A corn-harvesting and wheat-seeding combination

Abstract

The utility model belongs to the technical field of agricultural machinery and equipment, provide a kind of corn harvesting wheat sowing combined device, including frame, the front end of frame is provided with header, the top of frame is provided with peeling module and granary, peeling module is communicated with header, peeling module is used to make corn peeling and threshing, granary is used to store the corn kernel after peeling module threshing, the bottom of frame is also provided with still field module, still field module is used to carry out still field treatment to straw;Wheat rotary sowing module, wheat rotary sowing module is set in the rear of frame, and wheat rotary sowing module includes rotary tiller assembly and wheat seed metering device arranged in order from front to back.The utility model can complete corn harvesting, straw treatment and wheat sowing in single time, effectively shorten operation cycle.

Description

Technical Field

[0001] This utility model belongs to the field of agricultural machinery and equipment technology, and in particular relates to a combined device for corn harvesting and wheat sowing. Background Technology

[0002] In the core wheat-corn rotation producing areas of my country, the window of opportunity for connecting the two crops is extremely tight, typically only 3–5 days. Traditional farming methods employ a step-by-step approach, involving sequential crop harvesting, straw return to the field, land preparation, and sowing, a process that takes 5–7 days and often delays the sowing of subsequent crops. These delays lead to insufficient effective accumulated temperature for wheat before winter, significantly increasing the risk of yield reduction. Existing research indicates that for every day the sowing date is delayed, yield per acre may decrease by 2%–3%.

[0003] On the other hand, my country produces over 300 million tons of corn stalks annually, and the main methods of stalk disposal are still traditional burning or extensive returning to the field. This not only causes air pollution but also easily leads to the breeding and spread of pests and diseases. Although returning straw to the field is an important agricultural management measure, existing single-function agricultural machinery is unable to achieve high-quality, refined processing, resulting in a straw return rate that is generally below 85%, failing to meet agricultural environmental protection requirements.

[0004] Furthermore, long-term continuous rotary tillage has significantly shallowed the topsoil, with an average tillage depth of less than 15 cm, while forming a hard plow pan with a soil bulk density generally exceeding 1.5 g / cm³, severely weakening the topsoil's water retention capacity. To address this issue, my country has implemented conservation tillage policies, emphasizing reduced soil disturbance and advocating key technologies such as deep tillage (depth ≥ 25 cm) and no-till seeding. However, with the increasing aging of the rural workforce, traditional manual labor-intensive farming methods are costly and inefficient, making them unsuitable for the demands of modern agricultural production. Utility Model Content

[0005] The purpose of this invention is to provide a combined corn harvesting and wheat sowing device to solve the above-mentioned problems.

[0006] To achieve the above objectives, this utility model provides the following solution: a combined corn harvesting and wheat sowing device, comprising: The machine frame has a cutting platform at its front end, a peeling module and a grain bin at its top, the peeling module being connected to the cutting platform and used to peel and thresh corn, the grain bin being used to store corn kernels after threshing by the peeling module, and a straw-returning module at the bottom of the machine frame for returning straw to the field. A wheat rotary seeding module is located at the rear of the frame. The wheat rotary seeding module includes a rotary tiller assembly and a wheat seed metering device arranged sequentially from front to back.

[0007] Preferably, the frame is also provided with a straw bin, which is located at the rear of the peeling module. A fan assembly and a throwing cylinder are provided between the peeling module and the straw bin. The fan assembly is used to blow the straw peeled off in the peeling module into the straw bin through the throwing cylinder.

[0008] Preferably, the peeling module is provided with several peeling upper rollers, peeling spiral rollers and peeling fish scale rollers arranged from top to bottom, and the peeling upper rollers, peeling spiral rollers and peeling fish scale rollers are used for peeling and threshing corn.

[0009] Preferably, the peeling module is further provided with two parallel augers located below the peeling fish scale roller. A grain box opening is provided below the side wall of the peeling module, which is connected to the grain bin. The discharge ends of the two augers are connected to the grain box opening.

[0010] Preferably, the wheat rotary seeding module is further provided with a press wheel assembly, which is located behind the wheat seed metering device.

[0011] Preferably, the rear end of the frame is fixedly connected to the wheat rotary seeding module via a lifting mechanism. The lifting mechanism includes two sets of parallel upper connecting arms and two sets of parallel lower connecting arms. One end of each of the two upper connecting arms and one end of each of the two lower connecting arms are respectively hinged to the frame. The other end of each of the two lower connecting arms is hinged to the bottom of the lifting mechanism. One end of a pull rod is also hinged to the rear end of the frame. The other end of the pull rod is hinged to the top of the lifting mechanism. A lifting control component is provided between the upper connecting arms and the lower connecting arms.

[0012] Preferably, the lifting control component includes a connecting rod, one end of which is hinged to the end of the upper connecting arm away from the frame, and the other end of which is hinged to the middle of the lower connecting arm. A hydraulic rod is hinged between the upper connecting arm and the frame.

[0013] Preferably, the frame is provided with an elevator, the lower end of which is connected to the cutting table and the upper end of which is connected to the peeling module.

[0014] Compared with existing technologies, this utility model has the following advantages and technical effects: This utility model can complete corn harvesting, straw processing and wheat sowing in one operation, reducing the operation cycle from 5-7 days to 1 day, thus seizing the agricultural window and avoiding yield reduction due to sowing delays; at the same time, it can reduce the number of times agricultural machinery enters the field and the reliance on manual labor, thereby reducing overall costs and energy consumption, and facilitating large-scale operations; by returning all straw to the field and combining it with no-till deep loosening, it can help increase soil organic matter, improve water retention capacity, and reduce wind erosion and carbon emissions. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the combined device of this utility model; Figure 2 This is a side view of the combined device of this utility model; Figure 3 This is another schematic diagram of the combined device of this utility model; Figure 4 This is a schematic diagram of the lifting mechanism of this utility model; Figure 5 This is a schematic diagram of the peeling module of this utility model; The components include: 1. Frame; 2. Cutting table; 3. Elevator; 4. Peeling module; 5. Grain bin; 6. Feeding cylinder; 7. Hay bin; 8. Returning to field module; 9. Wheat rotary seeding module; 10. Lifting mechanism; 401. Peeling upper roller; 402. Peeling spiral roller; 405. Screw; 901. Rotary tiller assembly; 902. Wheat seed metering device; 903. Press wheel assembly; 101. Upper connecting arm; 102. Lower connecting arm; 103. Pull rod; 104. Connecting rod; 105. Hydraulic rod. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0019] Reference Figures 1-5 This utility model provides a combined corn harvesting and wheat planting device, comprising: The machine frame 1 has a header 2 at its front end and a peeling module 4 and a grain bin 5 at its top. The peeling module 4 is connected to the header 2 and is used to peel and thresh corn. The grain bin 5 is used to store corn kernels after they have been threshed by the peeling module 4. The bottom of the machine frame 1 also has a straw return module 8, which is used to return straw to the field. The wheat rotary seeding module 9 is located at the rear of the frame 1. The wheat rotary seeding module 9 includes a rotary tiller assembly 901 and a wheat seed metering device 902 arranged sequentially from front to back.

[0020] The main function of the header 2 is to harvest corn; the main function of the peeling module 4 is to peel and thresh the harvested corn; the main function of the grain bin 5 is to collect the threshed corn kernels; the main function of the returning-to-field module 8 is to return the straw to the field during the corn harvesting process; the main function of the rotary tiller assembly 901 is to rotary till the land; and the main function of the wheat seed metering device 902 is to sow wheat into the rotary-tilled soil. Overall, this utility model can complete corn harvesting, straw processing, and wheat sowing in a single operation, reducing the work cycle from 5-7 days to 1 day, thus seizing the agricultural window and avoiding yield reduction due to delayed sowing. At the same time, it can also reduce the number of times agricultural machinery enters the field and the reliance on manual labor, thereby reducing overall costs and significantly reducing energy consumption, which is conducive to large-scale operation. By returning all the straw to the field and combining it with no-till deep loosening, it can help increase soil organic matter, improve water retention capacity, and reduce wind erosion and carbon emissions.

[0021] To further optimize the design, a straw bin 7 is also installed on the frame 1. The straw bin 7 is located at the rear of the peeling module 4. A fan assembly and a throwing cylinder 6 are installed between the peeling module 4 and the straw bin 7. The fan assembly is used to blow the straw peeled off in the peeling module 4 into the straw bin 7 through the throwing cylinder 6.

[0022] like Figure 1 As shown, in this embodiment, the peeling module 4 and the grain bin 5 are arranged side by side at the front end of the top of the frame 1, and the hay bin 7 is arranged at the rear end of the top of the frame 1, forming a front-to-rear material diversion and storage structure.

[0023] In this embodiment, the blower assembly includes an axial blower located at the front end of the peeling module 4, which is connected to the throwing cylinder 6 via a guide duct to achieve directional throwing of straw to the hay bin 7. This is a common structure in the art, so its structure will not be described in detail here.

[0024] The scheme is further optimized. The peeling module 4 is equipped with several peeling upper rollers 401, peeling spiral rollers 402 and peeling fish scale rollers from top to bottom. The peeling upper rollers 401, peeling spiral rollers 402 and peeling fish scale rollers are used to peel and thresh corn.

[0025] To further optimize the design, the peeling module 4 is equipped with two parallel augers 405. The augers 405 are located below the peeling fish scale roller. The side wall of the peeling module 4 has a grain box opening, which is connected to the grain bin 5. The discharge ends of the two augers 405 are connected to the grain box opening.

[0026] In this embodiment, the removed corn kernels are conveyed by two augers 405 and enter the grain bin 5 through the kernel box opening.

[0027] To further optimize the design, the wheat rotary seeding module 9 is also equipped with a press wheel group 903, which is located behind the wheat seed metering device 902.

[0028] like Figure 3 As shown, in this embodiment, by setting up the compaction wheel assembly 903, the soil is compacted immediately after sowing, forming a continuous operation system of soil preparation-sowing-compacting in conjunction with the rotary tiller assembly 901 and the wheat seed metering device 902.

[0029] In a further optimized design, the rear end of the frame 1 is fixedly connected to the wheat rotary seeding module 9 via a lifting mechanism 10. The lifting mechanism 10 includes two sets of parallel upper connecting arms 101 and two sets of parallel lower connecting arms 102. One end of each of the two upper connecting arms 101 and one end of each of the two lower connecting arms 102 are respectively hinged to the frame 1. The other end of each of the two lower connecting arms 102 is hinged to the bottom of the lifting mechanism 10. One end of a pull rod 103 is also hinged to the rear end of the frame 1. The other end of the pull rod 103 is hinged to the top of the lifting mechanism 10. A lifting control component is provided between the upper connecting arms 101 and the lower connecting arms 102.

[0030] Further optimization of the scheme: the lifting control component includes a connecting rod 104, one end of which is hinged to the end of the upper connecting arm 101 away from the frame 1, and the other end of which is hinged to the middle of the lower connecting arm 102. A hydraulic rod 105 is hinged between the upper connecting arm 101 and the frame 1.

[0031] like Figures 2-4 As shown, when it is necessary to lower the height of the wheat rotary seeding module 9, the upper connecting arm 101 can be lowered by shortening the length of the hydraulic rod 105. This, in turn, drives the lower connecting arm 102 to lower via the connecting rod 104, and then, under the limiting action of the pull rod 103, lowers the height of the wheat rotary seeding module 9. Similarly, by controlling the extension of the hydraulic rod 105, the height of the wheat rotary seeding module 9 can be raised. The working depth of the wheat rotary seeding module 9 can be precisely controlled through the lifting mechanism 10.

[0032] Further optimization of the scheme: a lifter 3 is installed on the frame 1. The lower end of the lifter 3 is connected to the cutting table 2, and the upper end of the lifter 3 is connected to the peeling module 4.

[0033] In this embodiment, the elevator 3 adopts an adjustable tilt design, forming a flexible corn ear conveying system with the header 2 and the peeling module 4.

[0034] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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. Therefore, they should not be construed as limitations on this utility model.

[0035] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A combined corn harvesting and wheat planting device, characterized in that, include: A frame (1) is provided with a cutting platform (2) at the front end of the frame (1), and a peeling module (4) and a grain bin (5) are provided at the top of the frame (1). The peeling module (4) is connected to the cutting platform (2). The peeling module (4) is used to peel and thresh corn. The grain bin (5) is used to store corn kernels after threshing by the peeling module (4). A returning-to-field module (8) is also provided at the bottom of the frame (1). The returning-to-field module (8) is used to return straw to the field. Wheat rotary seeding module (9) is located at the rear of the frame (1). The wheat rotary seeding module (9) includes a rotary tiller assembly (901) and a wheat seed metering device (902) arranged sequentially from front to back.

2. The corn harvesting and wheat planting combined device according to claim 1, characterized in that: The frame (1) is also provided with a straw bin (7), which is located at the rear of the peeling module (4). A fan assembly and a throwing cylinder (6) are provided between the peeling module (4) and the straw bin (7). The fan assembly is used to blow the straw peeled off in the peeling module (4) into the straw bin (7) through the throwing cylinder (6).

3. The corn harvesting and wheat planting combined device according to claim 1, characterized in that: The peeling module (4) is provided with several peeling upper rollers (401), peeling spiral rollers (402) and peeling fish scale rollers from top to bottom. The peeling upper rollers (401), peeling spiral rollers (402) and peeling fish scale rollers are used to peel and thresh corn.

4. A corn harvesting and wheat planting combined device according to claim 3, characterized in that: The peeling module (4) is also equipped with two parallel augers (405). The augers (405) are located below the peeling fish scale roller. A grain box opening is opened on the lower side wall of the peeling module (4). The grain box opening is connected to the grain bin (5). The discharge ends of the two augers (405) are connected to the grain box opening.

5. A corn harvesting and wheat planting combined device according to claim 1, characterized in that: The wheat rotary seeding module (9) is also equipped with a press wheel assembly (903), which is located behind the wheat seed metering device (902).

6. A corn harvesting and wheat planting combined device according to claim 1, characterized in that: The rear end of the frame (1) is fixedly connected to the wheat rotary seeding module (9) via a lifting mechanism (10). The lifting mechanism (10) includes two sets of parallel upper connecting arms (101) and two sets of parallel lower connecting arms (102). One end of the two upper connecting arms (101) and one end of the two lower connecting arms (102) are respectively hinged to the frame (1). The other end of the two lower connecting arms (102) is hinged to the bottom of the lifting mechanism (10). One end of a pull rod (103) is also hinged to the rear end of the frame (1). The other end of the pull rod (103) is hinged to the top of the lifting mechanism (10). A lifting control component is provided between the upper connecting arms (101) and the lower connecting arms (102).

7. A corn harvesting and wheat planting combined device according to claim 6, characterized in that: The lifting control component includes a connecting rod (104), one end of which is hinged to the end of the upper connecting arm (101) away from the frame (1), and the other end of which is hinged to the middle of the lower connecting arm (102). A hydraulic rod (105) is hinged between the upper connecting arm (101) and the frame (1).

8. A corn harvesting and wheat planting combined device according to claim 6, characterized in that: The frame (1) is provided with a lifter (3), the lower end of which is connected to the cutting table (2), and the upper end of which is connected to the peeling module (4).

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