Anti-deviation PHC pipe pile tip

Abstract

The utility model discloses an anti-deviation PHC pipe pile tip which comprises a bearing table, a rod body is fixedly connected to the middle end of the bottom of the bearing table, a conical head is fixedly connected to the bottom of the rod body, inclined plates are fixedly connected to the periphery of the bottom of the bearing table, and the other ends of the inclined plates are fixedly connected with the bottom of the side face of the rod body. And a cutting knife is arranged on the inclined plate. By means of the rod body and the conical head, the pile can penetrate through a soil layer when entering the soil, the guiding effect is provided for the pile body to enter the soil, the pile body can be guided to vertically enter the soil according to the preset direction, the deviation possibility is reduced, the inserting nail can be inserted into the soil layer when the pile tip enters the soil, and the effects of positioning and preventing the pile tip from horizontally moving are achieved. The inclined plate is connected with the rod body and the bearing table, the stability of the whole structure is enhanced, the acting force of the soil layer can be dispersed and guided, the soil layer can be cut and crushed in the soil penetrating process through the cutting knife, and the resistance of the soil layer to the pile tip is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of PHC pipe pile tip, concretely to a PHC pipe pile tip of preventing deviation. BACKGROUND

[0002] PHC pipe pile is one of prefabricated components commonly used in civil engineering foundation treatment, has the characteristics such as high bearing capacity, rapid construction, convenient production and transportation, environmental protection etc., during construction, a matching pile tip is generally installed at the end of the pipe pile, on the one hand, it plays the role of plugging the bottom of the pipe pile, on the other hand, it can guide the pipe pile to sink smoothly, but the PHC pipe pile tip is prone to deviation during construction, especially when encountering complex geological conditions, which makes it difficult to ensure the perpendicularity of the pile body, and further affects the bearing capacity and stability of the whole pile foundation, therefore, the utility model provides a PHC pipe pile tip of preventing deviation. UTILITY MODEL CONTENTS

[0003] The utility model discloses a PHC pipe pile tip of preventing deviation has the advantages of preventing deviation, solves the PHC pipe pile tip of the present application during construction, especially when encountering complex geological conditions, is prone to deviation, which makes it difficult to ensure the perpendicularity of the pile body, and further affects the bearing capacity and stability of the whole pile foundation.

[0004] To achieve the above object, the utility model provides the following technical scheme: a PHC pipe pile tip of preventing deviation, including bearing platform, the middle end fixedly connected with the rod body in the bottom of bearing platform, the bottom fixedly connected with the conical head of rod body, the periphery of the bottom of bearing platform is fixedly connected with the inclined plate, the other end of inclined plate is fixedly connected with the bottom of the side of rod body, is provided with cutting knife on the inclined plate, the periphery of the bottom of bearing platform is fixedly connected with the plug, and the bearing platform includes coating layer, first high strength layer, second high strength layer, third high strength layer and substrate layer, the first high strength layer is alloy steel, the second high strength layer is carbon fiber reinforced composite material, and the third high strength layer is super high strength concrete.

[0005] Preferably, the top of the bearing platform is provided with a groove, the bottom of the inner cavity of the groove is fixedly connected with a damper, the top of the damper is fixedly connected with a movable block, the top of the movable block is fixedly connected with a connecting plate, and the outer surface of the damper is sleeved with a spring.

[0006] Preferably, the top of the spring is fixedly connected with the bottom of the movable block, and the bottom of the spring is fixedly connected with the bottom of the inner cavity of the groove.

[0007] Preferably, the left and right sides of the inner cavity of the groove are provided with guide grooves, the left and right sides of the movable block are fixedly connected with guide blocks, and the guide blocks are movably connected with the inner cavities of the guide grooves.

[0008] Preferably, the coating layer comprises a wear-resistant coating, a first corrosion-resistant coating and a second corrosion-resistant coating, the wear-resistant coating is tungsten carbide coating, the first corrosion-resistant coating is polytetrafluoroethylene coating, and the second corrosion-resistant coating is zinc-chromium coating.

[0009] Preferably, the wear-resistant coating is coated outside the first corrosion-resistant coating, and the first corrosion-resistant coating is coated outside the second corrosion-resistant coating.

[0010] Preferably, the base material layer is spherulitic cast iron, and the bearing table, the insertion nail, the inclined plate, the connecting plate, the rod body, the conical head and the movable block are made of the same material.

[0011] Preferably, the coating layer is coated outside the first high-strength layer, and the first high-strength layer is located outside the second high-strength layer.

[0012] Preferably, the second high-strength layer is located outside the third high-strength layer, and the third high-strength layer is located outside the base material layer.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、 the utility model discloses a rod body and conical head can penetrate the soil layer when entering the earth, and provide the guidance for the pile body entering the earth, can guide the pile body to enter the earth vertically according to the predetermined direction, reduce the possibility of deviation, the insertion nail can be inserted into the soil layer when the pile tip enters the earth, and the positioning and the horizontal movement of the pile tip are prevented, the inclined plate is connected with the rod body and the bearing table, not only strengthens the overall structural stability, but also can disperse and guide the force of the soil layer, the cutting knife can cut and crush the soil layer during entering the earth, reduces the resistance of the soil layer to the pile tip, makes the pile tip more smoothly enter the earth, reduces the deviation caused by uneven resistance of the soil layer, and the wear-resistant coating, the first corrosion-resistant coating, the second corrosion-resistant coating, the first high-strength layer, the second high-strength layer and the third high-strength layer can make the pile tip have good wear resistance, corrosion resistance and strength, thereby the service life of the pile tip can be improved.

[0015] 2、 the utility model discloses the recess, damper, spring, movable block, guide block and guide groove on the top of bearing table cooperate with each other, can constitute dynamic buffering adjustment structure, when the pile tip is deviated under uneven soil layer force, the movable block slides in the recess, and the damper slows down the sliding speed by consuming energy, and the spring stores and releases energy through elastic deformation, generates reverse thrust, utilizes the cooperation of guide block and guide groove, guarantees the stability and directionality of movable block sliding, and together make the pile tip resist deviation and restore vertical state. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is structural schematic diagram of the utility model.

[0017] Figure 2 is a bottom view structural schematic diagram of the utility model;

[0018] Figure 3 is a front view sectional structural schematic diagram of the utility model;

[0019] Figure 4 is a bearing table structural schematic diagram of the utility model;

[0020] Figure 5 is a paint layer structural schematic diagram of the utility model.

[0021] In the figure: 1, bearing table; 2, insert nail; 3, inclined plate; 4, cutting knife; 5, connecting plate; 6, rod body; 7, conical head; 8, recess; 9, movable block; 10, damper; 11, spring; 12, guide block; 13, guide groove; 14, paint layer; 1401, wear-resistant coating; 1402, first corrosion-resistant coating; 1403, second corrosion-resistant coating; 15, first high-strength layer; 16, second high-strength layer; 17, third high-strength layer; 18, base material layer. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. In different places in the specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0024] Embodiment one:

[0025] Please refer to Figures 1-5The utility model provides a kind of PHC pipe pile tip of anti-deviation, including bearing platform 1, the middle end of the bottom of bearing platform 1 is fixedly connected with stem 6, the bottom of stem 6 is fixedly connected with conical head 7, the periphery of the bottom of bearing platform 1 is fixedly connected with inclined plate 3, the other end of inclined plate 3 is fixedly connected with the bottom of stem 6 side face, cutting knife 4 is provided on inclined plate 3, the periphery of the bottom of bearing platform 1 is fixedly connected with plug 2, bearing platform 1 includes coating layer 14, first high-strength layer 15, second high-strength layer 16, third high-strength layer 17 and substrate layer 18, first high-strength layer 15 is alloy steel, second high-strength layer 16 is carbon fiber reinforced composite material, third high-strength layer 17 is super high-strength concrete, coating layer 14 includes wear-resistant coating 1401, first corrosion-resistant coating 1402 and second corrosion-resistant coating 1403, wear-resistant coating 1401 is tungsten carbide coating, first corrosion-resistant coating 1402 is polytetrafluoroethylene coating, second corrosion-resistant coating 1403 is zinc-chromium coating, wear-resistant coating 1401 is coated outside first corrosion-resistant coating 1402, first corrosion-resistant coating 1402 is coated outside second corrosion-resistant coating 1403, substrate layer 18 is nodular cast iron, bearing platform 1, plug 2, inclined plate 3, connecting plate 5, stem 6, conical head 7 and movable block 9 are of the same material, coating layer 14 is coated outside first high-strength layer 15, first high-strength layer 15 is outside second high-strength layer 16, second high-strength layer 16 is outside third high-strength layer 17, third high-strength layer 17 is outside substrate layer 18.

[0026] The utility model discloses a kind of PHC pipe pile tip of anti-deviation, including bearing platform 1, the middle end of the bottom of bearing platform 1 is fixedly connected with stem 6, the bottom of stem 6 is fixedly connected with conical head 7, the periphery of the bottom of bearing platform 1 is fixedly connected with inclined plate 3, the other end of inclined plate 3 is fixedly connected with the bottom of stem 6 side face, cutting knife 4 is provided on inclined plate 3, the periphery of the bottom of bearing platform 1 is fixedly connected with plug 2, bearing platform 1 includes coating layer 14, first high-strength layer 15, second high-strength layer 16, third high-strength layer 17 and substrate layer 18, first high-strength layer 15 is alloy steel, second high-strength layer 16 is carbon fiber reinforced composite material, third high-strength layer 17 is super high-strength concrete, coating layer 14 includes wear-resistant coating 1401, first corrosion-resistant coating 1402 and second corrosion-resistant coating 1403, wear-resistant coating 1401 is tungsten carbide coating, first corrosion-resistant coating 1402 is polytetrafluoroethylene coating, second corrosion-resistant coating 1403 is zinc-chromium coating, wear-resistant coating 1401 is coated outside first corrosion-resistant coating 1402, first corrosion-resistant coating 1402 is coated outside second corrosion-resistant coating 1403, substrate layer 18 is nodular cast iron, bearing platform 1, plug 2, inclined plate 3, connecting plate 5, stem 6, conical head 7 and movable block 9 are of the same material, coating layer 14 is coated outside first high-strength layer 15, first high-strength layer 15 is outside second high-strength layer 16, second high-strength layer 16 is outside third high-strength layer 17, third high-strength layer 17 is outside substrate layer 18.

[0027] Example two:

[0028] On the basis of example one, the utility model as Figures 1-5As shown, the top of the bearing table 1 is provided with a groove 8, the bottom of the inner cavity of the groove 8 is fixedly connected with a damper 10, the top of the damper 10 is fixedly connected with a movable block 9, the top of the movable block 9 is fixedly connected with a connecting plate 5, the outer surface of the damper 10 is sleeved with a spring 11, the top of the spring 11 is fixedly connected with the bottom of the movable block 9, the bottom of the spring 11 is fixedly connected with the bottom of the inner cavity of the groove 8, the left and right sides of the inner cavity of the groove 8 are both provided with a guide groove 13, the left and right sides of the movable block 9 are both fixedly connected with a guide block 12, and the guide block 12 is movably connected with the inner cavity of the guide groove 13.

[0029] The groove 8, the damper 10, the spring 11, the movable block 9, the guide block 12 and the guide groove 13 on the top of the bearing table 1 are matched with each other to form a dynamic buffering adjusting structure, when the pile tip is deviated under the action of uneven soil layer, the movable block 9 slides in the groove 8, the damper 10 consumes energy to slow down the sliding speed, the spring 11 stores and releases energy through elastic deformation to generate a reverse thrust, the guide block 12 and the guide groove 13 are matched to ensure the stability and directionality of the sliding of the movable block 9, and the pile tip is deviated and restored to the vertical state through the cooperation of the above-mentioned components.

[0030] The working principle of the utility model is: through the rod body 6 and the conical head 7, the soil layer can be penetrated when entering the soil, which provides a guiding effect for the pile body entering the soil, can guide the pile body to enter the soil vertically according to the predetermined direction, reduces the possibility of deviation, the peg 2 can be inserted into the soil layer when the pile tip enters the soil, which plays a role in positioning and preventing the horizontal movement of the pile tip, the inclined plate 3 is connected with the rod body 6 and the bearing table 1, which not only enhances the stability of the overall structure, but also disperses and guides the soil layer force, the cutting knife 4 can cut and crush the soil layer during the process of entering the soil, which reduces the resistance of the soil layer to the pile tip, makes the pile tip enter the soil more smoothly, reduces the deviation caused by uneven soil layer resistance, the wear-resistant coating 1401, the first corrosion-resistant coating 1402, the second corrosion-resistant coating 1403, the first high-strength layer 15, the second high-strength layer 16 and the third high-strength layer 17 can make the pile tip have good wear resistance, corrosion resistance and strength, thereby prolonging the service life of the pile tip, the groove 8, the damper 10, the spring 11, the movable block 9, the guide block 12 and the guide groove 13 on the top of the bearing table 1 are matched with each other to form a dynamic buffering adjusting structure, when the pile tip is deviated under the action of uneven soil layer, the movable block 9 slides in the groove 8, the damper 10 consumes energy to slow down the sliding speed, the spring 11 stores and releases energy through elastic deformation to generate a reverse thrust, the guide block 12 and the guide groove 13 are matched to ensure the stability and directionality of the sliding of the movable block 9, and the pile tip is deviated and restored to the vertical state through the cooperation of the above-mentioned components.

[0031] It is important to note that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review the present disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the present application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be varied or re-sequenced without materially affecting the application. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functionality and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating

[0032] Also, to provide a concise description of the exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the

[0033] Finally, it should be noted that the above-mentioned embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the protective scope of the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application.

Claims

1. A PHC pipe pile tip designed to prevent displacement, comprising a bearing platform (1), characterized in that: A rod (6) is fixedly connected to the middle of the bottom of the support platform (1). A conical head (7) is fixedly connected to the bottom of the rod (6). Inclined plates (3) are fixedly connected to the four sides of the bottom of the support platform (1). The other end of the inclined plate (3) is fixedly connected to the bottom of the side of the rod (6). A cutting blade (4) is provided on the inclined plate (3). Pegs (2) are fixedly connected to the four sides of the bottom of the support platform (1). The support platform (1) includes a coating layer (14), a first high-strength layer (15), a second high-strength layer (16), a third high-strength layer (17), and a substrate layer (18). The first high-strength layer (15) is alloy steel, the second high-strength layer (16) is carbon fiber reinforced composite material, and the third high-strength layer (17) is ultra-high-strength concrete.

2. The anti-deflection PHC pipe pile tip according to claim 1, characterized in that: The top of the support platform (1) is provided with a groove (8), the bottom of the inner cavity of the groove (8) is fixedly connected to a damper (10), the top of the damper (10) is fixedly connected to a movable block (9), the top of the movable block (9) is fixedly connected to a connecting plate (5), and a spring (11) is sleeved on the outer surface of the damper (10).

3. The anti-deflection PHC pipe pile tip according to claim 2, characterized in that: The top of the spring (11) is fixedly connected to the bottom of the movable block (9), and the bottom of the spring (11) is fixedly connected to the bottom of the inner cavity of the groove (8).

4. The anti-deflection PHC pipe pile tip according to claim 2, characterized in that: The inner cavity of the groove (8) is provided with guide grooves (13) on both the left and right sides, and guide blocks (12) are fixedly connected to both the left and right sides of the movable block (9). The guide blocks (12) are movably connected to the inner cavity of the guide grooves (13).

5. The anti-deflection PHC pipe pile tip according to claim 1, characterized in that: The coating layer (14) includes a wear-resistant coating (1401), a first corrosion-resistant coating (1402), and a second corrosion-resistant coating (1403). The wear-resistant coating (1401) is a tungsten carbide coating, the first corrosion-resistant coating (1402) is a polytetrafluoroethylene coating, and the second corrosion-resistant coating (1403) is a zinc-chromium coating.

6. The anti-deviation PHC pipe pile tip according to claim 5, characterized in that: The wear-resistant coating (1401) is applied to the outside of the first corrosion-resistant coating (1402), and the first corrosion-resistant coating (1402) is applied to the outside of the second corrosion-resistant coating (1403).

7. The anti-deflection PHC pipe pile tip according to claim 1, characterized in that: The substrate layer (18) is made of ductile iron, and the bearing platform (1), the pin (2), the inclined plate (3), the connecting plate (5), the rod (6), the conical head (7), and the movable block (9) are made of the same material.

8. The anti-deflection PHC pipe pile tip according to claim 1, characterized in that: The coating layer (14) is applied to the outside of the first high-strength layer (15), which is located outside the second high-strength layer (16).

9. The anti-deflection PHC pipe pile tip according to claim 1, characterized in that: The second high-strength layer (16) is located outside the third high-strength layer (17), which is located outside the substrate layer (18).

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