CN217407132U

CN217407132U - Corn stalk pushing and pulling device

Info

Publication number: CN217407132U
Application number: CN202221453211.7U
Authority: CN
Inventors: 孙雷雷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-09-13
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a maize straw pushes away dials device, this maize straw pushes away dials device including setting up in seeder the place ahead, with seeder direction of advance vertically, by tractor driven horizontal rotation axis, be equipped with the helical blade who sets up in groups on horizontal rotation axis, every group helical blade by two oppositions, helical blade opposite in direction constitutes, left helical blade pushes away the straw left and dials, the helical blade on right side pushes away the straw right to clear up out the seeding area between two helical blade, helical blade is toper helical blade, the radial height that toper helical blade is close to seeding area one side end limit is greater than the radial height who keeps away from seeding area one side end limit. The corn straw pushing and pulling device can be conveniently installed at the front end of the combined seeder, a seeding belt with few straws is cleaned in front of the seeding device, and the corn straw pushing and pulling device has the advantages of small volume, simple structure, low power consumption of a tractor and the like.

Description

Corn stalk pushing and pulling device

Technical Field

The utility model relates to an agricultural machine, especially one kind install in maize combined drill the place ahead, push away the maize straw to both sides and dial, clear up the maize straw that does not have or few straw broadcast the area in seeder the place ahead and push away and dial the device.

Background

The straw returning is not only beneficial to environmental protection and reduction of carbon dioxide emission, but also can improve the soil structure, increase the content of organic matters in the soil and improve the quality of crops, and is a scientific cultivation mode which accords with the sustainable development concept. In the full-amount plots of the corn straws, a special straw row-returning device is needed to return the corn straws to be treated during sowing, and a sowing belt suitable for the operation of the sowing device is cleaned. The grass raking plate is adopted as a straw pushing and pulling device in the prior art, like a straw returning device disclosed in CN 113853850A, CN 211090731U, CN 207720650U, the grass raking plate is large in size as the straw pushing and pulling device, the seeder is difficult to transfer, the working resistance of the grass raking plate is large, the requirement on the traction capacity of a tractor matched with the grass raking plate is also high, in addition, the straw returning device only has the function of clearing straws, but does not have the function of loosening the seeding belt, and a rotary tillage device or a stubble cleaning device needs to be additionally matched on the seeder.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is: the corn straw pushing and pulling device can be conveniently installed at the front end of a combined seeding machine, a seeding belt with few straws is cleaned in front of a seeding device, and the corn straw pushing and pulling device has the advantages of small volume, simple structure, low power consumption of a tractor and the like.

The technical scheme for solving the technical problem is as follows: the utility model provides a maize straw pushes away dials device, including setting up in seeder the place ahead, with seeder direction of advance vertically, by tractor driven horizontal rotation axle, be equipped with the helical blade who sets up in groups on horizontal rotation axle, every group helical blade comprises two opposition, helical direction opposite's helical blade, left helical blade pushes away the straw left and dials, the helical blade on right side pushes away the straw right to clear up out the seeding area between two helical blade, helical blade is toper helical blade, the radial height that toper helical blade is close to seeding area one side end limit is greater than the radial height who keeps away from seeding area one side end limit.

As a further improvement of the utility model: a corn straw cutting knife group is arranged on the horizontal rotating shaft corresponding to the seeding belt.

As a further improvement of the utility model: the corn stalk cutter group is composed of a plurality of corn stalk cutters fixed on a horizontal rotating shaft through a cutter holder.

As a further improvement of the utility model: the corn stalk cutter is a rear bent cutter.

As a further improvement of the utility model: the radial height of the conical helical blade close to the end edge of one side of the sowing belt is greater than that of the corn stalk cutter.

As a further improvement of the utility model: the number of spiral turns of the conical spiral blade is 1.

As a further improvement of the utility model: in each group of helical blades, the axial distance between two conical helical blades is 10-20 cm.

As a further improvement of the utility model: the spiral cone angle of the conical spiral blade is 30-90 degrees.

As a further improvement of the utility model: the conical helical blade has a helical taper angle of 70 degrees.

As a further improvement scheme of the utility model: a plurality of groups of conical helical blades and corn stalk cutting knife sets are arranged on the horizontal rotating shaft along the axial direction.

Has the advantages that: the utility model discloses a corn stalk pushing and pulling device, because adopted the corn stalk pushing and pulling device includes the horizontal rotation axis that is set up at the seeder front end, perpendicular to the seeder direction of advance, and is driven by the tractor, be equipped with the helical blade who sets up in groups on the horizontal rotation axis, every group helical blade comprises two opposite, helical blade that the spiral direction is opposite, left side helical blade pushes the straw left side and the right side helical blade pushes the straw right side, thereby clear up out the seeding area between two helical blade, the helical blade is the toper helical blade, the radial height that the toper helical blade is close to seeding area one side end limit is greater than the technical scheme of the radial height of keeping away from seeding area one side end limit, makes the utility model discloses a corn stalk pushing and pulling device can conveniently assemble in the combined seed drill among the prior art, clear up the seeding area that has no or only a small amount of straw in seeding mechanism the place ahead, the device has the advantages of small volume, simple structure, low power consumption of the tractor and the like. Due to the technical characteristics that the corn straw cutting knife group is arranged on the rotating shaft corresponding to the sowing belt, the corn straw cutting knife group and the conical helical blade rotate together during working, so that the residual straws in the sowing belt are cut up, the soil can be loosened for the sowing belt, subsequent fertilization and sowing are facilitated, and a rotary tillage or stubble cleaning device in the existing combined sowing machine can be omitted. Due to the technical characteristic that the corn stalk cutting knife group is composed of a plurality of corn stalk cutting knives fixed on the rotating shaft through the knife holder, the straw chopping effect is better. Due to the technical characteristic that the corn straw cutting knife is a rear bent knife, the purpose of cutting up straws is achieved, meanwhile, damage to soil on two sides of the seeding belt is reduced as much as possible, protective cultivation is achieved, soil moisture content is kept more favorably, and the rate of emergence is improved. Due to the technical characteristic that the radial height of the conical helical blade close to one side end edge of the sowing belt is greater than that of the corn straw cutting knife, the end edge of the conical helical blade close to one side of the sowing belt can be cut into soil, a small amount of soil is thrown away from the sowing belt and covers the straws on two sides of the sowing belt, the effect of fixing the straws can be achieved, and the rotting speed of the straws can be accelerated. Due to the fact that the number of spiral turns and the spiral cone angle of the conical spiral blade are reasonably limited, the straw can be prevented from being wound on the horizontal rotating shaft while the straw pushing and poking effect is achieved. Owing to rationally injectd in every group helical blade, the axial interval between two toper helical blade makes the utility model discloses a maize straw pushes away dials the device and can satisfy most corn drill's among the prior art supporting requirement. Due to the technical characteristics that a plurality of groups of conical helical blades and corn straw cutting knife sets are axially arranged on the horizontal rotating shaft, the chopping effect and the soil loosening effect of the straws are further improved.

Drawings

The following describes the corn stalk pushing and pulling device in further detail with reference to the attached drawings.

FIG. 1 is a front view of the corn stalk pushing and pulling device of the utility model;

FIG. 2 is an axial view of the conical helical blade of the corn stalk pushing and pulling device of the present invention;

fig. 3 is an isometric view of the corn stalk pushing and pulling device of the present invention.

Detailed Description

As shown in fig. 1 and 3, the utility model discloses a maize straw pushes away dials device, including setting up in seeder the place ahead, with seeder direction of advance vertically, by tractor driven horizontal rotation axle 1, be equipped with the helical blade who sets up in groups on horizontal rotation axle, every group helical blade 2 comprises two oppositions, the helical blade that revolves to opposite, left helical blade 21 pushes away the straw left and dials, helical blade 22 on right side pushes away the straw right to clear up out between two helical blade and broadcast area m. The horizontal rotating shaft corresponding to the seeding belt is provided with a corn stalk cutting knife group 3, the corn stalk cutting knife group is composed of a plurality of corn stalk cutting knives 31 which are fixed on the horizontal rotating shaft through knife holders 32, and the corn stalk cutting knives are rear bending knives.

As shown in fig. 2, the spiral blade is a conical spiral blade, and the radial height H of the conical spiral blade close to one side end edge 211 of the sowing belt is larger than the radial height H of the conical spiral blade far from one side end edge 212 of the sowing belt. Adopt this kind of toper helical blade can make the straw break away from helical blade rapidly in keeping away from seeding area one side behind the helical blade of seeding area one side feeding with the straw by being close to, avoid the winding to, toper helical blade only can push away to dial the straw that is close to the seeding area, and can not disturb and pile up the straw of taking g in the straw return. Preferably, the radial height of the conical helical blade close to one side end edge of the sowing belt is greater than that of the corn stalk cutter, so that the conical helical blade close to one side end edge of the sowing belt can also cut off the stalks lying on the sowing belt.

Preferably, as shown in fig. 1 and 3, a plurality of groups of conical helical blades and corn stalk cutter groups are axially arranged on a horizontal rotating shaft, the number of helical turns of the conical helical blades is 1, the axial distance L between two conical helical blades in each group of helical blades is 10-20 cm, the helical taper angle a of each conical helical blade is 30-90 degrees, and the optimal helical taper angle of each conical helical blade is 70 degrees.

The utility model discloses a when maize straw pushed and dials the device and uses, only must push and dial the device with maize straw and install prior art's combined drill, push and dial the device with maize straw and replace rotary tillage or stubble-cleaning arbor in the combined drill can, maize straw pushes and dials the required power transmission mode of device during operation the same with the rotary cultivator power transmission mode among the prior art. When the corn straw cutting machine works, the power of a tractor drives the horizontal rotating shaft to rotate, the corn straw cutting knife set cuts off the straws planted in the belt, and the straws can be pushed down along the direction of the straw returning belt when the conical helical blades rotate; the end edge of the conical helical blade close to the side of the sowing belt can pick up the horizontal corn straws on the sowing belt from the ground surface and feed the horizontal corn straws into the conical helical blade, the conical helical blade is combed to be parallel to the sowing belt, and the straws are pushed and pulled to the two sides of the sowing belt and simultaneously covered with a small amount of soil, so that the sowing belt without or with a small amount of straws is cleaned, and the requirements of fertilization and sowing of the combined seeder are met. The utility model discloses a maize straw pushes away dials device not only is suitable for when reaping and has made the piece of land of cutting up the processing to the straw, more can be applicable to when results do not cut down the straw, the upright piece of land of straw that cuts up.

The utility model discloses a maize straw pushes away when dialling the device and can satisfy the cultivation operation requirement of row spacing, wide narrow row through the axial interval who changes toper helical blade group and maize straw cutting knife tackle when making.

Claims

1. The utility model provides a maize straw pushes away dials device, including set up in seeder the place ahead, with seeder direction of advance vertically, by tractor driven horizontal rotation axis, be equipped with the helical blade who sets up in groups on horizontal rotation axis, characterized by: every group helical blade comprises two opposition, helical direction opposite's helical blade, and left helical blade pushes away the straw left and dials, and the helical blade on right side pushes away the straw right to clear up out the seeding area between two helical blade, helical blade is toper helical blade, the radial height that toper helical blade is close to seeding area one side end is greater than the radial height of keeping away from seeding area one side end.

2. The corn stalk pushing and poking device as claimed in claim 1, which is characterized in that: a corn straw cutting knife group is arranged on the horizontal rotating shaft corresponding to the sowing belt.

3. The corn stalk pushing and poking device as claimed in claim 2, which is characterized in that: the corn stalk cutting knife group consists of a plurality of corn stalk cutting knives which are fixed on a horizontal rotating shaft through a knife holder.

4. The corn stalk pushing and poking device as claimed in claim 3, which is characterized in that: the corn stalk cutter is a rear bent cutter.

5. The corn stalk pushing and poking device as claimed in claim 4, which is characterized in that: the radial height of the conical helical blade close to the end edge of one side of the sowing belt is greater than that of the corn stalk cutter.

6. The corn stalk pushing and pulling device as claimed in any one of claims 1 to 5, wherein: the number of spiral turns of the conical spiral blade is 1.

7. The corn stalk pushing and poking device as claimed in claim 6, which is characterized in that: in each group of helical blades, the axial distance between two conical helical blades is 10-20 cm.

8. The corn stalk pushing and poking device as claimed in claim 6, wherein: the spiral cone angle of the conical spiral blade is 30-90 degrees.

9. The corn stalk pushing and poking device as recited in claim 8, wherein: the conical helical blade has a helical taper angle of 70 degrees.

10. The corn stalk pushing and poking device as claimed in claim 7, wherein: a plurality of groups of conical helical blades and corn stalk cutting knife sets are arranged on the horizontal rotating shaft along the axial direction.