Pipeline root concrete pier mold and construction method thereof

Abstract

The invention provides a pipeline root concrete pier mold which comprises two pier body molds, the two pier body molds form a tubular structure, angle steel is arranged on the two sides of each pier body mold, the edge of one side of each angle steel is welded to the side wall of the corresponding pier body mold, a plate is fixedly connected to the inner side of each angle steel, and the plate is fixedly connected to the inner side of each angle steel. The other sides of the plates are welded to the edges of the pier body molds, a buckling piece is arranged between the two pier body molds and comprises a U-shaped piece, a T-shaped piece is welded to the inner side of the U-shaped piece, a connecting lug is fixedly connected to the side wall of the upper end of the U-shaped piece, and the buckling piece is a symmetrical structural piece. The two sides of the U-shaped piece both embrace the side wall of the angle steel, and the T-shaped piece is limited between the angle steel and the plate piece. The device is easy to manufacture on a construction site, meanwhile, the forming quality of the concrete pier is ensured, in addition, the mold is simple and rapid to fix, and a building body is not damaged.

Description

Technical Field

[0001] This invention relates to the field of casting mold technology, and in particular to a concrete pier mold for pipe roots and its construction method. Background Technology

[0002] Currently, wooden formwork is commonly used as a reinforcement for concrete piers at the base of pipes. Wooden formwork is preferred due to its advantages such as easy availability of materials and simplicity. However, wooden formwork requires processing and manufacturing, and installation involves combining it with timber and fixing it with diagonal braces. This process is complex and time-consuming. Furthermore, wooden formwork cannot be reused multiple times, and the construction process is relatively outdated, which can easily lead to worker negligence and potential quality problems.

[0003] 1. Traditional wooden formwork for reinforcing concrete piers results in low strength and easy deformation of the wooden formwork, leading to poor quality of the concrete piers. 2. The traditional method of finishing the top arc of a concrete pier involves multiple corrections with a trowel to achieve the arc shape, resulting in low finishing efficiency; 3. Traditional reinforced wooden formwork has a low turnover rate and requires repeated production, resulting in wasted costs. Summary of the Invention

[0004] To address the aforementioned problems, this invention discloses a concrete pier mold for pipe roots, comprising two pier molds forming a tubular structure. Angle steel is provided on both sides of each pier mold, with one edge of the angle steel welded to the side wall of the pier mold. A plate is fixedly connected to the inner side of the angle steel, and the other side of the plate is welded to the edge of the pier mold. A fastening element is provided between the two pier molds. The two pier molds are obtained by cutting a metal tube in half, and the angle steel and plate are fixed by welding, offering the advantage of simple material sourcing.

[0005] The fastening component includes a U-shaped component with a T-shaped component welded to its inner side. A connecting lug is fixedly connected to the upper sidewall of the U-shaped component. The fastening component is a symmetrical structure; in use, both sides of the U-shaped component engage with the sidewalls of the angle steel, while the T-shaped component is confined between the angle steel and the plate. The fastening component is obtained by welding several metal plates. The fastening component, in conjunction with the angle steel and plate fixing method, offers simple and quick operation and fixes the mold without damaging the building structure.

[0006] Preferably, two connecting plates are fixedly connected to the upper sidewall of one of the pier molds, and a closing tool is provided between the two connecting plates. The connecting plates are used to store the closing tool.

[0007] Preferably, the finishing tool includes a second square steel bar, with a first square steel bar fixedly connected to the middle of the second square steel bar, and a first arc plate fixedly connected to the lower end of the first square steel bar. That is, after the pouring and compaction are completed, the upper end of the concrete is shaped by hand using the finishing tool to obtain a curved transition.

[0008] Preferably, a bolt and nut are inserted through the middle of the first square steel, and a through hole is provided on the connecting plate. The bolt and nut are removed beforehand when taking out or putting away the closing tool.

[0009] Preferably, a reinforcing structure is fixedly connected to the upper part of the pier mold. The reinforcing structure includes a third square steel, a fourth square steel horizontally welded to the upper end of the third square steel, a fifth square steel interlaced inside the fourth square steel, and a second arc plate fixedly connected to one end of the fifth square steel. The second arc plate hugs the middle of the pipe. By the second arc plate hugging the side wall of the pipe, the position of the pier mold is determined.

[0010] Preferably, the sidewall of the fourth square steel is provided with several limiting holes, and the internal elastic element of the fifth square steel has a protruding post fixedly connected to one side of the elastic element. The protruding post passes through a pre-set through hole in the fifth square steel and protrudes from one of the limiting holes. The structure of the elastic element, the protruding post, and the limiting holes is used to maintain the position of the second arc plate.

[0011] A construction method for a concrete pier mold at the pipe root, comprising the following: Step 1: Two pier molds are set together at the base of the pipe. Then, fasteners are used to insert the structure composed of angle steel and plates from top to bottom. If necessary, tools are used to tap the connecting ears to create a circular hole inside the two pier molds. This circular hole is the space for pouring. Step 2: Press the protruding column, and the fifth square steel moves in the length direction without restriction, so that the second arc plate hugs the pipe in the middle, so that the two pier molds form a circular hole and the pipe are coaxial, ensuring that the radial thickness of the building is consistent. Step 3: Pour concrete into the hole and compact it. After that, remove the finishing tool and smooth the first arc plate so that the upper surface of the concrete transitions from the pipe to the pier mold in an arc. That is, the upper surface structure is trimmed manually. Step 4: After the concrete has cured, remove the mold.

[0012] The beneficial effects of this invention are as follows: 1. The pier formwork is made of galvanized steel pipe, which has good structural strength and is not easily deformed. Compared with wooden formwork, it is simple to manufacture, can be reused, and produces high-quality concrete piers, reducing rework.

[0013] 2. Angle steel, plates, fasteners, etc. are set on both sides of the pier formwork. The pier formwork is fixed by clamping and tightening. This method is simple to operate, does not require bolts or other connections, and will not damage the building structure.

[0014] 3. It is designed with finishing tools, which can be used to immediately trim the top of the concrete after pouring and compaction, and has the advantages of fast finishing speed and high efficiency. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the present invention; Figure 2 This is a three-dimensional schematic diagram of the pier mold of the present invention; Figure 3 This is a three-dimensional schematic diagram of the fastening component of the present invention; Figure 4 This is an exploded view of the reinforced structure of the present invention; Figure 5 This is a three-dimensional schematic diagram of the sealing tool of the present invention; Figure 6 This is a schematic diagram of the structure after the pipe root is demolded.

[0016] List of reference numerals in the attached diagram: 1. Pier formwork; 2. Finishing tools; 3. Connecting plates; 4. Reinforcing structures; 5. Fasteners; 6. Angle steel; 7. Plates.

[0017] 21. First arc plate; 22. First square steel; 23. Bolt and nut; 24. Second square steel; 41. Third square steel; 42. Fourth square steel; 43. Limiting hole; 44. Through hole; 45. Fifth square steel; 46. Protruding column; 47. Elastic element; 48. Second arc plate; 51. U-shaped part; 52. Connecting lug; 53. T-shaped part. Detailed Implementation

[0018] The present invention will be further illustrated below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are for illustrative purposes only and are not intended to limit the scope of the invention. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, and the terms "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0019] like Figures 1 to 6As shown, a concrete pier mold for the root of a pipe includes two pier molds 1, which form a tubular structure. Each pier mold 1 is obtained by cutting a galvanized steel pipe with a diameter of 250mm and a length of 300mm in half. Angle steel 6 is provided on both sides of each pier mold 1. This angle steel 6 can be an existing structural component or welded from metal plates with a thickness of 5mm and widths of 28mm and 30mm respectively. One edge of the angle steel 6 is welded to the side wall of the pier mold 1. A plate 7 with a thickness of 5mm and a width of 50mm is fixedly connected to the inner side of the angle steel 6. The other side of the plate 7 is welded to the edge of the pier mold 1. A fastening element 5 is provided between the two pier molds 1. The lengths of the fastening element 5, angle steel 6, and plate 7 are the same as the length of the pier mold 1, all being 300mm. Using galvanized steel pipe to make the pier mold 1 is simple in terms of material selection and welding fixation, making it easy to implement on-site.

[0020] The fastening component 5 includes a U-shaped component 51, which is made of a 100mm wide metal plate with two 58mm wide metal plates vertically welded to its two side edges. A T-shaped component 53 is welded to the inner side of the U-shaped component 51; the T-shaped component 53 is a 66mm wide metal plate with a 29mm wide metal plate welded to its center. A connecting lug 52 is fixedly connected to the upper side wall of the U-shaped component 51; the connecting lug 52 is a metal plate with dimensions of 110mm × 45mm. As a symmetrical structural component, when in use, both sides of the U-shaped component 51 hug the sidewalls of the angle steel 6, and the T-shaped component 53 is confined between the angle steel 6 and the plate 7. Furthermore, the T-shaped component 53 cannot be radially detached from the gap between the two angle steels 5. That is, the U-shaped component 51 hugs the angle steel 6 to ensure that the two pier molds 1 can fit together. The T-shaped component 53 is designed to prevent the fastener 1 from falling off the mating structure. In addition, the fastener 5 is 300mm long and the thickness of each metal plate is 5mm.

[0021] This fixing method does not use bolts or other fasteners and will not damage the building structure. The plug-in method is simple to operate and easy to implement.

[0022] Two connecting plates 3 are fixedly connected to the upper side wall of one of the pier molds 1. The thickness of the connecting plates 3 is 3mm, and the length and width are 50mm×35mm respectively. A closing tool 2 is set between the two connecting plates 3. The closing tool 2 is placed through the connecting plates 3 to achieve integration and avoid loss.

[0023] The finishing tool 2 includes a second square steel 24, which is 60mm long. A first square steel 22 is fixedly connected to the middle of the second square steel 24. The first square steel 22 is 50mm long. A first arc plate 21 is fixedly connected to the lower end of the first square steel 22. The first arc plate 21 is formed by bending a metal plate with dimensions of 100×60×3mm.

[0024] A bolt and nut 23 are inserted through the middle of the first square steel 22. A through hole is provided on the connecting plate 3. When the closing tool 2 is needed, the bolt and nut 23 are removed, the closing tool 2 is removed from the connecting plate 3, and then the bolt and nut 23 is put back on the connecting plate 3 to avoid loss. The process of placing the closing tool 2 is the reverse.

[0025] The upper part of the pier mold 1 is fixedly connected to a reinforcing structure 4. The reinforcing structure 4 includes a third steel 41 with a length of 130mm. A fourth steel 42 with a length of 70mm is horizontally welded to the upper end of the third steel 41. A fifth steel 45 with a length of 80mm is interspersed inside the fourth steel 42. A second arc plate 48 is fixedly connected to one end of the fifth steel 45. The second arc plate 48 hugs the middle pipe. The second arc plate 48 is obtained by bending a steel plate with a length and width of 50mm, and the inner arc is as close as possible to the side wall of the pipe.

[0026] Furthermore, the cross-sectional profiles of the first square steel 22, the second square steel 24, the third square steel 41, and the fourth square steel 42 are all squares with a side length of 20mm, while the cross-sectional profile of the fifth square steel 45 is a square with a side length of 15mm.

[0027] The side wall of the fourth square steel 42 is provided with several limiting holes 43, the diameter of the limiting holes 43 is 6mm. The internal elastic element 47 of the fifth square steel 45 has a protruding post 46 fixedly connected to one side of the elastic element 47. The protruding post 46 has a diameter of 5mm and is obtained by stamping. The elastic element 47 is obtained by bending a thin steel plate. The protruding post 46 passes through the pre-set through hole 44 on the fifth square steel 45 and protrudes from one of the limiting holes 43.

[0028] A construction method for a concrete pier mold at the pipe root, comprising the following: Step 1: Two pier molds 1 are set together at the root of the pipe. Then, the fasteners 5 are inserted from top to bottom into the structure composed of angle steel 6 and plate 7. If necessary, the connecting lugs 52 are tapped with a tool to quickly press the fasteners 5 in, so that the inside of the two pier molds 1 forms a circular hole, which is the space for pouring. Step 2: Press the protruding column 46, and the fifth square steel 45 moves in the length direction without restriction, so that the second arc plate 48 hugs the pipe in the middle, so that the two pier molds 1 form a circular hole and the pipe are coaxial. By reinforcing the structure 4, the position of the entire mold is determined, ensuring that the radial pouring thickness of the concrete remains consistent. Step 3: Pour concrete into the hole and compact it. After compaction, remove the finishing tool 2 and smooth the first arc plate 21 to make the upper surface of the concrete transition from the pipe to the pier mold 1 in an arc. Here, the upper surface of the concrete is trimmed manually. Note that if there is not enough concrete, it needs to be added. The trimming structure of the upper surface is as follows: Figure 6 As shown, this structure avoids the problem of water accumulation on the concrete; Step 4: After the concrete has cured, remove the mold. The concrete pier at the base of the pipe should look like this. Figure 6 As shown.

[0029] The technical means disclosed in this invention are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features.

Claims

1. A concrete pier mold for pipe root, characterized in that, It includes two pier molds (1), and the two pier molds (1) form a tubular structure. Angle steel (6) is provided on both sides of the pier mold (1), and one edge of the angle steel (6) is welded to the side wall of the pier mold (1). A plate (7) is fixedly connected to the inner side of the angle steel (6), and the other side of the plate (7) is welded to the edge of the pier mold (1). A fastening piece (5) is provided between the two pier molds (1). The fastening component (5) includes a U-shaped component (51), a T-shaped component (53) is welded to the inner side of the U-shaped component (51), and a connecting ear (52) is fixedly connected to the upper side wall of the U-shaped component (51). The fastening component (5) is a symmetrical structural component, and when in use, both sides of the U-shaped component (51) hug the side wall of the angle steel (6), and the T-shaped component (53) is limited between the angle steel (6) and the plate (7).

2. The concrete pier mold for pipe root as described in claim 1, characterized in that: Two connecting plates (3) are fixedly connected to the upper side wall of one of the pier molds (1), and a closing tool (2) is provided between the two connecting plates (3).

3. The concrete pier mold for pipe root as described in claim 2, characterized in that: The closing tool (2) includes a second square steel (24), a first square steel (22) is fixedly connected to the middle of the second square steel (24), and a first arc plate (21) is fixedly connected to the lower end of the first square steel (22).

4. The concrete pier mold for pipe root as described in claim 3, characterized in that: A bolt and nut (23) are inserted through the middle of the first square steel (22), and a through hole is provided on the connecting plate (3).

5. The concrete pier mold for pipe root as described in claim 1, characterized in that: The upper part of the pier mold (1) is fixedly connected to a reinforcing structure (4). The reinforcing structure (4) includes a third steel (41). A fourth steel (42) is horizontally welded to the upper end of the third steel (41). A fifth steel (45) is interspersed inside the fourth steel (42). A second arc plate (48) is fixedly connected to one end of the fifth steel (45). The second arc plate (48) hugs the pipe in the middle.

6. The concrete pier mold for pipe root as described in claim 5, characterized in that: The side wall of the fourth square steel (42) is provided with several limiting holes (43), and the internal elastic element (47) of the fifth square steel (45) is fixedly connected to one side of the elastic element (47) with a protruding post (46). The protruding post (46) passes through the pre-set through hole (44) on the fifth square steel (45) and protrudes from one of the limiting holes (43).

7. A construction method for a concrete pier mold at the root of a pipeline, as described in claims 1-6, characterized in that, Includes the following: Step 1: Two pier molds (1) are set together at the root of the pipe. Then, the fastener (5) is used to insert the structure composed of angle steel (6) and plate (7) from top to bottom, so that the inside of the two pier molds (1) forms a circular hole. Step 2: Press the protruding column (46), and the fifth square steel (45) moves in the length direction without restriction, so that the second arc plate (48) hugs the pipe in the middle, so that the two pier molds (1) form a circular hole and the pipe are coaxial; Step 3: Pour concrete into the hole and compact it. After that, remove the finishing tool (2) and smooth the first arc plate (21) so that the upper surface of the concrete transitions from the pipe to the pier mold (1) in an arc. Step 4: After the concrete has cured, remove the mold.

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