Expressway roadbed anti-settlement device

Through the combined structure of pile barrels, limiting pipes and fixed columns, high-pressure grouting solid soil, combined with the design of waterproof plates and diversion troughs, the settlement problems caused by the relaxation of the pile foundation and rainwater penetration of the highway road gene are solved, and the stability and anti-segmentation effect of the roadbed are achieved.

CN223088207UActive Publication Date: 2025-07-11GANSU WANTAI CONSTR ENG CO LTD
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Patent Information

Application Number
CN202421791891.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-27
Publication Date
2025-07-11
Estimated Expiration
2034-07-27

AI Technical Summary

Technical Problem

The existing highway subgrade is prone to settlement due to pile foundation slack and rainwater seepage after long-term use, and the existing technology is difficult to effectively prevent this problem.

Method used

The combined structure of pile barrel, limit tube, fixed column and impact head is adopted. The soil is inserted into the soil to fix the roadbed through the limit tube, and the soil is condensed with high-pressure grout, combined with waterproof plates and diversion troughs to remove rainwater to prevent the soil from loosening.

Benefits of technology

Effectively fix the roadbed to prevent settlement, and avoid rainwater penetration through condensed soil and drainage measures, improve the stability of the roadbed and prevent settlement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of expressway roadbeds, and discloses an expressway roadbed anti-settlement device which comprises a fixing plate, one side of the fixing plate is fixedly connected with a pile cylinder, a cavity is formed in the pile cylinder, the inner side wall of the cavity is provided with a connecting port, the interior of the connecting port is movably connected with a limiting pipe, and the limiting pipe is fixedly connected with the fixing plate. A through hole is formed in the surface of the limiting pipe, a positioning hole is formed in the surface of the fixing plate, a fixing column is movably connected to the interior of the positioning hole, an impact head is fixedly connected to one end of the fixing column, and through cooperative arrangement of the pile barrel, the connecting opening, the limiting pipe, the positioning hole, the fixing column and the impact head, the fixing column is placed in the positioning hole during use; and then the impact head extrudes the limiting pipe, the limiting pipe is pushed out of the pile barrel through the connecting opening, then the limiting pipe is inserted into a soil body to be fixed, the effect of fixing a roadbed is achieved, and the roadbed is not prone to loosening and sedimentation due to friction between the limiting pipe and the soil body.
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Description

Technical Field

[0001] The utility model relates to the technical field of highway subgrades, and specifically relates to an anti-settlement device for highway subgrades. Background Technique

[0002] Highways refer to roads that can accommodate more than 25,000 small passenger cars per day on average throughout the year, are exclusively for cars to drive at high speeds in separate lanes, and have all accesses controlled. Although different countries have different names for highways, they all specifically refer to roads with four or more lanes, two-way separated driving, full control of entrances and exits, and all using grade-separated intersections.

[0003] The existing highway subgrades will cause settlement after long-term use. The reasons include that the pile foundations are not well fixed to the road surface and are prone to loosening, and when it rains, the soil will become loose, which will also cause the subgrade to settle. Therefore, the utility model provides an anti-settlement device for highway subgrades. Content of the Utility Model

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the utility model provides an anti-settlement device for highway subgrades, which solves the problems raised in the above background technique.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the utility model provides the following technical solutions to achieve: an anti-settlement device for highway subgrades, including a fixing plate, one side of the fixing plate is fixedly connected with a plurality of pile cylinders, the inside of the pile cylinders is provided with cavities, the inner side walls of the pile cylinders are provided with a plurality of connection ports, the inside of the connection ports are movably connected with limiting tubes, the surfaces of the limiting tubes are provided with a plurality of through holes, the surface of the fixing plate is provided with a plurality of positioning holes, the inside of the positioning holes are movably connected with fixing columns, and one end of the fixing columns is fixedly connected with impact heads.

[0008] Preferably, the surfaces of the fixing columns are provided with a plurality of infusion holes, and the other ends of the fixing columns are fixedly connected with infusion ports.

[0009] Preferably, the surface of the infusion port is provided with a device plate, and one side of the device plate is fixedly connected with a waterproof plate.

[0010] Preferably, one side of the waterproof plate is fixedly connected with a water guide plate.

[0011] Preferably, the inside of the water guide plate is provided with a diversion groove.

[0012] Preferably, one side of the water guide plate is fixedly connected with a concrete layer.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, the utility model provides an anti-settlement device for highway subgrade, which has the following beneficial effects:

[0015] Through the cooperative setting of the pile cylinder, connection port, limiting pipe, positioning hole, fixing column and impact head, when in use, the fixing column is placed in the positioning hole, so that the impact head squeezes the limiting pipe, and the limiting pipe is pushed out of the pile cylinder through the connection port, and then the limiting pipe is inserted into the soil for fixation, thus playing a role in fixing the subgrade. The friction between the limiting pipe and the soil makes the subgrade not easy to loosen and not easy to settle. Through the cooperative setting of the cavity, limiting pipe, through hole, fixing column, infusion hole and infusion port, when in use, high-pressure slurry is injected into the fixing column through the infusion port, and then the high-pressure slurry is injected into the cavity through the infusion hole, and then flows into the soil through the surface of the limiting pipe, so as to condense the loose soil, thus playing a role in condensing the soil, making the soil no longer loose and preventing the subgrade from sinking. Through the cooperative setting of the waterproof board, water guide board, diversion groove, concrete layer and hydrophobic hole, when in use, rainwater falls on the concrete layer, and then flows into the water guide board through the hydrophobic hole, and then the rainwater is drained away through the diversion groove, thus playing a role in draining away the rainwater, avoiding the rainwater from penetrating into the ground and causing the soil to become loose, and further avoiding the settlement of the subgrade. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a split structural diagram of the utility model;

[0018] Figure 3 It is the utility model Figure 1 The enlarged view at A in;

[0019] Figure 4 It is a sectional view of the device plate structure of the utility model.

[0020] In the figure: 1, fixing plate; 2, pile cylinder; 3, cavity; 4, connection port; 5, limiting pipe; 6, through hole; 7, positioning hole; 8, fixing column; 9, impact head; 10, infusion hole; 11, device plate; 12, infusion port; 13, waterproof board; 14, water guide board; 15, diversion groove; 16, concrete layer; 17, hydrophobic hole. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-4 , the present utility model provides a technical solution: a highway subgrade anti-settlement device, including a fixing plate 1, characterized in that: a plurality of pile cylinders 2 are fixedly connected to one side of the fixing plate 1, a cavity 3 is arranged inside the pile cylinder 2, a plurality of connecting ports 4 are arranged on the inner side wall of the pile cylinder 2, a limiting tube 5 is movably connected inside the connecting port 4, a plurality of through holes 6 are arranged on the surface of the limiting tube 5, a plurality of positioning holes 7 are arranged on the surface of the fixing plate 1, a fixing column 8 is movably connected inside the positioning hole 7, and an impact head 9 is fixedly connected to one end of the fixing column 8. Through the cooperative setting of the pile cylinder 2, the connecting port 4, the limiting tube 5, the positioning hole 7, the fixing column 8 and the impact head 9, when in use, the fixing column 8 is placed in the positioning hole 7, so that the impact head 9 presses the limiting tube 5, and the limiting tube 5 is pushed out of the pile cylinder 2 through the connecting port 4, and then the limiting tube 5 is inserted into the soil for fixation, thus playing a role in fixing the subgrade. The friction between the limiting tube 5 and the soil makes the subgrade not easy to loosen and the subgrade not easy to settle. A plurality of liquid injection holes 10 are arranged on the surface of the fixing column 8, and a liquid injection port 12 is fixedly connected to the other end of the fixing column 8. A device plate 11 is arranged on the surface of the liquid injection port 12. Through the cooperative setting of the cavity 3, the limiting tube 5, the through hole 6, the fixing column 8, the liquid injection hole 10 and the liquid injection port 12, when in use, high-pressure slurry is injected into the fixing column 8 through the liquid injection port 12, and then the high-pressure slurry is injected into the cavity 3 through the liquid injection hole 10, and then flows into the soil through the surface of the limiting tube 5, so as to condense the loose soil, thus playing a role in condensing the soil, making the soil no longer loose and preventing the subgrade from sinking. A waterproof plate 13 is fixedly connected to one side of the device plate 11, a water guide plate 14 is fixedly connected to one side of the waterproof plate 13, a diversion groove 15 is arranged inside the water guide plate 14, a concrete layer 16 is fixedly connected to one side of the water guide plate 14, and a plurality of hydrophobic holes 17 are arranged on the surface of the concrete layer 16. Through the cooperative setting of the waterproof plate 13, the water guide plate 14, the diversion groove 15, the concrete layer 16 and the hydrophobic holes 17, when in use, rainwater falls on the concrete layer 16, and then flows into the water guide plate 14 through the hydrophobic holes 17, and then the rainwater is drained away through the diversion groove 15, thus playing a role in draining away the rainwater, avoiding rainwater from penetrating into the ground and causing the soil to loosen, and further avoiding the subgrade from settling.

[0023] In summary, for the anti-settlement device of the highway subgrade, through the cooperation of the pile tube 2, the connection port 4, the limiting tube 5, the positioning hole 7, the fixing column 8 and the impact head 9, when in use, the fixing column 8 is placed in the positioning hole 7, and then the impact head 9 squeezes the limiting tube 5, so that the limiting tube 5 is pushed out of the pile tube 2 through the connection port 4, and then the limiting tube 5 is inserted into the soil for fixation, thus playing a role in fixing the subgrade. The friction between the limiting tube 5 and the soil makes the subgrade not easy to loosen and not easy to settle. Through the cooperation of the cavity 3, the limiting tube 5, the through hole 6, the fixing column 8, the liquid injection hole 10 and the liquid injection port 12, when in use, high-pressure slurry is injected into the fixing column 8 through the liquid injection port 12, and then the high-pressure slurry is injected into the cavity 3 through the liquid injection hole 10, and then flows into the soil through the surface of the limiting tube 5, condensing the loose soil, thus playing a role in condensing the soil, making the soil not loose and preventing the subgrade from sinking. Through the cooperation of the waterproof board 13, the water guide board 14, the diversion groove 15, the concrete layer 16 and the hydrophobic hole 17, when in use, rainwater falls on the concrete layer 16, and then flows into the water guide board 14 through the hydrophobic hole 17, and then the rainwater is drained away through the diversion groove 15, thus playing a role in draining away the rainwater, avoiding rainwater from penetrating into the ground and causing the soil to loosen, and further avoiding the settlement of the subgrade.

[0024] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0025] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highway subgrade anti-settlement device, including a fixed plate (1), characterized in that: One side of the fixed plate (1) is fixedly connected with a plurality of pile cylinders (2). A cavity (3) is arranged inside the pile cylinder (2). A plurality of connection ports (4) are arranged on the inner side wall of the pile cylinder (2). A limit pipe (5) is movably connected inside the connection port (4). A plurality of through holes (6) are arranged on the surface of the limit pipe (5). A plurality of positioning holes (7) are arranged on the surface of the fixed plate (1). A fixing column (8) is movably connected inside the positioning hole (7). One end of the fixing column (8) is fixedly connected with an impact head (9).

2. The anti-settlement device for highway subgrade according to claim 1, characterized in that: A plurality of infusion holes (10) are arranged on the surface of the fixing column (8). The other end of the fixing column (8) is provided with an infusion port (12).

3. The anti-settlement device for highway subgrade according to claim 2, wherein: A device plate (11) is arranged on one side of the infusion port (12). A waterproof plate (13) is fixedly connected to one side of the device plate (11).

4. The highway subgrade anti-settlement device according to claim 3, characterized in that: A water guide plate (14) is fixedly connected to one side of the waterproof plate (13).

5. The anti-settlement device for highway subgrade according to claim 4, characterized in that: A diversion groove (15) is arranged inside the water guide plate (14).

6. The highway subgrade settlement prevention device according to claim 4, characterized in that: A concrete layer (16) is fixedly connected to one side of the water guide plate (14). A plurality of hydrophobic holes (17) are arranged on the surface of the concrete layer (16).