Green hydroponic vegetable harvesting device

Abstract

The utility model discloses a green hydroponic vegetable harvesting device which comprises a culture table plate and a culture tray, the culture tray is arranged on the culture table plate, a rail frame is arranged on the upper surface of the culture table plate and located on the outer side of the culture tray, a pulley slides on the rail frame, and a collecting frame is arranged at the top of the pulley. A longitudinal adjusting assembly is arranged on the side, close to the culture disc, of the tackle. According to the vegetable cutting device, the cutting assembly, the side driving lever and the middle driving lever are arranged, the tackle moves on the track frame towards the direction of vegetables on the culture tray, then the tackle moves to drive the cutting assembly to move on the culture tray to cut the vegetables, and then the vegetables are driven by the rotating side driving lever and the middle driving lever to move on the harvesting guide table from bottom to top; in this way, the harvested vegetables can fall into the collecting frame to be collected, so that the effect of automatically harvesting the vegetables is achieved, and the problems that in the prior art, the harvesting speed is low and the shearing positions are uneven in layers due to the fact that the vegetables need to be manually harvested are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a vegetable harvesting technology field especially relates to a kind of green hydroponic vegetable harvesting device. BACKGROUND

[0002] Hydroponic vegetable is a soilless culture technique, which is a technique for growing vegetables directly in water. Nutrient solution and related nutrients are added to the water to provide nutrients for the growth of vegetables. This method can achieve indoor soilless large-scale cultivation. Today's plant factory is established by this soilless culture technique, reducing the dependence on soil and sunlight, easily controlling the growth environment of vegetables, and having very wide application scenarios.

[0003] In the prior art hydroponic vegetable, the vegetables are grown one after another, so after maturation, the vegetables are harvested on a large scale. Currently, the vegetables are harvested by artificial cutting equipment, which not only has low harvesting speed, but also makes the cutting position uneven, which affects the appearance and sales of the vegetables.

[0004] Therefore, how to provide a green hydroponic vegetable harvesting device is a problem that needs to be solved by those skilled in the art. SUMMARY

[0005] An object of the present application is to provide a green hydroponic vegetable harvesting device, which solves the problem of low harvesting speed and uneven cutting position caused by manual harvesting in the prior art.

[0006] According to the green hydroponic vegetable harvesting device of the present application, the upper surface of the culture platform is provided with a track frame at the position outside the culture tray, a trolley is slidably arranged on the track frame, a collection frame is arranged on the top of the trolley, a longitudinal adjustment assembly is arranged on the side of the trolley close to the culture tray, a harvesting guide table is arranged on the longitudinal adjustment assembly, and a cutting assembly is arranged at the bottom end of the harvesting guide table. The bottom of the harvesting guide table is provided with a shaft assembly close to the position of both sides, the other end of the shaft assembly extends above the harvesting guide table after passing through the harvesting guide table, a side lever is arranged at the position of the shaft assembly above the harvesting guide table, a positioning assembly is arranged on the shaft assembly, a middle lever is arranged on the surface of the positioning assembly at the position of the middle of the harvesting guide table, and the other end of the middle lever is close to the table surface of the harvesting guide table.

[0007] The cutting assembly comprises a static cutting knife and a dynamic cutting knife, the static cutting knife is arranged at the bottom end of the harvesting guide table and close to one side of the culture plate, a limiting dynamic groove is formed in the static cutting knife and the harvesting guide table, the dynamic cutting knife is movably arranged in the limiting dynamic groove, the static cutting knife and the dynamic cutting knife are arranged in a staggered manner, a guide shaft is fixed in the limiting dynamic groove, a through groove is formed in the dynamic cutting knife, the dynamic cutting knife is movably sleeved on the surface of the guide shaft through the through groove, a driving plate is arranged on the side of the dynamic cutting knife away from the static cutting knife, a driving groove is formed in the driving plate, a driving rod is movably arranged in the driving groove, a rotary disc is arranged at the top of the driving rod, a first driving motor is arranged at the top of the rotary disc, and the first driving motor is fixed on the harvesting guide table.

[0008] A stabilizing rod is arranged at the bottom of the harvesting guide table and corresponds to the position of the driving plate, and the end of the driving plate away from the dynamic cutting knife is movably sleeved on the surface of the stabilizing rod.

[0009] The longitudinal adjusting assembly comprises an adjusting cylinder and two groups of guide cylinders, the two groups of guide cylinders and the adjusting cylinder are fixed on one side of the trolley close to the culture plate, the adjusting cylinder is located at the middle position of the connecting line of the two groups of guide cylinders, an adjusting rod is rotatably arranged in the adjusting cylinder, a movable block is threadedly sleeved on the surface of the adjusting rod, the movable block is movably arranged in the adjusting cylinder, guide rods are arranged in the two groups of guide cylinders, guide blocks are arranged on the surfaces of the guide rods, the guide blocks are movably arranged in the guide cylinders, and the guide blocks and the movable block are fixed on the side surface of the harvesting guide table.

[0010] The rotary shaft assembly comprises a second driving motor, two rotary shaft bodies and a transmission gear, the second driving motor is fixed on the harvesting guide table, a bevel gear is fixedly sleeved on the output shaft of the second driving motor, the two rotary shaft bodies are rotatably connected to the harvesting guide table at positions close to the two sides of the upper portion of the harvesting guide table, the top ends of the two rotary shaft bodies extend to above the harvesting guide table after penetrating through the harvesting guide table, the transmission gear is sleeved on the surface of one rotary shaft body, the bevel gear is meshed with the transmission gear, belt pulleys are fixedly sleeved on the surfaces of the two rotary shaft bodies and close to the transmission gear, transmission belts are movably sleeved on the surfaces of the belt pulleys, and the side lever is arranged on the surface of the rotary shaft body above the harvesting guide table.

[0011] The positioning assembly comprises a positioning groove and a positioning shaft, the positioning groove is formed at the top end of the rotary shaft body, the positioning shaft is rotatably connected to the inside of the positioning groove, the end of the positioning shaft away from the rotary shaft body is provided with a cross rod, a movable pipe is rotatably sleeved on the surface of the cross rod, the middle lever is fixed on the surface of the movable pipe, a driving wheel is fixedly sleeved on the surface of the movable pipe and close to the end surface and away from the middle lever, the surface of the driving wheel is meshed with a power wheel, the power wheel is fixed with a third driving motor, and the third driving motor is fixed on the surface of the cross rod.

[0012] The side lever rotates towards the middle lever, and the middle lever rotates from the bottom end of the harvesting guide table to the top end of the harvesting guide table.

[0013] The utility model discloses the beneficial effect is:

[0014] Through being provided with cutting assembly, side lever and middle lever, the trolley moves to the vegetable direction on the culture dish on the track frame, then the trolley moves and drives cutting assembly to move on the culture dish and shears the vegetable, then the vegetable is moved on the harvesting guide platform from bottom to top by the rotation side lever and middle lever, so the harvested vegetable will fall into the collection frame and be collected, thereby reach the effect of automatic harvesting of vegetable, solve the problem of low harvesting speed and uneven shearing position level caused by manual harvesting in the prior art.

[0015] Through being provided with longitudinal adjusting assembly, the height of harvesting guide platform and cutting assembly is adjusted, and the cutting position is attached to the culture dish, so that the cutting effect is better. DRAWINGS

[0016] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, and are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation on the utility model.

[0017] Figure 1 The utility model proposes a kind of overall stereogram of green water-cultivated vegetable harvesting device.

[0018] Figure 2 The utility model proposes the sectional stereogram of green water-cultivated vegetable harvesting device in transfer shaft assembly and positioning assembly position.

[0019] Figure 3 The utility model proposes the sectional stereogram of green water-cultivated vegetable harvesting device in longitudinal adjusting assembly position.

[0020] Figure 4 The utility model proposes the sectional stereogram of another position in longitudinal adjusting assembly in green water-cultivated vegetable harvesting device.

[0021] Figure 5 The utility model proposes the partial stereogram of transfer shaft assembly position in green water-cultivated vegetable harvesting device.

[0022] Figure 6 The utility model proposes the sectional stereogram of cutting assembly position in green water-cultivated vegetable harvesting device.

[0023] The attached diagram shows: 1. Culture platform; 2. Culture tray; 3. Track frame; 4. Trolley; 5. Collection frame; 6. Longitudinal adjustment assembly; 7. Harvesting guide; 8. Cutting assembly; 9. Rotary shaft assembly; 10. Side lever; 11. Positioning assembly; 12. Center lever; 13. Static cutting shears; 14. Moving cutting shears; 15. Limiting groove; 16. Guide shaft; 17. Through groove; 18. Drive plate; 19. Drive groove; 20. Drive rod; 21. Turntable; 2 2. First drive motor; 23. Stabilizer bar; 24. Adjusting cylinder; 25. Guide cylinder; 26. Adjusting rod; 27. Movable block; 28. Guide rod; 29. ​​Guide block; 30. Second drive motor; 31. Rotating shaft; 32. Transmission gear; 33. Bevel gear; 34. Pulley; 35. Transmission belt; 36. Positioning groove; 37. Positioning shaft; 38. Crossbar; 39. Movable tube; 40. Drive wheel; 41. Power wheel; 42. Third drive motor. Detailed Implementation

[0024] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention.

[0025] Example 1

[0026] refer to Figure 1 , Figure 3 and Figure 4The utility model provides a kind of vegetable cultivation and harvesting device, including culture platform 1 and culture tray 2, the culture tray 2 is arranged on culture platform 1, the upper surface of culture platform 1 is located outside the position of culture tray 2 and is provided with track frame 3, track frame 3 is integrally shaped, surrounds culture tray 2, trolley 4 is slid on track frame 3, trolley 4 is slid on track frame 3 and moves above culture tray 2, so that the sliding area can cover entire culture tray 2, the top of trolley 4 is provided with collection frame 5, for collecting vegetables, the side of trolley 4 close to culture tray 2 is provided with longitudinal adjusting assembly 6, longitudinal adjusting assembly 6 includes adjusting cylinder 24 and two groups of guide cylinder 25, two groups of guide cylinder 25 and adjusting cylinder 24 are fixed on the side of trolley 4 close to culture tray 2, adjusting cylinder 24 is located in the middle position of the line of two groups of guide cylinder 25, so that when adjusting, make the whole harvesting guide platform 7 move stably, adjusting cylinder 24 is rotatably provided with adjusting rod 26 in the inside, adjusting rod 26 is screw-jointed with movable block 27 on surface, movable block 27 moves in the inside of adjusting cylinder 24, two groups of guide cylinder 25 are provided with guide rod 28 in the inside, guide rod 28 is provided with guide block 29 on surface, guide block 29 moves in the inside of guide cylinder 25, guide block 29 and movable block 27 are fixed on the side of harvesting guide platform 7, longitudinal adjusting assembly 6 is provided with harvesting guide platform 7, harvesting guide platform 7 is used to guide vegetables, before harvesting, rotating adjusting rod 26, make adjusting rod 26 rotate to drive movable block 27 to move downwards in adjusting cylinder 24, movable block 27 moves downwards to drive the whole harvesting guide platform 7 to move downwards, while harvesting guide platform 7 moves downwards, guide block 29 moves on the surface of guide rod 28 to improve the activity stability of harvesting guide platform 7, when the bottom end of harvesting guide platform 7 is attached to the upper surface of culture tray 2 and stops moving, at this time, the interval between harvesting guide platform 7 and culture tray 2 is very narrow, so that it can be harvested along the rhizome position of vegetables;

[0027] Example 2

[0028] Reference Figure 2 、 Figure 3 、 Figure 5 and Figure 6The bottom end of the harvesting guide table 7 is provided with a cutting assembly 8, which includes a static cutting knife 13 and a dynamic cutting knife 14. It should be noted that the dynamic cutting knife 14 is movable, and the static cutting knife 13 is stationary. In this way, the dynamic cutting knife 14 cuts the vegetables in a manner similar to “scissors cutting” on the static cutting knife 13. The static cutting knife 13 is arranged at the bottom end of the harvesting guide table 7 near one side of the culture plate 2. The static cutting knife 13 and the harvesting guide table 7 are internally provided with a limiting dynamic groove 15 for placing the dynamic cutting knife. The size of the entire dynamic cutting knife matches the size of the limiting dynamic groove 15, so that the gap is reduced to improve the stability of the dynamic cutting knife and the cutting effect. The dynamic cutting knife 14 moves inside the limiting dynamic groove 15. The dynamic cutting knife 14 and the static cutting knife 13 are arranged in a staggered manner, so as to cut the vegetables like scissors. The limiting dynamic groove 15 is internally fixed with a guide shaft 16. The middle position of the guide shaft 16 is fixed on the symmetrical shaft surface of the limiting dynamic groove 15 through a hanging block, so that the entire dynamic cutting knife moves along the guide shaft 16. A through groove 17 is arranged on the dynamic cutting knife 14, so as to improve the movement range of the dynamic cutting knife. The dynamic cutting knife 14 is movably sleeved on the surface of the guide shaft 16 through the through groove 17. A driving plate 18 is arranged on the side of the dynamic cutting knife 14 away from the static cutting knife 13. A driving groove 19 is arranged on the driving plate 18. A driving rod 20 movably exists in the driving groove 19. A turntable 21 is arranged on the top of the driving rod 20. A first driving motor 22 is arranged on the top of the turntable 21. The first driving motor 22 is fixed on the harvesting guide table 7. A stabilizing rod 23 is arranged at the position corresponding to the driving plate 18 at the bottom of the harvesting guide table 7. One end of the driving plate 18 away from the dynamic cutting knife 14 is movably sleeved on the surface of the stabilizing rod 23. The stabilizing rod 23 hangs one end of the driving plate 18, so that the driving plate 18 moves along the stabilizing rod 23 when it moves, thereby improving the stability of the driving plate 18. When operating, the first driving motor 22 is started first. The first driving motor 22 drives the turntable 21 to rotate. The rotation of the turntable 21 drives the driving plate 18 to move through the driving rod 20. In this way, the driving plate 18 reciprocally moves. The moving distance is the diameter of the turntable 21. The reciprocating movement of the driving plate 18 drives the dynamic cutting knife to reciprocally move on the surface of the guide shaft 16. In this way, the dynamic cutting knife reciprocally moves in the limiting dynamic groove 15 to cooperate with the static cutting knife to achieve the purpose of cutting. In this way, the vegetables are cut by the dynamic cutting knife and the static cutting knife. Then, under the pushing of the trolley 4, the vegetables fall onto the harvesting guide table 7.

[0029] Example 3

[0030] Reference Figure 1 and Figure 2The bottom of the harvesting guide table 7 is provided with a rotating shaft assembly 9 near both sides, the other end of the rotating shaft assembly 9 extends to above the harvesting guide table 7 through the harvesting guide table 7, the position of the rotating shaft assembly 9 above the harvesting guide table 7 is provided with a side pushing rod 10, the side pushing rod 10 rotates towards the middle pushing rod 12, so as to push the vegetables on the harvesting guide table 7, the rotating shaft assembly 9 comprises a second driving motor 30, two rotating shaft bodies 31 and a transmission gear 32, the second driving motor 30 is fixed on the harvesting guide table 7, a bevel gear 33 is fixedly sleeved on the output shaft of the second driving motor 30, the two rotating shaft bodies 31 are rotatably connected to the positions above the harvesting guide table 7 near both sides through bearings, the top ends of the two rotating shaft bodies 31 extend to above the harvesting guide table 7 through the harvesting guide table 7, the transmission gear 32 is sleeved on the surface of one rotating shaft body 31, the bevel gear 33 and the transmission gear 32 are meshed with each other, the surfaces of the two rotating shaft bodies 31 near the transmission gear 32 are fixedly sleeved with belt pulleys 34, the surfaces of the belt pulleys 34 are movably sleeved with transmission belts 35, the side pushing rod 10 is arranged on the surface of the rotating shaft body 31 above the harvesting guide table 7, during operation, the second driving motor 30 is started, the second driving motor 30 is started to drive the transmission wheel to rotate, the transmission wheel rotates to drive one rotating shaft to rotate, one rotating shaft rotates to drive the other rotating shaft to rotate synchronously through the belt pulley 34 and the transmission belt 35, the synchronous rotation of the two rotating shafts drives the two side pushing rods 10 to rotate, the rotation of the two side pushing rods 10 drives the vegetables on the harvesting guide table 7 to move towards the middle position of the harvesting guide table 7, so as to realize the purpose of centering the vegetables on the harvesting guide table 7.

[0031] Example 4

[0032] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The rotating shaft assembly 9 is provided with a positioning assembly 11, the surface of the positioning assembly 11 is provided with a middle pushing rod 12 which is staggered with the side pushing rod 10 at the middle position of the harvesting guide table 7, and a plurality of groups of the middle pushing rod 12 are arranged, so that the range of pushing is larger, and the vegetables are not easily missed, the rotating direction of the middle pushing rod 12 is from the bottom end of the harvesting guide table 7 to the top end of the harvesting guide table 7, the other end of the middle pushing rod 12 is close to the table top of the harvesting guide table 7, the positioning assembly 11 comprises a positioning groove 36 and a positioning shaft 37, the positioning groove 36 is arranged at the top end of the rotating shaft body 31, and the positioning shaft 37 is rotatably connected in the positioning groove 36 through a bearing, so that the rotating shaft is not easy to drive the positioning shaft 37 to rotate during self-rotation, and the positioning shaft 37 only takes the rotating shaft as a supporting platform, the end of the positioning shaft 37 away from the rotating shaft body 31 is provided with a cross rod 38, the cross rod 38 is higher than the rotating shaft, the height of the cross rod 38 and the harvesting guide table 7 can be set according to the size of the vegetables actually harvested, and the length of the middle pushing rod 12 and the side pushing rod 10 can also be set according to the actual situation, the surface of the cross rod 38 is rotatably sleeved with a movable pipe 39, the middle pushing rod 12 is fixed on the surface of the movable pipe 39, a driving wheel 40 is fixedly sleeved on the surface of the movable pipe 39 close to the end surface and staggered with the middle pushing rod 12, the surface of the driving wheel 40 is engaged with a power wheel 41, the power wheel 41 is fixed with a third driving motor 42, and the third driving motor 42 is fixed on the surface of the cross rod 38, when the cut vegetables are centered on the harvesting guide table 7, the third driving motor 42 is started, the third driving motor 42 drives the power wheel 41 to rotate, the power wheel 41 drives the driving wheel 40 to rotate, the driving wheel 40 drives the movable pipe 39 to rotate on the cross rod 38, the movable pipe 39 drives the middle pushing rod 12 to rotate, and the middle pushing rod 12 drives the vegetables to be pushed from the cutting position of the harvesting guide table 7 to the high position of the harvesting guide table 7 and then to fall into the collecting frame 5, so that the purpose of automatically collecting the vegetables is achieved.

[0033] The above merely describes a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A green hydroponic vegetable harvesting apparatus, characterized by, The application relates to a culture platform (1) and a culture tray (2), wherein the upper surface of the culture platform (1) is provided with a track frame (3) at a position outside the culture tray (2), a trolley (4) is slidably arranged on the track frame (3), a collection frame (5) is arranged on the top of the trolley (4), a longitudinal adjusting assembly (6) is arranged on the side of the trolley (4) close to the culture tray (2), a harvesting guide table (7) is arranged on the longitudinal adjusting assembly (6), a cutting assembly (8) is arranged at the bottom end of the harvesting guide table (7), a rotating shaft assembly (9) is arranged at the bottom of the harvesting guide table (7) close to the two sides, the other end of the rotating shaft assembly (9) extends to the upper side of the harvesting guide table (7) through the harvesting guide table (7), a side shifting lever (10) is arranged at the position of the rotating shaft assembly (9) above the harvesting guide table (7), a positioning assembly (11) is arranged on the rotating shaft assembly (9), a middle shifting lever (12) is arranged on the surface of the positioning assembly (11) at a position in the middle of the harvesting guide table (7) and is staggered with the side shifting lever (10), and the other end of the middle shifting lever (12) is close to the table top of the harvesting guide table (7).

2. The green hydroponic vegetable harvesting device according to claim 1, characterized in that, The cutting assembly (8) comprises static cutting scissors (13) and dynamic cutting scissors (14), the static cutting scissors (13) are arranged at the bottom end of the harvesting guide table (7) close to the culture tray (2), a limiting dynamic groove (15) is arranged in the static cutting scissors (13) and the harvesting guide table (7), the dynamic cutting scissors (14) are movably arranged in the limiting dynamic groove (15), the dynamic cutting scissors (14) and the static cutting scissors (13) are arranged in a staggered mode, a guide shaft (16) is fixed in the limiting dynamic groove (15), a through groove (17) is arranged on the dynamic cutting scissors (14), the dynamic cutting scissors (14) are movably sleeved on the surface of the guide shaft (16) through the through groove (17), a driving plate (18) is arranged on the side of the dynamic cutting scissors (14) away from the static cutting scissors (13), a driving groove (19) is arranged on the driving plate (18), a driving rod (20) is movably arranged in the driving groove (19), a rotating disc (21) is arranged on the top of the driving rod (20), a first driving motor (22) is arranged on the top of the rotating disc (21), and the first driving motor (22) is fixed on the harvesting guide table (7).

3. The green hydroponic vegetable harvesting device according to claim 2, wherein, A stabilizing rod (23) is arranged at the position of the bottom of the harvesting guide table (7) corresponding to the driving plate (18), and the end of the driving plate (18) away from the dynamic cutting scissors (14) is movably sleeved on the surface of the stabilizing rod (23).

4. The green hydroponic vegetable harvesting device according to claim 3, wherein, The longitudinal adjusting assembly (6) comprises an adjusting cylinder (24) and two groups of guide cylinders (25), both of which are fixed on the side of the trolley (4) close to the culture plate (2), the adjusting cylinder (24) is located at the middle position of the connecting line of the two groups of guide cylinders (25), the inside of the adjusting cylinder (24) is rotatably provided with an adjusting rod (26), the surface of the adjusting rod (26) is threadedly sleeved with a movable block (27), the movable block (27) moves in the inside of the adjusting cylinder (24), the inside of the two groups of guide cylinders (25) is provided with a guide rod (28), the surface of the guide rod (28) is provided with a guide block (29), the guide block (29) moves in the inside of the guide cylinder (25), and the guide block (29) and the movable block (27) are both fixed on the side of the harvesting guide table (7).

5. The green hydroponic vegetable harvesting device according to claim 4, wherein, The rotating shaft assembly (9) comprises a second driving motor (30), two rotating shaft bodies (31) and a transmission gear (32), the second driving motor (30) is fixed on the harvesting guide table (7), a bevel gear (33) is fixedly sleeved on the output shaft of the second driving motor (30), the two rotating shaft bodies (31) are rotatably connected to the upper sides of the harvesting guide table (7) through bearings, the top ends of the two rotating shaft bodies (31) extend above the harvesting guide table (7) after penetrating through the harvesting guide table (7), the transmission gear (32) is sleeved on the surface of one rotating shaft body (31), the bevel gear (33) is meshed with the transmission gear (32), a belt pulley (34) is fixedly sleeved on the surface of each rotating shaft body (31) close to the transmission gear (32), a transmission belt (35) is movably sleeved on the surface of the belt pulley (34), and the side lever (10) is arranged on the surface of the rotating shaft body (31) above the harvesting guide table (7).

6. The green hydroponic vegetable harvesting device according to claim 5, wherein, The positioning assembly (11) comprises a positioning groove (36) and a positioning shaft (37), the positioning groove (36) is arranged at the top end of the rotating shaft body (31), the positioning shaft (37) is rotatably connected in the inside of the positioning groove (36), a cross rod (38) is arranged at the end of the positioning shaft (37) away from the rotating shaft body (31), a movable pipe (39) is rotatably sleeved on the surface of the cross rod (38), the middle lever (12) is fixed on the surface of the movable pipe (39), a driving wheel (40) is fixedly sleeved on the surface of the movable pipe (39) close to the end face and staggered with the middle lever (12), the surface of the driving wheel (40) is meshed with a power wheel (41), a third driving motor (42) is fixed on the power wheel (41), and the third driving motor (42) is fixed on the surface of the cross rod (38).

7. The green hydroponic vegetable harvesting device according to claim 6, wherein, The side lever (10) rotates towards the middle lever (12), and the middle lever (12) rotates from the bottom end of the harvesting guide table (7) to the top end of the harvesting guide table (7).

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