Round concrete foundation assembly type aluminum mold tool

Abstract

The utility model provides a round concrete foundation assembly type aluminum mold tool which comprises an outer fixing ring, an air bag strip and an inner fixing ring, the inner fixing ring is sleeved with the outer fixing ring, the air bag strip is arranged between the outer fixing ring and the inner fixing ring in a threaded mode, the inner fixing ring comprises a plurality of second plate pieces, the second plate pieces are flexible pieces, and the second plate pieces are connected with the air bag strip in a threaded mode. The side walls of the two sides of each second plate are provided with a protruding strip and a dovetail groove respectively, the protruding strips are matched in the dovetail grooves, the second plates are connected end to end through the protruding strips and the dovetail grooves to form an inner fixing ring, and the side walls of the lower portions of the second plates are fixedly connected with a lower wrapping edge. The inner diameters of the upper and lower covered edges of the inner fixing ring are equal to the outer diameter of the upper part of the inner fixing ring. The device can be used for construction of concrete foundations with different diameters, and meanwhile the quality of the concrete foundations is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of building formwork, in particular to a circular concrete foundation assembled aluminum formwork tool. Background Art

[0002] Currently, domestic circular equipment foundations primarily utilize traditional thin-walled wooden formwork, either bent and formed using a plate-type formwork for the inner ring and reinforced with wooden planks for the outer ring. These traditional formwork construction methods offer advantages such as simple material selection but high woodworking skills, poor deformation resistance, and the potential for deviation and skewness caused by vibration during the concrete pouring process. This makes forming and reinforcement difficult, resulting in poor external quality. This can easily lead to dimensional deviations, mold failure, or rework, resulting in significant economic losses.

[0003] Metal formwork is also used, but this type of formwork is specific, that is, it is customized according to the diameter of the concrete foundation. The diameter of the concrete foundation used for construction and pouring is unique, so it is not very versatile. Summary of the Invention

[0004] To address the aforementioned issues, the present invention discloses a circular concrete foundation assembled aluminum formwork assembly, comprising an outer retaining ring, an airbag strip, and an inner retaining ring. The inner retaining ring is sleeved within the outer retaining ring, and the airbag strip is threadedly disposed between the outer and inner retaining rings. The outer retaining ring has a polygonal cross-section, while the inner retaining ring has a circular cross-section. While the outer retaining ring is intended to support the inner retaining ring, their shapes differ, resulting in a gap between them. This gap is bound to deform during the compaction of the concrete foundation, so the airbag strip is added to fully fill the gap, thereby ensuring support stability.

[0005] The inner retaining ring comprises several flexible second plates. The sidewalls of the second plates are each provided with a ridge and a dovetail groove. The ridges fit within the dovetail grooves, and the plurality of second plates are connected end-to-end via the ridges and dovetail grooves to form the inner retaining ring. Specifically, the end-to-end connection of the second plates, coupled with their flexibility, creates a cylindrical structure. This elastic recovery of the second plates enhances the roundness of the cylindrical structure. Selecting a suitable number of second plates allows the diameter of the cylindrical structure to be controlled, thus expanding the scope of application of the tool.

[0006] The lower sidewall of the second plate is fixedly connected with a lower edge, and the inner diameter of the upper and lower edges of the inner fixing ring is equal to the outer diameter of the upper portion of the inner fixing ring. That is, the setting of the lower edge allows the upper and lower adjacent inner fixing rings to be nested with each other.

[0007] Preferably, the outer retaining ring comprises several first plates, each with a vertically extending central reinforcement rib. Support bolts are threaded onto the ribs at equal intervals, with the ends of the support bolts resting against the sidewalls of the inner retaining ring. The support bolts are the primary support for the inner retaining ring, while the airbag strips ensure uniform support for the inner retaining ring, minimizing deformation.

[0008] Preferably, the upper and lower ends of the first plate are both provided with folded edges, and the folded edges are provided with a plurality of holes. The folded edges and holes are used to fix and connect the upper and lower adjacent outer fixing rings by bolts.

[0009] Preferably, a plurality of angle connectors are provided between adjacent first plates. The angle connectors are bent rods with fixing bolts inserted at both ends. A plurality of threaded holes are provided on both sides of the first plates, and the fixing bolts and the threaded holes are matched. By means of the angle connectors and the fixing bolts, the adjacent first plates are fixedly connected.

[0010] Preferably, the first plate is provided with a plurality of through holes, which not only reduces the weight of the outer fixing ring but also provides a layout channel for the air pipe for inflating the airbag strip.

[0011] Preferably, the length of the second plate is 1.0 to 1.5 meters and the width is 30 to 90 cm. That is, according to the diameter or perimeter of the concrete foundation, the appropriate number and width of the second plate are selected, and an assembly plan is obtained whose length meets the perimeter of the concrete foundation.

[0012] The beneficial effects of the present invention are as follows:

[0013] 1. First, multiple second plates are used to connect the ends to form an inner fixing ring with good roundness after connection. An outer fixing ring is provided on the outside of the inner fixing ring. Support bolts are provided on the outer fixing ring. The support bolts are against the outer wall of the inner fixing ring. An airbag strip is also provided between the two. In conjunction with the support bolts, the deformation of the inner fixing ring is greatly reduced during the pouring process, thereby ensuring the pouring quality.

[0014] 2. Since the second plate is made of flexible material and is connected at the head and tail to form a cylindrical structure, by selecting the appropriate number and width of second plates, internal fixing rings with different inner diameters can be obtained, which is beneficial to the construction needs of different concrete foundations. That is, the scope of application of the present invention is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the present invention;

[0016] Figure 2 is a schematic diagram of a first assembly unit of the present invention;

[0017] Figure 3is a perspective schematic diagram of a second assembling unit of the present invention;

[0018] Figure 4 is a bottom schematic diagram of the second assembling unit of the present invention;

[0019] Figure 5 It is a three-dimensional schematic diagram of the airbag strip of the present invention.

[0020] List of reference numerals:

[0021] 1. External fixing ring; 2. Airbag strip; 3. Internal fixing ring;

[0022] 11. Fixing bolt; 12. Corner connector; 13. First plate; 14. Through hole; 15. Folding edge; 16. Reinforcement rib; 17. Support bolt; 31. Lower hemming; 32. Second plate; 33. Raised strip; 34. Dovetail groove. DETAILED DESCRIPTION

[0023] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are intended only to illustrate the present invention and are not intended to limit the scope of the present 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 "inward" and "outward" refer to directions toward or away from the geometric center of a particular component, respectively.

[0024] like Figures 1 to 5 As shown, a circular concrete foundation assembled aluminum formwork tooling includes an outer fixing ring 1, an airbag strip 2 and an inner fixing ring 3. In the figure, the cross-section of the outer fixing ring 1 is polygonal, the cross-section of the inner fixing ring 3 is circular, and the inner fixing ring 3 is sleeved inside the outer fixing ring 1. The airbag strip 2 is threadedly arranged between the outer fixing ring 1 and the inner fixing ring 3. Since there is a gap between the outer fixing ring 1 and the inner fixing ring 3, the airbag strip 2 is used to fill it, so as to fully support the side wall of the inner fixing ring 3, ensuring that the roundness of the inner fixing ring 3 is within the error range when subjected to force.

[0025] The inner retaining ring 3 comprises several second plates 32. These second plates 32 are flexible and, in their natural state, are flat plates. The diagram shows them in use. The sidewalls of the second plates 32 are provided with ridges 33 and dovetail grooves 34. The ridges 33 fit within the dovetail grooves 34. Several second plates 32 are connected end-to-end via the ridges 33 and dovetail grooves 34 to form the inner retaining ring 3. The appropriate number of second plates 32 is selected based on the diameter of the concrete foundation to form an inner retaining ring 3 with the corresponding inner diameter.

[0026] The lower sidewall of the second plate 32 is fixedly connected with a lower edging 31. The inner diameter of the upper and lower edgings 31 of the inner fixing ring 3 is equal to the outer diameter of the upper portion of the inner fixing ring 3. The setting of the lower edging 31 can realize the sleeve fixation of the upper and lower adjacent inner fixing rings 3.

[0027] The outer fixing ring 1 includes several first plates 13, and a reinforcing rib 16 is vertically provided in the middle of the first plate 13 to improve the structural strength of the first plate 13. Support bolts 17 are threadedly connected at equal intervals on the reinforcing rib 16, and the ends of the support bolts 17 are against the side walls of the inner fixing ring 3. When the inner fixing ring 3 is installed inside the outer fixing ring 1, the inner fixing ring 3 can be supported and fixed by the support bolts 17. At the same time, the support screw 17 used in linkage can ensure the accurate position of the inner fixing ring 3.

[0028] The upper and lower ends of the first plate 13 are both provided with folded edges 15, and a plurality of holes are provided on the folded edges 15. When the upper and lower outer fixing rings 1 are connected to each other, the folded edges 15 provide a supporting connection surface, and bolts are used to pass through the holes to achieve fixed connection of the upper and lower outer fixing rings 1.

[0029] Several corner connectors 12 are provided between adjacent first panels 13. These corner connectors 12 are bent rods with fixing bolts 11 inserted at both ends. Several threaded holes are provided on both sides of the first panels 13, and the fixing bolts 11 fit into the threaded holes. The corner connectors 12 and fixing bolts 11 securely connect adjacent first panels 13.

[0030] The first plate 13 is provided with a plurality of through holes 14. The through holes 14 not only reduce the weight of the tooling, but are also used for the passage of trachea to inflate the airbag strip 2.

[0031] The length of the second plate 32 is 1.0 to 1.5 meters, and the width is 30 to 90 cm. A variety of different specifications can be combined with each other to meet the construction needs of concrete foundations with different diameters, and the number of the corresponding first plates 13 will also be adjusted accordingly.

[0032] The technical means disclosed in the solution of the present invention are not limited to the technical means disclosed in the above-mentioned embodiment, but also include technical solutions composed of any combination of the above technical features.

Claims

1. A circular concrete foundation assembled aluminum formwork tooling, characterized by: It comprises an outer fixing ring (1), an airbag strip (2) and an inner fixing ring (3), wherein the inner fixing ring (3) is sleeved inside the outer fixing ring (1), and the airbag strip (2) is threadedly arranged between the outer fixing ring (1) and the inner fixing ring (3); The inner fixing ring (3) includes a plurality of second plates (32), the second plates (32) being flexible members, and the side walls of the second plates (32) are respectively provided with convex strips (33) and dovetail grooves (34), the convex strips (33) being fitted in the dovetail grooves (34), and the plurality of second plates (32) are connected end to end through the convex strips (33) and the dovetail grooves (34) to form the inner fixing ring (3); The lower side wall of the second plate (32) is fixedly connected to a lower edging (31), and the inner diameters of the upper and lower edgings (31) of the inner fixing ring (3) are equal to the outer diameter of the upper portion of the inner fixing ring (3).

2. The circular concrete foundation assembled aluminum formwork tooling according to claim 1, characterized in that: The outer fixing ring (1) comprises a plurality of first plates (13), wherein a reinforcing rib (16) is vertically provided in the middle of the first plate (13), and support bolts (17) are threadedly connected to the reinforcing rib (16) at equal intervals, and the ends of the support bolts (17) abut against the side walls of the inner fixing ring (3).

3. The circular concrete foundation assembled aluminum formwork tooling according to claim 2, characterized in that: The upper and lower ends of the first plate (13) are both provided with folded edges (15), and the folded edges (15) are provided with a plurality of holes.

4. The circular concrete foundation assembled aluminum formwork tooling according to claim 2, characterized in that: A plurality of corner connectors (12) are provided between adjacent first plates (13), wherein the corner connectors (12) are bent rods, and fixing bolts (11) are inserted through both ends of the corner connectors. A plurality of threaded holes are provided on both sides of the first plates (13), and the fixing bolts (11) and the threaded holes cooperate.

5. The circular concrete foundation assembled aluminum formwork tooling according to claim 2, characterized in that: A plurality of through holes (14) are provided on the first plate (13).

6. The circular concrete foundation assembled aluminum formwork tooling according to claim 1, characterized in that: The second plate (32) has a length of 1.0 to 1.5 m and a width of 30 to 90 cm.

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