CN110805663B - Tractor transmission device with modularized combination of different functions - Google Patents

Tractor transmission device with modularized combination of different functions Download PDF

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Publication number
CN110805663B
CN110805663B CN201911035394.3A CN201911035394A CN110805663B CN 110805663 B CN110805663 B CN 110805663B CN 201911035394 A CN201911035394 A CN 201911035394A CN 110805663 B CN110805663 B CN 110805663B
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China
Prior art keywords
gear
shaft
reverse
driven
power
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CN201911035394.3A
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Chinese (zh)
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CN110805663A (en
Inventor
康健
杨桂香
闻浩楠
柴景阳
王富凯
魏志宏
张想
姚立民
杨婉丽
王伟
姚海波
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First Tractor Co Ltd
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First Tractor Co Ltd
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Priority to CN201911035394.3A priority Critical patent/CN110805663B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
    • F16H3/22—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially
    • F16H3/24—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts coaxial
    • F16H3/26—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with gears shiftable only axially with driving and driven shafts coaxial and two or more additional shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/20—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear
    • F16H3/38—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially using gears that can be moved out of gear with synchro-meshing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
    • F16H2200/0091—Transmissions for multiple ratios characterised by the number of reverse speeds the gear ratios comprising three reverse speeds

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structure Of Transmissions (AREA)

Abstract

A tractor transmission of modular combination of different functions comprising: the device comprises a synchronous reversing transmission device module, a synchronous reversing +Hi-Lo power shifting transmission device module, a synchronous reversing +super crawling gear transmission device module, a power reversing +Hi-Lo power shifting transmission device module and a power reversing +super crawling gear transmission device module; the modules are independent and the parts are common. Six kinds of different function combination transmission device modules can form tractor drive trains with different functions and different gear numbers with the universal rear transmission case shell, so that the requirements of different users are met, meanwhile, the transmission device modules with different function combinations can realize the universal use of transmission case shell blanks and the universal use of most parts, the types of the tractor parts are effectively reduced, and the universalization degree of the tractor parts is improved.

Description

Tractor transmission device with modularized combination of different functions
Technical Field
The invention belongs to the field of tractors, and relates to a tractor transmission device with different modularized combinations of functions.
Background
At present, on various high and medium power tractors produced in China, the universalization and modularization degree of a gearbox are continuously improved, and in order to meet the requirements of different operations in different markets, the tractor transmission system is required to have various configurations, and the configurations such as synchronous reversing, power shifting, crawling gear and the like are required. In order to effectively reduce the manufacturing cost, it is highly desirable to develop a universal transmission case capable of realizing different functional combinations, and configuring modules with different functions including synchronous reversing, crawling gear, hi-Lo power shifting, power reversing or two-to-two combination to form a modularized combination of a transmission system, and meanwhile, the universality of a front case shell blank is ensured, and the manufacturing cost is effectively reduced.
At present, the domestic tractor drive system has lower module and universalization degree for realizing different functions, and generally needs to be provided with different drive modules for realizing different functions, for example, in order to realize synchronous reversing, power reversing, crawling gear and Hi-Lo power shifting functions or the combination of the two functions, some domestic manufacturers need to develop different boxes, and the universality of parts is very low.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a tractor transmission device capable of realizing modularized combination of different functions.
The invention adopts the following technical scheme to achieve the aim: a tractor transmission of modular combination of different functions comprising: the device comprises a synchronous reversing transmission device module, a synchronous reversing +Hi-Lo power shifting transmission device module, a synchronous reversing +super crawling gear transmission device module, a power reversing +Hi-Lo power shifting transmission device module and a power reversing +super crawling gear transmission device module; the synchronous reversing transmission device module, the synchronous reversing+Hi-Lo power shifting transmission device module, the synchronous reversing+super crawling gear transmission device module, the power reversing transmission device module, the power reversing+Hi-Lo power shifting transmission device module and the power reversing+super crawling gear transmission device module are independent and are universal; the synchronous reversing transmission module includes: the device comprises a main clutch shaft, a first driven shaft, an idler shaft, a first output shaft and a first power output shaft; a reverse first-stage driving gear, a reverse first-stage driven gear, a first reverse idle gear, a reverse second-stage driving gear, a reverse second-stage driven gear and a reversing synchronizer assembly; the driving clutch shaft, the first driven shaft and the idler shaft are spatially arranged and are parallel to each other; the rear part of the main clutch shaft is provided with a first output shaft which is concentric with the main clutch shaft; the main clutch shaft and the first output shaft are of hollow shaft structures; the first power output shaft penetrates through the main clutch shaft and the inside of the first output shaft; the main clutch shaft is sleeved with a reverse first-stage driving gear, a reverse second-stage driven gear and a reversing synchronizer assembly; a first reverse gear first driven gear and a second reverse gear driving gear are fixedly arranged on the first driven shaft, and a first reverse gear idler is sleeved on the idler shaft; the first reverse gear idler wheel is meshed with the first reverse gear primary driven gear; the reverse gear second-stage driving gear is meshed with the reverse gear second-stage driven gear; the first output shaft is coaxial with the main clutch shaft, and the clutch shaft is fixedly provided with a reversing synchronizer assembly; engagement of the reversing synchronizer assembly can be followed
The shaft slides left and right.
The synchronous reversing +Hi-Lo power shift transmission module comprises: the synchronous reversing module and the Hi-Lo power gear shifting module comprise two functional modules, wherein the synchronous reversing module comprises: the device comprises a main clutch shaft, a second driven shaft, an idler shaft, a reverse first-stage driving gear, a reverse first-stage driven gear, a first reverse idler, a reversing synchronizer assembly, a reverse second-stage driving gear and a reverse second-stage driven gear; the Hi-Lo power reversing module comprises: the clutch comprises a Hi-Lo clutch shaft, a first power output shaft, a Hi-Lo clutch assembly, a Lo gear driven gear and a Lo gear driving gear; the synchronous reversing module and the Hi-Lo power gear shifting module are arranged front and back; in the synchronous reversing module, a main clutch shaft, a second driven shaft and an idler shaft are arranged, and the three shafts are arranged in space and are parallel to each other; the rear part of the main clutch shaft is provided with a Hi-Lo clutch shaft and is concentric with the main clutch shaft; the main clutch shaft and the Hi-Lo clutch shaft are of hollow shaft structures; the first power output shaft penetrates through the inside of the main clutch shaft and the Hi-Lo clutch shaft; the main clutch shaft is sleeved with a reverse first-stage driving gear and a reverse second-stage driven gear, and is fixedly provided with a reversing synchronizer assembly; the second driven shaft is fixedly provided with a reverse first-stage driven gear and a reverse second-stage driving gear, and the idler shaft sleeve is provided with a first reverse idler; the first reverse gear idler wheel is meshed with the first reverse gear primary driven gear; the reverse gear second-stage driving gear is meshed with the reverse gear second-stage driven gear; the main clutch shaft is fixedly provided with a reversing synchronizer assembly; the meshing sleeves of the reversing synchronizer can slide left and right along the axial direction so as to respectively select and be combined with the connecting teeth on the adjacent gears; the Hi-Lo clutch shaft is provided with a Hi-Lo clutch assembly, the Hi-Lo clutch assembly is provided with a Lo gear driven gear, and the second driven shaft is provided with a Lo gear driving gear; the Hi-Lo clutch assembly adopts a double-clutch structure, and when the left Hi gear clutch is combined and the right Lo clutch is separated, the Hi gear is realized; and when the left Hi gear clutch is separated and the right Lo clutch is combined, the Lo gear is realized.
The synchronous reversing and super crawling transmission device module comprises: two functional modules, namely a synchronous reversing module and a super crawling gear module, are installed; the synchronous reversing module comprises: the device comprises a main clutch shaft, a second driven shaft, an idler shaft, a reverse first-stage driving gear, a reverse first-stage driven gear, a first reverse idler, a reversing synchronizer assembly, a reverse second-stage driving gear and a reverse second-stage driven gear; the super crawling gear module comprises: the device comprises a first power output shaft, a super crawling gear output shaft, a first crawling gear driving gear, a first crawling gear driven gear, a second crawling gear driving gear, a second crawling gear driven gear, a third crawling gear driving gear, a third crawling gear driven gear and a super crawling gear meshing sleeve piece; the synchronous reversing module and the super crawling gear module are arranged back and forth; in the synchronous reversing module, a main clutch shaft, a second driven shaft and an idler shaft are arranged, and the three shafts are arranged in space and are parallel to each other; the rear part of the main clutch shaft is provided with a super crawling gear output shaft which is coaxial with the main clutch shaft; the main clutch shaft and the super crawling gear output shaft are of hollow shaft structures, and the first power output shaft penetrates through the main clutch shaft and the super crawling gear output shaft; the main clutch shaft is sleeved with a reverse first-stage driving gear and a reverse second-stage driven gear, and is fixedly provided with a reversing synchronizer assembly; a reverse first-stage driven gear and a reverse second-stage driving gear are fixedly arranged on the second driven shaft; the idler shaft is sleeved with a first reverse idler; the first reverse gear idler wheel is meshed with the first reverse gear primary driven gear; the reverse gear second-stage driving gear is meshed with the reverse gear second-stage driven gear; the first-stage driving gear of the crawling gear is fixedly arranged on the second driven shaft, and the second-stage driven gear of the crawling gear and the third-stage driving gear of the crawling gear are combined into a duplex gear which is sleeved on the second driven shaft; the first-stage driven gear of the crawling gear and the second-stage driving gear of the crawling gear are combined into a duplex gear which is sleeved on the output shaft of the super crawling gear; the first-stage driving gear of the crawling gear is meshed with the first-stage driven gear of the crawling gear, the second-stage driving gear of the crawling gear is meshed with the second-stage driven gear of the crawling gear, and the third-stage driving gear of the crawling gear is meshed with the third-stage driven gear of the crawling gear; the super crawling gear meshing sleeve piece is fixedly arranged on the super crawling gear output shaft, and the meshing sleeve can slide left and right along the axial direction.
The power reversing transmission module includes: the device comprises a power reversing clutch shaft, a fourth driven shaft, a reverse gear idler shaft, a second output shaft, a second power output shaft, a power reversing clutch assembly, a reverse gear driving gear, a reverse gear driven gear, a forward gear driving gear, a forward gear driven gear, a second reverse gear idler, a driving gear and a driven gear; the power reversing clutch shaft, the fourth driven shaft and the reverse gear idler shaft are spatially arranged and are parallel to each other; the second output shaft is arranged at the rear part of the reversing clutch shaft and coaxially arranged with the power reversing clutch shaft, the second output shaft is of a hollow structure, and the second power output shaft is connected with the power reversing clutch shaft and penetrates through the second output shaft; the power reversing clutch shaft is sleeved with a reverse gear driving gear and a front gear driving gear and is fixedly provided with a power reversing clutch assembly; a reverse gear driven gear and a forward gear driven gear are fixedly arranged on the fourth driven shaft, and a second reverse gear idler wheel is sleeved on the reverse gear idler wheel shaft; the reverse gear driving gear is meshed with a second reverse gear idler gear, and the second reverse gear idler gear is meshed with a reverse gear driven gear; the forward gear driving gear is meshed with the forward gear driven gear; the driven gear is fixedly arranged on the second output shaft, the driving gear is fixedly arranged on the fourth driven shaft, and the driving gear is meshed with the driven gear; the power reversing shell is connected with the front box shell through screws.
The power reversing +Hi-Lo power shift transmission module comprises: the power reversing module and the Hi-Lo power gear shifting module are two functional modules; the power reversing module comprises: the device comprises a power reversing clutch shaft, a fifth driven shaft, a reverse gear idler shaft, a power reversing clutch assembly, a reverse gear driving gear, a reverse gear driven gear, a forward gear driving gear and a forward gear driven gear; the Hi-Lo power shift module includes: the device comprises a driving shaft, a Hi-Lo clutch output shaft, a second power output shaft, a Hi-Lo power shift clutch assembly, a Lo gear driving gear, a Lo gear driven gear, a driving gear and a driven gear; the power reversing module and the Hi-Lo power shifting module are arranged back and forth and are provided with a power reversing clutch shaft, a fifth driven shaft and a reverse gear idler shaft, and the three shafts are arranged in space and are parallel to each other; the rear part of the power reversing clutch shaft is provided with an output shaft and a Hi-Lo clutch output shaft, the Hi-Lo clutch output shaft is of a hollow structure and is coaxially arranged with the power reversing clutch shaft, the second power output shaft penetrates through the Hi-Lo clutch output shaft and is connected with the power reversing clutch shaft, and the driving shaft is coaxially connected with the fifth driven shaft; the power reversing clutch shaft is sleeved with a reverse gear driving gear and a forward gear driving gear and is fixedly provided with a power reversing clutch assembly; a reverse gear driven gear and a forward gear driven gear are fixedly arranged on the fifth driven shaft, and a reverse gear idler shaft is sleeved with a second reverse gear idler; the reverse gear driving gear is meshed with a second reverse gear idler gear, and the second reverse gear idler gear is meshed with a reverse gear driven gear; the forward gear driving gear is meshed with the forward gear driven gear; the Hi-Lo power shift module is arranged at the rear part of the power reversing module, in the Hi-Lo power shift transmission device, the driven gear is fixedly arranged on a Hi gear clutch hub on the Hi-Lo power shift clutch assembly, the driving gear is fixedly arranged on the driving shaft, the Lo gear driving gear is fixedly arranged on the driving shaft, and the Lo gear driven gear is fixedly arranged on a Lo gear clutch hub on the Hi-Lo power shift clutch assembly; the driving gear is meshed with the driven gear, and the Lo gear driving gear is meshed with the Lo gear driven gear; the power reversing shell is connected with the front box shell through screws.
The power reversing and super crawling gear transmission device module comprises two functional modules, namely a power reversing module and a super crawling gear; the power reversing module comprises: the device comprises a power reversing clutch shaft, a fifth driven shaft, a reverse idler shaft, a power reversing clutch assembly, a reverse driving gear, a reverse driven gear, a second reverse idler, a forward driving gear and a forward driven gear; the super crawling gear module comprises: the device comprises a second power output shaft, a super crawling gear driving shaft, a first crawling gear driving gear, a first crawling gear driven gear, a second crawling gear driving gear, a second crawling gear driven gear, a third crawling gear driving gear, a third crawling gear driven gear and a super crawling gear meshing sleeve piece; the power reversing and super crawling transmission module is arranged back and forth, and is provided with a power reversing clutch shaft, a fifth driven shaft and a reverse idler shaft which are arranged in space and are parallel to each other; the rear part is provided with a super crawling gear output shaft which is coaxially arranged with the power reversing clutch shaft, the super crawling gear output shaft is of a hollow structure, and a second power output shaft is coaxially connected with the power reversing clutch shaft and penetrates through the super crawling gear output shaft; the driving shaft of the super crawling gear is coaxially connected with the fifth driven shaft; the power reversing clutch shaft is sleeved with a reverse gear driving gear and a forward gear driving gear, a fifth driven shaft of the fixedly installed power reversing clutch assembly is fixedly provided with a reverse gear driven gear and a forward gear driven gear, and a reverse gear idler shaft is sleeved with a second reverse gear idler; the reverse gear driving gear is meshed with a second reverse gear idler gear, and the second reverse gear idler gear is meshed with a reverse gear driven gear; the forward gear driving gear is meshed with the forward gear driven gear; the super crawling gear module is arranged at the rear part of the power reversing module; in the super crawling gear transmission device, a first-stage driving gear of the crawling gear is fixedly arranged on a driving shaft of the super crawling gear, and a second-stage driven gear of the crawling gear and a third-stage driving gear of the crawling gear are combined into a duplex gear which is sleeved on the driving shaft of the super crawling gear; the first-stage driven gear of the crawling gear and the second-stage driving gear of the crawling gear are combined into a duplex gear which is sleeved on the output shaft of the super crawling gear; the driving gear is fixedly arranged on the driving shaft of the super crawling gear, and the driven gear is fixedly arranged on the engaging tooth seat in the meshing sleeve piece of the super crawling gear; the first-stage driving gear of the crawling gear is meshed with the first-stage driven gear of the crawling gear, the second-stage driving gear of the crawling gear is meshed with the second-stage driven gear of the crawling gear, the third-stage driving gear of the crawling gear is meshed with the third-stage driven gear of the crawling gear, and the driving gear is meshed with the driven gear; the super crawling gear meshing sleeve piece is fixedly arranged on the super crawling gear output shaft, and the meshing sleeve of the super crawling gear meshing sleeve piece can slide left and right along the axial direction so as to be respectively selected and combined with the connecting teeth on the adjacent gears; the power reversing shell is connected with the front box shell through screws.
The transmission device modules with six different functional configurations are universal in front case shell blank, and the three front case shells of the power reversing transmission device module, the power reversing +Hi-Lo power shifting transmission device module and the power reversing +super crawling gear transmission device module are universal in power reversing shell.
By adopting the technical scheme, the invention can achieve the following positive effects: six kinds of different function combination transmission device modules can form the tractor transmission system of different functions, different gear numbers with general back transmission case combination, satisfy different user's demand, and the general and most spare part of casing blank general can be realized to the transmission device module of different function combinations simultaneously, has effectively reduced the kind of spare part, has improved the degree of universalization of spare part.
Drawings
FIG. 1 is a schematic diagram of a synchronous reversing transmission module of a tractor transmission of the present invention in a modular combination of different functions;
FIG. 2 is a schematic diagram of a synchronous reversing +Hi-Lo power shift transmission module of a tractor transmission with modular combination of different functions according to the present invention;
FIG. 3 is a schematic diagram of the modular combination of different functions of the synchronous reversing and super crawling transmission of the tractor transmission of the present invention;
FIG. 4 is a schematic diagram of the power reversing transmission module of the tractor transmission of the different functional modular combinations of the present invention;
FIG. 5 is a schematic diagram of the power reversing +Hi-Lo power shift transmission module of the tractor transmission of the different functional modular combinations of the present invention;
Fig. 6 is a schematic diagram of a power reversing and super creeper gear transmission module of a tractor transmission module with different functional modules in combination.
Detailed Description
The invention is further described below with reference to the drawings and examples. As shown in fig. 1-6, a tractor transmission with a modular combination of different functions includes: the synchronous reversing transmission device comprises a synchronous reversing transmission device module B1, a synchronous reversing +Hi-Lo power shifting transmission device module B2, a synchronous reversing +super crawling transmission device module B3, a power reversing transmission device module B4, a power reversing +Hi-Lo power shifting transmission device module B5 and a power reversing +super crawling transmission device module B6.
Synchronous reversing transmission module B1: the three shafts are arranged in space and are parallel to each other, and are provided with a main clutch shaft S1, a first driven shaft S2 and a first idler shaft S3; the rear part of the main clutch shaft S1 is provided with a first output shaft S4 which is concentric with the main clutch shaft S1; the main clutch shaft S1 and the first output shaft S4 are of hollow shaft structures; the first power output shaft S5 passes through the main clutch shaft S1 and the first output shaft S4. The main clutch shaft S1 is sleeved with a reverse first-stage driving gear 1 and a reverse second-stage driven gear 5, and a reversing synchronizer assembly 6 is fixedly installed. The first driven shaft S2 is fixedly provided with a reverse first-stage driven gear 2 and a reverse second-stage driving gear 4, and the idler shaft S3 is sleeved with a first reverse idler gear 3. The first reverse idler gear 3 is meshed with the first reverse driven gear 2; the reverse gear secondary driving gear 4 is meshed with the reverse gear secondary driven gear 5. The first output shaft S4 is coaxial with the main clutch shaft S1, and engagement teeth of the reversing synchronizer 6 are fixedly mounted. The engagement sleeve of the reversing synchronizer 6 can slide left and right in the axial direction.
Synchronous reversing +Hi-Lo powershift transmission module B2: two functional modules of a synchronous reversing module and Hi-Lo power gear shifting are installed. The synchronous reversing module and the Hi-Lo power gear shifting module are arranged front and back. In the synchronous reversing module, a main clutch shaft S1, a second driven shaft S6 and an idler shaft S3 are arranged, and the three shafts are arranged in space and are parallel to each other; the rear part of the main clutch shaft S1 is provided with a Hi-Lo clutch shaft S7 which is coaxial with the main clutch shaft S1; the main clutch shaft S1 and the Hi-Lo clutch shaft S7 are hollow shaft structures; the first power output shaft S5 passes through the inside of the main clutch shaft S1 and the Hi-Lo clutch shaft S7. The main clutch shaft S1 is sleeved with a reverse first-stage driving gear 1 and a reverse second-stage driven gear 5, and is fixedly provided with a reversing synchronizer assembly 6. The second driven shaft S6 is fixedly provided with a reverse first-stage driven gear 2 and a reverse second-stage driving gear 4, and the idler shaft S3 is sleeved with a first reverse idler gear 3. The first reverse idler gear 3 is meshed with the first reverse driven gear 2; the reverse gear secondary driving gear 4 is meshed with the reverse gear secondary driven gear 5. The Hi-Lo clutch shaft S7 is fixedly provided with a sleeve for the reversing synchronizer 6. The sleeve of the reversing synchronizer 6 can slide left and right in the axial direction to select and engage with the connecting teeth on the adjacent gears, respectively. The Hi-Lo clutch shaft S7 is provided with a Hi-Lo power shift clutch assembly C1, the Hi-Lo power shift clutch assembly C1 is provided with a Lo gear driven gear 11, and the second driven shaft S6 is provided with a Lo gear driving gear 12. The Hi-Lo power shift clutch assembly C1 adopts a double-clutch structure, and when the left Hi gear clutch is combined and the right Lo clutch is separated, the Hi gear is realized; and when the left Hi gear clutch is separated and the right Lo clutch is combined, the Lo gear is realized.
Synchronous reversing and super crawling transmission device module B3: two functional modules of synchronous reversing and super crawling gear are installed, and the synchronous reversing module and the super crawling gear module are arranged back and forth. In the synchronous reversing module, a main clutch shaft S1, a second driven shaft S6 and an idler shaft S3 are arranged, and the three shafts are arranged in space and are parallel to each other; the rear part of the main clutch shaft S1 is provided with a super crawling gear output shaft S8 which is coaxial with the main clutch shaft S1; the main clutch shaft S1 and the super crawling gear output shaft S8 are of hollow shaft structures; the first power output shaft S5 passes through the main clutch shaft S1 and the super crawler output shaft S8. The main clutch shaft S1 is sleeved with a reverse first-stage driving gear 1 and a reverse second-stage driven gear 5, and is fixedly provided with a reversing synchronizer assembly 6. The second driven shaft S6 is fixedly provided with a reverse first-stage driven gear 2 and a reverse second-stage driving gear 4, and the idler shaft S3 is sleeved with a first reverse idler gear 3. The first reverse gear idler wheel 3 is meshed with the reverse gear driven gear 2; the reverse gear secondary driving gear 4 is meshed with the reverse gear secondary driven gear 5. The first-stage driving gear 14 of the crawling gear is fixedly arranged on the driven shaft S7, and the second-stage driven gear 17 of the crawling gear and the third-stage driving gear 13 of the crawling gear are combined into a duplex gear which is sleeved on the second driven shaft S6. The first-stage driven gear 15 of the crawling gear and the second-stage driving gear 16 of the crawling gear are combined into a duplex gear which is sleeved on the output shaft S8 of the super crawling gear. The first-stage driving gear 14 of the crawling gear is meshed with the first-stage driven gear 15 of the crawling gear, the second-stage driving gear 16 of the crawling gear is meshed with the second-stage driven gear 17 of the crawling gear, and the third-stage driving gear 13 of the crawling gear is meshed with the third-stage driven gear 19 of the crawling gear. The super creeper gear engaging sleeve member 18 is fixedly mounted on the super creeper gear output shaft S8, and the sleeve member is axially slidable left and right to be respectively selected and engaged with the connecting teeth on the adjacent gears.
Power reversing gear module B4: the three shafts above the reverse idler shaft S10 are arranged in space and are parallel to each other; the rear part of the power reversing clutch shaft S9 is provided with a second output shaft S12 and the power reversing clutch shaft S9 are coaxially arranged, the output shaft S12 is of a hollow structure, and the second power output shaft S13 is connected with the reversing clutch shaft S9 and penetrates through the second output shaft S12. The power reversing clutch shaft S9 is sleeved with a reverse gear driving gear 20, a forward gear driving gear 24 and a fixedly mounted power reversing clutch assembly C2. The fourth driven shaft S11 is fixedly provided with a reverse gear driven gear 21 and a forward gear driven gear 23, and a second reverse gear idler gear 22 is sleeved on the reverse gear idler shaft S10. The reverse gear driving gear 20 is meshed with a second reverse gear idler gear 22, and the second reverse gear idler gear 22 is meshed with a reverse gear driven gear 21; the forward drive gear 24 meshes with the forward driven gear 23. The first driven gear 25 is fixedly mounted on the second output shaft S12, the driving gear 26 is fixedly mounted on the fourth driven shaft S11, and the driving gear 26 is meshed with the first driven gear 25. The power reversing shell A2 is connected with the front box shell A1 through screws.
Power reversing + Hi-Lo power shift transmission module B5: the power reversing and Hi-Lo power shifting two functional modules are arranged. In the power reversing module, a power reversing clutch shaft S9, a fifth driven shaft S14 and a reverse idler shaft S10 are arranged in space and are parallel to each other; the rear part is provided with a second power output shaft S13, the second power output shaft S13 and a power reversing clutch shaft S9, a Hi-Lo clutch output shaft S16 are of hollow structures and are arranged coaxially with the power reversing clutch shaft S9, the first power output shaft S13 penetrates through the Hi-Lo clutch output shaft S16, and a driving shaft S15 and a fifth driven shaft S14 are coaxial and connected. The power reversing clutch shaft S9 is sleeved with a reverse gear driving gear 20, a forward gear driving gear 24 and a fixedly mounted power reversing clutch assembly C2. The fifth driven shaft S14 is fixedly provided with a reverse gear driven gear 21 and a forward gear driven gear 23, and the reverse gear idler shaft S10 is sleeved with a second reverse gear idler 22. The reverse gear driving gear 20 is meshed with a second reverse gear idler gear 22, and the second reverse gear idler gear 22 is meshed with a reverse gear driven gear 21; the forward drive gear 24 meshes with the forward driven gear 23. The Hi-Lo power shift module is arranged at the rear part of the power reversing module, in the Hi-Lo power shift transmission device, a driven gear 29 is fixedly arranged on a Hi gear clutch hub on a Hi-Lo power shift clutch assembly C1, a driving gear 26 is fixedly arranged on a driving shaft S15, a Lo gear driving gear 12 is fixedly arranged on the driving shaft S15, and a Lo gear driven gear 11 is fixedly arranged on a Lo gear clutch hub on the Hi-Lo power shift clutch assembly C1. The driving gear 26 is meshed with the driven gear 29, and the Lo gear driving gear 12 is meshed with the Lo gear driven gear 11. The power reversing shell A2 is connected with the front box shell A1 through screws.
Power reversing + super creeper gear transmission module B6: two functional modules of power reversing and super crawling gear are installed. In the power reversing module, a power reversing clutch shaft S9, a fifth driven shaft S14 and a reverse idler shaft S10 are arranged in space and are parallel to each other; the rear part is provided with a super crawling gear output shaft S8 which is coaxially arranged with the power reversing clutch shaft S9, the super crawling gear output shaft S8 is of a hollow structure, and a second power output shaft S13 is coaxially connected with the power reversing clutch shaft S9 and penetrates through the super crawling gear output shaft S8. The driving shaft S16 of the super crawling gear is coaxially connected with the driven shaft S14. The power reversing clutch shaft S9 is sleeved with a reverse gear driving gear 20 and a forward gear driving gear 24, and is fixedly provided with a power reversing clutch assembly C2. The fifth driven shaft S14 is fixedly provided with a reverse gear driven gear 21 and a forward gear driven gear 23, and the reverse gear idler shaft S10 is sleeved with a second reverse gear idler 22. The reverse gear driving gear 20 is meshed with a second reverse gear idler gear 22, and the second reverse gear idler gear 22 is meshed with a reverse gear driven gear 21; the forward drive gear 24 meshes with the forward driven gear 23. The super crawling gear module is arranged at the rear part of the power reversing module. In the super crawling gear transmission device, a crawling gear primary driving gear 14 is fixedly arranged on a super crawling gear driving shaft S17, and a crawling gear secondary driven gear 17 and a crawling gear tertiary driving gear 13 are combined into a duplex gear to be sleeved on the super crawling gear driving shaft S17. The first-stage driven gear 15 of the crawling gear and the second-stage driving gear 16 of the crawling gear are combined into a duplex gear which is sleeved on the output shaft S8 of the super crawling gear. The driving gear 26 is fixedly mounted on the driven shaft S17 of the secondary super-creeper gear, and the driven gear 29 is fixedly mounted on the engaging tooth holder in the gear-shifting engagement sleeve 18 of the super-creeper gear. The first-stage driving gear 14 of the crawling gear is meshed with the first-stage driven gear 15 of the crawling gear, the second-stage driving gear 16 of the crawling gear is meshed with the second-stage driven gear 17 of the crawling gear, the third-stage driving gear 13 of the crawling gear is meshed with the third-stage driven gear 19 of the crawling gear, and the driving gear 26 is meshed with the driven gear 29. The super-crawling gear meshing sleeve 18 is fixedly mounted on the super-crawling gear output shaft S8, and the meshing sleeve of the super-crawling gear meshing sleeve 18 can slide left and right along the axial direction to respectively select and be combined with the connecting teeth on the adjacent gears. The power reversing shell A2 is connected with the front box shell A1 through screws.
The power of the tractor is transmitted by the tractor transmission device in two paths, and the paths are as follows: synchronous reversing gear module B1, see fig. 1: the first power is transmitted from the first power output shaft S5 to the power output device to drive the power output shaft of the tractor.
The second power is transferred to the main transmission through the synchronous reverse transmission module B1.
The synchronous reversing gear module B1 can realize forward and reverse according to the state of the reversing synchronizer assembly 6 on the main clutch shaft S1, and the power transmission path is as follows: forward gear: the reversing synchronizer 6 slides rightward to be engaged with the connecting teeth of the first clutch output shaft S4, and power is transmitted from the main clutch shaft s1→the reversing synchronizer 6→the first clutch output shaft S4.
Reverse gear: the reversing synchronizer 6 slides leftwards to be combined with the connecting teeth of the first-stage reverse gear driving gear 1, and power is formed by a main clutch shaft S1, a first reverse gear idler gear 3, a first reverse gear driven gear 2, a first driven shaft S2, a second reverse gear driving gear 4, a second reverse gear driven gear 5 and a first output shaft S4.
Synchronous reverse +Hi-Lo powershift transmission module B2, see FIG. 2: the first power is transmitted from the first power output shaft S5 to the power output device to drive the power output shaft of the tractor.
The second power is transmitted to the main clutch shaft S1, and then transmitted from the main clutch shaft S1 to the Hi-Lo clutch shaft S7, and four gears can be realized according to the states of the reversing synchronizer assembly 6 and the Hi-Lo power shift clutch assembly C1, and the power transmission path of each gear is as follows: forward gear + Hi gear: the reversing synchronizer assembly 6 slides rightwards to be combined with Hi gear engaging teeth of the Hi-Lo power shifting clutch, hi gear in the Hi-Lo power shifting clutch assembly C1 is combined, and power is transmitted from a main clutch shaft S1 to the reversing synchronizer assembly 6 to Hi-Lo power shifting clutch assembly C1 to a Hi-Lo clutch shaft S7.
Reverse gear + Hi gear: the reversing synchronizer assembly 6 slides leftwards to be combined with the engagement teeth of the reverse first-stage driving gear 1, hi gear in the Hi-Lo power shifting clutch assembly C1 is combined, and power is formed by a main clutch shaft S1, a reverse first-stage driving gear 1, a first reverse idle gear 3, a reverse first-stage driven gear 2, a second driven shaft S6, a reverse second-stage driving gear 4, a reverse second-stage driven gear 5, a Hi-Lo power shifting clutch assembly C1 and a Hi-Lo clutch shaft S7.
Forward gear + Lo gear: the reversing synchronizer assembly 6 slides rightwards to be combined with Hi gear engaging teeth of the Hi-Lo power shifting clutch, the Lo gear in the Hi-Lo power shifting clutch assembly C1 is combined, and power is formed by a clutch driving shaft S1, the reversing synchronizer assembly 6, a reverse gear secondary driven gear 5, a reverse gear secondary driving gear 4, a second driven shaft S6, a Lo gear driving gear 12, a Lo gear driven gear 11 and a Hi-Lo clutch shaft S7.
Reverse gear + Lo gear: the reversing synchronizer assembly 6 slides leftwards to be combined with the engagement teeth of the reverse first-stage driving gear 1, the Lo gear in the Hi-Lo power shifting clutch assembly C1 is combined, and power is formed by a main clutch shaft S1, the reversing synchronizer assembly 6, the reverse first-stage driving gear 1, a first reverse idle gear 3, a reverse first-stage driven gear 2, a second driven shaft S6, a Lo gear driving gear 12, a Lo gear driven gear 11, the Hi-Lo power shifting clutch assembly C1 and a Hi-Lo clutch shaft S7.
Synchronous commutation + super creeper gear module B3, see fig. 3: the first power is transmitted from the first power output shaft S5 to the power output device to drive the power output shaft of the tractor.
The second path of power is transmitted to the main speed changing device through the synchronous reversing and super crawling transmission device.
The power is transmitted to the main clutch shaft S1, and then transmitted from the main clutch shaft S1 to the super crawling gear output shaft S8, four gears can be realized according to the states of the reversing synchronizer assembly 6 and the super crawling gear meshing sleeve assembly 18, and the power transmission path of each gear is as follows: forward gear + normal gear: the meshing sleeve on the reversing synchronizer assembly 6 slides rightwards to be combined with the engaging teeth of the reverse gear secondary driven gear 5, and the meshing sleeve on the super crawling gear meshing sleeve assembly 18 slides leftwards to be combined with the engaging teeth of the reverse gear secondary driven gear 5. The power is composed of a main clutch shaft S1, a reversing synchronizer assembly 6, a reverse gear secondary driven gear 5, a super crawling gear meshing sleeve assembly 18 and a super crawling gear output shaft S8.
Reverse gear + normal gear: the meshing sleeve on the reversing synchronizer assembly 6 slides leftwards to be combined with the engaging teeth on the reverse gear primary driving gear 1, and the meshing sleeve of the super crawling gear meshing sleeve 18 slides leftwards to be combined with the engaging teeth of the reverse gear secondary driven gear 5. The power comprises a main clutch shaft S1, a reversing synchronizer fitting 6, a reverse first-stage driving gear 1, a first reverse idle gear 3, a reverse first-stage driven gear 2, a driven shaft S6, a reverse second-stage driving gear 4, a reverse second-stage driven gear 5, a super crawling gear meshing fitting 18 and a super crawling gear output shaft S8.
Forward gear + super creeper gear: the meshing sleeve on the reversing synchronizer assembly 6 slides rightwards to be combined with the engaging teeth of the reverse gear secondary driven gear 5, and the meshing sleeve of the super crawling gear meshing sleeve 18 slides rightwards to be combined with the engaging teeth of the crawling gear tertiary driven gear 19. The power comprises a main clutch S1, a reversing synchronizer 6, a reverse gear second-stage driven gear 5, a driven shaft S6, a crawling gear first-stage driving gear 14, a crawling gear first-stage driven gear 15, a crawling gear second-stage driving gear 16, a crawling gear second-stage driven gear 17, a crawling gear third-stage driving gear 13, a crawling gear third-stage driven gear 19, a super crawling gear meshing sleeve 18 and a super crawling gear output shaft S8.
Reverse gear + super creeper gear: the meshing sleeve on the reversing synchronizer assembly 6 slides leftwards to be combined with the engaging teeth on the reverse gear primary driving gear 1, and the meshing sleeve of the super crawling gear meshing sleeve 18 slides rightwards to be combined with the engaging teeth of the crawling gear tertiary driven gear 19. The power comprises a main clutch shaft S1, a reversing synchronizer assembly 6, a reverse gear primary driving gear 1, a first reverse gear idler gear 3, a reverse gear primary driven gear 2, a driven shaft S6, a crawling gear primary driving gear 14, a crawling gear primary driven gear 15, a crawling gear secondary driving gear 16, a crawling gear secondary driven gear 17, a crawling gear tertiary driving gear 13, a crawling gear tertiary driven gear 19, a super crawling gear meshing sleeve 18 and a super crawling gear output shaft S8.
Power reversing gear module B4, see fig. 4: the first power is transmitted from the power reversing clutch shaft S9 to the power output shaft S13 and then to the power output device to drive the power output shaft of the tractor.
The second path of power is transmitted to the main speed changing device through the power reversing device.
The power is transmitted to the power reversing clutch shaft S9, then transmitted to the fourth driven shaft S11 and then transmitted to the second output shaft S12, and two forward and reverse gears are realized according to the combination state of the power reversing clutch assembly C2, and the power transmission path of each gear is as follows: forward gear: the power steering clutch assembly C2F is combined, and the power steering clutch shaft S9, the power steering clutch assembly C2, the forward gear driving gear 24, the forward gear driven gear 23, the fourth driven shaft S11, the driving gear 26, the first driven gear 25 and the second output shaft S12 are combined.
Reverse gear: the power reversing clutch assembly C2R is combined, the power reversing clutch shaft S9 is combined, the power reversing clutch assembly C2 is combined, the reverse gear driving gear 20 is combined, the second reverse gear idler gear 22 is combined, the reverse gear driven gear 21 is combined, the fourth driven shaft S11 is combined, the driving gear 26 is combined, the first driven gear 25 is combined, and the second output shaft S12 is combined.
Power reversing + Hi-Lo power shift transmission module B5, see fig. 5:
The power is transmitted to the power reversing clutch shaft S9, then transmitted to the fifth driven shaft S14 and finally transmitted to the Hi-Lo clutch output shaft S16, four gears are realized according to the combination state of the power reversing clutch assembly C2 and the Hi-Lo power shifting clutch assembly C1, and the power transmission path of each gear is as follows: forward gear + Hi gear: the power reversing clutch assembly C2F is engaged on the gear side, and the Hi-Lo power shifting clutch is engaged on the gear side. The power reversing clutch shaft S9, the power reversing clutch assembly C2, the forward gear driving gear 24, the forward gear driven gear 23, the fifth driven shaft S14, the Hi-Lo driving shaft S15, the driving gear 26, the second driven gear 29, the Hi-Lo power shifting clutch assembly C1 and the Hi-Lo clutch output shaft S16.
Reverse gear + Hi gear: the power reversing clutch assembly C2R is engaged on the gear side, and the Hi-Lo power shifting clutch is engaged on the gear side. The power reversing clutch shaft S9, the power reversing clutch assembly C2, the reverse gear driving gear 20, the second reverse gear idler gear 22, the reverse gear driven gear 21, the fifth driven shaft S14, the Hi-Lo driving shaft S15, the driving gear 26, the second driven gear 29, the Hi-Lo power shifting clutch assembly C1 and the Hi-Lo clutch output shaft S16.
Forward gear + Lo gear: the power reversing clutch assembly C2F is combined with the gear side, and the Hi-Lo power shifting clutch Lo is combined with the gear side. The power reversing clutch shaft S9, the power reversing clutch assembly C2, the forward gear driving gear 24, the forward gear driven gear 23, the fifth driven shaft S14, the Hi-Lo driving shaft S15, the Lo gear driving gear 12, the Lo gear driven gear 11, the Hi-Lo power shifting clutch assembly C1 and the Hi-Lo clutch output shaft S16.
Reverse gear + Lo gear: the power reversing clutch assembly C2R gear and the Hi-Lo power shifting clutch Lo gear side are combined. The power reversing clutch shaft S9, the power reversing clutch assembly C2, the reverse gear driving gear 20, the second reverse gear idler gear 22, the reverse gear driven gear 21, the fifth driven shaft S14, the Hi-Lo driving shaft S15, the Lo gear driving gear 12, the Lo gear driven gear 11, the Hi-Lo power shifting clutch assembly C1 and the Hi-Lo clutch output shaft S16.
Power reversing + super creeper gear transmission module B6, see fig. 6: the power is transmitted to the power reversing clutch shaft S9, then transmitted to the fifth driven shaft S14 and finally transmitted to the super-crawling gear output shaft S8, and four power reversing clutch assemblies C2 and the super-crawling gear meshing sleeve assembly 18 are realized according to the combination state
The power transmission path of each gear is as follows: forward gear + normal gear: the power steering clutch pack C2F is engaged on the gear side and the sleeve of the super crawler gear engaging sleeve 18 is slid leftward to engage with the engaging teeth of the second driven gear 29. The power reversing clutch shaft S9, the power reversing clutch assembly C2, the forward gear driving gear 24, the forward gear driven gear 23, the fifth driven shaft S14, the super crawling gear driving shaft S17, the driving gear 26, the second driven gear 29, the super crawling gear meshing assembly 18 and the super crawling gear output shaft S8.
Reverse gear + normal gear: the power steering clutch pack C2R is engaged on the gear side, and the sleeve of the super crawler gear engaging sleeve 18 is slid leftward to engage with the engaging teeth of the second driven gear 29. The power reversing clutch shaft S9, the power reversing clutch assembly C2, the reverse gear driving gear 20, the second reverse gear idler gear 22, the reverse gear driven gear 21, the fifth driven shaft S14, the super crawling gear driving shaft S17, the driving gear 26, the second driven gear 29, the super crawling gear meshing assembly 18 and the super crawling gear output shaft S8.
Forward gear + super creeper gear: the power reversing clutch assembly C2F is engaged on the gear side, and the sleeve of the super creeper gear engaging sleeve assembly 18 slides rightward to engage with the engaging teeth of the creeper gear three-stage driven gear 19. The power reversing clutch shaft S9, the power reversing clutch assembly C2, the forward gear driving gear 24, the forward gear driven gear 23, the fifth driven shaft S14, the super crawling gear driving shaft S17, the crawling gear primary driving gear 14, the crawling gear primary driven gear 15, the crawling gear secondary driving gear 16, the crawling gear secondary driven gear 17, the crawling gear tertiary driving gear 13, the crawling gear tertiary driven gear 19, the super crawling gear meshing sleeve 18 and the super crawling gear output shaft S8.
Reverse gear + super creeper gear: the power reversing clutch assembly C2R is combined with the gear side, and the meshing sleeve of the super crawling gear meshing sleeve assembly 18 slides rightwards to be combined with the engaging teeth of the crawling gear three-stage driven gear 19. The power reversing clutch shaft S9, the power reversing clutch assembly C2, the reverse gear driving gear 20, the second reverse gear idler gear 22, the reverse gear driven gear 21, the fifth driven shaft S14, the super crawling gear driving shaft S17, the crawling gear primary driving gear 14, the crawling gear primary driven gear 15, the crawling gear secondary driving gear 16, the crawling gear secondary driven gear 17, the crawling gear tertiary driving gear 13, the crawling gear tertiary driven gear 19, the super crawling gear meshing sleeve 18 and the super crawling gear output shaft S8.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the whole of the present invention, but it is to be understood that the present invention is described in detail with reference to the foregoing embodiment, and that modifications in form or equivalents of some of the technical features described in the foregoing embodiment may be made by those skilled in the art. Modifications, equivalents, and the like, which are all intended to be included within the spirit and scope of the present invention, are intended to be included within the scope of the present invention.

Claims (1)

1. A tractor transmission of modular combination of different functions comprising: the device comprises a synchronous reversing transmission device module (B1), a synchronous reversing +Hi-Lo power shifting transmission device module (B2), a synchronous reversing +super crawling gear transmission device module (B3), a power reversing transmission device module (B4), a power reversing +Hi-Lo power shifting transmission device module (B5) and a power reversing +super crawling gear transmission device module (B6); the method is characterized in that: the synchronous reversing transmission device module (B1), the synchronous reversing+Hi-Lo power shifting transmission device module (B2), the synchronous reversing+super crawling transmission device module (B3), the power reversing transmission device module (B4), the power reversing+Hi-Lo power shifting transmission device module (B5) and the power reversing+super crawling transmission device module (B6) are independent, and all the parts are universal; the synchronous reversing transmission module (B1) comprises: a main clutch shaft (S1), a first driven shaft (S2), an idler shaft (S3), a first output shaft (S4) and a first power output shaft (S5); a reverse first-stage driving gear (1), a reverse first-stage driven gear (2), a first reverse idle gear (3), a reverse second-stage driving gear (4), a reverse second-stage driven gear (5) and a reversing synchronizer assembly (6); the three shafts of the main clutch shaft (S1), the first driven shaft (S2) and the idler shaft (S3) are spatially arranged and are parallel to each other; the rear part of the main clutch shaft (S1) is provided with a first output shaft S4 which is concentric with the main clutch shaft (S1); the main clutch shaft (S1) and the first output shaft (S4) are of hollow shaft structures; the first power output shaft (S5) penetrates through the main clutch shaft (S1) and the first output shaft (S4); the main clutch shaft (S1) is sleeved with a reverse first-stage driving gear (1) and a reverse second-stage driven gear (5) and is fixedly provided with a reversing synchronizer assembly (6); a first reverse gear idler wheel (3) is sleeved on the idler wheel shaft (S3); the first reverse gear idler wheel (3) is meshed with the first reverse gear primary driven gear (2); the reverse gear secondary driving gear (4) is meshed with the reverse gear secondary driven gear (5); the first output shaft (S4) is coaxial with the main clutch shaft (S1), and the clutch shaft (S1) is fixedly provided with a reversing synchronizer assembly (6); the meshing sleeve of the reversing synchronizer assembly (6) can slide left and right along the axial direction; the synchronous reverse +Hi-Lo powershift transmission module (B2) includes: the synchronous reversing module and the Hi-Lo power gear shifting module comprise two functional modules, wherein the synchronous reversing module comprises: the gear transmission device comprises a main clutch shaft (S1), a second driven shaft (S6), an idler shaft (S3), a reverse first-stage driving gear (1), a reverse first-stage driven gear (2), a first reverse idler (3), a reversing synchronizer assembly (6), a reverse second-stage driving gear (4) and a reverse second-stage driven gear (5); the Hi-Lo power reversing module comprises: a Hi-Lo clutch shaft (S7), a first power output shaft (S5), a Hi-Lo clutch assembly (C1), a Lo gear driven gear (11) and a Lo gear driving gear (12); the synchronous reversing module and the Hi-Lo power gear shifting module are arranged front and back; in the synchronous reversing module, a main clutch shaft (S1), a second driven shaft (S6) and an idler shaft (S3) are arranged in a space, and are parallel to each other; the rear part of the main clutch shaft (S1) is provided with a Hi-Lo clutch shaft (S7) and is concentric with the main clutch shaft (S1); the main clutch shaft (S1) and the Hi-Lo clutch shaft (S7) are of hollow shaft structures; the first power output shaft (S5) penetrates through the inside of the main clutch shaft (S1) and the Hi-Lo clutch shaft (S7); the main clutch shaft (S1) is sleeved with a reverse first-stage driving gear (1) and a reverse second-stage driven gear (5), and is fixedly provided with a reversing synchronizer assembly (6); a reverse first-stage driven gear (2) and a reverse second-stage driving gear (4) are fixedly arranged on the second driven shaft (S6), and a first reverse idler (3) is sleeved on the idler shaft (S3); the first reverse gear idler wheel (3) is meshed with the first reverse gear primary driven gear (2); the reverse gear secondary driving gear (4) is meshed with the reverse gear secondary driven gear (5); a reversing synchronizer assembly (6) is fixedly arranged on the main clutch shaft (S1); the meshing sleeve of the reversing synchronizer assembly (6) can slide left and right along the axial direction so as to respectively select and be combined with the connecting teeth on the adjacent gears; a Hi-Lo clutch assembly (C1) is arranged on the Hi-Lo clutch shaft (S7), a Lo gear driven gear (11) is arranged on the Hi-Lo clutch assembly (C1), and a Lo gear driving gear (12) is arranged on the second driven shaft (S6); the Hi-Lo clutch assembly (C1) adopts a double clutch structure; the synchronous reversing and super crawling gear transmission device module (B3) is provided with two functional modules, namely a synchronous reversing module and a super crawling gear module; the synchronous reversing module comprises: the gear comprises a main clutch shaft (S1), a second driven shaft (S6), an idler shaft (S3), a reverse first-stage driving gear (1), a reverse first-stage driven gear (2), a first reverse idler (3), a reversing synchronizer assembly (6), a reverse second-stage driving gear (4) and a reverse second-stage driven gear (5); the super crawling gear module comprises: the first power output shaft (S5), the super crawling gear output shaft (S8), the crawling gear primary driving gear (14), the crawling gear primary driven gear (15), the crawling gear secondary driving gear (16), the crawling gear secondary driven gear (17), the crawling gear tertiary driving gear (13), the crawling gear tertiary driven gear (19) and the super crawling gear meshing sleeve piece (18); the synchronous reversing module and the super crawling gear module are arranged back and forth; in the synchronous reversing module, a main clutch shaft (S1), a second driven shaft (S6) and an idler shaft (S3) are arranged in a space, and are parallel to each other; the rear part of the main clutch shaft (S1) is provided with a super crawling gear output shaft (S8) which is coaxial with the main clutch shaft (S1); the main clutch shaft (S1) and the super crawling gear output shaft (S8) are of hollow shaft structures; the first power output shaft (S5) penetrates through the main clutch shaft (S1) and the super crawling gear output shaft (S8); the main clutch shaft (S1) is sleeved with a reverse first-stage driving gear (1) and a reverse second-stage driven gear (5), and is fixedly provided with a reversing synchronizer assembly (6); a reverse first-stage driven gear (2) and a reverse second-stage driving gear (4) are fixedly arranged on the second driven shaft (S6); the idler shaft (S3) is sleeved with a first reverse idler (3); the first reverse gear idler wheel (3) is meshed with the first reverse gear primary driven gear (2); the reverse gear secondary driving gear (4) is meshed with the reverse gear secondary driven gear (5); the first-stage driving gear (14) of the crawling gear is fixedly arranged on the second driven shaft (S6), and the second-stage driven gear (17) of the crawling gear and the third-stage driving gear (13) of the crawling gear are combined into a duplex gear which is sleeved on the second driven shaft (S6); the first-stage driven gear (15) of the crawling gear and the second-stage driving gear (16) of the crawling gear are combined into a duplex gear which is sleeved on the output shaft (S8) of the super crawling gear; the first-stage driving gear (14) of the crawling gear is meshed with the first-stage driven gear (15) of the crawling gear, the second-stage driving gear (16) of the crawling gear is meshed with the second-stage driven gear (17) of the crawling gear, and the third-stage driving gear (13) of the crawling gear is meshed with the third-stage driven gear (19) of the crawling gear; the super crawling gear meshing sleeve piece (18) is fixedly arranged on the super crawling gear output shaft (S8), and the meshing sleeve can slide left and right along the axial direction; the power reversing transmission module (B4) comprises: a power reversing clutch shaft (S9), a fourth driven shaft (S11), a reverse gear idler shaft (S10), a second output shaft (S12), a second power output shaft (S13), a power reversing clutch assembly (C2), a reverse gear driving gear (20), a reverse gear driven gear (21), a forward gear driving gear (24), a forward gear driven gear (23), a second reverse gear idler gear (22), a driving gear (26) and a first driven gear (25); a power reversing clutch shaft (S9), a fourth driven shaft (S11), a reverse idler shaft (S10), and the three shafts are spatially arranged and parallel to each other; a second output shaft (S12) is arranged at the rear part of the reversing clutch shaft (S9) and is coaxially arranged with the power reversing clutch shaft (S9), the second output shaft (S12) is of a hollow structure, and a second power output shaft (S13) is connected with the power reversing clutch shaft (S9) and penetrates through the second output shaft (S12); a reverse gear driving gear (20) and a forward gear driving gear (24) are sleeved on the power reversing clutch shaft (S9) and a power reversing clutch assembly (C2) is fixedly installed; a reverse gear driven gear (21) and a forward gear driven gear (23) are fixedly arranged on the fourth driven shaft (S11), and a reverse gear idler shaft (S10) is sleeved with a second reverse gear idler (22); the reverse gear driving gear (20) is meshed with a second reverse gear idler gear (22), and the second reverse gear idler gear (22) is meshed with a reverse gear driven gear (21); the forward gear driving gear (24) is meshed with the forward gear driven gear (23); the first driven gear (25) is fixedly arranged on the second output shaft (S12), the driving gear (26) is fixedly arranged on the fourth driven shaft (S11), and the driving gear (26) is meshed with the first driven gear (25); the power reversing shell (A2) is connected with the front box shell (A1) through screws; the power reversing +Hi-Lo powershift transmission module (B5) includes: the power reversing module and the Hi-Lo power gear shifting module are two functional modules; the power reversing module comprises: a power reversing clutch shaft (S9), a fifth driven shaft (S14), a reverse gear idler shaft (S10), a power reversing clutch assembly (C2), a reverse gear driving gear (20), a reverse gear driven gear (21), a forward gear driving gear (24) and a forward gear driven gear (23); the Hi-Lo power shift module includes: the power transmission device comprises a driving shaft (S15), a Hi-Lo clutch output shaft (S16), a second power output shaft (S13), a Hi-Lo power shift clutch assembly (C1), a Lo gear driving gear (12), a Lo gear driven gear (11), a driving gear (26) and a second driven gear (29); the power reversing module and the Hi-Lo power shifting module are arranged back and forth and are provided with a power reversing clutch shaft (S9), a fifth driven shaft (S14) and a reverse gear idler shaft (S10), and the three shafts are arranged in space and are parallel to each other; the rear part of the power reversing clutch shaft (S9) is provided with a second power output shaft (S13) and a Hi-Lo clutch output shaft (S16), the Hi-Lo clutch output shaft (S16) is of a hollow structure and is coaxially arranged with the power reversing clutch shaft (S9), the second power output shaft (S13) passes through the Hi-Lo clutch output shaft (S16) and is connected with the power reversing clutch shaft (S9), and the driving shaft (S15) is coaxial with and connected with the fifth driven shaft (S14); a reverse gear driving gear (20) and a forward gear driving gear (24) are sleeved on the power reversing clutch shaft (S9) and a power reversing clutch assembly (C2) is fixedly installed; a reverse gear driven gear (21) and a forward gear driven gear (23) are fixedly arranged on the fifth driven shaft (S14), and a reverse gear idler shaft (S10) is sleeved with a second reverse gear idler (22); the reverse gear driving gear (20) is meshed with a second reverse gear idler gear (22), and the second reverse gear idler gear (22) is meshed with a reverse gear driven gear (21); the forward gear driving gear (24) is meshed with the forward gear driven gear (23); the Hi-Lo power shift module is arranged at the rear part of the power reversing module, in the Hi-Lo power shift transmission device, a second driven gear (29) is fixedly arranged on a Hi gear clutch hub on a Hi-Lo power shift clutch assembly (C1), a driving gear (26) is fixedly arranged on a driving shaft (S15), a Lo gear driving gear (12) is fixedly arranged on the driving shaft (S15), and a Lo gear driven gear (11) is fixedly arranged on a Lo gear clutch hub on the Hi-Lo power shift clutch assembly (C1); the driving gear (26) is meshed with the second driven gear (29), and the Lo gear driving gear (12) is meshed with the Lo gear driven gear (11); the power reversing shell (A2) is connected with the front box shell (A1) through screws; the power reversing and super crawling gear transmission device module (B6) comprises two functional modules, namely a power reversing module and a super crawling gear module; the power reversing module comprises: a power reversing clutch shaft (S9), a fifth driven shaft (S14), a reverse gear idler shaft (S10), a power reversing clutch assembly (C2), a reverse gear driving gear (20), a reverse gear driven gear (21), a second reverse gear idler gear (22), a forward gear driving gear (24) and a forward gear driven gear (23); the super crawling gear module comprises: the second power output shaft (S13), the super crawling gear output shaft (S8), the super crawling gear driving shaft (S17), the crawling gear primary driving gear (14), the crawling gear primary driven gear (15), the crawling gear secondary driving gear (16), the crawling gear secondary driven gear (17), the crawling gear tertiary driving gear (13), the crawling gear tertiary driven gear (19) and the super crawling gear meshing sleeve piece (18); the power reversing and super crawling transmission module is arranged front and back, a power reversing clutch shaft (S9), a fifth driven shaft (S14), a reverse idler shaft (S10) are arranged in a space, and the three shafts are parallel to each other; the rear part is provided with a super crawling gear output shaft (S8), the super crawling gear output shaft (S8) is coaxially arranged with the power reversing clutch shaft (S9), the super crawling gear output shaft (S8) is of a hollow structure, and a second power output shaft (S13) is coaxially connected with the power reversing clutch shaft (S9) and penetrates through the super crawling gear output shaft (S8); the driving shaft (S17) of the super crawling gear is coaxially connected with the fifth driven shaft (S14); a reverse gear driving gear (20) and a forward gear driving gear (24) are sleeved on the power reversing clutch shaft (S9), a reverse gear driven gear (21) and a forward gear driven gear (23) are fixedly installed on a fifth driven shaft (S14) of the fixedly installed power reversing clutch assembly (C2), and a reverse gear idler shaft (S10) is sleeved with a second reverse gear idler (22); a reverse gear driving gear (20) meshed with a second reverse gear idler gear (22), wherein the second reverse gear idler gear (22) is meshed with a reverse gear driven gear (21); the forward gear driving gear (24) is meshed with the forward gear driven gear (23); the super crawling gear module is arranged at the rear part of the power reversing module; in the super crawling gear transmission device, a first-stage driving gear (14) of the crawling gear is fixedly arranged on a driving shaft (S17) of the super crawling gear, and a second-stage driven gear (17) of the crawling gear and a third-stage driving gear (13) of the crawling gear are combined into a duplex gear which is sleeved on the driving shaft (S17) of the super crawling gear; the first-stage driven gear (15) of the crawling gear and the second-stage driving gear (16) of the crawling gear are combined into a duplex gear which is sleeved on the output shaft (S8) of the super crawling gear; the driving gear (26) is fixedly arranged on the driving shaft (S17) of the super crawling gear, and the second driven gear (29) is fixedly arranged on the engaging tooth seat in the meshing sleeve piece (18) of the super crawling gear; the first-stage driving gear (14) of the crawling gear is meshed with the first-stage driven gear (15) of the crawling gear, the second-stage driving gear (16) of the crawling gear is meshed with the second-stage driven gear (17) of the crawling gear, the third-stage driving gear (13) of the crawling gear is meshed with the third-stage driven gear (19) of the crawling gear, and the driving gear (26) is meshed with the second driven gear (29); the super crawling gear meshing sleeve piece (18) is fixedly arranged on the super crawling gear output shaft (S8), and the meshing sleeve of the super crawling gear meshing sleeve piece (18) can slide left and right along the axial direction so as to respectively select and be combined with the connecting teeth on the adjacent gears; the power reversing shell (A2) is connected with the front box shell (A1) through screws.
CN201911035394.3A 2019-10-29 2019-10-29 Tractor transmission device with modularized combination of different functions Active CN110805663B (en)

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CN110805663B true CN110805663B (en) 2024-05-24

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB853207A (en) * 1957-10-19 1960-11-02 Schlepperwerk Nordhausen Veb Multi-speed motor vehicle change-speed gear especially for agricultural tractors
CN103912638A (en) * 2014-04-30 2014-07-09 第一拖拉机股份有限公司 Gearbox with crawling block and retrograde device for tractor
CN103925346A (en) * 2014-03-24 2014-07-16 第一拖拉机股份有限公司 Synchronous reversing belt crawling-gear gearbox of tractor
CN203822966U (en) * 2014-04-30 2014-09-10 第一拖拉机股份有限公司 Gearbox provided with crawling gear and retrograding device for tractor
CN211449534U (en) * 2019-10-29 2020-09-08 第一拖拉机股份有限公司 Tractor transmission device capable of realizing modular combination of different functions

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB853207A (en) * 1957-10-19 1960-11-02 Schlepperwerk Nordhausen Veb Multi-speed motor vehicle change-speed gear especially for agricultural tractors
CN103925346A (en) * 2014-03-24 2014-07-16 第一拖拉机股份有限公司 Synchronous reversing belt crawling-gear gearbox of tractor
CN103912638A (en) * 2014-04-30 2014-07-09 第一拖拉机股份有限公司 Gearbox with crawling block and retrograde device for tractor
CN203822966U (en) * 2014-04-30 2014-09-10 第一拖拉机股份有限公司 Gearbox provided with crawling gear and retrograding device for tractor
CN211449534U (en) * 2019-10-29 2020-09-08 第一拖拉机股份有限公司 Tractor transmission device capable of realizing modular combination of different functions

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