CN107896577B

CN107896577B - Double-roller supporting barrier-free landing seeder

Info

Publication number: CN107896577B
Application number: CN201711128609.7A
Authority: CN
Inventors: 张瑞宏; 蔡广林; 奚小波; 金亦富; 韩宝龙; 焦新安
Original assignee: Nanjing Woyang Machinery Technology Co ltd
Current assignee: Nanjing Woyang Machinery Technology Co ltd
Priority date: 2017-11-15
Filing date: 2017-11-15
Publication date: 2020-07-24
Anticipated expiration: 2037-11-15
Also published as: CN107896577A

Abstract

The invention discloses a double-roller-supported barrier-free landing seeder in the technical field of agricultural machinery, which comprises a liftable seeding frame, wherein a seeding box with a containing cavity is connected to the seeding frame, a plurality of electric seed sowing devices are distributed at the bottom of the seeding box in the length direction, the seed falling port of each electric seed sowing device is right opposite to the ground, the front part of the seeding frame is rotatably connected with a supporting roller, the rear part of the seeding frame is rotatably connected with a supporting press roller, the seeding box is arranged between the supporting roller and the supporting press roller, and the bottom sides of the supporting roller and the supporting press roller are 0-10mm lower than the bottom side of each electric seed sowing device; the invention realizes accurate seed dropping and ensures the sowing depth.

Description

Double-roller supporting barrier-free landing seeder

Technical Field

The present invention relates to a seeding machine, and more particularly to a seeding machine for shallow trench seeding.

Background

At present, crops seeding has extensively realized mechanical operation, ditching earlier before the seeding, sow on the field of having driven the ditch, to sowing in the field of having driven the shallow ditch, the degree of depth of having driven the shallow ditch is 1-3cm, prior art, the seeder includes the seeding case, a plurality of seeding pipes of having arranged in the bottom of seeding case, the seed falls to the field along the seeding pipe, the seeding pipe can take place to rock under the interference of external environment, because the degree of depth of having driven the ditch is very shallow, the seeding pipe only receives the disturbance a little, the height of seeding all can change, the seed that falls down in the seeding pipe can't fall into in the shallow ditch, the depth of planting can not obtain guaranteeing.

Disclosure of Invention

The invention aims to solve the technical problem that accurate seeding cannot be realized in the prior art, and provides a double-roller support barrier-free floor type seeding machine.

The purpose of the invention is realized as follows: the utility model provides a two roller support accessible seeder that falls to ground, includes the seeding frame of liftable, be connected with the seeding case that has the chamber of holding on the seeding frame, a plurality of electronic seed metering wares of having arranged on the length direction in the bottom of seeding case, the mouth of falling of electronic disseminator is just to ground, the front portion of seeding frame rotationally is connected with the backing roll, and the rear portion of seeding frame rotationally is connected with the support compression roller, the seeding case is at the backing roll and support between the compression roller.

The seeder is connected with the traveling device in a suspension way, and the traveling device drives the seeder to travel forwards, wherein the traveling device can be a tractor; the invention carries out seeding operation in a field with ditches already opened, the ditching depth is 1-3cm, the seed falling port of each electric seed sowing device corresponds to a shallow ditch, the seeding frame descends, the seeding frame drives the seeding box, the supporting roller and the supporting press roller to descend, so that the distance between the seed falling port of the electric seed sowing device and the ground is 0-10mm, the supporting roller and the supporting press roller rotate simultaneously along the ground along with the advancing of the walking device and are supported on the ground, and in addition, the supporting press roller presses the ground after sowing; according to the invention, the seeder realizes ground-contacting seeding, the combination of the supporting press roller and the supporting roller enables the electric seeder to be more stable during basic ground-contacting seeding, ensures the seeding depth, provides a stable seed-falling plane, enables seeds to accurately fall into a shallow trench, and has high germination rate and more regular germination; the invention can be applied to the operation of shallow trench seeding.

In order to further improve the stability of seeds during seed dropping, the bottom side of the supporting roller is 2-10mm lower than the bottom side of the electric seed metering device, and the bottom side of the supporting press roller is 2-10mm lower than the bottom side of the electric seed metering device.

In order to realize the lift of planting the frame, still include elevating system, elevating system includes preceding connecting seat and just to the back connecting seat of preceding connecting seat, the stiff end of the articulated linear actuator in top of preceding connecting seat articulates movable rod one end on the preceding connecting seat of the stiff end below of linear actuator, it is articulated with the back connecting seat to go up the movable rod other end, be connected with the telescopic link that can do reciprocal linear motion on the linear actuator, the end that stretches out of telescopic link is articulated with last movable rod, the articulated movable rod one end down in lower part of preceding connecting seat, the other end of lower movable rod is articulated with the lower part of back connecting seat, goes up movable rod, back connecting seat, goes up movable rod and preceding connecting seat and constitutes parallelogram structure.

In order to further improve the reliability of the seeding frame during lifting, the lifting mechanism is provided with 2 seeding boxes which are symmetrically arranged in the length direction.

In order to improve the reliability of the linear motion of the telescopic rod, the linear driver is a hydraulic oil cylinder.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a first perspective view of the present invention.

Fig. 3 is a second perspective view of the present invention.

Fig. 4 is a partial enlarged view a of the present invention.

Wherein, 1 elevating system, 101 down the movable rod, 102 preceding connecting seats, 103 linear actuator, 104 go up the movable rod, 105 telescopic links, 106 back connecting seats, 2 backing rolls, 3 seeding cases, 4 support compression rollers, 5 electronic seed metering wares, 6 kind of mouths of falling.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

As shown in fig. 1-4, a two roller support barrier-free falls to ground seeder, including the seed frame of liftable, be connected with the seeding case 3 that has the chamber of holding on the seed frame, a plurality of electronic seed metering devices 5 have been arranged on the length direction in the bottom of seeding case 3, the mouth of falling 6 of electronic disseminator is just to ground, the front portion of seed frame is rotationally connected with backing roll 2, the rear portion of seed frame is rotationally connected with support compression roller 4, seeding case 3 is between backing roll 2 and support compression roller 4, backing roll 2 and the bottom side of supporting compression roller 4 are less than the bottom side 0-10mm of electronic seed metering device 5.

In order to further improve the stability of seeds during seed dropping, the bottom side of the supporting roller 2 is 2-10mm lower than the bottom side of the electric seed metering device 5, and the bottom side of the supporting press roller 4 is 2-10mm lower than the bottom side of the electric seed metering device 5.

In order to realize the lifting of the seeding rack, the lifting mechanism 1 is further included, the lifting mechanism 1 comprises a front connecting seat 102 and a rear connecting seat 106 which is opposite to the front connecting seat 102, the top of the front connecting seat 102 is hinged with a fixed end of a linear driver 103, one end of an upper movable rod 104 is hinged on the front connecting seat 102 below the fixed end of the linear driver 103, the other end of the upper movable rod 104 is hinged with the rear connecting seat 106, a telescopic rod 105 capable of performing reciprocating linear motion is connected on the linear driver 103, the extending end of the telescopic rod 105 is hinged with the upper movable rod 104, the lower part of the front connecting seat 102 is hinged with one end of a lower movable rod 101, the other end of the lower movable rod 101 is hinged with the lower part of the rear connecting seat 106, and the upper movable rod 104, the rear.

In order to further improve the reliability of the lifting of the seeding rack, 2 lifting mechanisms 1 are arranged and are symmetrically arranged about the center of the seeding box 3 in the length direction.

In this embodiment, the linear actuator 103 is a hydraulic cylinder.

The seeder is connected with the traveling device in a suspension way, and the traveling device drives the seeder to travel forwards, wherein the traveling device can be a tractor; the invention carries out seeding operation in a field with ditches already opened, the ditching depth is 1-3cm, a seed dropping opening 6 of each electric seed sowing device 5 corresponds to a shallow ditch, a seeding frame descends, and the concrete process of the descending of the seeding frame is that the oil inlet amount and the oil outlet amount of a hydraulic oil cylinder are controlled, so that an expansion link 105 of the hydraulic oil cylinder continuously extends out, the downward acting force of the expansion link 105 on an upper movable rod 104 is applied, the upper movable rod 104 and a lower movable rod 101 push a rear connecting seat 106 to descend, the rear connecting seat 106 drives the seeding frame to descend, the seeding frame drives a seeding box 3, a supporting roller 2 and a supporting roller 4 to descend, any action of the hydraulic oil cylinder is stopped, a travelling device advances along the direction of the shallow ditch, the supporting roller 2 and the supporting roller 4 simultaneously rotate along the ground along the advancing direction of the travelling device and are both supported on the ground, the distance range of the bottom sides of the supporting roller 2 and the, the bottom side of the electric seeder is basically flush with the ground, namely, the sowing in the ground is realized, and in addition, the supporting and pressing roller 4 presses the ground on which the seeds are sowed; after seeding is finished, the telescopic rod 105 of the hydraulic oil cylinder is controlled to reversely move, so that the telescopic rod 105 continuously retracts, the telescopic rod 105 drives the upper movable rod 104 to move upwards around the front connecting seat 102, the upper movable rod 104 and the lower movable rod 101 drive the rear connecting seat 106 to ascend, so that the seeding frame is far away from the ground, and the supporting roller 2, the seeding box 3 and the supporting press roller 4 are also far away from the ground along with the seeding frame; according to the invention, the seeder realizes ground-attached seeding, the seeds falling from the seeding port of the electric seeder accurately fall into the opened shallow trench by the combined arrangement of the supporting press roller 4 and the supporting roller 2, a stable seed falling plane is provided, the seeding height is more stable, the seeding depth is ensured, the seeds accurately fall into the shallow trench, the germination rate is high, and the germination is more orderly; the invention can be applied to the operation of shallow trench seeding and solves the technical problem which can not be solved in the prior art.

The present invention is not limited to the above-mentioned embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some substitutions and modifications to some technical features without creative efforts according to the disclosed technical contents, and these substitutions and modifications are all within the protection scope of the present invention.

Claims

1. The utility model provides a two roller support accessible fall to ground seeder which characterized in that: the seeding frame including the liftable, be connected with the seeding case that has the chamber that holds on the seeding frame, a plurality of electronic seed metering wares of having arranged in the length direction in the bottom of seeding case, the seeding mouth of electronic disseminator is just to ground, the front portion of seeding frame rotationally is connected with the backing roll, and the rear portion of seeding frame rotationally is connected with the support compression roller, the seeding case is at the backing roll and supports between the compression roller, the bottom side of backing roll is less than the bottom side 2-10mm of electronic seed metering ware, the bottom side of supporting the compression roller is less than the bottom side 2-10mm of electronic seed metering ware.

2. A twin roll supported clear floor seeder as claimed in claim 1, wherein: still include elevating system, elevating system includes preceding connecting seat and just to the back connecting seat of preceding connecting seat, the stiff end of the articulated linear actuator in top of preceding connecting seat articulates movable rod one end on the preceding connecting seat of the stiff end below of linear actuator, it is articulated with the back connecting seat to go up the movable rod other end, be connected with the telescopic link that can do reciprocal linear motion on the linear actuator, the end that stretches out of telescopic link is articulated with last movable rod, the articulated movable rod one end down in lower part of preceding connecting seat, the other end of lower movable rod is articulated with the lower part of back connecting seat, goes up movable rod, back connecting seat, goes up movable rod and preceding connecting seat and constitutes the parallelogram structure.

3. A twin roll supported clear floor seeder as claimed in claim 2, wherein: the elevating system is provided with 2 and sets up about seeding case central symmetry on length direction.

4. A twin roll supported clear floor seeder as claimed in claim 2, wherein: the linear driver is a hydraulic oil cylinder.