CN111980167A - Space structure node based on regular tetrahedron - Google Patents
Space structure node based on regular tetrahedron Download PDFInfo
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- CN111980167A CN111980167A CN202010642775.4A CN202010642775A CN111980167A CN 111980167 A CN111980167 A CN 111980167A CN 202010642775 A CN202010642775 A CN 202010642775A CN 111980167 A CN111980167 A CN 111980167A
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- regular tetrahedron
- space structure
- structure node
- regular
- tetrahedron
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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
- E04B1/38—Connections for building structures in general
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a regular tetrahedron-based space structure node, wherein at least two connecting surfaces are provided with connecting holes connected with an assembled space structure unit based on a regular tetrahedron, and the regular tetrahedron-based space structure node is characterized in that: the geometric center of the connecting hole is superposed with the geometric center of the connecting surface, and after the regular tetrahedron-based space structure node is connected with the regular tetrahedron-based assembled space structure unit, the connecting surface of the regular tetrahedron-based space structure node is matched with the assembling surface of the regular tetrahedron-based assembled space structure unit.
Description
Technical Field
The invention relates to a spatial structure node, in particular to a regular tetrahedron-based spatial structure node.
Background
The space structure of the existing industrial and civil building usually adopts a net rack and a truss, the temporary facility usually adopts the form of a scaffold and the like, the net rack and the truss usually need to be subjected to very professional engineering design, the basic units are nodes and rods, the repetition rate is low, the number of components is large, the sizes, the lengths and other geometric dimensions of the components are various, the specifications of the nodes are also various, and the installation needs to be finished by professional workers under the guidance of professional techniques. Temporary stage, stand, ice and snow motion competition platform etc. facility adopt the scaffold frame to build in a large number and form, and its bearing capacity is low, poor stability, and installation time is longer, needs further improvement, consequently urgently needs an assembled spatial structure unit that bearing capacity is high, stability is strong and the installation effectiveness is high to need a spatial structure node to connect it.
Disclosure of Invention
In order to provide an assembly type space structure with high bearing capacity, strong stability, high installation efficiency and flexible and changeable arrangement, the invention designs a regular tetrahedron-based space structure node with single specification and reasonable stress.
The invention provides a regular tetrahedron-based spatial structure node, wherein at least two connecting surfaces are provided with connecting holes connected with an assembled spatial structure unit based on a regular tetrahedron, and the regular tetrahedron-based spatial structure node is characterized in that: the geometric center of the connecting hole is superposed with the geometric center of the connecting surface, and after the regular tetrahedron-based space structure node is connected with the regular tetrahedron-based assembled space structure unit, the connecting surface of the regular tetrahedron-based space structure node is matched with the assembling surface of the regular tetrahedron-based assembled space structure unit.
Preferably, one connection hole is arranged in the geometric center of the connection surface on which it is arranged.
Preferably, the geometric centers of the plurality of connecting holes coincide with the geometric center of the connecting surface.
Preferably, a mounting hole connected with a regular tetrahedron-based spatial structure node or other nodes is arranged at the geometric center of the mounting surface.
Preferably, the connecting bolts are used for orderly connecting the assembly space structure units based on the regular tetrahedron through the assembly holes of the assembly space structure units based on the regular tetrahedron and the connecting holes of the space structure nodes based on the regular tetrahedron.
Preferably, the mounting surface and the connecting surface are equilateral triangles of equal size and coinciding with each other.
Preferably, the regular tetrahedron-based spatial structure nodes are made of metal materials.
Preferably, the regular tetrahedron-based space structure node is made of steel or aluminum alloy.
Preferably, the edges and the top points of the regular tetrahedron-based spatial structure node connection are subjected to cambered surface transition.
Preferably, the assembled space structure unit based on the regular tetrahedron is connected with the space structure node based on the regular tetrahedron by using a bolt as a connecting bolt.
Preferably, the assembled space structure unit based on the regular tetrahedron is connected with the space structure node based on the regular tetrahedron by adopting a welding connection mode.
The regular tetrahedron-based fabricated space structure unit has the following characteristics: the assembly line comprises six (groups of) linear rod pieces and four assembly surfaces, wherein an included angle between every two adjacent linear rod pieces is 60 degrees, and an included angle between every two opposite linear rod pieces is 90 degrees; any assembly surface is intersected with one end of three (groups) adjacent linear rod pieces and is parallel to the plane of the other three (groups) linear rod pieces, and each assembly surface can be matched with the connecting surface of the corresponding regular tetrahedron-based space structure node.
Description of the drawings: for example, 5B, 5C, 5E, 5F are adjacent linear rods of 5A, and 5A and 5D are opposite linear rods (see fig. 2), and in fact, each linear rod line has four adjacent linear rods and one opposite linear rod (see fig. 2). Since the dihedral angle of two adjacent faces of a regular tetrahedron is arccos (1/3), making an irregular angle with an included angle arccos (1/3) as a straight rod of the regular tetrahedron-based fabricated space structure unit can make the three angle outer limbs of each side of the regular tetrahedron-based fabricated space structure unit in the same plane (as in fig. 2). The meaning of the regular tetrahedron-based in the invention is as follows: the position relation of each side of the assembled space structure unit based on the regular tetrahedron is the same as the position relation of each side of the regular tetrahedron, the position relation of each linear rod piece is the same as the position relation of each edge of the regular tetrahedron, and the position relation of each side of the space structure node based on the regular tetrahedron is the same as the position relation of each side of the regular tetrahedron.
The coincidence of the geometric center of the connecting hole and the geometric center of the connecting surface comprises two conditions: 1. a connecting hole is arranged at the geometric center of the connecting surface where the connecting hole is arranged; the geometric centers of the plurality of connecting holes are coincided with the geometric center of the connecting surface. The at least two connection surfaces comprise two, three or four connection surfaces.
An assembled space structure unit based on regular tetrahedron has three sides of each surface forming an equilateral triangle in the aspect of plane stress, and has stronger stability than other space structures. In the aspect of space stress, the force transmission mode of the assembly type space structure unit based on the regular tetrahedron is single and reliable. Therefore, compared with other space structures, the assembled space structure unit based on the regular tetrahedron is more stable and reliable, and can rapidly disperse stress concentrated at the nodes.
By adopting the regular tetrahedron-based space structure node, all the regular tetrahedron-based assembled space structure units are easy to coincide, the connection accuracy between the regular tetrahedron-based assembled space structure units is greatly improved, and a definite force transmission path is ensured.
Drawings
FIG. 1 is a three-dimensional graph of space structure nodes based on regular tetrahedrons
FIG. 2 is a three-dimensional diagram of an assembled spatial structure unit based on regular tetrahedrons
FIG. 3 is a connection diagram of an assembled space structure unit and a space structure node based on regular tetrahedrons
FIG. 4 is a connection diagram of four regular tetrahedron-based fabricated space structure units and a space structure node
FIG. 5 is a schematic axial view of a regular tetrahedron-based spatial structure unit in working state
FIG. 6 is a front view of a regular tetrahedron-based spatial structure unit in a working state
The reference numbers are as follows: 1. a regular tetrahedron-based spatial structure node; 2. a connecting bolt; 3. connecting holes; 4. an assembled space structure unit based on a regular tetrahedron; 5. a linear bar member; 6. an assembly surface; 7. a stiffening plate; 8. a connecting surface; 9. and (7) assembling holes.
Detailed Description
The first embodiment is as follows:
the utility model provides a regular tetrahedron's spatial structure node 1 sets up the connecting hole 3 of being connected with assembled spatial structure unit 4 based on regular tetrahedron on at least two are connected face 8, its characterized in that: the geometric center of the connecting hole 3 coincides with the geometric center of the connecting surface 8, and after the regular tetrahedron-based space structure node 1 is connected with the regular tetrahedron-based assembled space structure unit 4, the connecting surface 8 of the regular tetrahedron-based space structure node 1 is matched with the assembling surface 6 of the regular tetrahedron-based assembled space structure unit 4 (as shown in fig. 1, 2 and 3).
One connecting hole 3 is arranged at the geometric center of the connecting surface 8 where the connecting hole is arranged, or the geometric centers of a plurality of connecting holes 3 are coincided with the geometric center of the connecting surface 8 where the connecting holes are arranged.
By adopting the regular tetrahedron-based space structure node 4, the assembled space structure units 4 based on the regular tetrahedron are connected in a specific direction, so that the reliability of connection between the units is greatly improved, and a reasonable force transmission mode is ensured. The regular tetrahedron-based fabricated space structure units 4 are orderly connected by the connecting bolts 2 through the assembly holes 9 of the regular tetrahedron-based fabricated space structure units 4 and the connecting holes 3 of the regular tetrahedron-based space structure nodes 1 (as shown in figures 1, 2 and 3).
The second embodiment is as follows:
the utility model provides a regular tetrahedron's spatial structure node 1 sets up the connecting hole 3 of being connected with assembled spatial structure unit 4 based on regular tetrahedron on at least two are connected face 8, its characterized in that: the geometric center of the connecting hole 3 coincides with the geometric center of the connecting surface 8, and after the regular tetrahedron-based space structure node 1 is connected with the regular tetrahedron-based assembled space structure unit 4, the connecting surface 8 of the regular tetrahedron-based space structure node 1 is matched with the assembling surface 6 of the regular tetrahedron-based assembled space structure unit 4 (as shown in fig. 1, 2 and 3).
The mounting surface 6 and the connecting surface 8 are equilateral triangles (see fig. 3) of equal size and coinciding with each other. A mounting hole 9 (shown in figure 2) connected with the regular tetrahedron-based spatial structure node 1 or other nodes is arranged at the geometric center of the mounting surface 6.
The third concrete implementation mode:
the utility model provides a regular tetrahedron's spatial structure node 1 sets up the connecting hole 3 of being connected with assembled spatial structure unit 4 based on regular tetrahedron on at least two are connected face 8, its characterized in that: the geometric center of the connecting hole 3 coincides with the geometric center of the connecting surface 8, and after the regular tetrahedron-based space structure node 1 is connected with the regular tetrahedron-based assembled space structure unit 4, the connecting surface 8 of the regular tetrahedron-based space structure node 1 is matched with the assembling surface 6 of the regular tetrahedron-based assembled space structure unit 4 (as shown in fig. 1, 2 and 3).
The regular tetrahedron-based space structure node 1 is made of metal materials, and further, the space structure node 1 is made of steel or aluminum alloy. And performing arc surface transition on the edges and the vertexes of the spatial structure nodes 1 based on the regular tetrahedron. And connecting the assembled space structure unit 4 based on the regular tetrahedron with the space structure node 1 based on the regular tetrahedron by adopting a bolt as a connecting bolt 2. Or, the regular tetrahedron-based fabricated space structure unit 4 is connected with the regular tetrahedron-based space structure node 1 by adopting a welding connection mode.
An example of connecting four regular tetrahedron-based fabricated space structure units 4 with one space structure node 1 (as shown in fig. 4) can be shown that the connection mode can be arbitrarily extended according to engineering requirements (as shown in fig. 5 and 6). In order to reduce the thickness of the mounting surface 6, stiffening plates 7 may be provided.
Claims (10)
1. The utility model provides a space structure node based on regular tetrahedron sets up the connecting hole of being connected with assembled space structure unit based on regular tetrahedron on two at least connection faces, its characterized in that: the geometric center of the connecting hole is superposed with the geometric center of the connecting surface, and after the regular tetrahedron-based space structure node is connected with the regular tetrahedron-based assembled space structure unit, the connecting surface of the regular tetrahedron-based space structure node is matched with the assembling surface of the regular tetrahedron-based assembled space structure unit.
2. A regular tetrahedron based space structure node according to claim 1, wherein: a connecting hole is arranged at the geometric center of the connecting surface where the connecting hole is arranged.
3. A regular tetrahedron based space structure node according to claim 1, wherein: the geometric centers of the connecting holes are coincident with the geometric center of the connecting surface.
4. A regular tetrahedron based space structure node according to claims 1-3, wherein: and arranging a mounting hole connected with a regular tetrahedron-based spatial structure node or other nodes at the geometric center of the mounting surface.
5. A regular tetrahedron based space structure node according to claim 1, wherein: the assembling surface and the connecting surface are equilateral triangles with equal size and matched with each other.
6. A regular tetrahedron based space structure node according to claim 1, wherein: the space structure node based on the regular tetrahedron adopts metal materials.
7. A regular tetrahedron based space structure node according to claim 6, wherein: the space structure node based on the regular tetrahedron adopts steel or aluminum alloy.
8. A regular tetrahedron based space structure node according to claim 1, wherein: and connecting the assembled space structure unit based on the regular tetrahedron and the space structure node based on the regular tetrahedron by using a bolt as a connecting bolt.
9. A regular tetrahedron based space structure node according to claim 1, wherein: and performing arc surface transition on edges and vertexes connected by the spatial structure nodes based on the regular tetrahedron.
10. A regular tetrahedron based space structure node according to claim 1, wherein: and connecting the assembly type space structure unit based on the regular tetrahedron and the space structure node based on the regular tetrahedron by adopting a welding connection mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010642775.4A CN111980167B (en) | 2020-07-06 | 2020-07-06 | Space structure node based on regular tetrahedron |
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| CN202010642775.4A CN111980167B (en) | 2020-07-06 | 2020-07-06 | Space structure node based on regular tetrahedron |
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| CN111980167A true CN111980167A (en) | 2020-11-24 |
| CN111980167B CN111980167B (en) | 2022-03-08 |
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| CN202010642775.4A Active CN111980167B (en) | 2020-07-06 | 2020-07-06 | Space structure node based on regular tetrahedron |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581398A (en) * | 2021-09-07 | 2021-11-02 | 哈尔滨工业大学（深圳） | But rapid Assembly's bull stick node |
| CN114960701A (en) * | 2022-06-24 | 2022-08-30 | 内蒙古和润环境工程有限公司 | Ecological single-layer plastic three-dimensional net slope protection structure suitable for vegetation restoration of high and steep side slope |
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| WO2004081308A1 (en) * | 2003-03-10 | 2004-09-23 | Yong Jae Lee | Connector for pipe structure |
| KR200424125Y1 (en) * | 2006-05-22 | 2006-08-16 | 서영석 | Connecting Unit for Truss-Structure |
| CN102392492A (en) * | 2011-09-28 | 2012-03-28 | 江苏科技大学 | Lattice steel structure node connecting device |
| CN204023772U (en) * | 2014-06-23 | 2014-12-17 | 李少华 | A kind of Split mounting type building |
| CN107386436A (en) * | 2017-06-14 | 2017-11-24 | 中国科学院宁波材料技术与工程研究所 | A kind of positive tetrahedron type rod-like structure |
| CN108374487A (en) * | 2018-04-26 | 2018-08-07 | 王晓军 | A kind of link block and assembled cage construction building of assembled architecture |
| CN208280301U (en) * | 2018-04-26 | 2018-12-25 | 王晓军 | Link block and its component, the assembled cage construction building of assembled architecture |
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2020
- 2020-07-06 CN CN202010642775.4A patent/CN111980167B/en active Active
Patent Citations (8)
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| CN2533180Y (en) * | 2002-02-01 | 2003-01-29 | 高世贤 | Connecting member of combined truss |
| WO2004081308A1 (en) * | 2003-03-10 | 2004-09-23 | Yong Jae Lee | Connector for pipe structure |
| KR200424125Y1 (en) * | 2006-05-22 | 2006-08-16 | 서영석 | Connecting Unit for Truss-Structure |
| CN102392492A (en) * | 2011-09-28 | 2012-03-28 | 江苏科技大学 | Lattice steel structure node connecting device |
| CN204023772U (en) * | 2014-06-23 | 2014-12-17 | 李少华 | A kind of Split mounting type building |
| CN107386436A (en) * | 2017-06-14 | 2017-11-24 | 中国科学院宁波材料技术与工程研究所 | A kind of positive tetrahedron type rod-like structure |
| CN108374487A (en) * | 2018-04-26 | 2018-08-07 | 王晓军 | A kind of link block and assembled cage construction building of assembled architecture |
| CN208280301U (en) * | 2018-04-26 | 2018-12-25 | 王晓军 | Link block and its component, the assembled cage construction building of assembled architecture |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113581398A (en) * | 2021-09-07 | 2021-11-02 | 哈尔滨工业大学（深圳） | But rapid Assembly's bull stick node |
| CN114960701A (en) * | 2022-06-24 | 2022-08-30 | 内蒙古和润环境工程有限公司 | Ecological single-layer plastic three-dimensional net slope protection structure suitable for vegetation restoration of high and steep side slope |
| CN114960701B (en) * | 2022-06-24 | 2023-10-31 | 内蒙古和润环境工程有限公司 | Ecological single-layer plastic three-dimensional net slope protection structure suitable for high-steep slope vegetation recovery |
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| Publication number | Publication date |
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| CN111980167B (en) | 2022-03-08 |
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