CN114923536A - Hydrogeology exploration ground water level observer - Google Patents
Hydrogeology exploration ground water level observer Download PDFInfo
- Publication number
- CN114923536A CN114923536A CN202210539634.9A CN202210539634A CN114923536A CN 114923536 A CN114923536 A CN 114923536A CN 202210539634 A CN202210539634 A CN 202210539634A CN 114923536 A CN114923536 A CN 114923536A
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- Prior art keywords
- top plate
- water level
- suspension
- motor
- observer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 239000003673 groundwater Substances 0.000 title claims description 19
- 239000000725 suspension Substances 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 19
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 abstract description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
- B65H75/4481—Arrangements or adaptations for driving the reel or the material
- B65H75/4486—Electric motors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a hydrogeological exploration underground water level observer which comprises a base, wherein the upper end of the base is rotatably connected with an upright post, the upper end of the upright post is fixedly connected with a top plate, a suspension head is arranged below the top plate, the upper end of the suspension head is connected with a suspension cable, the suspension cable penetrates through the top plate, the upper end of the top plate is provided with a winding mechanism connected with the suspension cable, the inner side of the suspension head is provided with a supporting mechanism, the bottom of the suspension head is provided with a seal seat, the lower end of the seal seat is provided with a water level sensor, the lower end of the top plate is provided with a protection mechanism corresponding to the suspension head, the lower end of the top plate is fixedly provided with an electric telescopic rod, and the telescopic end of the electric telescopic rod faces downwards and is provided with a stabilizing mechanism. The underground water level detection device can quickly complete the detection of the underground water level, can ensure the stability and the accuracy of the water level detection, can avoid the frictional contact of the water level sensor and the well wall of a detection well, realizes self protection and is not easy to damage.
Description
Technical Field
The invention relates to the technical field of hydrogeological exploration, in particular to a hydrogeological exploration underground water level observer.
Background
Hydrogeology, the branch of geology, refers to the phenomenon of various changes and movements of groundwater in nature. Hydrology and geology are the science of studying groundwater. The method mainly researches the distribution and formation rule of the underground water, the physical properties and chemical components of the underground water, the underground water resource and reasonable utilization thereof, the adverse effect of the underground water on engineering construction and mining, the prevention and the treatment thereof and the like.
When carrying out ground water level observation time measuring in the present hydrogeological exploration, put water level sensor through drawing of cotton rope and carry out the measurement of water level usually, but when present water level sensor transferred to surveying well, water level sensor took place frictional contact with the wall of a well of surveying well easily, caused water level sensor to damage easily, and was difficult to pinpoint water level sensor to the top of surveying well fast during surveying, had reduced the convenience and the accuracy of operation.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a hydrological prospecting ground water level observer.
In order to achieve the purpose, the invention adopts the following technical scheme:
a hydrogeological exploration underground water level observer comprises a base, wherein the upper end of the base is rotatably connected with an upright post, the upper end of the upright post is fixedly connected with a top plate, a suspension head is arranged below the top plate, the upper end of the suspension head is connected with a suspension cable, the suspension cable penetrates through the top plate, the upper end of the top plate is provided with a winding mechanism connected with the suspension cable, the inner side of the suspension head is provided with a supporting mechanism, a sealing seat is arranged at the bottom of the suspension head, a water level sensor is arranged at the lower end of the sealing seat, a protection mechanism corresponding to the suspension head is arranged at the lower end of the top plate, the lower end of the top plate is fixedly provided with an electric telescopic rod, the telescopic end of the electric telescopic rod faces downwards and is provided with a stabilizing mechanism, the upper end of base is equipped with the equipment box, the outside of equipment box is equipped with control panel, level sensor is connected with control panel electricity.
As a further improvement of the invention, the winding mechanism comprises a fixed frame fixedly connected to the upper end of the top plate, the inner side of the fixed frame is rotatably connected with a winding wheel, one side of the outer wall of the fixed frame is provided with a third motor, an output shaft of the third motor penetrates through the fixed frame and is fixed at one end of the winding wheel, the other side of the outer wall of the fixed frame is provided with a meter counter, and the meter counter is connected with the other end of the winding wheel.
As a further improvement of the invention, the supporting mechanism comprises a second motor mounted on the inner top wall of the suspension head, an output shaft of the second motor faces downwards and is fixedly connected with a second threaded rod, a moving block is sleeved on the second threaded rod in a threaded manner, four accommodating grooves are formed in the side wall of the suspension head at equal intervals along the circumferential direction, a supporting rod is rotatably connected to the inner wall of each accommodating groove, a roller is mounted at one end of each supporting rod far away from the accommodating groove, a connecting rod is rotatably connected to the side wall of each supporting rod, and one end of each connecting rod far away from the supporting rod is rotatably connected to the side wall of the moving block.
As a further improvement of the invention, the protection mechanism comprises a protection barrel fixedly connected to the lower end of the top plate, the protection barrel is sleeved outside the hanging cable, the lower end of the protection barrel is rotatably connected with a barrel cover, and the barrel cover is provided with a hasp lock.
As a further improvement of the present invention, the stabilizing mechanism includes a mounting seat fixedly connected to the telescopic end of the electric telescopic rod, a mounting groove is provided on a side wall of the mounting seat, a first motor is fixedly mounted on an inner wall of the mounting groove, the first motor is a dual-shaft motor, ends of two output shafts of the first motor are both fixedly connected with a first threaded rod, one end of the first threaded rod, which is far away from the first motor, is rotatably connected to the inner wall of the mounting groove, a movable block is threadedly sleeved on the first threaded rod, and clamping members are provided on side walls of both the movable blocks.
As a further improvement of the invention, the clamping part comprises a fixed rod fixedly connected to the side wall of the movable block, one end of the fixed rod far away from the movable block is fixedly connected with a clamping plate, and the clamping plate is of an arc-shaped structure.
As a further improvement of the invention, the upper end of the top plate is provided with a guide wheel corresponding to the suspension cable.
As a further improvement of the invention, a spiral cable is arranged on the inner side of the suspension head, and the water level sensor is electrically connected with the suspension cable through the spiral cable.
As a further improvement of the invention, the upper end of the base is provided with a handrail, and four corners of the bottom of the base are respectively provided with a movable wheel.
The invention has the beneficial effects that:
through setting up stabilizing mean, through starting first motor, two first threaded rods of drive rotate, can be so that two movable blocks are close to the removal, drive two splint and be close to and press from both sides tightly in the outside of surveying the well, and then can will hang first accurate positioning in the top of surveying the well, and then guarantee the stability and the accuracy that the water level surveyed.
Through setting up winding mechanism, unreel the suspension cable through the rolling wheel, can be fast with the head that dangles transfer to the exploration well in, survey the water level to carry out the record through meter rice ware to the degree of depth of transferring.
Through setting up supporting mechanism, hang first below during to the exploration well, the gyro wheel supports with the wall of a well contact of exploration well through the bracing piece outside expansion, can avoid the wall of a well frictional contact of level sensor and exploration well to protection level sensor.
Through setting up protection machanism, when not using, can accomodate the head that dangles to protect in the protective barrel to cover the cover, can play fine guard action to the head that dangles.
The underground water level detection device can quickly finish the detection of the underground water level, can ensure the stability and the accuracy of the water level detection, can avoid the frictional contact of the water level sensor and the well wall of a detection well, realizes self protection and is not easy to damage.
Drawings
FIG. 1 is a schematic structural diagram of an observer for the groundwater level in hydrogeological exploration, which is provided by the invention;
FIG. 2 is a schematic structural diagram of a stabilizing mechanism of the observation device for the groundwater level in hydrogeological exploration, which is provided by the invention;
FIG. 3 is a schematic structural diagram of a winding mechanism of the observation device for the groundwater level in hydrogeological exploration, which is provided by the invention;
FIG. 4 is a schematic structural diagram of the interior of the suspension head of the observer for the geological prospecting of hydrogeology according to the present invention.
In the figure: the device comprises a base 1, a moving wheel 2, a handrail 3, an equipment box 4, a control panel 5, a vertical column 6, a top plate 7, a fixed frame 8, a hasp lock 9, a winding wheel 10, a suspension cable 11, a guide wheel 12, a protective barrel 13, a barrel cover 14, a suspension head 15, a water level sensor 16, a clamping plate 17, a fixed rod 18, a mounting seat 19, an electric telescopic rod 20, a first threaded rod 21, a movable block 22, a mounting groove 23, a first motor 24, a meter counter 25, a roller 26, a supporting rod 27, a connecting rod 28, a spiral cable 29, a second motor 30, a second threaded rod 31, a movable block 32, a storage groove 33, a sealing seat 34 and a third motor 35.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a hydrogeological exploration ground water level observer comprises a base 1, a handrail 3 is arranged at the upper end of the base 1, moving wheels 2 are arranged at four corners of the bottom of the base 1, the base 1 can be conveniently pushed to move through the moving wheels 2 and the handrail 3, an upright post 6 is rotatably connected to the upper end of the base 1, a top plate 7 is fixedly connected to the upper end of the upright post 6, a hanging head 15 is arranged below the top plate 7, a suspension cable 11 is connected to the upper end of the hanging head 15, the suspension cable 11 penetrates through the top plate 7, a winding mechanism connected with the suspension cable 11 is arranged at the upper end of the top plate 7, a supporting mechanism is arranged at the inner side of the hanging head 15, a sealing seat 34 is arranged at the bottom of the hanging head 15, the sealing seat 34 is in threaded connection with the hanging head 15, a water level sensor 16 is arranged at the lower end of the sealing seat 34, a protection mechanism corresponding to the hanging head 15 is arranged at the lower end of the top plate 7, an electric telescopic rod 20 is fixedly arranged at the lower end of the top plate 7, electric telescopic handle 20's flexible end down and install stabilizing mean, and base 1's upper end is equipped with equipment box 4, and equipment box 4's the outside is equipped with control panel 5, and equipment box 4 is inside to be equipped with the battery and to supply power, and level sensor 16 is connected with control panel 5 electricity, and the head 15 inboard that dangles is equipped with spiral cable 29, and level sensor 16 passes through spiral cable 29 and is connected with hoist cable 11 electricity.
In the invention, the winding mechanism comprises a fixed frame 8 fixedly connected to the upper end of the top plate 7, a winding wheel 10 is rotatably connected to the inner side of the fixed frame 8, a third motor 35 is installed on one side of the outer wall of the fixed frame 8, an output shaft of the third motor 35 penetrates through the fixed frame 8 and is fixed at one end of the winding wheel 10, a meter counter 25 is installed on the other side of the outer wall of the fixed frame 8, and the meter counter 25 is connected with the other end of the winding wheel 10.
The supporting mechanism is including installing the second motor 30 on the roof in the head 15 that hangs down, the output shaft of second motor 30 is down and fixedly connected with second threaded rod 31, the threaded sleeve is equipped with movable block 32 on the second threaded rod 31, hang four grooves 33 of accomodating along circumference equidistant on the lateral wall of head 15, all rotate on every inner wall of accomodating groove 33 and be connected with bracing piece 27, bracing piece 27 is far away from the one end of accomodating groove 33 and is installed gyro wheel 26, all rotate on the lateral wall of every bracing piece 27 and be connected with connecting rod 28, the one end that bracing piece 27 was kept away from to connecting rod 28 is rotated and is connected on the lateral wall of movable block 32.
Protection machanism includes a protection section of thick bamboo 13 of fixed connection at roof 7 lower extreme, and a protection section of thick bamboo 13 cover is established in the outside of messenger 11, and a protection section of thick bamboo 13's lower extreme rotates and is connected with cover 14, is equipped with hasp lock 9 on the cover 14, when not using, can accomodate head 15 dangling to protecting in the protection section of thick bamboo 13 to cover 14 and lock through hasp lock 9, can play fine guard action to head 15 dangling.
Stabilizing mean includes the mount pad 19 of fixed connection at the flexible end of electric telescopic handle 20, be equipped with mounting groove 23 on the lateral wall of mount pad 19, fixed mounting has first motor 24 on the inner wall of mounting groove 23, first motor 24 is double-shaft motor, the first threaded rod 21 of two terminal equal fixedly connected with of output shaft of first motor 24, the one end that first motor 24 was kept away from to first threaded rod 21 is rotated and is connected on the inner wall of mounting groove 23, threaded sleeve is equipped with movable block 22 on the first threaded rod 21, all be equipped with the clamping piece on two movable block 22's the lateral wall, the clamping piece includes the dead lever 18 of fixed connection on movable block 22 lateral wall, the one end fixedly connected with splint 17 of movable block 22 are kept away from to dead lever 18, splint 17 is the arc structure, can stabilize the centre gripping in the outside of surveying well, realize stable locate effect.
When the observer is used, the observer is moved to the side of a detection well through the moving wheel 2, the two first threaded rods 21 are driven to rotate by starting the first motor 24, so that the two movable blocks 22 can move close to each other, the two clamping plates 17 are driven to close to and clamp the outer side of the detection well, and the suspension head 15 can be accurately positioned above the detection well;
start third motor 35, drive reel 10 rotates unreels hoist cable 11, will hang down head 15 and transfer to in the exploration well, it rotates to start second motor 30 drive second threaded rod 31, can drive movable block 32 and move down, it accomodates groove 33 and expandes the support to drive bracing piece 27 through connecting rod 28 transfer, wall of a well contact through gyro wheel 26 and exploration well, can avoid level sensor 16 and the wall of a well frictional contact of exploration well, thereby protection level sensor 16, along with hanging down the moving of head 15, can survey ground water level through level sensor 16, observe through control panel 5.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (9)
1. The observer for the hydrological and geological exploration underground water level comprises a base (1) and is characterized in that the upper end of the base (1) is rotatably connected with an upright post (6), the upper end of the upright post (6) is fixedly connected with a top plate (7), a suspension head (15) is arranged below the top plate (7), the upper end of the suspension head (15) is connected with a suspension cable (11), the suspension cable (11) penetrates through the top plate (7), the upper end of the top plate (7) is provided with a winding mechanism connected with the suspension cable (11), the inner side of the suspension head (15) is provided with a supporting mechanism, the bottom of the suspension head (15) is provided with a sealing seat (34), the lower end of the sealing seat (34) is provided with a water level sensor (16), the lower end of the top plate (7) is provided with a protection mechanism corresponding to the suspension head (15), the lower end of the top plate (7) is fixedly provided with an electric telescopic rod (20), the telescopic end of the electric telescopic rod (20) is downward and provided with a stabilizing mechanism, the upper end of the base (1) is provided with an equipment box (4), the outer side of the equipment box (4) is provided with a control panel (5), and the water level sensor (16) is electrically connected with the control panel (5).
2. The observer for the groundwater level in hydrogeological exploration according to claim 1, wherein the winding mechanism comprises a fixed frame (8) fixedly connected to the upper end of the top plate (7), a winding wheel (10) is rotatably connected to the inner side of the fixed frame (8), a third motor (35) is installed on one side of the outer wall of the fixed frame (8), an output shaft of the third motor (35) penetrates through the fixed frame (8) and is fixed at one end of the winding wheel (10), a meter counter (25) is installed on the other side of the outer wall of the fixed frame (8), and the meter counter (25) is connected with the other end of the winding wheel (10).
3. The hydrogeological exploration groundwater level observer as claimed in claim 1, the supporting mechanism comprises a second motor (30) arranged on the inner top wall of the suspension head (15), the output shaft of the second motor (30) faces downwards and is fixedly connected with a second threaded rod (31), a moving block (32) is sleeved on the second threaded rod (31) in a threaded manner, four accommodating grooves (33) are formed in the side wall of the suspension head (15) at equal intervals along the circumferential direction, a supporting rod (27) is rotatably connected to the inner wall of each accommodating groove (33), one end of each support rod (27) far away from the containing groove (33) is provided with a roller (26), the side wall of each support rod (27) is rotatably connected with a connecting rod (28), one end of the connecting rod (28) far away from the supporting rod (27) is rotatably connected to the side wall of the moving block (32).
4. The observer of hydrogeological exploration groundwater level according to claim 1, characterized in that the protection mechanism comprises a protection cylinder (13) fixedly connected to the lower end of the top plate (7), the protection cylinder (13) is sleeved on the outer side of the suspension cable (11), the lower end of the protection cylinder (13) is rotatably connected with a cylinder cover (14), and the cylinder cover (14) is provided with a snap lock (9).
5. The hydrogeological exploration groundwater level observer according to claim 1, wherein the stabilizing mechanism comprises a mounting seat (19) fixedly connected to a telescopic end of an electric telescopic rod (20), a mounting groove (23) is formed in a side wall of the mounting seat (19), a first motor (24) is fixedly mounted on an inner wall of the mounting groove (23), the first motor (24) is a double-shaft motor, first threaded rods (21) are fixedly connected to two output shaft ends of the first motor (24), one end, far away from the first motor (24), of each first threaded rod (21) is rotatably connected to the inner wall of the mounting groove (23), movable blocks (22) are sleeved on the first threaded rods (21), and clamping elements are arranged on side walls of the two movable blocks (22).
6. The hydrogeological exploration groundwater level observer as claimed in claim 5, wherein the clamping member comprises a fixing rod (18) fixedly connected to the side wall of the movable block (22), a clamping plate (17) is fixedly connected to one end of the fixing rod (18) far away from the movable block (22), and the clamping plate (17) is of an arc-shaped structure.
7. A hydrogeological exploration groundwater level observer according to claim 1, wherein the upper end of the roof plate (7) is provided with a guide wheel (12) corresponding to the hoist cable (11).
8. A hydrogeological exploration groundwater level observer according to claim 1, wherein a spiral cable (29) is arranged inside the suspension head (15), and the water level sensor (16) is electrically connected with the suspension cable (11) through the spiral cable (29).
9. The observer of hydrogeological exploration groundwater level according to claim 8, characterized in that the upper end of the base (1) is provided with a handrail (3), and the four corners of the bottom of the base (1) are provided with moving wheels (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210539634.9A CN114923536A (en) | 2022-05-18 | 2022-05-18 | Hydrogeology exploration ground water level observer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210539634.9A CN114923536A (en) | 2022-05-18 | 2022-05-18 | Hydrogeology exploration ground water level observer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114923536A true CN114923536A (en) | 2022-08-19 |
Family
ID=82809031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210539634.9A Withdrawn CN114923536A (en) | 2022-05-18 | 2022-05-18 | Hydrogeology exploration ground water level observer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114923536A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116718235A (en) * | 2023-08-02 | 2023-09-08 | 山东省鲁岳资源勘查开发有限公司 | Hydrogeological exploration ground water level observation device |
-
2022
- 2022-05-18 CN CN202210539634.9A patent/CN114923536A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN116718235A (en) * | 2023-08-02 | 2023-09-08 | 山东省鲁岳资源勘查开发有限公司 | Hydrogeological exploration ground water level observation device |
| CN116718235B (en) * | 2023-08-02 | 2023-10-20 | 山东省鲁岳资源勘查开发有限公司 | Hydrogeological exploration ground water level observation device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20220819 |