Pile foundation reinforcing device for road and bridge engineering

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By designing a pile foundation reinforcement device for road and bridge engineering including movable grooves and reinforcement rods, the problem of the simplicity of the existing pile foundation structure is solved, and the stability improvement and convenient reinforcement of the pile body are achieved.

CN222666599UActive Publication Date: 2025-03-25GUANGDONG GUANDAO CONSTR ENG TESTING CO LTD

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Patent Information

Application Number: CN202421014792.3
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-05-11
Publication Date: 2025-03-25
Estimated Expiration: 2034-05-11

AI Technical Summary

Technical Problem

The existing pile foundation structure is relatively simple, and it is stable by burying the foundation pile or the support platform on the ground. However, the replacement time of the pile foundation is long. Over time, the top layer that comes into contact with the pile foundation will cause more or less loss, which will lead to a reduction in the firmness of the pile foundation and affect its use.

Method used

A pile foundation reinforcement device for road and bridge engineering is designed, including pile body and pile tip. The bottom of the pile body is fixedly connected to the top of the pile tip. A movable groove and reinforcement rod are opened inside. A finite mechanism is fixedly connected on the inner side of the inner wall of the movable groove. By setting a connecting mechanism and a finite mechanism, the effective insertion and fixing of the reinforcement rod is achieved.

Benefits of technology

By setting up a movable groove and a reinforcement rod, the movable groove can limit the reinforcement rod to move the reinforcement rod, and move the reinforcement rod to insert the reinforcement rod into the soil, improving the stability of the pile body, solving the problem of reducing the firmness of the pile foundation, and achieving the effect of facilitating the reinforcement of the pile body.

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Abstract

The pile foundation reinforcing device for the road and bridge engineering comprises a pile body and a pile tip, a plurality of movable grooves are formed in the pile body and are annularly distributed at equal intervals, reinforcing rods are arranged in the movable grooves, and the reinforcing rods are fixedly connected with the pile body. The ends, close to the surface of the pile body, of the reinforcing rods penetrate through the pile body and extend to the outer side of the pile body, the surface of the pile body is movably connected with a connecting mechanism, and the inner side of the inner wall of the movable groove is fixedly connected with a limiting mechanism. The movable groove and the reinforcing rod are arranged, the reinforcing rod can be movably limited through the movable groove, the reinforcing rod is moved to be inserted into soil, the stability of the pile body can be improved, and the problems that an existing pile foundation is simple in structure, a foundation pile or a bearing platform is buried underground to be stabilized, but the replacement time of the pile foundation is long, and the construction cost is low are solved. And the problems that the firmness of the pile foundation is reduced and the use is influenced due to the fact that the top layer of the soil in contact with the pile foundation is lost more or less in days and months are solved.

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Description

Technical Field

[0001] The utility model relates to the technical field of pile foundations, in particular to a pile foundation reinforcement device for road and bridge engineering. Background Art

[0002] Road and bridge projects can be divided into the following categories according to their structures: roadbed, pavement, bridges, culverts, tunnels, drainage, protection, greening, traffic engineering, electromechanical and other projects. According to the standardized unit projects, they can be divided into: roadbed engineering, pavement engineering, bridge engineering, interchange engineering, tunnel engineering, environmental protection engineering, traffic safety facilities, electromechanical engineering, and building construction engineering. The pile foundation is composed of a foundation pile and a cap connected to the top of the pile. If the pile body is completely buried in the soil and the bottom of the cap is in contact with the soil, it is called a low cap pile foundation. If the upper part of the pile body is exposed to the ground and the bottom of the cap is above the ground, it is called a high cap pile foundation. The existing pile foundation structure is relatively simple, and it is stabilized by burying the foundation pile or cap underground. However, the replacement time of the pile foundation is relatively long. Over time, the top layer of soil in contact with the pile foundation will produce more or less loss, which will lead to a reduction in the firmness of the pile foundation and affect its use. Summary of the invention

[0003] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a pile foundation reinforcement device for road and bridge engineering, which has the advantage of being easy to reinforce the pile body, and solves the problem that the existing pile foundation structure is relatively simple, and is stabilized by burying the foundation piles or the pedestal underground, but the replacement time of the pile foundation is relatively long. Over time, the top layer of soil in contact with the pile foundation will produce more or less loss, which will lead to a reduction in the firmness of the pile foundation and affect the use.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pile foundation reinforcement device for road and bridge engineering, comprising a pile body and a pile tip, the bottom of the pile body is fixedly connected to the top of the pile tip, a movable groove is opened inside the pile body, and a plurality of movable grooves are opened and distributed in a circular shape with equal distances, a reinforcement rod is arranged inside the movable groove, one end of the reinforcement rod close to the surface of the pile body penetrates the pile body and extends to the outside of the pile body, the reinforcement rod is movably connected to the pile body, the surface of the pile body is movably connected with a connecting mechanism, and the inner side of the inner wall of the movable groove is fixedly connected with a limiting mechanism.

[0005] As a preferred embodiment of the utility model, the connecting mechanism includes a base tube, one end of the reinforcement rod close to the base tube is tightly fitted with the inner wall of the base tube, a spring is fixedly connected to the inner side of the inner wall of the movable groove, the other end of the spring is fixedly connected to the end of the reinforcement rod away from the base tube, and a through hole is opened on the surface of the base tube, and a plurality of through holes are opened and distributed equidistantly in a ring shape.

[0006] As a preferred embodiment of the utility model, the limiting mechanism includes a guide rod, a circular groove is opened inside the reinforcement rod, the end of the guide rod close to the base tube passes through the reinforcement rod and is fixedly connected to a limiting ring, the guide rod is movably connected to the reinforcement rod, and the surface of the limiting ring is slidably connected to the inner wall of the circular groove.

[0007] As a preferred embodiment of the utility model, a protective tube is movably connected to the surface of the base tube, and two pull rods are fixedly connected to the top of the protective tube.

[0008] As a preferred embodiment of the utility model, a sliding bar is fixedly connected to the surface of the base tube, three sliding bars are arranged and distributed equidistantly in a ring shape, three arc grooves are opened on the inner wall of the protective tube, and the surface of the sliding bar is slidably connected to the inner wall of the arc groove.

[0009] As a preferred embodiment of the utility model, two linkage plates are fixedly connected to the top of the base tube, two limit plates are fixedly connected to the top of the pile body surface, and the two linkage plates and the two limit plates are staggered.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model provides a movable groove and a reinforcement rod. The movable groove can limit the movable position of the reinforcement rod. Moving the reinforcement rod so that the reinforcement rod is inserted into the soil can improve the stability of the pile body. This solves the problem that the existing pile foundation structure is relatively simple and is stabilized by burying the foundation pile or the pedestal underground. However, the replacement time of the pile foundation is relatively long. Over time, the top layer of the soil in contact with the pile foundation will produce more or less loss, which will reduce the firmness of the pile foundation and affect the use. The effect of facilitating the reinforcement of the pile body is achieved.

[0012] 2. The utility model sets a connection mechanism, the base tube can limit the reinforcing rod, the spring is used to connect the pile body and the reinforcing rod, the reinforcing rod can be driven to rotate by rotating the pile body, and when the reinforcing rod is aligned with the through hole, the spring can push the reinforcing rod through the through hole.

[0013] 3. The utility model sets a limit mechanism, the circular groove can movably limit the limit ring, and the limit ring can movably limit the guide rod, thereby preventing the guide rod from escaping from the inside of the reinforcement rod, and the reinforcement rod can guide the reinforcement rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the three-dimensional exploded cross-sectional structure of the utility model;

[0016] Figure 3 It is a schematic diagram of the three-dimensional cross-sectional structure of the pile body and the reinforcement rod of the utility model;

[0017] Figure 4 For this utility model Figure 2 Schematic diagram of the three-dimensional structure at A in the middle.

[0018] In the figure: 1. pile body; 2. pile tip; 3. movable groove; 4. reinforcement rod; 5. connecting mechanism; 51. base tube; 52. spring; 53. through hole; 6. limiting mechanism; 61. guide rod; 62. circular groove; 63. limiting ring; 7. protective tube; 8. pull rod; 9. slide bar; 10. arc groove; 11. linkage plate; 12. limiting plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] like Figures 1 to 4 As shown, the utility model provides a pile foundation reinforcement device for road and bridge engineering, including a pile body 1 and a pile tip 2, the bottom of the pile body 1 is fixedly connected to the top of the pile tip 2, a movable groove 3 is opened inside the pile body 1, and a plurality of movable grooves 3 are opened and distributed in a circular shape with equal distances, a reinforcement rod 4 is arranged inside the movable groove 3, one end of the reinforcement rod 4 close to the surface of the pile body 1 passes through the pile body 1 and extends to the outside of the pile body 1, the reinforcement rod 4 is movably connected to the pile body 1, the surface of the pile body 1 is movably connected with a connecting mechanism 5, and the inner side of the inner wall of the movable groove 3 is fixedly connected with a limiting mechanism 6.

[0021] refer to Figure 2 and Figure 3 The connecting mechanism 5 includes a base tube 51, one end of the reinforcing rod 4 close to the base tube 51 is tightly fitted with the inner wall of the base tube 51, a spring 52 is fixedly connected to the inner side of the inner wall of the movable groove 3, and the other end of the spring 52 is fixedly connected to the end of the reinforcing rod 4 away from the base tube 51. A through hole 53 is opened on the surface of the base tube 51, and a plurality of through holes 53 are opened and distributed in a circular shape with equal distances.

[0022] As a technical optimization solution of the utility model, by setting a connecting mechanism 5, the base tube 51 can limit the reinforcement rod 4, and the spring 52 is used to connect the pile body 1 and the reinforcement rod 4. The reinforcement rod 4 can be driven to rotate by rotating the pile body 1. When the reinforcement rod 4 is aligned with the through hole 53, the spring 52 can push the reinforcement rod 4 through the through hole 53.

[0023] refer to Figure 4 The limiting mechanism 6 includes a guide rod 61, a circular groove 62 is opened inside the reinforcement rod 4, the end of the guide rod 61 close to the base tube 51 passes through the reinforcement rod 4 and is fixedly connected to a limiting ring 63, the guide rod 61 is movably connected to the reinforcement rod 4, and the surface of the limiting ring 63 is slidably connected to the inner wall of the circular groove 62.

[0024] As a technical optimization solution of the utility model, by setting a limiting mechanism 6, the circular groove 62 can movably limit the limiting ring 63, and the limiting ring 63 can movably limit the guide rod 61, thereby preventing the guide rod 61 from detaching from the interior of the reinforcement rod 4, and at the same time, the reinforcement rod 4 can guide the reinforcement rod 4.

[0025] refer to Figure 2 A protective tube 7 is movably connected to the surface of the base tube 51 , and two pull rods 8 are fixedly connected to the top of the protective tube 7 .

[0026] As a technical optimization solution of the utility model, by providing a protective tube 7 and a pull rod 8, the protective tube 7 can play a shielding and protective role for the base tube 51, thereby preventing mud from entering the interior of the through hole 53 in advance and causing blockage. By pulling the pull rod 8, the protective tube 7 can be driven to move upward to separate the protective tube 7 from the base tube 51.

[0027] refer to Figure 2 The surface of the base tube 51 is fixedly connected with a slide bar 9, and three slide bars 9 are arranged and distributed in a circular shape with equal distances. The inner wall of the protective tube 7 is provided with three arc grooves 10, and the surface of the slide bar 9 is slidably connected with the inner wall of the arc groove 10.

[0028] As a technical optimization solution of the utility model, by setting the sliding bar 9 and the arc groove 10, the arc groove 10 can limit the sliding bar 9 in the front, back, left and right directions. Similarly, the front, back, left and right directions of the sliding bar 9 can limit the protective tube 7 in the front, back, left and right directions, thereby improving the stability between the base tube 51 and the protective tube 7 during reverse movement.

[0029] refer to Figure 2 The top of the base tube 51 is fixedly connected with two linkage plates 11, and the top of the surface of the pile body 1 is fixedly connected with two limit plates 12, and the two linkage plates 11 and the two limit plates 12 are staggered.

[0030] As a technical optimization solution of the utility model, by setting the linkage plate 11 and the limit plate 12, the limit plate 12 can be driven to rotate by rotating the pile body 1. When the limit plate 12 contacts the linkage plate 11, the reinforcement rod 4 is aligned with the through hole 53, thereby improving the convenience of use.

[0031] The working principle and use process of the utility model are as follows: during use, when the pile body 1 needs to be buried underground, first dig a pit on the ground with the same diameter and height as the protective tube 7, then put the protective tube 7 into the pit, and then pull the pull rod 8 to drive the protective tube 7 to move upward to separate the protective tube 7 from the base tube 51. At this time, the base tube 51 has a certain distance from the inner wall of the pit. The user then drives the limit plate 12 to rotate by rotating the pile body 1. When the limit plate 12 contacts the linkage plate 11, the reinforcement rod 4 is aligned with the through hole 53. At this time, the spring 52 can push the reinforcement rod 4 to pass through the through hole 53 to the outside of the base tube 51 and contact the inner wall of the pit. The user then uses soil to fill the space between the base tube 51 and the pit. At this time, the reinforcement rod 4 is located in the soil and can reinforce the pile body 1.

[0032] To sum up: this pile foundation reinforcement device for road and bridge engineering, by setting a movable groove 3 and a reinforcement rod 4, the movable groove 3 can limit the reinforcement rod 4, moving the reinforcement rod 4 so that the reinforcement rod 4 is inserted into the soil can improve the stability of the pile body 1, and solves the problem that the existing pile foundation structure is relatively simple, and is stabilized by burying the foundation piles or the pedestal underground, but the replacement time of the pile foundation is relatively long. Over time, the top layer of the soil in contact with the pile foundation will produce more or less loss, which will cause the firmness of the pile foundation to be reduced, affecting the use.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pile foundation reinforcement device for road and bridge engineering, comprising a pile body (1) and a pile tip (2), characterized in that: The bottom of the pile body (1) is fixedly connected to the top of the pile tip (2); a movable groove (3) is provided inside the pile body (1); a plurality of movable grooves (3) are provided and are distributed in a circular shape with equal distances; a reinforcing rod (4) is provided inside the movable groove (3); an end of the reinforcing rod (4) close to the surface of the pile body (1) penetrates the pile body (1) and extends to the outside of the pile body (1); the reinforcing rod (4) is movably connected to the pile body (1); a connecting mechanism (5) is movably connected to the surface of the pile body (1); and a limiting mechanism (6) is fixedly connected to the inner side of the inner wall of the movable groove (3).

2. A pile foundation reinforcement device for road and bridge engineering according to claim 1, characterized in that: The connecting mechanism (5) comprises a base tube (51), one end of the reinforcing rod (4) close to the base tube (51) is tightly fitted to the inner wall of the base tube (51), a spring (52) is fixedly connected to the inner side of the inner wall of the movable groove (3), the other end of the spring (52) is fixedly connected to the end of the reinforcing rod (4) away from the base tube (51), and a through hole (53) is provided on the surface of the base tube (51), and a plurality of through holes (53) are provided and are distributed in a circular shape at equal distances.

3. A pile foundation reinforcement device for road and bridge engineering according to claim 1, characterized in that: The limiting mechanism (6) comprises a guide rod (61), a circular groove (62) is formed inside the reinforcing rod (4), one end of the guide rod (61) close to the base tube (51) passes through the reinforcing rod (4) and is fixedly connected to a limiting ring (63), the guide rod (61) is movably connected to the reinforcing rod (4), and the surface of the limiting ring (63) is slidably connected to the inner wall of the circular groove (62).

4. A pile foundation reinforcement device for road and bridge engineering according to claim 2, characterized in that: The surface of the base tube (51) is movably connected to a protective tube (7), and the top of the protective tube (7) is fixedly connected to two pull rods (8).

5. A pile foundation reinforcement device for road and bridge engineering according to claim 4, characterized in that: The surface of the base tube (51) is fixedly connected with a slide bar (9), three slide bars (9) are provided and are distributed in a circular shape at equal distances, the inner wall of the protective tube (7) is provided with three arc grooves (10), and the surface of the slide bar (9) is slidably connected with the inner wall of the arc groove (10).

6. A pile foundation reinforcement device for road and bridge engineering according to claim 2, characterized in that: The top of the base tube (51) is fixedly connected to two linkage plates (11), and the top of the surface of the pile body (1) is fixedly connected to two limit plates (12), and the two linkage plates (11) and the two limit plates (12) are arranged in a staggered manner.