Right ear picking gear box and corn harvester

Abstract

The utility model relates to a right ear picking gear box and a corn harvester, the right ear picking gear box comprises a box body, an input shaft, an ear picking shaft, an ear picking gear shaft and a seedling pulling output shaft, the ear picking shaft, the ear picking gear shaft and the seedling pulling output shaft are respectively and horizontally arranged in the box body, are mutually parallel and can respectively rotate around the axial direction of the ear picking shaft, the ear picking gear shaft and the seedling pulling output shaft; the ear picking shaft is in transmission connection with the ear picking gear shaft through an ear picking transmission assembly, and the ear picking gear shaft is in transmission connection with the seedling pulling output shaft through a seedling pulling transmission assembly; the input shaft is horizontally installed in the box body, the input end of the input shaft extends out of the box body, the input shaft can rotate around the axial direction of the input shaft, and the input shaft is in transmission connection with the ear picking transmission assembly through the power input piece. The right ear picking gear box for the corn harvester has the advantages of being simple in structure, reasonable in design, light in weight, high in strength, low in failure rate, capable of achieving multi-path power transmission, capable of greatly reducing production cost and maintenance cost and capable of improving competitiveness of products.

Description

Technical Field

[0001] The utility model relates to the technical field of corn harvesters, in particular to a right ear picking gear box and a corn harvester. Background Art

[0002] The ear picking box refers to one of the important working parts of the corn harvester. Its main function is to provide power for the stalk conveying system of the corn harvester to realize the harvesting of the stalks and the transportation of corn into the header box for harvesting.

[0003] At present, the mainstream right ear-picking gear box on the market has a single structure, with disadvantages such as bulky appearance, large overall weight, low strength, high failure rate and easy chain entanglement. Utility Model Content

[0004] The utility model provides a right ear picking gear box and a corn harvester, aiming to solve the problems in the prior art.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A right ear-picking gear box comprises a box body, an input shaft, an ear-picking shaft, an ear-picking gear shaft and a straw-pushing output shaft, wherein the ear-picking shaft, the ear-picking gear shaft and the straw-pushing output shaft are respectively horizontally installed in the box body, are parallel to each other and can rotate around their own axes, and their output ends extend outside the box body respectively; the ear-picking shaft and the ear-picking gear shaft are transmission-connected through an ear-picking transmission assembly, and the ear-picking gear shaft and the straw-pushing output shaft are transmission-connected through the straw-pushing transmission assembly; the input shaft is horizontally installed in the box body, and its input end extends outside the box body and can rotate around its own axis, and the input shaft is transmission-connected to the ear-picking transmission assembly through a power input member.

[0007] The beneficial effects of the utility model are as follows: during use, power is input from the input shaft, and on the one hand is transmitted to the ear picking shaft and the ear picking gear shaft, and then transmitted to the stalk roller by the ear picking shaft and the ear picking gear shaft, so that the stalk roller rotates to harvest corn; on the other hand, power is transmitted to the straw-pulling output shaft via the ear picking gear shaft, and the straw-pulling output shaft outputs power to the double straw-pulling gear box of the whole machine to drive the sprocket of the whole machine to pull the corn stalks to harvest corn, which is convenient and efficient.

[0008] The utility model has a simple structure and a reasonable design. By designing a new layout and structure, the right ear picking gear box for the new corn harvester can transmit power in multiple ways, has light weight, high strength and low failure rate, greatly reduces production costs and maintenance costs, and improves product competitiveness.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, the power input member includes a driving bevel gear, which is coaxially fixedly sleeved on the output end of the input shaft and is transmission-connected to the ear-picking transmission assembly.

[0011] The beneficial effects of adopting the above-mentioned further scheme are simple structure and reasonable design. The input shaft utilizes the active bevel gear to transmit power to the ear picking shaft and the ear picking gear shaft through the ear picking transmission assembly, and transmits the power to the stalk roller on the corn harvester, thereby realizing the process of harvesting corn stalks and harvesting corn into the header box.

[0012] Furthermore, the ear picking transmission assembly includes a passive bevel gear, an ear picking idler wheel and two ear picking passive gears. The passive bevel gear is rotatably installed in the housing through a two-axis idler wheel shaft, and is meshed with the active bevel gear; the ear picking idler wheel is rotatably installed in the housing through a single-axis idler wheel shaft, and is meshed with the passive bevel gear; the two ear picking passive gears are coaxially fixedly sleeved on the input end of the ear picking shaft and the input end of the ear picking gear shaft, and are respectively meshed with the ear picking idler wheel and the passive bevel gear.

[0013] The beneficial effect of adopting the above-mentioned further scheme is that during use, power is transmitted from the input shaft to the active bevel gear, and the active bevel gear utilizes the engagement between itself and the passive bevel gear to transmit power to the passive bevel gear, and the passive bevel gear utilizes the engagement between itself and one of the ear picking passive gears and the ear picking idler wheel, as well as the engagement between the ear picking idler wheel and the other ear picking passive gear to drive the two ear picking passive gears to rotate simultaneously, and the two ear picking passive gears respectively drive the ear picking shaft and the ear picking gear shaft to rotate, so as to transmit power to the stalk rollers on the corn harvester, thereby realizing the process of harvesting corn stalks and harvesting corn into the header box.

[0014] Furthermore, the straw-pulling transmission assembly includes an ear-picking gear and a normally-closed passive gear. The ear-picking gear is coaxially fixedly mounted on the output end of the ear-picking gear shaft; the normally-closed passive gear is coaxially fixedly sleeved on the input end of the straw-pulling output shaft and is transmission-connected to the ear-picking gear through a transmission member.

[0015] The beneficial effects of adopting the above-mentioned further scheme are simple structure and reasonable design. The ear picking gear 1 and the normally closed passive gear 1 are utilized to enable the ear picking gear shaft to transmit power to the straw-pulling output shaft, and the straw-pulling output shaft outputs power to the double straw-pulling gear box of the whole machine to drive the sprocket of the whole machine to pull the corn stalks to harvest corn, making harvesting convenient and efficient.

[0016] Furthermore, the transmission member includes an ear picking gear 2, a straw plowing transmission shaft, a straw plowing idler shaft and two normally-engaged passive gears 2. The straw plowing transmission shaft is horizontally rotatably installed in the housing and is located between the ear picking gear shaft and the straw plowing output shaft; the straw plowing idler shaft is horizontally rotatably installed in the housing and is located between the straw plowing output shaft and the straw plowing transmission shaft; the two normally-engaged passive gears 2 are coaxially fixedly sleeved on the input end of the straw plowing transmission shaft and the output end of the straw plowing idler shaft, and are respectively meshed with the ear picking gear 1 and the normally-engaged passive gear 1; the ear picking gear 2 is coaxially fixedly sleeved on the output end of the straw plowing transmission shaft, and is meshed with the normally-engaged passive gear 2 corresponding to the straw plowing idler shaft.

[0017] The beneficial effect of adopting the above-mentioned further scheme is simple structure and reasonable design. The power is transmitted to the reed-pulling output shaft by utilizing the second ear-picking gear, the reed-pulling transmission shaft, the reed-pulling idler shaft and two normally engaged passive gears. The reed-pulling output shaft outputs the power to the double reed-pulling gear box of the whole machine to drive the sprocket of the whole machine to pull the corn stalks to harvest corn. The harvesting is convenient and efficient.

[0018] Further, both ends of the input shaft and / or both ends of the ear picking shaft and / or both ends of the ear picking gear shaft and / or both ends of the straw plowing output shaft and / or both ends of the straw plowing transmission shaft and / or both ends of the straw plowing idler shaft are rotatably connected to the housing via ball bearings respectively.

[0019] The beneficial effects of adopting the above further solution are simple structure and reasonable design. Ball bearings are used at both ends of each shaft for positioning, which improves the assembly accuracy of the corresponding gears and the axial clearance fixation of the bearings, making assembly and maintenance easier.

[0020] Furthermore, the output end of the ear picking shaft and / or the output end of the ear picking gear shaft are respectively connected with a connecting ball head for connecting a stalk roller.

[0021] The beneficial effects of adopting the above further scheme are simple structure and convenient assembly. The ear picking shaft and the ear picking gear shaft transmit power to the stalk roller on the corn harvester through the connecting ball head respectively, so that harvesting is convenient and efficient.

[0022] Furthermore, a sprocket is coaxially sleeved at the input end of the input shaft, and the sprocket is fixedly mounted on the input end of the input shaft via a flat key and positioned via a flat washer and a bolt.

[0023] The beneficial effects of adopting the above further solution are simple structure, reasonable design, convenient assembly and easy maintenance.

[0024] Furthermore, a refueling hole that penetrates inside and outside is provided at the front end of the box body, and a refueling hole screw plug is installed at the refueling hole; an observation hole that penetrates inside and outside is provided at the top of the box body, and an observation hole screw plug is installed at the observation hole; an oil drain hole that penetrates inside and outside is provided at the bottom of the box body, and an oil drain hole screw plug is installed at the oil drain hole.

[0025] The beneficial effects of adopting the above further scheme are simple structure, reasonable design, convenient addition of oil by using the filling hole, and convenient discharge of oil in the box by using the drain hole; in addition, the observation hole is convenient for observing the gear meshing condition during assembly and maintenance.

[0026] The utility model also relates to a corn harvester, comprising the right ear picking gear box as described above.

[0027] The beneficial effect of adopting the above-mentioned further scheme is that the utility model also provides a corn harvester with a simple structure and a reasonable design. By designing a new layout and structure, the new corn harvester can realize multi-path power transmission with the right ear picking gear box, light weight, high strength and low failure rate, which greatly reduces the production cost and maintenance cost and improves the competitiveness of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0029] Figure 2 It is the front view of the utility model;

[0030] Figure 3 for Figure 2 Sectional view of AA in the middle;

[0031] Figure 4 It is a rear view of the utility model;

[0032] Figure 5 for Figure 4 Cross-sectional view of BB.

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] 1. Housing; 2. Oil filling plug; 3. Oil drain plug; 4. End cover; 5. Ball bearing; 6. Input shaft; 7. Driving bevel gear; 8. Observation hole plug; 9. Oil seal; 10. Flat key; 11. Sprocket; 12. Ear picking gear 2; 13. Passive bevel gear; 14. Ear picking gear 1; 15. O-ring; 16. Bolt; 17. Second shaft idler shaft; 18. Flat washer; 19. Ear picking gear shaft; 20. Rice plowing transmission shaft; 21. Ear plowing passive gear; 22. Ear plowing shaft; 23. Normally closed passive gear 2; 24. Normally closed passive gear 1; 25. Connecting ball head; 26. Bottom plate; 27. Ear plucking idler; 28. Rice plowing output shaft; 29. ​​Rice plowing idler shaft; 30. First shaft idler shaft. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0036] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0038] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0039] Example 1

[0040] like Figures 1 to 5As shown, the present embodiment provides a right ear picking gear box, comprising a box body 1, an input shaft 6, an ear picking shaft 22, an ear picking gear shaft 19 and a straw-pulling output shaft 28, wherein the ear picking shaft 22, the ear picking gear shaft 19 and the straw-pulling output shaft 28 are respectively horizontally mounted in the box body 1, are parallel to each other and can rotate around their own axes, and their output ends extend to the outside of the box body 1 respectively; the ear picking shaft 22 and the ear picking gear shaft 19 are transmission-connected via an ear picking transmission assembly, and the ear picking gear shaft 19 and the straw-pulling output shaft 28 are transmission-connected via a straw-pulling transmission assembly; the input shaft 6 is horizontally mounted in the box body 1, and its input end extends to the outside of the box body 1, and can rotate around its own axis, and the input shaft 6 is transmission-connected to the ear picking transmission assembly via a power input member.

[0041] During use, power is input by the input shaft 6, and on the one hand is transmitted to the ear picking shaft 22 and the ear picking gear shaft 19, and then transmitted to the stalk roller by the ear picking shaft 22 and the ear picking gear shaft 19, so that the stalk roller rotates to harvest corn; on the other hand, power is transmitted to the straw output shaft 28 via the ear picking gear shaft, and the straw output shaft 28 outputs power to the double straw gear box of the whole machine to drive the sprocket of the whole machine to straw the corn stalks to harvest corn, which is convenient and efficient.

[0042] Preferably, in this embodiment, the box body 1 is in an L-shaped structure as a whole.

[0043] In addition, the lower end of the box body 1 is open, and a bottom plate 26 is installed by bolts.

[0044] This embodiment has a simple structure and a reasonable design. By designing a new layout and structure, the right ear picking gear box for the new corn harvester can transmit power in multiple ways, has a light weight, high strength, and a low failure rate, which greatly reduces production and maintenance costs and improves product competitiveness.

[0045] Example 2

[0046] On the basis of Example 1, in this embodiment, the power input member includes a driving bevel gear 7, and the driving bevel gear 7 is coaxially fixedly sleeved on the output end of the input shaft 6, and is drivingly connected to the ear picking transmission assembly.

[0047] The scheme has a simple structure and a reasonable design. The input shaft 6 uses the active bevel gear 7 to transmit power to the ear picking shaft 22 and the ear picking gear shaft 19 through the ear picking transmission assembly, and transmits the power to the stalk rollers on the corn harvester, thereby realizing the process of harvesting corn stalks and harvesting corn into the header box.

[0048] Based on the above solution, the input shaft 6 is distributed perpendicular to the ear picking shaft 22 and the ear picking gear shaft 19 .

[0049] Example 3

[0050] On the basis of Example 2, in this embodiment, the ear picking transmission assembly includes a passive bevel gear 13, an ear picking idler wheel 27 and two ear picking passive gears 21; the passive bevel gear 13 is rotatably installed in the housing 1 via a two-axis idler wheel shaft 17, and is meshed with the active bevel gear 7; the ear picking idler wheel 27 is rotatably installed in the housing 1 via a single-axis idler wheel shaft 30, and is meshed with the passive bevel gear 13; the two ear picking passive gears 21 are coaxially fixedly sleeved on the input end of the ear picking shaft 22 and the input end of the ear picking gear shaft 19, and are respectively meshed with the ear picking idler wheel 27 and the passive bevel gear 13.

[0051] During use, power is transmitted from the input shaft 6 to the active bevel gear 7, and the active bevel gear 7 utilizes the meshing between it and the passive bevel gear 13 to transmit power to the passive bevel gear 13, and the passive bevel gear 13 utilizes the meshing between it and one of the ear picking passive gears 21 and the ear picking idler wheel 27, as well as the meshing between the ear picking idler wheel 27 and the other ear picking passive gear 21 to drive the two ear picking passive gears 21 to rotate simultaneously, and the two ear picking passive gears 21 respectively drive the ear picking shaft 22 and the ear picking gear shaft 19 to rotate, so as to transmit power to the stalk rollers on the corn harvester, thereby realizing the process of harvesting corn stalks and harvesting corn into the header box.

[0052] Preferably, in this embodiment, the passive bevel gear 13 and the second-axis idler shaft 17 are connected by ball bearings, and the second-axis idler shaft 17 and the housing 1 adopt a small transition fit and are fixed at the end face, which improves the connection strength and reduces the failure rate.

[0053] Preferably, in this embodiment, the above-mentioned second-axis idler shaft 17 is rotatably connected to the housing 1 through a ball bearing, and the housing 1 is provided with a fixing hole that matches the second-axis idler shaft 17, and an O-ring 15 is installed between the second-axis idler shaft 17 and the fixing hole.

[0054] In addition, the outer end face of the second-axis idler shaft 17 has a welded positioning platform, which is positioned and connected with the end face of the box body 1 and fixed with bolts. The outer diameter of the second-axis idler shaft 17 is matched with the small transition of the inner hole of the box body 1, and an O-ring 15 is added to prevent oil leakage. This structure ensures the position of the second-axis idler shaft 17 and the coaxiality with the housing hole, which is conducive to increasing the position of the passive bevel gear 13 support, reducing the noise and torque of the gear transmission, and ensuring the gear accuracy of the entire box.

[0055] Preferably, in this embodiment, an idler shaft weldment is fixedly installed at the corresponding position in the above-mentioned box body 1, and the ear picking idler 27 is rotatably installed on the idler shaft weldment through an idler shaft 30. The outer end face of the idler shaft weldment has a welded positioning platform, which is positioned and connected with the end face of the box body 1 and fixed with bolts. The outer diameter of the idler shaft weldment is matched with the small transition of the inner hole of the box body 1, and an O-ring is added to prevent oil leakage. This structure ensures the position of the idler shaft weldment and the coaxiality with the housing hole, which is conducive to increasing the position of the ear picking idler 27 support, reducing the noise and torque of the gear transmission, and ensuring the gear accuracy of the entire box.

[0056] Example 4

[0057] On the basis of the above embodiments, in this embodiment, the straw-pulling transmission assembly includes an ear-picking gear 14 and a normally-closed passive gear 24. The ear-picking gear 14 is coaxially fixedly mounted on the output end of the ear-picking gear shaft 19; the normally-closed passive gear 24 is coaxially fixedly sleeved on the input end of the straw-pulling output shaft 28, and is connected to the ear-picking gear 14 through a transmission member.

[0058] The scheme has a simple structure and a reasonable design. The ear picking gear 14 and the normally closed passive gear 24 are used to enable the ear picking gear shaft 19 to transmit power to the straw-pulling output shaft 28. The straw-pulling output shaft 28 outputs power to the double straw-pulling gear box of the whole machine to drive the sprocket of the whole machine to pull the corn stalks to harvest corn. The harvesting is convenient and efficient.

[0059] Example 5

[0060] On the basis of Example 4, in this embodiment, the transmission member includes an ear picking gear 12, a straw plowing transmission shaft 20, a straw plowing idler shaft 29 and two normally-closed passive gears 23. The straw plowing transmission shaft 20 is horizontally rotatably installed in the housing 1, and is located between the ear picking gear shaft 19 and the straw plowing output shaft 28; the straw plowing idler shaft 29 is horizontally rotatably installed in the housing 1, and is located between the straw plowing output shaft 28 and the straw plowing transmission shaft 20; the two normally-closed passive gears 23 are respectively coaxially fixedly sleeved at the input end of the straw plowing transmission shaft 20 and the output end of the straw plowing idler shaft 29, and are respectively meshed with the ear picking gear 14 and the normally-closed passive gear 1 24; the ear picking gear 12 is coaxially fixedly sleeved at the output end of the straw plowing transmission shaft 20, and is meshed with the normally-closed passive gear 23 corresponding to the straw plowing idler shaft 29.

[0061] The scheme has a simple structure and a reasonable design. It utilizes the ear picking gear 12, the straw plowing transmission shaft 20, the straw plowing idler shaft 29 and two normally engaged passive gears 23 to transmit power to the straw plowing output shaft 28. The straw plowing output shaft 28 outputs power to the double straw plowing gear box of the whole machine to drive the sprocket of the whole machine to plow corn stalks to harvest corn. The harvesting is convenient and efficient.

[0062] Example 6

[0063] On the basis of Example 5, in this embodiment, the two ends of the input shaft 6 and / or the two ends of the ear picking shaft 22 and / or the two ends of the ear picking gear shaft 19 and / or the two ends of the straw plowing output shaft 28 and / or the two ends of the straw plowing transmission shaft 20 and / or the two ends of the straw plowing idler shaft 29 are respectively rotatably connected to the housing 1 via ball bearings 5.

[0064] This solution has a simple structure and a reasonable design. Both ends of each shaft are positioned by ball bearings 5, which improves the assembly accuracy of the corresponding gears and the axial clearance fixation of the bearings, making assembly and maintenance easier.

[0065] Preferably, in this embodiment, a pair of mounting holes penetrating inside and outside are relatively provided on the housing 1, and both ends of the input shaft 6 extend to the two mounting holes respectively, and are rotatably connected to the two mounting holes through ball bearings 5 ​​respectively; the input end of the input shaft 6 extends outside the corresponding mounting hole.

[0066] Preferably, in this embodiment, end covers 4 are respectively installed at the two installation holes by bolts.

[0067] In addition, a groove is provided on the end cover 4 corresponding to the output end of the input shaft 6, and an oil seal 9 is installed in the groove.

[0068] Example 7

[0069] On the basis of the above embodiments, in this embodiment, the output end of the ear picking shaft 22 and / or the output end of the ear picking gear shaft 19 are respectively connected with a connecting ball head 25 for connecting a stalk roller.

[0070] This solution has a simple structure and is easy to assemble. The ear picking shaft 22 and the ear picking gear shaft 19 transmit power to the stalk rollers on the corn harvester through the connecting ball heads 25, respectively, so that harvesting is convenient and efficient.

[0071] Example 8

[0072] On the basis of the above embodiments, in this embodiment, a sprocket 11 is coaxially sleeved at the input end of the input shaft 6 , and the sprocket 11 is fixedly mounted on the input end of the input shaft 6 by a flat key 10 and positioned by a flat washer 18 and a bolt 16 .

[0073] The scheme has the advantages of simple structure, reasonable design, convenient assembly and easy maintenance.

[0074] Based on the above scheme, the sprocket 11 is coaxially sleeved on the input end of the input shaft 6 through the flat key 10, the bolt 16 passes through the flat washer 18, and the bolt 16 is threadedly connected to the corresponding end of the input shaft 6, and the flat washer 18 abuts against the corresponding end of the sprocket 11.

[0075] In addition, the sprocket 11 is connected to the input shaft 6 via a flat key 10, and the inner hole connecting the sprocket 11 and the input shaft 6 has a taper, which increases the friction torque, improves the connection strength, and reduces the failure rate.

[0076] Preferably, in this embodiment, the driving bevel gear 7 is connected to the input shaft 6 via a spline.

[0077] Preferably, in this embodiment, the gap between the corresponding end cover 4 and the ear picking gear shaft 19 is less than 0.5 mm, so as to prevent dust from entering the end face of the oil seal, causing the oil seal to be contaminated and damaged, and further causing oil leakage in the gear box.

[0078] Example 9

[0079] On the basis of the above embodiments, in this embodiment, the front end of the box body 1 is provided with a refueling hole that penetrates inside and outside, and a refueling hole screw plug 2 is installed at the refueling hole; the top of the box body 1 is provided with an observation hole that penetrates inside and outside, and an observation hole screw plug 8 is installed at the observation hole; the bottom of the box body 1 is provided with an oil drain hole that penetrates inside and outside, and an oil drain hole screw plug 3 is installed at the oil drain hole.

[0080] The scheme has a simple structure and a reasonable design. The oil filling hole is used to add oil, and the oil drain hole is used to discharge the oil in the box. In addition, the observation hole is used to observe the gear meshing condition during assembly and maintenance.

[0081] Based on the above scheme, the above-mentioned oil filling hole screw plug 2 is threadedly connected to the oil filling hole, the observation hole screw plug 8 is threadedly connected to the observation hole, and the oil drain hole screw plug 3 is threadedly connected to the oil drain hole.

[0082] Example 10

[0083] On the basis of the above embodiments, this embodiment further provides a corn harvester, including the right ear picking gear box as described above.

[0084] The present embodiment also provides a corn harvester, which has a simple structure and a reasonable design. By designing a new layout and structure, the new corn harvester uses a right ear picking gear box with multi-path power transmission, light weight, high strength, and low failure rate, which greatly reduces production costs and maintenance costs and improves product competitiveness.

[0085] The working principle of the utility model is as follows:

[0086] During use, power is transmitted from the input shaft 6 to the active bevel gear 7, and the active bevel gear 7 transmits power to the passive bevel gear 13 by means of the meshing between the active bevel gear 7 and the passive bevel gear 13, and the passive bevel gear 13 drives the two passive ear picking gears 21 to rotate simultaneously by means of the meshing between the passive ear picking gear 21 and the idle ear picking gear 27, and the meshing between the idle ear picking gear 27 and the other passive ear picking gear 21, and the two passive ear picking gears 21 respectively drive the ear picking shaft 22 and the ear picking gear shaft 19 to rotate, so as to transmit power to the stalk rollers on the corn harvester, thereby realizing the process of harvesting corn stalks and harvesting corn into the header box;

[0087] At the same time, the ear picking gear shaft 19 utilizes the ear picking gear 12, the straw plowing transmission shaft 20, the straw plowing idler shaft 29 and two normally closed passive gears 23 to transmit power to the straw plowing output shaft 28, and the straw plowing output shaft 28 outputs power to the double straw plowing gear box of the whole machine to drive the sprocket of the whole machine to plow the corn stalks to harvest corn, which is convenient and efficient.

[0088] Attached Figure 5 The arrow in the figure only refers to the path of power transmission and has no other substantial meaning.

[0089] The utility model provides a new layout and structure design, which has a reasonable structure, high reliability, light weight, high strength and low failure rate, greatly reduces production costs and maintenance costs, and improves product competitiveness; through the rearrangement of the structure, an output shaft for providing power to the double reed gear box is added, and the problems of idler shaft breakage, inaccurate precision and oil leakage in the market are solved, thereby increasing service life and reducing maintenance costs.

[0090] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0091] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0092] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A right ear picking gear box, characterized in that: The invention comprises a housing (1), an input shaft (6), an ear picking shaft (22), an ear picking gear shaft (19) and a straw-pulling output shaft (28); the ear picking shaft (22), the ear picking gear shaft (19) and the straw-pulling output shaft (28) are respectively horizontally mounted in the housing (1), are parallel to each other and can respectively rotate around their own axes, and their output ends respectively extend to the outside of the housing (1); the ear picking shaft (22) and the ear picking gear shaft (19) are transmission-connected via an ear picking transmission assembly, and the ear picking gear shaft (19) and the straw-pulling output shaft (28) are transmission-connected via a straw-pulling transmission assembly; the input shaft (6) is horizontally mounted in the housing (1), and its input end extends to the outside of the housing (1), and can rotate around its own axis, and the input shaft (6) is transmission-connected to the ear picking transmission assembly via a power input member.

2. The right ear picking gear box according to claim 1, characterized in that: The power input member comprises a driving bevel gear (7), which is coaxially fixedly sleeved on the output end of the input shaft (6) and is drivingly connected to the ear picking transmission assembly.

3. The right ear picking gear box according to claim 2, characterized in that: The ear picking transmission assembly comprises a passive bevel gear (13), an ear picking idler wheel (27) and two ear picking passive gears (21); the passive bevel gear (13) is rotatably mounted in the housing (1) via a two-axis idler wheel shaft (17), and is meshed with the active bevel gear (7); the ear picking idler wheel (27) is rotatably mounted in the housing (1) via a one-axis idler wheel shaft (30), and is meshed with the passive bevel gear (13); the two ear picking passive gears (21) are coaxially fixedly sleeved on the input end of the ear picking shaft (22) and the input end of the ear picking gear shaft (19), and are respectively meshed with the ear picking idler wheel (27) and the passive bevel gear (13).

4. The right ear picking gear box according to any one of claims 1 to 3, characterized in that: The straw-pulling transmission assembly comprises an ear-picking gear (14) and a normally engaged passive gear (24); the ear-picking gear (14) is coaxially fixedly mounted on the output end of the ear-picking gear shaft (19); the normally engaged passive gear (24) is coaxially fixedly sleeved on the input end of the straw-pulling output shaft (28), and is transmission-connected to the ear-picking gear (14) through a transmission member.

5. The right ear picking gear box according to claim 4, characterized in that: The transmission member comprises an ear picking gear (12), a straw plowing transmission shaft (20), a straw plowing idler wheel shaft (29) and two normally coupled passive gears (23); the straw plowing transmission shaft (20) is horizontally rotatably mounted in the housing (1) and is located between the ear picking gear shaft (19) and the straw plowing output shaft (28); the straw plowing idler wheel shaft (29) is horizontally rotatably mounted in the housing (1) and is located between the straw plowing output shaft (28) and the straw plowing transmission shaft (2 0); the two normally engaged passive gears 2 (23) are respectively coaxially fixedly sleeved on the input end of the straw-pulling transmission shaft (20) and the output end of the straw-pulling idler shaft (29), and are respectively meshed with the ear-picking gear 1 (14) and the normally engaged passive gear 1 (24); the ear-picking gear 2 (12) is coaxially fixedly sleeved on the output end of the straw-pulling transmission shaft (20), and is meshed with the normally engaged passive gear 2 (23) corresponding to the straw-pulling idler shaft (29).

6. The right ear picking gear box according to claim 5, characterized in that: Both ends of the input shaft (6) and / or both ends of the ear picking shaft (22) and / or both ends of the ear picking gear shaft (19) and / or both ends of the straw plowing output shaft (28) and / or both ends of the straw plowing transmission shaft (20) and / or both ends of the straw plowing idler shaft (29) are rotatably connected to the housing (1) via ball bearings (5).

7. The right ear picking gear box according to any one of claims 1 to 3, characterized in that: The output end of the ear picking shaft (22) and / or the output end of the ear picking gear shaft (19) are respectively connected with a connecting ball head (25) for connecting to a stalk roller.

8. The right ear picking gear box according to any one of claims 1 to 3, characterized in that: The input end of the input shaft (6) is coaxially sleeved with a sprocket (11), and the sprocket (11) is fixedly mounted on the input end of the input shaft (6) via a flat key (10) and positioned via a flat washer (18) and a bolt (16).

9. The right ear picking gear box according to any one of claims 1 to 3, characterized in that: The front end of the box body (1) is provided with a refueling hole that penetrates inside and outside, and a refueling hole screw plug (2) is installed at the refueling hole; the top of the box body (1) is provided with an observation hole that penetrates inside and outside, and an observation hole screw plug (8) is installed at the observation hole; the bottom of the box body (1) is provided with an oil drain hole that penetrates inside and outside, and an oil drain hole screw plug (3) is installed at the oil drain hole.

10. A corn harvester, characterized in that: It comprises the right ear picking gear box as described in any one of claims 1-9.

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