CN112557144A

CN112557144A - Quick detection instrument for pesticide residue

Info

Publication number: CN112557144A
Application number: CN202011571900.3A
Authority: CN
Inventors: 刘文秋; 白洪海; 戴煦; 董宁; 万峰
Original assignee: Gansu Huace Testing Certification Co ltd
Current assignee: Gansu Huace Testing Certification Co ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2021-03-26

Abstract

The invention discloses a rapid pesticide residue detection instrument, which relates to the technical field of detection devices and comprises a base, wherein four corners of the upper surface of the base are fixedly connected with telescopic rods, springs are sleeved on the outer sides of the telescopic rods, the top end of each telescopic rod is fixedly connected with a bottom plate, the middle of the upper surface of each bottom plate is fixedly connected with a shell, the inner wall of the rear side of each shell is fixedly connected with a motor, the output end of each motor is fixedly connected with a rotating shaft, and one end, far away from the motor, of each rotating shaft is fixedly connected with a gear. The invention can drive the bottom plate, the supporting plate, the top plate, the hydraulic cylinder, the lifting plate, the pipe plug, the base and the reagent pipes to move up and down by matching the telescopic rod, the spring, the motor, the rotating shaft, the gear, the frame body and the gear strip, thereby driving the plurality of reagent pipes to do reciprocating swing with small amplitude, so that the solutions in the reagent pipes can be vibrated and mixed, and the accuracy of the subsequent detection result is further ensured.

Description

Quick detection instrument for pesticide residue

Technical Field

The invention relates to the technical field of detection devices, in particular to a rapid pesticide residue detection instrument.

Background

Agriculture is an industry for producing food and industrial raw materials by cultivating animals and plants, and is an important support for national economy. The pesticide has obvious effect on promoting the development of forestry and animal husbandry and can ensure the growth of plants, but the harm of pesticide residues is serious, so that the environment is polluted and the human health problem is threatened, and therefore, the problem of the harm of the pesticide residues is increasingly emphasized. When the pesticide to agricultural product is detected, generally adopt enzyme inhibition rate method, utilized cholinesterase to the specificity combination principle of organic phosphorus and carbamate class pesticide, generally the detection of multiunit test sample need be carried out to same agricultural product, it is less to avoid test sample, make experimental testing result not convincing, in actual operation, detection personnel need instil into cholinesterase solution one by one to a plurality of reagent pipes, again through manual shock one by one, make solvent and agricultural product section or press juice and carry out intensive mixing, thereby guarantee the accuracy of testing result, however, the operation makes detection personnel's work load great like this, and the shock time is non-uniform, the deviation of detection can appear.

Disclosure of Invention

The invention aims to provide a rapid pesticide residue detection instrument, which solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a pesticide residue rapid detection instrument comprises a base, wherein four corners of the upper surface of the base are fixedly connected with telescopic rods, springs are sleeved outside the telescopic rods, a bottom plate is fixedly connected to the top end of each telescopic rod, a shell is fixedly connected to the middle of the upper surface of the bottom plate, a motor is fixedly connected to the inner wall of the rear side of the shell, a rotating shaft is fixedly connected to the output end of the motor, a gear is fixedly connected to one end, away from the motor, of the rotating shaft, a frame body is arranged outside the gear, a gear strip is fixedly connected to the inner wall of the right side of the frame body, the frame body is connected with the gear in a meshed mode through the gear strip, the upper surface of the frame body is in contact with the lower surface of the bottom plate, supporting plates are fixedly connected to the left side and the right side of the upper surface, the flexible end of pneumatic cylinder runs through the logical groove of seting up in the middle part of the roof and is located the below of roof, the flexible end fixedly connected with lifter plate of pneumatic cylinder, the lower fixed surface of lifter plate is connected with a plurality of stopcocks, the upper surface middle part fixedly connected with base of bottom plate, a plurality of jacks have been seted up on the base.

Optionally, the bottom end of the spring is fixedly connected with the upper surface of the base, and the top end of the spring is fixedly connected with the lower surface of the bottom plate.

Optionally, the equal fixedly connected with slide rail of the left and right sides inner wall of casing, the equal fixedly connected with first sliding block in the middle part of the left and right sides of framework, the one end and the slide rail sliding connection of framework are kept away from to first sliding block.

Optionally, the number of the jacks is equal to that of the pipe plugs, and the jacks are located right below the pipe plugs.

Optionally, the inner wall fixedly connected with O type sealing washer of jack, it is a plurality of the jack evenly distributed on the base is a plurality of the stopcock evenly distributed is at the lower surface of lifter plate.

Optionally, the lifting plate is located below the top plate, the upper surface of the housing is in contact with the lower surface of the bottom plate, and the housing is a box body without the upper surface and the lower surface.

Optionally, a sliding groove is formed in one side, close to the lifting plate, of the supporting plate, a second sliding block is connected in the sliding groove in a sliding mode, and one end, far away from the supporting plate, of the second sliding block is fixedly connected with the lifting plate.

The invention has the technical effects and advantages that:

1. the invention can drive the bottom plate, the supporting plate, the top plate, the hydraulic cylinder, the lifting plate, the pipe plug, the base and the reagent pipes to move up and down by matching the telescopic rod, the spring, the motor, the rotating shaft, the gear, the frame body and the gear strip, thereby driving the plurality of reagent pipes to do reciprocating swing with small amplitude, so that the solutions in the reagent pipes can be vibrated and mixed, and the accuracy of the subsequent detection result is further ensured.

2. According to the invention, the lifting plate is driven by the hydraulic cylinder to move downwards until the lifting plate drives the pipe plug to move to the pipe orifice of the reagent pipe, and the reagent pipe is plugged, so that the solution in the pipe is prevented from spilling out during oscillation.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention.

Fig. 2 is a schematic front view of the structure of the present invention.

FIG. 3 is a side cross-sectional view of the housing structure of the present invention.

Fig. 4 is a front cross-sectional view of the housing structure of the present invention.

In the figure: 1. a base; 2. a telescopic rod; 3. a spring; 4. a base plate; 5. a housing; 6. a motor; 7. a rotating shaft; 8. a gear; 9. a frame body; 10. a gear rack; 11. a support plate; 12. a top plate; 13. a hydraulic cylinder; 14. a lifting plate; 15. a pipe plug; 16. a base; 17. a jack; 18. a slide rail; 19. a first slider; 20. a chute; 21. and a second slider.

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.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected or detachably connected; may be a mechanical connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The invention provides a pesticide residue rapid detection instrument as shown in figures 1-4, which comprises a base 1, wherein four corners of the upper surface of the base 1 are fixedly connected with telescopic rods 2, springs 3 are sleeved outside the telescopic rods 2, the bottom ends of the springs 3 are fixedly connected with the upper surface of the base 1, the top ends of the springs 3 are fixedly connected with the lower surface of a bottom plate 4, the top end of the telescopic rods 2 is fixedly connected with the bottom plate 4, the middle part of the upper surface of the bottom plate 4 is fixedly connected with a shell 5, the upper surface of the shell 5 is contacted with the lower surface of the bottom plate 4, the shell 5 is a box body without the upper surface and the lower surface, the inner wall of the rear side of the shell 5 is fixedly connected with a motor 6, the output end of the motor 6 is fixedly connected with a rotating shaft 7, one end of the rotating shaft 7, which is far away from the motor 6, is, the middle parts of the left side and the right side of the frame body 9 are fixedly connected with first sliding blocks 19, one end of each first sliding block 19, which is far away from the frame body 9, is connected with a sliding rail 18 in a sliding manner, the sliding rail 18 and the first sliding block 19 are arranged in a matching manner, so that the movement of the frame body 9 can be guided, the inner wall of the right side of the frame body 9 is fixedly connected with a gear rack 10, the frame body 9 is meshed with a gear 8 through the gear rack 10, the upper surface of the frame body 9 is contacted with the lower surface of a bottom plate 4, the left side and the right side of the upper surface of the bottom plate 4 are both fixedly connected with supporting plates 11, the top end of each supporting plate 11 is fixedly connected with a top plate 12, the middle part of the upper surface of the top plate 12 is fixedly connected with a hydraulic cylinder 13, the telescopic end of the hydraulic cylinder 13 penetrates through a through groove formed in, one side of the supporting plate 11 close to the lifting plate 14 is provided with a sliding groove 20, the sliding groove 20 is connected with a second sliding block 21 in a sliding manner, one end of the second sliding block 21 far away from the supporting plate 11 is fixedly connected with the lifting plate 14, the sliding groove 20 and the second sliding block 21 are matched to play a guiding role in moving the lifting plate 14, the lower surface of the lifting plate 14 is fixedly connected with a plurality of pipe plugs 15, the pipe plugs 15 are uniformly distributed on the lower surface of the lifting plate 14, the middle part of the upper surface of the bottom plate 4 is fixedly connected with a base 16, the base 16 is provided with a plurality of insertion holes 17, the number of the insertion holes 17 is equal to the number of the pipe plugs 15, the insertion holes 17 are positioned under the pipe plugs 15, the inner walls of the insertion holes 17 are fixedly connected with O-shaped sealing rings, the insertion holes 17 are uniformly distributed on the base 16, in use, a reagent pipe filled with slices of agricultural products or squeezed juice is inserted, and the cholinesterase solvent is dripped into the reagent tube, the hydraulic cylinder 13 drives the lifting plate 14 to move downwards until the lifting plate 14 drives the tube plug 15 to move to the tube opening of the reagent tube and plugs the reagent tube, so that the solution in the tube is spilled when oscillation is prevented, the motor 6 drives the rotating shaft 7 and the gear 8 to rotate, the gear 8 can drive the frame body 9 to move upwards when contacting with the gear strip 10 in the rotating process, the frame body 9 can drive the bottom plate 4 to move upwards in the upwards moving process, and further can drive the support plate 11, the top plate 12, the hydraulic cylinder 13, the lifting plate 14, the tube plug 15, the base 16 and the reagent tube to move upwards, meanwhile, the spring 3 and the telescopic rod 2 can be stretched in the upwards moving process of the frame body 9, when the gear 8 does not contact with the gear strip 10 in the rotating process, the frame body 9 does not drive the bottom plate 4 to move upwards, at the moment, the bottom plate 4 can be pulled to move downwards under the, and then can drive backup pad 11, roof 12, pneumatic cylinder 13, lifter plate 14, stopcock 15, base 16 and reagent pipe rebound, to sum up, at telescopic link 2, spring 3, motor 6, pivot 7, gear 8, under the cooperation of framework 9 and gear rack 10, can drive bottom plate 4, backup pad 11, roof 12, pneumatic cylinder 13, lifter plate 14, stopcock 15, base 16 and reagent pipe reciprocate, thereby drive a plurality of reagent pipes and carry out the reciprocating swing of small-amplitude, thereby can vibrate the mixture to solution wherein, and then guarantee the accuracy of follow-up testing result.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

This practical theory of operation: when the device is used, a reagent tube filled with sliced or squeezed agricultural products is inserted into the jack 17, the outer side wall of the reagent tube is wrapped by the O-shaped rubber ring, a cholinesterase solvent is dripped into the reagent tube, the hydraulic cylinder 13 drives the lifting plate 14 to move downwards until the lifting plate 14 drives the tube plug 15 to move to the orifice of the reagent tube and seal the reagent tube, when oscillation is prevented, the solution in the tube is spilled out, the motor 6 drives the rotating shaft 7 and the gear 8 to rotate, the gear 8 can drive the frame body 9 to move upwards when contacting with the gear strip 10 in the rotating process, the frame body 9 can drive the bottom plate 4 to move upwards in the upwards moving process, and further can drive the support plate 11, the top plate 12, the hydraulic cylinder 13, the lifting plate 14, the tube plug 15, the base 16 and the reagent tube to move upwards, and simultaneously can stretch the spring 3 and the telescopic rod 2 in the upwards moving process of the frame body, when the gear 8 is not in contact with the rack 10 in the rotation process, the frame 9 does not drive the bottom plate 4 to move upwards any more, at this moment, the bottom plate 4 can be pulled to move downwards under the action of the restoring force of the spring 3, and then the support plate 11, the top plate 12, the hydraulic cylinder 13, the lifting plate 14, the pipe plug 15, the base 16 and the reagent pipe move upwards, to sum up, under the cooperation of the telescopic rod 2, the spring 3, the motor 6, the rotating shaft 7, the gear 8, the frame 9 and the rack 10, the bottom plate 4 can be driven, the support plate 11, the top plate 12, the hydraulic cylinder 13, the lifting plate 14, the pipe plug 15, the base 16 and the reagent pipe move upwards and downwards, so that a plurality of reagent pipes are driven to perform small-amplitude reciprocating swing, so that the solution in the reagent pipes can be vibrated and mixed, and the.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a quick detecting instrument of pesticide residue, includes base (1), its characterized in that: the upper surface four corners of the base (1) are fixedly connected with telescopic rods (2), springs (3) are sleeved on the outer sides of the telescopic rods (2), a bottom plate (4) is fixedly connected to the top ends of the telescopic rods (2), a shell (5) is fixedly connected to the middle of the upper surface of the bottom plate (4), a motor (6) is fixedly connected to the inner wall of the rear side of the shell (5), a rotating shaft (7) is fixedly connected to the output end of the motor (6), a gear (8) is fixedly connected to one end, far away from the motor (6), of the rotating shaft (7), a frame body (9) is arranged on the outer side of the gear (8), a gear strip (10) is fixedly connected to the inner wall of the right side of the frame body (9), the frame body (9) is connected with the gear (8) in a meshed mode through the gear strip (10), and the upper surface of the frame, the utility model discloses a roof, including the upper surface of bottom plate (4), the equal fixedly connected with backup pad (11) of the upper surface left and right sides of bottom plate (4), top fixedly connected with roof (12) of backup pad (11), the upper surface middle part fixedly connected with pneumatic cylinder (13) of roof (12), the flexible end of pneumatic cylinder (13) runs through logical groove that roof (12) middle part was seted up and is located the below of roof (12), the flexible end fixedly connected with lifter plate (14) of pneumatic cylinder (13), the lower fixed surface of lifter plate (14) is connected with a plurality of stopcocks (15), the upper surface middle part fixedly connected with base (16) of bottom plate (4), a plurality of jacks (17) have been seted up on base (16).

2. The rapid detection instrument for pesticide residues according to claim 1, characterized in that:

the bottom of spring (3) is fixedly connected with the upper surface of base (1), the top of spring (3) is fixedly connected with the lower surface of bottom plate (4).

3. The rapid detection instrument for pesticide residues according to claim 1, characterized in that:

the equal fixedly connected with slide rail (18) of the left and right sides inner wall of casing (5), the equal fixedly connected with first sliding block (19) in the middle part of the left and right sides of framework (9), the one end and the slide rail (18) sliding connection of framework (9) are kept away from in first sliding block (19).

4. The rapid detection instrument for pesticide residues according to claim 1, characterized in that:

the number of the jacks (17) is equal to that of the pipe plugs (15), and the jacks (17) are positioned right below the pipe plugs (15).

5. The rapid detection instrument for pesticide residues according to claim 4, characterized in that:

the inner wall fixedly connected with O type sealing washer of jack (17), it is a plurality of jack (17) evenly distributed on base (16), it is a plurality of stopcock (15) evenly distributed is at the lower surface of lifter plate (14).

6. The rapid detection instrument for pesticide residues according to claim 1, characterized in that:

the lifting plate (14) is positioned below the top plate (12), the upper surface of the shell (5) is in contact with the lower surface of the bottom plate (4), and the shell (5) is a box body without the upper surface and the lower surface.

7. The rapid detection instrument for pesticide residues according to claim 1, characterized in that:

one side that backup pad (11) are close to lifter plate (14) has seted up spout (20), sliding connection has second sliding block (21) in spout (20), the one end and lifter plate (14) fixed connection of backup pad (11) are kept away from in second sliding block (21).