CN114868491A

CN114868491A - Bevel gear transmission driving type corn multi-row simultaneous sowing precision seed sowing device

Info

Publication number: CN114868491A
Application number: CN202210391191.3A
Authority: CN
Inventors: 唐汉; 徐文龙; 徐福东; 王金武; 赵佳乐; 王庆杰; 王奇; 周文琪
Original assignee: Northeast Agricultural University
Current assignee: Northeast Agricultural University
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-09
Anticipated expiration: 2042-04-14
Also published as: CN114868491B

Abstract

Bevel gear transmission drive type corn multi-row simultaneous sowing precision seed-metering device belongs to agricultural machinery; an annular seed box, a pipe frame, a motor and 4 positive and negative bidirectional screw shafts are respectively arranged on a machine frame assembly, 4 limit groove plates are fixedly arranged on the bottom wall of the annular seed box, a seed conveying monomer with a seed conveying hole is assembled on the limit groove plates, a driven bevel gear is fixedly arranged at the end parts of the positive and negative bidirectional screw shafts, a driving sleeve is sleeved on the positive and negative bidirectional screw shafts, a reversing driving block is arranged on the inner wall surface of the hole of the driving sleeve, the reversing driving block is inserted and assembled in a spiral groove of the positive and negative bidirectional screw shafts, a connecting frame connects the driving sleeve with the seed conveying monomer, 4 seed guide pipes with V-shaped funnels are respectively fixedly arranged on the machine frame assembly and the pipe frame, and a driving bevel gear is fixedly arranged on the motor; the seeding device realizes the seeding operation of multi-row seeds synchronously completed on the same mechanical seeding device, meets the mounting and matching requirements of large multi-row mechanical seeding machines, and has the advantages of convenient whole machine configuration, low manufacturing and maintenance cost, good operation quality and high efficiency.

Description

Bevel gear transmission driving type corn multi-row simultaneous sowing precision seed sowing device

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a mechanical precision seed sowing device which realizes multi-row synchronous sowing operation of corn by bevel gear transmission driving.

Background

The traditional mechanical corn seed sowing device can only undertake and complete single-row sowing operation. In recent years, with the development of intensive management in China, land is concentrated to planting farmers, and urgent requirements are put forward for large-scale corn seeding operation machines with high operation efficiency and high technology level. In order to meet the requirements of multi-row large-scale corn seeding operation machines, at present, a plurality of existing single-row mechanical corn seed metering devices can only be assembled on the multi-row seeding machine in sequence, namely, the single-row mechanical corn seed metering devices with the same number as the number of the operation rows are assembled according to the number of the operation rows, so that the whole machine is difficult to assemble and install, the structure is complex, the weight of the machine is greatly increased, the manufacturing cost is improved, the seeding operation quality is difficult to unify and guarantee, the failure rate is increased, and the maintenance cost is increased.

Disclosure of Invention

The invention aims to solve the problems in the prior art, and researches and designs a bevel gear transmission drive type corn multi-row simultaneous-sowing precision seed-metering device by combining the practical requirements of current agricultural production on large multi-row corn sowing operation machinery, so as to achieve the purposes of realizing one-machine multi-row synchronous sowing operation, facilitating the configuration and installation on large multi-row mechanical sowing machines, simplifying machine structure, reducing manufacturing and maintenance cost, ensuring the sowing operation quality and reducing operation use faults.

The invention aims to realize that an annular seed box and a hanging and fixing pipe frame are respectively supported and fixedly installed on the upper side part and the lower side part of a machine frame assembly, a seed feeding hole is arranged on the upper wall of the annular seed box, 4 seed leaking holes are uniformly distributed and arranged on the bottom wall of the annular seed box along the circumferential direction, 4 limiting groove plates are uniformly distributed and fixedly installed on the lower wall surface of the bottom wall of the annular seed box along the circumferential direction and are respectively positioned at the lower parts of the 4 seed leaking holes, seed conveying monomers with the seed conveying holes are radially and reciprocally installed in the grooves of the limiting groove plates, the seed conveying holes and the seed leaking holes on the bottom wall of the annular seed box are in vertically overlapped communication fit or vertically staggered closed fit, 4 forward and reverse bidirectional screw shafts are uniformly distributed and radially arranged at the part between the lower part of the annular seed box and the upper part of the pipe frame assembly along the circumferential direction and rotatably installed, driven bevel gears are respectively and fixedly installed on the inner end parts of the 4 forward and reverse bidirectional screw shafts, the driving sleeve is sleeved on the forward and reverse two-way screw shaft in an axially movable manner, a reversing driving block is arranged on the inner wall surface of a sleeve hole of the driving sleeve, the reversing driving block is inserted into a spiral groove of the forward and reverse two-way screw shaft in an axially movable manner, the driving sleeve and the seed conveying monomer are connected into a whole by a connecting frame, two ends of 4 seed guiding pipes are fixedly arranged on a frame assembly and a pipe frame respectively, a V-shaped funnel is assembled on a seed guiding pipe seed feeding end part, the V-shaped funnel and the seed conveying holes on the seed conveying monomer are in overlapped up and down communication matching or staggered up and down closed matching, a motor is fixedly arranged at the central part of the frame assembly, a driving bevel gear is fixedly arranged on a motor shaft of the motor, and the driving bevel gear is normally meshed with a driven bevel gear, so that the bevel gear transmission driving type multi-row precision corn seeding device is formed.

The invention realizes the seeding operation of multiple rows of corn seeds synchronously on the same mechanical seed sowing device by adopting a bevel gear transmission and driving mode, has novel, unique and reasonable structure, good seeding operation quality, high efficiency and few use faults, is particularly suitable for and meets the mounting and matching requirements of large-scale multiple-row corn mechanical seeding machines, and has simple and convenient whole machine configuration, light weight and low manufacturing and maintenance cost.

Drawings

FIG. 1 is a three-dimensional schematic diagram of the general structure of a bevel gear transmission drive type corn multi-row simultaneous sowing precision seed-metering device;

FIG. 2 is a two-dimensional schematic diagram of the general structure of a bevel gear transmission drive type corn multi-row simultaneous sowing precision seed-metering device;

FIG. 3 is a top view of FIG. 1 with the annular seed box removed;

FIG. 4 is an enlarged view of portion A of FIG. 1;

fig. 5 is an enlarged view of a portion B in fig. 1.

Description of part numbers in the figures:

1. annular seed box, 2, seed feeding hole, 3, seed guide pipe, 4, pipe frame, 5, connecting frame, 6, positive and negative bidirectional screw shaft, 7, driving sleeve, 8, driven bevel gear, 9, driving bevel gear, 10, motor, 11, seed discharge hole, 12, seed conveying hole, 13, seed conveying monomer, 14, limiting groove plate, 15, V-shaped funnel, 16, pipe frame assembly, 17 and reversing driving block.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A bevel gear transmission drive type corn multi-row co-sowing precision seed sowing device is characterized in that an upper side portion and a lower side portion of a frame assembly 16 are respectively supported and fixedly installed with an annular seed box 1 and hung and fixedly installed with a pipe frame 4, seed feeding holes 2 are arranged on the upper wall of the annular seed box 1, 4 seed leaking holes 11 are uniformly distributed on the bottom wall of the annular seed box 1 along the circumferential direction, 4 limiting groove plates 14 are uniformly distributed on the lower wall surface of the bottom wall of the annular seed box 1 in the circumferential direction and fixedly installed on the lower wall surface of the bottom wall of the annular seed box 1 and are respectively positioned at the lower parts of the 4 seed leaking holes 11, seed conveying monomers 13 with seed conveying holes 12 are radially and reciprocally installed in grooves of the limiting groove plates 14, the seed conveying holes 12 and the seed leaking holes 11 on the bottom wall of the annular seed box 1 are in an up-down overlapped communicated fit or a vertically staggered closed fit, and positions between the lower part of the annular seed box 1 and the upper part of the pipe frame 4 are uniformly distributed on the frame assembly 16 along the circumferential direction, The four-screw-type seed sowing machine is characterized in that 4 forward and reverse two-way screw shafts 6 are radially and rotatably arranged, driven bevel gears 8 are fixedly arranged at the inner end parts of the 4 forward and reverse two-way screw shafts 6 respectively, a driving sleeve 7 is axially movably sleeved on the forward and reverse two-way screw shafts 6, a reversing driving block 17 is arranged on the inner wall surface of a sleeve hole of the driving sleeve 7, the reversing driving block 17 is axially movably inserted into a spiral groove arranged on the forward and reverse two-way screw shafts 6, the driving sleeve 7 and a seed conveying monomer 13 are connected into a whole by a connecting frame 5, two ends of 4 seed guiding pipes 3 are fixedly arranged on a frame assembly 16 and a pipe frame 4 respectively, a V-shaped funnel 15 is arranged on the seed feeding end part of the seed guiding pipe 3, the V-shaped funnel 15 and a seed conveying hole 12 on the seed conveying monomer 13 are in up-down overlapped communicated matching or up-down staggered closed matching, a motor 10 is fixedly arranged at the central part of the frame assembly 16, and a driving bevel gear 9 is fixedly arranged on a motor shaft of the motor 10, the driving bevel gear 9 is constantly meshed with the driven bevel gear 8.

The present embodiment can synchronously complete 4 rows of corn seed sowing operation.

During operation, corn seeds are added into the annular seed box 1 from the seed adding hole 2, the starting motor 10 drives the driving bevel gear 9 to rotate, the rotating motion of the driving bevel gear 9 drives the forward and reverse bidirectional screw shafts 6 to rotate through the driven bevel gear 8, the forward and reverse bidirectional screw shafts 6 in the rotation motion sequentially pass through the reversing driving block 17, the driving sleeve 7 and the connecting frame 5 to drive the seed conveying monomer 13 to do linear reciprocating motion parallel to the axial lead of the forward and reverse bidirectional screw shafts 6 in the limiting groove plate 14, when the seed conveying hole 12 on the seed conveying monomer 13 is vertically overlapped with the seed leaking hole 11 on the bottom wall of the annular seed box 1, the corn seeds in the annular seed box 1 fall into the seed conveying hole 12 through the seed leaking hole 11 to complete seed charging, and then when the seed conveying hole 12 containing the corn seeds runs to the position above the V-shaped funnel 15 along with the seed conveying monomer 13, the corn seeds fall into the V-shaped funnel 15 from the seed conveying hole 12 and are discharged through the seed guiding pipe 3, and completing four-row simultaneous sowing operation of the corn. And continuously working in a reciprocating cycle in sequence.

According to the requirement of the number of simulcast lines, the adaptive change design of other simulcast lines can be realized on the basis of the embodiment.

The device can also be used for multi-row simultaneous sowing operation of other types of crop seeds.

Claims

1. The utility model provides a smart volume seed metering ware of multiple row of maize of bevel gear transmission drive formula which characterized in that: the seed conveying device is characterized in that an upper side portion and a lower side portion of a rack assembly (16) are respectively supported and fixedly installed with an annular seed box (1) and hung and fixedly installed with a pipe rack (4), seed feeding holes (2) are arranged on the upper wall of the annular seed box (1), 4 seed leaking holes (11) are uniformly distributed on the bottom wall of the annular seed box (1) along the circumferential direction, 4 limiting groove plates (14) are uniformly distributed and fixedly installed on the lower wall surface of the bottom wall of the annular seed box (1) and are respectively positioned at lower positions of the 4 seed leaking holes (11), seed conveying monomers (13) with seed conveying holes (12) are installed in grooves of the limiting groove plates (14) in a radially reciprocating mode, the seed conveying holes (12) are in overlapped communicated fit or staggered closed fit with the seed leaking holes (11) on the bottom wall of the annular seed box (1) in an up-down mode, and positions uniformly distributed between the lower position of the annular seed box (1) and the upper portion of the pipe rack (4) on the rack assembly (16) along the circumferential direction, The seed sowing machine is characterized in that 4 forward and reverse two-way screw shafts (6) are radially and rotatably arranged, driven bevel gears (8) are fixedly arranged at the inner end parts of the 4 forward and reverse two-way screw shafts (6) respectively, a driving sleeve (7) can be axially movably sleeved on the forward and reverse two-way screw shafts (6), a reversing driving block (17) is arranged on the inner wall surface of a sleeve hole of the driving sleeve (7), the reversing driving block (17) can be axially movably inserted into a spiral groove of the forward and reverse two-way screw shafts (6), the driving sleeve (7) and a seed conveying monomer (13) are connected into a whole by a connecting frame (5), two ends of 4 seed guide pipes (3) are fixedly arranged on a frame assembly (16) and a pipe frame (4) respectively, a V-shaped funnel (15) is arranged on the seed feeding end part of the seed guide pipe (3), the V-shaped funnel (15) and a seed conveying hole (12) on the seed conveying monomer (13) are in an up-and-down overlapped communicated or staggered closed fit up and down, a motor (10) is fixedly arranged at the central part of the frame assembly (16), a driving bevel gear (9) is fixedly arranged on a motor shaft of the motor (10), and the driving bevel gear (9) is constantly meshed with a driven bevel gear (8).