connected piece 14 and the second connected piece 16.The explosion product that the tripper of this kind of structure produces at explosion time can overflow from burbling area, and blast can produce fragment, equipment or environment around caused to pollution to a certain degree, serious likely can have influence on the follow-up work of spacecraft, secondly this kind of unlocking manner of the prior art is that disposable mechanism can not repeatedly utilize, and causes unnecessary energy dissipation and 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 controlled tripper based on shape memory alloy material, and this controllable device utilizes buckle structure and in conjunction with the controlled release of the performance implement device of shape memory alloy spring.
technical scheme
In order to solve above-mentioned technical matters, the controlled tripper of card slot type of the present utility model, comprise separated parts and drive separated parts to produce the tripper of displacement, described tripper comprises that one holds cylinder body and is arranged at the unlock drive device holding in cylinder body, the described cylinder body that holds is comprised of the first cylinder body of separating and the second cylinder body, between the first described cylinder body and the second cylinder body, is provided with a through hole; Described unlock drive device comprises the buckle that is arranged in through hole, is arranged at the preloading spring in the first cylinder body and is arranged at the shape memory alloy spring in the second cylinder body, wherein, described buckle is provided with the first guiding surface and the first non-skid face towards the first force surface of the first cylinder body, described buckle is towards the first end of the second force surface backstop shape memory alloy spring of the second cylinder body, and the second end of shape memory alloy spring is exposed for the cover plate backstop of sealing the second cylinder body; One end away from separating component of described preloading spring is subject to the first inboard wall of cylinder block backstop; Described separated parts are provided with a draw-in groove towards the surface of the second cylinder body, and described draw-in groove outside face consists of the second guiding surface and the second non-skid face, and the first non-skid face of described buckle forms self-locking to each other while contacting with the second non-skid face of draw-in groove; Described shape memory alloy spring is sheathed on heating guide pillar, and described heating guide pillar is used for heating shape memory alloy spring makes it produce deformation.
Further, described heating guide pillar bottom is fixed on cover plate, and its inside is provided with one group of heating arrangement, and heating arrangement is connected with external control circuit by wire.Usually, a plurality of tapped bore are offered in described heating guide pillar bottom, by bolt, will heat on the whole fixing cover plate of guide pillar.Described heating guide pillar is generally made by easy heat conduction and resistant to elevated temperatures metallic material or High molecular material.
When described shape memory alloy spring is heated over predetermined temperature, along self length direction generation shortening distortion, when reducing, temperature can return to the original shape before its distortion, and repeatedly reversible cycle work.
In controlled tripper of the present utility model, described separated parts are assemblied in the first cylinder body under external force, when separated component movement is to certain position, on described separated parts, the second non-skid face of draw-in groove and the first non-skid face of buckle contact, now buckle is from locking in draw-in groove, realization by separated parts from locking in accommodating cylinder body, wherein said preloading spring be subject to described separating component external pressure effect and in compressive state.
Heating arrangement in heating guide pillar heats guide pillar, the described shape memory alloy spring that is set in guide pillar is heated, when temperature surpasses certain value, shape memory alloy spring is along self length direction generation shortening distortion, shape memory alloy spring after distortion drives the buckle that is fixed on its top, force buckle and draw-in groove to be separated, separated parts are in released state, and preloading spring in Pre strained state promotes separating component and outwards moves, thereby realize separated parts and hold the separated of cylinder body.For guaranteeing smooth release, the required ejection force of the outside motion of separated parts when the predetermincd tension that described preloading spring produces is greater than released state.
beneficial effect
The shape memory alloy spring that the utility model adopts is reversible, can repeated work drives buckle, thereby drives buckle motion to control self-locking and the release of separated parts, can under various working, realize rapidly, exactly separated parts separated with separating component.This tripper is simple in structure simultaneously, motion is flexible, convenient, the capable of circulation repeatedly utilization, pollution-free of working service, reliability, stability and the service life of having improved tripper, has advanced the development of spacecraft.
Accompanying drawing explanation
Fig. 1 is a kind of tripper structural representation of the prior art;
Fig. 2 (a) is view before the controlled tripper shape memory alloy spring of the utility model is heated; (b) view while being heated for the controlled tripper shape memory alloy spring of the utility model;
Fig. 3 is the separated block construction schematic diagram of the controlled tripper of the utility model;
Fig. 4 is the controlled tripper elastic-buckle structure of the utility model schematic diagram;
Fig. 5 is the controlled tripper heating of the utility model guide pillar work schematic diagram;
Fig. 6 is the controlled tripper housing structure of the utility model schematic diagram;
Fig. 7 is the controlled tripper initial condition of the utility model structural representation;
Fig. 8 is the controlled tripper self-locking state of the utility model structural representation;
Fig. 9 is the controlled tripper released state of the utility model structural representation.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is further described.
As shown in Fig. 3, Fig. 4, Fig. 6 and Fig. 7, the controlled tripper of card slot type of the present embodiment comprises separated parts 71 and drives separated parts 71 to produce the tripper of displacement, described tripper comprises that one holds cylinder body 72 and is arranged at the unlock drive device holding in cylinder body 72, the described cylinder body 72 that holds is comprised of the first cylinder body 61 of separating and the second cylinder body 64, between the first described cylinder body 61 and the second cylinder body 64, is provided with a through hole 63; Described unlock drive device comprises the buckle 73 that is arranged in through hole 63, is arranged at the preloading spring 74 in the first cylinder body 61 and is arranged at the shape memory alloy spring 75 in the second cylinder body 64, wherein, described buckle 73 is provided with the first guiding surface 42 and the first non-skid face 44 towards the first force surface 41 of the first cylinder body 61, described buckle 73 is towards the first end of the second force surface 43 backstop shape memory alloy springs 75 of the second cylinder body 64, and the second end of shape memory alloy spring 75 is exposed for cover plate 77 backstops of sealing the second cylinder body 64; One end away from separated parts 71 of described preloading spring 75 is subject to the first cylinder body 61 inwall backstops; Described separated parts 71 are provided with a draw-in groove 35 towards the surface 33 of the second cylinder body 64, described draw-in groove 35 outside faces consist of the second guiding surface 36 and the second non-skid face 34, and the first non-skid face 44 of described buckle 73 forms self-locking to each other while contacting with the second non-skid face 34 of draw-in groove; Described shape memory alloy spring 75 is sheathed on heating guide pillar 76, and described heating guide pillar 76 makes it produce deformation for heating shape memory alloy spring 75.Described cover plate 77 is fixed on and is held in the tapped bore 66 that the outside face 65 of cylinder body 72 is provided with by bolt 78.
As shown in Figure 2, when described shape memory alloy spring 75 is heated over predetermined temperature, along self length direction generation shortening distortion, when reducing, temperature can return to the original shape before its distortion, and repeatedly reversible cycle work; Shape memory alloy spring 75 be take thread shape memory alloy material as basis material, by the special process processing and fabricating of shaping, then clips two ends for fixing part, finally obtains shape memory alloy spring finished product.When installing in self-locking state, its first end 21 is fixed on the force surface of buckle 73, and the second end 22 is fixed on cover plate 77; By device, when the released state, shape memory alloy spring 75 shortens distortion, and its first end 21 drives buckles 73 motions, makes buckle 73 separated with draw-in groove 35, makes separated parts 71 in released state.
As shown in Figure 5, Figure 7, heating guide pillar 76 bottoms are fixed on cover plate 77, and its inside is provided with one group of heating arrangement 52, and heating arrangement 52 is connected with external control circuit 57 by external wire 55.External circuit 57 is comprised of central controller, switch, temperature sensor, temperature controller, switch.
As Fig. 7, shown in Fig. 8 and Fig. 9, on the left surface 31 of separated parts 71, apply an external force, separated parts 71 move along the first inside face 62 of the first cylinder body 61 under external force, when the second guiding surface 36 of draw-in groove 35 moves to the first guiding surface 42 of buckle 73, 35 pairs of buckles 73 of draw-in groove apply an application force, buckle 73 moves under the effect of this application force, continuation along with draw-in groove 35 motions, when the second non-skid face 34 of draw-in groove 35 moves to the first non-skid face 44 of buckle 73, the self-locking that matches with the first non-skid face 44 of the second non-skid face 34, 73 pairs of separated parts 71 motions of buckle produce a drag effect, thereby separated parts 71 are locked in to accommodating cylinder body 72 certainly, its self-locking state as shown in Figure 8.
When applying a pumping signal to external control circuit 57, external control circuit 57 enters 76 heating of 52 pairs of heating guide pillars of working state control heating arrangement, the shape memory alloy spring 75 that is set in heating guide pillar 76 is heated, when temperature surpasses certain value, shape memory alloy spring 75 is along himself length direction generation shortening distortion, shape memory alloy spring 75 after shortening drives the buckle 73 that is fixed on its first end 21, force buckle 73 and draw-in groove 35 to be separated, make separated parts 71 in released state, now the preloading spring in pretension compressive state 74 promotes separated parts 71 in outside motion, complete the separated of separated parts 71 and cylinder body 72, its released state as shown in Figure 9.After separation process completes, to external control circuit 57, there is an impulse singla in temperature controller, external control circuit 57 is quit work, shape memory alloy spring 75 recovers its original shape gradually, enter the readiness of next cycle of operations, thereby realize the reversible cycle work of tripper.
Claims (5)
1. the controlled tripper of card slot type, comprise separated parts (71) and drive separated parts (71) to produce the tripper of displacement, it is characterized in that, described tripper comprises that one holds cylinder body (72) and is arranged at the unlock drive device holding in cylinder body (72), the described cylinder body (72) that holds is comprised of the first cylinder body (61) of separating and the second cylinder body (64), between described the first cylinder body (61) and the second cylinder body (64), is provided with a through hole (63), described unlock drive device comprises the buckle (73) being arranged in through hole (63), be arranged at the preloading spring (74) in the first cylinder body (61) and be arranged at the shape memory alloy spring (75) in the second cylinder body (64), wherein, described buckle (73) is provided with the first guiding surface (42) and the first non-skid face (44) towards first force surface (41) of the first cylinder body (61), described buckle (73) is towards the first end of the second force surface (43) backstop shape memory alloy spring (75) of the second cylinder body (64), the second end of shape memory alloy spring (75) is exposed for cover plate (77) backstop of sealing the second cylinder body (64), one end away from separating component (71) of described preloading spring (75) is subject to the first cylinder body (61) inwall backstop, described separated parts (71) are provided with a draw-in groove (35) towards the surface (33) of the second cylinder body (64), described draw-in groove (35) outside face consists of the second guiding surface (36) and the second non-skid face (34), and first non-skid face (44) of described buckle (73) forms self-locking to each other while contacting with second non-skid face (34) of draw-in groove, it is upper that described shape memory alloy spring (75) is sheathed on heating guide pillar (76), and described heating guide pillar (76) makes it produce deformation for heating shape memory alloy spring (75).
2. the controlled tripper of card slot type as claimed in claim 1, it is characterized in that, it is upper that cover plate (77) is fixed in described heating guide pillar (76) bottom, and its inside is provided with one group of heating arrangement (52), and heating arrangement (52) is connected with external control circuit (57) by external wire (55).
3. the controlled tripper of card slot type as claimed in claim 1, it is characterized in that: when described shape memory alloy spring (75) is heated over predetermined temperature, along self length direction generation shortening distortion, when reducing, temperature can return to the original shape before its distortion, and repeatedly reversible cycle work.
4. the controlled tripper of card slot type as claimed in claim 2, is characterized in that, external circuit (57) is comprised of central controller, switch, temperature sensor, temperature controller and switch.
5. the controlled tripper of card slot type as claimed in claim 1, is characterized in that, described heating guide pillar (76) is made by easy heat conduction and resistant to elevated temperatures metallic material or High molecular material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320412646.1U CN203461146U (en) | 2013-07-11 | 2013-07-11 | Clamping slot type controllable unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320412646.1U CN203461146U (en) | 2013-07-11 | 2013-07-11 | Clamping slot type controllable unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203461146U true CN203461146U (en) | 2014-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320412646.1U Expired - Lifetime CN203461146U (en) | 2013-07-11 | 2013-07-11 | Clamping slot type controllable unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203461146U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407584A (en) * | 2013-07-11 | 2013-11-27 | 南京航空航天大学 | Neck type controllable unlocking device |
| CN104196369A (en) * | 2014-08-08 | 2014-12-10 | 南京物联传感技术有限公司 | Wireless lock |
| CN107465800A (en) * | 2016-06-06 | 2017-12-12 | 华为终端（东莞）有限公司 | The tripper and mobile terminal of a kind of mobile terminal |
| CN109051309A (en) * | 2018-08-10 | 2018-12-21 | 山东中际智能装备有限公司 | A kind of stator lantern ring quick-release mechanism |
| CN114113270A (en) * | 2021-12-01 | 2022-03-01 | 广州市华粤行医疗科技有限公司 | Trace oxygen detector and detection method thereof |
-
2013
- 2013-07-11 CN CN201320412646.1U patent/CN203461146U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103407584A (en) * | 2013-07-11 | 2013-11-27 | 南京航空航天大学 | Neck type controllable unlocking device |
| CN103407584B (en) * | 2013-07-11 | 2016-08-10 | 南京航空航天大学 | A kind of controlled tripper of card slot type |
| CN104196369A (en) * | 2014-08-08 | 2014-12-10 | 南京物联传感技术有限公司 | Wireless lock |
| CN104196369B (en) * | 2014-08-08 | 2016-04-06 | 南京物联传感技术有限公司 | Wireless lock |
| CN107465800A (en) * | 2016-06-06 | 2017-12-12 | 华为终端（东莞）有限公司 | The tripper and mobile terminal of a kind of mobile terminal |
| CN109051309A (en) * | 2018-08-10 | 2018-12-21 | 山东中际智能装备有限公司 | A kind of stator lantern ring quick-release mechanism |
| CN114113270A (en) * | 2021-12-01 | 2022-03-01 | 广州市华粤行医疗科技有限公司 | Trace oxygen detector and detection method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160810 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140305 Effective date of abandoning: 20160810 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |