CN111887019A

CN111887019A - Green soy bean harvesting device

Info

Publication number: CN111887019A
Application number: CN202010882567.1A
Authority: CN
Inventors: 杨建龙; 付宗国; 李涛; 漏燚刚
Original assignee: Zhejiang Ocean University ZJOU
Current assignee: Zhejiang Ocean University ZJOU
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2020-11-06
Anticipated expiration: 2040-08-28
Also published as: CN111887019B

Abstract

The invention belongs to the technical field of agricultural mechanical equipment, and relates to a green soy bean harvesting device. The invention comprises a vehicle body, wherein a mounting cover is arranged on the vehicle body, and a middle box and two side boxes are arranged in the mounting cover; a harvesting mechanism is arranged between the middle box and each side box and comprises two mounting frames which are respectively arranged on the middle box and the side boxes, a plurality of chain wheels are arranged on each mounting frame, a chain is wound between the chain wheels, a plurality of claw teeth are arranged on the chain, and a chain wheel motor is arranged on each mounting frame; the middle box and the side boxes are provided with material collecting plates, the mounting frame and the chain are inclined upwards, the material collecting plates are provided with scraper holders, the scraper holders are provided with a plurality of scrapers, the middle box and the side boxes are provided with blanking ports, and the edges of the front sides of the material collecting plates are fixedly provided with baffle plates; a stalk collecting box is arranged in the mounting cover. The invention has the advantages that: reap the young soya bean plant and pick the young soya bean, improve young soya bean and pick efficiency.

Description

Green soy bean harvesting device

Technical Field

The invention belongs to the technical field of agricultural mechanical equipment, and relates to a green soy bean harvesting device.

Background

China is a large country for growing green soy beans. The green soybeans are popular with farmers in southern villages due to the characteristics of low investment, high yield and remarkable income, and the green soybeans are harvested in summer basically. Most farmers in various regions mainly pick the green beans manually at present, and hundreds of jin of green beans require five to six rural labor forces to harvest and pick the green beans in one day, and although the green beans are harvested quite plentiful, the cost of the green beans is very large. Within a few days of harvesting, the green soybeans must be black and dark so as to cut off the whole green soybean plant by a sickle in time and pick off the green soybeans to prevent the green soybeans from being exposed to the sun and losing the maximum value. Therefore, the labor amount is large and the working efficiency is not high in the green soybean harvesting and green soybean picking processes. And the green soybean stalks are rich in various mineral elements such as nitrogen, phosphorus, potassium, calcium, magnesium and the like, organic matters and the like, are green feeds with better quality, and have certain economic value. However, in the process of harvesting green soybean plants and picking green soybeans, green soybean stalks are easily broken and damaged and easily left in the field, which reduces the recovery amount of the green soybean stalks.

Disclosure of Invention

The invention aims to solve the problems in the prior art, provides a green soy bean harvesting device, and aims to solve the technical problems that: how to reap green soy bean plants and pick green soy beans improves the green soy bean picking efficiency and reduces the damage to green soy bean stalks in the process so as to recycle complete green soy bean stalks.

The invention is realized by the following technical scheme: a green soy harvesting apparatus, comprising:

the front end of the vehicle body is fixedly provided with an installation cover, and the inner walls of the left side and the right side of the installation cover are respectively and fixedly provided with a side box; the inner wall of the mounting cover is fixedly provided with a middle box, and the middle box is positioned between the two side boxes;

the harvesting mechanism is arranged between the middle box and each side box and comprises two mounting frames which are fixedly arranged on opposite surfaces of the middle box and the side boxes respectively, a plurality of chain wheels are rotatably arranged on each mounting frame, a chain is wound among the chain wheels, a plurality of claw teeth are fixedly arranged on the chain along the length direction, and a chain wheel motor for driving the chain wheels to rotate is arranged on each mounting frame; a material collecting plate is fixedly arranged on the opposite surface of the middle box and the side box along the length direction, the material collecting plate is positioned above the chain, the material collecting plate and the chain are inclined upwards in the length direction, and the inclination of the material collecting plate is greater than that of the chain; the scraper frame is fixedly arranged on the material collecting plate along the length direction, and a plurality of scrapers are fixedly arranged on the scraper frame along the length direction; blanking ports are respectively formed in the left side wall and the right side wall of the middle box and the outer wall of the side box, the upper side face of the material collecting plate is located at the lower side edge of the blanking ports, a baffle is fixedly arranged on the front side edge of the material collecting plate, and the baffle is located on the front side edge of the blanking ports;

and the stalk collecting box is fixedly arranged on the inner wall of the mounting cover and is positioned below the rear end of the chain.

In the green soy bean harvesting device, a plurality of mounting grooves are formed in the outer side surface of the scraper frame along the length direction, each mounting groove is located between two adjacent scrapers, a guide block is arranged in each mounting groove in a sliding mode along the length direction, a spring is arranged in each mounting groove, one end of each spring abuts against the bottom of each mounting groove, and the other end of each spring abuts against the guide block; every trapezoidal deflector has set firmly on the guide block, outside the one end that the deflector size is little stretched out the mounting groove, set firmly the blade on the last side of deflector and upwards set up the last scraper, a plurality of spout has been seted up on scraping the last side of knife rest, the spout respectively communicates with a mounting groove, the scraper slides and sets up in the spout.

In foretell green soy bean reaping apparatus, the shell has all been set firmly in middle box and the side incasement, the shell is located the below of blanking mouth, the discharge port has been seted up on the shell downside, the shell internal rotation is provided with two squeeze rolls, the length direction of squeeze roll is unanimous with the length direction of installation cover, be provided with on the shell and drive two squeeze rolls synchronous pivoted squeeze roll actuating mechanism in opposite directions.

In the green soybean harvesting device, the lower end of the discharge port is communicated with one end of a screening pipeline, the length direction of the screening pipeline is consistent with that of the mounting cover, and the other end of the screening pipeline extends out of the middle box and the side box and is positioned above the stalk collecting box; first sifter and second sifter have been seted up respectively along length direction on the screening pipeline, first sifter is located the discharge port below, the second sifter is located first sifter rear, be provided with the air exhauster on the screening pipeline, the air exhauster is located second sifter rear.

In foretell green soy bean reaping apparatus, all rotate on the opposite face of middle box and every side case and be provided with the pivot, the pivot is located and reaps the mechanism below, the middle part of pivot has set firmly a plurality of driving lever around the axis, install the pivot motor on the outer wall about the middle box respectively, every the pivot motor respectively is connected with a pivot transmission.

In the green soybean harvesting device, a first through hole is formed in one side wall of the mounting cover, a second movable frame is arranged in the stem collecting box in a sliding mode along the length direction, the first through hole of the second movable frame corresponds to the first through hole, and one end of the second movable frame extends out of the first through hole; a permanent magnet is fixedly arranged on the edge of the first through hole, an iron plate is fixedly arranged on the second movable frame, and the iron plate is positioned outside the first through hole and corresponds to the permanent magnet; when the second movable frame slides into the second movable frame, at least one position makes the iron plate magnetically connected with the permanent magnet.

In foretell green soy bean reaping apparatus, the second through-hole has been seted up on the leading flank of intermediate box and side case, the intermediate box slides along length direction with the side incasement and is provided with first movable frame, the leading flank of first movable frame passes the second through-hole, two cavities are separated into by the baffle in the first movable frame, and the cavity that leans on the front is located first sieve mouthful below, and the cavity that leans on the back is located second sieve mouthful below.

In the green soy bean harvesting device, the rear end of the first movable frame bottom plate is inclined downwards.

In the green soybean harvesting device, the front side surfaces of the middle box and each side box are fixedly provided with the folding pieces, and the folding pieces are positioned below the first movable frame.

Compared with the prior art, the device has the following advantages:

1. when the harvester works, the harvester body drives the harvesting mechanism to move forwards through the mounting cover. At the moment, the chain wheel motor drives the chain to rotate, the two opposite claw teeth are meshed and fixed on the green soy bean stalks close to the root positions, and the chain drives the two claw teeth to move upwards in an inclined mode, so that the whole green soy bean plants are pulled out of the soil and are transported backwards along the length direction of the chain. The green soy bean plants enter between the two scraper holders, and the support rods on the green soy bean stalks are positioned above the aggregate plate. Along with the backward movement of the green soy bean plants, the distance between the material collecting plate and the mounting plate positioned below the material collecting plate is larger and larger. Firstly, the scraper blocks the support rods on the green soy bean stalks and bends the support rods upwards, the green soy beans on the support rods are scraped off, and the green soy beans fall onto the material collecting plate, slide downwards along the material collecting plate, pass through the blanking port and fall into the side box and the middle box. The young soya bean plant passes two album flitch in-processes, and the scraper is from bottom to top scraping off the whole young soya beans on the young soya bean plant. After the green soy bean plants move to the rear end of the chain, the two opposite claw teeth move towards the left side and the right side respectively to loosen the green soy bean plants, so that the green soy bean plants fall into the stalk collecting box.

Above-mentioned in-process, the chain makes cyclic motion around the sprocket under the chain motor drives, makes the continuous interlock of claw tooth, fixes the young soya bean plant to buckle a stalk through the scraper in young soya bean plant transportation, strike off the young soya bean on the young soya bean plant, the young soya bean is collected to side case and middle box, whole young soya bean plant is collected to the stalk collecting box, these parts all assemble in reaping the mechanism, make every reap the mechanism and all realize extracting and transporting the young soya bean plant, the work of picking the young soya bean from soil. Two mechanisms of reaping work in step, gather the green soy bean plant with higher speed greatly, effectively improve the work efficiency of picking the green soy bean. In the process of scraping the green soy beans by the scraper, only the support stalks on the green soy bean stalks are bent, the damage to the green soy bean stalks is small, the loss of the green soy bean stalks is reduced, and the stalk collecting box stores the green soy bean stalks as much as possible.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a sectional view of the structure at a-a in fig. 1.

Fig. 3 is an enlarged view of the structure at B in fig. 1.

Fig. 4 is a cross-sectional view of the structure at C-C in fig. 2.

Fig. 5 is a cross-sectional view of the structure at D-D in fig. 2.

Fig. 6 is an enlarged view of a structure at E in fig. 1.

Fig. 7 is an enlarged view of the structure at F in fig. 2.

In the figure, 1, a vehicle body; 2. mounting a cover; 21. a first through hole; 22. a permanent magnet; 3. a mounting frame; 31. a chain; 32. claw teeth; 33. a sprocket; 34. a sprocket motor; 4. a material collecting plate; 41. a scraper; 411. a chute; 42. a doctor holder; 43. a baffle plate; 44. mounting grooves; 441. a chute; 45. a guide plate; 451. a guide block; 46. a spring; 5. a side box; 51. a green soybean cavity; 52. a blanking port; 53. a squeeze roll; 531. a housing; 532. an outlet port; 54. a squeeze roller drive mechanism; 55. a first movable frame; 551. a partition plate; 552. a chamber; 56. folding the sheet; 57. a second through hole; 6. a stalk collecting box; 61. a stalk cavity; 62. a second movable frame; 63. an iron plate; 7. an intermediate box; 8. an exhaust fan; 81. screening pipelines; 82. a first screen port; 83. a second screen port; 9. a rotating shaft; 91. a deflector rod; 92. a rotating shaft motor.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Referring to fig. 1 to 7, a green soybean harvesting apparatus includes:

the front end of the vehicle body 1 is fixedly provided with an installation cover 2, and the inner walls of the left side and the right side of the installation cover 2 are respectively and fixedly provided with a side box 5; the inner wall of the mounting cover 2 is fixedly provided with a middle box 7, and the middle box 7 is positioned between the two side boxes 5;

the harvesting mechanism is arranged between the middle box 7 and each side box 5, the harvesting mechanism comprises two mounting frames 3 which are fixedly arranged on opposite surfaces of the middle box 7 and the side boxes 5 respectively, the two mounting frames 3 are oppositely arranged, each mounting frame 3 is rotatably provided with a plurality of chain wheels 33, a chain 31 is wound between the plurality of chain wheels 33, a plurality of claw teeth 32 are fixedly arranged on the chain 31 along the length direction, and each mounting frame 3 is provided with a chain wheel motor 34 which drives the chain wheels 33 to rotate; a material collecting plate 4 is fixedly arranged on the opposite surface of the middle box 7 and the side box 5 along the length direction, the material collecting plate 4 is positioned above the chain 31, the material collecting plate 4 and the chain 31 are inclined upwards in the length direction, the inclination of the material collecting plate 4 is greater than that of the chain 31, a scraper 41 is conveniently and fixedly arranged on the material collecting plate 4 along the side length, blanking ports 52 are respectively arranged on the side box 5 and the middle box 7, the upper side surface of the material collecting plate 4 is positioned on the lower side edge of the blanking port 52, and a baffle 43 is fixedly arranged on the front side edge of the material collecting plate 4;

and the stalk collecting box 6 is fixedly arranged on the inner wall of the mounting cover 1 and is positioned below the rear end of the chain 31.

When the harvester works, the harvester body 1 drives the harvesting mechanism to move forwards through the mounting cover 2. At this time, the chain wheel motor 34 drives the chain 31 to rotate, the two opposite claw teeth 32 are occluded and fixed on the green soy bean stalks close to the root positions, the chain 31 drives the two claw teeth 32 to move upwards in an inclined mode, and the whole green soy bean plants are pulled out of the soil and transported backwards along the length direction of the chain 31. The green soy bean plants enter between the two scraper holders 42 and the support straw on the green soy bean straw is located above the material collecting plate 4. As the green soybean plants move backward, the distance between the aggregate plate 4 and the mounting plate 3 located below the aggregate plate 4 becomes larger. Firstly, the scraper 41 blocks the support rods on the green soy bean stalks and bends the support rods upwards, and scrapes off the green soy beans on the support rods, and the green soy beans fall onto the material collecting plate 4, slide downwards along the material collecting plate 4, pass through the blanking port 52 and fall into the side box 5 and the middle box 7. The green soy bean plants pass through the two material collecting plates 4, and the scraper 41 scrapes off all green soy beans on the green soy bean plants from bottom to top. After the green soy bean plants move to the rear end of the chain 31, the two opposite claw teeth 32 move towards the left side and the right side respectively, and the green soy bean plants are loosened, so that the green soy bean plants fall into the stalk collecting box 6.

Above-mentioned in-process, chain 31 makes cyclic motion around sprocket 33 under the drive of chain motor 34, makes pawl tooth 32 constantly interlock, fix the young soya bean plant, and buckle a stalk through scraper 41 in the young soya bean plant transportation, strike off the young soya bean on the young soya bean plant, the young soya bean is collected to side case 5 and middle case 7, whole young soya bean plant is collected to stem stalk collecting box 6, these parts all assemble in reaping the mechanism, make every reap the mechanism and all realize extracting and transporting the young soya bean plant from soil, the work of picking the young soya bean. Two mechanisms of reaping work in step, gather the green soy bean plant with higher speed greatly, effectively improve the work efficiency of picking the green soy bean. In the process of scraping the green soy beans by the scraper 41, only the support stalks on the green soy bean stalks are bent, so that the damage to the green soy bean stalks is small, the loss of the green soy bean stalks is reduced, and the stalk collecting box 6 stores the green soy bean stalks as much as possible.

Referring to fig. 6, specifically, a plurality of mounting grooves 44 are formed in the upper side surface of the scraper holder 42, each mounting groove 44 is located between two adjacent scrapers 41, and the mounting groove 44 is arranged obliquely upward, that is, an opening of the mounting groove 44 is located at the front side of the scraper holder 42, the bottom of the mounting groove 44 is located at the rear side of the scraper holder 42, a guide block 451 is arranged in the mounting groove 44 in a sliding manner along the length direction, a spring 46 is arranged in the mounting groove 44, one end of the spring 46 presses against the bottom of the mounting groove 44, and the other end of the spring 46 presses against the guide block 451; each guide block 451 is fixedly provided with a trapezoidal guide plate 45, one end of the guide plate 45 with a small size extends out of the installation groove 44, the upper side surface of the guide plate 45 is fixedly provided with an upper scraper 411 with an upward cutting edge, the upper side surface of the scraper frame 42 is provided with a plurality of sliding grooves 441 along the length direction, the sliding grooves 441 are respectively communicated with the installation groove 44, and the scraper 411 is slidably arranged in the sliding grooves 441.

The green soybean plants move backward along the chain 31, the main stalk of the green soybean plants contacts the guide plates 45 at both sides, and the two guide plates 45 are pressed into the mounting groove 44, so that the guide block 451 compresses the spring 46. Meanwhile, the guide plate 45 drives the upper scraper 411 to retract into the sliding groove 441.

After the main stalk of the green soybean plant passes through the guide plates 45 on both sides, the spring 46 is reset and drives the guide plates 45 to extend out of the mounting groove 44 through the guide plates 45. At this time, the main stalks of the green soybean plants are caught by the upper scrapers 411 on the front and rear sides and the scrapers 41 on the left and right sides. During the process of moving the green soybean plants backwards along the chain 31, the green soybean plants move downwards relative to the scraper 41 and the upper scraper 411, and the upper scraper 411 and the scraper 41 scrape the green soybeans on the green soybean plants.

This structure passes through parts such as deflector 45, spring 46, go up scraper 411 and scraper 41 and strikes off the young soya bean for the whole young soya bean plant, avoids the young soya bean to omit, further improves young soya bean and picks efficiency.

Particularly, all set firmly the shell in middle box 7 and the side case 5, shell 531 is located the below of blanking mouth 52, discharge port 532 has been seted up on the shell 531 downside, the shell internal rotation is provided with two squeeze rolls 53, the length direction of squeeze roll 53 is unanimous with the length direction of installing cover 2, be provided with on the shell and drive two squeeze rolls 53 synchronous pivoted squeeze roll actuating mechanism 54 in opposite directions.

The scraper 41 may scrape the branches and leaves together with the beans when operating. Therefore, the two squeezing rollers 53 are driven by the squeezing roller driving motor 54 to rotate in opposite directions synchronously, after the branches and leaves and the green soy beans fall onto the two squeezing rollers 53 from the blanking port 52, the two squeezing rollers 53 further process the green soy beans and the branches and leaves, so that the green soy beans are completely separated from the branches and leaves, and the branches and leaves are processed by the two squeezing rollers 53 to form smaller fragments and then are discharged from the discharge port 532.

The structure further separates the green soy beans from branches and leaves, and is helpful for screening the green soy beans from the branches and leaves.

Specifically, one end of a screening pipeline 81 is communicated with the lower end of the discharge port 532, the length direction of the screening pipeline 81 is consistent with the length direction of the mounting cover 2, and the other end of the screening pipeline 81 extends out of the middle box 7 and the side box 5 and is positioned above the stalk collecting box 6; first fore shaft 82 and second fore shaft 83 have been seted up respectively along length direction on the screening pipeline 81, first fore shaft 82 is located discharge port 532 below, second fore shaft 83 is located first fore shaft 82 rear, be provided with air exhauster 8 on the screening pipeline 81, air exhauster 8 is located second fore shaft 83 rear.

The green soybeans with good quality have plump pulp and heavier weight; the green soybeans with poor quality have shrivelled appearance, small pulp and light weight; the weight of the sundries such as branches and leaves is the lightest. The green soy beans and the branches and leaves are further processed by two squeezing rollers 53 and then are sucked into a screening pipeline 81 by an exhaust fan 8, and the high-quality green soy beans are directly discharged through a first screen opening 82 under the action of gravity; the green beans with poor quality continue to move backwards along the length direction of the screening pipe 81 and are discharged through the second screen port 83; sundries such as branches and leaves are discharged into the stalk collecting box 6 by the exhaust fan 8. According to the structure, the green soy beans are sequentially screened out according to the quality, and sundries such as branches and leaves are discharged, so that the green soy bean picking efficiency of the device is further improved.

Specifically, the opposite surfaces of the middle box 7 and each side box 5 are rotatably provided with a rotating shaft 9, the rotating shaft 9 is positioned below the harvesting mechanism, the middle part of the rotating shaft 9 is fixedly provided with a plurality of shift levers 91 around the axis, the left outer wall and the right outer wall of the middle box 7 are respectively provided with a rotating shaft motor 92, and each rotating shaft motor 92 is in transmission connection with one rotating shaft 9.

In the backward motion process of the green soy bean plants along the chain 31, the rotating shaft motor 92 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the deflector rod 91 to knock the roots of the green soy bean plants, soil on the roots is knocked down, and the amount of soil on the green soy bean plants is reduced. The deflector rod 91 may be made of a rubber rod.

Before the green soy stalk is processed, the primary separation of soil and green soy plants is realized to this structure, alleviates green soy plant weight, helps the transportation of green soy plant.

Specifically, a first through hole 21 is formed in one side wall of the mounting cover 2, a second movable frame 62 is arranged in the stalk collecting box 6 in a sliding mode along the length direction, the first through hole 21 of the second movable frame 62 corresponds to the first through hole 21, and one end of the second movable frame 62 extends out of the first through hole 21; the permanent magnet 22 is fixedly arranged on the edge of the first through hole 21, the iron plate 63 is fixedly arranged on the second movable frame 62, and the iron plate 63 is positioned outside the first through hole 21 and corresponds to the permanent magnet 22; when the second movable frame 62 slides into the second movable frame 62, at least one position makes the iron plate 63 magnetically connected with the permanent magnet 22.

The second movable frame 62 is used for storing green soy bean plants, and the green soy bean plants can be taken out from the second movable frame 62 by pulling the second movable frame 62 out of the mounting cover 2 through the first through hole 21. This structure facilitates the storage and removal of the green soybean plants, and the iron plate 63 and the permanent magnet 22 help to fix the second movable frame 62.

Specifically, the front side surfaces of the middle box 7 and the side box 5 are provided with second through holes 57, the first movable frame 55 is arranged in the middle box 7 and the side box 5 in a sliding manner along the length direction, the front side surface of the first movable frame 55 passes through the second through holes 57, the first movable frame 55 is divided into two chambers 552 by a partition 551, the forward chamber 552 is located below the first sieve opening 82, and the backward chamber 552 is located below the second sieve opening 83.

The green beans with good quality enter the adjacent cavity 552 through the first sieve opening 82, the green beans with poor quality enter the next cavity 552 through the second sieve opening 83, and the green beans with good quality and poor quality are classified and stored through the first movable frame 55. After the green beans are picked, the first movable frame 55 is slid forward, the middle box 7 and the side boxes 5 are moved out, and the green beans are taken out from the first movable frame 55. This structure makes things convenient for young soya bean to retrieve.

Specifically, the rear end of the bottom plate of the first movable frame 55 is inclined downward.

The green beans move to the rear end of the bottom plate of the first movable frame 55 under the action of gravity, so that the green beans are uniformly distributed on the bottom plate of the first movable frame 55. This structure avoids the young soya bean to pile up in squeeze roll 53 below, prevents that the young soya bean from excessively piling up.

Specifically, a folding piece 56 is fixedly arranged on the front side surface of each side box 5 and the middle box 7, and the folding piece 56 is positioned below the first movable frame 55.

During the advancing process of the vehicle body 1, the folding pieces 56 fold the green soybean plants on the ground in front of the harvesting mechanism, so that the claw teeth 32 can conveniently engage and fix the main stalks of the green soybean plants.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A green soy harvesting apparatus, comprising:

the front end of the vehicle body (1) is fixedly provided with an installation cover (2), and the inner walls of the left side and the right side of the installation cover (2) are respectively and fixedly provided with a side box (5); the inner wall of the mounting cover (2) is fixedly provided with a middle box (7), and the middle box (7) is positioned between the two side boxes (5);

the harvesting mechanism is arranged between the middle box (7) and each side box (5), the harvesting mechanism comprises two mounting frames (3) which are fixedly arranged on opposite surfaces of the middle box (7) and the side boxes (5), each mounting frame (3) is rotatably provided with a plurality of chain wheels (33), a chain (31) is wound between the plurality of chain wheels (33), a plurality of claw teeth (32) are fixedly arranged on the chain (31) along the length direction, and each mounting frame (3) is provided with a chain wheel motor (34) for driving the chain wheels (33) to rotate; a material collecting plate (4) is fixedly arranged on the opposite surface of the middle box (7) and the side box (5) along the length direction, the material collecting plate (4) is positioned above the chain (31), the material collecting plate (4) and the chain (31) are inclined upwards in the length direction, and the inclination of the material collecting plate (4) is greater than that of the chain (31); the material collecting plate (4) is arranged in the width direction in an inclined upward manner, a scraper frame (42) is fixedly arranged on the material collecting plate (4) along the length direction, and a plurality of scrapers (41) are fixedly arranged on the scraper frame (42) along the length direction; blanking ports (52) are respectively formed in the left side wall and the right side wall of the middle box and the outer wall of the side box (5), the upper side face of the material collecting plate (4) is located on the lower side edge of the blanking ports (52), a baffle (43) is fixedly arranged on the front side edge of the material collecting plate (4), and the baffle (43) is located on the front side edge of the blanking ports (52);

and the stalk collecting box (6) is fixedly arranged on the inner wall of the mounting cover (1) and is positioned below the rear end of the chain (31).

2. The green soy bean harvesting device according to claim 1, characterized in that a plurality of mounting grooves (44) are formed in the outer side surface of the scraper holder (42) along the length direction, each mounting groove (44) is located between two adjacent scrapers (41), a guide block (451) is arranged in the mounting groove (44) in a sliding manner along the length direction, a spring (46) is arranged in the mounting groove (44), one end of the spring (46) is pressed against the bottom of the mounting groove (44), and the other end of the spring (46) is pressed against the guide block (451); every trapezoidal deflector (45) has set firmly on guide block (451), outside the installation groove (44) was stretched out to the one end that deflector (45) size is little, set firmly blade (411) on the last side of deflector (45) that the blade upwards set up, a plurality of spout (441) have been seted up on the last side of scraper frame (42), spout (441) respectively communicate with an installation groove (44), scraper (411) slide and set up in spout (441).

3. The green soy bean harvesting device according to claim 2, characterized in that a shell (531) is fixedly arranged in each of the middle box (7) and the side box (5), the shell (531) is positioned below the blanking port (52), a discharge port (532) is formed in the lower side surface of the shell (531), two squeezing rollers (53) are rotatably arranged in the shell, the length direction of the squeezing rollers (53) is consistent with that of the mounting cover (2), and a squeezing roller driving mechanism (54) capable of driving the two squeezing rollers (53) to synchronously rotate in opposite directions is arranged on the shell (531).

4. The green soy bean harvesting device according to claim 3, characterized in that the lower end of the discharge port (532) is communicated with one end of a screening pipeline (81), the length direction of the screening pipeline (81) is consistent with the length direction of the mounting cover (2), and the other end of the screening pipeline (81) extends out of the middle box (7) and the side box (5) and is positioned above the straw collecting box (6); first fore shaft (82) and second fore shaft (83) have been seted up respectively along length direction on screening pipeline (81), first fore shaft (82) are located discharge port (532) below, second fore shaft (83) are located first fore shaft (82) rear, be provided with air exhauster (8) on screening pipeline (81), air exhauster (8) are located second fore shaft (83) rear.

5. The green soy bean harvesting device according to claim 4, characterized in that a rotating shaft (9) is rotatably arranged on the opposite surface of the middle box (7) and each side box (5), the rotating shaft (9) is positioned below the harvesting mechanism, a plurality of shift levers (91) are fixedly arranged in the middle of the rotating shaft (9) around the axis, rotating shaft motors (92) are respectively arranged on the left outer wall and the right outer wall of the middle box (7), and each rotating shaft motor (92) is in transmission connection with one rotating shaft (9).

6. The green soybean harvesting device according to claim 1, wherein a first through hole (21) is formed in one side wall of the mounting cover (2), a second movable frame (62) is arranged in the straw collecting box (6) in a sliding mode along the length direction, the first through hole (21) of the second movable frame (62) corresponds to the second through hole, and one end of the second movable frame (62) extends out of the first through hole (21); a permanent magnet (22) is fixedly arranged on the edge of the first through hole (21), an iron plate (63) is fixedly arranged on the second movable frame (62), and the iron plate (63) is positioned on the outer side of the first through hole (21) and corresponds to the permanent magnet (22); when the second movable frame (62) slides into the second movable frame (62), at least one position makes the iron plate (63) and the permanent magnet (22) connected magnetically.

7. The green soy bean harvesting device according to claim 4, characterized in that the middle box (7) and the side box (5) are provided with a second through hole (57) on the front side, a first movable frame (55) is arranged in the middle box (7) and the side box (5) in a sliding manner along the length direction, the front side of the first movable frame (55) penetrates through the second through hole (57), the first movable frame (55) is divided into two chambers (552) by a partition plate (551), the chamber (552) close to the front is positioned below the first sieve opening (82), and the chamber (552) close to the rear is positioned below the second sieve opening (83).

8. The green soybean harvesting device according to claim 7, wherein a rear end of the bottom plate of the first movable frame (55) is disposed obliquely downward.

9. A green soybean harvesting apparatus according to claim 1, wherein a folding piece (56) is fixed to the front side of the middle box (7) and each side box (5), and the folding piece (56) is located below the front end of the chain (31).