CN111527837A

CN111527837A - Seeding assembly with adjustable flow of multi-row drill seeding seeds

Info

Publication number: CN111527837A
Application number: CN202010525027.8A
Authority: CN
Inventors: 唐汉; 王金武; 徐常塑; 姜业明; 刘子铭; 王梓名
Original assignee: Northeast Agricultural University
Current assignee: Northeast Agricultural University
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-08-14

Abstract

A seeding assembly with adjustable flow of multi-row drill seeding seeds belongs to agricultural machinery; the seed sowing device is characterized in that a conical seed distributing body is fixedly arranged on the lower portion of the inner side of a conical funnel-shaped seed box, a circular inner base plate is fixedly arranged on the bottom end portion of the conical seed distributing body, an inner gear ring is rotatably assembled on the circular inner base plate, N pin shafts are uniformly distributed on the circular inner base plate along the circumferential direction, a cylindrical gear is sleeved on the pin shafts, N racks are arranged on the circular inner base plate, fan-shaped blades are fixedly arranged on the racks, more than 2 seed leaking through holes with different apertures are formed in the fan-shaped blades, a locking disc is fixedly arranged on the lower end portion of the circular inner base plate, seed sowing through holes are formed in the locking disc, an adjusting rod with a positioning buckle is fixedly arranged on the inner gear ring, and the positioning buckle is matched with an; the assembly has unique, reasonable and compact structure, simple and convenient adjustment operation, high adjustment efficiency, good adjustment precision consistency, strong applicability and reliable use.

Description

Seeding assembly with adjustable flow of multi-row drill seeding seeds

Technical Field

The invention belongs to agricultural machinery and mainly relates to a seeding assembly.

Background

The prior multi-row drill seeding machine mostly adopts the traditional outer grooved wheel seeding assembly, and the machine is respectively provided with the outer grooved wheel seeding assembly with the number equal to the number of rows according to the number of rows of drill operation. When seed flow is regulated by drilling seeds according to agricultural requirements, each outer grooved wheel seed sowing device needs to be independently regulated, various technical problems of complex regulation operation, low efficiency, difficulty in consistency in regulation precision and the like exist, particularly, with the development of intensive agriculture operation in China, the large-scale multi-row drilling agricultural machine becomes a necessary trend, the existing problems are more prominent, and therefore, the research and development of a seeding assembly with a novel structure and adjustable seed flow is very necessary.

Disclosure of Invention

Aiming at the problems in the prior art, the invention researches and designs a seeding assembly with adjustable flow of multi-row drill seeding particles and a novel structure by combining the actual requirements of agricultural production operation, and achieves the purposes of high adjusting efficiency, high speed, good consistency of adjusting precision and simple and convenient adjusting operation.

The invention aims to realize the following aims that a conical seed distributing body is fixedly arranged on the lower part of the inner side of a conical funnel-shaped seed box, a circular inner base plate is coaxially and fixedly arranged on the outer part of the bottom end of the conical seed distributing body, an inner gear ring is coaxially arranged on the circular inner base plate and can be in reciprocating rotation along the circumferential direction, N pin shafts are uniformly distributed on the circular inner base plate and positioned at the inner side part of the inner gear ring along the circumferential direction, a cylindrical gear is rotatably sleeved on the pin shafts, N racks are uniformly distributed on the circular inner base plate along the circumferential direction and can be in reciprocating movement along the radial direction, the cylindrical gear is respectively meshed with the inner gear ring and the racks, fan-shaped blades are fixedly arranged on the lower end parts of the N rack blades respectively, more than 2 seed leaking through holes with different pore sizes are sequentially arranged on the fan-shaped blades along the radial direction, a seed leaking through hole, The seed sowing device is characterized in that a locking disc is fixedly arranged at the lower part of the fan-shaped blades, seed sowing through holes with the same number as the number of the fan-shaped blades are uniformly distributed on the locking disc along the circumferential direction, the diameter size of each seed sowing through hole is larger than that of a seed leakage through hole with the largest diameter, the seed leakage through holes in the fan-shaped blades enable the conical funnel-shaped seed box and the seed sowing through holes to be communicated with each other, an adjusting rod is fixedly arranged on the outer wall surface of the inner gear ring, a positioning buckle is hinged to the outer end of the adjusting rod, an arc-shaped positioning plate is fixedly arranged on the outer wall surface of the conical funnel-shaped seed box, positioning bayonets with the same number as the seed leakage through holes with different sizes are arranged on the arc-shaped positioning plate, the positioning buckles are respectively clamped.

The invention realizes that one sowing assembly can bear multi-row drill sowing operation, can synchronously finish the uniform adjustment of the flow of multi-row drill sowing seeds, and has the characteristics of unique, reasonable and compact structure, simple and convenient adjustment operation, high adjustment efficiency, good adjustment precision consistency, strong applicability and reliable use. The assembly can also be suitable for multi-row drilling operation of different crop varieties and different grain sizes.

Drawings

FIG. 1 is a schematic structural view of a multi-row seed flow rate adjustable seeding assembly;

FIG. 2 is a bottom view of FIG. 1;

FIG. 3 is a schematic view of the locking disk of FIG. 2 shown removed;

fig. 4 is a schematic structural diagram of fig. 3 with the fan-shaped blades, the conical funnel-shaped seed box and the conical seed distributing body removed.

Description of part numbers in the figures:

1. the seed sowing device comprises a conical funnel-shaped seed box, 2, a conical seed distribution body, 3, a seed leakage through hole, 4, a positioning buckle, 5, an adjusting rod, 6, a positioning bayonet, 7, an arc-shaped positioning plate, 8, a fan-shaped blade, 9, a locking disc, 10, a seed sowing through hole, 11, a cylindrical gear, 12, a pin shaft, 13, a circular inner seat plate, 14, an inner gear ring, 15 and a rack.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A seeding assembly with multiple rows of seed drilling and flow rate adjustment is characterized in that a conical seed distributing body 2 is fixedly installed on the lower portion of the inner side of a conical hopper-shaped seed box 1, a circular inner base plate 13 is coaxially and fixedly installed on the outer portion of the bottom end of the conical seed distributing body 2, an inner gear ring 14 is coaxially and rotatably assembled on the circular inner base plate 13 along the circumferential direction, N pin shafts 12 are uniformly distributed on the circular inner base plate 13 and positioned on the inner side of the inner gear ring 14 along the circumferential direction, cylindrical gears 11 are rotatably sleeved on the pin shafts 12, N gear racks 15 are uniformly distributed on the circular inner base plate 13 along the circumferential direction and rotatably and movably installed along the radial direction, the cylindrical gears 11 are respectively meshed with the inner gear ring 14 and the gear racks 15, fan-shaped blades 8 are fixedly installed on the lower end portions of the N gear racks 15 respectively, and more than 2 seed leaking through holes 3 with different aperture sizes are sequentially formed on the fan-shaped gear blades, the seed sowing device is characterized in that a locking disc 9 is fixedly arranged on the lower end part of the circular inner seat plate 13 and below the fan-shaped blades 8, seed sowing through holes 10 with the same number as the fan-shaped blades 8 are uniformly distributed in the circumferential direction on the locking disc 9, the diameter size of each seed sowing through hole 10 is larger than that of the largest-diameter seed leakage through hole 3, the conical funnel-shaped seed box 1 is communicated with the seed sowing through holes 10 through the seed leakage through holes 3 on the fan-shaped blades 8, an adjusting rod 5 is fixedly arranged on the outer wall surface of the inner gear ring 14, a positioning buckle 4 is hinged and arranged on the outer end part of the adjusting rod 5, an arc-shaped positioning plate 7 is fixedly arranged on the outer wall surface of the conical seed box 1, positioning bayonets 6 with the same number as the seed leakage through holes 3 with different sizes are arranged on the arc-shaped positioning plate 7, and the positioning buckles 4.

When the multi-row drill seeding operation is used, under the cooperation of the conical seed distributing body 2, seeds in the conical funnel-shaped seed box 1 are discharged through the seed leaking through holes 3 on the fan-shaped blades 8 and the seed discharging through holes 10 on the locking disc 9, and the multi-row drill seeding operation is completed. When the flow rate of the multi-row seed drill is adjusted, the positioning buckle 4 is pulled out from the positioning bayonet 6 on the arc positioning plate 7 by hand, the adjusting hand lever 5 is utilized to rotate the inner gear ring 14 on the circular inner base plate 13, the rotating inner gear ring 14 simultaneously drives the N cylindrical gears 11 meshed with the inner gear ring to rotate, the rotating cylindrical gears 11 drive the fan-shaped blades 8 to do radial motion relative to the circular inner base plate 13 through the racks 15, the overlapping of the seed leakage through holes 3 with different aperture sizes on the fan-shaped blades 8 and the seed leakage through holes 10 on the locking disc 9 is realized and completed according to the adjustment requirement, then, the positioning buckle 4 and the corresponding positioning bayonet 6 on the arc positioning plate 7 are clamped and locked, and the flow rate adjustment of the multi-row seed drill is completed synchronously at one time. When the large-diameter seed leaking through hole 3 is overlapped and communicated with the seed discharging through hole 10, the seed flow is large; when the small-diameter seed leaking through hole 3 is overlapped and communicated with the seed discharging through hole 10, the seed flow is small.

Claims

1. The utility model provides an adjustable seeding assembly of multirow drilling seed flow which characterized in that: the seed sowing device is characterized in that a conical seed distribution body (2) is fixedly arranged on the lower portion of the inner side of a conical funnel-shaped seed box (1), a circular inner base plate (13) is coaxially and fixedly arranged on the outer portion of the bottom end of the conical seed distribution body (2), an inner gear ring (14) is coaxially arranged on the circular inner base plate (13) and can rotate in a reciprocating manner along the circumferential direction, N pin shafts (12) are uniformly arranged on the circular inner base plate (13) and positioned at the inner side portion of the inner gear ring (14) along the circumferential direction, a cylindrical gear (11) is rotatably sleeved on the pin shafts (12), N racks (15) are uniformly arranged on the circular inner base plate (13) along the circumferential direction and can move in a reciprocating manner along the radial direction, the cylindrical gear (11) is respectively meshed with the inner gear ring (14) and the racks (15), fan-shaped blades (8) are fixedly arranged on the lower end portions of the N racks (15), and more than 2 seed leakage through holes (2) with different pore sizes 3) A locking disc (9) is fixedly arranged on the lower end part of the circular inner seat plate (13) and positioned below the fan-shaped blades (8), seed sowing through holes (10) with the same number as the fan-shaped blades (8) are uniformly distributed on the locking disc (9) along the circumferential direction, the diameter size of each seed sowing through hole (10) is larger than that of the largest-diameter seed leakage through hole (3), the conical funnel-shaped seed box (1) is communicated with the seed sowing through holes (10) through the seed leakage through holes (3) on the fan-shaped blades (8), an adjusting rod (5) is fixedly arranged on the outer wall surface of the inner gear ring (14), a positioning buckle (4) is hinged on the outer end part of the adjusting rod (5), an arc-shaped positioning plate (7) is fixedly arranged on the outer wall surface of the conical funnel-shaped seed box (1), and positioning bayonets (6) with the same number as the seed leakage through holes (3) with different sizes are arranged on the arc-shaped positioning plate (, the positioning buckles (4) are respectively in clamping locking fit with the positioning bayonets (6).