CN115266284A - Agricultural product pesticide residue detects uses sample sampling device - Google Patents
Agricultural product pesticide residue detects uses sample sampling device Download PDFInfo
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- CN115266284A CN115266284A CN202210842540.9A CN202210842540A CN115266284A CN 115266284 A CN115266284 A CN 115266284A CN 202210842540 A CN202210842540 A CN 202210842540A CN 115266284 A CN115266284 A CN 115266284A
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- 238000005070 sampling Methods 0.000 title claims abstract description 88
- 239000000447 pesticide residue Substances 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000003860 storage Methods 0.000 claims abstract description 38
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 31
- 238000007789 sealing Methods 0.000 claims description 27
- 238000004140 cleaning Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 10
- 238000001802 infusion Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 3
- 230000010405 clearance mechanism Effects 0.000 claims 1
- 239000000523 sample Substances 0.000 abstract description 35
- 239000012488 sample solution Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 description 10
- 239000000575 pesticide Substances 0.000 description 10
- 238000007599 discharging Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 238000002791 soaking Methods 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 239000004576 sand Substances 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
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/30—Staining; Impregnating ; Fixation; Dehydration; Multistep processes for preparing samples of tissue, cell or nucleic acid material and the like for analysis
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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
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- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a sampling device for detecting pesticide residues of agricultural products, belongs to the technical field of agricultural product detection, and solves the problem that partial agricultural products are easy to float on the water surface in the using process of the existing sampling device for detecting pesticide residues in some agricultural products, so that insufficient sampling is caused. This agricultural product pesticide residue detects uses sample sampling device, including the sampling bucket with deposit the bucket, the both sides on sampling bucket surface all are fixed with the diaphragm, and the top of diaphragm is fixed with first hydraulic stem, and the output shaft of first hydraulic stem is fixed with the connecting plate. The agricultural product storage container can be used for placing agricultural products, the storage container and the agricultural products are completely soaked in sampling water in the sampling process, so that the agricultural products are prevented from floating upwards, external force is applied to the agricultural products by the vertical movement of the storage container, the agricultural products and the sampling water generate relative friction, the separation speed of the agricultural products is accelerated, and after sampling is finished, the device can be used for filtering a sample solution.
Description
Technical Field
The invention belongs to the technical field of agricultural product detection, relates to a sampling device, and particularly relates to a sampling device for agricultural product pesticide residue detection.
Background
The problem of pesticide residue is highly emphasized in all countries in the world, increasingly strict limit standards are set for pesticide residue in various agricultural and sideline products, the agricultural products need to be subjected to pesticide residue detection before use, the agricultural products are placed into a sampling device, the surfaces of the agricultural products are cleaned and soaked by water, a sample solution is obtained, and then components in the sample are detected.
Through retrieval, for example, chinese patent document discloses a sampling device for detecting pesticide residue in agricultural products [ application number: CN202120259158.6; publication No.: CN214538596U ]. This kind of pesticide remains in agricultural product and detects uses sampling device, the on-line screen storage device comprises a base, upper surface one side of base evenly is provided with four support columns, and the fixed support frame that is provided with of lower part side surface of support column, the last surface mounting of support frame have a sample jar, the upper surface of sample jar is provided with the feed liquor pipe, and the one end and the outside feed liquor mechanism intercommunication of feed liquor pipe, the other end of feed liquor pipe wear out the interior side surface of sample jar and be connected with the nozzle, the outside surface mounting of sample jar has control panel, and control panel's input is connected with external power supply's output electricity.
The device disclosed in this patent, accomplish the sampling process through electric control is automatic, the efficiency of the sample is improved, the sampling time has been shortened, adopt feed liquor pipe and nozzle to wash the sample, the sample jar soaks the sample, and will wash, the liquid after soaking is automatic to be discharged, later sample censorship, semi-automatic control's process operation is simple, high durability and convenient use, but the device is at the in-process that soaks the agricultural product, float to the surface of water on some agricultural products, it is abundant inadequately to make some agricultural products soak, influence the sampling result, and wash agricultural product, though can get rid of the surperficial pesticide of agricultural product fast, accelerate the sampling speed, but the above-mentioned device only can wash at several fixed angles, easily deposit the dead angle, and in the process of soaking, agricultural product lacks the effect, its surperficial pesticide breaks away from the speed slower, the sampling efficiency has also been influenced, agricultural product is before the sample, its surface has earth, sand grain, the dust, impurity such as the pest, because wash before the sample, can lead to partial pesticide to break away from and influence the sampling result, consequently, the unwashen agricultural product can carry impurity to get into along with the sample in the sample, thereby the sample solution, thereby there is the detection of the heel.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a sample sampling device for detecting pesticide residue in agricultural products, which can place the agricultural products through a storage container, completely immerse the storage container and the agricultural products in sampling water in the sampling process, and can move up and down to apply external force to the agricultural products so that the agricultural products and the sampling water generate relative friction to accelerate the separation speed of pesticides, and can filter a sample solution after sampling.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides an agricultural product pesticide residue detects uses sample sampling device, includes the sample bucket and deposits the bucket, the both sides on sample bucket surface all are fixed with the diaphragm, the top of diaphragm is fixed with first hydraulic stem, the output shaft of first hydraulic stem is fixed with the connecting plate, the top of sample bucket is provided with the upper plate, and the upper plate is fixed with the connecting plate mutually, the top of upper plate is provided with actuating mechanism, the both sides at upper plate top all are fixed with the backup pad, the top of upper plate is provided with the rotation post, and rotates the post and run through the backup pad and be connected rather than the rotation, the both ends of rotation post all are fixed with the carousel, the opposite side rotation of carousel is connected with the movable rod, the both sides at upper plate top all run through and are provided with the sliding sleeve, the both sides of depositing the bucket top all are fixed with the movable column, the inner wall sliding connection of movable column and sliding sleeve, and the top of movable column and movable rod are articulated each other, the surface of depositing the bucket runs through and has offered the sample sealing opening, the surface of depositing the bucket articulates, the surface of depositing bucket and the sealing door all runs through and has seted up the weeping hole, the surface of depositing bucket and sealing door is provided with sealing mechanism, the fixed sealing mechanism, the both sides of fixed sealing mechanism of montant bottom is fixed with the fixed ring body respectively the mechanism, the bottom of the fixed ring body, the push mechanism, the infusion bottom of the fixed ring body is fixed ring body, the push mechanism.
The working principle of the invention is as follows: open first hydraulic stem and will deposit the bucket and rise to the eminence, open the sealing door and put the agricultural product that awaits measuring and deposit the inside of bucket, later close sealing door, then make and deposit the inside that bucket and ring body got into the sampling bucket, open first water pump and supply water, sample water accessible small opening gets into and arrives and deposits in the bucket, agricultural product is fully soaked in the aquatic, and prevent the agricultural product come-up, later open driving motor and make the rotating column drive the carousel and rotate, and the carousel drives the movable rod through the movable rod and deposits the bucket up-and-down motion, help the pesticide to break away from the agricultural product surface, after the sample is ended, open the second water pump and discharge sample solution, impurity is intercepted by the filter screen, avoid the filter screen to get into in subsequent collection container, after the sample is ended, open first hydraulic stem and make the upper plate, it rises together to deposit bucket and ring body, later open the second hydraulic stem and clear up the impurity on filter screen surface through the cleaning brush.
The pushing and cleaning mechanism comprises a supporting table, a supporting block, a second hydraulic rod, a movable plate and a cleaning brush, the supporting table is fixed behind the sampling barrel, the supporting block is fixed to the top of the second hydraulic rod, the second hydraulic rod is fixed above the supporting block, the movable plate is fixed to an output shaft of the second hydraulic rod, and the cleaning brush is arranged at the bottom of the movable plate.
Adopt above structure for the impurity of clearance filter screen surface filtration interception.
The width of the movable plate is smaller than the distance between the vertical rods on the two sides, and the cleaning brush is a soft brush.
By adopting the structure, the movable plate can be prevented from touching the vertical rod in the movement process.
The bottom of brace table is fixed with the support frame, the landing leg all is fixed with around the sampling bucket surface, and the bottom of support frame and the bottom of landing leg parallel and level each other.
Structure more than adopting, the support frame can carry out auxiliary stay to a supporting bench, and the landing leg then can support the sample bucket.
The driving mechanism comprises a driving motor, a first bevel gear, a second bevel gear and an installation table, the installation table is fixed to the top of the upper plate, the driving motor is fixed to the top of the installation table, the first bevel gear is fixed to an output shaft of the driving motor, the second bevel gear is fixed to the surface of the rotating column, and the first bevel gear and the second bevel gear are meshed with each other.
By adopting the structure, the movable column is driven to move up and down to drive the storage barrel to move up and down.
The sealing mechanism comprises a sleeve, a compression spring, a positioning pin, a positioning plate and a positioning hole, wherein the sleeve is fixed on the surface of the storage barrel, one end of the compression spring is fixed on the inner wall of the positioning pin, the other end of the compression spring is fixed on the positioning pin, the positioning pin is in sliding connection with the inner wall of the sleeve, the positioning plate is fixed on the surface of the sealing door, and the positioning hole penetrates through the surface of the positioning plate.
Structure more than adopting fixes the sealing door, prevents that the sealing door from being opened at will.
The surface of the sleeve is provided with a vertical groove in a penetrating mode, one side of the locating pin is fixed with a connecting rod, the connecting rod is connected with the inner wall of the vertical groove in a sliding mode, and the other end of the connecting rod is fixed with a handle.
By adopting the structure, the holding handle can drive the positioning pin to move upwards through the connecting rod.
The surface of one side of the storage barrel is fixedly provided with a connecting block below the sleeve, and the surface of the connecting block is provided with a through hole in a penetrating way.
The structure more than adopting to carry out assistance-localization real-time to the lower extreme of locating pin, increase the fixed stability of locating pin.
The infusion mechanism comprises a first water pump, a communicating pipe and an infusion pipe, one end of the infusion pipe is communicated with an inlet of the first water pump, one end of the communicating pipe is communicated with an outlet of the first water pump, and the other end of the communicating pipe is communicated with the sampling barrel.
Adopt above structure for supply water to the sampling bucket.
The liquid discharge mechanism comprises an electromagnetic valve, a liquid discharge pipe, a second water pump, a connecting pipe and a liquid outlet nozzle, the electromagnetic valve is communicated with the bottom end of the sampling barrel, one end of the liquid discharge pipe is communicated with the electromagnetic valve, the other end of the liquid discharge pipe is communicated with an inlet of the second water pump, one end of the connecting pipe is communicated with an outlet of the second water pump, and the liquid outlet nozzle is communicated with the other end of the connecting pipe.
With the above structure, the sample solution is discharged.
Compared with the prior art, this agricultural product pesticide residue detects uses sample sampling device has following advantage:
1. the agricultural product can be placed through the storage container, the storage container and the agricultural product are completely soaked in the sampling water in the sampling process, so that the agricultural product is prevented from floating upwards, external force can be applied to the agricultural product by the up-and-down movement of the storage container, the agricultural product and the sampling water generate relative friction, the separation speed of the agricultural product is increased, the sampling efficiency is improved, after the sampling is finished, the device can filter a sample solution, impurities are prevented from being sent and detected along with the sample solution, and the problem that part of agricultural product is easy to float on the water surface in the using process of the existing sampling device for detecting pesticide residues in some agricultural products, and the sampling is insufficient is solved.
2. Through the setting of brace table, supporting shoe, second hydraulic stem, movable plate and cleaning brush, after depositing bucket and the equal motion of upper plate to the top, ring body and filter screen are located the top of sampling bucket, open the second hydraulic stem this moment, and its output shaft extension drives the movable plate motion, and later the movable plate passes through from the surface of filter screen to clean the surface of filter screen through the cleaning brush, get rid of the impurity of filter screen surface filtration interception.
3. Through the setting of driving motor, first bevel gear, second bevel gear and mount table, open driving motor, it drives first bevel gear and rotates, and later first bevel gear drives through second bevel gear and rotates the post rotation, then rotates the post and drive the carousel rotation to drive the movable column up-and-down motion through the movable rod, order about and deposit bucket up-and-down motion.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of another aspect of the present invention.
FIG. 3 is a schematic view of the present invention after the storage bucket has entered the sampling bucket.
Fig. 4 is a partial perspective view of the present invention.
Fig. 5 is a schematic perspective view of a ring body according to the present invention.
Fig. 6 is a perspective view illustrating a storage tub according to the present invention.
FIG. 7 is a schematic view of a push cleaning mechanism of the present invention.
Fig. 8 is a schematic view of an infusion mechanism in accordance with the present invention.
FIG. 9 is a schematic view of a drainage mechanism of the present invention.
Fig. 10 is a schematic view of a closure mechanism according to the present invention.
Fig. 11 is a schematic sectional view of the sleeve of the present invention.
In the figure, 1, a sampling bucket; 2. a support leg; 3. a transverse plate; 4. a first hydraulic lever; 5. a connecting plate; 6. an upper plate; 7. a drive mechanism; 71. a drive motor; 72. a first bevel gear; 73. a second bevel gear; 74. a mounting table; 8. a support plate; 9. rotating the column; 10. A turntable; 11. a movable rod; 12. a sliding sleeve; 13. a movable post; 14. a storage bucket; 15. A sealing door; 16. an article taking opening; 17. a leak hole; 18. a closure mechanism; 181. a sleeve; 182. A compression spring; 183. positioning pins; 184. a connecting rod; 185. a vertical groove; 186. a grip; 187. positioning a plate; 188. positioning holes; 19. a vertical rod; 20. a ring body; 21. filtering with a screen; 22. a transfusion mechanism; 221. a first water pump; 222. a communicating pipe; 223. a transfusion tube; 23. a liquid discharge mechanism; 231. an electromagnetic valve; 232. a liquid discharge pipe; 233. a second water pump; 234. A connecting pipe; 235. a liquid outlet nozzle; 24. pushing the cleaning mechanism; 241. a support table; 242. A support block; 243. a second hydraulic rod; 244. moving the plate; 245. a cleaning brush; 25. A support frame; 26. connecting blocks; 27. and a through hole.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in figures 1-11, the sample sampling device for detecting pesticide residue in agricultural products comprises a sampling barrel 1 and a storage barrel 14, wherein both sides of the surface of the sampling barrel 1 are fixed with transverse plates 3, the top of the transverse plates 3 is fixed with a first hydraulic rod 4, an output shaft of the first hydraulic rod 4 is fixed with a connecting plate 5, an upper plate 6 is arranged above the sampling barrel 1, the upper plate 6 is fixed with the connecting plate 5, the top of the upper plate 6 is provided with a driving mechanism 7, both sides of the top of the upper plate 6 are fixed with supporting plates 8, a rotating column 9 is arranged above the upper plate 6, the rotating column 9 penetrates through the supporting plates 8 and is rotatably connected with the supporting plates, both ends of the rotating column 9 are fixed with rotating discs 10, the other side of the rotating discs 10 is rotatably connected with a movable rod 11, both sides of the top of the upper plate 6 are provided with sliding sleeves 12, both sides of the top of the storage barrel 14 are fixed with movable columns 13, the movable columns 13 are slidably connected with the inner walls of the sliding sleeves 12, the top end of the movable column 13 is hinged with the movable rod 11, the surface of the storage barrel 14 is provided with a fetching opening 16 in a penetrating way, the surface of the storage barrel 14 is hinged with a sealing door 15, the surfaces of the storage barrel 14 and the sealing door 15 are provided with a leakage hole 17 in a penetrating way, the surfaces of the storage barrel 14 and the sealing door 15 are provided with a sealing mechanism 18, two sides of the bottom of the upper plate 6 are both fixed with vertical rods 19, the bottom end of each vertical rod 19 is fixed with a ring body 20, the inner side of the ring body 20 is fixed with a filter screen 21, the periphery of the sampling barrel 1 is respectively provided with a transfusion mechanism 22, a liquid drainage mechanism 23 and a pushing and cleaning mechanism 24, the device can place agricultural products through the storage container, and completely immerse the storage container and the agricultural products in sampling water in the sampling process, so that the agricultural products are prevented from floating upwards and the storage container can move upwards and downwards to exert external force on the agricultural products, make agricultural product and sample water produce relative friction for the speed of breaking away from of pesticide promotes sample efficiency, and after the sample was ended, the device can filter sample solution moreover, avoids impurity to follow sample solution and inspects together, has solved in some current agricultural products that pesticide remains to detect and uses sampling device in the use, and partial agricultural product floats up in the surface of water easily, causes the sample problem abundant inadequately.
The pushing cleaning mechanism 24 includes a supporting table 241, a supporting block 242, a second hydraulic rod 243, a moving plate 244 and a cleaning brush 245, the supporting table 241 is fixed at the rear of the sampling barrel 1, the supporting block 242 is fixed at the top of the second hydraulic rod 243, the second hydraulic rod 243 is fixed above the supporting block 242, the moving plate 244 is fixed with an output shaft of the second hydraulic rod 243, and the cleaning brush 245 is arranged at the bottom of the moving plate 244.
The width of the moving plate 244 is smaller than the distance between the two side vertical rods 19, and the cleaning brush 245 is a soft brush, and in this embodiment, by limiting the width of the moving plate 244, it can avoid the moving plate 244 from touching the vertical rods 19 during the movement.
The bottom of propping up supporting bench 241 is fixed with support frame 25, and all be fixed with landing leg 2 around sampling bucket 1 surface, and the bottom of support frame 25 and the mutual parallel and level in bottom of landing leg 2, in this embodiment, through the setting of support frame 25 and landing leg 2, support frame 25 can carry out the auxiliary stay to propping up supporting bench 241, the stability of supporting bench 241, and landing leg 2 then can support sampling bucket 1.
The driving mechanism 7 includes a driving motor 71, a first bevel gear 72, a second bevel gear 73 and a mounting table 74, the mounting table 74 is fixed on the top of the upper plate 6, the driving motor 71 is fixed on the top of the mounting table 74, the first bevel gear 72 is fixed with an output shaft of the driving motor 71, the second bevel gear 73 is fixed on the surface of the rotating column 9, and the first bevel gear 72 and the second bevel gear 73 are meshed with each other, in this embodiment, through the arrangement of the driving motor 71, the first bevel gear 72, the second bevel gear 73 and the mounting table 74, the driving motor 71 is turned on, which drives the first bevel gear 72 to rotate, then the first bevel gear 72 drives the rotating column 9 to rotate through the second bevel gear 73, then the rotating column 9 drives the rotating disc 10 to rotate, and drives the movable column 13 to move up and down through the movable rod 11, so as to drive the storage barrel 14 to move up and down.
The closing mechanism 18 includes a sleeve 181, a compression spring 182, a positioning pin 183, a positioning plate 187 and a positioning hole 188, the sleeve 181 is fixed on the surface of the storage barrel 14, one end of the compression spring 182 is fixed on the inner wall of the positioning pin 183, the other end of the compression spring 182 is fixed on the positioning pin 183, the positioning pin 183 is slidably connected with the inner wall of the sleeve 181, the positioning plate 187 is fixed on the surface of the sealing door 15, and the positioning hole 188 penetrates through the surface of the positioning plate 187.
The surface of the sleeve 181 is provided with a vertical groove 185 in a penetrating manner, one side of the positioning pin 183 is fixed with a connecting rod 184, the connecting rod 184 is connected with the inner wall of the vertical groove 185 in a sliding manner, and the other end of the connecting rod 184 is fixed with a handle 186.
The surface of the storage barrel 14 side is fixed with the connecting block 26 below the sleeve 181, the through hole 27 is formed in the surface of the connecting block 26 in a penetrating manner, in the embodiment, through the arrangement of the connecting block 26 and the through hole 27, after the sealing door 15 is fixed, the positioning pin 183 can penetrate through the positioning hole 188 to enter the through hole 27, so that the lower end of the positioning pin 183 is positioned in an auxiliary manner, and the fixing stability of the positioning pin 183 is improved.
The liquid discharging mechanism 23 comprises an electromagnetic valve 231, a liquid discharging pipe 232, a second water pump 233, a connecting pipe 234 and a liquid outlet 235, wherein the electromagnetic valve 231 is communicated with the bottom end of the sampling barrel 1, one end of the liquid discharging pipe 232 is communicated with the electromagnetic valve 231, the other end of the liquid discharging pipe 232 is communicated with the inlet of the second water pump 233, one end of the connecting pipe 234 is communicated with the outlet of the second water pump 233, and the liquid outlet 235 is communicated with the other end of the connecting pipe 234, in the embodiment, through the arrangement of the electromagnetic valve 231, the liquid discharging pipe 232, the second water pump 233, the connecting pipe 234 and the liquid outlet 235, after sampling is finished, the second water pump 233 and the electromagnetic valve 231 are opened, so that sample solution in the sampling barrel 1 passes through the electromagnetic valve 231, the liquid discharging pipe 232, the second water pump 233 and the connecting pipe 234, and then the sample solution is discharged from the liquid outlet 235, and a container is arranged below the liquid outlet 235, so that the sample solution can be collected.
The working principle of the invention is as follows: firstly, the first hydraulic rod 4 is opened to lift the upper plate 6 and the storage barrel 14 to high positions, then the positioning pin 183 is pulled upwards through the handle 186 to release the fixation of the sealing door 15, the sealing door 15 is opened, then the agricultural products to be tested are placed in the storage barrel 14, then the sealing door 15 is closed and fixed, meanwhile, the first hydraulic rod 4 is opened to drive the upper plate 6 to move downwards, then the upper plate 6 drives the storage barrel 14 and the ring body 20 to enter the interior of the sampling barrel 1, after the upper plate 6 seals the top of the sampling barrel 1, the first hydraulic rod 4 is stopped, then the first water pump 221 is opened to convey sampling water to the interior of the sampling barrel 1, after the water level of the sampling water is higher than the storage barrel 14 for a certain distance, the water supply is stopped, at the moment, the sampling water can enter the storage barrel 14 through the leakage hole 17, the agricultural products are completely soaked in the water, under the action of the storage barrel 14, the agricultural products are limited in the inner part, the agricultural products are prevented from floating upwards, then the driving motor 71 is started, the driving motor drives the rotating column 9 to rotate through the first bevel gear 72 and the second bevel gear 73, then the rotating column 9 drives the rotating disc 10 to rotate, then the rotating disc 10 drives the upper end of the movable rod 11 to do circular motion, next the movable column 13 is driven by the movable rod 11 to do up-and-down reciprocating motion, the movable column 13 slides up and down on the inner wall of the sliding sleeve 12 and drives the storage barrel 14 to do up-and-down reciprocating motion, so that the agricultural products in the storage barrel 14 move up and down in the water and generate relative friction with sampling water, the separation of pesticides from the surfaces of the agricultural products is facilitated, the speed of the pesticides dissolved in the water is accelerated, the agricultural products are completely soaked in the water, dead angles in the sampling process are reduced, and after sampling is finished, the surfaces of the agricultural products are easy to become sample solution in the water, and then, the second water pump 233 is started to discharge the sample solution, impurities in the sample solution are intercepted by the filter screen 21 in the discharging process, the filter screen 21 is prevented from entering a subsequent collecting container, after sampling is finished, the first hydraulic rod 4 is started to enable the upper plate 6, the storage barrel 14 and the ring body 20 to ascend together, then the sealing door 15 is opened to take out agricultural products, then the second hydraulic rod 243 is started to enable the moving plate 244 to move, and the impurities on the surface of the filter screen 21 are cleaned through the cleaning brush 245 below the moving plate 244.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides an agricultural product pesticide residue detects uses sample sampling device, includes sampling bucket (1) and deposits bucket (14), its characterized in that, the both sides on sampling bucket (1) surface all are fixed with diaphragm (3), the top of diaphragm (3) is fixed with first hydraulic stem (4), the output shaft of first hydraulic stem (4) is fixed with connecting plate (5), the top of sampling bucket (1) is provided with upper plate (6), and upper plate (6) are fixed mutually with connecting plate (5), the top of upper plate (6) is provided with actuating mechanism (7), the both sides at upper plate (6) top all are fixed with backup pad (8), the top of upper plate (6) is provided with rotates post (9), and rotates post (9) and runs through backup pad (8) and is connected rather than the rotation, the both ends that rotate post (9) all are fixed with carousel (10), the opposite side of carousel (10) rotate and are connected with movable rod (11), the both sides at upper plate (6) top all run through and are provided with sliding sleeve (12), the both sides of depositing bucket (14) top all are fixed with movable rod (13) and are connected with the top of sliding sleeve (13), the movable post (13), the both sides of depositing bucket (13) and the inner wall (13) and the movable rod (13) of sliding sleeve (13) and the activity of the top of the activity post (13) is connected each other side of getting bucket (13), deposit that the surface of bucket (14) articulates there is sealing door (15), the surface of depositing bucket (14) and sealing door (15) all runs through and has seted up small opening (17), the surface of depositing bucket (14) and sealing door (15) is provided with closing mechanism (18), the both sides of upper plate (6) bottom all are fixed with montant (19), the bottom mounting of montant (19) has ring body (20), the inboard of ring body (20) is fixed with filter screen (21), the periphery of sampling bucket (1) is provided with infusion mechanism (22), drainage mechanism (23) and promotes clearance mechanism (24) respectively.
2. The agricultural product pesticide residue detection sample sampling device according to claim 1, wherein the pushing and cleaning mechanism (24) comprises a support table (241), a support block (242), a second hydraulic rod (243), a moving plate (244) and a cleaning brush (245), the support table (241) is fixed at the rear of the sampling barrel (1), the support block (242) is fixed at the top of the second hydraulic rod (243), the second hydraulic rod (243) is fixed above the support block (242), the moving plate (244) is fixed with an output shaft of the second hydraulic rod (243), and the cleaning brush (245) is arranged at the bottom of the moving plate (244).
3. The sampling device for agricultural product pesticide residue detection according to claim 2, characterized in that the width of the moving plate (244) is smaller than the distance between the vertical rods (19) at two sides, and the cleaning brush (245) is a soft brush.
4. The agricultural product pesticide residue detection sample sampling device of claim 2, characterized in that a support frame (25) is fixed at the bottom of the support platform (241), the support legs (2) are fixed on the periphery of the surface of the sampling barrel (1), and the bottom of the support frame (25) and the bottom of the support legs (2) are flush with each other.
5. The agricultural product pesticide residue detection sample sampling device according to claim 1, wherein the driving mechanism (7) comprises a driving motor (71), a first bevel gear (72), a second bevel gear (73) and a mounting platform (74), the mounting platform (74) is fixed on the top of the upper plate (6), the driving motor (71) is fixed on the top of the mounting platform (74), the first bevel gear (72) is fixed with an output shaft of the driving motor (71), the second bevel gear (73) is fixed on the surface of the rotating column (9), and the first bevel gear (72) and the second bevel gear (73) are meshed with each other.
6. The sampling device for agricultural product pesticide residue detection according to claim 1, wherein the closing mechanism (18) comprises a sleeve (181), a compression spring (182), a positioning pin (183), a positioning plate (187) and a positioning hole (188), the sleeve (181) is fixed on the surface of the storage barrel (14), one end of the compression spring (182) is fixed with the inner wall of the positioning pin (183), the other end of the compression spring (182) is fixed with the positioning pin (183), the positioning pin (183) is slidably connected with the inner wall of the sleeve (181), the positioning plate (187) is fixed on the surface of the sealing door (15), and the positioning hole (188) penetrates through the surface of the positioning plate (187).
7. The sampling device for detecting the pesticide residue on the agricultural products as claimed in claim 6, wherein a vertical groove (185) penetrates through the surface of the sleeve (181), a connecting rod (184) is fixed on one side of the positioning pin (183), the connecting rod (184) is connected with the inner wall of the vertical groove (185) in a sliding manner, and a handle (186) is fixed on the other end of the connecting rod (184).
8. The sampling device for detecting pesticide residues on agricultural products as claimed in claim 6, wherein a connecting block (26) is fixed on the surface of one side of the storage barrel (14) and below the sleeve (181), and a through hole (27) is formed in the surface of the connecting block (26) in a penetrating manner.
9. The agricultural product pesticide residue detection sample sampling device according to claim 1, wherein the liquid conveying mechanism (22) comprises a first water pump (221), a communication pipe (222) and a liquid conveying pipe (223), one end of the liquid conveying pipe (223) is communicated with an inlet of the first water pump (221), one end of the communication pipe (222) is communicated with an outlet of the first water pump (221), and the other end of the communication pipe (222) is communicated with the sampling barrel (1).
10. The sampling device for agricultural product pesticide residue detection according to claim 1, wherein the liquid discharge mechanism (23) comprises an electromagnetic valve (231), a liquid discharge pipe (232), a second water pump (233), a connecting pipe (234) and a liquid outlet nozzle (235), the electromagnetic valve (231) is communicated with the bottom end of the sampling barrel (1), one end of the liquid discharge pipe (232) is communicated with the electromagnetic valve (231), the other end of the liquid discharge pipe (232) is communicated with the inlet of the second water pump (233), one end of the connecting pipe (234) is communicated with the outlet of the second water pump (233), and the liquid outlet nozzle (235) is communicated with the other end of the connecting pipe (234).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210842540.9A CN115266284A (en) | 2022-07-18 | 2022-07-18 | Agricultural product pesticide residue detects uses sample sampling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210842540.9A CN115266284A (en) | 2022-07-18 | 2022-07-18 | Agricultural product pesticide residue detects uses sample sampling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117091886A (en) * | 2023-10-20 | 2023-11-21 | 四川省绵阳生态环境监测中心站 | Mountain soil automatic sampling system |
| CN117250030A (en) * | 2023-11-14 | 2023-12-19 | 盱眙县综合检验检测中心 | Food pesticide residue detection method and detection device thereof |
| CN117368185A (en) * | 2023-10-08 | 2024-01-09 | 宁夏昊标检测服务研究院(有限公司) | Detection device and detection method for pesticide residues in agricultural products |
-
2022
- 2022-07-18 CN CN202210842540.9A patent/CN115266284A/en not_active Withdrawn
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117368185A (en) * | 2023-10-08 | 2024-01-09 | 宁夏昊标检测服务研究院(有限公司) | Detection device and detection method for pesticide residues in agricultural products |
| CN117368185B (en) * | 2023-10-08 | 2024-05-03 | 宁夏昊标检测服务研究院(有限公司) | Detection device and detection method for pesticide residues in agricultural products |
| CN117091886A (en) * | 2023-10-20 | 2023-11-21 | 四川省绵阳生态环境监测中心站 | Mountain soil automatic sampling system |
| CN117091886B (en) * | 2023-10-20 | 2024-01-02 | 四川省绵阳生态环境监测中心站 | Mountain soil automatic sampling system |
| CN117250030A (en) * | 2023-11-14 | 2023-12-19 | 盱眙县综合检验检测中心 | Food pesticide residue detection method and detection device thereof |
| CN117250030B (en) * | 2023-11-14 | 2024-01-26 | 盱眙县综合检验检测中心 | Food pesticide residue detection method and detection device thereof |
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Application publication date: 20221101 |