Fabricated steel structure roof truss

Abstract

The utility model discloses an assembly type steel structure roof truss which comprises a main cross beam, a vertical supporting beam is installed in the middle of the main cross beam, a vertical beam connecting component is detachably connected to the bottom end of the vertical supporting beam and the center of the main cross beam, and a diagonal draw bar connecting assembly is fixedly connected to the top end of the vertical supporting beam. The main cross beam is connected with the inclined pull rod connecting assembly, supporting inclined pull rods are connected between the two ends of the main cross beam and the inclined pull rod connecting assembly, a lower positioning component is arranged at the connecting position of the main cross beam and the supporting inclined pull rods, and a triangular auxiliary supporting piece is arranged on one side of the lower positioning component. According to the structure, prefabrication and assembly are convenient, the overall structural strength is high after assembly, meanwhile, the overall structure is of a triangular structure, and stability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of steel structure roof trusses, in particular to an assembled steel structure roof truss. Background Art

[0002] Steel structure is a structure made of steel materials and is one of the main types of building structures. The structure is mainly composed of beam steel, steel columns, steel trusses and other components made of steel and steel plates, and adopts rust removal and rust prevention processes such as silanization, pure manganese phosphating, water washing and drying, and galvanizing. Welds, bolts or rivets are usually used to connect the components or parts. Because of its light weight and simple construction, it is widely used in large factories, venues, super high-rise buildings and other fields. The roof truss is generally triangular, consisting of upper chord, lower chord, vertical web and diagonal web. According to different materials, there are wooden trusses, steel trusses and reinforced concrete trusses. Reinforced concrete trusses or steel trusses should be used for large-span spaces.

[0003] At present, the building steel structure roof trusses on the market are in use, the assembly method is relatively simple, the operation is not convenient and fast enough, and the overall structural stability is poor.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide an assembled steel structure roof truss.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: an assembled steel structure roof truss, including a main cross beam, a vertical support beam is installed in the middle of the main cross beam, the bottom end of the vertical support beam and the center of the main cross beam are detachably connected with a vertical beam connecting member, the top end of the vertical support beam is fixedly connected with a diagonal rod connecting assembly, supporting diagonal rods are connected between the two ends of the main cross beam and the diagonal rod connecting assembly, a lower positioning member is provided at the connection between the main cross beam and the supporting diagonal rod, and a triangular auxiliary support member is provided on one side of the lower positioning member.

[0007] Preferably, the vertical beam connecting member includes a fixed block in contact with the end face of the main cross beam, and the fixed block is fixedly connected to the bottom end of the vertical support beam, both sides of the fixed block are integrally connected with limiting side plates, and an inverted U-shaped structure is formed between the fixed block and the two limiting side plates, and mounting holes are provided on the limiting side plates, and mounting bolts are provided in the mounting holes.

[0008] Preferably, the diagonal tie rod connection assembly includes a top assembly block fixedly connected to the top end of the vertical support beam, and downward assembly grooves are provided on both sides of the top assembly block. The end of the supporting diagonal tie rod is integrally connected with an embedded fixing block matching the downward assembly groove.

[0009] Preferably, the embedded fixing block is interference fit with the downward pressing assembly groove, an elastic support sheet is provided at the bottom of the downward pressing assembly groove, and corresponding connecting bolt holes are penetrated through the downward pressing assembly groove and the embedded fixing block.

[0010] Preferably, the lower positioning member includes an insertion groove opened at the end of the main cross beam, arc-shaped protrusions are arranged on both sides of the insertion groove, the bottom end of the supporting diagonal rod is integrally connected with an insertion block matching the insertion groove, and positioning grooves matching the arc-shaped protrusions are arranged on both sides of the insertion block.

[0011] Preferably, the triangular auxiliary support member includes a triangular support block, a wear-resistant gasket is provided on the triangular support block, a connecting bolt is provided on the triangular support block, a sliding block is provided at the bottom of the triangular support block, and a sliding groove matching the sliding block is provided on the main beam.

[0012] Preferably, an auxiliary support rod is provided between the main cross beam and the supporting diagonal tie rod, and the auxiliary support rod is fixedly connected to the connection between the main cross beam and the supporting diagonal tie rod by steel nails.

[0013] The utility model provides an assembled steel structure roof truss, which has the following beneficial effects:

[0014] By arranging a vertical support beam in the middle of the main beam and cooperating with the vertical beam connecting member, the main beam and the vertical support beam are installed and connected, and the end of the supporting diagonal rod is connected to the top of the vertical support beam by the cooperating diagonal rod connecting assembly. At the same time, the connection between the main beam and the supporting diagonal rod is fixedly connected through the action of the lower positioning member. Two stable and detachable triangular structures are formed by the main beam, the vertical support beam and the supporting diagonal rod to improve the overall strength, and the triangular auxiliary support members are used to support the connection between the main beam and the supporting diagonal rod. The utility model has a simple structure and is a detachable assembled structure as a whole, which is convenient for prefabrication and assembly, and the overall structural strength after assembly is also high. At the same time, the whole is a triangular structure with stronger stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a front view of an assembled steel structure roof truss according to an embodiment of the utility model;

[0017] Figure 2 It is a structural schematic diagram of a vertical beam connecting member in an assembled steel structure roof truss according to an embodiment of the utility model;

[0018] Figure 3 It is a structural schematic diagram of a diagonal tie rod connection assembly in an assembled steel structure roof truss according to an embodiment of the utility model;

[0019] Figure 4 It is a structural schematic diagram of a lower positioning member in an assembled steel structure roof truss according to an embodiment of the utility model;

[0020] Figure 5 It is a structural schematic diagram of a triangular auxiliary support member in an assembled steel structure roof truss according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. Main crossbeam; 2. Vertical beam connecting member; 3. Vertical support beam; 4. Diagonal brace connecting assembly; 5. Support diagonal brace; 6. Triangular auxiliary support member; 7. Lower positioning member; 8. Fixing block; 9. Limiting side plate; 10. Mounting hole; 11. Mounting bolt; 12. Top assembly block; 13. Press-down assembly groove; 14. Elastic support sheet; 15. Embedded fixing block; 16. Connecting bolt hole; 17. Insertion groove; 18. Arc-shaped protrusion; 19. Insertion block; 20. Positioning groove; 21. Triangular support block; 22. Wear-resistant gasket; 23. Connecting bolt; 24. Sliding block; 25. Sliding groove; 26. Auxiliary support rod; 27. Steel nail. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-5The utility model provides an assembled steel structure roof truss, including a main cross beam 1, a vertical support beam 3 is installed in the middle of the main cross beam 1, and a vertical beam connecting member 2 is detachably connected to the bottom end of the vertical support beam 3 and the center of the main cross beam 1. The vertical support beam 3 is arranged in the middle of the main cross beam 1, and the vertical beam connecting member 2 is cooperated to install and connect the main cross beam 1 and the vertical support beam 3. The top of the vertical support beam 3 is fixedly connected with a diagonal brace connecting assembly 4, and supporting diagonal braces 5 are connected between the two ends of the main cross beam 1 and the diagonal brace connecting assembly 4. The diagonal brace connecting assembly 4 connects the end of the supporting diagonal brace 5 with the top of the vertical supporting beam 3. A lower positioning member 7 is provided at the connection between the main cross beam 1 and the supporting diagonal brace 5, and a triangular auxiliary support member 6 is provided on one side of the lower positioning member 7. Through the action of the lower positioning member 7, the connection between the main cross beam 1 and the supporting diagonal brace 5 is fixedly connected. Two stable and detachable triangular structures are formed by the main cross beam 1, the vertical supporting beam 3 and the supporting diagonal brace 5 to improve the overall strength, and the triangular auxiliary support member 6 is used to support the connection between the main cross beam 1 and the supporting diagonal brace 5.

[0025] In one embodiment, please refer to the attached manual. Figure 2 As shown, the vertical beam connecting member 2 includes a fixing block 8 in contact with the end surface of the main cross beam 1, and the fixing block 8 is fixedly connected to the bottom end of the vertical support beam 3, and the two sides of the fixing block 8 are integrally connected with the limiting side plates 9, and an inverted U-shaped structure is formed between the fixing block 8 and the two limiting side plates 9, and the limiting side plates 9 are each provided with a mounting hole 10, and a mounting bolt 11 is arranged in the mounting hole 10. The middle part of the main cross beam 1 is positioned by the inverted U-shaped structure composed of the fixing block 8 and the limiting side plates 9, and then the mounting bolt 11 is used for connection.

[0026] In one embodiment, please refer to the attached manual. Figure 3 As shown, the diagonal tie rod connection assembly 4 includes a top assembly block 12 fixedly connected to the top of the vertical support beam 3, and both sides of the top assembly block 12 are provided with a downward assembly groove 13, and the end of the supporting diagonal tie rod 5 is integrally connected with an embedded fixing block 15 matching the downward assembly groove 13, and the embedded fixing block 15 is interference-fitted with the downward assembly groove 13, and an elastic support sheet 14 is provided at the bottom of the downward assembly groove 13, and corresponding connecting bolt holes 16 are provided through the downward assembly groove 13 and the embedded fixing block 15. The downward assembly groove 13 provided on the top assembly block 12 is interference-fitted with the embedded fixing block 15, and the elastic support sheet 14 enables the connection to adapt to a certain prestress, and then the embedded fixing block 15 is connected to the downward assembly groove 13 through the connecting bolt hole 16.

[0027] In one embodiment, please refer to the attached manual. Figure 4 As shown, the lower positioning member 7 includes an insertion groove 17 provided at the end of the main cross beam 1, arc-shaped protrusions 18 are provided on both sides of the insertion groove 17, and the bottom end of the supporting inclined tie rod 5 is integrally connected with an insertion block 19 matching the insertion groove 17, and positioning grooves 20 matching the arc-shaped protrusions 18 are provided on both sides of the insertion block 19. The connection limit of the bottom end of the supporting inclined tie rod 5 is achieved by matching the insertion groove 17 with the insertion block 19, and then matching the arc-shaped protrusion 18 with the positioning groove 20.

[0028] In one embodiment, please refer to the attached manual. Figure 5 As shown, the triangular auxiliary support member 6 includes a triangular support block 21, a wear-resistant pad 22 is provided on the triangular support block 21, a connecting bolt 23 is provided on the triangular support block 21, a sliding block 24 is provided at the bottom of the triangular support block 21, and a sliding groove 25 matching the sliding block 24 is provided on the main cross beam 1. The sliding block 24 is matched with the sliding groove 25 to push the triangular support block 21 outward, thereby supporting the connection between the main cross beam 1 and the supporting diagonal brace 5, and then the supporting diagonal brace 5 is connected to the triangular support block 21 through the connecting bolt 23.

[0029] In one embodiment, please refer to the attached manual. Figure 1 As shown, an auxiliary support rod 26 is provided between the main cross beam 1 and the supporting diagonal tie rod 5, and the auxiliary support rod 26 is fixedly connected to the connection between the main cross beam 1 and the supporting diagonal tie rod 5 by a steel nail 27. By providing the auxiliary support rod 26 in conjunction with the steel nail 27, the stability between the main cross beam 1 and the supporting diagonal tie rod 5 is further improved.

[0030] In actual application, a vertical support beam 3 is provided in the middle of the main beam 1, and the vertical beam connecting member 2 is used to install and connect the main beam 1 and the vertical support beam 3. The end of the supporting diagonal rod 5 is connected to the top of the vertical support beam 3 by the diagonal rod connecting assembly 4 provided in cooperation. At the same time, the connection between the main beam 1 and the supporting diagonal rod 5 is fixedly connected by the lower positioning member 7. Two stable and detachable triangular structures are formed by the main beam 1, the vertical support beam 3 and the supporting diagonal rod 5 to improve the overall strength. The triangular auxiliary support member 6 is used to support the connection between the main beam 1 and the supporting diagonal rod 5. The utility model has a simple structure, and the whole is a detachable assembled structure, which is convenient for prefabrication and assembly, and the overall structural strength after assembly is also high. At the same time, the whole is a triangular structure with stronger stability.

[0031] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An assembled steel structure roof truss, characterized in that: The invention comprises a main cross beam (1), a vertical support beam (3) is installed in the middle of the main cross beam (1), a vertical beam connection member (2) is detachably connected between the bottom end of the vertical support beam (3) and the center of the main cross beam (1), a diagonal brace connection assembly (4) is fixedly connected to the top end of the vertical support beam (3), supporting diagonal braces (5) are connected between the two ends of the main cross beam (1) and the diagonal brace connection assembly (4), a lower positioning member (7) is provided at the connection between the main cross beam (1) and the supporting diagonal brace (5), and a triangular auxiliary support member (6) is provided on one side of the lower positioning member (7).

2. The assembled steel structure roof truss according to claim 1, characterized in that: The vertical beam connecting member (2) comprises a fixing block (8) in contact with the end surface of the main cross beam (1), and the fixing block (8) is fixedly connected to the bottom end of the vertical support beam (3), and the two sides of the fixing block (8) are integrally connected to the limiting side plates (9), and an inverted U-shaped structure is formed between the fixing block (8) and the two limiting side plates (9), and the limiting side plates (9) are each provided with a mounting hole (10), and a mounting bolt (11) is arranged in the mounting hole (10).

3. The assembled steel structure roof truss according to claim 2, characterized in that: The diagonal brace connecting assembly (4) comprises a top assembly block (12) fixedly connected to the top end of the vertical support beam (3), and downward assembly grooves (13) are provided on both sides of the top assembly block (12). The end of the supporting diagonal brace (5) is integrally connected with an embedded fixing block (15) matching the downward assembly groove (13).

4. The assembled steel structure roof truss according to claim 3, characterized in that: The embedded fixing block (15) is interference-fitted with the downward pressing assembly groove (13); an elastic support sheet (14) is provided at the bottom of the downward pressing assembly groove (13); and corresponding connecting bolt holes (16) are provided through the downward pressing assembly groove (13) and the embedded fixing block (15).

5. The assembled steel structure roof truss according to claim 4, characterized in that: The lower positioning member (7) comprises an insertion groove (17) provided at the end of the main cross beam (1), arc-shaped protrusions (18) are arranged on both sides of the insertion groove (17), and an insertion block (19) matching the insertion groove (17) is integrally connected to the bottom end of the supporting inclined tie rod (5), and positioning grooves (20) matching the arc-shaped protrusions (18) are arranged on both sides of the insertion block (19).

6. The assembled steel structure roof truss according to claim 5, characterized in that: The triangular auxiliary support member (6) comprises a triangular support block (21), a wear-resistant gasket (22) is arranged on the triangular support block (21), a connecting bolt (23) is provided on the triangular support block (21), a sliding block (24) is arranged at the bottom of the triangular support block (21), and a sliding groove (25) matching the sliding block (24) is provided on the main crossbeam (1).

7. The assembled steel structure roof truss according to claim 6, characterized in that: An auxiliary support rod (26) is provided between the main cross beam (1) and the supporting diagonal brace (5), and the auxiliary support rod (26) is fixedly connected to the connection between the main cross beam (1) and the supporting diagonal brace (5) by means of a steel nail (27).

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