CN105387164B - The double gear wet clutch transmissions of electric vehicle - Google Patents

The double gear wet clutch transmissions of electric vehicle Download PDF

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Publication number
CN105387164B
CN105387164B CN201510716007.8A CN201510716007A CN105387164B CN 105387164 B CN105387164 B CN 105387164B CN 201510716007 A CN201510716007 A CN 201510716007A CN 105387164 B CN105387164 B CN 105387164B
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CN
China
Prior art keywords
clutch
gear
electric vehicle
driving gear
transmissions
Prior art date
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Active
Application number
CN201510716007.8A
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Chinese (zh)
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CN105387164A (en
Inventor
雷雨龙
刘科
付尧
郑海峰
胡博钦
况文兵
汤辉
陈魏
扈建龙
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Jiangsu Lintai New Materials Technology Co ltd
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Jilin University
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Priority to CN201510716007.8A priority Critical patent/CN105387164B/en
Publication of CN105387164A publication Critical patent/CN105387164A/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
    • F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
    • 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
    • F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
    • F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
    • F16H37/06—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts
    • F16H37/08—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing
    • F16H37/0806—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts
    • F16H37/0813—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings with a plurality of driving or driven shafts; with arrangements for dividing torque between two or more intermediate shafts with differential gearing with a plurality of driving or driven shafts with only one input shaft
    • 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
    • F16D25/123—Details not specific to one of the before-mentioned types in view of cooling and lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
    • F16H2003/0818—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts comprising means for power-shifting
    • 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
    • F16H2200/0021—Transmissions for multiple ratios specially adapted for electric vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H2200/00—Transmissions for multiple ratios
    • F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising two forward speeds

Landscapes

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

Abstract

The present invention provides a kind of electric vehicle double gear wet clutch transmissions, including：Case of transmission；Motor；Flexible disk；Input shaft；First driving gear；Second driving gear；Output shaft；First driven gear；Second driven gear；First clutch and second clutch, first clutch are connected with the first driven gear and are located at the outside of the first driven gear, and second clutch is connected with the second driving gear and is located at the outside of the second driving gear；Main reducing gear and differential assembly；And hydraulic control system.According to the double gear wet clutch transmissions of the electric vehicle of the present invention, first clutch and second clutch are arranged in the double gear wet clutch transmission both sides of electric vehicle, are easy to disassembling for first clutch and second clutch, beneficial to the replacing of consumable accessory.

Description

The double gear wet clutch transmissions of electric vehicle
Technical field
The present invention relates to automobile technical field, and specifically, the double gear wet clutches of more particularly to a kind of electric vehicle become Fast device.
Background technology
In correlation technique, the automatic transmission structure that electric automobile uses is more complicated, bulky, occupies on car body Larger space, bulky due to automatic transmission, when carrying out power transmission, transfer route is longer, and efficiency is low, shadow The quality of electric automobile is rung.Further, since limited by automatic transmission structure, hydraulic pressure system corresponding with automatic transmission Unite, particularly the oil circuit of hydraulic system is arranged also sufficiently complex, adds manufacturing cost.Moreover, by automatic transmission The limitation of self structure, be arranged in automatic transmission clutch installation and removal be inconvenient, its long-time use and When wearing, it has not been convenient to changed.
The content of the invention
It is contemplated that at least solves one of above-mentioned technical problem of the prior art to a certain extent.In view of this, The present invention needs to provide a kind of efficiency high, electric vehicle simple in construction, clutch easy disassembly double gear wet clutch speed changes Device.
The double gear wet clutch transmissions of electric vehicle according to embodiments of the present invention, including：Case of transmission；Driving electricity Machine, the motor are connected with the case of transmission；Flexible disk, the flexible disk pass through spline and the motor Motor axis connection；Input shaft, the input shaft are connected by spline with the flexible disk；First driving gear, first master Moving gear is set on the input shaft and is positioned at by the first flat key on the input shaft, and first driving gear is located at Close on the flexible disk side；Second driving gear, the second driving gear empty set is on the input shaft and is positioned at institute State the opposite side of input shaft；Output shaft, the output shaft is parallel with the input shaft and setting spaced apart；First driven gear, The first driven gear empty set engages on the output shaft and with first driving gear；Second driven gear, it is described Second driven gear and second driving gear are nibbled the flat key of merga pass second and are positioned on the output shaft, described second from Moving gear is provided with output gear；First clutch and second clutch, the first clutch and first driven gear Connect and be located at the outside of first driven gear, the second clutch is connected with second driving gear and is located at institute State the outside of the second driving gear；Main reducing gear and differential assembly, main reducing gear and differential assembly and the output gear Connection；And hydraulic control system, the hydraulic control system are connected respectively with the first clutch and second clutch.
The double gear wet clutch transmissions of electric vehicle according to an embodiment of the invention, first clutch and the second clutch Device is arranged in the double gear wet clutch transmission both sides of electric vehicle, is easy to tearing open for first clutch and second clutch Solution, beneficial to the replacing of consumable accessory.
In addition, the double gear wet clutch transmissions of electric vehicle according to the above embodiment of the present invention can also have it is as follows Additional technical characteristic：
According to one embodiment of present invention, the first clutch includes：Clutch hub, it is sequentially arranged at the clutch First annular sealing ring, clutch plunger, clutch retraction springs, return spring jump ring on the inside of hub, and it is inner attrition piece, outer Steel disc, outer steel disc jump ring, the second ring is provided with formed with clutch oil-feed oil duct, the clutch plunger on the clutch hub Shape type sealing ring and cooling oil duct.
According to one embodiment of present invention, further comprise connecting spline, the connection spline is connected to described first Between driven gear and the first clutch.
According to one embodiment of present invention, the spline fitted of the outer steel disc and the clutch hub, the interior friction Piece and the spline fitted for being connected spline, wherein clutch hub slide flat key and output axis connection by second.
According to one embodiment of present invention, the structure and size phase of the second clutch and the first clutch Together, second driving gear closes on the second clutch side and is provided with the second driving gear epitaxy part, and described second actively Gear epitaxy part is connected with the second clutch.
According to one embodiment of present invention, the inner attrition piece of the second clutch and the second driving gear epitaxy part Spline fitted, clutch hub slide flat key and input axis connection by first.
According to one embodiment of present invention, the hydraulic control system includes：Hydraulic assembly oil-feed portion, with the hydraulic pressure The oil pump of assembly oil-feed portion connection, and the first clutch magnetic valve for first clutch fuel feeding, are second clutch fuel feeding Second clutch magnetic valve.
According to one embodiment of present invention, the clutch feed oil duct is arranged in the madial wall of the case of transmission On, the both sides of the clutch feed oil duct are provided with the clutch rotation being close to the first clutch and the second clutch Turn sealing ring.
According to one embodiment of present invention, it is respectively equipped with the case of transmission corresponding with the first clutch First clutch lid and second clutch lid corresponding with the second clutch.
According to one embodiment of present invention, motor connection shell is further comprised, the motor connection shell is connected to described Between motor and the case of transmission.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the structural representation of the double gear wet clutch transmissions of electric vehicle according to an embodiment of the invention Figure.
Fig. 2 is the first clutch of the double gear wet clutch transmissions of electric vehicle according to an embodiment of the invention Structural representation.
Fig. 3 is the first clutch of the double gear wet clutch transmissions of electric vehicle according to an embodiment of the invention Side view.
Fig. 4 is the hydraulic control system of the double gear wet clutch transmissions of electric vehicle according to an embodiment of the invention The dimensional structure diagram of system.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of Description is of the invention to be described with simplified, rather than the device or element of instruction or hint meaning must be with specific orientation, Yi Te Fixed azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or Implicitly include one or more this feature.In the description of the invention, " multiple " are meant that two or more, Unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or it " under " Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features Between other characterisation contact.Moreover, fisrt feature second feature " on ", " top " and " above " to include first special Sign is directly over second feature and oblique upper, or is merely representative of fisrt feature level height and is higher than second feature.Fisrt feature exists Second feature " under ", " lower section " and " following " fisrt feature that includes are immediately below second feature and obliquely downward, or be merely representative of Fisrt feature level height is less than second feature.
As shown in figure 1, the double gear wet clutch transmissions 100 of electric vehicle according to an embodiment of the invention, including： Case of transmission 5, motor 1, flexible disk 3, input shaft 7, the first driving gear 6, the second driving gear 8, output shaft 16, First driven gear 19, the second driven gear 14, first clutch 23, second clutch 12, main reducing gear and differential assembly 18 and hydraulic control system 200.
Specifically, motor 1 is connected with case of transmission 5, and motor 1 can be arranged on case of transmission 5 Outside, motor connection shell 2 being can further include, motor connection shell 2 is connected between motor 1 and case of transmission 5, To facilitate the installation to motor 1.
The motor axis connection that flexible disk 3 passes through spline and motor 1.Input shaft 7 is connected by spline with flexible disk 3. In other words, motor 1 imparts power to flexible disk 3 by spline, and flexible disk 3 is imparting power to input shaft 7 by spline.
First driving gear 6 is set on the input shaft 7 and is positioned at by the first flat key 4 on input shaft 7, first Driving gear 6 is positioned at the side of flexible disk 3 is closed on, and in other words, the first driving gear 6 is located at the side of adjacent driving motor 1.
The empty set of second driving gear 8 is on input shaft 7 and is positioned at the opposite side of input shaft 7.For example, can on input shaft 7 So that provided with the shaft shoulder, with can be offseted with the shaft shoulder, the other end can offset with second clutch 12 for one end of the second driving gear 8, Thus, it is possible to the axial direction of the second driving gear 8 is positioned.Output shaft 16 is parallel with input shaft 7 and setting spaced apart.
The empty set of first driven gear 19 engages on output shaft 16 and with the first driving gear 6, such as on output shaft 16 Provided with the shaft shoulder, one end of the first driven gear 19 can offset with first clutch 23, and the other end offsets with the shaft shoulder, thus, can Positioned with the axial direction to the first driven gear 19..Second driven gear 14 and the second driving gear nibble merga pass Second flat key 17 is positioned on output shaft 16, and the second driven gear 14 is provided with output gear 15.Main reducing gear is total with differential mechanism It is connected with output gear 15 into 18, is exported with finally imparting power to main reducing gear with differential assembly 18.
First clutch 23 is connected with the first driven gear 19 and positioned at the outside of the first driven gear 19, described second from Clutch 12 is connected with the second driving gear 8 and positioned at the outside of the second driving gear 8.It should be noted that first clutch 23 Action edge transmission can be entered by the second slip flat key 22 and output shaft 16, second clutch 12 can slide flat key by first 11 enter action edge transmission with input shaft 7.
Hydraulic control system 200 is connected respectively with first clutch 23 and second clutch 12, with to first clutch 23 It is respectively controlled with second clutch 12.In other words, wherein hydraulic control system 200 controls first clutch 23 and second The engagement and disconnection of clutch 12.
The double gear wet clutch transmissions 100 of electric vehicle according to an embodiment of the invention, first clutch 23 and the Two clutches 12 are arranged in double gear wet clutch transmission 100 both sides of electric vehicle, are easy to first clutch 23 and the Two clutches 12 are disassembled, beneficial to the replacing of consumable accessory (friction plate).Moreover, every gear transmission only by two pairs of gears and One clutch, drive path is succinct, therefore the speed changer structure is simple, transmission efficiency.
As shown in Figure 2 and Figure 3, according to one embodiment of present invention, first clutch 23 includes：Clutch hub 35, successively It is located at first annular sealing ring 37, clutch plunger 39, clutch retraction springs 40, the return spring card of the inner side of clutch hub 35 Spring 41, and inner attrition piece 43, outer steel disc 44, outer steel disc jump ring 45, formed with clutch oil-feed oil duct 36 on clutch hub 35, Clutch plunger 39 is provided with the second annular type sealing ring 42 and cooling oil duct 38.Wherein clutch plunger 39 and clutch hub 35 The balancing gate pit of clutch is cooperatively formed, first annular sealing ring 37 moves with the second O-ring seal 42 in clutch plunger 39 When prevent oil leak, when oil pressure reduces, clutch retraction springs 40 make piston return to initial position, and its China and foreign countries' steel disc jump ring 45 limits The displacement of preparation of friction wafer group, wherein return spring jump ring 41 limit the displacement of return spring.
According to one embodiment of present invention, the double gear wet clutch transmissions 100 of electric vehicle further comprise connecting Spline 20, connection spline 20 are connected between the first driven gear 19 and first clutch 23.
Further, according to one embodiment of present invention, outer steel disc 44 and the spline fitted with clutch hub 35, inside rub Pad 43 and the spline fitted for being connected spline 20, wherein clutch hub 35 are connected by the second slip flat key 22 with output shaft 16. Thus, it is possible to improve the reliability of first clutch 23, operating efficiency is improved.
According to one embodiment of present invention, second clutch 12 is identical with the structure and size of first clutch 23, the The structure of one clutch device 23 and second clutch 12 and size identical purpose are easy for the processing and manufacturing and more of parts Change, the second driving gear 8 closes on the side of second clutch 12 and is provided with the second driving gear epitaxy part 9, the second driving gear extension Portion 9 is connected with second clutch 12.Thus, it is possible to improve the reliability of second clutch 12.Further, according to the present invention's One embodiment, the spline fitted of the driving gear epitaxy part 9 of inner attrition piece 43 and second of second clutch 12, clutch hub 35 It is connected by the first slip flat key 11 with input shaft 7.
It should be noted that the double gear wet clutch transmissions of electric vehicle according to an embodiment of the invention are divided into two Gear：
During one gear：Second clutch 12 is worked, and power is passed to flexible disk 3 by motor 1 by spline, and flexible disk 3 is led to again Cross spline and pass to input shaft 7, then second clutch 12 is passed to by the first slip flat key 11, second clutch 12 passes power The second driving gear epitaxy part 9 is passed, power is passed to the second driven gear 14, the second driven tooth by the second driving gear 8 again Wheel 14 is set to duplicate gear with output gear 15 thereon, and power is passed to main reducing gear and differential mechanism by output gear 15 Assembly 18 exports.
During two gears：First clutch 23 works, and power passes to the first driving gear 6 from input shaft 7 via flat key 4, the One driving gear 6 passes to the first driven gear 19, and power is passed to first by the first driven gear 19 via connection spline 20 Power is passed to output shaft 16 by clutch 23, first clutch 23 via the second slip flat key 22, and output shaft 16 passes through second Power is passed to output gear 15 by flat key 17, and power is passed to main reducing gear to output gear 15 and differential assembly 18 is defeated Go out.
According to the double gear wet clutch transmissions 100 of the electric vehicle of the present invention, often gear transmission only passes through two pairs of gears And a clutch, drive path is succinct, therefore the speed changer structure is simple, transmission efficiency.
As shown in figure 4, according to one embodiment of present invention, hydraulic control system 200 includes：Hydraulic assembly oil-feed portion 70, the oil pump 74 being connected with hydraulic assembly oil-feed portion 70, and the first clutch magnetic valve 77 for the fuel feeding of first clutch 23, For the second clutch magnetic valve 78 of the fuel feeding of second clutch 12.It is understood that hydraulic control system 200 can include： Hydraulic assembly oil-feed portion 70, coarse filtration 71, valve plate 72, Oil pump electrical machinery 73, oil pump 74, first clutch pressure sensor 75, second Clutch pressure sensor 76, first clutch magnetic valve 77, second clutch magnetic valve 78, TCU wire harness 79, TCU80, overflow Valve 81, main oil pressure pressure sensor 82, refined filtration 83, accumulator 84, second clutch lid 24.Wherein, first clutch magnetic valve 77 be the fuel feeding of first clutch 23, and second clutch magnetic valve 78 is the fuel feeding of second clutch 12.First clutch magnetic valve 77 Can be normal-closed electromagnetic valve, second clutch magnetic valve 78 can be normal-open electromagnetic valve, when TCU failures, normally opened electromagnetism Valve 43 can give the fuel feeding of second clutch 12, vehicle is travelled with a gear.
As shown in figure 1, according to one embodiment of present invention, clutch feed oil duct 10 is arranged in case of transmission 5 On madial wall, the both sides of clutch feed oil duct 10 are provided with the clutch rotation being close to first clutch 23 and second clutch 12 Turn sealing ring 13.In other words, first clutch 23 is adjacent with case of transmission 5 with second clutch 12, clutch feed oil duct 10 are arranged on case of transmission 5, meanwhile, rotating seal ring 13 is provided with case of transmission 5, can prevent fluid from revealing. Further, clutch oil-feed oil duct 36 is arranged on clutch hub 35, when first clutch 23 or second clutch 12 work, Hydraulic oil forms close into housing via the clutch feed oil duct 10 on housing with rotating seal ring 13 with clutch hub 35 Seal chamber, then the balancing gate pit formed by the piston of the oil-feed oil duct 36 on clutch hub 35 into clutch with clutch hub 35.
As shown in figure 1, according to one embodiment of present invention, it is respectively equipped with case of transmission 5 and first clutch 23 Corresponding first clutch lid 21 and second clutch lid 24 corresponding with second clutch 12.Thus, first clutch lid 21 After being disassembled with second clutch lid 24, first clutch 23 can directly take out with second clutch 12, be conveniently replaceable clutch Consumable accessory.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office What combined in an appropriate manner in one or more embodiments or example.In addition, those skilled in the art can say this Different embodiments or example described in bright book are engaged and combined.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changed, replacing and modification.

Claims (9)

  1. A kind of 1. double gear wet clutch transmissions of electric vehicle, it is characterised in that including：
    Case of transmission (5)；
    Motor (1), the motor (1) are connected with the case of transmission (5)；
    Flexible disk (3), the motor axis connection that the flexible disk (3) passes through spline and the motor (1)；
    Input shaft (7), the input shaft (7) are connected by spline with the flexible disk (3)；
    First driving gear (6), first driving gear (6) are set on the input shaft (7) and by the first flat key (4) It is positioned on the input shaft (7), first driving gear (6), which is located at, closes on the flexible disk (3) side；
    Second driving gear (8), the second driving gear (8) empty set is on the input shaft (7) and is positioned at the input The opposite side of axle (7)；
    Output shaft (16), the output shaft (16) is parallel with the input shaft (7) and setting spaced apart；
    First driven gear (19), the first driven gear (19) empty set are led on the output shaft (16) and with described first Moving gear (6) engages；
    Second driven gear (14), second driven gear (14) nibble the flat key of merga pass second with second driving gear (17) it is positioned on the output shaft (16), second driven gear (14) is provided with output gear (15)；
    First clutch (23) and second clutch (12), the first clutch (23) connect with first driven gear (19) Connect and be located at the outside of first driven gear (19), the second clutch (12) connects with second driving gear (8) Connect and be located at the outside of second driving gear (8)；
    Main reducing gear and differential assembly (18), main reducing gear are connected with differential assembly (18) with the output gear (15)； With
    Hydraulic control system (200), the hydraulic control system (200) and the first clutch (23) and second clutch (12) connect respectively；
    Clutch feed oil duct (10) is arranged on the madial wall of the case of transmission (5), the clutch feed oil duct (10) both sides are provided with the clutch rotating seal ring being close to the first clutch (23) and the second clutch (12) (13)。
  2. 2. the double gear wet clutch transmissions of electric vehicle according to claim 1, it is characterised in that first clutch Device (23) includes：Clutch hub (35), the first annular sealing ring (37) being sequentially arranged on the inside of the clutch hub (35), clutch Device piston (39), clutch retraction springs (40), return spring jump ring (41), and it is inner attrition piece (43), outer steel disc (44), outer Steel disc jump ring (45), formed with clutch oil-feed oil duct (36) on the clutch hub (35), on the clutch plunger (39) Provided with the second annular type sealing ring (42) and cooling oil duct (38).
  3. 3. the double gear wet clutch transmissions of electric vehicle according to claim 2, it is characterised in that further comprise connecting Connect spline (20), the connection spline (20) be connected to first driven gear (19) and the first clutch (23) it Between.
  4. 4. the double gear wet clutch transmissions of electric vehicle according to claim 3, it is characterised in that the outer steel disc (44) with the spline fitted of the clutch hub (35), spline fitted of the inner attrition piece (43) with being connected spline (20), its Middle clutch hub (35) is connected by the second slip flat key (22) with output shaft (16).
  5. 5. the double gear wet clutch transmissions of electric vehicle according to claim 2, it is characterised in that second clutch Device (12) is identical with the structure and size of the first clutch (23), second driving gear (8) close on described second from Clutch (12) side is provided with the second driving gear epitaxy part (9), the second driving gear (8) epitaxy part (9) and described second Clutch (12) connects.
  6. 6. the double gear wet clutch transmissions of electric vehicle according to claim 5, it is characterised in that second clutch The spline fitted of the inner attrition piece (43) of device (12) and the second driving gear epitaxy part (9), clutch hub (35) are slided by first Dynamic flat key (11) is connected with input shaft (7).
  7. 7. the double gear wet clutch transmissions of electric vehicle according to claim 1, it is characterised in that the hydraulic control System (200) includes：Hydraulic assembly oil-feed portion (70), the oil pump (74) being connected with the hydraulic assembly oil-feed portion (70), and It is that the second clutch of second clutch (12) fuel feeding is electric for the first clutch magnetic valve (77) of first clutch (23) fuel feeding Magnet valve (78).
  8. 8. the double gear wet clutch transmissions of electric vehicle according to claim 1, it is characterised in that the transmission case Be respectively equipped with body (5) first clutch lid (21) corresponding with the first clutch (23) and with the second clutch (12) second clutch lid (24) corresponding to.
  9. 9. the double gear wet clutch transmissions of electric vehicle according to claim 1, it is characterised in that further comprise electricity Machine connection shell (2), the motor connection shell (2) are connected between the motor (1) and the case of transmission (5).
CN201510716007.8A 2015-10-29 2015-10-29 The double gear wet clutch transmissions of electric vehicle Active CN105387164B (en)

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CN105952862A (en) * 2016-06-28 2016-09-21 泰州市海博汽车科技有限公司 Dead axle type speed changer

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US7270205B2 (en) * 2002-05-22 2007-09-18 Jtekt Corporation Vehicle drive device, and front-and-rear wheel-driven vehicle formed of the device
CN201992007U (en) * 2011-04-14 2011-09-28 天津阿尔特汽车技术有限公司 Two-gear automatic transmission of electric vehicle
CN102619934B (en) * 2012-04-09 2014-07-16 清华大学 Automatic mechanical transmission based on multi-piece electromagnetic clutch
CN102700407A (en) * 2012-06-06 2012-10-03 吉林大学 Horizontal power-driven device based on two-gear mechanical automatic transmission for pure electric automobile
CN203239793U (en) * 2013-01-30 2013-10-16 杭州前进齿轮箱集团股份有限公司 Wet-type multi-disc friction clutch

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