Composite floor slab connecting structure
Through the combined structure of base plate, plywood, cast-in-place layer and prefabricated board, the problem of insufficient stability in large spans or high-rise buildings is solved, and a high stability and flexibility of overlapping floor connecting structure is achieved.
Patent Information
- Application Number
- CN202422416711.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-10-08
AI Technical Summary
The traditional overlapping floor connecting structure is insufficient in large spans or high-rise buildings, and is prone to loosening and deforming, affecting the safety and service life of the building.
A combined structure of bottom plate, plywood and cast-in-place layer is adopted. A slot is provided on the plywood to connect to the cast-in-place layer, prefabricated plates are fixed with the plywood, steel frames and fastening bolts are used for support and fixing, brackets and hemp steel are used to enhance support, and stability and flexibility are improved through the synergy of multiple components.
It improves the stability and reliability of the overlapping floor slabs, enhances the overall stability and flexibility of the structure, and adapts to different construction needs.
Smart Images

Figure CN223135452U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction engineering, and more specifically, to a connecting structure for a composite floor slab. Background Art
[0002] In modern architecture, composite floor slabs are widely used due to their good structural performance and construction efficiency. However, traditional connecting structures for composite floor slabs often have problems such as insufficient stability, high construction complexity, and easy displacement, especially in the application of large-span or high-rise buildings. After bearing large loads or long-term use, loosening, deformation, and other phenomena are likely to occur, affecting the overall safety and service life of the building.
[0003] Therefore, it is necessary to improve the existing technology. Summary of the Utility Model
[0004] In order to overcome the deficiencies in the prior art, a connecting structure for a composite floor slab with high stability, not easy to loosen and deform is provided.
[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is as follows:
[0006] A connecting structure for a composite floor slab, which includes a bottom plate, clamping plates, and a cast-in-place layer. There are two clamping plates, which are respectively arranged on the front and rear sides of the bottom plate. Clamping grooves are arranged on the end faces of the two clamping plates close to each other. The cast-in-place layer is arranged between the two clamping plates and is connected to the clamping grooves;
[0007] A precast slab is arranged at the upper end of the clamping plate, and both sides of the precast slab are fixedly connected to the two clamping plates;
[0008] A steel frame is fixedly arranged at the top end of the precast slab.
[0009] Preferably, steel bars for reinforcement are fixedly connected inside the bottom plate.
[0010] Preferably, grooves are arranged on the front and rear sides of the top of the bottom plate, and convex blocks inserted into the grooves are fixedly arranged at the bottom of the clamping plate.
[0011] Preferably, a plurality of fastening bolts are fixedly arranged at the upper end of the clamping plate. Through holes matched with the fastening bolts are arranged on the precast slab. The upper end of the fastening bolt penetrates through the through hole and is connected with a gasket and a nut.
[0012] Preferably, it further includes hemp steel. A plurality of brackets are fixedly installed at the top of the precast slab. Circular grooves are arranged at the upper ends of the brackets. The hemp steel is arranged in the circular grooves of the plurality of brackets and is fixedly connected to the brackets.
[0013] Preferably, the hemp steel includes transverse hemp steel and longitudinal hemp steel.
[0014] Preferably, the steel frame is connected to the reserved holes on the precast slab through screws.
[0015] Preferably, transfer plates are arranged on both sides of the cast-in-place layer and are connected to the clamping plates through the transfer plates.
[0016] The beneficial effects of the present utility model compared with the prior art are as follows:
[0017] Through the cooperative arrangement of the bottom plate, the clamping plate and the cast-in-place layer, the present utility model can use the bottom plate to fixedly support the clamping plate, ensuring the stability of the bottom of the device. At the same time, the clamping plate is used to position the cast-in-place layer, ensuring the overall stability of the device and increasing the stability and reliability of the device. Through the cooperative arrangement of the bracket and the fastening bolt, the middle part of the device can be fixedly supported by the bracket, and the fixed position can be adjusted as needed. The fastening bolt can flexibly fix the device, increasing the flexibility of the device. Through the cooperative arrangement of the precast slab and the steel frame, the precast slab can be used to fixedly support the steel frame, and then support and fix the structure on the top of the precast slab, increasing the practicability of the device. Description of the Drawings
[0018] The following will further elaborate on the specific implementation manners of the present utility model through the drawings.
[0019] Figure 1 is a schematic structural diagram of the present utility model;
[0020] Figure 2 is a schematic structural diagram of the bottom plate of the present utility model;
[0021] Figure 3 is a schematic structural diagram of the cast-in-place layer of the present utility model;
[0022] Figure 4 is a schematic structural diagram of the bracket of the present utility model;
[0023] Figure 5 is a schematic structural diagram of the precast slab of the present utility model.
[0024] In the figure: 1, bottom plate; 2, clamping plate; 3, cast-in-place layer; 4, bracket; 5, fastening bolt; 6, precast slab; 7, steel frame; 8, steel bar; 9, groove; 10, card slot; 11, convex block; 12, transfer plate; 13, round groove; 14, hemp steel; 15, nut; 16, gasket; 17, screw hole; 18, screw; 19, reserved hole. Specific Implementation Manners
[0025] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present utility model.
[0026] A laminated floor connection structure includes a bottom plate 1, clamping plates 2, and a cast-in-place layer 3. There are two clamping plates 2 which are respectively arranged on the front and rear sides of the bottom plate 1. Clamping grooves 10 are arranged on the end faces of the two clamping plates 2 close to each other. The cast-in-place layer 3 is arranged between the two clamping plates 2 and is connected to the clamping grooves 10. Through the coordinated configuration of the bottom plate 1, the clamping plates 2, and the cast-in-place layer 3, the bottom plate 1 is used to stably support the clamping plates 2, ensuring the stability of the bottom of the device. At the same time, the clamping plates 2 are used to position the cast-in-place layer 3, guaranteeing the stability of the overall structure of the device.
[0027] To facilitate the connection between the clamping plates 2 and the bottom plate 1, grooves 9 are arranged on the front and rear sides of the top of the bottom plate 1, and convex blocks 11 inserted into the grooves 9 are fixedly arranged at the bottom of the clamping plates 2. The reliable connection between the clamping plates 2 and the bottom plate 1 is achieved by inserting the convex blocks 11 into the corresponding grooves 9.
[0028] To improve the strength of the bottom plate 1, reinforcing bars 8 for reinforcement are fixedly connected inside the bottom plate 1.
[0029] Preferably, transfer plates 12 are arranged on both sides of the cast-in-place layer 3, and the cast-in-place layer 3 is connected to the clamping plates 2 through the transfer plates 12.
[0030] A precast slab 6 is arranged at the upper end of the clamping plate 2, and both sides of the precast slab 6 are fixedly connected to the two clamping plates 2. Specifically, a plurality of fastening bolts 5 are fixedly arranged at the upper end of the clamping plate 2, through holes 17 matching the fastening bolts 5 are arranged on the precast slab 6, the upper ends of the fastening bolts 5 penetrate through the through holes 17 and are connected with washers 16 and nuts 15, and are locked by the nuts 15.
[0031] A steel frame 7 is fixedly arranged at the top end of the precast slab 6, and the steel frame 7 is connected to the reserved holes 19 on the precast slab 6 through screws 18.
[0032] A number of brackets 4 are fixedly installed on the top of the precast slab 6. Circular grooves 13 are arranged at the upper ends of the brackets 4, and hemp steel 14 is arranged in the circular grooves 13 of the plurality of brackets 4 and is fixedly connected to the brackets 4. Preferably, the hemp steel 14 includes transverse hemp steel and longitudinal hemp steel.
[0033] Operation steps:
[0034] First, align the bump 11 at the bottom of the splint 2 with the groove 9 of the bottom plate 1 for installation to ensure the stability of the splint 2. Secondly, install the cast-in-place layer 3 on one side of the splint 2, which is snap-connected to the card slot 10 of the splint 2 through the adapter plate 12. Install the bracket 4 on the top of the cast-in-place layer 3, and place the hemp steel 14 on the top of the bracket 4 to enhance the support. Then, connect the fastening bolt 5 with the through hole 17 of the precast slab 6, add the gasket 16 and tighten the nut 15 during the installation process. Finally, install the steel frame 7 on the top of the precast slab 6 and fix it with the screw 18.
[0035] The above only elaborates on the preferred embodiments of the present invention in detail. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art, various changes can be made without departing from the purpose of the present invention, and all such changes should be included within the protection scope of the present invention.
Claims
1. A connecting structure for a composite floor slab, characterized in that: It includes a bottom plate (1), clamping plates (2) and a cast-in-place layer (3). There are two clamping plates (2) which are respectively arranged on the front and rear sides of the bottom plate (1). Claw slots (10) are arranged on the end faces of the two clamping plates (2) close to each other. The cast-in-place layer (3) is arranged between the two clamping plates (2) and is connected to the claw slots (10). A precast slab (6) is arranged at the upper end of the clamping plate (2). The two sides of the precast slab (6) are fixedly connected to the two clamping plates (2). A steel frame (7) is fixedly arranged at the top of the precast slab (6).
2. The composite floor slab connection structure according to claim 1, wherein: Reinforcing bars (8) for reinforcement are fixedly connected inside the bottom plate (1).
3. A composite floor slab connection structure according to claim 1, characterized in that: Grooves (9) are arranged on the front and rear sides of the top of the bottom plate (1). Protrusions (11) inserted into the grooves (9) are fixedly arranged at the bottom of the clamping plates (2).
4. A composite floor slab connection structure according to claim 1, characterized in that: A plurality of fastening bolts (5) are fixedly arranged at the upper end of the clamping plate (2). Through holes (17) matching with the fastening bolts (5) are arranged on the precast slab (6). The upper ends of the fastening bolts (5) penetrate through the through holes (17) and are connected with washers (16) and nuts (15).
5. A composite floor slab connection structure according to claim 1, characterized in that: It also includes hemp steel (14). A number of brackets (4) are fixedly installed at the top of the precast slab (6). Round grooves (13) are arranged at the upper ends of the brackets (4). The hemp steel (14) is arranged in the round grooves (13) of the plurality of brackets (4) and is fixedly connected to the brackets (4).
6. A composite floor slab connection structure according to claim 5, characterized in that: The hemp steel (14) includes transverse hemp steel and longitudinal hemp steel.
7. A composite floor slab connection structure according to claim 1, characterized in that: The steel frame (7) is connected to the reserved holes (19) on the precast slab (6) through screws (18).
8. A composite floor slab connection structure according to claim 1, characterized in that: Transfer plates (12) are arranged on both sides of the cast-in-place layer (3) and are connected to the clamping plates (2) through the transfer plates (12).