CN113391041A

CN113391041A - Agricultural product pesticide residue detecting instrument

Info

Publication number: CN113391041A
Application number: CN202110566711.5A
Authority: CN
Inventors: 朱龙有
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-24
Filing date: 2021-05-24
Publication date: 2021-09-14

Abstract

The invention belongs to the technical field of agricultural product detection, in particular to an agricultural product pesticide residue detection instrument, and provides a scheme for solving the problem of long detection time of the existing detection instrument. According to the agricultural product stirring device, the positioning plate drives the inner box to move back and forth, the cam impacts the bottom of the inner box and the inner box shakes up and down under the cooperation of the first spring, so that the agricultural product stirring efficiency is improved, and the detection period is shortened.

Description

Agricultural product pesticide residue detecting instrument

Technical Field

The invention relates to the technical field of agricultural product detection, in particular to an agricultural product pesticide residue detection instrument.

Background

The pesticide residue is a general term for trace pesticide protomer, toxic metabolite, degradation product and impurity which are not decomposed and remain in organism, harvest, soil pesticide residue soil, water body and atmosphere after the pesticide is used, and the pesticide applied to the crops has a part of the pesticide attached to the crops and a part of the pesticide scattered in the environment such as soil, atmosphere and water, and a part of the pesticide remaining in the environment is absorbed by the plants. The residual pesticide can directly reach the human body and the livestock body through plant fruits or water and atmosphere, or can be finally transferred to the human body and the livestock through the environment and a food chain.

The agricultural products need to be subjected to pesticide residue detection before sale, the pesticide residue detection method comprises a chemical rapid detection method, an immunoassay method, an enzyme inhibition method, a living body detection method and the like, the chemical rapid detection method is mainly used for rapidly detecting organic phosphorus according to the effect of a detection liquid and mainly comprises the steps of changing color of a hydrolysate according to an oxidation-reduction reaction, generally putting the agricultural products and a detection agent into a detection box, stirring and crushing the agricultural products through a stirring mechanism to accelerate the pesticide reaction on the detection agent and the agricultural products, but the existing stirring mechanism is low in stirring efficiency, so that the whole detection time is long, and therefore, corresponding improvement is made for the problem.

Disclosure of Invention

Based on the technical problem of long detection time of the existing detection instrument, the invention provides a pesticide residue detection instrument for agricultural products.

The agricultural product pesticide residue detection instrument comprises an outer box, wherein the top of the outer box is rotatably connected with a box cover through a hinge, two feeding hoppers are fixedly penetrated through the top of the box cover, a detector is fixedly penetrated through one side of the outer box, first sliding grooves are formed in the inner walls of the two sides of the outer box, first sliding blocks are connected in the first sliding grooves in a sliding mode, the same first spring is fixed between the first sliding blocks and the inner walls of the first sliding grooves through bolts, sliding plates are fixed on the inner sides of the first sliding blocks through bolts, second sliding grooves are formed in the inner sides of the sliding plates, second sliding blocks are connected in the second sliding grooves in a sliding mode, the same inner box is fixed between the two second sliding blocks through bolts, and a driving.

Preferably, actuating mechanism rotates through the bearing between the inner wall of outer container both ends and is connected with same lead screw, and the cover is established and is fixed with a plurality of evenly distributed's cam on the lead screw, runs through threaded connection on the lead screw and has two locating plates, and the locating plate sets up in the inner box both ends, and outer container one end is fixed with the motor through the bolt, fixed connection between motor output shaft and the lead screw, is provided with stop gear in the outer container, is provided with rabbling mechanism in the inner box.

Preferably, a second liquid outlet pipe penetrates through and is fixed to the bottom of the inner wall of the outer box, a first liquid outlet pipe penetrates through and is fixed to the bottom of the inner wall of the inner box, and electromagnetic valves are fixed to the second liquid outlet pipe and the first liquid outlet pipe through bolts.

Preferably, the limiting mechanism is provided with positioning grooves on the inner walls of the two sides of the outer box, two sliding rods are connected in the positioning grooves in a sliding mode, and the two sliding rods are fixedly connected with the positioning plate through bolts.

Preferably, rabbling mechanism overlaps on the motor output shaft and is established and be fixed with first band pulley, and the outer container is close to motor one end and runs through and be connected with the straight axle through the bearing rotation, and inner box one end runs through and has seted up the expansion mouth, and the straight axle rear end extends to the inner box in through the expansion mouth, and the cover is established and is fixed with the second band pulley on the straight axle, and the cover is equipped with same belt between second band pulley and the first band pulley, and the straight axle both sides all are connected with a plurality of stirring rakes through the bearing rotation.

Preferably, the stirring paddle is provided with an expansion part, and the expansion part is filled with a foam layer.

Preferably, the mounting opening has been run through to the outer container rear end, and the mounting opening has the closing plate through the bolt fastening, and the third spout has all been seted up to the outer container both sides, and sliding connection has the third slider in the third spout, has same second spring through the bolt fastening between third slider and the third spout inner wall, and the third slider inboard has the mounting panel through the bolt fastening, and the mounting groove has been seted up to the mounting panel inboard, and two mounting groove interpolation have same filter.

Preferably, the plurality of cams are sized to have two large sides and a small middle, and the second slider and the inner case are rotatably coupled by a bearing.

Preferably, the inner wall of one side of the inner box, which is far away from the motor, is provided with a ring groove, a moving block is connected in the ring groove in a sliding manner, the inner side of the moving block is fixedly provided with a heart-shaped impact block through a bolt, the bottom of the inner wall of the ring groove is fixedly provided with a fixed block through a bolt, a same impact spring is fixedly arranged between the fixed block and the moving block through a bolt, and the ring groove and the inner box have an included angle of 20 degrees in the vertical direction.

Compared with the prior art, the invention provides an agricultural product pesticide residue detection instrument, which has the following beneficial effects:

1. the agricultural product pesticide residue detection instrument comprises a positioning plate, agricultural products and a pesticide are respectively put into an inner box from two feed hoppers, the periodic positive and negative rotation of a motor is controlled by a controller, the motor drives a lead screw to rotate, under the action of thread fit, the two positioning plates reciprocate back and forth, so that the inner box is driven to follow a second sliding block, the inner box reciprocates back and forth along a second sliding groove, meanwhile, a sliding rod reciprocates back and forth along a positioning groove to limit the positioning plate, meanwhile, the lead screw drives a plurality of cams to rotate, the cams impact the bottom of the inner box, and under the cooperation of a first spring, the inner box follows the second sliding block, the sliding plate and the first sliding block to shake up and down along the first sliding groove, so that the agricultural products in the inner box are fully contacted with a stirring paddle, the stirring area is increased, the stirring efficiency of the agricultural products is increased, and the reaction efficiency is increased, thereby reduce the detection cycle, the motor drives first band pulley and rotates simultaneously, drives straight shaft and a plurality of stirring rake through belt and second band pulley and rotates then, stirs agricultural product, and the stirring reaction finishes the back, and solution flows to the filter from first play liquid duct.

2. This agricultural product pesticide residue detecting instrument, through setting up the filter, the rotation of cam can discontinuity collision filter to under the effect of second spring, make the filter follow mounting panel and third slider together, shake from top to bottom along the third spout, thereby improve the filter effect, in the filtrating advances the outer container, the detector detects and shows the testing result to filtrating, opens the closing plate, can take the filter out from the mounting groove, can conveniently clear up the filter residue.

3. This agricultural product pesticide residue detecting instrument, through setting up the cam, the size of a plurality of cams sets to the big centre in both sides is little, and rotates through bearing between second slider and the inner box and connect, can be so that the inner box when horizontal direction round trip movement, the inner box can take place the periodicity to both sides slope for the solution of inner box can take place to rock, thereby further improves the device's stirring efficiency and detection efficiency.

4. This agricultural product pesticide residue detecting instrument, through setting up the striking piece, when the stirring rake bumps with the striking piece, the moving block is followed to the striking piece together, rotate along the annular, and compress the impact spring, because the annular has 20 contained angles with the inner box in vertical direction, when the striking piece rotates to below suitable position, the part that the striking piece spills the annular reduces gradually, stirring rake and striking piece break away from the contact, under the effect of impact spring, the striking piece resets to the initial position once more, thereby in this cycle, make the stirring rake carry out reciprocating motion in the home range, thereby further improve the stirring effect to agricultural product, thereby improve whole detection efficiency.

Drawings

FIG. 1 is a schematic view of the overall structure of an agricultural product pesticide residue detection instrument according to the present invention;

FIG. 2 is a schematic view of an inner box installation structure of an agricultural product pesticide residue detection instrument according to the present invention;

FIG. 3 is a schematic diagram of the internal structure of an outer box of the agricultural product pesticide residue detection instrument provided by the invention;

FIG. 4 is a schematic view of a cam mounting structure of an agricultural product pesticide residue detecting instrument according to the present invention;

FIG. 5 is a schematic view of a filter plate mounting structure of an agricultural product pesticide residue detecting apparatus according to the present invention;

FIG. 6 is an enlarged schematic structural view of the agricultural product pesticide residue detecting instrument at the position A;

fig. 7 is a schematic view of an internal structure of an inner box of an agricultural product pesticide residue detection instrument according to embodiment 2 of the present invention.

In the figure: 1. an outer box; 2. a box cover; 3. a feed hopper; 4. a first chute; 5. a first slider; 6. a first spring; 7. a slide plate; 8. a second chute; 9. a second slider; 10. an inner box; 11. a lead screw; 12. a cam; 13. positioning a groove; 14. a slide bar; 15. positioning a plate; 16. a motor; 17. a first pulley; 18. a straight shaft; 19. a second pulley; 20. a belt; 21. a movable opening; 22. a stirring paddle; 23. an expansion part; 24. a first liquid outlet pipe; 25. a second liquid outlet pipe; 26. a detector; 27. a sealing plate; 28. a third chute; 29. a third slider; 30. a second spring; 31. mounting a plate; 32. mounting grooves; 33. a filter plate; 34. a ring groove; 35. a moving block; 36. an impact block; 37. a strike spring; 38. and (5) fixing blocks.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-6, an agricultural product pesticide residue detection instrument comprises an outer box 1, the top of the outer box 1 is rotatably connected with a box cover 2 through a hinge, the top of the box cover 2 is fixedly penetrated with two feed hoppers 3, one side of the outer box 1 is fixedly penetrated with a detector 26, the agricultural product pesticide residue detection instrument is characterized in that the inner walls of the two sides of the outer box 1 are respectively provided with a first chute 4, the first chute 4 is connected with a first slide block 5 in a sliding way, the same first spring 6 is fixed between the first slide block 5 and the inner wall of the first chute 4 through a bolt, the inner side of the first slide block 5 is fixed with a slide plate 7 through a bolt, the inner side of the slide plate 7 is provided with a second chute 8, the second chute 8 is connected with a second slide block 9 in a sliding way, the same inner box 10 is fixed between the two second slide blocks 9 through a bolt, the outer box 1 is provided with a driving mechanism, namely, the driving screw rod 11 can be driven to rotate through the driving mechanism, under the action of thread fit, so that the two positioning plates 15 reciprocate back and forth, and the inner box 10 is driven to move back and forth along the second sliding chute 8 along with the second sliding block 9.

Furthermore, the driving mechanism is rotatably connected with the same screw rod 11 through a bearing between the inner walls of the two ends of the outer box 1, the screw rod 11 is sleeved and fixed with a plurality of uniformly distributed cams 12, the screw rod 11 is connected with two positioning plates 15 through threads, the positioning plates 15 are arranged at the two ends of the inner box 10, one end of the outer box 1 is fixed with a motor 16 through bolts, the output shaft of the motor 16 is fixedly connected with the screw rod 11, a controller is arranged in a detector 26, the controller is electrically connected with the motor 16, a limiting mechanism is arranged in the outer box 1, a stirring mechanism is arranged in the inner box 10, the plurality of cams 12 can be driven to rotate through the screw rod 11, the cams 11 impact the bottom of the inner box 10, and under the cooperation of the first spring 6, the inner box 10 can follow the second slide block 9, the slide plate 7 and the first slide block 5 together, the first slide groove 4 can shake up and down, so that agricultural, therefore, the stirring area is increased, the stirring efficiency of agricultural products is improved, the reaction efficiency is improved, and the detection period is shortened.

Further, the bottom of the inner wall of the outer box 1 is fixedly provided with a second liquid outlet pipe 25 in a penetrating manner, the bottom of the inner wall of the inner box 10 is fixedly provided with a first liquid outlet pipe 24 in a penetrating manner, and electromagnetic valves are fixedly arranged in the second liquid outlet pipe 25 and the first liquid outlet pipe 24 through bolts, so that liquid inlet and outlet can be regulated and controlled.

Further, the locating slot 13 has all been seted up at outer container 1 both sides inner wall to spacing mechanism, and sliding connection has two slide bars 14 in the locating slot 13, and two slide bars 14 all with between the locating plate 15 through bolt fixed connection, can carry on spacingly to the locating plate 15.

Further, rabbling mechanism establishes on the motor 16 output shaft that is fixed with first band pulley 17, outer container 1 runs through and is connected with straight axle 18 through bearing rotation near motor 16 one end, the expansion mouth 21 has been seted up in running through of inner box 10 one end, the 18 rear end of straight axle extends to in the inner box 10 through the expansion mouth 21, the cover is established and is fixed with second band pulley 19 on the straight axle 18, the cover is equipped with same belt 20 between second band pulley 19 and the first band pulley 17, straight axle 18 both sides all are connected with a plurality of stirring rake 22 through bearing rotation, can be through first band pulley 17, belt 20 and the transmission of second band pulley 19, it rotates to drive straight axle 18 and a plurality of stirring rake 22, stir agricultural product.

Further, be provided with inflation portion 23 on the stirring rake 22, inflation portion 23 intussuseption is filled with the foam blanket, can improve stirring rake 22's buoyancy, and when the liquid in inner box 10 took place the motion, stirring rake 22 can take place the rotation of certain angle to further improve stirring efficiency.

Further, 1 rear end of outer container runs through and has seted up the installing port, the installing port has closing plate 27 through bolt fastening, third spout 28 has all been seted up to 1 both sides of outer container, sliding connection has third slider 29 in the third spout 28, there is same second spring 30 through bolt fastening between third slider 29 and the 28 inner wall of third spout, there is mounting panel 31 third slider 29 inboard through bolt fastening, mounting groove 32 has been seted up to mounting panel 31 inboard, it has same filter 33 to peg graft in two mounting grooves 32, cam 12's rotation can discontinuity collision filter 33, and under second spring 30's effect, make filter 33 follow mounting panel 31 and third slider 39 together, shake from top to bottom along third spout 28, thereby improve the filter effect, open closing plate 27, can take filter 33 out from mounting groove 32, can conveniently clear up the filter residue.

Further, the size of a plurality of cams 12 sets to big centre in both sides little, and rotates through bearing between second slider 9 and the inner box 10 and connect, can be so that inner box 10 when the horizontal direction round trip movement, inner box 10 can take place the periodic slope to both sides for the solution in inner box 10 can take place to rock, thereby further improves the stirring efficiency and the detection efficiency of the device.

When the device is used, an external power supply is connected, agricultural products and medicaments are respectively put into the inner box 10 from the two feed hoppers 3, the periodic positive and negative rotation of the motor 16 is controlled by the controller, the motor 16 drives the lead screw 11 to rotate, under the screw thread matching effect, the two positioning plates 15 reciprocate back and forth to drive the inner box 10 to follow the second slide block 9 and reciprocate back and forth along the second slide groove 8, meanwhile, the slide rod 14 reciprocates back and forth along the positioning groove 13 to limit the positioning plate 15, meanwhile, the lead screw 11 drives the plurality of cams 12 to rotate, the cams 11 impact the bottom of the inner box 10, and under the matching of the first spring 6, the inner box 10 follows the second slide block 9, the slide plate 7 and the first slide block 5 to shake up and down along the first slide groove 4, so that the agricultural products in the inner box 10 are fully contacted with the stirring paddle 22, and the motor 16 drives the first belt pulley 17 to rotate, then the straight shaft 18 and the stirring paddles 22 are driven to rotate by the belt 20 and the second belt wheel 19 to stir the agricultural products, after the stirring reaction is finished, the solution flows onto the filter plate 33 from the first liquid outlet pipe 24, further, the rotation of the cam 12 intermittently collides with the filter plate 33, and under the action of the second spring 30, the filter plate 33 is made to follow the mounting plate 31 and the third slide block 39 together and vibrate up and down along the third chute 28, the filtrate flows into the outer box 1, the detector 26 detects the filtrate and displays the detection result, the sealing plate 27 is opened, the filter plate 33 can be drawn out from the mounting groove 32 to clean the filter residue, the second liquid outlet pipe 25 is opened to discharge the filtrate, further, the size of the cams 12 is set to be large at two sides and small at the middle, and the second slide block 9 is rotatably connected with the inner box 10 through a bearing, so that the inner box 10 can move back and forth in the horizontal direction, the inner tank 10 is periodically inclined to both sides so that the solution in the inner tank 10 is shaken.

Example 2

Referring to fig. 1-7, an agricultural product pesticide residue detection instrument, inner box 10 is far away from motor 16 one side inner wall and is seted up annular 34, sliding connection has movable block 35 in annular 34, and movable block 35 inboard is fixed with heart-shaped striking piece 36 through the bolt, and fixed block 38 is fixed with through the bolt in annular 34 inner wall bottom, and fixed block 38 and movable block 35 are fixed with same striking spring 37 through the bolt, and annular 34 and inner box 10 have 20 contained angles in the vertical direction.

When the stirring paddle 22 and the impact block 36 collide, the impact block 36 rotates along the ring groove 34 along with the moving block 35 and compresses the impact spring 37, the ring groove 34 and the inner box 10 form a 20-degree included angle in the vertical direction, when the impact block 36 rotates to a proper position below, the part of the impact block 26 leaking out of the ring groove 34 is gradually reduced, the stirring paddle 22 and the impact block 36 are separated from contact, the impact block 36 resets to an initial position again under the action of the impact spring 37, and therefore in the period, the stirring paddle 22 can swing in a reciprocating mode within the range of motion, the stirring effect on agricultural products is further improved, and the overall detection efficiency is improved.

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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An agricultural product pesticide residue detection instrument comprises an outer box (1), wherein the top of the outer box (1) is rotatably connected with a box cover (2) through a hinge, the top of the box cover (2) is fixedly provided with two feed hoppers (3) in a penetrating way, one side of the outer box (1) is fixedly provided with a detector (26) in a penetrating way, the agricultural product pesticide residue detection instrument is characterized in that the inner walls of the two sides of the outer box (1) are respectively provided with a first chute (4), the first chute (4) is internally connected with a first sliding block (5) in a sliding way, the inner walls of the first sliding block (5) and the first chute (4) are fixedly provided with a same first spring (6) through bolts, the inner side of the first sliding block (5) is fixedly provided with a sliding plate (7) through bolts, the inner side of the sliding plate (7) is provided with a second chute (8), the second chute (8) is internally connected with a second sliding block (9), and a same inner box (10) is fixedly provided between the two second sliding blocks (9) through bolts, the outer box (1) is provided with a driving mechanism.

2. The agricultural product pesticide residue detection instrument according to claim 1, wherein the driving mechanism is rotatably connected with a same lead screw (11) through a bearing between the inner walls of the two ends of the outer box (1), a plurality of uniformly distributed cams (12) are sleeved and fixed on the lead screw (11), two positioning plates (15) are connected on the lead screw (11) in a penetrating and threaded manner, the positioning plates (15) are arranged at the two ends of the inner box (10), a motor (16) is fixed at one end of the outer box (1) through a bolt, an output shaft of the motor (16) is fixedly connected with the lead screw (11), a limiting mechanism is arranged in the outer box (1), and a stirring mechanism is arranged in the inner box (10).

3. An agricultural product pesticide residue detection apparatus according to claim 1, wherein a second liquid outlet pipe (25) penetrates and is fixed at the bottom of the inner wall of the outer box (1), a first liquid outlet pipe (24) penetrates and is fixed at the bottom of the inner wall of the inner box (10), and electromagnetic valves are fixed in the second liquid outlet pipe (25) and the first liquid outlet pipe (24) through bolts.

4. The agricultural product pesticide residue detection instrument according to claim 2, wherein the limiting mechanism is provided with a positioning groove (13) on each of the two side inner walls of the outer box (1), two sliding rods (14) are slidably connected in the positioning groove (13), and the two sliding rods (14) are fixedly connected with the positioning plate (15) through bolts.

5. The agricultural product pesticide residue detection instrument of claim 1, wherein a first belt wheel (17) is sleeved and fixed on an output shaft of the motor (16) of the stirring mechanism, one end of the outer box (1) close to the motor (16) penetrates through the outer box and is rotatably connected with a straight shaft (18) through a bearing, a movable opening (21) is formed in one end of the inner box (10) in a penetrating manner, the rear end of the straight shaft (18) extends into the inner box (10) through the movable opening (21), a second belt wheel (19) is sleeved and fixed on the straight shaft (18), the same belt (20) is sleeved between the second belt wheel (19) and the first belt wheel (17), and a plurality of stirring paddles (22) are rotatably connected on two sides of the straight shaft (18) through bearings.

6. An agricultural product pesticide residue detecting instrument according to claim 5, characterized in that the stirring paddle (22) is provided with an expansion part (23), and the expansion part (23) is filled with a foam layer.

7. The agricultural product pesticide residue detection instrument according to claim 1, characterized in that a mounting opening is formed in the rear end of the outer box (1) in a penetrating manner, a sealing plate (27) is fixed to the mounting opening through bolts, third sliding grooves (28) are formed in both sides of the outer box (1), third sliding blocks (29) are connected in the third sliding grooves (28) in a sliding manner, a same second spring (30) is fixed between the inner walls of the third sliding blocks (29) and the third sliding grooves (28) through bolts, a mounting plate (31) is fixed to the inner side of each third sliding block (29) through bolts, mounting grooves (32) are formed in the inner side of each mounting plate (31), and a same filtering plate (33) is inserted in each two mounting grooves (32).

8. An agricultural product pesticide residue detecting apparatus according to claim 1, wherein the plurality of cams (12) are sized to be large at both sides and small at the middle, and the second slider (9) and the inner box (10) are rotatably connected by a bearing.

9. The agricultural product pesticide residue detection instrument according to claim 2, characterized in that an annular groove (34) is formed in the inner wall of the inner box (10) on the side away from the motor (16), a moving block (35) is connected in the annular groove (34) in a sliding manner, a heart-shaped impact block (36) is fixed to the inner side of the moving block (35) through a bolt, a fixed block (38) is fixed to the bottom of the inner wall of the annular groove (34) through a bolt, a same impact spring (37) is fixed between the fixed block (38) and the moving block (35) through a bolt, and an included angle of 20 degrees is formed between the annular groove (34) and the inner box (10) in the vertical direction.