Connecting device for square steel tube and round steel tube

Abstract

The utility model relates to a connecting device for a square steel tube and a round steel tube, belongs to the field of constructional engineering, and solves the problems that in the prior art, the square steel tube is difficult to be connected with the round steel tube in a uniform-section mode, and the strength and shock resistance of a transition interval for connection of the square steel tube and the round steel tube are weak. The connecting device of the square steel tube and the round steel tube comprises a transition assembly, a reinforcing cross rib plate assembly and a bottom plate, one end of the bottom plate is connected with the round steel tube, and the other end of the bottom plate is connected with the square steel tube. The reinforcing cross rib plate assembly is arranged in the cavities of the round steel pipe and the square steel pipe; the transition assembly is arranged at the end, connected with the round steel pipe, of the bottom plate and wraps the round steel pipe. The square steel pipe and the round steel pipe can be connected under the condition that the size of the section is not changed, the strength and the shock resistance of the transition section are improved, and the square steel pipe and the round steel pipe can be widely applied to constructional engineering.

Description

Technical Field

[0001] The utility model relates to the field of construction engineering, in particular to a connecting device for a square steel pipe and a round steel pipe. Background Art

[0002] In construction projects, it is often necessary to connect square steel pipes with round steel pipes to meet the needs of the building structure.

[0003] In the existing technology, most construction projects require connecting square steel pipes with equal cross-sections with round steel pipes. However, the connection between square steel pipes and round steel pipes often adopts welding, casting and other methods, which makes it difficult to maintain the same cross-section of the square steel pipes when connected to the round steel pipes. The transition zone between the square steel pipes and the round steel pipes is relatively weak, and stress concentration is prone to occur at the connection, resulting in damage first, which in turn affects the stability of the entire structure, causing the building's bearing capacity and seismic resistance to be entangled, creating safety hazards. Utility Model Content

[0004] In view of the above analysis, the present invention aims to provide a connection device for square steel pipes and round steel pipes to solve the problems in the prior art, such as the difficulty in connecting square steel pipes with round steel pipes of equal cross-section, and the weak strength and seismic resistance of the transition zone between the square steel pipes and round steel pipes. The purpose of the present invention is mainly achieved through the following technical solutions:

[0005] A connecting device for a square steel pipe and a round steel pipe comprises a transition assembly, a reinforcing cross rib assembly and a bottom plate, wherein one end of the bottom plate is connected to the round steel pipe and the other end is connected to the square steel pipe, wherein the diameter of the round steel pipe is equal to the side length of the square steel pipe;

[0006] The reinforcing cross rib assembly is arranged in the cavity of the round steel tube and the square steel tube;

[0007] The transition component is arranged on one end of the bottom plate connected to the round steel pipe, and the transition component wraps the round steel pipe.

[0008] Furthermore, the transition assembly includes an outer steel pipe, and the outer steel pipe wraps the round steel pipe.

[0009] Furthermore, the connection surface formed by the outer steel pipe wrapping the round steel pipe on the bottom plate is the same as the connection surface between the square steel pipe and the bottom plate, and the center of the round steel pipe and the geometric center of the square steel pipe remain on the same straight line.

[0010] Furthermore, the transition assembly also includes a sealing plate, the outer steel pipe is a cavity structure, one end of the outer steel pipe is connected to the bottom plate, and the other end is connected to the sealing plate, and the sealing plate closes the cavity of the outer steel pipe.

[0011] Furthermore, it also includes a top plate, which is arranged in the round steel tube and connected to the inner wall of the round steel tube. The top plate can close the cavity of the round steel tube.

[0012] Furthermore, the top plate and the closing plate are coplanar.

[0013] Furthermore, the reinforced cross rib assembly includes a first cross rib and a second cross rib, the first cross rib is arranged in the cavity of the round steel tube, and the second cross rib is arranged in the cavity of the square steel tube.

[0014] Furthermore, one end of the square steel tube is connected to the bottom plate, and an end plate is provided on the other end, and the bottom plate and the end plate enclose the cavity of the square steel tube.

[0015] Furthermore, a first cross groove is provided on the end surface where the bottom plate is connected to the round steel pipe. The shape of the first cross groove matches the first cross rib. The first cross rib is inserted into the first cross groove and connected to the bottom plate.

[0016] Furthermore, a second cross groove is provided on the end surface where the bottom plate is connected to the square steel tube. The shape of the second cross groove matches the second cross rib. The second cross rib is inserted into the second cross groove and connected to the bottom plate.

[0017] The technical solution of this utility model can achieve at least one of the following effects:

[0018] (1) The connecting device of the square steel pipe and the round steel pipe of the utility model realizes the connection of the square steel pipe with equal cross-section and the round steel pipe by making the diameter of the round steel pipe equal to the side length of the square steel pipe, and realizes the connection of the square steel pipe and the round steel pipe without changing the cross-sectional size. It is suitable for the actual needs of construction projects and can be widely used in construction projects.

[0019] (2) The connecting device of the square steel pipe and the round steel pipe of the present invention improves the strength and seismic resistance of the transition zone where the square steel pipe and the round steel pipe are connected by arranging an outer steel pipe, a transition section and a first cross rib plate, thereby preventing the occurrence of weak points in the transition zone that may cause damage to the conversion structure and improving the safety and stability of the building structure.

[0020] (3) The connecting device of the square steel pipe and the round steel pipe of the utility model improves the rigidity of the square steel pipe and the round steel pipe by setting a reinforcing cross rib assembly, saves the use of steel, has a simple structure, can be used as a prefabricated building material after being manufactured in the factory, is easy to use, saves construction time, can improve the quality of the project, improve construction efficiency, and optimize the construction period. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are only used for the purpose of illustrating specific embodiments and are not to be considered as limiting the present invention. Throughout the accompanying drawings, the same reference symbols denote the same components.

[0022] Figure 1 This is a schematic diagram of the overall structure of the connection device between a square steel pipe and a round steel pipe of the present invention;

[0023] Figure 2 This is a schematic structural diagram of the transition assembly of the present invention;

[0024] Figure 3 This is a schematic structural diagram of the first cross groove of the utility model;

[0025] Figure 4 This is a schematic structural diagram of the second cross groove of the present invention;

[0026] Figure 5 This is a schematic structural diagram of the connection between the transition assembly and the round steel pipe of the present invention;

[0027] Figure 6 This is a schematic structural diagram of the square steel tube of the present invention.

[0028] Reference numerals:

[0029] 1-round steel pipe; 11-transition section; 12-extension section; 2-transition assembly; 21-outer steel pipe; 22-sealing plate; 3-reinforced cross rib assembly; 31-first cross rib; 32-second cross rib; 4-top plate; 5-bottom plate; 51-first cross groove; 52-second cross groove; 6-square steel pipe; 61-end plate. DETAILED DESCRIPTION

[0030] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, and are not used to limit the scope of the present invention.

[0031] A specific embodiment of the present invention discloses a connecting device for a square steel pipe and a round steel pipe, such as Figures 1 and 2 As shown, it includes a transition component 2, a reinforced cross rib component 3 and a base plate 5; one end of the base plate 5 is connected to the round steel tube 1, and the other end is connected to the square steel tube 6, and the diameter of the round steel tube 1 is equal to the side length of the square steel tube 6; the reinforced cross rib component 3 is connected to the base plate 5, and the reinforced cross rib component 3 is arranged in the cavity of the round steel tube 1 and the square steel tube 6. The reinforcement cross rib component 3 is arranged in the cavity of the round steel tube 1 and the square steel tube 6 to increase the strength and seismic resistance of the round steel tube 1 and the square steel tube 6; a transition component 2 is arranged on the end of the base plate 5 connected to the round steel tube 1, and the transition component 2 wraps the round steel tube 1, so that the strength of the transition interval where the round steel tube 1 and the square steel tube 6 are connected is increased.

[0032] Furthermore, if Figure 2 As shown, the round steel pipe 1 includes a transition section 11 and an extension section 12. One end of the transition section 11 is connected to the extension section 12, and the other end is connected to the base plate 5. The transition component 2 wraps the transition section 11, and the extension section 12 extends out from the transition component 2.

[0033] like Figures 1 and 2 As shown, the transition assembly 2 includes an outer steel pipe 21 and a sealing plate 22. The outer steel pipe 21 is a hollow structure. One end of the outer steel pipe 21 is connected to the bottom plate 5, and the other end is connected to the sealing plate 22. The sealing plate 22 seals the cavity of the outer steel pipe 21, and the outer steel pipe 21 wraps the transition section 11. Exemplarily, the outer steel pipe 21 is welded to the transition section 11, thereby increasing the rigidity of the transition section 11 through the outer steel pipe 21, increasing the strength and seismic resistance of the transition section where the square steel pipe 6 and the round steel pipe 1 are connected, preventing stress concentration from causing damage to the transition section where the square steel pipe 6 and the round steel pipe 1 are connected, and improving the safety and stability of the building structure.

[0034] The connection surface formed by the transition section 11 wrapped by the outer steel pipe 21 on the bottom plate 5 is the same as the connection surface between the square steel pipe 6 and the bottom plate 5. The center of the round steel pipe 1 and the geometric center of the square steel pipe 6 are kept on the same straight line, thereby achieving the connection of the square steel pipe 6 and the round steel pipe 1 with equal cross-sections.

[0035] like Figure 1 As shown, the reinforced cross rib assembly 3 includes a first cross rib 31, which is arranged on the end surface where the base plate 5 is connected to the round steel tube 1. The first cross rib 31 is arranged in the cavity of the round steel tube 1 to increase the stiffness and bearing capacity of the round steel tube 1, and can save the use of steel while ensuring the bearing capacity requirements.

[0036] Preferably, the length of the first cross rib 31 is the same as that of the transition section 11 , thereby preventing the first cross rib 31 from affecting the connection between the extension section 12 and other building structures.

[0037] The reinforcing cross-rib assembly 3 also includes a second cross-rib 32, which is disposed on the end surface where the base plate 5 connects to the square steel tube 6. The second cross-rib 32 is disposed within the cavity of the square steel tube 6 to increase the rigidity and load-bearing capacity of the square steel tube 6, thereby saving steel while ensuring the required load-bearing capacity. Preferably, the length of the second cross-rib 32 is the same as that of the square steel tube 6, thereby improving the strength and load-bearing capacity of the square steel tube 6.

[0038] Preferably, Figure 3As shown, a first cross groove 51 is provided on the end surface where the bottom plate 5 is connected to the round steel pipe 1. The shape of the first cross groove 51 matches the first cross rib 31. The first cross rib 31 is inserted into the first cross groove 51 and connected to the bottom plate 5, thereby fixing the position of the first cross rib 31 and preventing the first cross rib 31 from being offset.

[0039] Preferably, Figure 4 As shown, a second cross groove 52 is provided on the end surface where the bottom plate 5 is connected to the square steel tube 6. The shape of the second cross groove 52 matches the second cross rib 32. The second cross rib 32 is inserted into the second cross groove 52 and connected to the bottom plate 5, thereby fixing the position of the second cross rib 32 and preventing the second cross rib 32 from being offset.

[0040] like Figure 1 and Figure 5 As shown, the connecting device of the square steel tube and the round steel tube also includes a top plate 4, which is arranged in the round steel tube 1. The shape of the top plate 4 matches the inner wall of the round steel tube 1, and the top plate 4 is connected to the inner wall of the round steel tube 1. The top plate 4 can close the cavity of the round steel tube 1; the top plate 4 and the sealing plate 22 are coplanar, thereby enclosing the first cross rib 31 in the round steel tube 1, closing the cavity of the transition section 11, and preventing the first cross rib 31 from falling from the cavity of the round steel tube 1.

[0041] Preferably, a first positioning groove is provided on the top plate 4, and the shape of the first positioning groove matches the first cross rib 31. When the top plate 4 is connected to the round steel pipe 1, the first cross rib 31 is inserted into the first positioning groove, thereby fixing the position of the first cross rib 31 and fixing the first cross rib 31 in the cavity of the round steel pipe 1.

[0042] like Figure 1 and Figure 6 As shown, one end of the square steel tube 6 is connected to the bottom plate 5, and an end plate 61 is provided on the other end. The end plate 61 is connected to the square steel tube 6. The bottom plate 5 and the end plate 61 enclose the second cross rib 32 in the cavity of the square steel tube 6 to prevent the second cross rib 32 from falling from the cavity of the square steel tube 6.

[0043] Preferably, a second positioning groove is provided on the end plate 61, and the shape of the second positioning groove matches the second cross rib 32. When the end plate 61 is connected to the square steel tube 6, the second cross rib 32 is inserted into the second positioning groove, thereby fixing the position of the second cross rib 32 and fixing the second cross rib 32 in the cavity of the square steel tube 6.

[0044] It can be understood that by providing the outer steel pipe 21, the transition section 11 and the first cross rib 31, the stiffness of the transition interval connecting the square steel pipe 6 and the round steel pipe 1 is increased, thereby improving the strength and seismic resistance of the transition interval connecting the square steel pipe 6 and the round steel pipe 1; the combined effect of the outer steel pipe 21 and the transition section 11 makes the strength of the transition interval greater than the strength of the square steel pipe 6 and the round steel pipe 1, thereby improving the seismic resistance and stability of the connection device between the square steel pipe and the round steel pipe, preventing the occurrence of weak points in the transition interval that may cause damage to the conversion structure, improving the safety and stability of the building structure, and can be widely used in building structures.

[0045] Compared with the prior art, the connecting device of square steel pipe and round steel pipe of the present invention realizes the connection of square steel pipe 6 with equal cross-section to round steel pipe 1 by making the diameter of round steel pipe 1 equal to the side length of square steel pipe 6, and realizes the connection of square steel pipe 6 with round steel pipe 1 without changing the cross-sectional size, which is suitable for the actual needs of construction projects and can be widely used in construction projects; the connecting device of square steel pipe and round steel pipe of the present invention improves the strength and seismic resistance of the transition interval between the square steel pipe 6 and the round steel pipe 1 by arranging the outer steel pipe 21, the transition section 11 and the first cross rib 31, prevents the occurrence of weak points in the transition interval that cause damage to the conversion structure, and improves the safety and stability of the building structure; the connecting device of square steel pipe and round steel pipe of the present invention improves the rigidity of square steel pipe 6 and round steel pipe 1 by arranging the reinforced cross rib assembly 3, saves the use of steel, has a simple structure, can be used as prefabricated building materials after being manufactured in the factory, is easy to use, saves construction time, can improve project quality, improve construction efficiency, and optimize construction period.

[0046] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in the present invention should be covered by the protection scope of the present invention.

Claims

1. A connecting device for square steel pipe and round steel pipe, characterized in that: It comprises a transition assembly (2), a reinforcing cross rib assembly (3) and a bottom plate (5), one end of the bottom plate (5) is connected to a round steel tube (1), and the other end is connected to a square steel tube (6), and the diameter of the round steel tube (1) is equal to the side length of the square steel tube (6); The reinforcing cross rib assembly (3) is arranged in the cavity of the round steel tube (1) and the square steel tube (6); The transition component (2) is provided on one end of the bottom plate (5) connected to the round steel pipe (1), and the transition component (2) wraps the round steel pipe (1).

2. The connecting device of square steel pipe and round steel pipe according to claim 1, characterized in that: The transition assembly (2) comprises an outer steel pipe (21), and the outer steel pipe (21) wraps the round steel pipe (1).

3. The connecting device of square steel pipe and round steel pipe according to claim 2, characterized in that: The connection surface formed by the outer steel pipe (21) wrapping the round steel pipe (1) on the bottom plate (5) is the same as the connection surface between the square steel pipe (6) and the bottom plate (5), and the center of the round steel pipe (1) and the geometric center of the square steel pipe (6) are kept on the same straight line.

4. The connecting device of square steel pipe and round steel pipe according to claim 2, characterized in that: The transition assembly (2) further includes a sealing plate (22); the outer steel pipe (21) is a hollow structure; one end of the outer steel pipe (21) is connected to the bottom plate (5); and the other end is connected to the sealing plate (22); the sealing plate (22) closes the hollow cavity of the outer steel pipe (21).

5. The connecting device of square steel pipe and round steel pipe according to claim 4, characterized in that: It also includes a top plate (4), which is arranged in the round steel pipe (1), connected to the inner wall of the round steel pipe (1), and can close the cavity of the round steel pipe (1).

6. The connecting device of square steel pipe and round steel pipe according to claim 5, characterized in that: The top plate (4) and the sealing plate (22) are coplanar.

7. The connecting device of a square steel pipe and a round steel pipe according to any one of claims 1 to 6, characterized in that: The reinforced cross rib assembly (3) comprises a first cross rib (31) and a second cross rib (32), wherein the first cross rib (31) is arranged in the cavity of the round steel tube (1), and the second cross rib (32) is arranged in the cavity of the square steel tube (6).

8. The connecting device of square steel pipe and round steel pipe according to claim 7, characterized in that: One end of the square steel tube (6) is connected to the bottom plate (5), and an end plate (61) is provided on the other end. The bottom plate (5) and the end plate (61) close the cavity of the square steel tube (6).

9. The connecting device of square steel pipe and round steel pipe according to claim 7, characterized in that: A first cross groove (51) is provided on the end surface of the bottom plate (5) connected to the round steel pipe (1); the shape of the first cross groove (51) matches the shape of the first cross rib (31); the first cross rib (31) is inserted into the first cross groove (51) and connected to the bottom plate (5).

10. The connecting device of square steel pipe and round steel pipe according to claim 7, characterized in that: A second cross groove (52) is provided on the end surface where the bottom plate (5) is connected to the square steel tube (6); the shape of the second cross groove (52) matches the shape of the second cross rib (32); the second cross rib (32) is inserted into the second cross groove (52) and connected to the bottom plate (5).

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