A sampling device for marine flowing soft soil

Abstract

The present invention provides a sampling device for soft soil in ocean currents, comprising a square fixing frame, a hydraulic cylinder and a sampling cylinder. Both sides inside the square fixing frame are fixedly connected with hydraulic cylinders. The extending end of the hydraulic cylinder is fixedly connected with a connecting frame. The connecting frame is in a bent pipe L shape. One end of the connecting frame is fixedly connected with a connecting plate. A sampling cylinder is fixedly connected between the connecting plates. An internal thread groove is formed at the top end inside the sampling cylinder. A disassembly stud is threadedly connected inside the internal thread groove. A filter screen is fixedly connected inside the disassembly stud. By providing: a driving motor, a sliding rod, a scraping plate, a connecting frame and a sampling cylinder, the driving motor is at the bottom end of the sliding rod due to gravity. After being driven by the driving motor, the driving shaft rotates to drive the scraping plate to rotate. During the rotation process, the floating soil, impurities and sediment at the bottom of the ocean can be cleaned. At this time, the hydraulic cylinder extends hydraulically to lower the connecting frame.

Description

Technical Field

[0001] The present invention relates to the technical field of marine soft soil sampling, and specifically to a sampling device for flowing marine soft soil. Background Art

[0002] Marine soft soil mainly refers to sediments formed by natural forces such as rivers and the ocean in coastal areas. These sediments are mostly fine-grained soils with high water content and compressibility. Marine soft soil is mainly formed by coastal deposition. Affected by marine dynamic actions such as waves and tides, the sediments are mostly fine-grained soils. Its distribution range is extensive, mainly concentrated in coastal areas, estuarine deltas, as well as some inland lake basins and river banks. The soft soil in these areas is mostly formed by natural forces such as river and ocean sedimentation. Marine soft soil usually has characteristics such as high water content, high compressibility, and low strength. Marine soft soil is a special type of soil, and its formation, distribution, physical and mechanical properties, as well as color and composition are all affected by the marine environment. In engineering construction, it is necessary to fully consider the characteristics of marine soft soil and take corresponding treatment measures to ensure the stability and safety of the project.

[0003] In the prior art, when conducting construction in the ocean, it is necessary to take samples in advance and analyze the soft soil. However, traditional sampling operations are relatively complex. The existing sampling methods for marine soft soil mainly include the following several types: 1. Gravity column sampling, 2. Grab sampler sampling, 3. Sampling tube sampling, 4. Box sampler sampling, etc. However, this sampling method is costly and the operation is relatively complex, which is not convenient for simple and rapid sampling operations, and there are inconveniences in use. Summary of the Invention

[0004] (I) Technical Problems to be Solved

[0005] In view of the deficiencies of the prior art, the present invention provides a sampling device for flowing marine soft soil, which solves the problems that the existing sampling method is costly and the operation is relatively complex, and is not convenient for simple and rapid sampling operations.

[0006] (II) Technical Solutions

[0007] To achieve the above object, the present invention is realized through the following technical solutions: A sampling device for flowing marine soft soil includes: a square fixed frame, a hydraulic cylinder, and a sampling cylinder. Both sides inside the square fixed frame are fixedly connected with hydraulic cylinders. The extending end of the hydraulic cylinder is fixedly connected with a connecting frame. The connecting frame is in a bent pipe L shape. One end of the connecting frame is fixedly connected with a connecting plate. A sampling cylinder is fixedly connected between the connecting plates. An internal thread groove is opened at the top end inside the sampling cylinder. A disassembly stud is threadedly connected inside the internal thread groove. A filter screen is fixedly connected inside the disassembly stud. A sliding rod is fixedly connected to the bottom end of the connecting plate. A pointed cone block is fixedly connected to the bottom end of the sliding rod;

[0008] Two fixed rings are slidably fitted on the outside of the sliding rod. One side of each fixed ring is fixedly connected to a driving motor. The driving end of the driving motor is fixedly connected to a driving shaft. The bottom end of the driving shaft is fixedly connected to a scraping plate.

[0009] Preferably, a limiting disc is fixedly connected to the middle of the driving shaft. An arc-shaped opening is formed on one side of the limiting disc.

[0010] Preferably, an electric telescopic rod is fixedly connected to the outside of the driving motor. The extending end of the electric telescopic rod is in contact and cooperation with the arc-shaped opening.

[0011] Preferably, a first fixed triangular inclined block is fixedly connected to one side of the bottom end inside the sampling cylinder, and a second fixed triangular inclined block is fixedly connected to the other side of the bottom end inside the sampling cylinder.

[0012] Preferably, a rotating shaft is arranged above the second fixed triangular inclined block and is fixedly connected to the inner wall of the sampling cylinder. A turning plate is rotatably connected to the outside of the rotating shaft, and a scroll spring is arranged inside the rotating shaft.

[0013] Preferably, a corrugated pipe is fixedly connected between the turning plate and the second fixed triangular inclined block, and a tension spring is fixedly connected inside the corrugated pipe.

[0014] Preferably, a connecting shaft is fixedly connected to the middle of the top end of the square fixed frame. A steel wire rope connecting pipe is rotatably fitted on the outside of the connecting shaft. Counterweight blocks are fixedly connected to both ends of the top of the square fixed frame. A square pointed cone is fixedly connected to the bottom end of the square fixed frame. A camera is fixedly connected to the middle of one side of the square fixed frame.

[0015] Preferably, a plurality of drain holes are formed in the middle of the top end of the square fixed frame.

[0016] (III) Beneficial effects

[0017] The present invention provides a sampling device for marine flowing soft soil. It has the following beneficial effects:

[0018] 1. In the present invention, by setting: a square fixed frame, counterweight blocks, a square pointed cone and drain holes, connecting the steel wire rope connecting pipe to the connecting shaft, the square fixed frame in the sampling device can be placed in the ocean. Subsequently, due to the action of the counterweight blocks, the square fixed frame can quickly sink to the bottom of the sea, and the square pointed cone can be inserted into the soft sand, which can increase the firmness. When the square fixed frame sinks under the sea, the drain holes can discharge water upwards. Through this structure, the sampling square fixed frame can be used conveniently.

[0019] 2. The present invention is provided with: a driving motor, a sliding rod, a scraper, a connecting frame and a sampling tube. The driving motor is located at the bottom end of the sliding rod due to gravity. After being driven by the driving motor, the driving shaft rotates to drive the scraper to rotate. During the rotation, the floating soil, impurities and silt at the bottom of the ocean can be cleaned. At this time, the hydraulic cylinder hydraulically extends to lower the connecting frame. After lowering, the connecting plate can be pressed down. After being pressed down, the sampling tube can be lowered to perform sampling operations.

[0020] 3. The present invention is provided with: a flip plate, a filter screen, a hydraulic cylinder, a tension spring and a scroll spring. When the soil enters the interior of the sampling tube, the flip plate flipping structure can smoothly store the soil in the sampling tube. Since there is a water source in the sampling tube, when the soft soil enters the interior of the sampling tube, the seawater will discharge the moisture through the filter screen to retain the existence of the soft soil. After the sampling is completed, the hydraulic cylinder is recovered, and the sampling tube rises, which will resist the flip plate through the action of gravity. The tension spring and the scroll spring can reset the flip plate to resist the first fixed triangular inclined block, and the soft soil after sampling is retained in the interior of the sampling tube. The structure can complete the sampling smoothly, the operation is convenient, and the cost is low. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a cross-sectional front view schematic diagram of the present invention;

[0022] Figure 2 For the present invention Figure 1 A is an enlarged schematic diagram;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of a square fixing frame of the present invention;

[0024] Figure 4 It is an enlarged schematic diagram of the scraper and driving motor structure of the present invention;

[0025] Figure 5 It is an enlarged schematic diagram of the sampling tube structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the structure of the hydraulic cylinder and the connecting frame of the present invention.

[0027] Among them, 1. square fixed frame; 2. counterweight block; 3. steel wire rope connecting pipe; 4. hydraulic cylinder; 5. sampling tube; 6. first fixed triangular oblique block; 7. sliding rod; 8. driving motor; 9. second fixed triangular oblique block; 10. tension spring; 11. flip plate; 12. volute spring; 13. bellows; 14. fixing ring; 15. electric telescopic rod; 16. square pointed cone; 17. camera; 18. connecting shaft; 19. driving shaft; 20. limiting plate; 21. scraper; 22. pointed cone block; 23. connecting plate; 24. internal thread groove; 25. disassembly stud; 26. connecting frame; 27. filter screen; 28. drainage hole. Detailed implementation mode

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention 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 making creative efforts belong to the scope of protection of the present invention.

[0029] Embodiment:

[0030] Such as Figures 1-6As shown in the figure, an embodiment of the present invention provides a sampling device for marine flowing soft soil, including: a square fixed frame 1, a hydraulic cylinder 4, and a sampling cylinder 5. Hydraulic cylinders 4 are fixedly connected to both sides inside the square fixed frame 1. When the hydraulic cylinders 4 extend hydraulically, the connecting frame 26 will be lowered. After being lowered, the connecting plate 23 can be pressed down. After being pressed down, the sampling cylinder 5 can be lowered. When the sampling cylinder 5 is descending, due to the contact between the structure of the drive motor 8 and the soft soil, the fixed ring 14 will slide upward on the surface of the slide bar 7. After the sampling is completed, the hydraulic cylinder 4 retracts, and the sampling cylinder 5 rises. The extending end of the hydraulic cylinder 4 is fixedly connected to the connecting frame 26. The connecting frame 26 is in the shape of a bent pipe L. Through the structure of the bent pipe L, the sampling cylinder 5 can be retracted inside the square fixed frame 1. One end of the connecting frame 26 is fixedly connected to the connecting plate 23. The sampling cylinder 5 is fixedly connected between the connecting plates 23. An internal thread groove 24 is opened at the top end inside the sampling cylinder 5. A disassembly stud 25 is threadedly connected inside the internal thread groove 24. Through the structure of the disassembly stud 25, it is convenient to extract the sampled soft soil. A filter screen 27 is fixedly connected inside the disassembly stud 25. Through the setting of the filter screen 27, the soft soil can be prevented from being discharged. There is water in the sampling cylinder 5. When the soft soil enters the sampling cylinder 5, the sea water will discharge the moisture through the filter screen 27, and the soft soil is retained. The bottom end of the connecting plate 23 is fixedly connected to the slide bar 7. The bottom end of the slide bar 7 is fixedly connected to the pointed cone block 22. A first fixed triangular inclined block 6 is fixedly connected to one side of the bottom end inside the sampling cylinder 5. A second fixed triangular inclined block 9 is fixedly connected to the other side of the bottom end inside the sampling cylinder 5. A rotating shaft is arranged above the second fixed triangular inclined block 9 and is fixedly connected to the inner wall of the sampling cylinder 5. A turning plate 11 is rotatably connected to the outside of the rotating shaft. Due to the action of gravity, the turning plate 11 is resisted, and through the action of the tension spring 10 and the volute spring 12, the turning plate 11 can be reset to contact with the first fixed triangular inclined block 6, and the sampled soft soil is retained inside the sampling cylinder 5. The first fixed triangular inclined block 6 and the second fixed triangular inclined block 9 are lowered and inserted into the flowing soft soil. When the soil enters the sampling cylinder 5, due to the turning structure of the turning plate 11, the soil can be smoothly stored inside the sampling cylinder 5. A volute spring 12 is arranged inside the rotating shaft. A corrugated pipe 13 is fixedly connected between the turning plate 11 and the second fixed triangular inclined block 9. Through the corrugated pipe 13, the water source is prevented from eroding the tension spring 10. A tension spring 10 is fixedly connected inside the corrugated pipe 13. The tension spring 10 provides a resetting function;

[0031] There are two fixed rings 14 slidingly fitted on the outside of the sliding rod 7. One side of the fixed ring 14 is fixedly connected to a driving motor 8. After the square pointed cone 16 supports the square fixed frame 1, the driving motor 8 is at the bottom end of the sliding rod 7 due to the action of gravity. The outside of the driving motor 8 is fixedly connected to an electric telescopic rod 15. Through the action of the electric telescopic rod 15, electric telescopic control can be realized, which is convenient for limiting the contact with the middle arc groove of the driving shaft 19. When the electric telescopic rod 15 extends and the driving shaft 19 continues to rotate, when the arc groove and the extended end of the electric telescopic rod 15 are in contact, a limit locking effect is achieved, and the fixed structure of the scraper 21 can be maintained without easily affecting the descent of the sampling cylinder 5. The extended end of the electric telescopic rod 15 is in contact and fitted with the arc opening. The driving end of the driving motor 8 is fixedly connected to a driving shaft 19. The bottom end of the driving shaft 19 is fixedly connected to a scraper 21. After being driven by the driving motor 8, the driving shaft 19 rotates to drive the scraper 21 to rotate. During the rotation process, the floating soil, impurities and sediment at the bottom of the ocean can be cleaned. The middle of the driving shaft 19 is fixedly connected to a limit disc 20. One side of the limit disc 20 is provided with an arc opening. The middle of the top end of the square fixed frame 1 is fixedly connected to a connecting shaft 18. The outside of the connecting shaft 18 is rotationally fitted with a wire rope connecting pipe 3. Through the penetration connection of the wire rope connecting pipe 3 to the wire rope, at the same time, the short circuit line required for power supply is also connected to the equipment in the square fixed frame 1 through the wire rope connecting pipe 3 to achieve power connection and complete the power supply operation. Connecting the wire rope connecting pipe 3 to the connecting shaft 18 can place the square fixed frame 1 in the sampling equipment in the ocean. Both ends of the top of the square fixed frame 1 are fixedly connected to counterweight blocks 2. By adding counterweights with the counterweight blocks 2, it can quickly sink. The bottom end of the square fixed frame 1 is fixedly connected to a square pointed cone 16. Through the action of the counterweight blocks 2, the square fixed frame 1 can be quickly sunk to the bottom of the sea, and the square pointed cone 16 can be inserted into the soft sandy soil to increase firmness. The middle of one side of the square fixed frame 1 is fixedly connected to a camera 17. Through the camera 17 structure, it can be checked whether the descent depth touches the bottom. A number of drain holes 28 are provided in the middle of the top end of the square fixed frame 1. When the square fixed frame 1 sinks under the sea, the drain holes 28 can discharge water upward. It should be noted that the above hydraulic cylinder 4, driving motor 8, electric telescopic rod 15 and camera 17 all need to have a waterproof effect.

[0032] Working principle: During use, first connect the wire rope to the pipeline 3 to connect the connecting shaft 18, so that the square fixing frame 1 in the sampling device can be placed in the ocean. Subsequently, under the action of the counterweight 2, the square fixing frame 1 can quickly sink to the seabed, and the square pointed cone 16 can be inserted into the soft sand and soil, which can increase the firmness. When the square fixing frame 1 sinks underwater, the drain hole 28 can discharge water upward. Subsequently, after the square pointed cone 16 supports the square fixing frame 1, the driving motor 8 is at the bottom of the sliding rod 7 due to gravity. After being driven by the driving motor 8, the driving shaft 19 rotates to drive the scraper 21 to rotate. During the rotation, the floating soil, impurities and sediment at the bottom of the ocean can be cleaned. After the cleaning is completed, the electric telescopic rod 15 extends, and the driving shaft 19 continues to rotate. When the arc groove and the extended end of the electric telescopic rod 15 come into contact, it reaches the limit locking effect, and the fixed structure of the scraper 21 can be maintained and is not likely to affect the descent of the sampling cylinder 5. At this time, the hydraulic cylinder 4 extends hydraulically, and the connecting frame 26 will be lowered. After the lowering, the connecting plate 23 can be pressed down. After the pressing down, the sampling cylinder 5 can be lowered, and the first fixed triangular inclined block 6 and the second fixed triangular inclined block 9 can be lowered and inserted into the flowing soft soil. When the soil enters the inside of the sampling cylinder 5, due to the flipping structure of the flipping plate 11, the soil can be smoothly stored inside the sampling cylinder 5. Since there is water in the sampling cylinder 5, when the soft soil enters the sampling cylinder 5, the sea water will drain the water through the filter screen 27, and the soft soil will be retained. When the sampling cylinder 5 descends, due to the contact between the driving motor 8 structure and the soft soil, the fixed ring 14 will slide upward on the surface of the sliding rod 7. After the sampling is completed, the hydraulic cylinder 4 retracts, and the sampling cylinder 5 rises. Due to the gravity effect, it will contact the flipping plate 11, and through the action of the tension spring 10 and the volute spring 12, the flipping plate 11 can be reset and contact with the first fixed triangular inclined block 6, and the sampled soft soil will be retained inside the sampling cylinder 5.

[0033] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0034] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sampling device for marine flowing soft soil, comprising: A square fixing frame (1), a hydraulic cylinder (4) and a sampling cylinder (5), characterized in that: hydraulic cylinders (4) are fixedly connected to both sides inside the square fixing frame (1), the extending ends of the hydraulic cylinders (4) are fixedly connected to a connecting frame (26), the connecting frame (26) is in the shape of a bent pipe L, one end of the connecting frame (26) is fixedly connected to a connecting plate (23), a sampling cylinder (5) is fixedly connected between the connecting plates (23), an internal thread groove (24) is opened at the top end inside the sampling cylinder (5), a disassembly stud (25) is threadedly connected inside the internal thread groove (24), a filter screen (27) is fixedly connected inside the disassembly stud (25), a sliding rod (7) is fixedly connected to the bottom end of the connecting plate (23), and a pointed cone block (22) is fixedly connected to the bottom end of the sliding rod (7); Two fixing rings (14) are slidably fitted on the outside of the sliding rod (7), a driving motor (8) is fixedly connected to one side of the fixing ring (14), a driving shaft (19) is fixedly connected to the driving end of the driving motor (8), a scraping plate (21) is fixedly connected to the bottom end of the driving shaft (19), a limiting disc (20) is fixedly connected to the middle of the driving shaft (19), and an arc-shaped opening is opened on one side of the limiting disc (20); an electric telescopic rod (15) is fixedly connected to the outside of the driving motor (8), the extending end of the electric telescopic rod (15) is in contact and cooperation with the arc-shaped opening, a first fixed triangular inclined block (6) is fixedly connected to one side of the bottom end inside the sampling cylinder (5), a second fixed triangular inclined block (9) is fixedly connected to the other side of the bottom end inside the sampling cylinder (5), a rotating shaft is arranged above the second fixed triangular inclined block (9) and is fixedly connected to the inner wall of the sampling cylinder (5), a turning plate (11) is rotatably connected to the outside of the rotating shaft, a scroll spring (12) is arranged inside the rotating shaft, a corrugated pipe (13) is fixedly connected between the turning plate (11) and the second fixed triangular inclined block (9), and a tension spring (10) is fixedly connected inside the corrugated pipe (13).

2. The sampling device for marine flowing soft soil according to claim 1, characterized in that: A connecting shaft (18) is fixedly connected to the middle of the top end of the square fixing frame (1), a steel wire rope connecting pipe (3) is rotatably fitted on the outside of the connecting shaft (18), counterweight blocks (2) are fixedly connected to both ends of the top of the square fixing frame (1), a square pointed cone (16) is fixedly connected to the bottom end of the square fixing frame (1), and a camera (17) is fixedly connected to the middle of one side of the square fixing frame (1).

3. The sampling device for marine flowing soft soil according to claim 1, characterized in that: A number of drain holes (28) are opened at the middle of the top end of the square fixing frame (1).

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