CN111527838A

CN111527838A - Multi-row precision dibbling and seed discharging assembly suitable for seeds with different grain types

Info

Publication number: CN111527838A
Application number: CN202010525024.4A
Authority: CN
Inventors: 唐汉; 徐常塑; 王金武; 姜业明; 韩宏宇; 王丽娟
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 multi-row precision dibbling and seeding assembly suitable for seeds with different grain types, belonging to agricultural machinery; a circular fixing plate is fixedly provided with a conical funnel-shaped seed box through a fixing rod frame, a speed regulating motor is fixedly arranged at the central part of the circular fixing plate, N seed conveying pipe connectors are arranged on the circular fixing plate, a seed taking plate with a seed taking through hole is fixedly arranged on a motor shaft of the speed regulating motor, a conical seed distribution body is fixedly arranged in the conical funnel-shaped seed box, a circular inner seat plate is fixedly arranged on the outer part of the bottom end of the conical seed distribution body, an inner gear ring, a pin shaft, a cylindrical gear, a rack and fan-shaped blades with seed leaking through holes are respectively arranged on the circular inner seat plate, an adjusting rod is fixedly arranged on the inner gear ring, a positioning buckle is hinged on the adjusting rod, and an arc-shaped positioning plate with a positioning bayonet; the assembly realizes the dibble seeding operation with adjustable multiple rows and different crop seeds and seed spacing, and has unique, reasonable and compact structure, high generalization degree and strong applicability.

Description

Multi-row precision dibbling and seed discharging assembly suitable for seeds with different grain types

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a dibbling and seed discharging assembly.

Background

The existing mechanical strip-row dibbling seed sowing device can only bear and complete single-row dibbling operation of one row of seeds of the same kind or seeds with similar specification and size, and meanwhile, as the structural design adopts the land wheel rotating power of a machine to drive the seed sowing shaft of the strip-row dibbling seed sowing device to rotate for filling and discharging seeds, the plant spacing of the seeds on the same row is fixed and unchanged, and the seed sowing shaft can not be adjusted according to the agricultural needs, so that the technical problems of single variety and poor universality of applicable crops exist. In recent years, along with the development of intensive agriculture operation and the improvement of the level of agricultural mechanized operation in China, the large-scale agricultural equipment becomes a necessary trend, and the problems in the prior art are more prominent, so that the research and development of a multi-row precise dibbling and seed discharging component with a new structure and suitable for seeds of different grain types are necessary and urgent.

Disclosure of Invention

Aiming at the problems in the prior art, the invention researches and designs a multi-row precision dibbling and seeding assembly which has a novel structure and is suitable for seeds with different grain types by combining with the actual requirements of agricultural production operation, thereby achieving the purposes of high generalization degree and strong applicability.

The invention aims to realize the following purposes that a conical funnel-shaped seed box is supported and fixedly installed on the upper side part of a circular fixing plate through a supporting rod frame, a speed regulating motor is hung and fixedly installed on the central part of the circular fixing plate, N seed conveying pipe interfaces are uniformly distributed and arranged on the circular fixing plate along the circumferential direction at the same turning radius, a seed taking plate is fixedly installed on a motor shaft of the speed regulating motor and positioned above the circular fixing plate coaxially and mutually parallel to the circular fixing plate, N seed taking through holes are uniformly distributed and arranged on the seed taking plate along the same turning radius along the circumferential direction, the turning radius of the seed taking through holes is equal to the turning radius of the seed conveying pipe interfaces, and the diameter size of the seed conveying pipe interfaces is larger than that of the seed taking through holes; the inner side part of the conical funnel-shaped seed box is fixedly provided with a conical seed distributing body, the outer part of the bottom end of the conical seed distributing body is coaxially and fixedly provided with a circular inner base plate, the circular inner base plate is coaxially and can be assembled with an inner gear ring in a reciprocating manner 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 respectively and fixedly arranged on the lower end parts of the N racks, more than 2 seed leaking through holes with different aperture sizes are sequentially arranged on the fan-shaped blades along the radial direction, and the conical seed distributing body, the fan-shaped blades, a seed fetching disc and a circular fixing plate, the diameter size of the seed taking through hole is larger than that of the seed leaking through hole with the maximum diameter size, and the conical funnel-shaped seed box is sequentially communicated with the seed taking through hole and the seed conveying pipe interface through the seed leaking through holes on the fan-shaped blades; an adjusting rod is fixedly installed on the outer wall surface of the inner gear ring, a positioning buckle is hinged and installed at the outer end part of the adjusting rod, an arc-shaped positioning plate is fixedly installed on the outer wall surface of the conical funnel-shaped seed box, positioning bayonets with the same number as the seed leaking through holes with different sizes are formed in the arc-shaped positioning plate, and the positioning buckles are respectively clamped into the positioning bayonets and locked to be matched with the positioning bayonets, so that the multi-row precision dibbling and seeding assembly suitable for seeds with different grain types is.

The invention realizes that one dibble seeding and seed discharging assembly can simultaneously bear multi-row dibble seeding operation, is suitable for dibble seeding of various seeds or seeds with different specifications and sizes, can complete adjustment of plant spacing according to agricultural requirements, has the characteristics of unique, reasonable and compact structure, simple and convenient adjustment operation, strong applicability, wide application range, high generalization degree and reliable operation, and provides technical support for multi-row dibble seeding large-scale seeding agricultural machines.

Drawings

FIG. 1 is a schematic view of the overall structure of a multi-row precision dibbling and seeding assembly suitable for seeds of different grain types;

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

FIG. 3 is a bottom view of the electric motor, circular fixing plate and seed-picking tray shown in FIG. 2 with the adjustable speed motor, circular fixing plate and seed-picking tray removed;

FIG. 4 is a schematic view of an assembly structure of a circular inner base plate, a rack, a cylindrical gear, fan-shaped blades and a seed taking plate;

FIG. 5 is a bottom view of the seed pick tray and fan blades of FIG. 4 with the seed pick tray and fan blades removed;

fig. 6 is a schematic view of an assembly structure of a speed regulating motor and a seed fetching disc.

Description of part numbers in the figures:

1. the seed extracting device comprises a conical funnel-shaped seed box, 2, a conical seed distributing body, 3, a seed leaking through hole, 4, a seed extracting disc, 5, a positioning buckle, 6, an adjusting rod, 7, a speed regulating motor, 8, a circular fixing plate, 9, fan-shaped blades, 10, a positioning bayonet, 11, a supporting rod frame, 12, an arc-shaped positioning plate, 13, a pin shaft, 14, an inner gear ring, 15, a circular inner base plate, 16, a seed conveying pipe connector, 17, a cylindrical gear, 18, a motor shaft, 19, a rack, 20 and a seed extracting through hole.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A multi-row precision dibbling and seed-sowing assembly suitable for seeds of different grain types is characterized in that a conical funnel-shaped seed box 1 is supported and fixedly installed on the upper side part of a circular fixing plate 8 through a supporting rod frame 11, a speed regulating motor 7 is hung and fixedly installed on the central part of the circular fixing plate 8, N seed conveying pipe connectors 16 are uniformly distributed and arranged on the circular fixing plate 8 along the circumferential direction at the same turning radius, a seed taking plate 4 is fixedly installed on a motor shaft 18 of the speed regulating motor 7 at the position above the circular fixing plate 8 coaxially with the circular fixing plate 8 and in parallel with the circular fixing plate 8, N seed taking through holes 20 are uniformly distributed and arranged on the seed taking plate 4 along the same turning radius of the circumferential direction, the turning radius of the seed taking through holes 20 is equal to the turning radius of the seed conveying pipe connectors 16, and the diameter size of the seed conveying pipe connectors 16 is larger than that; the seed sowing device is characterized in that a conical seed distribution body 2 is fixedly arranged on the inner side part of a conical funnel-shaped seed box 1, a circular inner base plate 15 is coaxially and fixedly arranged on the outer part of the bottom end of the conical seed distribution body 2, an inner gear ring 14 is coaxially and rotatably arranged on the circular inner base plate 15 in a reciprocating manner along the circumferential direction, N pin shafts 13 are uniformly arranged on the circular inner base plate 15 and positioned at the inner side part of the inner gear ring 14 along the circumferential direction, a cylindrical gear 17 is rotatably sleeved on the pin shafts 13 in a rotating manner, N racks 19 are uniformly arranged on the circular inner base plate 15 along the circumferential direction and movably and rotatably arranged along the radial direction, the cylindrical gear 17 is respectively meshed with the inner gear ring 14 and the racks 19, fan-shaped blades 9 are fixedly arranged on the lower end parts of the N racks 19 respectively, more than 2 seed leakage through holes 3 with different pore sizes are sequentially formed on the fan-shaped blades 9 along the radial, The fan-shaped blade 9 is in contact fit with the seed taking plate 4, the seed taking plate 4 and the circular fixing plate 8 in an abutting manner, the diameter size of the seed taking through hole 20 is larger than that of the seed leaking through hole 3 with the largest diameter size, and the conical funnel-shaped seed box 1 is communicated with the seed taking through hole 20 and the seed conveying pipe interface 16 in sequence through the seed leaking through hole 3 on the fan-shaped blade 9; an adjusting rod 6 is fixedly installed on the outer wall surface of the inner gear ring 14, positioning buckles 5 are hinged and installed on the outer end portion of the adjusting rod 6, an arc-shaped positioning plate 12 is fixedly installed on the outer wall surface of the conical funnel-shaped seed box 1, positioning bayonets 10 with the same number as 3 seed leaking through holes with different sizes are formed in the arc-shaped positioning plate 12, and the positioning buckles 5 are respectively in clamping locking fit with the positioning bayonets 10.

When the seed taking plate 4 rotates, the rotating speed regulating motor 7 drives the seed taking plate 4 to rotate through the motor shaft 18, when the seed taking through hole 20 on the seed taking plate 4 is coaxially overlapped with the leak hole through hole 3 on the fan-shaped blade 9 and the seed conveying pipe interface 16 on the circular fixing plate 8, seeds in the conical funnel-shaped seed box 1 are dibbled in the strip-shaped seed ditch through the seed leaking through hole 3, the seed taking through hole 20 and the seed conveying pipe interface 16 in sequence under the cooperation of the conical seed distributing body 2, and when the seed taking plate 4 rotates to lead the seed taking through hole 20 to be dislocated with the seed leaking through hole 3 and the seed conveying pipe interface 16, the seed filling and seeding operation is stopped, the intermittent circulation of the seeding, the stopping seeding, the seeding and the stopping operation is realized, and the dibbling of the. When the adjustment for adapting to different seeds or seeds with different specifications is carried out, the positioning buckle 5 is pulled out from the positioning bayonet 10 of the arc-shaped positioning plate 12 by hand, the inner gear ring 14 is rotated on the circular inner base plate 15 by the adjusting rod 6, the rotated inner gear ring 14 simultaneously drives the cylindrical gear 17 meshed with the inner gear ring to rotate, the rotated cylindrical gear 17 drives the fan-shaped blades 9 to move radially relative to the circular inner base plate 15 through the rack 19, the coaxial overlapping of the seed leaking through holes 3 with different aperture sizes on the fan-shaped blades 9 and the seed taking through holes 20 on the seed taking plate 4 is realized and completed according to the adjustment requirement, then the positioning buckle 5 and the corresponding positioning bayonet 10 on the arc-shaped positioning plate 12 are clamped and locked, and the adjustment for adapting to the seeds for multi-row precise dibbling is synchronously. When the large-diameter seed leaking through hole 3 is overlapped and communicated with the seed taking through hole 20, the large-particle seed dibbling device is suitable for large-particle seed dibbling; when the small-diameter seed leaking through hole 3 is overlapped and communicated with the seed taking through hole 20, the small-particle seed dibbling device is suitable for dibbling. According to the dibbling distance requirement of different agricultural crops, combine seeding agricultural implement seeding operation advancing speed, adjust the 18 rotation rate of motor shaft of buncher 17, change the slew velocity of seed-taking disc 4: firstly, when the operation advancing speed of the agricultural implement is high and the rotating speed of the seed taking disc 4 is low, the seed spacing of point sowing is large; secondly, when the operation advancing speed of the agricultural implement is slow and the rotating speed of the seed taking disc 4 is high, the seed spacing of the dibbling is small.

Claims

1. A multi-row precision dibble seeding assembly suitable for seeds with different grain types is characterized in that: a conical funnel-shaped seed box (1) is supported and fixedly arranged on the upper side part of the circular fixing plate (8) through a supporting rod frame (11), a speed regulating motor (7) is hung and fixedly arranged on the central part of the circular fixing plate (8), n seed conveying pipe joints (16) are uniformly distributed on the circular fixing plate (8) along the circumferential direction with the same radius of gyration, a seed picking disc (4) is fixedly arranged on a motor shaft (18) of the speed regulating motor (7) and is positioned above the round fixing plate (8) and coaxial with the round fixing plate (8) and parallel to each other, n seed taking through holes (20) are uniformly distributed on the seed taking plate (4) along the same turning radius in the circumferential direction, the radius of gyration of the seed taking through hole (20) is equal to the radius of gyration of the seed conveying pipe interface (16), the diameter of the seed conveying pipe interface (16) is larger than that of the seed taking through hole (20); the seed sowing device is characterized in that a conical seed distributing body (2) is fixedly arranged on the inner side part of the conical funnel-shaped seed box (1), a circular inner seat plate (15) is coaxially and fixedly arranged on the outer part of the bottom end of the conical seed distributing body (2), an inner gear ring (14) is coaxially arranged on the circular inner seat plate (15) and can rotate in a reciprocating manner along the circumferential direction, N pin shafts (13) are uniformly distributed on the circular inner seat plate (15) along the circumferential direction and positioned at the inner side part of the inner gear ring (14), cylindrical gears (17) are rotatably sleeved on the pin shafts (13), N racks (19) are uniformly distributed on the circular inner seat plate (15) along the circumferential direction and can move in a reciprocating manner along the radial direction, the cylindrical gears (17) are respectively meshed with the inner gear ring (14) and the racks (19), fan-shaped blades (9) are fixedly arranged on the lower end parts of the N racks (19) respectively, and more than 2 seed leaking through holes (3) with different aperture sizes are sequentially arranged, the conical seed distributing body (2) is in contact fit with the fan-shaped blade (9), the fan-shaped blade (9) is in contact fit with the seed taking disc (4), the seed taking disc (4) is in contact fit with the circular fixing plate (8) in sequence, the diameter size of the seed taking through hole (20) is larger than that of the seed leaking through hole (3) with the largest diameter size, and the conical funnel-shaped seed box (1) is communicated with the seed taking through hole (20) and the seed conveying pipe connector (16) in sequence through the seed leaking through hole (3) on the fan-shaped blade (9); an adjusting rod (6) is fixedly installed on the outer wall surface of the inner gear ring (14), a positioning buckle (5) is hinged to the outer end portion of the adjusting rod (6), an arc-shaped positioning plate (12) is fixedly installed on the outer wall surface of the conical funnel-shaped seed box (1), positioning bayonets (10) with the same number as the seed leaking through holes (3) of different sizes are formed in the arc-shaped positioning plate (12), and the positioning buckles (5) are respectively clamped into the positioning bayonets (10) to be locked and matched.