WO2021232581A1

WO2021232581A1 - Corn harvesting header structure

Info

Publication number: WO2021232581A1
Application number: PCT/CN2020/104530
Authority: WO
Inventors: 孔水平; 崔冶; 邢立成; 王国鑫
Original assignee: 江苏沃得农业机械股份有限公司
Priority date: 2020-05-21
Filing date: 2020-07-24
Publication date: 2021-11-25
Also published as: CN111727732A

Abstract

A corn harvesting header structure, comprising a harvesting component and a conveying component. The harvesting component comprises a right harvesting mechanism (1-3), a right-middle harvesting mechanism (1-17), a left-middle harvesting mechanism (1-18) and a left harvesting mechanism (1-19) that are staggered on a header frame (1-23) at different heights from right to left. A right crop divider (1-1) and a left crop divider (1-16) are installed in front of two sides of the harvesting component, respectively. Three middle protective covers (1-22) are installed above the harvesting component. The conveying component is installed behind the harvesting component, and comprises a screw feeder (1-21) and a conveying trough (1-9). In the present apparatus, the crop divider at a middle harvesting mechanism is removed, and crop dividing chains on the harvesting mechanisms are staggered at different heights to expand the coverage range, so that a gap between two adjacent harvesting mechanisms is fully covered. When harvesting, corn stalks are moved to the middle, so that before the corn stalks fall down, same will be transferred to a harvesting plate in the middle of the harvesting mechanisms, which may fully cover directly in front of the header without there being harvesting dead corners.

Description

Corn harvesting header structure

Technical field

The invention relates to the technical field of agricultural machinery, in particular to a corn harvesting header structure.

Background technique

The ear-picking slab-type corn harvesting platform currently on the market is applied to the opposite row of corn harvesting platform. The row spacing requirements for harvesting corn are relatively strict. Basically, it is necessary to ensure that the deviation of the corn planting row spacing and the row spacing of the harvesting platform is within 50mm in order to achieve Ideal harvesting effect, for example, the row spacing of the cutting platform is 550mm, and the row spacing of harvested corn is 500mm-600mm. There are some areas between each row that are not suitable for harvesting (the elliptical area in Figure 1). If corn is planted in this area , When the harvester harvests, the corn stalks are gathered in the middle by the crop divider. In this process, due to the excessive lateral position shift, the corn stalks are likely to be pushed down by the crop divider and the harvesting operation cannot be completed. However, corn is widely planted in my country. The row spacing of corn from south to north varies greatly, and the planting row spacing is roughly 500mm to 700mm. Therefore, the drawbacks of the tassel-type header are obvious, and the requirements for corn planting row spacing are high, and it is difficult to harvest across regions.

Summary of the invention

The purpose of the present invention is to solve the above deficiencies of the prior art, and proposes a corn harvesting header structure, which includes a harvesting component and a conveying component. The harvesting component includes staggered settings on the harvesting platform from right to left. The right ear picking mechanism, the right middle ear picking mechanism, the left middle ear picking mechanism and the left ear picking mechanism on the rack, the front of both sides of the ear picking component are respectively installed with right and left crop dividers, above the ear picking component Three middle guards are installed, and the conveying component is installed behind the ear picking component, including the auger and the conveying trough.

Further, the right ear picking mechanism, the right middle ear picking mechanism, the left middle ear picking mechanism, and the left ear picking mechanism are all composed of a transmission box and a pair of symmetrically arranged ear picking units, and the ear picking unit includes a ear picking frame. And the ear picking plate, the chain stopper and the stalk chain which are installed in sequence above the ear picking rack, the ear picking rack has opposite sides and opposite sides, and the ear picking plate and the chain stopper are all installed on On the opposite side, the reel chain is installed above the ear picking frame through the reel chain drive wheel, transition wheel and front tensioning wheel. The reel chain drive wheel is installed at the tail of the ear picking frame and is connected to The transmission box is connected, the transition wheel is installed at the front end of the opposite side of the ear picking frame, the front tension wheel is installed on the extension track, and the extension track is installed in front of the ear picking frame through a spring The opposite side under the ear picking frame is installed with a stem pulling roller, and the tail end of the stem pulling roller is connected with the transmission box.

Furthermore, the height of the right ear picking mechanism and the left middle ear picking mechanism is greater than the height of the right middle ear picking mechanism and the left ear picking mechanism.

Further, the reeling chains of the right ear picking mechanism, the right middle ear picking mechanism, the left middle ear picking mechanism, and the left ear picking mechanism overlap each other without interference.

Furthermore, the conveying trough left combination wheel and the conveying trough right output wheel are respectively installed on both sides of the conveying trough. The conveying trough left combination wheel inputs power through the host and drives the conveying trough and the conveying trough right output wheel at the same time. , The left combination wheel of the conveying trough transmits power to the left picking mechanism and the left middle picking mechanism through the left drive shaft input wheel, the left drive shaft, the left drive shaft output sprocket and the left picking unit input sprocket; the conveying trough right output The wheel transmits power to the right ear picking mechanism and the right middle ear picking mechanism through the right drive shaft input wheel, the right drive shaft, the right drive shaft output sprocket, and the right ear picking unit input sprocket.

Furthermore, the left ear picking mechanism and the left middle ear picking mechanism, the right ear picking mechanism and the right middle ear picking mechanism are all connected by a coupling.

Further, an auger input sprocket is connected to one end of the auger, and the auger input sprocket and the power input sprocket of the right ear picking unit are synchronously driven by a chain.

Beneficial effects: The present invention makes corresponding modifications to the ear picking mechanism and the crop divider on the basis of the plate-type ear picking header, cancels the crop divider of the middle ear picking mechanism, and sets the rowing chain on the ear picking mechanism in a staggered height , The coverage area is expanded, so that the gap between two adjacent ear picking mechanisms is fully covered. When harvesting, the corn stalks are moved to the middle, so that the corn stalks will be moved into the middle of the ear picking mechanisms before they fall down. At the ear board, the harvesting area can fully cover the front of the header, and there is no dead corner for harvesting. As a whole, it has the advantages of higher harvesting efficiency, lower harvesting loss rate, simple structure, low cost, and easy maintenance.

Description of the drawings

Figure 1 is the structure of the existing corn header in the background art;

Figure 2 is a top view of the corn picking header in the present invention

Figure 3 is a rear view of the tassel picking component;

Figure 4 is a schematic diagram of the three-dimensional structure of the ear picking mechanism from a bottom view;

Fig. 5 is a schematic diagram of the three-dimensional structure of the ear picking mechanism from a top view;

In the picture: 1-1, right crop divider, 1-3, right ear picking mechanism, 1-4, right ear picking unit power input sprocket, 1-5, auger input sprocket, 1-6, right drive Shaft output sprocket, 1-7, right drive shaft input wheel, 1-8, conveying trough right output wheel, 1-9, conveying trough, 1-10, conveying trough left combination wheel, 1-11, left drive shaft input Wheel, 1-12, left drive shaft, 1-13, right drive shaft, 1-14, left drive shaft output sprocket, 1-15, left picking unit input sprocket, 1-16, left sprocket, 1-17. Right middle ear picking mechanism, 1-18, left middle ear picking mechanism, 1-19, left ear picking mechanism, 1-20, coupling, 1-21, auger, 1-22, middle guard Cover, 1-23, header frame;

1. Transmission box, 2. Stalk pulling roller, 3. Reel chain, 4, Transition wheel, 5, Ear picking plate, 6, Block chain plate, 7, Reel chain drive wheel, 8, Extension rail, 9, Front tensioning wheel, 10. Picking frame.

Detailed ways

In order to deepen the understanding of the present invention, the present invention will be described in further detail below in conjunction with embodiments and drawings. The embodiments are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.

As shown in Fig. 2-5, a corn harvesting header structure includes a harvesting component and a conveying component. The harvesting component includes a right harvester staggered from right to left on the header 1-23. Earing mechanism 1-3, right middle ear picking mechanism 1-17, left middle ear picking mechanism 1-18, and left ear picking mechanism 1-19, the front of both sides of the ear picking part are respectively installed with right crop divider 1-1 and On the left crop divider 1-16, three middle guards 1-22 are installed above the ear picking component, and the conveying component is installed behind the ear picking component, including the auger 1-21 and the conveying trough 1-9.

In this embodiment, the height of the right ear picking mechanism 1-3 and the left middle ear picking mechanism 1-18 is greater than the height of the right middle ear picking mechanism 1-17 and the left ear picking mechanism 1-19.

In this embodiment, the right ear picking mechanism 1-3, the right middle ear picking mechanism 1-17, the left middle ear picking mechanism 1-18, and the left ear picking mechanism 1-19 overlap with each other. And don't interfere.

In this embodiment, the conveying trough left combination wheel 1-10 and the conveying trough right output wheel 1-8 are respectively installed on both sides of the conveying trough 1-9, and the conveying trough left combination wheel 1-10 passes through the host Input the power and drive the conveying trough 1-9 and the conveying trough right output wheel 1-8 at the same time. The conveying trough left combination wheel 1-10 is output through the left drive shaft input wheel 1-11, the left drive shaft 1-12, and the left drive shaft. Sprocket 1-14 and left ear picking unit input sprocket 1-15 transmit power to left ear picking mechanism 1-19 and left middle ear picking mechanism 1-18; the right output wheel 1-8 of the conveying trough is input through the right drive shaft Wheels 1-7, right drive shaft 1-13, right drive shaft output sprocket 1-6 and right ear picking unit input sprocket 1-4 transmit power to right ear picking mechanism 1-3 and right middle ear picking mechanism 1 -17; The left ear picking mechanism 1-19 and the left middle ear picking mechanism 1-18, the right ear picking mechanism 1-3 and the right ear picking mechanism 1-17 are all connected by a coupling 1-20 .

In this embodiment, one end of the auger 1-21 is connected with a auger input sprocket 1-5, and the auger input sprocket 1-5 and the power input sprocket 1-4 of the right picking unit pass through Chain synchronous transmission.

In this embodiment, the right ear picking mechanism, the right middle ear picking mechanism, the left middle ear picking mechanism, and the left ear picking mechanism are all composed of a transmission box 1 and a pair of symmetrically arranged ear picking units, and the ear picking units include The ear picking rack 10 and the ear picking plate 5, the chain stopper 6 and the reeling chain 3 are sequentially installed above the ear picking rack 10. The ear picking rack 10 has opposite sides and opposite sides. The ear picking plate 5 and the chain stopper 6 are both installed on the opposite side. The reel chain 3 is installed above the ear picking frame 10 through the reel driving wheel 7, the transition wheel 4 and the front tensioning wheel 9. The reel driving wheel 7 is installed at the tail of the ear picking frame 10 and connected to the transmission box 1, the transition wheel 4 is installed at the front end of the opposite side of the ear picking frame 10, and the front tensioning wheel 9 Installed on the extension rail 8, the extension rail 8 is installed in front of the ear picking frame 10 through a spring; the opposite side under the ear picking frame 10 is installed with a stem pulling roller 2, and the stem pulling roller 2 The tail end is connected with the transmission box 1.

The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the present invention. Within the scope of protection.

Claims

A corn picking heading table structure, comprising a heading part and a conveying part, characterized in that the heading part includes a right heading mechanism and a right middle heading that are staggered from right to left on the heading frame. Mechanism, left middle ear picking mechanism and left ear picking mechanism, the right and left crop dividers are respectively installed on the front of both sides of the ear picking component, and three middle guards are installed above the ear picking component. The conveying part Installed behind the picking parts, including the auger and conveying trough.
The corn harvesting header structure according to claim 1, wherein the right ear harvesting mechanism, the right middle ear harvesting mechanism, the left middle ear harvesting mechanism, and the left ear harvesting mechanism are all symmetrically arranged by a transmission box and a pair The tasseling unit is composed of a tasseling rack, and a tasseling plate, a chain stopper and a grass chain that are sequentially installed above the tasseling rack, and the tasseling rack has opposite sides and On the opposite side, the ear picking plate and the chain stop plate are both installed on the opposite side, and the reel chain is installed above the ear picking frame through the reel driving wheel, transition wheel and front tensioning wheel. The reel driving wheel is installed at the tail of the ear picking frame and connected to the transmission box, the transition wheel is installed at the front end of the opposite side of the ear picking frame, and the front tensioning wheel is installed on the extension rail. The extension rail is installed in front of the ear picking frame through a spring; the opposite side under the ear picking frame is equipped with a stem pulling roller, and the tail end of the stem pulling roller is connected with the transmission box.
The corn picking head structure according to claim 1, wherein the height of the right ear picking mechanism and the left middle ear picking mechanism is greater than the height of the right middle ear picking mechanism and the left ear picking mechanism.
The corn harvesting header structure according to claim 1, wherein the right ear picking mechanism, the right middle ear picking mechanism, the left middle ear picking mechanism, and the left ear picking mechanism are mutually connected to each other. Overlap and do not interfere.
The corn plucking header structure according to claim 1, wherein both sides of the conveying trough are respectively installed with a trough left combination wheel and a trough right output wheel, and the conveying trough left combination wheel Input power through the host, and simultaneously drive the conveying trough and the right output wheel of the conveying trough. The left combination wheel of the conveying trough transmits power through the input wheel of the left drive shaft, the left drive shaft, the output sprocket of the left drive shaft and the input sprocket of the left picking unit. To the left ear picking mechanism and the left middle ear picking mechanism; the right output wheel of the conveying trough transmits power to the right ear picking mechanism through the right drive shaft input wheel, right drive shaft, right drive shaft output sprocket and right ear picking unit input sprocket And the right center picking mechanism.
The structure of a corn harvesting header according to claim 5, characterized in that, the left ear picking mechanism and the left middle ear picking mechanism, the right ear picking mechanism and the right middle ear picking mechanism are all connected by coupling shafts.器连接。 Connectors.
The corn picking header structure according to claim 1, wherein one end of the auger is connected with an auger input sprocket, and the auger input sprocket is connected to the power input chain of the right ear picking unit. The wheels are driven synchronously through the chain.