CN109591514A - Integrated form steering drive axle assembly and vehicle - Google Patents
Integrated form steering drive axle assembly and vehicle Download PDFInfo
- Publication number
- CN109591514A CN109591514A CN201710922697.1A CN201710922697A CN109591514A CN 109591514 A CN109591514 A CN 109591514A CN 201710922697 A CN201710922697 A CN 201710922697A CN 109591514 A CN109591514 A CN 109591514A
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- CN
- China
- Prior art keywords
- axle
- transmission
- gear
- shaft
- integrated form
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/121—Power-transmission from drive shaft to hub
- B60B35/122—Power-transmission from drive shaft to hub using gearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
-
- 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
- B60K17/06—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
- B60K17/08—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/20—Links, e.g. track rods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/22—Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system
Abstract
The invention discloses a kind of integrated form steering drive axle assembly and vehicle, the integrated form steering drive axle assembly includes: drive axle；Electric power assembly, the electric power assembly include: motor and speed changer, and the motor has motor output end, and the speed changer has transmission input and transmission output, and the motor output end is connected with the transmission input；Differential mechanism, left half axle and right axle shaft, the shell of the differential mechanism are connected with the transmission output, and the differential mechanism is connected with the left half axle and the right axle shaft respectively；Wherein the electric power assembly, the differential mechanism are integrated on the drive axle.Integrated form rotate driving axle assembly according to the present invention can effectively promote the energy utilization rate of vehicle, reduce loss of the power in transmittance process.
Description
Technical field
The present invention relates to technical field of vehicle, in particular to a kind of integrated form steering drive axle assembly and vehicle.
Background technique
Driving axis belongs to general fuel oil driving axis in the related technology, and the power resources of vehicle bridge mention for engine
The fuel power of confession, the power need to can reduce mechanical transmission effect by the power transmission structure of transmission shaft, universal joint etc. in this way
Rate is unfavorable for the economical and efficient of using energy source.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention mentions
A kind of integrated form steering drive axle assembly out, the integrated form rotate driving axle assembly can effectively promote the using energy source of vehicle
Rate reduces loss of the power in transmittance process.
The invention also provides a kind of vehicles with above-mentioned integrated form steering drive axle assembly.
Integrated form steering drive axle assembly according to the present invention, comprising: drive axle；Electric power assembly, the electric power are total
At including: motor and speed changer, the motor is with motor output end, and the speed changer is with transmission input and speed changer
Output end, the motor output end are connected with the transmission input；Differential mechanism, left half axle and right axle shaft, the differential mechanism
Shell be connected with the transmission output, and the differential mechanism is connected with the left half axle and the right axle shaft respectively；Its
Described in electric power assembly, the differential mechanism be integrated on the drive axle.
Integrated form steering drive axle assembly according to the present invention, by integrating the components such as electric power assembly and differential mechanism
On drive axle, loss of the power in transmittance process can be greatly reduced, improve the energy utilization rate of vehicle, and then reduce
The use cost of vehicle.
According to one embodiment of present invention, the drive axle includes: axle housing middle piece and is located at described axle housing middle piece or so
The left axle housing section fork and right axle housing section fork of two sides.
According to one embodiment of present invention, the axle housing middle piece includes: upper half bridge shell and lower half bridge shell, the upper half-bridge
Shell and the lower half bridge shell are stamping parts, and the upper half bridge shell and the lower half shell welding are fixed.
According to one embodiment of present invention, preceding backing plate is welded on front side of the axle housing middle piece, in the axle housing
The rear side of section is welded with rear backing plate, and the preceding backing plate is suitable for the fixed electric power assembly, and the rear backing plate is suitable for fixing
Axle housing rear cover.
According to one embodiment of present invention, the electric power assembly further include: cooling electric oil pump is carried out to motor.
According to one embodiment of present invention, the electric power assembly further include: cabinet, the cabinet are suitable for described in installation
Motor and the speed changer.
According to one embodiment of present invention, the motor output end is motor output shaft, and the transmission input is
Transmission input shaft, the motor output shaft and the transmission input shaft are connected by spline.
According to one embodiment of present invention, the transmission input shaft is installed in rotation on the cabinet.
According to one embodiment of present invention, the first transmission gear is provided on the transmission input shaft；The speed change
Device further include: the first transmission shaft and second driving shaft are fixedly installed the second transmission gear and multiple on first transmission shaft
Third transmission gear spaced apart, second transmission gear is engaged with first transmission gear, on the second driving shaft
Multiple 4th transmission gears spaced apart are provided with, multiple 4th transmission gears and multiple third transmission gears are one by one
It corresponds to and is engaged with each other, being additionally provided on the second driving shaft keeps the 4th transmission gear synchronous with the second driving shaft
The synchronizer of rotation.
According to one embodiment of present invention, the 5th transmission gear, the differential mechanism are provided on the second driving shaft
On be provided with the 6th transmission gear, the 6th transmission gear is engaged with the 5th transmission gear.
According to one embodiment of present invention, first transmission gear, second transmission gear, third transmission
Gear, the 4th transmission gear, the 5th transmission gear and the 6th transmission gear are helical gear.
According to one embodiment of present invention, the integrated form steering drive axle assembly further include: hub reduction gear, it is described
Hub reduction gear is two, and two hub reduction gears are respectively adapted to connect the left half axle and left side wheel hub and described
Right axle shaft and right side wheel hub.
According to one embodiment of present invention, the hub reduction gear includes: sun gear, the sun gear be suitable for it is described
Left half axle or right axle shaft cooperation；Gear ring, the gear ring are connected with sun gear by planetary gear, and the gear ring is fixed on institute
It states on wheel hub.
According to one embodiment of present invention, integrated form steering drive axle assembly further include: assembly is turned to, it is described to turn to always
At including:
Revolver margin knot fork and right wheel margin knot fork, the revolver margin knot fork are rotatably arranged on the left axle housing section fork,
The right wheel margin knot fork is rotatably arranged on the right axle housing section fork；
Left steering joint arm and right turn joint arm, the left steering joint arm are fixed at the upside of the revolver margin knot fork,
The right turn joint arm is fixed at the upside of the right turn section fork；
Left steering trapezoid connection and right steering trapezoid connection, the left steering trapezoid connection are fixed at the revolver margin knot fork
Downside, the right steering trapezoid connection are fixed at the downside of the right turn section fork；
Left half axle casing and right axle shaft casing, the left half axle casing are fixed on the revolver margin knot fork, and described right half
Pipe spreader is fixed on the right wheel margin knot fork, and the left half axle and the right axle shaft are rotatably arranged in described left half respectively
On pipe spreader and the right axle shaft casing.
Vehicle according to the invention includes above-mentioned integrated form steering drive axle assembly, since vehicle according to the invention is set
It is equipped with above-mentioned integrated form steering drive axle assembly, therefore the energy consumption of the vehicle and use cost are low, improves the use of occupant
Impression.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 is the schematic diagram of driving axis according to an embodiment of the present invention；
Fig. 2 is the schematic diagram of driving axis according to an embodiment of the present invention；
Fig. 3 is the schematic diagram of electric power assembly according to an embodiment of the present invention；
Fig. 4 is drive axle according to an embodiment of the present invention and the schematic diagram for turning to assembly cooperation；
Fig. 5 is drive axle according to an embodiment of the present invention and the schematic diagram for turning to assembly cooperation；
Fig. 6 is the schematic diagram of hub reduction gear according to an embodiment of the present invention；
Fig. 7 is the cross-sectional view according to an embodiment of the present invention for turning to assembly；
Fig. 8 is the schematic diagram of brake assembly according to an embodiment of the present invention；
Fig. 9 is the cross-sectional view of hub reduction gear according to an embodiment of the present invention；
Figure 10 is the schematic diagram of speed changer according to an embodiment of the present invention；
Figure 11 is the explosive view of hub reduction gear according to an embodiment of the present invention.
Appended drawing reference:
Driving axis 100,
Drive axle 110, axle housing middle piece 111, upper half bridge shell 111a, lower half bridge shell 111b, preceding backing plate 111c, rear backing plate
111d, left axle housing section fork 112, right axle housing section fork 113, axle housing rear cover 114,
Motor 120,
Speed changer 130, transmission input shaft 131, the first transmission gear 131a, the first transmission shaft 132, the second transmission gear
132a, third transmission gear 132b, second driving shaft 133, the 4th transmission gear 133a, the 5th transmission gear 133b, synchronizer
133c,
Electric oil pump 140, cabinet 150,
Differential mechanism 161, the 6th transmission gear 161a, left half axle 162, right axle shaft 163,
Hub reduction gear 170, sun gear 171, planetary gear 172, planet carrier 173, gear ring 174, housing of wheel reduction gear
175,
Steering assembly 180, revolver margin knot fork 181, right wheel margin knot fork 182, left steering joint arm 183, right turn joint arm 184,
Left steering trapezoid connection 185, right steering trapezoid connection 186, left half axle casing 187, right axle shaft casing 188,
Brake assembly 190.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings.Below with reference to
The embodiment of attached drawing description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or
Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly.For this field
For those of ordinary skill, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It is described in detail below according to integrated form vanning driving axis 100 of Fig. 1-Figure 11 to the embodiment of the present invention.
Integrated form vanning driving axis 100 according to the present invention includes drive axle 110, electric power assembly, differential mechanism
161, left half axle 162 and right axle shaft 163.
Wherein, the end of actuating system is arranged in drive axle 110, can by torque transfer that electric power assembly is published books to
Driving wheel, electric power assembly include motor 120 and speed changer 130, and motor 120 has motor output end, and speed changer 130 has
Transmission input and transmission output, motor output end are connected with transmission input, the shell and speed change of differential mechanism 161
Device output end is connected, and differential mechanism 161 is connected with left half axle 162 and right axle shaft 163 respectively, wherein electric power assembly, differential mechanism
161 are integrated on drive axle 110.
Motor 120 can be connect with battery in electric power assembly, convert electrical energy into mechanical energy, and motor output end can be with
Output torque, motor output end transmit torque to transmission input, and torque is passed through the transmission between gear by speed changer 130
Torque increase, revolving speed are reduced, and will turn to transmit torque to differential mechanism 161 by transmission output, differential mechanism 161 will
Torque is transmitted to respectively in left half axle 162 and right axle shaft 163, left half axle 162 and right axle shaft 163 transmit torque to wheel so that
Vehicle wheel rotation is so that wheel moves forward or back.
Electric power assembly and differential mechanism 161 are integrated on drive axle 110, and electric power assembly and 161 assembly of differential mechanism are solid
It is scheduled on together, can be fixed on drive axle 110 by fixed device, the direct geared and differential mechanism by electric power assembly
161 are connected, and reduce the power loss during power transmission, effectively increase the power performance of vehicle.
Electric power assembly and differential mechanism 161 are integrated in driving by integrated form steering drive axle assembly 100 according to the present invention
On bridge 110, reduce transmission component in the structure of power transmission, makes transmission efficiency between electric power assembly and drive axle 110 more
Height, and significantly reduce the weight of vehicle, save the cost while, make the performance of vehicle be improved.
According to some embodiments of the present invention, drive axle 110 includes 111 left and right sides of axle housing middle piece 111 and axle housing middle piece
Left axle housing section fork 112 and right axle housing section fork 113.
Axle housing middle piece 111 is provided separately with left axle housing section fork 112 and right axle housing section fork 113, can be in the technique of processing
The structural strength of entire drive axle 110 is promoted, and left axle housing section fork 112 and right axle housing section fork 113 are arranged in axle housing middle piece
111 two sides turn convenient for the peace of other assemblies, the installation effectiveness to drive axle 110 can be improved during general assembly.
According to some embodiments of the present invention, axle housing middle piece 111 includes upper half bridge shell 111a and lower half bridge shell 111b, upper half
Axle housing 111a and lower half bridge shell 111b is that stamping parts and upper half bridge shell 111a and lower half bridge shell 111b welding machine are fixed.
Upper half bridge shell 111a can be formed with lower half bridge shell 111b by steel plate punched, due to upper half bridge shell 111a and lower half
Axle housing 111b is to be symmetrical arranged so structure having the same, same mold can be used in punching course reduces exploitation
Cost, and by stamping forming axle housing, weight will be lower than the bridge of the casting and forming of transmission with same intensity
Upper half bridge shell 111a and lower half bridge shell 111b fixation is made the intensity of entire axle housing middle piece 111 fully meet vehicle by shell by welding
For drive axle 110 intensity requirement.
Preferably, the backing plate 111c before the front side of axle housing middle piece 111 is welded with, the rear side welding of axle housing middle piece 111
It is fixed with rear backing plate 111d, preceding backing plate 111c is suitable for fixed electric power assembly, and rear backing plate 111d is suitable for fixed axle housing rear cover 114.
Upper half bridge shell 111a and lower half bridge shell 111b welding after, middle position reserve for by electric power assembly respectively with
The installation space that left half axle 162 is connected with right axle shaft 163, preceding backing plate 111c can be structured as annular, and on preceding backing plate 111c
It is provided with the threaded hole for connecting electric power assembly, when electric power assembly is mounted on drive axle 110, electric power assembly
External shell is contacted with preceding backing plate 111c, and the shell of electric power assembly is fixed on preceding backing plate 111c by bolt, with
Make the stable connection between electric power assembly and drive axle 110, the installation that preceding backing plate 111c can promote electric power assembly is stablized
Property, so that electric power assembly is more firmly mounted.
In the installation space being made of upper half bridge shell 111a and lower half bridge shell 111b on a direction by electric power assembly with
The connection of drive axle 110 is closed, and outside can be exposed on another direction, can be in this direction in the engineering of assembly
Assembly adjusting is carried out to electric power assembly and drive axle 110, rear backing plate 111d extends back, and is provided on rear backing plate 111d
Threaded hole is correspondingly provided with threaded hole on axle housing rear cover 114, axle housing rear cover 114 can be fixed on rear backing plate 111d, bridge
Shell rear cover 114 will close axle housing middle piece 111, seal the connection between electric power assembly and drive axle 110, and protection electric power is total
At transmission component between drive axle 110.
According to some embodiments of the present invention, electric power assembly further includes that cooling electric oil pump is carried out to motor 120
140, the cooling water channel for coolant liquid circulation can be set on 120 shell of motor, there is cooling water channel on cooling water channel
Opening and cooling water channel outlet, are additionally provided with electric oil pump 140 on the shell of motor 120, and electric oil pump 140 is used for as cooling
The flowing of liquid provides power.
According to some embodiments of the present invention, can be using cooling oil as coolant liquid, electric oil pump 140 can be with battery
It is connected, battery can provide electric oil pump 140 and work required voltage.
A specific embodiment according to the present invention, electric power assembly further include cabinet 150, and cabinet 150 is suitable for installation electricity
Machine 120 and speed changer 130, cabinet 150 provides installation control for the installation of motor 120 and speed changer 130, and can be used for
Protect motor 120 and speed changer 130, by cabinet 150 can make motor 120 and speed changer 130 preferably with other parts
It is connected.
Further, motor output end is 120 output shaft of motor, and transmission input is transmission input shaft, motor 120
Output shaft is connected with transmission input shaft 131 by spline, is transmitted by the power that spline is exported the output shaft of motor
To transmission input shaft 131, keep the transmittance process between engine and speed changer 130 simple, and transferable torque is bigger,
Spline is reliable and stable at low cost by this connection type of 120 output shaft of motor and transmission input shaft 131, strengthens vehicle
Integrated rate, can more efficiently carry out the production of integrated form steering drive axle assembly 100 in production link.
Preferably, internal spline has can be set in the spline on 120 output shaft of motor, can set on transmission input shaft 131
It is equipped with external splines, the stability of electric power assembly can be improved in internal spline and external splines cooperation.
Further, transmission input shaft 131 is installed in rotation on cabinet 150, transmission input shaft 131 relative to
Cabinet 150 is fixed, can be set the needle bearing for being suitable for installing transmission input shaft 131 on cabinet 150, and rolling card bearing can be with
The axis of transmission input shaft 131 is fixed, and transmission input shaft 131 can be rotated on needle bearing, by power
Square passes to other gears and power transmission component.
The first transmission gear 131a is provided on transmission input shaft 131, speed changer 130 further includes the first transmission shaft 132
With second driving shaft 133, it is fixedly installed the second transmission gear 132a on the first transmission shaft 132 and multiple thirds spaced apart pass
Moving gear 132b, the second transmission gear 132a are engaged with the first transmission gear 131a, and multiple are provided on second driving shaft 133
The 4th transmission gear 133a separated, multiple 4th transmission gear 133a and multiple third transmission gear 132b are corresponded and that
This engagement, is additionally provided with that rotate synchronously the 4th transmission gear 133a with second driving shaft 133 synchronous on second driving shaft 133
Device 133c.
First transmission gear 131a is engaged with the second transmission gear 132a, and torque is transmitted from transmission input shaft 131
To the first transmission shaft 132, the torque on the first transmission shaft 132 can pass through third transmission gear 132b and the 4th transmission gear
The engagement of 133a is transmitted, and the radius of multiple third transmission gear 132b on the first transmission shaft 132 is different, second driving shaft
The radius of multiple 4th transmission gear 133a on 133 is different, to realize different transmission ratios.
Synchronizer 133c can make any one the 4th transmission gear 133a and second driving shaft 133 fixed, by torque
Second driving shaft 133 is passed to by the axis of the first biography function, and transmittance process therein can be from the first power transmission shaft to any one
A third transmission gear 132b passes through synchronizer 133c to corresponding 4th transmission gear 133a again and passes to second driving shaft
133, speed changer 130 has multiple and different transmission ratios, can satisfy vehicle in different torque and revolving speed.
Further, it is provided with the 5th transmission gear 133b on second driving shaft 133, is provided with the 6th on differential mechanism 161
Transmission gear 161a, the 6th transmission gear 161a are engaged with the 5th transmission gear 133b.
Second driving shaft 133 obtains corresponding after being fixed any one the 4th transmission gear 133a by synchronizer 133c
Torque, the 5th transmission gear 133b and second driving shaft 133 are fixed, and the 5th biography function gear transmits torque to the 6th transmission gear
161a, that is, by the torque transfer after 130 speed change of speed changer to differential mechanism 161, by the 5th transmission gear 133b and
Engagement between 6th transmission gear 161a reduces the power transmission component between speed changer 130 and differential mechanism 161, avoids power
It is lost during transmitting, creates a further reduction the weight of integrated form steering drive axle assembly 100, vehicle weight can be reduced
The power performance that cost improves vehicle is also ad save while amount.
Preferably, the first transmission gear 131a, the second transmission gear 132a, third transmission gear 132b, the 4th driving cog
Taking turns 133a, the 5th transmission gear 133b and the 6th transmission gear 161a is helical gear, integrated form can be made to turn using helical gear
There is preferably engagement property to driving axis 100, and stable drive, noise can be made small using helical gear, relative to general
Helical gear has large carrying capacity, service life long for logical gear.
According to some embodiments of the present invention, integrated form steering drive axle assembly 100 further includes hub reduction gear 170, wheel
Side reducer 170 is two, and two hub reduction gears 170 are respectively adapted to connect left half axle 162 and left side wheel hub and right axle shaft
163 and right side wheel hub, hub reduction gear 170 can reduce the revolving speed of left half axle 162 or right axle shaft 163, and improve torque, make
The wheel being connected with retarder has enough torques.
Further, hub reduction gear 170 includes sun gear 171 and gear ring 174, and sun gear 171 is suitable for and left half axle 162
Or right axle shaft 163 cooperates, gear ring 174 is connected with sun gear 171 by planetary gear 172, and gear ring 174 is fixed on wheel hub.
Sun gear 171 will pass to multiple planetary gears 172, planetary gear from the power with left half axle 162 or right axle shaft 163
172 engage with gear ring 174, and multiple planetary gears 172 can be rotatably arranged on planet carrier 173 by needle bearing, planet
Frame 173 can be fixed on drive axle 110, and planetary gear 172 imparts power to gear ring 174, and the outside of gear ring 174, which is provided with, to be subtracted
Fast device shell, speed reducer housing are fixed on wheel hub, so that power can pass to wheel hub, reducer shell has relative to a left side
Semiaxis 162 or the lower revolving speed of right axle shaft 163 and higher torque.
Hub reduction gear 170 can have a housing of wheel reduction gear 175, and housing of wheel reduction gear 175 can pass through
Bolt is connect with gear ring 174, and gear ring 174 can be loosened by locking gasket, and housing of wheel reduction gear 175 can be with wheel hub
It is bolted, and then torque successively passes through drive axle 110, left half axle 162 or right axle shaft 163, wheel side from electric power assembly
Wheel hub is passed to after retarder 170, so that wheel has the torque driven forwards.
According to some embodiments of the present invention, integrated form steering drive axle assembly 100 further includes turning to assembly 180, is turned to
Assembly 180 includes that revolver margin knot pitches 181 and right wheel margin knot fork 182, left steering joint arm 183 and right turn joint arm 184, left half axle set
Pipe 187 and right axle shaft casing 188.
Revolver margin knot fork 181 is rotatably arranged on left axle housing section fork 112, and right wheel margin knot fork 182 can be rotatably set
On right axle housing section fork 113；Left steering joint arm 183 is fixed on revolver margin knot fork 181, and the fixation of right turn joint arm 184 is set
It sets on right turn section fork；Left half axle casing 187 is fixed on revolver margin knot fork 181, and right axle shaft casing 188 is fixed on right wheel side
On section fork 182, left half axle 162 and right axle shaft 163 are rotatably arranged in left half axle casing 187 and right axle shaft casing 188 respectively
On.
Specifically, the left side of drive axle 110 is arranged in revolver margin knot fork 181, and revolver margin knot fork 181 can be relative to drive
Dynamic bridge 110 rotates, and the upside of revolver margin knot fork 181 is provided with left steering joint arm 183, and for connecting with turning-bar, turning-bar can
The power of steering is passed to revolver margin knot fork 181, so that 181 rotation of revolver margin knot fork, the downside of revolver margin knot fork 181 are set
It is equipped with left steering trapezoid connection 185, left steering trapezoid connection 185 can be connect with track rod, and left steering section is pitched and turned right
It is synchronized to section fork.
Preferably, fixed block can be set in the upside of left steering joint arm 183, fixed block is used for left steering joint arm
186 reinforce with turning-bar connecting portion, add the intensity of left steering joint arm 183, promote the reliability of the steering of wheel, effectively prolong
The service life of left steering joint arm 183 is grown.Similarly, the fixed form of the right turn joint arm 184 on the right side of drive axle 110 also with it is above-mentioned
Fixed form is similar.
Spline has can be set in the end of left half axle casing 187, and left half axle casing 187 can be with hub reduction by spline
Sun gear on device 170 is connected, and will pass to hub reduction gear 170 from the torque of left half axle 162.Right axle shaft casing 188
Fixed form is similar to above-mentioned fixed form, and which is not described herein again.
The right side of drive axle 110 is arranged in right wheel margin knot fork 182, and right wheel margin knot fork 182 can be relative to drive axle 110
The upside of rotation, right wheel margin knot fork 182 is provided with right turn joint arm 184, and for connecting with turning-bar, turning-bar can will be turned to
Power pass to right wheel margin knot fork 182 so that right wheel margin knot fork 182 rotation, right wheel margin knot fork 182 downside be provided with right-hand rotation
To tie rod arm 186, right steering trapezoid connection 186 can be connect with track rod, and right turn section fork is pitched together with left steering section
Step.
According to some embodiments of the present invention, which is mainly welded, and axle housing middle piece 111 is mainly two
Upper half bridge shell 111a, lower half bridge shell 111b made of a steel plate punched are first welded, preceding backing plate 111c, rear backing plate 111d, with
And four leaf spring installation limit bases are also weldingly fixed on axle housing middle piece 111, using the welded axle housing of this steel plate punched
Axle housing light weight many of the middle section 111 compared with casting.
Left axle housing section fork 112 and right axle housing section fork 113 beat groove with the junction of axle housing middle piece 111, passed through intermediate
Washer and axle housing middle piece 111 are welded, and intensity is high after this welding method welding, and good rigidity is able to bear biggish load.
Left half axle 162 and right axle shaft 163 are each passed through the needle bearing for being mounted on left axle housing section fork 112 and right axle housing section fork 113, Kong Yong
Thus left half axle 162 and right axle shaft 163 are fixed on left axle housing section fork 112 and right axle housing by circlip and two rubber oil seas
It is supported on section fork 113, and favorable sealing property.
Left axle housing section fork 112 and right axle housing section are pitched 113 the upper side and lower side and are pressed with and left axle housing section fork 112 and right axle housing section
Upper stub, the lower stub of 113 interference fit of fork, upper stub pass through copper sheathing and put on upper bush set again；Lower stub passes through copper sheathing, thrust
Roller bearing and combination oil seal.Revolver margin knot fork 181 and right wheel margin knot fork 182 fix up and down by bolt respectively, can be with
Left steering joint arm 183 and right turn joint arm 184, fixed block and revolver margin knot fork 181 or right are each passed through using multiple stay bolts
It takes turns margin knot fork 182 and reinforces overall structure, downside can pass through left steering trapezoid connection 185 and right steering trapezoid connection using multiple bolts
186 to be fixed on revolver margin knot fork 181 and right wheel margin knot fork 182.
The vehicle with integrated form steering drive axle assembly 100 of the present invention is briefly described below.
Integrated form steering drive axle assembly 100 according to the present invention is provided in vehicle according to the invention, due to basis
Integrated form steering drive axle assembly 100 according to the present invention, therefore the complete vehicle weight of the vehicle are provided on vehicle of the invention
Gently, transmission efficiency is high, integration degree is high.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.
Claims (15)
1. a kind of integrated form steering drive axle assembly characterized by comprising
Drive axle；
Electric power assembly, the electric power assembly include: motor and speed changer, and the motor has motor output end, the change
Fast device has transmission input and transmission output, and the motor output end is connected with the transmission input；
Differential mechanism, left half axle and right axle shaft, the shell of the differential mechanism are connected with the transmission output, and the differential mechanism
It is connected respectively with the left half axle and the right axle shaft；Wherein the electric power assembly, the differential mechanism are integrated in the drive
On dynamic bridge.
2. integrated form steering drive axle assembly according to claim 1, which is characterized in that the drive axle includes: in axle housing
Section and left axle housing section fork and right axle housing section fork at left and right sides of the axle housing middle piece.
3. integrated form steering drive axle assembly according to claim 2, which is characterized in that the axle housing middle piece includes: upper half
Axle housing and lower half bridge shell, the upper half bridge shell and the lower half bridge shell are stamping parts, and the upper half bridge shell and the lower half
Shell welding is fixed.
4. integrated form steering drive axle assembly according to claim 2, which is characterized in that weld the front side of the axle housing middle piece
It is fixed with preceding backing plate, rear backing plate is welded on rear side of the axle housing middle piece, the preceding backing plate is suitable for the fixed electric power
Assembly, the rear backing plate are suitable for fixed axle housing rear cover.
5. integrated form steering drive axle assembly according to claim 1, which is characterized in that the electric power assembly further include:
Cooling electric oil pump is carried out to motor.
6. integrated form steering drive axle assembly according to claim 1, which is characterized in that the electric power assembly further include:
Cabinet, the cabinet are suitable for installing the motor and the speed changer.
7. integrated form steering drive axle assembly according to claim 6, which is characterized in that the motor output end is that motor is defeated
Shaft, the transmission input are transmission input shaft, and the motor output shaft and the transmission input shaft pass through spline
It is connected.
8. integrated form steering drive axle assembly according to claim 7, which is characterized in that the transmission input shaft can be rotated
Ground is mounted on the cabinet.
9. integrated form steering drive axle assembly according to claim 8, which is characterized in that be arranged on the transmission input shaft
There is the first transmission gear；
The speed changer further include: the first transmission shaft and second driving shaft are fixedly installed the second biography on first transmission shaft
Moving gear and multiple third transmission gears spaced apart, second transmission gear is engaged with first transmission gear, described
Multiple 4th transmission gears spaced apart, multiple 4th transmission gears and multiple thirds are provided on second driving shaft
Transmission gear is corresponded and is engaged with each other, and being additionally provided on the second driving shaft makes the 4th transmission gear and described the
The synchronizer that two transmission shafts rotate synchronously.
10. integrated form steering drive axle assembly according to claim 9, which is characterized in that be arranged on the second driving shaft
There is the 5th transmission gear, the 6th transmission gear, the 6th transmission gear and the 5th transmission are provided on the differential mechanism
Gear engagement.
11. integrated form steering drive axle assembly according to claim 10, which is characterized in that first transmission gear, institute
The second transmission gear, the third transmission gear, the 4th transmission gear, the 5th transmission gear and the described 6th is stated to pass
Moving gear is helical gear.
12. integrated form steering drive axle assembly according to claim 1, which is characterized in that further include: hub reduction gear, institute
Stating hub reduction gear is two, and two hub reduction gears are respectively adapted to connect the left half axle and left side wheel hub and institute
State right axle shaft and right side wheel hub.
13. integrated form steering drive axle assembly according to claim 11, which is characterized in that the hub reduction gear includes:
Sun gear, the sun gear are suitable for cooperating with the left half axle or the right axle shaft；
Gear ring, the gear ring are connected with sun gear by planetary gear, and the gear ring is fixed on the wheel hub.
14. integrated form steering drive axle assembly according to claim 2, which is characterized in that further include: assembly is turned to, it is described
Turning to assembly includes:
Revolver margin knot fork and right wheel margin knot fork, the revolver margin knot fork is rotatably arranged on the left axle housing section fork, described
Right wheel margin knot fork is rotatably arranged on the right axle housing section fork；
Left steering joint arm and right turn joint arm, the left steering joint arm is fixed at the upside of the revolver margin knot fork, described
Right turn joint arm is fixed at the upside of the right turn section fork；
Left steering trapezoid connection and right steering trapezoid connection, the left steering trapezoid connection are fixed under the revolver margin knot fork
Side, the right steering trapezoid connection are fixed at the downside of the right turn section fork；
Left half axle casing and right axle shaft casing, the left half axle casing are fixed on the revolver margin knot fork, the right axle shaft set
Pipe is fixed on the right wheel margin knot fork, and the left half axle and the right axle shaft are rotatably arranged in the left half axle set respectively
On pipe and the right axle shaft casing.
15. a kind of vehicle, which is characterized in that total including integrated form steering and driving axle described in any one of claim 1-14
At.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922697.1A CN109591514A (en) | 2017-09-30 | 2017-09-30 | Integrated form steering drive axle assembly and vehicle |
| PCT/CN2018/108364 WO2019062864A1 (en) | 2017-09-30 | 2018-09-28 | Integrated steering drive axle assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710922697.1A CN109591514A (en) | 2017-09-30 | 2017-09-30 | Integrated form steering drive axle assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109591514A true CN109591514A (en) | 2019-04-09 |
Family
ID=65903267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710922697.1A Pending CN109591514A (en) | 2017-09-30 | 2017-09-30 | Integrated form steering drive axle assembly and vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109591514A (en) |
| WO (1) | WO2019062864A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| CN112590988A (en) * | 2020-11-30 | 2021-04-02 | 徐州耀武机车有限公司 | Electric three-wheel same-direction steering control mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11634174B2 (en) * | 2020-04-18 | 2023-04-25 | Ryan Nathaniel Combs | Coaxial co-located vehicle drive power and steering system |
| DE102021201547A1 (en) * | 2021-02-18 | 2022-08-18 | Volkswagen Aktiengesellschaft | Drive train for a motor vehicle |
| CN113427950A (en) * | 2021-08-05 | 2021-09-24 | 山东家源农业装备有限公司 | Connecting structure for mounting axle below engine |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019062864A1 (en) | 2019-04-04 |
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