CN114858518A - Water sample collecting and detecting device for water pollution detection and implementation method thereof - Google Patents
Water sample collecting and detecting device for water pollution detection and implementation method thereof Download PDFInfo
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- CN114858518A CN114858518A CN202210271777.6A CN202210271777A CN114858518A CN 114858518 A CN114858518 A CN 114858518A CN 202210271777 A CN202210271777 A CN 202210271777A CN 114858518 A CN114858518 A CN 114858518A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 169
- 238000001514 detection method Methods 0.000 title claims abstract description 63
- 238000003911 water pollution Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000005070 sampling Methods 0.000 claims abstract description 134
- 239000000523 sample Substances 0.000 claims abstract description 94
- 238000007667 floating Methods 0.000 claims abstract description 21
- 239000000758 substrate Substances 0.000 claims description 61
- 238000004804 winding Methods 0.000 claims description 29
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000007789 sealing Methods 0.000 claims description 13
- 230000006835 compression Effects 0.000 claims description 12
- 238000007906 compression Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 abstract description 5
- 239000013068 control sample Substances 0.000 abstract 1
- 239000002585 base Substances 0.000 description 7
- 230000002265 prevention Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 4
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- 239000010865 sewage Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
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- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
- B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
- B65H75/44—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/1826—Organic contamination in water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
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- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a water sample collecting and detecting device for water pollution detection and an implementation method thereof, belongs to the technical field of water pollution detection, and aims to solve the problems that the position of water depth cannot be accurately judged and the working efficiency is greatly reduced. According to the water sample collecting and detecting device for detecting water pollution and the implementation method thereof, the fixed-depth collection and real-time detection of the water sample can be completed only by simple operation, the collection depth of the water control sample can be accurately obtained, the floating flat plate is used for uniformly and vertically arranging zero scale lines, the detection probe is used for obtaining the water sample data on site, the water collection depths of different sampling points are consistent, the water collection depth is consistent with the detection depth of the on-site probe, the quality and the efficiency of water quality detection are favorably improved, the structure is simple, and the operation is convenient.
Description
Technical Field
The invention relates to the technical field of water pollution detection, in particular to a water sample collecting and detecting device for water pollution detection and an implementation method thereof.
Background
Water pollution is water that causes a reduction or loss in the use value of water due to harmful chemicals, and pollutes the environment. Acid, alkali and oxidant in the sewage, compounds such as copper, cadmium, mercury, arsenic and the like, and organic poisons such as benzene, dichloroethane, ethylene glycol and the like can kill aquatic organisms, and influence drinking water sources and scenic spots. When the organic matters in the sewage are decomposed by microorganisms, oxygen in the sewage is consumed, so that the life of aquatic organisms is influenced, and after dissolved oxygen in the sewage is exhausted, the organic matters are subjected to anaerobic decomposition to generate unpleasant gases such as hydrogen sulfide and mercaptan, so that the water quality is further deteriorated.
In the water pollution detection process, a sampling bucket is often used for collecting a water sample, and the water sample is sent to a laboratory and then subjected to index detection. However, the water depth position of the common sampling bucket cannot be accurately judged, or the initial position of the water surface cannot be determined due to the existence of a shelter, and the sample is sent to a laboratory and then detected, so that the influence of space-time factors and the risk of pollution often exist, and the working efficiency is greatly reduced.
Disclosure of Invention
The invention aims to provide a water sample collecting and detecting device for water pollution detection and an implementation method thereof, which can finish fixed-depth collection and real-time detection of a water sample by simple operation, can accurately collect the depth of a water sample, utilizes a floating flat plate to unify vertical zero scale lines, and utilizes a detection probe to obtain water sample data on site, so that the water collecting depths of different sampling points are consistent, the water collecting depths are consistent with the detection depth of a probe on site, the quality and the efficiency of water quality detection are improved, the structure is simple, the operation is convenient, and the problems in the background technology are solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a water pollution detects uses water sample collection detection device, includes sampling staving, sampling rope, test probe and floats the flat board, be provided with the sampling rope on the sampling staving, the one end that the sampling rope is located the sampling staving inboard is connected with test probe, the one end that the sampling rope is located the sampling staving outside is connected with and floats the flat board, it receives unwinding mechanism to be provided with on the floating flat board, it is used for the rolling or unreels the sampling rope to receive unwinding mechanism.
Further, the upper end swing joint of sampling staving has the hand (hold), the top of sampling staving is provided with the staving apron, the sampling rope passes the staving apron, the one end that the sampling rope is located staving apron below is provided with spacing piece, the staving apron is hugged closely to spacing piece, the bottom of sampling staving is provided with the staving bottom plate, be provided with into water lid on the staving bottom plate, the inlet opening of seting up on the sealed staving bottom plate of lid that intakes, the inlet opening is opened or is closed to the lid that intakes through quick operating mechanism.
Furthermore, the outer surface of the sampling barrel body is provided with an upper drainage interface and a lower drainage interface, the upper drainage interface is positioned at the upper end of the sampling barrel body, the lower drainage interface is positioned at the lower end of the sampling barrel body, a drainage pipe is fixedly connected to the lower drainage interface, and one end, far away from the lower drainage interface, of the drainage pipe is hermetically connected to the upper drainage interface through an embedded clamping mechanism.
Further, receive unwinding mechanism includes first supporting substrate, second supporting substrate, receive and unreel and pull axle, transmission worm wheel and drive worm, the spiral winding of sampling rope is on receiving and unreeling and pull the axle, receive and unreel and pull the axle and pass through the bearing and install on first supporting substrate and second supporting substrate, first supporting substrate and second supporting substrate parallel mount float on the flat board, receive and unreel and pull the axle and install the transmission worm wheel through the spline, the below of transmission worm wheel is provided with the drive worm, drive worm and transmission worm wheel meshing.
Furthermore, the winding and unwinding mechanism further comprises a first mounting substrate, a second mounting substrate, a driving handle and an anti-rotation assembly, the driving worm is mounted on the first mounting substrate and the second mounting substrate through bearings, the first mounting substrate and the second mounting substrate are mounted on the side face of the second supporting substrate in parallel, the driving handle is arranged at one end of the driving worm, and the driving worm is fixed on the first mounting substrate through the anti-rotation assembly.
Further, prevent the rotation subassembly and include compression spring, flexible guide bar, connecting substrate, double-screw bolt, keysets and prevent the square inserted block of rotation, connecting substrate's one end is passed through compression spring and flexible guide bar and is connected on first mounting substrate, connecting substrate's other end threaded connection has the double-screw bolt, be provided with the keysets on the double-screw bolt, install on the keysets and prevent the square inserted block of rotation, prevent in the square inserted block of rotation inserts the drive worm, the tip of drive worm is seted up and is supplied to prevent the square inserted block of rotation male and prevent the rotation recess, prevent the square inserted block of rotation and prevent rotation recess adaptation.
Furthermore, the quick opening and closing mechanism comprises an expansion spring, an expansion guide post and a limiting table, the limiting table is installed at a water inlet hole formed in the bottom plate of the barrel body, the limiting table is connected with a water inlet cover through the expansion spring and the expansion guide post, and the water inlet cover seals the water inlet hole.
Further, embedding block mechanism includes screw thread spliced pole, erection support and gasket, the screw thread spliced pole is connected on the drain pipe, screw thread spliced pole threaded connection is on the erection support and the screw thread spliced pole passes through gasket and erection support sealing connection, the erection support is connected on last drainage interface.
Further, screw thread spliced pole and erection support all are the cavity form, the inboard at the erection support is connected to the screw thread spliced pole, the gasket is filled in the clearance between screw thread spliced pole and the erection support.
According to another aspect of the present invention, there is provided a water sample collection and detection method for a water sample collection and detection device for water pollution detection, comprising the steps of:
s1: the length of the sampling rope is adjusted according to the requirement of collecting water quality at a fixed depth, the driving worm is driven to rotate by the driving handle, so that the transmission worm wheel and the winding and unwinding traction shaft rotate along with the driving worm, and the winding and unwinding traction shaft can wind or unwind the sampling rope in the rotating process until the sampling rope is adjusted to be at a proper length;
s2: after the sampling rope is adjusted, the position of the anti-rotation square insertion block is adjusted by rotating the stud according to the position of the anti-rotation groove formed in the end part of the driving worm, so that the anti-rotation square insertion block is opposite to the anti-rotation groove, the connecting base plate is loosened, and the anti-rotation square insertion block is inserted into the anti-rotation groove under the acting force of the compression spring and the telescopic guide rod;
s3: the water sample collecting and detecting device is placed in water, after the floating flat plate floats on the water surface, the sampling barrel body reaches a required depth position along with the descending of the sampling rope, the water inlet cover moves upwards under the action of water pressure and does not seal the water inlet hole, so that water naturally enters the sampling barrel body through the water inlet hole, and meanwhile, a detection probe is adopted to detect partial indexes at any time;
s4: after water sample collection and detection, the threaded connecting column is rotated to separate the threaded connecting column from the mounting support, the drain pipe is pulled out from the upper drainage interface at the moment, and a water sample in the sampling barrel can flow out through the drain pipe.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention relates to a water sample collecting and detecting device for detecting water pollution and an implementation method thereof.A sampling barrel body is provided with a sampling rope, one end of the sampling rope is connected with a detecting probe, the other end of the sampling rope is connected with a floating flat plate, the outer surface of the sampling barrel body is provided with an upper drainage interface and a lower drainage interface, the lower drainage interface is fixedly connected with a drainage pipe, one end of the drainage pipe is hermetically connected with the upper drainage interface through an embedded clamping mechanism, the fixed-depth collection and real-time detection of a water sample can be completed only by simple operation, the collection depth of a water sample can be accurately controlled, the floating flat plate is utilized to uniformly obtain water sample data on site by utilizing the detecting probe, so that the collection depths of different sampling points are consistent, and the collection depths are consistent with the detection depth of the site probe, thereby being beneficial to improving the quality and the efficiency of water quality detection Convenient operation, labour saving and time saving can improve work efficiency greatly.
2. The invention relates to a water sample collecting and detecting device for water pollution detection and an implementation method thereof.A floating flat plate is provided with a winding and unwinding mechanism, the winding and unwinding mechanism comprises a first supporting substrate, a second supporting substrate, a winding and unwinding traction shaft, a transmission worm wheel, a driving worm, a first mounting substrate, a second mounting substrate, a driving handle and an anti-rotation assembly, the length of a sampling rope is adjusted according to the requirement of depth-fixed water quality collection, the driving worm wheel and the winding and unwinding traction shaft are driven to rotate by the driving handle, the winding and unwinding traction shaft can wind or unwind the sampling rope in the rotating process until the sampling rope is adjusted to a proper length, the winding and unwinding mechanism can be used for depth-fixed sampling detection of water samples at different depths, the application range is wide, and the requirements of depth-fixed sampling detection of the water samples under different conditions can be met.
3. The invention relates to a water sample collecting and detecting device for detecting water pollution and an implementation method thereof.A rotation-preventing assembly comprises a compression spring, a telescopic guide rod, a connecting base plate, a stud, an adapter plate and a rotation-preventing square insertion block.
4. The invention relates to a water sample collecting and detecting device for detecting water pollution and an implementation method thereof.A quick opening and closing mechanism comprises a telescopic spring, a telescopic guide post and a limiting platform, wherein the limiting platform is arranged at a water inlet hole formed on a bottom plate of a barrel body, the limiting platform is connected with a water inlet cover through the telescopic spring and the telescopic guide post, the water inlet cover seals the water inlet hole, the water sample collecting and detecting device is put into water, a sampling barrel body reaches a required depth position along with the descending of a sampling rope after a floating flat plate floats on the water surface, the water inlet cover moves upwards under the action of water pressure and does not seal the water inlet hole any more, so that water naturally enters the sampling barrel body through the water inlet hole, and the quick opening and closing mechanism can ensure that a water sample can only flow in one direction.
5. The invention relates to a water sample collecting and detecting device for detecting water pollution and an implementation method thereof.A built-in clamping mechanism comprises a threaded connecting column, a mounting support and a sealing sheet, the threaded connecting column is connected on a drain pipe, the threaded connecting column is in threaded connection with the mounting support, the threaded connecting column is in sealed connection with the mounting support through the sealing sheet, the mounting support is connected on an upper drainage interface, the threaded connecting column and the mounting support are both hollow, the threaded connecting column is connected on the inner side of the mounting support, the sealing sheet is filled in a gap between the threaded connecting column and the mounting support, after water sample collection and detection, the threaded connecting column is rotated to separate the threaded connecting column from the mounting support, the drain pipe is pulled out from the upper drainage connector at the moment, a water sample in the sampling barrel can flow out through the drain pipe, and the drain pipe is conveniently assembled and disassembled by utilizing the embedded clamping mechanism, so that drainage and use are facilitated.
Drawings
FIG. 1 is a schematic view of a water sample collection and detection apparatus for detecting water pollution according to the present invention;
FIG. 2 is a schematic view of a detection probe attached to a sampling rope according to the present invention;
FIG. 3 is a schematic view of a winding and unwinding mechanism provided on the floating plate according to the present invention;
FIG. 4 is an enlarged view taken at A of FIG. 3 in accordance with the present invention;
FIG. 5 is an enlarged view of the invention at B of FIG. 4;
fig. 6 is an exploded view of the drive worm of the present invention secured to a first mounting substrate by an anti-rotation assembly;
FIG. 7 is a sectional front view of the water inlet cover of the present invention connected to the bottom plate of the barrel body through the quick opening and closing mechanism;
FIG. 8 is an enlarged view of the invention at C of FIG. 7;
FIG. 9 is a schematic view of the drain pipe of the present invention secured to the upper drain fitting by an embedded snap-fit mechanism;
fig. 10 is an exploded view of the drain pipe of the present invention secured to the upper drain fitting by an insert snap mechanism.
In the figure: 1. a sampling barrel body; 11. a handle; 12. a cover plate of the barrel body; 13. a barrel body bottom plate; 14. an upper drainage interface; 15. a lower drainage interface; 2. sampling a rope; 21. a limiting sheet; 3. detecting a probe; 4. a floating plate; 5. a winding and unwinding mechanism; 51. a first support substrate; 52. a second support substrate; 53. winding and unwinding a traction shaft; 54. a drive worm gear; 55. a drive worm; 56. a first mounting substrate; 57. a second mounting substrate; 58. a drive handle; 59. an anti-rotation assembly; 591. a compression spring; 592. a telescopic guide rod; 593. connecting the substrates; 594. a stud; 595. an adapter plate; 596. the anti-rotation square insert block; 6. a water inlet cover; 7. a quick opening and closing mechanism; 71. a tension spring; 72. a telescopic guide post; 73. a limiting table; 8. a drain pipe; 9. an embedded engagement mechanism; 91. a threaded connection post; 92. mounting a support; 93. and (7) sealing the sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a water pollution detects uses water sample collection detection device, including sampling staving 1, sampling rope 2, test probe 3 and floating flat plate 4, be provided with sampling rope 2 on the sampling staving 1, the one end that sampling rope 2 is located 1 inboard of sampling staving is connected with test probe 3, the one end that sampling rope 2 is located the 1 outside of sampling staving is connected with floating flat plate 4, be provided with on the floating flat plate 4 and receive unwinding mechanism 5, receive unwinding mechanism 5 and be used for the rolling or unreel sampling rope 2.
Referring to fig. 2, the upper end of the sampling barrel body 1 is movably connected with a handle 11, the top of the sampling barrel body 1 is provided with a barrel body cover plate 12, the sampling rope 2 penetrates through the barrel body cover plate 12, one end of the sampling rope 2, which is positioned below the barrel body cover plate 12, is provided with a limiting piece 21, the limiting piece 21 is tightly attached to the barrel body cover plate 12, the bottom of the sampling barrel body 1 is provided with a barrel body bottom plate 13, a water inlet cover 6 is arranged on the barrel body bottom plate 13, the water inlet cover 6 seals a water inlet hole formed in the barrel body bottom plate 13, the water inlet cover 6 opens or closes the water inlet hole through a quick opening and closing mechanism 7, the outer surface of the sampling barrel body 1 is provided with an upper drainage interface 14 and a lower drainage interface 15, the upper drainage interface 14 is positioned at the upper end of the sampling barrel body 1, the lower drainage interface 15 is positioned at the lower end of the sampling barrel body 1, the lower drainage interface 15 is fixedly connected with a drainage pipe 8, and one end of the drainage interface 15, which is far away from the lower drainage interface 8 is hermetically connected with the upper drainage interface 14 through an embedding clamping mechanism 9.
After the drain pipe 8 is embedded and fixed in the upper drainage interface 14, the sampling barrel body 1 is placed in water, when the floating flat plate 4 floats on the water surface, the sampling barrel body 1 reaches a required depth position along with the descending of the sampling rope 2, water naturally enters the sampling barrel body 1 through a water inlet hole at the bottom of the sampling barrel body 1 under the action of water pressure, meanwhile, a detection probe 3 detects partial indexes in real time, when the water sample is collected, the sampling barrel body 1 is lifted up, the drain pipe 8 is pulled out from the upper drainage interface 14, the water sample can automatically flow out from the drain pipe 8, the fixed-depth collection and real-time detection of the water sample can be completed by simple operation, the collection depth of the water sample can be accurately controlled, the vertical zero scale lines are unified by the floating flat plate 4, the water sample data can be obtained on site by the detection probe 3, the water sampling depths of different sampling points are consistent, and the water sampling depths are consistent with the detection depth of the on-site probe, the fixed-depth sampling detection device is beneficial to improving the quality and the efficiency of water quality detection, simple in structure, convenient to operate, time-saving and labor-saving, and capable of greatly improving the working efficiency.
Referring to fig. 3 to 5, the winding and unwinding mechanism 5 includes a first supporting substrate 51, a second supporting substrate 52, a winding and unwinding pulling shaft 53, a driving worm wheel 54 and a driving worm 55, the sampling rope 2 is spirally wound on the winding and unwinding pulling shaft 53, the winding and unwinding pulling shaft 53 is mounted on the first supporting substrate 51 and the second supporting substrate 52 through a bearing, the first supporting substrate 51 and the second supporting substrate 52 are mounted in parallel on the floating plate 4, the winding and unwinding pulling shaft 53 is mounted with the driving worm wheel 54 through a spline, the driving worm 55 is disposed below the driving worm wheel 54, the driving worm 55 is engaged with the driving worm wheel 54, the winding and unwinding mechanism 5 further includes a first mounting substrate 56, a second mounting substrate 57, a driving handle 58 and an anti-rotation assembly 59, the driving worm 55 is mounted on the first mounting substrate 56 and the second mounting substrate 57 through a bearing, the first mounting substrate 56 and the second mounting substrate 57 are mounted in parallel on the side of the second supporting substrate 52, one end of the driving worm 55 is provided with a driving handle 58, and the driving worm 55 is fixed to the first mounting substrate 56 by a rotation preventing member 59.
The length of sampling rope 2 is adjusted according to the demand of the water quality of depthkeeping collection, drive the rotatory transmission worm wheel 54 that makes and receive and unreel traction shaft 53 and rotate along with it through drive handle 58, receive and unreel traction shaft 53 and can roll or unreel sampling rope 2 at rotatory in-process, adjust to suitable length until sampling rope 2, can carry out depthkeeping sampling detection to the water sample of the different degree of depth, its application scope is wide, can satisfy the water sample depthkeeping sampling detection demand under the different situation.
Referring to fig. 6, rotation preventing assembly 59 includes compression spring 591, flexible guide bar 592, connection base plate 593, double-screw bolt 594, adapter plate 595 and the square inserted block 596 of rotation prevention, connection base plate 593's one end is passed through compression spring 591 and flexible guide bar 592 and is connected on first mounting substrate 56, connection base plate 593's other end threaded connection has double-screw bolt 594, be provided with adapter plate 595 on the double-screw bolt 594, install on the adapter plate 595 and prevent the square inserted block 596 of rotation prevention, prevent in the square inserted block 596 of rotation prevention inserts drive worm 55, the tip of drive worm 55 is seted up and is supplied to prevent the square inserted block 596 male rotation prevention recess of rotation prevention, prevent the square inserted block 596 of rotation prevention and prevent the adaptation of rotation prevention recess.
After the sampling rope 2 is adjusted, according to the position of the anti-rotation groove formed in the end portion of the driving worm 55, the position of the anti-rotation square inserting block 596 is adjusted by rotating the stud 594, so that the anti-rotation square inserting block 596 is right opposite to the anti-rotation groove, the connecting base plate 593 is loosened at the moment, the anti-rotation square inserting block 596 is inserted into the anti-rotation groove under the acting force of the compression spring 591 and the telescopic guide rod 592, the influence on the depth sampling detection of a water sample due to the rotation of the driving worm 55 can be effectively prevented, and the smooth operation of the depth sampling detection of the water sample can be fully guaranteed.
Referring to fig. 7-8, the fast opening and closing mechanism 7 includes a telescopic spring 71, a telescopic guide post 72 and a limit platform 73, the limit platform 73 is installed at a water inlet hole formed on the bottom plate 13 of the barrel body, the limit platform 73 is connected with the water inlet cover 6 through the telescopic spring 71 and the telescopic guide post 72, and the water inlet cover 6 seals the water inlet hole.
Put into the aquatic with this water sample collection detection device, float flat board 4 and float behind the surface of water, sampling staving 1 reachs required degree of depth position along with the decline of sampling rope 2, because hydraulic effect for intake cover 6 rebound and no longer sealed inlet opening make water naturally through the inlet opening get into sampling staving 1 in, can guarantee that the water sample can only one-way flow.
Referring to fig. 9-10, embedding block mechanism 9 includes screw thread spliced pole 91, erection support 92 and sealing piece 93, screw thread spliced pole 91 is connected on drain pipe 8, screw thread spliced pole 91 threaded connection is on erection support 92 and screw thread spliced pole 91 passes through sealing piece 93 and erection support 92 sealing connection, erection support 92 is connected on last drainage interface 14, screw thread spliced pole 91 and erection support 92 all are the cavity form, screw thread spliced pole 91 is connected in erection support 92's inboard, the sealing piece 93 is filled in the clearance between screw thread spliced pole 91 and erection support 92, can seal between screw thread spliced pole 91 and the erection support 92 through sealing piece 93.
After water sample collection and detection, the threaded connecting column 91 is rotated to separate the threaded connecting column 91 from the mounting support 92, at the moment, the drain pipe 8 is pulled out from the upper drainage interface 14, and a water sample in the sampling barrel body 1 can flow out through the drain pipe 8, so that the drain pipe 8 is convenient to assemble and disassemble, drain and use.
In order to better demonstrate the water sample collecting and detecting process of the water sample collecting and detecting device for water pollution detection, the embodiment provides a water sample collecting and detecting method of the water sample collecting and detecting device for water pollution detection, which includes the following steps:
s1: the length of the sampling rope 2 is adjusted according to the requirement of collecting water quality at a fixed depth, the driving worm 55 is driven to rotate through the driving handle 58, so that the transmission worm gear 54 and the winding and unwinding traction shaft 53 rotate along with the transmission worm gear, and the winding and unwinding traction shaft 53 can wind or unwind the sampling rope 2 in the rotating process until the sampling rope 2 is adjusted to be at a proper length;
s2: after the sampling rope 2 is adjusted, the position of the rotation preventing square insert block 596 is adjusted by rotating the stud 594 according to the position of the rotation preventing groove formed in the end of the driving worm 55, so that the rotation preventing square insert block 596 is opposite to the rotation preventing groove, at the moment, the connecting base plate 593 is loosened, and the rotation preventing square insert block 596 is inserted into the rotation preventing groove under the acting force of the compression spring 591 and the telescopic guide rod 592;
s3: the water sample collecting and detecting device is placed in water, after the floating flat plate 4 floats on the water surface, the sampling barrel body 1 reaches a required depth position along with the descending of the sampling rope 2, the water inlet cover 6 moves upwards under the action of water pressure and does not seal a water inlet, so that water naturally enters the sampling barrel body 1 through the water inlet, and meanwhile, a part of indexes are detected by adopting the detecting probe 3 at any time;
s4: after water sample collection and detection, the threaded connecting column 91 is rotated to separate the threaded connecting column 91 from the mounting support 92, at the moment, the drain pipe 8 is pulled out from the upper drain port 14, and a water sample in the sampling barrel body 1 can flow out through the drain pipe 8.
In conclusion, the water sample collecting and detecting device for detecting water pollution and the implementation method thereof of the invention are characterized in that the drain pipe 8 is embedded and fixed in the upper drain connector 14, then the sampling barrel body 1 is placed in the water, when the floating flat plate 4 floats on the water surface, the sampling barrel body 1 reaches the required depth position along with the descending of the sampling rope 2, the water naturally enters the sampling barrel body 1 through the water inlet hole at the bottom of the sampling barrel body 1 due to the action of the water pressure, meanwhile, the detecting probe 3 detects partial indexes from time to time, when the water sample is collected, the sampling barrel body 1 is lifted, the drain pipe 8 is pulled out from the upper drain connector 14, the water sample can automatically flow out of the drain pipe 8, the fixed-depth collection and the real-time detection of the water sample can be completed only by simple operation, the collection depth of the water sample can be accurately controlled, the water sample data can be obtained on site by using the floating flat plate 4 and the vertical zero scale line, the depth of water sampling at different sampling points is consistent, the depth of water sampling is consistent with the detection depth of the field probe, the quality and the efficiency of water quality detection are improved, and the depth-fixed sampling detection device is simple in structure, convenient to operate, time-saving and labor-saving, and capable of greatly improving the working efficiency.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (10)
1. The utility model provides a water pollution detects uses water sample collection detection device, includes sampling staving (1), sampling rope (2), test probe (3) and floats dull and stereotyped (4), its characterized in that, be provided with sampling rope (2) on sampling staving (1), the one end that sampling rope (2) are located sampling staving (1) inboard is connected with test probe (3), the one end that sampling rope (2) are located the sampling staving (1) outside is connected with and floats dull and stereotyped (4), it receives unwinding mechanism (5) to be provided with on dull and stereotyped (4) to float, receive unwinding mechanism (5) and be used for the rolling or unreel sampling rope (2).
2. The water sample collecting and detecting device for water pollution detection according to claim 1, wherein a handle (11) is movably connected to the upper end of the sampling barrel body (1), a barrel body cover plate (12) is arranged at the top of the sampling barrel body (1), the sampling rope (2) penetrates through the barrel body cover plate (12), a limiting piece (21) is arranged at one end of the sampling rope (2) below the barrel body cover plate (12), the barrel body cover plate (12) is tightly attached to the limiting piece (21), a barrel body bottom plate (13) is arranged at the bottom of the sampling barrel body (1), a water inlet cover (6) is arranged on the barrel body bottom plate (13), a water inlet hole formed in the barrel body bottom plate (13) is sealed by the water inlet cover (6), and the water inlet hole is opened or closed by the water inlet cover (6) through a quick opening and closing mechanism (7).
3. The water sample collection and detection device for water pollution detection as recited in claim 1, wherein an upper drainage port (14) and a lower drainage port (15) are arranged on the outer surface of the sampling barrel body (1), the upper drainage port (14) is located at the upper end of the sampling barrel body (1), the lower drainage port (15) is located at the lower end of the sampling barrel body (1), a drainage pipe (8) is fixedly connected to the lower drainage port (15), and one end of the drainage pipe (8) far away from the lower drainage port (15) is hermetically connected to the upper drainage port (14) through an embedded clamping mechanism (9).
4. The water sample collection and detection device for water pollution detection according to claim 1, the winding and unwinding mechanism (5) comprises a first supporting substrate (51), a second supporting substrate (52), a winding and unwinding traction shaft (53), a transmission worm wheel (54) and a driving worm (55), the sampling rope (2) is spirally wound on a winding and unwinding traction shaft (53), the winding and unwinding traction shaft (53) is arranged on a first support substrate (51) and a second support substrate (52) through bearings, the first support substrate (51) and the second support substrate (52) are arranged on the floating flat plate (4) in parallel, the winding and unwinding traction shaft (53) is provided with a transmission worm gear (54) through a spline, and a driving worm (55) is arranged below the transmission worm wheel (54), and the driving worm (55) is meshed with the transmission worm wheel (54).
5. The water sample collecting and detecting device for water pollution detection as recited in claim 4, wherein the winding and unwinding mechanism (5) further comprises a first mounting substrate (56), a second mounting substrate (57), a driving handle (58) and an anti-rotation assembly (59), the driving worm (55) is mounted on the first mounting substrate (56) and the second mounting substrate (57) through a bearing, the first mounting substrate (56) and the second mounting substrate (57) are mounted on the side of the second supporting substrate (52) in parallel, the driving handle (58) is disposed at one end of the driving worm (55), and the driving worm (55) is fixed on the first mounting substrate (56) through the anti-rotation assembly (59).
6. The water sample collection and detection device for detecting water pollution as recited in claim 5, wherein the rotation-preventing component (59) comprises a compression spring (591), a telescopic guide rod (592), a connection substrate (593), a stud (594), an adapter plate (595) and a rotation-preventing square insert block (596), one end of the connection substrate (593) is connected to the first mounting substrate (56) through the compression spring (591) and the telescopic guide rod (592), the other end of the connection substrate (593) is in threaded connection with the stud (594), the adapter plate (595) is arranged on the stud (594), the rotation-preventing square insert block (596) is mounted on the adapter plate (595), the rotation-preventing square insert block (596) is inserted into the driving worm (55), an rotation-preventing groove for the rotation-preventing square insert block (596) to be inserted into is formed at the end of the driving worm (55), the anti-rotation square insert block (596) is matched with the anti-rotation groove.
7. The water sample collection and detection device for water pollution detection as claimed in claim 2, wherein the quick opening and closing mechanism (7) comprises a telescopic spring (71), a telescopic guide post (72) and a limiting table (73), the limiting table (73) is installed at a water inlet hole formed in the bottom plate (13) of the barrel body, the limiting table (73) is connected with a water inlet cover (6) through the telescopic spring (71) and the telescopic guide post (72), and the water inlet cover (6) seals the water inlet hole.
8. The water sample collection and detection device for water pollution detection according to claim 3, wherein the embedded clamping mechanism (9) comprises a threaded connection column (91), a mounting support (92) and a sealing sheet (93), the threaded connection column (91) is connected to the drain pipe (8), the threaded connection column (91) is threaded to the mounting support (92) and the threaded connection column (91) is hermetically connected with the mounting support (92) through the sealing sheet (93), and the mounting support (92) is connected to the upper drain port (14).
9. The water sample collection and detection device for water pollution detection according to claim 8, wherein the threaded connection column (91) and the mounting seat (92) are hollow, the threaded connection column (91) is connected to the inner side of the mounting seat (92), and the sealing sheet (93) is filled in a gap between the threaded connection column (91) and the mounting seat (92).
10. A water sampling and detecting method of the water sampling and detecting device for detecting water pollution according to any one of claims 1 to 9, comprising the steps of:
s1: the length of the sampling rope (2) is adjusted according to the requirement of collecting water quality at a fixed depth, the driving worm (55) is driven to rotate through the driving handle (58), so that the transmission worm wheel (54) and the winding and unwinding traction shaft (53) rotate along with the driving worm, and the winding and unwinding traction shaft (53) can wind or unwind the sampling rope (2) in the rotating process until the sampling rope (2) is adjusted to be at a proper length;
s2: after the sampling rope (2) is adjusted, the position of the rotation preventing square insert block (596) is adjusted by rotating the stud (594) according to the position of the rotation preventing groove formed in the end portion of the driving worm (55), so that the rotation preventing square insert block (596) is opposite to the rotation preventing groove, the connecting base plate (593) is loosened, and the rotation preventing square insert block (596) is inserted into the rotation preventing groove under the acting force of the compression spring (591) and the telescopic guide rod (592);
s3: the water sample collecting and detecting device is placed in water, after the floating flat plate (4) floats on the water surface, the sampling barrel body (1) reaches a required depth position along with the descending of the sampling rope (2), the water inlet cover (6) moves upwards under the action of water pressure and does not seal a water inlet hole, so that water naturally enters the sampling barrel body (1) through the water inlet hole, and meanwhile, a detection probe (3) is adopted to detect partial indexes all the time;
s4: after water sample collection and detection, the threaded connecting column (91) is rotated, the threaded connecting column (91) is separated from the mounting support (92), the drain pipe (8) is pulled out from the upper drainage interface (14) at the moment, and the water sample in the sampling barrel body (1) can flow out through the drain pipe (8).
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Application publication date: 20220805 |