Soil vertical batch sampling equipment and method for environmental geological survey

Abstract

The invention discloses soil vertical batch sampling equipment and method for environmental geological survey. The equipment comprises a main body supporting mechanism and a distributed sampling mechanism arranged on the main body supporting mechanism, the main body supporting mechanism comprises a main body supporting plate which is horizontally arranged; the distributed sampling mechanism comprises a sampling mechanism supporting shell arranged at the sampling lifting through groove, a sampling outer drill rod extending vertically is fixed to the lower end of the sampling mechanism supporting shell, and a sampling inner drill rod is rotationally connected into the sampling outer drill rod; the side wall of the sampling outer drill rod is provided with a plurality of outer drill rod side surface sampling holes which are communicated inside and outside, and the side wall of the sampling inner drill rod is provided with a plurality of inner drill rod side surface sampling holes which are communicated inside and outside; the depth of the sampling outer drill rod and the sampling inner drill rod inserted into the soil can be accurately controlled by utilizing the sampling static pressure driving mechanism, which is crucial for researching the characteristic distribution of the soil at different depths, and the distribution condition of the soil components in the vertical direction can be determined by accurately controlling the sampling depth.

Description

Technical Field

[0001] The invention relates to the technical field of geological exploration, and in particular to a soil vertical batch sampling device and method for environmental geological investigation. Background Art

[0002] Calcium is the main rock-forming element and an essential element for life. It is also a key geochemical element that connects the lithosphere, hydrosphere, biosphere and atmosphere. Although calcium isotopes are theoretically a promising research direction, they have not been fully developed due to the limitations of detection methods and instrument precision. With the advancement of analytical testing technology, calcium isotopes have gradually become a research hotspot in isotope geochemistry since the 1990s. With the advancement of experimental technology and instrumental analysis accuracy, the research field of calcium isotopes has continued to expand and has made significant progress; at present, the calcium isotope composition in different geological bodies has been basically identified, but the understanding of its fractionation mechanism is still not clear enough; calcium isotopes have a wide range of applications and have important application potential in many fields such as tracing calcium sources, inverting ancient seawater evolution, reconstructing ancient climate change, biomedicine and archaeology.

[0003] Calcium isotope geochemistry is a research field full of potential. Although related research has increased in recent years, it is still relatively limited, and there are a lot of new applications to be explored. In the future, we can further optimize the calcium isotope analysis and testing methods, improve the fractionation mechanism, and carry out interdisciplinary cooperation to achieve more accurate and extensive calcium isotope research technology progress and application of results.

[0004] The application of calcium isotope tracing technology in environmental geological surveys requires soil sampling technology. Soil sampling is an important basic work in the fields of environmental geological surveys, agricultural production, soil science research, etc. Its main purposes include pollution investigation, ecological environment assessment, soil fertility determination and land quality evaluation. Pollution investigation is to determine the content and distribution of various pollutants in the soil, such as heavy metals (lead, cadmium, mercury, etc.), organic matter (pesticides, petroleum hydrocarbons, etc.), radioactive substances, etc. By sampling and analyzing soils at different locations and depths, we can understand the scope, degree and source of pollution, and provide a basis for formulating pollution control plans. Ecological environment assessment is to evaluate the health of soil ecosystems, including soil microbial communities and soil animal diversity. Microorganisms and animals in the soil play an important role in maintaining soil fertility and promoting material circulation. Through sampling and analysis, we can understand the structure and function of these biological communities and evaluate the stability and sustainability of the ecological environment.

[0005] However, the current sampling equipment has a relatively low collection efficiency, and samples are prone to cross-contamination, which affects the final analysis results. The existing sampling equipment needs further improvement and optimization. Summary of the invention

[0006] The object of the present invention is to provide a soil vertical batch sampling device and method for environmental geological survey, which can efficiently complete the soil sample collection work of geological survey and properly preserve the soil samples.

[0007] To achieve the above object, the present invention provides the following technical solutions:

[0008] A soil vertical batch sampling device for environmental geological survey, comprising a main support mechanism and a distributed sampling mechanism arranged on the main support mechanism;

[0009] The main body support mechanism comprises a horizontally arranged main body support plate, and a plurality of main body driving wheels are installed at the bottom of the main body support plate;

[0010] The main support plate is provided with a vertically penetrating sampling lifting slot;

[0011] The distributed sampling mechanism comprises a sampling mechanism support shell arranged at the sampling lifting slot, a vertically extending sampling outer drill rod is fixed to the lower end of the sampling mechanism support shell, and a sampling inner drill rod is rotatably connected inside the sampling outer drill rod;

[0012] The side wall of the sampling outer drill rod is provided with a plurality of outer drill rod side sampling holes which are communicated with each other inside and outside, and the side wall of the sampling inner drill rod is provided with a plurality of inner drill rod side sampling holes which are communicated with each other inside and outside;

[0013] The sampling mechanism support shell is connected to the top of the main body support plate through the sampling static pressure drive mechanism;

[0014] A sample transfer storage mechanism is provided on the top of the main support plate, and the sample transfer storage mechanism includes a sample transfer mechanism and a sample storage mechanism;

[0015] The sample transfer mechanism includes a transfer magnetic fixing cylinder connected to the top of the main support plate through a multi-directional drive mechanism;

[0016] The sample storage mechanism comprises a sample storage box fixed on the top of the main support plate and having a side opening, wherein two circulation storage driving wheels with horizontally arranged axes are rotatably connected in the sample storage box, a sample storage support synchronous belt is transmission-connected between the two circulation storage driving wheels, and a plurality of sample fixing and placing cylinders are evenly distributed and fixed on the outer side of the sample storage support synchronous belt;

[0017] A sample storage tube is placed in the sample fixing and placing tube, and a spirally extending sample restraining plate is fixed on the inner side wall of the sample storage tube.

[0018] Preferably, a stable support mechanism is provided on the main support plate, and the stable support mechanism includes multiple stable support plates fixed on the side of the main support plate, each stable support plate is fixed with a stable support fixing cylinder with an opening facing downward, a stable support lifting cylinder is slidably connected inside the stable support fixing cylinder, a stable support plate is fixed at the lower end of the stable support lifting cylinder, and a support lifting drive rod for driving the stable support lifting cylinder to move is provided inside the stable support fixing cylinder.

[0019] Note: During the static pressure sampling process, a stable support mechanism is used to support the entire equipment, which is beneficial to maintaining the stability of the equipment sampling process.

[0020] Preferably, the main driving wheel is connected to the bottom of the main supporting plate through a wheel lifting mechanism, the wheel lifting mechanism includes a plurality of wheel lifting support cylinders fixed at the bottom of the main supporting plate and opening downward, a wheel lifting moving cylinder is slidably connected inside the wheel lifting support cylinder, the suspensions of the plurality of main driving wheels are fixedly connected to the lower ends of the wheel lifting moving cylinders one by one, and a wheel lifting driving rod for driving the wheel lifting moving cylinder to lift and lower is provided inside the wheel lifting support cylinder.

[0021] Note: During the static pressure sampling process, the wheel lifting mechanism is used to lift each main driving wheel off the ground, and the entire equipment only needs to be supported by a stable supporting mechanism.

[0022] Preferably, the sampling static pressure drive mechanism comprises two static pressure drive support tube shells fixed on the top of the main body support plate and extending vertically, a static pressure drive column is slidably connected inside the static pressure drive support tube shell, and a side surface of the static pressure drive support tube shell has a drive matching connecting groove that is connected inside and outside and extends vertically, and the static pressure drive column is fixedly connected to the sampling mechanism support shell through a static pressure drive connecting plate;

[0023] The hydrostatic drive column is provided with a vertically penetrating drive matching hole, a vertically extending hydrostatic drive screw is connected to the threaded inner portion of the drive matching hole, a hydrostatic drive accommodating shell is fixed to the top of the hydrostatic drive support tube shell, the upper end of the hydrostatic drive screw extends to the inside of the hydrostatic drive accommodating shell, and a hydrostatic drive motor for driving the hydrostatic drive screw to rotate is fixed in the hydrostatic drive accommodating shell;

[0024] The output shaft of the hydrostatic drive motor is connected to the hydrostatic drive screw through a planetary reducer.

[0025] Note: The sampling static pressure drive mechanism can accurately control the depth of the sampling outer drill rod and the sampling inner drill rod inserted into the soil, and this driving method can minimize the disturbance of the soil. The collected soil samples should maintain the original structure and layer to avoid excessive squeezing or mixing.

[0026] Preferably, a rotational offset mechanism is provided in the sampling mechanism support shell, the upper end of the sampling inner drill rod extends into the sampling mechanism support shell, the rotational offset mechanism comprises a rotational offset support ring fixed in the sampling mechanism support shell, one end of the sampling inner drill rod inside the sampling mechanism support shell is fixed with an inner drill rod support ring, and the inner drill rod support ring is rotatably connected in the rotational offset support ring;

[0027] An offset drive worm gear is fixed to one end of the sampling inner drill rod inside the sampling mechanism support shell, an offset drive accommodating shell is fixed to the outside of the sampling mechanism support shell, an offset drive motor is fixed inside the offset drive accommodating shell, the output shaft of the offset drive motor extends to the interior of the sampling mechanism support shell and is fixed with an offset drive worm, and the offset drive worm is meshingly connected with the offset drive worm gear.

[0028] Note: When the sampling outer drill rod and the sampling inner drill rod are inserted into the soil for sampling, the sampling holes on the side of the outer drill rod and the sampling holes on the side of the inner drill rod are offset and isolated from each other to prevent the soil outside the sampling outer drill rod from entering the sampling inner drill rod through the sampling holes on the side of the outer drill rod and the sampling holes on the side of the inner drill rod, thereby contaminating the collected samples;

[0029] When the sampling is completed and the sampling outer drill rod and the sampling inner drill rod are pulled out, the sampling outer drill rod and the sampling inner drill rod are driven by the rotation offset mechanism to rotate relative to each other, so that the sampling holes on the side of the outer drill rod and the sampling holes on the side of the inner drill rod are connected one by one, so that the soil samples contained in the sampling inner drill rod can be transferred and taken out through the sampling holes on the side of the outer drill rod and the sampling holes on the side of the inner drill rod.

[0030] Preferably, a drill rod cleaning mechanism is provided on the sampling mechanism support shell, and the drill rod cleaning mechanism includes a cleaning rod restraint tube fixed to the top of the sampling mechanism support shell and vertically passing through, a cleaning support rod extending vertically is slidably connected in the cleaning rod restraint tube, and the lower end of the cleaning support rod extends into the sampling inner drill rod and is fixed with a cleaning brush;

[0031] A vertically extending cleaning rod driving support tube shell is fixed on the top of the sampling mechanism support shell, a cleaning rod driving support tube shell is slidably connected with a cleaning rod driving column, a cleaning rod driving matching groove which is connected inside and outside and extends vertically is provided on the side wall of the cleaning rod driving support tube shell, and the cleaning rod driving column is fixedly connected to the cleaning support rod through a cleaning driving connecting plate;

[0032] The cleaning rod driving column is provided with a vertically penetrating cleaning drive matching hole, and the cleaning drive matching hole is threadedly connected with a vertically extending cleaning drive screw. A cleaning drive accommodating shell is fixed on the top of the cleaning rod driving support tube shell, and the upper end of the cleaning drive screw extends to the inside of the cleaning drive accommodating shell. A cleaning drive motor is fixed in the cleaning drive accommodating shell, and the output shaft of the cleaning drive motor is transmission-connected to the cleaning drive screw through a coupling.

[0033] Note: After a single sampling is completed, use the drill rod cleaning mechanism to thoroughly clean the inside of the sampling drill rod to prevent the residual soil in the sampling drill rod from mixing with the newly sampled soil, causing deviations in the sample analysis.

[0034] Preferably, the cleaning support rod is a hollow structure, and has multiple air flow injection holes communicating with the inside and outside at the cleaning brush. An air compressor is fixed on the top of the sampling mechanism support shell, and the output end of the air compressor is connected to the inside of the cleaning support rod through a pipe.

[0035] Note: The use of high-speed airflow makes the cleaning of the drill rod inside the sampling more thorough.

[0036] Preferably, the multi-directional driving mechanism comprises a sample transfer support slide rail fixed on the top of the main support plate, and a sample transfer support slider is slidably connected to the sample transfer support slide rail;

[0037] A steering support ring with a vertically extending axis is fixed on the top of the sample transfer support slider, and a steering rotating ring is rotatably connected inside the steering support ring;

[0038] A horizontally extending support cylinder with one end open is fixed on the top of the steering rotating ring, a horizontally extending sliding cylinder is slidably connected inside the horizontally extending support cylinder, and the horizontally extending sliding cylinder is driven to move by a horizontal driving telescopic rod arranged inside the horizontally extending support cylinder;

[0039] The transfer magnetic fixing cylinder is fixed on the outer end of the horizontally extending sliding cylinder.

[0040] Description: The multi-directional driving mechanism can efficiently complete the sample transfer and storage work, which is convenient for smoothly transferring the soil samples in the sampling drill rod to each sample storage tube and storing them.

[0041] Preferably, the transfer magnetic fixed cylinder is connected to the outer end of the horizontally extending sliding cylinder through a sampling rotating mechanism, the sampling rotating mechanism comprises a sampling rotating fixed outer ring fixed to the outer end of the horizontally extending sliding cylinder and arranged coaxially therewith, a sampling rotating driving inner ring is rotatably connected inside the sampling rotating fixed outer ring, the transfer magnetic fixed cylinder is fixedly connected to the outer end of the sampling rotating driving inner ring, and a servo motor for driving the sampling rotating driving inner ring to rotate is arranged inside the sampling rotating fixed outer ring;

[0042] An adsorption fixing electromagnet is fixed at the inner end of the transfer magnetic attraction fixing cylinder.

[0043] Description: During the sample transfer process, the sampling rotating mechanism is used to drive the transfer magnetic fixing cylinder to rotate together with the sample storage cylinder, so that the soil sample can be more smoothly accommodated in the sample storage cylinder, and under the constraint of the sample constraint plate, the soil sample is firmly fixed in the sample storage cylinder.

[0044] Preferably, a soil vertical batch sampling method for environmental geological survey, based on the above-mentioned soil vertical batch sampling device for environmental geological survey, comprises the following steps:

[0045] S1. Move the equipment to the sampling location:

[0046] Under the driving migration of multiple main driving wheels, the equipment is moved to the sampling location so that the sampling outer drill rod is aligned with the sampling point in the vertical direction;

[0047] S2. Perform static pressure sampling

[0048] Driven by the sampling static pressure driving mechanism, the whole composed of the sampling outer drill rod and the sampling inner drill rod is inserted into the soil together, and the soil sample is accommodated in the sampling inner drill rod;

[0049] S3. Pull out the sampling inner drill rod with soil sample collected

[0050] Under the driving of the sampling static pressure driving mechanism, the sampling mechanism support shell together with the whole consisting of the sampling outer drill rod and the sampling inner drill rod is moved upward, and the whole consisting of the sampling outer drill rod and the sampling inner drill rod is extracted from the soil;

[0051] S4. Transfer and store the soil samples inside the sampling drill pipe in batches

[0052] During the extraction process of the whole composed of the sampling outer drill rod and the sampling inner drill rod, when the first sampling hole on the side of the outer drill rod from top to bottom is aligned with the transfer magnetic suction fixing cylinder in horizontal height, the whole composed of the sampling outer drill rod and the sampling inner drill rod stops being extracted;

[0053] And under the drive of the rotating offset mechanism, the sampling inner drill rod rotates in the sampling outer drill rod, so that the sampling holes on the side of each outer drill rod and the sampling holes on the side of each inner drill rod are connected one by one;

[0054] Then, driven by the multi-directional driving mechanism, the transfer magnetic fixing cylinder takes out the sample storage cylinder from one of the sample fixing and placing cylinders, and the transfer magnetic fixing cylinder then carries the sample storage cylinder through the sampling hole on the side of the outer drill rod and inserts it into the sampling hole on the side of the inner drill rod, so as to transfer the soil sample contained in the sampling inner drill rod to the sample storage cylinder, and then, driven by the multi-directional driving mechanism, the sample storage cylinder storing the soil sample is put back into the corresponding sample fixing and placing cylinder;

[0055] S5. Continue to transfer and store soil samples

[0056] Then, driven by the sampling static pressure driving mechanism, the whole composed of the sampling outer drill rod and the sampling inner drill rod continues to be drawn out until the sampling hole on the side of the next outer drill rod is aligned with the transfer magnetic suction fixing cylinder in horizontal height, and then the whole composed of the sampling outer drill rod and the sampling inner drill rod stops being drawn out again;

[0057] Repeat the transfer process in step S5 to transfer the soil sample contained in the sampling inner drill rod to the sample storage cylinder, and put the sample storage cylinder storing the soil sample back into the corresponding sample fixed placement cylinder for storage;

[0058] S6, repeating the above step S5 until all soil samples in the sampling holes on the side of the inner drill rod at different depths are transferred;

[0059] S7. Clean the inside of the sampling drill rod

[0060] When the soil sample collected once inside the sampling drill rod is transferred, the remaining soil in the sampling drill rod is cleaned to facilitate the next sampling work.

[0061] Compared with the prior art, the beneficial effects of the present invention are embodied in the following aspects:

[0062] 1. The present invention has a reasonable structural design. The sampling static pressure driving mechanism can accurately control the depth of the sampling outer drill rod and the sampling inner drill rod inserted into the soil, which is very important for studying the distribution of soil characteristics at different depths. Accurately controlling the sampling depth can determine the distribution of soil components in the vertical direction;

[0063] 2. The present invention is easy to operate. The sampling outer drill rod and the sampling inner drill rod are inserted into the soil for sampling by static pressure, and the side walls of the sampling outer drill rod and the sampling inner drill rod are polished to minimize the disturbance of the soil. The collected soil samples should maintain the original structure and layer to avoid excessive squeezing or mixing, so that the physical, chemical and biological characteristics of soil at different depths can be accurately reflected;

[0064] 3. The sampling device of the present invention can adapt to various terrain environments in the field for sampling work, and the whole device can be stably supported at the sampling position by a stable support mechanism to ensure the accuracy of sampling;

[0065] 4. The sampling device of the present invention has the ability to collect multiple soil samples at the same time, thereby improving the sampling efficiency. Multiple sampling holes on the side of the outer drill rod and the side of the inner drill rod are respectively opened along the side walls of the outer drill rod and the inner drill rod, so that soil samples at different depths can be completely taken out from the inner drill rod through these side sampling holes;

[0066] 5. The sampling device of the present invention is designed with a reasonable sample transfer and storage mechanism to ensure that the collected samples can be stored safely and orderly, which is convenient for subsequent analysis and processing. The multi-directional drive mechanism can flexibly and quickly transfer and store soil samples properly into various sample storage cylinders;

[0067] 6. After a single sampling, the sampling device of the present invention can use the drill rod cleaning mechanism to thoroughly clean the inside of the sampling drill rod to avoid the residual soil in the sampling drill rod from mixing with the newly sampled soil, causing deviations in sample analysis. BRIEF DESCRIPTION OF THE DRAWINGS

[0068] Figure 1 It is a front view of the present invention;

[0069] Figure 2 yes Figure 1 Left view of

[0070] Figure 3 yes Figure 1 A top view of

[0071] Figure 4 It is a structural schematic diagram of the wheel assembly lifting mechanism of the present invention;

[0072] Figure 5 It is a schematic structural diagram of the sampling outer drill rod of the present invention;

[0073] Figure 6 It is a schematic diagram of the structure of the sampling inner drill rod of the present invention;

[0074] Figure 7 It is a structural schematic diagram of the rotational offset mechanism of the present invention;

[0075] Figure 8 yes Figure 7 A top view of

[0076] Fig. 9 It is a structural schematic diagram of the cleaning support rod of the present invention;

[0077] Fig.10 It is a left side view of the multi-directional driving mechanism of the present invention;

[0078] Fig.11 It is a left side view of the sampling rotating mechanism of the present invention;

[0079] Fig.12 It is a schematic structural diagram of the sample storage cartridge of the present invention.

[0080] In the figure, 10-main body support mechanism, 11-main body support plate, 110-sampling lifting groove, 12-main body driving wheel, 13-stable support mechanism, 130-stable support plate, 131-stable support fixing cylinder, 132-stable support lifting cylinder, 133-stable support plate, 134-support lifting driving rod, 14-wheel group lifting mechanism, 141-wheel group lifting support cylinder, 142-wheel group lifting moving cylinder, 143-wheel group lifting driving rod, 20-distributed sampling mechanism, 21-sampling mechanism support shell, 22-sampling outer drill rod, 220-side sampling hole of outer drill rod, 23-sampling inner Drill rod, 230-sampling hole on the side of the inner drill rod, 24-sampling static pressure drive mechanism, 240-static pressure drive connecting plate, 241-static pressure drive support tube shell, 2410-drive matching connecting groove, 242-static pressure drive column, 2420-drive matching hole, 243-static pressure drive screw, 244-static pressure drive accommodating shell, 245-static pressure drive motor, 246-planetary reducer, 25-rotational offset mechanism, 251-rotational offset support ring, 252-inner drill rod support ring, 253-offset drive worm gear, 254-offset drive accommodating shell, 255-offset drive motor, 256-offset drive worm, 26-drill rod cleaning mechanism, 260-cleaning rod restraining tube, 261-cleaning support rod, 2610-cleaning brush, 2611-air flow injection hole, 262-cleaning rod drive support tube shell, 2620-cleaning rod drive matching groove, 263-cleaning rod drive column, 2630-cleaning drive matching hole, 2631-cleaning drive connecting plate, 264-cleaning drive screw, 265-cleaning drive accommodating shell, 266-cleaning drive motor, 267-air compressor, 30-sample transfer storage mechanism, 31-sample transfer mechanism, 310-multi-directional drive mechanism, 311-sample Transfer support slide rail, 312-sample transfer support slider, 313-steering support ring, 314-steering rotating ring, 315-horizontally extending support cylinder, 316-horizontally extending sliding cylinder, 317-horizontally driving telescopic rod, 319-transfer magnetic suction fixing cylinder, 3190-adsorption fixing electromagnet, 32-sample storage mechanism, 320-sample storage cylinder, 321-sample storage box, 322-circulation storage driving wheel, 323-sample storage support synchronous belt, 324-sample fixed placement cylinder, 33-sampling rotating mechanism, 331-sampling rotating fixed outer ring, 332-sampling rotating driving inner ring. DETAILED DESCRIPTION

[0081] Combine the following Figure 1-Figure 12 The present invention is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front, and back directions mentioned below are consistent with the up, down, left, right, front, and back directions of the projection relationship of the respective main views or structural schematic diagrams themselves.

[0082] Embodiment 1:

[0083] A soil vertical batch sampling device for environmental geological survey, such as Figure 1 As shown, it includes a main body support mechanism 10 and a distributed sampling mechanism 20 arranged on the main body support mechanism 10;

[0084] The main body support mechanism 10 includes a horizontally arranged main body support plate 11, and a plurality of main body driving wheels 12 are installed at the bottom of the main body support plate 11;

[0085] The main body support plate 11 is provided with a vertically penetrating sampling lifting slot 110;

[0086] Each main driving wheel 12 is driven to rotate by an independent wheel hub motor;

[0087] The distributed sampling mechanism 20 includes a sampling mechanism support shell 21 disposed at the sampling lifting slot 110, a vertically extending sampling outer drill rod 22 is fixed to the lower end of the sampling mechanism support shell 21, and a sampling inner drill rod 23 is rotatably connected to the sampling outer drill rod 22;

[0088] like Figure 5 As shown, the side wall of the sampling outer drill rod 22 has a plurality of outer drill rod side sampling holes 220 that communicate with each other. Figure 6 As shown, the side wall of the sampling inner drill rod 23 has a plurality of inner drill rod side sampling holes 230 communicating with each other;

[0089] like Figure 1 As shown, the sampling mechanism support shell 21 is connected to the top of the main support plate 11 through the sampling static pressure drive mechanism 24;

[0090] like Figure 2 As shown, a sample transfer storage mechanism 30 is provided on the top of the main support plate 11. Figure 3 As shown, the sample transfer storage mechanism 30 includes a sample transfer mechanism 31 and a sample storage mechanism 32;

[0091] like Figure 3 As shown, the sample transfer mechanism 31 includes a transfer magnetic fixing cylinder 319 connected to the top of the main support plate 11 through a multi-directional driving mechanism 310;

[0092] like Figure 2 As shown, the sample storage mechanism 32 includes a sample storage box 321 fixed on the top of the main support plate 11 and having a side opening, and a circulation storage driving wheel 322 with two axes arranged horizontally is rotatably connected inside the sample storage box 321, and a sample storage support synchronous belt 323 is transmission-connected between the two circulation storage driving wheels 322, and a plurality of sample fixing and placing cylinders 324 are evenly distributed and fixed on the outer side of the sample storage support synchronous belt 323;

[0093] The sample fixing and placing cylinder 324 is a cylindrical shell structure placed horizontally and opened at one end;

[0094] like Fig.12 As shown, a sample storage cylinder 320 is placed in the sample fixing and placing cylinder 324 , and a spirally extending sample restraining plate 3201 is fixed to the inner side wall of the sample storage cylinder 320 .

[0095] like Figure 1 As shown, the sampling static pressure drive mechanism 24 includes two static pressure drive support tube shells 241 fixed on the top of the main support plate 11 and extending vertically, a static pressure drive column 242 is slidably connected in the static pressure drive support tube shell 241, and a side surface of the static pressure drive support tube shell 241 has a drive matching communication groove 2410 that is connected inside and outside and extends vertically, and the static pressure drive column 242 is fixedly connected to the sampling mechanism support shell 21 through a static pressure drive connecting plate 240;

[0096] The static pressure driving column 242 is provided with a vertically penetrating driving matching hole 2420, and a vertically extending static pressure driving screw 243 is connected to the driving matching hole 2420 through a threaded transmission, and a static pressure driving accommodating shell 244 is fixed on the top of the static pressure driving support tube shell 241, and the upper end of the static pressure driving screw 243 extends to the inside of the static pressure driving accommodating shell 244, and a static pressure driving motor 245 for driving the static pressure driving screw 243 to rotate is fixed in the static pressure driving accommodating shell 244, and the static pressure driving motor 245 is a servo motor;

[0097] The output shaft of the hydrostatic drive motor 245 is transmission-connected to the hydrostatic drive screw 243 via a planetary reducer 246 .

[0098] like Figure 1 As shown, a rotational offset mechanism 25 is provided in the sampling mechanism support shell 21. Figure 7 As shown, the upper end of the sampling inner drill rod 23 extends to the inside of the sampling mechanism support shell 21, and the rotation offset mechanism 25 includes a rotation offset support ring 251 fixed in the sampling mechanism support shell 21. An inner drill rod support ring 252 is fixed to one end of the sampling inner drill rod 23 inside the sampling mechanism support shell 21, and the inner drill rod support ring 252 is rotatably connected to the rotation offset support ring 251;

[0099] An offset drive worm gear 253 is fixed to one end of the sampling inner drill rod 23 located inside the sampling mechanism support shell 21. Figure 8 As shown, an offset drive accommodating shell 254 is fixed to the outside of the sampling mechanism support shell 21, and an offset drive motor 255 is fixed inside the offset drive accommodating shell 254. The offset drive motor 255 is a servo motor. The output shaft of the offset drive motor 255 extends to the inside of the sampling mechanism support shell 21 and is fixed with an offset drive worm 256. The offset drive worm 256 is meshingly connected with the offset drive worm gear 253.

[0100] like Fig.10As shown, the multi-directional driving mechanism 310 includes a sample transfer support rail 311 fixed on the top of the main support plate 11, and a sample transfer support slider 312 is slidably connected to the sample transfer support rail 311;

[0101] The sample transfer support slider 312 is driven by a servo motor to move along the sample transfer support rail 311;

[0102] A steering support ring 313 with a vertically extending axis is fixed on the top of the sample transfer support slider 312, and a steering rotating ring 314 is rotatably connected inside the steering support ring 313;

[0103] The steering rotating ring 314 is driven by a servo motor to rotate around the vertical axis of the steering supporting ring 313;

[0104] A horizontally extending support cylinder 315 which is horizontally placed and has one end open is fixed on the top of the steering rotating ring 314, a horizontally extending sliding cylinder 316 is slidably connected in the horizontally extending support cylinder 315, and the horizontally extending sliding cylinder 316 is driven to move by a horizontal driving telescopic rod 317 arranged in the horizontally extending support cylinder 315;

[0105] The horizontal drive telescopic rod 317 is an electrically controlled telescopic rod driven by a servo motor, the outer rod end of the horizontal drive telescopic rod 317 is fixedly connected to the horizontal extension support cylinder 315, and the inner rod end of the horizontal drive telescopic rod 317 is fixedly connected to the horizontal extension sliding cylinder 316;

[0106] The transfer magnetic fixed cylinder 319 is fixed to the outer end of the horizontally extending sliding cylinder 316;

[0107] An adsorption and fixing electromagnet 3190 is fixed to the inner end of the transfer magnetic attraction fixing cylinder 319 .

[0108] Embodiment 2:

[0109] On the basis of Example 1, Figure 1 As shown, a stable support mechanism 13 is provided on the main support plate 11, and the stable support mechanism 13 includes a plurality of stable support plates 130 fixed on the side of the main support plate 11, and a stable support fixing cylinder 131 with an opening facing downward is fixed on each stable support plate 130, and a stable support lifting cylinder 132 is slidably connected in the stable support fixing cylinder 131, and a stable support plate 133 is fixed at the lower end of the stable support lifting cylinder 132, and a support lifting driving rod 134 for driving the stable support lifting cylinder 132 to move is provided in the stable support fixing cylinder 131;

[0110] The support lifting drive rod 134 is a hydraulic drive rod, the outer rod end of the support lifting drive rod 134 is fixedly connected to the top of the stable support fixing cylinder 131, and the inner rod end of the support lifting drive rod 134 is fixedly connected to the stable support lifting cylinder 132.

[0111] Embodiment 3:

[0112] On the basis of Example 2, Figure 1 As shown, the main driving wheel 12 is connected to the bottom of the main supporting plate 11 through a wheel group lifting mechanism 14, as shown in FIG. Figure 4 As shown, the wheel group lifting mechanism 14 includes a plurality of wheel group lifting support cylinders 141 fixed at the bottom of the main body support plate 11 and with the opening facing downward, a wheel group lifting moving cylinder 142 is slidably connected in the wheel group lifting support cylinder 141, and the suspensions of the plurality of main body driving wheels 12 are fixedly connected to the lower ends of the wheel group lifting moving cylinders 142 one by one, and a wheel group lifting driving rod 143 for driving the wheel group lifting moving cylinder 142 to move up and down is provided in the wheel group lifting support cylinder 141;

[0113] The wheel set lifting driving rod 143 is a hydraulic driving rod, the outer rod end of the wheel set lifting driving rod 143 is fixedly connected to the top of the wheel set lifting support cylinder 141, and the inner rod end of the wheel set lifting driving rod 143 is fixedly connected to the wheel set lifting moving cylinder 142.

[0114] Embodiment 4:

[0115] On the basis of Example 3, Figure 1 As shown, a drill rod cleaning mechanism 26 is provided on the sampling mechanism support shell 21, and the drill rod cleaning mechanism 26 includes a cleaning rod restraining tube 260 fixed to the top of the sampling mechanism support shell 21 and vertically passing through, a cleaning support rod 261 extending vertically is slidably connected in the cleaning rod restraining tube 260, and the lower end of the cleaning support rod 261 extends into the sampling inner drill rod 23 and is fixed with a cleaning brush 2610;

[0116] A vertically extending cleaning rod driving support tube shell 262 is fixed on the top of the sampling mechanism support shell 21, a cleaning rod driving support tube shell 262 is slidably connected with a cleaning rod driving column 263, a cleaning rod driving matching groove 2620 which is connected inside and outside and extends vertically is provided on the side wall of the cleaning rod driving support tube shell 262, and the cleaning rod driving column 263 is fixedly connected to the cleaning support rod 261 through a cleaning driving connecting plate 2631;

[0117] The cleaning rod driving column 263 is provided with a vertically penetrating cleaning driving matching hole 2630, and the cleaning driving matching hole 2630 is threadedly connected with a vertically extending cleaning driving screw 264. A cleaning driving accommodating shell 265 is fixed on the top of the cleaning rod driving support tube shell 262. The upper end of the cleaning driving screw 264 extends to the interior of the cleaning driving accommodating shell 265. A cleaning driving motor 266 is fixed in the cleaning driving accommodating shell 265. The cleaning driving motor 266 is a servo motor. The output shaft of the cleaning driving motor 266 is transmission-connected to the cleaning driving screw 264 through a coupling.

[0118] like Fig. 9As shown, the cleaning support rod 261 is a hollow structure. The cleaning support rod 261 has a plurality of air flow injection holes 2611 communicating with the inside and outside at the cleaning brush 2610. An air compressor 267 is fixed to the top of the sampling mechanism support shell 21. The output end of the air compressor 267 is connected to the inside of the cleaning support rod 261 through a pipeline.

[0119] Embodiment 5:

[0120] On the basis of Example 4, Fig.10 As shown, the transfer magnetic fixed cylinder 319 is connected to the outer end of the horizontally extending sliding cylinder 316 through the sampling rotating mechanism 33, as shown in FIG. Fig.11 As shown, the sampling rotation mechanism 33 includes a sampling rotation fixed outer ring 331 fixed on the outer end of the horizontally extending sliding cylinder 316 and arranged coaxially therewith, a sampling rotation drive inner ring 332 is rotatably connected inside the sampling rotation fixed outer ring 331, a transfer magnetic fixed cylinder 319 is fixedly connected to the outer end of the sampling rotation drive inner ring 332, and a servo motor for driving the sampling rotation drive inner ring 332 to rotate is provided inside the sampling rotation fixed outer ring 331.

[0121] It should be noted that the main driving wheel 12, static pressure driving motor 245, planetary reducer 246, offset driving motor 255, horizontal driving telescopic rod 317, supporting lifting driving rod 134, wheel group lifting driving rod 143, cleaning driving motor 266, and air compressor 267 used in this application are all based on existing technologies and are not specifically limited here. Technical personnel in this field can choose according to their needs as long as the technical solution of this application can be realized.

[0122] Embodiment 6:

[0123] This embodiment describes a soil vertical batch sampling method for environmental geological survey, based on a soil vertical batch sampling device for environmental geological survey in the above embodiment 1, comprising the following steps:

[0124] S1. Move the equipment to the sampling location:

[0125] Under the driving migration of the multiple main body driving wheels 12, the equipment is moved to the sampling location, so that the sampling outer drill rod 22 is aligned with the sampling point in the vertical direction;

[0126] S2. Perform static pressure sampling

[0127] Under the drive of the sampling static pressure driving mechanism 24, the sampling outer drill rod 22 and the sampling inner drill rod 23 are inserted into the soil together, and the soil sample is accommodated in the sampling inner drill rod 23;

[0128] The output shaft of the hydrostatic drive motor 245 drives the hydrostatic drive screw 243 to rotate through the planetary reducer 246. The rotation of the hydrostatic drive screw 243 drives the hydrostatic drive column 242 to move downward in the vertical direction through the threaded transmission. The hydrostatic drive column 242 drives the sampling mechanism support shell 21 together with the whole composed of the sampling outer drill rod 22 and the sampling inner drill rod 23 to move downward through the hydrostatic drive connecting plate 240, so that the whole composed of the sampling outer drill rod 22 and the sampling inner drill rod 23 is gradually inserted into the soil.

[0129] S3, extract the sampling inner drill rod 23 with the soil sample collected

[0130] Under the drive of the sampling static pressure driving mechanism 24, the sampling mechanism support shell 21 together with the whole consisting of the sampling outer drill rod 22 and the sampling inner drill rod 23 is moved upward, and the whole consisting of the sampling outer drill rod 22 and the sampling inner drill rod 23 is extracted from the soil;

[0131] The output shaft of the hydrostatic drive motor 245 drives the hydrostatic drive screw 243 to rotate in the opposite direction through the planetary reducer 246. The rotation of the hydrostatic drive screw 243 drives the hydrostatic drive column 242 to move up in the vertical direction through the threaded transmission. The hydrostatic drive column 242 drives the sampling mechanism support shell 21 together with the sampling outer drill rod 22 and the sampling inner drill rod 23 to move up together through the hydrostatic drive connecting plate 240, and the sampling outer drill rod 22 and the sampling inner drill rod 23 are extracted from the soil.

[0132] S4, the soil samples inside the sampling inner drill rod 23 are transferred and stored in batches

[0133] During the extraction process of the whole composed of the sampling outer drill rod 22 and the sampling inner drill rod 23, when the first outer drill rod side sampling hole 220 from top to bottom is aligned with the transfer magnetic suction fixing cylinder 319 in horizontal height, the whole composed of the sampling outer drill rod 22 and the sampling inner drill rod 23 stops being extracted;

[0134] And under the drive of the rotational offset mechanism 25, the sampling inner drill rod 23 rotates in the sampling outer drill rod 22, so that each outer drill rod side sampling hole 220 and each inner drill rod side sampling hole 230 are connected one by one;

[0135] Then, driven by the multi-directional driving mechanism 310, the transfer magnetic fixing cylinder 319 takes out the sample storage cylinder 320 from one of the sample fixing and placing cylinders 324, and the transfer magnetic fixing cylinder 319 then carries the sample storage cylinder 320 through the sampling hole 220 on the side of the outer drill rod and inserts it into the sampling hole 230 on the side of the inner drill rod, and transfers the soil sample contained in the sampling inner drill rod 23 to the sample storage cylinder 320, and then, driven by the multi-directional driving mechanism 310, the sample storage cylinder 320 storing the soil sample is put back into the corresponding sample fixing and placing cylinder 324;

[0136] The specific working process of the multi-directional driving mechanism 310 is as follows:

[0137] A steering support ring 313 with a vertically extending axis is fixed on the top of the sample transfer support slider 312, and a steering rotating ring 314 is rotatably connected inside the steering support ring 313;

[0138] The steering rotating ring 314 is driven by a servo motor fixed in the steering support ring 313 to rotate around the vertical axis of the steering support ring 313, and a grating scale sensor of the prior art is arranged between the steering support ring 313 and the steering rotating ring 314 to accurately monitor the relative motion position between the steering support ring 313 and the steering rotating ring 314;

[0139] Each sample fixing tube 324 is numbered F1, F2, F3, ... F n ;

[0140] The sample storage cylinders 320 are placed in the sample fixing cylinders 324 and numbered accordingly, namely C1, C2, C3, ... C n ;

[0141] The sampling holes 220 on the side of the outer drill pipe are numbered from top to bottom, Y1, Y2, Y3, ... Y n ;

[0142] The sampling holes 230 on the side of the inner drill pipe are numbered from top to bottom, Z1, Z2, Z3, ... Z n ;

[0143] Driven by the servo motor, the steering rotating ring 314 drives the horizontal extension support cylinder 315, the horizontal extension sliding cylinder 316, and the transfer magnetic attraction fixing cylinder 319 connected to the outer end of the horizontal extension sliding cylinder 316 to rotate together until the axis of the transfer magnetic attraction fixing cylinder 319 is coaxially aligned with the axis of the sample fixing placement cylinder 324 numbered F1;

[0144] Then the inner rod of the horizontally driven telescopic rod 317 extends to drive the horizontally extended sliding cylinder 316 and the transfer magnetic suction fixing cylinder 319 to move toward the direction close to F1, so that the transfer magnetic suction fixing cylinder 319 is inserted into the sample fixing placement cylinder 324. At this time, the sample storage cylinder 320 numbered C1 extends into the transfer magnetic suction fixing cylinder 319, and the adsorption fixing electromagnet 3190 is energized, and the sample storage cylinder 320 is fixed and constrained in the transfer magnetic suction fixing cylinder 319 by electromagnetic suction;

[0145] A grating ruler sensor of the prior art is arranged between the horizontal extension support cylinder 315 and the horizontal extension sliding cylinder 316, for accurately monitoring the relative movement position between the horizontal extension sliding cylinder 316 and the horizontal extension support cylinder 315;

[0146] Then the inner rod of the horizontally driven telescopic rod 317 is retracted to drive the horizontally extended sliding cylinder 316 and the transfer magnetic fixed cylinder 319 to move in a direction away from F1, so that the transfer magnetic fixed cylinder 319 takes the sample storage cylinder 320 numbered C1 out of the sample fixed placement cylinder 324 numbered F1;

[0147] Then, driven by the servo motor, the steering rotating ring 314 drives the horizontal extension support cylinder 315, the horizontal extension sliding cylinder 316, and the transfer magnetic attraction fixing cylinder 319 connected to the outer end of the horizontal extension sliding cylinder 316 to rotate together until the axis of the transfer magnetic attraction fixing cylinder 319 is coaxially aligned with the axis of the sampling hole 220 on the side of the outer drill rod numbered Y1;

[0148] Since the travel distance between the horizontal extension slide cylinder 316 and the horizontal extension support cylinder 315 is limited, the sample transfer support slider 312 is first driven by the servo motor to move along the sample transfer support slide rail 311, and the sample transfer support slider 312 then drives the steering support ring 313, the steering rotating ring 314, the horizontal extension support cylinder 315, the horizontal extension slide cylinder 316 and the transfer magnetic fixed cylinder 319 to approach the sampling outer drill rod 22;

[0149] A grating ruler sensor of the prior art is arranged between the sample transfer support slider 312 and the sample transfer support rail 311, for accurately monitoring the relative motion position between the sample transfer support slider 312 and the sample transfer support rail 311;

[0150] Then, the inner rod of the horizontally driven telescopic rod 317 is extended to drive the horizontally extended sliding cylinder 316 together with the transfer magnetic fixed cylinder 319 to move toward the direction close to Y1, so that the transfer magnetic fixed cylinder 319 brings the sample storage cylinder 320 numbered C1 through the outer drill rod side sampling hole 220 numbered Y1 and the inner drill rod side sampling hole 230 numbered Z1 in sequence, so that the sample storage cylinder 320 numbered C1 is inserted into the sampling inner drill rod 23, so that the soil sample at the inner drill rod side sampling hole 230 numbered Z1 is accommodated in the sample storage cylinder 320 numbered C1;

[0151] Then, the inner rod of the horizontally driven telescopic rod 317 is retracted to drive the horizontally extending sliding cylinder 316 and the transfer magnetic fixed cylinder 319 to move in the direction away from Y1, so that the transfer magnetic fixed cylinder 319 and the sample storage cylinder 320 numbered C1 containing the soil sample are pulled out from the sampling inner drill rod 23;

[0152] Subsequently, driven by the servo motor, the steering rotating ring 314 drives the horizontal extension support cylinder 315, the horizontal extension sliding cylinder 316, and the transfer magnetic suction fixing cylinder 319 connected to the outer end of the horizontal extension sliding cylinder 316 to rotate together, and cooperates with the movement of the sample transfer support slider 312 along the sample transfer support slide rail 311 to rotate until the axis of the transfer magnetic suction fixing cylinder 319 is coaxially aligned with the axis of the sample fixing placement cylinder 324 numbered F1;

[0153] Then, the inner rod of the horizontally driven telescopic rod 317 is extended to drive the horizontally extended sliding cylinder 316 and the transfer magnetic suction fixing cylinder 319 to move toward the direction close to F1, so that the transfer magnetic suction fixing cylinder 319 carries the sample storage cylinder 320 numbered C1 containing the soil sample and inserts it into the sample fixing placement cylinder 324 numbered F1. After the sample storage cylinder 320 numbered C1 containing the soil sample is placed into the sample fixing placement cylinder 324 numbered F1, the adsorption fixing electromagnet 3190 is powered off;

[0154] Finally, the inner rod of the horizontal driving telescopic rod 317 extends to drive the horizontal extension sliding cylinder 316 and the transfer magnetic attraction fixing cylinder 319 to move in a direction away from F1.

[0155] The circulating storage driving wheel 322 is driven to rotate by a servo motor fixed in the sample storage box 321, and a grating ruler sensor of the prior art is arranged between the sample storage supporting synchronous belt 323 and the inner side of the sample storage box 321, which is used to accurately monitor the relative position of the sample storage supporting synchronous belt 323 in the sample storage box 321;

[0156] When the sample storage cylinder 320 numbered C1 containing the soil sample is placed in the sample fixed placement cylinder 324 numbered F1, the servo motor drives the circulating storage driving wheel 322 to rotate, and the circulating storage driving wheel 322 drives the sample storage supporting synchronous belt 323 to move together with each sample fixed placement cylinder 324, so that the sample storage supporting synchronous belt 323 moves the distance between two adjacent sample fixed placement cylinders 324 and then stops, so as to facilitate the use of the sample storage cylinder 320 numbered C2 in the next sample fixed placement cylinder 324 numbered F2 to continue to transfer and store soil samples.

[0157] S5. Continue to transfer and store soil samples

[0158] Then, driven by the sampling static pressure driving mechanism 24, the whole composed of the sampling outer drill rod 22 and the sampling inner drill rod 23 continues to be drawn out until the next sampling hole 220 on the side of the outer drill rod is aligned with the transfer magnetic suction fixing cylinder 319 in horizontal height, and then the whole composed of the sampling outer drill rod 22 and the sampling inner drill rod 23 stops being drawn out again;

[0159] Repeat the transfer process in step S5 to transfer the soil sample contained in the sampling inner drill rod 23 to the sample storage cylinder 320, and put the sample storage cylinder 320 storing the soil sample back into the corresponding sample fixed placement cylinder 324 for storage;

[0160] S6, repeating the above step S5 until all soil samples in the sampling holes 230 on the side of the inner drill rod at different depths are transferred;

[0161] S7, cleaning the inside of the sampling inner drill rod 23

[0162] The soil remaining in the sampling inner drill rod 23 is cleaned up so as to facilitate the next sampling work and avoid the residual soil from mixing with the newly sampled soil, which may cause deviation in the sample analysis.

[0163] Embodiment 7:

[0164] This embodiment describes a soil vertical batch sampling method for environmental geological survey, which is based on a soil vertical batch sampling device for environmental geological survey in the above-mentioned embodiment 2, and is different from embodiment 6 in that, in step S1, a stable support mechanism 13 is used to stably support the entire device;

[0165] The following steps are involved:

[0166] The inner rod supporting the lifting drive rod 134 extends to drive the stable support lifting cylinder 132 to move downward in the stable support fixing cylinder 131, and the stable support lifting cylinder 132 drives the stable support plate 133 to move downward together, so that the stable support plate 133 is fixedly supported on the ground, thereby playing a role in stabilizing the support of the entire equipment.

[0167] Embodiment 8:

[0168] This embodiment describes a soil vertical batch sampling method for environmental geological survey, which is based on a soil vertical batch sampling device for environmental geological survey in the above-mentioned embodiment 3, and is different from the embodiment 7 in that, in step S1, after each stable support plate 133 is fixedly supported on the ground, the wheel group lifting mechanism 14 is used to drive each main driving wheel 12 to leave the ground;

[0169] The following steps are involved:

[0170] The inner rod of the wheel group lifting driving rod 143 retracts to drive the wheel group lifting moving cylinder 142 to move upward in the wheel group lifting supporting cylinder 141, and the wheel group lifting moving cylinder 142 then drives the main body driving wheel 12 to move upward together, so that each main body driving wheel 12 moves up 10 cm off the ground.

[0171] Embodiment 9:

[0172] This embodiment describes a soil vertical batch sampling method for environmental geological survey, which is based on a soil vertical batch sampling device for environmental geological survey in the above-mentioned embodiment 4, and is different from the embodiment 8 in that, in step S7, the inside of the sampling inner drill rod 23 is cleaned by using the drill rod cleaning mechanism 26;

[0173] The following steps are involved:

[0174] The output shaft of the cleaning drive motor 266 drives the cleaning drive screw 264 to rotate, and drives the cleaning rod driving column 263 to move back and forth in the vertical direction in the cleaning rod driving support tube shell 262 under the cooperation of the threaded transmission. The cleaning rod driving column 263 drives the cleaning support rod 261 to move together through the cleaning drive connecting plate 2631, and uses the cleaning brush 2610 at the lower end of the cleaning support rod 261 to clean the residual soil in the sampling drill rod 23, so as to carry out the next sampling work, so as to avoid the residual soil from mixing with the newly sampled soil, causing deviation in the sample analysis;

[0175] At the same time, the air compressor 267 is used to deliver compressed air to the inside of the cleaning support rod 261, and the air flow is ejected from each air flow injection through hole 2611 to assist in cleaning the soil remaining in the sampling inner drill rod 23.

[0176] Embodiment 10:

[0177] This embodiment describes a soil vertical batch sampling method for environmental geological survey, which is a soil vertical batch sampling device for environmental geological survey based on the above-mentioned embodiment 4. The difference from embodiment 9 is that in step S4, during the process of inserting the sample storage cylinder 320 numbered C1 into the sampling inner drill rod 23, the sampling rotating mechanism 33 is used to drive the transfer magnetic suction fixing cylinder 319 to rotate together with the sample storage cylinder 320 numbered C1, so that the soil sample can be more smoothly accommodated in the sample storage cylinder 320 numbered C1, and under the constraint of the sample constraint plate 3201, the soil sample is firmly fixed in the sample storage cylinder 320;

[0178] The servo motor fixed on the sampling rotating fixed outer ring 331 drives the sampling rotating driving inner ring 332 to rotate, and a grating ruler sensor of the prior art is arranged between the sampling rotating fixed outer ring 331 and the sampling rotating driving inner ring 332 to accurately monitor the relative motion position between the sampling rotating driving inner ring 332 and the sampling rotating fixed outer ring 331;

[0179] In practical applications, the present invention uses the sampling device of the present invention to collect soil samples, and uses calcium isotope tracing technology to analyze the hydrology and soil system;

[0180] For example, in Florida Bay, the impact of submarine groundwater discharge on the Ca cycle of the estuarine lagoon was demonstrated. The δ44 / 40Ca of sediments and seawater in Florida Bay decreased by a gradient of 0.7‰ toward the Florida Everglades, which was caused by local Ca input caused by submarine groundwater discharge. Compared with seawater, submarine groundwater discharge has higher Ca concentration and lower δ44 / 40Ca. Mixed calculations show that submarine groundwater discharge and runoff of surface water from the Florida Everglades contribute 8% to 60% to the dissolved calcium in the studied waters.

[0181] For example, using Ca and Sr isotopes to constrain the carbonate cycle in the Coorong Lagoon system in Australia, it was found that the δ44 / 40Ca of the northern lagoon is indeed similar to that of seawater, confirming that the water in the northern lagoon is mainly derived from seawater, but the δ44 / 40Ca of the southern lagoon is much higher than that of seawater, indicating that the Ca cycle in this part of the water area requires an additional process, that is, it is not just a simple mixing of seawater and surface water. High δ44 / 40Ca values ​​indicate that carbonate deposition preferentially transfers 40Ca to sediments, enriching the lagoon with heavier isotopes. In the study of Icelandic rivers, it was found that although Sr isotopes are often used as a reliable substitute for Ca, there are still differences between the two systems. Only δ44 / 40Ca can clearly track Ca, which also reflects the irreplaceable nature of Ca isotopes in this regard.

[0182] For example, by comparing δ88 / 86Sr and δ44 / 40Ca in Icelandic rivers, it was shown that Sr and Ca are likely to come from the same source, flow with the water, and may trace the same isotope fractionation process, which means that the isotopic composition of Sr and Ca may be affected by similar factors during weathering. By using δ44 / 40Ca and 87Sr / 86Sr as the main technical means, the main provenance characteristics of the Hetao Basin were explored. It was found that by analyzing 87Sr / 86Sr and δ44 / 40Ca in groundwater and sediment samples, the source and migration path of arsenic in different geological units and hydrogeological conditions were determined, revealing the transition of groundwater environment from oxidation to reduction conditions. A conceptual model of groundwater arsenic migration and enrichment based on 87Sr / 86Sr and δ44 / 40Ca was constructed. In the oxidation zone, the 87Sr / 86Sr ratio is the highest, indicating that it is related to the lateral recharge of bedrock fissure water in the mountainous area, and the δ44 / 40Ca is the lowest, indicating that the calcium in the groundwater mainly comes from the dissolution of silicate rocks, and Ca2+ may enhance the adsorption of As by increasing the surface charge of Fe / Mn oxides; in the moderately reduced zone, the decrease in the 87Sr / 86Sr ratio is related to the incomplete dissolution of feldspar minerals in the aquifer, and the increase in δ44 / 40Ca is caused by the continuous consumption of atmospheric CO2 and the production of HCO3-; in the strongly reduced zone, the 87Sr / 86Sr ratio is the lowest, which is related to the vertical mixing of shallow and deep groundwater, and the δ44 / 40Ca is the highest, and the secondary calcium precipitation caused by the degradation of a large amount of organic matter is further enhanced. As a by-product, the secondary calcium precipitation has little effect on arsenic migration.

[0183] For example, understanding hydrological processes such as water source determination, hydrological cycle, mixing history of water bodies, surface and deep water circulation, and groundwater recharge and extraction is critical for sustainable management of water resources. Stable isotopes O, C, H, N, S, radioisotopes U-Th-Ra, and radiogenic isotopes Sr play an important role in tracking hydrological pathways and mixing of water bodies and solutes, while Ca isotopes are a complementary tracer that helps analyze weathering of deep soils and water sources near tree roots. Variations in δ44 / 40Ca values ​​in streams and springs can provide important information about the interaction between vegetation and weathering processes. In forested watersheds or larger watersheds, Ca isotopes may also be affected by mixing processes rather than just vegetation. In addition, Ca isotope differences in soils are mainly affected by factors such as whether the bedrock is granite or basalt, early or late weathering stage, forest cover or sparse vegetation, and climate. Plant growth absorbs light calcium from the soil, while weathering, plant decay, and sedimentation will re-input light calcium into the soil. This is a system regulation mechanism. Through numerical simulation, the relationship between terrestrial calcium isotope changes and weathering, sedimentation, etc. can be obtained. As the soil depth changes, the Ca isotope composition also changes, which is related to many factors, such as ion exchange reactions, calcium sources, plant absorption, organic redeposition, water in natural water soil, groundwater and surface water, water-rock interaction, and soil acidity and alkalinity. By studying and analyzing the Ca, Sr, Nd, and Pb isotopes in spruce rings from 1916 to 1983, it was found that the Ca isotopes in spruce rings showed uniformity, which means that the source of Ca in spruce has not changed. The study shows that Ca isotopes provide important information for understanding the behavior of Ca in soil solution and the stability of plant absorption of Ca, and play an important role in using spruce rings as archives to record the chemical evolution of the uppermost soil.

[0184] For example, by analyzing the calcium isotope composition of ancient biological remains, scientists can infer the dietary habits of these organisms and reconstruct human dietary habits. For example, changes in calcium isotope ratios can indicate changes in the dietary habits of animals during their life cycle, or the dietary patterns of human groups in different historical periods.

Claims

1. A soil vertical batch sampling device for environmental geological survey, characterized in that: It comprises a main body support mechanism (10) and a distributed sampling mechanism (20) arranged on the main body support mechanism (10); The main body support mechanism (10) comprises a horizontally arranged main body support plate (11), and a plurality of main body driving wheels (12) are installed at the bottom of the main body support plate (11); The main body support plate (11) is provided with a vertically penetrating sampling lifting groove (110); The distributed sampling mechanism (20) comprises a sampling mechanism support shell (21) arranged at the sampling lifting slot (110), a vertically extending sampling outer drill rod (22) being fixed to the lower end of the sampling mechanism support shell (21), and a sampling inner drill rod (23) being rotatably connected inside the sampling outer drill rod (22); The side wall of the sampling outer drill rod (22) is provided with a plurality of outer drill rod side sampling holes (220) communicating with each other, and the side wall of the sampling inner drill rod (23) is provided with a plurality of inner drill rod side sampling holes (230) communicating with each other; The sampling mechanism support shell (21) is connected to the top of the main body support plate (11) via a sampling static pressure drive mechanism (24); A sample transfer storage mechanism (30) is provided on the top of the main body support plate (11), and the sample transfer storage mechanism (30) comprises a sample transfer mechanism (31) and a sample storage mechanism (32); The sample transfer mechanism (31) comprises a transfer magnetic fixing cylinder (319) connected to the top of the main support plate (11) via a multi-directional driving mechanism (310); The sample storage mechanism (32) comprises a sample storage box (321) fixed on the top of the main support plate (11) and having a side opening, wherein two circulation storage driving wheels (322) with axes arranged horizontally are rotatably connected in the sample storage box (321), a sample storage support synchronous belt (323) is transmission-connected between the two circulation storage driving wheels (322), and a plurality of sample fixing and placing cylinders (324) are evenly distributed and fixed on the outer side of the sample storage support synchronous belt (323); A sample storage tube (320) is placed inside the sample fixing and placing tube (324), and a spirally extending sample restraining plate (3201) is fixed to the inner side wall of the sample storage tube (320).

2. A soil vertical batch sampling device for environmental geological survey according to claim 1, characterized in that: The main body support plate (11) is provided with a stable support mechanism (13), and the stable support mechanism (13) includes a plurality of stable support plates (130) fixed to the side of the main body support plate (11), and each of the stable support plates (130) is fixed with a stable support fixing cylinder (131) with an opening facing downward, and a stable support lifting cylinder (132) is slidably connected inside the stable support fixing cylinder (131), and a stable support plate (133) is fixed at the lower end of the stable support lifting cylinder (132), and a support lifting drive rod (134) for driving the stable support lifting cylinder (132) to move is provided inside the stable support fixing cylinder (131).

3. The soil vertical batch sampling equipment for environmental geological survey according to claim 1 is characterized in that: The main body driving wheel (12) is connected to the bottom of the main body support plate (11) through a wheel group lifting mechanism (14); the wheel group lifting mechanism (14) comprises a plurality of wheel group lifting support cylinders (141) fixed to the bottom of the main body support plate (11) and with openings facing downwards; a wheel group lifting moving cylinder (142) is slidably connected inside the wheel group lifting support cylinder (141); the suspensions of the plurality of main body driving wheels (12) are fixedly connected to the lower ends of the respective wheel group lifting moving cylinders (142) in a one-to-one correspondence; and a wheel group lifting driving rod (143) for driving the wheel group lifting moving cylinder (142) to rise and fall is provided inside the wheel group lifting support cylinder (141).

4. The soil vertical batch sampling equipment for environmental geological survey according to claim 1 is characterized in that: The sampling static pressure drive mechanism (24) comprises two static pressure drive support tube shells (241) fixed to the top of the main body support plate (11) and extending vertically, a static pressure drive column (242) is slidably connected inside the static pressure drive support tube shell (241), and a side surface of the static pressure drive support tube shell (241) has a drive matching connecting groove (2410) that is connected inside and outside and extends vertically, and the static pressure drive column (242) is fixedly connected to the sampling mechanism support shell (21) through a static pressure drive connecting plate (240); The static pressure drive column (242) has a vertically penetrating drive matching hole (2420), and the drive matching hole (2420) is threadedly connected to a vertically extending static pressure drive screw (243). A static pressure drive accommodating shell (244) is fixed to the top of the static pressure drive support tube shell (241), and the upper end of the static pressure drive screw (243) extends into the static pressure drive accommodating shell (244). A static pressure drive motor (245) for driving the static pressure drive screw (243) to rotate is fixed in the static pressure drive accommodating shell (244); The output shaft of the static pressure drive motor (245) is transmission-connected to the static pressure drive screw (243) via a planetary reducer (246).

5. The soil vertical batch sampling equipment for environmental geological survey according to claim 1 is characterized in that: A rotational deviation mechanism (25) is provided in the sampling mechanism support shell (21); the upper end of the sampling inner drill rod (23) extends into the interior of the sampling mechanism support shell (21); the rotational deviation mechanism (25) comprises a rotational deviation support ring (251) fixed in the sampling mechanism support shell (21); an inner drill rod support ring (252) is fixed to one end of the sampling inner drill rod (23) located in the interior of the sampling mechanism support shell (21); and the inner drill rod support ring (252) is rotatably connected to the rotational deviation support ring (251); An offset drive worm gear (253) is fixed to one end of the sampling inner drill rod (23) located inside the sampling mechanism support shell (21); an offset drive accommodating shell (254) is fixed to the outside of the sampling mechanism support shell (21); an offset drive motor (255) is fixed inside the offset drive accommodating shell (254); an output shaft of the offset drive motor (255) extends to the inside of the sampling mechanism support shell (21) and is fixed to an offset drive worm (256); the offset drive worm (256) is meshingly connected with the offset drive worm gear (253).

6. The soil vertical batch sampling equipment for environmental geological survey according to claim 1, characterized in that: A drill rod cleaning mechanism (26) is provided on the sampling mechanism support shell (21), and the drill rod cleaning mechanism (26) comprises a cleaning rod restraining tube (260) fixed to the top of the sampling mechanism support shell (21) and vertically passing through, a vertically extending cleaning support rod (261) is slidably connected in the cleaning rod restraining tube (260), and the lower end of the cleaning support rod (261) extends into the sampling inner drill rod (23) and is fixed with a cleaning brush (2610); A vertically extending cleaning rod driving support tube shell (262) is fixed to the top of the sampling mechanism support shell (21), a cleaning rod driving support tube shell (262) is slidably connected with a cleaning rod driving column (263) in the cleaning rod driving support tube shell (262), a cleaning rod driving matching groove (2620) which is connected inside and outside and extends vertically is provided on the side wall of the cleaning rod driving support tube shell (262), and the cleaning rod driving column (263) is fixedly connected to the cleaning support rod (261) via a cleaning driving connecting plate (2631); The cleaning rod driving column (263) is provided with a vertically penetrating cleaning driving matching hole (2630), and the cleaning driving matching hole (2630) is threadedly connected to a vertically extending cleaning driving screw (264). A cleaning driving accommodating shell (265) is fixed to the top of the cleaning rod driving support tube shell (262), and the upper end of the cleaning driving screw (264) extends into the interior of the cleaning driving accommodating shell (265). A cleaning driving motor (266) is fixed in the cleaning driving accommodating shell (265), and the output shaft of the cleaning driving motor (266) is drivingly connected to the cleaning driving screw (264) via a coupling.

7. A soil vertical batch sampling device for environmental geological survey according to claim 6, characterized in that: The cleaning support rod (261) is a hollow structure, and is provided with a plurality of air flow injection holes (2611) which are connected to the inside and outside of the cleaning support rod (261) at the cleaning brush (2610). An air compressor (267) is fixed to the top of the sampling mechanism support shell (21), and the output end of the air compressor (267) is connected to the inside of the cleaning support rod (261) through a pipeline.

8. The soil vertical batch sampling equipment for environmental geological survey according to claim 1 is characterized in that: The multi-directional driving mechanism (310) comprises a sample transfer support slide rail (311) fixed on the top of the main body support plate (11), and a sample transfer support slider (312) is slidably connected to the sample transfer support slide rail (311); A steering support ring (313) with an axis extending vertically is fixed on the top of the sample transfer support slider (312), and a steering rotating ring (314) is rotatably connected inside the steering support ring (313); A horizontally extending support cylinder (315) which is horizontally placed and has one end open is fixed on the top of the steering rotating ring (314), a horizontally extending sliding cylinder (316) is slidably connected inside the horizontally extending support cylinder (315), and the horizontally extending sliding cylinder (316) is driven to move by a horizontal driving telescopic rod (317) arranged inside the horizontally extending support cylinder (315); The transfer magnetic attraction fixing cylinder (319) is fixed to the outer end of the horizontal extension sliding cylinder (316).

9. The soil vertical batch sampling equipment for environmental geological survey according to claim 1, characterized in that: The transfer magnetic fixed cylinder (319) is connected to the outer end of the horizontal extension sliding cylinder (316) through a sampling rotation mechanism (33), the sampling rotation mechanism (33) comprises a sampling rotation fixed outer ring (331) fixed to the outer end of the horizontal extension sliding cylinder (316) and arranged coaxially therewith, a sampling rotation drive inner ring (332) is rotatably connected inside the sampling rotation fixed outer ring (331), the transfer magnetic fixed cylinder (319) is fixedly connected to the outer end of the sampling rotation drive inner ring (332), and a servo motor for driving the sampling rotation drive inner ring (332) to rotate is arranged inside the sampling rotation fixed outer ring (331); An adsorption and fixing electromagnet (3190) is fixed to the inner end of the transfer magnetic attraction fixing cylinder (319).

10. A soil vertical batch sampling method for environmental geological survey, based on the soil vertical batch sampling device for environmental geological survey according to any one of claims 1 to 9, characterized in that: The following steps are involved: S1. Move the equipment to the sampling location: Under the driving movement of the plurality of main body driving wheels (12), the device is moved to the sampling location, so that the sampling outer drill rod (22) is aligned with the sampling point in the vertical direction; S2. Perform static pressure sampling Under the drive of the sampling static pressure driving mechanism (24), the whole consisting of the sampling outer drill rod (22) and the sampling inner drill rod (23) is inserted into the soil together, and the soil sample is contained in the sampling inner drill rod (23); S3, extract the sampling inner drill rod (23) with the soil sample collected Under the drive of the sampling static pressure driving mechanism (24), the sampling mechanism support shell (21) together with the whole consisting of the sampling outer drill rod (22) and the sampling inner drill rod (23) are moved upward, and the whole consisting of the sampling outer drill rod (22) and the sampling inner drill rod (23) is extracted from the soil; S4. Transfer and store the soil samples inside the sampling inner drill rod (23) in batches During the extraction process of the whole composed of the sampling outer drill rod (22) and the sampling inner drill rod (23), when the first sampling hole (220) on the side of the outer drill rod from top to bottom is aligned with the transfer magnetic suction fixing cylinder (319) in horizontal height, the whole composed of the sampling outer drill rod (22) and the sampling inner drill rod (23) stops being extracted; And under the drive of the rotational deviation mechanism (25), the sampling inner drill rod (23) rotates in the sampling outer drill rod (22), so that each outer drill rod side sampling hole (220) and each inner drill rod side sampling hole (230) are connected in a one-to-one correspondence; Then, under the drive of the multi-directional driving mechanism (310), the transfer magnetic attraction fixing cylinder (319) takes out the sample storage cylinder (320) from one of the sample fixing and placing cylinders (324), and the transfer magnetic attraction fixing cylinder (319) then carries the sample storage cylinder (320) through the sampling hole (220) on the side of the outer drill rod and inserts it into the sampling hole (230) on the side of the inner drill rod, so as to transfer the soil sample contained in the sampling inner drill rod (23) to the sample storage cylinder (320), and then, under the drive of the multi-directional driving mechanism (310), the sample storage cylinder (320) storing the soil sample is put back into the corresponding sample fixing and placing cylinder (324); S5. Continue to transfer and store soil samples Then, driven by the sampling static pressure driving mechanism (24), the whole composed of the sampling outer drill rod (22) and the sampling inner drill rod (23) continues to be drawn out until the next sampling hole (220) on the side of the outer drill rod is aligned with the transfer magnetic suction fixing cylinder (319) in horizontal height, and then the whole composed of the sampling outer drill rod (22) and the sampling inner drill rod (23) stops being drawn out again; Repeat the transfer process in step S5 to transfer the soil sample contained in the sampling inner drill rod (23) to the sample storage cylinder (320), and put the sample storage cylinder (320) storing the soil sample back into the corresponding sample fixing cylinder (324) for storage; S6, repeating the above step S5 until all soil samples in the sampling holes (230) on the side of the inner drill rod at different depths are transferred; S7. Clean the inside of the sampling inner drill rod (23) When the soil sample collected once inside the sampling inner drill rod (23) is transferred, the soil remaining inside the sampling inner drill rod (23) is cleaned to facilitate the next sampling operation.

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