CN105299153B - The double shift transmissions of electric vehicle - Google Patents

The double shift transmissions of electric vehicle Download PDF

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Publication number
CN105299153B
CN105299153B CN201510715988.4A CN201510715988A CN105299153B CN 105299153 B CN105299153 B CN 105299153B CN 201510715988 A CN201510715988 A CN 201510715988A CN 105299153 B CN105299153 B CN 105299153B
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CN
China
Prior art keywords
clutch
gear
driven gear
spline
electric vehicle
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.)
Expired - Fee Related
Application number
CN201510715988.4A
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Chinese (zh)
Other versions
CN105299153A (en
Inventor
雷雨龙
刘科
付尧
胡博钦
张元侠
况文兵
汤辉
郑海峰
刘正伟
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Jilin University
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Jilin University
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Filing date
Publication date
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Priority to CN201510715988.4A priority Critical patent/CN105299153B/en
Publication of CN105299153A publication Critical patent/CN105299153A/en
Application granted granted Critical
Publication of CN105299153B publication Critical patent/CN105299153B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
    • B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing of change-speed gearing
    • 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
    • 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
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • 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
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • 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
    • F16H3/006—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths
    • F16H2003/008—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion power being selectively transmitted by either one of the parallel flow paths comprising means for selectively driving countershafts
    • 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
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H2057/02034—Gearboxes combined or connected with electric machines
    • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • General Details Of Gearings (AREA)

Abstract

The present invention provides a kind of electric vehicle double shift transmissions, including：Case of transmission；Drive 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.The double shift transmissions of electric vehicle according to the present invention, first clutch and second clutch are arranged in the double shift transmission both sides of electric vehicle, easy to disassembling for first clutch and second clutch, beneficial to the replacement of vulnerable part.

Description

The double shift transmissions of electric vehicle
Technical field
The present invention relates to automobile technical field, specifically, more particularly to a kind of electric vehicle folk art term speed changer.
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, inefficiency, shadow The quality of electric automobile is rung.Further, since limited be subject to automatic transmission structure, hydraulic pressure system corresponding with automatic transmission Unite, particularly the oil circuit of hydraulic system is arranged also sufficiently complex, adds manufacture cost.Moreover, it is subject to 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 replaced.
The content of the invention
It is contemplated that one of above-mentioned technical problem of the prior art is solved at least to a certain extent.In view of this, The present invention needs to provide a kind of efficient, simple in structure, clutch easy disassembly electric vehicle folk art term speed changer.
Electric vehicle folk art term speed changer according to embodiments of the present invention, including：Case of transmission；Drive motor, the drive Dynamic motor is connected with the case of transmission；Flexible disk, the flexible disk are connected by the motor shaft of spline and the driving motor Connect；Input shaft, the input shaft are connected by spline with the flexible disk；First driving gear, first pinion carrier It is located on the input shaft and is positioned at by the first flat key on the input shaft, first driving gear is described positioned at closing on Flexible disk side；Second driving gear, second driving gear are integrally formed with the input shaft and are located at the input shaft Opposite side；Output shaft, the output shaft is parallel with the input shaft and setting spaced apart, on the output shaft integrally formed with Output gear；First driven gear, first driven tooth；First driven gear, the first driven gear empty set is described Engaged on output shaft and with first driving gear；Second driven gear, second driven gear and the described second active Gear engages and empty set is on the output shaft；First clutch and second clutch, the first clutch and described first Driven gear connects and is located at the outside of first driven gear, and the second clutch is connected with second driven gear And positioned at the outside of second driven gear；Main reducing gear and differential assembly, main reducing gear and differential assembly with it is described Output gear connects；And hydraulic control system, the hydraulic control system are distinguished with the first clutch and second clutch Connection.
Electric vehicle folk art term speed changer according to an embodiment of the invention, first clutch and second clutch are respectively arranged In electric vehicle folk art term speed changer both sides, easy to disassembling for first clutch and second clutch, beneficial to the replacement of vulnerable part.
In addition, electric vehicle folk art term speed changer according to the above embodiment of the present invention can also have technology additional as follows Feature：
According to one embodiment of present invention, the first clutch includes：Clutch hub, be sequentially arranged at the clutch First annular sealing ring, clutch plunger, clutch retraction springs, return spring clamp spring on the inside of hub, and it is inner attrition piece, outer Steel disc, outer steel disc clamp spring, are equipped with the second ring on the clutch hub formed with clutch oil inlet oil duct, the clutch plunger 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 driven gear closes on the second clutch side equipped with second clutch connection spline, second clutch Device connection spline is positioned on second driven gear by screw, and the second clutch connection spline passes through spline and institute State second clutch connection.
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 inlet portion, with the hydraulic pressure The oil pump of assembly oil inlet portion connection, and the first clutch solenoid valve for first clutch fuel feeding, are second clutch fuel feeding Second clutch solenoid 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 equipped 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, further comprise that motor connects shell, the motor connection shell is connected to described Drive 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 structure diagram of electric vehicle folk art term speed changer according to an embodiment of the invention.
Fig. 2 is the structural representation of the first clutch of electric vehicle folk art term speed changer according to an embodiment of the invention Figure.
Fig. 3 is the side view of the first clutch of electric vehicle folk art term speed changer according to an embodiment of the invention.
Fig. 4 is the three-dimensional knot of the hydraulic control system of electric vehicle folk art term speed changer according to an embodiment of the invention Structure schematic diagram.
Embodiment
The embodiment of the present invention is 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 has the function of same or like element.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 present 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 description 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 present 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 be electrically connected；It can be directly connected, 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, electric vehicle folk art term speed changer 100 according to an embodiment of the invention, including：Case of transmission 5, Drive motor 1, flexible disk 3, input shaft 7, the first driving gear 6, the second driving gear 8, output shaft 16, the first driven gear 19th, the second driven gear 14, first clutch 23, second clutch 12, main reducing gear and differential assembly 18 and hydraulic control System 200.
Specifically, driving motor 1 is connected with case of transmission 5, and driving motor 1 can be arranged on case of transmission 5 Outside, can further include motor connection shell 2, and motor connection shell 2 is connected between driving motor 1 and case of transmission 5, To facilitate the installation to driving motor 1.
The motor axis connection that flexible disk 3 passes through spline and driving 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 3 side of flexible disk is closed on, and in other words, the first driving gear 6 is located at 1 side of adjacent driving motor.
Second driving gear 8 is integrally formed with input shaft 7 and positioned at the opposite side of the input shaft 7.Output shaft 16 with it is defeated Enter that axis 7 is parallel and setting spaced apart, integrally formed with output gear 15 on output shaft 16.
First driven gear, 19 empty set engages on output shaft 16 and with the first driving gear 6.Second driven gear 14 with Second driving gear 8 engages and empty set is on output shaft 16.For example, the shaft shoulder, the first driven gear can be equipped with output shaft 16 19 are positioned between first clutch 23 and the shaft shoulder, the second driven gear 14 be positioned in the shaft shoulder and second clutch 12 it Between, in other words, the first driven gear 19 offsets with first clutch 23 and the shaft shoulder respectively, second clutch 12 respectively with second from Clutch 12 and the shaft shoulder offset.Thus, it is possible to the first driven gear 19 and 14 axial direction of the second driven gear are positioned.It is main Retarder is connected with differential assembly 18 with output gear 15, finally to impart power to main reducing gear and differential assembly 18 Output.
First clutch 23 is connected with the first driven gear 19 and positioned at the outside of the first driven gear 19, second clutch 12 are connected with the second driven gear 14 and positioned at the outside of the second driven gear 14.It should be noted that first clutch 23 can To slide flat key 22 and output shaft 16 by second flat key 11 can be slided into action edge transmission, second clutch 12 by first With input shaft 7 into action edge transmission.Hydraulic control system 200 is connected respectively with first clutch 23 and second clutch 12, with First clutch 23 and second clutch 12 are respectively controlled.In other words, the wherein control of hydraulic control system 200 first The engagement and disconnection of clutch 23 and second clutch 12.
Electric vehicle folk art term speed changer 100 according to an embodiment of the invention, first clutch 23 and second clutch 12 100 both sides of electric vehicle folk art term speed changer are arranged in, easy to disassembling for first clutch 23 and second clutch 12, are beneficial to The replacement of vulnerable part (friction plate).Moreover, only pass through two pairs of gears and a clutch, drive path letter in every grade of transmission It is clean, 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 clamp spring 45, formed with clutch oil inlet oil duct 36 on clutch hub 35, Clutch plunger 39 is equipped 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 is moved with the second ring type seal 42 in clutch plunger 39 When prevent oil leak, when oil pressure reduces, clutch retraction springs 40 make piston return to initial position, its China and foreign countries' steel disc clamp spring 45 limits The displacement of preparation of friction wafer group, wherein return spring clamp spring 41 limit the displacement of return spring.
According to one embodiment of present invention, electric vehicle folk art term speed changer 100 further comprises connecting spline 20, even Spline 20 is connect to be connected between the first driven gear 19 and first clutch 23.
Further, according to one embodiment of present invention, outer steel disc and 44 with the spline fitted of 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, work 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 Two clutches 12 and the structure of first clutch 23 purpose identical with size are easy for the processing and manufacturing and replacement of parts, Second driven gear 14 closes on 12 side of second clutch equipped with second clutch connection spline 31, the second clutch connection Spline 31 is positioned on the second driven gear 14 by screw, second clutch connection spline 31 by spline with it is described Second clutch (12) connects.Thus, it is possible to improve the reliability of second clutch 12.
Further, according to one embodiment of present invention, 43 and second driving tooth of inner attrition piece of second clutch 12 The spline fitted of epitaxy part 9 is taken turns, clutch hub 35 is connected by the first slip flat key 11 with input shaft 7.
It should be noted that electric vehicle folk art term speed changer according to an embodiment of the invention is divided into two grades：
At one grade：Second clutch 12 works, 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, the second driven gear 14 is passed to by the second driving gear 8, the second driven gear 14 passes through Second clutch connection spline 31 passes to second clutch 12, and second clutch 12 is passed power by the first slip flat key 11 Pass output shaft 16.Power is passed to main reducing gear and is exported with differential assembly 18 by output gear 15 again.
At two grades：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 output Power is passed to main reducing gear and is exported with differential assembly 18 by gear 15.
Electric vehicle folk art term speed changer 100 according to the present invention, every grade of transmission only by two pairs of gears and one from 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 inlet portion 70, the oil pump 74 being connected with hydraulic assembly oil inlet portion 70, and the first clutch solenoid valve 77 for 23 fuel feeding of first clutch, For the second clutch solenoid valve 78 of 12 fuel feeding of second clutch.It is understood that hydraulic control system 200 can include： Hydraulic assembly oil inlet 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 solenoid valve 77, second clutch solenoid valve 78, TCU harness 79, TCU80, overflow Valve 81, main oil pressure pressure sensor 82, refined filtration 83, accumulator 84, second clutch lid 24.Wherein, first clutch solenoid valve 77 be 23 fuel feeding of first clutch, and second clutch solenoid valve 78 is 12 fuel feeding of second clutch.First clutch solenoid valve 77 Can be normal-closed electromagnetic valve, second clutch solenoid valve 78 can be normal-open electromagnetic valve, when TCU failures, normally opened electromagnetism Valve 43 can give second clutch 12 fuel feeding, 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 equipped 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 inlet 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 inlet 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 Vulnerable part.
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 of the present invention or example.In the present specification, schematic expression of the above terms is not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in 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 the embodiment of the present invention has 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, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (9)

  1. A kind of 1. electric vehicle folk art term speed changer, it is characterised in that including：
    Case of transmission (5)；
    Motor (1) is driven, the driving motor (1) is connected with the case of transmission (5)；
    Flexible disk (3), the flexible disk (3) pass through spline and the motor axis connection of the driving 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), second driving gear (8) are integrally formed with the input shaft (7) and are located at the input The opposite side of axis (7)；
    Output shaft (16), the output shaft (16) is parallel with the input shaft (7) and setting spaced apart, on the output shaft (16) Integrally formed with output gear (15)；
    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) is engaged with second driving gear (8) and empty set is in institute State on output shaft (16)；
    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 driven gear (14) Connect and be located at the outside of second driven gear (14)；
    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 equipped with the clutch rotating seal ring being close to the first clutch (23) and the second clutch (12) (13)。
  2. 2. electric vehicle folk art term speed changer according to claim 1, it is characterised in that first clutch (23) bag Include：Clutch hub (35), first annular sealing ring (37), the clutch plunger being sequentially arranged on the inside of the clutch hub (35) (39), clutch retraction springs (40), return spring clamp spring (41), and inner attrition piece (43), outer steel disc (44), outer steel disc card Spring (45), formed with clutch oil inlet oil duct (36) on the clutch hub (35), the clutch plunger (39) is equipped with the Second ring type sealing ring (42) and cooling oil duct (38).
  3. 3. electric vehicle folk art term speed changer according to claim 2, it is characterised in that further comprise connecting spline (20), the connection spline (20) is connected between first driven gear (19) and the first clutch (23).
  4. 4. electric vehicle folk art term speed changer according to claim 3, it is characterised in that the outer steel disc (44) with it is described The spline fitted of clutch hub (35), wherein spline fitted of the inner attrition piece (43) with being connected spline (20), clutch hub (35) it is connected by the second slip flat key (22) with output shaft (16).
  5. 5. electric vehicle folk art term speed changer according to claim 2, it is characterised in that the second clutch (12) and institute It is identical to state structure and the size of first clutch (23), second driven gear (14) closes on the second clutch (12) one Side is equipped with second clutch connection spline (31), and the second clutch connection spline (31) is positioned at described second by screw On driven gear (14), the second clutch connection spline (31) is connected by spline with the second clutch (12).
  6. 6. electric vehicle folk art term speed changer according to claim 5, it is characterised in that the second clutch (12) it is interior The spline fitted of friction plate (43) and the second driving gear epitaxy part (9), clutch hub (35) slide flat key (11) by first It is connected with input shaft (7).
  7. 7. electric vehicle folk art term speed changer according to claim 1, it is characterised in that the hydraulic control system (200) Including：Hydraulic assembly oil inlet portion (70), the oil pump (74) being connected with the hydraulic assembly oil inlet portion (70), and be the first clutch The first clutch solenoid valve (77) of device (23) fuel feeding, is the second clutch solenoid valve (78) of second clutch (12) fuel feeding.
  8. 8. electric vehicle folk art term speed changer according to claim 1, it is characterised in that divide on the case of transmission (5) She You not first clutch lid (21) corresponding with the first clutch (23) and corresponding with the second clutch (12) Second clutch lid (24).
  9. 9. electric vehicle folk art term speed changer according to claim 1, it is characterised in that further comprise that motor connects shell (2), the motor connection shell (2) is connected between the driving motor (1) and the case of transmission (5).
CN201510715988.4A 2015-10-29 2015-10-29 The double shift transmissions of electric vehicle Expired - Fee Related CN105299153B (en)

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TWI615294B (en) * 2016-01-15 2018-02-21 財團法人工業技術研究院 Two-speed transmission for electric vehicle having two clutches
CN105782362A (en) * 2016-05-11 2016-07-20 王智 Automatic transmission with two-gear dual clutches concentrically arranged on output shaft
CN106090173A (en) * 2016-08-08 2016-11-09 吉孚动力技术(中国)有限公司 A kind of automatic gear-box for electric motor car
CN106594184A (en) * 2016-12-19 2017-04-26 传仕重工(苏州)有限公司 Double-gear joint structure of speed reducer
CN107725690B (en) * 2017-09-07 2019-09-10 宁波上中下自动变速器有限公司 Speed changer and automobile with the speed changer
DE212018000399U1 (en) 2018-02-02 2020-09-02 Dana Automotive Systems Group, Llc Electric drive axle with multi-speed gearbox
CN109083987A (en) * 2018-08-31 2018-12-25 徐州工程学院 A kind of nine speed dual clutch gearboxes for all-wheel drive vehicles
TWI806349B (en) * 2022-01-11 2023-06-21 姚立和 Three-stage transmission mechanism
CN114704561B (en) * 2022-04-27 2024-01-26 上海辛金路流体技术有限公司 Synchronous clutch for power head of drilling machine

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CN102619934A (en) * 2012-04-09 2012-08-01 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
CN103438173A (en) * 2013-09-06 2013-12-11 重庆和合机电有限公司 Mechanical self-adapted automatic speed changing device of electric vehicle
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