CN108662092A - A kind of electricity drive two grades of speed reducer assemblies of bridge - Google Patents
A kind of electricity drive two grades of speed reducer assemblies of bridge Download PDFInfo
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- CN108662092A CN108662092A CN201810693499.7A CN201810693499A CN108662092A CN 108662092 A CN108662092 A CN 108662092A CN 201810693499 A CN201810693499 A CN 201810693499A CN 108662092 A CN108662092 A CN 108662092A
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- 230000000712 assembly Effects 0.000 title claims abstract description 40
- 238000000429 assembly Methods 0.000 title claims abstract description 40
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 39
- 230000005611 electricity Effects 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract description 8
- 238000010168 coupling process Methods 0.000 claims abstract description 8
- 238000005859 coupling reaction Methods 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 239000010687 lubricating oil Substances 0.000 claims description 11
- 125000006850 spacer group Chemical group 0.000 claims description 3
- 239000011295 pitch Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 241000538562 Banjos Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H2003/0818—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts comprising means for power-shifting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Retarders (AREA)
Abstract
The present invention provides a kind of electricity to drive two grades of speed reducer assemblies of bridge, including fluid drive and actuating mechanism assembly, speed probe, oil temperature sensor and two grades of speed reducer assemblies, two grades of speed reducer assemblies include two grades of reducing gearboxes, it is closed by roller gear shell cover two grades of reducing gearbox front ends, input shafting and intermediate shaft system are provided in two grades of reducing gearboxes, input shafting is connected with intermediate shaft system, intermediate shaft system and the output coupling of shaft system that the rear outside two grades of reducing gearboxes is set, self shifter and actuating mechanism assembly and input coupling of shaft system；It is the configuration of the present invention is simple, dependable performance, at low cost, gear shift success rate and ride comfort can be effectively improved.
Description
Technical field
The invention belongs to automobile variable speed, drive systems, and two grades of speed reducer assemblies of bridge are driven more particularly, to a kind of electricity.
Background technology
Currently, electricity drive bridge two grades of speed reducer assembly arrangements it is general there are two types of：The first is two grades of speed reducer assemblies
It is first integrated with motor, it is then connect with axle housing, technology is easily realized, but retarder, differential mechanism maintainability are general, while motor and two
Shelves speed reducer assembly is arranged in axle housing homonymy, since weight is larger, can be brought to axle housing, suspension in vehicle travel process larger
Additional bending moment, bring adverse effect；Second is that two grades of speed reducer assemblies, motor and axle housing are coaxially arranged, is set to fission
Inside formula axle housing center or banjo axle, retarder is slowed down using two-stage planetary gear structure, integrated level highest, but structure
Complexity, of high cost, maintainability is poor.Both the above arrangement using two grades of designs, can be good at meeting the dynamic property of vehicle,
The requirement of economy and comfort, but be also clearly present some drawbacks and need to solve.
Invention content
The object of the present invention is to provide a kind of electricity to drive two grades of speed reducer assemblies of bridge, is designed using two gears, is turned by setting
Fast sensor and gear-shifting actuating mechanism realize fluid drive, fully meet the requirement of vehicle dynamic property, economy and comfort；Two
Shelves speed reducer assembly, using the design that bridges, is conducive to improve assembly maintenanceability and longitudinal-weight balance with motor；Using collection
An accepted way of doing sth designs, and effectively reduces the longitudinal size and weight of power drive system；Direct gearshift mechanism is covered using tooth, is effectively increased
Its reliability.
In order to solve the above technical problems, the present invention adopts the following technical scheme that realization：
A kind of electricity drive two grades of speed reducer assemblies of bridge, which is characterized in that passed including fluid drive and actuating mechanism assembly, rotating speed
Sensor, oil temperature sensor and two grades of speed reducer assemblies, two grades of speed reducer assemblies include two grades of reducing gearboxes, two grades of retarders
There are lubricating oil, two grades of reducing gearbox front ends to be closed by roller gear shell cover in shell, input shafting is provided in two grades of reducing gearboxes
And intermediate shaft system, input shafting are connected with intermediate shaft system, intermediate shaft system and the third that the rear outside two grades of reducing gearboxes is arranged
Shafting exports coupling of shaft system, self shifter and actuating mechanism assembly and input coupling of shaft system；
It includes a perforation axis to input shafting, and the rear end for penetrating through axis passes through two grades of reducing gearboxes and external driving motor
Axis connection is exported, the middle and back for penetrating through axis is supported on by cone bearing after penetrating through axis on two grades of reducing gearboxes, and the front end of axis is penetrated through
By penetrating through axis inner cone bearing support in cylindrical gear shell, penetrate through after axis before cone bearing and perforation axis between cone bearing in the past extremely
There are I grade of active roller gear and the setting of II grade of active roller gear on perforation axis respectively afterwards, I grade of active roller gear and II grade
There are one toothholders between active roller gear is fixedly connected on by spline on perforation axis；
Intermediate shaft system includes a drive bevel gear, and the gear shaft of drive bevel gear is arranged forward, the tooth of drive bevel gear
Wheel shaft is supported on by cone bearing after cone bearing before drive bevel gear and drive bevel gear on two grades of reducing gearboxes, drive bevel gear
The front end of gear shaft be supported in cylindrical gear shell by cylinder roller bearing, be fixedly installed on the gear shaft of drive bevel gear
There are II grade of driven cylindrical gear and I grade of driven cylindrical gear, II grade of driven cylindrical gear to be engaged with II grade of active roller gear, I
Shelves driven cylindrical gear is engaged with I grade of active roller gear；
It includes driven wheel of differential and differential assembly to export shafting, and driven wheel of differential is engaged with drive bevel gear, differential mechanism
Differential casing in assembly passes through two differential bearings, two differential bearing lids and two adjusting ring of differential mechanism support dresses
Rear outside two grades of reducing gearboxes is fitted over, the left half axle that the left half axle gear in differential assembly drives bridge with electricity is connected by spline
It connects, the right axle shaft that the right axle shaft gear in differential assembly drives bridge with electricity is attached by spline.
Fluid drive and actuating mechanism assembly include fluid drive actuating mechanism assembly, self-locking spring assembly, selector fork
Assembly and gear shift tooth set, fluid drive actuating mechanism assembly are assembled by bolt and two grades of reducing gearboxes；Self-locking spring is total
It is assembled at by screw thread and two grades of reducing gearboxes；Selector fork assembly by shift fork axle respectively with two grades of reducing gearboxes and circle
Stud wheel shell clearance fit is assembled, and a grade shifting fork assembly is made to be axially movable；Gear shift tooth set is coordinated by free-sliding spline and toothholder, can
Gear shift is realized in axial movement；
Speed probe is fixed on two grades of reducing gearbox sides, and the gauge head axis of speed probe passes through I grade of active cylinder
The axis of gear, for measuring its rotating speed；Oil temperature sensor, in two grades of reducing gearbox sides, and ensures oil temperature by Screw assembly
The gauge head of sensor immerses always under each operating mode in the lubricating oil in two grades of reducing gearboxes, detects lubricating oil temperature in real time.
Further technical solution includes：
The first needle bearing, II grade of active roller gear and perforation are provided between I grade of active roller gear and perforation axis
The second needle bearing and bushing are disposed between axis from outside to inside.
There are one baffle ring settings on perforation axis between cone bearing before II grade of active roller gear and perforation axis.
It is located in cylindrical gear shell in front of perforation axis front end face and opens there are one tapped circular through hole, one is adjusted
The external screw thread of whole end cap makes adjustment end cap screw in the circular through hole with the screw-internal thread fit of the circular through hole, by screwing adjustment
End cap, the front end face of cone bearing before making the rear end face of adjustment end cap hold out against perforation axis, after cone bearing before perforation axis and perforation axis
Cone bearing is pre-tightened.
O-shaped rubber seal is provided between circular through hole on adjustment end cap and cylindrical gear shell for preventing oil leak.
There are round nut and floor clip to be arranged in drive bevel gear between cylinder roller bearing and II grade of driven cylindrical gear
Gear shaft on, after drive bevel gear is engaged with driven wheel of differential, drive bevel gear is locked by round nut and floor clip.
There are one every the tooth for being set on drive bevel gear between II grade of driven cylindrical gear and I grade of driven cylindrical gear
On wheel shaft.
Compared with prior art the beneficial effects of the invention are as follows：
A kind of electricity proposed by the invention drives two grades of speed reducer assemblies of bridge, is designed using integrated form, effectively reduces power biography
Dynamic system longitudinal size reserves more useful spaces for vehicle battery arrangement, facilitates vehicle refitting；It is designed using two grades, it can root
The fluid drive between high and low shift is needed according to vehicle, can effectively reduce the cost and weight of system, and according to two gear ratios
The efficiency MAP of driving motor can be optimized, driving motor is made to always work in high efficiency range, energy saving 10%~15%；Root
According to driving motor to rotating speed high response speed, high-precision feature, two grades of speed reducer assemblies are directly changed using electric machine speed regulation tooth set
Mark structure has many advantages, such as simple in structure, dependable performance, at low cost；Provided with oil temperature sensor, lubricating oil temperature is detected in real time
Degree, compensates gear shift motor driving force according to the viscosity-temperature characteristics of lubricating oil, effectively improves gear shift success rate and ride comfort.
Description of the drawings
The present invention will be further described below with reference to the drawings：
Fig. 1 is that a kind of electricity of the present invention drives two grades of speed reducer assemblies of bridge and external axle case assy, driving motor are total
At scheme of installation.
Fig. 2 is the external structure schematic diagram that a kind of electricity of the present invention drives two grades of speed reducer assemblies of bridge；
Fig. 3 is fluid drive and actuating mechanism assembly in a kind of electricity drive two grades of speed reducer assemblies of bridge of the present invention
Structural schematic diagram；
Fig. 4 is fluid drive and actuating mechanism assembly in a kind of bright described electricity drive two grades of speed reducer assemblies of bridge of we
Scheme of installation；
Fig. 5 is the structural representation sectional view that a kind of electricity of the present invention drives two grades of speed reducer assemblies of bridge；
Fig. 6 is differential assembly and two grades of reducing gearboxes in a kind of electricity drive two grades of speed reducer assemblies of bridge of the present invention
The structural representation sectional view of connection；
Fig. 7 is the Automatic Shift Control flow chart that a kind of electricity of the present invention drives two grades of speed reducer assemblies of bridge；
In figure：1. fluid drive and actuating mechanism assembly, 2. speed probes, 3. oil temperature sensors, 4. two grades of retarders
Assembly, 1-1. automatic gear shift actuating mechanism assemblies, 1-2. self-locking spring assemblies, 1-3. selector fork assemblies, 1-4. gear shift tooth sets,
Two grades of reducing gearboxes of 4-1., 4-2. penetrate through axis, and 4-3. penetrates through cone bearing after axis, the first needle bearings of 4-4., I grade of active circle of 4-5.
Stud wheel, 4-6. toothholders, I grade of active roller gear of 4-7., 4-8. bushings, the second needle bearings of 4-9., 4-10. baffle rings, 4-11.
Cone bearing before perforation axis, 4-12. adjust end cap, 4-13.O type rubber seal, 4-14. cylindrical gear shells, 4-15. cylindrical rollers
Bearing, 4-16. round nuts and floor clip, II grade of driven cylindrical gear of 4-17., 4-18. spacers, I grade of driven Cylinder Gear of 4-19.
It takes turns, cone bearing before 4-20. drive bevel gears, cone bearing after 4-21. drive bevel gears, 4-22. drive bevel gears, 4-23. is driven
Bevel gear, 4-24. differential assemblies, 4-25. differential bearings, 4-26. differential bearing lids, the adjustment of 4-27. differential bearings
Ring.
Specific implementation mode
The present invention is explained in detail below in conjunction with the accompanying drawings：
A kind of electricity drive two grades of speed reducer assemblies of bridge, including fluid drive and actuating mechanism assembly 1, speed probe 2, oil temperature
Sensor 3 and two grades of speed reducer assemblies 4, two grades of speed reducer assemblies 4 include two grades of reducing gearbox 4-1, two grades of reducing gearboxes
The front ends 4-1 are closed by cylindrical gear shell 4-14 lids, and input shafting and intermediate shaft system, input are provided in two grades of reducing gearbox 4-1
Shafting is connected with intermediate shaft system, intermediate shaft system and the output coupling of shaft system that the rear outside two grades of reducing gearbox 4-1 is arranged, automatically
Shift and actuating mechanism assembly 1 and input coupling of shaft system；
As shown in figure 4, input shafting includes a perforation axis 4-2, the rear end of perforation axis 4-2 passes through two grades of reducing gearbox 4-
1 with the output axis connection of external driving motor, the middle and back of perforation axis 4-2 is supported on two by cone bearing 4-3 after penetrating through axis
On shelves reducing gearbox 4-1, the front end of perforation axis 4-2 is supported on by cone bearing 4-11 before penetrating through axis on cylindrical gear shell 4-14,
There is I grade of active roller gear 4-5 and II respectively from front to back between cone bearing 4-11 before cone bearing 4-3 and perforation axis after perforation axis
Shelves active roller gear 4-7 settings on perforation axis 4-2, I grade of active roller gear 4-5 and II grade of active roller gear 4-7 it
Between there are one toothholder 4-6 to be fixedly connected on perforation axis 4-2 by spline；I grade of active roller gear 4-5 and perforation axis 4-2 it
Between be provided between the first needle bearing 4-4, II grade of active roller gear 4-7 and perforation axis 4-2 and be disposed with from outside to inside
Second needle bearing 4-9 and bushing 4-8, the first needle bearing and 4-4 the second needle bearing 4-9 can be opposite in off working state
Rotation；There are one baffle ring 4-10 settings in perforation axis between cone bearing 4-11 before II grade of active roller gear 4-7 and perforation axis
On 4-2；It is located on cylindrical gear shell 4-14 in front of perforation axis 4-2 front end faces and opens there are one tapped circular through hole,
The screw-internal thread fit of the external screw thread and the circular through hole of one adjustment end cap 4-12 makes adjustment end cap 4-12 screw in the circular through hole
In, by screwing adjustment end cap 4-12, the front end face of cone bearing 4-11 before making the rear end face of adjustment end cap 4-12 hold out against perforation axis,
Cone bearing 4-3 after cone bearing 4-11 before perforation axis and perforation axis is pre-tightened.Adjust end cap 4-12 and cylindrical gear shell 4-14
On circular through hole between be provided with O-shaped rubber seal 4-13 for preventing oil leak herein.
As shown in figure 4, intermediate shaft system includes a drive bevel gear 4-22, the gear shaft of drive bevel gear 4-22 is set forward
It sets, the gear shaft of drive bevel gear 4-22 passes through cone bearing 4-21 branch after cone bearing 4-20 before drive bevel gear and drive bevel gear
On two grades of reducing gearbox 4-1, the front end of the gear shaft of drive bevel gear 4-22 is supported on by cylinder roller bearing 4-15 for support
On cylindrical gear shell 4-14, II grade of driven cylindrical gear 4-17 and I grade are fixedly installed on the gear shaft of drive bevel gear 4-22
Driven cylindrical gear 4-19, I grade of driven cylindrical gear 4-19 and II grade of driven cylindrical gear 4-17 pass through spline and initiative taper
Gear 4-22 connections are used for passing power, have one between II grade of driven cylindrical gear 4-17 and I grade of driven cylindrical gear 4-19
A spacer 4-18 is arranged on the gear shaft of drive bevel gear 4-22.II grade of driven cylindrical gear 4-17 and II grade of active Cylinder Gear
4-7 engagements are taken turns, I grade of driven cylindrical gear 4-19 is engaged with I grade of active roller gear 4-5；
Output shafting includes driven wheel of differential 4-23 and differential assembly 4-24, and differential assembly 4-24 selects the prior art
In conventional differential mechanism, driven wheel of differential 4-23 engages with drive bevel gear 4-22, cylinder roller bearing 4-15 and II grade from
There are round nut and floor clip 4-16 to be arranged on the gear shaft of drive bevel gear 4-22 between dynamic roller gear 4-17, initiative taper
After gear 4-22 is engaged with driven wheel of differential 4-23, drive bevel gear 4-22 is locked by round nut and floor clip 4-16.
Differential assembly 4-24 is assemblied in by two differential bearing 4-25 and differential bearing lid 4-26 outside two grades of reducing gearbox 4-1
Portion rear, and differential bearing 4-25 is pre-tightened by adjusting ring of differential mechanism 4-27, left half in differential assembly 4-24
The left half axle that shaft gear drives bridge with electricity is connect by spline, and the right axle shaft gear in differential assembly 4-24 drives right the half of bridge with electricity
Axis is attached by spline.
As shown in figure 3, fluid drive and actuating mechanism assembly 1 are selected and first use fluid drive and execution most conventional in technology
Mechanism, fluid drive and actuating mechanism assembly 1 include fluid drive actuating mechanism assembly 1-1, self-locking spring assembly 1-2, gear shift
Shifting fork assembly 1-3 and gear shift tooth cover 1-4, and fluid drive actuating mechanism assembly 1-1 is carried out by bolt and two grades of reducing gearbox 4-1
Assembly；Self-locking spring assembly 1-2 is assembled by screw thread and two grades of reducing gearbox 4-1；Selector fork assembly 1-3 passes through shift fork
Axis is assembled with two grades of reducing gearbox 4-1 and cylindrical gear shell 4-14 clearance fits respectively, makes selector fork assembly 1-3 that can axially move
It is dynamic；Coordinated by free-sliding spline and toothholder 4-6 as shown in figure 4, gear shift tooth covers 1-4, is axially movable realization gear shift；
Speed probe 2 is fixed on two grades of sides reducing gearbox 4-1, and gauge head axis passes through I grade of active roller gear 4-5
Axis, for measuring its rotating speed；Oil temperature sensor 3, in two grades of sides reducing gearbox 4-1, and ensures oil temperature by Screw assembly
The side head of sensor 3 immerses always under each operating mode in the lubricating oil in two grades of reducing gearbox 4-1, detects lubricating oil temperature in real time
Degree, compensates berth-changing strength according to the viscosity-temperature characteristics of lubricating oil.
It is that a kind of heretofore described electricity drives two grades of speed reducer assemblies of bridge and axle case assy, driving motor as shown in Figure 1
The scheme of installation of assembly, the A in Fig. 1 are that a kind of electricity of the present invention drives two grades of speed reducer assemblies of bridge, and B is axle case assy, C
For driving motor assembly.
Two grades of speed reducer assemblies are provided with three gears altogether, are I grade, II grade and neutral gear respectively, when vehicle start is driven a vehicle
When, gear need to be hung by neutral gear to I grade, and driving motor is by penetrating through axis 4-2, toothholder 4-6 drive gear shift tooth set 1-4 low speed rotations at this time
Dynamic, oil temperature sensor 3 obtains oil temperature information and carries out berth-changing strength compensation calculation, and TCU sends out instruction to gear shifting motor, and fluid drive is held
Row mechanism assembly 1-1 stirs selector fork assembly 1-3 and gear shift tooth set 1-4 is driven to hang to I grade of active roller gear 4-5, and passes through
Self-locking spring assembly 1-2 locks gear, completes gear shift, driving motor is by power by penetrating through axis 4-2, toothholder 4-6, gear shift tooth
Cover 1-4, I grade of active roller gear 4-5, I grade of driven cylindrical gear 4-19, drive bevel gear 4-22, driven wheel of differential 4-23, difference
Fast device assembly 4-24 and left and right semiaxis are finally transmitted to wheel；With the raising of speed, gear need to be hung to II grade, at this time by I grade
Driving motor is introduced into servo-actuated state, and TCU sends out instruction to gear shifting motor, and fluid drive actuating mechanism assembly 1-1 stirs gear shift
Shifting fork assembly 1-3 drives gear shift tooth set 1-4 to hang to neutral position, while speed probe 2 monitors I grade of active roller gear 4-5
Rotating speed, calculate the rotating speed of II grade of active roller gear 4-7 by speed ratio relationship, and pass through as rotating speed of target and drive electricity
Machine adjusts the rotating speed of gear shift tooth set 1-4, and when speed discrepancy, which meets gear shift, to be needed, oil temperature sensor 3 obtains oil temperature information and changed
Shelves force compensating calculates, and TCU sends out instruction to gear shifting motor, and fluid drive actuating mechanism assembly 1-1 stirs selector fork assembly 1-3
It drives gear shift tooth set 1-4 to hang to II grade of active roller gear 4-7, and is locked gear by self-locking spring assembly 1-2, complete to change
Shelves, driving motor by power by penetrate through axis 4-2, toothholder 4-6, gear shift tooth cover 1-4, II grade of active roller gear 4-7, II grade from
Dynamic roller gear 4-17, drive bevel gear 4-22, driven wheel of differential 4-23, differential assembly 4-24 and left and right semiaxis finally transmit
To wheel；Similarly, when vehicle needs the when of being hung from II grade to I grade that can also realize.
Claims (7)
1. a kind of electricity drives two grades of speed reducer assemblies of bridge, which is characterized in that including fluid drive and actuating mechanism assembly (1), rotating speed
Sensor (2), oil temperature sensor (3) and two grades of speed reducer assemblies (4), two grades of speed reducer assemblies (4) include one two grades and slow down
Device shell (4-1), two grades of reducing gearboxes (4-1) are interior to have lubricating oil, two grades of reducing gearbox front ends (4-1) to pass through cylindrical gear shell (4-
14) lid closes, and input shafting and intermediate shaft system are provided in two grades of reducing gearboxes (4-1), and input shafting is connected with intermediate shaft system, in
Between third shafting of the shafting with setting at the external rear of two grades of reducing gearboxes (4-1) export coupling of shaft system, self shifter and hold
Row mechanism assembly (1) and input coupling of shaft system；
It inputs shafting and includes a perforation axis (4-2), the rear end of perforation axis (4-2) passes through two grades of reducing gearboxes (4-1) and outside
Driving motor output axis connection, the middle and back of perforation axis (4-2) is supported on two grades and is subtracted by cone bearing (4-3) after penetrating through axis
On fast device shell (4-1), the front end of perforation axis (4-2) is supported on cylindrical gear shell (4-14) by cone bearing (4-11) before penetrating through axis
On, penetrating through after axis cone bearing (4-3) and penetrating through before axis has I grade of active roller gear between cone bearing (4-11) respectively from front to back
(4-5) and II grade of active roller gear (4-7) setting are on perforation axis (4-2), I grade of active roller gear (4-5) and II grade of master
There are one toothholders (4-6) between dynamic roller gear (4-7) is fixedly connected on by spline on perforation axis (4-2)；
Intermediate shaft system includes a drive bevel gear (4-22), and the gear shaft of drive bevel gear (4-22) is arranged forward, initiative taper
The gear shaft of gear (4-22) is supported by cone bearing (4-21) after cone bearing before drive bevel gear (4-20) and drive bevel gear
On two grades of reducing gearboxes (4-1), the front end of the gear shaft of drive bevel gear (4-22) is propped up by cylinder roller bearing (4-15)
Support is fixedly installed II grade of driven cylindrical gear in cylindrical gear shell (4-14) on the gear shaft of drive bevel gear (4-22)
(4-17) and I grade of driven cylindrical gear (4-19), II grade of driven cylindrical gear (4-17) are nibbled with II grade of active roller gear (4-7)
It closes, I grade of driven cylindrical gear (4-19) is engaged with I grade of active roller gear (4-5)；
Output shafting includes driven wheel of differential (4-23) and differential assembly (4-24), driven wheel of differential (4-23) and active conical tooth
(4-22) engagement is taken turns, the differential casing in differential assembly (4-24) passes through two differential bearings (4-25), two differentials
Device bearing cap (4-26) and two adjusting ring of differential mechanism (4-27) supports are assemblied in the external rear of two grades of reducing gearboxes (4-1), poor
The left half axle that left half axle gear in fast device assembly (4-24) drives bridge with electricity is connect by spline, in differential assembly (4-24)
The right axle shaft that right axle shaft gear drives bridge with electricity is attached by spline.
Fluid drive and actuating mechanism assembly (1) include fluid drive actuating mechanism assembly (1-1), self-locking spring assembly (1-2),
Selector fork assembly (1-3) and gear shift tooth set (1-4), fluid drive actuating mechanism assembly (1-1) are slowed down by bolt and two grades
Device shell (4-1) is assembled；Self-locking spring assembly (1-2) is assembled by screw thread and two grades of reducing gearboxes (4-1)；Gear shift is dialled
It pitches assembly (1-3) to assemble with two grades of reducing gearboxes (4-1) and cylindrical gear shell (4-14) clearance fit respectively by shift fork axle, make
Shelves shifting fork assembly (1-3) is axially movable；Gear shift tooth set (1-4) is coordinated by free-sliding spline and toothholder (4-6), is axially movable
Realize gear shift；
Speed probe (2) is fixed on two grades of reducing gearbox (4-1) sides, and the gauge head axis of speed probe (2) passes through I grade of master
The axis of dynamic roller gear (4-5), for measuring its rotating speed；Oil temperature sensor (3) is by Screw assembly in two grades of reducing gearboxes
The side (4-1), and ensure that the gauge head of oil temperature sensor (3) immerses always the profit in two grades of reducing gearboxes (4-1) under each operating mode
In lubricating oil, lubricating oil temperature is detected in real time.
2. a kind of electricity according to claim 1 drives two grades of speed reducer assemblies of bridge, which is characterized in that I grade of active roller gear
The first needle bearing (4-4), II grade of active roller gear (4-7) and perforation axis are provided between (4-5) and perforation axis (4-2)
The second needle bearing (4-9) and bushing (4-8) are disposed between (4-2) from outside to inside.
3. a kind of electricity according to claim 1 drives two grades of speed reducer assemblies of bridge, which is characterized in that in II grade of active Cylinder Gear
There are one baffle ring (4-10) settings on perforation axis (4-2) between cone bearing (4-11) before wheel (4-7) and perforation axis.
4. a kind of electricity according to claim 1 drives two grades of speed reducer assemblies of bridge, which is characterized in that in cylindrical gear shell (4-
14) it is located in front of perforation axis (4-2) front end face and opens there are one tapped circular through hole, one adjusts end cap (4-12)
The screw-internal thread fit of external screw thread and the circular through hole so that adjustment end cap (4-12) is screwed in the circular through hole, by screwing adjustment
End cap (4-12), the front end face of cone bearing (4-11) before making the rear end face of adjustment end cap (4-12) hold out against perforation axis, to penetrating through axis
Cone bearing (4-3) is pre-tightened after preceding cone bearing (4-11) and perforation axis.
5. it is according to claim 4 it is a kind of electricity drive two grades of speed reducer assemblies of bridge, which is characterized in that adjustment end cap (4-12) with
O-shaped rubber seal (4-13) is provided between circular through hole in cylindrical gear shell (4-14) for preventing oil leak.
6. a kind of electricity according to claim 1 drives two grades of speed reducer assemblies of bridge, which is characterized in that cylinder roller bearing (4-
15) round nut and floor clip (4-16) are arranged at drive bevel gear (4-22) between II grade of driven cylindrical gear (4-17)
Gear shaft on, after drive bevel gear (4-22) is engaged with driven wheel of differential (4-23), pass through round nut and floor clip (4-
16) drive bevel gear (4-22) is locked.
7. a kind of electricity according to claim 1 drives two grades of speed reducer assemblies of bridge, which is characterized in that in II grade of driven Cylinder Gear
Tooth of spacer (4-18) setting in drive bevel gear (4-22) there are one taking turns between (4-17) and I grade of driven cylindrical gear (4-19)
On wheel shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810693499.7A CN108662092A (en) | 2018-06-29 | 2018-06-29 | A kind of electricity drive two grades of speed reducer assemblies of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810693499.7A CN108662092A (en) | 2018-06-29 | 2018-06-29 | A kind of electricity drive two grades of speed reducer assemblies of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108662092A true CN108662092A (en) | 2018-10-16 |
Family
ID=63773306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810693499.7A Pending CN108662092A (en) | 2018-06-29 | 2018-06-29 | A kind of electricity drive two grades of speed reducer assemblies of bridge |
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| Country | Link |
|---|---|
| CN (1) | CN108662092A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466296A (en) * | 2018-11-30 | 2019-03-15 | 汽解放汽车有限公司 | A kind of center integrated form bi-motor dual reducer electric drive axle assembly |
| CN109695686A (en) * | 2018-12-07 | 2019-04-30 | 一汽解放汽车有限公司 | A kind of drive axle double speed decelerator structure of bi-bevel gear |
| CN109915491A (en) * | 2019-03-15 | 2019-06-21 | 安徽瑞吉安新能源汽车科技有限公司 | One kind being used for two speed transmission bearing position limiting structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109466296A (en) * | 2018-11-30 | 2019-03-15 | 汽解放汽车有限公司 | A kind of center integrated form bi-motor dual reducer electric drive axle assembly |
| CN109466296B (en) * | 2018-11-30 | 2023-11-17 | 一汽解放汽车有限公司 | Central integrated double-motor double-reducer electric drive axle assembly |
| CN109695686A (en) * | 2018-12-07 | 2019-04-30 | 一汽解放汽车有限公司 | A kind of drive axle double speed decelerator structure of bi-bevel gear |
| CN109695686B (en) * | 2018-12-07 | 2024-02-23 | 一汽解放汽车有限公司 | Driving axle double-speed reducer structure with double bevel gears |
| CN109915491A (en) * | 2019-03-15 | 2019-06-21 | 安徽瑞吉安新能源汽车科技有限公司 | One kind being used for two speed transmission bearing position limiting structure |
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Application publication date: 20181016 |