Tool and method for controlling thickness of hollow floor top plate

Abstract

The invention relates to the technical field of building construction, in particular to a hollow floor top plate thickness control tool and method.The hollow floor top plate thickness control tool comprises a vertical supporting rod, and the upper portion and the lower portion of the vertical supporting rod are each connected with a hook control rod; the hook control rod comprises a vertical connecting part connected with the vertical supporting rod, the end, away from the vertical supporting rod, of the vertical connecting part is in a hook shape, and the end of a hook is connected with a horizontal limiting part. The horizontal limiting parts of the two hook control rods located on the upper portion and the lower portion of the vertical supporting rod are located on the two sides of the vertical supporting rod respectively. The hook control rods are connected to the upper side and the lower side of the vertical supporting rod, and the horizontal limiting parts of the two hook control rods abut against the lower-layer structural steel bars and the upper-layer structural steel bars correspondingly, so that spacing limiting of the lower-layer structural steel bars and the upper-layer structural steel bars is achieved, the thickness consistency of a top plate is guaranteed, and the construction quality is improved; the construction efficiency is improved, and the construction period is shortened.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to a tool and method for controlling the thickness of a hollow floor top plate. Background Art

[0002] A hollow floor slab is a cast-in-place reinforced concrete hollow floor slab; it is also called a cast-in-place beamless hollow floor slab, which is a hollow beamless floor slab cast in place after installing a core mold product; a hollow floor slab comprises steel bars, concrete, and a core mold, and the core mold is buried in the reinforced concrete; during construction, in order to prevent the core mold from floating up and affecting the distance between the lower structure steel bars and the upper structure steel bars, thereby affecting the thickness of the top plate, it is usually practiced to place pads and steel bars for a second time at the floating part of the core mold, and to use wire to tie it for a second time to reinforce it, so as to control the distance between the lower structure steel bars and the upper structure steel bars, which is time-consuming, labor-intensive, and labor-intensive. Summary of the invention

[0003] In view of the deficiencies in the prior art, the object of the present invention is to provide a hollow floor top slab thickness control tooling and method which is easy to operate, saves manpower, and can prevent the core mold from floating up and causing uneven top slab thickness.

[0004] The technical solution adopted by the present invention to solve its technical problem is: A tool for controlling the thickness of a hollow floor top plate comprises a vertical strut, wherein the upper and lower parts of the vertical strut are each connected to a hook control rod; the hook control rod comprises a vertical connection part connected to the vertical strut, the end of the vertical connection part away from the vertical strut is hook-shaped, and the end of the hook is connected to a horizontal limit part; the horizontal limit parts of the two hook control rods located at the upper and lower parts of the vertical strut are respectively located on both sides of the vertical strut.

[0005] Preferably, a further technical solution of the present invention is: Preferably, a long hole is provided on the vertical support rod, and a locking hole is provided on the vertical connecting portion of the hook control rod; it also includes a locking bolt and a locking nut, and the locking bolt passes through the locking hole and the long hole and is locked and fixed by the locking nut.

[0006] Preferably, the hook control rod is formed by integrally bending an iron sheet.

[0007] The present invention also discloses a method for controlling a hollow floor concrete protective layer, the steps of which are as follows: S1: Support the top slab casting formwork, tie the lower structure steel bars, and install the core formwork; S2: Install the hollow floor slab top slab thickness control tooling on both sides of the core mold, in which the vertical support rods are arranged perpendicular to the lower structural steel bars, and the hook-shaped part of the vertical connection part of the hook control rod connected to the lower part passes through the lower structural steel bars from the lower side of the lower structural steel bars to connect the horizontal limit part, and the horizontal limit part is arranged perpendicular to the length direction of the lower structural steel bars and overlaps the lower structural steel bars; S3: Tie the upper structure steel bars and adjust the thickness of the hollow floor top slab. The horizontal limiter of the upper hook control rod in the tooling is arranged perpendicular to the length of the upper structure steel bars and abuts against the lower side of the upper structure steel bars. At the same time, the hook of the vertical connection part passes over the upper structure steel bars from the upper side of the upper structure steel bars. S4: Concrete pouring.

[0008] Preferably, step S3 also includes binding and fixing the horizontal limit portion of the hook control rod to the upper structure steel bars or the lower structure steel bars.

[0009] Compared with the prior art, the present invention adopting the above technical solution has the following outstanding features: The present invention connects hook control rods on the upper and lower sides of the vertical support rods, and the horizontal limit parts of the two hook control rods respectively abut against the lower structure steel bars and the upper structure steel bars to limit the spacing between the lower structure steel bars and the upper structure steel bars, thereby ensuring the consistency of the top plate thickness and improving the construction quality; avoiding the secondary placement of pads and steel bars, and using secondary binding and reinforcement with wire tying, which is simple and easy to operate, improves construction efficiency, shortens construction period, and saves labor. At the same time, the combination of the hollow floor top plate thickness control tooling and the structural steel bars can also play a role in improving the structural strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 1 is a schematic side view of the structure of the hollow floor top plate thickness control tooling according to an embodiment of the present invention; Figure 2 is a schematic diagram of the side view of the structure of the hollow floor top plate thickness control tool in the embodiment of the present invention when in use; Figure 3 3. It is a schematic diagram of the three-dimensional structure of the hollow floor top plate thickness control tooling in an embodiment of the present invention; Figure 4 It is a structural schematic diagram of the hollow floor top plate thickness control tooling in the embodiment of the present invention when in use.

[0011] Explanation of the reference numerals: 1. vertical support rod; 101. long hole; 2. bent hook control rod; 201. vertical connection part; 202. hook; 203. horizontal limit part; 3. locking bolt; 4. lower structure steel bar; 5. core mold; 6. upper structure steel bar. DETAILED DESCRIPTION

[0012] The present invention is further described below in conjunction with specific embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0013] like Figure 1 , Figure 3As shown, this embodiment provides a hollow floor top plate thickness control tool, including a vertical support rod 1, and a hook control rod 2 is connected to the upper and lower parts of the vertical support rod 1; the hook control rod 2 includes a vertical connection part 201 connected to the vertical support rod 1, and the end of the vertical connection part 201 away from the vertical support rod 1 is hook-shaped, and the end of the hook 202 is connected to a horizontal limiting part 203; the horizontal limiting parts 203 of the two hook control rods 2 located at the upper and lower parts of the vertical support rod 1 are respectively located on both sides of the vertical support rod 1; wherein, the hook control rod 2 is formed by bending an iron sheet in one piece.

[0014] To adapt to different floor thicknesses, a long hole 101 is provided on the vertical support rod 1, and a locking hole is provided on the vertical connecting portion 201 of the hook control rod 2; it also includes a locking bolt 3 and a locking nut, the locking bolt 3 passes through the locking hole and the long hole 101 and is locked and fixed by the locking nut; the relative position of the hook control rod 2 and the vertical support rod 1 is adjusted by the long hole 101, the locking bolt 3, and the locking nut, and then the distance between the upper and lower horizontal limit portions 203 of the hook control rods 2 can be adjusted, which is suitable for supporting floors of different thicknesses.

[0015] like Figure 2 , Figure 4 As shown, the present invention also discloses a method for controlling a hollow floor concrete protective layer, and the specific steps are as follows: S1: Support the top plate casting formwork, tie the lower structure steel bars 4, and install the core formwork 5; S2: A hollow floor slab thickness control tooling is symmetrically arranged on the left and right sides of the core mold 5. In the hollow floor slab thickness control tooling, the vertical support rod 1 is arranged perpendicular to the lower structure steel bar 4. The hook-shaped part of the vertical connection part 201 of the bent hook control rod 2 connected to the lower part passes through the lower structure steel bar 4 from the lower side of the lower structure steel bar 4 to connect the horizontal limit part 203. The horizontal limit part 203 is arranged perpendicular to the length direction of the lower structure steel bar 4 and abuts against the lower structure steel bar 4.

[0016] It should be noted that in order to ensure the balance of the structural steel support, the hollow floor top slab thickness control tooling appears in pairs, and each core mold 5 is provided with at least one set of hollow floor top slab thickness control tooling, a set of two, respectively located on both sides of the core mold 5.

[0017] S3: Tie up the upper structural steel bar 6, adjust the upper hook control rod 2 in the hollow floor top plate thickness control tooling, so that its horizontal limit part 203 is set perpendicular to the length direction of the upper structural steel bar 6 and abuts against the lower side of the upper structural steel bar 6; at the same time, the hook-shaped part of the vertical connection part 201 bypasses the upper structural steel bar 6 from the upper side of the upper structural steel bar 6; at this time, the horizontal limit part 203 of the upper hook control rod 2 and the horizontal limit part 203 of the lower hook control rod 2 of the same hollow floor top plate thickness control tooling abut against the upper structural steel bar 6 and the lower structural steel bar 4, respectively, so as to limit the spacing between the upper structural steel bar 6 and the lower structural steel bar 4. Then, the horizontal limit part 203 of the upper hook control rod 2 is tied and fixed to the upper structural steel bar 6, and the horizontal limit part 203 of the lower hook control rod 2 is tied and fixed to the lower structural steel bar 4.

[0018] S4: Concrete pouring.

[0019] The present invention can limit the spacing between the lower structural steel bars 4 and the upper structural steel bars 6, thereby ensuring the consistency of the top plate thickness and improving the construction quality; the construction efficiency is improved; at the same time, the combination of the hollow floor top plate thickness control tooling and the structural steel bars can further play a role in improving the structural strength.

[0020] The above description is only the preferred embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made by using the contents of the present invention specification and its drawings are included in the scope of rights of the present invention.

Claims

1. A hollow floor top plate thickness control tool, characterized in that: The invention comprises a vertical support rod (1), wherein the upper part and the lower part of the vertical support rod (1) are respectively connected to a hook control rod (2); the hook control rod (2) comprises a vertical connection part (201) connected to the vertical support rod (1), an end of the vertical connection part (201) away from the vertical support rod (1) is hook-shaped, and the end of the hook (202) is connected to a horizontal limit part (203); the horizontal limit parts (203) of the two hook control rods (2) located at the upper part and the lower part of the vertical support rod (1) are respectively located at both sides of the vertical support rod (1).

2. The hollow floor top plate thickness control tool according to claim 1 is characterized in that: The vertical support rod (1) is provided with an elongated hole (101), and the vertical connecting portion (201) of the hook control rod (2) is provided with a locking hole; the locking bolt (3) and a locking nut are also included, and the locking bolt (3) passes through the locking hole and the elongated hole (101) and is locked and fixed by the locking nut.

3. The tooling for controlling the thickness of the hollow floor top plate according to claim 1 is characterized in that: The hook control rod (2) is formed by bending an iron sheet in one piece.

4. A method for controlling the thickness of a hollow floor top plate, characterized in that: Here are the steps: S1: Support the top slab casting formwork, tie the lower structural steel bars (4), and install the core formwork (5); S2: A hollow floor slab top plate thickness control tool is installed on both sides of the core mold (5), wherein the vertical support rod (1) in the hollow floor slab top plate thickness control tool is arranged perpendicular to the lower structural steel bar (4), and the hook-shaped part of the vertical connection part (201) connected to the lower curved hook control rod (2) passes through the lower structural steel bar (4) from the lower side to connect the horizontal limit part (203), and the horizontal limit part (203) is arranged perpendicular to the length direction of the lower structural steel bar (4) and overlaps the lower structural steel bar (4); S3: tying the upper structure steel bars (6), adjusting the horizontal limit portion (203) of the upper hook control rod (2) in the hollow floor top slab thickness control tooling to be arranged perpendicular to the length direction of the upper structure steel bars (6) and abutting against the lower side of the upper structure steel bars (6), and at the same time, the hook-shaped portion of the vertical connection portion (201) bypasses the upper structure steel bars (6) from the upper side of the upper structure steel bars (6); S4: Concrete pouring.

5. The method for controlling the thickness of the hollow floor top plate according to claim 4, characterized in that: Step S3 also includes binding and fixing the horizontal limit portion (203) of the hook control rod (2) to the upper structure steel bars (6) or the lower structure steel bars (4).

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