CN207475346U - The arrangement of motor and retarder - Google Patents
The arrangement of motor and retarder Download PDFInfo
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- CN207475346U CN207475346U CN201721483033.1U CN201721483033U CN207475346U CN 207475346 U CN207475346 U CN 207475346U CN 201721483033 U CN201721483033 U CN 201721483033U CN 207475346 U CN207475346 U CN 207475346U
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- motor
- retarder
- armature spindle
- arrangement
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Abstract
The utility model provides the arrangement of a kind of motor and retarder, including motor and retarder, the motor includes stator, rotor, armature spindle, drive end bearing bracket and rear end cap, the retarder includes deceleration mechanism and reduction case, the reduction case is connected to and in communication with drive end bearing bracket, the armature spindle is stretched into reduction-gear housing body, simultaneously as motor output shaft and reducer input shaft, the armature spindle both ends are respectively supported on rear end cap and reduction case, reducer power input gear is installed on the armature spindle, the reducer power input gear is located in reduction-gear housing body.Change the spline connection structure of conventional motors armature spindle and reducer input shaft, effectively avoid spline pair in power train process, caused spline wear, off-axis phenomenon；Reduce the power that spline pair loses in transmission process, improve whole transmission efficiency and precision；Reduce spline pair caused noise in transmission process.
Description
Technical field
The utility model belongs to the arrangement of automobile technical field, more particularly to a kind of motor and retarder.
Background technology
In recent years, under ecological environmental pollution and the social background of fossil fuel energy crisis, the new energy of electric drive form
Source automobile comes into being.Electric vehicle of the prior art is coordinated using asynchronous machine or synchronous motor with retarder, to replace
Engine and gearbox in orthodox car form the dynamical system of pure electric automobile.
And the prior art, asynchronous machine or synchronous motor are connect with retarder by the cooperation of spline pair to realize, in this way
Structure driven system it is excessively tediously long, assembling is complicated, cost is higher, and under long-time entrucking road test, it may appear that spline is ground
Damage, off-axis phenomenon, so as to which automobile be made to run out of steam.
For unfavorable factors such as driving device volume is big, assembling complexity, spline wears, disclose in the prior art it is a kind of newly
The automobile-used Allinone Driving System of the energy carries out location and installation using 3 bearings to armature spindle, and this mounting means belonged to fixed
Position, is easily damaged bearing, causes abnormal sound and clamping stagnation；The armature spindle of the structure is equipped with oil sealing, for blocking gear reducer lube
Into in motor, since armature spindle is in high speed rotation operating mode for a long time, it may appear that oil sealing wear phenomenon causes retarder to leak
Oil makes gear in retarder and bearing lubrication bad, reduces the service life.
Therefore, in the new-energy automobile field of rapid development, electric vehicle can normally be travelled as this field skill
The technical issues of art personnel are urgently to be resolved hurrily.
Utility model content
In view of the above deficiencies of the prior art, the purpose of this utility model is to provide a kind of motor and retarders
The problems such as arrangement, solution spline wear, off-axis.
In order to achieve the above objects and other related objects, technical solutions of the utility model are as follows：
The arrangement of a kind of motor and retarder, including motor and retarder, the motor includes stator, rotor, turns
Sub- axis, drive end bearing bracket and rear end cap, the retarder include deceleration mechanism and reduction case, the reduction case and drive end bearing bracket
It is connected to and in communication with, the armature spindle is stretched into reduction-gear housing body, while is used as motor output shaft and reducer input shaft, the rotor
Axis both ends are respectively supported on rear end cap and reduction case, and reducer power input gear is equipped on the armature spindle, should
Reducer power input gear is located in reduction-gear housing body.
Using the above structure, change the spline connection structure of conventional motors armature spindle and reducer input shaft, effectively keep away
Spline pair is exempted from power train process, caused spline wear, off-axis phenomenon；Reduce spline pair to lose in transmission process
Power, improve whole transmission efficiency and precision；Reduce spline pair caused noise in transmission process；Deceleration mechanism
Input shaft and the output shaft of driving motor share armature spindle, reduce parts, reduce rigging error and original accordingly
Material cost and part processing charges.
Further, the reduction case includes the preceding babinet and rear box that are connected, before the rear box and motor
End cap is connected, and the armature spindle front end is mounted on preceding babinet, and rear end is mounted on rear end cap.
Further, the reduction case includes the preceding babinet and rear box that are connected, before the rear box and motor
End cap is an integral structure, and shares same housing；The armature spindle front end is mounted on preceding babinet, and rear end is mounted on rear end cap
On.
Further, the armature spindle both ends are additionally provided with the first step of assembling bearing, after the armature spindle both ends pressing bearing
It is assemblied in babinet before back end cover for motor and retarder.
Relative to existing structure, the armature spindle is by the bearings of front and back end two, the problem of avoiding positioning, and
It is easy for installation.
Further, it is not provided with oil sealing on the armature spindle so that also enter machine oil in motor, motor realizes oil cooling.
Further, it is correspondingly arranged on babinet before the back end cover for motor and retarder and is useful for the bulge loop that installation axle is held.
Further, jackshaft is installed in the reduction-gear housing body, is provided with to move with retarder on the jackshaft
The transmission gear of power input gear engagement.
Further, the second step of press fitting rotor is additionally provided on the armature spindle, is assemblied in after armature spindle press fitting rotor
In motor, coordinate with stator.
Further, the armature spindle is equipped with magnet steel, is correspondingly arranged on encoder on the rear end cap, passes through encoder sense
Answer measurement motor rotating speed.
Further, the rotor shaft rear end is provided with the endoporus covered for mounting magnetic steel, and the magnet steel passes through magnet steel casing pressure
In the endoporus.
Further, the reducer power input gear is helical gear.
As described above, the beneficial effects of the utility model are：Change the flower of conventional motors armature spindle and reducer input shaft
Structure is keyed, effectively avoids spline pair in power train process, caused spline wear, off-axis phenomenon；In motor
Oil inlet shares machine oil of the same race with retarder, and oil leak of reducer caused by avoiding oil sealing damage leads to gear and bearing lubrication not
Good phenomenon, while after entering machine oil in motor, the air gap that is filled between rotor and stator, the heat for enabling rotor are better
It conducts in air, cooling effect of motor is more good；Reduce the power that spline pair loses in transmission process, improve entirety
Transmission efficiency and precision；Reduce spline pair caused noise in transmission process；The input shaft of deceleration mechanism and driving electricity
The output shaft of machine shares armature spindle, reduces parts, reduces rigging error and the cost of raw material accordingly and part adds
Expenses of labour is used.
Description of the drawings
Fig. 1 is the structure diagram of the prior art；
Fig. 2 is the structure diagram of the utility model embodiment；
Fig. 3 is magnet steel, the enlarged view of magnetic steel sleeve installation site.
Piece mark explanation
In Fig. 1：
01- stators；02- rotors；03- rear end caps；04- drive end bearing brackets；05- armature spindles；06- bearings；07- rear box；
Babinet before 08-；09- input shafts；010- bearings.
In Fig. 2：
Babinet before 1-；2- bearings；3- reducer power input gears；4- armature spindles；5- rotors；6- stators；7- rear end caps；
8- magnetic steel sleeves；9- encoders；10- magnet steel；11- transmission gears；12- rear box；13- drive end bearing brackets.
Specific embodiment
Illustrate the embodiment of the utility model by particular specific embodiment below, those skilled in the art can be by this
Content disclosed by specification understands other advantages and effect of the utility model easily.
Embodiment
Fig. 1 show the structure diagram of the prior art, wherein, driving mechanism has drive end bearing bracket 04 and rear end cap 03, fixed
Son 01 is mounted on drive end bearing bracket 04 and rear end cap 03, and rotor 02 is located in stator 01, and 02 axis both ends of rotor are installed by bearing 06
In on drive end bearing bracket 04 and rear end cap 03,05 output terminal of armature spindle is provided with spline, corresponding retarder is by preceding babinet 08, rear cabinet
Body 07 and transmission parts composition, wherein reducer input shaft is the input shaft 09 with internal spline, and input shaft 09 passes through two
Bearing 010 is mounted on preceding babinet 08 and rear box 07, which coordinates with 05 output terminal of armature spindle, is formed spline pair and is connected
It connects, reduction gearing or driving cog is set on spline housing.Due to driving mechanism and retarder, respectively there are two end cap or babinets, move
Power passes through input shaft 09 and splined shaft (armature spindle 05) is completed, and parts are more, and transmission system is excessively tediously long, assembling is multiple
It is miscellaneous, cost is higher, and volume is larger, takes up space larger, be unfavorable for automotive smallization and assembling densification.
In addition, the structure is after a certain period of vehicle operation, it may appear that spline pair wears or even has off-axis phenomenon, so as to
The power transmission between motor and retarder is made to fail, vehicle runs out of steam, it is impossible to exercise.
In view of disadvantages described above, the utility model provides the arrangement of a kind of motor and retarder, and rotor axis of electric is same
Shi Zuowei motor output shafts and reducer input shaft remove traditional spline connection, existing so as to solve spline wear, off-axis
As.
As shown in Fig. 2, the arrangement of the motor and retarder, including motor and retarder, motor includes stator 6, turns
Son, armature spindle 4, drive end bearing bracket 13 and rear end cap 7, the second step of press fitting rotor 5 is additionally provided on armature spindle 4, which is pressed
It is assemblied in motor after rotor 5, coordinates with stator 6.Retarder includes deceleration mechanism and reduction case, and reduction case is with before
End cap 13 is connected to and in communication with, and armature spindle 4 is stretched into reduction-gear housing body, while is used as motor output shaft and reducer input shaft, should
4 both ends of armature spindle are respectively supported on rear end cap 7 and reduction case, and reducer power input is equipped on the armature spindle 4
Gear 3, the reducer power input gear 3 are located in reduction-gear housing body.
Change the spline connection structure of conventional motors armature spindle 4 and reducer input shaft, effectively avoid spline pair and exist
In power train process, caused spline wear, off-axis phenomenon；Reduce the power that spline pair loses in transmission process, improve
Whole transmission efficiency and precision；Reduce spline pair caused noise in transmission process；The input shaft of deceleration mechanism and
The output shaft of driving motor shares armature spindle 4, reduces parts, reduce accordingly rigging error and the cost of raw material and
Part processing charges.
In this example, reduction case includes the preceding babinet 1 being connected and rear box 12, the drive end bearing bracket of rear box 12 and motor
13 are connected, and 4 both ends of armature spindle are additionally provided with the first step of assembling bearing 2, and electricity is assemblied in after the 4 both ends pressing bearing 2 of armature spindle
Babinet 1 before machine rear end cap 7 and retarder.
There is positioning in the technical solution for supporting armature spindle 4 using three bearings 2 in the prior art, be easily damaged
Bearing 2 causes abnormal sound can clamping stagnation.In this example, armature spindle 4 is supported by the bearing 2 of front and back end two, avoids asking for positioning
Topic, and it is easy for installation.
In another embodiment, the drive end bearing bracket 13 of rear box 12 and motor can be an integral structure, and share same shell
Body；4 front end of armature spindle is mounted on preceding babinet 1, and rear end is mounted on rear end cap 7.
In this example, connected between reduction case and motor front end cover 13, needed in traditional structure armature spindle 4 with
Oil sealing is set between drive end bearing bracket 13, oil is avoided to enter motor；And setting oil sealing is not needed in the application, machine is also entered in motor
Oil, machine oil are filled between stator and the air gap of rotor after entering motor, are distributed conducive to the heat of rotor, imitate the cooling of motor
Fruit is more good, and by experiment, the machine oil used disclosure satisfy that the requirements such as the insulating of motor, pressure resistance.
Preferably, be correspondingly arranged on 1 inner wall of babinet before back end cover for motor 7 and retarder be useful for installation axle hold 2 it is convex
Ring.
Jackshaft in the reduction-gear housing body is installed, is provided with to input tooth with reducer power on the jackshaft
The transmission gear 11 of 3 engagement of wheel realizes the transmission of power, and wherein reducer power input gear 3 is helical gear.
As shown in figure 3, preferably, armature spindle 4 is equipped with magnet steel 10, encoder 9 is correspondingly arranged on rear end cap 7, is led to
The cooperation of encoder 9 and magnet steel 10 is crossed, inductively measures motor speed.
Specifically, 4 rear end of armature spindle is provided with for the endoporus of mounting magnetic steel set 8, and magnetic steel sleeve 8 is fitted in the endoporus
Interior, magnet steel 10 is mounted in magnetic steel sleeve 8.
The utility model eliminates the connection transmission of spline pair, so as to solve the spline pair mill of prior art construction appearance
Damage, off-axis phenomenon, and avoid spline pair caused noise in transmission；Further it is combined into together by armature spindle 4 and input shaft
One axis, reduces parts, reduces material cost and part processing charges accordingly, while reduce assembly relation, improves
Transmission efficiency and precision.The input shaft of deceleration mechanism and the armature spindle 4 of driving motor share same axis, reduce armature spindle 4 with it is defeated
Enter the length after axis assembling；Reduce two spring bearings 2 simultaneously；It is adopted relative to traditional armature spindle 4 and the assembling of input shaft
It is connected with spline pair, this programme reduces the making of spline pair, and cost reduces accordingly, reduces assembly relation, improves transmission
Efficiency and precision.
Any person skilled in the art all can be under the spirit and scope without prejudice to the utility model, to above-described embodiment
Carry out modifications and changes.Therefore, such as those of ordinary skill in the art without departing from disclosed in the utility model
Spirit and all equivalent modifications for being completed under technological thought or change, should be contained by the claim of the utility model
Lid.
Claims (10)
1. the arrangement of a kind of motor and retarder, including motor and retarder, the motor includes stator, rotor, rotor
Axis, drive end bearing bracket and rear end cap, the retarder include deceleration mechanism and reduction case, and the reduction case connects with drive end bearing bracket
It connects and connects, it is characterised in that：The armature spindle is stretched into reduction-gear housing body, while is inputted as motor output shaft and retarder
Axis, the armature spindle both ends are respectively supported on rear end cap and reduction case, and it is defeated to be equipped with reducer power on the armature spindle
Enter gear, which is located in reduction-gear housing body.
2. the arrangement of motor according to claim 1 and retarder, it is characterised in that：The reduction case includes
The preceding babinet and rear box being connected, the rear box are connected with the drive end bearing bracket of motor, and the armature spindle front end is mounted on preceding case
On body, rear end is mounted on rear end cap.
3. the arrangement of motor according to claim 1 and retarder, it is characterised in that：The reduction case includes
The drive end bearing bracket of the preceding babinet and rear box being connected, the rear box and motor is an integral structure, and shares same housing；It is described
Armature spindle front end is mounted on preceding babinet, and rear end is mounted on rear end cap.
4. the arrangement of the motor and retarder according to Claims 2 or 3, it is characterised in that：The armature spindle both ends
The first step of assembling bearing is additionally provided with, case before back end cover for motor and retarder is assemblied in after the armature spindle both ends pressing bearing
Body.
5. the arrangement of motor according to claim 4 and retarder, it is characterised in that：The back end cover for motor and subtract
It is correspondingly arranged on babinet before fast device and is useful for the bulge loop that installation axle is held.
6. the arrangement of motor according to claim 4 and retarder, it is characterised in that：Pacify in the reduction-gear housing body
Equipped with jackshaft, the transmission gear for being engaged with reducer power input gear is provided on the jackshaft.
7. the arrangement of motor according to claim 1 and retarder, it is characterised in that：It is additionally provided on the armature spindle
It is pressed the second step of rotor, is assemblied in motor after armature spindle press fitting rotor, coordinates with stator.
8. the arrangement of motor according to claim 1 and retarder, it is characterised in that：The armature spindle is equipped with magnetic
Steel is correspondingly arranged on encoder on the rear end cap, motor speed is inductively measured by encoder.
9. the arrangement of motor according to claim 8 and retarder, it is characterised in that：The rotor shaft rear end setting
The endoporus of mounting magnetic steel set is useful for, the magnet steel is fitted in by magnetic steel sleeve in the endoporus.
10. the arrangement of motor according to claim 1 and retarder, it is characterised in that：The reducer power is defeated
Enter gear for helical gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483033.1U CN207475346U (en) | 2017-11-08 | 2017-11-08 | The arrangement of motor and retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721483033.1U CN207475346U (en) | 2017-11-08 | 2017-11-08 | The arrangement of motor and retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207475346U true CN207475346U (en) | 2018-06-08 |
Family
ID=62263681
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721483033.1U Active CN207475346U (en) | 2017-11-08 | 2017-11-08 | The arrangement of motor and retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207475346U (en) |
-
2017
- 2017-11-08 CN CN201721483033.1U patent/CN207475346U/en active Active
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