Disassembly-free buckle steel bar truss floor support plate

Abstract

A disassembly-free buckle steel bar truss floor support plate comprises a floor support plate body, trusses and carrying beams and is characterized in that the carrying beams are arranged on the upper end face of the floor support plate body, the trusses are connected between the carrying beams, main carrying holes are formed in the carrying beams, first clamping openings are formed in the middles of the main carrying holes, the first clamping openings extend upwards out of the carrying beams, and the first clamping openings are connected with the trusses. Main carrying holes are formed in the lower portion of the carrying beam, through holes are formed in the lower portion of the carrying beam, the through holes are located below the main carrying holes, and the lower portion of the truss is arranged in the main carrying holes. And through holes are formed to increase the filling rate of concrete pouring, and the overall strength is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of building materials, in particular to a demountable snap-fastened steel bar truss floor slab Background Art

[0002] The steel bar truss floor slab is a load-bearing slab composed of a steel bar truss and a bottom plate. During construction, the bottom plate is first fixed on the beam by stud bolts, and then concrete is poured onto the steel bar truss. It can significantly reduce the amount of on-site steel bar binding work in the traditional way and speed up the construction progress. The existing devices are mainly reinforced by welding process, and the operation is cumbersome, and the overall structural strength is weak Content of the Utility Model

[0003] The utility model provides a demountable snap-fastened steel bar truss floor slab to solve the technical problems in the above background art

[0004] The demountable snap-fastened steel bar truss floor slab includes a floor slab, a truss, and a carrying beam. It is characterized in that the carrying beams are arranged in a row on the upper end surface of the floor slab, the trusses are connected between the carrying beams, the carrying beams are arranged with main carrying holes, a first card entrance is arranged in the middle of the main carrying holes, the first card entrance extends upward out of the carrying beam, through holes are arranged in a row at the lower part of the carrying beam, and the positions of the through holes are below the main carrying holes, and the lower part of the truss is arranged in the main carrying holes

[0005] Preferably, for the demountable snap-fastened steel bar truss floor slab, at least two auxiliary carrying holes are arranged between adjacent main carrying holes, the auxiliary carrying holes are arranged in a mirror image, the front part of the auxiliary carrying hole is a C-shaped hole, and a second card entrance is arranged at the rear end of the auxiliary carrying hole, and the second card entrance extends upward out of the carrying beam

[0006] Preferably, for the demountable snap-fastened steel bar truss floor slab, the carrying beam is divided into multiple unit sections, at least two main carrying holes are arranged in the middle of each unit section, the lower part of the truss is arranged in the main carrying holes of the unit section, and steel bars are inserted into the auxiliary carrying holes

[0007] Preferably, for the demountable snap-fastened steel bar truss floor slab, the carrying beam is a U-shaped beam

[0008] Preferably, for the demountable snap-fastened steel bar truss floor slab, the connection height between the second card entrance and the auxiliary carrying hole is less than the diameter of the auxiliary carrying hole

[0009] Advantageous Effects: This solution avoids the need for welding during the re-combination of the truss and the floor slab through a hole-type clamping method, and the solution adds steel bars as auxiliary supports, and is provided with through holes to increase the filling rate of concrete pouring, thereby increasing the overall strength Description of the Drawings

[0010] Figure 1Stereogram of Embodiment 1 of the present utility model;

[0011] Figure 2 Stereogram of the carrying beam of Embodiment 1 of the present utility model;

[0012] Figure 3 Stereogram of Embodiment 2 of the present utility model;

[0013] Figure 4 Stereogram of the carrying beam of Embodiment 2 of the present utility model;

[0014] Figure 5 Stereogram of Embodiment 3 of the present utility model;

[0015] Figure 6 Stereogram of the carrying beam of Embodiment 3 of the present utility model;

[0016] In the figure: floor formwork 1, truss 2, carrying beam 3, main carrying hole 301, first card entrance 3011, through hole 302, secondary carrying hole 303, second card entrance 3031, steel bar 3032, unit section 304. Detailed implementation manners

[0017] The following describes the implementation process of the present utility model in detail with reference to the accompanying drawings. The described embodiments are part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] In the description of the present utility model, it should also be noted that unless otherwise clearly defined and limited, the terms "set", "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a welded connection, a detachable connection, or an integral connection; it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0019] The present utility model provides a non-detachable snap-fastener steel bar truss floor formwork as Figures 1-6 shown, including a floor formwork 1, a truss 2, and a carrying beam 3. It is characterized in that the carrying beams 3 are arranged in a row on the upper end surface of the floor formwork 1, the trusses 2 are connected and arranged between the carrying beams 3. The carrying beams 3 are arranged with main carrying holes 301, the middle of the main carrying holes 301 is provided with a first card entrance 3011, the first card entrance 3011 extends upward out of the carrying beam 3, the lower part of the carrying beam 3 is arranged with through holes 302, and the positions of the through holes 302 are located below the main carrying holes 301. The lower part of the truss 2 is arranged in the main carrying holes 301.

[0020] Furthermore, at least two secondary mounting holes 303 are provided between adjacent main mounting holes 301. The secondary mounting holes 303 are arranged in a mirror image. The front part of the secondary mounting hole 303 is a C-shaped hole. A second card entrance 3031 is provided at the rear end of the secondary mounting hole 303. The second card entrance 3031 extends upward to form a mounting beam 3. A steel bar 3032 is inserted into the secondary mounting hole 303.

[0021] Furthermore, the mounting beam 3 is divided into multiple unit sections 304. At least two main mounting holes 301 are provided in the middle of each unit section 304. The lower part of the truss 2 is arranged in the main mounting holes 301 of the unit section 304.

[0022] Furthermore, the mounting beam 3 is a U-shaped beam.

[0023] Furthermore, the connection height between the second card entrance 3031 and the secondary mounting hole 303 is less than the diameter of the secondary mounting hole 303.

[0024] Embodiment 1

[0025] At least two mounting beams 3 are arranged in a row on the upper end surface of the floor slab 1. The mounting beam 3 is a U-shaped beam, and the number of mounting beams 3 can be increased according to the weighing requirements. The length of the mounting beam 3 is less than the length of the floor slab 1. The mounting beam 3 is a U-shaped pipe. Main mounting holes 301 are arranged in a row in the middle of the mounting beam 3. The main mounting holes 301 penetrate through the mounting beam 3. The main mounting holes 301 are strip-shaped, and both ends of the main mounting holes 301 are arc-shaped. A first card entrance 3011 is provided in the middle of the main mounting hole 301. The first card entrance 3011 extends out from the upper end of the mounting beam 3. The first card entrance 3011 is open outward, which is convenient for the truss 2 to be inserted. In this solution, the truss 2 can be selected to be inserted into the main mounting hole 301 according to the specification of the truss 2. The wider truss 2 is selected to be inserted into the relatively outer sides of adjacent main mounting holes 301, and the narrower truss 2 is selected to be inserted into the relatively inner sides of adjacent main mounting holes 301. Through holes 302 are arranged in a row at the lower part of the mounting beam 3. When adding concrete, the concrete enters the mounting beam 3 through the through holes 302.

[0026] Embodiment 2

[0027] Auxiliary mounting holes 303 are provided between the main mounting holes 301. Specifically, at least two main mounting holes 301 adjacent to both sides of the auxiliary mounting holes 303 are provided respectively. The adjacent main mounting holes 301 are used to fix the truss 2. The adjacent auxiliary mounting holes 303 are arranged in a mirror image. The auxiliary mounting holes 303 are C-shaped holes. The rear end of the auxiliary mounting hole 303 is connected to the second card entrance 3031. The second card entrance 3031 extends upward to form the mounting beam 3. The height of the connection between the auxiliary mounting hole 303 and the second card entrance 3031 is less than the diameter of the auxiliary mounting hole 303. The steel bar 3032 is inserted into the mounting hole through the second card entrance 3031, and it is not easy to fall out due to the height relationship between the second card entrance 3031 and the mounting hole. The truss 2 is inserted into the main mounting hole 301 through the first card entrance 3011.

[0028] Embodiment 3

[0029] The mounting beam 3 is composed of a plurality of unit sections 304 arranged horizontally. The unit sections 304 are arranged horizontally on the upper end surface of the floor formwork 1. Each unit section 304 is a U-shaped beam. At least two main mounting holes 301 are provided in the middle of each unit section 304. The main mounting holes 301 penetrate through the mounting beam 3. The main mounting holes 301 are strip-shaped, and the two ends of the main mounting holes 301 are arc-shaped. A first card entrance 3011 is provided in the middle of the main mounting hole 301. The first card entrance 3011 extends out of the upper end of the mounting beam 3. The first card entrance 3011 is open outward. The two lower ends of the truss 2 are respectively inserted into the main mounting holes 301 of the unit sections 304 of a single mounting beam 3, and the insertion method is the same as that in Embodiment 1.

[0030] Within the scope of protection of this embodiment, although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The demountable snap - type steel bar truss floor slab, comprising a floor slab (1), a truss (2), and a carrying beam (3), is characterized in that The carrying beams (3) are arranged on the upper end surface of the floor formwork (1), and the trusses (2) are connected between the carrying beams (3). The carrying beams (3) are arranged with main carrying holes (301). A first clamping entrance (3011) is provided in the middle of the main carrying hole (301). The first clamping entrance (3011) extends upward out of the carrying beam (3). Through holes (302) are arranged in the lower part of the carrying beam (3), and the positions of the through holes (302) are below the main carrying holes (301). The lower part of the truss (2) is arranged in the main carrying holes (301).

2. The demountable snap - type steel bar truss floor slab according to claim 1, wherein At least two secondary carrying holes (303) are provided between adjacent main carrying holes (301). The secondary carrying holes (303) are arranged in a mirror image. The front part of the secondary carrying hole (303) is a C-shaped hole. A second clamping entrance (3031) is provided at the rear end of the secondary carrying hole (303). The second clamping entrance (3031) extends upward out of the carrying beam (3).

3. The demountable snap-fastened steel bar truss floor formwork according to claim 1, wherein The carrying beam (3) is divided into multiple unit sections (304). At least two main carrying holes (301) are provided in the middle of each unit section (304). The lower part of the truss (2) is arranged in the main carrying holes (301) of the unit section (304). Steel bars (3032) are inserted into the secondary carrying holes (303).

4. The demountable snap-fastened steel bar truss floor formwork according to claim 1 or 2 or 3, characterized in that The carrying beam (3) is a U-shaped beam.

5. The demountable snap-fastened steel bar truss floor formwork according to claim 2, wherein The connection height between the second clamping entrance (3031) and the secondary carrying hole (303) is less than the diameter of the secondary carrying hole (303).

Images