CN-121977050-A - Integrated transmission of riding mini-tiller and riding mini-tiller

CN121977050ACN 121977050 ACN121977050 ACN 121977050ACN-121977050-A

Abstract

The invention discloses an integrated transmission of a riding mini-tiller and the riding mini-tiller, which comprise a power input shaft, a first power transmission system and a second power transmission system, wherein the first power transmission system and the second power transmission system comprise a plurality of power driving gear wheels and a plurality of power driven gear wheels which are selectively meshed with the power driving gear wheels to output power, the first power transmission system and the second power transmission system comprise reverse gear transmission routes, and the second power transmission system also comprises high-speed gears and low-speed gears of different gear powers.

Inventors

LUO YUYUAN
WANG JILONG

Assignees

重庆隆旺机电有限责任公司
重庆美澳机械制造有限公司

Dates

Publication Date: 20260505
Application Date: 20260319

Claims (10)

1. An integrated transmission of a riding mini tiller is characterized by comprising a power input shaft, a first power transmission system and a second power transmission system; The power input shaft is used for receiving output power of the power equipment, the first power transmission system comprises a first power driving gear set and a first power driven gear set, the first power driving gear set comprises a plurality of first power driving gear gears, and the first power driven gear set comprises a plurality of first power driven gear gears which are used for selectively meshing and transmitting the first power to the plurality of first power driving gear gears; The second power transmission system comprises a second power driving gear set and a second power driven gear set, wherein the second power driving gear set comprises a plurality of second power driving gear gears, and the second power driven gear set comprises a plurality of second power driven gear gears which are used for selectively meshing and transmitting second power with the plurality of second power driving gear gears; The first power transmission system and the second power transmission system both comprise reverse transmission routes, and the second power transmission system also comprises high-speed gears and low-speed gears of different gear power.
2. The integrated transmission of a riding mini tiller of claim 1, further comprising a first intermediate shaft and a second intermediate shaft, wherein a plurality of first power driven gear wheels are arranged on the first intermediate shaft or the second intermediate shaft, and a plurality of second power driven gear wheels are arranged on the first intermediate shaft or the second intermediate shaft.
3. The integrated transmission of the riding mini tiller of claim 2, wherein a plurality of first power driven gear wheels are arranged on a first intermediate shaft for outputting first power, and a plurality of second power driven gear wheels are arranged on a second intermediate shaft for outputting second power; The power input shaft, the first intermediate shaft and the second intermediate shaft are mutually parallel; the first power driven gear comprises a first power driven first gear, a first power driven second gear and a first power driven third gear, a triple gear is formed among the first power driven first gear, the first power driven second gear and the first power driven third gear, the triple gear is arranged on a first intermediate shaft in a rotating fit manner, and different gear powers of the first power are transmitted through selective engagement of the first power driven first gear, the first power driven second gear and the first power driven third gear; The first power driving gear comprises a first power driving third gear, a first power driving second gear and a first power driving first gear which are in axial parallel transmission along the power input shaft and can be in axial sliding fit, and the first power driving first gear, the first power driving second gear and the first power driving third gear are in one-to-one corresponding alternative meshing transmission with the first power driven first gear, the first power driven second gear and the first power driven third gear to output first power.
4. The integrated transmission of the riding mini tiller of claim 3, wherein the plurality of second power driven gear wheels comprise a second power driven first gear wheel and a second power driven second gear wheel, the second power driven gear group further comprises a first functional gear wheel and a second functional gear wheel which are arranged on a first intermediate shaft, a third functional gear wheel, a fourth functional gear wheel and a second power output driving gear wheel which are arranged on a second intermediate shaft, the second power driven first gear wheel and the second power driven second gear wheel form a duplex gear and are in running fit with each other and are arranged on the second intermediate shaft, the first functional gear wheel and the second functional gear wheel are in running fit with each other and are arranged on the first intermediate shaft, the second power driven first gear wheel and the third functional gear wheel are in running fit with each other and are arranged on the second intermediate shaft, and the fourth functional gear wheel and the second power output driving gear wheel are in running fit with each other and are arranged on the second intermediate shaft; The second power driving gear comprises a second power driving first gear, a second power driving second gear and a second power driving third gear which are in axial parallel transmission along the power input shaft and can be in axial sliding fit, and the second power driving first gear, the second power driving second gear and the second power driving third gear are in corresponding alternative meshing transmission with the second power driven first gear, the second power driven second gear and the fourth functional gear to output second power.
5. The integrated transmission of the riding mini-tiller of claim 4, wherein the first power driving first gear, the first power driving second gear and the first power driving third gear are respectively in driving fit with the power input shaft and can be driven to axially slide along the power input shaft; The second power driving first gear, the second power driving second gear and the second power driving third gear are respectively in transmission fit with the power input shaft and can be driven to axially slide along the power input shaft.
6. The integrated transmission of the riding mini tiller of claim 5, wherein the first power driving second gear and the first power driving third gear form a duplex gear and are arranged on the power input shaft in a rotating fit manner, and the second power driving second gear and the second power driving third gear form a duplex gear and are arranged on the power input shaft in a rotating fit manner; The first power driven gear set further comprises a fifth functional gear, a sixth functional gear and a first power output driving gear which are arranged on the second intermediate shaft, the fifth functional gear and the first power output driving gear are in transmission fit with each other and are arranged on the second intermediate shaft, and the fifth functional gear and the sixth functional gear are in transmission fit with each other and are arranged on the second intermediate shaft; The power transmission mechanism comprises a first power output shaft, a second power transition output shaft and a second power output shaft, wherein a first power output driven gear in transmission fit with a first power output driving gear is arranged on the first power output shaft, a second power transition output shaft functional gear in transmission fit with the second power output driving gear is arranged on the second power transition output shaft, a second power transition transmission gear I and a second power transition transmission gear II are further arranged on the second power transition output shaft, the second power transition output shaft functional gear and the second power transition transmission gear II are in transmission fit with each other and are arranged on the second power transition output shaft, and the second power transition transmission gear I and the second power transition transmission gear II are in transmission fit with each other and are arranged on the second power transition output shaft; the second power output shaft is provided with a second power output driven gear I in transmission fit with the second power transition transmission gear I and a second power output driven gear II in transmission fit with the second power transition transmission gear II; the front section and the rear section of the second intermediate shaft respectively output power to a first power output shaft and a second power transition output shaft correspondingly; the first power output shaft, the second power transition output shaft and the second power output shaft are respectively parallel to the second intermediate shaft, and the first power output shaft and the second power transition output shaft are positioned on the same horizontal plane; the first power driving first gear can be driven to axially slide along the power input shaft and selectively meshed with the first power driven first gear and the sixth functional gear for transmission, so that the first power is output; The first power driven second gear is meshed with the fifth functional gear for transmission.
7. The integrated transmission of a riding mini tiller of claim 6, wherein the second power driving first gear is driven to axially slide along the power input shaft and selectively engage and transfer with the second power driven first gear and the first functional gear to thereby output a second power; the first functional gear is meshed with the third functional gear for transmission, and the second functional gear is meshed with the fourth functional gear for transmission; The first power driving first gear can be driven to axially slide along the power input shaft and form a reverse gear transmission route of the first power transmission system when in meshed transmission with the sixth functional gear; the second power driving first gear can be driven to axially slide along the power input shaft and form a reverse gear transmission route of the second power transmission system when in meshed transmission with the first functional gear.
8. A riding mini tiller comprising an integrated transmission of the riding mini tiller of any of claims 1-7.
9. The riding mini-tiller of claim 8, wherein the mini-tiller comprises a frame, an engine assembly, a clutch assembly and a gearbox assembly, wherein the engine assembly, the clutch assembly and the gearbox assembly are arranged on the frame; The engine assembly inputs power to a gearbox power input shaft of the gearbox assembly through the clutch assembly through an engine power output shaft; the engine assembly comprises an engine box body, the clutch assembly comprises a clutch box body and a clutch positioned in the clutch box body, and the gearbox assembly comprises a gearbox box body; the clutch box body is positioned at a position from the transmission axis of the clutch assembly to deviate from the axis of the power output shaft of the engine and the axis of the power input shaft of the gearbox; The engine power output shaft transmits power to the clutch through the first transmission pair, and the clutch transmits power to the gearbox power input shaft through the second transmission pair, so that the transmission axis of the clutch assembly is deviated from the axis of the engine power output shaft and the axis of the gearbox power input shaft.
10. The riding mini-tiller of claim 9, wherein the axis of the clutch assembly is offset from the axis of the power output shaft of the engine assembly and the axis of the power input shaft of the gearbox assembly by: The transmission axis of the clutch assembly is parallel to the axis of the power output shaft of the engine assembly and the axis of the power input shaft of the gearbox assembly, or the transmission axis of the clutch assembly is spatially perpendicular to the axis of the power output shaft of the engine assembly and the axis of the power input shaft of the gearbox assembly; The clutch housing includes a base housing and a cover covering an opening in the base housing, the cover being exposed to an operative field of view for disassembly and assembly, the opening being of a size sufficient for installing and removing the clutch.

Description

Integrated transmission of riding mini-tiller and riding mini-tiller Technical Field The invention relates to the field of power output of riding mini-tiller, in particular to an integrated transmission of a riding mini-tiller and the riding mini-tiller. Background The riding mini-tiller is used as core equipment for deep tillage, seeding, weeding, ditching, ridging and other operations in agricultural production, and is widely applied to agricultural operation scenes such as fields, orchards and greenhouses by virtue of the advantages of flexibility, high operation efficiency, adaptation to multi-scene cultivation and the like. The transmission is used as a power core component and bears key functions of power speed change, torque adjustment, multi-station power distribution and synchronous driving of walking and operation, the structural rationality, transmission efficiency and operation stability of the transmission directly influence the operation performance, fuel consumption and service life of the mini-tiller, the transmission is limited by structural design and assembly technology, the problems of transmission jamming, power loss or poor working condition adaptability and the like of the traditional transmission are easy to occur, the use requirements of light weight, high efficiency and long service life are difficult to meet, and therefore the development of the transmission structure is promoted. The conventional transmission structure mainly depends on a traditional gear meshing structure to realize power transmission and speed change adjustment, but has various defects, such as larger whole size, heavy installation structure, low integration degree, difficulty in meeting the requirements of light-weight production and simplified assembly process, unreasonable gear set layout, insufficient gear meshing precision, easiness in occurrence of failures such as clamping or gear release during gear shifting, incapability of adapting to the operation requirements of frequent speed change of field operation, poor transmission matching of a power input shaft and an output shaft, serious power transmission loss, increased fuel consumption, reduced operation efficiency, lack of pertinence in gear setting, incapability of meeting the requirements of rotating speeds and torque under different working conditions such as deep ploughing large torque, shallow ploughing high efficiency, short-distance transportation high rotating speed and the like, limitation of operation adaptability, incapability of synchronously driving a micro-cultivator running system and an operation device, additional transmission assembly, further increase of equipment size and manufacturing cost, and easiness in occurrence of failures such as abrasion or deformation under high-strength operation environment, short service life, and complexity in maintenance and disassembly, and increased use cost. Therefore, the existing transmission structure needs to be improved, the problems of gear shifting faults and power loss caused by insufficient gear meshing precision and poor power matching performance can be solved, the adaptability and stability of the transmission under complex working conditions can be enhanced, the multipath power output structure can be optimized, the power transmission efficiency is improved, meanwhile, the maintenance flow is simplified, the manufacturing cost and the use cost are reduced, and the production efficiency is improved and the comprehensive use cost is reduced on the basis of ensuring the operation quality and the operation continuity of the riding mini-tiller. Disclosure of Invention In view of the shortcomings of the existing transmission structure, the invention aims to provide an integrated transmission of a riding mini-tiller and the riding mini-tiller, which not only can solve the problems of gear shifting faults and power loss caused by insufficient gear engagement precision and poor power matching property, enhance the adaptability and stability of the transmission under complex working conditions, but also can optimize a multi-path power output structure, improve the power transmission efficiency, simplify the maintenance flow, reduce the manufacturing cost and the use cost, and improve the production efficiency and the comprehensive use cost on the basis of ensuring the operation quality and the operation continuity of the riding mini-tiller. The invention relates to an integrated transmission of a riding mini-tiller, which comprises a power input shaft, a first power transmission system and a second power transmission system, wherein the first power transmission system is connected with the power input shaft; The power input shaft is used for receiving output power of the power equipment, the first power transmission system comprises a first power driving gear set and a first power driven gear set, the first power driving gear set comprises a plurality of first power driving gear gears, and the f