CN203396284U - Shape memory alloy spring-driven controllable unlocking device - Google Patents
Shape memory alloy spring-driven controllable unlocking device Download PDFInfo
- Publication number
- CN203396284U CN203396284U CN201320411411.0U CN201320411411U CN203396284U CN 203396284 U CN203396284 U CN 203396284U CN 201320411411 U CN201320411411 U CN 201320411411U CN 203396284 U CN203396284 U CN 203396284U
- Authority
- CN
- China
- Prior art keywords
- shape memory
- memory alloy
- alloy spring
- cylinder body
- tripper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000006073 displacement reaction Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 7
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000003313 weakening effect Effects 0.000 description 3
- 238000004880 explosion 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
- 238000005422 blasting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 238000003913 materials processing Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Springs (AREA)
Abstract
The utility model discloses a shape memory alloy spring-driven controllable unlocking device, which comprises a separated part and an unlocking device for driving the separated part to generate displacement, wherein the unlocking device comprises a cylinder body and an unlocking driving device arranged in the cylinder body; one end of the separated part is accommodated in the cylinder body; a clamping groove is formed in the outer surface of the separated part; the unlocking driving device comprises an elastic clamping ring, a shape memory alloy spring and a heating guide pillar for heating and deforming the shape memory alloy spring. According to the device, the shape memory alloy spring is used for driving the separated part, and the separated part can be quickly and accurately separated from a separation part under various working conditions; in addition, the unlocking device is simple in structure, flexible in movement, convenient to use and maintain and pollution-free, and can be recycled for many times, the reliability and the stability of the unlocking device are improved, the service life of the unlocking device is prolonged, and the development of the unlocking device is promoted.
Description
Technical field
The utility model relates to a kind of tripper, relates in particular to a kind of controlled tripper that utilizes shape memory alloy spring to drive, and belongs to mechanical engineering and intellectual material application branch of learning field.
Background technology
Current guided missile and civil area often need to adopt some trippers to control the separated release of some frame for movement, and therefore in separation process, the performance quality of tripper is directly connected to the success or failure that some mechanism moves.Therefore the tripper in reality is used must meet and before separation, will guarantee that two separating components connect reliably in a kind of self-locking state; When separation, guarantee that downlink connection parts are separated reliably, and guarantee in separation process or after separating does not affect the follow-up work of mechanism.In current techniques, the normal tripper adopting is main mainly with blast unlocking manner, Fig. 1 is a kind of weakening slot type blasting bolt in prior art, mainly primacord 11, the body of bolt 12, explosive 13, the first connected piece 14, weakening groove 15, the second connected piece 16, consists of; It is characterized in that: when primacord 11 obtains the explosive 13 that pumping signal is ignited the body of bolt 12 inside, in explosive 13 generations that are detonated, make internal pressure raise, 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 of the prior art produces at explosion time can overflow from parting surface, 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 mechanism, secondly this kind of unlocking manner is that disposable mechanism can not repeatedly utilize, and caused unnecessary energy waste.
Summary of the invention
Technical problem
The technical problems to be solved in the utility model is to propose a kind of tripper, the shape memory alloy spring that this tripper adopts is reversible, can repeated work drives separated parts, thereby drive self-locking and the release of the separated parts of snap ring motion control, reliability, stability and the service life of having improved tripper, advanced the development of tripper.
Technical scheme
In order to solve above-mentioned technical problem, the controlled tripper of shape memory alloy spring drive-type of the present utility model comprises that separated parts and the separated parts of driving produce the tripper of displacement, and described tripper comprises a cylinder body and is arranged at the unlock drive device in cylinder body; Described separated parts one end is contained in cylinder body, and its outer surface is provided with draw-in groove; Described unlock drive device comprises snap ring, shape memory alloy spring and makes it produce the heating guide pillar of deformation for heating shape memory alloy spring, the end margin inner side that described snap ring has opening is provided with protuberance, the described snap ring other end seals and is fixed on cylinder body, described protuberance and the shape of draw-in groove adapt, and form each other self-locking when described protuberance contacts with draw-in groove; Described shape memory alloy spring is set on heating guide pillar, and one end that heating guide pillar seals by described snap ring is fixed on cylinder body, and described heating guide pillar is used for heating shape memory alloy spring makes it produce deformation.Separated parts are unkitted while being assigned in the first cylinder body, and the described shape memory alloy spring that is set in multi-functional guide pillar is in initial free state, and described snap ring is in initial equilibrium conditions.
Further, described draw-in groove has the first non-skid face, between described the first non-skid face and separated parts surface, has angle, and described angle value θ meets tan θ≤μ, and wherein μ is the confficient of static friction of the first non-skid face.
Further, the protuberance of described snap ring has the second non-skid face, between described the second non-skid face and snap ring body, has angle, and described angle value and the first non-skid face equate with the angle value between separated parts surface.
Further, described heating guide pillar inside is provided with one group of heater, and heater is connected with external control circuit by external wire.
Further, described external circuit is comprised of central controller, switch, temperature sensor, temperature controller and switch.
Further, described heater is made by easy heat conduction and resistant to elevated temperatures metal material or macromolecular material.
The controlled tripper of shape memory alloy spring drive-type of the present utility model, described separated parts are first assemblied in cylinder body under external force, when separated parts contact with snap ring, because snap ring sidewall has elasticity, separated parts extruding enters snap ring, snap ring is stretched motion to extending out under separated parts effect, when separated parts draw-in groove moves to the protuberance place of snap ring, the protuberance of snap ring is embedded in the draw-in groove of separated parts, the direction of motion of separated parts is subject to from the active force of snap ring protuberance and stop motion, thereby realize separated parts from locking in cylinder body.
Described heater is connected with external control circuit, when external control circuit is applied to a pumping signal, described heater heats multi-functional guide pillar, the described shape memory alloy spring that is set in multi-functional guide pillar is heated, when temperature surpasses certain value, shape memory alloy spring produces an elongation strain along self length direction.Shape memory alloy spring after distortion expansion force along its length acts on separated parts, promoting separated parts outwards moves, force snap ring and draw-in groove to be separated, make separated parts now in released state, thereby realize the separated of separated parts and cylinder body.
After separation process completes, there is a pulse signal to external control circuit in temperature controller, external control circuit is quit work, and shape memory alloy spring recovers its original shape gradually, enter the SBR of next work period, thereby realize the Reversible Cycle work of tripper.
Beneficial effect
The utility model adopts shape memory alloy spring to drive separated parts, thereby drives self-locking and the release of the separated parts of snap ring motion control, 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 tripper.
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 present invention;
Fig. 3 is the separated modular construction schematic diagram of the controlled tripper of the utility model;
Fig. 4 is the controlled tripper snap ring of the utility model cross-sectional view;
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 original state 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 utility model is described further.
As shown in Fig. 2, Fig. 3, Fig. 4 and Fig. 7, the controlled tripper of shape memory alloy spring drive-type of the present embodiment comprises that separated parts 71 and the separated parts 71 of driving produce the tripper of displacements, and described tripper comprises a cylinder body 72 and is arranged at the unlock drive device in cylinder body 72; Described separated parts 71 one end are contained in cylinder body 72, and its outer surface 32 is provided with draw-in groove 34; Described unlock drive device comprises snap ring 73, shape memory alloy spring 74 and makes it produce the heating guide pillar 75 of deformation for heating shape memory alloy spring 74, the end margin inner side that described snap ring 73 has opening is provided with protuberance 41, described snap ring 73 other ends seal and are fixed on cylinder body 72, described protuberance 41 adapts with the shape of draw-in groove 34, and described protuberance 41 forms self-locking each other while contacting with draw-in groove 34; Described shape memory alloy spring 74 is set on heating guide pillar 75, and heating guide pillar 75 is fixed on cylinder body 72 by one end of described snap ring 73 sealings, and described heating guide pillar 75 makes it produce deformation for heating shape memory alloy spring 74.
As shown in Fig. 2, Fig. 4 and Fig. 7, in the present embodiment, shape memory alloy spring 74 first ends 21 are free end, the second end 22 is fixed on the inner surface 43 of one end 44 of snap ring 73 sealings, on one end 44 of snap ring sealing, offer two two bolts hole 45,46 of installing for bolt, by two bolts, snap ring 73 is fixed on the securing cover plate 76 of cylinder body 72, and fixes heating guide pillar 75 simultaneously.The original-shape of shape memory alloy spring 74 is as shown in Fig. 2 (a), and when shape memory alloy spring is heated, temperature surpasses after certain value along himself length direction generation elongation strain, and after distortion, shape is as shown in Fig. 2 (b).
As shown in Fig. 3, Fig. 6, separated parts 71 have the first end 31 of sealing, and the other end is second end 36 with opening, and this second end 36 extends into the openend 61 and its matched in clearance of cylinder body 72, is assemblied in cylinder body 72 under the effect of external force.The part that separated parts 71 extend into cylinder body 72 is provided with a draw-in groove 34 on its surface 32, the first non-skid face 35 that draw-in groove 34 is provided with is θ with horizontal direction angle, the first non-skid face 35 surface friction factors are μ, between angle theta and confficient of static friction μ person, meet tan θ≤μ.
As shown in Figure 4 and Figure 5, described heating guide pillar 75 adopts easy heat conduction and resistant to elevated temperatures metal material or macromolecular material to make, heating guide pillar 75 lower surfaces 54 are provided with a plurality of screwed holes 53, heating guide pillar 75 lower surfaces 54 contact with the inner surface 43 of snap ring 73, force surface 44 is descended in one end of the sealing of snap ring 73 is cover plate 76, mode with bolts is connected and fixed heating guide pillar 75 and snap ring 73 securing cover plates 76, and described securing cover plate 76 edges are connected and fixed by bolt 77 and cylinder body 72 walls.Heating guide pillar 75 its inside are provided with one group of heater 52, the through hole 46 that the external wire 55 of heater 52 is provided with through snap ring 73 is connected with external control circuit 57, and external circuit 57 is comprised of central controller, switch, temperature sensor, temperature controller, switch.Described cylinder body 72 is made by the materials processing high temperature resistant, density is little.
Two kinds of duties of self-locking, release of the controlled tripper of the present embodiment are described below in conjunction with Fig. 7, Fig. 8 and Fig. 9:
First, on the first end 31 of separated parts 71, apply an active force, separated parts 71 are under external force along openend 61 inner surface movements of cylinder body 72, when the outer surface of separated parts 71 and the opening of a snap ring 73 side inner surface 47 contact, the protuberance 41 of 71 pairs of snap rings 73 of separated parts produces an extruding force, snap ring 73 under the effect of this active force constantly to external expansion, when the draw-in groove 34 of separated parts 71 moves to the protuberance 41 position of snap ring 73, protuberance 41 gradually be embedded in draw-in groove 34, separated parts 71 are in the extruding force effect perpendicular to direction of motion snap ring 73 and stop motion.Thereby separated parts 71 are lock onto to cylinder body 72.Its self-locking state as shown in Figure 8.
When applying a pumping signal to external control circuit 57, external control circuit 57 enters 75 heating of 52 pairs of heating guide pillars of working state control heater, the shape memory alloy spring 74 that is set in heating guide pillar 75 is heated, when temperature surpasses certain value, shape memory alloy spring 74 is along himself length direction generation elongation strain, when the first end 21 of shape memory alloy spring 74 moves to the second end 36 of the opening of separated parts 71 as force surface, separated parts 71 under the active force effect of shape memory alloy spring 74 to the outer motion of cylinder body 72, force protuberance 41 and draw-in groove 34 to be separated, make separated parts 71 in released state, 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 a pulse signal in temperature controller, external control circuit 57 is quit work, shape memory alloy spring 74 recovers its original shape gradually, enter the SBR of next work period, thereby realize the Reversible Cycle work of tripper.
Claims (6)
1. the controlled tripper of shape memory alloy spring drive-type, comprise separated parts (71) and drive separated parts (71) to produce the tripper of displacement, it is characterized in that, described tripper comprises a cylinder body (72) and is arranged at the unlock drive device in cylinder body (72); Described separated parts (71) one end is contained in cylinder body (72), and its outer surface (32) is provided with draw-in groove (34); Described unlock drive device comprises snap ring (73), shape memory alloy spring (74) and makes it produce the heating guide pillar (75) of deformation for heating shape memory alloy spring (74), the end margin inner side that described snap ring (73) has opening is provided with protuberance (41), described snap ring (73) other end seals and is fixed on cylinder body (72), described protuberance (41) adapts with the shape of draw-in groove (34), and described protuberance (41) forms self-locking each other while contacting with draw-in groove (34); Described shape memory alloy spring (74) is set on heating guide pillar (75), heating guide pillar (75) is fixed on cylinder body (72) above by one end of described snap ring (73) sealing, and described heating guide pillar (75) makes it produce deformation for heating shape memory alloy spring (74).
2. the controlled tripper of shape memory alloy spring drive-type as claimed in claim 1, it is characterized in that, described draw-in groove (34) has the first non-skid face (35), between described the first non-skid face (35) and separated parts (71) surface, there is angle, described angle value θ meets tan θ≤μ, and wherein μ is the confficient of static friction of the first non-skid face (35).
3. the controlled tripper of shape memory alloy spring drive-type as claimed in claim 2, it is characterized in that, the protuberance (41) of described snap ring (73) has the second non-skid face (42), between described the second non-skid face (42) and snap ring (73), have angle, described angle value and the first non-skid face (35) equate with the angle value between separated parts (71) surface.
4. the controlled tripper of shape memory alloy spring drive-type as described in claim 1 or 2 or 3 any one, it is characterized in that, described heating guide pillar (75) inside is provided with one group of heater (52), and heater (52) is connected with external control circuit (57) by external wire (55).
5. the controlled tripper of shape memory alloy spring drive-type as claimed in claim 4, is characterized in that, described external circuit (57) is comprised of central controller, switch, temperature sensor, temperature controller and switch.
6. the controlled tripper of shape memory alloy spring drive-type as claimed in claim 4, is characterized in that, described heater (52) is made by easy heat conduction and resistant to elevated temperatures metal material or macromolecular material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320411411.0U CN203396284U (en) | 2013-07-11 | 2013-07-11 | Shape memory alloy spring-driven controllable unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320411411.0U CN203396284U (en) | 2013-07-11 | 2013-07-11 | Shape memory alloy spring-driven controllable unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203396284U true CN203396284U (en) | 2014-01-15 |
Family
ID=49907808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320411411.0U Expired - Fee Related CN203396284U (en) | 2013-07-11 | 2013-07-11 | Shape memory alloy spring-driven controllable unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203396284U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389011A (en) * | 2013-07-11 | 2013-11-13 | 南京航空航天大学 | Shape memory alloy spring-actuated controlled unlocking device |
| CN109209801A (en) * | 2018-08-27 | 2019-01-15 | 南京航空航天大学 | Middle-low temperature heat based on marmem slides power generator |
| CN110530202A (en) * | 2019-07-31 | 2019-12-03 | 北京北机机电工业有限责任公司 | A kind of automatic lid closing/opening apparatus |
| 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 CN201320411411.0U patent/CN203396284U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103389011A (en) * | 2013-07-11 | 2013-11-13 | 南京航空航天大学 | Shape memory alloy spring-actuated controlled unlocking device |
| CN109209801A (en) * | 2018-08-27 | 2019-01-15 | 南京航空航天大学 | Middle-low temperature heat based on marmem slides power generator |
| CN109209801B (en) * | 2018-08-27 | 2020-01-10 | 南京航空航天大学 | Medium-low temperature waste heat sliding power generation device based on shape memory alloy |
| CN110530202A (en) * | 2019-07-31 | 2019-12-03 | 北京北机机电工业有限责任公司 | A kind of automatic lid closing/opening apparatus |
| CN110530202B (en) * | 2019-07-31 | 2022-07-12 | 北京北机机电工业有限责任公司 | Automatic cover opening device |
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103389011A (en) | Shape memory alloy spring-actuated controlled unlocking device | |
| CN203396284U (en) | Shape memory alloy spring-driven controllable unlocking device | |
| CN103407584A (en) | Neck type controllable unlocking device | |
| CN103231814A (en) | Controllable unlocking device based on shape memory alloy spring | |
| CN203461146U (en) | Clamping slot type controllable unlocking device | |
| CN103334991A (en) | Controllable unlocking device and unlocking method thereof | |
| CN101717063B (en) | Flexible microgripper through topological optimization | |
| CN104787435B (en) | The anti-pollution harmful influence platform of autonomous type | |
| CN106931768B (en) | Automatic clamping mechanism for vacuum drying furnace | |
| US9581147B2 (en) | Actuator having at least one control element which has thermal transducer material | |
| CN101508108A (en) | Gripper and driving method using the same | |
| US8042303B2 (en) | Seal having an electroactive actuator a for sliding glass window | |
| CN201961579U (en) | Automatic carton turning device for production line of carton filling machine | |
| CN204171479U (en) | Compact ring shaped axial hi-Fix clamp system | |
| CN107171597B (en) | A kind of thermoelectricity piezo-electric device control system | |
| CN104908912A (en) | Underwater robot locking mechanism | |
| CN209831410U (en) | Safety positioning device based on piezoelectric effect | |
| CN110174189B (en) | Method for dynamically monitoring boiler thermal field in real time and triggering control | |
| CN205069412U (en) | High -efficient drive mechanism's waterproof type foot switch | |
| CN207338196U (en) | A kind of brake structure being applied in electric tool switch | |
| CN203921133U (en) | A kind of opening cap underwater device | |
| CN204750533U (en) | Underwater robot locking mechanism | |
| CN220012834U (en) | High-temperature molten salt electrochemical experiment device | |
| CN203370960U (en) | Tool used for bearing riveting press | |
| CN213869574U (en) | Heat-preservation composite profile window body structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20140115 Termination date: 20150711 |
|
| EXPY | Termination of patent right or utility model |