CN217657010U

CN217657010U - Staggered throwing no-tillage seed furrow cleaning device

Info

Publication number: CN217657010U
Application number: CN202122973542.5U
Authority: CN
Inventors: 袁盼盼; 朱兴亮; 尤佳; 韩长杰; 张学军; 仇世龙; 徐阳
Original assignee: Xinjiang Agricultural University
Current assignee: Xinjiang Agricultural University
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-10-28
Anticipated expiration: 2031-11-30

Abstract

The utility model discloses a no-tillage seed furrow cleaning device that alternating expression was shed relates to agricultural machine and equips technical field. The no-tillage seed furrow cleaning device comprises a connecting mounting plate, a flange plate, a hydraulic motor, a rotating shaft, a cutter head, a right blade, a left blade and the like, wherein the right blade and the left blade are circumferentially mounted on two sides of the cutter head in an equidistant and staggered manner, and an inclination angle is formed by bending a mounting part and a working part of the right blade and the left blade. The right blade, the left blade and the cutter head are connected through 2 groups of mounting bolts, the dismounting is simple and convenient, the blades are convenient to replace, and the flange plates are symmetrically distributed on two sides of the cutter head and used for supporting and mounting the rotating shaft. Power is provided by a hydraulic motor, and sundries such as straws, residual films and the like in the seed ditches of the right blades and the left blades which are installed on the cutter head in a staggered mode are respectively thrown to the earth surfaces on the two sides outside the seed ditches under the action of centrifugal force, so that the problem that the emergence rate is influenced by the fact that seeds are aerial and coated by the residual films of the straws is solved.

Description

Staggered throwing no-tillage seed furrow cleaning device

Technical Field

The utility model relates to the technical field of agricultural machinery equipment, specifically a no-tillage seed furrow cleaning device that alternating expression was shed.

Background

In the no-tillage seeding process, the sundries in the seed ditch directly influence the no-tillage seeding quality. Under the condition of high water content of the straws or large amount of the straws, partial straws cannot be cut by the straw cutting disc on the no-tillage seeding machine and are pressed into the seed trench processed by the furrow opener, so that the seeds discharged by the seed sowing pipe are sown on the straws in the seed trench, and the phenomenon that the seeds are lifted by the straws is caused. In addition, the soil plough layer in northwest areas contains broken pieces and residual films which are accumulated for many years and are difficult to recover, and partial seeds can be sown on the residual films in the seed ditches, so that the seeds are coated by the residual films, the seeds can not emerge any more, and the emergence rate is influenced.

Therefore, aiming at the problems that the seeds are overhead and coated by residual films of the straws in the no-tillage seeding process, the staggered throwing no-tillage seed furrow cleaning device is provided, after the seed furrow is processed by the furrow opener, the staggered throwing no-tillage seed furrow cleaning device works, the residual films and the straws in the seed furrow are thrown out of the seed furrow before the seeds fall into the seed furrow, and a clean working environment is provided for seeding operation.

Disclosure of Invention

An object of the utility model is to provide a no-tillage seed furrow cleaning device that alternating expression was shed, with debris from the interior clearance of seed furrow spill the outer both sides earth's surface of seed furrow.

The utility model provides a technical scheme that its technical problem adopted is: the staggered-scattering no-tillage seed furrow cleaning device is arranged behind the furrow opener of the seeder to clean straws and residual films in the seed furrow out of the seed furrow. The staggered-scattering no-tillage seed furrow cleaning device comprises a connecting mounting plate 1, a flange 6, a hydraulic motor 7, a cutter head 8, a right blade 9, a left blade 11 and the like. The connecting and mounting plate 1 is connected with the bearing seat mounting plate 3 through the hinge bolt 2, the bearing with the seat 4 is mounted on the bearing seat mounting plate 3, the hydraulic motor 7 is connected with the rotating shaft 5, and the flange plate 6, the cutter head 8 and the bearing with the seat 4 are sequentially mounted on the rotating shaft 5. The right blades 9 and the left blades 11 are circumferentially installed on the cutter head 8 in an equidistant and staggered manner and are distributed on two sides of the cutter head 8 in a staggered manner, and included angles are formed between the right blades 9 and the left blades 11 in the vertical direction. Power is provided by hydraulic motor 7, and hydraulic motor 7 drive axis of rotation 5 rotates, drives the motion of blade disc 8, and right blade 9 and left blade 11 scatter debris such as straw in the kind ditch and incomplete membrane to the outer both sides earth's surface of kind ditch respectively under the effect of centrifugal force, and the seed guide sets up in the no-tillage kind ditch cleaning device rear that staggered type was scattered, and seed metering ware exhaust seed falls into in clean, clear kind ditch through the seed guide, carries out earthing suppression afterwards.

The right blade 9 and the cutter head 8 are connected through 2 groups of mounting bolts 10, so that the dismounting is simple and convenient, and the replacement of the blades is convenient. The connection and installation of the left blade 11 and the cutter head 8 are the same as the installation mode of the right blade 9, and the installation direction of the installation bolt 10 is opposite. The utility model discloses in on 8 circumferences of blade disc equipartitions have set up 4 right blades 9 and 4 left blades 11, can clear up the operation condition according to actual kind ditch, do not confine to 8, avoid having to leak clear region.

The right blade 9 and the left blade 11 are composed of an installation part and a working part, an inclination angle is formed between the two parts in a bending mode, and the installation part is a rectangular plane and is in contact with the cutter 8 and used for being connected with and installing the cutter 8. The working part is triangular, the side edges and the tops of the right blade 9 and the left blade 11 are provided with chamfers, the inclination angles of the working parts of the right blade 9 and the left blade 11 are opposite, and sundries are alternately thrown to the right side and the left side outside the seed furrow.

When the bearing seat mounting plate 2 is installed in a matched mode with the bearing with the seat 4, the rectangular groove opening is formed in the top of the bearing seat mounting plate, and the bearing seat mounting plate 2 can be conveniently and quickly detached and installed.

The flange plates 6 are symmetrically distributed on two sides of the cutter disc 8 and used for supporting and installing the rotating shaft 5, holes are uniformly distributed in the circumference of the flange plates 6, the flange plates 6 on two sides are connected with the cutter disc 8 through bolts, and the flange plates 6, the cutter disc 8 and the rotating shaft 5 are connected through keys.

The connecting and mounting plate 1 is used for connecting the no-tillage seed furrow cleaning device which is scattered in a staggered mode with a frame of a no-tillage seeding machine, the connecting and mounting plate 1 is hinged to the bearing seat mounting plate 2, and the bearing seat mounting plate 2 can rotate by an angle to drive the cutter head 8, the right blade 9 and the left blade 11 to move upwards or downwards.

Drawings

FIG. 1 is a schematic structural view of the staggered scattering no-tillage seed furrow clearing device of the present invention;

fig. 2 is a schematic view of the distribution of the blades on the cutter head in the embodiment of the present invention;

fig. 3 is a schematic structural diagram of a blade according to an embodiment of the present invention.

Reference numerals:

1. connecting the mounting plate; 2. a hinge bolt; 3. a bearing seat mounting plate; 4. a pedestal bearing; 5. a rotating shaft; 6. a flange plate; 7. a hydraulic motor; 8. a cutter head; 9. a right blade; 10. installing a bolt; 11. and (4) a left blade.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the embodiment shown in fig. 1, the staggered scattering no-tillage seed furrow cleaning device comprises a connecting mounting plate 1, a flange plate 6, a hydraulic motor 7, a cutter head 8, a right blade 9, a left blade 11 and the like. During operation, hydraulic motor 7 drive axis of rotation 5 rotates, installs ring flange 6, blade disc 8 and rolling bearing 4 in proper order on the axis of rotation 5, drives the motion of blade disc 8, and the straw that installs on blade disc 8 and left blade 11 and impress in the kind ditch contacts with incomplete membrane, stirs, takes hold debris motion such as straw and incomplete membrane, under the effect of self gravity and centrifugal force, spills straw and incomplete membrane to the earth's surface of two sides outside the kind ditch respectively along right blade 9 and the absolute direction of motion of left blade 11.

The right blades 9 and the left blades 11 are circumferentially installed on two sides of the cutter head 8 in an equidistant staggered mode, and the right blades 9 and the left blades 11 are the same in number in order to guarantee balance of the machine and uniformity of throwing. The right blade 9 and the left blade 11 are made of spring steel and are required to have high strength and hardness.

The absolute motion of any point on the right blade 9 and the left blade 11 is the resultant motion of the circular motion of the right blade 9 and the left blade 11 rotating around the axis of the cutter head 8 and the linear motion of the forward motion of the machine tool, and the motion track is a regular cycloid. The rotating direction of the right blade 9 and the left blade 11 is consistent with the advancing direction of the machine tool, and the right blade 9 and the left blade 11 rotating at high speed pick up straws and residual films in the no-tillage seed furrow and throw the straws and the residual films out of two sides of the seed furrow. Therefore, according to the actual no-tillage seed furrow cleaning operation requirement, the distribution of the right blade 9 and the left blade 11 on the cutter head 8 is not limited to 8, and a cleaning leakage area is avoided when the seed furrow is cleaned.

The right blade 9 and the left blade 11 are composed of a mounting part and a working part, an inclination angle is formed between the two parts in a bending mode, the mounting part is a rectangular plane, the working part is triangular, the side edges and the tops of the right blade 9 and the left blade 11 are provided with chamfers, the inclination angles of the working part are opposite when the right blade 9 and the left blade 11 are mounted, and sundries are alternatively thrown to the right side and the left side of the seed furrow.

The flanges 6 are symmetrically distributed on two sides of the cutter head 8 and used for supporting and installing the rotating shaft 5, holes are uniformly distributed in the circumference of the flanges 6, the flanges 6 on two sides are connected with the cutter head 8 through bolts, and the flanges 6, the cutter head 8 and the rotating shaft 5 are connected through keys.

The connecting mounting plate 1 is hinged with the bearing seat mounting plate 2, and the bearing seat mounting plate 2 can rotate for an angle, so that the working height of the staggered-type scattered no-tillage seed furrow cleaning device can be adjusted upwards or downwards.

Claims

1. A staggered-scattering no-tillage seed furrow cleaning device is characterized by comprising a connecting mounting plate, a flange plate, a hydraulic motor, a rotating shaft, a cutter head, a right blade and a left blade; the rotating shaft is sequentially provided with a flange plate, a cutter head and a bearing with a seat, the hydraulic motor drives the rotating shaft to rotate, and the rotating shaft drives the cutter head to rotate; the utility model discloses a cutter head, including blade disc, right blade and left blade are installed in the both sides of blade disc, and circumference evenly staggered distribution, right blade and left blade comprise installation component and working part, bend between the two parts and be equipped with inclination, and the installation component is the rectangle plane, and the working part is "triangle-shaped", and side cutting edge and top all have the chamfer.

2. The staggered throwing no-till seed furrow clearing apparatus of claim 1, wherein: the flange plates are symmetrically distributed on two sides of the cutter head.

3. The staggered throwing no-till seed furrow clearing apparatus of claim 1, wherein: the connecting mounting plate is hinged with the bearing seat mounting plate, and the working height can be adjusted upwards or downwards.

4. The staggered throwing no-tillage furrow clearing apparatus of claim 1, wherein: the right blade, the left blade and the cutter head are connected through 2 groups of mounting bolts, and the mounting directions of the mounting bolts of the right blade and the left blade are opposite.

5. The staggered throwing no-tillage furrow cleaning apparatus of claim 4, wherein: the right blades and the left blades are arranged on the cutter head in the same number.

6. The staggered throwing no-till seed furrow clearing apparatus of claim 5, wherein: the right blade and the left blade are made of spring steel.