Veterinary drug residue detection equipment for aquaculture

Abstract

The invention belongs to the technical field of veterinary drug residue detection, and discloses veterinary drug residue detection equipment for aquaculture. Comprising a veterinary drug residue detector main body and a shell which is fixedly connected to the bottom of the veterinary drug residue detector main body. By arranging the lifting assembly and the replacing assembly, when sampling in water through the sampling pipe is needed, a first motor is started to drive a winding wheel to release a connecting rope from the winding wheel, a conical block, a vertical rod, a base and a balancing weight drive the sampling pipe in the sampling pipe to penetrate through a through opening to move downwards, and in the downward movement process, a conical filter screen leaves a connecting piece; under the action of the first spring, the conical filter screen is arranged on the sampling pipe, the sampling pipe descends into water to collect water, the sampling pipe returns to the original position when passing through the lifting assembly, the first electric push rod is started to push the sampling pipe through the push plate, the sampling pipe after sampling is completed is pushed away, a new sampling pipe is pushed to the base, and the purpose of automatic sampling is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of veterinary drug residue detection, and more specifically, to a device for detecting veterinary drug residue in aquaculture. Background Art

[0002] In the aquaculture industry, the use of veterinary drugs is essential for the prevention and treatment of diseases in aquatic animals. However, excessive or improper use of veterinary drugs may lead to veterinary drug residues in water bodies, posing a potential threat to aquatic ecosystems and may also have adverse effects on human health. Therefore, it is necessary to regularly monitor and evaluate veterinary drug residues in aquaculture environments.

[0003] At present, veterinary drug residues in aquaculture are mainly detected by special veterinary drug residue detectors. Veterinary drug residue detectors are usually portable suitcases, which allow staff to take samples on site for real-time testing. However, current veterinary drug residue detectors cannot automatically take samples at aquaculture sites. Staff are required to manually take samples and then take them to the veterinary drug residue detector for testing. The operation is relatively cumbersome, and during the sampling process, staff are also in danger of falling into the water. Summary of the invention

[0004] The present invention aims to solve the problem that the current veterinary drug residue detector in the background technology cannot automatically perform sampling in aquaculture areas, and proposes an aquaculture veterinary drug residue detection device.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an aquaculture veterinary drug residue detection device, comprising a veterinary drug residue detector body, and also comprising: The shell is fixedly connected to the bottom of the main body of the veterinary drug residue detector. Four electric wheels are installed at the bottom of the shell. A flat plate is provided in the shell. A plurality of sampling tubes in contact with each other are provided on the flat plate. A lifting assembly for driving the sampling tubes to move in a vertical direction for sampling is provided on the flat plate. A replacement assembly for replacing the sampling tubes and a sealing assembly for sealing the sampling tubes after sampling are completed are also provided on the flat plate. The sealing assembly includes a telescopic bracket plate fixedly connected to a flat plate, a second motor is fixedly connected to the telescopic bracket plate, an output shaft of the second motor is fixedly connected to a first threaded rod, a hollow cylinder is fixedly connected to the telescopic bracket plate via a connecting block, a circular plate is installed on the top of the hollow cylinder, the first threaded rod is threadedly connected to the middle part of the circular plate, a rubber block is fixedly connected to the bottom end of the first threaded rod, a plurality of rubber plugs are arranged in the hollow cylinder, an internal thread is provided on the rubber plug, and an external thread matching the internal thread is provided in the sampling tube.

[0006] Furthermore, the lifting assembly includes two vertical plates fixedly connected to the top of the flat plate, one of the vertical plates is fixedly connected to a first motor, an output shaft of the first motor is fixedly connected to a winding wheel, a connecting rope is wound and fixedly connected to the surface of the winding wheel, one end of the connecting rope is fixedly connected to a conical block, a through opening which is adapted to and opposite to the conical block is opened on the flat plate, two vertical rods are fixedly connected to the bottom of the conical block, the bottom end of the vertical rod is fixedly connected to a base which is located in the through opening and whose top is flush with the top of the flat plate, the bottom of the base is fixedly connected to a counterweight block located in the through opening, one sampling tube is located in the middle of the base, the diameters of the conical block, the base and the through opening are the same, and the diameter of the conical block is larger than the diameter of the sampling tube.

[0007] Furthermore, two L-shaped support plates are fixedly connected to the flat plate, and elastic connecting plates are fixedly connected to the L-shaped support plates. A filter assembly for preventing floating objects in the water from entering the sampling tube is provided on the conical block, and the filter assembly includes a telescopic sleeve fixedly connected to the bottom of the conical block, and a conical filter screen is fixedly connected to the bottom end of the telescopic sleeve. A first spring mounted on the outside of the telescopic sleeve is fixedly connected between the conical filter screen and the conical block, and the two connecting plates are in contact with the bottom of the conical filter screen.

[0008] Furthermore, a horizontal plate is fixed between the two vertical plates, a second spring in a compressed state is fixed to the bottom of the horizontal plate, a circular ring plate is fixed to the bottom end of the second spring, the circular ring plate is sleeved and abutted on the conical block, a T-shaped rod is fixed to the bottom of the circular ring plate, a third spring is fixed to one of the vertical plates, one end of the third spring is fixed to the T-shaped plate, two extrusion blocks are fixed to the T-shaped plate, a triangular block is fixed to the T-shaped plate, and the T-shaped rod is opposite to the inclined surface of the triangular block.

[0009] Furthermore, the replacement component includes a first electric push rod fixedly connected to the bottom of the flat plate, the output end of the first electric push rod is fixedly connected to a moving plate, the moving plate is fixedly connected to a moving rod, one end of the moving rod is fixedly connected to a push plate in contact with one of the sampling tubes, two limit frames are fixedly connected to the flat plate, a plurality of limit rollers in contact with the sampling tubes are installed on the limit frames, the T-shaped plate is slidably connected to the two limit frames, and the moving rod slides to one of the limit frames.

[0010] Furthermore, a second electric push rod is fixedly connected to the side wall of the hollow cylinder, an L-shaped plate is fixedly connected to the output end of the second electric push rod, one end of the L-shaped plate is fixedly connected to a disc that slides through the hollow cylinder, the disc is located at the bottom of the lowest rubber stopper, and the bottom of the disc is flush with the top of the sampling tube.

[0011] Furthermore, two clamping plates are slidably connected to the limit frame, a connecting rod is fixedly connected to the clamping plate, one end of the connecting rod is fixedly connected to a hemisphere, and two fixing columns are fixedly connected to the L-shaped plate, and the fixing columns are directly opposite to the curved surface of the hemisphere away from the middle.

[0012] Furthermore, a stabilizing component for stabilizing the main body and the shell of the veterinary drug residue detector during the sampling process is provided in the shell, and the stabilizing component includes a third motor fixedly connected to the bottom of the shell, the output shaft of the third motor is fixedly connected to a second threaded rod, the outer wall of the second threaded rod is threadedly connected to a lifting plate, the lifting plate is fixedly connected to a circular plate, and the circular plate is fixedly connected to four positioning cones passing through the bottom of the shell.

[0013] Furthermore, a third threaded rod is rotatably connected to the shell through a connecting plate, one end of the third threaded rod and the outer wall of the second threaded rod are fixedly connected with mutually meshing bevel gears, the outer wall of the third threaded rod is threadedly connected with an L-shaped support plate, the flat plate is fixed on the L-shaped support plate, and a closing plate facing the flat plate is provided on the shell.

[0014] The technical effects and advantages of the aquaculture veterinary drug residue detection device of the present invention are as follows: (1) By setting a lifting component and a replacement component, when it is necessary to take a sample in the water through the sampling tube, the first motor is started to drive the winding wheel to rotate, and the winding wheel releases the connecting rope from the winding wheel. Under the action of gravity and the second spring, the conical block, the vertical rod, the base and the counterweight block drive the sampling tube inside thereof to pass through the opening and move downward. During the downward movement, the conical filter screen leaves the connecting piece. Under the action of the first spring, the conical filter screen is set on the sampling tube. The sampling tube is lowered into the water to collect water, and then the sampling tube is returned to its original position through the lifting component. The first electric push rod is started to push the sampling tube through the push plate, so that the sampling tube that has completed sampling is pushed away and the new sampling tube is pushed onto the base, thereby achieving the purpose of automatic sampling.

[0015] (2) By setting up a sealing component, when the sampling tube is completed, it will be pushed to the bottom of the hollow cylinder, and the second motor will be started to drive the first threaded rod to rotate. The first threaded rod will drive the rubber block and the first motor to move downward, so that the rubber block contacts the uppermost rubber plug. The second electric push rod will be started to drive the disc to move through the L-shaped plate, so that the disc no longer blocks the rubber plug, and the lowermost rubber plug will enter the sampling tube. The second motor will continue to be started. Under the action of friction, the rubber block can drive the rubber plug to rotate and move downward, and the lowermost rubber plug will be screwed into the sampling tube, thereby achieving the purpose of automatically sealing the sampling tube after sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2It is a schematic cross-sectional view of the housing in the present invention; Figure 3 It is a schematic diagram of the structure above the flat plate in the present invention; Figure 4 It is a schematic diagram of a first partial three-dimensional structure in the present invention; Figure 5 It is a schematic diagram of a second partial three-dimensional structure in the present invention; Figure 6 It is a schematic diagram of the lifting assembly in the present invention; Figure 7 For the present invention Figure 5 The enlarged schematic diagram at A in the middle; Figure 8 is a schematic diagram of a sealing assembly in the present invention; Fig. 9 For the present invention Figure 8 Enlarged schematic diagram of point B in the middle.

[0017] In the figure: 1. The main body of the veterinary drug residue detector; 2. The housing; 3. The electric wheel; 4. The flat plate; 5. The vertical plate; 6. The first motor; 7. The winding wheel; 8. The connecting rope; 9. The conical block; 10. The vertical rod; 11. The base; 12. The counterweight block; 13. The L-shaped support plate; 14. The connecting piece; 15. The telescopic sleeve; 16. The conical filter screen; 17. The first spring; 18. The horizontal plate; 19. The second spring; 20. The circular plate; 21. The T-shaped rod; 22. The third spring; 23. The T-shaped plate; 24. The extrusion block; 25. The triangular block; 26. The first electric push rod; 27. The shift Moving plate; 28. Moving rod; 29. ​​Push plate; 30. Limiting frame; 31. Telescopic bracket plate; 32. Second motor; 33. First threaded rod; 34. Hollow cylinder; 35. Round plate; 36. Rubber block; 37. Rubber plug; 38. Second electric push rod; 39. L-shaped plate; 40. Round piece; 41. Clamping plate; 42. Connecting rod; 43. Hemisphere; 44. Fixed column; 45. Third motor; 46. Second threaded rod; 47. Lifting plate; 48. Reciprocating plate; 49. Positioning cone; 50. Third threaded rod; 51. Bevel gear; 52. L-shaped support plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] Reference Figure 1 - Fig. 9, an aquaculture veterinary drug residue detection device, including a veterinary drug residue detector body 1, and also includes: The housing 2 is fixedly connected to the bottom of the main body 1 of the veterinary drug residue detector. Four electric wheels 3 are installed at the bottom of the housing 2. A flat plate 4 is provided in the housing 2. A plurality of sampling tubes in contact with each other are provided on the flat plate 4. A lifting assembly for driving the sampling tube to move in a vertical direction for sampling is provided on the flat plate 4. A replacement assembly for replacing the sampling tube and a sealing assembly for sealing the sampling tube after sampling are completed are also provided on the flat plate 4. When in use, the veterinary drug residue detector body 1 is placed beside an aquaculture pond, and the veterinary drug residue detector body 1 moves along the pond through the electric wheels 3, stops after moving to a suitable position, and drives the sampling tube to take samples in the pond through the lifting component. After the sampling is completed, the sampling tube is sealed through the sealing component, and the veterinary drug residue detector body 1 continues to move through the electric wheels 3, stops after moving to the next sampling position, replaces the sampling tube through the replacement component, and takes samples again through the lifting component; Among them, the veterinary drug residue detector body 1 can be a veterinary drug residue detector, which can detect antibacterial antibiotics and sulfonamides. After sampling is completed, the staff can test the samples through the veterinary drug residue detector.

[0020] Reference Figure 4 , Figure 5 and Figure 6 The lifting assembly includes two vertical plates 5 fixedly connected to the top of the flat plate 4, one of the vertical plates 5 is fixedly connected to a first motor 6, the output shaft of the first motor 6 is fixedly connected to a winding wheel 7, a connecting rope 8 is wound and fixedly connected to the surface of the winding wheel 7, one end of the connecting rope 8 is fixedly connected to a conical block 9, a through opening adapted to and facing the conical block 9 is opened on the flat plate 4, two vertical rods 10 are fixedly connected to the bottom of the conical block 9, the bottom end of the vertical rod 10 is fixedly connected to a base 11 located in the through opening and whose top is flush with the top of the flat plate 4, and the bottom of the base 11 is fixedly connected to a counterweight block 1 located in the through opening 2, one of the sampling tubes is located in the middle of the base 11, the diameters of the conical block 9, the base 11 and the through-hole are the same, and the diameter of the conical block 9 is larger than the diameter of the sampling tube; before sampling, the sampling tube is located in the middle of the base 11, the first motor 6 is started, the first motor 6 drives the winding wheel 7 to rotate, the winding wheel 7 rotates to release the connecting rope 8 from the winding wheel 7, under the action of gravity, the conical block 9, the sampling tube, the vertical rod 10, the base 11 and the counterweight 12 move downward, so that the sampling tube passes through the through-hole of the flat plate 4 and moves downward, the sampling tube enters the water for sampling, and after the sampling is completed, the sampling tube is driven to reset by the first motor 6.

[0021] Reference Figure 5 and Figure 6Two L-shaped support plates 13 are fixedly connected to the flat plate 4, and elastic connecting plates 14 are fixedly connected to the L-shaped support plates 13. A filter assembly for preventing floating objects in the water from entering the sampling tube is provided on the conical block 9. The filter assembly includes a telescopic sleeve 15 fixedly connected to the bottom of the conical block 9, and a conical filter screen 16 is fixedly connected to the bottom end of the telescopic sleeve 15. A first spring 17 sleeved on the outside of the telescopic sleeve 15 is fixedly connected between the conical filter screen 16 and the conical block 9. The two connecting plates 14 are in contact with the bottom of the conical filter screen 16; on the conical block 9 During the downward movement of the sampling tube, the conical block 9 drives the conical filter 16 to pass through the connecting piece 14. Under the action of the first spring 17, the conical filter 16 is abutted against the top of the sampling tube. The conical filter 16 presses the sampling tube against the base 11. The conical filter 16 can also prevent floating objects on the water surface from entering the sampling tube during the sampling process. When the sampling tube is reset, the conical block 9 first passes through the connecting piece 14, and then the conical filter 16 passes through the connecting piece 14 to reach the top thereof. Finally, the sampling tube is reset to its initial position, and the conical filter 16 falls back on the connecting piece 14.

[0022] Reference Figure 4 , Figure 5 and Figure 7 A horizontal plate 18 is fixed between the two vertical plates 5, a second spring 19 in a compressed state is fixed to the bottom of the horizontal plate 18, a circular plate 20 is fixed to the bottom end of the second spring 19, the circular plate 20 is sleeved and abutted on the conical block 9, a T-shaped rod 21 is fixed to the bottom of the circular plate 20, a third spring 22 is fixed to one of the vertical plates 5, a T-shaped plate 23 is fixed to one end of the third spring 22, two extrusion blocks 24 are fixed to the T-shaped plate 23, a triangular block 25 is fixed to the T-shaped plate 23, and the T-shaped rod 21 is opposite to the inclined surface of the triangular block 25; in the process of the conical block 9 and the sampling tube moving downward, under the action of the second spring 19, the circular plate 20 has an extrusion block 24 on the conical block 9. The downward pressure assists the sampling tube and the conical block 9 to move downward, the annular plate 20 can drive the T-shaped rod 21 to move downward, the T-shaped rod 21 moves downward to press the inclined surface of the triangular block 25, thereby driving the triangular block 25 and the T-shaped plate 23 to move, the third spring 22 is stretched, and the T-shaped plate 23 drives the extrusion block 24 to squeeze the sampling tubes on both sides of the sampling tube on the base 11, and squeeze the sampling tubes on both sides to prevent the conical block 9 from being blocked during its descent. The extrusion can push the sampling tube on one side of which the sampling has been completed to the bottom of the sealing assembly for sealing. In the process of resetting the sampling tube after sampling, the conical block 9 squeezes the annular plate 20 and pushes it upward, the second spring 19 is compressed, and the annular plate 20 drives the T-shaped rod 21 to reset.

[0023] Reference Figure 3 and Figure 5The replacement assembly includes a first electric push rod 26 fixedly connected to the bottom of the flat plate 4, a moving plate 27 fixedly connected to the output end of the first electric push rod 26, a moving rod 28 fixedly connected to the moving plate 27, a push plate 29 in contact with one of the sampling tubes fixedly connected to one end of the moving rod 28, two limit racks 30 fixedly connected to the flat plate 4, a plurality of limit rollers in contact with the sampling tubes installed on the limit racks 30, the T-shaped plate 23 is slidably connected to the two limit racks 30, and the moving rod 28 slides to one of the sampling tubes Limiting frame 30; when a new sampling tube needs to be replaced after sampling is completed, the first electric push rod 26 is started, the first electric push rod 26 drives the movable plate 27 to move, the movable plate 27 drives the movable rod 28 to move, the movable rod 28 drives the push plate 29 to move, the push plate 29 pushes the sampling tube to move, and the next new sampling tube is pushed to the middle position of the base 11. The sampling tube moves between the limiting rollers of the limiting frame 30. When the sampling tubes on both sides need to avoid to both sides, the first electric push rod 26 drives the push plate 29 to move back a distance.

[0024] Reference Figure 3 and Figure 8 The sealing assembly includes a telescopic bracket plate 31 fixedly connected to the flat plate 4, a second motor 32 is fixedly connected to the telescopic bracket plate 31, a first threaded rod 33 is fixedly connected to the output shaft of the second motor 32, a hollow cylinder 34 is fixedly connected to the telescopic bracket plate 31 through a connecting block, a round plate 35 is installed on the top of the hollow cylinder 34, the first threaded rod 33 is threadedly connected to the middle part of the round plate 35, a rubber block 36 is fixedly connected to the bottom end of the first threaded rod 33, a plurality of rubber plugs 37 are arranged in the hollow cylinder 34, the rubber plug 37 is provided with an internal thread, and a rubber plug 37 matching the internal thread is provided in the sampling tube External thread; when the sampling tube that has completed sampling is pushed away from the base 11, a new sampling tube enters the base 11, and the sampling tube that has completed sampling will reach the bottom of the hollow cylinder 34 due to avoidance, and the lowest rubber plug 37 falls into the sampling tube, and the second motor 32 is started, and the second motor 32 drives the first threaded rod 33 to rotate, and the first threaded rod 33 can drive the rubber block 36 to move downward and rotate, and the rubber block 36 presses the rubber plug 37 downward. Due to the action of friction, the rubber block 36 can drive multiple rubber plugs 37 to rotate, and the rubber plug 37 is screwed into the sampling tube through the internal thread and the external thread, so as to realize automatic sealing of the sampling tube.

[0025] Reference Figure 8 and Fig. 9A second electric push rod 38 is fixedly connected to the side wall of the hollow cylinder 34, and an L-shaped plate 39 is fixedly connected to the output end of the second electric push rod 38. A disc 40 that slides through the hollow cylinder 34 is fixedly connected to one end of the L-shaped plate 39. The disc 40 is located at the bottom of the lowest rubber plug 37, and the bottom of the disc 40 is flush with the top of the sampling tube; after the sampling tube reaches directly below the hollow cylinder 34, the second electric push rod 38 is started, and the second electric push rod 38 drives the L-shaped plate 39 to move, and the L-shaped plate 39 drives the disc 40 to move, so that the disc 40 no longer blocks the rubber plug 37, so that the lowest rubber plug 37 enters the sampling tube, and when the rubber plug 37 is screwed in, and while the sampling tube is being pushed away, the second electric push rod 38 is started to control the disc 40 to block the remaining rubber plugs 37.

[0026] Reference Figure 8 and Fig. 9 Two clamping plates 41 are slidably connected to the limit frame 30, and a connecting rod 42 is fixedly connected to the clamping plate 41. A hemisphere 43 is fixedly connected to one end of the connecting rod 42. Two fixing columns 44 are fixedly connected to the L-shaped plate 39, and the fixing columns 44 are directly opposite to the curved surface of the hemisphere 43 away from the middle; when the second electric push rod 38 drives the L-shaped plate 39 and the disc 40 to move, the L-shaped plate 39 drives the fixing columns 44 to move, and the fixing columns 44 can squeeze the hemisphere 43, squeezing the two hemispheres 43 toward the middle, and the hemisphere 43 drives the two clamping plates 41 to clamp the sampling tube to be sealed through the connecting rod 42 to prevent shaking during the process of screwing in the rubber plug 37.

[0027] Reference Figure 2 , a stabilizing component for stabilizing the veterinary drug residue detector body 1 and the shell 2 during the sampling process is provided in the shell 2, and the stabilizing component includes a third motor 45 fixedly connected to the bottom of the shell 2, and the output shaft of the third motor 45 is fixedly connected to a second threaded rod 46, and the outer wall of the second threaded rod 46 is threadedly connected to a lifting plate 47, and a circular plate 48 is fixedly connected to the lifting plate 47, and four positioning cones 49 that pass through the bottom of the shell 2 are fixedly connected to the circular plate 48; during the sampling process of the veterinary drug residue detector body 1, it is necessary to stabilize it, start the third motor 45, the third motor 45 drives the second threaded rod 46 to rotate, the second threaded rod 46 drives the lifting plate 47 to move downward, the lifting plate 47 drives the circular plate 48 to move downward, and the circular plate 48 drives the positioning cone 49 to move downward, so that the positioning cone 49 is inserted into the soil layer to achieve the stability of the veterinary drug residue detector body 1.

[0028] Reference Figure 2A third threaded rod 50 is rotatably connected to the shell 2 through a connecting plate, and one end of the third threaded rod 50 and the outer wall of the second threaded rod 46 are fixedly connected with mutually meshing bevel gears 51, and the outer wall of the third threaded rod 50 is threadedly connected with an L-shaped support plate 52, and the flat plate 4 is fixedly connected to the L-shaped support plate 52, and a closing plate facing the flat plate 4 is provided on the shell 2; during the insertion process of the positioning cone 49, the third motor 45 drives the third threaded rod 50 to rotate through the second threaded rod 46 and the two bevel gears 51, and the third threaded rod 50 can drive the L-shaped support plate 52 and the flat plate 4 to move, so that the flat plate 4 extends out of the shell 2 to reach above the water surface for sampling.

[0029] Working principle: When in use, the main body 1 of the veterinary drug residue detector is placed beside an aquaculture pond. The main body 1 of the veterinary drug residue detector moves along the pond through the electric wheels 3, stops after moving to a suitable position, drives the sampling tube to take samples in the pond through the lifting component, seals the sampling tube through the sealing component after the sampling is completed, drives the main body 1 of the veterinary drug residue detector to continue moving through the electric wheels 3, stops after moving to the next sampling position, replaces the sampling tube through the replacement component, and takes samples again through the lifting component; Before sampling, the sampling tube is located in the middle of the base 11, and the first motor 6 is started. The first motor 6 drives the winding wheel 7 to rotate. The winding wheel 7 rotates to release the connecting rope 8 from the winding wheel 7. Under the action of gravity, the conical block 9, the sampling tube, the vertical rod 10, the base 11 and the counterweight block 12 move downward, so that the sampling tube passes through the opening of the flat plate 4 and moves downward. The sampling tube enters the water for sampling. After the sampling is completed, the sampling tube is driven to reset by the first motor 6; During the downward movement of the conical block 9 and the sampling tube, the conical block 9 drives the conical filter 16 to pass through the connecting piece 14. Under the action of the first spring 17, the conical filter 16 is abutted against the top of the sampling tube. The conical filter 16 presses the sampling tube tightly against the base 11. The conical filter 16 can also prevent floating objects on the water surface from entering the sampling tube during the sampling process. When the sampling tube is reset, the conical block 9 first passes through the connecting piece 14, and then the conical filter 16 passes through the connecting piece 14 to reach the top of it. Finally, the sampling tube is reset to the initial position, and the conical filter 16 falls back on the connecting piece 14. During the downward movement of the conical block 9 and the sampling tube, under the action of the second spring 19, the annular plate 20 exerts downward pressure on the conical block 9, assisting the sampling tube and the conical block 9 to move downward, and the annular plate 20 can drive the T-shaped rod 21 to move downward, and the T-shaped rod 21 moves downward to press the inclined surface of the triangular block 25, thereby driving the triangular block 25 and the T-shaped plate 23 to move, and the third spring 22 is stretched, and the T-shaped plate 23 drives the extrusion block 24 to squeeze the sampling tubes on both sides of the sampling tube on the base 11, and squeeze the sampling tubes on both sides to prevent the conical block 9 from being blocked during its descent. The extrusion can push the sampling tube on one side of which has been sampled to the bottom of the sealing assembly for sealing. During the resetting process of the sampling tube after sampling, the conical block 9 squeezes the annular plate 20 and pushes it upward, the second spring 19 is compressed, and the annular plate 20 drives the T-shaped rod 21 to reset; When the sampling is completed and a new sampling tube needs to be replaced, the first electric push rod 26 is started, the first electric push rod 26 drives the moving plate 27 to move, the moving plate 27 drives the moving rod 28 to move, the moving rod 28 drives the push plate 29 to move, the push plate 29 pushes the sampling tube to move, and the next new sampling tube is pushed to the middle position of the base 11, and the sampling tube moves between the limiting rollers of the limiting frame 30. When the sampling tubes on both sides need to be evaded to both sides, the first electric push rod 26 drives the push plate 29 to move back a distance; When the sampling tube that has completed sampling is pushed away from the base 11, a new sampling tube enters the base 11. The sampling tube that has completed sampling will reach the bottom of the hollow cylinder 34 due to avoidance, and the rubber plug 37 at the bottom falls into the sampling tube. The second motor 32 is started, and the second motor 32 drives the first threaded rod 33 to rotate. The first threaded rod 33 can drive the rubber block 36 to move downward and rotate. The rubber block 36 presses the rubber plug 37 downward. Due to the action of friction, the rubber block 36 can drive multiple rubber plugs 37 to rotate, and the rubber plug 37 is screwed into the sampling tube through the internal thread and the external thread, so as to realize automatic sealing of the sampling tube. After the sampling tube reaches the bottom of the hollow cylinder 34, the second electric push rod 38 is started, and the second electric push rod 38 drives the L-shaped plate 39 to move, and the L-shaped plate 39 drives the disc 40 to move, so that the disc 40 no longer blocks the rubber plug 37, so that the bottom rubber plug 37 enters the sampling tube. After the rubber plug 37 is screwed in, and the sampling tube is pushed away, the second electric push rod 38 is started to control the disc 40 to block the remaining rubber plugs 37; When the second electric push rod 38 drives the L-shaped plate 39 and the disc 40 to move, the L-shaped plate 39 drives the fixed column 44 to move, and the fixed column 44 can squeeze the hemispheres 43, squeezing the two hemispheres 43 toward the middle, and the hemispheres 43 drive the two clamping plates 41 to clamp the sampling tube to be sealed through the connecting rod 42 to prevent shaking during the process of screwing the rubber plug 37; During the sampling process of the veterinary drug residue detector body 1, it is necessary to stabilize it, start the third motor 45, the third motor 45 drives the second threaded rod 46 to rotate, the second threaded rod 46 drives the lifting plate 47 to move downward, the lifting plate 47 drives the circular plate 48 to move downward, the circular plate 48 drives the positioning cone 49 to move downward, so that the positioning cone 49 is inserted into the soil layer, so as to achieve the stability of the veterinary drug residue detector body 1; During the insertion of the positioning cone 49, the third motor 45 drives the third threaded rod 50 to rotate through the second threaded rod 46 and the two bevel gears 51. The third threaded rod 50 can drive the L-shaped support plate 52 and the flat plate 4 to move, so that the flat plate 4 extends out of the shell 2 to reach above the water surface for sampling.

[0030] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0031] Finally: The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An aquaculture veterinary drug residue detection device, comprising a veterinary drug residue detector body (1), characterized in that: Also includes: A shell (2), the shell (2) being fixedly connected to the bottom of the main body (1) of the veterinary drug residue detector, four electric wheels (3) being installed at the bottom of the shell (2), a flat plate (4) being arranged inside the shell (2), a plurality of sampling tubes contacting each other being arranged on the flat plate (4), a lifting assembly being arranged on the flat plate (4) for driving the sampling tubes to move in a vertical direction for sampling, a replacement assembly being arranged on the flat plate (4) for replacing the sampling tubes and a sealing assembly being arranged for sealing the sampling tubes after sampling is completed; The sealing assembly comprises a telescopic support plate (31) fixedly connected to a flat plate (4); a second motor (32) is fixedly connected to the telescopic support plate (31); an output shaft of the second motor (32) is fixedly connected to a first threaded rod (33); a hollow cylinder (34) is fixedly connected to the telescopic support plate (31) via a connecting block; a round plate (35) is mounted on the top of the hollow cylinder (34); the first threaded rod (33) is threadedly connected to the middle of the round plate (35); a rubber block (36) is fixedly connected to the bottom end of the first threaded rod (33); a plurality of rubber plugs (37) are arranged in the hollow cylinder (34); an internal thread is formed on the rubber plug (37); and an external thread matching the internal thread is formed in the sampling tube.

2. The aquaculture veterinary drug residue detection equipment according to claim 1, characterized in that: The lifting assembly comprises two vertical plates (5) fixedly connected to the top of a flat plate (4), wherein a first motor (6) is fixedly connected to one of the vertical plates (5), a winding wheel (7) is fixedly connected to the output shaft of the first motor (6), a connecting rope (8) is wound and fixedly connected to the surface of the winding wheel (7), one end of the connecting rope (8) is fixedly connected to a conical block (9), a through opening which is adapted to the conical block (9) and is directly opposite to the conical block (9) is opened on the flat plate (4), two vertical rods (10) are fixedly connected to the bottom of the conical block (9), a base (11) which is located in the through opening and whose top is flush with the top of the flat plate (4) is fixedly connected to the bottom end of the vertical rod (10), a counterweight block (12) located in the through opening is fixedly connected to the bottom of the base (11), and a sampling tube is located in the middle of the base (11), the conical block (9), the base (11) and the through opening have the same diameter, and the diameter of the conical block (9) is larger than the diameter of the sampling tube.

3. The aquaculture veterinary drug residue detection equipment according to claim 2, characterized in that: Two L-shaped support plates (13) are fixedly connected to the flat plate (4), and elastic connecting plates (14) are fixedly connected to the L-shaped support plates (13). A filter assembly for preventing floating objects in the water from entering the sampling tube is provided on the conical block (9), and the filter assembly comprises a telescopic sleeve (15) fixedly connected to the bottom of the conical block (9), a conical filter screen (16) is fixedly connected to the bottom end of the telescopic sleeve (15), and a first spring (17) sleeved on the outside of the telescopic sleeve (15) is fixedly connected between the conical filter screen (16) and the conical block (9), and the two connecting plates (14) are in contact with the bottom of the conical filter screen (16).

4. The aquaculture veterinary drug residue detection equipment according to claim 3, characterized in that: A horizontal plate (18) is fixedly connected between the two vertical plates (5); a second spring (19) in a compressed state is fixedly connected to the bottom of the horizontal plate (18); a circular plate (20) is fixedly connected to the bottom end of the second spring (19); the circular plate (20) is sleeved and abutted against the conical block (9); a T-shaped rod (21) is fixedly connected to the bottom of the circular plate (20); a third spring (22) is fixedly connected to one of the vertical plates (5); one end of the third spring (22) is fixedly connected to a T-shaped plate (23); two extrusion blocks (24) are fixedly connected to the T-shaped plate (23); a triangular block (25) is fixedly connected to the T-shaped plate (23); and the T-shaped rod (21) is directly opposite to the inclined surface of the triangular block (25).

5. The aquaculture veterinary drug residue detection equipment according to claim 4, characterized in that: The replacement assembly comprises a first electric push rod (26) fixedly connected to the bottom of the flat plate (4); the output end of the first electric push rod (26) is fixedly connected to a moving plate (27); the moving plate (27) is fixedly connected to a moving rod (28); one end of the moving rod (28) is fixedly connected to a push plate (29) in contact with one of the sampling tubes; two limit frames (30) are fixedly connected to the flat plate (4); a plurality of limit rollers in contact with the sampling tubes are mounted on the limit frames (30); the T-shaped plate (23) is slidably connected to the two limit frames (30); and the moving rod (28) slides along one of the limit frames (30).

6. The aquaculture veterinary drug residue detection equipment according to claim 5, characterized in that: A second electric push rod (38) is fixedly connected to the side wall of the hollow cylinder (34); an L-shaped plate (39) is fixedly connected to the output end of the second electric push rod (38); a disc (40) that slides through the hollow cylinder (34) is fixedly connected to one end of the L-shaped plate (39); the disc (40) is located at the bottom of the lowest rubber plug (37); and the bottom of the disc (40) is flush with the top of the sampling tube.

7. The aquaculture veterinary drug residue detection equipment according to claim 6, characterized in that: Two clamping plates (41) are slidably connected to the limiting frame (30), a connecting rod (42) is fixedly connected to the clamping plate (41), one end of the connecting rod (42) is fixedly connected to a hemisphere (43), and two fixing columns (44) are fixedly connected to the L-shaped plate (39), and the fixing columns (44) are directly opposite to the curved surface of the hemisphere (43) away from the middle.

8. The aquaculture veterinary drug residue detection equipment according to claim 7, characterized in that: The shell (2) is provided with a stabilizing component for stabilizing the veterinary drug residue detector body (1) and the shell (2) during the sampling process, and the stabilizing component includes a third motor (45) fixedly connected to the bottom of the shell (2), the output shaft of the third motor (45) is fixedly connected to a second threaded rod (46), the outer wall of the second threaded rod (46) is threadedly connected to a lifting plate (47), the lifting plate (47) is fixedly connected to a circular plate (48), and the circular plate (48) is fixedly connected to four positioning cones (49) that pass through the bottom of the shell (2).

9. The aquaculture veterinary drug residue detection equipment according to claim 8, characterized in that: A third threaded rod (50) is rotatably connected to the housing (2) via a connecting plate; one end of the third threaded rod (50) and the outer wall of the second threaded rod (46) are fixedly connected with mutually meshing bevel gears (51); the outer wall of the third threaded rod (50) is threadedly connected with an L-shaped support plate (52); the flat plate (4) is fixedly connected to the L-shaped support plate (52); and a closing plate facing the flat plate (4) is provided on the housing (2).

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