Device for driving ditching plowshare to move based on connecting rod mechanism

Abstract

The utility model discloses a device for driving a furrowing plowshare to move based on a connecting rod mechanism, which is suitable for furrowing operation of tuber crops and realizes adjustment of furrowing depth. The whole device is composed of a steering engine driving module, a connecting rod mechanism, a ditching plowshare mechanism and a sliding block guide rail mechanism. The steering engine drives the steering engine disc to rotate, the gear is fixed to the steering engine disc, the steering engine is controlled to rotate forwards and backwards by writing pulse signals to directly drive the connecting rod to move, and then the plowshare is indirectly controlled to move up and down. The device for driving the ditching plowshare to move based on the connecting rod mechanism is flexible and accurate in adjustment, the ditching depth can be adjusted according to different planted crops and different terrains and environments, and it is guaranteed that the mechanical property is high, transmission is large and the ditching effect is good during ditching.

Description

Technical Field

[0001] The utility model belongs to the technical field related to crop planting furrowing devices, and specifically relates to a device based on a connecting rod mechanism to drive the movement of a furrowing plowshare, which is used for furrowing on different terrains during the planting of tuber crops. Background Art

[0002] Because tuber crops like taro require specific soil moisture for growth and development, the trenching process must consider environmental factors such as trenching resistance and terrain variations. To ensure a smooth trenching process and create a suitable growing environment for tuber crops, a mechanism must be designed that can adapt trenching to different terrains and adjust the trenching depth automatically during the trenching process. Traditional trenching mechanisms are often limited to specific terrain structures and fail to account for trenching resistance, resulting in low trenching efficiency. Manual trenching also results in varying trenching depths. Utility Model Content

[0003] The purpose of the utility model is to provide a device based on a connecting rod mechanism to drive a furrowing plowshare to move up and down, so as to solve the problem of furrowing and digging soil during farming by agricultural machinery, and to be able to adjust the furrowing depth according to soil of different soil types.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a device for driving a furrowing plowshare based on a connecting rod mechanism, comprising a servo drive module, a connecting rod module, a slider module, and a furrowing plowshare module. The servo drive module and the connecting rod bracket are fixed between upper and lower base plates; the connecting rod is connected to a revolute pair via a fixed seat and is limited by a thrust ring; the furrowing plowshare consists of a baffle, a plowshare, and a bracket, which are connected by bolts; the bracket and the connecting rod are connected by a shaft system, and the connecting rod and the slider are connected by an L-shaped angle brace to ensure that the furrowing plowshare slides up and down on a vertical line; the slider guide rail is fixed between the upper and lower base plates via the angle brace.

[0005] Preferably, the servo is equipped with a steering wheel, which is also called a steering wheel. A gear is fixed on the steering wheel, which is transmitted to the driving shaft through meshing with the gear on the shaft. Instructions are written to control the rotation of the servo, and the plowshare moves up and down by rotating the motor forward and reverse.

[0006] Preferably, the connecting rod mechanism consists of three fixed supports and three connecting rods, which are symmetrically distributed as a whole, and the driving shaft rotates to drive the connecting rods to move.

[0007] Preferably, the furrowing plowshare part is composed of a bracket, a plowshare, and a baffle, and the bracket and the slider are fixed by an L-shaped angle brace. The bracket is provided with a hole, which is connected to the connecting rod and transmits power through the connecting rod.

[0008] Preferably, the plowshare has a triangular shape, with the tip inserted into the soil to break the soil, and two sides of the plowshare are designed to be curved surfaces to divert the soil in two directions.

[0009] Preferably, the baffles are symmetrically distributed at 120° to guide the soil to accumulate in two directions to avoid backfilling the planting trench. A gap is opened at the lower end of the baffle to reduce the diversion resistance and prevent excessive stress from causing damage to the baffle and jamming and slipping of the agricultural machinery.

[0010] Compared with the prior art, the present invention provides a device for driving the movement of a furrowing plowshare based on a connecting rod mechanism, which has the following beneficial effects:

[0011] 1. Different crops require different sowing depths, and different soil types produce different furrowing effects. Given this, the servo's forward and reverse rotation controls the up and down movement of the connecting rod slider, driving the furrowing plowshare up and down. This allows the plowshare to be adjusted to the appropriate position to achieve furrowing for different crops and soil types. Furthermore, the plowshare can be raised when the machine is not in use to minimize obstruction to ground movement.

[0012] 2. The plowshare's soil-breaking portion utilizes a triangular tip for groundbreaking, while the plowshare's curved back facilitates soil drainage and widens the furrow. The curved back design not only enhances mechanical performance but also minimizes the plowshare's mass and volume. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the examples of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0014] Figure 1 This is a side view of the structure of a device for driving a furrowing plowshare based on a connecting rod mechanism proposed in the present invention;

[0015] Figure 2 This is a schematic diagram of the structure of a device for driving the movement of a furrowing plowshare based on a connecting rod mechanism proposed in the present invention (with a hidden baffle);

[0016] Figure 3 This is a top view of the furrowing plowshare structure proposed in the utility model;

[0017] Figure 4 This is a side view of the connecting rod transmission structure proposed by the utility model.

[0018] In the figure: 1. Support; 2. Upper base; 3. Active shaft 1; 4. Connecting rod 1; 5. Shaft 2; 6. Connecting rod 2; 7. Lower base; 8. Plowshare; 9. Baffle; 10. Connecting rod 3; 11. Slider; 12. Linear guide; 13. L-shaped angle brace; 14. Bracket; 15. Shaft 3; 16. Shaft 5; 17. Shaft 4. DETAILED DESCRIPTION

[0019] The following is a clear and complete description of the technical solutions in the embodiments of the present invention, in conjunction with the accompanying drawings. It is obvious that the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, other embodiments obtained by ordinary technicians in this field without making creative efforts are all within the scope of protection of the present invention.

[0020] See also Figure 1 The utility model provides a technical solution: a device for driving a furrowing plowshare based on a connecting rod mechanism, comprising a connecting rod mechanism, a furrowing plowshare, upper and lower base plates, and a slider guide module. The servo drive module and the connecting rod bracket (1) are fixed between the upper and lower base plates (2, 7); the connecting rod is connected to the rotating pair through a fixed seat and is limited by a thrust ring; the furrowing plowshare is composed of a baffle (9), a plowshare (8), and a bracket (14), which are connected by bolts; the bracket (14) and the connecting rod three (10) are connected by a shaft system, and the connecting rod three (10) and the slider (11) are connected by an L-shaped angle brace to ensure that the furrowing plowshare slides up and down on a vertical line; the slider linear guide (12) is fixed between the upper and lower base plates through an angle brace (13).

[0021] In order to control the direction of the slider moving up and down, refer to Figure 4 The utility model adopts a servo drive mode, writes instructions to control the forward and reverse rotation of the servo, and makes the rotation of the driving shaft. Through the transmission of the connecting rod mechanism, the rotary motion of the servo can be converted into the up and down movement of the slider.

[0022] In order to achieve precise control of the up and down movement of the plowshare, the utility model relies on writing pulse signal instructions to the single chip microcomputer, and accurately controls the speed and direction of the servo through PWM to achieve control of the up and down movement direction and displacement of the plowshare.

[0023] In order to realize the trenching and soil turning work, refer to Figure 3 The plowshare structure shown. The plowshare (8) is designed with a triangular structure. The plow tip is sharp and can penetrate deep into the soil to achieve a soil-breaking effect. The plow back adopts a curved surface structure, which ensures that the soil is guided to both sides and widens the furrow width.

[0024] In order to prevent the soil from backfilling the planting ditch, a baffle (9) structure is adopted. The two baffles form a suitable angle between each other, guiding the soil to accumulate in the left and right directions, leaving a middle ditching area to ensure the ditching effect of the plowshare.

[0025] In order to achieve the effect of reducing trenching resistance, such as Figure 1As shown, the plowshare (8) and baffle (9) are designed. The plow bottom adopts an arc structure to reduce the excess contact surface between the plowshare and the soil and the plowshare mass, thereby reducing friction resistance. The optimized plowshare structure is sharper and can bear greater stress, achieving the effect of breaking the soil and turning the soil. The smooth curved surface structure of the plow back has excellent mechanical properties and can reduce the resistance to trenching. A notch is opened at the bottom of the baffle (9). When too much soil accumulates, part of the soil flows out from the notch, reducing the stress exerted by the soil on the baffle, making the agricultural machine move forward more smoothly.

[0026] The principle of use and working process of the present invention: The present invention adopts a steering gear drive mode, and controls the forward and reverse rotation of the steering gear by writing instructions. The steering gear is connected to the driving shaft (3). When the driving shaft (3) rotates, it will drive the connecting rod 1 (4) that is tightly connected to the driving shaft (3) to rotate. The connecting rod 1 (4) is connected to the connecting rod 2 (6) through the shaft 2 (5). The shaft 2 (5) slides relatively in the notch of the connecting rod 2 (6). The other end of the connecting rod 2 (6) is fixed to the lower base plate (7). Therefore, the connecting rod 2 (6) will rotate under the drive of the connecting rod 1 (4). Similarly, the connecting rod 2 (6) is connected to the connecting rod 3 (10) through the shaft 4 (17), so that the connecting rod 3 (10) rotates. The connecting rod 3 (10) is connected to the bracket (14) through the shaft 5 (16). The bracket (14) is fixed on the slider (11), thereby driving the slider (11) to move up and down, realizing the up and down movement of the furrowing plow.

[0027] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for driving a furrowing plowshare to move based on a connecting rod mechanism, mainly comprising a connecting rod mechanism, a plowshare (8), a baffle (9), a slider (11), and a linear guide rail (12); a steering wheel is mounted on the steering gear; a gear mounted on the steering wheel engages with a gear on a shaft to drive the shaft to rotate; a connecting rod 1 (4) cooperates with another connecting rod 2 (6) and a connecting rod 3 (10); the connecting rod rotates to drive the slider (11) to move up and down on the linear guide rail (12); the connecting rod is fixedly connected to a bracket through a shaft; the plowshare (8) and the bracket are mounted together with the baffle (9) through bolts.

2. The device for driving a furrowing plowshare based on a connecting rod mechanism according to claim 1, characterized in that The connecting rod mechanism consists of three connecting rods, wherein one end of two connecting rods is fixed between the upper and lower base plates and the other end is connected together through a shaft, and one end of a connecting rod is connected to the connecting rod and the other end is connected to the bracket through a shaft.

3. The device for driving a furrowing plowshare based on a connecting rod mechanism according to claim 1, characterized in that The steering gear is mounted on a steering wheel, and a gear is fixed on the steering wheel. The gear meshes with the gear on the shaft for transmission. The forward and reverse rotation of the steering gear realizes the forward and reverse rotation of the shaft, thereby driving the direction of rotation of the connecting rod. By programming pulse coding instructions, the rotation angle of the steering gear is controlled, and the displacement of the slider (11) sliding on the linear guide rail (12) is indirectly controlled.

4. The device for driving a furrowing plowshare based on a connecting rod mechanism according to claim 1, characterized in that The plowshare (8) is designed as a triangular structure, the plowshare backs on both sides are designed as curved surfaces, and the bottom of the plowshare is an arc-shaped structure. The optimized plowshare structure is sharper and can bear greater stress, thereby achieving the effect of breaking and turning the soil.

5. The device for driving a furrowing plowshare based on a connecting rod mechanism according to claim 1, characterized in that The curved surface structure of the plowshare (8) and the baffle (9) are symmetrically distributed at 120 degrees, guiding the soil to be turned in two directions, widening the width of the plowshare furrow, and preventing the soil from backfilling the planting furrow.

6. The device for driving a furrowing plowshare based on a connecting rod mechanism according to claim 1, characterized in that The baffle (9) has a notch at its bottom. When too much soil is accumulated, part of the soil flows out from the notch, reducing the stress exerted by the soil on the baffle, thereby allowing the agricultural machine to move forward more smoothly.

Images