Coal sampling device and coal sampling method

Abstract

The application discloses a coal sampling device and method, relates to the technical field of coal sampling, and comprises a rack and a lifting device arranged on the rack. The output end of the lifting device is provided with a drilling sampling device. The bottom of the rack is provided with a moving device, and the moving device can be braked after the rack stops moving. The periphery of the rack is detachably provided with counterweight devices. Each counterweight device can adjust the position of its gravity center under the same counterweight. Each counterweight device is provided with a supporting limiting device for abutting against the ground. The whole device is moved to a sampling area by the moving device, and the whole device is braked and fixed. Then, the gravity center and weight of the whole device are adjusted by the counterweight devices, so that the stability of the drilling sampling device during sampling is improved, the whole device is prevented from moving and toppling, and the sampling efficiency and safety are improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of coal sampling, in particular to a coal sampling device and a coal sampling method. BACKGROUND

[0002] When coal sampling, a small part of representative samples in the coal seam are taken for analysis, testing and identification, so as to obtain more detailed information of the coal seam, so as to determine the coal type, coal quality characteristics and their change rule and the process performance of the coal in the mine area or minefield. Before sampling, the sampling machine needs to be transported to the sampling site.

[0003] Due to the uneven ground surface, the existing sampling machine is difficult to be leveled, and the stability during sampling is poor. The existing patent with the patent number CN110578467B discloses a coal mining sampling device, which adjusts the distance between the screw bottom surface and the sliding mechanism bottom surface, so that the four sliding mechanisms are located in the same plane, so that the support frame and the sampling mechanism are vertically located on the bottom surface, which facilitates the rotation of the sampling mechanism into the ground for sampling. When the sampling mechanism rotates, the rubber pad reduces the vibration of the sampling mechanism during use, and improves the stability of the sampling mechanism during use.

[0004] However, the above-mentioned device has the following problems: when sampling in the uneven area, although the four sliding mechanisms can be controlled to be located in the same plane, so that the sampling mechanism is vertically located on the ground, the contact surface between the sliding mechanism and the ground is small, and the height of the sampling mechanism is high, which leads to a high center of gravity of the whole device. Therefore, the device will vibrate greatly during sampling, which reduces the stability of the whole device during sampling, and easily causes the device to shift or fall. SUMMARY

[0005] The present application aims to provide a coal sampling device and a coal sampling method, which solves the technical problems proposed in the background art.

[0006] To solve the above technical problems, the present application specifically provides the following technical solutions:

[0007] A coal sampling device, comprising a rack and a lifting device arranged on the rack, wherein the output end of the lifting device is provided with a drilling sampling device, the bottom of the rack is provided with a moving device, and the moving device can be braked after the rack stops moving, the periphery of the rack is detachably provided with a counterweight device, and each counterweight device can adjust its center of gravity under the same counterweight, and each counterweight device is provided with a support limiting device for abutting against the ground.

[0008] As a preferred scheme of the present application, the counterweight device comprises a hanging plate arranged on the outer sidewall of the frame, a combined counterweight for containing counterweight material is arranged on the hanging plate through a connecting structure, a limiting structure is arranged on the combined counterweight, and the combined counterweight can be adjusted in length along a direction perpendicular to the drilling direction of the drilling sampling device and is fixed in the adjusted length form through the limiting structure.

[0009] As a preferred scheme of the present application, the connecting structure comprises an I-beam, a plurality of first T-shaped grooves are equidistantly arranged on the hanging plate along the drilling direction of the drilling sampling device, a plurality of second T-shaped grooves are arranged on the combined counterweight, and the I-beam is slidingly inserted into one of the first T-shaped grooves and one of the second T-shaped grooves, the two ends of the I-beam are rotatably connected with a first baffle and a second baffle, and the two first baffles are used to abut against the two sides of the hanging plate, and the two second baffles are used to abut against the two sides of the combined counterweight.

[0010] As a preferred scheme of the present application, the combined counterweight comprises a plurality of counterweight frames for containing counterweight material, a plurality of butt joints are arranged on the top of each counterweight frame along the length direction of the counterweight frame, a plurality of butt strips are arranged on the bottom of each counterweight frame and are used to be clamped into the butt joints of the adjacent counterweight frame, and a plurality of second T-shaped grooves are arranged on the outer sidewall of the plurality of counterweight frames.

[0011] As a preferred scheme of the present application, the limiting structure comprises a strip plate and a frame plate arranged on the counterweight frame and away from the second T-shaped groove, the strip plate is located on the top of the outer sidewall of the counterweight frame, a plurality of clamping grooves are equidistantly arranged on the strip plate along the length direction of the strip plate, and the frame plate is located on the bottom of the outer sidewall of the counterweight frame.

[0012] The frame plate comprises a first horizontal plate and a second horizontal plate which are parallel to each other, the first horizontal plate is connected with the outer wall of the counterweight frame, the second horizontal plate is located below the first horizontal plate, the first horizontal plate and the second horizontal plate are jointly connected with a third horizontal plate, the strip plate is used to be inserted between the first horizontal plate and the second horizontal plate of the adjacent counterweight frame, and a clamping plate is slidingly inserted into the first horizontal plate and is used to be connected with the clamping groove.

[0013] As a preferred scheme of the present application, the inner bottom of the first T-shaped groove is inclined from the middle to the two sides, and the inclination direction is downward.

[0014] As a preferred scheme of the present application, the support limiting device comprises a fixed screw rod fixedly arranged at the two ends of the counterweight frame, a stabilizing plate is rotatably connected with the fixed screw rod at a position close to the counterweight frame, a fixed nut is threadedly connected with the fixed screw rod, a connecting plate is sleeved with the fixed screw rod, and a support rod with adjustable length is connected with the connecting plate.

[0015] The support rod comprises a plurality of connecting rods connected in sequence by threads, and a bottom rod is threadedly connected to the connecting rod away from the fixed screw rod.

[0016] To solve the above technical problems, the application further provides a coal sampling method of the coal sampling device, specifically comprising:

[0017] S100, moving the whole device to a sampling area by the moving device, and then fixing the position of the whole device by the moving device;

[0018] S200, controlling the weight and the height of the center of gravity of different counterweight devices according to the posture of the whole device, and supporting the whole device by the support limiting device after the counterweight is completed;

[0019] S300, starting the drilling sampling device and the lifting device, driving the drilling sampling device to drill and sample the sampling area by the lifting device, removing the limitation on the whole device after the sampling is completed, and moving to the next area by the moving device.

[0020] Compared with the prior art, the application has the following beneficial effects:

[0021] The application moves the whole device to the sampling area by the moving device, and brakes and fixes the whole device, then adjusts the center of gravity and the weight of the whole device by the counterweight device, thereby improving the stability of the drilling sampling device during sampling, avoiding movement and dumping of the whole device, and improving the efficiency and safety of sampling. BRIEF DESCRIPTION OF DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only exemplary, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the provided drawings.

[0023] Figure 1 A schematic diagram of the overall structure of the coal sampling device is provided for the embodiment of the application;

[0024] Figure 2 A schematic diagram of the partial structure of the coal sampling device is provided for the embodiment of the application;

[0025] Figure 3 A schematic diagram of the structure of the counterweight device and the support limiting device is provided for the embodiment of the application;

[0026] Figure 4 A schematic diagram of the structure of the counterweight device and the support limiting device is provided for the embodiment of the application; Figure 1 An enlarged schematic diagram of the structure of part A shown in FIG. 1.

[0027] Figure 5 Provided for embodiments of the present invention Figure 1 An enlarged schematic diagram of the structure of part B is shown in FIG.

[0028] The numbers in the figure represent the following:

[0029] 1. Frame; 2. Lifting device; 3. Drilling sampling device; 4. Moving device; 5. Counterweight device; 6. Support and limit device;

[0030] 501. Suspension plate; 502. Connecting structure; 503. Combined counterweight; 504. Limiting structure; 505. I-shaped plate; 506. First T-slot; 507. Second T-slot; 508. First baffle; 509. Second baffle; 510. Counterweight frame; 511. Docking groove; 512. Docking strip; 513. Strip plate; 514. Frame plate; 515. First transverse plate; 516. Second transverse plate; 517. Third transverse plate; 518. Clamping slot; 519. Clamping plate; 601. Fixing screw; 602. Stabilizing plate; 603. Fixing nut; 604. Connecting plate; 605. Support rod; 606. Connecting rod; 607. Bottom rod. DETAILED DESCRIPTION

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0032] Example 1:

[0033] like Figures 1 to 5 As shown, the present invention provides a coal sampling device, including a frame 1 and a lifting device 2 arranged on the frame 1, a drilling sampling device 3 is provided at the output end of the lifting device 2, a moving device 4 is provided at the bottom of the frame 1, and the moving device 4 can brake after the frame 1 stops moving, and counterweight devices 5 are detachably provided on all four sides of the frame 1, and each counterweight device 5 can adjust its own center of gravity position under the same counterweight, and each counterweight device 5 is provided with a support limit device 6 for resisting against the ground.

[0034] In actual application, the present application moves the frame 1 through the moving device 4 so that the entire device moves to the sampling area for subsequent coal sampling. After reaching the sampling area, the moving device 4 brakes so that the entire device maintains its position unchanged to ensure stability during the sampling process.

[0035] Then according to the ground conditions of the sampling area, and combined with the installation posture of the whole device (such as whether it is inclined or the direction of inclination, etc.), the counterweight conditions of the different counterweight devices 5 on the side of the rack 1 are adjusted, that is, different weight counterweight devices 5 are arranged on different sides of the rack 1 or no counterweight device 5 is arranged, so as to reduce the height of the center of gravity of the whole device, adjust the position of the center of gravity of the whole device on the horizontal plane, and increase the weight of the whole device, thereby improving the stability of the whole device during sampling, avoiding movement or toppling of the whole device due to vibration caused by sampling during sampling, and limiting the rack 1 from toppling or moving by the multiple supporting and limiting devices 6 abutting against the ground, further ensuring the stability and safety of the whole device during sampling.

[0036] Finally, the lifting device 2 and the drilling and sampling device 3 are started, the lifting device 2 drives the drilling and sampling device 3 to move downward for drilling and sampling, after sampling is completed, the counterweight device 5 is disassembled, and then the brake of the moving device 4 is released, at this time the whole device is moved to the next area, which reduces the weight of the whole device when moving, is more convenient to move, and improves the convenience of use.

[0037] In this embodiment, the lifting device 2, the drilling and sampling device 3, and the moving device 4 are all prior art, for example, the lifting device 2 can be an electric push rod or a hydraulic push rod, etc., the drilling and sampling device 3 can be a motor-driven drill rod, etc., and the specific can refer to the sampling mechanism in the coal mining sampling device disclosed in the patent publication No. CN110578467B, the moving device 4 can be a plurality of rollers and brake pads arranged at the bottom of the rack 1, which brakes the rollers by moving the brake pads, or rollers and clamping plates, which brakes the rollers by moving the clamping plates, etc., and the technical principle is not described in detail here.

[0038] Further, an adjusting mechanism can be provided on the rack 1 to enable the rack 1 to be aligned on the ground, so that the drilling and sampling device 3 can be vertically downward for drilling, for example, a sleeve is driven downward by a screw rod arranged on the rack 1, so that the bottom plate slidingly arranged on the rack 1 moves to abut against the ground, which is prior art, and the principle is not described in detail.

[0039] The counterweight device 5 includes a hanging plate 501 arranged on the outer side wall of the rack 1, a combined counterweight 503 for containing counterweight material is mounted on the hanging plate 501 through a connecting structure 502, a limiting structure 504 is arranged on the combined counterweight 503, and the combined counterweight 503 can adjust the length in a direction perpendicular to the drilling of the drilling and sampling device 3, and fix the form of the combined counterweight 503 after adjusting the length through the limiting structure 504.

[0040] The combined counterweight 503 is used to contain counterweight materials such as sand or gravel, and can be added or removed at any time when needed, or the combined counterweight 503 can be removed from the hanging plate 501 to reduce the weight of the entire device and improve the convenience of use.

[0041] In use, the combined counterweight 503 is installed on the corresponding side of the hanging plate 501 through the connecting structure 502 to achieve the purpose of adjusting the center of gravity of the entire device.

[0042] At the same time, the combined counterweight 503 can adjust the length to further accurately adjust the center of gravity of the entire device, and for the side of the rack 1 which is not very convenient to operate, the length of the combined counterweight 503 can be adjusted so that one end of the combined counterweight 503 is biased to that side, thereby adjusting the center of gravity of the combined counterweight 503 to that side to improve the convenience of use. After adjusting the length of the combined counterweight 503, the length of the combined counterweight 503 is fixed by the limiting structure 504 to ensure stability during use.

[0043] The connecting structure 502 includes an I-beam 505, a plurality of first T-shaped grooves 506 are evenly arranged on the hanging plate 501 along the direction of the drill hole of the drill hole sampling device 3, a plurality of second T-shaped grooves 507 are arranged on the combined counterweight 503, and the I-beam 505 is slidingly inserted into one of the first T-shaped grooves 506 and one of the second T-shaped grooves 507. Both ends of the I-beam 505 are rotatably connected with first baffles 508 and second baffles 509, and the two first baffles 508 are used to abut against both sides of the hanging plate 501, and the two second baffles 509 are used to abut against both sides of the combined counterweight 503.

[0044] That is, the I-beam 505 is inserted into one of the first T-shaped grooves 506 and one of the second T-shaped grooves 507, respectively, so as to install the combined counterweight 503 on the hanging plate 501, and the first baffles 508 and the second baffles 509 at both ends of the I-beam 505 limit the I-beam 505 from being separated from the first T-shaped grooves 506 and the second T-shaped grooves 507, thereby fixing the combined counterweight 503 on the hanging plate 501.

[0045] The combined counterweight 503 includes a plurality of counterweight frames 510 for containing counterweight materials, a plurality of butt joints 511 are arranged on the top of each counterweight frame 510 along the length direction of the counterweight frame 510, a plurality of butt strips 512 are arranged on the bottom of each counterweight frame 510 for being clamped into the butt joints 511 of the adjacent counterweight frame 510, and a plurality of second T-shaped grooves 507 are arranged on the outer side walls of the plurality of counterweight frames 510.

[0046] Generally, the counterweight frame 510 is connected with the first T-shaped slot 506 on the lowermost hanging plate 501 through the I-beam 505, so that the center of gravity of the whole device is low, thereby improving the stability of the whole device.

[0047] When the upper and lower counterweight frames 510 are combined, first, the alignment bars 512 on the upper counterweight frame 510 are aligned with the alignment slots 511 on the lower counterweight frame 510, and then the upper counterweight frame 510 is pushed until the relative position between the two counterweight frames 510 reaches the required position, that is, the upper counterweight frame 510 extends from the lower counterweight frame 510 by a required distance or the two counterweight frames 510 are overlapped (the counterweight frames 510 can also be sequentially extended by a length or overlapped with part of the counterweight frames 510, or all the counterweight frames 510 are overlapped in the drilling direction of the drilling sampling device 3), so as to adjust the center of gravity of the whole device.

[0048] In this embodiment, the length of the alignment bar 512 is greater than the length of the counterweight frame 510, so that the two counterweight frames 510 are connected through the cooperation of the alignment bar 512 and the alignment slot 511.

[0049] After the alignment bar 512 is clamped into the alignment slot 511, the alignment slot 511 is in contact with the side wall of the alignment bar 512, so as to limit the overturning of the alignment bar 512, and the position of the counterweight frame 510 is limited by the limiting structure 504, thereby further ensuring the stability of the combined counterweight 503 during use.

[0050] The limiting structure 504 includes a strip plate 513 and a frame plate 514 arranged on the counterweight frame 510 away from the second T-shaped slot 507, and the strip plate 513 is located at the top of the outer side wall of the counterweight frame 510, and a plurality of clamping grooves 518 are arranged on the strip plate 513 at equal intervals along the length direction of the strip plate 513, and the frame plate 514 is located at the bottom of the outer side wall of the counterweight frame 510.

[0051] The frame plate 514 includes a first horizontal plate 515 and a second horizontal plate 516 which are parallel to each other, and the first horizontal plate 515 is connected with the outer wall of the counterweight frame 510, and the second horizontal plate 516 is located below the first horizontal plate 515, and the first horizontal plate 515 and the second horizontal plate 516 are jointly connected with a third horizontal plate 517, and the strip plate 513 is inserted between the first horizontal plate 515 and the second horizontal plate 516 on the adjacent counterweight frame 510, and the first horizontal plate 515 is slidably inserted with a clamping plate 519 which is used to be connected with the clamping groove 518.

[0052] When the butt joint strip 512 is inserted into the butt joint groove 511 and the bottom of the upper counterweight frame 510 is attached to the top of the lower counterweight frame 510, the strip plate 513 is aligned with the frame plate 514, and when the upper counterweight frame 510 slides, the strip plate 513 is inserted into the space formed by the first horizontal plate 515, the second horizontal plate 516 and the third horizontal plate 517, the upward and downward movement of the strip plate 513 is limited by the first horizontal plate 515 and the second horizontal plate 516, the movement of the strip plate 513 away from the hanging plate 501 is limited by the third horizontal plate 517, and after the clamping plate 519 is clamped into the corresponding clamping groove 518, the position of the strip plate 513 is fixed, so that the relative position between the upper and lower counterweight frames 510 is fixed.

[0053] The inner bottom of the first T-shaped groove 506 is inclined from the middle to both sides, and the inclination direction is downward.

[0054] The sand and other sundries entering the first T-shaped groove 506 can slide along the inclined bottom, avoiding interference caused by the insertion of the I-beam 505, and the top of the I-beam 505 abuts against the inner top of the first T-shaped groove 506, the bottom of the I-beam 505 abuts against the top of the inner bottom of the first T-shaped groove 506, and the side of the I-beam 505 abuts against the inner side wall of the first T-shaped groove 506, so that the I-beam 505 can still maintain stability when connecting the counterweight frame 510.

[0055] The support limiting device 6 comprises fixed screws 601 fixedly arranged at both ends of the counterweight frame 510, a stabilizing plate 602 rotatably connected to each fixed screw 601 near the position of the counterweight frame 510, a fixed nut 603 threadedly connected to each fixed screw 601, a connecting plate 604 sleeved on each fixed screw 601, and a support rod 605 with adjustable length connected to each connecting plate 604.

[0056] The support rod 605 comprises a plurality of connecting rods 606 threadedly connected in sequence, and a bottom rod 607 threadedly connected to the connecting rod 606 away from the fixed screw 601.

[0057] One end of the connecting plate 604 is sleeved on the fixed screw 601, and the connecting plate 604 is pressed to contact the stabilizing plate 602 through the fixed nut 603, so that the connecting plate 604 can rotate without being separated from the fixed screw 601, to adjust the bottom of the support rod 605 to abut against the ground.

[0058] The number of connecting rods 606 can be adjusted as needed to adjust the length of the support rod 605, and the bottom rod 607 abuts against the ground to keep the whole device stable.

[0059] Embodiment 2:

[0060] The application also provides a coal sampling method of the coal sampling device, which specifically comprises:

[0061] S100, moving the entire device to a sampling area by the moving device 4, and then fixing the position of the entire device by the moving device 4;

[0062] S200, controlling the weight size and center of gravity of the different weight balancing devices 5 according to the posture of the entire device, and supporting the entire device through the support limit device 6 after the weight balancing is completed;

[0063] S300, start the drilling sampling device 3 and the lifting device 2, and drive the drilling sampling device 3 through the lifting device 2 to perform drilling sampling on the sampling area. After the sampling is completed, the restrictions on the entire device are released, and the device is moved to the next area through the moving device 4.

[0064] The above embodiments are merely exemplary embodiments of the present application and are not intended to limit the scope of the present application. The scope of protection of the present application is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present application within the essence and scope of protection of the present application, and such modifications or equivalent substitutions shall also be deemed to fall within the scope of protection of the present application.

Claims

1. A coal sampling device comprising a frame (1) and a lifting device (2) arranged on the frame (1), an output end of the lifting device (2) being provided with a borehole sampling device (3), characterized in that, The bottom of the frame (1) is provided with a moving device (4), and the moving device (4) can be braked after the frame (1) stops moving; the periphery of the frame (1) is detachably provided with a counterweight device (5), and each counterweight device (5) can adjust the position of its gravity center under the same counterweight; each counterweight device (5) is provided with a support limiting device (6) for abutting against the ground; The counterweight device (5) comprises a hanging plate (501) provided on the outer side wall of the frame (1), a combined counterweight member (503) for containing counterweight material is mounted on the hanging plate (501) through a connecting structure (502), a limiting structure (504) is arranged on the combined counterweight member (503), and the combined counterweight member (503) can adjust the length in a direction perpendicular to the drilling of the drilling sampling device (3), and the limiting structure (504) is used to fix the length-adjusted form of the combined counterweight member (503); The combined counterweight member (503) comprises a plurality of counterweight frames (510) for containing counterweight material; The limiting structure (504) comprises a strip plate (513) and a frame plate (514) arranged on the counterweight frame (510) away from the second T-shaped groove (507), the strip plate (513) is located at the top of the outer side wall of the counterweight frame (510), a plurality of clamping grooves (518) are equidistantly arranged on the strip plate (513) along the length direction of the strip plate (513), and the frame plate (514) is located at the bottom of the outer side wall of the counterweight frame (510); The frame plate (514) comprises a first horizontal plate (515) and a second horizontal plate (516) parallel to each other, the first horizontal plate (515) is connected with the outer wall of the counterweight frame (510), the second horizontal plate (516) is located below the first horizontal plate (515), the first horizontal plate (515) and the second horizontal plate (516) are jointly connected with a third horizontal plate (517), the strip plate (513) is used for being inserted between the first horizontal plate (515) and the second horizontal plate (516) on the adjacent counterweight frame (510), and the first horizontal plate (515) is slidably inserted with a clamping plate (519) used for cooperating with the clamping groove (518).

2. A coal sampling device according to claim 1, characterised in that, The connecting structure (502) comprises an I-shaped plate (505), a plurality of first T-shaped grooves (506) are equidistantly arranged on the hanging plate (501) in the direction of drilling of the drilling sampling device (3), a plurality of second T-shaped grooves (507) are arranged on the combined counterweight member (503), the I-shaped plate (505) is slidably inserted into one of the first T-shaped grooves (506) and one of the second T-shaped grooves (507), and the two ends of the I-shaped plate (505) are rotatably connected with a first baffle (508) and a second baffle (509), and the two first baffles (508) are used for abutting against the two sides of the hanging plate (501), and the two second baffles (509) are used for abutting against the two sides of the combined counterweight member (503).

3. A coal sampling device according to claim 2, wherein, The top of each counterweight frame (510) is provided with a plurality of butt joint grooves (511) arranged along the length direction of the counterweight frame (510), the bottom of each counterweight frame (510) is provided with a plurality of butt joint strips (512) used for being clamped into the butt joint grooves (511) of the adjacent counterweight frame (510), and a plurality of second T-shaped grooves (507) are arranged on the outer side walls of the plurality of counterweight frames (510) respectively.

4. A coal sampling device according to claim 2, wherein, The inner bottom of the first T-shaped groove (506) is inclined from the middle to both sides, and the inclined direction is downward.

5. The coal sampling device of claim 1, wherein, The support limiting device (6) comprises fixed screw rods (601) fixedly arranged at both ends of the counterweight frame (510), a stabilizing plate (602) is rotatably connected to each fixed screw rod (601) near the position of the counterweight frame (510), a fixed nut (603) is threadedly connected to each fixed screw rod (601), a connecting plate (604) is sleeved on each fixed screw rod (601), and a support rod (605) capable of adjusting the length is connected to each connecting plate (604). The support rod (605) comprises a plurality of connecting rods (606) threadedly connected in sequence, and a bottom rod (607) is threadedly connected to the connecting rod (606) away from the fixed screw rod (601).

6. A coal sampling method applied to the coal sampling device according to any one of claims 1 to 5, characterized by, Specifically comprising: S100, moving the whole device to the sampling area through the moving device (4), and then fixing the position of the whole device through the moving device (4); S200, controlling the counterweight size and the height of the gravity center of different counterweight devices (5) according to the attitude of the whole device, and supporting the whole device through the support limiting device (6) after the counterweight is completed; S300, starting the drilling sampling device (3) and the lifting device (2), driving the drilling sampling device (3) to drill and sample the sampling area through the lifting device (2), releasing the limitation on the whole device after the sampling is completed, and moving to the next area through the moving device (4).

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