Transmission structure of corn harvester
By designing the transmission structure of the corn harvester and utilizing the engine power output assembly and universal joint drive shaft, the internal drive connection of the corn harvester is simplified, the reliability of the equipment is improved and the maintenance cost is reduced.
Patent Information
- Application Number
- CN202422835467.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-20
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-11-20
AI Technical Summary
The internal drive connection structure of existing corn harvesters is complex, easily damaged, and has high maintenance costs.
A transmission structure for a corn harvester was designed. The first transmission box was connected to the engine power output assembly to drive the returner, harvesting table, peeler and grain cleaning part respectively. The universal joint drive shaft and transmission chain were used to achieve efficient drive of each part.
The internal transmission structure is simplified, and the equipment failure rate and maintenance cost are reduced.
Smart Images

Figure CN223437436U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to corn harvester technical field, concretely is a corn harvester transmission structure. BACKGROUND
[0002] When corn matures or approaches maturity, according to the agronomic requirements, the operation of corn straw harvesting is completed by the mechanical agricultural implement. The existing corn harvester generally has harvesting, lifting, peeling, vibration and other parts, and the driving structure between the parts in the equipment is complex, the damage rate is high during use, and the maintenance cost is high.
[0003] Therefore, the corn harvester transmission structure is provided, which solves the problems of complex internal driving connection structure of the harvester in the prior art and easy damage. SUMMARY
[0004] To solve the above problems, the utility model provides a corn harvester transmission structure.
[0005] The utility model solves technical scheme that it adopts: a corn harvester transmission structure, including engine power output assembly, the output end of engine power output assembly is connected with first transmission case, two output ends of first transmission case are connected with still field machine part and second transmission case respectively, second transmission case is connected with cutting platform part, secondary lifting part and peeling machine part respectively, and power output main transmission assembly is connected between first transmission case and second transmission case, and kernel cleaning part is connected with power output main transmission assembly.
[0006] As optimization, the output end of engine power output assembly is connected with the input end of first transmission case through first transmission belt;
[0007] The power output main transmission assembly includes a first universal transmission shaft, a first output sprocket is arranged on the first universal transmission shaft, and the first output sprocket is connected with the kernel cleaning part.
[0008] As optimization, the cutting platform part includes a cutting platform transmission case assembly, the peeling machine includes a peeling machine power distribution case assembly and a peeling machine power transmission case assembly, and the secondary lifting part includes a secondary lifting shaking connecting rod assembly;
[0009] The second transmission case is connected with the second universal transmission shaft between the cutting platform transmission case assembly, the second transmission case is connected with the third universal transmission shaft between the peeling machine power transmission case assembly, and the second transmission case is connected with the transmission chain between the peeling machine power distribution case assembly.
[0010] As optimization, the still field machine includes a still field machine transmission case, and the fourth universal transmission shaft is connected between the first transmission case and the still field machine transmission case.
[0011] As optimization, the grain cleaning part comprises a grain cleaning fan assembly and a grain recovery tank, the grain recovery tank is connected with the grain cleaning fan assembly, a transmission shaft of the grain cleaning fan assembly is provided with a connecting sprocket, and the connecting sprocket is connected with the first output sprocket.
[0012] The corn harvester transmission structure has the following advantages:
[0013] The application outputs power to the first transmission box through the engine, and outputs power to the front and rear sides of the harvester through the first transmission box, the internal transmission structure of the device is simple, each functional part can be efficiently driven, the failure rate of the equipment is effectively reduced, and the maintenance cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0014] ATTACHED Figure 1 It is a side view of the shaft of the utility model.
[0015] ATTACHED Figure 2 It is a front view of the utility model.
[0016] Among them, 1, engine power output assembly, 2, first transmission box, 3, second transmission box, 4, first universal transmission shaft, 5, first output sprocket, 6, header transmission box, 7, peeling machine power distribution box assembly, 8, peeling machine power transmission box assembly, 9, secondary lifting and shaking connecting rod assembly, 10, second universal transmission shaft, 11, third universal transmission shaft, 12, still field machine transmission box, 13, fourth universal transmission shaft, 14, grain cleaning fan assembly, 15, grain recovery tank, 16, connecting sprocket. DETAILED DESCRIPTION
[0017] As Figures 1-2 shown, a corn harvester transmission structure comprises an engine power output assembly 1, an output end of the engine power output assembly 1 is connected with a first transmission box 2, two output ends of the first transmission box 2 are respectively connected with a still field machine part and a second transmission box 3, the second transmission box 3 is respectively connected with a header part, a secondary lifting part and a peeling machine part, a power output main transmission assembly is connected between the first transmission box 2 and the second transmission box 3, and a grain cleaning part is connected with the power output main transmission assembly.
[0018] The second transmission box 3 and the grain cleaning part are connected through a transmission chain, the second transmission box 3 and the header transmission box 6 are connected through a universal transmission shaft, and the second transmission box 3 and the peeling machine power transmission box assembly 8 are connected through a universal transmission shaft.
[0019] As Figure 1 shown, a first transmission belt is connected between the output end of the engine power output assembly 1 and the input end of the first transmission box 2.
[0020] The power output main transmission assembly comprises a first universal transmission shaft 4, and a first output sprocket 5 is arranged on the first universal transmission shaft 4, and the first output sprocket 5 is connected with the grain cleaning part.
[0021] As shown in Figure 1 , 2 The cutting platform part comprises a cutting platform transmission box 6 assembly, the peeling machine comprises a peeling machine power transmission box assembly 7 and a peeling machine power transmission box assembly 8, and the secondary lifting part comprises a secondary lifting and shaking connecting rod assembly 9.
[0022] The second transmission box 3 is connected with the cutting platform transmission box 6 assembly through a second universal transmission shaft 10, and the second transmission box 3 is connected with the peeling machine power transmission box assembly 8 through a third universal transmission shaft 11, and the second transmission box 3 is connected with the peeling machine power transmission box assembly 7 through a transmission chain.
[0023] As shown in Figure 1 The residue machine comprises a residue machine transmission box 12, and the first transmission box 2 is connected with the residue machine transmission box 12 through a fourth universal transmission shaft 13.
[0024] As shown in Figure 1 The grain cleaning part comprises a grain cleaning fan assembly 14 and a grain recovery box 15, the grain recovery box 15 is connected with the grain cleaning fan assembly 14, a transmission shaft of the grain cleaning fan assembly 14 is provided with a connecting sprocket 16, and the connecting sprocket 16 is connected with the first output sprocket 5.
[0025] In specific use, the engine power output assembly 1 is connected with the first transmission box 2 through a transmission belt;
[0026] The first transmission box 2 is connected with the second transmission box 3 through the first universal transmission shaft 4.
[0027] The secondary lifting and shaking connecting rod assembly 9 is used for connecting the lifting part, a second output sprocket is arranged at an output end of the connection between the second transmission box 3 and the secondary lifting and shaking connecting rod, and the second output sprocket is connected with the peeling machine power transmission box assembly 7 through a transmission chain.
[0028] The other output end of the first transmission box 2 is connected with the residue machine transmission box 12 through the third universal transmission shaft 11.
[0029] The above specific embodiments are only specific cases of the present application, and the patent protection scope of the present application includes but is not limited to the product forms and styles of the above specific embodiments. Any appropriate changes or modifications made by any person skilled in the corresponding technical field to the corn harvester transmission structure according to the claims of the present application shall fall within the patent protection scope of the present application.
Claims
1. A transmission structure for a corn harvester, characterized in that: The invention comprises an engine power output assembly (1), wherein the output end of the engine power output assembly (1) is connected to a first transmission box (2), the two output ends of the first transmission box (2) are respectively connected to a field return machine part and a second transmission box (3), the second transmission box (3) is respectively connected to a cutting table part, a secondary lifting part and a peeling machine part, a power output main transmission assembly is connected between the first transmission box (2) and the second transmission box (3), and the power output main transmission assembly is connected to a grain cleaning part.
2. The transmission structure of a corn harvester according to claim 1, characterized in that: A first transmission belt is connected between the output end of the engine power output assembly (1) and the input end of the first transmission box (2); The power output main transmission assembly comprises a first universal joint transmission shaft (4), a first output sprocket (5) is provided on the first universal joint transmission shaft (4), and the first output sprocket (5) is connected to the grain cleaning part.
3. The transmission structure of a corn harvester according to claim 1, characterized in that: The cutting platform part includes a cutting platform transmission box (6) assembly, the peeling machine includes a peeling machine power transfer box assembly (7) and a peeling machine power transmission box assembly (8), and the secondary lifting part includes a secondary lifting shaking connecting rod assembly (9); A second universal joint transmission shaft (10) is connected between the second transmission box (3) and the cutting platform transmission box (6) assembly, a third universal joint transmission shaft (11) is connected between the second transmission box (3) and the peeling machine power transmission box assembly (8), and a transmission chain is connected between the second transmission box (3) and the peeling machine power transfer box assembly (7).
4. The transmission structure of a corn harvester according to claim 1, characterized in that: The field return machine comprises a field return machine transmission box (12), and a fourth universal transmission shaft (13) is connected between the first transmission box (2) and the field return machine transmission box (12).
5. The transmission structure of a corn harvester according to claim 2, characterized in that: The grain cleaning part comprises a grain cleaning fan assembly (14) and a grain recovery box (15), wherein the grain recovery box (15) is connected to the grain cleaning fan assembly (14), and a transmission shaft of the grain cleaning fan assembly (14) is provided with a connecting sprocket (16), and the connecting sprocket (16) is connected to the first output sprocket (5).