Connecting structure of H-shaped steel beam and finished rectangular steel pipe column

Abstract

The utility model relates to a connecting structure of an H-shaped steel beam and a finished rectangular steel pipe column, which comprises the rectangular steel pipe column, the H-shaped steel beam and a cantilever transition section, and the cantilever transition section comprises a transition section web and two transition section flange plates; rectangular holes matched with the rectangular steel pipe column are formed in the same ends of the two transition section flange plates, and the rectangular steel pipe column penetrates through the two rectangular holes and is connected with the transition section flange plates; the other ends of the two transition section flange plates are respectively connected with the two steel beam flange plates; the upper side and the lower side of the transition section web are connected with the two transition section flange plates correspondingly. The other end of the transition section web is connected with the steel beam web; the cantilever transition section is connected with the rectangular steel pipe column and the H-shaped steel beam, an inner partition plate does not need to be arranged in the finished rectangular steel pipe column, and therefore the steel pipe column does not need to be cut and segmented at the upper end and the lower end of the joint, welding workload is small, machining procedures are few, operability is high, and joint connection is reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of construction engineering, in particular to a connection structure of an H-shaped steel beam and a finished rectangular steel pipe column. Background Art

[0002] In my country, steel structure buildings are increasingly used, and the structural forms include steel frames, trusses, grids, etc. In conventional steel frames, H-shaped steel beams are used to connect rectangular steel pipe columns. The connection forms include bolt connection, welding, and bolt-weld combination connection.

[0003] At the node connection, an inner partition is usually added to the rectangular steel pipe steel column corresponding to the flange of the steel beam to ensure the effective transmission of force at the node and sufficient rigidity in the node area, so as to achieve an effective connection between the steel beam and the steel column. However, for the finished rectangular steel pipe column, if an inner partition is set in the column, the steel pipe column needs to be cut and segmented at the upper and lower ends of the node to form an open space, and the welding and assembly of the inner partition is cumbersome. Utility Model Content

[0004] Based on the above description, the utility model provides a connection structure between an H-shaped steel beam and a finished rectangular steel pipe column. The rectangular steel pipe column and the H-shaped steel beam are connected by setting a cantilever transition section. There is no need to set an internal partition in the finished rectangular steel pipe column. Therefore, there is no need to cut and segment the steel pipe column at the upper and lower ends of the node. The welding workload is small, the processing steps are small, the operability is strong, and the node connection is reliable.

[0005] The utility model solves the above technical problems with the following technical solutions: A connection structure between an H-shaped steel beam and a finished rectangular steel pipe column, comprising a rectangular steel pipe column and an H-shaped steel beam, wherein the H-shaped steel beam comprises two steel beam flange plates and a steel beam web connecting the two steel beam flange plates, and is characterized in that it also comprises a cantilever transition section, wherein the cantilever transition section comprises a transition section web and two transition section flange plates;

[0006] The two transition section flange plates are arranged in parallel, and the same end of the two transition section flange plates is provided with a rectangular hole matching the rectangular steel pipe column, the rectangular steel pipe column passes through the two rectangular holes and is connected to the transition section flange plates; the other ends of the two transition section flange plates are respectively connected to the two steel beam flange plates;

[0007] The transition section web is vertically arranged with respect to the transition section flange, and the upper and lower sides of the transition section web are respectively connected to the two transition section flanges; one end of the transition section web is connected to the rectangular steel pipe column, and the other end is connected to the steel beam web.

[0008] On the basis of the above technical solution, the present invention can also be improved as follows.

[0009] Furthermore, the cantilever transition section also includes a plurality of stiffening plates, which are respectively connected to the four corners of the rectangular steel pipe column, and the stiffening plates are vertically arranged to the transition section flange plates, and the upper and lower sides of the stiffening plates are respectively connected to two of the transition section flange plates.

[0010] Furthermore, two of the stiffening plates are connected to each of the four corners of the rectangular steel pipe column, and the two stiffening plates are respectively arranged on the extended surfaces of the two plate surfaces of the adjacent rectangular steel pipe columns.

[0011] Furthermore, the transition section flange plate includes a first part plate and a second part plate; the rectangular hole is arranged on the first part plate, and the rectangular hole and the side of the first part plate close to the H-shaped steel beam are flush; one end of the second part plate is connected to the side of the first part plate close to the H-shaped steel beam, and the other end is connected to the steel beam flange plate.

[0012] Furthermore, one end of the second part plate close to the first part plate has the same width as the first part plate, and one end of the second part plate close to the H-shaped steel beam has the same width as the steel beam flange plate.

[0013] Furthermore, the thickness of the transition section flange plate and the steel beam flange plate are equal, and the thickness and height of the transition section web plate and the steel beam web plate are equal.

[0014] Furthermore, splicing plates are provided on both sides of the connection between the transition section web and the steel beam web, and the splicing plates connect the transition section web and the steel beam web by bolts.

[0015] Furthermore, the transition section flange plate and the steel beam flange plate are connected by welding, and welding avoidance grooves are provided on both upper and lower sides of the connection between the transition section web plate and the steel beam web plate.

[0016] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0017] The utility model connects the rectangular steel pipe column and the H-shaped steel beam by arranging a cantilever transition section. There is no need to arrange an inner partition in the finished rectangular steel pipe column. Therefore, there is no need to cut and segment the steel pipe column at the upper and lower ends of the node. The welding workload is small, the processing steps are small, the operability is strong, and the node connection is reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of a structure of a connection structure between an H-shaped steel beam and a finished rectangular steel pipe column provided in an embodiment of the utility model;

[0019] Figure 2 A cross-sectional view of the connection structure in an embodiment of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of the cantilever transition section in the embodiment of the utility model;

[0021] Figure 4 It is a cross-sectional view of a cantilever transition section in an embodiment of the utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the transition section flange plate in the embodiment of the utility model;

[0023] Figure 6 This is a schematic diagram of the connection method between the cantilever transition section and the H-shaped steel beam in the embodiment of the utility model;

[0024] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0025] 1. Rectangular steel pipe column; 2. H-shaped steel beam; 21. Steel beam flange plate; 22. Steel beam web plate; 3. Cantilever transition section; 31. Transition section flange plate; 311. First part plate; 312. Rectangular hole; 313. Second part plate; 32. Transition section web plate; 33. Stiffening plate; 4. Splicing plate; 5. Welding avoidance groove. DETAILED DESCRIPTION

[0026] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0028] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0029] A connection structure between an H-shaped steel beam 2 and a finished rectangular steel pipe column 1, comprising a rectangular steel pipe column 1, an H-shaped steel beam 2 and a cantilever transition section 3, wherein the rectangular steel pipe column 1 is a square column, the H-shaped steel beam 2 comprises two steel beam flange plates 21 and a steel beam web 22 connecting the two steel beam flange plates 21, and the cantilever transition section 3 is used to vertically install the H-shaped steel beam 2 on one side of the rectangular steel pipe column 1.

[0030] Specifically, the cantilever transition section 3 includes a transition section web plate 32 , two transition section flange plates 31 and eight stiffening plates 33 .

[0031] The two transition section flange plates 31 each include a first part plate 311 and a second part plate 313. The first part plate 311 is provided with a rectangular hole 312, and the rectangular hole 312 extends to the side of the first part plate 311 close to the H-shaped steel beam 2, so that the rectangular hole 312 and the side of the first part plate 311 close to the H-shaped steel beam 2 are flush. One end of the second part plate 313 is connected to the side of the first part plate 311 close to the H-shaped steel beam 2, and the width of the second part plate 313 gradually decreases from the side close to the first part plate 311 to the side close to the H-shaped steel beam 2, so that the end of the second part plate 313 close to the first part plate 311 is equal to the width of the first part plate 311, and the end of the second part plate 313 close to the H-shaped steel beam 2 is equal to the width of the steel beam flange plate 21. The first part plate 311 and the second part plate 313 are both equal in thickness to the steel beam flange plate 21.

[0032] The length and width of the rectangular hole 312 are matched with the rectangular steel pipe column 1. The rectangular steel pipe column 1 passes through the two rectangular holes 312 and is connected to the two transition section flange plates 31 by welding.

[0033] The transition section web 32 is vertically arranged with the transition section flange plate 31, and the upper and lower sides of the transition section web 32 are respectively connected to the two transition section flange plates 31. One end of the transition section web 32 is connected to the rectangular steel pipe column 1, and the thickness and height of the transition section web 32 and the steel beam web 22 are equal.

[0034] Two stiffening plates 33 are connected to each of the four corners of the rectangular steel pipe column 1, and the two stiffening plates 33 are respectively arranged on the extended surfaces of the two plate surfaces of the adjacent rectangular steel pipe columns 1. The stiffening plates 33 are arranged vertically with the transition section flange plates 31, and the upper and lower sides of the stiffening plates 33 are respectively connected to the two transition section flange plates 31, so as to further strengthen the connection between the two transition section flange plates 31.

[0035] One end of the H-shaped steel beam 2 is connected to the end of the cantilever transition section 3 away from the rectangular steel pipe column 1 by bolt welding.

[0036] The steel beam web 22 is connected to the end of the transition section web 32. Specifically, splicing plates 4 are provided on both sides of the connection between the transition section web 32 and the steel beam web 22. The splicing plates 4 are connected to the transition section web 32 and the steel beam web 22 by bolts.

[0037] The two steel beam flange plates 21 are respectively connected to the ends of the two transition section flange plates 31. Specifically, the transition section flange plates 31 and the steel beam flange plates 21 are connected by welding, and welding avoidance grooves 5 are provided on the upper and lower sides of the connection between the transition section web plate 32 and the steel beam web plate 22.

[0038] For smaller steel frames or steel stairs, the steel columns are usually finished rectangular steel pipe columns with a cross-sectional size of about 150-400 mm. When such rectangular steel pipe columns 1 are connected to H-shaped steel beams 2, the connection method of the embodiment is suitable.

[0039] During specific processing and production, the detailed layout is first carried out, and the corresponding parts and plates are cut out in the factory. First, the first part plate 311 is embedded in the rectangular steel pipe column 1, and the two are welded to each other, and then the second part plate 313 is spliced ​​to form the upper transition section flange plate 31, and then the transition section web plate 32, the lower transition section flange plate 31 and the stiffening plate 33 are welded in sequence to form the cantilever transition section 3, and finally the H-shaped steel beam 2 is connected to the cantilever transition section 3.

[0040] In this embodiment, the rectangular steel pipe column 1 and the H-shaped steel beam 2 are connected by setting a cantilever transition section 3. There is no need to set an internal partition in the finished rectangular steel pipe column. Therefore, there is no need to cut and segment the finished rectangular steel pipe column at the upper and lower ends of the node. The welding workload is small, the processing steps are small, the operability is strong, and the node connection is reliable.

[0041] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A connection structure between an H-shaped steel beam and a finished rectangular steel pipe column, comprising a rectangular steel pipe column and an H-shaped steel beam, wherein the H-shaped steel beam comprises two steel beam flange plates and a steel beam web connecting the two steel beam flange plates, characterized in that: Also included is a cantilever transition section, the cantilever transition section including a transition section web plate and two transition section flange plates; The two transition section flange plates are arranged in parallel, and the same end of the two transition section flange plates is provided with a rectangular hole matching the rectangular steel pipe column, the rectangular steel pipe column passes through the two rectangular holes and is connected to the transition section flange plates; the other ends of the two transition section flange plates are respectively connected to the two steel beam flange plates; The transition section web is vertically arranged with respect to the transition section flange, and the upper and lower sides of the transition section web are respectively connected to the two transition section flanges; one end of the transition section web is connected to the rectangular steel pipe column, and the other end is connected to the steel beam web.

2. The connection structure of an H-shaped steel beam and a finished rectangular steel pipe column according to claim 1, characterized in that: The cantilever transition section also includes a plurality of stiffening plates, which are respectively connected to the four corners of the rectangular steel pipe column, and the stiffening plates are vertically arranged with the transition section flange plates, and the upper and lower sides of the stiffening plates are respectively connected to two of the transition section flange plates.

3. The connection structure of an H-shaped steel beam and a finished rectangular steel pipe column according to claim 2 is characterized in that: Two of the stiffening plates are connected to each of the four corners of the rectangular steel pipe column, and the two stiffening plates are respectively arranged on the extended surfaces of the two plate surfaces of the adjacent rectangular steel pipe columns.

4. The connection structure of an H-shaped steel beam and a finished rectangular steel pipe column according to claim 1, characterized in that: The transition section flange plate includes a first part plate and a second part plate; the rectangular hole is provided in the first part plate, and the rectangular hole and the first part plate are flush with one side close to the H-shaped steel beam; One end of the second part plate is connected to one side of the first part plate close to the H-shaped steel beam, and the other end is connected to the steel beam flange plate.

5. The connection structure of an H-shaped steel beam and a finished rectangular steel pipe column according to claim 4, characterized in that: One end of the second part plate close to the first part plate has the same width as the first part plate, and one end of the second part plate close to the H-shaped steel beam has the same width as the steel beam flange plate.

6. The connection structure of an H-shaped steel beam and a finished rectangular steel pipe column according to claim 1, characterized in that: The thickness of the transition section flange plate is equal to that of the steel beam flange plate, and the thickness and height of the transition section web plate are equal to that of the steel beam web plate.

7. The connection structure of an H-shaped steel beam and a finished rectangular steel pipe column according to claim 1, characterized in that: Splicing plates are provided on both sides of the connection between the transition section web and the steel beam web, and the splicing plates are connected to the transition section web and the steel beam web by bolts.

8. The connection structure of an H-shaped steel beam and a finished rectangular steel pipe column according to claim 1, characterized in that: The transition section flange plate and the steel beam flange plate are connected by welding, and welding avoidance grooves are arranged on both upper and lower sides of the connection between the transition section web plate and the steel beam web plate.

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