Special-shaped section die of special-shaped pile

Abstract

The utility model discloses a special-shaped section die for a special-shaped pile. The special-shaped section die comprises an upper die body and a lower die body which can be buckled with each other to form a special-shaped die cavity, a material injection port used for injecting materials into the special-shaped mold cavity and exhausting air is formed in the upper part of the upper mold body in the length direction of the upper mold body; the special-shaped mold cavity comprises a cylindrical mold cavity used for forming an arc-shaped cylindrical surface on the special-shaped section of the special-shaped pile and a convex rib mold cavity used for forming a reinforcing convex rib on the special-shaped section of the special-shaped pile. The special-shaped section mold of the special-shaped pile can be matched with a square concrete pile mold to manufacture the special-shaped pile with the square sections and the special-shaped sections alternately matched, and then the special-shaped pile with good performance is obtained.

Description

Technical Field

[0001] This utility model relates to the field of precast pile manufacturing technology, and in particular to a mold for irregularly shaped sections of irregularly shaped piles. Background Technology

[0002] In the field of precast pile technology, in order to obtain precast piles that possess advantages such as large end face area, strong hammer impact resistance, reduced pile cap area, lower cost, good directional force, high end resistance, easy static pressure machine clamping for pile driving, improved efficiency, and reduced damage, as well as good compressive, bending, and shear resistance, and a high slenderness ratio to save production resources and reduce construction costs, while also improving the interaction force between the precast pile and the soil, precast piles are often processed into irregularly shaped piles. Specifically, irregularly shaped piles include square segments with a square cross-section and irregularly shaped segments with an irregular cross-section, which are alternately arranged along the length of the pile body. The irregularly shaped segments include at least a cylindrical part with a circular cross-section, the diameter of which is less than or equal to the side length of the square segment, and protruding reinforcing ribs extending radially outward on the outer surface of the cylindrical part. The pile body has square segments at both ends.

[0003] However, how to process the irregular segment structure of irregular piles is a technical problem that urgently needs to be solved. Utility Model Content

[0004] This utility model addresses the above-mentioned problems by proposing a mold for irregularly shaped sections of irregularly shaped piles.

[0005] The technical means adopted in this utility model are as follows:

[0006] A mold for an irregularly shaped section of an irregularly shaped pile includes: an upper mold body and a lower mold body that can interlock to form an irregularly shaped mold cavity;

[0007] The upper part of the upper mold body is provided with a material injection port for injecting material into the irregular mold cavity and for venting along the length direction of the upper mold body;

[0008] The irregular mold cavity includes a cylindrical mold cavity for forming an arc-shaped cylindrical surface in the irregular section of the irregular pile and a rib mold cavity for forming reinforcing ribs in the irregular section of the irregular pile.

[0009] Furthermore, the rib mold cavity is a cavity structure capable of forming four circumferentially distributed rib structures with protruding corner reinforcing ribs arranged along the length of the irregular section on the irregular section of the irregular pile.

[0010] Furthermore, the rib mold cavity forms a protruding angle reinforcing rib structure on the irregular section with an angle greater than 90° and less than 110°.

[0011] Furthermore, both sides of the upper mold body and the lower mold body are provided with engaging structures for engaging and positioning each other when the upper and lower mold bodies are fastened together.

[0012] Furthermore, the upper mold body includes two opposing upper mold body segments, with the injection port formed between the two upper mold body segments; the upper parts of the two upper mold body segments are fixedly connected by an arc-shaped connecting plate.

[0013] Furthermore, an upper baffle is fixed on the upper mold body segment, and the arc-shaped connecting plate is fastened to the upper baffle. The arc-shaped connecting plate is also provided with a flat connecting plate for connecting the two upper mold body segments.

[0014] Furthermore, the outer side of the upper mold body flap is also provided with a plurality of first reinforcing ribs arranged along the cross-sectional direction of the upper mold body and a second reinforcing rib arranged along the length direction of the upper mold body; the second reinforcing rib is fixedly connected to the first reinforcing rib, so that a gripping space is formed between the second reinforcing rib and the upper mold body flap, which can be used for handling the upper mold body.

[0015] Furthermore, the length of the upper mold body and the lower mold body used for fastening on one side is less than the length away from the side used for fastening, so that the two sides of the upper mold body and the lower mold body form demolding edges;

[0016] Both ends of the upper mold body and the lower mold body are also provided with demolding slopes.

[0017] Furthermore, the lower mold body is provided with fixing threaded holes on both sides, which are used to fix the lower mold body placed in the concrete pile mold to the concrete pile mold by bolts.

[0018] Furthermore, the length of the irregularly shaped mold is 700mm.

[0019] Compared with the prior art, the irregular segment mold of the irregular pile disclosed in this utility model has the following beneficial effects: the irregular segment mold of the irregular pile disclosed in this utility model can be used in conjunction with the square concrete pile mold to easily manufacture irregular piles with alternating square segments and irregular segments, thereby obtaining irregular concrete piles with excellent performance. Attached Figure Description

[0020] Figure 1 This is an axial view of the irregular segment mold for the irregular pile disclosed in this utility model;

[0021] Figure 2 This is a front view of the irregular segment mold for the irregular pile disclosed in this utility model;

[0022] Figure 3 for Figure 2 The left view;

[0023] Figure 4 for Figure 2Sectional view at CC;

[0024] Figure 5 This refers to the irregularly shaped pile structure to be manufactured in this utility model.

[0025] In the diagram: 1. Upper mold body; 10. Injection port; 11. Upper mold body flap; 12. Arc-shaped connecting plate; 13. Flat connecting plate; 14. Upper baffle; 15. First reinforcing rib plate; 16. Second reinforcing rib plate; 17. Gripping space; 2. Lower mold body; 20. Fixed threaded hole; 3. Irregular mold cavity; 30. Columnar mold cavity; 31. Rib mold cavity; 32. Arc-shaped surface; 4. Engaging structure; 50. Demolding edge; 51. Demolding slope; 6. Irregular pile; 60. Pile body; 61. Square segment; 62. Irregular segment; 63. Protruding reinforcing rib; 64. Columnar part. Detailed Implementation

[0026] like Figure 1 , Figure 2 and Figure 3 The figure shown is a mold for an irregularly shaped pile disclosed in this utility model, including: an upper mold body 1 and a lower mold body 2 that can be interlocked to form an irregularly shaped mold cavity 3;

[0027] The upper part of the upper mold body 1 is provided with a material injection port 10 along the length direction of the upper mold body 1 for injecting material into the irregular mold cavity 3 and for venting.

[0028] The irregular mold cavity 3 includes a cylindrical mold cavity 30 for forming an arc-shaped cylindrical surface in the irregular section of the irregular pile and a reinforcing rib mold cavity 31 for forming reinforcing ribs in the irregular section of the irregular pile.

[0029] Specifically, such as Figure 5The diagram shows the structure of the irregularly shaped pile 6 to be manufactured according to this utility model, including: a pile body 60, which includes square segments 61 with a square cross-section and irregularly shaped segments 62 with an irregular cross-section, alternating along the length of the pile body; each irregularly shaped segment 62 includes at least a cylindrical portion 64 with a circular cross-section, the diameter of which is less than or equal to the side length of the square segment; and protruding reinforcing ribs 63 extending radially outward on the outer surface of the cylindrical portion. The two ends of the pile body are the square segments. This irregularly shaped pile structure has the advantages of a large end face area, strong hammer impact resistance, reduced pile cap area, lower cost, good directional force, high end resistance, easy clamping and driving by static pressure machine, improved efficiency, and reduced damage; it also has good compressive, bending, and shear resistance, and a high slenderness ratio, saving production resources and reducing construction costs; and it can also improve the interaction force between the precast pile and the soil. To form the aforementioned irregular pile structure, this application requires adding an irregular segment mold for forming irregular segments to the existing square concrete pile mold, thereby creating an irregular pile structure that includes alternating square and irregular segments. The irregular segment mold for the irregular pile disclosed in this application includes: an upper mold body and a lower mold body that can interlock to form an irregular mold cavity; the upper mold body 1 has an injection port 10 along its length for injecting material into the irregular mold cavity 3 and for venting; the irregular mold cavity 3 includes a cylindrical mold cavity 30 for forming an arc-shaped cylindrical surface in the irregular segment of the irregular pile and a reinforcing rib mold cavity 31 for forming reinforcing ribs in the irregular segment of the irregular pile. When manufacturing irregularly shaped piles using this irregularly shaped segment mold, one or more of these molds are placed at predetermined intervals within a square concrete pile mold. When concrete is fed into the square concrete pile mold via a placing trolley, the concrete material is injected into the irregularly shaped mold cavity through the injection port on the upper mold body, and the gas in the irregularly shaped mold cavity is discharged from the injection port. Since the irregularly shaped mold cavity includes a cylindrical mold cavity 30 for forming arc-shaped cylindrical surfaces in the irregularly shaped segments of the pile and a reinforcing rib mold cavity 31 for forming reinforcing ribs in the irregularly shaped segments of the pile, it is convenient to form irregularly shaped segment structures on square piles. Furthermore, the irregularly shaped segment molds are interlocking structures, facilitating the separation of the mold from the pile after the irregularly shaped segments are formed.

[0030] Furthermore, the protruding rib mold cavity 31 is a cavity structure capable of forming four circumferentially distributed protruding corner reinforcing ribs on the irregular section of the irregular pile and arranged along the length direction of the irregular section.

[0031] Specifically, in this embodiment, as Figure 3As shown, after the upper and lower mold bodies are joined together, they form a roughly square cross-section. Inside the square structure, a roughly square cavity structure is formed, that is, the cavity includes four opposing inner sidewalls. An arc-shaped surface 32 is machined in the middle of each inner sidewall. The arc-shaped surface is used to form the arc-shaped cylindrical surface of the irregular-shaped pile segment. The four corners of the square cavity are used to form the reinforcing rib structure of the irregular-shaped pile segment. Figure 3 The dashed box schematically represents the cylindrical mold cavity, and the four approximately triangular portions around the dashed box schematically represent the rib mold cavity. The irregular segment mold disclosed in this embodiment has the following advantages because it can form protruding corner reinforcing ribs at the included angles of the four sides of the square pile on the outer periphery of the irregular segment (cylindrical part) of the irregular pile: 1. The protruding corner reinforcing ribs at the included angles of the four sides of the square pile on the outer periphery of the irregular segment (cylindrical part) form a reinforcing rib structure, improving the supporting structural force of the square and irregular segments at the included angles, thus increasing the strength of the pile; 2. The protruding corner reinforcing ribs at the included angles reduce the distance of soil backfilling (soil being backfilled into the groove after being compressed); 3. The protruding corner reinforcing ribs increase the perimeter of the cylindrical part, thereby increasing the lateral area of ​​the irregular segment, thus increasing the friction between the pile and the soil, and improving the bearing capacity of the pile.

[0032] Furthermore, the protruding rib mold cavity 31 forms a protruding angle reinforcing rib structure on the irregular section with an angle greater than 90° and less than 110°.

[0033] Specifically, the four corners 'a' of the irregular mold cavity are greater than 90° and less than 110°, and preferably, the protruding angle is 100°. A protruding angle greater than 90° not only provides better structural support at the angle between the square segment and the irregular segment, thus improving the strength of the pile, but also facilitates casting and demolding.

[0034] Furthermore, the upper mold body 1 and the lower mold body 2 are provided with engaging structures 4 on both sides for engaging and positioning each other when the upper and lower mold bodies are fastened together.

[0035] Specifically, in this embodiment, the engaging structure 4 consists of engaging protrusions and engaging grooves provided on the engaging edges of the upper and lower mold bodies. In the figure, the engaging protrusions are provided on the upper mold body, and the engaging grooves are provided on the lower mold body; alternatively, the engaging protrusions can be provided on the lower mold body, and the engaging grooves can be provided on the upper mold body. Preferably, the engaging protrusions and engaging grooves are trapezoidal in shape. The engaging structure facilitates the positioning and installation of the upper and lower mold bodies.

[0036] Furthermore, the upper mold body 1 includes two opposing upper mold body segments 11, with the injection port 10 formed between the two upper mold body segments 11; the upper parts of the two upper mold body segments 11 are fixedly connected by an arc-shaped connecting plate 12.

[0037] Specifically, the lower mold body can be integrally formed by sheet metal or other machining methods, or assembled by welding or other methods. The upper mold body includes two upper mold body segments, which are set at a certain distance and fixedly connected by an arc-shaped connecting plate to form an integral structure. The distance between the two upper mold body segments forms the injection port, which is set along the length of the mold body. The two upper mold body segments are connected by the arc-shaped connecting plate. The arc-shaped connecting plate not only has strong strength to ensure the connection strength of the two upper mold body segments, but also the arc-shaped outer wall of the arc-shaped connecting plate can facilitate the sliding of concrete material and prevent concrete material from accumulating on the arc-shaped connecting plate.

[0038] Furthermore, an upper baffle 14 is fixed on the upper mold body 11, and the arc-shaped connecting plate 12 is fastened to the upper baffle 14. The arc-shaped connecting plate 12 is also provided with a flat connecting plate 13 for connecting the two upper mold body 11.

[0039] Specifically, such as Figure 2 As shown, an upper baffle 14 is provided along the length of the upper mold body segment 11. The upper baffle 14 is fixed to the upper surface of the upper mold body segment by welding or other means. By setting the upper baffle 14, the concrete material can be blocked, thereby preventing the material that spills outside the injection port from entering the irregular section mold and the square concrete pile mold. The arc-shaped connecting plate is fastened to the upper baffle and fixedly connected by welding or other means. At the same time, in order to further improve the connection strength between the two upper mold body segments, a flat connecting plate is also provided on the upper baffle inside the arc-shaped connecting plate. The flat connecting part is fixedly connected to the upper baffle by welding or other means.

[0040] Furthermore, the outer side of the upper mold body flap 11 is also provided with a plurality of first reinforcing ribs 15 arranged along the cross-sectional direction of the upper mold body 1 and a second reinforcing rib 16 arranged along the length direction of the upper mold body 1; the second reinforcing rib 16 is fixedly connected to the first reinforcing ribs 15, so that a gripping space 17 is formed between the second reinforcing rib 16 and the upper mold body flap 11, which can be used for gripping when transporting the upper mold body 1.

[0041] Specifically, such as Figure 2 and Figure 4As shown, one or more first reinforcing ribs (longitudinal ribs) aligned with the longitudinal section direction of the mold body are provided on the outer side walls of the upper and lower mold bodies to improve the strength of the upper and lower mold bodies. A second reinforcing rib (transverse rib) is also provided on the upper mold body along its length. The upper end of the second reinforcing rib is fixedly connected to the lower edge of the upper baffle by welding or other means, and the lower end of the second reinforcing rib is fixedly connected to the upper edge of the first reinforcing rib by welding or other means. A certain space is formed between the first and second reinforcing ribs, which can be used for handling or demolding the upper mold body. Operators can insert their hands into this space or use hooks or other tools to hook the space for easy handling or demolding.

[0042] Furthermore, the upper mold body 1 and the lower mold body 2 are used to fasten one side ( Figure 2 The length of the portion indicated by A is less than the length of the side furthest from the one used for fastening. Figure 2 (as indicated by B in the text) so that the two sides of the upper mold body 1 and the lower mold body 2 form demolding edges 50; the two ends of the upper mold body 1 and the lower mold body 2 are also provided with demolding slopes 51.

[0043] Specifically, after the upper and lower molds are engaged, the length of the middle section of the mold's side plate should be slightly shorter than the lengths of the upper and lower ends (i.e., the cross-sectional shape of the upper and lower mold bodies is trapezoidal when viewed from the side), thus forming a demolding edge to facilitate demolding of the mold from the concrete pile. Furthermore, the two end faces of the upper and lower molds are inclined at a certain angle towards the inside of the cavity, thus forming a demolding ramp. The preferred angle for the demolding ramp is 45°, but other angles are also possible. This not only creates an inclined transition surface at the transition surface of the irregularly shaped pile to protect its strength but also facilitates demolding of the irregularly shaped pile from the mold.

[0044] Furthermore, the lower mold body 2 is provided with fixing threaded holes 20 on both sides, which are used to fix the lower mold body placed in the concrete pile mold to the concrete pile mold by bolts.

[0045] Specifically, there are four fixing threaded holes on both sides of the lower mold body, one at each end of the lower mold body. A through hole is provided at the corresponding position of the square concrete pile mold, through which bolts can be threaded and connected to the fixing threaded hole, thereby fixing the lower mold body to the square concrete pile mold.

[0046] Furthermore, the length of the irregularly shaped mold is 700mm to facilitate the driving of the manufactured irregularly shaped piles.

[0047] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A mold for irregularly shaped sections of an irregularly shaped pile, characterized in that, include: It includes an upper mold body (1) and a lower mold body (2) that can interlock to form an irregular mold cavity (3); The upper part of the upper mold body (1) is provided with a material injection port (10) for injecting material into the irregular mold cavity (3) and for venting along the length direction of the upper mold body (1). The irregular mold cavity (3) includes a cylindrical mold cavity (30) for forming an arc-shaped cylindrical surface in the irregular section of the irregular pile and a reinforcing rib mold cavity (31) for forming reinforcing ribs in the irregular section of the irregular pile.

2. The irregular segment mold for irregular piles according to claim 1, characterized in that: The rib mold cavity (31) is a cavity structure that can form four circumferentially distributed rib structures with protruding corner reinforcements arranged along the length of the irregular section on the irregular section of the irregular pile.

3. The irregular segment mold for irregular piles according to claim 2, characterized in that: The protruding rib mold cavity (31) forms a protruding angle reinforcing rib structure on the irregular section with an angle greater than 90° and less than 110°.

4. The irregular segment mold for irregular piles according to any one of claims 1 to 3, characterized in that: The upper mold body (1) and the lower mold body (2) are provided with engaging structures (4) on both sides for engaging and positioning each other when the upper and lower mold bodies are fastened together.

5. The irregular segment mold for irregular piles according to claim 4, characterized in that: The upper mold body includes two opposing upper mold body segments (11), and the injection port (10) is formed between the two upper mold body segments (11); the upper parts of the two upper mold body segments (11) are fixedly connected by an arc-shaped connecting plate (12).

6. The irregular segment mold for irregular piles according to claim 5, characterized in that: An upper baffle (14) is fixed on the upper mold body segment (11), and the arc-shaped connecting plate (12) is fastened to the upper baffle (14). The arc-shaped connecting plate (12) is also provided with a flat connecting plate (13) for connecting the two upper mold body segments (11).

7. The irregular segment mold for irregular piles according to claim 5, characterized in that: The outer side of the upper mold body flap (11) is also provided with a plurality of first reinforcing ribs (15) arranged along the cross-sectional direction of the upper mold body (1) and a second reinforcing rib (16) arranged along the length direction of the upper mold body (1); the second reinforcing rib (16) is fixedly connected to the first reinforcing rib (15), so that a gripping space (17) is formed between the second reinforcing rib (16) and the upper mold body flap (11) for use when transporting the upper mold body.

8. The irregular segment mold for irregular piles according to claim 1, characterized in that: The length of the upper mold body (1) and the lower mold body (2) used for fastening one side is less than the length far away from the fastening one side, so that the two sides of the upper mold body (1) and the lower mold body (2) form demolding edges (50). The upper mold body (1) and the lower mold body (2) are also provided with demolding slopes (51) at both ends.

9. The irregular segment mold for irregular piles according to claim 1, characterized in that: The lower mold body (2) is also provided with fixing threaded holes (20) on both sides. The fixing threaded holes (20) are used to fix the lower mold body placed in the concrete pile mold to the concrete pile mold by bolts.

10. The irregular segment mold for irregular piles according to claim 1, characterized in that: The length of the irregular-shaped mold is 700mm.

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