Four-wheel drive self-propelled double-row flax pulling machine

Abstract

The utility model discloses a four -drive self -walking type double -row flax scutching machine belongs to agricultural machinery technical field. The device includes frame, scutching part, conveyance hemp part, fall hemp part and walking part. Scutching part realizes double -row synchronous operation through the double -row scutching platform of symmetrical setting, and the scutching platform front end articulates the combination ware to adjust the row distance, and adjusts the scutching height through the hydraulic oil cylinder dynamic, and scutching belt adopts the flexible clamping conveyance design of the combination of rubber wheel and rubber scutching belt, and the fiber damage rate is reduced significantly. Fall hemp part adopts the scutching belt of symmetrical inclination layout, and the surface is evenly distributed elastic cone type rubber, and realizes hemp paving neat and even through gravity auxiliary and dynamic tension control. Walking part integrates mechanical drive and hydraulic auxiliary drive, and front, rear drive axle combination variable displacement pump and variable displacement motor realize all -terrain four -drive self -adaptation. The utility model solves the problem of traditional equipment mechanical damage high, low efficiency, and has the comprehensive advantage of low loss, high efficiency, strong adaptability.

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery technology, specifically a four-wheel drive self-propelled double-row flax harvesting machine. Background Technology

[0002] Flax is an important economic crop, and its fibers are characterized by high tensile strength, softness, and fineness, making them widely used in the textile industry. The harvesting of flax is a crucial step in flax production, as its quality directly affects the quality and yield of flax fibers.

[0003] With the development of agricultural mechanization, mechanized harvesting has become the main trend in flax production. However, due to the slender and easily broken characteristics of flax stalks, mechanized processing during the harvesting process is quite difficult, especially in the conveying and laying stages, which can easily damage the flax and affect the final fiber quality.

[0004] During flax harvesting, the flax-dropping device is responsible for transferring the harvested flax from the conveyor to the ground and spreading it evenly. Currently, the flax-dropping devices used in commonly available flax harvesting machinery have the following main problems:

[0005] Most users are using tractor-trailer-driven side-laying hemp, which requires a tractor-driven path for hemp harvesting, resulting in a narrow harvesting area and low efficiency.

[0006] Traditional flax-felling equipment typically uses rigid conveyor belts (such as rubber belts or canvas belts) as the main conveying component. The flax is held and transported to the end of the conveyor belt, and then falls to the ground by its own weight or with the help of auxiliary devices.

[0007] However, the rigid conveyor belt makes rigid contact with the flax, resulting in high friction and potential abrasion to the flax surface during transport. When the flax piles up or shifts, the rigid conveyor belt cannot adapt in time, easily causing compression, entanglement, or pulling, leading to fiber breakage.

[0008] Meanwhile, the surface of the rigid conveyor belt is rough or has protrusions (such as rivets, bolts, etc.), which can easily scratch the flax surface during high-speed conveying. Scratching not only affects the appearance of the flax, but also damages the fibers, reducing the quality of the flax fibers and the yield.

[0009] Therefore, a four-wheel drive self-propelled double-row flax harvesting machine is proposed to address the current shortcomings. Utility Model Content

[0010] In order to solve the problems of the prior art, this utility model provides a four-wheel drive self-propelled double-row flax pulling machine.

[0011] The technical problem to be solved by this utility model is to overcome the defects of the above-mentioned technology and provide a four-wheel drive self-propelled double-row flax pulling machine.

[0012] To solve the above-mentioned technical problems, the technical solution provided by this utility model is a four-wheel drive self-propelled double-row flax harvesting machine: including a frame;

[0013] The frame is provided with a hemp-pulling section, a hemp-transporting section and a hemp-dropping section from front to back, and a walking section is provided at the bottom of the frame;

[0014] The hemp-pulling section includes a hemp-pulling platform and a splitter hinged to the hemp-pulling platform. The hemp-pulling platform is hinged to the frame and its lower part is connected to the frame via a hydraulic cylinder.

[0015] The hemp conveying section includes a hemp conveying mechanism symmetrically arranged in the middle of the frame and corresponding to the hemp pulling section. The hemp dropping section includes a hemp dropping mechanism symmetrically arranged at the rear end of the frame and connected to the corresponding hemp conveying mechanism via a hemp conveying belt. The hemp dropping mechanism includes a hemp dropping belt symmetrically arranged on both sides of the hemp conveying belt. The hemp dropping belt and the surface of the hemp conveying belt are evenly distributed with conical rubber nails.

[0016] The walking mechanism is located at the bottom of the frame and is used to control the movement of the hemp-pulling machine.

[0017] As an improvement, the upper end of the hemp-pulling platform is connected to the vehicle frame via a hook, the two ends of the hydraulic cylinder are rotatably connected to the hemp-pulling platform and the vehicle frame respectively, and the splitter is hinged to the front end of the hemp-pulling platform.

[0018] As an improvement, the hemp-pulling platform includes a hemp-pulling frame and a hemp-pulling mechanism symmetrically arranged on the hemp-pulling frame. The hemp-pulling mechanism includes a drive wheel, a hemp-pulling wheel, and a hemp-pulling belt. The drive wheel and the hemp-pulling wheel are grouped and respectively arranged at both ends of the hemp-pulling frame. The drive wheel has a flipping wheel on both sides. The hemp-pulling platform is connected to a tensioning wheel that movably cooperates with the hemp-pulling wheel via an adjusting rod. The drive wheel and the corresponding tensioning wheel, as well as the flipping wheel and the corresponding tensioning wheel, are connected to the hemp-pulling belt. The hemp-pulling belts are in contact with each other and their front ends enclose the corresponding hemp-pulling wheel. A flipping tensioning wheel that cooperates with the corresponding hemp-pulling belt is movably arranged behind the flipping wheel. Pressure rollers are arranged on both sides of the hemp-pulling belt. A reversing wheel is provided at the rear end extension of the hemp-pulling frame.

[0019] As an improvement, a drive motor corresponding to the hemp-pulling mechanism is provided at the middle of the upper rear end of the hemp-pulling frame. The drive motor is connected to the drive wheel and the tilting wheel through a power box set on the hemp-pulling frame.

[0020] As an improvement, the tail end of the hemp conveying belt is provided with a drive wheel that is rotatably connected to the frame, the upper end of the hemp dropping belt is located on both sides of the hemp conveying belt and is sleeved on the drive wheel, the hemp dropping belt is inclined and its lower end is rotatably connected to the frame through a driven wheel.

[0021] As an improvement, the running gear includes a front wheel and a rear wheel. A front drive axle is provided at the bottom front end of the frame, and the front wheel is connected to both ends of the front drive axle. A rear drive axle is provided at the bottom rear end of the frame, and the rear wheel is connected to both ends of the rear drive axle. The engine is located in the middle of the frame and is connected to the front drive axle and the rear drive axle through a drive shaft. The engine is connected to a variable pump, and the variable pump is connected to a variable motor integrated on the front drive axle and the rear drive axle.

[0022] As an improvement, a driver's cab is provided in the middle of the chassis.

[0023] The advantages of this utility model compared with the prior art are as follows:

[0024] 1. The hemp conveying and dropping belts with evenly distributed conical rubber nails on the surface are used to replace the traditional rigid conveyor belts. Through elastic contact and conical geometry design, the local pressure between the hemp stalks and the conveying surface is significantly reduced, reducing skin scratches and fiber breakage, and lowering the fiber damage rate.

[0025] 2. A symmetrical double-row flax-pulling mechanism is adopted, which combines two sets of driven flax-pulling belts and flax-pulling wheels to achieve synchronous flax-pulling and conveying of two rows. Without increasing the overall size of the machine, the working width is doubled, significantly improving field throughput efficiency.

[0026] 3. The flax dropping section adopts an inclined dual-channel structure with a combination of driving and driven wheels. Through the synchronous operation of the flax conveyor belt and the flax dropping belt, the roots of the flax are aligned and evenly laid out. The elastic support of the rubber nails and the gravity self-sliding mechanism ensure that the flax is laid neatly, providing a standardized raw material form for subsequent mechanized processing, significantly improving the flax yield and subsequent processing efficiency. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the structure of a four-wheel drive self-propelled double-row flax pulling machine according to this utility model.

[0028] Figure 2 yes Figure 1 A magnified view of a portion of point A in the middle.

[0029] Figure 3 This is a schematic diagram of the hemp-pulling section in a four-wheel drive self-propelled double-row flax hemp-pulling machine according to this utility model.

[0030] Figure 4 This is a schematic diagram of the hemp dropping section in a four-wheel drive self-propelled double-row flax hemp pulling machine according to this utility model.

[0031] As shown in the figure:

[0032] 1. Frame;

[0033] 2. Hemp pulling section, 201. Hemp pulling platform, 2011. Hemp pulling frame, 2012. Drive wheel, 2013. Hemp pulling wheel, 2014. Hemp pulling belt, 2015. Tilting wheel, 2016. Adjusting rod, 2017. Tensioning wheel, 2018. Pressure wheel, 2019. Reversing wheel, 20110. Tilting tensioning wheel;

[0034] 202. Divider / Dispenser; 203. Hydraulic Cylinder;

[0035] 3. Hemp transport section;

[0036] 4. Hemp dropping section; 401. Hemp dropping mechanism; 4011. Hemp dropping belt; 4012. Rubber nail;

[0037] 5. Running gear, 501. Front wheel, 502. Rear wheel, 503. Front drive axle, 504. Rear drive axle, 505. Engine, 506. Variable displacement pump;

[0038] 6. Hemp conveyor belt; 7. Connector; 8. Drive motor; 9. Power box; 10. Drive wheel; 11. Driven wheel; 12. Cab. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the utility model embodiments clearer, the technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. The components of the utility model embodiments described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0040] In the description of the embodiments of the utility model, it should be noted that if terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," or "outer" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use, they are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the utility model. Furthermore, terms such as "first," "second," and "third" are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0041] Furthermore, the use of terms such as "horizontal," "vertical," and "sag" does not imply that the component must be absolutely horizontal or suspended, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0042] In the description of the utility model embodiments, "a plurality of" means at least two.

[0043] In the description of the embodiments of the utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the utility model according to the specific circumstances.

[0044] As shown in the attached figures, a four-wheel drive self-propelled double-row flax harvesting machine includes a frame 1, which serves as the support structure for the harvesting machine and provides a stable foundation for the entire device.

[0045] The frame 1 is provided with a hemp-pulling section 2, a hemp-transporting section 3, and a hemp-dropping section 4 from front to back, and the bottom of the frame 1 is provided with a walking section 5.

[0046] The flax-pulling section 2 is responsible for pulling flax. The flax-pulling section 2 includes a flax-pulling platform 201 and a splitter 202 hinged to the flax-pulling platform 201. The flax-pulling platform 201 is hinged to the frame 1 and its lower part is connected to the frame 1 through a hydraulic cylinder 203.

[0047] Specifically, the upper end of the hemp-pulling platform 201 is connected to the frame 1 via a hook 7, and the hemp-pulling platform 201 and the frame 1 are rotatably connected, which allows for adjustment of the hemp-pulling angle.

[0048] The two ends of the hydraulic cylinder 203 are rotatably connected to the hemp-pulling platform 201 and the frame 1, respectively. In this embodiment, the hydraulic cylinder 203 is a hydraulic cylinder. The bottom of the hydraulic cylinder 203 is rotatably connected to the bottom front end of the frame 1, and the telescopic end of the hydraulic cylinder 203 is rotatably connected to the middle bottom of the hemp-pulling platform 201. By extending and retracting the hydraulic cylinder 203, the angle of the hemp-pulling platform 201 can be adjusted to adapt to different hemp-pulling angles.

[0049] The splitter 202 is hinged to the front end of the hemp pulling table 201 and is used to adjust the hemp pulling width to adapt to different row spacing requirements.

[0050] Furthermore, the hemp-pulling platform 201 includes a hemp-pulling frame 2011 and a hemp-pulling mechanism symmetrically arranged on the hemp-pulling frame 2011. The upper end of the hemp-pulling frame 2011 is rotatably connected to the vehicle frame 1 through a hanging member 7, and the bottom of the hemp-pulling frame 2011 is rotatably connected to the oil cylinder 203.

[0051] In this embodiment, there are two sets of hemp-pulling mechanisms, which are symmetrically arranged on both sides of the hemp-pulling frame 2011, enabling simultaneous operation of two rows and improving work efficiency.

[0052] The hemp-pulling mechanism includes a drive wheel 2012, a hemp-pulling wheel 2013, and a hemp-pulling belt 2014. The drive wheel 2012 and the hemp-pulling wheel 2013 are respectively arranged in groups at both ends of the hemp-pulling frame 2011. Specifically, there are two drive wheels 2012 and two hemp-pulling wheels 2013. The drive wheel 2012 is rotatably disposed at the rear end of the hemp-pulling frame 2011, and the hemp-pulling wheel 2013 is rotatably disposed at the front end of the hemp-pulling frame 2011. The hemp-pulling platform 201 is connected to a tension wheel 2017 that is movably engaged with the hemp-pulling wheel 2013 via an adjusting rod 2016. The drive wheel 2012 and the corresponding tension wheel 2017 are connected to the hemp-pulling belt 2014 to form a ring transmission.

[0053] The drive wheel 2012 is provided with a rotating wheel 2015 on both sides. The rotating wheel 2015 is located behind the drive wheel 2012. The rotating wheel 2015 is connected to the corresponding tension wheel 2017 by a hemp-pulling belt 2014 to form a ring transmission.

[0054] The flax-pulling belts 2014 are in contact with each other and their front ends enclose the corresponding flax-pulling wheels 2013. A clamping and conveying channel for flax is formed between the flax-pulling belts 2014. The flax-pulling wheels 2013 are rubber wheels that are in direct contact with the flax. The flax-pulling and conveying actions are realized through friction transmission of relative rotation between the flax-pulling wheels 2013.

[0055] Meanwhile, the tension wheel 2017 is movably mounted on the hemp pulling adjustment rod 2016 to adjust the tension of the hemp pulling belt 2014, reduce damage to the hemp stalks, and ensure the hemp pulling effect.

[0056] Furthermore, pressure rollers 2018 are provided on both sides of the hemp pulling belt 2014. The pressure rollers 2018 are set on the hemp pulling frame 2011 and located on the inner and outer sides of the hemp pulling belt 2014 to ensure the stability of the hemp pulling belt 2014 during the transmission process.

[0057] The rotating wheel 2015 is movably provided with a rotating tension wheel 20110 that cooperates with the corresponding hemp pulling belt 2014. In practice, when the hemp stalk is clamped and conveyed backward by the hemp pulling belt 2014 through the cooperation of the rotating wheel 2015 and the rotating tension wheel 20110, the hemp stalk is first pulled up in a vertical or inclined direction. When it passes the rotating wheel 2015, the running direction of the hemp pulling belt 2014 bends (such as turning 90°), forcing the hemp stalk to change its extension direction along the path of the hemp pulling belt 2014.

[0058] Furthermore, the tension of the hemp pulling belt 2014 can be dynamically adjusted via the movable flipping tension wheel 20110, ensuring that the hemp stalks are always in close contact with the hemp pulling belt 2014 during the flipping process, thus preventing the hemp stalks from slipping or deviating in direction due to insufficient tension.

[0059] The rear extension of the hemp pulling frame 2011 is provided with a reversing wheel 2019. In this embodiment, the rear end of the hemp pulling frame 2011 is provided with an extension corresponding to the hemp pulling mechanism, and the reversing wheel 2019 is located at the extension to guide the flax into the hemp conveying section 3.

[0060] In practice, the middle of the upper rear end of the hemp-pulling frame 2011 is equipped with a drive motor 8 corresponding to the hemp-pulling mechanism. The drive motor 8 is connected to the drive wheel 2012 and the tilting wheel 2015 through the power box 9 set on the hemp-pulling frame 2011 to provide hemp-pulling power.

[0061] In this embodiment, the drive motor 8 is a hydraulic motor, which serves as a power source to provide rotational power. The power box 9 distributes the power of the drive motor 8 to the drive wheel 2012 and the turning wheel 2015 to achieve the coordination of the hemp-pulling and turning actions.

[0062] In specific implementation, the drive motor 8 drives the drive wheel 2012 and the turning wheel 2015 to rotate through the power box 9, thereby driving the rotation of the corresponding flax pulling belt 2014. Since the front end of the flax pulling belt 2014 wraps around the corresponding side flax pulling wheel 2013, and the flax pulling wheel 2013 is a rubber wheel, the flax pulling wheel 2013 directly contacts the flax through friction transmission due to the relative rotation between the flax pulling wheels 2013, generating friction between them and pulling the flax from the soil. At the same time, since the flax pulling belt 2014 forms a clamping and conveying channel for the flax, the flax is conveyed. When the flax moves to the turning wheel 2015, the running direction of the flax pulling belt 2014 bends, forcing the flax to change its extension direction and achieve turning.

[0063] Then, the flipped flax continues to be conveyed by the flax-pulling belt 2014, guided by the reversing wheel 2019, and enters the flax-transfer section 3.

[0064] The flax conveying section 3 is responsible for conveying the harvested flax backward. The flax conveying section 3 includes a flax conveying mechanism symmetrically arranged in the middle of the frame 1 and corresponding to the flax harvesting section 2. In this embodiment, the flax conveying mechanism adopts the prior art, and the flax conveying section 3 conveys the flax to the flax dropping section 4.

[0065] The flax dropping section 4 evenly places the flax conveyed by the flax conveying section 3 onto the ground. The flax dropping section 4 includes a flax dropping mechanism 401 symmetrically arranged at the rear end of the frame 1 and connected to the corresponding flax conveying mechanism through the flax conveying belt 6. The flax dropping mechanism 401 includes flax dropping belts 4011 symmetrically arranged on both sides of the flax conveying belt 6. The flax dropping belts 4011 and the flax conveying belt 6 are evenly distributed with conical rubber nails 4012.

[0066] In this design, the rubber nails 4012 are arranged in double rows along the width of the flax drop belt 4011 and the flax conveying belt 6, and are evenly distributed along their surfaces. The rubber nails 4012 are conical with a smooth transition at the top edge, reducing the contact area with the flax surface and avoiding direct scraping of the flax stalk surface by traditional right angles or sharp protrusions. At the same time, they form point contact with the flax rather than surface contact during conveying, reducing local pressure and preventing fiber damage.

[0067] Furthermore, since the rubber nail 4012 is made of rubber, it has high elasticity and flexibility, and can deform when in contact with flax to absorb impact. Even if the flax stalk collides with the rubber nail 4012, the elastic deformation can buffer mechanical stress and avoid scratches or breakage caused by hard materials (such as metal nails).

[0068] In practical implementation, the flax drop belts 4011 are symmetrically distributed on both sides of the flax conveyor belt 6, forming a dual-channel support structure. The flax is stably supported at the end of the flax conveyor belt 6 by the flax drop belts 4011, balancing the conveying tension, preventing the flax stalks from shifting or twisting due to unilateral tension, and reducing the risk of scratching.

[0069] Furthermore, the tail end of the hemp conveying belt 6 is provided with a drive wheel 10 that is rotatably connected to the frame 1. The upper end of the hemp dropping belt 4011 is located on both sides of the hemp conveying belt 6 and is sleeved on the drive wheel 10. The end of the hemp conveying belt 6 is connected to the upper end of the hemp dropping belt 4011 through the drive wheel 10 to form a continuous conveying path. The rotation of the hemp conveying belt 6 drives the rotation of the drive wheel 10, which in turn synchronously drives the rotation of the hemp dropping belt 4011, thus achieving synchronous rotation between the two.

[0070] The hemp-dropping belt 4011 is inclined and its lower end is rotatably connected to the frame 1 via a driven wheel 11. There are two driven wheels 11, each connected to a corresponding hemp-dropping belt 4011, supporting the inclined layout of the hemp-dropping belt 4011.

[0071] In practical implementation, the flax conveyor belt 6 transports the harvested flax from the harvesting section 2 through the conveying section 3 to the dropping section 4. The drive wheel 10 at the end of the conveyor belt 6 drives the dropping belt 4011 to rotate synchronously. The flax smoothly transitions from the conveyor belt 6 to the dropping belt 4011. Simultaneously, due to the inclined design of the dropping belt 4011, the flax slides down its surface under gravity. The rubber nails 4012 continuously clamp the flax during the conveying process, preventing it from shifting or scattering due to inertia or wind. The symmetrical dropping belts 4011 provide support and synchronous release for the flax, forming a parallel and neat flax bed with the roots facing in the same direction.

[0072] In practice, the hemp conveying section 3 and the hemp dropping section 4 on one side can adopt an integral structure, with their ends rotatably connected to the frame 1, and the two can rotate relative to each other horizontally.

[0073] Specifically, the front end of the frame 1 is provided with a rotating shaft. The flax conveying section 3 and the flax dropping section 4 on one side can be rotated by the rotating shaft to adjust the distance between them according to the height of the flax. At the same time, the flax conveying section 3 and the flax dropping section 4 on one side are symmetrically provided with multiple adjustment holes. After adjustment, the flax conveying section 3 and the flax dropping section 4 on both sides are fixed by the cooperation of the support rod with the corresponding adjustment hole, so as to adjust the distance between the two rows according to the height of the flax.

[0074] Meanwhile, a hydraulic adjustment rod is provided on the left rear end of the frame 1, which is connected to the corresponding hemp conveying section 3 and hemp dropping section 4. After the hemp conveying section 3 and hemp dropping section 4 on both sides are adjusted, the support rod makes the hemp conveying section 3 and hemp dropping section 4 on both sides form an integral part. By rotating the corresponding hemp conveying section 3 and hemp dropping section 4 on both sides of the frame 1 through the hydraulic adjustment rod, the hemp conveying section 3 and hemp dropping section 4 on both sides can be rotated as a whole, so that a certain distance can be maintained between the placed flax and the flax that has not been pulled.

[0075] In this embodiment, the flax conveying section 3 and the flax dropping section 4 can be rotated 8.5° to the left to ensure that the flax that has been placed and the flax that has not been pulled up are kept at a maximum distance of 0.7 meters.

[0076] The walking unit 5 is located at the bottom of the frame 1 and is used to control the movement of the hemp pulling machine.

[0077] Specifically, the walking unit 5 includes a front wheel 501 and a rear wheel 502. The front drive axle 503 is provided at the bottom front end of the frame 1. The front wheel 501 is connected to both ends of the front drive axle 503. The rear drive axle 504 is provided at the bottom rear end of the frame 1. The rear wheel 502 is connected to both ends of the rear drive axle 504. The front drive axle 503 and the rear drive axle 504 are respectively integrated at the bottom front end and the bottom rear end of the frame 1 to form a four-wheel drive frame. The front wheel 501 and the rear wheel 502 are directly connected to both ends of the corresponding drive axle through wheel axles to realize mechanical power transmission.

[0078] The engine 505 is located in the middle of the frame 1 and is connected to the front drive axle 503 and the rear drive axle 504 via a drive shaft.

[0079] The engine 505 serves as a power source and is mechanically connected to the front drive axle 503 and the rear drive axle 504 via a transmission shaft, directly driving the rotation of the wheels.

[0080] The engine 505 is connected to a variable pump 506, which is connected to a variable motor integrated on the front drive axle 503 and the rear drive axle 504.

[0081] The variable pump 506 is linked with the engine 505 to convert mechanical energy into hydraulic energy, and is connected to the variable motor integrated on the front drive axle 503 and the rear drive axle 504 through hydraulic pipelines to form an auxiliary hydraulic drive link.

[0082] Meanwhile, the drive motor 8 on the hemp pulling platform 201 is a cycloidal motor and the two are connected in series. The hemp conveying section 3 is existing technology, but since it is set in accordance with the hemp pulling section 2 and the hemp dropping section 4, the number of motors set in it is the same as the number of drive motors 8. In this embodiment, the motors of the hemp conveying section 3 are connected in series and in parallel with the drive motors 8, and then connected to the variable pump 506. At this time, the drive motors 8 and the motors in the hemp conveying section 3 can be controlled by the variable pump 506, so that the hemp pulling speed and the conveying speed can be synchronously adjusted according to the walking speed of the hemp pulling machine.

[0083] The chassis 1 has a cab 12 located in the middle, which accommodates the operator and provides a comfortable and safe working environment. The operator can clearly observe the machine's working status and the surrounding environment from inside the cab 12, thereby making accurate operational decisions.

[0084] The control panel inside the cab 12 integrates various control switches and instruments of the machine. The operator can start and stop the machine, adjust the machine's speed and direction, and monitor the machine's operating status through the control switches.

[0085] In this embodiment, the hydraulic cylinder 203 is model HSG 100 / 55-300-16MPa, the variable pump 506 is model Rexroth A10VSO 45DR, the drive motor 8 is model Rexroth A2FE 56 / 61W, and the drive axle is selected from the KCHC00A series hydraulic drive axle assembly.

[0086] In specific implementation of this utility model:

[0087] 1) Starting and walking:

[0088] 1.1 Engine start-up:

[0089] The operator enters the cab 12 and starts the engine 505, which then begins to run, providing power to the entire equipment.

[0090] 1.2 Hydraulic system operation:

[0091] The engine 505 drives the variable pump 506, which converts mechanical energy into hydraulic energy.

[0092] The variable pump 506 is connected to the variable motor integrated on the front drive axle 503 and the rear drive axle 504. By controlling the output of the variable pump 506, stepless speed regulation control of the front wheel 501 and the rear wheel 502 can be achieved.

[0093] 1.3 Walking Control:

[0094] The operator can adjust the output flow and direction of the variable pump 506 through the control device in the cab 12 to control the walking speed, direction and start / stop of the hemp pulling machine.

[0095] The front drive axle 503 and the rear drive axle 504 drive the front wheel 501 and the rear wheel 502 respectively, achieving four-wheel drive and ensuring good passability of the hemp harvester in the field.

[0096] 2) Line spacing adjustment and angle adjustment:

[0097] The splitter 202 is hinged to the front end of the hemp pulling table 201 and is used to adjust the hemp pulling width to meet the needs of different row spacing.

[0098] The extension and retraction of the hydraulic cylinder 203 is controlled by a hydraulic system. The operator adjusts the extension and retraction of the hydraulic cylinder 203 through the control device in the cab 12 according to the field terrain and flax growth.

[0099] The two ends of the hydraulic cylinder 203 are hinged to the frame 1 and the hemp-pulling platform 201, respectively. The extension and retraction of the hydraulic cylinder 203 drives the hemp-pulling platform 201 to rotate around the hanging part 7, thereby adjusting the angle of the hemp-pulling platform 201 to maintain a suitable angle with the ground and ensure the smoothness of the hemp-pulling process.

[0100] 3) Flax harvesting and conveying:

[0101] When the drive motor 8 is started, it drives the drive wheel 2012 and the tilting wheel 2015 to rotate through the power box 9, which in turn drives the corresponding hemp-pulling belt 2014 to rotate, so that the hemp-pulling belt 2014 forms a closed loop.

[0102] Since the front end of the flax-pulling belt 2014 envelops the corresponding flax-pulling wheel 2013, it synchronously drives the flax-pulling wheel 2013 to rotate synchronously. Through the friction transmission of the relative rotation between the flax-pulling wheels 2013, friction is generated between them and the flax, which vertically pulls the flax out of the soil.

[0103] The tensioning wheel 2017 is movably engaged with the hemp pulling wheel 2013. The tension of the hemp pulling belt 2014 can be adjusted by the adjusting rod 2016 to ensure a stable clamping of the flax while reducing damage to the hemp stalks.

[0104] Meanwhile, since the flax is clamped and conveyed through the flax-pulling belts 2014, the flax is conveyed. When the flax moves to the turning wheel 2015, the running direction of the flax-pulling belts 2014 bends, forcing the flax to change its extension direction and thus turning it over.

[0105] The flipping tension wheel 20110 works in conjunction with the flipping wheel 2015 to dynamically adjust the tension of the flax pulling belt 2014, ensuring that the flax is always in close contact with the flax pulling belt 2014 during the flipping process, thus preventing slippage or directional deviation.

[0106] Then, the flipped flax continues to be conveyed by the flax-pulling belt 2014, guided by the reversing wheel 2019, and enters the flax-transfer section 3.

[0107] 4) Continuous conveying of hemp by conveyor belt 6:

[0108] The harvested flax is conveyed from the flax-harvesting section 2 to the flax-dropping section 4 via the flax-transferring section 3 and the flax-dropping section 4. The tapered rubber nails 4012 evenly distributed on the surface of the flax-transferring section enhance the friction through elastic contact, preventing the flax from slipping off.

[0109] 5) Precise placement of the hemp-laying mechanism 401:

[0110] The rotation of the hemp conveying belt 6 drives the rotation of the drive wheel 10, which in turn drives the hemp dropping belts 4011 set on both sides of the hemp conveying belt 6 to operate synchronously, so that the flax can smoothly transition from the hemp conveying belt 6 to the hemp dropping belt 4011.

[0111] Meanwhile, the flax-dropping belt 4011 is arranged at an angle, with its upper end fitted onto the drive wheel (10) and its lower end supported by the driven wheel 11. The flax slides down the inclined surface under the action of gravity, and the rubber nails 4012 control the sliding speed to prevent accumulation.

[0112] The symmetrical hemp strips 4011 provide support and synchronize the release of the flax, forming a hemp bed with aligned roots and a uniform, flat surface.

[0113] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A four-wheel drive self-propelled double-row flax harvesting machine, characterized in that: Includes the frame (1) and the engine (505); The frame (1) is provided with a hemp-pulling section (2), a hemp-transporting section (3) and a hemp-dropping section (4) from front to back, and a walking section (5) is provided at the bottom of the frame (1). The hemp-pulling section (2) includes a hemp-pulling platform (201) and a splitter (202) hinged to the hemp-pulling platform (201). The hemp-pulling platform (201) is hinged to the frame (1) and its lower part is connected to the frame (1) through a hydraulic cylinder (203). The hemp conveying section (3) includes a hemp conveying mechanism symmetrically arranged in the middle of the frame (1) and corresponding to the hemp pulling section (2). The hemp dropping section (4) includes a hemp dropping mechanism (401) symmetrically arranged at the rear end of the frame (1) and connected to the corresponding hemp conveying mechanism through the hemp conveying belt (6). The hemp dropping mechanism (401) includes a hemp dropping belt (4011) symmetrically arranged on both sides of the hemp conveying belt (6). The hemp dropping belt (4011) and the surface of the hemp conveying belt (6) are evenly distributed with conical rubber nails (4012). The walking part (5) is located at the bottom of the frame (1) and is used to control the movement of the hemp pulling machine.

2. The four-wheel drive self-propelled double-row flax harvesting machine according to claim 1, characterized in that: The upper end of the hemp-pulling platform (201) is connected to the frame (1) via a hook (7). The two ends of the oil cylinder (203) are rotatably connected to the hemp-pulling platform (201) and the frame (1) respectively. The splitter (202) is hinged to the front end of the hemp-pulling platform (201).

3. A four-wheel drive self-propelled double-row flax harvesting machine according to claim 2, characterized in that: The hemp-pulling platform (201) includes a hemp-pulling frame (2011) and a hemp-pulling mechanism symmetrically arranged on the hemp-pulling frame (2011). The hemp-pulling mechanism includes a drive wheel (2012), a hemp-pulling wheel (2013), and a hemp-pulling belt (2014). The drive wheel (2012) and the hemp-pulling wheel (2013) are arranged in groups at both ends of the hemp-pulling frame (2011). The drive wheel (2012) has a flipping wheel (2015) on both sides. The hemp-pulling platform (201) is connected to a tension wheel (2016) that is movable and cooperates with the hemp-pulling wheel (2013). 7) The drive wheel (2012) and the corresponding side tension wheel (2017) and the flip wheel (2015) and the corresponding side tension wheel (2017) are connected by a hemp pulling belt (2014). The hemp pulling belts (2014) are in contact with each other and their front ends enclose the corresponding side hemp pulling wheel (2013). The flip wheel (2015) is movably provided with a flip tension wheel (20110) that cooperates with the corresponding hemp pulling belt (2014) at the rear. The hemp pulling belt (2014) is provided with pressure belt wheels (2018) on both sides. The rear end extension of the hemp pulling frame (2011) is provided with a reversing wheel (2019).

4. A four-wheel drive self-propelled double-row flax harvesting machine according to claim 3, characterized in that: The hemp-pulling frame (2011) is equipped with a drive motor (8) corresponding to the hemp-pulling mechanism at the middle of its upper rear end. The drive motor (8) is connected to the drive wheel (2012) and the tilting wheel (2015) through a power box (9) set on the hemp-pulling frame (2011).

5. A four-wheel drive self-propelled double-row flax harvesting machine according to claim 1, characterized in that: The tail end of the hemp conveying belt (6) is provided with a drive wheel (10) that is rotatably connected to the frame (1). The upper end of the hemp dropping belt (4011) is located on both sides of the hemp conveying belt (6) and is sleeved on the drive wheel (10). The hemp dropping belt (4011) is inclined and its lower end is rotatably connected to the frame (1) through the driven wheel (11).

6. A four-wheel drive self-propelled double-row flax harvesting machine according to claim 1, characterized in that: The walking unit (5) includes a front wheel (501) and a rear wheel (502). The front drive axle (503) is provided at the bottom front end of the frame (1). The front wheel (501) is connected to both ends of the front drive axle (503). The rear drive axle (504) is provided at the bottom rear end of the frame (1). The rear wheel (502) is connected to both ends of the rear drive axle (504). The engine (505) is located in the middle of the frame (1) and is connected to the front drive axle (503) and the rear drive axle (504) through a drive shaft. The engine (505) is connected to a variable pump (506). The variable pump (506) is connected to a variable motor integrated on the front drive axle (503) and the rear drive axle (504).

7. A four-wheel drive self-propelled double-row flax harvesting machine according to claim 1, characterized in that: The vehicle frame (1) has a driver's cab (12) in the middle.

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