CN113804501A - Sampling device for water quality monitoring capable of sampling at different depths - Google Patents
Sampling device for water quality monitoring capable of sampling at different depths Download PDFInfo
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- CN113804501A CN113804501A CN202111102488.5A CN202111102488A CN113804501A CN 113804501 A CN113804501 A CN 113804501A CN 202111102488 A CN202111102488 A CN 202111102488A CN 113804501 A CN113804501 A CN 113804501A
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- sampling
- water
- baffle
- side wall
- adjusting
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- 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
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
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- 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
- G01N2001/1031—Sampling from special places
Abstract
The invention relates to a sampling device for water quality monitoring, which can perform sampling at different depths, and relates to the technical field of water quality monitoring samplers, and the sampling device comprises a sampling cylinder, a traction rope, a water pump and a mounting seat, wherein the upper end of the traction rope is arranged on the mounting seat, the lower end of the traction rope is fixedly provided with the sampling cylinder, the upper side wall of the sampling cylinder is fixedly provided with a water outlet pipe in a penetrating way, the lower side wall of the sampling cylinder is fixedly provided with a water inlet pipe in a penetrating way, and the inlet end of the water pump is connected with the upper port of the water outlet pipe through a hose; the quantitative sampler also comprises a quantitative component and a positioning component, wherein the quantitative component is fixedly arranged in the sampling cylinder, and the mounting seat is fixedly arranged on the positioning component; it sets up shaft-like location structure who stretches out, conveniently operates at the bank, and it sets up the structure of adjustable space size, and then conveniently changes the sample cavity in the sampling tube, conveniently carries out the ration sample.
Description
Technical Field
The invention relates to the technical field of water quality monitoring samplers, in particular to a sampling device for water quality monitoring, which can perform sampling at different depths.
Background
The hydrological water quality monitoring can know the water body condition in real time, and the water body condition can be known in time in water body treatment, so that a corresponding water body treatment scheme is formulated; when carrying out the water sample of fixed point among the prior art, the staff can remove to appointed some top through kayak etc. and put down the sampler barrel again, with the internal full sample water of sampler barrel, but this kind of sampling mode needs the staff to carry out the surface of water operation, and what how much of taking a sample is according to the sampler barrel size and decide, is unfavorable for the operation, needs a more convenient sampling device to replace.
Disclosure of Invention
The invention aims to provide a sampling device for water quality monitoring, which can perform sampling at different depths, and aims to overcome the defects and shortcomings of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the sampling device comprises a sampling tube, a traction rope, a water pump and a mounting seat, wherein the upper end of the traction rope is arranged on the mounting seat, the lower end of the traction rope is fixedly provided with the sampling tube, the upper side wall of the sampling tube is fixedly provided with a water outlet pipe in a penetrating way, the lower side wall of the sampling tube is fixedly provided with a water inlet pipe in a penetrating way, and the inlet end of the water pump is connected with the upper port of the water outlet pipe through a hose; the quantitative sampler also comprises a quantitative component and a positioning component, wherein the quantitative component is fixedly arranged in the sampling cylinder, and the mounting seat is fixedly arranged on the positioning component;
the quantitative assembly comprises a limiting baffle, a limiting spacer bush, a rotating shaft, an adjusting baffle and an adjusting partition plate, wherein the limiting baffle is fixedly arranged on the inner side wall of the sampling cylinder, the upper side edge and the lower side edge of the limiting baffle are respectively fixedly arranged on the upper inner side wall and the lower inner side wall of the sampling cylinder, a limiting guide rod is fixedly arranged on the side wall of the limiting baffle, the limiting spacer bush is movably sleeved on the guide rod, one end of the limiting spacer bush movably abuts against the side wall of the limiting baffle, the outer side edge of the limiting spacer bush movably abuts against the inner side wall of the sampling cylinder, the other end of the limiting spacer bush is provided with an opening, and the limiting spacer bush is erected between the water inlet pipe and the water outlet pipe; a rotating shaft is rotatably arranged in the sampling cylinder through a bearing, the upper end of the rotating shaft penetrates through an upper side plate of the sampling cylinder, a movable edge of a limiting baffle movably abuts against the side wall of the rotating shaft, an adjusting baffle is fixedly arranged on the rotating shaft, the side edge of the adjusting baffle movably abuts against the inner wall of the sampling cylinder, an adjusting guide rod is fixedly arranged on the side wall of the adjusting baffle, an adjusting partition plate is movably sleeved on the adjusting guide rod, one end of the adjusting partition plate movably abuts against the side wall of the adjusting baffle, the other end of the adjusting partition plate is movably inserted into the limiting partition sleeve, the outer side edge of the adjusting partition plate movably abuts against the inner side wall of the sampling cylinder, and the inner side edge of the adjusting partition plate movably abuts against the rotating shaft; a screw rod is fixedly arranged at the upper end of the rotating shaft, a nut is screwed on the screw rod, and the nut movably abuts against the upper surface of the sampling cylinder;
the locating component contain location guide bar, location uide bushing, reel, wherein fix on the lateral wall of mount pad and be provided with the location guide bar, the movable sleeve is equipped with the location uide bushing on the location guide bar, the fixed base that is provided with on the location uide bushing, the water pump is fixed to be set up on the base, is equipped with the leading wheel through the bearing spiral on the mount pad, is equipped with the reel through the bearing spiral on the base, after the leading wheel was walked around to the upper end of haulage rope, fix on the reel around establishing.
Preferably, the side of the upper side wall of the sampling tube, which is located on the back of the limit baffle and the limit spacer, is fixedly provided with a water injection port in a penetrating manner, a sealing cover is screwed on the water injection port, after the size of a sampling cavity in the sampling tube is adjusted, water is injected into a spare cavity of the sampling tube through the water injection port, air in the spare cavity is discharged, and the submerged buoyancy of the sampling tube is reduced.
Preferably, the inside wall of inlet tube on the fixed support ring that is provided with, the bracing piece is worn to be equipped with in the activity of support ring, and the lower extreme of bracing piece stretches to be established in the below of inlet tube, the fixed closing plate that is provided with of lower extreme of bracing piece, the cover is equipped with the spring on the bracing piece, the fixed setting on the support ring in upper end of spring, the fixed setting on the closing plate of lower extreme of spring, the fixed cable that is provided with in upper end of bracing piece, the fixed setting in upper end of cable is on the lower lateral wall of spacing spacer, when taking a sample, spacing spacer rises, sample water gets into the sampler barrel, after sample water is filled with, the cable withstands the closing plate and rises, plug up the inlet tube.
Preferably, the sampling tube in be located the spacing baffle and keep away from the activity of one side of spacing spacer sleeve and be provided with the counter weight ball, when the sampling tube dives, the counter weight ball keeps the vertical state of sampling tube.
Preferably, the curb plate upper end of sampling tube wear to establish and be fixed with the pressure release pipe, the last series connection of pressure release pipe is provided with the relief valve, the pressure release pipe lies in limit baffle with the inlet tube with one side setting, when giving out sample water, carries out the constant voltage in to the sampling tube through the pressure release pipe, or directly pours out sample water through the pressure release pipe.
Preferably, a floating ball is fixedly arranged on the lower surface of the mounting seat.
The working principle of the invention is as follows: when the sampling device is used, water samples at different depths are taken through the sampling cylinder, at the moment, the base is firstly erected on the shore, the positioning guide rod is pushed to move the mounting seat on the water surface to a fixed point position, the rotary reel emits the traction rope, and then the sampling cylinder descends to a specified depth for sampling; in the preparation stage, a hose of a water pump connected with a water outlet pipe is taken down, water is injected into the sampling cylinder through the water outlet pipe, water is injected into the sampling cylinder above the limiting spacer bush at the moment, the limiting spacer bush and the adjusting partition plate synchronously descend, water injected in advance above the limiting spacer bush is pumped out through the water pump when water is taken out, the limiting spacer bush and the adjusting partition plate synchronously ascend, sample water at a sampling point enters the lower part of the limiting spacer bush in the sampling cylinder through a water inlet pipe at the lower end of the sampling cylinder and is stored, and the sampling cylinder is taken out after sampling is finished; when adjusting the single sample volume, the nut is unscrewed, and is rotatory through screw rod control axis of rotation, and the axis of rotation drives adjusting damper and removes this moment, and adjusting damper drives adjusting damper and uses the axis of rotation as the rotation of axes, and adjusting damper stretches out and draws back in spacing spacer, and then the size of the confined space that curb plate, spacing spacer, adjusting damper, the adjusting damper of sampler barrel enclose, and this confined space is sampling space promptly.
Compared with the prior art, the invention has the beneficial effects that:
1. a limiting baffle is fixedly arranged in the sampling cylinder, an adjusting baffle is arranged through a rotating shaft, a limiting spacer bush is movably arranged on the limiting baffle, an adjusting partition plate is movably arranged on the adjusting baffle and is movably inserted in the limiting spacer bush, and a cavity with adjustable size is formed for containing sampling water;
2. an upper and lower independent space is formed in the sampling cylinder through a limiting spacer bush and an adjusting partition plate, clear water is filled in an upper cavity before water is taken, the clear water above is pumped out during sampling, and then sample water enters a lower cavity, so that the sampling cylinder can conveniently submerge normally;
3. set up the location uide bar on the mount pad and be connected with the location uide bushing on the base, and then can realize erectting the base at the water source bank, put down the sampler barrel after removing the mount pad to the fixed point top, realize the water sample.
Description of the drawings:
fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a schematic view of the construction of the dosing module of the present invention.
FIG. 3 is a schematic view of the inner structure of the sampling tube of the present invention.
Fig. 4 is a schematic structural view of the spacing sleeve of the present invention.
Fig. 5 is a schematic view of the structure of the regulating diaphragm in the present invention.
Description of reference numerals:
the device comprises a sampling cylinder 1, a traction rope 2, a water pump 3, a water inlet pipe 4, a water outlet pipe 5, a quantifying assembly 6, a limiting baffle 6-1, a limiting guide rod 6-2, a limiting spacer bush 6-3, a rotating shaft 6-4, an adjusting baffle 6-5, an adjusting guide rod 6-6, an adjusting partition plate 6-7, a screw rod 6-8, a nut 6-9, a positioning assembly 7, a positioning guide rod 7-1, a positioning guide sleeve 7-2, a base 7-3, a winding wheel 7-4, a guide wheel 7-5, a water filling port 8, a sealing cover 9, a support ring 10, a support rod 11, a spring 12, a guy cable 13, a counterweight ball 14, a pressure relief pipe 15, a pressure relief valve 16, a floating ball 17, a mounting seat 18 and a sealing plate 19.
The specific implementation mode is as follows:
the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment:
the sampling device comprises a sampling tube 1, a traction rope 2, a water pump 3 and a mounting seat 18, wherein the upper end of the traction rope 2 is arranged on the mounting seat 18, the lower end of the traction rope 2 is fixedly provided with the sampling tube 1, the upper side wall of the sampling tube 1 is fixedly provided with a water outlet pipe 5 in a penetrating way, the lower side wall of the sampling tube 1 is fixedly provided with a water inlet pipe 4 in a penetrating way, and the inlet end of the water pump 3 is connected with the upper port of the water outlet pipe 5 through a hose; the quantitative sampler also comprises a quantitative component 6 and a positioning component 7, wherein the quantitative component 6 is fixedly arranged in the sampling tube 1, and the mounting seat 18 is fixedly arranged on the positioning component 7;
the quantitative component 6 comprises a limit baffle 6-1, a limit spacer 6-3, a rotating shaft 6-4, an adjusting baffle 6-5 and an adjusting clapboard 6-7, wherein the inner side wall of the sampling tube 1 is riveted with a limit baffle 6-1, the upper and lower side edges of the limit baffle 6-1 are respectively riveted on the upper and lower inner side walls of the sampling tube 1, the side wall of the limit baffle 6-1 is riveted with a limit guide rod 6-2, a limit spacer 6-3 is movably sleeved on the guide rod, one end of the limit spacer 6-3 is movably abutted against the side wall of the limit baffle 6-1, the outer side edge of the limit spacer 6-3 is movably abutted against the inner side wall of the sampling tube 1, the other end of the limit spacer 6-3 is provided with an opening, and the limit spacer 6-3 is erected between the water inlet pipe 4 and the water outlet pipe 5; a rotating shaft 6-4 is rotatably arranged in the sampling cylinder 1 through a bearing, the upper end of the rotating shaft 6-4 is arranged on the upper side plate of the sampling cylinder 1 in a penetrating way, the movable edge of a limit baffle 6-1 is movably abutted against the side wall of the rotating shaft 6-4, an adjusting baffle 6-5 is riveted on the rotating shaft 6-4, the side edge of the adjusting baffle 6-5 is movably abutted against the inner wall of the sampling cylinder 1, an adjusting guide rod 6-6 is riveted on the side wall of the adjusting baffle 6-5, an adjusting partition plate 6-7 is movably sleeved on the adjusting guide rod 6-6, one end of the adjusting partition plate 6-7 is movably abutted against the side wall of the adjusting baffle 6-5, the other end of the adjusting partition plate 6-7 is movably inserted in the limit partition sleeve 6-3, the outer side edge of the adjusting partition plate 6-7 is movably abutted against the inner side wall of the sampling cylinder 1, the inner side edge of the adjusting partition plate 6-7 is movably abutted against the rotating shaft 6-4; the upper end of the rotating shaft 6-4 is riveted with a screw 6-8, the screw 6-8 is screwed with a nut 6-9, and the nut 6-9 is movably abutted against the upper surface of the sampling tube 1;
the positioning assembly 7 comprises a positioning guide rod 7-1, a positioning guide sleeve 7-2 and a winding wheel 7-4, wherein the positioning guide rod 7-1 is riveted on the side wall of the mounting seat 18, the positioning guide sleeve 7-2 is movably sleeved on the positioning guide rod 7-1, a base 7-3 is riveted on the positioning guide sleeve 7-2, the water pump 3 is riveted on the base 7-3, a guide wheel 7-5 is screwed on the mounting seat 18 through a bearing, the winding wheel 7-4 is screwed on the base 7-3 through a bearing, and the upper end of the traction rope 2 is wound and fixed on the winding wheel 7-4 after bypassing the guide wheel 7-5;
a water injection port 8 is fixedly arranged on one side, opposite to the limiting spacer 6-3, of the limiting baffle 6-1 on the upper side wall of the sampling cylinder 1 in a penetrating manner, a sealing cover 9 is screwed on the water injection port 8, after the size of a sampling cavity in the sampling cylinder 1 is adjusted, water is injected into a spare cavity of the sampling cylinder 1 through the water injection port 8, air in the spare cavity is discharged, and the submerged buoyancy of the sampling cylinder 1 is reduced; the inner side wall of the water inlet pipe 4 is riveted with a support ring 10, a support rod 11 is movably arranged in the support ring 10 in a penetrating mode, the lower end of the support rod 11 extends below the water inlet pipe 4, a sealing plate 19 is riveted at the lower end of the support rod 11, a spring 12 is sleeved on the support rod 11, the upper end of the spring 12 is riveted on the support ring 10, the lower end of the spring 12 is riveted on the sealing plate 19, a pull rope 13 is riveted at the upper end of the support rod 11, the upper end of the pull rope 13 is riveted on the lower side wall of a limiting spacer 6-3, when sampling is carried out, the limiting spacer 6-3 rises, sample water enters the sampling cylinder 1, after the sample water is filled with the sample water, the pull rope 13 pulls the sealing plate 19 to rise, the water inlet pipe 4 is blocked, and therefore, impurities can be prevented from entering the sampling water inlet pipe 4 when the sampling water is in an open state, or the sample water flows out of the water inlet pipe 4;
a counterweight ball 14 is movably arranged on one side, away from the limiting spacer 6-3, of the limiting baffle 6-1 in the sampling cylinder 1, when the sampling cylinder 1 is submerged, the counterweight ball 14 keeps the sampling cylinder 1 in a vertical state, the counterweight ball 14 is arranged in a movable state, the vertical up-down point-to-state of the sampling cylinder 1 is not limited at the moment, only the sampling cylinder 1 is kept vertical, and the counterweight ball 14 provides the submerged gravity of the sampling cylinder 1; the upper end of a side plate of the sampling tube 1 is fixedly provided with a pressure relief tube 15 in a penetrating way, the pressure relief tube 15 is provided with a pressure relief valve 16 in series, the pressure relief tube 15 and the water inlet tube 4 are arranged on the same side of the limiting baffle 6-1, when sample water is discharged, the pressure relief tube 15 is used for carrying out constant pressure on the interior of the sampling tube 1, or the sample water is directly poured out through the pressure relief tube 15, a floating ball 17 is riveted on the lower surface of the mounting seat 18, the floating ball 17 provides buoyancy for the mounting seat 18, upward force is not required to be applied to the positioning guide rod 7-1 by crossing the bank side to keep the mounting seat 18 on the water surface, and the positioning guide rod 7-1 is prevented from being bent.
The working principle of the specific embodiment is as follows: when the sampling device is used, water samples at different depths are taken through the sampling cylinder 1, at the moment, the base 7-3 is firstly erected on the shore, the positioning guide rod is pushed to move the mounting seat 18 on the water surface to a fixed point position, the rotary reel 7-4 discharges the traction rope 2, and then the sampling cylinder 1 descends to a specified depth for sampling; in the preparation stage, a hose of a water pump 3 connected with a water outlet pipe 5 is taken down, water is injected into the sampling cylinder 1 through the water outlet pipe 5, water is injected into the sampling cylinder 1 above a limiting spacer 6-3 at the moment, the limiting spacer 6-3 and an adjusting partition plate 6-7 synchronously descend, water pre-injected above the limiting spacer 6-3 is pumped out through the water pump 3 when water is taken, the limiting spacer 6-3 and the adjusting partition plate 6-7 synchronously ascend, sample water at a sampling point enters the lower part of the limiting spacer 6-3 in the sampling cylinder 1 through a water inlet pipe 4 at the lower end of the sampling cylinder 1 and is stored, and the sampling cylinder 1 is taken out after sampling is finished; when the sampling amount of a single time is adjusted, the nut 6-9 is unscrewed, the rotating shaft 6-4 is controlled to rotate through the screw rod 6-8, the rotating shaft 6-4 drives the adjusting baffle 6-5 to move, the adjusting baffle 6-5 drives the adjusting partition plate 6-7 to rotate by taking the rotating shaft 6-4 as an axis, the adjusting baffle 6-7 stretches and moves in the limiting spacer 6-3, and then the size of a closed space defined by the side plate of the sampling cylinder 1, the limiting baffle 6-1, the limiting spacer 6-3, the adjusting baffle 6-5 and the adjusting partition plate 6-7 is the sampling space.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. a limiting baffle 6-1 is fixedly arranged in the sampling tube 1, an adjusting baffle 6-5 is arranged through a rotating shaft 6-4, a limiting spacer 6-3 is movably arranged on the limiting baffle 6-1, an adjusting partition plate 6-7 is movably arranged on the adjusting baffle 6-5, and the adjusting partition plate 6-7 is movably inserted in the limiting spacer 6-3, so that a cavity with adjustable size is formed for containing sampling water;
2. an upper and lower independent space is formed in the sampling cylinder 1 through a limiting spacer 6-3 and an adjusting partition plate 6-7, clear water is filled in an upper cavity before water is taken, the clear water above is pumped out during sampling, and then sample water enters a lower cavity, so that the sampling cylinder 1 can conveniently submerge normally;
3. the installation seat 18 is provided with a positioning guide rod 7-1 which is connected with a positioning guide sleeve 7-2 on the base 7-3, so that the base 7-3 can be erected on the shore of a water source, the installation seat 18 is moved to the position above a fixed point, and then the sampling cylinder 1 is placed down, so that water body sampling is realized.
It will be appreciated by those skilled in the art that modifications and equivalents may be made to the embodiments described above, and that various modifications, equivalents, improvements and the like may be made without departing from the spirit and scope of the invention.
Claims (7)
1. A sampling device for water quality monitoring capable of sampling at different depths comprises a sampling cylinder (1), a traction rope (2), a water pump (3) and a mounting seat (18), wherein the upper end of the traction rope (2) is arranged on the mounting seat (18), the lower end of the traction rope (2) is fixedly provided with the sampling cylinder (1), the upper side wall of the sampling cylinder (1) is fixedly provided with a water outlet pipe (5) in a penetrating way, the lower side wall of the sampling cylinder (1) is fixedly provided with a water inlet pipe (4) in a penetrating way, and the inlet end of the water pump (3) is connected with the upper port of the water outlet pipe (5) through a hose; the method is characterized in that: the quantitative sampler also comprises a quantitative component (6) and a positioning component (7), wherein the quantitative component (6) is fixedly arranged in the sampling tube (1), and the mounting seat (18) is fixedly arranged on the positioning component (7);
the quantitative component (6) comprises a limit baffle (6-1), a limit spacer (6-3), a rotating shaft (6-4), an adjusting baffle (6-5) and an adjusting baffle (6-7), wherein the inner side wall of the sampling tube (1) is fixedly provided with the limit baffle (6-1), the upper side edge and the lower side edge of the limit baffle (6-1) are respectively and fixedly arranged on the upper inner side wall and the lower inner side wall of the sampling tube (1), the side wall of the limit baffle (6-1) is fixedly provided with a limit guide rod (6-2), a limit spacer (6-3) is movably sleeved on the guide rod, one end of the limit spacer (6-3) is movably abutted against the side wall of the limit baffle (6-1), the outer side edge of the limit spacer (6-3) is movably abutted against the inner side wall of the sampling tube (1), the other end of the limiting spacer bush (6-3) is provided with an opening, and the limiting spacer bush (6-3) is erected between the water inlet pipe (4) and the water outlet pipe (5); a rotating shaft (6-4) is rotatably arranged in the sampling cylinder (1) through a bearing, the upper end of the rotating shaft (6-4) is arranged on the upper side plate of the sampling cylinder (1) in a penetrating manner, the movable edge of a limit baffle (6-1) is movably abutted against the side wall of the rotating shaft (6-4), an adjusting baffle (6-5) is fixedly arranged on the rotating shaft (6-4), the side edge of the adjusting baffle (6-5) is movably abutted against the inner wall of the sampling cylinder (1), an adjusting guide rod (6-6) is fixedly arranged on the side wall of the adjusting baffle (6-5), an adjusting partition plate (6-7) is movably sleeved on the adjusting guide rod (6-6), one end of the adjusting partition plate (6-7) is movably abutted against the side wall of the adjusting baffle (6-5), the other end of the adjusting partition plate (6-7) is movably inserted in a limit spacer sleeve (6-3), the outer side edge of the adjusting partition plate (6-7) is movably abutted against the inner side wall of the sampling tube (1), and the inner side edge of the adjusting partition plate (6-7) is movably abutted against the rotating shaft (6-4); a screw rod (6-8) is fixedly arranged at the upper end of the rotating shaft (6-4), a nut (6-9) is screwed on the screw rod (6-8), and the nut (6-9) is movably abutted against the upper surface of the sampling cylinder (1);
the positioning assembly (7) comprises a positioning guide rod (7-1), a positioning guide sleeve (7-2) and a winding wheel (7-4), wherein the positioning guide rod (7-1) is fixedly arranged on the side wall of the mounting seat (18), the positioning guide sleeve (7-2) is movably sleeved on the positioning guide rod (7-1), a base (7-3) is fixedly arranged on the positioning guide sleeve (7-2), the water pump (3) is fixedly arranged on the base (7-3), the guide wheel (7-5) is rotatably arranged on the mounting seat (18) through a bearing, the winding wheel (7-4) is rotatably arranged on the base (7-3) through the bearing, and the upper end of the traction rope (2) is fixedly wound on the winding wheel (7-4) after bypassing the guide wheel (7-5).
2. The sampling device for water quality monitoring capable of sampling at different depths according to claim 1, wherein: the sampling tube is characterized in that a water injection port (8) is fixedly arranged on one side, back to the other side, of the limiting baffle (6-1) and the limiting spacer sleeve (6-3) on the upper side wall of the sampling tube (1) in a penetrating mode, a sealing cover (9) is arranged on the water injection port (8) in a rotating mode, after the size of a sampling cavity in the sampling tube (1) is adjusted, water is injected into a spare cavity of the sampling tube (1) through the water injection port (8), air in the spare cavity is discharged, and the buoyancy force of the sampling tube (1) when the sampling tube is submerged is reduced.
3. The sampling device for water quality monitoring capable of sampling at different depths according to claim 1, wherein: a support ring (10) is fixedly arranged on the inner side wall of the water inlet pipe (4), a support rod (11) is movably arranged in the support ring (10) in a penetrating way, the lower end of the supporting rod (11) extends below the water inlet pipe (4), a sealing plate (19) is fixedly arranged at the lower end of the supporting rod (11), a spring (12) is sleeved on the supporting rod (11), the upper end of the spring (12) is fixedly arranged on the supporting ring (10), the lower end of the spring (12) is fixedly arranged on the sealing plate (19), a pull rope (13) is fixedly arranged at the upper end of the supporting rod (11), the upper end of the pull rope (13) is fixedly arranged on the lower side wall of the limiting spacer sleeve (6-3), when sampling is carried out, the spacing spacer (6-3) rises, sample water enters the sampling cylinder (1), when the sample water is full, the stay (13) pulls the sealing plate (19) to rise, and the water inlet pipe (4) is blocked.
4. The sampling device for water quality monitoring capable of sampling at different depths according to claim 1, wherein: a counterweight ball (14) is movably arranged on one side, away from the limiting spacer bush (6-3), of the limiting baffle (6-1) in the sampling cylinder (1), and when the sampling cylinder (1) submerges, the counterweight ball (14) keeps the sampling cylinder (1) in a vertical state.
5. The sampling device for water quality monitoring capable of sampling at different depths according to claim 1, wherein: the sampler barrel is characterized in that a pressure relief pipe (15) is fixedly arranged at the upper end of a side plate of the sampler barrel (1) in a penetrating mode, a pressure relief valve (16) is arranged on the pressure relief pipe (15) in a series connection mode, the pressure relief pipe (15) and a water inlet pipe (4) are arranged on the same side of a limiting baffle (6-1), when sample water is discharged, the pressure relief pipe (15) is used for carrying out constant pressure on the interior of the sampler barrel (1), or the sample water is directly poured out through the pressure relief pipe (15).
6. The sampling device for water quality monitoring capable of sampling at different depths according to claim 1, wherein: a floating ball (17) is fixedly arranged on the lower surface of the mounting seat (18).
7. The working principle of the sampling device for water quality monitoring capable of sampling at different depths according to claim 1 is characterized in that: when the sampling device is used, water samples at different depths are taken through the sampling cylinder (1), at the moment, a base (7-3) is firstly erected on the bank side, a positioning guide rod is pushed to move an installation seat (18) to a fixed point position on the water surface, a rotary reel (7-4) discharges a traction rope (2), and the sampling cylinder (1) descends to a specified depth for sampling; in the preparation stage, a hose of a water pump (3) connected with a water outlet pipe (5) is taken down, water is injected into a sampling cylinder (1) through the water outlet pipe (5), water is injected into the sampling cylinder (1) above a limiting spacer sleeve (6-3) at the moment, the limiting spacer sleeve (6-3) and an adjusting partition plate (6-7) synchronously descend, water injected in advance above the limiting spacer sleeve (6-3) is pumped out through the water pump (3) in the water taking process, the limiting spacer sleeve (6-3) and the adjusting partition plate (6-7) synchronously ascend, sample water at a sampling point enters the lower part of the limiting spacer sleeve (6-3) in the sampling cylinder (1) through a water inlet pipe (4) at the lower end of the sampling cylinder (1) and is stored, and the sampling cylinder (1) is taken out after the sampling is finished; when the sampling amount of a single time is adjusted, the nut (6-9) is unscrewed, the rotating shaft (6-4) is controlled to rotate through the screw rod (6-8), the rotating shaft (6-4) drives the adjusting baffle (6-5) to move at the moment, the adjusting baffle (6-5) drives the adjusting baffle (6-7) to rotate by taking the rotating shaft (6-4) as an axis, the adjusting baffle (6-7) stretches and moves in the limiting spacer sleeve (6-3), and then the size of a closed space surrounded by the side plate of the sampling cylinder (1), the limiting baffle (6-1), the limiting spacer sleeve (6-3), the adjusting baffle (6-5) and the adjusting baffle (6-7) is the sampling space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111102488.5A CN113804501A (en) | 2021-09-20 | 2021-09-20 | Sampling device for water quality monitoring capable of sampling at different depths |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111102488.5A CN113804501A (en) | 2021-09-20 | 2021-09-20 | Sampling device for water quality monitoring capable of sampling at different depths |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113804501A true CN113804501A (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111102488.5A Withdrawn CN113804501A (en) | 2021-09-20 | 2021-09-20 | Sampling device for water quality monitoring capable of sampling at different depths |
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| Country | Link |
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| CN (1) | CN113804501A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137175A (en) * | 2022-01-29 | 2022-03-04 | 中国科学院西北生态环境资源研究院 | Movable river water quality monitoring device |
| CN116973165A (en) * | 2023-07-31 | 2023-10-31 | 山东蓝一检测技术有限公司 | Sampling device and method for environmental monitoring |
-
2021
- 2021-09-20 CN CN202111102488.5A patent/CN113804501A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114137175A (en) * | 2022-01-29 | 2022-03-04 | 中国科学院西北生态环境资源研究院 | Movable river water quality monitoring device |
| CN116973165A (en) * | 2023-07-31 | 2023-10-31 | 山东蓝一检测技术有限公司 | Sampling device and method for environmental monitoring |
| CN116973165B (en) * | 2023-07-31 | 2024-04-26 | 山东蓝一检测技术有限公司 | Sampling device and method for environmental monitoring |
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Application publication date: 20211217 |