Depth-keeping sampler for lake and river sediments

Abstract

The utility model provides a lake and river sediment depth-keeping sampler which comprises a bottom plate, a stand column is arranged at the top of the bottom plate, a transverse fixing column is fixedly arranged at the top of the stand column, a winch is arranged on one side of the transverse fixing column, and a first electric telescopic cylinder is arranged on the other side of the transverse fixing column. A fiber tape is arranged at the output end of the first electric telescopic cylinder through a first roller, a second roller is arranged at the bottom of the transverse fixing column, a third roller is arranged at the bottom of the output end of the first electric telescopic cylinder, an iron rope is arranged on the winch, and one end of the iron rope penetrates through a winch fixing box. The fiber tape is fixedly connected with a water source sampling module through a second roller and a third roller in sequence, the fiber tape is connected with the water source sampling module, and the bottom of the water source sampling module is fixedly connected with a sediment sampling module through a supporting rod. The depth-keeping sampler for the lake and river sediments, provided by the utility model, can realize depth-keeping water source sampling and sediment sampling, and improves the sampling efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of fixed-depth sampling of water bodies, in particular to a fixed-depth sampler for lake and river sediments. Background Art

[0002] When studying lakes and rivers, it is often necessary to sample water layers and sediments at different depths in the lakes and rivers. Existing samplers often only support water sampling or sediment sampling. When sampling, when both water and sediment samples are needed, two samplers are often required, which is time-consuming and labor-intensive. In addition, when the existing water sampler rises or falls, water sources at different depths may seep into the sampler, thereby contaminating the sampled water source and affecting the final test results. Existing sediment sampling makes it difficult to ensure the thickness, layered structure, and fixed sampling area of ​​the sampled sediment, which also affects the accuracy of the test. Therefore, it is very necessary to design a fixed-depth sampler for lake and river sediments. Utility Model Content

[0003] The purpose of the utility model is to provide a lake and river sediment fixed-depth sampler with a simple structure, capable of achieving fixed-depth water source sampling and sediment sampling, easy to use, and improved sampling efficiency.

[0004] To achieve the above purpose, the present invention provides the following solutions:

[0005] A lake and river sediment fixed depth sampler, comprising: a base plate, a column, a transverse fixed column, a winch fixing box, a winch, a fiber tape measure, a first electric telescopic cylinder, a water source sampling module, a sediment sampling module, a touch screen and a controller, wherein the column is arranged on the top of the base plate, the touch screen is arranged on the front of the column, the transverse fixed column is fixedly arranged on the top of the column, the winch fixing box is arranged at the bottom of one side of the transverse fixed column, the winch is arranged inside the winch fixing box, the first electric telescopic cylinder is transversely fixedly arranged at the center of the other side of the transverse fixed column, a first roller is arranged at the center of the output end of the first electric telescopic cylinder, and the fiber tape measure is arranged at the bottom of the first roller. A second roller is provided at the bottom of the side of the horizontal fixed column away from the winch fixing box, and a third roller is provided at the bottom of the output end of the first electric telescopic cylinder. An iron rope is provided on the winch, and one end of the iron rope passes through the winch fixing box, and is fixedly connected to the water source sampling module through the second roller and the third roller in sequence. The fiber tape is connected to the water source sampling module, and the bottom of the water source sampling module is fixedly connected to the sediment sampling module through a support rod. The water source sampling module is used to collect water samples from different water layers, and the sediment sampling module is used to collect sediments. The first electric telescopic cylinder, winch, water source sampling module, sediment sampling module and touch display screen are electrically connected to the controller.

[0006] Optionally, the water source sampling module includes a first sampling box, a partition, a water inlet pipe, a water outlet pipe, a solenoid valve and a water pump, the iron rope is connected to the top center of the first sampling box, the fiber tape is connected to the top side of the first sampling box, the partition is fixedly arranged in the middle of the interior of the first sampling box, the partition divides the interior of the first sampling box into a sampling chamber and a storage chamber, the water pump is arranged in the storage chamber, a water inlet is arranged at the bottom of the storage chamber, the water inlet is connected to one end of the water inlet pipe, the other end of the water inlet pipe is connected to the water pump, the water pump is connected to one end of the water outlet pipe, the other end of the water outlet pipe passes through the partition and is arranged inside the sampling chamber, the solenoid valve is arranged on both the water inlet pipe and the water outlet pipe, a liquid level sensor is arranged on the inner wall of the sampling chamber, and the solenoid valve, water pump and liquid level sensor are electrically connected to the controller.

[0007] Optionally, a filter screen is provided at the water inlet.

[0008] Optionally, the sediment sampler includes a second sampling box, a third sampling box, a first operating shell, an operating rod, a sampling tube, a second electric telescopic cylinder, a rotating motor and a sampling auxiliary locking device. The second sampling box is fixedly provided at the bottom of the first sampling box through a support rod, the second electric telescopic cylinder is fixedly provided at the inner top of the second sampling box, a first opening is provided at the bottom of the second sampling box, the top of the third sampling box is fixedly connected to the output end of the second electric telescopic cylinder through the first opening, the rotating motor is fixedly provided at the inner top of the third sampling box, and a second opening is provided at the bottom of the third sampling box The first operating shell is provided at the bottom of the third sampling box body, and an operating rod is provided inside the first operating shell. The output end of the rotating motor passes through the second opening and the top of the first operating shell and is fixedly connected to the top of the operating rod. The sampling cylinder is provided at the bottom of the operating rod, and the bottom of the sampling cylinder is flush with the bottom of the first operating shell. A gear pattern is provided around the bottom of the sampling cylinder, and the sampling auxiliary locking device is provided at the bottom of the first operating shell corresponding to the gear pattern, and the gear pattern is meshed with the sampling auxiliary locking device. The second electric telescopic cylinder and the rotating motor are electrically connected to the controller.

[0009] Optionally, the sampling auxiliary locking device includes a plurality of fan-shaped metal sheets, a sliding metal column, a rotating part and a chassis. The chassis is arranged between the bottom of the first operating shell and the bottom of the sampling tube. The top of the chassis is provided with a plurality of the fan-shaped metal sheets through a rotating part. The sliding metal column is arranged on the top of the chassis corresponding to the fan-shaped metal sheets. The gear pattern of the sampling tube is meshed with the rotating part to drive the fan-shaped metal sheets to open and close. The sliding metal column is used to play a buffering role.

[0010] Optionally, a rubber sealing sleeve is provided between the first opening, the second opening, the water outlet pipe and the partition for waterproofing.

[0011] According to the specific embodiment provided by the utility model, the utility model discloses the following technical effects: the lake and river sediment fixed depth sampler provided by the utility model includes a bottom plate, a column, a horizontal fixed column, a winch fixing box, a winch, a fiber tape measure, a first electric telescopic cylinder, a water source sampling module, a sediment sampling module, a touch display screen and a controller. At the same time, a water source sampling module and a sediment sampling module are provided. The sampler can realize water source sampling and sediment sampling without using multiple samplers at the same time, thereby improving the sampling efficiency. Among them, the water source sampling module includes a first sampling box, a partition, a water inlet pipe, a water outlet pipe, an electromagnetic valve and a water pump. When in use, the water source is sampled by the water pump. For extraction, the sediment sampler includes a second sampling box, a third sampling box, a first operating shell, an operating rod, a sampling tube, a second electric telescopic cylinder, a rotating motor and a sampling auxiliary locking device. The sampling auxiliary locking device can obtain a complete sediment sample, making the research and analysis more accurate. The device is also provided with a touch display screen, and the controller can be controlled by the touch display screen. The device is provided with a first electric telescopic cylinder, and the horizontal position of the water source sampling module and the sediment sampling module can be adjusted by the first electric telescopic cylinder. The device is provided with a fiber tape measure, and the fiber tape measure can be used to realize the height determination of the water source sampling module and the sediment sampling module, thereby realizing fixed depth sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 This is a schematic structural diagram of a fixed-depth sampler for lake and river sediments according to an embodiment of the present utility model;

[0014] Figure 2 This is a schematic diagram of the water source sampling module structure;

[0015] Figure 3 This is a structural diagram of the sampling auxiliary locking device.

[0016] Figure numerals: 1. base plate; 2. column; 3. winch fixing box; 4. horizontal fixing column; 5. second roller; 6. first electric telescopic cylinder; 7. iron rope; 8. third roller; 9. water source sampling module; 10. first roller; 11. fiber tape; 12. support rod; 13. second sampling box; 14. second electric telescopic cylinder; 15. third sampling box; 16. rotating motor; 17. first operating shell; 18. operating rod; 19. sampling tube; 20. sampling auxiliary locking device; 21. box cover; 22. first sampling box; 23. partition; 24. water inlet; 25. filter screen; 26. water inlet pipe; 27. water pump; 28. water outlet pipe; 29. ​​chassis; 30. fan-shaped metal sheet; 31. sliding metal column; 32. rotating part. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] The purpose of the utility model is to provide a lake and river sediment fixed-depth sampler with a simple structure, capable of achieving fixed-depth water source sampling and sediment sampling, easy to use, and improved sampling efficiency.

[0019] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below with reference to the accompanying drawings and specific implementation methods.

[0020] like Figure 1As shown, the lake and river sediment fixed depth sampler provided by the embodiment of the present invention includes: a base plate 1, a column 2, a transverse fixed column 4, a winch fixing box 3, a winch, a fiber tape 11, a first electric telescopic cylinder 6, a water source sampling module 9, a sediment sampling module, a touch screen and a controller. The column 2 is arranged on the top of the base plate 1, the touch screen is arranged on the front of the column 2, the transverse fixed column 4 is fixedly arranged on the top of the column 2, the winch fixing box 3 is arranged on the bottom of one side of the transverse fixed column 4, the winch is arranged inside the winch fixing box 3, the first electric telescopic cylinder 6 is transversely fixedly arranged at the center of the other side of the transverse fixed column 4, the output end center of the first electric telescopic cylinder 6 is provided with a first roller 10, and the bottom of the first roller 10 is provided The fiber tape measure 11, the horizontal fixed column 4 is provided with a second roller 5 at the bottom of the side away from the winch fixing box 3, the bottom of the output end of the first electric telescopic cylinder 6 is provided with a third roller 8, the winch is provided with an iron rope 7, one end of the iron rope 7 passes through the winch fixing box 3, and is fixedly connected to the water source sampling module 9 through the second roller 5 and the third roller 8 in sequence. The fiber tape measure 11 is connected to the water source sampling module 9, and the bottom of the water source sampling module 9 is fixedly connected to the sediment sampling module through a support rod 12. The water source sampling module 9 is used to collect water samples from different water layers, and the sediment sampling module is used to collect sediments. The first electric telescopic cylinder 6, winch, water source sampling module 9, sediment sampling module and touch display screen are electrically connected to the controller.

[0021] When in use, the base plate 1 is fixedly set on the ground or on a boat, and the first electric telescopic cylinder 6 is adjusted so that the first electric telescopic cylinder 6 pushes the water source sampling module 9 and the sediment sampling module to a suitable position. The controller controls the winch to start, and under the action of the dead weight of the water source sampling module 9 and the sediment sampling module, the water source sampling module 9 and the sediment sampling module sink into the water. A counterweight block can be set on the water source sampling module 9 or the sediment sampling module according to specific needs. According to specific needs, multiple winches, second rollers 5, third rollers 8 and iron ropes 7 can also be set and fixed at the four corners or other positions on the top of the water source sampling module 9, so that the water source sampling module 9 and the sediment sampling module are more stable.

[0022] The depth-fixing function is achieved through the fiber tape measure 11. If the first electric telescopic rod 6 is extended too far, a camera can be set at the first roller 10, facing the fiber tape measure 11, to shoot the scale on the fiber tape measure 11, so as to facilitate depth judgment. The first roller 10 is fixedly connected to the first electric telescopic cylinder 6. When the water source sampling module 9 moves downward, it drives the fiber tape measure 11 to rotate, and then drives the fiber tape measure 11 to extend. The scale line of the fiber tape measure 11 is read to obtain the depth value.

[0023] like Figure 2 As shown, the water source sampling module 9 includes a first sampling box 22, a partition 23, a water inlet pipe 26, a water outlet pipe 28, a solenoid valve and a water pump 27. The iron rope 7 is connected to the top center of the first sampling box 22, and the fiber tape 11 is connected to the top side of the first sampling box 22. The partition 23 is fixedly arranged in the middle of the interior of the first sampling box 22. The partition 23 divides the interior of the first sampling box 22 into a sampling chamber and a storage chamber. The water pump 27 is arranged in the storage chamber. A water inlet 24 is provided at the bottom of the storage chamber, the water inlet 24 is connected to one end of the water inlet pipe 26, the other end of the water inlet pipe 26 is connected to the water pump 27, the water pump 27 is connected to one end of the water outlet pipe 28, the other end of the water outlet pipe 28 passes through the partition 23 and is provided inside the sampling chamber, the solenoid valve is provided on the water inlet pipe 26 and the water outlet pipe 28, a liquid level sensor is provided on the inner wall of the sampling chamber, and the solenoid valve, water pump and liquid level sensor are electrically connected to the controller;

[0024] A filter screen 25 is provided at the water inlet 24;

[0025] The first sampling box 22 is provided with a box cover 21, one end of the box cover 21 is hinged to the first sampling box 22, and the other end is detachably connected by a fixed lock, and a rubber sealing sleeve is provided between the box cover 21 and the first sampling box 22 for waterproofing. A rubber sealing sleeve is also provided around the partition 23 for waterproofing, so that the sampled water sample inside the sampling chamber will not leak out, and the interior of the chamber is kept dry;

[0026] During use, when the designated position is reached, the controller controls the solenoid valve and the water pump 27 to open, and water is pumped through the water inlet. The water is first filtered through the filter 25, and then passes through the water inlet pipe 26, the water pump 27, and the water outlet pipe 28 in sequence to enter the interior of the sampling chamber. When the liquid level sensor detects that the water level reaches the preset position, the controller controls the water pump 27 and the solenoid valve to close, and the sampling is completed. The control system here can be implemented by the controller, or a sampling controller and a battery can be additionally provided, and the sampling controller can be connected to the controller through a wireless communication module or a wired communication module. This is common knowledge and will not be described in detail.

[0027] The sediment sampler includes a second sampling box 13, a third sampling box 15, a first operating shell 17, an operating rod 18, a sampling tube 19, a second electric telescopic cylinder 14, a rotating motor 16 and a sampling auxiliary locking device 20. The bottom of the first sampling box 22 is fixedly provided with the second sampling box 13 through the support rod 12, the inner top of the second sampling box 13 is fixedly provided with the second electric telescopic cylinder 14, the bottom of the second sampling box 13 is provided with a first opening, the top of the third sampling box 15 is fixedly connected to the output end of the second electric telescopic cylinder 14 through the first opening, the inner top of the third sampling box 15 is fixedly provided with the rotating motor 16, and the bottom of the third sampling box 15 is provided with a second opening. The first operating housing 17 is provided at the bottom of the third sampling box 15, and an operating rod 18 is provided inside the first operating housing 17. The output end of the rotating motor 16 passes through the second opening and the top of the first operating housing 17 and is fixedly connected to the top of the operating rod 18. The sampling cylinder 19 is provided at the bottom of the operating rod 18, and the bottom of the sampling cylinder 19 is flush with the bottom of the first operating housing 17. A gear pattern is provided around the bottom of the sampling cylinder 19. The sampling auxiliary locking device 20 is provided at the bottom of the first operating housing 17 corresponding to the gear pattern, and the gear pattern is meshed with the sampling auxiliary locking device 20. The second electric telescopic cylinder 14 and the rotating motor 16 are electrically connected to the controller;

[0028] like Figure 3 As shown, the sampling auxiliary locking device includes a plurality of fan-shaped metal sheets 30, a sliding metal column 31, a rotating member 32 and a chassis 29. The chassis 29 is arranged between the bottom of the first operating housing 17 and the bottom of the sampling cylinder 19. The top of the chassis 29 is provided with a plurality of the fan-shaped metal sheets 30 through a rotating member 32. The top of the chassis 29 is provided with the sliding metal column 31 corresponding to the fan-shaped metal sheets 30. The gear pattern of the sampling cylinder 19 is meshed with the rotating member 32 to drive the fan-shaped metal sheets 30 to open and close. The sliding metal column 31 is used to act as a buffer.

[0029] When it reaches the specified position, the controller controls the second electric telescopic cylinder 14 to extend, thereby driving the second sampling box 13 to move downward, wherein the first sampling box 22 and the second sampling box 13 are slidably arranged and sealed to prevent water from entering the first sampling box 22, thereby driving the first operating shell 17 and the operating rod 18 to move downward, thereby driving the sampling cylinder 19 to move downward, pressing the sampling cylinder 19 into the sediment, so that the sediment enters the sampling cylinder 19. At this time, the controller controls the rotating motor 16 to rotate, thereby driving the operating rod 18 and the sampling cylinder 19 to rotate, thereby driving the gear pattern at the bottom of the sampling cylinder 19 to rotate, the gear pattern drives the rotating part 32 to rotate, and the rotating part 32 drives the fan-shaped metal sheet 30 to close, realizing sediment sampling. When the sampled sediment needs to be taken out, the controller controls the rotating motor 16 to rotate in the opposite direction, driving the fan-shaped metal sheet 30 to open, and the sediment can be taken out. It is necessary to ensure that the second sampling box 13 and the third sampling box 15 remain water-free.

[0030] Rubber sealing sleeves are provided between the first opening, the second opening, the water outlet pipe and the partition plate for waterproofing.

[0031] The utility model provides a lake and river sediment fixed depth sampler, which includes a bottom plate, a column, a horizontal fixed column, a winch fixing box, a winch, a fiber tape, a first electric telescopic cylinder, a water source sampling module, a sediment sampling module, a touch display screen and a controller. At the same time, a water source sampling module and a sediment sampling module are provided. The sampler can realize water source sampling and sediment sampling without using multiple samplers at the same time, thereby improving the sampling efficiency. Among them, the water source sampling module includes a first sampling box, a partition, a water inlet pipe, a water outlet pipe, an electromagnetic valve and a water pump. When in use, the water pump is used to extract water from the external source. The sediment sampler includes a second sampling The sampling box, the third sampling box, the first operating shell, the operating rod, the sampling tube, the second electric telescopic cylinder, the rotating motor and the sampling auxiliary locking device. The sampling auxiliary locking device can obtain a complete sediment sample, making the research and analysis more accurate. The device is also provided with a touch display screen, and the controller can be controlled by the touch display screen. The device is provided with a first electric telescopic cylinder, and the horizontal position of the water source sampling module and the sediment sampling module can be adjusted by the first electric telescopic cylinder. The device is provided with a fiber tape measure, and the fiber tape measure can be used to realize the height determination of the water source sampling module and the sediment sampling module, thereby realizing fixed depth sampling.

[0032] This document uses specific examples to illustrate the principles and implementation methods of the present invention. The above examples are only intended to help understand the method and core concept of the present invention. At the same time, those skilled in the art will find that the specific implementation methods and application scopes may vary based on the concept of the present invention. In summary, the contents of this specification should not be construed as limiting the present invention.

Claims

1. A lake and river sediment fixed depth sampler, characterized in that: include: A base plate, a column, a transverse fixed column, a winch fixing box, a winch, a fiber tape measure, a first electric telescopic cylinder, a water source sampling module, a sediment sampling module, a touch screen and a controller. The column is set on the top of the base plate, the touch screen is set on the front of the column, the transverse fixed column is fixed on the top of the column, the winch fixing box is set at the bottom of one side of the transverse fixed column, the winch is set inside the winch fixing box, the first electric telescopic cylinder is fixedly set at the center of the other side of the transverse fixed column, the first roller is set at the center of the output end of the first electric telescopic cylinder, the fiber tape measure is set at the bottom of the first roller, and the transverse fixed column is away from A second roller is provided at the bottom of one side of the winch fixing box, and a third roller is provided at the bottom of the output end of the first electric telescopic cylinder. An iron rope is provided on the winch, and one end of the iron rope passes through the winch fixing box, and is fixedly connected to the water source sampling module through the second roller and the third roller in sequence. The fiber tape is connected to the water source sampling module, and the bottom of the water source sampling module is fixedly connected to the sediment sampling module through a support rod. The water source sampling module is used to collect water samples from different water layers, and the sediment sampling module is used to collect sediments. The first electric telescopic cylinder, winch, water source sampling module, sediment sampling module and touch display screen are electrically connected to the controller.

2. The lake and river sediment constant depth sampler according to claim 1, characterized in that: The water source sampling module includes a first sampling box, a partition, a water inlet pipe, a water outlet pipe, a solenoid valve and a water pump. The iron rope is connected to the top center of the first sampling box, the fiber tape is connected to the top side of the first sampling box, and the partition is fixedly arranged in the middle of the interior of the first sampling box. The partition divides the interior of the first sampling box into a sampling chamber and a storage chamber. The water pump is arranged in the storage chamber, and a water inlet is arranged at the bottom of the storage chamber. The water inlet is connected to one end of the water inlet pipe, and the other end of the water inlet pipe is connected to the water pump. The water pump is connected to one end of the water outlet pipe, and the other end of the water outlet pipe passes through the partition and is arranged inside the sampling chamber. The solenoid valve is arranged on both the water inlet pipe and the water outlet pipe, and a liquid level sensor is arranged on the inner wall of the sampling chamber. The solenoid valve, water pump and liquid level sensor are electrically connected to the controller.

3. The lake and river sediment constant depth sampler according to claim 2, characterized in that: A filter screen is provided at the water inlet.

4. The lake and river sediment constant depth sampler according to claim 2, characterized in that: The sediment sampler includes a second sampling box, a third sampling box, a first operating shell, an operating rod, a sampling tube, a second electric telescopic cylinder, a rotating motor and a sampling auxiliary locking device. The bottom of the first sampling box is fixed with the second sampling box through a support rod, the inner top of the second sampling box is fixed with the second electric telescopic cylinder, the bottom of the second sampling box is provided with a first opening, the top of the third sampling box is fixedly connected to the output end of the second electric telescopic cylinder through the first opening, the inner top of the third sampling box is fixed with the rotating motor, and the bottom of the third sampling box is provided with a second opening. The first operating shell is set at the bottom of the third sampling box, and an operating rod is set inside the first operating shell. The output end of the rotating motor passes through the second opening and the top of the first operating shell and is fixedly connected to the top of the operating rod. The sampling cylinder is set at the bottom of the operating rod, and the bottom of the sampling cylinder is flush with the bottom of the first operating shell. Gear patterns are set around the bottom of the sampling cylinder, and the sampling auxiliary locking device is set at the bottom of the first operating shell corresponding to the gear patterns, and the gear patterns are meshed with the sampling auxiliary locking device. The second electric telescopic cylinder and the rotating motor are electrically connected to the controller.

5. The lake and river sediment constant depth sampler according to claim 4, characterized in that: The sampling auxiliary locking device includes multiple fan-shaped metal sheets, sliding metal columns, rotating parts and a chassis. The chassis is arranged between the bottom of the first operating shell and the bottom of the sampling tube. Multiple fan-shaped metal sheets are arranged on the top of the chassis through a rotating part. The sliding metal columns are arranged on the top of the chassis corresponding to the fan-shaped metal sheets. The gear pattern of the sampling tube is meshed with the rotating part to drive the fan-shaped metal sheets to open and close. The sliding metal columns are used to play a buffering role.

6. The lake and river sediment constant depth sampler according to claim 5, characterized in that: Rubber sealing sleeves are provided between the first opening, the second opening, the water outlet pipe and the partition plate for waterproofing.

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