CN116267173A

CN116267173A - Chinese cabbage harvester

Info

Publication number: CN116267173A
Application number: CN202310391992.4A
Authority: CN
Inventors: 解福祥; 于泳涛; 李衍军; 宋健; 田勇; 白阳; 李崔建; 刘雄
Original assignee: Weifang University
Current assignee: Weifang University
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-06-23

Abstract

The invention provides a Chinese cabbage harvester, and relates to the field of agricultural equipment. The celery cabbage harvester comprises a frame, a conveying mechanism is fixedly connected to the frame, a lifting frame is fixedly connected to one side of the frame, which is close to the conveying mechanism, a harvesting mechanism is fixedly connected to the upper surface of the lifting frame, a soil shoveling mechanism is fixedly connected to the lower surface of one end, which is far away from the lifting frame, of the harvesting mechanism, and a transferring mechanism is fixedly connected to one side, which is far away from the harvesting mechanism, of the frame. Through installing the back shaft in the transport mechanism, when enough chinese cabbage is collected to basket on the conveyer belt, the back shaft passes through bearing and support frame with pressure transfer for pressure sensor, closes the fourth motor when pressure sensor reads the setting value, makes transport mechanism stall, starts the fifth motor, makes the conveyer belt pass through baffle promotion basket and advance, carries out the automatic transportation of basket, has saved manpower and materials greatly, need not manual transport and changes the basket.

Description

Chinese cabbage harvester

Technical Field

The invention relates to the technical field of agricultural equipment, in particular to a Chinese cabbage harvester.

Background

The Chinese cabbage, called cabbage and gum vegetable, is one of the common edible vegetables in China, is widely planted in all regions of the world at present, the plants of the Chinese cabbage are biennial herbaceous plants, the height is generally 40-60 cm, the root of the Chinese cabbage is required to be cut off by bending down and digging out soil when the Chinese cabbage is harvested, time and labor are wasted, in order to save manpower, a Chinese cabbage harvester is often used for harvesting at present, and the current Chinese cabbage planting agriculture is of a ridge planting type or a flat planting type, and high-ridge double-row or high-ridge single-row cultivation is adopted for facilitating drainage.

The Chinese patent with publication number of CN108575275A discloses a small-sized Chinese cabbage harvester, which completes the cutting and harvesting of Chinese cabbage by a cutting mechanism, avoids directly waving sickles, greatly improves the safety performance of the device, stores cutters into an inner cavity of a base by the elastic action of a spring, avoids the rust abrasion caused by long-term exposure of the cutters, improves the service life of the device, but faces the situation that the harvested Chinese cabbage cannot be loaded and transported, and still needs to be loaded manually.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the invention provides a Chinese cabbage harvester, which solves the problem that the existing Chinese cabbage harvester still needs to be manually basket-loaded for transportation.

(II) technical scheme

In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a chinese cabbage harvester, includes the frame, fixedly connected with transport mechanism on the frame, one side fixedly connected with crane that the frame leaned on transport mechanism, the last fixed surface of crane is connected with the mechanism of reaping, the one end lower surface fixedly connected with shovel soil mechanism of crane is kept away from to the mechanism of reaping, one side fixedly connected with transport mechanism of mechanism is kept away from to the frame, the one end upper surface fixedly connected with unloading frame of transport mechanism, the one end fixedly connected with material collecting table of unloading frame is kept away from to the frame, the frame is close to the one end both sides of mechanism of reaping and all rotates and be connected with the front wheel, the one end both sides that the front wheel was kept away from to the frame all rotate and be connected with the rear wheel.

Through the technical scheme, the harvesting of the cabbages can be automated, the harvested cabbages are automatically basket-loaded, manpower and material resources are saved, and labor intensity is reduced.

Preferably, the lifting frame comprises a first screw rod, one side of the frame, which depends on the harvesting mechanism, is rotationally connected with the first screw rod, the frame is fixedly connected with a first motor which depends on the position of the first screw rod, the output end of the first motor is fixedly connected with the first screw rod, the first screw rod penetrates through a first fixing plate in threaded connection, two ends of the first fixing plate are fixedly connected with a second fixing plate, sliding rods penetrate through the second fixing plate, the sliding rods are fixedly connected with the frame, and one end, which is far away from the frame, of the first fixing plate is fixedly connected with a tripod.

Through above-mentioned technical scheme, can drive the mechanism that reaps and reciprocate to descend the shovel to the soil in when reaping, lift when transporting, avoid rubbing ground and damage machine.

Preferably, the harvesting mechanism comprises a frame, the frames are fixedly connected to two sides of the upper surface of the lifting frame, one end of the frame, which is close to the frame, is fixedly connected with a first fixing seat, the first fixing seat is rotationally connected with a driving roller, one end of the frame, which is far away from the driving roller, is fixedly connected with a second fixing seat, the second fixing seat is rotationally connected with a driven roller, a second motor is fixedly connected to the first fixing seat, and the output end of the second motor is fixedly connected with the driving roller.

Preferably, the frame internal fixation has the horizontal pole, rotate on the horizontal pole and be connected with a plurality of air springs, rotate on the horizontal pole and be connected with a plurality of pendulum rods, the one end that the horizontal pole was kept away from to the pendulum rod runs through and rotates and be connected with the pivot, the first roller of both ends equal fixedly connected with of pivot, the one end that the horizontal pole was kept away from to the air spring rotates with the pivot to be connected, initiative gyro wheel external fixation cover is equipped with first belt, the surface fixedly connected with lug of first belt, the one end internal fixation cover that the initiative gyro wheel was kept away from to first belt is equipped with driven gyro wheel.

Through above-mentioned technical scheme, can carry the chinese cabbage that shovel on the soil shoveling mechanism was carried to transport mechanism through the belt extrusion, through lug and gas spring promotion's pendulum rod, make the clamping strength of belt bigger, avoid the chinese cabbage to drop.

Preferably, the soil shoveling mechanism comprises a first fixing frame and a second fixing frame, the lower surface of the harvesting mechanism is fixedly connected with the first fixing frame and the second fixing frame, a guide rod is fixedly connected between the first fixing frames, a second screw rod is rotationally connected between the second fixing frames, one end of the second fixing frame is fixedly connected with a third motor, the output end of the third motor is fixedly connected with the second screw rod, a pair of connecting rods are connected to the second screw rod in a penetrating threaded manner, threads in the connecting rods are reversely arranged, the guide rod penetrates through the connecting rods in a sliding manner, and one end, far away from the first fixing frame, of the connecting rods is fixedly connected with a soil shoveling cone.

Through above-mentioned technical scheme, can adjust the interval of shovel soil awl to adapt to the chinese cabbage of equidimension not, avoid the too big unable chinese cabbage of shovel of interval or interval too little damage chinese cabbage.

Preferably, the transporting mechanism comprises a second rotating roller and a transmission case, the upper surface of the frame is fixedly connected with the transmission case, one side of the transmission case, which is close to the harvesting mechanism, is rotationally connected with a plurality of second rotating rollers, one end of the transmission case is fixedly connected with a fourth motor, one end of the transmission case, which is close to the fourth motor, is rotationally connected with a rotating plate, a cavity is formed in the transmission case, a spindle is rotationally connected with the cavity, the output end of the fourth motor is fixedly connected with the spindle, one end, which is far away from the fourth motor, of the spindle is fixedly connected with the rotating plate, the cavity is rotationally connected with a guide wheel, a plurality of driven wheels are rotationally connected with the cavity, the driven wheels are fixedly connected with the second rotating rollers, synchronous belts are sleeved outside the driven wheels, a second belt is sleeved outside the spindle, and one end, which is far away from the spindle, of the second belt is sleeved with a driven wheel.

Through the technical scheme, before the cabbages are conveyed to the transfer mechanism, soil on the cabbages is shaken off through the rotating rollers on the transfer mechanism.

Preferably, the transfer mechanism comprises a conveyor belt, a plurality of support shafts are arranged in the conveyor belt, one end of the conveyor belt is fixedly connected with a fifth motor, a baffle is fixedly connected on the conveyor belt, two ends of the support shafts are fixedly connected with bearings, a support frame is fixedly connected with the outside of the bearings, the lower end of the support frame is fixedly connected with a pressure sensor, and the lower end of the pressure sensor is fixedly connected with a frame.

Through the technical scheme, the weight of the celery cabbage in the basket is automatically weighed, so that whether the celery cabbage is full is judged.

Preferably, the unloading frame includes the fixed bolster, one side fixedly connected with that the fixed bolster is close to transport mechanism shelters from the pole, fixedly connected with a plurality of dead levers on the fixed bolster, the diapire is the slope setting in the receipts material platform, receive the material platform internal rotation and be connected with a plurality of fixed idler wheels.

Through the technical scheme, the basket can be automatically replenished, and the full basket is automatically placed below the receiving table.

Working principle: the frame 1 is driven by the front wheel 9 and the rear wheel 10 to travel into the vegetable field, the whole is pushed to advance by the agricultural tractor, the power supply of the agricultural tractor is connected to the first motor 25, the second motor 34, the third motor 43, the fourth motor 53 and the fifth motor 61 to supply power to the agricultural tractor, wherein the first motor 25, the second motor 34 and the third motor 43 are directly controlled by buttons, the third motor 43 is controlled by the buttons to drive the second screw 44 to be matched with the connecting rod 46 to open or reduce the distance between the connecting rod 46 at the moment, so that the soil spade 47 reaches a proper distance, the first motor 25 is started to drive the first screw 24 to be matched with the first fixing plate 22, so that the tripod 21 is lowered along the slide bar 26 to enable the soil spade 47 to be inserted into soil, when the whole advances, the soil spade 47 spades Chinese cabbages, the third motor 43 is controlled by the buttons to drive the first belt 312 to rotate, the Chinese cabbage is conveyed upwards by extrusion through two first belts 312, the first rotating roller 311 on the swinging rod 39 is supported by the gas spring 38 at the moment, thereby providing enough clamping force in cooperation with the convex blocks 313, then the Chinese cabbage falls on the second rotating roller 51, the fourth motor 53 is controlled by the button to drive the main shaft 56 to rotate, the main shaft 56 drives the driven wheel 59 to rotate through the second belt 57, the driven wheel 59 synchronously rotates through the synchronous belt 510, at the moment, the driven wheel 59 drives the second rotating roller 51 to rotate, the Chinese cabbage is conveyed to the rotating plate 54, the main shaft 56 drives the rotating plate 54 to rotate, the Chinese cabbage is stirred into the basket on the conveying belt 62, a plurality of baskets are vertically stacked in the lower material rack 7 at the moment, and when the Chinese cabbage in the basket on the conveying belt 62 is more and more, the supporting shaft 64 under the conveying belt 62 is transmitted to the pressure sensor 67 through the bearing 65 and the supporting frame 66, the fourth motor 53 stops rotating, the fifth motor 61 is started to drive the conveyor belt 62 to push the basket towards the receiving table 8, the basket is slid to the bottommost end through the fixed roller 11 in the receiving table 8, meanwhile, the baffle 63 on the conveyor belt 62 pushes the basket in the blanking frame 7 to move below the conveying mechanism 5 to wait for loading, the rest of the basket is blocked by the fixed rod 72, and when the bottommost basket is removed, the rest of the basket falls onto the conveyor belt 62 through gravity.

(III) beneficial effects

The invention provides a Chinese cabbage harvester. The beneficial effects are as follows:

1. the harvesting mechanism is driven to move up and down by the lifting frame, so that the harvesting mechanism is suitable for different ground heights, the soil-shoveling cone is lowered to be inserted into soil when harvesting, the celery cabbage is shoveled up, the soil-shoveling cone is lifted when the celery cabbage is lifted during normal transportation, damage caused by collision with the ground is avoided, the second screw rod and the connecting rod on the soil-shoveling mechanism are installed, and the third motor drives the second screw rod to control the gap between the soil-shoveling cones, so that the harvesting mechanism is suitable for celery cabbage with different sizes.

2. According to the invention, the plurality of support shafts are arranged in the transfer mechanism, when enough cabbages are collected by the basket on the conveyor belt, the support shafts transmit pressure to the pressure sensor through the bearing and the support frame, when the pressure sensor reads a set value, the fourth motor is turned off, the conveyor mechanism is stopped, the fifth motor is started, the conveyor belt is enabled to drive the basket to advance, the basket enters the receiving table and slides to the bottom through the support of the fixed rollers under the action of gravity, meanwhile, the basket in the blanking frame is driven to the position below the discharge hole of the conveyor mechanism through the baffle on the conveyor belt, the pressure born by the support shafts is reduced, the fifth motor is stopped, the fourth motor is started, and loading of cabbages is continued.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a bottom block diagram of the present invention;

FIG. 3 is a block diagram of a harvesting mechanism according to the present invention;

FIG. 4 is an internal perspective view of the harvesting mechanism of the present invention;

FIG. 5 is a block diagram of a transfer mechanism according to the present invention;

FIG. 6 is a diagram of the weight shaft of the present invention;

fig. 7 is a diagram showing the internal structure of the transmission case of the present invention.

Wherein, 1, a frame; 2. a lifting frame; 21. a tripod; 22. a first fixing plate; 23. a second fixing plate; 24. a first screw rod; 25. a first motor; 26. a slide bar; 3. a harvesting mechanism; 31. a frame; 32. a first fixing seat; 33. a driving roller; 34. a second motor; 35. the second fixing seat; 36. a driven roller; 37. a cross bar; 38. a gas spring; 39. swing rod; 310. a rotating shaft; 311. a first rotating roller; 312. a first belt; 313. a bump; 4. a soil shoveling mechanism; 41. a first fixing frame; 42. the second fixing frame; 43. a third motor; 44. a second screw rod; 45. a guide rod; 46. a connecting rod; 47. a shovel cone; 5. a transport mechanism; 51. a second rotating roller; 52. a transmission case; 53. a fourth motor; 54. a rotating plate; 55. a cavity; 56. a main shaft; 57. a second belt; 58. a guide wheel; 59. driven wheel; 510. a synchronous belt; 6. a transfer mechanism; 61. a fifth motor; 62. a conveyor belt; 63. a baffle; 64. a support shaft; 65. a bearing; 66. a support frame; 67. a pressure sensor; 7. a blanking frame; 71. a fixed bracket; 72. a fixed rod; 73. a shielding rod; 8. a material receiving table; 9. a front wheel; 10. a rear wheel; 11. and fixing the roller.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Embodiment one:

as shown in fig. 1, the embodiment of the invention provides a celery cabbage harvester, which comprises a frame 1, wherein a conveying mechanism 5 is fixedly connected to the frame 1, a lifting frame 2 is fixedly connected to one side of the frame 1, which is close to the conveying mechanism 5, a harvesting mechanism 3 is fixedly connected to the upper surface of the lifting frame 2, a soil shoveling mechanism 4 is fixedly connected to the lower surface of one end, which is far away from the lifting frame 2, of the harvesting mechanism 3, a transferring mechanism 6 is fixedly connected to one side, which is far away from the harvesting mechanism 3, of the frame 1, a blanking frame 7 is fixedly connected to the upper surface of one end, which is far away from the blanking frame 7, of the frame 1, a material collecting table 8 is fixedly connected to both sides of one end, which is close to the harvesting mechanism 3, of the frame 1, a front wheel 9 is rotatably connected to both sides of one end, which is far away from the front wheel 9, of the frame 1, a rear wheel 10 is rotatably connected to both sides.

As shown in fig. 2, the lifting frame 2 comprises a first screw rod 24, one side of the frame 1, which is close to the harvesting mechanism 3, is rotationally connected with the first screw rod 24, the frame 1, which is close to the first screw rod 24, is fixedly connected with a first motor 25, the output end of the first motor 25 is fixedly connected with the first screw rod 24, the first screw rod 24 is connected with a first fixing plate 22 through threads, both ends of the first fixing plate 22 are fixedly connected with a second fixing plate 23, a sliding rod 26 is connected in the second fixing plate 23 in a penetrating and sliding manner, the sliding rod 26 is fixedly connected with the frame 1, one end, which is far away from the frame 1, of the first fixing plate 22 is fixedly connected with a tripod 21, the soil-shoveling mechanism 4 comprises a first fixing frame 41 and a second fixing frame 42, the lower surface of the harvesting mechanism 3 is fixedly connected with a first fixing frame 41 and a second fixing frame 42, a guide rod 45 is fixedly connected between the first fixing frames 41, one end of the second fixing frame 42 is fixedly connected with a third motor 43, the output end of the third motor 43 is fixedly connected with a second screw rod 44, a pair of connecting rods 46 are connected with a pair of connecting rods 46 through threads, and a pair of connecting rods 46 are connected with one end, which is far away from the first connecting rods 46 through threads, and the first connecting rods 46 are fixedly connected with one end of the first connecting rods 46 through the connecting rods and the opposite directions, and the connecting rods 46 are connected with the connecting rods and the connecting rods 46 through a screw rods and 46.

As shown in fig. 3 and 4, the harvesting mechanism 3 includes a frame 31, both sides of the upper surface of the lifting frame 2 are fixedly connected with the frame 31, one end of the frame 31, which is close to the frame 1, is fixedly connected with a first fixing seat 32, one end of the first fixing seat 32, which is far away from the driving roller 33, is fixedly connected with a second fixing seat 35, one end of the frame 31, which is far away from the driving roller 33, is fixedly connected with a second motor 34, the output end of the second motor 34 is fixedly connected with the driving roller 33, a cross bar 37 is fixedly connected with the frame 31, a plurality of gas springs 38 are rotatably connected with the cross bar 37, a plurality of swinging rods 39 are rotatably connected with a rotating shaft 310, both ends of the rotating shaft 310 are fixedly connected with first rotating rollers 311, one end of the gas springs 38, which is far away from the cross bar 37, is rotatably connected with the rotating shaft 310, a first belt 312 is fixedly sleeved outside the driving roller 33, the outer surface of the first belt 312 is fixedly connected with a plurality of driven rollers 313, and one end of the first belt 312, which is far away from the driving roller 33, is fixedly sleeved with a driven roller 36.

As shown in fig. 5, 6 and 7, the transporting mechanism 5 comprises a second rotating roller 51 and a transmission case 52, the upper surface of the frame 1 is fixedly connected with the transmission case 52, one side of the transmission case 52 close to the harvesting mechanism 3 is rotationally connected with a plurality of second rotating rollers 51, one end of the transmission case 52 is fixedly connected with a fourth motor 53, one end of the transmission case 52 close to the fourth motor 53 is rotationally connected with a rotating plate 54, a cavity 55 is arranged in the transmission case 52, a main shaft 56 is rotationally connected with the cavity 55, the output end of the fourth motor 53 is fixedly connected with the main shaft 56, one end of the main shaft 56 far away from the fourth motor 53 is fixedly connected with the rotating plate 54, the cavity 55 is rotationally connected with a guide wheel 58, the cavity 55 is rotationally connected with a plurality of driven wheels 59, the driven wheels 59 are fixedly connected with the second rotating roller 51, the driven wheels 59 are sleeved with a synchronous belt 510, the outer fixed cover of main shaft 56 is equipped with second belt 57, the one end endotheca that the main shaft 56 was kept away from to second belt 57 is equipped with from the driving wheel 59, transfer mechanism 6 includes conveyer belt 62, be provided with a plurality of back shaft 64 in the conveyer belt 62, the one end fixedly connected with fifth motor 61 of conveyer belt 62, fixedly connected with baffle 63 on the conveyer belt 62, the both ends of back shaft 64 all fixedly connected with bearing 65, bearing 65 outer fixedly connected with support frame 66, the lower extreme fixedly connected with pressure sensor 67 of support frame 66, the lower extreme and the frame 1 fixed connection of pressure sensor 67, unloading frame 7 includes fixed bolster 71, one side that the fixed bolster 71 is close to transfer mechanism 6 is fixedly connected with and shelters from pole 73, fixedly connected with a plurality of dead levers 72 on the fixed bolster 71, the inner bottom wall of material receiving platform 8 is the slope setting, material receiving platform 8 internal rotation is connected with a plurality of fixed idler wheels 11.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a chinese cabbage harvester, includes frame (1), its characterized in that: fixedly connected with transport mechanism (5) on frame (1), one side fixedly connected with crane (2) of frame (1) by transport mechanism (5), the last fixed surface of crane (2) is connected with harvesting mechanism (3), the one end lower surface fixedly connected with shovel soil mechanism (4) of crane (2) are kept away from to harvesting mechanism (3), one side fixedly connected with transport mechanism (6) of harvesting mechanism (3) is kept away from to frame (1), the one end upper surface fixedly connected with unloading frame (7) of transport mechanism (6), one end fixedly connected with material collecting table (8) of unloading frame (7) are kept away from to frame (1), the one end both sides that frame (1) are close to harvesting mechanism (3) are all rotated and are connected with front wheel (9), the one end both sides that front wheel (9) were kept away from to frame (1) are all rotated and are connected with rear wheel (10).

2. A chinese cabbage harvester according to claim 1, wherein: the lifting frame (2) comprises a first screw rod (24), one side of the frame (1) which depends on a harvesting mechanism (3) is rotationally connected with the first screw rod (24), the frame (1) is fixedly connected with a first motor (25) which depends on the position of the first screw rod (24), the output end of the first motor (25) is fixedly connected with the first screw rod (24), the first screw rod (24) is connected with a first fixing plate (22) in a penetrating thread manner, two ends of the first fixing plate (22) are fixedly connected with a second fixing plate (23), sliding rods (26) are connected in the second fixing plate (23) in a penetrating sliding manner, and the sliding rods (26) are fixedly connected with the frame (1), and one end of the first fixing plate (22) which is far away from the frame (1) is fixedly connected with a tripod (21).

3. A chinese cabbage harvester according to claim 1, wherein: the harvesting mechanism (3) comprises a frame (31), the two sides of the upper surface of the lifting frame (2) are fixedly connected with the frame (31), one end of the frame (31) close to the frame (1) is fixedly connected with a first fixing seat (32), the first fixing seat (32) is rotationally connected with a driving roller (33), one end of the frame (31) away from the driving roller (33) is fixedly connected with a second fixing seat (35), the second fixing seat (35) is rotationally connected with a driven roller (36), a second motor (34) is fixedly connected to the first fixing seat (32), and the output end of the second motor (34) is fixedly connected with the driving roller (33).

4. A chinese cabbage harvester according to claim 3, wherein: the utility model discloses a frame (31) internal fixation has horizontal pole (37), rotate on horizontal pole (37) and be connected with a plurality of air springs (38), rotate on horizontal pole (37) and be connected with a plurality of pendulum rods (39), the one end that horizontal pole (37) was kept away from to pendulum rods (39) runs through and rotates and be connected with pivot (310), the first roller (311) of both ends equal fixedly connected with of pivot (310), the one end that horizontal pole (37) was kept away from to air springs (38) rotates with pivot (310) to be connected, initiative gyro wheel (33) external fixation cover is equipped with first belt (312), the surface fixedly connected with lug (313) of first belt (312), the one end internal fixation cover that initiative gyro wheel (33) was kept away from to first belt (312) is equipped with driven gyro wheel (36).

5. A chinese cabbage harvester according to claim 1, wherein: the utility model provides a soil shoveling mechanism (4) includes first mount (41) and second mount (42), the lower fixed surface of harvesting mechanism (3) is connected with first mount (41) and second mount (42), fixedly connected with guide arm (45) between first mount (41), rotate between second mount (42) and be connected with second lead screw (44), the one end fixedly connected with third motor (43) of second mount (42), the output fixedly connected with second lead screw (44) of third motor (43), run through threaded connection has a pair of connecting rod (46) on second lead screw (44), a pair of screw thread in connecting rod (46) is reverse setting, guide arm (45) run through sliding connection connecting rod (46), the one end that first mount (41) were kept away from to connecting rod (46) is all fixedly connected with soil shoveling awl (47).

6. A chinese cabbage harvester according to claim 1, wherein: the transport mechanism (5) comprises a second rotating roller (51) and a transmission case (52), the upper surface of the frame (1) is fixedly connected with a transmission case (52), one side of the transmission case (52) close to the harvesting mechanism (3) is rotatably connected with a plurality of second rotating rollers (51), one end of the transmission case (52) is fixedly connected with a fourth motor (53), one end of the transmission case (52) close to the fourth motor (53) is rotatably connected with a rotating plate (54), a cavity (55) is arranged in the transmission case (52), a main shaft (56) is rotationally connected in the cavity (55), the output end of the fourth motor (53) is fixedly connected with a main shaft (56), one end of the main shaft (56) far away from the fourth motor (53) is fixedly connected with the rotating plate (54), the cavity (55) is rotationally connected with a guide wheel (58), the cavity (55) is rotationally connected with a plurality of driven wheels (59), the driven wheels (59) are fixedly connected with a second rotating roller (51), synchronous belts (510) are sleeved outside the driven wheels (59), a second belt (57) is fixedly sleeved outside the main shaft (56), and a driven wheel (59) is sleeved in one end of the second belt (57) far away from the main shaft (56).

7. A chinese cabbage harvester according to claim 1, wherein: the transfer mechanism (6) comprises a conveying belt (62), a plurality of supporting shafts (64) are arranged in the conveying belt (62), a fifth motor (61) is fixedly connected to one end of the conveying belt (62), a baffle (63) is fixedly connected to the conveying belt (62), bearings (65) are fixedly connected to two ends of the supporting shafts (64), a supporting frame (66) is fixedly connected to the outside of the bearings (65), a pressure sensor (67) is fixedly connected to the lower end of the supporting frame (66), and the lower end of the pressure sensor (67) is fixedly connected with a frame (1).

8. A chinese cabbage harvester according to claim 1, wherein: the blanking frame (7) comprises a fixed support (71), one side of the fixed support (71) close to the transfer mechanism (6) is fixedly connected with a shielding rod (73), a plurality of fixed rods (72) are fixedly connected to the fixed support (71), the inner bottom wall of the material collecting table (8) is obliquely arranged, and a plurality of fixed rollers (11) are rotationally connected to the material collecting table (8).