CN106335653A - Spring-type separation mechanism driven by shape memory polymer composite material - Google Patents
Spring-type separation mechanism driven by shape memory polymer composite material Download PDFInfo
- Publication number
- CN106335653A CN106335653A CN201610839292.7A CN201610839292A CN106335653A CN 106335653 A CN106335653 A CN 106335653A CN 201610839292 A CN201610839292 A CN 201610839292A CN 106335653 A CN106335653 A CN 106335653A
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- Prior art keywords
- spring
- shape memory
- composite material
- polymer composite
- memory polymer
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- 239000002131 composite material Substances 0.000 title claims abstract description 48
- 229920000431 shape-memory polymer Polymers 0.000 title claims abstract description 42
- 230000007246 mechanism Effects 0.000 title claims abstract description 34
- 238000000926 separation method Methods 0.000 title abstract description 9
- 230000036316 preload Effects 0.000 claims description 4
- 239000000835 fiber Substances 0.000 claims description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 229920006231 aramid fiber Polymers 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims 1
- 239000003999 initiator Substances 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 5
- 230000037452 priming Effects 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
- B64G1/00—Cosmonautic vehicles
- B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
- B64G1/222—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles for deploying structures between a stowed and deployed state
Landscapes
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Springs (AREA)
Abstract
The invention discloses a spring-type separation mechanism driven by a shape memory polymer composite material, and relates to a spring-type separation mechanism. The spring-type separation mechanism solves the problems that the existing initiator separation mechanism is complicated, fussy in operation, low in safety and reliability, high in impact during release, non-reusable and the like. The spring-type separation mechanism comprises an upper box cover, an upper box body, a circular sleeve body, a base plate, a plug, a preloading bolt handle, a reset spring, linear slide rails, locking cross rods, shape memory polymer composite material U-shaped parts and a side block, wherein the two linear slide rails are installed on the upper end face of a bottom plate of the upper box body, the inner surfaces of the two locking cross rods are arranged in parallel relatively on the two linear slide rails, two side walls of one shape memory polymer composite material U-shaped part are respectively clamped to one end of each of the two locking cross rods, and two side walls of the other shape memory polymer composite material U-shaped part are respectively clamped to the other end of each of the two locking cross rods. The spring-type separation mechanism is used for separating deployable space structures.
Description
Technical field
The present invention relates to a kind of be applied to the repeatable based on shape memory polymer composite material of deployable space structures
Use, pretightning force is adjustable, the separating mechanism of low impulsive force.
Background technology
The spring separating mechanism that shape memory polymer composite material drives is a kind of equipment that space field uses, can
It is applied to satellite and the rocket separation, deployable antenna, solar energy launches the space development mechanisms such as cell array.Traditional Space deployed configuration point
How with priming system as driving source, including blasting bolt, Huo Gongsuo, sickle etc., there is inconvenience in priming system separating mechanism to structure of disembarking
The shortcomings of storage, transport and operation, not reproducible use, and huge shock wave and fifth wheel chemistry gas when working, can be produced
Body, bomb fragments etc., cause very big impact to satellite.
Content of the invention
, in order to solve existing priming system separating mechanism system complex, trivial operations, safety, reliability are relatively for the present invention
Low, impact excessive during release, the problems such as not reproducible use, and then need to provide a kind of shape-memory polymer composite wood
The spring separating mechanism that material drives.
The present invention is to solve the above problems to adopt the technical scheme that: it includes upper box cover, upper cartridge body, circular body, bottom
Disk, plug, preloading bolt handle, two back-moving springs, two line slide rails, two stop cross bars, two shape-memory polymers are multiple
Condensation material u-shaped part and four slide blocks；Two line slide rails are opposing parallel to be fixedly mounted on the upper surface of upper cartridge body base plate, and position
Through hole is machined with the base plate of upper cartridge body between two line slide rails, and the top of circular body is fixedly mounted in through hole,
The two ends of each stop cross bar are installed with a slide block respectively, and the medial surface of two stop cross bars is opposing parallel to be arranged on two
On individual line slide rail, one end of each stop cross bar is separately positioned on a line slide rail, and one end on each stop cross bar
Slide block be arranged between stop cross bar and line slide rail, two side walls of a shape memory polymer composite material u-shaped part
It is clipped in one end of two stop cross bars respectively, two side walls of another shape memory polymer composite material u-shaped part press from both sides respectively
In the other end of two stop cross bars, each stop cross bar is provided with a back-moving spring, and one end peace of each back-moving spring
It is contained on a stop cross bar, and the other end of each back-moving spring is arranged on the upper cartridge body relative with the lateral surface of stop cross bar
Medial wall on, be machined with arcuate socket in the middle part of the medial surface of each stop cross bar, preloading bolt handle is vertically arranged in two stop horizontal strokes
Arc in the hole between bar, and preload bolt handle top be fixedly connected with plug, the lower surface of plug is stuck in two stop cross bars
Upper surface on, threadeded with chassis in the bottom of preloading bolt handle, preloading bolt handle is arranged on that circular set is internal, and upper box cover passes through spiral shell
Nail lid is contained on upper cartridge body.
The invention has the beneficial effects as follows:
Its crooked position is made to recover straight line shape memory polymer composite material u-shaped part 10 energising by electric wire 5, thus
Make back-moving spring drive the opposite sliding of stop cross bar, release the constraint to plug 8, and then plug 8 is departed from stop cross bar 9, real
Existing isolating construction upper cartridge body 2 is separated with chassis 4；The spring separating mechanism that shape memory polymer composite material drives utilizes
Pressure and the transfer principle of frictional force, separating mechanism can drive stop cross bar 9 to move by the back-moving spring 6 of less pulling force；Shape
Memory composites u-shaped part 10 relies on the deformation-recovery characteristic of material itself, just deployable by driving element 10-2,
Realize the driving to back-moving spring 6 action, launch process reliability height, little to the impulsive force of total system；By Spring Selection,
Change spring pre-tension deformation value, control internal and external threads occlusion depth can change separating mechanism pretightning force, by shape
The deformation of bending repeatedly of memory composites u-shaped part 10 can realize the recycling of separating mechanism, increase and separate
The design flexibility of mechanism, extends range of application, reduces cost simultaneously.
Brief description
Fig. 1 is the integrated model schematic diagram that upper box cover 1 lid of the present invention is contained on upper cartridge body 2, and Fig. 2 is integrated model of the present invention
Schematic diagram, Fig. 3 is, chassis 4, electric wire 5, back-moving spring 6, line slide rail 7, plug 8, stop cross bar 9, shape-memory polymer
Composite u-shaped part 10, slide block 11, preloading bolt handle 12 and cut spring 13 connection diagram, Fig. 4 is that shape-memory polymer is multiple
Condensation material u-shaped part 10 is in schematic diagram during " u " shape, and Fig. 5 is driving element on shape memory polymer composite material u-shaped part 10
Schematic diagram after 10-2 electrified regulation, Fig. 6 is plug 8 of the present invention and two stop cross bars 9 are in critical disengaged position schematic diagram.
Specific embodiment
Specific embodiment one: with reference to Fig. 1-Fig. 6, present embodiment is described, a kind of shape memory described in present embodiment gathers
The spring separating mechanism that compound composite material drives, it include upper box cover 1, upper cartridge body 2, circular body 3, chassis 4, plug 8,
6, two line slide rails of 12, two back-moving springs of preloading bolt handle, 9, two shape-memory polymer composite woods of 7, two stop cross bars
Material u-shaped part 10 and four slide blocks 11；Two line slide rails 7 are opposing parallel to be fixedly mounted on the upper surface of upper cartridge body 2 base plate, and
Through hole is machined with the base plate of upper cartridge body 2 between two line slide rails 7, and the top of circular body 3 be fixedly mounted on logical
In the hole, the two ends of each stop cross bar 9 are installed with a slide block 11 respectively, and the medial surface of two stop cross bars 9 is relatively flat
Row is arranged on two line slide rails 7, and one end of each stop cross bar 9 is separately positioned on a line slide rail 7, and each stops
On dynamic cross bar 9, the slide block 11 of one end is arranged between stop cross bar 9 and line slide rail 7, a shape-memory polymer composite wood
Two side walls of material u-shaped part 10 are clipped in one end of two stop cross bars 9, another shape memory polymer composite material u respectively
Two side walls of type part 10 are clipped in the other end of two stop cross bars 9 respectively, and each stop cross bar 9 is provided with a back-moving spring
6, and one end of each back-moving spring 6 is arranged on a stop cross bar 9, and the other end of each back-moving spring 6 be arranged on
On the relative medial wall of upper cartridge body 2 of the lateral surface of stop cross bar 9, in the middle part of the medial surface of each stop cross bar 9, it is machined with arc
Hole, preloading bolt handle 12 is vertically arranged in the arc in the hole between two stop cross bars 9, and preloads top and the plug 8 of bolt handle 12
It is fixedly connected, the lower surface of plug 8 is stuck on the upper surface of two stop cross bars 9, the bottom of preloading bolt handle 12 and chassis 4 screw thread
Connect, preloading bolt handle 12 is arranged in circular body 3, and upper box cover 1 is contained on upper cartridge body 2 by screw cover.
Specific embodiment two: with reference to Fig. 1-Fig. 6, present embodiment is described, a kind of shape memory described in present embodiment gathers
The spring separating mechanism that compound composite material drives, shape memory polymer composite material u-shaped part 10 includes shape memory and gathers
Compound composite material u-shaped plate 10-1 and driving element 10-2, a side wall of shape memory polymer composite material u-shaped plate 10-1
With bottom junctions, driving element 10-2 is installed, driving element 10-2 is electric drive, thermal drivers, Magnetic driving, optical drive or molten
One of liquid driving, when driving element 10-2 is electric drive, driving element 10-2 is connected with external power source by electric wire 5, enters
And driving shape memory polymer composite material u-shaped plate 10-1 crooked position to recover to straighten, electrically driven (operated) implementation is interior burying
Resistance wire, interior bury electric heating film, external application Electric radiant Heating Film or apply outward conducting resinl heating one of coating, driving element 10-2 acts on
Shape memory polymer composite material u-shaped its crooked position of plate 10-1 is made to recover to straighten, so that back-moving spring drives stop horizontal
The opposite sliding of bar, other compositions and annexation are identical with specific embodiment one.
Specific embodiment three: with reference to Fig. 1-Fig. 6, present embodiment is described, a kind of shape memory described in present embodiment gathers
The spring separating mechanism that compound composite material drives, it is mutually glass that shape memory polymer composite material u-shaped plate 10-1 strengthens
One of fiber, carbon fiber, aramid fiber, boron fibre, graphite powder, nikel powder or CNT, other compositions and annexation
Identical with specific embodiment two.
Specific embodiment four: with reference to Fig. 2, present embodiment is described, a kind of shape-memory polymer described in present embodiment
The spring separating mechanism that composite drives, is threadeded with the top of preloading bolt handle 12 or welds, plug in the bottom of plug 8
8 cross section is one of circle, ellipse, rhombus, hexagon or octagon, plug 8 contact with each stop cross bar 9
Face is plane, inclined-plane, taper seat, with one of raised surface, other compositions and annexation and specific embodiment
One is identical.
Specific embodiment five: with reference to Fig. 2, Fig. 3, present embodiment is described, a kind of shape memory described in present embodiment gathers
The spring separating mechanism that compound composite material drives, it also includes cut spring 13, the bottom of preloading bolt handle 12 with separate bullet
One end of spring 13 is fixedly connected, and the other end of cut spring 13 is fixedly connected with chassis 4, and cut spring 13 cylindrical screw stretches bullet
One of spring, rubber spring, rubber-metal spiral complex spring, the two ends of cut spring 13 are semicircle shackle, circle shackle,
Can swivel hook ring, screw rod adjust tension structure, cock-type adjust structure, support base be nut adjustment structure, straight tail formula adjustment knot
Structure or plate-hanging type adjustment one of structure, the two ends of back-moving spring 6 are semicircle shackle, circle shackle, can swivel hook ring, screw rod adjustment
Tension structure, cock-type adjust structure, support base is the adjustment structure of nut, straight tail formula adjustment structure or plate-hanging type adjust structure
One of, other forms and annexation is identical with specific embodiment one or four.
Specific embodiment six: with reference to Fig. 1-Fig. 3, present embodiment is described, a kind of shape memory described in present embodiment gathers
The spring separating mechanism that compound composite material drives, back-moving spring 6 quantity in each stop cross bar 9 outside can be 1-6 root, many
Individual back-moving spring 6 is installed on stop cross bar 9 in parallel or series, installation site can in the middle of stop cross bar 9, both sides or interval all
One of cloth distribution, other compositions and annexation are identical with specific embodiment one.
Specific embodiment seven:: with reference to Fig. 1, present embodiment is described, a kind of shape memory polymers described in present embodiment
Thing composite drive spring separating mechanism, shape memory polymer composite material drive spring separating mechanism point
Can be bolted from thing, mode connects for screw, glued joint or be fixedly welded in upper box body 2 with chassis 4 on, separator is respectively mounted
Position can be the inner side on upper box body 2 and chassis 4 or outside, and other compositions and annexation are identical with specific embodiment one.
Operation principle
The separating mechanism of present invention shape memory polymer composite material u-shaped part 10 in lock-out state is stuck in " u " type
Stop cross bar 9 two ends, plug 8 overhangs stop cross bar 9, and now between two stop cross bars, aperture is less than plug 8 diameter, can limit stifled
8 moving along axis to chassis, simultaneously because the stretcher strain of cut spring 13, plug 8 deviates from moving of chassis 4 along axis
Limited；When separating, shape memory polymer composite material u-shaped part 10 temperature distortion is in " l " type to separating mechanism, and stop cross bar exists
It is moved away from along slide rail in the presence of back-moving spring, centre bore expands so that plug 8 returns along cut spring 13 axis direction
Receive, the separation of realization.
Claims (5)
1. a kind of shape memory polymer composite material drives spring separating mechanism it is characterised in that: it includes upper box cover
(1), upper cartridge body (2), circular body (3), chassis (4), plug (8), preload bolt handle (12), two back-moving springs (6), two straight
Line slide rail (7), two stop cross bars (9), two shape memory polymer composite materials u-shaped part (10) and four slide blocks (11)；
Two line slide rails (7) are opposing parallel to be fixedly mounted on the upper surface of upper cartridge body (2) base plate, and is located at two line slide rails
(7) through hole is machined with the base plate of upper cartridge body (2) between, and the top of circular body (3) is fixedly mounted in through hole, each stops
The two ends of dynamic cross bar (9) are installed with a slide block (11), the opposing parallel setting of medial surface of two stop cross bars (9) respectively
On two line slide rails (7), one end of each stop cross bar (9) is separately positioned on a line slide rail (7), and each stops
The slide block (11) of the upper one end of dynamic cross bar (9) is arranged between stop cross bar (9) and line slide rail (7), shape memory polymers
Two side walls of thing composite u-shaped part (10) are clipped in one end of two stop cross bars (9), another shape memory polymers respectively
Two side walls of thing composite u-shaped part (10) are clipped in the other end of two stop cross bars (9) respectively, and every electric wire (5) is respectively
It is provided with a back-moving spring (6) with each stop cross bar (9), and one end of each back-moving spring (6) is arranged on one
On stop cross bar (9), and the other end of each back-moving spring (6) is arranged on the upper box relative with the lateral surface of stop cross bar (9)
On the medial wall of body (2), in the middle part of the medial surface of each stop cross bar (9), it is machined with arcuate socket, preloading bolt handle (12) is vertically arranged
Arc in the hole between two stop cross bars (9), and preload bolt handle (12) top be fixedly connected with plug (8), plug (8)
Lower surface be stuck on the upper surface of two stop cross bars (9), threadeded with chassis (4), in advance in the bottom of preloading bolt handle (12)
Carry bolt handle (12) to be arranged in circular body (3), upper box cover (1) is contained on upper cartridge body (2) by screw cover.
2. the spring separating mechanism that a kind of shape memory polymer composite material drives according to claim 1, its feature
It is: shape memory polymer composite material u-shaped part (10) includes shape memory polymer composite material u-shaped plate (10-1) and drives
Dynamic element (10-2), a side wall of shape memory polymer composite material u-shaped plate (10-1) and bottom junctions are provided with drive
Dynamic element (10-2).
3. the spring separating mechanism that a kind of shape memory polymer composite material drives according to claim 2, its feature
It is: it is mutually glass fibre, carbon fiber, aramid fiber, boron fibre that shape memory polymer composite material u-shaped plate (10-1) strengthens
One of dimension, graphite powder, nikel powder or CNT.
4. the spring separating mechanism that a kind of shape memory polymer composite material drives according to claim 1, its feature
It is: threadeded with the top of preloading bolt handle (12) or weld in the bottom of plug (8), the cross section of plug (8) is circular, ellipse
One of circle, rhombus, hexagon or octagon, the contact surface of plug (8) and each stop cross bar (9) is plane, inclined-plane,
Taper seat, with one of raised surface.
5. the spring separating mechanism that a kind of shape memory polymer composite material drives according to claim 1, its feature
It is: it also includes cut spring (13), the bottom of preloading bolt handle (12) is fixedly connected with one end of cut spring (13), separate
The other end of spring (13) is fixedly connected with chassis (4), and cut spring (13) cylindroid helical-coil extension spring, rubber spring, rubber-
One of metal spiral complex spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839292.7A CN106335653B (en) | 2016-09-21 | 2016-09-21 | A kind of spring separating mechanism of shape memory polymer composite material driving |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610839292.7A CN106335653B (en) | 2016-09-21 | 2016-09-21 | A kind of spring separating mechanism of shape memory polymer composite material driving |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106335653A true CN106335653A (en) | 2017-01-18 |
| CN106335653B CN106335653B (en) | 2018-07-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610839292.7A Active CN106335653B (en) | 2016-09-21 | 2016-09-21 | A kind of spring separating mechanism of shape memory polymer composite material driving |
Country Status (1)
| Country | Link |
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| CN (1) | CN106335653B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606737A (en) * | 2018-12-29 | 2019-04-12 | 哈尔滨工业大学 | A kind of locking release and driving rotating mechanism |
| CN112909510A (en) * | 2021-01-27 | 2021-06-04 | 宇联星程(浙江)科技有限公司 | Carbon fiber silver-plated conductive carbon fiber composite material antenna |
| CN113501147A (en) * | 2021-06-08 | 2021-10-15 | 上海宇航系统工程研究所 | Connecting and separating device for spherical detector |
| WO2021209724A1 (en) * | 2020-04-16 | 2021-10-21 | Centre National d'Études Spatiales | Low-shock and reusable retention and release device |
| CN114838770A (en) * | 2022-05-16 | 2022-08-02 | 福州大学 | Shape memory alloy torsional spring mechanical property testing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606737A (en) * | 2018-12-29 | 2019-04-12 | 哈尔滨工业大学 | A kind of locking release and driving rotating mechanism |
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| WO2021209724A1 (en) * | 2020-04-16 | 2021-10-21 | Centre National d'Études Spatiales | Low-shock and reusable retention and release device |
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| CN112909510A (en) * | 2021-01-27 | 2021-06-04 | 宇联星程(浙江)科技有限公司 | Carbon fiber silver-plated conductive carbon fiber composite material antenna |
| CN113501147A (en) * | 2021-06-08 | 2021-10-15 | 上海宇航系统工程研究所 | Connecting and separating device for spherical detector |
| CN113501147B (en) * | 2021-06-08 | 2022-11-18 | 上海宇航系统工程研究所 | Connecting and separating device for spherical detector |
| CN114838770A (en) * | 2022-05-16 | 2022-08-02 | 福州大学 | Shape memory alloy torsional spring mechanical property testing device |
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| Publication number | Publication date |
|---|---|
| CN106335653B (en) | 2018-07-03 |
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