Classical swine fever virus defense device

Abstract

The utility model relates to the technical field of virus defense, in particular to a classical swine fever virus defense device, which not only sterilizes and disinfects individual domestic pigs, radically prevents the occurrence of classical swine fever, but also blows the domestic pigs dry to prevent water stains on the skin surfaces of the domestic pigs from causing diseases of the domestic pigs. Comprising a cart mechanism. The system further comprises two conveying mechanisms, a disinfection mechanism, a heating mechanism and two air supply mechanisms, the two conveying mechanisms are both installed on the trolley mechanism and facilitate carrying of domestic pigs, the disinfection mechanism is installed on the trolley mechanism and disinfects the domestic pigs, and the heating mechanism is installed on the disinfection mechanism and conveys hot air into the two air supply mechanisms. The two sets of air supply mechanisms are both installed on the trolley mechanism and blow-dry the domestic pigs through air.

Description

Technical Field

[0001] The utility model relates to the technical field of virus defense, in particular to a defense device for classical swine fever virus. Background Art

[0002] Classical swine fever virus belongs to the genus Pestivirus of the family Flaviviridae, and is mainly transmitted through contact, such as contact with diseased pigs, wild boars, and vector insects, and by consuming feed, swill, and drinking water contaminated with the virus.

[0003] Existing defense devices for classical swine fever virus, such as a defense device for classical swine fever virus disclosed in the utility model patent with the application number 202020403818.9, mainly include a frame, a push rod, a bottom plate, a chassis, a disinfection component, a partition board, a water supply component, a wastewater pipe, ear plates, a rotating frame, a rotating plate, a steering rod, a drinking trough, universal wheels, a water blocking plug, and an electric control box. One side of the top of the bottom plate is fixedly installed with a frame through bolts, and a push rod is installed on one side of the frame by welding. A chassis is arranged on one side of the frame, and the bottom of the chassis is fixedly connected to the bottom plate through bolts. A partition board is installed in the center of the interior of the chassis through bolts; during use, disinfectant or disinfection powder and clean water are injected into the disinfection chamber on one side of the partition board through the disinfection port on one side of the chassis. After the injection is completed, the drive motor at the bottom of one side of the sealing plate works, driving the mixing frame to rotate through a transmission shaft, so that the mixing frame fully mixes the disinfectant or disinfection powder and clean water. After the mixing is completed, the water pump works, pumping the disinfectant into the interior of the connecting hose through a water suction pipe, and then inputting it into the atomizing nozzle through the connecting hose, and spraying it into the interior of the pigsty through the atomizing nozzle. Push the rotating plate, and the steering rods on both sides of the rotating frame rotate in the ear plates, so that the angles of the rotating plate and the atomizing nozzle can be changed.

[0004] However, most of the existing devices disinfect the pigsty, but do not disinfect individual pigs, and the pigs are most likely to carry viruses and cause classical swine fever. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a defense device for classical swine fever virus that not only sterilizes and disinfects individual domestic pigs, prevents the occurrence of classical swine fever from the root cause, but also dries the domestic pigs to prevent water stains from remaining on the skin surface of the domestic pigs and causing the domestic pigs to get sick.

[0006] The utility model discloses a defense device against swine fever virus, comprising a cart mechanism; further comprising two groups of conveying mechanisms, a disinfecting mechanism, a heating mechanism and two groups of air supply mechanisms, wherein the two groups of conveying mechanisms are both mounted on the cart mechanism and are convenient for carrying domestic pigs, the disinfecting mechanism is mounted on the cart mechanism and disinfects the domestic pigs, the heating mechanism is mounted on the disinfecting mechanism and transmits hot air to the two groups of air supply mechanisms, the two groups of air supply mechanisms are both mounted on the cart mechanism and use wind to dry the domestic pigs; after the domestic pigs are anesthetized, they are placed on the conveying mechanism, the conveying mechanism conveys the domestic pigs to the cart mechanism, and then is closed to prevent the domestic pigs from waking up suddenly and escaping, and then the disinfecting mechanism is started to disinfect and sterilize the domestic pigs to prevent the domestic pigs from carrying viruses, and then the heating mechanism is started, the heating mechanism heats the air and then transmits it to the two groups of air supply mechanisms, the two groups of air supply mechanisms dry the domestic pigs to prevent residual moisture on the skin surface of the domestic pigs, and the two groups of air supply mechanisms can reinforce the two groups of conveying mechanisms to block the domestic pigs.

[0007] Preferably, the cart mechanism includes a car body, four sets of universal wheels, a push rod, a drainage trough, a drainage pipe and a conveying roller. A cavity is provided inside the car body, and feed ports are provided on both sides of the car body. The top ends of the four sets of universal wheels are rotatably mounted on the bottom end of the car body, the push rod is mounted on the side wall of the car body, the top end of the drainage trough is connected to the inside of the bottom end of the car body, the top end of the drainage pipe is connected to the inside of the bottom end of the drainage trough, and the conveying roller is rotatably mounted in the cavity of the car body; the staff pushes the car body to the door of the pig house by the push rod, and then a group of conveying mechanisms transports the anesthetized domestic pigs to the conveying roller one. After the domestic pigs are disinfected and blown dry, the conveying roller one transports the domestic pigs to another group of conveying mechanisms, and the disinfectant water is collected in the drainage trough and discharged through the drainage pipe.

[0008] Preferably, the conveying mechanism includes a rotating shaft 1, a servo motor 1, a connecting frame, conveying roller 2, two groups of hydraulic cylinders and two groups of anti-skid pads, the rotating shaft 1 is rotatably mounted on the vehicle body, the servo motor 1 is mounted on the vehicle body and is transmission-connected to the rotating shaft 1, the connecting frame is mounted on the rotating shaft 1, the conveying roller 2 is rotatably mounted on the connecting frame, the top ends of the two groups of hydraulic cylinders are connected to the bottom ends of the connecting frame, and the top ends of the two groups of anti-skid pads are respectively connected to the bottom ends of the two groups of hydraulic cylinders; the staff places the anesthetized domestic pig on the conveying roller 2 of one group of the conveying mechanisms, and the conveying roller 2 conveys the domestic pig to the conveying roller 1. The stability of the connecting frame is enhanced by providing two groups of hydraulic cylinders and two groups of anti-skid pads. After the domestic pig is completely conveyed to the conveying roller 1, the servo motors 1 on the two groups of conveying mechanisms drive the rotating shaft 1 to rotate upward 90°, so that the connecting frame seals the feed port of the vehicle body, and the two groups of conveying mechanisms respectively seal the feed ports on the left and right sides of the vehicle body to prevent the domestic pig from waking up and escaping during the disinfection process.

[0009] Preferably, the disinfection mechanism includes a medicine box, a motor, a reducer, a water pump, a suction tube, an infusion tube and multiple groups of nozzles, the bottom end of the medicine box is connected to the top of the vehicle body, the bottom end of the motor is connected to the top of the vehicle body, the bottom end of the reducer is connected to the top of the vehicle body, the bottom end of the water pump is connected to the top of the vehicle body, the suction tube is installed on the water pump and communicated with the inside of the medicine box, the infusion tube is installed on the water pump, and multiple groups of nozzles are installed on the top of the cavity of the vehicle body and communicated with the inside of the infusion tube; the staff adds disinfectant water into the medicine box and starts the motor, the motor drives the water pump to pump water through the reducer, the water pump draws the disinfectant water out of the medicine box through the suction tube, and then transports it to the multiple groups of nozzles through the infusion tube, the nozzles spray the disinfectant water onto the domestic pigs, disinfecting the domestic pigs, thereby preventing the occurrence of swine fever from the root.

[0010] Preferably, the heating mechanism includes a heating box, a mesh grille, four groups of electric heating wires, an air pump and an air hose, the bottom end of the heating box is connected to the top of the vehicle body, a heating chamber is arranged inside the heating box, the mesh grille is installed on the heating box, the four groups of electric heating wires are all installed in the heating chamber of the heating box, the bottom end of the air pump is connected to the top of the vehicle body and is connected to a reducer for transmission, the air inlet of the air pump is connected to the inside of the heating box, and the air hose is installed on the air pump; the reducer drives the air pump to exhaust air, the air is heated by the four groups of electric heating wires and then exhausted by the air pump, and then the hot air is transported to the two groups of air supply mechanisms through the air hose, and at the same time, the air is preliminarily filtered by setting the mesh grille.

[0011] Preferably, the air supply mechanism includes a stand, two servo motors, two reducers, two rotating shafts, a connecting plate and an air expansion bucket, the bottom end of the stand is connected to the top end of the vehicle body, the two servo motors are mounted on the stand, the two reducers are mounted on the stand, the two rotating shafts are rotatably mounted on the stand and are longitudinally connected to the two reducers, the connecting plate is mounted on the two rotating shafts, the air expansion bucket is mounted on the connecting plate and is connected to the inside of the air supply hose; start the two servo motors, the two servo motors drive the two rotating shafts to rotate through the two reducers, the two rotating shafts drive the connecting plate to rotate downward 90°, the air supply hose delivers hot air to the air expansion bucket, the air expansion bucket blows the hot air through the two conveying rollers to the surface of the pig's skin, accelerates the evaporation of moisture on the surface of the pig's skin, prevents the pig from catching a cold and getting sick, and at the same time enhances the protective effect of the connecting frame on the pig through the connecting plate, preventing the pig from colliding and damaging the connecting frame after waking up.

[0012] Compared with the prior art, the utility model has the following beneficial effects: after the domestic pig is anesthetized, it is placed on the conveying mechanism, the conveying mechanism conveys the domestic pig to the cart mechanism, and then is closed to prevent the domestic pig from suddenly waking up and escaping, and then the disinfection mechanism is started to disinfect and sterilize the domestic pig to prevent the domestic pig from carrying viruses, and then the heating mechanism is started, the heating mechanism heats the air and conveys it to the two sets of air supply mechanisms, the two sets of air supply mechanisms blow the domestic pig dry to prevent moisture from remaining on the surface of the domestic pig's skin, and the two sets of air supply mechanisms can reinforce the two sets of conveying mechanisms to block the domestic pig. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is an isometric structural schematic diagram of the present utility model;

[0014] Figure 2 is a right - view structural schematic diagram of the cart mechanism of the present utility model;

[0015] Figure 3 is a partially enlarged isometric structural schematic diagram of the cart mechanism and the conveying mechanism of the present utility model;

[0016] Figure 4 is a partially enlarged sectional isometric structural schematic diagram of the disinfection mechanism and the heating mechanism of the present utility model;

[0017] Figure 5 is a sectional isometric structural schematic diagram of the disinfection mechanism and the heating mechanism of the present utility model;

[0018] Figure 6 is a partially enlarged isometric structural schematic diagram of the air - supply mechanism of the present utility model.

[0019] Reference numerals in the drawings: 01, cart mechanism; 11, vehicle body; 12, universal wheel; 13, push rod; 14, drainage groove; 15, drain pipe; 16, first conveying roller; 02, conveying mechanism; 21, first rotating shaft; 22, first servo motor; 23, connecting frame; 24, second conveying roller; 25, hydraulic cylinder; 26, anti - slip pad; 03, disinfection mechanism; 31, medicine box; 32, motor; 33, first speed reducer; 34, water pump; 35, liquid suction pipe; 36, infusion pipe; 37, nozzle; 04, heating mechanism; 41, heating box; 42, grid; 43, electric heating wire; 44, air pump; 45, air - supply hose; 05, air - supply mechanism; 51, platform; 52, second servo motor; 53, second speed reducer; 54, second rotating shaft; 55, connecting plate; 56, air - diffusing hopper. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive. Embodiment

[0021] A defense device for classical swine fever virus of the utility model includes a trolley mechanism 01; it also includes two groups of conveying mechanisms 02, a disinfection mechanism 03, a heating mechanism 04 and two groups of air supply mechanisms 05. The two groups of conveying mechanisms 02 are both installed on the trolley mechanism 01 and are convenient for transporting domestic pigs. The disinfection mechanism 03 is installed on the trolley mechanism 01 and disinfects domestic pigs. The heating mechanism 04 is installed on the disinfection mechanism 03 and conveys hot air into the two groups of air supply mechanisms 05. The two groups of air supply mechanisms 05 are both installed on the trolley mechanism 01 and use wind to dry domestic pigs; the trolley mechanism 01 includes a vehicle body 11, four groups of universal wheels 12, a push rod 13, a drainage groove 14, a drainage pipe 15 and a first conveying roller 16. A cavity is arranged inside the vehicle body 11. Feeding ports are opened on both the left and right sides of the vehicle body 11. The tops of the four groups of universal wheels 12 are rotatably installed at the bottom end of the vehicle body 11. The push rod 13 is installed on the side wall of the vehicle body 11. The top end of the drainage groove 14 is internally connected to the bottom end inside the vehicle body 11. The top end of the drainage pipe 15 is internally connected to the bottom end of the drainage groove 14. The first conveying roller 16 is rotatably installed inside the cavity of the vehicle body 11; the conveying mechanism 02 includes a first rotating shaft 21, a first servo motor 22, a connecting frame 23, a second conveying roller 24, two groups of hydraulic cylinders 25 and two groups of anti-slip pads 26. The first rotating shaft 21 is rotatably installed on the vehicle body 11. The first servo motor 22 is installed on the vehicle body 11 and is in transmission connection with the first rotating shaft 21. The connecting frame 23 is installed on the first rotating shaft 21. The second conveying roller 24 is rotatably installed on the connecting frame 23. The tops of the two groups of hydraulic cylinders 25 are connected to the bottom end of the connecting frame 23. The tops of the two groups of anti-slip pads 26 are respectively connected to the bottom ends of the two groups of hydraulic cylinders 25; the disinfection mechanism 03 includes a medicine box 31, a motor 32, a first speed reducer 33, a water pump 34, a liquid suction pipe 35, an infusion pipe 36 and multiple groups of spray heads 37. The bottom end of the medicine box 31 is connected to the top end of the vehicle body 11. The bottom end of the motor 32 is connected to the top end of the vehicle body 11. The bottom end of the first speed reducer 33 is connected to the top end of the vehicle body 11. The bottom end of the water pump 34 is connected to the top end of the vehicle body 11. The liquid suction pipe 35 is installed on the water pump 34 and is internally connected to the inside of the medicine box 31. The infusion pipe 36 is installed on the water pump 34. Multiple groups of spray heads 37 are all installed at the top end of the cavity of the vehicle body 11 and are internally connected to the inside of the infusion pipe 36;When it is working, first, the staff member pushes the vehicle body 11 to move to the pigsty door through the push rod 13, adds disinfectant water into the medicine box 31, and then places the anesthetized domestic pig on the second conveying roller 24 of one set of conveying mechanism 02. The second conveying roller 24 conveys the domestic pig to the first conveying roller 16. By setting two sets of hydraulic cylinders 25 and two sets of anti-slip pads 26, the stability of the connecting frame 23 is enhanced. After the domestic pig is conveyed to the first conveying roller 16, the servo motor one 22 on the two sets of conveying mechanisms 02 drives the first rotating shaft 21 to rotate upward by 90°, so that the connecting frame 23 seals the feeding port of the vehicle body 11, and the two sets of conveying mechanisms 02 respectively seal the left and right feeding ports of the vehicle body 11 to prevent the domestic pig from waking up and escaping during the disinfection process. Then, the motor 32 is started. The motor 32 drives the water pump 34 to pump water through the first speed reducer 33. The water pump 34 pumps out the disinfectant water in the medicine box 31 through the liquid suction pipe 35, and then conveys it to multiple sets of nozzles 37 through the liquid infusion pipe 36. The nozzles 37 spray the disinfectant water on the domestic pig to disinfect the domestic pig, preventing the occurrence of swine fever from the source. After the disinfection is completed, the two sets of conveying mechanisms 02 reset. The first conveying roller 16 conveys the domestic pig to another set of conveying mechanisms 02. The disinfectant water is collected by the drainage groove 14 and discharged through the drain pipe 15.; Embodiment

[0022] Such as Figures 1 to 6As shown in the figure, a defense device for classical swine fever virus of the present utility model is based on Embodiment 1; the heating mechanism 04 includes a heating box 41, a grid 42, four groups of electric heating wires 43, an air pump 44 and an air delivery hose 45. The bottom end of the heating box 41 is connected to the top end of the vehicle body 11. A heating cavity is arranged inside the heating box 41. The grid 42 is installed on the heating box 41. The four groups of electric heating wires 43 are all installed in the heating cavity of the heating box 41. The bottom end of the air pump 44 is connected to the top end of the vehicle body 11 and is in transmission connection with the first speed reducer 33. The air inlet of the air pump 44 is communicated with the inside of the heating box 41. The air delivery hose 45 is installed on the air pump 44; the air supply mechanism 05 includes a support 51, a second servo motor 52, a second speed reducer 53, a second rotating shaft 54, a connecting plate 55 and a diffuser 56. The bottom end of the support 51 is connected to the top end of the vehicle body 11. The second servo motor 52 is installed on the support 51. The second speed reducer 53 is installed on the support 51. The second rotating shaft 54 is rotatably installed on the support 51 and is longitudinally connected to the second speed reducer 53. The connecting plate 55 is installed on the second rotating shaft 54. The diffuser 56 is installed on the connecting plate 55 and is communicated with the inside of the air delivery hose 45;When it is working, first, the staff pushes the vehicle body 11 to move to the pigsty door through the push rod 13, adds the disinfectant water into the medicine box 31, and then places the anesthetized domestic pig on the second conveying roller 24 of one set of conveying mechanism 02. The second conveying roller 24 conveys the domestic pig to the first conveying roller 16. By setting two sets of hydraulic cylinders 25 and two sets of anti-slip pads 26, the stability of the connecting frame 23 is enhanced. After the domestic pig is conveyed to the first conveying roller 16, the first servo motor 22 on the two sets of conveying mechanisms 02 drives the first rotating shaft 21 to rotate upward by 90°, so that the connecting frame 23 seals the feeding port of the vehicle body 11, and the two sets of conveying mechanisms 02 respectively seal the left and right feeding ports of the vehicle body 11 to prevent the domestic pig from waking up and escaping during the disinfection process. Then, the motor 32 is started. The motor 32 drives the water pump 34 to pump water through the first speed reducer 33. The water pump 34 pumps out the disinfectant water in the medicine box 31 through the liquid suction pipe 35, and then conveys it to multiple sets of nozzles 37 through the liquid infusion pipe 36. The nozzles 37 spray the disinfectant water on the domestic pig to disinfect the domestic pig, preventing the occurrence of swine fever from the source. The first speed reducer 33 drives the air pump 44 to pump air. The air is heated by four sets of electric heating wires 43 and then pumped away by the air pump 44. Then, the hot air is conveyed to the two sets of air supply mechanisms 05 through the air supply hose 45. At the same time, the air is preliminarily filtered by setting the grid 42. The second servo motor 52 is started. The second servo motor 52 drives the second rotating shaft 54 to rotate through the second speed reducer 53. The second rotating shaft 54 drives the connecting plate 55 to rotate downward by 90°. The air supply hose 45 conveys the hot air to the air diffuser 56. The air diffuser 56 blows the hot air through the second conveying roller 24 to the surface of the domestic pig's skin, accelerating the evaporation of the moisture on the surface of the domestic pig's skin, preventing the domestic pig from catching a cold and getting sick. At the same time, the protective effect of the connecting frame 23 on the domestic pig is strengthened through the connecting plate 55, avoiding the connecting frame 23 being damaged by the impact of the domestic pig after waking up. After the disinfection and drying are completed, the two sets of conveying mechanisms 02 and the two sets of air supply mechanisms 05 are reset. The first conveying roller 16 conveys the domestic pig to another set of conveying mechanism 02. The disinfectant water is collected by the drainage tank 14 and discharged through the drain pipe 15.

[0023] The first servo motor 22, the motor 32, the first speed reducer 33, the second servo motor 52 and the second speed reducer 53 of the present utility model are purchased on the market. Those skilled in the industry only need to install and operate them according to the attached operation manuals, without the need for those skilled in the art to carry out creative labor.

[0024] The above are only the preferred embodiments of the present utility model. It should be noted that for those ordinary technicians in the technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A device for preventing swine fever virus, comprising a cart mechanism (01); characterized in that: The invention also comprises two groups of conveying mechanisms (02), a disinfecting mechanism (03), a heating mechanism (04) and two groups of air supply mechanisms (05). The two groups of conveying mechanisms (02) are both mounted on the cart mechanism (01) and are convenient for transporting domestic pigs. The disinfecting mechanism (03) is mounted on the cart mechanism (01) and disinfects the domestic pigs. The heating mechanism (04) is mounted on the disinfecting mechanism (03) and transports hot air to the two groups of air supply mechanisms (05). The two groups of air supply mechanisms (05) are both mounted on the cart mechanism (01) and use air to dry the domestic pigs.

2. A device for preventing swine fever virus according to claim 1, characterized in that: The cart mechanism (01) comprises a cart body (11), four sets of universal wheels (12), a push rod (13), a drainage groove (14), a drainage pipe (15) and a conveying roller (16). A cavity is arranged inside the cart body (11). Feed ports are provided on both the left and right sides of the cart body (11). The top ends of the four sets of universal wheels (12) are rotatably mounted on the bottom end of the cart body (11). The push rod (13) is mounted on the side wall of the cart body (11). The top end of the drainage groove (14) is connected to the inside of the bottom end of the cart body (11). The top end of the drainage pipe (15) is connected to the inside of the bottom end of the drainage groove (14). The conveying roller (16) is rotatably mounted in the cavity of the cart body (11).

3. A device for preventing swine fever virus according to claim 2, characterized in that: The conveying mechanism (02) comprises a rotating shaft (21), a servo motor (22), a connecting frame (23), a conveying roller (24), two groups of hydraulic cylinders (25) and two groups of anti-skid pads (26). The rotating shaft (21) is rotatably mounted on the vehicle body (11). The servo motor (22) is mounted on the vehicle body (11) and is transmission-connected to the rotating shaft (21). The connecting frame (23) is mounted on the rotating shaft (21). The conveying roller (24) is rotatably mounted on the connecting frame (23). The top ends of the two groups of hydraulic cylinders (25) are connected to the bottom ends of the connecting frame (23). The top ends of the two groups of anti-skid pads (26) are respectively connected to the bottom ends of the two groups of hydraulic cylinders (25).

4. A device for preventing swine fever virus according to claim 2, characterized in that: The disinfection mechanism (03) comprises a medicine box (31), a motor (32), a reducer (33), a water pump (34), a liquid extraction pipe (35), a liquid infusion pipe (36) and a plurality of nozzles (37). The bottom end of the medicine box (31) is connected to the top end of the vehicle body (11), the bottom end of the motor (32) is connected to the top end of the vehicle body (11), the bottom end of the reducer (33) is connected to the top end of the vehicle body (11), the bottom end of the water pump (34) is connected to the top end of the vehicle body (11), the liquid extraction pipe (35) is mounted on the water pump (34) and communicated with the inside of the medicine box (31), the liquid infusion pipe (36) is mounted on the water pump (34), and the plurality of nozzles (37) are mounted on the top end of the cavity of the vehicle body (11) and communicated with the inside of the liquid infusion pipe (36).

5. A device for preventing swine fever virus according to claim 4, characterized in that: The heating mechanism (04) comprises a heating box (41), a mesh grille (42), four groups of electric heating wires (43), an air pump (44) and an air delivery hose (45); the bottom end of the heating box (41) is connected to the top end of the vehicle body (11); a heating chamber is arranged inside the heating box (41); the mesh grille (42) is mounted on the heating box (41); the four groups of electric heating wires (43) are all mounted in the heating chamber of the heating box (41); the bottom end of the air pump (44) is connected to the top end of the vehicle body (11) and is transmission-connected to a reducer (33); an air inlet of the air pump (44) is communicated with the inside of the heating box (41); and the air delivery hose (45) is mounted on the air pump (44).

6. A device for preventing swine fever virus according to claim 5, characterized in that: The air supply mechanism (05) comprises a stand (51), a second servo motor (52), a second reducer (53), a second rotating shaft (54), a connecting plate (55) and an air expansion hopper (56). The bottom end of the stand (51) is connected to the top end of the vehicle body (11). The second servo motor (52) is mounted on the stand (51). The second reducer (53) is mounted on the stand (51). The second rotating shaft (54) is rotatably mounted on the stand (51) and is longitudinally connected to the second reducer (53). The connecting plate (55) is mounted on the second rotating shaft (54). The air expansion hopper (56) is mounted on the connecting plate (55) and is connected to the inside of the air supply hose (45).

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