A type of roof large-size hole hanging formwork structure

Abstract

The utility model discloses a top plate large-size hole hanging formwork structure, including a concrete plate with large-size holes, a supporting formwork structure in the large-size holes, a first profile and a second profile intersecting vertically and horizontally at the bottom of the large-size holes of the concrete plate, the first profile is a plurality of profiles and arranged in parallel, the second profile is a plurality of profiles and arranged in parallel, the two ends of the second profile are connected to the concrete plate at the outer edge of the large-size holes through a second locking structure, the second profile is located below the concrete plate, the first profile is placed on the top of the second profile, the two ends of the first profile are connected to the concrete plate at the outer edge of the large-size holes through a first locking structure, the first profile is located below the concrete plate and a supporting formwork structure is provided on the top, and the top of the supporting formwork structure is flush with the bottom surface of the concrete plate. The utility model has the advantages of high overall rigidity, convenient steel bar installation and concrete pouring, and can be widely used in the field of building structure construction.

Description

Technical Field

[0001] The utility model relates to the field of building structure construction, in particular to a large-size hole hanging formwork structure of a top plate. Background Art

[0002] There are many reserved openings in the building structure, and hanging formwork is often required for construction. The common hanging formwork structure cannot meet the template installation requirements of large-sized holes, or part of the structure is located above the opening, which cannot meet the requirements of steel bar installation or is not convenient for concrete pouring. Utility Model Content

[0003] The purpose of the utility model is to overcome the shortcomings of the above-mentioned background technology and provide a large-size hole hanging formwork structure for a top plate, which has the advantages of high overall rigidity and convenient steel bar installation and concrete pouring.

[0004] The utility model provides a top plate large-size hole hanging formwork structure, including a concrete slab with large-size holes, a supporting formwork structure provided in the large-size holes, a first profile and a second profile intersecting vertically and horizontally provided at the bottom of the large-size holes of the concrete slab, the first profile is a plurality of and arranged in parallel, the second profile is a plurality of and arranged in parallel, both ends of the second profile are connected to the concrete slab at the outer edge of the large-size holes through a second locking structure, the second profile is located below the concrete slab, the first profile is placed on the top of the second profile, both ends of the first profile are connected to the concrete slab at the outer edge of the large-size holes through a first locking structure, the first profile is located below the concrete slab and a supporting formwork structure is provided on the top, and the top of the supporting formwork structure is flush with the bottom surface of the concrete slab.

[0005] In the above technical solution, the formwork structure includes a plurality of parallel wooden beams located on the top of the first profile and perpendicular to the first profile, and a panel located on the top of the wooden beams, and the top surface of the panel is flush with the bottom surface of the concrete slab.

[0006] In the above technical solution, the first profile is a double-piece steel pipe, and the second profile is an I-beam.

[0007] In the above technical solution, the first locking structure has a first screw rod passing through the concrete slab, a first upper nut and a first pad are provided on the upper part of the first screw rod to be fixed to the top surface of the concrete slab, a mountain-shaped clip supporting the pair of double-jointed steel pipes is provided at the bottom of each pair of double-jointed steel pipes, the lower part of the first screw rod passes through each pair of double-jointed steel pipes and is threadedly connected to the mountain-shaped clip, a first lower nut threadedly connected to the lower part of the first screw rod is provided at the bottom of the mountain-shaped clip, and the first lower nut locks the mountain-shaped clip, the double-jointed steel pipes, the wooden square, the panel and the concrete slab.

[0008] In the above technical solution, the second locking structure has a second screw rod passing through the concrete slab, a second upper nut and a second pad are provided on the upper part of the second screw rod to be fixed to the top surface of the concrete slab, a supporting pad for supporting the I-beam is provided at the bottom of the I-beam, the lower part of the second screw rod passes through the supporting pad and is threadedly connected to the second lower nut, and the second lower nut locks the supporting pad, the I-beam, the double-piece steel pipe, the wooden square, the panel and the concrete slab.

[0009] In the above technical solution, each large-sized hole of the concrete slab is provided with two parallel I-beams, and each large-sized hole of the concrete slab is provided with four pairs of double-jointed steel pipes.

[0010] The utility model has the following beneficial effects:

[0011] The utility model has good structural rigidity and is located as a whole below the reserved opening, which is convenient for steel bar installation and concrete pouring, thus filling the blank in the technical field. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a bottom view of the structure of the large-size hole hanging formwork structure of the top plate of the utility model;

[0013] Figure 2 for Figure 1 The structural diagram of the aa section;

[0014] Figure 3 for Figure 1 Schematic diagram of the structure of the middle bb section;

[0015] Figure 4 It is a structural schematic diagram of the first locking structure in the large-size hole hanging mold structure of the top plate of the utility model;

[0016] Figure 5 It is a structural schematic diagram of the second locking structure in the large-size hole hanging formwork structure of the top plate of the utility model. DETAILED DESCRIPTION

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but the embodiments should not be construed as limiting the present invention.

[0018] See also Figures 1 to 5The utility model discloses a hanging formwork structure for large-sized holes on a top plate, comprising a concrete plate 1 provided with a large-sized hole 13, wherein a formwork structure is provided in the large-sized hole 13, and a first profile 2 and a second profile 3 intersecting vertically and horizontally are provided at the bottom of the large-sized hole 13 of the concrete plate 1, wherein the first profile 2 is a plurality of profiles arranged in parallel, and the second profile 3 is a plurality of profiles arranged in parallel, and both ends of the second profile 3 are connected to the concrete plate 1 at the outer edge of the large-sized hole 13 through a second locking structure 4, and the second profile 3 is located below the concrete plate 1, and the first profile 2 is placed on the top of the second profile 3, and the two ends of the first profile 2 are connected to the concrete plate 1 at the outer edge of the large-sized hole 13 through a first locking structure 5, and the first profile 2 is located below the concrete plate 1 and a formwork structure is provided on the top, and the top of the formwork structure is flush with the bottom surface of the concrete plate 1.

[0019] The formwork structure includes a plurality of parallel wooden beams 6 located on the top of the first profile 2 and perpendicular to the first profile 2 , and a panel 7 located on the top surface of the wooden beams 6 , wherein the top surface of the panel 7 is flush with the bottom surface of the concrete slab 1 .

[0020] In this embodiment, the first profile 2 is a double-jointed steel pipe, and the second profile 3 is an I-beam.

[0021] The first locking structure 5 has a first screw rod 51 that passes through the concrete slab 1. The first screw rod 51 has a first upper nut 52 and a first pad 53 on its upper portion that are fixed to the top surface of the concrete slab 1. The bottom of each pair of double-jointed steel pipes is provided with a mountain-shaped clip 54 that supports the pair of double-jointed steel pipes. The lower portion of the first screw rod 51 passes through each pair of double-jointed steel pipes and is threadedly connected to the mountain-shaped clip 54. The bottom of the mountain-shaped clip 54 is provided with a first lower nut 55 that is threadedly connected to the lower portion of the first screw rod 51. The first lower nut 55 locks the mountain-shaped clip 54, the double-jointed steel pipes, the wooden square 6, the panel 7 and the concrete slab 1.

[0022] The second locking structure 4 has a second screw rod 41 that passes through the concrete slab 1. The second screw rod 41 is provided with a second upper nut 42 and a second pad 43 on the upper portion to be fixed to the top surface of the concrete slab 1. The bottom of the I-beam is provided with a supporting pad 44 for supporting the I-beam. The lower portion of the second screw rod 41 passes through the supporting pad 44 and is threadedly connected to the second lower nut 45. The second lower nut 45 locks the supporting pad 44, the I-beam, the double-piece steel pipe, the wooden square 6, the panel 7 and the concrete slab 1.

[0023] The large-sized holes 13 of each concrete slab 1 are provided with two parallel I-beams, and the large-sized holes 13 of each concrete slab 1 are provided with four pairs of double-joined steel pipes.

[0024] The utility model discloses a hanging formwork structure for a large-size hole on a top plate, comprising a plurality of double-piece steel pipes, the ends of which are reliably connected to a poured concrete slab 1 via a first locking structure 5, a plurality of I-beams perpendicular to the double-piece steel pipes are arranged at the bottom thereof, the ends of which are reliably connected to the poured concrete slab 1 via a second locking structure 4, a wooden square 6 perpendicular to the double-piece steel pipes is arranged above the double-piece steel pipes, and a panel 7 is laid on the wooden square 6.

[0025] The first locking structure 5 comprises a first screw rod 51, a first upper nut 52, a first spacer block 53, a mountain-shaped clamp 54, and a first lower nut 55. The first screw rod 51 passes through a first screw rod hole 11 provided on the structure of the cast concrete slab 1, and a first upper nut 52 and a first spacer block 53 are provided at the upper end of the first screw rod 51. The lower part of the first screw rod 51 locks the double-joined steel pipe through the first lower nut 55 and the mountain-shaped clamp 54.

[0026] The second locking structure 4 comprises a second screw rod 41, a second upper nut 42, a second pad 43, a support pad 44, and a second lower nut 45. The second screw rod 41 passes through the second screw rod hole 12 provided on the structure of the cast concrete slab 1, the second upper nut 42 and the second pad 43 are provided on the upper end of the second screw rod 41, and the lower part of the second screw rod 41 locks the I-beam through the second lower nut 45 and the support pad 44.

[0027] Among them, I-beams can be replaced by channel steels, square steels, etc.

[0028] The upper part of the locking structure of the present invention is connected to the structure of the poured concrete slab 1 through spacers and nuts; it can also be connected to the structure of the poured concrete slab 1 by pre-embedding screws in the poured concrete slab 1 in advance.

[0029] Since the formwork structure is located at the bottom of the reserved large-sized hole 13, it does not affect the installation of steel bars and the pouring of the concrete slab 1. The I-beam is arranged at the bottom of the double-jointed steel pipe, which increases the overall rigidity of the formwork, prevents the formwork from deformation, is safe and reliable, and improves the flatness of the concrete slab 1.

[0030] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0031] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

Claims

1. A large-size hole hanging formwork structure for a roof, comprising a concrete slab (1) provided with a large-size hole (13), wherein a formwork structure is provided in the large-size hole (13), characterized in that: The bottom of the large-sized hole (13) of the concrete slab (1) is provided with a first profile (2) and a second profile (3) intersecting vertically and horizontally, the first profile (2) is a plurality of profiles arranged in parallel, the second profile (3) is a plurality of profiles arranged in parallel, the two ends of the second profile (3) are connected to the concrete slab (1) at the outer edge of the large-sized hole (13) through a second locking structure (4), the second profile (3) is located below the concrete slab (1), the first profile (2) is placed on the top of the second profile (3), the two ends of the first profile (2) are connected to the concrete slab (1) at the outer edge of the large-sized hole (13) through a first locking structure (5), the first profile (2) is located below the concrete slab (1) and a formwork structure is provided on the top, and the top of the formwork structure is flush with the bottom surface of the concrete slab (1).

2. The large-size hole hanging formwork structure of the top plate according to claim 1 is characterized in that: The formwork structure comprises a plurality of parallel wooden beams (6) located on the top of the first profile (2) and perpendicular to the first profile (2), and a panel (7) located on the top surface of the wooden beams (6), wherein the top surface of the panel (7) is flush with the bottom surface of the concrete slab (1).

3. The large-size hole hanging formwork structure of the top plate according to claim 2 is characterized in that: The first profile (2) is a double-jointed steel pipe, and the second profile (3) is an I-beam.

4. The large-size hole hanging formwork structure of the top plate according to claim 3 is characterized in that: The first locking structure (5) comprises a first screw rod (51) passing through the concrete slab (1); the first screw rod (51) is provided with a first upper nut (52) and a first cushion block (53) at the upper part thereof and fixed to the top surface of the concrete slab (1); the bottom of each pair of double-joined steel pipes is provided with a mountain-shaped clamp (54) supporting the pair of double-joined steel pipes; the lower part of the first screw rod (51) passes through each pair of double-joined steel pipes and is threadedly connected to the mountain-shaped clamp (54); the bottom of the mountain-shaped clamp (54) is provided with a first lower nut (55) threadedly connected to the lower part of the first screw rod (51); the first lower nut (55) locks the mountain-shaped clamp (54), the double-joined steel pipes, the wooden square (6), the panel (7) and the concrete slab (1).

5. The large-size hole hanging formwork structure of the top plate according to claim 4 is characterized in that: The second locking structure (4) comprises a second screw rod (41) passing through the concrete slab (1); the second screw rod (41) is provided with a second upper nut (42) and a second pad (43) at the upper part thereof and fixed to the top surface of the concrete slab (1); the bottom of the I-beam is provided with a supporting pad (44) for supporting the I-beam; the lower part of the second screw rod (41) passes through the supporting pad (44) and is threadedly connected to a second lower nut (45); the second lower nut (45) locks the supporting pad (44), the I-beam, the double-jointed steel pipe, the wooden square (6), the panel (7) and the concrete slab (1).

6. The large-size hole hanging formwork structure of the top plate according to claim 5 is characterized in that: The large-sized holes (13) of each concrete slab (1) are provided with two parallel I-beams, and the large-sized holes (13) of each concrete slab (1) are provided with four pairs of double-jointed steel pipes.

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