CN211602080U - Portable collecting device for underground water in hole - Google Patents
Portable collecting device for underground water in hole Download PDFInfo
- Publication number
- CN211602080U CN211602080U CN202020527852.7U CN202020527852U CN211602080U CN 211602080 U CN211602080 U CN 211602080U CN 202020527852 U CN202020527852 U CN 202020527852U CN 211602080 U CN211602080 U CN 211602080U
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- Prior art keywords
- detection
- rope
- head
- winding wheel
- supporting plate
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000001514 detection method Methods 0.000 claims abstract description 116
- 238000005070 sampling Methods 0.000 claims abstract description 32
- 238000004804 winding Methods 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 21
- 239000003673 groundwater Substances 0.000 claims abstract description 9
- 210000000078 claw Anatomy 0.000 claims description 38
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000002337 anti-port Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model relates to the technical field of groundwater collection, in particular to a portable underground water collection device in a hole, it includes the backup pad and sets up the detection device in the backup pad, detection device and backup pad sliding connection, detection device includes the installation department, a detection part for detecting the water level and an adjustment part that is used for removing the installation department, the detection part is installed on the installation department, the detection part includes rope winding wheel and detection rope, it twines on rope winding wheel to detect the rope, rope winding wheel rotates with the installation department to be connected, the fixed one end that emits of detection rope is provided with and is used for responding to the water level detection head and is used for carrying out sample collection sampling device to groundwater, detect head and detection rope fixed connection, sampling device can dismantle with the detection rope and be connected, be provided with the alarm device who is used for reporting to the police when the water level is sensed to the detection head on the rope winding wheel, still be. The utility model discloses have and can carry out the effect of sampling to water when detecting the water level.
Description
Technical Field
The utility model belongs to the technical field of the technique of groundwater collection and specifically relates to a portable downthehole groundwater's collection system is related to.
Background
The steel ruler water level gauge is a water level measuring instrument, is usually used for measuring the water level in wells, drill holes and water level pipes, and is particularly suitable for observation of underground water level or manual inspection of infiltration lines of earth-rock dam bodies in hydropower engineering.
At present, chinese patent document No. CN203396441U, granted in the prior art, discloses a steel rule water level gauge, which mainly comprises a bracket, a wire spool rotatably connected to the bracket, and a receiving instrument disposed in the wire spool, wherein a steel rule cable is wound on the wire spool, one end of the steel rule cable is connected to the receiving instrument, and the other end of the steel rule cable is connected to a measuring head. When the measuring head is placed in the water level pipe during measurement, the measuring head moves downwards, when the contact point of the measuring head is contacted with the water surface, the sounder can give out continuous buzzing sound, and the reading of the steel ruler cable is recorded at the moment.
The above prior art solutions have the following drawbacks: the water level detection device can not sample water when detecting water, and a sampling device is additionally arranged for sampling after the water level is detected if the water level is required to be sampled.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a portable downthehole groundwater's collection system, set up detection device and sampling device, it has can carry out the effect of sampling to water when detecting the water level.
The above object of the present invention is achieved by the following technical solutions: a portable underground water collecting device in a hole, which comprises a supporting plate and a detecting device arranged on the supporting plate, the detection device is connected with the support plate in a sliding way and comprises an installation part, a detection part for detecting the water level and an adjusting part for moving the installation part, the detection part is arranged on the installation part and comprises a rope winding wheel and a detection rope, the detection rope is wound on the rope winding wheel, the rope winding wheel is rotationally connected with the mounting part, one end of the detection rope which is discharged is fixedly provided with a detection head for sensing water level and a device for collecting and sampling samples of underground water, detect the head and detect rope fixed connection, sampling device can dismantle with the detection rope and be connected, be provided with the alarm device who is used for reporting to the police when detecting the head and sensing the water level on the rope winding wheel, still be provided with in the backup pad and be used for fixing the fixing device at the detection mouth with the backup pad.
Through adopting above-mentioned technical scheme, install sampling device on the detection rope after, pass through fixing device with the backup pad and fix on detecting the mouth, adjust the central point that detects the mouth with the detection portion through adjusting the regulating part and put, forward rotates the rope wheel and will detect the rope and emit, when detecting the head and detecting water, alarm device reports to the police, the cable wheel is rolled up in the antiport, will detect the rope, take off collection system, can carry out the sampling when detecting the water level, the detection site is located the central point that detects the mouth, the possibility of error appears when reducing the detection.
The present invention may be further configured in a preferred embodiment as: sampling device includes collar and sample thief, the collar overlaps and establishes on detecting the rope, collar and detection rope sliding connection, the collar with detect the first butt, the sample thief can dismantle with the collar and be connected, the sample thief includes connecting sleeve and sampling portion, and connecting sleeve and the integrative setting of sampling portion detect the head and pass connecting sleeve.
Through adopting above-mentioned technical scheme, will detect the head and pass connecting sleeve, be used for the adapter sleeve to install ring threaded connection, and then fixed sample thief will detect head and connecting sleeve and put into detecting the mouth on detecting the rope, and rope is put into to the rope winding wheel, when detecting the head and detecting the water level, the sample thief samples.
The present invention may be further configured in a preferred embodiment as: the installation department includes bottom plate and support frame, and support frame fixed mounting is at the upper surface of bottom plate, fixed wearing to be equipped with the axis of rotation on the rope sheave, the both ends and the support frame rotation of axis of rotation are connected, the fixed slider that is provided with in the lower surface of bottom plate has seted up the spout in the backup pad, and slider sliding fit is in the spout, and the slider sets up to a T type slider, and the one end that detects the fag end stretches out in the spout, and an axis of rotation one end runs through support frame and coaxial fixed rotation motor.
Through adopting above-mentioned technical scheme, the position of installation department is portable, and then the central point that detects the mouth is adjusted to the detection portion puts, reduces measuring error, rotates the motor and is used for driving rope winding wheel to receive the rope and put the rope.
The present invention may be further configured in a preferred embodiment as: the adjusting part comprises a gear and a rack, the rack is fixedly connected with the sliding block, a rotating shaft is fixedly arranged on the gear in a penetrating mode, lug plates are arranged at two ends of the rotating shaft and fixedly connected with the supporting plate, the rotating shaft is rotatably connected with the lug plates, the gear is meshed with the rack, and a hand wheel is coaxially fixed on the rotating shaft.
Through adopting above-mentioned technical scheme, rotate the hand wheel, make the gear revolve, and then make the rack drive the installation department and remove.
The present invention may be further configured in a preferred embodiment as: the fixing device comprises a fixing claw, a moving claw and a compression spring, the fixing claw is fixedly connected with the lower surface of the supporting plate, a groove is formed in the lower surface of the supporting plate, a connecting block is arranged on the moving claw, the connecting block is in sliding fit in the groove, the compression spring is arranged in the groove, and two ends of the compression spring are fixedly connected with the inner wall of the moving claw and the inner wall of the groove respectively.
Through adopting above-mentioned technical scheme, pull the removal claw to the direction that is kept away from the stationary dog, the housing spring shrink, with stationary dog and detection mouth butt, loosen the removal claw, the housing spring extension makes the removal claw remove and compresses tightly the measurement mouth, and then fixes detection device on the detection mouth.
The present invention may be further configured in a preferred embodiment as: and the side surface of the fixed claw opposite to the movable claw is fixedly provided with an anti-slip pad, and the anti-slip pad is made of rubber.
Through adopting above-mentioned technical scheme, the setting of slipmat increases the frictional force between fixed claw, removal claw and the detection mouth.
The present invention may be further configured in a preferred embodiment as: the detection rope is arranged to be a steel ruler cable, scale marks are arranged on the steel ruler cable, the detection head is arranged to be a liquid level sensor, and the detection head is electrically connected with the alarm device.
Through adopting above-mentioned technical scheme, be provided with the scale mark on the steel chi cable, the user of being convenient for reads, and then confirms the water level.
The present invention may be further configured in a preferred embodiment as: the alarm device comprises a battery and an alarm lamp, and the detection head, the battery and the alarm lamp are connected in series.
Through adopting above-mentioned technical scheme, when level sensor detected water, the alarm lamp reported to the police, and the reading on the scale mark of reading this moment is measurable quantity water level promptly.
To sum up, the utility model discloses a following at least one useful technological effect:
1. after the sampling device is installed on the detection rope, the supporting plate is fixed on the detection port through the fixing device, the detection part is adjusted to the central position of the detection port through the adjusting part, the rope winding wheel is rotated in the forward direction to discharge the detection rope, when the detection head detects water, the alarm device gives an alarm, the rope winding wheel is rotated in the reverse direction to fold the detection rope, the sampling device is taken down, the water level can be detected and simultaneously sampled, the detection part is located at the central position of the detection port, and the possibility of error occurrence during detection is reduced;
2. the detection head penetrates through the connecting sleeve, the connecting sleeve is used for installing annular thread connection, then the fixed sampler is arranged on the detection rope, the detection head and the connecting sleeve are placed into the detection port, the rope is unwound by the rope winding wheel, and when the detection head detects the water level, the sampler samples.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
Fig. 3 is a schematic view showing the structure of the slider.
Fig. 4 is a schematic view showing the structure of the fixing device.
Reference numerals: 1. a support plate; 10. a chute; 11. a groove; 2. an installation part; 20. a base plate; 200. a slider; 21. a support frame; 3. a detection unit; 4. an adjustment section; 40. a gear; 400. a rotating shaft; 401. an ear plate; 41. a rack; 42. a hand wheel; 50. a rope winding wheel; 500. rotating the motor; 51. detecting the rope; 6. a detection head; 7. a sampling device; 70. a mounting ring; 71. a sampler; 72. a connecting sleeve; 73. a sampling section; 8. an alarm lamp; 9. a fixing device; 90. a fixed jaw; 91. a movable claw; 910. connecting blocks; 92. a compression spring; 93. a non-slip mat.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b): a portable underground water collecting device in a hole is shown in figure 1 and comprises a supporting plate 1 and a detecting device arranged on the supporting plate 1, wherein the detecting device is connected with the supporting plate 1 in a sliding way and comprises an installation part 2, a regulating part 4 for detecting detection portion 3 of water level and being used for removing installation department 2, detection portion 3 installs on installation department 2, detection portion 3 includes rope winding wheel 50 and detection rope 51, it twines on rope winding wheel 50 to detect rope 51, rope winding wheel 50 rotates with installation department 2 and is connected, the fixed detection head 6 and the sampling device 7 that is provided with of one end that detection rope 51 emits, detect head 6 and detection rope 51 fixed connection, sampling device 7 can dismantle with detection rope 51 and be connected, detection head 6 is used for responding to the water level, sampling device 7 is used for carrying out sample collection to groundwater, be provided with the alarm device who is used for reporting to the police when detection head 6 senses the water level on the rope winding wheel 50. The supporting plate 1 is also provided with a fixing device 9 for fixing the supporting plate 1 at the detection port. After the sampling device 7 is installed on the detection rope 51, the support plate 1 is fixed on the detection port through the fixing device 9, the detection part 3 is adjusted to the central position of the detection port through the adjusting part 4, the detection rope 51 is emitted by rotating the rope winding wheel 50 in the forward direction, when the detection head 6 detects water, the alarm device gives an alarm, the rope winding wheel 50 is rotated in the reverse direction, the detection rope 51 is wound, the sampling device 7 is taken down, the detection part 3 is located at the central position of the detection port, and the possibility of error occurrence during detection is reduced.
As shown in FIG. 1, the detection rope 51 is a steel ruler cable, and the steel ruler cable is provided with scale marks for the convenience of reading by the user, so as to determine the water level. Detect head 6 and set up to a level sensor, alarm device includes battery and alarm lamp 8, and level sensor establishes ties with battery and alarm lamp 8, and when level sensor detected water, alarm lamp 8 reported to the police, and the reading on the scale mark of reading out this moment is measurable quantity water level promptly.
As shown in fig. 2, the sampling device 7 includes a mounting ring 70 and a sampler 71, the mounting ring 70 is sleeved on the detection rope 51, the mounting ring 70 is slidably connected to the detection rope 51, the mounting ring 70 abuts against the detection head 6, and the sampler 71 is detachably connected to the mounting ring 70. The sampler 71 comprises a connecting sleeve 72 and a sampling part 73, the connecting sleeve 72 and the sampling part 73 are integrally arranged, the detection head 6 penetrates through the connecting sleeve 72, an internal thread is arranged on the inner wall of the connecting sleeve 72, and an external thread is arranged on the mounting ring 70 and is in threaded fit with the internal thread. The detection head 6 penetrates through the connecting sleeve 72, the connecting sleeve 72 is in threaded connection with the mounting ring 70, the sampler 71 is further fixed on the detection rope 51, the detection head 6 and the connecting sleeve 72 are placed in the detection port, the rope winding wheel 50 is unwound, and when the water level is detected by the detection head 6, the sampler 71 samples.
As shown in fig. 1 and 3, the mounting portion 2 includes a bottom plate 20 and a support frame 21, the support frame 21 is fixedly mounted on the upper surface of the bottom plate 20, a rotation shaft is fixedly inserted into the rope winding wheel 50, and two ends of the rotation shaft are rotatably connected to the support frame 21. The lower surface of the bottom plate 20 is fixedly provided with a slide block 200, the supporting plate 1 is provided with a slide groove 10, the slide block 200 is in sliding fit in the slide groove 10, the slide block 200 is a T-shaped slide block 200, and one end of the detection rope 51 with the detection head 6 extends out of the slide groove 10. The adjusting portion 4 comprises a gear 40 and a rack 41, the rack 41 is fixedly connected with the slider 200, a rotating shaft 400 is fixedly arranged on the gear 40 in a penetrating manner, lug plates 401 are arranged at two ends of the rotating shaft 400, the lug plates 401 are fixedly connected with the supporting plate 1, the rotating shaft 400 is rotatably connected with the lug plates 401, the gear 40 is meshed with the rack 41, and a hand wheel 42 is coaxially fixed on the rotating shaft 400. One end of the rotating shaft penetrates through the supporting frame 21 and is coaxially fixed with a rotating motor 500, and the rotating motor 500 is fixedly connected with the mounting part 2. The hand wheel 42 is rotated to enable the gear 40 to rotate, the gear 40 rotates to enable the rack 41 to drive the installation part 2 to move, then the detection part 3 is adjusted to the center position of the detection opening, the measurement error is reduced, and the rotating motor 500 is used for driving the rope winding wheel 50 to wind and unwind the rope.
As shown in fig. 4, the fixing device 9 includes a fixed claw 90, a movable claw 91 and a pressure spring 92, the fixed claw 90 is fixedly connected to the lower surface of the support plate 1, the lower surface of the support plate 1 is provided with a groove 11, the movable claw 91 is provided with a connecting block 910, the connecting block 910 is slidably fitted in the groove 11, the pressure spring 92 is disposed in the groove 11, and two ends of the pressure spring 92 are respectively fixedly connected to the inner walls of the movable claw 91 and the groove 11. The movable claw 91 is pulled in a direction away from the fixed claw 90, the pressing spring 92 contracts, the fixed claw 90 is abutted against the detection port, the movable claw 91 is released, the pressing spring 92 extends to enable the movable claw 91 to move and press the measurement port, and then the detection device is fixed on the detection port. The side of the fixed claw 90 opposite to the moving claw 91 is fixedly provided with a non-slip pad 93, and the material of the non-slip pad 93 is rubber. The friction between the fixed claw 90, the movable claw 91 and the detection port is increased by the provision of the anti-slip pad 93.
The implementation principle of the embodiment is as follows: pulling the movable claw 91, abutting the fixed claw 90 with the detection port, loosening the movable claw 91, extending the pressing spring 92 to enable the movable claw 91 to move and press the measurement port, and further fixing the detection device on the detection port; the position of the movable installation part 2 of the hand wheel 42 is rotated, then the central position of a detection port is adjusted by the detection part 3, the measuring error is reduced, the motor 500 is rotated to drive the rope winding wheel 50 to unwind, the sampler 71 samples water when the detection head 6 contacts water, meanwhile, the alarm lamp 8 gives an alarm, the reading on the scale mark is read out, the motor 500 is rotated to drive the rope winding wheel 50 to wind up the rope, and the sampler 71 is taken down.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides a portable downthehole groundwater collection system which characterized in that: comprises a supporting plate (1) and a detection device arranged on the supporting plate (1), wherein the detection device is connected with the supporting plate (1) in a sliding way, the detection device comprises an installation part (2), a detection part (3) used for detecting the water level and an adjusting part (4) used for moving the installation part (2), the detection part (3) is arranged on the installation part (2), the detection part (3) comprises a rope winding wheel (50) and a detection rope (51), the detection rope (51) is wound on the rope winding wheel (50), the rope winding wheel (50) is rotationally connected with the installation part (2), one end of the detection rope (51) which is discharged is fixedly provided with a detection head (6) used for sensing the water level and a sampling device (7) used for collecting and sampling groundwater samples, the detection head (6) is fixedly connected with the detection rope (51), and the sampling device (7) is detachably connected with the detection rope (51), the rope winding wheel (50) is provided with an alarm device for alarming when the detection head (6) senses the water level, and the supporting plate (1) is further provided with a fixing device (9) for fixing the supporting plate (1) at the detection port.
2. A portable downhole groundwater collection apparatus as claimed in claim 1, wherein: sampling device (7) are including collar (70) and sample thief (71), collar (70) cover is established on detecting rope (51), collar (70) with detect rope (51) sliding connection, collar (70) with detect head (6) butt, sample thief (71) can be dismantled with collar (70) and be connected, sample thief (71) is including connecting sleeve (72) and sampling portion (73), and connecting sleeve (72) and sampling portion (73) an organic whole set up, detects head (6) and passes connecting sleeve (72).
3. A portable underground water collecting device in a hole according to claim 1, wherein the mounting portion (2) comprises a bottom plate (20) and a supporting frame (21), the supporting frame (21) is fixedly mounted on the upper surface of the bottom plate (20), a rotating shaft is fixedly arranged on the rope winding wheel (50) in a penetrating manner, two ends of the rotating shaft are rotatably connected with the supporting frame (21), a sliding block (200) is fixedly arranged on the lower surface of the bottom plate (20), a sliding groove (10) is formed in the supporting plate (1), the sliding block (200) is in sliding fit in the sliding groove (10), one end of the detection rope (51) with the detection head (6) extends out of the sliding groove (10), and one end of the rotating shaft penetrates through the supporting frame (21) and coaxially fixes a rotating motor (500).
4. A portable underground water collecting device in a hole according to claim 2, wherein the adjusting part (4) comprises a gear (40) and a rack (41), the rack (41) is fixedly connected with the slider (200), a rotating shaft (400) is fixedly arranged on the gear (40) in a penetrating manner, lug plates (401) are arranged at two ends of the rotating shaft (400), the lug plates (401) are fixedly connected with the supporting plate (1), the rotating shaft (400) is rotatably connected with the lug plates (401), the gear (40) is engaged with the rack (41), and a hand wheel (42) is coaxially fixed on the rotating shaft (400).
5. A portable underground water collecting device in a hole according to claim 3, characterized in that the fixing device (9) comprises a fixing claw (90), a moving claw (91) and a pressing spring (92), the fixing claw (90) is fixedly connected with the lower surface of the supporting plate (1), the lower surface of the supporting plate (1) is provided with a groove (11), the moving claw (91) is provided with a connecting block (910), the connecting block (910) is slidably fitted in the groove (11), the pressing spring (92) is arranged in the groove (11), and two ends of the pressing spring (92) are respectively fixedly connected with the moving claw (91) and the inner wall of the groove (11).
6. A portable underground water collecting apparatus in a hole according to claim 5, characterized in that the side of the fixed claw (90) opposite to the movable claw (91) is fixedly provided with a non-slip mat (93), and the material of the non-slip mat (93) is rubber.
7. A portable underground water collecting apparatus for use in a hole according to claim 1, wherein said detecting rope (51) is a steel ruler cable, said steel ruler cable is provided with graduation marks, said detecting head (6) is a liquid level sensor, said detecting head (6) is electrically connected with an alarm device.
8. A portable underground water collecting apparatus for use in a hole according to claim 7, characterized in that said alarm device comprises a battery and an alarm lamp (8), said detecting head (6), battery and alarm lamp (8) being connected in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527852.7U CN211602080U (en) | 2020-04-11 | 2020-04-11 | Portable collecting device for underground water in hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020527852.7U CN211602080U (en) | 2020-04-11 | 2020-04-11 | Portable collecting device for underground water in hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211602080U true CN211602080U (en) | 2020-09-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020527852.7U Expired - Fee Related CN211602080U (en) | 2020-04-11 | 2020-04-11 | Portable collecting device for underground water in hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211602080U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073975A (en) * | 2021-03-04 | 2021-07-06 | 中国地质科学院岩溶地质研究所 | Device and method for sampling deep water sample in borehole |
| CN116124521A (en) * | 2023-04-18 | 2023-05-16 | 山东益源环保科技有限公司 | Groundwater quality of water sampling monitoring devices |
| CN117191488A (en) * | 2023-11-07 | 2023-12-08 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Groundwater sampling device for hydrogeology |
-
2020
- 2020-04-11 CN CN202020527852.7U patent/CN211602080U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113073975A (en) * | 2021-03-04 | 2021-07-06 | 中国地质科学院岩溶地质研究所 | Device and method for sampling deep water sample in borehole |
| CN113073975B (en) * | 2021-03-04 | 2022-07-12 | 中国地质科学院岩溶地质研究所 | Device and method for collecting deep water samples set in drill holes |
| CN116124521A (en) * | 2023-04-18 | 2023-05-16 | 山东益源环保科技有限公司 | Groundwater quality of water sampling monitoring devices |
| CN116124521B (en) * | 2023-04-18 | 2023-09-08 | 山东益源环保科技有限公司 | Groundwater quality of water sampling monitoring devices |
| CN117191488A (en) * | 2023-11-07 | 2023-12-08 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Groundwater sampling device for hydrogeology |
| CN117191488B (en) * | 2023-11-07 | 2024-01-30 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Groundwater sampling device for hydrogeology |
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Granted publication date: 20200929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |