Underground water stratified sampling device

Abstract

The utility model relates to the technical field of underground water sampling, and discloses an underground water stratified sampling device which is characterized in that a wind-up roller is rotatably mounted in a mounting frame, a wind-up rope is wound outside the wind-up roller, a hanging ring is arranged outside the wind-up rope, the lower end of the hanging ring is connected with a first sampling cylinder, and the lower end of the first sampling cylinder is connected with a second sampling cylinder; the lower end of the first sampling cylinder is connected with a second sampling cylinder, sampling holes are formed in the outer sides of the first sampling cylinder and the second sampling cylinder, driving boxes are mounted on the other outer sides of the first sampling cylinder and the second sampling cylinder, and electric push rods are arranged in the driving boxes; a sealing plate is arranged at the position, close to the second sampling cylinder, of the inner sides of the first sampling cylinder and the second sampling cylinder. Through the arrangement of the driving box, the electric push rod, the sealing plate and the sealing gasket, when the electric push rod works, the sealing plate is far away from or close to the position of the sampling hole, so that the sampling hole is automatically opened or closed to realize the purpose of sampling.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground water sampling technical field, concretely is a kind of underground water layered sampling device. BACKGROUND

[0002] Underground water refers to the water in the space of rock below ground, and in a narrow sense, it refers to the water in the saturated aquifer below the groundwater surface. In order to fully understand the quality of underground water environment, and provide scientific basis for pollution control and protection, it is necessary to use layered sampling device to sample underground water.

[0003] A kind of underground water layered sampling device (authorized announcement number CN219104417U) is disclosed in Chinese patent, the patent technology is by this time underground water will flow into the inner wall of long tube along the several circular holes opened on the outer side surface of circular plate, and circular plate and circular hole will block the impurities generated in underground water, prevent impurities from entering the interior of instrument, cause the aging of instrument, when underground water flows into long tube interior, it will flow into lower layer along the through hole opened on the top end surface of limiting plate, when each layer is all filled with underground water, the collection of underground water is realized.

[0004] However, the existing underground water sampling layered sampling mode is mostly to open the sampling hole at the same time to sample, which cannot sample the required underwater position, and has low practicability. For example, the above-mentioned comparative document adjusts the position to realize sampling work by using the adsorption between electromagnet and magnet block. In actual application, when different underwater positions need to be sampled, the sampling device needs to be opened at different positions. If it is opened at the same time, only the underground water at the current position depth can be obtained, and the practicability is low. Therefore, the underground water layered sampling device is provided by the person skilled in the art to solve the problems in the above background technology. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of underground water layered sampling device to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model provides a groundwater layered sampling device, including the connecting plate, the first locating plate is installed at the lower surface end face of connecting plate, one side of connecting plate is fixed with mounting bracket, rotates and installs the winding roller in the inside of mounting bracket, winding rope is wound outside the winding roller, the knuckle is provided outside the winding rope, the first sampling cylinder is connected to the lower end of knuckle, the second sampling cylinder is connected to the lower end of first sampling cylinder, the outside of first sampling cylinder and second sampling cylinder all are set with sampling hole, and the other outside of first sampling cylinder and second sampling cylinder all are installed with drive box, the inside of drive box is provided with electric push rod, the inside of first sampling cylinder and second sampling cylinder is provided with sealing plate close to the position of second sampling cylinder, one side of sealing plate is provided with sealing gasket.

[0008] As a further scheme of the utility model: the sealing plate is arc-shaped, and the outer side of the sealing gasket is in contact with the inner side of the first sampling cylinder.

[0009] As a further scheme of the utility model: the fixed end of the electric push rod is installed on the inner side of the drive box, and the telescopic end of the electric push rod is connected to the inner side of the sealing plate.

[0010] As a further scheme of the utility model: the front surface of the mounting bracket is installed with a motor, and the driving end of the motor is connected to the front end of the winding roller.

[0011] As a further scheme of the utility model: the connecting plate and the first locating plate are arranged in an "L" shape, and the lower surface of the first locating plate is provided with a stable bottom plate.

[0012] As a further scheme of the utility model: the mounting bracket is arranged in a "U" shape, and a bearing is also arranged in the mounting bracket, and the rear end of the winding roller is embedded in the bearing and rotationally connected to the bearing.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1. The utility model is simple in structure, can realize efficient sealing sampling work, and is practical.

[0015] 2. The utility model is practical. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of a groundwater layered sampling device;

[0017] Figure 2 It is a structural schematic view of a connecting plate in a groundwater layered sampling device;

[0018] Figure 3 It is a structural schematic view of a sealing plate in a groundwater layered sampling device.

[0019] In the figure: 1, connecting plate; 11, first positioning plate; 2, mounting frame; 21, motor; 22, winding roller; 23, winding rope; 3, lifting ring; 4, first sampling cylinder; 5, second sampling cylinder; 6, sampling hole; 7, drive box; 71, electric push rod; 72, sealing plate; 73, sealing gasket. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments.

[0021] Therefore, the following detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents some embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0022] It should be noted that the embodiments in the present application and the features and technical solutions in the embodiments can be combined with each other without conflict.

[0023] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0024] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product is used, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", etc. are only used for differentiation, and cannot be understood as indicating or implying relative importance.

[0025] Embodiment 1:

[0026] As Figure 1 , Figure 2 and Figure 3 shown, the present embodiment proposes a groundwater layered sampling device, comprising a connecting plate 1, a first positioning plate 11 is installed at the lower surface end face of the connecting plate 1, a mounting rack 2 is fixed on one side of the connecting plate 1, a winding roller 22 is rotatably installed inside the mounting rack 2, a winding rope 23 is wound outside the winding roller 22, a lifting ring 3 is arranged outside the winding rope 23, a first sampling cylinder 4 is connected to the lower end of the lifting ring 3, a second sampling cylinder 5 is connected to the lower end of the first sampling cylinder 4, sampling holes 6 are formed on the outer sides of the first sampling cylinder 4 and the second sampling cylinder 5, and drive boxes 7 are installed on the other outer sides of the first sampling cylinder 4 and the second sampling cylinder 5. The inside of the drive box 7 is provided with an electric push rod 71, and the inside of the first sampling cylinder 4 and the second sampling cylinder 5 is provided with a sealing plate 72 close to the second sampling cylinder 5. A sealing gasket 73 is arranged on one side of the sealing plate 72. This arrangement uses the first sampling cylinder 4 and the second sampling cylinder 5 to sample underground water when they fall to different positions, and uses the sealing plate 72 to block the sampling holes 6, thereby achieving the purpose of sealing and avoiding the influence of underground water at other positions on the sampling quality.

[0027] Embodiment 2:

[0028] The scheme in Embodiment 1 will be further introduced in combination with a specific working mode, and details are described below:

[0029] As Figure 3 shown, as a preferred embodiment, on the basis of the above-mentioned mode, further, the sealing plate 72 is arc-shaped, and the outer side of the sealing gasket 73 is in contact with the inner side of the first sampling cylinder 4. This arrangement uses the sealing gasket 73 to contact the inner sides of the first sampling cylinder 4 and the second sampling cylinder 5, so that the sampling holes 6 can be shielded after sampling to achieve the purpose of sealing.

[0030] As Figure 3 shown, as a preferred embodiment, on the basis of the above-mentioned mode, further, the fixed end of the electric push rod 71 is installed inside the drive box 7, and the telescopic end of the electric push rod 71 is connected to the inside of the sealing plate 72. This arrangement uses the work of the two groups of electric push rods 71, so that the sealing plate 72 moves inside the first sampling cylinder 4 and the second sampling cylinder 5, thereby blocking the sampling holes 6 to achieve the purpose of sealing.

[0031] As Figure 2As shown, as a preferred embodiment, on the basis of the above manner, further, the front surface of the mounting frame 2 is provided with a motor 21, the driving end of the motor 21 is connected with the front end of the winding roller 22, the mounting frame 2 is provided in a "U" shape, and the inside of the mounting frame 2 is also provided with a bearing, the rear end of the winding roller 22 is embedded in the inside of the bearing and is rotatably connected with the bearing, the setting utilizes the working of the motor 21 to make the winding roller 22 rotate, and the winding rope 23 outside the winding roller 22 is wound to adjust the positions of the first sampling cylinder 4 and the second sampling cylinder 5 when rotating, so as to facilitate the sampling work of the underground water at different positions.

[0032] As shown, as a preferred embodiment, on the basis of the above manner, further, the front surface of the mounting frame 2 is provided with a motor 21, the driving end of the motor 21 is connected with the front end of the winding roller 22, the mounting frame 2 is provided in a "U" shape, and the inside of the mounting frame 2 is also provided with a bearing, the rear end of the winding roller 22 is embedded in the inside of the bearing and is rotatably connected with the bearing, the setting utilizes the working of the motor 21 to make the winding roller 22 rotate, and the winding rope 23 outside the winding roller 22 is wound to adjust the positions of the first sampling cylinder 4 and the second sampling cylinder 5 when rotating, so as to facilitate the sampling work of the underground water at different positions. Figure 2

[0033] Embodiment 3:

[0034] The schemes in Embodiment 1 and Embodiment 2 are further introduced below in combination with specific working modes, and details are described below:

[0035] Specifically, the underground water layered sampling device in working / using: first, the device is taken to the underground water sampling position, and the first sampling cylinder 4 and the second sampling cylinder 5 correspond to the sampling well, the stability of the first sampling cylinder 4 and the second sampling cylinder 5 is ensured by the stable bottom plate on the lower surface of the first positioning plate 11, the winding roller 22 is rotated by starting the motor 21, and the winding rope 23 wound outside the winding roller 22 is released to make the first sampling cylinder 4 and the second sampling cylinder 5 sink to the deep place of the underground water, when the first sampling cylinder 4 is needed to be used for sampling, the electric push rod 71 in the driving box 7 outside the first sampling cylinder 4 is worked, so that the sealing plate 72 is away from the sampling hole 6, the sampling hole 6 is opened at this time to make the underground water at this place enter into the inside of the first sampling cylinder 4 through the sampling hole 6, and the electric push rod 71 pushes the sealing plate 72 to the sampling hole 6 after sampling to seal by the sealing gasket 73, so that the sampling quality is not affected by the underground water entering into the inside of the first sampling cylinder 4, and the position of the second sampling cylinder 5 is adjusted by releasing the winding rope 23, and the opening and closing of the sampling hole 6 is also realized by the electric push rod 71, the purpose of layered sampling is realized, the structure is simple, and the practicability is good, and the contents not described in detail in the description belong to the prior art known by the professional technical personnel.

[0036] ​The above examples are only used to illustrate the technical solutions described in the utility model and do not limit the utility model. Although the utility model has been described in detail with reference to the above-described various embodiments, the utility model is not limited to the above-described specific embodiments, and therefore any modification or equivalent replacement of the utility model; and all technical solutions and improvements that do not deviate from the spirit and scope of the invention are all included in the scope of the claims of the utility model.

Claims

1. A groundwater stratified sampling device, comprising a connecting plate (1), characterized in that, A first positioning plate (11) is installed on the lower end face of the connecting plate (1). A mounting bracket (2) is fixed on one side of the connecting plate (1). A take-up roller (22) is rotatably installed inside the mounting bracket (2). A take-up rope (23) is wound around the outside of the take-up roller (22). A lifting ring (3) is provided on the outside of the take-up rope (23). A first sampling cylinder (4) is connected to the lower end of the lifting ring (3). A second sampling cylinder (5) is connected to the lower end of the first sampling cylinder (4). Sampling holes (6) are opened on the outer sides of the first sampling cylinder (4) and the second sampling cylinder (5). A drive box (7) is installed on the other outer side of the first sampling cylinder (4) and the second sampling cylinder (5). An electric push rod (71) is provided inside the drive box (7). A sealing plate (72) is provided on the inner side of the first sampling cylinder (4) and the second sampling cylinder (5) near the second sampling cylinder (5). A sealing gasket (73) is provided on one side of the sealing plate (72).

2. The groundwater stratified sampling device according to claim 1, characterized in that, The sealing plate (72) is arc-shaped, and the outer side of the sealing gasket (73) is in contact with the inner side of the first sampling tube (4).

3. The groundwater stratified sampling device according to claim 1, characterized in that, The fixed end of the electric push rod (71) is installed inside the drive box (7), and the telescopic end of the electric push rod (71) is connected to the inside of the sealing plate (72).

4. The groundwater stratified sampling device according to claim 1, characterized in that, A motor (21) is mounted on the front surface of the mounting bracket (2), and the drive end of the motor (21) is connected to the front end of the take-up roller (22).

5. A groundwater stratified sampling device according to claim 1, characterized in that, The connecting plate (1) and the first positioning plate (11) are arranged in an "L" shape, and a stable base plate is provided on the lower surface of the first positioning plate (11).

6. The groundwater stratified sampling device according to claim 1, characterized in that, The mounting frame (2) is U-shaped, and a bearing is also provided inside the mounting frame (2). The rear end of the take-up roller (22) is embedded in the bearing and rotates with the bearing.

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