CN108278335A - Multi-clutch module, clutch feed system and electric control hydraulic formula automatic transmission - Google Patents

Multi-clutch module, clutch feed system and electric control hydraulic formula automatic transmission Download PDF

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Publication number
CN108278335A
CN108278335A CN201810205601.4A CN201810205601A CN108278335A CN 108278335 A CN108278335 A CN 108278335A CN 201810205601 A CN201810205601 A CN 201810205601A CN 108278335 A CN108278335 A CN 108278335A
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CN
China
Prior art keywords
clutch
oil
hub
piston
brake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810205601.4A
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Chinese (zh)
Other versions
CN108278335B (en
Inventor
张新桂
余子林
周友
谢绪秒
刘学武
刘维
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Priority to CN201810205601.4A priority Critical patent/CN108278335B/en
Publication of CN108278335A publication Critical patent/CN108278335A/en
Application granted granted Critical
Publication of CN108278335B publication Critical patent/CN108278335B/en
Active legal-status Critical Current
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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
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
    • F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
    • F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
    • F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/10—Clutch systems with a plurality of fluid-actuated clutches
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/12—Details not specific to one of the before-mentioned types
    • F16D25/14—Fluid pressure control
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/0421—Guidance of lubricant on or within the casing, e.g. shields or baffles for collecting lubricant, tubes, pipes, grooves, channels or the like
    • F16H57/0424—Lubricant guiding means in the wall of or integrated with the casing, e.g. grooves, channels, holes
    • 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
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0473—Friction devices, e.g. clutches or brakes
    • 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
    • F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
    • F16H2003/445—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion without permanent connection between the input and the set of orbital gears
    • 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
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/2002—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears
    • F16H2200/2007—Transmissions using gears with orbital motion characterised by the number of sets of orbital gears with two sets of orbital gears
    • 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
    • F16H2200/20—Transmissions using gears with orbital motion
    • F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
    • F16H2200/2041—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with four engaging means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

A kind of multi-clutch module of present invention offer, clutch feed system and electric control hydraulic formula automatic transmission.The multi-clutch module, including shell structure, input shaft, the first planet row structure, the second planet row structure, first clutch structure, second clutch structure, third clutch configuration and the brake structural being set in shell structure；First planet row structure and the second planet row structure are respectively arranged at input shaft both ends, first clutch structure is connected on the second planet row structure and input shaft, second clutch structure is connected on the second planet row structure and input shaft, third clutch configuration is connected on the first planet row structure and input shaft, and brake structural is connected in the second planet row structure and shell structure；First clutch structure is located at input shaft radial outside, and second clutch structure and third clutch configuration are located side by side on the outside of first clutch structure, and brake structural is located on the outside of second clutch structure and third clutch configuration.Multi-clutch module provided by the invention, more compact structure reduce and occupy volume, and simplifying structure reduces matching requirements.

Description

Multi-clutch module, clutch feed system and electric control hydraulic formula automatic transmission
Technical field
The present invention relates to automotive transmission technical field, more particularly to a kind of multi-clutch module, clutch feed system And electric control hydraulic formula automatic transmission.
Background technology
Electric control hydraulic automatic transmission (AT) is to add electronic control system on the basis of conventional fluid torque automatic transmission And formed, engine can be made to be operated in corresponding optimum rotating speed different load and speed selection optimum speed ratio.All gear shift are by becoming Fast device is voluntarily completed, and driver only expresses intention change to speed with accelerator pedal and by the operation of selection lever selection requirement State.This electric control hydraulic formula automatic transmission generally passes through the planetary gear including multiple clutches and brake and planet row Gear realizes that speed change, the power of engine are defeated after incoming epicyclic transmission progress speed change after fluid torque-converter Go out.Therefore, the volume of automatic transmission, weight, efficiency and bearing capacity are directly related with planetary gear mechanism.Moreover, from The gear number of dynamic variator system is more, and the fuel consumption of automobile is lower, and economy is better.But with the increasing of gear number Add, clutch and the quantity of brake and planet row are also increasing, meet theoretical stage than design be even more be difficult to realize.In tradition In technology, the wet clutch and brake of electric control hydraulic automatic transmission generally use clutch hub and steel disc or friction plate it Between spline carry out cooperation and transmit torque and rotating speed, wet clutch and brake having space layout certain requirement, for Possess the automatic transmission of multiple clutch assemblies and brake, the requirement of overall space increases, while clutch system forms It is complex, assembly it is more demanding, cost is higher.In addition, possess the automatic transmission of multiple clutch assemblies and brake, It is also required to multiple oil ducts and fluid is provided, this just increases the structure arrangement difficulty of oil supply system and technique realizes difficulty, Yi Jiti High manufacturing cost etc..
Invention content
Based on this, to solve the above problems, the present invention provides a kind of multi-clutch module, more compact structure reduces and occupies Volume, simplifying structure reduces matching requirements.
The present invention also proposes a kind of clutch feed system, can reduce the oil circuit in the channel of multi-clutch module fuel feeding, letter Change complicated, reduction difficulty of processing.
The present invention also proposes a kind of electric control hydraulic formula automatic transmission, multi-clutch module and clutch feed system knot Structure relative compact is simple, can realize more gear number, realizes good economy.
Its technical solution is as follows：
A kind of multi-clutch module, including shell structure, input shaft, the first planet row being set in the shell structure Structure, the second planet row structure, first clutch structure, second clutch structure, third clutch configuration and brake structural；
First planet row structure and the second planet row structure are respectively arranged at the input shaft both ends, described first from Clutch structure, second clutch structure, third clutch configuration and brake structural be set to first planet row structure and Between second planet row structure, and the first clutch structure is connected to second planet row structure and the input shaft On, the second clutch structure is connected on second planet row structure and the input shaft, the third clutch knot Structure is connected on first planet row structure and the input shaft, and the brake structural is connected to the second planet row knot On structure and the shell structure；
The first clutch structure is located at the input shaft radial outside, the second clutch structure and third clutch Device structure is located side by side on the outside of the first clutch structure, and the brake structural be located at the second clutch structure with On the outside of third clutch configuration.
Further technical solution is illustrated below：
Further, first planet row structure includes the first sun gear and first for being set to described input shaft one end Planet carrier, the first planetary gear for being set in the first planet carrier and being engaged with first sun gear, and with described First gear ring of one planetary gear engagement；
Second planet row structure includes the second sun gear and the second planet carrier for being set to the input shaft other end, The second planetary gear for being set on second planet carrier and being engaged with second sun gear, and with second planet Take turns the second gear ring of engagement；
The first clutch structure is connected on the input shaft and the second sun gear, and the second clutch structure connects It is connected on the input shaft and the second planet carrier, the third clutch configuration is connected to first gear ring and the second planet carrier On, the brake structural is connected on the shell structure and the second sun gear or is connected to the shell structure and second On planet carrier, second gear ring is every between the second clutch structure and brake structural.
Further, the first clutch structure, the second clutch structure, the third clutch configuration and institute It states brake structural and is disposed as multi-plate wet clutch.
Further, the first clutch structure include be set on the input shaft and the second sun gear first from Clutch shell, and the first clutch main body and first clutch piston structure that are set in the first clutch shell； And the first clutch main body is connected on the first clutch shell, first clutch piston structure one end and institute State corresponding first clutch main body, the other end and the input axis connection；
The second clutch structure includes the second clutch shell being set on the input shaft and the second planet carrier, And it is set to second clutch main body and second clutch piston structure in the second clutch shell, and described second Clutch housing is located at the first clutch hull outside；And the second clutch main body is connected to the second clutch On shell, second clutch piston structure one end is corresponding with the second clutch main body, the other end and second row Carrier connects；
The third clutch configuration includes the third bell housing being set on first gear ring and the second planet carrier Body, and the third clutch main body and third clutch plunger structure that are set in the third clutch housing, described Three clutch housings are arranged side by side with the second clutch shell；And the third clutch main body be connected to the third from On clutch shell, described third clutch plunger structure one end is corresponding with the third clutch main body, the other end and described the Two planet carriers connect；
The brake structural includes the brake casing being set in the shell structure and the second planet row structure, with And it is set to brake main body and brake plunger structure in the brake casing, the brake casing passes through described Two gear rings are every set on the outside of the second clutch shell and third clutch housing；And the brake main body is connected to institute It states on brake casing, brake plunger structure one end is corresponding with the brake main body, the other end and the shell knot Structure connects.
Further, the first clutch shell includes hub in the first clutch being connect with second sun gear, And input axis connection and the hub outside the first clutch on the outside of hub in the first clutch with described；Described first from Clutch main body includes the multi-disc first clutch friction plate being set in the first clutch on hub, and is set to described Multi-disc first clutch steel disc on the outer hub of one clutch, and first clutch friction plate described in multi-disc is arranged at intervals at multi-disc institute It states between first clutch steel disc；
The second clutch shell include with hub in the second clutch of the input axis connection, and with described second Planet carrier connects and is located at the hub second clutch in the second clutch on the outside of hub Wai, hub position in the second clutch In hub outside or homonymy outside the first clutch；The second clutch main body includes being set to hub in the second clutch On multi-disc second clutch friction plate, and the multi-disc second clutch steel disc that is set on the outer hub of the second clutch, And second clutch friction plate described in multi-disc is arranged at intervals between second clutch steel disc described in multi-disc；
The third clutch housing includes hub in the third clutch being connect with first gear ring, and with described Two planet carriers connect and are located at the hub third clutch in the third clutch on the outside of hub Wai, hub in the third clutch The outside of hub or homonymy outside the first clutch；The third clutch main body includes being set to the third clutch Multi-disc third clutch friction plate on interior hub, and it is set to the multi-disc third clutch steel outside the third clutch on hub Piece, and third clutch friction plate described in multi-disc is arranged at intervals between third clutch steel disc described in multi-disc；
The brake casing includes hub in the brake being connect with second planet carrier or second sun gear, with And connect with the shell structure and be located at hub outside the brake in the brake on the outside of hub, hub passes through in the brake Second gear ring is on the outside of the hub outside the third clutch；The brake main body includes being set in the brake Multiple-disc brake friction plate on hub, and it is set to the multiple-disc brake steel disc outside the brake on hub, and described in multi-disc Brake bush is arranged at intervals between brake steel disc described in multi-disc.
Further, the outer hub of the first clutch is set as hub in the second clutch, second clutch simultaneously The outer hub of device is set as the outer hub of the third clutch simultaneously, and first gear ring is set as hub in the third clutch simultaneously, The shell structure is set as the outer hub of the brake simultaneously.
Further, the first clutch piston structure includes being set to hub and the first clutch in the first clutch The first clutch piston body of rod between the outer hub of device, described first clutch piston body of rod one end and the first clutch main body The corresponding, other end is tightly connected with the input shaft；The first clutch piston structure further includes being connected to the input shaft It goes up and is located at the first clutch piston chamber lid in the first clutch between hub and the outer hub of first clutch and the first clutch Device balances chamber lid, and the first clutch piston chamber lid and first clutch balance chamber lid are sealedly attached to described first respectively Clutch plunger body of rod both sides, and be connected between the first clutch piston body of rod and first clutch balance chamber lid First return spring group；
The second clutch piston structure include be set to the outer hub of hub and second clutch in the second clutch it Between the second clutch piston body of rod, described second clutch piston body of rod one end is corresponding with the second clutch main body, another One end is tightly connected with second planet carrier；The second clutch piston structure further includes being connected to second planet carrier It goes up and is located at the second clutch piston chamber lid in the second clutch between hub and the outer hub of second clutch and the second clutch Device balances chamber lid, and the second clutch piston chamber lid and second clutch balance chamber lid are sealedly attached to described second respectively Clutch plunger body of rod both sides, and be connected between the second clutch piston body of rod and second clutch balance chamber lid Second return spring group；
The third clutch plunger structure include be set to the outer hub of hub and third clutch in the third clutch it Between the third clutch plunger body of rod, described third clutch plunger body of rod one end pass through the second clutch main body with it is described Third clutch main body is corresponding, the other end is tightly connected with second planet carrier；The third clutch plunger structure is also wrapped Include be connected on second planet carrier and the third in the third clutch between hub and the outer hub of third clutch from Clutch piston chamber lid and third clutch balance chamber lid, and the third clutch plunger chamber lid and third clutch balance chamber lid It is sealedly attached to the third clutch plunger body of rod both sides respectively, and is connected to the third clutch plunger body of rod and Three clutches balance the third return spring group between chamber lid；
The brake plunger structure further includes the brake plunger cylinder being connected in the shell structure, is set to described Brake plunger bar in brake plunger cylinder, and be set on the brake plunger bar and connect with the shell structure Brake return spring group, brake plunger bar one end connect with the brake plunger cylinder, the other end and the system Dynamic device main body corresponds to.
Further, the third clutch balance chamber lid is set as the second clutch piston chamber lid simultaneously, described The outer hub of third clutch is set as the third clutch plunger chamber lid simultaneously.
Further, second sun gear include be set to the input shaft the second sun axle portion and with it is described Second sun wheel body of the second sun axle portion connection, second sun axle portion is close to first planet row structure, and described the Two planetary gears are engaged with second sun wheel body；
Second planet carrier includes the planet carrier axial part being sheathed in second sun axle portion, and with the row Carrier axial part planet carrier radial part connected vertically, second planetary gear is set in the planet carrier radial part, described First clutch structure, second clutch structure, third clutch configuration are set to first planet row structure and the row Between carrier radial part；The outer hub of the first clutch is in the first planet row structure setting, the first clutch Hub is connected to second sun axle portion end；The outer hub of the third clutch is connected in second sun axle portion, described Second clutch piston structure and third clutch plunger structure are all connected in the planet carrier axial part.
In addition, the present invention also proposes a kind of clutch feed system, including multi-clutch module as described above, Yi Jishe It is placed in multi-clutch mould clutch oil line structure in the block；
The clutch oil line structure includes main oil inlet oil channel structures, and is connected to respectively with the main oil inlet oil channel structures First clutch oil circuit, second clutch oil circuit, third clutch oil circuit and brake oil circuit, and the first clutch oil Road is corresponding with the first clutch structure, and the second clutch oil circuit is corresponding with the second clutch structure, and described Three clutch oil circuits are corresponding with third clutch configuration, and the brake oil circuit is corresponding with the brake structural.
Further, the main oil inlet oil channel structures are axially opened in the input shaft and mutually independent including respectively First main oil gallery, the second main oil gallery, third main oil gallery and the 4th main oil gallery；
The first clutch oil circuit includes being formed in the first clutch piston chamber lid and first clutch work First clutch plunger shaft between stopper rod body, and it is formed in the first clutch balance chamber lid and the first clutch First clutch counter balance pocket between the piston body of rod, and the first clutch plunger shaft is connected to first main oil gallery, institute First clutch counter balance pocket is stated to be connected to the 4th main oil gallery；
The second clutch oil circuit includes being formed in the second clutch piston chamber lid and second clutch work Second clutch plunger shaft between stopper rod body, and it is formed in the second clutch balance chamber lid and the second clutch Second clutch counter balance pocket between the piston body of rod, and the second clutch plunger shaft is connected to second main oil gallery, institute Second clutch counter balance pocket is stated to be connected to the 4th main oil gallery；
The third clutch oil circuit includes being formed in the third clutch plunger chamber lid and third clutch work Third clutch piston cavity between stopper rod body, and it is formed in the third clutch balance chamber lid and the third clutch Third clutch counter balance pocket between the piston body of rod, and the third clutch piston cavity is connected to the third main oil gallery, institute Third clutch counter balance pocket is stated to be connected to the 4th main oil gallery.
Further, the main oil inlet oil channel structures further include the oil duct axis with the input axis connection, and are opened respectively First oil inlet passage, second oil inlet passage, third oil inlet passage and fourth oil inlet passage upward set on the oil duct diameter of axle；
Further include be opened in respectively the input shaft radially first connection oil duct, second connection oil duct, third connection Oil duct and the 4th connection oil duct, and first oil inlet passage connects oil duct by described first and connects with first main oil gallery Logical, second oil inlet passage connects oil duct by described second and is connected to second main oil gallery, the third oil inlet passage Oil duct is connected by the third to be connected to the third main oil gallery, the 4th oil inlet passage connects oil duct by the described 4th It is connected to the 4th main oil gallery.
Further, the main oil inlet oil channel structures further include the first cylinder sleeve structure being set on the oil duct axis, with And it is set to multiple first sealing rings on the input shaft；And the first cylinder sleeve structure is corresponding with the input shaft, described One sealing ring is contacted with the first cylinder sleeve close structure, and the first connection oil duct, the second connection oil duct, third connect oil duct And the 4th connection oil duct respectively every between two first sealing rings；
Multiple first cylinder sleeve oil ducts, first oil inlet passage and the first connection oil are offered in the first cylinder sleeve structure Between road, second oil inlet passage and second connection oil duct between, the third oil inlet passage and third connection oil duct between, Connection is corresponded to by the first cylinder sleeve oil duct between 4th oil inlet passage and the 4th connection oil duct.
Further, the main oil inlet oil channel structures further include being opened in the first piston of the input shaft radially respectively Oil duct, the first balance oil duct, second piston oil duct, the second balance oil duct, third piston oil duct, third balance oil duct；
The first piston oil duct is connected to the first clutch plunger shaft and the first main oil gallery, the first balance oil duct It is connected to the first clutch counter balance pocket and the 4th main oil gallery；The second piston oil duct is connected to the second clutch and lives Chamber and the second main oil gallery are filled in, the second balance oil duct is connected to the second clutch counter balance pocket and the 4th main oil gallery；Institute It states third piston oil duct and is connected to the third clutch piston cavity and third main oil gallery, the third balance oil duct connection described the Three clutch counter balance pockets and the 4th main oil gallery, and third balance oil duct is connected to the second balance oil duct.
Further, the main oil inlet oil channel structures further include be opened in second sun gear respectively radially second Piston accessory channel, the second balance accessory channel, third piston accessory channel, third balance accessory channel；
The second piston accessory channel is connected to the second clutch plunger shaft and second piston oil duct, and described second is flat The accessory channel that weighs is connected to the second clutch counter balance pocket and the second balance oil duct；The third piston accessory channel connection The third clutch piston cavity and third piston oil duct, the third balance accessory channel are connected to the third clutch balance Chamber and the third balance oil duct, and third balance accessory channel balances accessory channel with described second and is connected to, and described the Three balance oil ducts are overlapped with the second balance oil duct.
Further, the main oil inlet oil channel structures further include be opened in second planet carrier respectively radially second Piston transition passage, the second balance transition passage, third piston transition passage, third balance transition passage；
The second piston transition passage is connected to the second clutch plunger shaft and second piston accessory channel, and described the Two balance transition passages are connected to the second clutch counter balance pocket and the second balance accessory channel；The third piston transition Channel is connected to the third clutch piston cavity and third piston accessory channel, the third balance transition passage connection described the Three clutch counter balance pockets and the third balance accessory channel；And the third balance transition passage balances transition with described second Channel is connected to, and the third balance accessory channel is overlapped with the second balance accessory channel.
Further, the main oil inlet oil channel structures further include the second cylinder sleeve knot being set on second sun gear Structure, and it is set to multiple second sealing rings on the input shaft；And the second cylinder sleeve structure is corresponding with the input shaft, institute The second sealing ring is stated to contact with the second cylinder sleeve close structure, the second piston accessory channel, second balance accessory channel, Third piston accessory channel, third balance accessory channel respectively every between two second sealing rings；
Multiple second cylinder sleeve oil ducts are offered in the second cylinder sleeve structure, the second piston accessory channel and second live Fill between transition passage, between the second balance accessory channel and the second balance transition passage, third piston accessory channel and third Pass through second cylinder sleeve between piston transition passage, between third balance accessory channel and third balance transition passage Oil duct corresponds to connection.
Further, the main oil inlet oil channel structures further include the third cylinder sleeve knot being set to outside second planet carrier Structure, and it is set to multiple third sealing rings on second sun gear；And the third cylinder sleeve structure and second sun Wheel corresponds to, and the third sealing ring is contacted with the third cylinder sleeve close structure, the second piston transition passage, the second balance Transition passage, third piston transition passage, third balance transition passage respectively every between two second sealing rings；
Multiple third cylinder sleeve oil ducts are offered in the third cylinder sleeve structure, the second clutch plunger shaft is lived with second Fill between transition passage, between second clutch counter balance pocket and the second balance transition passage, third clutch piston cavity and third Pass through a third cylinder sleeve between piston transition passage, between third clutch counter balance pocket and third balance transition passage Oil duct corresponds to connection.
Further, the main oil inlet oil channel structures further include being opened in the planet row profit of the input shaft radially respectively Slide-through road, the planet row lubrication channel are connected to the 4th main oil gallery and first planet row structure.
Further, first main oil gallery, the second main oil gallery, third main oil gallery and the 4th main oil gallery are disposed as one end The closed blind hole of open at one end, and the open end of first main oil gallery, the second main oil gallery, third main oil gallery and the 4th main oil gallery Pass through ball sealer interference seal.
Further, the first clutch oil circuit includes being formed in the first clutch outer hub and first clutch First clutch lubrication chamber between hub, and be opened in the first clutch on hub and with the first clutch Hub lubrication channel in main body corresponding first, and hub lubrication channel is moistened by the first clutch in described first Sliding cooling chamber is connected to the 4th main oil gallery；
The second clutch oil circuit include be opened in the second clutch on hub and with the second clutch master Hub lubrication channel in body corresponding second, and it is opened in the first outer hub lubrication outside the first clutch on hub Channel, and hub lubrication channel passes through hub lubrication in the described first outer hub lubrication channel, first in described second Channel and first clutch lubrication chamber are connected to the 4th main oil gallery；
The third clutch oil circuit include be opened in the third clutch on hub and with the third clutch master Hub lubrication channel in the corresponding third of body, and hub lubrication channel is cold by the described first outer hub lubrication in the third But channel, hub lubrication channel and first clutch lubrication chamber are connected to the 4th main oil gallery in first.
Further, the main oil inlet oil channel structures further include the 5th main oil gallery being opened in the shell structure；
The brake oil circuit includes that the brake being formed between the brake plunger cylinder and brake plunger bar is lived Fill in chamber, be opened in the brake on hub and with brake main body corresponding brake lubrication channel, be opened in The second outer hub lubrication channel on the outer hub of the second clutch is opened in outside the third on the outer hub of the third clutch Hub lubrication channel, and the gear ring lubrication channel that is opened on second gear ring；And the brake plunger chamber It is connected to the 5th main oil gallery, brake lubrication channel passes through gear ring lubrication channel, the second outer hub Lubrication channel, the outer hub lubrication channel of third are lubricated with hub in hub lubrication channel and described second in the third Cooling duct is connected to.
In addition, the present invention also proposes a kind of electric control hydraulic formula automatic transmission, including clutch feed system as described above System.
The present invention has the advantages that protrude as follows：
1, multi-clutch module is arranged by the reasonable combination of inside and outside nested nido structure, realizes three wet clutch knots The modularization Integrated design of structure and a brake structural so that shared axial dimension is shorter, compact-sized, is more advantageous to automatically controlled The complete machine of fluid pressure type automatic transmission is arranged；
2, multi-clutch module has novel clutch feed system, and three clutch configurations and one can be achieved respectively The plunger shaft of brake structural, the fuel feeding of counter balance pocket and lubrication；
3, multi-clutch module axial dimension is short, compact overall structure, therefore can be flexibly applied to six grades of electrical-control hydraulics Automatic transmission；In addition, on the basis of the multi-clutch module, by increasing planet row in its front end or rear end, and at it Radial outer end increases brake or one-way clutch, it can be achieved that in such as eight grades of more gears or nine grades of electrical-control hydraulic fluid drives Application in device；
4, multi-clutch modular structure is more compact, is more advantageous to shortening axial space, is conducive to light-weight design, is conducive to Reduce cost；
5, it is excellent to take full advantage of multi-clutch module component structural itself for the clutch feed system of multi-clutch module Gesture, arranges the different oil ducts needed for plunger shaft and counter balance pocket and lubrication, and multi-clutch module itself need not increase Additional oil duct component structural, reduces manufacturing cost；
6, the clutch feed system of multi-clutch module utilizes an input shaft, by arranging multiple axial oil ducts and diameter To oil duct, the mutually independent oil duct of multichannel is formed, the demand of multi-clutch module multichannel oil circuit fuel feeding, and the input shaft are realized For the elongated profile shaft for common type in transmission for vehicles, structure is easily realized, simple for process, reduces manufacturing cost.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of multi-clutch module described in the embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view of clutch feed system described in the embodiment of the present invention；
Fig. 3 is the dimensional structure diagram one of the input shaft of clutch feed system described in the embodiment of the present invention；
Fig. 4 is the dimensional structure diagram two of the input shaft of clutch feed system described in the embodiment of the present invention.
Reference sign：
1- first clutch structures, 11- first clutch friction plates, 12- first clutch steel discs, 13- first clutches End steel disc, 14- first clutch snap rings, the 15- first clutch piston bodies of rod, 16- first clutch piston chamber lids, 17- One return spring group, 18- first clutches balance chamber lid, 19- first clutch chamber lid snap rings, 20- first clutch pistons are close Seal ring, hub in 21- first clutches, the outer hub (hub in second clutch) of 22- first clutches, 3- second clutch structures, 31- Second clutch friction plate, 32- second clutch steel discs, 33- second clutches end steel disc, 34- second clutch snap rings, The 35- second clutch piston bodies of rod, 36- the second return spring groups, 37- second clutches balance chamber lid, 38- second clutch chambers Lid snap ring, the outer hub of 39- second clutches (the outer hub of third clutch), 40- oil duct axis, 41- the first cylinder sleeve structures, 5- third clutches Device structure, 51- third clutch friction plates, 52- third clutch steel discs, 53- third clutches end steel disc, 54- thirds from Clutch snap ring, the 55- third clutch plunger bodies of rod, 56- third return spring groups, 57- third clutches balance chamber lid, 58- the Hub (the first gear ring) in three clutches, 6- brake structurals, 61- brake bush, 62- brake steel discs, 63- brakes end Hold steel disc, 64- brake steel disc snap rings, the 65- brake plunger bodies of rod, 66- brake plunger cylinders, 67- brake plunger cylinder cards Ring, 68- brake return spring groups, hub in 69- brakes, the first planet row structures of 7-, the first sun gears of 71-, 72- the first rows Carrier, 73- first gear gaskets, 74- first gear needle rollers, the first planetary gears of 75-, the second planet row structures of 8-, 81- second is too Sun wheel, the second planetary gears of 82-, 83- second gear needle rollers, 84- second gear gaskets, the second planet carriers of 85-, the second gear rings of 86-, 9- input shafts, 10- shell structures, (91,92)-first bearing, 93- second bearings, 94- 3rd bearings, 95- third sealing rings, The second sealing rings of 96-, 97- third cylinder sleeve structures, 98- the second cylinder sleeve structures, the first sealing rings of 99-, (101,102,103, 104)-ball sealer, the first oil ducts of f1-, the second oil ducts of f2-, f3- third oil ducts, the 4th oil ducts of f4-, 1a- first clutch pistons Chamber, 1b- first clutch counter balance pockets, 3a- second clutch plunger shafts, 3b- second clutch counter balance pockets, 5a- third clutches Plunger shaft, 5b- third clutch counter balance pockets, 6a- brake plunger chambers, 8b- second piston accessory channels, 8a- second balances auxiliary Help channel (third balance accessory channel), 8c- third piston accessory channels, 8e- second piston transition passages, the balances of 8d- second Transition passage, 8h- third piston transition passages, 8f- thirds balance transition passage, and 8g- the 4th assists transition passage, 9c- first Main oil gallery, the second main oil gallerys of 9h-, 9j- third main oil gallerys, the 4th main oil gallerys of 9a-, the connection oil ducts of 9m- first, the connections of 9n- second Oil duct, 9p thirds connect oil duct, the connection oil ducts of 9r- the 4th, 9d- first piston oil ducts, the balance oil ducts of 9e- first, the work of 9i- second Oil duct is filled in, 9g- second balances oil duct (third balance oil duct), 9k- third piston oil ducts, the 5th main oil gallerys of 10a-, 21a- first Interior hub lubrication channel, hub lubrication channel (the first outer hub lubrication channel) in 22a- second, the outer hub of 39a- thirds Lubrication channel, the second outer hub lubrications of 39b- channel, the first oil inlet passages of 40b-, the second oil inlet passages of 40c-, 40d- Third oil inlet passage, the 4th oil inlet passages of 40a-, (41b, 41c, 41d, 41a)-the first cylinder sleeve oil duct, hub lubrication in 58a- thirds Cooling duct, 66a- piston cylinder oil ducts, 69a- brake lubrications channel, 86a- gear ring lubrications channel, (97a, 97b)-third cylinder sleeve oil duct, (98a, 98b, 98c)-the second cylinder sleeve oil duct.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein phase in each figure Same label indicates identical part.The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining this hair It is bright, and it is not understood to limitation of the present invention.
As shown in Figure 1, the present invention proposes a kind of multi-clutch module, including shell structure 10, it is set to the shell structure Input shaft 9, the first planet row structure 7 in 10, the second planet row structure 8, first clutch structure 1, second clutch structure 3, third clutch configuration 5 and brake structural 6.Multiple clutch configurations, brake structural and planet row structure are constituted upper Multi-clutch module is stated, by engagement and the separation of different clutch configurations, it can be achieved that the switching of different stalls.Moreover, passing through Multiple clutch configurations, brake structural and planet row structure are set, gear number can be increased so that the fuel consumption of automobile is more Low, economy is more preferable.
Moreover, 7 and second planet row structure 8 of above-mentioned first planet row structure is respectively arranged at 9 both ends of input shaft, this One clutch configuration 1, second clutch structure 3, third clutch configuration 5 and brake structural 6 are set to first planet row Between structure 7 and the second planet row structure 8, and the first clutch structure 1 is connected to second planet row structure 8 and input shaft On 9, which is connected on the second planet row structure 8 and input shaft 9, which is connected to On first planet row structure 7 and input shaft 9, which is connected in the second planet row structure 8 and shell structure 10. In this way, convenient for above-mentioned multiple clutch configurations and brake structural and the planet row structure of both sides are attached, also allow for by Multiple clutch configurations and brake structural carry out centralized arrangement.Moreover, the first clutch structure 1 is located at 9 radial direction of input shaft Outside, the second clutch structure 3 and third clutch configuration 5 are located side by side at 1 outside of first clutch structure, and the brake Structure 6 is located at 5 outside of second clutch structure 3 and third clutch configuration.In this way, it is possible to by three clutch configurations and one A brake structural is designed using the nido structure assembly of inside and outside nesting at one piece, even if obtaining multiple clutch configurations and brake Structure is more likely to ground Relatively centralized, so that multiple clutch configurations can accomplish sufficient nested cloth with brake structural It sets, so that the arrangement of clutch configuration and brake structural realizes the integrated of height.In this way, size shared by axial direction is not more than Two clutch configurations shared size when individually axial arranged, more effectively shortens axial space so that axial arrangement is tighter It gathers, is more advantageous to complete machine arrangement of the speed changer on the horizontal vehicle of preposition forerunner.
Further, above-mentioned first planet row structure 7 includes the first sun gear 71 and first for being set to 9 one end of input shaft Planet carrier 72, the first planetary gear 75 for being set in first planet carrier 72 and being engaged with the first sun gear 71, and and the first row The first gear ring 58 that star-wheel 75 engages.First sun gear 71 can drive the first planetary gear 75 to rotate, to the first gear ring 58 of driving Rotation.Moreover, first planet row structure 7 further includes between being set to 75 radial direction of first planet carrier 72 and the first planetary gear One cog spacers 73, for being filled to radial clearance between the two.First planet row structure 7 further includes being set to First gear needle roller 74 between 75 axial direction of one planet carrier 72 and the first planetary gear, on the one hand can be between axial direction between the two Gap is filled, and is on the other hand also convenient for the two and is relatively rotated.In addition, first planet row structure 7 further includes being set to first First bearing (91,92) between sun gear 71 and the first gear ring, between the first gear ring and first clutch structure, it is ensured that It can be relatively rotated between first sun gear 71 and the first gear ring, between the first gear ring and first clutch structure.
In addition, second planet row structure 8 includes the second sun gear 81 and for being set to 9 other end of the input shaft Two planet carriers 85, the second planetary gear 82 for being set on the second planet carrier 85 and being engaged with the second sun gear 81, and with second The second gear ring 86 that planetary gear 82 engages.Second sun gear 81 can drive the second planetary gear 82 to rotate, to the second gear ring of driving 86 rotations.Moreover, second planet row structure 8 further includes being set between 82 radial direction of the second planet carrier 85 and the second planetary gear Second gear gasket 84, for being filled to radial clearance between the two.Second planet row structure 8 further includes being set to Second gear needle roller 83 between 82 axial direction of second planet carrier 85 and the second planetary gear, on the one hand can be to axial direction between the two Gap is filled, and is on the other hand also convenient for the two and is relatively rotated.In addition, between the second planet carrier 85 and the second sun gear 81 also It is provided with second bearing 93, ensures that the two can relatively rotate；It is provided with 3rd bearing between second sun gear 81 and input shaft 9 94, it is also ensured that the two can relatively rotate.
Moreover, above-mentioned first clutch structure 1 is connected on input shaft 9 and the second sun gear 81, pass through first clutch Structure 1 can realize the combination of input shaft 9 and the second sun gear 81 and detach, it can be achieved that a kind of shift form；Above-mentioned second clutch Device structure 5 is connected on input shaft 9 and the second planet carrier 85, and input shaft 9 and the second row can be realized by second clutch structure 3 The combination and separation of carrier 85 are, it can be achieved that another shift form；Above-mentioned third clutch configuration 5 is connected to 58 He of the first gear ring On second planet carrier 85, the combination and separation of the first gear ring 58 and the second planet carrier 85 can be realized by third clutch configuration 5, Another kind shift form can be achieved；Above-mentioned brake structural 6 is connected on shell structure 10 and the second sun gear 81 or is connected to In shell structure 10 and the second planet carrier 85, the second gear ring 86 every between second clutch structure 3 and brake structural 6, The braking to the second sun gear 81 or the second planet carrier 85 can be realized by the brake structural 6.
In addition, above-mentioned first clutch structure 1, second clutch structure 3, third clutch configuration 5 and brake structural It may be configured as multi-plate wet clutch.Further, which includes being set to input shaft 9 and second First clutch shell on sun gear 81, and the first clutch main body that is set in first clutch shell and first from Clutch piston structure；And first clutch main body is connected on first clutch shell, first clutch piston structure one end with First clutch main body correspondence, the other end and input shaft 9 connect.The first clutch can be driven by first clutch piston structure Device main body and first clutch shell combine or separation, to realize the input shaft 9 and second being connect with first clutch shell The combination or separation of sun gear 81.
Further, above-mentioned first clutch shell includes hub 21 in the first clutch being connect with the second sun gear 81, And connect with input shaft 9 and in the first clutch 21 outside of hub (referring to the side far from input shaft radial direction) first from Hub 22 outside clutch；Above-mentioned first clutch main body includes the multi-disc first clutch friction being set in first clutch on hub 21 Piece 11, and it is set to the multi-disc first clutch steel disc 12 outside first clutch on hub 22, and multi-disc first clutch friction Piece 11 is arranged at intervals between multi-disc first clutch steel disc 12.The first clutch can be driven by first clutch piston structure Device friction plate 11 and first clutch steel disc 12 clamp, and can clamp entire first clutch main body and be integrated, to will be with the Hub 21 and the first clutch being connect with first clutch steel disc 12 in the first clutch of one clutch friction plate 11 connection Outer hub 22 links together, to which input shaft 9 and the second sun gear 81 link together.In addition, the first clutch main body Further include be set to the first clutch end steel disc 13 of outermost (referring to the side far from first clutch piston structure), and It is set to the first clutch snap ring 14 between hub 22 outside first clutch end steel disc 13 and first clutch, being convenient for will be entire First clutch main body clamping.Moreover, hub 21 can be connect with the second sun gear 81 by welding manner solidity in first clutch, Hub 22 can be connect with input shaft 9 by welding manner solidity outside first clutch, first clutch friction plate 11 and the first clutch Hub 21 can be connected by the spline of clearance fit in device, and first clutch steel disc 12 and first clutch end steel disc 13 can be with The outer hub 22 of first clutch is connected by the spline of clearance fit.
Moreover, above-mentioned first clutch piston structure includes being set to hub 21 and the outer hub of first clutch in first clutch The first clutch piston body of rod 15 between 22,15 one end of the first clutch piston body of rod is corresponding with first clutch main body, The other end and input shaft 9, which are tightly connected, (to be arranged first clutch to live i.e. between input shaft 9 and the first clutch piston body of rod 15 Plug sealing ring 20 is connected and sealed so that first clutch piston rod 15 can keep sealing between input shaft 9, simultaneously also Can be slided along 9 surface of input shaft) so that the first clutch piston body of rod 15 can be moved to both sides, thus by the first clutch Device main body clamps (combining) or loosens and (detach).Moreover, above-mentioned first clutch piston structure further includes being connected to input First clutch piston chamber lid 16 (first on axis 9 and between hub 22 outside hub 21 in first clutch and first clutch One end of clutch plunger chamber lid 16 is directly anchored on input shaft 9) and first clutch balance chamber lid 18 (pass through the first clutch Device chamber lid snap ring 19 fixes on input shaft 9), and first clutch piston chamber lid 16 and first clutch balance chamber lid 18 are distinguished (being connected and sealed by sealing ring or gasket, the two is not fixed) is tightly connected in the first clutch piston body of rod 15 both sides, and be connected to the first clutch piston body of rod 15 and first clutch balance chamber lid 18 between the first return spring Group 17.The first clutch piston body of rod 15 can be under action of hydraulic force to the direction shifting closer or far from first clutch main body It is dynamic, so that first clutch main body is combined or is detached.Moreover, first clutch piston chamber lid 16 and first clutch balance chamber lid 18 (but will not being fixed the first clutch piston body of rod 15) can be supported to the first clutch piston body of rod 15 from both sides, Keep the first clutch piston body of rod 15 reliable and stable, moreover it is possible to move freely.
In addition, above-mentioned second clutch structure 3 include be set on the input shaft 9 and the second planet carrier 85 second from Clutch shell, and the second clutch main body and second clutch piston structure that are set in second clutch shell, and Two clutch housings are located at first clutch hull outside (referring to far from the radial side of input shaft 9)；And second clutch main body It is connected on second clutch shell, second clutch piston structure one end is corresponding with second clutch main body, the other end and institute State the connection of the second planet carrier 85.Second clutch main body and second clutch shell can be driven by second clutch piston structure Body combine or separation, to realize with second clutch shell connect input shaft 9 and the second planet carrier 85 combination or detach.
Moreover, second clutch shell includes hub in the second clutch being connect with input shaft 9, and with the second planet carrier 85 connect and are located at the hub second clutch in second clutch on the outside of hub outer, and hub is located at first clutch in second clutch 22 outside of outer hub or homonymy；Second clutch main body includes the multi-disc second clutch friction being set in second clutch on hub Piece 31, and it is set to the multi-disc second clutch steel disc 32 outside second clutch on hub, and multi-disc second clutch friction plate 31 are arranged at intervals between multi-disc second clutch steel disc 32.Second clutch can be driven by second clutch piston structure Friction plate 31 is clamped with second clutch steel disc 32, can be clamped entire second clutch main body and is integrated, thus will be with second Hub outside hub and the second clutch that is connect with second clutch steel disc 32 in the second clutch that clutch friction plate 31 connects It links together, to which input shaft 9 and the second planet carrier 85 link together.In addition, the second clutch main body further includes It is set to the second clutch end steel disc 33 of outermost (referring to the side far from second clutch piston structure), and is set to Second clutch snap ring 34 between second clutch end steel disc 33 and the outer hub of second clutch, is convenient for entire second clutch Device main body clamping.Moreover, the outer hub 39 of second clutch is connect with the second planet carrier 85 by welding manner solidity, second clutch Friction plate 31 is connect with the outer hub 22 of first clutch by the spline of clearance fit, second clutch steel disc 32 and second clutch End steel disc 33 is connect with hub outside second clutch 39 by the spline of clearance fit.
Above-mentioned second clutch piston structure includes being set between the outer hub of hub and second clutch in second clutch 39 The second clutch piston body of rod 35,35 one end of the second clutch piston body of rod is corresponding with second clutch main body, the other end with (second clutch is arranged between the second planet carrier 85 and the second clutch piston body of rod 35 in the sealed connection of second planet carrier 85 Piston packing ring is connected and sealed so that and second clutch piston rod 35 can keep sealing between the second planet carrier 85, Can also be slided simultaneously along 85 surface of the second planet carrier) so that the second clutch piston body of rod 35 can be moved to both sides, to Second clutch main body is clamped into (combining) or loosens and (detaches).Second clutch piston structure further includes being connected to second Second clutch piston chamber lid (second on planet carrier 85 and between hub in second clutch and the outer hub of second clutch One end of clutch plunger chamber lid can be directly anchored on the second planet carrier 85) and second clutch balance chamber lid 37 (by the Two clutch chamber lid snap rings 38 fix on the second planet carrier 85), and second clutch piston chamber lid and second clutch balance Chamber lid 37 is tightly connected (is connected and sealed by sealing ring or gasket, the two is not fixed) respectively in the second clutch 35 both sides of the device piston body of rod, and be connected between the second clutch piston body of rod 35 and second clutch balance chamber lid 37 the Two return spring groups 36.The second clutch piston body of rod 35 can be under action of hydraulic force to closer or far from second clutch main body Direction movement, make second clutch main body combine or separation.Moreover, second clutch piston chamber lid and second clutch balance Chamber lid 37, which can be supported the second clutch piston body of rod 35 from both sides, (but will not consolidate the second clutch piston body of rod 35 Fix), keep the second clutch piston body of rod 35 reliable and stable, moreover it is possible to move freely.
In addition, above-mentioned third clutch configuration 5 include be set to third on the first gear ring 58 and the second planet carrier 85 from Clutch shell, and the third clutch main body and third clutch plunger structure that are set in third clutch housing.And the Three clutch main bodies are connected on third clutch housing, third clutch plunger structure one end and third clutch main body pair It answers, the other end is connect with the second planet carrier 85.Third clutch main body and can be driven by third clutch plunger structure Three clutch housings combine or separation, to realize the first gear ring 58 and the second planet carrier 85 that are connect with third clutch housing Combination or separation.Moreover, third clutch housing is arranged side by side with second clutch shell, so that second clutch knot Structure is disposed side by side on third clutch configuration on the axial direction of input shaft 9, can rationally utilize the radial direction of input shaft 9 in this way And axial space so that three clutch configurations and a brake structural compact and reasonable arrangement will not make radial occupancy empty Between it is excessive.
Moreover, third clutch housing includes hub in the third clutch being connect with the first gear ring 58, and with the second row The outer hub of third clutch that carrier 85 connects and (refers to far from the radial side of input shaft 9) on the outside of hub in third clutch, Hub is located at outside or the homonymy of the outer hub of first clutch in third clutch；Third clutch main body includes being set to third clutch Multi-disc third clutch friction plate 51 in device on hub, and it is set to the multi-disc third clutch steel outside third clutch on hub Piece 52, and multi-disc third clutch friction plate 51 is arranged at intervals between multi-disc third clutch steel disc 52.Pass through third clutch Device piston structure can drive third clutch friction plate 51 to be clamped with third clutch steel disc 52, can be by entire third clutch Main body clamping be integrated, to by hub in the third clutch being connect with third clutch friction plate 51 and with third clutch The outer hub of third clutch that device steel disc 52 connects links together, to which the first gear ring 58 and the second planet carrier 85 are connected to one It rises.In addition, the third clutch main body further includes being set to outermost (referring to the side far from third clutch plunger structure) Third clutch end steel disc 53, and it is set to the third outside third clutch end steel disc 53 and third clutch between hub Clutch snap ring 54 is convenient for entire third clutch main body clamping.Moreover, third clutch friction plate 51 and third clutch Interior hub 58 is connected by the spline of clearance fit, third clutch steel disc 52 and third clutch end steel disc 53 with third from The outer hub of clutch is connected by the spline of clearance fit.
Above-mentioned third clutch plunger structure includes being set in third clutch between hub and the outer hub of third clutch The third clutch plunger body of rod 55,55 one end of the third clutch plunger body of rod (can refer to across second across second clutch main body Region where clutch main body, and not only refer to across second clutch main body itself, it in this way can be by third clutch Piston structure and second clutch piston structure are arranged in the same side, convenient for third clutch plunger structure and second clutch Piston structure carries out integrally disposed, can further decrease occupied space), the other end corresponding with third clutch main body and the second row Carrier 85 is tightly connected (it is close to be arranged third clutch plunger i.e. between the second planet carrier 85 and the third clutch plunger body of rod 55 Seal ring is connected and sealed so that the third clutch plunger body of rod 55 can keep sealing between the second planet carrier 85, simultaneously Can also be slided along 85 surface of the second planet carrier) so that the third clutch plunger body of rod 55 can be moved to both sides, to by the Three clutch main bodies clamp (combining) or loosen and (detach).Third clutch plunger structure further includes being connected to the second planet Third clutch plunger chamber lid (third clutch on frame 85 and between hub in third clutch and the outer hub of third clutch One end of device piston chamber lid can be directly anchored on the second planet carrier 85) and third clutch balance (the third clutch of chamber lid 57 One end of balance chamber lid can be also directly anchored on the second planet carrier 85, or be fixed second by third clutch chamber lid snap ring On planet carrier 85), and third clutch plunger chamber lid and third clutch balance chamber lid are tightly connected (pass through sealing ring respectively Or gasket is connected and sealed, and the two is not fixed) in 55 both sides of the third clutch plunger body of rod, and be connected to described Third return spring group 56 between the third clutch plunger body of rod 55 and third clutch balance chamber lid 57.Similarly, third from The clutch piston body of rod 55 can make third clutch under action of hydraulic force to the direction movement closer or far from third clutch main body Device main body combines or separation.Moreover, third clutch plunger chamber lid and third clutch balance chamber lid 57 can be from both sides to third The clutch plunger body of rod 55 is supported (but will not be fixed the third clutch plunger body of rod 55), and third clutch is made to live Stopper rod body 55 is reliable and stable, moreover it is possible to move freely.
In addition, above-mentioned brake structural 6 includes the arrester shell being set in shell structure 10 and the second planet row structure 8 Body, and the brake main body and brake plunger structure that are set in brake casing, brake casing pass through the second gear ring Every set on the outside of second clutch shell and third clutch housing；And brake main body is connected on brake casing, system Actuator piston structure one end is corresponding with brake main body, the other end and shell structure 10 connect.It can by brake plunger structure To drive brake main body and brake casing to combine or separation, to realize the shell structure 10 being connect with brake casing and The combination or separation of second planet row structure 8.
Further, above-mentioned brake casing includes in the brake being connect with the second planet carrier 85 or the second sun gear 81 Hub, and the brake of (side for referring to separate input shaft radial direction) is connect and is located in brake on the outside of hub with shell structure 10 Outer hub, in brake hub by the second gear ring on the outside of the hub outside third clutch；Brake main body includes being set to braking Multiple-disc brake friction plate 61 in device on hub, and it is set to the multiple-disc brake steel disc 62 outside brake on hub, and multi-disc Brake bush 61 is arranged at intervals between multiple-disc brake steel disc 62.Brake can be driven by brake plunger structure Friction plate 61 is clamped with brake steel disc 62, can be clamped entire brake main body and is integrated, thus will be with brake bush Hub links together outside hub and the brake that connect with brake steel disc 62 in the brakes of 61 connections, thus by the second row Carrier 85 (or second sun gear 81) and shell structure 10 link together.In addition, the brake main body further includes being set to most The brake end steel disc 63 in outside (referring to the side far from brake plunger structure), and it is set to brake end steel disc 63 And the brake snap ring 64 outside brake between hub, it is convenient for entire brake main body clamping.Moreover, brake bush 61 with Hub 69 is connected by the spline of clearance fit in brake, brake steel disc 62 and brake end steel disc 63 and shell structure 10 It is connected by the spline of clearance fit.
Moreover, above-mentioned brake plunger structure further includes the brake plunger cylinder 66 being connected in shell structure 10, setting Brake plunger bar 65 in brake plunger cylinder 66, and be set on brake plunger bar 65 and connect with shell structure 10 The brake return spring group 67 connect, 65 one end of brake plunger bar and brake plunger cylinder 66 be slidably connected, the other end and system Dynamic device main body corresponds to.The brake plunger body of rod 65 can horizontally slip under action of hydraulic force in brake plunger cylinder 66, to To the direction movement closer or far from brake main body, brake main body is made to combine or detach.
Moreover, the outer hub of the first clutch is set as hub in second clutch simultaneously, the first clutch may be implemented in this way Device shell and first clutch structure are arranged with second clutch shell and the Top-down design of second clutch structure；Moreover, the The outer hub of two clutches is set as the outer hub of third clutch simultaneously, and second clutch shell and second clutch knot may be implemented in this way Structure is arranged with the horizontal integrating of third clutch housing and third clutch configuration；Moreover, the first gear ring is set as third simultaneously Third clutch housing and third clutch configuration and the first gear ring and the first planet row knot may be implemented in hub in clutch in this way The horizontal integrating of structure is arranged；Moreover, shell structure is set as the outer hub of brake simultaneously, brake casing and system may be implemented in this way Dynamic device structure and shell structure it is integrally disposed.In addition, third clutch balance chamber lid is set as second clutch piston simultaneously Chamber lid, the outer hub of third clutch are set as third clutch plunger chamber lid simultaneously, second clutch piston knot may be implemented in this way Structure and second clutch structure and third clutch plunger structure and third clutch configuration it is integrally disposed.It is thus possible to real Existing first clutch structure, second clutch structure, third clutch configuration and brake structural are radial and axial in input shaft On it is integrally disposed, keep total compact simple.
In addition, the second sun gear 81 includes being set to the second sun axle portion of input shaft 9 and connecting with the second sun axle portion The second sun wheel body connect, the second sun axle portion are nibbled close to the first planet row structure 7, the second planetary gear with the second sun wheel body It closes；Moreover, the second planet carrier 85 includes being sheathed on planet carrier axial part in the second sun axle portion, and with planet carrier axial part Planet carrier radial part connected vertically, the second planetary gear are set in planet carrier radial part, first clutch structure, the second clutch Device structure, third clutch configuration are set between the first planet row structure and planet carrier radial part；The outer hub of first clutch leans on Nearly first planet row structure setting, hub is connected to second sun axle portion end in the first clutch；The third from The outer hub of clutch is connected in the second sun axle portion, and second clutch piston structure and third clutch plunger structure are all connected to go In carrier axial part.In this way, being convenient for second clutch piston structure and third clutch plunger structure setting in the second planet Frame 85 it is radial and axial on, so that second clutch piston structure and third clutch plunger structure setting is obtained compacter, collect At degree higher.
In addition, as shown in Figure 1 to Figure 2, the present invention also proposes a kind of clutch feed system, including as described above mostly from Clutch module, and it is set to multi-clutch mould clutch oil line structure in the block.By clutch oil line structure to more clutches Device mould multiple clutch configurations in the block and brake structural fuel feeding, ensure its normal work.Moreover, the clutch oil line structure Including main oil inlet oil channel structures, and the first clutch oil circuit, the second clutch that are connected to respectively with main oil inlet oil channel structures are oily Road, third clutch oil circuit and brake oil circuit.And first clutch oil circuit is corresponding with first clutch structure 1, be first from 1 fuel feeding of clutch structure；Second clutch oil circuit is corresponding with second clutch structure 3, is 1 fuel feeding of second clutch structure；Third Clutch oil circuit is corresponding with third clutch configuration 5, is 5 fuel feeding of third clutch configuration；Brake oil circuit and brake structural 6 It is corresponding, it is 6 fuel feeding of brake structural.To form be required pressure oil liquid when providing work for first clutch structure 1 the One oil duct f1 provides the second oil duct f2 of required pressure oil liquid when work for second clutch structure 3, is third clutch configuration The third oil duct f3 of 5 required pressure oil liquids when work is provided, and while providing work for multi-clutch module required cooling oil The 4th oil duct f4, fluid by automatic transmission fueller for example oil pump provide.
Moreover, as shown in Figure 3 to Figure 4, above-mentioned main oil inlet oil channel structures include axially being opened in input shaft 9 simultaneously phase respectively Mutual independent first main oil gallery 9c, the second main oil gallery 9h, third main oil gallery 9j and the 4th main oil gallery 9a.Moreover, the main oil inlet oil Line structure further includes the oil duct axis 40 being connect with input shaft 9, and is opened in the first oil inlet of oil duct axis 40 radially respectively and leads to Road 40b, the second oil inlet passage 40c, third oil inlet passage 40d and the 4th oil inlet passage 40a；Further include being opened in input shaft respectively 9 the first connection oil duct 9m, the second connection oil duct 9n, the third connection oil duct 9r of connection oil duct 9p and the 4th radially, and first Oil inlet passage 40b is connected to by the first connection oil duct 9m with the first main oil gallery 9c, and the second oil inlet passage 40c passes through the second connection oil Road is connected to second main oil gallery, and the third oil inlet passage connects oil duct 9n and third main oil gallery 9j by the third and connects Logical, the 4th oil inlet passage 40a is connected to 9a by the 4th connection oil duct 9r with the 4th main oil gallery.
Further, above-mentioned main oil inlet oil channel structures further include the first cylinder sleeve structure 41 being set on oil duct axis 40, with And it is set to multiple first sealing rings 99 on input shaft 9.And first cylinder sleeve structure 41 it is corresponding with input shaft 9, the first sealing ring 99 It is in close contact with the first cylinder sleeve structure 41, the first connection oil duct 9m, the second connection oil duct 9n, third connection oil duct 9p and the 4th connect Oil duct 9r is met respectively every between two the first sealing rings 99, and guarantee is sealed each connection oil duct.Moreover, the first cylinder Multiple first cylinder sleeve oil ducts (41b, 41c, 41d, 41a), the connection oil of the first oil inlet passage 40b and first are offered on nested structure 41 Between road 9m, between the connections of the second oil inlet passage 40c and second oil duct 9n, third oil inlet passage 40d oil duct 9p is connected with third Between, between the connections of the 4th oil inlet passage 40a and the 4th oil duct 9r by a first cylinder sleeve oil duct (41b, 41c, 41d, 41a) corresponding connection.
Moreover, above-mentioned first clutch oil circuit includes being formed in first clutch piston chamber lid 16 and first clutch piston First clutch plunger shaft 1a between the body of rod 15, and it is formed in first clutch balance chamber lid 18 and first clutch piston First clutch counter balance pocket 1b between the body of rod 15, and first clutch plunger shaft 1a is connected to 9c with the first main oil gallery, first from Clutch counter balance pocket 1b is connected to the 4th main oil gallery 9a.Moreover, main oil inlet oil channel structures further include being opened in 9 radial direction of input shaft respectively On the balances of first piston oil duct 9d and first oil duct 9e, first piston oil duct 9d be connected to first clutch plunger shaft 1a and first Main oil gallery 9c, the first balance oil duct 9e are connected to first clutch counter balance pocket 1b and the 4th main oil gallery 9a.Fluid is successively by arrangement The first oil inlet passage 40b on oil duct axis 40, the oil duct 41b being arranged in the first cylinder sleeve structure 41 are arranged on input shaft 9 The first connection oil duct 9m, the first main oil gallery 9c, first piston oil duct 9d, into belong to the first of first clutch structure 1 from Clutch plunger shaft 1a, the fluid are supplied with pressure, and friction plate and steel disc is made to generate axial displacement to impaction state is in, in fact Existing clutch engagement.In addition, fluid is arranged in the first cylinder successively by the 4th oil inlet passage 40a being arranged on oil duct axis 40 The first cylinder sleeve oil duct 41a on nested structure 41, be arranged in oil duct the 4th on input shaft 9 connect oil duct 9r, the 4th main oil gallery 9a, First balance oil duct 9e, into first clutch counter balance pocket 1b, required fluid when providing work for first clutch counter balance pocket 1b, Realize its fluid demand.
In addition, above-mentioned second clutch oil circuit includes being formed in second clutch piston chamber lid and second clutch work Second clutch plunger shaft 3a between stopper rod body, and it is formed in second clutch balance chamber lid and second clutch piston rod Second clutch counter balance pocket 3b between body, and second clutch plunger shaft 3a is connected to the second main oil gallery 9h, second clutch Counter balance pocket 3b is connected to the 4th main oil gallery 9a.Moreover, main oil inlet oil channel structures further include being opened in input shaft 9 respectively radially The balances of second piston oil duct 9i and second oil duct 9g, second piston oil duct 9i are connected to the main oil of second clutch plunger shaft 3a and second Road 9h, the second balance oil duct 9e are connected to second clutch counter balance pocket 3b and the 4th main oil gallery 9a.Fluid is successively by being arranged in oil The second oil inlet passage 40c on road axis 40, the oil duct 41c being arranged in the first cylinder sleeve structure 41, be arranged on input shaft 9 Two connection oil duct 9n, the second main oil gallery 9h, second piston oil duct 9i, into the second clutch for belonging to second clutch structure 3 Plunger shaft 3a, the fluid are supplied with pressure, and friction plate and steel disc is made to generate axial displacement to impaction state is in, realize from Clutch engages.In addition, fluid is arranged in the first cylinder sleeve knot successively by the 4th oil inlet passage 40a being arranged on oil duct axis 40 The first cylinder sleeve oil duct 41a on structure 41, the oil duct the 4th being arranged on input shaft 9 connect oil duct 9r, the 4th main oil gallery 9a, second Oil duct 9g is balanced, into second clutch counter balance pocket 3b, required fluid, realization when providing work for second clutch counter balance pocket 3b Its fluid demand.
In addition, above-mentioned third clutch oil circuit includes being formed in third clutch plunger chamber lid and third clutch plunger bar Third clutch piston cavity 5a between body, and be formed in third clutch balance chamber lid and the third clutch plunger body of rod it Between third clutch counter balance pocket 5b, and third clutch piston cavity 5a is connected to third main oil gallery 9j, third clutch balance Chamber 5b is connected to the 4th main oil gallery 9a.Moreover, main oil inlet oil channel structures further include being opened in the third of input shaft 9 radially respectively Piston oil duct 9k and third balance oil duct, and third piston oil duct 9k is connected to third clutch piston cavity 5a and third main oil gallery 9j, Third balances oil duct and is connected to third clutch counter balance pocket 5b and the 4th main oil gallery 9a, and third balance oil duct and the second balance oil duct Connection, can simplify oil channel structure.Fluid is arranged in the successively by being arranged in third oil inlet passage 40d on oil duct axis 40 Oil duct 41d in one cylinder sleeve structure 41, third connection oil duct 9p, third main oil gallery 9j, the third piston being arranged on input shaft 9 Oil duct 9k, into the third clutch piston cavity 5a for belonging to third clutch configuration 5, which supplies with pressure, makes friction Piece and steel disc generate axial displacement to impaction state is in, and realize clutch engagement.In addition, fluid is successively by being arranged in oil The 4th oil inlet passage 40a on road axis 40, the first cylinder sleeve oil duct 41a being arranged in the first cylinder sleeve structure 41, is arranged in input Oil duct the 4th on axis 9 connects oil duct 9r, the 4th main oil gallery 9a, third and balances oil duct 9g, into third clutch counter balance pocket 5b, Required fluid, realizes its fluid demand when providing work for third clutch counter balance pocket 5b.
Further, above-mentioned main oil inlet oil channel structures further include being opened in the second work of the second sun gear 81 radially respectively It fills in accessory channel 8b, the second balance accessory channel 8a, third piston accessory channel 8c, third and balances accessory channel.And second lives Fill in accessory channel 8b connection second clutch plunger shaft 3a and second piston oil duct 9i, the second balance accessory channel 8a connections second The balance oil ducts of clutch counter balance pocket 3b and second 9g；Third piston accessory channel 8c connection third clutch piston cavity 5a and third Piston oil duct 9k, third balances accessory channel connection third clutch counter balance pocket 5b and third balances oil duct.By second too Auxiliary oil channel is set on sun wheel 81, input shaft axial dimension can be further decreased, to reduce the axial dimension of total, Keep total compacter.It is connected to the second balance accessory channel 8a moreover, third balances accessory channel, third balances oil duct It is overlapped with the second balance oil duct, oil duct quantity can be reduced in this way, simplify oil channel structure.
Moreover, main oil inlet oil channel structures further include being opened in 85 radial direction of the second planet carrier respectively (to refer to along input shaft radial direction side To) on second piston transition passage 8e, the second balance transition passage 8d, third piston transition passage 8h, third balance transition Channel 8f.Second piston transition passage 8e connection second clutch plunger shaft 3a and second piston accessory channel 8b, the second balance The transition passage 8d balance accessory channels of connection second clutch counter balance pocket 3b and second 8a；Third piston transition passage 8h connection the Three clutch piston cavity 5a and third piston accessory channel 8c, third balance transition passage 8f connection third clutch counter balance pockets 5b Accessory channel is balanced with third.By the way that auxiliary oil channel is arranged on the second planet carrier 85, input shaft axial direction can be further decreased Size keeps total compacter to reduce the axial dimension of total.Moreover, third balance transition passage 8f with Second balance transition passage 8d is by the 4th auxiliary transition passage 8g connections, and third balances accessory channel and the second balance auxiliary is logical Road overlaps, and can reduce oil duct quantity in this way, simplify oil channel structure.
Further, main oil inlet oil channel structures further include the second cylinder sleeve structure 98 being set on the second sun gear 81, the Three bearings 94 are located at 98 inside of the second cylinder sleeve structure (side far from the first planet row structure and close to the second row wheel), Yi Jishe It is placed in multiple second sealing rings 96 on input shaft 9.And second cylinder sleeve structure 98 it is corresponding with input shaft 9, the second sealing ring 96 and Two cylinder nested structure 98 is in close contact, second piston accessory channel, the second balance accessory channel, third piston accessory channel, third Accessory channel is balanced respectively every between two the second sealing rings 98, good sealing is provided for each oil duct.Moreover, second Multiple second cylinder sleeve oil ducts (98a, 98b, 98c), second piston accessory channel and second piston mistake are offered in cylinder sleeve structure 98 Cross between channel, between the second balance accessory channel and the second balance transition passage, third piston accessory channel and third piston Between transition passage, third balance accessory channel and third balance transition passage between by a second cylinder sleeve oil duct it is corresponding Connection, good sealing effect is provided convenient for passing through the second cylinder sleeve structure 98.
Further, main oil inlet oil channel structures further include the third cylinder sleeve structure 97 being set on the second planet carrier 85, the Two bearings 93 are located at 97 outside of third cylinder sleeve structure (far from the second planet carrier 85 and close to the side of the first planet row structure), with And it is set to multiple third sealing rings 95 on the second sun gear 81；And third cylinder sleeve structure 97 is corresponding with the second sun gear 81, the Three sealing rings 95 are in close contact with third cylinder sleeve structure 97, second piston transition passage, the second balance transition passage, third piston Transition passage, third balance transition passage respectively every between two third sealing rings 95, are provided for each oil duct good Sealing.Moreover, offer multiple third cylinder sleeve oil ducts (97a, 97b) in third cylinder sleeve structure 97, second clutch plunger shaft with Between second piston transition passage, second clutch counter balance pocket and second balance transition passage between, third clutch piston cavity Pass through a third cylinder between third piston transition passage, between third clutch counter balance pocket and third balance transition passage It covers oil duct and corresponds to connection, good sealing effect is provided convenient for passing through third cylinder sleeve structure 97.
In addition, above-mentioned first clutch oil circuit includes being formed in the outer hub of first clutch and first clutch between hub First clutch lubrication chamber, and be opened in first clutch on hub and in corresponding with first clutch main body first Hub lubrication channel 21a, and hub lubrication channel 21a passes through first clutch lubrication chamber and the 4th main oil in first Road 9a is connected to.Moreover, above-mentioned main oil inlet oil channel structures further include radial the 5th connection oil duct 9f being opened on input shaft 9, the Five connection oil duct 9f are connected to the 4th main oil gallery 9a and first clutch lubrication chamber.Fluid is successively by being arranged in oil duct axis 40 On the 4th oil inlet passage 40a, the first cylinder sleeve oil duct 41a being arranged in the-the first cylinder sleeve structure 41 is arranged on input shaft 9 Oil duct the 4th connect oil duct 9r, the 4th main oil gallery 9a, the 5th connection oil duct 9f, the oil being arranged in first clutch structure 1 Hub lubrication channel 21a in road first, the friction plate into first clutch main body and steel disc region, to realize to first The lubrication of clutch configuration.
Moreover, above-mentioned second clutch oil circuit include be opened in second clutch on hub and with second clutch main body pair Hub lubrication channel 22a in second answered, and it is opened in the first outer hub lubrication channel outside first clutch on hub (the outer hub of first clutch is set as hub in second clutch, therefore the first outer hub lubrication channel is also hub profit in second simultaneously Sliding cooling duct 22a), and hub lubrication channel is cold by hub lubrication in the first outer hub lubrication channel, first in second But channel 21a and first clutch lubrication chamber are connected to the 4th main oil gallery 9a.The oil after first clutch structure 1 is cooled down Liquid the first outer hub lubrication channel (hub lubrication in i.e. second by being arranged in first clutch structure 1 successively again It is logical) 22a, the friction plate into second clutch main body and steel disc region, the lubrication to realize second clutch structure 3 is cold But.
Moreover, above-mentioned third clutch oil circuit include be opened in third clutch on hub and with third clutch main body pair Hub lubrication channel 58a in the third answered, and hub lubrication channel 58a passes through the first outer hub lubrication channel in third 22a, hub lubrication channel 21a and first clutch lubrication chamber are connected to the 4th main oil gallery 9a in first.Cool down Fluid after one clutch configuration 1 passes through the first outer hub lubrication channel being arranged in first clutch structure 1 successively again Hub lubrication channel 58a in third on 22a and third clutch configuration 5, into third clutch main body friction plate and Steel disc region, to realize the lubrication of third clutch configuration 5.
In addition, above-mentioned main oil inlet oil channel structures further include being opened in the planet row lubrication channel of input shaft 9 radially respectively 9b, planet row lubrication channel 9b are connected to the 4th main oil gallery 9a and the first planet row structure, can be first bearing (91,92), first The structures such as gear needle roller 74, the first sun gear and the first planetary gear provide lubrication and cooling.I.e. the 4th main oil gallery 9a has simultaneously There are multiple shunting oil ducts, one shunting oil duct is required cooling oil when providing work for the first planet row structure 7 and bearing Oil duct, secondly shunting oil duct is the oil duct of required fluid when providing work for first clutch counter balance pocket 1b, thirdly shunting oil duct It is the oil duct of required fluid when providing work for second clutch counter balance pocket 3b and third clutch counter balance pocket 5b, four shunting oil Road is the oil duct that cooling and lubricating is provided for first clutch main body, second clutch main body, third clutch main body.
In addition, above-mentioned first main oil gallery 9c, the second main oil gallery 9h, third main oil gallery 9j and the 4th main oil gallery 9a are disposed as The closed blind hole in one end open one end, and the first main oil gallery 9c, the second main oil gallery 9h, third main oil gallery 9j and the 4th main oil gallery 9a Open end pass through ball sealer (101,102,103,104) interference seal.Input shaft 9 is to provide fluid for multi-clutch module Main oil duct mechanism, including axial direction arrangement oil duct (9a, 9c, 9h, 9j) and radial direction arrangement oil duct (9r, 9m, 9n, 9p, 9b, 9d, 9e, 9f, 9g, 9i, 9k), respectively the end face indentation sealing ball of four axial oil ducts (101,102, 103,104), ball sealer is designed to reasonably be interference fitted with oil duct outer diameter can bear a certain amount of oil pressure and be unlikely to Abjection, so that axial oil duct forms the closing oil duct of axial aspect, the oil duct of radial arrangement can be according to multi-clutch mould The different flow demand that block difference oil circuit has arranges the amount of at least one.
In addition, above-mentioned main oil inlet oil channel structures further include the 5th main oil gallery 10a being opened in shell structure 10, pass through Five main oil gallery 10a are 6 fuel feeding of brake structural.Moreover, above-mentioned brake oil circuit includes being formed in brake plunger cylinder 66 and system Brake plunger chamber 6a between actuator piston bar 65, and be opened on brake plunger cylinder 66 for being connected to brake plunger The piston cylinder oil duct 66a of chamber 6a and the 5th main oil gallery 10a.Fluid passes through the 5th main oil gallery being arranged in shell structure 10 successively 10a, piston cylinder oil duct 66a enter brake plunger chamber 6a and with pressure supplies, and friction plate and steel disc is made to generate axial displacement To impaction state is in, brake engagement is realized.
Moreover, above-mentioned brake oil circuit further includes being opened in brake on hub and brake corresponding with brake main body Lubrication channel 69a, the second outer hub lubrication channel 39b being opened on the outer hub of second clutch are opened in described the The outer hub lubrication channel 39a of third on the outer hub of three clutches, and the gear ring lubrication being opened on the second gear ring are logical Road 86a；And brake plunger chamber 6a is connected to the 5th main oil gallery 10a, brake lubrication channel 69a is lubricated cold by gear ring But the outer hub lubrication channel 39a of channel 86a, the second outer hub lubrication channel 39b, third leads to hub lubrication in third Hub lubrication channel 22a is connected in road 58a and second.Fluid to second brake structure 3 and third brake structural 5 into After row lubrication, fluid is using hub lubrication channel 39a, the second outer hub lubrication channel 39b, gear ring outside third Lubrication channel 86a, brake lubrication channel 69a, the friction plate into brake main body and steel disc region, to real Now to the lubrication of brake structural 6.
In addition, the present invention also proposes a kind of electric control hydraulic formula automatic transmission, including clutch feed system as described above System.The multi-clutch module of the electric control hydraulic formula automatic transmission is arranged by the reasonable combination of inside and outside nested nido structure, real The modularization Integrated design of existing three wet clutch structures and a brake structural so that shared axial dimension is shorter, knot Structure is compact, is more advantageous to the complete machine arrangement of electrical-control hydraulic automatic transmission；Moreover, the electric control hydraulic formula automatic transmission is more Clutch module has novel clutch feed system, and three clutch configurations and brake structural can be achieved respectively The fuel feeding of plunger shaft, counter balance pocket and lubrication；Moreover, the multi-clutch module axial direction ruler of the electric control hydraulic formula automatic transmission It is very little short, compact overall structure, therefore six grades of electrical-control hydraulic automatic transmission can be flexibly applied to；In addition, in the multi-clutch On the basis of module, by increasing brake or one-way clutch in its front end or rear end increase planet row, and in its radial outer end Device is, it can be achieved that application in more gears such as eight grades or nine grades of electrical-control hydraulic automatic transmission；Moreover, the electric control hydraulic formula The multi-clutch modular structure of automatic transmission is more compact, is more advantageous to shortening axial space, is conducive to light-weight design, favorably In reducing cost；Moreover, the clutch feed system of the multi-clutch module of the electric control hydraulic formula automatic transmission makes full use of Multi-clutch module component structural advantage itself arranges plunger shaft and Bu Tong oily needed for counter balance pocket and lubrication Road, multi-clutch module itself need not increase additional oil duct component structural, reduce manufacturing cost；Moreover, this is automatically controlled The clutch feed system of the multi-clutch module of hydraulic type automatic transmission utilizes an input shaft, by arranging multiple axial directions Oil duct and radial direction oil form the mutually independent oil duct of multichannel, realize the demand of multi-clutch module multichannel oil circuit fuel feeding, and The input shaft is the elongated profile shaft of common type in transmission for vehicles, and structure is easily realized, simple for process, is reduced and is manufactured into This.
In addition it is also necessary to understand, in the present embodiment, term "lower", "upper", "front", "rear", "left", "right", "inner", "outside", "top", "bottom", " side ", " other side ", " one end ", " other end ", etc. indicated by position relationship be based on Position relationship shown in the drawings；The terms such as " first ", " second ", " third ", " the 4th ", " the 5th ", are different in order to distinguish Structure member.These terms are only for the purposes of the description present invention and simplify description, are not considered as limiting the invention.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (23)

1. a kind of multi-clutch module, which is characterized in that including shell structure, be set to input shaft in the shell structure, First planet row structure, the second planet row structure, first clutch structure, second clutch structure, third clutch configuration and Brake structural；
First planet row structure and the second planet row structure are respectively arranged at the input shaft both ends, the first clutch Structure, second clutch structure, third clutch configuration and brake structural are set to first planet row structure and second Between planet row structure, and the first clutch structure is connected on second planet row structure and the input shaft, institute It states second clutch structure to be connected on second planet row structure and the input shaft, the third clutch configuration connection In on first planet row structure and the input shaft, the brake structural is connected to second planet row structure and institute It states in shell structure；
The first clutch structure is located at the input shaft radial outside, the second clutch structure and third clutch knot Structure is located side by side on the outside of the first clutch structure, and the brake structural is located at the second clutch structure and third On the outside of clutch configuration.
2. multi-clutch module according to claim 1, which is characterized in that first planet row structure includes being set to First sun gear and first planet carrier of described input shaft one end, be set in the first planet carrier and with described first too Sun takes turns the first planetary gear of engagement, and the first gear ring engaged with first planetary gear；
Second planet row structure includes the second sun gear and the second planet carrier for being set to the input shaft other end, setting It is nibbled in the second planetary gear engaged on second planet carrier and with second sun gear, and with second planetary gear The second gear ring closed；
The first clutch structure is connected on the input shaft and the second sun gear, and the second clutch structure is connected to On the input shaft and the second planet carrier, the third clutch configuration is connected on first gear ring and the second planet carrier, The brake structural is connected on the shell structure and the second sun gear or is connected to the shell structure and the second planet On frame, second gear ring is every between the second clutch structure and brake structural.
3. multi-clutch module according to claim 2, which is characterized in that the first clutch structure, described second Clutch configuration, the third clutch configuration and the brake structural are disposed as multi-plate wet clutch.
4. multi-clutch module according to claim 3, which is characterized in that the first clutch structure includes being set to First clutch shell on the input shaft and the second sun gear, and be set in the first clutch shell first Clutch main body and first clutch piston structure；And the first clutch main body is connected to the first clutch shell On, first clutch piston structure one end is corresponding with the first clutch main body, the other end and the input axis connection；
The second clutch structure includes the second clutch shell being set on the input shaft and the second planet carrier, and The second clutch main body and second clutch piston structure being set in the second clutch shell, and second clutch Device shell is located at the first clutch hull outside；And the second clutch main body is connected to the second clutch shell On, second clutch piston structure one end is corresponding with the second clutch main body, the other end and second planet carrier Connection；
The third clutch configuration includes the third clutch housing being set on first gear ring and the second planet carrier, with And it is set to third clutch main body and third clutch plunger structure in the third clutch housing, the third clutch Device shell is arranged side by side with the second clutch shell；And the third clutch main body is connected to the third bell housing On body, described third clutch plunger structure one end is corresponding with the third clutch main body, the other end and second planet Frame connects；
The brake structural includes the brake casing being set in the shell structure and the second planet row structure, Yi Jishe The brake main body and brake plunger structure being placed in the brake casing, the brake casing pass through second tooth Circle is every set on the outside of the second clutch shell and third clutch housing；And the brake main body is connected to the system On dynamic device shell, brake plunger structure one end is corresponding with the brake main body, the other end connects with the shell structure It connects.
5. multi-clutch module according to claim 4, which is characterized in that the first clutch shell include with it is described Hub in the first clutch of second sun gear connection, and with the input axis connection and positioned at hub in the first clutch The outer hub of the first clutch in outside；The first clutch main body includes the multi-disc being set in the first clutch on hub One clutch friction plate, and it is set to the multi-disc first clutch steel disc outside the first clutch on hub, and described in multi-disc First clutch friction plate is arranged at intervals between first clutch steel disc described in multi-disc；
The second clutch shell include with it is described input axis connection second clutch in hub, and with second planet Frame connects and is located at the hub second clutch in the second clutch on the outside of hub Wai, and hub is located at institute in the second clutch State the outer hub outside of first clutch or homonymy；The second clutch main body includes being set in the second clutch on hub Multi-disc second clutch friction plate, and it is set to the multi-disc second clutch steel disc outside the second clutch on hub, and it is more Second clutch friction plate described in piece is arranged at intervals between second clutch steel disc described in multi-disc；
The third clutch housing includes hub in the third clutch being connect with first gear ring, and with second row Carrier connects and is located at the hub third clutch in the third clutch on the outside of hub Wai, and hub is located in the third clutch The outside of the outer hub of the first clutch or homonymy；The third clutch main body includes being set to hub in the third clutch On multi-disc third clutch friction plate, and the multi-disc third clutch steel disc that is set on the outer hub of the third clutch, And third clutch friction plate described in multi-disc is arranged at intervals between third clutch steel disc described in multi-disc；
The brake casing includes hub in the brake being connect with second planet carrier or second sun gear, Yi Jiyu The shell structure connects and is located at the hub brake in the brake on the outside of hub Wai, and hub is described in the brake Second gear ring is on the outside of the hub outside the third clutch；The brake main body includes being set in the brake on hub Multiple-disc brake friction plate, and the multiple-disc brake steel disc that is set on the outer hub of the brake, and being braked described in multi-disc Device friction plate is arranged at intervals between brake steel disc described in multi-disc.
6. multi-clutch module according to claim 5, which is characterized in that the outer hub of the first clutch is set as simultaneously Hub in the second clutch, the outer hub of the second clutch are set as the outer hub of the third clutch, first tooth simultaneously Hub in the third clutch is enclosed while being set as, the shell structure is set as the outer hub of the brake simultaneously.
7. multi-clutch module according to claim 5, which is characterized in that the first clutch piston structure includes setting It is placed in the first clutch piston body of rod between hub and the outer hub of first clutch, the first clutch in the first clutch Piston body of rod one end is corresponding with the first clutch main body, the other end is tightly connected with the input shaft；First clutch Device piston structure further include be connected on the input shaft and in the first clutch hub and the outer hub of first clutch it Between first clutch piston chamber lid and first clutch balance chamber lid, and the first clutch piston chamber lid and the first clutch Device balance chamber lid is sealedly attached to the first clutch piston body of rod both sides respectively, and is connected to the first clutch and lives The first return spring group between stopper rod body and first clutch balance chamber lid；
The second clutch piston structure includes being set in the second clutch between hub and the outer hub of second clutch The second clutch piston body of rod, described second clutch piston body of rod one end is corresponding with the second clutch main body, the other end It is tightly connected with second planet carrier；The second clutch piston structure further include be connected on second planet carrier, And it is located in the second clutch second clutch piston chamber lid and second clutch between hub and the outer hub of second clutch Balance chamber lid, and the second clutch piston chamber lid and second clutch balance chamber lid be sealedly attached to respectively described second from Clutch piston body of rod both sides, and be connected between the second clutch piston body of rod and second clutch balance chamber lid the Two return spring groups；
The third clutch plunger structure includes being set in the third clutch between hub and the outer hub of third clutch The third clutch plunger body of rod, described third clutch plunger body of rod one end pass through the second clutch main body and the third Clutch main body is corresponding, the other end is tightly connected with second planet carrier；The third clutch plunger structure further includes connecting It is connected to the third clutch on second planet carrier and between hub in the third clutch and the outer hub of third clutch Piston chamber lid and third clutch balance chamber lid, and the third clutch plunger chamber lid and third clutch balance chamber lid difference Be sealedly attached to the third clutch plunger body of rod both sides, and be connected to the third clutch plunger body of rod and third from Clutch balances the third return spring group between chamber lid；
The brake plunger structure further includes the brake plunger cylinder being connected in the shell structure, is set to the braking Brake plunger bar in device piston cylinder, and it is set to the system connecting on the brake plunger bar and with the shell structure Dynamic device return spring group, brake plunger bar one end connect with the brake plunger cylinder, the other end and the brake Main body corresponds to.
8. multi-clutch module according to claim 7, which is characterized in that the third clutch balance chamber lid is set simultaneously It is set to the second clutch piston chamber lid, the outer hub of the third clutch is set as the third clutch piston cavity simultaneously Lid.
9. multi-clutch module according to claim 7, which is characterized in that second sun gear is described including being set to Second sun axle portion of input shaft and the second sun wheel body being connect with second sun axle portion, second solar shaft It is engaged with second sun wheel body close to first planet row structure, second planetary gear in portion；
Second planet carrier includes the planet carrier axial part being sheathed in second sun axle portion, and with the planet carrier Axial part planet carrier radial part connected vertically, second planetary gear are set in the planet carrier radial part, and described first Clutch configuration, second clutch structure, third clutch configuration are set to first planet row structure and the planet carrier Between radial part；The outer hub of first clutch hub in the first planet row structure setting, the first clutch connects It is connected to second sun axle portion end；The outer hub of the third clutch is connected in second sun axle portion, and described second Clutch plunger structure and third clutch plunger structure are all connected in the planet carrier axial part.
10. a kind of clutch feed system, which is characterized in that include the multi-clutch as described in claim 7-9 any one Module, and it is set to multi-clutch mould clutch oil line structure in the block；
The clutch oil line structure includes main oil inlet oil channel structures, and be connected to respectively with the main oil inlet oil channel structures One clutch oil circuit, second clutch oil circuit, third clutch oil circuit and brake oil circuit, and the first clutch oil circuit with The first clutch structure corresponds to, and the second clutch oil circuit is corresponding with the second clutch structure, the third from Clutch oil circuit is corresponding with third clutch configuration, and the brake oil circuit is corresponding with the brake structural.
11. clutch feed system according to claim 10, which is characterized in that the main oil inlet oil channel structures include point It is not axially opened in the input shaft and mutually independent first main oil gallery, the second main oil gallery, third main oil gallery and the 4th leads Oil duct；
The first clutch oil circuit includes being formed in the first clutch piston chamber lid and the first clutch piston rod First clutch plunger shaft between body, and it is formed in the first clutch balance chamber lid and the first clutch piston First clutch counter balance pocket between the body of rod, and the first clutch plunger shaft is connected to first main oil gallery, described One clutch counter balance pocket is connected to the 4th main oil gallery；
The second clutch oil circuit includes being formed in the second clutch piston chamber lid and the second clutch piston rod Second clutch plunger shaft between body, and it is formed in the second clutch balance chamber lid and the second clutch piston Second clutch counter balance pocket between the body of rod, and the second clutch plunger shaft is connected to second main oil gallery, described Two clutch counter balance pockets are connected to the 4th main oil gallery；
The third clutch oil circuit includes being formed in the third clutch plunger chamber lid and the third clutch plunger bar Third clutch piston cavity between body, and it is formed in the third clutch balance chamber lid and the third clutch plunger Third clutch counter balance pocket between the body of rod, and the third clutch piston cavity is connected to the third main oil gallery, described Three clutch counter balance pockets are connected to the 4th main oil gallery.
12. clutch feed system according to claim 11, which is characterized in that the main oil inlet oil channel structures further include With the oil duct axis of the input axis connection, and be opened in respectively the first upward oil inlet passage of the oil duct diameter of axle, second into Oily channel, third oil inlet passage and the 4th oil inlet passage；
Further include being opened in the first connection oil duct, the second connection oil duct, the third connection oil duct of the input shaft radially respectively And the 4th connection oil duct, and first oil inlet passage by it is described first connect oil duct be connected to first main oil gallery, institute It states the second oil inlet passage to be connected to second main oil gallery by the second connection oil duct, the third oil inlet passage passes through institute State third connection oil duct be connected to the third main oil gallery, the 4th oil inlet passage by it is described 4th connection oil duct with it is described 4th main oil gallery is connected to.
13. clutch feed system according to claim 12, which is characterized in that the main oil inlet oil channel structures further include The first cylinder sleeve structure being set on the oil duct axis, and it is set to multiple first sealing rings on the input shaft；And it is described First cylinder sleeve structure is corresponding with the input shaft, and first sealing ring is contacted with the first cylinder sleeve close structure, and described One connection oil duct, the second connection oil duct, third connection oil duct and the 4th connection oil duct are respectively every set on two first sealings Between circle；
Offer multiple first cylinder sleeve oil ducts in the first cylinder sleeve structure, first oil inlet passage and the first connection oil duct it Between, second oil inlet passage and second connection oil duct between, the third oil inlet passage and third connection oil duct between, it is described Connection is corresponded to by the first cylinder sleeve oil duct between 4th oil inlet passage and the 4th connection oil duct.
14. clutch feed system according to claim 12, which is characterized in that the main oil inlet oil channel structures further include It is opened in first piston oil duct, the first balance oil duct, second piston oil duct, the second equilibrium oil of the input shaft radially respectively Road, third piston oil duct, third balance oil duct；
The first piston oil duct is connected to the first clutch plunger shaft and the first main oil gallery, the first balance oil duct connection The first clutch counter balance pocket and the 4th main oil gallery；The second piston oil duct is connected to the second clutch plunger shaft With the second main oil gallery, the second balance oil duct is connected to the second clutch counter balance pocket and the 4th main oil gallery；Described Three piston oil ducts are connected to the third clutch piston cavity and third main oil gallery, the third balance oil duct be connected to the third from Clutch counter balance pocket and the 4th main oil gallery, and third balance oil duct is connected to the second balance oil duct.
15. clutch feed system according to claim 14, which is characterized in that the main oil inlet oil channel structures further include It is auxiliary that it is opened in second piston accessory channel, the second balance accessory channel, the third piston of second sun gear radially respectively Help channel, third balance accessory channel；
The second piston accessory channel is connected to the second clutch plunger shaft and second piston oil duct, and second balance is auxiliary Channel is helped to be connected to the second clutch counter balance pocket and the second balance oil duct；Described in the third piston accessory channel connection Third clutch piston cavity and third piston oil duct, third balance accessory channel be connected to the third clutch counter balance pocket and The third balances oil duct, and third balance accessory channel is connected to the second balance accessory channel, and the third is flat Weighing apparatus oil duct is overlapped with the second balance oil duct.
16. clutch feed system according to claim 15, which is characterized in that the main oil inlet oil channel structures further include It is opened in second planet carrier second piston transition passage radially, the second balance transition passage, third piston mistake respectively Cross channel, third balance transition passage；
The second piston transition passage is connected to the second clutch plunger shaft and second piston accessory channel, and described second is flat The transition passage that weighs is connected to the second clutch counter balance pocket and the second balance accessory channel；The third piston transition passage Be connected to the third clutch piston cavity and third piston accessory channel, the third balance transition passage be connected to the third from Clutch counter balance pocket and the third balance accessory channel；And the third balance transition passage balances transition passage with described second Connection, the third balance accessory channel are overlapped with the second balance accessory channel.
17. clutch feed system according to claim 16, which is characterized in that the main oil inlet oil channel structures further include The second cylinder sleeve structure being set on second sun gear, and it is set to multiple second sealing rings on the input shaft；And The second cylinder sleeve structure is corresponding with the input shaft, and second sealing ring is contacted with the second cylinder sleeve close structure, institute Second piston accessory channel, the second balance accessory channel, third piston accessory channel, third balance accessory channel are stated respectively every setting Between two second sealing rings；
Multiple second cylinder sleeve oil ducts are offered in the second cylinder sleeve structure, second piston accessory channel is logical with second piston transition Between road, between the second balance accessory channel and the second balance transition passage, third piston accessory channel and third piston transition Between channel, third balance accessory channel and third balance transition passage between by the second cylinder sleeve oil duct it is corresponding Connection.
18. clutch feed system according to claim 16, which is characterized in that the main oil inlet oil channel structures further include The third cylinder sleeve structure being set on second planet carrier, and it is set to multiple third sealings on second sun gear Circle；And the third cylinder sleeve structure is corresponding with second sun gear, the third sealing ring and the third cylinder sleeve structure are tight Contiguity is touched, and the second piston transition passage, the second balance transition passage, third piston transition passage, third balance transition are logical Road is respectively every between two third sealing rings；
Multiple third cylinder sleeve oil ducts, the second clutch plunger shaft and second piston mistake are offered in the third cylinder sleeve structure Cross between channel, between second clutch counter balance pocket and the second balance transition passage, third clutch piston cavity and third piston Pass through a third cylinder sleeve oil duct between transition passage, between third clutch counter balance pocket and third balance transition passage Corresponding connection.
19. according to the clutch feed system described in claim 11-18 any one, which is characterized in that the main oil inlet oil Line structure further includes being opened in the planet row lubrication channel of the input shaft radially respectively, the planet row lubrication channel connection 4th main oil gallery and first planet row structure.
20. according to the clutch feed system described in claim 11-18 any one, which is characterized in that the first main oil Road, the second main oil gallery, third main oil gallery and the 4th main oil gallery are disposed as the closed blind hole in one end open one end, and described first Main oil gallery, the second main oil gallery, third main oil gallery and the 4th main oil gallery open end pass through ball sealer interference seal.
21. according to the clutch feed system described in claim 11-18 any one, which is characterized in that first clutch Device oil circuit includes the first clutch lubrication chamber being formed in the outer hub of the first clutch and first clutch between hub, And it is opened in the first clutch on hub and leads to hub lubrication in the first clutch main body corresponding first Road, and hub lubrication channel is connected by the first clutch lubrication chamber and the 4th main oil gallery in described first It is logical；
The second clutch oil circuit include be opened in the second clutch on hub and with the second clutch main body pair Hub lubrication channel in second answered, and the first outer hub lubrication being opened on the outer hub of the first clutch are logical Road, and hub lubrication channel is logical by hub lubrication in the described first outer hub lubrication channel, first in described second Road and first clutch lubrication chamber are connected to the 4th main oil gallery；
The third clutch oil circuit include be opened in the third clutch on hub and with the third clutch main body pair Hub lubrication channel in the third answered, and hub lubrication channel is logical by the described first outer hub lubrication in the third Road, hub lubrication channel and first clutch lubrication chamber are connected to the 4th main oil gallery in first.
22. clutch feed system according to claim 21, which is characterized in that the main oil inlet oil channel structures further include The 5th main oil gallery being opened in the shell structure；
The brake oil circuit includes the brake plunger chamber being formed between the brake plunger cylinder and brake plunger bar, Be opened in the brake on hub and with brake main body corresponding brake lubrication channel, be opened in described The second outer hub lubrication channel on the outer hub of two clutches, the outer hub lubrication of third being opened on the outer hub of the third clutch Cooling duct, and the gear ring lubrication channel that is opened on second gear ring；And the brake plunger chamber with it is described 5th main oil gallery is connected to, and brake lubrication channel is lubricated cold by gear ring lubrication channel, the second outer hub But channel, the outer hub lubrication channel of third and hub lubrication in hub lubrication channel and described second in the third are logical Road is connected to.
23. a kind of electric control hydraulic formula automatic transmission, which is characterized in that include as described in claim 10-22 any one Clutch feed system.
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CN111750080A (en) * 2020-06-30 2020-10-09 重庆长安汽车股份有限公司 Oil path structure of hybrid transmission box clutch
CN112443590A (en) * 2019-09-05 2021-03-05 广州汽车集团股份有限公司 Vehicle and wet-type double clutch
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