Novel seabed geology sampling device

By introducing a hydraulic rod to drive the support block to contact the seabed in the seabed geological sampling device, ensuring the grab bucket is level, and combining it with positioning pins and a buffer structure, the problem of uneven sampling caused by uneven seabed is solved, and more efficient sample acquisition is achieved.

CN223783931UActive Publication Date: 2026-01-09广西壮族自治区海洋地质调查院
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Patent Information

Application Number
CN202520022538.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-01-09
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing seabed geological sampling devices tend to tilt when encountering uneven seabeds, resulting in uneven sampling and difficulty in collecting enough samples.

Method used

A novel seabed geological sampling device was designed, comprising a shaft, a grab bucket, and a stabilizing device. The device uses a hydraulic rod to drive the support block to contact the seabed, ensuring that the grab bucket remains horizontal. The device also improves stability and cushioning effect through positioning pins and a buffer structure.

Benefits of technology

This enabled the collection of more and more representative samples on uneven seabeds, improving sampling accuracy and efficiency, and ensuring the stability and protection of the sampling device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of seabed geology sampling, in particular to a novel seabed geology sampling device which comprises a shaft rod and a stabilizing device, the surface of the shaft rod is rotatably connected with a first grab bucket and a second grab bucket, the inner walls of the first grab bucket and the second grab bucket are rotatably connected with rotating covers respectively, and the surfaces of the first grab bucket and the second grab bucket are fixedly connected with limiting ropes respectively. A shaft rod is arranged on the balance frame, a traction rope penetrates through the surface of the shaft rod, the other end of the traction rope penetrates through the first grab bucket and is fixedly connected with the surface of the second grab bucket, and a connecting piece is arranged on the surface of the traction rope. The problem that the sample collection amount is reduced due to inclination of the device caused by uneven seabed is solved, so that more representative seabed geological samples can be grabbed, and the sampling accuracy and efficiency are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to seabed geological sampling technology field especially relates to a novel seabed geological sampling device. BACKGROUND

[0002] When sampling seabed sediments, a sampling device is often used, which is a professional equipment for collecting seabed sediment samples, composed of two or more grab buckets, which close to grab the sediment sample after reaching the seabed, and then lift to the sea surface.

[0003] In daily work, it is found that the existing seabed geological sampling device is inclined when the sampling device contacts the seabed when the seabed is not flat, and the cutting depth in the seabed sediments is not uniform, the inclined side is cut shallowly, so it is difficult to grab enough samples, causing the problem of overall sampling inconvenience. UTILITY MODEL CONTENT

[0004] The utility model discloses a novel seabed geological sampling device to solve the problem of uneven seabed and easy tilting of the sampling device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a novel seabed geological sampling device, comprising a shaft and a stabilizing device, the surface of the shaft is rotatably connected with grab bucket one and grab bucket two, the inner wall of the grab bucket one and the grab bucket two is rotatably connected with a rotating cover respectively, the surface of the grab bucket one and the grab bucket two is fixedly connected with a limiting rope respectively, the surface of the shaft penetrates a traction rope, the other end of the traction rope passes through the grab bucket one and is fixedly connected with the surface of the grab bucket two, the surface of the traction rope is provided with a connecting piece, the surface of the connecting piece is provided with a lifting rope, the inner wall of the connecting piece is rotatably connected with a hook, the stabilizing device is arranged on the surface of the shaft, the stabilizing device comprises a balance frame fixed on the surface of the shaft, the surface of the balance frame is fixedly connected with two hydraulic rods, the lower part of the hydraulic rod is provided with a supporting block, the output end of the hydraulic rod and the supporting block are provided with a buffer part, the inner wall of the supporting block is slidably connected with two sliding blocks, the supporting block and the sliding block are provided with an adjusting part, through the above-mentioned parts, when the grab bucket one and the grab bucket two are put into seawater and contact the seabed, the two hydraulic rods can drive the supporting block to move, so as to ensure that the grab bucket one and the grab bucket two are horizontal with the seabed, and more samples can be grabbed.

[0006] Preferably, the two hydraulic rods are symmetrically arranged with the balance frame.

[0007] Preferably, the both sides of the sliding block are fixedly connected with positioning columns, the positioning columns are in sliding connection with the inner wall of the supporting block, through the above-mentioned components, when the sliding block moves, the positioning columns can limit the moving range.

[0008] Preferably, the lower surface of the sliding block is fixedly connected with a plurality of positioning pins, the plurality of positioning pins are arranged at equal intervals, through the above-mentioned components, the supporting block cooperates with the sliding block to make the positioning pins insert into the seabed, so that the whole sampling is not easy to deviate and is more stable.

[0009] Preferably, the positioning pin is conical.

[0010] Preferably, the adjusting part comprises a bidirectional screw rod in rotating connection with the inner wall of the supporting block, the bidirectional screw rod is in screw connection with the inner wall of the two sliding blocks, the surface of the bidirectional screw rod is fixedly connected with a knob, through the above-mentioned components, the knob can be rotated, the knob can drive the bidirectional screw rod to rotate, the bidirectional screw rod controls the two sliding blocks to move and adjust in the supporting block, and the overall ease of use is improved.

[0011] Preferably, the buffer part comprises a hollow sleeve fixed at the output end of the hydraulic rod, the surface of the supporting block is fixedly connected with a sliding rod, one side of the sliding rod corresponding to the inner wall of the hollow sleeve is fixedly connected with a buffer spring, through the above-mentioned components, when the hydraulic rod drives the supporting block to support, the hollow sleeve, the sliding rod and the buffer spring cooperate with each other to buffer, and the protection effect is improved.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1、in the utility model, through setting stabilizing device, through the cooperation between balance frame, hydraulic rod, supporting block, can ensure that grab bucket one and grab bucket two keep horizontal with seabed, reduce the problem that the device is inclined due to the uneven seabed and reduces the sample collection amount, so as to ensure that more, more representative seabed geological samples can be grabbed, and the sampling accuracy and efficiency are improved.

[0014] 2、in the utility model, through setting adjusting part, knob cooperates with bidirectional screw rod and can control sliding block to move in supporting block, so as to improve the supporting area of supporting block and ensure stability.

[0015] 3、in the utility model, the supporting block and the sliding block cooperate with the conical positioning pin inserted into the seabed, which can further enhance the connection stability of the grab bucket and the seabed, prevent the grab bucket from moving due to external forces such as water flow and sea wave during sampling, ensure the accuracy and stability of sampling, and provide a powerful guarantee for obtaining high-quality geological samples.

[0016] 4. In this utility model, by setting a buffer part, the hollow sleeve, the sliding rod and the buffer spring cooperate with each other, and when the hydraulic rod drives the support block to support, it can effectively buffer when it encounters the impact of the seabed surface, thus reducing the impact force on the device. Attached Figure Description

[0017] Figure 1 This utility model presents a three-dimensional structural schematic diagram of a novel seabed geological sampling device;

[0018] Figure 2 This utility model presents a side view of a novel seabed geological sampling device.

[0019] Figure 3 This utility model presents a schematic diagram of the stabilization device of a novel seabed geological sampling device.

[0020] Figure 4 This invention proposes a novel seabed geological sampling device. Figure 3 Explosion structure diagram;

[0021] Figure 5 This invention proposes a novel seabed geological sampling device. Figure 3 Partial cross-sectional structural diagram.

[0022] Legend:

[0023] 1. Shaft; 2. Grab bucket one; 3. Grab bucket two; 4. Lifting rope; 5. Connector; 6. Hook; 7. Limiting rope; 8. Stabilizing device; 81. Balance frame; 82. Hydraulic rod; 83. Support block; 84. Slider; 85. Buffer part; 851. Hollow sleeve; 852. Slide rod; 853. Buffer spring; 86. Adjusting part; 861. Double-acting screw; 862. Knob; 87. Positioning column; 88. Positioning pin; 9. Traction rope; 10. Rotating cover. Detailed Implementation

[0024] Please see Figures 1-5 This utility model provides a technical solution: a novel seabed geological sampling device, comprising a shaft 1 and a stabilizing device 8. A grab bucket 2 and a grab bucket 3 are rotatably connected to the surface of the shaft 1. Rotating covers 10 are rotatably connected to the inner walls of the grab buckets 2 and 3 respectively. Limiting ropes 7 are fixedly connected to the surfaces of the grab buckets 2 and 3 respectively. A traction rope 9 passes through the surface of the shaft 1. The other end of the traction rope 9 passes through the grab bucket 2 and is fixedly connected to the surface of the grab bucket 3. A connector 5 is provided on the surface of the traction rope 9. A lifting rope 4 is provided on the surface of the connector 5. A hook 6 is rotatably connected to the inner wall of the connector 5. The stabilizing device 8 is disposed on the surface of the shaft 1.

[0025] Specifically, the stabilizing device 8 comprises a balance frame 81 fixed on the surface of the shaft 1, the surface of the balance frame 81 is fixedly connected with two hydraulic rods 82, a supporting block 83 is arranged below the hydraulic rods 82, a buffer part 85 is arranged between the output end of the hydraulic rod 82 and the supporting block 83, two sliding blocks 84 are slidably connected to the inner wall of the supporting block 83, and an adjusting part 86 is arranged between the supporting block 83 and the sliding blocks 84.

[0026] In this embodiment: when the grab bucket one 2 and the grab bucket two 3 are put into seawater, when they are in contact with the seabed, the supporting block 83 can be driven to move by the two hydraulic rods 82, so as to ensure that the grab bucket one 2 and the grab bucket two 3 are horizontal to the seabed, and more samples can be grabbed.

[0027] Specifically, the two hydraulic rods 82 are symmetrically arranged with the balance frame 81.

[0028] Specifically, the two sides of the sliding block 84 are fixedly connected with positioning columns 87, and the positioning columns 87 are slidably connected to the inner wall of the supporting block 83.

[0029] In this embodiment: when the sliding block 84 moves, the positioning column 87 can limit the moving range.

[0030] Specifically, the lower surface of the sliding block 84 is fixedly connected with a plurality of positioning pins 88, and the plurality of positioning pins 88 are arranged at equal intervals. The supporting block 83 cooperates with the sliding block 84 to insert the positioning pins 88 into the seabed, so that the overall sampling is not easy to deviate and is more stable.

[0031] Specifically, the positioning pin 88 is conical.

[0032] Specifically, the adjusting part 86 comprises a bidirectional screw 861 rotatably connected with the inner wall of the supporting block 83, the bidirectional screw 861 is threadedly connected with the inner wall of the two sliding blocks 84, and the surface of the bidirectional screw 861 is fixedly connected with a knob 862.

[0033] In this embodiment: the knob 862 can be rotated, the knob 862 can drive the bidirectional screw 861 to rotate, the bidirectional screw 861 controls the movement and adjustment of the two sliding blocks 84 in the supporting block 83, and the overall ease of use is improved.

[0034] Specifically, the buffer part 85 comprises a hollow sleeve 851 fixed on the output end of the hydraulic rod 82, the surface of the supporting block 83 is fixedly connected with a sliding rod 852, and the side of the sliding rod 852 corresponding to the inner wall of the hollow sleeve 851 is fixedly connected with a buffer spring 853.

[0035] In this embodiment: when the hydraulic rod 82 drives the supporting block 83 to support, the hollow sleeve 851, the sliding rod 852 and the buffer spring 853 cooperate with each other to buffer, and the protection effect is improved.

[0036] Working principle: before sampling, the limiting rope 7 on the grab bucket 2 and the grab bucket 3 is hung on the hook 6, then the lifting rope 4 is lifted, so that the grab bucket 2 and the grab bucket 3 are in the open state, then the grab bucket 2 and the grab bucket 3 are put into the sea water through the lifting rope 4, when the grab bucket 2 and the grab bucket 3 contact with the seabed, the lifting rope 4 can be swung up and down, so that the two limiting ropes 7 are separated from the hook 6, when the seabed is uneven, the two hydraulic rods 82 can be opened, the hydraulic rods 82 can drive the supporting block 83 to move, the supporting block 83 cooperates with the sliding block 84 and the tapered positioning pin 88 to insert into the seabed, when impacted, the hollow sleeve 851, the sliding rod 852 and the buffer spring 853 cooperate with each other to buffer, after adjustment, the grab bucket 2 and the grab bucket 3 keep horizontal with the seabed and will not tilt, at the same time, the positioning pin 88 can ensure that the grab bucket 2 and the grab bucket 3 will not move due to external force, at the same time, before sampling, the knob 862 and the bidirectional screw rod 861 can be rotated, the bidirectional screw rod 861 drives the two sliding blocks 84 to move in the supporting block 83, adjusts the supporting area of the supporting block 83 as a whole, ensures the supporting stability, when sampling, only the lifting rope 4 needs to be pulled, the lifting rope 4 cooperates with the connecting piece 5 to pull the traction rope 9, the traction rope 9 can drive the grab bucket 2 and the grab bucket 3 to rotate and close in the shaft rod 1, so as to realize the sampling operation.

Claims

1. A novel seabed geological sampling device comprising a shaft (1) and stabilizing means (8), characterized in that: The surface of the shaft (1) is rotationally connected with grab one (2) and grab two (3), the inner wall of grab one (2) and grab two (3) is rotationally connected with rotating cover (10), the surface of grab one (2) and grab two (3) is fixedly connected with limiting rope (7), the surface of the shaft (1) is penetrated by traction rope (9), the other end of the traction rope (9) passes through grab one (2) and is fixedly connected with the surface of grab two (3), the surface of the traction rope (9) is provided with connecting piece (5), the surface of the connecting piece (5) is provided with lifting rope (4), the inner wall of the connecting piece (5) is rotationally connected with hook (6), the stabilizing device (8) is arranged on the surface of the shaft (1), the stabilizing device (8) comprises a balance frame (81) fixed on the surface of the shaft (1), the surface of the balance frame (81) is fixedly connected with two hydraulic rods (82), the lower portion of the hydraulic rod (82) is provided with support block (83), the output end of the hydraulic rod (82) and the support block (83) are provided with buffer part (85), the inner wall of the support block (83) is slidably connected with two sliding blocks (84), the support block (83) and the sliding block (84) are provided with adjusting part (86).

2. A novel seabed geological sampling device as claimed in claim 1, wherein: Two hydraulic rods (82) are symmetrically arranged with the balance frame (81).

3. A novel seabed geological sampling device as claimed in claim 1, wherein: The two sides of the sliding block (84) are fixedly connected with positioning column (87), and the inner wall of the positioning column (87) is slidably connected with the support block (83).

4. A novel seabed geological sampling device as claimed in claim 1, wherein: The lower surface of the sliding block (84) is fixedly connected with a plurality of positioning pins (88), and a plurality of positioning pins (88) are arranged at equal intervals.

5. A novel seabed geological sampling device as claimed in claim 4, wherein: The positioning pin (88) is conical.

6. A novel seabed geological sampling device as claimed in claim 1, wherein: The adjusting part (86) comprises a bidirectional screw (861) rotationally connected with the inner wall of the support block (83), the bidirectional screw (861) is threadedly connected with the inner wall of the two sliding blocks (84), and the surface of the bidirectional screw (861) is fixedly connected with a knob (862).

7. A novel seabed geological sampling device as claimed in claim 1, wherein: The buffer part (85) comprises a hollow sleeve (851) fixed on the output end of the hydraulic rod (82), the surface of the support block (83) is fixedly connected with a sliding rod (852), and the sliding rod (852) is fixedly connected with a buffer spring (853) on the side corresponding to the inner wall of the hollow sleeve (851).