Double-edgefold M-shaped steel bar truss floor support plate

Abstract

The utility model discloses a double-edgefold M-shaped steel bar truss floor support plate, which relates to the technical field of building construction and comprises an M-shaped bottom plate, steel beams arranged on two sides of the M-shaped bottom plate, a floor support plate stability reinforcing component, a mounting component and a steel bar truss component. The shear keys and the shear key holes are arranged, and the ribbed steel bars are adopted, so that the bonding force between the floor support plate and the concrete is enhanced, the floor support plate and the concrete form a whole, and the structural stability and the bearing capacity of the floor support plate are improved; according to the structural design of the M-shaped bottom plate of the floor support plate and the arrangement of the steel bar trusses, the moment of inertia of the section of the floor support plate is increased, the rigidity of the floor support plate is improved, and deformation of the floor support plate when the floor support plate bears loads is effectively reduced; the installation holes in the double-edgefold structure of the floor support plate facilitate connection between the adjacent floor support plates, the limiting plates facilitate positioning of the steel bar truss, and the installation efficiency of a construction site is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to building construction technical field, concretely is a kind of double folded edge M type steel bar truss floor support plate. BACKGROUND

[0002] In modern construction engineering, floor support plate as an important building material is widely used in the floor structure of various buildings. The bonding performance of traditional floor support plate and concrete is poor, which limits the overall structural stability and bearing capacity of the floor. The traditional floor support plate lacks stiffness and is prone to deformation when subjected to large loads, affecting the flatness and safety of the floor. The installation efficiency of the traditional floor support plate on the construction site is not high, which increases the construction period and cost SUMMARY

[0003] The utility model provides a kind of double folded edge M type steel bar truss floor support plate, with the advantages of stable structure, high stiffness and fast installation, to solve the problems of insufficient bearing capacity, easy deformation and low installation efficiency of existing floor support plate.

[0004] To achieve the above purpose, the utility model provides the following technical scheme: a kind of double folded edge M type steel bar truss floor support plate, including M type bottom plate and steel beam arranged on the both sides of the M type bottom plate, further including floor support plate stability reinforcing assembly, mounting assembly and steel bar truss assembly, wherein:

[0005] The M type bottom plate includes symmetrically inclined side plates, the bottom of the side plates is welded to each other, and the top of the side plates is welded with a vertical straight plate, and the M type bottom plate is a steel plate;

[0006] The floor support plate stability reinforcing assembly includes a shear key hole, the shear key hole is fitted with a shear key, the steel bar truss assembly includes symmetrically arranged lower chord steel bars, the upper chord steel bars are arranged above the lower chord steel bars, and the outer sides of the lower chord steel bars and the upper chord steel bars are provided with a plurality of ribs;

[0007] The mounting assembly includes an outer folded edge, the outer folded edge is an inverted Z-shaped structure, one end of the outer folded edge is welded to the bottom of the straight plate, the outer folded edge abuts against the inner folded edge and is nested, and mounting holes are arranged on the top of the outer folded edge and the inner folded edge.

[0008] As a preferred technical scheme of the utility model, the inner folded edge is an inclined seven-shaped structure, a horizontal plate is welded between adjacent straight plates, and shear key holes are arranged on the horizontal plate and the side plates.

[0009] As a preferred technical scheme of the utility model, the shear key includes a welding pin, the welding pin is welded to a stud at the bottom end, the stud is fitted with a bolt and is screwed, and the stud penetrates the shear key hole.

[0010] As a preferred technical scheme of the utility model, the mounting hole of the outer folded edge and the inner folded edge is symmetrically arranged, and the mounting hole is embedded with a knock type rivet.

[0011] As a preferred technical scheme of the utility model, the horizontal plate top surface is symmetrically welded with a limiting plate, the limiting plate is arranged on one side of the shear key, and the limiting plate is in a rectangular shape.

[0012] As a preferred technical scheme of the utility model, one side of the lower chord steel bar abuts against the limiting plate, and the other side is welded with the bottom of the web steel bar, and one side of the top of the web steel bar is welded with the upper chord steel bar.

[0013] As a preferred technical scheme of the utility model, the web steel bars are welded with each other, vertical steel bars are welded at both ends of the upper chord steel bar, and steel beams are welded at the bottom of the vertical steel bars and both ends of the lower chord steel bar.

[0014] Compared with the prior art, the utility model provides a double-folded-edge M-shaped steel bar truss floor panel, which has the following beneficial effects: the utility model is provided with a shear key and a shear key hole and adopts ribbed steel bars, the adhesion between the floor panel and the concrete is enhanced, the floor panel and the concrete form an integral whole, the structural stability and the bearing capacity of the floor panel are improved, the structural design of the M-shaped bottom plate of the floor panel and the arrangement of the steel bar truss increase the sectional moment of inertia of the floor panel, the rigidity of the floor panel itself is improved, and the deformation of the floor panel when bearing load is effectively reduced, the mounting hole on the double-folded-edge structure of the floor panel is convenient for the connection between adjacent floor panels, the limiting plate is convenient for the positioning of the steel bar truss, and the installation efficiency of the construction site is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the utility model;

[0016] Figure 2 It is an M-shaped bottom plate structure view of the utility model;

[0017] Figure 3 It is a floor panel stability reinforcing assembly structure view of the utility model;

[0018] Figure 4 It is an installation assembly structure view of the utility model;

[0019] Figure 5 It is a shear key structure view of the utility model;

[0020] Figure 6 It is a steel bar truss assembly structure view of the utility model.

[0021] In the figure: 1, M-shaped bottom plate; 2, steel beam; 3, floor support plate stability reinforcing assembly; 4, mounting assembly; 5, steel bar truss assembly; 11, side plate; 12, straight plate; 31, shear key hole; 32, shear key; 33, rib; 41, outer folded edge; 42, inner folded edge; 43, mounting hole; 44, knock rivet; 45, limiting plate; 13, horizontal plate; 321, welding pin; 322, stud; 323, bolt; 51, lower chord steel bar; 52, upper chord steel bar; 53, web steel bar; 54, vertical steel bar. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment one

[0023] Please refer to Figures 1-6 The utility model discloses a double folded edge M-shaped steel bar truss floor support plate, including M-shaped bottom plate 1 and the steel beam 2 of being established at M-shaped bottom plate 1 both sides, still including floor support plate stability reinforcing assembly 3, mounting assembly 4 and steel bar truss assembly 5, wherein:

[0024] M-shaped bottom plate 1 includes the symmetrically inclined side plate 11 of setting, and the straight plate 12 of being welded to the top of side plate 11 is vertically arranged, and M-shaped bottom plate 1 is steel plate;

[0025] Please refer to the attached Figure 3 And Figure 6 Floor support plate stability reinforcing assembly 3 includes shear key hole 31, and shear key hole 31 is embedded shear key 32, and steel bar truss assembly 5 includes symmetrically arranged lower chord steel bar 51, and upper chord steel bar 52 is arranged above lower chord steel bar 51, and the outer side of lower chord steel bar 51 and upper chord steel bar 52 is provided with a plurality of ribs 33, specifically, shear key 32 and rib 33 can be closely connected together with steel structure and concrete structure, effectively transmit the horizontal shear between concrete slab and steel beam 2 to steel beam 2, avoid the relative slip between concrete slab and steel beam 2;

[0026] Please refer to the attached Figure 4 Mounting assembly 4 includes outer folded edge 41, and outer folded edge 41 is inverted Z-shaped structure, and outer folded edge 41 one end is welded to the bottom of straight plate 12, and outer folded edge 41 one side is abutted to inner folded edge 42 and is nested cooperation, and outer folded edge 41 and inner folded edge 42 top are provided with mounting hole 43.

[0027] The inner folded edge 42 is an inclined seven-shaped structure, and the horizontal plate 13 is welded between the adjacent straight plates 12. The shear key hole 31 is arranged on the horizontal plate 13 and the side plate 11. Specifically, the seven-shaped structure of the inner folded edge 42 matches the inverted Z-shaped structure of the outer folded edge 41, and the embedded abutment is formed.

[0028] In the embodiment, the inner folded edge 42 of one side abuts against the outer folded edge 41 between the adjacent M-shaped bottom plates 1, and the mounting hole 43 of the top is aligned and mounted to form a double-folded edge structure, which increases the rigidity of the floor deck edge and the overall structural stability. When bearing load, the double-folded edge can better disperse the pressure and reduce the possibility of deformation and warping. Embodiment two

[0029] Based on the above embodiment 1, please refer to the attached Figure 2 and Figure 5 The shear key 32 includes a welding pin 321, a threaded stud 322 welded at the bottom end of the welding pin 321, a bolt 323 embedded in the threaded stud 322 and screwing, and the threaded stud 322 penetrates the shear key hole 31.

[0030] The mounting hole 43 of the outer folded edge 41 and the inner folded edge 42 is symmetrically arranged, the mounting hole 43 is embedded with a knock-type rivet 44, and the knock-type rivet 44 is more quick during installation, which makes the outer folded edge 41 and the inner folded edge 42 quickly locked and improves the construction efficiency.

[0031] The limit plate 45 is symmetrically welded on the top surface of the horizontal plate 13, and the limit plate 45 is arranged on one side of the shear key 32. The limit plate 45 is rectangular, and the limit plate 45 quickly positions the steel bar truss to avoid inaccurate welding points.

[0032] The lower chord steel bar 51 is abutted against the limit plate 45 on one side, and the bottom of the web steel bar 53 is welded on the other side. The top of the web steel bar 53 is welded to one side of the upper chord steel bar 52.

[0033] The web steel bar 53 is welded between the web steel bars 53, and the vertical steel bar 54 is welded at both ends of the upper chord steel bar 52. The bottom of the vertical steel bar 54 and both ends of the lower chord steel bar 51 are welded to the steel beam 2.

[0034] In the embodiment, when the shear key 32 is installed, the threaded stud 322 is inserted into the shear key hole 31 from the bottom of the side plate 11 and the straight plate 12 of the M-shaped bottom plate 1, and then the bolt 323 is screwed and fixed on the M-shaped bottom plate 1. When pouring concrete, the welding pin 321 is used to strengthen the adhesion between the M-shaped bottom plate and the concrete.

[0035] The working principle and use flow of the utility model are: first, the M-shaped bottom plate 1 is hoisted to the upper side of the steel beam 2, the adjacent M-shaped bottom plates 1 are abutted through the inner folding edge 42 of one side to the outer folding edge 41, and the mounting hole 43 of the top is initially aligned, then the knocking rivet 44 is inserted into the mounting hole 43 and is knocked by the hammer, so that the adjacent M-shaped bottom plates 1 are stably connected, the installation is quick and convenient, and the construction efficiency is improved;

[0036] Then, the welded steel bar truss assembly 5 is placed between the limiting plates 45, the lower chord steel bars 51 on both sides of the bottom stably abut against the limiting plates 45, the position accuracy of the steel bar truss on the horizontal plate 13 is ensured, the welding operation in the construction process is facilitated, and the construction efficiency is improved;

[0037] Then, the steel bar truss is welded with the M-shaped bottom plate 1 and the steel beam 2 and is poured with concrete, along with the pouring of the concrete, the shear key 32 and the upper chord steel bar 52 with the rib 33 and the lower chord steel bar 51 are closely combined with the concrete, the structural stability and the bearing capacity of the floor support plate are greatly improved;

[0038] The special structure of the M-shaped bottom plate 1 and the steel bar truss provide higher rigidity for the floor support plate, can effectively bear the load in the construction and use, and ensure the stability and flatness of the floor structure.

Claims

1. A double-folded M-shaped steel bar truss floor support plate, comprising an M-shaped bottom plate (1) and steel beams (2) arranged on both sides of the M-shaped bottom plate (1), characterized in that, It also includes floor stability reinforcement assembly (3), installation assembly (4) and steel bar truss assembly (5), wherein: The M-shaped bottom plate (1) comprises symmetrically inclined side plates (11), the bottom of the side plates (11) is welded to each other, and the top of the side plates (11) is welded with a vertical straight plate (12), and the M-shaped bottom plate (1) is a steel plate; The floor stability reinforcement assembly (3) comprises a shear key hole (31), the shear key hole (31) is fitted with a shear key (32), the steel bar truss assembly (5) comprises symmetrically arranged lower chord steel bars (51), the upper chord steel bars (52) are arranged above the lower chord steel bars (51), and the outer sides of the lower chord steel bars (51) and the upper chord steel bars (52) are provided with a plurality of ribs (33); The installation assembly (4) comprises an outer folded edge (41), the outer folded edge (41) is an inverted Z-shaped structure, one end of the outer folded edge (41) is welded to the bottom of the straight plate (12), one side of the outer folded edge (41) abuts against the inner folded edge (42) and is nested and matched, and the top of the outer folded edge (41) and the inner folded edge (42) is provided with a mounting hole (43).

2. The double-folded M-shaped steel bar truss floor beam according to claim 1, characterized in that: The inner folded edge (42) is an inclined seven-shaped structure, the horizontal plates (13) are welded between the adjacent straight plates (12), and the shear key holes (31) are arranged on the horizontal plates (13) and the side plates (11).

3. The double-folded M-shaped steel bar truss floor beam according to claim 2, characterized in that: The shear key (32) comprises a welding pin (321), the bottom end of the welding pin (321) is welded with a stud (322), the stud (322) is fitted with a bolt (323) and is screwed, and the stud (322) penetrates the shear key hole (31).

4. The double-folded M-shaped steel bar truss floor beam according to claim 3, characterized in that: The mounting holes (43) of the outer folded edge (41) and the inner folded edge (42) are symmetrically arranged, and the mounting holes (43) are fitted with knock-type rivets (44).

5. The double-folded M-shaped steel bar truss floor beam according to claim 4, characterized in that: The horizontal plates (13) are symmetrically welded with limit plates (45) on the top surface, the limit plates (45) are arranged on one side of the shear key (32), and the limit plates (45) are rectangular.

6. The double-folded M-shaped steel bar truss floor beam according to claim 1, characterized in that: One side of the lower chord steel bars (51) abuts against the limit plate (45), and the other side is welded with the bottom of the web steel bar (53), the top of the web steel bar (53) is welded with one side of the upper chord steel bar (52).

7. The double-folded M-shaped steel bar truss floor beam according to claim 6, characterized in that: The web steel bars (53) are welded by steel bars, the vertical steel bars (54) are welded at both ends of the upper chord steel bar (52), and the vertical steel bars (54) are welded with the steel beams (2) at the bottom and both ends of the lower chord steel bars (51).

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