CN211850035U - Outside node connection structure that strengthens of major diameter steel pipe - Google Patents
Outside node connection structure that strengthens of major diameter steel pipe Download PDFInfo
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- CN211850035U CN211850035U CN201921997848.0U CN201921997848U CN211850035U CN 211850035 U CN211850035 U CN 211850035U CN 201921997848 U CN201921997848 U CN 201921997848U CN 211850035 U CN211850035 U CN 211850035U
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- steel pipe
- round steel
- reinforcing plate
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Abstract
A large-diameter steel pipe external reinforcing node connecting structure is formed by welding a main round steel pipe, a square steel pipe and two branch round steel pipes; the two branch round steel pipes are symmetrically welded on two sides of the main round steel pipe, and the branch square steel pipe is welded on the side surface of the main round steel pipe; the upper node reinforcing plate, the middle node reinforcing plate and the lower node reinforcing plate are welded at the upper position, the middle position and the lower position of each of the two round steel pipes respectively and are reinforced, wherein the arc transition section of the middle node reinforcing plate is arranged at the central opening position of each round steel pipe and is connected with the outer ring rib plate welded on the main round steel pipe, the arc transition sections of the upper node reinforcing plate and the lower node reinforcing plate are arranged at the upper flange position of each square steel pipe to form smooth connection with the square steel pipes, and the arc transition sections are respectively connected with the round steel pipes in a smooth mode through the connecting rib plates welded with the arc transition sections. The structure effectively solves the problem that the bearing capacity of the joint connecting position is sharply reduced under the condition that the pipe diameters are greatly different in the steel structure design.
Description
Technical Field
The utility model belongs to the port engineering field relates to an outside node connection structure of strengthening of major diameter steel pipe.
Background
The major diameter main steel pipe is connected with the minor diameter branch pipe or square pipe, and the rib plate is welded inside the steel pipe through the conventional joint reinforcement. But reinforcing at the inside welding floor of steel pipe, node structural strength can extremely reduce, and the pipe diameter differs great, and node strength reduces more obviously. The reinforcing treatment of the welding rib plate by increasing the wall thickness of the steel pipe can be only slightly improved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough among the above-mentioned prior art just to overcome, and provides the outside node connection structure of strengthening of major diameter steel pipe, and this structure has effectively solved the problem that the node connection position bearing capacity sharply reduces under the very big condition of pipe diameter difference in the steel construction design.
As the conception, the technical proposal of the utility model is that: the utility model provides a node connection structure is strengthened to major diameter steel pipe outside which characterized in that: the joint connecting structure is formed by welding a main round steel pipe, a branch square steel pipe and two branch round steel pipes; the two branch round steel pipes are symmetrically welded on two sides of the main round steel pipe, and the branch square steel pipe is welded on the main round steel pipe; the upper node reinforcing plate, the middle node reinforcing plate and the lower node reinforcing plate are welded at the upper position, the middle position and the lower position of each of the two round steel pipes respectively and are reinforced, wherein the arc transition section of the middle node reinforcing plate is arranged at the central opening position of each round steel pipe and is connected with the outer ring rib plate welded on the main round steel pipe, the arc transition sections of the upper node reinforcing plate and the lower node reinforcing plate are arranged at the upper flange position of each square steel pipe to form smooth connection with the square steel pipes, and the arc transition sections are respectively connected with the round steel pipes in a smooth mode through the connecting rib plates welded with the arc transition sections.
The outer diameter of the main round steel pipe is 2.5m, and the wall thickness is 0.03 m.
The length and width of the square steel pipe are both 1.0m, and the wall thickness is 0.03 m.
The outer diameter of the branch round steel pipe is 0.7m, and the wall thickness is 0.03 m.
The thickness of the upper, middle and lower layer node reinforcing plate plates is 0.03 m.
The thickness of the outer ring rib plate and the connecting rib plate is 0.02 m.
The utility model discloses the problem of the sudden reduction of nodal connection position bearing capacity under the very big condition of pipe diameter difference in the steel construction design has effectively been solved to node additional strengthening form. The three-layer circular arc-shaped transition gusset plate is arranged at the upper, middle and lower positions of the branch circular steel pipe, and the reinforcing gusset structure is formed by connecting the connecting rib plates, so that the bearing capacity can be improved by about 40 times, the larger the pipe diameter of the sleeve is, the thinner the wall thickness is, the more remarkable the improvement of the structural bearing capacity is, and the practical value is very high.
Drawings
FIG. 1 is a front view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a top view of the present invention;
fig. 4 is a bottom view of the present invention.
In the figure: 1. a main round steel pipe; 2. supporting a round steel pipe; 3. a square steel pipe; 4. a lower node reinforcing plate; 5. an upper node reinforcing plate; 6. a middle layer node reinforcing plate; 7. an outer ring rib plate; 8. connecting the rib plates.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings and examples, but it should be understood that these drawings are designed for illustrative purposes only and thus are not intended to limit the scope of the present invention. Furthermore, unless otherwise indicated, the drawings are intended to be illustrative of the structural configurations described herein and are not necessarily drawn to scale.
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, 2, 3, 4: the utility model relates to a large-diameter steel pipe external reinforced node connection structure, which is a node connection structure formed by welding a main round steel pipe 1, a square steel pipe 3 and two round steel pipes 2; the two branch circular steel tubes 2 are symmetrically welded on two sides of the main circular steel tube 1, and the branch square steel tube 3 is welded on the main circular steel tube 1. The upper, middle and lower positions of two round steel pipes 2 are respectively welded with an upper node reinforcing plate 5, a middle node reinforcing plate 6 and a lower node reinforcing plate 4 for reinforcement, wherein, the arc transition section of the middle node reinforcing plate 6 is arranged at the central opening position of the round steel pipe and is connected with an outer ring rib plate 7 welded on the main round steel pipe 1, the arc transition sections of the upper node reinforcing plate 5 and the lower node reinforcing plate 4 are arranged at the upper flange of the square steel pipe 3 to form smooth connection with the square steel pipe 3, and are respectively connected with the round steel pipe 2 through a connecting rib plate 8 welded with the arc transition sections.
The outer diameter of the main round steel pipe is 2.5m, and the wall thickness is 0.03 m.
The length and width of the square steel pipe are both 1.0m, and the wall thickness is 0.03 m.
The outer diameter of the branch round steel pipe is 0.7m, and the wall thickness is 0.03 m.
The thickness of the upper, middle and lower layer node reinforcing plate plates is 0.03 m.
The thickness of the outer ring rib plate and the connecting rib plate is 0.02 m.
The above embodiments are described in detail, but the above description is only for the preferred embodiments of the present invention, and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (6)
1. The utility model provides a node connection structure is strengthened to major diameter steel pipe outside which characterized in that: the joint connecting structure is formed by welding a main round steel pipe, a branch square steel pipe and two branch round steel pipes; the two branch round steel pipes are symmetrically welded on two sides of the main round steel pipe, and the branch square steel pipe is welded on the side surface of the main round steel pipe; the upper node reinforcing plate, the middle node reinforcing plate and the lower node reinforcing plate are welded at the upper position, the middle position and the lower position of each of the two round steel pipes respectively and are reinforced, wherein the arc transition section of the middle node reinforcing plate is arranged at the central opening position of each round steel pipe and is connected with the outer ring rib plate welded on the main round steel pipe, the arc transition sections of the upper node reinforcing plate and the lower node reinforcing plate are arranged at the upper flange position of each square steel pipe to form smooth connection with the square steel pipes, and the arc transition sections are respectively connected with the round steel pipes in a smooth mode through the connecting rib plates welded with the arc transition sections.
2. The external reinforcing joint connecting structure for the large-diameter steel pipe according to claim 1, wherein: the outer diameter of the main round steel pipe is 2.5m, and the wall thickness is 0.03 m.
3. The external reinforcing joint connecting structure for the large-diameter steel pipe according to claim 1, wherein: the length and width of the square steel pipe are both 1.0m, and the wall thickness is 0.03 m.
4. The external reinforcing joint connecting structure for the large-diameter steel pipe according to claim 1, wherein: the outer diameter of the branch round steel pipe is 0.7m, and the wall thickness is 0.03 m.
5. The external reinforcing joint connecting structure for the large-diameter steel pipe according to claim 1, wherein: the thickness of the upper, middle and lower layer node reinforcing plate plates is 0.03 m.
6. The external reinforcing joint connecting structure for the large-diameter steel pipe according to claim 1, wherein: the thickness of the outer ring rib plate and the connecting rib plate is 0.02 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997848.0U CN211850035U (en) | 2019-11-18 | 2019-11-18 | Outside node connection structure that strengthens of major diameter steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921997848.0U CN211850035U (en) | 2019-11-18 | 2019-11-18 | Outside node connection structure that strengthens of major diameter steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211850035U true CN211850035U (en) | 2020-11-03 |
Family
ID=73218941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921997848.0U Active CN211850035U (en) | 2019-11-18 | 2019-11-18 | Outside node connection structure that strengthens of major diameter steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211850035U (en) |
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2019
- 2019-11-18 CN CN201921997848.0U patent/CN211850035U/en active Active
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