Sediment sampler for superficial hard layer

Abstract

The utility model belongs to the technical field of sediment sampling devices, and particularly relates to a superficial hard layer sediment sampling device which comprises a floating bag and further comprises a connecting rod, a sliding barrel, an impact plate, a spring, a transmission rod, a blocking piece and a collecting bin which are arranged on one side of the floating bag. According to the device, through work of the sliding cylinder and the impact plate, when the device is dragged in water, the impact plate slides, then the opening of the collecting bin can be blocked when the device is in a static state, and when the whole device moves, the impact plate can slide, so that the device is convenient to move, and the service life of the device is prolonged. The opening of the collecting bin can be opened under the impact of water flow, then silt can be prevented from falling out of the collecting bin when collecting work is completed, the integrity of the collecting work can be guaranteed, and the collecting bin can be prevented from being anchored into the silt through the effect of the floating bag.

Description

Technical Field

[0001] This utility model belongs to the technical field of sediment samplers, specifically relating to a shallow hard layer sediment sampler. Background Technology

[0002] Sediment samplers are instruments used to collect suspended sediment, bed sediment, and bed sand samples from rivers in order to determine sediment content, sediment transport rate, and sediment particle size distribution. The basic requirements for sediment samplers are to minimize disturbance to the natural water flow during sampling and to obtain representative samples. The performance of the sampler has a decisive impact on the quality of sediment testing.

[0003] A review of announcement number CN206479362U reveals a shallow, hard sediment sampler. This technology discloses "a hollow sampling container with at least one row of transverse loosening teeth at the bottom front end; several sand-collecting ports communicating with the interior of the sampling container located behind the transverse loosening teeth at the bottom of the sampling container, with the openings of the sand-collecting ports facing the transverse loosening teeth; several water outlets on the side walls of the sampling container; a detachable cover plate on the back of the sampling container; a non-adhesive thin cloth layer covering the inner wall of the sampling container; and a connector at the top of the sampling container for connecting an external cable. This utility model has a reasonable structural design and is suitable for sampling shallow layers of relatively hard sediment beds. By pre-scraping the relatively hard sediment surface with the loosening teeth, the soft, wet sediment will not adhere to the inner wall of the sampler. It has high sampling efficiency and good sampling effect, is easy to use, and can meet the needs of scientific research or users in the field of marine geological exploration."

[0004] While this design is suitable for shallow sampling in relatively hard sediment beds, as the loosening teeth pre-scrape away the hard sediment surface, the soft, wet sediment is unlikely to stick to the inner wall of the sampler. It offers high sampling efficiency and good sampling results, and is easy to use, meeting the needs of research or users in the field of marine geological exploration. However, when the device is located at the bottom of the water flow during sampling, it may sink into the riverbed, affecting the sampling process. Furthermore, after sampling, the opening remains open, meaning the sampled sediment may fall out, compromising the integrity of the sampling.

[0005] To address the aforementioned issues, this application proposes a shallow hard layer sediment sampler. Utility Model Content

[0006] To address the problems mentioned in the background section, this invention provides a shallow hard sediment sampler. Through the operation of the sliding cylinder and impact plate, the device is dragged in water, causing the impact plate to slide. This allows the opening of the collection chamber to be sealed when the device is stationary. When the device moves, the impact of the water flow opens the opening of the collection chamber, preventing sediment from falling out during collection and ensuring the integrity of the collection process. Furthermore, the float prevents the collection chamber from anchoring into the sediment.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a shallow hard layer sediment sampler, comprising a float, a connecting rod, a slide cylinder, an impact plate, a spring, a transmission rod, a baffle, and a collection chamber disposed on one side of the float. The float is fixedly installed on one end of the connecting rod, and the other end of the connecting rod is fixedly installed on the surface of the slide cylinder. The inner surface of the slide cylinder is also slidably connected to the impact plate. Simultaneously, one side of the impact plate is fixedly connected to one end of the spring, and the other end of the spring is fixedly connected to the inner surface of the slide cylinder. The impact plate is also rotatably connected to one end of the transmission rod, and the other end of the transmission rod is rotatably connected to the surface of the baffle. The baffle is also slidably connected to the collection chamber, and the collection chamber is fixedly installed on one side of the slide cylinder via the connecting rod.

[0008] In a preferred embodiment of this invention, a shallow hard layer sediment sampler is provided, wherein the floats are symmetrically arranged on both sides of the surface of the slide tube.

[0009] As a preferred embodiment of the shallow hard layer sediment sampler of this utility model, the connecting rods are arranged at equal angles on the outside of the sliding cylinder, and there are a total of three connecting rods.

[0010] As a preferred embodiment of the shallow hard layer sediment sampler of this utility model, the slide cylinder is cylindrical in shape, and a rectangular groove is formed on the surface of the slide cylinder, and one bottom side of the slide cylinder is hollowed out.

[0011] In a preferred embodiment of this invention, the inner surface diameters of the impact plate and the sliding cylinder are the same.

[0012] As a preferred embodiment of the shallow hard layer sediment sampler of this utility model, the surface of the collection chamber near the slide cylinder is provided with a groove that matches the baffle.

[0013] Compared with the prior art, the beneficial effects of this utility model are: the operation of the sliding cylinder and the impact plate enables the impact plate to slide when the device is dragged in the water, thereby sealing the opening of the collection chamber when the device is stationary, and opening the collection chamber under the impact of the water flow when the whole device is moving, thus preventing mud and sand from falling out of the collection chamber when the collection work is completed, ensuring the integrity of the collection work, and the float can also prevent the collection chamber from anchoring into the mud and sand. Attached Figure Description

[0014] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the collection state structure in this utility model;

[0017] Figure 3 This is a schematic cross-sectional view of the slide and collection chamber in this utility model;

[0018] Figure 4 This is a schematic diagram of the collection chamber in the open state of this utility model;

[0019] In the picture:

[0020] 1. Float; 2. Connecting rod; 3. Slide cylinder; 4. Impact plate; 5. Spring; 6. Transmission rod; 7. Baffle plate; 8. Collection chamber. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] like Figure 1 As shown:

[0024] A shallow hard layer sediment sampler includes a float 1.

[0025] In this implementation plan: The existing announcement number CN206479362U discloses a shallow hard layer sediment sampler; to solve the technical problems existing in this prior art, such as the background art disclosed above, "when the device is located at the bottom of the water flow during sampling, it may sink into the bottom of the riverbed, which will affect the sampling work. At the same time, after the sampling work is completed, its opening is in an open state, so the sediment sampled inside may fall out again, which will affect the integrity of the collection work." In combination, this problem is obviously a real and difficult problem to solve. Therefore, to solve the above problems, a connecting rod 2 and a sliding cylinder 3 are added.

[0026] Furthermore:

[0027] like Figure 1 - Figure 4 As shown:

[0028] In conjunction with the above, the system also includes a connecting rod 2, a sliding cylinder 3, an impact plate 4, a spring 5, a transmission rod 6, a baffle 7, and a collection chamber 8, all located on one side of the float 1. The float 1 is fixedly mounted on one end of the connecting rod 2, and the other end of the connecting rod 2 is fixedly mounted on the surface of the sliding cylinder 3. The inner surface of the sliding cylinder 3 is also slidably connected to the impact plate 4. At the same time, one side of the impact plate 4 is also fixedly connected to one end of the spring 5, and the other end of the spring 5 is fixedly connected to the inner surface of the sliding cylinder 3. The impact plate 4 is also rotatably connected to one end of the transmission rod 6, and the other end of the transmission rod 6 is rotatably connected to the surface of the baffle 7. The baffle 7 is also slidably connected to the collection chamber 8, and the collection chamber 8 is fixedly mounted on one side of the sliding cylinder 3 via the connecting rod 2.

[0029] In this implementation scheme: When sampling shallow surface sediment is required, a rope can be connected to the device except for the impact plate 4 and the transmission rod 6. When the device is not being dragged, the impact plate 4 and the spring 5 are stationary, while the collection chamber 8 is attached to the sediment layer. The baffle 7 blocks the opening of the collection chamber 8. Then, the rope can be pulled to move the entire device. At this time, the slide cylinder 3 and the impact plate 4 will be subjected to relative impact from the water flow. The impact plate 4 will slide against the slide cylinder 3 and compress the spring 5, causing it to contract. The connection between the impact plate 4 and the transmission rod 6 will rotate and move horizontally following the impact plate 4. The other end of the transmission rod 6 will interact with the baffle 7. The device rotates and pulls the baffle 7 and the collection chamber 8 to slide and move them vertically. At this time, the baffle 7 gradually rises and opens the opening of the collection chamber 8. As the device is gradually dragged, the collection chamber 8 scrapes the mud and sand layer and achieves stable collection. When the collection is completed, the dragging of the device stops. After the impact plate 4 is no longer impacted by the water flow, the spring 5 will rebound and push the impact plate 4 to reset. The baffle 7 will also seal the opening of the collection chamber 8 under the push of the transmission rod 6. At this time, the collection of mud and sand in the collection chamber 8 has been completed. The baffle 7 also prevents mud and sand from leaking out of the collection chamber 8, thus ensuring the integrity of the collected material and preventing leakage.

[0030] Furthermore:

[0031] In an optional embodiment, the floats 1 are symmetrically arranged on both sides of the surface of the slide 3.

[0032] In this embodiment, the floats 1 symmetrically arranged on both sides of the slide tube 3 enable the device to float stably on the water surface, and to effectively collect and sample shallow sediment.

[0033] Furthermore:

[0034] In an optional embodiment, the connecting rods 2 are arranged at equal angles on the outside of the slide cylinder 3, and there are a total of three connecting rods 2.

[0035] In this embodiment, the connecting rod 2, which is set at an equal angle on the outside of the slide cylinder 3, can provide a stable fulcrum for the float 1 and the collection chamber 8, and at the same time, it can ensure that the collection chamber 8 is always located at the midpoint of the two floats 1, so that the collection chamber 8 can effectively carry out sediment sampling.

[0036] Furthermore:

[0037] In an optional embodiment, the slide cylinder 3 is cylindrical in shape, and a rectangular groove is formed on the surface of the slide cylinder 3, and one bottom side of the slide cylinder 3 is hollowed out.

[0038] In this embodiment, the groove on the surface of the slide cylinder 3 can provide a stable moving path for the impact plate 4 when it is impacted by water flow. In turn, the impact plate 4 and the transmission rod 6 can drive the baffle 7 to move upward, thereby achieving the purpose of opening the collection chamber 8.

[0039] Furthermore:

[0040] In an optional embodiment, the inner surface diameters of the impact plate 4 and the slide 3 are the same.

[0041] In this embodiment, the impact plate 4, which has the same diameter as the inner surface of the slide cylinder 3, can be moved by the water flow when the device is dragged, thereby causing the opening of the collection chamber 8 to open. The slide cylinder 3 and the impact plate 4, which have the same diameter, can ensure that the water flow facing the slide cylinder 3 can stably impact the impact plate 4, thereby providing a stable power source.

[0042] Furthermore:

[0043] In an optional embodiment, the surface of the collection chamber 8 near the slide 3 is provided with a groove that matches the baffle 7.

[0044] In this embodiment, the groove on the surface of the collection chamber 8 enables a stable sliding relationship between the baffle 7 and the collection chamber 8, thereby enabling the baffle 7 to both block and open the opening of the collection chamber 8.

[0045] The working principle and usage process of this utility model are as follows: When sampling shallow surface sediment, a rope can be connected to the device except for the impact plate 4 and the transmission rod 6. When the device is not being dragged, the impact plate 4 and the spring 5 are stationary, while the collection chamber 8 is attached to the sediment layer. The baffle 7 blocks the opening of the collection chamber 8. Then, the rope can be pulled to move the whole device. At this time, the slide cylinder 3 and the impact plate 4 will be impacted by the water flow. The impact plate 4 will slide against the slide cylinder 3 and compress the spring 5, causing it to contract. The connection between the impact plate 4 and the transmission rod 6 will rotate and move horizontally following the impact plate 4. The other end of the transmission rod 6 will... The baffle 7 rotates and pulls the baffle 7 and the collection chamber 8 to slide, causing them to move vertically. At this time, the baffle 7 gradually rises and opens the opening of the collection chamber 8. As the dragging work progresses, the collection chamber 8 scrapes the mud and sand layer and achieves stable collection. When the collection work is completed, the dragging work of the device stops. After the impact plate 4 is no longer impacted by the water flow, the spring 5 will rebound and push the impact plate 4 to reset. The baffle 7 will also seal the opening of the collection chamber 8 under the push of the transmission rod 6. At this time, the collection work of mud and sand in the collection chamber 8 has been completed. Under the action of the baffle 7, mud and sand can also be prevented from leaking out of the collection chamber 8, thereby ensuring the integrity of the collected material and avoiding leakage.

[0046] Finally, it should be noted that the above are merely preferred embodiments of this utility model and are not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A shallow hard-layer sediment sampler, comprising a float (1), characterized in that: It also includes a connecting rod (2), a slide cylinder (3), an impact plate (4), a spring (5), a transmission rod (6), a baffle (7), and a collection chamber (8) disposed on one side of the float (1). The float (1) is fixedly installed on one end of the connecting rod (2), and the other end of the connecting rod (2) is fixedly installed on the surface of the slide cylinder (3). The inner surface of the slide cylinder (3) is also slidably connected to the impact plate (4). At the same time, one side of the impact plate (4) is also fixedly connected to one end of the spring (5). The other end of the spring (5) is fixedly connected to the inner surface of the slide cylinder (3). The impact plate (4) is also rotatably connected to one end of the transmission rod (6), and the other end of the transmission rod (6) is rotatably connected to the surface of the baffle (7). The baffle (7) is also slidably connected to the collection chamber (8). The collection chamber (8) is fixedly installed on one side of the slide cylinder (3) through the connecting rod (2).

2. The shallow hard layer sediment sampler according to claim 1, characterized in that: The floats (1) are symmetrically arranged on both sides of the surface of the slide (3).

3. The shallow hard layer sediment sampler according to claim 1, characterized in that: The connecting rods (2) are arranged at equal angles on the outside of the slide cylinder (3), and there are three connecting rods (2) in total.

4. The shallow hard layer sediment sampler according to claim 1, characterized in that: The slide cylinder (3) is cylindrical in shape, and a rectangular groove is provided on the surface of the slide cylinder (3), and one bottom side of the slide cylinder (3) is hollow.

5. The shallow hard layer sediment sampler according to claim 1, characterized in that: The inner surface diameters of the impact plate (4) and the slide (3) are the same.

6. The shallow hard layer sediment sampler according to claim 1, characterized in that: The surface of the collection chamber (8) near the slide (3) has a groove that matches the baffle (7).

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