CN109677262A - Centralized electric drive independent suspension rear axle - Google Patents
Centralized electric drive independent suspension rear axle Download PDFInfo
- Publication number
- CN109677262A CN109677262A CN201910065150.3A CN201910065150A CN109677262A CN 109677262 A CN109677262 A CN 109677262A CN 201910065150 A CN201910065150 A CN 201910065150A CN 109677262 A CN109677262 A CN 109677262A
- Authority
- CN
- China
- Prior art keywords
- assembly
- swing arm
- pin shaft
- support frame
- end cap
- 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.)
- Granted
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 18
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 67
- 230000000295 complement effect Effects 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 9
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000005279 austempering Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 abstract description 3
- 230000004089 microcirculation Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 108010028776 Complement C7 Proteins 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009699 differential effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
-
- 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
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
- B60B27/0052—Hubs characterised by functional integration of other elements the element being a brake disc
-
- 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
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G3/00—Resilient suspensions for a single wheel
- B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/008—Attaching arms to unsprung part of vehicle
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Axle Suspensions And Sidecars For Cycles (AREA)
- Arrangement Of Transmissions (AREA)
Abstract
A kind of centralization electric drive independent suspension rear axle is related to a kind of electricity drive rear axle, including lower swing arm, hub assembly, brake assembly, support frame assembly, upper swing arm, air bag assembly, vibration damper complement, vehicle frame, power assembly, Cardan shaft；Upper and lower swing arm beginning passes through pin shaft assembly respectively and is articulated with support frame assembly upper and lower part, and the end of upper and lower swing arm is fastened respectively to vehicle frame；Support frame assembly, upper swing arm, lower swing arm, vehicle frame form parallel four side rod mechanism；The power assembly includes the motor and speed reducer assembly for being mounted on vehicle frame and linking together；Cardan shaft one end is connect with speed reducer assembly, and the other end is connect with support frame assembly.The present invention has the characteristics that control stability is high, bearing capacity is high, rotation flexibility is good, comfort is good, light-weight, can meet city logistics vehicle and microcirculation bus performance requirement.
Description
Technical field
The present invention relates to a kind of electricity to drive rear axle, especially a kind of centralized electric drive independent suspension rear axle.
Background technique
The mainstream driving system that electric vehicle uses at present is that engine, gearbox are changed into central electricity on the basis of traditional vehicle
Machine either deforms conventional rigid bridge --- central motor, retarder, rigid bridge carrier integrated.Rigid electric
It drives bridge to take up space greatly, comfort, manipulation stability are all relatively low.
Summary of the invention
The technical problem to be solved by the present invention is a kind of centralized electric drive independent suspension rear axle is provided, to improve vehicle
Comfort, control stability and simplify overall structure.
The technical solution for solving above-mentioned technical problem is: a kind of centralization electric drive independent suspension rear axle, including wheel hub are total
At, brake assembly, air bag assembly, vibration damper complement, vehicle frame, power assembly, the hub assembly, brake assembly, gas
Capsule assembly, vibration damper complement are respectively symmetrically mounted on the both sides of vehicle frame, further include the bottom for being respectively symmetrically mounted on vehicle frame both sides
Arm, support frame assembly, upper swing arm, Cardan shaft；The beginning of the upper swing arm is articulated with support frame by pin shaft assembly
The end on the top of assembly, upper swing arm is anchored on vehicle frame；The beginning of the lower swing arm is connected to support frame by pin shaft assembly
The end of total lower part, lower swing arm is anchored on vehicle frame；Support frame assembly, upper swing arm, lower swing arm, vehicle frame form parallel four side rods machine
Structure；The hub assembly, brake assembly, air bag assembly, vibration damper complement are separately fixed on support frame assembly；Described
Power assembly includes motor and speed reducer assembly, and motor and speed reducer assembly are fastenedly connected to form power assembly module, retarder
The connection of the output end of assembly and motor, and motor and speed reducer assembly are fastened on vehicle frame respectively；The Cardan shaft
One end is connect with speed reducer assembly, and the other end of Cardan shaft is connect with support frame assembly.
A further technical solution of the present invention is: the speed reducer assembly is two reduction gear, the speed reducer assembly
It is total including reducer shell, the input axle assembly being separately mounted on reducer shell, countershaft assembly, end cap assembly A, end cap
At B, differential assembly, parking braking assembly, input shaft end cap assembly；End cap assembly A, the end cap assembly B is installed in opposite directions
On reducer shell；The input axle assembly, countershaft assembly intermeshing, countershaft assembly are mutual with differential assembly
Engagement, the both ends of the differential case assembly output axis connection with end cap assembly A, end cap assembly B respectively；The parking braking is total
It is fastened on input shaft end cap assembly at assembly, input shaft end cap assembly is mounted on end and the reducer shell of input axle assembly
Between.
A further technical solution of the present invention is: the reducer shell is to include by reducer shell I and retarder
The Split type casing that shell II is composed in opposite directions.
A further technical solution of the present invention is: the pin shaft assembly includes oil sealing seat ring, pin shaft bearing, hole gear
Circle、Pin Roll Oil Seal、Slotted nut, pin shaft, pin shaft hole and upper swing arm or lower swing arm of the pin shaft across support frame assembly
Beginning, the oil sealing seat ring, pin shaft bearing, hole retaining ring、Pin Roll Oil Seal is respectively fitted on pin shaft, and hole is installed with retaining ring
At the middle part of pin shaft hole, the outer diameter of hole retaining ring is matched with the inner hole wall of pin shaft hole；The pin shaft bearing is separately mounted to
The both ends of hole retaining ring, the outer diameter of pin shaft bearing are matched with the inner hole wall of pin shaft hole, the internal diameter of pin shaft bearing and pin shaft it is outer
Diameter matches；The hole retaining ring、Pin Roll Oil Seal is fitted in the outer end of pin shaft bearing respectively；The slotted nut is locked at
The end of pin shaft.
A further technical solution of the present invention is: the hub assembly is non-maintaining wheel side structure, including wheel hub, braking
Disk, gear ring, unit bearing, the unit bearing are mounted in the mesoporous of wheel hub, and gear ring is mounted on the end of wheel hub, and passes through
Fastener locking；The brake disc is mounted on wheel hub.
The further technical solution of the present invention is: support frame assembly, upper swing arm and the lower swing arm is all made of isothermal
Quenching ductile cast iron material is made.
Since using the above structure, the centralized electric drive independent suspension rear axle of the present invention compared with prior art, has
Below the utility model has the advantages that
1. the control stability of vehicle can be improved
Since power assembly of the invention includes motor and speed reducer assembly, motor and speed reducer assembly are fastenedly connected to form power
The output end of assembly module, speed reducer assembly and motor connects, and motor and speed reducer assembly are fastened on vehicle frame respectively.Cause
This, the present invention is that motor and speed reducer assembly are integrated in one, and is suspended on vehicle frame, and matter under the spring of vehicle can be effectively reduced
Amount, improves the control stability of vehicle.
2. bearing capacity and rotation flexibility can be improved
Since the present invention includes the lower swing arm, support frame assembly, upper swing arm, cardan drive for being respectively symmetrically mounted on vehicle frame both sides
Axis；Wherein, the beginning of upper swing arm is articulated with the top of support frame assembly by pin shaft assembly, and the end of upper swing arm is anchored on vehicle
Frame；The beginning of lower swing arm is connected to the total lower part of support frame by pin shaft assembly, and the end of lower swing arm is anchored on vehicle frame；Support frame
Assembly, upper swing arm, lower swing arm, vehicle frame form parallel four side rod mechanism.Therefore, support frame of the invention and pumping arm action are to use
The rigid connection of pin shaft, and bearing capacity and rotation flexibility are greatly improved by parallel four side rod mechanism.
3. vehicle comfort and vehicle capacity can be improved, it can be achieved that whole bridge lightweight, low energy consumption effect are good
Suspension of the invention uses double cross arm independent suspension structure, and vehicle comfort can be improved, improve vehicle capacity, it can be achieved that whole
Bridge lightweight, low energy consumption effect is clearly.
4. large speed ratio, large torque, stabilizing mechanical differential performance can be realized
Since speed reducer assembly of the invention is two reduction gear, which includes reducer shell, installs respectively
Input axle assembly, countershaft assembly, end cap assembly A on reducer shell, end cap assembly B, differential assembly, parking braking
Assembly, input shaft end cap assembly；Wherein, end cap assembly A, end cap assembly B are mounted on reducer shell in opposite directions；The input
Axle assembly, countershaft assembly intermeshing, countershaft assembly and differential assembly are intermeshed, the both ends point of differential case assembly
Not with the output axis connection of end cap assembly A, end cap assembly B；It is total that the parking braking general assembly is fastened on input shaft end cap
Cheng Shang, input shaft end cap assembly are mounted between the end of input axle assembly and reducer shell.Therefore, retarder of the invention
Assembly is to collect parking braking structure and mechanical speed difference structural integrity using the deceleration of second level parallel axes and differential design, can be real
Existing large speed ratio, large torque, stabilizing mechanical differential performance.
5. function modoularization can be realized, simplify overall structure
Since speed reducer assembly collection parking braking structure and mechanical speed difference structural integrity of the invention are, it can be achieved that functional module
Change, to simplify overall structure.
6. non-maintaining mileage can be increased, extend hub assembly service life
Since hub assembly of the invention is non-maintaining wheel side structure, including wheel hub, brake disc, gear ring, unit bearing, wherein
Unit bearing is mounted in the mesoporous of wheel hub, and gear ring is mounted on the end of wheel hub, and is locked by fastener；Brake disc is mounted on
On wheel hub.Therefore, hub bearing of the invention uses non-maintaining integrated units bearing, can increase non-maintaining mileage, greatly
The service life of hub assembly is extended greatly.
7. maintenance, replacement convenient disassembly
It since motor and speed reducer assembly are integrated in one by the present invention, is suspended on vehicle frame, maintenance, replacement disassembly can be made to compare
It is convenient.
8. light-weight, intensity is high
It is made since support frame of the invention, upper swing arm and lower swing arm are all made of austempering ductile iron material, utilizes high board
Number cast iron can not only improve intensity, increase whole bridge bearing capacity, and can also mitigate weight.
In conclusion the present invention has had, the control stability of vehicle is high, bearing capacity is high, rotation flexibility is good, comfortable
Property it is good, low energy consumption effect is good, large speed ratio, large torque, simplifies overall structure, long service life, maintenance, replacement convenient disassembly, again
It measures the features such as light, has met city logistics vehicle and microcirculation bus performance requirement.
In the following, in conjunction with the accompanying drawings and embodiments to the technical characteristic of the centralized electric drive independent suspension rear axle of the present invention make into
The explanation of one step.
Detailed description of the invention
Fig. 1: the structural schematic diagram of the centralized electric drive independent suspension rear axle of the present invention,
Fig. 2: the structural schematic diagram of speed reducer assembly described in embodiment one,
Fig. 3: the attachment structure schematic diagram of one support frame as described above assembly of embodiment and upper swing arm or lower swing arm,
Fig. 4: the structural schematic diagram of hub assembly described in embodiment one,
In above-mentioned attached drawing, each label declaration is as follows:
1- lower swing arm,
2- hub assembly, 21- wheel hub, 22- brake disc, 23- gear ring, 24- unit bearing, 25- tire bolt,
3- brake assembly,
4- support frame assembly, 41- pin shaft assembly, 411- oil sealing seat ring, 412- pin shaft bearing, the hole 413- retaining ring,
414- Pin Roll Oil Seal, 415- slotted nut, 416- pin shaft,
5- upper swing arm, 6- air bag assembly, 7- vibration damper complement, 8- vehicle frame,
9- power assembly, 91- motor, 92- speed reducer assembly, 921- reducer shell, 9211- reducer shell I,
9212- reducer shell II, 922- input axle assembly, 923- countershaft assembly, 924- end cap assembly A, 925- end cap are total
At B, 926- differential assembly, 927- parking braking assembly, 928- input shaft end cap assembly,
10- Cardan shaft.
Specific embodiment
A kind of centralization electric drive independent suspension rear axle, including lower swing arm 1, hub assembly 2, brake assembly 3, support frame
Assembly 4, upper swing arm 5, air bag assembly 6, vibration damper complement 7, vehicle frame 8, power assembly 9, Cardan shaft 10, the bottom
Arm 1, hub assembly 2, brake assembly 3, support frame assembly 4, upper swing arm 5, air bag assembly 6, vibration damper complement 7 are respectively symmetrically pacified
Mounted in the both sides of vehicle frame 8；Wherein:
The support frame assembly 4 is used as whole bridge supportive body, and the beginning of upper swing arm 5 is articulated with support frame by pin shaft assembly 41
The top of assembly 4, the end of upper swing arm 5 are anchored on vehicle frame 8, and support frame assembly 4 can be around the end flexible rotating of upper swing arm 5；
The beginning of the lower swing arm 1 is connected to the lower part of support frame total 4 by pin shaft assembly 41, and the end of lower swing arm 1 is anchored on vehicle
Frame 8, support frame assembly 4 can be around the end flexible rotatings of lower swing arm 1；Support frame assembly 4, upper swing arm 5, lower swing arm 1, vehicle frame 8
Parallel four side rod mechanism is formed, makes the lower bounce in vertical direction of support frame assembly 4, other directions are restricted；Hub assembly 2
It is inserted on support frame assembly 4 by adjusting locking nut；The brake assembly 3, air bag assembly 6, vibration damper complement 7 pass through
Bolt fastening is on support frame assembly 4.
The power assembly 9 includes motor 91 and speed reducer assembly 92, and motor 9 is tight by bolt with speed reducer assembly 10
It is solidly connected to form power assembly module, speed reducer assembly 92 is connect with the output end of motor 91, and motor 91 and speed reducer assembly
92 fasten on carriage 8 respectively, form sprung mass；Described 10 one end of Cardan shaft is connect with speed reducer assembly 92,
The other end of Cardan shaft 10 is connect with support frame assembly 4.
The speed reducer assembly 92 is two reduction gear, which includes reducer shell 921, difference
Be mounted on input axle assembly 922 on reducer shell 921, countershaft assembly 923, end cap assembly A924, end cap assembly B925,
Differential assembly 926, parking braking assembly 927, input shaft end cap assembly 928；The reducer shell 921 is to include by subtracting
The Split type casing that fast device shell I 9211 and reducer shell II 9212 are composed in opposite directions；The end cap assembly A924, end
Cap assembly B925 is mounted in opposite directions on reducer shell I 9211 and reducer shell II 9212；The input axle assembly 922,
Countershaft assembly 923 is intermeshed, and countershaft assembly 923 and differential assembly 926 are intermeshed, and the two of differential assembly 926
Hold the output axis connection with end cap assembly A924, end cap assembly B925 respectively；The assembly of parking braking assembly 927 is fastened on
On input shaft end cap assembly 928, input shaft end cap assembly 928 is mounted on end and the reducer shell II of input axle assembly 922
Between 9212.
When assembling speed reducer assembly 92, using reducer shell I 9211 as assembly main body, input axle assembly 922 is pressed into
Corresponding position of bearings, then countershaft assembly 923 is placed in position of bearings, input axle assembly 922 and countershaft assembly 923
Engagement rotation is flexible, no clamping stagnation；End cap assembly A924 is anchored on reducer shell I 9211 with hexagon-headed bolt, then by differential
Device housing assy 926 is aligned the output shaft spline of end cap assembly A924, and steady spline fitted rotates speed reducer assembly, and rotation is flexible
Without clamping stagnation；After reducer shell II 9212 and I 9211 tight seal of reducer shell, it is fastenedly connected with hexagon-headed bolt, it will
End cap assembly B925 alignment 926 spline fitted of differential assembly is inserted in, then is fastened on reducer shell II with hexagon-headed bolt
On 9212；By bearing (ball) cover by adjusting bearing clearance after, be anchored on reducer shell II 9212 with hexagon-headed bolt；It will input
Shaft end cap assembly 928 is anchored on reducer shell II 9212 with hexagon-headed bolt, rear to rotate input axle assembly 922, by input shaft
Assembly 922, countershaft assembly 923, differential assembly 926 form linkage, and the output shaft of rear fixing end cap assembly A924 is rotated further by
The output shaft of input axle assembly 922, the end cap assembly B925 of the other end is still able to rotate, and forms differential action；Again by parking braking
The assembly of assembly 927 is fastened on input shaft end cap assembly 928, holds parking braking assembly 927 after rotating input axle assembly 922,
Reach braking effect, finally oil sealing is pressed into reducer shell I 9211 again.
The pin shaft assembly 41 includes oil sealing seat ring 411, pin shaft bearing 412, hole retaining ring 413、Pin Roll Oil Seal 414、
Slotted nut 415, pin shaft 416, pin shaft hole and upper swing arm 5 or lower swing arm 1 of the pin shaft 416 across support frame assembly 4
Beginning, the oil sealing seat ring 411, pin shaft bearing 412, hole retaining ring 413、Pin Roll Oil Seal 414 is respectively fitted over pin shaft 416
On, and hole retaining ring 413 is mounted on the middle part of pin shaft hole, hole is matched with the outer diameter of retaining ring 413 with the inner hole wall of pin shaft hole；Institute
The pin shaft bearing 412 stated is separately mounted to the both ends of hole retaining ring 413, the outer diameter of pin shaft bearing 412 and the inner hole wall of pin shaft hole
It matches, the internal diameter of pin shaft bearing 412 is matched with the outer diameter of pin shaft 416；Hole retaining ring 413、Pin Roll Oil Seal 414 divides
It is not fitted in the outer end of pin shaft bearing 412；The slotted nut 415 is locked at the end of pin shaft 416.When assembly, first by hole
It is packed into support frame assembly with retaining ring 413, rear both ends pressure pin axle bearing 412 simultaneously is respectively pressed into oil sealing seat ring 411, pin shaft oil
Envelope 414, then respectively by upper swing arm 1,5 alignment support frame assembly 4 of lower swing arm pin shaft hole after, pin shaft 416 is passed through from one end, with opening
The fastening locking of slot nut 415；Upper and lower swing arm is rotated, rotation is flexible, no clamping stagnation.
The hub assembly 2 is non-maintaining wheel side structure, including wheel hub 21, brake disc 22, gear ring 23, unit bearing
24, the unit bearing 24 is mounted in the mesoporous of wheel hub 21, and gear ring 23 is mounted on the end of wheel hub 21, and passes through fastener
Locking；The brake disc 22 is mounted on wheel hub.Be mounted on the tire bolt 25 on wheel hub 21 screw thread distinguish left-right rotary to,
It can reach anti-loosing effect.First tire bolt 25 is pressed on wheel hub 21 when assembly, then unit bearing 24 is pressed into wheel hub 21, system
Behind unthreaded hole alignment 21 hole of wheel hub of Moving plate 22, then by soket head cap screw brake disc and wheel hub；23 hole of gear ring is aligned wheel hub
After corresponding threaded hole, gear ring and wheel hub are connected with fastening screw.By " three into three go out " locking nut mode come adjustment unit
Bearing 24 reaches the clearance under optimum condition.
Above-mentioned support frame assembly 4 is made of austempering ductile iron material QTD1050-12；Upper swing arm 5 and the bottom
Arm 1 is all made of austempering ductile iron material QTD900-8 and is made.
Claims (6)
1. a kind of centralization electric drive independent suspension rear axle, including hub assembly (2), brake assembly (3), air bag assembly (6),
Vibration damper complement (7), vehicle frame (8), power assembly (9), the hub assembly (2), brake assembly (3), air bag assembly
(6), vibration damper complement (7) is respectively symmetrically mounted on the both sides of vehicle frame (8), it is characterised in that: further includes respectively symmetrically being mounted on
Lower swing arm (1), support frame assembly (4), upper swing arm (5), the Cardan shaft (10) on vehicle frame (8) both sides；The upper swing arm
(5) beginning is articulated with the top of support frame assembly (4) by pin shaft assembly (41), and the end of upper swing arm (5) is anchored on vehicle frame
(8)；The beginning of the lower swing arm (1) is connected to the lower part of support frame total (4) by pin shaft assembly (41), lower swing arm (1)
End is anchored on vehicle frame (8)；Support frame assembly (4), upper swing arm (5), lower swing arm (1), vehicle frame (8) form parallel four side rods machine
Structure；The hub assembly (2), brake assembly (3), air bag assembly (6), vibration damper complement (7) are separately fixed at support frame
On assembly (4)；The power assembly (9) includes motor (91) and speed reducer assembly (92), motor (9) and speed reducer assembly
(10) it is fastenedly connected to form power assembly module, speed reducer assembly (92) is connect with the output end of motor (91), and motor (91)
It is fastened on vehicle frame (8) respectively with speed reducer assembly (92)；Described Cardan shaft (10) one end and speed reducer assembly
(92) it connects, the other end of Cardan shaft (10) is connect with support frame assembly (4).
2. centralization electric drive independent suspension rear axle according to claim 1, it is characterised in that: the speed reducer assembly
It (92) is two reduction gear, which includes reducer shell (921), is separately mounted to reducer shell
(921) input axle assembly (922), countershaft assembly (923), end cap assembly A(924 on), end cap assembly B(925), differential mechanism
Assembly (926), parking braking assembly (927), input shaft end cap assembly (928)；The end cap assembly A(924), end cap assembly
B(925 it) is mounted in opposite directions on reducer shell (921)；The input axle assembly (922), countershaft assembly (923) are mutually nibbled
Close, countershaft assembly (923) and differential assembly (926) are intermeshed, the both ends of differential case assembly (926) respectively with end cap
Assembly A(924), end cap assembly B(925) output axis connection；Parking braking assembly (927) assembly is fastened on input shaft
On end cap assembly (928), input shaft end cap assembly (928) is mounted on end and the reducer shell of input axle assembly (922)
(921) between.
3. centralization electric drive independent suspension rear axle according to claim 2, it is characterised in that: the reducer shell
(921) being includes the Split type casing being composed of in opposite directions reducer shell I (9211) and reducer shell II (9212).
4. centralization electric drive independent suspension rear axle according to claim 1, it is characterised in that: the pin shaft assembly
It (41) include oil sealing seat ring (411), pin shaft bearing (412), hole retaining ring (413)、Pin Roll Oil Seal (414)、Slotted nut
(415), pin shaft (416), pin shaft hole and upper swing arm (5) or lower swing arm of the pin shaft (416) across support frame assembly (4)
(1) beginning, the oil sealing seat ring (411), pin shaft bearing (412), hole are with retaining ring (413)、Pin Roll Oil Seal (414) covers respectively
On pin shaft (416), and hole is mounted on the middle part of pin shaft hole with retaining ring (413), the outer diameter of hole retaining ring (413) and pin shaft hole
Inner hole wall matches；The pin shaft bearing (412) is separately mounted to the both ends of hole retaining ring (413), pin shaft bearing (412)
Outer diameter is matched with the inner hole wall of pin shaft hole, and the internal diameter of pin shaft bearing (412) is matched with the outer diameter of pin shaft (416)；Described
Hole is with retaining ring (413)、Pin Roll Oil Seal (414) is fitted in the outer end of pin shaft bearing (412) respectively；The slotted nut (415)
It is locked at the end of pin shaft (416).
5. centralization electric drive independent suspension rear axle according to claim 1, it is characterised in that: the hub assembly
It (2) is non-maintaining wheel side structure, including wheel hub (21), brake disc (22), gear ring (23), unit bearing (24), the unit
Bearing (24) is mounted in the mesoporous of wheel hub (21), and gear ring (23) is mounted on the end of wheel hub (21), and is locked by fastener；
The brake disc (22) is mounted on wheel hub.
6. centralization electric drive independent suspension rear axle according to any one of claims 1 to 5, it is characterised in that:
Support frame assembly (4), upper swing arm (5) and the lower swing arm (1) is all made of austempering ductile iron material and is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065150.3A CN109677262B (en) | 2019-01-23 | 2019-01-23 | Centralized electrically driven independent suspension rear axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065150.3A CN109677262B (en) | 2019-01-23 | 2019-01-23 | Centralized electrically driven independent suspension rear axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109677262A true CN109677262A (en) | 2019-04-26 |
| CN109677262B CN109677262B (en) | 2024-06-11 |
Family
ID=66194425
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910065150.3A Active CN109677262B (en) | 2019-01-23 | 2019-01-23 | Centralized electrically driven independent suspension rear axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109677262B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113353176A (en) * | 2021-07-19 | 2021-09-07 | 上汽通用五菱汽车股份有限公司 | Double-cross-arm independent suspension device of rear-drive electric vehicle |
| CN113787871A (en) * | 2021-09-18 | 2021-12-14 | 方盛车桥（柳州）有限公司 | Microcirculation car drive rear axle and compound suspension structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| DE102017111779A1 (en) * | 2017-05-30 | 2018-12-06 | Horsch Leeb Application Systems Gmbh | Independent wheel suspension for a steerable wheel |
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| CN101693438A (en) * | 2009-09-28 | 2010-04-14 | 北京航天发射技术研究所 | Heavy-load type oil-gas spring independent suspension steering drive axle |
| CN203637489U (en) * | 2013-11-01 | 2014-06-11 | 北京航天发射技术研究所 | Independent suspension steering drive axle and automobile |
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| DE102017111779A1 (en) * | 2017-05-30 | 2018-12-06 | Horsch Leeb Application Systems Gmbh | Independent wheel suspension for a steerable wheel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113353176A (en) * | 2021-07-19 | 2021-09-07 | 上汽通用五菱汽车股份有限公司 | Double-cross-arm independent suspension device of rear-drive electric vehicle |
| CN113787871A (en) * | 2021-09-18 | 2021-12-14 | 方盛车桥（柳州）有限公司 | Microcirculation car drive rear axle and compound suspension structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109677262B (en) | 2024-06-11 |
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