Transmission mechanism of a corn harvester and corn harvester

By designing the transmission mechanism of the corn harvester, using pulleys and chain drives to connect the power unit, walking device, header device, and peeling device, the transmission path is simplified, costs are reduced, and reliability is improved, solving the problems of complex structure and inconvenient maintenance in existing technologies.

CN224521805UActive Publication Date: 2026-07-21SHANDONG SHUFENG AGRI EQUIP CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG SHUFENG AGRI EQUIP CO LTD
Filing Date
2025-06-17
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

The existing corn harvester power transmission mechanism is relatively complex, prone to failure during use, inconvenient to maintain and adjust, and has high production costs.

Method used

A transmission mechanism for a corn harvester was designed, including a first transmission component, a second transmission component, and a third transmission component. The transmission structure connects the power unit, the walking device, the header device, and the peeling device. It adopts belt pulley and chain drive, which simplifies the transmission path, uses a single power output source, reduces device cost, and improves reliability.

Benefits of technology

It simplifies the power source for the walking, harvesting and peeling of corn harvesters. The device is low in cost, easy to maintain, adaptable and highly reliable, and solves the problems of complex structure and inconvenient maintenance in existing technologies.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224521805U_ABST
    Figure CN224521805U_ABST
Patent Text Reader

Abstract

The utility model provides a kind of corn harvester's transmission mechanism and corn harvester, it is related to agricultural machinery equipment technical field, to solve the technical problem of higher production and manufacturing cost in prior art, more faults when using, inconvenient maintenance adjustment, the device includes first transmission component, second transmission component and third transmission component, first transmission component is respectively connected by first transmission structure, second transmission structure, third transmission structure with power device, running gear and second transmission component transmission;Second transmission component is connected by fourth transmission structure with third transmission component transmission;Third transmission component is respectively connected by fifth transmission structure and sixth transmission structure with header device, peeling device transmission, the utility model's running, harvesting, peeling three parts use a power output source, cooperate relatively simple transmission structure, device cost is low, easy to maintain, good adaptability and high reliability.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of agricultural machinery and equipment technology, and in particular to a transmission mechanism for a corn harvester and a corn harvester. Background Technology

[0002] Corn harvesters have multiple power-dependent working units, such as walking, harvesting, peeling, and straw crushing, which in turn require multiple power output devices and transmission mechanisms. As corn harvesting technology matures, users have placed higher demands on the reliability of corn harvesters.

[0003] The applicant has discovered that the prior art has at least the following technical problems:

[0004] The existing corn harvester power transmission mechanism is relatively complex, prone to failure during use, inconvenient to maintain and adjust, and has high production costs. Utility Model Content

[0005] The purpose of this utility model is to provide a transmission mechanism and a corn harvester, to solve the technical problems of existing corn harvester power transmission mechanisms being complex, prone to malfunctions, inconvenient to maintain and adjust, and having high production costs. The various technical effects of the preferred technical solutions provided by this utility model are detailed below.

[0006] To achieve the above objectives, the present invention provides the following technical solution:

[0007] This utility model provides a transmission mechanism for a corn harvester, comprising a first transmission assembly, a second transmission assembly, and a third transmission assembly, wherein:

[0008] The first transmission assembly is connected to the power unit, the walking device, and the second transmission assembly via a first transmission structure, a second transmission structure, and a third transmission structure, respectively.

[0009] The second transmission component is connected to the third transmission component via a fourth transmission structure;

[0010] The third transmission component is connected to the cutting platform device and the peeling device via the fifth transmission structure and the sixth transmission structure, respectively.

[0011] Preferably, the first transmission assembly includes at least a first transmission shaft and a first transmission device, a second transmission device, and a third transmission device connected to the first transmission shaft, wherein:

[0012] The first transmission device is connected to the power device via the first transmission structure;

[0013] The second transmission device is connected to the walking device via the second transmission structure;

[0014] The third transmission device is connected to the second transmission component via the third transmission structure.

[0015] Preferably, the first transmission assembly further includes a first bearing; the first transmission device, the second transmission device, and the third transmission device all use pulleys; and the first transmission structure, the second transmission structure, and the third transmission structure all use transmission belts, wherein:

[0016] The first transmission assembly is connected to the chassis of the corn harvester via a first bearing;

[0017] The first transmission device is connected to the power output pulley of the power device via the first transmission structure;

[0018] The second transmission device is connected to the travel gearbox clutch pulley of the travel device via the second transmission structure.

[0019] Preferably, the fourth transmission structure includes an intermediate wheel assembly, a first chain, and a second chain, wherein:

[0020] The second transmission component is connected to the intermediate wheel component via the first chain;

[0021] The intermediate wheel assembly is connected to the third transmission assembly via the second chain.

[0022] Preferably, the second transmission assembly includes at least a second transmission shaft and a fourth transmission device and a fifth transmission device connected to the second transmission shaft, wherein:

[0023] The fourth transmission device is connected to the third transmission device via the third transmission structure;

[0024] The fifth transmission device is connected to the intermediate wheel assembly via the first chain.

[0025] Preferably, the second transmission assembly further includes a second bearing, the fourth transmission device uses a pulley, and the fifth transmission device uses a sprocket, wherein:

[0026] The second transmission assembly is connected to the chassis of the corn harvester via a second bearing.

[0027] Preferably, the third transmission assembly includes at least a third transmission shaft and a sixth, a seventh, and an eighth transmission device connected to the third transmission shaft, wherein:

[0028] The sixth transmission device is connected to the intermediate wheel assembly via the second chain;

[0029] The seventh transmission device is connected to the cutting table device via the fifth transmission structure;

[0030] The eighth transmission device is connected to the peeling device via the sixth transmission structure.

[0031] Preferably, the third transmission assembly further includes a third bearing, the sixth, seventh, and eighth transmission devices all use sprockets, and the fifth and sixth transmission structures both use chains, wherein:

[0032] The third transmission assembly is connected to the peeling device or the cutting table device via the third bearing;

[0033] The seventh transmission device is connected to the sprocket drive of the cutting table device through the fifth transmission structure;

[0034] The eighth transmission device is connected to the sprocket of the peeling device via the sixth transmission structure.

[0035] Preferably, the sieve assembly is mounted on the chassis of the corn harvester or on the peeling device.

[0036] A corn harvester includes the transmission mechanism of the corn harvester described above.

[0037] This utility model provides a transmission mechanism for a corn harvester and a corn harvester in general. The mechanism consists of a first transmission component, a second transmission component, and a third transmission component connected sequentially. The first transmission component is connected to a power device via a first transmission structure and to a walking device via a second transmission structure. The third transmission component is connected to a header device and a peeling device via a fifth and a sixth transmission structure, respectively, forming a relatively simple transmission mechanism that uses the same power output source. This solves the power source problem for the three main parts of the corn harvester: walking, harvesting, and peeling. The device is low in cost, easy to maintain, adaptable, and highly reliable. Attached Figure Description

[0038] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0039] Figure 1This is a schematic diagram of the main structure of the transmission mechanism of the corn harvester of this utility model;

[0040] Figure 2 This is a top view schematic diagram of the transmission mechanism of the corn harvester of this utility model.

[0041] In the diagram: 1. First transmission assembly; 2. Second transmission assembly; 3. Third transmission assembly; 4. Power unit; 41. Power output pulley; 5. Traveling device; 51. Traveling gearbox clutch pulley; 6. Cutting platform device; 7. Peeling device; 8. Chassis; 9. Intermediate wheel assembly; 11. First drive shaft; 111. First transmission device; 112. Second transmission device; 113. Third transmission device; 12. First bearing; 21. Second transmission shaft; 214. Fourth transmission device; 215. Fifth transmission device; 22. Second bearing; 31. Third transmission shaft; 316. Sixth transmission device; 317. Seventh transmission device; 318. Eighth transmission device; 32. Third bearing; 10. First transmission structure; 20. Second transmission structure; 30. Third transmission structure; 40. Fourth transmission structure; 100. First chain; 200. Second chain. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0043] In the description of this utility model, it should be understood that the terms "center", "side", "length", "width", "height", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "side", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0044] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0045] This utility model provides a transmission mechanism for a corn harvester. Figure 1 This is a structural schematic diagram of this embodiment. Figure 2 yes Figure 1 A top-view structural diagram, such as Figure 1 and Figure 2 As shown, it includes a first transmission assembly 1, a second transmission assembly 2, and a third transmission assembly 3.

[0046] The first transmission component 1 is connected to the power unit 4, the walking device 5 and the second transmission component 2 through the first transmission structure 10, the second transmission structure 20 and the third transmission structure 30 respectively.

[0047] The second transmission component 2 is connected to the third transmission component 3 via the fourth transmission structure 40;

[0048] The third transmission assembly 3 is connected to the cutting platform device 6 and the peeling device 7 via the fifth transmission structure and the sixth transmission structure, respectively.

[0049] The transmission mechanism of this corn harvester is sequentially connected by a first transmission assembly 1, a second transmission assembly 2, and a third transmission assembly 3. The first transmission assembly 1 is connected to the power unit 4 via a first transmission structure 10, and to the walking device 5 via a second transmission structure 20. The third transmission assembly 3 is connected to the header device 6 and the peeling device 7 via a fifth and a sixth transmission structure, respectively, forming a relatively simple transmission mechanism that uses the same power output source. This solves the power source problem for the three main parts of the corn harvester: walking, harvesting, and peeling. The device is low in cost, easy to maintain, adaptable, and highly reliable.

[0050] As an optional implementation, the first transmission assembly 1 includes at least a first transmission shaft 11 and a first transmission device 111, a second transmission device 112 and a third transmission device 113 connected to the first transmission shaft 11.

[0051] The first transmission device 111 is connected to the power device 4 via the first transmission structure 10; the second transmission device 112 is connected to the walking device 5 via the second transmission structure 20; and the third transmission device 113 is connected to the second transmission assembly 2 via the third transmission structure 30.

[0052] As an optional implementation, specifically, the first transmission assembly 1 further includes a first bearing 12, the first transmission device 111, the second transmission device 112, and the third transmission device 113 all use pulleys, and the first transmission structure 10, the second transmission structure 20, and the third transmission structure 30 all use transmission belts.

[0053] In actual production and use, the first transmission structure 10, the second transmission structure 20, the third transmission structure 30, the first transmission device 111, the second transmission device 112, and the third transmission device 113 can also be other existing transmission methods to meet the transmission requirements.

[0054] In this embodiment, preferably, the first transmission structure 10, the second transmission structure 20, and the third transmission structure 30 adopt transmission belts to fully realize the technical effects of low cost, no lubrication required, and easy maintenance of belt drives. More importantly, when using belt drives, overload slippage can be achieved, thus being able to cope with sudden load changes and adapt to harsh agricultural machinery operating environments.

[0055] The first transmission assembly 1 is connected to the chassis 8 of the corn harvester via the first bearing 12. The first transmission device 111 is connected to the power output pulley 41 of the power unit 4 via the first transmission structure 10. In this embodiment, the chassis 8 is a steel frame structure, the power unit 4 is an engine, the first transmission assembly 1 is installed at the lower rear of the chassis, and the power output pulley 41 is installed on the engine located at the upper rear of the chassis 8.

[0056] The second transmission device 112 is connected to the travel gearbox clutch pulley 51 of the travel device 5 through the second transmission structure 20. By setting the engine at the rear and the grain box in the middle, and the reasonable arrangement of each mechanism, the structural space of the corn harvester is effectively utilized while meeting the usage requirements. This solves the problems of complex structure, frequent failures and inconvenient maintenance and adjustment of the existing corn harvester power transmission mechanism.

[0057] As an optional implementation, the fourth transmission structure 40 includes a wheel assembly 9, a first chain 100, and a second chain 200.

[0058] The second transmission component 2 is connected to the intermediate wheel component 9 via the first chain 100; the intermediate wheel component 9 is connected to the third transmission component 3 via the second chain 200.

[0059] Specifically, the intermediate wheel assembly 9 is mounted on the chassis 8 or the peeling device 7 of the corn harvester.

[0060] As an optional implementation, the second transmission assembly 2 includes at least a second transmission shaft 21 and a fourth transmission device 214 and a fifth transmission device 215 connected to the second transmission shaft 21.

[0061] The fourth transmission device 214 is connected to the third transmission device 113 via the third transmission structure 30; the fifth transmission device 215 is connected to the intermediate wheel assembly 9 via the first chain 100.

[0062] Specifically, the second transmission assembly 2 also includes a second bearing 22, the fourth transmission device 214 uses a pulley, the fifth transmission device 215 uses a sprocket, and the second transmission assembly 2 is connected to the chassis 8 of the corn harvester through the second bearing 22.

[0063] As an optional implementation, the third transmission assembly 3 includes at least a third transmission shaft 31 and a sixth transmission device 316, a seventh transmission device 317 and an eighth transmission device 318 connected to the third transmission shaft 31.

[0064] Among them, the sixth transmission device 316 is connected to the intermediate wheel assembly 9 via the second chain 200; the seventh transmission device 317 is connected to the cutting table device 6 via the fifth transmission structure; and the eighth transmission device 318 is connected to the peeling device 7 via the sixth transmission structure.

[0065] Specifically, the third transmission assembly 3 also includes a third bearing 32, the sixth transmission device 316, the seventh transmission device 317 and the eighth transmission device 318 all use sprockets, and the fifth transmission structure and the sixth transmission structure both use chains.

[0066] The third transmission assembly 3 is connected to the peeling device 7 or the cutting platform device 6 via the third bearing 32; the seventh transmission device 317 is connected to the sprocket of the cutting platform device 6 via the fifth transmission structure; and the eighth transmission device 318 is connected to the sprocket of the peeling device 7 via the sixth transmission structure.

[0067] A corn harvester includes a transmission mechanism as described above. The transmission mechanism comprises a first transmission assembly 1, a second transmission assembly 2, and a third transmission assembly 3, which are sequentially connected. The first transmission assembly 1 is connected to a power unit 4 via a first transmission structure 10, and to a walking device 5 via a second transmission structure 20. The third transmission assembly 3 is connected to a header device 6 and a peeling device 7 via fifth and sixth transmission structures, respectively, forming a relatively simple transmission mechanism that uses a single power output source. This solves the power source problem for the three main parts of the corn harvester: walking, harvesting, and peeling. The device is low-cost, easy to maintain, adaptable, and highly reliable. This corn harvester, through the rational arrangement of its mechanisms, effectively utilizes the structural space of the harvester and effectively solves the problems of complex structures and inconvenient maintenance and adjustment in existing corn harvesters.

[0068] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A transmission mechanism for a corn harvester, characterized in that: It includes a first transmission assembly, a second transmission assembly, and a third transmission assembly, wherein: The first transmission assembly is connected to the power unit, the walking device, and the second transmission assembly via a first transmission structure, a second transmission structure, and a third transmission structure, respectively. The second transmission component is connected to the third transmission component via a fourth transmission structure; The third transmission component is connected to the cutting platform device and the peeling device via the fifth transmission structure and the sixth transmission structure, respectively.

2. The transmission mechanism of the corn harvester according to claim 1, characterized in that: The first transmission assembly includes at least a first transmission shaft and a first transmission device, a second transmission device, and a third transmission device connected to the first transmission shaft, wherein: The first transmission device is connected to the power device via the first transmission structure; The second transmission device is connected to the walking device via the second transmission structure; The third transmission device is connected to the second transmission component via the third transmission structure.

3. The transmission mechanism of the corn harvester according to claim 2, characterized in that: The first transmission assembly further includes a first bearing; the first transmission device, the second transmission device, and the third transmission device all use pulleys; the first transmission structure, the second transmission structure, and the third transmission structure all use transmission belts, wherein: The first transmission assembly is connected to the chassis of the corn harvester via a first bearing; The first transmission device is connected to the power output pulley of the power device via the first transmission structure; The second transmission device is connected to the travel gearbox clutch pulley of the travel device via the second transmission structure.

4. The transmission mechanism of the corn harvester according to claim 2 or 3, characterized in that: The fourth transmission structure includes a gear assembly, a first chain, and a second chain, wherein: The second transmission component is connected to the intermediate wheel component via the first chain; The intermediate wheel assembly is connected to the third transmission assembly via the second chain.

5. The transmission mechanism of the corn harvester according to claim 4, characterized in that: The second transmission assembly includes at least a second transmission shaft and a fourth transmission device and a fifth transmission device connected to the second transmission shaft, wherein: The fourth transmission device is connected to the third transmission device via the third transmission structure; The fifth transmission device is connected to the intermediate wheel assembly via the first chain.

6. The transmission mechanism of the corn harvester according to claim 5, characterized in that: The second transmission assembly further includes a second bearing, the fourth transmission device uses a pulley, and the fifth transmission device uses a sprocket, wherein: The second transmission assembly is connected to the chassis of the corn harvester via a second bearing.

7. The transmission mechanism of the corn harvester according to claim 5 or 6, characterized in that: The third transmission assembly includes at least a third transmission shaft and a sixth, a seventh, and an eighth transmission device connected to the third transmission shaft, wherein: The sixth transmission device is connected to the intermediate wheel assembly via the second chain; The seventh transmission device is connected to the cutting table device via the fifth transmission structure; The eighth transmission device is connected to the peeling device via the sixth transmission structure.

8. The transmission mechanism of the corn harvester according to claim 7, characterized in that: The third transmission assembly further includes a third bearing; the sixth, seventh, and eighth transmission devices all use sprockets; and the fifth and sixth transmission structures both use chains. The third transmission assembly is connected to the peeling device or the cutting table device via the third bearing; The seventh transmission device is connected to the sprocket drive of the cutting table device through the fifth transmission structure; The eighth transmission device is connected to the sprocket of the peeling device via the sixth transmission structure.

9. The transmission mechanism of the corn harvester according to claim 4, characterized in that: The sieve assembly is mounted on the chassis of the corn harvester or on the peeling device.

10. A corn harvester, characterized in that: The transmission mechanism of the corn harvester as described in any one of claims 1-9 is included.