Tubular column joint structure

Abstract

The utility model discloses a tubular column node structure, and relates to the technical field of building structures, in particular to a tubular column node, which comprises a plurality of groups of circular pipes, and the end parts of the plurality of groups of circular pipes are converged at one point and are fixedly connected; the utility model discloses a tubular column node structure, which comprises a plurality of groups of round tubes, a plurality of groups of baffles, and a plurality of groups of baffles, the baffles are fixedly arranged in the symmetrical plane of the center lines of the two adjacent round tubes, the baffles are fixedly connected with the connected round tubes, and the plurality of groups of connected baffles are fixedly connected. The tubular column node structure has the advantages that the baffles are additionally arranged at the connected positions of the round tubes, so that the steel consumption is smaller than that of a steel casting; and meanwhile, the radial support of the tubular column at the node position can be effectively increased, the radial compression deformation of the tubular column is prevented, and the overall bearing performance is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building structures, and more specifically to a circular tube column node structure. Background Art

[0002] At present, steel structures are increasingly used in the field of building structures, and new requirements have been put forward for the economy, production efficiency and special use scenarios of components. In some public buildings and stadium structures, round steel pipe columns often bifurcate to form Y-shaped columns, and multiple steel pipe columns converge to form a radial node;

[0003] For this kind of Y-shaped column or radial node, there is no relatively light method for connecting the nodes, and cast steel is usually used. However, cast steel parts generally use a large amount of steel, have a high unit price, and a long production cycle, which is not conducive to their widespread use in the structural field.

[0004] Therefore, the use of a conventional circular tube column node method is more in line with the needs of engineering construction. Under the premise of ensuring the quality and safety of the structure, it can reduce the amount of steel used, lower the unit price of the structure, and speed up the production speed.

[0005] In summary, how to provide a circular tube column node structure to solve the current problem of lack of conventional node practices and provide convenience for engineering implementation is an urgent problem to be solved by technical personnel in this field. Utility Model Content

[0006] In view of this, the purpose of the utility model is to provide a circular tube column node. By adding a baffle plate at the connection position of the circular tubes, the amount of steel used is less than that of cast steel, and the operation is simple when connected with the circular tube column. At the same time, it can effectively increase the radial support of the circular tube column at the node position, prevent it from radial compression deformation, and effectively improve the overall load-bearing performance.

[0007] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0008] A circular tube column node structure, comprising:

[0009] Round tubes, the ends of several groups of round tubes converge at one point and are fixedly connected;

[0010] The baffle plate is fixedly arranged in the symmetric plane of the center lines of two adjacent circular tubes. The baffle plate is fixedly connected to the connected circular tubes, and several groups of connected baffle plates are fixedly connected.

[0011] Preferably, the edge of the baffle plate is located outside the wall of the circular tube where it is in contact with the baffle plate.

[0012] Preferably, an auxiliary support plate is provided inside the circular tube, the auxiliary support plate is coplanar with the center line of the circular tube, and the auxiliary support plate is fixedly connected to the baffle plate connected thereto.

[0013] Preferably, the auxiliary support plate is located in a common normal plane of several groups of the blocking plates connected thereto.

[0014] Preferably, the edge of the auxiliary support plate is located outside the tube wall where it is connected to the circular tube.

[0015] Preferably, a connecting piece is provided between two adjacent groups of the circular tubes, and the width of the connecting piece is not greater than the diameter of the circular tubes.

[0016] Preferably, the plane where the connecting piece is located is perpendicular to the symmetry plane of the center lines of the two groups of circular tubes connected by it.

[0017] Preferably, an auxiliary baffle is provided inside the circular tube;

[0018] The intersection line between the connecting piece and the circular tube and the intersection line between the auxiliary partition plate and the circular tube partially overlap.

[0019] Preferably, the auxiliary baffle inside the circular tube and the connecting piece outside the circular tube are coplanar;

[0020] Or the auxiliary partition inside the circular tube is perpendicular to the center line of the circular tube.

[0021] Preferably, the circular tubes are three groups of circular tubes with equal diameters, and the ends thereof converge into a Y shape, and a connector is provided between the two groups of circular tubes with the smallest angle.

[0022] Preferably, grouting holes for fluid flow are provided in the baffle plate.

[0023] Compared with the prior art, the circular tube column node structure provided by the utility model has at least the following beneficial effects:

[0024] 1. The ends of the circular tubes are connected by barrier plates. Compared with traditional steel castings, they are simple in form and can be made in a machine workshop. They have the advantages of small steel consumption and fast production, which helps to reduce the overall use cost of the steel structure.

[0025] 2. The baffle plate is arranged at the end face where the circular tubes intersect, which can provide radial support to the end face of the circular tube, avoid radial collapse deformation of the circular tube at the end face, and maintain the load-bearing performance of the circular tube at the node position. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0027] Figure 1 This is a structural schematic diagram of a specific embodiment 1 provided by the utility model;

[0028] Figure 2 This is a cross-sectional schematic diagram of the inner transverse baffle plate of the first specific embodiment provided by the utility model;

[0029] Figure 3 A top view of a specific embodiment 1 provided by the utility model;

[0030] Figure 4 This is a structural schematic diagram of a specific embodiment 2 provided by the present utility model.

[0031] In the figure: 1 circular tube, 101 first circular tube, 102 second circular tube, 103 third circular tube, 2 baffle plates, 201 horizontal baffle plates, 202 vertical baffle plates, 3 connecting pieces, 4 auxiliary support plates, 5 auxiliary baffle plates. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] The core of the utility model is to provide a circular tube column node structure. By adding a baffle plate at the joint position of the circular tubes, the amount of steel used is less than that of cast steel, which can effectively reduce the cost of use; and when connected to the circular tube column, the operation is simple. Compared with the traditional intersection line welding, plane welding is sufficient here, and the processing difficulty is low and easy to process; at the same time, it can effectively increase the radial support of the circular tube column at the node position, prevent it from radial compression deformation, and effectively improve the load-bearing performance at the node.

[0034] Please refer to Figure 1-Figure 4 The utility model specifically discloses a circular tube column node structure, including:

[0035] The ends of the circular tubes 1 are converged at one point and fixedly connected;

[0036] The baffle plate 2 is fixedly arranged in the symmetric plane of the center lines of two adjacent circular tubes 1. The baffle plate 2 is fixedly connected to the connected circular tubes 1, and several groups of connected baffle plates 2 are fixedly connected.

[0037] There is no limit on the number of converging circular tubes 1. In some embodiments, the circular tube column node structure is used at the dome, and no less than three groups of circular tubes 1 converge at the node; or in the vertical direction, the circular tube column bifurcates to form a Y-shaped structure node.

[0038] Taking a Y-shaped node as an example, it includes: a first circular tube 101 arranged vertically and serving as a main tube; a second circular tube 102 and a third circular tube 103 arranged obliquely and serving as branch tubes;

[0039] The center line of the first circular tube 101 is located on the extension line of the bisector of the angle between the center lines of the second circular tube 102 and the third circular tube 103;

[0040] It is worth noting that the present embodiment does not limit the diameter of the circular tube 1 , that is, there are differences in diameters between several groups of circular tubes 1 , or circular tubes 1 of equal diameter are used for production.

[0041] The ends of the three groups of circular tubes 1 converge at one point. If the diameters of the three groups of circular tubes 1 are equal, the plane where the intersection lines of adjacent circular tubes 1 are located is the plane where the baffle plate 2 is located. If the diameters of the three groups of circular tubes 1 are not equal, the symmetry plane of the center lines of two adjacent groups of circular tubes 1 is preferably used as the setting plane of the baffle plate 2. The baffle plates 2 connected to each other in the circular tube column node structure are fixedly connected, but the connection method is not limited, and welding or riveting is preferred.

[0042] Taking the node of the Y-shaped structure as an example, the baffle plate 2 between the second circular tube 102 and the third circular tube 103 and the first circular tube 101 is a transverse baffle plate 201, which is made of a bent steel plate, that is, the baffle plates 2 between the first circular tube 101 as the main tube and the other two groups of second circular tubes 102 and the third circular tube 103 as the branch tubes are an integrally formed transverse baffle plate 201, and the baffle plate 2 between the second circular tube 102 and the third circular tube 103 is a vertical baffle plate 202, and the transverse baffle plate 201 and the vertical baffle plate 202 are fixedly connected, preferably by welding or riveting;

[0043] After the two baffle plates 2 are fixedly connected, the connection between the tube wall at the end of the circular tube 1 and the baffle plate 2 is performed, preferably by welding; at the same time, a plug connector is provided on the surface of the baffle plate 2 for plugging into the inner wall at the end of the circular tube 1, which is also within the protection scope of this solution.

[0044] like Figure 1 As shown, the edge of the baffle plate 2 is outside the wall of the circular tube 1 it is connected to;

[0045] In some embodiments, the edge of the baffle plate 2 overlaps with the wall of the circular tube 1. During welding, the welding rod needs to be inserted into the interior of the circular tube 1 for welding. For circular tubes 1 with smaller diameters, it is more difficult to insert the welding rod into the interior of the circular tube 1 for welding. Therefore, in some embodiments, the area of ​​the baffle plate 2 is increased so that its edge is outside the wall of the circular tube 1, so that the operator can weld the baffle plate 2 and the circular tube 1 from the outside.

[0046] As shown Figure 1 and Figure 2 As shown, an auxiliary support plate 3 is arranged inside the circular tube 1, the auxiliary support plate 3 is coplanar with the center line of the circular tube 1, and the auxiliary support plate 3 is fixedly connected to the baffle plate 2 connected thereto;

[0047] In some embodiments, in order to further improve the bearing capacity of the node structure, an auxiliary support plate 3 is radially arranged inside the steel pipe 1. At the same time, in order to further enhance the role of the auxiliary support plate 3, the auxiliary support plate 3 is required to be coplanar with the center line of the circular pipe 1 where it is located, and the auxiliary support plate 3 is required to be fixedly connected to the baffle plate 2 connected thereto;

[0048] Taking the above-mentioned Y-shaped node structure as an example, an auxiliary support plate 3 is arranged inside the second steel tube 102 and the third steel tube 103, and the auxiliary support plate 3 is also welded to the transverse partition 201, the vertical partition 202 and the corresponding circular tube 1 by welding. When the second circular tube 102 and the third circular tube 103 are subjected to lateral force, the auxiliary support plate 3 can effectively suppress the second circular tube 102 and the third circular tube 103 from bending and shrinking deformation at the convergence point of the circular tube 1, thereby improving the load-bearing performance at the convergence point of the circular tube 1.

[0049] like Figure 2 As shown, the auxiliary support plate 3 is located in the common normal plane of the several groups of baffle plates 2 connected thereto.

[0050] Taking the above-mentioned Y-shaped node structure as an example, the auxiliary support plate 3 and the transverse partition 201 and the vertical partition 202 are all perpendicular; when the auxiliary support plate 3 is arranged, the verticality between the auxiliary support plate 3 and the transverse partition 201 and the vertical partition 202 is preferentially ensured, and then the auxiliary support plate 3 and the transverse partition 201, the auxiliary support plate 3 and the vertical partition 202 are welded respectively, and then the welding between the circular tube 1 and the auxiliary support plate 3, and the circular tube 1 and the baffle plate 2 is performed;

[0051] like Figure 3 As shown, two groups of auxiliary support plates 3 arranged perpendicular to the vertical partition 202 are arranged symmetrically about the vertical partition 202. The two groups of auxiliary support plates 3 and the vertical partition 202 form a cross-shaped frame to support the end of the circular tube 1 from multiple directions, so that the force is relatively more uniform, reducing the probability of the circular tube 1 collapsing and deforming in all directions at the convergence point of the circular tube 1.

[0052] Similarly, the edge of the auxiliary support plate 3 is outside the wall of the circular tube 1 to which it is connected, and its main function is also to improve the welding convenience of the auxiliary support plate 3 and the wall of the circular tube 1. Before fixing the auxiliary support plate 3, it is necessary to groove the end of the wall of the circular tube 1 and the corresponding position of the auxiliary support plate 3 to ensure that the auxiliary support plate 3 can penetrate the wall of the circular tube 1. Then, after assembly, the auxiliary support plate 3 and the wall of the circular tube 1 can be welded from the outside. The width of the edge of the auxiliary support plate 3 and the baffle plate 2 exceeding the wall of the circular tube 1 is mainly 5-15mm, which is sufficient to accommodate the molten medium generated by the melting of the welding rod, and a triangular weld is formed between the auxiliary support plate 3 or the baffle plate 2 and the wall of the circular tube 1, and its structural strength is greater than the weld between the two planes.

[0053] like Figure 1 and Figure 2 As shown, a connecting piece 4 is provided between two adjacent groups of round tubes 1 , and the width of the connecting piece 4 is not greater than the diameter of the round tube 1 .

[0054] Taking the above-mentioned Y-shaped node structure as an example, in addition to the vertical force, the second circular tube 102 and the third circular tube 103 will also bear the tensile force on both sides. The direction of the force does not overlap or is parallel to the center line of the corresponding circular tube 1, that is, the circular tube 1 will generate a torsional force at the convergence point, that is, the welds at different positions of the vertical partition 202 need to withstand forces of different magnitudes, among which the upper weld withstands a greater force than the lower weld. Due to the uneven force at each point, most of the force is concentrated on the upper weld, resulting in a reduction in the overall bearing capacity of the node structure. By adding the connecting member 4, the force on the upper weld is shared, thereby improving the overall bearing capacity of the node structure.

[0055] like Figure 1 As shown, the plane where the connecting member 4 is located is perpendicular to the symmetry plane of the center lines of the two groups of circular tubes 1 connected by it.

[0056] Taking the above-mentioned Y-shaped node structure as an example, when the top is under pressure, the second circular tube 102 and the third circular tube 103 bear the horizontal component of force, that is, the symmetry plane perpendicular to the center line of the second circular tube 102 and the third circular tube 103. Therefore, adding a horizontal connecting member 4 between the second circular tube 2 and the third circular tube 3 can effectively balance the horizontal component of force.

[0057] It is worth noting that the arrangement of the connector 4 is not required here. In some embodiments, the plane where the connector 4 is located is not coplanar with the axis of the circular tube 1 at both ends. Figure 1 The middle connector 4 is horizontally arranged, and the plane in which it is located is a horizontal plane. The intersection lines between its two ends and the second circular tube 102 and the third circular tube 103 are arcs. In other embodiments, the connector 4 is coplanar with the center lines of the circular tubes 1 at its two ends. At this time, the intersection lines between the connector 4 and the end circular tubes 1 are straight lines, and the welding difficulty is reduced. The above two arrangements are both within the protection scope of the present application.

[0058] An auxiliary partition 5 is provided inside the circular tube 1;

[0059] The intersection line between the connecting piece 4 and the circular tube 1 and the intersection line between the auxiliary partition plate 5 and the circular tube 1 partially overlap.

[0060] Although the addition of the connector 4 can balance the forces in opposite directions between the two groups of circular tubes 1, avoid force concentration at a single point of the weld, and improve the overall bearing capacity of the node structure, the connector 4 is only connected to the single-side wall of the circular tube 1. When the force at this point is large, the cross-section of the circular tube 1 at the connection with the connector 4 will undergo an elliptical deformation, and the bending resistance of the deformed circular tube 1 will decrease, that is, the overall bearing capacity of the node structure will decrease. Therefore, an auxiliary partition 5 is added to the circular tube 1 at the position connected to the connector 4 to transfer the force to the other side wall of the circular tube 1, so that the walls on both sides of the circular tube 1 are subjected to force at the same time, and the wall of the circular tube 1 is supported from the inside to avoid elliptical deformation. The purpose is also to further improve the overall bearing capacity of the node structure.

[0061] Meanwhile, when arranging the auxiliary baffle 5, there are various arrangements, such as the auxiliary baffle 5 inside the circular tube 1 and the external connecting piece 4 being coplanar;

[0062] Or the auxiliary partition plate 5 inside the circular tube 1 is perpendicular to the center line of the circular tube 1 .

[0063] like Figure 1 As shown, the plane where the connecting member 4 is located is perpendicular to the axis of the first circular tube 101. At this time, the auxiliary baffle 5 is coplanar with the connecting member 4. When the second circular tube 102 and the third circular tube 103 are subjected to the horizontal force component, the connecting member 4 applies the same magnitude of the reverse force. At this time, the reverse force is transmitted to the outer side of the wall of the circular tube 1 through the auxiliary baffle 5, that is, the walls on both sides of the second circular tube 102 and the third circular tube 103 share the horizontal force component at the same time, avoiding the horizontal force component from gathering at the contact position between the connecting member 4 and the circular tube 1. At the same time, the auxiliary baffle 5 supports the inside of the second circular tube 102 and the third circular tube 103 in the horizontal plane, ensuring that the radial dimensions of the inside of the circular tube 1 remain unchanged, that is, avoiding the elliptical deformation of the cross section of the circular tube 1.

[0064] In some other embodiments, Figure 4 As shown, the plane where the connecting member 4 is located is perpendicular to the center line of the first circular tube 101, and the auxiliary partition 5 is perpendicular to the center lines of the second circular tube 102 and the third circular tube 103. Its function is the same as in the previous embodiment and will not be repeated here. However, its own arrangement is fixed and is not affected by the arrangement of the external connecting member 4. If the connecting member 4 is arranged coplanar with the center lines of the second circular tube 102 and the third circular tube 103, its effect is the same.

[0065] In some embodiments, the circular tube 1 is composed of three groups of circular tubes 1 of equal diameter, and the ends thereof converge into a Y shape, and a connector 4 is disposed between the two groups of circular tubes 1 with the smallest angle; Figure 1 As shown, the Y-shaped node is preferably made of an equal-diameter circular tube 1, and the contact line between the baffle plate 2 and the circular tube 1 is the intersection line of the two groups of adjacent circular tubes 1, and the angles of the baffle plates 2 between the first circular tube 101 and the second circular tube 102, and between the first circular tube 101 and the third circular tube 103 are relatively large, close to 180°. Therefore, the two groups of baffle plates can be used after bending a piece of steel plate, reducing one group of welds and improving processing efficiency. In addition, the distance between the edge position of the baffle plate 2 and the outer wall of the circular tube 1 is equal, which improves the aesthetics.

[0066] The baffle plate 2 is provided with grouting holes for fluid flow.

[0067] In some embodiments, in order to further enhance the ability of the circular tube 1 in the node structure to resist elliptical deformation, grouting is required in the circular tube 1 to support the inner wall of the circular tube 1, and holes are drilled on the baffle plate 2 and the auxiliary baffle 5, that is, grouting holes are opened to facilitate grouting from the top, ensuring that the slurry can pass through the grouting holes through the end convergence point of the circular tube 1 and enter the circular tube 1 at the other end, thereby ensuring the density of the grouting in the circular tube 1.

[0068] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0069] The circular tube column node structure provided by the utility model is introduced in detail above. This article uses specific examples to illustrate the principle and implementation method of the utility model. The description of the above embodiment is only used to help understand the method and core idea of ​​the utility model. It should be pointed out that for ordinary technicians in this technical field, without departing from the principle of the utility model, the utility model can also be improved and modified, and these improvements and modifications also fall within the scope of protection of the claims of the utility model.

Claims

1. A circular tube column node structure, characterized in that: include: A circular tube (1), wherein the ends of a plurality of groups of the circular tubes (1) converge at one point and are fixedly connected; The baffle plate (2) is fixedly arranged in a symmetric plane of the center lines of two adjacent circular tubes (1); the baffle plate (2) is fixedly connected to the connected circular tube (1), and a plurality of groups of connected baffle plates (2) are fixedly connected.

2. The circular tube column node structure according to claim 1, characterized in that: The edge of the baffle plate (2) is located outside the wall of the circular tube (1) where it is in contact with the baffle plate (2).

3. The circular tube column node structure according to claim 1, characterized in that: An auxiliary support plate (3) is arranged inside the circular tube (1); the auxiliary support plate (3) is coplanar with the center line of the circular tube (1); and the auxiliary support plate (3) and the baffle plate (2) connected thereto are fixedly connected.

4. The circular tube column node structure according to claim 3, characterized in that: The auxiliary support plate (3) is located within the common normal plane of the plurality of groups of baffle plates (2) connected thereto.

5. The circular tube column node structure according to claim 3 or 4, characterized in that: The edge of the auxiliary support plate (3) is located outside the wall of the circular tube (1) where it is in contact with the wall.

6. The circular tube column node structure according to claim 1, characterized in that: A connecting piece (4) is provided between two adjacent groups of the circular tubes (1), and the width of the connecting piece (4) is not greater than the diameter of the circular tubes (1).

7. The circular tube column node structure according to claim 6, characterized in that: The plane on which the connecting piece (4) is located is perpendicular to the symmetry plane of the center lines of the two groups of circular tubes (1) connected by it.

8. The circular tube column node structure according to claim 6, characterized in that: An auxiliary partition plate (5) is arranged inside the circular tube (1); The intersection line between the connecting piece (4) and the circular tube (1) and the intersection line between the auxiliary partition plate (5) and the circular tube (1) partially overlap.

9. The circular tube column node structure according to claim 8, characterized in that: The auxiliary partition plate (5) inside the circular tube (1) and the connecting piece (4) outside the circular tube (1) are coplanar; Or the auxiliary partition plate (5) inside the circular tube (1) is perpendicular to the center line of the circular tube (1).

10. The circular tube column node structure according to claim 1, characterized in that: The circular tubes (1) are three groups of circular tubes (1) of equal diameter, and the ends thereof converge into a Y shape, and a connecting piece (4) is provided between the two groups of circular tubes (1) with the smallest included angle.

11. The circular tube column node structure according to claim 1, characterized in that: Grouting holes for fluid flow are arranged in the baffle plate (2).

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