CN110375050A - A kind of new spatial Intelligent telescopic transport structure based on multistable curved beam - Google Patents
A kind of new spatial Intelligent telescopic transport structure based on multistable curved beam Download PDFInfo
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- CN110375050A CN110375050A CN201910661835.4A CN201910661835A CN110375050A CN 110375050 A CN110375050 A CN 110375050A CN 201910661835 A CN201910661835 A CN 201910661835A CN 110375050 A CN110375050 A CN 110375050A
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- 230000008859 change Effects 0.000 claims abstract description 4
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- 238000005452 bending Methods 0.000 claims description 12
- 238000005485 electric heating Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 8
- 229920000431 shape-memory polymer Polymers 0.000 claims description 8
- 239000012783 reinforcing fiber Substances 0.000 claims description 5
- 239000004677 Nylon Substances 0.000 claims description 4
- 229920001778 nylon Polymers 0.000 claims description 4
- 230000003447 ipsilateral effect Effects 0.000 claims description 3
- 244000287353 Crassocephalum crepidioides Species 0.000 claims description 2
- 206010016322 Feeling abnormal Diseases 0.000 claims description 2
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- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 230000009477 glass transition Effects 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 238000010792 warming Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 1
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- 230000002708 enhancing effect Effects 0.000 claims 1
- 230000006386 memory function Effects 0.000 abstract description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H35/00—Gearings or mechanisms with other special functional features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/40—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by means of coilable or bendable legs or spiral shaped legs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
A kind of new spatial Intelligent telescopic transport structure based on multistable curved beam, is related to a kind of Intelligent telescopic transport structure.Compound negative stiffness unit cell includes Curved Beam Structure and three support constructions, Curved Beam Structure two sides are arranged symmetrically, and there are two Stiff Blocks to change cross sectional dimensions, every four compound negative stiffness unit cell combinations are fixed into compound negative stiffness honeycomb, spring is fixed among the Curved Beam Structure of the compound negative stiffness unit cell of often opposite two, every eight compound negative stiffness honeycombs form support arm monomer, multiple support arm monomer compositions transport support arm, transport platform with transport support arm one end and be fixedly connected by binder, it transports platform outboard surface and is equipped with and transport part locating cover.With shape memory function, it can be realized flexible by temperature control and bent without dead angle, light weight, strong flexibility can also carry out operation in small space.
Description
Technical field
The present invention relates to a kind of Intelligent telescopic transport structure, especially a kind of new spatial intelligence based on multistable curved beam
Flexible transport structure.
Background technique
Transport structure currently on the market is generally mechanical transmission structure, and each part portion generally uses rigid material system
At, and rigid material elastic deformability is limited, sole mass is also heavier, not flexible in the axial direction, needs in corner
Hinge connection, cannot be integrally formed, the difficulties if in some narrow space operations.
Multistable configuration is a kind of novel light multifunction structure to arouse extensive attention at home and abroad in recent years, due to having
Such as negative stiffness effects, multistable effect, repeatable characteristic special property or function makes it in impact energy-absorbing, modality conversion
Meta Materials, deployable structure etc. have relatively broad application prospect.Multistable configuration is a kind of with higher initial
The mechanical superstructure of rigidity and restorability, it realizes negative stiffness effects using the jump of beam buckling pattern.Multistable configuration
With multistable step response, irreversible transformation can occur during buckling for beam, can not return to original state after unloading, thus
There is a kind of similar locking phenomenon, so that a part deformation can be stored in the structure.
Shape-memory polymer is a kind of with actively reply is deformed and kept under certain heat, electricity, magnetic, light conditioned stimuli
The high molecular polymer of the characteristics of shape, after increasing fibre reinforced phase, intensity also be will increase very much.
To sum up, existing to transport that mechanical architecture quality is heavier, and not flexible in the axial direction needs hinge to connect in corner
It connects, cannot be integrally formed, amorphism memory function.Such as can using multistable configuration combination shape-memory polymer to transport tie
Structure optimizes, to solve it is existing transport mechanical structure there are the drawbacks of have realistic meaning.
Summary of the invention
The purpose of the present invention is to provide a kind of new spatial Intelligent telescopic transport structure based on multistable curved beam, with solution
The certainly above problem.
To achieve the above object, the present invention takes following technical proposals: a kind of new spatial intelligence based on multistable curved beam
Flexible transport structure, including transport support arm and transport platform, the support arm that transports includes several compound negative stiffness lists
Born of the same parents, the compound negative stiffness unit cell include Curved Beam Structure and three support constructions, and the Curved Beam Structure, which uses, contains reinforcing fiber
Shape-memory polymer, the support construction use nylon, three support constructions respectively with Curved Beam Structure among and both ends hang down
It is directly fixed as one, two support constructions positioned at both ends are located at ipsilateral and are arranged oppositely with support construction is located in the middle, bent
Girder construction two sides are arranged symmetrically, and there are two Stiff Blocks to change cross sectional dimensions, every four compound negative stiffness unit cell combination fixations
At compound negative stiffness honeycomb, four compound negative stiffness unit cells of the compound negative stiffness honeycomb are opposite two-by-two
The fixed stud structure for forming vertical and horizontal bi-directional symmetrical that reclines unilateral later, the song of the compound negative stiffness unit cell of often opposite two
It is fixed with spring among girder construction, successively fixed enclose is positive eight to every circumferential unilateral head and the tail of eight compound negative stiffness honeycombs
Side shape forms support arm monomer, and along axial direction, successively fixed composition transports support arm to multiple support arm monomers, transports support arm
Straight line stretching, extension and the bending without dead angle can be realized by carrying out temperature regulation to Curved Beam Structure, it is described to transport platform and transport support
Arm one end is fixedly connected by binder, is transported platform outboard surface and is equipped with and transports part locating cover, described to transport part locating cover
Shape is hemispherical shell and its open end is formed with male connection, transports platform outboard surface and is formed with internal screw thread article putting groove, defeated
Fortune part locating cover is by the male connection and transports the internal screw thread article putting groove of platform and is spirally connected fixation.
Compared with prior art, the beneficial effects of the present invention are: compound negative stiffness unit cell of the invention is remembered with shape
Recall function, multiple stable states can be realized by temperature control, realize in the axial direction flexible and bent without dead angle, single
Direction maximum bending angle is 180 °, has zero effects of Poisson's ratio, and sectional dimension is constant, transversal during stretching with bending
Ovalization will not occur as original shape always for face, and Curved Beam Structure has multiple stable states, temperature-resistant to carry out certainly
Lock, does not need auxiliary equipment, does not need hinge connection in corner, can orient carrying, transport, has big transmission, big rotation
The characteristics of, it can quickly store, stretch and be bent, realize one-dimensional, two-dimentional, three-dimensional motion, light weight, strong flexibility, narrow
Space can also carry out operation, and the research and application to transport structure have realistic meaning.
Detailed description of the invention
Fig. 1 is the schematic diagram of compound negative stiffness unit cell of the invention by unfolded state to compressive state；
Fig. 2 is the schematic diagram of compound negative stiffness honeycomb of the invention in compressive state；
Fig. 3 is the schematic diagram of compound negative stiffness honeycomb of the invention in unfolded state；
Fig. 4 is the axonometric drawing of support arm monomer of the invention；
Fig. 5 is the schematic diagram transported when support arm is bent of the invention；
Fig. 6 is the axonometric drawing transported after support arm bending of the invention；
Fig. 7 is the axonometric drawing for transporting its curved outside after support arm is bent of the invention；
Fig. 8 is the axonometric drawing for transporting its curved interior after support arm is bent of the invention；
Fig. 9 is the schematic diagram of the new spatial Intelligent telescopic transport structure of the invention based on multistable curved beam；
Figure 10 is of the invention to transport part locating cover and transport the fractionation structural representation of platform；
Figure 11 is the schematic diagram for transporting support arm and carrying out two-dimentional sinus shaped movement of the invention；
Figure 12 is the schematic diagram for transporting support arm and carrying out two-dimentional stepwise articulation of the invention；
Figure 13 is the schematic diagram for transporting support arm and carrying out two-dimensional circle circulatory motion of the invention；
Figure 14 is the schematic diagram for transporting support arm and carrying out the movement of three-dimensional spiral shape of the invention；
Figure 15 is the schematic diagram for transporting support arm and carrying out three-dimensional any direction movement of the invention；
Figure 16 is the schematic diagram of two kinds of mutation structures of Curved Beam Structure of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, is clearly and completely retouched to the technical solution in the present invention
It states, it is clear that described embodiment is only a part of the embodiment of invention, instead of all the embodiments, based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall within the protection scope of the present invention.
Specific embodiment 1: the invention discloses a kind of novel airs based on multistable curved beam as shown in Fig. 1~Figure 10
Between Intelligent telescopic transport structure, including transport support arm 11 and transport platform 12, the support arm 11 that transports includes several compound
Type negative stiffness unit cell 1, the compound negative stiffness unit cell 1 include Curved Beam Structure 1-1 and three support construction 1-2, the curved beam
Structure 1-1 uses the shape-memory polymer containing reinforcing fiber, and the support construction 1-2 uses nylon, three support construction 1-2
Respectively and among Curved Beam Structure 1-1 and both ends are vertical is fixed as one, two support construction 1-2 positioned at both ends be located at it is ipsilateral simultaneously
It is arranged oppositely with support construction 1-2 is located in the middle, the two sides Curved Beam Structure 1-1 are arranged symmetrically, and there are two Stiff Block 1-3 to change
Cross sectional dimensions, every four compound combinations of negative stiffness unit cell 1 are fixed into compound negative stiffness honeycomb 2, described compound
After the compound negative stiffness unit cell 1 of four of negative stiffness honeycomb 2 is opposite two-by-two unilateral side recline it is fixed formed it is vertical and horizontal two-way right
The stud structure of title is fixed with spring 2-1 among the Curved Beam Structure 1-1 of the compound negative stiffness unit cell 1 of often opposite two, often
Successively fixed enclose is that octagon forms support arm monomer 3 to eight compound circumferential unilateral head and the tail of negative stiffness honeycomb 2, more
Along axial direction, successively fixed composition transports support arm 11 to a support arm monomer 3, and transporting support arm 11 can be by Curved Beam Structure
1-1 carries out temperature regulation and realizes straight line stretching, extension and the bending of no dead angle, described to transport platform 12 and pass through with 11 one end of support arm is transported
Binder is fixedly connected, and is transported 12 outer surface of platform and is equipped with and transports part locating cover 13, described to transport 13 shape of part locating cover
For hemispherical shell and its open end is formed with male connection 13-1, transports 12 outer surface of platform and is formed with internal screw thread article putting groove
12-1 transports part locating cover 13 and passes through the male connection 13-1 and the internal screw thread article putting groove 12-1 spiral shell for transporting platform 12
Connect fixation.
Specific embodiment 2: as shown in Figure 1,5, present embodiment is made furtherly to specific embodiment one
Bright, several compound negative stiffness unit cells 1 are in unfolded state and in the vitrifyings of the material higher than the Curved Beam Structure 1-1
It in the case where transition temperature, carries compressed under driving outside, generate bending deformation and moulded, shape is natural after the completion of moulding
It cools down and fixes and transport support arm 11 described in composition, when to the whole Curved Beam Structure 1-1 for transporting support arm 11 while being warming up to phase
Synthermal, whole Curved Beam Structure 1-1, which return back to unfolded state release prestressing force, makes to transport the stretching, extension of 11 straight line of support arm, when to transporting
The Curved Beam Structure 1-1 heating duration of 11 curved outside of support arm is greater than the Curved Beam Structure 1-1 heating duration of curved interior, and bending is outer
The Curved Beam Structure 1-1 that the Curved Beam Structure 1-1 expansion of side is greater than curved interior makes to transport support arm 11 to curved interior generation bending.
Specific embodiment 3: as shown in Figure 1, present embodiment is made furtherly to specific embodiment two
Bright, electric heating sheets are pasted onto containing under initial, expanded condition using polyimide adhesive by the two sides of the Curved Beam Structure 1-1
The inner surface of the shape-memory polymer of reinforcing fiber carries out temperature regulation to the electric heating sheets by temperature controller,
To regulate and control the temperature of Curved Beam Structure 1-1.
Specific embodiment 4: as shown in figure 4, present embodiment is made furtherly to specific embodiment one
It is bright, it is seamlessly connected between the compound negative stiffness honeycomb 2 by hot setting, it is compound to be seamlessly connected
2 interface of type negative stiffness honeycomb is set as slope surface.
Specific embodiment 5: as shown in figure 5, present embodiment is made furtherly to specific embodiment one
Bright, the support arm 11 that transports is the thin structure in the thick head in root, and material is saved in the case where not influencing intensity.
Specific embodiment 6: as shown in Fig. 1,16, present embodiment be specific embodiment one is made it is further
Illustrate, the Curved Beam Structure 1-1 can be replaced two kinds of mutation structures, including one 1-11 of curved beam mutation structure and curved beam mutation structure
The cross sectional dimensions of two 1-12, one 1-11 of curved beam mutation structure are the wide form in intermediate narrow both ends, the curved beam mutation knot
The cross sectional dimensions of two 1-12 of structure is the narrow form in intermediate wide both ends.
Specific embodiment 7: as shown in Figure 10, present embodiment is made furtherly to specific embodiment one
Bright, 13 inner wall of part locating cover that transports uniformly is fixed with more radial springs 14, and every 14 free end of radial spring is solid
Surely there is supporting block 14-1.
Shown in referring to Fig.1, increase Stiff Block 1-3 on Curved Beam Structure 1-1 to increase cross section of the Curved Beam Structure 1-1 at this
Size if increasing more Stiff Block 1-3 at different positions, or changes the cross-sectional area of different parts Curved Beam Structure 1-1,
Referring to Fig.1 shown in 6, mutation is carried out to Curved Beam Structure 1-1, such as intermediate narrow both ends wide one 1-11 of curved beam mutation structure and centre are wide
Narrow two 1-12 of curved beam mutation structure in both ends, is then easy to happen buckling in the relatively small position of cross sectional dimensions, may be implemented
Multistable function is conducive to configuration of the stable structure in bending, referring to shown in Fig. 2~3, compound negative stiffness honeycomb 2
Increasing spring 2-1 makes it when compression and expansion, has prestressing force in spring 2-1 storage inside, is easier to compound negative rigid
Spend the compression and expansion of honeycomb 2.
Shown in referring to Fig.1~5, by the support construction 1-2 made of nylon and by the shape memory polymers containing reinforcing fiber
Curved Beam Structure 1-1 fixed Combination made of object is at transporting support arm 11, wherein epoxy resin shape can be used in Curved Beam Structure 1-1
Memory polymer simultaneously surface setting fiber enhanced, be put under initial, expanded condition in sweat box under the conditions of 90 DEG C into
It row hot setting 2 hours, is carried out again under the conditions of 120 DEG C hot setting 1 hour, then, taking-up transports support arm 11 to curved beam
Structure 1-1 pastes electric heating sheets, will post the sweat box for transporting support arm 11 and being put into 100~120 DEG C of electric heating sheets, specific temperature
Degree is determined according to the glass transition temperature Tg of Curved Beam Structure 1-1 material, generally than 0~20 DEG C of Tg high, is put in sweat box
It sets 10 minutes, material reaches after Tg softens to be taken out from sweat box, is pressed by compression machine or external force support arm 11 is transported
Contracting, material restores room temperature and simultaneously keeps shape motionless, referring to Fig. 9, shown in 10, will transport platform 12 and is installed to by binder and transport
The head of support arm 11, transports part locating cover 13 and transports platform 12 and be spirally connected and be easily installed disassembly, transports 13 inner wall of part locating cover
More radial springs 14 are uniformly fixed with, 14 free end of radial spring is fixed with supporting block 14-1, can compress to part is transported
Positioning, electric heating sheets pass through electric wire and temperature controller is electrically connected, and electric wire is arranged in the inside for transporting support arm 11, are powered
Temperature regulation is carried out to electric heating sheets by temperature controller afterwards, electric heating sheets heat Curved Beam Structure 1-1, Curved Beam Structure 1-1
The state of expansion will be gradually returned to, if wanting that it is allowed to stop at a certain state, stops heating up when reaching the state and keep
Temperature need to only control identical circumferential position if only needing to transport the straight line stretching, extension that support arm 11 carries out motion in one dimension
Electric heating sheets heating time and temperature are identical, allow the Curved Beam Structure 1-1 of identical circumferential position to be in same stable state, referring to figure
It shown in 5~7, if desired transports support arm 11 and is bent, then need to only control curved when the electric heating sheets heating of identical circumferential position
Bent outside heating duration is larger, so that it is more smaller toward the Curved Beam Structure 1-1 expansion of curved interior, more it is in compressive state, bending
The compression of inside is larger, and the compression of curved outside is smaller, and the intermediate stable state that intermediate position is in the two carries out transition, transports
Support arm 11 regulates and controls achievable two dimension sinus shaped movement shown in 1 referring to Fig.1, referring to Fig.1 2 by the temperature at differently curved position
Shown in two dimension stepwise articulation, referring to Fig.1 two-dimensional circle circulatory motion shown in 3, referring to Fig.1 three-dimensional spiral shape shown in 4 transport
The dynamic and movement of three-dimensional any direction shown in 5 referring to Fig.1, meets the needs of support transports.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in the form of others dress body.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that by all in the meaning and scope for the condition of equivalent for falling in claim
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (7)
1. a kind of new spatial Intelligent telescopic transport structure based on multistable curved beam, it is characterised in that: including transporting support arm
(11) it and transports platform (12), the support arm (11) that transports includes several compound negative stiffness unit cells (1), described compound negative
Rigidity unit cell (1) includes Curved Beam Structure (1-1) and three support constructions (1-2), and the Curved Beam Structure (1-1) is using fine containing enhancing
The shape-memory polymer of dimension, the support construction (1-2) use nylon, three support constructions (1-2) respectively with Curved Beam Structure
(1-1) is intermediate and both ends are vertically fixed as one, and two support constructions (1-2) positioned at both ends are located at ipsilateral and intermediate with being located at
Support construction (1-2) be arranged oppositely, the Curved Beam Structure two sides (1-1) be symmetrical arranged there are two Stiff Block (1-3) it is transversal to change
Face size, every four compound negative stiffness unit cell (1) combinations are fixed into compound negative stiffness honeycomb (2), described compound
Unilateral side reclines fixed formation vertical and horizontal pair the compound negative stiffness unit cell (1) of four of negative stiffness honeycomb (2) later relatively two-by-two
To symmetrical stud structure, bullet is fixed among the Curved Beam Structure (1-1) of the compound negative stiffness unit cell (1) of often opposite two
Spring (2-1), successively fixed enclose is octagon composition branch to every circumferential unilateral head and the tail of eight compound negative stiffness honeycombs (2)
Brace monomer (3), along axial direction, successively fixed composition transports support arm (11) to multiple support arm monomers (3), transports support arm
(11) it can realize that straight line stretching, extension is bent with no dead angle by carrying out temperature regulation to Curved Beam Structure (1-1), it is described to transport platform
(12) with transport support arm (11) one end and be fixedly connected by binder, transport platform (12) outer surface and be equipped with that transport part fixed
Position cover (13), part locating cover (13) shape that transports is that hemispherical shell and its open end are formed with male connection (13-1),
It transports platform (12) outer surface and is formed with internal screw thread article putting groove (12-1), transport part locating cover (13) and pass through the male connection
(13-1) and the internal screw thread article putting groove (12-1) for transporting platform (12) are spirally connected fixation.
2. a kind of new spatial Intelligent telescopic transport structure based on multistable curved beam according to claim 1, feature
Be: several compound negative stiffness unit cells (1) are in unfolded state and in the materials higher than the Curved Beam Structure (1-1)
It in the case where glass transition temperature, carries compressed under driving outside, generate bending deformation and moulded, shape moulds completion
Support arm (11) are transported described in natural cooling and fixed composition afterwards, when to the whole Curved Beam Structures (1-1) for transporting support arm (11)
Simultaneously be warming up to it is mutually synthermal, whole Curved Beam Structures (1-1) return back to unfolded state discharge prestressing force make to transport support arm (11)
Straight line stretching, extension, when the curved beam for being greater than curved interior to Curved Beam Structure (1-1) the heating duration for transporting support arm (11) curved outside
Structure (1-1) heating duration, the Curved Beam Structure (1-1) that Curved Beam Structure (1-1) expansion of curved outside is greater than curved interior make defeated
It transports support arm (11) and generates bending to curved interior.
3. a kind of new spatial Intelligent telescopic transport structure based on multistable curved beam according to claim 2, feature
Be: electric heating sheets are pasted under initial, expanded condition by the two sides of the Curved Beam Structure (1-1) using polyimide adhesive
The shape-memory polymer containing reinforcing fiber inner surface, by temperature controller to the electric heating sheets carry out temperature tune
Control, to regulate and control the temperature of Curved Beam Structure (1-1).
4. a kind of new spatial Intelligent telescopic transport structure based on multistable curved beam according to claim 1, feature
It is: is seamlessly connected between the compound negative stiffness honeycomb (2) by hot setting, to be seamlessly connected,
Compound negative stiffness honeycomb (2) interface is set as slope surface.
5. a kind of new spatial Intelligent telescopic transport structure based on multistable curved beam according to claim 1, feature
Be: described transport support arm (11) are the thin structure in the thick head in root, and material is saved in the case where not influencing intensity.
6. a kind of new spatial Intelligent telescopic transport structure based on multistable curved beam according to claim 1, feature
Be: the Curved Beam Structure (1-1) can be replaced two kinds of mutation structures, including curved beam mutation structure one (1-11) and curved beam mutation
Structure two (1-12), the cross sectional dimensions of the curved beam mutation structure one (1-11) are the wide form in intermediate narrow both ends, the song
The cross sectional dimensions of beam mutation structure two (1-12) is the narrow form in intermediate wide both ends.
7. a kind of new spatial Intelligent telescopic transport structure based on multistable curved beam according to claim 1, feature
Be: described part locating cover (13) inner wall that transports uniformly is fixed with more radial springs (14), the every radial spring (14)
Free end is fixed with supporting block (14-1).
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| CN201910661835.4A CN110375050B (en) | 2019-07-22 | 2019-07-22 | Spatial intelligent telescopic transportation structure based on multi-stable curved beam |
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| CN201910661835.4A CN110375050B (en) | 2019-07-22 | 2019-07-22 | Spatial intelligent telescopic transportation structure based on multi-stable curved beam |
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| CN110375050B CN110375050B (en) | 2021-09-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113309784A (en) * | 2021-06-16 | 2021-08-27 | 西北工业大学 | Geometric nonlinear adjustable multi-stable-state device |
| CN113337033A (en) * | 2021-06-29 | 2021-09-03 | 哈尔滨工业大学 | Preparation of thermally-deformed support arm and method for regulating and controlling unfolding state of space reflector by using thermally-deformed support arm |
| CN114111461A (en) * | 2021-12-03 | 2022-03-01 | 哈尔滨工业大学 | Three-dimensional negative-stiffness elastic frame |
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