Header of corn harvester

Abstract

The header of the corn harvester comprises a header body, the outer surface of the upper end of the header body is provided with a quick-disassembly type protective cover device used for improving disassembly, assembly and fixation convenience, and the quick-disassembly type protective cover device comprises an installation base and a protective cover body. A positioning embedding groove is formed in the middle of the outer surface of the upper end of the mounting base, fixing thread grooves are formed in the middles of the outer surfaces of the two sides of the mounting base, a U-shaped connecting base is fixedly connected to the outer surface of the lower end of the protective cover body, and a positioning inserting block is fixedly connected to the middle of the inner surface of the upper end of the U-shaped connecting base. According to the header of the corn harvester, due to the fact that the quick-release protective cover device is arranged, the structure is simple, operation is convenient and fast, the convenience of detaching and fixing between the protective cover body and the header body can be improved, and daily maintenance and cleaning can be conveniently conducted on the interior of the header body.

Description

Technical Field

[0001] The utility model relates to the technical field of corn harvesters, in particular to a harvesting platform of a corn harvester. Background Art

[0002] Corn harvester is an agricultural machine that mechanically harvests corn stalks when the corn is ripe or nearly ripe according to agronomic requirements. It shortens the labor cycle of farmers and frees them from heavy physical labor.

[0003] The protective cover of the existing corn harvester header is usually fixed and welded on the header, lacks a quick disassembly and assembly fixing structure, and is inconvenient for maintenance and cleaning inside the header. In addition, the existing corn harvester lacks an auxiliary dust suction device, and particulate dust will be generated when harvesting corn, causing environmental pollution and bringing certain adverse effects to people's use process. For this reason, we propose a corn harvester header. Utility Model Content

[0004] The utility model aims to solve the problems existing in the prior art and provides a harvesting platform for a corn harvester.

[0005] The utility model solves the above technical problems through the following technical means:

[0006] A harvesting platform of a corn harvester, comprising a harvesting platform body, wherein the upper outer surface of the harvesting platform body is provided with a quick-detachable protective cover device for improving the convenience of disassembly and assembly, the quick-detachable protective cover device comprises a mounting base and a protective cover body, a positioning embedding groove is provided in the middle of the upper outer surface of the mounting base, and fixing thread grooves are provided in the middle of the outer surfaces of both sides of the mounting base, the lower outer surface of the protective cover body is fixedly connected with a U-shaped connecting seat, the middle of the upper inner surface of the U-shaped connecting seat is fixedly connected with a positioning plug, the middle of the inner surfaces of both sides of the U-shaped connecting seat are fixedly installed with mounting nut seats, the inner ring of the mounting nut seat is provided with a fixing bolt, and a hand wheel is fixedly installed on one end of the fixing bolt, and the upper outer surface of the protective cover body is provided with an auxiliary automatic dust suction device for improving the dust removal effect.

[0007] Furthermore, the mounting base is fixedly connected to the upper outer surface of the harvesting platform body, the positioning embedding groove passes through the middle of the upper outer surface of the mounting base, the fixing thread groove passes through the middle of the outer surfaces on both sides of the mounting base, the U-shaped connecting seat is fixedly connected to the lower outer surface of the protective cover body, the positioning plug is fixedly connected to the middle of the upper inner surface of the U-shaped connecting seat, the fixing bolt is movably connected between the mounting nut seat and the middle of the inner surfaces on both sides of the U-shaped connecting seat, and the handwheel is fixedly connected to one end of the fixing bolt.

[0008] Furthermore, the U-shaped connecting seat is movably connected to the inside of the positioning insert through the positioning plug, the fixing bolt is threadedly connected to the fixing thread groove, and the protective cover body and the harvesting platform body are detachably connected.

[0009] Furthermore, the auxiliary automatic dust collection device includes a dust box, a sealed movable box door is provided in the middle of the outer surface of one side of the dust box, a fan is fixedly installed on the upper outer surface of the dust box, an exhaust duct is provided in the middle of the upper outer surface of the fan, a connecting groove is provided between the air inlet of the fan and the middle of the upper inner surface of the dust box, a filter is provided inside the connecting groove, an air inlet duct is fixedly connected between the middle of the lower outer surface of the dust box and the protective cover body, and an air suction hood is fixedly installed on the other end of the air inlet duct.

[0010] Furthermore, the dust box is fixedly connected to the upper outer surface of the protective cover body, and the interior of the dust box is connected to the air suction hood through an air inlet pipe. The air inlet pipe passes through the middle of the upper inner surface of the protective cover body, and the air suction hood is located inside the protective cover body.

[0011] Furthermore, the sealed movable box door is movably connected to the middle part of the outer surface of one side of the dust box, the fan is fixedly connected to the upper outer surface of the dust box, the air inlet of the fan is connected to the interior of the dust box through a connecting groove, and the filter is fixedly connected to the inner surface of the connecting groove. Beneficial effects

[0012] Compared with the prior art, the present invention provides a harvesting platform for a corn harvester, which has the following beneficial effects:

[0013] 1. The harvesting platform of the corn harvester is provided with a quick-detachable protective cover device, which has a simple structure and is easy to operate. It can improve the convenience of disassembly and fixation between the protective cover body and the harvesting platform body, and facilitate daily maintenance and cleaning of the harvesting platform body.

[0014] 2. The harvesting platform of the corn harvester is provided with an auxiliary automatic dust suction device, which has a simple structure and can realize automatic dust suction during corn harvesting, thereby improving the convenience of cleaning and collecting dust and debris, improving the dust suction effect, and protecting the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a harvesting platform of a corn harvester.

[0016] Figure 2 The utility model is a schematic diagram of the overall structure of a quick-detachable protective cover device of a harvesting platform of a corn harvester.

[0017] Figure 3The utility model is a schematic diagram of the overall structure of an auxiliary automatic dust suction device for a harvesting platform of a corn harvester.

[0018] Figure 4 The utility model is a schematic diagram of the internal planar structure of an auxiliary automatic dust suction device of a harvesting platform of a corn harvester.

[0019] In the figure: 1. Harvesting platform body; 2. Quick-detachable protective cover device; 3. Mounting base; 4. Protective cover body; 5. Positioning embedding groove; 6. Fixing thread groove; 7. U-shaped connecting seat; 8. Positioning plug block; 9. Mounting nut seat; 10. Fixing bolt; 11. Handwheel; 12. Auxiliary automatic dust collection device; 13. Dust collection box; 14. Sealed movable box door; 15. Fan; 16. Exhaust duct; 17. Connecting groove; 18. Filter; 19. Air inlet duct; 20. Suction hood. DETAILED DESCRIPTION

[0020] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0021] like Figures 1-4 As shown, a harvesting platform of a corn harvester includes a harvesting platform body 1. The upper outer surface of the harvesting platform body 1 is provided with a quick-detachable protective cover device 2 for improving the convenience of disassembly and assembly. The quick-detachable protective cover device 2 includes a mounting base 3 and a protective cover body 4. A positioning embedding groove 5 is provided in the middle of the upper outer surface of the mounting base 3, and a fixing thread groove 6 is provided in the middle of the outer surfaces of both sides of the mounting base 3. The lower outer surface of the protective cover body 4 is fixedly connected with a U-shaped connecting seat 7, and a positioning plug-in block 8 is fixedly connected to the middle of the upper inner surface of the U-shaped connecting seat 7. Mounting nut seats 9 are fixedly installed in the middle of the inner surfaces of both sides of the U-shaped connecting seat 7. The inner ring of the mounting nut seat 9 is provided with a fixing bolt 10, and a hand wheel 11 is fixedly installed on one end of the fixing bolt 10. The upper outer surface of the protective cover body 4 is provided with an auxiliary automatic dust suction device 12 for improving the dust removal effect.

[0022] The mounting base 3 is fixedly connected to the upper outer surface of the harvesting platform body 1, the positioning embedding groove 5 passes through the middle of the upper outer surface of the mounting base 3, the fixed thread groove 6 passes through the middle of the outer surfaces on both sides of the mounting base 3, the U-shaped connecting seat 7 is fixedly connected to the lower outer surface of the protective cover body 4, the positioning plug 8 is fixedly connected to the middle of the upper inner surface of the U-shaped connecting seat 7, the fixing bolt 10 is movably connected between the mounting nut seat 9 and the middle of the inner surfaces on both sides of the U-shaped connecting seat 7, and the handwheel 11 is fixedly connected to one end of the fixing bolt 10.

[0023] The U-shaped connecting seat 7 is movably connected to the inside of the positioning embedding groove 5 through the positioning plug block 8, the fixing bolt 10 is threadedly connected to the fixing thread groove 6, and the protective cover body 4 and the harvesting platform body 1 are detachably connected.

[0024] The auxiliary automatic dust collection device 12 includes a dust box 13, a sealed movable box door 14 is provided in the middle of the outer surface of one side of the dust box 13, a fan 15 is fixedly installed on the upper outer surface of the dust box 13, an exhaust pipe 16 is provided in the middle of the upper outer surface of the fan 15, a connecting groove 17 is provided between the air inlet of the fan 15 and the middle of the upper inner surface of the dust box 13, a filter screen 18 is provided inside the connecting groove 17, an air inlet pipe 19 is fixedly connected between the middle of the lower outer surface of the dust box 13 and the protective cover body 4, and an air suction hood 20 is fixedly installed on the other end of the air inlet pipe 19.

[0025] The dust box 13 is fixedly connected to the upper outer surface of the protective cover body 4. The interior of the dust box 13 is connected to the air suction hood 20 through the air inlet pipe 19. The air inlet pipe 19 passes through the middle of the upper inner surface of the protective cover body 4. The air suction hood 20 is located inside the protective cover body 4.

[0026] The sealed movable box door 14 is movably connected to the middle part of the outer surface of one side of the dust box 13, the fan 15 is fixedly connected to the upper outer surface of the dust box 13, the air inlet of the fan 15 is connected to the interior of the dust box 13 through the connecting groove 17, and the filter screen 18 is fixedly connected to the inner surface of the connecting groove 17.

[0027] When installing the protective cover body 4, the U-shaped connecting seat 7 at the lower end of the protective cover body 4 is inserted into the positioning embedding groove 5 of the mounting base 3 through the positioning plug block 8, and the installation position of the protective cover body 4 is quickly positioned. At this time, the mounting nut seat 9 corresponds to the position of the fixed thread groove 6 on both sides of the mounting base 3. After rotating the fixing bolt 10 with the handwheel 11, the fixing bolt 10 can be rotated into the fixed thread groove 6 to complete the rapid installation and fixation between the protective cover body 4 and the harvesting platform body 1. When the protective cover body 4 needs to be disassembled, after rotating the handwheel 11 in the opposite direction, the mounting nut seat 9 is rotated out of the fixed thread groove 6, and the U-shaped connecting seat 7 at the lower end of the protective cover body 4 can be removed from the mounting base 3 to complete the rapid disassembly of the protective cover body 4. When a large amount of dust and debris is generated when the harvesting platform body 1 harvests corn, the fan 15 is started. The fan 15 can suck the air containing dust and debris under the suction hood 20 into the suction hood 20, and then enter the dust box 13 through the air inlet pipe 19. The dust and debris in the air are filtered and blocked by the filter mesh 18 in the connecting groove 17 and collected in the dust box 13. The filtered air is discharged through the exhaust pipe 16.

[0028] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "include," "comprise," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "includes a..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0029] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A harvesting platform of a corn harvester, comprising a harvesting platform body (1), characterized in that: The upper outer surface of the harvesting platform body (1) is provided with a quick-detachable protective cover device (2) for improving the convenience of disassembly and fixing. The quick-detachable protective cover device (2) includes a mounting base (3) and a protective cover body (4). A positioning embedding groove (5) is provided in the middle of the upper outer surface of the mounting base (3). Fixed thread grooves (6) are provided in the middle of the outer surfaces of both sides of the mounting base (3). The lower outer surface of the protective cover body (4) is fixedly connected with a U-shaped connecting seat (7). A positioning plug (8) is fixedly connected to the middle of the upper inner surface of the U-shaped connecting seat (7). A mounting nut seat (9) is fixedly installed in the middle of the inner surfaces of both sides of the U-shaped connecting seat (7). The inner ring of the mounting nut seat (9) is provided with a fixing bolt (10). A hand wheel (11) is fixedly installed at one end of the fixing bolt (10). The upper outer surface of the protective cover body (4) is provided with an auxiliary automatic dust collection device (12) for improving the dust removal effect.

2. The harvesting platform of a corn harvester according to claim 1, characterized in that: The mounting base (3) is fixedly connected to the upper outer surface of the harvesting platform body (1), the positioning embedded groove (5) passes through the middle of the upper outer surface of the mounting base (3), the fixed thread groove (6) passes through the middle of the outer surfaces on both sides of the mounting base (3), the U-shaped connecting seat (7) is fixedly connected to the lower outer surface of the protective cover body (4), the positioning plug (8) is fixedly connected to the middle of the upper inner surface of the U-shaped connecting seat (7), the fixing bolt (10) is movably connected between the mounting nut seat (9) and the middle of the inner surfaces on both sides of the U-shaped connecting seat (7), and the hand wheel (11) is fixedly connected to one end of the fixing bolt (10).

3. The harvesting platform of a corn harvester according to claim 1, characterized in that: The U-shaped connecting seat (7) is movably connected to the interior of the positioning insert (5) via the positioning plug (8), the fixing bolt (10) is threadedly connected to the fixing thread groove (6), and the protective cover body (4) and the harvesting platform body (1) are detachably connected.

4. The harvesting platform of a corn harvester according to claim 1, characterized in that: The auxiliary automatic dust collection device (12) includes a dust box (13), a sealed movable box door (14) is provided in the middle of the outer surface of one side of the dust box (13), a fan (15) is fixedly installed on the outer surface of the upper end of the dust box (13), an exhaust pipe (16) is provided in the middle of the outer surface of the upper end of the fan (15), a connecting groove (17) is provided between the air inlet of the fan (15) and the middle of the inner surface of the upper end of the dust box (13), a filter (18) is provided inside the connecting groove (17), an air inlet pipe (19) is fixedly connected between the middle of the outer surface of the lower end of the dust box (13) and the protective cover body (4), and an air suction cover (20) is fixedly installed on the other end of the air inlet pipe (19).

5. The harvesting platform of a corn harvester according to claim 4, characterized in that: The dust collecting box (13) is fixedly connected to the outer surface of the upper end of the protective cover body (4), and the interior of the dust collecting box (13) is connected to the air suction cover (20) through the air inlet pipe (19), and the air inlet pipe (19) passes through the middle of the inner surface of the upper end of the protective cover body (4), and the air suction cover (20) is located inside the protective cover body (4).

6. The harvesting platform of a corn harvester according to claim 4, characterized in that: The sealed movable box door (14) is movably connected to the middle portion of the outer surface of one side of the dust collecting box (13); the fan (15) is fixedly connected to the outer surface of the upper end of the dust collecting box (13); the air inlet of the fan (15) is connected to the interior of the dust collecting box (13) through the connecting groove (17); and the filter (18) is fixedly connected to the inner surface of the connecting groove (17).

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