Power speed control system for field management machine

Abstract

The utility model relates to a power speed control system for a field management machine, which comprises a power transmission shaft and a power output shaft, the power transmission shaft is provided with a power combination tooth assembly, the power combination tooth assembly can be driven to rotate, the power output shaft is coaxially provided with a first power output tooth, and the first power output tooth is provided with a second power output tooth. The first power output teeth can be driven to rotate to drive the power output shaft to rotate synchronously, the power output shaft is provided with a power turning tooth assembly and a power transmission tooth assembly which can rotate relative to the power output shaft, the power combination tooth assembly can drive the power turning tooth assembly or the power transmission tooth assembly to rotate, and the power output shaft is provided with a first output end. The power transmission tooth assembly is provided with a second output end. The power combination tooth assembly is operated to drive the power turning tooth assembly or the power transmission tooth assembly to rotate, so that the power speed change system is provided with two output ends, one output end can rotate forwards and backwards, the gearbox is compact in structure, the needed size is small, and the transmission box is simple in structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gearbox especially relates to a power transmission system for rural management machine. BACKGROUND

[0002] The power source transmits the power after the change through the power output shaft through the gearbox, and since the power source generally does not have the function of forward and reverse rotation, the transmission box is needed to reverse the rotation direction of the power output shaft, thereby meeting the diversified needs.

[0003] However, the power structure of the existing gearbox needs to increase additional gears and shafts and corresponding shift mechanisms to realize the above functions and reverse rotation, needs to separately set up a reverse shaft for reverse rotation, increases the complexity of the transmission box, leads to the oversize of the transmission box, is not conducive to operation and later maintenance, and the manufacturing cost is relatively high.

[0004] Therefore, an urgent need exists for a power transmission system for rural management machine, which has two output ends, and one output end can be forward and reverse, so that the gearbox structure is compact, the required volume is small, and the transmission box structure is simple. SUMMARY

[0005] Therefore, the utility model provides a power transmission system for rural management machine, which has two output ends, and one output end can be forward and reverse, so that the gearbox structure is compact, the required volume is small, and the transmission box structure is simple.

[0006] The utility model provides a power transmission system for rural management machine adopts the following technical scheme:

[0007] A power transmission system for rural management machine, comprising a power transmission shaft and a power output shaft, the power transmission shaft is provided with a power combination gear assembly, the power combination gear assembly can be driven to rotate, the power output shaft is coaxially provided with a power output gear one, the power output gear one can be driven to rotate to drive the power output shaft to rotate synchronously, the power output shaft is provided with a power direction changing gear assembly and a power transmission gear assembly which can rotate relative to the power output shaft, the power combination gear assembly can drive the power direction changing gear assembly or the power transmission gear assembly to rotate, the power output shaft has an output end one, and the power transmission gear assembly has an output end two.

[0008] Optionally, the power transmission gear assembly comprises a power connection gear part and a power output gear part arranged in the axial direction, the power connection gear part is used for receiving the power of the power transmission shaft, and the power output gear part has the output end two.

[0009] Optionally, the power combination gear assembly comprises a plurality of power transmission gears arranged along the axial direction of the power transmission shaft and having different diameters.

[0010] Optionally, the power transmission gears are arranged in two, and the two power transmission gears are driven to rotate respectively.

[0011] Optionally, the power direction changing gear assembly comprises a first gear part and a second gear part, the first gear part is engaged with the power input gear assembly, and the second gear part is engaged with one of the power transmission gears.

[0012] Optionally, the power transmission shaft comprises a first power transmission shaft and a second power transmission shaft, the power output shaft is a first power output shaft, and the power transmission system further comprises a second power output shaft configured to receive power from the output end of the second power transmission gear.

[0013] The power transmission gears are arranged on the second power transmission shaft, the power combination gear assembly comprises power combination gears arranged on the first power transmission shaft, the power combination gears are arranged along the axial direction of the first power transmission shaft and have different diameters, the power combination gears are driven to rotate, and the power combination gears are configured to transmit power to the first power output shaft.

[0014] Optionally, the power direction changing gear assembly comprises a first gear part and a second gear part, the first gear part is engaged with the power input gear assembly, and the second gear part is engaged with one of the power transmission gears.

[0015] Optionally, the second power transmission shaft is coaxially fixed with a power transmission gear assembly, and the power transmission gear assembly is engaged with the power transmission gear assembly.

[0016] In summary, the power transmission system has two output ends, and one of the output ends can rotate in forward and reverse directions, so that the gear box structure is compact, the required volume is small, and the transmission box structure is simple. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can obtain other drawings according to these drawings without creating creative labor.

[0018] Figure 1 It is the overall structure schematic diagram of the embodiment of the utility model;

[0019] Figure 2It is part structure schematic of embodiment of the utility model Figure One ;

[0020] Figure 3 It is part structure schematic of embodiment of the utility model Figure Two ;

[0021] Figure 4 It is axle expansion diagram of gearbox of embodiment of the utility model.

[0022] Mark explanation: 1, power input shaft, 2, power transmission shaft one, 3, power transmission shaft two, 4, power output shaft one, 5, power output shaft two, 6, power input tooth one, 7, power input tooth two, 8, combination tooth, 9, power change speed tooth one, 10, power change speed tooth two, 11, power change direction tooth, 12, power combination tooth, 13, power output tooth one, 14, power transmission tooth, 15, power output tooth two, 16, power connection tooth, 17, power transmission tooth assembly, 18, gearbox, 19, cutter output shaft, 20, walking output shaft, 21, power input tooth assembly one. Specific embodiments

[0023] The following will be described by specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. The present application can also be implemented or applied by different specific embodiments, and various modifications or changes can be made based on different views and applications without departing from the spirit of the present application.

[0024] The following will be described by specific examples, and those skilled in the art can easily understand other advantages and effects of the present application from the disclosure. The present application can also be implemented or applied by different specific embodiments, and various modifications or changes can be made based on different views and applications without departing from the spirit of the present application. Figures 1-4 The utility model is further explained in detail.

[0025] Embodiments of the utility model disclose a power change speed system for a rural management machine.

[0026] Referring to Figures 1-4 , a power change speed system for a rural management machine includes a power transmission shaft and a power output shaft, the power transmission shaft is provided with a power combination tooth piece, the power combination tooth piece can be driven to rotate, the power output shaft is coaxially provided with a power output tooth one 13, the power output tooth one 13 can be driven to rotate to drive the power output shaft to rotate synchronously, the power output shaft is provided with a power change direction tooth 11 piece and a power transmission tooth assembly 17 that can rotate relative to the power output shaft, the power combination tooth piece can drive the power change direction tooth 11 piece or the power transmission tooth assembly 17 to rotate, the power output shaft has an output end one, and the power transmission tooth assembly 17 has an output end two. By driving the power change direction tooth 11 piece or the power transmission tooth assembly 17 to rotate through the power combination tooth piece, the power change speed system has two output ends, and one output end can be forward or reverse, so that the gearbox 18 is compact in structure, small in required volume and simple in transmission box structure.

[0027] In the embodiment, the power transmission gear assembly 17 comprises power connection gears arranged along the axial direction of the power transmission shaft and power output gears having two output ends.

[0028] In the embodiment, the power connection gears comprise power change gears arranged along the axial direction of the power transmission shaft and having different diameters. Specifically, the power change gears are arranged in two, including power change gear one 9 and power change gear two 10, which can be driven to rotate respectively.

[0029] In the embodiment, the power change gear 11 has gear one and gear two, which are connection gears and change gears respectively. The connection gears can be engaged with the power input gear assembly, and the change gears can be engaged with one of the power connection gears.

[0030] In the embodiment, the power transmission shaft comprises power transmission shaft one 2 and power transmission shaft two 3; the power output shaft is power output shaft one 4, and further comprises power output shaft two 5 for receiving the power from the output end two of the power output gears.

[0031] The power change gears are arranged on the power transmission shaft two 3, and the power connection gears comprise power connection gears 12 arranged on the power transmission shaft one 2, which are arranged along the axial direction of the power transmission shaft one 2 and have different diameters, and can be driven to rotate, and are used to transmit power to the power output shaft one 4. Specifically, the power connection gears 12 are arranged in two, including power connection gear one 12 and power connection gear two 12,

[0032] The power connection gears comprise power transmission gears 14 coaxially fixed on the power transmission shaft one 2, which are engaged with the power output gear one 13.

[0033] The power transmission gears are coaxially fixed on the power transmission shaft two 3, and are engaged with the power transmission gear assembly 17.

[0034] In the embodiment, the power change system for the field management machine is applied to the field management machine, which comprises a power source, a gearbox 18, a traveling assembly, a working tool, a tool output shaft 19 and a traveling output shaft 20. The traveling assembly has a traveling part for driving the frame assembly to travel, and the working tool has a working part for ditching or plowing.

[0035] The gearbox 18 comprises a power input shaft 1 for receiving the power source, a power transmission shaft one 2, a power transmission shaft two 3, a power output shaft one 4 and a power output shaft two 5. The power input shaft 1 is arranged along the axial direction and is slidably fitted with the power input gear assembly one 21 and the power input gear assembly two 7.

[0036] The power transmission shaft 2 has a power transmission gear 14, the power input gear assembly 21 can be operated to engage with the power transmission gear 14 to transmit power to the power output shaft 1;

[0037] The power transmission shaft 2 has a power transmission gear 14, the power input gear assembly 21 can be operated to engage with the power transmission gear 14 to transmit power to the power output shaft 1;

[0038] By operating the power input gear assembly 21 and the power input gear assembly 7, the power input gear assembly 21 is engaged with the power transmission gear 14 to transmit power to the power output shaft 1, and the power input gear assembly 2 is engaged with the power transmission gear assembly to transmit power to the power output shaft 2, realizing separate control of walking and cutting tools, compact structure, small required volume, and simple structure of the gearbox 18.

[0039] In the embodiment, the power device serves as a power source, and in the embodiment, the power device is an engine. The power device has a power device output shaft. The gearbox 18 has a power input shaft 1 for receiving power from the power device output shaft, and in the embodiment, the power input shaft 1 is connected to the power device output shaft through a shaft coupling.

[0040] In the embodiment, the gearbox 18 is a gear gearbox 18, and the gearbox body and the power source are mounted on the frame of the field management machine.

[0041] The power input shaft 1, the power transmission shaft 1, the power transmission shaft 2, the power output shaft 1 and the cutting tool input rotationally cooperate with the gearbox body, the power input gear assembly 21 and the power input gear assembly 7 are slidably arranged on the power input shaft 1 in the axial direction, the power input gear assembly 21 and the power input gear assembly 7 are arranged on the power input shaft 1 through spline cooperation, the power input gear assembly 21 and the power input gear assembly 7 are driven by a shift fork, and the power input gear assembly 21 and the power input gear assembly 7 are slid by the shift fork.

[0042] The power transmission teeth 14 are arranged along the axial direction of the power transmission shaft 2 and have different diameters. The power input teeth assembly 21 is arranged along the axial direction of the power transmission shaft 2 and has power input teeth 6 corresponding to the power transmission teeth 14. In this embodiment, the power input teeth 6 include two power input teeth with different diameters, i.e., a large power input tooth and a small power input tooth, which are used to engage with the power transmission teeth 14 on the power transmission shaft 2. The power transmission teeth 14 include two power transmission teeth 14 with different diameters, which are arranged along the axial direction of the power transmission shaft 2 and engage with the large power input tooth and the small power input tooth, respectively, to realize power transmission. The power input teeth assembly 21 can be operated to engage the corresponding power input teeth 6 with the corresponding power transmission teeth 14 to transmit power to the power transmission shaft 2, thereby realizing gear shifting.

[0043] In this embodiment, the power transmission teeth 14 are coaxially arranged on the power transmission shaft 2. The power transmission teeth 14 engage with the power output teeth 13. The power transmission teeth 14 are used to transmit power from the power transmission shaft 2 to the power output shaft 5.

[0044] In other embodiments, the power input teeth assembly 21 can be provided with power input teeth 6 with different diameters to realize multi-gear shifting.

[0045] The power input teeth assembly 2 includes at least one power input teeth 7 arranged along the axial direction of the power input shaft 1. In this embodiment, the power input teeth assembly 7 further includes a power input shaft 1 provided with a coupling tooth 8, which can rotate relative to the power input shaft 1. The power transmission teeth assembly includes a power transmission tooth 9 coaxially arranged on the power transmission shaft 2 and engaging with the coupling tooth 8. The coupling tooth 8 has a coupling portion 1, and the power input teeth 7 have a coupling portion 2. The power input teeth 7 can be operated to move the coupling portion 2 to engage with the coupling portion 1, thereby transmitting power to the power transmission shaft 2 through the power transmission tooth 9. The power input teeth 7 can be operated to engage with the power transmission tooth 2 to transmit power to the power transmission shaft 2.

[0046] The power output shaft one 4 is provided with a power direction changing tooth 11 which can rotate relative to the power output shaft one 4, the power direction changing tooth 11 has a connecting tooth part and a direction changing tooth part, the direction changing tooth part is engaged with the power change gear two 10, the connecting tooth part can be engaged with the power input gear two 7, the power input gear two 7 can be operated to be engaged with the connecting tooth part to transmit power to the power transmission gear assembly 17 through the power change gear two 10, and specifically, the power connecting tooth 16 is coaxially fixed on the power transmission shaft two 3, and the power connecting tooth 16 is engaged with the power transmission gear assembly 17. The power direction changing tooth 11 has a connecting tooth part and a direction changing tooth part, and is responsible for being engaged with the corresponding gear respectively, realizes the transmission and direction changing of power, realizes the effective transmission and direction changing of power, and makes the power output shaft one 4 be able to receive and transmit power as needed. Due to the design of the power direction changing tooth 11, the power output shaft one 4 can flexibly receive and transmit power, adapt to different operation requirements and soil conditions, be efficient, flexible and controllable, and can improve the operation efficiency and adaptability of the field management machine.

[0047] In the embodiment, the power output shaft two 5 is coaxially provided with the power output gear two 15 which is engaged with the power transmission gear assembly 17, power is transmitted to the power output shaft two 5 through the power output gear two 15 to drive the working part to rotate. In the embodiment, the power transmission gear assembly 17 has two tooth parts, one tooth part is used for being engaged with the power connecting tooth 16, and the other tooth part is used for being engaged with the power output gear two 15 of the power output shaft two 5.

[0048] In the embodiment, in order to better perform field work, the rotating speed of the working cutter in reverse rotation is higher than the rotating speed of the walking part. The rotating speed difference is realized completely by the separate control of the power output shaft one 4 and the power output shaft two 5 of the present application.

[0049] The separate control of the power output shaft one 4 and the power output shaft two 5 of the present application can be realized only by four shafts, various cutters and walking wheels can be installed as needed to realize ditching, weeding, rotary tillage and other functions, the operation is simple, only the corresponding shift fork needs to be operated, the field management machine is more flexible and efficient in farmland management, and the demand of modern agriculture for multifunctional and efficient agricultural machines is met.

[0050] The cutter input shaft is used for receiving power of the power output shaft two 5, the walking input shaft is used for receiving power of the power output shaft one 4, the cutter input shaft transmits power to the cutter output shaft 19, the walking input shaft transmits power to the walking output shaft 20, the cutter output shaft 19 is located below the walking output shaft 20, and the height difference between the cutter output shaft 19 and the walking output shaft 20 ranges from 50 mm to 100 mm. The ditching quality can be improved, the working cutter can be more deeply inserted into the soil when ditching, and the quality of ditching is effectively guaranteed.

[0051] The principle and implementation mode of the present application are described by using specific examples herein, and the above examples are only used for helping to understand the method and core idea of the present application. The above description is only the preferred implementation mode of the present application, and it should be pointed out that, due to the limited nature of the expression, there are objectively infinite specific structures, and for ordinary skilled persons in the technical field, some improvements, decorations or changes can be made without departing from the principle of the present application, and the above technical features can be combined in an appropriate manner; the improvements, decorations, changes or combinations, or the direct application of the concept and technical solution of the present application to other occasions without improvement, should be regarded as the protection scope of the present application.

Claims

1. A power transmission system for a garden tiller, characterized in that: The device includes a power transmission shaft and a power output shaft. The power transmission shaft is equipped with a power engagement gear assembly, which can be driven to rotate. A power output gear is coaxially arranged on the power output shaft, and the rotation of the power output gear can drive the power output shaft to rotate synchronously. The power output shaft is equipped with a power reversing gear and a power transmission gear assembly that can rotate relative to the power output shaft. The power engagement gear assembly can drive the power reversing gear or the power transmission gear assembly to rotate. The power output shaft has an output end one, and the power transmission gear assembly has an output end two.

2. The power transmission system for a garden tiller according to claim 1, characterized in that: The power transmission gear assembly includes a power connection gear and a power output gear arranged along the axial direction. The power connection gear is used to receive power from the power transmission shaft, and the power output gear has an output end.

3. The power transmission system for a garden tiller according to claim 2, characterized in that: The power engagement gear assembly includes multiple power transmission gears of different diameters arranged axially along the power transmission shaft.

4. The power transmission system for a garden tiller according to claim 3, characterized in that: The power transmission gear is provided in two parts, and the two power transmission gears can be driven to rotate separately.

5. The power transmission system for a garden tiller according to claim 4, characterized in that: The power shift gear has a first tooth and a second tooth. The first tooth can mesh with the power input gear assembly, and the second tooth meshes with one of the power shift gears.

6. The power transmission system for a garden tiller according to claim 3, characterized in that: The power transmission shaft includes a power transmission shaft one and a power transmission shaft two; the power output shaft is a power output shaft one, and also includes a power output shaft two, which is used to receive the power from the output end two of the power output teeth. The power transmission gear is disposed on the second power transmission shaft. The power engagement gear assembly includes a power engagement gear disposed on the first power transmission shaft. Multiple power engagement gears with different diameters are disposed along the axial direction of the first power transmission shaft. The power engagement gears can be driven to rotate. The power engagement gears are used to transmit power to the first power output shaft.

7. The power transmission system for a garden tiller according to claim 6, characterized in that: The power engagement gear assembly includes a power transmission gear coaxially fixedly disposed on a power transmission shaft, and the power transmission gear meshes with a power output gear.

8. The power transmission system for a garden tiller according to claim 2, characterized in that: A power transmission gear assembly is coaxially fixed on the second power transmission shaft, and the power transmission gear assembly meshes with the power transmission gear assembly.

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