Transmission mechanism of cyperus esculentus harvester

Abstract

When the transmission mechanism of the cyperus esculentus harvester is used, power of a tractor can be transmitted to the first-stage three-shaft reversing transmission through the horizontal input shaft, and the first-stage three-shaft reversing transmission can transmit a part of power to the next stage through the first horizontal output shaft to drive other mechanisms. The first-stage three-shaft reversing transmission is transmitted to the second-stage three-shaft reversing transmission through a first vertical output shaft and a first vertical input shaft, and the second-stage three-shaft reversing transmission can drive a mesh belt mechanism of the cyperus esculentus harvester through a second horizontal output shaft. The second-stage three-shaft reversing transmission is transmitted to a third-stage vertical angle reversing transmission through a second vertical output shaft and a second vertical input shaft, and the third-stage vertical angle reversing transmission can drive a screen cleaning mechanism of the cyperus esculentus harvester through a third horizontal output shaft. The reliability of the transmission mechanism of the cyperus esculentus harvester can be guaranteed, the failure rate is reduced, the transmission efficiency is improved, and the maintenance difficulty during machine operation is reduced.

Description

Technical Field

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

[0002] Agricultural machinery refers to all kinds of machinery used in crop cultivation and animal husbandry, as well as in the initial processing and handling of agricultural and livestock products. Agricultural machinery includes agricultural power machinery, farmland construction machinery, soil tillage machinery, planting and fertilization machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, livestock machinery, and agricultural transportation machinery, etc.

[0003] Tiger nuts are a root tuber crop that grows at a depth of 15cm-20cm in sandy soil. During growth, the roots tiller into fluffy clumps about 20cm-30cm in diameter, with the roots and tiger nuts wrapped together. They are harvested using a tiger nut harvester. During harvesting, the tiger nut harvester needs to perform functions such as digging, sieving, separating grass and nuts, cleaning, conveying, removing impurities, and collecting seeds. When the tiger nut harvester is working, it only has one power input point, the power take-off shaft of the tractor, which drives the operation of multiple parts and mechanisms of the tiger nut harvester.

[0004] Existing tiger nut harvester transmission mechanisms, with the exception of a few speed changers, mostly use chain and belt mechanisms for transmission. Since tiger nut harvesters are dug from sandy soil, sand flies around during operation, making chain lubrication impossible. The chains and sprockets operate in a dusty, sandy environment, leading to frequent chain breakage and wear. The belts also experience increased wear due to sand entering between the belt and pulleys. Belt drives, in particular, suffer from elastic slippage, resulting in a non-constant transmission ratio. The difference in tension and deformation on both sides of the pulley creates elastic slippage, causing speed loss between the pulley and driven pulley. The belt repeatedly expands and contracts during operation, and the bending on the pulleys causes internal friction and power loss. Chain drives also have a non-constant transmission ratio, resulting in fluctuating and unstable chain speeds. At high speeds, they are prone to large tension and impact loads. When chain links extend, operation becomes unstable, and teeth skipping is common. They are particularly limited to transmissions between parallel shafts, and chain breakage can easily damage other machine parts.

[0005] As a result, the use of chain and sprocket, belt and pulley transmission structures leads to high failure rates, low transmission efficiency, and difficult maintenance in tiger nut harvesters, seriously affecting the machine's reliability and working efficiency.

[0006] Therefore, it is desirable to provide a transmission mechanism for a tiger nut harvester that can ensure the reliability of the transmission mechanism, reduce the failure rate, improve transmission efficiency, and reduce the difficulty of maintenance during machine operation. Utility Model Content

[0007] In order to overcome the shortcomings of the prior art, one objective of this utility model is to provide a transmission mechanism for a tiger nut harvester, which can ensure the reliability of the tiger nut harvester transmission mechanism, reduce the failure rate, improve transmission efficiency, reduce the maintenance difficulty during machine operation, and is suitable for large-scale promotion and application.

[0008] Another objective of this utility model is to provide a transmission mechanism for a tiger nut harvester, which is ingeniously designed, simple in structure, easy to manufacture, and low in manufacturing cost, making it suitable for large-scale promotion and application.

[0009] To achieve the above objectives, this utility model provides a transmission mechanism for a tiger nut harvester, characterized by comprising a single-stage three-shaft reversing gearbox, a two-stage three-shaft reversing gearbox, and a three-stage vertical angle reversing gearbox, wherein:

[0010] The single-stage three-axis reversing transmission has a horizontal input shaft, a first horizontal output shaft, and a first vertical output shaft. The horizontal input shaft is arranged in the left-right direction and is located on the left side of the single-stage three-axis reversing transmission. The first vertical output shaft is located at the top of the single-stage three-axis reversing transmission. The first horizontal output shaft is arranged in the left-right direction and is located on the right side of the single-stage three-axis reversing transmission. Alternatively, the first horizontal output shaft is arranged in the front-back direction and is located on the front or rear side of the single-stage three-axis reversing transmission.

[0011] The two-stage three-axis reversing transmission has a first vertical input shaft, a second horizontal output shaft, and a second vertical output shaft. The first vertical input shaft is located at the bottom of the two-stage three-axis reversing transmission, and the second vertical output shaft is located at the top of the two-stage three-axis reversing transmission. The second horizontal output shaft is arranged along the left-right direction and is located on the left or right side of the two-stage three-axis reversing transmission, or the second horizontal output shaft is arranged along the front-back direction and is located on the front or rear side of the two-stage three-axis reversing transmission.

[0012] The three-stage vertical angle reversing transmission has a second vertical input shaft and a third horizontal output shaft. The second vertical input shaft is located at the bottom of the three-stage vertical angle reversing transmission. The third horizontal output shaft is arranged along the left-right direction and is located on the left or right side of the three-stage vertical angle reversing transmission. Alternatively, the third horizontal output shaft is arranged along the front-back direction and is located on the front or rear side of the three-stage vertical angle reversing transmission.

[0013] The first vertical input shaft is located on and connected to the first vertical output shaft, and the second vertical input shaft is located on and connected to the second vertical output shaft.

[0014] Preferably, the transmission mechanism of the tiger nut harvester further includes a first transmission shaft, a second transmission shaft, and a third transmission shaft. The first transmission shaft is arranged along the left-right direction and is located to the left of the horizontal input shaft and connected to the horizontal input shaft. The second transmission shaft is arranged vertically and is located between the first vertical input shaft and the first vertical output shaft and is connected to the first vertical input shaft and the first vertical output shaft, respectively. The third transmission shaft is arranged vertically and is located between the second vertical input shaft and the second vertical output shaft and is connected to the second vertical input shaft and the second vertical output shaft, respectively.

[0015] More preferably, the first drive shaft, the second drive shaft, and the third drive shaft are all universal drive shafts.

[0016] Preferably, the transmission mechanism of the tiger nut harvester further includes a fourth transmission shaft, the first horizontal output shaft is located to the right of the first-stage three-axis reversing gearbox, the fourth transmission shaft is arranged along the left-right direction and is located to the right of the first horizontal output shaft and connected to the first horizontal output shaft.

[0017] Preferably, the second horizontal output shaft is located in front of the two-stage three-axis reversing transmission.

[0018] Preferably, the third horizontal output shaft is located to the right of the three-stage vertical angle reversing transmission.

[0019] Preferably, the gear ratios of the first-stage three-axis reversing transmission, the second-stage three-axis reversing transmission, and the third-stage vertical angle reversing transmission are all 1:1 to 10.

[0020] More preferably, the speed ratio of the horizontal input shaft to the first horizontal output shaft and the speed ratio of the horizontal input shaft to the first vertical output shaft of the single-stage three-axis reversing transmission are both 1:1.

[0021] More preferably, the speed ratio of the first vertical input shaft to the second horizontal output shaft of the two-stage three-axis reversing transmission is 1:3, and the speed ratio of the first vertical input shaft to the second vertical output shaft of the two-stage three-axis reversing transmission is 1:1.

[0022] More preferably, the speed ratio between the second vertical input shaft and the third horizontal output shaft of the three-stage vertical angle reversing transmission is 1:3.

[0023] The main beneficial effects of this utility model are as follows:

[0024] 1. In use, the transmission mechanism of the tiger nut harvester of this utility model allows the tractor's power to be transmitted to a first-stage three-shaft reversing gearbox via a horizontal input shaft. The first-stage three-shaft reversing gearbox can transmit a portion of the power to the next stage to drive other mechanisms via a first horizontal output shaft. The first-stage three-shaft reversing gearbox transmits power to a second-stage three-shaft reversing gearbox via a first vertical output shaft and a first vertical input shaft. The second-stage three-shaft reversing gearbox can drive the tiger nut harvester's mesh belt mechanism via a second horizontal output shaft. The second-stage three-shaft reversing gearbox transmits power to a third-stage vertical angle reversing gearbox via a second vertical output shaft and a second vertical input shaft. The third-stage vertical angle reversing gearbox can drive the tiger nut harvester's cleaning and screening mechanism via a third horizontal output shaft. Therefore, it can ensure the reliability of the tiger nut harvester's transmission mechanism, reduce the failure rate, improve transmission efficiency, reduce the difficulty of maintenance during machine operation, and is suitable for large-scale promotion and application.

[0025] 2. When the transmission mechanism of the tiger nut harvester of this utility model is in use, the power of the tractor can be transmitted to the first-stage three-shaft reversing gearbox through the horizontal input shaft. The first-stage three-shaft reversing gearbox can transmit part of the power to the next stage to drive other mechanisms through the first horizontal output shaft. The first-stage three-shaft reversing gearbox transmits power to the second-stage three-shaft reversing gearbox through the first vertical output shaft and the first vertical input shaft. The second-stage three-shaft reversing gearbox can drive the mesh belt mechanism of the tiger nut harvester through the second horizontal output shaft. The second-stage three-shaft reversing gearbox transmits power to the third-stage vertical angle reversing gearbox through the second vertical output shaft and the second vertical input shaft. The third-stage vertical angle reversing gearbox can drive the cleaning and screening mechanism of the tiger nut harvester through the third horizontal output shaft. Therefore, its design is ingenious, its structure is simple, its manufacturing is convenient, its manufacturing cost is low, and it is suitable for large-scale promotion and application.

[0026] These and other objects, features and advantages of this utility model will be fully apparent from the following detailed description and drawings, and can be achieved by the means, devices and combinations thereof specifically pointed out in the description of the utility model. Attached Figure Description

[0027] Figure 1 This is a three-dimensional schematic diagram of a specific embodiment of the transmission mechanism of the tiger nut harvester of this utility model.

[0028] (Symbol Explanation)

[0029] 1. Single-stage three-axis reversing gearbox; 11. Horizontal input shaft; 12. First horizontal output shaft; 13. First vertical output shaft;

[0030] 2. Two-stage three-axis reversing gearbox; 21. First vertical input shaft; 22. Second horizontal output shaft; 23. Second vertical output shaft;

[0031] 3. Three-stage vertical angle reversing gearbox; 31. Second vertical input shaft; 32. Third horizontal output shaft;

[0032] 4 First drive shaft; 5 Second drive shaft; 6 Third drive shaft; 7 Fourth drive shaft. Detailed Implementation

[0033] In order to better understand the technical content of this utility model, the following embodiments are provided for detailed description.

[0034] In the description of this utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] Please see Figure 1 As shown, in a specific embodiment of this utility model, the transmission mechanism of the tiger nut harvester includes a single-stage three-shaft reversing transmission 1, a two-stage three-shaft reversing transmission 2, and a three-stage vertical angle reversing transmission 3, wherein:

[0036] The first-stage three-axis reversing transmission 1 has a horizontal input shaft 11, a first horizontal output shaft 12 and a first vertical output shaft 13. The horizontal input shaft 11 is arranged in the left-right direction and is located on the left side of the first-stage three-axis reversing transmission 1. The first vertical output shaft 13 is located at the top of the first-stage three-axis reversing transmission 1. The first horizontal output shaft 12 is arranged in the left-right direction and is located on the right side of the first-stage three-axis reversing transmission 1. Alternatively, the first horizontal output shaft 12 is arranged in the front-back direction and is located on the front or rear side of the first-stage three-axis reversing transmission 1.

[0037] The two-stage three-axis reversing transmission 2 has a first vertical input shaft 21, a second horizontal output shaft 22, and a second vertical output shaft 23. The first vertical input shaft 21 is located at the bottom of the two-stage three-axis reversing transmission 2, and the second vertical output shaft 23 is located at the top of the two-stage three-axis reversing transmission 2. The second horizontal output shaft 22 is arranged along the left-right direction and is located on the left or right side of the two-stage three-axis reversing transmission 2, or the second horizontal output shaft 22 is arranged along the front-back direction and is located on the front or rear side of the two-stage three-axis reversing transmission 2.

[0038] The three-stage vertical angle reversing transmission 3 has a second vertical input shaft 31 and a third horizontal output shaft 32. The second vertical input shaft 31 is located at the bottom of the three-stage vertical angle reversing transmission 3. The third horizontal output shaft 32 is arranged along the left-right direction and is located on the left or right side of the three-stage vertical angle reversing transmission 3. Alternatively, the third horizontal output shaft 32 is arranged along the front-back direction and is located on the front or rear side of the three-stage vertical angle reversing transmission 3.

[0039] The first vertical input shaft 21 is located on and connected to the first vertical output shaft 13, and the second vertical input shaft 31 is located on and connected to the second vertical output shaft 23.

[0040] The transmission mechanism of the tiger nut harvester may also include any other suitable components; please refer to [link / reference]. Figure 1 As shown, in a specific embodiment of this utility model, the transmission mechanism of the tiger nut harvester further includes a first transmission shaft 4, a second transmission shaft 5, and a third transmission shaft 6. The first transmission shaft 4 is arranged along the left-right direction and is located to the left of the horizontal input shaft 11 and connected to the horizontal input shaft 11. The second transmission shaft 5 is arranged vertically and is located between the first vertical input shaft 21 and the first vertical output shaft 13 and is connected to the first vertical input shaft 21 and the first vertical output shaft 13 respectively. The third transmission shaft 6 is arranged vertically and is located between the second vertical input shaft 31 and the second vertical output shaft 23 and is connected to the second vertical input shaft 31 and the second vertical output shaft 23 respectively.

[0041] The first drive shaft 4, the second drive shaft 5, and the third drive shaft 6 can be any suitable drive shaft. In a specific embodiment of this utility model, the first drive shaft 4, the second drive shaft 5, and the third drive shaft 6 are all universal drive shafts.

[0042] The transmission mechanism of the tiger nut harvester may also include any other suitable components; please refer to [link / reference]. Figure 1 As shown, in a specific embodiment of the present invention, the transmission mechanism of the tiger nut harvester further includes a fourth transmission shaft 7. The first horizontal output shaft 12 is located on the right side of the first-stage three-axis reversing transmission 1. The fourth transmission shaft 7 is arranged along the left-right direction and is located on the right side of the first horizontal output shaft 12 and connected to the first horizontal output shaft 12.

[0043] The fourth drive shaft 7 can be any suitable drive shaft. In one specific embodiment of this utility model, the fourth drive shaft 7 is a universal drive shaft.

[0044] The second horizontal output shaft 22 can be located on any suitable side of the two-stage three-axis reversing transmission 2, see [link to relevant documentation]. Figure 1 As shown, in a specific embodiment of this utility model, the second horizontal output shaft 22 is located on the front side of the two-stage three-axis reversing transmission 2.

[0045] The third horizontal output shaft 32 can be located on any suitable side of the three-stage vertical angle commutation transmission 3. (See also...) Figure 1 As shown, in a specific embodiment of this utility model, the third horizontal output shaft 32 is located to the right of the three-stage vertical angle reversing transmission 3.

[0046] The gear ratios of the first-stage three-axis reversing transmission 1, the second-stage three-axis reversing transmission 2, and the third-stage vertical angle reversing transmission 3 can be determined as needed. In a specific embodiment of this utility model, the gear ratios of the first-stage three-axis reversing transmission 1, the second-stage three-axis reversing transmission 2, and the third-stage vertical angle reversing transmission 3 are all 1:1 to 10.

[0047] The speed ratios of the horizontal input shaft 11 and the first horizontal output shaft 12, and the speed ratios of the horizontal input shaft 11 and the first vertical output shaft 13 of the first-stage three-axis reversing transmission 1 can be determined as needed. In a specific embodiment of this utility model, the speed ratios of the horizontal input shaft 11 and the first horizontal output shaft 12, and the speed ratios of the horizontal input shaft 11 and the first vertical output shaft 13 of the first-stage three-axis reversing transmission 1 are both 1:1.

[0048] The speed ratios of the first vertical input shaft 21 and the second horizontal output shaft 22, and the speed ratios of the first vertical input shaft 21 and the second vertical output shaft 23 of the two-stage three-axis reversing transmission 2 can be determined as needed. In a specific embodiment of this utility model, the speed ratio of the first vertical input shaft 21 and the second horizontal output shaft 22 of the two-stage three-axis reversing transmission 2 is 1:3, and the speed ratio of the first vertical input shaft 21 and the second vertical output shaft 23 of the two-stage three-axis reversing transmission 2 is 1:1. With the above settings, the rotational speed of the second horizontal output shaft 22 of the two-stage three-axis reversing transmission 2 is higher than the rotational speed of the first vertical input shaft 21, and the rotational speed of the second vertical output shaft 23 of the two-stage three-axis reversing transmission 2 is equal to the rotational speed of the first vertical input shaft 21, i.e., the rotational speed remains constant.

[0049] The speed ratio between the second vertical input shaft 31 and the third horizontal output shaft 32 of the three-stage vertical angle reversing transmission 3 can be determined as needed. In a specific embodiment of this invention, the speed ratio between the second vertical input shaft 31 and the third horizontal output shaft 32 of the three-stage vertical angle reversing transmission 3 is 1:3. With this configuration, the rotational speed of the third horizontal output shaft 32 of the three-stage vertical angle reversing transmission 3 is higher than the rotational speed of the second vertical input shaft 31.

[0050] In use, the horizontal input shaft 11 of the first-stage three-shaft reversing transmission 1 of this invention is connected to a power source, such as a tractor; the second horizontal output shaft 22 of the second-stage three-shaft reversing transmission 2 of this invention is connected to the mesh belt mechanism of the tiger nut harvester; and the third horizontal output shaft 32 of the third-stage vertical angle reversing transmission 3 of this invention is connected to the cleaning and screening mechanism of the tiger nut harvester. Power from the tractor is then transmitted to the first-stage three-shaft reversing transmission 1 through the horizontal input shaft 11. The first-stage three-shaft reversing transmission 1 then transmits power to the first horizontal output shaft 12... Part of the power is transmitted to the next stage to drive other mechanisms. The first-stage three-axis reversing transmission 1 transmits power to the second-stage three-axis reversing transmission 2 through the first vertical output shaft 13 and the first vertical input shaft 21. The second-stage three-axis reversing transmission 2 drives the mesh belt mechanism of the tiger nut harvester through the second horizontal output shaft 22. The second-stage three-axis reversing transmission 2 transmits power to the third-stage vertical angle reversing transmission 3 through the second vertical output shaft 23 and the second vertical input shaft 31. The third-stage vertical angle reversing transmission 3 drives the cleaning and screening mechanism of the tiger nut harvester through the third horizontal output shaft 32.

[0051] Therefore, the three-stage three-axis reversing gearbox, the two-stage three-axis reversing gearbox, and the three-stage vertical angle reversing gearbox of the tiger nut harvester of this utility model not only have mechanical transmission reversing function, but also have speed change function at the input and output ends. Through the above-mentioned transmission mechanism, the chain and belt transmission mechanism of the traditional tiger nut harvester is replaced, which ensures the reliability of the tiger nut harvester transmission mechanism, reduces the failure rate, improves the transmission efficiency, and reduces the maintenance difficulty during machine operation, etc.

[0052] In summary, the transmission mechanism of this utility model for a tiger nut harvester can ensure the reliability of the transmission mechanism, reduce the failure rate, improve transmission efficiency, reduce the maintenance difficulty during machine operation, and is ingeniously designed, simple in structure, easy to manufacture, and low in manufacturing cost, making it suitable for large-scale promotion and application.

[0053] Therefore, it is evident that the objective of this utility model has been fully and effectively achieved. The function and structural principles of this utility model have been demonstrated and explained in the embodiments. Without departing from the stated principles, any modifications can be made to the implementation methods. Therefore, this utility model includes all modified embodiments based on the spirit and scope of the claims.

Claims

1. A drive mechanism for a chufa harvester, characterized in that It includes a single-stage three-axis reversing transmission, a two-stage three-axis reversing transmission, and a three-stage vertical angle reversing transmission, wherein: The single-stage three-axis reversing transmission has a horizontal input shaft, a first horizontal output shaft, and a first vertical output shaft. The horizontal input shaft is arranged in the left-right direction and is located on the left side of the single-stage three-axis reversing transmission. The first vertical output shaft is located at the top of the single-stage three-axis reversing transmission. The first horizontal output shaft is arranged in the left-right direction and is located on the right side of the single-stage three-axis reversing transmission. Alternatively, the first horizontal output shaft is arranged in the front-back direction and is located on the front or rear side of the single-stage three-axis reversing transmission. The two-stage three-axis reversing transmission has a first vertical input shaft, a second horizontal output shaft, and a second vertical output shaft. The first vertical input shaft is located at the bottom of the two-stage three-axis reversing transmission, and the second vertical output shaft is located at the top of the two-stage three-axis reversing transmission. The second horizontal output shaft is arranged along the left-right direction and is located on the left or right side of the two-stage three-axis reversing transmission, or the second horizontal output shaft is arranged along the front-back direction and is located on the front or rear side of the two-stage three-axis reversing transmission. The three-stage vertical angle reversing transmission has a second vertical input shaft and a third horizontal output shaft. The second vertical input shaft is located at the bottom of the three-stage vertical angle reversing transmission. The third horizontal output shaft is arranged along the left-right direction and is located on the left or right side of the three-stage vertical angle reversing transmission. Alternatively, the third horizontal output shaft is arranged along the front-back direction and is located on the front or rear side of the three-stage vertical angle reversing transmission. The first vertical input shaft is located on and connected to the first vertical output shaft, and the second vertical input shaft is located on and connected to the second vertical output shaft.

2. The chufa harvester transmission mechanism according to claim 1, characterized in that, The transmission mechanism of the tiger nut harvester further includes a first transmission shaft, a second transmission shaft, and a third transmission shaft. The first transmission shaft is arranged along the left-right direction and is located to the left of the horizontal input shaft and connected to the horizontal input shaft. The second transmission shaft is arranged vertically and is located between the first vertical input shaft and the first vertical output shaft and is connected to the first vertical input shaft and the first vertical output shaft respectively. The third transmission shaft is arranged vertically and is located between the second vertical input shaft and the second vertical output shaft and is connected to the second vertical input shaft and the second vertical output shaft respectively.

3. The Cyperus esculentus harvester transmission mechanism as claimed in claim 2, wherein, The first drive shaft, the second drive shaft, and the third drive shaft are all universal drive shafts.

4. The chufa harvester transmission mechanism according to claim 1, characterized in that, The transmission mechanism of the tiger nut harvester also includes a fourth transmission shaft. The first horizontal output shaft is located to the right of the first-stage three-axis reversing gearbox. The fourth transmission shaft is arranged along the left-right direction and is located to the right of the first horizontal output shaft and connected to the first horizontal output shaft.

5. The chufa harvester transmission mechanism according to claim 1, characterized in that, The second horizontal output shaft is located on the front side of the two-stage three-axis reversing transmission.

6. The chufa harvester transmission mechanism according to claim 1, characterized in that, The third horizontal output shaft is located to the right of the three-stage vertical angle reversing transmission.

7. The Cyperus esculentus harvester transmission mechanism as claimed in claim 1, wherein, The gear ratios of the first-stage three-axis reversing transmission, the second-stage three-axis reversing transmission, and the third-stage vertical angle reversing transmission are all 1:1 to 10.

8. The Cyperus esculentus harvester transmission mechanism as claimed in claim 7, wherein, The speed ratio between the horizontal input shaft and the first horizontal output shaft of the first-stage three-axis reversing transmission, as well as the speed ratio between the horizontal input shaft and the first vertical output shaft of the first-stage three-axis reversing transmission, are both 1:

1.

9. The transmission mechanism of the tiger nut harvester as described in claim 7, characterized in that, The speed ratio of the first vertical input shaft to the second horizontal output shaft of the two-stage three-axis reversing transmission is 1:3, and the speed ratio of the first vertical input shaft to the second vertical output shaft of the two-stage three-axis reversing transmission is 1:

1.

10. The Cyperus esculentus harvester transmission mechanism as claimed in claim 7, wherein, The speed ratio between the second vertical input shaft and the third horizontal output shaft of the three-stage vertical angle reversing transmission is 1:3.

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