A soft rock sampling device

Abstract

The present invention discloses a soft rock sampling device, which relates to the technical field of geotechnical engineering. The device includes a support frame, and an adjustment component is provided at the end of the support frame. At the same time, a protective rod is provided at the lower end of the support frame, and the adjustment component is supported by the protective rod. In this soft rock sampling device, when the power component is started, it drives the power block to move synchronously. When the power block moves, it drives the pressing block to rotate around the pushing block, so that the lower end of the pushing block moves closer to the middle. Since the lower end of the pressing block moves with the adjustment block, when the adjustment block moves along the guiding groove, it moves along the arc-shaped groove synchronously, thereby driving the rotating plate to rotate, and cooperating with the connecting block and the extraction plate to rotate, so as to slowly extract the soft rock.

Description

Technical Field

[0001] The present invention relates to geotechnical engineering technology, and particularly to a soft rock sampling device. Background Art

[0002] Geological exploration refers to the work of systematically, comprehensively investigating, observing, measuring, analyzing, and researching the geological environment on the earth's surface. It is an important branch of geology and is the prerequisite and foundation for fields such as mineral resource development, water conservancy project construction, land use planning, and environmental protection. The main tasks of geological exploration include: investigation and research on geological landforms, geological structures, geological rocks and minerals, groundwater, earthquakes, etc., as well as evaluation and analysis of geological disasters, environmental geology, etc. in the exploration area to provide a scientific basis for the exploration, development, utilization, and protection of natural resources; geological exploration requires sampling of the geology, and by detecting the obtained samples, the geological conditions can be known.

[0003] Soft rock is a complex geotechnical mechanics medium with significant plastic deformation under a specific environment. The International Society for Rock Mechanics defines soft rock as a type of rock with a uniaxial compressive strength between 0.5 and 2.5 MPa, belonging to the category of soft rock. Its basic mechanical theories and methods urgently need to be studied in depth. However, there are still technical problems in the integrity of soft rock sampling at home and abroad. Soft rock-related geotechnical tests usually require cylindrical specimens for the study of mechanical properties. However, due to the easy fragmentation and low strength of soft rock, sampling soft rock by traditional rock drilling sampling methods is extremely likely to cause the sampled rock samples to break and crack, and it is very difficult to obtain complete cylindrical specimens.

[0004] In the Chinese invention patent with the publication number CN115979704A, a weathered soft rock sampling device is disclosed. This weathered soft rock sampling device uses a driving motor to cooperate with a screw propelling rod, a steering gear shaft, and a screw connecting rod to drive a circular sampling drill cylinder to rise and fall, and is equipped with an electric motor to drive the sampler to take samples. The circular sampling drill cylinder drills into the surrounding rock and soil layers stably, reducing disturbance. The internal sampler rotates in, with little disturbance to the weathered soft rock. Drilling without water avoids the disintegration of soft rock, and the sampling is relatively complete. Each component of the weathered soft rock sampling device is small, light, detachable and assembled, facilitating movement and maintenance.

[0005] When the existing equipment is in use, the pressure of the sampler may compress or squeeze the soft rock, resulting in sample deformation or compaction, so that the pore structure and physical properties of the sample may be changed, affecting the subsequent experimental analysis results. At the same time, the substances in the soft rock layer may be unevenly distributed, with changes in hardness or structure. During the sampling process, it is difficult to ensure the representativeness and uniformity of the sample, and to avoid deviation or inaccurate sample extraction during the drilling process. Therefore, a soft rock sampling device has been developed. Summary of the Invention

[0006] The object of the present invention is to provide a soft rock sampling device to solve the above deficiencies in the prior art.

[0007] To achieve the above object, the present invention provides the following technical solution: A soft rock sampling device includes a support frame. An adjusting component is provided at the end of the support frame. At the same time, a protective rod is provided at the lower end of the support frame, and the adjusting component is supported by the protective rod.

[0008] A sampling component is assembled at the lower end of the adjusting component, and the soft rock is extracted by the sampling component.

[0009] Among them, the sampling component includes a docking block. A plurality of limiting blocks are provided at the lower end of the docking block, and the plurality of limiting blocks are evenly distributed at the lower end of the docking block. At the same time, a pushing block is rotatably installed at the lower end of each limiting block.

[0010] A power component is provided at the middle position of the lower end of the docking block. The output end of the power component is provided with a power block corresponding to the pushing block. One end of the power block away from the power component is rotatably installed with a pressing block, and one side of the pressing block is rotatably connected to the lower end of the pushing block.

[0011] A positioning plate is provided below the power component. A guiding groove corresponding to the pressing block is opened at the upper end of the positioning plate, and an adjusting block is slidably installed on the inner wall of the guiding groove. The upper end of the adjusting block is rotatably connected to the lower end of the pressing block.

[0012] A rotating plate is rotatably installed at the lower end of the positioning plate. An arc-shaped groove corresponding to the guiding groove is opened at the upper end of the rotating plate. The lower end of the adjusting block is slidably connected to the inner wall of the arc-shaped groove. At the same time, a connecting block corresponding to the arc-shaped groove is provided on the outer surface of the rotating plate, and an extraction plate is rotatably installed at the end of each connecting block.

[0013] As a further optimized solution of the present invention, a fixing column is provided at the lower end of the power component, and the fixing column is connected to the positioning plate.

[0014] As a further optimized solution of the present invention, the adjusting component includes a protective cylinder connected to the support frame. A fixing cylinder is provided at the upper end of the inner cavity of the protective cylinder. A rotating rod is rotatably installed at the upper end of the protective cylinder, and the lower end of the rotating rod penetrates and extends into the inner cavity of the fixing cylinder.

[0015] As a further optimized solution of the present invention, a fixing plate is provided in the inner cavity of the fixing cylinder, and a through hole is opened at the end of the fixing plate. The inner wall of the through hole is rotatably connected to the outer surface of the rotating rod.

[0016] As a further optimized solution of the present invention, a plurality of sliding grooves are provided at the end of the fixing plate, and the plurality of sliding grooves are evenly distributed at the end of the fixing plate.

[0017] As a further optimized solution of the present invention, a rotating block is rotatably installed at the middle position of the end of the fixing plate, and the upper end of the rotating block is connected to the lower end of the rotating rod.

[0018] As a further optimized solution of the present invention, an arc-shaped rod corresponding to the sliding groove is rotatably installed on the outer surface of the rotating block, and a slider is rotatably installed at one end of the arc-shaped rod away from the rotating block.

[0019] As a further optimized solution of the present invention, the outer surface of the slider is slidably connected to the inner wall of the sliding groove, and an arc-shaped plate is provided at one end of the slider away from the arc-shaped rod, and the outer surface of the arc-shaped plate fits against the inner wall of the fixed cylinder.

[0020] As a further optimized solution of the present invention, an adjusting rod is provided at the end of the fixing plate, the end of the adjusting rod penetrates and extends to the outside of the fixed cylinder, a movable block is provided at one end of the adjusting rod away from the fixing plate, a clamping block is provided at the end of the movable block, and at the same time, the upper end of the clamping block is connected to the docking block.

[0021] As a further optimized solution of the present invention, an annular block is provided on the inner wall of the protective cylinder, and the inner wall of the annular block is slidably connected to the outer surface of the end of the movable block.

[0022] Compared with the prior art, a soft rock sampling device provided by the present invention has the following beneficial effects: When the power component is started, it synchronously drives the power block to move. When the power block moves, it drives the pressing block to rotate around the pushing block, so that the lower end of the pushing block moves closer to the middle. Since the lower end of the pressing block moves with the adjusting block, when the adjusting block moves along the guiding groove, it synchronously moves along the arc-shaped groove, thereby driving the rotating plate to rotate, and cooperating with the connecting block and the extraction plate to rotate, so as to slowly extract the soft rock.

[0023] A fixing component such as a screw is provided at the end of the connecting block, so that after the extraction plate rotates to a certain angle, it is fixed. When the extraction plate rotates, the extraction plate is in an inclined state, so that the extraction plate moves closer to the middle during slow rotation until it is completely closed, and the extracted soft rock is taken out.

[0024] When the adjusting rod moves upward, it synchronously drives the movable block to move. Since the two ends of the movable block are slidably connected to the inner wall of the annular block, when the movable block is stressed, it rotates around the connection with the annular block, and adjusts the angle of the clamping block to make it suitable for the current scenario. Description of the Drawings

[0025] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0026] Figure 1 Schematic diagram of the overall structure provided by the embodiment of the present invention;

[0027] Figure 2 Schematic diagram of the structure of the adjustment component provided by the embodiment of the present invention;

[0028] Figure 3 Cross-sectional view of the internal structure of the adjustment component provided by the embodiment of the present invention;

[0029] Figure 4 Schematic diagram of the structure of the fixing plate provided by the embodiment of the present invention;

[0030] Figure 5 Cross-sectional view of the internal structure of the fixing plate provided by the embodiment of the present invention;

[0031] Figure 6 Schematic diagram of the structure of the sampling component provided by the embodiment of the present invention;

[0032] Figure 7 First cross-sectional view of the internal structure of the sampling component provided by the embodiment of the present invention;

[0033] Figure 8 Second cross-sectional view of the internal structure of the sampling component provided by the embodiment of the present invention;

[0034] Figure 9 Third cross-sectional view of the internal structure of the sampling component provided by the embodiment of the present invention.

[0035] Explanation of reference numerals:

[0036] 1, support frame; 2, adjustment component; 3, sampling component; 11, protective rod; 21, protective cylinder; 22, fixed cylinder; 23, fixing plate; 231, through hole; 232, rotating rod; 233, sliding groove; 24, rotating block; 241, elastic member; 25, arc rod; 26, slider; 27, arc plate; 28, adjustment rod; 281, movable block; 282, clamping block; 29, annular block; 31, docking block; 32, limiting block; 33, pushing block; 34, power member; 35, power block; 36, pressing block; 37, adjustment block; 38, positioning plate; 381, guiding groove; 39, rotating plate; 391, arc groove; 392, connecting block; 393, extraction plate. Detailed implementation manners

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0038] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention; the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly defined and limited, the terms "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0039] Embodiment: Please refer to Figures 1-9 , a soft rock sampling device, including a support frame 1. An adjustment component 2 is arranged at the end of the support frame 1. At the same time, a protective rod 11 is arranged at the lower end of the support frame 1, and the adjustment component 2 is supported by the protective rod 11.

[0040] In this solution, the protective rod 11 is composed of a device with a telescopic function such as an electric telescopic rod and is connected to an external control device. At the same time, a component with an anti-slip function such as rubber is arranged at the lower end of the protective rod 11, so that the whole is kept stable when fixed by the protective rod 11.

[0041] Furthermore, a sampling component 3 is assembled at the lower end of the adjustment component 2, and the soft rock is extracted by the sampling component 3; wherein, the sampling component 3 includes a docking block 31. A plurality of limiting blocks 32 are arranged at the lower end of the docking block 31, and the plurality of limiting blocks 32 are evenly distributed at the lower end of the docking block 31. At the same time, a pushing block 33 is rotatably installed at the lower end of each limiting block 32.

[0042] A power component 34 is arranged at the middle position of the lower end of the docking block 31. The output end of the power component 34 is provided with a power block 35 corresponding to the pushing block 33. One end of the power block 35 away from the power component 34 is rotatably installed with a pressing block 36, and one side of the pressing block 36 is rotatably connected to the lower end of the pushing block 33.

[0043] In this embodiment, the power component 34 is a device with power output such as an electric telescopic rod, and is connected to an external control device. When the power component 34 is started, it simultaneously drives the power block 35 arranged at its output end to move. Since the end of the power block 35 is rotatably connected to the pressing block 36, the power block 35 drives the pressing block 36 to rotate around the connection with the pushing block 33, so that the lower end of the pressing block 36 moves closer to the middle or expands outwards.

[0044] The control device can select a single-chip microcomputer as the control terminal. In this embodiment, the single-chip microcomputer is a typical embedded microcontroller (Micro controller Unit), which is composed of an arithmetic unit, a controller, a memory, input and output devices, etc., and is equivalent to a miniature computer. Compared with the general-purpose microprocessor applied in personal computers, it emphasizes more on self-supply (without external hardware) and cost savings. Its greatest advantage is its small size, which can be placed inside the instrument, but it has a small storage capacity, simple input and output interfaces, and low power consumption.

[0045] Further, a positioning plate 38 is arranged below the power component 34. A guiding groove 381 corresponding to the pressing block 36 is opened at the upper end of the positioning plate 38. An adjusting block 37 is slidably installed on the inner wall of the guiding groove 381. The upper end of the adjusting block 37 is rotatably connected to the lower end of the pressing block 36. A fixing column is arranged at the lower end of the power component 34, and is connected to the positioning plate 38 through the fixing column.

[0046] Specifically, since the upper end of the adjusting block 37 is rotatably connected to the lower end of the pressing block 36, when the pressing block 36 moves, it simultaneously drives the adjusting block 37 to move along the guiding groove 381. At the same time, the positioning plate 38 is fixed through the fixing column, so that the whole positioning plate 38 remains stable.

[0047] A guiding rod is arranged at the lower end of the adjusting block 37, and the outer surface of the guiding rod sequentially passes through the guiding groove 381 and the arc-shaped groove 391.

[0048] Further, a rotating plate 39 is rotatably installed at the lower end of the positioning plate 38. An arc-shaped groove 391 corresponding to the guiding groove 381 is opened at the upper end of the rotating plate 39. The lower end of the adjusting block 37 is slidably connected to the inner wall of the arc-shaped groove 391. At the same time, a connecting block 392 corresponding to the arc-shaped groove 391 is arranged on the outer surface of the rotating plate 39. The end of each connecting block 392 is rotatably installed with a extracting plate 393.

[0049] Specifically, when the power component 34 is activated, it synchronously drives the power block 35 to move. When the power block 35 moves, it drives the pressing block 36 to rotate around the pushing block 33, so that the lower end of the pushing block 33 moves closer to the middle. Since the lower end of the pressing block 36 moves with the adjusting block 37, when the adjusting block 37 moves along the guiding groove 381, it synchronously moves along the arc-shaped groove 391, thereby driving the rotating plate 39 to rotate, and cooperating with the connecting block 392 and the extraction plate 393 to rotate, and slowly extracting the soft rock.

[0050] The end of the connecting block 392 is provided with components such as screws that have a fixing function, so that after the extraction plate 393 rotates to a certain angle, it is fixed. When the extraction plate 393 rotates, the extraction plate 393 is in an inclined state, and the extraction plate 393 moves closer to the middle during slow rotation until it is completely closed, and the extracted soft rock is taken out.

[0051] Further, the adjusting assembly 2 includes a protective cylinder 21 connected to the support frame 1. The upper end of the inner cavity of the protective cylinder 21 is provided with a fixed cylinder 22. The upper end of the protective cylinder 21 is rotatably installed with a rotating rod 232, and the lower end of the rotating rod 232 penetrates and extends into the inner cavity of the fixed cylinder 22.

[0052] In this embodiment, the outer surface of the protective cylinder 21 is connected to the support frame 1, so that the protective cylinder 21 is in a suspended state and the stability of the entire adjusting assembly 2 is ensured.

[0053] Further, a fixing plate 23 is arranged in the inner cavity of the fixed cylinder 22, and a through hole 231 is opened at the end of the fixing plate 23. The inner wall of the through hole 231 is rotatably connected to the outer surface of the rotating rod 232. A rotating block 24 is rotatably installed at the middle position of the end of the fixing plate 23, and the upper end of the rotating block 24 is connected to the lower end of the rotating rod 232.

[0054] Specifically, when the rotating rod 232 rotates, it synchronously drives the rotating block 24 rotatably installed on the fixing plate 23 to rotate. At the same time, the outer surface of the rotating rod 232 is rotatably connected to the inner wall of the through hole 231, thereby ensuring the stability of the rotating rod 232, so that the rotating rod 232 does not shake when rotating, thus avoiding the situation of jamming.

[0055] Further, an arc-shaped rod 25 corresponding to the sliding groove 233 is rotatably installed on the outer surface of the rotating block 24, and a slider 26 is rotatably installed at the end of the arc-shaped rod 25 away from the rotating block 24. A plurality of groups of sliding grooves 233 are opened at the end of the fixing plate 23, and the plurality of groups of sliding grooves 233 are evenly distributed at the end of the fixing plate 23.

[0056] Specifically, when the rotating block 24 rotates, it synchronously drives the arc-shaped rod 25 rotatably mounted on its outer surface to rotate. Since the end of the arc-shaped rod 25 is rotatably mounted with a slider 26, the slider 26 is driven to move on the inner wall of the chute 233. The slider 26 is limited by the chute 233 to prevent the slider 26 from deviating during movement.

[0057] At the same time, an elastic member 241 is provided at the end of the rotating block 24. The elastic member 241 is a torsion spring, and its ends are respectively connected to two symmetric rotating blocks 24.

[0058] Furthermore, the outer surface of the slider 26 is slidably connected to the inner wall of the chute 233, and an arc-shaped plate 27 is provided at one end of the slider 26 away from the arc-shaped rod 25. The outer surface of the arc-shaped plate 27 is attached to the inner wall of the fixed cylinder 22.

[0059] Specifically, when the slider 26 moves, it pushes the arc-shaped plate 27 to expand outwards, so as to tightly press against the inner wall of the fixed cylinder 22. Among them, anti-slip components such as rubber are provided on the outer surface of the arc-shaped plate 27.

[0060] Furthermore, an adjusting rod 28 is provided at the end of the fixing plate 23. The end of the adjusting rod 28 penetrates and extends to the outside of the fixed cylinder 22. An active block 281 is provided at one end of the adjusting rod 28 away from the fixing plate 23. A clamping block 282 is provided at the end of the active block 281. At the same time, the upper end of the clamping block 282 is connected to the lower end of the docking block 31. An annular block 29 is provided on the inner wall of the protective cylinder 21. The inner wall of the annular block 29 is slidably connected to the outer surface of the end of the active block 281.

[0061] Specifically, when the adjusting rod 28 moves upwards, it synchronously drives the active block 281 to move. Since the two ends of the active block 281 are slidably connected to the inner wall of the annular block 29, when the active block 281 is stressed, it rotates around the connection with the annular block 29, and adjusts the angle of the clamping block 282 to make it suitable for the current scenario.

[0062] Only some exemplary embodiments of the present invention are described by way of illustration above. Undoubtedly, for those of ordinary skill in the art, without departing from the spirit and scope of the present invention, the described embodiments can be modified in various different ways. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the protection scope of the claims of the present invention.

Claims

1. A soft rock sampling device, characterized in that: It comprises a support frame (1), an adjustment component (2) is arranged at the end of the support frame (1), and a protection rod (11) is arranged at the lower end of the support frame (1), and the adjustment component (2) is supported by the protection rod (11); A sampling assembly (3) is assembled at the lower end of the adjusting assembly (2), and soft rock is extracted through the sampling assembly (3); The sampling assembly (3) comprises a docking block (31), a plurality of groups of limit blocks (32) are arranged at the lower end of the docking block (31), and the plurality of groups of limit blocks (32) are evenly distributed at the lower end of the docking block (31), and a push block (33) is rotatably mounted at the lower end of each limit block (32); A power piece (34) is provided at the middle position of the lower end of the docking block (31); a power block (35) corresponding to the pushing block (33) is provided at the output end of the power piece (34); a pressing block (36) is rotatably mounted on one end of the power block (35) away from the power piece (34); one side of the pressing block (36) is rotatably connected to the lower end of the pushing block (33); A positioning plate (38) is provided below the power member (34); a guide groove (381) corresponding to the pressing block (36) is provided at the upper end of the positioning plate (38); an adjustment block (37) is slidably mounted on the inner wall of the guide groove (381); the upper end of the adjustment block (37) is rotatably connected to the lower end of the pressing block (36); A rotating plate (39) is rotatably mounted on the lower end of the positioning plate (38); an arc-shaped groove (391) corresponding to the guide groove (381) is formed on the upper end of the rotating plate (39); the lower end of the adjusting block (37) is slidably connected to the inner wall of the arc-shaped groove (391); and a connecting block (392) corresponding to the arc-shaped groove (391) is disposed on the outer surface of the rotating plate (39); an extracting plate (393) is rotatably mounted on the end of each connecting block (392); A screw is provided at the end of the connecting block (392) so that the extraction plate (393) is fixed after being rotated to a certain angle, so that when the extraction plate (393) is rotated, the extraction plate (393) is in an inclined state, and the extraction plate (393) moves toward the middle when slowly rotating until it is completely closed.

2. A soft rock sampling device according to claim 1, characterized in that: A fixing column is provided at the lower end of the power member (34), and is connected to the positioning plate (38) via the fixing column.

3. A soft rock sampling device according to claim 1, characterized in that: The adjustment assembly (2) comprises a protective tube (21) connected to the support frame (1); a fixing tube (22) is arranged at the upper end of the inner cavity of the protective tube (21); a rotating rod (232) is rotatably mounted on the upper end of the protective tube (21); and the lower end of the rotating rod (232) penetrates and extends to the inner cavity of the fixing tube (22).

4. A soft rock sampling device according to claim 3, characterized in that: The inner cavity of the fixing cylinder (22) is provided with a fixing plate (23), and the end of the fixing plate (23) is provided with a through hole (231), and the inner wall of the through hole (231) is rotatably connected to the outer surface of the rotating rod (232).

5. A soft rock sampling device according to claim 4, characterized in that: The end of the fixed plate (23) is provided with a plurality of groups of slide grooves (233), and the plurality of groups of slide grooves (233) are evenly distributed at the end of the fixed plate (23).

6. A soft rock sampling device according to claim 5, characterized in that: A rotating block (24) is rotatably mounted at the middle position of the end of the fixed plate (23), and the upper end of the rotating block (24) is connected to the lower end of the rotating rod (232).

7. A soft rock sampling device according to claim 6, characterized in that: An arc-shaped rod (25) corresponding to the slide groove (233) is rotatably mounted on the outer surface of the rotating block (24), and a sliding block (26) is rotatably mounted on one end of the arc-shaped rod (25) away from the rotating block (24).

8. A soft rock sampling device according to claim 7, characterized in that: The outer surface of the slider (26) is slidably connected to the inner wall of the slide groove (233), and an arc plate (27) is provided at one end of the slider (26) away from the arc rod (25), and the outer surface of the arc plate (27) is in contact with the inner wall of the fixed cylinder (22).

9. A soft rock sampling device according to claim 8, characterized in that: An adjusting rod (28) is provided at the end of the fixing plate (23), the end of the adjusting rod (28) passes through and extends to the outside of the fixing tube (22), a movable block (281) is provided at one end of the adjusting rod (28) away from the fixing plate (23), a clamping block (282) is provided at the end of the movable block (281), and an upper end of the clamping block (282) is connected to the docking block (31).

10. A soft rock sampling device according to claim 9, characterized in that: An annular block (29) is provided on the inner wall of the protective tube (21), and the inner wall of the annular block (29) is slidably connected to the outer surface of the end of the movable block (281).

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