CN113588327A - Reservoir bottom silt layer sampling device - Google Patents
Reservoir bottom silt layer sampling device Download PDFInfo
- Publication number
- CN113588327A CN113588327A CN202110893739.XA CN202110893739A CN113588327A CN 113588327 A CN113588327 A CN 113588327A CN 202110893739 A CN202110893739 A CN 202110893739A CN 113588327 A CN113588327 A CN 113588327A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- sampling
- rod
- sliding
- claw
- Prior art date
- 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.)
- Granted
Links
- 238000005070 sampling Methods 0.000 title claims abstract description 49
- 210000000078 claw Anatomy 0.000 claims abstract description 26
- 239000010802 sludge Substances 0.000 claims abstract description 16
- 230000017105 transposition Effects 0.000 claims description 12
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000003756 stirring Methods 0.000 description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 240000007643 Phytolacca americana Species 0.000 description 1
- 235000009074 Phytolacca americana Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a sampling device for a sludge layer at the bottom of a reservoir, and relates to the field of hydraulic engineering. This reservoir bottom silt layer sampling device, including PMKD, PMKD upside fixedly connected with connecting plate, PMKD upside fixedly connected with center pin, the even piece of center pin upper end fixedly connected with counter weight, the center pin surface rotates and is connected with and dials the claw, the even piece of one side fixedly connected with four sides axle that is close to each other of counter weight, four sides axle four-axis surface rotates and is connected with the straight-teeth gear, straight-teeth gear surface meshes has the draw runner, one side fixedly connected with overflow tank that the draw runner was kept away from each other, one side fixedly connected with sample alms bowl that the overflow tank was kept away from each other. This reservoir bottom silt layer sampling device through draw runner and straight-tooth gear cross connection, makes the device can sample repeatedly in same region, through straight-tooth gear and draw runner meshing, makes the sample alms bowl be located the surface of water below all the time and carries out the continuous sampling, has reached in succession and the effect of continuous sampling, has solved the problem of same position continuous sampling.
Description
Technical Field
The invention relates to the field of hydraulic engineering, in particular to a sampling device for a sludge layer at the bottom of a reservoir.
Background
River sediment sampling can be carried out on a hydrological section of a hydrological station in combination with bed load and suspended load tests. The sampling point should be Zhonghong Deng and two sides sparse. The sampling times are based on the principle of controlling the erosion-deposition change process of the river channel section, and the dry period is more than the flat period and the flood period.
In order to monitor the water quality, the water bottom sludge layer is required to be observed frequently in the reservoir, however, the existing sludge sampling device can not observe all layers of the water bottom sludge by extracting the sludge, and therefore, a structural device capable of observing and analyzing the sludge layer and sampling repeatedly is required.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a reservoir bottom sludge layer sampling device, which solves the problems that continuous sampling at the same position is required, a large amount of water needs to be extracted during sampling, and the sludge nearby cannot be sampled after the device rotates and submerges.
In order to achieve the purpose, the invention is realized by the following technical scheme: a silt layer sampling device at the bottom of a reservoir comprises a fixed bottom plate, wherein a connecting plate is fixedly connected to the upper side of the fixed bottom plate, a central shaft is fixedly connected to the upper side of the fixed bottom plate, a balance weight connecting block is fixedly connected to the upper end of the central shaft, a stirring claw is rotatably connected to the outer surface of the central shaft, a four-sided shaft is fixedly connected to one side, close to each other, of the balance weight connecting block, a straight gear is rotatably connected to the four-sided shaft surface, a slide bar is meshed with the outer surface of the straight gear, an overflow groove is fixedly connected to one side, far away from each other, of the slide bar, a sampling bowl is fixedly connected to one side, far away from each other, the bottom end of the sampling bowl is rotatably connected with a silt breaking head, a pushing rod is fixedly connected to the bottom end of the slide bar, one end, far away from the slide bar, is slidably connected with the stirring claw, a guide rod is slidably connected to an inner groove of the slide bar, the bottom end of the guide rod is fixedly connected with the connecting plate, a dislocation frame is fixedly connected to the upper end of the guide rod, and a low-level rod is fixedly connected to the upper end of the slide bar, the upper end of the slide bar is fixedly connected with a high-level rod, the high-level rod is connected with the dislocation frame in a sliding mode, the upper end of the high-level rod is fixedly connected with a holding cylinder, an inner groove of the holding cylinder is connected with a transposition rod in a sliding mode, the transposition rod is connected with the dislocation frame in a sliding mode, and the bottom end of the transposition rod is fixedly connected with the low-level rod.
Preferably, the center of the poking claw is provided with a steering cylinder, the upper end and the lower end of the steering cylinder are provided with spiral grooves, the spiral grooves are connected and communicated, the surface of the steering cylinder is fixedly connected with a turning claw, and the turning claw is arranged on the outer side of the sampling bowl.
Preferably, the center of the four-side shaft is a cylindrical anti-collision column, the bottom end of the anti-collision column is fixedly connected with a cross-shaped rotating column, and four ends of the rotating column are rotationally connected with straight gears.
Preferably, the shape of the sliding strip is a fan-shaped column, teeth are arranged on two adjacent planes of the fan-shaped column, two round holes are formed in the cross section of the sliding strip, and the overflow groove is fixedly connected with the peripheral surface.
Preferably, the overflow tank is a quarter arc frame, the outer layer of the arc frame is provided with two rows of eighteen groups of round holes, and each group of round holes is three in total and is in the sampling bowl inner groove.
Preferably, the mud breaking head is conical in shape, three spiral blades are fixedly connected to the peripheral surface of the cone, and the mud breaking head is arranged right below the sampling bowl.
Preferably, the appearance of the dislocation frame is cross-shaped, the two ends close to the high-position rod are connected with the high-position rod in a sliding manner, the two ends far away from the high-position rod are provided with sliding grooves, and the low-position rod is positioned under the sliding grooves.
Compared with the prior art, the invention has the following beneficial effects:
1. this reservoir bottom silt layer sampling device through draw runner and straight-tooth gear cross connection, makes the device can sample repeatedly in same region, through straight-tooth gear and draw runner meshing, makes the sample alms bowl be located the surface of water below all the time and carries out the continuous sampling, has reached in succession and the effect of continuous sampling, has solved the problem of same position continuous sampling.
2. This reservoir bottom silt layer sampling device sets up the spiral groove through the center pin surface stirring the claw, makes to stir the claw and can stir near silt and be close to the sample alms bowl, stirs the claw through catch bar promotion control and rotates, makes to stir the claw and can cooperate the sample alms bowl to assist and excavates, has reached the effect of near silt of automatic collection, has solved the device and has rotated the problem that near silt diffusion can't take a sample after diving.
3. This reservoir bottom silt layer sampling device drills to bottom silt through broken mud head and gets, makes the sample alms bowl can get into harder earth, through setting the overflow tank to penetrating shape from top to bottom, can reduce the resistance when making the device descend and can discharge sample alms bowl ponding fast when rising, has reached the effect of sample earth alone, need extract the problem of a large amount of moisture when having solved the sample.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic view of a four-sided shaft structure according to the present invention;
FIG. 4 is a schematic view of a slider structure according to the present invention;
FIG. 5 is a schematic view of a striking pawl of the present invention;
fig. 6 is a schematic structural view of the pulling claw of the present invention.
The device comprises a fixed bottom plate-1, a connecting plate-2, a central shaft-3, a shifting claw-4, a counterweight connecting block-5, a four-side shaft-6, a spur gear-7, a slide bar-8, an overflow tank-9, a sampling bowl-10, a mud breaking head-11, a guide rod-12, a push rod-13, a low rod-14, a high rod-15, a righting barrel-16, a dislocation frame-17 and a transposition rod-18.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-6, a reservoir bottom sludge layer sampling device comprises a fixed base plate 1, a connecting plate 2 is fixedly connected to the upper side of the fixed base plate 1, a central shaft 3 is fixedly connected to the upper side of the fixed base plate 1, a balance weight connecting block 5 is fixedly connected to the upper end of the central shaft 3, a stirring claw 4 is rotatably connected to the outer surface of the central shaft 3, one side of the balance weight connecting block 5, which is close to each other, is fixedly connected with a four-sided shaft 6, four-sided shafts 6 are rotatably connected with a spur gear 7, cylindrical anti-collision columns are arranged at the centers of the four-sided shafts 6, cross-shaped rotating columns are fixedly connected to the bottoms of the anti-collision columns, straight gears 7 are rotatably connected to four ends of the rotating columns, the four-sided shafts 6 utilize the anti-collision columns to reduce impact caused by movement of an upper end mechanism, and positions of the four spur gears 7 are fixed through the cross-shaped rotating columns.
One side fixedly connected with sample alms bowl 10 that the overflow tank 9 kept away from each other stirs 4 central point and turns to a section of thick bamboo, turns to a section of thick bamboo upper and lower both ends and has seted up the spiral groove, and spiral groove connection is link up, turns to a section of thick bamboo fixed surface and is connected with the stirring claw, and the stirring claw is in sample alms bowl 10 outside, stirs claw 4 and makes near silt to stir into in the sample alms bowl 10 through rocking about.
9 fourth arc frames of overflow tank, two rows of eighteen groups of round holes altogether have been seted up to the arc frame skin, and every group round hole is total three all in sampling alms bowl 10 inside grooves, and overflow tank 9 can prevent through arc frame and round hole that silt is gone out by rivers recoil in the sampling alms bowl 10 and is influenced the sample effect.
The bottom end of the sampling pot 10 is rotatably connected with a mud breaking head 11, the mud breaking head 11 is conical, three spiral blades are fixedly connected to the periphery of the cone, the mud breaking head 11 is arranged right below the sampling pot 10, and the mud breaking head 11 has the function of breaking through a mud layer.
8 bottom fixedly connected with catch bars 13 of draw runner, the one end that 8 of draw runner were kept away from to catch bars 13 and stir 4 sliding connection of claw, 8 inside groove sliding connection of draw runner has guide bar 12, 12 bottom and 2 fixed connection of connecting plate of guide bar, 12 upper ends fixedly connected with dislocation frame 17 of guide bar, 8 upper ends fixedly connected with low level pole 14 of draw runner, 8 upper ends fixedly connected with high level pole 15 of draw runner, high level pole 15 and dislocation frame 17 sliding connection, dislocation frame 17 appearance is the cross, both ends and the high level pole 15 sliding connection that are close to high level pole 15, the spout has been seted up at the both ends of keeping away from high level pole 15, low level pole 14 is located under the spout, dislocation frame 17 has the effect of preventing low level pole 14 and high level pole 15 collisions.
The upper end of the high-level rod 15 is fixedly connected with a holding cylinder 16, an inner groove of the holding cylinder 16 is connected with a transposition rod 18 in a sliding manner, the transposition rod 18 is connected with a dislocation rack 17 in a sliding manner, and the bottom end of the transposition rod 18 is fixedly connected with the low-level rod 14.
When in use, the fixed bottom plate 1 is fixed at the bottom of a reservoir, the transposition rod 18 is pressed, the transposition rod 18 drives the low level rod 14 to descend, the low level rod 14 presses the group of slide bars 8 at the opposite corners to descend along the guide rods 12, when the mud breaking head 11 contacts with the mud, the shifting rod 18 is pressed again, the mud breaking head 11 is rotated to drill into the mud, the pushing rod 13 pushes the shifting claw 4 to rotate when going to the bottom, the shifting claw 4 pushes the mud into the sampling bowl 10, the straight gear 7 is shifted when the sliding strip 8 descends, the straight gear 7 pushes the other group of sliding strips 8 to ascend, the shifting rod 18 descends while the position supporting cylinder 16 ascends, the position supporting cylinder 16 is pressed, the sliding strip 8 ascends, the shifting claw 4 resets at the pushing rod 13, the water in the sampling bowl 10 flows out from the overflow groove 9, the other group of sliding strips 8 descend to the bottom when the one group of sliding strips 8 ascend to the top, through the groove on the surface of the poking claw 4, the poking claw 4 pokes towards one side when the sliding strip 8 on one side descends to the bottom.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a reservoir bottom silt layer sampling device, includes PMKD (1), its characterized in that: the device is characterized in that a connecting plate (2) is fixedly connected to the upper side of a fixed base plate (1), a central shaft (3) is fixedly connected to the upper side of the fixed base plate (1), a balance weight connecting block (5) is fixedly connected to the upper end of the central shaft (3), a poking claw (4) is rotatably connected to the outer surface of the central shaft (3), a four-sided shaft (6) is fixedly connected to one side, close to each other, of the balance weight connecting block (5), a straight gear (7) is rotatably connected to the four-sided shaft surface of the four-sided shaft (6), a sliding strip (8) is meshed to the outer surface of the straight gear (7), an overflow groove (9) is fixedly connected to one side, far away from each other, of the sliding strip (8), a sampling bowl (10) is fixedly connected to one side, far away from each other, of the overflow groove (9), a mud breaking head (11) is rotatably connected to the bottom end of the sampling bowl (10), a push rod (13) is fixedly connected to the bottom end of the sliding strip (8), and is slidably connected to the poking claw (4), the inner groove of the sliding strip (8) is connected with a guide rod (12) in a sliding manner, the bottom end of the guide rod (12) is fixedly connected with the connecting plate (2), and the upper end of the guide rod (12) is fixedly connected with a dislocation rack (17);
the upper end of the sliding strip (8) is fixedly connected with a low-level rod (14), the upper end of the sliding strip (8) is fixedly connected with a high-level rod (15), the high-level rod (15) is connected with a dislocation rack (17) in a sliding mode, the upper end of the high-level rod (15) is fixedly connected with a holding cylinder (16), an inner groove of the holding cylinder (16) is connected with a transposition rod (18) in a sliding mode, the transposition rod (18) is connected with the dislocation rack (17) in a sliding mode, and the bottom end of the transposition rod (18) is fixedly connected with the low-level rod (14).
2. The apparatus for sampling a sludge layer at the bottom of a reservoir according to claim 1, wherein: the center of the poking claw (4) is provided with a steering cylinder, the upper end and the lower end of the steering cylinder are provided with spiral grooves which are connected and communicated, the surface of the steering cylinder is fixedly connected with a turning claw, and the turning claw is arranged on the outer side of the sampling pot (10).
3. The apparatus for sampling a sludge layer at the bottom of a reservoir according to claim 1, wherein: the center of the four-sided shaft (6) is a cylindrical anti-collision column, the bottom end of the anti-collision column is fixedly connected with a cross-shaped rotating column, and four ends of the rotating column are rotationally connected with straight gears (7).
4. The apparatus for sampling a sludge layer at the bottom of a reservoir according to claim 1, wherein: the shape of the sliding strip (8) is a fan-shaped column, teeth are arranged on two adjacent planes of the fan-shaped column, two round holes are formed in the cross section of the sliding strip (8), and the overflow groove (9) is fixedly connected with the circumferential surface.
5. The apparatus for sampling a sludge layer at the bottom of a reservoir according to claim 1, wherein: the overflow tank (9) is a quarter arc frame, the outer layer of the arc frame is provided with two rows of eighteen groups of round holes, and each group of round holes is three in total and is arranged in the sampling pot (10).
6. The apparatus for sampling a sludge layer at the bottom of a reservoir according to claim 1, wherein: the mud breaking head (11) is conical in shape, three spiral blades are fixedly connected to the peripheral surface of the cone, and the mud breaking head (11) is arranged right below the sampling bowl (10).
7. The apparatus for sampling a sludge layer at the bottom of a reservoir according to claim 1, wherein: the appearance of the dislocation frame (17) is cross-shaped, the two ends close to the high-position rod (15) are connected with the high-position rod (15) in a sliding mode, the two ends far away from the high-position rod (15) are provided with sliding grooves, and the low-position rod (14) is located under the sliding grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110893739.XA CN113588327B (en) | 2021-08-05 | 2021-08-05 | Reservoir bottom silt layer sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110893739.XA CN113588327B (en) | 2021-08-05 | 2021-08-05 | Reservoir bottom silt layer sampling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113588327A true CN113588327A (en) | 2021-11-02 |
| CN113588327B CN113588327B (en) | 2024-09-06 |
Family
ID=78255269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110893739.XA Active CN113588327B (en) | 2021-08-05 | 2021-08-05 | Reservoir bottom silt layer sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113588327B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6237429B1 (en) * | 1998-10-20 | 2001-05-29 | Br Tools Inc. | Soil sampling apparatus |
| JP2014006055A (en) * | 2012-06-21 | 2014-01-16 | East Nippon Expressway Co Ltd | Concrete sampling device, and method for using same |
| CN204831829U (en) * | 2015-08-04 | 2015-12-02 | 浙江广川工程咨询有限公司 | Low bearing capacity silt matter soil sampler of shallow layer |
| CN206862685U (en) * | 2017-05-18 | 2018-01-09 | 南京德阳工程监理咨询有限公司 | Sludge sampler |
| CN109991038A (en) * | 2019-04-17 | 2019-07-09 | 福建师范大学福清分校 | A kind of bottom sediment automatic sampling device |
| CN111579295A (en) * | 2020-05-28 | 2020-08-25 | 生态环境部南京环境科学研究所 | Sampling storage device for soil detection |
| CN111855297A (en) * | 2020-08-14 | 2020-10-30 | 广东正方圆工程咨询有限公司 | A silt sampling device for water conservancy diversion reconnaissance |
| CN211954806U (en) * | 2020-04-03 | 2020-11-17 | 山东省地质矿产勘查开发局第六地质大队 | Underwater sludge sampling mechanism |
| CN212134123U (en) * | 2020-01-17 | 2020-12-11 | 安徽省淮河河道工程有限公司 | River silt detection device |
| CN212482983U (en) * | 2020-05-20 | 2021-02-05 | 赤峰兴亿水利水电有限公司 | Hydraulic engineering river administers and uses silt sampling device |
-
2021
- 2021-08-05 CN CN202110893739.XA patent/CN113588327B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6237429B1 (en) * | 1998-10-20 | 2001-05-29 | Br Tools Inc. | Soil sampling apparatus |
| JP2014006055A (en) * | 2012-06-21 | 2014-01-16 | East Nippon Expressway Co Ltd | Concrete sampling device, and method for using same |
| CN204831829U (en) * | 2015-08-04 | 2015-12-02 | 浙江广川工程咨询有限公司 | Low bearing capacity silt matter soil sampler of shallow layer |
| CN206862685U (en) * | 2017-05-18 | 2018-01-09 | 南京德阳工程监理咨询有限公司 | Sludge sampler |
| CN109991038A (en) * | 2019-04-17 | 2019-07-09 | 福建师范大学福清分校 | A kind of bottom sediment automatic sampling device |
| CN212134123U (en) * | 2020-01-17 | 2020-12-11 | 安徽省淮河河道工程有限公司 | River silt detection device |
| CN211954806U (en) * | 2020-04-03 | 2020-11-17 | 山东省地质矿产勘查开发局第六地质大队 | Underwater sludge sampling mechanism |
| CN212482983U (en) * | 2020-05-20 | 2021-02-05 | 赤峰兴亿水利水电有限公司 | Hydraulic engineering river administers and uses silt sampling device |
| CN111579295A (en) * | 2020-05-28 | 2020-08-25 | 生态环境部南京环境科学研究所 | Sampling storage device for soil detection |
| CN111855297A (en) * | 2020-08-14 | 2020-10-30 | 广东正方圆工程咨询有限公司 | A silt sampling device for water conservancy diversion reconnaissance |
Non-Patent Citations (1)
| Title |
|---|
| 薛文鼎: ""水下清淤取样检测器具的研究与应用"", 《中国港湾建设》, no. 6 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113588327B (en) | 2024-09-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113047268B (en) | Concrete pipe pile with high stability coefficient and anti-settling function | |
| CN116337510A (en) | Open-close type sampling drill bit structure for soil sampling | |
| CN113588327A (en) | Reservoir bottom silt layer sampling device | |
| CN115613530A (en) | Cleaning device and method for preventing and treating water pollution | |
| CN110954363B (en) | Layered sampling device for sewage pool of sewage plant | |
| CN211148066U (en) | Wetland ecosystem soil sampling device | |
| CN211784396U (en) | Novel forest land soil sampler | |
| CN112517227A (en) | Seed screening device and method | |
| CN115852920A (en) | Automatic cleaning device of harbour pollutant | |
| CN215339057U (en) | Deepwater water quality extraction device | |
| CN209494002U (en) | A kind of cistern | |
| CN212405067U (en) | Floater cleaning device for hydraulic engineering | |
| DE10103002B4 (en) | Device for producing red wine | |
| DE586573C (en) | Device for removing floating Klaerrueckstaenden from settling basins | |
| CN215427455U (en) | Self-lifting sedimentation tank for clay adsorbent | |
| CN217304421U (en) | Riverbed sediment sampling device | |
| CN215364948U (en) | Artificial aquatic plant water purifying device | |
| CN218411877U (en) | Prosthetic water source sampling device of environment | |
| CN216247372U (en) | Excavation formula adopt mud ware | |
| CN216999623U (en) | River course cleaning device is used in hydraulic ecological engineering construction | |
| CN220951417U (en) | River course ecological environment protection prosthetic devices | |
| CN220554609U (en) | Sewage treatment pool | |
| CN214718330U (en) | Walnut screening plant is used in walnut oil production | |
| CN220469807U (en) | Cleaning device for spiral blade of long spiral drilling machine | |
| CN217462086U (en) | Device for increasing hole cleaning efficiency of underwater cast-in-place pile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240812 Address after: 210000 No. 59 Wang Qiao Road, Xiongzhou Street, Liuhe District, Nanjing City, Jiangsu Province Applicant after: Mayu Sci Tech Innovation Services (Nanjing) Co.,Ltd. Country or region after: China Address before: Room j5024, building 2, No. 4268, Zhennan Road, Jiading District, Shanghai 201800 Applicant before: Zhu Li Country or region before: China |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |