A portable sampling device

Abstract

The utility model relates to geological disaster assessment technical field, concretely relates to a sampling device convenient to carry, the top side of top plate is fixedly connected with hydraulic oil jar through bolt, and the output shaft of hydraulic oil jar penetrates top plate, and the output shaft of hydraulic oil jar is fixedly connected between with the top of bearing plate, the top side of bearing plate is fixedly connected with drive motor through bolt, and the bottom side of bearing plate is rotatably connected with sampling cylinder, and the bottom of frame body is provided with bottom groove. The sampling device of existing has solved the problem of difficult movement in the inconvenient transportation area such as mountainous area, forest area, the problem of heavy burden of single person carrying, has improved the portability and field adaptability of equipment significantly, has realized mechanized automatic sampling, has replaced the traditional manual mining or manual auger mode, has improved sampling efficiency and depth controllability, has reduced the physical exertion of operating personnel.

Description

Technical Field

[0001] The utility model relates to the technical field of geological hazard assessment, in particular to a portable sampling device. Background Art

[0002] Geological hazard assessment is an important technical work that systematically analyzes the causes, distribution characteristics and development trends of geological phenomena such as landslides, debris flows, collapses and land subsidence to judge their occurrence risk and hazard degree, and is widely applied in the fields of mountain area construction, traffic engineering, mine development and ecological environment protection. In this process, soil sampling, as a basic means to obtain on-site geological parameters, refers to collecting representative soil samples from different depths and positions for subsequent physical, chemical and mechanical property testing, and the accuracy of its data is directly related to the reliability of the hazard prediction model and the effectiveness of prevention and control measures. Among them, portable sampling devices occupy an important position in the field survey and emergency monitoring industries. As a key tool for on-site rapid sampling, their portability, operation convenience and sample management capability have a decisive impact on the overall operation efficiency, data authenticity and personnel labor intensity. Especially in the core link of soil drilling and sample storage in complex field terrain, the existing sampling equipment has gradually exposed a series of obvious limitations and technical problems when dealing with sampling tasks in areas with inconvenient transportation such as mountains, forest areas and valleys.

[0003] The utility model patent CN216309465U discloses a portable sampling device for coal quality analysis, wherein the motor is fixed at the top of the inner cavity of the motor box, the power end of the motor is connected with a rotating shaft, the bottom of the motor box is connected with a support box, the rotating shaft penetrates through the support box and the bottom thereof is connected with a sampling drill bit, a protection box is arranged below the support box, a triangular groove is arranged in the middle of the protection box for placing the sampling drill bit, and cylindrical grooves are arranged on the left and right sides for placing sampling buckets; this device drives the sampling drill bit to rotate through the motor, which saves manpower and sampling time, and at the same time improves the portability for going out through the design of pulleys, handles and shoulder straps, and uses an air cushion to achieve shock absorption and equipment protection.

[0004] When carrying out geological hazard assessment, soil sampling work is required. However, in the prior art, it is inconvenient to carry the sampling mechanism, and it is also inconvenient to carry the soil samples in time, which causes the soil to scatter and affects the overall sampling effect; therefore, there is an urgent need for an innovative portable sampling device to solve these problems. Contents of the Utility Model

[0005] The purpose of the utility model is to provide a portable sampling device, which solves the problems in the prior art that it is inconvenient to carry the sampling mechanism, and it is also inconvenient to carry the soil samples in time, which causes the soil to scatter and affects the overall sampling effect.

[0006] To achieve the above objectives, this utility model provides a portable sampling device, including a frame, a support plate slidably connected to the inner side of the frame, and a top plate fixedly connected to the top of the frame. A hydraulic cylinder is bolted to one side of the top plate, and the output shaft of the hydraulic cylinder passes through the top plate and is fixedly connected to the top of the support plate. A drive motor is bolted to one side of the top plate, and a sampling cylinder is rotatably connected to one side of the bottom plate. A bottom groove is provided at the bottom of the frame, and the top of the sampling cylinder passes through the support plate and is connected to the output shaft of the drive motor. Support frames are provided on both sides of the bottom inner side of the frame, and cylinders are bolted to both sides of the outer wall of the frame. The output shafts of the two cylinders pass through the side wall of the frame and are fixedly connected to one side of the two support frames respectively. Handles are fixedly connected to both sides of the top of the frame, and two shoulder straps are fixedly connected to one side of the frame.

[0007] The support plate has sliders fixedly connected to both sides, and both sliders are slidably connected to the side wall of the frame through a groove.

[0008] The top two sides of the bearing plate are fixedly connected with telescopic rods, and the top ends of the two telescopic rods are fixedly connected to the bottom of the top plate.

[0009] Support legs are fixedly connected to the four corners at the bottom of the frame.

[0010] The top of the sampling cylinder passes through the bearing plate via a bearing sleeve, and the connection between the output shaft of the hydraulic cylinder and the top plate is a sliding connection.

[0011] The output shafts of both cylinders are connected to the frame via sliding connections.

[0012] This utility model discloses a portable sampling device. By featuring handles fixed to both sides of the top of the frame and two shoulder straps fixed to one side, operators can flexibly choose to carry it by hand or over their shoulder depending on the terrain and transport distance. This solves the problems of existing sampling devices being difficult to move in mountainous or forested areas with poor transportation, and the heavy burden on a single person, significantly improving the portability and field adaptability of the equipment. A hydraulic cylinder is fixed to the top plate, and its output shaft is connected to the support plate, driving it to slide and rise along the inner side of the frame. Combined with a drive motor, this drives the sampling cylinder to rotate and drill into the soil, achieving mechanized automatic sampling. This replaces traditional manual digging or manual spiral drilling, improving sampling efficiency and depth controllability, and reducing the physical exertion of operators. After drilling, the sampling cylinder moves upwards with the support plate, avoiding the risk of samples falling due to loosening during extraction and ensuring sample integrity. The support frames on both sides of the bottom inner side of the frame move towards each other and connect under the push of two cylinders, forming a closed or semi-closed sample receiving area. This device addresses the issues of manual sample transfer, spillage, and cross-contamination inherent in existing technologies. It enables direct and orderly transfer of soil samples from the sampling tube to the carrying container, improving the timeliness and standardization of sample management. The detachable and replaceable carrying frame facilitates the differentiation of different samples during continuous or multi-point sampling at the same location, enhancing on-site operational efficiency. The frame, as a unified support structure, integrates the sampling mechanism, lifting system, and sample storage module, resulting in a compact and rationally designed structure that avoids the drawbacks of traditional equipment requiring separate carrying and cumbersome on-site assembly. The drive motor, hydraulic cylinder, and pneumatic cylinder are all bolted for easy maintenance and replacement. Through the coordinated design of mechanical drive, automatic lifting, and pneumatic docking with the carrying frame, this device effectively overcomes the shortcomings of existing technologies, such as inconvenience in carrying and difficulty in sample transfer. It also improves the automation level and data reliability of sampling operations, reduces human error, and meets the practical needs of geological hazard assessment for efficient, accurate, and portable sampling equipment, demonstrating significant practicality and promotional value. Attached Figure Description

[0013] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0014] Figure 1 This is a schematic diagram of the main structure of an embodiment of this utility model.

[0015] Figure 2 This is a rear view structural schematic diagram of an embodiment of the present utility model.

[0016] Figure 3 This is a bottom view of the structure of an embodiment of the present invention.

[0017] Figure 4This is a schematic diagram of the inner structure of an embodiment of the present invention.

[0018] Figure 5 This is a side view structural diagram of an embodiment of the present utility model.

[0019] 1. Frame; 2. Support plate; 3. Slider; 4. Slide groove; 5. Bottom groove; 6. Support frame; 7. Cylinder; 8. Drive motor; 9. Sampling cylinder; 10. Top plate; 11. Handle bar; 12. Hydraulic cylinder; 13. Support leg; 14. Telescopic rod; 15. Shoulder strap. Detailed Implementation

[0020] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0021] Please see Figure 1-5 A portable sampling device includes a frame 1, a support plate 2 slidably connected to the inner side of the frame 1, and a top plate 10 fixedly connected to the top of the frame 1. A hydraulic cylinder 12 is bolted to one side of the top plate 10, and the output shaft of the hydraulic cylinder 12 passes through the top plate 10. The output shaft of the hydraulic cylinder 12 is fixedly connected to the top of the support plate 2. A drive motor 8 is bolted to one side of the top of the support plate 2, and a sampling cylinder 9 is rotatably connected to one side of the bottom of the support plate 2. A bottom groove 5 is provided at the bottom of the frame 1. The top of the sampling cylinder 9 passes through the support plate 2 and is connected to the output shaft of the drive motor 8. Support frames 6 are provided on both sides of the bottom inner side of the frame 1. Cylinders 7 are bolted to both sides of the outer wall of the frame 1. The output shafts of the two cylinders 7 pass through the side wall of the frame 1. The output shafts of the two cylinders 7 are fixedly connected to one side of the two support frames 6 respectively. Handle rods 11 are fixedly connected to both sides of the top of the frame 1, and two shoulder straps 15 are fixedly connected to one side of the frame 1.

[0022] When using this portable sampling device, first select the appropriate carrying method according to the working environment. The operator can lift the entire device for short-distance movement using the two handles 11 fixedly connected to the top sides of the frame 1, or carry the device on the shoulder like a backpack using the two shoulder straps 15 fixedly connected to one side of the frame 1, achieving convenient transportation for long-distance hiking or complex terrain, effectively reducing the fatigue of lifting with one hand. After arriving at the sampling point, place the frame 1 stably on the ground, start the hydraulic cylinder 12 fixed to the top side of the top plate 10 by bolts, its output shaft passes downward through the top plate 10 and is fixedly connected to the top of the support plate 2 which is slidably connected to the inside of the frame 1, pushing the support plate 2 vertically downward along the inner wall of the frame 1. At the same time, start the drive motor 8 fixed to the top side of the support plate 2, the output shaft of the drive motor 8 drives the sampling cylinder 9, which is rotatably connected to the bottom side of the support plate 2, to rotate synchronously. Under the thrust of the hydraulic cylinder 12 and the rotation of the drive motor 8, the sampling cylinder 9 gradually drills into the soil, completing the designated sampling. Deep soil sampling is performed. After sampling, the hydraulic cylinder 12 is retracted, causing the support plate 2 and sampling cylinder 9 to move upwards and detach from the ground. Then, the two cylinders 7, which are bolted to the outer walls of the frame 1, are activated. Their output shafts pass through the side walls of the frame 1 and are fixedly connected to one side of the two support frames 6 set on the bottom sides of the inner side of the frame 1. The two support frames 6 are pushed to slide towards each other along the inner side of the frame 1 and dock to form a complete sample receiving cavity. After the sampling cylinder 9 located below the support plate 2 moves to an appropriate height, the soil sample collected in the cylinder is made to fall vertically into the docked support frame 6 by manual tapping or slight vibration. This achieves timely and centralized sample carrying, avoiding spillage, contamination or confusion. After completing one sampling operation, the support frame 6 can be removed as a whole for sealing and marking, or a new support frame 6 can be replaced to continue the operation at the next sampling point. The whole process realizes the integrated operation of sampling, lifting and sample transfer, which is suitable for the needs of multi-point, rapid and continuous field sampling in geological hazard assessment.

[0023] Furthermore, sliders 3 are fixedly connected to both sides of the bearing plate 2, and both sliders 3 are slidably connected to the side wall of the frame 1 through the sliding groove 4. During the process of the hydraulic cylinder 12 driving the bearing plate 2 to move up and down, the sliders 3 slide along the sliding groove 4, which guides and limits the movement direction of the bearing plate 2, effectively preventing it from deflecting, shaking or jamming during the lifting process. This achieves the effect of improving the running stability and linear motion accuracy of the bearing plate 2, ensuring that the sampling tube 9 can be drilled vertically and stably into the soil, avoiding sampling deviation or equipment damage due to tilting, and ensuring the reliability and repeatability of the sampling process.

[0024] Furthermore, telescopic rods 14 are fixedly connected to both sides of the top of the bearing plate 2, and the top ends of the two telescopic rods 14 are fixedly connected to the bottom of the top plate 10. When the hydraulic cylinder 12 pushes the bearing plate 2 to move down or retract, the telescopic rods 14 extend or shorten synchronously, providing additional lateral support and stability to the bearing plate 2, achieving the effects of auxiliary guidance and anti-swaying. At the same time, it shares the lateral force on the output shaft of the hydraulic cylinder 12, reduces its single-point load, improves the rigidity and service life of the overall structure, and ensures stable operation under complex soil conditions.

[0025] Furthermore, support legs 13 are fixedly connected to the four corners of the bottom of the frame 1. When the device is placed on the ground for sampling, the support legs 13 contact the ground and raise the frame 1 as a whole. This prevents the bottom groove 5 or other bottom structures from directly touching the ground, causing soil accumulation, obstructing the sampling tube 9 from passing through, or affecting the sliding of the bearing frame 6. This achieves the effect of keeping the bottom of the equipment clean, ensuring unobstructed sampling channels, and smooth docking of the bearing frame 6. At the same time, it enhances the stability of the device on soft ground and prevents structural deformation or malfunction due to sinking during operation.

[0026] Furthermore, the top of the sampling cylinder 9 passes through the bearing sleeve through the bearing plate 2, and the connection between the output shaft of the hydraulic cylinder 12 and the top plate 10 is a sliding connection. When the drive motor 8 drives the sampling cylinder 9 to rotate at high speed, the bearing sleeve provides stable support and allows free rotation, reducing frictional resistance and vibration, thus ensuring smooth rotation and efficient power transmission. At the same time, the output shaft of the hydraulic cylinder 12 is slidably connected at the penetration point of the top plate 10, allowing it to move smoothly during lifting without additional constraints, avoiding seal damage or increased movement resistance due to structural interference, and improving the reliability and durability of the lifting system.

[0027] Furthermore, the connection between the output shafts of the two cylinders 7 and the frame 1 is a sliding connection.

[0028] In summary: When using this portable sampling device, first select the appropriate carrying method according to the working environment. The operator can lift the entire device for short-distance movement using the two handles 11 fixedly connected to the top sides of the frame 1, or carry the device on the shoulder like a backpack using the two shoulder straps 15 fixedly connected to one side of the frame 1, enabling convenient transportation for long-distance hiking or complex terrain, effectively reducing the physical burden of single-person operation; after arriving at the sampling point, place the frame 1 stably on the ground, with the support legs 13 fixedly connected to the four corners of its bottom in contact with the ground, raising the entire frame 1 to prevent the bottom trough 5 from being blocked by soil or affecting the operation of subsequent structures; start the bolt connection on one side of the top of the top plate 10. The hydraulic cylinder 12 has its output shaft penetrating downwards through the top plate 10 and fixedly connected to the top of the support plate 2. With a sliding connection at the connection point between the output shaft and the top plate 10, it extends smoothly, pushing the support plate 2 vertically downwards along the inner side of the frame 1. Simultaneously, the sliders 3 fixedly connected to both sides of the support plate 2 slide along the grooves 4 opened on the side wall of the frame 1, serving as guides and limiters to prevent the support plate 2 from deflecting or swaying during lifting. At the same time, the telescopic rods 14 fixedly connected to both sides of the top of the support plate 2 extend synchronously, their top ends remaining connected to the bottom of the top plate 10, providing additional lateral support for the support plate 2 and enhancing the stability of the overall structure. During the downward movement of the support plate 2, a drive motor fixedly connected to one side of its top by bolts... When the machine 8 starts, the output shaft drives the sampling cylinder 9, which is rotatably connected to one side of the bottom of the bearing plate 2, to rotate via a transmission connection. The top of the sampling cylinder 9 passes through the bearing plate 2 through a bearing sleeve, which provides stable support and allows free rotation, reducing rotational resistance and vibration, and ensuring that the sampling cylinder 9 smoothly penetrates the soil. After the sampling cylinder 9 enters the soil layer through the bottom trench 5 and completes sampling at the specified depth, the hydraulic cylinder 12 is controlled to retract, driving the bearing plate 2 and the sampling cylinder 9 to move upward and off the ground. Subsequently, the two cylinders 7, which are fixedly connected to the outer walls of the frame 1 by bolts, are activated. Their output shafts pass through the side walls of the frame 1 and are fixedly connected to one side of the two inner bearing frames 6. The connection between the output shaft and the frame 1 is a sliding connection, ensuring smooth extension and retraction without jamming. The two support frames 6 slide towards each other along the inner side of the frame 1 and finally dock to form a complete sample receiving cavity. At this time, the sampling tube 9 has risen to an appropriate height with the support plate 2. The operator taps or slightly vibrates the sampling tube 9 to make the soil sample collected inside fall vertically into the docked support frame 6 under the action of gravity, so as to realize the timely and centralized carrying of the sample and avoid spillage, contamination or confusion. After one sampling is completed, the support frame 6 can be taken out as a whole for sealing and marking, or a new support frame 6 can be replaced to continue the work at the next sampling point. The whole process realizes the integrated operation from carrying, positioning, automatic drilling, lifting to sample transfer, which is suitable for the needs of multi-point, rapid and continuous field sampling in geological disaster assessment.The handles 11 on both sides of the top of the frame 1 and the two shoulder straps 15 on one side provide two carrying methods: hand-carrying and shoulder-carrying, significantly improving the mobility of the equipment in complex terrains such as mountains and forests, and reducing the physical exertion of field operations; the hydraulic cylinder 12 drives the support plate 2 to rise and fall, and works with the drive motor 8 to drive the sampling cylinder 9 to rotate and drill into the soil, realizing mechanized automatic sampling, improving sampling efficiency and depth control accuracy; the sliders 3 on both sides of the support plate 2 cooperate with the sliding grooves 4 on the side wall of the frame 1 to ensure the straightness and stability of the lifting process, and avoid sampling deviation caused by the tilting of the sampling cylinder 9; the telescopic rod 14 provides auxiliary support for the support plate 2, shares the lateral load of the hydraulic cylinder 12, and improves structural rigidity and operational reliability; the support legs 13 raise the frame 1 as a whole to prevent the bottom groove 5 from being blocked by soil, ensuring unobstructed sampling channels and smooth sliding of the support frame 6; the sampling cylinder 9. The bearing sleeve passes through the support plate 2, ensuring smooth rotation, reducing wear and vibration, and extending service life. The output shafts of hydraulic cylinder 12 and pneumatic cylinder 7 are slidably connected to the mounting components, ensuring no interference or jamming during the extension and retraction of moving parts, improving transmission efficiency and seal life. The two pneumatic cylinders 7 push the support frame 6 to horizontally dock, realizing the automatic formation of the sample receiving space, solving the problem of sample spillage caused by manual transfer in traditional methods, and improving the standardization and timeliness of sample management. The support frame 6 is detachable and replaceable, facilitating sample differentiation and packaging during multi-point sampling. The overall structure has a high degree of integration and a reasonable layout of functional modules, ensuring the portability of the equipment and realizing integrated operation of sampling and carrying, meeting the actual needs of geological disaster assessment sites for efficient, accurate, and reliable sampling equipment, and has good practicality and promotion value.

[0029] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A portable sampling device, comprising a frame, characterized in that, It also includes a load-bearing plate that slides on the inner side of the frame, and a top plate that is fixedly connected to the top of the frame; A hydraulic cylinder is bolted to one side of the top plate, and the output shaft of the hydraulic cylinder passes through the top plate and is fixedly connected to the top of the support plate. A drive motor is bolted to one side of the top plate, and a sampling cylinder is rotatably connected to one side of the bottom plate. A bottom groove is provided at the bottom of the frame, and the top of the sampling cylinder passes through the support plate and is connected to the output shaft of the drive motor. Support frames are provided on both sides of the bottom inner side of the frame, and cylinders are bolted to both sides of the outer wall of the frame. The output shafts of the two cylinders pass through the side wall of the frame and are fixedly connected to one side of the two support frames respectively. Handles are fixedly connected to both sides of the top of the frame, and two shoulder straps are fixedly connected to one side of the frame.

2. The portable sampling device as described in claim 1, characterized in that, Both sides of the support plate are fixedly connected to sliders, and both sliders are slidably connected to the side wall of the frame through a sliding groove.

3. The portable sampling device as described in claim 1, characterized in that, Telescopic rods are fixedly connected to both sides of the top of the bearing plate, and the top ends of the two telescopic rods are fixedly connected to the bottom of the top plate.

4. The portable sampling device as described in claim 1, characterized in that, Support legs are fixedly connected to the four corners at the bottom of the frame.

5. A portable sampling device as described in claim 1, characterized in that, The top of the sampling cylinder passes through the bearing sleeve through the support plate, and the connection between the output shaft of the hydraulic cylinder and the top plate is a sliding connection.

6. The portable sampling device as described in claim 1, characterized in that, The connection between the output shafts of both cylinders and the frame is a sliding connection.

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