CN209021970U - A kind of pin removal of memorial alloy - Google Patents
A kind of pin removal of memorial alloy Download PDFInfo
- Publication number
- CN209021970U CN209021970U CN201821596439.5U CN201821596439U CN209021970U CN 209021970 U CN209021970 U CN 209021970U CN 201821596439 U CN201821596439 U CN 201821596439U CN 209021970 U CN209021970 U CN 209021970U
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- boss
- pin
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Abstract
A kind of pin removal of memorial alloy, is related to a kind of pin removal, and the pin removal includes control mechanism, driving mechanism, buffer gear;By cage connection, which is that the annulus of two different-diameters is connected by partition for these three parts;Control mechanism is made of front cover, big ball, bead, sliding block, guide sleeve, drive block, plane spring, memory alloy wire and memory alloy wire connector;Driving mechanism by driving spring, spring cup, nut, washer and pin bank at;Spring is compressed spring, one end and shell partition plates path annulus side contacts, and the other end is in spring cup;Buffer gear is made of buffer spring, buffer cover, buffering shell and rear cover;Rear cover is round plate, and there is boss in outside, and boss is equipped with counter sink;Rear cover center is drilled with through-hole;There is threaded hole in the outer lateral deviation of rear cover;There is the circular groove that can install buffer spring above rear cover.The utility model can be used for safing and arming mechanism and the valve starting etc. for aviation aircraft, guided missile, underwater equipment etc..
Description
Technical field
The utility model relates to a kind of pin removals, more particularly to a kind of pin removal of memorial alloy.
Background technique
Currently, the most of pin removals in China are mainly the Fire load that ignitron and mechanical movement means are combined into one
Pin removal or the electromagnetism pin removal being made by electromagnetic conversion principle, Fire load pin removal are mainly the explosion for leaning on explosive
Or burned for energy pushes other mechanism kinematics to complete task, Fire load pin removal can generate biggish vibration when in use
It is dynamic, there is a biggish impact to carrier, and not can be carried out the inspection of function and there are poor safeties using preceding;Electromagnetism is pulled pin
Device needs biggish energy when in use, to the more demanding of the spaceborne power supply of space flight or underwater power source, increases equipment cost, institute
That should not use on some equipment.Therefore, develop low impact, the pin removal that reusable, energy and carrier power supply are adapted
It is necessary.
Memorial alloy is can to generate shape memory effect alloy under certain condition, and memory effect is shown as in high temperature
It is lower memorial alloy is formed after, be cooled to low temperature and apply deformation, when heating from deformation temperature, memorial alloy can be restored to height
Warm shape.Thus pin removal is designed using memory alloy properties will generate positive progress and development.
Summary of the invention
The purpose of this utility model is to provide a kind of pin removal of memorial alloy, set in the utility model pin removal shell
Control mechanism, driving mechanism, buffer gear are set, the pin removal of memorial alloy design utilizes note by small drive control big load
The convergent force generated is shunk when recalling alloy heating and does the driving source of pin removal, it would be desirable to be able to be measured small, be generated when work that impact is small, repeats
It uses.
The purpose of this utility model is achieved through the following technical solutions:
A kind of pin removal of memorial alloy, the pin removal include control mechanism, driving mechanism, buffer gear;These three
By cage connection, which is that the annulus of two different-diameters is connected by partition for part;The installation control of major diameter annulus inner cavity
Driving mechanism and buffer gear are installed in mechanism, path annulus inner cavity;Control mechanism by front cover, big ball, bead, sliding block, guide sleeve,
Drive block, plane spring, memory alloy wire and memory alloy wire connector composition;Front cover is circular bottom plate and two fundamental form of cylinder
The boss that body is constituted, cylindrical side are drilled with the hole vertical with axial line, and opened round through-hole, pin pass through boss from the hole up and down,
The counter sink of fixing screws was opened among bottom plate outer ring and cylinder outer ring, plate outer side is drilled with through-hole and counter sink;Guide sleeve
It is mounted on the lower section of front cover;Drive block is annulus, and internal radius is big as guide sleeve through-hole diameter, and lower trepan has multiple countersunk heads
Hole, upper trepan and the matched cylindrical hole of counter sink, soket head cap screw by these counter sinks and with fixed memory alloy connector
Connection, fixing screws install another memory alloy part, the other end of fixed memory alloy wire above and below drive block among ring;It is sliding
Block is hollow cylinder, there is an annulus above cylinder, and lower section is two annulus;Driving mechanism is by driving spring, spring cup, nut, pad
Circle and pin bank at;Spring is compressed spring, one end and shell partition plates path annulus side contacts, and the other end is in spring cup;Buffering
Mechanism is made of buffer spring, buffer cover, buffering shell and rear cover;Rear cover is round plate, and there is boss in outside, and boss is equipped with heavy
Head bore;Rear cover center is drilled with through-hole;There is threaded hole in the outer lateral deviation of rear cover;There is the circle that can install buffer spring recessed above rear cover
Slot;Buffering shell is stepped cylindrical, and step is equipped with counter sink below cylinder, is cooperated with rear cover threaded hole.
A kind of pin removal of the memorial alloy, the shell major diameter annulus top have connection front cover and satellite it is convex
Platform, boss are equipped with through-hole and counter sink and are connected by counter sink with satellite by through-hole and front cover match, major diameter annulus top
It is also provided with rectangular channel, is cooperated with the rectangular teeth in guide sleeve circular bottom plate;There is the boss being connected with rear cover on the downside of path annulus, it is convex
Platform is equipped with through-hole;The through-hole by pin, cylindrical side are drilled on partition and partition among the boss of the cylinder composition of major diameter annulus side
Face is provided with the slot with the cooperation of plane spring inner ring.
A kind of pin removal of memorial alloy, it is convex that the control mechanism guide sleeve is that circular bottom plate and cylinder are constituted
Platform, cylindrical side are drilled with the hole vertical with axial line, and guide sleeve center is provided with the through-hole by sliding block, is drilled in circular bottom plate logical
The through-hole of fixing screws is crossed, is equipped with rectangular teeth on the outside of circular bottom plate.
A kind of pin removal of memorial alloy, the control mechanism annulus inner ring is formed with can be by guide sleeve boss
Stepped cylindrical, and the half slot that can contain bead is bored as axis using the stepped cylindrical bus, it is I-shaped in drive block annulus outer ring
Type annulus, I-shaped trepan socket cap arc groove up and down is to pass through fixing screws.
A kind of pin removal of memorial alloy, the control mechanism memorial alloy connector secure memory alloy wire
One end, ring is provided with the slot with the cooperation of plane spring outer ring under drive block;Fixing screws are sunk screw, pass through the bottom plate of front cover
Counter sink among outer ring and cylinder outer ring is fixed, and passes through the socket cap circular arc on the through-hole and drive block on guide sleeve bottom plate
Slot.
A kind of pin removal of memorial alloy, the control mechanism hollow cylinder inner ring can be by pins, and in inner ring
The stepped hole of Che Youyu front cover boss cooperation;Vehicle has multi-diameter shaft below cylindrical outer side, is a rounding at ladder, chamfering radius with it is small
The radius of a ball is equal;It is big rounding between hollow cylinder on the inside of the annulus of sliding block top;On the inner ring and shell partition plates of plane spring
The slot cooperation opened of boss, the slot that ring is opened under outer ring and drive block cooperates.
A kind of pin removal of memorial alloy, the driving mechanism spring cup are cylindrical drum, and one end of cylindrical drum has
Sealing, sealing part are drilled with the hole by pin;Pin is cylinder, there is the circular groove equal with the big radius of a ball among cylinder, under cylinder
End is equipped with screw thread;Washer is faced washer;Nut can be threadedly engaged with pin.
A kind of pin removal of memorial alloy, the buffer gear cylinder are interior for through stepped hole, ladder is located at slow
It rushes above shell;Buffer cover is round plate, and center is equipped with through-hole, and buffer spring lid one side contacts with buffer spring, another side
It is contacted with buffering shell inner ring step;Buffer spring is compressed spring.
The advantages of the utility model, is with effect:
The utility model is a kind of pin removal that driving source is done based on memorial alloy.Using the memory performance of memorial alloy,
Shrink the convergent force generated when heating to trained memorial alloy and do the driving source of pin removal, it would be desirable to be able to measure it is small, it is most of
Spaceborne power supply can be met the requirements, and the safety that impact is small, can reuse, before increasing carrier work is generated when work.
The utility model can be widely used for the safing and arming mechanisms such as aviation aircraft, guided missile, underwater equipment and valve starting etc.
Aspect.
Detailed description of the invention
Fig. 1 is the assembling front view of the utility model;
Fig. 2 is the assembly left view of the utility model;
Fig. 3 is A-A cross-sectional view in the assembling front view of the utility model.
Each dash number in figure: the big ball 6- fixing screws 7- of 1- drive block 2- bead 3- guide sleeve 4- sliding block 5- is exhausted
Edge body 8- soket head cap screw 9- memory alloy wire connector 10- plane spring 11- driving spring 12- spring cup 13- pad
Enclose 14- soket head cap screw 15- shell 16- buffering shell 17- buffer spring 18- soket head cap screw 19- rear cover 20- buffering
It covers 21- nut 22- and sells 23- memory alloy wire 24- insulator 25- front cover 26- soket head cap screw.
Specific embodiment
The utility model is described in detail in illustrated embodiment with reference to the accompanying drawing.
The utility model mainly includes control machine by the pin removal based on memorial alloy of small drive control big load
Structure, driving mechanism, buffer gear.These three parts mainly pass through cage connection, which is that the annulus of two different-diameters is logical
Cross partition connection;Control mechanism is installed in major diameter annulus inner cavity, and driving mechanism and buffer gear are installed in path annulus inner cavity;Major diameter circle
The boss of connection front cover and satellite is arranged at ring top, and boss is equipped with through-hole and counter sink and passes through countersunk head by through-hole and front cover match
Hole is connected with satellite, and major diameter annulus top is also provided with rectangular channel, cooperates with the rectangular teeth in guide sleeve circular bottom plate;Path annulus
There is the boss being connected with rear cover in downside, and boss is equipped with through-hole;On partition and partition in the boss of the cylinder composition of major diameter annulus side
Between be drilled with through-hole by pin, cylindrical side is provided with the slot with the cooperation of plane spring inner ring.
Control mechanism mainly by front cover, big ball, bead, sliding block, guide sleeve, drive block, plane spring, memory alloy wire and
Memory alloy wire connector composition.Front cover is the boss that circular bottom plate and two basic body of cylinder are constituted, cylindrical side be drilled with
The vertical hole of axial line, big ball can pass through from this hole, and opened round through-hole above and below boss, pin passes through from the hole, in bottom plate outer ring
With the counter sink for opening fixing screws among cylinder outer ring, plate outer side is drilled with through-hole and counter sink;Before guide sleeve is mounted on
The lower section of lid, the guide sleeve are circular bottom plate and the boss that cylinder is constituted, and cylindrical side is drilled with the hole vertical with axial line, bead
It can pass through from the hole, guide sleeve center is provided with the through-hole by sliding block, the through-hole by fixing screws is drilled in circular bottom plate, circle
Shape plate outer side is equipped with rectangular teeth;Drive block is annulus, and internal radius is big as guide sleeve through-hole diameter, is used in annulus inner ring
Lathe vehicle goes out the stepped cylindrical that can pass through guide sleeve boss, and bores the semicircle that can contain bead as axis using the stepped cylindrical bus
Slot, in drive block annulus outer ring, lathe vehicle goes out I-shaped annulus, and I-shaped trepan socket cap arc groove up and down is to by solid
Determine screw;Lower trepan has multiple counter sinks, upper trepan and the matched cylindrical hole of counter sink, and soket head cap screw passes through these counter sinks
And connect with fixed memory alloy connector, memorial alloy connector secures one end of memory alloy wire, and ring is opened under drive block
There is the slot with the cooperation of plane spring outer ring.Fixing screws are sunk screw, among the bottom plate outer ring and cylinder outer ring of front cover
Counter sink fix, and pass through the socket cap arc groove on the through-hole and drive block on guide sleeve bottom plate, fixing screws are driving
Block installs another memory alloy part, the other end of fixed memory alloy wire in ring centre up and down.Sliding block is hollow cylinder, on cylinder
Fang Youyi annulus, lower section are two annulus;Hollow cylinder inner ring can by pin, and inner ring Che Youyu front cover boss cooperation ladder
Hole;Vehicle has multi-diameter shaft below cylindrical outer side, is a rounding at ladder, chamfering radius is equal with the small radius of a ball;Annulus above sliding block
It is big rounding between inside and hollow cylinder.The cooperation of slot that boss on the inner ring and shell partition plates of plane spring is opened, outer ring with
The slot cooperation that ring is opened under drive block.
Driving mechanism by driving spring, spring cup, nut, washer and pin bank at.Spring is compressed spring, one end and shell
Partition path annulus side contacts, the other end is in spring cup.Spring cup is cylindrical drum, and there are sealing, sealing part in one end of cylindrical drum
It is drilled with the hole by pin.Pin is cylinder, there is the circular groove equal with the big radius of a ball among cylinder, and cylinder lower end is equipped with screw thread.
Washer is faced washer.Nut can be threadedly engaged with pin.
Buffer gear is made of buffer spring, buffer cover, buffering shell and rear cover.Rear cover is round plate, and outside has convex
Platform, boss are equipped with counter sink;Rear cover center is drilled with through-hole;There is threaded hole in the outer lateral deviation of rear cover;Buffering can be installed by having above rear cover
The circular groove of spring.Buffering shell is stepped cylindrical, and step is equipped with counter sink below cylinder, is cooperated with rear cover threaded hole;Cylinder
It is interior to be buffered above shell for through stepped hole, ladder is located at.Buffer cover is round plate, and center is equipped with through-hole, buffer spring lid
It is contacted on one side with buffer spring, another side is contacted with buffering shell inner ring step.Buffer spring is compressed spring.
Embodiment
See Fig. 1, Fig. 2 and Fig. 3: for arming process in fuzes and the pin removal of valve starting by control mechanism, driving machine
Structure and buffer gear composition.
Control mechanism is by front cover 25, guide sleeve 3, sliding block 4, bead 2, big ball 5, plane spring 10,23 and of memory alloy wire
Memory alloy wire connector 9 forms.The counter sink of front cover 25 passes through at the major diameter circle convex platform of soket head cap screw 8 and shell 15
Through-hole cooperation, front cover 25 and shell 15 are connected.Fixing screws 6 are solid by the counter sink of 25 bottom plate outer ring of front cover and cylinder outer ring
It is fixed, and the socket cap arc groove on the through-hole and drive block 1 on 3 bottom plate of guide sleeve is sequentially passed through, and do not have with socket cap arc groove
There is contact;Fixing screws 6 are cased with insulator 7 among the ring up and down of drive block 1, are mounted with that memorial alloy connects on insulator 7
Fitting 9 passes through one end of 9 fixed memory alloy wire of memorial alloy connector.Guide sleeve 3 is mounted on the lower section of front cover 25, and leads to
The rectangular teeth and the rectangular channel on shell 15 for crossing 3 outside of guide sleeve position.Drive block 1 is placed in the lower section of guide sleeve 3 and by interior
The stepped cylindrical of side is matched with the boss of guide sleeve 3 to be merged and can rotate around guide sleeve 3.The outer ring of plane spring 10 and drive block 1
The slot of lower ring cooperates, and inner ring is placed on 15 partition of shell in the slot of cylinder boss.Bead 2 is mounted on the cylindrical side of guide sleeve 3
In hole, and it can be moved radially in hole.Drive block 4 is mounted between guide sleeve 3 and the boss of front cover 25, if bead 2 and driving
The stepped cylindrical of block 1 is tangent, then the multi-diameter shaft rounding of the outer side-lower of sliding block 4 is contacted with bead 2, and sliding block 4 is limited in shell 15
Major diameter annulus top;If bead 2 is jumped into the half slot of 1 inner ring of drive block, the outside of sliding block 4 and bead 2 are tangent, and sliding
Block is located in the middle part of the major diameter annulus of shell 15.Big ball 5 is located in the hole of 25 boss side surfaces of front cover, and can radially slide in hole,
When sliding block 4 is located at the major diameter annulus top of shell 15, the big rounding and big ball of the hollow cylinder inner ring of sliding block 4 are tangent, and will
Big top dome blocks pin 22, it is prevented to be axially moveable in the groove of 22 centre of pin;When sliding block 4 is located at the major diameter circle of shell 15
When in the middle part of ring, big ball is contacted with the annulus on 4 top of sliding block, and tangent with pin or do not contact, and does not have effect of contraction to pin.
Driving mechanism is made of driving spring 11, spring cup 12, pin 22, washer 13 and nut 21.The one of driving spring 12
End and 15 partition path annulus side contacts of shell, the other end is in spring cup 12;The threaded post of pin 22 is sealed across spring cup 12
The hole at place and washer 12 and nut 21 are fixed.Spring cup 12 can slide axially in the path annulus inner cavity of shell 15.
Buffer gear is made of buffer spring 11, buffering shell 16, buffer cover 20 and rear cover 19.On 19 outside boss of rear cover
Through-hole on the downside of the path annulus of counter sink and shell 15 at boss cooperates, by soket head cap screw 14 by rear cover 19 and shell 15
It is connected;The counter sink of step cooperates below threaded hole and buffering 16 cylinder of shell in the outer lateral deviation of rear cover 19, passes through soket head cap screw
18 connect buffering shell 16 with rear cover 19.Buffer cover 20 be installed on buffering shell 16 inside, one side with buffering shell 16 inside
Step contact, another side are contacted with buffer spring 17.Be installed below buffer spring 17 in the groove of the top of rear cover 19, top with
Buffer cover 20 contacts.
Before pin removal movement, driving spring 11 is in compressive state, has effect always to pin 22, and sells intermediate groove
There is big ball 5 to block and cannot move, be applied on big ball 5 in this way, spring force just passes through pin 22, is now in 15 major diameter of shell circle
The power that the sliding block 4 on ring top is passed over by big ball 5, and the power is passed to the bead 2 for blocking sliding block, bead 2 and driving
1 inner ring of block is in contact and immovable, allows for pin removal in this way and is in locking state.
It when movement, is heated to memory alloy wire 23, shrinks it and drive block 1 is driven to rotate, when drive block 1 turns to centainly
When angle, bead 2 is jumped into the half slot on drive block 1, releases the constraint of sliding block 4 in the axial direction, work of the sliding block 4 in big ball 5
In the middle part of the major diameter annulus of lower slider to shell 15, big ball 5 radially slides under the action of pin 22, until releasing the pact to pin 22
Beam, final pin 22, to moving inside whole device, complete unlock under the action of driving spring 11.
When needing to reuse the device, only bullet need to will be driven using external force by rear cover 19 and the centre bore of buffer cover 20
Spring 11 compress, when being compressed to initial position, plane spring drive drive block rotate and push bead 2 move, bead 2 by with
The rounded contact of sliding block 4 pushes 4 to be axially moveable, and sliding block 4 pushes big ball 5 to block pin 22 again, drives after decontroling external force in this way
Spring 11 is in compressive state.
Claims (8)
1. a kind of pin removal of memorial alloy, which is characterized in that the pin removal includes control mechanism, driving mechanism, buffer
Structure;By cage connection, which is that the annulus of two different-diameters is connected by partition for these three parts;Major diameter annulus inner cavity
Control mechanism is installed, driving mechanism and buffer gear are installed in path annulus inner cavity;Control mechanism is by front cover, big ball, bead, cunning
Block, guide sleeve, drive block, plane spring, memory alloy wire and memory alloy wire connector composition;Front cover is circular bottom plate and circle
The boss that two basic body of column is constituted, cylindrical side are drilled with the hole vertical with axial line, and opened round through-hole above and below boss is sold from this
Hole passes through, and the counter sink of fixing screws was opened among bottom plate outer ring and cylinder outer ring, and plate outer side is drilled with through-hole and countersunk head
Hole;Guide sleeve is mounted on the lower section of front cover;Drive block is annulus, and internal radius is big as guide sleeve through-hole diameter, lower trepan
There are multiple counter sinks, upper trepan and the matched cylindrical hole of counter sink, soket head cap screw passes through these counter sinks and and fixed memory
The connection of alloy connector, fixing screws install another memory alloy part, fixed memory alloy wire above and below drive block among ring
The other end;Sliding block is hollow cylinder, there is an annulus above cylinder, and lower section is two annulus;Driving mechanism is by driving spring, spring
Lid, nut, washer and pin bank at;Spring is compressed spring, one end and shell partition plates path annulus side contacts, and the other end is in spring
In lid;Buffer gear is made of buffer spring, buffer cover, buffering shell and rear cover;Rear cover is round plate, and there is boss in outside,
Boss is equipped with counter sink;Rear cover center is drilled with through-hole;There is threaded hole in the outer lateral deviation of rear cover;Buffer spring can be installed by having above rear cover
Circular groove;Buffering shell is stepped cylindrical, and step is equipped with counter sink below cylinder, is cooperated with rear cover threaded hole.
2. a kind of pin removal of memorial alloy according to claim 1, which is characterized in that the shell major diameter annulus top
Have the boss of connection front cover and satellite, boss is equipped with through-hole and counter sink, by through-hole and front cover match, by counter sink with defend
Astrology connects, and major diameter annulus top is also provided with rectangular channel, cooperates with the rectangular teeth in guide sleeve circular bottom plate;Have on the downside of path annulus
The boss being connected with rear cover, boss are equipped with through-hole;It is drilled among the boss of the cylinder composition of major diameter annulus side on partition and partition
By the through-hole of pin, cylindrical side is provided with the slot with the cooperation of plane spring inner ring.
3. a kind of pin removal of memorial alloy according to claim 1, which is characterized in that the control mechanism guide sleeve is
The boss that circular bottom plate and cylinder are constituted, cylindrical side are drilled with the hole vertical with axial line, and guide sleeve center, which is provided with, passes through sliding block
Through-hole, the through-hole by fixing screws is drilled in circular bottom plate, is equipped with rectangular teeth on the outside of circular bottom plate.
4. a kind of pin removal of memorial alloy according to claim 1, which is characterized in that the control mechanism annulus inner ring
It is formed with the stepped cylindrical that can pass through guide sleeve boss, and bores the half slot that can contain bead as axis using the stepped cylindrical bus,
It is I-shaped annulus in drive block annulus outer ring, I-shaped trepan socket cap arc groove up and down is to pass through fixing screws.
5. a kind of pin removal of memorial alloy according to claim 1, which is characterized in that the control mechanism memorial alloy
Connector secures one end of memory alloy wire, and ring is provided with the slot with the cooperation of plane spring outer ring under drive block;Fixing screws are
Sunk screw is fixed by the counter sink among the bottom plate outer ring and cylinder outer ring of front cover, and is passed through logical on guide sleeve bottom plate
Socket cap arc groove on hole and drive block.
6. a kind of pin removal of memorial alloy according to claim 1, which is characterized in that the control mechanism hollow cylinder
Inner ring can by pin, and inner ring Che Youyu front cover boss cooperation stepped hole;Vehicle has a multi-diameter shaft below cylindrical outer side, at ladder
For a rounding, chamfering radius is equal with the small radius of a ball;It is big rounding between hollow cylinder on the inside of the annulus of sliding block top;Plane bullet
The slot cooperation that boss on the inner ring and shell partition plates of spring is opened, outer ring cooperate with the slot that ring under drive block is opened.
7. a kind of pin removal of memorial alloy according to claim 1, which is characterized in that the driving mechanism spring cup is
There are sealing in cylindrical drum, one end of cylindrical drum, and sealing part is drilled with the hole by pin;Pin is cylinder, is had and the big radius of a ball among cylinder
Equal circular groove, cylinder lower end are equipped with screw thread;Washer is faced washer;Nut can be threadedly engaged with pin.
8. a kind of pin removal of memorial alloy according to claim 1, which is characterized in that be in the buffer gear cylinder
Through stepped hole, ladder is located above buffering shell;Buffer cover is round plate, and center is equipped with through-hole, buffer spring lid one side
It is contacted with buffer spring, another side is contacted with buffering shell inner ring step;Buffer spring is compressed spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821596439.5U CN209021970U (en) | 2018-09-29 | 2018-09-29 | A kind of pin removal of memorial alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821596439.5U CN209021970U (en) | 2018-09-29 | 2018-09-29 | A kind of pin removal of memorial alloy |
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Publication Number | Publication Date |
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CN209021970U true CN209021970U (en) | 2019-06-25 |
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ID=66905218
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CN201821596439.5U Expired - Fee Related CN209021970U (en) | 2018-09-29 | 2018-09-29 | A kind of pin removal of memorial alloy |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109048773A (en) * | 2018-09-29 | 2018-12-21 | 沈阳大学 | A kind of pin removal of memorial alloy |
-
2018
- 2018-09-29 CN CN201821596439.5U patent/CN209021970U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109048773A (en) * | 2018-09-29 | 2018-12-21 | 沈阳大学 | A kind of pin removal of memorial alloy |
CN109048773B (en) * | 2018-09-29 | 2024-04-12 | 沈阳大学 | Pin puller for memory alloy |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190625 Termination date: 20210929 |
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