CN216974275U - Rod piece reinforcing structure - Google Patents
Rod piece reinforcing structure Download PDFInfo
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- CN216974275U CN216974275U CN202220660379.9U CN202220660379U CN216974275U CN 216974275 U CN216974275 U CN 216974275U CN 202220660379 U CN202220660379 U CN 202220660379U CN 216974275 U CN216974275 U CN 216974275U
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Abstract
The utility model provides a rod piece reinforcing structure which is used for reinforcing a branch pipe connected between adjacent main pipes and comprises a steel sleeve sleeved outside the branch pipe, wherein a preset distance is reserved between the end part of the steel sleeve and a connecting node of the main pipe and the branch pipe, the steel sleeve is formed by splicing at least two sleeve pieces extending along the axial direction of the branch pipe, the sleeve pieces are welded on the branch pipe, and the two adjacent sleeve pieces are welded and connected. The outsourcing is consolidated through the branch pipe overcoat grafting steel casing between adjacent being responsible for, can effectively improve the intensity of branch pipe, outsourcing steel casing and inside branch pipe synergism, form the combination cross-section, the radius of gyration of this combination cross-section is greater than the radius of gyration of former branch pipe cross section, make the slenderness ratio of combination component reduce, the pressurized cross section increases, and then make the compressive stress that the branch pipe cross section received reduce, thereby changed the not enough state of branch pipe stability, make the stability of branch pipe satisfy the requirement of stress state.
Description
Technical Field
The utility model relates to the technical field of building structure reinforcement, in particular to a rod piece reinforcing structure.
Background
In recent years, steel pipes are widely used as structural members in building structures, and in the construction of space structures, due to the complex and various numbers, angles, sizes and shapes of the junction rod pieces, branch pipes between adjacent main pipes are usually smaller than the main pipes, so that the branch pipes are often weak parts in the structures. In addition, when the stress states of the rod pieces and the nodes are changed due to the change of the functions and the structural forms of the existing buildings, the branch pipes are used as weak parts in the structure and need to be reinforced according to the stress states after reconstruction.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a rod piece reinforcing structure which can reinforce branch pipes connected between adjacent main pipes, improve the strength of the branch pipes and enable the stability of the branch pipes to meet the requirement of a stress state.
In order to achieve the purpose, the utility model provides a rod piece reinforcing structure which is used for reinforcing a branch pipe connected between adjacent main pipes, the rod piece reinforcing structure comprises a steel sleeve sleeved outside the branch pipe, a preset distance is reserved between the end part of the steel sleeve and a connecting node of the main pipe and the branch pipe, the steel sleeve is formed by splicing at least two sleeve pieces extending along the axial direction of the branch pipe, the sleeve pieces are welded on the branch pipe, and the two adjacent sleeve pieces are welded and connected.
Optionally, the casing pipe piece and the branch pipe are connected through long hole plug welding.
Optionally, the sleeve piece is provided with a plurality of welding long holes distributed along the axial direction of the branch pipe, and the length direction of the welding long holes is parallel to the axial direction of the branch pipe.
Optionally, the welding long holes are distributed at equal intervals along the axial direction of the branch pipe.
Optionally, a preset distance between the end of the steel sleeve and the connection node of the main pipe and the branch pipe is not less than one tenth of the length of the branch pipe.
Optionally, two adjacent sleeve segments are connected by a cover surface welding.
Optionally, two adjacent sleeve segments are connected by a butt weld.
Optionally, a plurality of stiffening plates distributed along the circumferential direction of the steel sleeve are welded on the outer wall of the steel sleeve, and the stiffening plates extend in a direction parallel to the axial direction of the steel sleeve.
Optionally, the stiffening plate is T-shaped, the stiffening plate includes a top plate and a web, and opposite ends of the web are respectively connected to the steel sleeve and the top plate vertically.
Optionally, the stiffening plates are uniformly distributed along the circumferential direction of the steel sleeve.
The utility model provides a rod piece reinforcing structure, which at least has one of the following beneficial effects:
1) the steel sleeve is sleeved outside the branch pipe connected between the adjacent main pipes to reinforce the outside, so that the strength of the branch pipe can be effectively improved, the outside-wrapped steel sleeve and the internally reinforced branch pipe cooperatively act to form a combined section, the turning radius of the combined section is larger than that of the original branch pipe, the slenderness ratio of the combined member is reduced, the pressed section is increased, and further the compressive stress on the cross section of the branch pipe is reduced, so that the state of insufficient stability of the branch pipe is changed, and the stability of the branch pipe meets the requirement of the stressed state;
2) the steel casing is followed by at least two the sleeve pipe piece concatenation that the branch pipe axial direction extends forms, and the form of reinforcing that compares in traditional steel pipe wall thickness thickening or external diameter increase just is applicable to the engineering completion of space structure before, makes through the form of concatenation the reinforced structure all can implement around the construction is accomplished, and application scope is more extensive, only needs through processing suitable cover section of jurisdiction, and on-the-spot welded fastening is in on the branch pipe, can realize the reinforcement of branch pipe.
Drawings
It will be appreciated by those skilled in the art that the drawings are provided for a better understanding of the utility model and do not constitute any limitation to the scope of the utility model. Wherein:
fig. 1 is a schematic structural diagram of a rod reinforcing structure according to an embodiment of the present invention;
FIG. 2 is a schematic illustration of a steel casing provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a rod reinforcement structure according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of another rod reinforcement structure provided in accordance with an embodiment of the present invention;
in the drawings:
10-main tube; 2-branch pipe; 3-sleeving a pipe piece; 4-welding a long hole; 5-a stiffening plate.
Detailed Description
To further clarify the objects, advantages and features of the present invention, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It is to be noted that the drawings are in greatly simplified form and are not to scale, but are merely intended to facilitate and clarify the explanation of the embodiments of the present invention. Further, the structures illustrated in the drawings are often part of actual structures. In particular, the drawings may have different emphasis points and may sometimes be scaled differently.
As used in this application, the singular forms "a," "an," and "the" include plural referents unless the content clearly dictates otherwise. As used in this disclosure, the term "or" is generally employed in its sense including "and/or" unless the content clearly dictates otherwise. As used in this disclosure, the term "plurality" is generally employed in its sense including "at least one" unless the content clearly dictates otherwise. As used in this disclosure, the term "at least two" is generally employed in a sense including "two or more" unless the content clearly dictates otherwise. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or at least two of the features.
Fig. 1 is a schematic structural diagram of a rod reinforcing structure according to an embodiment of the present invention; FIG. 2 is a schematic illustration of a steel casing provided by an embodiment of the present invention; FIG. 3 is a cross-sectional view of a rod reinforcement structure according to an embodiment of the present invention; fig. 4 is a cross-sectional view of another rod reinforcement structure according to an embodiment of the present invention.
Referring to fig. 1 to 3, the present embodiment provides a rod piece reinforcing structure, which is used for reinforcing a branch pipe 2 connected between adjacent main pipes 1, the rod piece reinforcing structure includes a steel sleeve sleeved outside the branch pipe 2, a preset distance is provided between an end of the steel sleeve and a connection node between the main pipe 1 and the branch pipe 2, the steel sleeve is formed by splicing at least two sleeve pieces 3 extending along an axial direction of the branch pipe 2, the sleeve pieces 3 are welded on the branch pipe 2, and two adjacent sleeve pieces 3 are welded and connected.
The steel sleeve is sleeved outside the branch pipe 2 connected between the adjacent main pipes 1 to reinforce the outer casing, the strength of the branch pipe 2 can be effectively improved, the outer casing steel sleeve and the inner part are reinforced by the branch pipe 2 to form a combined section, the turning radius of the combined section is larger than the turning radius of the cross section of the original branch pipe 2, the slenderness ratio of the combined member is reduced, the pressed section is increased, and further the pressure stress borne by the cross section of the branch pipe 2 is reduced, so that the state that the stability of the branch pipe 2 is insufficient is changed, and the stability of the branch pipe 2 meets the requirement of the stressed state.
Preferably, the steel casing is formed by splicing at least two casing pieces 3 extending along the axial direction of the branch pipe 2. Compared with the traditional reinforcing mode of thickening the wall thickness of a steel pipe or increasing the outer diameter of the steel pipe before the construction of a space structure is completed, the steel sleeve outer package can be implemented in a splicing mode before and after the construction is completed, the application range is wider, the steel sleeve outer package is welded and fixed on the branch pipe 2 on site only through the sleeve piece 3 with a proper machining size, and the outer package reinforcement of the branch pipe 2 can be realized.
In this embodiment, the steel casing is formed by splicing two casing segments 3, two casing segments 3 are spliced along the circumference of the steel casing, and the steel casing that forms the annulus is wrapped outside the branch pipe 2. Of course, according to the parameters such as the pipe diameter of the branch pipe 2, the number of the duct pieces 3 can also be adjusted adaptively, for example, three or more, which is not limited in this application.
Further, the duct piece 3 and the branch pipe 2 are connected by long hole plug welding. Furthermore, a plurality of welding long holes 4 distributed along the axial direction of the branch pipe 2 are formed in the duct piece 3, and the length direction of the welding long holes 4 is parallel to the axial direction of the branch pipe 2. Fixed through the mode that adopts the slot hole plug to weld cover section of jurisdiction 3 can prevent the deformation problem that the peripheral weld brought, simultaneously through following the axial setting of branch pipe 2 welds slot hole 4, can with the axial force of branch pipe 2 effectively transmits to the sleeve pipe piece 3 of outsourcing on, improves the bearing capacity of branch pipe 2. It should be understood that the application does not impose any restrictions on the number, location and distribution of the welded oblong holes 4 in the oblong hole plug welded connection.
Preferably, the welding long holes 4 are distributed at equal intervals along the axial direction of the branch pipe 2. So that the axial force of the branch pipe 2 is uniformly transmitted to the outer-wrapped sleeve piece 3, and the local uneven stress is prevented. In addition, every the cover section of jurisdiction 3 accessible one set of edge the axial equidistant distribution of branch pipe 2 weld slot hole 4 with branch pipe 2 welds, also can pass through the multiunit edge the axial equidistant distribution of branch pipe 2 welds slot hole 4, and this application does not do the restriction to this.
In this embodiment, two adjacent sleeve segments 3 are connected by a butt weld, which is equivalent to welding along the direction of the splicing seam of the sleeve segments 3, thereby ensuring the connection strength of the sleeve segments 3. Of course, two adjacent duct pieces 3 may also be connected by other welding methods, such as cover welding, which is not limited in this application and can be selected according to specific requirements.
In this embodiment, a preset distance is provided between the end of the steel casing and the connection node between the main pipe 1 and the branch pipe 2. A certain distance is reserved between the end part of the steel sleeve and the connecting joint of the main pipe 1 and the branch pipe 2 to avoid the connecting joint of the main pipe 1 and the branch pipe 2, and further the influence on the rigidity of the integral steel structure is avoided.
Further, the preset distance between the end part of the steel sleeve and the connecting joint of the main pipe 1 and the branch pipe 2 is not less than one tenth of the length of the branch pipe 2. For example, if the predetermined distance between the end of the steel casing and the connection node of the main pipe 1 and the branch pipe 2 is about one tenth of the length of the branch pipe 2, the axial length of the steel casing is about four fifths of the axial length of the branch pipe 2.
Referring to fig. 3, a plurality of stiffening plates 5 distributed along the circumferential direction of the steel sleeve are welded to the outer wall of the steel sleeve, and the stiffening plates 5 extend in a direction parallel to the axial direction of the steel sleeve. The strength and rigidity of the steel sleeve are further improved by welding the stiffening plate 5 on the outer wall of the steel sleeve, so that the stress stability of the branch pipe 2 is improved.
In this embodiment, the stiffening plate 5 is T-shaped, the stiffening plate 5 includes a top plate and a web, and opposite ends of the web are respectively connected to the steel casing and the top plate in a perpendicular manner. It will be appreciated that where the web is perpendicular to the steel sleeve, it will be understood that the web is perpendicular to the tangent of the steel sleeve at the connection with the web, and the top plate is parallel to the tangent of the steel sleeve at the connection with the web, this will further increase the radius of gyration of the combined section formed by the steel sleeve and the pipe branch 2, so that the slenderness ratio of the combined member is further reduced, the compressive section is further increased, and the compressive stress on the cross section of the pipe branch 2 is further reduced.
Of course, the structural form of the stiffening plate 5 is not limited to the T-shape, for example, a straight line shape is also possible, as shown in fig. 4, which is not limited in this application.
Preferably, the stiffening plates 5 are uniformly distributed along the circumferential direction of the steel sleeve. In this embodiment, the number of the stiffening plates 5 is four, and the four stiffening plates 5 are uniformly distributed along the circumferential direction of the steel sleeve. Of course, the number and distribution of the stiffening plates 5 are not particularly limited in this application.
In summary, the embodiment of the utility model provides a rod piece reinforcing structure, the steel sleeve is sleeved outside the branch pipe connected between the adjacent main pipes to reinforce the branch pipe, the strength of the branch pipe can be effectively improved, the steel sleeve is sleeved outside the branch pipe and cooperates with the branch pipe reinforced inside to form a combined section, the turning radius of the combined section is larger than that of the original branch pipe, the slenderness ratio of the combined member is reduced, the pressed section is increased, the pressure stress on the cross section of the branch pipe is reduced, the state of insufficient stability of the branch pipe is changed, and the stability of the branch pipe meets the requirement of the stressed state. In addition, the steel casing is followed by at least two sleeve pipe pieces concatenation that the branch pipe axial direction extends forms, compare in traditional steel pipe wall thickness thickening or external diameter increase reinforcement form before only being applicable to spatial structure's engineering completion, make through the form of concatenation the reinforcement structure all can implement around the construction is accomplished, and application scope is more extensive, only needs through processing suitable sleeve pipe piece, and on-the-spot welded fastening is in on the branch pipe, can realize the reinforcement of branch pipe, simple structure, convenient operation.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. Any person skilled in the art can make any equivalent substitutions or modifications on the technical solutions and technical contents disclosed in the present invention without departing from the scope of the technical solutions of the present invention, and still fall within the protection scope of the present invention without departing from the technical solutions of the present invention.
Claims (10)
1. The utility model provides a member reinforced structure for the branch pipe of connecting between being responsible for to the adjacent is consolidated, a serial communication port, the member reinforced structure is established including the cover steel casing outside the branch pipe, the tip of steel casing with be responsible for with preset distance has between the connected node of branch pipe, the steel casing is followed by at least two sleeve pipe pieces concatenation that the branch pipe axial direction extends forms, the sleeve pipe piece welding is in on the branch pipe, and adjacent two sleeve pipe piece welded connection.
2. The rod reinforcing structure according to claim 1, wherein said tube sheet and said branch tubes are joined by long hole plug welding.
3. The rod reinforcing structure according to claim 2, wherein said sleeve piece is formed with a plurality of welding slots distributed along the axial direction of said branch pipe, and the length direction of said welding slots is parallel to the axial direction of said branch pipe.
4. The rod reinforcing structure according to claim 3, wherein said welding long holes are distributed at equal intervals in the axial direction of said branch pipes.
5. The rod reinforcement structure according to claim 1, wherein the predetermined distance between the end of the steel sleeve and the connection node of the main pipe and the branch pipe is not less than one tenth of the length of the branch pipe.
6. The rod reinforcing structure according to claim 1, wherein adjacent two of said sleeve segments are joined by a cap weld.
7. The rod reinforcing structure according to claim 1, wherein adjacent two of said sleeve segments are joined by a butt weld.
8. The rod reinforcement structure according to claim 1, wherein a plurality of stiffening plates are welded to the outer wall of the steel sleeve and are distributed circumferentially along the steel sleeve, and the stiffening plates extend in a direction parallel to the axial direction of the steel sleeve.
9. The rod reinforcement structure according to claim 8, wherein the stiffener plate is T-shaped, and comprises a top plate and a web plate, and opposite ends of the web plate are perpendicularly connected to the steel sleeve and the top plate, respectively.
10. The rod reinforcement structure according to claim 8, wherein the stiffener plates are uniformly distributed along a circumferential direction of the steel sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220660379.9U CN216974275U (en) | 2022-03-22 | 2022-03-22 | Rod piece reinforcing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220660379.9U CN216974275U (en) | 2022-03-22 | 2022-03-22 | Rod piece reinforcing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216974275U true CN216974275U (en) | 2022-07-15 |
Family
ID=82339581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220660379.9U Active CN216974275U (en) | 2022-03-22 | 2022-03-22 | Rod piece reinforcing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216974275U (en) |
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2022
- 2022-03-22 CN CN202220660379.9U patent/CN216974275U/en active Active
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