CN112889416A

CN112889416A - Seeding and variable rate fertilization synchronous operation assembly

Info

Publication number: CN112889416A
Application number: CN202110295268.2A
Authority: CN
Inventors: 唐汉; 徐常塑; 王金武; 徐亚男; 姜岩; 韩长生
Original assignee: Northeast Agricultural University
Current assignee: Northeast Agricultural University
Priority date: 2021-03-19
Filing date: 2021-03-19
Publication date: 2021-06-04

Abstract

A seeding and variable fertilizing synchronous operation assembly, belonging to agricultural machinery; a fertilizer box assembly is movably mounted on a base plate of an inverted N-shaped fertilizer box frame, N fertilizer outlets with different diameters are formed in the base plate of the N-shaped fertilizer box frame, a fertilizer outlet branch pipe communicates the fertilizer outlets with a fertilizer main pipe, a seed shaft is rotatably assembled on the fertilizer box assembly, a seed metering device with a seed guide pipe and a triangle star-shaped driven frame are respectively mounted at two ends of the seed shaft, a nut seat assembled with a lead screw is fixedly mounted on the fertilizer box assembly, a handle is rotatably mounted on a vertical wall of the N-shaped fertilizer box frame and connected with the lead screw, a groove-shaped driving machine frame with a rotary power input shaft is fixedly mounted on the lower portion of the base plate of the N-shaped fertilizer box frame, and the rotary power input shaft is connected with the seed metering shaft through the triangle star-shaped driving frame, a first crank arm, a triangle star-shaped connecting frame, a second crank arm and the triangle star-shaped driven frame; the assembly has reasonable and compact structure, simple, convenient and quick variable fertilization adjustment operation and wide application range.

Description

Seeding and variable rate fertilization synchronous operation assembly

Technical Field

The invention belongs to agricultural machinery, and mainly relates to a seeding and variable fertilizing combined operation unit.

Background

The structure for simultaneously assembling a seed sowing device and a fertilizer applicator on the existing seeding machine to complete seeding and fertilizing in one-time operation is a universal standard design. However, the seeding apparatus and the fertilizer applicator are independent, single and split assemblies, so that the seeding and fertilizer applicator is not compact in structure, difficult to arrange overall and large in occupied space when being arranged; in addition, when the fertilizing amount needs to be adjusted according to different crops and soil conditions, the operation is complicated, the efficiency is low, and the labor intensity is high.

Disclosure of Invention

The invention aims to solve the problems in the prior art, researches and designs a seeding and variable fertilizing synchronous operation assembly by combining actual requirements of seeding and variable fertilizing operation, and achieves the purposes of compact structure and simple and convenient variable fertilizing adjustment operation.

The invention aims to realize that a fertilizer box assembly is movably arranged on a bottom plate of an inverted N-shaped fertilizer box frame through a sliding chute, N fertilizer outlets with different diameters are sequentially arranged on the bottom plate of the N-shaped fertilizer box frame, fertilizer outlets on the lower part of the fertilizer box assembly are sequentially and respectively communicated with the N fertilizer outlets in an overlapping way, fertilizer branch pipes are respectively assembled on the lower parts of the fertilizer outlets and communicated with each other, a fertilizer main pipe is arranged on the fertilizer outlet ends of the fertilizer branch pipes, a seed sowing shaft is rotatably assembled on the fertilizer box assembly, a seed sowing device with a seed guiding pipe is arranged on the outer end part of the seed sowing shaft, a star-shaped triangular driven frame is fixedly arranged on the inner end part of the seed sowing shaft, a nut seat is fixedly arranged on the fertilizer box assembly, a screw rod is arranged on the nut seat, a handle is rotatably assembled on the vertical wall of the assembled N-shaped fertilizer box frame, and the handle is connected with the screw rod; a groove-shaped driving machine frame is fixedly arranged on the lower portion of a base plate of the n-shaped fertilizer box frame, a rotary power input shaft is rotatably assembled on a vertical arm on the outer side of the groove-shaped driving machine frame and is parallel to the axial lead of the seed sowing shaft, a triangular star-shaped driving frame is fixedly arranged at the inner end portion of the rotary power input shaft, a triangular star-shaped connecting frame is rotatably hinged and arranged on the triangular star-shaped driving frame through a first crank arm, and the triangular star-shaped driven frame is rotatably hinged and connected with the triangular star-shaped connecting frame through a second crank arm, so that a seeding and variable fertilizing synchronous operation assembly is formed.

The invention assembles the seed sowing device and the fertilizer box assembly on the same frame, can conveniently realize variable fertilization adjustment and sowing power transmission, and has the characteristics of novel, reasonable and compact structure, simple, convenient and quick variable fertilization adjustment operation, wide application range and high generalization degree.

Drawings

FIG. 1 is a left-view three-dimensional schematic diagram of the overall structure of a seeding and variable fertilizing synchronous operation assembly;

FIG. 2 is a right three-dimensional view of the overall structure of the seeding and variable fertilizing synchronous operation assembly;

FIG. 3 is a top partial schematic view of FIG. 1;

FIG. 4 is a schematic view of the connection structure of the rotary power input shaft and the seed metering shaft.

Description of part numbers in the figures:

1. the seed metering device comprises a seed metering device body, 2 seed metering shafts, 3 n-shaped fertilizer box frames, 4 lead screws, 5 nut seats, 6 fertilizer box assemblies, 7 second crank arms, 8 triangular star-shaped connecting frames, 9 first crank arms, 10 rotary power input shafts, 11 triangular star-shaped driving frames, 12 triangular star-shaped driven frames, 13 handles, 14 groove-shaped driving machine frames, 15 sliding chutes, 16 fertilizer distributing branch pipes, 17 fertilizer distributing ports, 18 fertilizer distributing main pipes, 19 fertilizer distributing guide pipes.

Detailed Description

The following detailed description of the inventive embodiments is provided in connection with the accompanying drawings. A seeding and variable fertilizing synchronous operation assembly is characterized in that a fertilizer box assembly 6 is movably mounted on a bottom plate of an inverted N-shaped fertilizer box frame 3 through a sliding chute 15, N fertilizer outlets 17 with different diameters are sequentially formed in the bottom plate of the N-shaped fertilizer box frame 3, fertilizer outlets on the lower portion of the fertilizer box assembly 6 are sequentially and respectively communicated with the N fertilizer outlets 17 in an overlapping mode, fertilizer branch pipes 16 which are communicated with each other are mounted on the lower portion of each fertilizer outlet 17 respectively, a fertilizer main pipe 18 is mounted on the fertilizer outlet end of each fertilizer branch pipe 16, a seed sowing shaft 2 is rotatably mounted on the fertilizer box assembly 6, a seed sowing device 1 with a seed guiding pipe 19 is mounted on the outer end portion of the seed sowing shaft 2, a triangle star-shaped driven frame 12 is fixedly mounted on the inner end portion of the seed sowing shaft 2, a nut seat 5 is fixedly mounted on the fertilizer box assembly 6, a lead screw 4 is mounted on the nut seat 5, a handle 13 is rotatably mounted on the vertical wall of the N-shaped fertilizer box frame 3, the handle 13 is connected with the screw rod 4; a groove-shaped driving machine frame 14 is fixedly arranged on the lower portion of a bottom plate of the n-shaped fertilizer box frame 3, a vertical arm on the outer side of the groove-shaped driving machine frame 14 is parallel to the axial lead of the seed sowing shaft 2 and is rotatably provided with a rotary power input shaft 10, a triangular star-shaped driving frame 11 is fixedly arranged at the inner end portion of the rotary power input shaft 10, a triangular star-shaped connecting frame 8 is rotatably hinged and arranged on the triangular star-shaped driving frame 11 through a first crank arm 9, and a triangular star-shaped driven frame 12 is rotatably hinged and connected with the triangular star-shaped connecting frame 8 through a second crank arm 7.

During operation, the external rotary power sequentially passes through the rotary power input shaft 10, the triangle star-shaped driving frame 11, the first crank arm 9, the triangle star-shaped connecting frame 8, the second crank arm 7 and the triangle star-shaped driven frame 12 to drive the seed sowing shaft 2 to rotate, so that seeds in the seed sowing device 1 are sowed into seedbed soil through the seed guiding pipe 19, and meanwhile, fertilizer in the fertilizer box assembly 6 is arranged and applied into a fertilizer ditch of the soil from the fertilizer outlet 17 through the fertilizer branch pipe 16 and the fertilizer main pipe 18. When the fertilizing amount needs to be adjusted, the rotating handle 13 drives the screw rod 4 to rotate, the fertilizer box assembly 6 is driven to move on the n-shaped fertilizer box frame 3 through the nut seat 5 under the control of the sliding groove 15, a fertilizer outlet of the fertilizer box assembly 6 is respectively communicated with fertilizer outlets 17 with different diameters and sizes on a bottom plate of the n-shaped fertilizer box frame 3, adjustment of different fertilizing amounts is completed, and the seed sowing shaft 2, the triangle star-shaped driven frame 12, the triangle star-shaped connecting frame 8 and the triangle star-shaped driving frame 11 are in a follow-up state through the second crank arm 7 and the first crank arm 9. When the fertilizer outlet of the fertilizer box assembly 6 is adjusted to be positioned between two adjacent fertilizer outlets 17 with different diameters, the fertilizer application operation is stopped.

Claims

1. The utility model provides a seeding and synchronous operation assembly of variable rate fertilization which characterized in that: a fertilizer box assembly (6) is movably mounted on a bottom plate of an inverted N-shaped fertilizer box frame (3) through a sliding groove (15), N fertilizer outlets (17) with different diameters and sizes are sequentially formed in the bottom plate of the N-shaped fertilizer box frame (3), fertilizer outlets on the lower portion of the fertilizer box assembly (6) are sequentially and respectively communicated with the N fertilizer outlets (17) in an overlapping mode, fertilizer branch pipes (16) are respectively mounted on the lower portion of each fertilizer outlet (17) in a mutually communicated mode, a fertilizer main pipe (18) is mounted on the fertilizer discharging end of each fertilizer branch pipe (16), a seed discharging shaft (2) is rotatably mounted on the fertilizer box assembly (6), a seed metering device (1) with a seed guide pipe (19) is mounted on the outer end portion of the seed discharging shaft (2), a triangular star-shaped driven frame (12) is fixedly mounted on the inner end portion of the seed discharging shaft (2), a nut seat (5) is fixedly mounted on the fertilizer box assembly (6), and a lead screw (4) is mounted on the nut seat (5), a handle (13) is rotatably assembled on the vertical wall of the n-shaped fertilizer box frame (3), and the handle (13) is connected with a screw rod (4); a groove-shaped driving machine frame (14) is fixedly installed on the lower portion of a bottom plate of the n-shaped fertilizer box frame (3), a rotary power input shaft (10) is rotatably assembled on a vertical arm on the outer side of the groove-shaped driving machine frame (14) and is parallel to the axial lead of the seed sowing shaft (2), a triangular star-shaped driving frame (11) is fixedly installed on the inner end portion of the rotary power input shaft (10), a triangular star-shaped connecting frame (8) is rotatably hinged and installed on the triangular star-shaped driving frame (11) through a first connecting lever (9), and the triangular star-shaped driven frame (12) is rotatably hinged and connected with the triangular star-shaped connecting frame (8) through a second connecting lever (7).