Multi-layer soil sampling equipment for prospecting

Abstract

The invention is applicable to the technical field of mineral exploration, and provides a multi-layer soil sampling device for prospecting, comprising: a bearing plate used as a mounting carrier of a support frame, a stabilizing assembly and a dust collection assembly; the support frame is mounted on the bearing plate and is used as a mounting carrier of the drilling assembly; and the drilling barrel is connected with the drilling assembly through the disassembly and assembly assembly and used for loosening the multiple layers of soil. By arranging the sampling assembly, sampling operation can be conveniently conducted on multiple layers of soil in one-time operation, it is avoided that multiple times of sampling operation are needed by workers, the working time is shortened, the soil sampling efficiency is improved, the mineral exploration efficiency is further improved, the applicability of equipment is improved, and actual application and operation are facilitated; through the soil blocking assembly, the sampled soil in the sampling box is blocked, the soil in the sampling box is prevented from being thrown out when the drilling barrel rotates upwards, and the sampled soil is further protected.

Description

Technical Field

[0001] The invention belongs to the technical field of mineral exploration, and in particular relates to a multi-layer soil sampling device for mineral prospecting. Background Art

[0002] Minerals are formed in the crust through geological mineralization, which causes the natural elements or compounds dispersed in the crust and upper mantle to be enriched under certain geological conditions. Soil, as a direct reflection of the geological environment, has a close internal connection with the formation, distribution and enrichment of mineral resources. Soil sampling plays a vital role in mineral exploration.

[0003] Deficiencies of the existing technology: In existing soil sampling equipment, soil sampling surveys are usually conducted on a single depth within the soil layer, and soil samples at different depths cannot be obtained in one sampling operation. If soil sampling at other depths within the soil layer is required, multiple exploration and sampling operations are required, which increases the time for soil sampling and reduces the efficiency of soil sampling, further reducing the efficiency of mineral exploration and hindering practical application and operation. Summary of the Invention

[0004] The purpose of the embodiments of the present invention is to provide a multi-layer soil sampling device for mineral prospecting, aiming to solve the problems in the prior art.

[0005] The embodiment of the present invention is implemented as follows:

[0006] A multi-layer soil sampling device for prospecting, comprising:

[0007] A load-bearing plate, used as a mounting carrier for the support frame, stabilizing components and dust collection components;

[0008] A support frame, mounted on the bearing plate, used as a mounting carrier for the drilling assembly;

[0009] A drill barrel, connected to the drilling assembly through a disassembly assembly, is used to loosen multiple layers of soil;

[0010] A sampling assembly is provided inside the drill barrel and is used for sampling multiple layers of soil;

[0011] The sampling assembly comprises:

[0012] The entry and exit slots are equidistantly opened on the outside of the drill tube;

[0013] L-shaped plates are equidistantly installed on both sides of the inner wall of the drill tube, and the L-shaped plates are located below the inlet and outlet grooves;

[0014] a second screw rod, the second screw rod being rotatably engaged with the two L-shaped plates;

[0015] An auxiliary rod is installed between the two L-shaped plates, and the auxiliary rod is located on one side of the second screw rod;

[0016] a first slider, wherein the first slider and the second screw rod form a spiral pair transmission, and the first slider is slidably engaged with the auxiliary rod on a side away from the second screw rod;

[0017] A sampling box is mounted on the top of the first sliding block;

[0018] Rollers are installed on both sides of the inner wall of the drill tube, and two of the rollers are located above the inlet and outlet slots and the sampling box;

[0019] First chutes are equidistantly arranged on the outside of the drill tube, and the first chutes are located between the entry and exit grooves and the rollers;

[0020] a second slider, the second slider being slidably engaged with the first sliding groove;

[0021] The arc-shaped baffles are all installed on the side of the second sliding block away from the first sliding groove;

[0022] A rope is connected to the top of the arc-shaped baffle, and one end of the rope away from the arc-shaped baffle passes around two rollers in sequence and is connected to the top of the sampling box.

[0023] Preferably, the sampling assembly further comprises:

[0024] A fixed plate, mounted on one side of the inner wall of the drill tube;

[0025] a third motor mounted on the fixed plate;

[0026] a second bevel gear mounted on an output end of the third motor;

[0027] A first bevel gear is mounted on the shaft end of the second screw rod, and the first bevel gear is meshed with the second bevel gear;

[0028] a first preload spring, mounted between the second slider and one side of the inner wall of the first chute;

[0029] Pressure sensors are all installed on the outside of the L-shaped plate;

[0030] A remote controller is installed on the top of the inner wall of the drill pipe, and the remote controller is electrically connected to the plurality of third motors and the pressure sensor.

[0031] Preferably, the drilling assembly comprises:

[0032] a first screw rod, the first screw rod being rotatably engaged with the load-bearing plate and the support frame;

[0033] The sliding rods are all installed between the load-bearing plate and the remaining triangles of the support frame;

[0034] A movable plate, wherein the movable plate and the first screw rod form a spiral pair transmission, and the remaining triangles of the movable plate away from the first screw rod are slidably engaged with the three sliding rods;

[0035] A first motor is mounted on the top of the support frame, and an output end of the first motor is fixedly connected to the top end of the first screw rod;

[0036] a second motor mounted on the bottom of the movable plate;

[0037] A connecting rod is mounted on the output shaft of the second motor.

[0038] Preferably, the disassembly and assembly components include:

[0039] A positioning groove is provided at the bottom end of the connecting rod;

[0040] A positioning block is installed at the top of the drill tube, and the positioning block cooperates with the positioning groove;

[0041] The second sliding grooves are both provided inside the bottom end of the connecting rod, and the two second sliding grooves are located on both sides of the positioning groove;

[0042] a slide plate, wherein the slide plate is slidably engaged with the second slide groove;

[0043] The second preload springs are installed between the outer side of the slide plate and the inner wall of the second slide groove;

[0044] The first slots are provided on both sides of the positioning block;

[0045] The card blocks are installed on the inner side of the slide plate, and the card blocks cooperate with the first card slots;

[0046] The T-shaped pull rods are all installed on the outside of the slide plate, and one end of the T-shaped pull rod away from the slide plate extends to the outside of the connecting rod.

[0047] Preferably, the device further comprises a soil retaining assembly provided on the sampling box, wherein the soil retaining assembly comprises:

[0048] The cavity is provided at the bottom of the inner wall of the sampling box;

[0049] A second card slot is provided on the top of the inner wall of the sampling box, and the second card slot is located above the cavity;

[0050] An electric telescopic rod is installed inside the cavity;

[0051] The sealing baffle is mounted on the piston of the electric telescopic rod, and the top of the sealing baffle extends to the interior of the second clamping groove.

[0052] Preferably, the stabilizing assembly comprises:

[0053] The convex grooves are provided on both sides of the load-bearing plate;

[0054] An extension plate, wherein the extension plate is slidably engaged with the convex groove;

[0055] The third chute is opened at the top of the inner wall of the convex groove;

[0056] Slide bars are mounted on the top of the extension plate, and the slide bars are slidably engaged with the third slide groove;

[0057] a screw rod, wherein the screw rod and the extension plate are engaged with each other through threads;

[0058] a connecting plate, the connecting plate being rotatably engaged with the screw;

[0059] The plug rods are evenly installed at the bottom of the connecting plate.

[0060] Preferably, the dust collection component includes:

[0061] A U-shaped plate, mounted on top of the U-shaped plate;

[0062] Portable soil vacuum, placed on the U-shaped board.

[0063] Compared with the prior art, the present invention has the following beneficial effects:

[0064] 1. The present invention provides a sampling assembly to facilitate sampling of multiple layers of soil in one operation, avoiding the need for multiple sampling operations by staff, shortening working time, improving the efficiency of soil sampling, further improving the efficiency of mineral exploration, increasing the applicability of the equipment, and facilitating practical application and operation.

[0065] 2. The present invention uses a soil retaining assembly to shield the sampled soil in the sampling box, preventing the soil in the sampling box from being thrown out when the drill tube rotates upward, and further protecting the sampled soil; by setting a stabilizing assembly, the contact area between the load-bearing plate and the ground can be expanded, the stability of the load-bearing plate can be improved, and the stability of the entire equipment can be further improved.

[0066] 3. The present invention facilitates drilling operations on the soil layer by providing a drilling assembly, and also drives the drill barrel to rotate downward, making it convenient to drill holes in the soil layer; by providing a disassembly assembly assembly, it facilitates disassembly of the drill barrel, and further facilitates replacement or maintenance operations on the drill barrel. BRIEF DESCRIPTION OF THE DRAWINGS

[0067] Figure 1 A schematic diagram of the structure in the main tilt state provided by an embodiment of the present invention;

[0068] Figure 2 A schematic diagram of the structure in the main elevation state provided by an embodiment of the present invention;

[0069] Figure 3A schematic structural diagram of a drilling assembly on a load-bearing plate provided in an embodiment of the present invention;

[0070] Figure 4 A schematic diagram of the structure of a sampling assembly in a drill barrel provided by an embodiment of the present invention;

[0071] Figure 5 The embodiment of the present invention provides Figure 4 Enlarged view of point A in the middle;

[0072] Figure 6 A schematic diagram of the structure of the soil retaining assembly in the sampling box provided in an embodiment of the present invention;

[0073] Figure 7 A schematic diagram of the assembly structure of the connecting rod and the drill barrel provided by an embodiment of the present invention;

[0074] Figure 8 A schematic diagram of the structure of a stabilizing component on a load-bearing plate provided in an embodiment of the present invention.

[0075] Description of reference numerals:

[0076] 1. Load-bearing plate; 2. Support frame; 3. Drilling assembly; 301. First screw rod; 302. Sliding rod; 303. Movable plate; 304. First motor; 305. Second motor; 306. Connecting rod; 4. Drill barrel; 5. Sampling assembly; 501. Inlet and outlet slot; 502. L-shaped plate; 503. Second screw rod; 504. Auxiliary rod; 505. First slider; 506. First bevel gear; 507. Second bevel gear; 508. Fixed plate; 509. Third motor; 510. Sampling box; 511. Roller; 512. Rope; 513. Arc baffle; 514. First slideway; 515. First preload spring; 516. Second slider; 517 , pressure sensor; 518, remote controller; 6, disassembly and assembly components; 601, positioning groove; 602, positioning block; 603, second slide groove; 604, slide plate; 605, clamping block; 606, first clamping groove; 607, second preload spring; 608, T-shaped pull rod; 7, soil retaining assembly; 701, cavity; 702, second clamping groove; 703, electric telescopic rod; 704, sealing baffle; 8, stabilizing assembly; 801, convex groove; 802, extension plate; 803, third slide groove; 804, slide bar; 805, screw; 806, connecting plate; 807, plug rod; 9, dust suction assembly; 901, U-shaped plate; 902, portable soil vacuum. DETAILED DESCRIPTION

[0077] The following is a combination of the embodiments of the present invention Figure 1-8The technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0078] See also Figure 1-5 The present invention provides a technical solution: a multi-layer soil sampling device for prospecting, comprising:

[0079] The load-bearing plate 1 is used as a mounting carrier for the support frame 2, the stabilizing component 8 and the dust collecting component 9;

[0080] The support frame 2 is mounted on the bearing plate 1 and is used as a mounting carrier for the drilling assembly 3;

[0081] The drill barrel 4 is connected to the drilling assembly 3 via the disassembly assembly 6 and is used to loosen multiple layers of soil;

[0082] The sampling assembly 5 is arranged inside the drill tube 4 and is used for sampling multiple layers of soil;

[0083] The sampling assembly 5 includes:

[0084] The inlet and outlet slots 501 are equidistantly provided on the outside of the drill tube 4;

[0085] L-shaped plates 502 are equidistantly mounted on both sides of the inner wall of the drill tube 4, and the L-shaped plates 502 are located below the inlet and outlet slots 501;

[0086] A second screw rod 503 , which is rotatably engaged with the two L-shaped plates 502 ;

[0087] An auxiliary rod 504 is installed between the two L-shaped plates 502, and the auxiliary rod 504 is located on one side of the second screw rod 503;

[0088] The first slider 505 forms a spiral pair transmission with the second screw rod 503 , and the side of the first slider 505 away from the second screw rod 503 is slidably engaged with the auxiliary rod 504 ;

[0089] The sampling box 510 is mounted on the top of the first slider 505;

[0090] The rollers 511 are mounted on both sides of the inner wall of the drill tube 4, and the two rollers 511 are located above the inlet and outlet slots 501 and the sampling box 510;

[0091] The first chute 514 is equidistantly provided on the outside of the drill tube 4 and is located between the entry and exit groove 501 and the roller 511;

[0092] A second slider 516 slidably engaged with the first slide groove 514 ;

[0093] The arc-shaped baffles 513 are all installed on the side of the second slider 516 away from the first sliding groove 514;

[0094] Rope 512, the rope 512 is connected to the top of the arc baffle 513, and the end of the rope 512 away from the arc baffle 513 is passed through the two rollers 511 in sequence and connected to the top of the sampling box 510;

[0095] A fixing plate 508 is mounted on one side of the inner wall of the drill tube 4;

[0096] A third motor 509 is mounted on the fixed plate 508;

[0097] The second bevel gear 507 is mounted on the output end of the third motor 509;

[0098] The first bevel gear 506 is mounted on the shaft end of the second screw rod 503 and is meshed with the second bevel gear 507;

[0099] A first preload spring 515 is installed between the second slider 516 and one side of the inner wall of the first sliding groove 514;

[0100] Pressure sensors 517 are all mounted on the outside of the L-shaped plate 502;

[0101] The remote controller 518 is installed on the top of the inner wall of the drill pipe 4 . The remote controller 518 is electrically connected to the plurality of third motors 509 and the pressure sensor 517 .

[0102] In actual application of this embodiment, when the drilling assembly 3 is driven to drive the drill barrel 4 to rotate down to a suitable depth in the soil layer, the control panel is then started to control the remote controller 518 in the drill barrel 4 to drive multiple third motors 509 to rotate, which in turn drives the second bevel gear 507 and the fixed plate 508 to rotate, thereby driving the second screw rod 503 between the two L-shaped plates 502 to rotate, and cooperates with the auxiliary rod 504 to drive the sampling box 510 on the first slider 505 to slide from right to left, so that the pressure sensor 517 close to the side of the inlet and outlet groove 501 is squeezed by the first slider 505, so that the pressure sensor 517 is pressed by the first slider 505. The value on the force sensor 517 changes, and then with the help of the remote controller 518, a signal is sent to the staff, and the rope 512 is pulled at the same time, and the two rollers 511 are cooperated to drive the arc baffle 513 to slide upward, and then drive the second slider 516 to slide upward inside the first slide groove 514. The first pre-tightening spring 515 is compressed and deformed, so that one end of the multiple sampling boxes 510 passes through the inlet and outlet groove 501 and is inserted into the interior of the soil layer. When the sampling is successful, the third motor 509 is driven in reverse to slide the multiple sampling boxes 510 from the soil layer to the inside of the drill barrel 4, thereby realizing multi-layer soil sampling operation.

[0103] This embodiment provides a sampling assembly 5, which facilitates sampling operations on multiple layers of soil in one operation, avoiding the need for workers to perform multiple sampling operations, shortening working time, improving the efficiency of soil sampling, further improving the efficiency of mineral exploration, increasing the applicability of the equipment, and facilitating practical application and operation.

[0104] In one case of this embodiment, the third motor 509 can be a general industrial-grade waterproof and rust-proof motor with waterproof and rust-proof properties, and the first preload spring 515 can be made of stainless steel material, which has better rust resistance, corrosion resistance and extrusion resilience.

[0105] like Figure 3 As shown, as a preferred embodiment of the present invention, the drilling assembly 3 includes:

[0106] A first screw rod 301, which is rotatably engaged with the bearing plate 1 and the support frame 2;

[0107] The slide bars 302 are all installed between the bearing plate 1 and the remaining triangles of the support frame 2;

[0108] The movable plate 303 forms a spiral pair transmission with the first screw rod 301 , and the remaining triangles of the movable plate 303 away from the first screw rod 301 are slidably engaged with the three sliding rods 302 ;

[0109] The first motor 304 is mounted on the top of the support frame 2, and the output end of the first motor 304 is fixedly connected to the top end of the first screw rod 301;

[0110] The second motor 305 is installed at the bottom of the movable plate 303;

[0111] The connecting rod 306 is mounted on the output shaft of the second motor 305 .

[0112] In actual application of this embodiment, by starting the control panel, the first motor 304 is driven to drive the first screw 301 to rotate, and cooperates with the other three sliding rods 302 to drive the movable plate 303 to slide downward, and at the same time drives the second motor 305 to drive the connecting rod 306 to rotate, and through the disassembly and assembly component 6, the drill barrel 4 is also driven to rotate downward to realize the drilling operation on the soil layer.

[0113] In this embodiment, the drilling assembly 3 is provided to facilitate drilling operations on the soil layer, and at the same time drives the drill tube 4 to perform a downward rotation operation, thereby facilitating the drilling operation on the soil of the soil layer.

[0114] In one case of this embodiment, the first motor 304 and the second motor 305 can be general industrial-grade waterproof and rust-proof motors with waterproof and rust-proof properties.

[0115] like Figure 1 and 7 As shown, as another preferred embodiment of the present invention, the disassembly assembly 6 includes:

[0116] A positioning groove 601 is provided at the bottom end of the connecting rod 306;

[0117] The positioning block 602 is installed at the top of the drill tube 4, and the positioning block 602 cooperates with the positioning groove 601;

[0118] The second sliding grooves 603 are both provided inside the bottom end of the connecting rod 306, and the two second sliding grooves 603 are located on both sides of the positioning groove 601;

[0119] Slide plate 604, slide plate 604 is slidably engaged with the second slide groove 603;

[0120] The second preload spring 607 is installed between the outer side of the slide plate 604 and the inner wall of the second slide groove 603;

[0121] The first slots 606 are provided on both sides of the positioning block 602;

[0122] The clamping blocks 605 are installed on the inner side of the slide plate 604, and the clamping blocks 605 cooperate with the first clamping slots 606;

[0123] The T-shaped pull rods 608 are all installed on the outside of the slide plate 604 , and one end of the T-shaped pull rod 608 away from the slide plate 604 extends to the outside of the connecting rod 306 .

[0124] In actual application of this embodiment, when the drill barrel 4 needs to be disassembled, the two T-shaped pull rods 608 are manually pulled to drive the two slides 604 to slide back to each other in their respective second slide grooves 603, thereby driving the clamping block 605 to be pulled out from the inside of the first clamping groove 606 to the inside of the second slide groove 603, causing the second slide groove 603 to be compressed and deformed, and then the positioning block 602 at the top of the drill barrel 4 is pulled out from the inside of the positioning groove 601 to achieve a quick disassembly operation.

[0125] In this embodiment, the disassembly assembly 6 is provided to facilitate the disassembly of the drill barrel 4 and further facilitate the replacement or maintenance of the drill barrel 4.

[0126] In one case of this embodiment, the second preload spring 607 can be made of stainless steel, which has better rust resistance, corrosion resistance and extrusion resilience.

[0127] like Figure 6 As shown, as another preferred embodiment of the present invention, it also includes a soil retaining assembly 7 provided on the sampling box 510, and the soil retaining assembly 7 includes:

[0128] The cavity 701 is formed at the bottom of the inner wall of the sampling box 510;

[0129] The second slot 702 is formed on the top of the inner wall of the sampling box 510 and is located above the cavity 701;

[0130] The electric telescopic rod 703 is installed inside the cavity 701;

[0131] The sealing baffle 704 is mounted on the piston of the electric telescopic rod 703 , and the top of the sealing baffle 704 extends to the inside of the second slot 702 .

[0132] In actual application of this embodiment, after multiple sampling boxes 510 are inserted into the soil in the soil layer, the soil is then introduced into the interior of the sampling box 510 along the opening of the sampling box 510, driving the electric telescopic rod 703 in the cavity 701, and driving the sealing baffle 704 to move from the interior of the cavity 701 to the interior of the sampling box 510, so that the top end of the sealing baffle 704 is stuck in the second card slot 702, thereby shielding the sampled soil in the sampling box 510.

[0133] In this embodiment, the soil retaining assembly 7 is provided to shield the sampled soil in the sampling box 510, thereby preventing the soil in the sampling box 510 from being thrown out when the drill tube 4 rotates upward, thereby further protecting the sampled soil.

[0134] like Figure 8 As shown, as another preferred embodiment of the present invention, the stabilizing assembly 8 includes:

[0135] The convex grooves 801 are provided on both sides of the bearing plate 1;

[0136] Extension plate 802, which is in sliding engagement with convex groove 801;

[0137] The third chute 803 is formed on the top of the inner wall of the convex groove 801;

[0138] Slide bars 804 are mounted on the top of the extension plate 802 , and the slide bars 804 slide in cooperation with the third slide grooves 803 ;

[0139] Screw 805, screw 805 and extension plate 802 are threaded together;

[0140] Connecting plate 806, connecting plate 806 and screw rod 805 are rotatably engaged;

[0141] The insertion rods 807 are evenly installed at the bottom of the connecting plate 806.

[0142] In actual application of this embodiment, when the load-bearing plate 1 is moved to a suitable position, the extension plate 802 in the convex groove 801 is extended outward from the load-bearing plate 1, and then the screw 805 is screwed to drive the multiple insertion rods 807 at the bottom of the connecting plate 806 to be inserted into the soil to provide auxiliary support for the load-bearing plate 1.

[0143] In this embodiment, by providing the stabilizing assembly 8, the contact area between the load-bearing plate 1 and the ground can be expanded, the stability of the load-bearing plate 1 can be improved, and the stability of the entire device can be further improved.

[0144] In one case of this embodiment, the surface of the screw 805 can be subjected to surface treatment processes such as galvanizing, chrome plating, and spraying with anti-rust paint to form a protective layer to prevent moisture and oxygen from directly contacting the metal surface.

[0145] like Figure 1 and 6 As shown, as another preferred embodiment of the present invention, the dust collection component 9 includes:

[0146] U-shaped plate 901, mounted on top of U-shaped plate 901;

[0147] The portable soil suction device 902 is placed on the U-shaped plate 901.

[0148] In actual application of this embodiment, after the drill tube 4 is screwed out of the soil layer, the sampling assembly 5 is driven again to extend the multiple sampling boxes 510 in the sampling assembly 5 through the inlet and outlet slots 501, and then the portable soil vacuum 902 on the U-shaped plate 901 is picked up and manually driven, and then the hose at the front end of the portable soil vacuum 902 is extended into the sampling box 510 to extract the soil in the multiple sampling boxes 510.

[0149] In this embodiment, the dust collecting assembly 9 is provided to facilitate the workers to extract the soil in the sampling box 510, thereby improving the efficiency of the work.

[0150] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A multi-layer soil sampling device for prospecting, characterized by: include: A load-bearing plate (1) is used as a mounting carrier for the support frame (2), the stabilizing component (8) and the dust collecting component (9); A support frame (2) is mounted on the bearing plate (1) and is used as a mounting carrier for the drilling assembly (3); A drill barrel (4) is connected to the drilling assembly (3) via a disassembly assembly (6) and is used to loosen multiple layers of soil; A sampling assembly (5) is arranged inside the drill tube (4) and is used for sampling multiple layers of soil; The sampling assembly (5) comprises: Inlet and outlet grooves (501) are equidistantly arranged on the outside of the drill tube (4); L-shaped plates (502) are equidistantly mounted on both sides of the inner wall of the drill tube (4), and the L-shaped plates (502) are located below the inlet and outlet slots (501); a second screw rod (503), wherein the second screw rod (503) is rotationally engaged with the two L-shaped plates (502); An auxiliary rod (504) is installed between the two L-shaped plates (502), and the auxiliary rod (504) is located on one side of the second screw rod (503); A first slider (505), wherein the first slider (505) and the second screw rod (503) form a spiral pair transmission, and the side of the first slider (505) away from the second screw rod (503) is in sliding engagement with the auxiliary rod (504); A sampling box (510) is mounted on top of the first slider (505); Rollers (511) are installed on both sides of the inner wall of the drill tube (4), and the two rollers (511) are located above the inlet and outlet groove (501) and the sampling box (510); First chute (514) is equidistantly provided on the outside of the drill tube (4), and the first chute (514) is located between the entry and exit groove (501) and the roller (511); a second sliding block (516), the second sliding block (516) slidingly engaging with the first sliding groove (514); The arc-shaped baffles (513) are mounted on a side of the second sliding block (516) away from the first sliding groove (514); A rope (512) is connected to the top of the arc-shaped baffle (513), and one end of the rope (512) away from the arc-shaped baffle (513) passes through two rollers (511) in sequence and is connected to the top of the sampling box (510).

2. A multi-layer soil sampling device for prospecting according to claim 1, characterized in that: The sampling assembly (5) further comprises: A fixing plate (508) is mounted on one side of the inner wall of the drill tube (4); a third motor (509), mounted on the fixed plate (508); A second bevel gear (507) is mounted on an output end of a third motor (509); A first bevel gear (506) is mounted on the shaft end of the second screw rod (503), wherein the first bevel gear (506) is meshedly connected with the second bevel gear (507); A first preload spring (515) is installed between the second slider (516) and one side of the inner wall of the first slide groove (514); Pressure sensors (517), all mounted on the outside of the L-shaped plate (502); A remote controller (518) is installed on the top of the inner wall of the drill tube (4), and the remote controller (518) is electrically connected to the plurality of third motors (509) and the pressure sensor (517).

3. The multi-layer soil sampling device for prospecting according to claim 2, characterized in that: The drilling assembly (3) comprises: A first screw rod (301), wherein the first screw rod (301) is rotationally engaged with the bearing plate (1) and the support frame (2); The slide bars (302) are all installed between the bearing plate (1) and the remaining triangles of the support frame (2); A movable plate (303), wherein the movable plate (303) and the first screw rod (301) form a spiral pair transmission, and the remaining triangles of the movable plate (303) away from the first screw rod (301) are in sliding cooperation with the three sliding rods (302); A first motor (304) is mounted on the top of the support frame (2), and an output end of the first motor (304) is fixedly connected to the top end of the first screw rod (301); A second motor (305) is mounted on the bottom of the movable plate (303); The connecting rod (306) is mounted on the output shaft of the second motor (305).

4. The multi-layer soil sampling device for prospecting according to claim 1, characterized in that: The disassembly and assembly component (6) comprises: A positioning groove (601) is provided at the bottom end of the connecting rod (306); A positioning block (602) is mounted on the top of the drill tube (4), wherein the positioning block (602) and the positioning groove (601) cooperate with each other; The second sliding grooves (603) are both opened inside the bottom end of the connecting rod (306), and the two second sliding grooves (603) are located on both sides of the positioning groove (601); A slide plate (604), wherein the slide plate (604) is slidably engaged with the second slide groove (603); The second preload spring (607) is installed between the outer side of the slide plate (604) and the inner wall of the second slide groove (603); The first slots (606) are both provided on both sides of the positioning block (602); The card blocks (605) are installed on the inner side of the slide plate (604), and the card blocks (605) and the first card slots (606) cooperate with each other; The T-shaped pull rods (608) are all installed on the outside of the slide plate (604), and one end of the T-shaped pull rod (608) away from the slide plate (604) extends to the outside of the connecting rod (306).

5. The multi-layer soil sampling device for prospecting according to claim 1, characterized in that: It also includes a soil retaining assembly (7) arranged on the sampling box (510), and the soil retaining assembly (7) includes: The cavity (701) is provided at the bottom of the inner wall of the sampling box (510); A second card slot (702) is provided at the top of the inner wall of the sampling box (510), and the second card slot (702) is located above the cavity (701); An electric telescopic rod (703) is installed inside the cavity (701); The sealing baffle (704) is mounted on the piston of the electric telescopic rod (703), and the top of the sealing baffle (704) extends to the inside of the second slot (702).

6. The multi-layer soil sampling device for prospecting according to claim 1, characterized in that: The stabilizing assembly (8) comprises: The convex grooves (801) are both provided on both sides of the bearing plate (1); An extension plate (802), wherein the extension plate (802) is slidably engaged with the convex groove (801); The third chute (803) is provided on the top of the inner wall of the convex groove (801); Slide bars (804) are mounted on the top of the extension plate (802), and the slide bars (804) are slidably engaged with the third slide groove (803); a screw (805), wherein the screw (805) and the extension plate (802) are engaged with each other through threads; A connecting plate (806), the connecting plate (806) is rotatably engaged with the screw (805); The plug rods (807) are evenly spaced and mounted on the bottom of the connecting plate (806).

7. The multi-layer soil sampling device for prospecting according to claim 1, characterized in that: The dust collection component (9) comprises: A U-shaped plate (901) is mounted on top of the U-shaped plate (901); The portable soil suction device (902) is placed on the U-shaped plate (901).

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