CN215957213U

CN215957213U - Maize picker that transmission efficiency is high

Info

Publication number: CN215957213U
Application number: CN202121776317.6U
Authority: CN
Inventors: 李衡; 李侠; 杨香林
Original assignee: Hebei Yinghu Agricultural Machinery Manufacturing Co Ltd
Current assignee: Hebei Yinghu Agricultural Machinery Manufacturing Co Ltd
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2022-03-08
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a corn harvester with high transmission efficiency, which comprises an engine, a header, a large elevator, a peeler, a granary and a field returning machine. It is connected with the header, the elevator, the peeler, the granary and the field returning machine. The knife roller is arranged inside the field returning machine. The end of the knife roller is provided with the input wheel of the field returning machine. The chain is drivingly connected to one end of the main drive shaft of the engine, and the other end of the main drive shaft of the engine is connected to the input wheel of the returning machine through a belt or a chain. The device of the corn harvester provided by the utility model has the advantages of low transmission stages, high transmission efficiency, few transmission shafts, simple structure and small occupied space, and is a corn harvester with high transmission efficiency and high returning quality.

Description

Maize picker that transmission efficiency is high

Technical Field

The utility model relates to a corn harvester with high transmission efficiency, and belongs to the technical field of corn harvesters.

Background

A corn harvester is an agricultural machine for harvesting corn and is provided with a header, an elevator, a peeler, a granary and a field returning machine. The corn ears are picked from corn plants by the header, the corn ears are lifted to the peeling machine by the elevator for peeling, and the peeled corn ears directly enter the granary for collection. The corn straws are smashed and returned to the field by a field returning machine positioned at the lower end of the vehicle body. The header, the elevator, the peeling machine, the granary, the field returning machine and other devices are in transmission connection with the engine through a transmission system, and the devices are driven to work through the engine.

For example, prior patent 202021838447.3 discloses a novel bilateral transmission corn harvester header, wherein two ends of a middle rotating shaft of the header respectively drive the assembly of a left upper middle transmission shaft and the assembly of a right upper middle transmission shaft, the left upper middle transmission shaft and the right upper middle transmission shaft are respectively connected with a left straw chopper and a right straw chopper through double rows of chains, the left upper middle transmission shaft and the right upper middle transmission shaft respectively drive a left lower middle transmission shaft and a right lower middle transmission shaft through double rows of chains, and the left lower middle transmission shaft and the right lower middle transmission shaft are used for connecting four ear picking units, two small elevators and two packing augers; the utility model solves the problems that the header transmission chain of the corn harvester in the prior art is easy to generate heat and break, the transmission shaft is easy to bend, and the header transmission reliability is not high, so that the header transmission arrangement is more reasonable, the load distribution is uniform, the operation is stable, and the reliability is improved; according to the header, bilateral transmission on two sides of the header is realized, all transmission parts are symmetrically arranged, the universality of parts is high, and the maintenance is very convenient. However, the transmission system of the harvester header is complex, the number of transmission stages is large, the transmission efficiency is high, only the harvesting of the ears can be performed, the cutting of the straws cannot be performed, an additional straw harvester is required to harvest the corn when the corn is harvested, and the practicability is low.

For example, prior patent 201922301677.X discloses a corn husker drive system connected to a drive shaft. The belt transmission is adopted in a large amount, and the whole transmission system is arranged on the right side of the whole machine in a centralized manner, so that the structure is simpler and more reliable, the transmission is more stable and softer, the noise is low, the cost is low, and the adjustment is easy; the chain is adopted for reversing, so that the layout and the installation are easy, the processing precision of parts is reduced, and the cost is reduced. However, the structure of the peeling machine is unreasonable, and the transmission system needs to be arranged independently, so that the structure and the transmission stage number of the transmission system are additionally increased, the failure rate is increased, the transmission efficiency is reduced, and the energy consumption is increased.

In addition, header, lift conveyer, peeler, granary and still field machine on the current harvester all need set up solitary transmission system, lead to the space structure of the whole car of harvester more complicated, and the transmission progression is more moreover, reduces transmission efficiency, has increased the energy consumption.

Therefore, how to provide a corn harvester with high transmission efficiency and simple structure is one of the technical difficulties which are urgently needed to be solved at present.

SUMMERY OF THE UTILITY MODEL

In view of the prior art, the utility model aims to provide a high-efficiency corn harvester, which integrates the transmission systems of a header, an elevator, a peeling machine, a granary and a field returning machine, optimizes the transmission structure, reduces the transmission stages and improves the transmission efficiency. And the straw cutting roller is arranged below the header, corn stalks are cut off in advance, and then are crushed and returned to the field under the action of the field returning machine at the lower end of the vehicle body, so that the practicability of the harvester is improved.

The purpose of the utility model is realized by the following technical scheme.

The utility model provides a maize picker that transmission efficiency is high, including the engine, the header, big lifting transport device, the peeler, the granary and still field machine, be provided with the edulcoration fan on the big lifting transport device, the engine passes through transmission system and header, lifting transport device, the peeler, the granary is connected with still field machine transmission, still field machine's inside is provided with the rotor, the tip of rotor is provided with still field machine input wheel, the engine output wheel of engine passes through the belt or the chain is connected with the one end transmission of engine final drive shaft, the other end of engine final drive shaft passes through the belt or the chain is connected with still field machine input wheel transmission of still field machine.

Further, the header comprises a header frame, the header frame is provided with an ear harvesting mechanism, the ear harvesting mechanism comprises a left gearbox and a right gearbox, the front ends of the left gearbox and the right gearbox are respectively provided with ear picking double rollers and a gearbox output shaft, the end part of the gearbox output shaft is in transmission connection with a reversing block, the reversing block is arranged on the header frame, the top end of the reversing block is provided with a reversing block output wheel, the front of the reversing block is provided with a grain pulling wheel and a tensioning wheel, the reversing block output wheel, the grain pulling wheel and the tensioning wheel are provided with side grain pulling chains in a matching way, a small elevator is arranged between the left gearbox and the right gearbox, the upper end and the lower end of the small elevator are respectively provided with a small elevator driving shaft and a small elevator driven shaft, the front end of the small elevator is provided with a middle left reversing block, the side surface of the middle left reversing block is provided with a middle left reversing block input shaft, and the top surface is provided with a middle left reversing block output wheel, the small elevator driven shaft is in transmission connection with the left reversing block input shaft through a belt or a chain, the front end of the small elevator is provided with a middle left grain pulling chain, a middle left grain pulling wheel and a middle left tensioning wheel, the middle left grain pulling chain surrounds the middle left tensioning wheel, the middle left grain pulling wheel and the middle left reversing block output wheel, the front end of the small elevator is also provided with a middle right reversing block, the side surface of the middle right reversing block is provided with a middle right reversing block input shaft, the top surface of the middle right reversing block is provided with a middle right reversing block output wheel, the middle right reversing block input shaft is in transmission connection with the middle left reversing block input shaft, the small elevator driven shaft is in transmission connection with the left reversing block input shaft through a belt or a chain, and the middle right reversing block and the middle left reversing block are driven to work simultaneously, a middle right grain pulling chain, a middle right grain pulling wheel and a middle right tension wheel are arranged at the front end of the small elevator, and the middle right grain pulling chain surrounds the middle right tension wheel, the middle right grain pulling wheel and the middle right reversing block output wheel.

Furthermore, a header main shaft is arranged on a header frame of the header, a straw cutting roller is further arranged at the bottom of the header frame, the header main shaft is in transmission connection with a cutting roller input shaft of the straw cutting roller through a belt or a chain, a header packing auger is further arranged at the rear end of the header frame, and the outlet end of the small elevator corresponds to the header packing auger.

Furthermore, a gearbox transmission shaft is further arranged on the header frame, the gearbox transmission shaft is in transmission connection with the left gearbox and the right gearbox through a gearbox transmission shaft output wheel arranged on the gearbox transmission shaft so as to drive the left gearbox and the right gearbox to work, the gearbox transmission shaft is in transmission connection with a small elevator driving shaft through a belt or a chain, and the small elevator driving shaft is in transmission connection with a header auger shaft of the header auger through a belt or a chain.

Furthermore, an engine output wheel of the engine is in transmission connection with a header main transmission shaft through a belt or a chain, and the header main transmission shaft is in transmission connection with a header main shaft through a belt or a chain.

Furthermore, an engine output wheel is in transmission connection with one end of an engine main transmission shaft through a belt or a chain, the engine main transmission shaft is in transmission connection with a peeler main transmission shaft through a belt or a chain, the peeler main transmission shaft is in transmission connection with a large elevator transmission shaft through a belt or a chain, the large elevator transmission shaft is in transmission connection with a large elevator driving shaft of a large elevator through a belt or a chain, the large elevator driving shaft drives an impurity removal fan shaft of an impurity removal fan to rotate through the belt or the chain, and the impurity removal fan shaft drives fan blades in the impurity removal fan to rotate.

Furthermore, a main transmission shaft of the peeling machine is in transmission connection with an intermediate transmission shaft through a gear meshing transmission structure, and the intermediate transmission shaft is in transmission connection with a crushing roller shaft of a crushing roller in the sheet jelly machine through a belt or a chain.

Furthermore, a main transmission shaft of the peeling machine is in transmission connection with a transmission shaft of the peeling roller through a belt or a chain, the peeling roller is provided with a first bevel gear, and a peeling roller shaft of the peeling roller is provided with a second bevel gear meshed with the first bevel gear.

Furthermore, a transmission shaft of the peeling roller is in transmission connection with one end of a lower auger shaft of the lower auger, one end of an upper auger shaft of the upper auger and a transmission shaft of the cleaning fan through a belt or a chain, and the transmission shaft of the cleaning fan is in transmission connection with a wind wheel shaft of the cleaning wind wheel through a belt or a chain.

Furthermore, the engine output wheel is in transmission connection with the grain recovery transmission shaft through a belt or a chain, and the grain recovery transmission shaft is in transmission connection with the grain recovery auger shaft of the grain recovery auger through the belt or the chain so as to drive the grain recovery auger to rotate.

The utility model has the advantages that:

1. according to the corn harvester with high transmission efficiency, the transmission systems of the header, the peeler, the large elevator, the impurity removing fan, the peeler and the like are integrated, the independent transmission system is prevented from being independently arranged for each device, each transmission shaft can transmit power to a plurality of mechanisms or parts, the using number of the middle transmission shafts is further reduced, the structure of the transmission system is optimized, the effects of reducing the space occupation and the failure rate are obvious, the transmission frequency of the power is greatly reduced, the power transmission efficiency is improved, and the energy consumption is reduced.

2. Set up straw cutting roller in the below of header, when the header carries out the ear of a fruit and reaps, utilize straw cutting roller quick cut off the straw from the bottom for still field machine below the automobile body can be quick smash the straw, has improved the straw and has smashed still field's efficiency.

3. Still field machine is direct to be connected with the transmission of engine final drive axle, and the transmission progression is few, can transmit bigger moment of torsion, has improved the turning moment of still field machine rotor, and the reinforcing is to the cutting effect of straw, effectively avoids still field machine to block up or the straw is omitted, provides the quality that the straw was still field.

4. Only one intermediate shaft is arranged between the grain recovery auger mechanism and the engine, the transmission stage number of the grain recovery auger is low, and the grain recovery quality is improved.

5. The sheet jelly machine is directly connected with the engine through the intermediate shaft, the traditional transmission through the inside of the peeling machine is avoided, the transmission stage number is reduced, the direct transmission through the transmission shaft is connected, the larger torque can be transmitted to the crushing roller of the sheet jelly machine, the crushing quality of the sheet jelly machine is improved, and the quality of the corn husk crushing returning is also improved.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

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

Fig. 2 is a first schematic structural diagram of the header.

Fig. 3 is a structural schematic diagram of the header.

Fig. 4 is a schematic diagram of a header structure.

FIG. 5 is a first schematic diagram of the transmission system.

Fig. 6 is a schematic diagram of a transmission system.

Fig. 7 is a partial schematic view at a.

Fig. 8 is a partial schematic view at B.

Fig. 9 is a partial schematic view at C.

Fig. 10 is a partial schematic view at D.

Fig. 11 is a partial schematic view at E.

Fig. 12 is a partial schematic view at F.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

As shown in fig. 1, according to the embodiment of the utility model, a high-efficiency corn harvester is provided, which comprises an engine 1, a header 2, a large elevator 3, a peeler 4, a granary 5 and a returning machine 15, wherein the large elevator is provided with a trash extraction fan 3.1. The engine 1 is in transmission connection with the header 2, the large elevator 3, the peeling machine 4, the granary 5 and the field returning machine 15 through a transmission system.

As shown in fig. 2 to 4, the header 2 includes a header frame 2.1, and an ear harvesting mechanism is disposed on the header frame 2.1. The ear harvesting mechanism comprises a left gearbox 2.2 and a right gearbox 2.3. The front ends of the left gearbox 2.2 and the right gearbox 2.3 are both provided with a snapping double-roll 2.4 and a gearbox output shaft 2.5. The tip and the switching-over piece 2.6 transmission connection of gearbox output shaft 2.5, switching-over piece 2.6 is installed on header frame 2.1. And a reversing block output wheel 2.61 is arranged at the top end of the reversing block 2.6. A grain pulling wheel 2.7 and a tension wheel 2.8 are arranged in front of the reversing block 2.6, and a side grain pulling chain 2.9 is arranged in cooperation with the reversing block output wheel 2.61, the grain pulling wheel 2.7 and the tension wheel 2.8. The reversing block 2.6 is driven to work through the gearbox output shaft 2.5, the reversing block 2.6 drives the reversing block output wheel 2.61 to rotate, and the reversing block output wheel 2.61 drives the side grain pulling chain 2.9 to rotate.

As shown in fig. 2, a small elevator 2.10 is arranged between the left gearbox 2.2 and the right gearbox 2.3, and a small elevator driving shaft 2.101 and a small elevator driven shaft 2.102 are respectively arranged at the upper end and the lower end of the small elevator. Preferably, the small elevator is a chain plate type elevator, and the small elevator driving shaft 2.101 and the small elevator driven shaft 2.102 are provided with an elevator chain in a surrounding manner. The front end of the small elevator 2.10 is provided with a middle left reversing block 2.11, the side surface of the middle left reversing block 2.11 is provided with a middle left reversing block input shaft 2.111, the top surface of the middle left reversing block input shaft is provided with a middle left reversing block output wheel 2.112, and the small elevator driven shaft 2.102 is in transmission connection with the left reversing block input shaft 2.111 through a belt or a chain. The front end of the small elevator 2.10 is provided with a middle left grain pulling chain 2.14, a middle left grain pulling wheel 2.12 and a middle left tension pulley 2.13, wherein the middle left grain pulling chain 2.14 is matched with a side grain pulling chain 2.9 on the corresponding side for grain pulling. The middle left grain pulling chain 2.14 surrounds the middle left tension pulley 2.13, the middle left grain pulling wheel 2.12 and the middle left reversing block output wheel 2.112. In the working process of the small lifting conveyer 2.10, the driven shaft 2.102 of the small lifting conveyer drives the input shaft 2.111 of the middle left reversing block to rotate through a belt or a chain so as to drive the input shaft 2.11 of the middle left reversing block to work, and the output shaft 2.112 of the middle left reversing block drives the output shaft 2.14 of the middle left grain pulling chain to rotate.

The front end of the small elevator 2.10 is also provided with a middle right reversing block 2.15, the side surface of the middle right reversing block 2.15 is provided with a middle right reversing block input shaft, and the top surface is provided with a middle right reversing block output wheel 2.151, wherein the middle right reversing block input shaft and the middle left reversing block input shaft 2.111 are in transmission connection, preferably the same shaft. The small elevator driven shaft 2.102 is in transmission connection with the left reversing block input shaft 2.111 through a belt or a chain, and then the middle right reversing block 2.15 and the middle left reversing block 2.11 are driven to work simultaneously. The front end of the small elevator 2.10 is provided with a middle right grain pulling chain 2.18, a middle right grain pulling wheel 2.16 and a middle right tension pulley 2.17, wherein the middle right grain pulling chain 2.18 is matched with a side grain pulling chain 2.9 on the corresponding side for grain pulling. The middle right grain pulling chain 2.18 surrounds the middle right tension wheel 2.17, the middle right grain pulling wheel 2.16 and the middle right reversing block output wheel 2.151. In the working process of the small elevator 2.10, the driven shaft 2.102 of the small elevator drives the middle left and middle right reversing blocks to work through a belt or a chain, wherein the output wheel 2.151 of the middle right reversing block drives the middle right grain pulling chain 2.18 to rotate.

As shown in fig. 4, a header frame 2.1 of the header 2 is provided with a header main shaft 2.19. The bottom of header frame 2.1 still is provided with straw cutting roller 2.20, header total shaft 2.19 is connected through belt or chain drive with straw cutting roller 2.20's cutting roller input shaft 2.201. The rear end of header frame 2.1 still is provided with header auger 2.21, the exit end of little lift conveyer 2.10 corresponds with header auger 2.21.

Still be provided with gearbox transmission shaft 2.22 on the header frame 2.1, gearbox transmission shaft 2.22 is connected in order to drive left gearbox 2.2 and right gearbox 2.3 work through the gearbox transmission shaft output wheel that sets up on it with left gearbox 2.2 and right gearbox 2.3 transmission. Gearbox transmission shaft 2.22 is connected through belt or chain drive with little lift conveyer driving shaft 2.101, little lift conveyer driving shaft 2.101 passes through belt or chain and is connected through belt or chain drive with header auger shaft 2.211 of header auger 2.21.

As shown in fig. 5 to 7, an engine output wheel 1.1 of the engine 1 is in transmission connection with a header main transmission shaft 7 through a belt or a chain, and the header main transmission shaft 7 is in transmission connection with a header main shaft 2.19 through a belt or a chain. The specific transmission process is that the header main transmission shaft 7 is driven to rotate by the engine output wheel 1.1, and the header main transmission shaft 7 drives the header main shaft 2.19 to rotate. The header main shaft 2.19 drives the cutting roller input shaft 2.201 to rotate so as to drive the straw cutting roller 2.20 to rotate to realize the pre-cutting of the straw. Simultaneously, header main shaft 2.19 drives gearbox transmission shaft 2.22 and rotates, and gearbox transmission shaft 2.22 drives left gearbox 2.2 and right gearbox 2.3 work, and left gearbox 2.2 and right gearbox 2.3 work drive ear of grain pair roller 2.4 rotation and pluck the ear of grain, and simultaneously, left gearbox 2.2 and right gearbox 2.3 drive switching-over piece 2.6 work through gearbox output shaft 2.5, and switching-over piece 2.6 drives switching-over piece output wheel 2.61 and rotates, and switching-over piece output wheel 2.61 drives side and pulls out standing grain chain 2.9 and rotate and pull out standing grain. The transmission shaft 2.22 of the gearbox drives the driving shaft 2.101 of the small elevator to rotate, the driving shaft 2.101 of the small elevator drives the driven shaft 2.102 of the small elevator to rotate through the lifting chain, the driven shaft 2.102 of the small elevator drives the input shaft 2.111 of the middle left reversing block to rotate so as to drive the middle left reversing block 2.11 and the middle right reversing block 2.15 to work, the output wheel 2.112 of the middle left reversing block drives the middle left grain pulling chain 2.14 to rotate, the output wheel 2.151 of the middle right reversing block drives the middle right grain pulling chain 2.18 to rotate, and the middle left grain pulling chain 2.14 and the middle right grain pulling chain 2.18 are matched with the side grain pulling chain 2.9 to pull the grain.

Preferably, the header 2 is symmetrically provided with two ear harvesting mechanisms. The header main shaft of each cluster harvesting mechanism is in transmission connection with the header main transmission shaft 7 through a belt or a chain.

As shown in fig. 7 and 9, the engine output wheel 1.1 is in transmission connection with one end of the engine main transmission shaft 6 through a belt or a chain. The motor main transmission shaft 6 is in transmission connection with a peeler main transmission shaft 17 through a belt or a chain, the peeler main transmission shaft 17 is in transmission connection with a large elevator transmission shaft 8 through the belt or the chain, the large elevator transmission shaft 8 is in transmission connection with a large elevator driving shaft 3.2 of the large elevator 3 through the belt or the chain, and an elevator chain of the large elevator is driven to rotate through the large elevator driving shaft 3.2. The driving shaft 3.2 of the large elevator drives an impurity removal fan shaft 3.3 of the impurity removal fan 3.1 to rotate through a belt or a chain, and the impurity removal fan shaft 3.3 drives fan blades in the impurity removal fan 3.1 to rotate.

As shown in fig. 5-6 and 10, the peeling machine 4 comprises a dredging mechanism 4.1, a peeling roller mechanism 4.2, a peeling machine auger mechanism 4.3 and a kernel recovering auger mechanism 4.4 from top to bottom in sequence. Wherein, dredge and be provided with first in the mechanism 4.1 side by side and dredge deflector roll, second and dredge deflector roll, third and dredge the deflector roll and dredge the roller shaft fourth. A plurality of peeling rollers and poking rollers 4.22 are respectively arranged in the peeling roller mechanism 4.2, and the outlet of the peeling roller mechanism 4.2 corresponds to the inlet of the granary 5. The inside auger and the last auger of packing auger mechanism 4.3 down that is provided with of peeler. A grain recovery auger is arranged in the grain recovery auger mechanism 4.4. The outlet end of the peeler auger mechanism 4.3 is also provided with a sheet jelly machine 10, and a crushing roller is arranged in the sheet jelly machine 10. The side of the grain recovery auger mechanism 4.4 is also provided with a cleaning fan 4.5, and a cleaning wind wheel is arranged in the cleaning fan 4.5.

As shown in fig. 7, the main transmission shaft 17 of the peeling machine is in transmission connection with the intermediate transmission shaft 9 through a gear engagement transmission structure, and the intermediate transmission shaft 9 is in transmission connection with the crushing roller shaft 10.1 of the crushing roller in the sheet jelly machine 10 through a belt or a chain so as to drive the crushing roller to rotate to crush the corn husks.

The general transmission shaft 17 of the peeling machine is in transmission connection with the transmission shaft 11 of the peeling roller through a belt or a chain, the transmission shaft 11 of the peeling roller is provided with a first bevel gear, the peeling roller shaft 4.21 of the peeling roller is provided with a second bevel gear meshed with the first bevel gear, and then when the transmission shaft 11 of the peeling roller rotates, the peeling roller is driven to rotate through a bevel gear meshing structure.

As shown in fig. 10, the transmission shaft 11 of the peeling roller is in transmission connection with one end of the lower auger shaft 4.31 of the lower auger, one end of the upper auger shaft 4.32 of the upper auger and the transmission shaft 12 of the cleaning fan through a belt or a chain, so as to drive the upper auger and the lower auger and the transmission shaft 12 of the cleaning fan to rotate. The cleaning fan transmission shaft 12 is in transmission connection with a wind wheel shaft 4.51 of the cleaning wind wheel through a belt or a chain so as to drive the cleaning wind wheel to rotate.

As shown in fig. 11, the other end of the lower auger shaft 4.32 is in transmission connection with a first intermediate shaft 13.1 through a belt or a chain, and the first intermediate shaft 13.1 is in transmission connection with a second intermediate shaft 13.2 through a gear meshing transmission structure. The second idle shaft 13.2 is in transmission connection with the first dredging roller 4.11 of the first dredging roller and the third dredging roller 4.13 of the third dredging roller through a belt or a chain at the same time so as to drive the first dredging roller and the third dredging roller to rotate.

As shown in fig. 10, the first dredging roller 4.11 is in transmission connection with the second dredging roller shaft 4.12 of the second dredging roller through a chain or a belt to drive the second dredging roller to rotate. The third dredging roller shaft 4.13 is in transmission connection with one end of a fourth dredging roller shaft 4.14 of a fourth dredging roller through a belt or a chain so as to drive the fourth dredging roller to rotate.

As shown in fig. 11, the other end of the fourth dredging roller 4.14 is in transmission connection with the shifting roller 4.221 of the shifting roller 4.22 through a belt or a chain to drive the shifting roller 4.22 to rotate.

As shown in fig. 7, the engine output wheel 1.1 is in transmission connection with the grain recovery transmission shaft 14 through a belt or a chain, and the grain recovery transmission shaft 14 is in transmission connection with the grain recovery auger shaft 4.41 of the grain recovery auger through a belt or a chain to drive the grain recovery auger to rotate so as to recover the grains.

As shown in fig. 5 and 12, the inside of the returning machine 15 is provided with a knife roller, and the end of the knife roller is provided with a returning machine input wheel 15.1. The other end of the engine main transmission shaft 6 is in transmission connection with an input wheel 15.1 of the returning machine 15 through a belt or a chain so as to drive a knife roller in the returning machine to rotate for returning the straws to the field.

According to the corn harvester with high transmission efficiency, the transmission systems of the header, the peeler, the large elevator, the impurity removing fan, the peeler and the like are integrated, the transmission system is prevented from being independently arranged for each device, each transmission shaft can transmit power to a plurality of mechanisms or parts, the using number of the middle transmission shafts is further reduced, the structure of the transmission system is optimized, the corn harvester has remarkable effects of reducing the space occupation and the failure rate, the transmission frequency of the power is greatly reduced, the power transmission efficiency is improved, and the energy consumption is reduced. In addition, set up straw cutting roller in the below of header, when the header carries out the ear of a fruit and reaps, utilize straw cutting roller quick cut off the straw from the bottom for still field machine below the automobile body can be quick smash the straw, has improved the straw and has smashed still field's efficiency.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. The utility model provides a maize picker that transmission efficiency is high, including engine (1), header (2), lift fortune ware (3) greatly, peeler (4), granary (5) and still field machine (15), be provided with on the big fortune ware (3) of rising edulcoration fan (3.1), engine (1) is through transmission system and header (2), lift fortune ware (3) greatly, peeler (4), granary (5) and still field machine (15) transmission are connected, the inside of still field machine (15) is provided with the rotor, the tip of rotor is provided with still field machine input wheel (15.1), its characterized in that: an engine output wheel (1.1) of the engine (1) is in transmission connection with one end of an engine main transmission shaft (6) through a belt or a chain, and the other end of the engine main transmission shaft (6) is in transmission connection with a returning machine input wheel (15.1) of a returning machine (15) through the belt or the chain.

2. The efficient drive corn harvester of claim 1, wherein: the header (2) comprises a header frame (2.1), the header frame (2.1) is provided with an ear harvesting mechanism, the ear harvesting mechanism comprises a left gearbox (2.2) and a right gearbox (2.3), the front ends of the left gearbox (2.2) and the right gearbox (2.3) are respectively provided with an ear picking roller pair (2.4) and a gearbox output shaft (2.5), the end part of the gearbox output shaft (2.5) is in transmission connection with a reversing block (2.6), the reversing block (2.6) is arranged on the header frame (2.1), the top end of the reversing block (2.6) is provided with a reversing block output wheel (2.61), the front part of the reversing block (2.61) is provided with a grain pulling wheel (2.7) and a tension pulley (2.8), the reversing block output wheel (2.61), the grain pulling wheel (2.7) and the tension pulley (2.8) are provided with a side grain pulling chain (2.9) in a matching way, a small elevator (2.10) is arranged between the left gearbox (2.2) and the right gearbox (2.3), and a small elevator (10) is arranged between the small elevator, A small elevator driving shaft (2.101) and a small elevator driven shaft (2.102) are respectively arranged at the lower two ends, a middle left reversing block (2.11) is arranged at the front end of the small elevator (2.10), a middle left reversing block input shaft (2.111) is arranged on the side surface of the middle left reversing block (2.11) and a middle left reversing block output wheel (2.112) is arranged on the top surface, a small elevator driven shaft (2.102) is in transmission connection with the left reversing block input shaft (2.111) through a belt or a chain, a middle left grain pulling chain (2.14), a middle left grain pulling wheel (2.12) and a middle left tensioning wheel (2.13) are arranged at the front end of the small elevator (2.10), the middle left grain pulling chain (2.14) surrounds the middle left tensioning wheel (2.13), the middle left grain pulling wheel (2.12) and the middle left reversing block output wheel (2.112) are arranged at the middle left end of the small elevator (2.10), a middle right block (2.15) is also arranged at the front end of the middle left elevator (2.15), a reversing block output wheel (52) is arranged on the middle right side surface of the middle reversing block (2.15), the middle right reversing block input shaft is in transmission connection with the middle left reversing block input shaft (2.111), so that the middle right reversing block (2.15) and the middle left reversing block (2.11) are driven to work simultaneously, a middle right grain pulling chain (2.18), a middle right grain pulling wheel (2.16) and a middle right tension wheel (2.17) are arranged at the front end of the small elevator (2.10), and the middle right grain pulling chain (2.18) surrounds the middle right tension wheel (2.17), the middle right grain pulling wheel (2.16) and the middle right reversing block output wheel (2.151).

3. The efficient drive corn harvester of claim 2, wherein: a header main shaft (2.19) is arranged on a header frame (2.1) of the header (2), a straw cutting roller (2.20) is further arranged at the bottom of the header frame (2.1), the header main shaft (2.19) is connected with a cutting roller input shaft (2.201) of the straw cutting roller (2.20) through a belt or a chain in a transmission manner, a header packing auger (2.21) is further arranged at the rear end of the header frame (2.1), and the outlet end of a small elevator (2.10) corresponds to the header packing auger (2.21).

4. The efficient drive corn harvester of claim 2, wherein: the header frame (2.1) is further provided with a gearbox transmission shaft (2.22), the gearbox transmission shaft (2.22) is in transmission connection with the left gearbox (2.2) and the right gearbox (2.3) through a gearbox transmission shaft output wheel arranged on the gearbox transmission shaft to drive the left gearbox (2.2) and the right gearbox (2.3) to work, the gearbox transmission shaft (2.22) is in transmission connection with the small elevator driving shaft (2.101) through a belt or a chain, and the small elevator driving shaft (2.101) is in transmission connection with the header auger shaft (2.211) of the header auger (2.21) through a belt or a chain.

5. The efficient drive corn harvester of claim 2, wherein: an engine output wheel (1.1) of the engine (1) is in transmission connection with a header main transmission shaft (7) through a belt or a chain, and the header main transmission shaft (7) is in transmission connection with a header main shaft (2.19) through a belt or a chain.

6. The efficient drive corn harvester of claim 2, wherein: the engine output wheel (1.1) is in transmission connection with one end of an engine main transmission shaft (6) through a belt or a chain, the engine main transmission shaft (6) is in transmission connection with a peeler main transmission shaft (17) through a belt or a chain, the peeler main transmission shaft (17) is in transmission connection with a large elevator transmission shaft (8) through a belt or a chain, the large elevator transmission shaft (8) is in transmission connection with a large elevator driving shaft (3.2) of a large elevator (3) through a belt or a chain, the large elevator driving shaft (3.2) drives an impurity removal fan shaft (3.3) of the impurity removal fan (3.1) to rotate through the belt or the chain, and the impurity removal fan shaft (3.3) drives fan blades in the impurity removal fan (3.1) to rotate.

7. The efficient drive corn harvester of claim 2, wherein: the main transmission shaft (17) of the peeling machine is in transmission connection with the intermediate transmission shaft (9) through a gear meshing transmission structure, and the intermediate transmission shaft (9) is in transmission connection with a crushing roller shaft (10.1) of a crushing roller in the sheet jelly machine (10) through a belt or a chain.

8. The efficient drive corn harvester of claim 2, wherein: the general transmission shaft (17) of the peeling machine is in transmission connection with the transmission shaft (11) of the peeling roller through a belt or a chain, the transmission shaft (11) of the peeling roller is provided with a first bevel gear, and the peeling roller shaft (4.21) of the peeling roller is provided with a second bevel gear meshed with the first bevel gear.

9. The efficient drive corn harvester of claim 2, wherein: the peeling roller transmission shaft (11) is in transmission connection with one end of a lower auger shaft (4.31) of the lower auger, one end of an upper auger shaft (4.32) of the upper auger and a cleaning fan transmission shaft (12) through a belt or a chain, and the cleaning fan transmission shaft (12) is in transmission connection with a wind wheel shaft (4.51) of the cleaning wind wheel through a belt or a chain.

10. The efficient drive corn harvester of claim 2, wherein: the engine output wheel (1.1) is also in transmission connection with the grain recovery transmission shaft (14) through a belt or a chain, and the grain recovery transmission shaft (14) is in transmission connection with a grain recovery auger shaft (4.41) of the grain recovery auger through the belt or the chain so as to drive the grain recovery auger to rotate.