Connecting piece of steel structure cross beam

Abstract

The utility model discloses a connecting piece of a steel structure cross beam, which is used for connecting a first H-shaped cross beam and a second H-shaped cross beam, the first H-shaped cross beam is vertically intersected with the second H-shaped cross beam, two sides of the first H-shaped cross beam are respectively provided with a first side edge and a second side edge, and the upper side of the second H-shaped cross beam is provided with a third side edge; a group of first connecting plates are fixed on the two sides of the first side edge and the third side edge; a group of second connecting plates are fixed on the two sides of the second side edge and the third side edge; a reinforcing fixing plate fixed to the third side edge is connected between the first connecting plate and the second connecting plate. A first fixing block is arranged between the first connecting plates, a second fixing block is arranged between the second connecting plates, and the first fixing block and the second fixing block are fixedly connected with the first H-shaped cross beam and the second H-shaped cross beam respectively. According to the utility model, the structural strength and stability of connection can be ensured, the load transmission path can be optimized, and the wind resistance and shock resistance of the structure can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel structure engineering, and particularly relates to a connecting piece for a steel structure cross beam. Background Technique

[0002] With the development of steel structure buildings towards higher, larger and more complex directions, the limitations of traditional connection methods have gradually emerged, especially the increasing requirements in aspects such as earthquake resistance, wind resistance and bearing capacity. In traditional steel structure buildings, the connection between cross beams is usually carried out by means of welding, bolting or riveting. Among them, although the welding method has high connection strength, the on-site construction conditions are limited, and there are problems such as welding stress and deformation; although the bolting and riveting methods are convenient for construction, the design and manufacture of connecting pieces have a great influence on the overall performance of the structure. Under the action of dynamic loads such as earthquakes and strong winds, traditional connection methods may not be able to provide sufficient ductility and energy dissipation capacity, resulting in premature failure of the structure and lack of stability. Content of the Utility Model

[0003] The purpose of the utility model is to provide a connecting piece for a steel structure cross beam. The utility model can ensure the structural strength and stability of the connection, and can optimize the load transfer path to improve the wind resistance and earthquake resistance of the structure.

[0004] The technical solution of the utility model: a connecting piece for a steel structure cross beam, used for connecting a first H-shaped cross beam and a second H-shaped cross beam, the first H-shaped cross beam and the second H-shaped cross beam are vertically intersected, the two sides of the first H-shaped cross beam respectively have a first side and a second side, and the upper side of the second H-shaped cross beam has a third side; a group of first connecting plates are fixed on both sides of the first side and the third side; a group of second connecting plates are fixed on both sides of the second side and the third side; a reinforcing fixing plate fixed to the third side is connected between the first connecting plate and the second connecting plate; a first fixing block is arranged between the first connecting plates, the upper end of the first fixing block is fixedly connected with the first side, and the lower end of the first fixing block is fixedly connected with the third side; a second fixing block is arranged between the second connecting plates, the upper end of the second fixing block is fixedly connected with the second side, and the lower end of the second fixing block is fixedly connected with the third side.

[0005] In the aforementioned connecting member of the steel structure cross beam, a number of first fixing hole groups are provided on the first side edge, a first connecting hole is provided at the upper front side of the first connecting plate, a first slot hole group matching the first connecting hole is provided at the upper end of the first fixing block, and the first slot hole group is fixedly connected to the first connecting hole and the first fixing hole group through bolts; a number of third fixing hole groups are provided on the third side edge, a third connecting hole is provided at the rear bottom side of the first connecting plate, a second slot hole group matching the third connecting hole is provided at the lower end of the first fixing block, and the second slot hole group is fixedly connected to the third connecting hole and the third fixing hole group through bolts. In the aforementioned connecting member of the steel structure cross beam, the second connecting plate includes a number of second fixing hole groups provided on the second side edge, a fifth connecting hole is provided at the upper front side of the second connecting plate, a third slot hole group matching the fifth connecting hole is provided at the upper end of the second fixing block, and the third slot hole group is fixedly connected to the fifth connecting hole and the second fixing hole group through bolts; a seventh connecting hole is provided at the rear bottom side of the second connecting plate, a fourth slot hole group matching the seventh connecting hole is provided at the lower end of the second fixing block, and the fourth slot hole group is fixedly connected to the seventh connecting hole and the third fixing hole group through bolts.

[0006] In the aforementioned connecting member of the steel structure cross beam, a number of second fixing hole groups are provided on the second side edge, a fifth connecting hole is provided at the upper front side of the second connecting plate, a third slot hole group matching the fifth connecting hole is provided at the upper end of the second fixing block, and the third slot hole group is fixedly connected to the fifth connecting hole and the second fixing hole group through bolts; a seventh connecting hole is provided at the rear bottom side of the second connecting plate, a fourth slot hole group matching the seventh connecting hole is provided at the lower end of the second fixing block, and the fourth slot hole group is fixedly connected to the seventh connecting hole and the third fixing hole group through bolts.

[0007] In the aforementioned connecting member of the steel structure cross beam, a sixth connecting hole is provided at the lower front side of the second connecting plate, and the sixth connecting hole is connected to the second fixing hole group through bolts; an eighth connecting hole is provided at the front bottom side of the second connecting plate, and the eighth connecting hole is connected to the third fixing hole group through bolts.

[0008] In the aforementioned connecting member of the steel structure cross beam, the reinforcing fixing plate is arranged on the lower side surface of the third side edge, and a ninth connecting hole for bolt fixing with the third fixing hole group is provided on the reinforcing fixing plate.

[0009] In the aforementioned connecting member of the steel structure cross beam, a first sliding groove is provided on the side of the first connecting plate, and a first sliding rod fixing bolt matching the first sliding groove is arranged through the side surface of the first fixing block.

[0010] In the aforementioned connecting member of the steel structure cross beam, a second sliding groove is provided on the side of the second connecting plate, and a second sliding rod fixing bolt matching the second sliding groove is arranged through the side surface of the second fixing block.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. Through the combined use of the first connecting plate, the second connecting plate, the strengthening fixing plate, the first fixing block and the second fixing block, the connecting piece can effectively enhance the connection stability between two H-shaped crossbeams, ensuring the overall strength and safety of the structure. The utility model is reasonably designed, can optimize the load transfer path, ensure uniform load distribution, reduce stress concentration, improve the wind resistance and seismic resistance of the structure, and extend the service life of the steel structure building. Through the arrangement of the first fixing block and the second fixing block, under the action of dynamic loads such as earthquakes, the connecting piece can provide sufficient ductility and energy dissipation capacity, effectively reduce the vibration response of the structure, avoid premature failure of the structure, and enhance the seismic performance of the building.

[0013] 2. The layout of the connection holes, the design of the chute and the slot hole group of the utility model enable the connecting piece to have a certain adjustment space during installation, can adapt to H-shaped crossbeams of different sizes, and improve the flexibility of installation and the adaptability of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view of the utility model;

[0015] Figure 2 is a schematic diagram of the first H-shaped crossbeam and the second H-shaped crossbeam of the utility model;

[0016] Figure 3 is the half-sectional view of the utility model;

[0017] Figure 4 is the right side view of the utility model;

[0018] Figure 5 is the bottom view of the utility model;

[0019] Figure 6 is the left side view of the utility model.

[0020] The reference numerals in the drawings are: 1, the first H-shaped cross beam; 2, the second H-shaped cross beam; 3, the first side; 4, the second side; 5, the third side; 6, the first connecting plate; 7, the second connecting plate; 8, the reinforcing fixing plate; 9, the first fixing block; 10, the second fixing block; 11, the first connecting hole; 12, the second connecting hole; 13, the third connecting hole; 14, the fourth connecting hole; 15, the fifth connecting hole; 16, the sixth connecting hole; 17, the seventh connecting hole; 18, the eighth connecting hole; 19, the ninth connecting hole; 20, the first sliding groove; 21, the second sliding groove; 22, the first fixing hole group; 23, the second fixing hole group; 24, the third fixing hole group; 25, the first slot hole group; 26, the second slot hole group; 27, the third slot hole group; 28, the fourth slot hole group; 29, the first slide bar fixing bolt; 30, the second slide bar fixing bolt. Detailed implementation manners

[0021] The present utility model will be further described below in conjunction with the drawings and embodiments, but it shall not be used as a basis for limiting the present utility model.

[0022] Embodiment: A connecting member for a steel structure cross beam, the structure is as Figure 1-6 shown, and is used to connect the first H-shaped cross beam 1 and the second H-shaped cross beam 2. The first H-shaped cross beam 1 and the second H-shaped cross beam 2 are vertically intersected. The two sides of the first H-shaped cross beam 1 are respectively provided with a first side 3 and a second side 4, and the upper side of the second H-shaped cross beam 2 is provided with a third side 5. As Figure 1 shown, a group of first connecting plates 6 are fixed on both sides of the first side 3 and the third side 5.

[0023] As Figure 6 shown, a first fixing block 9 is arranged between the first connecting plates 6. The upper end of the first fixing block 9 is fixedly connected with the first side 3, and the lower end of the first fixing block 9 is fixedly connected with the third side 5.

[0024] As Figure 2 shown, two groups of first fixing hole groups 22 are arranged on the first side 3. The upper front side of the first connecting plate 6 is provided with a first connecting hole 11. The upper end of the first fixing block 9 is provided with a first slot hole group 25 that cooperates with the first connecting hole 11. The first slot hole group 25 is fixedly connected with the first connecting hole 11 and the first fixing hole group 22 through bolts. Five groups of third fixing hole groups 24 are arranged on the third side 5. The bottom rear side of the first connecting plate 6 is provided with a third connecting hole 13. The lower end of the first fixing block 9 is provided with a second slot hole group 26 that cooperates with the third connecting hole 13. The second slot hole group 26 is fixedly connected with the third connecting hole 13 and the third fixing hole group 24 through bolts.

[0025] A first sliding groove 20 is arranged on the side of the first connecting plate 6, and a first slide bar fixing bolt 29 that cooperates with the first sliding groove 20 is inserted through the side of the first fixing block 9.

[0026] Preferably, a second connection hole 12 is provided at the lower front side of the first connection plate 6, and the second connection hole 12 is connected to the first fixing hole group 22 by a bolt. A fourth connection hole 14 is provided at the front bottom side of the first connection plate 6, and the fourth connection hole 14 is connected to the third fixing hole group 24 by a bolt.

[0027] As Figure 5 shown, a group of second connection plates 7 are fixed on both sides of the second side 4 and the third side 5.

[0028] As Figure 3 and Figure 4 shown, a second fixing block 10 is arranged between the second connection plates 7. The upper end of the second fixing block 10 is fixedly connected to the second side 4, and the lower end of the second fixing block 10 is fixedly connected to the third side 5.

[0029] Two groups of second fixing hole groups 23 are provided on the second side 4. A fifth connection hole 15 is provided at the upper front side of the second connection plate 7. A third slot hole group 27 that cooperates with the fifth connection hole 15 is provided at the upper end of the second fixing block 10. The third slot hole group 27 is fixedly connected to the fifth connection hole 15 and the second fixing hole group 23 by bolts. A seventh connection hole 17 is provided at the rear bottom side of the second connection plate 7. A fourth slot hole group 28 that cooperates with the seventh connection hole 17 is provided at the lower end of the second fixing block 10. The fourth slot hole group 28 is fixedly connected to the seventh connection hole 17 and the third fixing hole group 24 by bolts.

[0030] A second sliding groove 21 is provided on the side of the second connection plate 7, and a second sliding rod fixing bolt 30 that cooperates with the second sliding groove 21 is inserted through the side of the second fixing block 10.

[0031] Preferably, a sixth connection hole 16 is provided at the lower front side of the second connection plate 7, and the sixth connection hole 16 is connected to the second fixing hole group 23 by a bolt. An eighth connection hole 18 is provided at the front bottom side of the second connection plate 7, and the eighth connection hole 18 is connected to the third fixing hole group 24 by a bolt.

[0032] A reinforcing fixing plate 8 fixed to the third side 5 is connected between the first connection plate 6 and the second connection plate 7. The reinforcing fixing plate 8 is arranged on the lower side surface of the third side 5, and a ninth connection hole 19 for bolt fixing with the third fixing hole group 24 is provided on the reinforcing fixing plate 8.

[0033] Through the combined use of the first connecting plate 6, the second connecting plate 7, the strengthening fixing plate 8, the first fixing block 9 and the second fixing block 10, this connecting piece can effectively enhance the connection stability between two H-shaped crossbeams, ensuring the overall strength and safety of the structure. This connecting piece is reasonably designed, can optimize the load transfer path, ensure uniform load distribution, reduce stress concentration, improve the wind resistance and seismic resistance of the structure, and extend the service life of steel structure buildings. Through the settings of the first fixing block 9 and the second fixing block 10, under dynamic loads such as earthquakes, this connecting piece can provide sufficient ductility and energy dissipation capacity, effectively reduce the vibration response of the structure, avoid premature failure of the structure, and enhance the seismic performance of the building. The layout of the connection holes, the design of the sliding groove and the groove hole group of this connecting piece enable the connecting piece to have a certain adjustment space during installation, can adapt to H-shaped crossbeams of different sizes, and improve the flexibility of installation and the adaptability of the structure.

[0034] Installation process

[0035] First, place the first H-shaped crossbeam 1 and the second H-shaped crossbeam 2 at the predetermined positions to ensure that the two crossbeams intersect vertically. Pre-assemble a set of the first connecting plate 6 and the second connecting plate 7 to the sides of the corresponding crossbeams. Align the second connection hole 12, the fourth connection hole 14, the sixth connection hole 16 and the eighth connection hole 18 with the fixing hole group on the corresponding side, and align the ninth connection hole 19 with the third fixing hole group 24. Use bolts to connect the first connecting plate 6, the second connecting plate 7 and the strengthening fixing plate 8 to the first side 3, the second side 4 and the third side 5 of the crossbeam.

[0036] Place the first fixing block 9 between the first connecting plates 6, pass the bolts through the first connection hole 11 and the first fixing hole group 22, and pre-assemble while aligning with the first groove hole group 25; pass the bolts through the third connection hole 13 and the third fixing hole group 24, and pre-assemble while aligning with the second groove hole group 26. The first slide bar fixing bolt 29 penetrated through the side of the first fixing block 9 slides through the first sliding groove 20. After sliding the first fixing block 9 until both sides are tightly attached to the first side 3 and the third side 5, fix the first slide bar fixing bolt 29, the first groove hole group 25 and the second groove hole group 26.

[0037] Place the second fixing block 10 between the second connecting plates 7, pass the bolts through the fifth connection hole 15 and the second fixing hole group 23, and pre-assemble while aligning with the third groove hole group 27; pass the bolts through the seventh connection hole 17 and the third fixing hole group 24, and pre-assemble while aligning with the fourth groove hole group 28. Through the second sliding groove 21 and the second slide bar fixing bolt 30 on the side of the second fixing block 10, slide the second fixing block 10 until both sides are tightly attached to the second side 4 and the third side 5, and then fix the second slide bar fixing bolt 30, the third groove hole group 27 and the fourth groove hole group 28.

[0038] Check all connection points to confirm that all bolts are tightened and there is no looseness, ensuring that the connecting parts are firmly installed without shaking.

[0039] In summary, the utility model can ensure the structural strength and stability of the connection, and can optimize the load transfer path to improve the wind resistance and seismic resistance of the structure.

Claims

1. A connecting piece for a steel structure crossbeam, which is used to connect a first H-shaped crossbeam (1) and a second H-shaped crossbeam (2). The first H-shaped crossbeam (1) and the second H-shaped crossbeam (2) intersect perpendicularly. The first H-shaped crossbeam (1) has a first side (3) and a second side (4) on both sides respectively, and the second H-shaped crossbeam (2) has a third side (5) on the upper side. It is characterized in that: A set of first connecting plates (6) are fixed on both sides of the first side (3) and the third side (5); a set of second connecting plates (7) are fixed on both sides of the second side (4) and the third side (5); a reinforcing fixing plate (8) fixed to the third side (5) is connected between the first connecting plates (6) and the second connecting plates (7); a first fixing block (9) is arranged between the first connecting plates (6), the upper end of the first fixing block (9) is fixedly connected to the first side (3), and the lower end of the first fixing block (9) is fixedly connected to the third side (5); a second fixing block (10) is arranged between the second connecting plates (7), the upper end of the second fixing block (10) is fixedly connected to the second side (4), and the lower end of the second fixing block (10) is fixedly connected to the third side (5).

2. The connecting piece of the steel structure crossbeam according to claim 1, wherein: A number of first fixing hole groups (22) are provided on the first side (3), a first connecting hole (11) is arranged at the upper front side of the first connecting plate (6), a first slot hole group (25) matching with the first connecting hole (11) is provided at the upper end of the first fixing block (9), and the first slot hole group (25) is fixedly connected to the first connecting hole (11) and the first fixing hole groups (22) through bolts; a number of third fixing hole groups (24) are provided on the third side (5), a third connecting hole (13) is arranged at the bottom rear side of the first connecting plate (6), a second slot hole group (26) matching with the third connecting hole (13) is provided at the lower end of the first fixing block (9), and the second slot hole group (26) is fixedly connected to the third connecting hole (13) and the third fixing hole groups (24) through bolts.

3. The connecting piece of the steel structure cross beam according to claim 2, characterized in that: A number of second fixing hole groups (23) are provided on the second side (4), a fifth connecting hole (15) is arranged at the upper front side of the second connecting plate (7), a third slot hole group (27) matching with the fifth connecting hole (15) is provided at the upper end of the second fixing block (10), and the third slot hole group (27) is fixedly connected to the fifth connecting hole (15) and the second fixing hole groups (23) through bolts; a seventh connecting hole (17) is arranged at the bottom rear side of the second connecting plate (7), a fourth slot hole group (28) matching with the seventh connecting hole (17) is provided at the lower end of the second fixing block (10), and the fourth slot hole group (28) is fixedly connected to the seventh connecting hole (17) and the third fixing hole groups (24) through bolts.

4. The connecting member of the steel structure cross beam according to claim 2, characterized in that: A second connecting hole (12) is arranged at the lower front side of the first connecting plate (6), and the second connecting hole (12) is connected to the first fixing hole groups (22) through bolts; a fourth connecting hole (14) is arranged at the bottom front side of the first connecting plate (6), and the fourth connecting hole (14) is connected to the third fixing hole groups (24) through bolts.

5. The connecting member of the steel structure cross beam according to claim 3, characterized in that: A sixth connecting hole (16) is arranged at the lower front side of the second connecting plate (7), and the sixth connecting hole (16) is connected to the second fixing hole groups (23) through bolts; an eighth connecting hole (18) is arranged at the bottom front side of the second connecting plate (7), and the eighth connecting hole (18) is connected to the third fixing hole groups (24) through bolts.

6. The connecting member of the steel structure cross beam according to claim 2, characterized in that: The reinforcing fixing plate (8) is arranged on the lower side of the third side (5), and the ninth connecting hole (19) bolted to the third fixing hole group (24) is provided on the reinforcing fixing plate (8).

7. The connecting piece of the steel structure cross beam according to claim 1, characterized in that: A first sliding groove (20) is arranged on the side of the first connecting plate (6), and a first sliding rod fixing bolt (29) matching the first sliding groove (20) is inserted through the side of the first fixing block (9).

8. The connecting piece of the steel structure cross beam according to claim 1, characterized in that: A second sliding groove (21) is arranged on the side of the second connecting plate (7), and a second sliding rod fixing bolt (30) matching the second sliding groove (21) is inserted through the side of the second fixing block (10).

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