In-situ testing device for permeability coefficient of soil layer

Abstract

The utility model provides a soil layer permeability coefficient in-situ testing device which comprises a first sleeve and a liquid storage tank, the liquid storage tank is fixedly connected to the outer circle face of the first sleeve, a first cavity is formed in the first sleeve, a detection assembly is fixedly connected in the first cavity, a second cavity is formed in the liquid storage tank, and the detection assembly is fixedly connected in the second cavity. One end of the second cavity is fixedly connected with a plurality of liquid outlet pipes, the ends, away from the second cavity, of the liquid outlet pipes are fixedly connected with insertion ends, liquid outlet channels are formed in the liquid outlet pipes and the insertion ends and communicate with the second cavity, and a pressurizing assembly is fixedly arranged on the side, away from the liquid outlet channels, in the second cavity. According to the scheme, the pressurizing assembly capable of pushing distilled water in the second cavity out of the insertion end through the liquid outlet channel is arranged in the second cavity, and the rotatable and telescopic detection assembly is arranged in the first cavity, so that the distilled water permeates into a soil layer more quickly, long-time waiting is avoided, and the detection efficiency is improved. Therefore, the purpose of improving the soil layer permeability coefficient testing efficiency is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of soil testing, in particular to an in-situ testing device for soil layer permeability coefficient. Background Art

[0002] Soil permeability is a key parameter that describes the soil's ability to allow water to flow through its pores. It directly impacts water conservancy project construction, environmental management, and soil stability analysis. In-situ testing involves testing the soil in its natural state, without excavation or movement. This method more accurately reflects the soil's actual engineering properties.

[0003] For example, a Chinese patent discloses an "in-situ soil permeability coefficient testing device" (Patent No.: CN116858745A). This device includes a control panel, a bracket, a mounting block, a hydraulic cylinder, a telescopic rod, a detection device, and a main body. When the device is in use, the mounting head is mounted on the main body via a connecting rod, and the limiting assembly is mounted at the bottom of the main body. The detection barrel, under the action of the limiting assembly, moves downward on a movable slide and is inserted into the soil layer. The adjustment frame can also move the limiting assembly, helping to locate the position of the limiting assembly. This patent has the advantage that the detection barrel can vertically inject water into the soil layer to detect and observe the soil permeability coefficient.

[0004] However, the above-mentioned in-situ soil permeability coefficient testing device needs to spend a lot of time waiting for distilled water to penetrate the soil layer, so its testing efficiency is not high. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the present invention provides an in-situ testing device for soil permeability coefficient, which solves the problems raised in the above-mentioned background technology.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: an in-situ testing device for soil permeability coefficient, characterized in that: it includes a first sleeve and a liquid storage tank, the liquid storage tank is fixedly connected to the outer circular surface of the first sleeve, a first cavity is opened in the first sleeve, a detection component is fixedly connected in the first cavity, a second cavity is opened in the liquid storage tank, one end of the second cavity is fixedly connected to a plurality of liquid outlet pipes, the end of the liquid outlet pipe away from the second cavity is fixedly connected to an insertion end, a liquid outlet channel is opened in the liquid outlet pipe and the insertion end, the liquid outlet channel is connected to the second cavity, a boosting component is fixedly provided on the side of the second cavity away from the liquid outlet channel, and a second opening is opened on the outer circular surface of the liquid storage tank.

[0009] Preferably, the detection component includes a first motor and a rotating rod, one end of the first motor is fixedly connected to the rotating rod, the other end of the first motor is fixedly connected to a limiting block, a plurality of support blocks are fixedly connected to the outer circular surface of the limiting block, the support block is fixedly connected to the first sleeve, the end of the rotating rod away from the first motor is fixedly connected to a second motor, the second motor is fixedly connected to an electric telescopic rod, and the electric telescopic rod is fixedly connected to a detection drill bit.

[0010] Preferably, the boosting assembly includes an airbag and a blower, the airbag is fixedly connected to the liquid storage tank, a plurality of first openings are provided on a surface of the liquid storage tank away from the liquid outlet pipe, the first openings are fixedly connected to an air intake pipe, the end of the air intake pipe away from the first openings is fixedly connected to a blower, a third cavity is provided in the airbag, and the first openings are through-connected to the third cavity.

[0011] Preferably, the second opening is opened above the airbag.

[0012] Preferably, the first opening is opened on the liquid storage tank with an arc equal to the axis of the liquid storage tank.

[0013] Preferably, the liquid outlet pipe is fixedly connected to the liquid storage tank with an arc equal to the axis of the liquid storage tank.

[0014] (3) Beneficial effects

[0015] The utility model provides an in-situ testing device for soil permeability coefficient, which has the following beneficial effects:

[0016] 1. This solution sets a booster component in the second cavity that can push the distilled water in the second cavity out of the insertion end through the liquid outlet channel, and sets a rotatable and retractable detection component in the first cavity, so that the distilled water can penetrate into the soil layer more quickly, avoiding long waiting times, thereby achieving the purpose of improving the efficiency of soil permeability coefficient testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a right side structural schematic diagram of the present utility model;

[0019] Figure 3 for Figure 2 Schematic diagram of the cross-sectional structure of AA.

[0020] In the figure: 11, first sleeve; 12, first cavity; 13, liquid storage tank; 14, second cavity; 15, liquid outlet pipe; 16, liquid outlet channel; 17, insertion end; 18, first opening; 19, airbag; 20, third cavity; 21, air inlet pipe; 22, blower; 23, limit block; 24, support block; 25, first motor; 26, rotating rod; 27, second motor; 28, electric telescopic rod; 29, detection drill bit; 30, second opening. DETAILED DESCRIPTION

[0021] The present invention provides an in-situ soil permeability test device. Figure 1-3 As shown, it includes a first sleeve 11, a first cavity 12, a liquid storage tank 13, a second cavity 14, a liquid outlet pipe 15, a liquid outlet channel 16, an insertion end 17, a first opening 18, an airbag 19, a third cavity 20, an air inlet pipe 21, a blower 22, a limit block 23, a support block 24, a first motor 25, a rotating rod 26, a second motor 27, an electric telescopic rod 28, a detection drill bit 29, and a second opening 30.

[0022] like Figure 1-3 As shown, the liquid storage tank 13 is fixedly connected to the outer circumferential surface of the first sleeve 11, a first cavity 12 is opened in the first sleeve 11, a detection component is fixedly connected in the first cavity 12, a second cavity 14 is opened in the liquid storage tank 13, one end of the second cavity 14 is fixedly connected to a plurality of liquid outlet pipes 15, one end of the liquid outlet pipe 15 away from the second cavity 14 is fixedly connected to the insertion end 17, a liquid outlet channel 16 is opened in the liquid outlet pipe 15 and the insertion end 17, the liquid outlet channel 16 is connected with the second cavity 14, a boosting component is fixedly provided on the side of the second cavity 14 away from the liquid outlet channel 16, and a second opening 30 is opened on the outer circumferential surface of the liquid storage tank 13.

[0023] The first opening 18 is opened on the liquid storage box 13 with the axis of the liquid storage box 13 as the axis and the curvature is equal. The liquid outlet pipe 15 is fixedly connected to the liquid storage box 13 with the axis of the liquid storage box 13 as the axis and the curvature is equal.

[0024] The detection assembly includes a first motor 25 and a rotating rod 26. One end of the first motor 25 is fixedly connected to the rotating rod 26. The other end of the first motor 25 is fixedly connected to the limit block 23. Several support blocks 24 are fixedly connected to the outer circular surface of the limit block 23. The support blocks 24 are fixedly connected to the first sleeve 11. The end of the rotating rod 26 away from the first motor 25 is fixedly connected to the second motor 27. The second motor 27 is fixedly connected to the electric telescopic rod 28. The electric telescopic rod 28 is fixedly connected to the detection drill bit 29.

[0025] It is worth noting that the first motor 25, the second motor 27, the electric telescopic rod 28 and the detection drill bit 29 are all existing technologies, and the detection drill bit 29 is integrated with a humidity detector.

[0026] The booster assembly includes an airbag 19 and a blower 22. The airbag 19 is made of elastic material. When the airbag 19 is in a natural state, the airbag 19 contacts the outer cylindrical surface of the second cavity 14. The blower 22 is a prior art. The airbag 19 is fixedly connected to the liquid storage tank 13. A plurality of first openings 18 are provided on the surface of the liquid storage tank 13 away from the liquid outlet pipe 15. The first openings 18 are fixedly connected to the air intake pipe 21. The end of the air intake pipe 21 away from the first openings 18 is fixedly connected to the blower 22. A third cavity 20 is provided in the airbag 19. The first opening 18 is connected to the third cavity 20. The second opening 30 is provided above the airbag 19.

[0027] When the present invention performs an in-situ test of the soil permeability coefficient, first, the liquid storage tank 13 is placed horizontally above the soil layer, and the liquid outlet pipe 15 is slowly inserted into the soil layer. When the liquid outlet pipe 15 is inserted into the soil layer, the liquid storage tank 13 is kept horizontal.

[0028] Then, distilled water is filled into the second cavity 14 through the second opening 30, and the blower 22 is started. The blower 22 blows air into the third cavity 20 through the air inlet pipe 21 and the first opening 18, and the airbag 19 expands, thereby pushing the distilled water in the second cavity 14 out from the insertion end 17 through the liquid outlet channel 16, and the distilled water penetrates into the soil layer.

[0029] Finally, the first motor 25 drives the rotating rod 26 to rotate, and the rotating rod 26 drives the second motor 27 to rotate with the rotating rod 26 as the axis. The second motor 27 drives the electric telescopic rod 28 to extend, and the electric telescopic rod 28 pushes the detection drill bit 29 into the soil layer. The detection drill bit 29 tests the permeability coefficient of the soil layer.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An in-situ testing device for soil permeability coefficient, characterized by: The invention comprises a first sleeve (11) and a liquid storage tank (13), wherein the liquid storage tank (13) is fixedly connected to the outer circumferential surface of the first sleeve (11), a first cavity (12) is provided in the first sleeve (11), a detection component is fixedly connected in the first cavity (12), a second cavity (14) is provided in the liquid storage tank (13), one end of the second cavity (14) is fixedly connected to a plurality of liquid outlet pipes (15), one end of the liquid outlet pipe (15) away from the second cavity (14) is fixedly connected to an insertion end (17), a liquid outlet channel (16) is provided in the liquid outlet pipe (15) and the insertion end (17), the liquid outlet channel (16) is connected to the second cavity (14), a boosting component is fixedly provided on the side of the second cavity (14) away from the liquid outlet channel (16), and a second opening (30) is provided on the outer circumferential surface of the liquid storage tank (13).

2. The in-situ soil permeability test device according to claim 1, characterized in that: The detection assembly comprises a first motor (25) and a rotating rod (26), one end of the first motor (25) is fixedly connected to the rotating rod (26), the other end of the first motor (25) is fixedly connected to a limit block (23), a plurality of support blocks (24) are fixedly connected to the outer circumferential surface of the limit block (23), the support blocks (24) are fixedly connected to the first sleeve (11), one end of the rotating rod (26) away from the first motor (25) is fixedly connected to a second motor (27), the second motor (27) is fixedly connected to an electric telescopic rod (28), and the electric telescopic rod (28) is fixedly connected to a detection drill bit (29).

3. The in-situ soil permeability test device according to claim 2, characterized in that: The boosting assembly includes an air bag (19) and a blower (22), the air bag (19) is fixedly connected to the liquid storage tank (13), a plurality of first openings (18) are provided on a surface of the liquid storage tank (13) away from the liquid outlet pipe (15), the first openings (18) are fixedly connected to an air intake pipe (21), and the end of the air intake pipe (21) away from the first openings (18) is fixedly connected to the blower (22), a third cavity (20) is provided in the air bag (19), and the first openings (18) are connected to the third cavity (20).

4. The in-situ soil permeability test device according to claim 3, characterized in that: The second opening (30) is opened above the airbag (19).

5. The in-situ soil permeability test device according to claim 3, characterized in that: The first opening (18) is opened on the liquid storage box (13) with an equal arc around the axis of the liquid storage box (13).

6. The in-situ soil permeability test device according to claim 1, characterized in that: The liquid outlet pipe (15) is fixedly connected to the liquid storage tank (13) with the axis of the liquid storage tank (13) as the axis and with an equal arc.

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