CN112262652B - Combine harvester semi-feeding harvesting mechanism - Google Patents

Combine harvester semi-feeding harvesting mechanism Download PDF

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Publication number
CN112262652B
CN112262652B CN202011280995.3A CN202011280995A CN112262652B CN 112262652 B CN112262652 B CN 112262652B CN 202011280995 A CN202011280995 A CN 202011280995A CN 112262652 B CN112262652 B CN 112262652B
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rice
threshing
ears
feeding
straw
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CN112262652A (en
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何嘉俊
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/02—Self-propelled combines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D41/00—Combines, i.e. harvesters or mowers combined with threshing devices
    • A01D41/12—Details of combines
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F12/00—Parts or details of threshing apparatus
    • A01F12/18—Threshing devices
    • A01F12/22—Threshing cylinders with teeth
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/02—Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis
    • A01F29/025—Cutting apparatus specially adapted for cutting hay, straw or the like having rotating knives with their cutting edges in a plane perpendicular to their rotational axis with feeding direction parallel to axis
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00—Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/09—Details

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Threshing Machine Elements (AREA)

Abstract

本发明公开了一种联合收割机半喂入收割作业机构，其包括机架、割禾机构、拨禾横向输送机构和脱粒滚筒机构，还包括稻杆切短机构、转向输送机构、倾斜提升输送机构和脱粒送料机构。本发明联合收割机半喂入收割作业机构能使带穗稻杆在转移输送过程中的摆放和移动是整齐有序的，能准确的将稻穗直接送入脱粒滚筒上方；由于稻穗是从脱粒滚筒顶部进入，稻穗在重力作用下自然的搭在脱粒滚筒上，稻穗能与脱粒滚筒上的脱粒齿充分碰撞接触，能提高脱粒效率，有利于缩短脱粒滚筒的长度，减小联合收割机的体积和重量。并且脱粒过程中带穗稻杆不是完全进入到脱粒滚筒内，因此其脱粒能耗更低，脱粒滚筒内的稻草少，更利于谷粒的分离。

The invention discloses a semi-feeding harvesting operation mechanism for a combine harvester, which includes a frame, a straw cutting mechanism, a straw pulling transverse conveying mechanism and a threshing drum mechanism, and also includes a rice straw shortening mechanism, a steering conveying mechanism, an inclined lifting conveying mechanism and a threshing feeding mechanism. The semi-feeding harvesting operation mechanism for the combine harvester of the invention can make the placement and movement of the rice straw with ears in the process of transfer and transportation orderly, and can accurately send the rice ears directly to the top of the threshing drum; because the rice ears enter from the top of the threshing drum, the rice ears are naturally placed on the threshing drum under the action of gravity, and the rice ears can fully collide and contact with the threshing teeth on the threshing drum, which can improve the threshing efficiency, is conducive to shortening the length of the threshing drum, and reducing the volume and weight of the combine harvester. In addition, the rice straw with ears does not completely enter the threshing drum during the threshing process, so its threshing energy consumption is lower, there is less rice straw in the threshing drum, and it is more conducive to the separation of grains.

Description

Semi-feeding harvesting operation mechanism of combine harvester
Technical Field
The invention relates to the technical field of combine harvesters, in particular to a half-feeding harvesting operation mechanism of a combine harvester.
Background
The combine harvester mainly has two forms of full feeding and half feeding.
The whole-feeding combine harvester is characterized in that the cut rice stalks and rice ears are all sent into a threshing cylinder for threshing, more straw scraps are generated in the threshing cylinder, and the whole-feeding combine harvester is large in size and weight and not suitable for hilly field operation.
After harvesting, the existing semi-feeding combine harvester transfers a conveying chain to clamp the middle section of a rice straw, in the process of transferring to a threshing conveying chain, the rice ears are converted into a horizontal posture from a vertical posture, the threshing conveying chain clamps the middle section of the rice straw, and drags the rice straw to enable the rice ears and part of the rice straw to enter the lower part of a threshing cylinder and to be put on a concave plate sieve, the threshing conveying chain clamps part of the rice straw to load and run outside the threshing cylinder, conveying chain guide rods, threshing depth adjusting mechanisms and special grass discharging dragging chains are designed in the front and back of the threshing cylinder, so that the mechanism of the front and back parts of a feed inlet of the threshing cylinder is complex. And because the rice ears and the partial rice stems cover part of the sieve holes, part of the seeds can pass through the sieve holes only by plants, and the quick separation of the removed grains is not facilitated. The existing semi-feeding combine harvester has the defects of complex structure, heavy weight and high manufacturing cost, the operation efficiency is far lower than that of a full-feeding combine harvester, and the transverse width of a small machine cannot be equal to the harvesting width, so that the small machine is not beneficial to miniaturization.
The existing full-feeding and half-feeding combine harvester is unfavorable for the field operation in hilly and mountain areas due to the large weight and large volume, and cannot meet the requirement of the whole-process mechanized production of grain production.
The cutting width of the existing cutter-rower is equivalent to the machine banner, multiple cutting width choices can be realized, the structure is compact and portable, the harvesting efficiency is high, the harvested crops can be orderly placed in the field, the functions of threshing and cutting short plants and returning to the field are not realized, and the cutter-rower is not a combine harvester.
Disclosure of Invention
Therefore, the invention aims to provide a half-feeding harvesting mechanism of a combine harvester, which solves the defects of the existing combine harvester in the aspects of energy consumption, volume, weight and the like.
The invention relates to a half-feeding harvesting operation mechanism of a combine harvester, which comprises a grain cutting mechanism, a grain pulling transverse conveying mechanism positioned above the grain cutting mechanism, a threshing mechanism positioned on a frame, a rice straw cutting mechanism, a steering conveying mechanism and an inclined lifting conveying mechanism;
The rice straw cutting mechanism is arranged at the discharge end of the reel transverse conveying mechanism and is used for cutting rice straw below rice ears;
the steering conveying mechanism is positioned above the rice straw cutting mechanism and is used for conveying the rice straw with the ears after the rice straw is cut to the inclined lifting mechanism;
The inclined lifting conveying mechanism is arranged beside the feeding end of the threshing mechanism, and is used for conveying the rice straw with ears discharged by the steering conveying mechanism to the upper part of the feeding end of the threshing roller of the threshing mechanism.
Further, the threshing mechanism comprises a threshing cylinder, a cylinder shell arranged outside the threshing cylinder and a threshing feeding mechanism arranged above the cylinder shell, an axial notch for rice straw to move along the axial direction of the threshing cylinder is arranged at the upper part of the cylinder shell, a spike rod inlet window is arranged at the feeding end of the cylinder shell, a straw discharging window is arranged at the discharging end of the cylinder shell, and the threshing feeding mechanism is used for pushing the rice straw with spikes to move along the axial notch.
Further, the threshing and feeding mechanism comprises a material receiving guide plate obliquely arranged at the lower side of the upper end of the belt conveyor, a plurality of vertically arranged rice straw supporting splints positioned above the roller shell and beside the axial notch, and a third chain conveyor pushing the rice straw with ears to move along the rice straw supporting splints, the length direction of the rice straw supporting splints is parallel to the axial direction of the threshing roller, one end of the rice straw supporting splints extends to the material receiving guide plate to form an inclined rice straw leading-in section, and the material receiving guide plate is provided with a lower extension part for leading the rice ears into the roller shell.
Further, the material discharging end of the roller shell is further provided with a winnowing mechanism, the winnowing mechanism comprises an impeller shell fixed at the material discharging end of the roller shell and a grass discharging wheel arranged in the impeller shell, the material discharging end of the roller shell is further provided with a grass outlet communicated with the lower part of the impeller shell, and the upper part of the impeller shell is provided with the grass discharging outlet.
Further, the reel transverse conveying mechanism comprises a reel separating plate, reels arranged on the lower side of the reel separating plate, a limiting guide rod for guiding the rice straw with ears to transversely move along the frame, a first chain conveyor transversely arranged along the frame and used for pushing the rice straw with ears to transversely move along the frame, and a reel blocking plate arranged above the first chain conveyor.
Further, the rice straw cutting mechanism comprises a movable cutter shaft which is vertically arranged, a movable blade which is arranged on the movable cutter shaft, a fixed cutter shaft which is vertically arranged beside the movable cutter shaft, and a fixed blade which is arranged on the cooperation of the fixed cutter shaft and the movable blade.
Further, the steering conveying mechanism comprises a guide groove which is horizontally arranged, a grain lifting vertical plate which is arranged beside the guide groove, and a second chain conveyor which pushes the rice straw with ears to move along the guide groove, wherein the guide groove is used for guiding the rice straw with ears which is cut short by the rice straw cutting mechanism to the feeding end of the inclined lifting conveying mechanism.
Further, the inclined lifting conveying mechanism comprises an inclined belt conveyor, an inclined receiving plate arranged at the lower end of the belt conveyor and used for receiving the rice straw with the ears discharged from the steering conveying mechanism, and toothed plates arranged at two sides of a conveying belt of the belt conveyor and used for picking up the rice straw with the ears poured on the inclined receiving plate and pushing the rice straw with the ears upwards.
The invention has the beneficial effects that:
1. The invention relates to a half-feeding harvesting operation mechanism of a combine harvester, which is used for cutting off rice stalks with ears by arranging a rice stalk cutting mechanism, and lifting and conveying the rice stalks with ears to the upper part of a threshing cylinder feeding end of a threshing mechanism by a steering conveying mechanism and an inclined lifting conveying mechanism. The semi-feeding harvesting operation mechanism of the combine harvester can enable the rice stalks with ears to be placed and moved in order in the transferring and conveying process, and can accurately and directly feed the rice ears above the threshing cylinder.
2. The half-feeding harvesting operation mechanism of the combine harvester cuts the rice straw with the ears by arranging the rice straw cutting mechanism, and lifts and conveys the rice straw with the ears to the upper part of the feeding end of the threshing cylinder of the threshing mechanism by the steering conveying mechanism and the inclined lifting conveying mechanism, so that the rice ears enter from the upper part of the threshing cylinder, the rice ears naturally ride on the threshing cylinder under the action of gravity, threshing teeth can easily penetrate the rice ears, and the threshing teeth are fully collided and contacted with the rice ears, thereby improving the threshing efficiency, and compared with the half-feeding combine harvester with the existing rice ears entering from the lower part of the threshing cylinder, the half-feeding harvesting operation mechanism has higher threshing efficiency.
Compared with the existing semi-feeding combine harvester with rice ears entering from the lower part of the threshing cylinder, the semi-feeding combine harvester omits a conveying chain guide rod, a threshing depth adjusting mechanism, a full-time grass discharging dragging chain and other mechanisms which are arranged at the front and back of the threshing cylinder, and reduces the volume and weight of the combine harvester.
In addition, according to the semi-feeding harvesting operation mechanism of the combine harvester, rice ears enter from the top of the threshing cylinder, and the unhulled rice moves obliquely downwards, so that the rice is not easy to splash and leak.
In addition, the half-feeding harvesting operation mechanism of the combine harvester does not completely enter the threshing cylinder, so that the threshing energy consumption is lower compared with that of the full-feeding combine harvester, and the straw scraps in the threshing cylinder are less, thereby being more beneficial to the separation of grains.
3. The semi-feeding harvesting operation mechanism of the combine harvester of the invention has the advantages that the cutting mechanism of the combine harvester realizes the environmental protection requirement of cutting off and returning the lower end part of the rice straw, and the weight and the length of the rice straw are reduced after the rice straw is cut, so that the combine harvester is favorable for the connection with the inclined lifting conveying mechanism during the subsequent transfer conveying, and the width of the inclined lifting conveying mechanism can be shortened, so that the structure is simpler and lighter.
The steering conveying mechanism of the semi-feeding harvesting operation mechanism of the combine harvester can control the laying position of the rice straw with the spike, and meets the position arrangement requirement of the follow-up related operation mechanism.
4. The semi-feeding harvesting operation mechanism of the combine harvester has small volume, so that the semi-feeding harvesting operation mechanism can be transversely arranged or longitudinally arranged, and can realize model diversification by being matched with different travelling mechanisms. The semi-feeding harvesting operation mechanism of the combine harvester has the advantages that the width of the harvesting mechanism is equal to the transverse size of the frame, the harvesting operation operability is better, and the machine type with different widths can be conveniently constructed according to the requirements.
Drawings
Fig. 1 is a schematic main structure of a half-feeding harvesting mechanism of a combine harvester according to an embodiment;
FIG. 2 is a schematic view of another view structure of a main body of a half-feed harvesting mechanism of the combine harvester according to the embodiment;
FIG. 3 is a schematic view of the structure of a main body of a half-feed harvesting mechanism of the combine harvester according to yet another embodiment;
FIG. 4 is a schematic perspective view of a discharge device of a semi-feed harvesting mechanism of the combine harvester;
FIG. 5 is a schematic view of the structure of a threshing cylinder section;
FIG. 6 is another schematic view of the threshing cylinder portion;
FIG. 7 is a schematic view of yet another construction of a threshing cylinder section;
FIG. 8 is a schematic view of yet another construction of a threshing cylinder section;
Fig. 9 is a schematic main layout structure of a half-feeding harvesting mechanism of the combine harvester according to another embodiment.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in the figure, the half-feeding harvesting operation mechanism of the combine harvester in the embodiment comprises a grain cutting mechanism 3, a grain pulling transverse conveying mechanism positioned above the grain cutting mechanism and a threshing mechanism positioned on a frame. In the concrete implementation, the grain cutting mechanism 3, the grain pulling transverse conveying mechanism and the threshing mechanism which are positioned above the grain cutting mechanism are all arranged on the frame 1, and the frame is also provided with the travelling mechanism 2 to drive the semi-feeding harvesting operation mechanism of the combine harvester to travel.
The reel transverse conveying mechanism in the embodiment comprises a reel separating plate 4, reels 5 arranged on the lower side of the reel separating plate, a limiting guide rod 6 for guiding the rice straw with ears to transversely move along the frame, a first chain conveyor 7 transversely arranged along the frame and used for pushing the rice straw with ears to transversely move along the frame, and a reel blocking plate 8 arranged above the first chain conveyor. Of course, in different embodiments, the reel cross-conveyor may take other forms.
The semi-feeding harvesting operation mechanism of the combine harvester further comprises a rice straw cutting mechanism, a steering conveying mechanism and an inclined lifting conveying mechanism.
The rice straw cutting mechanism is arranged at the discharge end of the reel transverse conveying mechanism and is used for cutting rice straw below rice ears. In this embodiment, the straw cutting mechanism includes a movable cutter shaft 11 vertically arranged, a movable blade 12 arranged on the movable cutter shaft, a fixed cutter shaft 13 vertically arranged beside the movable cutter shaft, and a fixed blade 14 arranged on the cooperation of the fixed cutter shaft and the movable blade.
The steering conveying mechanism is positioned above the rice straw cutting mechanism and is used for conveying the rice straw with ears after the rice straw is cut to the inclined lifting mechanism. In this embodiment, the steering conveying mechanism includes a horizontally arranged guiding slot 15, a standing grain supporting plate 16 arranged beside the guiding slot, and a second chain conveyor 17 for pushing the rice straw with ears to move along the guiding slot, wherein the guiding slot is used for guiding the rice straw with ears cut by the straw cutting mechanism to the feeding end of the inclined lifting conveying mechanism.
The inclined lifting conveying mechanism is arranged beside the feeding end of the threshing mechanism, and is used for conveying the rice straw with ears discharged by the steering conveying mechanism to the upper part of the feeding end of the threshing roller of the threshing mechanism. In this embodiment, the inclined lifting and conveying mechanism comprises an inclined belt conveyor 18, an inclined receiving plate 19 arranged at the lower end of the belt conveyor for receiving the rice straw with ears discharged from the steering and conveying mechanism, and toothed plates 20 arranged at both sides of the conveying belt of the belt conveyor for picking up the rice straw with ears poured on the inclined receiving plate and pushing the rice straw with ears upwards.
In the half-feeding harvesting operation mechanism of the combine harvester, the rice straw cutting mechanism is arranged to cut the rice straw with ears, and the rice straw with ears is lifted and conveyed to the upper part of the feeding end of the threshing cylinder of the threshing mechanism through the steering conveying mechanism and the inclined lifting conveying mechanism. The semi-feeding harvesting operation mechanism of the combine harvester can enable the rice stalks with ears to be placed and moved in order in the transferring and conveying process, and can accurately and directly feed the rice ears above the threshing cylinder. Compared with the existing semi-feeding combine harvester with rice ears entering from the lower part of the threshing cylinder, the semi-feeding combine harvester omits a conveying chain guide rod, a threshing depth adjusting mechanism, a full-time grass discharging dragging chain and other mechanisms which are arranged at the front and back of the threshing cylinder, and reduces the volume and weight of the combine harvester.
The threshing mechanism comprises a threshing cylinder, a cylinder shell arranged outside the threshing cylinder and a threshing feeding mechanism arranged above the cylinder shell, wherein an axial notch for rice straw to move along the axial direction of the threshing cylinder is arranged at the upper part of the cylinder shell, a spike rod inlet window is arranged at the feeding end of the cylinder shell, a straw discharging window is arranged at the discharging end of the cylinder shell, and the threshing feeding mechanism is used for pushing the rice straw with spikes to move along the axial notch.
In this embodiment, the threshing mechanism comprises a threshing cylinder 9, a cylinder shell 10 arranged outside the threshing cylinder and a threshing feeding mechanism arranged above the cylinder shell.
The upper part of the drum shell is provided with an axial notch 21 for rice straw to move along the axial direction of the threshing drum, the feeding end of the drum shell is provided with a spike straw inlet window 22, and the discharging end of the drum shell is provided with a rice straw discharging window 23.
The threshing and feeding mechanism is arranged above the roller shell and is used for pushing the rice straw with ears to move along the axial notch. In this embodiment, the threshing and feeding mechanism comprises a receiving guide plate 24 obliquely arranged at the lower side of the upper end of the belt conveyor, a plurality of vertically arranged rice straw supporting splints 25 positioned above the roller shell and beside the axial notch, and a third chain conveyor 26 for pushing the rice straw with ears to move along the rice straw supporting splints, wherein the length direction of the rice straw supporting splints is parallel to the axial direction of the threshing roller, one end of the rice straw supporting splints extends to the receiving guide plate to form an inclined rice straw leading-in section 27, and the receiving guide plate is provided with a lower extension part 28 for leading the rice ears into the roller shell.
In the embodiment, the threshing mechanism enables rice ears to enter from the top of the threshing cylinder, the characteristic structures of the cylinder shell and the threshing feeding mechanism are matched with each other, and the stable and reliable axial movement of rice stalks with ears on the upper part of the threshing cylinder is ensured, so that threshing and grass discharging are realized. The rice threshing mechanism is inclined downwards to prevent rice from splashing and leaking, and the rice with ears and rice stalks are not completely fed into the threshing cylinder, so that the threshing energy consumption is lower compared with that of a full-feeding combine harvester, and the rice straw chips in the threshing cylinder are less, thereby being more beneficial to grain separation.
The first chain conveyor, the second chain conveyor and the third chain conveyor in the embodiment all comprise chains and reel teeth which are arranged on the chains and push the rice straw with ears to move. In this embodiment, the threshing cylinder is arranged in a way that the axial direction of the threshing cylinder is parallel to the transverse direction of the frame, and in different embodiments, the threshing cylinder can be arranged in a way that the axial direction of the threshing cylinder is parallel to the longitudinal direction of the frame.
As an improvement to the above embodiment, the discharge end of the roller shell is further provided with a winnowing mechanism, the winnowing mechanism comprises an impeller shell 32 fixed at the discharge end of the roller shell and a grass discharging wheel 33 arranged in the impeller shell, the discharge end of the roller shell is further provided with a grass outlet 34 communicated with the lower part of the impeller shell, and the upper part of the impeller shell is provided with a grass discharging opening 35. This improvement makes under the rotation of grass discharging wheel 3, has axial wind flow between threshing cylinder and the separating screen, and axial wind flow can blow the straw to grass outlet 34, and from grass outlet exhaust straw is thrown out by grass discharging wheel from grass outlet 35, and this improvement can improve the grain and select separately the effect to avoid the straw bits to pile up at threshing cylinder bottom and cause the stifled problem of card.
The working process of the half-feeding harvesting operation mechanism of the combine harvester in the embodiment is as follows:
In the advancing process of the travelling mechanism, the rice straw is divided into different rows under the action of the straw dividing plate of the straw pulling transverse conveying mechanism, the straw pulling wheel pulls the rice straw backwards by an angle to enable the rice straw to enter between the limiting guide rod and the first chain conveyor, meanwhile, the straw cutting mechanism cuts off the rice straw from the lower part of the rice straw, the upper part of the cut rice straw leans against the straw blocking plate, and the straw blocking plate can avoid breakage of the upper part of the rice straw. The lower part of the cut rice straw with the ear enters the rice straw cutting mechanism under the action of the first chain conveyor, and the upper part of the rice straw with the ear enters the guide groove of the steering conveying mechanism. The rice straw cutting mechanism cuts the lower part of the rice straw with the ear into a plurality of sections and discharges the rice straw into a rice field, and the cut rice straw with the ear is conveyed to the feeding end of the inclined lifting conveying mechanism by the second chain conveyor in the guide groove. The rice straw with the ear is poured onto the inclined receiving plate 19 of the inclined lifting conveying mechanism after leaving the guide groove, the rice straw with the ear on the inclined receiving plate is pushed upwards by the belt conveyor and the toothed plate on the belt conveyor, the rice straw with the ear is discharged from the upper end of the belt conveyor to be discharged on the lower receiving guide plate 24, the rice straw with the ear enters the rice straw leading-in section 27 in the process of moving down along the receiving guide plate 24 and enters the reel pulling teeth of the third chain conveyor along the rice straw leading-in section, and meanwhile, the rice straw with the ear enters the roller shell from the ear entering window 22 under the guidance of the lower edge of the receiving guide plate. Under the pushing of the third chain conveyor, the rice straw with the rice ears moves along the axial notch at the upper part of the roller shell, the rice ears lean against the threshing roller under the action of gravity, and the rotating threshing roller collides with the rice ears to realize threshing. The grains removed are sorted by a sorting screen 29 arranged below the threshing cylinder and then enter a screw conveyor 30 arranged at the lower part of the cylinder shell, and the grains discharged by the screw conveyor are thrown out by a grain throwing mechanism 31. The grain throwing mechanism in the embodiment comprises a discharge pipe and a grain throwing impeller arranged in the lower end of the discharge pipe.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without threshing the spirit and scope of the technical solution of the present invention, which should be covered in the scope of the claims of the present invention.

Claims (4)

1.联合收割机半喂入收割作业机构，包括割禾机构、位于割禾机构上方的拨禾横向输送机构和位于机架上的脱粒机构，其特征在于：还包括稻杆切短机构、转向输送机构和倾斜提升输送机构；1. A semi-feeding harvesting mechanism for a combine harvester, comprising a rice-cutting mechanism, a rice-pushing transverse conveying mechanism located above the rice-cutting mechanism, and a threshing mechanism located on a frame, characterized in that it also comprises a rice-stalk shortening mechanism, a steering conveying mechanism, and an inclined lifting conveying mechanism; 所述稻杆切短机构设置在拨禾横向输送机构的排料端，用于将稻穗下方的稻杆切短；The rice stalk shortening mechanism is arranged at the discharge end of the rice-pulling transverse conveying mechanism and is used to shorten the rice stalks below the rice ears; 所述转向输送机构位于稻杆切短机构的上方，所述转向输送机构用于将切短稻杆后的带穗稻杆送向倾斜提升机构；The steering conveying mechanism is located above the rice stalk shortening mechanism, and is used to deliver the rice stalks with ears after the rice stalks are shortened to the inclined lifting mechanism; 所述倾斜提升输送机构设置在脱粒机构的进料端旁，倾斜提升机构用于将转向输送机构排出的带穗稻杆送向脱粒机构的脱粒滚筒进料端的上部；The inclined lifting conveying mechanism is arranged beside the feeding end of the threshing mechanism, and is used to convey the rice stalks with ears discharged by the steering conveying mechanism to the upper part of the feeding end of the threshing drum of the threshing mechanism; 所述脱粒机构包括脱粒滚筒、设置在脱粒滚筒外的滚筒壳体和设置在滚筒壳体的上方脱粒送料机构，所述滚筒壳体的上部设置有供稻杆沿脱粒滚筒轴向移动的轴向槽口，滚筒壳体的进料端设置有穗杆进入窗口，滚筒壳体的排料端设置有稻草排出窗口；脱粒送料机构用于推动带穗稻杆沿轴向槽口移动；The threshing mechanism comprises a threshing drum, a drum shell arranged outside the threshing drum, and a threshing feeding mechanism arranged above the drum shell, wherein the upper part of the drum shell is provided with an axial notch for the rice stalk to move along the axial direction of the threshing drum, the feeding end of the drum shell is provided with an ear stalk entry window, and the discharge end of the drum shell is provided with a rice straw discharge window; the threshing feeding mechanism is used to push the eared rice stalk to move along the axial notch; 所述脱粒送料机构包括倾斜设置在皮带输送机上端下侧的接料引导板、位于滚筒壳体上方并位于轴向槽口旁的若干块竖立布置的稻杆支撑夹板和推动带穗稻杆沿稻杆支撑夹板移动的第三链条输送机，所述稻杆支撑夹板的长度方向与脱粒滚筒的轴向平行，稻杆支撑夹板的一端延伸至接料引导板上形成倾斜的稻杆导入段；所述接料引导板具有将稻穗导入滚筒壳体内的下延部；The threshing and feeding mechanism comprises a receiving guide plate obliquely arranged at the lower side of the upper end of the belt conveyor, a plurality of vertically arranged rice stalk support clamps located above the drum shell and beside the axial notch, and a third chain conveyor for pushing the rice stalks with ears to move along the rice stalk support clamps, wherein the length direction of the rice stalk support clamps is parallel to the axial direction of the threshing drum, and one end of the rice stalk support clamps extends to the receiving guide plate to form an inclined rice stalk introduction section; the receiving guide plate has a lower extension portion for introducing the rice ears into the drum shell; 所述转向输送机构包括水平布置的导向槽、设置在导向槽旁的扶禾立板和推动带穗稻杆沿导向槽移动的第二链条输送机，所述导向槽用于将经稻杆切短机构切短后的带穗稻杆导向倾斜提升输送机构的进料端；The steering conveying mechanism comprises a horizontally arranged guide groove, a rice supporting plate arranged beside the guide groove, and a second chain conveyor for pushing the rice stalks with ears to move along the guide groove, wherein the guide groove is used to guide the rice stalks with ears that have been shortened by the rice stalk shortening mechanism to the feeding end of the inclined lifting conveying mechanism; 所述倾斜提升输送机构包括倾斜布置的皮带输送机、设置在皮带输送机下端用于接住从转向输送机构排出的带穗稻杆的倾斜接料板和设置在皮带输送机的输送带两侧用于拾取倒在倾斜接料板上的带穗稻杆并向上推送带穗稻杆的齿板。The inclined lifting conveying mechanism includes an inclined belt conveyor, an inclined receiving plate arranged at the lower end of the belt conveyor for receiving the rice stalks with ears discharged from the steering conveying mechanism, and tooth plates arranged on both sides of the conveyor belt of the belt conveyor for picking up the rice stalks with ears that fall on the inclined receiving plate and pushing the rice stalks with ears upward. 2.根据权利要求1所述的联合收割机半喂入收割作业机构，其特征在于：所述滚筒壳体的排料端还设置有风选机构，所述风选机构包括固定在滚筒壳体排料端的叶轮壳体和设置在叶轮壳体内的排草轮，滚筒壳体的排料端还设置有与叶轮壳体下部连通的出草口，叶轮壳体的上部设置有排草口。2. The semi-feed harvesting operation mechanism of the combine harvester according to claim 1 is characterized in that: the discharge end of the drum shell is also provided with a winnowing mechanism, and the winnowing mechanism includes an impeller shell fixed at the discharge end of the drum shell and a grass discharge wheel arranged in the impeller shell, the discharge end of the drum shell is also provided with a grass outlet connected to the lower part of the impeller shell, and the upper part of the impeller shell is provided with a grass outlet. 3.根据权利要求1所述的联合收割机半喂入收割作业机构，其特征在于：所述拨禾横向输送机构包括分禾板、设置在分禾板下侧的拨禾轮、引导带穗稻杆沿机架横向移动的限位导向杆、沿机架横向布置用于推动带穗稻杆沿机架横向移动的第一链条输送机和设置在第一链条输送机上方的挡禾板。3. The semi-feeding harvesting operation mechanism of the combine harvester according to claim 1 is characterized in that the straw-pushing lateral conveying mechanism includes a straw-pushing plate, a straw-pushing wheel arranged on the lower side of the straw-pushing plate, a limiting guide rod for guiding the rice stalks with ears to move horizontally along the frame, a first chain conveyor arranged horizontally along the frame for pushing the rice stalks with ears to move horizontally along the frame, and a straw baffle plate arranged above the first chain conveyor. 4.根据权利要求1所述的联合收割机半喂入收割作业机构，其特征在于：所述稻杆切短机构包括竖直设置的动刀轴、设置在动刀轴上的动刀片、竖直设置在动刀轴旁的定刀轴和设置在定刀轴与动刀片配合上的定刀片。4. The semi-feeding harvesting operation mechanism of the combine harvester according to claim 1 is characterized in that the rice straw shortening mechanism includes a vertically arranged moving knife shaft, a moving blade arranged on the moving knife shaft, a fixed knife shaft vertically arranged next to the moving knife shaft, and a fixed blade arranged on the fixed knife shaft and the moving blade.
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