A sampling device for groundwater quality testing with adjustable depth

Abstract

This utility model discloses a depth-adjustable groundwater sampling device for groundwater quality testing, belonging to the field of groundwater testing technology. It includes a U-shaped frame with a sleeve assembly on the inner side. A motor assembly is installed at the upper part of the U-shaped frame, above the sleeve assembly. This utility model incorporates a movable thawing device, allowing workers to move the device as needed using wheels, thus reducing the difficulty of moving the device and lessening the workload. Furthermore, when ground conditions permit, workers can fix the device in place using an electric lifting rod and a cone-shaped structure, reducing the possibility of the device deviating from its original position due to external collisions. Additionally, workers can use a fan and an electric heating rod to thaw the surface layer of frozen groundwater in winter, thereby improving the device's working capacity.

Description

Technical Field

[0001] This utility model belongs to the field of groundwater detection technology, specifically relating to a sampling device for groundwater quality detection with adjustable depth. Background Technology

[0002] Groundwater refers to gravity water in various forms buried below the Earth's surface. As an important component of water resources, groundwater is a vital source of water for urban and rural domestic use and industrial and agricultural production. Compared with surface water resources, groundwater resources are characterized by their wide distribution, relatively uniform distribution, excellent water quality, and high degree of water supply reliability. They can compensate for regional water shortages caused by the uneven spatial and temporal distribution of surface water resources, playing a crucial role in ensuring the lives of urban and rural residents, supporting economic and social development, and maintaining ecological balance.

[0003] Existing depth-adjustable groundwater sampling devices are inconvenient to move to designated locations, are prone to deviating from their original positions due to external collisions, and cannot treat the surface layer of groundwater that freezes in winter, thus reducing the device's working capacity. Furthermore, it is inconvenient to clean the surface of the sleeve and other structures after sampling contaminated groundwater, thus reducing the device's practicality. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a sampling device for groundwater quality testing with adjustable depth, characterized by high working capacity and strong practicality.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a sampling device for groundwater quality testing with adjustable depth, comprising a U-shaped frame, a sleeve assembly provided on the inner side of the U-shaped frame, a motor assembly installed on the upper part of the U-shaped frame and above the sleeve assembly, the motor assembly and the sleeve assembly being connected by a rope, a movable defrosting device provided on the outer side of the U-shaped frame, and an auxiliary cleaning device installed on the lower part of the U-shaped frame;

[0006] The mobile defrosting device includes a base, with the base mounted on the bottom of the U-shaped frame by screws. Multiple casters are fixedly connected to the bottom of the base, and defrosting components are fixedly connected to one side of the base.

[0007] Preferably, a lifting plate is provided on one side of the plurality of movable wheels, the base and the lifting plate are connected by an electric lifting rod, and a plurality of cones are fixedly connected to the bottom of the lifting plate.

[0008] Preferably, the lowest height of the insertion cone is higher than the lowest height of the moving wheel.

[0009] Preferably, the defrosting assembly includes a heating box, which is fixedly connected to one side of the base, a fan is fixedly installed above the heating box, an electric heating rod is fixedly installed inside the heating box, and a flexible hose is fixedly connected to the side of the heating box away from the base.

[0010] Preferably, a partition net is fixedly installed above the air inlet end of the fan.

[0011] Preferably, the auxiliary cleaning device includes a water tank, a water tank is fixedly installed on one side of the U-shaped frame, a pump body is fixedly connected to the bottom of the water tank, a water conveying ring is fixedly connected to one side of the pump body at the liquid outlet end and at a position inside the U-shaped frame and outside the sleeve assembly, and multiple nozzles are fixedly connected to the inner side of the water conveying ring and at a position outside the sleeve assembly.

[0012] Preferably, a filter screen is fixedly installed on the inner side of the water tank.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. This utility model, by setting up a mobile thawing device, allows workers to move the device to a certain position when needed using various moving wheels, thereby reducing the difficulty of moving the device and alleviating the workload of workers. Moreover, when the ground permits, workers can fix the position of the device in cooperation with structures such as electric lifting rods and cones, thereby reducing the possibility of the device deviating from its original position due to external collisions or other reasons. In addition, workers can use structures such as fans and electric heating rods to thaw the surface layer of groundwater that has frozen in winter, thereby improving the working capacity of the device.

[0015] 2. By incorporating an auxiliary cleaning device, this utility model enables workers to clean the surfaces of components such as the sleeve assembly after the device has sampled the contaminated groundwater. This is achieved through the coordinated use of the pump body and nozzles, reducing inconvenience for workers and improving the practicality of the device. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present utility model;

[0017] Figure 2 This is a three-dimensional sectional view of the present invention;

[0018] Figure 3 This is a perspective sectional view of the mobile defrosting device of this utility model;

[0019] Figure 4 This is a three-dimensional sectional view of the auxiliary cleaning device of this utility model.

[0020] In the diagram: 1. U-shaped frame; 2. Rope; 3. Motor assembly; 4. Sleeve assembly; 5. Mobile defrosting device; 51. Base; 52. Electric lifting rod; 53. Lifting plate; 54. Insert cone; 55. Moving wheels; 56. Defrosting assembly; 561. Partition net; 562. Fan; 563. Hose; 564. Heating rod; 565. Heating box; 6. Auxiliary cleaning device; 61. Water tank; 62. Filter screen; 63. Water supply ring; 64. Nozzle; 65. Pump body. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] Please see Figure 1-4 The present invention provides the following technical solution: a sampling device for groundwater quality testing with adjustable depth, including a U-shaped frame 1, a sleeve assembly 4 is provided on the inner side of the U-shaped frame 1, a motor assembly 3 is installed on the upper part of the U-shaped frame 1 and above the sleeve assembly 4, the motor assembly 3 and the sleeve assembly 4 are connected by a rope 2, a movable defrosting device 5 is provided on the outer side of the U-shaped frame 1, and an auxiliary cleaning device 6 is installed on the lower part of the U-shaped frame 1;

[0024] The mobile defrosting device 5 includes a base 51. The base 51 is installed below the U-shaped frame 1 by screws. Multiple casters 55 are fixedly connected to the bottom of the base 51. A defrosting component 56 is fixedly connected to one side of the base 51.

[0025] Specifically, a lifting plate 53 is provided on one side of multiple movable wheels 55, and the base 51 is connected to the lifting plate 53 by an electric lifting rod 52. Multiple cones 54 are fixedly connected to the bottom of the lifting plate 53.

[0026] By adopting the above technical solution, when the ground permits, the staff can fix the position of the device by using the electric lifting rod 52 and the cone 54, thereby reducing the possibility of the device deviating from its original position due to external collisions or other reasons.

[0027] Specifically, the lowest height of the insert cone 54 is higher than the lowest height of the moving wheel 55.

[0028] By adopting the above technical solution, the device can ensure that the insertion cone 54 will not adversely affect the movement of the moving wheel 55, thereby ensuring the normal operation of the moving work and better meeting the needs of the work.

[0029] Specifically, the defrosting component 56 includes a heating box 565, which is fixedly connected to one side of the base 51. A fan 562 is fixedly installed on the top of the heating box 565. An electric heating rod 564 is fixedly installed inside the heating box 565. A flexible hose 563 is fixedly connected to the side of the heating box 565 away from the base 51.

[0030] By adopting the above technical solution, workers can use the combination of structures such as the fan 562 and the electric heating rod 564 to thaw the surface of the groundwater that freezes in winter, thereby better meeting the work needs under different conditions.

[0031] Specifically, a partition net 561 is fixedly installed above the air inlet of the fan 562.

[0032] By adopting the above technical solution, the device can prevent external impurities from entering the fan 562 through the partition 561, thereby reducing the possibility of adverse effects on the structure such as the fan 562 and the electric heating rod 564, and ensuring normal operation.

[0033] In this embodiment, when the device is needed for sampling during groundwater quality testing, the operator prepares a power supply for the device and connects it to the equipment requiring power. Then, the operator pushes the device, moving it to the working position using the casters 55 under the base 51 of the defrosting device 5. If the ground conditions permit, the electric lifting rod 52 is activated to lower the lifting plate 53 until the cones 54 are driven into the ground, thus fixing the device's position. If the groundwater surface is frozen due to seasonal factors, the operator can align the end of the hose 563 in the defrosting assembly 56 with the frozen groundwater surface, and then... The blower 562 and each heating rod 564 are started. The blower 562 sends the air filtered by the mesh 561 into the heating box 565. Then, each heating rod 564 heats the air. The hot air passes through the hose 563 and comes into contact with the frozen groundwater surface, thereby melting it. Then, the operator manipulates the motor assembly 3 on the U-shaped frame 1 to lower the rope 2, so that the sleeve assembly 4 enters the groundwater. When the sleeve assembly 4 descends to the required depth, the operator manipulates the sleeve assembly 4 to take a sample. Then, the operator manipulates the motor assembly 3 to rewind the rope 2, so that the sleeve assembly 4 rises back to its original position, and the sampling is completed.

[0034] Example 2

[0035] The difference between this embodiment and embodiment 1 is that the auxiliary cleaning device 6 includes a water tank 61. The water tank 61 is fixedly installed on one side of the U-shaped frame 1. A pump body 65 is fixedly connected to the bottom of the water tank 61. A water supply ring 63 is fixedly connected to one side of the liquid outlet end of the pump body 65, located inside the U-shaped frame 1 and outside the sleeve assembly 4. Multiple nozzles 64 are fixedly connected to the inner side of the water supply ring 63, located outside the sleeve assembly 4.

[0036] By adopting the above technical solution, staff can clean the surface of the sleeve assembly 4 and other structures by using the pump body 65 and nozzle 64 after the device has taken samples of the contaminated groundwater, thereby reducing the inconvenience for staff.

[0037] Specifically, a filter screen 62 is fixedly installed on the inside of the water tank 61.

[0038] By adopting the above technical solution, the device can filter the cleaning water through the filter screen 62, thereby preventing impurities from having an adverse effect on the cleaning work and thus better meeting the needs of the work.

[0039] In this embodiment, when sampling contaminated groundwater, workers can first put enough water into the water tank 61 in the auxiliary cleaning device 6, and then start the pump body 65 when the rope 2 and the sleeve assembly 4 are rising. The pump body 65 sends the water filtered by the filter screen 62 into the water supply ring 63, and then sprays it from each nozzle 64 onto the rising rope 2 and sleeve assembly 4, thereby washing away the dirt on them and carrying out the cleaning work.

[0040] The structure and principle of the U-shaped frame 1, rope 2, motor assembly 3 consisting of a winding wheel and a motor, and sleeve assembly 4 consisting of a sleeve, sampling cylinder, piston, sampling tube, movable rod, Z-shaped drive frame, drive assembly, and conical gravity block have been disclosed in a multi-layer groundwater sampling device disclosed in Chinese patent application number 202222329139.3. Its working principle is that the motor starts, which drives the winding wheel to rotate. The rotation of the winding wheel enables the rope to be wound and unwound. By unwinding the rope, the sleeve can be submerged to the bottom of the water. The motor starts, which drives the electric telescopic rod and eccentric block to rotate, making it easy to rotate the eccentric block to the bottom of any Z-shaped drive frame. The electric telescopic rod starts, which drives the Z-shaped drive frame to move upward. The upward movement of the Z-shaped drive frame drives the movable rod to move upward, which in turn drives the piston to move upward, creating a negative pressure at the bottom of the sampling cylinder. Finally, groundwater can be sampled through the sampling tube.

[0041] The working principle and usage process of this utility model are as follows: When sampling is required for groundwater quality testing, the operator prepares a power supply for the device and connects it to the equipment requiring power. Then, the operator pushes the device, moving it to the working position via the casters 55 under the base 51 of the defrosting device 5. If the ground conditions permit, the electric lifting rod 52 is activated to lower the lifting plate 53 until the cones 54 are driven into the ground, thus fixing the device's position. If the groundwater surface is frozen due to seasonal factors, the operator can align the end of the hose 563 in the defrosting component 56 with the frozen groundwater surface. Then, the blower 562 and the heating rods 564 are activated. The blower 562 sends air filtered through the mesh 561 into the heating box 565, whereby the heating rods 564 heat the air. Hot air passes through hose 563 and comes into contact with the frozen groundwater surface, melting it. Then, the operator manipulates the motor assembly 3 on the U-shaped frame 1 to lower rope 2, allowing the sleeve assembly 4 to enter the groundwater. When the sleeve assembly 4 descends to the required depth, it is manipulated to take a sample. Then, the operator manipulates motor assembly 3 to reel in rope 2, allowing the sleeve assembly 4 to rise back to its original position, completing the sampling. When sampling contaminated groundwater, the operator can first fill the water tank 61 in the auxiliary cleaning device 6 with enough water. Then, when rope 2 and sleeve assembly 4 rise, the operator starts pump 65. Pump 65 sends water filtered by filter screen 62 into water supply ring 63, and then sprays it from each nozzle 64 onto the rising rope 2 and sleeve assembly 4, thereby washing away the dirt and performing the cleaning work.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A depth-adjustable groundwater quality testing sampling device, comprising a U-shaped frame (1), a sleeve assembly (4) provided on the inner side of the U-shaped frame (1), a motor assembly (3) installed on the upper part of the U-shaped frame (1) and above the sleeve assembly (4), the motor assembly (3) and the sleeve assembly (4) being connected by a rope (2), characterized in that: A mobile defrosting device (5) is provided on the outside of the U-shaped frame (1), and an auxiliary cleaning device (6) is installed at the lower part of the U-shaped frame (1). The mobile defrosting device (5) includes a base (51). The base (51) is installed below the U-shaped frame (1) by screws. Multiple moving wheels (55) are fixedly connected to the bottom of the base (51). A defrosting component (56) is fixedly connected to one side of the base (51).

2. The sampling device for groundwater quality testing with adjustable depth according to claim 1, characterized in that: A lifting plate (53) is provided on one side of each of the multiple movable wheels (55). The base (51) and the lifting plate (53) are connected by an electric lifting rod (52). Multiple cones (54) are fixedly connected to the bottom of the lifting plate (53).

3. The sampling device for groundwater quality testing with adjustable depth according to claim 2, characterized in that: The lowest height of the insert cone (54) is higher than the lowest height of the moving wheel (55).

4. The sampling device for groundwater quality testing with adjustable depth according to claim 1, characterized in that: The defrosting assembly (56) includes a heating box (565), which is fixedly connected to one side of the base (51). A fan (562) is fixedly installed above the heating box (565), and an electric heating rod (564) is fixedly installed inside the heating box (565). A flexible hose (563) is fixedly connected to the side of the heating box (565) away from the base (51).

5. The sampling device for groundwater quality testing with adjustable depth according to claim 4, characterized in that: A mesh screen (561) is fixedly installed above the air inlet of the fan (562).

6. The sampling device for groundwater quality testing with adjustable depth according to claim 1, characterized in that: The auxiliary cleaning device (6) includes a water tank (61). The water tank (61) is fixedly installed on one side of the U-shaped frame (1). A pump body (65) is fixedly connected below the water tank (61). A water conveying ring (63) is fixedly connected to one side of the liquid outlet end of the pump body (65) at a position inside the U-shaped frame (1) and outside the sleeve assembly (4). Multiple nozzles (64) are fixedly connected to the inner side of the water conveying ring (63) at a position outside the sleeve assembly (4).

7. A sampling device for groundwater quality testing with adjustable depth according to claim 6, characterized in that: A filter screen (62) is fixedly installed on the inside of the water tank (61).

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