CN215858216U

CN215858216U - Modular crossed rectangular steel pipe joint

Info

Publication number: CN215858216U
Application number: CN202121726087.2U
Authority: CN
Inventors: 熊政超; 李宏胜; 陈晓强; 陈元坤
Original assignee: Central South Architectural Design Institute Co Ltd
Current assignee: Central South Architectural Design Institute Co Ltd
Priority date: 2021-07-28
Filing date: 2021-07-28
Publication date: 2022-02-18
Anticipated expiration: 2031-07-28

Abstract

The utility model discloses a modular crossed rectangular steel pipe node which comprises a plurality of rectangular pipes, connecting end plates and cover plates, wherein the end part of each rectangular pipe is provided with the connecting end plate, the connecting end plate is provided with a bolt hole, the two rectangular pipes penetrate through the corresponding connecting end plate through fasteners to fixedly connect the two rectangular pipes, and the upper end and the lower end of the connecting part of the rectangular pipes are both fixed with the cover plates. The modularized crossed rectangular steel pipe joint provided by the utility model can greatly reduce the processing difficulty of the component and shorten the manufacturing period of the component.

Description

Modular crossed rectangular steel pipe joint

Technical Field

The utility model relates to the technical field of building structures, in particular to a modular crossed rectangular steel pipe joint.

Background

With the continuous development of national economy, especially the rapid development of the construction industry in recent years, the construction industrialization has made great progress. The modularized steel structure is expected to become an important direction for the development of the future building industry due to the advantages of short production period, low cost, low labor intensity, high quality, environmental protection and the like. The modular steel structure building refers to a building which is divided into a plurality of modules and prefabricated in a factory, the inner space of each module is designed and decorated, and then the modules are transported to the site and assembled into a complete building through bolt connection.

The member node and the steel member are two important components of the steel structure, and the importance of node design is more obvious for the modularized steel structure. All components are connected into an integral structure through nodes in the steel structure, and the mechanical property and the modularization degree of the nodes of the steel structure directly influence the safety and the construction difficulty of the whole structure. Therefore, the node design is a very important link of the modularized steel structure. The traditional rectangular steel pipe cross joint mostly adopts a connection form of intersecting joints, a large number of stiffening plates can be formed in the joint form, the welding and processing of the stiffening plates in the closed component are very complicated, the welding missing condition often occurs, the detection of the quality of welding seams is also very difficult, and the field construction amount and the construction difficulty are both large. Therefore, it is very important to develop a crossed rectangular steel pipe joint which is convenient for modularization, high in adaptability, excellent in mechanical property and convenient for construction.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a modular crossed rectangular steel pipe joint, which aims to greatly reduce the processing difficulty of components and shorten the manufacturing period of the components.

In order to achieve the purpose, the utility model provides a modular crossed rectangular steel pipe node which comprises a plurality of rectangular pipes, connecting end plates and cover plates, wherein the end part of each rectangular pipe is provided with the connecting end plate, the connecting end plate is provided with a bolt hole, the two rectangular pipes penetrate through the corresponding connecting end plate through fasteners to fixedly connect the two rectangular pipes, and the upper end and the lower end of the connecting part of the rectangular pipes are both fixed with the cover plates.

Preferably, the end of each rectangular tube is provided with two connecting end plates.

Preferably, the two connecting end plates of the rectangular pipe end part are vertically arranged.

Preferably, the height of the connecting end plate is less than or equal to the height of the rectangular tube.

Preferably, the modular crossed rectangular steel pipe node further comprises an internal stiffening plate, and two ends of the internal stiffening plate are respectively connected with the connecting positions of the rectangular pipes and the two connecting end plates.

Preferably, the height of the inner stiffener is less than or equal to the height of the rectangular tube.

Preferably, the inner stiffening plate is welded to the rectangular tube.

Preferably, the area of the cover plate is larger than or equal to the area of a closed area formed by the enclosing of the inner stiffening plates of all the rectangular tubes.

Preferably, the cover plate is welded to a joint of the plurality of rectangular tubes.

Preferably, the connecting end plate is welded to the rectangular tube.

The modular crossed rectangular steel pipe joint provided by the utility model has the following beneficial effects.

1. The structure construction is convenient, and the manufacturing period is short. A large number of inner partition plates exist in a traditional rectangular steel pipe joint, the welding space is narrow, and construction is difficult. Each component link of this modularization cross rectangle steel pipe node is the same, and the modularization degree is high, and processing welding seam all goes on in the open space, has degraded the welding degree of difficulty, guarantees the node and accomplishes the quality. Secondly, before the cover plate is welded, all components are connected through high-strength bolts, construction is rapid and convenient, and the field construction period is greatly shortened.

2. The mechanical property of the node is good. Traditional modularization node all adopts the fastener to connect, compares in the welding, and the rigid connection of node is hardly realized to the fastener. The modularized crossed rectangular steel pipe nodes are mutually connected through the high-strength bolt member web plates, the web plates mainly bear shearing force, and the stress requirements of connection can be well met through connection of the fasteners; the cover plate is welded with the flange plate of the component, so that the mechanical requirement of the rigid connection node is better met. The bolt welding combination mode can better meet the rigid connection requirement of the node, the component plate transfers force directly, and the mechanical property of the node is excellent.

Drawings

FIG. 1 is an elevational view of a preferred embodiment of a modular cross rectangular steel tube node of the present invention;

FIG. 2 is a cutaway elevation view of a preferred embodiment of the modular cross rectangular steel pipe joint of the present invention;

FIG. 3 is an exploded elevational view of a preferred embodiment of the modular cross rectangular steel tube node of the present invention;

FIG. 4 is an elevational view of a single bar of a preferred embodiment of the modular cross rectangular steel tube node of the present invention;

figure 5 is a top view of a preferred embodiment of the modular cross rectangular steel tube node of the present invention.

In the figure, 1 is a rectangular pipe, 2 is an internal stiffening plate, 3 is a connecting end plate, 4 is a bolt hole, 5 is a high-strength bolt, and 6 is a cover plate.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 5, in the preferred embodiment, a modular crossed rectangular steel pipe node includes a plurality of rectangular pipes 1, a connecting end plate 3 and a cover plate 6, wherein the end portion of each rectangular pipe 1 is provided with the connecting end plate 3, the connecting end plate 3 is provided with a bolt hole 4, the two rectangular pipes 1 penetrate through the corresponding connecting end plate 3 through fasteners (high-strength bolts 5 are adopted in this embodiment) of the two rectangular pipes 1 to fixedly connect the two rectangular pipes 1, and the cover plate 6 is fixed at the upper end and the lower end of the joint of the plurality of rectangular pipes 1.

The connection side of the connection end plate 3 and the rectangular tubes 1 is flexibly arranged according to the number of the rectangular tubes 1. In the embodiment, four rectangular tubes 1 are connected into a whole, and at this time, two connecting end plates 3 are arranged at the end of each rectangular tube 1.

Further, referring to fig. 2 and 3, two connecting end plates 3 at the end of the rectangular pipe 1 are vertically arranged, so that on one hand, the modularization degree is high, the manufacturing difficulty of the modularized crossed rectangular steel pipe node can be reduced, and on the other hand, the stability of the whole structure can be improved.

In this embodiment, the height of the connecting end plate 3 is less than or equal to the height of the rectangular tube 1.

Further, referring to fig. 2, the modular crossed rectangular steel pipe node further includes an inner stiffening plate 2, and two ends of the inner stiffening plate 2 are connected to the joints of the rectangular pipe 1 and the two connecting end plates 3, respectively. Through the arrangement of the internal stiffening plates 2, the structural strength of the modularized crossed rectangular steel pipe joint is further improved.

The height of the inner stiffening plate 2 is less than or equal to that of the rectangular tube 1. The inner stiffening plate 2 is connected with the rectangular pipe 1 in a welding mode. The area of the cover plate 6 is larger than or equal to the area of a closed area enclosed by the inner stiffening plates 2 of all the rectangular tubes 1. The cover plate 6 is welded at the joint of the rectangular tubes 1. The connecting end plate 3 is welded with the rectangular pipe 1.

The manufacturing process of the modularized crossed rectangular steel pipe node is as follows.

Rectangular pipe 1 is processed in the mill, and inside stiffening plate 2 utilizes the machine to be connected through the welding seam with rectangular pipe 1 along the line of cut cutting shaping back, connects end plate 3 and becomes the pore-forming in advance according to the diameter of high strength bolt to utilize the machine to cut the shaping along the intersection line, weld into a whole with rectangular pipe 1 at last. After the components are manufactured, the components are transported to a construction site, the components are connected into a whole on the ground through high-strength bolts, the cover plate 6 is welded, and finally the tower and a crane are used for positioning and mounting in a segmented mode to complete construction of the whole structure.

The modular crossed rectangular steel pipe joint provided by the embodiment has the following beneficial effects.

1. The structure construction is convenient, and the manufacturing period is short. A large number of inner partition plates exist in a traditional rectangular steel pipe joint, the welding space is narrow, and construction is difficult. Each component link of this modularization cross rectangle steel pipe node is the same, and the modularization degree is high, and processing welding seam all goes on in the open space, has degraded the welding degree of difficulty, guarantees the node and accomplishes the quality. Secondly, before the cover plate 6 is welded, all components are connected through high-strength bolts, construction is rapid and convenient, and the field construction period is greatly shortened.

2. The mechanical property of the node is good. Traditional modularization node all adopts the fastener to connect, compares in the welding, and the rigid connection of node is hardly realized to the fastener. The modularized crossed rectangular steel pipe nodes are mutually connected through the high-strength bolt member web plates, the web plates mainly bear shearing force, and the stress requirements of connection can be well met through connection of the fasteners; the cover plate 6 is welded with the flange plate of the component, so that the mechanical requirement of a rigid connection node is better met. The bolt welding combination mode can better meet the rigid connection requirement of the node, the component plate transfers force directly, and the mechanical property of the node is excellent.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, are intended to be covered by the scope of the present invention.

Claims

1. The utility model provides a modularization alternately rectangle steel pipe node, its characterized in that includes many rectangular pipes, connects end plate and apron, and wherein, the tip of every rectangular pipe all is provided with the connection end plate, has seted up the bolt hole on the connection end plate, and two rectangular pipes pass its corresponding connection end plate through its fastener and with two rectangular pipe fixed connection, and the upper and lower both ends of the junction of many rectangular pipes all are fixed with the apron.

2. The modular cross rectangular steel tube node of claim 1, wherein the ends of each rectangular tube are provided with two connecting end plates.

3. The modular cross rectangular steel pipe node of claim 2, wherein the two connecting end plates of the rectangular pipe ends are vertically disposed.

4. The modular cross rectangular steel tube node of claim 1, wherein the height of said connecting end plate is less than or equal to the height of the rectangular tubes.

5. The modular cross rectangular steel tube node of claim 3, further comprising an inner stiffener plate, wherein both ends of the inner stiffener plate are connected to the junctions of the rectangular tubes and the two connecting end plates, respectively.

6. The modular cross rectangular steel tube node of claim 5, wherein the height of said inner stiffener is less than or equal to the height of the rectangular tube.

7. The modular cross rectangular steel tube node of claim 6, wherein said inner stiffener is welded to the rectangular tube.

8. The modular cross rectangular steel tube node of claim 7, wherein the cover plate has an area greater than or equal to the area of the enclosed area enclosed by the inner stiffeners of all rectangular tubes.

9. The modular cross rectangular steel tube node of claim 1, wherein said cover plate is welded to the junction of the plurality of rectangular tubes.

10. The modular intersection rectangular steel tube node of any one of claims 1 to 9, wherein said connecting end plates are welded to the rectangular tubes.