CN115586343B

CN115586343B - Underground water dynamic monitoring and automatic sampling device

Info

Publication number: CN115586343B
Application number: CN202211245812.3A
Authority: CN
Inventors: 冯翔; 杨坡; 匡恒; 王永辉; 李自涛; 吴冰华; 王豫飞; 唐辉; 马晓宇
Original assignee: HENAN GEOL SCIENT RES I; Henan Geological Research Institute
Current assignee: HENAN GEOL SCIENT RES I; Henan Geological Research Institute
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-05-12
Anticipated expiration: 2042-10-08
Also published as: CN115586343A

Abstract

The invention discloses a dynamic monitoring and automatic sampling device for underground water, which comprises an environment monitoring well and a PLC control module which are vertically arranged on the ground, wherein a movable detection device is arranged on the side of the environment monitoring well, the detection device comprises a movable plate supported on the ground, an L-shaped plate is fixedly arranged at the top end of the movable plate, a U-shaped frame is fixedly arranged at the bottom end of the L-shaped plate, an I-shaped wire collecting roller is arranged between the U-shaped frames, and a driving motor is fixedly arranged on the back surface of the U-shaped frame. The beneficial effects are that: the submerged pump is driven to lift together with the signal monitoring unit, so that hydrologic information of different groundwater depths is monitored, a user adjusts and rolls the submerged pump to enable the submerged pump to move to a sampling point position within the range of the lift, a power supply of the submerged pump is started, water quality sample collection work is carried out through the submerged pump, a collection vessel can store groundwater samples collected by the submerged pump, and therefore water quality detection is carried out, and indexes such as heavy metal content, COD index and the like in water are analyzed and measured.

Description

Underground water dynamic monitoring and automatic sampling device

Technical Field

The invention relates to the technical field of environmental protection and hydrologic monitoring, in particular to a dynamic monitoring and automatic sampling device for underground water.

Background

Groundwater is a valuable source of fresh water for humans, which not only provides a considerable source of potable water for humans, but also supports agricultural planting and industrial production activities. However, with the continuous development of the social industrialization process, the problems of groundwater pollution are increasingly prominent due to unreasonable discharge of industrial three wastes and the like, particularly urban domestic sewage and landfill leachate, and chemical fertilizers, pesticides and the like used in agricultural production, and the quality of groundwater sources and groundwater environment is seriously affected. It is reported that the eastern main plain with abundant water resources in China can drink 47.9% of the groundwater resources directly or can be drunk after proper treatment, and 52.1% of the groundwater resources which cannot be drunk directly. With the continuous expansion of the groundwater pollution range and the continuous deepening of the pollution degree, the water resources on which human beings depend to live are increasingly deficient, and threatens and challenges to human health, food safety, drinking water safety, regional ecological environment and sustainable development of society are constituted. The technology for monitoring and repairing groundwater has become an environmental problem currently concerned by the public and society, and is particularly important for monitoring and investigating groundwater environment. The existing underground water monitoring technology and equipment mainly have the problems that the integrity and accuracy of monitoring information are not high, the automation degree of underground water sample collection is not enough, and the like.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

The invention aims to provide a device for dynamically monitoring and automatically sampling groundwater so as to solve the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions:

the utility model provides a groundwater dynamic monitoring and automatic sampling device, includes is provided with environment monitoring well and PLC control module perpendicularly on subaerial, the avris of environment monitoring well is provided with portable detection device, detection device is including supporting subaerial movable plate, the fixed L template that is equipped with in movable plate top, L template bottom mounting is equipped with U type frame, be equipped with the receipts line roller for the I shape between the U type frame, the fixed driving motor that is equipped with in the back of U type frame, driving motor connects receive line roller, receive line roller's one end surface fixed engagement gear that is equipped with, the inside one side that is located receive line roller of U type frame is equipped with the vice receipts line roller, vice receipts line roller with receive line roller's one end face fixed be equipped with the vice engagement gear that meshes mutually of engagement gear, vice receipts line roller with all twine and be equipped with on the receipts line roller, the winding rope bottom end connection on the auxiliary winding roller is provided with a signal monitoring unit, the winding rope bottom end connection on the winding roller is provided with a sampling unit, the sampling unit comprises a submersible pump, the submersible pump is provided with a cable and a sampling pipeline, the top end of the movable plate is provided with a collecting dish, the movable plate is connected with the environment monitoring well through a fixing component, the bottom end of the submersible pump is provided with a water suction pipe, the water suction pipe is provided with a fine filtering component, the PLC control module comprises an A/D converter and a PLC unit which are arranged in a shell, the signal output end of the signal monitoring unit is electrically connected with the signal input end of the A/D converter, the signal output end of the A/D converter is electrically connected with the signal input end of the PLC unit, the signal input end of the submersible pump is electrically connected with the signal output end of the PLC unit, the signal input end of the driving motor is electrically connected with the signal output end of the PLC unit, and a signal transceiver is arranged in the PLC unit.

Furthermore, the U-shaped frame inner wall is embedded with a first bearing, the output end of the driving motor penetrates through the first bearing and is fixedly connected with the outer side wall of the wire winding roller, the outer wall of the U-shaped frame is fixedly provided with a second bearing, and the middle shaft at the other end of the wire winding roller fixedly penetrates into the inner wall of the second bearing.

Further, the bull stick of wearing out is all fixed to the both ends axis of vice admission roller, all set up on the outer wall of U type frame both ends and supply the horizontal logical groove that the bull stick worn out, the end of wearing out of bull stick all overlaps and is equipped with the bearing three, fixed the locating piece that is equipped with on the bearing three, the locating piece is T type piece, all set up on the outer wall of U type frame both ends and be located horizontal logical groove top's constant head tank, the locating piece passes through the screw rod to be fixed in the constant head tank.

Further, the fixed subassembly is including fixing the fixed plate of environment monitoring well outer wall both sides, the movable plate is located set up the setting groove in one side of environment monitoring well, the equal swing joint in inner wall both sides in setting groove has the connecting plate, the connecting plate passes through the screw fixation and is in on the fixed plate.

Further, an iron sheet is embedded on the inner side surface of one end of the connecting plate, and a magnetic sheet attracted with the iron sheet is embedded on the inner wall of the groove.

Further, the fine filtering component comprises an external thread cylinder which is threaded into the water suction pipe, the external thread cylinder comprises a filtering frame which is fixed inside the external thread cylinder, a filtering fine net is arranged inside the filtering frame, a circular filtering frame which is positioned below the filtering frame is fixedly arranged on the inner wall of the external thread cylinder, a plurality of partition boards are fixedly arranged between the circular filtering frames, a cross-shaped filter screen is fixedly arranged between the partition boards, a circular column is fixedly arranged in the middle of the filtering frame, a penetrating rod is movably arranged on the circular column, a plurality of connecting brackets are fixedly arranged at the bottom of the penetrating rod, crushing teeth are uniformly distributed on the outer surface of the connecting brackets, a bearing is sleeved on the top of the penetrating rod, a thin rod is fixedly arranged on the outer wall of the bearing, and two ends of the thin rod are fixedly arranged on the inner wall of the external thread cylinder.

Further, a vertical plate is fixedly arranged on the outer wall of the U-shaped frame, circular rings are respectively and fixedly arranged on the vertical plate through two fixing rods, and the winding ropes on the winding roller penetrate through the circular rings.

Further, the auxiliary vertical plate is fixedly arranged on the outer wall of the U-shaped frame, auxiliary circular rings are respectively and fixedly arranged on the auxiliary vertical plate through two auxiliary fixing rods, the winding ropes on the auxiliary winding rollers penetrate through the auxiliary circular rings, and the fixing plate positioned between the two fixing rods is fixedly arranged on the vertical plate.

Further, the fixed plate front is connected with a ranging roller through five rotations of a bearing, a counting gear is fixedly arranged on the ranging roller, a photoelectric counter is arranged on the counting gear, and a plurality of through holes are uniformly formed in one circle of the counting gear.

Further, the winding rope bottom part is three-ply connecting ropes, the top of the submersible pump is fixedly provided with a top plate, the top of the top plate is fixedly provided with three connecting rings matched with the connecting ropes, the signal transceiver is compatible with Bluetooth, infrared and short-wave communication, the PLC unit comprises a CPU, a memory and an expansion interface, the memory is in bidirectional electric connection with the CPU, the expansion interface is in bidirectional electric connection with the CPU, the signal transceiver is in bidirectional electric connection with the CPU, and the signal monitoring unit comprises an image acquisition module, an illumination module, a temperature acquisition module, a hydrologic detection module and a pressure sensor.

Compared with the prior art, the invention has the following beneficial effects:

the signal monitoring unit performs corresponding waterproof treatment, the electrical components in the embodiment are all electrically connected with an external main controller and 220V mains supply, the main controller can be conventional known equipment such as a computer for controlling, when the signal monitoring unit is used, measurement and positioning are performed firstly, then vertical well drilling is performed at the ground end of the ground water monitoring and sampling point, and the depth of the environmental monitoring 1 is determined according to the ground water level condition;

after the device is built, the whole device of the device is quickly moved to the side of an environment monitoring well through the moving plate, then the whole mobile device is fixed through the fixing component, so that the fixed device is prevented from moving, the stability of detection is guaranteed, the winding roller is driven to rotate through a designed driving motor, a winding rope and a submersible pump are driven to lift, the height position of the submersible pump is adjusted, the auxiliary winding roller is meshed with the auxiliary winding roller through a meshing gear and a secondary meshing gear, the auxiliary winding roller can be indirectly connected with the winding roller, the auxiliary winding roller and the winding roller can synchronously rotate, the submersible pump and the signal monitoring unit can be driven to lift together, the hydrological information of different groundwater depths is monitored, a user can adjust the winding to enable the submersible pump to move to a sampling point in a lifting range, the power supply of the submersible pump is started, the water quality sample collection work is carried out through the submersible pump, the collection vessel can store the groundwater sample collected by the submersible pump, and accordingly the water quality detection is carried out, and indexes such as heavy metal content and COD index in water are analyzed and measured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of a groundwater dynamic monitoring and automatic sampling device according to an embodiment of the invention;

FIG. 2 is a schematic view of a take-up roller installation of a groundwater dynamic monitoring and automatic sampling device according to an embodiment of the invention;

FIG. 3 is a schematic illustration of a stationary assembly of a groundwater dynamic monitoring and automatic sampling device according to an embodiment of the invention;

FIG. 4 is a schematic diagram of a fine filter assembly of a groundwater dynamic monitoring and automatic sampling device according to an embodiment of the invention;

FIG. 5 is a schematic diagram of a connection ring of a groundwater dynamic monitoring and automatic sampling device according to an embodiment of the invention;

FIG. 6 is a diagram of a stationary plate profile of a groundwater dynamic monitoring and automatic sampling device according to an embodiment of the invention;

fig. 7 is an electrical schematic diagram of an apparatus for dynamically monitoring and automatically sampling groundwater in accordance with an embodiment of the invention.

Reference numerals:

1. an environmental monitoring well; 2. a moving plate; 3. an L-shaped plate; 4. a U-shaped frame; 5. a wire winding roller; 6. a driving motor; 7. a meshing gear; 8. an auxiliary wire-rewinding roller; 9. winding the rope; 10. submersible pump; 11. a cable; 12. a sampling pipe; 13. collecting a dish; 14. a water suction pipe; 15. a PLC control module; 16. an A/D converter; 17. a PLC unit; 18. a signal transceiver; 19. a second bearing; 20. a rotating rod; 21. a transverse through groove; 22. a third bearing; 23. a positioning block; 24. a positioning groove; 25. a fixing plate; 26. a groove is arranged; 27. a connecting plate; 28. iron sheet; 29. a magnetic sheet; 30. an external thread cylinder; 31. a filter frame; 32. a circular filter frame; 33. a partition plate; 34. a filter screen; 35. a circular column; 36. penetrating the rod; 37. a connecting bracket; 38. crushing teeth; 39. a bearing IV; 40. a thin rod; 41. a riser; 42. an auxiliary vertical plate; 43. a circular ring; 44. a fixing plate; 45. a ranging roller; 46. a counting gear; 47. a photoelectric counter; 48. and a connecting ring.

Detailed Description

The invention is further described below with reference to the accompanying drawings and detailed description:

in order that the above objects, features and advantages of the invention will be more clearly understood, a further description of the invention will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as described herein, and therefore the present invention is not limited to the specific embodiments of the disclosure that follow.

Embodiment one:

referring to fig. 1-7, an apparatus for dynamically monitoring and automatically sampling groundwater according to an embodiment of the invention comprises an environmental monitoring well 1 and a PLC control module 15 vertically arranged on the ground, wherein a movable detection device is arranged at the side of the environmental monitoring well 1, the detection device comprises a movable plate 2 supported on the ground, an L-shaped plate 3 is fixedly arranged at the top end of the movable plate 2, a U-shaped frame 4 is fixedly arranged at the bottom end of the L-shaped plate 3, a winding roller 5 with an i-shape is arranged between the U-shaped frames 4, a driving motor 6 is fixedly arranged at the back of the U-shaped frame 4, the driving motor 6 is connected with the winding roller 5, a meshing gear 7 is fixedly arranged at the outer surface of one end of the winding roller 5, an auxiliary winding roller 8 with an i-shape is arranged at one side of the winding roller 5 inside the U-shaped frame 4, an auxiliary meshing gear meshed with the meshing gear 7 is fixedly arranged on one end face of the auxiliary winding roller 8, winding ropes 9 are wound on the auxiliary winding roller 8 and the winding roller 5, a signal monitoring unit is connected with the bottom ends of the winding ropes 9 on the auxiliary winding roller 8, a sampling unit is connected with the bottom ends of the winding ropes 9 on the winding roller 5 and comprises a submersible pump 10, the submersible pump 10 is provided with a cable 11 and a sampling pipeline 12, a collecting dish 13 is arranged at the top end of the movable plate 2, the movable plate 2 is connected with the environment monitoring well 1 through a fixing component, a water suction pipe 14 is arranged at the bottom end of the submersible pump 10, a fine filtering component is arranged on the water suction pipe 14, the PLC control module 15 comprises an A/D converter 16 and a PLC unit 17 which are arranged inside a shell, the signal output part of the signal monitoring unit is electrically connected with the signal input part of the a/D converter 16, the signal output part of the a/D converter 16 is electrically connected with the signal input part of the PLC unit 17, the signal input part of the submersible pump 10 is electrically connected with the signal output part of the PLC unit 17, the signal input part of the driving motor 6 is electrically connected with the signal output part of the PLC unit 17, and a signal transceiver 18 is arranged in the PLC unit 17.

Embodiment two:

referring to fig. 1, a first bearing is embedded in the inner wall of the U-shaped frame 4, an output end of the driving motor 6 passes through the first bearing and is fixedly connected with an outer side wall of the wire winding roller 5, a second bearing 19 is fixedly arranged on the outer wall of the U-shaped frame 4, a middle shaft at the other end of the wire winding roller 5 fixedly penetrates into an inner ring inner wall of the second bearing 19, rotating rods 20 penetrating out of the U-shaped frame 4 are fixedly arranged at middle shafts at two ends of the auxiliary wire winding roller 8, transverse through grooves 21 for penetrating out of the rotating rods 20 are formed in the outer walls at two ends of the U-shaped frame 4, a third bearing 22 is sleeved at the penetrating ends of the rotating rods 20, a positioning block 23 is fixedly arranged on the third bearing 22, the positioning block 23 is a T-shaped block, positioning grooves 24 positioned above the transverse through grooves 21 are formed in the outer walls at two ends of the U-shaped frame 4, and the positioning block 23 is fixedly arranged in the positioning grooves 24 through screws.

Through the scheme of the invention, the beneficial effects are that: the design of bearing guarantees the pivoted stability of corresponding part, this application's vice receipts line roller 8 is can remove, through bull stick 20 of design, three and horizontal logical groove 21 of bearing, not only guarantee to move vice receipts line roller 8 and have the mobility, make its vice receipts line roller 8 be close to and mesh receipts line roller, therefore two rollers can carry out synchronous motion, after moving, fix locating piece 23 in constant head tank 24 through the screw rod, and need not influence vice receipts line roller 8's rotation, when need not detect with signal monitoring unit, detachable vice receipts line roller 8, avoid signal monitoring unit to carry out unnecessary work and detect and need the drainage, cause signal monitoring unit's life greatly reduced.

Embodiment III:

referring to fig. 1 and 3, the fixing assembly includes a fixing plate 25 fixed on two sides of an outer wall of the environmental monitoring well 1, the moving plate 2 is located on one side of the environmental monitoring well 1, a setting groove 26 is formed in the moving plate, two sides of an inner wall of the setting groove 26 are movably connected with a connecting plate 27, the connecting plate 27 is fixed on the fixing plate 25 through screws, an iron sheet 28 is embedded on an inner side surface of one end of the connecting plate 27, and a magnetic sheet 29 attracted to the iron sheet 28 is embedded on an inner wall of the setting groove 26.

Through the scheme of the invention, the beneficial effects are that: when the universal pulley is used, universal pulleys are designed at four corners of the bottom of the movable plate, so that the labor saving of equipment movement is guaranteed, before movement is completed, the plates 27 are connected in advance, the plates 27 are corresponding to the fixed plates 25 and are fixed with each other, the plates 27 are not fixed, and the plates 27 are fixedly accommodated in the set grooves 26 in a sucking mode.

Embodiment four:

referring to fig. 4, the fine filtering component includes an external thread cylinder 30 threaded into the water suction pipe 14, the external thread cylinder 30 includes a filtering frame 31 fixed inside the external thread cylinder 30, a filtering fine net is arranged inside the filtering frame 31, a circular filtering frame 32 positioned below the filtering frame 31 is fixedly arranged on the inner wall of the external thread cylinder 30, a plurality of separating plates 33 are fixedly arranged between the circular filtering frames 32, a cross-shaped filtering net 34 is fixedly arranged between the separating plates 33, circular columns 35 are fixedly arranged in the middle of the filtering frame 31 and the circular filtering frame 32, penetrating rods 36 movably penetrate through the circular columns 35, a plurality of connecting brackets 37 are fixedly arranged at the bottom of the penetrating rods 36, crushing teeth 38 are uniformly distributed on the outer surface of the connecting brackets 37, four bearings 39 are sleeved at the top of the penetrating rods 36, fine rods 40 are fixedly arranged on the outer walls of the four bearings 39, and two ends of each fine rod 40 are fixedly arranged on the inner wall of the external thread cylinder 30.

Through the scheme of the invention, the beneficial effects are that: the filter screen 34 that is cross-shaped carries out the first time's double filtration, finally carries out fine filtration through filtering the fine mesh, avoids impurity to inhale in the pump body, causes the inside jam of pump body, and rivers can drive the rotation of support and crushing tooth 38 in the absorptive, consequently guarantee that the impurity in the aquatic can carry out preliminary effective crushing, avoid too big volumetric impurity to block up the filter screen, cause the unsmooth of follow-up sample.

Fifth embodiment:

referring to fig. 1 and 6, a riser 41 is fixedly arranged on the outer wall of the U-shaped frame 4, rings are respectively and fixedly arranged on the riser 41 through two fixing rods, a winding rope 9 on the winding roller 5 passes through the rings 43, an auxiliary riser 42 is fixedly arranged on the outer wall of the U-shaped frame 4, auxiliary rings are respectively and fixedly arranged on the auxiliary riser 42 through two auxiliary fixing rods, the winding rope 9 on the auxiliary winding roller 8 passes through the auxiliary rings, a fixing plate 44 positioned between the two fixing rods is fixedly arranged on the riser 41, a ranging roller 45 is fixedly connected to the front surface of the fixing plate 44 through five rotations of a bearing, a counting gear 46 is fixedly arranged on the ranging roller 45, a photoelectric counter 47 is arranged on the counting gear 46, and a plurality of through holes are uniformly formed in one circle of the counting gear 46.

Through the scheme of the invention, the beneficial effects are that: the design of ring 43 and vice ring guarantees that the rope passes, and consequently the rope has certain stability when going up and down, can drive when the rope goes up and down, the rotation that distance measurement gyro wheel and count gear were also, and the through-hole on the count gear rotates in proper order, and photoelectric counter passes through the through-hole transmission and receives infrared ray to output pulse signal gives the controller, counts, calculates the distance or the length of rope that distance measurement gyro wheel measured, consequently can the effectual degree of depth in the control detection water.

Example six:

referring to fig. 5 and 7, the bottom of the winding rope 9 is three connecting ropes, a top plate is fixedly arranged at the top end of the submersible pump 10, three connecting rings 48 matched with the connecting ropes are fixedly arranged at the top end of the top plate, the signal transceiver is compatible with bluetooth, infrared and short wave communication, the PLC unit 17 comprises a CPU, a memory and an expansion interface, the memory is electrically connected with the CPU in a bidirectional manner, the expansion interface is electrically connected with the CPU in a bidirectional manner, the signal transceiver 18 is electrically connected with the CPU in a bidirectional manner, and the signal monitoring unit comprises an image acquisition module, an illumination module, a temperature acquisition module, a hydrologic detection module and a pressure sensor.

Through the scheme of the invention, the beneficial effects are that: during detection, water temperature, turbidity, pH value and the like can be transmitted to a memory in the PLC unit after information acquisition, the PLC unit transmits to a remote control end through a signal transceiver, the PLC unit is a programmable unit, working time and moving distance of a servo motor can be set, continuous dynamic monitoring work is achieved, labor is saved, after an environment monitoring well 1 is washed, signals are monitored by the signal monitoring unit and transmitted to the remote control end, the remote control end displays information, mainly a display screen, a user observes and feeds back water quality information, after groundwater quality index parameters reach stability, a user adjusts groundwater samples collected by a submersible pump, water quality detection is conducted, indexes such as heavy metal content and COD index in groundwater are analyzed and measured, integrity of groundwater information acquisition and real-time of information transmission can be effectively achieved through the signal monitoring unit, accuracy is improved for groundwater environment monitoring and sample acquisition, the set signal transceiver can conduct remote information transmission in time, meanwhile, manual work and water environment can be controlled by the PLC control module, and work cost and material cost of sampling of groundwater are saved.

When in practical application, the signal monitoring unit performs corresponding waterproof treatment, the electrical components appearing in the embodiment are all connected with an external main controller and 220V mains supply, the main controller can be conventional known equipment such as a computer which plays a role in control, measurement and positioning are firstly performed when in use, then vertical well drilling is performed at the ground end of the ground water monitoring and sampling point, and the depth of the environmental monitoring well 1 is determined according to the ground water level condition.

After the construction, remove the environment monitoring well 1 avris through movable plate 2 with the whole equipment of this application fast, then fix whole mobile device through fixed subassembly, consequently, guarantee that the equipment after fixing can not produce the removal, guarantee the stability of detection, drive the take-up roll 5 through the driving motor of design and rotate, consequently, drive the winding rope 9 and the immersible pump 10 on it go up and down, make its altitude position of adjusting immersible pump 10, because vice take-up roll 8 through the meshing of meshing gear 7 and vice meshing gear, guarantee that vice take-up roll 8 can carry out indirect connection with take-up roll 5, both can rotate in step, consequently, can drive immersible pump 10 and signal monitoring unit go on going up and down together, thereby monitor the hydrologic information of different groundwater degree of depth, the user adjusts the rolling and makes immersible pump 10 remove the sampling point position in the range, start the power of immersible pump 10, carry out water quality sample collection work through immersible pump 10, collect the groundwater sample that the ware 13 can store immersible pump 10 gathers, thereby carry out the detection of quality of water, heavy metal content and COD index etc. in the analysis survey water.

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 therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an underground water dynamic monitoring and automatic sampling device, its characterized in that, including being provided with environment monitoring well (1) and PLC control module (15) perpendicularly on subaerial, the avris of environment monitoring well (1) is provided with portable detection device, detection device is including supporting subaerial movable plate (2), fixed L template (3) that are equipped with in movable plate (2) top, L template (3) bottom mounting is equipped with U type frame (4), be equipped with between U type frame (4) and be H-shaped take-up roller (5), the fixed driving motor (6) that are equipped with in the back of U type frame (4), driving motor (6) are connected take-up roller (5), the one end surface mounting of take-up roller (5) is equipped with meshing gear (7), the inside being located of U type frame (4) one side of take-up roller (5) is equipped with vice take-up roller (8), the one end face of vice roller (8) be equipped with meshing vice gear (7), take-up roller (9) are equipped with on the take-up unit (9) of taking-up, take-up unit (9) are equipped with on the take-up unit (9), the sampling unit comprises a submersible pump (10), the submersible pump (10) is provided with a cable (11) and a sampling pipeline (12), a collection dish (13) is arranged at the top end of a movable plate (2), the movable plate (2) is connected with an environmental monitoring well (1) through a fixed component, a water suction pipe (14) is arranged at the bottom end of the submersible pump (10), a fine filtering component is arranged on the water suction pipe (14), the PLC control module (15) comprises an A/D converter (16) and a PLC unit (17) which are arranged in a shell, the signal output end of the signal monitoring unit is electrically connected with the signal input end of the A/D converter (16), the signal output end of the A/D converter (16) is electrically connected with the signal input end of the PLC unit (17), the signal input end of the driving motor (6) is electrically connected with the signal output end of the PLC unit (17), the signal output end of the PLC unit (17) is internally provided with a signal output end of the PLC unit (17), the two ends of the rotating rod (17) are provided with a shaft (20) which penetrates through a transverse roller (20) and the two ends of the roller (20), the utility model discloses a grinding device for the coal mine comprises a rotary rod (20), a rotary rod (20) and a plurality of filtering columns (37) and is characterized in that a bearing three (22) is sleeved at the penetrating end of the rotary rod (20), a positioning block (23) is fixedly arranged on the bearing three (22), the positioning block (23) is a T-shaped block, positioning grooves (24) above the transverse through grooves (21) are formed in the outer walls of two ends of the U-shaped frame (4), the positioning block (23) is fixedly arranged in the positioning grooves (24) through screws, the fine filtering component comprises an external thread cylinder (30) penetrating into the water suction pipe (14) through threads, the external thread cylinder (30) comprises a filtering frame (31) fixed in the external thread cylinder (30), a filtering fine net is arranged in the filtering frame (31), round filtering frames (32) arranged below the filtering frame (31) are fixedly arranged on the inner walls of the external thread cylinder (30), a plurality of partition plates (33) are fixedly arranged between the round filtering frames (32), a cross round (34) is fixedly arranged between the partition plates (33), the filtering frames (31) and the middle part (32) is provided with a plurality of filtering columns (35) which are fixedly arranged, a plurality of filtering columns (37) penetrate through the round filtering columns (37) and are uniformly arranged on the bottom of the fixed columns (35), the utility model discloses a novel automatic counting device for the electric motor is characterized in that a bearing four (39) is sleeved at the top of a penetrating rod (36), a thin rod (40) is fixedly arranged on the outer wall of the bearing four (39), two ends of the thin rod (40) are fixed on the inner wall of an external thread cylinder (30), a vertical plate (41) is fixedly arranged on the outer wall of a U-shaped frame (4), circular rings are respectively fixedly arranged on the vertical plate (41) through two fixing rods, a winding rope (9) on a winding roller (5) penetrates through the circular rings (43), a fixing plate (44) positioned between the two fixing rods is fixedly arranged on the vertical plate (41), a ranging roller (45) is positively connected through five rotations of the bearing, a counting gear (46) is fixedly arranged on the ranging roller (45), and a plurality of through holes are uniformly formed in a circle of the counting gear (46).

2. The underground water dynamic monitoring and automatic sampling device according to claim 1, wherein a first bearing is arranged on the inner wall of the U-shaped frame (4) in an embedded mode, the output end of the driving motor (6) penetrates through the first bearing and is fixedly connected with the outer side wall of the wire winding roller (5), a second bearing (19) is fixedly arranged on the outer wall of the U-shaped frame (4), and a middle shaft at the other end of the wire winding roller (5) fixedly penetrates into the inner wall of the second bearing (19).

3. The underground water dynamic monitoring and automatic sampling device according to claim 2, wherein the fixing assembly comprises fixing plates (25) fixed on two sides of the outer wall of the environmental monitoring well (1), the moving plate (2) is located on one side of the environmental monitoring well (1) and provided with a setting groove (26), two sides of the inner wall of the setting groove (26) are movably connected with connecting plates (27), and the connecting plates (27) are fixed on the fixing plates (25) through screws.

4. A groundwater dynamic monitoring and automatic sampling device according to claim 3, characterized in that an iron sheet (28) is embedded on an inner side surface of one end of the connecting plate (27), and a magnetic sheet (29) attracted with the iron sheet (28) is embedded on an inner wall of the setting groove (26).

5. The underground water dynamic monitoring and automatic sampling device according to claim 4, wherein an auxiliary vertical plate (42) is fixedly arranged on the outer wall of the U-shaped frame (4), auxiliary circular rings are fixedly arranged on the auxiliary vertical plate (42) through two auxiliary fixing rods respectively, and the winding ropes (9) on the auxiliary winding rollers (8) penetrate through the auxiliary circular rings.

6. The underground water dynamic monitoring and automatic sampling device according to claim 5, wherein the bottom of the winding rope (9) is three-strand connecting ropes, a top plate is fixedly arranged at the top end of the submersible pump (10), three connecting rings (48) matched with the connecting ropes are fixedly arranged at the top end of the top plate, the signal transceiver is compatible with Bluetooth, infrared and short wave communication, the PLC unit (17) comprises a CPU, a memory and an expansion interface, the memory is electrically connected with the CPU in a bidirectional manner, the expansion interface is electrically connected with the CPU in a bidirectional manner, the signal transceiver (18) is electrically connected with the CPU in a bidirectional manner, and the signal monitoring unit comprises an image acquisition module, an illumination module, a temperature acquisition module, a hydrologic detection module and a pressure sensor.