CN217905041U - Vertical shaft four-wheel drive device for field management machine - Google Patents
Vertical shaft four-wheel drive device for field management machine Download PDFInfo
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- CN217905041U CN217905041U CN202220210735.7U CN202220210735U CN217905041U CN 217905041 U CN217905041 U CN 217905041U CN 202220210735 U CN202220210735 U CN 202220210735U CN 217905041 U CN217905041 U CN 217905041U
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Abstract
The utility model discloses a vertical shaft four-wheel drive driving device for a field management machine, which comprises an engine, a speed change device and a power output device; the engine is positioned at the upper part of the speed changing device and transmits power to the speed changing device through a vertical shaft; the power output device comprises a first power output assembly and a second power output assembly, the first power output assembly is respectively inclined towards the front lower direction relative to the speed changing device, and the lower end of the first power output assembly extends towards two transverse sides to be provided with two first power output ends; the second power output components are respectively inclined towards the rear lower part relative to the speed changing device, and the lower ends of the second power output components extend towards the two transverse sides to be provided with two second power output ends; the utility model can install walking wheels and various cutters on the two output structures according to the needs, thereby realizing multiple functions on the land; the whole gravity center position is favorable for ensuring the whole stability of the machine, the transverse and longitudinal structure sizes are reduced, the size is small, the working efficiency is high, and the machine is suitable for the requirements of modern agriculture on a field management machine.
Description
Technical Field
The utility model relates to the field of agricultural machinery, concretely relates to vertical axle four-wheel drive arrangement for rural area supervisor.
Background
The field management machine is generally used for small-sized field tillage machinery for working in greenhouses, orchards, common farmlands and the like, and is an agricultural machine product specially designed for working in orchards, vegetable fields, greenhouses, hilly slopes and small plots (water and dry fields).
With the advance of modern agriculture, the functional requirements on the field management machine are diversified, the mechanized farming needs in a narrow space are more and more, and the field management machine is still required to have more functions in different environments; in the prior art, a management machine driving system with two-axis output and gear shifting functions appears, but the structure is large in overall size, single in function, heavy in installation structure and complex in overall structure.
In actual work, the volume of the field management machine is required to be small to adapt to different working environments, and the complex and heavy structure can often cause the volume of a transmission part to be large, so that the transmission efficiency is reduced; therefore, the traditional two-shaft or single-shaft output structure cannot meet the requirement of modern agriculture on a field management machine.
Therefore, in order to solve the above problems, it is necessary to improve the driving structure of the existing field management machine, and to provide an output structure of the front and rear shafts, so that it is possible to form a multifunctional field management machine, and at the same time, it is ensured that the transmission structure is simple in overall structure and small in volume, and is suitable for the requirements of modern agriculture on field management machines.
SUMMERY OF THE UTILITY MODEL
In view of this, the vertical shaft four-wheel drive driving device for the rural area management machine of the technical scheme has a four-wheel drive output structure of a front shaft and a rear shaft, so that the multifunctional rural area management machine can be formed, and meanwhile, the transmission structure is simple in overall structure and small in size, and is suitable for the requirements of modern agriculture on the rural area management machine.
The utility model discloses a vertical shaft four-wheel drive driving device for a field management machine, which comprises an engine, a speed change device and a power output device;
the engine is positioned at the upper part of the speed changing device and transmits power to the speed changing device through the vertical shaft;
the power output device comprises a first power output assembly and a second power output assembly, the first power output assembly is inclined forwards and downwards relative to the speed changing device, and the lower end of the first power output assembly extends to two transverse sides to be provided with two first power output ends; the second power output components are respectively inclined towards the rear lower part relative to the speed changing device, and the lower ends of the second power output components extend towards the two transverse sides to be provided with two second power output ends.
Further, the first power output assembly comprises a first transmission mechanism and a first power output shaft, the first transmission mechanism is used for receiving the output power of the speed changing device and transmitting the output power to the first power output shaft, the first power output shaft is transversely arranged, and two ends of the first power output shaft form two first power output ends respectively;
the second power output assembly comprises a second transmission mechanism and a second power output shaft, the second transmission mechanism is used for receiving the output power of the speed changing device and transmitting the output power to the second power output shaft, the second power output shaft is transversely arranged, and two ends of the second power output shaft form two second power output ends respectively.
Further, the transmission device includes a power input shaft, a first transmission assembly that inputs power to the first transmission mechanism, and a second transmission assembly that inputs power to the second transmission mechanism; the first speed changing assembly and the second speed changing assembly are of a one-gear or multi-gear speed changing structure.
Further, the first speed change assembly comprises a first main shaft and a first speed change gear set, and the first main shaft outputs power to the first transmission mechanism;
the first speed change gear set comprises a first fast gear driving gear and a first slow gear driving gear which are used for receiving input power of the power input shaft, and a first fast gear driven gear and a first slow gear driven gear which are arranged on the first main shaft; the first fast driving gear and the first fast driven gear can be in meshing transmission or disconnection, and the first slow driving gear and the first slow driven gear can be in meshing transmission or disconnection;
the second speed change assembly comprises a second main shaft and a second speed change gear set, and the second main shaft outputs power to the second transmission mechanism;
the second speed change gear set comprises a second fast gear driving gear and a second slow gear driving gear which are used for receiving the input power of the power input shaft, and a second fast gear driven gear and a second slow gear driven gear which are arranged on the second main shaft; the second fast gear driving gear and the second fast gear driven gear can be in meshed transmission or disconnected, and the second slow gear driving gear and the second slow gear driven gear can be in meshed transmission or disconnected.
The reversing gear set comprises a reversing fast-gear driving gear and a reversing slow-gear driving gear which are used for receiving input power of the power input shaft, a reversing fast-gear driven gear and a reversing slow-gear driven gear which are arranged on the reversing intermediate shaft, and a reversing transition gear pair which transmits the reversing power of the reversing intermediate shaft to the first main shaft or the second main shaft; the reverse rotation fast gear driving gear and the reverse rotation fast gear driven gear can be in meshing transmission or disconnection, and the reverse rotation slow gear driving gear and the reverse rotation slow gear driven gear can be in meshing transmission or disconnection.
Furthermore, the first fast gear driving gear and the first slow gear driving gear are arranged on the power input shaft in a circumferential transmission and axial slidable mode, so that the first fast gear driving gear and the first slow gear driving gear can be driven to slide to form meshing transmission or separation with the first fast gear driven gear and the first slow gear driven gear respectively;
the second speed change assembly further comprises a second intermediate shaft, the power input shaft inputs power to the second intermediate shaft through a second reduction gear pair, and the second fast gear driving gear and the second slow gear driving gear are arranged on the second intermediate shaft.
Further, the first fast-gear driving gear or the second fast-gear driving gear and the reverse fast-gear driving gear are the same gear, and the first slow-gear driving gear or the second slow-gear driving gear and the reverse slow-gear driving gear are the same gear; the transition gear pair comprises a transition driving gear and a transition driven gear, wherein the transition driving gear is arranged on the slow gear intermediate shaft in a transmission matching mode, and the transition driven gear is meshed with the transition driving gear and arranged on the first main shaft or the second main shaft in a transmission matching mode.
Further, the second fast gear driving gear and the reverse fast gear driving gear are the same gear, the second slow gear driving gear and the reverse slow gear driving gear are the same gear, and the transition driven gear is arranged on the second main shaft in a transmission fit manner; the second fast gear driving gear and the second slow gear driving gear are duplicate gears and are arranged on the second intermediate shaft in a manner that the second fast gear driving gear and the second slow gear driving gear can slide upwards on the circumferential direction transmission shaft, so that the second fast gear driving gear and the second slow gear driven gear can be driven to slide axially to be in meshed transmission or separated, and in meshed transmission or separated with the reverse fast gear driven gear and the reverse slow gear driven gear.
Further, the vertical shaft is a power output shaft section of the engine crankshaft, and the power output shaft section conveys power to the power input shaft sequentially through a clutch and a group of planetary reduction gear trains.
Further, the power output end of the planetary reduction gear train transmits power to the power input shaft through a power input bevel gear pair;
the first transmission mechanism comprises a first bevel gear pair I, a first transmission shaft and a first bevel gear pair II, the first main shaft inputs power to the first transmission shaft through the first bevel gear pair I, the first transmission shaft inclines towards the front lower part and transmits the power to a first power output shaft through the first bevel gear pair II;
the second transmission mechanism comprises a driving chain wheel, a transmission chain and a driven chain wheel, the driving chain wheel is arranged on the second main shaft in a transmission matching mode, the transmission chain inclines towards the rear lower side, and the driven chain wheel is arranged on the second power output shaft in a transmission matching mode.
The power transmission device comprises a main box body and two sub box bodies, wherein the main box body is used for installing and containing the speed change device, and the two sub box bodies are respectively inclined towards the front lower part and the rear lower part and used for containing and supporting the first power output assembly and the second power output assembly.
The utility model has the advantages that: according to the vertical shaft four-wheel drive driving device for the field management machine, the engine is positioned at the upper part and outputs power vertically, and a four-wheel drive structure is formed by adopting two groups of power output assemblies which are inclined forwards and backwards, so that the multifunctional field management machine can be formed; the engine and the speed changing device are located on the upper portions of the two groups of output assemblies, the two groups of output assemblies are inclined, the support is close to symmetry, the gravity center position is favorable for guaranteeing the overall stability of the machine, the transverse and longitudinal structure sizes are reduced, the size is small, the working efficiency is high, and the agricultural output mechanism is suitable for the requirements of modern agriculture on a field management machine.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic diagram of the transmission of the present invention;
fig. 3 is a schematic diagram of the reverse rotation speed change assembly of the present invention.
Detailed Description
As shown in fig. 1 to 3, the utility model discloses a vertical shaft four-wheel drive driving device for a field management machine, which comprises an engine 29, a speed change device and a power output device;
the engine 29 is located at the upper part of the transmission and transmits power to the transmission through a vertical shaft 30, the vertical shaft refers to the power output of the engine in the vertical direction, generally, a shaft section of a crankshaft extending out of an engine box, and the whole engine 29 is generally fixedly installed at the upper part of a transmission box and inputs power into the transmission vertically and downwards;
the power output device comprises a first power output assembly and a second power output assembly, the first power output assembly is inclined forwards and downwards relative to the speed changing device, and the lower end of the first power output assembly extends to two transverse sides to be provided with two first power output ends; the second power output assembly is inclined towards the rear lower part relative to the speed changing device, and the lower end of the second power output assembly extends towards two transverse sides to be provided with two second power output ends;
certainly, the first power output assembly and the second power output assembly need to form certain support, and the support is generally formed by a transmission case body, which is not described herein again;
when the power output mechanism is actually used, the first power output assembly and the second power output assembly form a front-back inclination, and the engine and the speed change device are structurally supported at the top, so that better stability is ensured in a cultivation process;
the front and back of the field management machine is only convenient to understand and is not a strict front and back relation, and the first power output assembly and the second power output assembly both extend downwards along the longitudinal direction and incline towards two sides, so that field operation can be carried out by switching the front and back of the handrail of the field management machine when different requirements are met, for example, the handrail of the field management machine can be turned over and switched back and forth, and is not fixed in the front and back direction according to different requirements, and the repeated description is omitted.
In this embodiment, the first power output assembly includes a first transmission mechanism and a first power output shaft 13, the first transmission mechanism is configured to receive output power of the speed changing device and transmit the output power to the first power output shaft 13, the first power output shaft 13 is transversely disposed, and two ends of the first power output shaft respectively form two first power output ends;
the second power output assembly comprises a second transmission mechanism and a second power output shaft 23, the second transmission mechanism is used for receiving the output power of the speed changing device and transmitting the output power to the second power output shaft 23, the second power output shaft 23 is transversely arranged, and two ends of the second power output shaft 23 form two second power output ends respectively;
the first transmission mechanism and the second transmission mechanism can be gear transmission, belt transmission, transmission shaft transmission, chain transmission and the like in the prior art, and finally transmit power to the first power output shaft and the second power output shaft; the first power output shaft and the second power output shaft can be whole shafts or two half shafts, and both can achieve the purpose, and are not described again; the power transmission can be implemented by using the existing mechanical transmission methods, such as various gears and chains, etc., which are not described in detail herein.
In the present embodiment, the transmission device includes a power input shaft 1, a first speed change assembly that inputs power to a first transmission mechanism, and a second speed change assembly that inputs power to a second transmission mechanism; the first speed change assembly and the second speed change assembly are of a one-gear or multi-gear speed change structure, in this embodiment, both are of a two-gear structure, and in practice, the first gear or other gears can be equal or unequal according to different requirements; the gear ratio of two-gear speed change can be set according to different requirements so as to adapt to different farming requirements, and details are not repeated; for example, one group of speed change assemblies is used for driving walking, and the other group of speed change assemblies is used for driving ditching, so that the ditching speed change assemblies need to output a faster rotating speed, and the details are not repeated herein.
In the embodiment, the first speed changing assembly comprises a first main shaft 2 and a first speed changing gear set, and the first main shaft 2 outputs power to the first transmission mechanism;
the first speed change gear set comprises a first fast gear driving gear 7 and a first slow gear driving gear 6 which are used for receiving the input power of the power input shaft 1, and a first fast gear driven gear 8 and a first slow gear driven gear 9 which are arranged on the first main shaft 2, and the mode of receiving the input power of the power input shaft 1 can adopt the existing mechanical transmission mode, including the mode of direct input and through an intermediate gear, and the description is not repeated; the first fast gear driving gear 7 and the first fast gear driven gear 8 can be in meshing transmission or disconnection, the first slow gear driving gear 6 and the first slow gear driven gear 9 can be in meshing transmission or disconnection, and the meshing transmission or disconnection mode generally adopts a mode of axially driving one gear to slide so as to complete meshing or disconnection with the other gear, so that the clutch belongs to a separation meshing structure in the prior art and is not described again;
the second speed change assembly comprises a second main shaft 3 and a second speed change gear set, and the second main shaft 3 outputs power to the second transmission mechanism;
the second speed change gear set comprises a second fast gear driving gear 16 and a second slow gear driving gear 17 for receiving the input power of the power input shaft 1, and a second fast gear driven gear 19 and a second slow gear driven gear 18 which are arranged on the second main shaft 3, and the mode of receiving the input power of the power input shaft 1 can adopt the existing mechanical transmission mode, including the mode of direct input and through an intermediate gear, and the details are not repeated herein; the second fast gear driving gear 16 and the second fast gear driven gear 19 can be in meshing transmission or disconnection, the second slow gear driving gear 17 and the second slow gear driven gear 18 can be in meshing transmission or disconnection, and the meshing transmission or disconnection mode generally adopts a mode of axially driving one gear to slide so as to complete meshing or disconnection with the other gear, so that the clutch belongs to a separation meshing structure in the prior art, and details are not repeated herein.
In the embodiment, the reverse rotation speed change assembly is further included, and the reverse rotation speed change assembly comprises a reverse rotation intermediate shaft 25 and a reverse rotation gear set, the reverse rotation gear set comprises a reverse rotation fast gear driving gear and a reverse rotation slow gear driving gear which are used for receiving the input power of the power input shaft 1, a reverse rotation fast gear driven gear 27 and a reverse rotation slow gear driven gear 28 which are arranged on the reverse rotation intermediate shaft, and a reverse rotation transition gear pair which transmits the reverse rotation power of the reverse rotation intermediate shaft 25 to the first main shaft 2 or the second main shaft 3, the mode of receiving the input power of the power input shaft 1 can adopt the existing mechanical transmission mode, including the mode of direct input and the mode of passing through an intermediate gear, but the final output needs to be opposite to the output direction of the first and second speed change assemblies; a transition gear pair is adopted to change the transmission steering to complete the reverse rotation; the reverse-rotation fast-gear driving gear and the reverse-rotation fast-gear driven gear 27 can be in meshing transmission or disconnection, and the reverse-rotation slow-gear driving gear and the reverse-rotation slow-gear driven gear 28 can be in meshing transmission or disconnection; the manner of disconnection and engagement is the same as that described above, and will not be described herein;
the embodiment adopts a reverse structure, and further expands the functions of the field management machine of the utility model to adapt to different farming requirements; of course, since the reverse rotation structure is separately provided for power output, the power output of the first transmission assembly and the second transmission assembly is generally selected to enable the first power output shaft and the second power output shaft to rotate in the same direction, and the purpose of different farming requirements is achieved by combining the reverse rotation structure.
In this embodiment, the first fast gear driving gear 7 and the first slow gear driving gear 6 are disposed on the power input shaft 1 in a manner of being capable of circumferential transmission and axially sliding, so as to be capable of being driven to slide to form meshing transmission or separation with the first fast gear driven gear 8 and the first slow gear driven gear 9 respectively; the first fast gear driving gear 7 and the first slow gear driving gear 6 can adopt a duplicate gear structure, and the structural parameters of the duplicate gear are related to the arrangement of the first fast gear driven gear 8 and the first slow gear driven gear 9, so as to ensure that the meshing and separating processes are not interfered, thereby realizing gear switching; as shown in the drawings, in this embodiment, the first fast-gear driving gear 7 and the first slow-gear driving gear 6 are independently arranged, and a single axial driving is performed to complete respective engagement or separation as required, and of course, in this structure, the first fast-gear driven gear and the first slow-gear driven gear should be arranged on the first spindle in a transmission fit manner, which is not described herein again;
the second speed change assembly further comprises a second intermediate shaft 4, the power input shaft 1 inputs power to the second intermediate shaft 4 through a second reduction gear pair, and a second fast gear driving gear 16 and a second slow gear driving gear 17 are arranged on the second intermediate shaft 4; as shown in the figure, the second reduction gear pair comprises a reduction driving gear 14 arranged on the power input shaft 1 in transmission fit and a reduction driven gear 15 meshed with the reduction driving gear 14 and arranged on the second intermediate shaft 4 in transmission fit, so that one-stage reduction is realized, and different farming requirements are met.
In this embodiment, the first fast driving gear 7 or the second fast driving gear 16 and the reverse fast driving gear are the same gear, and the first slow driving gear 6 or the second slow driving gear 17 and the reverse slow driving gear are the same gear; the transition gear pair comprises a transition driving gear 26 arranged on the slow gear intermediate shaft 25 in a transmission fit manner and a transition driven gear 24 which is meshed with the transition driving gear 26 and arranged on the first main shaft 2 or the second main shaft 3 in a transmission fit manner (the arrows in fig. 3 indicate that the two gears are meshed with each other); in the structure, the reverse rotation output can be realized through the first power output shaft or the second power output shaft, and the purpose to be achieved can be realized, and the details are not repeated; and moreover, the structure of sharing the same driving gear is adopted, so that the use of parts can be reduced, the manufacturing cost is saved, and meanwhile, the whole structure of the speed change device is simple and the size is small.
In this embodiment, the second fast gear driving gear 16 and the reverse fast gear driving gear are the same gear, the second slow gear driving gear 17 and the reverse slow gear driving gear are the same gear, and the transition driven gear 24 is disposed on the second spindle 3 in a transmission fit manner; the second fast gear driving gear 16 and the second slow gear driving gear 17 are duplicate gears and are arranged on the second intermediate shaft in a manner that a transmission shaft can be driven to slide upwards in the circumferential direction, so that the second fast gear driving gear and the second slow gear driving gear can be driven to slide axially to be in meshing transmission or separation with the second fast gear driven gear and the second slow gear driven gear, and can be in meshing transmission or separation with the reverse fast gear driven gear and the reverse slow gear driven gear; in the structure, the reverse power output is realized through the second power output shaft, and the switching of the forward rotation high gear, the slow gear, the reverse rotation high gear and the slow gear is completed through the duplicate gear, so that the structure is simple, the size is small, and the use of parts is saved; of course, the gears should be staggered in the axial direction, no working interference should occur, and the existing mechanical structure is adopted, which is not described herein again.
In this embodiment, the vertical shaft 30 is a power output shaft section of the crankshaft of the engine 29, the power output shaft section sequentially transmits power to the power input shaft 1 through a clutch 32 and a set of planetary reduction gear trains 31 (the planetary reduction gear train is a structure in the prior art, and is generally output from the sun gear input planet carrier, which is not described herein), and the primary speed reduction is realized through the planetary reduction gear train 31, so that the design of the subsequent speed change device is simpler, and the light weight and the reduction of the volume of the whole machine are further ensured.
In this embodiment, the power output end of the planetary reduction gear train 31 transmits power to the power input shaft 1 through the power input bevel gear pair 5, a planet carrier is generally adopted to output power, a vertical transmission shaft can be adopted according to different distances, and details are not repeated herein;
the first transmission mechanism comprises a first bevel gear pair I10, a first transmission shaft 11 and a first bevel gear pair II 12, the first spindle 2 inputs power to the first transmission shaft 11 through the first bevel gear pair I10, the first transmission shaft inclines forwards and downwards and transmits the power to a first power output shaft 13 through the first bevel gear pair II 12; the structure is simple, and the transmission is reliable;
the second transmission mechanism comprises a driving chain wheel 20, a transmission chain 21 and a driven chain wheel 22, the driving chain wheel 20 is arranged on the second main shaft 3 in a transmission matching mode, the transmission chain 21 inclines towards the rear lower direction, and the driven chain wheel 22 is arranged on the second power output shaft 23 in a transmission matching mode; the chain transmission is adopted to output power, and the power output device has strong adaptability.
In the embodiment, the power transmission device further comprises a box body assembly, wherein the box body assembly comprises a main box body 33 and two sub box bodies 34 and 35, the main box body 33 is used for installing and containing the speed change device, and the two sub box bodies 34 and 35 are respectively inclined forwards and downwards and backwards and downwards and are used for containing and supporting the first power output assembly and the second power output assembly; as shown in the figure, the two sub-box bodies 34 and 35 respectively move forwards and backwards to form strong support for the main box body, and meanwhile, the speed change assemblies in the sub-box bodies form support, so that the whole machine is stronger in integrity and more standard.
The utility model discloses a power output subassembly power transmission route:
the engine → the clutch and the planetary reduction gear train → the power input shaft → the first fast gear driving gear (first slow gear driving gear) → the first fast gear driven gear (first slow gear driven gear) → the first main shaft → the first bevel gear pair i → the first transmission shaft → the first bevel gear pair ii → the first power output shaft;
second power take-off assembly power transmission route:
the engine → the clutch and the planetary reduction gear train → the power input shaft → the reduction gear pair → the second intermediate shaft → the second fast gear driving gear (second slow gear driving gear) → the second fast gear driven gear (second slow gear driven gear) → the second main shaft → the chain drive → the second power output shaft;
reverse transfer route:
the engine → the clutch and the planetary reduction gear train → the power input shaft → the reduction gear pair → the second intermediate shaft → the second fast gear driving gear (second slow gear driving gear) → the reverse rotation fast gear driven gear (reverse rotation slow gear driven gear) → the transition gear pair → the second main shaft → the chain transmission → the second power output shaft;
during the transmission force transmission process of the gear, other gears are disengaged and do not transmit power or are engaged and transmitted according to requirements, and the detailed description is omitted.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (10)
1. A vertical axis four-wheel drive for a garden management machine, characterized by: comprises an engine, a speed change device and a power output device;
the engine is positioned at the upper part of the speed changing device and transmits power to the speed changing device through the vertical shaft;
the power output device comprises a first power output assembly and a second power output assembly, the first power output assembly is inclined forwards and downwards relative to the speed changing device, and the lower end of the first power output assembly extends to two transverse sides to be provided with two first power output ends; the second power output components are respectively inclined towards the rear lower part relative to the speed changing device, and the lower ends of the second power output components extend towards the two transverse sides to be provided with two second power output ends.
2. Vertical axis four-wheel drive for a garden management machine, according to claim 1, characterized in that: the first power output assembly comprises a first transmission mechanism and a first power output shaft, the first transmission mechanism is used for receiving the output power of the speed changing device and transmitting the output power to the first power output shaft, the first power output shaft is transversely arranged, and two ends of the first power output shaft form two first power output ends respectively;
the second power output assembly comprises a second transmission mechanism and a second power output shaft, the second transmission mechanism is used for receiving the output power of the speed changing device and transmitting the output power to the second power output shaft, the second power output shaft is transversely arranged, and two ends of the second power output shaft form two second power output ends respectively.
3. A vertical axis four-wheel drive arrangement for a garden management machine according to claim 2, characterised in that: the transmission device comprises a power input shaft, a first speed changing assembly for inputting power to a first transmission mechanism and a second speed changing assembly for inputting power to a second transmission mechanism; the first speed changing assembly and the second speed changing assembly are of a one-gear or multi-gear speed changing structure.
4. A vertical axis four-wheel drive arrangement for a garden management machine according to claim 3, characterised in that: the first speed change assembly comprises a first main shaft and a first speed change gear set, and the first main shaft outputs power to the first transmission mechanism;
the first speed change gear set comprises a first fast gear driving gear and a first slow gear driving gear which are used for receiving input power of the power input shaft, and a first fast gear driven gear and a first slow gear driven gear which are arranged on the first main shaft; the first fast driving gear and the first fast driven gear can be in meshing transmission or disconnection, and the first slow driving gear and the first slow driven gear can be in meshing transmission or disconnection;
the second speed change assembly comprises a second main shaft and a second speed change gear set, and the second main shaft outputs power to the second transmission mechanism;
the second speed change gear set comprises a second fast gear driving gear and a second slow gear driving gear which are used for receiving the input power of the power input shaft, and a second fast gear driven gear and a second slow gear driven gear which are arranged on the second main shaft; the second fast-gear driving gear and the second fast-gear driven gear can be in meshed transmission or disconnected, and the second slow-gear driving gear and the second slow-gear driven gear can be in meshed transmission or disconnected;
the reversing gear set comprises a reversing fast gear driving gear and a reversing slow gear driving gear which are used for receiving input power of the power input shaft, a reversing fast gear driven gear and a reversing slow gear driven gear which are arranged on the reversing intermediate shaft, and a reversing transition gear pair which transmits the reversing power of the reversing intermediate shaft to the first main shaft or the second main shaft; the reverse rotation fast gear driving gear and the reverse rotation fast gear driven gear can be in meshing transmission or disconnection, and the reverse rotation slow gear driving gear and the reverse rotation slow gear driven gear can be in meshing transmission or disconnection.
5. Vertical axis four-wheel drive for a garden management machine, according to claim 4, characterized in that: the first fast gear driving gear and the first slow gear driving gear are arranged on the power input shaft in a circumferential transmission and axial slidable mode, so that the first fast gear driving gear and the first slow gear driving gear can be driven to slide to form meshing transmission or separation with the first fast gear driven gear and the first slow gear driven gear respectively;
the second speed change assembly further comprises a second intermediate shaft, the power input shaft inputs power to the second intermediate shaft through a second reduction gear pair, and the second fast gear driving gear and the second slow gear driving gear are arranged on the second intermediate shaft.
6. A vertical axis four-wheel drive arrangement for a garden management machine according to claim 5, characterised in that: the first fast-gear driving gear or the second fast-gear driving gear and the reverse fast-gear driving gear are the same gear, and the first slow-gear driving gear or the second slow-gear driving gear and the reverse slow-gear driving gear are the same gear; the transition gear pair comprises a transition driving gear and a transition driven gear, wherein the transition driving gear is arranged on the slow gear intermediate shaft in a transmission matching mode, and the transition driven gear is meshed with the transition driving gear and arranged on the first main shaft or the second main shaft in a transmission matching mode.
7. Vertical axis four-wheel drive for a garden management machine, according to claim 6, characterized in that: the second fast gear driving gear and the reverse fast gear driving gear are the same gear, the second slow gear driving gear and the reverse slow gear driving gear are the same gear, and the transition driven gear is arranged on the second main shaft in a transmission fit manner; the second fast gear driving gear and the second slow gear driving gear are duplicate gears and are arranged on the second intermediate shaft in a manner of being capable of sliding upwards on the circumferential transmission shaft, so that the second fast gear driving gear and the second slow gear driving gear can be driven to axially slide to be in meshing transmission or separation with the second fast gear driven gear and the second slow gear driven gear, and can be in meshing transmission or separation with the reverse fast gear driven gear and the reverse slow gear driven gear.
8. Vertical axis four-wheel drive for a garden management machine, according to claim 4, characterized in that: the vertical shaft is a power output shaft section of an engine crankshaft, and the power output shaft section conveys power to a power input shaft sequentially through a clutch and a group of planetary reduction gear trains.
9. A vertical axis four-wheel drive arrangement for a garden management machine according to claim 8, characterised in that: the power output end of the planetary reduction gear train transmits power to the power input shaft through the power input bevel gear pair;
the first transmission mechanism comprises a first bevel gear pair I, a first transmission shaft and a first bevel gear pair II, the first main shaft inputs power to the first transmission shaft through the first bevel gear pair I, the first transmission shaft inclines towards the front lower part and transmits the power to a first power output shaft through the first bevel gear pair II;
the second transmission mechanism comprises a driving chain wheel, a transmission chain and a driven chain wheel, the driving chain wheel is arranged on the second main shaft in a transmission matching mode, the transmission chain inclines towards the rear lower side, and the driven chain wheel is arranged on the second power output shaft in a transmission matching mode.
10. A vertical axis four-wheel drive arrangement for a garden management machine according to claim 1, characterised in that: the power transmission box comprises a main box body and two sub box bodies, wherein the main box body is used for installing and containing a speed change device, and the two sub box bodies are respectively inclined towards the front lower part and the rear lower part and are used for containing and supporting a first power output assembly and a second power output assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220210735.7U CN217905041U (en) | 2022-01-24 | 2022-01-24 | Vertical shaft four-wheel drive device for field management machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220210735.7U CN217905041U (en) | 2022-01-24 | 2022-01-24 | Vertical shaft four-wheel drive device for field management machine |
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| CN217905041U true CN217905041U (en) | 2022-11-29 |
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| CN202220210735.7U Active CN217905041U (en) | 2022-01-24 | 2022-01-24 | Vertical shaft four-wheel drive device for field management machine |
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| CN (1) | CN217905041U (en) |
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