A groundwater pollution monitoring device

Abstract

The present invention discloses a groundwater pollution monitoring device, which is characterized by comprising: a hoist, hermetically installed at the wellhead; an auxiliary support assembly, connected to the output end of the hoist through a rope, and the auxiliary support assembly is located at the bottom of the well; a multi-stage adjustable telescopic rod, arranged on the side of the auxiliary support assembly away from the hoist; and a monitoring assembly, arranged at the output end of the multi-stage adjustable telescopic rod.

Description

Technical Field

[0001] The present invention relates to the technical field of groundwater pollution, and in particular to a groundwater pollution monitoring device. Background Art

[0002] With the development of agricultural modernization, the extensive use of chemical fertilizers and pesticides has become the main factor causing soil environmental pollution. It is found that the amount of water-soluble pesticides accounts for more than 50% of the total amount of pesticides. After being applied to paddy fields, they are mostly dissolved in paddy water and are likely to pollute the water environment through surface runoff and soil leakage.

[0003] Therefore, it is necessary to provide a groundwater pollution monitoring device to solve the problems raised in the above background art. Summary of the Invention

[0004] To achieve the above object, the present invention provides the following technical solution: A groundwater pollution monitoring device, comprising:

[0005] A crane, hermetically installed at the wellhead;

[0006] An auxiliary support assembly, connected to the output end of the crane through a rope, and the auxiliary support assembly is located at the bottom of the well;

[0007] A multi-stage adjustable telescopic rod, arranged on the side of the auxiliary support assembly away from the crane; and

[0008] A monitoring assembly, arranged at the output end of the multi-stage adjustable telescopic rod.

[0009] Further, preferably, the auxiliary support assembly includes:

[0010] A support;

[0011] Guide arms, a plurality of which are circumferentially distributed, one end of which is hinged to the support, and the other end is rotatably provided with a roller; and

[0012] A limit telescopic rod, one end of which is hinged to the support, and the other end is hinged to the guide arm.

[0013] Further, preferably, the monitoring assembly includes:

[0014] An installation inner cylinder, fixed at the output end of the multi-stage adjustable telescopic rod;

[0015] A steering shaft, rotatably arranged in the installation inner cylinder;

[0016] A positioning float, fixed on the outer wall of the steering shaft, and the positioning float is used to drive the steering shaft to turn;

[0017] The monitoring box is fixed to one end of the steering shaft away from the placement inner cylinder by a protective cover; and a sampling component is arranged on the protective cover.

[0018] Further, preferably, the sampling component includes:

[0019] A guide sleeve is fixed to one end of the protective cover away from the steering shaft;

[0020] A slider is slidably arranged on the guide sleeve, a water level gauge is arranged at the bottom end of the slider, and the water level gauge controls the multi-stage adjustable telescopic rod to expand continuously;

[0021] A fine-tuning telescopic rod has one end arranged on the protective cover and the other end arranged on the slider;

[0022] A swing arm has one end hinged to the guide sleeve, and the swing arm is arranged at 180° with the positioning float, and the extension part of the swing arm is hinged to the slider through a connecting rod;

[0023] A sampling cylinder is fixed to the other end of the swing arm; and

[0024] A primary filter element is arranged at the input end of the sampling cylinder.

[0025] Further, preferably, the primary filter element includes:

[0026] A sealing cover is fixed to the input end of the sampling cylinder; and

[0027] A filter screen is hermetically arranged at one end of the sealing cover away from the sampling cylinder through an energy dissipation spring.

[0028] Further, preferably, the sampling component further includes a secondary filter, and the secondary filter is arranged on the swing arm and is communicated with the sampling cylinder and the monitoring box respectively through a connecting pipe.

[0029] Compared with the prior art, the beneficial effects of the present invention are:

[0030] In the present invention, when the water flow drives the positioning float to rotate to the side facing the water flow direction, the input end of the sampling cylinder faces the opposite direction of the water flow direction, so that the water flow power can be used as a power source for sampling.

[0031] In the present invention, the fine-tuning telescopic rod undergoes a small amount of telescoping. Through the synchronous telescoping of the slider, the sampling cylinder can be driven to move within a certain depth range, facilitating multiple monitoring of the pollution conditions at different depths of groundwater, making the monitoring results more accurate. At the same time, the swing arm is indirectly driven by the fine-tuning telescopic rod and can swing alternately in an arc, causing the filter screen to be inclined with respect to the water flow direction. Thus, the impurities on the filter screen can be removed by means of hydrodynamic force, increasing the water inflow into the sampling cylinder and improving the monitoring efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 is an overall schematic diagram of a groundwater pollution monitoring device;

[0033] Figure 2 is a schematic diagram of the monitoring component of a groundwater pollution monitoring device;

[0034] Figure 3 is an enlarged view of the primary filter element of a groundwater pollution monitoring device;

[0035] In the figure: 1, crane; 2, auxiliary support component; 3, multi-stage adjustable telescopic rod; 4, monitoring component; 11, rope; 21, support; 22, guiding arm; 23, roller; 24, limit telescopic rod; 41, placement inner cylinder; 42, steering shaft; 43, positioning float; 44, monitoring box; 45, protective cover; 46, guiding sleeve; 47, slider; 471, water level gauge; 48, fine-tuning telescopic rod; 49, swing arm; 491, connecting rod; 492, connecting pipe; 50, sampling cylinder; 51, primary filter element; 52, secondary filter; 511, sealing cover; 512, filter screen; 513, energy dissipation spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0036] Please refer to Figures 1-3 , in this embodiment, a groundwater pollution monitoring device includes:

[0037] A crane 1, which is hermetically installed at the wellhead to prevent ground debris from falling into the well and affecting the water quality;

[0038] An auxiliary support component 2, which is connected to the output end of the crane 1 through a rope 11, and the auxiliary support component 2 is located at the bottom of the well;

[0039] A multi-stage adjustable telescopic rod 3, which is arranged on the side of the auxiliary support component 2 away from the crane 1; and

[0040] A monitoring component 4, which is arranged at the output end of the multi-stage adjustable telescopic rod 3;

[0041] As a preferred embodiment, the auxiliary support component 2 includes:

[0042] A support 21;

[0043] The guiding arms 22 are multiple and circumferentially distributed. One end of each guiding arm is hinged to the support 21, and a roller 23 is rotatably arranged at the other end; and

[0044] The limiting telescopic rod 24 has one end hinged to the support 21 and the other end hinged to the guiding arm 22.

[0045] That is to say, through the adjustment of the limiting telescopic rod 24, it is convenient for the roller 23 to roll along the well wall, enabling the monitoring assembly 4 to vertically take off and land, and avoiding collision between the monitoring assembly 4 and the well wall during the take-off and landing process. Through further adjustment of the limiting telescopic rod 24, the roller 23 can be fixed on the well wall, thereby determining the starting monitoring position.

[0046] As a preferred embodiment, the monitoring assembly 4 includes:

[0047] The placement inner cylinder 41 is fixed at the output end of the multi-stage adjustable telescopic rod 3;

[0048] The steering shaft 42 is rotatably arranged inside the placement inner cylinder 41;

[0049] The positioning float 43 is fixed on the outer wall of the steering shaft 42, and the positioning float 43 is used to drive the steering shaft 42 to turn;

[0050] The monitoring box 44 is fixed at one end of the steering shaft 42 far from the placement inner cylinder 41 by a protective cover 45; and

[0051] The sampling component is arranged on the protective cover 45.

[0052] It should be explained that the positioning float 43 is rotated by the action of water flow power, and at the same time, the steering shaft 42 and the sampling component are driven to rotate synchronously.

[0053] As a preferred embodiment, the sampling component includes:

[0054] The guiding sleeve 46 is fixed at one end of the protective cover 45 far from the steering shaft 42;

[0055] The slider 47 is slidably arranged on the guiding sleeve 46. A water level gauge 471 is arranged at the bottom end of the slider 47, and the water level gauge 471 controls the multi-stage adjustable telescopic rod 3 to continuously expand;

[0056] The fine-tuning telescopic rod 48 has one end arranged on the protective cover 45 and the other end arranged on the slider 47;

[0057] The swing arm 49 has one end hinged to the guiding sleeve 46, and the swing arm 49 is arranged at 180° with the positioning float 43. The extension part of the swing arm 49 is hinged to the slider 47 through a connecting rod 491;

[0058] A sampling cylinder 50, fixed to the other end of the swing arm 49; and

[0059] A primary filter member 51, disposed at the input end of the sampling cylinder 50.

[0060] It should be noted that when the water flow power drives the positioning float 43 to rotate to the side facing the water flow direction, the input end of the sampling cylinder 50 faces the opposite direction of the water flow direction, so that the water flow power can be used as a power source for sampling.

[0061] In addition, when the multi-stage adjustable telescopic rod 3 drives the monitoring component 4 to continuously dive, the fine-tuning telescopic rod 48 will perform a small amount of telescoping, and through the synchronous telescoping of the slider 47, the sampling cylinder 50 can be driven to move within a certain depth range, so as to facilitate multiple monitoring of the pollution conditions at different depths of the groundwater and make the monitoring results more accurate.

[0062] As a preferred embodiment, the primary filter member 51 includes:

[0063] A sealing cover 511, fixed to the input end of the sampling cylinder 50; and

[0064] A filter screen 512, hermetically disposed at one end of the sealing cover 511 away from the sampling cylinder 50 through an energy dissipation spring 513.

[0065] It should be noted that when sampling, it is inevitable that some impurities will enter. To prevent them from affecting the monitoring results, it is usually necessary to intercept the impurities. Therefore, the filter screen 512 in the primary filter member 51 will intercept the impurities with a large impact force. At the same time, under the action of the energy dissipation spring 513, the impurities with a large impact force will be decelerated to avoid damaging the sampling cylinder 50.

[0066] In addition, the swing arm 49 is indirectly driven by the fine-tuning telescopic rod 48 and can swing alternately in an arc, so that the filter screen 512 is inclined to the water flow direction, thereby being able to remove the impurities on the filter screen 512 by means of the water power, increasing the water inflow into the sampling cylinder 50, and thus improving the monitoring efficiency.

[0067] As a preferred embodiment, the sampling component further includes a secondary filter 52, and the secondary filter 52 is disposed on the swing arm 49 and is respectively communicated with the sampling cylinder 50 and the monitoring box 44 through a connecting pipe 492.

[0068] That is to say, the secondary filter 52 filters the smaller impurities that are not filtered by the primary filter member 51, so that the purity of the sample entering the monitoring box 44 is improved and the monitoring result is more accurate.

[0069] Specifically, during implementation, first use the crane 1 to lower the auxiliary support assembly 2 and the monitoring assembly 4 to the bottom of the well, and determine the starting monitoring position through the limit telescopic rod 24. Before monitoring, rotate and position through the positioning buoy 43 to facilitate using the water flow power as the power source for sampling. During monitoring, the multi-stage adjustable telescopic rod 3 drives the monitoring assembly 4 to continuously dive and conduct real-time monitoring. During this process, the fine-tuning telescopic rod 48 will perform a small amount of telescoping, and synchronously telescope through the slider 47, driving the sampling cylinder 50 to be able to move within a certain depth range, so as to facilitate multiple monitoring of the pollution conditions at different depths of groundwater, making the monitoring results more accurate. At the same time, the swing arm 49 is indirectly driven by the fine-tuning telescopic rod 48 and can swing alternately in an arc, so that the filter screen 512 is inclined with respect to the water flow direction, so as to remove impurities on the filter screen 512 by means of water power, increase the water inflow in the sampling cylinder 50, and thus improve the monitoring efficiency; during the monitoring process, the water flow is used as the power source for the processes of sampling, filtering, and dewatering after monitoring.

[0070] The above-mentioned are only the preferred specific implementation manners of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present invention.

Claims

1. A groundwater pollution monitoring device, characterized in that, Comprising: A hoist (1), hermetically installed at the wellhead; An auxiliary support assembly (2), connected to the output end of the hoist (1) by a rope (11), and the auxiliary support assembly (2) is located at the bottom of the well; A multi-stage adjustable telescopic rod (3), arranged on the side of the auxiliary support assembly (2) away from the hoist (1); A monitoring assembly (4), arranged at the output end of the multi-stage adjustable telescopic rod (3); The monitoring assembly (4) includes: A placement inner cylinder (41), fixed at the output end of the multi-stage adjustable telescopic rod (3); A steering shaft (42), rotatably arranged inside the placement inner cylinder (41); A positioning float (43), fixed on the outer wall of the steering shaft (42), and the positioning float (43) is used to drive the steering shaft (42) to turn; A monitoring box (44), fixed to one end of the steering shaft (42) away from the placement inner cylinder (41) by a protective cover (45); A sampling component, arranged on the protective cover (45); The sampling component includes: A guide sleeve (46), fixed to one end of the protective cover (45) away from the steering shaft (42); A slider (47), slidably arranged on the guide sleeve (46), and a water level gauge (471) is arranged at the bottom end of the slider (47), and the water level gauge (471) controls the multi-stage adjustable telescopic rod (3) to expand continuously; A fine-tuning telescopic rod (48), with one end arranged on the protective cover (45) and the other end arranged on the slider (47); A swing arm (49), with one end hinged to the guide sleeve (46), and the swing arm (49) is arranged at 180° with the positioning float (43), and the extension part of the swing arm (49) is hinged to the slider (47) through a connecting rod (491); A sampling cylinder (50), fixed to the other end of the swing arm (49); A primary filter element (51), arranged at the input end of the sampling cylinder (50).

2. The groundwater pollution monitoring device according to claim 1, wherein The auxiliary support assembly (2) includes: A support (21); Guide arms (22), a plurality of which are circumferentially distributed, with one end hinged to the support (21) and the other end rotatably provided with rollers (23); A limit telescopic rod (24), with one end hinged to the support (21) and the other end hinged to the guide arm (22).

3. The groundwater pollution monitoring device according to claim 1, characterized in that, The primary filter element (51) includes: A sealing cover (511), fixed to the input end of the sampling cylinder (50); A filter screen (512), hermetically arranged at one end of the sealing cover (511) away from the sampling cylinder (50) through an energy dissipation spring (513).

4. The groundwater pollution monitoring device according to claim 1, characterized in that, The sampling component further includes a secondary filter (52), and the secondary filter (52) is arranged on the swing arm (49) and is communicated with the sampling cylinder (50) and the monitoring box (44) respectively through a connecting pipe (492).

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