CN113358820A - Portable pesticide detecting instrument for agricultural products - Google Patents
Portable pesticide detecting instrument for agricultural products Download PDFInfo
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- CN113358820A CN113358820A CN202110582727.5A CN202110582727A CN113358820A CN 113358820 A CN113358820 A CN 113358820A CN 202110582727 A CN202110582727 A CN 202110582727A CN 113358820 A CN113358820 A CN 113358820A
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- detecting instrument
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- liquid
- pressure plate
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- 239000000575 pesticide Substances 0.000 title claims abstract description 53
- 238000000605 extraction Methods 0.000 claims abstract description 44
- 238000003756 stirring Methods 0.000 claims abstract description 40
- 239000007788 liquid Substances 0.000 claims description 59
- 230000002093 peripheral effect Effects 0.000 claims description 23
- 239000002699 waste material Substances 0.000 claims description 15
- 238000005070 sampling Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 abstract description 27
- 239000003795 chemical substances by application Substances 0.000 abstract description 4
- 239000000047 product Substances 0.000 description 18
- 239000006228 supernatant Substances 0.000 description 10
- 239000000447 pesticide residue Substances 0.000 description 7
- 239000003905 agrochemical Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000002207 metabolite Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- 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
- G01N1/40—Concentrating samples
- G01N1/4055—Concentrating samples by solubility techniques
-
- 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
- G01N1/40—Concentrating samples
- G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids
-
- 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
- G01N1/40—Concentrating samples
- G01N1/4055—Concentrating samples by solubility techniques
- G01N2001/4061—Solvent extraction
-
- 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
- G01N1/40—Concentrating samples
- G01N1/4077—Concentrating samples by other techniques involving separation of suspended solids
- G01N2001/4088—Concentrating samples by other techniques involving separation of suspended solids filtration
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Extraction Or Liquid Replacement (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a portable pesticide detection instrument for agricultural products, and relates to the technical field of pesticide detection. The device comprises a bottom plate, wherein a support is fixed on the upper surface of the bottom plate, a base is in sliding fit with the outer top of the support, an extraction cylinder is horizontally fixed on the upper surface of the base, a filter plate is rotatably connected between the inner walls of the extraction cylinder, two strip-shaped grooves are symmetrically formed in one surface of the filter plate, a first stirring rod is hinged to the inner end face of one strip-shaped groove, a pressure plate is in sliding fit with the inner walls of the extraction cylinder, two second stirring rods are symmetrically hinged to one surface of the pressure plate, and one end of each second stirring rod is hinged to one end of the corresponding first stirring rod. According to the invention, through the design of the extraction cylinder, the filter plate, the first stirring rod, the pressure plate and the threaded rod, the filter plate and the pressure plate crush the sample, so that the extraction of pesticide components in the sample is facilitated, the crushed sample and the extracting solution can be fully stirred and mixed, the extracting agent is enabled to dissolve and absorb the pesticide components in the sample, and the detection of the pesticide in the sample is facilitated.
Description
Technical Field
The invention belongs to the technical field of pesticide detection, and particularly relates to a portable pesticide detection instrument for agricultural products.
Background
The pesticide residue is a generic term for a pesticide parent, derivative, metabolite and impurity remaining in the environment, organism and food after the pesticide is used. An instrument capable of rapidly detecting pesticide residues is called a pesticide detection device. The harm of pesticide residue to human body is controlled, and one of the most effective methods is to enhance the detection strength of pesticide residue in agricultural products. The detection and analysis of the pesticide residues in the world at present develops towards multi-residue and rapid analysis, and the accuracy of a high-flux detection method needs to be ensured. Therefore, the detection of the pesticide content in the agricultural products is very important, and the agricultural products need to be crushed and filtered before detection so as to facilitate the extraction of pesticide components.
The existing pesticide detection instrument is inconvenient for crushing agricultural products, and is difficult to fully mix the crushed sample and the extractant, so that the efficiency of dissolving and absorbing the pesticide in the sample by the extractant is low, and the pesticide residue detection is inconvenient.
Disclosure of Invention
The invention aims to provide a portable pesticide detection instrument for agricultural products, which solves the problems that the existing pesticide detection instrument is inconvenient to crush the agricultural products, the crushed samples and an extractant are difficult to be fully mixed, the efficiency of dissolving and absorbing the pesticide in the samples by the extractant is low, and the detection of pesticide residue is inconvenient through the design of an extraction cylinder, a filter plate, a first stirring rod, a pressure plate and a threaded rod.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a portable pesticide detection instrument for agricultural products, which comprises a bottom plate;
a support is fixed on the upper surface of the bottom plate, a base is slidably matched with the top of the support, an extraction cylinder is horizontally fixed on the upper surface of the base, a filter plate is rotatably connected between the inner walls of the extraction cylinder, two strip-shaped grooves are symmetrically formed in one surface of the filter plate, and a first stirring rod is hinged to the inner end surface of one strip-shaped groove;
a pressure plate is matched between the inner walls of the extraction barrels in a sliding manner, two second stirring rods are symmetrically hinged to one surface of the pressure plate, and one end of each second stirring rod is hinged to one end of each first stirring rod;
a shaft lever is fixedly connected to one surface of the pressure plate, one end of the shaft lever penetrates through the middle position of the filter plate, and limiting strips are fixedly connected to the peripheral side surface of the shaft lever;
and a connecting rod is fixed on the other surface of the pressure plate, and one end of the connecting rod penetrates through the outer side of the end face of the extraction cylinder.
Furthermore, a liquid outlet pipe is arranged at the bottom of the extraction cylinder, a sliding hole is formed in the upper surface of the support, and one end of the liquid outlet pipe penetrates through the base and is in sliding fit with the inner wall of the sliding hole.
Furthermore, a vertical plate is fixed on the upper surface of the support, a driving motor is fixedly installed on one side face of the vertical plate, and one end of an output shaft of the driving motor is fixedly connected with one end of a connecting rod.
Furthermore, a side face of the vertical plate is symmetrically and rotatably connected with two threaded rods, one end of each threaded rod penetrates through the side face of the base, a side plate is fixed on the upper surface of the support, one end of each threaded rod is rotatably connected with one side face of the corresponding side plate, two stepping motors are symmetrically installed on the other side face of each side plate, and one end of an output shaft of each stepping motor is fixedly connected with one end of each threaded rod.
Furthermore, a liquid receiving box is fixed at the top in the support, and the opening end of the liquid receiving box is matched with the sliding hole.
Furthermore, the upper surface of the bottom plate is rotatably connected with a centrifugal cylinder, a liquid leakage pipe is fixed at the bottom of the liquid receiving box, and the lower port of the liquid leakage pipe is rotatably communicated with the top of the centrifugal cylinder.
Furthermore, two liquid taking pipes are symmetrically arranged on the peripheral side of the centrifugal cylinder, two waste liquid pipes are symmetrically arranged on the peripheral side of the centrifugal cylinder, and valves are arranged on the peripheral side of the liquid leakage pipe, the peripheral side of the liquid taking pipe and the peripheral side of the waste liquid pipe.
Further, the fixed surface installs the rotating electrical machines under the bottom plate, rotating electrical machines output shaft one end and centrifuge tube bottom fixed connection, surface mounting has pesticide detecting instrument on the bottom plate, a plurality of sampling barrels have been placed to pesticide detecting instrument side.
Further, a feed inlet and a waste gate are respectively arranged on the peripheral side face of the extraction cylinder, and the feed inlet and the waste gate are both located between the filter plate and the pressure plate.
Furthermore, the bottom plate lower surface is fixedly provided with a supporting leg, and the lower end of the supporting leg is provided with a roller.
The invention has the following beneficial effects:
1. according to the invention, through the design of the extraction cylinder, the filter plate, the first stirring rod, the pressure plate and the threaded rod, the threaded rod drives the extraction cylinder to horizontally move leftwards along the peripheral side surface of the connecting rod through the base, so that the first stirring rod and the second stirring rod are folded into the strip-shaped groove of the filter plate, the filter plate can be attached to and contacted with the pressure plate, the sample is crushed by the filter plate and the pressure plate, the extraction of pesticide components in the sample is facilitated, the drive motor drives the pressure plate to rotate through the connecting rod, the pressure plate drives the first stirring rod and the second stirring rod to rotate to fully stir and mix the crushed sample and the extracting solution, the extracting agent is enabled to dissolve and absorb pesticide components in the sample, and the detection of the pesticide in the sample is facilitated.
2. According to the invention, through the design of the extraction cylinder, the liquid outlet pipe, the slide hole, the liquid receiving box and the centrifugal cylinder, the mixed sample extracting solution flows down into the liquid receiving box from the liquid outlet pipe, the sample extracting solution in the liquid receiving box flows down into the centrifugal cylinder from the liquid leakage pipe, then the rotating motor drives the centrifugal cylinder to rotate, so that the supernatant of the sample extracting solution is positioned above the centrifugal cylinder, then the supernatant of the sample extracting solution is taken out through the liquid taking pipe to be tested, the supernatant of the sample extracting solution is conveniently taken out, and the pesticide detection efficiency of agricultural products is improved.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a portable agricultural chemical detection apparatus;
FIG. 2 is a schematic diagram of the right view structure of the present invention;
FIG. 3 is a structural elevation view of the present invention;
FIG. 4 is a schematic cross-sectional view of the base and the liquid-receiving cassette;
FIG. 5 is a schematic view of the interior of the extraction cartridge;
fig. 6 is a schematic diagram of the right view angle of fig. 5.
In the drawings, the components represented by the respective reference numerals are listed below:
1-bottom plate, 101-bracket, 102-base, 103-extraction cylinder, 104-filter plate, 105-strip-shaped groove, 106-first stirring rod, 107-pressure plate, 108-second stirring rod, 109-shaft rod, 110-connecting rod, 111-liquid outlet pipe, 112-slide hole, 113-vertical plate, 114-driving motor, 115-threaded rod, 116-side plate, 117-stepping motor, 118-liquid receiving box, 119-centrifugal cylinder, 120-liquid leakage pipe, 121-liquid taking pipe, 122-waste liquid pipe, 123-rotating motor, 124-pesticide detection instrument, 125-sampling cylinder, 126-feed inlet, 127-waste gate and 128-supporting leg.
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. 1-6, the present invention is a portable agricultural product pesticide detecting apparatus, including a base plate 1; a support 101 is fixed on the upper surface of the bottom plate 1, a base 102 is slidably matched with the top of the support 101, an extraction cylinder 103 is horizontally fixed on the upper surface of the base 102, a filter plate 104 is rotatably connected between the inner walls of the extraction cylinder 103, two strip-shaped grooves 105 are symmetrically formed in one surface of the filter plate 104, a first stirring rod 106 is hinged to the inner end surface of one strip-shaped groove 105, a pressure plate 107 is slidably matched between the inner walls of the extraction cylinder 103, two second stirring rods 108 are symmetrically hinged to one surface of the pressure plate 107, one end of each second stirring rod 108 is hinged to one end of each first stirring rod 106, so that the first stirring rod 106 and the second stirring rod 108 can be folded and retracted into the strip-shaped groove 105 of the filter plate 104, the filter plate 104 can be attached to and contacted with the pressure plate 107, an agricultural product sample is crushed, and the extraction of agricultural chemicals in the sample is facilitated;
as shown in fig. 5-6, a shaft 109 is fixedly connected to one surface of the pressure plate 107, one end of the shaft 109 penetrates through the middle of the filter plate 104, and a limit strip is fixedly connected to the circumferential surface of the shaft 109, so that the pressure plate 107 can drive the filter plate 104 to rotate through the shaft 109;
as shown in fig. 1 and fig. 5-6, a connecting rod 110 is fixed on the other surface of the pressure plate 107, one end of the connecting rod 110 penetrates to the outer side of the end surface of the extraction cylinder 103, a vertical plate 113 is fixed on the upper surface of the support 101, a driving motor 114 is fixedly installed on one side surface of the vertical plate 113, one end of an output shaft of the driving motor 114 is fixedly connected with one end of the connecting rod 110, the driving motor 114 drives the pressure plate 107 to rotate through the connecting rod 110, the pressure plate 107 drives the filter plate 104 to rotate through the shaft rod 109 and the limiting strip, and simultaneously, the pressure plate 107 drives the first stirring rod 106 and the second stirring rod 108 to rotate to fully stir and mix the crushed sample and the extracting solution, so that the extracting agent is dissolved and absorbed in the pesticide component in the sample, thereby facilitating the detection of the pesticide in the sample;
as shown in fig. 2-5, two threaded rods 115 are symmetrically and rotatably connected to one side of the vertical plate 113, one end of each threaded rod 115 penetrates through the side of the base 102, a side plate 116 is fixed to the upper surface of the support 101, one end of each threaded rod 115 is rotatably connected to one side of the side plate 116, two stepping motors 117 are symmetrically installed on the other side of the side plate 116, one end of an output shaft of each stepping motor 117 is fixedly connected to one end of each threaded rod 115, and each stepping motor 117 drives the threaded rod 115 to rotate, so that the threaded rods 115 drive the extraction cylinder 103 to horizontally move left along the peripheral side of the connecting rod 110 through the base 102, the distance between the filter plate 104 and the pressure plate 107 is shortened, the first stirring rod 106 and the second stirring rod 108 are folded into the strip-shaped grooves 105 of the filter plate 104, and the pressure plate 107 can be attached to each other and contacted, and the filter plate 104 and the pressure plate 107 crush the sample, thereby facilitating the extraction of the pesticide component in the sample.
As shown in fig. 3-4, a liquid outlet pipe 111 is disposed at the bottom of the extraction cylinder 103, a slide hole 112 is disposed on the upper surface of the support 101, and one end of the liquid outlet pipe 111 penetrates through the base 102 and is in sliding fit with the inner wall of the slide hole 112, so that the extraction cylinder 103 can drive the liquid outlet pipe 111 to move along the inner wall of the slide hole 112 in the process of horizontal movement of the extraction cylinder 103, thereby ensuring that the extraction cylinder 103 can move, and in the process of movement of the extraction cylinder 103, the base 102 always covers the slide hole 112, and preventing the sample extracting solution from flowing out from the upper side of the slide hole 112.
As shown in fig. 3-4, a liquid receiving box 118 is fixed at the top inside the bracket 101, and the open end of the liquid receiving box 118 is matched with the slide hole 112 to prevent the sample extracting solution from leaking from the lower part of the slide hole 112.
As shown in fig. 3-4, a centrifuge tube 119 is rotatably connected to the upper surface of the bottom plate 1, a weeping tube 120 is fixed to the bottom of the liquid receiving box 118, the lower port of the weeping tube 120 is rotatably connected to the top of the centrifuge tube 119, two liquid taking tubes 121 are symmetrically disposed on the peripheral surface of the centrifuge tube 119, two waste liquid tubes 122 are symmetrically disposed on the peripheral surface of the centrifuge tube 119, valves are disposed on the peripheral surface of the weeping tube 120, the peripheral surface of the liquid taking tubes 121, and the peripheral surface of the waste liquid tubes 122, a rotary motor 123 is fixedly mounted on the lower surface of the bottom plate 1, one end of the output shaft of the rotary motor 123 is fixedly connected to the bottom of the centrifuge tube 119, the mixed sample extracting solution flows down from the liquid outlet tube 111 to the liquid receiving box 118, the valve of the liquid leaking tube 120 is opened, the sample extracting solution in the liquid receiving box 118 flows down from the weeping tube 120 to the centrifuge tube 119, then the centrifuge tube 119 is driven by the rotary motor 123, and the supernatant of the sample extracting solution is located above the centrifuge tube 119, then the valve of the liquid taking pipe 121 is opened to take out the supernatant of the sample extracting solution to be tested, the supernatant of the sample extracting solution is conveniently taken out, and the pesticide detection efficiency of agricultural products is improved.
Wherein as shown in fig. 1, surface mounting has pesticide detecting instrument 124 on the bottom plate 1, and the structure and the function of pesticide detecting instrument 124 all are prior art, no longer give consideration to, and a plurality of sampling barrels 125 have been placed to pesticide detecting instrument 124 side, and sampling barrel 125 receives the supernatant of the sample extract that flows from liquid intaking pipe 121, then puts into pesticide detecting instrument 124 with sampling barrel 125 and carries out the pesticide detection.
As shown in FIG. 1-2, the peripheral side of the extraction cylinder 103 is respectively provided with a feed inlet 126 and a waste gate 127, the feed inlet 126 and the waste gate 127 are both positioned between the filter plate 104 and the pressure plate 107, the agricultural product sample and the extracting solution are fed into the extraction cylinder 103 through the feed inlet 126, and crushed agricultural product slag is discharged from the waste gate 127.
Wherein, as shown in fig. 1, the bottom surface of the bottom plate 1 is fixedly provided with a supporting leg 128, and the lower end of the supporting leg 128 is provided with a roller, so that the pesticide detection instrument can move conveniently and is convenient to carry.
The driving motor 114, the stepping motor 117 and the rotating motor 123 are electrically connected with the existing PLC controller through wires, and all power consumption is provided by an external power supply.
The working principle of the embodiment is as follows: when the device is used, an agricultural product sample and an extracting solution are put into the extraction cylinder 103 from the feed inlet 126, the liquid level reaches half of the horizontal height of the extraction cylinder 103, the step motor 117 drives the threaded rod 115 to rotate, the threaded rod 115 drives the extraction cylinder 103 to horizontally move leftwards along the peripheral side of the connecting rod 110 through the base 102, the distance between the filter plate 104 and the pressure plate 107 is shortened, the first stirring rod 106 and the second stirring rod 108 are folded and retracted into the strip-shaped groove 105 of the filter plate 104, the filter plate 104 and the pressure plate 107 can be in contact with each other, the filter plate 104 and the pressure plate 107 crush the sample, the extraction of the agricultural chemical component in the sample is facilitated, then the step motor 117 drives the extraction cylinder 103 to horizontally move rightwards through the threaded rod 115, the first stirring rod 106 and the second stirring rod 108 are folded and unfolded, then the driving motor 114 drives the pressure plate 107 to rotate through the connecting rod 110, the pressure plate 107, meanwhile, the pressure plate 107 drives the first stirring rod 106 and the second stirring rod 108 to rotate to fully stir and mix the crushed sample and the extracting solution, so that the extracting agent is dissolved and absorbs pesticide components in the sample, the sample pesticide detection is facilitated, the mixed sample extracting solution flows down into the liquid receiving box 118 from the liquid outlet pipe 111, a valve of the liquid leakage pipe 120 is opened, the sample extracting solution in the liquid receiving box 118 flows down into the centrifugal cylinder 119 from the liquid leakage pipe 120, then the centrifugal cylinder 119 is driven to rotate by the rotating motor 123, the supernatant of the sample extracting solution is located above the centrifugal cylinder 119, then the valve of the liquid taking pipe 121 is opened to take out the supernatant of the sample extracting solution to be detected, the supernatant of the sample extracting solution is conveniently taken out, and the pesticide detection efficiency of agricultural products is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A portable pesticide detecting instrument for agricultural products comprises a bottom plate (1); the method is characterized in that:
a support (101) is fixed on the upper surface of the bottom plate (1), a base (102) is slidably matched with the outer top of the support (101), an extraction cylinder (103) is horizontally fixed on the upper surface of the base (102), a filter plate (104) is rotatably connected between the inner walls of the extraction cylinder (103), two strip-shaped grooves (105) are symmetrically formed in one surface of the filter plate (104), and a first stirring rod (106) is hinged to the inner end surface of one strip-shaped groove (105);
a pressure plate (107) is arranged between the inner walls of the extraction cylinder (103) in a sliding fit manner, two second stirring rods (108) are symmetrically hinged to one surface of the pressure plate (107), and one ends of the second stirring rods (108) are hinged to one end of the first stirring rod (106);
a shaft lever (109) is fixedly connected to one surface of the pressure plate (107), one end of the shaft lever (109) penetrates through the middle position of the filter plate (104), and a limiting strip is fixedly connected to the peripheral side surface of the shaft lever (109);
and a connecting rod (110) is fixed on the other surface of the pressure plate (107), and one end of the connecting rod (110) penetrates through the outer side of the end surface of the extraction cylinder (103).
2. The portable agricultural product pesticide detecting instrument of claim 1, wherein a liquid outlet pipe (111) is formed at the bottom of the extraction cylinder (103), a slide hole (112) is formed in the upper surface of the support (101), and one end of the liquid outlet pipe (111) penetrates through the base (102) and is in sliding fit with the inner wall of the slide hole (112).
3. The portable agricultural product pesticide detecting instrument of claim 1, wherein a vertical plate (113) is fixed on the upper surface of the bracket (101), a driving motor (114) is fixedly installed on one side surface of the vertical plate (113), and one end of an output shaft of the driving motor (114) is fixedly connected with one end of the connecting rod (110).
4. The portable pesticide detecting instrument for agricultural products as claimed in claim 3, wherein two threaded rods (115) are symmetrically and rotatably connected to one side of the vertical plate (113), one end of each threaded rod (115) penetrates through the side of the base (102), a side plate (116) is fixed to the upper surface of the support (101), one end of each threaded rod (115) is rotatably connected to one side of the corresponding side plate (116), two stepping motors (117) are symmetrically installed on the other side of the corresponding side plate (116), and one end of an output shaft of each stepping motor (117) is fixedly connected to one end of each threaded rod (115).
5. The portable agricultural product pesticide detecting instrument according to claim 2, wherein a liquid receiving box (118) is fixed at the inner top of the bracket (101), and the open end of the liquid receiving box (118) is matched with the sliding hole (112).
6. The portable pesticide detecting instrument for agricultural products as claimed in claim 5, wherein a centrifugal cylinder (119) is rotatably connected to the upper surface of the bottom plate (1), a liquid leaking pipe (120) is fixed to the bottom of the liquid receiving box (118), and the lower port of the liquid leaking pipe (120) is rotatably communicated with the top of the centrifugal cylinder (119).
7. The portable agricultural product pesticide detecting apparatus according to claim 6, wherein two liquid taking pipes (121) are symmetrically arranged on the peripheral side of the centrifugal cylinder (119), two waste liquid pipes (122) are symmetrically arranged on the peripheral side of the centrifugal cylinder (119), and valves are arranged on the peripheral side of the liquid leaking pipe (120), the peripheral side of the liquid taking pipe (121) and the peripheral side of the waste liquid pipe (122).
8. The portable agricultural product pesticide detecting instrument of claim 6, wherein a rotating motor (123) is fixedly installed on the lower surface of the bottom plate (1), one end of an output shaft of the rotating motor (123) is fixedly connected with the bottom of the centrifugal cylinder (119), a pesticide detecting instrument (124) is installed on the upper surface of the bottom plate (1), and a plurality of sampling cylinders (125) are placed on the side surfaces of the pesticide detecting instrument (124).
9. The portable agricultural product pesticide detecting instrument of claim 1, wherein the extraction cylinder (103) is provided with a feed inlet (126) and a waste gate (127) on the peripheral side, and the feed inlet (126) and the waste gate (127) are both arranged between the filter plate (104) and the pressure plate (107).
10. The portable agricultural product pesticide detecting instrument of claim 1, wherein a support leg (128) is fixedly arranged on the lower surface of the bottom plate (1), and a roller is arranged at the lower end of the support leg (128).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110582727.5A CN113358820A (en) | 2021-05-27 | 2021-05-27 | Portable pesticide detecting instrument for agricultural products |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110582727.5A CN113358820A (en) | 2021-05-27 | 2021-05-27 | Portable pesticide detecting instrument for agricultural products |
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| CN113358820A true CN113358820A (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110582727.5A Pending CN113358820A (en) | 2021-05-27 | 2021-05-27 | Portable pesticide detecting instrument for agricultural products |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114923105A (en) * | 2022-05-20 | 2022-08-19 | 重庆海装风电工程技术有限公司 | Centralized lubricating pump |
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Application publication date: 20210907 |