Device for manufacturing and displaying soil layer specimen

Abstract

The utility model relates to a device for manufacturing and displaying a soil layer specimen. The device comprises a display box (1), a liquid injection assembly (2) for injecting a transparent adhesive fixing agent into the display box, and a gas extraction and injection assembly (3) for extracting or injecting gas into the display box (1), a display soil body (4) is arranged in the display box (1), the liquid injection assembly (2) comprises a grouting pipeline (21) communicated with the interior of the display box (1) and a micro grouting pipeline (22) arranged in the display soil body (4), and the gas extraction and injection assembly (3) comprises a gas pipeline (31) communicated with the interior of the display box (1). Compared with the prior art, the device has the advantages that a soil layer does not need to be remolded, and an original soil sample is directly used for manufacturing and displaying.

Description

Technical Field

[0001] The utility model relates to the technical field of soil specimen collection and production, in particular to a device for producing and displaying soil layer specimens. Background Art

[0002] Soil refers to a loose layer of material on the surface of the earth, composed of various granular minerals, organic matter, water, air, microorganisms, etc. The soil layer is the horizontal layer structure shown on the soil profile. Each soil layer has obvious differences from the soil layers above and below it in color, structure, texture, holding power, type and quantity of organisms, and pH, reflecting the differences in physical, chemical, and biological characteristics of each soil layer.

[0003] Existing soil layer displays are mainly achieved by physically air-drying, then mixing in a binder, and then manually reshaping and placing in a preservation device. This is not only time-consuming and labor-intensive, but also destroys the color, moisture, state, structure, etc. of the soil layer, and cannot meet the need to display the original state of the soil layer during popular science displays. Utility Model Content

[0004] The purpose of the utility model is to provide a device for making and displaying soil layer specimens, which does not require reshaping the soil layer and directly utilizes the original soil sample to make the display.

[0005] The purpose of the utility model can be achieved by the following technical scheme: a device for making and displaying soil layer specimens, comprising a display box, a liquid injection component for injecting a transparent adhesive fixative into the display box, and a gas extraction and injection component for extracting or injecting gas into the display box;

[0006] The display box is provided with a display soil body, the liquid injection assembly comprises a grouting pipeline connected to the inside of the display box and a micro grouting pipeline arranged in the display soil body, and the gas extraction and injection assembly comprises a gas pipeline connected to the inside of the display box.

[0007] Preferably, the liquid injection assembly further comprises a liquid storage tank, which is communicated with the grouting pipeline and contains a transparent adhesive fixing agent.

[0008] Preferably, the transparent adhesive fixative comprises an epoxy resin curing agent.

[0009] Preferably, the transparent adhesive fixing agent includes 593 curing agent, 590 curing agent or 703 curing agent.

[0010] Preferably, the grouting pipe penetrates from the bottom of the display box, and an injection valve is provided at the outlet end of the grouting pipe.

[0011] Further preferably, the injection valve comprises a one-way valve.

[0012] More preferably, the injection valve comprises a one-way valve plate or a one-way solenoid valve.

[0013] Preferably, the micro-grouting pipe comprises a transverse micro-grouting flower pipe and a longitudinal micro-grouting flower pipe, and both the transverse micro-grouting flower pipe and the longitudinal micro-grouting flower pipe are provided with grout outlet holes.

[0014] Further preferably, the diameter of the slurry outlet hole is 0.4 cm to 0.6 cm.

[0015] Further preferably, the transverse micro-grouting flower tube and the longitudinal micro-grouting flower tube are cylindrical in shape, with grouting ports at both ends, and the grouting ports are exposed to the surface of the display soil.

[0016] Preferably, 1 to 3 longitudinal micro-grouting flower tubes are arranged at intervals in the display soil body.

[0017] Further preferably, the longitudinal micro grouting flower tube is arranged at the center of the display soil body and / or at 1 / 3 of the diameter.

[0018] Preferably, a plurality of transverse micro-grouting flower tubes are arranged in the display soil body at intervals of 5 to 10 cm.

[0019] Preferably, the display soil body is in a cylindrical structure, and the outer diameter of the micro-grouting pipe is 1 / 8 to 1 / 10 of the diameter of the display soil body.

[0020] In the utility model, the micro grouting pipeline is mainly a passage for the curing agent and the fully solidified interior of the display soil, and is also a skeleton for supporting the display soil structure.

[0021] Preferably, one end of the gas pipeline is connected to an air pump, and the other end penetrates from the top of the display box and is provided with a gas extraction and injection valve.

[0022] Further preferably, the gas extraction and injection valve is an air pressure reverse closed gas nozzle or a two-way solenoid valve.

[0023] Preferably, a pressure gauge is provided on the display box.

[0024] Preferably, the display box comprises a box body with upper and lower openings and a base arranged at the upper and lower openings of the box body, and the box body and the base together constitute a closed space.

[0025] Further preferably, sealing rings are arranged around the upper and lower openings of the box body.

[0026] Further preferably, the box body is a transparent structure.

[0027] Preferably, the device for preparing and displaying soil layer specimens further comprises a controller, and the controller is connected to the liquid injection component and the gas extraction and injection component.

[0028] Further preferably, the controller comprises a PLC controller.

[0029] A method for preparing and displaying soil layer specimens, using the above device, comprises the following steps:

[0030] S1: Shape and trim the soil sample according to the size of the display box to obtain the display soil body (soil layer specimen);

[0031] S2: Place micro-grouting pipes inside the display soil;

[0032] S3: placing the display soil in a display box, injecting gas into the display box through the gas extraction and injection component, and injecting a transparent adhesive fixative into the display box through the liquid injection component;

[0033] S4: After the transparent adhesive fixative fills the display box, the gas in the display box is extracted through the gas extraction and injection component;

[0034] S5: Wait for the transparent adhesive fixative to solidify.

[0035] Preferably, the shaping and trimming in step S1 is performed using a wire saw and a cutter.

[0036] Preferably, the micro grouting pipe in step S2 is implanted by vibration, or is pre-drilled and then inserted.

[0037] Further preferably, during the vibration implantation process, the vibration frequency is different from the natural frequency of the soil.

[0038] More preferably, the vibration frequency is not within the range of 10-25 Hz.

[0039] Preferably, in step S3, the injection gas pressure is determined according to the soil environment pressure and is not less than the soil sample depth*10kpa*1.2. For example, for a soil sample 10 meters underground, the pressure is not less than 120kpa.

[0040] Preferably, in step S3, when the transparent adhesive fixative is injected, the injection rate is determined according to the size of the display box, and the standard is: the rising speed of the transparent adhesive fixative in the display box is not more than 1 cm per minute, mainly to prevent the rising too fast, resulting in insufficient contact between the adhesive and the soil, and forming more gaps.

[0041] Preferably, in step S4, when the gas in the display box is extracted by the gas extraction and injection assembly, the negative pressure in the display box is -40 kPa to -80 kPa.

[0042] Preferably, in step S5, after the transparent adhesive fixative solidifies, the grouting pipeline, the gas pipeline and the pressure gauge are removed.

[0043] Compared with the prior art, the utility model has the following beneficial effects:

[0044] 1. The utility model does not need to reshape the soil layer, but directly uses the original soil sample to make the display, which can fully reflect the level and structure of the soil layer;

[0045] 2. After the utility model uses a transparent adhesive fixative to seal the soil layer, the color, humidity, state, etc. of the soil layer can be maintained, and these characteristics of the soil layer will not change over time;

[0046] 3. The utility model implants a micro grouting pipe inside the soil, which ensures that the adhesive fixative is in full contact with the soil layer, and also serves as a reinforcement skeleton for the soil layer, maintaining the stability of the soil layer and avoiding soil layer damage caused by disturbance;

[0047] 4. The utility model ensures that the adhesive is fully combined with the soil body through the combined method of applying pressure on the upper part and injecting the adhesive fixative on the lower part, so as to ensure the long-term stability of the soil layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] Figure 1 It is a structural schematic diagram of the device of the utility model;

[0049] Figure 2 This is a schematic diagram of the structure of the micro grouting pipeline of the utility model;

[0050] In the figure: 1-display box, 11-box, 12-base, 2-liquid injection component, 21-grouting pipe, 22-micro grouting pipe, 221-horizontal micro grouting flower pipe, 222-vertical micro grouting flower pipe, 23-liquid storage tank, 24-liquid injection valve, 3-gas extraction and injection component, 31-gas pipeline, 32-air pump, 33-gas extraction and injection valve, 4-display soil, 5-pressure gauge. DETAILED DESCRIPTION

[0051] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. This embodiment is implemented based on the technical solution of the present invention, and provides a detailed implementation method and specific operation process, but the protection scope of the present invention is not limited to the following embodiments.

[0052] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0053] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0054] Example 1

[0055] A device for making and displaying soil layer specimens, such as Figures 1-2 As shown, it includes a display box 1, a liquid injection component 2, and a gas extraction and injection component 3 for extracting or injecting gas into the display box 1. Among them, the display soil body 4 is arranged in the display box 1, the liquid injection component 2 is used to inject a transparent adhesive fixative into the display box 1, and includes a grouting pipeline 21 connected to the inside of the display box 1 and a micro grouting pipeline 22 arranged in the display soil body 4, and the gas extraction and injection component 3 is used to extract gas from the display box 1 or inject gas into the display box 1, and includes a gas pipeline 31 connected to the inside of the display box 1.

[0056] Example 2

[0057] A device for making and displaying soil layer specimens, wherein the liquid injection component 2 comprises a grouting pipe 21, a micro-grouting pipe 22 and a liquid storage tank 23. The grouting pipe 21 is connected from the bottom of the display box 1 to the inside of the display box 1, and the grouting pipe 21 is connected to the liquid storage tank 23. The liquid storage tank 23 contains a transparent adhesive fixative. The grouting pipe 21 is provided with a delivery pump for delivering the transparent adhesive fixative to the display box 1. The micro-grouting pipe 22 comprises a transverse micro-grouting flower tube 221 and a longitudinal micro-grouting flower tube 222. The transverse micro-grouting flower tube 221 and the longitudinal micro-grouting flower tube 222 are arranged transversely or longitudinally in the display soil body 4, and are hollow cylindrical structures with openings at both ends. A slurry outlet hole is opened on the wall of the hollow cylindrical structure, and the openings at both ends are grouting ports, which are exposed to the surface of the display soil body 4.

[0058] In this embodiment, the display soil body 4 is a cylindrical soil sample with a diameter of 8.9 cm, the diameters of the transverse micro-grouting flower tube 221 and the longitudinal micro-grouting flower tube 222 are 1 cm, one longitudinal micro-grouting flower tube 222 is provided and placed at the center of the display soil body 4, and the transverse pipes can be arranged at a longitudinal spacing of 7 cm and have no contact with the longitudinal micro-grouting flower tube 222. The rest is the same as the embodiment.

[0059] Example 3

[0060] A device for making and displaying soil layer specimens, wherein a gas extraction and injection component 3 comprises a gas pipeline 31, a pumping air pump 32 and a gas extraction and injection valve 33.

[0061] The pumping air pump 32 is a dual-function air pump with both pumping and inflating functions, the pumping and injection valve 33 is arranged at the top of the display box 1, one end of the gas pipeline 31 is connected to the pumping air pump 32, and the other end is connected to the pumping and injection valve 33. In addition, in this embodiment, the liquid injection component 2 also includes a liquid injection valve 24, which is arranged at the bottom of the display box 1, one end of the grouting pipeline 21 is connected to the liquid injection valve 24, and the other end is connected to the liquid storage tank 23.

[0062] In addition, in this embodiment, the display box 1 includes a transparent box body 11 with upper and lower openings and a base 12 disposed at the upper and lower openings of the box body 11, the box body 11 and the base 12 together form a closed space, and the display box 1 is connected to a pressure gauge 5. The rest is the same as in the second embodiment.

[0063] Example 4

[0064] A device for making and displaying soil layer specimens, wherein the gas extraction and injection valve 33 is a two-way electromagnetic valve, the liquid injection valve 24 is a one-way electromagnetic valve, the gas extraction and injection valve 33 is detachably connected to the gas pipeline 31, and the liquid injection valve 24 is detachably connected to the grouting pipeline 21. The rest is the same as that of embodiment 3.

[0065] A method for making and displaying soil layer specimens is performed using the device of this embodiment: when in use, firstly, the soil sample is shaped and trimmed, and the soil sample that meets the display shape requirements is trimmed according to the size of the display box; then the soil sample is pretreated, and in order to ensure that the subsequent soil sample is exhausted and the adhesive fixative can penetrate into the soil sample, and fully bond with the soil layer to be fixed, a certain number of micro-grouting pipes need to be driven into the soil sample as a fixative infiltration channel and a soil layer overall frame fixation. After the soil sample shaping pretreatment is completed, the soil sample is moved into the display box, and the upper and lower bases are installed to ensure that the seal in the display box is stable. Then the upper end extraction and injection device is installed to inject a certain amount of gas into the display box to maintain a certain air pressure in the box. Then, a transparent adhesive fixative is slowly injected from the bottom of the display box, and the adhesive fixative is fully combined with the soil body through the grouting pipe by a combination of upper pressure application and lower injection rate control. After the fixative completely fills the display box, the extraction and injection device is turned on again to slowly extract the gas in the display box to ensure that there is a certain negative pressure in the display box to facilitate the escape of the gas remaining in the fixative. Finally, keep the display box stable, and after the adhesive fixative solidifies, remove the grouting, gas extraction pipelines and pressure gauge.

[0066] The above description of the embodiments is to facilitate the understanding and use of the utility model by those skilled in the art. It is obvious that those familiar with the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the utility model is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the utility model without departing from the scope of the utility model should be within the scope of protection of the utility model.

Claims

1. A device for making and displaying soil layer specimens, characterized in that: It comprises a display box (1), a liquid injection component (2) for injecting a transparent adhesive fixative into the display box, and a gas extraction and injection component (3) for extracting or injecting gas into the display box (1); The display box (1) is provided with a display soil body (4), the liquid injection component (2) comprises a grouting pipeline (21) communicating with the interior of the display box (1) and a micro grouting pipeline (22) arranged in the display soil body (4), and the gas extraction and injection component (3) comprises a gas pipeline (31) communicating with the interior of the display box (1).

2. The device for making and displaying soil layer specimens according to claim 1, characterized in that: The liquid injection assembly (2) further comprises a liquid storage tank (23), the liquid storage tank (23) being in communication with the grouting pipeline (21), and a transparent adhesive fixing agent being contained in the liquid storage tank (23).

3. The device for preparing and displaying soil layer specimens according to claim 1, characterized in that: The grouting pipe (21) penetrates from the bottom of the display box (1), and a liquid injection valve (24) is provided at the outlet end of the grouting pipe (21).

4. The device for preparing and displaying soil layer specimens according to claim 1, characterized in that: The micro-grouting pipe (22) comprises a transverse micro-grouting flower pipe (221) and a longitudinal micro-grouting flower pipe (222), and both the transverse micro-grouting flower pipe (221) and the longitudinal micro-grouting flower pipe (222) are provided with grout outlet holes.

5. The device for preparing and displaying soil layer specimens according to claim 4, characterized in that: The main bodies of the transverse micro-grouting flower tube (221) and the longitudinal micro-grouting flower tube (222) are cylindrical, with grouting ports provided at both ends, and the grouting ports are exposed to the surface of the display soil (4).

6. The device for preparing and displaying soil layer specimens according to claim 1, characterized in that: One to three longitudinal micro-grouting flower tubes (222) are arranged at intervals in the display soil body (4), and a plurality of transverse micro-grouting flower tubes (221) are arranged at intervals of 5 to 10 cm in the display soil body (4).

7. The device for making and displaying soil layer specimens according to claim 1, characterized in that: The display soil body (4) is in a cylindrical structure, and the outer diameter of the micro-grouting pipe (22) is 1 / 8 to 1 / 10 of the diameter of the display soil body (4).

8. The device for making and displaying soil layer specimens according to claim 1, characterized in that: One end of the gas pipeline (31) is connected to an air pump (32), and the other end penetrates from the top of the display box (1) and is provided with an air extraction and injection valve (33).

9. The device for preparing and displaying soil layer specimens according to claim 1, characterized in that: The display box (1) is provided with a pressure gauge (5).

10. The device for making and displaying soil layer specimens according to claim 1, characterized in that: The display box (1) comprises a box body (11) with upper and lower openings and a base (12) arranged at the upper and lower openings of the box body (11); the box body (11) and the base (12) together form a closed space; and the box body (11) is a transparent structure.

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