An assembled steel beam

Abstract

The application discloses a combined steel beam and relates to the technical field of steel frame structures.The combined steel beam comprises a first support, a first connecting head arranged at one end of the first support, and a first pouring opening arranged at the top of the first connecting head; a second support, a second connecting head arranged at one end of the second support and corresponding to the first connecting head, and a second pouring opening arranged at the top of the second connecting head and corresponding to the first pouring opening; the first connecting head is sleeved in the second connecting head, and the first connecting head and the inside of the second connecting head form a pouring cavity, the first pouring opening and the second pouring opening are communicated with the pouring cavity; and a support column is arranged at the bottom of the second connecting head.In the application, the first connecting head is sleeved in the second connecting head, and the first support and the second support are stably assembled and connected by pouring concrete into the pouring cavity, so that the collapse caused by the bending deformation of the steel beam is prevented, and the safety and durability of the combined steel beam structure are improved.

Description

Technical Field

[0001] This invention relates to the field of steel beam structure technology, and more particularly to an assembled steel beam. Background Technology

[0002] For areas with large spans and heavy loads, the load-bearing structure generally adopts prestressed concrete beams, steel trusses, or composite steel beam structures formed by steel beams and composite floor slabs. Among these, composite steel beam structures are widely used due to their advantages such as high material utilization, small cross-sectional height, and convenient construction.

[0003] The existing prefabricated steel beams are not stable enough at the joints, and are prone to bending deformation or even collapse under the action of the floor slab, which seriously affects the safety and durability of the prefabricated steel beam structure. Summary of the Invention

[0004] To address the above shortcomings, this invention provides an assembled steel beam, which allows multiple steel beams to be assembled together in areas with large spans and heavy loads. This improves the stability of the assembled steel beam, prevents bending deformation, and enhances the safety and durability of the composite steel beam structure. The specific technical solution is as follows:

[0005] An assembled steel beam includes: a first support, one end of which is provided with a first connector, and the top of the first connector is provided with a first injection port; a second support, one end of which is provided with a second connector corresponding to the first connector, and the top of the second connector is provided with a second injection port corresponding to the first injection port; the first connector is sleeved inside the second connector, and the interiors of the first connector and the second connector form a casting cavity, the first injection port and the second injection port communicating with the casting cavity; and a support column, which is supported at the bottom of the second connector.

[0006] Preferably, both the first connector and the second connector are box structures with an opening on one side, and the opening of the second connector is larger than the opening of the first connector, with the first connector fitting into the opening of the second connector.

[0007] Preferably, the casting cavity is provided with a plurality of reinforcing rods, which are distributed on the inner side walls of the first connector and the second connector.

[0008] Preferably, the reinforcing rods located on the first connector box wall and the reinforcing rods located on the second connector box wall are spaced apart in the vertical direction.

[0009] Preferably, the reinforcing rod is a steel pipe with a notch.

[0010] Preferably, the percentage of the notch area of ​​the steel pipe to the total circumferential area of ​​the steel pipe is less than or equal to 1 / 2.

[0011] Preferably, several steel pipes are arranged in a circle and fixed on the inner wall of the first connector, with the notch of each steel pipe aligned with the center of the circle. Similarly, several steel pipes are arranged in a circle and fixed on the inner wall of the second connector, with the notch of each steel pipe aligned with the center of the circle.

[0012] Preferably, the top of the second connector and the periphery surrounding the first injection port are provided with an injection groove that communicates with the first injection port and the second injection port.

[0013] Preferably, the edge of the injection groove is smoothly inclined toward the first injection port.

[0014] Preferably, the bottom of the second connector is provided with a mounting groove, and the top of the support column abuts against the mounting groove.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] In this invention, the first connector is fitted inside the second connector, and then concrete is poured into the casting cavity to stably assemble and connect the first and second supports, preventing the steel beam from bending and deforming and causing collapse, thereby improving the safety and durability of the composite steel beam structure.

[0017] In this invention, by providing multiple reinforcing rods on the inner walls of the first connector and the second connector, the gripping force on the concrete at the connection point can be improved, and the first support can be better fixedly connected to the second support. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, the elements or parts are not necessarily drawn to scale.

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0020] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the steel pipe distribution structure in this invention.

[0022] 1-First support, 2-Second support, 3-Column, 4-First connector, 5-Second connector, 6-Pouring cavity, 7-Reinforcing rod, 8-Steel pipe, 9-Injection groove, 10-First injection port, 11-Support structure, 12-Installation groove, 13-Notch. Implementation

[0023] 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. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0024] In the description of this invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0025] In the description of this invention, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. Where the terms "first," "second," and "third" are used for descriptive purposes and to distinguish technical features, they should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the sequential relationship of the indicated technical features.

[0026] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances. Furthermore, the technical features involved in the different embodiments of this invention described below can be combined with each other as long as they do not conflict with each other.

[0027] Please participate Figures 1-3An assembled steel beam includes: a first support 1, one end of which is provided with a first connector 4, and the top of the first connector 4 is provided with a first injection port 10; a second support 2, one end of which is provided with a second connector 5 corresponding to the first connector 4, and the top of the second connector 5 is provided with a second injection port corresponding to the first injection port 10; the first connector 4 is sleeved inside the second connector 5, and the interiors of the first connector 4 and the second connector 5 form a casting cavity 6, the first injection port 10 and the second injection port communicating with the casting cavity 6; and a support column 3, which is supported on the bottom of the second connector 5.

[0028] In the above scheme, the first support 1 and the second support 2 are rectangular structures welded together by several steel bars. In other embodiments, they can be welded into different shapes. The first connector 4 is a box-shaped structure formed by welding steel plates, with an opening on the right side of one side and a closed, welded, and fixed end of the first support 1 on the left side of the other side. The second connector 5 is a box-shaped structure formed by welding steel plates, with an opening on the left side of one side and a closed, welded, and fixed end of the second support 2 on the right side of the other side. During assembly, the first connector 4 is fitted into the interior of the second connector 5 to form a pouring cavity 6. After the assembly is completed, concrete is poured into the first injection port 10 and flows into the pouring cavity 6 from the second injection port, completing the assembly of the first support 1 and the second support 2. The first support 1 and the second support 2 are then solidified together, and finally the bottom of the second connector 5 is supported by the column 3. It should also be noted that the first ends of the first support 1 and the second support 2 are fixed to other support structures 11 by the column 3 to complete the assembly of the large-span steel beam.

[0029] As a preferred embodiment, both the first connector 4 and the second connector 5 are box structures with an opening on one side, and the opening of the second connector 5 is larger than the opening of the first connector 4, with the first connector 4 fitting into the opening of the second connector 5.

[0030] As a preferred embodiment, the casting cavity 6 is provided with a plurality of reinforcing rods 7, which are distributed on the inner walls of the first connector 4 and the second connector 5. The reinforcing rods 7 have a good gripping force on the concrete in the casting cavity 6, which allows the first support 1 and the second support 2 to be better spliced ​​together, thereby improving the stability of the steel beam.

[0031] As a preferred embodiment, the reinforcing rods 7 located on the wall of the first connector 4 and the reinforcing rods 7 located on the wall of the second connector 5 are spaced apart in the vertical direction. The spaced-apart reinforcing rods 7 on the first connector 4 and the second connector 5 provide better gripping force after the concrete in the pouring cavity 6 has solidified, allowing the first support 1 and the second support 2 to be better spliced ​​together, thereby improving the stability of the steel beam.

[0032] As a preferred embodiment, the reinforcing rod 7 is a steel pipe 8 with a notch 13. The notch 13 is provided in the form of a partially opened steel pipe 8 (circumferential notch 13), which facilitates better filling of the steel pipe 8 when pouring concrete. The steel pipe 8 can replace the reinforcing steel as a load-bearing component to resist the external load at the opening in the later stage, meet the connection stability requirements of the connection between the first support 1 and the second support 2, and at the same time provide greater load-bearing capacity.

[0033] As a preferred embodiment, the area of ​​the notch 13 in the steel pipe 8 is less than or equal to 1 / 2 of the total circumferential area of ​​the steel pipe 8. This notch 13 provides better grip on the concrete, making the connection between the first support 1 and the second support 2 more stable and secure.

[0034] As a preferred embodiment, several steel pipes 8 are arranged in a circle and fixed to the inner wall of the first connector 4, with the notch 13 of each steel pipe 8 aligned with the center of the circle. Similarly, several steel pipes 8 are arranged in a circle and fixed to the inner wall of the second connector 5, with the notch 13 of each steel pipe 8 aligned with the center of the circle. This circular structure formed by the steel pipes 8 with notches 13 provides excellent grip on the concrete, making the connection between the first support 1 and the second support 2 more stable and preventing deformation of the steel beam.

[0035] As a preferred embodiment, the top of the second connector 5 and the periphery surrounding the first injection port 10 are provided with an injection groove 9 that communicates with both the first and second injection ports. The injection groove 9 can reinforce the closure of the first injection port 10, fix the first support 1 and the second support 2 together, and improve stability.

[0036] As a preferred embodiment, the edge of the grouting groove 9 is smoothly inclined toward the first grouting port 10. When pouring concrete into the pouring cavity 6, this helps to guide the concrete into the pouring cavity 6, thereby completing the fixed connection between the first support 1 and the second support 2.

[0037] As a preferred embodiment, the bottom of the second connector 5 is provided with a mounting groove 12, and the top end of the support column 3 abuts against the mounting groove 12. The mounting groove 12 can be properly engaged with the top end of the support column 3, which makes the assembled bracket more stable.

[0038] As a preferred embodiment, a sealing gasket is also provided at the joint between the first connector and the second connector.

[0039] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. An assembled steel beam, characterized in that, include: A first support (1), one end of which is provided with a first connector (4), and the top of the first connector (4) is provided with a first injection port (10); a second support (2), one end of which is provided with a second connector (5) corresponding to the first connector (4), and the top of the second connector (5) is provided with a second injection port corresponding to the first injection port (10); the first connector (4) is sleeved inside the second connector (5), and the interiors of the first connector (4) and the second connector (5) form a casting cavity (6), and the first injection port (10) and the second injection port are connected to the casting cavity (6); and a support column (3), which is supported at the bottom of the second connector (5); Both the first connector (4) and the second connector (5) are box structures with an opening on one side, and the opening of the second connector (5) is larger than the opening of the first connector (4). The first connector (4) is inserted into the opening of the second connector (5). The casting cavity (6) is provided with a number of reinforcing rods (7), which are distributed on the inner walls of the first connector (4) and the second connector (5); The reinforcing rod (7) located on the wall of the first connector (4) and the reinforcing rod (7) located on the wall of the second connector (5) are spaced apart in the vertical direction; The reinforcing rod (7) is a steel pipe (8) with a notch (13); The area of ​​the notch (13) of the steel pipe (8) is less than or equal to 1 / 2 of the total circumferential area of ​​the steel pipe (8); Several steel pipes (8) are arranged in a circle and fixed on the inner wall of the first connector (4), and the notch (13) of each steel pipe (8) is aligned with the center of the circle. Several steel pipes (8) are arranged in a circle and fixed on the inner wall of the second connector (5), and the notch (13) of each steel pipe (8) is aligned with the center of the circle.

2. The assembled steel beam according to claim 1, characterized in that, The top of the second connector (5) and the periphery surrounding the first injection port (10) are provided with an injection groove (9) that communicates with the first injection port (10) and the second injection port.

3. The assembled steel beam according to claim 2, characterized in that, The edge of the injection groove (9) is smoothly inclined toward the first injection port (10).

4. The assembled steel beam according to claim 1, characterized in that, The bottom of the second connector (5) is provided with a mounting groove (12), and the top of the support column (3) abuts against the mounting groove (12).

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