CN106740086A - A kind of bending moment differential drive device of coaxial input and output - Google Patents
A kind of bending moment differential drive device of coaxial input and output Download PDFInfo
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- CN106740086A CN106740086A CN201611206046.4A CN201611206046A CN106740086A CN 106740086 A CN106740086 A CN 106740086A CN 201611206046 A CN201611206046 A CN 201611206046A CN 106740086 A CN106740086 A CN 106740086A
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- 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
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
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- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- 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
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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Abstract
A kind of bending moment differential drive device of coaxial input and output, including motor sub-unit, motor sub-unit are milled with the armature spindle that armature spindle exports end tooth including front end；Torque-converters sub-unit includes change-speed gearing, change-speed gearing is on differential mechanism sub-unit housing, dead axle star-wheel back-end support is on the cover of converter cover rear end, speed change duplex spider gear shaft one end is inserted on the cover of rear end, the speed change duplex spider gear shaft other end is inserted on dead axle star-wheel support front end, the output A ends of differential mechanism sub-unit are inserted on dead axle star-wheel support front end, the output B ends of differential mechanism sub-unit are on torque-converters end cap, speed change duplex star-wheel is on speed change duplex spider gear shaft, armature spindle output end tooth is connected by speed change duplex star-wheel with variable gearing；Back end cover for motor is concave inward structure, and the position of correspondence concave inward structure is set with rotation change device on armature spindle, and sealing becomes device end cover equipped with rotation on back end cover for motor lateral surface；Change-speed gearing is provided with change-speed gearing and gets rid of oilhole.Suitable for vehicle.
Description
Technical field
The present invention relates to a kind of drive device, more particularly to a kind of bending moment differential drive device of coaxial input and output.
Background technology
At present, as the fast development of society, functional requirement of the people to electric vehicle are more and more, space requirement is used
It is more next big, performance requirement also more and more higher.Chinese patent CN201310432849.1 discloses a kind of coaxial motor bending moment differential
Device assembly, including motor sub-unit, torque-converters sub-unit and differential mechanism sub-unit, motor sub-unit include electric machine casing, difference
Installed in electric machine casing two ends back end cover for motor and motor front end cover and be movably arranged on back end cover for motor and motor front end
The armature spindle for covering, armature spindle is hollow structure；Torque-converters sub-unit includes converter cover, gear and installed in bending moment
The torque-converters end cap of device housing forward end, converter cover rear end is arranged on motor front end cover, and armature spindle front end passes through driver
Structure is connected with the input of gear, and the output end of gear is fixed on the housing of differential mechanism sub-unit, differential
The output B ends of device sub-unit are arranged on torque-converters end cap, and the output A ends and output B ends of differential mechanism sub-unit are same with armature spindle
Axle is arranged.
Although the patent is realized the power of motor sub-unit is coaxially exported from two ends, balance is good, compact conformation and
Chassis occupies little space, but the patent can not seal installation rotation and become device.Specifically, as direct on the medial surface of back end cover for motor
Install rotation additional and become device, though can so realize that rotation becomes the built-in installation of device, the rotation becomes the working environment and non-hermetic environments of device, this
Sample, the micronic dust produced by rotor operation can fall rotation and become on device, and the normal work that device is become on rotation produces influence, is easily caused
Rotation becomes the accuracy of detection reduction of device.
Therefore, the sealing installation of device is become to realize rotation, the patent can only become device using external rotation, specifically, first by rotor
Back end cover for motor is stretched out in shaft rear end extension, and then installing rotation additional on the lateral surface of back end cover for motor again becomes device, finally again in motor
Install the rotation for becoming device for sealing rotary on the lateral surface of rear end cap additional and become device end cover.So, though can realize that rotation becomes the sealing of device
Install, but the size of motor can be increased, be not easy to installing and using for motor later stage；Simultaneously as the lateral surface of back end cover for motor
On also need that drive sleeve fulcrum bearing is installed, so the length of drive sleeve fulcrum bearing mounting screw can be increased, so as to drive sleeve can be reduced
The installation strength of fulcrum bearing；And, after rotation is become into the external installation of device, the holding wire that rotation becomes device can only be from outside cabling, so meeting
Influence the installation of other spare and accessory parts.
Meanwhile, the torque-converters sub-unit in above-mentioned Chinese patent CN201310432849.1 exists following when actually used
Problem：
Because torque-converters sub-unit produces scrap using easy after a period of time, and the gear train in torque-converters sub-unit is
Enclosed construction, so the scrap for producing will remain in gear train, so as to cause abrasion to bearing system and gear train, drops significantly
Low service life.
The content of the invention
The invention aims to overcome the shortcomings of above-mentioned background technology, there is provided a kind of bending moment of coaxial input and output is poor
Fast drive device.
In order to realize the above object the bending moment differential drive device of a kind of coaxial input and output that the present invention is provided, including
Motor sub-unit, torque-converters sub-unit and differential mechanism sub-unit, the motor sub-unit include electric machine casing, are separately mounted to institute
State the back end cover for motor and motor front end cover at electric machine casing two ends and be movably arranged on the back end cover for motor and motor front end
The armature spindle for covering, the armature spindle is hollow structure；The torque-converters sub-unit includes converter cover, gear and peace
Mounted in the torque-converters end cap of the converter cover front end, before the rear end cap of the converter cover is partially installed on the motor
On end cap, the front end of the armature spindle is connected with the input of the gear, and the output end of the gear is consolidated
It is scheduled on the housing of the differential mechanism sub-unit, the output B ends of the differential mechanism sub-unit are arranged on the torque-converters end cap,
The output A ends of the differential mechanism sub-unit are coaxially arranged with the armature spindle, and the back end cover for motor is concave inward structure, described turn
The position of the correspondence concave inward structure is set with rotation change device on sub- axle, and the rotation becomes device and is fixedly mounted on the back end cover for motor
On, rotation is sealed and installed with the lateral surface of the back end cover for motor and becomes device end cover；The front end of the armature spindle is directly milled with
Armature spindle exports end tooth；The gear includes speed change duplex star-wheel, speed change duplex spider gear shaft, dead axle star-wheel support and speed change
Gear, the change-speed gearing is internal tooth disk-shaped structure, and the disk side part of the change-speed gearing is fixedly mounted on the differential mechanism point
On the housing of assembly, the rear end of the dead axle star-wheel support is arranged on the rear end cover of the converter cover, the change
Fast duplex spider gear shaft one end is inserted on the rear end cover of the converter cover, and the speed change duplex spider gear shaft other end is inserted
On the front end of the dead axle star-wheel support, the output A ends of the differential mechanism sub-unit are also inserted into the dead axle star-wheel branch
On the front end of frame, the speed change duplex star-wheel is arranged on the speed change duplex spider gear shaft, and the armature spindle output end tooth passes through
The speed change duplex star-wheel is connected with the variable gearing；The change-speed gearing is provided with change-speed gearing and gets rid of oilhole.
Concave inward structure is designed as by by back end cover for motor, in so avoiding the interference that rotor becomes device to rotation,
And can arrange that rotation becomes device in the concave inward structure, finally again in back end cover for motor on the premise of motor size is not increased
Seal installation rotation on lateral surface to become device end cover is that the built-in sealing for being capable of achieving rotation change device is installed, and so, may be such that the present apparatus
Size it is small, the holding wire for being easy to rotation to become device is drawn, and does not influence the installation of other spare and accessory parts, and present apparatus simple structure, is installed
Convenient and low cost；Meanwhile, the power of motor sub-unit is transferred to after torque-converters sub-unit variable-speed torque-converting by armature spindle
On differential mechanism sub-unit, on the one hand the power being transferred on differential mechanism sub-unit export from the output B ends of differential mechanism sub-unit, separately
On the one hand exported from the output A ends of differential mechanism sub-unit, and can be installed in the armature spindle of hollow structure and differential mechanism sub-unit
The power transmission shaft that is connected of output A ends power is exported from the rear end of motor sub-unit, due to the output A ends of differential mechanism sub-unit
It is coaxially arranged with armature spindle, so the power exported from the output B ends of differential mechanism sub-unit and defeated from the rear end of motor sub-unit
The power for going out is also coaxial, it is achieved thereby that the power of motor sub-unit is coaxially exported from the two ends of this assembly, balance
It is good；It is additionally, since gear and differential mechanism sub-unit is all integrated in torque converter casing body, and on motor front end cover,
So compact conformation, chassis occupies little space；Again and, by the front end of armature spindle directly mill out armature spindle export end tooth, this
Sample, on the one hand reduces the spare and accessory parts quantity that need to be assembled, and structure is more simple and reliable, and another aspect armature spindle exports the intensity of end tooth
Higher, stability is more preferable；In addition, the dead axle star-wheel support for adding is so that the two ends of speed change duplex spider gear shaft are supported,
So, transmission is more steady reliable；Still further, the dead axle star-wheel support for adding can also play the output of positioning differential mechanism sub-unit
The effect at A ends, so as to ensure that the output A ends of differential mechanism sub-unit and the axiality of armature spindle；Finally, the change-speed gearing for adding
On the one hand get rid of oilhole can make the flowing of fluid more smooth, being produced because of operating in the inner space of another aspect change-speed gearing
Scrap can get rid of oilhole and discharge by change-speed gearing, it is to avoid scrap causes mill to the bearing system inside change-speed gearing and gear train
Damage, so as to improve the service life of the present apparatus.
In such scheme, the speed change duplex star-wheel be duplex toothing, the rear end tooth of the speed change duplex star-wheel with
The armature spindle output end tooth is often engaged, and the front end tooth of the speed change duplex star-wheel is often engaged with the change-speed gearing.By adopting
Speed reducing ratio is improve with the speed change duplex star-wheel of duplex toothing, so as to improve bending moment speed changing effect.Certainly, speed change duplex star-wheel
Or monodentate structure.
In such scheme, the speed change duplex star-wheel is provided with speed change duplex star-wheel oilhole, the speed change duplex star-wheel
It is arranged on the speed change duplex spider gear shaft by speed change duplex star-wheel needle bearing.The speed change duplex star-wheel oilhole for adding can make
The bearing obtained on speed change duplex star-wheel is lubricated and is cooled down, so as to further increasing the service life of the present apparatus.
In such scheme, the speed change duplex star-wheel is at least one.The quantity of speed change duplex star-wheel can be according to transmission
Torque size, speed height and power transmission the factor design such as stationarity.
In such scheme, coaxially arranged coaxial transmission axle is provided with the armature spindle, before the coaxial transmission axle
End fixation is inserted into the output A ends of the differential mechanism sub-unit, and the armature spindle is run through simultaneously in the rear end of the coaxial transmission axle
Stretch out.By adding coaxially arranged coaxial transmission axle in the armature spindle of hollow structure, realize differential mechanism point is total
Into the power at output A ends exported from the rear end of motor sub-unit so that the power of motor sub-unit is from the two ends of this assembly
Coaxial output, balance is good and is drawn without adding the power at output A end of the power transmission shaft by differential mechanism sub-unit in addition.To reduce
Influence of the electromagnetic field of motor sub-unit to coaxial transmission axle high speed rotation, can manufacture coaxial transmission axle using magnetically permeable material.
In such scheme, the rear end fixed cover of the coaxial transmission axle is equipped with drive sleeve, and the rotation becomes device end cover
Lateral surface on drive sleeve fulcrum bearing is installed, the two ends of the drive sleeve are respectively by a drive sleeve Limit Bearing activity peace
In the drive sleeve fulcrum bearing.So, power directly can outwards be transmitted by the drive sleeve, extra without adding
Power take-off mechanism.Meanwhile, duplex bearing mounting structure is designed to by by drive sleeve, so, may be such that transmission is more steady reliable.
And, after back end cover for motor is designed as into concave inward structure, drive sleeve fulcrum bearing need to only choose the mounting screw of general length
Installed, so as to facilitate the installation of drive sleeve fulcrum bearing, also ensure that the installation strength of drive sleeve fulcrum bearing.
In such scheme, the position that the correspondence rotation becomes device on the electric machine casing is provided with and becomes device signal for installing rotation
The sealing sleeve pipe of line.The position for becoming device by the correspondence rotation on electric machine casing adds the sealing shroud for becoming device holding wire for installing rotation
Pipe, the holding wire for being so easy to rotation to become device is drawn, and the installation of other spare and accessory parts is not influenceed.
In such scheme, the outer surface of the electric machine casing is provided with bosh.The bosh for adding can be effective
Ground reduces the temperature of electric machine casing, so as to further increasing the stability and reliability of present apparatus operation.
In such scheme, outage, the outage interior sealing are offered on the housing parts of the converter cover
Drain oil plug is installed.The drain oil plug for adding can easily by the scrap discharge in torque converter casing body, it is to avoid scrap is to bearing system
Abrasion is caused with gear train, so as to improve the service life of the present apparatus.
In such scheme, the position edge of the correspondence outage on the inner surface of the housing parts of the converter cover
Circumferencial direction is provided with annular oil scupper.The annular oil scupper for adding make use of the layering water conservancy diversion principle in fluidics so that scrap
It is easy to precipitation to collect.
In such scheme, the head of the drain oil plug is provided with permanent magnetism head.The permanent magnetism head for adding further is facilitated
The collection of scrap.
The advantage of the invention is that：
1st, concave inward structure is designed as by by back end cover for motor, becoming device to rotation in so avoiding rotor does
Disturb, and can arrange that rotation becomes device in the concave inward structure, finally again in back end cover for motor on the premise of motor size is not increased
Lateral surface on seal install rotation become device end cover be capable of achieving rotation become device built-in sealing install, so, may be such that this dress
The size put is small, and the holding wire for being easy to rotation to become device is drawn, and the installation of other spare and accessory parts, and present apparatus simple structure, peace are not influenceed
Fill convenient and low cost；
2nd, the power of motor sub-unit is transferred to by differential mechanism point after torque-converters sub-unit variable-speed torque-converting by armature spindle
On assembly, be transferred to power on differential mechanism sub-unit and on the one hand exported from the output B ends of differential mechanism sub-unit, on the other hand from
The output A ends output of differential mechanism sub-unit, and the output A ends with differential mechanism sub-unit can be installed in the armature spindle of hollow structure
The power transmission shaft being connected exports power from the rear end of motor sub-unit, due to the output A ends of differential mechanism sub-unit and armature spindle
It is coaxially arranged, so the power that the power exported from the output B ends of differential mechanism sub-unit and the rear end from motor sub-unit export
It is also coaxial, it is achieved thereby that the power of motor sub-unit is coaxially exported from the two ends of this assembly, balance is good；
3rd, because gear and differential mechanism sub-unit are all integrated in torque converter casing body, and installed in motor front end cover
On, so compact conformation, chassis occupies little space；
4th, end tooth is exported by directly milling out armature spindle in the front end of armature spindle, so, on the one hand reduces what need to be assembled
Spare and accessory parts quantity, structure is more simple and reliable, and the intensity of another aspect armature spindle output end tooth is higher, and stability is more preferable；
5th, so that the two ends of speed change duplex spider gear shaft are supported, so, transmission is more for the dead axle star-wheel support that adds
It is steady reliable；
6th, the dead axle star-wheel support for adding can also play a part of to position the output A ends of differential mechanism sub-unit, so as to protect
The output A ends of differential mechanism sub-unit and the axiality of armature spindle are demonstrate,proved；
7th, speed reducing ratio is improve by the speed change duplex star-wheel using duplex toothing, so as to improve bending moment speed changing effect；
8th, the change-speed gearing for adding get rid of oilhole on the one hand the flowing of fluid can be made more smooth, another aspect change-speed gearing it is interior
The scrap produced by operating in portion space can get rid of oilhole and discharge by change-speed gearing, it is to avoid scrap is to change-speed gearing inside
Bearing system and gear train cause abrasion, so as to improve the service life of the present apparatus；
9th, the speed change duplex star-wheel oilhole for adding may be such that the bearing on speed change duplex star-wheel is lubricated and cooled down, so that
Further increasing the service life of the present apparatus；
10th, stationarity that the quantity of speed change duplex star-wheel can be transmitted according to the torque size of transmission, speed height and power etc.
Factor design；
11st, by adding coaxially arranged coaxial transmission axle in the armature spindle of hollow structure, realize differential mechanism point
The power at the output A ends of assembly is exported from the rear end of motor sub-unit, so that the power of motor sub-unit is from the two of this assembly
The coaxial output in end, balance is good and is drawn without adding the power at output A end of the power transmission shaft by differential mechanism sub-unit in addition；
12nd, by the rear end of coaxial transmission axle fix suit drive sleeve, so, power directly can by drive sleeve to
Outer transmission, without adding extra power take-off mechanism；
13rd, duplex bearing mounting structure is designed to by by drive sleeve, so, may be such that transmission is more steady reliable；
14th, after back end cover for motor is designed as into concave inward structure, drive sleeve fulcrum bearing need to only choose the peace of general length
Cartridge screw is installed, and so as to facilitate the installation of drive sleeve fulcrum bearing, also ensure that the installation strength of drive sleeve fulcrum bearing；
15th, the position for becoming device by the correspondence rotation on electric machine casing adds the sealing shroud for becoming device holding wire for installing rotation
Pipe, the holding wire for being so easy to rotation to become device is drawn, and the installation of other spare and accessory parts is not influenceed；
16th, the bosh for adding can be effectively reduced the temperature of electric machine casing, so as to further increasing the present apparatus
The stability and reliability of operation；
17th, the drain oil plug for adding can easily by the scrap discharge in torque converter casing body, it is to avoid scrap to bearing system and
Gear train causes abrasion, so as to improve the service life of the present apparatus；
18th, the annular oil scupper for adding make use of the layering water conservancy diversion principle in fluidics so that scrap is easy to precipitation to collect；
19th, the permanent magnetism head for adding further facilitates the collection of scrap.
The course of work of the invention is as follows：
First, the power of the motor sub-unit is delivered to speed change duplex star from the armature spindle through armature spindle output end tooth
On wheel；Then, power is delivered on differential mechanism sub-unit by speed change duplex star-wheel through change-speed gearing again；Finally, power is on the one hand
Directly exported from the output B ends of differential mechanism sub-unit, on the other hand the output A ends from differential mechanism sub-unit are defeated through coaxial transmission axle
Go out.
Brief description of the drawings
Fig. 1 is assembling structure schematic diagram of the invention；
Fig. 2 is the cross-sectional view of the line C-C along Fig. 1.
In figure：Motor sub-unit 1, electric machine casing 1a, armature spindle 1b, back end cover for motor 1c, motor front end cover 1d, armature spindle
Output end tooth 1e, bosh 1f, torque-converters sub-unit 2, converter cover 2a, rear end cover 2a1, housing parts 2a2, change
Fast mechanism 2b, speed change duplex star-wheel 2b1, speed change duplex spider gear shaft 2b2, dead axle star-wheel support 2b3, change-speed gearing 2b4, gear teeth
Wheel gets rid of oilhole 2b5, and speed change duplex star-wheel oilhole 2b6, torque-converters end cap 2c, differential mechanism sub-unit 3, rotation becomes device 4, and rotation becomes device sealing
End cap 5, coaxial transmission axle 6, drive sleeve 6a, drive sleeve fulcrum bearing 6b, drive sleeve Limit Bearing 6c, sealing sleeve pipe 7, drain oil plug 8,
Annular oil scupper 9, permanent magnetism first 10, drive sleeve fulcrum bearing end cap 11, rotor axis of electric rotation becomes device end cover skeleton sealing element 12.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the present invention is described in further detail, but the embodiment should not be construed as it is right
Limitation of the invention.
Present embodiments provide a kind of bending moment differential drive device of coaxial input and output, including motor sub-unit 1, bending moment
Device sub-unit 2 and differential mechanism sub-unit 3, the motor sub-unit 1 include electric machine casing 1a, are separately mounted to the electric machine casing
The back end cover for motor 1c and motor front end cover 1d at 1a two ends and it is movably arranged on the back end cover for motor 1c and motor front end cover
Armature spindle 1b, the armature spindle 1b on 1d are hollow structure；The torque-converters sub-unit 2 includes converter cover 2a, speed change
The mechanism 2b and torque-converters end cap 2c installed in the converter cover 2a front ends, the rear end cover of the converter cover 2a
2a1 is arranged on the motor front end cover 1d, and the front end of the armature spindle 1b is driven with the input of the gear 2b and connects
Connect, the output end of the gear 2b is fixed on the housing of the differential mechanism sub-unit 3, the differential mechanism sub-unit 3
Output B ends are arranged on the torque-converters end cap 2c, and the output A ends of the differential mechanism sub-unit 3 are coaxial with the armature spindle 1b
Arrangement, the back end cover for motor 1c is concave inward structure, and the position of the correspondence concave inward structure is set with rotation on the armature spindle 1b
Become device 4, the rotation becomes device 4 and is fixedly mounted on the lateral surface of the back end cover for motor 1c, the outside of the back end cover for motor 1c
Become device end cover 5 by being sealed and installed with rotation on face, the rotation becomes and be provided between device end cover 5 and the armature spindle 1b
Rotor axis of electric rotation for sealing becomes device end cover skeleton sealing element 12, and the rotation becomes device end cover 5 and passes through countersunk head spiral shell
Nail is on the lateral surface of the back end cover for motor 1c.
Concave inward structure is designed as by by back end cover for motor 1c, the dry of device 4 is become to rotation in so avoiding rotor
Disturb, and can arrange that rotation becomes device 4 in the concave inward structure, finally again in motor rear end on the premise of motor size is not increased
Cover on the lateral surface of 1c to seal to install and revolve the built-in sealing installation that change device end cover 5 is capable of achieving rotation change device 4, so, can make
The size for obtaining the present apparatus is small, and the holding wire for being easy to rotation to become device 4 is drawn, and the installation of other spare and accessory parts, and present apparatus structure are not influenceed
Simply, easy for installation and low cost；Meanwhile, by armature spindle 1b by the power of motor sub-unit 1 through the speed change of torque-converters sub-unit 2
It is transferred to after bending moment on differential mechanism sub-unit 3, is transferred to the power on differential mechanism sub-unit 3 on the one hand from differential mechanism sub-unit 3
The output of output B ends, on the other hand exported from the output A ends of differential mechanism sub-unit 3, and can be in the armature spindle 1b of hollow structure
The power transmission shaft that installation is connected with the output A ends of differential mechanism sub-unit 3 exports power from the rear end of motor sub-unit 1, due to
The output A ends of differential mechanism sub-unit 3 are coaxially arranged with armature spindle 1b, thus from the output B ends of differential mechanism sub-unit 3 export it is dynamic
The power that power and the rear end from motor sub-unit 1 export is also coaxial, it is achieved thereby that by the power of motor sub-unit 1 from originally
The two ends of assembly coaxially export, and balance is good；It is additionally, since gear 2b and differential mechanism sub-unit 3 is all integrated in torque-converters
In housing 2a, and on motor front end cover 1d, so compact conformation, chassis occupies little space.
The front end of above-mentioned armature spindle 1b is directly milled with armature spindle output end tooth 1e；The gear 2b includes speed change duplex
Star-wheel 2b1, speed change duplex spider gear shaft 2b2, dead axle star-wheel support 2b3 and change-speed gearing 2b4, the change-speed gearing 2b4 are internal tooth
Disk-shaped structure, the disk side part of the change-speed gearing 2b4 is fixedly mounted on the housing of the differential mechanism sub-unit 3, described fixed
The rear end of axle star-wheel support 2b3 is arranged on the rear end cover 2a1 of the converter cover 2a, the speed change duplex spider gear shaft
2b2 one end is inserted on the rear end cover 2a1 of the converter cover 2a, and the speed change duplex spider gear shaft 2b2 other ends are inserted
On the front end of the dead axle star-wheel support 2b3, the output A ends of the differential mechanism sub-unit 3 are also inserted into the dead axle star
On the front end of wheel support 2b3, the speed change duplex star-wheel 2b1 is arranged on the speed change duplex spider gear shaft 2b2, the armature spindle
Output end tooth 1e is connected by the speed change duplex star-wheel 2b1 with the change-speed gearing 2b4.By before armature spindle 1b
End directly mills out armature spindle output end tooth 1e, so, on the one hand reduces the spare and accessory parts quantity that need to be assembled, and structure more simply may be used
Lean on, the intensity of another aspect armature spindle output end tooth 1e is higher, and stability is more preferable；Meanwhile, the dead axle star-wheel support 2b3 for adding makes
The two ends for obtaining speed change duplex spider gear shaft 2b2 are supported, and so, transmission is more steady reliable；And, the dead axle star-wheel for adding
Support 2b3 can also play a part of to position the output A ends of differential mechanism sub-unit 3, so as to ensure that the defeated of differential mechanism sub-unit 3
Go out the axiality at A ends and armature spindle 1b.Gear 2b in the present embodiment is one-level speed change, and gear 2b is alternatively two grades
Gear or three-stage speed change mechanism etc., specific variable-speed torque-converting series can be designed according to actual needs.
Above-mentioned speed change duplex star-wheel 2b1 is duplex toothing, the rear end tooth and the rotor of the speed change duplex star-wheel 2b1
Axle output end tooth 1e is often engaged, and the front end tooth of the speed change duplex star-wheel 2b1 is often engaged with the change-speed gearing 2b4.By adopting
Speed reducing ratio is improve with the speed change duplex star-wheel 2b1 of duplex toothing, so as to improve bending moment speed changing effect.Certainly, speed change duplex
Star-wheel 2b1 is alternatively monodentate structure.The speed change duplex star-wheel 2b1 is provided with speed change duplex star-wheel oilhole 2b6, and the speed change is double
Couple stars wheel 2b1 is arranged on the speed change duplex spider gear shaft 2b2 by speed change duplex star-wheel needle bearing.The speed change duplex for adding
Star-wheel oilhole 2b6 may be such that the bearing on speed change duplex star-wheel 2b1 is lubricated and cooled down, so as to further increasing this dress
The service life put.The speed change duplex star-wheel 2b1 is at least one.The quantity of speed change duplex star-wheel 2b1 can be according to transmission
The factor designs such as the stationarity of torque size, speed height and power transmission.
Coaxially arranged coaxial transmission axle 6 is provided with above-mentioned armature spindle 1b, inserting is fixed in the front end of the coaxial transmission axle 6
In the output A ends of the differential mechanism sub-unit 3, the rear end of the coaxial transmission axle 6 is through the armature spindle 1b and to extension
Stretch.By adding coaxially arranged coaxial transmission axle 6 in the armature spindle 1b of hollow structure, realize differential mechanism sub-unit 3
The power at output A ends exported from the rear end of motor sub-unit 1 so that the power of motor sub-unit 1 is from the two ends of this assembly
Coaxial output, balance is good and is drawn without adding the power at output A end of the power transmission shaft by differential mechanism sub-unit 3 in addition.To subtract
Influence of the electromagnetic field of small machine sub-unit 1 to the high speed rotation of coaxial transmission axle 6, can manufacture coaxial transmission using magnetically permeable material
Axle 6.Equipped with drive sleeve 6a, the rotation becomes and installed on the lateral surface of device end cover 5 the rear end fixed cover of the coaxial transmission axle 6
The two ends for having drive sleeve fulcrum bearing 6b, the drive sleeve 6a are movably arranged on described by a drive sleeve Limit Bearing 6c respectively
In drive sleeve fulcrum bearing 6b.Drive sleeve fulcrum bearing end cap 11 is installed on the lateral surface of the drive sleeve fulcrum bearing 6b.So, move
Power directly can outwards be transmitted by the drive sleeve 6a, without adding extra power take-off mechanism.Meanwhile, by that will be driven
Set 6a is designed to duplex bearing mounting structure, so, may be such that transmission is more steady reliable.And, set by by back end cover for motor 1c
After being calculated as concave inward structure, the mounting screw that drive sleeve fulcrum bearing 6b need to only choose general length is installed, so as to facilitate biography
The installation of dynamic set fulcrum bearing 6b, also ensure that the installation strength of drive sleeve fulcrum bearing 6b.
The position that the correspondence rotation becomes device 4 on above-mentioned electric machine casing 1a is provided with the sealing shroud for becoming device holding wire for installing rotation
Pipe 7.The position for becoming device 4 by the correspondence rotation on electric machine casing 1a adds the sealing sleeve pipe 7 for becoming device holding wire for installing rotation, this
Sample is easy to the holding wire that rotation becomes device 4 to draw, and the installation of other spare and accessory parts is not influenceed.The outer surface of the electric machine casing 1a is provided with
Bosh 1f.The bosh 1f for adding can be effectively reduced the temperature of electric machine casing 1a, so as to further increasing this
The stability and reliability of plant running.
Above-mentioned change-speed gearing 2b4 is provided with change-speed gearing and gets rid of oilhole 2b5.On the one hand the change-speed gearing for adding gets rid of oilhole 2b5
The flowing of fluid can be made more smooth, the scrap produced by operating in the inner space of another aspect change-speed gearing 2b4 can lead to
Cross change-speed gearing and get rid of oilhole 2b5 discharges, it is to avoid scrap causes abrasion to the bearing system inside change-speed gearing 2b4 and gear train,
So as to improve the service life of the present apparatus.Outage, the row are offered on the housing parts 2a2 of the converter cover 2a
Oilhole interior sealing is provided with drain oil plug 8.The drain oil plug 8 for adding can easily by the scrap discharge in converter cover 2a, it is to avoid
Scrap causes abrasion to bearing system and gear train, so as to improve the service life of the present apparatus.The converter cover 2a's
The position of the correspondence outage is along the circumferential direction provided with annular oil scupper 9 on the inner surface of housing parts 2a2.The annular for adding
Oil scupper 9 make use of the layering water conservancy diversion principle in fluidics so that scrap is easy to precipitation to collect.The head peace of the drain oil plug 8
Equipped with permanent magnetism first 10.The permanent magnetism first 10 for adding further facilitates the collection of scrap.
The present embodiment is designed as concave inward structure by by back end cover for motor 1c, and rotation is become in so avoiding rotor
The interference of device 4, and can arrange that rotation becomes device 4 in the concave inward structure, finally again in electricity on the premise of motor size is not increased
It is to be capable of achieving the built-in sealing installation that rotation becomes device 4 to be sealed on the lateral surface of machine rear end cap 1c and install rotation change device end cover 5, this
Sample, may be such that the size of the present apparatus is small, and the holding wire for being easy to rotation to become device 4 is drawn, and the installation of other spare and accessory parts, and this dress are not influenceed
Put simple structure, easy for installation and low cost；The power of motor sub-unit 1 is become through torque-converters sub-unit 2 by armature spindle 1b
It is transferred to after fast bending moment on differential mechanism sub-unit 3, is transferred to the power on differential mechanism sub-unit 3 on the one hand from differential mechanism sub-unit
3 output B ends output, on the other hand exports from the output A ends of differential mechanism sub-unit 3, and can be in the armature spindle 1b of hollow structure
The interior power transmission shaft being connected with the output A ends of differential mechanism sub-unit 3 of installing exports power from the rear end of motor sub-unit 1, by
It is coaxially arranged with armature spindle 1b in the output A ends of differential mechanism sub-unit 3, so exported from the output B ends of differential mechanism sub-unit 3
Power and the power exported from the rear end of motor sub-unit 1 are also coaxial, it is achieved thereby that by the power of motor sub-unit 1 from
The two ends of this assembly coaxially export, and balance is good；Because gear 2b and differential mechanism sub-unit 3 are all integrated in converter cover
In 2a, and on motor front end cover 1d, so compact conformation, chassis occupies little space；By in the front end of armature spindle 1b
Armature spindle output end tooth 1e is directly milled out, so, the spare and accessory parts quantity that need to be assembled on the one hand is reduced, structure is more simple and reliable,
The intensity of another aspect armature spindle output end tooth 1e is higher, and stability is more preferable；The dead axle star-wheel support 2b3 for adding is so that speed change is double
The two ends of couple stars wheel shaft 2b2 are supported, and so, transmission is more steady reliable；The dead axle star-wheel support 2b3 for adding can also
Play a part of the output A ends of positioning differential mechanism sub-unit 3, so as to ensure that output A ends and the armature spindle of differential mechanism sub-unit 3
The axiality of 1b；Speed reducing ratio is improve by the speed change duplex star-wheel 2b1 using duplex toothing, so that improving bending moment becomes quick-acting
Really；On the one hand the change-speed gearing for adding gets rid of oilhole 2b5 can make the flowing of fluid more smooth, and another aspect change-speed gearing 2b4's is interior
The scrap produced by operating in portion space can get rid of oilhole 2b5 and discharge by change-speed gearing, it is to avoid scrap is to change-speed gearing
Bearing system and gear train inside 2b4 cause abrasion, so as to improve the service life of the present apparatus；The speed change duplex star-wheel for adding
Oilhole 2b6 may be such that the bearing on speed change duplex star-wheel 2b1 is lubricated and cooled down, so as to further increasing the present apparatus
Service life；Stationarity that the quantity of speed change duplex star-wheel 2b1 can be transmitted according to the torque size of transmission, speed height and power etc.
Factor design；By adding coaxially arranged coaxial transmission axle 6 in the armature spindle 1b of hollow structure, realize differential mechanism point
The power at the output A ends of assembly 3 is exported from the rear end of motor sub-unit 1, so that the power of motor sub-unit 1 is from this assembly
Two ends coaxially export, and balance is good and is drawn without adding the power at output A end of the power transmission shaft by differential mechanism sub-unit 3 in addition；
Suit drive sleeve 6a is fixed by the rear end of coaxial transmission axle 6, so, power directly can be by drive sleeve 6a to unofficial biography
It is defeated, without adding extra power take-off mechanism；Duplex bearing mounting structure is designed to by by drive sleeve 6a, so, be may be such that
Transmission is more steady reliable；After back end cover for motor 1c is designed as into concave inward structure, drive sleeve fulcrum bearing 6b need to only choose typically
The mounting screw of length is installed, and so as to facilitate the installation of drive sleeve fulcrum bearing 6b, also ensure that drive sleeve fulcrum bearing 6b
Installation strength；The position for becoming device 4 by the correspondence rotation on electric machine casing 1a adds the sealing for becoming device holding wire for installing rotation
Sleeve pipe 7, the holding wire for being so easy to rotation to become device 4 is drawn, and the installation of other spare and accessory parts is not influenceed；The bosh 1f for adding can have
Effect ground reduces the temperature of electric machine casing 1a, so as to further increasing the stability and reliability of present apparatus operation；Add
Drain oil plug 8 can easily by the scrap discharge in converter cover 2a, it is to avoid scrap causes abrasion to bearing system and gear train,
So as to improve the service life of the present apparatus；The annular oil scupper 9 for adding make use of the layering water conservancy diversion principle in fluidics so that
Scrap is easy to precipitation to collect the collection that the permanent magnetism first 10 for adding further facilitates scrap.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of bending moment differential drive device of coaxial input and output, including motor sub-unit (1), torque-converters sub-unit (2) and
Differential mechanism sub-unit (3), the motor sub-unit (1) including electric machine casing (1a), be separately mounted to the electric machine casing (1a)
The back end cover for motor (1c) and motor front end cover (1d) at two ends and before being movably arranged on the back end cover for motor (1c) and motor
Armature spindle (1b) on end cap (1d), the armature spindle (1b) is hollow structure；The torque-converters sub-unit (2) is including torque-converters
Housing (2a), gear (2b) and the torque-converters end cap (2c) installed in the converter cover (2a) front end, the bending moment
The rear end cover (2a1) of device housing (2a) be arranged on the motor front end cover (1d) on, the front end of the armature spindle (1b) with
The input drive connection of the gear (2b), the output end of the gear (2b) is fixed on the differential mechanism point always
Into on the housing of (3), the output B ends of the differential mechanism sub-unit (3) are arranged on the torque-converters end cap (2c), the differential
The output A ends of device sub-unit (3) are coaxially arranged with the armature spindle (1b), it is characterised in that：The back end cover for motor (1c) is
Concave inward structure, the position of the correspondence concave inward structure is set with rotation change device (4) on the armature spindle (1b), and the rotation becomes device (4)
It is fixedly mounted on the back end cover for motor (1c), rotation change device is sealed and installed with the lateral surface of the back end cover for motor (1c) close
End-blocking lid (5)；The front end of the armature spindle (1b) is directly milled with armature spindle and exports end tooth (1e)；The gear (2b) includes
Speed change duplex star-wheel (2b1), speed change duplex spider gear shaft (2b2), dead axle star-wheel support (2b3) and change-speed gearing (2b4), the change
Fast gear (2b4) is internal tooth disk-shaped structure, and the disk side part of the change-speed gearing (2b4) is fixedly mounted on the differential mechanism point always
Into on the housing of (3), the rear end of the dead axle star-wheel support (2b3) is arranged on the rear end cover of the converter cover (2a)
On (2a1), described speed change duplex spider gear shaft (2b2) one end is inserted into the rear end cover (2a1) of the converter cover (2a)
On, speed change duplex spider gear shaft (2b2) other end is inserted on the front end of the dead axle star-wheel support (2b3), the differential
The output A ends of device sub-unit (3) are also inserted on the front end of the dead axle star-wheel support (2b3), the speed change duplex star-wheel
(2b1) is arranged on the speed change duplex spider gear shaft (2b2), and the armature spindle exports end tooth (1e) by the speed change duplex star
Wheel (2b1) is connected with the change-speed gearing (2b4)；The change-speed gearing (2b4) is provided with change-speed gearing and gets rid of oilhole
(2b5)。
2. a kind of bending moment differential drive device of coaxial input and output as claimed in claim 1, it is characterised in that：The speed change
Duplex star-wheel (2b1) is duplex toothing, and rear end tooth and the armature spindle of the speed change duplex star-wheel (2b1) export end tooth
(1e) is often engaged, and the front end tooth of the speed change duplex star-wheel (2b1) is often engaged with the change-speed gearing (2b4).
3. a kind of bending moment differential drive device of coaxial input and output as claimed in claim 1, it is characterised in that：The speed change
Duplex star-wheel (2b1) is provided with speed change duplex star-wheel oilhole (2b6), and the speed change duplex star-wheel (2b1) passes through speed change duplex star
Outer ring and roll assembly is arranged on the speed change duplex spider gear shaft (2b2).
4. a kind of bending moment differential drive device of coaxial input and output as claimed in claim 1, it is characterised in that：The speed change
Duplex star-wheel (2b1) is at least one.
5. a kind of bending moment differential drive device of coaxial input and output as claimed in claim 1, it is characterised in that：The rotor
Coaxially arranged coaxial transmission axle (6) is provided with axle (1b), the front end of the coaxial transmission axle (6) is fixed and is inserted into the differential
In the output A ends of device sub-unit (3), the rear end of the coaxial transmission axle (6) is run through the armature spindle (1b) and is stretched out.
6. a kind of bending moment differential drive device of coaxial input and output as claimed in claim 5, it is characterised in that：It is described coaxial
The rear end fixed cover of power transmission shaft (6) is equipped with drive sleeve (6a), and the rotation to become and be provided with transmission on the lateral surface of device end cover (5)
Set fulcrum bearing (6b), the two ends of the drive sleeve (6a) are movably arranged on described by a drive sleeve Limit Bearing (6c) respectively
In drive sleeve fulcrum bearing (6b).
7. a kind of bending moment differential drive device of coaxial input and output as claimed in claim 1, it is characterised in that：The motor
The position that the correspondence rotation becomes device (4) on housing (1a) is provided with the sealing sleeve pipe (7) for becoming device holding wire for installing rotation.
8. a kind of bending moment differential drive device of coaxial input and output as claimed in claim 1, it is characterised in that：The motor
The outer surface of housing (1a) is provided with bosh (1f).
9. a kind of bending moment differential drive device of coaxial input and output as claimed in claim 1, it is characterised in that：The bending moment
Outage is offered on the housing parts (2a2) of device housing (2a), the outage interior sealing is provided with drain oil plug (8).
10. a kind of bending moment differential drive device of coaxial input and output as claimed in claim 9, it is characterised in that：The change
The position of the correspondence outage is along the circumferential direction provided with annular row on the inner surface of the housing parts (2a2) of square device housing (2a)
Oil groove (9)；The head of the drain oil plug (8) is provided with permanent magnetism head (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611206046.4A CN106740086A (en) | 2016-12-23 | 2016-12-23 | A kind of bending moment differential drive device of coaxial input and output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611206046.4A CN106740086A (en) | 2016-12-23 | 2016-12-23 | A kind of bending moment differential drive device of coaxial input and output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106740086A true CN106740086A (en) | 2017-05-31 |
Family
ID=58920157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611206046.4A Pending CN106740086A (en) | 2016-12-23 | 2016-12-23 | A kind of bending moment differential drive device of coaxial input and output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106740086A (en) |
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| 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 |
| CN110040209A (en) * | 2019-04-30 | 2019-07-23 | 德威(苏州)新能源有限公司 | Drive assembly is set in electric bicycle power |
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| CN206273638U (en) * | 2016-12-23 | 2017-06-23 | 格源动力有限公司 | A kind of bending moment differential drive device of coaxial input and output |
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