CN203719534U - Electrically-actuated pull pin type safety mechanism - Google Patents
Electrically-actuated pull pin type safety mechanism Download PDFInfo
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- CN203719534U CN203719534U CN201420090128.7U CN201420090128U CN203719534U CN 203719534 U CN203719534 U CN 203719534U CN 201420090128 U CN201420090128 U CN 201420090128U CN 203719534 U CN203719534 U CN 203719534U
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- dielectric elastomer
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Abstract
The utility model discloses an electrically-actuated pull pin type safety mechanism which comprises a shell, a mobile end, a pull pin, a spring, dielectric elastomers, electrodes, a fixed end and a lead, wherein the pull pin is positioned between the mobile end and the fixed end, and the spring is sleeved outside the pull pin; a plurality of layers of dielectric elastomers which are coated with the electrodes and pre-stretched are wound on the outer surface of the spring; the electrodes are connected with the lead; the shell plays sealing and protecting roles; and each electrode is a mixture formed by carbon black powder, silicone oil, silica gel and normal heptane. The electrically-actuated pull pin type safety mechanism has the benefits that force balance is formed by utilizing the retractive force of the pre-stretched dielectric elastomers and the resistance of the spring, and at the moment, the pull pin extends out of the fixed end to limit a moving part outside the pull pin, so that the safety purpose is realized; the dielectric elastomers deform after being subjected to electrical stimulation, electric energy is converted into mechanical energy, and the pull pin is driven to be pulled back, so that the safety release purpose is achieved; the whole electrically-actuated pull pin type safety mechanism has the advantages of simple structure, high reliability, repeated use, low cost and convenience in installation.
Description
Technical field
The utility model belongs to insurance institution's technical field, is specifically related to a kind of electric actuation pin-pulling type insurance institution.
Background technology
At present, in the insurance institution of Mechatronic Systems and armament systems, mainly contain the insurance institution of distribution organization and two kinds of forms of motion of pulling-out mechanism, and the type of drive of pulling-out mechanism is mainly electromagnetism and gunpowder.The pulling-out mechanism of Electromagnetic Drive is mainly made up of armature, yoke, solenoid component, spring, pull pin etc., after mainly utilizing solenoid component energising, produce magnetic field, armature, yoke magnetization that soft magnetic materials is made, the magnetic force of armature and yoke overcomes spring resistance, armature motion drives and pulls pin and pull out back, and this structure exists complex structure, expensive, low, the long-term placement of electricity-mechanical energy conversion efficiency is easily demagnetized, worked long hours and easily burns out the problems such as solenoid component.The pulling-out mechanism that gunpowder drives mainly utilizes powder burning to produce the acting of gas negative sense driven plunger, affected by the factors such as structure, gas pressure direction of transfer and sealing, the problem such as the pulling-out mechanism that exist in practical engineering application that reliability is low, electricity-mechanical energy conversion efficiency is low, gunpowder drives can not Reusability, utilization rate is low.
Dielectric elastomer material is a kind of novel intelligent material, the advantage such as have lightweight, high resilience, distortion is large, electricity-mechanical energy conversion efficiency is high, power-mass ratio is large,, antifatigue good without heat, resistance to shock, price are low.Dielectric elastomer has wide prospect in the application of insurance institution.
Utility model content
For above defect or the Improvement requirement of prior art, the utility model provides a kind of electric actuation pin-pulling type insurance institution, have simple in structure, can Reusability, reliability is high, can work long hours, state can recover, cost is low, be convenient to the feature of installing, and solves thus prior art complex structure, functional reliability is low, electricity-mechanical energy conversion efficiency is low technical problem.
A kind of electric actuation pin-pulling type of the present utility model insurance institution, comprises shell, mobile terminal, pulls pin, spring, dielectric elastomer, electrode, stiff end and wire;
Described pulling pin as stepped cylinder, big column part and mobile terminal screw thread are fixed, small column part and stiff end matched in clearance; The small column portion of external of pulling pin cover has spring, both ends of the spring be moved respectively end and stiff end spacing, the spring outer surface multilayer coated dielectric elastomer that has electrode of reeling; The innermost layer electrode on dielectric elastomer surface is connected wire with outermost layer electrode; Shell and stiff end screw thread are fixed, for to mobile terminal, pull pin, spring and dielectric elastomer play closed protective effect;
Wherein, described dielectric elastomer has carried out prestretched before coated electrode, and described spring is in compressive state before coiling dielectric elastomer, and described electrode is the mixture that comprises carbon black powder, silicone oil, silica gel and normal heptane;
Before wire energising, the dielectric elastomer of prestretched has a retraction force, there is a restorable drag in the spring of compressive state, the retraction force of the dielectric elastomer of prestretched and the drag of spring form dynamic balance, the small column part of now pulling pin is stretched out stiff end, the moving component of other mechanisms is carried out spacing, play the object of insurance;
When after wire energising, dielectric elastomer is subject to the effect of static pressure, cause its area to increase and length elongation, spring by compression recovers former length, because stiff end is fixed, therefore the spring extending and dielectric elastomer drive mobile terminal motion, mobile terminal drives motion together with its pulling pin of being fixed together that be threaded, pull out back thereby driving pulls pin, remove the constraint to outside movement parts, reach the object that insurance is removed.
Further, the prestretched in surperficial coated electrode before coiling of described dielectric elastomer, the area after prestretched is 9～25 times long-pending before prestretched, the decrement of described spring is 1/5～2/5.
Further, the area after described dielectric elastomer prestretched is 16 times long-pending before prestretched.
Further, described dielectric elastomer is reeled 3～7 layers at described spring outer surface.
Further, described electrode is the mixture of carbon black powder, silicone oil, silica gel and normal heptane, wherein the volume ratio of silicone oil, silica gel is 1:0.6～1:2, and the quality of carbon black powder is 2～3 times that silicone oil, silica gel mix rear quality, and normal heptane addition to mixed liquor reaches thick.
Further, in described electrode, the volume ratio of silicone oil, silica gel is 1:1, and the quality of carbon black powder is 2.4 times that silicone oil, silica gel mix rear quality.
Further, also comprise heat-shrinkable T bush, heat-shrinkable T bush is mounted on mobile terminal and stiff end and is wound with the part of dielectric elastomer, and the heat-shrinkable T bush aftercrimp that is heated, plays fixation to dielectric elastomer.
Further, described stiff end comprises ladder cylinder and two journal stirrups, ladder cylindrical inside has stair-stepping macropore and aperture, macropore has screw thread, for being connected with spring thread, macropore outer face has annular groove, be used for installing heat-shrinkable T bush, on the outer face of ladder cylinder, there is screw thread at journal stirrup and annular groove mid portion, for being fixed with outer casing screw, on journal stirrup, there are two installing holes, for the installation of electric actuation pin-pulling type insurance institution in external agency, a side of stiff end has two through holes, for putting wire.
Further, described dielectric elastomer be in film-form VHB series polyacrylic acid elastomer, film-form CF19-2186 colloidal silica, film-form HS3 colloidal silica, film-form HN-1110T type DE material or film-form polyurethane material any one.
The beneficial effects of the utility model are embodied in:
In the utility model, utilize the retraction force of dielectric elastomer of prestretched and the drag of spring in compressive state to form dynamic balance, stiff end is stretched out in the end of pulling pin, and outside moving component is carried out spacing, plays the object of insurance; Utilize dielectric elastomer energising to be subject to the effect of static pressure, dielectric elastomer extends, and spring by compression extends, and driving pulls pin pulls out back, reaches the object that insurance is removed.The utility model utilizes dielectric elastomer and spring as the actuator of pulling pin, because electricity-mechanical switch efficiency of dielectric elastomer is high, resistance to shock good, antifatigue, price be low, therefore the utlity model has functional reliability high, can work long hours, life-span is long, state can recover, and cost is low.Simultaneously, electric actuation pin-pulling type insurance institution is in order to obtain larger output displacement and driving force, voltage should be able to be applied on dielectric elastomer uniformly, therefore electrode wants energy uniform fold on dielectric elastomer, the general commercial conductive grease using is to be made up of multiple additives such as high-purity conductive carbon black, silicone oil and conductive polymer agent, its poor fluidity, brings larger drag can to the distortion of dielectric elastomer, can not adapt to the requirement of the large strain of dielectric elastomer.And due to its poor fluidity, in the deformation process of dielectric elastomer, can form the deposit of strip, and cause the active area of static pressure to reduce, greatly affect the adaptability to changes of dielectric elastomer.Electrode of the present utility model is the mixture that comprises carbon black powder, silicone oil, silica gel and normal heptane, can stick on very equably dielectric elastomer surface, be out of shape along with the distortion of dielectric elastomer, resistance of deformation is little, and therefore electric actuation pin-pulling type insurance institution can obtain good exercise performance.
Generally speaking, the utlity model has simple in structure, can Reusability, reliability is high, can work long hours, state can recover, cost is low, be convenient to the advantages such as installation, can be applicable to the insurance institution such as Mechatronic Systems and armament systems.
Brief description of the drawings
Fig. 1 is that electric actuation pin-pulling type insurance institution pulls pin and stretches out the structural representation of stiff end;
Fig. 2 is the electric actuation pin-pulling type insurance institution structural representation pulling out back of pulling pin;
Fig. 3 is the structural representation of the utility model stiff end;
Fig. 4 is the micro-image of commercial conductive grease in the time that dielectric elastomer strain reaches maximum rating;
Fig. 5 is the micro-image of electrode of the present utility model in the time that dielectric elastomer strain reaches maximum rating;
In figure, be labeled as: shell 1, mobile terminal 2, pull pin 3, spring 4, dielectric elastomer 5, electrode 6, stiff end 7, heat-shrinkable T bush 8, wire 9, ladder cylinder 7-1, journal stirrup 7-2, macropore 7-3, aperture 7-4, annular groove 7-5, installing hole 7-6 and through hole 7-7.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.In addition,, in each embodiment of described the utility model, involved technical characterictic just can combine mutually as long as do not form each other conflict.
As shown in Figure 1, a kind of electric actuation pin-pulling type insurance institution in the present embodiment, comprises shell 1, mobile terminal 2, pulls pin 3, spring 4, dielectric elastomer 5, electrode 6, stiff end 7 and wire 9.
Describedly pull pin 3 for stepped cylinder, big column part and mobile terminal 2 screw threads are fixed, small column part and stiff end 7 matched in clearance; The 3 small column portion of external covers of pulling pin have spring 4, spring 4 two ends be moved respectively end 2 and stiff end 7 spacing, the spring 4 outer surfaces multilayer coated dielectric elastomer 5 that has electrode 6 of reeling; The innermost layer electrode 6 on dielectric elastomer 5 surfaces is connected wire 9 with outermost layer electrode 6; Shell 1 is fixed with stiff end 7 screw threads, for to mobile terminal 2, pull pin 3, spring 4 and dielectric elastomer 5 play closed protective effect.
After mechanism's assembling, the prestretched dielectric elastomer 5 being wound on spring 4 has a retraction force, spring 4 in compressive state has a restorable drag, the drag of the retraction force of dielectric elastomer 5 and spring 4 can reach an equilibrium of forces, now stiff end 7 is stretched out in 3 one end of pulling pin of electric actuation pin-pulling type insurance institution, the moving component of other mechanisms is carried out spacing, play the object of insurance.
When electric actuation pin-pulling type insurance institution receives by wire 9 after the arming instruction that controller sends, dielectric elastomer 5 energisings are subject to the effect of static pressure, its area increases, dielectric elastomer 5 extends, spring 4 by compression extends, because stiff end 7 is fixed, therefore the spring 4 and the dielectric elastomer 5 that extend drive mobile terminal 2 to move, mobile terminal 2 drives and its motion together with 3 of pulling pin being fixed together that is threaded, 3 pull out back thereby driving pulls pin, work as static pressure, when the retraction force of the dielectric elastomer 5 of prestretched and spring 4 drag threes reach a new balance, now pull pin and 3 pull out the new state of getting back to, remove the constraint to moving component in other mechanisms, reach the object that insurance is removed.
After the arming instruction that controller sends is cancelled, the static pressure that dielectric elastomer 5 is subject to disappears, electric actuation pin-pulling type insurance institution comes back to the retraction force of dielectric elastomer 5 and the reset condition of spring 4 drag balance between two forces in compressive state of prestretched, stiff end 7 is stretched out in 3 one end of pulling pin, again the moving component of other mechanisms is carried out spacingly, play the object of insurance.
3 the driving of pulling pin is mainly the recovery drag of utilizing the spring 4 of the retraction force that produces after dielectric elastomer 5 prestretcheds and compressive state to produce, therefore needs dielectric elastomer 5 to carry out prestretched and spring 4 is carried out to precommpression before coiling.Show through repeated tests: dielectric elastomer 5 prestretcheds not only can improve the adaptability to changes of dielectric elastomer 5, and can also make dielectric elastomer 5 all the time in tensioning state, otherwise dielectric elastomer 5 is done the used time and will be produced buckling phenomenon being subject to voltage.Although prestretched can increase the adaptability to changes of dielectric elastomer 5, undue prestretched meeting makes dielectric elastomer 5 hardening, the adaptability to changes of restriction dielectric elastomer 5.To dielectric elastomer 5 respectively the adaptability to changes under the prestretched effect of 9 times, 16 times and 25 times study, found that: applying under the effect of 3500V voltage, dielectric elastomer 5 strains of 9 times of prestretcheds are 20%, the dielectric elastomer 5 of 25 times of prestretcheds punctures inefficacy, and dielectric elastomer 5 strains of 16 times of prestretcheds reach 70% and do not lose efficacy.Therefore preferably dielectric elastomer 5 prestretched areas are 16 times.Consider with the dynamic balance angle of spring 4 from pull pin 3 driving force and dielectric elastomer 5, the number of plies that suggestion dielectric elastomer 5 is wound on spring 4 is 3～7 layers, and the decrement of spring 4 is 1/5～2/5.A kind of matching relationship like this, can make spring 4 be unlikely to compress the excessive unstability that causes, and that can effectively avoid again that dielectric elastomer 5 Winding Layers too much cause influences each other.
Electrode 6 is the key factors that affect dielectric elastomer 5 performances, voltage is wanted can be applied to uniformly on dielectric elastomer 5, require accordingly electrode 6 to want energy uniform fold on dielectric elastomer 5, electrode 6 also can be out of shape along with the distortion of dielectric elastomer 5, the general commercial conductive grease using is to be made up of multiple additives such as high-purity conductive carbon black, silicone oil and conductive polymer agent, its poor fluidity, can bring larger drag to the distortion of dielectric elastomer 5, can not adapt to the requirement of dielectric elastomer 5 large strains.Be illustrated in figure 4 the commercial conductive grease applying on dielectric elastomer 5 surfaces at dielectric elastomer 5 micro-image in maximum displacement place, as seen from the figure, due to conductive grease poor fluidity, in the deformation process of dielectric elastomer 5, can form the deposit of strip, cause the active area of the static pressure of dielectric elastomer 5 to reduce, greatly affect the adaptability to changes of dielectric elastomer 5, cause the utility model to have defect.The utility model proposes a kind of electrode material, it is the mixture that comprises carbon black powder, silicone oil, silica gel and normal heptane.Carbon black powder mainly plays the effect that electrode 6 conducts electricity, and silicone oil mainly plays the effect that makes electrode 6 mobile, and silica gel mainly plays the effect of adhesion carbon powder, and normal heptane is a kind of volatile materials, plays the effect of abundant mixed carbon black powder, silicone oil, silica gel mixed liquor.In order to make electrode 6 good fluidities, resistance of deformation little, applicant has done deeper analysis and test, result shows, the volume ratio of silicone oil, silica gel is 1:0.6～1:2, the quality of carbon black powder is 2～3 times that silicone oil, silica gel mix rear quality, normal heptane addition to mixed liquor reaches thick, and now electrode 6 can stick on dielectric elastomer 5 surfaces very equably, is out of shape along with the distortion of dielectric elastomer.Further, the volume ratio of silicone oil and silica gel is 1:1, and the quality of carbon black powder is 2.4 times that silicone oil, silica gel mix rear quality, and as shown in Figure 5, now electrode 6 mobility are best, resistance of deformation is minimum, and can make the deformation area maximum of dielectric elastomer 5.
Dielectric elastomer 5 plays pulling pin 3 driving effect in the utility model.Dielectric elastomer 5 is changeable shape under extraneous electro photoluminescence, after extraneous electro photoluminescence is cancelled, can recover again original-shape, thereby produces stress and strain, converts electric energy to mechanical energy, thereby realizes pulling pin 3 driving.Available dielectric elastomer 5 comprises in film-form VHB series polyacrylic acid elastomer, film-form CF19-2186 colloidal silica, film-form HS3 colloidal silica, film-form HN-1110T type DE material or film-form polyurethane material any one.
In the utility model, dielectric elastomer 5 leans on the adhesive bond of itself on mobile terminal 2 and stiff end 7, owing to can producing retraction force after dielectric elastomer 5 prestretcheds, in order to prevent from being wound on coming off that the dielectric elastomer 5 of mobile terminal 2 and stiff end 7 causes because bonding force is insecure, need to fix it.Generally can adopt the modes such as coil winding is fixed, glue is fixed, heat-shrinkable T bush is fixed, but coil winding is fixed, fixing dielectric elastomer 5 breakages that easily cause prestretched of glue, whole pin-pulling type insurance institution was lost efficacy, for overcoming this defect, the preferred heat-shrinkable T bush 8 of the utility model completes fixation.Heat-shrinkable T bush 8 is mounted on mobile terminal 2 and stiff end 7 and is wound with the part of dielectric elastomer 5, and heat-shrinkable T bush 8 aftercrimp that is heated, plays fixation to dielectric elastomer 5, and don't cause dielectric elastomer 5 breakages.
Described stiff end 7 adopts insulating materials, comprise ladder cylinder 7-1 and two journal stirrup 7-2, ladder cylinder 7-1 inside has stair-stepping macropore 7-3 and aperture 7-4, macropore 7-3 has screw thread, for being threaded with spring 4, macropore 7-3 outer face has annular groove 7-5, be used for installing heat-shrinkable T bush 8, on the outer face of ladder cylinder 7-1, there is screw thread at journal stirrup 7-2 and annular groove 7-5 mid portion, for fixing with shell 1 threaded engagement, on journal stirrup 7-2, there are 2 installing hole 7-6, for the installation of electric actuation pin-pulling type insurance institution in external agency, one side of stiff end 7 has 2 through hole 7-7, be used for putting wire.
The cylinder that described mobile terminal 2 makes for insulating materials, inside has stepped hole, and larger hole and the less hole of internal diameter of internal diameter of stepped hole has respectively internal thread, is respectively used to and spring 4 and 3 threaded engagement of pulling pin.
Provide an example below:
Adopt the film-form VHB4905 polyacrylic acid elastomer of Minnesota Mining and Manufacturing Company, be that dielectric elastomer 5 carries out prestretched according to the extensibility of 4 times × 4 times, upper and lower surface at dielectric elastomer 5 after prestretched is evenly coated with one deck electrode 6, described electrode 6 is the mixture of carbon black powder, silicone oil, silica gel and normal heptane, wherein the volume ratio of silicone oil, silica gel is 1:1, the quality of carbon black powder is 2.4 times that silicone oil, silica gel mix rear quality, and normal heptane addition to mixed liquor reaches thick.
Again that described spring 4 two ends are fixing spacing with mobile terminal 2 and stiff end 7 screw threads respectively, to pull pin again and 3 be assemblied between mobile terminal 2 and stiff end 7, after again spring 4 being compressed to 30%, be the dielectric elastomer 5 of 4 times × 4 times at the reeling prestretched area that scribbles electrode 6 of the outer surface of spring 4, the Winding Layer of dielectric elastomer 5 on spring 4 is 4 layers, and every layer of surface that the dielectric elastomer 5 of described prestretched is wound on mobile terminal 2 and stiff end 7 is not coated with electrode 6.
After aforesaid operations completes, in the part of mobile terminal 2 and stiff end 7 coiling dielectric elastomers 5, overlap respectively 125 DEG C of thin-walled flame retardant type heat-shrinkable T bush 8 of one deck along mobile terminal 2, then heat-shrinkable T bush 8 is heated, heat-shrinkable T bush 8 aftercrimp that is heated, reaches the object of fixing dielectric elastomer 5.
All Assembly of the parts of electric actuation pin removal, in shell 1, and are fixed by the threaded engagement of stiff end 7 and shell 1 interior bore ends, are sealed as global facility.
The above is only preferred embodiment of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. an electric actuation pin-pulling type insurance institution, comprises shell (1), it is characterized in that, also comprises mobile terminal (2), pull pin (3), spring (4), dielectric elastomer (5), electrode (6), stiff end (7) and wire (9);
Described pulling pin (3) is stepped cylinder, and big column part and mobile terminal (2) screw thread is fixed, small column part and stiff end (7) matched in clearance; (3) the small column portion of external of pulling pin cover has spring (4), and spring (4) two ends are moved respectively end (2) and stiff end (7) is spacing, spring (4) the outer surface multilayer coated dielectric elastomer (5) that has electrode (6) of reeling; The innermost layer electrode (6) on dielectric elastomer (5) surface is connected wire (9) with outermost layer electrode (6); Shell (1) is fixed with stiff end (7) screw thread, for mobile terminal (2), pull pin (3), spring (4) and dielectric elastomer (5) are played to closed protective effect;
Wherein, described dielectric elastomer (5) has carried out prestretched coated electrode (6) is front, and described spring (4) is front in compressive state at coiling dielectric elastomer (5), and described electrode (6) is the mixture that comprises carbon black powder, silicone oil, silica gel and normal heptane;
Before wire (9) energising, the dielectric elastomer (5) of prestretched has retraction force, spring (4) in compressive state has restorable drag, the retraction force of the dielectric elastomer (5) of prestretched and the drag of spring (4) form dynamic balance, (3) the small column part of now pulling pin is stretched out stiff end (7), the moving component of other mechanisms is carried out spacing, play the object of insurance;
When after wire (9) energising, dielectric elastomer (5) is subject to the effect of static pressure, cause its area to increase and length elongation, spring (4) by compression recovers former length, because stiff end (7) is fixed, therefore the spring (4) extending and dielectric elastomer (5) drive mobile terminal (2) motion, mobile terminal (2) drives motion together with its pull pin (3) that are fixed together that are threaded, thereby drive pull pin (3) to pull out back, remove the constraint to outside movement parts, reach the object that insurance is removed.
2. a kind of electric actuation pin-pulling type as claimed in claim 1 insurance institution, it is characterized in that: described dielectric elastomer (5) prestretched in surperficial coated electrode (6) before coiling, area after prestretched is 9～25 times long-pending before prestretched, and the decrement of described spring (4) is 1/5～2/5.
3. a kind of electric actuation pin-pulling type as claimed in claim 2 insurance institution, is characterized in that: the area after described dielectric elastomer (5) prestretched is 16 times long-pending before prestretched.
4. a kind of electric actuation pin-pulling type insurance institution as described in claim 1 or 2 or 3, is characterized in that: described dielectric elastomer (5) is reeled 3～7 layers at described spring (4) outer surface.
5. a kind of electric actuation pin-pulling type insurance institution as claimed in claim 1 or 2 or 3 or 4, it is characterized in that: described electrode (6) is the mixture of carbon black powder, silicone oil, silica gel and normal heptane, wherein the volume ratio of silicone oil, silica gel is 1:0.6～1:2, the quality of carbon black powder is 2～3 times that silicone oil, silica gel mix rear quality, and normal heptane addition to mixed liquor reaches thick.
6. a kind of electric actuation pin-pulling type as claimed in claim 5 insurance institution, is characterized in that: in described electrode (6), the volume ratio of silicone oil, silica gel is 1:1, and the quality of carbon black powder is 2.4 times of quality after silicone oil, silica gel mix.
7. a kind of electric actuation pin-pulling type as claimed in claim 1 or 2 insurance institution, it is characterized in that: also comprise heat-shrinkable T bush (8), heat-shrinkable T bush (8) is mounted on mobile terminal (2) and stiff end (7) and is wound with the part of dielectric elastomer (5), heat-shrinkable T bush (8) aftercrimp that is heated, plays fixation to dielectric elastomer (5).
8. a kind of electric actuation pin-pulling type insurance institution as described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7, it is characterized in that: described stiff end (7) comprises ladder cylinder (7-1) and two journal stirrups (7-2), ladder cylinder (7-1) inside has stair-stepping macropore (7-3) and aperture (7-4), macropore (7-3) has screw thread, for and spring (4) be threaded, macropore (7-3) outer face has annular groove (7-5), be used for installing heat-shrinkable T bush (8), on the outer face of ladder cylinder (7-1), there is screw thread at journal stirrup (7-2) and annular groove (7-5) mid portion, for and shell (1) threaded engagement fix, on journal stirrup (7-2), there are 2 installing holes (7-6), for the installation of electric actuation pin-pulling type insurance institution in external agency, one side of stiff end (7) has 2 through holes (7-7), be used for putting wire (9).
9. a kind of electric actuation pin-pulling type insurance institution as described in claim 1 or 2 or 3 or 4 or 5 or 6 or 7 or 8, is characterized in that: described dielectric elastomer (5) in film-form VHB series polyacrylic acid elastomer, film-form CF19-2186 colloidal silica, film-form HS3 colloidal silica, film-form HN-1110T type DE material or film-form polyurethane material any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090128.7U CN203719534U (en) | 2014-02-28 | 2014-02-28 | Electrically-actuated pull pin type safety mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420090128.7U CN203719534U (en) | 2014-02-28 | 2014-02-28 | Electrically-actuated pull pin type safety mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN203719534U true CN203719534U (en) | 2014-07-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420090128.7U Withdrawn - After Issue CN203719534U (en) | 2014-02-28 | 2014-02-28 | Electrically-actuated pull pin type safety mechanism |
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| Country | Link |
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| CN (1) | CN203719534U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822534A (en) * | 2014-02-28 | 2014-05-28 | 湖北三江航天红林探控有限公司 | Electrically actuated pull pin type safety mechanism |
| CN108858265A (en) * | 2018-08-10 | 2018-11-23 | 上海交通大学 | Flexible grips based on artificial-muscle |
-
2014
- 2014-02-28 CN CN201420090128.7U patent/CN203719534U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103822534A (en) * | 2014-02-28 | 2014-05-28 | 湖北三江航天红林探控有限公司 | Electrically actuated pull pin type safety mechanism |
| CN103822534B (en) * | 2014-02-28 | 2015-05-20 | 湖北三江航天红林探控有限公司 | Electrically actuated pull pin type safety mechanism |
| CN108858265A (en) * | 2018-08-10 | 2018-11-23 | 上海交通大学 | Flexible grips based on artificial-muscle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20150520 |
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| RGAV | Abandon patent right to avoid regrant |