CN108776044B - Accurate sampling system and method for soil environment monitoring - Google Patents
Accurate sampling system and method for soil environment monitoring Download PDFInfo
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- CN108776044B CN108776044B CN201811046558.8A CN201811046558A CN108776044B CN 108776044 B CN108776044 B CN 108776044B CN 201811046558 A CN201811046558 A CN 201811046558A CN 108776044 B CN108776044 B CN 108776044B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
Abstract
The invention provides an accurate sampling system and a soil sampling method for soil environment monitoring, which comprise a workbench, a soil sampling device, a depth display device and fixing devices, wherein the middle part of the upper end of the workbench is provided with a circular through hole, the corresponding circular through hole is provided with the soil sampling device, the depth display device is arranged in front of the upper end of the workbench, and the left side and the right side below the workbench are symmetrically provided with the fixing devices; the invention can solve the problems that the traditional manual soil sampling usually consumes a long time for digging soil, on one hand, the labor intensity of workers is increased, on the other hand, the soil can be damaged, and in the manual sampling process, the upper layer soil falls onto a sampling layer, so that the accuracy of soil analysis is interfered, the accuracy of an analysis result cannot be ensured, a detection result is influenced, the sampling depth of general sampling equipment cannot meet the required requirement, and the measurement result is greatly influenced.
Description
Technical Field
The invention relates to the field of soil environment monitoring, in particular to an accurate sampling system and a soil sampling method for soil environment monitoring.
Background
At present, the soil environment situation of China is severe, the overall situation of the soil pollution of China is not optimistic, the soil pollution of partial areas is severe, the quality safety problem of agricultural products and the mass events caused by the soil pollution increase year by year, and the soil pollution becomes an important factor influencing the health of the masses and the social stability.
In order to investigate and monitor the soil environment, soil sampling and detection are indispensable steps in soil pollution prevention and control work, traditional artificial soil sampling usually consumes a long time for digging the soil, on one hand, the labor intensity of workers is increased, on the other hand, the soil can be damaged, and in the process of artificial sampling, the upper soil falls down to a sampling layer, so that the accuracy of soil analysis is interfered, the accuracy of an analysis result cannot be ensured, and a detection result is influenced; the sampling depth of the general sampling device can not meet the requirement, and the result of measurement is greatly influenced.
Disclosure of Invention
In order to solve the problems, the invention provides an accurate sampling system and a soil sampling method for soil environment monitoring, which can solve the problems that the traditional artificial soil sampling usually consumes a long time for digging the soil, on one hand, the labor intensity of workers is increased, on the other hand, the soil is damaged, and in the process of artificial sampling, the soil on the upper layer falls into a sampling layer, so that the accuracy of soil analysis is interfered, the accuracy of an analysis result cannot be ensured, the detection result is influenced, the sampling depth of general sampling equipment cannot meet the required requirement, the measurement result is greatly influenced, and the like.
In order to achieve the purpose, the invention adopts the following technical scheme that the accurate sampling system for monitoring the soil environment comprises a workbench, a soil sampling device, a depth display device and fixing devices, wherein a circular through hole is formed in the middle of the upper end of the workbench, the soil sampling device is installed on the circular through hole, the depth display device is installed at the front end above the workbench, and the fixing devices are symmetrically installed on the left side and the right side below the workbench; the soil of certain degree of depth can be got according to the requirement to the in-process of getting soil to the device that fetches earth, and the control sampling depth that degree of depth display device can be accurate guarantees the accuracy of experimental result, and fixing device can ensure that equipment is in steady state in the course of the work, can not deviate the operating position because of the shake, guarantees the sampling precision, and automatic soil sampling has reduced staff's intensity of labour, and labor efficiency is high.
Fixing device include electronic slider, dead lever and stationary dog, electronic slider through the sliding fit mode around the symmetry install on the lower extreme inner wall of workstation, install the dead lever between two electronic sliders, the lower extreme of dead lever is even installs the stationary dog, in operation, moves this system to operating position, electronic slider moves down and drives the dead lever and remove and insert this system with the stationary dog in earth, the fixing device of setting can ensure that equipment is in stable state in the course of the work, can not skew operating position because of the shake, has guaranteed the sampling precision.
The soil taking device comprises a soil taking hydraulic cylinder, a soil taking connecting plate, a soil taking motor, a soil taking rod, a soil taking mechanism, a soil taking drill, a spiral cutter, a hydraulic cylinder connecting table and a sliding column, wherein the sliding column is bilaterally symmetrically arranged on the workbench, a sliding groove is formed in the inner side of the sliding column, the soil taking connecting plate is arranged in the sliding groove formed in the inner side of the sliding column in a sliding fit mode, the hydraulic cylinder connecting table is arranged above the sliding column, the soil taking hydraulic cylinders are bilaterally symmetrically arranged at the lower end of the hydraulic cylinder connecting table, the top end of each soil taking hydraulic cylinder is connected to the soil taking connecting plate, the soil taking motor is arranged at the lower end of the soil taking connecting plate through a motor base, the soil taking rod is arranged on an output shaft of the soil taking motor through a flange, the soil taking rod is of a rigid solid structure, the soil taking mechanism is arranged on; the soil sampling drill is of a conical structure, and a spiral cutter is arranged on the outer wall of the soil sampling drill; the soil taking rod and the soil taking mechanism, and the soil taking mechanism and the soil taking drill are installed in a threaded fit mode; the soil taking mechanism comprises a soil taking cylinder, a direction regulating motor, a direction regulating rotary cylinder, a soil taking pipe, a piston, an electric push rod, a soil taking cylinder, a cylinder supporting table and a telescopic rod, wherein the soil taking cylinder is of a hollow steel structure, two round holes which correspond to each other are arranged on the circumferential outer wall of the lower end of the soil taking cylinder, the direction regulating motor is arranged at the lower end of the soil taking cylinder through a motor base, the direction regulating rotary cylinder is arranged on an output shaft of the direction regulating motor through a flange, the direction regulating rotary cylinder is in a hollow shell shape, two round holes which correspond to the round holes on the outer wall of the soil taking cylinder are arranged on the circumferential outer wall of the direction regulating rotary cylinder, the cylinder supporting table is arranged at the upper end of the soil taking cylinder, two symmetrical soil taking cylinders are arranged on the cylinder supporting table through pin shafts, the two soil taking cylinders are hinged through the telescopic rod, the two soil taking cylinders are in an 'eight' shape, the top end of the soil taking, the lower end of the soil sampling pipe is of a pointed structure, an electric push rod is arranged in the soil sampling pipe, and a piston is arranged at the top end of the electric push rod; the diameter of the piston is the same as the inner diameter of the soil sampling pipe; when the soil sampling device works, a soil sampling rod with a certain length is installed, a soil sampling motor works in cooperation with a soil sampling hydraulic cylinder to drive a soil sampling drill to rotate and bring a soil sampling mechanism to a soil position with a specified depth, a direction adjusting motor works to enable a hole in a direction adjusting rotary cylinder to correspond to a hole in a soil sampling cylinder, then the soil taking cylinder pushes the soil taking pipe to extend out of and be inserted into soil on two sides along the hole on the soil taking cylinder, at the moment, the soil is embedded into the soil taking pipe, the soil taking cylinder withdraws the soil taking pipe into the soil taking cylinder, the direction regulating motor works to stagger the hole on the direction regulating rotary cylinder and the hole on the soil taking cylinder to form a closed environment, the soil taking motor works in cooperation with the soil taking hydraulic cylinder to drive the soil taking drill to leave the soil, then transfer to motor work will transfer to the hole on the section of thick bamboo of spiraling and the hole on the section of thick bamboo of fetching earth mutually corresponding, the cylinder that fetches earth promotes the pipe of fetching earth and stretches out along the hole on the section of thick bamboo of fetching earth, and electric putter drives the piston and takes out the inside soil of the pipe of fetching earth along the motion of the pipe of fetching earth and put into the test tube. The spiral cutter that sets up on the geotome can be easier insert in soil, the hole of transferring to on revolving the section of thick bamboo can guarantee the accuracy of soil sampling process with the mutually supporting in hole on the section of thick bamboo of borrowing, avoid suffering the invasion of other soil when the geotome does not reach appointed sample depth and cause the inaccuracy of experimental result, the geotome lower extreme sets to the point form and guarantees to collect required soil sample in soil sampling, the piston of the inside setting of geotome can realize that inside soil sample is collected completely, avoid remaining the accuracy that influences the sample sampling of next time.
The depth display device comprises a U-shaped frame, a force measurement pressing plate, a pressure spring, a pressure connecting rod, a pressure sensor and a depth display screen, wherein a circular through hole is formed in the force measurement pressing plate, the rear end of the force measurement pressing plate is installed on a soil borrowing connecting plate, the left end and the right end of the force measurement pressing plate are installed on the U-shaped frame in a sliding fit mode, the pressure connecting rod is installed on the U-shaped frame and penetrates through the circular through hole in the force measurement pressing plate, the diameter of the pressure connecting rod is slightly smaller than that of the circular through hole in the force measurement pressing plate, the pressure spring is sleeved on the pressure connecting rod below the force measurement pressing plate, the pressure sensor is installed at the lower end of the pressure spring. When the device works, the force measuring pressure plate moves downwards to press the pressure spring downwards, the pressure spring is stressed, the pressure sensor on the workbench simultaneously receives the pressure, the pressure is converted into a sampling depth position through the assistance of a computer, and then the sampling depth is displayed on the depth display screen; the depth display device is used for converting the force received by the pressure sensor into the sampling depth, controlling the sampling depth situation in real time, enabling the sampling result to be more accurate and ensuring the authority of the detection result.
In addition, the invention also provides a soil sampling method of the accurate sampling system for monitoring the soil environment, which comprises the following steps:
1. the system is moved to a working position, the electric slide block moves downwards to drive the fixed rod to move, and the fixed claw is inserted into soil to fix the system;
2. then, a soil sampling rod with a certain length is installed according to the depth of soil to be sampled, a soil sampling motor is matched with a soil sampling hydraulic cylinder to work to drive a soil sampling drill to rotate, meanwhile, a force measuring pressing plate moves downwards to press a pressure spring downwards, the pressure spring is stressed, a pressure sensor on a workbench simultaneously receives the pressure, and the pressure is converted into the depth position of the sampling through the assistance of a computer;
3. then displaying the sampling depth on a depth display screen, bringing the soil sampling mechanism into a soil position with a specified depth by the aid of the depth display screen, and enabling a direction-adjusting motor to work to enable a hole in a direction-adjusting rotary cylinder to correspond to a hole in the soil sampling cylinder;
4. then the soil taking cylinder pushes the soil taking pipe to extend out of and be inserted into soil on two sides along the hole in the soil taking cylinder, at the moment, the soil can be embedded into the soil taking pipe, the soil taking cylinder withdraws the soil taking pipe into the soil taking cylinder, the direction regulating motor works to stagger the hole in the direction regulating rotary cylinder and the hole in the soil taking cylinder, a closed environment is formed, and the soil taking motor works in cooperation with the soil taking hydraulic cylinder to drive the soil taking drill to leave the soil;
5. then transfer to motor work will transfer to rotating the hole on the section of thick bamboo and the hole on the section of thick bamboo of borrowing to correspond to each other, the cylinder that fetches earth promotes the pipe of fetching earth and stretches out along the hole on the section of thick bamboo of fetching earth, and electric putter drives the piston and takes out the inside soil of the pipe of fetching earth along the motion of the pipe of fetching earth and put into the test tube, can realize the function of the accurate sample of soil.
The invention has the beneficial effects that:
the method can solve the problems that the traditional manual soil sampling usually consumes a long time for digging soil, on one hand, the labor intensity of workers is increased, on the other hand, the soil is damaged, and in the manual sampling process, the soil on the upper layer drops to a sampling layer, so that the accuracy of soil analysis is interfered, the accuracy of an analysis result cannot be ensured, in the manual soil sample storing and taking process, test tubes are easily disordered due to negligence, some soil detection can be influenced by air components, samples in the test tubes need to be isolated by air, test tube plugs are usually added to the test tubes manually, in the manual test tube plug adding process, due to the poor stability of manual operation, the test tubes are broken due to too large force, the personnel are often injured, or the test tube plugs are forgotten to be added due to negligence of people, and the like; the soil sample storage and taking device has the advantages of being capable of achieving the functions of automatic sampling and intelligent automatic soil sample storage and taking, capable of guaranteeing the accuracy of the soil sample, capable of orderly stacking test tubes, simple to operate, good in stability, low in labor intensity, high in working efficiency and the like;
secondly, the spiral cutter arranged on the soil sampling drill can be inserted into soil more easily to specify the sampling depth position;
the holes in the direction-adjusting rotary cylinder and the holes in the soil sampling cylinder are matched with each other, so that the accuracy of the soil sampling process can be ensured, and the inaccuracy of experimental results caused by the invasion of other soil when the soil sampling pipe does not reach the specified sampling depth is avoided;
the lower end of the soil sampling pipe is arranged to be pointed to ensure that a required soil sample can be collected in soil sampling, and a piston arranged in the soil sampling pipe can completely collect the internal soil sample, so that the influence of residue on the accuracy of next sample sampling is avoided;
fifthly, the set depth display device converts the force applied by the pressure sensor into sampling depth, controls the sampling depth condition in real time, enables the sampling result to be more accurate, and ensures the authority of the detection result;
sixthly, the arranged fixing device can ensure that the equipment is in a stable state in the working process, the working position cannot be deviated due to shaking, and the sampling precision is ensured.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the soil sampling mechanism of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 2, an accurate sampling system for soil environment monitoring comprises a workbench 1, an earth taking device 2, a depth display device 3 and a fixing device 4, wherein a circular through hole is formed in the middle of the upper end of the workbench 1, the earth taking device 2 is installed on the circular through hole, the depth display device 3 is installed at the front end above the workbench 1, and the fixing devices 4 are symmetrically installed on the left side and the right side below the workbench 1; soil sampling device 2 can get the soil of certain degree of depth at the in-process of getting soil according to the requirement, and the accuracy of experimental result is guaranteed to the control sampling depth that degree of depth display device 3 can be accurate, and fixing device 4 can ensure that equipment is in steady state in the course of the work, can not skew the operating position because of the shake, guarantees the sampling precision, and automatic soil sampling has reduced staff's intensity of labour, and labor efficiency is high.
The soil sampling device 2 comprises a soil sampling hydraulic cylinder 21, a soil sampling connecting plate 22, a soil sampling motor 23, a soil sampling rod 24, a soil sampling mechanism 25, a soil sampling drill 26, a spiral cutter 27, a hydraulic cylinder connecting table 28 and a sliding column 29, wherein the sliding column 29 is bilaterally symmetrically arranged on the workbench 1, a sliding groove is formed in the inner side of the sliding column 29, the soil sampling connecting plate 22 is arranged in the sliding groove formed in the inner side of the sliding column 29 in a sliding fit mode, the hydraulic cylinder connecting table 28 is arranged above the sliding column 29, the soil sampling hydraulic cylinders 21 are bilaterally symmetrically arranged at the lower end of the hydraulic cylinder connecting table 28, the top ends of the soil sampling hydraulic cylinders 21 are connected onto the soil sampling connecting plate 22, the soil sampling motor 23 is arranged at the lower end of the soil sampling connecting plate 22 through a motor base, the soil sampling rod 24 is arranged on an output shaft of the soil sampling motor 23 through a flange, the soil sampling rod 24 is of a rigid solid structure, the soil sampling mechanism 25 is provided with a soil sampling drill 26; the soil sampling drill 26 is of a conical structure, and a spiral cutter 27 is arranged on the outer wall of the soil sampling drill 26; the soil taking rod 24 and the soil taking mechanism 25, and the soil taking mechanism 25 and the soil taking drill 26 are installed in a threaded fit manner; the soil taking mechanism 25 comprises a soil taking barrel 251, a direction adjusting motor 252, a direction adjusting rotary barrel 253, a soil taking pipe 254, a piston 255, an electric push rod 256, a soil taking cylinder 257, a cylinder support table 258 and a telescopic rod 259, wherein the soil taking barrel 251 is of a hollow steel structure, two circular holes corresponding to each other are formed in the circumferential outer wall of the lower end of the soil taking barrel 251, the direction adjusting motor 252 is installed at the lower end of the soil taking barrel 251 through a motor base, the direction adjusting rotary barrel 253 is installed on the output shaft of the direction adjusting motor 252 through a flange, the direction adjusting rotary barrel 253 is of a hollow shell shape, two circular holes corresponding to the outer wall of the soil taking barrel 251 are formed in the circumferential outer wall of the direction adjusting rotary barrel 253, a cylinder support table 258 is installed at the upper end of the soil taking barrel 251, two symmetrical soil taking cylinders 257 are installed on the cylinder support table 258 through pin shafts, the two soil taking cylinders 257 are hinged through the telescopic rod 259, and the two soil taking cylinders 257 are, the top end of the soil sampling cylinder 257 is provided with a soil sampling pipe 254, the soil sampling pipe 254 is a hollow cylinder, the lower end of the soil sampling pipe 254 is in a pointed structure, an electric push rod 256 is arranged in the soil sampling pipe 254, and the top end of the electric push rod 256 is provided with a piston 255; the diameter of the piston 255 is the same as the inner diameter of the soil sampling pipe 254; during operation, a soil taking rod 24 with a certain length is installed, a soil taking motor 23 works in cooperation with a soil taking hydraulic cylinder 21 to drive a soil taking drill 26 to rotate and bring a soil taking mechanism 25 to a soil position with a specified depth, a direction adjusting motor 252 works to enable a hole in a direction adjusting rotary cylinder 253 to correspond to a hole in a soil taking cylinder 251, then the soil taking cylinder 257 pushes a soil taking pipe 254 to extend into soil on two sides along the hole in the soil taking cylinder 251, at the moment, the soil is embedded into the soil taking pipe 254, the soil taking cylinder 257 withdraws the soil taking pipe 254 into the soil taking cylinder 251, the direction adjusting motor 252 works to enable the hole in the direction adjusting rotary cylinder 253 to be staggered with the hole in the soil taking cylinder 251 to form a closed environment, the soil taking motor 23 works in cooperation with the soil taking hydraulic cylinder 21 to drive the soil taking drill 26 to leave the soil, then the direction adjusting motor 252 works to enable the hole in the direction adjusting rotary cylinder 253 to correspond to the hole in the soil taking cylinder 251, the soil taking cylinder 257 pushes the soil taking pipe 254 to extend out along, the electric push rod 256 drives the piston 255 to move along the soil sampling pipe 254, so that the soil inside the soil sampling pipe 254 is taken out and put into the test tube. The spiral cutter 27 that sets up on the geotome 26 can be easier insert in soil, the hole of transferring to on the rotary drum 253 can guarantee the accuracy of soil sampling process with the hole on the geotome 251 mutually supports, avoid suffering the invasion of other soil when geotome 254 does not reach appointed sample depth and causing the inaccuracy of experimental result, geotome 254 lower extreme sets to the point form and guarantees to collect required soil sample in soil sampling, the inside piston 255 that sets up of geotome 254 can realize that inside soil sample is collected completely, avoid remaining the accuracy that influences next sample sampling.
The depth display device 3 comprises a U-shaped frame 31, a force measurement pressing plate 32, a pressure spring 33, a pressure connecting rod 34, a pressure sensor 35 and a depth display screen 36, wherein a circular through hole is formed in the force measurement pressing plate 32, the rear end of the force measurement pressing plate 32 is installed on the soil taking connecting plate 22, the left end and the right end of the force measurement pressing plate 32 are installed on the U-shaped frame 31 in a sliding fit mode, the pressure connecting rod 34 is installed on the U-shaped frame 31 and penetrates through the circular through hole in the force measurement pressing plate 32, the diameter of the pressure connecting rod 34 is slightly smaller than that of the circular through hole in the force measurement pressing plate 32, the pressure spring 33 is sleeved on the pressure connecting rod 34 below the force measurement pressing plate 32, the pressure sensor 35 is installed at the lower end of the pressure spring 33, and the depth display screen. During working, the force measuring pressure plate 32 moves downwards to press the pressure spring 33 downwards, the pressure spring 33 bears pressure, the pressure sensor 35 on the workbench 1 simultaneously receives the pressure, the pressure is converted into a sampling depth position through the assistance of a computer, and then the sampling depth is displayed on the depth display screen 36; the depth display device 3 is converted into the sampling depth through the force received by the pressure sensor 35, the sampling depth condition is mastered in real time, the sampling result is more accurate, and the authority of the detection result is ensured.
In addition, the invention also provides a soil sampling method of the accurate sampling system for monitoring the soil environment, which comprises the following steps:
1. when the system is moved to a working position, the electric slide block 41 moves downwards to drive the fixing rod 42 to move, and the fixing claw 43 is inserted into soil to fix the system;
2. then, a soil sampling rod 24 with a certain length is installed according to the depth of soil to be sampled, the soil sampling motor 23 is matched with the soil sampling hydraulic cylinder 21 to work to drive the soil sampling drill 26 to rotate, meanwhile, the force measuring pressing plate 32 moves downwards to press the pressure spring 33 downwards, the pressure spring 33 bears the pressure, the pressure sensor 35 on the workbench 1 simultaneously receives the pressure, and the pressure is converted into the depth position of sampling through the assistance of a computer;
3. then the sampling depth is displayed on the depth display screen 36, the soil taking mechanism 25 is brought to the soil position with the specified depth by the aid of the depth display screen 36, and the direction adjusting motor 252 works to enable the holes in the direction adjusting rotary cylinder 253 to correspond to the holes in the soil taking cylinder 251;
4. then the soil taking cylinder 257 pushes the soil taking pipe 254 to extend out of and insert into the soil on two sides along the hole on the soil taking barrel 251, at the moment, the soil can be embedded into the soil taking pipe 254, the soil taking cylinder 257 takes the soil taking pipe 254 back into the soil taking barrel 251, the direction adjusting motor 252 works to stagger the hole on the direction adjusting rotary barrel 253 and the hole on the soil taking barrel 251, a closed environment is formed, and the soil taking motor 23 works in cooperation with the soil taking hydraulic cylinder 21 to drive the soil taking drill 26 to leave the soil;
5. then the hole that the motor 252 that transfers work will transfer to on the rotary drum 253 is corresponding to each other with the hole on the section of thick bamboo 251, the cylinder 257 that fetches earth promotes the soil pipe 254 and stretches out along the hole on the section of thick bamboo 251 that fetches earth, electric putter 256 drives piston 255 and takes out the soil of the inside of the section of thick bamboo 254 that fetches earth along the motion of the section of thick bamboo 254 of fetching earth and put into the test tube, the function of the accurate sample of soil has been realized, it often consumes long-time excavation soil to have solved traditional artifical soil sample, staff's intensity of labour has been increased on the one hand, on the other hand can cause the destruction to soil, and because the in-process of artifical sample, the soil that has the upper strata drops the sample layer, can cause the interference to soil analysis's accuracy like this, can not guarantee the accuracy of analysis result, influence problems.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a soil environment monitoring is with accurate sampling system, includes workstation (1), borrowing device (2), degree of depth display device (3) and fixing device (4), its characterized in that: circular through-hole has been seted up at the upper end middle part of workstation (1), circular through-hole on install device (2) of fetching earth, degree of depth display device (3) are installed to the top front end of workstation (1), fixing device (4) are installed to the below left and right sides symmetry of workstation (1), wherein:
the soil sampling device (2) comprises a soil sampling hydraulic cylinder (21), a soil sampling connecting plate (22), a soil sampling motor (23), a soil sampling rod (24), a soil sampling mechanism (25), a soil sampling drill (26), a spiral cutter (27), a hydraulic cylinder connecting table (28) and a sliding column (29), wherein the sliding column (29) is arranged on the workbench (1) in bilateral symmetry, a sliding groove is formed in the inner side of the sliding column (29), the soil sampling connecting plate (22) is arranged in the sliding groove formed in the inner side of the sliding column (29) in a sliding fit mode, the hydraulic cylinder connecting table (28) is arranged above the sliding column (29), the soil sampling hydraulic cylinder (21) is arranged at the lower end of the hydraulic cylinder connecting table (28) in bilateral symmetry, the top end of the soil sampling hydraulic cylinder (21) is connected to the soil sampling connecting plate (22), the soil sampling motor (23) is arranged at the lower end of the soil sampling connecting plate (22) through a, an output shaft of the soil taking motor (23) is provided with a soil taking rod (24) through a flange, the soil taking rod (24) is provided with a soil taking mechanism (25), and the soil taking mechanism (25) is provided with a soil taking drill (26); a spiral cutter (27) is arranged along the outer wall of the earth drill (26);
the soil sampling mechanism (25) comprises a soil sampling cylinder (251), a direction adjusting motor (252), a direction adjusting rotary cylinder (253), a soil sampling pipe (254), a piston (255), an electric push rod (256), a soil sampling cylinder (257), a cylinder support table (258) and a telescopic rod (259), wherein the soil sampling cylinder (251) is of a hollow steel structure, two round holes which correspond to each other are formed in the outer wall of the circumference of the lower end of the soil sampling cylinder (251), the direction adjusting motor (252) is installed at the lower end of the soil sampling cylinder (251) through a motor base, the direction adjusting rotary cylinder (253) is installed on an output shaft of the direction adjusting motor (252) through a flange, the cylinder support table (258) is installed at the upper end of the soil sampling cylinder (251), two symmetrical soil sampling cylinders (257) are installed on the cylinder support table (258) through pin shafts, the two soil sampling cylinders (257) are hinged through the telescopic rod (259), the soil sampling pipe (254) is installed at the top end, the soil sampling pipe (254) is a hollow cylinder, the lower end of the soil sampling pipe (254) is of a pointed structure, an electric push rod (256) is installed inside the soil sampling pipe (254), a piston (255) is installed at the top end of the electric push rod (256), and the diameter of the piston (255) is the same as the inner diameter of the soil sampling pipe (254);
the depth display device (3) comprises a U-shaped frame (31), a force measurement pressing plate (32), a pressure spring (33), a pressure connecting rod (34), a pressure sensor (35) and a depth display screen (36), wherein a circular through hole is formed in the force measurement pressing plate (32), the rear end of the force measurement pressing plate (32) is installed on the soil taking connecting plate (22), the left end and the right end of the force measurement pressing plate (32) are installed on the U-shaped frame (31) in a sliding fit mode, the pressure connecting rod (34) is installed on the U-shaped frame (31), the pressure connecting rod (34) penetrates through the circular through hole in the force measurement pressing plate (32), the diameter of the pressure connecting rod (34) is slightly smaller than that of the circular through hole in the force measurement pressing plate (32), the pressure spring (33) is sleeved on the pressure connecting rod (34) below the force measurement pressing plate (32), and the pressure sensor (35) is, the depth display screen (36) is arranged in the left front of the upper end of the workbench (1).
2. The accurate sampling system for soil environment monitoring according to claim 1, wherein: the soil taking rod (24) and the soil taking mechanism (25) and the soil taking drill (26) are installed in a threaded fit mode.
3. The accurate sampling system for soil environment monitoring according to claim 1, wherein: fixing device (4) include electronic slider (41), dead lever (42) and stationary dog (43), electronic slider (41) through sliding fit around the symmetry install on the lower extreme inner wall of workstation (1), install dead lever (42) between two electronic sliders (41), the even stationary dog (43) of installing of lower extreme of dead lever (42).
4. The accurate sampling system for soil environment monitoring according to claim 1, wherein: the soil sampling rod (24) is of a rigid solid structure.
5. The accurate sampling system for soil environment monitoring according to claim 1, wherein: the direction-adjusting rotary cylinder (253) is in a hollow shell shape, and two circular holes corresponding to the outer wall of the soil sampling cylinder (251) are formed in the circumferential outer wall of the direction-adjusting rotary cylinder (253).
6. The accurate sampling system for soil environment monitoring according to claim 1, wherein: the earth auger (26) is of a conical structure.
7. The accurate sampling system for soil environment monitoring according to claim 1, wherein: the two soil sampling air cylinders (257) are in a splayed shape.
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| CN110595826B (en) * | 2019-10-16 | 2021-09-21 | 江苏凯扬环境科技有限公司 | Soil sampling equipment for environmental engineering |
| CN110763509B (en) * | 2019-11-10 | 2024-02-09 | 成都赋阳技术开发有限公司 | Soil sampling and detecting device |
| CN110806334B (en) * | 2019-11-25 | 2022-02-01 | 浙江德稻工程咨询有限公司 | Wall material multiple spot sampling test device |
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