Seeding and harvesting integrated agricultural machine for asparagus lettuce

Abstract

The utility model discloses an asparagus lettuce sowing and harvesting integrated agricultural machine, and relates to the technical field of asparagus lettuce harvesting, a vehicle body is an aluminum alloy frame structure, a sowing mechanism and a harvesting mechanism are arranged on the vehicle body, a harvesting motor is fixedly arranged on the vehicle body, the output end of the harvesting motor is connected with a cutting blade, and a rotating baffle is vertically arranged above the cutting blade; the rotating motor is fixedly arranged on the vehicle body, the output end of the rotating motor is connected with the rotating baffle, a transverse plate is horizontally arranged on one side of the cutting blade, a conveying belt is obliquely arranged on the side, away from the cutting blade, of the transverse plate, the conveying direction of the conveying belt is the horizontal direction, the driving motor is fixedly arranged on the vehicle body, and a power shaft of the driving motor is connected with the conveying belt. More than two partition baffles are uniformly arranged on the surface of the conveying belt, and a storage mechanism is further arranged below the conveying belt. On the premise that land and crop conditions are not changed, the working efficiency of agricultural machinery can be improved to the maximum extent, negative effects on the environment are reduced, and development of green and sustainable agriculture is promoted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the art of lettuce harvesting technology, more particularly to a lettuce sowing and harvesting integrated agricultural machine. BACKGROUND

[0002] Most of the existing lettuce harvesting machines rely on manual assistance for harvesting, which not only has low efficiency, but also leads to a significant increase in labor intensity of farmers due to the complexity of operation and poor adaptability to different terrains.

[0003] In addition, existing agricultural machinery often focuses on a single function, such as simple sowing or simple picking, lacking multifunctional integrated equipment, which cannot effectively reduce operating costs and time consumption. For columnar vegetables such as lettuce, traditional harvesters and seeders usually require different equipment to complete the two operation steps, which makes the investment in equipment large and occupies a large space in the agricultural production process, making transportation and storage inconvenient. SUMMARY

[0004] The technical problem to be solved by the utility model is that current agricultural machinery has high carbon emissions, low efficiency, single function, and redundant equipment, etc. In order to overcome the defects of the prior art, the utility model provides a lettuce sowing and harvesting integrated agricultural machine, which can maximize the operating efficiency of the agricultural machine without changing the land and crop conditions, reduce the negative impact on the environment, and promote the development of green and sustainable agriculture.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a lettuce sowing and harvesting integrated agricultural machine, which comprises a vehicle body, a sowing mechanism, a harvesting mechanism, and a storage mechanism. The vehicle body is an aluminum alloy frame structure. The sowing mechanism and the harvesting mechanism are arranged on the vehicle body. The harvesting mechanism comprises a harvesting motor, a cutting blade, a rotating baffle, a rotating motor, a horizontal plate, a conveyor belt, a partition baffle, and a driving motor. The harvesting motor is fixedly arranged on the vehicle body. The output end of the harvesting motor is connected with the cutting blade. The rotating baffle is vertically arranged above the cutting blade. The rotating motor is fixedly arranged on the vehicle body, and the output end of the rotating motor is connected with the rotating baffle. The horizontal plate is horizontally arranged on one side of the cutting blade. The conveyor belt is obliquely arranged on the side of the horizontal plate away from the cutting blade. The conveying direction of the conveyor belt is horizontal. The driving motor is fixedly arranged on the vehicle body, and the power shaft of the driving motor is connected with the conveyor belt. The surface of the conveyor belt is uniformly provided with two or more partition baffles. The storage mechanism is further arranged below the conveyor belt.

[0007] The utility model discloses a sowing mechanism, cutting mechanism and receiving mechanism are arranged on the vehicle body, and the sowing mechanism, cutting mechanism and receiving mechanism are connected with each other.

[0008] In the preferable technical scheme of the utility model, the sowing device includes a disc and a protrusion, the disc is rotationally connected with the cylinder, the protrusion is arranged at the top center of the disc, the free end of the rotating shaft is connected to the protrusion, and the disc is also uniformly provided with sowing holes.

[0009] In the preferable technical scheme of the utility model, the top of the cylinder is also provided with a triangular funnel-shaped seed feeding port.

[0010] In the preferable technical scheme of the utility model, the receiving mechanism includes a receiving bin and a guide plate, the receiving bin is arranged below the conveying belt, the receiving bin is fixedly arranged on the vehicle body, and the guide plate is arranged obliquely in the receiving bin.

[0011] In the preferable technical scheme of the utility model, the cutting blade is also provided with a protective cover outside.

[0012] In the preferable technical scheme of the utility model, the vehicle body is also provided with a walking wheel, the walking motor is fixedly arranged on the vehicle body, and the power shaft of the walking motor is in transmission connection with the walking wheel through a belt.

[0013] The utility model has the advantages of the following:

[0014] 1. The device uses lithium batteries to replace diesel or other fossil fuels used in traditional agricultural machinery, significantly reducing carbon emissions and air pollution, and promoting green and sustainable development of agriculture. Compared with traditional diesel-based equipment, the device provides a more environmentally friendly and efficient energy solution, reducing environmental pollution in agricultural production.

[0015] 2. The device integrates sowing and picking functions in one device, avoiding the cumbersome operation of multiple machines in traditional schemes. Not only does it save equipment investment and transportation costs, but it also improves agricultural production efficiency. Through this integrated design, farmers can reduce equipment switching time and improve the continuity and efficiency of overall operations. The sowing and picking functions are designed in a modular way, which can be efficiently disassembled to meet different agricultural work needs.

[0016] 3、The device adopts advanced shock-absorbing spring buffer structure, differential drive structure and hydraulic wheel shock absorber, which can stably run on complex terrain and uneven field ground. The four-wheel independent suspension technology and air suspension system make the machine flexible to respond to various complex environments, not only improve the stability of operation, but also reduce the wear and maintenance cost of the machine.

[0017] 4、The harvesting and sowing processes of the device are controlled by high automation, combined with efficient synchronous conveyor belt system and precise stepper motor drive, which can ensure the accuracy of the operation. The asparagus harvesting process can realize fast and flat harvesting, and the asparagus is orderly and neatly sent into the storage mechanism through the rotating baffle and conveyor belt, reducing manual intervention and improving the picking efficiency.

[0018] 5、The overall structure of the device is compact, small in floor area, and convenient for efficient operation in limited space. Compared with the traditional large-sized harvester, the device can complete the harvesting task in a smaller space while ensuring efficient operation, suitable for different scales of farmland and variable crop planting environment.

[0019] 6、The device can greatly improve the energy utilization efficiency, realize precise energy scheduling, reduce energy consumption, and reduce the maintenance cost and use noise of the machine, meeting the requirements of green agricultural development. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 is a structure schematic diagram of the asparagus sowing and harvesting integrated agricultural machine provided by the embodiment of the utility model;

[0021] Figure 2 is Figure 1 structure schematic diagram after removing the vehicle body part;

[0022] Figure 3 is an exploded view of the sowing mechanism.

[0023] In the drawings:

[0024] 1, vehicle body; 11, walking wheel; 12, belt; 13, walking motor; 2, sowing mechanism; 21, sowing motor; 22, rotating shaft; 23, cylinder; 24, seed sowing device; 241, disc; 242, protrusion; 243, seed sowing hole; 244, through hole; 25, support plate; 26, seed feeding port; 3, harvesting mechanism; 31, harvesting motor; 32, cutting blade; 33, rotating baffle; 34, rotating motor; 35, horizontal plate; 36, conveyor belt; 37, separation baffle; 38, driving motor; 39, protective cover; 4, storage mechanism; 41, storage bin; 42, guide plate. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model is further illustrated below with reference to the drawings and by specific embodiments.

[0026] As Figures 1-3As shown, the embodiment provides a lettuce sowing and harvesting integrated agricultural machine, which comprises a vehicle body 1, a sowing mechanism 2, a harvesting mechanism 3 and a storage mechanism 4. The vehicle body 1 is an aluminum alloy frame structure. The sowing mechanism 2 and the harvesting mechanism 3 are arranged on the vehicle body 1. The harvesting mechanism 3 comprises a harvesting motor 31, a cutting blade 32, a rotating baffle 33, a rotating motor 34, a horizontal plate 35, a conveyor belt 36, a separation baffle 37 and a driving motor 38. The harvesting motor 31 is fixedly arranged on the vehicle body 1. The output end of the harvesting motor 31 is connected with the cutting blade 32. The rotating baffle 33 is vertically arranged above the cutting blade 32. The rotating motor 34 is fixedly arranged on the vehicle body 1. The output end of the rotating motor 34 is connected with the rotating baffle 33. The horizontal plate 35 is horizontally arranged on one side of the cutting blade 32. The conveyor belt 36 is obliquely arranged on the side of the horizontal plate 35 away from the cutting blade 32. The conveying direction of the conveyor belt 36 is horizontal. The driving motor 38 is fixedly arranged on the vehicle body 1. The power shaft of the driving motor 38 is connected with the conveyor belt 36. The surface of the conveyor belt 36 is uniformly provided with two or more separation baffles 37. The storage mechanism 4 is arranged below the conveyor belt 36. In the embodiment, the sowing mechanism 2 and the harvesting mechanism 3 are arranged at the left and right ends of the inside of the frame structure, respectively, so as to ensure that no interference occurs between them during use. The sowing mechanism 2 is arranged for automatic sowing of lettuce seeds. The harvesting mechanism 3 is arranged for automatic harvesting of lettuce. By integrating the sowing mechanism 2 and the harvesting mechanism 3 in one device, the cumbersome operation of cooperating with multiple machines in the traditional scheme to complete different operations is avoided. Not only the equipment investment and transportation cost are saved, but also the agricultural production efficiency is improved. The output shaft of the harvesting motor 31 is vertically arranged downward, which is used to drive the cutting blade 32 to rotate to realize the cutting operation of the lettuce. The cutting blade 32 is arranged horizontally and as close to the ground as possible, so as to ensure that the lower region of the lettuce is cut by the cutting blade 32 during work, and the lettuce can be driven to move to the side close to the horizontal plate 35 under the action of friction. The rotating baffle 33 is a cross-shaped structure composed of four acrylic plates. The rotating baffle 33 is vertically arranged above the cutting blade 32. The rotating motor 34 is used to drive the rotating baffle 33 to rotate, which can transfer the cut lettuce on the cutting blade 32 to the horizontal plate 35. At this time, the lettuce will fall on the conveyor belt 36 under the action of gravity. The conveyor belt 36 is obliquely arranged on the vehicle body 1. The conveying direction of the conveyor belt 36 is parallel to the length direction of the horizontal plate 35. The driving motor 38 is used to drive the conveyor belt 36 to rotate, thereby driving the lettuce to move in the horizontal direction, so as to transfer it to the storage mechanism 4 for storage. The separation baffles 37 are made of flexible materials. The separation baffles 37 can uniformly separate the surface of the conveyor belt 36 into several regions, thereby ensuring that each lettuce occupies one region during conveying, so as to realize the orderly conveying of the lettuce and avoid the inclination of the lettuce, and the lettuce falling into the storage mechanism 4 is arranged in order.In addition, a stepping motor controller of model TB6600 is arranged on the top of the vehicle body 1, the harvesting motor 31, the rotating motor 34 and the driving motor 38 are all stepping motors, and the harvesting motor 31, the rotating motor 34 and the driving motor 38 are all electrically connected with the stepping motor controller, the stepping motor controller can control several stepping motors to work cooperatively to realize full-automatic operation. The vehicle body 1 is provided with rechargeable lithium batteries for power supply. The vehicle body 1 is also provided with spring buffering structure for shock absorption.

[0027] Specifically, the seeding mechanism 2 comprises a seeding motor 21, a rotating shaft 22, a cylinder 23, a seed injector 24 and a support plate 25, the seeding motor 21 is fixedly arranged on the vehicle body 1, the rotating shaft 22 is connected with the output end of the seeding motor 21, the support plate 25 is horizontally fixedly arranged on the vehicle body 1, the cylinder 23 is fixedly arranged on the support plate 25, and the free end of the rotating shaft 22 extends into the cylinder 23 and is connected with the seed injector 24. In the embodiment, the seeding motor 21 is also a stepping motor, and the seeding motor 21 is electrically connected with the stepping motor controller. The rotating shaft 22 is vertically arranged, and the seeding motor 21 can drive the rotating shaft 22 to rotate. The cylinder 23 is filled with asparagus lettuce seeds, and the seed injector 24 is rotatably arranged in the cylinder 23, and when the rotating shaft 22 rotates, the seed injector 24 can be driven to rotate synchronously to realize automatic seeding operation. The support plate 25 is arranged horizontally and as close to the ground as possible, so as to reduce the height of the seed injector 24 to prevent the seeds from bouncing out of the hole during seeding. The seed injector 24 can adaptively adjust the seeding speed according to the moving speed of the vehicle body 1, so as to finally realize the operation of the full-automatic following machine at an appropriate seeding speed.

[0028] Specifically, the seed injector 24 comprises a disc 241 and a protrusion 242, the disc 241 is rotatably connected with the cylinder 23, the protrusion 242 is arranged at the top center of the disc 241, and the free end of the rotating shaft 22 is connected with the protrusion 242, and the disc 241 is also uniformly provided with seed injection holes 243, and the support plate 25 is provided with through holes 244 matched with the seed injection holes 243. In the embodiment, the disc 241 is rotatably connected with the inner side wall of the cylinder 23, and the gap between the disc 241 and the inner side wall of the cylinder 23 should be small enough to prevent the asparagus lettuce seeds from leaking through the gap and causing waste. The protrusion 242 is a spherical structure, and the disc 241 and the protrusion 242 are integrally formed by 3D printing, and two or more seed injection holes 243 are uniformly arranged around the protrusion 242 in the circumferential direction, and the protrusion 242 can make the seeds in the cylinder 23 automatically roll to the seed injection holes 243 on the disc 241 to realize quantitative seeding. The through hole 244 is provided with one, and when the through hole 244 is aligned with the seed injection hole 243, the seeds in the seed injection hole 243 can fall into the hole in the ground through the through hole 244 to complete the seeding operation.

[0029] Specifically, the top of the cylinder 23 is further provided with a triangular funnel-shaped seed feeding port 26. In the embodiment, the large-diameter end of the seed feeding port 26 faces upward, the small-diameter end faces downward, and when the seeds in the cylinder 23 are about to be used up, the staff can add seeds to the cylinder 23 through the seed feeding port 26.

[0030] Specifically, the receiving mechanism 4 includes a receiving bin 41 and a guide plate 42. The receiving bin 41 is arranged below the conveying belt 36 and is fixedly arranged on the vehicle body 1. The guide plate 42 is arranged obliquely in the receiving bin 41. In the embodiment, the receiving bin 41 is used for temporarily storing the cut lettuce, and is arranged below the conveying belt 36. The guide plate 42 is arranged obliquely downward, so that the lettuce on the conveying belt 36 can roll orderly and flatly along the inclined surface into the receiving bin 41. The receiving bin 41 is made of aluminum profile and acrylic plate, and is fixedly installed at the tail of the vehicle body 1.

[0031] Specifically, the cutting blade 32 is further provided with a protective cover 39. In the embodiment, the protective cover 39 is fixedly installed on the vehicle body 1, and the protective cover 39 is a semicircular disc structure. The cutting blade 32 is installed in the protective cover 39 to protect the blade.

[0032] Specifically, the vehicle body 1 is further provided with traveling wheels 11, and traveling motors 13 are fixedly arranged on the vehicle body 1. The power shafts of the traveling motors 13 are in transmission connection with the traveling wheels 11 through belts 12. In the embodiment, the vehicle body 1 is provided with four traveling wheels 11, which are arranged at the four corners of the vehicle body 1. The traveling motors 13 are step motors, and one step motor is arranged on each of the left and right sides of the front end of the vehicle body 1, for driving the two front wheels to rotate. The traveling motors 13 are electrically connected with a step motor controller. The step motor controller can control the two traveling motors 13 to work cooperatively. When the two traveling motors 13 rotate at the same speed, the vehicle body 1 moves forward. When the two traveling motors 13 rotate at different speeds, the vehicle body 1 can automatically turn, because the two front wheels rotate at different speeds. The way in which the step motor controller controls the traveling motors 13 to work is the prior art, which will not be described here.

[0033] Working principle: when harvesting operation, stepper motor controller controls two walking motor 13 to rotate at the same speed, in turn, the vehicle body 1 moves forward at a constant speed, then control harvesting motor 31, rotating motor 34 and conveyor belt 36 start, harvesting motor 31 will control the rotary cutting blade 32, will cut lettuce from the root cut, and cutting blade 32 in the process of rotation, using friction will bring cut lettuce to the side of the conveyor belt 36, while rotating motor 34 will drive rotary baffle 33 rotation, rotary baffle 33 rotation will be moved to the horizontal plate 35 on the lettuce, in turn, the lettuce will be under the action of gravity dump in the conveyor belt 36 on two partition baffle 37, then drive motor 38 will drive the conveyor belt 36 rotation, will be transported to the storage bin 41 in the lettuce temporary storage, so as to complete the harvesting operation;

[0034] When the sowing operation is carried out, the staff adds seeds into the cylinder 23 through the seed feeding port 26, and controls two walking motors 13 to rotate at the same speed by the stepper motor controller, in turn, the vehicle body 1 moves forward at a constant speed, then the stepper motor controller controls the sowing motor 21 to start, the sowing motor 21 drives the rotating shaft 22 to rotate, the rotating shaft 22 drives the disc 241 to rotate, so that the seeds are uniformly dropped into the seed feeding hole 243, when the seed feeding hole 243 is aligned with the through hole 244, the seeds in the seed feeding hole 243 fall through the through hole 244 and drop into the pit on the ground, so as to complete the sowing operation.

[0035] The utility model is described through preferred embodiment, and the person skilled in the art knows that various changes or equivalent replacement can be made to these features and embodiments without departing from the spirit and scope of the utility model. The utility model is not limited by the specific embodiments disclosed herein, and other embodiments falling within the scope of the claims of the present application belong to the scope of protection of the utility model.

Claims

1. An integrated agricultural machine for sowing and harvesting lettuce, characterized by: The utility model provides a kind of seedling planting and harvesting machine, including car body (1), seeding mechanism (2), harvesting mechanism (3) and storage mechanism (4), car body (1) is aluminum alloy frame structure, seeding mechanism (2) and harvesting mechanism (3) are provided on car body (1), harvesting mechanism (3) includes harvesting motor (31), cutting blade (32), rotary baffle (33), rotary motor (34), cross plate (35), conveying belt (36), partition baffle (37) and drive motor (38), harvesting motor (31) is fixedly arranged on car body (1), harvesting motor (31) output end is connected with cutting blade (32), cutting blade (32) top is vertically provided with rotary baffle (33), rotary motor (34) is fixedly arranged on car body (1), and rotary motor (34) output end is connected with rotary baffle (33), cutting blade (32) one side is horizontally provided with cross plate (35), cross plate (35) is inclinedly provided with conveying belt (36) away from cutting blade (32) side, and the conveying direction of conveying belt (36) is horizontal direction, drive motor (38) is fixedly arranged on car body (1), and drive motor (38) power shaft is connected with conveying belt (36), conveying belt (36) surface is uniformly provided with two or more than two partition baffles (37), conveying belt (36) below is also provided with storage mechanism (4).

2. The lettuce seed and harvesting integrated agricultural machine according to claim 1, wherein: The seeding mechanism (2) includes a seeding motor (21), a rotating shaft (22), a cylinder (23), a seed dispenser (24) and a support plate (25), the seeding motor (21) is fixedly arranged on the car body (1), the output end of the seeding motor (21) is connected with the rotating shaft (22), the support plate (25) is horizontally fixedly arranged on the car body (1), the support plate (25) is fixedly provided with the cylinder (23), and the free end of the rotating shaft (22) extends into the cylinder (23) and is connected with the seed dispenser (24).

3. The lettuce seed and harvesting integrated agricultural machine according to claim 2, characterized in that: The seed dispenser (24) includes a disc (241) and a protrusion (242), the disc (241) is rotatably connected with the cylinder (23), the top center of the disc (241) is provided with the protrusion (242), and the free end of the rotating shaft (22) is connected to the protrusion (242), and the disc (241) is also uniformly provided with seed dispensing holes (243), and the support plate (25) is provided with through holes (244) matched with the seed dispensing holes (243).

4. The lettuce seed and harvesting integrated agricultural machine according to claim 2, wherein: The top of the cylinder (23) is also provided with a triangular funnel-shaped seed dispensing opening (26).

5. The lettuce seed and harvesting integrated agricultural machine according to claim 1, wherein: The storage mechanism (4) includes a storage bin (41) and a guide plate (42), the storage bin (41) is arranged below the conveying belt (36), and the storage bin (41) is fixedly arranged on the car body (1), and the guide plate (42) is inclinedly arranged in the storage bin (41).

6. The lettuce seed and harvesting integrated agricultural machine according to claim 1, wherein: The cutting blade (32) is also provided with a protective cover (39) outside.

7. The lettuce seed and harvesting integrated machine according to claim 1, wherein: The car body (1) is also provided with a traveling wheel (11), a traveling motor (13) is fixedly arranged on the car body (1), and the power shaft of the traveling motor (13) is drivingly connected with the traveling wheel (11) through a belt (12).

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