Underground water sampling equipment in geological survey work

Abstract

The invention discloses underground water sampling equipment in geological survey work, and relates to the technical field of underground water sampling in geological survey, through cooperative arrangement of a mounting plate, a water depth detection sensor, a support leg structure, a control panel, a retractable structure, a hose, a sampling pipe, a water absorption structure, a layered collection structure and an air blowing structure; the equipment can perform stratified sampling and rapid stratified collection operation on underground water with different depths, and the collected underground water is sealed and stored, so that the sampling effect and quality of the underground water in geological exploration work are greatly improved; meanwhile, the equipment has an anti-blocking function, when the water absorption state of the water absorption structure is inconsistent with the stable water absorption state, the water absorption structure stops working, meanwhile, the air blowing structure works and blows air flow to the hose and the sampling pipe, blocking treatment operation on the hose and the sampling pipe is achieved, and the equipment has high use value and high generalization performance.

Description

Technical Field

[0001] The invention relates to the technical field of groundwater sampling in geological exploration, in particular to groundwater sampling equipment in geological exploration work. Background Art

[0002] Geological survey refers to the investigation and research of geological conditions such as rocks, strata, structures, minerals, hydrology and landforms in a certain area through various means and methods. It includes investigating and studying the hydrogeological conditions of the survey area, analyzing and evaluating the distribution of groundwater resources, proposing suggestions for exploitation and utilization, predicting possible environmental geological problems, and proposing prevention and control countermeasures. In geological survey, hydrological surveys generally require sampling of groundwater, testing of the sampled groundwater and analysis of the corresponding data.

[0003] When sampling groundwater, it is necessary to drill holes in the ground in advance before the sampling tube can be inserted into the ground to collect water samples. The existing groundwater sampling equipment has the following problems: first, the sampling effect is poor and the sampling is inaccurate. It is not possible to effectively perform stratified sampling and rapid stratified collection operations on groundwater at different depths, which is not conducive to the rapid implementation of geological survey operations; second, it is not possible to effectively and quickly seal the sampled groundwater, resulting in the sampled groundwater being easily mixed with impurities, thereby causing inaccurate sampling samples and affecting the accuracy of water sample analysis results; third, when the water flow is collected through the hose, the inside of the hose will be blocked by mud and sand, and the tube head will not be able to absorb water normally due to the blockage problem, which is inconvenient for the normal implementation of subsequent operations. Summary of the invention

[0004] In order to overcome the defects in the prior art that groundwater at different depths cannot be effectively sampled and quickly collected in layers, and that the sampled groundwater cannot be quickly sealed and the hose blocked, the present invention provides a groundwater sampling device for geological survey work.

[0005] The technical solution adopted by the present invention to solve its technical problems is: a groundwater sampling device for geological survey work, including a mounting plate, four height-adjustable leg structures are installed at the bottom of the mounting plate, a retractable structure, a hose, a water absorption structure, a layered collection structure and an air blowing structure are installed on the mounting plate, the hose is installed on the retractable structure, the retractable structure reels in or releases the hose, a guide tube is installed through the mounting plate, the guide tube is located below the retractable structure, one end of the hose passes through the guide tube and is installed with a sampling tube, a counterweight block and a water depth detection sensor are installed on the hose above the sampling tube, and the other end of the hose is connected to the water absorption structure and the air blowing structure through a tee; the water outlet end of the water absorption structure is connected to the layered collection structure, a control panel is provided on the mounting plate, and the control panel is electrically connected to the retractable structure, the water depth detection sensor, the water absorption structure, the layered collection structure and the air blowing structure.

[0006] As a further improvement of the present invention, the leg structure includes an internal threaded tube, an external threaded tube, a mounting seat and a steel ball; the internal threaded tube is vertically arranged at the bottom of the mounting plate, and the internal threaded tube is connected to the external threaded tube through the internal thread, and a steel ball is installed at the bottom end of the external threaded tube through the mounting seat.

[0007] As a further improvement of the present invention, the retractable structure includes a mounting frame, a rotating roller, a winding wheel and a driving motor; the mounting frame is arranged on the mounting plate, and two rotating rollers are horizontally symmetrically arranged on the mounting frame, and the two rotating rollers are connected to the winding wheel for installing the hose, and one of the rotating rollers is connected to the driving motor.

[0008] As a further improvement of the present invention, the sampling tube includes a vertical tube and a filter screen cover; the vertical tube is connected to the bottom end of the hose, and the bottom end of the vertical tube is threadedly connected to the filter screen cover.

[0009] As a further improvement of the present invention, the water absorption structure includes a water pump, a water inlet pipe, a water outlet pipe, a detector and a first solenoid valve; the water pump is connected to the water inlet pipe and the water outlet pipe, the water inlet pipe is connected to the tee, and the detector and the first solenoid valve are installed on the water inlet pipe, the detector adopts a liquid flow meter or a pressure gauge, and the water outlet pipe is connected to the layered collection structure.

[0010] As a further improvement of the present invention, the layered collection structure includes a collection box, a door body, a water pipe, a rotating motor, a turntable, a receiving seat and a sampling bottle; the collection box is installed on a mounting plate and has a door body thereon, a water pipe connected to a water outlet pipe is provided on the top of the collection box, a rotating motor is installed in the collection box, the rotating motor is connected to a turntable, a plurality of receiving seats are provided on the circumference of the turntable, sampling bottles are placed in the receiving seats, the rotating motor is operated to rotate the turntable once, and the sampling bottle moves to the bottom of the water pipe for collection operation.

[0011] As a further improvement of the present invention, each receiving seat is provided with a number corresponding to the sampling depth, and the numbers are arranged from low depth to high depth, and each time the rotating motor operates once, the receiving seat rotates from low depth to high depth.

[0012] As a further improvement of the present invention, the sampling bottle includes a weighing device, a bottle body, a water inlet, a control button, a telescopic cylinder and a sealing plate; the bottle body is provided on the weighing device, the water inlet is provided on the top of the bottle body, a control button is provided on the side of the bottle body to open the water inlet, and two telescopic cylinders are horizontally symmetrically provided in the bottle body, and the two telescopic cylinders are each connected to a sealing plate with a semicircular structure. The two semicircular sealing plates are located below the water inlet and are combined to form a circular sealing cover for sealing the bottom of the water inlet pipe.

[0013] As a further improvement of the present invention, the blowing structure includes an air pump, an air blowing pipe and a second solenoid valve; the air pump is connected to the air blowing pipe, the end of the air blowing pipe is connected to the tee, and the second solenoid valve is installed on the air blowing pipe.

[0014] As a further improvement of the present invention, a push handle is provided on the mounting plate.

[0015] Compared with the prior art, the present invention has the following beneficial effects: the present invention enables the equipment to perform stratified sampling and rapid stratified collection operations on groundwater at different depths through the coordinated arrangement of the mounting plate, the water depth detection sensor, the control panel, the retractable structure, the hose, the sampling tube, the water absorption structure, the stratified collection structure and the blowing structure, and the collected groundwater is sealed and stored, which greatly improves the sampling effect and quality of groundwater in geological surveys; at the same time, the equipment has an anti-blocking function, when the water absorption state of the water absorption structure is inconsistent with the stable water absorption state, the water absorption structure stops working, and at the same time, the blowing structure works and blows the air flow to the hose and the sampling tube, so as to achieve blockage treatment operations at the hose and the sampling tube, and has high use value; the sampling bottle in the present invention includes a weighing device, a bottle body, a water inlet, a control button, a telescopic cylinder and a sealing plate; the sampling bottle has automatic weighing function and automatic sealing function, and has excellent effect in preventing impurities from entering. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] Figure 1 The present invention is a schematic structural diagram of a groundwater sampling device used in geological survey work.

[0018] Figure 2 It is a structural schematic diagram of the support leg structure of the present invention.

[0019] Figure 3 It is a structural schematic diagram of the retractable structure of the present invention.

[0020] Figure 4It is a schematic diagram of the structure of the sampling tube of the present invention.

[0021] Figure 5 It is a structural schematic diagram of the water absorption structure of the present invention.

[0022] Figure 6 It is a schematic structural diagram of the layered collection structure of the present invention.

[0023] Figure 7 It is a schematic diagram of the structure of the sampling bottle of the present invention.

[0024] Figure 8 It is a structural schematic diagram of the blowing structure of the present invention.

[0025] In the figure: 1. mounting plate; 11. push handle; 12. guide tube; 2. leg structure; 21. internal threaded tube; 22. external threaded tube; 23. mounting seat; 24. steel ball; 3. control panel; 4. retractable structure; 41. mounting frame; 42. rotating roller; 43. winding wheel; 44. driving motor; 5. hose; 51. counterweight; 52. water depth detection sensor; 53. tee; 6. sampling tube; 61. vertical tube; 62. filter cover; 7. water absorption structure; 71. water pump; 72 , water inlet pipe; 73, water outlet pipe; 74, first solenoid valve; 75, detector; 8, layered collection structure; 81, collection box; 82, door body; 83, water guide pipe; 84, rotating motor; 85, turntable; 86, storage seat; 861, label; 87, sampling bottle; 871, weighing device; 872, bottle body; 873, water inlet; 874, control button; 875, telescopic cylinder; 876, sealing plate; 9, blowing structure; 91, air pump; 92, blowing pipe; 93, second solenoid valve. DETAILED DESCRIPTION

[0026] In order to make the technical solution and beneficial effects of the present invention more clearly understood, the present invention is further described in detail below in conjunction with specific embodiments.

[0027] Reference Figure 1The embodiment of the present invention discloses a groundwater sampling device for geological survey work, including a mounting plate 1, four height-adjustable leg structures 2 are installed at the bottom of the mounting plate 1, a retractable structure 4, a hose 5, a water absorption structure 7, a layered collection structure 8 and an air blowing structure 9 are installed on the mounting plate 1, the hose 5 is installed on the retractable structure 4, the retractable structure 4 reels in or releases the hose 5, a guide tube 12 is installed through the mounting plate 1, the guide tube 12 is located below the retractable structure 4, one end of the hose 5 passes through the guide tube 12 and is installed with a sampling tube 6, a counterweight block 51 and a water depth detection sensor 52 are installed on the hose 5 above the sampling tube 6, the other end of the hose 5 is connected to the water absorption structure 7 and the air blowing structure 9 through a tee 53; the water outlet end of the water absorption structure 7 is connected to the layered collection structure 8, and a control panel 3 is provided on the mounting plate 1, and the control panel 3 is electrically connected to the retractable structure 4, the water depth detection sensor 52, the water absorption structure 7, the layered collection structure 8 and the air blowing structure 9.

[0028] The height of the leg structure 2 is adjustable so that the device can adapt to the use requirements of different environments; a control panel 3 is provided on the mounting plate 1, and the control panel 3 is electrically connected to the retractable structure 4, the water absorption structure 7, the layered collection structure 8 and the blowing structure 9 so that the device can operate smoothly according to the set instructions; a retractable structure 4 is provided on the mounting plate 1, and a hose 5 is installed on the retractable structure 4 to reel in or release the hose 5, and the bottom of the hose 5 passes through the guide tube 12 and is installed with a counterweight 51, a water depth detection sensor 52 and a sampling tube 6, and the water depth detection sensor 52 is electrically connected to the control panel 3. When the water depth detection sensor 52 detects The sampling tube 6 is in the water area of ​​the depth to be sampled, the controller controls the retractable structure 4 to stop the line-releasing action, and the top of the hose 5 is connected to the water absorption structure 7 and the blowing structure 9 through the tee 53; the water outlet end of the water absorption structure 7 is connected to the layered collection structure 8, so that each time the water absorption structure 7 performs a sampling action, the layered collection structure 8 automatically collects groundwater at different sampling depths; when the water absorption state of the water absorption structure 7 is inconsistent with the stable water absorption state, the water absorption structure 7 stops working, and at the same time, the blowing structure 9 works and blows the airflow to the hose 5 and the sampling tube 6, so as to realize the blockage treatment operation at the hose 5 and the sampling tube 6.

[0029] Reference Figure 2The leg structure 2 includes an internal threaded tube 21, an external threaded tube 22, a mounting seat 23 and a steel ball 24; the internal threaded tube 21 is vertically arranged at the bottom of the mounting plate 1, and the internal thread of the internal threaded tube 21 is connected to the external threaded tube 22, and the bottom end of the external threaded tube 22 is mounted with a steel ball 24 through the mounting seat 23. According to the actual use environment of the equipment, the height of the equipment is adjusted by adjusting the extension length of the external threaded tube 22. At the same time, the traditional moving wheel is replaced by the steel ball 24, so that during the adjustment process, the external threaded tube 22 will not be hindered by the contact between the steel ball 24 and the ground. On the contrary, the steel ball 24 will support the external threaded tube 22, which is conducive to the adjustment operation of the external threaded tube 22.

[0030] Reference Figure 3 The retractable structure 4 includes a mounting frame 41, a rotating roller 42, a winding wheel 43 and a driving motor 44; the mounting frame 41 is arranged on the mounting plate 1, and two rotating rollers 42 are horizontally symmetrically arranged on the mounting frame 41, and the two rotating rollers 42 are connected to the winding wheel 43 for installing the hose 5, and one of the rotating rollers 42 is connected to the driving motor 44, so that the driving motor 44 operates to rotate the winding wheel 43; the operation of the driving motor 44 can realize the automatic winding and releasing of the hose 5 on the winding wheel 43, reducing the difficulty of manual winding and releasing, and at the same time, the driving motor 44 cooperates with the use of the control panel 3 and the water depth detection sensor 52 to automatically realize the precise control of the release length of the hose 5.

[0031] Reference Figure 4 The sampling tube 6 includes a vertical tube 61 and a filter screen cover 62; the vertical tube 61 is connected to the bottom end of the hose 5, and the bottom end of the vertical tube 61 is threadedly connected with the filter screen cover 62, so that when the vertical tube 61 is in the process of water intake, the filter screen cover 62 can effectively block the impurities in the groundwater, and prevent the impurities from entering the vertical tube 61 with the groundwater and being collected. At the same time, the occurrence of blockage problems in the hose 5 is reduced. In addition, the filter screen cover 62 is threadedly connected to the vertical tube 61 for sampling, which is convenient for the disassembly and assembly operation between the two, and the subsequent cleaning of the filter screen cover 62 is convenient.

[0032] Reference Figure 5The water absorption structure 7 includes a water pump 71, a water inlet pipe 72, a water outlet pipe 73, a detector 75 and a first solenoid valve 74; the water pump 71 is connected to the water inlet pipe 72 and the water outlet pipe 73, the water inlet pipe 72 is connected to the tee 53, and the detector 75 and the first solenoid valve 74 are installed on the water inlet pipe 72, the detector 75 adopts a liquid flow meter or a pressure gauge, and the water outlet pipe 73 is connected to the layered collection structure 8. The detector 75 is used to detect the water inlet state of the water inlet pipe 72, and when the water inlet state of the water inlet pipe 72 is inconsistent with the stable water inlet state, the first solenoid valve 74 is closed and the water pump 71 is closed. In addition, the outlet pipe 73 is connected to the layered collection structure 8 to discharge the groundwater sucked in from different sampling depths into the layered collection structure 8 for independent storage; wherein, the detector 75 adopts a liquid flow meter or pressure gauge in the prior art; during the implementation of the scheme, when the detector 75 detects that the water inlet state of the water inlet pipe 72 is inconsistent with the stable water inlet state, the water flow or pressure value detected by the detector 75 is different from that during stable operation. At this time, it can be judged that blockage occurs at the hose 5 or the sampling pipe 6.

[0033] Reference Figure 6 The layered collection structure 8 includes a collection box 81, a door body 82, a water pipe 83, a rotating motor 84, a turntable 85, a storage seat 86 and a sampling bottle 87; the collection box 81 is installed on the mounting plate 1 and is provided with a door body 82 thereon. The door body 82 remains closed during the sampling process to prevent external impurities from entering the collection box 81. A water pipe 83 connected to the water outlet pipe 73 is provided on the top of the collection box 81. A rotating motor 84 is installed in the collection box 81. The rotating motor 84 is connected to a turntable 85. A plurality of storage seats 86 are arranged on the circumference of the turntable 85. The sampling bottles 87 are placed in the storage seats 86. The rotating motor 84 is operated to rotate the turntable 85. The sampling bottle 87 is moved to the bottom of the water pipe 83 for collection. Each receiving seat 86 is provided with a label 861 corresponding to the sampling depth, and the labels 861 are arranged from low depth to high depth, and each time the rotating motor 84 operates, the receiving seat 86 is rotated from low depth to high depth to facilitate subsequent collection and inspection operations. When one of the sampling bottles 87 completes the collection of groundwater at the corresponding sampling depth water area, the rotating motor 84 operates to rotate the turntable 85, so that the next sampling bottle 87 moves to the bottom of the water pipe 83 to collect groundwater at another corresponding sampling depth water area.

[0034] Reference Figure 7The sampling bottle 87 includes a weighing device 871, a bottle body 872, a water inlet 873, a control button 874, a telescopic cylinder 875 and a sealing plate 876; the weighing device 871 is provided with a bottle body 872, the top of the bottle body 872 is provided with a water inlet 873, the side of the bottle body 872 is provided with a control button 874 to open the water inlet 873, and two telescopic cylinders 875 are horizontally symmetrically arranged in the bottle body 872, and the two telescopic cylinders 875 are respectively connected to a sealing plate 876 with a semicircular structure, and the two semicircular sealing plates 876 are located below the water inlet 873 and are combined to form A circular sealing cover is used to seal the bottom of the water inlet pipe 72. During the implementation of the solution, when the weighing device 871 detects that the weight of the groundwater collected in the bottle body 872 reaches the set value, the two telescopic cylinders 875 operate and move the two sealing plates 876 toward the middle to complete the sealing operation of the water inlet 873 to prevent the groundwater collected in the bottle body 872 from entering impurities. In addition, when it is necessary to test the groundwater collected in the bottle body 872, the operation control button 874 can control the operation of the two telescopic cylinders 875 to open the water inlet 873.

[0035] Reference Figure 8 The blowing structure 9 includes an air pump 91, an air blowing pipe 92 and a second electromagnetic valve 93; the air pump 91 is connected to the air blowing pipe 92, the end of the air blowing pipe 92 is connected to the three-way 53, and the second electromagnetic valve 93 is installed on the air blowing pipe 92. The second electromagnetic valve 93 is opened when the water absorption state of the water absorption structure 7 is inconsistent with the stable water absorption state; in the scheme, when the hose 5 or the sampling tube 6 is blocked, at this time, the air pump 91 operates to blow the air flow through the air blowing pipe 92 to the hose 5 or the sampling tube 6, and the impurities inside the hose 5 or the sampling tube 6 or adhering to the head of the sampling tube 6 will be blown away due to the air pressure, and the hose 5 or the sampling tube 6 will be unblocked.

[0036] Reference Figure 1 A handle 11 is provided on the mounting plate 1 for facilitating the user to transfer the device.

[0037] It should be understood that the specific embodiments described herein are only used to understand the present invention and are not used to limit the present invention. All other embodiments obtained by those skilled in the art without making any creative work are within the scope of protection of the present invention.

Claims

1. A groundwater sampling device used in geological surveys. Features: The utility model comprises a mounting plate (1), wherein four height-adjustable leg structures (2) are mounted at the bottom of the mounting plate (1), a retractable structure (4), a hose (5), a water absorbing structure (7), a layered collecting structure (8) and an air blowing structure (9) are mounted on the mounting plate (1), the hose (5) is mounted on the retractable structure (4), the retractable structure (4) retracts or releases the hose (5), a guide tube (12) is installed through the mounting plate (1), the guide tube (12) is located below the retractable structure (4), one end of the hose (5) passes through the guide tube (12) and is mounted A sampling tube (6) is installed, a counterweight (51) and a water depth detection sensor (52) are installed on a hose (5) above the sampling tube (6), the other end of the hose (5) is connected to a water absorption structure (7) and an air blowing structure (9) through a tee (53); the water outlet end of the water absorption structure (7) is connected to a layered collection structure (8), a control panel (3) is provided on the mounting plate (1), and the control panel (3) is electrically connected to the retractable structure (4), the water depth detection sensor (52), the water absorption structure (7), the layered collection structure (8) and the air blowing structure (9).

2. A groundwater sampling device for geological survey work according to claim 1, Features: The leg structure (2) comprises an internally threaded tube (21), an externally threaded tube (22), a mounting seat (23) and a steel ball (24); the internally threaded tube (21) is vertically arranged at the bottom of the mounting plate (1), and the internal thread of the internally threaded tube (21) is connected to the externally threaded tube (22), and the bottom end of the externally threaded tube (22) is mounted with a steel ball (24) via the mounting seat (23).

3. A groundwater sampling device for geological survey work according to claim 2, Features: The retractable structure (4) comprises a mounting frame (41), a rotating roller (42), a winding wheel (43) and a driving motor (44); the mounting frame (41) is arranged on the mounting plate (1), and two rotating rollers (42) are horizontally symmetrically arranged on the mounting frame (41), the two rotating rollers (42) are connected to the winding wheel (43) for mounting the hose (5), and one of the rotating rollers (42) is connected to the driving motor (44).

4. A groundwater sampling device for geological survey work according to claim 3, Features: The sampling tube (6) comprises a vertical tube (61) and a filter screen cover (62); the vertical tube (61) is connected to the bottom end of the hose (5), and the bottom end of the vertical tube (61) is threadedly connected to the filter screen cover (62).

5. A groundwater sampling device for geological survey work according to claim 4, Features: The water absorption structure (7) comprises a water pump (71), a water inlet pipe (72), a water outlet pipe (73), a detector (75) and a first electromagnetic valve (74); the water pump (71) is connected to the water inlet pipe (72) and the water outlet pipe (73); the water inlet pipe (72) is connected to a tee (53); the detector (75) and the first electromagnetic valve (74) are installed on the water inlet pipe (72); the detector (75) is a liquid flow meter or a pressure gauge; the water outlet pipe (73) is connected to the layered collection structure (8).

6. A groundwater sampling device for geological survey work according to claim 5, Features: The layered collection structure (8) comprises a collection box (81), a door body (82), a water pipe (83), a rotating motor (84), a turntable (85), a receiving seat (86) and a sampling bottle (87); the collection box (81) is mounted on a mounting plate (1) and is provided with a door body (82); a water pipe (83) connected to a water outlet pipe (73) is provided on the top of the collection box (81); a rotating motor (84) is mounted in the collection box (81); the rotating motor (84) is connected to a turntable (85); a plurality of receiving seats (86) are arranged on the circumference of the turntable (85); a sampling bottle (87) is placed in the receiving seat (86); the rotating motor (84) operates to rotate the turntable (85) once, so that the sampling bottle (87) moves to the bottom of the water pipe (83) for collection.

7. A groundwater sampling device for geological survey work according to claim 6, Features: Each receiving seat (86) is provided with a label (861) corresponding to the sampling depth, and the labels (861) are arranged from low depth to high depth, and each time the rotating motor (84) operates once, the receiving seat (86) rotates from low depth to high depth.

8. A groundwater sampling device for geological survey work according to claim 7, Features: The sampling bottle (87) comprises a weighing device (871), a bottle body (872), a water inlet (873), a control button (874), a telescopic cylinder (875) and a sealing plate (876); the weighing device (871) is provided with a bottle body (872), the top of the bottle body (872) is provided with a water inlet (873), the side of the bottle body (872) is provided with a control button (874) for opening the water inlet (873), two telescopic cylinders (875) are horizontally symmetrically arranged in the bottle body (872), the two telescopic cylinders (875) are respectively connected with a sealing plate (876) with a semicircular structure, and the two sealing plates (876) with a semicircular structure are located below the water inlet (873) and are combined to form a circular sealing cover for sealing the bottom of the water inlet pipe (72).

9. A groundwater sampling device for geological survey work according to claim 8, Features: The air blowing structure (9) comprises an air pump (91), an air blowing pipe (92) and a second electromagnetic valve (93); the air pump (91) is connected to the air blowing pipe (92), the end of the air blowing pipe (92) is connected to the tee (53), and the second electromagnetic valve (93) is installed on the air blowing pipe (92).

10. A groundwater sampling device for geological survey work according to claim 1, Features: A push handle (11) is provided on the mounting plate (1).

Images