阅读说明：本技术 多功能斜坡式大型水稻收获机 (Multifunctional slope type large rice harvester ) 是由 赵传光 于 2019-10-18 设计创作，主要内容包括：本发明属于农作物收割机械领域,具体涉及一种多功能斜坡式大型水稻收获机,斜坡挡板向后倾斜,拨禾齿具设置在斜坡挡板前方,斜坡挡板前方并列设有若干组拨禾齿具,相邻的拨禾齿具的传动齿轮啮合,最外侧的两个拨禾齿具的传动齿轮分别与斜坡挡板两侧的主动齿轮啮合,分禾板设置在拨禾齿具的上前方,分禾板前端设有导禾斜边；所述谷粒收集装置包括后置挡板、振动筛、绞龙槽,后置挡板和胶皮挡板之间设有第一物料通道,振动筛前低后高设置在胶皮托板下方,振动筛前边与斜坡挡板底面之间设有第二物料通道,绞龙槽设置在振动筛下方。本机型重量轻、功能多、收割宽幅大,且有利于保护作业人员健康。(the invention belongs to the field of crop harvesting machinery, and particularly relates to a multifunctional slope type large-scale rice harvester.A slope baffle is inclined backwards, reel teeth are arranged in front of the slope baffle, a plurality of groups of reel teeth are arranged in parallel in front of the slope baffle, transmission gears of adjacent reel teeth are meshed, transmission gears of two reel teeth at the outermost sides are respectively meshed with driving gears at two sides of the slope baffle, a seedling dividing plate is arranged in the upper front of the reel teeth, and a seedling guide bevel edge is arranged at the front end of the seedling dividing plate; the grain collecting device comprises a rear baffle, a vibrating screen and an auger groove, a first material channel is arranged between the rear baffle and the rubber baffle, the front side of the vibrating screen is low, the rear side of the vibrating screen is high and is arranged below the rubber supporting plate, a second material channel is arranged between the front side of the vibrating screen and the bottom surface of the slope baffle, and the auger groove is arranged below the vibrating screen. The harvester has light weight, multiple functions and large harvesting width, and is favorable for protecting the health of operators.)

1. A multifunctional slope type large-scale rice harvester comprises a driving system, a header, a conveying mechanism, a threshing mechanism, a grass chopping mechanism and a grain collecting mechanism, and is characterized in that,

The cutting table comprises a grain cutting tool, grain shifting gears, a slope baffle and a grain dividing plate, the slope baffle inclines backwards, the grain cutting tool is arranged on the lower edge of the slope baffle and is connected with a driving system, the grain shifting gears are arranged in front of the slope baffle and comprise an upper chain gear, a lower chain gear, a chain and a driving gear, the chain is connected with the two chain gears in a bridging mode, grain shifting hanging teeth are arranged on the chain, the lower chain gear is arranged in front of the grain cutting tool, a transmission gear which is coaxially linked with the upper chain gear is arranged above the upper chain gear, a plurality of groups of grain shifting gears are arranged in front of the slope baffle in parallel, the transmission gears of adjacent grain shifting gears are meshed, the transmission gears of the two grain shifting gears at the outermost sides are respectively meshed with the driving gears at the two sides of the slope baffle, the driving gear is connected with the driving system, the grain dividing plate is arranged in front of the grain;

The conveying mechanism comprises a grain pressing roller connected with the driving system, the grain pressing roller is arranged on a slope baffle plate surface above the grain poking tooth set, and grain pressing teeth are arranged on the wall of the grain pressing roller;

the threshing mechanism comprises a rubber supporting plate and a threshing cylinder connected with a driving system, the rubber supporting plate is arranged with a higher front part and a lower back part, the front edge of the rubber supporting plate is connected with the upper edge of a slope baffle, the threshing cylinder is arranged above the rubber supporting plate,

the grass chopping mechanism comprises a grass chopping cutter which is arranged on the rear edge of the rubber supporting plate;

The grain collecting device comprises a rear baffle, a vibrating screen and an auger groove, the rear baffle is vertically arranged at the rear of the rubber support plate, a first material channel is arranged between the rear baffle and the rubber baffle, the front part of the vibrating screen is low, the rear part of the vibrating screen is arranged below the rubber support plate, the rear edge of the vibrating screen is connected with the lower edge of the rear baffle, a second material channel is arranged between the front edge of the vibrating screen and the bottom surface of the slope baffle, and the auger groove is arranged below the vibrating screen.

2. The large multifunctional slope-type rice harvester as claimed in claim 1, wherein the threshing cylinder is provided with flat rubber strip teeth, and when the threshing cylinder rotates, the rubber strip teeth are beaten on the rice ear stems on the rubber supporting plate.

3. The multi-functional large-scale slope rice harvester according to claim 2, wherein the tooth length of the rubber strip is 15 cm.

4. The multi-functional large-scale rice harvester with slope of claim 1, wherein said reel teeth are made of hard plastic.

5. The multifunctional large-sized slope rice harvester according to claim 1, wherein the rubber supporting plate is 50cm wide in front and back.

6. The multifunctional large-scale slope rice harvester according to claim 1, wherein the angle between the slope baffle and the ground is 75 °.

Technical Field

the invention belongs to the field of crop harvesting machinery, and particularly relates to a multifunctional slope type large-scale rice harvester.

Background

at present, agricultural harvesting machines used at home and abroad are single-item operation, the full-feeding harvester can achieve the harvesting effect only by smashing rice straws, and is coarse and heavy in threshing, grass smashing and spare and accessory parts under heavy load operation, a large reel is adopted, the machine body is too heavy, the service life of the whole machine is reduced due to heavy load abrasion and overload rotating speed, the operation and maintenance cost is high, the existing harvester has single function, can be used only when harvesting rice, and is placed in a machine warehouse in an idle mode at ordinary times.

Disclosure of Invention

The invention aims to provide a multifunctional slope type large-scale rice harvester to solve the problems in the prior art.

The technical scheme for realizing the aim of the invention is as follows,

a multifunctional slope type large-scale rice harvester, which comprises a driving system, a header, a conveying mechanism, a threshing mechanism, a grass crushing mechanism and a grain collecting mechanism,

The cutting table comprises a grain cutting tool, grain shifting gears, a slope baffle and a grain dividing plate, the slope baffle inclines backwards, the grain cutting tool is arranged on the lower edge of the slope baffle and is connected with a driving system, the grain shifting gears are arranged in front of the slope baffle and comprise an upper chain gear, a lower chain gear, a chain and a driving gear, the chain is connected with the two chain gears in a bridging mode, grain shifting hanging teeth are arranged on the chain, the lower chain gear is arranged in front of the grain cutting tool, a transmission gear which is coaxially linked with the upper chain gear is arranged above the upper chain gear, a plurality of groups of grain shifting gears are arranged in front of the slope baffle in parallel, the transmission gears of adjacent grain shifting gears are meshed, the transmission gears of the two grain shifting gears on the outermost side are respectively meshed with the driving gears on two sides of the slope baffle, the driving gear is connected with the driving system, the grain dividing plate is arranged in front of the grain shifting gears;

the conveying mechanism comprises a grain pressing roller connected with the driving system, the grain pressing roller is arranged on a slope baffle plate surface above the grain poking tooth set, and grain pressing teeth are arranged on the wall of the grain pressing roller;

The threshing mechanism comprises a rubber supporting plate and a threshing cylinder connected with a driving system, the rubber supporting plate is arranged with a higher front part and a lower back part, the front edge of the rubber supporting plate is connected with the upper edge of a slope baffle, the threshing cylinder is arranged above the rubber supporting plate,

The grass chopping mechanism comprises a grass chopping cutter which is arranged on the rear edge of the rubber supporting plate;

the grain collecting device comprises a rear baffle, a vibrating screen and an auger groove, the rear baffle is vertically arranged at the rear of the rubber support plate, a first material channel is arranged between the rear baffle and the rubber baffle, the front part of the vibrating screen is low, the rear part of the vibrating screen is arranged below the rubber support plate, the rear edge of the vibrating screen is connected with the lower edge of the rear baffle, a second material channel is arranged between the front edge of the vibrating screen and the bottom surface of the slope baffle, and the auger groove is arranged below the vibrating screen.

Furthermore, flat rubber strip teeth are arranged on the surface of the threshing cylinder, and when the threshing cylinder rotates, the rubber strip teeth are rapidly drawn and beaten on the rubber supporting plate.

Further, the tooth length of the rubber strip is 15 cm.

Furthermore, the reel teeth are made of hard plastic.

Further, the front and back width of the rubber supporting plate is 50 cm.

Further, the inclined angle between the inclined baffle and the ground is 75 degrees.

When the harvester is used, when the harvester is pushed forwards, rice is guided onto the seedling shifting and hanging teeth of the seedling shifting teeth under the action of the seedling guiding bevel edge of the seedling dividing plate, the rice stems are cut off by the seedling cutting tool below the seedling shifting and hanging teeth, the seedling shifting and hanging teeth move upwards along the slope under the traction of the chain, the cut rice is pulled to the position below the seedling pressing roller by the seedling shifting and hanging teeth, the disordered rice stems are flattened and conveyed to the rubber supporting plate under the action of the seedling pressing roller, grains on rice ears are threshed by the threshing roller, the threshed rice stems are cut when passing through the seedling crushing cutter, the rice stems and the grains fall onto the vibrating screen through the first material channel, the grains are separated from the rice stems under the action of the vibrating screen, the grains fall into the auger groove below the vibrating screen through the vibrating screen, and the cut rice stems fall onto the ground from the second material channel under the action of gravity along the vibrating screen.

The invention has the following advantages: the harvester is light in weight, and only a short-distance reel tooth is arranged on the harvester to replace a large reel wheel commonly used by the existing harvester from the viewpoint of reducing the weight of the harvester; secondly, the machine type is designed in a closed mode, and no dust environment exists in the whole operation process, so that the health of operators is guaranteed; thirdly, the harvesting width of the machine is easy to expand, the harvesting width can be expanded by increasing the number of the reel gears, and the width of the machine can reach 1.5 times of that of the same modern machine; the machine has multiple functions, can cut rice straws into small sections, lift the grass smashing cutter off, retain the rice straws, can harvest forage grass, can harvest the forage grass by taking down the threshing cylinder and the vibrating screen, can carry out field digging operation by lifting machinery and mounting simple field digging equipment, and improves the utilization rate of the harvester.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a schematic top view of an embodiment of the present invention;

fig. 3 is a schematic side view of an embodiment of the present invention.

In the figure, 1, a cutting tool for rice; 2. a reel tooth tool; 21. an upper chain gear; 22. a transmission gear; 23. a driving gear; 3. a slope baffle; 4. a seedling dividing plate; 5. a straw pressing roller; 6. a rubber supporting plate; 7. a threshing cylinder; 8. a grass chopping cutter; 9. a rear baffle plate; 10. vibrating screen; 11. auger groove. Arrow a represents the first material path; arrow b indicates the second material passage.

The front and the back of the harvester are referred to the advancing direction of the harvester.

Detailed Description

The present invention will be described in detail below with reference to examples.

Referring to fig. 1-2, a multifunctional slope type large-scale rice harvester comprises a driving system, a header, a conveying mechanism, a threshing mechanism, a grass chopping mechanism and a grain collecting mechanism,

the header comprises a grain cutting cutter 1, a grain shifting tooth tool 2, a slope baffle 3 and a grain dividing plate 4, wherein the slope baffle 3 inclines backwards, in the embodiment, the slope baffle 3 inclines backwards by 75 degrees, a proper inclination angle is selected to be beneficial to upward conveying of crops, and simultaneously, the size of the header is reduced, the grain cutting cutter 1 is arranged at the lower edge of the slope baffle 3, the grain cutting cutter 1 is connected with a driving system, the grain shifting tooth tool 2 is arranged in front of the slope baffle 3 and comprises an upper chain gear, a lower chain gear, a chain and a driving gear 23, wherein the chain is connected with the two chain gears in a bridging manner, grain shifting hanging teeth are arranged on the chain, the lower chain gear is arranged in front of the grain cutting cutter 1, a transmission gear 22 which is coaxially linked with the upper chain gear 21 is arranged above the upper chain gear, a plurality of groups of grain shifting tooth tools 2 are arranged in parallel in front of the slope baffle 3, the transmission gears 22 of the adjacent grain shifting tooth tools 2 are, the driving gear 23 is connected with a driving system, the driving gear 22 drives the upper chain gear 21 to rotate, the chain belt drives the seedling shifting and hanging teeth to circularly move up and down along the surface of the slope baffle 3, the seedling dividing plate 4 is arranged in front of the seedling shifting teeth 2, the front end of the seedling dividing plate 4 is provided with a seedling guiding bevel edge, and the seedling dividing plate 4 is used for guiding all the front rice to a seedling shifting and hanging tooth ascending channel of the seedling shifting teeth 2;

The conveying mechanism comprises a straw pressing roller 5 connected with the driving system, the straw pressing roller 5 is arranged on the surface of the slope baffle 3 above the straw shifting gear set 2, and straw pressing teeth are arranged on the wall of the straw pressing roller 5; the crop conveyed by the reel tooth 2 is flattened by the straw pressing roller 5 and is continuously conveyed to the rubber supporting plate 6 at the rear part,

the threshing mechanism comprises a rubber supporting plate 6 and a threshing cylinder 7 connected with a driving system, the rubber supporting plate 6 is arranged high in front and low in back, and the back edge of the rubber supporting plate 6 inclines downwards, so that the agricultural materials can slide downwards backwards under the action of gravity. The front edge of the rubber supporting plate 6 is connected with the upper edge of the slope baffle 3, the threshing cylinder 7 is arranged at the front upper part of the rubber supporting plate,

the grass chopping mechanism comprises a grass chopping cutter 8 which is arranged at the rear edge of the rubber supporting plate;

Grain collection device includes rearmounted baffle 9, the shale shaker 10, auger groove 11, rearmounted baffle 9 is vertical to be set up at the rear of rubber layer board, rearmounted baffle 9 sets up and is favorable to blockking the grain after being threshed by threshing cylinder 7 pump, ensure that the grain is whole to lead to first material passageway, be equipped with first material passageway an between rearmounted baffle 9 and the rubber layer board, the high setting in the low back in the front of shale shaker 10 is in rubber layer board below, the high crops that is favorable to sliding forward in the low back in the front of shale shaker 10, discharge remaining straw, the back border of shale shaker 10 meets with the lower edge of rearmounted baffle 9, be equipped with second material passageway b between the preceding of shale shaker 10 and the 3 bottom surface of slope baffle, auger groove 11 sets up in shale shaker 10 below.

Furthermore, the threshing cylinder 7 is provided with flat rubber strip teeth with the length of 15cm, when the threshing cylinder 7 rotates, the rubber strip teeth rapidly whip the rice ear stems on the rubber supporting plate, soft threshing is facilitated by using the rubber strip teeth, and grain breaking is prevented.

furthermore, the reel teeth 2 are made of hard plastic, so that the weight of the whole machine body can be reduced, and the manufacturing cost is saved.

Further, the rubber supporting plate 6 is 50cm wide in the front and back, and the proper length can ensure that the rice ears can be completely threshed on the plate.