CN207634644U - A kind of main reducing gear band differential assembly for independent suspension - Google Patents
A kind of main reducing gear band differential assembly for independent suspension Download PDFInfo
- Publication number
- CN207634644U CN207634644U CN201721729938.2U CN201721729938U CN207634644U CN 207634644 U CN207634644 U CN 207634644U CN 201721729938 U CN201721729938 U CN 201721729938U CN 207634644 U CN207634644 U CN 207634644U
- Authority
- CN
- China
- Prior art keywords
- gear
- reducer shell
- differential assembly
- shaft
- planetary gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Retarders (AREA)
Abstract
The utility model discloses a kind of main reducing gear band differential assembly, including：Reducer shell and driving gear, differential assembly and driven gear in reducing gearbox body.The front end of reducer shell is equipped with the first mounting surface, and the both sides of reducer shell are equipped with the second mounting surface.The external part of driving gear is equipped with the spline being connect with motor.Differential assembly is rotatably disposed in reducing gearbox body, including：Differential casing, planetary gear shaft, a pair of of planetary gear, a pair of of axle shaft gear.Axle shaft gear inner ring is connected with semiaxis, and semiaxis is stretched out from reducer shell, and external part is equipped with hubbed flange.Driven gear is sleeved on the peripheral surface of differential casing and engages connection with driving gear.The utility model can mitigate the total quality of vehicle, reduce unsprung mass, discharge chassis space.Independent suspension structure may be used in vehicle, is very easily arranged as a variety of driving patterns such as preposition forerunner, front-engine rear-drive, postposition rear-guard.
Description
Technical field
The utility model is related to commercial car power train main gearbox assemblies, and in particular to a kind of master for independent suspension
Retarder band differential assembly.
Background technology
As the country continues to increase the support dynamics of pure electric automobile and the constantly improve of complete sets of basic equipment facility, pure electric vehicle
Automobile faces good opportunity to develop, urban bus, the commercial car such as car and city logistics vehicle that commute pure electric vehicleization
As trend.
While pure electric automobile fast development, the performance requirement of pure electric automobile is also improving year by year in country, so
And domestic pure electric vehicle commercial car most of at this stage still follows traditional chassis arrangement, i.e.,：Motor is fixed on vehicle frame,
Using independent rear axle assy, using transmission axis connection between motor and rear axle.There are chassis weights to lay particular stress on for this arrangement,
Many unfavorable factors such as unsprung mass is big, battery compartment arrangement space is small, in turn result in vehicle course continuation mileage and have been difficult to very big breakthrough.
To be up to state standards, being promoted vehicle technical merit, use is compact-sized, quality is lighter, independent suspension driving
Structure configuration is a kind of good solution.
Utility model content
To be solved in the utility model is that pure electric vehicle commercialization chassis is arranged as motor and is fixed on vehicle frame, using independent
With transmission axis connection between rear axle assy, motor and rear axle, to cause chassis weight to lay particular stress on, unsprung mass is big, battery compartment cloth
Small technical problem between emptying.
The utility model provides a kind of main reducing gear band differential assembly for independent suspension, the main reducing gear of the utility model
It is connected with vehicle frame by the mounting surface of bevel housing both sides with differential assembly, alleviates chassis weight, reduces under spring
Quality；Driving gear shaft of the main reducing gear of the utility model with differential assembly is connected by spline with motor output end, and motor is straight
It connects and is fixed on this main reducing gear band differential assembly, eliminate the transmission shaft between motor and rear axle, discharge chassis space.
The technical solution adopted in the utility model is：
A kind of main reducing gear band differential assembly for independent suspension, which is characterized in that including：
The front end of reducer shell, the reducer shell is equipped with the first mounting surface and the first mounting hole；Reducer shell
Both sides be equipped with the second mounting surface and the second mounting hole；
Driving gear, the driving gear are set to by the rotation of inside and outside bearing in reducing gearbox body comprising teeth portion and axis
Portion, axle portion are stretched out from the first mounting surface, and external part is equipped with spline；
Differential assembly, the differential assembly are rotatably disposed in reducing gearbox body comprising：Differential casing and
Planetary gear shaft, a pair of symmetrically arranged planetary gear in differential carrier body and a pair of symmetrically arranged half axle gear
Wheel；
The left and right ends of differential casing are set to by bearing rotary in reducing gearbox body；The left and right sides of differential casing
Equipped with axle shaft gear mounting hole, the peripheral surface of differential casing is equipped with gear mounting portion；
Planetary gear shaft is arranged in parallel with driving gear shaft, and both ends are each passed through planetary gear inserting and are fixed on differential mechanism
In shell, planetary gear can be rotated around planetary gear shaft；
Axle shaft gear includes neck and teeth portion, and axle shaft gear is installed in rotation on axle shaft gear mounting hole by its neck
Interior, teeth portion is engaged with planetary gear；
Two symmetrically arranged semiaxis, two semiaxis set up separately in the both sides of planetary gear shaft and are in cross with planetary gear shaft
Intersect, one end of semiaxis is connect by spline with axle shaft gear, and the other end passes through differential casing to be set to by bearing rotation
In reducing gearbox body, and extended out from the second mounting surface of reducer shell；
Two symmetrically arranged hubbed flanges, hubbed flange are fixedly set in two and half by spline and locking nut respectively
The external part of axis；
Driven gear, the driven gear are sleeved on the gear mounting portion of differential casing and engage company with driving gear
It connects.
Further, adjustment spacer ring is equipped between the inside and outside bearing of the driving gear, the both ends for adjusting spacer ring are supported respectively
Inner, outer bearing inner ring.The pretightning force that inside and outside bearing is adjusted by adjusting the thickness of spacer ring, to improve driving gear shaft
Rotating accuracy, promote the performance of the main inside and outside bearing of tooth, strengthen the rigidity of driving gear shaft and improve it and use the longevity
Life, while reducing noise.
Further, the outside of the bearing of the differential casing be equipped with adjusting nut and locking plate, adjusting nut by with
Adjusting nut is inserted into one end of screw thread lock shaft bearing outer-ring between reducer shell, locking plate, and the other end, which is bolted on, to be subtracted
On fast device shell.The pretightning force of bearing is adjusted by adjusting nut, locking plate, which fixes adjusting nut, prevents it from being rotated using process.
Further, the plane of rotation of the planetary gear, axle shaft gear and differential casing is equipped with anti-attrition gasket.Anti-wear gasket
Piece is used to reduce the friction between planetary gear, axle shaft gear and reducer shell, improves the wearability of entire differential assembly.
Further, the first oil sealing is equipped between the driving gear shaft and reducer shell；The hubbed flange with subtract
The second oil sealing is equipped between fast device shell.The friction of driving member is reduced, main reducing gear band differential assembly can fill profit in use
Lubricating oil, lubricating oil leaks stem seal design between centers in order to prevent.
Further, the outside of second oil sealing is equipped with dust cover.The setting of dust cover prevent the foreign matters such as water, silt into
Enter oil sealing, causes oil seal failure.
Further, the reducer shell further includes reducer shell end cap, reducer shell end cap by bolt with
Reducer shell connects, and reducer shell surrounds the sky for accommodating differential assembly and active and passive gear with reducer shell end cap
Chamber.The design of reducer shell end cap is easy to disassemble, easy access and the replacement of lubricating oil.
The beneficial effects of the utility model：
1, after by the way that main reducing gear band differential assembly one independent integral unit of composition and driving motor are directly connected to
It is fixed on vehicle chassis, transmission vehicle is changed to sprung mass with quality of the main reducing gear with differential assembly, is promoted whole
The ride comfort and comfort level of vehicle traveling.
2, vehicle can be made to use independent suspension structure using the utility model, cancels the axle case assy of transmission driving rear axle, into one
Step mitigates unsprung mass, promotes the ride performance and passability of vehicle.
3, using the utility model, releasable chassis space facilitates the arrangement and battery pack quantity of pure electric vehicle Vehicular battery group
Increase.
4, the main reducing gear of the utility model can easily be arranged in front (preposition forerunner's type of vehicle with differential assembly
Formula), the rear (front-engine rear-drive pattern or postposition rear-guard pattern) of vehicle.
Description of the drawings
Fig. 1 is a kind of front view of embodiment of the utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the sectional view along the directions A-A of Fig. 1.
Fig. 4 is partial enlarged view at the B of Fig. 3.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
The technical solution of type is clearly and completely described.
The meaning of "and/or" described in the utility model refers to the case where respective individualism or both exists simultaneously
In being included in.
The meaning of " inside and outside " described in the utility model is referred to relative to equipment itself, inside sensing equipment
Direction be it is interior, otherwise is outer.
The utility model that the meaning of " front end, both sides, left end, right end " described in the utility model refers to is used in Fig. 3's
Shown in position, one end upward is " front end ", is left side (left end) towards left side, is right side (right end) towards right side.
Refering to fig. 1~Fig. 4, a kind of main reducing gear band differential assembly 1 for independent suspension, including：Reducer shell
100 and the driving gear 200, differential assembly 300 and the driven gear 400 that are arranged in reducer shell 100.
The front end (upper end shown in Fig. 3) of reducer shell 100 is equipped with the first mounting surface 101 and the first mounting hole 102, the
One mounting surface 101 is flange face compatible with motor front mounting surface, and the first mounting hole 102 is circumferentially equipped on flange face,
First mounting hole 102 is threaded hole, and the first mounting hole 102 is all provided with that there are four (referring to Fig. 2) in the present embodiment.Implement in others
In example, it can be also equipped with according to the weight of motor and corresponding threaded hole is set.First mounting hole 102 is for before being fixedly connected with motor
End face.The both sides (left and right sides of Fig. 3) of reducer shell 100 are equipped with the second mounting surface 103 and the second mounting hole 104；Second
Mounting hole 104 is threaded hole, and four are arranged in the present embodiment, also can be according to main reducing gear band differential mechanism in other embodiments
The quantity and arrangement mode of corresponding second mounting hole of weight configuration of assembly and connection motor.Main reducing gear band differential assembly
1 is fixedly connected by the second mounting surface 103, the second mounting hole 104 with vehicle frame.Reducer shell 100 is equipped with the second mounting surface 103
Both ends protrude outward and extend into cylindric retarder axle bearing mount portion 110, the inside of retarder axle bearing mount portion 110 is by interior
It is axially arranged with first through hole 105, the second through-hole 106 successively outward.
Reducer shell end cap 110 is connected by bolt and reducer shell 100.It is also set on reducer shell end cap 110
It is useful for being perfused or discharging the oil stifled 120 of lubricating oil.Reducer shell end cap 110 surrounds receiving actively with reducer shell 100
The teeth portion 201a of gear 200, the cavity of differential assembly 300 and driven gear 400.
Driving gear 200 is set to by inner bearing 206, the rotation of outer bearing 204 in reducer shell 100.Driving gear packet
Teeth portion 201a and axle portion 201b is included, axle portion 201b sequentially passes through inner bearing 206, adjustment spacer ring 205, outer bearing 204 from inside to outside
It stretches out from the first mounting surface 101, and is locked in reducer shell 100 by seat ring 203, locking nut 202.Seat ring 203
Equipped with the internal thread being threadedly coupled with axle portion 201b, the first oil sealing 203 is equipped between seat ring 203 and reducer shell 100.Axle portion
201 external part is equipped with spline 2011, and spline 2011 is used to connect the output shaft of motor.Inner bearing 206, outer in the present embodiment
Bearing 204 is single-row tapered roller bearing, and adjustment spacer ring 205 is the steel bushing of the open at both ends of variable diameters, one end of steel bushing against
The inner ring of inner bearing 206, inner ring of the other end against outer bearing 204.
Differential assembly 300 includes：Differential casing 310, planetary gear shaft 320, a pair of of planetary gear 330 and one and half
Shaft gear 350.
The left and right ends of differential casing 300 protrude outward to form cylindric differential bearing mounting portion 301, bearing
341 are sleeved on differential bearing mounting portion 301 and in first through hole 105, cartridge housing are arranged with (in figure not outside bearing 341
Show) in, the outer end face pressing of the outer ring of bearing 341 has adjusting nut 342.Adjusting nut 342 is in the sleeve-shaped of bottom surface trepanning,
Its peripheral surface is equipped with external screw thread, and first through hole 105 is equipped with associated internal thread, and adjusting nut 342 passes through screw fastening mandrel
The outer ring for holding 341, to adjust the pretightning force of bearing 341.Cartridge housing is fixedly mounted in first through hole 105, the end of cartridge housing
Face is equipped with an inclined-plane with boss, is threaded hole on inclined-plane, one end of locking plate 343 is mounted by means of bolts on cartridge housing
On the threaded hole on inclined-plane, the other end is inserted into adjusting nut 342 to prevent bearing 341 from being rotated using process.In this implementation
In example, locking plate 343 is a L-shaped steel disc, and L-shaped short side is inserted into adjusting nut 342, and long side is mounted by means of bolts on
On the threaded hole of cartridge housing, locking plate 343 has certain rigidity for preventing its deformation.Bearing 341 is single-row tapered roller bearing.
The left and right sides of differential casing 300 is equipped with pinion mounting holes 302, and the peripheral surface of differential casing 300 projects radially outwardly shape
At the circular gear mounting surface 303 concentric with semiaxis 340.
The both ends of planetary gear shaft 320 are fixed on by the inserting of fixed pin (not shown) can in reducer shell 100
It is rotated synchronously with reducer shell 100, planetary gear shaft 320 is arranged in parallel with driving gear 200, and planetary gear 330 is sleeved on
The both ends of planetary gear shaft 320, planetary gear 330 and 320 clearance fit of planetary gear shaft, planetary gear 330 can be around planet tooth
Wheel shaft 320 rotates.Anti-attrition gasket is equipped between planetary gear 330 and the plane of rotation of reducer shell 100.
Axle shaft gear 350 includes neck and teeth portion, and the neck of axle shaft gear 350 is installed in rotation on pinion mounting holes
In 302, teeth portion can two-by-two be engaged with planetary gear 330.It is set between axle shaft gear 350 and the plane of rotation of reducer shell 100
There is anti-attrition gasket.
Two semiaxis 340 set up separately in the both sides of planetary gear shaft 320 and are in right-angled intersection, semiaxis with planetary gear shaft 320
340 one end is connect by spline with axle shaft gear 350, and the other end passes through differential casing 100 to pass through 351 turns of zanjon bearing
It is dynamic to be set in the second through-hole 106 of reducer shell, and extended out from the second mounting surface 103 of reducer shell, external part
Equipped with spline.Zanjon bearing 320 is single-row ball-bearing in the present embodiment.
Two hubbed flanges 360 are fixedly set in the stretching of two semiaxis 340 by spline and locking nut 361 respectively
End；Its neck is located in the second through-hole 106.The second oil sealing 362, the second oil are equipped between hubbed flange 360 and reducer shell 100
The outside of envelope 362 is equipped with dust cover 363.
Driven gear 400 is bolted on circular gear mounting surface 303, driven gear 400 and driving tooth
200 engagement connection of wheel.
When the utility model is used, driving motor is first mounted on first installation of the main reducing gear with differential assembly front end
On face 101, motor output shaft is connect with the spline 2011 of driving gear axle portion 201；It will be mounted with the main reducing gear of driving motor
It is mounted on vehicle frame by the second mounting surface 103 of its both sides with differential assembly 1；By main reducing gear with differential assembly 1
Two hubbed flanges 360 are connected with the universal drive shaft of wheel.
When vehicle straight-line travelling, motor drives driving gear 200 to rotate, and driving gear 200 drives 400 turns of driven gear
Dynamic, driven gear 400 drives the revolution in bevel housing 100 of differential assembly 300, planetary gear 330 to be engaged both sides
The revolution in the reducer shell 100 with differential assembly 300 of axle shaft gear 350, two semiaxis 340 are by universal joint by power
And torque passes to wheel, and wheel is driven to rotate.
When vehicle is turned, planetary gear 330 generates rotation, and planetary gear 330 is by the rotating speed of revolution and its rotating speed of autobiography
Outboard wheels are passed to by axle shaft gear 350, semiaxis 340, universal joint, the rotating speed of outboard wheels is more than turning for inboard wheel
Speed realizes that vehicle is smoothly turned.
It is the prior art not do the part illustrated in upper specification, or can be realized by the prior art.
Claims (7)
1. a kind of main reducing gear band differential assembly for independent suspension, which is characterized in that including：
The front end of reducer shell, the reducer shell is equipped with the first mounting surface and the first mounting hole；The two of reducer shell
Side is equipped with the second mounting surface and the second mounting hole；
Driving gear, the driving gear are set to by the rotation of inside and outside bearing in reducing gearbox body comprising teeth portion and axle portion,
Axle portion is stretched out from the first mounting surface, and external part is equipped with spline；
Differential assembly, the differential assembly are rotatably disposed in reducing gearbox body comprising：Differential casing and installation
Planetary gear shaft, a pair of symmetrically arranged planetary gear in differential carrier body and a pair of symmetrically arranged axle shaft gear；
The left and right ends of differential casing are set to by bearing rotary in reducing gearbox body；The left and right sides of differential casing is equipped with
The peripheral surface of axle shaft gear mounting hole, differential casing is equipped with gear mounting portion；
Planetary gear shaft is arranged in parallel with driving gear shaft, and both ends are each passed through planetary gear inserting and are fixed on differential casing
Interior, planetary gear can be rotated around planetary gear shaft；
Axle shaft gear includes neck and teeth portion, and axle shaft gear is installed in rotation on by its neck in axle shaft gear mounting hole,
Its teeth portion is engaged with planetary gear；
Two symmetrically arranged semiaxis, two semiaxis set up separately in the both sides of planetary gear shaft and are handed in cross with planetary gear shaft
Fork, one end of semiaxis are connect by spline with axle shaft gear, and the other end, which is set to across differential casing by bearing rotation, to be subtracted
In fast device shell, and extended out from the second mounting surface of reducer shell；
Two symmetrically arranged hubbed flanges, hubbed flange are fixedly set in two semiaxis by spline and locking nut respectively
External part；
Driven gear, the driven gear are sleeved on the gear mounting portion of differential casing and engage connection with driving gear.
2. main reducing gear according to claim 1 band differential assembly, which is characterized in that the driving gear it is inside and outside
Adjustment spacer ring is equipped between bearing, the both ends for adjusting spacer ring bear against the inner ring of inside and outside bearing.
3. main reducing gear band differential assembly according to claim 1, which is characterized in that the bearing of the differential casing
Outside be equipped with adjusting nut and locking plate, adjusting nut by the screw thread lock shaft bearing outer-ring between reducer shell, locking plate
Adjusting nut is inserted into one end, and the other end is bolted on reducer shell.
4. main reducing gear band differential assembly according to claim 1, which is characterized in that the planetary gear, half axle gear
The plane of rotation of wheel and differential casing is equipped with anti-attrition gasket.
5. main reducing gear band differential assembly according to claim 1, which is characterized in that the driving gear shaft and deceleration
The first oil sealing is equipped between device shell；The second oil sealing is equipped between the hubbed flange and reducer shell.
6. main reducing gear band differential assembly according to claim 5, which is characterized in that the outside of second oil sealing is set
There is dust cover.
7. main reducing gear according to claim 1 band differential assembly, which is characterized in that the reducer shell further includes
Reducer shell end cap, reducer shell end cap are connect by bolt with reducer shell, reducer shell and reducer shell
End cap surrounds the cavity for accommodating differential assembly and active and passive gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721729938.2U CN207634644U (en) | 2017-12-12 | 2017-12-12 | A kind of main reducing gear band differential assembly for independent suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721729938.2U CN207634644U (en) | 2017-12-12 | 2017-12-12 | A kind of main reducing gear band differential assembly for independent suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207634644U true CN207634644U (en) | 2018-07-20 |
Family
ID=62862448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721729938.2U Active CN207634644U (en) | 2017-12-12 | 2017-12-12 | A kind of main reducing gear band differential assembly for independent suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207634644U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397707A (en) * | 2019-07-26 | 2019-11-01 | 广西汽车集团有限公司 | Speed reducer assembly and vehicle |
| CN111140643A (en) * | 2020-02-11 | 2020-05-12 | 北京汽车集团越野车有限公司 | Split type main reducer casing of electricity driving vehicle and car |
| CN111659937A (en) * | 2020-06-22 | 2020-09-15 | 重庆科技学院 | Numerical control offset universal milling head |
-
2017
- 2017-12-12 CN CN201721729938.2U patent/CN207634644U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397707A (en) * | 2019-07-26 | 2019-11-01 | 广西汽车集团有限公司 | Speed reducer assembly and vehicle |
| CN111140643A (en) * | 2020-02-11 | 2020-05-12 | 北京汽车集团越野车有限公司 | Split type main reducer casing of electricity driving vehicle and car |
| CN111659937A (en) * | 2020-06-22 | 2020-09-15 | 重庆科技学院 | Numerical control offset universal milling head |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103026103B (en) | Wheel motor drive device | |
| US8186467B2 (en) | Wheel rotating device for in-wheel motor vehicle | |
| CN207634644U (en) | A kind of main reducing gear band differential assembly for independent suspension | |
| CN101247968A (en) | Motor-driven wheel driving apparatus | |
| CN206159406U (en) | Main speed reducer assembly | |
| CN108757884A (en) | A kind of lightweight commercial car main reducer of middle axle assembly | |
| EP3395599B1 (en) | Bogie axle system | |
| CN210502248U (en) | Low-speed large-torque electric wheel device and electric vehicle | |
| CN104908581A (en) | Wheel side motor driving system and wheel side motor driving axle | |
| CN111845333A (en) | Hub reduction assembly | |
| CN208634307U (en) | A kind of lightweight commercial vehicle main reducer of middle axle assembly | |
| CN210087915U (en) | Hub reduction gear | |
| CN112762146A (en) | Electric driving wheel with planetary speed reduction transmission | |
| CN209987734U (en) | Low-speed large-torque electric wheel device and electric automobile | |
| CN104908579A (en) | Wheel rim motor driving system and wheel rim motor driving axle | |
| CN204726222U (en) | A kind of wheel motor drive system and a kind of wheel motor drive axle | |
| CN110203057A (en) | A kind of motor drive assembly and a kind of vehicle | |
| CN104595424A (en) | Planetary wheel side reducer assembly | |
| CN213685134U (en) | Engineering vehicle wheel side speed reducer and mining dump truck | |
| CN204978220U (en) | Take turns limit motor drive system, reach wheel limit motor drive bridge | |
| CN209370400U (en) | A kind of electric drive axle differential assembly | |
| CN113291151A (en) | Drive axle of integrated input shaft position variable reduction gearbox for snow sweeper | |
| CN216467174U (en) | Tractor front drive axle suitable for paddy field working condition and tractor | |
| CN220850585U (en) | Planetary gear speed change device and hub motor | |
| CN112228515B (en) | Engineering vehicle wheel edge speed reducer and mining dump truck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |