CN86100450A - Ordinary bolt jointed net-point truss - Google Patents
Ordinary bolt jointed net-point truss Download PDFInfo
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- CN86100450A CN86100450A CN 86100450 CN86100450A CN86100450A CN 86100450 A CN86100450 A CN 86100450A CN 86100450 CN86100450 CN 86100450 CN 86100450 A CN86100450 A CN 86100450A CN 86100450 A CN86100450 A CN 86100450A
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- box body
- connector box
- bolt
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- Joining Of Building Structures In Genera (AREA)
Abstract
The invention belongs to realm of space truss of open web construction.Use structural metallic materials to implement the present invention and only need common punching press, cutting and pore-forming equipment.As use plastics and other similar structures materials, then need possess corresponding manufacturing process.Feature of the present invention is to be combined into a space-load entity with bolt and semi-convex cylindrical keys with part such as connector box body, connection connecting plate and cover plate are fastening.The fastening effect of central balancing bolt makes whole node have the eccentricity self-balancing ability.The present invention makes the fabrication and installation complete exemption welding of rack, is a kind of joint system that is applicable to multiple rack and other space bar structures.
Description
Ordinary bolt jointed net-point truss belongs to the space truss structure technical field in the construction work.
To be the initial stage in the sixties progressively obtain the new technology popularized in China for rack, latticed shell structure, and the history of decades has been arranged abroad, uses rather extensive.The joint structure pattern is one of guardian technique problem of space truss structure, is the problem that various countries endeavour to study all the time.In recent years, all kinds of racks, its node pattern of latticed shell structure of building up of China adopts connecting modes such as welding hollowing ball, bolt sphere and welding steel node more.The rack that uses these nodes to build must be selected the node corresponding pattern for use for specific grid configuration and bar cross section shape, generally can not be general mutually.The system of this single correspondence is given actual engineering, and particularly the material replacement brings inconvenience.In fact can only be little for single material and section configuration, cause waste with big generation.Be certain one component material (as steel pipe) waste in short supply on the one hand; And having a large amount of shaped steel, aluminium, plastics etc. to fail to be used for fully spatial mesh structure so far on the other hand, one of its reason is exactly the domestic multifunctional general joint system that can Gong select for use of not having so far.Purpose of the present invention is exactly to set up a kind of like this assembling type node that is suitable for multiple material and multiple cross sectional shape rod member with the bolt combination, and it is flexible to form a kind of use, makes simply universal grid node system easy for installation.
The present invention is to be primary raw material with steel, aluminium or plastics pressed sheet, is processed into through cutting, punching press, boring to be suitable for stressed universal grid node.Fig. 1 represents a kind of two general bolt jointed net-point truss to network that are used for, and waits other to form by part by cover plate (1), connector box body (2), gusset piece (3) and central balancing bolt (4), packing ring (5) and nut (6).Have the semi-convex key of garden cylindricality (7) between box body and cover plate, this key is to be attached to the Cylinder that is half convex on the cover plate through punching press, can match with the hole, garden (8) on the box body base plate, by the fastening effect Transfer of Shear of central balancing bolt.Node for certain specification, be suitable for two two types connector box bodies simultaneously as long as cover plate and connector made to (Fig. 2) and three-dimensional (Fig. 3) network, ((1) among Fig. 3 and (2)) cooperate other parts in addition, and promptly available bolt is combined into the universal node that is applicable to domestic existing multiple space truss structure.The wall thickness of suitably adjusting the box body forms the inclination angle, also can be advantageously used in surface net shell.(5) among Fig. 3 are the compound lever gusset piece, can make backing plate ((4) among Fig. 3) for the gusset piece that no rod member connects, and (3) among Fig. 3 are for being applicable to the cover plate of three-way grid.
The present invention can be divided into simple type, standard type and reinforced three kinds.Can only use connector box sports association fishplate bar ((2) among Fig. 1 and (3)) or ((1) (2) (4) among Fig. 3 and (5) etc. are combined into the simple type node for lightweight structures, in the ordinary course of things, the simple type node is added central balancing bolt, promptly constitute the standard type node, where necessary as using cover plate then the standard type node can be become reinforced node ((3) among Fig. 2) by (2) (3) (4) (5) among Fig. 1 and (6).Compound lever ((1) among Fig. 2) and chord member ((2) among Fig. 2) connect (Fig. 2) by gusset piece and connector box body and function bolt respectively with node.
Ordinary bolt jointed net-point truss is the space-load state, and adjacent rod member power transmission is convenient, and is to act on node in the mode of making a concerted effort, thereby makes node be in fairly simple, clear and definite stress.Use the present invention can make the fabrication and installation of grid node and rod member remove welding operation from.Except that the special processing technology of the part of plastics, the processing of the metal of total is just cutting only, punching press and pore-forming, and these operations all can be by mould, so can guarantee the quality of product.The present invention can be used to the multi-level multi-faceted connection of space bar, is applicable to the rod member section configuration of various section bars such as steel, aluminium, plastics or tubing.The effect of central balancing bolt is that fastening node forms integral body and applies and gives stress to eliminate each rod member and node because of bolt combines the influence of the eccentricity that is produced, and increases the integral rigidity of node, guarantees that node is in good stress.
Each other processing of part should adopt mould to carry out among the present invention.Single connector box body is asymmetric part in addition, and its forming technology should adopt two or many to make in groups, should use symmetrical mold, become many with a sheet-metal press working, and then monomer is resolved in cutting.
The present invention is applicable to domestic existing multiple rack type and the different materials and section bar, the tubing rod member of multiple cross sectional shape.For various industry and civilian construction, particularly build buildings such as interim pin hand, pylon, grandstand, wind and rain canopy and more show its advantage.Use the present invention can build a series of derivation spatial mesh structure such as net shell, top, spherical garden etc.
Claims (8)
1, the feature of ordinary bolt jointed net-point truss is node itself to be with the stressed entity of interblock space of part be combined in addition such as connector box body, gusset piece, cover plate with bolt and semi-convex garden cylindricality key.Connector box body of the present invention is through the stamping forming space structures of mould by sheet material.Part and cover plate are tightened to one in addition with connector box body, gusset piece etc. for central balancing bolt.Rod member is by gusset piece and node Bolt Connection.
2, according to claim 1, feature of the present invention is: node entity or by the rod member that they connected is to make with steel, aluminum or aluminum alloy, plastics and other similar engineering materials.
3, according to claim 1 and 2, the node of the present invention preparation method of part in addition is stamping forming with mould.
4, according to claim 1,2 and 3 described, permanent or provisional rack, net shell or other space bar structures of being characterized as of the present invention adopts joint structure pattern of the present invention to connect and forms.
5, according to claim 1,2 and 3, feature of the present invention is that joint structure is simple type, standard type, reinforced or other any partly or entirely derived node tectonic types of being made up of the part in addition among the present invention of parts in addition.
6, according to claim 1,2 and 3 described, feature of the present invention is that the moulding of connector box body is to adopt the symmetrical mold punching press, and then resolves into single-piece.
7,, has semi-convex garden cylindricality key structure between its connector box body of a kind of node and the cover plate according to claim 1,2 and 3 described.
8, according to claim 1,2 and 3 described, a kind of node of surface net shell is that the method that adopts the wall thickness of adjusting connector box body to form the inclination angle realizes what the curved surface space bar connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86100450 CN86100450A (en) | 1986-01-20 | 1986-01-20 | Ordinary bolt jointed net-point truss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86100450 CN86100450A (en) | 1986-01-20 | 1986-01-20 | Ordinary bolt jointed net-point truss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86100450A true CN86100450A (en) | 1987-08-05 |
Family
ID=4801021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86100450 Pending CN86100450A (en) | 1986-01-20 | 1986-01-20 | Ordinary bolt jointed net-point truss |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86100450A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949170A (en) * | 2010-09-21 | 2011-01-19 | 林娟 | Member-insertion type aluminum-alloy truss structure with plate gussets |
| CN101974938A (en) * | 2010-10-11 | 2011-02-16 | 林娟 | Triangular and rectangular aluminum alloy space truss structure with rod implanted body nodes |
| CN104234207A (en) * | 2014-09-05 | 2014-12-24 | 天津大学 | Adjustable aluminum alloy space structure two-way plate rib node |
| CN113915220A (en) * | 2021-10-08 | 2022-01-11 | 张东 | High-strength bolt for steel net frame bolt ball joint |
-
1986
- 1986-01-20 CN CN 86100450 patent/CN86100450A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101949170A (en) * | 2010-09-21 | 2011-01-19 | 林娟 | Member-insertion type aluminum-alloy truss structure with plate gussets |
| CN101974938A (en) * | 2010-10-11 | 2011-02-16 | 林娟 | Triangular and rectangular aluminum alloy space truss structure with rod implanted body nodes |
| CN104234207A (en) * | 2014-09-05 | 2014-12-24 | 天津大学 | Adjustable aluminum alloy space structure two-way plate rib node |
| CN104234207B (en) * | 2014-09-05 | 2016-09-07 | 天津大学 | Adjustable aluminum alloy space structure two-way rib of slab node |
| CN113915220A (en) * | 2021-10-08 | 2022-01-11 | 张东 | High-strength bolt for steel net frame bolt ball joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |