Concrete pouring preformed hole template structure

Abstract

The utility model discloses a concrete pouring preformed hole formwork structure which comprises a first frame, a second frame, a third frame and a fourth frame. The second frame is of a rectangular frame structure formed by sequentially welding four angle irons end to end, and the second frame is located under the first frame; the multiple bolt holes are formed in the second frame, and fastening bolts on the external aluminum mold penetrate through the bolt holes so that the second frame can be fixed to the external aluminum mold; the tops of the four supporting steel plates are fixedly welded to the first frame, the bottoms of the four supporting steel plates are fixedly welded to the second frame, and every two adjacent supporting steel plates are fixedly welded. According to the preformed hole template, the risk of loosening or cracking around the preformed hole can be reduced, and the structural strength of the preformed hole template can be improved, so that the transverse load resistance of the preformed hole template is improved, and the hole forming quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of concrete formwork, and in particular to a formwork structure for pre-reserved holes in concrete pouring. Background Technology

[0002] During the concrete pouring process, pre-reserved hole formwork (also known as hole template or through-wall sleeve template) is a key tool used to create holes of the required size and shape in the concrete structure.

[0003] In related technologies, pre-drilled hole templates typically consist of four interconnected wooden support boards. However, when these wooden support boards come into contact with concrete, they absorb moisture from the concrete, causing loosening or cracks around the pre-drilled hole, thus affecting the quality of the hole formation. Furthermore, the pre-drilled hole templates in these technologies have relatively poor structural stability, resulting in insufficient resistance to lateral loads, which also affects the quality of the hole formation. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a template structure for pre-reserved holes in concrete pouring, which can improve the quality of hole formation.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a concrete pouring pre-reserved hole template structure, comprising:

[0006] The first frame is a rectangular frame structure formed by welding four angle irons end to end.

[0007] The second frame is a rectangular frame structure formed by welding four angle irons end to end, and the second frame is located directly below the first frame;

[0008] Multiple bolt holes are provided on the second frame, and the bolt holes are for fastening bolts on the outer aluminum mold to pass through, so as to fix the second frame to the outer aluminum mold.

[0009] The support steel plates number four. The tops of the four support steel plates are respectively welded and fixed to the first frame, and the bottoms are respectively welded and fixed to the second frame. Adjacent support steel plates are also welded and fixed.

[0010] Optionally, the area enclosed by the first frame is larger than the area enclosed by the second frame, and the four support steel plates form an inverted trapezoidal support structure.

[0011] Optionally, lifting rings are welded and fixed to both sides of the first frame.

[0012] Optionally: Support frames are provided on both sides of the first frame, and each support frame is provided with a positioning part, which is used to cooperate with the connection node of the floor slab reinforcement for positioning.

[0013] Optionally, each of the positioning parts includes a positioning rod, a positioning plate, and two positioning slots. The positioning rod is vertically mounted on the support frame, the positioning plate is horizontally mounted at the bottom of the positioning rod, and the two positioning slots are respectively mounted on the bottom surface of the positioning plate. Each positioning slot is cross-shaped, and the adjacent connection points of the floor slab reinforcement can be tightly engaged in the corresponding positioning slots.

[0014] Optionally, the positioning rod is threaded through the support frame, and a control handwheel is fixedly connected to the top of the positioning rod, while the bottom is rotatably connected to the positioning plate.

[0015] Optionally, positioning lines are provided on both sides of the surface of each of the support steel plates.

[0016] In summary, this utility model has the following beneficial effects:

[0017] The use of steel support plates effectively prevents the support plates from absorbing moisture from the concrete, thereby reducing the risk of loosening or cracking around the pre-drilled holes and improving the quality of the holes. The first and second frames, formed by welding angle iron, effectively improve the structural strength of the pre-drilled hole template, enhancing its resistance to lateral loads and further improving the quality of the holes. Positioning sections are provided on both sides of the first frame, facilitating quick positioning of the pre-drilled hole template by workers, improving both operational convenience and work efficiency. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the embodiment;

[0019] Figure 2 This is a schematic diagram illustrating the usage state of an embodiment;

[0020] Figure 3 This is a structural schematic diagram of an embodiment.

[0021] Reference numerals: 1. First frame; 2. Second frame; 3. Bolt hole; 4. Support steel plate; 5. Lifting ring; 6. Support frame; 7. Positioning part; 71. Positioning rod; 72. Positioning plate; 73. Positioning groove; 74. Control handwheel; 8. Positioning marking line. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings.

[0023] Reference Figure 1A pre-reserved hole template structure for concrete pouring includes a first frame 1 and a second frame 2. The first frame 1 and the second frame 2 are respectively formed by welding four angle irons end to end to form a rectangular frame structure, and the second frame 2 is located directly below the first frame 1.

[0024] Reference Figure 1 The second frame 2 is provided with multiple bolt holes 3, through which fastening bolts on the outer aluminum mold pass to fix the second frame 2 to the outer aluminum mold, that is, the bottom of the pre-drilled hole template can be fixed to the outer aluminum mold.

[0025] Reference Figure 1 The pre-reserved hole template structure for concrete pouring also includes four support steel plates 4. The tops of the four support steel plates 4 are welded and fixed to the first frame 1, and the bottoms are welded and fixed to the second frame 2, and adjacent support steel plates 4 are welded and fixed.

[0026] Apply release agent to the surfaces of the four support steel plates 4 respectively, then fix the second frame 2 to the outer aluminum formwork with multiple fastening bolts, and then pour concrete. After the concrete has cured, the pre-drilled hole template can be pulled out.

[0027] The concrete pouring pre-reserved hole formwork structure uses steel support plates 4, which effectively prevent the support plates 4 from absorbing moisture from the concrete, thereby reducing the risk of loosening or cracking around the pre-reserved hole and improving the hole formation quality. At the same time, the first frame 1 and the second frame 2, formed by welding angle iron, can effectively improve the structural strength of the pre-reserved hole formwork itself, thereby improving the pre-reserved hole formwork's resistance to lateral loads and further improving the hole formation quality.

[0028] Reference Figure 1 Lifting rings 5 ​​are welded and fixed on both sides of the first frame 1 to facilitate the handling and other operations of the pre-reserved hole template by the workers. At the same time, the area enclosed by the first frame 1 is larger than the area enclosed by the second frame 2, and the four support steel plates 4 form an inverted trapezoidal support structure to facilitate the demolding operation of the pre-reserved hole template by the workers.

[0029] Reference Figure 2 , Figure 3 The first frame 1 has support frames 6 on both sides, and each support frame 6 has a positioning part 7, which is used to position the connection nodes of the floor slab reinforcement. Each positioning part 7 includes a positioning rod 71, a positioning plate 72, and two positioning slots 73. The positioning rod 71 is vertically mounted on the support frame 6, the positioning plate 72 is horizontally mounted at the bottom of the positioning rod 71, and the two positioning slots 73 are respectively located on the bottom surface of the positioning plate 72. At the same time, each positioning slot 73 is cross-shaped, and two adjacent connection points of the floor slab reinforcement can be tightly engaged in the corresponding positioning slot 73.

[0030] The pre-drilled hole template is placed at the location where the concrete is to be poured, and the adjacent connection points of the floor slab reinforcement are tightly engaged in the corresponding positioning grooves 73, thereby achieving the positioning of the pre-drilled hole template. This design enables rapid positioning of the pre-drilled hole template, while also ensuring smooth connection between the bolt holes 3 and the fastening bolts on the external aluminum formwork, thus improving operational convenience.

[0031] Reference Figure 2 , Figure 3 The positioning rod 71 is threaded through the support frame 6. The top of the positioning rod 71 is fixedly connected to the control handwheel 74, and the bottom is rotatably connected to the positioning plate 72. Rotating the control handwheel 74 drives the positioning rod 71 to rotate, so as to realize the position adjustment of the positioning plate 72 and the reserved hole template, thereby improving the adaptability of use.

[0032] In this embodiment, after the concrete is poured into the floor slab and before the concrete has cured, the control handwheel 74 is turned to drive the positioning rod 71 to rotate, so that the positioning plate 72 moves upward until the positioning plate 72 separates from the concrete pouring layer. Then, concrete is poured below the positioning plate 72 to ensure that the pre-reserved hole template can be successfully demolded.

[0033] Reference Figure 1 , Figure 3 Each support steel plate 4 has positioning markings 8 on both sides of its surface. When workers adjust the position of the positioning part 7 or the reserved hole template, they can refer to the positioning markings 8 to ensure that the positions of the two sides of the reserved hole template are as accurate as possible, thereby improving the quality of hole formation.

[0034] The specific embodiments are merely explanations of this utility model and are not intended to limit it. After reading this specification, those skilled in the art can make modifications to these embodiments without contributing any inventive step, but such modifications are protected by patent law as long as they fall within the scope of the claims of this utility model.

Claims

1. A concrete placement post hole form structure, characterized by: The utility model relates to a kind of steel support frame for building construction, including: First frame (1) is by four angle iron sequentially welded to constitute rectangular frame structure in head and tail; Second frame (2) is by four angle iron sequentially welded to constitute rectangular frame structure in head and tail, and the second frame (2) is located in the first frame (1) directly below; Bolt hole (3) is multiple, and is respectively arranged on the second frame (2), and the bolt hole (3) is for the fastening bolt on external aluminum mould to pass through, to realize the fixation of the second frame (2) and external aluminum mould; Support steel sheet (4) is four, and the top of four support steel sheet (4) is respectively welded and fixed with the first frame (1), bottom is respectively welded and fixed with the second frame (2), and adjacent two support steel sheet (4) are welded and fixed.

2. A formwork structure for casting concrete with preformed holes according to claim 1, characterized in that: The area surrounded by the first frame (1) is greater than the area surrounded by the second frame (2), and the four support steel sheets (4) form an inverted trapezoidal support structure.

3. A formwork structure for casting concrete with preformed holes according to claim 1, characterized in that: The two sides of the first frame (1) are respectively welded and fixed with pull ring (5).

4. A formwork structure for casting concrete with preformed holes according to claim 1, characterized in that: The two sides of the first frame (1) are respectively provided with support frame (6), each support frame (6) is respectively provided with positioning part (7), and the positioning part (7) is used for cooperating positioning with the connecting joint of floor steel bar.

5. A formwork structure for casting concrete with preformed holes according to claim 4, characterised in that: Each positioning part (7) respectively includes positioning rod (71), positioning plate (72) and two positioning grooves (73), the positioning rod (71) is vertically arranged on the support frame (6), the positioning plate (72) is horizontally arranged on the bottom of the positioning rod (71), two positioning grooves (73) are respectively arranged on the bottom surface of the positioning plate (72), each positioning groove (73) is respectively cross-shaped, and the position of adjacent two connecting points of floor steel bar can be respectively tightly clamped into corresponding positioning groove (73).

6. A formwork structure for casting concrete with preformed holes according to claim 5, characterised in that: The positioning rod (71) is threaded on the support frame (6), the top of the positioning rod (71) is fixedly connected with control hand wheel (74), and the bottom is rotatably connected with the positioning plate (72).

7. A formwork structure for casting concrete with preformed holes according to claim 1, characterized in that: The two sides of the surface of each support steel sheet (4) are respectively provided with positioning scale line (8).

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