CN113455177A

CN113455177A - Self-propelled wheel type grain combine harvester

Info

Publication number: CN113455177A
Application number: CN202110928547.8A
Authority: CN
Inventors: 赵科卫; 董志涛; 王靖涵
Original assignee: Zhengzhou Zhonglian Harvest Machinery Co Ltd
Current assignee: Zhengzhou Zhonglian Harvest Machinery Co Ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2021-10-01

Abstract

The invention discloses a self-propelled wheel type grain combine harvester which comprises a rack, a front axle and a rear axle, wherein the front axle and the rear axle are arranged at the lower end of the rack and used for mounting walking wheels, a cab is arranged at the left end of the rack, a harvesting assembly used for cutting off and harvesting crops is arranged at the end part of the rack close to the cab, and an inclined conveyor used for conveying materials is arranged at a discharge port of the harvesting assembly. The threshing chamber adopts a tangential flow roller and a longitudinal axial flow roller, the feeding is smooth, and the threshing is efficient; the engine is arranged in front, and the transmission is simple and reliable; the grain tank can adopt a dumping type or an auger high-position grain unloading mode, and the two grain unloading modes are simple and efficient.

Description

Self-propelled wheel type grain combine harvester

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a self-propelled wheel type grain combine harvester.

Background

The harvester is a machine for integrally harvesting crops. The harvesting and threshing are completed at one time, the grains are collected in a storage bin, then the grains are conveyed to a transport vehicle through a conveying belt, the grains can also be harvested manually, the straws of the crops such as rice, wheat and the like are laid in the field, and then the grains are picked up and threshed by a grain harvesting machine. A crop harvesting machine for harvesting grain crop seeds and straws of rice, wheat and the like.

The existing harvester has a complex structure and high cost, and based on the structure, the simplified self-propelled wheel type grain combine harvester is provided.

Disclosure of Invention

The invention aims to provide a self-propelled wheel type grain combine harvester, which solves the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a from walking wheeled cereal combine, includes the frame and sets up front axle and the rear axle that is used for installing the walking wheel at its lower extreme, the driver's cabin is installed to the frame left end, and the frame tip that is close to the driver's cabin is equipped with the header body and is used for cutting off the subassembly of reaping that reaps with crops, the discharge gate department of reaping the subassembly is equipped with the slope conveyer that is used for carrying the material, the output of slope conveyer is connected with the feed end of threshing assembly, threshing assembly is used for threshing the ear of grain on the crop straw, threshing assembly's discharge end connection is used for carrying out the screening subassembly of screening to the ear of grain.

As a further scheme of the invention: the harvesting assembly comprises a reel for shifting the grains to one side of the inclined conveyor and a cutter arranged at the lower side of the reel for cutting off the roots of the grains, and a feeding auger for further pushing the grains is further arranged in the shifting direction of the reel.

As a further scheme of the invention: threshing component flows cylinder and upper cover deflector and is used for the separation plate of threshing including surely flowing cylinder, axis of ordinates, is equipped with the axis of ordinates that is used for separating out seed grain, chaff, garrulous stem straw on the axis of ordinates flows the cylinder concave plate, surely flows the inside surely flowing concave plate that is equipped with of cylinder that is used for the separation that surely flows, axis of ordinates flows cylinder and upper cover deflector cooperation and is used for guiding cereal rearward screw motion, axis of ordinates flows cylinder discharge gate position and is equipped with the grass discharging wheel that is used for carrying long stem straw and is used for scattering the ware of throwing on ground evenly with long stem straw.

As a further scheme of the invention: the screening component comprises a cleaning chamber, wherein a shaking plate and a double-layer stepped screen for primarily screening materials and an air duct airflow for winnowing are arranged in the cleaning chamber; a grain auger for conveying materials is arranged below the double-layer stepped sieve, a grain conveying cylinder and a grain conveying fan which is arranged on the grain conveying cylinder and used for auxiliary feeding are arranged at the discharge port of the grain auger, and the discharge port of the grain conveying cylinder is connected with a grain tank.

As a further scheme of the invention: the double-layer stepped sieve comprises an upper sieve and a lower sieve, the impurity sieve holes at the rear section of the lower sieve correspond to the impurity auger inlet, and the impurity auger outlet is connected with a re-threshing device which is used for re-threshing the materials and throwing the materials back to the upper sieve.

As a still further scheme of the invention: the tail of the rack is provided with an oil tank, and an engine is mounted on the rack close to the cab.

As a further scheme of the invention: and a grain tank bottom auger, a grain tank vertical auger and a grain tank top auger for conveying grains are arranged on the grain tank.

Compared with the prior art, the invention has the beneficial effects that: the grain harvester has the advantages of compact structure, flexibility, high operating efficiency, multiple purposes and good harvesting quality, and can complete the whole-course harvesting operation of cutting, conveying, cleaning and separating, grain collecting and grain unloading and loading of grains at one time. The threshing chamber adopts a tangential flow roller and a longitudinal axial flow roller, the feeding is smooth, and the threshing is efficient; the engine is arranged in front, and the transmission is simple and reliable; the grain tank can adopt a dumping type or an auger high-position grain unloading mode, and the two grain unloading modes are simple and efficient.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

Fig. 3 is a rear view of the structure of the present invention.

Wherein: 1. a reel; 2. cutting the table body; 3. feeding an auger; 4. an inclined conveyor; 5. a cab; 6. a front axle; 7. a frame; 8. a tangential flow roller; 9. an engine; 10. a longitudinal axial flow drum; 11. a grain bin; 12. sieving; 13. sieving; 14. a grass discharging wheel; 15. an oil tank; 16. a spreader; 17. a rear axle; 18. a longitudinal axial flow recess plate; 19. a screen box; 20. a rethreshing device; 21. a grain conveying cylinder; 22. a shaking plate; 23. a grain conveying fan; 24. a cleaning fan; 25. a tangential flow concave plate; 26. and a cutter.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a self-propelled wheel type grain combine harvester includes a frame 7, and a front axle 6 and a rear axle 17 provided at a lower end thereof for mounting traveling wheels, wherein a cab 5 is mounted at a left end of the frame 7, a header body 2 and a harvesting assembly for cutting off and harvesting crops are provided at an end of the frame 7 close to the cab 5, an inclined conveyor 4 for conveying materials is provided at a discharge port of the harvesting assembly, an output end of the inclined conveyor 4 is connected with a feed end of a threshing assembly, the threshing assembly is used for threshing grains on crop straws, and a discharge end of the threshing assembly is connected with a screening assembly for screening the grains;

the harvesting assembly comprises a reel 1 for shifting grains to one side of the inclined conveyor 4 and a cutter 26 arranged at the lower side of the reel 1 for cutting off the roots of the grains, a feeding auger 3 for further pushing the grains is further arranged in the shifting direction of the reel 1, the grains are shifted to one side through the reel 1, the roots are cut by the cutter 26 at the moment, and the cut grains enter the inclined conveyor 4 under the conveying of the feeding auger 3 to finish the transmission;

the threshing component comprises a tangential flow roller 8, a longitudinal axis flow roller 10, an upper cover guide plate and a separation plate for threshing, wherein a longitudinal axis flow roller concave plate 18 for separating grains, chaffs and stalk scraps is arranged on the longitudinal axis flow roller 10, a tangential flow concave plate 25 for separating is arranged in the tangential flow roller 8, the longitudinal axis flow roller 10 and the upper cover guide plate are matched for guiding grains to move backwards in a spiral manner, a grass discharging wheel 14 for conveying long stalk straws and a throwing device 16 for uniformly scattering the long stalk straws to the ground are arranged at a discharge port of the longitudinal axis flow roller 10;

the screening component comprises a cleaning chamber, wherein a shaking plate 22 and a double-layer ladder screen for primarily screening materials and air duct airflow for winnowing are arranged in the cleaning chamber;

a grain auger for conveying materials is arranged below the double-layer stepped sieve, a grain conveying cylinder 21 and a grain conveying fan 23 which is arranged on the grain conveying cylinder 21 and is used for auxiliary feeding are arranged at the discharge port of the grain auger, and the discharge port of the grain conveying cylinder 21 is connected with the grain tank 11;

the double-layer stepped sieve comprises an upper sieve 12 and a lower sieve 13, the impurity sieve holes at the rear section of the lower sieve 13 correspond to the inlet of the impurity auger, and the outlet of the impurity auger is connected with a re-thresher 20 for re-threshing the materials and throwing the materials back to the upper sieve 12;

an oil tank 15 is arranged at the tail part of the frame 7, and an engine 9 is arranged on the frame 7 close to the cab 5.

The working principle of the invention is as follows: the reel 1 firstly pulls and guides the grains backwards to the cutter 26, at the same time, after the cutter cuts the grains, the reel 1 continuously pushes the grains to the header feeding screw feeder 3, the feeding screw feeder 3 pushes and collects the cut grains to the feeding inlet in the middle of the header, the feeding screw feeder 3 pulls the grains to the inclined conveyor 4 by the telescopic teeth, the grains are sent to the tangential flow roller 8 by the chain harrow of the inclined conveyor 4 for threshing, then the grains are thrown tangentially to the longitudinal flow roller 10, the grains move backwards in a spiral way under the action of the longitudinal flow roller and the upper cover guide plate, the threshing and the separation are completed under the action of the separation plate, and the long stalk straws fall into the straw discharge wheel 15 and then are thrown to the thrower 16 to be uniformly scattered to the ground.

The roller threshing materials such as grains, chaff, broken stem straws, sundries and the like separated from the longitudinal axial flow roller concave plate 18 fall on a cleaning room shaking plate 22 in sequence. The materials jump from front to back under the vibration of the shaking plate to layer, i.e. the grains sink, and the chaffs and the crushed stalks float upwards. When the chaff is pushed to the grid bars at the tail part, the mixture of grains, chaffs and the like falls down from the gaps of the grid bars to form a material curtain, and the lighter chaffs and stalks are directly discharged out of the machine under the action of the cleaning fan 24, thereby reducing the burden of the screen surface. The seeds fall into the front part of the screen box 19, and the broken stalks and impurities which are not sucked away are supported by the grid bars to be further separated and blown to the rear part or blown out of the machine body, so that the load of the screen surface is greatly reduced.

After primary separation, the materials enter a cleaning chamber, under the alternate action of air flow of an air duct and a double-layer stepped sieve, grains fall from sieve pores and are pushed and transported by a grain auger to the right, and the grains are sent into a grain tank 11 through a grain sending fan 23 and a grain sending barrel 21. Removing impurities and discharging the rest mixture. The un-threshed spike heads fall into a trash auger through a trash sieve pore at the rear section of the lower sieve 13, are pushed to a right-end rethresher 20, are rethreshed and then are thrown back to the upper sieve 12 for recleaning.

After the grain tank is full, the grain tank is unloaded into the grain conveying vehicle through the bottom auger of the grain tank, the vertical auger of the grain tank and the top auger of the grain tank.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.

Claims

1. The utility model provides a from walking wheeled cereal combine, includes frame (7) and sets up front axle (6) and rear axle (17) that are used for installing the walking wheel at its lower extreme, driver's cabin (5) are installed to frame (7) left end, its characterized in that, frame (7) tip that is close to driver's cabin (5) is equipped with header body (2) and is used for cutting off the subassembly that reaps with crops, the discharge gate department of reaping the subassembly is equipped with inclined conveyor (4) that are used for carrying the material, the output of inclined conveyor (4) is connected with threshing assembly's feed end, threshing assembly is used for threshing the ear of grain on the crop straw, threshing assembly's discharge end is connected and is used for carrying out the screening subassembly that sieves to the ear of grain.

2. Self-propelled wheeled grain combine harvester according to claim 1, characterised in that the harvesting assembly comprises a reel (1) for pulling the grain towards the side of the inclined conveyor (4) and a cutter (26) arranged at the lower side thereof for cutting off the roots of the grain, the pulling direction of the reel (1) being further provided with a feed auger (3) for pushing the grain further.

3. The self-propelled wheeled grain combine harvester according to claim 1, wherein the threshing assembly comprises a tangential flow drum (8), a longitudinal flow drum (10), an upper cover guide plate and a separation plate for threshing, the longitudinal flow drum (10) is provided with a longitudinal flow drum concave plate (18) for separating grains, chaffs and crushed stalks, the tangential flow drum (8) is internally provided with a tangential flow concave plate (25) for separating, the longitudinal flow drum (10) and the upper cover guide plate are matched for guiding grains to move spirally backwards, and a discharge port of the longitudinal flow drum (10) is provided with a grass discharging wheel (14) for conveying long stalk straws and a sprinkling device (16) for sprinkling the long stalk straws to the ground uniformly.

4. The self-propelled wheeled grain combine harvester of claim 1, wherein the screen assembly includes a cleaning compartment having a shaker deck (22) and a double-deck ladder screen for primary screening of material and a duct airflow for air separation therein; a grain auger for conveying materials is arranged below the double-layer stepped sieve, a grain conveying cylinder (21) and a grain conveying fan (23) which is arranged on the grain conveying cylinder and used for auxiliary feeding are arranged at the discharge port of the grain auger, and the discharge port of the grain conveying cylinder (21) is connected with a grain tank (11).

5. The self-propelled wheeled grain combine harvester according to claim 4, wherein the double-deck ladder screen comprises an upper screen (12) and a lower screen (13), the rear trash screen holes of the lower screen (13) correspond to the entrance of a trash auger, and the trash auger exit is connected to a rethresher (20) for rethreshing and throwing back the material to the upper screen (12).

6. Self-propelled wheeled grain combine harvester according to claim 1, characterised in that the frame (7) is provided at its rear with an oil tank (15) and in that the frame (7) near the cab (5) is provided with an engine (9).

7. The self-propelled wheeled grain combine harvester according to claim 4, wherein the grain tank (11) is provided with a tank bottom auger, a tank vertical auger and a tank top auger for conveying grains.