Grass chopper rotary tiller gearbox

Abstract

The utility model discloses a kind of grass rotary tillage gearbox, its technical solution main point is, belong to power gear shift variable output field, including first shift shaft, the outer end of the first shift shaft has shaft one, the outer end of shaft one is equipped with gear one, the outer side of gear one is movably connected with gear two, the outer end of gear one is meshed with gear four and gear seven;By setting, shaft one input end connects engine, first shift shaft is stirred, can make the gear one of shaft one respectively with gear four and gear seven mesh, through the collaborative action of three sets of sliding tooth gear group, the switching of high speed required by grass and low speed high torsion required by rotary tillage is realized, so that the grass rotary tillage variable speed structure is not disassembled switching, the equipment adopts integrated design, with simple structure, convenient operation, low failure rate, it is easy to maintain, long service life The characteristics of, in need of replacement operation requirement, improve the replacement speed, ensure mechanical accuracy.

Description

Technical Field

[0001] This utility model relates to the field of power shift transmission output, and in particular to a rotary tillage gearbox for shredding grass. Background Technology

[0002] Mini tillers are powered by small diesel or gasoline engines and are characterized by their light weight, small size, and simple structure. They are widely used in plains, mountains, hills, dry land, orchards, etc. Mini tillers can move freely in the fields, making them convenient for users to use and store. They eliminate the trouble of large agricultural machinery being unable to enter mountainous fields, making them the best choice for farmers to replace manual labor.

[0003] Existing mini-tillers have unreasonable gearbox structure designs, mostly adopting a split design. When changing the needs of agricultural operations, a large number of parts need to be replaced. Due to the harsh working environment of mini-tillers, it is very cumbersome for farmers to replace parts. Moreover, due to a lack of skills, the replaced parts may not meet the required technical standards, causing wear and tear on parts, loose connections, corrosion and aging. As a result, the technical condition of the mini-tiller deteriorates, power decreases, fuel consumption increases, wear accelerates, and failures occur frequently. Utility Model Content

[0004] The above-mentioned technical objective of this utility model is achieved through the following technical solution: A rotary tillage gearbox for shredding grass includes a first shift shaft and a third gear. The outer end of the first shift shaft is movably connected to a first shaft. The outer end of the first shaft is equipped with a first gear. The outer side of the first gear is movably connected to a second gear. The outer end of the first gear is meshed with a fourth gear and a seventh gear. The outer end of the third gear is equipped with a connecting shaft. The inner end of the seventh gear is equipped with the third shaft.

[0005] By installing the first shift shaft and gear one, the replacement speed can be improved and the mechanical precision can be guaranteed when the operation needs to be changed.

[0006] Furthermore, the outer end of gear 2 is meshed with gear 5, the outer side of gear 5 is movably connected with gear 6, the outer end of gear 6 is meshed with gear 9, the outer end of gear 10 is meshed with connecting wheel 3, the inner end of connecting wheel 3 is fixedly connected with shaft 4, and the outer end of shaft 4 is movably connected with a third shift shaft.

[0007] Furthermore, a connecting wheel is fixedly connected to the outer end of the shaft four, a connecting wheel four is engaged with the outer end of the connecting wheel one, a connecting wheel two is movably connected to the outer side of the connecting wheel one, and a connecting wheel six is ​​engaged with the outer end of the connecting wheel two.

[0008] Furthermore, the connecting wheel two is also engaged with a driving wheel four, the outer side of the driving wheel four is movably connected to a driving wheel three, the inner end of the driving wheel three is connected to a shaft seven, the outer end of the driving wheel three is engaged with a connecting wheel six, and the inner end of the connecting wheel six is ​​fixedly connected to a shaft five.

[0009] Furthermore, a gear three is fixedly connected to the outer end of the connecting shaft, a gear eight is meshed with the outer end of the gear three, a shaft three is fixedly connected to the inner end of the gear eight, a gear seven is fixedly installed on the outer end of the shaft three, and a drive wheel two is meshed with the outer end of the gear seven.

[0010] Furthermore, the outer end of the second drive wheel is engaged with the fifth drive wheel, the inner end of the fifth drive wheel is fixedly mounted with the eighth shaft, the outer end of the eighth shaft is fixedly connected with the sixth drive wheel, the outer end of the sixth drive wheel is engaged with the first rotating wheel, the outer side of the sixth drive wheel is movably connected with the seventh drive wheel, the outer end of the seventh drive wheel is engaged with the second rotating wheel, and the inner end of the second rotating wheel is fixedly connected with the ninth shaft.

[0011] Furthermore, the inner end of the connecting wheel six is ​​fixedly connected to the shaft five, the outer end of the shaft five is fixedly connected to the connecting wheel five, and the outer end of the connecting wheel five is engaged with a chain.

[0012] Furthermore, a drive wheel is engaged with the inner wall of the other end of the chain, and a shaft is fixedly connected to the inner end of the drive wheel.

[0013] In summary, this utility model has the following beneficial effects: 1. By setting a first shift shaft and gear one, with the input end of shaft one connected to the engine, shifting the first shift shaft allows gear two to mesh with gear four and gear seven respectively. At this time, the various parts are driven. Through the coordinated action of three sets of sliding gear sets, the high speed required for shredding and the low speed and high torque required for rotary tillage are switched. This makes the shredding and rotary tillage transmission structure switchable without disassembly. The equipment adopts an integrated design, which has the characteristics of simple structure, convenient operation, low failure rate, convenient maintenance and upkeep, and long service life. When it is necessary to change the operation requirements, the change speed is improved and the mechanical precision is guaranteed. 2. By setting up connecting wheel one, connecting wheel one can mesh with connecting wheel four, and then cooperate with connecting wheel two to mesh with connecting wheel six. At this time, it is a double gear connecting wheel one and connecting wheel two. Under the action of the third shift shaft, it meshes with connecting wheel four, connecting wheel six and connecting wheel two, thus forming three gears, making the adjustment of the grass shredder rotary tiller gearbox structure more convenient. 3. By setting up connecting wheel two, connecting wheel two rotates under the transmission of shaft four and meshes with driving wheel four. Driving wheel four and driving wheel three are double sliding toothed wheels, which are sleeved on shaft seven as bridge toothed wheels. Connecting wheel one and connecting wheel four mesh with each other, making it more convenient for the structure to cooperate and change gears. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure in this embodiment; Figure 2 This is a schematic diagram of the front view of the six-axis solid structure in this embodiment; Figure 3 This is a schematic diagram of the overall three-dimensional structure in this embodiment; Figure 4 This is a structural schematic diagram of the rear view of axis seven in this embodiment.

[0015] In the diagram, 1 is the first shift shaft; 1011 is shaft one; 101 is gear one; 102 is gear two; 2. Second shift shaft; 201, connecting shaft; 202, gear three; 203, gear four; 204, gear five; 205. Gear Six; 3. Third Shift Shaft; 301. Shaft Three; 302. Gear Seven; 303. Gear Eight; 304. Gear Nine; 305. Gear Ten; 4. Shaft Four; 401. Connecting Wheel One; 402. Connecting Wheel Two; 403. Connecting wheel three; 5. Axle five; 501. Connecting wheel four; 502. Connecting wheel five; 503. Connecting wheel six; 6. Axle six; 601. Drive wheel one; 7. Axle seven; 701. Drive wheel two; 702. Drive wheel three; 703. Drive wheel four; 8. Axle eight; 801. Drive wheel five; 802. Drive wheel six; 803. Drive wheel seven; 9. Axle nine; 901. Rotating wheel one; 902. Rotating wheel two; 10. Chain. Detailed Implementation

[0016] The present invention will be further described in detail below with reference to the accompanying drawings.

[0017] Identical parts are indicated by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, while the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific part, respectively.

[0018] Reference Figure 1-4As shown, a preferred embodiment of the present invention is a rotary tillage gearbox for shredding grass, including a first shift shaft 1 and a third gear 202. The outer end of the first shift shaft 1 is connected to a first shaft 1011, the outer end of the first shaft 1011 is equipped with a first gear 101, the outer side of the first gear 101 is movably connected to a second gear 102, the outer end of the first gear 101 is meshed with a fourth gear 203 and a seventh gear 302, and the outer end of the third gear 202 is equipped with a connecting shaft 201.

[0019] Reference Figure 2-4 As shown, gear 204 is meshed with the outer end of gear 2102, gear 6205 is movably connected to the outer side of gear 5204, gear 9304 is meshed with the outer end of gear 6205, connecting wheel 3403 is meshed with the outer end of gear 103, shaft 44 is fixedly connected to the inner end of connecting wheel 3403, and third shift shaft 3 is movably connected to the outer end of shaft 44.

[0020] Reference Figure 2-4 As shown, the outer end of shaft 4 is fixedly connected to connecting wheel 401, the outer end of connecting wheel 401 is engaged with connecting wheel 501, the outer side of connecting wheel 401 is movably connected to connecting wheel 2 402, and the outer end of connecting wheel 2 402 is engaged with connecting wheel 6 503.

[0021] Reference Figure 2-4 As shown, the connecting wheel 402 is further engaged with the driving wheel 703, the outer side of the driving wheel 703 is movably connected to the driving wheel 702, the inner end of the driving wheel 702 is fixedly connected to the shaft 7, the outer end of the driving wheel 702 is engaged with the connecting wheel 503, and the inner end of the connecting wheel 503 is fixedly connected to the shaft 5.

[0022] Reference Figure 2-4 As shown, further, a gear 3 202 is fixedly connected to the outer end of the connecting shaft 201, a gear 7 303 is meshed with the outer end of the gear 3 202, a shaft 3 301 is fixedly connected to the inner end of the gear 7 303, a gear 6 302 is fixedly installed on the outer end of the shaft 3 301, and a drive wheel 2 701 is meshed with the outer end of the gear 6 302.

[0023] Reference Figure 1-4 As shown, further, the outer end of drive wheel 2 701 is meshed with drive wheel 5 801, the inner end of drive wheel 5 801 is fixedly mounted with shaft 8, the outer end of shaft 8 is fixedly connected with drive wheel 6 802, the outer end of drive wheel 6 802 is meshed with rotating wheel 1 901, the outer side of drive wheel 6 802 is connected with drive wheel 7 803, drive wheel 6 802 and drive wheel 7 803 are double gears, the outer end of drive wheel 7 803 is meshed with rotating wheel 2 902, and the inner end of rotating wheel 2 902 is fixedly connected with shaft 9 9.

[0024] Reference Figure 2-4 As shown, the inner end of the connecting wheel 503 is fixedly connected to the shaft 5, the outer end of the shaft 5 is fixedly connected to the connecting wheel 502, and the outer end of the connecting wheel 502 is engaged with the chain 10.

[0025] Reference Figure 2-4 As shown, the other end of the chain 10 is further connected to a drive wheel 601, and the inner end of the drive wheel 601 is fixedly connected to a shaft 6.

[0026] By installing the connecting wheel 502, the rotation drives the externally meshing chain 10, which in turn drives the drive wheel 601, making the drive wheel 601 and shaft 6 more convenient to drive. The shaft 6, which rotates under the drive of the chain 10 and the drive wheel 601, forms the walking output shaft, making the transmission of this grass-chopping rotary tillage transmission structure more convenient.

[0027] Specific implementation process: During rotary tillage and straw shredding operations, the input end of shaft 1 is connected to the engine. Moving the first shift shaft 1 allows gear 101 to mesh with gears 4 and 7 respectively. Connecting shaft 201 forms a connection structure outside gear 4 203. When gear 4 203 meshes with gear 101, connecting shaft 201 and gear 3 202 can easily mesh with externally meshing gear 8 303. Gear 8 303 drives the gear... When gear 7302 rotates, gear 7302 meshes with drive wheel 2 701 for transmission. Drive wheel 2 701 meshes with drive wheel 5 801. The rotating drive wheel 5 801 drives shaft 88. At this time, drive wheel 6 802 and drive wheel 7 803 rotate simultaneously. Drive wheel 6 802 and drive wheel 7 803 are double-geared drives. They can be shifted by the third shift shaft 3 to mesh with rotor 2 902 and rotor 1 901 respectively to form two gears, which meet the soil penetration depth of the rotary tiller blades for operation. When rotary tillage is performed, the linkage shifting mechanism drives shaft 1011, connecting shaft 201 and shaft 301. Connecting wheel 1 401 can mesh with connecting wheel 4 501, and then cooperate with connecting wheel 2 402 to mesh with connecting wheel 6 503. At this time, connecting wheel 1 401 and connecting wheel 2 402 are double gears. Under the action of the third shifting shaft 3, they mesh with connecting wheel 4 501, connecting wheel 6 503 and connecting wheel 2 402, thus forming three gears.

[0028] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A rotary tiller gearbox for shredding grass, characterized in that: Includes a first shift shaft (1) and a third gear (202). The outer end of the first shift shaft (1) is connected to a first shaft (1011). The outer end of the first shaft (1011) is equipped with a first gear (101). The outer side of the first gear (101) is movably connected to a second gear (102). The outer end of the first gear (101) is meshed with a fourth gear (203) and a seventh gear (302). The inner end of the third gear (202) is equipped with a connecting shaft (201). The inner end of the seventh gear (302) is equipped with a third shaft (301).

2. The rotary tiller gearbox for shredding grass according to claim 1, characterized in that: The outer end of gear two (102) is meshed with gear five (204), and the outer side of gear five (204) is connected with gear six (205). Gear six (205) and gear five (204) are double gears. The outer end of gear six (205) is meshed with gear nine (304), and the outer end of gear ten (305) is meshed with connecting wheel three (403). Gear nine (304) and gear ten (305) are double gears. The inner end of connecting wheel three (403) is fixedly connected with shaft four (4), and the outer end of shaft four (4) is movably connected with third shift shaft (3).

3. The rotary tillage gearbox for shredding grass according to claim 2, characterized in that: The outer end of the shaft four (4) is fixedly connected to the connecting wheel one (401), the outer end of the connecting wheel one (401) is meshed with the connecting wheel four (501), the outer side of the connecting wheel one (401) is movably connected to the connecting wheel two (402), the connecting wheel one (401) and the connecting wheel two (402) are double gears, and the outer end of the connecting wheel two (402) is meshed with the connecting wheel six (503).

4. The rotary tiller gearbox for shredding grass according to claim 3, characterized in that: The connecting wheel 2 (402) is also meshed with the driving wheel 4 (703). The outer side of the driving wheel 4 (703) is movably connected to the driving wheel 3 (702). The driving wheel 3 (702) and the driving wheel 4 (703) are double gears. The inner end of the driving wheel 3 (702) is rotatably connected to the shaft 7 (7). The outer end of the driving wheel 3 (702) is meshed with the connecting wheel 6 (503). The inner end of the connecting wheel 6 (503) is fixedly connected to the shaft 5 (5).

5. The rotary tiller gearbox for shredding grass according to claim 1, characterized in that: The outer end of the connecting shaft (201) is fixedly connected to a gear three (202), the outer end of the gear three (202) is meshed with a gear eight (303), the inner end of the gear eight (303) is fixedly connected to a shaft three (301), the outer end of the shaft three (301) is fixedly installed with a gear seven (302), and the outer end of the gear seven (302) is meshed with a drive wheel two (701).

6. The rotary tiller gearbox for shredding grass according to claim 5, characterized in that: The outer end of the second drive wheel (701) is engaged with the fifth drive wheel (801). The inner end of the fifth drive wheel (801) is fixedly mounted with the eighth shaft (8). The outer end of the eighth shaft (8) is fixedly connected with the sixth drive wheel (802). The outer end of the sixth drive wheel (802) is engaged with the first rotating wheel (901). The outer side of the sixth drive wheel (802) is movably connected with the seventh drive wheel (803). The outer end of the seventh drive wheel (803) is engaged with the second rotating wheel (902). The inner end of the second rotating wheel (902) is fixedly connected with the ninth shaft (9).

7. The rotary tiller gearbox for shredding grass according to claim 4, characterized in that: The inner end of the connecting wheel six (503) is fixedly connected to the shaft five (5), the outer end of the shaft five (5) is fixedly connected to the connecting wheel five (502), and the outer end of the connecting wheel five (502) is engaged with the chain (10).

8. The rotary tiller gearbox for shredding grass according to claim 7, characterized in that: The inner wall of the other end of the chain (10) is engaged with a drive wheel (601), and the inner end of the drive wheel (601) is fixedly connected to a shaft (6).

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