阅读说明：本技术 大葱联合收获机 (Green Chinese onion combine harvester ) 是由 王方艳 潘永菲 孙光全 于 2020-07-29 设计创作，主要内容包括：本发明涉及农业机械,特别是一种大葱联合收获机。分土装置、挖掘装置、抖土输送装置和铺放收集装置从前至后依次设置在机架上；所述分土装置包括两个位于同一水平面的圆盘分土耙和液压马达Ⅰ,圆盘分土耙的中部设有中心转轴,中心转轴与支撑杆的底部铰接,支撑杆的顶部与转动轴Ⅰ固定连接,液压马达Ⅰ固定在转动轴Ⅰ的顶端,液压马达Ⅰ与圆盘分土耙的中心转轴之间通过链传动连接,转动轴Ⅰ的上端固定有滑板,滑板与其后方的固定板滑动连接,固定板与其后方的转动法兰固定连接,转动法兰与机架的前端连接。其实现了大葱收获环节的分土挖掘、抖土、夹持输送、铺放收集,提高了大葱收获过程的机械化作业水平,保证了大葱收获的质量和产量。(The invention relates to agricultural machinery, in particular to a green Chinese onion combine harvester. The soil separating device, the excavating device, the soil shaking conveying device and the laying and collecting device are sequentially arranged on the rack from front to back; divide native device to include that two discs that are located same horizontal plane divide native harrow and hydraulic motor I, the middle part that the disc divides native harrow is equipped with central pivot, central pivot is articulated with the bottom of bracing piece, the top and the I fixed connection of axis of rotation of bracing piece, hydraulic motor I fixes the top at axis of rotation I, through chain drive connection between the central pivot of hydraulic motor I and disc branch native harrow, the upper end of axis of rotation I is fixed with the slide, the slide is rather than the fixed plate sliding connection at rear, the fixed plate is rather than the rotation flange fixed connection at rear, the rotation flange is connected with the front end of frame. The soil dividing excavation, soil shaking, clamping conveying, laying and collecting in the green Chinese onion harvesting link are realized, the mechanized operation level in the green Chinese onion harvesting process is improved, and the green Chinese onion harvesting quality and yield are guaranteed.)

1. A green Chinese onion combine harvester comprises a frame (1), and is characterized in that: the soil separating device (2), the excavating device (3), the soil shaking conveying device (4) and the laying collecting device (5) are further included, and the soil separating device (2), the excavating device (3), the soil shaking conveying device (4) and the laying collecting device (5) are sequentially arranged on the rack (1) from front to back;

the soil separating device (2) comprises two disc soil separating rakes (201) and a hydraulic motor I (205), the two disc soil separating rakes (201) are located at the bottom of the rack and are symmetrically arranged, a central rotating shaft is arranged in the middle of each disc soil separating rake (201) and hinged to the bottom of each supporting rod (202), the top of each supporting rod (202) is fixedly connected with the corresponding rotating shaft I (203), the hydraulic motor I (205) is fixed to the top end of the corresponding rotating shaft I (203), the hydraulic motor I (205) is in chain transmission connection with the central rotating shaft of each disc soil separating rake (201), a sliding plate (208) is fixed to the upper end of the corresponding rotating shaft I (203), the sliding plate (208) is in sliding connection with a fixing plate (206) behind the corresponding sliding plate, the fixing plate (206) is fixedly connected with a rotating flange (207) behind the corresponding sliding plate, and the rotating flange (207) is connected with the front end of the rack;

the excavating device comprises two excavating supports, an excavating shovel (303), a crank-slider mechanism and a soil breaking mechanism which are arranged in parallel, wherein the excavating supports are L-shaped and comprise a vertical support (301) and a horizontal support (302) which are vertically connected, the front end of the horizontal support (302) is provided with a sliding chute IV (306), the rear end of the horizontal support (302) is fixedly connected with the bottom of the vertical support (301), the top of the vertical support (301) is fixedly connected with a machine frame (1), the excavating shovel (303) is positioned between the two excavating supports, two outer side walls of the excavating shovel (303) are respectively and fixedly provided with a sliding rod I (309) and a sliding rod II (307), the sliding rod I (309) is positioned in the middle of the side wall, the sliding rod II (307) is positioned at the rear part of the side wall, the end parts of the sliding rod I (309) and the sliding rod II (307) are both arranged in the sliding chute IV (306) and slide in the sliding, the sliding rod II (307) is connected with the vertical bracket (301) through a crank slider mechanism;

the ground breaking mechanism is positioned at the front end of the horizontal support (302) and comprises a hydraulic motor II (312), a rotating disc (311) and ground breaking rollers (310), a rotating shaft is fixed at the bottom of the rotating disc (311), an output shaft of the hydraulic motor II (312) is in transmission connection with the bottom of the rotating shaft of the rotating disc (311) through a bevel gear, and a plurality of ground breaking rollers (310) are fixed on the outer side wall of the circumference of the rotating disc (311) at intervals;

the soil shaking conveying device (4) comprises a soil shaking mechanism and a conveying mechanism, the soil shaking mechanism is located behind the excavating shovel and is connected with the excavating mechanism, the conveying mechanism is located above the soil shaking mechanism, the soil shaking mechanism comprises a hydraulic motor III (401), a rotating shaft II (402), a shaft sleeve (404), a connecting column (406) and a soil shaking roller (409), one end of the rotating shaft II (402) is connected with the output end of the hydraulic motor III (401), the shaft sleeve (404) is sleeved outside the other end of the rotating shaft II (402), the rotating shaft II (402) is in key connection with the shaft sleeve (404), one end of the shaft sleeve (404) is provided with an opening, the other end of the shaft sleeve (404) is connected with an eccentric wheel II (405), the top of the connecting column (406) is fixedly connected with the eccentric wheel II (405), the bottom of the connecting column (406) is connected with a connecting rod II (407), and the rear end of the connecting rod II (407) is, the front end of the connecting rod II (407) is fixedly connected with the connecting rod III (408), the two ends of the connecting rod III (408) are hinged to the connecting rods I (304) on the two sides respectively, a plurality of soil shaking rollers (409) are arranged on the connecting rod III (408) at intervals along the axial direction of the connecting rod III, and the front ends of the soil shaking rollers (409) are fixedly connected with the connecting rod III (408).

2. The combined harvester of scallion as set forth in claim 1, wherein: two turntables (204) are fixed on the rotating shaft I (203) at intervals along the axial direction of the rotating shaft I, the two turntables (204) are respectively positioned above and below the sliding plate (208), an arc-shaped sliding groove I is arranged on the turntables (204), and a bolt I penetrates through the sliding groove I on the turntables (204) and is fixedly connected with the sliding plate (208);

the sliding plate (208) is in sliding connection with the fixing plate (206), the sliding plate (208) is provided with a sliding groove II, a sliding protrusion is correspondingly arranged on the front side surface of the fixing plate (206), the sliding protrusion is arranged in the sliding groove II and slides along the sliding groove II, and the bolt II penetrates through the sliding groove II to be fixedly connected with the fixing plate (206);

the rotary flange (207) is rotatably connected with the front end of the rack 1, an arc-shaped sliding groove III is formed in the rotary flange (207), and the bolt III penetrates through the sliding groove III to be fixedly connected with the front end of the rack.

3. The combined harvester of scallion as set forth in claim 1, wherein: the front part of the sliding groove IV (306) is provided with a fixing hole (308), a blocking block is placed in the fixing hole, and the blocking block is positioned behind the end part of the sliding rod I (309).

4. The combined harvester of scallion as set forth in claim 1, wherein: the crank block mechanism comprises an eccentric wheel I (305) and a connecting rod I (304), the eccentric wheel I (305) is hinged to the vertical support (301), an eccentric rod on the eccentric wheel I (305) is connected with one end of the connecting rod I (304), and the other end of the connecting rod I (304) is hinged to a sliding rod II (307).

5. The combined harvester of scallion as set forth in claim 1, wherein: the conveying mechanism comprises a conveying belt and a conveying belt rack, the conveying belt is arranged on the conveying belt rack, the two conveying belts are arranged in an inclined mode, the front ends of the two conveying belts are lower than the rear ends of the two conveying belts, the rotating directions of the two conveying belts are opposite, the front ends of the conveying belts are located above the soil shaking mechanism, the rear end of the conveying belt rack is provided with a front position adjusting rod (410) and a rear position adjusting rod (410), the top ends of the front position adjusting rod and the rear position adjusting rod (410) are hinged to the rear end of the conveying belt rack, the bottom of the front position adjusting rod and the rear position adjusting rod (410) are connected with a sliding block (411) fixed on the rack (1), the sliding block (411) is provided with a sliding groove parallel to; the middle part of the conveying belt rack is fixed with a height adjusting rod (412), and the top of the height adjusting rod (412) is connected with a top frame (101) of the rack (1) through a hydraulic rod (413).

6. The combined harvester of scallion as set forth in claim 1, wherein: the laying and collecting device comprises a laying mechanism and a collecting mechanism, the laying mechanism is positioned behind the conveying mechanism, the collecting mechanism is positioned behind the laying mechanism, the laying mechanism comprises two rubber discs (503), clamping sheets (505) and Y-shaped connecting pieces (507), the two rubber discs (503) are symmetrically fixed on a rubber disc shaft (506), the middle parts of the outer sides of the two rubber discs (503) are respectively provided with the clamping sheets (505) for applying inward clamping force, the clamping sheets (505) are fixedly connected with the rack, and the space between the two rubber discs (503) under the conveying mechanism, and a Y-shaped connecting piece (507) for applying an outward supporting force is arranged between the two rubber discs (503) facing the collecting mechanism, two ends of the top of the Y-shaped connecting piece are respectively attached to the inner walls of the two rubber discs (503), the bottom of the Y-shaped connecting piece is fixedly connected with the rack, and the end parts of the rubber disc shafts (506) of the rubber discs are connected with the rubber disc support (501).

7. A combined scallion harvester according to claim 6, wherein: the rubber disc support is characterized in that a sliding groove in the horizontal direction is formed in the rubber disc support (501), the end portion of the rubber disc shaft (506) is arranged in the sliding groove and moves back and forth along the sliding groove, the rubber disc support (501) and the height adjusting frame (502) are connected in a sliding mode, the height adjusting frame (502) is fixed on the rack, the rubber disc support (501) is provided with the sliding groove in the vertical direction, and the bolt penetrates through the sliding groove and is connected with the height adjusting frame (502).

8. The combined harvester of scallion as set forth in claim 1, wherein: the collecting mechanism comprises a side conveying belt (508) and a collecting box positioned below one side of the side conveying belt (508), the side conveying belt (508) is positioned below the rear part of the paving mechanism, a stacking inclined plate (509) and a stacking baffle plate (510) are arranged at the tail part of the side conveying belt (508) along the movement direction of the side conveying belt, the stacking inclined plate (509) is arranged along the side conveying belt direction, the stacking baffle plate (510) is arranged perpendicular to the side conveying belt direction, the stacking baffle plate (510) is positioned above the stacking inclined plate (509), a certain included angle is formed between the stacking inclined plate (509) and the horizontal direction, one end of the stacking inclined plate (509) facing the tail part of the side conveying belt is lower than the other end, a stacking side plate (511) is arranged on the side conveying belt tail part, the stacking side plate (511) is fixedly connected with the side conveying belt, the stacking baffle plate (510) is connected with the stacking side plates (511) on the two sides through an incomplete gear intermittent mechanism, the incomplete gear (512) is hinged with the top of the stacking side plate (511), the stacking side plate (511) is connected with the top of the stacking baffle plate (510) through a rotating shaft, the gear (513) is fixed at one end of the rotating shaft, and the gear (513) is meshed with the incomplete gear (512).

Technical Field

The invention relates to agricultural machinery, in particular to a green Chinese onion combine harvester.

Background

The green Chinese onions are one of main leaf vegetables in China, the planting area is large, the yield is high, and the planting area of the green Chinese onions in the Shandong province in 2019 is as high as 150 ten thousand mu. Because the scallion has the characteristics of heat resistance, cold resistance and strong adaptability, the production all the year round can be realized in the planting industry of China.

In the production link of the green Chinese onions, the most key is the harvesting link, and the final benefit of the green Chinese onions is directly influenced by the harvesting quality of the green Chinese onions. By adopting the traditional manual harvesting method, the harvesting link is complicated, a large amount of labor force is consumed, and the production cost is increased. The mechanical harvesting has the advantages of high efficiency, low harvesting cost and the like, and becomes the main harvesting mode of the current green Chinese onions, but the prior green Chinese onion harvesting machine mainly realizes the excavation of the green Chinese onions and does not realize the combined harvesting of the green Chinese onions, including the excavation, soil removal, conveying, laying and collection of the green Chinese onions, so that the green Chinese onion harvester in China is still blank in the aspects of combined harvesting technology and equipment. The invention aims to provide a novel green Chinese onion combine harvester which is used for realizing the purposes of digging soil of green Chinese onions, removing the soil, conveying the soil, laying and collecting the soil.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a green Chinese onion combine harvester which realizes soil dividing excavation, soil shaking, clamping conveying, laying and collection in a green Chinese onion harvesting link, improves the mechanized operation level in the green Chinese onion harvesting process, and ensures the quality and yield of green Chinese onion harvesting.

The technical scheme of the invention is as follows: a green Chinese onion combine harvester comprises a rack, and further comprises a soil separating device, an excavating device, a soil shaking conveying device and a laying and collecting device, wherein the soil separating device, the excavating device, the soil shaking conveying device and the laying and collecting device are sequentially arranged on the rack from front to back;

the soil separating device comprises two disc soil separating rakes and a hydraulic motor I, wherein the two disc soil separating rakes are positioned at the bottom of the rack and are symmetrically arranged, a central rotating shaft is arranged in the middle of each disc soil separating rake and is hinged with the bottom of a supporting rod, the top of each supporting rod is fixedly connected with the rotating shaft I, the hydraulic motor I is fixed at the top end of the rotating shaft I, the hydraulic motor I is connected with the central rotating shaft of each disc soil separating rake through chain transmission, a sliding plate is fixed at the upper end of the rotating shaft I, the sliding plate is connected with a fixing plate behind the sliding plate in a sliding manner, the fixing plate is fixedly connected with a rotating flange behind the fixing plate, and the rotating flange is connected with;

the excavating device comprises two excavating supports, an excavating shovel, a slider-crank mechanism and a soil breaking mechanism which are arranged in parallel, wherein each excavating support is L-shaped and comprises a vertical support and a horizontal support which are vertically connected, the front end of each horizontal support is provided with a sliding chute IV, the rear end of each horizontal support is fixedly connected with the bottom of each vertical support, the top of each vertical support is fixedly connected with a rack, the excavating shovel is positioned between the two excavating supports, two outer side walls of the excavating shovel are respectively and fixedly provided with a sliding rod I and a sliding rod II, the sliding rod I is positioned in the middle of the side wall, the sliding rod II is positioned at the rear part of the side wall, the end parts of the sliding rod I and the sliding rod II are both arranged in the sliding chutes IV and slide in the sliding chutes IV, and the sliding rods II are;

the ground breaking mechanism is positioned at the front end of the horizontal support and comprises a hydraulic motor II, a rotating disc and ground breaking rollers, a rotating shaft is fixed at the bottom of the rotating disc, an output shaft of the hydraulic motor II is in transmission connection with the bottom of the rotating shaft of the rotating disc through a bevel gear, and a plurality of ground breaking rollers are fixed on the outer circumferential side wall of the rotating disc at intervals;

the soil shaking and conveying device comprises a soil shaking mechanism and a conveying mechanism, the soil shaking mechanism is positioned at the rear part of the digging shovel and is connected with the digging mechanism, the conveying mechanism is positioned above the soil shaking mechanism, the soil shaking mechanism comprises a hydraulic motor III and a rotating shaft II, the axle sleeve, spliced pole and tremble native roller, the one end of axis of rotation II is connected with hydraulic motor III's output, the other end outside cover of axis of rotation II has the axle sleeve, be the key-type connection between axis of rotation II and the axle sleeve, the one end of axle sleeve is equipped with the opening, the other end and the eccentric wheel II of axle sleeve are connected, the top and the eccentric wheel II fixed connection of spliced pole, the bottom and the connecting rod II of spliced pole are connected, the rear end and the spliced pole of connecting rod II are articulated, the front end and the III fixed connection of connecting rod II, the both ends of connecting rod III are articulated with the connecting rod I of both sides respectively, set up the several on the connecting rod III along its axial interval and.

According to the invention, two turntables are fixed on the rotating shaft I at intervals along the axial direction of the rotating shaft I, the two turntables are respectively positioned above and below the sliding plate, an arc-shaped sliding groove I is arranged on each turntable, and a bolt I penetrates through the sliding groove I on each turntable and is fixedly connected with the sliding plate;

the sliding plate is in sliding connection with the fixing plate, a sliding groove II is formed in the sliding plate, a sliding protrusion is correspondingly arranged on the front side surface of the fixing plate and is arranged in the sliding groove II, the sliding protrusion slides along the sliding groove II, and the bolt II penetrates through the sliding groove II and is fixedly connected with the fixing plate;

the rotary flange is rotatably connected with the front end of the rack, an arc-shaped sliding groove III is formed in the rotary flange, and the bolt III penetrates through the sliding groove III to be fixedly connected with the front end of the rack.

The front part of the sliding groove IV is provided with a fixing hole, a blocking block is placed in the fixing hole, and the blocking block is located behind the end part of the sliding rod I. When vibration excavation is not needed, the crank-slider mechanism stops acting, the blocking block is placed in the fixed hole, excavation resistance can be received in the excavation process of the excavating shovel, and the blocking block is used for preventing the excavating shovel from moving backwards due to the excavation resistance, so that the fixed excavation of the excavating shovel is realized.

The crank sliding block mechanism comprises an eccentric wheel I and a connecting rod I, the eccentric wheel I is hinged with the vertical support, an eccentric rod on the eccentric wheel I is connected with one end of the connecting rod I, and the other end of the connecting rod I is hinged with a sliding rod II;

the conveying mechanism comprises a conveying belt and a conveying belt rack, the conveying belt is arranged on the conveying belt rack, the two conveying belts are arranged in an inclined mode, the front ends of the two conveying belts are lower than the rear ends of the two conveying belts, the rotating directions of the two conveying belts are opposite, the front ends of the conveying belts are located above the soil shaking mechanism, the rear end of the conveying belt rack is provided with a front position adjusting rod and a rear position adjusting rod, the top ends of the front position adjusting rod and the rear position adjusting rod are hinged to the rear end of the conveying belt rack, the bottom of the front position adjusting rod and the bottom of the rear position adjusting rod are connected with a sliding block fixed on the rack, the sliding block is provided with a; the middle part of the conveyer belt frame is fixed with a height adjusting rod, and the top of the height adjusting rod is connected with the top frame of the frame through a hydraulic rod. The hydraulic rod makes the conveyer belt frame swing along the top of altitude mixture control pole in-process that stretches out and draws back to adjust the upper and lower position of conveyer belt frame front end. The upper and lower positions and the front and rear positions of the conveying belt are adjusted, so that the conveying mechanism can clamp and convey different varieties of scallion with different heights.

The laying and collecting device comprises a laying mechanism and a collecting mechanism, the laying mechanism is located behind a conveying mechanism, the collecting mechanism is located behind the laying mechanism, the laying mechanism comprises two rubber discs, a clamping piece and a Y-shaped connecting piece, the two rubber discs are symmetrically fixed on a rubber disc shaft, the middle parts of the outer sides of the two rubber discs are respectively provided with the clamping piece for applying inward clamping force, the clamping piece is fixedly connected with a rack, the Y-shaped connecting piece for applying outward supporting force is arranged between the two rubber discs under the rubber disc conveying mechanism and between the two rubber discs facing the collecting mechanism, the two ends of the top of the Y-shaped connecting piece are respectively attached to the inner walls of the two rubber discs, the bottom of the Y-shaped connecting piece is fixedly connected with the rack, and the end part of the rubber disc shaft is connected with a rubber disc support.

The rubber disc support is provided with a horizontal sliding groove, the end part of the rubber disc shaft is arranged in the sliding groove and moves back and forth along the sliding groove, the rubber disc support and the height adjusting frame are connected in a sliding mode, the height adjusting frame is fixed on the rack, the rubber disc support is provided with a vertical sliding groove, and the bolt penetrates through the sliding groove and is connected with the height adjusting frame.

The collecting mechanism comprises a side conveying belt and a collecting box positioned below one side of the side conveying belt, the side conveying belt is positioned at the rear lower part of the paving mechanism, a stacking inclined plate and a stacking baffle plate are arranged at the tail part of the side conveying belt along the movement direction of the side conveying belt, the stacking inclined plate is arranged along the side conveying belt direction, the stacking baffle plate is arranged perpendicular to the side conveying belt direction, the stacking baffle plate is positioned above the stacking inclined plate, a certain included angle is formed between the stacking inclined plate and the horizontal direction, one end of the stacking inclined plate facing the tail part of the side conveying belt is lower than the other end, a stacking side plate is arranged on the side surface of the tail part of the side conveying belt, the stacking side plate is fixedly connected with the side conveying belt, the stacking baffle plate is connected with the stacking side plates at two sides through an incomplete gear intermittent mechanism, the incomplete gear mechanism comprises an incomplete gear and a gear, the incomplete gear is hinged with the top of the stacking side plate, the, the gear is meshed with the incomplete gear.

The invention has the beneficial effects that:

the soil dividing and excavating operation, the soil shaking operation, the clamping and conveying operation and the laying and collecting operation in the green Chinese onion harvesting link are ensured, the mechanized operation level of the green Chinese onions in China is improved, and the green Chinese onion harvesting quality and yield are ensured.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the soil separating device;

FIG. 3 is a first structural schematic view of the digging implement;

FIG. 4 is a second schematic view of the digging implement;

FIG. 5 is a schematic structural view of the ground breaking mechanism;

FIG. 6 is a schematic structural view of a soil shaking mechanism;

FIG. 7 is a schematic structural view of the conveying mechanism;

FIG. 8 is a first structural schematic of the placement mechanism;

FIG. 9 is a second structural schematic of the placement mechanism;

FIG. 10 is a first structural schematic of the transport mechanism;

fig. 11 is a second structural schematic diagram of the conveying mechanism.

In the figure: 1, a frame; 101, a top frame; 2, a soil separating device; 201 disc soil-dividing harrow; 202 supporting rods; 203 rotating a shaft I; 204 a turntable; 205 a hydraulic motor i; 206 fixing the plate; 207 rotating the flange; 208 a slide plate; 3, excavating equipment; 301 vertical supports; 302 a horizontal support; 303, digging a shovel; 304 connecting rod I; 305 an eccentric wheel I; 306 a chute IV; 307 sliding rod II; 308 fixing holes; 309 a sliding rod I; 310, a ground breaking roller; 311 rotating the disc; 312 hydraulic motor II; 4, shaking the soil and conveying the device; 401 hydraulic motor iii; 402 rotating a shaft II; a 403 key; 404 a shaft sleeve; 405 eccentric wheel II; 406 connecting column; 407 link II; 408 a connecting rod III; 409 soil shaking rollers; 410 front and rear position adjusting rods; 411 a slider; 412 a height adjustment rod; 413 hydraulic rod; 5 laying and collecting devices; 501 a rubber disc support; 502 height adjusting frame; 503 a rubber disc; 505 clamping the sheet; 506 a rubber disc shaft; 507Y-shaped connecting pieces; 508 side belt; 509 stacking sloping plates; 510 stacking baffles; 511 stacking the side plates; 512 incomplete gear; 513 gears.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, specific details are set forth in order to provide a thorough understanding of the present invention. The invention can be implemented in a number of ways different from those described herein and similar generalizations can be made by those skilled in the art without departing from the spirit of the invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1, the combined harvester for green Chinese onions comprises a frame 1, an earth separating device 2, an excavating device 3, an earth shaking and conveying device 4 and a laying and collecting device 5, wherein the earth separating device 2, the excavating device 3, the earth shaking and conveying device 4 and the laying and collecting device 5 are sequentially arranged on the frame 1 from front to back. The bottom of the frame 1 is provided with a crawler transmission device, and the whole harvester can move forward through the rotation of the crawler.

The soil dividing device 2 is positioned at the foremost end of the frame 1. As shown in fig. 2, the soil separating device 2 includes two disk soil separating rakes 201 located on the same horizontal plane and a hydraulic motor i 205 for providing power to each disk soil separating rake, in the present invention, the two disk soil separating rakes 201 are located at the bottom of the rack and symmetrically arranged, a central rotating shaft is arranged in the middle of the disk soil separating rakes 201, the central rotating shaft is hinged with the bottom of a supporting rod 202, the top of the supporting rod 202 is fixedly connected with a rotating shaft i 203, the hydraulic motor i 205 is fixed at the top end of the rotating shaft i 203, and the hydraulic motor i 205 is connected with the central rotating shaft of the disk soil separating rakes 201 through chain transmission: the end of the central rotating shaft of the disc soil separating harrow 201 is fixed with a chain wheel, the output shaft of the hydraulic motor I205 is also fixed with a chain wheel, and the two chain wheels are wound with chains. The hydraulic motor I205 drives the disc soil-dividing harrow 201 to rotate through chain transmission, the disc soil-dividing harrow 201 realizes ridge soil division, and resistance in the green Chinese onion digging process is reduced. A sliding plate 208 is fixed at the upper end of the rotating shaft I203, and the sliding plate 208 is connected with a fixing plate 206 behind the sliding plate 208 in a sliding mode. The fixed plate 206 is fixedly connected with a rotating flange 207 at the rear part thereof, and the rotating flange 207 is connected with the front end of the frame 1.

In the invention, the deflection angle of the disc soil-dividing harrow 201, namely the included angle between the disc soil-dividing harrow 201 and the advancing direction, is adjustable, so that the disc soil-dividing harrow can better cut and crush soil. A plurality of turnplates 204 are fixed on the rotating shaft I203 at intervals along the axial direction of the rotating shaft I, two turnplates 204 are arranged in the embodiment, the two turnplates 204 are respectively positioned above and below the sliding plate 208, an arc-shaped sliding groove I is arranged on the turnplates 204, and a bolt I penetrates through the sliding groove I on the turnplates 204 and is fixedly connected with the sliding plate 208. When the bolt I is screwed down, the sliding plate 208 is fixedly connected with the turntable 204, so that the rotating shaft I203 connected with the turntable 204 is fixed, and the deflection angle of the disc soil-dividing rake is fixed. When the deflection angle of the disc soil-splitting rake needs to be adjusted, the connecting bolt I between the sliding plate 208 and the rotary disc 204 is unscrewed, the rotary disc 204 can rotate at the moment, and the rotary disc 204 rotates and simultaneously drives the rotating shaft I203 to rotate, so that the deflection angle of the disc soil-splitting rake at the bottom of the rotating shaft I is adjusted. When the deflection angle of the disc soil-dividing rake is adjusted to a proper angle, the bolt I is screwed again, and the deflection angle of the disc soil-dividing rake is fixed.

In the invention, the distance between the two disk soil-separating rakes 201 is adjustable, which is convenient for separating the soil of the ridges with different sizes. The sliding plate 208 is slidably connected to the fixing plate 206, in this embodiment, the sliding plate 208 is provided with a sliding groove ii, a sliding protrusion is correspondingly arranged on the front side surface of the fixing plate 206, the sliding protrusion is arranged in the sliding groove ii, the sliding protrusion can slide along the sliding groove ii, and the bolt ii penetrates through the sliding groove ii and is fixedly connected to the fixing plate 206. When the distance between the two disk soil separation rakes 201 needs to be adjusted, the bolt II is unscrewed, so that the sliding plate 208 slides left and right along the fixing plate 206, and the distance between the two disk soil separation rakes 201 is adjusted. When the distance between the two disk soil-separating rakes 201 is adjusted to a proper distance, the bolt II is screwed tightly to fix the distance between the two disk soil-separating rakes 201.

In the invention, the inclination angles of the two disk soil-dividing rakes, namely the included angles between the disk soil-dividing rakes and the ground, are adjustable, so that the disk soil-dividing rakes can divide soil better. The rotating flange 207 is rotatably connected with the front end of the rack 1, an arc-shaped sliding groove III is formed in the rotating flange 207, and the bolt III penetrates through the sliding groove III to be fixedly connected with the front end of the rack. When the bolt III is screwed, the rotating flange 207 is fixedly connected with the rack, so that the inclination angle of the disc soil-dividing rake is fixed. When the inclination angle of the disc soil-separating rake 201 needs to be adjusted, the bolt III is loosened, the rotating flange 207 rotates around the rack 1, the rotating flange 207 rotates and simultaneously drives the whole soil-separating device to rotate, so that the included angle between the disc soil-separating rake and the ground changes, and when the inclination angles of the two disc soil-separating rakes rotate to a proper angle, the bolt III is screwed, and the inclination angle of the disc soil-separating rake is fixed.

The digging device 3 is positioned behind the disc soil-dividing harrow 201. As shown in fig. 3 and 4, the excavating device includes an excavating bracket, an excavating blade 303, a crank-slider mechanism connecting the excavating bracket and the excavating blade 303, and a breaking mechanism. The excavating device comprises two excavating supports which are arranged in parallel, the excavating supports are L-shaped and comprise a vertical support 301 and a horizontal support 302 which are vertically connected, a sliding groove IV 306 is arranged at the front end of the horizontal support 302, the rear end of the horizontal support 302 is fixedly connected with the bottom of the vertical support 301, and the top of the vertical support 301 is fixedly connected with the rack 1. The digging shovel 303 is positioned between the two digging brackets and is connected with the front parts of the digging brackets, and the digging shovel works in the soil to dig the root parts of the green Chinese onions. Be fixed with I309 of slide bar and II 307 of slide bar on two outside lateral walls of digger blade 303 respectively, wherein I309 of slide bar is located the lateral wall middle part, and I309 of slide bar has played the supporting role to digger blade 303, and II 307 of slide bar are located the lateral wall rear portion, and II 307 of slide bar have played the guide effect to the reciprocating motion of digger blade 303. The ends of the sliding rod I309 and the sliding rod II 307 are arranged in the sliding groove IV 306 and can slide in the sliding groove IV 306. The sliding rod II 307 is connected with the vertical support 301 through a crank-slider mechanism, and the vibratory excavation of the excavating shovel 303 is realized through the crank-slider mechanism. The front part of the sliding groove IV 306 is provided with a fixing hole 308, a blocking block can be placed in the fixing hole, and the blocking block is positioned behind the end part of the sliding rod I309. When vibration excavation is not needed, the crank-slider mechanism stops acting, the blocking block is placed in the fixed hole, excavation resistance can be received in the excavation process of the excavating shovel, and the blocking block is used for preventing the excavating shovel from moving backwards due to the excavation resistance, so that the fixed excavation of the excavating shovel is realized.

The crank block mechanism comprises an eccentric wheel I305 and a connecting rod I304, the eccentric wheel I305 is hinged with the vertical support 301, an eccentric rod on the eccentric wheel I305 is connected with one end of the connecting rod I304, and the other end of the connecting rod I304 is hinged with a sliding rod II 307. In the rotation process of the eccentric wheel I305, the connecting rod I304 is driven to move back and forth, and at the moment, under the guiding action of the sliding groove IV 306, the sliding rod II 307 moves back and forth in the sliding groove IV 306 in a reciprocating mode, so that the excavating shovel 303 is driven to move back and forth in a reciprocating mode, and the front and back vibration excavation of the excavating shovel is achieved. Because the crank-slider mechanism has the quick return characteristic, the speed of the excavating shovel moving forwards is slower than that of the excavating shovel moving backwards, and the stability of excavating is favorably improved. The vibration excavation is convenient for breaking the onion roots, the resistance of the excavating shovel in the excavation process is reduced, and the power consumption is reduced. In this embodiment, eccentric i 305 is connected to the output shaft of a hydraulic motor, which provides power for the rotation of eccentric i 305, so that the frequency of the shovel can be varied by adjusting the speed of the hydraulic motor.

The soil breaking mechanism is located at the front end of the horizontal support 302, as shown in fig. 5, the soil breaking mechanism comprises a hydraulic motor ii 312, a rotating disc 311 and soil breaking rollers 310, a rotating shaft is fixed at the bottom of the rotating disc 311, an output shaft of the hydraulic motor ii 312 is in transmission connection with the bottom of the rotating shaft of the rotating disc 311 through a bevel gear, a plurality of soil breaking rollers 310 are fixed on the outer side wall of the circumference of the rotating disc 311 at intervals, and the soil breaking rollers 310 in the embodiment are made of rubber strips. Through bevel gear transmission, turn to the rotation of the vertical direction of hydraulic motor output for the rotation of horizontal direction to drive and rotate disc 311 and rotate, broken soil roller 310 acts on the soil of green Chinese onion root along with rotating disc 311 pivoted in-process, breaks soil to the soil of green Chinese onion root, prevents that too much soil from blocking up in green Chinese onion root, has significantly reduced the resistance that digs the shovel and gos forward the in-process.

Be equipped with on the digger blade 303 and leak native check, the digger blade excavates the back to the root of shallot, because the soil of shallot root is more, the soil of root can drop along the hourglass native check of digger blade.

The soil shaking and conveying device 4 comprises a soil shaking mechanism and a conveying mechanism, the soil shaking mechanism is located behind the digging shovel and connected with the digging mechanism, and the conveying mechanism is located above the soil shaking mechanism. As shown in fig. 6, the soil shaking mechanism comprises a hydraulic motor iii 401, a rotating shaft ii 402, a shaft sleeve 404, a connecting column 406 and a soil shaking roller 409, one end of the rotating shaft ii 402 is connected with the output end of the hydraulic motor iii 401, the hydraulic motor iii 401 drives the rotating shaft ii 402 to rotate when in operation, the shaft sleeve 404 is sleeved outside the other end of the rotating shaft ii 402, and the rotating shaft ii 402 and the shaft sleeve 404 are connected through a key. The rotating shaft II 402 rotates and simultaneously drives the shaft sleeve 404 to rotate, and meanwhile, axial relative sliding can be generated between the rotating shaft II 402 and the shaft sleeve 404. One end of the shaft sleeve 404 is provided with an opening so as to be connected with the rotating shaft II 402, the other end of the shaft sleeve 404 is connected with the eccentric wheel II 405, the top of the connecting column 406 is fixedly connected with the eccentric wheel II 405, and the bottom of the connecting column 406 is connected with the connecting rod II 407. The rear end of the connecting rod II 407 is hinged to the connecting column 406, the front end of the connecting rod II 407 is fixedly connected with the connecting rod III 408, and two ends of the connecting rod III 408 are hinged to the connecting rods I304 on two sides respectively. A plurality of soil shaking rollers 409 are arranged on the connecting rod III 408 at intervals along the axial direction of the connecting rod, and the front ends of the soil shaking rollers 409 are fixedly connected with the connecting rod III 408.

Because the tremble native mechanism is connected with excavating mechanism, consequently the digger blade is at the vibration excavation in-process, can drive tremble the vibration around the native mechanism: during the forward and backward reciprocating movement of the connecting rod III 408, the connecting rod II 407 and the connecting column 406 along with the excavating shovel, the shaft sleeve 404 is driven to slide forward and backward along the key 403 of the rotating shaft II 402. In the process of reciprocating the shaft sleeve 404 back and forth, the rotation of the rotating shaft II 402 cannot be influenced, namely, in the process of rotating the rotating shaft II 402, the shaft sleeve 404 is connected with the key between the shaft sleeve 404 and the rotating shaft II 402 through the key, the shaft sleeve 404 rotates along with the rotating shaft II 402, and in the process of rotating the shaft sleeve 404, the eccentric wheel 405 and the connecting column 406 are used for driving the connecting rod III 408 to rotate, so that the soil shaking roller 409 fixed on the connecting rod III 408 swings up and down, and the up-and-down vibration of the soil. Therefore, the soil shaking roller 409 can vibrate up and down while vibrating back and forth with the shovel. After the green Chinese onions are excavated from soil by the excavating mechanism, a lot of soil is arranged at the root of the green Chinese onions, the soil at the root of the green Chinese onions is shaken off by the front-back vibration and the up-down vibration of the soil shaking mechanism, and then the green Chinese onions are conveyed backwards by the conveying mechanism.

As shown in fig. 7, the conveying mechanism includes a conveying belt and a conveying belt frame, the conveying belt is disposed on the conveying belt frame, the two conveying belts are disposed in an inclined manner, the front ends of the two conveying belts are lower than the rear ends, the rotation directions of the two conveying belts are opposite, the front ends of the conveying belts are located above the soil shaking mechanism, the shallot dug out by the digging shovel is clamped by the two conveying belts, and the shallot stem is conveyed to the laying and collecting device 5 behind the conveying mechanism by the front ends of the conveying mechanism through the conveying belts. The rear end of conveyer belt frame is equipped with front and back position control pole 410, and front and back position control pole 410's top is articulated with the rear end of conveyer belt frame, and front and back position control pole 410's bottom is connected with the slider 411 of fixing in frame 1, is equipped with the spout that is on a parallel with the conveyer belt direction on the slider 411, and the bottom at conveying mechanism frame 410 that corresponds is equipped with the arch, and the arch setting is in the spout, and the arch can slide along the spout. The protrusion drives the front and rear position adjusting rod 410 to slide along the sliding block 411, so as to drive the whole conveying mechanism to move back and forth, thereby realizing the adjustment of the front and rear position of the conveying mechanism. A height adjusting rod 412 is fixed in the middle of the conveyor belt frame, the top of the height adjusting rod 412 is connected with the top frame 101 of the frame 1 through a hydraulic rod 413, and the hydraulic rod 413 swings along the top of the height adjusting rod 412 in the telescopic process of the hydraulic rod 413, so that the upper position and the lower position of the front end of the conveyor belt frame are adjusted. The upper and lower positions and the front and rear positions of the conveying belt are adjusted, so that the conveying mechanism can clamp and convey different varieties of scallion with different heights.

The laying and collecting device is positioned behind the conveying mechanism and comprises a laying mechanism and a collecting mechanism, the laying mechanism is positioned behind the conveying mechanism, and the collecting mechanism is positioned behind the laying mechanism. As shown in fig. 8 and 9, the laying mechanism includes two rubber discs 503 and a clamping sheet 505, the two rubber discs 503 are symmetrically fixed on a rubber disc shaft 506, and the rubber discs 503 are driven to rotate during the rotation of the rubber disc shaft 506. The middle parts of the outer sides of the two rubber discs 503 are respectively provided with a clamping piece 505, the clamping pieces 505 are fixed on the frame, and the clamping pieces 505 exert inward clamping force on the middle parts of the rubber discs. The front side and the rear side between the two rubber discs 503 are respectively provided with a Y-shaped connecting piece 507, namely the Y-shaped connecting pieces 507 are respectively arranged between the two rubber discs positioned below the conveying mechanism and between the two rubber discs facing the collecting mechanism. The two ends of the top of the Y-shaped connecting piece of the rubber discs are respectively attached to the inner walls of the two rubber discs, the bottom of the Y-shaped connecting piece is fixedly connected with the rack, and the Y-shaped connecting piece applies outward supporting force to the two rubber discs 503. The distance between the two rubber discs is unequal, the distance between the two rubber discs attached to the Y-shaped connecting piece is larger than the distance between other parts, and in the rotating process of the rubber discs 503, when the rubber discs rotate to a position between the two clamping pieces 505, the distance between the two rubber discs 503 is reduced by the clamping force exerted by the clamping pieces 505, and at the moment, the object between the two rubber discs 503 can be clamped. When the rubber discs rotate to the position of the Y-shaped connecting piece 507, under the action of the outward supporting force of the Y-shaped connecting piece 507, the distance between the two rubber discs 503 is enlarged, and at the moment, the object between the two rubber discs 503 can be released.

The scallion is conveyed to the upper part of the laying mechanism by the conveying mechanism and then firstly falls between the two rubber discs 503 below the conveying belt, and because the Y-shaped connecting piece 507 is arranged between the two rubber discs 503 below the conveying belt and the Y-shaped connecting piece 507 plays a role of supporting the space between the two rubber discs 503 below the conveying belt, the scallion falling from the conveying belt continuously falls and is extruded to the rubber disc between the two rubber discs 503. The rubber disc shaft 506 drives the rubber discs 503 to rotate, the linear speeds of the rubber discs and the conveyor belt at the intersection points are the same, and after the green Chinese onions fall off from the conveyor belt, the roots of the green Chinese onions face downwards and fall between the two rubber discs 503 firstly, and continue to rotate along with the rubber discs 503. Under the action of the clamping force of the clamping piece 505, the scallion stalk and the root of the scallion are clamped by the two rubber discs 503, so that the scallion is driven to rotate along with the rubber discs, when the scallion rotates to the position facing the collection mechanism along with the rubber discs, the distance between the two rubber discs 503 is increased under the supporting action of the Y-shaped connecting piece 507, the clamping force exerted on the scallion disappears, and the scallion falls down from between the two rubber discs 503 and falls onto the collection mechanism. The root of the scallion faces forward, and the scallion leaves face backward. The green Chinese onions conveyed by the conveying mechanism are in the vertical direction, and in the laying process, the green Chinese onions are driven to rotate to the horizontal direction through the rotation of the rubber disc 503, so that the horizontal laying of the green Chinese onions is realized.

In order to realize the laying of the scallion of different varieties, the upper and lower positions and the front and back positions of the laying mechanism are adjustable. The end of the rubber disk shaft 506 is connected to the rubber disk holder 501. The rubber disk support 501 is provided with a sliding groove in the horizontal direction, and the end of the rubber disk shaft 506 is arranged in the sliding groove and can move back and forth along the sliding groove. The front and back position adjustment of the rubber disc 503 is realized in the process that the rubber disc shaft 506 drives the rubber disc 501 to move back and forth. The rubber disc support 501 and the height adjusting frame 502 are connected in a sliding mode, the height adjusting frame 502 is fixed on the rack, a sliding groove in the vertical direction is formed in the rubber disc support 501, and a bolt penetrates through the sliding groove to be connected with the height adjusting frame 502. The bolts are screwed down, so that the rubber disc support 501 and the height adjusting frame 502 are fixedly connected; the bolts are unscrewed, and the height of the rubber disc support 501 is adjusted at the moment, so that the up-and-down position adjustment of the rubber disc mechanism is realized. When the height is adjusted to a proper height, the rubber disc support 501 is fixedly connected with the height adjusting frame 502 through the bolts again. The applicability of the laying mechanism is improved by adjusting the position of the rubber disc.

As shown in fig. 10 and 11, the collecting mechanism includes a side feed belt 508 and a collecting box located below one side of the side feed belt 508. The side conveying belt 508 is located behind and below the laying mechanism, the tail portion of the side conveying belt 508 in the moving direction is provided with a stacking inclined plate 509 and a stacking baffle 510, the stacking inclined plate 509 is arranged in the side conveying belt direction, the stacking baffle 510 is arranged perpendicular to the side conveying belt direction, and the stacking baffle 510 is located above the stacking inclined plate 509. The stacking sloping plate 509 forms an included angle with the horizontal direction, and one end of the stacking sloping plate facing the tail of the side belt conveyor is lower than the other end. By arranging the stacking inclined plate, on one hand, when the green Chinese onions are conveyed to the tail part by the side conveying belt, the green Chinese onions are prevented from generating friction with the rotating side conveying belt in the process of stacking the tail part of the side conveying belt, and the green Chinese onions are prevented from being damaged; on the other hand, since the stacking sloping plate 509 is inclined, when the green Chinese onions are conveyed to the stacking sloping plate 509, the green Chinese onions slide down to the stacking baffle 510 along the stacking sloping plate under the action of gravity and inertia, and the green Chinese onions are collected at the stacking baffle 510.

The side face of the tail part of the side conveying belt is provided with a stacking side plate 511, the stacking side plate 511 is fixedly connected with the side conveying belt, and the stacking baffle 510 is connected with the stacking side plates 511 at the two sides through an incomplete gear intermittent mechanism. The incomplete gear mechanism comprises an incomplete gear 512 and a gear 513, wherein the incomplete gear 512 is hinged with the top of the stacking side plate 511, the stacking side plate 511 is connected with the top of the stacking baffle 510 through a rotating shaft, the gear 513 is fixed at one end of the rotating shaft, the gear 513 is meshed with the incomplete gear 512, and in the rotating process of the incomplete gear 512, the gear 513 is driven to rotate by a certain angle, so that the stacking baffle 510 is driven to rotate by a certain angle. When the green Chinese onions collected at the tail part of the side conveying belt reach a certain number, the baffle is controlled to be opened and closed through the incomplete gear intermittent mechanism, and the piled green Chinese onions directly fall into the collecting box below the baffle, so that the bundled collection of the green Chinese onions is realized.

The working process of the present invention is as follows. During operation, the whole machine is driven to advance through the crawler belt, in the advancing process of the harvester, soil is divided into ridge soil through the two disk soil dividing rakes of the soil dividing device, then soil is broken through the rotation of the soil breaking mechanism, and then the digging shovel excavates the roots of the green Chinese onions. The root of the green Chinese onion excavated from the soil is provided with a large amount of soil, the soil at the root of the green Chinese onion is shaken off by the front-back vibration and the up-down vibration of the soil shaking mechanism, and then the neck of the green Chinese onion is clamped by the conveying mechanism and conveyed to the rear rubber disc. Through the rotation of rubber disc, with the scallion level of vertical direction spread to the side send the area on, the side send the area with the scallion transport and collect the afterbody that send the area on the side, through incomplete gear intermittent type mechanism, make in the collection box is fallen to the scallion in pairs, so far accomplished the results of scallion.

The green Chinese onion combine harvester provided by the invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.