River channel deepwater sampling detection device

Abstract

The utility model relates to the technical field of deepwater sampling, in particular to a riverway deepwater sampling detection device which comprises a conical balancing weight, the conical balancing weight is provided with a foreign matter prevention blocking mechanism, the foreign matter prevention blocking mechanism comprises an external thread ring and a conical filter screen, the inner ring of the conical filter screen is provided with an internal thread, and the conical filter screen is provided with an external thread. An inner thread of the conical filter screen is rotationally connected to an outer thread of the outer thread ring, an automatic opening and closing mechanism is arranged on the outer thread ring and comprises a waterproof multi-stage electric push rod, a connecting block and a shielding plate, and the tail end face of the output end of the waterproof multi-stage electric push rod is fixedly connected with the connecting block. According to the utility model, the square sealing ring is jacked up to cling to the bottom surface of the conical balancing weight through the rebound force of the plurality of springs, so that the square sealing ring is tightly clung to the bottom surface of the conical balancing weight, and a barrier is formed at the periphery of the water inlet hole, namely the sampling data deviation caused by the mixing of deep water in the water inlet hole and water at a moderate water level and a shallow water level is avoided.

Description

Technical Field

[0001] This application relates to the field of deep-water sampling technology, and in particular to a deep-water sampling and detection device for river channels. Background Technology

[0002] With rapid industrialization and urbanization, river water pollution has become an increasingly prominent problem. The water quality in deep water areas often differs significantly from that of surface water. Therefore, deep water sampling and testing are crucial for comprehensively assessing river water quality and developing scientific water pollution prevention and control measures. River ecosystems are complex, and deep water areas are habitats for many aquatic organisms. Deep water sampling and testing help understand the living environment of aquatic organisms, assess the impact of human activities on the river's ecological environment, and provide data support for ecological protection.

[0003] A search revealed Chinese Patent Publication No. CN213022444U, which discloses a novel river water sampling device, comprising a main body, a power module, a sampling box, and a launching mechanism. The main body includes a base, a support cylinder, a rotating support seat, a threaded support rod, and a crossbeam. The support cylinder is vertically positioned on the right side of the upper surface of the base, with its upper end connected to the lower end of the rotating support seat. The lower end of the support cylinder is connected to the upper end of the support cylinder. The rotating cylinder is rotatably connected to the connecting seat, and its upper end is connected to the lower end of a rotating disk, which has a ring structure. The upper right side of the threaded support rod is connected to the left end of the crossbeam. The launching mechanism is located on the upper left side of the crossbeam, and the sampling box is positioned on the lower right side of the crossbeam via the launching mechanism. The power module provides electrical energy. The launching mechanism is used to lift or lower the sampling box. This invention allows for height and angle adjustment, making it suitable for different environments. Furthermore, the adjustable center of gravity enhances its practicality.

[0004] Regarding the aforementioned related technologies, the inventors have discovered the following drawbacks:

[0005] When sampling in deep water, if the sampler is not properly sealed, it can cause the sampler to be raised from deep water to medium water level and shallow water level, resulting in a mixture of different water qualities and affecting the detection accuracy of deep water data.

[0006] Therefore, in response to the above problems, the applicant provides a deep-water sampling and testing device for river channels. Utility Model Content

[0007] To address the problems mentioned in the background section, this application provides a deep-water sampling and testing device for river channels.

[0008] This application provides a deep-water sampling and detection device for river channels, which adopts the following technical solution:

[0009] A deep-water sampling and testing device for rivers includes a conical counterweight. The conical counterweight is equipped with an anti-foreign object blocking mechanism. The anti-foreign object blocking mechanism includes an external threaded ring and a conical filter screen. The inner ring of the conical filter screen has an internal thread, and the internal thread of the conical filter screen is rotatably connected to the external thread of the external threaded ring.

[0010] An automatic opening and closing mechanism is provided on the external threaded ring. The automatic opening and closing mechanism includes a waterproof multi-stage electric push rod, a connecting block, and a baffle plate. The tail end face of the output end of the waterproof multi-stage electric push rod is fixedly connected to the connecting block, and the top surface of the connecting block is fixedly connected to the bottom surface of the baffle plate.

[0011] The shield is equipped with a leak-proof mechanism, which includes a spring and a square sealing ring. Multiple springs are installed on the bottom surface of the square sealing ring.

[0012] Optionally, it also includes a sampler, which consists of a sampling barrel, a conical counterweight, and a sealing cap. Two-thirds of the sampling barrel has a hollow internal structure, and one-third of the sampling barrel has a solid structure. The sampling barrel is threadedly connected to the sealing cap.

[0013] Optionally, the conical counterweight has a water inlet hole that runs vertically through it, and the top surface of the bottom surface of the conical counterweight is fixedly connected to the external threaded ring.

[0014] Optionally, the bottom of the conical counterweight is provided with two sliding grooves, and sliding strips are slidably connected in the two sliding grooves. A baffle is fixedly connected between the two sliding strips.

[0015] Optionally, the shield plate has a square slot, in which the bottom ends of multiple springs are fixedly connected, and a square sealing ring is interference-fitted into the square slot.

[0016] Optionally, a fixing plate is vertically fixed to the bottom surface of the conical counterweight, a water level sensor is fixedly installed on one side of the connecting block, a connecting cylinder is fixedly connected to the bottom surface of the conical counterweight, and an underwater camera is installed at one end of the connecting cylinder, with the underwater camera located below the water inlet.

[0017] Optionally, an underwater camera A is installed at the bottom of the sealing cover, and the water level sensor, the underwater camera, and the underwater camera A are all internally powered.

[0018] Optionally, the top surface of the sealing cover is fixedly connected to a support lug, a wire rope buckle is bolted to the support lug, the wire rope buckle is fixedly connected to the counterweight cylinder, and a thin wire rope is fixedly connected to the top of the counterweight cylinder, the thin wire rope being several meters in length.

[0019] In summary, this application includes the following beneficial technical effects:

[0020] 1. In this utility model, the rebound force of multiple springs pushes the square sealing ring tightly against the bottom surface of the conical counterweight, thereby making the square sealing ring and the bottom surface of the conical counterweight fit tightly together, forming a barrier around the water inlet hole, which avoids the mixing of deep water with water at medium and shallow levels in the water inlet hole, thus preventing deviation of the sampling data.

[0021] 2. In this utility model, after the sampler finishes sampling, it is reset to the input end by the output end of the waterproof multi-stage electric push rod, the baffle plate covers the water inlet hole, and the sampler can be quickly opened and closed by the automatic opening and closing mechanism to achieve high precision and accurate control.

[0022] 3. In this utility model, the conical filter screen is screwed into the external thread ring, which prevents sand and weeds in deep water from entering the water inlet. Weeds may release organic matter, which may change the chemical composition of the water sample. Sand and gravel may adsorb pollutants such as heavy metals, which may affect the test results. At the same time, sand and gravel entering the water inlet will also lead to insufficient water intake. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure in an embodiment of this application;

[0024] Figure 2 This is a schematic diagram of the sampler's disassembled structure in an embodiment of this application;

[0025] Figure 3 This is a cross-sectional view of the sampling barrel and the conical counterweight in an embodiment of this application;

[0026] Figure 4 This is a schematic diagram of the disassembled structure of the bottom of the conical counterweight and the automatic opening and closing mechanism in an embodiment of this application;

[0027] Figure 5 This is a schematic diagram of the bottom of the conical counterweight and the automatic opening and closing mechanism in an embodiment of this application;

[0028] Figure 6 This is a schematic diagram of the disassembled structure of the anti-leakage mechanism in the embodiments of this application.

[0029] Reference numerals: 1. Sampler; 100. Sampling barrel; 101. Conical counterweight; 1010. Water inlet; 1011. External threaded ring; 1012. Slide groove; 102. Sealing cap; 2. Support lug; 3. Wire rope buckle; 4. Counterweight cylinder; 5. Thin wire rope; 6. Conical filter screen; 7. Sliding strip; 8. Baffle plate; 80. Square slot; 9. Spring; 10. Square sealing ring; 11. Fixing plate; 12. Waterproof multi-stage electric push rod; 13. Connecting block; 14. Water level sensor; 15. Connecting cylinder; 16. Underwater camera; 17. Underwater camera A. Detailed Implementation

[0030] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0031] This application discloses a deep-water sampling and detection device for river channels.

[0032] like Figure 1-6 As shown, a deep-water sampling and testing device for rivers includes a conical counterweight 101. The conical counterweight 101 is provided with an anti-foreign object blocking mechanism. The anti-foreign object blocking mechanism includes an external threaded ring 1011 and a conical filter screen 6. The inner ring of the conical filter screen 6 is provided with an internal thread, and the internal thread of the conical filter screen 6 is rotatably connected to the external thread of the external threaded ring 1011.

[0033] An automatic opening and closing mechanism is provided on the external thread ring 1011. The automatic opening and closing mechanism includes a waterproof multi-stage electric push rod 12, a connecting block 13 and a baffle plate 8. The tail end face of the output end of the waterproof multi-stage electric push rod 12 is fixedly connected to the connecting block 13, and the top surface of the connecting block 13 is fixedly connected to the bottom surface of the baffle plate 8.

[0034] The baffle plate 8 is equipped with a leak-proof mechanism, which includes a spring 9 and a square sealing ring 10. Multiple springs 9 are installed on the bottom surface of the square sealing ring 10.

[0035] Please see Figure 2 and Figure 3 It also includes a sampler 1, which consists of a sampling barrel 100, a conical counterweight 101, and a sealing cap 102. Two-thirds of the sampling barrel 100 has a hollow structure, while one-third of the sampling barrel 100 has a solid structure. The sampling barrel 100 is threadedly connected to the sealing cap 102. A sealing ring is provided at the connection between the sealing cap 102 and the sampling barrel 100 to prevent the sampler 1 from mixing with other water due to poor sealing during the process of lifting the sampler 1 from the deep water area.

[0036] Please see Figure 3 The conical counterweight 101 has a vertically penetrating water inlet hole 1010, and the bottom surface of the conical counterweight 101 is fixedly connected to the top surface of the external thread ring 1011; the water inlet hole 1010 is provided to allow water to enter the cavity of the sampling barrel 100.

[0037] Please see Figure 4 The bottom of the conical counterweight 101 is provided with two sliding grooves 1012, and sliding strips 7 are slidably connected in the two sliding grooves 1012. A baffle plate 8 is fixedly connected between the two sliding strips 7. The sliding grooves 1012 limit the sliding strips 7 to slide in one direction, so that the baffle plate 8 slides synchronously in one direction.

[0038] Please see Figure 6The baffle plate 8 has a square slot 80, and the bottom ends of multiple springs 9 are fixedly connected in the square slot 80. A square sealing ring 10 is interference-fitted in the square slot 80. When it is within the range of the water inlet hole 1010, the rebound force of the multiple springs 9 pushes the square sealing ring 10 tightly against the bottom surface of the conical counterweight block 101, thereby forming a barrier in the water inlet hole 1010, that is, preventing the deep water in the water inlet hole 1010 from mixing with the water at medium and shallow levels.

[0039] Please see Figure 4 A fixed plate 11 is vertically fixed to the bottom surface of the conical counterweight 101. A water level sensor 14 is fixedly installed on one side of the connecting block 13. A connecting cylinder 15 is fixedly connected to the bottom surface of the conical counterweight 101. An underwater camera 16 is installed at one end of the connecting cylinder 15. The underwater camera 16 is located below the water inlet 1010. The underwater camera 16 is mainly used to capture the opening and closing of the shield 8. The water level sensor 14 is used to sense the water level at the sampler 1.

[0040] Please see Figure 2 The bottom of the sealing cover 102 is equipped with an underwater camera A17. The water level sensor 14, the underwater camera 16 and the underwater camera A17 are all connected to an internal power supply. The operation and data transmission of the water level sensor 14, the underwater camera A17 and the underwater camera 16 are controlled by a remote control module. This is existing technology and will not be described in detail.

[0041] Please see Figure 2 The top surface of the sealing cover 102 is fixedly connected to a support lug 2, and a wire rope buckle 3 is bolted to the support lug 2. The wire rope buckle 3 is fixedly connected to the counterweight cylinder 4. A thin wire rope 5 is fixedly connected to the top of the counterweight cylinder 4. The length of the thin wire rope 5 is several meters. When the user sits on the boat and the boat reaches the middle of the river, the thin wire rope 5 is slowly lowered. The cone-shaped counterweight block 101 that first comes into contact with the water will cause the device to sink rapidly vertically due to gravity.

[0042] The implementation principle of the deep-water sampling and detection device for rivers in this application embodiment is as follows:

[0043] The conical filter 6 can be screwed in and out of the external threaded ring 1011. When the conical filter 6 is screwed into the external threaded ring 1011, it prevents sand and weeds in the deep water area from entering the water inlet 1010. Weeds may release organic matter, which may change the chemical composition of the water sample. Sand and gravel may adsorb pollutants such as heavy metals, which may affect the test results. At the same time, sand and gravel entering the water inlet 1010 may also lead to insufficient water intake.

[0044] When sampler 1 enters the deep water area, the operator remotely controls the waterproof multi-stage electric push rod 12 to work. The output end of the waterproof multi-stage electric push rod 12 drives the baffle plate 8 to move linearly. The sliding bar 7 slides in the slide groove 1012, so that the baffle plate 8 runs linearly. At the same time, water enters the sampling barrel 100 through the water inlet hole 1010. After the sampler 1 finishes sampling, it is reset to the input end through the output end of the waterproof multi-stage electric push rod 12. The baffle plate 8 covers the water inlet hole 1010. Through the automatic opening and closing mechanism, the sampler 1 can be opened and closed quickly, thereby achieving high precision and accurate control.

[0045] When within the range of the water inlet 1010, the rebound force of multiple springs 9 pushes the square sealing ring 10 tightly against the bottom surface of the conical counterweight 101, thereby forming a barrier in the water inlet 1010, that is, preventing the deep water in the water inlet 1010 from mixing with the water at medium and shallow levels.

[0046] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A deep-water sampling and detection device for river channels, characterized in that: It includes a conical counterweight (101), on which a foreign object blocking mechanism is provided. The foreign object blocking mechanism includes an external threaded ring (1011) and a conical filter screen (6). The inner ring of the conical filter screen (6) is provided with an internal thread, and the internal thread of the conical filter screen (6) is rotatably connected to the external thread of the external threaded ring (1011). An automatic opening and closing mechanism is provided on the external thread ring (1011). The automatic opening and closing mechanism includes a waterproof multi-stage electric push rod (12), a connecting block (13) and a baffle plate (8). The tail end face of the output end of the waterproof multi-stage electric push rod (12) is fixedly connected to the connecting block (13). The top surface of the connecting block (13) is fixedly connected to the bottom surface of the baffle plate (8). The shield (8) is provided with a leak-proof mechanism, which includes a spring (9) and a square sealing ring (10). Multiple springs (9) are installed on the bottom surface of the square sealing ring (10).

2. The deep-water sampling and detection device for rivers according to claim 1, characterized in that: It also includes a sampler (1), which consists of a sampling barrel (100), a conical counterweight (101), and a sealing cap (102). Two-thirds of the sampling barrel (100) has a hollow structure, and one-third of the sampling barrel (100) has a solid structure. The sampling barrel (100) is threadedly connected to the sealing cap (102).

3. The deep-water sampling and detection device for rivers according to claim 2, characterized in that: The conical counterweight (101) has a vertically penetrating water inlet hole (1010), and the bottom surface of the conical counterweight (101) is fixedly connected to the top surface of the external threaded ring (1011).

4. The deep-water sampling and detection device for river channels according to claim 3, characterized in that: The bottom of the conical counterweight (101) is provided with two sliding grooves (1012), and sliding strips (7) are slidably connected in the two sliding grooves (1012). A baffle plate (8) is fixedly connected between the two sliding strips (7).

5. The deep-water sampling and detection device for river channels according to claim 4, characterized in that: The baffle plate (8) has a square slot (80) with the bottom end of a plurality of springs (9) fixedly connected in the square slot (80) and a square sealing ring (10) is interference-fitted in the square slot (80).

6. The deep-water sampling and detection device for river channels according to claim 5, characterized in that: A fixing plate (11) is vertically fixed to the bottom surface of the conical counterweight (101). A water level sensor (14) is fixedly installed on one side of the connecting block (13). A connecting cylinder (15) is fixedly connected to the bottom surface of the conical counterweight (101). An underwater camera (16) is installed at one end of the connecting cylinder (15). The underwater camera (16) is located below the water inlet (1010).

7. The deep-water sampling and detection device for river channels according to claim 6, characterized in that: The bottom of the sealing cover (102) is equipped with an underwater camera A (17), and the water level sensor (14), the underwater camera (16) and the underwater camera A (17) are all connected to an internal power supply.

8. The deep-water sampling and detection device for river channels according to claim 7, characterized in that: The top surface of the sealing cover (102) is fixedly connected to a support lug (2), and a wire rope buckle (3) is bolted to the support lug (2). The wire rope buckle (3) is fixedly connected to the counterweight cylinder (4). A thin wire rope (5) is fixedly connected to the top of the counterweight cylinder (4). The length of the thin wire rope (5) is several meters.

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