CN219330076U - Corn harvester header - Google Patents

Abstract

The utility model discloses a corn harvester header, and belongs to the field of agricultural machinery. The corn harvester solves the problems that a header of a corn harvester in the prior art is easy to be plugged by corn straws during working, is difficult to clean after plugging, and is easy to cause injury to people due to manual cleaning. A corn harvester header comprises a frame, wherein a header transmission mechanism, a spike picking box, a seedling pulling device and a spike picking roller are arranged on the frame; the header transmission mechanism transmits the power of the main machine of the corn harvester to the seedling pulling device and the snapping roll through the snapping box; the corn harvester header is provided with a header gearbox. The utility model is mainly used for large corn harvesters, and can also be used for small corn harvesters and other agricultural harvesters.

Description

Corn harvester header

Technical Field

The utility model relates to a corn harvesting machine, in particular to a corn harvester header.

Background

With the great popularization of agricultural mechanization in China, the degree of agricultural mechanization in China is higher and higher, and especially in the sowing and harvesting links of crops, the degree of mechanization in the last ten years is improved considerably. The popularization of the corn harvesting machinery greatly improves the working efficiency and reduces the labor intensity of farmers. However, while mechanized harvesting of corn improves efficiency, existing corn harvesters themselves have some undesirable areas. For example, corn harvesters often choke the snapping rolls of the header during operation. Once the corn stalks are choked by the snapping roll of the header, the corn harvester cannot work normally, at the moment, a driver stops the corn harvester, a worker stands in front of the header to clean the corn stalks manually, and the corn stalks clamped in the snapping roll are pulled out by hands to tear out the corn stalks easily, so that the power of the header of the corn harvester is not cut off. The operation is dangerous, the human is easy to hurt, and the arm of the human can be rolled in by carelessness, so that serious injury is caused; and time and labor are wasted, and the operation efficiency of the corn harvester can be affected to a certain extent. Accordingly, there is a great need for a corn harvester header that overcomes the deficiencies of the prior art corn harvesters.

Disclosure of Invention

The utility model aims to provide a corn harvester header, which overcomes the defects that in the prior art, when a snapping roll is choked in the working process of the header of a corn harvester, corn straws of the header need to be manually cleaned, so that workers are easy to be injured, and the working efficiency of the corn harvester is reduced.

The utility model is realized by adopting the following technical scheme:

a corn harvester header comprises a frame, wherein a header transmission mechanism, a spike picking box, a seedling pulling device and a snapping roll are arranged on the frame; the header transmission mechanism transmits the power of the main machine of the corn harvester to the seedling pulling device and the snapping roll through the snapping box; the corn harvester header is provided with a header gearbox. The corn harvester header is provided with a header gearbox, so that the defect that a header operation part can only rotate forward and can not rotate reversely can be overcome.

The header gearbox may be provided with a forward and/or reverse speed change mechanism. The transmission may be provided with only the reverse rotation mechanism or the forward rotation mechanism, or may be provided with both the forward rotation mechanism and the reverse rotation mechanism.

The corn harvester header can include an upper header and a lower header, and the upper header is fixedly connected with the lower header.

The header gearbox can be fixedly arranged on the corn harvester header. The header gearbox is fixedly arranged on the header of the corn harvester, and the power output shaft of the header gearbox is directly connected with the transmission mechanism of the header, so that the corn harvester is convenient and easy to install and fix.

The power output shaft of the header gearbox can be provided with a chain wheel or/and a belt wheel; the power input shaft of the header gearbox can be provided with a universal joint or a shaft coupling or a shaft connecting device I and is connected with a power transmission shaft output by the corn harvester through the universal joint or the shaft coupling or the shaft connecting device I.

The header gearbox can be fixedly arranged on a main machine of the corn harvester.

The power input shaft of the header gearbox can be provided with a universal joint or a shaft coupling or a shaft connecting device I and is connected with a power transmission shaft output by a main machine of the corn harvester through the universal joint or the shaft coupling or the shaft connecting device I; the power output shaft of the header gearbox can be provided with a universal joint or a coupling or a shaft connecting device II and is connected with a header transmission mechanism through a power transmission shaft.

The upper part of the snapping roll is preferably provided with a protection plate. The protection plate is arranged above the snapping roll, so that corn kernels can be effectively prevented from falling off and losing when the corn ears are dry.

Compared with the prior art, the utility model has the beneficial effects that: the corn harvester header is provided with the header gearbox, so that the inversion of the corn harvester header transmission mechanism can be realized, namely, the seedling pulling device and the snapping roll can be inverted. When the corn harvester works, once the corn straw is choked with the straw-collecting device and the snapping roller of the header, the reversing function of the header gearbox can be started, so that the corn straw plugged in the straw-collecting device and the snapping roller can be spit out, the difficulty of manual operation is greatly reduced, and the occurrence of a hurt event is effectively avoided; the forward rotation of the header gearbox can be increased, and according to the operation requirement, when the forward rotation speed increasing function of the header gearbox is started, the working efficiency of the header can be improved.

Drawings

FIG. 1 is a front view of a schematic structural view of a corn harvester header;

FIG. 2 is a top view of a schematic structural view of a corn harvester header;

FIG. 3 is a partial enlarged view B of FIG. 2;

FIG. 4 is a partial view in the direction C of FIG. 1;

FIG. 5 is a front view of the header gearbox of embodiment 1;

FIG. 6 is a left side view of the header gearbox of embodiment 1;

FIG. 7 is a right side view of the header gearbox of embodiment 1;

FIG. 8 is a sectional view A-A of FIG. 7;

FIG. 9 is a D-D sectional view of FIG. 7;

FIG. 10 is a partial view of the E-E cross-sectional view of FIG. 9;

FIG. 11 is a partial view of the H-H cross-sectional view of FIG. 6;

FIG. 12 is a front view of the header gearbox of embodiment 3;

fig. 13 is a front view of a schematic structural diagram of embodiment 4.

In the figure: 1. a lower cutting table; 2. an auger sprocket; 3. a cutting table is arranged; 4. a protective cover; 5. a power output shaft; 6. a seedling pulling device; 7. snapping rolls; 8. a protection plate; 9. an auger; 10. a power input shaft; 11. a header gearbox; 12. a header transmission mechanism; 13. a transmission housing; 14. a second gear drive gear; 15. a meshing sleeve; 16. reverse gear driving gear; 17. a first gear drive gear; 18. a sprocket; 19. a spike picking box; 20. a belt pulley; 21. a second gear intermediate gear; 22. reverse gear driven gear; 23. a frame; 24. a support sleeve; 25. a shaft connecting device I; 26. a shaft connecting device II; 27. a first intermediate gear; 28. an idler shaft; 29. a first gear output gear; 30. a second gear output gear; 31. a gearbox bracket; 32. a second gear shift rail; 33. a first gear and reverse gear shift rail; 34. and a stay wire connecting hole.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

Example 1:

the corn harvester cutting table comprises a frame 23, a cutting table transmission mechanism 12, a cutting table gearbox 11 and a corn picking box 19 are arranged on the frame 23, and a power output shaft of the corn picking box 19 is respectively connected with a corn pulling device 6 and a corn picking roller 7; the power transmitted by the main machine of the corn harvester is transmitted to the ear picking box 19 through the header gearbox 11, the header transmission mechanism 12 and the chain wheel 18 and then transmitted to the seedling pulling device 6 and the ear picking roller 7.

The corn harvester cutting table is provided with a cutting table gearbox 11, a power input shaft 10 of the cutting table gearbox 11 is in transmission connection with power transmitted by a corn harvester main machine, and a power output shaft 5 of the cutting table gearbox 11 is in transmission connection with a cutting table transmission mechanism 12; the header gearbox 11 is provided with a forward rotation mechanism and a reverse rotation mechanism, so that the reverse rotation of the header transmission mechanism can be realized; the header transmission mechanism is reversed, and the seedling pulling device 6 and the snapping roll 7 are also reversed at the same time. When the straw pulling device 6 and the snapping roll 7 are plugged by corn straws, the corn straws plugged in the snapping roll 7 can be quickly cleaned through the inversion of the straw pulling device 6 and the snapping roll 7, so that the difficulty of manual operation is greatly reduced, and the occurrence of a human injury event is effectively avoided.

The cutting table gearbox 11 is provided with a neutral gear, a first forward gear, a second forward gear and a reverse gear, the cutting table gearbox 11 is provided with a power input shaft 10, a power output shaft 5 and an idler shaft 28, the power input shaft 10 is provided with a first gear driving gear 17, a second gear driving gear 14 and a reverse gear driving gear 16, the power output shaft 5 is provided with a first gear output gear 29, a second gear output gear 30 and a reverse gear driven gear 22, and the idler shaft 28 is provided with a first gear intermediate gear 27 and a second gear intermediate gear 21.

When the reverse driving gear 16 and the reverse driven gear 22 are meshed, the header transmission mechanism 12 reverses, so that the seedling pulling device 6 and the snapping roll 7 realize reversing, namely reversing; the first-gear output gear 29 and the first-gear intermediate gear 27, the second-gear output gear 30 and the second-gear intermediate gear 21 are in a constant mesh state; when the first gear driving gear 17 and the first gear intermediate gear 27 are meshed, the header transmission mechanism 12 rotates positively, and the normal working speed is achieved; when the second gear driving gear 14 and the second gear intermediate gear 21 are meshed, the header transmission mechanism 12 rotates positively to achieve 1.2 times of speed increase.

When the header gearbox 11 is in first gear, the speed of each working part of the corn harvester header is the normal working speed; in the second gear of the header gearbox 11, the speed of each working part of the corn harvester header is 1.2 times of the normal speed.

The shaft connecting devices I25 and II26 may be universal joints, couplings, shaft connecting devices, or the like.

Example 2:

a corn harvester header comprises an upper header 3 and a lower header 1, wherein the upper header 3 is fixedly connected with the lower header 1; the header gearbox 11 is fixedly arranged on a header of the corn harvester; the power input shaft 10 of the header gearbox 11 is connected with a power transmission shaft transmitted by a corn harvester host through a shaft connecting device I25, and the power output shaft 5 is connected with the header transmission mechanism 12 through a belt pulley 20 and a chain wheel 18; a protection plate 8 is arranged above the snapping roll 7; otherwise, the same as in example 1 was used.

The header gearbox 11 is fixedly arranged on the lower header 1 of the corn harvester, so that the corn harvester is convenient and easy to operate, and the structure of the main machine part of the corn harvester does not need to be changed.

Example 3:

the power input shaft 10 of the header gearbox 11 is provided with a shaft connecting device I25, the shaft connecting device I25 is connected with a power transmission shaft output by a corn harvester host, the power output shaft 5 is provided with a shaft connecting device II26, and the power output shaft is connected with a header transmission mechanism through the power transmission shaft, a chain wheel and a belt wheel; the internal structure of the header gearbox 11 is the same as in embodiment 1.

A header gearbox mounting fixed bracket is arranged on a main machine of the corn harvester, and a header gearbox 11 is fixedly arranged on the main machine of the corn harvester.

Example 4:

a corn harvester header comprises an upper header 3 and a lower header 1, wherein the upper header 3 is fixedly connected with the lower header 1; the header transmission mechanism 12 is connected with power shafts on the upper header 3 and the lower header 1 through belt pulleys or chain wheels respectively; otherwise, the same as in example 1 was used. The upper header 3 is used for harvesting corn ears, the lower header 1 is used for harvesting corn stalks, and the corn stalks are conveyed and stored by other components on the corn harvester after being harvested.

When the corn harvester cutting table is used, the corn harvester cutting table is arranged and fixed on the corn harvester cutting table or a main machine of the corn harvester through the gearbox bracket 31 according to design requirements, an operating lever of the cutting table gearbox 11 is arranged in a cab and is connected with a gear shifting stay wire, the gear shifting stay wire is connected with a second gear shifting fork shaft 32 and a stay wire connecting hole 34 of a first gear shifting fork shaft 33 and a reverse gear shifting fork shaft, and a shifting fork is arranged on the gear shifting fork shaft; the shifting fork is controlled by the control rod to realize gear engagement and gear shifting.

Claims (7)

1. The corn harvester cutting table comprises a frame (23), wherein a cutting table transmission mechanism (12), a spike picking box (19), a seedling pulling device (6) and a snapping roll (7) are arranged on the frame (23); the header transmission mechanism (12) transmits the power of the main machine of the corn harvester to the seedling collecting device (6) and the snapping roll (7) through the snapping box (19), and is characterized in that: the corn harvester header is provided with a header gearbox (11), and the header gearbox (11) is provided with a forward rotation and/or reverse rotation speed change mechanism.

2. The corn harvester header of claim 1, wherein: the corn harvester header comprises an upper header (3) and a lower header (1), and the upper header (3) is fixedly connected with the lower header (1).

3. The corn harvester header of claim 1, wherein: the header gearbox (11) is fixedly arranged on the corn harvester header.

4. A corn harvester header as in claim 3 wherein: the power output shaft (5) of the header gearbox (11) is provided with a chain wheel or/and a belt pulley; the power input shaft (10) of the header gearbox is provided with a universal joint or a coupling or a shaft connecting device I (25), and is connected with a power transmission shaft output by a main machine of the corn harvester through the universal joint or the coupling or the shaft connecting device I (25).

5. The corn harvester header of claim 1, wherein: the header gearbox (11) is fixedly arranged on a main machine of the corn harvester.

6. The corn harvester header of claim 5, wherein: the power input shaft (10) of the header gearbox (11) is provided with a shaft connecting device I (25) and is connected with a power transmission shaft output by the corn harvester through the shaft connecting device I (25); the power output shaft (5) of the header gearbox (11) is provided with a shaft connecting device II (26) and is connected with the header transmission mechanism (12) through a power transmission shaft.

7. The corn harvester header of any one of claims 1 to 6, wherein: a protection plate (8) is arranged above the snapping roll (7).

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