A beet harvester leaf-stalk separation device and a control method thereof

Abstract

The application discloses a beet harvester stem-leaf separation device and a control method thereof. The device comprises a rack body, a control console, a walking assembly, a digging assembly, a separation mechanism, an adjusting mechanism and a camera arranged on the rack body. When harvesting beets, the control console is used to start each part, so that the servo motor starts, the cutting blade cuts the leaves, the rack body advances, the leaves fall into the fixed cylinder, and then the spiral blade sends out. After the exhaust pipe is opened, the rack body is exhausted, so that the cut leaves are discharged into the fixed cylinder through the exhaust pipe and the connecting pipe. The hook can retain part of the leaves to be sucked away for processing, thereby avoiding the leaves falling beside the beet stems and the leaves adhering after digging and being difficult to shake off, which is not conducive to subsequent screening. The separation mechanism can concentrate and scatter the leaves, avoids shaking off the leaves near the beets, and is conducive to screening the beets.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of agricultural equipment, and discloses a beet harvester stem and leaf separation device and a control method thereof. BACKGROUND

[0002] The beet harvester is a kind of agricultural machinery specially used for harvesting beet stems and roots, which is composed of power, transmission, walking, digging, cutting, conveying and separating, collecting box and other devices. According to the operation mode, it is divided into digging type and pulling type. The working parts of the former complete the cutting of stems and leaves, the digging of roots, and the cleaning and conveying to the collecting box or the loading into the trailer in sequence. With the continuous development and progress of the beet harvesting, various harvesting equipment has appeared, such as a kind of beet harvester stem and leaf separation device.

[0003] At present, the beet harvesters on the market mainly improve the separation of external impurities of beets. The existing beet harvester is generally composed of a power assembly, a transmission assembly, a cutting assembly, a digging assembly and a control console. The transmission assembly transmits power to the cutting assembly and the digging assembly through the control console. The beet leaves are separated by cutting, and the beets are dug out and collected by using the digging assembly. However, after cutting the blades, the broken blades fall near the beets and stick to the outside of the beets after digging, which is difficult to screen and is not conducive to the later sugar-making process. In addition, when separating the beet tops, it is not easy to adjust the beet top separation assembly because the spacing of beets planted by different farmers is not standard. Therefore, a beet harvester stem and leaf separation device is proposed, which can concentrate and scatter the broken leaves, avoid shaking near the beets, is conducive to screening beets, and can adjust the position of the separation assembly to cope with different planting spacings and facilitate quick adjustment. SUMMARY

[0004] The main purpose of the present application is to overcome the shortcomings and deficiencies of the prior art, provide a beet harvester stem and leaf separation device and a control method thereof. The present application can concentrate and scatter the broken leaves, avoid shaking near the beets, is conducive to screening beets, and can adjust the position of the separation assembly to cope with different planting spacings and facilitate quick adjustment. The problem of broken leaves falling near the beets after cutting the blades, sticking to the outside of the beets after digging, being difficult to screen, and being not conducive to the later sugar-making process is solved.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0006] In a first aspect, the present application provides a beet harvester stem and leaf separation device, which comprises a machine frame body, a control console, a walking assembly, a digging assembly, a separation mechanism, an adjusting mechanism and a camera arranged on the machine frame body.

[0007] The separation mechanism comprises a servo motor one, a cutting blade, a fixed cylinder, a servo motor two, a spiral blade, an air extractor, an air extraction pipe and a hook, the servo motor one is arranged in the inside of the rack body, the cutting blade is mounted outside the servo motor one, the fixed cylinder is mounted in the inside of the servo motor one, the servo motor two is arranged in the inside of the fixed cylinder, the spiral blade is fixedly mounted outside the servo motor two, the air extractor is arranged in the inside of the rack body, the air extraction pipe is fixedly mounted on one side of the air extractor, and the hooks are arranged on the bottom of the rack body.

[0008] The adjusting mechanism comprises an electric sliding table, sliding blocks, large clockwork springs, pressing blocks, arc-shaped pressing plates, electric telescopic rods, scrapers and infrared distance sensors, the electric sliding table is arranged in the inside of the rack body, a plurality of sliding blocks are arranged on one side of the electric sliding table, the large clockwork springs are arranged in the insides of the sliding blocks, the pressing blocks are fixedly connected to the outsides of the large clockwork springs, the arc-shaped pressing plates are fixedly mounted on the bottoms of the pressing blocks, the electric telescopic rods are fixedly mounted on the bottoms of the pressing blocks, the scrapers are fixedly mounted on the bottoms of the electric telescopic rods, and the infrared distance sensors are fixedly mounted on the outsides of the pressing blocks.

[0009] A camera is arranged outside the rack body and above the scrapers.

[0010] As a preferred technical solution, the top of the air extractor is provided with a connecting pipe, and the fixed cylinder is communicated with the air extractor through the connecting pipe.

[0011] As a preferred technical solution, the fixed cylinder is provided with an opening one and an opening two outside, the opening one is matched with the cutting blade, and the opening two is matched with the connecting pipe.

[0012] As a preferred technical solution, the bottom of the rack body is provided with a plurality of connecting rods, each connecting rod is provided with a small clockwork spring outside, and each hook is movably connected with a corresponding connecting rod through a corresponding small clockwork spring.

[0013] As a preferred technical solution, the bottom of the rack body is provided with an air suction cover, and the air suction cover is communicated with the air extraction pipe.

[0014] As a preferred technical solution, the outside of the rack body is provided with a discharge pipe, and the discharge pipe is communicated with the fixed cylinder.

[0015] As a preferred technical solution, the top of each sliding block is fixedly provided with a sliding block, and the outside of the rack body is provided with a sliding groove matched with the sliding block.

[0016] As a preferred technical solution, the outside of the rack body is provided with a camera, and the camera is above the plurality of scrapers.

[0017] As a preferred technical solution, the detection direction of the infrared distance sensor is vertically downward, and the detection signal is fed back to the control console for adjusting the stroke of the electric telescopic rod.

[0018] In a second aspect, the application provides a control method for a beet harvester stem-leaf separation device, comprising the following steps:

[0019] S1. Identify the position of the beet row through the camera, and control the electric sliding table to drive the sliding block to position horizontally;

[0020] S2. Calculate the height of the beet root and stem based on the ground distance data fed back by the infrared distance sensor, and adjust the telescopic amount of the electric telescopic rod;

[0021] S3. Start the servo motor one to drive the cutting blade to cut the stem and leaf, and the broken leaf enters the fixed cylinder through the opening one;

[0022] S4. Start the air extractor and the servo motor two synchronously, suck the residual broken leaf through the air extraction pipe, and the spiral blade transports the broken leaf to the discharge pipe;

[0023] S5. When the broken leaf accumulation is detected, control the small clock spring to vibrate to shake off the adhered broken leaf, and cooperate with the air extractor for secondary suction.

[0024] Compared with the prior art, the application has the following advantages and beneficial effects:

[0025] 1. The beet harvester stem-leaf separation device of the application, by setting the separation mechanism, when harvesting beets, the console is opened to start the servo motor one, the cutting blade cuts the leaf, the rack body advances, the leaf falls into the fixed cylinder, and then the air extraction pipe is opened to extract air from the rack body, so that the cut leaf is discharged through the air extraction pipe and the connecting pipe into the fixed cylinder, and part of the broken leaf is retained by the hook for suction and treatment, thereby avoiding the broken leaf falling beside the beet stem, and avoiding the adhesion of the broken leaf after excavation, which is not conducive to subsequent screening. The separation mechanism can concentrate and scatter the broken leaf blades, avoid shaking off the broken leaf near the beet, and facilitate the screening of beets.

[0026] 2. The beet harvester stem-leaf separation device of the application, by setting the adjustment mechanism, before harvesting is needed, the console is used to drive the rack body to the beet field, the camera is opened to check the planting position of the beets, and then the electric sliding table is used to adjust the position of the sliding block, so that the arc-shaped pressing plate can be aligned with the position of the beet row, the infrared distance sensor is set to measure the height from the ground, the electric telescopic rod is adjusted to extend and retract, the height of the scraper is adjusted, and the position of the cutting beet head is adjusted. The adjustment mechanism can adjust the position of the separation assembly, cope with different planting distances, and facilitate quick adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can be obtained based on these drawings without creative labor.

[0028] Figure 1 It is a structure perspective view of the beet harvester stem-leaf separation device of the present application.

[0029] Figure 2 It is a front view of the beet harvester stem-leaf separation device of the present application.

[0030] Figure 3 It is an enlarged view of A in the present application. Figure 2

[0031] Figure 4 It is an enlarged view of B in the present application. Figure 2

[0032] It is an external structure view of the fixed cylinder of the present application. Figure 5

[0033] It is an external structure view of the hook of the present application. Figure 6

[0034] It is a schematic view of the adjusting mechanism of the present application. Figure 7

[0035] Explanation of reference numerals:

[0036] 1, frame body; 2, control console; 3, walking assembly; 4, excavating assembly; 5, separation mechanism; 501, servo motor one; 502, cutting blade; 503, fixed cylinder; 504, servo motor two; 505, spiral blade; 506, air extractor; 507, air extraction pipe; 508, hook; 6, adjusting mechanism; 601, electric sliding table; 602, sliding block; 603, large clockwork spring; 604, pressing block; 605, arc-shaped pressing plate; 606, electric telescopic rod; 607, scraper; 608, infrared distance measuring sensor; 7, connecting pipe; 8, opening one; 9, opening two; 10, connecting rod; 11, small clockwork spring; 12, air suction cover; 13, discharge pipe; 14, sliding block; 15, camera. DETAILED DESCRIPTION

[0037] ​​In the following, the technical solutions in the embodiments of the present application will be described clearly and completely in conjunction with the drawings in the embodiments of the present application, so that those skilled in the art can better understand the solutions in the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0038] Referring to Figures 1-7 The beet harvester stem and leaf separation device provided in the embodiment comprises a rack body 1, a console 2, a walking assembly 3, a digging assembly 4, a separation mechanism 5, an adjusting mechanism 6 and a camera 15 arranged on the rack body 1. More specifically, the console 2 is arranged at the top of the rack body 1 and is used to send corresponding action instructions to the walking assembly 3, the digging assembly 4, the separation mechanism 5, the adjusting mechanism 6 and the camera 15. The walking assembly 3 is used to drive the device to move autonomously in the field. The walking assembly 3 is designed in the form of a track or a driving wheel and is synchronized with the digging speed to avoid missing beet harvesting. The digging assembly 4 is used to loosen the soil through a vibrating shovel or a rotating tooth cutter, separate the beet tubers from the soil and lift them to the inlet of the separation mechanism to avoid mechanical damage. The separation mechanism 5 is used for cutting and cleaning the stems and leaves of beets. The adjusting mechanism 6 is used for self-adaptive and accurate adjustment. The camera 15 is used for visual monitoring and positioning of beets.

[0039] Referring to Figures 2-6 The separation mechanism 5 comprises a servo motor 501, a cutting blade 502, a fixed cylinder 503, a servo motor 504, a spiral blade 505, an air extractor 506, an air extraction pipe 507 and a hook 508. The servo motor 501 is fixedly arranged in the interior of the rack body 1. The cutting blade 502 is fixedly arranged outside the servo motor 501. The fixed cylinder 503 is fixedly arranged in the interior of the rack body 1. The servo motor 504 is arranged in the interior of the fixed cylinder 503. The spiral blade 505 is fixedly arranged outside the servo motor 504. The air extractor 506 is arranged in the interior of the rack body 1. The air extraction pipe 507 is fixedly arranged at the left side of the air extractor 506. The hook 508 is arranged at the bottom of the rack body 1.

[0040] It can be understood that, in the beet harvester stem and leaf separation device of the embodiment, the large-volume stems and leaves are first mechanically cut, then the loose leaf fragments are removed through spiral conveying and negative pressure adsorption, and finally the stubborn residues are treated by vibration combined with airflow. The mechanism dynamically adapts to the harvesting rhythm. The blade rotating speed, the spiral pushing speed and the machine advancing speed are synchronized. The suction power is intelligently adjusted according to the density of the leaf fragments.

[0041] Referring to Figure 7The adjusting mechanism 6 comprises an electric sliding table 601, sliding blocks 602, large clockwork springs 603, pressing blocks 604, arc-shaped pressing plates 605, electric telescopic rods 606, scrapers 607 and infrared distance sensors 608. The inside of the rack body 1 is provided with the electric sliding table 601. The left side of the electric sliding table 601 is provided with a plurality of sliding blocks 602. The inside of each of the sliding blocks 602 is provided with a large clockwork spring 603. The outside of each of the large clockwork springs 603 is fixedly connected with a pressing block 604. The bottom of each of the pressing blocks 604 is fixedly installed with an arc-shaped pressing plate 605. The bottom of each of the pressing blocks 604 is fixedly installed with an electric telescopic rod 606. The bottom of each of the electric telescopic rods 606 is fixedly installed with a scraper 607. The outside of each of the pressing blocks 604 is fixedly installed with an infrared distance sensor 608.

[0042] It can be understood that, in the embodiment, the electric sliding table moves the scraper group transversely according to the beet row spacing identified by the camera, accurately aligns the plants, avoids missing cutting or mistakenly damaging the adjacent crops. The pressing block applies a flexible pressing force through the large clockwork spring, which not only fixes the beets to prevent deviation, but also buffers the mechanical impact through elastic deformation to avoid root damage.

[0043] Please refer to Figure 3 In an embodiment of the present application, the top of the air extractor 506 is provided with a connecting pipe 7, and the fixing cylinder 503 is connected with the air extractor 506 through the connecting pipe 7. By arranging the connecting pipe 7, the broken leaves can enter the fixing cylinder 503 through the connecting pipe 7.

[0044] Please refer to Figure 3 In an embodiment of the present application, the outside of the fixing cylinder 503 is provided with an opening one 8 and an opening two 9. The opening one 8 is matched with the cutting blade 502, and the opening two 9 is matched with the connecting pipe 7. By arranging the opening one 8 and the opening two 9, the leaves can enter the inside of the fixing cylinder 503 for collection.

[0045] Please refer to Figure 4 In an embodiment of the present application, the bottom of the rack body 1 is provided with a plurality of connecting rods 10. The outside of each of the connecting rods 10 is provided with a small clockwork spring 11. Each of the hooks 508 is movably connected with the connecting rod 10 through the small clockwork spring 11. By arranging the hooks 508, the broken leaves can be blocked from moving backward.

[0046] Please refer to Figure 4In an embodiment of the present application, the bottom of the rack body 1 is fixedly provided with an air suction cover 12, which is communicated with the air suction pipe 507. The air suction cover 12 can suck the broken leaves into the rack body 1 for collection and discharge.

[0047] Please refer to Figure 4 In an embodiment of the present application, the top of each sliding block 602 is fixedly provided with a sliding block 14, and the outer portion of the rack body 1 is provided with a sliding groove matched with the sliding block 14. The sliding block 14 can make the sliding block 602 slide more stably.

[0048] Please refer to Figure 2 The rack body 1 is provided with a camera 15 above the plurality of scrapers 607. The camera 15 can be used to check the position of the sweet potato beside the console 2 in real time, so that the plurality of scrapers 607 can be moved above the sweet potato, so as to adapt to different land planting distances and facilitate adjustment.

[0049] It can be understood that the console 2 is provided with a display screen and control buttons of various electronic elements. The console 2 is electrically connected with all electronic elements in the patent through wires, so as to control all electronic elements in the patent by operating the console 2.

[0050] In another example of the present application, a control method of a sweet potato harvester stem-leaf separation device is provided, which includes the following steps:

[0051] S1. The sweet potato row position is identified by the camera 15, and the electric sliding table 601 is controlled to drive the sliding block 602 to be horizontally positioned;

[0052] S2. Based on the ground distance data fed back by the infrared distance sensor 608, the sweet potato root height is calculated and the telescopic amount of the electric telescopic rod 606 is adjusted;

[0053] S3. The servo motor one 501 is started to drive the cutting blade 502 to cut the stem and leaf, and the broken leaves enter the fixed cylinder 503 through the opening one 8;

[0054] S4. The air suction machine 506 and the servo motor two 504 are started synchronously, the residual broken leaves are sucked through the air suction pipe 507, and the broken leaves are transported to the discharge pipe 13 by the spiral blade 505;

[0055] S5. When the broken leaves are detected to be accumulated, the small clockwork spring 11 is controlled to vibrate to shake off the adhered broken leaves by the hook 508, and the air suction machine 506 is used for secondary suction.

[0056] Further, when the sweet potato is processed by the sweet potato harvester stem-leaf separation device according to the above embodiment, the operation process is as follows:

[0057] 1) first, before the need for harvesting, using the console 2 to start the rack body 1 to the vegetable field, by opening the camera 15 to check the beet planting position, and then adjusting the sliding block 602 position through the electric sliding table 601, so that the arc-shaped pressing plate 605 can be aligned with the beet row position;

[0058] 2) then by setting the infrared distance sensor 608 can be measured, after adjusting the height of the electric telescopic rod 606 extension, so that the height of the scraper 607 is adjusted, thereby adjusting the position of the cut beet head;

[0059] 3) then, when harvesting beets, turn on each part through the console 2, so that the servo motor 501 starts, the cutting blade 502 cuts the leaves, the rack body 1 advances, the leaves fall into the fixed cylinder 503, and the leaves are sent out through the spiral blade 505;

[0060] 4) finally, after the exhaust pipe 507 is opened, the rack body 1 is pumped, so that the cut leaves are discharged through the exhaust pipe 507 and the connecting pipe 7 into the fixed cylinder 503, and part of the leaves are retained through the hook 508 for suction treatment, thereby avoiding the leaves falling beside the beet stems, avoiding the leaves sticking after excavation, and avoiding the subsequent screening.

[0061] In summary, the beet harvester stem-leaf separation device, by setting the separation mechanism 5, when harvesting beets, turn on each part through the console 2, so that the servo motor 501 starts, the cutting blade 502 cuts the leaves, the rack body 1 advances, the leaves fall into the fixed cylinder 503, and the leaves are sent out through the spiral blade 505, then the exhaust pipe 507 is opened, the rack body 1 is pumped, so that the cut leaves are discharged through the exhaust pipe 507 and the connecting pipe 7 into the fixed cylinder 503, and part of the leaves are retained through the hook 508 for suction treatment, thereby avoiding the leaves falling beside the beet stems, avoiding the leaves sticking after excavation, and avoiding the subsequent screening. The separation mechanism 5 can concentrate and scatter the leaves, avoid shaking in the beet vicinity, and facilitate the screening of beets.

[0062] Further, by setting the adjusting mechanism 6, before the need for harvesting, using the console 2 to start the rack body 1 to the vegetable field, by opening the camera 15 to check the beet planting position, and then adjusting the sliding block 602 position through the electric sliding table 601, so that the arc-shaped pressing plate 605 can be aligned with the beet row position, by setting the infrared distance sensor 608 can be measured, after adjusting the height of the electric telescopic rod 606 extension, so that the height of the scraper 607 is adjusted, thereby adjusting the position of the cut beet head. The adjusting mechanism 6 can adjust the position of the separation assembly, cope with different planting distances, and facilitate quick adjustment.

[0063] In this application, unless otherwise clearly specified or limited, the terms "mounting", "connection", "connecting", "fixed", and the like should be interpreted broadly. For example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal connection of two elements, or only surface contact. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0064] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples without contradiction.

[0065] In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0066] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not drive the essence of the corresponding technical solutions out of the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A stem and leaf separation device for a sugar beet harvester, characterized in that, include: The frame body (1), and the control console (2), walking assembly (3), digging assembly (4), separation mechanism (5), adjustment mechanism (6) and camera (15) mounted on the frame body (1); The separation mechanism (5) includes a servo motor (501), a cutting blade (502), a fixed cylinder (503), a servo motor (504), a spiral blade (505), an exhaust fan (506), an exhaust pipe (507), and hooks (508). The servo motor (501) is located inside the frame body (1). The cutting blade (502) is installed on the outside of the servo motor (501). The fixed cylinder (503) is installed inside the servo motor (501). The servo motor (504) is located inside the fixed cylinder (503). The spiral blade (505) is fixedly installed on the outside of the servo motor (504). The exhaust fan (506) is located inside the frame body (1). The exhaust pipe (507) is fixedly installed on one side of the exhaust fan (506). Several hooks (508) are located at the bottom of the frame body (1). The adjustment mechanism (6) includes an electric slide (601), sliding blocks (602), a large spring (603), a pressure block (604), an arc-shaped pressure plate (605), an electric telescopic rod (606), a scraper (607), and an infrared ranging sensor (608). The electric slide (601) is installed inside the frame body (1). Several sliding blocks (602) are installed on one side of the electric slide (601). Each of the sliding blocks (602) has a large spring inside. A spring (603), a plurality of large spring springs (603) externally fixedly connected pressure blocks (604), an arc-shaped pressure plate (605) fixedly installed at the bottom of each of the pressure blocks (604), an electric telescopic rod (606) fixedly installed at the bottom of each of the pressure blocks (604), a scraper (607) fixedly installed at the bottom of each of the electric telescopic rods (606), and an infrared ranging sensor (608) fixedly installed on the outside of each of the pressure blocks (604); The camera (15) is located outside the rack body (1) and above the scraper (607).

2. The beet harvester stem and leaf separation device according to claim 1, characterized in that, A connecting pipe (7) is installed on the top of the exhaust fan (506), and the fixed cylinder (503) is connected to the exhaust fan (506) through the connecting pipe (7).

3. The beet harvester stem and leaf separation device according to claim 1, characterized in that, The fixed cylinder (503) has an opening 1 (8) and an opening 2 (9) on its outside. The opening 1 (8) is adapted to the cutting blade (502), and the opening 2 (9) is matched with the connecting pipe (7).

4. The beet harvester stem and leaf separation device according to claim 1, characterized in that, The bottom of the frame body (1) is provided with several connecting rods (10), and each connecting rod (10) is provided with a small spring (11) on the outside. Each hook (508) is movably connected to the corresponding connecting rod (10) through the corresponding small spring (11).

5. The beet harvester stem and leaf separation device according to claim 1, characterized in that, The bottom of the frame body (1) is provided with an air suction hood (12), which is connected to the exhaust pipe (507).

6. The beet harvester stem and leaf separation device according to claim 1, characterized in that, The machine frame body (1) is provided with a discharge pipe (13) on the outside, and the discharge pipe (13) is connected to the fixed cylinder (503).

7. The beet harvester stem and leaf separation device according to claim 1, characterized in that, Each sliding block (602) has a slider (14) fixedly installed on its top, and the frame body (1) has a groove on its outside that is adapted to the slider (14).

8. The beet harvester stem and leaf separation device according to claim 1, characterized in that, A camera (15) is provided on the outside of the frame body (1), and the camera (15) is located above several scrapers (607).

9. A beet harvester stem and leaf separation device according to claim 1, characterized in that, The infrared ranging sensor (608) detects vertically downwards, and the detection signal is fed back to the control console (2) to adjust the stroke of the electric telescopic rod (606).

10. A control method for a beet harvester stem and leaf separation device according to any one of claims 1-9, characterized in that, Includes the following steps: S1. The position of the beet row is identified by the camera (15), and the electric slide (601) is controlled to drive the sliding block (602) for lateral positioning; S2. Based on the ground distance data fed back by the infrared ranging sensor (608), calculate the height of the beet root and adjust the extension amount of the electric telescopic rod (606); S3. Start the servo motor (501) to drive the cutting blade (502) to cut the stem and leaves, and the broken leaves enter the fixed cylinder (503) through the opening (8); S4. Simultaneously start the exhaust fan (506) and servo motor 2 (504), suck up the residual broken leaves through the exhaust pipe (507), and the spiral blades (505) transport the broken leaves to the discharge pipe (13); S5. When the accumulation of broken leaves is detected, the small spring (11) is controlled to vibrate so that the hook (508) shakes off the stuck broken leaves, and the exhaust fan (506) performs secondary suction.

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