CN113427996B - Independent suspension distributed driving system - Google Patents
Independent suspension distributed driving system Download PDFInfo
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- CN113427996B CN113427996B CN202110816113.9A CN202110816113A CN113427996B CN 113427996 B CN113427996 B CN 113427996B CN 202110816113 A CN202110816113 A CN 202110816113A CN 113427996 B CN113427996 B CN 113427996B
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- swing arm
- wheel
- fixedly mounted
- bearing
- speed reducer
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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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/055—Stabiliser bars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G7/00—Pivoted suspension arms; Accessories thereof
- B60G7/001—Suspension arms, e.g. constructional features
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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
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to the technical field of automobile driving devices, and discloses an independent suspension distributed driving system which comprises a stabilizer bar device, wherein wheel-side driving devices are fixedly mounted on the left side and the right side of the stabilizer bar device, steering knuckle arms are fixedly mounted at the lower ends of the front surfaces of the two wheel-side driving devices, shock absorbers are fixedly mounted in the middle of the inner sides of the two wheel-side driving devices, the lower ends of the front surfaces of the two shock absorbers are fixedly mounted, and air bag arms are fixedly mounted at the left ends of the tops of the two wheel-side driving devices. In conclusion, the independent suspension distributed driving system comprises a left wheel side driving device, a right wheel side driving device, an air bag arm, a shock absorber, a height valve, a stabilizer bar, a steering knuckle arm and the like, the structures are matched with each other, the weight of the driving system is effectively reduced, the size of the driving system is reduced, the width of a channel is increased, the steering function is realized, and the bearing capacity is improved.
Description
Technical Field
The invention belongs to the technical field of automobile driving devices, and particularly relates to an independent suspension distributed driving system.
Background
The automobile suspension is an important part for ensuring riding comfort, and meanwhile, the automobile suspension is used as a force transmission part for connecting a frame (or a body) and an axle (or a wheel) and is also an important part for ensuring the running safety of an automobile, so the automobile suspension is often classified as an important part to be programmed into a technical specification table of the automobile and is used as one of indexes for measuring the quality of the automobile.
At present, a new energy commercial vehicle, particularly a bus driving system mainly adopts a central direct drive structure, namely, an original engine and a transmission are simply replaced by an existing motor, and a transmission shaft and a rear axle form a power system, so that a series of problems exist: the existing product occupies large space and the system is heavy; the system cost is high; the reliability is poor, and the maintenance cost is high; the comfort is poor, the maneuverability of the vehicle is poor, the width of the channel is small, the bearing is small, and the steering function is not available.
In order to solve the existing problems, the patent proposes an independent suspension distributed drive system.
Disclosure of Invention
The invention aims to solve the problems, and provides an independent suspension distributed driving system which has the advantages of small occupied space, light system weight, good comfort, high vehicle maneuverability, large channel width, large bearing capacity and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a distributed driving system of an independent suspension comprises a stabilizer bar device, wherein wheel-side driving devices are fixedly mounted on the left side and the right side of the stabilizer bar device, steering knuckle arms are fixedly mounted at the lower ends of the front sides of the two wheel-side driving devices, shock absorbers are fixedly mounted in the middles of the inner sides of the two wheel-side driving devices, height valves are fixedly mounted at the lower ends of the front sides of the two shock absorbers, air bag arms are fixedly mounted at the left ends of the tops of the two wheel-side driving devices, and air bags are fixedly mounted at the tops of the air bag arms;
the wheel edge driving device comprises a half shaft structure, a hub assembly is fixedly installed on the periphery of the half shaft structure, a protective shell is fixedly installed at the left end of the half shaft structure, a speed reducer is fixedly installed inside the protective shell, a motor is fixedly connected to the left side of the speed reducer, a brake is fixedly installed on the front side of the left side of the protective shell, a steering knuckle is in threaded connection with the left side of the speed reducer, a lower swing arm assembly and an upper swing arm assembly are respectively and movably installed at the upper end and the lower end of the steering knuckle, an upper main pin is fixedly installed on the right side of the upper swing arm assembly, an upper swing arm pin shaft is movably clamped in the middle of the upper swing arm assembly, a lower main pin is fixedly installed on the right side of the lower swing arm assembly, an upper swing arm pin shaft is also movably clamped in the middle of the lower main pin, reinforcing plates are fixedly installed on the front side and the rear side of the steering knuckle, a liquid storage tank is fixedly installed on the upper ends of the peripheries of the two reinforcing plates, the reinforcing plate is arranged on the steering knuckle through the bolt, so that the rigidity of the steering knuckle can be improved, and the steering knuckle can bear larger load; the liquid storage tank is arranged on the reinforcing plate through a bolt, connected with the speed reducer through an oil pipe and arranged at a position higher than the speed reducer, so that oil gas can be effectively prevented from overflowing;
the upper end and the lower end of the inner end of the steering knuckle are respectively provided with an upper pin hole and a lower pin hole, the upper pin hole and the lower pin hole are correspondingly connected with an upper main pin and a lower main pin, the upper main pin is arranged in the upper pin hole of the steering knuckle through a bearing (the bearing can be a rolling bearing or a sliding bearing or not), the lower main pin is arranged in the lower pin hole of the steering knuckle through a bearing (the bearing can be a rolling bearing or a sliding bearing or not), the upper pin hole and the lower pin hole of the steering knuckle are on the same axis, the steering knuckle can rotate around the upper main pin and the lower main pin to realize steering, the upper main pin is provided with a shaft hole vertical to the axis of the main pin, the upper swing arm pin shaft is arranged in the shaft hole of the upper main pin through the bearing, the upper swing arm can be connected with the upper swing arm pin shaft and can rotate around the shaft hole of the main pin, the lower main pin is provided with a shaft hole vertical to the axis of the main pin, the lower swing arm pin is arranged in the shaft hole of the lower main pin through the bearing, the lower swing arm can be connected with a pin shaft of the lower swing arm and can rotate around a shaft hole of the main pin, when the steering knuckle jumps up and down, the upper swing arm and the lower swing arm can move relative to each other through the shaft holes of the upper main pin and the lower main pin, the upper main pin is provided with a mounting hole, the hole can be directly provided with an elastic element or directly or indirectly provided with one or more elastic elements through an air bag arm or other supports, the movement track of the lower end of the elastic element on a YZ plane is the same as that of the steering knuckle, and when the steering knuckle jumps up and down, the elastic element also takes the up-and-down jumping translational motion as the main part.
As a preferred technical scheme of the invention, the speed reducer comprises a box cover, a driven wheel and a driving wheel are fixedly mounted at the middle lower end of the box cover respectively, a planet carrier is fixedly connected to the left side of the driven wheel, a sun wheel, a planet wheel, a gear carrier and an inner gear ring are sequentially connected to the periphery of the driven wheel in a meshed manner from inside to outside, and the inner gear ring is connected with a steering knuckle bolt.
As a preferred technical scheme of the invention, the lower swing arm assembly comprises a swing arm main body, a pin shaft is movably clamped in the middle of the right end of the swing arm main body, an oil passage is arranged at the lower end inside the pin shaft, bearings are fixedly arranged at the upper end and the lower end of the junction of the two bearings, oil seals are fixedly arranged at the upper end and the lower end of the two bearings, an elastic bushing is fixedly arranged at the junction of the swing arm main body and the bearings, an oil filling port is arranged at the lower end of the front surface of the pin shaft and is communicated with the oil passage, the two upper swing arms are connected with an upper main pin through the bearings (the bearings can be rolling bearings or sliding bearings) and the upper swing arm pin shaft, the upper main pin and the upper swing arm can relatively rotate around the upper swing arm pin shaft, the lower swing arm is connected with a lower main pin through the lower swing arm pin shaft and the bearings (the bearings can be rolling bearings or sliding bearings), and the lower main pin and the lower swing arm can relatively rotate around the lower swing arm pin shaft, the upper kingpin and the lower kingpin are connected to the knuckle via a bearing (which may be a rolling bearing or a sliding bearing), and the knuckle is rotatable about the kingpin.
As a preferred technical solution of the present invention, the two ends of the axial surface of the stabilizer bar device have identical structures, the top of each air bag arm is fixedly provided with two air bags, the two air bags are mounted on the air bag arms through bolts, the air bag arms are mounted on the upper main pins of the upper left and right wheel side driving devices through bolts for bearing vertical force, the knuckle arms are mounted on the knuckles of the left and right wheel side driving devices through bolts, the knuckle arms can push the left and right wheel side driving devices to rotate around the main pins, the vibration dampers are mounted on the small main pins through bolts, and the stabilizer bar device is mounted on the lower swing arms of the left and right wheel side driving devices through bolts.
As a preferred technical scheme of the invention, the motor is fixedly installed with the speed reducer through a bolt and a spline, the speed reducer and the hub assembly are respectively installed on a steering knuckle through the bolt and a bearing and are locked by a nut, and the speed reducer transmits force to the half-axle structure through the spline.
As a preferred technical scheme of the invention, the driving wheel and the driven wheel are respectively mounted on the box cover and the gear carrier through bearings, the driving wheel is meshed with the driven wheel, the sun wheel is connected with the driven wheel through a spline, the planet carrier is mounted on the driven wheel through a bearing, and the planet wheel is doubly sleeved on the planet carrier through a planet bearing and a bearing.
As a preferred technical scheme of the invention, the lower swing arm assembly and the upper swing arm assembly are consistent in structural function, the length dimension of the lower swing arm assembly is greater than that of the upper swing arm assembly, supporting bars are fixedly mounted at the left middle end of the inner side of the lower swing arm assembly, the distance value between the two lower swing arm assemblies is smaller than that between the two upper swing arm assemblies, and the two lower swing arm assemblies are fixedly connected by adopting a stabilizer bar device on the side surfaces of the two lower swing arm assemblies.
As a preferred technical scheme of the invention, the oil duct is of a cross structure integrally, two ends of the oil duct are communicated with bearing gaps, the upper end and the lower end of the inner part of the right end of the swing arm main body are provided with frameworks, the frameworks are vulcanized and connected with the elastic bushing, the elastomer is vulcanized on the metal framework, the metal framework is provided with an inner hole, the inner hole of the metal framework is provided with a bearing and an oil seal, a pin shaft penetrates through the inner hole of the bearing and is locked by a locking nut, the swing arm main body rotates around the pin shaft through the bearing, the rotating motion is not influenced by the elastomer, the elastomer deforms to play a role of buffering during the radial motion and the axial motion of the swing arm, and the pin shaft is provided with the oil duct for lubricating the bearing.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, through the arrangement of the double air bags and the structure that the air bag arms are arranged on the main pin, the air bag mounting points mainly move vertically, the swing amount is small, the bearing capacity is improved, meanwhile, the shorter upper swing arms can be arranged, and the width of a channel between the left upper swing arm and the right upper swing arm is improved;
the upper main pin and the small main pin are arranged, and the upper main pin and the lower main pin are distributed, so that a space is formed between the upper main pin and the lower main pin, a motor and a speed reducer can be arranged, a driving system is integrated while steering is realized, and the space occupied by the system and the weight of the system are reduced;
the reinforcing plate is arranged on the steering knuckle, so that the rigidity of the steering knuckle is increased, the system has high bearing capacity, and the bearing capacity can be more than or equal to 9T;
the oil gas enters the oil storage tank with a higher position through the oil pipe and is condensed after touching the wall of the oil storage tank due to the fact that the oil storage tank is higher in position and farther away from the speed reducer, and oil liquid flows back through the oil pipe, so that the oil gas is effectively prevented from overflowing;
the integrated speed reducer integrates a single-stage parallel shaft speed reducer and a planet row speed reducer, so that the size of the speed reducer is effectively reduced;
according to the steering knuckle structure optimized by finite elements, the steering structure is subjected to finite element analysis according to stress, and different reinforcing ribs are arranged to reduce weight while ensuring the structural strength and rigidity;
the upper swing arm combined bushing structure ensures that the upper swing arm rotates around the pin shaft in a sleeved mode without being limited by an angle, so that the distance between two pin holes of the upper swing arm can be shortened, and the width of a channel between the left upper swing arm and the right upper swing arm of the whole system is effectively increased;
in conclusion, the independent suspension distributed driving system comprises a left wheel side driving device, a right wheel side driving device, an air bag arm, a shock absorber, a height valve, a stabilizer bar, a steering knuckle arm and the like, the structures are matched with each other, the weight of the driving system is effectively reduced, the size of the driving system is reduced, the width of a channel is increased, the steering function is realized, and the bearing capacity is improved.
Drawings
FIG. 1 is a schematic front view of the overall structure of the present invention;
FIG. 2 is a schematic view of the entire back of the structure of the present invention;
FIG. 3 is a schematic view of a wheel-side driving device according to the present invention;
FIG. 4 is a schematic side view of the wheel-side driving device according to the present invention;
FIG. 5 is a schematic view of the position of the motor and reducer of the present invention;
FIG. 6 is a schematic view of the overall appearance of the speed reducer according to the present invention;
FIG. 7 is a schematic front view of the speed reducer of the present invention;
FIG. 8 is a schematic cross-sectional view of a reduction gear unit according to the present invention;
FIG. 9 is a side view of a lower swing arm assembly of the present invention;
FIG. 10 is a schematic top view of a lower swing arm assembly of the present invention;
FIG. 11 is a schematic cross-sectional view of a lower swing arm assembly of the present invention;
FIG. 12 is a schematic view of the positions of the speed reducer, the motor and the hub assembly according to the present invention;
FIG. 13 is a schematic view of the structural ring gear of the present invention;
FIG. 14 is a schematic view of a dual knuckle structure of the present invention.
In the figure: 1. a stabilizer bar device; 2. a wheel-side driving device; 21. a half-shaft structure; 22. a protective shell; 23. a brake; 24. a lower kingpin; 25. a lower swing arm assembly; 251. a swing arm main body; 252. a pin shaft; 253. an oil duct; 254. oil sealing; 255. a bearing; 256. an elastic bushing; 257. an oil filling port; 26. an upper swing arm assembly; 27. a liquid storage tank; 28. a reinforcing plate; 29. a knuckle; 210. an upper kingpin; 211. an upper swing arm pin shaft; 212. a hub assembly; 213. a motor; 214. a speed reducer; 2141. a box cover; 2142. a driving wheel; 2143. a driven wheel; 2144. a sun gear; 2145. a planet wheel; 2146. a planet carrier; 2147. an inner gear ring; 2148. a gear carrier; 3. a knuckle arm; 4. a shock absorber; 5. an air bag arm; 6. an air bag; 7. a height valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 14, the invention provides an independent suspension distributed driving system, which includes a stabilizer bar device 1, wheel-side driving devices 2 are fixedly mounted on both left and right sides of the stabilizer bar device 1, knuckle arms 3 are fixedly mounted on both lower ends of the front faces of the two wheel-side driving devices 2, shock absorbers 4 are fixedly mounted in the middle of the inner sides of the two wheel-side driving devices 2, height valves 7 are fixedly mounted on both lower ends of the front faces of the two shock absorbers 4, air bag arms 5 are fixedly mounted on both left ends of the top portions of the two wheel-side driving devices 2, and air bags 6 are fixedly mounted on the top portions of the air bag arms 5;
the wheel edge driving device 2 comprises a half shaft structure 21, a wheel hub assembly 212 is fixedly installed on the periphery of the half shaft structure 21, a protective shell 22 is fixedly installed at the left end of the half shaft structure 21, a speed reducer 214 is fixedly installed inside the protective shell 22, a motor 213 is fixedly connected to the left side of the speed reducer 214, a brake 23 is fixedly installed on the front face of the left side of the protective shell 22, a steering knuckle 29 is in threaded connection with the left side of the speed reducer 214, a lower swing arm assembly 25 and an upper swing arm assembly 26 are respectively and movably installed at the upper end and the lower end of the steering knuckle 29, an upper king pin 210 is fixedly installed at the right side of the upper swing arm assembly 26, an upper swing arm pin shaft 211 is movably clamped at the middle part of the upper swing arm assembly, a lower king pin 24 is fixedly installed at the right side of the lower swing arm assembly 25, an upper swing arm pin shaft 211 is also movably clamped at the middle part of the lower swing arm assembly, reinforcing plates 28 are fixedly installed at the front side and the rear sides of the steering knuckle 29, and liquid storage tanks 27 are fixedly installed at the upper ends of the peripheries of the two reinforcing plates 28, the reinforcing plate 28 is mounted on the knuckle 29 by bolts, which can improve the rigidity of the knuckle 29, so that the knuckle 29 can bear larger load; the liquid storage tank 27 is mounted on the reinforcing plate 28 through bolts, the liquid storage tank 27 is connected with the speed reducer 214 through an oil pipe, and the liquid storage tank 27 is arranged at a position higher than the speed reducer 214, so that oil gas can be effectively prevented from overflowing;
the upper end and the lower end of the inner end of the knuckle 29 are respectively provided with an upper pin hole and a lower pin hole, the two pin holes are correspondingly connected with an upper main pin and a lower main pin, the upper main pin 210 is arranged in the upper pin hole of the knuckle 29 through a bearing (the bearing can be a rolling bearing or a sliding bearing or not), the lower main pin 24 is arranged in the lower pin hole of the knuckle 29 through a bearing (the bearing can be a rolling bearing or a sliding bearing or not), the upper pin hole and the lower pin hole of the knuckle 29 are on the same axis, the knuckle 29 can rotate around the upper main pin 210 and the lower main pin 24 to realize steering, the upper main pin 210 is provided with a shaft hole vertical to the axis of the main pin, the upper swing arm pin shaft 211 is arranged in the shaft hole of the upper main pin 210 through a bearing, the upper swing arm can be connected with the upper swing arm pin shaft 211 and can rotate around the shaft hole of the main pin, the lower main pin 24 is provided with a shaft hole vertical to the axis of the main pin, the lower swing arm pin shaft is arranged in the shaft hole of the lower main pin through a bearing, the lower swing arm can be connected with the lower swing arm pin shaft and can rotate around the shaft hole of the main pin, when the knuckle 29 jumps up and down, the relative motion with the upper swing arm and the lower swing arm is realized through the shaft holes of the upper main pin 210 and the lower main pin 24, the upper main pin 210 is provided with an installation hole, the hole can be directly provided with an elastic element or directly or indirectly provided with one or more elastic elements through the air bag arm 5 or other supports, the motion trail of the lower end of the elastic element on the YZ plane is the same as that of the knuckle 29, when the knuckle 29 jumps up and down, the elastic element also takes the jump translational motion as the main part, the upper swing arm pin shaft and the lower swing arm pin shaft are movably clamped and connected, and the two upper swing arm pin shafts have different problems.
The speed reducer 214 comprises a case cover 2141, a driven wheel 2143 and a driving wheel 2142 are fixedly mounted at the middle lower end of the case cover 2141, a planet carrier 2146 is fixedly connected to the left side of the driven wheel 2143, a sun gear 2144, a planet gear 2145, a gear carrier 2148 and an inner gear ring 2147 are sequentially engaged and connected to the periphery of the driven wheel 2143 from inside to outside, and the inner gear ring 2147 is bolted to the knuckle 29.
Wherein, the lower swing arm assembly 25 comprises a swing arm main body 251, a pin shaft 252 is movably clamped in the middle of the right end of the swing arm main body 251, an oil passage 253 is arranged at the lower end inside the pin shaft 252, bearings 255 are fixedly arranged at the upper and lower ends of the junction of the swing arm main body 251 and the pin shaft 252, oil seals 254 are fixedly arranged at the upper and lower ends of the two bearings 255, an elastic bushing 256 is fixedly arranged at the junction of the swing arm main body 251 and the bearings 255, an oil filling port 257 is arranged at the lower end of the front surface of the pin shaft 252, the oil filling port 257 is communicated with the oil passage 253, the two upper swing arms are connected with the upper main pin 210 through a bearing (the bearing can be a rolling bearing or a sliding bearing) and an upper swing arm pin shaft 211, the upper main pin 210 and the upper swing arm can relatively rotate around the upper swing arm pin shaft, the lower swing arm is connected with the lower main pin 24 through the lower swing arm pin shaft and the bearing (the bearing can be a rolling bearing or a sliding bearing), the lower main pin 24 and the lower swing arm can relatively rotate around the lower swing arm pin shaft, the upper kingpin 210 and the lower kingpin 24 are coupled to the knuckle 29 by bearings (which may be rolling bearings or sliding bearings) about which the knuckle 29 rotates.
The structure of axial plane both ends is identical completely in stabilizer bar device 1, equal fixed mounting has two gasbags 6 at the top of every gasbag arm 5, two gasbags 6 pass through the bolt and install on gasbag arm 5, gasbag arm 5 passes through the bolt and installs on last king pin 210 of wheel limit drive arrangement 2 about last for bear vertical power, the knuckle arm passes through the bolt and installs on the knuckle 29 of wheel limit drive arrangement 2 about, thrust knuckle arm can make about wheel limit drive arrangement 2 around the king pin rotatory, shock absorber 4 passes through the bolt and installs on little king pin, stabilizer bar device 1 passes through the bolt and installs on the lower swing arm of wheel limit drive arrangement 2 about.
The motor 213 is fixedly mounted with the speed reducer 214 through a bolt and a spline, the speed reducer 214 and the hub assembly 212 are mounted on the knuckle 29 through a bolt and a bearing respectively and are locked by a nut, and the speed reducer 214 transmits force to the axle shaft structure 21 through a spline.
The driving wheel 2142 and the driven wheel 2143 are respectively mounted on the case cover 2141 and the gear carrier 2148 through bearings, the driving wheel 2142 is meshed with the driven wheel 2143, the sun wheel 2144 is connected with the driven wheel 2143 through a spline, the planet carrier 2146 is mounted on the driven wheel 2143 through a bearing, and the planet wheel 2145 is mounted on the planet carrier 2146 through a double-sleeve joint of a planet bearing and a bearing.
Wherein, lower swing arm assembly 25 is unanimous with last swing arm assembly 26 structure function, and the length dimension of lower swing arm assembly 25 is greater than last swing arm assembly 26 length dimension, and the equal fixed mounting in the left middle-end of lower swing arm assembly 25 inboard has the support bar, and the interval value of two lower swing arm assemblies 25 is less than two interval values of going up swing arm assembly 26, and what two lower swing arm assemblies 25 adopted is stabilizer bar device 1 at its side fixed connection.
Wherein, oil duct 253 wholly is cruciform structure and its both ends are linked together with bearing 255 gap, swing arm main part 251 is inside all to be installed the skeleton and the skeleton is vulcanized with elastic bushing 256 and is connected by the upper and lower extreme, the elastomer vulcanizes on metal framework, metal framework has the hole, bearing 255 and oil blanket 254 are installed to metal framework's hole, round pin axle 252 passes bearing 255 hole and locks through lock nut, swing arm main part 251 is rotatory around round pin axle 252 through the bearing, rotary motion is not influenced by the elastomer, the elastomer warp and plays the cushioning effect during radial motion of swing arm and axial motion, round pin axle 252 is provided with oil duct 253 and is used for lubricated bearing.
The working principle and the using process of the invention are as follows:
it is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. An independent suspension distributed drive system comprising a stabilizer bar device (1), characterized in that: wheel-side driving devices (2) are fixedly mounted on the left side and the right side of the stabilizer bar device (1), steering knuckle arms (3) are fixedly mounted at the lower ends of the front sides of the two wheel-side driving devices (2), shock absorbers (4) are fixedly mounted in the middles of the inner sides of the two wheel-side driving devices (2), height valves (7) are fixedly mounted at the lower ends of the front sides of the two shock absorbers (4), air bag arms (5) are fixedly mounted at the left ends of the tops of the two wheel-side driving devices (2), and air bags (6) are fixedly mounted at the tops of the air bag arms (5); the hub driving device (2) comprises a half-axle structure (21), a hub assembly (212) is fixedly mounted on the periphery of the half-axle structure (21), a protective shell (22) is fixedly mounted at the left end of the half-axle structure (21), a speed reducer (214) is fixedly mounted inside the protective shell (22), a motor (213) is fixedly connected to the left side of the speed reducer (214), a brake (23) is fixedly mounted on the left front side of the protective shell (22), a steering knuckle (29) is connected to the left side of the speed reducer (214) in a threaded manner, a lower swing arm assembly (25) and an upper swing arm assembly (26) are respectively and movably mounted at the upper end and the lower end of the steering knuckle (29), an upper kingpin (210) is fixedly mounted on the right side of the upper swing arm assembly (26), an upper swing arm pin (211) is movably clamped at the middle of the upper kingpin (24), an upper swing arm pin (211) is also movably clamped at the middle of the lower kingpin (25) and is fixedly mounted at the right side of the lower kingpin (25), reinforcing plates (28) are fixedly mounted on the front side and the rear side of the steering knuckle (29), two reinforcing plates (28) are fixedly mounted at the upper ends of the peripheries of the reinforcing plates (28), a liquid storage tank (27) is fixedly mounted at the upper ends of the peripheries of the reinforcing plates (28), the speed reducer (214) comprises a box cover (2141), a driven wheel (2143) and a driving wheel (2142) are fixedly mounted at the lower end of the middle of the box cover (2141), a planet carrier (2146) is fixedly connected to the left side of the driven wheel (2143), a sun wheel (2144), a planet wheel (2145), a planet carrier (2148) and an inner gear ring (2147) are sequentially meshed from inside to outside from the periphery of the driven wheel (2143), and the inner gear ring (2147) is connected with the steering knuckle (29) through bolts.
2. An independent suspension distributed drive system as claimed in claim 1, wherein: lower swing arm assembly (25) is including swing arm main part (251), the middle part activity joint of swing arm main part (251) right-hand member has round pin axle (252), oil duct (253) have been seted up to round pin axle (252) inside lower extreme, the equal fixed mounting of last lower extreme of swing arm main part (251) and round pin axle (252) juncture has bearing (255), two the equal fixed mounting in last lower extreme of bearing (255) has oil blanket (254), the juncture fixed mounting of swing arm main part (251) and bearing (255) has elastic bush (256), round pin axle (252) positive lower extreme has been seted up oiling mouth (257) and has been linked together with oil duct (253).
3. An independent suspension distributed drive system as claimed in claim 1, wherein: the structure of the two ends of the axial surface in the stabilizer bar device (1) is completely consistent, and two air bags (6) are fixedly mounted at the top of each air bag arm (5).
4. An independent suspension distributed drive system as claimed in claim 1, wherein: the motor (213) is fixedly installed together with the speed reducer (214) through a bolt and a spline, the speed reducer (214) and the hub assembly (212) are installed on the steering knuckle (29) through the bolt and a bearing respectively and are locked through nuts, and the speed reducer (214) transmits force to the half-axle structure (21) through the spline.
5. The distributed drive system for an independent suspension of claim 1, wherein: drive wheel (2142) all install respectively on case lid (2141) and carrier of the gear (2148) through the bearing from driving wheel (2143), drive wheel (2142) are connected with driven wheel (2143) looks meshing, sun gear (2144) pass through the splined connection with driven wheel (2143), carrier (2146) pass through the bearing and install at driven wheel (2143), planet wheel (2145) pass through planet bearing and bearing dual cup joint and install on carrier (2146).
6. An independent suspension distributed drive system as claimed in claim 1, wherein: lower swing arm assembly (25) is unanimous with last swing arm assembly (26) structure function, and the length dimension of lower swing arm assembly (25) is greater than last swing arm assembly (26) length dimension, the equal fixed mounting in the left middle-end of lower swing arm assembly (25) inboard has the support bar, two the interval value of lower swing arm assembly (25) is less than the interval value of two last swing arm assemblies (26), and what two lower swing arm assemblies (25) adopted is that stabilizer bar device (1) is in its side fixed connection.
7. An independent suspension distributed drive system as claimed in claim 2, wherein: oil duct (253) wholly is cruciform structure and its both ends and bearing (255) gap are linked together, the inside upper and lower extreme of swing arm main part (251) right-hand member all installs skeleton and elastic bushing (256) vulcanization connection.
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| CN202110816113.9A CN113427996B (en) | 2021-07-20 | 2021-07-20 | Independent suspension distributed driving system |
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| CN202110816113.9A CN113427996B (en) | 2021-07-20 | 2021-07-20 | Independent suspension distributed driving system |
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| CN113427996B true CN113427996B (en) | 2022-09-06 |
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| CN115489556A (en) * | 2021-06-17 | 2022-12-20 | 湖南中车智行科技有限公司 | Rubber wheel power dispersion bogie assembly |
| CN117713444B (en) * | 2024-02-06 | 2024-04-19 | 北京航空航天大学 | Distributed driving system integrated with bracket arm, motor and planetary gear reducer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100339265C (en) * | 2005-06-24 | 2007-09-26 | 中国航天科技集团公司第一研究院第十五研究所 | Automobile driving axle wheels set |
| DE102012214352B4 (en) * | 2012-08-13 | 2024-06-13 | Zf Friedrichshafen Ag | Independent suspension |
| CN102848872B (en) * | 2012-10-12 | 2015-08-26 | 上海瑞尔实业有限公司 | Automobile air spring loaded double cross arm independent suspension device |
| CN108263156A (en) * | 2018-03-02 | 2018-07-10 | 北京汽车研究总院有限公司 | The suspension swing arm component of vehicle and with its vehicle |
| CN110667703A (en) * | 2019-10-11 | 2020-01-10 | 上海科曼车辆部件系统股份有限公司 | Independent suspension axle system for commercial vehicle |
| CN212796435U (en) * | 2020-08-31 | 2021-03-26 | 厦门金龙联合汽车工业有限公司 | Independent suspension wheel edge driving assembly and upper control arm applied by same |
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