WO2015058453A1 - Air-blowing type combine harvester - Google Patents

Abstract

Disclosed is an air-blowing type combine harvester, comprising a machine body, a reel which is able to rotate by 360° and provided at the front end of the machine body, a cutter which is able to swing left and right and provided at the lower end of the reel, and a cylindrical cutter stand auger provided at the rear end of the cutter, wherein the cutter stand auger is a connected body with a threshing drum assembly, the threshing drum assembly is in communication with a hopper having left and right grain-conveying helices, the hopper comprises an air duct at the bottom, two ends of the air duct are respectively in communication with an air intake pipe and an outgoing air pipe, and the air duct is in communication with a grain/chaff separating apparatus via the outgoing air pipe. Grain and chaff separated from the threshing drum assembly are sent to a fallen material port at the lower end of the hopper by means of the left and right grain-conveying helices, fall through the fallen material port into the outgoing air pipe, enter the grain/chaff separating apparatus via the outgoing air pipe due to the air blowing and are automatically selected by winnowing, grain is conveyed to a grain outlet to be bagged via a screw conveyor at the bottom of the grain/chaff separating apparatus, and chaff will be discharged out of a chaff outlet under the effect of the air. The combine harvester has the advantages of a simple and rational structure, strong applicability, and convenient manufacture, assembly, and maintenance.

Description

 Wind-blown combine harvester

Technical field

The invention belongs to the technical field of agricultural machinery and relates to a wind-blown combine harvester.

Background technique

The existing rice combine harvesters have full-feed and semi-feed combines, mostly using plucks, dividers, headers, walking mechanisms, weft devices, threshing mechanisms, grain screening mechanisms, grain lifting Complex working structures such as institutions, the large and medium-sized combine harvesters of the above structure are not well adapted to the actual production conditions of mountainous landforms in southern China and southwestern China due to their complex structure, large size, heavy weight, and high price; The small combine harvester has the advantages of low work efficiency, low work efficiency, and the inability to reach the effect of large and medium-sized harvesters, and cannot adapt to the needs of different purchase groups and regions with different geographical conditions.

Summary of the invention

In order to overcome the above-mentioned shortcomings of the prior art, the present invention provides a device capable of lifting and separating cereals under the action of wind generated by a wind turbine, which has the advantages of simple and reasonable structure, strong practicability, convenient production, installation and maintenance, and good use effect. Advantages of a wind-blown combine harvester.

The technical solution adopted by the present invention to solve the technical problem thereof is: a wind-blown combine harvester comprising a body, a 360-rotatable reel at the front end of the body, and a cutter capable of swinging left and right at the lower end of the reel Knife, the rear end of the cutter is provided with a cylindrical header auger, the header auger and the threshing drum assembly are connected, the threshing drum assembly is connected with the collecting hopper with the left and right valley screw, and the collecting hopper includes the bottom. The air duct and the two ends of the air duct are respectively connected with the air inlet duct and the air outlet duct, and the air duct is connected to the grain separation device through the air outlet duct, and the cereal mist separated from the threshing drum assembly is sent to the valley by the left and right feeding valleys. The falling end of the lower end of the collecting hopper falls into the air outlet pipe through the dropping port, enters the grain separation device through the air outlet pipe under the wind blowing, and performs automatic air selection, and the grain is spirally conveyed through the bottom of the grain separation device. The device is sent to the outlet of the trough for bagging, and the debris will be discharged through the spout under the action of the wind.

The collecting hopper includes an air duct at the bottom, and two ends of the air duct are respectively connected with the air inlet duct and the air outlet duct.

The other end of the inlet duct is connected to a fan.

The fan is disposed on the side of the grain separation device.

A diesel engine connected to each working piece is provided on the same side of the fan.

At the junction of the outlet duct and the air duct, a valley air passage and a reverse wind duct separated by a wind dividing partition are provided. A windward baffle for restricting wind power and guiding the movement of the grain is provided at the lower end of the grain mixing opening.

The bottom of the grain separation device is provided with a hopper and a screw conveying device, and the rear end of the device is provided with a trough port. The upper end of the rear side of the grain separation device is provided with a spout.

The invention has the beneficial effects that the grain separated from the threshing drum assembly and entering the collecting hopper and falling into the air outlet pipe through the grain mixing device enters the grain separation device under the action of the wind and performs automatic air selection, and the grain passes through the valley. The screw conveying device at the bottom of the hetero-separation device is sent to the outlet of the trough for bagging, and the debris will be discharged through the spout under the action of the wind, and has the advantages of simple and reasonable structure, strong practicability, convenient production, installation and maintenance, and good use effect. DRAWINGS

 Figure 1 is a schematic view of the structure of the present invention;

 2 is a schematic view of a transmission structure of the present invention.

 In the picture: 1-body, 2-typer, 3-knife, 4-head auger, 5-fan, 6-intake pipe, 7-outlet pipe, 8-valley separation device, 9- Left and right valley screw, 10-bleaching drum assembly.

detailed description

 The invention will now be further described with reference to the drawings and embodiments.

Referring to Fig. 1 and Fig. 2, a wind blow type combine harvester includes a body 1, a 360-rotatable reel 2 is arranged at the front end of the body 1, and a cutter 3 capable of swinging left and right at the lower end of the reel 2 is provided. The rear end of the cutter 3 is provided with a cylindrical header auger 4, the header auger 4 is connected with the barrel of the threshing drum assembly 10, and the threshing drum assembly 10 is connected with the collecting hopper with the left and right valleys 9 . The collecting hopper includes a wind channel at the bottom, and two ends of the air duct are respectively connected with the air inlet pipe 6 and the air outlet pipe 7, and the other end of the air inlet pipe 6 communicates with the fan 5 disposed at the side of the grain separation device 8 On the same side of the fan 5, there is a diesel engine connected to each working piece, and the air passage is connected to the grain separation device 8 through the air outlet pipe 7, and is separated by a wind separation baffle at the connection between the air outlet pipe 7 and the air duct. The valleys and the anti-wind ducts formed by the threshing drum assembly 10 are sent to the lower end of the collecting hopper through the right and left feeding screw 9 , and the lower end of the grain feeding opening is provided for limiting the wind and The grain movement provides a guiding anti-wind baffle, and the bottom of the grain separation device 8 is provided with a collecting bucket and Rotary conveying device, the rear end of the device is provided with a trough port, and the upper end of the rear side of the trough separating device 8 is provided with a spout, which falls into the air outlet pipe 7 through the falling port, and passes through the air outlet pipe under the wind blowing 7 Entering the grain separation device 8 and performing automatic air selection, the grain is sent to the outlet of the valley through the screw conveying device at the bottom of the grain separation device 8 to carry out bagging, and the sundries are discharged through the outlet port under the action of the wind. The grain separated from the threshing drum assembly 10 and entering the collecting hopper and dropped into the air outlet pipe 7 through the grain mixing device enters the grain separating device 8 under the action of the wind and is automatically air-selected, and the grain passes through the grain separation device 8 The bottom screw conveying device is sent to the outlet of the trough for bagging, and the sundries are discharged through the spout under the action of the wind. The utility model has the advantages of simple and reasonable structure, strong practicability, convenient installation and maintenance, and good use effect.

Claims

1. A wind-blown combine harvester, including a machine body, characterized by: a reel capable of 360 rotation is provided at the front end of the machine body, a cutter capable of swinging left and right is provided at the lower end of the reel, and the rear end of the cutter is provided with a There is a cylindrical header auger. The header auger is connected with the threshing drum assembly. The threshing drum assembly is connected with the collecting hopper with left and right grain feeding spirals. The collecting hopper includes an air duct at the bottom and two sides of the air duct. The ends are connected to the air inlet pipe and the air outlet pipe respectively. The air duct is connected to the grain and impurity separation device through the air outlet pipe. The grain impurities separated from the threshing drum assembly are sent to the blanking port at the lower end of the collecting hopper through the left and right grain feeding screws. , falls into the air outlet through the blanking port, and is blown by the wind through the air outlet duct into the grain and impurity separation device for automatic air separation. The grain is sent to the grain outlet through the screw conveyor at the bottom of the grain and impurity separation device for loading. bag, the debris will be discharged through the debris outlet under the action of wind. 2. The wind-blown combine harvester of claim 1, characterized in that: the hopper includes an air duct at the bottom, and both ends of the air duct are connected to the air inlet duct and the air outlet duct respectively. 3. The wind-blown combine harvester of claim 1, characterized in that: the other end of the air inlet pipe is connected to a fan. 4. The wind-blown combine harvester of claim 3, characterized in that: the fan is arranged on one side of the grain and impurity separation device. 5. The wind-blown combine harvester of claim 3 or 4, characterized in that: a diesel engine is provided on the same side of the fan as is power-connected to each work piece. 6. The wind-blown combine harvester of claim 1, characterized in that: a grain supply air duct and a reverse air duct separated by an air distribution partition are provided at the connection between the air outlet duct and the air duct. 7. The wind-blown combine harvester according to claim 1, characterized in that: a reverse wind baffle is provided at the lower end of the grain discharge opening for limiting wind force and providing guidance for grain movement. 8. The wind-blown combine harvester according to claim 1, characterized in that: the bottom of the grain separation device is provided with a grain collecting hopper and a screw conveying device, and the rear end of the device is provided with a grain outlet. 9. The wind-blown combine harvester according to claim 1, characterized in that: the upper end of the rear side of the grain and trash separation device is provided with a trash outlet.