CN106351337B - A kind of radial telescopic net-film composite structure - Google Patents
A kind of radial telescopic net-film composite structure Download PDFInfo
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- CN106351337B CN106351337B CN201610832180.9A CN201610832180A CN106351337B CN 106351337 B CN106351337 B CN 106351337B CN 201610832180 A CN201610832180 A CN 201610832180A CN 106351337 B CN106351337 B CN 106351337B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
- E04B1/3442—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts folding out from a core cell
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Abstract
The invention discloses a kind of radial telescopic net-film composite structures, and by lower part radial telescopic net structure and upper membrane structure composition, grid structure is made of more than two circumferential chain scissor mechanisms and more than two radial chain scissor mechanisms；Radial telescopic net structure is divided into the continuous area Bu Mo each other on the projection surface, and the area Bu Mo includes interior quadrangle, the first intermediate quadrangle, the second intermediate quadrangle and outer quadrangle；Membrane structure is made of the first film unit, the second film unit and third film unit, the first film unit, the second film unit and third film unit by vertical bar and on the membrane material covered form.The present invention by radial chain scissor mechanism and circumferential chain scissor mechanism synchronize stretch, top uses the membrane structure with vertical bar, so that the flexible freedom of rack-film composite structure, expansion and contraction are big；The folding direction that scissors cut with scissors unit is vertical plane, and vertical rigidity is big, and constructs reasonable, design and construction is simple, is particularly suitable for the building of medium and small span.
Description
Technical field
The present invention relates to one kind can open up rack-film composite structure, especially a kind of radial expansion net with top vertical bar
Frame-film composite structure.
Background technique
Deployable structure is a kind of new structure to grow up nearly over half a century, in aerospace, building structure and military work
The fields such as journey play an important role.There are two types of stable configurations for the tool that is mainly characterized by of deployable structure：Completely folded state and complete
Full state of organizing work.In folded state, structure is collapsed in a certain specific shape, under the action of external driving force, structure
Gradually it is unfolded, reaches the working condition being fully deployed, be then locked as stable state.This structure becomes close after folding completely
Bundle shape, be sufficiently spread out it is fixed after reach original operating state, biggish space can be covered.
The characteristics of film grid structure has mixed deployable structure and membrane structure can be opened up.Film grid structure can be opened up to be had using membrane material
Many advantages:
1) from heavy and light.The weight of membrane material only has 1.3-1.5kN/m2, the reduction of grid structure weight makes the support knot of lower part
The cross dimensions on structure and basis can also accordingly reduce, and substantially reduce project cost.
2) energy consumption is reduced, is saved money.Membrane material light transmittance is generally dependent on material and coating, and use scope is from almost
100% transparent to completely opaque.The light transmittance of common buildings membrane material is 15% or so, so even if complete that can open up grid structure
Natural light can also be made full use of when full expansion, use on daytime can reduce artificial light.
3) speed of application is fast.
Summary of the invention
The radial telescopic net-that the present invention provides a kind of vertical rigidities is good, shrinking percentage is big and structure is simply easy to fold
Film composite structure.Meet various functions requirement of the building to grid structure can be opened up, also have many advantages, such as design with it is easy for construction.
In order to achieve the above objectives, the technical solution adopted by the present invention is that：
A kind of radial telescopic net-film composite structure, the composite structure is by lower part radial telescopic net structure and upper membrane
Structure composition, the radial telescopic net structure is by more than two circumferential chain scissor mechanisms and more than two radial chains
Scissor mechanism composition, circumferential chain scissor mechanism arranged concentric, radial chain scissor mechanism is along the circumferential chain scissor mechanism
The radial arrangement of the annulus of formation；Circumferential chain scissor mechanism is connected to annular by multiple circumferential symmetrical scissors hinge units end to end；
Radial chain scissor mechanism is connected to linear end to end by multiple radial symmetric scissors hinge unit；The circumferential symmetrical scissors hinge is by two
The first connecting rod of a equal length hingedly forms among bar, and the radial symmetric scissors hinge is connected by the second of two equal lengths
Bar hingedly forms among bar；Radial chain scissor mechanism and circumferential chain scissor mechanism pass through radial symmetric scissors hinge unit
It hingedly realizes and connect with the first connecting rod end of circumferential symmetrical scissors hinge unit in second connecting rod end；The radial telescopic net knot
Structure is divided into the continuous area Bu Mo each other on the projection surface, and the area Bu Mo includes interior quadrangle, the first intermediate quadrangle, in second
Between quadrangle and outer quadrangle；
Radially chain scissor mechanism is symmetrical for the interior quadrangle, and four vertex of the interior quadrangle include adjacent three
The first vertex, the second vertex and the third top that a radial direction chain scissor mechanism and the circumferential chain scissor mechanism of inside are hingedly formed
Point, and in the hinge joint of the radial chain scissor mechanism of the second vertex and radially adjoining and circumferential chain scissor mechanism
The 4th vertex that point is constituted；Radially chain scissor mechanism is symmetrical for the outer quadrangle, four vertex packet of the outer quadrangle
Include the 5th vertex, the 6th top that the circumferential chain scissor mechanism of adjacent three radial direction chain scissor mechanisms and outside is hingedly formed
Point and the 7th vertex, and positioned at the radial chain scissor mechanism of the 6th vertex and radially adjoining and circumferential chain scissor mechanism
The 8th vertex that the midpoint of hinge joint is constituted；Radially chain scissor mechanism is symmetrical for the first intermediate quadrangle, the centre
Four vertex of quadrangle are located on the radial chain scissor mechanism of adjacent three, wherein two vertex are located at adjacent three
In radial chain scissor mechanism on the radial chain scissor mechanism of two sides and on same circumferential chain scissor mechanism, another two
Vertex is located on a radial chain scissor mechanism among adjacent three radial chain scissor mechanisms and respectively with other two
The spacing of circumferential chain scissor mechanism where a vertex is to be separated by the half of distance between circumferential chain scissor mechanism；Described
Radially chain scissor mechanism is symmetrical for two intermediate quadrangles, and four vertex of the second intermediate quadrangle are located at adjacent three
On radial chain scissor mechanism, wherein two vertex are located at the intermediate radial chain of the radial chain scissor mechanism of adjacent three
On the hinge joint of scissor mechanism and two neighboring circumferential chain scissor mechanism, other two vertex is located at three adjacent diameters
Into chain scissor mechanism on the radial chain scissor mechanism of two sides and between two neighboring circumferential chain scissor mechanism
Midpoint；
Wherein interior quadrangle S, the first intermediate quadrangle is N number of, and the second intermediate quadrangle is M, and outer quadrangle P is a, S=
X/2, N=(Y-2) X/2, M=(Y-1) X/2, P=X/2, X are the number of radial chain scissor mechanism, and Y is circumferential chain scissors
The number of mechanism.
The membrane structure is made of the first film unit, the second film unit and third film unit, first film unit,
The membrane material that two film units and third film unit are covered by vertical bar and above forms.The first film list is connected on the interior quadrangle
Member connects second film unit on the intermediate quadrangle, and the third film unit is connected on the outer quadrangle.Institute
The vertical bar lower end for stating the first film unit is both connected on the second vertex for constituting the interior quadrangle, and second film unit erects
Bar lower end, which is both connected to, constitutes being located on radial chain scissor mechanism of the first intermediate quadrangle and the second intermediate quadrangle
On the midpoint on two vertex；The vertical bar lower end of the third film unit is both connected to the 6th vertex for constituting the outer quadrangle
On.The other end of the vertical bar is fixed with the membrane material, the surrounding of membrane material and the interior quadrangle, the first intermediate quadrangle,
Remaining vertex of two intermediate quadrangles and outer quadrangle is fixed, and the membrane material between the adjacent area Bu Mo is seamlessly transitted in boundary to be connected
It connects.
The radial direction chain scissor mechanism is evenly arranged on the annulus, and the circumferential direction chain scissor mechanism is in annulus
Radially equidistant placement.
The number of the circumferential direction chain scissor mechanism is 3~10, the number of the radial direction chain scissor mechanism is 10~
40.
The first connecting rod is straight-bar.
The first connecting rod is plane straight-bar.
The second connecting rod is straight-bar.
The second connecting rod is plane straight-bar.
The vertical bar is straight-bar.
When flexible rack is in fully unfolded position, membrane material is in tensioning state, bears extraneous and structure itself lotus
It carries, at this time the distance between affixed angle point of film unit maximum；When flexible rack is in contraction state, the affixed angle of film unit
Fold occurs for Distance Shortened between point, membrane material.
Beneficial effect：
The present invention by radial chain scissor mechanism and circumferential chain scissor mechanism synchronize stretch, top is using described
Membrane structure with vertical bar, so that rack-film composite structure is flexible, freely expansion and contraction is big, and its construction is reasonable, design
And construction is simple, it is vertical plane that scissors, which cut with scissors unit folding direction, and grid structure is made to have biggish vertical rigidity.Open and close membrane material
Using meeting the functional requirement of building, and keep dead load light, convenient and quick construction is particularly suitable for building for medium and small span
It builds.
Detailed description of the invention
The present invention is described in more detail with reference to the accompanying drawings and embodiments：
Fig. 1 is rack of the present invention-film combining structure schematic diagram.
Fig. 2 is rack-film composite structure radial direction and the hinged schematic diagram of circumferential chain scissor mechanism.
Fig. 3 is that group radially cuts with scissors cell schematics with the symmetrical scissors of circumferential chain scissor mechanism.
Fig. 4 is 3 kinds of film unit arrangement schematic diagrams for forming membrane structure.
Fig. 5 is the first film unit schematic diagram for forming membrane structure.
Fig. 6 is the second film unit schematic diagram for forming membrane structure.
Fig. 7 is the tertiary membrane cell schematics for forming membrane structure.
Specific embodiment
Referring to Figure of description, more detailed description is made to the present invention：
As shown in Figure 1, a kind of radial telescopic net-film composite structure 1.The composite structure is by lower part radial telescopic net knot
Structure and upper membrane structure composition, wherein grid structure is by 3 circumferential chain scissor mechanisms 2 and 16 radial chain scissor mechanisms
4 compositions.Wherein, circumferential chain scissor mechanism 2 is made of the symmetrical scissors hinge unit 3 of 48 circumferential directions, circumferential 2 edge of chain scissor mechanism
Evenly spaced radial arrangement；Radial chain scissor mechanism 4 is made of 12 radial symmetric scissors hinge units 5, radial chain scissors
Circumferentially uniform intervals are arranged for mechanism 4.
The radial telescopic net structure is divided into the continuous area Bu Mo each other on the projection surface, and the area Bu Mo includes interior four
Side shape AFGH, the first intermediate quadrangle ABCD, the second intermediate quadrangle ACEF and outer quadrangle BIJK.The interior quadrangle
In three vertex FGH be adjacent three radial chain scissor mechanisms and inside circumferential chain scissor mechanism hinge joint, and
Midpoint positioned at the radial chain scissor mechanism of the second vertex H and radially adjoining and the hinge joint of circumferential chain scissor mechanism is constituted
The 4th vertex A；The vertex IJK of the outer quadrangle is the circumferential chain of adjacent three radial chain scissor mechanisms and outside
The point that scissor mechanism is hingedly formed, and positioned at the radial chain scissor mechanism of the 6th vertex K and radially adjoining and circumferential chain
The 8th vertex B that the midpoint of the hinge joint of scissor mechanism is constituted；The first intermediate quadrangle radially chain scissor mechanism pair
Claim, four vertex of the first intermediate quadrangle are located on the radial chain scissor mechanism of adjacent three, wherein the vertex C, D
It is cut on the radial chain scissor mechanism of two sides in adjacent three radial chain scissor mechanisms and positioned at same circumferential chain
In formula mechanism, another two vertex A, B are located at a radial chain scissors machine among the radial chain scissor mechanism of adjacent three
On structure and respectively with other two vertex where circumferential chain scissor mechanism spacing be separated by circumferential chain scissor mechanism it
Between distance half；Radially chain scissor mechanism is symmetrical for the second intermediate quadrangle, and the four of the second intermediate quadrangle
A vertex is located on the radial chain scissor mechanism of adjacent three, wherein the vertex C, F is located at the radial chain scissors of adjacent three
On the hinge joint of the intermediate radial chain scissor mechanism of mechanism and two neighboring circumferential chain scissor mechanism, other two vertex A,
E is located in the radial chain scissor mechanism of adjacent three on the radial chain scissor mechanism of two sides and is located at two neighboring ring
Midpoint between chain scissor mechanism；
Membrane structure is by 88,89 groups of tertiary membrane structural unit of the second membrane structure units of the first membrane structure unit 7,16
At.The first membrane structure unit 7, the second membrane structure unit 8 and tertiary membrane structural unit 9 by vertical bar and on the membrane material 10 covered
Composition.First film unit is arranged on the interior quadrangle AFGH, among the described first intermediate quadrangle ABCD, second
The second membrane structure unit 8 is arranged on quadrangle ACEF, arranges the third membrane structure list on the outer quadrangle BIJK
Member 9.The vertical bar lower end of the first membrane structure unit 7 is connected on the second vertex H for constituting the interior quadrangle AFGH, described
The vertical bar lower end of second membrane structure unit 8, which is both connected to, constitutes the first intermediate intermediate quadrangle of quadrangle ABCD and second
On the radial chain scissor mechanism of ACEF on the midpoint on two vertex；The vertical bar lower end of the tertiary membrane structural unit 9 is connected to
On the 6th vertex K for constituting the outer quadrangle BIJK.The other end of the vertical bar is fixed with the membrane material, the surrounding of membrane material with
The interior quadrangle, the first intermediate quadrangle, the second intermediate quadrangle and outer quadrangle remaining vertex fix, adjacent cloth film
Membrane material between area is connected smoothly in boundary.
As shown in Fig. 2, the connecting node composition of radial chain scissor mechanism and circumferential chain scissor mechanism is as follows：Circumferential chain
Shape scissor mechanism 2 and radial chain scissor mechanism 4 cut with scissors unit interlinking lever end hinged joint 6 by upper and lower two scissors and connect.As a result,
By the effect of the hinged joint, radial chain scissor mechanism and circumferential chain scissor mechanism in grid structure moving process are realized
Synchronization telescope.
Radially the symmetrical scissors hinge unit of chain scissor mechanism and circumferential chain scissor mechanism is mesh to group as shown in Figure 3
Before be most widely used parallel scissors hinge unit.The length of connecting rod of symmetrical scissors hinge unit is equal, and by among connecting rod
One pin-connected joints are connected, and connecting rod is only capable of around vertically relatively rotating with the axis to plane where connecting rod, and other freedom
Degree is restricted completely；The connection between symmetrical scissors hinge unit is by the point articulated realization of boom end articulated simultaneously.The list
The line keeping parallelism of first its end hinged joint during the motion.
As shown in figure 4,3 kinds of film units are covered with entire grid structure when radial telescopic net-film composite structure is fully deployed.
Wherein 8 the first membrane structure units 7 are arranged in the area interior quadrangle Bu Mo, are circumferentially evenly arranged；16 the second membrane structure units 8
It is arranged in the area Bu Mo of the first intermediate quadrangle and the second intermediate quadrangle composition；8 tertiary membrane structural units 9 are arranged in outer
The area quadrangle Bu Mo, is circumferentially evenly arranged.
As shown in figure 5, the first membrane structure unit 7 of innermost circle is arranged on interior quadrangle AFGH, wherein vertex F, H, G exists
At the hinge joint of adjacent innermost circle circumferential direction chain scissor mechanism 2 and radial chain scissor mechanism 4；Vertex A is in radial symmetry axis
On the radial chain scissor mechanism 4 at place, and it is in the middle with adjacent circumferential chain scissor mechanism.The setting of first vertical bar
At vertex H point, 10 upper end of membrane material is fixed on the first vertical bar upper end, lower part and vertex F, G, H concrete mutually.
As shown in fig. 6, the second membrane structure unit 8 is arranged in the first intermediate quadrangle and the second area intermediate quadrangle Bu Mo
It is interior.Four vertex ABCD of the first intermediate quadrangle are located on the radial chain scissor mechanism of adjacent three, wherein vertex
CD is located in the radial chain scissor mechanism of adjacent three on the radial chain scissor mechanism of two sides and is located at same circumferential chain
On scissor mechanism, another two vertex AB is located at a radial chain scissors machine among the radial chain scissor mechanism of adjacent three
On structure and respectively with vertex CD where the spacing of circumferential chain scissor mechanism be to be separated by distance between circumferential chain scissor mechanism
Half；Four vertex ACEF of the second intermediate quadrangle are located on the radial chain scissor mechanism of adjacent three, wherein
Vertex CF is located at the intermediate radial chain scissor mechanism and two neighboring circumferential chain of the radial chain scissor mechanism of adjacent three
On the hinge joint of scissor mechanism, other two vertex AE is located at the diameter of two sides in the radial chain scissor mechanism of adjacent three
Midpoint on chain scissor mechanism and between two neighboring circumferential chain scissor mechanism；Second vertical bar lower end is arranged in
The midpoint of the intermediate radial scissors hinge body of first intermediate quadrangle and the second intermediate quadrangle, top attachment membrane material 10 on
Portion is fixed on vertical bar upper end, the vertex concrete mutually of lower part and quadrangle projection.
As shown in fig. 7, the tertiary membrane structural unit 9 of outmost turns is arranged on outer quadrangle BIJK, vertex I, J, K are adjacent
Outmost turns circumferential direction chain scissor mechanism 2 and radial chain scissor mechanism 4 hinge joint at；Vertex B is where radial symmetry axis
Radial chain scissor mechanism 4 on, and be in the middle with adjacent circumferential chain scissor mechanism.The setting of third vertical bar is being pushed up
At point K point, 10 upper end of membrane material is fixed on third vertical bar upper end, lower part and vertex I, J, K concrete mutually.
Claims (5)
1. a kind of radial telescopic net-film composite structure, the composite structure is by lower part radial telescopic net structure and upper membrane knot
Structure composition, which is characterized in that the radial telescopic net structure is by more than two circumferential chain scissor mechanisms and two or more
Radial chain scissor mechanism composition, circumferential chain scissor mechanism arranged concentric, radial chain scissor mechanism is along the circumferential chain
The radial arrangement for the annulus that shape scissor mechanism is formed；Circumferential chain scissor mechanism cuts with scissors units phase end to end by multiple circumferential symmetrical scissors
It is linked to be annular；Radial chain scissor mechanism is connected to linear end to end by multiple radial symmetric scissors hinge unit；It is described circumferential symmetrical
Scissors hinge is hingedly made of among bar the first connecting rod of two equal lengths, and the radial symmetric scissors hinge is by two length phases
Deng second connecting rod hingedly formed among bar；Radial chain scissor mechanism is cut with circumferential chain scissor mechanism by radial symmetric
It hingedly realizes and connect with the first connecting rod end of circumferential symmetrical scissors hinge unit in the second connecting rod end of formula hinge unit；The radial direction
Flexible grid structure is divided into the continuous area Bu Mo each other on the projection surface, and the area Bu Mo includes interior quadrangle, the first centre four
Side shape, the second intermediate quadrangle and outer quadrangle；
Radially chain scissor mechanism is symmetrical for the interior quadrangle, and four vertex of the interior quadrangle include three adjacent diameters
The first vertex, the second vertex and the third vertex hingedly formed to the circumferential chain scissor mechanism of chain scissor mechanism and inside,
And positioned at the midpoint of the radial chain scissor mechanism of the second vertex and radially adjoining and the hinge joint of circumferential chain scissor mechanism
The 4th vertex constituted；
Radially chain scissor mechanism is symmetrical for the outer quadrangle, and four vertex of the outer quadrangle include three adjacent diameters
The 5th vertex, the 6th vertex and the 7th vertex hingedly formed to the circumferential chain scissor mechanism of chain scissor mechanism and outside,
And positioned at the midpoint of the radial chain scissor mechanism of the 6th vertex and radially adjoining and the hinge joint of circumferential chain scissor mechanism
The 8th vertex constituted；
Radially chain scissor mechanism is symmetrical for the first intermediate quadrangle, and four vertex of the intermediate quadrangle are located at adjacent
Three radial chain scissor mechanisms on, wherein two vertex are located at two sides in the radial chain scissor mechanisms of adjacent three
On radial chain scissor mechanism and it is located on same circumferential chain scissor mechanism, another two vertex is located at the radial chain of adjacent three
On one among shape scissor mechanism radial chain scissor mechanism and respectively with other two vertex where circumferential chain scissors
The spacing of mechanism is to be separated by the half of distance between circumferential chain scissor mechanism；
Radially chain scissor mechanism is symmetrical for the second intermediate quadrangle, and four vertex of the second intermediate quadrangle are located at
On the radial chain scissor mechanism of adjacent three, wherein two vertex are located in the radial chain scissor mechanism of adjacent three
Between on the hinge joint of radial chain scissor mechanism and two neighboring circumferential chain scissor mechanism, other two vertex is located at phase
On the radial chain scissor mechanism of two sides and positioned at two neighboring circumferential chain scissors in the radial chain scissor mechanism of adjacent three
Midpoint between mechanism；
Wherein interior quadrangle S, the first intermediate quadrangle is N number of, and the second intermediate quadrangle is M, and outer quadrangle P is a, S=X/2,
N=（Y-2）X/2, M=（Y-1）X/2, P=X/2, X are the number of radial chain scissor mechanism, and Y is circumferential chain scissor mechanism
Number；
The membrane structure is made of the first film unit, the second film unit and third film unit, first film unit, the second film
The membrane material that unit and third film unit are covered by vertical bar and above forms；First film unit is connected on the interior quadrangle,
Second film unit is connected on the described first intermediate quadrangle and the second intermediate quadrangle, is connected on the outer quadrangle
The third film unit；The vertical bar lower end of first film unit is both connected on the second vertex for constituting the interior quadrangle,
The vertical bar lower end of second film unit, which is both connected to, constitutes being located at for the first intermediate quadrangle and the second intermediate quadrangle
On radial chain scissor mechanism on the midpoint on two vertex；The vertical bar lower end of the third film unit, which is both connected to, to be constituted outside described
On 6th vertex of quadrangle；The other end of the vertical bar is fixed with the membrane material, the surrounding of membrane material and the interior quadrangle, the
Remaining vertex of one intermediate quadrangle, the second intermediate quadrangle and outer quadrangle is fixed, and the membrane material between the adjacent area Bu Mo exists
Boundary is connected smoothly;The radial direction chain scissor mechanism is evenly arranged on the annulus, the circumferential direction chain scissors
Radially equidistant placement of the mechanism in annulus.
2. radial telescopic net according to claim 1-film composite structure, it is characterised in that：The circumferential direction chain scissors
The number of mechanism is 3~10, and the number of the radial direction chain scissor mechanism is 10~40.
3. radial telescopic net according to claim 2-film composite structure, it is characterised in that：The first connecting rod is flat
Face straight-bar.
4. radial telescopic net according to claim 2-film composite structure, it is characterised in that：The second connecting rod is flat
Face straight-bar.
5. radial telescopic net according to claim 1-film composite structure, it is characterised in that：The vertical bar is straight-bar.
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| CN201610832180.9A CN106351337B (en) | 2016-09-19 | 2016-09-19 | A kind of radial telescopic net-film composite structure |
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| CN201610832180.9A CN106351337B (en) | 2016-09-19 | 2016-09-19 | A kind of radial telescopic net-film composite structure |
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| CN106351337B true CN106351337B (en) | 2018-11-27 |
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| JP3707373B2 (en) * | 2000-09-04 | 2005-10-19 | 株式会社大林組 | Shape control method for deformable truss structure |
| JP3747757B2 (en) * | 2000-09-18 | 2006-02-22 | 株式会社大林組 | Retractable roof |
| JP2002180589A (en) * | 2000-12-15 | 2002-06-26 | Mitsubishi Heavy Ind Ltd | Movable-roof-type stadium |
| JP2012007380A (en) * | 2010-06-24 | 2012-01-12 | Tokai Univ | Openable dome |
| CN102605861B (en) * | 2012-03-08 | 2014-04-16 | 东南大学 | Deployable cable pole dome structure |
| CN104912245B (en) * | 2015-06-16 | 2017-03-29 | 中国京冶工程技术有限公司 | A kind of radial direction folding film roof system |
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