CN210406168U

CN210406168U - Shallow ditching dry land direct seeding machine for rice

Info

Publication number: CN210406168U
Application number: CN201920933082.3U
Authority: CN
Inventors: 贺奇; 殷延勃; 李黎红; 马洪文; 王昕�; 张文银; 王坚; 陈丽; 陈红兵
Original assignee: CROP Research Institute of Ningxia Academy of Agriculture and Forestry Sciences
Current assignee: CROP Research Institute of Ningxia Academy of Agriculture and Forestry Sciences
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-04-28
Anticipated expiration: 2029-06-20

Abstract

The utility model belongs to the technical field of agricultural machine, a rice shallow ditching nonirrigated farmland direct seeder is related to. The device comprises a seed box, a seed metering device, a rotating shaft, a traveling wheel, a handrail and a ditching device, wherein the ditching device comprises a ditcher, the ditcher comprises a seed conveying piece and a ditching piece which are connected with each other, the seed conveying piece is connected with the seed metering device, and a feeding port of the seed conveying piece is positioned below a discharge port of the seed metering device. The device realizes ditching and seeding when the rice dry land is directly seeded, the depth degree of the ditching and the seeding can be adjusted, the operation procedures are less, the processing cost is low, the time and the labor are saved, and the device is suitable for being used in a plot experiment of the rice dry land direct seeding.

Description

Shallow ditching dry land direct seeding machine for rice

Technical Field

The utility model belongs to the technical field of agricultural machine, a rice shallow ditching nonirrigated farmland direct seeder is related to.

Background

At present, the direct seeding area of domestic rice is huge; in the direct seeding cultivation mode of rice, the direct dry seeding occupies larger planting area due to the advantages of labor saving, water saving, easy operation and the like. Before a large amount of popularization of the rice planting mode, a plot experiment needs to be carried out. In the test process of the rice planting plot, the area of some test areas is quite small and is only 10-20 square meters, so that large machinery cannot be operated at all. Meanwhile, the traditional dry land direct seeding machine can only realize the single function of seeding, so that other machines are required to be used for ditching soil before seeding; if the ditching treatment is not carried out, the red mud is added into the seeds and the seeds are stirred, otherwise, the seeds float when flowing water. In conclusion, the existing mechanical device or operation mode has the defects of excessive operation procedures, low planting efficiency and the like, and the research progress of the rice plot test is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rice shallow ditching nonirrigated farmland direct seeder, collect the function in an organic whole of ditching, seeding, still can adjust the depth degree of ditching and seeding, reduce operation, improve work efficiency.

The utility model provides a technical problem as follows.

A paddy rice shallow ditching dry land direct seeding machine comprises a seed box, a seed sowing device, a rotating shaft, a traveling wheel, a handrail and a ditching device; the bottom of the seed box is provided with an opening, the seed sowing device is fixed on the seed box, a feeding port of the seed sowing device is positioned below the opening of the seed box, a rotating shaft penetrates through seed sowing wheels of the seed sowing device, the two walking wheels are respectively fixed at two ends of the rotating shaft, and one end of a handrail is fixed at the bottom of the seed box; the ditching device comprises a ditcher, and the ditcher comprises a seed conveying piece and a ditching piece which are connected with each other; the seed conveying piece is connected with the seed metering device, and the feed inlet of the seed conveying piece is positioned below the discharge outlet of the seed metering device. By adopting the technical scheme, the ditching and the sowing of the rice planting field can be realized simultaneously.

Furthermore, the seed conveying part is of a hollow cylinder structure, and the ditching part is of an open slot structure formed by obliquely cutting the surface of the hollow cylinder. By adopting the technical scheme, better ditching effect can be realized, and the seeds are further ensured to smoothly pass through the ditcher and be sowed into the ditch.

Furthermore, the ditching device also comprises a connecting rod, a connecting plate, a fixed seat and a U-shaped pull rod; the seed conveying piece and the seed metering ware swing joint of furrow opener, the one end and seed conveying piece swing joint, the other end of connecting rod pass the connecting plate and pass through the bolt fastening, and the fixing base is fixed in the seed case bottom, and the open end and the connecting plate fixed connection of U type pull rod, the body of rod pass the fixing base and pass through the bolt fastening. By adopting the technical scheme, the depth degree of ditching and sowing can be adjusted.

Furthermore, the number of the openings at the bottom of the seed box, the seeding unit and the openers and the connecting rods of the opening-sowing device is consistent and is at least 3. By adopting the technical scheme, multiple groups of ditching and sowing can be realized simultaneously.

Furthermore, the number of the fixing seats is two, and the fixing seats are respectively fixed on two sides of the bottom of the seed box, and the number of the U-shaped pull rods is two, and the U-shaped pull rods are respectively located on two sides of the connecting plate. By adopting the technical scheme, the furrow opener has better installation stability, and the depth of furrowing and sowing can be adjusted more conveniently.

Furthermore, a plurality of conical plates are uniformly arranged on the surface of the outer edge of the travelling wheel. By adopting the technical scheme, the walking wheels can be stabbed into soil more stably, and the smooth proceeding of the ditching and sowing processes is ensured.

Further, the top of the seed box is provided with a cover plate. By adopting the technical scheme, the influence of the external environment on the seeds in the seed box is effectively avoided.

Further, the other end of the handrail is provided with a rubber sleeve. By adopting the technical scheme, good anti-skidding and heat-insulating effects can be achieved.

Furthermore, the distance between the two walking wheels at the two ends of the rotating shaft is 1.5-3 meters. By adopting the technical scheme, the device has smaller integral size and can be used in cell tests.

The rice shallow-ditching dry land direct sowing machine has the advantages that the functions of ditching and sowing are integrated, ditching and sowing are realized while rice dry land direct sowing is realized, and the seeds are effectively ensured to be accurately sown in the ditches; the depth of ditching and sowing can be adjusted according to the requirement, which is beneficial to realizing shallow ditching of direct sowing of rice in dry land; the procedure of mixing red mud before rice sowing is not needed, so that the operation procedures are effectively reduced, the time and the labor are saved, and the working efficiency is improved; the size of whole direct seeder is less, can realize the ditching seeding through the mode of hand push, and is very convenient, does benefit to and uses in the plot experiment before the rice large tracts of land is promoted, and simultaneously, the device still can directly reform transform on the basis of current seeder and obtain, practices thrift the processing cost more.

Drawings

FIG. 1 and FIG. 2 are the three-dimensional structure diagrams of the rice shallow ditching dry land direct seeding machine of the utility model;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a perspective view of the furrow opener.

The codes in the figures are respectively: the seed box comprises a seed box 1, an opening 1-1, a seed sowing device 2, a seed sowing wheel 2-1, a rotating shaft 3, a traveling wheel 4, a conical plate 4-1, a handrail 5, a ditching device 6, a ditcher 6-1, a seed conveying piece 6-11, a ditching piece 6-12, a connecting rod 6-2, a connecting plate 6-3, a fixed seat 6-4 and a U-shaped pull rod 6-5.

Detailed Description

As shown in figures 1, 2 and 3, the rice shallow ditching dry land direct seeding machine comprises a seed box 1, a seed sowing device 2, a rotating shaft 3, a travelling wheel 4, a handrail 5 and a ditching device 6.

The bottom of the seed box 1 is provided with 3-8 openings 1-1, the top is provided with a cover plate, the number of the seed sowing devices 2 is consistent with the number of the openings 1-1, each seed sowing device 2 comprises a shell and a seed sowing wheel 2-1 arranged in the shell, a feed inlet and a discharge outlet are arranged on the shell, the uniform seed sowing process is realized through the rotation of the seed sowing wheel 2-1, the seed sowing devices 2 are fixed on the seed box 1, the feed inlets of the seed sowing devices 2 are correspondingly arranged below the openings 1-1 of the seed box 1, a rotating shaft 3 penetrates through the seed sowing wheels 2-1 of each seed sowing device 2, the number of the walking wheels 4 is two and are respectively fixed at two ends of the rotating shaft 3, the distance between the two walking wheels 4 is 1.5-3 meters, the outer edge surfaces of the walking wheels 4 are uniformly provided with a plurality of conical plates 4-, the other end is provided with a rubber sleeve.

The ditching device 6 comprises a ditcher 6-1, a connecting rod 6-2, a connecting plate 6-3, a fixed seat 6-4 and a U-shaped pull rod 6-5, as shown in figure 4, the ditcher 6-1 comprises a seed conveying part 6-11 and a ditching part 6-12 which are connected with each other, the seed conveying part 6-11 is of a hollow cylinder structure, and the ditching part 6-12 is of an open slot structure formed by obliquely cutting the surface of the hollow cylinder; the number of the furrow openers 6-1 and the connecting rods 6-2 is consistent with that of the seed sowing devices 2; the seed conveying pieces 6-11 are movably connected with the seed sowing devices 2 in a one-to-one correspondence manner, the feeding ports of the seed conveying pieces 6-11 are all positioned below the discharging ports of the seed sowing devices 2, one ends of the connecting rods 6-2 are movably connected with the seed conveying pieces 6-11 in a one-to-one correspondence manner, the other ends of the connecting rods pass through the connecting plates 6-3 and are fixed through bolts, the number of the fixing seats 6-4 is two, the fixing seats are respectively fixed on two sides of the bottom of the seed box 1, the number of the U-shaped pull rods 6-5 is two, the U-shaped pull rods are respectively positioned on two sides of the connecting plates 6-3, specifically, the opening ends of the U-shaped pull rods 6-5 are fixedly connected with the connecting plates 6-3, and the rod bodies pass through the fixing seats 6-.

The utility model discloses rice shallow ditching nonirrigated farmland direct seeder's theory of operation as follows. Opening a cover body at the top of the seed box 1, placing rice seeds to be sowed in the seed box 1, and covering the cover body; the two travelling wheels 4 are rotated by holding the handrail 5 by hands and continuously pulling the handrail, so that the direct seeding machine advances towards the extending direction of the tail end of the handrail 5; when the whole direct seeding machine is placed in soil to be sowed, the tail end of a ditching piece 6-12 of the ditcher 6-1 is also inserted into the soil, so that the ditching piece 6-12 continuously utilizes the tip part at the tail end of the ditching piece to realize ditching operation on the soil in the advancing process of the direct seeding machine; the rotating shaft 3 is driven to rotate continuously along with the continuous rotation of the travelling wheels 4, so that the seeding wheel 2-1 of the seeding unit 2 sleeved on the rotating shaft 3 rotates continuously; seeds in the seed box 1 continuously enter the seed sowing device 2 through an opening 1-1 positioned at the bottom of the seed box 1 and above a feed inlet of the seed sowing device 2, are uniformly discharged from a discharge outlet of the seed sowing device 2 under the rotation of a seed sowing wheel 2-1, sequentially pass through a seed conveying part 6-11 and a ditching part 6-12 of the ditcher 6-1 and are discharged into soil, concretely, the seed conveying part 6-11 is of a hollow cylinder structure, the ditching part 6-12 is of an open slot structure formed by obliquely cutting the surface of the hollow cylinder, the seed conveying part 6-11 is sequentially connected with the ditching part 6-12 to enable the interiors of the seed conveying part 6-11 and the ditching part 6-12 to be communicated, further, the seeds can sequentially pass through the internal cavities of the seed conveying part 6-11 and the ditching part 6-12 and are discharged from a tip part at the tail end of the ditching part 6-12 and just sow into a gully opened by the ditching, the ditching and sowing integrated operation of direct sowing of rice seeds in dry land is realized.

In addition, the direct seeding machine can adjust the depth of ditching and seeding according to the soil moisture content and the flatness of the ground. The concrete process is that the bolt for fixing the U-shaped pull rod 6-5 and the fixed seat 6-4 is loosened, and the U-shaped pull rod 6-5 is pulled to enable the rod body to continuously move along the fixed seat 6-4; as the seed conveying piece 6-11 is movably connected with the seed sowing device 2, one end of the connecting rod 6-2 is movably connected with the seed conveying piece 6-11, and the other end of the connecting rod passes through the connecting plate 6-3 and is fixed by a bolt, the connecting plate 6-3 is driven to move along with the continuous movement of the U-shaped pull rod 6-5, so as to drive all the connecting rods 6-2 connected on the connecting plate 6-3 to move, and finally the ditching piece 6-12 is driven to rotate by the rotation of the seed conveying piece 6-11 on the seed sowing device 2, so that the aim of adjusting the soil penetration depth of the ditching piece 6-12 is fulfilled; when the tail end of the ditching piece 6-12 reaches a proper position, the U-shaped pull rod 6-5 and the fixed seat 6-4 are fastened by using a bolt.

By utilizing the shallow ditching dry land direct seeding machine for rice, the cover plate arranged at the top of the seed box 1 can avoid the influence of external environment on the seeds in the box; the seeding device 2 is arranged, so that the seeding and fertilizing process of the seeds is more uniform; the plurality of conical plates 4-1 arranged on the outer edge of the travelling wheel 4 can be continuously and circularly inserted into soil, so that the travelling process of the travelling wheel 4 is more stable; the rubber sleeve arranged at the tail end of the handrail 5 can play a good role in skid resistance and heat insulation, so that the whole process of pulling the direct seeding machine by an operator is more convenient and comfortable; the depth degree of ditching and sowing can be adjusted by the ditching device 6; the device can realize the integrated operation of ditching and sowing in the dry direct sowing process of the rice, and the seeds just fall into the gullies, so that the seeds are not easy to float in the subsequent primary water dripping process, the red mud stirring operation of the seeds before sowing is avoided, and the working procedure, the time and the labor are saved; this device, the size is little, the simple operation, and the pilot scale before the suitable extensive volume production is experimental to be used, simultaneously, still can improve on the basis of current live broadcast machine and obtain, effectively practices thrift the cost.

Claims

1. A paddy rice shallow ditching dry land direct seeding machine is characterized by comprising a seed box (1), a seed sowing device (2), a rotating shaft (3), a traveling wheel (4), a handrail (5) and a ditching device (6);

an opening (1-1) is formed in the bottom of the seed box (1), the seed sowing device (2) is fixed on the seed box (1), a feeding port of the seed sowing device is positioned below the opening (1-1) of the seed box (1), the rotating shaft (3) penetrates through seed sowing wheels (2-1) of the seed sowing device (2), the two walking wheels (4) are respectively fixed at two ends of the rotating shaft (3), and one end of the handrail (5) is fixed at the bottom of the seed box (1);

the ditching device (6) comprises a ditcher (6-1), and the ditcher (6-1) comprises a seed conveying piece (6-11) and a ditching piece (6-12) which are connected with each other; the seed conveying pieces (6-11) are connected with the seed metering device (2), and the feed inlet of the seed conveying pieces is positioned below the discharge outlet of the seed metering device (2).

2. The rice shallow ditching dry land direct seeding machine as claimed in claim 1, characterized in that the seed conveying member (6-11) is a hollow cylinder structure, and the ditching member (6-12) is an open groove structure formed by obliquely cutting the surface of the hollow cylinder.

3. The rice shallow ditching dry land direct seeding machine as claimed in claim 1 or 2, characterized in that the ditching device (6) further comprises a connecting rod (6-2), a connecting plate (6-3), a fixed seat (6-4) and a U-shaped pull rod (6-5); the seed conveying piece (6-11) of the furrow opener (6-1) is movably connected with the seed sowing device (2), one end of the connecting rod (6-2) is movably connected with the seed conveying piece (6-11), the other end of the connecting rod penetrates through the connecting plate (6-3) and is fixed through a bolt, the fixing seat (6-4) is fixed at the bottom of the seed box (1), the opening end of the U-shaped pull rod (6-5) is fixedly connected with the connecting plate (6-3), and the rod body penetrates through the fixing seat (6-4) and is fixed through a bolt.

4. The rice shallow-ditching dry-land direct seeding machine as claimed in claim 3, characterized in that the number of the openings (1-1) at the bottom of the seed box (1), the seeding unit (2) and the ditchers (6-1) and the connecting rods (6-2) of the ditching device (6) is at least 3.

5. The rice shallow ditching dry land direct seeding machine as claimed in claim 4, characterized in that the number of the fixed seats (6-4) is two, and the fixed seats are respectively fixed on two sides of the bottom of the seed box (1), and the number of the U-shaped pull rods (6-5) is two, and the two U-shaped pull rods are respectively located on two sides of the connecting plate (6-3).

6. The rice shallow ditching dry land direct seeding machine as claimed in claim 1, characterized in that a plurality of conical plates (4-1) are uniformly arranged on the outer edge surface of the travelling wheel (4).

7. The rice shallow ditching dry land direct seeding machine as claimed in claim 1, characterized in that the top of the seed box (1) is provided with a cover plate.

8. The rice shallow ditching dry land direct seeding machine as claimed in claim 1, characterized in that the other end of the handrail (5) is provided with a rubber sleeve.

9. The rice shallow ditching dry land direct seeding machine as claimed in claim 1, characterized in that the distance between the two walking wheels (4) at the two ends of the rotating shaft (3) is 1.5-3 m.