CN105299153A - Electric vehicle double-gear gearbox - Google Patents

Electric vehicle double-gear gearbox Download PDF

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Publication number
CN105299153A
CN105299153A CN201510715988.4A CN201510715988A CN105299153A CN 105299153 A CN105299153 A CN 105299153A CN 201510715988 A CN201510715988 A CN 201510715988A CN 105299153 A CN105299153 A CN 105299153A
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CN
China
Prior art keywords
clutch
electric vehicle
gear
spline
driven gear
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
CN201510715988.4A
Other languages
Chinese (zh)
Other versions
CN105299153B (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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jilin University
Original Assignee
Jilin University
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Filing date
Publication date
Application filed by Jilin University filed Critical Jilin University
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

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/006Toothed 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00Fluid-actuated clutches
    • F16D25/12Details not specific to one of the before-mentioned types
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00Fluid-actuated clutches
    • F16D25/12Details not specific to one of the before-mentioned types
    • F16D25/123Details not specific to one of the before-mentioned types in view of cooling and lubrication
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00Fluid-actuated clutches
    • F16D25/12Details not specific to one of the before-mentioned types
    • F16D25/14Fluid pressure control
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/02Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
    • F16H3/08Toothed 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
    • F16H3/087Toothed 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
    • F16H3/089Toothed 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H3/00Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
    • F16H3/006Toothed 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
    • F16H2003/008Toothed 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H2057/02034Gearboxes combined or connected with electric machines
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/0021Transmissions for multiple ratios specially adapted for electric vehicles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H2200/00Transmissions for multiple ratios
    • F16H2200/003Transmissions for multiple ratios characterised by the number of forward speeds
    • F16H2200/0034Transmissions 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 invention provides an electric vehicle double-gear gearbox. The electric vehicle double-gear gearbox comprises a gearbox shell, a driving motor, a flexible disc, an input shaft, a first driving gear, a second driving gear, an output shaft, a first driven gear, a second driven gear, a first clutch, a second clutch, a main reducer and differential mechanism assembly and a hydraulic control system, wherein the first clutch is connected with the first driven gear and located outside the first driven gear, and the second clutch is connected with the second driving gear and located outside the second driving gear. According to the electric vehicle double-gear gearbox, the first clutch and the second clutch are arranged on the two sides of the electric vehicle double-gear gearbox respectively, disassembling of the first clutch and the second clutch is facilitated, and replacement of quick-wear parts is facilitated.

Description

The two shift transmission of electric vehicle
Technical field
The present invention relates to automobile technical field, specifically, the particularly two shift transmission of a kind of electric vehicle.
Background technique
In correlation technique, the automatic transmission structure more complicated that electric vehicle uses, bulky, occupy space larger on car body, bulky due to automatic transmission, when carrying out power transmission, transfer route is longer, inefficiency, have impact on the quality of electric vehicle.In addition, owing to being subject to automatic transmission structure restriction, the oil circuit of the hydraulic system corresponding with automatic transmission, particularly hydraulic system is arranged also very complicated, adds manufacture cost.And be subject to the restriction of automatic transmission self structure, the clutch installation and removal be arranged in automatic transmission are very inconvenient, when it uses for a long time and wearing and tearing occur, are inconvenient to change.
Summary of the invention
The present invention is intended to solve one of above-mentioned technical problem of the prior art at least to a certain extent.In view of this, the present invention needs to provide that a kind of efficiency is high, structure simple, the two shift transmission of the electric vehicle of clutch easy disassembly.
According to the two shift transmission of the electric vehicle of the embodiment of the present invention, comprising: case of transmission; Drive motor, described drive motor is connected with described case of transmission; Flexible disk, described flexible disk is connected by the motor shaft of spline with described drive motor; Input shaft, described input shaft is connected with described flexible disk by spline; First driving gear, described first driving gear to be set on described input shaft and to be positioned on described input shaft by the first flat key, and described first driving gear is positioned at and closes on described flexible disk side; Second driving gear, described second driving gear and described input shaft one-body molded and be positioned at the opposite side of described input shaft; Output shaft, and the spaced apart setting parallel with described input shaft of described output shaft, one-body molded on described output shaft have output gear; First driven gear, described first driven tooth; First driven gear, described first driven gear empty set is on described output shaft and engage with described first driving gear; Second driven gear, described second driven gear engage with described second driving gear and empty set on described output shaft; First clutch and second clutch, described first clutch is connected with described first driven gear and is positioned at the outside of described first driven gear, and described second clutch is connected with described second driven gear and is positioned at the outside of described second driven gear; Main reducing gear and differential assembly, main reducing gear is connected with described output gear with differential assembly; And hydraulic control system, described hydraulic control system is connected respectively with described first clutch and second clutch.
The two shift transmission of electric vehicle according to an embodiment of the invention, first clutch and second clutch are arranged in the two shift transmission both sides of electric vehicle, are convenient to disassembling of first clutch and second clutch, are beneficial to the replacing of easily damaged parts.
In addition, the two shift transmission of electric vehicle according to the above embodiment of the present invention can also have following additional technical characteristics:
According to one embodiment of present invention, described first clutch comprises: clutch hub, be located at the first O-ring seal inside described clutch hub, clutch plunger, clutch retraction springs, return spring jump ring successively, and inner attrition piece, outer steel disc, outer steel disc jump ring, described clutch hub is formed with clutch oil-feed oil duct, described clutch plunger is provided with the second annular RunddichtringO and cooling oil duct.
According to one embodiment of present invention, comprise connection spline further, described connection spline joint is between described first driven gear and described first clutch.
According to one embodiment of present invention, the spline fitted of described outer steel disc and described clutch hub, described inner attrition piece and the spline fitted being connected spline, wherein clutch hub is connected with output shaft by the second slip flat key.
According to one embodiment of present invention, the structure of described second clutch and described first clutch and measure-alike, described second driven gear closes on described second clutch side and is provided with second clutch connection spline, described second clutch connects spline and is positioned on described second follower by screw, and described second clutch is connected spline and is connected with described second clutch by spline.
According to one embodiment of present invention, the inner attrition piece of described second clutch and the spline fitted of the second driving gear epitaxy part, clutch hub is connected with input shaft by the first slip flat key.
According to one embodiment of present invention, described hydraulic control system comprises: hydraulic pressure assembly oil-feed portion, the oil pump be connected with described hydraulic pressure assembly oil-feed portion, and be the first clutch solenoid valve of first clutch fuel feeding, be the second clutch solenoid valve of second clutch fuel feeding.
According to one embodiment of present invention, described clutch feed oil duct is arranged on the madial wall of described case of transmission, and the both sides of described clutch feed oil duct are provided with the clutch rotating seal ring be close to described first clutch and described second clutch.
According to one embodiment of present invention, described clutch housing is respectively equipped with the first clutch lid corresponding with described first clutch and the second clutch lid corresponding with described second clutch.
According to one embodiment of present invention, comprise motor further and connect shell, described motor connects shell and is connected between described drive motor and described case of transmission.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the two shift transmission of electric vehicle according to an embodiment of the invention.
Fig. 2 is the structural representation of the first clutch of the two shift transmission of electric vehicle according to an embodiment of the invention.
Fig. 3 is the side view of the first clutch of the two shift transmission of electric vehicle according to an embodiment of the invention.
Fig. 4 is the perspective view of the hydraulic control system of the two shift transmission of electric vehicle according to an embodiment of the invention.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristics.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
As shown in Figure 1, the two shift transmission 100 of electric vehicle, comprising: case of transmission 5, drive motor 1, flexible disk 3, input shaft 7, first driving gear 6, second driving gear 8, output shaft 16, first driven gear 19, second driven gear 14, first clutch 23, second clutch 12, main reducing gear and differential assembly 18 and hydraulic control system 200 according to an embodiment of the invention.
Specifically, drive motor 1 is connected with case of transmission 5, and drive motor 1 can be arranged on the outside of case of transmission 5, can further include motor and connects shell 2, motor connects shell 2 and is connected between drive motor 1 and case of transmission 5, to facilitate the installation to drive motor 1.
Flexible disk 3 is connected by the motor shaft of spline with drive motor 1.Input shaft 7 is connected with flexible disk 3 by spline.In other words, motor 1 by spline by transmission of power to flexible disk 3, flexible disk 3 by spline by transmission of power to input shaft 7.
First driving gear 6 to be set on described input shaft 7 and to be positioned on input shaft 7 by the first flat key 4, and the first driving gear 6 is positioned at and closes on flexible disk 3 side, and in other words, the first driving gear 6 is positioned at adjacent driving motor 1 side.
Second driving gear 8 is one-body molded and be positioned at the opposite side of described input shaft 7 with input shaft 7.Output shaft 16 and spaced apart setting parallel with input shaft 7, one-body molded on output shaft 16 have output gear 15.
First driven gear 19 empty set is on output shaft 16 and engage with the first driving gear 6.Second driven gear 14 engage with the second driving gear 8 and empty set on output shaft 16.Such as, output shaft 16 can be provided with the shaft shoulder, first driven gear 19 is positioned between first clutch 23 and the shaft shoulder, second driven gear 14 is positioned between the shaft shoulder and second clutch 12, in other words, first driven gear 19 offsets with first clutch 23 and the shaft shoulder respectively, and second clutch 12 offsets with second clutch 12 and the shaft shoulder respectively.Thus, can position the first driven gear 19 and the second driven gear 14 axial direction.Main reducing gear is connected with output gear 15 with differential assembly 18, exports to main reducing gear and differential assembly 18 with transmission of power the most at last.
First clutch 23 is connected with the first driven gear 19 and is positioned at the outside of the first driven gear 19, and second clutch 12 is connected with the second driven gear 14 and is positioned at the outside of the second driven gear 14.It should be noted that, first clutch 23 can carry out transmission of power by the second slip flat key 22 with output shaft 16, and second clutch 12 can carry out transmission of power by the first slip flat key 11 with input shaft 7.Hydraulic control system 200 is connected respectively with first clutch 23 and second clutch 12, to control respectively first clutch 23 and second clutch 12.In other words, wherein hydraulic control system 200 controls joint and the disconnection of first clutch 23 and second clutch 12.
The two shift transmission 100 of electric vehicle according to an embodiment of the invention, first clutch 23 and second clutch 12 are arranged in two shift transmission 100 both sides of electric vehicle, be convenient to disassembling of first clutch 23 and second clutch 12, be beneficial to the replacing of easily damaged parts (friction plate).And often keeping off transmission all only by two pairs of gears and a clutch, drive path is succinct, and therefore this speed changer structure is simple, and transmission efficiency is high.
As shown in Figure 2 and Figure 3, according to one embodiment of present invention, first clutch 23 comprises: clutch hub 35, be located at the first O-ring seal 37 inside clutch hub 35, clutch plunger 39, clutch retraction springs 40, return spring jump ring 41 successively, and inner attrition piece 43, outer steel disc 44, outer steel disc jump ring 45, clutch hub 35 is formed with clutch oil-feed oil duct 36, clutch plunger 39 is provided with the second annular RunddichtringO 42 and cooling oil duct 38.Wherein clutch plunger 39 coordinates with clutch hub 35 pressure chamber forming clutch, first O-ring seal 37 and the second O-ring seal 42 prevent leakage of oil when clutch plunger 39 moves, when oil pressure reduces, clutch retraction springs 40 makes piston get back to initial position, the displacement of its China and foreign countries' steel disc jump ring 45 limiting friction sheet group, wherein return spring jump ring 41 limits the displacement of return spring.
According to one embodiment of present invention, the two shift transmission 100 of electric vehicle comprises further and connects spline 20, connects spline 20 and is connected between the first driven gear 19 and first clutch 23.
Further, according to one embodiment of present invention, outer steel disc and 44 and the spline fitted of clutch hub 35, inner attrition piece 43 and the spline fitted being connected spline 20, wherein clutch hub 35 is connected with output shaft 16 by the second slip flat key 22.Thus, the reliability of first clutch 23 can be improved, increase work efficiency.
According to one embodiment of present invention, the structure of second clutch 12 and first clutch 23 and measure-alike, second clutch 12 and this structure of first clutch 23 and measure-alike object are manufacturing and the replacing of being convenient to component, second driven gear 14 closes on second clutch 12 side and is provided with second clutch connection spline 31, described second clutch connects spline 31 and is positioned on the second follower 14 by screw, and described second clutch is connected spline 31 and is connected with described second clutch (12) by spline.Thus, the reliability of second clutch 12 can be improved.
Further, according to one embodiment of present invention, the inner attrition piece 43 of second clutch 12 and the spline fitted of the second driving gear epitaxy part 9, clutch hub 35 is connected with input shaft 7 by the first slip flat key 11.
It should be noted that, the two shift transmission of electric vehicle is divided into two gears according to an embodiment of the invention:
During one gear: second clutch 12 works, motor 1 by spline transmission of power to flexible disk 3, flexible disk 3 passes to input shaft 7 by spline again, the second driven gear 14 is passed to by the second driving gear 8, second driven gear 14 connects spline 31 by second clutch and passes to second clutch 12, and second clutch 12 passes to output shaft 16 power by the first slip flat key 11.Output gear 15 exports transmission of power to main reducing gear and differential assembly 18 again.
During two gears: first clutch 23 works, power passes to the first driving gear 6 from input shaft 7 via flat key 4, first driving gear 6 passes to the first driven gear 19, first driven gear 19 is via connecting spline 20 transmission of power to first clutch 23, first clutch 23 via the second slip flat key 22 transmission of power to output shaft 16, output shaft 16 is exported transmission of power by output gear 15 to main reducing gear and differential assembly 18.
According to the two shift transmission 100 of electric vehicle of the present invention, often keep off transmission all only by two pairs of gears and a clutch, drive path is succinct, and therefore this speed changer structure is simple, and transmission efficiency is high.
As shown in Figure 4, according to one embodiment of present invention, hydraulic control system 200 comprises: hydraulic pressure assembly oil-feed portion 70, the oil pump 74 be connected with hydraulic pressure assembly oil-feed portion 70, and be the first clutch solenoid valve 77 of first clutch 23 fuel feeding, be the second clutch solenoid valve 78 of second clutch 12 fuel feeding.Be understandable that, hydraulic control system 200 can comprise: hydraulic pressure assembly oil-feed portion 70, coarse filtration 71, valve plate 72, Oil pump electrical machinery 73, oil pump 74, first clutch pressure transducer 75, second clutch pressure transducer 76, first clutch solenoid valve 77, second clutch solenoid valve 78, TCU wire harness 79, TCU80, relief valve 81, main oil pressure pressure transducer 82, essence filter 83, accumulator 84, second clutch lid 24.Wherein, first clutch solenoid valve 77 is first clutch 23 fuel feeding, and second clutch solenoid valve 78 is second clutch 12 fuel feeding.First clutch solenoid valve 77 can be normal-closed electromagnetic valve, and second clutch solenoid valve 78 can be normal-open electromagnetic valve, and when TCU fault, normally open solenoid valve 43 can, to second clutch 12 fuel feeding, make vehicle travel with a gear.
As shown in Figure 1, according to one embodiment of present invention, clutch feed oil duct 10 is arranged on the madial wall of case of transmission 5, and the both sides of clutch feed oil duct 10 are provided with the clutch rotating seal ring 13 be close to first clutch 23 and second clutch 12.In other words, first clutch 23 is adjacent with case of transmission 5 with second clutch 12, and clutch feed oil duct 10 is arranged on case of transmission 5, meanwhile, case of transmission 5 is provided with rotating seal ring 13, 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 enters via the clutch feed oil duct 10 on housing the Seal cage that housing and rotating seal ring 13 formed with clutch hub 35, then enters by the oil-feed oil duct 36 on clutch hub 35 pressure chamber that the piston of clutch and clutch hub 35 formed.
As shown in Figure 1, according to one embodiment of present invention, clutch housing 5 is respectively equipped with the first clutch lid 21 corresponding with first clutch 23 and the second clutch lid 24 corresponding with second clutch 12.Thus, after first clutch lid 21 and second clutch lid 24 are disassembled, first clutch 23 and second clutch 12 can directly take out, and are convenient to the easily damaged parts changing clutch.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.In addition, the different embodiment described in this specification or example can carry out engaging and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.

Claims (10)

1. the two shift transmission of electric vehicle, is characterized in that, comprising:
Case of transmission (5);
Drive motor (1), described drive motor (1) is connected with described case of transmission (5);
Flexible disk (3), described flexible disk (3) is connected by the motor shaft of spline with described drive motor (1);
Input shaft (7), described input shaft (7) is connected with described flexible disk (3) by spline;
First driving gear (6), described first driving gear (6) is set in described input shaft (7) and goes up and pass through the first flat key (4) and be positioned on described input shaft (7), and described first driving gear (6) is positioned at closes on described flexible disk (3) side;
Second driving gear (8), described second driving gear (8) and described input shaft (7) are one-body molded and be positioned at the opposite side of described input shaft (7);
Output shaft (16), described output shaft (16) and spaced apart setting parallel with described input shaft (7), described output shaft (16) is upper one-body moldedly has output gear (15);
First driven gear (19), described first driven gear (19) empty set goes up at described output shaft (16) and engages with described first driving gear (6);
Second driven gear (14), described second driven gear (14) engage with described second driving gear (8) and empty set on described output shaft (16);
First clutch (23) and second clutch (12), described first clutch (23) is connected with described first driven gear (19) and is positioned at the outside of described first driven gear (19), and described second clutch (12) is connected with described second driven gear (14) and is positioned at the outside of described second driven gear (14);
Main reducing gear and differential assembly (18), main reducing gear is connected with described output gear (15) with differential assembly (18); With
Hydraulic control system (200), described hydraulic control system (200) is connected respectively with described first clutch (23) and second clutch (12).
2. the two shift transmission of electric vehicle according to claim 1, it is characterized in that, described first clutch (23) comprising: clutch hub (35), be located at first O-ring seal (37) of described clutch hub (35) inner side successively, clutch plunger (39), clutch retraction springs (40), return spring jump ring (41), and inner attrition piece (43), outer steel disc (44), outer steel disc jump ring (45), described clutch hub (35) is formed with clutch oil-feed oil duct (36), described clutch plunger (39) is provided with the second annular RunddichtringO (42) and cooling oil duct (38).
3. the two shift transmission of electric vehicle according to claim 2, it is characterized in that, comprise further and connect spline (20), described connection spline (20) is connected between described first driven gear (19) and described first clutch (23).
4. the two shift transmission of electric vehicle according to claim 3, it is characterized in that, described outer steel disc and (44) spline fitted with described clutch hub (35), described inner attrition piece (43) and the spline fitted being connected spline (20), wherein clutch hub (35) is connected with output shaft (16) by the second slip flat key (22).
5. the two shift transmission of electric vehicle according to claim 2, it is characterized in that, the structure of described second clutch (12) and described first clutch (23) and measure-alike, described second driven gear (14) is closed on described second clutch (12) side and is provided with second clutch connection spline (31), described second clutch connects spline (31) and is positioned on described second follower (14) by screw, and described second clutch is connected spline (31) and is connected with described second clutch (12) by spline.
6. the two shift transmission of electric vehicle according to claim 5, it is characterized in that, the inner attrition piece (43) of described second clutch (12) and the spline fitted of the second driving gear epitaxy part (9), clutch hub (35) is connected with input shaft (7) by the first slip flat key (11).
7. the two shift transmission of electric vehicle according to claim 1, it is characterized in that, described hydraulic control system (200) comprising: hydraulic pressure assembly oil-feed portion (70), the oil pump (74) be connected with described hydraulic pressure assembly oil-feed portion (70), and be the first clutch solenoid valve (77) of first clutch (23) fuel feeding, be the second clutch solenoid valve (78) of second clutch (12) fuel feeding.
8. the two shift transmission of electric vehicle according to claim 1, it is characterized in that, described clutch feed oil duct (10) is arranged on the madial wall of described case of transmission (5), and the both sides of described clutch feed oil duct (10) are provided with the clutch rotating seal ring (13) be close to described first clutch (23) and described second clutch (12).
9. the two shift transmission of electric vehicle according to claim 1, it is characterized in that, described clutch housing (5) is respectively equipped with the first clutch lid (21) corresponding with described first clutch (23) and the second clutch lid (24) corresponding with described second clutch (12).
10. the two shift transmission of electric vehicle according to claim 1, it is characterized in that, comprise motor further and connect shell (2), described motor connects shell (2) and is connected between described drive motor (1) and described 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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CN106979304A (en) * 2016-01-15 2017-07-25 财团法人工业技术研究院 Two-speed gearbox with double clutches for electric vehicle
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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
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US11878577B2 (en) 2018-02-02 2024-01-23 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
US11988269B2 (en) * 2022-01-11 2024-05-21 Li-Ho Yao Three-stage speed-change mechanism
CN114704561A (en) * 2022-04-27 2022-07-05 上海辛金路流体技术有限公司 Drill power head synchronous clutch
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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