CN210247484U

CN210247484U - Small-sized manpower cultivator

Info

Publication number: CN210247484U
Application number: CN201921096461.8U
Authority: CN
Inventors: 雷涵麟
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-15
Filing date: 2019-07-15
Publication date: 2020-04-07
Anticipated expiration: 2029-07-15

Abstract

A small-sized manpower cultivator comprises a hand-push frame, a soil covering wheel and a seeding mechanism; the seeding mechanism comprises a shell, a ditching wheel and a seed sowing mechanism; the ditching wheel is connected to the inside of the shell through a shaft, and the circumference of the ditching wheel is provided with a soil digging spoon; a driving gear and a driven gear are fixed on one side of the ditching wheel, the driving gear and the ditching wheel are coaxially connected together, and a cam is fixed on the driven gear; the seed sowing mechanism comprises a fixed seed sowing plate and a movable seed sowing plate; the fixed-row seed plates are longitudinally fixed on the shell; the movable seed sowing plate is connected with the shell through a spring, the bottom of the movable seed sowing plate is abutted against the bottom of the fixed seed sowing plate, and meanwhile, the top of the movable seed sowing plate is separated from the top of the fixed seed sowing plate; a top rod is arranged between the cam and the movable seed metering plate, one end of the top rod is fixed at the bottom end of the movable seed metering plate, and the other end of the top rod is connected to the cam in a sliding manner. The utility model has the advantages of simple and reasonable structure, manufacturing cost is lower. The device is suitable for small-sized fields or mountainous regions, is convenient to operate, reduces the labor intensity of workers, and improves the production efficiency.

Description

Small-sized manpower cultivator

Technical Field

The utility model belongs to the technical field of agricultural planting machinery and specifically relates to a small-size manpower machine of ploughing.

Background

In the agricultural cultivation process, seeding is one of the most critical links in agricultural production. The performance of the farming equipment directly affects the quality and yield of the seed. In the existing cultivation equipment, the faults of blocking of a seed sowing pipe, blocking of a furrow opener by soil blocks and the like often cause large-area missed seeding, the planting quality and efficiency are influenced, and the serious loss of agricultural production is caused. In addition, because the existing cultivation equipment generally has the characteristic of large volume, the manufacturing cost of the equipment is higher, and the equipment cannot be used for small farmlands at all. Therefore, it is important to develop a small and fully functional cultivating machine.

Disclosure of Invention

The utility model aims at providing a simple structure, can realize ditching, seed metering, earthing and firming process, with low costs, be applicable to small-size field or mountain region and high-efficient laborsaving small-size manpower machine of ploughing.

The utility model provides a technical scheme that prior art problem adopted: a small-sized manpower cultivator comprises a hand push frame, soil covering wheels fixed below the hand push frame and a seeding mechanism arranged at the front end of the hand push frame; the seeding mechanism comprises a shell, a ditching wheel and a seed discharging mechanism which are arranged in the shell; the ditching wheel is connected to the inside of the shell through a shaft, the axis of the ditching wheel is parallel to the axis of the soil covering wheel, and a soil scooper is arranged on the circumference of the ditching wheel; a gear set is fixed on one side of the ditching wheel, the gear set comprises a driving gear and a driven gear which are meshed with each other, the driving gear and the ditching wheel are coaxially connected together, and a cam is fixed on the driven gear; the seed sowing mechanism is positioned at the rear of the ditching wheel and comprises a fixed seed sowing plate and a movable seed sowing plate; the fixed row of plates are longitudinally fixed on the inner wall of the shell; the movable seed discharging plate is fixedly connected with the shell through a spring, the bottom of the movable seed discharging plate is abutted against the bottom of the fixed seed discharging plate, and the top of the movable seed discharging plate is separated from the top of the fixed seed discharging plate to form a V-shaped seed cavity; a seed inlet is arranged on the shell above the V-shaped seed cavity; and a push rod is arranged between the cam and the movable seed metering plate, one end of the push rod is fixed at the bottom end of the movable seed metering plate, the other end of the push rod is connected to the wheel surface of the cam in a sliding manner, and when the push rod slides to the highest point of the cam, the bottom end of the movable seed metering plate is separated from the bottom end of the fixed seed metering plate.

The fixed seed sowing plate is arranged at the front end of the movable seed sowing plate, the outer wall of the movable seed sowing plate is fixedly connected with one end of a spring, and the other end of the spring is fixed on the rear end face of the shell; the ejector rod penetrates through the fixed seed discharging plate and is fixedly connected with the movable seed discharging plate.

The soil scoops are evenly distributed along the circumference of the ditching wheel, the directions of the soil scoops are consistent, and when the soil scoops rotate to the lower portion of the ditching wheel, the scoop ports of the soil scoops face the advancing direction.

The cam is a feed cam.

The upper ends of the movable seed discharging plate and the fixed seed discharging plate are fixed with each other through a connecting piece.

Wheels are fixed at the front end of the hand push frame.

The beneficial effects of the utility model reside in that: the utility model is designed according to four procedures of ditching, seed discharging, earthing and soil compacting during manual cultivation. The main components of the device comprise a ditching wheel, a seed sowing mechanism and a soil covering wheel. Wherein, the ditching wheel completes ditching and soil covering processes; the seed metering mechanism is used for discharging seeds. The V-shaped seed cavity structure of the seed metering mechanism is matched with the linkage structure of the spring, the gear set, the cam and the ejector rod, the function of seed metering along with walking is realized, the failure rate is low, the soil digging spoon on the ditching wheel is used for realizing the process of covering soil on seeds, and finally the soil covering wheel presses the sowed soil. The utility model discloses the process of artifical planting of simulation designs, and its simple structure reasonable manufacturing cost is lower. The utility model is particularly suitable for farmlands, mountainous regions, terraced fields and the like with smaller scale due to small volume and flexible cultivation. The utility model discloses size to the seed has general applicability, and convenient operation, as long as promote the utility model discloses whole farming process just can be accomplished to the antecedent, has reduced workman's intensity of labour, saves time, has improved production efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the seeding mechanism of the utility model.

Fig. 3 is a schematic design diagram of the present invention.

In the figure: the soil-covering machine comprises a shell 1, a ditching wheel 2, a seed-arranging plate 3, a seed-arranging plate 4, a seed-arranging plate 5, a hand-push frame 6, a soil-covering wheel 7, a spring 8, a wheel 9, a cam 10, a top rod 11, a driving gear 11, a driven gear 12, a seed inlet 1a and a soil-digging spoon 2 a.

Detailed Description

The present invention is described below with reference to the accompanying drawings and the embodiments:

FIG. 1 is a schematic structural view of a small-sized manpower cultivator of the present invention. A small-sized manpower cultivator comprises a hand push frame 5, a soil covering wheel 6 fixed below the hand push frame 5 and a seeding mechanism arranged at the front end of the hand push frame 5; the seeding mechanism comprises a shell 1, a ditching wheel 2 and a seed discharging mechanism, wherein the ditching wheel 2 and the seed discharging mechanism are fixed in the shell 1; the ditching wheel 2 is fixed in the shell 1 in a shaft connection mode, and the axis of the ditching wheel 2 is parallel to the axis of the soil covering wheel 6; a gear set consisting of a driving gear 11 and a driven gear 12 which are engaged with each other is fixed to one side of the ditching wheel 2. Wherein, the driving gear 11 is coaxially connected with the ditching wheel 2, and the driven gear 12 is fixed with a cam 9, preferably a feeding cam; the seed sowing mechanism is positioned at the rear of the ditching wheel 2.

As shown in fig. 2-3, the seed metering mechanism comprises a fixed seed metering plate 3 and a movable seed metering plate 4; the fixed seed discharging plate 3 is arranged at the front end of the movable seed discharging plate 4, and the fixed seed discharging plate 3 is longitudinally fixed on the inner wall of the shell 1; the outer wall of the movable seed metering plate 4 is fixedly connected with one end of the spring 7, the other end of the spring 7 is fixed on the rear end face of the shell 1, the spring 7 is in a compression state at the moment, the bottom of the movable seed metering plate 4 is abutted against the bottom of the fixed seed metering plate 3 under the action of the spring force, and meanwhile, the top of the movable seed metering plate 4 is separated from the top of the fixed seed metering plate 3 to form a V-shaped seed cavity. In order to meet good fixity, the upper ends of the movable seed discharging plate 4 and the fixed seed discharging plate 3 can be mutually fixed through a connecting piece; a seed inlet 1a is arranged on the shell 1 right above the V-shaped seed cavity; a top rod 10 is arranged between the cam 9 and the movable seed sowing plate 4, a slide way is arranged on the wheel surface of the cam 9, one end of the top rod 10 is fixed at the bottom end of the movable seed sowing plate 4, the other end of the top rod 10 passes through the fixed seed sowing plate 3 and is connected in the slide way of the cam 9 in a sliding way, and when the top rod 10 slides to the highest point of the cam 9, the bottom end of the movable seed sowing plate 4 is separated from the bottom end of the fixed seed sowing plate 3. Because the difference of the size of seed, consequently in practical application, can adopt the not spring strength of equidimension cam 9 or adjusting spring 7 to change the space of opening of moving seed metering board 4 and deciding row board bottom according to the size difference of seed, consequently the utility model discloses have general suitability.

Soil scoopers 2a with consistent scoop directions are uniformly distributed on the circumference of the ditching wheel 2, and when the soil scoopers 2a rotate to the lower part of the ditching wheel 2 along with the ditching wheel 2, the scoop directions of the soil scoopers 2a are towards the advancing direction.

In order to make the utility model more easily pushed, two wheels 8 can be symmetrically fixed at the front end of the hand-push frame 5.

The utility model discloses a theory of operation and process are as follows:

as shown in FIG. 3, in a static state, under the action of the compression force of the spring, the lower end of the movable seed discharging plate 4 and the lower end of the fixed seed discharging plate 3 are attached to each other to form a V-shaped seed cavity, and the seeds in the V-shaped seed cavity cannot leak out. At this time, seeds are poured into the "V" type seed cavity through the seed inlet port 1 a. When in cultivation, a person pushes the hand push frame 5, the ditching wheels 2 rotate along with the hand push frame under the action of the person push force to dig out soil in the field, and the ditching process is completed when the preparation is prepared for subsequent sowing. The soil scoops 2a on the circumference of the ditching wheel 2 dig soil at the same time of ditching to prepare for the subsequent soil covering process. Along with the rotation of the ditching wheel 2, the driving gear 11 coaxially connected with the ditching wheel 2 rotates along with the rotation of the ditching wheel, so that the driven gear 12 is driven to rotate, the cam 9 rotates along with the driven gear 12, the ejector rod 10 connected with the movable seed sowing plate 4 slides in the slide way of the cam 9, along with the sliding of the ejector rod 10 along the surface of the cam 9, the bottom end of the movable seed sowing plate 4 is gradually far away from the bottom end of the fixed seed sowing plate 3, and when the ejector rod slides to the highest point of the cam 9, the bottom end of the movable seed sowing plate 4 and the bottom end of the fixed seed sowing plate 3 are separated to the maximum, so that seeds fall into soil, and. Along with the rotation of the ditching wheel 2, when the soil-filled soil digging spoon 2a rotates to the upper end of the ditching wheel 2, soil can fall onto the seeds which are just sown at the rear, and the soil covering process is completed. Along with continue promoting the utility model discloses move forward, when earthing wheel 6 moved the place of spilling the seed, with the soil compaction, accomplished the process of firming. At this time, one sowing has been completed.

The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.

Claims

1. A small-sized manpower cultivator is characterized by comprising a hand-push frame, soil covering wheels fixed below the hand-push frame and a seeding mechanism arranged at the front end of the hand-push frame; the seeding mechanism comprises a shell, a ditching wheel and a seed discharging mechanism which are arranged in the shell; the ditching wheel is connected to the inside of the shell through a shaft, the axis of the ditching wheel is parallel to the axis of the soil covering wheel, and a soil scooper is arranged on the circumference of the ditching wheel; a gear set is fixed on one side of the ditching wheel, the gear set comprises a driving gear and a driven gear which are meshed with each other, the driving gear and the ditching wheel are coaxially connected together, and a cam is fixed on the driven gear; the seed sowing mechanism is positioned at the rear of the ditching wheel and comprises a fixed seed sowing plate and a movable seed sowing plate; the fixed row of plates are longitudinally fixed on the inner wall of the shell; the movable seed discharging plate is fixedly connected with the shell through a spring, the bottom of the movable seed discharging plate is abutted against the bottom of the fixed seed discharging plate, and the top of the movable seed discharging plate is separated from the top of the fixed seed discharging plate to form a V-shaped seed cavity; a seed inlet is arranged on the shell above the V-shaped seed cavity; and a push rod is arranged between the cam and the movable seed metering plate, one end of the push rod is fixed at the bottom end of the movable seed metering plate, the other end of the push rod is connected to the wheel surface of the cam in a sliding manner, and when the push rod slides to the highest point of the cam, the bottom end of the movable seed metering plate is separated from the bottom end of the fixed seed metering plate.

2. The small-sized manpower tiller according to claim 1, wherein the fixed seed discharging plate is arranged at the front end of the movable seed discharging plate, the outer wall of the movable seed discharging plate is fixedly connected with one end of a spring, and the other end of the spring is fixed on the rear end surface of the housing; the ejector rod penetrates through the fixed seed discharging plate and is fixedly connected with the movable seed discharging plate.

3. A small size hand-powered tiller as claimed in claim 1, wherein said shovels are evenly distributed along the circumference of the trenching wheel and are oriented in a uniform manner such that the mouth of the shovel faces in a forward direction as the shovel rotates under the trenching wheel.

4. A small size human powered tiller as claimed in claim 1, wherein said cam is a feed cam.

5. The small-sized manpower tiller according to claim 1, wherein the upper ends of the movable seed discharging plate and the fixed seed discharging plate are fixed to each other through a connecting member.

6. The small-sized manpower tiller according to claim 1, wherein wheels are fixed to a front end of the hand push frame.