CN221030624U - Rectangular pipe and round pipe connection node - Google Patents
Rectangular pipe and round pipe connection node Download PDFInfo
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- CN221030624U CN221030624U CN202323020274.0U CN202323020274U CN221030624U CN 221030624 U CN221030624 U CN 221030624U CN 202323020274 U CN202323020274 U CN 202323020274U CN 221030624 U CN221030624 U CN 221030624U
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- 238000003466 welding Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001687 destabilization Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
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Abstract
The utility model discloses a rectangular pipe and round pipe connecting node, which comprises an inner stiffening round pipe, a rectangular pipe, an external upper round pipe, an external lower round pipe, an inner stiffening round pipe, an upper node plate and a lower node plate; the inner stiffening circular tube is arranged in one end of the rectangular tube, and the upper end and the lower end of the inner stiffening circular tube are respectively welded with the inner wall of the rectangular tube; the upper node plate is welded on the upper side of the end part of the rectangular pipe, the lower end of the external upper round pipe is connected with the top of the upper node plate, and the external upper round pipe is coaxial with the inner stiffening round pipe; the lower gusset plate is welded at the lower side of the end of the rectangular pipe, the upper end of the external lower circular pipe is connected with the bottom of the lower gusset plate, and the external lower circular pipe is coaxial with the inner stiffening circular pipe. The beneficial effects of the utility model are as follows: according to the utility model, the rectangular pipe is connected with the external circular pipe, the internal stiffening circular pipe coaxial with the external circular pipe is welded in the rectangular pipe, and the upper and lower node plates are additionally arranged at the node, so that the connection strength of the node is improved, and the connection reliability of the node is ensured.
Description
Technical Field
The utility model relates to the technical field of building structure construction, in particular to a rectangular pipe and circular pipe connecting node.
Background
With the rapid development of the times, the architecture gradually advances to the aspects of large-span space, flexible and graceful modeling and the like, and the latticed shell structure, in particular the single-layer latticed shell structure, gradually becomes a widely applied structural form in the architectural design of China, for example, a single-layer latticed shell structure is adopted in some theatres, science and technology museums, squares and the like.
The latticed shell structure is based on the rod pieces, a large number of nodes are connected into a curved surface grid structure, the stress is reasonable, the modeling is free, and the material is economical. In the latticed shell structure, the design of the connection node is of great importance. The metal rods meeting in different directions are connected together by the nodes to form a static stable latticed shell structure. Therefore, the design of the node directly affects the force transmission performance, engineering progress and overall reliability of the structure. Numerous studies indicate that destabilization of the latticed shell structure tends to occur preferentially at the node position, and the improvement of the node rigidity can effectively reduce the probability of structural damage.
At present, the nodes of the latticed shell structure are mostly in direct welding or bolting modes. Under the welded joints, the force is transferred between the rod pieces only by virtue of the welded joints on the outer surfaces of the rod pieces, the stability and the load capacity of the joint are limited, and when the structural span is large or the load is high, the latticed shell structure has instability risk, and the reliability of the joint is poor; the bolt node is the junction of fixed member through assembly parts such as ordinary bolt or high strength bolt, and is higher to the requirement of construction precision, and the bolt takes place to warp under long-term use easily to under the circumstances that has the vibration, the bolt is very easy not hard up to destroy, influences the structure safety of node, and the node reliability is poor.
Accordingly, there is a need for improvements over the prior art.
Disclosure of Invention
The utility model aims to provide a rectangular pipe and round pipe connecting node aiming at the defects of the prior art and aims to improve the reliability of the node.
The utility model adopts the technical scheme that: the rectangular pipe and round pipe connecting node comprises an inner stiffening round pipe, a rectangular pipe, an external upper round pipe, an external lower round pipe, an inner stiffening round pipe, an upper node plate and a lower node plate; the inner stiffening circular tube is arranged in one end of the rectangular tube, and the upper end and the lower end of the inner stiffening circular tube are respectively welded with the inner wall of the rectangular tube; the upper node plate is welded on the upper side of the end part of the rectangular pipe, the lower end of the external upper round pipe is connected with the top of the upper node plate, and the external upper round pipe is coaxial with the inner stiffening round pipe; the lower gusset plate is welded at the lower side of the end of the rectangular pipe, the upper end of the external lower circular pipe is connected with the bottom of the lower gusset plate, and the external lower circular pipe is coaxial with the inner stiffening circular pipe.
According to the scheme, four rectangular pipes are respectively a first rectangular pipe, a second rectangular pipe, a third rectangular pipe and a fourth rectangular pipe; the inner stiffening circular tube is arranged inside one end of the first rectangular tube; the axis of the inner stiffening circular tube is perpendicular to the axis of the first rectangular tube.
According to the scheme, the ends of the first rectangular pipe, the second rectangular pipe, the third rectangular pipe and the fourth rectangular pipe are all arranged between the upper node plate and the lower node plate and are all connected with the upper node plate and the lower node plate.
According to the scheme, the tops of the rectangular pipes are level; the bottoms of the rectangular pipes are flush.
According to the scheme, the second rectangular pipe and the third rectangular pipe are respectively positioned at two sides of the first rectangular pipe, and the end part of the second rectangular pipe is welded and fixed with the outer wall of one side of the first rectangular pipe; the end part of the third rectangular pipe is welded and fixed with the outer wall of the other side of the first rectangular pipe; the fourth rectangular pipe is located between first rectangular pipe and the third rectangular pipe, and the tip of fourth rectangular pipe respectively with the outer wall welded fastening of first rectangular pipe and third rectangular pipe.
According to the scheme, the upper node plate is a special-shaped plate and comprises four extension sections corresponding to the four rectangular pipe positions respectively, and the outer end of each extension section exceeds the welding position of the corresponding rectangular pipe by at least 200mm; the upper node plate and the lower node plate are identical in structure and size.
According to the scheme, the first stiffening rib plate is arranged in the end part of the first rectangular pipe and is positioned on the outer side of the inner stiffening circular pipe.
According to the scheme, the second stiffening rib plate is arranged in the first rectangular pipe, one end of the second stiffening rib plate is located at the inner side of the joint of the second rectangular pipe and the first rectangular pipe, and the other end of the second stiffening rib plate is located at the inner side of the joint of the third rectangular pipe and the first rectangular pipe.
According to the scheme, the third stiffening rib plate is arranged in the third rectangular pipe and is positioned at the joint of the third rectangular pipe and the fourth rectangular pipe, and the axis of the third stiffening rib plate is vertical to the axis of the third rectangular pipe.
According to the scheme, each rectangular pipe, the external upper circular pipe, the external lower circular pipe, the internal stiffening circular pipe, each stiffening rib plate and each node plate are all made of steel.
The beneficial effects of the utility model are as follows: 1. according to the node, the rectangular pipe is connected with the external circular pipe, the internal stiffening circular pipe coaxial with the external circular pipe is welded in the rectangular pipe, and the upper node plate and the lower node plate are additionally arranged at the node, so that the connection strength of the node is improved, the load resistance of the node is greatly enhanced, the connection reliability of the node is ensured, and meanwhile, the anti-seismic performance of the node can be improved due to the arrangement of the node plates; 2. according to the utility model, the external round pipe, the node plate and the rectangular pipe are all welded, the pressure born by the external round pipe is transmitted to the rectangular pipe through the welded joint and further transmitted to the stiffening rib plate, and then transmitted to the external round pipe at the other side, so that the original side wall stress is changed into the section stress, the node strength and the rigidity are improved, and the structural overall stability is enhanced. 3. The utility model has simple material (the node plate is made of steel plate), lower cost and simple construction.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of the second embodiment.
Fig. 3 is a schematic plan view of the third embodiment.
Wherein: 1. a first rectangular tube; 2. a second rectangular tube; 3. a third rectangular tube; 4. a fourth rectangular tube; 5. an inner stiffening circular tube; 6. externally connecting an upper round tube; 7. externally connecting a lower circular tube; 8. an upper gusset plate; 9. a lower gusset plate; 10. a first stiffening rib; 11. a second stiffening rib plate; 12. and a third stiffening rib plate.
Detailed Description
For a better understanding of the present utility model, the present utility model is further described below with reference to the drawings and specific examples.
The rectangular pipe and round pipe connecting node shown in fig. 1-2 comprises an inner stiffening round pipe 5, a rectangular pipe, an external upper round pipe 6, an external lower round pipe 7, an inner stiffening round pipe 5, an upper node plate 8 and a lower node plate 9; the inner stiffening circular tube 5 is arranged in one end of the rectangular tube, and the upper end and the lower end of the inner stiffening circular tube 5 are respectively welded with the inner wall of the rectangular tube; the upper node plate 8 is welded on the upper side of the end part of the rectangular pipe, the lower end of the external upper circular pipe 6 is connected with the top of the upper node plate 8, and the external upper circular pipe 6 is coaxial with the inner stiffening circular pipe 5; the lower gusset plate 9 is welded at the lower side of the end of the rectangular pipe, the upper end of the external lower circular pipe 7 is connected with the bottom of the lower gusset plate 9, and the external lower circular pipe 7 is coaxial with the inner stiffening circular pipe 5.
In the utility model, the specifications of the external upper circular tube 6, the external lower circular tube 7 and the internal stiffening circular tube 5 are the same.
In the utility model, four rectangular pipes are respectively a first rectangular pipe 1, a second rectangular pipe 2, a third rectangular pipe 3 and a fourth rectangular pipe 4; the inner stiffening circular tube 5 is arranged inside one end of the first rectangular tube 1; the axis of the inner stiffening circular tube 5 is perpendicular to the axis of the first rectangular tube 1.
Preferably, the ends of the first rectangular pipe 1, the second rectangular pipe 2, the third rectangular pipe 3 and the fourth rectangular pipe 4 are all arranged between the upper and lower node plates 9 and are all connected with the upper node plate 8 and the lower node plate 9.
In the utility model, the top of each rectangular pipe is welded with the bottom surface of the upper gusset plate 8, and the bottom of each rectangular pipe is welded with the top surface of the lower gusset plate 9.
In the utility model, the tops of the rectangular pipes are level; the bottoms of the rectangular pipes are flush.
Preferably, the second rectangular tube 2 and the third rectangular tube 3 are respectively positioned at two sides of the first rectangular tube 1, and the end part of the second rectangular tube 2 is welded and fixed with the outer wall of one side of the first rectangular tube 1; the end part of the third rectangular pipe 3 is welded and fixed with the outer wall of the other side of the first rectangular pipe 1; the fourth rectangular pipe 4 is located between the first rectangular pipe 1 and the third rectangular pipe 3, and the end parts of the fourth rectangular pipe 4 are welded and fixed with the outer walls of the first rectangular pipe 1 and the third rectangular pipe 3 respectively.
In the utility model, the ends of the first rectangular pipe 1, the second rectangular pipe 2, the third rectangular pipe 3 and the fourth rectangular pipe 4 form a penetration welding joint.
In the utility model, as shown in fig. 3, the upper gusset plate 8 is a deformed plate and comprises four extension sections corresponding to the four rectangular pipes respectively, and the outer end of each extension section exceeds the welding position of the corresponding rectangular pipe by at least 200mm; the upper gusset 8 and the lower gusset 9 are identical in structure and size.
Preferably, a first stiffening rib plate 10 is arranged in the end part of the first rectangular pipe 1, and the first stiffening rib plate 10 is positioned at the outer side of the inner stiffening circular pipe 5.
Preferably, a second stiffening rib plate 11 is arranged in the first rectangular pipe 1, one end of the second stiffening rib plate 11 is located at the inner side of the joint of the second rectangular pipe 2 and the first rectangular pipe 1, and the other end of the second stiffening rib plate 11 is located at the inner side of the joint of the third rectangular pipe 3 and the first rectangular pipe 1.
Preferably, a third stiffening rib plate 12 is arranged in the third rectangular tube 3, the third stiffening rib plate 12 is located at the joint of the third rectangular tube 3 and the fourth rectangular tube 4, and the third stiffening rib plate 12 is perpendicular to the axis of the third rectangular tube 3.
In the middle and the south of the utility model, the thickness of each stiffening rib plate is the same as the wall thickness of the corresponding rectangular pipe.
In the utility model, each rectangular pipe, the external upper circular pipe 6, the external lower circular pipe 7, the internal stiffening circular pipe 5, each stiffening rib plate and each node plate can be made of steel.
Examples
The connecting node is used for a new museum of a science and technology center of certain province, four rectangular pipes are intersected with two external round pipes at the chord-up position of a side truss of the new museum and a roof, and the connecting node is adopted. In the embodiment, each rectangular pipe, the external upper round pipe 6 and the external lower round pipe 7 are all prefabricated rod pieces with a latticed shell structure, and have a certain wall thickness; an inner stiffening circular tube 5 is arranged in the first rectangular tube 1, and the upper end and the lower end of the inner stiffening circular tube 5 are welded with the inner wall of the first rectangular tube 1; the external upper round tube 6 is welded with the upper node plate 8, and the external lower round tube 7 is welded with the lower node plate 9; the inner stiffening circular tube 5, the outer upper circular tube 6 and the outer lower compass are identical in specification, and the axes of the inner stiffening circular tube 5, the outer upper circular tube 6 and the outer lower compass are positioned on the same straight line. The ends of the first rectangular pipe 1, the second rectangular pipe 2, the third rectangular pipe 3 and the fourth rectangular pipe 4 are welded and connected through an upper node plate and a lower node plate 9; the thickness of the upper node plate 8 and the lower node plate 9 is the same as the maximum wall thickness of the rectangular pipe, and the edge of the extension section of the upper node plate 8 and the lower node plate 9 exceeds the welding position of the corresponding rectangular pipe by at least 200mm. The ends of the second rectangular pipe 2 and the third rectangular pipe 3 are welded on two sides of the first rectangular pipe 1, a plane formed by the welding seam is intersected with the end of the first rectangular pipe 1, and the first stiffening rib plate 10 is welded with the inner wall of the first rectangular pipe 1 on the plane.
What is not described in detail in this specification is prior art known to those skilled in the art.
Finally, it should be noted that the foregoing is merely a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and although the present utility model has been described in detail with reference to the embodiment, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but any modifications, equivalents, improvements or changes thereof may be made without departing from the spirit and principle of the present utility model.
Claims (10)
1. The rectangular pipe and round pipe connecting node is characterized by comprising an inner stiffening round pipe, a rectangular pipe, an external upper round pipe, an external lower round pipe, an inner stiffening round pipe, an upper node plate and a lower node plate; the inner stiffening circular tube is arranged in one end of the rectangular tube, and the upper end and the lower end of the inner stiffening circular tube are respectively welded with the inner wall of the rectangular tube; the upper node plate is welded on the upper side of the end part of the rectangular pipe, the lower end of the external upper round pipe is connected with the top of the upper node plate, and the external upper round pipe is coaxial with the inner stiffening round pipe; the lower gusset plate is welded at the lower side of the end of the rectangular pipe, the upper end of the external lower circular pipe is connected with the bottom of the lower gusset plate, and the external lower circular pipe is coaxial with the inner stiffening circular pipe.
2. The rectangular pipe and round pipe connecting node according to claim 1, wherein the rectangular pipes are four, namely a first rectangular pipe, a second rectangular pipe, a third rectangular pipe and a fourth rectangular pipe; the inner stiffening circular tube is arranged inside one end of the first rectangular tube; the axis of the inner stiffening circular tube is perpendicular to the axis of the first rectangular tube.
3. The rectangular pipe and round pipe connection node according to claim 2, wherein the ends of the first rectangular pipe, the second rectangular pipe, the third rectangular pipe and the fourth rectangular pipe are all arranged between the upper and lower node plates and are all connected with the upper and lower node plates.
4. A rectangular tube to round tube connection node as claimed in claim 3, wherein the top of each rectangular tube is flush; the bottoms of the rectangular pipes are flush.
5. The rectangular pipe and round pipe connecting node as claimed in claim 2, wherein the second rectangular pipe and the third rectangular pipe are respectively positioned at two sides of the first rectangular pipe, and the end part of the second rectangular pipe is welded and fixed with the outer wall of one side of the first rectangular pipe; the end part of the third rectangular pipe is welded and fixed with the outer wall of the other side of the first rectangular pipe; the fourth rectangular pipe is located between first rectangular pipe and the third rectangular pipe, and the tip of fourth rectangular pipe respectively with the outer wall welded fastening of first rectangular pipe and third rectangular pipe.
6. The rectangular pipe and round pipe connecting node according to claim 5, wherein the upper node plate is a deformed plate and comprises four extension sections corresponding to the four rectangular pipe positions respectively, and the outer end of each extension section exceeds the welding position of the corresponding rectangular pipe by at least 200mm; the upper node plate and the lower node plate are identical in structure and size.
7. The joint of rectangular pipes and round pipes according to claim 5, wherein a first stiffening rib is arranged in the end part of the first rectangular pipe, and the first stiffening rib is arranged on the outer side of the inner stiffening round pipe.
8. The joint of rectangular pipes and round pipes according to claim 5, wherein a second stiffening rib plate is arranged in the first rectangular pipe, one end of the second stiffening rib plate is located on the inner side of the joint of the second rectangular pipe and the first rectangular pipe, and the other end of the second stiffening rib plate is located on the inner side of the joint of the third rectangular pipe and the first rectangular pipe.
9. The joint of rectangular pipes and round pipes according to claim 5, wherein a third stiffening rib plate is arranged in the third rectangular pipe, the third stiffening rib plate is located at the joint of the third rectangular pipe and the fourth rectangular pipe, and the third stiffening rib plate is perpendicular to the axis of the third rectangular pipe.
10. The rectangular tube to round tube connection node of claim 5, wherein each rectangular tube, the circumscribing upper round tube, the circumscribing lower round tube, the inner stiffening round tube, each stiffening rib and each node plate are all fabricated from steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323020274.0U CN221030624U (en) | 2023-11-06 | 2023-11-06 | Rectangular pipe and round pipe connection node |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323020274.0U CN221030624U (en) | 2023-11-06 | 2023-11-06 | Rectangular pipe and round pipe connection node |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221030624U true CN221030624U (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323020274.0U Active CN221030624U (en) | 2023-11-06 | 2023-11-06 | Rectangular pipe and round pipe connection node |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221030624U (en) |
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2023
- 2023-11-06 CN CN202323020274.0U patent/CN221030624U/en active Active
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