Flange composite structure steel beam

Abstract

The utility model discloses a flange combined structure steel beam, which belongs to the technical field of steel beams and comprises longitudinally arranged I-shaped steel and transversely arranged I-shaped steel, the end part of the transversely arranged I-shaped steel is fixedly connected with a flange plate, and the end surface of the flange plate is attached to the side surface of the longitudinally arranged I-shaped steel. And two supporting mechanisms are arranged between the longitudinal I-shaped steel and the transverse I-shaped steel. According to the utility model, the two longitudinal support plates are inserted into the longitudinal through grooves in the flange plate and the longitudinal support grooves in the longitudinal I-shaped steel, and the two ends of the longitudinal support plates are respectively connected with the longitudinal I-shaped steel and the transverse I-shaped steel through the matching of the first fixing holes, the first bolt combinations and the first mounting holes; the weight of the end of the transversely-arranged I-shaped steel is directly transmitted to the longitudinally-arranged I-shaped steel through the longitudinal supporting plates, the supporting force of the bolts on the transversely-arranged I-shaped steel is effectively reduced, and the strength and stability of connection between the longitudinally-arranged I-shaped steel and the transversely-arranged I-shaped steel are guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel beam technical field more specifically, relate to a flange combination structure steel beam. BACKGROUND

[0002] The structural steel beam is a transverse component made of steel, mainly used for supporting and transferring load, and has the characteristics of light weight, high strength, convenient construction and good seismic performance, and is applied to various building structures, such as large workshops, venues, bridges, etc.

[0003] Through the search, the utility model patent with publication number CN222227551U discloses a steel structure steel beam connecting structure, which comprises mutually connected longitudinal I-beams and transverse I-beams, the longitudinal I-beams are provided with mounting plates and fixed pieces to form an I-shaped structure to accommodate the end surface structure of the transverse I-beams, and the transverse I-beams and the fixed pieces are connected and fixed on the mounting plates by bolts; the mounting plates, the fixed pieces and the embedded blocks are arranged to form a structure for accommodating the transverse I-beams, which are then fixed by bolts, thereby avoiding direct welding and facilitating disassembly and reuse of the overall structure in the later period. However, the above-mentioned patent still has the following disadvantages: when the longitudinal I-beams and the transverse I-beams are connected, the longitudinal I-beams directly or indirectly support the transverse I-beams through bolts, and all the supporting force of the transverse I-beams is provided by the bolts, which affects the supporting strength of the transverse I-beams. Therefore, we propose a flange combination structure steel beam. UTILITY MODEL CONTENTS

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a flange combination structure steel beam.

[0005] To solve the above problems, the utility model adopts the following technical scheme: a flange combination structure steel beam, comprising longitudinal I-beams and transverse I-beams, the end of the transverse I-beam is fixedly connected with a flange plate, the end surface of the flange plate is in close contact with the side surface of the longitudinal I-beam, two supporting mechanisms are arranged between the longitudinal I-beam and the transverse I-beam, two longitudinal supporting grooves are respectively arranged on the side of the longitudinal I-beam, two longitudinal through grooves are arranged on the flange plate, a plurality of first fixing holes are arranged on the inner side of the transverse I-beam and the longitudinal I-beam, a longitudinal supporting plate is sleeved in the inner cavity of the longitudinal through groove and the longitudinal supporting groove, a first mounting hole is arranged at both ends of the longitudinal supporting plate, the position of the first mounting hole is aligned with the position of the first fixing hole, a first bolt combination is sleeved in the inner cavity of the first fixing hole and the first mounting hole, a plurality of third fixing holes are arranged on the side of the longitudinal I-beam, a plurality of third mounting holes are arranged on the end surface of the flange plate, and a third bolt combination is sleeved in the inner side of the third fixing hole and the third mounting hole.

[0006] As a preferred scheme of the utility model, the support mechanism comprises a transverse slot formed in the side surface of the longitudinal I-shaped steel, and second fixing holes respectively formed in the bottom surface of the transverse I-shaped steel and the side surface of the longitudinal I-shaped steel, the inner cavity of the transverse slot is sleeved with an L-shaped support plate, second mounting holes are formed in the end and top of the L-shaped support plate, the inner side surface of one end of the L-shaped support plate is attached to the inner wall of the longitudinal I-shaped steel, the top surface of the L-shaped support plate is attached to the bottom surface of the transverse I-shaped steel, the positions of the second mounting holes are aligned with the positions of the second fixing holes, and the inner sides of the second fixing holes and the second mounting holes are sleeved with second bolt combinations.

[0007] As a preferred scheme of the utility model, the transverse I-shaped steel and the flange plate are fixedly connected with a plurality of triangular reinforcing blocks.

[0008] As a preferred scheme of the utility model, the side surfaces of the longitudinal support plates are attached to the inner walls of the longitudinal support slots and the transverse slot, the inner side surfaces of the longitudinal support plates are attached to the inner walls of the longitudinal I-shaped steel and the transverse I-shaped steel, and the top surface and the bottom surface of the longitudinal support plate are attached to the top surface and the bottom surface of the inner cavities of the transverse I-shaped steel, the longitudinal support slot and the transverse slot.

[0009] As a preferred scheme of the utility model, the inner wall of the transverse slot is attached to the side surface of the L-shaped support plate, and the top surface and the bottom surface of the inner cavity of the transverse slot are attached to the top surface and the bottom surface of one end of the L-shaped support plate.

[0010] As a preferred scheme of the utility model, the second bolt combination, the third bolt combination and the first bolt combination are all composed of a fastening nut and a high-strength bolt.

[0011] Compared with the prior art, the utility model has the advantages that in the utility model, the flange plate is welded on the end of the transverse I-shaped steel, the end of the transverse I-shaped steel is installed on the side of the top end of the longitudinal I-shaped steel through the cooperation of the third fixing hole, the third mounting hole and the third bolt combination, two longitudinal support plates are inserted into the longitudinal support slot on the longitudinal I-shaped steel and the longitudinal slot on the flange plate, the two ends of the longitudinal support plate are connected with the longitudinal I-shaped steel and the transverse I-shaped steel through the cooperation of the first fixing hole, the first bolt combination and the first mounting hole, the weight of the end of the transverse I-shaped steel is directly conducted to the longitudinal I-shaped steel through the longitudinal support plate, the support force of the bolt on the transverse I-shaped steel is effectively reduced, and the strength and stability of the connection between the longitudinal I-shaped steel and the transverse I-shaped steel are ensured.

[0012] In this invention, an L-shaped support plate is inserted into a transverse slot, and the top surface of the L-shaped support plate supports the transverse I-beam. In addition, the two ends of the L-shaped support plate are connected to the longitudinal I-beam and the transverse I-beam respectively through the combination of the second fixing hole, the second mounting hole and the second bolt. This allows the weight of the transverse I-beam to be directly transferred to the longitudinal I-beam through the L-shaped support plate, ensuring the strength of the support for the transverse I-beam and making it highly practical. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0014] Figure 2 This is an exploded view of the overall structure of this utility model;

[0015] Figure 3 This is a schematic diagram of the assembly of the longitudinally placed I-beams, transversely placed I-beams, longitudinal support plates, and L-shaped support plates of this utility model;

[0016] Figure 4 This is a schematic diagram of the longitudinally placed I-beam structure of this utility model;

[0017] Figure 5 This is a schematic diagram of the flange plate of this utility model;

[0018] Figure 6 This is a schematic diagram of the structure of the horizontally placed I-beam of this utility model;

[0019] Figure 7 This is a schematic diagram of the structure of the L-shaped support plate of this utility model.

[0020] The following are the labels in the diagram: 1. Longitudinal I-beam; 2. Transverse I-beam; 3. Flange plate; 4. Support mechanism; 5. Longitudinal support groove; 6. Longitudinal through groove; 7. Longitudinal support plate; 8. First fixing hole; 9. First mounting hole; 10. First bolt assembly; 11. Transverse through groove; 12. Second fixing hole; 13. L-shaped support plate; 14. Second mounting hole; 15. Second bolt assembly; 16. Third fixing hole; 17. Third mounting hole; 18. Third bolt assembly; 19. Triangular reinforcing block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0022] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0023] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example 1

[0024] Please see Figures 1-7 A flanged composite steel beam includes a longitudinal H-beam 1 and a transverse H-beam 2. A flange plate 3 is fixedly connected to the end of the transverse H-beam 2. The end face of the flange plate 3 fits against the side face of the longitudinal H-beam 1. Two support mechanisms 4 are provided between the longitudinal H-beam 1 and the transverse H-beam 2. Two longitudinal support grooves 5 are respectively opened on the side face of the longitudinal H-beam 1. Two longitudinal through grooves 6 are opened on the flange plate 3. Multiple first fixing holes 8 are opened on the inner sides of both the transverse H-beam 2 and the longitudinal H-beam 1. The inner cavity of the groove 6 and the longitudinal support groove 5 is fitted with a longitudinal support plate 7. Both ends of the longitudinal support plate 7 are provided with first mounting holes 9. The positions of the first mounting holes 9 and the first fixing holes 8 are aligned. The inner cavities of the first fixing holes 8 and the first mounting holes 9 are fitted with first bolt assemblies 10. The side of the longitudinal I-beam 1 is provided with multiple third fixing holes 16. The end face of the flange plate 3 is provided with multiple third mounting holes 17. The inner sides of the third fixing holes 16 and the third mounting holes 17 are fitted with third bolt assemblies 18.

[0025] In this embodiment, the longitudinal support groove 5 is machined by a milling machine, the first fixing hole 8 and the third fixing hole 16 are machined by a drilling machine, the first mounting hole 9 on the longitudinal support plate 7 together with the longitudinal support plate 7 are directly formed by laser cutting, and the longitudinal through groove 6 and the third mounting hole 17 on the flange plate 3 together with the flange plate 3 are also directly formed by laser cutting.

[0026] For details, please refer to Figure 1 , Figure 2 , Figure 3 andFigure 7 The support mechanism 4 includes a transverse through-slot 11 on the side of the longitudinal I-beam 1 and second fixing holes 12 respectively on the bottom surface of the transverse I-beam 2 and the side of the longitudinal I-beam 1. An L-shaped support plate 13 is fitted inside the transverse through-slot 11. Second mounting holes 14 are provided at the end and top of the L-shaped support plate 13. The inner side of one end of the L-shaped support plate 13 is in contact with the inner wall of the longitudinal I-beam 1, and the top surface of the L-shaped support plate 13 is in contact with the bottom surface of the transverse I-beam 2. The positions of the multiple second mounting holes 14 are aligned with the positions of the multiple second fixing holes 12. Second bolt assemblies 15 are fitted inside the second fixing holes 12 and the second mounting holes 14.

[0027] In this embodiment, the transverse slot 11 is machined by a milling machine, and the second fixing holes 12 on the longitudinal I-beam 1 and the transverse I-beam 2 are both machined by a drilling machine. The L-shaped support plate 13 can be formed by bending a straight plate or by directly using angle iron.

[0028] For details, please refer to Figure 2 Multiple triangular reinforcing blocks 19 are fixedly connected between the horizontally placed I-beam 2 and the flange plate 3.

[0029] In this embodiment, the welded flange 3 to the horizontal I-beam 2 is ensured by welding the triangular reinforcing block 19 between the horizontal I-beam 2 and the flange 3.

[0030] For details, please refer to Figures 1 to 5 The sides of the longitudinal support plate 7 are respectively attached to the inner walls of the longitudinal support groove 5 and the longitudinal through groove 6. The inner sides of the longitudinal support plate 7 are respectively attached to the inner walls of the longitudinal I-beam 1 and the transverse I-beam 2. The top and bottom surfaces of the longitudinal support plate 7 are respectively attached to the top and bottom surfaces of the inner cavities of the transverse I-beam 2, the longitudinal support groove 5 and the longitudinal through groove 6.

[0031] In this embodiment, the stability of the longitudinal support plate 7 inserted between the longitudinal support groove 5 and the longitudinal through groove 6 is ensured. In addition, the weight of the transverse I-beam 2 is ensured to be transferred to the longitudinal I-beam 1 through the flange plate 3 and the longitudinal support plate 7. The longitudinal support plate 7 enables the longitudinal I-beam 1 to effectively support the transverse I-beam 2.

[0032] For details, please refer to Figures 1 to 3 The inner wall of the transverse groove 11 is in contact with the side of the L-shaped support plate 13, and the top and bottom surfaces of the inner cavity of the transverse groove 11 are in contact with the top and bottom surfaces of one end of the L-shaped support plate 13, respectively.

[0033] In this embodiment, the stability of the L-shaped support plate 13 inserted into the inner cavity of the transverse through slot 11 is ensured, thereby ensuring the strength of the L-shaped support plate 13 in supporting the transverse I-beam 2.

[0034] For details, please refer toFigure 1 The second bolt assembly 15, the third bolt assembly 18, and the first bolt assembly 10 are all composed of fastening nuts and high-strength bolts.

[0035] In this embodiment, the outer diameter of the bolts in the first bolt assembly 10 is equal to the inner diameter of the first fixing hole 8 and the first mounting hole 9, respectively. The outer diameter of the bolts in the second bolt assembly 15 is equal to the inner diameter of the second fixing hole 12 and the second mounting hole 14, respectively. The outer diameter of the bolts in the third bolt assembly 18 is equal to the inner diameter of the third fixing hole 16 and the third mounting hole 17, respectively. This ensures the strength and stability of the connection between the second bolt assembly 15, the third bolt assembly 18, and the first bolt assembly 10 and the steel structure beam. In addition, spring washers, flat washers, etc. can be added to the second bolt assembly 15, the third bolt assembly 18, and the first bolt assembly 10 as needed.

[0036] Working principle: In use, firstly, weld the flange plate 3 to the end of the horizontal I-beam 2. Simultaneously, insert the two L-shaped support plates 13 into the two transverse through-grooves 11 on one side of the longitudinal I-beam 1, aligning the second fixing holes 12 on the side of the longitudinal I-beam 1 with the second mounting holes 14 at the ends of the L-shaped support plates 13. Install the second bolt assembly 15 into the second fixing holes 12 and the second mounting holes 14. Then, align the flange plate 3 at the end of the horizontal I-beam 2 with the side of the longitudinal I-beam 1, ensuring the bottom surface of the horizontal I-beam 2 and the top surface of the L-shaped support plate 13 are in contact. At this point, the second fixing holes 12 on the horizontal I-beam 2 and the second mounting holes 14 on the top surface of the L-shaped support plate 13 are aligned. Then, install other second bolt combinations 15 into the second mounting hole 14. At this time, the third fixing hole 16 on the side of the longitudinal I-beam 1 and the third mounting hole 17 at the end of the flange plate 3 are aligned. Install the third bolt combinations 18 into the multiple sets of third fixing holes 16 and third mounting holes 17. Finally, insert the two longitudinal support plates 7 into the longitudinal through groove 6 on the flange plate 3 and the longitudinal support groove 5 on the longitudinal I-beam 1, respectively, so that the first mounting holes 9 at both ends of the longitudinal support plates 7 are aligned with the first fixing holes 8 on the longitudinal I-beam 1 and the transverse I-beam 2, respectively. Install the first bolt combinations 10 into the multiple sets of aligned first fixing holes 8 and first mounting holes 9, thereby firmly connecting the transverse I-beam 2 and the longitudinal I-beam 1.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model based on the technical solution and its improved concept should be covered within the protection scope of the present utility model.

Claims

1. A flange-assembled steel beam, comprising longitudinally placed I-beams (1) and transversely placed I-beams (2), characterized in that: A flange plate (3) is fixedly connected to the end of the horizontal I-beam (2). The end face of the flange plate (3) is in contact with the side of the vertical I-beam (1). Two support mechanisms (4) are provided between the vertical I-beam (1) and the horizontal I-beam (2). Two longitudinal support grooves (5) are respectively opened on the side of the vertical I-beam (1). Two longitudinal through grooves (6) are opened on the flange plate (3). Multiple first fixing holes (8) are opened on the inner side of both the horizontal I-beam (2) and the vertical I-beam (1). The inner cavities of the longitudinal through grooves (6) and the longitudinal support grooves (5) are... A longitudinal support plate (7) is provided, and a first mounting hole (9) is provided at both ends of the longitudinal support plate (7). The positions of the first mounting hole (9) and the first fixing hole (8) are aligned. A first bolt assembly (10) is provided in the inner cavity of the first fixing hole (8) and the first mounting hole (9). A plurality of third fixing holes (16) are provided on the side of the longitudinal I-beam (1). A plurality of third mounting holes (17) are provided on the end face of the flange plate (3). A third bolt assembly (18) is provided in the inner side of the third fixing hole (16) and the third mounting hole (17).

2. The flange composite structure steel beam according to claim 1, characterized in that: The support mechanism (4) includes a transverse through-slot (11) on the side of the longitudinal I-beam (1) and second fixing holes (12) on the bottom surface of the transverse I-beam (2) and the side surface of the longitudinal I-beam (1). An L-shaped support plate (13) is fitted inside the transverse through-slot (11). The L-shaped support plate (13) has second mounting holes (14) at both the end and the top. The inner side of one end of the L-shaped support plate (13) is in contact with the inner wall of the longitudinal I-beam (1). The top surface of the L-shaped support plate (13) is in contact with the bottom surface of the transverse I-beam (2). The positions of the multiple second mounting holes (14) are aligned with the positions of the multiple second fixing holes (12). The inner sides of the second fixing holes (12) and the second mounting holes (14) are fitted with second bolt assemblies (15).

3. A flange composite structure steel beam according to claim 1, characterized in that: Multiple triangular reinforcing blocks (19) are fixedly connected between the horizontal I-beam (2) and the flange plate (3).

4. A flange composite structure steel beam according to claim 1, characterized in that: The sides of the longitudinal support plate (7) are respectively attached to the inner walls of the longitudinal support groove (5) and the longitudinal through groove (6), the inner sides of the longitudinal support plate (7) are respectively attached to the inner walls of the longitudinal I-beam (1) and the transverse I-beam (2), and the top and bottom surfaces of the longitudinal support plate (7) are respectively attached to the top and bottom surfaces of the inner cavities of the transverse I-beam (2), the longitudinal support groove (5) and the longitudinal through groove (6).

5. A flange composite structure steel beam according to claim 2, characterized in that: The inner wall of the transverse groove (11) is in contact with the side of the L-shaped support plate (13), and the top and bottom surfaces of the inner cavity of the transverse groove (11) are in contact with the top and bottom surfaces of one end of the L-shaped support plate (13), respectively.

6. A flange composite structure steel beam according to claim 2, characterized in that: The second bolt assembly (15), the third bolt assembly (18), and the first bolt assembly (10) are all composed of fastening nuts and high-strength bolts.

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