Inverted filter device of retaining wall for preventing and controlling water and soil loss

By designing a reverse filter layer device with a pull-out plate and a sealing structure, the filter blocks can be easily replaced, solving the problem of easy rotting of geotextile bags and achieving the effects of convenient replacement and prevention of soil erosion.

CN224016362UActive Publication Date: 2026-03-20ANHUI XULI ENVIRONMENTAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-12
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

In existing soil and water conservation retaining wall filter layer devices, geotextile bags are prone to rotting, resulting in poor filtration effect and difficulty in replacement.

Method used

A reverse filter layer device was designed, which includes a pull-out plate, filter blocks, a fixing baffle, and a sealing structure. The pull-out plate facilitates the replacement of filter blocks, and the sealing structure prevents the soil from communicating with the drainage structure. The positioning plate is used to fix the geotextile bag and prevent deformation.

Benefits of technology

It enables convenient replacement of filter materials, prevents soil erosion, and improves the service life and filtration effect of the reverse filter layer.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model is suitable for the technical field of civil engineering, and provides a water and soil loss prevention retaining wall inverted filter device. A retaining wall body; the drainage structure is arranged in the retaining wall body; the drawing plate is movably inserted into the middle of the front end of the retaining wall body; the filter blocks are arranged on the surface of the drawing plate in an array manner; the fixed baffle is fixedly mounted at the front end of the retaining wall body; the through holes are formed in the surface of the fixed baffle in an array mode. Compared with the prior art, the drainage structure has the advantages that when the drainage structure is used, the filter block is arranged on the drawing plate so that the filter block can be conveniently taken out, the movable plugging structure is arranged on the fixed baffle, and therefore when the drawing plate is taken out, the drainage structure can be conveniently plugged, soil and water cannot be communicated with the drainage structure any more, and the drainage structure is convenient to use. And water and soil loss is caused.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to civil engineering technical field especially relates to a water and soil loss prevention retaining wall filter layer device. BACKGROUND

[0002] The retaining wall is the structure that supports the roadbed fill or the hillside soil body, prevents the fill or the soil body deformation instability, and because the soil water content is too big, will influence the cohesion strength inside the soil, reduced the anti -skid ability of retaining wall, therefore the retaining wall will set up the drainage hole to exclude the water behind the wall, to reduce the soil water content, avoid the retaining wall to receive the excessive pressure, lead to the breakage condition to appear, and in order to reduce the water and soil loss, therefore need to set up the filter layer at the water inlet of drainage hole, avoid the loss of soil.

[0003] And in the application number CN202322103831.9 a water and soil loss prevention retaining wall filter layer device, by placing the cavity in the top surface of the shell, so that the accumulated water can enter the shell via the upper side, and after being treated by the geotextile bag in the shell, it is filtered out again via the drain hole, which can ensure the filtering effect of the geotextile bag on the accumulated water.

[0004] The above-mentioned patent can clean the accumulated water, but the geotextile bag is deeply buried in the soil, and the working environment is relatively humid, which leads to the easy breeding of bacteria, and thus the geotextile bag will rot and be damaged, resulting in problems in filtering effect, so it needs to be replaced. However, the geotextile bag is deeply buried in the soil, so it is not convenient to use when it is taken out.

[0005] Therefore, how to provide a water and soil loss prevention retaining wall filter layer device is a problem that needs to be solved by those skilled in the art. Utility model content

[0006] The utility model aims at providing a water and soil loss prevention retaining wall filter layer device, which aims to solve the problems mentioned in the background art.

[0007] The utility model is realized in this way, a water and soil loss prevention retaining wall filter layer device, comprising;

[0008] The retaining wall body;

[0009] The drainage structure is arranged in the retaining wall body;

[0010] The pull plate is movably inserted in the middle of the front end of the retaining wall body;

[0011] The filter block is arranged on the surface of the pull plate;

[0012] The fixed baffle is fixedly installed at the front end of the retaining wall body;

[0013] The through holes are arranged on the surface of the fixed baffle plate.

[0014] The blocking structure is arranged in the fixed baffle plate and blocks the through holes.

[0015] Preferably, the filter block comprises filter holes, a first positioning plate and a second positioning plate, the filter holes are arranged on the surface of the pull-out plate, the first positioning plate and the second positioning plate are arranged in a circumferential array from inside to outside in the filter holes, a first slot is arranged between the first positioning plate and the second positioning plate, a second slot is arranged between the second positioning plate and the filter holes, a filter core is movably arranged in the middle part of the filter holes, a second geotextile bag is arranged in the inside of the first slot, and a first geotextile bag is arranged in the inside of the second slot.

[0016] Preferably, the blocking structure comprises a fixed baffle plate and a movable baffle plate, a lifting groove is arranged at the rear end of the fixed baffle plate, the movable baffle plate is movably arranged in the lifting groove and is arranged in close contact with the filter block, and a positioning block is movably connected to the top of the movable baffle plate.

[0017] Preferably, the drainage structure comprises drainage holes, the drainage holes are arranged in an array at the front end of the retaining wall body and correspond to the positions of the filter blocks, and a communication pipe is arranged between the drainage holes.

[0018] Preferably, the front sides of the lower ends of the left and right sides of the movable baffle plate are arranged in an inclined manner, and the number and positions of the through holes correspond to the number and positions of the filter blocks.

[0019] Preferably, the middle parts of the first geotextile bag, the second geotextile bag and the filter core are arranged in close contact from inside to outside.

[0020] Preferably, the thickness of the second geotextile bag is equal to the gap between the first positioning plate and the second positioning plate, and the gap between the second positioning plate and the fixed baffle plate is equal to the thickness of the first geotextile bag.

[0021] Compared with the prior art, the filter block is arranged on the pull-out plate, so that the filter block is convenient to take out, and the movable blocking structure is arranged on the fixed baffle plate, so that the drainage structure is blocked when the pull-out plate is taken out, the soil and water are prevented from being in communication with the drainage structure, and the water and soil loss is prevented.

[0022] Meanwhile, by setting the first positioning plate and the second positioning plate, it is convenient to fix the first geotextile bag, the second geotextile bag, and the filter element on the pull plate. At the same time, the first positioning plate and the second positioning plate provide support for the first geotextile bag, the second geotextile bag, and the filter element, preventing them from being deformed due to soil pressure, which could lead to water not being able to drain. Attached Figure Description

[0023] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0024] Figure 1 This is a schematic diagram of the overall appearance structure of a retaining wall filter layer device for soil and water conservation provided in an embodiment of the present invention.

[0025] Figure 2 A schematic diagram of the main cross-sectional structure of a retaining wall filter layer device for soil and water conservation provided in this embodiment of the present invention;

[0026] Figure 3 A right-side cross-sectional view of a filter layer device for retaining walls used in soil and water conservation, provided as an embodiment of this utility model;

[0027] Figure 4 A schematic diagram of the left cross-sectional structure of a retaining wall filter layer device for soil and water conservation provided in this embodiment of the present invention;

[0028] Figure 5 Provided for the embodiments of this utility model Figure 4 A magnified structural diagram of part A.

[0029] In the diagram: 1-Retaining wall body, 2-Pull-out plate, 3-Filter block, 4-Fixed baffle, 5-Through hole, 6-Modible baffle, 7-Positioning block, 8-Lifting groove, 9-Connecting pipe, 10-Drainage pipe, 11-Drainage hole, 12-First slot, 13-Second slot, 14-First positioning plate, 15-Second positioning plate, 16-Filter hole, 17-First geotextile bag, 18-Second geotextile bag, 19-Filter element. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0031] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0032] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 indicated, a structural schematic view of a soil and water loss prevention retaining wall inverse filter layer device provided by an embodiment of the present application, comprising;

[0033] The retaining wall body 1;

[0034] The drainage structure is arranged in the retaining wall body 1;

[0035] The pull plate 2 is movably inserted into the middle of the front end of the retaining wall body 1;

[0036] The filter block 3 is arranged on the surface of the pull plate 2;

[0037] The fixed baffle 4 is fixedly installed at the front end of the retaining wall body 1;

[0038] The through hole 5 is arranged on the surface of the fixed baffle 4;

[0039] The plugging structure is arranged in the fixed baffle 4 and plugs the through hole 5.

[0040] In the embodiment of the present application, when in use, the through hole 5 is plugged by the plugging structure on the fixed baffle 4, and then the pull plate 2 is pulled out, so that the filter block 3 is conveniently replaced;

[0041] By arranging the filter block 3 on the pull plate 2, the filter block 3 is conveniently taken out, and by arranging the movable plugging structure, the drainage structure is conveniently plugged when the pull plate 2 is taken out, so that the soil and water cannot be in communication with the drainage structure, and the soil and water loss is avoided.

[0042] As Figure 1 , Figure 2 , Figure 4 and Figure 5 indicated, as a preferred embodiment of the present application, the filter block 3 comprises a filter hole 16, a first positioning plate 14 and a second positioning plate 15, the filter hole 16 is arranged on the surface of the pull plate 2, the first positioning plate 14 and the second positioning plate 15 are circumferentially arranged inside the filter hole 16 from inside to outside, the first positioning plate 14 and the second positioning plate 15 are provided with a first slot 12, the second positioning plate 15 and the filter hole 16 are provided with a second slot 13, a filter core 19 is movably arranged in the middle of the filter hole 16, a second geotextile bag 18 is arranged in the inside of the first slot 12, and a first geotextile bag 17 is arranged in the inside of the second slot 13.

[0043] In the embodiment of the utility model, when using, the filter core 19 is placed in the middle part of the filter hole 16, and then the second geotextile bag 18 and the first geotextile bag 17 are inserted into the first slot 12 and the second slot 13 in sequence, thereby facilitating use.

[0044] The first positioning plate 14 and the second positioning plate 15 are arranged, the first slot 12 is arranged between the first positioning plate 14 and the second positioning plate 15, and the second slot 13 is arranged between the second positioning plate 15 and the filter hole 16, thereby facilitating installation of the first positioning plate 14 and the second positioning plate 15.

[0045] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , as a preferred embodiment of the utility model, the plugging structure comprises a fixed baffle 4 and a movable baffle 6, the rear end of the fixed baffle 4 is provided with a lifting groove 8, the movable baffle 6 is movably arranged in the lifting groove 8 and is arranged in close contact with the filter block 3, and the top of the movable baffle 6 is movably connected with a positioning block 7.

[0046] In the embodiment of the utility model, when using, the positioning block 7 is taken out from the top end of the movable baffle 6, and then the movable baffle 6 is pressed downward, so that the lower end moves along the lifting groove 8, thereby plugging the through hole 5 on the surface of the fixed baffle 4.

[0047] The plugging structure is arranged, so that the soil is separated from the pull-out plate 2, thereby the pull-out plate 2 can be quickly taken out, and the filter block 3 can be replaced.

[0048] As shown in Figure 3 and Figure 4 , as a preferred embodiment of the utility model, the drainage structure comprises a drainage hole 11, the drainage hole 11 is arranged in an array at the front end of the retaining wall body 1 and corresponds to the position of the filter block 3, a communication pipe 9 is arranged between the adjacent drainage holes 11, and a drainage pipe 10 is arranged in the middle part of the communication pipe 9.

[0049] In the embodiment of the utility model, when using, the filtered water enters the communication pipe 9 through the drainage hole 11, and then is discharged from the lower end of the surface of the retaining wall body 1 through the drainage pipe 10.

[0050] The drainage structure is arranged, so that the water flowing in the wall body is avoided, and the erosion of the surface is avoided.

[0051] As shown in Figure 2 , Figure 4 and Figure 5As shown, as a preferred embodiment of the utility model, the front side of the left and right sides of the lower end of the movable baffle 6 is inclined, the number and position of the through hole 5 correspond to the number and position of the filter block 3.

[0052] In the embodiment of the utility model, when using, the front side of the left and right sides of the lower end of the movable baffle 6 is inclined, so that the soil is conveniently cut off, and the number and position of the through hole 5 correspond to the number and position of the filter block 3, so that the water in the soil is conveniently discharged.

[0053] As shown in the drawings, Figure 4 And Figure 5 As shown, as a preferred embodiment of the utility model, the middle part of the first geotextile bag 17, the second geotextile bag 18 and the filter core 19 is arranged from inside to outside.

[0054] In the embodiment of the utility model, when using, the middle part of the first geotextile bag 17, the second geotextile bag 18 and the filter core 19 is arranged from inside to outside, so that the shaping is facilitated, the pressure deformation is reduced, and the situation that the filtering cannot be carried out occurs.

[0055] As shown in the drawings, Figure 4 And Figure 5 As shown, as a preferred embodiment of the utility model, the thickness value of the second geotextile bag 18 is equal to the gap value between the first positioning plate 14 and the second positioning plate 15, and the gap value between the second positioning plate 15 and the fixed baffle 4 is equal to the thickness value of the first geotextile bag 17.

[0056] In the embodiment of the utility model, when using, the thickness value of the second geotextile bag 18 is equal to the gap value between the first positioning plate 14 and the second positioning plate 15, and the gap value between the second positioning plate 15 and the fixed baffle 4 is equal to the thickness value of the first geotextile bag 17, so that the plug-in is facilitated.

[0057] In the above embodiment of the utility model, a water and soil loss prevention and treatment retaining wall inverse filter layer device is provided, when the filter block 3 needs to be replaced, the positioning block 7 is taken out from the top end of the movable baffle 6, then the movable baffle 6 is pressed downward, so that the lower end moves along the lifting groove 8, thereby the through hole 5 on the surface of the fixed baffle 4 is blocked, the soil is separated from the pull-out plate 2, so that the pull-out plate 2 can be quickly taken out, then the filter block 3 is replaced;

[0058] Then the first geotextile bag 17 and the second geotextile bag 18 are taken off from the first positioning plate 14 and the second positioning plate 15 for replacement, then the pull-out plate 2 is placed back in the fixed position on the retaining wall body 1, then the movable baffle 6 is lifted, then the positioning block 7 is fixed, so that the through hole 5 is opened, then the soil contacts the filter block 3, thereby the filtering work is carried out;

[0059] The filtered water enters the communicating pipe 9 through the drainage hole 11, and then is discharged from the lower end of the surface of the retaining wall body 1 through the drain pipe 10, so as to avoid the water flowing in the wall body and causing erosion on the surface.

[0060] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A filter layer device for retaining walls used for soil and water conservation, characterized in that, include; Retaining wall body (1); A drainage structure is provided in the retaining wall body (1); A pull-out plate (2) is movably inserted into the middle of the front end of the retaining wall body (1); Filter blocks (3), the filter blocks (3) array is disposed on the surface of the pull-out plate (2); A fixed baffle (4) is fixedly installed at the front end of the retaining wall body (1); Through holes (5), the array of through holes (5) is formed on the surface of the fixed baffle (4); A sealing structure is provided in a fixed baffle (4) to seal the through hole (5).

2. The soil and water conservation retaining wall filter layer device according to claim 1, characterized in that, The filter block (3) includes filter holes (16), a first positioning plate (14) and a second positioning plate (15). The filter holes (16) are arranged in an array on the surface of the pull-out plate (2). The first positioning plate (14) and the second positioning plate (15) are arranged in a circumferential array from the inside to the outside inside the filter holes (16). A first slot (12) is provided between the first positioning plate (14) and the second positioning plate (15). A second slot (13) is provided between the second positioning plate (15) and the filter holes (16). A filter element (19) is movably placed in the middle of the filter holes (16). A second geotextile bag (18) is placed inside the first slot (12). A first geotextile bag (17) is placed inside the second slot (13).

3. The soil and water conservation retaining wall filter layer device according to claim 1, characterized in that, The sealing structure includes a fixed baffle (4) and a movable baffle (6). The fixed baffle (4) has a lifting groove (8) at its rear end. The movable baffle (6) is movably disposed inside the lifting groove (8) and is attached to the filter block (3). A positioning block (7) is movably inserted into the top of the movable baffle (6).

4. The soil and water conservation retaining wall filter layer device according to claim 1, characterized in that, The drainage structure includes drainage holes (11), the array of drainage holes (11) is opened at the front end of the retaining wall body (1) and corresponds to the position of the filter block (3), a connecting pipe (9) is opened between the drainage holes (11), and a drainage pipe (10) is opened in the middle of the connecting pipe (9).

5. The soil and water conservation retaining wall filter layer device according to claim 3, characterized in that, The front sides of the lower ends of the movable baffle (6) are inclined, and the number and position of the through holes (5) correspond to the number and position of the filter blocks (3).

6. The soil and water conservation retaining wall filter layer device according to claim 2, characterized in that, The first geotextile bag (17), the second geotextile bag (18), and the filter element (19) are attached together from the inside to the outside in the middle.

7. A filter layer device for retaining walls used for soil and water conservation according to claim 2, characterized in that, The thickness of the second geotextile bag (18) is equal to the gap between the first positioning plate (14) and the second positioning plate (15), and the gap between the second positioning plate (15) and the fixed baffle (4) is equal to the thickness of the first geotextile bag (17).

Citation Information

Patent Citations

  • Retaining wall inverted filter device for preventing and controlling water and soil loss

    CN220538700U