CN109469205B - Expandable unit type double-layer reticulated shell structure - Google Patents
Expandable unit type double-layer reticulated shell structure Download PDFInfo
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- CN109469205B CN109469205B CN201811454456.XA CN201811454456A CN109469205B CN 109469205 B CN109469205 B CN 109469205B CN 201811454456 A CN201811454456 A CN 201811454456A CN 109469205 B CN109469205 B CN 109469205B
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- web member
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- member connecting
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- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 23
- 238000010276 construction Methods 0.000 abstract description 7
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000719178 Carangoides ruber Species 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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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
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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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
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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
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
Abstract
The invention discloses an expandable unit type double-layer reticulated shell structure, which comprises an upper chord structure, a web member structure and a lower chord structure which can be disassembled and assembled, wherein the web member structure is detachably connected between the upper chord structure and the lower chord structure; the upper chord structure and the lower chord structure are arc-shaped face frame structures formed by movably connecting a plurality of face frames through chord member connecting assemblies and can be folded and stacked; the web member structure is an arc-shaped face frame structure formed by connecting a plurality of web member units through web member connecting assemblies and can be folded and stacked. The invention does not need to adopt a single-rod single-node scattered assembly mode for installation, greatly reduces the installation difficulty and can effectively reduce the installation risk; during installation, each structural unit can be subjected to telescopic shaping firstly, and then assembled from single structure to whole structure, so that the construction efficiency and the construction quality can be greatly improved; the structural units can be stacked or contracted, so that the structural units can be conveniently transported and installed in a narrow area such as an underground space; the structural unit can be reused, and is convenient to detach and overhaul.
Description
Technical Field
The invention relates to the technical field of building design, in particular to a deployable unit type double-layer latticed shell structure.
Background
The double-layer reticulated shell structure is widely applied to roofs of factory buildings, storage bins and large-span structures, and the loading effect borne by the whole structure is simply and efficiently transferred to each rod piece through the axial stress characteristic of the structure. At present, a double-layer reticulated shell structure is generally installed by adopting a high-altitude bulk method, a block hoisting method and an integral hoisting method during installation, and the following problems exist in the installation due to the structural complexity and the specificity of the double-layer reticulated shell structure: 1. the number of the bolt balls or the welding ball joints is large, and the design and construction quality is difficult to ensure; 2. the rod piece type and quantity are numerous and complicated, the field installation workload is large, the installation speed is low, and the error rate is high; 3. the work load of the high-altitude bulk scaffold is large, and the construction period is long; 4. the integral hoisting method needs enough space conditions of the ground installation site, and has more installation limiting conditions; 5. the routine double-layer reticulated shell has poor daily disassembly and maintenance and poor reusability.
The main reason for the problems is that the whole structure of the existing double-layer latticed shell structure is complex, and no matter what installation mode is needed, scattered single rods and single nodes are assembled, so that the installation is difficult, the efficiency is low, and the installation work is easy to cause problems.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the expandable unit type double-layer reticulated shell structure is simple to install, high in installation efficiency and capable of being reused after being disassembled.
The technical scheme adopted by the invention for solving the technical problems is as follows: the expandable unit type double-layer reticulated shell structure comprises an upper chord structure, a web member structure and a lower chord structure, wherein the web member structure is detachably connected between the upper chord structure and the lower chord structure; the upper chord structure and the lower chord structure are arc-shaped face frame structures formed by movably connecting a plurality of face frames through chord member connecting assemblies and can be folded and stacked; the web member structure is an arc-shaped net structure formed by connecting a plurality of web member units through web member connecting assemblies and can be folded and stacked.
Further is: the face frame is a rectangular face frame formed by a longitudinal horizontal chord member and a transverse horizontal chord member; the longitudinal horizontal chords of the adjacent face frames are fixedly connected to the corresponding chord member connecting assemblies, the transverse horizontal chords of the adjacent face frames are movably connected to the corresponding chord member connecting assemblies and can rotate in the vertical direction, and the longitudinal horizontal chords and the transverse horizontal chords are mutually perpendicular on the same horizontal plane.
Further is: the rotation angle between the two horizontal chords on the chord member connecting assembly is 60-300 degrees.
Further is: the chord member connecting assembly is provided with two first spring reels, the first spring reels are connected with telescopic first flexible cables, the outgoing line directions of the two first spring reels are opposite, and the first flexible cables are connected with corresponding face frames.
Further is: the web member units are rectangular pyramid frame structures formed by movably connecting four web member main rods and four web member auxiliary rods; the lower ends of the four web member main rods on the same web member unit are movably connected to the lower web member connecting assembly, the four web member auxiliary rods on the same web member unit are movably connected to the upper auxiliary member connecting member, and the upper ends of the web member main rods of the adjacent web member units are movably connected to the web member connecting assembly.
Further is: the web member connecting assembly is formed by splicing four web member connecting units through connecting fasteners, the web member main rod is movably connected to the lower end of the web member connecting units and can rotate in the vertical direction, and the web member auxiliary rod is movably connected to the upper end of the web member connecting units and can rotate in the vertical direction.
Further is: the web member unit still includes the locking pole, the vertical setting of locking pole and upper end are connected with upper portion auxiliary rod connecting piece, lower part web member coupling assembling upper end is equipped with the locking pole jack, and when the web member unit was expanded, the lower extreme of locking pole was inserted in the locking pole jack.
Further is: the lower part web member coupling assembling's lower extreme is equipped with the lower chord connecting piece, chord member coupling assembling upper end be equipped with lower chord connecting piece assorted web member connecting hole, when web member structure and with lower chord structure are connected, lower chord connecting piece inserts in the web member connecting hole.
Further is: the web member connecting unit is provided with a second spring reel, and the second spring reel is connected with a telescopic second flexible cable.
Further is: the web member connecting unit is further provided with an upper chord connecting hole, the lower end of the chord member connecting assembly is provided with a bolt matched with the upper chord connecting hole, and when the web member structure is connected with the lower chord structure, the bolt is inserted into the upper chord connecting hole.
The beneficial effects of the invention are as follows:
(1) According to the invention, the double-layer latticed shell structure is assembled through the detachable upper chord structure, the web member structure and the detachable lower chord structure, and the assembly mode of single-rod and single-node assembly is not needed, so that the assembly difficulty is greatly reduced, and the assembly risk can be effectively reduced;
(2) The upper chord structure, the web member structure and the lower chord structure adopted by the invention are respectively composed of a plurality of independent and detachable structural units, when the upper chord structure, the web member structure and the lower chord structure are installed, the telescopic shaping can be carried out on each structural unit firstly, and then the upper chord structure, the web member structure and the lower chord structure are assembled from a single structure to an integral structure, so that the construction efficiency and the construction quality can be greatly improved;
(3) The upper chord structure, the web member structure and the lower chord structure which are composed of the structural units can be stacked or contracted, so that the quantity of the structural transportation body is reduced, and the transportation and the entrance installation in a narrow area such as an underground space are facilitated;
(4) The invention is convenient to disassemble and assemble, and each structural unit can be disassembled and assembled independently, thereby being beneficial to the recycling of the structural units and the disassembly and maintenance of the structural units.
Drawings
FIG. 1 is a schematic illustration of the present invention assembled;
FIG. 2 is a schematic view of the winding structure after being folded;
FIG. 3 is a schematic view of the winding structure after deployment;
FIG. 4 is a schematic view of the web member structure after being gathered;
FIG. 5 is a side view of the web member structure after deployment;
FIG. 6 is a top view of the web member structure after deployment;
FIG. 7 is a schematic view of the lower chord structure after being gathered;
FIG. 8 is a schematic view of the lower chord structure after deployment;
FIG. 9 is a top view of the chord connection assembly;
FIG. 10 is a side view of the chord connection assembly;
FIG. 11 is a side view of the chord connection assembly;
FIG. 12 is a schematic view of the web member unit after being gathered;
FIG. 13 is a schematic view of the web member unit after deployment;
FIG. 14 is a top view of the web link assembly;
FIG. 15 is a top view of the web member connection unit;
FIG. 16 is a side view of the web member connection unit;
FIG. 17 is a side view of the web member connection unit;
FIG. 18 is a side view of the lower web link assembly;
FIG. 19 is a side view of the upper secondary rod link;
marked in the figure as: 1-upper chord structure, 2-web structure, 21-web unit, 22-web main bar, 23-web auxiliary bar, 24-lock bar, 3-lower chord structure, 4-chord connection assembly, 41-first spring reel, 42-first flexible cable, 43-web connection hole, 44-latch, 5-web connection assembly, 51-web connection unit, 52-connection fastener, 53-second spring reel, 54-second flexible cable, 55-upper chord connection hole, 6-face frame, 61-transverse horizontal chord, 62-longitudinal horizontal chord, 7-lower web connection assembly, 71-lock bar jack, 72-lower chord connection, 8-upper auxiliary bar connection.
Detailed Description
In order to facilitate an understanding of the invention, the invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the expandable unit type double-layer net shell structure of the invention consists of an upper chord structure 1, a web member structure 2 and a lower chord structure 3, wherein the web member structure 2 is detachably connected between the upper chord structure 1 and the lower chord structure 3. As shown in fig. 2 and 3, the upper chord structure 1 is formed by connecting a plurality of face frames 6 through chord member connecting assemblies 4, and the face frames 6 of the upper chord structure 1 can be stacked and attached to enable the upper chord structure 1 to be contracted to be shown in fig. 2 or unfolded to be an arc face frame structure shown in fig. 3; as shown in fig. 7 and 8, the lower chord structure 3 is also formed by connecting a plurality of face frames 6 through chord member connecting assemblies 4, and the face frames 6 of the lower chord structure 3 can be stacked and abutted to enable the lower chord structure 3 to be contracted to be shown in fig. 7, and can also be unfolded to be in an arc face frame structure shown in fig. 8. In order to meet the standard design and installation requirements, the face frames 6 of the upper chord structure 1 are arranged one row more than the lower chord structure 3 during installation, so that the face frames 6 positioned in the middle of the lower chord structure 3 are unfolded when the lower chord structure 3 is contracted as shown in fig. 7. As shown in fig. 4 to 6, the web member structure 2 is formed by connecting a plurality of web member units 21 through the web member connecting assembly 5, the web member units 21 constituting the web member structure 2 can be folded to enable the whole web member structure 2 to be stacked and contracted as shown in fig. 4, and the web member units 21 can be unfolded to enable the web member structure 2 to be unfolded to be in an arc-shaped net structure as shown in fig. 5 and 6.
The face frames 6 forming the upper chord structure 1 and the lower chord structure 3 are rectangular face frames formed by longitudinal horizontal chords 62 and transverse horizontal chords 61, a plurality of rectangular face frames are connected into a row, adjacent rectangular face frames on the same row share the longitudinal horizontal chords 62, and a plurality of rows of face frames 6 are connected to form a folding shape; as shown in fig. 9 to 11, the chord member connecting assembly 4 for connecting the face frames 6 in the upper chord structure 1 and the lower chord structure 3 is shown, two horizontal chords 61 of two adjacent face frames 6 are movably connected on the chord member connecting assembly 4 through a rotating shaft structure, the face frames 6 are driven to axially rotate around the chord member connecting assembly 4 through rotation of the horizontal chords 61 connected on the chord member connecting assembly 4, so that folding or unfolding of the upper chord structure 1 or the lower chord structure 3 is achieved, the longitudinal horizontal chords 62 of two adjacent rectangular face frames in the same row are fixed on the chord member connecting assembly 4, and the longitudinal horizontal chords 62 and the horizontal chords 61 connected on the same chord member connecting assembly 4 are mutually perpendicular on the same water surface. In order to ensure that the upper chord structure 1 or the lower chord structure 3 is an arc-shaped panel after being unfolded, the rotation angle between the two horizontal chords 61 on the chord member connecting component 4 can be adjusted between 60 degrees and 300 degrees, and as shown in fig. 2, 7, 9 and 10, the rotation directions of the two horizontal chords 61 on the adjacent chord member connecting component 4 are opposite.
In addition, in order to ensure that the upper chord structure 1 or the lower chord structure 3 cannot scatter in the transportation process after being folded and folded, first flexible cables 42 are further arranged on the upper chord structure 1 and the lower chord structure 3, as shown in fig. 2 and 7, the first flexible cables 42 are connected to the chord connecting assemblies 4, two first spring reels 41 are arranged on each chord connecting assembly 4, one telescopic first flexible cable 42 is connected to each first spring reel 41, the wire outgoing directions of the two first spring reels 41 are opposite, and one first flexible cable 42 connects the two chord connecting assemblies 4. When the upper chord structure 1 or the lower chord structure 3 is folded and folded, the first flexible cable 42 is contracted by the first spring reel 41 connected thereto, and when the upper chord structure 1 or the lower chord structure 3 is unfolded, the first flexible cable 42 is released by the first spring reel 41 connected thereto. The first flexible cable 42 can also be used for guiding the unfolding of the upper chord structure 1 or the lower chord structure 3, so that the stability of the upper chord structure 1 or the lower chord structure 3 after being unfolded is ensured.
As shown in fig. 12, the web member unit 21 forming the web member structure 2 is a rectangular pyramid frame structure formed by movably connecting four web member main rods 22 and four web member auxiliary rods 23, the lower ends of the four web member main rods 22 on the same web member unit 21 are movably connected to the lower web member connecting assembly 7, the four web member auxiliary rods 23 on the same web member unit 21 are movably connected to the web member connecting assembly 5 and the upper auxiliary member connecting member 8, and the upper auxiliary member connecting member 8 is a semicircular structure; and the upper ends of the web boom 22 of the adjacent web units 21 are movably connected to the web connecting assembly 5, as shown in fig. 13, which illustrates the unfolded state of the web units 21.
As shown in fig. 14, the web member connection assembly 5 is composed of four web member connection units 51, as shown in fig. 15, the main body structure of each web member connection unit 51 is a quarter cylindrical structure, the four web member connection units 51 are spliced to form the web member connection assembly 5 with the main body structure being a cylindrical structure, two side surfaces of each web member connection unit 51 are respectively provided with a connection fastener 52, and adjacent web member connection units 51 are spliced through the connection fasteners 52. As shown in fig. 15 and 16, the web main lever 22 is movably connected to the lower end of the web connecting unit 51 and rotatable in the vertical direction, and the web auxiliary lever 23 is movably connected to the upper end of the web connecting unit 51 and rotatable in the vertical direction, and the web unit 21 is folded or unfolded by rotation of the web main lever 22 and the web auxiliary lever 23.
Similarly, in order to ensure that the web member structure 2 will not scatter during transportation after being folded, a second flexible cable 54 is provided on the web member structure 2, as shown in fig. 12, 16 and 17, two second spring reels 53 are provided on each web member connection unit 51, the second spring reels 53 are connected with the second flexible cable 54, and the web member connection assemblies 5 on the upper ends of the adjacent web member main rods 22 are connected by the second flexible cable 54. The second flexible cord 54 is contracted by the second spring reel 53 connected thereto when the web member unit 21 is contracted, and the second flexible cord 54 is released by the second spring reel 53 connected thereto when the web member unit 21 is expanded.
As shown in fig. 18, which illustrates the lower web member connecting assembly 7, the lower ends of the four web member main rods 22 on the same web member unit 21 are movably connected to the lower web member connecting assembly 7, in order to ensure structural stability of the web member structure 2 after being unfolded, that is, in order to ensure stability of the web member unit 21 after being unfolded, as shown in fig. 12, 13 and 19, a locking rod 24 is further provided on the web member unit 21, the upper end of the locking rod 24 is connected to the lower end of the upper auxiliary member connecting assembly 8, the length of the locking rod 24 is equal to the thickness of the double-layer web shell structure, when the web member unit 21 is folded, the lower end of the locking rod 24 is suspended in the web member unit 21, and when the web member unit 21 is unfolded, the lower end of the locking rod 24 is inserted into a locking rod insertion hole 71 provided at the upper end of the lower web member connecting assembly 7.
The detachable connection between the upper chord structure 1, the web member structure 2 and the lower chord structure 3 is likewise achieved by means of the chord connection assembly 4, the web member connection assembly 5 and the lower web member connection assembly 7 described above. As shown in fig. 10 and 11, a latch 44 is arranged at the lower end of the chord member connection assembly 4, as shown in fig. 14 and 15, a quarter round hole on the web member connection unit 51 forms an upper chord connection hole 55 at the upper end of the web member connection assembly 5, the latch 44 is matched with the upper chord connection hole 55, and when the upper chord structure 1 is connected with the web member structure 2, the latch 44 at the lower end of each chord member connection assembly 4 is inserted into the upper chord connection hole 55 at the upper end of the corresponding web member connection assembly 5, so that the detachable connection of the upper chord structure 1 and the web member structure 2 is realized; in addition, the bolt 44 can be used for fixing two horizontal chords 61 movably connected to the chord connecting assembly 4, and the bolt 44 is connected with the chord connecting assembly 4 in a threaded manner, so that the locking force applied to the rotating shaft structure by rotating the bolt 44 is used for preventing the horizontal chords 61 from moving. As shown in fig. 9 to 11, a web member connection hole 43 is further formed at the upper end of the chord member connection assembly 4, as shown in fig. 18, a lower chord connection member 72 is formed at the lower end of the lower web member connection assembly 7, the lower chord connection member 72 is matched with the web member connection hole 43, and when the web member structure 2 is connected with the lower chord structure 3, the lower chord connection member 72 at the lower end of the lower web member connection assembly 7 is inserted into the web member connection hole 43 corresponding to the upper end of the chord member connection assembly 4, so that the detachable connection of the web member structure 2 and the lower chord structure 3 is realized.
In the process of installing the expandable unit type double-layer latticed shell structure, the installation steps are as follows:
step one: erecting an auxiliary installation sliding rail;
step two: expanding the lower chord structure in the stacked and folded state;
step three: mounting the unfolded lower chord structure on an auxiliary mounting sliding rail;
step four: expanding the web member structure in the folded state;
step five: connecting the lower web member connecting component of the web member structure with the chord member connecting component corresponding to the lower chord structure;
step six: expanding the upper chord structure in the stacked and folded state;
step seven: connecting a chord member connecting assembly of the upper chord structure with a web member connecting assembly corresponding to the web member structure;
step eight: and installing reticulated shell supports at two ends of the assembled double-layer reticulated shell structure, and finally hoisting integrally.
The installation of the expandable unit type double-layer reticulated shell structure adopts a rapid installation mode of modularized expansion, integral lifting and mechanized assembly, so that the installation and construction efficiency can be effectively improved, the error rate in the installation process is low, and the installation quality can be effectively improved.
Claims (6)
1. Can expand double-deck reticulated shell structure of unit formula, its characterized in that: the novel bridge comprises an upper chord structure (1), a web member structure (2) and a lower chord structure (3), wherein the web member structure (2) is detachably connected between the upper chord structure (1) and the lower chord structure (3); the upper chord structure (1) and the lower chord structure (3) are arc-shaped face frame structures formed by movably connecting a plurality of face frames (6) through chord member connecting components (4) and can be folded and stacked; the web member structure (2) is an arc-shaped net structure formed by connecting a plurality of web member units (21) through web member connecting assemblies (5) and can be folded and stacked;
the web member unit (21) is a rectangular pyramid frame structure formed by movably connecting four web member main rods (22) and four web member auxiliary rods (23); the lower ends of four web member main rods (22) on the same web member unit (21) are movably connected to the lower web member connecting assembly (7), four web member auxiliary rods (23) on the same web member unit (21) are movably connected to the upper auxiliary member connecting member (8), and the upper ends of web member main rods (22) of adjacent web member units (21) are movably connected to the web member connecting assembly (5);
the web member connecting assembly (5) is formed by splicing four web member connecting units (51) through connecting fasteners (52), a web member main rod (22) is movably connected to the lower end of the web member connecting unit (51) and can rotate in the vertical direction, and a web member auxiliary rod (23) is movably connected to the upper end of the web member connecting unit (51) and can rotate in the vertical direction;
the web member unit (21) further comprises a locking rod (24), the locking rod (24) is vertically arranged, the upper end of the locking rod is connected with the upper auxiliary rod connecting piece (8), the upper end of the lower web member connecting assembly (7) is provided with a locking rod inserting hole (71), and when the web member unit (21) is unfolded, the lower end of the locking rod (24) is inserted into the locking rod inserting hole (71);
the lower part web member coupling assembling (7) lower extreme is equipped with lower chord connecting piece (72), chord member coupling assembling (4) upper end be equipped with lower chord connecting piece (72) assorted web member connecting hole (43), when web member structure (2) and with lower chord structure (3) are connected, lower chord connecting piece (72) inserts in web member connecting hole (43).
2. The deployable cell type double-layer reticulated shell structure of claim 1, wherein: the face frame (6) is a rectangular face frame consisting of a longitudinal horizontal chord member (62) and a transverse horizontal chord member (61); the longitudinal horizontal chords (62) of the adjacent face frames (6) are fixedly connected to the corresponding chord connecting assemblies (4), the transverse horizontal chords (61) of the adjacent face frames (6) are movably connected to the corresponding chord connecting assemblies (4) and can rotate in the vertical direction, and the longitudinal horizontal chords (62) and the transverse horizontal chords (61) are perpendicular to each other on the same water surface.
3. The expandable unitary double-layer reticulated shell structure of claim 2, wherein: the rotation angle between two horizontal chords (61) on the chord member connecting component (4) is 60-300 degrees.
4. The expandable unitary double-layer reticulated shell structure of claim 2, wherein: two first spring reels (41) are arranged on the chord member connecting assembly (4), the first spring reels (41) are connected with telescopic first flexible ropes (42), the outgoing line directions of the two first spring reels (41) are opposite, and the chord member connecting assemblies (4) at intervals are connected through the first flexible ropes (42).
5. The deployable cell type double-layer reticulated shell structure of claim 1, wherein: the web member connecting unit (51) is provided with a second spring reel (53), and the second spring reel (53) is connected with a telescopic second flexible cable (54).
6. The deployable cell type double-layer reticulated shell structure of claim 1, wherein: the web member connecting unit (51) is further provided with an upper chord connecting hole (55), the lower end of the chord member connecting assembly (4) is provided with a bolt (44) matched with the upper chord connecting hole (55), and when the web member structure (2) is connected with the upper chord structure (1), the bolt (44) is inserted into the upper chord connecting hole (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454456.XA CN109469205B (en) | 2018-11-30 | 2018-11-30 | Expandable unit type double-layer reticulated shell structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811454456.XA CN109469205B (en) | 2018-11-30 | 2018-11-30 | Expandable unit type double-layer reticulated shell structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109469205A CN109469205A (en) | 2019-03-15 |
| CN109469205B true CN109469205B (en) | 2024-01-30 |
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| CN201811454456.XA Active CN109469205B (en) | 2018-11-30 | 2018-11-30 | Expandable unit type double-layer reticulated shell structure |
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| CN111945886B (en) * | 2020-08-12 | 2021-06-11 | 长沙理工大学 | Foldable cylindrical square cabin |
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