Composite three-dimensional tower crown steel structure connecting node

Abstract

The composite three-dimensional tower crown steel structure connecting joint comprises a supporting assembly, the supporting assembly comprises a steel pipe column, and a clamping opening is formed in the pipe wall of the upper end of the steel pipe column; the connecting assembly comprises a gusset plate and a plurality of connecting plates; the middle part of the gusset plate is inserted into the bayonet and is welded and fixed with the pipe wall of the steel pipe column; two ends of the gusset plate respectively extend outwards along the outer wall of the bayonet along the steel pipe column; one side end of each connecting plate is welded and fixed with the outer wall of the steel pipe column; the I-shaped beam assembly comprises a main beam and a plurality of auxiliary beams; one end of the girder is welded on the outer wall of the steel pipe column; and one ends of the secondary beams are screwed or welded with one ends, far away from the steel pipe column, of the connecting plates in a one-to-one correspondence manner. The steel pipe column serves as a core, the main beam and the auxiliary beam are directly welded and fixed to the steel pipe column, relative hinge joint between the auxiliary beam and the steel pipe column can be achieved through the connecting plates, stress is distributed through the gusset plates, and the advantages of being uniform in gusset area stress distribution, high in bearing capacity, high in space adaptability and the like are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of three-dimensional steel structure space nodes of tower crown in building structure, and more particularly to a composite three-dimensional tower crown steel structure connecting node. BACKGROUND

[0003] At present, in many steel structure projects, novel and peculiar styles are designed due to the pursuit of beautification and alienation. In order to meet the stress requirements, very complex and peculiar construction nodes are formed. In order to process and manufacture these complex structures and nodes, it brings great difficulty to our processing and manufacturing. It is imperative to improve the manufacturing efficiency of special-shaped components. Under this circumstance, the steel structure processing and manufacturing technology which can effectively guarantee the processing and manufacturing of steel structure components and improve the efficiency and shorten the construction period has great space for development.

[0004] The tower crown is usually the top structure of a building, which is usually set at a high position. The traditional tower crown steel structure node has problems of insufficient space stiffness, significant stress concentration and the like under three-dimensional complex load.

[0005] Therefore, how to provide a tower crown node structure which can realize uniform stress distribution in the tower crown node area, has high bearing capacity and strong space adaptability and the like, and meets the requirements of complex stress and efficient construction is a problem to be solved by those skilled in the art. SUMMARY

[0006] In view of this, the present application provides a composite three-dimensional tower crown steel structure connecting node, which aims to solve the above technical problems.

[0007] In order to achieve the above purpose, the present application adopts the following technical scheme:

[0008] A composite three-dimensional tower crown steel structure connecting node comprises:

[0009] A support assembly comprises a steel pipe column, and a bayonet is formed in the upper end wall of the steel pipe column;

[0010] A connecting assembly comprises a node plate and multiple connecting plates. The node plate is inserted into the bayonet and is welded and fixed to the steel pipe column. The two ends of the node plate extend outward along the outer wall of the steel pipe column opposite to the bayonet. One side end of the multiple connecting plates is welded and fixed to the outer wall of the steel pipe column.

[0011] A I-beam assembly comprises a main beam and multiple vice beams. One end of the main beam is welded to the outer wall of the steel pipe column. One end of the multiple vice beams is correspondingly screwed or welded to one end of the multiple connecting plates away from the steel pipe column.

[0012] The beneficial effects of the technical scheme of the present application are that the tower crown steel structure connecting joint takes a steel pipe column as the core, the main beam and the auxiliary beam are directly welded and fixed with the steel pipe column, the relative hinging between the auxiliary beam and the steel pipe column can be realized through the connecting plate, the stress is distributed by the joint plate, and the present application has the advantages of uniform stress distribution in the joint area, high bearing capacity and strong space adaptability.

[0013] Preferably, the support assembly further comprises two inclined bracing pipes, one end of each of the two inclined bracing pipes is welded and fixed with the two sides of the lower end of the joint plate. The two inclined bracing pipes form a triangular bracing system with the steel pipe column, which is more stable and has higher bearing capacity.

[0014] Preferably, the angle α between the axis of the inclined bracing pipe and the axis of the steel pipe column is 60°-90°.

[0015] Preferably, the two inclined bracing pipes are symmetrically arranged relative to the axis of the steel pipe column.

[0016] Preferably, the upper end of the inclined bracing pipe is provided with a bevel, and the lower end of the joint plate is inserted into the bevel and welded and fixed. The inclined bracing pipe and the connecting plate are welded in a full fusion bevel welding manner, which is simple to construct and reliable in connection.

[0017] Preferably, the connecting assembly further comprises a stiffening rib plate, the joint plate is provided with a clamping groove on the panel in the inner cavity of the steel pipe column, the panel of the stiffening rib plate is inserted into the clamping groove and both sides of the panel are welded and fixed with the inner wall of the steel pipe column, and the panel of the stiffening rib plate and the panel of the joint plate are arranged perpendicular to each other. The stiffening rib plate can support the joint plate on the steel pipe column, ensuring the strength and stability of the joint plate and having higher bearing capacity.

[0018] Preferably, the thickness of the panel of the joint plate, the connecting plate and the stiffening rib plate is not less than 2 cm.

[0019] Preferably, the number of the connecting plates is two, the two connecting plates are symmetrically arranged on the two sides of the main beam, and the angle β between the panel of the connecting plate and the panel of the web plate of the main beam is 30°-90°.

[0020] Preferably, the wall thickness of the steel pipe column is not less than 6 mm, which ensures the support performance of the steel pipe column.

[0021] Through the above technical scheme, compared with the prior art, the present application provides a composite three-dimensional tower crown steel structure connecting joint, which takes a steel pipe column as the core, combines a double-inclined bracing pipe and a multi-directional I-beam assembly, integrates a stiffening rib plate and a joint plate, has the advantages of uniform stress distribution in the joint area, high bearing capacity and strong space adaptability, and can meet the requirements of complex stress and efficient construction. BRIEF DESCRIPTION OF DRAWINGS

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the provided drawings without creative effort.

[0023] Fig. 1 This is a schematic diagram of the tower crown node structure provided by the present invention;

[0024] Fig. 2 This is a top view of the tower crown node provided by the present invention;

[0025] Fig. 3 This is a schematic diagram of the connection component structure provided by the present invention.

[0026] in,

[0027] 1-Supporting component; 11-Steel pipe column; 12-Diagonal bracing pipe;

[0028] 2-I-beam assembly; 21-Main beam; 22-Secondary beam;

[0029] 3-Connecting component; 31-Node plate; 32-Connecting plate; 33-Stiffening rib plate. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Participate in the attached Figs. 1-3 This invention discloses a composite three-dimensional tower crown steel structure connection node, comprising:

[0032] Support component 1, which includes a steel pipe column 11, with a slot provided on the upper end of the pipe wall of the steel pipe column 11;

[0033] The connecting component 3 includes a node plate 31 and multiple connecting plates 32; the node plate 31 is inserted into a bayonet in the middle and welded and fixed to the steel pipe column 11, and both ends of the node plate 31 extend outward along the outer wall of the steel pipe column 11 relative to its bayonet; one side of the multiple connecting plates 32 is welded and fixed to the outer wall of the steel pipe column 11.

[0034] The I-beam assembly 2 comprises a main beam 21 and a plurality of sub-beams 22; one end of the main beam 21 is welded to the outer wall of the steel pipe column 11; one end of each of the plurality of sub-beams 22 is screwed or welded to the end of the plurality of connecting plates 32 away from the steel pipe column 11.

[0035] As shown in Fig. 1 and 2 Two opposing chucks are arranged on the upper end of the steel pipe column, and the middle plate surface of the node plate is inserted into the chucks; the surface plate of the node plate is connected to the pipe wall opposite to the chucks of the steel pipe column by full penetration groove welding, which is more stable and effective.

[0036] The main beam and the two sub-beams are arranged in an orthogonal or inclined three-dimensional manner; one end of the upper and lower flange plates of the main beam is connected to the outer wall of the steel pipe column by full penetration ring welding; one end of the web plate of the main beam is connected to the outer wall of the steel pipe column by T-shaped continuous fillet welding; the connecting plate is welded to the outer wall of the steel pipe column by double-sided fillet welding; the web plate of the sub-beam is connected to the connecting plate by assembly high-strength bolts or fillet welding.

[0037] In order to further optimize the above technical solutions and ensure that the steel pipe column stably supports the connecting assembly and the I-beam assembly and has higher bearing capacity, the support assembly 1 further comprises two inclined support pipes 12, one end of each of the two inclined support pipes 12 is welded and fixed to the lower end of the two sides of the node plate 31. The two inclined support pipes 12 are symmetrically arranged relative to the axis of the steel pipe column 11.

[0038] The two inclined support pipes and the steel pipe column form a triangular support system, which is stable and has high bearing capacity.

[0039] In some other specific embodiments, the included angle α between the axis of the inclined support pipe 12 and the axis of the steel pipe column 11 is 60°-90°.

[0040] In this embodiment, a groove is formed in the upper end of the inclined support pipe 12, and the lower end of the node plate 31 is inserted into the groove and welded.

[0041] The inclined support pipe and the node plate are also connected by full penetration groove welding, and the inclined support pipe and the steel pipe column form a triangular support system through the node plate; by welding the inclined support pipe and the node plate, on the one hand, the stability of the node plate is ensured, and on the other hand, the inclined arrangement of the inclined support pipe and the vertical arrangement of the steel pipe column are effectively connected to form a stable support structure.

[0042] In order to further optimize the above technical scheme and improve the bearing capacity of the connecting assembly, the connecting assembly 3 further comprises a stiffened rib plate 33; the node plate 31 is provided with a clamping groove on the panel in the inner cavity of the steel pipe column 11, the panel of the stiffened rib plate 33 is inserted into the clamping groove and the two side ends thereof are welded and fixed with the inner wall of the steel pipe column 11; the panel of the stiffened rib plate 33 is arranged perpendicularly to the panel of the node plate 31.

[0043] As shown in Fig. 2 The stiffened rib plate and the node plate are arranged in cross arrangement on the panel in the inner cavity of the steel pipe column, and the stiffness and the bearing capacity of the node plate are improved by the stiffened rib plate.

[0044] In order to further optimize the above technical scheme, the thickness of the panel of the node plate 31, the connecting plate 32 and the stiffened rib plate 33 is not less than 2cm.

[0045] In order to further optimize the above technical scheme, the number of the connecting plates 32 is two, the two connecting plates 32 are symmetrically arranged on the two sides of the main beam 21, and the included angle β between the panel of the connecting plate 32 and the panel of the web of the main beam 21 is 30°-90°.

[0046] In order to further optimize the above technical scheme, the wall thickness of the steel pipe column 11 is not less than 6mm.

[0047] The embodiments in the specification are described in a progressive manner, and each embodiment focuses on the difference from other embodiments. The same and similar parts of each embodiment can be referred to each other. For the device disclosed in the embodiments, since it corresponds to the method disclosed in the embodiments, the description is relatively simple, and the related parts can be referred to the method part.

[0048] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to the embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A composite three-dimensional tower crown steel structure connection node, characterized in that, include: Support component (1), the support component (1) includes a steel pipe column (11), and a slot is provided on the upper end of the pipe wall of the steel pipe column (11); A connecting assembly (3) includes a node plate (31) and multiple connecting plates (32); the node plate (31) is inserted into the bayonet in the middle and welded to the wall of the steel pipe column (11); the two ends of the node plate (31) extend outward along the outer wall of the steel pipe column (11) relative to its bayonet; one side of the multiple connecting plates (32) is welded to the outer wall of the steel pipe column (11). The I-beam assembly (2) includes a main beam (21) and multiple secondary beams (22); one end of the main beam (21) is welded to the outer wall of the steel pipe column (11); one end of each of the multiple secondary beams (22) is screwed or welded to the end of the multiple connecting plates (32) away from the steel pipe column (11).

2. The composite three-dimensional tower crown steel structure connection node according to claim 1, characterized in that, The support assembly (1) also includes two diagonal bracing tubes (12), one end of each of the two diagonal bracing tubes (12) being welded and fixed to the two sides of the lower end of the node plate (31).

3. The composite three-dimensional tower crown steel structure connection node according to claim 2, characterized in that, The angle α between the axis of the inclined support tube (12) and the axis of the steel pipe column (11) is 60° to 90°.

4. The composite three-dimensional tower crown steel structure connection node according to claim 2, characterized in that, The two diagonal bracing pipes (12) are arranged symmetrically with respect to the axis of the steel pipe column (11).

5. A composite three-dimensional tower crown steel structure connection node according to claim 2, characterized in that, The upper end of the inclined support pipe (12) has a bevel, and the lower end of the node plate (31) is inserted into the bevel and welded to fix it.

6. The composite three-dimensional tower crown steel structure connection node according to claim 1, characterized in that, The connecting assembly (3) further includes a stiffening rib (33); the node plate (31) has a slot on the panel of the inner cavity of the steel pipe column (11), the plate surface of the stiffening rib (33) is inserted into the slot and both ends of the stiffening rib (33) are welded and fixed to the inner wall of the steel pipe column (11); the panel of the stiffening rib (33) and the panel of the node plate (31) are arranged perpendicular to each other.

7. A composite three-dimensional tower crown steel structure connection node according to claim 6, characterized in that, The thickness of the node plate (31), connecting plate (32) and stiffening rib plate (33) is not less than 2cm.

8. A composite three-dimensional tower crown steel structure connection node according to claim 1, characterized in that, The number of connecting plates (32) is two, and the two connecting plates (32) are symmetrical on both sides of the main beam (21). The included angle β between the plate surface of the connecting plate (32) and the plate surface of the web of the main beam (21) is 30° to 90°.

9. A composite three-dimensional tower crown steel structure connection node according to claim 1, characterized in that, The wall thickness of the steel pipe column (11) is not less than 6 mm.

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