A soil environment testing sample sampling device

Abstract

The invention relates to the technical field of sample collection, and discloses a sample sampling device for soil environment detection, comprising a base plate for supporting the ground and a piercing column installed at the bottom of the base plate for piercing into the soil to maintain the balance of the device, wherein a device body is arranged on the top of the base plate, and the device body comprises: an adjusting device, which is installed on the top surface of the base plate, and the adjusting device is used to adjust the depth of soil sampling of the device body and adjust the angles of different sampling positions at the same horizontal position; a collecting device, which is arranged on the top of the adjusting device, and the collecting device is used to cooperate with the adjusting device to collect multiple samples at a single sampling position, and the device has the advantages of avoiding the situation that soils of different depths are mixed with each other after soil sampling and are difficult to separate, and it is difficult to take out the soil of the target depth for detection, thereby improving the accuracy of the detection result after sampling, and the device can collect samples at all angles at the same horizontal height, thereby improving the collection efficiency of soil samples.

Description

Technical Field

[0001] The present invention relates to the technical field of sample collection, and in particular to a sample sampling device for soil environment detection. Background Art

[0002] Soil sampling refers to the method of collecting soil samples, including the layout of the sampling and sampling technology. The collection of profile soil samples should be carried out after the profile observation and recording are completed. Before sampling, the profile should be repaired and cleaned, and the topmost layer of loose soil should be removed. Then samples should be taken from the central typical position layer by layer from top to bottom.

[0003] Publication No.: CN115993264A discloses a soil sampling device, characterized in that it comprises: a support frame for supporting on the ground, a connecting belt installed on the support frame and capable of moving in a horizontal direction relative to the support frame, the connecting belt having a sample unloading portion and a first through hole, a sampling barrel having a sampling cavity with an opening facing downward, the sampling barrel being able to pass through the first through hole, the sampling barrel being able to move in a vertical direction relative to the support frame and having a sampling position and a sample unloading position, when the sampling barrel is located at the sampling position, the sampling barrel can extend into the soil on the ground so that the soil adheres to the cavity wall of the sampling cavity, and when the sampling barrel is located at the sample unloading position, the sampling barrel is separated from the ground and located Above the connecting belt, the sample unloading part can move to the bottom of the sampling tube so that the soil in the sampling cavity can fall onto the sample unloading part. The device can directly observe the soil on the sample unloading part to complete the preliminary detection of the soil. However, in actual use, the device and the existing soil sample collection device do not stratify the soil when collecting the soil, so that the user needs to separate the soil later to detect the data of the soil environment at different depths. The step of separating the soil is time-consuming and laborious, and the soil at different depths in the sampling device is mixed for a long time, which easily leads to the mixing of soil at different depths, resulting in inaccurate environmental data detection results for the soil at different depths, which is not conducive to user use. Summary of the invention

[0004] In view of the shortcomings of the prior art, the present invention provides a sample sampling device for soil environment testing, which has the advantages of avoiding the situation where soils of different depths are mixed with each other and difficult to separate after soil sampling, and it is difficult to take out the soil of the target depth for testing, thereby improving the accuracy of the test results after sampling. The device can collect samples at all angles at the same horizontal height, thereby improving the collection efficiency of soil samples.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: A sample sampling device for soil environment detection, comprising: a bottom plate, a piercing column, an adjusting device, a first rotation drive component, a first screw, a push rod, a turntable, a collecting device, a second rotation drive component, a rotating shaft, a top plate, a first movable wheel, a second movable wheel, a shaft, a movable belt, a gear, a first slot, a chuck, a clamping plate, an adjusting rod, a limit plate, a second screw, a stretching rod, a hole opener, a mounting hole, a snap ring, a hole opening head, a sampling tube, a depth groove, a stratification device, an output rod, a fixing plate, a slide groove, a slide plate, a card plate, a second slot, a first combination block, a second combination block, a card block, a stratification sheet, and an equipment body.

[0006] The positions and connection relationships of the above structures are as follows: A soil environment detection sample sampling device includes a base plate for supporting the ground and a piercing column installed at the bottom of the base plate for piercing into the soil to maintain the balance of the device. The top of the base plate is provided with a device body, and the device body includes:

[0007] An adjustment device, which is mounted on the top surface of the bottom plate, and is used to adjust the depth of soil sampling of the main body of the equipment and to adjust the angles of different sampling positions at the same horizontal position;

[0008] A collecting device is arranged on the top of the adjusting device, and is used to cooperate with the adjusting device to collect multiple samples at a sampling position at a time, and the collected samples can be easily taken out and stored in the collecting device;

[0009] The stratification device is installed on the top side of the collection device. The stratification device is used to cooperate with the collection device to stratify and store the collected soil samples according to their different depths underground, so that soil samples at a specific depth can be easily taken out in subsequent use without being mixed with soil samples at other depths.

[0010] Preferably, the adjusting device includes a first rotary drive component, the top output end of the first rotary drive component is fixedly connected to a first screw rod, a push rod is arranged on the top of the first screw rod, an internal screw hole matched with the first screw rod is opened inside the push rod, the internal screw hole extends to the inside of the push rod, the push rod is threadedly connected to the top of the first screw rod through the internal screw hole, and a turntable is fixedly connected to the top of the push rod to provide power for the device to move the hole opener down to collect soil samples.

[0011] Preferably, the collection device includes a second rotary drive assembly, which is installed inside the collection device, the bottom output end of the second rotary drive assembly is fixedly connected to a rotating shaft, the bottom of the second rotary drive assembly is fixedly connected to a top plate, the rotating shaft extends to the bottom outer side of the top plate, and the top of the turntable is fixedly connected to the bottom of one side of the top plate to provide power for the device to collect soil samples.

[0012] Preferably, the collection device also includes a first movable wheel, which is installed at the bottom of the rotating shaft. A second movable wheel is arranged at the front end of the first movable wheel. The first movable wheel and the second movable wheel close to the first movable wheel are movably connected through a movable belt. The second movable wheel can be added according to the actual collection situation. The device can complete the collection of multiple soil samples at one time.

[0013] Preferably, the collecting device also includes two gears, which are respectively arranged at the bottom of both sides of the top plate and the two gears are meshed with each other, the tops of the two gears are fixedly connected with shaft rods and one of the gears is fixedly connected to the second movable wheel through the shaft rod, the shaft rod at the second movable wheel extends to the outside of the top of the second movable wheel, the tops of the two shaft rods are rotatably connected to the two sides of the bottom of the top plate respectively, a first slot is provided at the bottom of the gear, a plurality of stretching rods are fixedly connected to the bottom of the gear, a hole opener is provided at the bottom of the stretching rod and the stretching rod is sleeved inside the hole opener, a chuck is fixedly connected at the bottom center of the two gears, a second screw is provided on the outside of the left and right ends of the chuck and the second screw extends to the inside of the chuck, the part of the second screw extending to the chuck is threadedly connected with an adjusting rod compatible with the second screw, the end of the adjusting rod away from the second screw is fixedly connected with a splint, and the end of the adjusting rod close to the second screw is fixedly connected with a limiting disk to ensure the normal operation of the device.

[0014] Preferably, a mounting hole is provided inside the hole opener, a clamping ring adapted to the first clamping groove is fixedly connected to the top of the hole opener, a hole opening head is fixedly connected to the bottom of the hole opener and the mounting hole extends to the outside of the bottom of the hole opening head, so as to ensure the normal operation of the sampling tube in collecting samples.

[0015] Preferably, the collection device further comprises a sampling cylinder, a plurality of depth grooves are provided on the outer surface of the sampling cylinder, and the bottom of the sampling cylinder is not closed to ensure the normal operation of the device.

[0016] Preferably, the stratification device includes a linear drive assembly, which is installed inside the stratification device, and the output end of the linear drive assembly is fixedly connected to an output rod, and the end of the output rod away from the stratification device is fixedly connected to a fixed plate, and the front and rear end surfaces of the fixed plate are provided with sliding grooves, and the bottom of the fixed plate is slidably connected to a slide plate through the slide groove part of the fixed plate, which is used to provide power for stratifying soil samples after sample collection, and a limiting device is provided in the slide groove, which is used to limit the slide plate to prevent it from slipping during sample collection.

[0017] Preferably, a clamping plate is fixedly connected to the front and rear surfaces of one side of the slide plate, and a second clamping groove is provided on the front and rear sides of one end of the clamping plate away from the fixed plate for stratifying the soil sample.

[0018] Preferably, the stratification device also includes a plurality of first assembly blocks and two second assembly blocks, wherein the first assembly blocks and the second assembly blocks are both arranged on the right side of the card plate, the plurality of first assembly blocks can be mutually snapped together, and the top and bottom of the combined first assembly blocks are movably connected to the second assembly blocks, the first assembly blocks and the second assembly blocks are both fixedly connected to the card blocks at one end close to the second card slot, and the first assembly blocks and the second assembly blocks are both fixedly connected to the stratification sheets adapted to the depth slot at one end away from the card plate, which are used for stratifying the soil samples during storage to avoid mixing of soil samples at different depths when the soil samples are taken out, resulting in reduced detection accuracy. Beneficial Effects

[0019] 1. The soil environment testing sample sampling device can facilitate users to insert the sampling tube into the soil for soil collection by opening the collection device, and complete the stratification of soil samples at different depths by opening the stratification device, so as to avoid the situation that soils at different depths are mixed with each other after soil sampling, and it is difficult to separate and take out the soil at the target depth for testing, thereby improving the accuracy of the test results after sampling.

[0020] 2. The soil environment detection sample sampling device can realize that the user can detect the soil samples at the target depth according to their own needs by disassembling the first assembly block and the second assembly block, thereby reducing the labor intensity of the user to separate the target soil, avoiding the mixing of soil samples at different depths when taking out the soil samples, resulting in reduced detection accuracy, and facilitating user use.

[0021] 3. The soil environment detection sampling device uses two hole openers and a sampling tube to collect multiple soil samples at the same horizontal position. The above steps can be repeated after the top plate is rotated to different angles using a turntable, thereby completing the collection of soil samples at different positions at the same horizontal height without moving the bottom plate. The device can collect samples at all angles at the same collection point, thereby improving the collection efficiency of soil samples and facilitating user use. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the appearance structure of a soil environment detection sample sampling device of the present invention;

[0023] Figure 2 It is a side view structural schematic diagram of a sample sampling device for soil environment detection of the present invention;

[0024] Figure 3 This is a schematic diagram of the internal structure of an adjusting device of a soil environment detection sample sampling device of the present invention;

[0025] Figure 4 This is a schematic diagram of the internal structure of a sample sampling device for soil environment detection of the present invention;

[0026] Figure 5 This is a schematic diagram of the structure of a hole opener for a sample sampling device for soil environment detection according to the present invention;

[0027] Figure 6 This is a schematic diagram of the internal structure of a chuck of a sample sampling device for soil environment detection according to the present invention;

[0028] Figure 7 This is a schematic diagram of the structure of a layered device for a soil environment detection sample sampling device of the present invention;

[0029] Figure 8 The present invention is a schematic diagram of a card plate structure of a sample sampling device for soil environment detection.

[0030] In the figure: 1, bottom plate; 10, piercing column; 2, adjusting device; 20, first rotary drive assembly; 21, first screw rod; 22, push rod; 23, turntable; 3, collecting device; 30, second rotary drive assembly; 300, rotating shaft; 31, top plate; 32, first movable wheel; 33, second movable wheel; 330, shaft rod; 34, movable belt; 35, gear; 350, first slot; 351, chuck; 352, clamping plate; 353, adjusting rod; 354. Limiting plate; 355. Second screw rod; 36. Stretching rod; 37. Hole opener; 370. Mounting hole; 371. Snap ring; 372. Hole opener; 38. Sampling tube; 380. Depth groove; 4. Layering device; 40. Output rod; 41. Fixing plate; 410. Slide groove; 42. Slide plate; 43. Clamping plate; 430. Second clamping groove; 44. First assembly block; 45. Second assembly block; 46. Clamping block; 47. Layering sheet; 5. Equipment body. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Embodiment 1

[0032] See also Figure 1-Figure 8 A soil environment detection sample sampling device includes a base plate 1 for supporting the ground and a piercing column 10 installed at the bottom of the base plate 1 for piercing into the soil to maintain the balance of the device. The top of the base plate 1 is provided with a device body 5, and the device body 5 includes:

[0033] An adjusting device 2, which is mounted on the top surface of the bottom plate 1, and is used to adjust the depth of soil sampling of the equipment body 5 and to adjust the angles of different sampling positions at the same horizontal position;

[0034] A collecting device 3 is arranged on the top of the adjusting device 2, and is used to cooperate with the adjusting device 2 to collect multiple samples at a sampling position at a time, and the collected samples are conveniently taken out and stored from the collecting device 3;

[0035] The stratification device 4 is installed on one side of the top of the collection device 3. The stratification device 4 is used to cooperate with the collection device 3 to stratify and store the collected soil samples according to their different depths underground, so that soil samples at a specific depth can be easily taken out in subsequent use without being mixed with soil samples at other depths.

[0036] The adjusting device 2 includes a first rotary drive component 20, the top output end of the first rotary drive component 20 is fixedly connected to a first screw rod 21, a push rod 22 is arranged on the top of the first screw rod 21, an inner screw hole matched with the first screw rod 21 is opened inside the push rod 22, the inner screw hole extends to the inside of the push rod 22, the push rod 22 is threadedly connected to the top of the first screw rod 21 through the inner screw hole, and a turntable 23 is fixedly connected to the top of the push rod 22 to provide power for the device to move the hole opener 37 downward to collect soil samples. Embodiment 2

[0037] See also Figure 1-Figure 8 Further on the basis of the first embodiment, the collection device 3 includes a second rotary drive assembly 30, which is installed inside the collection device 3, the bottom output end of the second rotary drive assembly 30 is fixedly connected with a rotating shaft 300, the bottom of the second rotary drive assembly 30 is fixedly connected with a top plate 31, the rotating shaft 300 extends to the bottom outer side of the top plate 31, and the top of the turntable 23 is fixedly connected to the bottom of one side of the top plate 31, providing power for the device to collect soil samples.

[0038] The collection device 3 also includes a first movable wheel 32, which is installed at the bottom of the rotating shaft 300. A second movable wheel 33 is arranged at the front end of the first movable wheel 32. The first movable wheel 32 and the second movable wheel 33 close to the first movable wheel 32 are movably connected through a movable belt 34. The second movable wheel 33 can be added according to the actual collection situation. The device can complete the collection of multiple soil samples at one time.

[0039] Preferably, the collecting device 3 also includes two gears 35, which are respectively arranged at the bottom of both sides of the top plate 31 and the two gears 35 are meshed and connected with each other. The tops of the two gears 35 are fixedly connected with shafts 330 and one of the gears 35 is fixedly connected with the second movable wheel 33 through the shaft 330. The shaft 330 at the second movable wheel 33 extends to the top outer side of the second movable wheel 33. The tops of the two shafts 330 are rotatably connected to the two sides of the bottom of the top plate 31 respectively. The bottom of the gear 35 is provided with a first slot 350. The bottom of the gear 35 is fixedly connected with a plurality of stretching rods 36. The bottom of the stretching rod 36 A hole opener 37 is provided and a stretching rod 36 is sleeved inside the hole opener 37, a chuck 351 is fixedly connected to the bottom center of the two gears 35, a second screw 355 is provided on the outer side of the left and right ends of the chuck 351, and the second screw 355 extends to the inside of the chuck 351, and the part of the second screw 355 extending to the chuck 351 is threadedly connected with an adjusting rod 353 adapted to the second screw 355, and the end of the adjusting rod 353 away from the second screw 355 is fixedly connected with a clamping plate 352, and the end of the adjusting rod 353 close to the second screw 355 is fixedly connected with a limiting disk 354 to ensure the normal operation of the device.

[0040] A mounting hole 370 is provided inside the hole opener 37, a retaining ring 371 adapted to the first retaining groove 350 is fixedly connected to the top of the hole opener 37, a hole opening head 372 is fixedly connected to the bottom of the hole opener 37 and the mounting hole 370 extends to the outside of the bottom of the hole opening head 372, so as to ensure the normal operation of the sampling tube 38 in collecting samples. Embodiment 3

[0041] See also Figure 1-Figure 8 On the basis of the second embodiment, the collection device 3 further includes a sampling cylinder 38, and a plurality of depth grooves 380 are provided on the outer surface of the sampling cylinder 38. The bottom of the sampling cylinder 38 is not closed to ensure the normal operation of the device.

[0042] The stratification device 4 includes a linear drive component, which is installed inside the stratification device 4. The output end of the linear drive component is fixedly connected to an output rod 40. The end of the output rod 40 away from the stratification device 4 is fixedly connected to a fixed plate 41. The front and rear end surfaces of the fixed plate 41 are provided with slide grooves 410. The bottom of the fixed plate 41 is slidably connected to a slide plate 42 through the slide groove 410 of the fixed plate 41, which is used to provide power for stratifying soil samples after sample collection.

[0043] A clamping plate 43 is fixedly connected to the front and rear surfaces of one side of the slide plate 42 . The front and rear sides of one end of the clamping plate 43 away from the fixed plate 41 are provided with second clamping grooves 430 for stratifying soil samples.

[0044] The stratification device 4 also includes a plurality of first assembly blocks 44 and two second assembly blocks 45, wherein the first assembly blocks 44 and the second assembly blocks 45 are both arranged on the right side of the card plate 43, and the plurality of first assembly blocks 44 can be mutually snapped together, and the top and bottom of the first assembly blocks 44 after assembly are movably connected to the second assembly blocks 45, and the ends of the first assembly blocks 44 and the second assembly blocks 45 close to the second card slot 430 are both fixedly connected to the card block 46, and the ends of the first assembly blocks 44 and the second assembly blocks 45 away from the card plate 43 are both fixedly connected to the stratification sheets 47 adapted to the depth groove 380, which are used for stratifying the soil samples during storage to avoid mixing of soil samples at different depths when the soil samples are taken out, resulting in reduced detection accuracy.

[0045] Working principle: The piercing column 10 is inserted into the soil so that the bottom plate 1 can be flush with the soil surface. In the initial state, the sampling cylinder 38 is clamped in the chuck 351 and the hole opener 37 and the gear 35 are separated from each other. At this time, the sampling cylinder 38 is suspended at the top of the mounting hole 370. The length of the sampling cylinder 38 is smaller than the distance from the chuck 351 to the hole opener 37. The gear 35 and the hole opener 37 are manually clamped with the first clamping groove 350 through the clamping ring 371, and then the second rotary drive component 30 is turned on. The second rotary drive component 30 is turned on to drive the rotating shaft 300 to rotate. The rotation of the rotating shaft 300 drives the first movable wheel 32, the movable belt 34 and the second movable wheel 33 to rotate. The first movable wheel 32 The second movable wheel 33 rotates to drive the two gears 35 and the hole opener 37 to rotate, and then the first rotary drive assembly 20 is turned on to drive the first screw 21 to rotate. The rotation of the first screw 21 drives the push rod 22, the turntable 23 and the top plate 31 to move downward. The downward movement of the top plate 31 drives the two hole openers 37 to move downward to the soil. As the top plate 31 continues to move, the hole opener 37 opens a hole inside the soil and gradually moves downward. Since the bottom of the hole opener 37 is not closed, the sampling tube 38 inside the hole opener 37 collects soil samples during the downward movement. The air inside the soil sample is squeezed out through the depth groove 380 and compacted to make it adhere to the inside of the sampling tube 38, so as to avoid affecting the subsequent positive sampling of the soil sample. During regular inspection, the hole opening head 372 of the hole opener 37 is completely drilled into the soil, that is, the soil inside the sampling tube 38 is collected. The first rotary drive assembly 20 is reversed to reset the above device, and then the hole opener 37 and the gear 35 are pulled apart again through the stretching rod 36, the snap ring 371 and the first snap groove 350. The sample tube is adjusted in advance to have the depth groove 380 facing the card plate 43, and the limiting device of the slide groove 410 of the fixed plate 41 is released. At this time, the slide plate 42 and the card plate 43 move down to the maximum distance, and the layering sheet 47 at the first assembly block 44 and the second assembly block 45 faces the depth groove 380, and then the linear drive assembly in the layering device 4 is opened, and the linear drive assembly drives the output rod 40, the fixed plate 41 and The two clamping plates 43 move toward the sample barrel until the stratification sheet 47 is cut into the depth groove 380 to complete the stratification of the soil sample at different depths, and the first assembly block 44 and the second assembly block 45 are separated by the clamping block 46 and the second clamping groove 430, and then the second screw 355 is manually rotated. The rotation of the second screw 355 drives the push rod 22 to move to increase the distance between the two clamping plates 352. The user can now normally take out the sampling barrel 38 from the chuck 351. The taken out sampling barrel 38 is now stratified at different depths by the stratification sheet 47, so as to avoid the soil of different depths being mixed with each other after soil sampling, and it is difficult to separate and take out the target depth soil for detection, thereby improving the accuracy of the detection result after sampling;

[0046] After the sampling tube 38 is taken out, the first assembly block 44, the second assembly block 45 and the layered sheet 47 are still left in the sampling tube 38. When the user tests the soil at different depths, the second assembly block 45 at the bottom can be removed and the deepest soil sample can be poured into an external container. Then the first assembly block 44 near the second assembly block 45 can be removed and the soil sample at the second deepest point can be poured into another external container. All soil samples at different depths can be taken out by analogy. The user can test the soil samples at the target depth according to his own needs, thereby reducing the labor intensity of the user to separate the target soil and avoiding the mixing of soil samples at different depths when taking out the soil samples, which leads to a decrease in the accuracy of the test, and is convenient for the user to use;

[0047] The device uses two hole openers 37 and a sampling tube 38 to collect multiple soil samples at the same horizontal position, and collects comparative samples of soil samples at the same target location. After the collection, the device can connect a new sampling tube 38 through the chuck 351, and connect a new first assembly block 44 and a second assembly block 45 to the chuck 43 for re-sampling. The above steps can be repeated after the top plate 31 is rotated to different angles using the turntable 23, thereby completing the collection of soil samples at different positions at the same horizontal height without moving the bottom plate 1. The device can collect samples at all angles at the same collection point, thereby improving the collection efficiency of soil samples and facilitating user use.

[0048] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A soil environment detection sample sampling device, comprising a base plate (1) for supporting the ground and a piercing column (10) installed at the bottom of the base plate (1) for piercing into the soil to maintain the balance of the device, characterized in that: A device body (5) is arranged on the top of the bottom plate (1), and the device body (5) comprises: An adjusting device (2) is mounted on the top surface of the bottom plate (1), and is used to adjust the depth of soil sampling of the device body (5) and to adjust the angles of different sampling positions at the same horizontal position; A collecting device (3) is arranged on the top of the regulating device (2), and is used to cooperate with the regulating device (2) to collect a plurality of samples at a sampling position at a time, and the collected samples can be easily taken out and stored in the collecting device (3); A stratification device (4) is installed on one side of the top of the collection device (3). The stratification device (4) is used to cooperate with the collection device (3) to stratify and store the collected soil samples according to their different depths underground, so that soil samples at a specific depth can be easily taken out during subsequent use without mixing with soil samples at other depths; The adjusting device (2) comprises a first rotary drive assembly (20), the top output end of the first rotary drive assembly (20) being fixedly connected to a first screw rod (21), the top of the first screw rod (21) being provided with a push rod (22), the inside of the push rod (22) being provided with an internal screw hole matched with the first screw rod (21), the internal screw hole extending to the inside of the push rod (22), the push rod (22) being threadedly connected to the top of the first screw rod (21) through the internal screw hole, and the top of the push rod (22) being fixedly connected to a turntable (23); The collecting device (3) comprises a second rotary drive assembly (30) which is installed inside the collecting device (3); a rotating shaft (300) is fixedly connected to the bottom output end of the second rotary drive assembly (30); a top plate (31) is fixedly connected to the bottom of the second rotary drive assembly (30); the rotating shaft (300) extends to the outside of the bottom of the top plate (31); and the top of the turntable (23) is fixedly connected to the bottom of one side of the top plate (31); The collecting device (3) further comprises a first movable wheel (32) which is mounted at the bottom of the rotating shaft (300); a second movable wheel (33) is arranged at the front end of the first movable wheel (32); the first movable wheel (32) and the second movable wheel (33) close to the first movable wheel (32) are movably connected via a movable belt (34); The collecting device (3) further comprises two gears (35), which are respectively arranged at the bottom of both sides of the top plate (31) and the two gears (35) are meshed with each other, the tops of the two gears (35) are fixedly connected to shafts (330) and one of the gears (35) is fixedly connected to the second movable wheel (33) via the shaft (330), the shaft (330) at the second movable wheel (33) extends to the outside of the top of the second movable wheel (33), the tops of the two shafts (330) are respectively rotatably connected to the two sides of the bottom of the top plate (31), the bottom of the gear (35) is provided with a first slot (350), the bottom of the gear (35) is fixedly connected to a plurality of stretching rods (36), the stretching rods (36) A hole opener (37) is provided at the bottom and a stretching rod (36) is sleeved inside the hole opener (37). A chuck (351) is fixedly connected at the center of the bottom of the two gears (35). Second screw rods (355) are provided on the outer sides of the left and right ends of the chuck (351). The second screw rods (355) extend into the interior of the chuck (351). The portion of the second screw rod (355) extending into the chuck (351) is threadedly connected to an adjusting rod (353) matched with the second screw rod (355). One end of the adjusting rod (353) away from the second screw rod (355) is fixedly connected to a clamping plate (352), and one end of the adjusting rod (353) close to the second screw rod (355) is fixedly connected to a limiting disk (354).

2. A soil environment detection sampling device according to claim 1, characterized in that: The hole opener (37) has a mounting hole (370) formed inside, a clamping ring (371) adapted to the first clamping groove (350) is fixedly connected to the top of the hole opener (37), a hole opening head (372) is fixedly connected to the bottom of the hole opener (37), and the mounting hole (370) extends to the outside of the bottom of the hole opening head (372).

3. A soil environment detection sampling device according to claim 2, characterized in that: The collection device (3) further comprises a sampling barrel (38), the outer surface of the sampling barrel (38) being provided with a plurality of depth grooves (380), and the bottom of the sampling barrel (38) being not sealed.

4. A soil environment detection sampling device according to claim 1, characterized in that: The layering device (4) comprises a linear drive assembly, which is installed inside the layering device (4); an output end of the linear drive assembly is fixedly connected to an output rod (40); an end of the output rod (40) away from the layering device (4) is fixedly connected to a fixed plate (41); a front end and a rear end surface of the fixed plate (41) are provided with a slide groove (410); and a bottom of the fixed plate (41) is slidably connected to a slide plate (42) through the slide groove (410) of the fixed plate (41).

5. A soil environment detection sampling device according to claim 4, characterized in that: A clamping plate (43) is fixedly connected to the front and rear surfaces of one side of the slide plate (42), and a second clamping groove (430) is provided on the front and rear sides of one end of the clamping plate (43) away from the fixed plate (41).

6. A soil environment detection sampling device according to claim 5, characterized in that: The layering device (4) further comprises a plurality of first assembly blocks (44) and two second assembly blocks (45), wherein the first assembly blocks (44) and the second assembly blocks (45) are both arranged on the right side of the card plate (43), the plurality of first assembly blocks (44) are mutually clamped and the top and bottom of the assembled first assembly blocks (44) are both movably connected to the second assembly blocks (45), the ends of the first assembly blocks (44) and the second assembly blocks (45) close to the second clamping slot (430) are both fixedly connected to the clamping blocks (46), and the ends of the first assembly blocks (44) and the second assembly blocks (45) away from the card plate (43) are both fixedly connected to the layering sheets (47) adapted to the depth slot (380).

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