CN115950670A - Soil sampling system and soil sampling method for setting layer depth - Google Patents
Soil sampling system and soil sampling method for setting layer depth Download PDFInfo
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- 238000005527 soil sampling Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000005070 sampling Methods 0.000 claims abstract description 72
- 239000002689 soil Substances 0.000 claims abstract description 60
- 238000005553 drilling Methods 0.000 claims abstract description 27
- 230000001351 cycling effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 7
- 230000003137 locomotive effect Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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Abstract
The invention provides a soil sampling system and a soil sampling method for setting layer depth, which relate to the field of soil sampling and adopt the following scheme: the vertical column comprises a vertical column, be provided with the mounting panel on the stand, be provided with drive assembly on the mounting panel, drive assembly is connected with soil sampling component, soil sampling component includes the sleeve, telescopic upper end is provided with the catch tray, be provided with the drilling blade on the outer periphery of sleeve, the drilling blade is the heliciform, rotationally be provided with the pivot in the sleeve, stretch out in the pivot upper end the sleeve, the sleeve with the pivot is passed through the lock axle locking and is connected, the pivot with drive assembly connects, the pivot outside is provided with sampling blade, sampling blade is the heliciform. The soil sampling device can accurately sample soil with a set depth, avoids pollution caused by soil outside a set range from influencing detection accuracy, ensures sampling precision, and can sample deeper soil layers.
Description
Technical Field
The invention relates to the field of soil sampling, in particular to a soil sampling system and a soil sampling method for setting layer depth.
Background
Soil is a life hotbed which can not be left by human beings, on one hand, along with the popularization of environmental protection consciousness, the improvement and protection items aiming at the soil are more and more, the soil safety becomes an important index of environmental pollution, and the soil quality needs to be detected regularly for ensuring the soil safety, on the other hand, along with the development of agricultural technology, in order to accurately realize the condition according to the local conditions, the soil quality needs to be detected before corresponding crops are planted, and the proper crop varieties and the planting method are selected according to the soil conditions; this all requires independent sampling of the soil at different depths of layer according to the detection requirements.
In the prior art, generally carry out the intercepting sample to soil through sampling device, sampling device includes drive assembly, sample sleeve pipe and electric telescopic handle, the inspector generally can select to sweep the loam that needs the detection area off and then sample, adjust telescopic handle length after, go deep into corresponding soil layer position department with the sleeve pipe through drive assembly, wherein soil directly intercepts, then peel off the soil in the sleeve pipe, and simultaneously, the stationing of sampling point also has the explanation, it is just enough that a large amount of land is randomly looked for the place and punches, the position is generally divided into diagonal stationing, the quincunx stationing, chessboard type stationing, snakelike stationing, can not be close too closely between the position, also can not too sparsely distribute, generally speaking be no less than 5 points per 100 hectare ground and be good.
However, the method of cutting out a soil sample through a sampling cannula has the following disadvantages:
1. the sampling sleeve always takes out the soil outside the set depth range, and when the sample is stripped, the soil in other depth ranges is difficult to separate, so that the soil sample in the set depth range is easy to be polluted, pollution-free sampling of the soil sample in the set depth range is difficult to realize, and the detection accuracy is influenced;
2. when sampling to the soil of darker layer, it is great to mean the degree of depth of stretching into soil of sleeve pipe and telescopic link, and the frictional force of pipe wall and soil increases along with the degree of depth increase, surpasss the rated load of motor easily, influences the life of equipment.
Disclosure of Invention
In order to solve the problems that the set layer depth is difficult to accurately and pollution-free sample and deeper soil is difficult to sample in the prior art, the invention provides the soil sampling system and the soil sampling method for the set layer depth, which can accurately sample the soil with the set layer depth, avoid pollution caused by the soil outside the set range from influencing the detection accuracy, ensure the sampling precision and simultaneously sample the deeper soil layer.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a soil sampling system for setting for layer depth, includes the stand, be provided with the mounting panel on the stand, be provided with drive assembly on the mounting panel, drive assembly is connected with soil sampling component, soil sampling component includes the sleeve, telescopic upper end is provided with the catch tray, be provided with the drilling blade on the sleeve outer periphery, the drilling blade is the heliciform, rotationally be provided with the pivot in the sleeve, stretch out the pivot upper end the sleeve, the sleeve with the pivot is through lock axle locking connection, the pivot with drive assembly connects, the pivot outside is provided with sampling blade, sampling blade is the heliciform. Through the cooperation of sleeve and pivot, can realize earlier the mode of taking a sample again after drilling, can get the soil sample of arbitrary degree of depth on the one hand, on the other hand, because telescopic stretches into and forms an isolation effect behind the soil layer, can avoid the pollution of the soil of other degrees of depth, guarantee the sampling precision, the inspection is accurate.
Further, a drill bit is arranged at the lower end of the sleeve, the drill bit is of a hollow structure, and the rotating shaft can extend out of the drill bit. The drill bit can reduce the sleeve drilling difficulty and is suitable for soil layers with higher hardness.
Furthermore, a collecting tray is arranged at the upper end of the sleeve, a soil leaking groove is formed in the collecting tray, a disposable collecting bag is detachably connected to the lower portion of the collecting tray, the disposable collecting bag and the soil leaking groove are arranged oppositely, and the disposable collecting bag surrounds the sleeve. Through the cooperation of collecting bag and catch tray, can directly accomplish the collection to the sample in the sample, convenient to use to adopt disposable collection bag, can avoid the possibility that the soil sample of the different degree of depth pollutes.
Further, still include the locomotive, the locomotive articulates there is the linking arm, the linking arm is articulated with the piston rod of support cylinder, the cylinder body and the swing arm of support cylinder are connected, the swing arm rotationally sets up on the locomotive, the linking arm is connected with the stand. Through the cooperation of linking arm, support cylinder and swing arm, can adjust the inclination of stand, avoid removing the in-process, the stand produces with other objects on ground and collides with the interference, causes the damage of equipment, simultaneously, can adapt to the topography that has the slope, guarantees drilling direction and perpendicular to the ground, reduces the influence of drilling resistance to equipment life.
Further, the linking arm the support cylinder with the swing arm all is provided with two, two be provided with the crossbeam between the linking arm, it has the adjustment hydro-cylinder to articulate on the crossbeam, the piston rod of adjustment hydro-cylinder articulates there is the adjusting plate, the both ends of adjusting plate with correspond the linking arm is articulated, the adjusting plate with the connection can be dismantled to the stand. The angle of the upright post can be further adjusted through the cross beam, the adjusting oil cylinder and the adjusting plate, and the angle adjusting range of the upright post is enlarged.
Furthermore, the supporting device is characterized in that a supporting seat is arranged below the upright post and is of a U-shaped structure, and the opening direction of the supporting seat is consistent with the advancing direction of the moving vehicle. The stability of stand can be strengthened through the supporting seat, and the centrifugal force that produces when avoiding rotary drum and pivot to rotate rocks the effect.
Further, the upper part of the upright post is provided with a driving motor, and the driving motor is connected with the mounting plate through a screw rod.
Further, the locomotive includes controlling means, and controlling means electricity is connected with input device and display device, be provided with rotary encoder on the drive assembly, rotary encoder with controlling means electricity is connected, the support cylinder the adjustment hydro-cylinder with driving motor all with controlling means electricity is connected. The automation level of sampling is improved through the control device and the input device, and the working efficiency is improved.
Furthermore, the control device comprises a navigation module, a plurality of sampling routes and sampling point positions are stored in the control device, and the control device can control the mobile vehicle to move according to the selected route. Through the action of the navigation module and the control device, the accurate movement according to the selected sampling path can be realized, the sampling accuracy is improved, and the soil quality detection accuracy is ensured.
The invention also provides a soil sampling method for setting the layer depth, and the soil sampling system for setting the layer depth comprises the following steps:
s01: selecting a sleeve and a rotating shaft with proper length according to the requirement of sampling depth, assembling the sleeve and the rotating shaft together, and then connecting the sleeve and the rotating shaft with a driving assembly;
s02: selecting a proper sampling route through an input device;
s03: adjusting the inclination angle of the upright column to enable the supporting seat to be attached to the ground;
s04: driving the sleeve to rotate to drill until the sleeve reaches the set depth of the sleeve;
s05: separating the sleeve from the rotating shaft, and independently rotating the rotating shaft to sample until the rotating shaft reaches the set depth of the rotating shaft;
s06: detaching the disposable collecting bag, making a mark for storage, and replacing the new disposable collecting bag;
s07: cycling S04 through S06 until sampling of samples at all set depths at this location is complete;
s08: adjusting the inclination angle of the upright post to ensure that the upright post does not interfere with the ground and objects on the ground when the mobile vehicle moves;
s09: moving the mobile vehicle to the next sampling point;
s10: and circulating S03 to S09 until all sampling points on the sampling route are sampled.
By the method, the sample is not polluted by other layers of deep soil during sampling, sampling is strictly carried out according to the sampling route and the sampling point, the sampling accuracy of the soil sample is improved, and the accuracy of the detection result is ensured.
According to the technical scheme, the invention has the following advantages:
the scheme provides a soil sampling system and a soil sampling method for setting the depth of a layer, and through the matching of a sleeve and a rotating shaft, a mode of firstly drilling and then sampling can be realized, on one hand, a soil sample of any depth can be taken, and on the other hand, because the sleeve extends into a soil layer to form an isolation effect, the pollution of the soil of other depths can be avoided, the sampling precision is ensured, and the inspection is accurate; the drilling difficulty of the sleeve can be reduced through the drill bit, and the sleeve is suitable for a soil layer with higher hardness; the collection of samples can be directly completed while sampling through the matching of the collection bag and the collection disc, the use is convenient, and the possibility of pollution of soil samples of different depths can be avoided by adopting the disposable collection bag; the inclination angle of the stand column can be adjusted through the matching of the connecting arm, the supporting oil cylinder and the swing arm, the damage to equipment caused by collision interference between the stand column and other objects on the ground in the moving process is avoided, meanwhile, the device can adapt to a sloping terrain, the drilling direction is ensured to be vertical to the ground, and the influence of the drilling resistance on the service life of the equipment is reduced; the angle of the upright post can be further adjusted through the cross beam, the adjusting oil cylinder and the adjusting plate, so that the angle adjusting range of the upright post is expanded; the stability of the upright post can be enhanced through the supporting seat; the automation level of sampling is improved through the control device and the input device, and the working efficiency is improved; through the action of the navigation module and the control device, the accurate movement according to the selected sampling path can be realized, the sampling accuracy is improved, and the soil quality detection accuracy is ensured.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.
Fig. 2 is a schematic view of an assembly structure of a collecting tray, a disposable collecting bag, a drill, a rotating shaft and a sleeve in the first embodiment of the invention.
In the figure, the device comprises a moving vehicle 1, a control device 2, a swing arm 3, a support oil cylinder 4, a connecting arm 5, a connecting arm 6, an adjusting oil cylinder 7, an adjusting plate 8, a stand column 9, a driving motor 10, a screw rod 11, a driving assembly 12, a collecting disc 13, a rotating shaft 14, a locking shaft 15, a sleeve 16, a drill bit 17, a supporting seat 18, a mounting plate 19, a disposable collecting bag 20 and a soil leakage groove.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the present embodiment, and it is apparent that the embodiments described below are only a part of embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
Detailed description of the invention
As shown in fig. 1 to 2, the present embodiment provides a soil sampling system for setting a layer depth, including a moving vehicle 1, a column 8, a mounting plate 18, and a soil sampling assembly; a chute is arranged on the upright post 8, a sliding block is arranged at one end of the mounting plate 18 and can move in the chute, a driving motor 9 is arranged at the upper part of the upright post 8, the driving motor 9 is connected with the mounting plate 18 through a screw rod 10, and the driving motor 9 can drive the mounting plate 18 to move up and down; a driving assembly 11 is arranged on the mounting plate 18, the driving assembly 11 comprises a servo motor and a speed reducer, an output shaft of the speed reducer is connected with a soil sampling assembly, the soil sampling assembly comprises a sleeve 15, in order to reduce the drilling resistance, a drilling blade is arranged on the outer circumferential surface of the sleeve 15, the drilling blade is spiral, a rotating shaft 13 is rotatably arranged in the sleeve 15, the upper end of the rotating shaft 13 extends out of the sleeve 15 and is connected with an output shaft of the speed reducer through a coupler, the length of the rotating shaft 13 is greater than that of the sleeve 15, in order to be suitable for drilling in a hard soil layer, a drill bit 16 is arranged at the lower end of the sleeve 15, the drill bit 16 is of a hollow structure, the rotating shaft 13 can extend out of the drill bit 16, the rotating shaft 13 and the sleeve 15 can reciprocate along the length direction of the upright post 8 under the driving of the servo motor and the driving motor 9, the sleeve 15 and the rotating shaft 13 are locked and connected through a locking shaft 14, locking pins are inserted at two ends of the locking shaft 14, after the locking shaft 14 is removed, the rotating shaft 13 can independently rotate and move up and down, in order to realize the conveying and collection of a sample, the rotating shaft 13 is externally provided with a sampling blade, the spiral shape; through the matching of the sleeve 15 and the rotating shaft 13, the mode of firstly drilling at a sampling point and then sampling can be realized, the sleeve 15 is utilized to realize the isolation from other soils, the mixed pollution of the soils generated by the rotating shaft 13 during sampling is avoided, the sampling effect is not influenced, and meanwhile, any soil with a set depth can be obtained through the rotating shaft 13; in order to meet the requirement of deep sampling, the rotating shaft 13 can be connected with a telescopic rod, and the telescopic rod is connected with a speed reducer.
In order to collect the produced samples, a collecting tray 12 is welded at the upper end of a sleeve 15, a soil leakage groove 20 is formed in the collecting tray 12, a disposable collecting bag 19 is arranged below the collecting tray 12, a hanging ring is arranged on the collecting tray 12 and connected with the disposable collecting bag 19 through a rope, the disposable collecting bag 19 is arranged opposite to the soil leakage groove 20, and the disposable collecting bag 19 surrounds the sleeve 15; convenient to use to adopt disposable collection bag 19, can avoid the possibility of the soil sample pollution of the different degree of depth.
In order to bore, sleeve 15 can be favorable to sleeve 15 atress equilibrium with ground is perpendicular, especially when boring the deep hole, reduces to guaranteeing that the atress is balanced and rocks and have showing the effect, in order to realize having the subaerial vertical drilling of slope, locomotive 1 specifically adopts following connection structure with stand 8: the two sides of the moving vehicle 1 are hinged with connecting arms 5, the connecting arms 5 are hinged with piston rods of supporting oil cylinders 4, cylinder bodies of the supporting oil cylinders 4 are connected with swing arms 3, the swing arms 3 are rotatably arranged on the moving vehicle 1, the swing arms 3 are connected with servo motors, swing of the swing arms 3 is replaced by the servo motors, rotation of the connecting arms 5 is achieved by combining the telescopic action of the supporting oil cylinders 4, in order to further enlarge the adjusting range of the stand columns 8, a cross beam is arranged between the two connecting arms 5, adjusting oil cylinders 6 are hinged to the cross beam, the piston rods of the adjusting oil cylinders 6 are hinged with adjusting plates 7, two ends of each adjusting plate 7 are hinged with the corresponding connecting arm 5, each adjusting plate 7 is detachably connected with the corresponding stand column 8, a supporting seat 17 is arranged below the stand column 8, the supporting seat 17 is of a U-shaped structure, the opening direction of the supporting seat 17 is consistent with the advancing direction of the moving vehicle 1, and the supporting seat 17 can provide stable support to further reduce shaking of the stand columns 8; therefore, vertical drilling can be realized on the ground with a slope, the stress balance is ensured, the service life of the equipment is prolonged, and the drilling tool is suitable for various terrains; by adopting such a connection form, the column 8 can be adjusted to a horizontal state for transportation, reducing collision interference with other objects.
In order to improve the automation level and the accuracy of sampling, the moving vehicle 1 comprises a control device 2, the control device 2 is electrically connected with an input device and a display device, the input device is a knob, the display device adopts a touch display screen, a rotary encoder is arranged on a driving assembly 11 and is electrically connected with the control device 2, and a supporting oil cylinder 4, an adjusting oil cylinder 6 and a driving motor 9 are electrically connected with the control device 2; the control device 2 comprises a navigation module, a plurality of sampling routes and sampling point positions are stored in the control device 2, and the control device 2 can control the mobile vehicle 1 to move according to the selected route.
Detailed description of the invention
The specific embodiment provides a soil sampling method for setting the depth of a layer, and the soil sampling system for setting the depth of a layer in the first specific embodiment comprises the following steps:
s01: selecting a sleeve 15 and a rotating shaft 13 with proper lengths according to the requirement of the sampling depth, and connecting the sleeve 15 and the rotating shaft 13 with the driving assembly 11 after being assembled together;
s02: selecting a proper sampling route through an input device;
s03: adjusting the inclination angle of the upright post 8 to ensure that the supporting seat 17 is attached to the ground;
s04: driving the sleeve 15 to rotate for drilling until the sleeve 15 reaches the set depth of the sleeve 15;
s05: separating the sleeve 15 from the rotating shaft 13, and independently rotating the rotating shaft 13 to sample until the rotating shaft 13 reaches the set depth of the rotating shaft 13;
s06: the disposable collecting bag 19 is detached and marked for storage, and a new disposable collecting bag 19 is replaced;
s07: cycling S04 to S06 until sampling of samples at all set depths at this location is completed;
s08: the inclination angle of the upright post 8 is adjusted to ensure that the upright post 8 does not interfere with the ground and objects on the ground when the movable vehicle 1 moves;
s09: the moving vehicle 1 moves to the next sampling point;
s10: and circulating S03 to S09 until all sampling points on the sampling route are sampled.
The set depth of the sleeve 15 is smaller than that of the rotating shaft 13, the descending depths of the sleeve 15 and the rotating shaft 13 can be acquired by a rotary encoder on the servo motor and are transmitted to the control device 2, and the descending is stopped when the control device 2 detects that the corresponding set depth is reached, and a prompt is sent through a display device.
By the method, the sample is not polluted by other layers of deep soil during sampling, sampling is strictly carried out according to the sampling route and the sampling point, the sampling accuracy of the soil sample is improved, and the accuracy of the detection result is ensured.
From the above detailed description, it can be seen that the present invention has the following beneficial effects:
1. through the matching of the sleeve 15 and the rotating shaft 13, a mode of firstly drilling and then sampling can be realized, on one hand, a soil sample with any depth can be taken, on the other hand, because the sleeve 15 extends into a soil layer to form an isolation effect, the pollution of the soil with other depths can be avoided, the sampling precision is ensured, and the inspection is accurate; the drilling difficulty of the sleeve 15 can be reduced through the drill 16, and the sleeve is suitable for soil layers with higher hardness;
2. through the matching of the collection bag 19 and the collection disc 12, the collection of samples can be directly completed while sampling, the use is convenient, and the possibility of pollution of soil samples of different depths can be avoided by adopting the disposable collection bag 19;
3. through the matching of the connecting arm 5, the supporting oil cylinder 4 and the swing arm 3, the inclination angle of the upright post 8 can be adjusted, the damage to equipment caused by collision interference between the upright post 8 and other objects on the ground in the moving process is avoided, meanwhile, the device can adapt to a sloping terrain, the drilling direction is ensured to be vertical to the ground, and the influence of the drilling resistance on the service life of the equipment is reduced;
4. the angle of the upright post 8 can be further adjusted through the cross beam, the adjusting oil cylinder 6 and the adjusting plate 7, so that the angle adjusting range of the upright post 8 is expanded;
5. the stability of the upright post 8 can be enhanced through the supporting seat 17;
6. the automation level of sampling is improved through the control device 2 and the input device, and the working efficiency is improved;
7. can realize through navigation module and controlling means 2 the effect that accurate sample route according to choosing removes, promote the accuracy of sample, guarantee the accuracy that soil property detected.
The terms "upper", "lower", "outside", "inside", and the like in the description and claims of the present invention and the above-described drawings (if any) are used for distinguishing relative positions without necessarily being construed qualitatively. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides a soil sampling system for setting for depth of layer, including stand (8), be provided with mounting panel (18) on stand (8), be provided with drive assembly (11) on mounting panel (18), drive assembly (11) are connected with soil sampling component, a serial communication port, soil sampling component includes sleeve (15), be provided with the drilling blade on the outer periphery of sleeve (15), the drilling blade is the heliciform, rotationally be provided with pivot (13) in sleeve (15), sleeve (15) are stretched out to pivot (13) upper end, sleeve (15) are connected through lock axle (14) locking with pivot (13), pivot (13) are connected with drive assembly (11), pivot (13) outside is provided with sampling blade, sampling blade is the heliciform.
2. Soil sampling system for setting the depth of a layer as claimed in claim 1, characterized in that the lower end of the sleeve (15) is provided with a drill bit (16), the drill bit (16) being of hollow construction, the shaft (13) being able to protrude from the drill bit (16).
3. Soil sampling system for setting the depth of layer according to claim 2, characterized in that the sleeve (15) is provided at its upper end with a collecting tray (12), that the collecting tray (12) is provided with a soil-leaking groove (20), that a disposable collecting bag (19) is detachably connected below the collecting tray (12), that the disposable collecting bag (19) is arranged opposite to the soil-leaking groove (20), and that the disposable collecting bag (19) surrounds the sleeve (15).
4. The soil sampling system for setting the depth of layer according to claim 3, further comprising a mobile cart (1), wherein the mobile cart (1) is hinged with a connecting arm (5), the connecting arm (5) is hinged with a piston rod of the supporting cylinder (4), a cylinder body of the supporting cylinder (4) is connected with the swing arm (3), the swing arm (3) is rotatably arranged on the mobile cart (1), and the connecting arm (5) is connected with the upright post (8).
5. The soil sampling system for setting the depth of layer as claimed in claim 4, wherein there are two connecting arms (5), two supporting cylinders (4) and two swing arms (3), a cross beam is arranged between the two connecting arms (5), an adjusting cylinder (6) is hinged on the cross beam, a piston rod of the adjusting cylinder (6) is hinged with an adjusting plate (7), two ends of the adjusting plate (7) are hinged with the corresponding connecting arms (5), and the adjusting plate (7) is detachably connected with the upright post (8).
6. Soil sampling system for setting the depth of layer according to claim 5, characterized in that a support (17) is arranged under the column (8), the support (17) is of a U-shaped configuration, the opening direction of the support (17) coincides with the advancing direction of the trolley (1).
7. Soil sampling system for setting the depth of layer as claimed in claim 6, characterized in that the upper part of the column (8) is provided with a drive motor (9), the drive motor (9) being connected to the mounting plate (18) by means of a screw (10).
8. Soil sampling system for setting the depth of layer according to claim 7, characterized in that the mobile carriage (1) comprises a control device (2), the control device (2) is electrically connected with an input device and a display device, the driving assembly (11) is provided with a rotary encoder, the rotary encoder is electrically connected with the control device (2), and the support cylinder (4), the adjusting cylinder (6) and the driving motor (9) are electrically connected with the control device (2).
9. Soil sampling system for setting the depth of layer according to claim 8, characterized in that the control device (2) comprises a navigation module, in that a plurality of sampling routes and sampling point positions are stored in the control device (2), and in that the control device (2) is able to control the vehicle (1) to move according to the selected route.
10. A method for sampling soil with a set depth of layer using the soil sampling system for setting depth of layer as claimed in claim 9, comprising the steps of:
s01: selecting a proper sleeve and a proper rotating shaft according to the requirement of sampling depth, assembling the sleeve and the rotating shaft together and then connecting the sleeve and the rotating shaft with a driving assembly;
s02: selecting a proper sampling route;
s03: adjusting the inclination angle of the upright column to ensure that the supporting seat is attached to the ground;
s04: driving the sleeve to rotate to drill until the sleeve reaches the set depth of the sleeve;
s05: separating the sleeve from the rotating shaft, and independently rotating the rotating shaft to sample until the rotating shaft reaches the set depth of the rotating shaft;
s06: detaching the disposable collecting bag, making a mark for storage, and replacing the new disposable collecting bag;
s07: cycling S04 to S06 until sampling of samples at all set depths at this location is completed;
s08: the inclination angle of the upright post is adjusted to ensure that the upright post does not interfere with the ground and objects on the ground when the mobile vehicle moves;
s09: moving the mobile vehicle to the next sampling point;
s10: and circulating S03 to S09 until all sampling points on the sampling route are sampled.
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