CN109435660A - A kind of electricity drive axle assembly - Google Patents
A kind of electricity drive axle assembly Download PDFInfo
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- CN109435660A CN109435660A CN201811466952.7A CN201811466952A CN109435660A CN 109435660 A CN109435660 A CN 109435660A CN 201811466952 A CN201811466952 A CN 201811466952A CN 109435660 A CN109435660 A CN 109435660A
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- 230000005611 electricity Effects 0.000 title claims abstract description 64
- 230000007246 mechanism Effects 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 238000007789 sealing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Classifications
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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
-
- 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
-
- 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
- B60K17/165—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Motor Power Transmission Devices (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of electricity to drive axle assembly comprising the shell for enclosing accommodating chamber, motor, differential mechanism and retarder in accommodating chamber are connected to left half axle, the right axle shaft of differential mechanism left and right sides；The axis of the armature spindle of motor, the axis of the left half axle gear of differential mechanism and the axis of right axle shaft gear, the axis of left half axle, right axle shaft axis be overlapped；Retarder includes gear shaft, set on gear shaft and the gear wheel that is connected with the armature spindle of motor and set on gear shaft and the pinion gear that is connected with the shell of differential mechanism, and the axis of gear shaft and the axis of right axle shaft are parallel.The electricity, which drives axle assembly, has lesser radial dimension, is convenient for arrangement, and manufacturing cost is low, transmission efficiency is high, and has preferable NVH performance.
Description
Technical field
The present invention relates to electric vehicle technical fields, drive axle assembly more particularly to a kind of electricity.
Background technique
Electric vehicle drives axle assembly using electricity, and electricity drives axle assembly and generally comprises motor, differential mechanism, left half axle, right axle shaft, subtracts
The components such as fast device.The structure and transmission performance of electricity drive axle assembly directly affect the arrangement and vehicle performance of electric vehicle.
Currently, common electricity drives axle assembly on electric vehicle, the armature spindle of motor is inclined with respect to left half axle and right axle shaft
Set arrangement, that is to say, that armature spindle and left half axle and right axle shaft be not it is coaxially arranged, this can make electricity drive the radial direction of axle assembly
Size is larger, influences the arrangement of electric vehicle, but also electricity can be made to drive axle assembly and occurred in electric vehicle operational process
Low-frequency jitter influences the NVH performance of electric vehicle.
In the prior art, it develops coaxial-type electricity and drives axle assembly.This coaxial-type electricity drives axle assembly, the rotor of motor
Axis, the side gear shaft of differential mechanism, the planetary gear shaft of retarder, left half axle, right axle shaft are coaxial arrangements.It is this coaxial
Formula electricity drive axle assembly overall radial dimension is small, has evaded the drawbacks of being not easy to arrangement.
But Fig. 1 and Fig. 2 are please referred to, Fig. 1 is the main view signal for the retarder parts structure that coaxial-type electricity drives axle assembly
Figure；Fig. 2 is the left view schematic diagram of Fig. 1.Coaxial-type electricity drives the retarder of axle assembly configured with planetary gear 01, sun gear 02, outer
The components such as gear ring 03 and planet carrier 04, bearing, structure is complex and manufacturing cost is high, weight is big, transmission efficiency is low and NVH
Performance is unable to reach design requirement.
In view of this, how to develop a kind of electricity drive axle assembly, makes it have lesser radial dimension and overall structure is simple,
Manufacturing cost is low, transmission efficiency is high, NVH performance is good, is those skilled in the art's technical issues that need to address.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of electricity drive axle assembly, it includes enclosing that the electricity, which drives axle assembly,
The shell of accommodating chamber, motor, differential mechanism and retarder in the accommodating chamber, is connected to a left side for the differential mechanism left and right sides
Semiaxis, right axle shaft；The axis of the armature spindle of the motor, the differential mechanism left half axle gear axis and right axle shaft gear
Axis, the axis of the left half axle, the right axle shaft axis be overlapped；The retarder includes gear shaft, is set to the tooth
Wheel shaft and the gear wheel being connected with the rotor of the motor and it is connected set on the gear shaft and with the shell of the differential mechanism
Pinion gear, the axis of the gear shaft is parallel with the axis of the right axle shaft.
Optionally, one end of the rotor of the motor is provided with first gear, the first gear and the gear wheel phase
Mutually engagement.
Optionally, the periphery of the shell of the differential mechanism forms collar flange, and the collar flange has been bolted second
Gear, the second gear and the pinion gear are intermeshed.
Optionally, the motor is arranged in the left side of the retarder, and the armature spindle of the motor is set as hollow shaft, institute
The left end for stating left half axle passes through the armature spindle and is connect with the left half axle gear of the differential mechanism by spline, the right axle shaft
Right end is connect with the right axle shaft gear of the differential mechanism by spline.
Optionally, the right end of the left half axle is provided with the first circumferential groove in its end portion, and is provided in first circumferential groove in its end portion
One retaining ring, the left end of first retaining ring and the shell of the differential mechanism are inconsistent, are moved to the left for limiting the left half axle；
The left end of the right axle shaft is provided with the second circumferential groove in its end portion, is provided with the second retaining ring in second circumferential groove in its end portion, and described second
The right end of retaining ring and the shell of the differential mechanism are inconsistent, move right for limiting the right axle shaft.
Optionally, bearing cap is provided in the accommodating chamber, the bearing cap is bolted to the shell；It is described
The shell both ends of differential mechanism are respectively arranged with first bearing and second bearing, and the first axle bearing bore for installing the first bearing is formed
In the bearing cap and the shell, the second bearing hole for installing the second bearing is formed in the shell.
Optionally, it is provided with adjusting nut on the right side of the left side of the first bearing or the second bearing, for adjusting
The pretightning force of the first bearing and the second bearing.
Optionally, the electricity drives axle assembly and is set as Integral electric drive axle assembly；The length of the left half axle is arranged are as follows: left
The accommodating chamber and the left end far from the shell are stretched out in end；The length of the right axle shaft is arranged are as follows: right end stretches out the receiving
The right end of chamber and the separate shell；Left casing, the right end of the left casing and a left side for the shell are cased with outside the left half axle
End is provided with flange, and two flanges are bolted；Right casing, the left end of the right casing and institute are cased with outside the right axle shaft
The right end for stating shell is provided with flange, and two flanges are bolted.
Optionally, the electricity drives axle assembly and is set as independent type electric drive axle assembly；The length of the left half axle is arranged are as follows: left
The accommodating chamber and the left end close to the shell are stretched out in end；The length of the right axle shaft is arranged are as follows: right end stretches out the receiving
The right end of chamber and the close shell.
Optionally, it further includes set on the left wheel hub interconnecting piece of the left half axle left end and set on described that the electricity, which drives axle assembly,
The right wheel hub interconnecting piece of right axle shaft right end.
Electricity provided by the invention drives axle assembly, has the following technical effect that
A, the axis of armature spindle, the axis of left half axle gear, the axis of right axle shaft gear, the axis of left half axle, right axle shaft
Axis overlapping, make electricity drive axle assembly have lesser radial dimension, be convenient for arrangement.
B, reducer structure is simple, reduces electricity and drives the manufacturing cost of axle assembly, improves the transmission effect that electricity drives axle assembly
Rate.
C, it supports the bearing hole of the rotor of motor and the bearing hole of the shell of differential mechanism is supported to be both formed in shell, that is,
It says, these bearing holes and shell are integrally formed when processing, to keep the dimensional accuracy of bearing hole higher, have evaded bearing pore size
In operational process caused by precision is not high the problem of motor, differential mechanism vibration, the NVH performance that electricity drives axle assembly is improved.
Detailed description of the invention
Fig. 1 is the schematic front view for the retarder parts structure that coaxial-type electricity drives axle assembly；
Fig. 2 is the left view schematic diagram of Fig. 1.
Wherein, the reference numerals are as follows into Fig. 2 by Fig. 1:
01 planetary gear, 02 sun gear, 03 outer gear ring, 04 planet carrier
Fig. 3 is the schematic diagram for the middle section that electricity provided by the invention drives axle assembly；
Fig. 4 is the overall schematic that electricity provided by the invention drives the first specific embodiment of axle assembly；
Fig. 5 is the overall schematic that electricity provided by the invention drives the second specific embodiment of axle assembly.
Wherein, the reference numerals are as follows into Fig. 5 by Fig. 3:
11 left housings, 12 middle cases, 13 right shells；
2 motors, 21 rotors, 22 armature spindles, 23 3rd bearings, 24 fourth bearings, the left oil sealing of 25 motors, the right oil of 26 motors
Envelope；
3 differential mechanisms, 31 left half axle gears, 32 right axle shaft gears, 33 planetary gear shafts, 34 first planetary gears, 35 second
Planetary gear, 36 first bearings, 37 second bearings, 38 adjusting nuts, 39 bearing caps；
4 left half axles, 41 first retaining rings, 42 left wheel hub interconnecting pieces, 43 left casings；
5 right axle shafts, 51 second retaining rings, 52 right wheel hub interconnecting pieces, 53 right casings；
6 retarders, 61 gear shafts, 62 gear wheels, 63 pinion gears；
7 first gears；8 second gears.
Specific embodiment
In order that those skilled in the art will better understand the technical solution of the present invention, with reference to the accompanying drawing and it is specific real
Applying mode, the present invention is described in further detail.
Referring to FIG. 3, Fig. 3 is the schematic diagram for the middle section that electricity provided by the invention drives axle assembly.As shown in figure 3, this
It includes the components such as motor 2, differential mechanism 3, left half axle 4, right axle shaft 5, retarder 6, shell that the electricity that invention provides, which drives axle assembly,.
Specifically, shell encloses accommodating chamber, the components such as motor 2, differential mechanism 3 and retarder 6 are respectively positioned in the accommodating chamber,
The right part of left half axle 4 and the left part of right axle shaft 5 also are located in the accommodating chamber.In a particular embodiment, shell is by a left side
Shell 11, middle case 12 and right shell 13 form, and left housing 11, middle case 12 and right shell 13 are sequentially connected by bolt.
Specifically, motor 2 is arranged in the left side of differential mechanism 3.Also, motor 2 include armature spindle 22 and with armature spindle 22 1
The rotor 21 of body setting.
Wherein, armature spindle 22 is set as hollow shaft, and the arrangement for being both convenient for left half axle 4 is arranged such, is also convenient for mitigating electric drive
The weight of dynamic axle assembly.
Wherein, the left end of armature spindle 22 is provided with 3rd bearing 23 and installs the 3rd bearing hole of 3rd bearing 23, right end
It is provided with fourth bearing 24 and installs the bearing hole of fourth bearing 24.3rd bearing hole and fourth bearing hole are both formed in shell,
Namely it is integrally formed with shell.So set, the bearing block is connected again compared to the bearing block for opening up bearing hole is separately provided
It is connected to for shell, the simplification for structure of being more convenient for, and is more conducive to guarantee the machining accuracy of bearing hole.
Also, 3rd bearing 23 and fourth bearing 24 are nearby respectively arranged with the left oil sealing 25 of motor, the right oil sealing 26 of motor.?
In specific embodiment, the left oil sealing 25 of motor is located at the left side of 3rd bearing 23, and the right oil sealing 26 of motor is located at a left side for fourth bearing 24
Side.
Specifically, differential mechanism 3 includes shell and is set to the intracorporal left half axle gear 31 of the shell, right axle shaft gear 32, goes
Star gear shaft 33 is sheathed on the first planetary gear that planetary gear shaft 33 is engaged with left half axle gear 31 and right axle shaft gear 32
34, it is sheathed on the second planetary gear 35 that planetary gear shaft 33 is engaged with left half axle gear 31 and right axle shaft gear 32.
Wherein, the axis of left half axle gear 31,32 axis of right axle shaft gear are Chong Die with the axis of above-mentioned armature spindle 22.And
And left half axle gear 31 and right axle shaft gear 32 are each formed with splined hole.
Wherein, the left end of shell is provided with first bearing 36 and installs the first axle bearing bore of first bearing 36, the right side of shell
End is provided with second bearing 37 and installs the second bearing hole of second bearing 37.Bearing cap 39 is provided in accommodating chamber, the bearing
Lid 39 is bolted with shell, and first axle bearing bore is formed in the bearing cap 39 and shell, and second bearing hole is formed in shell.
So set, when processing first axle bearing bore and second bearing hole, it is only necessary to clamped one time operation is carried out, so as to so that two bearings
Hole has higher dimensional accuracy, evades two bearings hole concentricity and has deviation or internal diameter not to be adapted to corresponding bearing outside diameter and makes
At differential mechanism 3 vibrate the problem of, thus make electricity drive axle assembly have preferable NVH performance.
Also, first bearing 36 and second bearing 37 are tapered roller bearing, and the left side of first bearing 36 or second
The right side (being the left side of first bearing 36 in specific embodiment) of bearing 37 is provided with adjusting nut 38, for adjusting first bearing
36 and second bearing 37 pretightning force.First bearing 36 and second bearing 37 are pre-tightened using adjusting nut 38, compared to benefit
For adjustment gasket adjustment pretightning force, axial stepless feeding can be realized, without repeated measurement spacer thickness, so as to
Electricity is saved to drive the manufacturing time of bridge, reduce the manufacturing cost that electricity drives bridge.
It should be noted that first bearing 36 and second bearing 37 are not limited to tapered roller bearing, such as can also be with
For without the ball bearing for adjusting pretightning force, still, the cost of ball bearing is higher than the cost of tapered roller bearing.
Specifically, the right end of left half axle 4 is provided with spline, and the end is protruded into the splined hole of left half axle gear 31, with a left side
Axle shaft gear 31 is connected by spline.An also, left side for the shell of the spline left-hand portion (in figure at b) of left half axle 4 and differential mechanism 3
End small―gap suture is slidably matched, to guarantee 4 stability of rotation of left half axle.Also, the axis of the axis of left half axle 4 and left half axle gear 31
Overlapping.
Similarly, the left end of right axle shaft 5 is provided with spline, and the end is protruded into the splined hole of right axle shaft gear 32, with the right side
Axle shaft gear 32 is connected by spline.Also, the right side of the shell of the spline right side position (in figure at c) of right axle shaft 5 and differential mechanism 3
End small―gap suture is slidably matched, to guarantee 5 stability of rotation of right axle shaft.Also, the axis of the axis of right axle shaft 5 and right axle shaft gear 32
Overlapping.
Also, the right end of left half axle 4 is provided with the first circumferential groove in its end portion, is provided with the first retaining ring in first circumferential groove in its end portion
41, the left side of the first retaining ring 41 and the shell of differential mechanism 3 are inconsistent, are moved to the left with limiting left half axle 4, thus prevent left half
Axis 4 is deviate from from the splined hole of left half axle gear 31.Similarly, the left end of right axle shaft 5 is provided with the second circumferential groove in its end portion, second week
The second retaining ring 51 is provided with into annular groove, the right side of the second retaining ring 51 and the shell of differential mechanism 3 are inconsistent, to limit right axle shaft
5 move right, and thus prevent right axle shaft 5 from deviating from from the splined hole of right axle shaft gear 32.
Specifically, retarder 6 includes gear shaft 61 and gear wheel 62 and pinion gear 63 set on gear shaft 61.
Wherein, gear wheel 62 is connected with the armature spindle 22 of motor 2, specifically, the right end of armature spindle 22 is in fourth bearing 24
Right side position outside be cased with first gear 7, gear wheel 62 is engaged with the first gear 7.
Wherein, pinion gear 63 is connected with the shell of differential mechanism 3, specifically, the periphery of the shell of differential mechanism 3 formed it is cyclic annular convex
Second gear 8 has been bolted in edge, collar flange, and pinion gear 63 is engaged with the second gear 8.
Wherein, the axis of gear shaft 61 is parallel to the axis of right axle shaft 5, it should be understood that two axial lines described in context are mutual
In parallel, refer to that two axial lines are spaced apart from each other and in parallel, and do not include the situation of two axial lines overlapping.
Fig. 4-Fig. 5 is please referred to, Fig. 4 is the overall schematic that electricity provided by the invention drives the first specific embodiment of axle assembly；
Fig. 5 is the overall schematic that electricity provided by the invention drives the second specific embodiment of axle assembly.
As illustrated in figures 4-5, electricity is driven axle assembly in addition to including above-mentioned component, further includes the revolver for being connected to 4 left end of left half axle
Hub interconnecting piece 42 and setting 5 right end right wheel hub interconnecting piece 52 of right axle shaft.
It is that Integral electric drives axle assembly that the electricity of first specific embodiment, which drives axle assembly,.As shown in figure 4, the length of left half axle 4
Setting are as follows: accommodating chamber and the left end far from shell are stretched out in left end；The length of right axle shaft 5 is arranged are as follows: right end stretches out the accommodating chamber
And the right end far from the shell.
Also, left casing 43 is cased with outside left half axle 4, the right end of left casing 43 and the left end of shell are provided with flange, and two
Flange, one are provided with through-hole, and another one is arranged threaded hole, is docking together by bolt.Right casing is cased with outside right axle shaft 5
53, the left end of right casing 53 and the right end of shell are provided with flange, two flanges, and one is provided with through-hole, and spiral shell is arranged in another one
Pit is docking together by bolt.
The electricity of second specific embodiment drives axle assembly and is set as independent type electric drive axle assembly.As shown in figure 5, left half axle 4
Length setting are as follows: accommodating chamber and the left end close to shell are stretched out in left end；The length of right axle shaft 5 is arranged are as follows: right end stretches out accommodating chamber
And close to the right end of shell.
Independent type electric drives axle assembly and the setting of the middle section of Integral electric drive axle assembly is almost the same, and independent type electric drives
The left half axle 4 of dynamic axle assembly and the length of right axle shaft 5 are shorter, and left casing 43 and right casing 53 is no longer arranged.
The transmission process that above-mentioned electricity drives axle assembly is specifically described below:
The rotor 21 and armature spindle 22 of motor 2 rotate, and drive gear wheel 62 to rotate by first gear 7, pass through gear shaft
61 drive pinion gears 63 to rotate, and the housing into rotation of differential mechanism 3 is driven by second gear 8, drive the by planetary gear shaft 33
One planetary gear 34 and the second planetary gear 35 revolve around axis a, drive the rotation of left half axle gear 31,32 turns of right axle shaft gear
It is dynamic, drive revolver, right wheel to rotate by left half axle 4, right axle shaft 5.
When straight line when driving, first planetary gear 34 and the second planetary gear 35 only revolve around axis a, make revolver and
The revolving speed of right wheel is the same.
When the vehicle is turning, first planetary gear 34 and the second planetary gear 35 also detour while around axis a revolution
33 rotation of star gear shaft keeps revolver different with the revolving speed of right wheel, guarantees that vehicle is smoothly turned.
In summary, above-mentioned electricity drives axle assembly and has the following technical effect that
The axis of armature spindle 22, the axis of left half axle gear 31, the axis of right axle shaft gear 32, the axis of left half axle 4, the right side
The axis of semiaxis 5 is overlapping, so set, the radial dimension that electricity drives axle assembly can be greatly reduced, is convenient for arrangement.
The structure of retarder 6 many simple compared to the structure for the retarder 6 that coaxial-type electricity in background technique drives axle assembly,
Electricity can be thus reduced to drive the manufacturing cost of axle assembly, improve the transmission efficiency that electricity drives axle assembly.
It is used to support the bearing hole (above-mentioned 3rd bearing hole, fourth bearing hole) of the armature spindle 22 of motor 2 and is used to support
The bearing hole (above-mentioned first axle bearing bore, second bearing hole) of the shell of differential mechanism 3 is both formed in shell, makes the size essence of bearing hole
Spend it is higher, evaded bearing hole dimensional accuracy it is not high caused by the problem of motor 2, differential mechanism 3 vibrate in operational process, improve
Electricity drives the NVH performance of axle assembly.
Electric drive axle assembly provided by the present invention is described in detail above.Specific case pair used herein
The principle of the present invention and embodiment are expounded, method of the invention that the above embodiments are only used to help understand
And its core concept.It should be pointed out that for those skilled in the art, before not departing from the principle of the invention
It puts, can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the guarantor of the claims in the present invention
It protects in range.
Claims (10)
1. a kind of electricity drives axle assembly, which is characterized in that it includes the shell for enclosing accommodating chamber that the electricity, which drives axle assembly, is located at described
Motor (2), differential mechanism (3) and retarder (6) in accommodating chamber, be connected to the differential mechanism (3) left and right sides left half axle (4),
Right axle shaft (5)；The axis of the armature spindle (22) of the motor (2), the left half axle gear (31) of the differential mechanism (3) axis and
The axis of right axle shaft gear (32), the axis of the left half axle (4), the right axle shaft (5) axis be overlapped；The retarder
(6) include gear shaft (61), be set to the gear shaft (61) and the gear wheel that is connected with the armature spindle (22) of the motor (2)
(62) gear shaft (61) and the pinion gear (63) that is connected with the shell of the differential mechanism (3), the gear shaft are set to and
(61) axis is parallel with the axis of the right axle shaft (5).
2. electricity according to claim 1 drives axle assembly, which is characterized in that one end of the armature spindle (22) of the motor (2)
It is provided with first gear (7), the first gear (7) and the gear wheel (62) are intermeshed.
3. electricity according to claim 1 drives axle assembly, which is characterized in that the periphery of the shell of the differential mechanism (3) is formed
Collar flange, the collar flange have been bolted second gear (8), the second gear (8) and the pinion gear (63) phase
Mutually engagement.
4. electricity according to claim 1 drives axle assembly, which is characterized in that the motor (2) is arranged in the retarder (6)
Left side, the armature spindle (22) of the motor (2) is set as hollow shaft, and the left end of the left half axle (4) passes through the armature spindle
(22) it is connect with the left half axle gear (31) of the differential mechanism (3) by spline, the right end and the differential of the right axle shaft (5)
The right axle shaft gear (32) of device (3) is connected by spline.
5. half coaxial-type electricity according to claim 4 drives axle assembly, which is characterized in that the right end of the left half axle (4) is set
It is equipped with the first circumferential groove in its end portion, is provided in first circumferential groove in its end portion the first retaining ring (41), the left end of first retaining ring (41)
It is inconsistent with the shell of the differential mechanism (3), it is moved to the left for limiting the left half axle (4)；The left end of the right axle shaft (5)
It is provided with the second circumferential groove in its end portion, is provided in second circumferential groove in its end portion the second retaining ring (51), the right side of second retaining ring (51)
End is inconsistent with the shell of the differential mechanism (3), moves right for limiting the right axle shaft (5).
6. half coaxial-type electricity according to claim 1 drives axle assembly, which is characterized in that be provided with bearing in the accommodating chamber
It covers (39), the bearing cap (39) is bolted to the shell；The shell both ends of the differential mechanism (3) are respectively arranged with
First bearing (36) and second bearing (37), first bearing (36) hole for installing the first bearing (36) are formed in the bearing
Lid (39) and the shell, second bearing (37) hole for installing the second bearing (37) are formed in the shell.
7. half coaxial-type electricity according to claim 6 drives axle assembly, which is characterized in that the left side of the first bearing (36)
Or adjusting nut (38) are provided on the right side of the second bearing (37), for adjusting the first bearing (36) and described second
The pretightning force of bearing (37).
8. electricity according to claim 1-7 drives axle assembly, which is characterized in that the electricity drives axle assembly and is set as whole
Body formula electricity drives axle assembly；The length of the left half axle (4) is arranged are as follows: the accommodating chamber and the left side far from the shell are stretched out in left end
End；The length of the right axle shaft (5) is arranged are as follows: right end stretches out the accommodating chamber and the right end far from the shell；Described left half
It is cased with left casing (43) outside axis (4), the right end of the left casing (43) and the left end of the shell are provided with flange, two flanges
It is bolted；It is cased with right casing (53) outside the right axle shaft (5), the left end of the right casing (53) and the right side of the shell
End is provided with flange, and two flanges are bolted.
9. electricity according to claim 1-7 drives axle assembly, which is characterized in that the electricity drives axle assembly and is set as only
Vertical electricity drives axle assembly；The length of the left half axle (4) is arranged are as follows: the accommodating chamber and the left side close to the shell are stretched out in left end
End；The length of the right axle shaft (5) is arranged are as follows: right end stretches out the accommodating chamber and the right end close to the shell.
10. electricity according to claim 1-7 drives axle assembly, which is characterized in that the electricity drives axle assembly and further includes
Left wheel hub interconnecting piece (42) set on the left half axle (4) left end and the right wheel hub interconnecting piece set on the right axle shaft (5) right end
(52)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466952.7A CN109435660A (en) | 2018-12-03 | 2018-12-03 | A kind of electricity drive axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811466952.7A CN109435660A (en) | 2018-12-03 | 2018-12-03 | A kind of electricity drive axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109435660A true CN109435660A (en) | 2019-03-08 |
Family
ID=65555393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811466952.7A Pending CN109435660A (en) | 2018-12-03 | 2018-12-03 | A kind of electricity drive axle assembly |
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| CN (1) | CN109435660A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469645A (en) * | 2019-08-20 | 2019-11-19 | 广西汽车集团有限公司 | A kind of half coaxial-type electricity drive axle assembly |
| CN111806157A (en) * | 2020-07-17 | 2020-10-23 | 合肥美桥汽车传动及底盘系统有限公司 | Electric drive axle assembly |
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| CN113028033A (en) * | 2021-04-16 | 2021-06-25 | 四川建安工业有限责任公司 | Method for machining bearing hole of electrically-driven speed reducer assembly |
| EP4199321A4 (en) * | 2020-08-12 | 2024-05-15 | XPT (Nanjing) E-powertrain Technology Co., Ltd. | Coaxial asynchronous electric drive system |
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| CN110469645A (en) * | 2019-08-20 | 2019-11-19 | 广西汽车集团有限公司 | A kind of half coaxial-type electricity drive axle assembly |
| CN111806157A (en) * | 2020-07-17 | 2020-10-23 | 合肥美桥汽车传动及底盘系统有限公司 | Electric drive axle assembly |
| EP4199321A4 (en) * | 2020-08-12 | 2024-05-15 | XPT (Nanjing) E-powertrain Technology Co., Ltd. | Coaxial asynchronous electric drive system |
| CN112659889A (en) * | 2020-12-23 | 2021-04-16 | 浙江吉利控股集团有限公司 | Coaxial pure electric vehicle power system with power disconnection function and vehicle |
| CN113028033A (en) * | 2021-04-16 | 2021-06-25 | 四川建安工业有限责任公司 | Method for machining bearing hole of electrically-driven speed reducer assembly |
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