CN110805663A - Tractor transmission device capable of realizing modular combination of different functions - Google Patents

Tractor transmission device capable of realizing modular combination of different functions Download PDF

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Publication number
CN110805663A
CN110805663A CN201911035394.3A CN201911035394A CN110805663A CN 110805663 A CN110805663 A CN 110805663A CN 201911035394 A CN201911035394 A CN 201911035394A CN 110805663 A CN110805663 A CN 110805663A
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China
Prior art keywords
gear
shaft
driven
reverse
power
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CN201911035394.3A
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Chinese (zh)
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CN110805663B (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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    • 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

Realize tractor transmission of different function modularization combinations, include: 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 from each other, and the contained parts are universal. The six different function combination transmission device modules can be combined with the universal rear transmission case to form tractor transmission systems with different functions and different gear numbers so as to meet the requirements of different users, meanwhile, the transmission device modules with different function combinations can realize the universality of blanks of the transmission case and the universality of most parts, the types of parts of the tractor are effectively reduced, and the generalization degree of the parts of the tractor is improved.

Description

Tractor transmission device capable of realizing modular combination of different functions
Technical Field
The invention belongs to the field of tractors, and relates to a tractor transmission device capable of realizing modular combination of different functions.
Background
At present, on various domestic high and medium power tractors, the universalization and the modularization degree of a gearbox are continuously improved, in order to meet the requirements of different operations in different markets, a tractor transmission system is required to have multiple configurations, and the configurations such as synchronous reversing, power shifting and crawling shifting are all required. In order to effectively reduce the manufacturing cost, a universal transmission case capable of realizing different function combinations needs to be developed urgently, modules with different functions are configured to include synchronous reversing, crawling gear, Hi-Lo power gear shifting, power reversing or pairwise combination, the modular combination of a transmission system is formed, meanwhile, the universality of a front case shell blank is guaranteed, and the manufacturing cost is effectively reduced.
At present, the modules with different functions of the domestic tractor transmission system are low in generalization degree, different transmission modules are generally required to be configured to realize different functions, for example, different box bodies are required to be developed by domestic manufacturers to realize the functions of synchronous reversing, power reversing, crawling gear and Hi-Lo power gear shifting or the combination of the two functions, and the part universality is low.
Disclosure of Invention
In order to overcome the defects, the invention aims to provide a tractor transmission device capable of realizing different functional modular combinations.
The invention adopts the following technical scheme to achieve the aim: realize tractor transmission of different function modularization combinations, include: 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 + Hi-Lo power shifting transmission device module and the power reversing + super crawling gear transmission device module are independent respectively, and contained parts are universal; the synchronous reversing transmission module comprises: the device comprises a main clutch shaft, a first driven shaft, an idler shaft, a first output shaft and a power output shaft; the reversing synchronizer assembly comprises a reversing primary driving gear, a reversing primary driven gear, a first reversing idler gear, a reversing secondary driving gear, a reversing secondary driven gear and a reversing synchronizer assembly; the main clutch shaft, the first driven shaft and the idler shaft are arranged in space 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 both of hollow shaft structures; the power output shaft penetrates through the main clutch shaft and the first output shaft; the main clutch shaft is sleeved with a reverse gear primary driving gear and a reverse gear secondary driven gear and is fixedly provided with a reversing synchronizer assembly; a reverse gear primary driven gear and a reverse gear secondary driving gear are fixedly arranged on the first driven shaft, and a first reverse gear idle gear is sleeved on an idle gear shaft; the first reverse gear idle gear is meshed with the first reverse gear driven gear; the reverse gear secondary driving gear is meshed with the reverse gear secondary driven gear; the first output shaft is coaxial with the main clutch shaft, and a reversing synchronizer assembly is fixedly arranged on the clutch shaft; the meshing sleeve of the reversing synchronizer assembly can slide left and right along the axial direction.
Synchronous switching-over + Hi-Lo power transmission module of shifting includes: synchronous switching-over module and two functional modules of Hi-Lo power shift module, synchronous switching-over module includes: the reversing synchronizer assembly comprises a main clutch shaft, a second driven shaft, an idler shaft, a reverse gear primary driving gear, a reverse gear primary driven gear, a first reverse gear idler, a reversing synchronizer assembly, a reverse gear secondary driving gear and a reverse gear secondary driven gear; the Hi-Lo power reversing module comprises: the clutch comprises a Hi-Lo clutch shaft, a 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 shifting module are arranged in front and at the back; a main clutch shaft, a second driven shaft and an idler shaft are arranged in the synchronous reversing module, and the three shafts are spatially arranged and are mutually parallel; the rear part of the main clutch shaft is provided with a Hi-Lo clutch shaft which is concentric with the main clutch shaft; the main clutch shaft and the Hi-Lo clutch shaft are both of hollow shaft structures; the power output shaft penetrates through the main clutch shaft and the Hi-Lo clutch shaft; a reverse gear primary driving gear and a reverse gear secondary driven gear are sleeved on the main clutch shaft, and a reversing synchronizer assembly is fixedly installed on the main clutch shaft; a reverse gear primary driven gear and a reverse gear secondary driving gear are fixedly mounted on the second driven shaft, and a first reverse gear idler is sleeved on the idler shaft; the reverse gear driving gear is meshed with a first reverse gear idler wheel, and the first reverse gear idler wheel is meshed with a reverse gear primary driven gear; the reverse gear secondary driving gear is meshed with the reverse gear secondary driven gear; a reversing synchronizer assembly is fixedly arranged on the main clutch shaft; the meshing sleeve of the reversing synchronizer assembly can slide left and right along the axial direction to respectively select and be jointed with the connecting teeth on the adjacent gears; a Hi-Lo clutch assembly is arranged on the Hi-Lo clutch shaft, a Lo gear driven gear is arranged on the Hi-Lo clutch assembly, and a Lo gear driving gear is arranged on the second driven shaft; the Hi-Lo clutch assembly adopts a double-clutch structure, and when the Hi gear clutch on the left side is combined and the Lo clutch on the right side is separated, the Hi gear is realized; and when the Hi gear clutch on the left side is separated and the Lo clutch on the right side is combined, the Lo gear is realized.
The synchronous reversing and super crawling transmission device module comprises: the synchronous reversing module and the super crawling gear module are installed; the synchronous commutation module comprises: the reversing synchronizer assembly comprises a main clutch shaft, a second driven shaft, an idler shaft, a reverse gear primary driving gear, a reverse gear primary driven gear, a first reverse gear idler, a reversing synchronizer assembly, a reverse gear secondary driving gear and a reverse gear secondary driven gear; super crawl keeps off module includes: the gear comprises a power output shaft, a super crawling gear output shaft, a crawling gear primary driving gear, a crawling gear primary driven gear, a crawling gear secondary driving gear, a crawling gear secondary driven gear, a crawling gear tertiary driving gear, a crawling gear tertiary driven gear and a super crawling gear meshing sleeve; the synchronous reversing module and the super crawling gear module are arranged in front and at the back; a main clutch shaft, a second driven shaft and an idler shaft are arranged in the synchronous reversing module, and the three shafts are spatially arranged and are mutually parallel; 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 both of hollow shaft structures; the power output shaft penetrates through the main clutch shaft and the super crawling gear output shaft; a reverse gear primary driving gear and a reverse gear secondary driven gear are sleeved on the main clutch shaft, and a reversing synchronizer assembly is fixedly installed on the main clutch shaft; a reverse gear primary driven gear and a reverse gear secondary driving gear are fixedly arranged on the second driven shaft; the idler shaft is sleeved with a first reverse gear idler; the first reverse gear idle gear is meshed with the first reverse gear driven gear; the reverse gear secondary driving gear is meshed with the reverse gear secondary driven gear; the crawling gear primary driving gear is fixedly arranged on the second driven shaft, and the crawling gear secondary driven gear and the crawling gear tertiary driving gear are combined into a duplicate gear which is sleeved on the second driven shaft; the crawling gear primary driven gear and the crawling gear secondary driving gear are combined into a duplex gear which is sleeved on the super crawling gear output shaft; the crawling gear primary driving gear is meshed with the crawling gear primary driven gear, the crawling gear secondary driving gear is meshed with the crawling gear secondary driven gear, and the crawling gear tertiary driving gear is meshed with the crawling gear tertiary driven gear; the super crawling gear meshing sleeve piece is fixedly installed 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 comprises: the power reversing clutch shaft, the fourth driven shaft, the reverse gear idler shaft, the second output shaft, the power reversing clutch assembly, the reverse gear driving gear, the reverse gear driven gear, the forward gear driving gear, the forward gear driven gear, the second reverse gear idler, the driving gear and the driven gear; the power reversing clutch shaft, the fourth driven shaft and the reverse gear idler shaft are spatially arranged and are mutually parallel; a second output shaft is arranged at the rear part of the reversing clutch shaft and is coaxially arranged with the power reversing clutch shaft, the second output shaft is of a hollow structure, and the power output shaft is connected with the power reversing clutch shaft and penetrates through the second output shaft; a reverse gear driving gear and a forward gear driving gear are sleeved on the power reversing clutch shaft, and a power reversing clutch assembly is fixedly installed on the power reversing clutch shaft; a reverse gear driven gear and a forward gear driven gear are fixedly mounted on the fourth driven shaft, and a second reverse gear idler is sleeved on the reverse gear idler shaft; the reverse gear driving gear is meshed with a second reverse gear idler wheel, and the second reverse gear idler wheel 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.
Power switching-over + Hi-Lo power transmission module of shifting includes: the power reversing module and the Hi-Lo power shifting module are two functional modules; the power reversing module includes: the power reversing clutch shaft, the fifth driven shaft, the reverse gear idler shaft, the power reversing clutch assembly, the reverse gear driving gear, the reverse gear driven gear, the forward gear driving gear and the forward gear driven gear; the Hi-Lo power shift module includes: the clutch comprises a driving shaft, a Hi-Lo clutch output shaft, a power output shaft, a Hi-Lo power shifting 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 gear shifting module are arranged in front and at the back 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; an output shaft and a Hi-Lo clutch output shaft are arranged at the rear part of the power reversing clutch shaft, the Hi-Lo clutch output shaft is of a hollow structure and is coaxially arranged with the power reversing clutch shaft, the 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; a reverse gear driving gear and a forward gear driving gear are sleeved on the power reversing clutch shaft, and a power reversing clutch assembly is fixedly installed on the power reversing clutch shaft; a reverse gear driven gear and a forward gear driven gear are fixedly arranged on the fifth driven shaft, and a second reverse gear idler is sleeved on a reverse gear idler shaft; the reverse gear driving gear is meshed with a second reverse gear idler wheel, and the second reverse gear idler wheel 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 shifting module is arranged at the rear part of the power reversing module, in the Hi-Lo power shifting transmission device, a driven gear is fixedly arranged on a Hi gear clutch hub on a Hi-Lo power shifting clutch assembly, a driving gear is fixedly arranged on a driving shaft, a Lo gear driving gear is fixedly arranged on the driving shaft, and a Lo gear driven gear is fixedly arranged on a Lo gear clutch hub on the Hi-Lo power shifting 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 a power reversing function module and a super crawling gear function module; the power reversing module includes: the power reversing clutch shaft, the fifth driven shaft, the reverse gear idler shaft, the power reversing clutch assembly, the reverse gear driving gear, the reverse gear driven gear, the second reverse gear idler, the forward gear driving gear and the forward gear driven gear; super crawl keeps off module includes: the device comprises a power output shaft, a super crawling gear driving shaft, a crawling gear primary driving gear, a crawling gear primary driven gear, a crawling gear secondary driving gear, a crawling gear secondary driven gear, a crawling gear tertiary driving gear, a crawling gear tertiary driven gear and a super crawling gear meshing sleeve piece; the power reversing and super crawling gear transmission module is arranged in front and at the back, and is 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 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 the power output shaft is coaxially connected with the power reversing clutch shaft and penetrates through the super crawling gear output shaft; the super crawling gear driving shaft is coaxially connected with the fifth driven shaft; a reverse gear driving gear and a forward gear driving gear are sleeved on the power reversing clutch shaft, a reverse gear driven gear and a forward gear driven gear are fixedly installed on a fifth driven shaft of a fixedly installed power reversing clutch assembly, and a second reverse gear idler is sleeved on a reverse gear idler shaft; the reverse gear driving gear is meshed with a second reverse gear idler wheel, and the second reverse gear idler wheel 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 crawling gear primary driving gear is fixedly arranged on a super crawling gear driving shaft, and a crawling gear secondary driven gear and a crawling gear tertiary driving gear are combined into a duplicate gear and sleeved on the super crawling gear driving shaft; the crawling gear primary driven gear and the crawling gear secondary driving gear are combined into a duplex gear which is sleeved on the super crawling gear output shaft; the driving gear is fixedly arranged on a driving shaft of the super crawling gear, and the driven gear is fixedly arranged on a joint tooth seat in the meshing sleeve part of the super crawling gear; the crawling gear primary driving gear is meshed with the crawling gear primary driven gear, the crawling gear secondary driving gear is meshed with the crawling gear secondary driven gear, the crawling gear tertiary driving gear is meshed with the crawling gear tertiary driven gear, and the driving gear is meshed with the driven gear; the super crawling gear meshing sleeve assembly is fixedly arranged on the super crawling gear output shaft, and a meshing sleeve of the super crawling gear meshing sleeve assembly can slide left and right along the axial direction to respectively select and be connected with connecting teeth on adjacent gears; the power reversing shell is connected with the front box shell through screws.
The six transmission device modules with different functional configurations have the advantages that the front box shell blank is universal, and three front box shells, namely 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 with the power reversing shell.
By adopting the technical scheme, the invention can achieve the following positive effects: the six different function combination transmission device modules can be combined with the general rear transmission box to form tractor transmission systems with different functions and different gear numbers, so that the requirements of different users are met, meanwhile, the transmission device modules with different function combinations can realize the universality of a shell blank and most parts, the types of the parts are effectively reduced, and the generalization degree of the parts is improved.
Drawings
FIG. 1 is a schematic structural diagram of a synchronous reversing transmission device module of a tractor transmission device for realizing different functional modular combinations according to the invention;
FIG. 2 is a schematic structural diagram of a synchronous reversing + Hi-Lo power shifting transmission module of a tractor transmission realizing different functional modular combinations according to the present invention;
FIG. 3 is a schematic structural diagram of a synchronous reversing + super crawling transmission module of a tractor transmission device for realizing different functional modular combinations according to the invention;
FIG. 4 is a schematic diagram of a modular power reversing transmission of the modular combination tractor transmission of different functions according to the present invention;
FIG. 5 is a schematic structural diagram of a power reversing + Hi-Lo power shifting transmission module of the tractor transmission realizing different functional modular combinations according to the present invention;
fig. 6 is a schematic structural diagram of a power reversing + super crawling gear transmission module of a tractor transmission module which realizes different functional modular combinations.
Detailed Description
The invention is further described with reference to the following figures and examples. As shown in fig. 1 to 6, the tractor transmission device for realizing different functional modular combinations comprises: a synchronous reversing transmission module B1, a synchronous reversing + Hi-Lo power shifting transmission module B2, a synchronous reversing + super crawling transmission module B3, a power reversing transmission module B4, a power reversing + Hi-Lo power shifting transmission module B5 and a power reversing + super crawling transmission module B6.
Synchronous reversing transmission module B1: the clutch is provided with a main clutch shaft S1, a first driven shaft S2 and a first idler shaft S3, wherein 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 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 both hollow shaft structures; the 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 gear first-stage driving gear 1 and a reverse gear 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 gear first-stage driven gear 2 and a reverse gear second-stage driving gear 4, and the idler shaft S3 is sleeved with a first reverse gear idler gear 3. The reverse gear driving gear 1 is meshed with a first reverse gear idler gear 3, and the first reverse gear idler gear 3 is meshed with a 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 engaging teeth of the reversing synchronizer assembly 6 are fixedly attached. The meshing sleeve of the reversing synchronizer assembly 6 can slide left and right along the axial direction.
Synchronous reverse + Hi-Lo powershift transmission module B2: the synchronous reversing module and the Hi-Lo power gear shifting functional module are installed. The synchronous reversing module and the Hi-Lo power gear shifting module are arranged in front and at 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 both hollow shaft structures; the power output shaft S5 passes through the main clutch shaft S1 and the Hi-Lo clutch shaft S7. The main clutch shaft S1 is sleeved with a reverse gear first-stage driving gear 1 and a reverse gear second-stage driven gear 5, and a reversing synchronizer assembly 6 is fixedly installed. The second driven shaft S6 is fixedly provided with a reverse gear primary driven gear 2 and a reverse gear secondary driving gear 4, and the idler shaft S3 is sleeved with a first reverse gear idler gear 3. The reverse gear driving gear 1 is meshed with a first reverse gear idler gear 3, and the first reverse gear idler gear 3 is meshed with a reverse gear primary 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 meshing sleeve of the reversing synchronizer assembly 6. The meshing sleeve of the reversing synchronizer assembly 6 can slide left and right along the axial direction to respectively select and engage with the connecting teeth on the adjacent gears. The Hi-Lo clutch shaft S7 is provided with a Hi-Lo power shifting clutch assembly C1, the Hi-Lo power shifting 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 shifting clutch assembly C1 adopts a double-clutch structure, and when a left Hi clutch is combined and a right Lo clutch is separated, Hi gear is realized; and when the Hi gear clutch on the left side is separated and the Lo clutch on the right side is combined, the Lo gear is realized.
Synchronous commutation + super-creeper transmission module B3: the synchronous reversing and super crawling gear module is arranged in front of and behind the synchronous reversing module and the super crawling gear module. 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 both hollow shaft structures; the power output shaft S5 passes through the main clutch shaft S1 and the super creeper 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 gear primary driven gear 2 and a reverse gear secondary driving gear 4, and the idler shaft S3 is sleeved with a first reverse gear idler gear 3. The reverse gear driving gear 1 is meshed with a first reverse gear idler gear 3, and the first reverse gear idler gear 3 is meshed with a reverse gear driven gear 2; the reverse gear secondary driving gear 4 is meshed with the reverse gear secondary driven gear 5. The crawling gear first-level driving gear 14 is fixedly installed on the driven shaft S7, and the crawling gear second-level driven gear 17 and the crawling gear third-level driving gear 13 are combined to form a duplicate gear to be sleeved on the second driven shaft S6. The first-stage creep gear driven gear 15 and the second-stage creep gear driving gear 16 are combined into a duplicate gear and sleeved on the super creep gear output shaft S8. Crawl and keep off one-level driving gear 14 and crawl and keep off one-level driven gear 15 meshing, crawl and keep off second grade driving gear 16 and crawl and keep off the second grade driven gear 17 meshing, crawl and keep off tertiary driving gear 13 and crawl and keep off the tertiary driven gear 19 meshing. The super creeper gear engaging sleeve 18 is fixedly mounted on the super creeper gear output shaft S8, and the engaging sleeve is capable of sliding axially left and right to respectively select and engage with the connecting teeth on the adjacent gears.
Power reversing transmission module B4: the reversing clutch shaft S9 is arranged, the fourth driven shaft S11 and three shafts above the reverse gear 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 which is coaxially arranged with the power reversing clutch shaft S9, the output shaft S12 is of a hollow structure, and the power output shaft S13 is connected with the reversing clutch shaft S9 and penetrates through the second output shaft S12. The reverse drive gear 20, the forward drive gear 24, and a stationary reverse clutch assembly C2 are mounted on the power switching clutch shaft S9. The fourth driven shaft S11 is fixedly provided with a reverse driven gear 21 and a forward driven gear 23, and the reverse idler shaft S10 is sleeved with a second reverse idler 22. The reverse driving gear 20 is meshed with a second reverse idler gear 22, and the second reverse idler gear 22 is meshed with the reverse driven gear 21; the forward drive gear 24 meshes with the forward driven gear 23. The 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 engaged with the driven gear 25. The power reversing shell A2 is connected with the front box shell A1 through screws.
Power reversing + Hi-Lo powershift transmission module B5: the power reversing and Hi-Lo power shifting two functional modules are installed. The power reversing module is 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 spatially arranged and are mutually parallel; the rear part is provided with a power output shaft S13 which is in a hollow structure with the power reversing clutch shaft S9 and the Hi-Lo clutch output shaft S16 and is coaxially arranged with the power reversing clutch shaft S9, the power output shaft S13 penetrates through the Hi-Lo clutch output shaft S16, and the driving shaft S15 is coaxially connected with the fifth driven shaft S14. The reverse drive gear 20, the forward drive gear 24, and a stationary reverse clutch assembly C2 are mounted on the power switching clutch shaft S9. The fifth driven shaft S14 is fixedly provided with a reverse driven gear 21 and a forward driven gear 23, and the reverse idler shaft S10 is fitted with a second reverse idler 22. The reverse driving gear 20 is meshed with a second reverse idler gear 22, and the second reverse idler gear 22 is meshed with the reverse driven gear 21; the forward drive gear 24 meshes with the forward driven gear 23. The Hi-Lo power shifting module is arranged at the rear part of the power reversing module, in the Hi-Lo power shifting transmission device, a driven gear 29 is fixedly arranged on a Hi gear clutch hub on a Hi-Lo power shifting 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 a Hi-Lo power shifting clutch assembly C1. The drive gear 26 meshes with the driven gear 29, and the Lo gear drive gear 12 meshes 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: the power reversing and super crawling gear function module is installed. The power reversing module is 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 spatially arranged and are mutually parallel; 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 the 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 super-creep shift driving shaft S16 is coaxially connected with the driven shaft S14. The reverse drive gear 20 and the forward drive gear 24 are fitted over the power switching clutch shaft S9, and a power switching clutch assembly C2 is fixedly mounted thereon. The fifth driven shaft S14 is fixedly provided with a reverse driven gear 21 and a forward driven gear 23, and the reverse idler shaft S10 is fitted with a second reverse idler 22. The reverse driving gear 20 is meshed with a second reverse idler gear 22, and the second reverse idler gear 22 is meshed with the reverse 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, the crawling gear first-stage driving gear 14 is fixedly installed on a super crawling gear driving shaft S17, and the crawling gear second-stage driven gear 17 and the crawling gear third-stage driving gear 13 are combined into a duplicate gear and sleeved on a super crawling gear driving shaft S17. The first-stage creep gear driven gear 15 and the second-stage creep gear driving gear 16 are combined into a duplicate gear and sleeved on the super creep gear output shaft S8. The drive gear 26 is fixedly mounted on the slave super creeper gear drive shaft S17 and the driven gear 29 is fixedly mounted on an engagement gear seat in the super creeper gear shift engagement sleeve 18. Crawl and keep off one-level driving gear 14 and crawl and keep off one-level driven gear 15 meshing, crawl and keep off second grade driving gear 16 and crawl and keep off the second grade driven gear 17 meshing, crawl and keep off tertiary driving gear 13 and crawl and keep off the tertiary driven gear 19 meshing, driving gear 26 and driven gear 29 meshing. The super creeper gear engaging sleeve assembly 18 is fixedly mounted on the super creeper gear output shaft S8, and the engaging sleeve of the super creeper gear engaging sleeve assembly 18 can slide left and right in the axial direction to respectively select and engage 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 divided into two paths to be transmitted through the transmission device of the tractor, and the paths are as follows:
synchronous reversing transmission module B1, see fig. 1:
the first path of power is transmitted to the power output device from the power output shaft S5 to drive the power output shaft of the tractor.
The second path of power is transmitted to the main transmission through the synchromesh transmission module B1.
The synchronous reverse transmission module B1 can achieve forward and reverse according to the state of the reverse synchronizer assembly 6 on the main clutch shaft S1, and the power transmission path is as follows:
forward gear: the switching synchronizer assembly 6 slides rightward to engage with the connecting teeth of the clutch first output shaft S4, and power is transmitted from the main clutch shaft S1 → the switching synchronizer assembly 6 → the clutch first output shaft S4.
Reverse gear: the reversing synchronizer assembly 6 slides leftwards to be combined with the connecting teeth of the reverse first-stage driving gear 1, and the power is transmitted by the main clutch shaft S1 → the first reverse idle gear 3 → the reverse first-stage driven gear 2 → the first driven shaft S2 → the reverse second-stage driving gear 4 → the reverse second-stage driven gear 5 → the first output shaft S4.
Synchronous reverse + Hi-Lo powershift transmission module B2, see fig. 2:
the first path of power is transmitted to the power output device from the power output shaft S5 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 shifting clutch assembly C1, and the power transmission path of each gear is as follows:
forward gear + Hi gear: the switching synchronizer clutch 6 slides rightward to engage with the Hi-Lo power shift clutch Hi-gear engaging teeth, and the Hi gear in the Hi-Lo power shift clutch C1, and power is supplied from the main clutch shaft S1 → the switching synchronizer clutch 6 → the Hi-Lo power shift clutch C1 → the Hi-Lo clutch shaft S7.
Reverse gear + Hi gear: the reversing synchronizer assembly 6 slides leftwards to be combined with the joint teeth of the reverse first-stage driving gear 1, the Hi gear in the Hi-Lo power shifting clutch assembly C1 is combined, and power is transmitted by the main clutch shaft S1 → the reverse first-stage driving gear 1 → the first reverse idle gear 3 → the reverse first-stage driven gear 2 → the second driven shaft S6 → the reverse second-stage driving gear 4 → the reverse second-stage driven gear 5 → the Hi-Lo power shifting clutch assembly C1 → the Hi-Lo clutch shaft S7.
Forward gear + Lo gear: the reversing synchronizer 6 slides rightward to be engaged with the engaging teeth of the Hi-Lo power shifting clutch Hi gear, and the Lo gear in the Hi-Lo power shifting clutch C1 is engaged, and power is supplied from the clutch driving shaft S1 → the reversing synchronizer 6 → the reverse secondary driven gear 5 → the reverse secondary driving gear 4 → the second driven shaft S6 → the Lo driving gear 12 → the Lo driven gear 11 → the Hi-Lo clutch shaft S7.
Reverse gear + Lo gear: the reversing synchronizer 6 slides leftwards to be combined with the engaging teeth of the first reverse gear driving gear 1, the Lo gear in the Hi-Lo power shifting clutch combination C1 is combined, and power is transmitted by the main clutch shaft S1 → the reversing synchronizer 6 → the reverse driving gear 1 → the first reverse idler gear 3 → the first reverse gear driven gear 2 → the second driven shaft S6 → the Lo gear driving gear 12 → the Lo gear driven gear 11 → the Hi-Lo power shifting clutch combination C1 → the Hi-Lo clutch shaft S7.
Synchronous reverse + super-creeper transmission module B3, see fig. 3:
the first path of power is transmitted to the power output device from the power output shaft S5 to drive the power output shaft of the tractor.
And the second path of power is transmitted to the main speed changing device through the synchronous reversing and super crawling transmission device.
Power is transmitted to the main clutch shaft S1 and then from the main clutch shaft S1 to the super-creep gear output shaft S8, and four gears are achieved according to the states of the reversing synchronizer assembly 6 and the super-creep gear engaging 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 joint 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 joint teeth of the reverse gear secondary driven gear 5. Power is supplied by the main clutch shaft S1 → the reversing synchronizer assembly 6 → the reverse secondary driven gear 5 → the super creep gear engaging sleeve assembly 18 → the super creep gear output shaft S8.
Reverse gear + normal gear: the meshing sleeve on the reversing synchronizer assembly 6 slides leftwards to be combined with the joint teeth on the reverse gear primary driving gear 1, and the meshing sleeve of the super crawling gear meshing sleeve assembly 18 slides leftwards to be combined with the joint teeth of the reverse gear secondary driven gear 5. The power is supplied by the main clutch shaft S1 → the switching synchronizer assembly 6 → the reverse first driving gear 1 → the first reverse idler 3 → the reverse first driven gear 2 → the driven shaft S6 → the reverse second driving gear 4 → the reverse second driven gear 5 → the super creeper gear engagement sleeve 18 → the super creeper gear output shaft S8.
Forward gear + super creep gear: the meshing sleeve on the reversing synchronizer assembly 6 slides rightwards to be combined with the joint teeth of the reverse gear secondary driven gear 5, and the meshing sleeve of the super creep gear meshing sleeve assembly 18 slides rightwards to be combined with the joint teeth of the creep gear tertiary driven gear 19. The power is supplied by the main clutch S1 → the reversing synchronizer clutch 6 → the reverse secondary driven gear 5 → the driven shaft S6 → the creep speed primary driving gear 14 → the creep speed primary driven gear 15 → the creep speed secondary driving gear 16 → the creep speed secondary driven gear 17 → the creep speed tertiary driving gear 13 → the creep speed tertiary driven gear 19 → the super creep speed engaging sleeve 18 → the super creep speed output shaft S8.
Reverse gear + super crawl gear: the meshing sleeve on the reversing synchronizer assembly 6 slides leftwards to be combined with the joint teeth on the reverse gear first-stage driving gear 1, and the meshing sleeve of the super creep gear meshing sleeve assembly 18 slides rightwards to be combined with the joint teeth of the creep gear third-stage driven gear 19. The power is transmitted from the main clutch shaft S1 → the reversing synchronizer assembly 6 → the reverse first driving gear 1 → the first reverse idler gear 3 → the reverse first driven gear 2 → the driven shaft S6 → the creep first driving gear 14 → the creep first driven gear 15 → the creep second driving gear 16 → the creep second driven gear 17 → the creep third driving gear 13 → the creep third driven gear 19 → the super creep engagement assembly 18 → the super creep output shaft S8.
Power reversing transmission module B4, see fig. 4:
the first path of power is transmitted to a power output shaft S13 from the power reversing clutch shaft S9, and then transmitted to a power output device to drive a 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 to the fourth driven shaft S11, and then 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 switching clutch unit C2F is coupled to the side, and the power switching clutch shaft S9 → the power switching clutch unit C2 → the forward drive gear 24 → the forward driven gear 23 → the fourth driven shaft S11 → the drive gear 26 → the driven gear 25 → the second output shaft S12.
Reverse gear: the power switching clutch unit C2R is coupled, and the power switching clutch shaft S9 → the power switching clutch unit C2 → the reverse drive gear 20 → the second reverse idler gear 22 → the reverse driven gear 21 → the fourth driven shaft S11 → the drive gear 26 → the driven gear 25 → the second output shaft S12.
Power reversing + Hi-Lo powershift transmission module B5, see fig. 5:
power is transmitted to the power reversing clutch shaft S9, then to the fifth driven shaft S14, and finally to the Hi-Lo clutch output shaft S16, and four speeds are implemented according to the coupling state of the power reversing clutch pack C2 and the Hi-Lo power shifting clutch pack C1, and the power transmission path of each speed is as follows:
forward gear + Hi gear: the power reversing clutch assembly C2F is combined on the gear side, and the Hi-Lo power shifting clutch Hi is combined on the gear side. The power switching clutch shaft S9 → the power switching clutch coupling C2 → the forward drive gear 24 → the forward driven gear 23 → the fifth driven shaft S14 → the Hi-Lo drive shaft S15 → the drive gear 26 → the driven gear 29 → the Hi-Lo power switching clutch coupling C1 → the Hi-Lo clutch output shaft S16.
Reverse gear + Hi gear: the power reversing clutch assembly C2R is combined on the gear side, and the Hi-Lo power shifting clutch Hi is combined on the gear side. The power switching clutch shaft S9 → the power switching clutch coupling C2 → the reverse drive gear 20 → the second reverse idler gear 22 → the reverse driven gear 21 → the fifth driven shaft S14 → the Hi-Lo drive shaft S15 → the drive gear 26 → the driven gear 29 → the Hi-Lo power switching clutch coupling C1 → the Hi-Lo clutch output shaft S16.
Forward gear + Lo gear: the power reversing clutch assembly C2F is combined on the gear side, and the Hi-Lo power shifting clutch Lo is combined on the gear side. The power switching clutch shaft S9 → the power switching clutch coupling C2 → the forward drive gear 24 → the forward driven gear 23 → the fifth driven shaft S14 → the Hi-Lo drive shaft S15 → the Lo drive gear 12 → the Lo driven gear 11 → the Hi-Lo power switching clutch coupling C1 → the Hi-Lo clutch output shaft S16.
Reverse gear + Lo gear: and a power reversing clutch assembly C2R gear and a Hi-Lo power shifting clutch Lo gear are combined. The power switching clutch shaft S9 → the power switching clutch coupling C2 → the reverse drive gear 20 → the second reverse idler gear 22 → the reverse driven gear 21 → the fifth driven shaft S14 → the Hi-Lo drive shaft S15 → the Lo drive gear 12 → the Lo driven gear 11 → the Hi-Lo power switching clutch coupling C1 → 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 to the fifth driven shaft S14, and finally to the super-creep gear output shaft S8, and four gears are implemented according to the combination state of the power reversing clutch assembly C2 and the super-creep gear engagement sleeve assembly 18, and the power transmission path of each gear is as follows:
forward gear + normal gear: the power reversing clutch pack C2F is engaged in gear and the sleeve of the super creeper gear engagement sleeve 18 slides to the left to engage the engaged teeth of the driven gear 29. The power switching clutch shaft S9 → the power switching clutch engagement element C2 → the forward drive gear 24 → the forward driven gear 23 → the fifth driven shaft S14 → the super creeper gear drive shaft S17 → the drive gear 26 → the driven gear 29 → the super creeper gear engagement sleeve 18 → the super creeper gear output shaft S8.
Reverse gear + normal gear: the power reversing clutch pack C2R is engaged in gear and the sleeve of the super-creep gear engaging sleeve pack 18 slides to the left to engage the engaged teeth of the driven gear 29. The power steering clutch shaft S9 → the power steering clutch engaging member C2 → the reverse drive gear 20 → the second reverse idler gear 22 → the reverse driven gear 21 → the fifth driven shaft S14 → the super creep gear drive shaft S17 → the drive gear 26 → the driven gear 29 → the super creep gear engaging sleeve member 18 → the super creep gear output shaft S8.
Forward gear + super creep gear: the power reversing clutch assembly C2F is engaged in gear side, and the engaging sleeve of the super creeper gear engaging sleeve assembly 18 slides rightward to engage with the engaging teeth of the third stage creeper driven gear 19. The power reversing clutch shaft S9 → the power reversing clutch coupling C2 → the forward drive gear 24 → the forward driven gear 23 → the fifth driven shaft S14 → the super creeper drive shaft S17 → the first creep gear drive gear 14 → the first creep gear driven gear 15 → the second creep gear drive gear 16 → the second creep gear driven gear 17 → the third creep gear drive gear 13 → the third creep gear driven gear 19 → the super creeper engagement sleeve 18 → the super creeper output shaft S8.
Reverse gear + super creep gear: the power reversing clutch assembly C2R is engaged in the gear side, and the engaging sleeve of the super creeper gear engaging sleeve assembly 18 slides rightward to engage with the engaging teeth of the third stage creeper driven gear 19. The power reversing clutch shaft S9 → the power reversing clutch coupling C2 → the reverse drive gear 20 → the second reverse idler gear 22 → the reverse driven gear 21 → the fifth driven shaft S14 → the super creeper drive shaft S17 → the first-stage creeper drive gear 14 → the first-stage creeper driven gear 15 → the second-stage creeper drive gear 16 → the second-stage creeper driven gear 17 → the third-stage creeper drive gear 13 → the third-stage creeper driven gear 19 → the super creeper engagement sleeve 18 → the super creeper output shaft S8.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will recognize that changes may be made in the form and detail of the embodiments described herein without departing from the spirit and scope of the invention. The invention is intended to cover all modifications, equivalents and alternatives falling within the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. Realize tractor transmission of different function modularization combinations, include: a synchronous reversing transmission module (B1), a synchronous reversing + Hi-Lo power shifting transmission module (B2), a synchronous reversing + super crawling gear transmission module (B3), a power reversing transmission module (B4), a power reversing + Hi-Lo power shifting transmission module (B5) and a power reversing + super crawling gear transmission 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 gear 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 gear transmission device module (B6) are independent respectively, and the contained parts are universal; the synchronous reversing transmission module (B1) includes: a main clutch shaft (S1), a first driven shaft (S2), an idler shaft (S3), a first output shaft (S4) and a power output shaft (S5); the reversing synchronizer comprises a reverse gear primary driving gear (1), a reverse gear primary driven gear (2), a first reverse gear idler gear (3), a reverse gear secondary driving gear (4), a reverse gear secondary driven gear (5) and a reversing synchronizer assembly (6); the main clutch shaft (S1), the first driven shaft (S2) and the idler shaft (S3) are arranged in space 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 both hollow shaft structures; the 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 gear primary driving gear (1) and a reverse gear secondary driven gear (5) and is fixedly provided with a reversing synchronizer assembly (6); a reverse gear primary driven gear (2) and a reverse gear secondary driving gear (4) are fixedly mounted on the first driven shaft (S2), and a first reverse gear idler (3) is sleeved on the idler shaft (S3); the reverse gear first-stage driving gear (1) is meshed with a first reverse gear idler gear (3), and the first reverse gear idler gear (3) is meshed with a reverse gear first-stage 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 reversing synchronizer assembly (6) is fixedly arranged on the clutch shaft (S1); the meshing sleeve of the reversing synchronizer assembly (6) can slide left and right along the axial direction.
2. The tractor transmission device for realizing different functional modular combinations according to claim 1, characterized in that: the synchronous commutated + Hi-Lo powershift transmission module (B2), comprising: synchronous switching-over module and two functional modules of Hi-Lo power shift module, synchronous switching-over module includes: the reversing synchronizer comprises a main clutch shaft (S1), a second driven shaft (S6), an idler shaft (S3), a reverse gear primary driving gear (1), a reverse gear primary driven gear (2), a first reverse gear idler (3), a reversing synchronizer assembly (6), a reverse gear secondary driving gear (4) and a reverse gear secondary driven gear (5); the Hi-Lo power reversing module comprises: a Hi-Lo clutch shaft (S7), a 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 shifting module are arranged in front and at the 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) and is concentric with the main clutch shaft (S1); the main clutch shaft (S1) and the Hi-Lo clutch shaft (S7) are both of hollow shaft structures; a power output shaft (S5) penetrates through the main clutch shaft (S1) and the Hi-Lo clutch shaft (S7); the main clutch shaft (S1) is sleeved with a reverse gear primary driving gear (1) and a reverse gear secondary driven gear (5), and a reversing synchronizer assembly (6) is fixedly installed; a reverse gear primary driven gear (2) and a reverse gear secondary driving gear (4) are fixedly mounted on the second driven shaft (S6), and a first reverse gear idler (3) is sleeved on the idler shaft (S3); the reverse gear driving gear (1) is meshed with a first reverse gear idler gear (3), and the first reverse gear idler gear (3) is meshed with a 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 to respectively select and engage 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.
3. The tractor transmission device for realizing different functional modular combinations according to claim 1, characterized in that: 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 commutation module comprises: the reverse gear type clutch comprises a main clutch shaft (S1), a second driven shaft (S6), an idler shaft (S3), a reverse gear primary driving gear (1), a reverse gear primary driven gear (2), a first reverse gear idler (3), a reversing synchronizer assembly (6) and a reverse gear secondary driving gear (4), and a reverse gear secondary driven gear (5); super crawl keeps off module includes: the gear transmission mechanism comprises a power output shaft (S5), a super crawling gear output shaft (S8), 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) and a super crawling gear meshing sleeve piece (18); the synchronous reversing module and the super crawling gear module are arranged in front and at the 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 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 both hollow shaft structures; the 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 gear primary driving gear (1) and a reverse gear secondary driven gear (5), and a reversing synchronizer assembly (6) is fixedly installed; a reverse gear primary driven gear (2) and a reverse gear secondary driving gear (4) are fixedly arranged on the second driven shaft (S6); the idler shaft (S3) is sleeved with a first reverse gear idler (3); the reverse gear first-stage driving gear (1) is meshed with a first reverse gear idler gear (3), and the first reverse gear idler gear (3) is meshed with a reverse gear first-stage driven gear (2); the reverse gear secondary driving gear (4) is meshed with the reverse gear secondary driven gear (5); the crawling gear primary driving gear (14) is fixedly arranged on a second driven shaft (S6), and the crawling gear secondary driven gear (17) and the crawling gear tertiary driving gear (13) are combined into a duplicate gear and sleeved on the second driven shaft (S6); the crawling gear primary driven gear (15) and the crawling gear secondary driving gear (16) are combined into a duplicate gear and sleeved on the super crawling gear output shaft (S8); the crawling gear primary driving gear (14) is meshed with the crawling gear primary driven gear (15), the crawling gear secondary driving gear (16) is meshed with the crawling gear secondary driven gear (17), and the crawling gear tertiary driving gear (13) is meshed with the crawling gear tertiary driven gear (19); the super crawling gear meshing sleeve piece (18) is fixedly arranged on a super crawling gear output shaft (S8), and the meshing sleeve can slide left and right in the axial direction.
4. The tractor transmission device for realizing different functional modular combinations according to claim 1, characterized in that: the power reversing transmission module (B4) comprising: the reverse gear transmission device comprises a power reversing clutch shaft (S9), a fourth driven shaft (S11), a reverse gear idler shaft (S10), a second output shaft (S12), a 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 (22), a driving gear (26) and a driven gear (25); the reverse gear type clutch comprises a power reversing clutch shaft (S9), a fourth driven shaft (S11) and a reverse gear idler shaft (S10), wherein the three shafts are arranged in space and are 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 the power output shaft (S13) is connected with the power 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) and a forward gear driving gear (24) and fixedly provided with a power reversing clutch assembly (C2); a reverse gear driven gear (21) and a forward gear driven gear (23) are fixedly mounted on the fourth driven shaft (S11), and a second reverse gear idler (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 gear driving gear (24) is meshed with the forward gear driven gear (23); the 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 driven gear (25); the power reversing shell (A2) is connected with the front box shell (A1) through screws.
5. The tractor transmission device for realizing different functional modular combinations according to claim 1, characterized in that: the power commutated + Hi-Lo powershift transmission module (B5), comprising: the power reversing module and the Hi-Lo power shifting module are two functional modules; the power reversing module includes: the reverse gear type power steering gear comprises a power reversing clutch shaft (S9), a fifth driven shaft (S14), a reverse gear idler shaft (S10), a power reversing clutch combination piece (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 transmission comprises a driving shaft (S15), a Hi-Lo clutch output shaft (S16), a power output shaft (S13), a Hi-Lo power shifting clutch assembly (C1), a Lo gear driving gear (12), a Lo gear driven gear (11), a driving gear (26) and a driven gear (29); the power reversing module and the Hi-Lo power shifting module are arranged in front and at the back, 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 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 power output shaft (S13) penetrates through the Hi-Lo clutch output shaft (S16) and is connected with the power reversing clutch shaft (S9), and the driving shaft (S15) is coaxially connected with the fifth 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 fixedly provided with a power reversing clutch assembly (C2); a reverse gear driven gear (21) and a forward gear driven gear (23) are fixedly arranged on the fifth driven shaft (S14), and a second reverse gear idler (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 gear driving gear (24) is meshed with the forward gear driven gear (23); the Hi-Lo power shifting module is arranged at the rear part of the power reversing module, in the Hi-Lo power shifting transmission device, a driven gear (29) is fixedly arranged on a Hi gear clutch hub on a Hi-Lo power shifting 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 shifting 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.
6. The tractor transmission device for realizing different functional modular combinations according to claim 1, characterized in that: the power reversing and super crawling gear transmission device module (B6) comprises a power reversing function module and a super crawling gear function module; the power reversing module includes: the reverse gear type power steering gear 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 (22), a forward gear driving gear (24) and a forward gear driven gear (23); super crawl keeps off module includes: the super crawling gear transmission system comprises a power output shaft (S13), a super crawling gear output shaft (S8), a super crawling gear driving shaft (S17), 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) and a super crawling gear meshing sleeve piece (18); the power reversing and super crawling gear transmission module is arranged in front and at the back, and is 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 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 the 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 super crawling gear driving shaft (S17) 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 power reversing clutch assembly (C2), and a second reverse gear idler gear (22) is sleeved on a 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 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 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 duplicate gear and sleeved on the super crawling gear driving shaft (S17); the crawling gear primary driven gear (15) and the crawling gear secondary driving gear (16) are combined into a duplicate gear and sleeved on the super crawling gear output shaft (S8); the driving gear (26) is fixedly arranged on a super crawling gear driving shaft (S17), and the driven gear (29) is fixedly arranged on a joint gear seat in the super crawling gear meshing sleeve piece (18); the crawling gear primary driving gear (14) is meshed with the crawling gear primary driven gear (15), the crawling gear secondary driving gear (16) is meshed with the crawling gear secondary driven gear (17), the crawling gear tertiary driving gear (13) is meshed with the crawling gear tertiary driven gear (19), and the driving gear (26) is meshed with the driven gear (29); the super crawling gear meshing sleeve piece (18) is fixedly arranged on a super crawling gear output shaft (S8), and meshing sleeves of the super crawling gear meshing sleeve piece (18) can slide left and right in the axial direction to respectively select and be connected with connecting teeth on 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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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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