Large-span cantilever structure

Abstract

The utility model discloses a large-span overhanging structure which comprises an overhanging main beam installed on a main body structural part, an inclined supporting beam is arranged between the main body structural part and the overhanging main beam, and the supporting beam, the overhanging main beam and the main body structural part form a triangular structure. According to the large-span overhanging structure, part of stress of the overhanging main beam is transmitted to the main body structural part through the supporting beam, the size of the overhanging main beam is reduced, the overall span of the overhanging structure is increased, stress at the connecting joint between the overhanging main beam and the main body structural part is reduced, deflection deformation of the overhanging main beam is controlled, and the safety of the large-span overhanging structure is improved; and the formed triangular structure can improve the overall stability and safety of the large-span cantilever structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of construction engineering, and particularly relates to a long-span cantilever structure. Background Technique

[0002] With the continuous development of construction technology and the continuous pursuit of architectural aesthetics, architectural design tends to be more complex and innovative forms. Among them, the long-span cantilever structure, due to its unique space spanning ability and visual impact, has become an important element in modern architectural design. It can meet the innovative needs of architects for architectural forms and spatial layouts, making the building more layered and dynamically beautiful;

[0003] At present, conventional long-span cantilever structures often achieve it by increasing the size of the cantilever structure, but it is necessary to increase the size of the cantilever structure and the cantilever length is limited. Moreover, the stress at the cantilever node of the cantilever member is relatively large, which affects the stability and safety of the cantilever structure. Content of the Utility Model

[0004] The purpose of the utility model is to provide a long-span cantilever structure to overcome the defects of the prior art. By transferring part of the force of the cantilever main beam to the main structural member through the support beam, the size of the cantilever main beam is reduced, the overall span of the cantilever structure is increased, the stress at the connection node between the cantilever main beam and the main structural member is reduced, the deflection deformation of the cantilever main beam is controlled, the safety of the long-span cantilever structure is improved, and the formed triangular structure can also improve the overall stability and safety of the long-span cantilever structure.

[0005] The purpose of the utility model is realized by the following technical solutions:

[0006] A long-span cantilever structure includes a cantilever main beam installed on a main structural member. An inclined support beam is arranged between the main structural member and the cantilever main beam to form a triangular structure with the cantilever main beam and the main structural member.

[0007] In one embodiment, an auxiliary beam connected to the support beam is further arranged on the main structural member. By this embodiment, the arranged auxiliary beam can reduce the span of the support beam, improve the compression stability of the support beam, and thus improve the overall safety of the long-span cantilever structure.

[0008] In one embodiment, the auxiliary beam is connected to the midpoint of the support beam. By this embodiment, the triangular structure formed by the support beam, the cantilever main beam and the main structural member is further evenly divided, that is, the compression stability of the support beam is further improved.

[0009] In one embodiment, both the auxiliary beam and the support beam are made of steel structure. By this embodiment, using steel structure is convenient for installation, that is, the construction efficiency is improved.

[0010] In one embodiment, both ends of the support beam are respectively welded to the cantilever main beam and the main structural member.

[0011] In one embodiment, both ends of the auxiliary beam are respectively welded to the main structural member and the support beam.

[0012] In one embodiment, a plurality of support beams are sequentially arranged between the main structural member and the cantilever main beam, and the plurality of support beams extend in mutually parallel directions. Through this embodiment, that is, by a plurality of mutually parallel support beams, the size of the cantilever main beam is further reduced, and the overall span of the cantilever structure is increased.

[0013] In one embodiment, the plurality of support beams are connected together by an auxiliary beam provided on the main structural member. Through this embodiment, that is, by using the auxiliary beam to reduce the span of the support beam, the stability of the support beam is further improved, and the load-bearing capacity of the support beam is improved.

[0014] In one embodiment, the auxiliary beam is connected to the midpoints of the plurality of support beams, and through this embodiment, the compression stability of the support beam is further improved.

[0015] In one embodiment, the spacing between adjacent two support beams is consistent.

[0016] The beneficial effects of the present utility model are as follows:

[0017] (1) By the support beam, part of the force of the cantilever main beam is transmitted to the main structural member, the size of the cantilever main beam is reduced, the overall span of the cantilever structure is increased, the stress at the connection node between the cantilever main beam and the main structural member is reduced, the deflection deformation of the cantilever main beam is controlled, the safety of the long-span cantilever structure is improved, and the formed triangular structure can also improve the overall stability and safety of the long-span cantilever structure;

[0018] (2) The auxiliary beam provided on the main structural member and connected to the support beam can reduce the span of the support beam, improve the compression stability of the support beam, and thus improve the overall safety of the long-span cantilever structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Hereinafter, the present utility model will be described in more detail based on embodiments and with reference to the drawings.

[0020] Wherein:

[0021] Figure 1 shows a schematic structural diagram of an embodiment of the present utility model;

[0022] Figure 2Shows a schematic structural diagram of another embodiment of the present utility model;

[0023] In the drawings, the same components are denoted by the same reference numerals. The drawings are not drawn to actual scale.

[0024] Reference numerals:

[0025] 1 - Main structural member, 2 - Cantilever main beam, 3 - Support beam, 4 - Auxiliary beam, 5 - First connection point, 6 - Second connection point, 7 - Third connection point. Detailed implementation manners

[0026] The present utility model will be further described below in conjunction with the drawings.

[0027] Embodiment 1

[0028] The present utility model provides a long - span cantilever structure, as Figure 1 shown, including a cantilever main beam 2 installed on a main structural member 1. An inclined support beam 3 is provided between the main structural member 1 and the cantilever main beam 2 to form a triangular structure with the cantilever main beam 2 and the main structural member 1. An auxiliary beam 4 connected to the support beam 3 is also provided on the main structural member 1;

[0029] It should be noted that part of the force of the cantilever main beam 2 is transmitted to the main structural member 1 through the support beam 3, reducing the size of the cantilever main beam 2, increasing the overall span of the cantilever structure, reducing the stress at the connection node between the cantilever main beam 2 and the main structural member 1, controlling the deflection deformation of the cantilever main beam 2, improving the safety of the long - span cantilever structure, and the formed triangular structure can also improve the overall stability and safety of the long - span cantilever structure;

[0030] Among them, the main structural member 1 is a main structural column, which extends in the vertical direction. The cantilever main beam 2 is perpendicular to the main structural column and forms a triangular structure with the support beam 3;

[0031] Specifically, the auxiliary beam 4 is connected to the mid - point of the support beam 3, as Figure 1 shown. The auxiliary beam 4 further divides the triangular structure formed by the support beam 3, the cantilever main beam 2, and the main structural member 1 evenly, that is, further improving the compressive stability of the support beam 3;

[0032] In one embodiment, both the auxiliary beam 4 and the support beam 3 are made of steel structures. The two ends of the support beam 3 are respectively welded to the cantilever main beam 2 and the main structural member 1, and the two ends of the auxiliary beam 4 are respectively welded to the main structural member 1 and the support beam 3. That is, a steel structure can be used as the cantilever structure, and the support beam 3 and the auxiliary beam 4 are installed by means of welding and fixing;

[0033] In one embodiment, both the auxiliary beam 4 and the support beam 3 are made of reinforced concrete. One end of the steel bars of the support beam 3 extends into the cantilever main beam 2 as the first connection point 5, and the other end extends into the main structural member 1 as the second connection point 6. The steel bars of the auxiliary beam 4 extend into the main structural member 1 as the third connection point 7. The straight anchor section lengths at the first connection point 5, the second connection point 6, and the third connection point 7 are 0.35Lab. That is, the auxiliary beam 4 and the support beam 3 are installed in an articulated anchoring manner. When using reinforced concrete as the cantilever structure, the articulated anchoring can improve the adhesion of the steel bars to the concrete and ensure the safety performance of the connection;

[0034] In one embodiment, as Figure 2 shown, a plurality of support beams 3 are sequentially arranged between the main structural member 1 and the cantilever main beam 2. The plurality of support beams 3 extend in mutually parallel directions. That is, a plurality of mutually parallel support beams 3 can be simultaneously arranged between the main structural member 1 and the cantilever main beam 2. The plurality of mutually parallel support beams 3 act together to transfer part of the force of the cantilever main beam 2 to the main structural member 1, reduce the size of the cantilever main beam 2, increase the overall span of the cantilever structure, reduce the stress at the connection node between the cantilever main beam 2 and the main structural member 1, control the deflection deformation of the cantilever main beam 2, and improve the safety of the large-span cantilever structure;

[0035] Specifically, the plurality of support beams 3 are connected together by an auxiliary beam 4 provided on the main structural member 1. The auxiliary beam 4 is connected to the midpoints of the plurality of support beams 3, and the spacing between adjacent two support beams 3 is consistent;

[0036] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "bottom", "top", "front", "rear", "inner", "outer", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0037] Although the present invention has been described herein with reference to specific embodiments, it should be understood that these embodiments are merely examples of the principles and applications of the present invention. Therefore, it should be understood that many modifications can be made to the exemplary embodiments, and other arrangements can be designed, as long as they do not deviate from the spirit and scope of the present invention as defined by the appended claims. It should be understood that the different dependent claims and the features described herein can be combined in a manner different from that described in the original claims. It should also be understood that the features described in connection with a single embodiment can be used in other described embodiments.

Claims

1. A large-span cantilever structure, characterized in that, It includes a cantilever main beam installed on the main structural member, and an inclined support beam is provided between the main structural member and the cantilever main beam to form a triangular structure with the cantilever main beam and the main structural member.

2. A long-span cantilever structure according to claim 1, characterized in that An auxiliary beam connected to the support beam is also provided on the main structural member.

3. A long-span cantilever structure according to claim 2, characterized in that, The auxiliary beam is connected to the midpoint of the support beam.

4. A long-span cantilever structure according to claim 2, characterized in that, Both the auxiliary beam and the support beam are made of steel structure.

5. A long-span cantilever structure according to claim 4, characterized in that, Both ends of the support beam are welded to the cantilever main beam and the main structural member respectively.

6. A long-span cantilever structure according to claim 4, characterized in that, Both ends of the auxiliary beam are welded to the main structural member and the support beam respectively.

7. A long-span cantilever structure according to claim 1, characterized in that A plurality of support beams are sequentially arranged between the main structural member and the cantilever main beam, and the plurality of support beams extend in mutually parallel directions.

8. A long-span cantilever structure according to claim 7, characterized in that, The plurality of support beams are connected together by an auxiliary beam provided on the main structural member.

9. A long-span cantilever structure according to claim 8, characterized in that, The auxiliary beam is connected to the midpoints of the plurality of support beams.

10. A long-span cantilever structure according to claim 7, characterized in that, The spacing between adjacent two support beams is consistent.

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