CN212176058U - Steel pipe structure tree-shaped column branching node with bidirectional stiffening plate - Google Patents
Steel pipe structure tree-shaped column branching node with bidirectional stiffening plate Download PDFInfo
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- CN212176058U CN212176058U CN202020407455.6U CN202020407455U CN212176058U CN 212176058 U CN212176058 U CN 212176058U CN 202020407455 U CN202020407455 U CN 202020407455U CN 212176058 U CN212176058 U CN 212176058U
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- stiffening plate
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- rod
- vertical stiffening
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Abstract
The utility model belongs to the building engineering field specifically, relates to a take steel tubular structure tree column branching node of two-way stiffening plate, including steel tubular structure, node end plate and two-way stiffening plate, two-way stiffening plate include at the inside parallel arrangement's of mobile jib horizontal annular stiffening plate of polylith and perpendicular and extend the vertical stiffening plate of polylith that mobile jib and branch pipe wall intersect with it. The utility model discloses a two-way stiffening plate of welding in steel pipe structure tree-shaped post node has increased node rigidity effectively, has reduced the stress concentration and the member deformation that pass through the position mutually, has advantages such as simple structure, engineering cost are low, application scope is wide.
Description
Technical Field
The utility model belongs to the building engineering field specifically, relates to a steel pipe structure tree shape post branching node of two-way stiffening plate in area.
Background
The steel pipe structure tree-shaped column is a special-shaped vertical component in constructional engineering, the shape of the column is attractive, each column can support a roof structure with a large area, and the application of the column in some public buildings at home and abroad is increased continuously in recent years. The main and branch branching nodes of the prior steel tube structure tree-shaped column adopt cast steel nodes or large-scale welded hollow sphere nodes when the connection is particularly complicated, most projects adopt a mode of multi-tube direct intersecting welding, the phenomenon of stress concentration of intersecting parts of the main and branch is obvious and the intersecting parts are weak stress parts, so that the cross sections of all rod pieces are designed to be large and thick to ensure the reliability, and the economical efficiency and the aesthetic property are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a take steel pipe structure tree column branching node of two-way stiffening plate, can effectively reduce the stress concentration who runs through the position mutually, and simple structure, simple to operate does not influence the building pleasing to the eye simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the steel pipe structure tree-shaped column branching node with the bidirectional stiffening plate comprises a main rod, a common supporting rod, a main stress supporting rod, a main rod end sealing plate, a supporting rod node end plate and the bidirectional stiffening plate; wherein: the common supporting rods are arranged in a plurality of numbers, and the common supporting rods and the main stress supporting rods are welded with the main rod in a penetrating way; the main rod end sealing plate is a round steel plate, and the main rod end sealing plate and the top end of the main rod are welded and sealed by a continuous welding line so as to isolate the inside and outside air; the node end plate of the strut is an annular steel plate, the node end plate of the strut is welded at the non-penetrating ends of the common strut and the main stressed strut, and the bidirectional stiffening plate is arranged in the main rod.
Preferably, the bidirectional stiffener comprises: the horizontal annular stiffening plates are arranged in parallel at intervals, the positions and the number of the horizontal annular stiffening plates are determined by a stress analysis result, and the horizontal annular stiffening plates are preferably arranged at the height of an intersecting line at the upper parts of the main support rod and the support rod, at the height of an intersecting line at the lower parts of the main support rod and the support rod, at an intersecting line of two adjacent support rods or at a height of secondary intersection between the support rods; the middle vertical stiffening plate, the two side vertical stiffening plates and the connecting vertical stiffening plate are perpendicular to the transverse annular stiffening plate, the middle vertical stiffening plate is provided with one, the middle surface of the middle vertical stiffening plate is superposed with the central axis of the main stressed supporting rod, two sides of the middle vertical stiffening plate are respectively provided with one vertical stiffening plate parallel to the middle vertical stiffening plate, and the distance is preferably one fourth of the pipe diameter of the main stressed supporting rod; the connecting vertical stiffening plate is arranged one way, is vertical to the middle vertical stiffening plate and is superposed with the diameter of the main rod.
Preferably, the main rod is provided with a main rod notch according to the positions of the middle vertical stiffening plate and the vertical stiffening plates at the two sides, and the main stressed strut is provided with a strut notch according to the positions of the vertical stiffening plates at the two sides; one side of the vertical stiffening plate penetrates through the notch of the main rod and the notch of the branch to extend to the lower pipe wall of the main stressed branch, and one side of the vertical stiffening plate penetrates through the notch of the main rod to extend to the upper pipe wall of the main stressed branch and does not extend into the branch.
Compared with the prior art, the beneficial effects of the utility model are as follows: the transverse annular stiffening plate with the bifurcate node of the steel pipe structure tree-shaped column of the bidirectional stiffening plate can increase the rigidity of the main rod in the cross section direction, reduce the extrusion deformation of the main rod caused by the support rods and diffuse the axial force transmitted by each support rod; the vertical stiffening plate can increase the bending rigidity of the connecting strut and the main rod, and reduce the tensile and compressive stress caused by the bending moment at the tail end of the strut on the upper pipe wall and the lower pipe wall of the main strut and the strut; the bidirectional stiffening plate system effectively increases the overall rigidity of the bifurcation node of the steel pipe structure tree-shaped column, and reduces stress concentration and member deformation of intersecting parts; the plurality of parallel vertical stiffening plates can strengthen a certain supporting rod with larger stress in a targeted manner, namely, the supporting rods of the tree-shaped column are allowed to have larger load difference, and the application range is wide; the node is simple in structure, strong in operability, low in cost and free of influence on building attractiveness.
Drawings
FIG. 1 is a schematic view of a steel pipe structure tree-shaped column bifurcation node structure with a bidirectional stiffening plate;
FIG. 2 is a schematic view of a portion of a bi-directional stiffener;
FIG. 3 is a schematic view of a part of a tree-shaped column main and support rod steel pipe;
in the figure: 11. a main rod; 12. a common strut; 13. a primary stressed strut; 14. a main rod notch; 15. a main stress strut notch; 21. a main rod head sealing plate; 22. a strut node end plate; 3. a bidirectional stiffening plate; 31. a transverse annular stiffening plate; 32. a middle vertical stiffening plate; 33. vertical stiffening plates on two sides; 34. and connecting the vertical stiffening plates.
Detailed Description
As shown in fig. 1, the steel pipe structure tree-shaped column bifurcation node with the bidirectional stiffening plate comprises a main rod 11, a common support rod 12, a main stressed support rod 13, a main rod head sealing plate 21, a support rod node end plate 22 and a bidirectional stiffening plate 3; wherein: the common supporting rods 12 are provided with a plurality of groups, and the common supporting rods 12 and the main stress supporting rods 13 are welded with the main rod 11 in a penetrating way; the main rod end sealing plate 21 is a round steel plate, and the main rod end sealing plate 21 and the top end of the main rod 11 are welded and sealed by a continuous welding line so as to isolate the inside and outside air; the strut node end plate 22 is an annular steel plate, and the strut node end plate 22 is welded at the non-penetrating ends of the common strut 12 and the main stress strut 13 so as to reduce stress concentration when the strut node end plate is welded with the parts except the nodes; the main rod 11 is internally provided with a bidirectional stiffening plate 3.
As shown in fig. 2, the bidirectional stiffener 3 includes: the transverse annular stiffening plates 31, the middle vertical stiffening plate 32, the two side vertical stiffening plates 33 and the connecting vertical stiffening plates 34 are arranged in parallel at intervals, the positions and the number of the transverse annular stiffening plates 31 are determined by a stress analysis result, and the transverse annular stiffening plates are respectively arranged at the intersecting line height of the upper parts of the main support and the support rod, the intersecting line height of the lower parts of the main support and the support rod, and the intersecting height of two adjacent support rods or the height of secondary intersection between the support rods; the middle vertical stiffening plate 32, the two side vertical stiffening plates 33 and the connecting vertical stiffening plate 34 are perpendicular to the transverse annular stiffening plate 31, the middle vertical stiffening plate 32 is provided with one, the middle surface of the middle vertical stiffening plate coincides with the central axis of the main stressed strut 13, the two sides of the middle vertical stiffening plate 32 are respectively provided with one vertical stiffening plate 33 which is parallel to the middle vertical stiffening plate, and the distance is preferably one fourth of the pipe diameter of the main stressed strut 13; the connecting vertical stiffening plates 34 are arranged one way, are perpendicular to the middle vertical stiffening plate 32 and are overlapped with the diameter of the main rod 11, so that the overall rigidity of the stiffening plate system is enhanced, and the stress transfer is more uniform.
As shown in fig. 3, the main rod 11 is provided with a main rod notch 14 according to the positions of the middle vertical stiffening plate 32 and the two side vertical stiffening plates 33, and the main stressed strut 13 is provided with a strut notch 15 according to the positions of the two side vertical stiffening plates 33; one side of the vertical stiffening plate 33 passes through the main rod notch 14 and the branch notch 15 and extends to the lower pipe wall of the main stressed branch 13 so as to enhance the connection strength of the main and branch rods; one side of the vertical stiffening plate 32 passes through the main rod notch 14 and extends to the upper pipe wall of the main stressed strut 13, and does not extend into the strut so as to ensure the welding operation space in the pipe.
Claims (3)
1. A steel pipe structure tree-shaped column branching node with a bidirectional stiffening plate comprises a main rod, a common supporting rod, a main stress supporting rod, a main rod head sealing plate, a supporting rod node end plate and a bidirectional stiffening plate; the method is characterized in that: the common supporting rods are arranged in a plurality of numbers, and the common supporting rods and the main stress supporting rods are welded with the main rod in a penetrating way; the main rod end sealing plate is a round steel plate, and the main rod end sealing plate and the top end of the main rod are welded and sealed by a continuous welding line so as to isolate the inside and outside air; the node end plate of the strut is an annular steel plate, the node end plate of the strut is welded at the non-penetrating ends of the common strut and the main stressed strut, and the bidirectional stiffening plate is arranged in the main rod.
2. The steel pipe structure tree column split node with bidirectional stiffener of claim 1, wherein the bidirectional stiffener comprises: the horizontal annular stiffening plates are arranged in parallel at intervals, the positions and the number of the horizontal annular stiffening plates are determined by a stress analysis result, and the horizontal annular stiffening plates are respectively arranged at the height of an intersecting line at the upper parts of the main support rod and the support rod, at the height of an intersecting line at the lower parts of the main support rod and the support rod, at the height of a secondary intersecting line between two adjacent support rods or between the support rods; the middle vertical stiffening plate, the two side vertical stiffening plates and the connecting vertical stiffening plate are perpendicular to the transverse annular stiffening plate, the middle vertical stiffening plate is provided with one, the central line of the middle vertical stiffening plate is superposed with the central axis of the main stressed strut, and two vertical stiffening plates parallel to the middle vertical stiffening plate are respectively arranged on two sides of the middle vertical stiffening plate; the connecting vertical stiffening plate is arranged one way, is vertical to the middle vertical stiffening plate and is superposed with the diameter of the main rod.
3. The steel pipe structure tree-shaped column split node with the bidirectional stiffening plates as recited in claim 1, wherein the main rod is provided with a main rod notch according to the positions of the middle vertical stiffening plate and the vertical stiffening plates at the two sides, and the main stressed strut is provided with a strut notch according to the positions of the vertical stiffening plates at the two sides; one side of the vertical stiffening plate penetrates through the notch of the main rod and the notch of the branch to extend to the lower pipe wall of the main stressed branch, and one side of the vertical stiffening plate penetrates through the notch of the main rod to extend to the upper pipe wall of the main stressed branch and does not extend into the branch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020407455.6U CN212176058U (en) | 2020-03-26 | 2020-03-26 | Steel pipe structure tree-shaped column branching node with bidirectional stiffening plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020407455.6U CN212176058U (en) | 2020-03-26 | 2020-03-26 | Steel pipe structure tree-shaped column branching node with bidirectional stiffening plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212176058U true CN212176058U (en) | 2020-12-18 |
Family
ID=73770949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020407455.6U Expired - Fee Related CN212176058U (en) | 2020-03-26 | 2020-03-26 | Steel pipe structure tree-shaped column branching node with bidirectional stiffening plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212176058U (en) |
-
2020
- 2020-03-26 CN CN202020407455.6U patent/CN212176058U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201218 |