Underground water source sampling device for geological exploration
By designing an underground water source sampling device for geological detection including filter mesh and sealing device, the problem of silt and sand mixing in groundwater source detection is solved, and the cleaning and integrity of water source samples are achieved.
Patent Information
- Application Number
- CN202420697506.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-07
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-07
AI Technical Summary
In the prior art, during groundwater source detection, untreated groundwater is prone to be mixed with a large amount of silt and sand, affecting water source sampling.
A subterranean water source sampling device for geological detection is designed, including sampling tubes, device barrels, filters, lifting devices, collection devices and sealing devices. Through the cooperation of the filter and sealing device, avoid silt and sand influx and ensure the integrity of the water source sample.
It effectively avoids the influx of mud and sand, ensures the cleanliness and integrity of water source samples, and facilitates subsequent sampling and storage.
Smart Images

Figure CN222689467U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of geological water source detection, in particular to an underground water source sampling device for geological detection. Background Art
[0002] Water source detection refers to the process of detecting and monitoring groundwater sources using various technical means. Through water source detection, people can find the location, depth and water quality of groundwater sources, providing important information support for the rational development and utilization of groundwater resources.
[0003] In the prior art, in the process of detecting groundwater sources, it is necessary to sample and collect water sources. Some groundwater can only be obtained after drilling in advance. Untreated groundwater is likely to be mixed with a large amount of mud and sand, which will affect water source sampling. Based on this problem, we proposed an underground water source sampling device for geological exploration. Utility Model Content
[0004] The purpose of the utility model is to provide an underground water source sampling device for geological exploration to solve the problems existing in the prior art proposed by the above background technology.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A underground water source sampling device for geological exploration comprises a sampling tube, a device tube is slidably sleeved at the lower end of the sampling tube, a filter screen is penetrated at the lower end of the device tube, the side wall of the sampling tube is connected to the side wall of the device tube by two lifting devices, a through groove is penetrated at the upper end of the sampling tube, a collecting device is threadedly connected in the through groove, a sampling groove is penetrated at the lower end of the sampling tube, the sampling groove and the through groove are communicated with each other, and a sealing device is arranged in the sampling groove.
[0007] Preferably, the lifting device includes a fixing plate fixedly connected to the side wall of the sampling tube, a hydraulic rod is passed through and fixedly connected to the side wall of the fixing plate, the extended end of the hydraulic rod is rotatably connected to a threaded rod, and a connecting seat is fixedly connected to the upper end of the device tube at the corresponding position, and the threaded rod passes through and is threadedly connected to the upper end of the connecting seat.
[0008] Preferably, the collecting device comprises a plunger threadedly connected in the through groove, the upper end of the plunger is fixedly connected to a tailstock, and the upper end of the tailstock is fixedly connected to a pull ring.
[0009] Preferably, the sealing device comprises a moving rod arranged in the sampling slot, a connecting plate is fixedly connected to the lower end of the moving rod, a magnetic block is fixedly connected to the lower end of the connecting plate, and the connecting plate is magnetically attracted to the filter screen through the magnetic block.
[0010] Preferably, a sealing gasket is fixedly connected to the inner wall of the device tube.
[0011] Preferably, the size of the connecting plate is consistent with the size of the notch of the sampling slot.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] In the utility model, by arranging the collecting device, the lifting device and the sealing device to cooperate with each other, when the device goes deep into the underground to collect water sources, the filter screen at the device tube will first seal the sampling slot part with the connecting plate to avoid the influx of mud and sand. When entering the water source, the corresponding device tube can be controlled to move and drive the connecting plate to leave the notch of the sampling slot by controlling the corresponding hydraulic rod. At this time, the water source sample will enter the sampling slot through the filter screen, and most of the mud and sand will be blocked on the outside of the filter screen. After the sampling is completed, the device tube will be reset to re-seal the notch of the sampling slot, which can ensure the integrity of the collected water source sample and avoid interference from mud and sand. The arranged plunger is also convenient for subsequent removal of water source samples. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a structural schematic diagram of an underground water source sampling device for geological exploration proposed by the utility model;
[0015] Figure 2 This is a cross-sectional view of a device barrel of an underground water source sampling device for geological exploration proposed by the utility model;
[0016] Figure 3 The utility model discloses a cross-sectional view of a sampling tube of an underground water source sampling device for geological exploration.
[0017] In the figure: 1 sampling tube, 2 device cylinder, 3 filter screen, 4 pull ring, 5 tail seat, 6 hydraulic rod, 7 fixed plate, 8 threaded rod, 9 connecting seat, 10 sealing gasket, 11 moving rod, 12 connecting plate, 13 plunger. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0019] Reference Figure 1-3A ground water source sampling device for geological exploration comprises a sampling tube 1, a device tube 2 is slidably sleeved at the lower end of the sampling tube 1, a filter screen 3 is penetrated at the lower end of the device tube 2, the side wall of the sampling tube 1 is connected to the side wall of the device tube 2 by two lifting devices, the lifting device comprises a fixing plate 7 fixedly connected to the side wall of the sampling tube 1, a hydraulic rod 6 is penetrated and fixedly connected to the side wall of the fixing plate 7, a threaded rod 8 is rotatably connected to the extended end of the hydraulic rod 6, a connecting seat 9 is fixedly connected to the upper end of the device tube 2 at the corresponding position, and the threaded rod 8 is threadedly connected to the upper end of the connecting seat 9.
[0020] Among them, a through groove is set at the upper end of the sampling tube 1, and a collecting device is threadedly connected in the through groove. The collecting device includes a plunger 13 threadedly connected in the through groove, and a tail stock 5 is fixedly connected to the upper end of the plunger 13, and a pull ring 4 is fixedly connected to the upper end of the tail stock 5.
[0021] Specifically, a sampling groove is provided at the lower end of the sampling tube 1, and the sampling groove and the through groove are communicated with each other. A sealing device is provided in the sampling groove, and the sealing device includes a moving rod 11 provided in the sampling groove, and a connecting plate 12 is fixedly connected to the lower end of the moving rod 11, and a magnetic block is fixedly connected to the lower end of the connecting plate 12. The connecting plate 12 is magnetically attracted to the filter screen 3 through the magnetic block, and the size of the connecting plate 12 is consistent with the size of the notch of the sampling groove.
[0022] It is worth mentioning that a sealing gasket 10 is fixedly connected to the inner wall of the device tube 2 .
[0023] In the utility model, when going deep into the underground to collect water source, the filter screen 3 at the device barrel 2 will first seal the sampling slot part with the connecting plate 12 to prevent the influx of mud and sand. When entering the water source, the corresponding hydraulic rod 6 can be controlled by the controller in the prior art to control the corresponding device barrel 2 to move and drive the connecting plate 12 to leave the notch of the sampling slot. At this time, the water source sample will enter the sampling slot through the filter screen 3, and most of the mud and sand will be blocked on the outside of the filter screen 3. After the sampling is completed, the device barrel 2 can be reset by the hydraulic rod 6 to re-seal the notch of the sampling slot.
[0024] After obtaining the water source sample, the device can be lifted out, and then the corresponding tailstock 5 is twisted to drive the plunger 13 out of the through slot, and the operator can take the collected water source sample out into the storage container through the through slot.
[0025] The device barrel 2 can be detached from the sampling tube 1. The corresponding threaded rod 8 can be rotated to disconnect it from the connecting seat 9. After the threaded rods 8 on both sides are disconnected, the device barrel 2 can be removed from the sampling tube 1, making it convenient to clean the inside.
[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A groundwater sampling device for geological exploration, comprising a sampling tube (1), characterized in that: A device cylinder (2) is slidably sleeved at the lower end of the sampling tube (1), a filter screen (3) is penetrated at the lower end of the device cylinder (2), the side wall of the sampling tube (1) and the side wall of the device cylinder (2) are connected via two lifting devices, a through groove is penetrated at the upper end of the sampling tube (1), a collecting device is threadedly connected in the through groove, a sampling groove is penetrated at the lower end of the sampling tube (1), the sampling groove and the through groove are communicated with each other, and a sealing device is arranged in the sampling groove.
2. The underground water source sampling device for geological exploration according to claim 1, characterized in that: The lifting device comprises a fixing plate (7) fixedly connected to the side wall of the sampling tube (1), a hydraulic rod (6) is fixedly connected to the side wall of the fixing plate (7), the extended end of the hydraulic rod (6) is rotatably connected to a threaded rod (8), and a connecting seat (9) is fixedly connected to the upper end of the device cylinder (2) at a corresponding position, and the threaded rod (8) is threadedly connected to the upper end of the connecting seat (9).
3. The underground water source sampling device for geological exploration according to claim 1, characterized in that: The collecting device comprises a plunger (13) threadedly connected in the through groove, the upper end of the plunger (13) is fixedly connected to a tailstock (5), and the upper end of the tailstock (5) is fixedly connected to a pull ring (4).
4. The underground water source sampling device for geological exploration according to claim 1, characterized in that: The sealing device comprises a moving rod (11) arranged in the sampling slot, a connecting plate (12) is fixedly connected at the lower end of the moving rod (11), a magnetic block is fixedly connected at the lower end of the connecting plate (12), and the connecting plate (12) is magnetically attracted to the filter screen (3) through the magnetic block.
5. The underground water source sampling device for geological exploration according to claim 1, characterized in that: A sealing gasket (10) is fixedly connected to the inner wall of the device cylinder (2).
6. The underground water source sampling device for geological exploration according to claim 4, characterized in that: The size of the connecting plate (12) is consistent with the size of the notch of the sampling slot.