CN112683598A - Sampling device of hydrology monitoring sample - Google Patents
Sampling device of hydrology monitoring sample Download PDFInfo
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- CN112683598A CN112683598A CN202110300781.6A CN202110300781A CN112683598A CN 112683598 A CN112683598 A CN 112683598A CN 202110300781 A CN202110300781 A CN 202110300781A CN 112683598 A CN112683598 A CN 112683598A
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Abstract
The invention discloses a sampling device of a hydrologic monitoring sample, which comprises: the sampling tube is provided with fan-shaped sliding chutes which are symmetrically arranged, the fan-shaped sliding chutes are positioned in the middle position of the sampling tube and communicated with the inside of the sampling tube, the sampling tube is provided with a first sampling hole and a second sampling hole which are communicated with the inside, the first sampling hole is positioned in the middle position of the sampling tube, the second sampling hole is positioned at the lower end of the sampling tube, the inside of the sampling tube is provided with a fixing part, the middle of the fixing part is provided with a through hole, and the fan-shaped sliding chutes are internally provided with fan-shaped blocks. The rotating part, the body, the sampler, connecting pipe and sampling pipe. This sampling device novel structure, design benefit, small and exquisite can adapt to different external environment, still can not receive the influence under the adverse circumstances simultaneously, for example at not having the electricity, rivers, lake are more deeply difficult to dive difficult problems such as deeper sample of depths.
Description
Technical Field
The invention relates to the technical field of hydrologic monitoring and sampling devices, in particular to a sampling device for hydrologic monitoring samples.
Background
Hydrologic monitoring refers to a complex and comprehensive system engineering that monitors, measures, analyzes and warns the spatial-temporal distribution and change rule of natural water through a scientific method, and the hydrologic monitoring system is suitable for hydrologic departments to monitor hydrologic parameters such as rivers, lakes, reservoirs, channels and groundwater in real time, and the monitoring content includes: water level, flow rate, rainfall (snow), evaporation, silt, slush, soil moisture, water quality, and the like.
In the sampling process of carrying out hydrology monitoring at present, a lot of adopt artifical handheld container to sample the water, need artifical entering water inside usually, the problem that nevertheless exists like this is inefficiency, and dangerous high at the in-process of monitoring moreover to the sampling depth often is uncontrollable, is difficult to guarantee the accuracy of sampling water.
And dust or impurities at the bottom of the underwater cover the surface of the riverbed, so that the riverbed is difficult to sample, and the data analysis is incomplete.
Chinese patent 201811468561.9 discloses an intelligent hydrological monitoring sample collection device, which collects water sources of different depths by using a first collection tube, a second collection tube and a third collection tube, and has a complex structure, a large volume and is not suitable for carrying. Meanwhile, for a deeper water source, the water source is difficult to submerge into the water bottom, and the water source needs to be extended to the water bottom by means of an external device. The not hard up collection mechanism of riverbed who adopts simultaneously raises submarine earth, but this structure can not be deep stretch the muddy water that the darker wet earth of earth lower extreme was raised to produce the limitation to hydrology monitoring sampling, lead to the water source in this field to detect after can not obtain complete water source information, make the water source information of this department have the defect, can influence the investigation work in later stage. And the device also needs to be driven by a power supply, and the power supply is not available in a relatively harsh environment, so that the device has sampling limitation. Meanwhile, by adopting automatic operation, sample data which is not true easily appears, and uncertainty exists.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a sampling device for a hydrologic monitoring sample.
The technical scheme of the invention is realized as follows:
a sampling device for hydrologic monitoring samples, comprising:
the sampling tube is of a tubular structure with two through ends, the diameters of the two ends are smaller, the middle diameter is larger, fan-shaped sliding grooves which are symmetrically arranged are formed in the sampling tube, the fan-shaped sliding grooves are located in the middle of the sampling tube and are communicated with the inside of the sampling tube, a first sampling hole and a second sampling hole which are communicated with the inside are formed in the sampling tube, the first sampling hole is located in the middle of the sampling tube, the second sampling hole is located at the lower end of the sampling tube, a fixing portion is arranged in the sampling tube, a through hole is formed in the middle of the fixing portion, and a fan-shaped block is arranged in the fan-shaped sliding groove;
a rotating part, the rotating part includes rotating part, connecting portion, suppression portion, spiral portion, links up portion and rotation portion, spiral portion and perforating hole cooperation installation, the dustcoat has on the linking portion, the dustcoat comprises the casing that two symmetries set up, first rolling dish, second rolling dish and first swivel leaf have in the rotation portion, first rolling dish can rotate along with rotation portion, the swivel cover has on the second rolling dish, the second rolling dish is installed on rotation portion through the swivel cover, the second rotating leaf has on the swivel cover, the casing is inside to have first installation department, first gear and second gear have on the first installation department, first tooth portion has on the inner wall of first rolling dish, second tooth portion has on the inner wall of second rolling dish, first gear is connected with first tooth portion, second gear meshing, the second gear is meshed with the second tooth part and the first gear, and the outer cover is arranged on the fan-shaped block;
the inner part of the floating body is hollowed and filled with air, a second mounting part is arranged on the fan-shaped block, a supporting piece is arranged at the lower end of the second mounting part, the floating body is mounted on the supporting piece, and a through hole is formed in the floating body;
the sampler comprises a barrel and a piston, wherein the upper end of the barrel is open and communicated with the outside, the lower end of the barrel is provided with a liquid inlet pipe, the outer wall of the barrel is provided with a liquid outlet pipe, the liquid outlet pipe is communicated with the inside of the barrel, the inside of the barrel is provided with a first rubber pad, the first rubber pad is hinged at the upper end of the liquid inlet pipe, the middle of the piston is provided with a liquid inlet hole, the upper end surface of the piston is provided with a pillar, the pillar is provided with a blocking part, a second rubber pad is arranged between the blocking part and the liquid inlet hole, and the blocking part is provided with a;
a connecting pipe having a first mounting hole at an upper end thereof and a rotation hole at a lower end thereof, the rotation part of the rotation member being mounted in the rotation hole, and having a support block at a lower end thereof, the support block fixing the rotation part in the rotation hole;
the upper ends of the hand pieces are provided with second mounting holes, the lower ends of the hand pieces are provided with threaded parts, and the threaded parts are matched and placed in the first mounting holes or the second mounting holes of a second hand piece;
and one end of the sampling pipe is connected with the first sampling hole or the second sampling hole, and the other end of the sampling pipe penetrates through the through hole to be connected with the lower end of the liquid inlet pipe.
In the invention, the upper end of the fixed part is provided with a pushing part, the lower end of the pushing part is provided with a sliding rod, the sliding rod penetrates through the fixed part and extends to the lower end, a spring is sleeved outside the sliding rod, one end of the spring is in contact with the fixed part, the other end of the spring is in contact with the pushing part, the middle of the pushing part is provided with a spiral hole, the spiral part is arranged in the spiral hole in a matched mode, and the spiral hole is positioned at the right upper end of the through hole.
In the invention, the shell is provided with a convex part, the fan-shaped blocks are provided with grooves, and the convex part is matched and arranged in the grooves.
In the invention, the limiting piece is arranged on the outer wall of the connecting pipe and the hand piece, the limiting piece comprises a limiting hole and a guide part extending from the limiting hole to the outside, the guide part has elasticity, a gap is arranged between the guide part and the limiting hole, and the distance of the gap is smaller than the diameter of the limiting hole.
In the invention, the bottom of the fan-shaped sliding chute is provided with an adjusting screw rod, and the adjusting screw rod is arranged at the lower end of the fan-shaped block.
In the present invention, the first rotating blade and the second rotating blade have opposite blade directions.
In the present invention, the lower end of the sampling tube has a ground breaking portion.
The sampling device for the hydrologic monitoring sample has the following beneficial effects:
1. this sampling device novel structure, design benefit, small and exquisite can adapt to different external environment, still can not receive the influence under the adverse circumstances simultaneously, for example at not having the electricity, rivers, lake are more deeply difficult to dive difficult problems such as deeper sample of depths.
2. Meanwhile, the device is convenient to mount and dismount, convenient to carry and capable of sampling by sampling personnel in person, so that inaccuracy of sampling data is avoided, and authenticity of the data is guaranteed.
3. The sampling device can also be connected with the hand-held piece according to the depth of a water area, and is suitable for different water area depths.
4. Can gather the water sample of the different degree of depth, and can gather the water sample of submarine earth upper end through the rotation of rotating member, can also gather the muddy water sample of raising, can also gather the mud layer water sample of the deeper department in bottom under can also through the cooperation of sampler barrel, first rotatory leaf and second rotatory leaf, realize the diversification of sampling, guaranteed the authenticity of gathering the sample and the accuracy of the sample data of the different degree of depth.
5. The first rotating blade and the second rotating blade extend downwards to enter the substances of the deep riverbed on the surface of the water bottom, and the substances on the surface of the riverbed are lifted to overflow from the fan-shaped chute, so that the substance components on the deep riverbed can be extracted, the integrity of a data sample is improved, and the water area sample is diversified.
Drawings
FIG. 1 is a schematic structural diagram of a hydrographic monitoring sample sampling device according to the present invention;
FIG. 2 is a schematic view showing the structure of the connection tube, the sampling tube, the rotary member and the float of FIG. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an exploded view of the connection tube structure of FIG. 2;
FIG. 6 is a schematic view of the construction of the withdrawal chimney and the rotary member of FIG. 2;
FIG. 7 is a schematic view of the inner structure of the sampling tube shown in FIG. 6;
FIG. 8 is a schematic view of the internal structure of the housing of FIG. 7;
FIG. 9 is an exploded view of FIG. 8;
FIG. 10 is another schematic view of the structure of FIG. 9;
FIG. 11 is an exploded view of the housing and segment of FIG. 7;
FIG. 12 is a schematic view of the rotary member of FIG. 7;
FIG. 13 is a schematic structural view of the fixing portion and the pushing portion in FIG. 7;
FIG. 14 is a cross-sectional view of the construction of the sampler of the present invention;
FIG. 15 is a partial enlarged view of FIG. 14 taken at B;
fig. 16 is a schematic view of the handpiece of fig. 1.
In the figure: the sampling device 1, the sampling tube 2, the fan-shaped chute 3, the fan-shaped block 4, the first sampling hole 5, the second sampling hole 6, the fixed part 7, the through hole 71, the rotary member 8, the rotary part 81, the connecting part 82, the pressing part 83, the spiral part 84, the engaging part 85, the rotary part 86, the outer cover 87, the housing 871, the protrusion 872, the first mounting part 873, the groove 9, the pushing part 10, the spiral hole 101, the slide rod 11, the spring 12, the first rotary disk 13, the first tooth part 131, the second rotary disk 14, the second tooth part 141, the first rotary blade 15, the rotary sleeve 16, the second rotary blade 17, the first gear 18, the second gear 19, the floating body 20, the second mounting part 21, the support member 22, the through hole 23, the sampler 24, the cylinder 25, the piston 26, the liquid inlet pipe 27, the liquid outlet pipe 28, the first rubber pad 29, the liquid inlet hole 31, the pillar stopper 32, the second rubber pad 34, the pull rod 35, the, The connecting pipe 36, the first mounting hole 37, the rotating hole 38, the supporting block 39, the hand piece 40, the second mounting hole 41, the threaded portion 42, the sampling pipe 43, the limiting piece 44, the limiting hole 441, the guide portion 442, the gap 443, the adjusting screw 45, and the ground breaking portion 46.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in FIGS. 1 to 16, the sampling device 1 for hydrologic monitoring samples of the present invention can be adapted to different environments, has high practicability, is convenient to carry, and is easy to disassemble and assemble. The sampling device 1 comprises:
the sampling tube 2, the sampling tube 2 is the tubular structure that both ends link up, and both ends diameter is less, and middle diameter is great. The larger part in the middle is used for facilitating the sliding of the sector 4 and limiting the sliding distance of the sector 4, is beneficial to the installation of an adjusting screw rod and adopts thickening treatment.
The sampling cylinder 2 is provided with fan-shaped chutes 3 which are symmetrically arranged, the fan-shaped chutes 3 are positioned in the middle of the sampling cylinder 2 and communicated with the inside of the sampling cylinder 2, and the fan-shaped chutes 3 are internally provided with fan-shaped blocks 4. The cross section of the fan-shaped sliding chute 3 is fan-shaped, so that the inner diameter is smaller, the outer diameter is larger, and the fan-shaped block 4 is ensured not to directly pass through the fan-shaped sliding chute 3 and be arranged in the sampling tube 2.
Have on the sampler barrel 2 with inside first thief hole 5 and the second thief hole 6 that link up, first thief hole 5 is located the intermediate position of sampler barrel 2, and second thief hole 6 is located the lower extreme position of sampler barrel 2, and first thief hole 5 is located the upper end of second thief hole 6. The first sampling hole 5 and the second sampling hole 6 are used for the sampler to extract samples with different heights in the sampling cylinder 2, so that the samples with different water area heights can be acquired, and the accuracy of data is improved.
The fixing part 7 is provided inside the sampling tube 2, and the fixing part 7 has a through hole 71 in the middle thereof, and the diameter of the through hole 71 is larger than that of the spiral part 84, so that the spiral part 84 can pass through the through hole 71 directly. The fixing part 7 is fixed directly on the inside of the sampling tube 2, and the fixing part 7 does not rotate with the rotating member 8.
The rotating member 8, rotating member 8 are used for driving first rotating vane 15 and second rotating vane 17 for first rotating vane 15 and second rotating vane 17 can be with rotating, raise the earth of water portion, can also curl up the earth on submarine surface simultaneously, curl up the material in the earth deep and mix with water, reach the sample data of extraction earth deep material, thereby improved the accuracy of aquatic sample and the integrality of data.
The rotary member 8 includes a rotary portion 81, a connecting portion 82, a pressing portion 83, a screw portion 84, an engaging portion 85, and a rotary portion 86. The spiral part 84 is fitted with the through hole 71, the joint part 85 is provided with an outer cover 87, the outer cover 87 is mounted on the segment 4, and the outer cover 87 is composed of two symmetrically arranged shells 871.
A protrusion 872 is provided on the housing 871 and a groove 9 is provided on the segment 4, the protrusion 872 is fittingly received in the groove 9. The protrusion 872 can be used to connect the two shells 871 in a combined manner and to place the protrusion 872 in the groove 9, so that the outer cover 87 can move up and down with the segment 4 without rotating.
The upper end of the fixed part 7 is provided with a pushing part 10, the lower end of the pushing part 10 is provided with a sliding rod 11, the sliding rod 11 penetrates through the fixed part 7 and extends to the lower end, a spring 12 is sleeved outside the sliding rod 11, one end of the spring 12 is in contact with the fixed part 7, the other end of the spring 12 is in contact with the pushing part 10, the middle of the pushing part 10 is provided with a spiral hole 101, the spiral part 84 is arranged in the spiral hole 101 in a matched mode, and the spiral hole 101 is located at the right upper end of.
The rotating portion 86 includes a first rotating disk 13, a second rotating disk 14, and a first rotating blade 15. The first rotary disk 13 is rotatable together with the rotary portion 86, the second rotary disk 14 has a rotary sleeve 16 thereon, the second rotary disk 14 is mounted on the rotary portion 86 via the rotary sleeve 16, and the rotary sleeve 16 has a second rotary vane 17 thereon. The shell 871 is internally provided with a first mounting part 873, the first mounting part 873 is provided with a first gear 18 and a second gear 19, the inner wall of the first rotating disk 13 is provided with a first tooth part 131, the inner wall of the second rotating disk 14 is provided with a second tooth part 141, the first gear 18 is meshed with the first tooth part 131 and the second gear 19, and the second gear 19 is meshed with the second tooth part 141 and the first gear 18.
The first rotating blade 15 and the second rotating blade 17 have opposite blade directions. The fan blades of the first rotating blade 15 and the second rotating blade 17 are opposite in direction, so that the substances on the riverbed can be quickly lifted or rolled, the substances are mixed, the aim of quickness is fulfilled, and the sampling time is saved.
When the rotary member 8 is pushed, the spiral portion 84 on the rotary member 8 is caused to rotate in the spiral hole 101, and the spiral portion 84 is driven through the spiral hole 101, so that the spiral portion 84 is caused to rotate, that is, the entire rotary member 8 is rotated. The first rotary disk 13 and the first rotary vane 15 at the lower end of the rotary member 8 can be rotated. At this time, the first tooth portion 131 on the inner wall of the first rotating disk 13 drives the first gear 18, and then the second gear 19 rotates through the first gear 18, and the second tooth portion 141 is driven by the second gear 19, so that the second rotating disk 14 rotates to drive the second rotating blade 17. Due to the meshing connection of the first gear 18 and the second gear 19, the rotating directions of the first gear 18 and the second gear 19 are opposite, so that the rotating directions of the first rotating blade 15 and the second rotating blade 17 are opposite, the deep substances below the water bottom surface can be lifted, the substances on the river bed are rolled out, the substances in the river bed are sampled, and the analyzed data are more complete.
The floating body 20, which is used to lift the whole housing 87 and the rotating member 8, prevents the first rotating blade 15 and the second rotating blade 17 from contacting the water bottom surface first during underwater sampling, thereby affecting the sampling of the surface of the river bed. The floating body 20 is hollowed out and filled with air. The sector 4 is provided with a second mounting portion 21, the lower end of the second mounting portion 21 is provided with a support 22, the floating body 20 is mounted on the support 22, and the floating body 20 is provided with a through hole 23.
The liquid inlet hole 31 can be blocked by the second rubber pad 34 by pulling the pull rod 35, and the first rubber pad 29 is opened, so that the liquid inlet pipe 27 is communicated with the inside of the cylinder 25, and the liquid in the sampling pipe is pumped to the lower end of the piston 26. When the pull rod 35 is pushed downwards, the first rubber pad 29 can be closed, the second rubber pad 34 moves upwards, the liquid inlet hole 31 is opened, liquid at the lower end of the piston 26 enters the upper end of the piston 26, and when the piston 26 is pulled again, the liquid can be discharged from the liquid discharge pipe 28, and a sample is collected.
And a connection pipe 36 having a first mounting hole 37 at an upper end of the connection pipe 36 and a rotation hole 38 at a lower end thereof, the rotation part 81 of the rotation member 8 being mounted in the rotation hole 38, and a support block 39 at a lower end of the rotation hole 38, the support block 39 fixing the rotation part 81 in the rotation hole 38.
When the rotary member 8 is rotated, the rotary portion 81 is rotated in the rotary hole 38, so that the connection pipe 36 is not rotated.
And a plurality of hand pieces 40, wherein the upper end of each hand piece 40 is provided with a second mounting hole 41, the lower end of each hand piece 40 is provided with a threaded part 42, and the threaded parts 42 are matched and placed in the first mounting holes 37 or the second mounting holes 41 of the second hand pieces 40. The hand pieces 40 are connected by fitting the screw portions 42 of the hand pieces 40 into the first fitting holes 37 of the connection pipes 36 and then fitting the screw portions 42 of one hand piece 40 into the second fitting holes 41 of the previous hand piece 40, thereby increasing the number of the hand pieces 40 according to the actual water depth. Therefore, sampling of water areas with different depths is achieved, and the sampling device can adapt to various environments.
Sampling pipe 43, sampling pipe 43's one end is connected with first thief hole 5 or second thief hole 6, and the other end passes through-hole 23 and is connected with feed liquor pipe 27 lower extreme.
When the pull rod 35 of the sampler 24 is pulled, the liquid in the sampling tube 43 can be pumped into the cylinder 25.
To facilitate the fixing of the sampling tube 43 to the connection tube 36 and the hand piece 40, a restriction member 44 is provided on the outer wall of the connection tube 36 and the hand piece 40, the restriction member 44 includes a restriction hole 441 and a guide portion 442 extending outward from the restriction hole 441, the guide portion 442 has elasticity, a gap 443 is provided between the guide portion 442 and the restriction hole 441, the distance of the gap 443 is smaller than the diameter of the restriction hole 441, and the gap 443 is used for blocking the sampling tube 43. The sampling tube 43 is fixed to the middle of the restriction member 44, thereby achieving the fixation of the sampling tube 43.
The bottom of the sector chute 3 is provided with an adjusting screw 45, and the adjusting screw 45 is arranged at the lower end of the sector block 4. When river bed parts with different depths need to be taken, the height of the fan-shaped block 4 can be adjusted by adjusting the height of the screw rod 45, the descending height of the first rotating blade 15 and the second rotating blade 17 is controlled, and liquid samples with different heights on the surface of the river bed can be extracted.
The lower end of the sampling tube 2 has a ground breaking portion 46. The ground breaking portion 46 is similar to a blade, having a sharp edge, facilitating insertion into the ground.
After sampler cylinder 2 contacted submarine earth, when still needing further the material to submarine earth deep to sample, alright its promotion portion 10 of alright promote again, make promotion portion 10 exert pressure downwards, compress spring 12, make promotion portion 10 remove toward the direction of fixed part 7, slide bar 11 moves down, thereby make whole rotating member 8 move down, first revolving leaf 15 and second revolving leaf 17 roll up the material of submarine surface earth deep downwards, spill over from fan-shaped spout 3, make the material in the riverbed depths mix with water, then in being extracted sampler 24, realize the material sampling in the riverbed depths.
After the sampling device 1 is installed, an operator holds the hand-held piece 40 by hand, then inserts the sampling tube 2 into water, at the moment, the rotating piece 8 can not rotate and can be pushed by the floating body 20 to place the fan-shaped block 4 at the top end of the fan-shaped sliding groove 3. After the lower extreme of sampler barrel 2 contacted the riverbed surface, sampler barrel 2 lower extreme atress to make hand piece 40 can push rotating member 8 and move down, make spiral portion 84 on rotating member 8 rotate in spiral hole 101, make dustcoat 87 and segment 4 move down, first rotating vane 15 and second rotating vane 17 also can move down, carry out the lift with the inside earth of sampler barrel 2. When a deeper muddy water sample needs to be taken, the height of the adjusting screw rod 45 can be rotated, and muddy water with different heights can be raised. The hand piece 40 can be pushed downwards again, so that the pressing part 83 pushes the pushing part 10 downwards, the spring 12 is compressed, the first rotating blade 15 and the second rotating blade 17 move downwards again, deeper muddy water is rolled up, and deeper muddy water samples are collected.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A sampling device for hydrologic monitoring samples, comprising:
the sampling tube is of a tubular structure with two through ends, the diameters of the two ends are smaller, the middle diameter is larger, fan-shaped sliding grooves which are symmetrically arranged are formed in the sampling tube, the fan-shaped sliding grooves are located in the middle of the sampling tube and are communicated with the inside of the sampling tube, a first sampling hole and a second sampling hole which are communicated with the inside are formed in the sampling tube, the first sampling hole is located in the middle of the sampling tube, the second sampling hole is located at the lower end of the sampling tube, a fixing portion is arranged in the sampling tube, a through hole is formed in the middle of the fixing portion, and a fan-shaped block is arranged in the fan-shaped sliding groove;
a rotating part, the rotating part includes rotating part, connecting portion, suppression portion, spiral portion, links up portion and rotation portion, spiral portion and perforating hole cooperation installation, the dustcoat has on the linking portion, the dustcoat comprises the casing that two symmetries set up, first rolling dish, second rolling dish and first swivel leaf have in the rotation portion, first rolling dish can rotate along with rotation portion, the swivel cover has on the second rolling dish, the second rolling dish is installed on rotation portion through the swivel cover, the second rotating leaf has on the swivel cover, the casing is inside to have first installation department, first gear and second gear have on the first installation department, first tooth portion has on the inner wall of first rolling dish, second tooth portion has on the inner wall of second rolling dish, first gear is connected with first tooth portion, second gear meshing, the second gear is meshed with the second tooth part and the first gear, and the outer cover is arranged on the fan-shaped block;
the inner part of the floating body is hollowed and filled with air, a second mounting part is arranged on the fan-shaped block, a supporting piece is arranged at the lower end of the second mounting part, the floating body is mounted on the supporting piece, and a through hole is formed in the floating body;
the sampler comprises a barrel and a piston, wherein the upper end of the barrel is open and communicated with the outside, the lower end of the barrel is provided with a liquid inlet pipe, the outer wall of the barrel is provided with a liquid outlet pipe, the liquid outlet pipe is communicated with the inside of the barrel, the inside of the barrel is provided with a first rubber pad, the first rubber pad is hinged at the upper end of the liquid inlet pipe, the middle of the piston is provided with a liquid inlet hole, the upper end surface of the piston is provided with a pillar, the pillar is provided with a blocking part, a second rubber pad is arranged between the blocking part and the liquid inlet hole, and the blocking part is provided with a;
a connecting pipe having a first mounting hole at an upper end thereof and a rotation hole at a lower end thereof, the rotation part of the rotation member being mounted in the rotation hole, and having a support block at a lower end thereof, the support block fixing the rotation part in the rotation hole;
the upper ends of the hand pieces are provided with second mounting holes, the lower ends of the hand pieces are provided with threaded parts, and the threaded parts are matched and placed in the first mounting holes or the second mounting holes of a second hand piece;
and one end of the sampling pipe is connected with the first sampling hole or the second sampling hole, and the other end of the sampling pipe penetrates through the through hole to be connected with the lower end of the liquid inlet pipe.
2. The sampling device of hydrographic monitoring sample of claim 1, wherein the upper end of the fixed part has a pushing part, the lower end of the pushing part has a slide bar, the slide bar extends to the lower end through the fixed part, the outside cover of the slide bar has a spring, one end of the spring contacts with the fixed part, the other end contacts with the pushing part, the middle of the pushing part has a spiral hole, the spiral part is arranged in the spiral hole in a matching way, and the spiral hole is located at the right upper end of the through hole.
3. The hydrographic sample sampling device of claim 1, wherein the housing has a protrusion thereon and the segment has a groove thereon, the protrusion matingly fitting within the groove.
4. The hydrographic sample collection device of claim 1, wherein the connection tube and the hand piece have a restriction member on an outer wall thereof, the restriction member comprising a restriction hole and a guide portion extending from the restriction hole to the outside, the guide portion having elasticity, and a gap between the guide portion and the restriction hole, the gap having a distance less than a diameter of the restriction hole.
5. The hydrographic sampling device of claim 1, wherein the bottom of the fan-shaped chute has an adjustment screw disposed at the lower end of the fan-shaped block.
6. The hydrographic sampling device of claim 1, wherein the first and second rotating blades have opposite blade directions.
7. The hydrographic sampling device of claim 1, wherein the sampling barrel has a break in the lower end.
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| CN202110300781.6A CN112683598B (en) | 2021-03-22 | 2021-03-22 | Sampling device of hydrology monitoring sample |
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| CN202110300781.6A CN112683598B (en) | 2021-03-22 | 2021-03-22 | Sampling device of hydrology monitoring sample |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114136291A (en) * | 2022-01-30 | 2022-03-04 | 中国科学院西北生态环境资源研究院 | Hydrology monitoring device applied to river |
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