Fabricated floor slab and steel beam connecting joint

By using bolted connections between triangular profiled steel sheets and steel beams, combined with the concrete slab top, the problem of corrugated groove collapse was solved, thus improving the stability and safety of the floor slab.

CN223893535UActive Publication Date: 2026-02-10SHANGHAI ANYI FINISHED CONSTR TECH CO LTD
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Patent Information

Application Number
CN202520186251.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-06
Publication Date
2026-02-10
Estimated Expiration
2035-02-06

AI Technical Summary

Technical Problem

In existing floor slab and steel beam connection nodes, the corrugated groove is easily squeezed by external forces, causing the groove to collapse, which affects the service life of the building and endangers the safety of residents.

Method used

The triangular profiled steel sheet is fixedly connected to the steel beam with bolts and nuts, and concrete is poured on the triangular profiled steel sheet to form a concrete slab top, thus forming a stable floor slab structure.

Benefits of technology

It improves the compressive strength and stability of the floor slab, extends the service life of the building, and ensures the safety of the residents.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an assembly type floor slab and steel beam connecting node which comprises a steel beam, a triangular profiled steel sheet is arranged at the top of the steel beam, the steel beam and the triangular profiled steel sheet are fixedly connected through matching of bolts and nuts, concrete is poured on the triangular profiled steel sheet to form a concrete slab top, and the concrete slab top is connected with the triangular profiled steel sheet. And the concrete slab top and the triangular profiled steel sheet jointly form a floor slab. Compared with a traditional mode that a profiled steel sheet with a wave-shaped section is connected with a steel beam, the mode that the triangular profiled steel sheet is connected with the steel beam is more stable, the pressure resistance of the notch in the steel sheet in the floor is higher, and therefore the service life of a house is longer; and the life safety of residents can be better guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fabricated building, especially a fabricated floor slab and steel beam connecting joint. BACKGROUND

[0002] In the construction process, through the connecting joint of the steel beam and the floor slab is strengthened, can effectively ensure the service life of the house, guarantee the life safety of the household. The existing floor slab and steel beam connection mostly adopts the corrugated profiled steel sheet, there is the problem that the corrugated notch is easily extruded by external force and leads to the notch collapse, this problem not only will lead to the steel sheet collapse and thus reduce the service life of the house, but also will bring harm to the life safety of the household. Therefore, it is necessary to improve and optimize the connecting mode of the floor slab and the steel beam. SUMMARY

[0003] The utility model discloses a fabricated floor slab and steel beam connecting joint to solve the problem of low service life of house caused by floor slab and harm to the safety of the household.

[0004] The utility model discloses a fabricated floor slab and steel beam connecting joint, including steel beam, the top of steel beam is provided with triangle profiled steel sheet, steel beam and triangle profiled steel sheet are fixedly connected through the cooperation of bolt and nut, the concrete slab top is formed by pouring concrete on triangle profiled steel sheet, and the concrete slab top and triangle profiled steel sheet jointly constitute floor slab.

[0005] Further technical of the utility model:

[0006] Preferably, the steel beam includes a beam body and a beam side plate, the beam side plate is arranged on the upper and lower sides of the beam body respectively, a plurality of first threaded holes are arranged on the top of the beam side plate, the first threaded holes are arranged at the central position of the beam side plate and penetrate into the interior of the beam body, a plurality of second threaded holes are arranged on the side of the first threaded holes, and the second threaded holes penetrate through the bottom of the beam side plate.

[0007] Preferably, the triangle profiled steel sheet includes a triangle notch and a steel sheet bottom piece, the triangle notch and the steel sheet bottom piece are connected alternately, a plurality of third threaded holes corresponding to the first threaded holes are arranged on the steel sheet bottom piece for the first bolt to penetrate and fix the triangle profiled steel sheet on the steel beam.

[0008] Preferably, a plurality of fourth threaded holes corresponding to the second threaded holes are arranged on the side of the third threaded holes for the second bolt to reinforce the connection between the triangle profiled steel sheet and the steel beam.

[0009] Preferably, the second bolt is provided with a first nut at the bottom.

[0010] Preferably, the cross-section of the triangular groove is a right triangle, and the right-angled side of the triangular groove makes the floor slab composed of the concrete slab top and the triangular profiled steel plate more stable.

[0011] The beneficial effects of this utility model are:

[0012] This utility model adopts a method of connecting triangular profiled steel plates to steel beams. Compared with the traditional method of connecting profiled steel plates with corrugated cross sections to steel beams, the method of connecting triangular profiled steel plates to steel beams is more stable. The grooves on the steel plates inside the floor slab have stronger compressive strength, thus extending the service life of the building and better protecting the lives of residents.

[0013] Other features and advantages of this invention will be described in detail in the following specific embodiments. Attached Figure Description

[0014] Figure 1 This is a structural schematic diagram of the connection node between the floor slab and the steel beam of this utility model;

[0015] Figure 2 This is a schematic diagram of the steel beam structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the triangular profiled steel sheet of this utility model;

[0017] In the diagram: 10, steel beam; 101, beam body; 102, side beam plate; 103, first threaded hole; 104, second threaded hole; 20, triangular profiled steel sheet; 201, triangular groove; 202, steel plate base; 203, third threaded hole; 204, fourth threaded hole; 30, concrete slab top; 40, first bolt; 50, second bolt; 60, first nut. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0019] Please see Figures 1-3In this embodiment, a prefabricated floor slab and steel beam connection node is provided, including a steel beam 10. A triangular profiled steel plate 20 is provided on the top of the steel beam 10. The steel beam 10 and the triangular profiled steel plate 20 are fixedly connected by bolts and nuts. Concrete is poured on the triangular profiled steel plate 20 to form a concrete slab top 30. The concrete slab top 30 and the triangular profiled steel plate 20 together form a floor slab.

[0020] Construction methods

[0021] Specifically, such as Figure 1 As shown, a triangular profiled steel plate 20 is provided on the top of the steel beam 10, and a concrete slab top 30 formed by pouring concrete is provided on the top of the triangular profiled steel plate 20. The triangular profiled steel plate 20 and the concrete slab top 30 together form a floor slab. The triangular profiled steel plate 20 is fixed to the steel beam 10 by bolts and nuts, thereby connecting the floor slab to the steel beam 10.

[0022] Specifically, such as Figure 2 As shown, the steel beam 10 includes a beam body 101 and side beam plates 102. The side beam plates 102 are respectively disposed on the upper and lower sides of the beam body 101, thereby forming an "I" shaped steel beam. The top of the side beam plate 102 is provided with a plurality of first threaded holes 103. The plurality of first threaded holes 103 are disposed at the center of the side beam plate 102 and extend through to the interior of the beam body 101. A plurality of second threaded holes 104 are disposed on the side of the first threaded holes 103 and extend through the bottom of the side beam plate 102.

[0023] Specifically, such as Figure 3 As shown, the triangular profiled steel plate 20 includes a triangular groove 201 and a steel plate base 202. The triangular groove 201 and the steel plate base 202 are arranged alternately. The cross-section of the triangular groove 201 is a right triangle. Because triangles have stability and because they have right-angled sides, they have higher stability and stronger compressive and tensile strength. The steel plate base 202 is provided with a plurality of third threaded holes 203 corresponding to a plurality of first threaded holes 103. The triangular profiled steel plate 20 is fixed to the top of the steel beam 10 by the first bolt 40. A plurality of fourth threaded holes 204 corresponding to second threaded holes 104 are provided on the side of the third threaded holes 203. The triangular profiled steel plate 20 and the steel beam 10 are reinforced by the second bolt 50. The bottom of the second bolt 50 is provided with a first nut 60 to facilitate tightening the second bolt 50 for reinforcement connection.

[0024] In the description of this utility model, it should be noted that the terms "vertical", "up", "down", "horizontal", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0026] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. A prefabricated floor slab and steel beam connection node, characterized in that, The system includes a steel beam (10), on the top of which is a triangular profiled steel plate (20). The steel beam (10) and the triangular profiled steel plate (20) are fixedly connected by bolts and nuts. Concrete is poured on the triangular profiled steel plate (20) to form a concrete slab top (30). The concrete slab top (30) and the triangular profiled steel plate (20) together form a floor slab.

2. The prefabricated floor slab and steel beam connection node according to claim 1, characterized in that, The steel beam (10) includes a beam body (101) and a beam side plate (102). The beam side plate (102) is respectively disposed on the upper and lower sides of the beam body (101). The top of the beam side plate (102) is provided with a plurality of first threaded holes (103). The plurality of first threaded holes (103) are disposed in the center of the beam side plate (102) and extend into the interior of the beam body (101). A plurality of second threaded holes (104) are provided on the side of the first threaded holes (103). The second threaded holes (104) extend through the bottom of the beam side plate (102).

3. The prefabricated floor slab and steel beam connection node according to claim 2, characterized in that, The triangular profiled steel plate (20) includes a triangular groove (201) and a steel plate base plate (202). The triangular groove (201) and the steel plate base plate (202) are connected in an alternating manner. The steel plate base plate (202) is provided with a plurality of third threaded holes (203) corresponding to the plurality of first threaded holes (103) for the first bolt (40) to pass through and fix the triangular profiled steel plate (20) to the steel beam (10).

4. The prefabricated floor slab and steel beam connection node according to claim 3, characterized in that, The third threaded hole (203) is provided with a plurality of fourth threaded holes (204) corresponding to the second threaded hole (104) for the second bolt (50) to reinforce the connection between the triangular profiled steel plate (20) and the steel beam (10).

5. The prefabricated floor slab and steel beam connection node according to claim 4, characterized in that, The second bolt (50) has a first nut (60) at its bottom.

6. The prefabricated floor slab and steel beam connection node according to claim 3, characterized in that, The triangular groove (201) has a right-angled triangle cross section. The right-angled side of the triangular groove (201) makes the floor slab composed of the concrete slab top (30) and the triangular profiled steel plate (20) more stable.