Assembly structure of foam steel floor slab and steel beam

Abstract

The present application discloses an assembly structure of a foam steel floor and a steel beam, comprising a foam steel floor, a steel beam, a connecting piece, a first fastener, a base, and a second fastener. A base with threaded holes is welded and fixed to the top surface of the steel beam. The bottom edge of the foam steel floor is overlapped on the top surface of the steel beam. A connecting piece with avoidance holes corresponding to the positions of the threaded holes is stacked on the top surface of the base. The outer periphery of the connecting piece protruding from the base is a pressing portion, which is pressed against the top surface of the foam steel floor. The area where the top surface of the foam steel floor is in contact with the pressing portion is a sedimentation trough. The first fastener penetrates the avoidance hole on the connecting piece and cooperates with the threaded hole of the base. The pressing portion of the connecting piece is fixed to the foam steel floor through the second fastener.

Description

Technical Field

[0001] The present application relates to the technical field of building structures, and in particular to an assembly structure of foam steel floor slabs and steel beams. Background Art

[0002] The rapid development of the prefabricated construction industry in recent years has enabled some buildings in infrastructure projects to be spliced ​​and assembled on site. Prefabricated buildings are mainly used in house construction.

[0003] At present, the main steel structure of housing construction is mainly assembled on site through steel beams, steel columns and prefabricated concrete floor slabs, and finally concrete is poured in the gaps between the assembled steel structures or at the connection and installation positions. During construction, the prefabricated concrete floor slabs are heavy, which makes the hoisting process difficult, and also has poor sound insulation and heat insulation, which affects the living comfort of the house users.

[0004] In addition to the problems of prefabricated concrete floors themselves, the connection structure between the floor and the steel beam is also relatively complicated. For example, the patent document with publication number: CN 209194816 U mentions a connection structure between a prefabricated assembled concrete floor and a steel beam. However, after the prefabricated concrete floor is assembled, it is easy to deviate before the concrete is poured, which will cause secondary rework and affect the construction progress. In addition, a slide rail is welded on the steel beam, and then the steel beam and the prefabricated concrete floor are connected by bolt and nut assemblies and cover plates. The structure is complicated and the construction cost is increased. Summary of the invention

[0005] The present application provides an assembly structure that is simple in structure and easy to install.

[0006] The assembly structure of the foam steel floor and the steel beam of the present application comprises a foam steel floor, a steel beam and a connecting piece, wherein a base with a threaded hole is fixed on the top surface of the steel beam, and the connecting piece is superimposed on the top surface of the base and has an avoidance hole corresponding to the position of the threaded hole;

[0007] The bottom surface of the foam steel floor is placed on the top surface of the steel beam, and at least a part of the connecting piece is a pressing portion extending out of the periphery of the base, and the pressing portion is located on the top surface of the foam steel floor;

[0008] The assembly structure also includes a first fastener penetrating the avoidance hole and cooperating with the threaded hole, and a second fastener fixing the pressing portion to the foam steel floor.

[0009] Several optional methods are also provided below, but they are not intended to be additional limitations on the above-mentioned overall solution, but are merely further supplements or preferences. Under the premise that there are no technical or logical contradictions, each optional method can be combined with the above-mentioned overall solution separately, and multiple optional methods can also be combined.

[0010] Optionally, the foam steel floor slab is a plurality of pieces spliced ​​in sequence, and two adjacent foam steel floor slabs are placed on the same steel beam along the width direction of the steel beam and are compressed by the same connecting piece.

[0011] Optionally, a gap is left between two adjacent foam steel floor slabs, and the gap is filled with a rubber strip.

[0012] Optionally, the adhesive strip also covers the connecting piece and each fastener.

[0013] Optionally, the top surfaces of the rubber strip and the foam steel floor are flush.

[0014] Optionally, there are multiple bases, which are arranged at intervals along the length direction of the steel beam.

[0015] Optionally, a sedimentation groove is provided at a position where the top surface of the foam steel floor slab cooperates with the pressing portion, and the depth of the sedimentation groove corresponds to the thickness of the pressing portion.

[0016] Optionally, the shape of the sedimentation tank is adapted to the pressing portion.

[0017] Optionally, the connecting member is a plate-like structure, and its length direction is perpendicular to the extension direction of the steel beam.

[0018] Optionally, in the length direction of the connecting member, the avoidance hole is located in the middle of the connecting member.

[0019] The assembly structure of the present application has at least the following technical effects: simple structure, flexible construction, and the house manufactured with the assembly structure has good sound insulation and heat insulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a top view of the assembly structure of this application;

[0021] Figure 2 This is a schematic diagram of the structure of the assembly structure of this application from a horizontal perspective;

[0022] Figure 3 for Figure 2 A magnified view of part A;

[0023] The reference numerals in the figures are described as follows:

[0024] 1. Foam steel floor; 2. Steel beam; 3. Second fastener; 4. First fastener; 5. Connector; 6. Base. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0026] It should be noted that when a component is referred to as being "connected" to another component, it may be directly connected to the other component or there may be a central component. When a component is referred to as being "disposed on" another component, it may be directly disposed on the other component or there may be a central component at the same time.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those generally understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0028] In this application, the terms "first", "second", etc. are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number or order of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0029] See also Figure 1 to Figure 3 In this embodiment, the assembly structure of the foam steel floor and the steel beam includes a foam steel floor 1, a steel beam 2, and a connecting piece 5, wherein a base 6 with threaded holes is fixed on the top surface of the steel beam 2, and the connecting piece 5 is superimposed on the top surface of the base 6 and has an avoidance hole corresponding to the position of the threaded hole.

[0030] The bottom surface of the foam steel floor 1 is placed on the top surface of the steel beam 2 , and at least a part of the connecting member 5 is a pressing portion extending out of the periphery of the base 6 , which is located on the top surface of the foam steel floor 1 .

[0031] The assembly structure further includes a first fastener 4 penetrating the avoidance hole and cooperating with the threaded hole, and a second fastener 3 fixing the pressing portion to the foam steel floor slab 1 .

[0032] Foam steel is a composite material with a porous structure formed in a metal matrix. It can be made by conventional techniques, such as mixing metal powder and a pore-forming agent, and then pressing and sintering.

[0033] The steel beam 2 can be made of I-beam or other cross-sectional shapes. A base 6 is welded and fixed on the top surface of the steel beam 2. The base 6 has threaded holes. The base 6 can also directly use thick nuts with threads, and the material should be easy to weld with the steel beam 2.

[0034] There is no strict restriction on the shape of the connecting member 5. In order to facilitate the assembling of multiple components, the overall shape is roughly strip-shaped and has the necessary strength. The connecting member 5 has an avoidance hole with a diameter larger than the threaded hole (for example, 2 mm larger than the threaded hole), and the connecting member 5 is superimposed on the top surface of the base 6. The part of the connecting member 5 that extends beyond the outer periphery of the base 6 is in contact with the top surface of the foam steel floor 1, and the contact portion is the pressing portion of the connecting member 5.

[0035] During installation, the first fastener 4 can be used to pass through the avoidance hole of the connecting piece 5, and tightened with the threaded hole of the base 6 until the connecting piece 5 is pressed tightly. At this time, the pressing part of the connecting piece 5 presses the foam steel floor 1, and then the second fastener 3 is used to fix both the foam steel floor 1 and the connecting piece 5.

[0036] The first fastener 4 and the second fastener 3 can adopt existing technology. For example, the first fastener 4 can be a bolt matched with the base 6, and the second fastener 3 can be a self-tapping screw for easy installation.

[0037] The main parts used in the assembly structure of the foam steel floor and the steel beam are easy to process and the on-site construction is flexible. The foam steel floor 1 has the advantages of light weight, excellent sound insulation and heat insulation, and convenient construction. Compared with the prior art, the assembly structure of this embodiment eliminates the slide rail and also takes into account the structural strength.

[0038] The specific structure and design arrangement during the assembly process will be further described in the following corresponding embodiments.

[0039] See also Figure 1 and Figure 2 In another embodiment, the foam steel floor slab 1 is composed of multiple pieces spliced ​​in sequence, and two adjacent foam steel floor slabs 1 are placed on the same steel beam 2 along the width direction of the steel beam 2 and are compressed by the same connecting piece 5.

[0040] Each foam steel floor slab 1 is a rectangular parallelepiped structure, and its four sides are respectively placed on the top surfaces of four steel beams 2 and at a certain distance from the axial center line of the steel beams 2. Two adjacent foam steel floor slabs 1 are compressed by the same connecting piece 5. After assembly, a gap is left between the two adjacent foam steel floor slabs 1 to compensate for a small amount of relative movement or deformation.

[0041] This layout improves the supporting force of each foam steel floor slab 1 and ensures the strength of the connection structure. Two adjacent foam steel floor slabs 1 are pressed by the same connecting piece 5, which reduces the number of connecting pieces 5 to be installed.

[0042] In another embodiment, a gap is left between two adjacent foam steel floor slabs 1, and the gap is filled with a rubber strip. The rubber strip can be prefabricated and directly embedded in the gap to fill it when in use. In a preferred embodiment, the rubber strip also covers the connector and each fastener, that is, the connector 5, the base 6, the steel beam 2, the first fastener 4 and the second fastener 3 are all covered. Except for the foam steel floor slab 1, no other parts are exposed, which can isolate most of the air and play an effective anti-rust effect. In addition, the rubber strip can also be formed by applying liquid (or paste) glue on site, or it can be formed by filling and curing with existing caulking agents.

[0043] This embodiment uses rubber strips to fill and cover the gaps. After construction, the rubber strips and the top surfaces of the foam steel floor are flush. By replacing the existing concrete pouring method, the process of preparing concrete on site is omitted, and wet work on site is avoided. In addition, the rubber strips themselves have a certain elasticity and can absorb the displacement or deformation of the foam steel floor on both sides.

[0044] See also Figure 1 In another embodiment, there are multiple bases 6, which are arranged at intervals along the length direction of the steel beam 2.

[0045] The number of bases 6 is not less than 2, and the specific number and arrangement interval are designed according to the length of the steel beam 2, and the interval distance ranges between 200-500mm, so as to ensure the strength of the connection structure.

[0046] Considering the force relationship between the foam steel floor 1 and the connecting member 5, in another embodiment, Figure 3 A sedimentation trough is provided at the position where the top surface of the foam steel floor slab 1 matches the pressing part, and the depth of the sedimentation trough corresponds to the thickness of the pressing part. In a preferred embodiment, the shape of the sedimentation trough is adapted to the pressing part.

[0047] The sedimentation trough is recessed relative to other areas of the top surface of the foam steel floor 1, which is convenient for pre-positioning of the foam steel floor 1 during installation. The sedimentation trough can be pre-processed or grooved on site, and the connecting piece 5 does not protrude from the top surface of the foam steel floor 1 after assembly.

[0048] In another embodiment, the connector 5 is a plate-like structure, and its length direction is perpendicular to the extension direction of the steel beam 2. The center of the avoidance hole is located at the center of the length direction of the connector 5, ensuring that the vertical projection areas of the pressing parts on both sides are the same, so that the pressure on the settlement troughs of the two adjacent foam steel floor slabs 1 is the same, avoiding uneven stress distribution.

[0049] The assembly structure of the foam steel floor slab and the steel beam of the present application is simple and easy to maintain and operate.

[0050] The technical features of the above-mentioned embodiments can be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification. When the technical features in different embodiments are embodied in the same figure, it can be regarded that the figure also discloses the combination examples of the various embodiments involved.

[0051] The above-mentioned embodiments only express several implementation methods of the present application, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the patent application. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present application, and these all belong to the protection scope of the present application.

Claims

1. The assembly structure of foam steel floor and steel beam comprises foam steel floor, steel beam and connecting parts, characterized in that: A base with threaded holes is fixed on the top surface of the steel beam, and the connecting piece is stacked on the top surface of the base and has avoidance holes corresponding to the positions of the threaded holes; The bottom surface of the foam steel floor is placed on the top surface of the steel beam, and at least a part of the connecting piece is a pressing portion extending out of the periphery of the base, and the pressing portion is located on the top surface of the foam steel floor; The assembly structure also includes a first fastener that passes through the avoidance hole and matches the threaded hole, and a second fastener that fixes the pressing portion to the foam steel floor. The first fastener is a bolt, and the second fastener is a self-tapping screw.

2. The assembly structure of foam steel floor and steel beam according to claim 1, characterized in that: The foam steel floor slab is composed of a plurality of pieces which are sequentially spliced ​​together, and two adjacent foam steel floor slabs are placed on the same steel beam along the width direction of the steel beam and are compressed by the same connecting piece.

3. The assembly structure of foam steel floor slab and steel beam according to claim 2 is characterized in that: There is a gap between two adjacent foam steel slabs, which is filled with rubber strips.

4. The assembly structure of foam steel floor slab and steel beam according to claim 3 is characterized in that: The adhesive strip also covers the connecting piece and each fastener.

5. The assembly structure of foam steel floor slab and steel beam according to claim 4, characterized in that: The top surfaces of the rubber strip and the foam steel floor are flush.

6. The assembly structure of foam steel floor slab and steel beam according to claim 1, characterized in that: There are multiple bases, which are arranged at intervals along the length direction of the steel beam.

7. The assembly structure of foam steel floor slab and steel beam according to claim 1, characterized in that: A sedimentation groove is provided at a position where the top surface of the foam steel floor slab matches the pressing portion, and the depth of the sedimentation groove corresponds to the thickness of the pressing portion.

8. The assembly structure of foam steel floor slab and steel beam according to claim 7, characterized in that: The shape of the sedimentation tank is adapted to the pressing portion.

9. The assembly structure of foam steel floor slab and steel beam according to claim 1, characterized in that: The connecting piece is a plate-like structure, and its length direction is perpendicular to the extension direction of the steel beam.

10. The assembly structure of foam steel floor slab and steel beam according to claim 9, characterized in that: In the length direction of the connecting member, the avoidance hole is located in the middle of the connecting member.

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