CN105972178A - Coaxially integrated new energy vehicle speed reducer - Google Patents

Coaxially integrated new energy vehicle speed reducer Download PDF

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Publication number
CN105972178A
CN105972178A CN201610575346.3A CN201610575346A CN105972178A CN 105972178 A CN105972178 A CN 105972178A CN 201610575346 A CN201610575346 A CN 201610575346A CN 105972178 A CN105972178 A CN 105972178A
Authority
CN
China
Prior art keywords
decelerator
output shaft
speed reducer
new forms
integrated new
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.)
Withdrawn
Application number
CN201610575346.3A
Other languages
Chinese (zh)
Inventor
管明文
许刚
孔宇
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.)
SUZHOU DONGFENG JINGCHONG ENGINEERING Co Ltd
Original Assignee
SUZHOU DONGFENG JINGCHONG ENGINEERING Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SUZHOU DONGFENG JINGCHONG ENGINEERING Co Ltd filed Critical SUZHOU DONGFENG JINGCHONG ENGINEERING Co Ltd
Priority to CN201610575346.3A priority Critical patent/CN105972178A/en
Publication of CN105972178A publication Critical patent/CN105972178A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • 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
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/08—Profiling
    • 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
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/028—Gearboxes; Mounting gearing therein characterised by means for reducing vibration or noise
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/118—Structural association with clutches, brakes, gears, pulleys or mechanical starters with starting devices
    • 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
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/08—Profiling
    • F16H2055/086—Silent gear profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Retarders (AREA)
  • Motor Power Transmission Devices (AREA)

Abstract

The invention discloses a coaxially integrated new energy vehicle speed reducer. The speed reducer comprises a speed reducer shell, a differential mechanism, an input shaft assembly and an output shaft assembly, the speed reducer and the differential mechanism are integrally arranged, and the input shaft assembly and the output shaft assembly are coaxially arranged. The output shaft assembly comprises a first output shaft and a second output shaft. One side of the speed reducer shell and a motor shell end cover are integrally arranged. The coaxially integrated new energy vehicle speed reducer is reasonable in structural design, a technical scheme that the input shaft and the output shaft are colinear is adopted to replace traditional straight line arrangement or triangle arrangement so as to reduce the lateral dimension of the whole speed reducer, one side of the shell and a driving motor shell are integrated, the strength is enhanced, and the overall weight is reduced; the differential mechanism is integrated, by means of a modular technology, the differential mechanism can be modularly assembled with the motor directly, the whole assembly procedure of an electric drive system is shortened, and the speed ratio can be adjusted within a certain range by adjusting gear parameters.

Description

Coaxial integrated new forms of energy car decelerator
Technical field
The present invention relates to a kind of decelerator, be specifically related to a kind of coaxial integrated new forms of energy car decelerator, belong to auto parts and components Technical field.
Background technology
Along with the development of country's new forms of energy policy, automobile is to motorized, intelligent development, and the most mixed dynamic, electric motor car is in city Propagate its belief on a large scale on Chang, and the decelerator major part matched with mixed motor-car, electric motor car is import, and subtract for parallel-axis type Speed device, as it is shown in figure 1, its overall volume is relatively big, needs bigger cabin spaces to arrange, and owing to its weight haggles, More energy expenditure is needed for car load.Meanwhile, industry research staff needs by promoting decelerator and mating motor Maximum speed and peak torque, could can meet the requirement that pure electricity high speed/low-speed big travels.
Therefore, how on the basis of using for reference association area improvement experience, improved further, it is provided that a kind of size is little, Lightweight new forms of energy car decelerator, becomes the research direction that current industry research staff is new.
Summary of the invention
A kind of coaxial integrated new forms of energy car decelerator of offer is provided, with overcome of the prior art not Foot.
For realizing object defined above, the technical solution used in the present invention includes:
Embodiments provide a kind of coaxial integrated new forms of energy car decelerator, comprising: speed reducer housing, differential mechanism, Power shaft assembly and output shaft assembly, described decelerator and differential mechanism integrate setting, described power shaft assembly and output shaft Assembly is coaxially disposed.
As being preferable to carry out one of case, described output shaft assembly includes the first output shaft and the second output shaft.
In certain embodiments, described speed reducer housing side is wholely set with motor housing end cap, and/or, described deceleration Device shell is connected by screw and motor housing end cap are fixing.
In certain embodiments, described decelerator is connected by cone bearing with differential mechanism, is additionally provided with one outside described differential mechanism Support.
Being more highly preferred to, described support is connected by screw with speed reducer housing.
In some preferred embodiments, described decelerator and the integrated setting of parking system.
In some preferred embodiments, described decelerator also includes that ratio adjusting mechanism, described ratio adjusting mechanism include gear Assembly.
Being more highly preferred to, the ratio coverage of described decelerator is 8～10.
In some preferred embodiments, the outside of described gear assembly is additionally provided with a spring bearing, and described spring bearing supports Above described motor housing end cap.
Compared with prior art, the invention have the advantages that
(1) present configuration is reasonable in design, uses power shaft to replace traditional straight line with the technical scheme of output shaft conllinear Layout or triangular arrangement reduce the lateral dimension of whole decelerator, and a side body is integrated with driving motor casing, strengthens Intensity, and overall weight is reduced；
(2) the integrated differential mechanism of the present invention, makes kinetic current be divided into two strands, can be with direct drive of wheel；
(3) the integrated parking system of the decelerator of the present invention, meets the requirement that P shelves stop, and parking system is by special P shelves Motor drives, and in case of need, can select mechanical type system drive, in particular cases, can cancel this function；
(4) the decelerator entirety of the present invention uses modular technology, can directly and motor carries out modularization assembling shorten The overall assembly process of power drive system；
(5) decelerator of the present invention uses elongated tooth, the tooth profile parameter of big severe, and carries out noise Simulation optimization, meets Noise requirements under high-speed condition, and by the adjustment to gear parameter, can within the specific limits speed ratio be adjusted.
Accompanying drawing explanation
Fig. 1 is the structural representation sketch of decelerator of the prior art；
Fig. 2 is the structural representation sketch of coaxial integrated new forms of energy car decelerator in the preferred embodiment of the present invention；
Fig. 3 is the structural representation of coaxial integrated new forms of energy car decelerator in the preferred embodiment of the present invention；
Fig. 4 is one of partial internal structure figure of coaxial integrated new forms of energy car decelerator in the preferred embodiment of the present invention；
Fig. 5 is in the preferred embodiment of the present invention the two of the partial internal structure figure of coaxial integrated new forms of energy car decelerator；
Fig. 6 is in the preferred embodiment of the present invention the three of the partial internal structure figure of coaxial integrated new forms of energy car decelerator；
Fig. 7 is in the preferred embodiment of the present invention the four of the partial internal structure figure of coaxial integrated new forms of energy car decelerator.
Description of reference numerals: 1-speed reducer housing, 2-differential mechanism, 3-power shaft assembly, 41-the first output shaft, 42-second Output shaft, 5-motor housing end cap, 6-support, 7-cone bearing, 8-gear assembly, 9-spring bearing, 10-ratchet.
Detailed description of the invention
In view of deficiency of the prior art, inventor, through studying for a long period of time and putting into practice in a large number, is proposed the technology of the present invention Scheme.This technical scheme, its implementation process and principle etc. will be further explained as follows.
One aspect of the embodiment of the present invention provides a kind of coaxial integrated new forms of energy car decelerator, comprising: outside decelerator Shell, differential mechanism, power shaft assembly and output shaft assembly, described decelerator and differential mechanism integrate setting, described power shaft Assembly is coaxially disposed with output shaft assembly.The differential mechanism that automobile is changed Speed allotment introduces decelerator so that decelerator defeated Go out and can directly be divided into two-way, such that it is able to respectively both sides wheel provides the speed controlling of coupling.
As being preferable to carry out one of case, described output shaft assembly includes the first output shaft and the second output shaft.By traditional triangle 3rd edge lengths of shape reduces to zero, and is overlapped in the height direction processing so that input, output shaft can be at same axle On line, power shaft is used to replace traditional straight line or triangular arrangement to reduce whole subtracting with the way of output shaft conllinear The lateral dimension of speed device, and bring the reduction of overall weight.
In certain embodiments, described speed reducer housing side is wholely set with motor housing end cap, concrete, described deceleration Device shell is connected by screw and motor housing end cap are fixing.Such design optimization structure, shortens length, further Strengthen intensity, alleviate weight.
Due to the synthesis with electric machine casing, decelerator is no longer the entirety closed, and will directly form discrete part, logical Cross the modularity to structure to be adjusted so that this part can form an independent entirety, it is simple to the assembling of motor. Decelerator entirety uses modular technology, directly and motor carries out modularization assembling can shorten the integral installation of power drive system Allotment of labor's sequence.
In certain embodiments, described decelerator is connected by cone bearing with differential mechanism, is additionally provided with one outside described differential mechanism Support.Being more highly preferred to, described support is connected by screw with speed reducer housing.
In some preferred embodiments, described decelerator and the integrated setting of parking system.The integrated parking system of decelerator, Meet the requirement that P shelves stop.Parking system is driven by special P shelves motor, in case of need, can select machine Tool drag-line formula system is driven controlling, and in particular cases, can cancel this function.
In some preferred embodiments, described decelerator also includes that ratio adjusting mechanism, described ratio adjusting mechanism include gear Assembly.Design of Speed Reducer input maximum speed reaches 12000rpm.The present invention uses elongated tooth, the tooth profile parameter of big severe, And carry out noise Simulation optimization, the noise requirements under high-speed condition can be met, by the adjustment to gear parameter, whole subtract The speed ratio of speed device can change between 8～10.
In some preferred embodiments, the outside of described gear assembly is additionally provided with a spring bearing, and described spring bearing supports Above described motor housing end cap.
Below in conjunction with accompanying drawing and some exemplary embodiments, technical scheme is carried out clear, complete description.
Refer to shown in Fig. 2-Fig. 3, for the coaxial integrated new forms of energy car decelerator of the present embodiment, comprising: decelerator Shell 1, differential mechanism 2, power shaft assembly 3 and output shaft assembly, described output shaft assembly includes the first output shaft 41 and Two output shafts 42, described power shaft assembly is coaxially disposed with output shaft assembly.Described decelerator integrates with differential mechanism 2 Arranging, described speed reducer housing 1 side is wholely set with motor housing end cap 5, and concrete, described speed reducer housing passes through Screw is fixing with motor housing end cap to be connected.Described decelerator and the integrated setting of parking system.
As illustrated in figures 4-5, described decelerator is connected by cone bearing 7 with differential mechanism 2, is additionally provided with outside described differential mechanism One support 6.Being more highly preferred to, described support 6 is connected by screw with speed reducer housing 1.
Described decelerator also includes that ratio adjusting mechanism, described ratio adjusting mechanism include gear assembly 8.It is more highly preferred to, The ratio coverage of described decelerator is 8～10.As shown in Figure 6, the outside of described gear assembly 8 is additionally provided with a support shaft Holding 9, described spring bearing 9 is supported in above described motor housing end cap 5.
As it is shown in fig. 7, be additionally provided with ratchet 10 in described decelerator, it is connected with gear assembly by spline.
In sum, by technique scheme, the present embodiment reasonable in design, use power shaft and output shaft conllinear Technical scheme replace traditional straight line or triangular arrangement to reduce the lateral dimension of whole decelerator, a side body with The integration of driving motor casing, strengthens intensity, and overall weight is reduced；The integrated differential mechanism of the present invention, uses modularity Technology, directly and motor carries out modularization assembling can shorten the overall assembly process of power drive system, and by gear The adjustment of parameter, can be adjusted speed ratio within the specific limits.
The technology contents of the present invention and technical characteristic have revealed that as above, but those of ordinary skill in the art are still potentially based on this Invention teaching and announcement and make all replacements without departing substantially from spirit of the present invention and modification, therefore, scope should not It is limited to the content disclosed in embodiment, and the various replacement without departing substantially from the present invention and modification should be included, and weigh for present patent application Profit requires to be contained.

Claims (9)

1. a coaxial integrated new forms of energy car decelerator, it is characterised in that including: speed reducer housing, differential mechanism, input Shaft assembly and output shaft assembly, described decelerator and differential mechanism integrate setting, described power shaft assembly and output shaft assembly It is coaxially disposed.
Coaxial integrated new forms of energy car decelerator the most according to claim 1, it is characterised in that: described output shaft group Part includes the first output shaft and the second output shaft.
Coaxial integrated new forms of energy car decelerator the most according to claim 1, it is characterised in that: outside described decelerator Shell side is wholely set with motor housing end cap, and/or, described speed reducer housing is fixed with motor housing end cap by screw Connect.
Coaxial integrated new forms of energy car decelerator the most according to claim 1, it is characterised in that: described decelerator with Differential mechanism is connected by cone bearing, is additionally provided with a support outside described differential mechanism.
Coaxial integrated new forms of energy car decelerator the most according to claim 4, it is characterised in that: described support with subtract Speed device shell is connected by screw.
6. according to the coaxial integrated new forms of energy car decelerator according to any one of claim 1-5, it is characterised in that: institute State decelerator and the integrated setting of parking system.
Coaxial integrated new forms of energy car decelerator the most according to claim 6, it is characterised in that: described decelerator is also Including ratio adjusting mechanism, described ratio adjusting mechanism includes gear assembly.
Coaxial integrated new forms of energy car decelerator the most according to claim 7, it is characterised in that: described decelerator Ratio coverage is 8～10.
Coaxial integrated new forms of energy car decelerator the most according to claim 7, it is characterised in that: described gear assembly Outside be additionally provided with a spring bearing, described spring bearing is supported in above described motor housing end cap.
CN201610575346.3A 2016-07-21 2016-07-21 Coaxially integrated new energy vehicle speed reducer Withdrawn CN105972178A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610575346.3A CN105972178A (en) 2016-07-21 2016-07-21 Coaxially integrated new energy vehicle speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610575346.3A CN105972178A (en) 2016-07-21 2016-07-21 Coaxially integrated new energy vehicle speed reducer

Publications (1)

Publication Number Publication Date
CN105972178A true CN105972178A (en) 2016-09-28

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Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106523638A (en) * 2016-08-31 2017-03-22 苏州东风精冲工程有限公司 Half box type new energy vehicle reducer
CN107763163A (en) * 2017-09-21 2018-03-06 宁波上中下自动变速器有限公司 A kind of transmission system and there is its vehicle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106523638A (en) * 2016-08-31 2017-03-22 苏州东风精冲工程有限公司 Half box type new energy vehicle reducer
CN106523638B (en) * 2016-08-31 2019-03-08 苏州东风精冲工程有限公司 Half box type new energy vehicle retarder
CN107763163A (en) * 2017-09-21 2018-03-06 宁波上中下自动变速器有限公司 A kind of transmission system and there is its vehicle
CN107763163B (en) * 2017-09-21 2020-02-14 宁波上中下自动变速器有限公司 Transmission system and vehicle with same

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C04 Withdrawal of patent application after publication (patent law 2001)
WW01 Invention patent application withdrawn after publication

Application publication date: 20160928