CN109855908B - Automatic sampling device for suspended load sediment - Google Patents
Automatic sampling device for suspended load sediment Download PDFInfo
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- CN109855908B CN109855908B CN201910192687.6A CN201910192687A CN109855908B CN 109855908 B CN109855908 B CN 109855908B CN 201910192687 A CN201910192687 A CN 201910192687A CN 109855908 B CN109855908 B CN 109855908B
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- sampling
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- 238000005070 sampling Methods 0.000 title claims abstract description 194
- 239000013049 sediment Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000005303 weighing Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000003028 elevating effect Effects 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to an automatic suspended load sediment sampling device, which solves the problems that the existing suspended load sediment sampling is generally finished by manpower, the workload is large, and the sampling standard is influenced by the manpower. The device comprises a sampling chamber, wherein a cylindrical sampling shield extending downwards is arranged at the center of the bottom surface of the sampling chamber, a hollow convection hole is formed in the side wall of the sampling shield, a lifting device is vertically arranged between the top end of the sampling chamber and the lower end of the sampling shield, a sampling cylinder capable of being turned outwards is hinged to one side of the lifting device, an annular track is arranged in the sampling chamber in a surrounding mode, sampling bottles are uniformly arranged on the annular track, a funnel fixed on the inner wall of the sampling chamber is arranged at the position, corresponding to the sampling cylinder, of the annular track, and the bottle mouth is aligned with the lower end of the funnel when the sampling bottles rotate below the funnel. According to the invention, the results of multiple sampling are respectively filled into the sampling bottle, and the weighing of the muddy water sample is directly completed after the sampling is completed, so that the influence of water evaporation on the measurement accuracy is avoided.
Description
Technical Field
The invention relates to a hydrologic information acquisition device, in particular to an automatic suspended load sediment sampling device.
Background
The hydrologic department needs to monitor the hydrologic information of the river channel throughout the year, provides hydrologic information for various construction plans of the country, and plays an important role in development planning of the periphery of the river channel. Suspended sediment, also known as suspended sediment, refers to sediment suspended in water and moving with the water flow under the turbulent action of the water flow. The suspended load sediment index is an important index required by the construction of hydraulic and hydroelectric engineering, and can influence reservoir sedimentation, river evolution, diversion canal head, canal system sedimentation and the like. The monitoring of the sand content of suspended load sediment firstly needs to sample the river water body, and then the sand content in the water sample is measured. The traditional suspended solid sediment sampling is generally completed manually, the workload is large, and the sampling standard is affected manually.
Disclosure of Invention
The invention aims to solve the problems that the existing suspended sediment sampling is generally finished by manual work, the workload is large, and the sampling standard is affected by manual work, and provides an automatic suspended sediment sampling device.
The technical scheme adopted for solving the technical problems is as follows: an automatic sampling device for suspended load sediment, which is characterized in that: including the sampling room, the center of sampling room bottom surface is equipped with downwardly extending's cylinder sampling guard shield, and the lateral wall of sampling guard shield sets up the convection current hole of fretwork, and the vertical elevating gear that is equipped with between sampling room top to the sampling guard shield lower extreme, elevating gear's one side articulates the setting and can turn over the sampling cylinder outward, and the sampling room is indoor to encircle the sampling guard shield and sets up annular rail, evenly arranges the sampling bottle on the annular rail, and annular rail top corresponds the position with the sampling cylinder and is equipped with the funnel that is fixed in the sampling room inner wall, the bottleneck aligns with the funnel lower extreme when the sampling bottle rotates the funnel below. The sampling guard shield is the fretwork lateral wall, the bottom also can adopt the wire netting to seal, can organize bulky foreign matter and get into and do not influence rivers and exchange, elevating gear drives the sampling tube and descends below the water level, the upper cover and the lower cover of sampling tube open into water, elevating gear drives the sampling tube after the sampling tube is full of water and rises, upper cover and lower cover inertial closure, touching kicking block when the top that the sampling tube risen, the sampling tube is automatic to the upset outwards pour water into the sampling bottle into, elevating gear drives the sampling tube and descends, the lateral wall of funnel is dial upwards with the sampling tube, make the eave tile of sampling tube collude again and be vertical state decline completion next sampling. And after the sampling bottle finishes one-time sampling, rotating a station, and moving the next sampling bottle to the lower part of the funnel. The device can automatically complete multiple sampling.
Preferably, the lower part of the sampling tube is hinged with the lifting device through a hinge shaft towards the side wall of the lifting device, the upper part of the sampling tube is provided with a fixed hook head with the upper end bent downwards towards the side wall of the lifting device, the lifting device is provided with a hook seat corresponding to the upper part of the sampling tube, a movable hook head with the lower end bent upwards and capable of moving up and down is arranged on the hook seat corresponding to the fixed hook head, a jacking spring is arranged between the lower end face of the movable hook head and the hook seat, the upper end of the movable hook head is higher than the upper surface of the sampling tube, and the top of the sampling chamber is aligned with the upper end of the movable hook head and provided with a jacking block. When the sampling tube is driven to the top end by the lifting device, the movable hook is pushed downwards by the jacking block, so that the movable hook and the fixed hook are separated, the gravity center of the sampling tube is positioned at the outer side of the hinged position, and the sampling tube automatically turns outwards to pour water in the sampling tube into the funnel and pour the water into the sampling bottle.
Preferably, one side of the funnel facing the sampling cylinder is provided with an arc groove gap matched with the outer wall of the sampling cylinder, and the arc groove gap is abutted against the outer wall of the sampling cylinder in a vertical state. The arc-shaped groove of the funnel can be matched with the outer wall of the sampling tube to prevent water leakage, and when the sampling tube descends, the arc-shaped groove of the funnel upwards toggles the side wall of the sampling tube, so that the sampling tube is upwards flipped and erected again.
Preferably, the upper surface of the sampling tube is provided with an upper cover which can be turned upwards, and the lower surface of the sampling tube is provided with a lower cover which can be turned upwards.
Preferably, a section of the annular track is provided with a weighing sensor, and the weighing sensor is arranged at the rotating rear side of the corresponding position of the annular track and the funnel. Weighing is directly completed after each sampling, and inaccurate detection results caused by weight reduction of the water sample in the standing process are avoided.
Preferably, the outer side edge of the annular track is an active swivel, and the active swivel is provided with holding arms for holding and clamping two sides of the sampling bottle corresponding to each sampling bottle.
Preferably, a blowing device for blowing the outer wall of the sampling bottle is obliquely arranged below the funnel and above the annular rail.
Preferably, the upper end of the sampling shield is higher than the highest water level of the river course in the past year, the lower end of the sampling shield is lower than the lowest water level of the river course in the past year, and a water level remote measuring sensor is arranged on the bottom surface of the outer wall of the sampling chamber at the outer side of the sampling shield.
Preferably, a water temperature sensor is arranged on the side wall of the lower end of the sampling shield.
Preferably, the lifting device is a transmission belt or a transmission chain arranged between the top of the sampling chamber and the bottom of the sampling shield, and the transmission belt or the transmission chain is driven by a traction motor arranged at the top of the sampling chamber.
In the invention, in the sampling chamber and the sampling shield which are fixedly arranged, a lifting sampling cylinder is adopted to finish multiple sampling actions, the results of multiple sampling are respectively filled into each sampling bottle, and the weighing of the muddy water sample is directly finished after the sampling is finished, so that the influence of water evaporation on the measurement accuracy is avoided.
Drawings
Fig. 1 is a schematic diagram of a water intake state structure of a sampling tube according to the present invention.
Fig. 2 is a schematic diagram of a water pouring state structure of a sampling tube according to the present invention.
Fig. 3 is a schematic diagram of the structure of fig. 1 at a.
FIG. 4 is a schematic view of the structure of the invention at B-B in FIG. 1.
In the figure: 1. the device comprises a sampling chamber, 2, a sampling shield, 3, a sampling bottle, 4, a holding arm, 5, a funnel, 6, a blowing device, 7, a weighing sensor, 8, a driving belt, 9, a sampling cylinder, 10, an upper cover, 11, a lower cover, 12, a hinge shaft, 13, a lower belt pulley, 14, a traction motor, 15, a water level remote measuring sensor, 16, a water temperature sensor, 17, a ventilation and ventilation port, 18, an electric bin, 19, a top block, 20, a movable hook, 21, a hook seat, 22, a jacking spring, 23, a fixed hook, 24 and an annular track.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings.
Examples: an automatic sampling device for suspended solids and sediment is shown in figures 1 and 2. The device comprises a sampling chamber 1, wherein an electric bin 18 is arranged at the upper part of the sampling chamber, and a ventilation and ventilation port 17 is arranged in the middle of the top surface of the sampling chamber. The center of sampling room bottom surface is equipped with downwardly extending's cylinder sampling guard shield 2, and the lateral wall of sampling guard shield sets up the convection current hole of fretwork, and the bottom surface of sampling guard shield adopts the wire net to seal. The upper end of the sampling shield 2 is higher than the highest water level of the river course in the past year, the lower end of the sampling shield is lower than the lowest water level of the river course in the past year, the outer side of the sampling shield is provided with a water level remote measuring sensor 15 on the bottom surface of the outer wall of the sampling chamber, and the side wall of the lower end of the sampling shield is provided with a water temperature sensor 16. The vertical elevating gear that is equipped with between sampling chamber top to the sampling guard shield lower extreme, elevating gear is for setting up the drive belt 8 between sampling chamber top and sampling guard shield bottom, the drive belt is through setting up the traction motor 14 drive at the sampling chamber top, traction motor output shaft goes up the band pulley, sampling guard shield lower extreme sets up band pulley 13.
As shown in fig. 4, a sampling cylinder 9 capable of turning outwards is arranged on one side of the driving belt 8, an annular track 24 is arranged in the sampling chamber around the sampling shield, sampling bottles 3 are uniformly arranged on the annular track, an active swivel is arranged on the outer side of the annular track, and holding arms 4 for holding and clamping two sides of each sampling bottle are arranged on the active swivel corresponding to each sampling bottle. And a funnel 5 fixed on the inner wall of the sampling chamber is arranged at the position above the annular track corresponding to the sampling cylinder, and the bottle mouth is aligned with the lower end of the funnel when the sampling bottle rotates to the lower part of the funnel. And a blowing device 6 for blowing the outer wall of the sampling bottle is obliquely arranged below the funnel and above the annular rail. One section of the circular track 24 is provided with a load cell 7 which is arranged at the rear side of the rotation of the corresponding position of the circular track and the funnel.
The upper surface of the sampling tube 9 is provided with an upper cover 10 which can be turned upwards, and the lower surface of the sampling tube is provided with a lower cover 11 which can be turned upwards. As shown in fig. 3, the lower part of the sampling cylinder 9 is hinged to the lifting device by a hinge shaft 12 toward the side wall of the belt 8. The upper portion of a sampling tube 9 is equipped with the fixed eave 23 that the upper end was buckled downwards towards the lateral wall that leans on the drive belt, the drive belt corresponds sampling tube upper portion and sets up the hook seat 21, and the hook seat is gone up and is set up the movable eave 20 that can reciprocate, the lower extreme is buckled upwards with fixed eave, sets up tight spring 22 in top between the lower terminal surface of movable eave and the hook seat, and the upper end of movable eave is higher than the sampling tube upper surface, the top of sampling room is provided with kicking block 19 with the alignment of movable eave upper end. One side of the funnel 5 facing the sampling tube is provided with an arc groove gap matched with the outer wall of the sampling tube, and the arc groove gap is abutted against the outer wall of the sampling tube in a vertical state.
The water level telemetering sensor acquires water level information and the water temperature sensor acquires water temperature information. When the lifting device drives the sampling cylinder to descend below the water level, the upper cover and the lower cover of the sampling cylinder are opened for water inflow, the lifting device drives the sampling cylinder to ascend after the sampling cylinder is full of water, the upper cover and the lower cover are closed by inertia, the top end of the ascending sampling cylinder touches the top block, the sampling cylinder automatically turns over outwards to pour water into the sampling bottle, the lifting device drives the sampling cylinder to descend, the side wall of the funnel toggles the sampling cylinder upwards, and the hook head of the sampling cylinder is hooked again to descend in a vertical state to finish the next sampling. And after the sampling bottle finishes one-time sampling, rotating a station, and moving the next sampling bottle to the lower part of the funnel. The device can automatically complete multiple sampling.
Claims (7)
1. An automatic sampling device for suspended load sediment, which is characterized in that: the sampling device comprises a sampling chamber, wherein a cylindrical sampling shield which extends downwards is arranged in the center of the bottom surface of the sampling chamber, a hollowed convection hole is formed in the side wall of the sampling shield, a lifting device is vertically arranged between the top end of the sampling chamber and the lower end of the sampling shield, a sampling cylinder which can turn outwards is hinged to one side of the lifting device, an annular track is arranged in the sampling chamber in a surrounding manner, sampling bottles are uniformly arranged on the annular track, a funnel which is fixed on the inner wall of the sampling chamber is arranged at the position above the annular track and corresponds to the sampling cylinder, and when the sampling bottles rotate below the funnel, the bottle mouth is aligned with the lower end of the funnel;
the lower part of the sampling tube is hinged with the lifting device through a hinge shaft towards the side wall close to the lifting device, a fixed hook with the upper end bent downwards is arranged at the upper part of the sampling tube towards the side wall close to the lifting device, a hook seat is arranged at the upper part of the lifting device, a movable hook with the lower end bent upwards and capable of moving up and down is arranged on the hook seat correspondingly to the fixed hook, a jacking spring is arranged between the lower end face of the movable hook and the hook seat, the upper end of the movable hook is higher than the upper surface of the sampling tube, and a jacking block is arranged at the top of the sampling chamber in alignment with the upper end of the movable hook; an arc groove gap matched with the outer wall of the sampling cylinder is formed in one side, facing the sampling cylinder, of the funnel, and the arc groove gap is abutted against the outer wall of the sampling cylinder in a vertical state; the upper surface of the sampling tube is provided with an upper cover which can be turned upwards, and the lower surface of the sampling tube is provided with a lower cover which can be turned upwards.
2. An automatic sampling device for suspended solids and sediment according to claim 1, wherein: and a section of the annular track is provided with a weighing sensor, and the weighing sensor is arranged at the rotating rear side of the corresponding position of the annular track and the funnel.
3. An automatic sampling device for suspended solids and sediment according to claim 1, wherein: the outer side of the annular track is provided with an active swivel, and the active swivel is provided with holding arms for holding and clamping two sides of the sampling bottle corresponding to each sampling bottle.
4. An automatic sampling device for suspended solids and sediment according to claim 1, wherein: and a blowing device for blowing the outer wall of the sampling bottle is obliquely arranged below the funnel and above the annular rail.
5. An automatic sampling device for suspended solids and sediment according to claim 1, wherein: the upper end of the sampling shield is higher than the highest water level of the river course in the past year, the lower end of the sampling shield is lower than the lowest water level of the river course in the past year, and a water level remote measuring sensor is arranged on the outer side of the sampling shield at the bottom surface of the outer wall of the sampling chamber.
6. An automatic sampling device for suspended solids and sediment according to claim 1, wherein: the side wall of the lower end of the sampling shield is provided with a water temperature sensor.
7. An automatic sampling device for suspended solids and sediment according to claim 1, wherein: the lifting device is a transmission belt or a transmission chain arranged between the top of the sampling chamber and the bottom of the sampling shield, and the transmission belt or the transmission chain is driven by a traction motor arranged at the top of the sampling chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192687.6A CN109855908B (en) | 2019-03-14 | 2019-03-14 | Automatic sampling device for suspended load sediment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192687.6A CN109855908B (en) | 2019-03-14 | 2019-03-14 | Automatic sampling device for suspended load sediment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109855908A CN109855908A (en) | 2019-06-07 |
| CN109855908B true CN109855908B (en) | 2023-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910192687.6A Active CN109855908B (en) | 2019-03-14 | 2019-03-14 | Automatic sampling device for suspended load sediment |
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| Country | Link |
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| CN (1) | CN109855908B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113063476B (en) * | 2020-08-17 | 2023-12-08 | 河南黄河河务局信息中心 | Carrying device and application of carrying device for underwater siltation layer surface detection instrument |
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|---|---|---|---|---|
| KR101394171B1 (en) * | 2013-07-01 | 2014-05-14 | 한국지질자원연구원 | Sample gather apparatus and method of borehole |
| CN104458336A (en) * | 2014-10-24 | 2015-03-25 | 浙江省海洋水产研究所 | Automatic suspended sediment sampling system |
| JP2017015490A (en) * | 2015-06-30 | 2017-01-19 | 株式会社コベルコ科研 | Apparatus and method for measuring suspended matter content |
| CN107238516A (en) * | 2017-05-17 | 2017-10-10 | 长江水利委员会水文局 | A kind of twin-tub suspended sediment and water sample sampler |
| CN207379770U (en) * | 2017-09-15 | 2018-05-18 | 上海河口海岸科学研究中心 | A kind of water sample acquisition device applied to vertical line multilayer hydrologic and silt |
| CN207636338U (en) * | 2017-12-18 | 2018-07-20 | 黄凯 | A kind of suspended sediment sampling apparatus |
| CN109163933A (en) * | 2018-09-26 | 2019-01-08 | 合肥学院 | A kind of sludge sample devices based on unmanned plane |
| CN209783967U (en) * | 2019-03-14 | 2019-12-13 | 浙江省水文局 | Automatic suspended load sediment sampling device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2013206318B1 (en) * | 2013-06-13 | 2014-10-16 | Thomas Charles Stevens | Suspended sediment sampler |
-
2019
- 2019-03-14 CN CN201910192687.6A patent/CN109855908B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101394171B1 (en) * | 2013-07-01 | 2014-05-14 | 한국지질자원연구원 | Sample gather apparatus and method of borehole |
| CN104458336A (en) * | 2014-10-24 | 2015-03-25 | 浙江省海洋水产研究所 | Automatic suspended sediment sampling system |
| JP2017015490A (en) * | 2015-06-30 | 2017-01-19 | 株式会社コベルコ科研 | Apparatus and method for measuring suspended matter content |
| CN107238516A (en) * | 2017-05-17 | 2017-10-10 | 长江水利委员会水文局 | A kind of twin-tub suspended sediment and water sample sampler |
| CN207379770U (en) * | 2017-09-15 | 2018-05-18 | 上海河口海岸科学研究中心 | A kind of water sample acquisition device applied to vertical line multilayer hydrologic and silt |
| CN207636338U (en) * | 2017-12-18 | 2018-07-20 | 黄凯 | A kind of suspended sediment sampling apparatus |
| CN109163933A (en) * | 2018-09-26 | 2019-01-08 | 合肥学院 | A kind of sludge sample devices based on unmanned plane |
| CN209783967U (en) * | 2019-03-14 | 2019-12-13 | 浙江省水文局 | Automatic suspended load sediment sampling device |
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| CN109855908A (en) | 2019-06-07 |
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Address after: 310009, Hangzhou, Zhejiang city on the road 72 St. Applicant after: Zhejiang Hydrological Management Center Address before: 310009, Hangzhou, Zhejiang city on the road 72 St. Applicant before: ZHEJIANG HYDROLOGY BUREAU |
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