A large-span steel structure lower hanging transfer floor system

Abstract

The utility model belongs to the technical field of large-span steel structure transfer floor, concretely relates to a kind of large-span steel structure lower hanging transfer floor system, including two clamping pieces A and a clamping piece B, the clamping piece A and clamping piece B are respectively located at the upper end and lower end of the flange plate of the bottom of main body steel structure beam, and the opposite ends of two clamping pieces A respectively adhere to the web of main body steel structure beam, the opposite ends of two clamping pieces A are respectively fixedly connected by bolt A with the two ends of clamping piece B, the lower end of clamping piece B is fixedly connected by bolt B with transfer floor hanging keel.The utility model is connected by bolt, without welding, does not destroy original structure, easy to adjust, and operation efficiency is high.

Description

Technical Field

[0001] This utility model belongs to the technical field of large-span steel structure transfer layer, specifically relating to a large-span steel structure under-suspended transfer layer system. Background Technology

[0002] Large-span steel transfer floors are an important structural form in high-rise buildings used to achieve load transfer and spatial transformation between the superstructure and the substructure.

[0003] The connection between the large-span steel structure transfer layer and the upper steel structure beams is a critical node in the structural design, and its safety and reliability directly affect the performance of the entire structural system. The traditional connection method between the large-span steel structure transfer layer and the upper steel structure beams is welding. Welding involves a large amount of welding, requires high welding quality, has low work efficiency, and is prone to damaging the strength of the original main structure. Summary of the Invention

[0004] The technical problem to be solved by this utility model is to provide a large-span steel structure under-suspended transfer layer system to address the shortcomings of the existing technology. This utility model adopts bolt connection, without welding, does not damage the original structure, is easy to adjust, and has high operation efficiency.

[0005] This solution is achieved through the following technical measures: a large-span steel structure under-suspended transfer layer system, including two clamping parts A and one clamping part B. The clamping parts A and B are located at the upper and lower ends of the bottom flange plate of the main steel structure beam, respectively. The opposite ends of the two clamping parts A are respectively attached to the two sides of the web plate of the main steel structure beam. The opposite ends of the two clamping parts A are fixedly connected to the two ends of the clamping part B by bolts A. The lower end of the clamping part B is fixedly connected to the transfer layer suspension keel by bolts B.

[0006] Preferably, the clamping member A includes an L-shaped clamping member, one end of which is attached to the web of the main steel structure beam and the other end of which is attached to the bottom flange of the main steel structure beam. The end of the L-shaped clamping member extends out of the end of the bottom flange of the main steel structure beam it is attached to, and a round hole for installing bolt A is provided on the section of the L-shaped clamping member that extends out of the bottom flange of the main steel structure beam.

[0007] Preferably, the clamping member B includes a clamping plate, which is attached to the bottom flange of the main steel structure beam. Both ends of the clamping plate extend out of the bottom flange of the main steel structure beam, and the two sections of the clamping plate extending out of the bottom flange of the main steel structure beam are respectively provided with elongated holes in the left and right directions that cooperate with bolts A.

[0008] Preferably, the bottom of the clamping plate is welded with two vertical hanging plates, and a receiving cavity is formed between the two vertical hanging plates to cooperate with the upper end of the conversion layer hanging keel. The two vertical hanging plates are symmetrically provided with round holes that cooperate with bolt B.

[0009] Preferably, a pad is provided between the L-shaped clamping member and the section of the clamping plate extending from the bottom flange of the main steel structure beam, and the pad has a round hole for the bolt A to pass through.

[0010] Preferably, the two ends of the L-shaped clamping member are fixedly connected with stiffening ribs.

[0011] Preferably, the L-shaped clamping member, stiffening rib, clamping plate, vertical hanging plate, and pad are all galvanized steel parts.

[0012] The beneficial effects of this utility model are:

[0013] 1. This utility model adopts a fully bolted fixing method, which uses clamping parts A, clamping parts B and pad blocks to clamp the main steel structure beam, without damaging the original main structure, improving the stability of the overall structure, and is easy to adjust, resulting in high construction efficiency;

[0014] 2. The clamping part B in this utility model has elongated holes running from left to right, which facilitates adjustment during installation and can effectively absorb material errors and construction errors.

[0015] 3. All components of this utility model are manufactured and assembled in a factory, which greatly improves construction efficiency. The entire system is bolted together during on-site installation without any welding operations, which requires less technical skill from construction personnel, making it safer and more environmentally friendly, and also facilitating later maintenance and replacement.

[0016] It is evident that this utility model possesses substantial features and represents an advancement compared to existing technologies. Attached Figure Description

[0017] Figure 1 This is a front view structural diagram of a specific embodiment of the present utility model.

[0018] Figure 2 This is a schematic diagram of the left-side structure of a specific embodiment of the present invention.

[0019] Figure 3 This is a schematic diagram of the clamping component A.

[0020] Figure 4 This is a schematic diagram of the clamping component B.

[0021] Figure 5 This is a schematic diagram of the pad block structure.

[0022] In the diagram, 1-main steel structure beam, 2-clamping component A, 3-bolt A, 4-pad, 5-clamping component B, 6-bolt B, 7-transfer layer hanging keel, 8-clamping plate, 9-vertical hanging plate, 10-L-shaped clamping component, 11-stiffening rib, 12-round hole, 13-left and right elongated holes. Detailed Implementation

[0023] To clearly illustrate the technical features of this solution, the following detailed implementation method, in conjunction with its accompanying drawings, will be used to describe the solution.

[0024] A large-span steel structure under-suspension transfer layer system includes two clamping members A2 and one clamping member B5. The clamping members A2 and B5 are located at the upper and lower ends of the bottom flange plate of the main steel structure beam 1, respectively. The opposite ends of the two clamping members A2 are respectively attached to the two sides of the web plate of the main steel structure beam 1. The opposite ends of the two clamping members A2 are fixedly connected to the two ends of the clamping member B5 by bolts A3. The lower end of the clamping member B5 is fixedly connected to the transfer layer hanging keel 7 by bolts B6.

[0025] The clamping member A2 includes an L-shaped clamping member 10. One end of the L-shaped clamping member 10 is attached to the web of the main steel structure beam 1, and the other end is attached to the bottom flange plate of the main steel structure beam 1. A stiffening rib 11 is fixedly connected between the two ends of the L-shaped clamping member 10 to enhance its strength. The end of the L-shaped clamping member 10 extends out of the end of the bottom flange plate of the main steel structure beam 1 it is attached to, and a circular hole 12 for mounting bolt A3 is opened on the section of the L-shaped clamping member 10 that extends out of the bottom flange plate of the main steel structure beam 1.

[0026] The clamping component B5 includes a clamping plate 8, which fits against the bottom flange of the main steel structure beam 1. Both ends of the clamping plate 8 extend beyond the bottom flange of the main steel structure beam 1. The two sections of the clamping plate 8 extending beyond the bottom flange of the main steel structure beam 1 are respectively provided with elongated left-right holes 13 that mate with bolts A3, facilitating left-right adjustment during installation and effectively absorbing material and construction errors. Two vertical hanging plates 9 are welded to the bottom of the clamping plate 8, forming a cavity between them that mates with the upper end of the transfer layer hanging keel 7. Symmetrical holes 12, mate with bolts B6, are provided on the two vertical hanging plates 9, and corresponding holes 12 are provided on the transfer layer hanging keel 7, facilitating the fixed connection of the vertical hanging plates 9 and the transfer layer hanging keel 7 using bolts B6. The clamping plate 8 and the vertical hanging plates 9 are welded and drilled in the factory, eliminating the need for welding on the construction site.

[0027] A pad 4 is provided between the L-shaped clamping member 10 and the clamping plate 8, which extends out of the bottom flange of the main steel structure beam 1. The pad 4 has a round hole 12 for the bolt A3 to pass through, and the pad 4 plays the role of supporting and transmitting force.

[0028] The L-shaped clamping member 10, stiffening rib 11, clamping plate 8, vertical hanging plate 9, and pad 4 are all galvanized steel parts.

[0029] In this invention, two clamping pieces A2 and one clamping piece B5 are connected to the main steel structure beam 1 using bolt A3. A spacer 4 is placed between the L-shaped clamping piece 10 and the clamping plate 8. Bolt A3 passes through the spacer 4. After installation, bolt A3 is tightened to clamp the main steel structure beam 1 with clamping pieces A2 and B5. The vertical hanging plate 9 at the bottom of clamping piece B5 is connected to the transfer layer hanging keel 7 via bolt B6, and the force of the transfer layer hanging keel 7 is transmitted to the main steel structure beam 1.

[0030] Technical features not described in this utility model can be implemented using existing technology and will not be elaborated here. This utility model is not limited to the specific embodiments described above. Any changes, modifications, additions, or substitutions made by those skilled in the art within the scope of this utility model should also fall within the protection scope of this utility model.

Claims

1. A suspended transfer floor system for a large-span steel structure, characterized in that: It includes two clamping parts A (2) and one clamping part B (5). The clamping parts A (2) and B (5) are located at the upper and lower ends of the bottom flange of the main steel structure beam (1), respectively. The opposite ends of the two clamping parts A (2) are respectively attached to the two sides of the web of the main steel structure beam (1). The opposite ends of the two clamping parts A (2) are respectively fixedly connected to the two ends of the clamping part B (5) by bolts A (3). The lower end of the clamping part B (5) is fixedly connected to the transfer layer hanging keel (7) by bolts B (6).

2. The large-span steel structure suspended transfer layer system according to claim 1, characterized in that: The clamping member A (2) includes an L-shaped clamping member (10). One end of the L-shaped clamping member (10) is attached to the web of the main steel structure beam (1), and the other end is attached to the bottom flange of the main steel structure beam (1). The end of the L-shaped clamping member (10) extends out of the end of the bottom flange of the main steel structure beam (1) it is attached to. A round hole (12) for installing bolt A (3) is provided on a section of the L-shaped clamping member (10) that extends out of the bottom flange of the main steel structure beam (1).

3. The large-span steel structure under-suspension transfer layer system according to claim 2, characterized in that: The clamping component B (5) includes a clamping plate (8), which is attached to the bottom flange of the main steel structure beam (1). Both ends of the clamping plate (8) extend out of the bottom flange of the main steel structure beam (1) it is attached to, and the two sections of the clamping plate (8) extending out of the bottom flange of the main steel structure beam (1) are respectively provided with left and right elongated holes (13) that cooperate with bolts A (3).

4. The large-span steel structure under-suspension transfer layer system according to claim 3, characterized in that: The bottom of the clamping plate (8) is welded with two vertical hanging plates (9), and a receiving cavity is formed between the two vertical hanging plates (9) to cooperate with the upper end of the conversion layer hanging keel (7). The two vertical hanging plates (9) are symmetrically provided with round holes (12) that cooperate with bolts B (6).

5. The large-span steel structure under-suspension transfer layer system according to claim 4, characterized in that: A pad (4) is provided between the L-shaped clamping member (10) and the clamping plate (8) extending out of the bottom flange of the main steel structure beam (1). A round hole (12) is provided on the pad (4) for the bolt A (3) to pass through.

6. The large-span steel structure suspended transfer layer system according to claim 5, characterized in that: The L-shaped clamping member (10) is fixedly connected to both ends by stiffening ribs (11).

7. The large-span steel structure under-suspension transfer layer system according to claim 6, characterized in that: The L-shaped clamping part (10), stiffening rib (11), clamping plate (8), vertical hanging plate (9) and pad (4) are all galvanized steel parts.

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