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CN-224228275-U - Support-free composite floor construction device

CN224228275UCN 224228275 UCN224228275 UCN 224228275UCN-224228275-U

Abstract

The utility model discloses a support-free composite floor slab construction device which is used for positioning a composite floor slab on a precast beam and comprises steel corbels and C-shaped steel, wherein at least four steel corbels are embedded at two ends of the composite floor slab in the length direction in a pairwise opposite mode, the bottom of each steel corbel is provided with a fixing nut, at least two C-shaped steel is detachably arranged on the bottom surface of the composite floor slab, two C-shaped steel openings are opposite and are arranged along the length direction of the composite floor slab, and two ends of each C-shaped steel are connected with the fixing nuts on the two steel corbels which are arranged in an opposite mode through bolts respectively. According to the utility model, the steel corbels are pre-buried at the two end parts of the composite floor slab so as to increase the supporting distance between the composite floor slab and the precast beam, so that the stable support of the composite floor slab can be realized without using a scaffold, the C-shaped steel is detachably connected with the composite road plate, the bending bearing capacity and the rigidity of the composite floor slab are improved, the repeated use of the components is realized, the production cost is saved, and the construction efficiency is improved.

Inventors

  • WANG KAIHUA

Assignees

  • 上海向道建筑设计咨询有限公司

Dates

Publication Date
20260512
Application Date
20250610

Claims (8)

  1. 1. A support-free composite floor construction device for positioning a composite floor (10) on a precast beam (20), comprising: the steel corbels (30) are at least provided with four, at least four steel corbels (30) are embedded at two ends of the laminated floor slab (10) in the length direction in a pairwise opposite mode, and the bottom of each steel corbel (30) is provided with a fixing nut (40); The C-shaped steel (50), at least two C-shaped steel (50) detachably locate the bottom surface of coincide floor (10), two C-shaped steel (50) open-ended are relative, and follow coincide floor (10) length direction arranges, simultaneously, every both ends of C-shaped steel (50) are connected with fixation nut (40) on two steel corbels (30) of relative setting through bolt (60) respectively.
  2. 2. The support-free composite floor slab construction device according to claim 1, wherein the steel corbel (30) is an L-shaped sheet member having a cross-sectional height of not less than 80mm, the bottom surface of the horizontal portion (301) thereof is flush with the bottom surface of the composite floor slab (10), and the horizontal portion (301) extends in the longitudinal direction of the composite floor slab (10) and is supported on the precast beam (20).
  3. 3. The support-free composite floor construction device according to claim 2, wherein the steel corbel (30) is supported on the precast beam (20) with a length of 30mm to 50mm.
  4. 4. The support-free composite floor slab construction device according to claim 3, wherein the vertical portion (302) of the steel corbel (30) extends upwards to the outside of the top surface of the composite floor slab (10), and a lifting hole (3021) is formed in the vertical portion (302) exposed out of the composite floor slab (10).
  5. 5. The support-free composite floor slab construction device according to claim 2, wherein the C-shaped steel (50) is provided with two opposite side walls (501) and a bottom wall (502) integrally connected between the two side walls (501), one side wall (501) is abutted against a horizontal part (301) of the steel corbel (30) embedded in the composite floor slab (10), and is in threaded connection with the fixing nut (40) through the bolt (60).
  6. 6. The support-free composite floor slab construction device according to claim 5, wherein a plurality of weight reducing holes (5021) are formed in the bottom wall (502) of the C-shaped steel (50) at intervals along the length direction thereof.
  7. 7. The support-free composite floor slab construction device according to claim 5, wherein the section height of the C-shaped steel (50) is 80mm to 120mm.
  8. 8. The support-free composite floor construction device according to claim 2, further comprising a sponge, wherein the sponge is filled in the screw hole of the fixing nut (40), and the sponge is taken out after the composite floor (10) is poured and solidified.

Description

Support-free composite floor construction device Technical Field The utility model relates to the technical field of building construction, in particular to a support-free composite floor slab construction device. Background At present, the national force promotes the development of the assembled building, and the core aims of improving the building quality, improving the construction efficiency, reducing the labor investment and reducing the environmental pollution are fulfilled. However, in the actual construction process of the existing fabricated building, the installation link of the composite floor slab exposes a plurality of problems. Referring to fig. 1, in order to ensure stability of installation of the composite floor, a constructor erects a large number of vertical scaffolds at the bottom of the composite floor, so as to provide stable and effective support for the composite floor. Meanwhile, the arrangement of the scaffold can meet the requirement that the laminated floor slab has enough supporting strength in the concrete pouring and vibrating process. However, although the above construction requirements can be satisfied by means of the scaffold, the use of the scaffold not only results in a large amount of building accessories, but also requires a lot of labor and time for construction, contrary to the objective of upgrading and enhancing efficiency expected for the national propulsion-assembly type building. Disclosure of Invention In order to overcome the defects, the utility model provides the support-free composite floor slab construction device which has a simple structure and can meet various requirements in the construction process without using a scaffold. The technical scheme adopted by the utility model for solving the technical problems is to provide a support-free composite floor slab construction device for positioning a composite floor slab on a precast beam, which comprises the following steps: the steel corbels are at least provided with four, at least four steel corbels are embedded at two ends of the length direction of the composite floor slab in a pairwise opposite mode, and the bottom of each steel corbel is provided with a fixing nut; and the C-shaped steel is detachably arranged on the bottom surface of the composite floor slab, the two openings of the C-shaped steel are opposite and are arranged along the length direction of the composite floor slab, and meanwhile, the two ends of each C-shaped steel are respectively connected with fixing nuts on two steel corbels which are oppositely arranged through bolts. As a further improvement of the utility model, the steel corbels are L-shaped sheet-shaped components with the section height not less than 80mm, the bottom surfaces of the horizontal parts of the steel corbels are flush with the bottom surfaces of the laminated floor slabs, and the horizontal parts extend out along the length direction of the laminated floor slabs and are supported on the precast beams. As a further improvement of the present utility model, the length of the steel corbel supported on the precast beam is 30mm to 50mm. As a further improvement of the utility model, the vertical part of the steel corbel extends upwards to the outside of the top surface of the composite floor slab, and a lifting hole is formed in the vertical part exposed out of the composite floor slab. As a further improvement of the utility model, the C-shaped steel is provided with two opposite side walls and a bottom wall integrally connected between the two side walls, wherein one side wall is abutted against the horizontal part of the steel bracket embedded in the laminated floor slab and is in threaded connection with the fixing nut through the bolt. As a further improvement of the utility model, a plurality of lightening holes are arranged on the bottom wall of the C-shaped steel at intervals along the length direction. As a further improvement of the utility model, the section height of the C-section steel is 80mm to 120mm. The utility model further comprises a sponge, wherein the sponge is stuffed in the screw hole of the fixing nut, and the sponge is taken out after the composite floor slab is poured and solidified. The utility model has the advantages that the steel corbels are pre-buried at the two ends of the composite floor slab to increase the supporting distance of the composite floor slab on the precast beam, the C-shaped steel is arranged at the bottom of the composite floor slab to improve the bending bearing capacity and rigidity of the composite floor slab, the load demand in the construction stage is realized, the construction measures are saved, the construction efficiency is improved, and the C-shaped steel is detachably connected to remove the C-shaped steel after the construction is finished so as to realize the repeated use of the components, thereby saving the production cost. Drawings FIG. 1 is a schematic view of a prior art scaffold; FIG. 2 is a cross