Corn harvester

Abstract

The invention relates to the field of corn harvesters, in particular to a corn harvester. The corn harvester comprises a transmission mechanism, a header main plate, a header box body, a seedling pulling chain, a seedling pulling claw, a seedling pulling bevel gear shaft, a seedling pulling driving chain wheel, a seedling pulling chain tensioning chain wheel, a stem pulling transmission gear shaft, a stem pulling roller and an ear picking plate, the header main plate is connected with the side face of the header box body, and the seedling pulling bevel gear shaft is connected into the header box body; the reel bevel gear shaft is arranged on the header main plate and penetrates above the header box body, the reel driving chain wheel is connected to the part, located outside the header box body, of the reel bevel gear shaft, the reel chain tensioning chain wheel is correspondingly arranged on the header main plate, the reel chain is connected to the reel driving chain wheel and the reel chain tensioning chain wheel, and the reel claws are connected to the reel chain at intervals. The two groups of the seedling pulling chains, the seedling pulling claws, the seedling pulling bevel gear shafts, the seedling pulling driving chain wheels and the seedling pulling chain tensioning chain wheels are arranged on harvesting grooves formed in the header main plate in parallel at intervals, the ear picking plates are connected into the harvesting grooves and extend towards the interiors of the harvesting grooves, the stem pulling transmission gear shafts are connected to the header box body, the stem pulling rollers are connected to the stem pulling transmission gear shafts, and the stem pulling rollers are connected to the stem pulling transmission gear shafts. And the transmission mechanism is respectively in transmission connection with the stem pulling transmission gear shaft and the seedling pulling bevel gear shaft.

Description

Technical Field

[0001] The present application relates to the field of corn harvesters, and in particular to a corn harvester. Background Art

[0002] The patent with publication number CN208016363U discloses a single-row corn harvester, but the single-row corn harvester can only harvest a single ridge and is not suitable for harvesting two ridges at a time, and the harvesting efficiency is low. Summary of the invention

[0003] The present application provides a corn harvester that can achieve a one-film two-ridge harvesting method, thereby improving production efficiency, making harvesting more convenient, and reducing production costs.

[0004] The embodiment of the present application provides a corn harvester, including: a transmission mechanism, a header mainboard, a header box, a straw pulling chain, a straw pulling claw, a straw pulling bevel gear shaft, a straw pulling active sprocket, a straw pulling chain tensioning sprocket, a stem pulling transmission gear shaft, a stem pulling roller, and an ear picking plate. The header mainboard is connected to the side of the header box, the straw pulling bevel gear shaft is connected inside the header box and is passed through the top of the header box, the straw pulling active sprocket is connected to the part of the straw pulling bevel gear shaft outside the header box, the straw pulling chain tensioning sprocket is correspondingly arranged on the header mainboard, and the straw pulling chain tensioning sprocket is correspondingly arranged on the header mainboard. The rice chain is connected to the rice plowing driving sprocket and the rice plowing chain tensioning sprocket, the rice plowing claws are connected to the rice plowing chain at intervals, and there are two groups of rice plowing chains, rice plowing claws, rice plowing bevel gear shafts, rice plowing driving sprockets, and rice plowing chain tensioning sprockets, and the two groups are parallel and spaced apart on the harvesting trough of the harvesting table main board, the ear picking plate is connected in the harvesting trough and extends into the harvesting trough, the stem pulling transmission gear shaft is connected to the harvesting table box, the stem pulling roller is connected to the stem pulling transmission gear shaft, and the transmission mechanism is respectively connected to the stem pulling transmission gear shaft and the rice plowing bevel gear shaft.

[0005] In the corn harvester provided in the present application, the transmission mechanism includes a main shaft sprocket of a field returner, a transmission chain of a field returner, a lower output sprocket of a reversing box, an upper output sprocket of a reversing box, a reversing box, a cutting table transmission chain, a main shaft sprocket of a cutting table box, a main shaft of a cutting table box, a double-sided spiral bevel gear, a peeling roller drive gear shaft, a field returner knife roller shaft, a peeling machine star wheel shaft drive sprocket, and a reversing box power input sprocket.

[0006] The corn harvester provided by the present application includes: a transmission mechanism, a cutting table main board, a cutting table box, a straw pulling chain, a straw pulling claw, a straw pulling bevel gear shaft, a straw pulling active sprocket, a straw pulling chain tensioning sprocket, a stem pulling transmission gear shaft, a stem pulling roller, and an ear picking plate. The cutting table main board is connected to the side of the cutting table box, the straw pulling bevel gear shaft is connected inside the cutting table box and is passed through the top of the cutting table box, the straw pulling active sprocket is connected to the part of the straw pulling bevel gear shaft outside the cutting table box, the straw pulling chain tensioning sprocket is correspondingly arranged on the cutting table main board, and the straw pulling chain is connected to the cutting table main board. The plowing claw is connected to the plowing chain at intervals. The plowing chain, plowing claw, plowing bevel gear shaft, plowing driving sprocket, and plowing chain tensioning sprocket have two groups, and the two groups are arranged in parallel and at intervals on the harvesting groove of the main board of the header. The ear picking plate is connected in the harvesting groove and extends into the harvesting groove. The stem pulling transmission gear shaft is connected to the header box, and the stem pulling roller is connected to the stem pulling transmission gear shaft. The transmission mechanism is respectively connected to the stem pulling transmission gear shaft and the plowing bevel gear shaft. The plowing driving sprocket is driven by the transmission mechanism to transmit power to the plowing chain to rotate the plowing chain, and the corn stalks are pushed backward by the plowing claw, and the stem pulling roller is rotated by the stem pulling transmission gear shaft to continuously pull the corn stalks downward, so that the ears on the corn stalks are picked off under the blocking action of the ear picking plate. The present application replaces the harvesting function of two plowing chains with one plowing chain. It can solve the problem that a single-row harvester can only harvest in a single row and cannot realize the harvesting method of one film and two ridges with a ridge spacing of 500-800mm, thereby improving production efficiency, making harvesting more convenient and reducing production costs.

[0007] It should be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0009] Figure 1 It is a schematic diagram of the overall structure of a corn harvester provided in an embodiment of the present application; Figure 2 It is a schematic diagram of an embodiment of a corn harvester provided in an embodiment of the present application; Figure 3 It is a schematic diagram of another embodiment of the corn harvester provided in the embodiment of the present application.

[0010] Description of main components and symbols: 1. Main board of the cutting platform; 2. Straw-pulling chain; 3. Straw-pulling claw; 4. Ear-picking plate; 5. Stem-pulling roller; 6. Left side plate of the field returner; 7. Main shaft sprocket of the field returner; 8. Drive chain of the field returner; 9. Lower output sprocket of the reversing box; 10. Upper output sprocket of the reversing box; 11. Reversing box; 12. Drive chain of the cutting platform; 13. Main shaft sprocket of the cutting platform box; 14. Drive gear shaft of the stem-pulling roller; 15. Main shaft of the cutting platform box; 16. Double-sided spiral bevel gear; 17. Straw-pulling bevel gear shaft; 18. Drive gear shaft of the scalping roller; 19. Straw-pulling active sprocket; 20. Cutting platform box; 21. Straw-pulling chain tensioning sprocket; 22. Right side plate of the field returner; 23. Knife roller of the field returner; 24. Drive sprocket of the star wheel shaft of the scalping machine; 25. Power input sprocket of the reversing box; 26. Connecting plate; 27. Mounting plate of the reversing box. Implementation

[0011] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0012] In conjunction with the accompanying drawings, some embodiments of the present application are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0013] It should be understood that the terms used in this application specification are only for the purpose of describing specific embodiments and are not intended to limit the application. As used in this application specification and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0014] It should be understood that, in order to facilitate the clear description of the technical solutions of the embodiments of the present application, in the embodiments of the present application, the words "first", "second", etc. are used to distinguish the same items or similar items with substantially the same functions and effects. For example, the first groove and the second groove are only used to distinguish different grooves, and their order is not limited. Those skilled in the art can understand that the words "first", "second", etc. do not limit the quantity and execution order, and the words "first", "second", etc. do not necessarily limit them to be different.

[0015] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0016] The patent with publication number CN208016363U discloses a single-row corn harvester, but the single-row corn harvester can only harvest a single ridge and is not suitable for harvesting two ridges at a time, and the harvesting efficiency is low.

[0017] In order to solve the above technical problems, the corn harvester provided in the present application includes: a transmission mechanism, a cutting table main board 1, a cutting table box 20, a straw pulling chain, a straw claw 3, a straw pulling bevel gear shaft 17, a straw pulling active sprocket 19, a straw pulling chain tensioning sprocket 21, a stem pulling roller transmission gear shaft 14, a stem pulling roller 5, and an ear picking plate 4. The cutting table main board 1 is connected to the side of the cutting table box 20, the straw pulling bevel gear shaft 17 is connected to the inside of the cutting table box 20, and is passed through the top of the cutting table box 20, the straw pulling active sprocket 19 is connected to the part of the straw pulling bevel gear shaft 17 located outside the cutting table box 20, and the straw pulling chain tensioning sprocket 21 is correspondingly arranged on the cutting table main board 1, the plowing chain 2 is connected to the plowing driving sprocket 19 and the plowing chain tensioning sprocket 21, the plowing claw 3 is connected to the plowing chain 2 at intervals, the plowing chain, the plowing claw 3, the plowing bevel gear shaft 17, the plowing driving sprocket 19, and the plowing chain tensioning sprocket 21 have two groups, and the two groups are parallel and spaced apart on the harvesting groove of the header main board 1, the ear picking plate 4 is connected in the harvesting groove and extends into the harvesting groove, the stem pulling roller transmission gear shaft 14 is connected to the header box 20, the stem pulling roller 5 is connected to the stem pulling roller transmission gear shaft 14, and the transmission mechanism is respectively connected to the stem pulling roller transmission gear shaft 14 and the plowing bevel gear shaft 17. The driving sprocket 19 is driven by the transmission mechanism to transmit power to the reed chain 2 to rotate the reed chain 2, and the reed claw 3 is used to push the corn stalk backward, and then the reed roller 5 is rotated by the stalk roller transmission gear shaft 14 to continuously pull the corn stalk downward, so that the ears on the corn stalk are picked off under the blocking effect of the ear picking plate 4. The present application replaces the harvesting function of two reed chains 2 with one reed chain 2. It can solve the problem that a single-row harvester can only harvest in a single row and cannot realize a harvesting method of one film and two ridges with a ridge spacing of 500-800 mm, thereby improving production efficiency, making harvesting more convenient, and reducing production costs.

[0018] refer to Figure 1-Figure 3The present application provides a corn harvester, comprising: a transmission mechanism, a header mainboard 1, a header box 20, a straw pulling chain, a straw pulling claw 3, a straw pulling bevel gear shaft 17, a straw pulling driving sprocket 19, a straw pulling chain tensioning sprocket 21, a stem pulling roller transmission gear shaft 14, a stem pulling roller 5, and an ear picking plate 4. The header mainboard 1 is connected to the side of the header box 20, the straw pulling bevel gear shaft 17 is connected to the header box 20 and is passed through the top of the header box 20, the straw pulling driving sprocket 19 is connected to the part of the straw pulling bevel gear shaft 17 located outside the header box 20, and the straw pulling chain tensioning sprocket 21 is correspondingly arranged on the header mainboard 1. The rice chain 2 is connected to the rice plowing driving sprocket 19 and the rice plowing chain tensioning sprocket 21, the rice plowing claw 3 is connected to the rice plowing chain 2 at intervals, the rice plowing chain, the rice plowing claw 3, the rice plowing bevel gear shaft 17, the rice plowing driving sprocket 19, and the rice plowing chain tensioning sprocket 21 have two groups, and the two groups are parallel and spaced apart on the harvesting groove of the harvesting platform main board 1, the ear picking plate 4 is connected to the harvesting groove and extends into the harvesting groove, the stem pulling roller transmission gear shaft 14 is connected to the harvesting platform box 20, the stem pulling roller 5 is connected to the stem pulling roller transmission gear shaft 14, and the transmission mechanism is respectively connected to the stem pulling roller transmission gear shaft 14 and the rice plowing bevel gear shaft 17.

[0019] In some embodiments, the transmission mechanism includes a main shaft sprocket 7 of a field returner, a transmission chain 8 of a field returner, a lower output sprocket 9 of a reversing box, an upper output sprocket 10 of a reversing box, a reversing box 11, a cutting table transmission chain 12, a cutting table box main shaft sprocket 13, a cutting table box main shaft 15, a double-sided spiral bevel gear 16, a peeling roller drive gear shaft 18, a field returner knife roller shaft 23, a peeling machine star wheel shaft drive sprocket 24, and a reversing box power input sprocket 25.

[0020] The transmission mechanism is relatively common, and some connection and combination relationships are not repeated. For details, please refer to the attached drawings, which show the connection and combination relationships between the various components. After viewing the attached drawings, those skilled in the art can understand the connection and combination relationships of the transmission mechanism and other components of the present application. Specifically, the main board 1 of the cutting platform is also provided with a perforated pipe extending along the outer edge of the main board 1 of the cutting platform. The whole is U-shaped, and the hole faces the reed chain 2. The pipe port can be connected to the water pump and the fan in sequence to clean the main board 1 of the cutting platform.

[0021] The output power of the gearbox is transmitted to the reversing box 11 through the reversing box power input sprocket 25, and then transmitted to the cutting table box through the reversing box lower output sprocket 9, the reversing box upper output sprocket 10, the field returning machine transmission chain 8, and the cutting table box main shaft sprocket 13, and then transmitted to the reed chain 2 through the reed driving sprocket 19 to rotate the reed chain 2, and push the corn stalk backward through the reed claw 3. Then, the reed roller 5 is rotated through the reed roller transmission gear shaft 14 to continuously pull the corn stalk downward, so that the ears on the corn stalk are picked off under the blocking action of the ear picking plate 4.

[0022] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed in the present application, and these modifications or replacements should be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be based on the protection scope of the claims.

Claims

1. A corn harvester, characterized in that: include: Transmission mechanism, header mainboard, header box, rice-pulling chain, rice-pulling claw, rice-pulling bevel gear shaft, rice-pulling driving sprocket, rice-pulling chain tensioning sprocket, stem-pulling transmission gear shaft, stem-pulling roller, ear-picking plate, header mainboard is connected to the side of header box, rice-pulling bevel gear shaft is connected in header box and penetrates to the top of header box, rice-pulling driving sprocket is connected to the part of rice-pulling bevel gear shaft outside header box, rice-pulling chain tensioning sprocket is correspondingly arranged on header mainboard, rice-pulling chain is connected to rice-pulling driving chain The plucking wheel is connected to the plucking chain tensioning sprocket, the plucking claws are connected to the plucking chain at intervals, the plucking chain, the plucking claws, the plucking bevel gear shaft, the plucking driving sprocket and the plucking chain tensioning sprocket have two groups, and the two groups are parallel and spaced apart on the harvesting groove of the harvesting table main board, the ear picking plate is connected in the harvesting groove and extends into the harvesting groove, the stem pulling transmission gear shaft is connected to the harvesting table box, the stem pulling roller is connected to the stem pulling transmission gear shaft, and the transmission mechanism is respectively connected to the stem pulling transmission gear shaft and the plucking bevel gear shaft.

2. The corn harvester according to claim 1, characterized in that: The transmission mechanism includes the main shaft sprocket of the field returner, the transmission chain of the field returner, the lower output sprocket of the reversing box, the upper output sprocket of the reversing box, the reversing box, the cutting table transmission chain, the cutting table box main shaft sprocket, the cutting table box main shaft, the double-sided spiral bevel gear, the peeling roller drive gear shaft, the field returner knife roller shaft, the peeling machine star wheel shaft drive sprocket, and the reversing box power input sprocket.

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