CN211898974U - Rigid joint of rectangular steel pipe single-layer latticed shell - Google Patents
Rigid joint of rectangular steel pipe single-layer latticed shell Download PDFInfo
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- CN211898974U CN211898974U CN201922156107.6U CN201922156107U CN211898974U CN 211898974 U CN211898974 U CN 211898974U CN 201922156107 U CN201922156107 U CN 201922156107U CN 211898974 U CN211898974 U CN 211898974U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 119
- 239000010959 steel Substances 0.000 title claims abstract description 119
- 239000002356 single layer Substances 0.000 title claims abstract description 20
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Abstract
The utility model relates to a rigid node of a rectangular steel pipe single-layer latticed shell, which comprises a node body and a plurality of rectangular steel pipe rod pieces connected to the node body; the node body comprises a round steel pipe at the center of the node, horizontal round stiffening plates at the upper part and the lower part of the round steel pipe and vertical stiffening plates uniformly distributed in the round steel pipe; the rectangular steel pipe is connected with the round steel pipe at the center of the node through welding; the round horizontal stiffening plate is arranged at the position, corresponding to the rectangular steel pipe flange, of the upper surface and the lower surface in the round steel pipe, and the round horizontal stiffening plate is connected with the round steel pipe in a welding mode; the vertical stiffening plates are uniformly arranged in the middle of the round steel tube and are connected with the round steel tube in a welding mode. The utility model provides a rectangle steel pipe latticed shell rigidity node, its simple structure and preparation are easy, and it is clear and definite to pass power, and the welding seam quality is controllable, and the cost is reasonable.
Description
Technical Field
The utility model belongs to building structure connecting piece technique, especially a rigidity node of rectangle steel pipe individual layer net shell.
Background
The single-layer latticed shell structure is a curved-surface-shaped latticed structure, has the advantages of reasonable stress, light dead weight, low manufacturing cost, rich and various shapes, large spanning capacity and the like compared with the traditional plane structure, and is widely applied to large-span space buildings. The single-layer latticed shell structure mainly comprises two parts, namely a rod piece and a node, wherein the node plays the roles of connecting and converging the rod piece and transferring load, and the node form, the strength and the rigidity of the node form have great influence on the whole structure. The node stiffness directly affects the overall stability, deformation and internal force distribution of the structure. The rod piece section of the single-layer reticulated shell structure usually adopts a round steel pipe, a rectangular steel pipe and H-shaped steel, and the rectangular steel pipe has better shearing resistance and torsion resistance, so that the sharp edges and corners of the rectangular steel pipe can embody good mechanical beauty, and the rod piece section is more and more applied to large-span space buildings.
Besides the conventional axial force bearing effect, the node of the rectangular steel pipe rod piece latticed shell also needs to consider the bending moment effect. At present, the most commonly used welded hollow ball nodes and bolt ball nodes in the reticulated shell structure mainly aim at round steel pipes, and the related research on the welded ball nodes matched with rectangular steel pipes is few, so that the applicability is poor. The spatial cast steel node has good stress performance and integrity, but is complex to manufacture, large in node number and various in style, long in processing period and high in manufacturing cost for a complex free-form surface single-layer reticulated shell. For the direct intersecting welding method, the rectangular steel pipe has directivity and shows the bending and twisting performance, the rectangular steel pipe bending and twisting component has high processing and manufacturing cost, high installation precision requirement and large welding workload, is generally suitable for modeling rules, and has great difficulty on the free-form surface reticulated shell. Therefore, it is necessary to research a rectangular steel pipe single-layer latticed shell joint which has simple structure, convenient construction, excellent stress performance and rigidity and can be suitable for a complex free-form surface.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rigidity node of rectangle steel pipe individual layer net shell, this node simple structure, it is direct clear and definite to pass power, and the welding seam quality is controllable, can effectively guarantee node rigidity and bearing capacity performance, satisfies individual layer net shell structural design requirement, effectively solves the connection problem of rectangle steel pipe member in the complicated curved surface net shell, is applicable to complicated individual layer free-form surface net shell structure.
The utility model provides a technical scheme of above-mentioned problem does: a rigid node of a rectangular steel pipe single-layer latticed shell comprises a node body and a plurality of rectangular steel pipe rod pieces connected to the node body;
the node body comprises a round steel pipe at the center of the node, round horizontal stiffening plates at the upper and lower parts of the round steel pipe and vertical stiffening plates uniformly distributed in the round steel pipe;
the rectangular steel pipe is connected with the round steel pipe at the center of the node through welding;
the round horizontal stiffening plate is arranged at the position, corresponding to the flange of the rectangular steel pipe, of the upper surface and the lower surface in the round steel pipe, and the thickness of the round horizontal stiffening plate is not less than that of the flange of the rod piece; the circular horizontal stiffening plate is connected with the round steel pipe in an equal strength mode through a welding seam;
the vertical stiffening plates are uniformly arranged in the middle of the round steel tube and are connected with the round steel tube in a welding mode.
According to the scheme, the rectangular steel pipe is connected with the round steel pipe at the center of the node through penetration welding.
According to the scheme, the thickness of the circular horizontal stiffening plate is not less than that of the member flange.
According to the scheme, the round horizontal stiffening plate and the round steel tube are connected with each other in an equal strength mode through the welding seam.
According to the scheme, the height and the thickness of the vertical stiffening plate are the same as those of the rectangular steel pipe rod piece web plate.
According to the scheme, the vertical stiffening plates are radially and uniformly arranged according to the center, the vertical stiffening plates are arranged corresponding to the rectangular steel pipes, and every two vertical stiffening plates are arranged corresponding to one rectangular steel pipe.
According to the scheme, the rectangular steel pipe rod pieces are positioned on the same curved surface; the axes of the rectangular steel pipe rod pieces are intersected in the round steel pipe; the angle range of the included angle between the normal of the section of the rectangular steel pipe rod piece and the axis of the round steel pipe is 0-30 degrees.
According to the scheme, the node body is connected with six rectangular steel pipe rod pieces.
According to the scheme, the round steel pipe is a finished pipe.
The utility model discloses the beneficial effect that the device brought is: the utility model provides a rectangle steel pipe latticed shell rigidity node, its simple structure and preparation are easy, and it is clear and definite to pass power, and the welding seam quality is controllable, and the cost is reasonable. The round steel pipe is connected with the rectangular steel pipe rod pieces in all directions, so that a node area is enlarged, the concentration of welding seams is avoided, and the problem of difficult multidirectional connection of rectangular steel pipe components is solved; meanwhile, horizontal and vertical stiffening plates are arranged at the adjacent positions corresponding to the upper flange and the lower flange of the rectangular steel pipe and the web plate, so that the rigidity and the bearing capacity of the node can be improved, the bending moment and the axial force borne by the rod piece can be effectively transmitted, and the safety and the reliability of the whole structure can be ensured.
Drawings
Fig. 1 is a top view of the rigid node of the single-layer latticed shell of the rectangular steel pipe of the present invention;
FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;
in the figure: 1-a rectangular steel pipe rod; 2-a circular steel tube in the center of the node; 3-six vertical stiffening plates; 4-round horizontal stiffening plate.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1 and 2, a rectangular steel pipe single-layer latticed shell rigid node comprises six rectangular steel pipe rod pieces 1, a round steel pipe 2 arranged at the center of the node, a finished pipe, six vertical stiffening plates 3 radially and uniformly arranged in the round steel pipe according to the center, and horizontal circular stiffening plates 4 arranged at the upper part and the lower part of the round steel pipe.
In this embodiment, the axis of the rectangular steel tube rod member 1 intersects with the circular steel tube 2, and the rectangular steel tube rod member 1 and the circular steel tube 2 are welded in a penetrating manner.
According to the radial vertical stiffening plate 3 that evenly arranges in the center in the circular steel tube 2, the quantity of vertical stiffening plate 3 corresponds the setting with the quantity of rectangle steel pipe member 1, and per two vertical stiffening plates 3 correspond a rectangle steel pipe member, and vertical stiffening plate 3's height, thickness are the same with rectangle steel pipe member web, and vertical stiffening plate 3 welds into a whole each other, and vertical stiffening plate 3 welded intersection line is the axis of circular steel tube, and vertical stiffening plate 3 welds with circular steel tube 2.
The upper portion and the lower portion of the round steel pipe 2 are provided with circular horizontal stiffening plates 4 corresponding to the flanges of the rectangular steel pipe rod piece 1, the thickness of each circular horizontal stiffening plate 4 is not smaller than that of the flange of the rectangular steel pipe rod piece 1, and the circular horizontal stiffening plates and the round steel pipe are connected through welding seams in an equal-strength mode.
The rectangular steel pipe rod pieces are positioned on the same curved surface; the axes of the rectangular steel pipe rod pieces are intersected in the round steel pipe; the angle range of the included angle between the normal of the section of the rectangular steel pipe rod piece and the axis of the round steel pipe is 0-30 degrees.
Claims (9)
1. A rigid node of a rectangular steel pipe single-layer latticed shell is characterized by comprising a node body and a plurality of rectangular steel pipe rod pieces connected to the node body;
the node body comprises a round steel pipe at the center of the node, round horizontal stiffening plates at the upper and lower parts of the round steel pipe and vertical stiffening plates uniformly distributed in the round steel pipe;
the rectangular steel pipe is connected with the round steel pipe at the center of the node through welding;
the round horizontal stiffening plate is arranged at the position, corresponding to the rectangular steel pipe flange, of the upper surface and the lower surface in the round steel pipe, and the round horizontal stiffening plate is connected with the round steel pipe in a welding mode;
the vertical stiffening plates are uniformly arranged in the middle of the round steel tube and are connected with the round steel tube in a welding mode.
2. The rigid node of the rectangular steel pipe single-layer latticed shell according to claim 1, wherein the rectangular steel pipe is connected with a round steel pipe at the center of the node through intersecting welding.
3. A rigid node of a single-layer reticulated shell of rectangular steel tubes according to claim 1, wherein the thickness of the circular horizontal stiffening plate is not less than the thickness of the member flanges.
4. The rigid joint of the rectangular steel pipe single-layer latticed shell according to claim 1, wherein the circular horizontal stiffening plates are equally strongly connected with the round steel pipes through welding seams.
5. The rigid node of the rectangular steel pipe single-layer latticed shell according to claim 1, wherein the height and thickness of the vertical stiffening plates are the same as those of the rectangular steel pipe rod piece web.
6. The rigid joint of the rectangular steel pipe single-layer latticed shell according to claim 1, wherein the vertical stiffening plates are uniformly arranged in a radial shape at the center, the vertical stiffening plates are arranged corresponding to the rectangular steel pipes, and every two vertical stiffening plates are arranged corresponding to one rectangular steel pipe.
7. The rigid node of the rectangular steel pipe single-layer latticed shell according to claim 1, wherein the rectangular steel pipe rod pieces are positioned on the same curved surface; the axes of the rectangular steel pipe rod pieces are intersected in the round steel pipe; the angle range of the included angle between the normal of the section of the rectangular steel pipe rod piece and the axis of the round steel pipe is 0-30 degrees.
8. The rigid node of the rectangular steel pipe single-layer latticed shell according to claim 1, wherein the node body is connected with six rectangular steel pipe rod pieces.
9. The rigid node of the rectangular steel pipe single-layer latticed shell according to claim 1, wherein the round steel pipe is a finished pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922156107.6U CN211898974U (en) | 2019-12-04 | 2019-12-04 | Rigid joint of rectangular steel pipe single-layer latticed shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922156107.6U CN211898974U (en) | 2019-12-04 | 2019-12-04 | Rigid joint of rectangular steel pipe single-layer latticed shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211898974U true CN211898974U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922156107.6U Expired - Fee Related CN211898974U (en) | 2019-12-04 | 2019-12-04 | Rigid joint of rectangular steel pipe single-layer latticed shell |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855996A (en) * | 2022-04-29 | 2022-08-05 | 南京长江都市建筑设计股份有限公司 | A kind of rigid connection node and its construction method |
| CN114961397A (en) * | 2022-05-21 | 2022-08-30 | 中国能源建设集团山西省电力勘测设计院有限公司 | Steel pipe tower plane TY type intersecting node construction method capable of improving ultimate bearing capacity |
-
2019
- 2019-12-04 CN CN201922156107.6U patent/CN211898974U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114855996A (en) * | 2022-04-29 | 2022-08-05 | 南京长江都市建筑设计股份有限公司 | A kind of rigid connection node and its construction method |
| CN114961397A (en) * | 2022-05-21 | 2022-08-30 | 中国能源建设集团山西省电力勘测设计院有限公司 | Steel pipe tower plane TY type intersecting node construction method capable of improving ultimate bearing capacity |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |