River water sampling equipment for hydraulic engineering

Abstract

The utility model belongs to the technical field of hydraulic engineering, and particularly relates to river water sampling equipment for hydraulic engineering. Comprising a floating platform, a winch is fixedly installed on the upper surface of the floating platform, the free end of a fixing rope on the winch downwards penetrates through a through hole of the floating platform and is fixedly connected with a sampling mechanism, and four advancing mechanisms used for pushing the floating platform to move are evenly arranged on the periphery of the floating platform. The traveling mechanism is arranged on the floating platform and can push the floating platform to move accurately, so that the sampling equipment can move to any area for sampling, and the accuracy of a detection result is further ensured; a plurality of sampling cavities are formed in the sampling column and can be used for collecting and storing a plurality of samples, so that the sampling equipment can continuously sample for multiple times, and the sampling efficiency is remarkably improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of water conservancy projects, and in particular relates to river water sampling equipment used in water conservancy projects. Background Art

[0002] In water conservancy projects, in order to strengthen the monitoring of water environment quality, the water quality in the river is often tested, and sampling equipment is usually used when testing the water quality.

[0003] Although the Chinese utility model patent with publication number CN220583872U discloses a river water sampling device for water conservancy projects, which can sample river water at different depths to ensure the accuracy of the test results, it still has the following defects: First, the sampling device cannot actively move in the river water, which is not convenient for collecting water samples from different areas; second, each sampling operation can only obtain one sample, and multiple continuous sampling cannot be achieved, so the efficiency is low. Therefore, it is urgent to design a river water sampling device for water conservancy projects that can actively move in the river water and can achieve multiple continuous sampling. Utility Model Content

[0004] In view of the problems existing in the above-mentioned prior art, the utility model discloses a river water sampling device for water conservancy projects, and specifically discloses the following technical solutions:

[0005] A river water sampling device for water conservancy projects comprises a floating platform, a winch is fixedly installed on the upper surface of the floating platform, the free end of the fixed rope on the winch passes downward through the through hole of the floating platform and is fixedly connected to a sampling mechanism, and four traveling mechanisms for pushing the floating platform to move are evenly arranged on the periphery of the floating platform.

[0006] Furthermore, the travel mechanism includes an installation box fixedly connected to the bottom of the floating platform, and a first bevel gear and a second bevel gear that are vertically meshed with each other are arranged in the installation box. A transmission shaft is fixedly connected to the first bevel gear, and the top end of the transmission shaft upward penetrates the floating platform and is connected to a driving motor. A rotating shaft is fixedly connected to the second bevel gear, and the end of the rotating shaft away from the second bevel gear penetrates the side wall of the installation box outward and is fixedly connected to a plurality of propeller blades.

[0007] Furthermore, the sampling mechanism includes a sampling column, the top center of the sampling column is connected to the fixing rope, a plurality of sampling cavities are evenly arranged along the circumferential direction inside the sampling column, the bottom of the sampling cavity is connected to a water inlet pipe, a first one-way solenoid valve is arranged on the water inlet pipe, a top cover is detachably installed on the top of the sampling cavity, an air outlet is penetrated through the top cover, an air outlet pipe is connected to the air outlet, a second one-way solenoid valve is arranged on the air outlet pipe, the water flow direction in the first one-way solenoid valve is from one side outside the sampling cavity to one side inside the sampling cavity, and the water flow direction in the second one-way solenoid valve is from one side inside the sampling cavity to one side outside the sampling cavity, and a battery for powering the first one-way solenoid valve and the second one-way solenoid valve is installed at the center of the sampling column.

[0008] Furthermore, a liquid level sensor is provided at the top of the sampling cavity for monitoring the sampling volume in the sampling cavity.

[0009] Furthermore, it also includes a remote controller, and the winch, the drive motor, the first one-way solenoid valve, the second one-way solenoid valve and the liquid level sensor are respectively connected to the remote controller signal through a Bluetooth module.

[0010] Furthermore, the top cover is provided with an external thread, the top of the sampling cavity is provided with an internal thread, and the top cover is threadedly connected to the top of the sampling cavity.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The floating platform of the utility model is provided with a traveling mechanism, which can push the floating platform to move accurately, so that the sampling device can be moved to any area for sampling, thereby ensuring the accuracy of the test results;

[0013] A plurality of sampling cavities are arranged in the sampling column, which can be used to collect and store multiple samples, so that the sampling device can continuously sample multiple times, thereby significantly improving the sampling efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the utility model.

[0015] Figure 2 It is a top view of the utility model.

[0016] Figure 3 This is a cross-sectional view of the floating platform.

[0017] Figure 4 A cross-sectional view of the sampling mechanism.

[0018] Figure 5 A top view of the sampling mechanism.

[0019] Figure 6 This is a bottom view of the sampling mechanism.

[0020] 1-floating platform, 2-winding machine, 3-fixing rope, 4-sampling mechanism, 41-sampling column, 42-sampling chamber, 43-first one-way solenoid valve, 44-second one-way solenoid valve, 45-top cover, 46-battery, 47-counterweight, 48-liquid level sensor, 5-installation box, 6-first bevel gear, 7-second bevel gear, 8-transmission shaft, 9-driving motor, 10-rotating shaft, 11-propeller blade. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] Reference Figure 1-6 A river water sampling device for water conservancy projects includes a floating platform 1, a winch 2 is fixedly installed on the upper surface of the floating platform 1, the free end of the fixed rope 3 on the winch 2 passes downward through the through hole of the floating platform 1 and is fixedly connected to a sampling mechanism 4, the sampling mechanism 4 is used to sample river water, and four traveling mechanisms for pushing the floating platform 1 to move are evenly arranged on the periphery of the floating platform 1.

[0023] In this embodiment, the travel mechanism includes an installation box 5 fixedly connected to the bottom of the floating platform 1, and a first bevel gear 6 and a second bevel gear 7 that are vertically meshed with each other are arranged in the installation box 5. A transmission shaft 8 is fixedly connected to the first bevel gear 6, and the top end of the transmission shaft 8 upwardly penetrates the floating platform 1 and is connected to a drive motor 9. A rotating shaft 10 is fixedly connected to the second bevel gear 7. The end of the rotating shaft 10 away from the second bevel gear 7 penetrates the side wall of the installation box 5 outward and is fixedly connected to a plurality of propeller blades 11. Bearings are installed between the transmission shaft 8 and the floating platform 1 and between the rotating shaft 10 and the side wall of the installation box 5.

[0024] In this embodiment, the sampling mechanism 4 includes a sampling column 41, the top center of the sampling column 41 is connected to the fixing rope 3, a plurality of sampling cavities 42 are evenly arranged in the circumferential direction inside the sampling column 41, the bottom of the sampling cavity 42 is connected to a water inlet pipe, a first one-way solenoid valve 43 is arranged on the water inlet pipe, a top cover 45 is detachably installed on the top of the sampling cavity 42, an air outlet is penetrated through the top cover 45, an air outlet pipe is connected to the air outlet, a second one-way solenoid valve 44 is arranged on the air outlet pipe, the water flow direction in the first one-way solenoid valve 43 is from the outside side of the sampling cavity 42 to the inside side of the sampling cavity 42, the water flow direction in the second one-way solenoid valve 44 is from the inside side of the sampling cavity 42 to the outside side of the sampling cavity 42, and a battery 46 for powering the first one-way solenoid valve 43 and the second one-way solenoid valve 44 is installed at the center of the sampling column 41. When the sampling column 41 dives to the specified depth, the first one-way solenoid valve 43 and the second one-way solenoid valve 44 of the corresponding sampling chamber 42 are opened. At this time, the river water enters the sampling chamber 42 through the first one-way solenoid valve 43, and the air in the sampling chamber 42 is discharged to the outside of the sampling chamber 42 through the second one-way solenoid valve 44, thereby realizing the sampling of river water.

[0025] In this embodiment, a metal weight block 47 is further provided at the bottom center of the sampling column 41 , which can effectively increase the weight of the sampling mechanism 4 and reduce the buoyancy effect on the sampling mechanism 4 .

[0026] In this embodiment, a liquid level sensor 48 is disposed at the top of the sampling cavity 42 for monitoring the sampling volume in the sampling cavity 42 .

[0027] Furthermore, it also includes a remote controller, and the winch 2, the drive motor 9, the first one-way solenoid valve 43, the second one-way solenoid valve 44 and the liquid level sensor 48 are respectively connected to the remote controller signal through a Bluetooth module. The winch 2, the drive motor 9, the first one-way solenoid valve 43 and the second one-way solenoid valve 44 can be controlled by the remote controller. The remote controller is provided with a signal light connected to the signal of the liquid level sensor 48. When the amount of water sample in the sampling chamber 42 exceeds the liquid level sensor 48, the signal light lights up, indicating that the sampling has been completed.

[0028] In this embodiment, the top cover 45 is provided with an external thread, the top of the sampling cavity 42 is provided with an internal thread, and the top cover 45 is threadedly connected to the top of the sampling cavity 42. The top cover 45 is threadedly connected to the sampling cavity 42, so that the installation and removal of the top cover 45 are convenient, and the sample is poured out of the sampling cavity 42.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any slight modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention still fall within the scope of the technical solution of the present invention.

Claims

1. A river water sampling device for water conservancy projects, characterized in that: It comprises a floating platform, a winch is fixedly installed on the upper surface of the floating platform, the free end of the fixed rope on the winch passes downward through the through hole of the floating platform and is fixedly connected to a sampling mechanism, and four traveling mechanisms for pushing the floating platform to move are evenly arranged on the periphery of the floating platform.

2. A river water sampling device for water conservancy projects according to claim 1, characterized in that: The travel mechanism includes an installation box fixedly connected to the bottom of the floating platform, and a first bevel gear and a second bevel gear that are vertically meshed with each other are arranged in the installation box. A transmission shaft is fixedly connected to the first bevel gear, and the top end of the transmission shaft upwardly penetrates the floating platform and is connected to a driving motor. A rotating shaft is fixedly connected to the second bevel gear, and an end of the rotating shaft away from the second bevel gear outwardly penetrates the side wall of the installation box and is fixedly connected to a plurality of propeller blades.

3. A river water sampling device for water conservancy projects according to claim 2, characterized in that: The sampling mechanism includes a sampling column, the top center of the sampling column is connected to the fixing rope, a plurality of sampling cavities are evenly arranged along the circumferential direction inside the sampling column, the bottom of the sampling cavity is connected to a water inlet pipe, a first one-way solenoid valve is arranged on the water inlet pipe, a top cover is detachably installed on the top of the sampling cavity, an air outlet is penetrated through the top cover, an air outlet pipe is connected to the air outlet, a second one-way solenoid valve is arranged on the air outlet pipe, the water flow direction in the first one-way solenoid valve is from the side outside the sampling cavity to the side inside the sampling cavity, the water flow direction in the second one-way solenoid valve is from the side inside the sampling cavity to the side outside the sampling cavity, and a battery for powering the first one-way solenoid valve and the second one-way solenoid valve is installed at the center of the sampling column.

4. A river water sampling device for water conservancy projects according to claim 3, characterized in that: A liquid level sensor is arranged on the top of the sampling cavity to monitor the sampling volume in the sampling cavity.

5. A river water sampling device for water conservancy projects according to claim 4, characterized in that: It also includes a remote controller, and the winch, the drive motor, the first one-way solenoid valve, the second one-way solenoid valve and the liquid level sensor are respectively connected to the remote controller signal through a Bluetooth module.

6. A river water sampling device for water conservancy projects according to claim 3, characterized in that: The top cover is provided with an external thread, the top of the sampling cavity is provided with an internal thread, and the top cover is threadedly connected to the top of the sampling cavity.

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