Modularized cantilever building structure

Abstract

The utility model discloses a modularized overhanging building structure, which comprises an overhanging balcony and a section steel rib arranged in a building main body, and is characterized in that the overhanging balcony comprises a balcony plate and an overhanging beam, the overhanging beam is arranged in the balcony plate, one end of the overhanging beam penetrates through an outer wall to be embedded in the building main body, and the other end of the overhanging beam penetrates through the outer wall to be embedded in the building main body. One end of the cantilever beam fixes the balcony plate outside the building main body, the cantilever beam is fixedly connected with a section steel rib in the building main body, a rear reinforcing rod is arranged at the end, embedded into the building main body, of the cantilever beam, and the rear reinforcing rod is fixedly connected with the upper end of the section steel rib. According to the cantilever structure, the cantilever beam is stressed in a balanced mode, the overall structure is more stable, parts are connected conveniently and firmly, and the construction efficiency can be improved.

Description

Technical Field

[0001] This utility model relates to the field of building construction technology, and in particular to a modular cantilever building structure. Background Technology

[0002] A cantilever floor is a section of a building that extends outside the wall. Cantilever floors can ensure sufficient natural light and improve ventilation. Standing on a cantilever floor can also expand the field of vision. Based on these advantages, cantilever floors are more widely used in building construction.

[0003] Chinese Patent Publication No. CN104563281B discloses a prefabricated balcony structure and its construction method. The invention discloses a prefabricated balcony structure comprising a prefabricated balcony body, the balcony body including a balcony slab, and cantilever beams on both sides of the balcony slab. The front ends of the cantilever beams are connected to embedded connectors that interlock with the main building structure. This invention allows the balcony construction to be independent of the main building structure construction, offering advantages such as independent installation, fast construction speed, high construction efficiency, and short construction period.

[0004] However, it also has drawbacks: this structure relies solely on cantilever beams on both sides and pre-embedded connectors inserted into the building to fix the prefabricated balcony. This results in an imbalance of forces between the cantilever beams and the pre-embedded connectors, with the latter bearing greater pressure. Over time, the pre-embedded connectors are more prone to damage, affecting the balcony's quality. Therefore, it is necessary to consider designing a cantilever building structure that is more stable and robust while still being easy to install. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the technical problem to be solved by this utility model is to provide a modular cantilever building structure that can balance the forces at both ends of the cantilever beam supporting the prefabricated balcony, thereby improving the structural stability of the cantilever balcony.

[0006] Therefore, this utility model is implemented using the following technical solution: a modular cantilever building structure, including a cantilever balcony and a steel frame, wherein the steel frame is installed inside the main building body, characterized in that: the cantilever balcony includes a balcony slab and a cantilever beam, the cantilever beam is installed inside the balcony slab, one end of the cantilever beam passes through the outer wall and is embedded in the main building body, and the other end is inside the balcony slab as a balcony support frame, the cantilever beam is fixedly connected to the steel frame inside the main building body, and a rear reinforcing rod is provided at one end of the cantilever beam embedded in the main building body, the rear reinforcing rod being fixedly connected to the upper end of the steel frame.

[0007] Furthermore, multiple railings are detachably installed on the end of the balcony slab away from the main building. The upper end of the multiple railings is provided with a handrail, and the two ends of the handrail are provided with a horizontal bar. One end of the horizontal bar is fixedly connected to the handrail, and the other end is embedded in the main building and fixedly installed between the steel frame and the rear reinforcing bar.

[0008] Furthermore, the guardrail, handrail, and crossbar are fixedly installed as a single unit.

[0009] Furthermore, the cantilever beam is provided with a front reinforcing rod at its front end. One end of the front reinforcing rod is fixedly connected to the side of the front end of the cantilever beam, and the other end is embedded in the main body of the building and fixedly installed between the crossbar and the rear reinforcing rod. The front reinforcing rod, the guardrail, the handrail and the crossbar form a triangular stable support structure.

[0010] Furthermore, a lower reinforcing rod is fixedly installed at one end of the cantilever beam embedded in the main building structure. The lower reinforcing rod is located in the wall of the next floor and is fixedly connected to the lower end of the steel frame extending to the next floor of the building.

[0011] Furthermore, the portion of the cantilever beam embedded in the building structure is connected to the ground reinforcement cage. The ground reinforcement cage is equipped with fasteners, including an upper fastener, a lower fastener, and a locking screw. The upper and lower fasteners have slots corresponding to the transverse reinforcement bars of the ground reinforcement cage. The upper and lower fasteners can be inserted into the ground reinforcement cage via these slots. The upper and lower fasteners are fixed in position by the locking screw. The fasteners are positioned at the rear end of the outermost stirrup of the ground reinforcement cage. The fasteners are fixed to the end of the cantilever beam with screws, so that the outermost stirrup of the ground reinforcement cage is clamped between the cantilever beam and the fasteners.

[0012] Furthermore, the cantilever beam and the steel frame are intersected and bolted together, and the joint between the cantilever beam and the steel frame is welded and fixed.

[0013] Furthermore, both the cantilever beam and the steel frame are made of I-beams.

[0014] Furthermore, steel plate gaskets are provided at the connection points between the cantilever beam and the steel frame and the reinforcing rod.

[0015] Furthermore, a steel plate gasket is provided at the connection between the steel frame and the crossbar.

[0016] The beneficial effects of adopting the above technical solution are as follows:

[0017] 1. This modular cantilever building structure reinforces the cantilever beam embedded inside the main building structure. When the prefabricated balcony applies a downward force to the cantilever beam, the part of the cantilever beam embedded inside the main building structure is connected to the lower end of the steel frame through the lower reinforcing bar and to the upper end of the steel frame through the rear reinforcing bar, so that the cantilever structure forms a stable double support structure, ensuring the structural stability of the balcony slab end, thereby improving the stability of the cantilever structure and making the cantilever balcony more solid.

[0018] 2. All components of this modular cantilever building structure can be prefabricated before construction, making assembly between components convenient and connection tight, thus improving construction efficiency and structural stability. Attached Figure Description

[0019] The present invention includes the following figures:

[0020] Figure 1 A schematic diagram of the side structure of a modular cantilever building structure;

[0021] Figure 2 for Figure 1 Left view of the connection between the cantilever beam and the steel frame;

[0022] Figure 3 for Figure 1 A structural schematic diagram of the fasteners installed between the cantilever beam and the ground reinforcement cage;

[0023] Figure 4 for Figure 1 A schematic diagram of the cross-sectional structure at point A in the middle.

[0024] Attached reference numerals: 1. Balcony slab; 2. Cantilever beam; 3. Rear reinforcing bar; 4. Steel frame; 5. Steel plate gasket; 6. Fixing nut; 7. Guardrail; 8. Horizontal bar; 9. Connecting bolt; 10. Front reinforcing bar; 11. Main building structure; 12. Handrail; 13. Ground reinforcement cage; 14. Upper fixing component; 15. Lower reinforcing bar; 16. Stirrup; 17. Locking screw; 18. Lower fixing component. Detailed Implementation

[0025] To further illustrate the technical means and effects of the present invention in achieving its intended purpose, the following detailed description of the specific implementation methods, structures, features, and effects of the present invention, in conjunction with the accompanying drawings and preferred embodiments, is provided below.

[0026] Reference Figure 1-4 As shown, the structure includes a cantilevered balcony and a steel frame 4. The steel frame 4 is installed within the main building 11. The cantilevered balcony includes a balcony slab 1 and a cantilever beam 2. The cantilever beam 2 is installed inside the balcony slab 1. Both the cantilever beam 2 and the steel frame 4 are made of I-beams. One end of the cantilever beam 2 passes through the exterior wall and is embedded in the main building 11, while the other end is inside the balcony slab 1, serving as a balcony support frame. The cantilever beam 2 and the steel frame 4 are interlocked and bolted together, and the joints between the cantilever beam 2 and the steel frame 4 are welded and fixed. A rear reinforcing rod 3 is installed at the end of the cantilever beam 2 embedded in the main building 11. The rear reinforcing rod 3 is fixedly connected to the upper end of the steel frame 4. This structural design can reduce the pressure exerted on the cantilever beam 2 by the balcony slab 1, making the force on both ends of the cantilever beam more balanced.

[0027] Multiple railings 7 are detachably installed on the end of the balcony slab 1 away from the main building 11. The upper end of the multiple railings is provided with a handrail 12. The two ends of the handrail 12 are provided with a crossbar 8. One end of the crossbar 8 is fixedly connected to the handrail 12, and the other end is embedded in the main building 11 and fixedly installed between the steel frame 4 and the rear reinforcing bar 3. The railings 7, handrails 12 and crossbars 8 are fixedly installed as a whole. This railing handrail structure, in combination with the crossbar, provides a pulling force towards the main building, thereby reducing the pressure of the railing handrail structure on the front end of the balcony slab 1.

[0028] The cantilever beam 2 is provided with a front reinforcing rod 10. One end of the front reinforcing rod 10 is fixedly connected to the side of the front end of the cantilever beam 2, and the other end is embedded in the building body 11 and fixedly installed between the crossbar 8 and the rear reinforcing rod 3. The front reinforcing rod 10, the guardrail 7, the handrail 12, and the crossbar 8 form a triangular structure, making the structure of the handrail 12 on the balcony board more stable.

[0029] One end of the cantilever beam 2, embedded within the main building 11, is also fixedly fitted with a lower reinforcing rod 15. The lower reinforcing rod 15 is located in the wall of the next floor and is fixedly connected to the lower end of the steel frame 4 extending to the next floor of the building. The combination of the three sets of reinforcing rods makes the connection structure between the cantilever beam 2 and the steel frame 4 more stable.

[0030] The portion of the cantilever beam 2 embedded in the building body 11 is inserted into the ground reinforcement cage 13. The ground reinforcement cage 13 is provided with a fixing component, which includes an upper fixing component 14, a lower fixing component 18, and a locking screw 17. The upper fixing component 14 and the lower fixing component 18 are provided with slots corresponding to the horizontal bars of the ground reinforcement cage 13. The upper fixing component 14 and the lower fixing component 18 can be inserted into the ground reinforcement cage 13 by means of the slots. The upper fixing component 14 and the lower fixing component 18 are fixed in position by the locking screw 17. The fixing component is clamped at the rear end of the outermost stirrup 16 of the ground reinforcement cage 13. The fixing component is fixedly installed at the end of the cantilever beam 2 with screws, so that the outermost stirrup 16 of the ground reinforcement cage 13 is clamped between the cantilever beam 2 and the fixing component, which serves to connect the cantilever beam 2 and the ground reinforcement cage 13.

[0031] Steel plate gaskets 5 are provided at the connection points between the cantilever beam 2 and the steel frame 4 and the reinforcing rod, and steel plate gaskets 5 are also provided at the connection points between the steel frame 4 and the crossbar. The use of steel plate gaskets 5 can effectively prevent adhesion between the reinforcing rod assembly and the concrete, ensuring the correct position of each reinforcing rod in the concrete.

[0032] After adopting the above technical solution, the modular cantilever building structure embeds steel frame 4 at the location where the balcony overlaps with the main building 11, connecting it to the cantilever beam 2 inserted into the main building 11. This provides a support point for the cantilever beam 2 within the main building 11, improving the stability of the cantilever balcony. Components such as railings and handrails can be installed at the front end of the balcony slab 1. In this structure, the railing 7, handrail 12, and crossbar 8 are designed as a single unit. The crossbar 8 is also connected to the steel frame 4, effectively reducing the pressure exerted on the cantilever beam 2 by the front end of the balcony slab 1. Simultaneously, the front reinforcing bar forms a more stable triangular structure with the integrated railing and handrail structure. The rear reinforcing bar 3, installed between the cantilever beam 2 and the steel frame 4, secures the end of the cantilever beam 2 embedded in the main building 11. The lower reinforcing bar 15 balances the pressure exerted on the cantilever beam 2 by the balcony slab 1. By installing three sets of reinforcing bars, the connection structure between the cantilever beam 2 and the steel frame 4 becomes more stable, resulting in a more balanced overall force distribution on the cantilever beam 2. In this structure, the cantilever beam 2 extends towards the indoor ground and is fixedly connected to the ground steel cage 13. Fixtures 14 are installed at the connection point for reinforcement, facilitating the connection and assembly of the two components and improving structural stability. This modular cantilever building structure forms a stable double-support structure, making the cantilever building more robust. Furthermore, the components are easy to assemble, providing greater stability and improving construction efficiency.

[0033] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention in any way. Although the present invention has been disclosed above with reference to preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present invention. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present invention without departing from the scope of the present invention shall still fall within the scope of the present invention.

Claims

1. A modular cantilever building structure, comprising cantilevered balconies and steel frame (4), wherein the steel frame (4) is disposed within the main building body (11), characterized in that: The cantilevered balcony includes a balcony slab (1) and a cantilever beam (2). The cantilever beam (2) is set inside the balcony slab (1). One end of the cantilever beam (2) passes through the outer wall and is embedded in the main body of the building (11). The other end is inside the balcony slab (1) as a balcony support frame. The cantilever beam (2) is fixedly connected to the steel frame (4) inside the main body of the building (11). A rear reinforcing rod (3) is set at one end of the cantilever beam (2) embedded in the main body of the building (11). The rear reinforcing rod (3) is fixedly connected to the upper end of the steel frame (4).

2. The modular cantilever building structure according to claim 1, characterized in that: Multiple railings (7) are detachably installed on the end of the balcony slab (1) away from the main building (11). The upper end of the multiple railings is provided with handrails (12). The handrails (12) are provided with crossbars (8) at both ends. One end of the crossbar (8) is fixedly connected to the handrail (12), and the other end is embedded in the main building (11) and fixedly installed between the steel frame (4) and the rear reinforcing bar (3).

3. A modular cantilever building structure according to claim 2, characterized in that: The guardrail (7), handrail (12) and crossbar (8) are fixedly installed as one unit.

4. A modular cantilever building structure according to claim 2 or 3, characterized in that: The cantilever beam (2) is provided with a front reinforcing rod (10) at the front end. One end of the front reinforcing rod (10) is fixedly connected to the side of the front end of the cantilever beam (2), and the other end is embedded in the main body of the building (11) and fixedly installed between the crossbar (8) and the rear reinforcing rod (3). The front reinforcing rod (10), the guardrail (7), the handrail (12), and the crossbar (8) form a triangular stable support structure.

5. A modular cantilever building structure according to claim 4, characterized in that: The cantilever beam (2) is embedded in the building body (11) and a lower reinforcing rod (15) is fixedly installed at one end. The lower reinforcing rod (15) is located in the wall of the next floor and is fixedly connected to the lower end of the steel frame (4) extending to the next floor of the building.

6. A modular cantilever building structure according to claim 5, characterized in that: The portion of the cantilever beam (2) embedded in the main building (11) is connected to the ground steel cage (13). The ground steel cage (13) is provided with a fixing member, which includes an upper fixing member (14), a lower fixing member (18), and a locking screw (17). The upper fixing member (14) and the lower fixing member (18) are provided with slots corresponding to the horizontal bars of the ground steel cage (13). The upper fixing member (14) and the lower fixing member (18) can be inserted into the ground steel cage (13) by means of the slots. The upper fixing member (14) and the lower fixing member (18) are fixed in position by the locking screw (17). The fixing member is clamped at the rear end of the outermost stirrup (16) of the ground steel cage (13). The fixing member is fixedly installed at the end of the cantilever beam (2) with screws, so that the outermost stirrup (16) of the ground steel cage (13) is clamped between the cantilever beam (2) and the fixing member.

7. A modular cantilever building structure according to claim 5, characterized in that: The cantilever beam (2) and the steel frame (4) are stacked crosswise and bolted together, and the joint between the cantilever beam (2) and the steel frame is welded and fixed.

8. A modular cantilever building structure according to claim 4, characterized in that: Both the cantilever beam (2) and the steel frame (4) are made of I-beams.

9. A modular cantilever building structure according to claim 4, characterized in that: Steel plate gaskets (5) are provided at the connection points between the cantilever beam (2) and the steel frame (4) and the reinforcing rod.

10. A modular cantilever building structure according to claim 4, characterized in that: A steel plate gasket (5) is provided at the connection between the steel frame (4) and the crossbar.

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