A stainless steel soil sampler for collecting soil from farmland

Abstract

The utility model discloses a kind of stainless steel earth collecting devices of collecting farmland soil, including support pipe, and the crushing assembly of being arranged in the lower part of support pipe, the crushing assembly is used to realize the crushing operation of soil layer;It further includes the adsorption component arranged on support pipe, the adsorption component is used to ensure that soil sample can be quickly and stably absorbed under various soil environments, the lower end of the support pipe is equipped with cover plate.The utility model belongs to the technical field of sampling tool, specifically a kind of stainless steel earth collecting device for collecting farmland soil.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sampling tool technical field especially relates to a stainless steel soil sampling device of farmland soil collection. BACKGROUND

[0002] Precise agriculture develops rapidly, and soil nutrients, texture and other information have a significant impact on crop growth. Different crops have different requirements for soil conditions at different growth stages. In order to scientific fertilization and reasonable irrigation, it is necessary to accurately collect soil samples to analyze their physical and chemical properties. Traditional sampling tools may affect sample purity due to material problems, stainless steel soil sampling device can avoid pollution due to material characteristics, provide more reliable samples, and help agricultural production decision.

[0003] Environmental pollution problems are increasingly concerned, and soil, as an important part of the environment, its pollution monitoring is necessary. Heavy metal pollution, organic pollutant residues and other soil samples need to be collected for detection. Stainless steel has strong corrosion resistance, and when sampling in complex environment (such as contaminated site), it can ensure that the device itself is not corroded, and there is no chemical reaction with the soil sample, so as to ensure that the collected sample can truly reflect the soil pollution condition, and provide effective basis for environmental governance.

[0004] Traditional soil sampling device has the problems of easy damage and environmental pollution when sampling, which affects the accuracy of sampling and the quality of sample. The sampling device at the present stage has poor durability and anti-interference, and cannot meet the requirements of high precision and high efficiency of modern sampling work. UTILITY MODEL CONTENTS

[0005] In view of the above situation, the defects of easy damage and environmental pollution of the prior art are overcome.

[0006] The utility model adopts the technical scheme as follows: a stainless steel soil sampling device for collecting farmland soil, including support pipe and breaking assembly arranged in the lower part of the support pipe, the breaking assembly is used for realizing the crushing operation of soil layer, further including adsorption assembly arranged on the support pipe, the adsorption assembly is used for ensuring that the soil sample can be quickly and stably sucked in various soil environments, and the lower end of the support pipe is provided with a cover plate.

[0007] Further, the breaking assembly includes a positioning rod, a sliding block, a soil sampling probe and a hydraulic module, the positioning rod is fixedly connected to the middle part of the support pipe, a sliding groove is formed in the positioning rod, the sliding block is slidingly arranged in the sliding groove, the hydraulic module is fixedly connected between the sliding block and the inside of the support pipe, the soil sampling probe is fixedly connected to the lower end of the sliding block, the upper end of the hydraulic module is communicated with a hydraulic pump through a conduit, the hydraulic pump is fixedly connected to the upper end of the support pipe, and the power end of the hydraulic module is fixedly connected with the sliding block.

[0008] Further, the adsorption assembly comprises a filter plate and a ring shell, a closed adsorption cavity is formed between the outer wall surface of the positioning rod and the inner wall surface of the support pipe, the filter plate is fixedly connected to the inside of the adsorption cavity, the filter plate divides the adsorption cavity into a plurality of chambers, an air outlet is formed in the upper end of the support pipe, the ring shell is fixedly connected to the inner side of the air outlet, a closed booster cavity is formed in the inside of the ring shell, an exhaust port is formed in the upper end of the booster cavity, the booster cavity is communicated with the turbine air pump through a pipeline on one side, and the turbine air pump is fixedly connected to the outer side of the support pipe.

[0009] Further, a sealing block matched with the opening of the lower end of the support pipe is fixedly connected to the upper end of the cover plate, and the lower end of the support pipe is connected with the cover plate through a fixing bolt.

[0010] Further, the soil sampling probe is tubular, and a through hole one is formed in one side of the soil sampling probe, and a specific slope is formed in the lower end edge of the soil sampling probe.

[0011] Further, a pressure-sensitive sensor is arranged between the power end of the hydraulic module and the sliding block, a microprocessor is arranged on the outer side of the support pipe, the pressure-sensitive sensor is electrically connected with the microprocessor through a wire, the hydraulic pump is electrically connected with the microprocessor through a wire, and the turbine air pump is electrically connected with the microprocessor through a wire.

[0012] Further, a fixing plate is arranged at the lower end of the support pipe, and a fixing rod is threadedly connected to the fixing plate.

[0013] Further, a through hole two is formed in the lower end of the adsorption cavity and communicated with the through hole one.

[0014] After the above structure is adopted, the beneficial effects of the present application are as follows:

[0015] (1) Through the linkage of the positioning rod, the sliding block, the soil sampling probe and the hydraulic module and the pressure-sensitive sensor, the hydraulic pump and the microprocessor in the crushing assembly, a hydraulic transmission mode is adopted to realize the accurate control of the insertion depth of the soil sampling probe. At the same time, the real-time pressure data is fed back to the operation panel through the pressure-sensitive sensor, so as to ensure the accuracy of the soil sampling depth.

[0016] (2) Through the linkage of the filter plate and the ring shell and the booster cavity, the turbine air pump and the microprocessor in the adsorption assembly, the through hole two at the end of the support pipe is connected with the adsorption cavity, the support pipe is made of transparent and vacuum-resistant material, and the state of the soil sample can be observed. The filter plate arranged in the inside of the adsorption cavity prevents the soil sample from being damaged and scattered during the collection process. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, which together with the embodiments of the present application serve to explain the present application, and do not constitute a limitation of the present application.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole structure explosion schematic diagram of the utility model;

[0020] Figure 3 It is the whole structure half cut schematic diagram of the utility model;

[0021] Figure 4 It is the A part enlarged view of Figure 3

[0022] Figure 5 It is the B part enlarged view of Figure 3

[0023] In the drawing: 1, support pipe, 2, cover plate, 3, positioning rod, 4, sliding block, 5, soil sampling probe, 6, hydraulic module, 7, hydraulic pump, 8, filter plate, 9, ring shell, 10, chamber, 11, gas outlet, 12, booster chamber, 13, exhaust port, 14, turbine air pump, 15, sealing block, 16, through hole one, 17, through hole two, 18, fixed sheet, 19, fixed rod. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0025] It should be noted that, in this paper, relationship 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 such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0026] As shown in Figures 1-2 A kind of stainless steel soil sampling device for collecting farmland soil, it includes support pipe 1, and the crushing assembly for realizing soil layer crushing operation is arranged in lower portion in support pipe 1, still include adsorption assembly arranged on support pipe 1, adsorption assembly is used to ensure that soil sample can be quickly and stably absorbed under various soil environments, support pipe 1 lower end is equipped with cover plate 2.​​

[0027] Wherein, the upper end of the cover plate 2 is fixedly connected with a sealing block 15 matched with the opening of the lower end of the support pipe 1, and the lower end of the cover plate 2 is connected with the lower end of the support pipe 1 through a fixing bolt.

[0028] As shown in Figures 2-3 , the crushing assembly includes a positioning rod 3, a sliding block 4, a soil sampling probe 5 and a hydraulic module 6, the positioning rod 3 is fixedly connected to the middle part of the support pipe 1, a sliding groove is formed in the positioning rod 3, the sliding block 4 is slidingly arranged in the sliding groove, the hydraulic module 6 is fixedly connected between the sliding block 4 and the inside of the support pipe 1, the soil sampling probe 5 is fixedly connected to the lower end of the sliding block 4, the upper end of the hydraulic module 6 is communicated with a hydraulic pump 7 through a conduit, the hydraulic pump 7 is fixedly connected to the upper end of the support pipe 1, and the power end of the hydraulic module 6 is fixedly connected with the sliding block 4.

[0029] Wherein, the soil sampling probe 5 is tubular and made of stainless steel, a through hole 16 is formed in one side of the soil sampling probe 5, and a specific slope is formed at the lower end edge of the soil sampling probe 5, the soil sampling probe 5 is made of high-strength and corrosion-resistant material, the front end of the soil sampling probe 5 is designed as a sharp cone, which is convenient for inserting into the soil, and the inside of the soil sampling probe 5 is hollow and connected with a vacuum suction cavity. A pressure sensitive sensor is arranged between the power end of the hydraulic module 6 and the sliding block 4, a microprocessor is arranged on the outside of the support pipe 1, the pressure sensitive sensor is electrically connected with the microprocessor through wires, the hydraulic pump 7 is electrically connected with the microprocessor through wires, and the turbine air pump 14 is electrically connected with the microprocessor through wires. A fixing plate 18 is arranged at the lower end of the support pipe 1, a fixing rod 19 is threadedly connected to the fixing plate 18, and a hydraulic transmission mode is adopted to realize accurate control of the insertion depth of the soil sampling probe 5. At the same time, the pressure sensitive sensor feeds back real-time pressure data to an operation panel, thereby ensuring the accuracy of the soil sampling depth.

[0030] As shown in Figures 2-3 -4-5, the adsorption assembly includes a filter plate 8 and a ring shell 9, a closed adsorption cavity is formed between the outer wall surface of the positioning rod 3 and the inner wall surface of the support pipe 1, the filter plate 8 is fixedly connected to the inside of the adsorption cavity, the filter plate 8 divides the adsorption cavity into a plurality of chambers 10, an air outlet 11 is formed in the upper end of the support pipe 1, the ring shell 9 is fixedly connected to the inner side of the air outlet 11, a closed booster cavity 12 is formed in the inside of the ring shell 9, an exhaust port 13 is formed in the upper end of the booster cavity 12, the booster cavity 12 is communicated with a turbine air pump 14 through a conduit on one side, and the turbine air pump 14 is fixedly connected to the outside of the support pipe 1.

[0031] The lower end of the adsorption cavity is provided with a through hole two 17 communicated with the through hole one 16, the microprocessor controls the turbine air pump 14 to suck the gas outside into the pressure chamber 12, the gas is discharged through the exhaust port 13 after being pressurized in the pressure chamber 12, and the gas in the adsorption cavity is pressed out of the adsorption cavity, the through hole two 17 at the end of the support pipe 1 is connected with the adsorption cavity, the support pipe 1 is made of transparent and vacuum-resistant material, so that the state of the soil sample can be observed. The filter plate 8 arranged in the adsorption cavity prevents the soil sample from being damaged by impact during collection and prevents the soil sample from scattering, and the lowermost cavity 10 is a sample collection cavity, and the upper cavities 10 are filled with adsorbents.

[0032] In specific use, first, the lower end of the device is placed at a sampling position, then the device is fixed with the sampling position through the fixing rod 19 and the fixing sheet 18, the device is started through the microprocessor, the microprocessor controls the hydraulic pump 7 to charge the hydraulic module 6, the power end of the hydraulic module 6 drives the sliding block 4 to move downward in the sliding groove, so as to drive the soil sampling probe 5 to move downward, the soil sampling probe 5 continues to break the soil and take the soil, the microprocessor drives the hydraulic module 6 to move upward, the microprocessor drives the turbine air pump 14 to suck the gas outside into the pressure chamber 12, the gas is discharged through the exhaust port 13 after being pressurized in the pressure chamber 12, the gas in the adsorption cavity is pressed out of the adsorption cavity, a vacuum is formed in the adsorption cavity, the sample is sucked into the lowermost cavity 10 through the through hole one 16 and the through hole two 17 at the lower end of the positioning rod 3 after being lifted, and the dust generated in the sampling process is sucked into the upper cavities 10.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents. In general, if those skilled in the art are inspired by it, without departing from the creative purpose of the utility model, similar structure modes and embodiments are not creatively designed without departing from the utility model, which should belong to the protection scope of the utility model.

Claims

1. A stainless steel soil sampling device for collecting soil from an agricultural field, characterized by: The utility model provides a soil sample collecting device, including support pipe (1) and the broken assembly of setting in the lower part in support pipe (1), the broken assembly is used for realizing the broken operation of soil layer, still including the adsorption assembly of setting on support pipe (1), the adsorption assembly is used for ensuring that soil sample can be quickly and stably absorbed under various soil environment, the lower end of support pipe (1) is equipped with cover plate (2), The broken assembly includes a positioning rod (3), a sliding block (4), a soil sampling probe (5) and a hydraulic module (6), the positioning rod (3) is fixedly connected to the middle part of the support pipe (1), a sliding groove is formed in the positioning rod (3), the sliding block (4) is slidingly arranged in the sliding groove, the hydraulic module (6) is fixedly connected between the sliding block (4) and the inside of the support pipe (1), the soil sampling probe (5) is fixedly connected to the lower end of the sliding block (4), the upper end of the hydraulic module (6) is communicated with a hydraulic pump (7) through a conduit, the hydraulic pump (7) is fixedly connected to the upper end of the support pipe (1), and the power end of the hydraulic module (6) is fixedly connected with the sliding block (4). The adsorption assembly includes a filter plate (8) and a ring shell (9), a closed adsorption cavity is formed between the outer wall surface of the positioning rod (3) and the inner wall surface of the support pipe (1), the filter plate (8) is fixedly connected to the inside of the adsorption cavity at intervals, the filter plate (8) divides the adsorption cavity into a plurality of chambers (10), an air outlet (11) is formed in the upper end of the support pipe (1), the ring shell (9) is fixedly connected to the inner side of the air outlet (11), a closed booster cavity (12) is formed in the inside of the ring shell (9), an exhaust port (13) is formed in the upper end of the booster cavity (12), the booster cavity (12) is communicated with a turbo air pump (14) through a conduit on one side, and the turbo air pump (14) is fixedly connected to the outside of the support pipe (1).

2. The stainless steel soil sampling device for collecting soil from farmland according to claim 1, characterized in that: The upper end of the cover plate (2) is fixedly connected with a sealing block (15) matched with the opening of the lower end of the support pipe (1), and the lower end of the cover plate (2) is connected with the support pipe (1) through a fixing bolt.

3. The soil sampling device according to claim 1, wherein: The soil sampling probe (5) is in a tubular shape, a through hole (16) is formed in one side of the soil sampling probe (5), and a specific slope is formed in the lower end edge of the soil sampling probe (5).

4. The soil sampling device of claim 1, wherein: A pressure sensor is arranged between the power end of the hydraulic module (6) and the sliding block (4), a microprocessor is arranged on the outside of the support pipe (1), the pressure sensor is electrically connected with the microprocessor through wires, the hydraulic pump (7) is electrically connected with the microprocessor through wires, and the turbo air pump (14) is electrically connected with the microprocessor through wires.

5. The soil sampling device of claim 1, wherein: A fixing plate (18) is arranged at the lower end of the support pipe (1), and a fixing rod (19) is threadedly connected to the fixing plate (18).

6. The soil sampling device of claim 3, wherein: A through hole (17) is formed in the lower end of the adsorption cavity and communicated with the through hole (16).

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