CN114868491B

CN114868491B - Bevel gear transmission driving type corn multi-row simultaneous sowing precision seed sowing device

Info

Publication number: CN114868491B
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: 2022-11-18
Anticipated expiration: 2042-04-14
Also published as: CN114868491A

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 synchronous seeding operation of multiple rows of seeds on the same mechanical seeding device, meets the mounting and matching requirements of large-scale multiple-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 drive type corn multi-row simultaneous sowing precision seed-metering 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 operation in China, land is concentrated to planting households, and urgent requirements are put forward for large-scale corn sowing 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 sowing devices can only be assembled on the multi-row seeding machine in sequence, namely, the single-row mechanical corn seed sowing devices with the same number as the number of the operation rows are assembled according to the number of the operation rows, so that not only is the whole machine difficult to assemble and install, but also the structure is complex, the machine is greatly increased, the manufacturing cost is improved, the seeding operation quality is difficult to unify and ensure, 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 purpose of the invention is realized by the following steps: the upper side part and the lower side part of the frame assembly are respectively supported and fixedly installed with an annular seed box and a hanging and fixedly installed pipe frame, the seed adding hole is arranged on the upper wall of the annular seed box, 4 seed leaking holes are uniformly distributed and opened on the bottom wall of the annular seed box along the circumferential direction, 4 limiting groove plates are uniformly distributed and fixedly arranged 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, a seed conveying monomer with a seed conveying hole is arranged in the limiting groove plate groove in a way of radial reciprocating motion, the seed delivery holes and the seed discharge holes on the bottom wall of the annular seed box are in up-down overlapped communication fit or in up-down staggered closed fit, 4 positive and negative bidirectional screw shafts are uniformly and radially arranged and rotatably arranged on the machine frame assembly and between the lower part of the annular seed box and the upper part of the pipe frame along the circumferential direction, the inner end parts of the 4 positive and negative bidirectional screw shafts are respectively fixedly provided with a driven bevel gear, a driving sleeve is sleeved on the positive and negative bidirectional screw shafts in an axially movable manner, the inner wall surface of the drive sleeve hole is provided with a reversing drive block which can be axially movably inserted into a spiral groove of the forward and reverse bidirectional spiral shaft, a connecting frame connects the drive sleeve and the seed conveying monomer into a whole, two ends of 4 seed guide pipes are respectively fixedly arranged on a frame assembly and a pipe frame, a V-shaped funnel is arranged on the seed inlet end part of the seed guide pipe, the V-shaped funnel is in overlapped communication fit up and down or in staggered closed fit up and down with the seed conveying holes on the seed conveying single body, a motor is fixedly arranged on the central part of the frame assembly, a driving bevel gear is fixedly arranged on a motor shaft of the motor, the driving bevel gear is constantly meshed with the driven bevel gear, so that the bevel gear transmission driving type corn multi-row simultaneous sowing precision seed-metering 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 the FIG. 1 ring seed case 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 the 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 simultaneous sowing precision seed-metering device is characterized in that an upper side part and a lower side part 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, a seed adding hole 2 is arranged on the upper wall of the annular seed box 1,4 seed leaking holes 11 and 4 limit groove plates 14 are uniformly distributed on the bottom wall of the annular seed box 1 along 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 installed in the grooves of the limit groove plates 14 in a radial reciprocating motion manner, the seed conveying holes 12 and the seed leaking holes 11 on the bottom wall of the annular seed box 1 are in overlapped communication or staggered closed fit up and down, and are uniformly distributed along the circumferential direction, radially configured and rotatably installed with 4 bidirectional positive and negative screw shafts 6 at the positions between the lower part of the annular seed box 1 and the upper part of the annular pipe frame 4 on the frame assembly 16, the driven bevel gears 8 are respectively fixedly arranged at the inner end parts of the 4 forward and reverse bidirectional screw shafts 6, the driving sleeve 7 is sleeved on the forward and reverse bidirectional screw shafts 6 in an axially movable manner, the 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 inserted and arranged in a spiral groove of the forward and reverse bidirectional screw shafts 6 in an axially movable manner, the driving sleeve 7 and the seed conveying monomer 13 are connected into a whole by the connecting frame 5, the two ends of the 4 seed guide pipes 3 are respectively and fixedly arranged on the frame assembly 16 and the frame 4, the V-shaped funnel 15 is arranged at the seed inlet end part of the seed guide pipe 3, the V-shaped funnel 15 and the seed conveying hole 12 on the seed conveying monomer 13 are in up-down overlapped communication fit or up-down staggered closed fit, the motor 10 is fixedly arranged at the central part of the frame assembly 16, the 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 embodiment can synchronously complete the sowing operation of 4 rows of corn seeds.

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 driving bevel gear 9 rotates to drive 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 single bodies 13 to do linear reciprocating motion parallel to the axial leads of the forward and reverse bidirectional screw shafts 6 in the limiting groove plate 14, when the seed conveying holes 12 in the seed conveying single bodies 13 are vertically overlapped with the seed leaking holes 11 in the bottom wall of the annular seed box 1, the corn seeds in the annular seed box 1 fall into the seed conveying holes 12 through the seed leaking holes 11 to complete seed charging, and then when the seed conveying holes 12 containing the corn seeds move to the positions above the V-shaped funnel 15 along with the seed conveying single bodies 13, the corn seeds fall into the V-shaped funnel 15 from the seed conveying holes 12 and are discharged through the seed guide pipe 3, and four-row corn co-seeding operation is completed. 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 multirow coculture of bevel gear transmission drive formula maize which characterized in that: support respectively on the last lateral part and the downside of ware frame assembly (16) and adorn annular seed case (1) admittedly and hang solid dress pipe support (4), with hole (2) set up on annular seed case (1) upper wall 4 hourglass hole (11) are seted up along the circumferencial direction equipartition on annular seed case (1) diapire, 4 limit slot board (14) circumference equipartition admittedly are on annular seed case (1) diapire lower wall, and lie in the below position department of 4 hourglass hole (11) respectively the fortune kind monomer (13) that have fortune hole (12) can be installed to limit slot board (14) recess radial reciprocating motion ground, on fortune hole (12) and hourglass hole (11) on annular seed case (1) diapire overlap the cooperation or misplace from top to bottom and seal the cooperation from top to bottom, on ware frame assembly (16), lie in annular seed case (1) below and 4) between the position department along circumferencial direction equipartition, positive and negative radial configuration, and rotationally install 4 two-way directional spiral shaft drive shaft sleeve piece (6) are in two-way spiral shaft drive shaft sleeve (6) upper end portion 17, two-way drive spiral shaft drive shaft sleeve piece (6) is respectively and two-way drive spiral shaft sleeve (17) can move on the spiral shaft sleeve (17) and two-way drive shaft sleeve piece (17) and move, the driving sleeve (7) and the seed conveying monomer (13) are connected into a whole by the connecting frame (5), two ends of 4 seed guiding pipes (3) are fixedly installed on the frame assembly (16) and the pipe frame (4) respectively, the V-shaped funnel (15) is assembled on the seed feeding end part of the seed guiding pipe (3), the V-shaped funnel (15) and the seed conveying hole (12) on the seed conveying monomer (13) are in overlapped communication and matching up and down or in staggered closed matching up and down, the motor (10) is fixedly installed at the center part of the frame assembly (16), the driving bevel gear (9) is fixedly installed on a motor shaft of the motor (10), and the driving bevel gear (9) is normally meshed with the driven bevel gear (8).