CN108848772B

CN108848772B - Wheat seeder

Info

Publication number: CN108848772B
Application number: CN201810571536.7A
Authority: CN
Inventors: 宋维康
Original assignee: Shandong Shuangling Internal Combustion Engine Manufacturing Co ltd
Current assignee: SHANDONG SHUANGLING INTERNAL COMBUSTION ENGINE MANUFACTURING Co.,Ltd.
Priority date: 2018-06-06
Filing date: 2018-06-06
Publication date: 2021-09-21
Anticipated expiration: 2038-06-06
Also published as: CN108848772A

Abstract

The invention discloses a wheat seeder, which comprises a rack, wherein a seed box is arranged on the rack, a support is arranged at the bottom of the rack, the bottom end of the support is connected with a ditching cutter head through a first motor, a connecting rod is hinged to the side surface of the support, the connecting rod is connected with the support through an air cylinder, the tail end of the connecting rod is connected with a seeding cutter head through a second motor, a hose is fixed on the connecting rod, one end of the hose is connected with the seed box, and the other end of the hose is positioned above the seeding cutter head. The invention can improve the defects of the prior art and improve the seeding uniformity of the wheat seeds.

Description

Wheat seeder

Technical Field

The invention relates to an agricultural machine, in particular to a wheat seeder.

Background

With the development of agricultural mechanization, mechanized wheat planting in large-area wheat fields by using a seeder is more and more common. The existing wheat seeder generally adopts an operation mode of 'ditching and seeding'. However, the existing seeding machines are respectively used for 'ditching' and 'seeding', so that the distribution uniformity of seeds in soil is poor, and the germination rate of the seeds and the later growth of wheat plants are influenced.

Disclosure of Invention

The invention aims to provide a wheat seeder, which can overcome the defects of the prior art and improve the seeding uniformity of wheat seeds.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows.

The utility model provides a wheat seeder, includes the frame, installs seed case in the frame, the support is installed to the frame bottom, and the bottom of support is connected with the ditching tool bit through first motor, and the side of support articulates there is the connecting rod, is connected through the cylinder between connecting rod and the support, and the end of connecting rod is connected with the seeding tool bit through the second motor, is fixed with the hose on the connecting rod, and the one end of hose links to each other with seed case, and the other end of hose is located the top of seeding tool bit.

Preferably, the ditching tool bit includes a plurality of ditching blade that the annular was arranged, is provided with a plurality of through-hole between the top surface and the bottom surface of ditching blade, and the top surface outer edge of through-hole is provided with a plurality of and ditching blade edge communicating guiding gutter, is fixed with the filter screen between guiding gutter and the through-hole, and the end of through-hole is provided with the water conservancy diversion hole towards first motor slope.

Preferably, the ditching blade is connected with the first motor through a rotating shaft, and the outer side of the rotating shaft is sleeved with a torsion spring.

Preferably, the seeding tool bit comprises a plurality of seeding blades which are arranged in an annular mode, a plurality of baffles are fixed on the top surfaces of the seeding blades, the baffles on each seeding blade are arranged in a row, and the arrangement direction of the baffles and the rotation direction of the seeding blades form an included angle of 75 degrees.

Preferably, a groove is arranged at the joint of the baffle and the sowing blade.

Preferably, two soil shifting plates are fixed on the rack, the two soil shifting plates are symmetrically arranged by taking the seeding cutter head as a symmetry axis, the soil shifting plates are positioned at the rear side of the seeding cutter head, the bottom ends of the soil shifting plates are obliquely arranged towards the inner side, and slits are formed in the soil shifting plates.

Adopt the beneficial effect that above-mentioned technical scheme brought to lie in: the seeding cutter head and the ditching cutter head are both arranged on the bracket, and seeding operation is carried out while ditching is carried out by the ditching cutter head. Meanwhile, the processes of ditching and seeding are all completed by using the rotating parts, the synchronism of soil turning and seed seeding can be improved, the soil mixed with seeds through the through holes in the ditching cutter head is fully mixed at the ditching part through the ditching cutter head, and the filter screen is used for intercepting the seeds and avoiding the seeds from being thrown out to two sides along with the soil. The flow guide holes can improve the consistency of the seed sowing positions. The effect of the angle of stirring is changed along with the damping force when ditching blade and soil contact can be realized to the swivelling joint mode of ditching blade and first motor to improve the ditching degree of consistency of different soil moisture content. The baffle on the seeding blade is used for evenly scattering the seeds to soil, and the groove is used for inhibiting the play of the seeds after the seeds and the baffle impact each other. The soil shifting plate can be used for effectively backfilling soil and effectively preventing the soil from being backfilled too solidly.

Drawings

FIG. 1 is a block diagram of one embodiment of the present invention.

FIG. 2 is a block diagram of a trenching blade in accordance with an embodiment of the present invention.

Fig. 3 is a structural view of a sowing blade in accordance with an embodiment of the present invention.

In the figure: 1. a frame; 2. a seed box; 3. a support; 4. a first motor; 5. ditching cutter head; 6. a connecting rod; 7. a cylinder; 8. a second motor; 9. a seeding cutter head; 10. a hose; 11. ditching blades; 12. a through hole; 13. a diversion trench; 14. filtering with a screen; 15. a flow guide hole; 16. a rotating shaft; 17. a torsion spring; 18. a sowing blade; 19. a baffle plate; 20. a groove; 21. a soil shifting plate; 22. a slit.

Detailed Description

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description and the description of the attached drawings, and the specific connection mode of each part adopts the conventional means of mature bolts, rivets, welding, sticking and the like in the prior art, and the detailed description is not repeated.

Referring to fig. 1-3, a specific embodiment of the invention comprises a frame 1, a seed box 2 is arranged on the frame 1, a support 3 is arranged at the bottom of the frame 1, the bottom end of the support 3 is connected with a ditching cutter head 5 through a first motor 4, a connecting rod 6 is hinged to the side surface of the support 3, the connecting rod 6 is connected with the support 3 through an air cylinder 7, the tail end of the connecting rod 6 is connected with a seeding cutter head 9 through a second motor 8, a hose 10 is fixed on the connecting rod 6, one end of the hose 10 is connected with the seed box 2, and the other end of the hose 10 is positioned above the seeding cutter head 9. The ditching tool bit 5 includes a plurality of ditching blade 11 that the annular was arranged, is provided with a plurality of through-hole 12 between ditching blade 11's the top surface and the bottom surface, and the top surface of through-hole 12 is outer along being provided with a plurality of and ditching blade 11 communicating guiding gutter 13 in edge, is fixed with filter screen 14 between guiding gutter 13 and the through-hole 12, and the end of through-hole 12 is provided with the water conservancy diversion hole 15 towards the slope of first motor 4. The ditching blade 11 is connected with the first motor 4 through a rotating shaft 16, and a torsion spring 17 is sleeved on the outer side of the rotating shaft 16. The seeding tool bit 9 comprises a plurality of seeding blades 18 which are annularly arranged, a plurality of baffle plates 19 are fixed on the top surfaces of the seeding blades 18, the baffle plates 19 on each seeding blade 18 are arranged in a row, and the arrangement direction of the baffle plates 19 and the included angle of the rotation direction of the seeding blades 18 are 75 degrees. The connection of the baffle plate 19 and the sowing blade 18 is provided with a groove 20. Frame 1 is last to be fixed with two and to dial native board 21, and two are dialled native board 21 and use seeding tool bit 9 to set up as symmetry axis symmetry, dial native board 21 and lie in the rear side of seeding tool bit 9, and the bottom of dialling native board 21 inclines to the inboard and sets up, is provided with slit 22 on the board 21 of dialling native.

In addition, the angle between the rotation axes of the sowing bit 9 and the furrowing bit 5 remains a functional relationship with the rotation speed of the furrowing bit 5 and the travelling speed of the frame 1:

wherein the content of the first and second substances,

the included angle of the rotation axes of the seeding cutter head 9 and the ditching cutter head 5 is shown, r is the rotation speed of the ditching cutter head 5, v is the advancing speed of the rack 1, k is a proportionality coefficient, and the units at the two ends of the function are balanced. The contact and spreading uniformity of the seeds after being sown downwards and the ditching cutter head 5 can be further improved by optimizing the included angle between the rotating axes of the sowing cutter head 9 and the ditching cutter head 5.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a wheat seeder, includes frame (1), installs seed case (2) on frame (1), its characterized in that: the multifunctional ditching machine is characterized in that a support (3) is installed at the bottom of the rack (1), the bottom end of the support (3) is connected with a ditching cutter head (5) through a first motor (4), a connecting rod (6) is hinged to the side face of the support (3), the connecting rod (6) is connected with the support (3) through a cylinder (7), the tail end of the connecting rod (6) is connected with a seeding cutter head (9) through a second motor (8), a hose (10) is fixed on the connecting rod (6), one end of the hose (10) is connected with the seed box (2), and the other end of the hose (10) is located above the seeding cutter head (9); the ditching tool bit (5) comprises a plurality of ditching blades (11) which are annularly arranged, a plurality of through holes (12) are formed between the top surface and the bottom surface of each ditching blade (11), a plurality of diversion trenches (13) communicated with the edges of the ditching blades (11) are formed in the outer edges of the top surfaces of the through holes (12), a filter screen (14) is fixed between each diversion trench (13) and each through hole (12), and diversion holes (15) which incline towards the first motor (4) are formed in the tail ends of the through holes (12); the ditching blade (11) is connected with the first motor (4) through a rotating shaft (16), and the outer side of the rotating shaft (16) is sleeved with a torsion spring (17).

2. The wheat seeder of claim 1, wherein: the seeding tool bit (9) comprises a plurality of seeding blades (18) which are annularly arranged, a plurality of baffle plates (19) are fixed on the top surfaces of the seeding blades (18), the baffle plates (19) on each seeding blade (18) are arranged in a row, and the arrangement direction of the baffle plates (19) and the included angle of the rotation direction of the seeding blades (18) are 75 degrees.

3. The wheat seeder of claim 2, wherein: a groove (20) is arranged at the joint of the baffle (19) and the seeding blade (18).

4. The wheat seeder of claim 3, wherein: frame (1) is last to be fixed with two and to dial native board (21), and two are dialled native board (21) and use seeding tool bit (9) to set up as symmetry axis symmetry, dial native board (21) and lie in the rear side of seeding tool bit (9), and the bottom of dialling native board (21) is to the inboard slope setting, is provided with slit (22) on dialling native board (21).