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CN-117760780-B - Soil sampler for soil monitoring and use method

CN117760780BCN 117760780 BCN117760780 BCN 117760780BCN-117760780-B

Abstract

The application discloses a soil sampler for soil monitoring and a use method thereof, and the soil sampler comprises a bottom plate, a sampling tube, a sampling structure, a first threaded shaft, a connecting structure, a first guide post, a mounting plate and an adjusting structure, wherein the sampling structure comprises a connecting plate, the sampling tube is positioned below the connecting plate, the connecting plate is fixedly connected with the bottom end of the first threaded shaft, the top end of the sampling tube is fixedly connected with the first connecting post, a first side hole is formed in the side surface of the top end of the first connecting post, a second connecting groove is formed in the bottom end of the first threaded shaft, the top end of the first connecting post penetrates through the connecting plate, the top end of the first connecting post penetrates through the inside of the second connecting groove, the tail end of a fixing bolt sequentially penetrates through the side surface of the bottom end of the first threaded shaft and the first side hole, and the tail end of the fixing bolt is in threaded connection with a fixing nut. The soil sampler is arranged into structures such as a bottom plate, a fixed rod, a first guide column, a first threaded shaft, a mounting plate and the like, and is convenient to move and transport.

Inventors

  • LI ZHENLIN
  • ZHANG FEN
  • XU LIYUAN
  • WANG ZIBO
  • WANG CHONGSHAN
  • YU JIANYE
  • XIA YU

Assignees

  • 兰州大学

Dates

Publication Date
20260505
Application Date
20231221

Claims (6)

  1. 1. The soil sampler for soil monitoring is characterized by comprising a bottom plate (1), a sampling tube (4), a sampling structure, a first threaded shaft (7), a connecting structure, a first guide column (8), a mounting plate (9) and an adjusting structure; The sampling structure comprises a connecting plate (5), wherein the sampling tube (4) is positioned below the connecting plate (5), the connecting plate (5) is fixedly connected with the bottom end of a first threaded shaft (7), a first connecting column (27) is fixedly connected with the top end of the sampling tube (4), a first side hole (271) is formed in the side surface of the top end of the first connecting column (27), a second connecting groove (73) is formed in the bottom end of the first threaded shaft (7), the top end of the first connecting column (27) penetrates through the connecting plate (5), the top end of the first connecting column (27) penetrates through the inside of the second connecting groove (73), the tail end of a fixing bolt (3) sequentially penetrates through the side surface of the bottom end of the first threaded shaft (7) and the first side hole (271), and a fixing nut (28) is connected with the tail end of the fixing bolt (3) in a threaded manner. The connecting structure comprises a second threaded shaft (20) and a threaded pin shaft (33), wherein a second connecting column (32) is fixedly connected to the bottom end of the second threaded shaft (20), a first connecting groove (72) is formed in the top end of the first threaded shaft (7), the bottom end of the second connecting column (32) is clamped inside the first connecting groove (72), a second side hole (321) is formed in the side face of the second connecting column (32), a threaded cavity (31) is formed in the side face of the top end of the first threaded shaft (7), the threaded pin shaft (33) penetrates through the second side hole (321), and the threaded pin shaft (33) is in threaded connection with the threaded cavity (31); the adjusting structure comprises a sleeve (15), wherein the sleeve (15) penetrates through the mounting plate (9), the sleeve (15) is rotationally connected with the mounting plate (9), the first threaded shaft (7) is sleeved inside the sleeve (15), a first nut (16) and a second nut (23) are respectively arranged at two ends of the sleeve (15), the first nut (16) and the second nut (23) are in threaded connection with the first threaded shaft (7), a limit groove (71) is formed in the surface of the first threaded shaft (7), a limit block (151) is fixedly connected to the inner side wall of the sleeve (15), and the limit block (151) is clamped inside the limit groove (71); The bottom plate (1) is of an arc-shaped structure, a connecting hole (25) is formed in the upper surface of the bottom plate (1), a fixing rod (2) is arranged below the connecting hole (25), the bottom end of the fixing rod (2) is of a conical structure, and a thread groove (13) is formed in the top end of the fixing rod (2), a thread column (30) is fixedly connected to the bottom end of the first guide column (8), and the bottom end of the thread column (30) penetrates through the connecting hole (25) and is in threaded connection with the thread groove (13); The number of the first guide posts (8) is three, the three first guide posts (8) are symmetrically distributed above the bottom plate (1), a side plate (6) is fixedly connected to the side surface of the bottom end of the first guide post (8), a positioning block (24) is fixedly connected to the lower surface of the side plate (6), a second positioning hole (34) is formed in the upper surface of the bottom plate (1), and the positioning block (24) is clamped inside the second positioning hole (34); A second guide column (18) is arranged above the first guide column (8), a thread groove (13) is formed in the top end of the first guide column (8), a thread column (30) is fixedly connected to the bottom end of the second guide column (18), and the thread column (30) is in threaded connection with the thread groove (13); the novel electric motor is characterized in that an expansion plate (12) is fixedly connected to the side face of the mounting plate (9), a mounting box (11) is fixedly connected to the lower surface of the expansion plate (12), a first motor (10) is fixedly connected to one side of the mounting box (11), a third gear (29) is arranged in the mounting box (11), the third gear (29) is sleeved on the surface of the output end of the first motor (10), tooth grooves (14) are formed in the side faces of the first guide column (8) and the second guide column (18), and the third gear (29) is connected with the tooth grooves (14) in a meshed mode.
  2. 2. The soil sampler for soil monitoring according to claim 1, wherein: the utility model discloses a motor, including mounting panel (9), second motor (17) upper surface rigid coupling, second motor (17) output runs through to mounting panel (9) below, second motor (17) output surface has cup jointed second gear (22), sleeve (15) bottom surface has cup jointed first gear (21), just first gear (21) with second gear (22) meshing is connected.
  3. 3. The soil sampler for soil monitoring according to claim 2, wherein: The utility model discloses a motor vehicle protection device, including extension board (12), first screw shaft (7), second screw shaft (20), first screw shaft (7), spacing groove (71) have all been opened to first screw shaft (7) with sleeve (15) sliding connection, first gear (21) with second gear (22) below is equipped with protecting crust (19), protecting crust (19) both ends with extension board (12) lower surface rigid coupling, just first screw shaft (7) bottom runs through protecting crust (19).
  4. 4. A soil sampler for soil monitoring according to claim 3 and characterized in that: The end face of the connecting plate (5) is of a circular structure, four first positioning holes (51) are annularly distributed on the lower surface of the connecting plate (5), four positioning columns (26) are annularly distributed on the top end of the sampling tube (4), and the top ends of the positioning columns (26) are clamped inside the first positioning holes (51).
  5. 5. The soil sampler for soil monitoring of claim 4, wherein: The cross sections of the first connecting column (27) and the second connecting column (32) are rectangular structures, the threaded pin shafts (33) and the second connecting column (32) are vertically distributed, and the two ends of the threaded pin shafts (33) are provided with operation grooves (331).
  6. 6. A method for using the soil sampler for soil monitoring according to claim 5, characterized in that the method comprises the following steps: S1, firstly assembling the soil sampler, penetrating a threaded column (30) at the bottom end of a first guide column (8) through a connecting hole (25) on a bottom plate (1) and screwing up with a threaded groove (13) at the top end of a fixed rod (2), wherein a positioning column (26) at the lower surface of a side plate (6) is clamped in a second positioning hole (34), simultaneously penetrating the top end of the first guide column (8) through a guide hole (121) on an expansion plate (12), at the same time, guessing that a tooth slot (14) at the side surface of the first guide column (8) is meshed with a third gear (29), penetrating the top end of a first threaded shaft (7) through a sleeve (15), at the same time, clamping a limiting groove (71) at the side surface of the first threaded shaft (7) on the limiting position of the inner side wall of the sleeve (15), screwing up a first nut (16) at the top end of the sleeve (15) and a second nut (23) with the first threaded shaft (7), clamping up a top end of the first guide column (4) with the second nut (24) at the same time, clamping up with the first threaded shaft (7), clamping up a tooth slot (4) at the top end of the first guide column (5) on the inner surface of the first guide column (24) at the same time, clamping up with a first positioning block (73) at the inner side of the connecting hole (24), the sampling tube (4) and the first threaded shaft (7) can be fixed through the fixing bolt (3) and the fixing nut (28); S2, placing the soil sampler at a sampling position, wherein the bottom end of the fixed rod (2) can be clamped in the soil so as to fix the soil sampler, then enabling the second motor (17) to work, enabling the second motor (17) to drive the second gear (22) to rotate, enabling the sleeve (15) to rotate under the engagement of the second gear (22) and the first gear (21), enabling the first threaded shaft (7) to synchronously rotate when the sleeve (15) rotates, further enabling the sampling cylinder (4) to rotate, enabling the first motor (10) to work, enabling the first motor (10) to drive the third gear (29) to rotate, enabling the mounting plate (9) to slide along the first guide post (8) under the engagement of the third gear (29) and the tooth grooves (14), and enabling the sampling cylinder (4) to downwards feed at the moment; s3, finally, the size of the sampling tube (4) can be adjusted according to the requirement, the sampling depth of the soil sampler can be increased by adding the first guide post (8) and the first threaded shaft (7), when the first guide post (8) and the second guide post (18) are connected, the threaded post (30) at the bottom end of the second guide post (18) and the threaded groove (13) at the top end of the first guide post (8) can be directly screwed tightly, at the moment, tooth grooves (14) on the first guide post (8) and the second guide post (18) can be aligned, when the first threaded shaft (7) and the second threaded shaft (20) are connected, the second connecting post (32) at the bottom end of the second threaded shaft (20) can be directly clamped in the first connecting groove (72) at the top end of the first threaded shaft (7), and the threaded pin (33) penetrates through the second side hole (321), and the threaded pin (33) and the threaded cavity (31) can be screwed tightly.

Description

Soil sampler for soil monitoring and use method Technical Field The application relates to the technical field of soil monitoring, in particular to a soil sampler for soil monitoring and a use method thereof. Background Soil environment monitoring refers to determining environmental quality (or pollution degree) and variation trend thereof by measuring representative values of factors affecting environmental quality, and generally refers to soil environment monitoring which generally comprises technical contents such as point distribution sampling, sample preparation, analysis methods, result characterization, data statistics, quality evaluation and the like. Soil is usually taken out of the ground by using a soil sampler during soil environment monitoring, a drill bit of the soil sampler is usually spiral or cylindrical, the top end of the spiral drill bit is provided with a pair of sharp knife edges which can be rotationally cut into the soil, an expanded soil containing cavity is formed in the position close to the knife edges and is drilled downwards into the soil surface along with the rotation of a handle, and a soil sample of a soil layer to be collected can be led into the cavity. In the chinese patent with publication number CN217819428U, a design of a multi-depth integrated soil sampling device is provided, which can control whether soil enters into a soil sampler through a miniature hydraulic rod and a baffle, thus, the soil with other depth can be effectively prevented from entering into a soil collector, the bolt slides in a hole slot through rotating a loop bar, thereby adjusting the height of a fixing frame, and the inserted depth is more conveniently calculated through the distance between two transverse slots, but in the using process, the adjustable fixing frame is easy to have insufficient stability, and meanwhile, the soil sampler is hard to drive through the miniature hydraulic rod, so that the soil is inconvenient to quickly enter into the soil. Disclosure of Invention The application aims to provide a soil sampler for soil monitoring and a use method thereof, which solve the problem that the existing soil sampler is laborious in use. A soil sampler for soil monitoring and a use method thereof comprise a bottom plate, a sampling tube, a sampling structure, a first threaded shaft, a connecting structure, a first guide column, a mounting plate and an adjusting structure; The sampling structure comprises a connecting plate, a sampling tube is positioned below the connecting plate, the connecting plate is fixedly connected with the bottom end of a first threaded shaft, a first connecting column is fixedly connected to the top end of the sampling tube, a first side hole is formed in the side surface of the top end of the first connecting column, a second connecting groove is formed in the bottom end of the first threaded shaft, the top end of the first connecting column penetrates through the connecting plate, the top end of the first connecting column penetrates through the inside of the second connecting groove, the tail end of a fixing bolt sequentially penetrates through the side surface of the bottom end of the first threaded shaft and the first side hole, and a fixing nut is connected to the tail end of the fixing bolt in a threaded manner; The connecting structure comprises a second threaded shaft and a threaded pin shaft, wherein the bottom end of the second threaded shaft is fixedly connected with a second connecting column, the top end of the first threaded shaft is provided with a first connecting groove, the bottom end of the second connecting column is clamped in the first connecting groove, and the side surface of the second connecting column is provided with a second side hole; The adjusting structure comprises a sleeve, the sleeve penetrates through the mounting plate, the sleeve is rotationally connected with the mounting plate, the first threaded shaft is sleeved inside the sleeve, a first nut and a second nut are respectively arranged at two ends of the sleeve, the first nut and the second nut are in threaded connection with the first threaded shaft, a limiting groove is formed in the surface of the first threaded shaft, a limiting block is fixedly connected to the inner side wall of the sleeve, and the limiting block is clamped inside the limiting groove. Further, the bottom plate is of an arc-shaped structure, a connecting hole is formed in the upper surface of the bottom plate, a fixing rod is arranged below the connecting hole, the bottom end of the fixing rod is of a conical structure, a threaded groove is formed in the top end of the fixing rod, a threaded column is fixedly connected to the bottom end of the first guide column, and the bottom end of the threaded column penetrates through the connecting hole and is in threaded connection with the threaded groove. Further, the number of the first guide posts is three, the three first guide posts are symmetrically dist