Livestock and poultry breeding house environment microorganism aerosol sampling device

Abstract

The invention belongs to the technical field of aerosol sampling, and discloses a livestock and poultry breeding house environment microorganism aerosol sampling device which comprises a collecting box, a protective door is hinged to one side of the collecting box, a fan is arranged in the collecting box, a collecting pipe and a conveying pipe are installed at the two ends of the fan respectively, and a moving seat is installed on the outer wall of the conveying pipe; a first threaded rod is in threaded connection with the inner wall of the movable seat, a first motor is arranged at one end of the first threaded rod, after sampling, a second motor is controlled to be started through a PLC, the second motor drives a first rotating shaft to rotate when being started, the first rotating shaft rotates to drive a second gear to rotate, and the second gear rotates to drive a first gear to rotate; a first gear rotates to drive a second threaded rod to rotate, so that a storage table drives a sample storage bottle to move, and the sample storage bottle is moved outwards, so that not only is the operation convenience degree during sampling improved, but also the integrity and accuracy of a sample are ensured.

Description

Technical Field

[0001] The present invention belongs to the technical field of aerosol sampling, and specifically relates to an environmental microbial aerosol sampling device for livestock and poultry breeding houses. Background Technique

[0002] An aerosol sampling device is equipment used to collect and enrich aerosol particles in the air, and has a wide range of applications in multiple fields, including but not limited to: disease prevention and control, environmental monitoring, public health, and scientific research and teaching;

[0003] After retrieval, for example, in the patent: CN217578888U, a livestock and veterinary microbial aerosol sampling device, including a collection box, a blower is fixedly connected to the top of the inner cavity of the collection box, the air inlet end of the blower is communicated with a collection pipe, a motor is fixedly connected to the left side of the collection box, the output end of the motor is fixedly connected to a threaded rod, a threaded sleeve is threadedly connected to the surface of the threaded rod, an electric push rod is fixedly connected to the bottom of the threaded sleeve, a delivery pipe is fixedly connected to the bottom of the electric push rod, a positioning sensor is fixedly connected to the left side of the delivery pipe, and a distance sensor is fixedly connected to the front side of the delivery pipe. Through the combined use of the collection box, the blower, the collection pipe, the motor, the threaded rod, the threaded sleeve, the electric push rod, the delivery pipe, the positioning sensor, the distance sensor, the clamping box, the placement groove, the first clamping plate, the telescopic rod, the spring and the second clamping plate, the sample collection work can be carried out quickly, with simple operation and high practicability;

[0004] After the existing aerosol sampling device finishes sampling, the storage platform with multiple collection bottles needs to be manually pulled out of the device. During this process, if the operator applies uneven force or slides too fast, it may cause impact or vibration to the samples in the collection bottles, thereby affecting the integrity and accuracy of the samples. Summary of the Invention

[0005] The purpose of the present invention is to provide an environmental microbial aerosol sampling device for livestock and poultry breeding houses to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the present invention provides the following technical solution: An environmental microbial aerosol sampling device for livestock and poultry breeding houses, including a collection box, a protective door is hinged on one side of the collection box, a blower is arranged inside the collection box, a collection pipe and a delivery pipe are respectively installed at both ends of the blower, a moving seat is installed on the outer wall of the delivery pipe, a first threaded rod is threadedly connected to the inner wall of the moving seat, the first threaded rod is rotatably installed inside the collection box, and a first motor is arranged at one end of the first threaded rod;

[0007] Inside the collection box, a storage table is slidably installed through a moving component. Sampling bottles are evenly installed at the top of the storage table. The sampling bottles are arranged below the conveying pipe, and a bottle sealing component is arranged above the sampling bottles.

[0008] The moving component includes sliders fixedly installed on both sides of the storage table. Both sliders are slidably installed on the inner wall of the collection box. A second threaded rod is threadedly connected to the inner wall of one of the sliders. One end of the second threaded rod is fixedly installed with a first gear. The top of the first gear is meshed and connected with a second gear. A first rotating shaft is fixedly installed inside the second gear. One end of the first rotating shaft is provided with a second motor.

[0009] As a further technical solution of the present invention, the bottle sealing component includes a fixed frame arranged above the sampling bottles. A sealing cover is installed on one side of the fixed frame through a fixing component. A sealing component is arranged on the outer wall of the bottom of the sealing cover. Both ends of the fixed frame are embedded in the inner wall of the collection box. A reciprocating screw rod is threadedly connected to the inner wall of one end of the fixed frame. The top of the reciprocating screw rod is fixedly installed with a second bevel gear. The top of the second bevel gear is meshed and connected with a first bevel gear. A fourth rotating shaft is fixedly installed on one side of the first bevel gear. A pulley group is installed on the outer wall of the fourth rotating shaft. A third rotating shaft is arranged at the bottom of the pulley group. A second rotating shaft is installed at one end of the third rotating shaft. A third gear is fixedly installed on the outer wall of the second rotating shaft. The third gear is arranged above the second gear, and the third gear is meshed and connected with the second gear;

[0010] Connecting shafts are embedded in the inner walls of the second rotating shaft and the third rotating shaft. Connecting rods are fixedly installed on the outer walls of the connecting shafts. The connecting rods are evenly distributed in an annular array.

[0011] As a further technical solution of the present invention, the first gear and the second rotating shaft are symmetrically distributed on both sides of the second gear.

[0012] As a further technical solution of the present invention, the fixing component includes fixing plates arranged on both sides of the sealing cover. Both fixing plates are slidably installed inside the fixed frame. First springs are arranged between both fixing plates and the fixed frame.

[0013] As a further technical solution of the present invention, a guide plate is arranged below the fixing plate. The guide plate is fixedly installed at the top of the sampling bottle.

[0014] As a further technical solution of the present invention, damping pads are installed at both ends of the first spring.

[0015] As a further technical solution of the present invention, the sealing assembly includes an airbag fixedly installed on the outer wall of the bottom of the sealing cover. A connecting pipe is connected to the top end of the airbag, and the connecting pipe is embedded inside the sealing cover. A piston head is slidably installed inside the sealing cover. One side of the piston head is fixedly connected to a piston rod. A second spring is arranged on the outer wall of the piston rod. One end of the piston rod is fixedly installed with a magnetic block, and the magnetic block is arranged on one side of the fixed plate.

[0016] As a further technical solution of the present invention, one end of the connecting shaft is rotatably connected to a moving rod. A connecting plate is arranged on the outer wall of the moving rod. A moving plate is fixedly installed on the outer wall of the connecting plate. A pushing plate is arranged on one side of the moving plate, and the pushing plate is fixedly installed on the top end of the slider.

[0017] As a further technical solution of the present invention, the connecting rod is slidably connected between the second rotating shaft and the third rotating shaft.

[0018] As a further technical solution of the present invention, there are two moving plates, and the two moving plates are respectively arranged at both ends of the connecting plate.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. Through the setting of the moving component in the present invention, after sampling, the PLC controls the second motor to start. When the second motor starts, it drives the first rotating shaft to rotate. The rotation of the first rotating shaft drives the rotation of the second gear. The rotation of the second gear drives the rotation of the first gear. The rotation of the first gear drives the rotation of the second threaded rod. The rotation of the second threaded rod drives the movement of the slider. The movement of the slider drives the movement of the placement table. The movement of the placement table drives the movement of the sample storage bottle, so that the sample storage bottle moves outwards, facilitating its removal. This not only improves the convenience of the operation during sampling but also ensures the integrity and accuracy of the sample.

[0021] 2. Through the setting of the bottle sealing component in the present invention, after sampling, the PLC controls the second motor to start. When the second motor starts, it drives the first rotating shaft to rotate. The rotation of the first rotating shaft drives the rotation of the second gear. The rotation of the second gear drives the rotation of the second rotating shaft. The rotation of the second rotating shaft drives the rotation of the third gear. The rotation of the third gear drives the rotation of the connecting rod. The rotation of the connecting rod drives the rotation of the third rotating shaft. When the third rotating shaft rotates, it drives the rotation of the fourth rotating shaft through the pulley group transmission. The rotation of the fourth rotating shaft drives the rotation of the first bevel gear. The rotation of the first bevel gear drives the rotation of the second bevel gear. The rotation of the second bevel gear drives the rotation of the reciprocating screw rod. The rotation of the reciprocating screw rod drives the fixed frame to move downward reciprocally once. The movement of the fixed frame drives the sealing cover to move downward through the fixing component, so that the sealing cover is located at the top of the sample storage bottle, covering the feeding port of the sample storage bottle to ensure the purity and accuracy of the sample after collection.

[0022] 3. Through the arrangement of the sealing assembly in the present invention, when the fixing plate releases the sealing cover, the second spring releases elastic potential energy to make the piston head slide within the sealing cover, pushing the gas within the sealing cover to be transmitted through the connecting pipe to the airbag. The airbag inflates and expands, ensuring the tightness of the sample storage bottle, effectively preventing the leakage of aerosol samples during storage or transportation. This can not only protect the samples from external environmental interference, but also prevent harmful substances in the samples from causing harm to the environment and personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0024] Figure 2 is a schematic cross-sectional view of the overall structure of the present invention;

[0025] Figure 3 is of the present invention Figure 2 is an enlarged schematic view of the structure at A in the present invention;

[0026] Figure 4 is a schematic diagram of the structure at the placement table of the present invention;

[0027] Figure 5 is of the present invention Figure 4 is an enlarged schematic view of the structure at B in the present invention;

[0028] Figure 6 is a schematic cross-sectional view of the structure at the second rotating shaft and the third rotating shaft of the present invention;

[0029] Figure 7 is a schematic cross-sectional view of the structure at the fixing bracket of the present invention;

[0030] Figure 8 is of the present invention Figure 7 is an enlarged schematic view of the structure at C in the present invention.

[0031] In the figure: 1. Collection box; 2. Protection door; 3. Fan; 4. Collection pipe; 5. Delivery pipe; 6. Sample storage bottle; 7. Placing table; 8. Moving seat; 9. First threaded rod; 10. First motor; 11. Slide block; 12. Second threaded rod; 13. First gear; 14. Second gear; 15. First rotating shaft; 16. Second motor; 17. Second rotating shaft; 18. Third gear; 19. Third rotating shaft; 20. Pulley set; 21. Fourth rotating shaft; 22. First bevel gear; 23. Second bevel gear; 24. Reciprocating lead screw; 25. Fixed frame; 26. Fixed plate; 27. First spring; 28. Damping pad; 29. Sealing cover; 30. Magnetic block; 31. Piston rod; 32. Second spring; 33. Piston head; 34. Connecting pipe; 35. Airbag; 36. Connecting rod; 37. Connecting shaft; 38. Moving rod; 39. Pushing plate; 40. Connecting plate; 41. Moving plate; 42. Guide plate. Detailed implementation manners

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0033] As Figures 1 to 8 shown, in the embodiment of the present invention, an environmental microbial aerosol sampling device for livestock and poultry breeding houses includes a collection box 1. A protection door 2 is hinged to one side of the collection box 1. A fan 3 is arranged inside the collection box 1. A collection pipe 4 and a delivery pipe 5 are respectively installed at both ends of the fan 3. A moving seat 8 is installed on the outer wall of the delivery pipe 5. The inner wall of the moving seat 8 is threadedly connected to a first threaded rod 9. The first threaded rod 9 is rotatably installed inside the collection box 1. One end of the first threaded rod 9 is provided with a first motor 10.

[0034] A placing table 7 is slidably installed inside the collection box 1 through a moving component. A plurality of sample storage bottles 6 are evenly installed on the top of the placing table 7. The sample storage bottles 6 are arranged below the delivery pipe 5. A bottle sealing component is arranged above the sample storage bottles 6.

[0035] The moving component includes slide blocks 11 fixedly installed on both sides of the placing table 7. Both slide blocks 11 are slidably installed on the inner wall of the collection box 1. The inner wall of one of the slide blocks 11 is threadedly connected to a second threaded rod 12. One end of the second threaded rod 12 is fixedly installed with a first gear 13. The top of the first gear 13 is meshed and connected to a second gear 14. The inner wall of the second gear 14 is fixedly installed with a first rotating shaft 15. One end of the first rotating shaft 15 is provided with a second motor 16.

[0036] Through the setting of the moving component, after sampling, the second motor 16 is controlled by the PLC to start. When the second motor 16 starts, it drives the first rotating shaft 15 to rotate. The rotation of the first rotating shaft 15 drives the rotation of the second gear 14. The rotation of the second gear 14 drives the rotation of the first gear 13. The rotation of the first gear 13 drives the rotation of the second threaded rod 12. The rotation of the second threaded rod 12 drives the movement of the slider 11. The movement of the slider 11 drives the movement of the placement table 7. The movement of the placement table 7 drives the movement of the sample storage bottle 6, so that the sample storage bottle 6 moves outwards, which is convenient for taking it out. This not only improves the convenience of operation during sampling, but also ensures the integrity and accuracy of the sample;

[0037] Existing: CN217578888U discloses a livestock and poultry veterinary microbial aerosol sampling device. The specific sampling method proposed in this application document is disclosed in this patent, and these technical means will not be elaborated here one by one.

[0038] As Figures 1 to 7 shown, the bottle sealing component includes a fixed frame 25 arranged above the sample storage bottle 6. One side of the fixed frame 25 is installed with a sealing cover 29 through a fixing component. The outer wall of the bottom of the sealing cover 29 is provided with a sealing component. Both ends of the fixed frame 25 are embedded in the inner wall of the collection box 1. The inner wall of one end of the fixed frame 25 is threadedly connected with a reciprocating lead screw 24. The top of the reciprocating lead screw 24 is fixedly installed with a second bevel gear 23. The top of the second bevel gear 23 is meshed and connected with a first bevel gear 22. One side of the first bevel gear 22 is fixedly installed with a fourth rotating shaft 21. A pulley group 20 is installed on the outer wall of the fourth rotating shaft 21. The bottom of the pulley group 20 is provided with a third rotating shaft 19. One end of the third rotating shaft 19 is installed with a second rotating shaft 17. A third gear 18 is fixedly installed on the outer wall of the second rotating shaft 17. The third gear 18 is arranged on the top of the second gear 14, and the third gear 18 is meshed and connected with the second gear 14;

[0039] Both the inner walls of the second rotating shaft 17 and the third rotating shaft 19 are embedded with a connecting shaft 37. A connecting rod 36 is fixedly installed on the outer wall of the connecting shaft 37. The connecting rods 36 are evenly distributed in an annular array.

[0040] Through the setting of the bottle sealing assembly, after sampling, the PLC controls the second motor 16 to start. When the second motor 16 starts, it drives the first rotating shaft 15 to rotate. The rotation of the first rotating shaft 15 drives the rotation of the second gear 14. The rotation of the second gear 14 drives the rotation of the second rotating shaft 17. The rotation of the second rotating shaft 17 drives the rotation of the third gear 18. The rotation of the third gear 18 drives the rotation of the connecting rod 36. The rotation of the connecting rod 36 drives the rotation of the third rotating shaft 19. When the third rotating shaft 19 rotates, it drives the rotation of the fourth rotating shaft 21 through the pulley group 20. The rotation of the fourth rotating shaft 21 drives the rotation of the first bevel gear 22. The rotation of the first bevel gear 22 drives the rotation of the second bevel gear 23. The rotation of the second bevel gear 23 drives the rotation of the reciprocating screw rod 24. The rotation of the reciprocating screw rod 24 drives the fixed frame 25 to move downward reciprocally once. The movement of the fixed frame 25 drives the sealing cover 29 to move downward through the fixing component, so that the sealing cover 29 is located at the top of the sample storage bottle 6 and covers the feeding port of the sample storage bottle 6 to ensure the purity and accuracy of the sample after collection.

[0041] As Figure 5 shown, the first gear 13 and the second rotating shaft 17 are symmetrically distributed on both sides of the second gear 14.

[0042] The second gear 14 is set as a sector gear;

[0043] When the second motor 16 is started, the second gear 14 first rotates to engage with the first gear 13 and drives the placing table 7 to move outward. The movement of the placing table 7 drives the movement of the sample storage bottle 6, so that the sample storage bottle 6 moves below the sealing cover 29;

[0044] Then the second gear 14 rotates to engage with the second rotating shaft 17, so that the fixed frame 25 drives the sealing cover 29 downward to cover the feeding port of the sample storage bottle 6;

[0045] Then the second gear 14 continues to engage with the first gear 13 to drive the placing table 7 to continue to move outward, facilitating the removal of the sample storage bottle 6.

[0046] As Figure 7 shown, the fixing component includes fixing plates 26 arranged on both sides of the sealing cover 29. The two fixing plates 26 are both slidably installed inside the fixed frame 25. First springs 27 are arranged between the two fixing plates 26 and the fixed frame 25.

[0047] Before sampling, first place the sealing cover 29 between every two fixing plates 26, and the elastic potential energy of the first spring 27 makes the two fixing plates 26 clamp and fix the sealing cover 29.

[0048] As Figures 1 to 4 shown, a guide plate 42 is arranged below the fixing plate 26, and the guide plate 42 is fixedly installed at the top of the sample storage bottle 6.

[0049] One side of the top of the guide plate 42 is inclined.

[0050] When the fixing frame 25 moves downward, the movement of the fixing frame 25 drives the movement of the fixing plate 26. After the bottom end of the fixing plate 26 contacts the guide plate 42, it is forced to open outward, so as to cover the sealing cap 29 on the top of the sample storage bottle 6.

[0051] As Figure 7 shown, damping pads 28 are installed at both ends of the first spring 27.

[0052] The damping pads 28 slow down the reset speed of the first spring 27, so that when the fixing plate 26 loosens the sealing cap 29 and covers the top of the sample storage bottle 6, it slowly resets, preventing the fixing plate 26 from clamping the sealing cap 29 again when the fixing frame 25 moves upward, so as to improve the stability and reliability of bottle sealing.

[0053] As Figure 7 and Figure 8 shown, the sealing assembly includes an airbag 35 fixedly installed on the outer wall of the bottom of the sealing cap 29. A connecting pipe 34 is connected to the top end of the airbag 35. The connecting pipe 34 is embedded inside the sealing cap 29. A piston head 33 is slidably installed inside the sealing cap 29. A piston rod 31 is fixedly connected to one side of the piston head 33. A second spring 32 is arranged on the outer wall of the piston rod 31. A magnetic block 30 is fixedly installed at one end of the piston rod 31. The magnetic block 30 is arranged on one side of the fixing plate 26.

[0054] The fixing plate 26 and the magnetic block 30 are magnetically connected;

[0055] When the fixing plate 26 fixes the sealing cap 29, the magnetic force of the fixing plate 26 generates a suction force on the magnetic block 30, causing the magnetic block 30 to move toward one side of the fixing plate 26. The movement of the magnetic block 30 drives the movement of the piston rod 31. The movement of the piston rod 31 drives the movement of the piston head 33. When the piston head 33 moves, the second spring 32 deforms to store elastic potential energy;

[0056] When the fixing plate 26 loosens the sealing cap 29, the second spring 32 releases the elastic potential energy to make the piston head 33 slide inside the sealing cap 29, pushing the gas inside the sealing cap 29 to be transmitted to the airbag 35 through the connecting pipe 34. The airbag 35 inflates and expands to ensure the sealing of the sample storage bottle 6, effectively preventing the leakage of aerosol samples during storage or transportation. This can not only protect the sample from the interference of the external environment, but also prevent the harmful substances in the sample from causing harm to the environment and personnel.

[0057] As Figure 4 and Figure 5As shown, one end of the connecting shaft 37 is rotatably connected to a moving rod 38. A connecting plate 40 is arranged on the outer wall of the moving rod 38. A moving plate 41 is fixedly installed on the outer wall of the connecting plate 40. A push plate 39 is arranged on one side of the moving plate 41. The push plate 39 is fixedly installed at the top of the slider 11.

[0058] When the storage table 7 moves outwards, the movement of the storage table 7 drives the movement of the slider 11. The movement of the slider 11 drives the movement of the push plate 39. When the push plate 39 moves and contacts the moving plate 41, it pushes the moving plate 41 to move. The movement of the moving plate 41 drives the movement of the connecting plate 40. The movement of the connecting plate 40 drives the movement of the moving rod 38. The movement of the moving rod 38 drives the movement of the connecting shaft 37. The movement of the connecting shaft 37 drives the movement of the connecting rod 36, causing the connecting rod 36 to slide out of the second rotating shaft 17, so that the third rotating shaft 19 does not rotate when the second rotating shaft 17 rotates. Thus, when the storage table 7 is placed into the collection box 1, the fixing frame 25 does not move up and down to ensure the stability of the device operation.

[0059] As Figure 6 shown, the connecting rod 36 is slidably connected to both the second rotating shaft 17 and the third rotating shaft 19.

[0060] As Figure 4 and Figure 5 shown, there are two moving plates 41, and the two moving plates 41 are respectively arranged at both ends of the connecting plate 40.

[0061] When the storage table 7 moves inwards, similarly, the push plate 39 moves accordingly. When the push plate 39 contacts the moving plate 41, it pushes the moving plate 41 to move, causing the connecting rod 36 to re-embed into the second rotating shaft 17, so that the second rotating shaft 17 can rotate synchronously with the third rotating shaft 19.

[0062] Working principle and usage process:

[0063] Before sampling, first place the sealing cover 29 between every two fixing plates 26, and use the elastic potential energy of the first spring 27 to clamp and fix the sealing cover 29 by the two fixing plates 26.

[0064] Then, control the first motor 10 to start through the PLC. The start of the first motor 10 drives the rotation of the first threaded rod 9. The rotation of the first threaded rod 9 drives the movement of the moving seat 8. The movement of the moving seat 8 drives the movement of the conveying pipe 5, so that the conveying pipe 5 moves above multiple sample storage bottles 6 in sequence for sample collection.

[0065] After sampling, the PLC controls the second motor 16 to start. When the second motor 16 starts, it drives the first rotating shaft 15 to rotate. The rotation of the first rotating shaft 15 drives the rotation of the second gear 14. The rotation of the second gear 14 meshes with the first gear 13 to drive the rotation of the first gear 13. The rotation of the first gear 13 drives the rotation of the second threaded rod 12. The rotation of the second threaded rod 12 drives the movement of the slider 11. The movement of the slider 11 drives the movement of the storage table 7. The movement of the storage table 7 drives the movement of the sample storage bottle 6, causing the sample storage bottle 6 to move outwards;

[0066] Then the second gear 14 rotates and meshes with the second rotating shaft 17 to drive the second rotating shaft 17 to rotate. The rotation of the second rotating shaft 17 drives the rotation of the third gear 18. The rotation of the third gear 18 drives the rotation of the connecting rod 36. The rotation of the connecting rod 36 drives the rotation of the third rotating shaft 19. When the third rotating shaft 19 rotates, it drives the rotation of the fourth rotating shaft 21 through the pulley group 20. The rotation of the fourth rotating shaft 21 drives the rotation of the first bevel gear 22. The rotation of the first bevel gear 22 drives the rotation of the second bevel gear 23. The rotation of the second bevel gear 23 drives the rotation of the reciprocating screw rod 24. The rotation of the reciprocating screw rod 24 drives the fixed frame 25 to move downwards reciprocally once. The movement of the fixed frame 25 drives the sealing cover 29 to move downwards through the fixing component, so that the sealing cover 29 is located at the top of the sample storage bottle 6, covering the feeding port of the sample storage bottle 6;

[0067] When the fixed frame 25 moves downwards, the movement of the fixed frame 25 drives the movement of the fixed plate 26. When the bottom end of the fixed plate 26 contacts the guide plate 42, it is forced to open outwards;

[0068] When the fixed plate 26 releases the sealing cover 29, the second spring 32 releases its elastic potential energy, causing the piston head 33 to slide within the sealing cover 29, pushing the gas within the sealing cover 29 to be transmitted through the connecting pipe 34 to the airbag 35. The airbag 35 inflates and expands to ensure the sealing performance of the sample storage bottle 6;

[0069] Meanwhile, the movement of the storage table 7 drives the movement of the slider 11. The movement of the slider 11 drives the movement of the push plate 39. When the push plate 39 moves and contacts the moving plate 41, it pushes the moving plate 41 to move. The movement of the moving plate 41 drives the movement of the connecting plate 40. The movement of the connecting plate 40 drives the movement of the moving rod 38. The movement of the moving rod 38 drives the movement of the connecting shaft 37. The movement of the connecting shaft 37 drives the movement of the connecting rod 36, causing the connecting rod 36 to slide out from the second rotating shaft 17, so that when the second rotating shaft 17 rotates, the third rotating shaft 19 no longer rotates. Thus, when the storage table 7 is placed into the collection box 1, the fixed frame 25 does not move up and down.

[0070] Although embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A microbial aerosol sampling device for livestock and poultry breeding house environment, comprising a collection box (1), characterized in that: A protective door (2) is hingedly connected to one side of the collection box (1), a fan (3) is arranged inside the collection box (1), a collection tube (4) and a conveying tube (5) are respectively installed at both ends of the fan (3), a movable seat (8) is installed on the outer wall of the conveying tube (5), a first threaded rod (9) is threadedly connected to the inner wall of the movable seat (8), the first threaded rod (9) is rotatably installed inside the collection box (1), and a first motor (10) is arranged at one end of the first threaded rod (9); A storage table (7) is slidably installed inside the collection box (1) through a moving component, and sample storage bottles (6) are evenly installed on the top of the storage table (7). The sample storage bottles (6) are arranged below the conveying pipe (5), and a bottle sealing component is arranged above the sample storage bottles (6); The moving assembly comprises sliders (11) fixedly mounted on both sides of the storage platform (7), the two sliders (11) being slidably mounted on the inner wall of the collection box (1), the inner wall of one of the sliders (11) being threadedly connected to a second threaded rod (12), one end of the second threaded rod (12) being fixedly mounted to a first gear (13), the top end of the first gear (13) being meshingly connected to a second gear (14), the inner wall of the second gear (14) being fixedly mounted to a first rotating shaft (15), and one end of the first rotating shaft (15) being provided with a second motor (16).

2. The microbial aerosol sampling device for livestock and poultry breeding house environment according to claim 1 is characterized by: The bottle sealing assembly comprises a fixing frame (25) arranged above the sample storage bottle (6), a sealing cover (29) is installed on one side of the fixing frame (25) through a fixing assembly, a sealing assembly is arranged on the outer wall of the bottom of the sealing cover (29), both ends of the fixing frame (25) are embedded in the inner wall of the collection box (1), a reciprocating screw (24) is threadedly connected to the inner wall of one end of the fixing frame (25), a second bevel gear (23) is fixedly installed on the top end of the reciprocating screw (24), and the top end of the second bevel gear (23) is meshedly connected to the first bevel gear (2 2), a fourth rotating shaft (21) is fixedly mounted on one side of the first bevel gear (22), a pulley group (20) is mounted on the outer wall of the fourth rotating shaft (21), a third rotating shaft (19) is arranged at the bottom of the pulley group (20), a second rotating shaft (17) is mounted on one end of the third rotating shaft (19), a third gear (18) is fixedly mounted on the outer wall of the second rotating shaft (17), the third gear (18) is arranged at the top end of the second gear (14), and the third gear (18) is meshingly connected with the second gear (14); The inner walls of the second rotating shaft (17) and the third rotating shaft (19) are both embedded with connecting shafts (37), and the outer walls of the connecting shafts (37) are fixedly mounted with connecting rods (36), and the connecting rods (36) are evenly distributed in a ring array.

3. The microbial aerosol sampling device for livestock and poultry breeding house environment according to claim 2 is characterized by: The first gear (13) and the second rotating shaft (17) are symmetrically distributed on both sides of the second gear (14).

4. The microbial aerosol sampling device for livestock and poultry breeding house environment according to claim 2 is characterized by: The fixing assembly comprises fixing plates (26) arranged on both sides of the sealing cover (29), the two fixing plates (26) are both slidably mounted inside the fixing frame (25), and a first spring (27) is arranged between the two fixing plates (26) and the fixing frame (25).

5. The microbial aerosol sampling device for livestock and poultry breeding house environment according to claim 4 is characterized by: A guide plate (42) is provided below the fixing plate (26), and the guide plate (42) is fixedly mounted on the top of the sample storage bottle (6).

6. The microbial aerosol sampling device for livestock and poultry breeding house environment according to claim 4 is characterized by: Damping pads (28) are installed at both ends of the first spring (27).

7. The microbial aerosol sampling device for livestock and poultry breeding house environment according to claim 2 is characterized by: The sealing assembly comprises an air bag (35) fixedly mounted on the outer wall of the bottom of the sealing cover (29); the top end of the air bag (35) is connected to a connecting pipe (34); the connecting pipe (34) is embedded in the interior of the sealing cover (29); a piston head (33) is slidably mounted inside the sealing cover (29); a piston rod (31) is fixedly connected to one side of the piston head (33); a second spring (32) is arranged on the outer wall of the piston rod (31); a magnetic block (30) is fixedly mounted on one end of the piston rod (31); and the magnetic block (30) is arranged on one side of the fixing plate (26).

8. The microbial aerosol sampling device for livestock and poultry breeding house environment according to claim 2 is characterized by: One end of the connecting shaft (37) is rotatably connected to a moving rod (38), an outer wall of the moving rod (38) is provided with a connecting plate (40), an outer wall of the connecting plate (40) is fixedly mounted with a moving plate (41), one side of the moving plate (41) is provided with a push plate (39), and the push plate (39) is fixedly mounted on the top of the slider (11).

9. The microbial aerosol sampling device for livestock and poultry breeding house environment according to claim 2, characterized in that: The connecting rod (36) is slidably connected to the second rotating shaft (17) and the third rotating shaft (19).

10. The microbial aerosol sampling device for livestock and poultry breeding house environment according to claim 8, characterized in that: Two movable plates (41) are provided, and the two movable plates (41) are respectively provided at two ends of the connecting plate (40).

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