CN115435872A - Hydrogeological exploration ground water level observation device - Google Patents
Hydrogeological exploration ground water level observation device Download PDFInfo
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- CN115435872A CN115435872A CN202210983305.3A CN202210983305A CN115435872A CN 115435872 A CN115435872 A CN 115435872A CN 202210983305 A CN202210983305 A CN 202210983305A CN 115435872 A CN115435872 A CN 115435872A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/58—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using mechanically actuated indicating means
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- Geophysics And Detection Of Objects (AREA)
Abstract
The invention relates to the technical field of underground water level observation, in particular to a hydrogeological exploration underground water level observation device which comprises a well body, wherein the well body is preset at the bottom of the ground, the top surface of the well body is provided with two L-shaped plates through bolts, the opposite sides of the two L-shaped plates are horizontally and rotatably connected with a rope winding roller through bearings, the outer wall of the rope winding roller is wound with a measuring rope, the outer wall of the measuring rope is provided with scale marks, one end of the measuring rope, far away from the rope winding roller, is connected with a rolling positioning device in sliding connection with the inner wall of the well body, the rolling positioning device is provided with a protection cylinder, and the center of the inner top surface of the protection cylinder is vertically provided with a floating ball liquid level sensor. This kind of hydrogeological exploration ground water level observation device can guarantee that floater level sensor is located well body middle part, can not take place to rock, simultaneously through a vibration protection section of thick bamboo to will protect absorbent impurity on the section of thick bamboo outer wall to detach, need not extra energy supply, just can clear up protection section of thick bamboo outer wall automatically.
Description
Technical Field
The invention relates to the technical field of underground water level observation, in particular to an underground water level observation device for hydrogeological exploration.
Background
Hydrogeological survey refers to hydrogeological research work performed to ascertain hydrogeological conditions of a region. Aims to master the cause, distribution and motion rule of underground water and surface water. The method provides a basis for reasonably exploiting and utilizing water resources and correctly designing and constructing foundations and piling projects. The method comprises two aspects of underground and overground hydrological exploration. The underground hydrological investigation is mainly to investigate and research the water level change, flow direction, chemical composition and other conditions of underground water at different periods of the whole year, find out the burying conditions and the corrosivity of the underground water, judge the possible changes and influences of the underground water in the construction and use stages of buildings and provide prevention and treatment suggestions.
Often need observe ground water level in the hydrogeological survey, most ground water level observation device are the inside of putting into the well body with floater level sensor through measuring the rope at present, but are difficult to guarantee that floater level sensor can not take place to rock in the well body is inside, probably cause the influence to ground water level measurement, observe time measuring at ground water level observation device simultaneously, and the impurity of ground water can adsorb at ground water level observation device, needs often to wash ground water level observation device.
In order to solve the problems, the hydrogeological exploration underground water level observation device is improved.
Disclosure of Invention
In order to solve the technical problems, the invention provides the following technical scheme:
the invention provides a hydrogeological exploration underground water level observation device which comprises a well body, wherein the well body is preset at the bottom of the ground, the top surface of the well body is provided with two L-shaped plates through bolts, a rope winding roller is horizontally and rotatably connected between the opposite sides of the two L-shaped plates through a bearing, the outer wall of the rope winding roller is wound with a measuring rope, the outer wall of the measuring rope is provided with scale marks, one end, far away from the rope winding roller, of the measuring rope is connected with a rolling positioning device in sliding connection with the inner wall of the well body, a protection cylinder is arranged on the rolling positioning device, a floating ball liquid level sensor is vertically arranged at the center of the inner top surface of the protection cylinder, four vibration assemblies are symmetrically arranged on the left and right of the inner wall of the protection cylinder, and two driving assemblies for driving the vibration assemblies are symmetrically arranged on the left and right of the lower part of the outer wall of the protection cylinder.
As a preferable technical scheme of the invention, a fixing plate is horizontally and fixedly connected between opposite sides of the two L-shaped plates, a rectangular through hole is formed in the center of the top surface of the fixing plate, two guide disks are rotatably connected between inner walls of the opposite sides of the rectangular through hole through bearings, the measuring rope passes through between the two guide disks and contacts with the two guide disks, and a reading rod matched with the measuring rope for use is arranged on the top surface of the fixing plate.
As a preferable technical scheme of the invention, the rolling positioning device comprises a first circular plate, three mounting plates are arranged on the outer wall circumference array of the first circular plate, a first connecting rod is hinged to one side of the bottom surface of each mounting plate, which is far away from the first circular plate, a pulley is arranged at the bottom end of each first connecting rod, a telescopic rod is arranged on the bottom surface of the circular plate, a second circular plate is fixedly connected to the output shaft end of the telescopic rod, one end of each second connecting rod is hinged to the outer wall circumference array of the second circular plate, and the other end of each second connecting rod is hinged to the first connecting rod.
As a preferable technical scheme of the invention, each vibration assembly comprises a fixed rod, the fixed rod is fixedly connected with the inner wall of the protection barrel, one end, far away from the inner wall of the protection barrel, of the fixed rod is hinged with the middle of a lever, a struck block is arranged on the side face, close to the protection barrel, of the lever, a return spring is arranged between the side face, close to the protection barrel, of the lever and the inner wall of the protection barrel, and the fixed rod is located between the struck block and the return spring.
According to a preferable technical scheme, each driving assembly comprises a conical cylinder, a circular through hole is formed in the bottom surface of the conical cylinder, an air pressure balance hole is formed in the top surface of the conical cylinder, a transmission rod is rotatably connected to the inner top surface of the conical cylinder through a bearing, hydrodynamic blades located inside the circular through hole are coaxially and fixedly connected to the bottom end of the transmission rod, a disc is coaxially and fixedly connected to the top end, extending to the outside of the conical cylinder, of the transmission rod, a vertical rod is rotatably connected to one side of the top surface of the disc through a bearing, a connecting block is fixedly connected to the top surface of the vertical rod, two pull ropes are connected to the connecting block, and a lever is connected to one end, extending to the inside of the protection cylinder, of each pull rope.
As a preferable technical scheme of the invention, the protection cylinder is fixedly connected to the bottom surface of the second circular plate, and the outer wall of the protection cylinder is uniformly provided with a plurality of filtering holes.
As a preferable technical scheme of the invention, the rope winding roller penetrates through and extends to one end of the outer part of one L-shaped plate, and a hand wheel is coaxially and fixedly connected with the end of the outer part of the L-shaped plate.
As a preferred technical scheme of the invention, a control panel is arranged on the side surface of the other L-shaped plate and is electrically connected with the telescopic rod and the floating ball liquid level sensor through waterproof wires.
The invention has the beneficial effects that:
1. this kind of hydrogeological exploration ground water level observation device, through control panel, start the telescopic link, first connecting rod and horizontal plane contained angle are adjusted to telescopic link accessible second connecting rod, make roll positioner can with well body looks adaptation, put into the interior wall of the well body with roll positioner between, can guarantee that floater level sensor is located well body middle part, start the telescopic link, first connecting rod and horizontal plane contained angle are adjusted to telescopic link accessible second connecting rod, make roll positioner can with well body looks adaptation, can make this roll positioner can adapt to the well body of more sizes, thereby make ground water level observation device more convenient.
2. This kind of hydrogeological exploration ground water level observation device, after ground water level observation is accomplished, the observer passes through the rotation hand wheel, promote ground water level observation device, the circular cone platform section of thick bamboo flows out through circular opening this moment, and then drive the water-moving blade and rotate, and then drive the transfer line and rotate, the transfer line passes through the disc and rotates, the disc is taut through vertical pole and connecting block and is relaxed the stay cord, and during taut stay cord, the stay cord can drive the lever and use dead lever one end to rotate as the centre of a circle, when relaxing the stay cord, the lever is under reset spring's effect, will receive the inner wall collision of attack piece and protection cylinder, through the vibration protection cylinder, thereby detach adsorbed impurity on the protection cylinder outer wall, need not extra energy supply, just can clear up the protection cylinder outer wall automatically.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of an observation apparatus for measuring the groundwater level in hydrogeological exploration according to the present invention;
FIG. 2 is an enlarged schematic view of the observation device for the groundwater level in hydrogeological exploration of the invention shown in FIG. 1A;
FIG. 3 is a schematic view of the top view of the rolling positioning device of the observation device for the groundwater level in hydrogeological exploration;
FIG. 4 is a schematic view of the front view structure of the rolling positioning device of the observation device for the groundwater level in hydrogeological exploration;
FIG. 5 is a schematic cross-sectional view of a protective cylinder of the observation device for groundwater level in hydrogeological exploration of the invention;
FIG. 6 is an enlarged schematic view of the observation device for the groundwater level in hydrogeological exploration of the invention at the position of FIG. 5B;
in the figure: 1. a well body; 2. an L-shaped plate; 3. a rope winding roller; 4. measuring a rope; 5. a roll positioning device; 51. a first circular plate; 52. mounting a plate; 53. a first link; 54. a pulley; 55. a telescopic rod; 56. a second circular plate; 57. a second link; 6. a protective barrel; 7. a floating ball liquid level sensor; 8. a vibrating assembly; 81. fixing the rod; 82. a lever; 83. a shot block; 84. a return spring; 9. a drive assembly; 91. a conical frustum cylinder; 92. a transmission rod; 93. a hydrodynamic blade; 94. a disc; 95. a vertical rod; 96. connecting blocks; 97. pulling a rope; 10. a fixing plate; 11. a guide disc; 12. a reading rod; 13. a control panel.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment is as follows: as shown in figure 1, a hydrogeological exploration ground water level observation device, including the well body 1, the well body 1 is predetermine at the bottom of the earth, two L templates 2 are installed through the bolt to the top surface of the well body 1, be connected with serving roller 3 through bearing horizontal rotation between two L templates 2 opposite sides, the outer wall winding of serving roller 3 has measuring rope 4, and measuring rope 4's outer wall is provided with the scale mark, measuring rope 4 keeps away from serving roller 3's one end and is connected with the roll positioner 5 with the inner wall sliding connection of well body 1, be provided with a protection section of thick bamboo 6 on the roll positioner 5, the vertical floater level sensor 7 that is provided with in interior top surface center department of protection section of thick bamboo 6, protection section of thick bamboo 6 inner wall bilateral symmetry is provided with four vibration subassemblies 8, and two drive assembly 9 that are used for driving vibration subassembly 8 are installed to protection section of thick bamboo 6's outer wall lower part bilateral symmetry.
As shown in fig. 2, a fixing plate 10 is fixedly connected between the opposite sides of the two L-shaped plates 2, a rectangular through hole is formed in the center of the top surface of the fixing plate 10, two guide disks 11 are rotatably connected between the inner walls of the opposite sides of the rectangular through hole through bearings, the measuring rope 4 penetrates through the two guide disks 11 and contacts with the two guide disks 11, and a reading rod 12 matched with the measuring rope 4 is arranged on the top surface of the fixing plate 10.
As shown in fig. 3-4, the rolling positioning device 5 includes a first circular plate 51, the outer wall circumference array of the first circular plate 51 is provided with three mounting plates 52, one side of the bottom surface of each mounting plate 52 away from the first circular plate 51 is hinged with a first connecting rod 53, the bottom end of each first connecting rod 53 is provided with a pulley 54, the bottom surface of the circular plate 51 is provided with a telescopic rod 55, the output shaft end of the telescopic rod 55 is fixedly connected with a second circular plate 56, the outer wall circumference array of the second circular plate 56 is hinged with one end of three second connecting rods 57, and the other end of each second connecting rod 57 is hinged with the first connecting rod 53.
As shown in fig. 5, each vibration assembly 8 includes a fixing rod 81, the fixing rod 81 is fixedly connected to the inner wall of the protection barrel 6, one end of the fixing rod 81, which is far away from the inner wall of the protection barrel 6, is hinged to the middle of a lever 82, a struck block 83 is arranged on the side of the lever 82, which is close to the protection barrel 6, a return spring 84 is arranged between the side of the lever 82, which is close to the protection barrel 6, and the inner wall of the protection barrel 6, and the fixing rod 81 is located between the struck block 83 and the return spring 84.
As shown in fig. 5-6, each driving assembly 9 includes a circular truncated cone cylinder 91, a circular through hole is formed in the bottom surface of the circular truncated cone cylinder 91, an air pressure balance hole is formed in the top surface of the circular truncated cone cylinder 91, a transmission rod 92 is rotatably connected to the inner top surface of the circular truncated cone cylinder 91 through a bearing, a hydrodynamic blade 93 located inside the circular through hole is coaxially and fixedly connected to the bottom end of the transmission rod 92, a disc 94 is coaxially and fixedly connected to the top end of the transmission rod 92 extending to the outside of the circular truncated cone cylinder 91, a vertical rod 95 is rotatably connected to one side of the top surface of the disc 94 through a bearing, a connecting block 96 is fixedly connected to the top surface of the vertical rod 95, two pull ropes 97 are connected to the connecting block 96, each pull rope 97 penetrates through the end extending to the inside of the protection cylinder 6 and is connected to the lever 82, after the observation of the groundwater level is completed, the observer lifts the groundwater level observation device by rotating the hand wheel, at this time, the circular through hole, the hydrodynamic blade 93 is driven to rotate, the transmission rod 92, the disc 92 rotates through the disc 94, the lever 94 is driven by the pull rope 97, when the lever 82 is pulled, the lever 82 is rotated, the outer wall of the protection cylinder is rotated by the outer wall of the protection cylinder 82, and the protection cylinder 6, the protection cylinder is removed by the vibration block 83, thereby the protection cylinder 6.
The protection cylinder 6 is fixedly connected to the bottom surface of the second circular plate 56, a plurality of filter holes are uniformly formed in the outer wall of the protection cylinder 6, and water which enters the protection cylinder 6 through the filter holes can be filtered.
The rope rolling roller 3 penetrates through the outer end extending to one L-shaped plate 2, a hand wheel is coaxially and fixedly connected with the outer end, and the rope rolling roller 3 can be rotated through the hand wheel.
The side of another L type board 2 is provided with control panel 13, and control panel 13 passes through waterproof wire and telescopic link 55 and floater level sensor 7 electric connection, can look over the information that floater level sensor 7 fed back through control panel 13, can control the operation of telescopic link 55 simultaneously through control panel 13.
The working principle is as follows: when the observation device for the underground water level of hydrogeological exploration is used, whether the observation device for the underground water level of hydrogeological exploration can be normally used is firstly checked, firstly, the telescopic rod 55 is started through the control panel 13, the telescopic rod 55 can adjust the included angle between the first connecting rod 53 and the horizontal plane through the second connecting rod 57, so that the rolling positioning device 5 can be matched with the well body 1, the rolling positioning device 5 is placed between the inner walls of the well body 1, then, the rope rolling roller 3 is rotated through the hand wheel, the measuring rope 4 is discharged, and therefore, the floating ball liquid level sensor 7 is placed down, when the floating ball liquid level sensor 7 reaches the liquid level, the floating ball liquid level sensor 7 can transmit the sensed liquid level information to the control panel 13, an observer can timely stop rotating the hand wheel by watching the information of the control panel 13, and then, the reading of the measuring rope 4 is read through the reading rod 12;
then, after the groundwater level observation is completed, an observer lifts the groundwater level observation device by rotating a hand wheel, at the moment, the frustum cone 91 flows out through the circular through hole, and then the hydrodynamic blade 93 is driven to rotate, and then the transmission rod 92 is driven to rotate, the transmission rod 92 rotates through the disc 94, the disc 94 is tensioned and loosened through the vertical rod 95 and the connecting block 96, and when the stay cord 97 is tensioned, the stay cord 97 can drive the lever 82 to rotate by taking one end of the fixed rod 81 as the center of a circle, when the stay cord 97 is loosened, the lever 82 collides the struck block 83 with the inner wall of the protection cylinder 6 under the action of the reset spring 84, and through vibrating the protection cylinder 6, so that impurities adsorbed on the outer wall of the protection cylinder 6 are removed, extra energy supply is not needed, and the outer wall of the protection cylinder 6 can be automatically cleaned.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a hydrogeological exploration ground water level observation device, includes well body (1), well body (1) predetermines at the ground bottom, its characterized in that, two L template (2) are installed through the bolt to well body (1) top surface, two be connected with serving roller (3) through bearing horizontal rotation between L template (2) the opposite side, serving roller (3) outer wall winding has measuring rope (4), and the outer wall of measuring rope (4) is provided with the scale mark, the one end of measuring rope (4) keeping away from serving roller (3) is connected with rolling positioner (5) with the inner wall sliding connection of well body (1), be provided with protection section of thick bamboo (6) on rolling positioner (5), the vertical liquid level sensor (7) that is provided with of interior top surface center department of protection section of thick bamboo (6), protection section of thick bamboo (6) inner wall bilateral symmetry is provided with four vibration subassembly (8), and two drive assembly (9) that are used for driving vibration subassembly (8) are installed to the outer wall lower part bilateral symmetry of protection section of thick bamboo (6).
2. The hydrogeological exploration groundwater level observation device as claimed in claim 1, wherein a fixing plate (10) is horizontally and fixedly connected between opposite sides of the two L-shaped plates (2), a rectangular through hole is formed in the center of the top surface of the fixing plate (10), two guide discs (11) are rotatably connected between the inner walls of the opposite sides of the rectangular through hole through bearings, the measuring rope (4) passes through the two guide discs (11) and is in contact with the two guide discs (11), and a reading rod (12) matched with the measuring rope (4) is arranged on the top surface of the fixing plate (10).
3. The observation device for observing the groundwater level in hydrogeological exploration according to claim 1, wherein the rolling positioning device (5) comprises a first circular plate (51), the circumferential array of the outer wall of the first circular plate (51) is provided with three mounting plates (52), one side of the bottom surfaces of the three mounting plates (52) far away from the first circular plate (51) is hinged with a first connecting rod (53), the bottom end of each first connecting rod (53) is provided with a pulley (54), the bottom surface of the circular plate (51) is provided with a telescopic rod (55), the output shaft end of each telescopic rod (55) is fixedly connected with a second circular plate (56), the circumferential array of the outer wall of each second circular plate (56) is hinged with one end of three second connecting rods (57), and the other end of each second connecting rod (57) is hinged with the first connecting rod (53).
4. The observation device of hydrogeological exploration groundwater level as claimed in claim 1, wherein each vibration component (8) comprises a fixing rod (81), the fixing rod (81) is fixedly connected to the inner wall of the protection barrel (6), one end of the fixing rod (81) far away from the inner wall of the protection barrel (6) is hinged to the middle of a lever (82), the side of the lever (82) close to the protection barrel (6) is provided with a struck block (83), a return spring (84) is arranged between the side of the lever (82) close to the protection barrel (6) and the inner wall of the protection barrel (6), and the fixing rod (81) is positioned between the struck block (83) and the return spring (84).
5. The observation device for observing the groundwater level in hydrogeological exploration according to claim 1 or 4, wherein each driving assembly (9) comprises a frustum cone (91), a circular through hole is formed in the bottom surface of the frustum cone (91), an air pressure balance hole is formed in the top surface of the frustum cone (91), a transmission rod (92) is rotatably connected to the inner top surface of the frustum cone (91) through a bearing, hydrodynamic blades (93) located inside the circular through hole are coaxially and fixedly connected to the bottom end of the transmission rod (92), a top end of the transmission rod (92) extending to the outside of the frustum cone (91) is coaxially and fixedly connected with a disc (94), a vertical rod (95) is rotatably connected to one side of the top surface of the disc (94) through a bearing, a connecting block (96) is fixedly connected to the top surface of the vertical rod (95), two pull ropes (97) are connected to the connecting block (96), and a lever (82) is connected to one end of each pull rope (97) extending to the inside of the protection cylinder (6).
6. The observation device of the hydrogeological exploration groundwater level as claimed in claim 1, wherein the protection cylinder (6) is fixedly connected to the bottom surface of the second circular plate (56), and a plurality of filtering holes are uniformly formed in the outer wall of the protection cylinder (6).
7. The observation device of hydrogeological exploration groundwater level as claimed in claim 1, wherein the rope rolling roller (3) extends to one end of the outer part of one of the L-shaped plates (2) through and is fixedly connected with a hand wheel coaxially.
8. The observation device of hydrogeological exploration groundwater level according to claim 1 or 3, characterized in that a control panel (13) is arranged on the side of the other L-shaped plate (2), and the control panel (13) is electrically connected with the telescopic rod (55) and the floating ball liquid level sensor (7) through waterproof wires.
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| CN202210983305.3A CN115435872B (en) | 2022-08-16 | 2022-08-16 | Hydrogeological exploration ground water level observation device |
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| CN202210983305.3A CN115435872B (en) | 2022-08-16 | 2022-08-16 | Hydrogeological exploration ground water level observation device |
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| CN115435872B CN115435872B (en) | 2023-10-13 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115977616A (en) * | 2023-02-13 | 2023-04-18 | 中国地质调查局南京地质调查中心(华东地质科技创新中心) | Well probe wall-adhering device for testing formation thermophysical parameters |
| CN116147735A (en) * | 2023-04-19 | 2023-05-23 | 山东省煤田地质局第五勘探队 | Underground hydrogeological water level observation and regulation equipment |
| CN116592973A (en) * | 2023-07-17 | 2023-08-15 | 陕西瀚泰水利水电勘测设计有限公司 | Groundwater level monitoring devices with safeguard function for hydrogeological exploration |
| CN116678470A (en) * | 2023-08-03 | 2023-09-01 | 山东省地质矿产勘查开发局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | Underground water level observation equipment |
| CN117782255A (en) * | 2024-02-23 | 2024-03-29 | 山西省地质工程勘察院有限公司 | Hydrogeological exploration ground water level observation device |
| CN117782255B (en) * | 2024-02-23 | 2024-06-07 | 山西省地质工程勘察院有限公司 | Hydrogeological exploration ground water level observation device |
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| CN115977616A (en) * | 2023-02-13 | 2023-04-18 | 中国地质调查局南京地质调查中心(华东地质科技创新中心) | Well probe wall-adhering device for testing formation thermophysical parameters |
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| CN116678470B (en) * | 2023-08-03 | 2023-10-27 | 山东省地质矿产勘查开发局第二水文地质工程地质大队(山东省鲁北地质工程勘察院) | Underground water level observation equipment |
| CN117782255A (en) * | 2024-02-23 | 2024-03-29 | 山西省地质工程勘察院有限公司 | Hydrogeological exploration ground water level observation device |
| CN117782255B (en) * | 2024-02-23 | 2024-06-07 | 山西省地质工程勘察院有限公司 | Hydrogeological exploration ground water level observation device |
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