Underground water level dynamic monitoring and layered water sample rapid collection device

Abstract

The invention discloses an underground water dynamic monitoring and layered water sample rapid collection device, which comprises: an upper seat connected with a sling; the lower seat is fixedly connected with the upper seat through a plurality of supporting columns, a monitoring module is fixedly installed on the bottom face of the lower seat, and a transparent cover capable of wrapping the monitoring module is connected to the edge of the bottom face of the lower seat in a sealed mode; the supporting plate is arranged below the upper seat and is fixedly connected with the supporting columns; and the annular shell is connected between the supporting plate and the upper seat in a sealed mode, and a built-in frame is fixed in the annular shell. In the device disclosed by the invention, the opening and closing driving mechanism can drive each plugging mechanism to synchronously open and close, so that the sampling part can obtain water samples at different depths at the same time, the influence of time difference caused by sampling successively on water quality is avoided, and the water quality layering condition of underground water in the vertical direction is more truly reflected.

Description

Technical Field

[0001] The invention specifically relates to the technical field of groundwater sample collection, and in particular is a groundwater dynamic monitoring and stratified water sample rapid collection device. Background Art

[0002] With the continuous exploitation of natural resources, groundwater is facing problems such as over-exploitation and pollution, which leads to frequent ecological problems such as water level drop and water quality deterioration. Therefore, dynamic monitoring of groundwater and stratified water sampling and analysis are carried out to facilitate the subsequent rational development, utilization and protection of groundwater resources.

[0003] The existing water sample collection device collects water samples of different depths at one time by setting sampling tubes of different depths to the selected water monitoring layer for stratified sampling, but it has the following disadvantages:

[0004] 1. The gates of each sampling tube are independently controlled. There is a certain deviation under the coordinated control of opening and closing, which makes it easy for the water in the designated layer to mix with the water in other layers, thus resulting in large errors in water sample detection;

[0005] 2. The gate opening and closing drive sources of each sampling tube are mostly set at the gate, and the wiring or pipe laying is relatively cumbersome. If it is operated underwater for a long time, there is a certain probability that the wires and pipes will be damaged, which will affect the continuous progress of groundwater collection. Summary of the invention

[0006] To this end, the present invention proposes a groundwater dynamic monitoring and stratified water sample rapid collection device to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above object, the present invention provides the following technical solution: a groundwater dynamic monitoring and stratified water sample rapid collection device, comprising:

[0008] an upper seat, to which a sling is connected;

[0009] A lower seat is fixedly connected to the upper seat by a plurality of support columns, a monitoring module is fixedly installed on the bottom surface of the lower seat, and a transparent cover capable of wrapping the monitoring module is sealedly connected to the edge of the bottom surface of the lower seat;

[0010] A support plate, which is arranged below the upper seat and fixedly connected to each support column;

[0011] An annular shell, which is sealed and connected between the support plate and the upper seat, and an internal frame is fixed in the annular shell;

[0012] A sampling cylinder connected between the support plate and the lower seat, wherein two separated sampling chambers are arranged in the sampling cylinder, and a blocking mechanism is arranged at the outer opening of each sampling chamber;

[0013] And an opening and closing driving mechanism, which can drive each blocking mechanism to synchronously regulate the opening and closing states of the outer openings of each sampling cavity.

[0014] Further, as a preference, the opening and closing drive mechanism comprises:

[0015] Two connecting rod mechanisms are provided and symmetrically mounted on the built-in frame;

[0016] A telescopic square tube connected between the active ends of the two connecting rod mechanisms, one end of a driving rod is fixedly connected to the center position of the front side of the telescopic square tube, and the other end of the driving rod is fixedly connected to the driving end of the push cylinder, so that the push cylinder can drive the two connecting rod mechanisms to perform relatively symmetrical movements through the telescopic square tube;

[0017] And two first connecting rods are provided, which are rotatably mounted on the driven ends of the two connecting rod mechanisms respectively, and the bottom end of each first connecting rod can be rotatably connected to a traction rod forward and backward.

[0018] Further, as a preference, two support rings are fixedly mounted on each of the support columns, and two beam tubes are connected between the two support rings;

[0019] The inner diameter of the bundle tube is the same as the outer diameter of the traction rod, so that the traction rod can be adapted to slide into the corresponding bundle tube, and the bottom end of the traction rod extends out.

[0020] Further, preferably, the connecting rod mechanism comprises:

[0021] A rotating handle 5, one end of which is rotatably connected to the telescopic square tube by a long pin, and the other end of the rotating handle 5 is rotatably mounted on the inner bracket;

[0022] A rotating column, one end of which is rotatably mounted on the top of the built-in frame, and the other end of the rotating column passes through the side wall of the ring shell and extends out, and a rotating handle 4 and a rotating handle 3 are respectively fixed to the inner and outer ends of the rotating column;

[0023] and a second connecting rod, one end of which is rotatably connected to the long pin, and the other end of the second connecting rod is rotatably connected to the end of the rotating handle 4;

[0024] Wherein, the end of the rotating handle three is rotatably connected to the top end of the first connecting rod.

[0025] Further, preferably, the turning handle 4 and the turning handle 3 are both inclined downward based on a horizontal plane, and the inclination angles of the two are the same.

[0026] Further, preferably, a sealing sleeve is provided between the rotating column and the through hole of the annular shell.

[0027] Further, preferably, the blocking mechanism comprises:

[0028] A force-bearing frame, which is fixedly connected between the two support columns located in the front;

[0029] A rotating shaft, which is rotatably mounted on the force-bearing frame;

[0030] Two rotating handles are provided and symmetrically fixed on the rotating shaft, and each end of the rotating handle is rotatably connected to a tension rod;

[0031] A second rotating handle, which is fixed on the rotating shaft and is located between the two first rotating handles;

[0032] And a gate, whose upper and lower ends are respectively sealed in the upper and lower slide grooves of the outer opening of the sampling cavity, and when the gate is in a blocked state, a space for the gate to slide upward is reserved in the upper slide groove, and the gate is driven by a second rotating handle to open and close.

[0033] Further, as a preference, the top end of the tensioning rod in the upper blocking mechanism can be rotatably connected to the inner side of the traction rod forward and backward;

[0034] The top end of the tensioning rod in the blocking mechanism located below can be rotatably connected to the bottom end of the traction rod in the forward and backward directions.

[0035] Further, as a preference, the bottom of the front surface of the gate is configured as a chamfered surface;

[0036] The gate is provided with a sliding hole, in which an extension rod is adapted to slide, one end of the extension rod is fixedly connected to one end of a push handle, and the other end of the push handle is rotatably connected to the end of the second rotating handle;

[0037] The other end of the extension rod is fixedly connected to the spring seat, a spring is connected between the spring seat and the gate, and the spring is wound around the side wall of the extension rod.

[0038] Further, preferably, two connectors are installed on the side wall of the annular shell, and each connector is connected to two sampling chambers via a guide tube.

[0039] The present invention adopts the above technology and has the following beneficial effects compared with the existing technology:

[0040] In the device of the present invention, the opening and closing driving mechanism can drive the blocking mechanisms to perform synchronous opening and closing actions, so that the sampling part obtains water samples of different depths at the same time, avoiding the influence of time differences caused by successive sampling on water quality, and more truly reflecting the water quality stratification of groundwater in the vertical direction. The power source is arranged on the top of the device of the present invention and is not immersed in the water body. There is no need for tedious wiring work, which greatly shortens the installation time of the device and can carry out water collection work at different monitoring locations more quickly. It is particularly suitable for situations where temporary or emergency water sampling is required. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a schematic diagram of the three-dimensional structure of a groundwater dynamic monitoring and layered water sample rapid collection device;

[0042] Figure 2 for Figure 1 A magnified schematic diagram of part A;

[0043] Figure 3 for Figure 1 A magnified schematic diagram of part B;

[0044] Figure 4 It is a structural schematic diagram of a blocking mechanism in a groundwater dynamic monitoring and stratified water sample rapid collection device;

[0045] Figure 5 A schematic diagram of the structure of the opening and closing drive mechanism in a groundwater dynamic monitoring and stratified water sample rapid collection device Figure 1 ;

[0046] Figure 6 A schematic diagram of the structure of the opening and closing drive mechanism in a groundwater dynamic monitoring and stratified water sample rapid collection device Figure 2 ;

[0047] Figure 7 It is a rear view structural schematic diagram of a groundwater dynamic monitoring and stratified water sample rapid collection device.

[0048] In the figure: 1. sling; 2. ring shell; 3. bundle tube; 5. transparent cover; 6. lower seat; 7. support ring; 8. sampling tube; 9. support plate; 10. support column; 11. upper seat; 13. traction rod; 14. tension rod; 15. turning handle 1; 16. rotating shaft; 17. turning handle 2; 19. force frame; 20. first connecting rod; 21. turning handle 3; 22. turning column; 23. built-in frame; 24. push cylinder; 25. turning handle 4; 26. telescopic square tube; 27. driving rod; 28. turning handle 5; 29. ​​second connecting rod; 30. gate; 31. extension rod; 32. push handle; 33. spring seat; 34. spring; 35. joint. DETAILED DESCRIPTION

[0049] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0050] Example: Please refer to the attached Figure 1-7 The present invention provides a technical solution: a groundwater dynamic monitoring and stratified water sample rapid collection device, which comprises:

[0051] The upper seat 11 is connected with the sling 1 and is installed on the crane through the sling 1;

[0052] The lower seat 6 is fixedly connected to the upper seat 11 by a plurality of support columns 10. A monitoring module is fixedly installed on the bottom surface of the lower seat 6, and a transparent cover 5 capable of wrapping the monitoring module is sealed and connected at the edge of the bottom surface of the lower seat 6;

[0053] Specifically, the monitoring module can monitor the groundwater dynamics in real time, and the device of the present invention can be started to perform groundwater stratification sampling only after the groundwater dynamics are stabilized;

[0054] A support plate 9 is disposed below the upper seat 11 and fixedly connected to each support column 10;

[0055] The ring shell 2 is sealed and connected between the support plate 9 and the upper seat 11, and a built-in frame 23 is fixed in the ring shell 2;

[0056] The sampling tube 8 is connected between the support plate 9 and the lower seat 6. Two separated sampling chambers are arranged in the sampling tube 8, and a blocking mechanism is arranged at the outer opening of each sampling chamber;

[0057] and an opening and closing driving mechanism, which can drive each blocking mechanism to synchronously regulate the opening and closing states of the outer openings of each sampling cavity;

[0058] Specifically, the number of sampling cavities is set according to the actual regional morphology of groundwater to be collected, and the distance between the sampling cavities is adjustable to ensure that water bodies in different layers of groundwater can be collected.

[0059] In this embodiment, the opening and closing driving mechanism includes:

[0060] Two connecting rod mechanisms are provided and symmetrically mounted on the built-in frame 23;

[0061] The telescopic square tube 26 is connected between the active ends of the two connecting rod mechanisms. One end of a driving rod 27 is fixedly connected to the center position of the front side of the telescopic square tube 26, and the other end of the driving rod 27 is fixedly connected to the driving end of the push cylinder 24, so that the push cylinder 24 can drive the two connecting rod mechanisms to perform relatively symmetrical movements through the telescopic square tube 26;

[0062] and a first connecting rod 20, of which two are provided and are rotatably mounted on the driven ends of the two connecting rod mechanisms respectively, and the bottom end of each first connecting rod 20 is rotatably connected to the traction rod 13 forward and backward;

[0063] Specifically, the push cylinder 24 serves as a power source, and can be an electric cylinder or an oil cylinder. It is arranged on the top of the device of the present invention and is not immersed in the water body. There is no need for tedious wiring work, which greatly shortens the installation time of the device and can more quickly carry out water collection work at different monitoring locations. It is particularly suitable for situations where temporary or emergency water sampling is required.

[0064] In this embodiment, two support rings 7 are fixedly mounted on each support column 10, and two bundle tubes 3 are connected between the two support rings 7;

[0065] The inner diameter of the bundle tube 3 is the same as the outer diameter of the traction rod 13, so that the traction rod 13 can be adapted to slide into the corresponding bundle tube 3, and the bottom end of the traction rod 13 extends out;

[0066] Specifically, the traction rod 13 serves as a transmission rod between the opening and closing driving mechanism and the blocking mechanism, and the bundle tube 3 has a limiting effect on the traction rod 13 , so that the traction rod 13 can only slide up and down along the length direction of the bundle tube 3 .

[0067] In this embodiment, the connecting rod mechanism includes:

[0068] A rotating handle 5 28, one end of which is rotatably connected to the telescopic square tube 26 by a long pin, and the other end of the rotating handle 5 28 is rotatably mounted on the inner bracket 23;

[0069] A rotating column 22, one end of which is rotatably mounted on the top of the built-in frame 23, and the other end of the rotating column 22 passes through the side wall of the ring shell 2 and extends out, and a rotating handle 4 25 and a rotating handle 3 21 are respectively fixed to the inner and outer ends of the rotating column 22;

[0070] and a second connecting rod 29, one end of which is rotatably connected to the long pin, and the other end of the second connecting rod 29 is rotatably connected to the end of the rotating handle 25;

[0071] The end of the turning handle 3 21 is rotatably connected to the top end of the first connecting rod 20 .

[0072] In this embodiment, the turning handle 4 25 and the turning handle 3 21 are both tilted downward based on the horizontal plane, and the tilt angles of the two are the same, that is, the turning handle 4 25 and the turning handle 3 21 rotate synchronously and in the same direction at a set angle;

[0073] Specifically, when the push cylinder 24 is extended (i.e., it can drive the blocking mechanism to the closed state, see the attached Figure 4 , 5 6) The telescopic square tube 26 is pushed upward by the driving rod 27, so that the rotating handle 5 28 is turned upward. During this period, the distance between the two rotating handles 5 28 will gradually decrease, and the telescopic square tube 26 will make proper concessions through its own retractability;

[0074] At the same time, the turning handle 5 28 pushes the turning handle 3 21 to flip upwards through the second connecting rod 29. Since the turning handle 4 25 and the turning handle 3 21 move in the same manner, the turning handle 3 21 flips upwards and pulls up the traction rod 13 through the first connecting rod 20, driving the blocking mechanism to a closed state.

[0075] When the push cylinder 24 performs the contraction action, similarly to the above, the rotating handle 5 28, the rotating handle 4 25 and the rotating handle 3 21 are all linked to turn downward, and then the traction rod 13 is pressed down through the first connecting rod 20, driving the blocking mechanism to the open state;

[0076] In this way, the opening and closing states of each sealing mechanism are coordinated and controlled. Since the water quality of groundwater at different depths often differs, synchronous water extraction can obtain water samples at different depths at the same time, avoiding the impact of time differences caused by sequential sampling on water quality, and more truly reflecting the water quality stratification of groundwater in the vertical direction.

[0077] In this embodiment, a sealing sleeve is provided between the rotating column 22 and the through hole of the annular shell 2 .

[0078] In this embodiment, the blocking mechanism includes:

[0079] A force-bearing frame 19, which is fixedly connected between the two support columns 10 located in the front;

[0080] A rotating shaft 16, which is rotatably mounted on a force bearing frame 19;

[0081] There are two rotating handles 15, which are symmetrically fixed on the rotating shaft 16, and the end of each rotating handle 15 is rotatably connected to the tension rod 14;

[0082] The second turning handle 17 is fixed on the rotating shaft 16 and is located between the two turning handles 15;

[0083] And the gate 30, whose upper and lower ends are respectively sealed in the upper and lower slide grooves of the outer opening of the sampling cavity, and when the gate 30 is in a blocked state, a space for the gate 30 to slide upward is reserved in the upper slide groove, and the gate 30 is driven by the rotating handle 17 to open and close.

[0084] In this embodiment, the top end of the tension rod 14 in the upper blocking mechanism can be rotatably connected to the inner side of the traction rod 13 forward and backward;

[0085] The top end of the tension support rod 14 in the blocking mechanism located below can be rotatably connected to the bottom end of the traction rod 13 forward and backward;

[0086] Specifically, when the traction rod is pulled upward, the handle 1 is pulled upward through the support rod 14. Due to the fixed relationship between the handle 1 and the shaft, the shaft 16 is turned counterclockwise and drives the gate 30 to move downward until the gate is in a closed state.

[0087] When the traction rod is pressed downward, it presses down the handle 1 through the support rod 14. Due to the fixed relationship between the handle 1 and the shaft, the shaft 16 turns clockwise and drives the gate 30 to move upward, so that the gate is opened.

[0088] In this embodiment, the bottom of the front face of the gate 30 is set as a beveled surface to reduce the cut-off contact area between the gate 30 and the water body and reduce the resistance generated when the gate is closed;

[0089] The gate 30 is provided with a sliding hole, in which an extension rod 31 is adapted to slide, one end of the extension rod 31 is fixedly connected to one end of a push handle 32, and the other end of the push handle 32 is rotatably connected to the end of the rotating handle 17;

[0090] The other end of the extension rod 31 is fixedly connected to the spring seat 33 . A spring 34 is connected between the spring seat 33 and the gate 30 , and the spring 34 is wound around the side wall of the extension rod 31 .

[0091] In this embodiment, two joints 35 are installed on the side wall of the annular shell 2, and each joint 35 is connected to two sampling chambers by a guide tube;

[0092] It should be noted that the connector 35 is used to connect to a vacuum pump, which can pump out the gas in the sampling cavity to place it in a relatively high negative pressure state, thereby increasing the water diversion rate.

[0093] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A groundwater dynamic monitoring and stratified water sample rapid collection device, characterized in that: It includes: An upper seat (11) to which a sling (1) is connected; A lower seat (6) is fixedly connected to the upper seat (11) by a plurality of support columns (10); a monitoring module is fixedly mounted on the bottom surface of the lower seat (6); and a transparent cover (5) capable of wrapping the monitoring module is sealedly connected to the edge of the bottom surface of the lower seat (6); A support plate (9) disposed below the upper seat (11) and fixedly connected to each support column (10); An annular shell (2) is sealed and connected between the support plate (9) and the upper seat (11), and an internal frame (23) is fixed inside the annular shell (2); A sampling cylinder (8) connected between the support plate (9) and the lower seat (6), wherein two separated sampling chambers are arranged in the sampling cylinder (8), and a blocking mechanism is arranged at the outer opening of each sampling chamber; And an opening and closing driving mechanism, which can drive each blocking mechanism to synchronously regulate the opening and closing states of the outer openings of each sampling cavity.

2. The groundwater dynamic monitoring and stratified water sample rapid collection device according to claim 1 is characterized by: The opening and closing driving mechanism comprises: Two connecting rod mechanisms are provided and symmetrically mounted on the built-in frame (23); A telescopic square tube (26) is connected between the active ends of the two connecting rod mechanisms, one end of a driving rod (27) is fixedly connected to the center position of the front face of the telescopic square tube (26), and the other end of the driving rod (27) is fixedly connected to the driving end of the push cylinder (24), so that the push cylinder (24) can drive the two connecting rod mechanisms to perform relatively symmetrical movements through the telescopic square tube (26); And two first connecting rods (20) are provided, which are rotatably mounted on the driven ends of the two connecting rod mechanisms respectively, and the bottom end of each first connecting rod (20) is rotatably connected to a traction rod (13) forward and backward.

3. A groundwater dynamic monitoring and stratified water sample rapid collection device according to claim 2, characterized in that: Two support rings (7) are also fixedly mounted on each of the support columns (10), and two bundle tubes (3) are connected between the two support rings (7); The inner diameter of the bundle tube (3) is the same as the outer diameter of the traction rod (13), so that the traction rod (13) can be adapted to slide into the corresponding bundle tube (3), and the bottom end of the traction rod (13) protrudes.

4. A groundwater dynamic monitoring and stratified water sample rapid collection device according to claim 3, characterized in that: The connecting rod mechanism comprises: A rotating handle (28) having one end rotatably connected to the telescopic square tube (26) by a long pin, and the other end of the rotating handle (28) is rotatably mounted on the inner bracket (23); A rotating column (22), one end of which is rotatably mounted on the top of the built-in frame (23), the other end of which passes through the side wall of the annular shell (2) and protrudes out, and a rotating handle 4 (25) and a rotating handle 3 (21) are respectively fixed to the inner and outer ends of the rotating column (22); and a second connecting rod (29), one end of which is rotatably connected to the long pin, and the other end of the second connecting rod (29) is rotatably connected to the end of the rotating handle 4 (25); Wherein, the end of the rotating handle three (21) is rotatably connected to the top end of the first connecting rod (20).

5. A groundwater dynamic monitoring and stratified water sample rapid collection device according to claim 4, characterized in that: The turning handle 4 (25) and the turning handle 3 (21) are both inclined downwards based on a horizontal plane, and the inclination angles of the two are the same.

6. A groundwater dynamic monitoring and stratified water sample rapid collection device according to claim 4, characterized in that: A sealing sleeve is provided between the rotating column (22) and the through hole of the annular shell (2).

7. The groundwater dynamic monitoring and stratified water sample rapid collection device according to claim 3 is characterized by: The blocking mechanism comprises: A force-bearing frame (19) fixedly connected between the two support columns (10) located in the front; A rotating shaft (16) rotatably mounted on the force bearing frame (19); Two rotating handles (15) are provided and symmetrically fixed on the rotating shaft (16), and the end of each rotating handle (15) is rotatably connected to a tension rod (14); A second turning handle (17), which is fixed on the rotating shaft (16) and is located between the two first turning handles (15); and a gate (30), the upper and lower ends of which are respectively sealed in the upper and lower slide grooves of the outer opening of the sampling cavity, and when the gate (30) is in a blocked state, a space for the gate (30) to slide upward is reserved in the upper slide groove, and the gate (30) is driven by the second rotating handle (17) to open and close.

8. The groundwater dynamic monitoring and stratified water sample rapid collection device according to claim 7 is characterized by: The top end of the tension support rod (14) in the upper blocking mechanism can be rotatably connected to the inner side of the traction rod (13) in a forward and backward manner; The top end of the tension support rod (14) in the blocking mechanism located below can be rotatably connected to the bottom end of the traction rod (13) in a forward and backward manner.

9. A groundwater dynamic monitoring and stratified water sample rapid collection device according to claim 8, characterized in that: The bottom of the front face of the gate (30) is configured as a chamfered surface; The gate (30) is provided with a sliding hole, in which an extension rod (31) is slidably connected, one end of the extension rod (31) is fixedly connected to one end of a push handle (32), and the other end of the push handle (32) is rotatably connected to the end of the second rotating handle (17); The other end of the extension rod (31) is fixedly connected to the spring seat (33), a spring (34) is connected between the spring seat (33) and the gate (30), and the spring (34) is wound around the side wall of the extension rod (31).

10. The groundwater dynamic monitoring and stratified water sample rapid collection device according to claim 1, characterized in that: Two joints (35) are installed on the side wall of the annular shell (2), and each joint (35) is connected to two sampling chambers via a guide tube.

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