CN208602298U - A kind of motor postposition pure electric vehicle drive axle of heavy truck - Google Patents
A kind of motor postposition pure electric vehicle drive axle of heavy truck Download PDFInfo
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- CN208602298U CN208602298U CN201821010458.5U CN201821010458U CN208602298U CN 208602298 U CN208602298 U CN 208602298U CN 201821010458 U CN201821010458 U CN 201821010458U CN 208602298 U CN208602298 U CN 208602298U
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Abstract
The utility model discloses a kind of motor postposition pure electric vehicle drive axle of heavy truck, its main feature is that, motor is connected to active roller gear by splined shaft, driven cylindrical gear is engaged with active roller gear, driven cylindrical gear can drive principal and subordinate to move spiral bevel gear pair by internal spline, driven spiral bevel gear drives differential mechanism rotation, is engaged inside differential mechanism by gear and distributes power to two sides semiaxis, to drive vehicle wheel rotation；Since motor is directly connected with drive axle, the transmission shaft in fuel oil bassinet structure arrangement is eliminated, a large amount of space is saved, can arrange more batteries, extends truck course continuation mileage；Motor postposition is directly connected to drive axle, improves transmission efficiency.
Description
Technical field:
The utility model relates to pure electric vehicle heavy truck technical field, specifically a kind of motor postposition pure electric vehicle is heavy
Truck driving axle.
Background technique:
Orthodox car is under being continuously increased and make facing mankind energy shortage, climate warming, air quality of global ownership
The problems such as drop；For these problems, people gradually increase pure electric automobile technological development dynamics；The heavy type of pure electric vehicle is used at present
Truck is all motor by transmission shaft and then imparts power to drive axle, and wherein transmission shaft occupies a large amount of space, cannot
It arranges more batteries, affects course continuation mileage；There is between transmission shaft and motor, drive axle transmission angle simultaneously, form
Certain energy loss, and then course continuation mileage is also influenced simultaneously.
Utility model content:
The purpose of the utility model is to overcome the foots of above-mentioned prior art, and provide a kind of motor postposition pure electric vehicle heavy type card
Vehicle drive axle；Mainly solve existing pure electric vehicle heavy truck transmission shaft occupied space is big and transmission shaft and motor, drive axle
Between have transmission angle so that influence course continuation mileage the problem of.
The technical solution of the utility model is: a kind of motor postposition pure electric vehicle drive axle of heavy truck, special character exist
In, including motor, splined shaft, active roller gear, driven cylindrical gear, differential mechanism, semiaxis, wheel and axle housing, the electricity
Machine is fixed in the support plate of the axle housing of rear side, and support plate is fixed on axle housing, motor and spline axis connection, splined shaft and active
Roller gear connection, active roller gear are engaged with driven cylindrical gear, and driven cylindrical gear is connect with active spiral bevel gear；
The active roller gear and driven cylindrical gear are located on front side of axle housing, and the differential mechanism is included in axle housing, the wheel
Positioned at active roller gear, driven cylindrical gear two sides, the power of the active roller gear and driven cylindrical gear is by electricity
Machine is incoming on rear side of axle housing, and active roller gear and driven cylindrical gear transfer power to active spiral bevel gear, active spiral shell
Bevel gear and the engagement of driven spiral bevel gear are revolved, driven spiral bevel gear is connect with differential mechanism, and the two sides of differential mechanism export difference
It is connected by semiaxis with two sides wheel.
Further, the active roller gear is different with the driven cylindrical gear number of teeth, the number of teeth of active roller gear
Less than the number of teeth of driven cylindrical gear.
Compared with the prior art a kind of motor postposition pure electric vehicle drive axle of heavy truck described in the utility model has such as
Lower good effect, 1, be fixed on motor on rear side of axle housing, motor is directly connected with axle housing, eliminates during fuel oil bassinet structure arranges
Transmission shaft improves integrated level, saves a large amount of space, can arrange more batteries, so that pure electric vehicle heavy truck has more
Course continuation mileage；2, motor postposition is directly anchored on axle housing, active Tooth Number of Gear Z1Less than driven cylindrical gear Z2, electricity
Machine is after active roller gear and driven cylindrical gear, motor speed n0It can reduce, reduction ratio is Z1 /Z2, because of Z1It is small
In Z2, so Z1 /Z2< 1, that is, revolving speed n=n after reducing0* (Z1 /Z2), improve driving torque.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of the embodiments of the present invention 1；
Fig. 2 is the structural schematic diagram of the embodiments of the present invention 2.
Wherein, 1 motor, 2 splined shafts, 3 active roller gears, 4 active roller gear bearings, 5 driven cylindrical gear bearings,
6 driven cylindrical gears, 7 active spiral bevel gears, 8 driven spiral bevel gears, 9 differential mechanisms, 10 differential bearings, 11 semiaxis, 12
Wheel, 13 axle housings, 14 support plates, 15 bolts, 16 reducer shells.
Specific embodiment:
For a better understanding and implementation, providing specific embodiment with reference to the accompanying drawing is described in detail the utility model.
Embodiment 1 selects suitable component referring to Fig. 1, motor 1 is fixed in the support plate 14 of the axle housing 13 of rear side,
Support plate 14 is fixed on axle housing 13, motor 1 is connect by spline with splined shaft 2, splined shaft 2 and active roller gear 3 are logical
Spline connection is crossed, while being supported with active roller gear bearing 4, is able to be rotated；By driven cylindrical gear 6 and actively
Roller gear 3 engages, and active roller gear 3 and driven cylindrical gear 6 number of teeth are different, the number of teeth of active roller gear 3 be less than from
The number of teeth of dynamic roller gear 6；Active roller gear 3 and driven cylindrical gear 6 are located at 13 front side of axle housing, and wheel 12 is located at actively circle
Driven cylindrical gear 6 is fixedly connected with active spiral bevel gear 7 by spline, together by stud wheel 3,6 two sides of driven cylindrical gear
When be supported with driven cylindrical gear bearing 5, be able to be rotated；The power of active roller gear 3 and driven cylindrical gear 6
It is passed on rear side of axle housing 13 by motor 1, active roller gear 3 and driven cylindrical gear 6 transfer power to active screw conic tooth
Wheel 7；Active spiral bevel gear 7 is meshed with driven spiral bevel gear 8, forms spiral bevel gear pair, while motive power being transmitted
Direction changes 90 °, transmits to 12 direction of two sides wheel；Driven spiral bevel gear 8 is connect with differential mechanism 9, differential mechanism 9 is by differential
Device bearing 10 is supported, and the two sides output of differential mechanism 9 is connected by semiaxis 11 with two sides wheel 12 respectively, passes through differential mechanism 9
Start to two sides output power, and imparts power to wheel 12 eventually by semiaxis 11.
Embodiment 2 selects suitable component referring to fig. 2, motor 1 is connect by spline with splined shaft 2, splined shaft 2 is logical
Interior external splines connection transition is crossed, most active roller gear 3 is connected and fixed finally, forms an entirety, is transmitted 1 power of motor and is turned
Speed, while active roller gear 3 is aided with active roller gear bearing 4 and is supported, and is able to be rotated；Both ends active Cylinder Gear
Wheel bearing 4 is respectively supported on reducer shell 16 and axle housing 13；Driven Cylinder Gear human relations 6 are engaged with active roller gear 3, from
Dynamic roller gear 6 is fixedly connected with active spiral bevel gear 7 by spline, while active spiral bevel gear 7 is with driven Cylinder Gear
Wheel bearing 5 is supported, and is able to be rotated；Active spiral bevel gear 7 imparts power to driven bevel gear 8, driven circle
Bevel gear 8 is fixed together with differential mechanism 9, is rotated around differential bearing 10, while power is passed through semiaxis 11, connection
Wheel 12 transmits power to two sides；Simultaneously to guarantee 1 even running of motor, motor 1 is fixed on support plate 14 by bolt 15
On, support plate 14 is firm to be welded on axle housing 13.
A kind of motor postposition pure electric vehicle drive axle of heavy truck described in the utility model, motor is with vehicle heading
It sees, motor is fixed on rear side of vehicle bridge by motor by Auxiliary support, and power is transmitted on front side of vehicle bridge on rear side of vehicle bridge；By actively
Roller gear and driven cylindrical gear transfer power to active spiral bevel gear, active Tooth Number of Gear Z1Less than driven circle
Stud wheel Z2, motor is after active roller gear and driven cylindrical gear, motor speed n0It can reduce, reduction ratio is Z1 /
Z2, because of Z1Less than Z2, so Z1 /Z2< 1, that is, revolving speed n=n after reducing0* (Z1 /Z2)；Active spiral bevel gear and driven
Power is changed into the direction of transfer perpendicular to original motor by spiral bevel gear, is started by differential mechanism to two sides output power, and
Wheel is imparted power to eventually by semiaxis.
Although above-mentioned be described the embodiments of the present invention in conjunction with attached drawing, not the utility model is protected
The limitation of range is protected, those skilled in the art does not need to pay without departing from the spirit and scope of the utility model
Various change, modification, the replacement and variant that creative work can be made out etc. is still within the protection scope of the present utility model.
Claims (2)
1. a kind of motor postposition pure electric vehicle drive axle of heavy truck, which is characterized in that including motor (1), splined shaft (2), active
Roller gear (3), driven cylindrical gear (6), differential mechanism (9), semiaxis (11), wheel (12) and axle housing (13), the motor
(1) it is fixed in the support plate (14) of the axle housing (13) of rear side, support plate (14) is fixed on axle housing (13), motor (1) and flower
Key axis (2) connection, splined shaft (2) are connect with active roller gear (3), and active roller gear (3) is nibbled with driven cylindrical gear (6)
It closes, driven cylindrical gear (6) is connect with active spiral bevel gear (7)；The active roller gear (3) and driven cylindrical gear
(6) it is located on front side of axle housing (13), the differential mechanism (9) is included in axle housing (13), and the wheel (12) is located at active cylinder
The power of gear (3), driven cylindrical gear (6) two sides, the active roller gear (3) and driven cylindrical gear (6) is by electricity
Machine (1) is incoming on rear side of axle housing (13), and active roller gear (3) and driven cylindrical gear (6) transfer power to active spiral
Bevel gear (7), active spiral bevel gear (7) and driven spiral bevel gear (8) engagement, driven spiral bevel gear (8) and differential mechanism
(9) it connects, the two sides output of differential mechanism (9) is connected by semiaxis (11) with two sides wheel (12) respectively.
2. a kind of motor postposition pure electric vehicle drive axle of heavy truck according to claim 1, which is characterized in that the master
Dynamic roller gear (3) are different with driven cylindrical gear (6) number of teeth, and the number of teeth of active roller gear (3) is less than driven cylindrical gear
(6) the number of teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821010458.5U CN208602298U (en) | 2018-06-28 | 2018-06-28 | A kind of motor postposition pure electric vehicle drive axle of heavy truck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821010458.5U CN208602298U (en) | 2018-06-28 | 2018-06-28 | A kind of motor postposition pure electric vehicle drive axle of heavy truck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208602298U true CN208602298U (en) | 2019-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821010458.5U Active CN208602298U (en) | 2018-06-28 | 2018-06-28 | A kind of motor postposition pure electric vehicle drive axle of heavy truck |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859704A (en) * | 2018-06-28 | 2018-11-23 | 山东蓬翔汽车有限公司 | A kind of motor postposition pure electric vehicle drive axle of heavy truck |
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2018
- 2018-06-28 CN CN201821010458.5U patent/CN208602298U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108859704A (en) * | 2018-06-28 | 2018-11-23 | 山东蓬翔汽车有限公司 | A kind of motor postposition pure electric vehicle drive axle of heavy truck |
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