CN115807486B - Node connection structure of complex pipe truss and pipe truss system - Google Patents
Node connection structure of complex pipe truss and pipe truss system Download PDFInfo
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- CN115807486B CN115807486B CN202211704297.0A CN202211704297A CN115807486B CN 115807486 B CN115807486 B CN 115807486B CN 202211704297 A CN202211704297 A CN 202211704297A CN 115807486 B CN115807486 B CN 115807486B
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 46
- 238000003466 welding Methods 0.000 claims abstract description 20
- 230000002787 reinforcement Effects 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims description 14
- 238000009435 building construction Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The invention relates to the technical field of building construction, in particular to a node connection structure of a complex pipe truss and a pipe truss system, wherein the node connection structure comprises: the pipe truss chord members are arranged along the horizontal direction; the pipe truss chord includes: a first tube chord and a second tube chord; the diameter of the first pipe truss chord member and the wall thickness of the pipe wall are larger than those of the second pipe truss chord member; the web members are at least two and are arranged in the vertical direction and fixedly connected with the pipe truss chord members; a reinforcing rib provided in the first pipe truss chord; the second pipe truss chord passes through the first pipe truss chord and is fixedly connected with the reinforcing rib plate; the web member is inserted into the first tube truss chord and fixedly connected to the reinforcement rib. The structure can solve the problems that the node connection structure of the pipe truss in the prior art is difficult to meet the requirements of the tensile bearing capacity and the compressive bearing capacity of the complex pipe truss node connected by multiple connecting rods, and solves the problems that welding seams in the intersection area of the nodes are too concentrated, the welding area is insufficient and the like.
Description
Technical Field
The invention relates to the technical field of pipe truss building structures, in particular to a node connection structure of a complex pipe truss and a pipe truss system.
Background
The pipe truss is a lattice structure formed by connecting round bar members to each other at the ends. The tubular rod piece makes the truss structure material economical, the structure weight light, easy to form various shapes to adapt to different uses, such as simple truss, arch, frame and tower. The pipe truss is a most commonly used structural form in a large-span building structure in space, and is widely applied to buildings with high space requirements, such as stadiums, airports, stations, theatres, large-span workshops, bridges and the like. The truss structure is reasonable in form, the force transmission path is clear, and the rod piece is mainly subjected to axial force, so that compared with other structure forms, the steel consumption is saved.
However, the existing pipe truss node connection structure is difficult to meet the strength requirement of complex nodes, and particularly, the complex connection structure of 3 pipe trusses and 6 web member intersecting nodes is difficult to meet. For such complex joints, existing pipe truss joint connection structures have difficulty in meeting the tensile load-bearing capacity of complex pipe truss joints connected by multiple links.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to solve the problems that the node connection structure of the pipe truss in the prior art is difficult to meet the insufficient tensile bearing capacity and the insufficient compressive capacity of the complex pipe truss node connected by multiple connecting rods, and solve the problems that the welding lines of the node intersection area are too concentrated, the welding area is insufficient and the like. To this end, the present invention provides a node connection structure of a complex pipe truss, comprising:
the pipe truss comprises at least two pipe truss chords, wherein the pipe truss chords are arranged along the horizontal direction; the pipe truss chord includes: a first tube chord and a second tube chord; the diameter of the first pipe truss chord member and the wall thickness of the pipe wall are larger than those of the second pipe truss chord member;
the web members are at least two and are arranged in the vertical direction and fixedly connected with the pipe truss chord members;
a reinforcing rib plate provided in the first pipe chord member and provided in a radial direction of the first pipe chord member;
the second pipe truss chord passes through the first pipe truss chord and is fixedly connected with the reinforcing rib plate; and/or the web member is inserted into the first pipe truss chord member and fixedly connected with the reinforcement rib plate.
Optionally, the reinforcing rib plate is matched with the inner cavity of the first pipe truss chord in shape, and the outer contour edge of the reinforcing rib plate is fixedly connected with the inner cavity wall of the first pipe truss chord in a welding manner.
Optionally, the first pipe chord member is provided with an insertion hole into which the second pipe chord member and/or the web member is inserted.
Optionally, the pipe truss chord member and the web member are stay bars with circular cross sections, and the reinforcing rib plate is of a circular plate-shaped structure matched with the shape of the pipe truss chord member.
Optionally, the first pipe truss chord is one; the two second pipe truss chords are fixed on the first pipe truss chords in a crossing manner; the first pipe truss chord member and the second pipe truss chord member form a rice-shaped structure; the number of the web members is 6.
Optionally, the pipe truss chord member, the web member and the reinforcing rib plate are welded and connected, and are prefabricated and processed in a factory to form a node connecting structure;
the extension part of the pipe truss chord member is welded and fixed on the pipe truss chord member of the node connecting structure at a construction site; and/or the number of the groups of groups,
the extension part of the web member is welded and fixed on the web member of the node connecting structure at a construction site.
Optionally, the first pipe chord includes: a connecting part for fixedly connecting the two sections by welding; the reinforcing rib plate is fixed on the connecting surface of two adjacent connecting parts.
Optionally, the end of the web member inserted into the first pipe truss chord has a connection inclined surface adapted to the shape of the reinforcing rib.
A pipe truss system comprising: node connection structure of complicated pipe truss.
The technical scheme of the invention has the following advantages:
1. the invention provides a node connection structure of a complex pipe truss, which comprises the following components:
the pipe truss comprises at least two pipe truss chords, wherein the pipe truss chords are arranged along the horizontal direction; the pipe truss chord includes: a first tube chord and a second tube chord; the diameter of the first pipe truss chord member and the wall thickness of the pipe wall are larger than those of the second pipe truss chord member;
the web members are at least two and are arranged in the vertical direction and fixedly connected with the pipe truss chord members;
a reinforcing rib plate provided in the first pipe chord member and provided in a radial direction of the first pipe chord member;
the second pipe truss chord passes through the first pipe truss chord and is fixedly connected with the reinforcing rib plate; and/or the web member is inserted into the first pipe truss chord member and fixedly connected with the reinforcement rib plate.
In the invention, the structural strength of the first pipe truss chord with larger diameter and larger pipe wall thickness can be effectively improved. And moreover, when the second pipe truss chord member and the web member are connected with the first pipe truss chord member, the welding surface is enough, and the tensile bearing capacity of the node is ensured. More importantly, in the invention, the reinforcing rib plate is also arranged in the radial direction of the inner cavity of the first pipe truss chord member. The second pipe chord member and the first pipe chord member are fixedly connected with the reinforcing rib plate respectively. The reinforcing rib plate can effectively increase the radial load capacity of the pipe truss chord. Moreover, the reinforcing rib plate can effectively improve the welding area between the pipe truss chord member and the web member, and solves the problems that the welding seam in the node intersection area is too concentrated, the welding area is insufficient and the like. Through above-mentioned reinforcement floor and diameter and the great first pipe truss chord member of pipe wall thickness, improved pipe truss node connection structure's tensile bearing capacity effectively to above-mentioned reinforcement floor can also improve pipe truss node connection structure's compressive capacity to a certain extent.
2. According to the node connecting structure of the complex pipe truss, the reinforcing rib plate is matched with the inner cavity of the first pipe truss chord, and the outer contour edge of the reinforcing rib plate is fixedly connected with the inner cavity wall of the first pipe truss chord in a welding mode.
Through the reinforcement rib plate with the inner chamber shape looks adaptation of first pipe truss chord member, can guarantee the joint strength of reinforcement rib plate and first pipe truss chord member effectively, improve node connection structure's reliability.
3. According to the node connection structure of the complex pipe truss, the first pipe truss chord member is provided with the jack for inserting the second pipe truss chord member and/or the web member.
In the present invention, the first chord member is provided with insertion holes into which the second chord member and the web member are inserted, respectively. Therefore, in the process of manufacturing the pipe truss node connecting structure in a factory, the first pipe truss chord member, the second pipe truss chord member and the web member can be welded and fixedly connected more simply and conveniently, and the production and processing efficiency of the complex pipe truss node connecting structure is greatly improved.
4. According to the node connecting structure of the complex pipe truss, the pipe truss chord members, the web members and the reinforcing rib plates are welded and connected, and are prefabricated and processed in a factory to form the node connecting structure;
the extension part of the pipe truss chord member is welded and fixed on the pipe truss chord member of the node connecting structure at a construction site; and/or the extension part of the web member is welded and fixed on the web member of the node connection structure at a construction site.
In the invention, the complex pipe truss node connecting structure is manufactured by prefabricating in a factory and is fixedly connected with the extension part of the pipe truss chord member or the extension part of the web member in a welding way at a construction site. The connecting mode can greatly improve the assembly efficiency of the complex pipe truss node while meeting the requirements of tensile bearing capacity and compressive capacity of the complex pipe truss node connected by the multiple connecting rods.
5. The invention provides a node connection structure of a complex pipe truss, wherein the first pipe truss chord member comprises: a connecting part for fixedly connecting the two sections by welding; the reinforcing rib plate is fixed on the connecting surface of two adjacent connecting parts.
In the invention, the first pipe truss chord member is formed by the two sections of connecting parts fixedly connected by welding, so that the reinforcing rib plate can be conveniently welded and fixed on the connecting surfaces of the two adjacent connecting parts, and the structural strength of the complex pipe truss node connecting structure is ensured.
6. According to the node connecting structure of the complex pipe truss, the end part of the web member inserted into the first pipe truss chord member is provided with the connecting inclined plane matched with the reinforcing rib plate in shape.
According to the invention, the end part of the web member is designed to be the connecting inclined plane matched with the shape of the reinforcing rib plate, so that a processing person can conveniently and rapidly and reliably fixedly connect the web member with the reinforcing rib plate and the first pipe truss chord member in a welding way when prefabricating the complex pipe truss node connecting structure in a factory.
7. The invention provides a seed tube truss system, comprising: node connection structure of complicated pipe truss. All the advantages of the complex pipe truss node connection structure are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of a complex pipe truss sleeve joint connection structure provided by the invention;
FIG. 2 is a schematic bottom perspective view of a complex pipe truss sleeve joint connection structure provided by the invention;
fig. 3 is a schematic view of a longitudinal section and a perspective view of a first tubular chord according to the present invention.
Reference numerals illustrate:
1-an end chord; 2-a first tube chord; 3-a second tube chord; 4-web members; 5-reinforcing rib plates; 6-connection.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Example 1
In this embodiment, a node connection structure of a complex pipe truss is provided, as shown in fig. 1 and fig. 2, including:
a pipe chord 1, the pipe chord 1 being arranged in a horizontal direction; the pipe truss chord 1 includes: a first pipe chord 2 and a second pipe chord 3; the diameter and the wall thickness of the pipe wall of the first pipe chord member 2 are larger than those of the second pipe chord member 3;
the web members 4 are at least two, and are arranged in the vertical direction and fixedly connected with the pipe truss chord member 1; the pipe truss chord member 1 and the web member 4 are stay bars with circular cross sections; the end part of the web member 4, which is inserted into the first pipe truss chord member 2, is provided with a connecting inclined plane which is matched with the shape of the reinforcing rib plate 5;
a reinforcing rib 5, the reinforcing rib 5 being provided in the first pipe chord 2 as shown in fig. 3, and being provided in a radial direction of the first pipe chord 2; the reinforcing rib plate 5 is matched with the shape of the inner cavity of the first pipe truss chord member 2, and the outer contour edge of the reinforcing rib plate 5 is fixedly connected with the inner cavity wall of the first pipe truss chord member 2 in a welding manner; the reinforcing rib plates 5 are of circular plate-shaped structures matched with the shapes of the pipe truss chords 1;
the second pipe truss chord 3 passes through the first pipe truss chord 2 and is fixedly connected with the reinforcing rib plate 5; the web member 4 is inserted into the first pipe truss chord 2 and fixedly connected to the reinforcing rib 5.
In this embodiment, as shown in fig. 1 and 2, the first pipe truss chord 2 is one; the two second pipe truss chords 3 are fixed on the first pipe truss chord 2 in a crossing way; the first pipe truss chord member 2 and the second pipe truss chord member 3 form a rice-shaped structure; the number of the web members 4 is 6.
In this embodiment, the first pipe chord member 2 is provided with insertion holes into which the second pipe chord member 3 and the web members 4 are inserted, respectively. Therefore, in the process of manufacturing the pipe truss node connecting structure in a factory, the first pipe truss chord member 2, the second pipe truss chord member 3 and the web member 4 can be welded and fixedly connected more simply and conveniently, and the production and processing efficiency of the complex pipe truss node connecting structure is greatly improved.
In this embodiment, the pipe truss chord member 1, the web member 4 and the reinforcing rib plate 5 are welded together and prefabricated in a factory to form a node connection structure; the extension part of the pipe truss chord member 1 is welded and fixed on the pipe truss chord member 1 of the node connecting structure at a construction site; the extension part of the web member 4 is welded and fixed on the web member 4 of the node connection structure at a construction site.
In addition, the first pipe truss chord 2 in this embodiment includes: a connecting part 6 fixedly connected with the two sections by welding; the reinforcement rib 5 is fixed to the connecting surface of two adjacent connecting portions 6. The connecting parts 6 fixedly connected through the two sections of welding form the first pipe truss chord member 2, so that the reinforcing rib plates 5 can be conveniently welded and fixed on the connecting surfaces of the two adjacent connecting parts 6, and the structural strength of the complex pipe truss node connecting structure is ensured.
Of course, the number of the tube chords 1 and the web members 4 in the present embodiment is not particularly limited, and in other embodiments, the tube chords 1 may be two or other numbers. The web members 4 may also be 7 or another number.
Of course, the present embodiment is not particularly limited as to whether the second pipe string member 3 and the web member 4 are fixedly connected to the reinforcing rib 5, and in other embodiments, one of the second pipe string member 3 and the web member 4 passes through the first pipe string member 2 and is fixedly connected to the reinforcing rib 5.
Of course, the cross-sectional shapes of the tube chord member 1 and the web member 4 are not particularly limited in this embodiment, and in other embodiments, the tube chord member 1 and the web member 4 may be brace members having polygonal cross-sections.
Of course, the mode of forming the node connection structure by the tubular chord member 1, the web members 4, and the reinforcing ribs 5 is not particularly limited in this embodiment, and in other embodiments, the tubular chord member 1 and the reinforcing ribs 5 are prefabricated and fixed together in a factory. In a construction site, the extension part of the pipe truss chord member 1 is welded and fixed on the pipe truss chord member 1 of the node connecting structure in the construction site; in addition, the web member 4 is welded and fixed to the pipe truss chord member 1 at the construction site
Of course, the mode of constructing the node connection structure of the tubular truss chord 1, the web member 4, and the reinforcing rib 5 is not particularly limited in this embodiment, and in other embodiments,
example 2
In this embodiment, there is provided a pipe truss system including: node connection structure of complex pipe truss; and an extension of the tube chord 1 and an extension of the web member 4. The node connection structure of the complex pipe truss includes: a tube truss chord 1, web members 4 and stiffening ribs 5. The extension part of the pipe truss chord member 1 is welded and fixed on the pipe truss chord member 1 of the node connecting structure at a construction site; the extension part of the web member 4 is welded and fixed on the web member 4 of the node connection structure at a construction site.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.
Claims (6)
1. A node connection structure of a complex pipe truss, comprising:
the pipe truss comprises at least two pipe truss chords (1), wherein the at least two pipe truss chords (1) are arranged along the horizontal direction; the pipe truss chord (1) includes: a first pipe chord (2) and a second pipe chord (3); the diameter and the wall thickness of the pipe wall of the first pipe truss chord member (2) are larger than those of the second pipe truss chord member (3);
the web members (4) are at least two, are arranged in the vertical direction and are fixedly connected with the pipe truss chord members (1);
a reinforcing rib (5) provided in the first pipe truss chord (2) and provided in the radial direction of the first pipe truss chord (2);
the second pipe truss chord member (3) passes through the first pipe truss chord member (2) and is fixedly connected with the reinforcing rib plate (5); the web member (4) is inserted into the first pipe truss chord member (2) and fixedly connected with the reinforcing rib plate (5);
the first pipe truss chord member (2) is provided with an inserting hole for inserting the second pipe truss chord member (3) and/or the web member (4);
the first pipe chord (2) includes: a connecting part (6) which is fixedly connected with the two sections by welding; the reinforcement rib plates (5) are fixed on the connecting surfaces of two adjacent connecting parts (6);
the first pipe truss chord member (2) is one; the number of the second pipe truss chords (3) is two, and the two second pipe truss chords are fixed on the first pipe truss chords (2) in a crossing manner; the first pipe truss chord member (2) and the second pipe truss chord member (3) form a rice-shaped structure;
the number of the web members (4) is 6.
2. The node connection structure of the complex pipe truss according to claim 1, wherein the reinforcing rib plate (5) is adapted to the shape of the inner cavity of the first pipe truss chord member (2), and the outer contour edge of the reinforcing rib plate (5) is fixedly connected with the inner cavity wall of the first pipe truss chord member (2) by welding.
3. The node connection structure of a complex pipe truss according to claim 1, wherein the pipe truss chord member (1) and the web member (4) are stay bars with circular cross sections, and the reinforcing rib plate (5) is a circular plate-shaped structure adapted to the shape of the pipe truss chord member (1).
4. The node connection structure of a complex pipe truss according to claim 1, wherein,
the pipe truss chord member (1), the web member (4) and the reinforcing rib plate (5) are welded and connected, and are prefabricated and processed in a factory to form a node connecting structure;
the extension part of the pipe truss chord member (1) is welded and fixed on the pipe truss chord member (1) of the node connecting structure at a construction site; and/or the number of the groups of groups,
the extension part of the web member (4) is welded and fixed on the web member (4) of the node connection structure at a construction site.
5. Node connection structure of a complex pipe truss according to claim 1, characterized in that the end of the web member (4) inserted into the first pipe truss chord (2) has a connection slope adapted to the shape of the stiffening rib (5).
6. A pipe truss system, comprising: the node connection structure of a complex pipe truss of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211704297.0A CN115807486B (en) | 2022-12-28 | 2022-12-28 | Node connection structure of complex pipe truss and pipe truss system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211704297.0A CN115807486B (en) | 2022-12-28 | 2022-12-28 | Node connection structure of complex pipe truss and pipe truss system |
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| Publication Number | Publication Date |
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| CN115807486A CN115807486A (en) | 2023-03-17 |
| CN115807486B true CN115807486B (en) | 2024-02-02 |
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| CN202211704297.0A Active CN115807486B (en) | 2022-12-28 | 2022-12-28 | Node connection structure of complex pipe truss and pipe truss system |
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| Publication number | Publication date |
|---|---|
| CN115807486A (en) | 2023-03-17 |
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