Soil sampling device for geological exploration

Abstract

The utility model belongs to the technical field of soil sampling, and particularly relates to a soil sampling device for geological exploration. The device comprises a sampling support frame, and a linear driver is fixed on the sampling support frame. In the sampling process, the opening and closing rotating assembly rotates to coincide with the reinforcing connecting piece, an opening in the bottom of the outer side sampling cavity is opened, soil synchronously enters the first sampling cavity and the outer side sampling cavity, multi-cavity synchronous sampling is carried out on the soil, and after sampling is completed, the opening and closing rotating assembly is rotated, so that sampling is completed. The opening and closing rotating assembly and the reinforcing connecting piece are staggered, an opening in the bottom of the outer side sampling cavity is closed, sampling soil located in the outer side sampling cavity is prevented from loosening, layering is more accurate, when soil is checked, the connecting structure is detached, the detachable outer wall plate is detached from the soil sampling main cylinder, and the detachable structure is adopted, so that the sampling efficiency is improved. And an inspector can conveniently collect soil of each layered part.

Description

Technical Field

[0001] The utility model belongs to the technical field of soil sampling and relates to a soil sampling device for geological exploration. Background Art

[0002] In the process of geological exploration, it is sometimes necessary to sample the soil geology. At present, the soil exploration process is completed manually. The staff holds the sampling tube and inserts it into the soil, then pulls out the sampling tube, and then places the soil sample in the sampling tube into the bucket. During the use of this type of soil sampling equipment, it is difficult to perform multi-cavity synchronous sampling of the soil, and the sampled soil is prone to loosening and falling during the withdrawal process, the stratification is inaccurate, it is not convenient for comparison and inspection, and the sample error is large. Therefore, it is very necessary to continue to design a soil sampling device for geological exploration that can overcome the above defects.

[0003] In order to overcome the shortcomings of the prior art, people have proposed various solutions through continuous exploration. For example, a Chinese patent discloses a geological exploration soil stratification sampling device [application number: 201921921764.9], which includes an equipment box, a hole is opened in the middle of the bottom of the equipment box, and the hole in the middle of the bottom of the equipment box penetrates into the interior of the equipment box. A low-speed rotating motor is fixedly installed inside the equipment box. In the utility model, the geological exploration soil stratification sampling device, when the soil sampling device is fully inserted into the soil, the motor in the equipment box is started to drive the soil sampling device to rotate through the rotating shaft, and the soil is disconnected from the original soil through the gap and partition between the two groups of rectangular annular plates. The disconnected soil adheres to the inside of the soil sampling device due to its wet characteristics, and the hydraulic telescopic device is started to pull out the soil sampling device, and the pulled-out soil sampling device exposes the soil through the gap between the two groups of rectangular annular plates. Summary of the invention

[0004] The purpose of the utility model is to provide a soil sampling device for geological exploration in view of the above problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A soil sampling device for geological exploration comprises a sampling support frame, a linear drive is fixed on the sampling support frame, and a soil sampling main cylinder which can reciprocate linearly in the vertical direction and can rotate circumferentially is provided below the linear drive, the soil sampling main cylinder comprises an annular inner cylinder body and an outer cylinder wall portion, a first sampling chamber is provided in the annular inner cylinder body, a detachable outer wall plate is screwed on the outer side surface of the soil sampling main cylinder, the outer side surface of the detachable outer wall plate is flush with the outer side surface of the outer cylinder wall portion, an outer sampling chamber is formed between the inner wall surface formed by the annular inner cylinder body, the detachable outer wall plate and the outer cylinder wall portion, the detachable outer wall plate is connected to the soil sampling main cylinder by a connecting structure, and a reinforcing connecting piece and a rotatable opening and closing rotating component are provided on the outer side surface of the annular inner cylinder body, and the opening and closing rotating component corresponds to the position of the reinforcing connecting piece and is matched in shape.

[0007] In the above-mentioned soil sampling device for geological exploration, the opening and closing rotating assembly includes a plurality of opening and closing rotating fan plates arranged on the outer side of the annular inner cylinder, the opening and closing rotating fan plates are located above the reinforcing connecting piece, and a fan plate driving member for driving the opening and closing rotating fan plates to rotate circumferentially is provided in the soil sampling main cylinder.

[0008] In the above-mentioned soil sampling device for geological exploration, the fan plate driving component includes a first motor arranged in the soil sampling main cylinder, and the bottom of the rotating shaft of the first motor is connected to a connecting frame, which extends into the annular inner cylinder and is fixedly connected to the opening and closing rotating fan plate.

[0009] In the above-mentioned soil sampling device for geological exploration, the reinforced connecting part includes a plurality of reinforced connecting fan plates arranged on the outer side of the annular inner cylinder, and a plurality of opening and closing rotating fan plates are distributed in a circular array along the center point of the annular inner cylinder. The plurality of reinforced connecting fan plates are distributed in a circular array along the center point of the annular inner cylinder, and the positions of the reinforced connecting fan plates correspond to those of the opening and closing rotating fan plates and their shapes are matched.

[0010] In the above-mentioned soil sampling device for geological exploration, one end of the reinforced connecting fan plate is fixedly connected to the outer side surface of the annular inner cylinder, and the other end is against the inner wall surface of the outer cylinder wall or the inner wall surface of the detachable outer wall plate.

[0011] In the above-mentioned soil sampling device for geological exploration, the connection structure includes a plurality of bolts arranged between the detachable outer wall plate and the soil sampling main tube, and the outer end surface of the reinforced connection fan plate and the inner wall surface of the detachable outer wall plate are fixed by bolts at the point where they abut.

[0012] In the above-mentioned soil sampling device for geological exploration, a lifting platform is provided between the linear drive and the soil sampling main cylinder, the driving shaft of the linear drive is connected to the top wall of the lifting platform, a second motor is provided in the lifting platform, and the rotating shaft of the second motor is connected to the top wall of the soil sampling main cylinder.

[0013] In the above-mentioned soil sampling device for geological exploration, the bottom of the linear drive is provided with a limiting member, and the lifting platform is slidably matched with the limiting member.

[0014] In the above-mentioned soil sampling device for geological exploration, the limiting member includes a limiting frame arranged at the bottom of the linear drive, and the outer side surface of the lifting platform is slidably matched with the inner wall surface of the limiting frame.

[0015] In the above-mentioned soil sampling device for geological exploration, a plurality of fixed pile heads are provided at the bottom of the sampling support frame.

[0016] Compared with the existing technology, the advantages of the utility model are:

[0017] 1. During use of the utility model, the sampling support frame is fixed to the ground, and the soil sampling main cylinder moves downward while rotating circumferentially. During the sampling process, the opening and closing rotating assembly is rotated to coincide with the reinforcing connecting piece, opening the bottom opening of the outer sampling chamber, and the soil synchronously enters the first sampling chamber and the outer sampling chamber, and multi-chamber synchronous sampling of the soil is performed. After the sampling is completed, the opening and closing rotating assembly is rotated so that the opening and closing rotating assembly and the reinforcing connecting piece are staggered to close the bottom opening of the outer sampling chamber to avoid loosening of the sampled soil in the outer sampling chamber, and the stratification is more accurate. When checking the soil, the connecting structure is disassembled, and the detachable outer wall panel is disassembled from the soil sampling main cylinder. The detachable structure is adopted to facilitate the inspection personnel to collect soil in each stratified part. The device adopts multi-chamber sampling, and two samples can be collected at one time. On the one hand, it is convenient for comparative inspection, and on the other hand, it can reduce sample errors and make sampling more accurate.

[0018] 2. One end of the reinforced connecting fan plate in the utility model is fixedly connected to the outer side surface of the annular inner cylinder, and the other end is against the inner wall surface of the outer cylinder wall or the inner wall surface of the detachable outer wall plate, which plays a role in connection and fixation, and strengthens the structural strength of the connection.

[0019] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 yes Figure 1 A magnified schematic diagram of center A.

[0022] Figure 3 It is a cross-sectional schematic diagram of the soil sampling main cylinder.

[0023] Figure 4This is a top view of the soil sampling main cylinder.

[0024] In the figure: sampling support frame 1, linear drive 2, soil sampling main cylinder 3, annular inner cylinder 4, outer cylinder wall 5, first sampling chamber 6, detachable outer wall plate 7, outer sampling chamber 8, connecting structure 9, reinforced connecting piece 10, opening and closing rotating assembly 11, opening and closing rotating fan plate 12, fan plate driving member 13, first motor 14, connecting frame 15, reinforced connecting fan plate 16, bolts 17, lifting platform 18, second motor 19, limit member 20, limit frame 21, fixed pile head 22. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings.

[0026] like Figure 1-4 As shown, a soil sampling device for geological exploration comprises a sampling support frame 1, on which a linear drive 2 is fixed, and below the linear drive 2 is a soil sampling main barrel 3 which can reciprocate linearly in the vertical direction and can rotate circumferentially, the soil sampling main barrel 3 comprises an annular inner barrel body 4 and an outer barrel wall portion 5, the annular inner barrel body 4 has a first sampling chamber 6, the outer side surface of the soil sampling main barrel 3 is screwed with a detachable outer wall plate 7, the outer side surface of the detachable outer wall plate 7 is flush with the outer side surface of the outer barrel wall portion 5, an outer sampling chamber 8 is formed between the inner wall surface formed by the annular inner barrel body 4, the detachable outer wall plate 7 and the outer barrel wall portion 5, the detachable outer wall plate 7 is connected to the soil sampling main barrel 3 by a connecting structure 9, the outer side surface of the annular inner barrel body 4 is provided with a reinforcing connecting piece 10 and a rotatable opening and closing rotating component 11, the opening and closing rotating component 11 corresponds to the position of the reinforcing connecting piece 10 and is matched in shape.

[0027] In this embodiment, during use, the sampling support frame 1 is fixed to the ground, and the soil sampling main cylinder 3 moves downward while rotating circumferentially. During the sampling process, the opening and closing rotating component 11 is rotated to coincide with the reinforcing connecting piece 10, opening the bottom opening of the outer sampling chamber 8, and the soil synchronously enters the first sampling chamber 6 and the outer sampling chamber 8, and multi-cavity synchronous sampling of the soil is performed. After the sampling is completed, the opening and closing rotating component 11 is rotated so that the opening and closing rotating component 11 and the reinforcing connecting piece 10 are staggered to close the bottom opening of the outer sampling chamber 8 to prevent the sampled soil in the outer sampling chamber 8 from loosening, and the stratification is more accurate. When checking the soil, the connecting structure 9 is disassembled, and the detachable outer wall panel 7 is disassembled from the soil sampling main cylinder 3. The detachable structure is adopted to facilitate the inspection personnel to collect soil in each stratified part. The device adopts multi-chamber sampling, and two samples can be collected at one time. On the one hand, it is convenient for comparative inspection, and on the other hand, it can reduce sample errors and make sampling more accurate.

[0028] Combination Figure 1-4 As shown, the opening and closing rotating assembly 11 includes a plurality of opening and closing rotating fan plates 12 arranged on the outer side surface of the annular inner cylinder 4, the opening and closing rotating fan plates 12 are located above the reinforcing connecting member 10, and a fan plate driving member 13 for driving the opening and closing rotating fan plates 12 to rotate circumferentially is provided in the soil sampling main cylinder 3.

[0029] Specifically, during the sampling process, the opening and closing rotating fan plate 12 rotates to coincide with the reinforcing connecting piece 10, opening the bottom opening of the outer sampling chamber 8, and the soil synchronously enters the first sampling chamber 6 and the outer sampling chamber 8, and multi-chamber synchronous sampling of the soil is performed. After the sampling is completed, the opening and closing rotating fan plate 12 is rotated so that the opening and closing rotating fan plate 12 and the reinforcing connecting piece 10 are staggered to close the bottom opening of the outer sampling chamber 8, thereby preventing the sampled soil in the outer sampling chamber 8 from loosening, making the stratification more accurate, and preventing the soil from falling during the upward pumping process.

[0030] Combination Figure 2 , Figure 3 As shown, the fan plate driving member 13 includes a first motor 14 arranged in the soil sampling main cylinder 3, and the bottom of the rotating shaft of the first motor 14 is connected to a connecting frame 15, and the connecting frame 15 extends into the annular inner cylinder 4 and is fixedly connected to the opening and closing rotating fan plate 12.

[0031] In this embodiment, the first motor 14 is used to drive the connecting frame 15 , and the connecting frame 15 is connected to the opening and closing rotating fan plate 12 .

[0032] The reinforced connecting member 10 includes a plurality of reinforced connecting fan plates 16 arranged on the outer side surface of the annular inner cylinder 4, and a plurality of opening and closing rotating fan plates 12 are distributed in a circular array along the center point of the annular inner cylinder 4. The plurality of reinforced connecting fan plates 16 are distributed in a circular array along the center point of the annular inner cylinder 4. The positions of the reinforced connecting fan plates 16 and the opening and closing rotating fan plates 12 correspond and their shapes are matched. One end of the reinforced connecting fan plate 16 is fixedly connected to the outer side surface of the annular inner cylinder 4, and the other end is abutted against the inner wall surface of the outer cylinder wall portion 5 or the inner wall surface of the detachable outer wall plate 7.

[0033] In this embodiment, one end of the reinforced connecting fan plate 16 is fixedly connected to the outer side surface of the annular inner cylinder 4, and the other end is abutted against the inner wall surface of the outer cylinder wall portion 5 or the inner wall surface of the detachable outer wall plate 7, playing a role of connecting and fixing, and strengthening the structural strength of the connection.

[0034] The connection structure 9 includes a plurality of bolts 17 disposed between the detachable outer wall plate 7 and the soil sampling main tube 3 , and the outer end surface of the reinforced connection fan plate 16 and the inner wall surface of the detachable outer wall plate 7 are fixed by the bolts 17 at the point where they abut against each other.

[0035] In this embodiment, the bolts 17 facilitate the disassembly and assembly of the detachable outer wall plate 7, and the detachable structure is adopted, which is beneficial to the subsequent soil collection.

[0036] A lifting platform 18 is provided between the linear drive 2 and the soil sampling main cylinder 3 , the driving shaft of the linear drive 2 is connected to the top wall of the lifting platform 18 , a second motor 19 is provided inside the lifting platform 18 , and the rotating shaft of the second motor 19 is connected to the top wall of the soil sampling main cylinder 3 .

[0037] In this embodiment, the linear drive 2 can drive the lifting platform 18 to move up and down linearly, and the second motor 19 is used to drive the soil sampling main cylinder 3 to rotate circumferentially. The bottom of the soil sampling main cylinder 3 has a serrated structure to facilitate drilling.

[0038] Combination Figure 1 As shown, the bottom of the linear drive 2 has a limiting member 20 , and the lifting platform 18 is slidably matched with the limiting member 20 .

[0039] In this embodiment, during the lifting process of the lifting platform 18, the lifting platform 18 and the limiting member 20 are slidably matched, and the limiting member 20 limits the lifting platform 18 to prevent the lifting platform 18 from angular or positional deviation during the up and down movement.

[0040] Combination Figure 1 As shown, the limiting member 20 includes a limiting frame 21 disposed at the bottom of the linear drive 2 , and the outer side surface of the lifting platform 18 is slidably matched with the inner wall surface of the limiting frame 21 .

[0041] In this embodiment, during the lifting process of the lifting platform 18, the lifting platform 18 and the limiting frame 21 are slidably matched, and the limiting frame 21 limits the lifting platform 18 to prevent the lifting platform 18 from angular or positional deviation during the up and down movement.

[0042] Combination Figure 1 As shown, a plurality of fixed pile heads 22 are provided at the bottom of the sampling support frame 1 .

[0043] In this embodiment, the fixed pile head 22 facilitates the fixing of the sampling support frame 1, thereby preventing the sampling support frame 1 from tipping over during the soil sampling process, and the stability is relatively strong.

[0044] The working principle of the utility model is:

[0045] The outer sampling chamber 8 is opened and the soil is synchronously sampled by the multi-chamber synchronous sampling. After the sampling is completed, the opening and closing rotating fan plate 12 is rotated so that the opening and closing rotating fan plate 12 and the reinforcing connecting piece 10 are staggered to close the bottom opening of the outer sampling chamber 8 to prevent the sampled soil in the outer sampling chamber 8 from loosening, so that the stratification is more accurate and the soil will not fall during the upward extraction. When checking the soil, the connecting structure 9 is disassembled and the detachable outer wall plate 7 is disassembled from the soil sampling main cylinder 3. The detachable structure is adopted to facilitate the inspection personnel to collect the soil in each layer. The device adopts multi-chamber sampling and can collect two samples at one time. On the one hand, it is convenient for comparative inspection and on the other hand, it can reduce sample error and make sampling more accurate.

[0046] The first motor 14 is used to drive the connecting frame 15, and the connecting frame 15 is connected to the opening and closing rotating fan plate 12. One end of the strengthening connecting fan plate 16 is fixedly connected to the outer side surface of the annular inner cylinder 4, and the other end is against the inner wall surface of the outer cylinder wall 5 or the inner wall surface of the detachable outer wall plate 7, which plays a role of connection and fixing, and strengthens the structural strength of the connection.

[0047] The bolts 17 facilitate the disassembly and assembly of the detachable outer wall plate 7, and the detachable structure is conducive to the subsequent soil collection.

[0048] The linear drive 2 can drive the lifting platform 18 to move up and down linearly. The second motor 19 is used to drive the soil sampling main cylinder 3 to rotate circumferentially. The bottom of the soil sampling main cylinder 3 has a serrated structure to facilitate drilling.

[0049] During the lifting process of the lifting platform 18, the lifting platform 18 and the limiting frame 21 are slidably matched, and the limiting frame 21 limits the lifting platform 18 to prevent the lifting platform 18 from being offset in angle or position during the up and down movement.

[0050] The fixed pile head 22 facilitates the fixing of the sampling support frame 1 and prevents the sampling support frame 1 from tipping over during the soil sampling process, and has strong stability.

[0051] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways without departing from the spirit of the present invention.

[0052] Although this article uses more terms such as sampling support frame 1, linear drive 2, soil sampling main cylinder 3, annular inner cylinder 4, outer cylinder wall 5, first sampling chamber 6, detachable outer wall plate 7, outer sampling chamber 8, connecting structure 9, reinforcing connecting member 10, opening and closing rotating assembly 11, opening and closing rotating fan plate 12, fan plate driving member 13, first motor 14, connecting frame 15, reinforcing connecting fan plate 16, bolt 17, lifting platform 18, second motor 19, limiter 20, limiter frame 21, fixed pile head 22, etc., it does not exclude the possibility of using other terms. The use of these terms is only to more conveniently describe and explain the essence of the utility model, and interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A soil sampling device for geological exploration, comprising a sampling support frame (1), on which a linear drive (2) is fixed, characterized in that: A soil sampling main cylinder (3) is provided below the linear drive (2) and is capable of reciprocating linear motion in the vertical direction and circumferential rotation. The soil sampling main cylinder (3) comprises an annular inner cylinder (4) and an outer cylinder wall (5). The annular inner cylinder (4) has a first sampling chamber (6). A detachable outer wall plate (7) is screwed to the outer side of the soil sampling main cylinder (3). The outer side of the detachable outer wall plate (7) is flush with the outer side of the outer cylinder wall (5). An outer sampling chamber (8) is formed between the inner cylinder (4), the removable outer wall plate (7) and the outer cylinder wall portion (5), and the removable outer wall plate (7) is connected to the soil sampling main cylinder (3) via a connecting structure (9). A reinforcing connecting piece (10) and a rotatable opening and closing rotating assembly (11) are provided on the outer side surface of the annular inner cylinder (4). The opening and closing rotating assembly (11) corresponds to the position of the reinforcing connecting piece (10) and matches the shape thereof.

2. A soil sampling device for geological exploration according to claim 1, characterized in that: The opening and closing rotating assembly (11) comprises a plurality of opening and closing rotating fan plates (12) arranged on the outer side surface of the annular inner cylinder (4); the opening and closing rotating fan plates (12) are located above the reinforcing connecting member (10); and a fan plate driving member (13) for driving the opening and closing rotating fan plates (12) to rotate circumferentially is provided in the soil sampling main cylinder (3).

3. A soil sampling device for geological exploration according to claim 2, characterized in that: The fan plate driving member (13) comprises a first motor (14) arranged in the soil sampling main cylinder (3); the bottom of the rotating shaft of the first motor (14) is connected to a connecting frame (15); the connecting frame (15) extends into the annular inner cylinder (4) and is fixedly connected to the opening and closing rotating fan plate (12).

4. A soil sampling device for geological exploration according to claim 3, characterized in that: The reinforcing connecting member (10) comprises a plurality of reinforcing connecting fan plates (16) arranged on the outer side surface of the annular inner cylinder (4), the plurality of opening and closing rotating fan plates (12) are distributed in an annular array along the center point of the annular inner cylinder (4), the plurality of reinforcing connecting fan plates (16) are distributed in an annular array along the center point of the annular inner cylinder (4), and the positions of the reinforcing connecting fan plates (16) and the opening and closing rotating fan plates (12) correspond and their shapes match.

5. A soil sampling device for geological exploration according to claim 4, characterized in that: One end of the reinforced connecting fan plate (16) is fixedly connected to the outer side surface of the annular inner cylinder (4), and the other end is in contact with the inner wall surface of the outer cylinder wall portion (5) or the inner wall surface of the detachable outer wall plate (7).

6. A soil sampling device for geological exploration according to claim 5, characterized in that: The connection structure (9) comprises a plurality of bolts (17) arranged between the detachable outer wall plate (7) and the soil sampling main cylinder (3), and the outer end surface of the reinforced connection fan plate (16) and the inner wall surface of the detachable outer wall plate (7) are fixed by the bolts (17) at the point where they abut against each other.

7. A soil sampling device for geological exploration according to claim 6, characterized in that: A lifting platform (18) is provided between the linear drive (2) and the soil sampling main cylinder (3); a driving shaft of the linear drive (2) is connected to the top wall of the lifting platform (18); a second motor (19) is provided inside the lifting platform (18); a rotating shaft of the second motor (19) is connected to the top wall of the soil sampling main cylinder (3).

8. A soil sampling device for geological exploration according to claim 7, characterized in that: The bottom of the linear drive (2) is provided with a limiting member (20), and the lifting platform (18) is slidably matched with the limiting member (20).

9. A soil sampling device for geological exploration according to claim 8, characterized in that: The limiting member (20) comprises a limiting frame (21) arranged at the bottom of the linear drive (2), and the outer side surface of the lifting platform (18) is slidably matched with the inner wall surface of the limiting frame (21).

10. A soil sampling device for geological exploration according to claim 9, characterized in that: A plurality of fixed pile heads (22) are provided at the bottom of the sampling support frame (1).

Images