Underground water sampling device for hydrogeology

Abstract

The utility model provides an underground water sampling device for hydrogeology, which comprises a bottom plate and a sampling mechanism, the lower surface of the bottom plate is provided with a support leg structure with adjustable height, the upper surface of the bottom plate is fixedly connected with an accommodating box, the inner cavity of the accommodating box is provided with a connecting rope through a winding mechanism, and the connecting rope is connected with the sampling mechanism. And the other end of the connecting rope can movably extend to the outside of the bottom plate. According to the underground water sampling device for hydrogeology, the counterweight frame sinks into water flow under the influence of gravity, after the counterweight frame sinks into the water flow with the specified depth, one electromagnetic valve is opened, one sampling bottle is used for sampling a water sample with the specified depth through communication of the vertical pipe, and after sampling, one electromagnetic valve is closed, and the counterweight frame continuously descends; when the counterweight frame descends to another specified depth, the other electromagnetic valve is opened, and the other sampling bottle is used for sampling the water sample at the specified depth through the communication of the vertical pipe, so that the water samples at different depths can be sampled at one time.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling devices, in particular to a groundwater sampling device for hydrogeology. Background Art

[0002] Groundwater is an important component of water resources and has a close relationship with human society. With its stable water supply conditions and good water quality, groundwater has become an important source of water for agricultural irrigation, industrial and mining enterprises, and urban domestic water. It has become an important water resource indispensable to human society, especially in arid and semi-arid areas with surface water shortage. Groundwater often becomes the main source of local water supply. However, under certain conditions, the irrational use of groundwater resources will cause geological disasters such as soil salinization, landslides, and ground subsidence. The irrational discharge of industrial wastewater and the irrational use of agricultural fertilizers will lead to excessive levels of various heavy metals, organic pollutants, and nitrates in groundwater.

[0003] Chinese patent CN211784501U discloses a groundwater sampling device for hydrogeology. This technical solution controls the electromagnetic valve to allow water to enter the sampling tube from the water inlet pipe when the sampling tube reaches a certain depth for sampling, and then closes the electromagnetic valve to prevent water from other depths from being mixed in, thereby ensuring the purity of the groundwater sampling and improving the accuracy of its sampling measurement;

[0004] However, during use, the device can only collect one sample at a time. When water samples at different depths need to be collected, multiple repetitive sampling operations are required. The sampling operation is cumbersome and takes a long time, thereby reducing the efficiency of groundwater sampling.

[0005] Therefore, it is necessary to provide a new groundwater sampling device for hydrogeology to solve the above technical problems. Summary of the invention

[0006] The utility model provides a groundwater sampling device for hydrogeology, which solves the technical problem that during use, the device can take a sample once at a time, the sampling operation is cumbersome and consumes a long time, which reduces the groundwater sampling efficiency.

[0007] In order to solve the above technical problems, the utility model provides a groundwater sampling device for hydrogeology, comprising a bottom plate and a sampling mechanism, wherein a leg structure capable of adjusting the height is provided on the lower surface of the bottom plate, a receiving box is fixedly connected to the upper surface of the bottom plate, and a connecting rope is provided in the inner cavity of the receiving box through a winding mechanism, and the other end of the connecting rope can be movably extended to the outside of the bottom plate;

[0008] The sampling mechanism includes a connecting bracket, which is fixedly connected to the other end of the connecting rope. The bottom of the connecting bracket is fixedly connected to a counterweight frame. The top of the counterweight frame is provided with a plurality of sampling bottles. The top of the sampling bottle is connected to a vertical pipe, and the vertical pipe is provided with an electromagnetic valve. The surface of the connecting rope is provided with a scale mark.

[0009] Preferably, an electric telescopic rod is transversely arranged inside the base plate, one end of the electric telescopic rod can be pulled to extend to the outside of the base plate, and is rotatably connected to a guide wheel adapted to the connecting rope.

[0010] Preferably, an electric control component is disposed in the inner cavity of the containing box, and a box door is disposed on the surface of the containing box.

[0011] Preferably, the leg structure includes a plurality of accommodating tubes, and the plurality of accommodating tubes are vertically fixedly connected to the lower surface of the base plate. The inner cavity of the accommodating tube is vertically provided with a pull-out rod, and the bottom end of the pull-out rod is fixedly connected with a universal wheel. The bottom end of the side wall of the accommodating tube is provided with a bolt, and the surface of the pull-out rod is provided with a plurality of card interfaces adapted to the bolts.

[0012] Preferably, a push handle is fixedly connected to the surface of the storage box, and a heat dissipation window is opened on the surface of the storage box.

[0013] Preferably, the winding mechanism includes a support frame, the support frame is fixedly connected to the bottom of the inner wall of the storage box, a rotating shaft is rotatably provided inside the support frame, a winding roller is fixedly connected to the surface of the rotating shaft, one end of the connecting rope is wound around the surface of the winding roller and fixedly connected to the surface of the winding roller, a motor is fixedly connected to the inner wall surface of the storage box, and pulleys are fixedly connected to the output shaft of the motor and the surface of the rotating shaft, and the two pulleys are connected by a transmission belt.

[0014] Preferably, one end surface of the containing box is vertically provided with a through hole for movement of the connecting rope.

[0015] Compared with the related art, the groundwater sampling device for hydrogeology provided by the utility model has the following beneficial effects:

[0016] The utility model provides a groundwater sampling device for hydrogeology. Through the operation of a winding mechanism, after the connecting rope is released, the counterweight frame sinks into the water flow under the influence of gravity. After sinking into the water flow at a specified depth, an electromagnetic valve opens, and a sampling bottle takes the water sample of the specified depth through the connection of a vertical pipe. After the taking, an electromagnetic valve is closed, and the counterweight frame continues to descend. When the counterweight frame descends to another specified depth, another electromagnetic valve opens, and another sampling bottle takes the water sample of the specified depth through the connection of the vertical pipe. A plurality of water samples of different depths can be taken at one time, and the operation is simple and fast, thereby improving the sampling efficiency of groundwater and reducing the manual labor. The scale mark is convenient for the staff to check the diving depth of the counterweight frame, thereby improving the sampling accuracy. The device can adjust the height of the legs, so that it is convenient to move to adapt to different terrains. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic structural diagram of a preferred embodiment of the hydrogeological groundwater sampling device provided by the utility model;

[0018] Figure 2 for Figure 1 The structural schematic diagram of the winding mechanism shown;

[0019] Figure 3 for Figure 1 The schematic diagram of the structure of the base plate and the universal wheel is shown.

[0020] Numbers in the figure: 1. bottom plate; 2. containing cylinder; 3. bolt; 4. pull rod; 5. universal wheel; 6. card interface; 7. containing box; 8. support frame; 9. rotating shaft; 10. winding roller; 11. motor; 12. pulley; 13. transmission belt; 14. electronic control component; 15. heat dissipation window; 16. electric telescopic rod; 17. guide wheel; 18. connecting rope; 19. counterweight frame; 20. sampling bottle; 21. vertical pipe; 22. solenoid valve; 23. connecting bracket; 24. push handle; 25. box door; 26. scale mark. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0022] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of the hydrogeological groundwater sampling device provided by the utility model; Figure 2 for Figure 1 The structural schematic diagram of the winding mechanism shown; Figure 3 for Figure 1The schematic diagram of the structure of the bottom plate and the universal wheel is shown. The groundwater sampling device for hydrogeology includes a bottom plate 1 and a sampling mechanism, the lower surface of the bottom plate 1 is provided with a leg structure capable of adjusting the height, the upper surface of the bottom plate 1 is fixedly connected with a receiving box 7, the inner cavity of the receiving box 7 is provided with a connecting rope 18 through a winding mechanism, and the other end of the connecting rope 18 can be movably extended to the outside of the bottom plate 1.

[0023] The sampling mechanism includes a connecting bracket 23, which is fixedly connected to the other end of the connecting rope 18. The bottom of the connecting bracket 23 is fixedly connected to a counterweight frame 19. The top of the counterweight frame 19 is provided with a plurality of sampling bottles 20. The top of the sampling bottle 20 is connected to a vertical pipe 21, and a solenoid valve 22 is provided on the vertical pipe 21. The surface of the connecting rope 18 is provided with a scale mark 26, and one end surface of the accommodating box 7 is vertically opened with a through hole for the movement of the connecting rope 18.

[0024] The reeling mechanism works, and after the connecting rope 18 is released, the counterweight frame 19 sinks into the water flow due to the influence of gravity. When it sinks into the water flow at a specified depth, a solenoid valve 22 opens, and through the connection of the vertical pipe 21, a sampling bottle 20 collects water samples at the specified depth.

[0025] After sampling, one solenoid valve 22 is closed and the counterweight frame 19 continues to descend. When the counterweight frame 19 descends to another specified depth, another solenoid valve 22 is opened. Through the connection of the vertical pipe 21, another sampling bottle 20 collects water samples at the specified depth. Multiple water samples of different depths can be collected at one time. The operation is simple and fast, which improves the sampling efficiency of groundwater and reduces manual labor.

[0026] An electric telescopic rod 16 is transversely arranged inside the base plate 1 , one end of which can be pulled out to extend to the outside of the base plate 1 , and is rotatably connected to a guide wheel 17 adapted to a connecting rope 18 .

[0027] After the electric telescopic rod 16 is extended and retracted, it drives the guide wheel 17 to move, thereby being able to adjust the distance between the counterweight frame 19 and the device, so as to facilitate groundwater sampling in different environments.

[0028] An electric control component 14 is disposed in the inner cavity of the containing box 7 , and a box door 25 is disposed on the surface of the containing box 7 .

[0029] The leg structure includes a plurality of accommodating tubes 2, which are vertically fixedly connected to the lower surface of the base plate 1. The inner cavity of the accommodating tube 2 is vertically provided with a pull-out rod 4, and the bottom end of the pull-out rod 4 is fixedly connected with a universal wheel 5. The bottom end of the side wall of the accommodating tube 2 is provided with a bolt 3, and the surface of the pull-out rod 4 is provided with a plurality of card interfaces 6 adapted to the bolt 3.

[0030] After the pull rod 4 is pulled and moved inside the accommodating tube 2, the twist bolt 3 is inserted into the corresponding position of the card interface 6, so that the pull rod 4 and the accommodating tube 2 can be clamped and fixed. The device can adjust the height of the legs to facilitate movement to adapt to different terrains.

[0031] A push handle 24 is fixedly connected to the surface of the storage box 7 , and a heat dissipation window 15 is opened on the surface of the storage box 7 .

[0032] The winding mechanism includes a support frame 8, which is fixedly connected to the bottom of the inner wall of the receiving box 7. A rotating shaft 9 is rotatably arranged inside the support frame 8. A winding roller 10 is fixedly connected to the surface of the rotating shaft 9. One end of a connecting rope 18 is wound around the surface of the winding roller 10 and fixedly connected to the surface of the winding roller 10. A motor 11 is fixedly connected to the inner wall of the receiving box 7. A pulley 12 is fixedly connected to the output shaft of the motor 11 and the surface of the rotating shaft 9. The two pulleys 12 are connected through a transmission belt 13.

[0033] After the motor 11 starts working, it drives the pulley 12 on its output shaft to rotate, and then drives the rotating shaft 9 to rotate through the transmission belt 13 and another pulley 12, and then drives the winding roller 10 to rotate, so as to facilitate the winding or releasing operation of the connecting rope 18.

[0034] The working principle of the groundwater sampling device for hydrogeology provided by the utility model is as follows:

[0035] The winding mechanism works, and after the connecting rope 18 is released, the counterweight frame 19 sinks into the water flow due to the influence of gravity. When it sinks into the water flow at a specified depth, a solenoid valve 22 opens, and through the connection of the vertical pipe 21, a sampling bottle 20 takes water samples at the specified depth. After taking, a solenoid valve 22 is closed, and the counterweight frame 19 continues to descend. When the counterweight frame 19 descends to another specified depth, another solenoid valve 22 opens, and through the connection of the vertical pipe 21, another sampling bottle 20 takes water samples at the specified depth. Multiple water samples of different depths can be taken at one time.

[0036] Compared with the related art, the groundwater sampling device for hydrogeology provided by the utility model has the following beneficial effects:

[0037] The utility model provides a groundwater sampling device for hydrogeology. Through the operation of a winding mechanism, after the connecting rope 18 is released, a counterweight frame 19 sinks into the water flow under the influence of gravity. After sinking into the water flow at a specified depth, a solenoid valve 22 is opened, and through the connection of a vertical pipe 21, a sampling bottle 20 takes a water sample at the specified depth. After taking, a solenoid valve 22 is closed, and the counterweight frame 19 continues to descend. When the counterweight frame 19 descends to another specified depth, another solenoid valve 22 is opened, and through the connection of the vertical pipe 21, another sampling bottle 20 takes a water sample at the specified depth. A plurality of water samples at different depths can be taken at one time, and the operation is simple and fast, thereby improving the sampling efficiency of groundwater and reducing the manual labor. The scale mark 26 is convenient for the staff to check the diving depth of the counterweight frame 19, thereby improving the sampling accuracy. In addition, the device can adjust the height of the legs, so that it is convenient to move to adapt to different terrains.

[0038] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A groundwater sampling device for hydrogeology, comprising a bottom plate (1) and a sampling mechanism, It is characterized in that The lower surface of the bottom plate (1) is provided with a leg structure capable of adjusting the height, the upper surface of the bottom plate (1) is fixedly connected with a storage box (7), the inner cavity of the storage box (7) is provided with a connecting rope (18) via a winding mechanism, and the other end of the connecting rope (18) can be movably extended to the outside of the bottom plate (1); The sampling mechanism comprises a connecting bracket (23), wherein the connecting bracket (23) is fixedly connected to the other end of the connecting rope (18), the bottom of the connecting bracket (23) is fixedly connected to a counterweight frame (19), the top of the counterweight frame (19) is provided with a plurality of sampling bottles (20), the top of the sampling bottle (20) is connected to a vertical pipe (21), the vertical pipe (21) is provided with a solenoid valve (22), and the surface of the connecting rope (18) is provided with a scale mark (26).

2. The hydrogeological groundwater sampling device according to claim 1, It is characterized in that An electric telescopic rod (16) is transversely arranged inside the base plate (1), one end of which can be pulled out to extend to the outside of the base plate (1) and is rotatably connected to a guide wheel (17) adapted to the connection rope (18).

3. The hydrogeological groundwater sampling device according to claim 1, It is characterized in that The inner cavity of the containing box (7) is provided with an electric control component (14), and the surface of the containing box (7) is provided with a box door (25).

4. The groundwater sampling device for hydrogeology according to claim 1, It is characterized in that The leg structure comprises a plurality of accommodating tubes (2), wherein the plurality of accommodating tubes (2) are vertically fixedly connected to the lower surface of the base plate (1), the inner cavity of the accommodating tube (2) is vertically provided with a pull-out rod (4) capable of being pulled out, the bottom end of the pull-out rod (4) is fixedly connected with a universal wheel (5), the bottom end of the side wall of the accommodating tube (2) is provided with a bolt (3), and the surface of the pull-out rod (4) is provided with a plurality of card interfaces (6) adapted to the bolt (3).

5. The hydrogeological groundwater sampling device according to claim 1, It is characterized in that A push handle (24) is fixedly connected to the surface of the containing box (7), and a heat dissipation window (15) is provided on the surface of the containing box (7).

6. The groundwater sampling device for hydrogeology according to claim 1, It is characterized in that The winding mechanism comprises a support frame (8), the support frame (8) is fixedly connected to the bottom of the inner wall of the containing box (7), a rotating shaft (9) is rotatably arranged inside the support frame (8), a winding roller (10) is fixedly connected to the surface of the rotating shaft (9), one end of the connecting rope (18) is wound around the surface of the winding roller (10) and is fixedly connected to the surface of the winding roller (10), a motor (11) is fixedly connected to the inner wall surface of the containing box (7), the output shaft of the motor (11) and the surface of the rotating shaft (9) are both fixedly connected to pulleys (12), and the two pulleys (12) are connected by a transmission belt (13).

7. The groundwater sampling device for hydrogeology according to claim 1, It is characterized in that One end surface of the containing box (7) is vertically provided with a through hole for the connecting rope (18) to move.

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