Rapid sowing and seed metering device

Abstract

The utility model relates to the technical field of seeding equipment, in particular to a quick seeding and seeding device which comprises seeding teeth, the upper ends of the seeding teeth are fixed with the lower end of a seeding pipe, a seeding mechanism is fixed at the upper end of the seeding pipe, and a material containing box is fixed at the upper end of the seeding mechanism; the seeding mechanism comprises a shell, the upper end and the lower end of the shell are respectively provided with a feed port and a discharge port which are communicated with the interior of the shell, a dial wheel is arranged in the shell, the axis of the dial wheel is fixedly connected with a rotating shaft, two ends of the rotating shaft are rotatably connected with the side wall of the shell, and one end of the rotating shaft penetrates through the side wall of the shell and is fixedly connected with an output shaft of a motor; an anti-blocking sensor is mounted on the side wall of the seed metering pipe, the anti-blocking sensor and the motor are both electrically connected with a PLC (Programmable Logic Controller), and the PLC is also electrically connected with a wheel speed sensor; the PLC dynamically adjusts the rotating speed of the motor according to a vehicle speed signal detected by the wheel speed sensor, so that the rotating speed of the shifting wheel is adjusted, and no matter how the vehicle speed changes, it is ensured that the number of seeds falling into soil is constant all the time.

Description

Technical Field

[0001] This utility model relates to the field of seeding equipment technology, specifically a rapid seed metering device. Background Technology

[0002] Seeding equipment is a mechanical device used in agricultural production to sow seeds into the soil according to certain requirements. Its core function is to achieve precise seed positioning, quantitative seed delivery, and soil covering, which has a key impact on the germination rate, uniformity of growth, and final yield of crops.

[0003] However, current planting equipment is generally connected to a traction device at the rear of a tractor, and the tractor's movement propels the equipment forward for planting. For example, CN206517784U discloses a multi-row peanut planter, which includes at least two independent peanut planters. Each peanut planter includes a frame, a planting device mounted on the frame, a ridging device mounted at the front bottom of the frame, and a drive wheel mounted at the rear end of the frame. The peanut planters are fixed side by side on a fixed frame, which is connected to a traction frame. The traction frame has a connector that is fixed to the traction device. The axle of the drive wheel is mounted in a rectangular wheel frame, and the front ends of both sides of the wheel frame are hinged to the frame.

[0004] The sowing principle of the aforementioned multi-row peanut planter is the same as that of most current sowing equipment. Specifically, the tow frame is connected to the rear of the tractor. The tractor's movement drives the planter's drive wheel to rotate, and the rotating drive wheel, in turn, drives the seeding device's pick wheel via a chain or belt, causing the seeds to fall into the soil. However, the aforementioned planter has the following problems in actual use: In agricultural sowing operations, uneven ground and differences in the driver's control of the tractor's throttle can lead to unstable tractor speed. The amount of seeds falling from the towed planter is directly related to the tractor's speed; unstable tractor speed leads to uneven sowing, therefore this problem urgently needs to be solved. Utility Model Content

[0005] This invention provides a rapid seed metering device to address the following problems mentioned in the background art: In agricultural seeding operations, uneven ground and differences in the driver's control of the tractor throttle can lead to unstable tractor speed. The amount of seeds falling from a tractor-driven seeder is directly related to the tractor's speed, and unstable tractor speed results in uneven seeding.

[0006] To address the existing problems, this utility model provides a rapid seeding device, including seeding teeth, the upper end of which is fixedly connected to the lower end of a seeding tube, a seeding mechanism fixedly connected to the upper end of the seeding tube, and a material holding box fixedly connected to the upper end of the seeding mechanism.

[0007] The sowing mechanism includes a housing, with an inlet and an outlet communicating with the interior of the housing at its upper and lower ends, respectively. Inside the housing, there is a dial wheel, and a rotating shaft is fixedly connected to the axis of the dial wheel. The two ends of the rotating shaft are rotatably connected to the side wall of the housing, and one end of the rotating shaft passes through the side wall of the housing and is fixedly connected to the output shaft of the motor.

[0008] An anti-clogging material sensor is installed on the side wall of the seeding pipe. The anti-clogging material sensor and the motor are both electrically connected to the PLC controller. The PLC controller is also electrically connected to a wheel speed sensor.

[0009] The PLC controller dynamically adjusts the motor speed based on the vehicle speed signal detected by the wheel speed sensor, so as to keep the seeding rate per unit area constant.

[0010] Furthermore, the feed inlet is fixedly connected to the lower end of the material container, and the lower end of the discharge outlet is fixedly connected to the upper end of the seed discharging pipe.

[0011] Furthermore, the PLC controller is installed in the tractor cab, and the PLC controller is electrically connected to an alarm module.

[0012] Furthermore, the wheel speed sensor is mounted on the hub of the non-drive wheel of the tractor to detect the actual rotational speed of the non-drive wheel of the tractor.

[0013] Furthermore, the motor, anti-clogging material sensor, PLC controller, and wheel speed sensor are connected to the tractor battery via a DC voltage regulator module.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] 1. This utility model, by setting up a PLC controller, wheel speed sensor, motor, and dial wheel, etc., allows the wheel speed sensor installed on the hub of the non-drive wheel to monitor the wheel speed in real time during sowing and transmit the speed signal to the PLC controller. The PLC controller calculates the required seed falling rate based on the real-time vehicle speed and the preset sowing amount per unit area, dynamically adjusts the motor speed, and then the motor adjusts the dial wheel speed. Regardless of changes in vehicle speed, it ensures that the number of seeds falling into the soil remains constant, overcoming the shortcomings of the prior art.

[0016] 2. This utility model incorporates an anti-blocking material sensor. When the seeding pipe becomes blocked, the anti-blocking material sensor detects that no seeds are passing through the seeding pipe and immediately sends a signal to the PLC controller. The PLC controller will then immediately cut off the motor power and issue an alarm via the voice module to remind the driver to handle the blockage promptly. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the sowing mechanism of this utility model. Figure 1 ;

[0019] Figure 3 This is a schematic diagram of the sowing mechanism of this utility model. Figure 2 ;

[0020] Figure 4 This is a schematic diagram of the internal structure of the seeding mechanism of this utility model after the casing has been cut open.

[0021] Figure 5 This is a flowchart illustrating the control process of the PLC controller for the alarm module, wheel speed sensor, anti-blocking material sensor, and motor.

[0022] In the diagram: 1. Seeding teeth; 2. Seeding pipe; 3. Seeding mechanism; 301. Machine casing; 302. Feed inlet; 303. Discharge outlet; 304. Dial wheel; 305. Rotating shaft; 306. Motor; 4. Material collection box; 5. Anti-blocking sensor; 6. PLC controller; 7. Wheel speed sensor; 8. Alarm module. Detailed Implementation

[0023] 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.

[0024] Please see Figure 1-5 A rapid seed metering device includes seed teeth 1, the upper end of the seed teeth 1 is fixedly connected to the lower end of the seed metering tube 2, the upper end of the seed metering tube 2 is fixedly connected to a seeding mechanism 3, and the upper end of the seeding mechanism 3 is fixedly connected to a material holding box 4.

[0025] The seeding mechanism 3 includes a housing 301. The upper and lower ends of the housing 301 are respectively provided with a feed inlet 302 and a discharge outlet 303 communicating with the interior. The housing 301 is provided with a dial wheel 304. A rotating shaft 305 is fixedly connected to the axis of the dial wheel 304. Both ends of the rotating shaft 305 are rotatably connected to the side wall of the housing 301. One end of the rotating shaft 305 passes through the side wall of the housing 301 and is fixedly connected to the output shaft of the motor 306.

[0026] An anti-blocking material sensor 5 is installed on the side wall of the seeding pipe 2. The anti-blocking material sensor 5 and the motor 306 are both electrically connected to the PLC controller 6. The PLC controller 6 is also electrically connected to the wheel speed sensor 7.

[0027] The PLC controller 6 dynamically adjusts the speed of the motor 306 based on the vehicle speed signal detected by the wheel speed sensor 7, so as to keep the seeding rate per unit area constant.

[0028] The feed inlet 302 is fixedly connected to the lower end of the feeding box 4, and the lower end of the discharge outlet 303 is fixedly connected to the upper end of the seed discharging pipe 2.

[0029] The PLC controller 6 is installed in the tractor cab, and the PLC controller is electrically connected to the alarm module 8.

[0030] Among them, the wheel speed sensor 7 is installed on the hub of the non-drive wheel of the tractor and is used to detect the actual rotation speed of the non-drive wheel of the tractor.

[0031] Among them, the motor 306, the anti-blocking material sensor 5, the PLC controller 6, and the wheel speed sensor 7 are connected to the tractor battery through a DC voltage regulator module.

[0032] Working Principle: This rapid seed metering device is mounted on the seeder frame and then connected to the seeder frame via a tractor traction device at the rear of the tractor. During operation, seeds are stored in the feed bin 4. The tractor pulls the seeder, and due to uneven ground and differences in the driver's control of the tractor throttle, the tractor's speed will dynamically change. At this time, wheel speed sensors 7 mounted on the hubs of the non-drive wheels monitor the wheel speed in real time and transmit the speed signal to the PLC controller 6. The PLC controller 6 calculates the required seed drop rate based on the real-time vehicle speed and the preset seeding rate per unit area, dynamically adjusts the motor speed, and then the motor 306 adjusts the speed of the dial 304, ensuring that the number of seeds falling into the soil remains constant regardless of changes in vehicle speed.

[0033] Secondly, when seeds become blocked in the seed discharging pipe 2, the anti-blocking material sensor 5 detects that no seeds are passing through the seed discharging pipe 2 and immediately sends a signal to the PLC controller 6. The PLC controller 6 cuts off the power to the motor 306, forcibly stopping the seed discharging, and at the same time triggers the alarm module 8 in the cab, reminding the driver to deal with the blockage in time through an alarm voice.

[0034] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A rapid seed metering device, comprising seeding teeth (1), the upper end of which is fixedly connected to the lower end of a seed metering tube (2), characterized in that: The seeding pipe (2) is fixedly connected to a seeding mechanism (3), and the seeding mechanism (3) is fixedly connected to a material holding box (4). The seeding mechanism (3) includes a housing (301), with an inlet (302) and an outlet (303) communicating with the inside of the housing (301) at the upper and lower ends, respectively. A dial wheel (304) is provided inside the housing (301), and a rotating shaft (305) is fixedly connected to the axis of the dial wheel (304). Both ends of the rotating shaft (305) are rotatably connected to the side wall of the housing (301), and one end of the rotating shaft (305) passes through the side wall of the housing (301) and is fixedly connected to the output shaft of the motor (306). An anti-blocking material sensor (5) is installed on the side wall of the seeding pipe (2). The anti-blocking material sensor (5) and the motor (306) are both electrically connected to the PLC controller (6). The PLC controller (6) is also electrically connected to a wheel speed sensor (7). The PLC controller (6) dynamically adjusts the speed of the motor (306) based on the vehicle speed signal detected by the wheel speed sensor (7) to keep the seeding rate per unit area constant.

2. The rapid seeding and metering device according to claim 1, characterized in that: The feed inlet (302) is fixedly connected to the lower end of the feeding box (4), and the lower end of the discharge port (303) is fixedly connected to the upper end of the seeding pipe (2).

3. The rapid seed metering device according to claim 1, characterized in that: The PLC controller (6) is installed in the tractor cab and is electrically connected to an alarm module (8).

4. The rapid seed metering device according to claim 1, characterized in that: The wheel speed sensor (7) is installed on the hub of the non-drive wheel of the tractor and is used to detect the actual rotation speed of the non-drive wheel of the tractor.

5. A rapid seed metering device according to claim 1, characterized in that: The motor (306), anti-blocking material sensor (5), PLC controller (6), and wheel speed sensor (7) are connected to the tractor battery through a DC voltage regulator module.

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