Integrated lotus root collecting machine
The one-body lotus root harvesting machine integrates collection, washing, and storage systems with spiral propulsion and adjustable nozzles to address inefficiencies in existing methods, achieving efficient and reliable lotus root collection and transport.
Patent Information
- Application Number
- CN202510335166.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2025-07-15
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing lotus root harvesting machinery has complex structure, too large weight and low reliability, which cannot meet the efficient needs of lotus root harvesting. It is labor-intensive and inefficient in manual harvesting.
An integrated lotus root collection machinery is designed, including the hull, harvesting mechanism, collection mechanism, storage box, power mechanism and cleaning mechanism. It adopts propeller power device, airbag buoyancy adjustment, centrifugal pump nozzle system, conveyor belt collection and cleaning device to achieve integrated harvesting, collection and cleaning.
The automation and integration of lotus root harvesting has been realized, which reduces labor intensity, improves harvesting efficiency, ensures efficient collection and cleaning of lotus roots, avoids damage, and reduces labor costs.
Smart Images

Figure CN120304142A_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the technical field of agricultural machinery, and particularly relates to an integrated lotus root collection machine. Background Art
[0002] As an important cash crop, lotus root is planted in most regions of our country. However, there are serious harvesting problems in the current cultivation of lotus root. Countless lotus roots rot in the fields or ponds every year during the harvest season because they cannot be harvested, causing great losses.
[0003] Currently, most lotus roots are harvested and collected manually by carrying a high-pressure water gun and cooperating with human labor, which is time-consuming, laborious, has a high labor cost, extremely low harvesting efficiency, and a high breakage rate. At the same time, although there are only floating-type lotus root digging machines and boat-type lotus root digging machines on the market, they cannot meet the harvesting requirements of lotus roots. The floating-type lotus root digging machine is a machine that installs a water pump by building a floating platform and mainly relies on manual excavation supplemented by a water gun nozzle for harvesting. Its mechanization degree is low and the working efficiency is poor. The structure of the boat-type automatic lotus root harvesting machine is complex, the whole machine is too heavy, and it often interrupts due to speed changes, with low reliability and low market utilization rate, and it also cannot meet the needs of lotus root harvesting. Therefore, there is an urgent need for an efficient and convenient integrated lotus root collection machine to solve the problem of lotus root harvesting. Summary of the Invention
[0004] The purpose of the present invention is to provide an integrated lotus root collection machine to solve the problems of the existing boat-type automatic lotus root harvesting machine, such as complex structure, too heavy whole machine, often interrupted due to speed changes, low reliability, low market utilization rate, and inability to meet the needs of lotus root harvesting.
[0005] To solve the above technical problems, the present invention discloses an integrated lotus root collection machine, including a hull. A harvesting mechanism is arranged at the front end of the hull, a collection mechanism is arranged in the middle of the hull, a lotus root storage box is arranged on the upper side of the tail end of the hull, and a power mechanism is arranged on the lower side of the tail end of the hull; a cleaning mechanism is also arranged on the hull, and the cleaning mechanism is located above the collection mechanism.
[0006] The technical solution of the present invention also has the following characteristics:
[0007] As a preferred technical solution of the present invention, a rectangular groove is arranged at the tail end of the hull, a drainage groove and a drainage port are arranged in the rectangular groove, the lotus root storage box is placed above the rectangular groove, and a plurality of drainage holes are evenly arranged at the bottom around the lotus root storage box.
[0008] As a preferred technical solution of the present invention, a first airbag and a second airbag are respectively arranged on both sides of the hull.
[0009] As a preferred technical solution of the present invention, the harvesting mechanism includes a harvesting outer shell; the bottom of the harvesting outer shell is fixed on the rectangular hole at the front end of the hull. On the upper baffle inside the harvesting outer shell, the bottom of the harvesting centrifugal pump is fixed through two nuts II. The water outlet of the harvesting centrifugal pump is connected to the water inlets of three collecting nozzle pipes in the crank rocker mechanism through three hoses; the crank rocker mechanism includes a harvesting motor, and the harvesting motor is fixed to the lower baffle inside the harvesting outer shell through two nuts I. The driving end of the harvesting motor is connected to one end of the connecting rod I, the other end of the connecting rod I is connected to one end of the connecting rod II, and the other end of the connecting rod II is fixed to one end of the middle collecting nozzle pipe. Three parallel connecting rods IV are fixed to one ends of the three collecting nozzle pipes. Both ends of the three collecting nozzle pipes are arranged on the front and rear partitions of the collecting outer shell. Two retractable harvesting nozzles are arranged at the bottom water outlets of the three collecting nozzle pipes.
[0010] As a preferred technical solution of the present invention, the water inlet of the harvesting centrifugal pump is connected to the elbow V through the interface of the harvesting outer shell. The other end of the elbow V is connected to the elbow IV through the water pipe V. The other end of the elbow IV is connected to the elbow III through the water pipe IV. The other end of the elbow III is connected to the first end of the three-way pipe. The second end of the three-way pipe is connected to a water pipe II extending underwater.
[0011] As a preferred technical solution of the present invention, the collection mechanism includes two bottom shaft plates, and the two bottom shaft plates are respectively fixed on both sides of the bottom of the harvesting mechanism. Both ends of the bottom shaft are respectively fixed in the round holes on the two bottom shaft plates. Bottom shaft gears are arranged on the inner sides of both ends of the bottom shaft. A middle shaft group is fixed to the inner sides of the middle parts on both sides of the hull. The middle shaft group is arranged in a "Π" shape. Middle shaft gears and middle shaft gears II are arranged on the inner sides of both ends of the middle shaft group; the top shaft is arranged at the top of the baffle plates on both sides of the hull. Top shaft gears are fixedly arranged on the inner sides of both ends of the top shaft; the conveyor belt is arranged around the bottom shaft, the middle shaft group and the top shaft, and is in transmission cooperation with the bottom shaft gear, the middle shaft gear I, the middle shaft gear II and the top shaft gear; first pressing rollers and second pressing rollers are arranged on both sides inside the baffle plate of the hull, and the first pressing rollers and the second pressing rollers are pressed against the outer side of the conveyor belt; a gear II is arranged at the outer end of one side of the top shaft, and the gear II is connected to the gear I through a chain, and the gear I is fixed on the upper surface of the rotating shaft of the driving motor.
[0012] As a preferred technical solution of the present invention, the power mechanism includes a driving outer shell, and the driving outer shell is fixed to the bottom of the tail end of the hull. A storage battery is arranged at the front end of the driving outer shell, and a steering gear is arranged at the center of the inner surface of the tail end of the driving outer shell; a driving connecting rod is fixed on the upper surface of the steering gear rotating shaft, and both ends of the driving connecting rod are respectively fixed to the sides of two motors. A first propeller and a second propeller are respectively connected to the fronts of the two motors.
[0013] As a preferred technical solution of the present invention, protective covers in the form of filter meshes are respectively arranged at the tail ends of the driving housing at the first propeller and the second propeller.
[0014] As a preferred technical solution of the present invention, the cleaning mechanism includes a pillar. A rectangular pillar is fixed to the hull at the bottom, and a cleaning centrifugal pump is fixed on the upper surface of the pillar. The water outlet of the cleaning centrifugal pump is connected to a cleaning fixed water pipe, and the cleaning fixed water pipe is parallel to the hull surface. Telescopic cleaning nozzles are fixed at both water outlet positions at the bottom of the cleaning fixed water pipe, and the directions of the cleaning nozzles are inclined towards the transportation part of the conveyor belt to clean the lotus roots during transportation; the water inlet of the cleaning centrifugal pump is connected to an elbow VI, and the other end of the elbow VI is connected to a water pipe I parallel to the pillar. The other end of the water pipe I is connected to an elbow I, and the other end of the elbow I is connected to the third end of a three-way pipe; the second end of the three-way pipe is connected to a water pipe II extending underwater.
[0015] Compared with the prior art, an integrated lotus root harvesting machine of the present invention has the following advantages:
[0016] (1) The present invention realizes the integration of lotus root harvesting work such as harvesting, collecting, and cleaning, greatly reducing the labor force and achieving integrated automation.
[0017] (2) By setting a propeller-type power device, the present invention can ensure that the bottom of the machine is in full contact with the water surface, ensuring that the integrated lotus root harvesting machine has sufficient power and flexible movement performance. Air bags are arranged on both sides of the bottom of the hull, which can be inflated according to actual needs to ensure a sufficient height and raise the chassis of the vehicle body to ensure that the collection device efficiently collects lotus roots.
[0018] (3) In the harvesting mechanism of the present invention, water is pumped up by a centrifugal pump and then sprayed out under pressure. The motor controls the collection nozzle pipe, connecting rod III, and connecting rod IV to perform multi-angle adjustment through a crank-rocker mechanism. At the same time, the nozzle at the bottom end of the collection nozzle pipe can be telescoped to adjust the distance between the nozzle and the lotus roots, realizing efficient scouring of the lotus roots.
[0019] (4) By setting a "Π"-shaped central axis group and pressure rollers and cooperating with a top shaft and a bottom shaft, the conveyor belt in the collection device is divided into a collection part and a transportation part, and raised baffles are arranged on the surface of the conveyor belt to ensure efficient collection and transportation of lotus roots.
[0020] (5) The present invention sets a cleaning device to clean the lotus roots again during transportation to ensure the cleanliness of the surface of the lotus roots reaching the storage box. By setting drainage holes around and at the bottom of the storage box and a drainage groove and a drainage port at the tail end of the hull, the weight of the lotus roots stored in the storage box can be reduced, and at the same time, damage to the lotus roots caused by long-term soaking in water can be avoided. Description of the Drawings
[0021] The accompanying drawings described herein are used to provide a further understanding of the present invention and form a part of the present invention. The schematic embodiments and descriptions thereof of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:
[0022] Figure 1 is a schematic diagram of the overall structure of the integrated lotus root harvesting machine of the present invention from perspective one;
[0023] Figure 2 is a schematic diagram of the overall structure of the integrated lotus root harvesting machine of the present invention from perspective two;
[0024] Figure 3 is a schematic diagram of the overall structure of the integrated lotus root harvesting machine of the present invention from perspective three;
[0025] Figure 4 is a cross-sectional view of the overall structure of the integrated lotus root harvesting machine of the present invention;
[0026] Figure 5 is a schematic diagram of the hull structure of the integrated lotus root harvesting machine of the present invention;
[0027] Figure 6 is a schematic diagram of the structure of the harvesting device of the integrated lotus root harvesting machine of the present invention;
[0028] Figure 7 is a schematic diagram of the internal structure of the harvesting device of the integrated lotus root harvesting machine of the present invention;
[0029] Figure 8 is a schematic diagram of the structure of the power device of the integrated lotus root harvesting machine of the present invention;
[0030] Figure 9 is a schematic diagram of the structure of the outer shell of the harvesting device of the integrated lotus root harvesting machine of the present invention;
[0031] Figure 10 is a schematic diagram of the nozzle group structure of the flushing device of the present invention;
[0032] Figure 11 is a schematic diagram of the top shaft structure of the collection device of the present invention;
[0033] Figure 12 is a schematic diagram of the bottom shaft structure of the collection device of the present invention;
[0034] Figure 13 is a schematic diagram of the middle shaft group structure of the collection device of the present invention;
[0035] In the figure: 1. Lotus root storage box, 2. First side airbag, 3. Support, 4. Water pipe Ⅰ, 5. Elbow pipe Ⅰ, 6. Elbow pipe Ⅱ, 7. Water pipe Ⅱ, 8. Water pipe Ⅲ, 9. Elbow pipe Ⅲ, 10. Water pipe Ⅳ, 11. Elbow pipe Ⅳ, 12. Water pipe Ⅴ, 13. Hull, 14. Elbow pipe Ⅴ, 15. Harvesting outer shell, 16. First right rolling wheel, 17. Cleaning nozzle, 18. Top shaft, 19. Chain, 20. Elbow pipe Ⅵ, 21. Cleaning centrifugal pump, 22. Driving motor, 23. Gear Ⅰ, 24. Gear Ⅱ, 25. Cleaning nozzle pipe, 26. Second airbag, 27. Bottom shaft plate, 28. Drainage port, 29. First propeller, 30. Cleaning fixed water pipe, 31. Driving outer shell, 32. Battery, 33. Steering gear, 34. Motor, 35. Harvesting centrifugal pump, 36. Harvesting nozzle, 37. Harvesting motor, 38. Second rolling wheel, 39. Middle shaft group, 40. Connecting rod Ⅰ, 41. Connecting rod Ⅱ, 42. Top shaft, 43. Bottom shaft, 44. Driving connecting rod, 45. Second propeller, 46. Top shaft gear, 47. Bottom shaft gear, 48. Middle shaft gear Ⅰ, 49. Middle shaft gear Ⅱ, 50. Connecting pipe, 51. Collection nozzle pipe, 52. Connecting rod Ⅲ, 53. Connecting rod Ⅳ, 54. Nut Ⅰ, 55. Nut Ⅱ, 56. Interface, 57. Three-way pipe, 58. Conveyor belt, 59. Drainage trough, 60. Drainage small holes. Detailed implementation mode
[0036] The following will be described in detail in conjunction with embodiments the implementation mode of the present invention, so as to fully understand how the present invention uses technical means to solve technical problems and achieve the realization process of technical effects and implement accordingly.
[0037] As Figure 1 shown, an integrated lotus root harvesting machine of the present invention includes a hull 13. A harvesting mechanism is provided at the front end of the hull 13, a collection mechanism is provided in the middle of the hull 13, a lotus root storage box 1 is provided on the upper side of the tail end of the hull 13, and a power mechanism is provided on the lower side of the tail end of the hull 13; A cleaning mechanism is further provided on the hull 13, and the cleaning mechanism is located above the collection mechanism.
[0038] When working, the power mechanism drives the hull 13 to move. The harvesting mechanism first harvests the lotus roots, and the collection mechanism collects and conveys the harvested lotus roots into the lotus root storage box 1. At the same time, the cleaning mechanism will clean the lotus roots in the collection mechanism.
[0039] The front end of the hull 13 is fixed with a harvesting outer shell 15 by setting a rectangular hole. A larger rectangular hole is also set in the middle of the hull 13 for setting the collection mechanism. At the same time, baffles are fixed around the upper part of the hole to prevent the lotus roots from splashing outside the conveyor belt during collection and transportation. A support column 3 is fixed on the left side of the baffle above the hole, and a cleaning device is arranged at its upper end. A plurality of water pipes and elbow pipes are arranged on the left side of the hull to connect and extend the harvesting device and the cleaning device below the water surface of the working water area to ensure the normal operation of the harvesting device and the cleaning device. A rectangular groove is arranged at the tail end of the hull, and drainage grooves 59 in the front and back directions are arranged on the left and right sides thereof. A replaceable lotus root storage box 1 is arranged above the groove. A plurality of drainage holes 60 are uniformly arranged at the bottom around the lotus root storage box to reduce the weight of the lotus roots stored in the lotus root storage box. A power device is arranged at the bottom end of the hull. A first airbag 2 and a second airbag 26 are fixed on both sides of the bottom of the power mechanism and the collection mechanism to provide buoyancy when the integrated lotus root collection machine works, and at the same time, the draft depth of the integrated lotus root collection machine can be adjusted.
[0040] The specific structure of the harvesting device is as Figure 4 , Figure 6 , Figure 7 and Figure 8 shown. The harvesting device includes an elbow pipe II 6, a water pipe II 7, a water pipe III 8, an elbow pipe III 9, a water pipe IV 10, an elbow pipe IV 11, a water pipe V 12, an elbow pipe V 14, a right rolling wheel 16, a collection device outer shell 15, a gear II 24, a harvesting centrifugal pump 35, a harvesting nozzle 36, a harvesting motor 37, a connecting rod I 40, a connecting rod II 41, a top shaft 42, a top shaft gear 46, a connecting pipe 50, a collection nozzle pipe 51, a connecting rod III 52, a connecting rod IV 53, a nut I 54, a nut II 55, an interface 56 and a tee pipe 57. Among them, the rectangular hole at the front end of the hull 13 is fixed to the bottom of the harvesting outer shell 15. The bottom of the harvesting centrifugal pump 35 is fixed to the upper baffle inside the collection device outer shell 15 by two nuts II 55. The water outlet of the harvesting centrifugal pump 35 is connected to the water inlets of three collection nozzle pipes 51 in the crank rocker mechanism through three hoses.
[0041] The structure of the crank-rocker mechanism in this embodiment is only one of them and is not limited to this structure. Among them, the crank-rocker mechanism includes a harvesting motor 37, a harvesting nozzle 36, three collecting nozzle pipes 51, a connecting rod III 52, three connecting rods IV 53, a connecting rod I 40, a connecting rod II 41, and two nuts I 54. The harvesting motor 37 is fixed to the lower baffle inside the harvesting housing 15 through two nuts I 54. One end of the shaft of the harvesting motor 37 is provided with a connecting rod I 40, the other end of the connecting rod I 40 is connected to the connecting rod II 41, and the other end of the connecting rod II 41 is fixed to one end of the middle collecting nozzle pipe 51. Three collecting nozzle pipes 51 are fixed with three parallel connecting rods IV 53 so that they are arranged in parallel. Both ends of the three collecting nozzle pipes 51 are arranged on the front and rear partitions of the collecting device housing 15. Two retractable harvesting nozzles 36 are provided at the bottom water outlets of the three collecting nozzle pipes 51, so as to realize the reciprocating movement of the harvesting motor to control the harvesting nozzle 36.
[0042] The water inlet of the harvesting centrifugal pump 35 is connected to the elbow V 14 through the interface of the harvesting device housing 15. The other end of the elbow V 14 is connected to the elbow IV 11 through the water pipe V 12. The other end of the elbow IV 11 is connected to the elbow III 9 through the water pipe IV 10. The other end of the elbow III 9 is connected to one end of the tee 57 through the water pipe III 8. The second end of the tee 57 is connected with a water pipe II 7 extending underwater. The complete pipeline ensures the efficient operation of the harvesting device.
[0043] The specific structure of the cleaning mechanism is as Figure 1 and Figure 4 shown. The cleaning mechanism includes a support 3, a water pipe I 4, an elbow I 5, a water pipe II 7, a cleaning nozzle 17, a top shaft 18, an elbow VI 20, a cleaning centrifugal pump 21, and a tee 57. Among them, a rectangular support 3 is fixed to the hull 13 at the bottom. The upper surface of the support 3 is fixed with a cleaning fixed water pipe connected to the water outlet of the cleaning centrifugal pump 21, and its direction is parallel to the surface of the hull 13. Retractable cleaning nozzles 17 are fixed at both water outlets at the bottom of the cleaning fixed water pipe. The direction of the cleaning nozzles 17 is inclined towards the transportation part of the conveyor belt to clean the lotus roots during transportation.
[0044] The water inlet of the cleaning centrifugal pump 21 is connected to an elbow VI 20. The other end of the elbow VI 20 is connected with a water pipe I 4 parallel to the support. The other end of the water pipe I 4 is connected to an elbow I 5. The other end of the elbow I 5 is connected to the third end of the tee 57. The second end of the tee 57 is connected with a water pipe II 7 extending underwater. The complete pipeline ensures the efficient operation of the cleaning device.
[0045] The specific structure of the collection mechanism is as Figure 4 、 Figure 11 、 Figure 12 and Figure 13As shown in the figure, the collection mechanism includes a lotus root storage box 1, a first rolling wheel 16, a driving motor 22, a gear I 23, a gear II 24, a bottom shaft plate 27, a drain port 28, a first rolling wheel 38, a middle shaft group 39, a top shaft 42, a bottom shaft 43, a top shaft gear 46, a bottom shaft gear 47, a middle shaft gear I 48, a middle shaft gear II 49, a conveyor belt 58, a drain trough 59 and drain holes 60. Among them, two bottom shaft plates 27 are respectively fixed on both sides of the bottom of the harvesting mechanism. The two ends of the bottom shaft 43 are fixed in the circular holes on the bottom shaft plates 27. Inner sides of both ends of the bottom shaft 43 are provided with bottom shaft gears 47. Inner sides of the baffles on both sides in the middle of the hull 13 are fixed with the middle shaft group 39, which is inclined downward. Among them, the middle shaft group 39 is arranged in a "Π" shape, and inner sides of both ends of the middle shaft group 39 are provided with a middle shaft gear I 48 and a middle shaft gear II 49. The top shaft 42 is arranged at the top of the baffles on both sides of the hull 13, and inner sides of both ends thereof are provided with and fixed with top shaft gears 46. The conveyor belt 58 surrounds the bottom shaft 43, the middle shaft group 39 and the top shaft 42 and cooperates with the gears thereon to form a transportation device.
[0046] On both inner sides of the baffle of the hull 13, a first pressing roller 16 and a second pressing roller 38 are provided. The outer end on the right side of the top shaft 42 is provided with a gear II 24. The gear II 24 is connected with the gear I 23 through a chain. The gear I 23 is fixed on the upper surface of the rotating shaft of the driving motor 22, providing power for the conveying device composed of a plurality of conveyor belts on the top shaft 42, the middle shaft group 39 and the bottom shaft 43.
[0047] A replaceable lotus root storage box 1 is provided at the tail end of the hull 13. By arranging drain holes 60 around and at the bottom of the lotus root storage box 1, arranging a drain trough 59 at the groove at the tail end of the hull 13 and arranging a drain port 28 at the back, a complete drainage system is formed, which can reduce the weight of the lotus roots stored in the lotus root storage box and avoid the damage to the lotus roots caused by soaking in water for a long time.
[0048] The specific structure of the power mechanism is as Figure 3 and Figure 10 shown. The power mechanism includes a first propeller 29, a driving housing 31, a storage battery 32, a steering gear 33, a motor 34, a driving connecting rod 44 and a second propeller 45. Among them, the driving housing 31 is fixed at the bottom of the tail end of the hull 13. The front end of the driving housing 31 is provided with a storage battery 32. The tail end of the driving housing 31 is provided with a steering gear 33. The front and rear ends of the driving housing 31 are separated by baffles and are subjected to waterproof sealing treatment.
[0049] The tail end of the steering gear 33 is fixed at the center of the inner surface of the tail end of the driving housing 15. A driving connecting rod 44 is fixed on the upper surface of the rotating shaft of the steering gear 33 to achieve small-angle rotation of the driving connecting rod 44. Both ends of the driving connecting rod 44 are respectively fixed to the sides of two motors 34. Propellers are connected to the front ends of the two motors 34. The rotation of the steering gear 33 and the two motors 34 can be controlled to achieve flexible steering and movement of the integrated lotus root harvesting machine. Protective covers in the shape of filter meshes are provided at the first propeller 29 and the second propeller 45 respectively at the tail end of the driving housing 15 to protect the two propellers and prevent sundries from entangling them.
[0050] Compared with the prior art, the integrated lotus root harvesting machine of the present invention has a novel structure, high operation efficiency, convenient maintenance, and accurate inspection. It realizes the integration of lotus root harvesting operations such as harvesting, collection, and cleaning, and solves the problem that most existing lotus root operations use manual labor to carry a high-pressure water pipe to flush and then push a floating board for collection, which is time-consuming and laborious and may seriously damage the lotus roots if the operation is improper, thus easily reducing the lotus root yield.
Claims
1. An integrated lotus root collection machine, characterized in that, It includes a hull. A harvesting mechanism is provided at the front end of the hull (13), a collection mechanism is provided in the middle of the hull (13), a lotus root storage box (1) is provided on the upper side of the tail end of the hull (13), and a power mechanism is provided on the lower side of the tail end of the hull (13); a cleaning mechanism is also provided on the hull (13), and the cleaning mechanism is located above the collection mechanism.
2. The integrated lotus root harvesting machine according to claim 1, characterized in that, A rectangular groove is provided at the tail end of the hull. A drainage groove (59) and a drainage port (28) are provided in the rectangular groove. The lotus root storage box (1) is placed above the rectangular groove, and a plurality of drainage holes (60) are evenly provided at the bottom around the lotus root storage box (1).
3. The integrated lotus root harvesting machine according to claim 2, characterized in that, A first airbag (2) and a second airbag (26) are respectively provided on both sides of the hull.
4. The integrated lotus root harvesting machine according to claim 3, characterized in that, The harvesting mechanism includes a harvesting outer shell (15); the bottom of the harvesting outer shell (15) is fixed on the rectangular hole at the front end of the hull (13). The upper baffle inside the harvesting outer shell (15) is fixed to the bottom of the harvesting centrifugal pump (35) through two nuts II (55). The water outlet of the harvesting centrifugal pump (35) is connected to the water inlets of three collecting nozzle pipes (51) in the crank rocker mechanism through three hoses; the crank rocker mechanism includes a harvesting motor (37). The harvesting motor (37) is fixed to the lower baffle inside the harvesting outer shell (15) through two nuts I (54). The driving end of the harvesting motor (37) is connected to one end of the connecting rod I (40). The other end of the connecting rod I (40) is connected to one end of the connecting rod II (41). The other end of the connecting rod II (41) is fixed to one end of the middle collecting nozzle pipe (51). Three parallel connecting rods IV (53) are fixed to one ends of the three collecting nozzle pipes (51). Both ends of the three collecting nozzle pipes (51) are arranged on the front and rear partition boards of the collecting outer shell (15). Two retractable harvesting nozzles (36) are provided at the bottom water outlets of the three collecting nozzle pipes (51).
5. The integrated lotus root harvesting machine according to claim 4, characterized in that, The water inlet of the harvesting centrifugal pump (35) is connected to the elbow V (14) through the interface of the harvesting outer shell (15). The other end of the elbow V (14) is connected to the elbow IV (11) through the water pipe V (12). The other end of the elbow IV (11) is connected to the elbow III (9) through the water pipe IV (10). The other end of the elbow III (9) is connected to the first end of the tee (57) through the water pipe III (8). The second end of the tee (57) is connected with a water pipe II (7) extending underwater.
6. The integrated lotus root harvesting machine according to claim 5, wherein, The collection mechanism includes two bottom shaft plates (27), which are respectively fixed on both sides of the bottom of the harvesting mechanism. Both ends of the bottom shaft (43) are respectively fixed in the round holes on the two bottom shaft plates (27). Inner sides of both ends of the bottom shaft (43) are provided with bottom shaft gears (47). Inner sides of both sides in the middle of the hull (13) are fixed with a middle shaft group (39), and the middle shaft group (39) is arranged in a "Π" shape. Inner sides of both ends of the middle shaft group (39) are provided with a middle shaft gear I (48) and a middle shaft gear II (49); The top shaft (42) is arranged at the top of the baffles on both sides of the hull (13), and inner sides of both ends of the top shaft (42) are fixedly provided with top shaft gears (46); The conveyor belt (58) is arranged around the bottom shaft (43), the middle shaft group (39) and the top shaft (42), and is in transmission cooperation with the bottom shaft gear (47), the middle shaft gear I (48), the middle shaft gear II (49) and the top shaft gear (46); On both sides inside the baffle of the hull (13), a first pressing roller (16) and a second pressing roller (38) are provided, and the first pressing roller (16) and the second pressing roller (38) are pressed against the outer side of the conveyor belt (58); On the outer end of one side of the top shaft (42), a gear II (24) is provided, and the gear II (24) is connected to a gear I (23) through a chain, and the gear I (23) is fixed on the upper surface of the rotating shaft of the driving motor (22).
7. The integrated lotus root harvesting machine according to claim 6, characterized in that, The power mechanism includes a driving housing (31), and the driving housing (31) is fixed at the bottom of the tail end of the hull (13). A storage battery (32) is provided at the front end of the driving housing (31), and a steering gear (33) is provided at the center of the inner surface of the tail end of the driving housing (31); On the upper surface of the rotating shaft of the steering gear (33), a driving connecting rod (44) is fixed, and both ends of the driving connecting rod (44) are respectively fixed to the sides of two motors (34). The front ends of the two motors (34) are respectively connected with a first propeller (29) and a second propeller (45).
8. The integrated lotus root harvesting machine according to claim 7, characterized in that, At the tail end of the driving housing (15), protective covers in a filter net shape are respectively provided at the positions of the first propeller (29) and the second propeller (45).
9. The integrated lotus root harvesting machine according to claim 8, characterized in that, The cleaning mechanism includes a support column (3). At the bottom, a rectangular support column (3) is fixed to the hull (13). On the upper surface of the support column (3), the water outlet of the cleaning centrifugal pump (21) is connected with a cleaning fixed water pipe, and the cleaning fixed water pipe is parallel to the surface of the hull (13). At both water outlet positions at the bottom of the cleaning fixed water pipe, retractable cleaning nozzles (17) are fixed, and the directions of the cleaning nozzles (17) are inclined and point to the transportation part of the conveyor belt to clean the lotus roots during transportation; The water inlet of the cleaning centrifugal pump (21) is connected with an elbow VI (20), the other end of the elbow VI (20) is connected with a water pipe I (4) parallel to the support column, the other end of the water pipe I (4) is connected with an elbow I (5), and the other end of the elbow I (5) is connected with the third end of a three-way pipe (57); The second end of the three-way pipe (57) is connected with a water pipe II (7) extending underwater.