CN217116943U

CN217116943U - Ear of grain is plucked and straw breaker to maize picker

Info

Publication number: CN217116943U
Application number: CN202220829066.1U
Authority: CN
Inventors: 荆保华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-05
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to a corn harvester plucks ear of grain and straw breaker, including transmission case assembly, flail knife assembly, pluck ear of grain roller assembly, support piece. The utility model discloses a take corn ear after from corn stalk, utilize relevant mechanical structure to return the straw breakage field simultaneously, played a tractor serves several purposes's function. By adopting the composite snapping technology, the working performance is met, and simultaneously, the straw can be cut; the toothed beating and rubbing plate is adopted to clamp, pull, beat and rub the straws, so that the skins of the straws are beaten and broken by the toothed beating and rubbing plate in the process that the straws move downwards relative to the snapping roll, and then the straws are cut into sections under the cutting action of the cutter, so that the straws are more completely crushed, and the straws are favorably quickly decomposed and converted into fertilizers after being returned to the field.

Description

Ear of grain is plucked and straw breaker to maize picker

Technical Field

The utility model belongs to the technical field of agricultural machine and specifically relates to a corn harvester plucks ear of grain and straw breaker.

Background

The corn harvester is widely used in the field of agricultural production, the corn ear picking device is a core part of the corn harvester, and the mature degree of the technology directly influences the operation quality and efficiency of the corn harvester, including the integrity of ear picking, the breakage rate of grains, the loss rate, the impurity content and the like. The ear picking device adopted by the current commonly used corn harvester is a plate-type ear picking mechanism, and the mechanism is characterized in that the ear of corn is pulled away from the straw by forcible extrusion. After the corncob is separated from the straw, the corncob is conveyed to the next procedure through a guide plate and an elevator; the corn stalks after the corn ears are picked are generally cut and placed under ridges, secondary treatment needs to be carried out on the stalks, and some stalks are cleaned out of the original land for other purposes; some straw crushing and returning machines are used for crushing and returning straws to the field to be used as biological fertilizer so as to prepare for planting crops in the next year.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the main technical problem who solves is: the utility model discloses a take corn ear after from corn stalk, utilize relevant mechanical structure to return the straw breakage field simultaneously, played a tractor serves several purposes's function. By adopting the composite snapping technology, the working performance is met, and simultaneously, the straw can be cut; the toothed beating and rubbing plate is adopted to clamp, pull, beat and rub the straws, so that the skins of the straws are beaten and broken by the toothed beating and rubbing plate in the process that the straws move downwards relative to the snapping roll, and then the straws are cut into sections under the cutting action of the cutter, so that the straws are more completely crushed, and the straws are favorably quickly decomposed and converted into fertilizers after being returned to the field; the high-speed rotation of the flail knife assembly drives the flail knife to move at a high speed, the flail knife can easily cut straws to separate the straws from a root system due to the centrifugal force and the inertia effect, and the flail knife can avoid and protect a cutting edge from being damaged when being blocked by a hard object; the transmission shaft of the flail knife and the ear picking roll shaft form an acute angle, namely, the technique of small inclination angle is adopted, and the harvesting of low ear position and lodging corn can be satisfied.

The utility model provides a technical scheme that its technical problem adopted is:

comprises a transmission case assembly, a flail knife assembly, a snapping roll assembly and a supporting piece; the transmission box assembly is connected with the frame of the corn harvester and transmits the power of the main machine on one hand, and is connected with and supports the flail knife assembly and the ear picking roller assembly on the other hand, and transmits the power of the main machine to the flail knife assembly and the ear picking roller assembly; the flail knife assembly consists of a flail knife transmission case assembly, a clutch adjusting shaft, a flail knife transmission shaft, an upper knife disc, a lower knife disc and a blade; the adoption of the flail knife structure is beneficial to avoiding the strong damage to the edge part of the flail knife caused by the rigid action in the contact process of the blade and a hard object, the flail knife adopts a double-sided edge form, when one edge is dull ground or damaged, the other edge can be replaced and used, the durability of the blade is improved, and the service life of the blade is prolonged; the included angle theta (theta is less than 90 degrees) between the flail knife transmission shaft and the ear picking roll shaft is adopted, namely, the technology of small inclination angle is adopted, so that the harvesting of low ear position and lodging corn can be met; the clutch device is arranged in the power transmission process of the flail knife transmission box assembly and the flail knife transmission shaft, when the straws are not required to be cut off, the clutch shaft can be rotated for a certain angle, so that the power transmission is cut off by a mechanism in the box body, the cutter head cannot rotate actively, and the flail knife loses the cutting effect; the snapping roll assembly is formed by welding a spiral leading-in part, a cutter, a tooth-shaped beating and rubbing plate and a snapping roll, the spiral leading-in part is installed at the front end of the snapping roll through a mounting hole by a bolt, the tooth-shaped beating and rubbing plate compresses the cutter, the cutter is installed on the snapping roll through the mounting hole by the bolt, and the installation directions of the cutting edge of the cutter and the tooth-shaped beating and rubbing plate are consistent with the spiral direction of the snapping roll assembly during operation.

Drawings

The following further describes the embodiments of the present invention with reference to the drawings:

fig. 1 is a schematic view of the structure of the present invention;

fig. 2 is a left side view schematic structure diagram of the present invention;

FIG. 3 is an isometric view of FIG. 1;

FIG. 4 is a schematic view of a flail assembly;

FIG. 5 is a schematic view of a flail knife;

FIG. 6 is a schematic view of a snapping roll assembly;

FIG. 7 is a lower cutter head schematic view;

FIG. 8 is a schematic view of the upper cutter head;

FIG. 9 is a schematic view of a helical lead-in;

FIG. 10 is a schematic view of a cutter;

FIG. 11 is a schematic view of a tooth-shaped rubbing plate;

FIG. 12 is a schematic view of a support;

fig. 13 is a schematic view of the snapping roll welding.

In the figure, 1, a transmission case assembly; 2. a flail knife transmission case assembly; 3. a snapping roll assembly; 4. a support member; 5. a clutch adjustment shaft; 6. a flail knife; 7. a cutter head is arranged; 8. a flail knife transmission shaft; 9. feeding a cutter head; 10. a spiral lead-in member; 11. a cutter; 12. a toothed rubbing board; 13. and (5) welding the snapping rolls.

Detailed Description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

The utility model discloses the design purpose realizes like this: as shown in attached drawings 1-13, the ear picking and straw crushing device of the corn harvester comprises a transmission case assembly (1), a flail knife transmission case assembly (2), an ear picking roller assembly (3), a supporting piece (4), a clutch adjusting shaft (5), a flail knife (6), a lower knife disc (7), a flail knife transmission shaft (8), an upper knife disc (9), a spiral leading-in piece (10), a cutter (11), a tooth-shaped beating rubbing plate (12) and an ear picking roller welding joint (13); the flail knife transmission case assembly (2) is connected with the transmission case assembly (1), and a mutual power transmission device is arranged in the flail knife transmission case assembly; a clutch device is arranged between the internal transmission of the flail knife transmission box assembly (2) and the flail knife transmission shaft (8), and the power transmission can be separated by rotating a clutch adjusting shaft (5) for a certain angle; an upper cutter head (9) is arranged at the lower end of the flail transmission shaft (8), and the upper cutter head (9) rotates along with the flail transmission shaft (8); the upper cutter head (9) and the lower cutter head (7) are fixed through positioning pin holes, and the mounting holes of the flail cutters (6) pass through the positioning pin holes of the upper cutter head (9) and the lower cutter head (7) and can rotate relatively; the snapping roll assembly (3) is connected with the transmission case assembly (1), and a mutual power transmission device is arranged in the snapping roll assembly; a support piece (4) is arranged at the front end of the snapping roll assembly (3), and the support piece (4) has the supporting and positioning functions on the snapping roll assembly (3); the ear picking roller assembly (3) is composed of a spiral leading-in part (10), a cutting knife (11), a tooth-shaped beating and rubbing plate (12) and an ear picking roller welding part (13), wherein the spiral leading-in part (10) is installed at the front end of the ear picking roller welding part (13) through a mounting hole by a bolt, the tooth-shaped beating and rubbing plate (12) is tightly pressed on the cutting knife (11) and is fixed on the ear picking roller welding part (13) through the mounting hole by the bolt, and the mounting directions of the cutting edge of the cutting knife (11) and the tooth-shaped beating and rubbing plate (12) are consistent with the spiral direction of the ear picking roller assembly (3) during operation.

In the process that the corn harvester moves forwards, the ear picking and straw crushing device of the corn harvester moves forwards simultaneously, and the corn straws move forwards and spirally through the spiral leading-in piece (10) to move towards the direction of the corn harvester in the process of clamping the spiral leading-in piece (10); at the moment, the flail knife transmission case assembly (2) advances together, the flail knife transmission shaft (8) rotates to drive an upper knife disc (9) arranged on the flail knife transmission case assembly to rotate, the upper knife disc (9) and a lower knife disc (7) are fixed through positioning pin holes, a mounting hole of the flail knife (6) can rotate relatively through the positioning pin holes of the upper knife disc (9) and the lower knife disc (7), the flail knife (6), the upper knife disc (9) and the lower knife disc (7) rotate simultaneously to cut straws under the action of centrifugal force and inertia, the flail knife (6) can be flicked when hard objects are encountered, the flail knife (6) has a self-protection effect, and two blade surfaces of the flail knife (6) can be alternately used; the axial included angle theta (theta is less than 90 degrees) between the axial direction of the flail knife transmission shaft (8) and the axial direction of the ear picking roller assembly (3), namely, the low ear position and lodging corn harvesting can be met by adopting a small inclination angle technology; a clutch device is arranged in the flail knife transmission case assembly (2) to switch the power transmitted from the transmission case assembly (1) to the flail knife transmission shaft (8), a clutch adjusting shaft (5) is arranged on the flail knife transmission case assembly (2), and the power transmitted from the transmission case assembly (1) to the flail knife transmission shaft (8) can be separated by rotating the clutch adjusting shaft (5) by a certain angle, so that the flail knife transmission shaft (8), the upper cutter head (9), the lower cutter head (7) and the flail knife (6) can rotate freely under the unpowered state, and the power output is saved under the condition that the flail knife (8) is not needed to be used for harvesting; the rear end of the snapping roll assembly (3) is connected with the transmission case assembly (1) and transmits power, the front end of the snapping roll assembly (3) is connected with the supporting piece (4), and the strength of the snapping roll assembly (3) is enhanced through the positioning and supporting functions of the supporting piece (4); the ear picking roller assembly (3) consists of a spiral lead-in part (10), a cutter (11), a tooth-shaped beating and rubbing plate (12) and an ear picking roller welding part (13), wherein the spiral lead-in part (10) is installed at the front end of the ear picking roller welding part (13) through a bolt, the tooth-shaped beating and rubbing plate (12) is tightly pressed on the cutter (11), the bolt is installed on the ear picking roller welding part (13) through an installation hole, and the installation directions of a cutting edge of the cutter (11) and the tooth-shaped beating and rubbing plate (12) are consistent with the spiral direction of the ear picking roller assembly (3) during operation; in the operation process, corn straws are clamped and guided in by the spiral guide-in part (10), conveyed to an effective working area of the snapping roll assembly (3), beaten by the tooth-shaped beating washboard (12) to longitudinally tear and crush the corn straws, and then transversely cut into sections by the cutter (11), so that the straws are crushed more completely, and the straws are quickly decomposed and converted into fertilizers after being returned to the field.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical staff probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A corn harvester ear picking and straw crushing device comprises a transmission case assembly, a flail knife assembly, an ear picking roller assembly and a supporting piece; the transmission box assembly is connected with the frame of the corn harvester and transmits the power of the main machine on one hand, and is connected with and supports the flail knife assembly and the ear picking roller assembly on the other hand, and transmits the power of the main machine to the flail knife assembly and the ear picking roller assembly; the flail knife assembly comprises flail knife transmission case assembly, separation and reunion adjusting shaft, flail knife transmission shaft, upper cutter head, lower cutter head, blade, its characterized in that: the adoption of the flail knife structure is beneficial to avoiding the strong damage to the edge part of the flail knife caused by the rigid action in the contact process of the blade and a hard object, the flail knife adopts a double-sided edge form, when one edge is dull ground or damaged, the other edge can be replaced and used, the durability of the blade is improved, and the service life of the blade is prolonged; the included angle between the flail knife transmission shaft and the ear picking roll shaft is less than 90 degrees, namely, the low ear position and lodging corn harvesting can be met by adopting a small inclination angle technology; a clutch device is arranged in the transmission process of the flail knife transmission box assembly and the flail knife transmission shaft; when the straws are not required to be cut off, the mechanism in the box body can cut off power transmission by rotating the clutch adjusting shaft for a certain angle, so that the cutter head cannot rotate actively, and the flail cutter loses the cutting effect; the snapping roll assembly is formed by welding a spiral leading-in part, a cutter, a tooth-shaped beating and rubbing plate and a snapping roll; the spiral leading-in part is installed at the front end of the snapping roll welded together through the installation hole by a bolt, the tooth-shaped beating and rubbing plate pressing cutter is installed on the snapping roll welded together through the installation hole by a bolt, and the installation directions of the cutting edge of the cutter and the tooth-shaped beating and rubbing plate are consistent with the spiral direction of the snapping roll assembly during operation.