Spiral mud sampling device for estuary wetland

The design of the spiral mud sampling device solves the problems of limited sampling depth and laborious operation in estuarine wetlands, enabling rapid and accurate bottom mud collection and improving collection efficiency.

CN224051672UActive Publication Date: 2026-03-27ZHEJIANG PROVINCIAL DEV & PLANNING INST
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-17
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing technologies for collecting bottom sediments in estuarine wetlands suffer from limitations in sampling depth, labor-intensive operation, and easy disturbance of surface sediments.

Method used

Design a spiral mud sampling device. The device uses a control component to drive the rotating pipe and spiral blades to penetrate deep into the wetland bottom mud. The rotating pipe can rotate freely by using the guiding and limiting function of the roller, and the spiral blades can cut in and collect mud by combining the stable up and down movement of the ball bearings.

Benefits of technology

It enables rapid and accurate collection of sediment from estuarine wetlands, and its simple structure and convenient operation improve collection efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a spiral mud sampling device for estuary wetlands. The spiral mud sampling device comprises a base, the top of the base is symmetrically and fixedly connected with two fixing frames of U-shaped structures, a movable plate is movably arranged between the fixing frames, the bottom of the movable plate is rotatably connected with a rotating pipe, and the outer side of the rotating pipe is fixedly connected with a spiral blade; mounting frames are fixedly connected to the sides, close to the top, of the fixing frames, a mounting cylinder is fixedly connected between the mounting frames, a plurality of rollers are symmetrically and rotationally connected to the inner wall of the mounting cylinder at equal intervals, and every two adjacent rollers are in matched rolling connection with the upper surface and the lower surface of the spiral blade. By means of the structure, when the control assembly is arranged to drive the rotating pipe and the spiral blade to go deep into the wetland bottom mud, free rotating operation of the rotating pipe can be achieved under the guiding and limiting effects of the roller, so that the spiral blade can cut into the wetland bottom mud during rotation, bottom mud collection is achieved, the overall structure is simple, operation is convenient, and the collection efficiency is high; the rapid and accurate collection of the estuary wetland bottom mud can be realized.
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Description

TECHNICAL FIELD

[0001] The utility model relates to estuary wetland bottom mud collection technical field, especially relate to a spiral type mud sampling device for estuary wetland. BACKGROUND

[0002] Wetland ecosystem has the important function such as protecting biodiversity, regulating runoff, improving water quality, is the indispensable resource in nature. In order to effectively monitor and evaluate wetland pollution condition, need to collect and analyze wetland bottom mud periodically.

[0003] In estuary wetland research, common sediment sampling method includes grab type mud sampler, columnar mud sampler etc. And, these methods have the following limitations when facing the complex environment of estuary wetland: grab type mud sampler: although simple operation, but sampling depth is limited, and easy to disturb surface sediment, leading to inaccurate sample;Columnar mud sampler: can obtain deeper sediment sample, but the resistance of lowering or taking out is big, and the collection process is more laborious. Therefore, the utility model provides a spiral type mud sampling device for estuary wetland to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a spiral type mud sampling device for estuary wetland, when setting control assembly drives the rotation of pipe and spiral blade to the inside of wetland bottom mud, under the guidance and limiting effect of the roller, the free rotation operation of the rotation pipe can be realized, so that the spiral blade can cut into the wetland bottom mud when rotating, realize the collection of bottom mud, the overall structure is simple, convenient operation, high collection efficiency, can realize the rapid and accurate collection of estuary wetland bottom mud.

[0005] In order to realize the above-mentioned purpose, provide a spiral type mud sampling device for estuary wetland, including the base, the base top symmetry fixed connection has two U shape structure's fixed frame, the movable plate is swinged between the fixed frame, the movable plate bottom rotatory connection has the rotation pipe, the outside fixed connection of the rotation pipe has spiral blade;

[0006] The fixed frame is close to the top one side and is fixedly connected with the mounting bracket, the mounting bracket is fixedly connected with the mounting cylinder between, a plurality of rollers are rotatably connected on the inner wall of the mounting cylinder at equal intervals, and the upper surface and the lower surface of the spiral blade are rotatably connected with every two adjacent rollers.

[0007] The fixed frame is close to the top one side and is equipped with control assembly, and the control assembly is used to drive the movable plate to move up and down.

[0008] According to the spiral type mud collecting device for estuary wetland, the control assembly comprises two first fixed plates fixedly connected to the top of the corresponding fixed frame, a first connecting rod rotatably connected between the first fixed plates, two gears symmetrically and fixedly connected to the outer side of the first connecting rod, two movable rods symmetrically and slidably connected to the top side of the corresponding fixed frame, two racks fixedly connected to one side of the corresponding movable rod, and a driving assembly for driving the rotation of the first connecting rod, the gears are in meshing connection with the corresponding racks, the bottom end of the movable rod is fixedly connected with a movable plate, and the rack is movably connected to the inside of the corresponding fixed frame.

[0009] According to the spiral type mud collecting device for estuary wetland, the driving assembly comprises two second fixed plates fixedly connected to one side of one of the fixed frames, a second connecting rod rotatably connected between the second fixed plates, a worm fixedly connected to the middle of the second connecting rod, a worm wheel fixedly connected to one end of the first connecting rod, and a hand wheel fixedly connected to one end of the second connecting rod, and the worm is in meshing connection with the worm wheel.

[0010] According to the spiral type mud collecting device for estuary wetland, the far end of the drum away from the mounting cylinder is provided with a rolling ball, and the rolling ball is in rolling connection with the rotating pipe.

[0011] According to the spiral type mud collecting device for estuary wetland, the inside of one of the fixed frames is fixedly connected with a third fixed plate, two scraping rods are fixedly connected to the side of the third fixed plate close to the rotating pipe, and the scraping rods are located on the upper and lower sides of the spiral blade and are in sliding connection with the spiral blade.

[0012] According to the spiral type mud collecting device for estuary wetland, a plurality of positioning plates are fixedly connected to the outside of the base in a uniform manner, and the positioning plates are provided with insertion holes in the inside.

[0013] The utility model has the following beneficial effects:

[0014] 1、Compared with the prior art, when the control assembly drives the rotating pipe and the spiral blade to penetrate into the inside of the wetland sludge, the rotating pipe can realize free rotation operation under the guidance and limiting action of the drum, meanwhile, the rolling ball limits the rotating pipe in the middle for stable up-down movement, so that the spiral blade can cut into the wetland sludge during rotation, realizing the collection of the sludge, and the whole structure is simple, convenient to operate and high in collection efficiency, and the rapid and accurate collection of the estuary wetland sludge can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in connection with the drawings and examples;

[0016] Figure 1 It is a first view structure schematic view of the utility model spiral type mud collecting device for estuary wetland;

[0017] Figure 2 Figure 2 is a second perspective view of the spiral type mud sampling device for estuary wetlands of the utility model;

[0018] Figure 3 Figure 3 is a perspective view of the spiral type mud sampling device for estuary wetlands of the utility model; Figure 2 Figure 4 is an enlarged view of position A in Figure 3;

[0019] Figure 4 Figure 5 is a schematic view of the internal structure of the installation cylinder of the spiral type mud sampling device for estuary wetlands of the utility model;

[0020] Figure 5 Figure 6 is a schematic view of the structure after removing the installation cylinder of the spiral type mud sampling device for estuary wetlands of the utility model. Figure 4

[0021] Legend:

[0022] 1, base; 2, fixed frame; 3, installation cylinder; 4, mounting bracket; 5, rotating pipe; 6, spiral blade; 7, movable plate; 8, movable rod; 9, first fixed plate; 10, first connecting rod; 11, second fixed plate; 12, second connecting rod; 13, hand wheel; 14, third fixed plate; 15, scraping rod; 16, rack; 17, worm; 18, worm gear; 19, gear; 20, ball; 21, roller. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings. The drawings serve to supplement the description in the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model. However, it cannot be understood as a limitation on the protection scope of the utility model.

[0024] With reference to Figures 1-5 , the utility model discloses a spiral type mud sampling device for estuary wetlands, which comprises a base 1, two U-shaped fixed frames 2 are symmetrically and fixedly connected to the top of the base 1, a movable plate 7 is movably arranged between the fixed frames 2, a rotating pipe 5 is rotatably connected to the bottom of the movable plate 7, spiral blades 6 are fixedly connected to the outer side of the rotating pipe 5, mounting brackets 4 are fixedly connected to one side of the fixed frames 2 close to the top, an installation cylinder 3 is fixedly connected between the mounting brackets 4, a plurality of rollers 21 are equidistantly and symmetrically rotatably connected to the inner wall of the installation cylinder 3, every two adjacent rollers 21 are rotatably connected with the upper surface and the lower surface of the spiral blades 6, a ball 20 is arranged at the end of the roller 21 away from the installation cylinder 3, and the ball 20 is rotatably connected with the rotating pipe 5.

[0025] ​The base 1 is placed in the area to be collected, and the movable plate 7 moves downward to drive the rotating pipe 5 and the spiral blade 6 thereon to penetrate into the interior of the wetland sediment. In order to guide the rotation of the rotating pipe 5, the rollers 21 are respectively connected with the upper surface and the lower surface of the spiral blade 6 to roll, and the rotating pipe 5 can be freely rotated under the guidance and limiting action of the rollers 21, and the ball 20 limits the rotating pipe 5 in the middle to stably move up and down, so that the spiral blade 6 can cut into the wetland sediment when rotating to realize the collection of the sediment. The whole structure is simple, convenient to operate and high in collection efficiency, and can realize the rapid and accurate collection of the wetland sediment in the estuary.

[0026] In order to drive the spiral blade 6 to penetrate or exit the wetland sediment, the control assembly is arranged on one side of the top of the fixed frame 2, and is used to drive the movable plate 7 to move up and down. The control assembly comprises two first fixed plates 9 fixedly connected to the top of the corresponding fixed frame 2, a first connecting rod 10 rotatably connected between the first fixed plates 9, two symmetrical gears 19 fixedly connected to the outer side of the first connecting rod 10, two movable rods 8 symmetrically and slidably connected to the top side of the corresponding fixed frame 2, two racks 16 fixedly connected to one side of the corresponding movable rod 8, and a driving assembly for driving the rotation of the first connecting rod 10. The gears 19 are meshingly connected with the corresponding racks 16. The bottom ends of the movable rods 8 are fixedly connected with the movable plate 7. The racks 16 are movably connected in the interior of the corresponding fixed frame 2. The driving assembly comprises two second fixed plates 11 fixedly connected to one side of one of the fixed frames 2, a second connecting rod 12 rotatably connected between the second fixed plates 11, a worm 17 fixedly connected to the middle of the second connecting rod 12, a worm wheel 18 fixedly connected to one end of the first connecting rod 10, and a hand wheel 13 fixedly connected to one end of the second connecting rod 12. The worm 17 is meshingly connected with the worm wheel 18.

[0027] When the hand wheel 13 is rotated, the worm 17 and the worm wheel 18 are driven to rotate, and the rotation of the first connecting rod 10 and the gear 19 is driven. The rotating gear 19 synchronously drives the racks 16 and the movable rods 8 to move up and down, and the up and down movement of the movable plate 7 and the spiral blade 6 is flexibly and simply controlled. At the same time, scale lines can be arranged on the outer side of the movable rod 8 to better judge the collection depth.

[0028] The inner side of one of the fixed frames 2 is fixedly connected with a third fixed plate 14. Two scraping rods 15 are fixedly connected to one side of the third fixed plate 14, which are located on the upper and lower sides of the spiral blade 6 and are slidably connected with the spiral blade 6. The excess sediment adhering to the surface of the spiral blade 6 can be scraped off by the scraping rod 15 when the spiral blade 6 rotates.

[0029] In order to facilitate the positioning and fixing of the whole device, a plurality of positioning plates are fixedly connected to the outer side of the base 1. The insertion holes are arranged in the interior of the positioning plates, which can be matched with the fixed piles or other fixing devices to realize the stable fixing of the whole device.

[0030] Working principle: the base 1 is placed in the area to be collected, rotating hand wheel 13 drive worm 17 and worm gear 18 rotation, and drive the first connecting rod 10 and gear 19 rotation, rotating gear 19 synchronous drive rack 16 and the activity rod 8 up and down, and then flexible, simple and convenient control of the activity plate 7 and spiral blade 6 to the wetland sediment inside;

[0031] Meanwhile, the roller 21 is respectively matched with the upper surface and the lower surface of the spiral blade 6 to be connected with rolling, and the free rotation operation of the rotating tube 5 can be realized under the guidance and limiting action of the roller 21, and the ball 20 limits the rotating tube 5 in the middle to stably move up and down, so that the spiral blade 6 can cut into the wetland sediment when rotating, the collection of the sediment is realized, the whole structure is simple, the operation is convenient, the collection efficiency is high, and the rapid and accurate collection of the estuary wetland sediment can be realized.

[0032] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by those skilled in the art in the technical field without departing from the purpose of the utility model.

Claims

1. A screw-type dredging device for estuarine wetlands, characterized in that, Including base (1), the top of the base (1) is fixedly connected with two U-shaped structure's fixed frame (2) symmetry, the movable plate (7) is movably arranged between the fixed frame (2), the movable plate (7) bottom rotatably connected with the rotating pipe (5), the rotating pipe (5) outside fixedly connected with helical blade (6); The fixed frame (2) is fixedly connected with the mounting frame (4) on one side close to the top, the mounting frame (4) is fixedly connected with the mounting cylinder (3), and a plurality of roller cylinders (21) are rotatably connected on the inner wall of the mounting cylinder (3) at equal intervals, and every two adjacent roller cylinders (21) are rotatably connected with the upper surface and the lower surface of the helical blade (6). The fixed frame (2) is provided with a control assembly on one side close to the top, and the control assembly is used to drive the movable plate (7) to move up and down.

2. The screw-type sediment sampler for estuarine wetlands according to claim 1, wherein The control assembly comprises two first fixed plates (9) fixedly connected to the top of the corresponding fixed frame (2), a first connecting rod (10) rotatably connected between the first fixed plates (9), two gears (19) symmetrically fixedly connected to the outer side of the first connecting rod (10), two movable rods (8) symmetrically slidably connected to the top side of the corresponding fixed frame (2), two racks (16) fixedly connected to one side of the corresponding movable rod (8), and a driving assembly for driving the first connecting rod (10) to rotate, the gear (19) is engagedly connected with the corresponding rack (16), the movable rod (8) is fixedly connected with the movable plate (7) at the bottom end, and the rack (16) is movably connected in the corresponding fixed frame (2).

3. The screw-type dredging device for estuary wetlands according to claim 2, characterized in that, The driving assembly comprises two second fixed plates (11) fixedly connected to one side of one of the fixed frames (2), a second connecting rod (12) rotatably connected between the second fixed plates (11), a worm (17) fixedly connected to the middle of the second connecting rod (12), a worm wheel (18) fixedly connected to one end of the first connecting rod (10), and a hand wheel (13) fixedly connected to one end of the second connecting rod (12), and the worm (17) is engagedly connected with the worm wheel (18).

4. The screw-type dredging device for estuary wetlands according to claim 3, characterized in that, The roller cylinder (21) is rotatably connected with the rotating pipe (5) at the end away from the mounting cylinder (3).

5. The screw-type dredging device for estuary wetlands according to claim 4, characterized in that, One of the fixed frame (2) is fixedly connected with a third fixed plate (14) on the inner side, and the third fixed plate (14) is fixedly connected with two scraping rods (15) on one side close to the rotating pipe (5), and the scraping rods (15) are located on the upper and lower sides of the helical blade (6) and are slidably connected with the helical blade (6).

6. The screw-type dredging device for estuary wetlands according to claim 1, characterized in that, The base (1) is fixedly connected with a plurality of positioning plates on the outer side, and the positioning plates are provided with a plug hole in the inner side.