WO2022040840A1

WO2022040840A1 - Tiller

Info

Publication number: WO2022040840A1
Application number: PCT/CN2020/110702
Authority: WO
Inventors: 万青松
Original assignee: 高邮市北方动力机械有限公司
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2022-03-03

Abstract

A tiller, comprising a main body frame (1), tiller blades (4), a power unit (3), an outer splash guard (2) and traveling wheels (5), and further comprising a main handlebar (6), which is mounted on the main body frame, and a built-in seat (8), a sliding seat (12), a controller (18) and an inner splash guard (13), wherein the built-in seat (8) is provided with a linear driving mechanism for driving the sliding seat (12) to slide along an inclined face of the inner splash guard (13); a material receiving port (12b) is provided at the highest end of a seed sowing hole (12a); when the sliding seat (12) is located at the highest position, the material receiving port (12b) faces the position of a seed discharging through port (8b) exactly and is in communication with the seed discharging through port (8b); when the sliding seat (12) is located at the lowest position, the seed discharging through port (8b) is completely blocked; and the lowest end of the seed sowing hole (12a) is close to the ground when the sliding seat (12) is located at the lowest position. The tiller can be used for sowing seeds at the same time as tilling, so that the efficiency is improved.

Description

a micro tiller

technical field

The invention relates to the technical field of agricultural machinery, in particular to a micro tiller.

Background technique

At present, micro-tillers are widely used, and their miniaturized structure is very suitable for rural users in China. It includes a main body frame, a cultivating blade rotatably mounted on the main body frame, a power unit arranged on the main body frame and used to drive the cultivating blade to perform cultivating action, and a The outer fender for blocking the mud splashed out when the tiller rotates, also includes a pair of traveling wheels mounted on the main body frame, and also includes a main handrail mounted on the main body frame.

However, at present, the function of the tiller is relatively simple, and it needs to be planted after the tillage is completed, and the efficiency is low.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a micro-tiller, which can sow while plowing, and the efficiency is improved.

The object of the present invention is achieved as follows: a micro tiller includes a main body frame, a tiller rotatably mounted on the main body frame, and a tiller mounted on the main body frame for driving the tiller to perform tillage action The power unit also includes an outer fender installed on the rear side of the main frame, a pair of walking wheels installed on the main frame, a main handrail installed on the main frame, and a built-in seat, sliding seat, controller, inner fender;

The built-in seat is installed on the inner side of the outer fender, the inner fender is located in the inner cavity of the outer fender and is connected with the main body frame, and the built-in seat is located between the outer fender and the inner fender , the inner fender is inclined and matched with the outer fender, the lowest end of the inner fender is close to the ground, and the sliding seat is slidably mounted on the inner fender and is located on the outer fender between the inner fender and the inner fender, one side of the inner fender faces the tiller and can block the mud splashed out when the tiller rotates;

The main handrail is provided with a seed feeding channel that runs through the entire main handrail along its axial direction and is used for inputting seeds. A storage cavity for temporarily storing seeds, the lower end of the storage cavity is provided with a seed outlet, and the sliding seat is provided with a sowing hole extending through it and extending obliquely and capable of accommodating the seeds to slide;

The built-in seat is provided with a linear drive mechanism controlled by the controller for driving the sliding seat to slide along the inclined surface of the inner fender. The highest end of the seeding hole is provided with a material receiving port, and the material receiving port is slidable. When the seat is in the highest position, it just faces the position of the seed outlet and communicates with the seed outlet, the sliding seat completely blocks the seed outlet when it is in the lowest position, and the lowest end of the seeding hole is when the sliding seat is in the lowest position. close to the ground;

A lower limit block is arranged on the inner lower edge of the outer fender, and a lower limit sensor is arranged on the lower limit block. When the sliding seat is in the lowest position, it corresponds to the sensing end position of the lower limit sensor and is limited by the lower limit. The sensor senses; an upper limit block is arranged on the edge of the inner fender, an upper limit sensor is arranged on the upper limit block, and the sliding seat is facing the sensing end of the upper limit sensor when it is in the highest position The position is sensed by the upper limit sensor, and the upper limit sensor and the lower limit sensor are both connected to the controller;

A handle rod is inserted into the upper end of the main handrail, and the controller is installed on the handle rod.

Compared with the prior art, the present invention has the beneficial effects of: cultivating while cultivating while sowing, the efficiency is improved; wherein, the inner fender can not only serve as the sliding base of the sliding seat, but also prevent the cultivating blade from rotating. splashed mud, so as not to interfere with the sliding of the sliding seat and the sowing operation; when farming, put the seeds into the seeding channel of the main handrail, and the seeds will fall into the storage cavity of the built-in seat. At this time, under the control of the controller, The linear drive mechanism drives the sliding seat to reciprocate sliding on the inner fender. When the sliding seat is in the highest position, it faces the sensing end position of the upper limit sensor and is sensed by the upper limit sensor. The seed opening allows the seeds in the storage cavity to fall into the seeding hole due to its own weight, and move down with the sliding seat until the sliding seat is at the lowest position. The lowest end of the machine falls to the ground to complete the planting; the sliding seat can slide back and forth under the driving of the linear drive mechanism for receiving and sowing. Since the controller is installed on the handle rod, it is easy to control the linear drive mechanism, and the operation is very convenient.

As a further improvement of the present invention, an air pump is installed on the outer side of the outer fender, and an air outlet hose is connected to the air outlet cavity of the air pump, and the air outlet hose passes through the outer fender and the air outlet hose is The air outlet end communicates with the highest end of the seeding hole, and the air outlet end of the air outlet hose is located higher than the material receiving port. If you find that the seed is blocking the seeding hole or is not conveying well, you can use a pump to pump the seeding hole so that the seed can be blown to the ground.

As a further improvement of the present invention, a blocking cover for blocking the upper end of the seed feeding channel is detachably installed on the upper end of the main handrail. Prevent dust from entering the seed channel.

As a further improvement of the present invention, the above-mentioned linear drive mechanism includes a displacement motor controlled by the controller and installed in the built-in seat, and also includes a displacement motor that is rotatably installed in the built-in seat and cooperates with the output spindle of the displacement motor. A gear, the sliding seat is provided with a rack meshing with the gear, the length direction of which is matched with the sliding direction of the sliding seat.

Description of drawings

FIG. 1 is a state diagram of a lead seed of the present invention.

Fig. 2 is a state diagram of the seeding of the present invention.

FIG. 3 is an enlarged view of part A in FIG. 1 .

FIG. 4 is an enlarged view of part B in FIG. 2 .

FIG. 5 is an enlarged view of part C in FIG. 2 .

Among them, 1 main frame, 2 outer fenders, 3 power units, 4 tillers, 5 traveling wheels, 6 main handrails, 6a seed feed channel, 7 handle bars, 8 built-in seats, 8a storage cavity, 8b seed feed port, 9 displacement motor, 10 gear, 11 rack, 12 sliding seat, 12a seeding hole, 12b material receiving port, 13 inner fender, 14 upper limit block, 15 upper limit sensor, 16 lower limit block, 17 lower limit sensor, 18 controller, 19 pump, 20 outlet hose, 21 seeds.

detailed description

As shown in Figures 1-5, a tiller includes a main body frame 1, a tiller 4 rotatably mounted on the main body frame 1, and a tiller 4 arranged on the main body frame 1 for driving the tiller 4. The power unit 3 for plowing action further includes an outer fender 2 mounted on the rear side of the main body frame 1, also includes a pair of traveling wheels 5 mounted on the main body frame 1, and also includes a main The handrail 6 also includes a built-in seat 8 , a sliding seat 12 , a controller 18 , and an inner fender 13 .

The built-in seat 8 is installed on the inner side of the outer fender 2, the inner fender 13 is located in the inner cavity of the outer fender 2 and is connected with the main frame 1, and the built-in seat 8 is located in the outer fender 2 and the inner fender. Between the plates 13, the inner fender 13 is inclined and matched with the outer fender 2, the lowest end of the inner fender 13 is close to the ground, and the sliding seat 12 is slidably mounted on the inner fender 13 and is located outside Between the fender 2 and the inner fender 13 , the inner fender 13 faces the tiller 4 and can shield the mud splashed when the tiller 4 rotates.

The above-mentioned main handrail 6 is provided with a seed feeding channel 6a that runs through the entire main handrail 6 along its axial direction and is used for inputting seeds 21, and the built-in seat 8 is provided with a discharge end that communicates with the feeding channel 6a. There is a storage cavity 8a for temporarily storing seeds 21. The lower end of the storage cavity 8a is provided with a seed outlet 8b, and the sliding seat 12 is provided with a sowing hole 12a extending through it and extending obliquely and accommodating the seeds 21 to slide.

The built-in seat 8 is provided with a linear drive mechanism controlled by the controller 18 for driving the sliding seat 12 to slide along the inclined surface of the inner fender 13. The highest end of the seeding hole 12a is provided with a material receiving port 12b. When the sliding seat 12 is at the highest position, it just faces the position of the seed outlet opening 8b and communicates with the seed outlet opening 8b. When the sliding seat 12 is at the lowest position, it completely blocks the seed outlet opening 8b, and the lowest end of the seeding hole 12a is at When the sliding seat 12 is in the lowest position, it is close to the ground.

A lower limit block 16 is provided on the inner lower edge of the outer fender 2, and a lower limit sensor 17 is arranged on the lower limit block 16. When the sliding seat 12 is in the lowest position, it corresponds to the sensing end position of the lower limit sensor 17 and is limited by the lower limit. The position sensor 17 senses; the upper edge of the inner fender 13 is provided with an upper limit block 14, the upper limit block 14 is provided with an upper limit sensor 15, and the sliding seat 12 is facing the upper limit sensor 15 when it is in the highest position. The position of the sensing end is sensed by the upper limit sensor 15 , and the upper limit sensor 15 and the lower limit sensor 17 are both connected to the controller 18 .

A handle rod 7 is inserted into the upper end of the main handrail 6 , and the controller 18 is mounted on the handle rod 7 .

Among them, the inner fender 13 can not only serve as the sliding base of the sliding seat 12, but also block the mud splashed when the tiller 4 rotates, so as not to interfere with the sliding of the sliding seat 12 and the sowing operation; during tilling, the seeds 21 are put into the main handrail In the seed feeding channel 6a of the rod 6, the seeds 21 fall into the storage cavity 8a of the built-in seat 8. At this time, under the control of the controller 18, the linear drive mechanism drives the sliding seat 12 to reciprocate on the inner fender 13. Sliding, when the sliding seat 12 is at the highest position, it faces the sensing end position of the upper limit sensor 15 and is sensed by the upper limit sensor 15. At this time, the material receiving port 12b is connected to the seed outlet 8b, so that the storage cavity 8a The seeds 21 can fall into the seeding hole 12a due to their own weight, and move downward with the sliding seat 12 until the sliding seat 12 is at the lowest position. At this time, the sliding seat 12 is sensed by the lower limit sensor 17, and the seeds 21 are released from the seeding hole 12a. The lowest end falls to the ground, completing the planting.

An air pump 19 is installed on the outside of the above outer fender 2, and the air outlet cavity of the air pump 19 is connected with an air outlet hose 20. The highest end is connected, and the air outlet end of the air outlet hose 20 is located higher than the material receiving port 12b. If it is found that the seeds 21 block the sowing hole 12a or are not conveyed smoothly, the pump 19 can be used to pump air into the sowing hole 12a so as to blow the seeds 21 to the ground.

A blocking cover 6b for blocking the upper end of the seed feeding channel 6a is detachably installed on the upper end of the above-mentioned main handrail 6 .

The above-mentioned linear drive mechanism includes a displacement motor 9 controlled by the controller 18 and installed in the built-in seat 8, and also includes a gear 10 that is rotatably installed in the built-in seat 8 and is matched with the output spindle of the displacement motor 9. , the sliding seat 12 is provided with a rack 11 meshing with the gear 10 , the length direction of which is matched with the sliding direction of the sliding seat 12 .

The present invention is not limited to the above-mentioned embodiments. On the basis of the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some of the technical features according to the disclosed technical contents without creative work. Modifications, replacements and modifications are all within the protection scope of the present invention.

Claims

A tiller, comprising a main body frame (1), a tiller (4) rotatably mounted on the main body frame (1), and a tiller (4) arranged on the main body frame (1) for driving the tiller (4) A power unit (3) for cultivating, further comprising an outer fender (2) mounted on the rear side of the main body frame (1), and a pair of traveling wheels (5) mounted on the main body frame (1) ), and also includes a main handrail (6) installed on the main frame (1), characterized in that it also includes a built-in seat (8), a sliding seat (12), a controller (18), an inner fender ( 13);

The built-in seat (8) is installed on the inner side of the outer fender (2), and the inner fender (13) is located in the inner cavity of the outer fender (2) and is connected with the main body frame (1), so The built-in seat (8) is located between the outer fender (2) and the inner fender (13), and the inner fender (13) is inclined and matched with the outer fender (2), so The lowest end of the inner fender (13) is close to the ground, and the sliding seat (12) is slidably mounted on the inner fender (13) and is located between the outer fender (2) and the inner fender (13) In between, the inner fender (13) faces the tiller (4) on one side and can block the soil splashed out when the tiller (4) rotates;

The main handrail (6) is provided with a seed feeding channel (6a) that penetrates the entire main handrail (6) along its axial direction and is used to put in seeds (21). There is a storage cavity (8a) which is communicated with the discharge end of the seed feeding channel (6a) and can temporarily store the seeds (21). The sliding seat (12) is provided with a sowing hole (12a) extending through it and extending obliquely and capable of accommodating the seeds (21) to slide;

The built-in seat (8) is provided with a linear drive mechanism controlled by the controller (18) for driving the sliding seat (12) to slide along the inclined surface of the inner fender (13). The seeding hole (12a) The highest end is provided with a material receiving port (12b), and the material receiving port (12b) is exactly opposite to the seed outlet port (8b) when the sliding seat (12) is in the highest position and communicates with the seed outlet port (8b) , the sliding seat (12) completely blocks the seed outlet (8b) when it is in the lowest position, and the lowest end of the seeding hole (12a) is close to the ground when the sliding seat (12) is in the lowest position;

A lower limit block (16) is arranged on the inner lower edge of the outer fender (2), a lower limit sensor (17) is arranged on the lower limit block (16), and the sliding seat (12) is in the lowest position. The position corresponds to the sensing end position of the lower limit sensor (17) and is sensed by the lower limit sensor (17); the upper edge of the inner fender (13) is provided with an upper limit block (14), the upper limit The block (14) is provided with an upper limit sensor (15), and the sliding seat (12) faces the sensing end position of the upper limit sensor (15) when in the highest position and is sensed by the upper limit sensor (15) At this point, the upper limit sensor (15) and the lower limit sensor (17) are both connected to the controller (18);

A handle rod (7) is inserted into the upper end of the main handrail (6), and the controller (18) is mounted on the handle rod (7).
A micro-tiller according to claim 1, characterized in that: an air pump (19) is installed on the outer side of the outer fender (2), and an air outlet hose is communicated with an air outlet cavity of the air pump (19). (20), the air outlet hose (20) passes through the outer fender (2) and the air outlet end of the air outlet hose (20) is communicated with the highest end of the seeding hole (12a), the air outlet hose (20) The position of the gas outlet of (20) is higher than that of the material receiving port (12b).
The tiller according to claim 1, characterized in that: a blocking cover (6b) for blocking the upper end of the seed feeding channel (6a) is detachably installed on the upper end of the main handrail (6).
A micro tiller according to claim 1, characterized in that: the linear drive mechanism comprises a displacement motor (9) controlled by the controller (18) and installed in the built-in seat (8), and further comprises a displacement motor (9) controlled by the controller (18). A gear (10) rotatably installed in the built-in seat (8), which is matched with the output main shaft of the displacement motor (9), is mounted on the sliding seat (12) with a length of the gear (10). A rack (11) whose direction is adapted to the sliding direction of the sliding seat (12).