WO2019062864A1 - Integrated steering drive axle assembly and vehicle - Google Patents

Integrated steering drive axle assembly and vehicle Download PDF

Info

Publication number
WO2019062864A1
WO2019062864A1 PCT/CN2018/108364 CN2018108364W WO2019062864A1 WO 2019062864 A1 WO2019062864 A1 WO 2019062864A1 CN 2018108364 W CN2018108364 W CN 2018108364W WO 2019062864 A1 WO2019062864 A1 WO 2019062864A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
axle
shaft
gear
steering
Prior art date
Application number
PCT/CN2018/108364
Other languages
French (fr)
Chinese (zh)
Inventor
刘辉跃
刘广
韦佳
李双喜
Original Assignee
比亚迪股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 比亚迪股份有限公司 filed Critical 比亚迪股份有限公司
Publication of WO2019062864A1 publication Critical patent/WO2019062864A1/en

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12Torque-transmitting axles
    • B60B35/121Power-transmission from drive shaft to hub
    • B60B35/122Power-transmission from drive shaft to hub using gearings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60BVEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B35/00Axle units; Parts thereof ; Arrangements for lubrication of axles
    • B60B35/12Torque-transmitting axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00Arrangement or mounting of electrical propulsion units
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/06Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing
    • B60K17/08Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of change-speed gearing of mechanical type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT 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
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/04Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
    • B60K17/16Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
    • B60K17/165Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing provided between independent half axles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/18Steering knuckles; King pins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/20Links, e.g. track rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B62LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62DMOTOR VEHICLES; TRAILERS
    • B62D7/00Steering linkage; Stub axles or their mountings
    • B62D7/22Arrangements for reducing or eliminating reaction, e.g. vibration, from parts, e.g. wheels, of the steering system

Definitions

  • the present disclosure relates to the field of vehicle technology, and in particular, to an integrated steering axle assembly and a vehicle.
  • the drive axle assembly belongs to a general fuel drive axle assembly, and the power source of the axle is the fuel power provided by the engine, and the power needs to pass through a power transmission structure of a transmission shaft, a universal joint, etc., which reduces the mechanical transmission.
  • Efficiency is not conducive to the economic efficiency of energy use.
  • the present disclosure aims to solve at least one of the technical problems in the related art to some extent.
  • an object of the present disclosure is to provide an integrated steering axle assembly that can effectively improve the energy efficiency of the vehicle and reduce the loss of power during transmission.
  • Another object of the present disclosure is to provide a vehicle having the above-described integrated steering axle assembly.
  • An integrated steering axle assembly includes: a transaxle; an electric powertrain including: a motor and a transmission, the electric machine having a motor output, the transmission having a transmission input and a transmission output, the motor output being coupled to the transmission input; a differential, a left axle and a right axle, the outer casing of the differential being coupled to the transmission output, and the differential Connected to the left and right halves respectively; a steering assembly, wherein the electric power assembly, the differential, and the steering assembly are all integrated on the transaxle.
  • the differential is disposed inside the axle housing section 111 and cannot be shown. In Fig. 1, the differential is located between the axle housing rear cover 114 and the motor 120)
  • the integrated steering axle assembly of the present disclosure by integrating components such as an electric power assembly and a differential on the transaxle, the loss of power during transmission can be greatly reduced, and the energy utilization rate of the vehicle is improved. This in turn reduces the cost of using the vehicle.
  • the transaxle includes: a middle portion of the axle housing and a left axle housing and a right axle housing fork on the left and right sides of the middle portion of the axle housing.
  • the middle portion of the axle housing includes: an upper half axle shell and a lower half axle shell, the upper half axle shell and the lower half axle shell are both stamped parts, and the upper half axle shell And the lower half axle shell is welded and fixed.
  • the front side of the middle portion of the axle housing is welded and fixed with a front pad
  • the rear side of the middle portion of the axle housing is welded and fixed with a rear pad
  • the front pad is adapted to fix the electric power
  • the rear pad is adapted to fix the axle housing back cover.
  • the electric power assembly further includes: an electric oil pump for the electric oil pump that cools the motor.
  • the electric power assembly further includes: a case adapted to mount the motor and the transmission.
  • the motor output is a motor output shaft
  • the transmission input is a gearbox input shaft
  • the motor output shaft and the transmission input shaft are splined.
  • the transmission input shaft is rotatably mounted on the case.
  • the transmission input shaft is provided with a first transmission gear;
  • the transmission further includes: a first transmission shaft and a second transmission shaft, and the second transmission shaft is fixedly disposed on the first transmission shaft a gear and a plurality of spaced apart third transmission gears, the second transmission gear meshing with the first transmission gear, and the second transmission shaft is provided with a plurality of spaced apart fourth transmission gears, a plurality of The fourth transmission gear is in one-to-one correspondence with the plurality of the third transmission gears and meshes with each other, and the second transmission shaft is further provided with a synchronizer for synchronously rotating the fourth transmission gear and the second transmission shaft.
  • the second transmission shaft is provided with a fifth transmission gear
  • the differential is provided with a sixth transmission gear
  • the sixth transmission gear meshes with the fifth transmission gear
  • the first transmission gear, the second transmission gear, the third transmission gear, the fourth transmission gear, the fifth transmission gear, and the sixth transmission gear are both It is a helical gear.
  • the integrated steering axle assembly further includes: a wheel reducer, the wheel reducer is two, and one of the wheel reducers is adapted to be connected to the left A half axle and a left side hub, wherein the other wheel side reducer is adapted to connect the right and right side hubs.
  • the wheel reducer includes: a sun gear adapted to cooperate with the left half shaft or the right half shaft; a ring gear, the ring gear and the sun gear pass The planet wheels are connected and the ring gear is fixed to the hub.
  • the steering assembly includes:
  • a left wheel yoke and a right wheel yoke the left wheel yoke being rotatably disposed on the left axle yoke, the right wheel yoke being rotatably disposed on the right axle yoke on;
  • a left knuckle arm and a right knuckle arm fixedly disposed on an upper side of the left knuckle yoke, the right knuckle arm being fixedly disposed on an upper side of the right knuckle yoke;
  • the left steering trapezoidal arm is fixedly disposed on a lower side of the left wheel yoke
  • the right steering trapezoidal arm is fixedly disposed at a lower side of the right steering yoke
  • the vehicle according to the present disclosure includes the above-described integrated steering axle assembly, and since the vehicle according to the present disclosure is provided with the above-described integrated steering axle assembly, the energy consumption and the use cost of the vehicle are low, and the use of the occupant is improved. Feel.
  • FIG. 1 is a schematic view of a transaxle assembly in accordance with an embodiment of the present disclosure
  • FIG. 2 is a schematic illustration of a transaxle assembly in accordance with an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of an electric powertrain assembly in accordance with an embodiment of the present disclosure.
  • FIG. 4 is a schematic view of a drive axle mating with a steering assembly in accordance with an embodiment of the present disclosure
  • FIG. 5 is a schematic view of a transaxle mating with a steering assembly in accordance with an embodiment of the present disclosure
  • FIG. 6 is a schematic view of a wheel reducer in accordance with an embodiment of the present disclosure.
  • FIG. 7 is a cross-sectional view of a steering assembly in accordance with an embodiment of the present disclosure.
  • Figure 8 is a schematic illustration of a brake assembly in accordance with one embodiment of the present disclosure.
  • FIG. 9 is a cross-sectional view of a wheel reducer in accordance with an embodiment of the present disclosure.
  • Figure 10 is a schematic illustration of a transmission in accordance with one embodiment of the present disclosure.
  • FIG. 11 is an exploded view of a wheel reducer in accordance with an embodiment of the present disclosure.
  • Figure 12 is a schematic illustration of a vehicle in accordance with one embodiment of the present disclosure.
  • axle housing middle section 111 upper half axle housing 111a, lower half axle housing 111b, front pad 111c, rear pad 111d, left axle housing fork 112, right axle housing fork 113, axle housing rear cover 114 ,
  • Electric oil pump 140 housing 150,
  • Steering assembly 180 left wheel yoke 181, right wheel yoke 182, left knuckle arm 183, right knuckle arm 184, left steering trapezoidal arm 185, right steering trapezoidal arm 186, left half shaft sleeve 187, right Half shaft sleeve 188,
  • first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
  • features defining “first” and “second” may include at least one of the features, either explicitly or implicitly.
  • the meaning of "a plurality” is at least two, such as two, three, etc., unless specifically defined otherwise.
  • the terms “installation”, “connected”, “connected”, “fixed”, and the like, are to be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated or defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. The specific meanings of the above terms in the present disclosure can be understood by those skilled in the art on a case-by-case basis.
  • An integrated box drive axle assembly 100 of some embodiments of the present disclosure is described in detail below with respect to Figures 1-11.
  • the integrated box drive axle assembly 100 in accordance with the present disclosure includes a drive axle 110, an electric powertrain, a differential 161, a left axle half 162, and a right axle axle 163.
  • the transaxle 110 is disposed at the end of the force transmission system, and the torque output by the electric power assembly can be transmitted to the driving wheel.
  • the electric power assembly includes the motor 120 and the transmission 130.
  • the motor 120 has a motor output end
  • the transmission 130 has The transmission input end and the transmission output end are connected to the transmission input end
  • the outer casing of the differential 161 is connected to the transmission output end
  • the differential 161 is respectively connected to the left half shaft 162 and the right half shaft 163, wherein the electric power
  • the assembly and differential 161 are all integrated on the transaxle 110.
  • the differential is disposed inside the axle housing midsection 111, as in Fig. 1 the differential is located between the axle housing back cover 114 and the motor 120.
  • the motor 120 can be connected to the battery to convert electrical energy into mechanical energy, the motor output can output torque, the motor output transmits torque to the transmission input, and the transmission 130 transmits torque through the gears.
  • the torque is increased, the speed is reduced, and the torque is transmitted to the differential 161 through the transmission output, and the differential 161 transmits the torque to the left and right axles 163, 162, respectively.
  • the right half shaft 163 transmits torque to the wheels to rotate the wheels to advance or retreat the wheels.
  • the electric power assembly and the differential 161 are both integrated on the transaxle 110, and the electric power assembly and the differential 161 assembly are fixed together, and can be fixed on the transaxle 110 by a fixing device, through the gear of the electric power assembly. Directly connected to the differential 161, the power loss during the force transmission process is reduced, and the dynamic performance of the vehicle 10 is effectively improved.
  • the electric powertrain and the differential 161 are integrated on the transaxle 110, the transmission assembly is reduced in the force transmission structure, and the electric powertrain and the transaxle 110 are The transmission efficiency between the two is higher, and the weight of the whole vehicle is effectively reduced, and the performance of the whole vehicle is improved while saving the cost.
  • the transaxle 110 includes a left axle housing yoke 112 and a right axle housing yoke 113 on the left and right sides of the axle housing midsection 111 and the axle housing middle section 111.
  • the left axle housing section fork 112 is disposed at the left end of the axle housing middle section 111
  • the right axle housing section fork 113 is disposed at the right end of the axle housing middle section 111
  • the left axle housing section fork 112 and the right axle housing The joint between the fork 113 and the middle portion 111 of the axle housing is provided with a groove, a washer is arranged in the groove, the washer and the middle portion 111 of the axle shell are fixed by welding, and the washer at the left end is respectively connected with the middle portion 111 of the axle shell and the fork portion 112 of the left axle housing.
  • the right end washers are respectively matched with the axle housing middle section 111 and the right axle housing yoke 113, and the gasket is arranged to improve the connection strength between the left axle housing yoke 112 and the right axle housing yoke 113, and the entire process is adjusted to enhance the whole
  • the structural strength of the drive axle 110 helps to increase the load of the transaxle 110, and the left axle housing fork 112 and the right axle housing fork 113 are disposed on both sides of the axle housing mid section 111 to facilitate the rotation of other assemblies.
  • the efficiency of mounting the transaxle 110 can be improved during the final assembly process.
  • the axle housing midsection 111 includes an upper half axle housing 111a and a lower half axle housing 111b, the upper half axle housing 111a and the lower half axle housing 111b are stamped and the upper half axle housing 111a and the lower half axle The shell 111b welder is fixed.
  • the upper half axle shell 111a and the lower half axle shell 111b may be formed by stamping steel sheets. Since the upper half axle shell 111a and the lower half axle shell 111b are symmetrically arranged, they have the same structure, and the same mold can be used in the stamping process to reduce development. Cost, and by the stamped axle housing, the weight of the axle shell is lower than that of the cast cast axle shell with the same strength, and the upper half axle shell 111a and the lower half axle shell 111b are fixed by welding so that the entire axle shell mid section 111 The strength fully satisfies the strength requirements of the vehicle 10 for the transaxle 110.
  • a front pad 111c is welded and fixed on the front side of the intermediate portion 111 of the axle housing, and a rear pad 111d is welded to the rear side of the middle portion 111 of the axle housing, and the front pad 111c is adapted to fix the total electric power.
  • the rear pad 111d is adapted to fix the axle housing back cover 114.
  • an installation space for connecting the electric power assembly to the left half shaft 162 and the right half shaft 163 is reserved at the intermediate position, and the front pad 111c may be configured as a ring. And the front pad 111c is provided with a threaded hole for connecting the electric power assembly.
  • the outer casing of the electric power assembly is in contact with the front pad 111c, and is passed through the bolt
  • the housing of the electric power assembly is fixed on the front pad 111c to stabilize the connection between the electric power assembly and the transaxle 110, and the front pad 111c can improve the mounting stability of the electric power assembly, so that the electric power The assembly is more securely installed.
  • the installation space formed by the upper half axle shell 111a and the lower half axle shell 111b may be connected and closed to the electric power assembly, as shown in the figure.
  • the other side of the installation space may be exposed to the operator's field of view when the axle housing back cover 114 is not installed, and the electric power assembly and the transaxle 110 may be disposed from the side of the axle housing rear cover 114 from the side of the assembly.
  • the rear pad 111d extends rearward, and the rear pad 111d is provided with a threaded hole, and the axle housing rear cover 114 is correspondingly provided with a threaded hole, and the axle housing rear cover 114 can be fixed on the rear pad 111d.
  • the axle housing rear cover 114 will close the middle portion 111 of the axle housing to seal the connection between the electric power assembly and the transaxle 110 to protect the transmission assembly between the electric power assembly and the transaxle 110.
  • the electric power assembly further includes an electric oil pump 140 for cooling the electric motor 120, and a cooling water passage for cooling liquid circulation may be disposed on the outer casing of the electric motor 120, and the cooling water passage has a cooling water passage opening and a cooling water passage.
  • an electric oil pump 140 is further disposed on the casing of the motor 120, and the electric oil pump 140 is used to power the flow of the coolant.
  • a cooling oil may be employed as the cooling liquid, and the electric oil pump 140 may be connected to the battery, and the battery may provide a voltage required for the electric oil pump 140 to operate.
  • the electric power assembly further includes a case 150 adapted to mount the motor 120 and the transmission 130, and the case 150 provides mounting controls for the installation of the motor 120 and the transmission 130, and can be used To protect the motor 120 and the transmission 130, the motor 120 and the transmission 130 can be better coupled to other components via the housing 150.
  • the motor output end is the motor 120 output shaft
  • the transmission input end is the transmission input shaft
  • the motor 120 output shaft and the transmission input shaft 131 are spline-connected, and the power output from the output shaft of the electric motor is transmitted to the transmission through the spline.
  • the input shaft 131 makes the transfer process between the engine and the transmission 130 simple, and the torque that can be transmitted is larger, and the spline makes the connection manner of the output shaft of the motor 120 and the transmission input shaft 131 stable and reliable, and the vehicle 10 is reinforced.
  • the integration rate enables more efficient production of the integrated steering axle assembly 100 in the production process.
  • the spline on the output shaft of the motor 120 can be provided with an internal spline, and the transmission input shaft 131 can be provided with an external spline.
  • the internal spline and the external spline can improve the stability of the electric power assembly.
  • the transmission input shaft 131 is rotatably mounted on the casing 150, and the transmission input shaft 131 is fixed relative to the casing 150.
  • the casing 150 may be provided with a needle bearing adapted to mount the transmission input shaft 131, and the rolling bearing The axis of the transmission input shaft 131 can be fixed and the transmission input shaft 131 can be rotated on the needle bearing to transmit torque to the other gear and force transmitting components.
  • the transmission input shaft 131 is provided with a first transmission gear 131a.
  • the transmission 130 further includes a first transmission shaft 132 and a second transmission shaft 133.
  • the first transmission shaft 132 is fixedly disposed with a second transmission gear 132a and a plurality of spaced apart portions.
  • the third transmission gear 132b, the second transmission gear 132a is meshed with the first transmission gear 131a, and the second transmission shaft 133 is provided with a plurality of spaced apart fourth transmission gears 133a, a plurality of fourth transmission gears 133a and a plurality of third transmissions
  • the gears 132b are in one-to-one correspondence and mesh with each other, and the second transmission shaft 133 is further provided with a synchronizer 133c for rotating the fourth transmission gear 133a and the second transmission shaft 133 in synchronization.
  • the first transmission gear 131a meshes with the second transmission gear 132a to transmit torque from the transmission input shaft 131 to the first transmission shaft 132, and the torque on the first transmission shaft 132 can pass through the third transmission gear 132b and the fourth transmission gear.
  • the engagement of 133a is transmitted, the radii of the plurality of third transfer gears 132b on the first drive shaft 132 are different, and the radii of the plurality of fourth transfer gears 133a on the second drive shaft 133 are different to achieve different gear ratios.
  • the synchronizer 133c can fix any one of the fourth transmission gears 133a and the second transmission shaft 133 to transmit the torque to the second transmission shaft 133 through the first transmission shaft, wherein the transmission process can be from the first transmission shaft.
  • the transmission to any of the third transmission gears 132b to the corresponding fourth transmission gears 133a is again transmitted to the second transmission shaft 133 through the synchronizer 133c.
  • the transmission 130 has a plurality of different transmission ratios, which can satisfy the different torques and rotational speeds of the vehicle 10.
  • a fifth transmission gear 133b is disposed on the second transmission shaft 133
  • a sixth transmission gear 161a is disposed on the differential 161
  • the sixth transmission gear 161a is meshed with the fifth transmission gear 133b.
  • the second transmission shaft 133 fixes any one of the fourth transmission gears 133a by the synchronizer 133c to obtain a corresponding torque
  • the fifth transmission gear 133b is fixed to the second transmission shaft 133
  • the fifth transmission gear transmits the torque to the sixth.
  • the transmission gear 161a that is, the torque after shifting through the transmission 130, is transmitted to the differential 161
  • the engagement between the fifth transmission gear 133b and the sixth transmission gear 161a reduces the relationship between the transmission 130 and the differential 161.
  • the force transmission component avoids the loss of power during the transmission process, further reduces the weight of the integrated steering axle assembly 100, can reduce the weight of the whole vehicle, and saves the cost and improves the dynamic performance of the vehicle 10.
  • the first transmission gear 131a, the second transmission gear 132a, the third transmission gear 132b, the fourth transmission gear 133a, the fifth transmission gear 133b, and the sixth transmission gear 161a are all helical gears, and the helical gears can be integrated.
  • the steering axle assembly 100 has better meshing performance, and the helical gear can make the transmission smooth and the noise is small, and the helical gear has a large carrying capacity and a long service life compared with the ordinary gear.
  • the integrated steering axle assembly 100 further includes a wheel reducer 170 having two wheel reducers 170, one of which is adapted to connect the left axle 162 and the left side a hub, wherein the other wheel reducer 170 is adapted to connect the right half shaft 163 and the right side hub, and the wheel reducer 170 can reduce the rotational speed of the left half shaft 162 or the right half shaft 163 and increase the torque to make the speed reducer The connected wheels have sufficient torque.
  • the wheel reducer 170 includes a sun gear 171 and a ring gear 174, the sun gear 171 is adapted to cooperate with the left half shaft 162 or the right half shaft 163, and the ring gear 174 is coupled to the sun gear 171 via the planet gear 172, the ring gear 174 Fixed to the hub.
  • the sun gear 171 transmits power from the left half shaft 162 or the right half shaft 163 to the plurality of planet gears 172, the planetary gears 172 mesh with the ring gear 174, and the plurality of planet wheels 172 can be rotatably disposed on the planets through the needle bearings
  • the carrier 173 can be fixed on the transaxle 110, and the planetary gear 172 transmits power to the ring gear 174.
  • the outer side of the ring gear 174 is provided with a reducer housing, and the reducer housing is fixed on the hub, so that the power can be transmitted.
  • the reducer housing has a lower rotational speed relative to the left half shaft 162 or the right half shaft 163 and a higher torque.
  • the wheel reducer 170 may have a wheel reducer housing 175, and the wheel reducer housing 175 may be coupled to the ring gear 174 by bolts.
  • the ring gear 174 may be loosened by a lock washer, and the wheel reducer housing 175 may be
  • the hub is connected by bolts, and the torque is transmitted from the electric powertrain through the transaxle 110, the left half shaft 162 or the right half shaft 163, and the wheel reducer 170 to the hub, so that the wheel has a forward driving torque.
  • the integrated steering axle assembly 100 further includes a steering assembly 180 that includes a left wheel yoke 181 and a right wheel yoke 182, a left knuckle arm 183 and a right knuckle Arm 184, left half shaft sleeve 187 and right half shaft sleeve 188.
  • the left wheel yoke 181 is rotatably disposed on the left axle housing yoke 112, and the right wheel yoke 182 is rotatably disposed on the right axle housing yoke 113; the left knuckle arm 183 is fixedly disposed on the left wheel yoke 181 Upper right knuckle arm 184 is fixedly disposed on right knuckle fork; left half shaft sleeve 187 is fixed on left wheel yoke 181, and right half shaft sleeve 188 is fixed on right wheel yoke 182, left half shaft The 162 and right half shafts 163 are rotatably disposed on the left and right side sleeves 187, 188, respectively.
  • the left wheel yoke 181 is disposed on the left side of the transaxle 110, and the left wheel yoke 181 is rotatable relative to the transaxle 110, and the upper side of the left rim 181 is provided with a left knuckle arm 183 for The steering rod is connected, and the steering rod can transmit the power of the steering to the left wheel yoke 181 to rotate the left wheel yoke 181.
  • the lower side of the left wheel yoke 181 is provided with a left steering trapezoidal arm 185, and the left steering trapezoidal arm 185 can be Connected to the tie rod to synchronize the left steering fork with the right steering fork.
  • the upper side of the left knuckle arm 183 may be provided with a fixing block for reinforcing the connection portion of the left knuckle arm 186 and the steering rod, and adding the strength of the left knuckle arm 183 to improve the steering of the wheel. sexually, the life of the left knuckle arm 183 is effectively extended.
  • the right knuckle arm 184 of the right side of the transaxle 110 is fixed in a manner similar to the above-described fixing.
  • the end of the left half shaft sleeve 187 may be provided with a spline, and the left half shaft sleeve 187 may be coupled to the sun gear on the wheel reducer 170 by splines to transmit the torque from the left half shaft 162 to the wheel side. Reducer 170.
  • the fixing manner of the right half shaft sleeve 188 is similar to the above fixing manner, and details are not described herein again.
  • the right wheel yoke 182 is disposed on the right side of the transaxle 110, and the right wheel yoke 182 is rotatable relative to the transaxle 110, and the upper side of the right wheel yoke 182 is provided with a right knuckle arm 184 for
  • the steering rod is connected, and the steering rod can transmit the power of the steering to the right wheel yoke 182 to rotate the right wheel yoke 182.
  • the lower side of the right wheel yoke 182 is provided with a right steering trapezoidal arm 186 and a right steering trapezoid
  • the arm 186 can be coupled to the tie rod to synchronize the right steering fork with the left steering fork.
  • the transaxle 110 is mainly welded, and the middle portion 111 of the axle housing is mainly an upper half axle shell 111a stamped by two steel plates, and the lower half axle shell 111b is first welded, the front gasket 111c The rear pad 111d and the four leaf spring mounting limiting seats are also welded and fixed on the middle portion 111 of the axle housing.
  • the middle portion 111 of the axle housing using the steel plate stamping and welding structure is much lighter than the cast axle housing.
  • the joint between the left axle shell fork 112 and the right axle shell fork 113 and the middle portion 111 of the axle shell is over-tilted, and is welded through the middle washer and the middle portion 111 of the axle shell.
  • This welding method has high strength and good rigidity after welding. Can withstand large loads.
  • the left half shaft 162 and the right half shaft 163 pass through the needle bearing, the rim for the hole, and the two rubber oil seals respectively mounted on the left axle housing yoke 112 and the right axle housing yoke 113, thereby the left half shaft 162.
  • the right half shaft 163 is fixed to the left axle housing fork 112 and the right axle housing fork 113 for support, and the sealing performance is good.
  • the upper and lower sides of the left axle housing fork 112 and the right axle housing fork 113 are press-fitted with an upper kingpin, a lower kingpin, and an upper kingpin that are interference-fitted with the left axle housing fork 112 and the right axle housing fork 113.
  • the sleeve is placed over the copper sleeve and the upper sleeve is passed through the copper sleeve, the thrust roller bearing and the combined oil seal.
  • the left wheel yoke 181 and the right wheel yoke 182 are respectively fixed up and down by bolts, and a plurality of long bolts may be respectively passed through the left knuckle arm 183 and the right knuckle arm 184, the fixed block and the left wheel yoke 181 or right.
  • the wheel yoke 182 reinforces the unitary structure, and the lower side may employ a plurality of bolts through the left turn trapezoidal arm 185 and the right turn trapezoidal arm 186 to secure it to the left and right wheel yokes 181, 182.
  • FIG. 12 is a schematic illustration of a vehicle in accordance with one embodiment of the present disclosure.
  • the vehicle 10 includes an integrated steering axle assembly 100.
  • the integrated steering axle assembly 100 can be referred to the drawings and descriptions of FIGS. 1 to 11 . To avoid repetition, details are not described herein again.
  • An integrated steering axle assembly 100 according to the present disclosure is provided on a vehicle according to the present disclosure, since the integrated steering axle assembly 100 according to the present disclosure is provided on a vehicle according to the present disclosure, the vehicle weight of the vehicle Light, high transmission efficiency and high degree of integration.

Abstract

An integrated steering drive axle assembly (100), comprising: a drive axle (110); an electric power assembly, the electric power assembly comprising: a motor (120) and a transmission (130), the motor (120) having a motor output end, the transmission (130) having a transmission input end and a transmission output end, the motor output end being connected to the transmission input end; a differential (161), a left half shaft (162) and a right half shaft (163), a housing of the differential (161) being connected to the transmission output end, the differential (161) being connected to the left half shaft (162) and the right half shaft (163); the electric power assembly and the differential (161) are both integrated on the drive axle. Also provided is a vehicle having the integrated steering drive axle assembly (100). The use of the integrated steering drive axle assembly enables low energy consumption and use cost of the vehicle, and improves the use experience of the passengers.

Description

集成式转向驱动桥总成和车辆Integrated steering axle assembly and vehicle
相关申请的交叉引用Cross-reference to related applications
本申请要求比亚迪股份有限公司于2017年9月30日提交的、发明名称为“集成式转向驱动桥总成和车辆”的、中国专利申请号“201710922697.1”的优先权。The present application claims the priority of the Chinese Patent Application No. "201710922697.1" filed on September 30, 2017 by the BYD Co., Ltd., entitled "Integrated Steering Drive Assemblies and Vehicles".
技术领域Technical field
本公开涉及车辆技术领域,特别涉及一种集成式转向驱动桥总成和车辆。The present disclosure relates to the field of vehicle technology, and in particular, to an integrated steering axle assembly and a vehicle.
背景技术Background technique
相关技术中驱动桥总成属于一般的燃油驱动桥总成,车桥的动力来源为发动机提供的燃油动力,该动力需经过传动轴、万向节等的动力传递结构,这样会降低机械的传动效率,不利于能源利用的经济高效。In the related art, the drive axle assembly belongs to a general fuel drive axle assembly, and the power source of the axle is the fuel power provided by the engine, and the power needs to pass through a power transmission structure of a transmission shaft, a universal joint, etc., which reduces the mechanical transmission. Efficiency is not conducive to the economic efficiency of energy use.
发明内容Summary of the invention
本公开旨在至少在一定程度上解决相关技术中的技术问题之一。The present disclosure aims to solve at least one of the technical problems in the related art to some extent.
为此,本公开的一个目的在于提出一种集成式转向驱动桥总成,该集成式转动驱动桥总成可以有效提升车辆的能源利用率,降低动力在传递过程中的损耗。To this end, an object of the present disclosure is to provide an integrated steering axle assembly that can effectively improve the energy efficiency of the vehicle and reduce the loss of power during transmission.
本公开的另一目的在于提出一种具有上述集成式转向驱动桥总成的车辆。Another object of the present disclosure is to provide a vehicle having the above-described integrated steering axle assembly.
根据本公开的集成式转向驱动桥总成,包括:驱动桥;电动力总成,所述电动力总成包括:电机和变速器,所述电机具有电机输出端,所述变速器具有变速器输入端和变速器输出端,所述电机输出端与所述变速器输入端相连;差速器、左半轴和右半轴,所述差速器的外壳与所述变速器输出端相连,且所述差速器分别与所述左半轴和所述右半轴相连;转向总成,其中所述电动力总成、所述差速器、所述转向总成均集成在所述驱动桥上。(差速器设置在桥壳中段111的内部,无法示出,在图1中差速器位于桥壳后盖114与电机120之间)An integrated steering axle assembly according to the present disclosure includes: a transaxle; an electric powertrain including: a motor and a transmission, the electric machine having a motor output, the transmission having a transmission input and a transmission output, the motor output being coupled to the transmission input; a differential, a left axle and a right axle, the outer casing of the differential being coupled to the transmission output, and the differential Connected to the left and right halves respectively; a steering assembly, wherein the electric power assembly, the differential, and the steering assembly are all integrated on the transaxle. (The differential is disposed inside the axle housing section 111 and cannot be shown. In Fig. 1, the differential is located between the axle housing rear cover 114 and the motor 120)
根据本公开的集成式转向驱动桥总成,通过将电动力总成和差速器等零部件集成在驱动桥上,可以大幅降低动力在传递过程中的损耗,提升了车辆的能源利用率,进而降低了车辆的使用成本。According to the integrated steering axle assembly of the present disclosure, by integrating components such as an electric power assembly and a differential on the transaxle, the loss of power during transmission can be greatly reduced, and the energy utilization rate of the vehicle is improved. This in turn reduces the cost of using the vehicle.
根据本公开的一个实施例,所述驱动桥包括:桥壳中段和位于所述桥壳中段左右两侧的左桥壳节叉和右桥壳节叉。According to an embodiment of the present disclosure, the transaxle includes: a middle portion of the axle housing and a left axle housing and a right axle housing fork on the left and right sides of the middle portion of the axle housing.
根据本公开的一个实施例,所述桥壳中段包括:上半桥壳和下半桥壳,所述上半桥壳 和所述下半桥壳均为冲压件,且所述上半桥壳和所述下半桥壳焊接固定。According to an embodiment of the present disclosure, the middle portion of the axle housing includes: an upper half axle shell and a lower half axle shell, the upper half axle shell and the lower half axle shell are both stamped parts, and the upper half axle shell And the lower half axle shell is welded and fixed.
根据本公开的一个实施例,所述桥壳中段的前侧焊接固定有前垫板,所述桥壳中段的后侧焊接固定有后垫板,所述前垫板适于固定所述电动力总成,所述后垫板适于固定桥壳后盖。According to an embodiment of the present disclosure, the front side of the middle portion of the axle housing is welded and fixed with a front pad, and the rear side of the middle portion of the axle housing is welded and fixed with a rear pad, and the front pad is adapted to fix the electric power The assembly, the rear pad is adapted to fix the axle housing back cover.
根据本公开的一个实施例,所述电动力总成还包括:电动油泵,所述电动油泵用于对电机进行冷却的电动油泵。According to an embodiment of the present disclosure, the electric power assembly further includes: an electric oil pump for the electric oil pump that cools the motor.
根据本公开的一个实施例,所述电动力总成还包括:箱体,所述箱体适于安装所述电机和所述变速器。According to an embodiment of the present disclosure, the electric power assembly further includes: a case adapted to mount the motor and the transmission.
根据本公开的一个实施例,所述电机输出端为电机输出轴,所述变速器输入端为变速箱输入轴,所述电机输出轴和所述变速器输入轴通过花键相连。According to an embodiment of the present disclosure, the motor output is a motor output shaft, the transmission input is a gearbox input shaft, and the motor output shaft and the transmission input shaft are splined.
根据本公开的一个实施例,所述变速器输入轴可转动地安装在所述箱体上。According to an embodiment of the present disclosure, the transmission input shaft is rotatably mounted on the case.
根据本公开的一个实施例,所述变速器输入轴上设置有第一传动齿轮;所述变速器还包括:第一传动轴和第二传动轴,所述第一传动轴上固定设置有第二传动齿轮和多个间隔开的第三传动齿轮,所述第二传动齿轮与所述第一传动齿轮啮合,所述第二传动轴上设置有多个间隔开的第四传动齿轮,多个所述第四传动齿轮与多个所述第三传动齿轮一一对应且彼此啮合,所述第二传动轴上还设置有使所述第四传动齿轮与所述第二传动轴同步转动的同步器。According to an embodiment of the present disclosure, the transmission input shaft is provided with a first transmission gear; the transmission further includes: a first transmission shaft and a second transmission shaft, and the second transmission shaft is fixedly disposed on the first transmission shaft a gear and a plurality of spaced apart third transmission gears, the second transmission gear meshing with the first transmission gear, and the second transmission shaft is provided with a plurality of spaced apart fourth transmission gears, a plurality of The fourth transmission gear is in one-to-one correspondence with the plurality of the third transmission gears and meshes with each other, and the second transmission shaft is further provided with a synchronizer for synchronously rotating the fourth transmission gear and the second transmission shaft.
根据本公开的一个实施例,所述第二传动轴上设置有第五传动齿轮,所述差速器上设置有第六传动齿轮,所述第六传动齿轮与所述第五传动齿轮啮合。According to an embodiment of the present disclosure, the second transmission shaft is provided with a fifth transmission gear, and the differential is provided with a sixth transmission gear, and the sixth transmission gear meshes with the fifth transmission gear.
根据本公开的一个实施例,所述第一传动齿轮、所述第二传动齿轮、所述第三传动齿轮、所述第四传动齿轮、所述第五传动齿轮和所述第六传动齿轮均为斜齿轮。According to an embodiment of the present disclosure, the first transmission gear, the second transmission gear, the third transmission gear, the fourth transmission gear, the fifth transmission gear, and the sixth transmission gear are both It is a helical gear.
根据本公开的一个实施例,所述集成式转向驱动桥总成还包括:轮边减速器,所述轮边减速器为两个,且其中一个轮边减速器适于适于连接所述左半轴和左侧轮毂,其中另一个轮边减速器适于连接所述右半轴和右侧轮毂。According to an embodiment of the present disclosure, the integrated steering axle assembly further includes: a wheel reducer, the wheel reducer is two, and one of the wheel reducers is adapted to be connected to the left A half axle and a left side hub, wherein the other wheel side reducer is adapted to connect the right and right side hubs.
根据本公开的一个实施例,所述轮边减速器包括:太阳轮,所述太阳轮适于与所述左半轴或所述右半轴配合;齿圈,所述齿圈与太阳轮通过行星轮相连,且所述齿圈固定在所述轮毂上。According to an embodiment of the present disclosure, the wheel reducer includes: a sun gear adapted to cooperate with the left half shaft or the right half shaft; a ring gear, the ring gear and the sun gear pass The planet wheels are connected and the ring gear is fixed to the hub.
根据本公开的一个实施例,所述转向总成包括:According to an embodiment of the present disclosure, the steering assembly includes:
左轮边节叉和右轮边节叉,所述左轮边节叉可转动地设置在所述左桥壳节叉上,所述右轮边节叉可转动地设置在所述右桥壳节叉上;a left wheel yoke and a right wheel yoke, the left wheel yoke being rotatably disposed on the left axle yoke, the right wheel yoke being rotatably disposed on the right axle yoke on;
左转向节臂和右转向节臂,所述左转向节臂固定设置在所述左轮边节叉的上侧,所述右转向节臂固定设置在所述右转向节叉的上侧;a left knuckle arm and a right knuckle arm fixedly disposed on an upper side of the left knuckle yoke, the right knuckle arm being fixedly disposed on an upper side of the right knuckle yoke;
左转向梯形臂和右转向梯形臂,所述左转向梯形臂固定设置在所述左轮边节叉的下侧,所述右转向梯形臂固定设置在所述右转向节叉的下侧;a left steering trapezoidal arm and a right steering trapezoidal arm, the left steering trapezoidal arm is fixedly disposed on a lower side of the left wheel yoke, and the right steering trapezoidal arm is fixedly disposed at a lower side of the right steering yoke;
左半轴套管和右半轴套管,所述左半轴套管固定在所述左轮边节叉上,所述右半轴套管固定在所述右轮边节叉上,所述左半轴和所述右半轴分别可转动地设置在所述左半轴套管和所述右半轴套管上。a left half shaft sleeve and a right half shaft sleeve fixed to the left wheel side fork, the right half shaft sleeve being fixed to the right wheel side fork, the left A half shaft and the right half shaft are rotatably disposed on the left and right axle bushings, respectively.
根据本公开的车辆包括上述的集成式转向驱动桥总成,由于根据本公开的车辆设置有上述的集成式转向驱动桥总成,因此该车辆的能耗和使用成本低,提升了乘员的使用感受。The vehicle according to the present disclosure includes the above-described integrated steering axle assembly, and since the vehicle according to the present disclosure is provided with the above-described integrated steering axle assembly, the energy consumption and the use cost of the vehicle are low, and the use of the occupant is improved. Feel.
本公开的附加方面和优点将在下面的描述中部分给出,部分将从下面的描述中变得明显,或通过本公开的实践了解到。The additional aspects and advantages of the present disclosure will be set forth in part in the description which follows.
附图说明DRAWINGS
图1是根据本公开一个实施例的驱动桥总成的示意图;1 is a schematic view of a transaxle assembly in accordance with an embodiment of the present disclosure;
图2是根据本公开一个实施例的驱动桥总成的示意图;2 is a schematic illustration of a transaxle assembly in accordance with an embodiment of the present disclosure;
图3是根据本公开一个实施例的电动力总成的示意图;3 is a schematic diagram of an electric powertrain assembly in accordance with an embodiment of the present disclosure;
图4是根据本公开一个实施例的驱动桥与转向总成配合的示意图;4 is a schematic view of a drive axle mating with a steering assembly in accordance with an embodiment of the present disclosure;
图5是根据本公开一个实施例的驱动桥与转向总成配合的示意图;5 is a schematic view of a transaxle mating with a steering assembly in accordance with an embodiment of the present disclosure;
图6是根据本公开一个实施例的轮边减速器的示意图;6 is a schematic view of a wheel reducer in accordance with an embodiment of the present disclosure;
图7是根据本公开一个实施例的转向总成的剖视图;7 is a cross-sectional view of a steering assembly in accordance with an embodiment of the present disclosure;
图8是根据本公开一个实施例的制动器总成的示意图;Figure 8 is a schematic illustration of a brake assembly in accordance with one embodiment of the present disclosure;
图9是根据本公开一个实施例的轮边减速器的剖视图;9 is a cross-sectional view of a wheel reducer in accordance with an embodiment of the present disclosure;
图10是根据本公开一个实施例的变速器的示意图;Figure 10 is a schematic illustration of a transmission in accordance with one embodiment of the present disclosure;
图11是根据本公开一个实施例的轮边减速器的爆炸图;11 is an exploded view of a wheel reducer in accordance with an embodiment of the present disclosure;
图12是根据本公开一个实施例的车辆的示意图。Figure 12 is a schematic illustration of a vehicle in accordance with one embodiment of the present disclosure.
附图标记:Reference mark:
车辆10, Vehicle 10,
驱动桥总成100,Drive axle assembly 100,
驱动桥110,桥壳中段111,上半桥壳111a,下半桥壳111b,前垫板111c,后垫板111d,左桥壳节叉112,右桥壳节叉113,桥壳后盖114, Drive axle 110, axle housing middle section 111, upper half axle housing 111a, lower half axle housing 111b, front pad 111c, rear pad 111d, left axle housing fork 112, right axle housing fork 113, axle housing rear cover 114 ,
电机120, Motor 120,
变速器130,变速器输入轴131,第一传动齿轮131a,第一传动轴132,第二传动齿轮132a,第三传动齿轮132b,第二传动轴133,第四传动齿轮133a,第五传动齿轮133b,同 步器133c,The transmission 130, the transmission input shaft 131, the first transmission gear 131a, the first transmission shaft 132, the second transmission gear 132a, the third transmission gear 132b, the second transmission shaft 133, the fourth transmission gear 133a, and the fifth transmission gear 133b, Synchronizer 133c,
电动油泵140,箱体150, Electric oil pump 140, housing 150,
差速器161,第六传动齿轮161a,左半轴162,右半轴163,a differential 161, a sixth transmission gear 161a, a left half shaft 162, and a right half shaft 163,
轮边减速器170,太阳轮171,行星轮172,行星架173,齿圈174,轮边减速器外壳175, Wheel reducer 170, sun gear 171, planet gear 172, planet carrier 173, ring gear 174, wheel reducer housing 175,
转向总成180,左轮边节叉181,右轮边节叉182,左转向节臂183,右转向节臂184,左转向梯形臂185,右转向梯形臂186,左半轴套管187,右半轴套管188, Steering assembly 180, left wheel yoke 181, right wheel yoke 182, left knuckle arm 183, right knuckle arm 184, left steering trapezoidal arm 185, right steering trapezoidal arm 186, left half shaft sleeve 187, right Half shaft sleeve 188,
制动器总成190。 Brake assembly 190.
具体实施方式Detailed ways
下面详细描述本公开的实施例,所述实施例的示例在附图中示出。下面通过参考附图描述的实施例是示例性的,旨在用于解释本公开,而不能理解为对本公开的限制。Embodiments of the present disclosure are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative, and are not intended to be construed as limiting.
在本公开的描述中,需要理解的是,术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”、“轴向”、“径向”、“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述本公开和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本公开的限制。In the description of the present disclosure, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present disclosure and the simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the disclosure.
此外,术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此,限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本公开的描述中,“多个”的含义是至少两个,例如两个,三个等,除非另有明确具体的限定。Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include at least one of the features, either explicitly or implicitly. In the description of the present disclosure, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.
在本公开中,除非另有明确的规定和限定,术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接或彼此可通讯;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系,除非另有明确的限定。对于本领域的普通技术人员而言,可以根据具体情况理解上述术语在本公开中的具体含义。In the present disclosure, the terms "installation", "connected", "connected", "fixed", and the like, are to be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated or defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. The specific meanings of the above terms in the present disclosure can be understood by those skilled in the art on a case-by-case basis.
下面根据图1-图11对本公开的一些实施例的集成式装箱驱动桥总成100进行详细描述。An integrated box drive axle assembly 100 of some embodiments of the present disclosure is described in detail below with respect to Figures 1-11.
根据本公开的集成式装箱驱动桥总成100包括驱动桥110、电动力总成、差速器161、左半轴162和右半轴163。The integrated box drive axle assembly 100 in accordance with the present disclosure includes a drive axle 110, an electric powertrain, a differential 161, a left axle half 162, and a right axle axle 163.
其中,驱动桥110设置在传力系统的末端,可以将电动力总成输出的转矩传递给驱动 轮,电动力总成包括,电机120和变速器130,电机120具有电机输出端,变速器130具有变速器输入端和变速器输出端,电机输出端与变速器输入端相连,差速器161的外壳与变速器输出端相连,且差速器161分别与左半轴162和右半轴163相连,其中电动力总成、差速器161均集成在驱动桥110上。Wherein, the transaxle 110 is disposed at the end of the force transmission system, and the torque output by the electric power assembly can be transmitted to the driving wheel. The electric power assembly includes the motor 120 and the transmission 130. The motor 120 has a motor output end, and the transmission 130 has The transmission input end and the transmission output end are connected to the transmission input end, the outer casing of the differential 161 is connected to the transmission output end, and the differential 161 is respectively connected to the left half shaft 162 and the right half shaft 163, wherein the electric power The assembly and differential 161 are all integrated on the transaxle 110.
差速器设置在桥壳中段111的内部,如在图1中差速器位于桥壳后盖114与电机120之间。The differential is disposed inside the axle housing midsection 111, as in Fig. 1 the differential is located between the axle housing back cover 114 and the motor 120.
在电动力总成中电机120可以与电池连接,将电能转化为机械能,电机输出端可以输出转矩,电机输出端将转矩传递给变速器输入端,变速器130将转矩通过齿轮之间的传动使转矩增加、转速降低,并且通过变速器输出端将转将转矩传递给差速器161,差速器161将转矩分别传递到左半轴162和右半轴163中,左半轴162与右半轴163将力矩传递到车轮以使车轮转动以使车轮前进或后退。In the electric powertrain, the motor 120 can be connected to the battery to convert electrical energy into mechanical energy, the motor output can output torque, the motor output transmits torque to the transmission input, and the transmission 130 transmits torque through the gears. The torque is increased, the speed is reduced, and the torque is transmitted to the differential 161 through the transmission output, and the differential 161 transmits the torque to the left and right axles 163, 162, respectively. The right half shaft 163 transmits torque to the wheels to rotate the wheels to advance or retreat the wheels.
电动力总成与差速器161均集成在驱动桥110上,电动力总成与差速器161总成固定在一起,可以通过固定装置固定在驱动桥110上,通过电动力总成的齿轮直接与差速器161相连,减少了传力过程中的动力损失,有效提高了车辆10的动力性能。The electric power assembly and the differential 161 are both integrated on the transaxle 110, and the electric power assembly and the differential 161 assembly are fixed together, and can be fixed on the transaxle 110 by a fixing device, through the gear of the electric power assembly. Directly connected to the differential 161, the power loss during the force transmission process is reduced, and the dynamic performance of the vehicle 10 is effectively improved.
根据本公开的集成式转向驱动桥总成100,将电动力总成和差速器161集成在驱动桥110上,在传力的结构上减少了传动组件,使电动力总成与驱动桥110之间的传动效率更高,并且有效地降低了整车的重量,节约成本的同时使整车的性能得到了提升。According to the integrated steering axle assembly 100 of the present disclosure, the electric powertrain and the differential 161 are integrated on the transaxle 110, the transmission assembly is reduced in the force transmission structure, and the electric powertrain and the transaxle 110 are The transmission efficiency between the two is higher, and the weight of the whole vehicle is effectively reduced, and the performance of the whole vehicle is improved while saving the cost.
根据本公开的一些实施例,驱动桥110包括桥壳中段111和桥壳中段111左右两侧的左桥壳节叉112和右桥壳节叉113。According to some embodiments of the present disclosure, the transaxle 110 includes a left axle housing yoke 112 and a right axle housing yoke 113 on the left and right sides of the axle housing midsection 111 and the axle housing middle section 111.
如图4和如图7所示,左桥壳节叉112设置在桥壳中段111的左端,右桥壳节叉113设置在桥壳中段111的右端,左桥壳节叉112和右桥壳节叉113与桥壳中段111的连接处均设置有坡口,在坡口中设置有垫圈,垫圈与桥壳中段111通过焊接固定,左端的垫圈分别与桥壳中段111和左桥壳节叉112配合,右端的垫圈分别与桥壳中段111和右桥壳节叉113配合,垫圈的设置可以提左桥壳节叉112与右桥壳节叉113之间的连接强度,通过调整工艺以提升整个驱动桥110的结构强度,有助于提高驱动桥110的载荷,并且将左桥壳节叉112与右桥壳节叉113设置在桥壳中段111的两侧,便于其他总成的安转,在总装过程中可以提高对驱动桥110的安装效率。As shown in FIG. 4 and FIG. 7, the left axle housing section fork 112 is disposed at the left end of the axle housing middle section 111, and the right axle housing section fork 113 is disposed at the right end of the axle housing middle section 111, and the left axle housing section fork 112 and the right axle housing The joint between the fork 113 and the middle portion 111 of the axle housing is provided with a groove, a washer is arranged in the groove, the washer and the middle portion 111 of the axle shell are fixed by welding, and the washer at the left end is respectively connected with the middle portion 111 of the axle shell and the fork portion 112 of the left axle housing. Cooperating, the right end washers are respectively matched with the axle housing middle section 111 and the right axle housing yoke 113, and the gasket is arranged to improve the connection strength between the left axle housing yoke 112 and the right axle housing yoke 113, and the entire process is adjusted to enhance the whole The structural strength of the drive axle 110 helps to increase the load of the transaxle 110, and the left axle housing fork 112 and the right axle housing fork 113 are disposed on both sides of the axle housing mid section 111 to facilitate the rotation of other assemblies. The efficiency of mounting the transaxle 110 can be improved during the final assembly process.
根据本公开的一些实施例,桥壳中段111包括上半桥壳111a和下半桥壳111b,上半桥壳111a和下半桥壳111b均为冲压件且上半桥壳111a和下半桥壳111b焊机固定。According to some embodiments of the present disclosure, the axle housing midsection 111 includes an upper half axle housing 111a and a lower half axle housing 111b, the upper half axle housing 111a and the lower half axle housing 111b are stamped and the upper half axle housing 111a and the lower half axle The shell 111b welder is fixed.
上半桥壳111a与下半桥壳111b可以通过钢板冲压形成,由于上半桥壳111a与下半桥壳111b为对称设置所以具有相同的结构,在冲压过程中可以使用同一模具减少了开发的成本,并且通过冲压成型的桥壳在具有相同强度的情况下重量要低于传动的铸造成型的桥壳, 通过焊接将上半桥壳111a和下半桥壳111b固定使整个桥壳中段111的强度完全满足车辆10对于驱动桥110的强度要求。The upper half axle shell 111a and the lower half axle shell 111b may be formed by stamping steel sheets. Since the upper half axle shell 111a and the lower half axle shell 111b are symmetrically arranged, they have the same structure, and the same mold can be used in the stamping process to reduce development. Cost, and by the stamped axle housing, the weight of the axle shell is lower than that of the cast cast axle shell with the same strength, and the upper half axle shell 111a and the lower half axle shell 111b are fixed by welding so that the entire axle shell mid section 111 The strength fully satisfies the strength requirements of the vehicle 10 for the transaxle 110.
优选地,如图5所示,在桥壳中段111的前侧焊接固定有前垫板111c,桥壳中段111的后侧焊接固定有后垫板111d,前垫板111c适于固定电动力总成,后垫板111d适于固定桥壳后盖114。Preferably, as shown in FIG. 5, a front pad 111c is welded and fixed on the front side of the intermediate portion 111 of the axle housing, and a rear pad 111d is welded to the rear side of the middle portion 111 of the axle housing, and the front pad 111c is adapted to fix the total electric power. The rear pad 111d is adapted to fix the axle housing back cover 114.
上半桥壳111a与下半桥壳111b焊接后,中间位置预留出用于将电动力总成分别与左半轴162与右半轴163相连的安装空间,前垫板111c可以构造为环形,并且前垫板111c上设置有用于连接电动力总成的螺纹孔,当电动力总成安装在驱动桥110上时,电动力总成的外部壳体与前垫板111c接触,并且通过螺栓将电动力总成的壳体固定在前垫板111c上,以使电动力总成与驱动桥110之间的连接稳定,前垫板111c可以提升电动力总成的安装稳定性,使得电动力总成安装更加牢固。After the upper half axle housing 111a and the lower half axle housing 111b are welded, an installation space for connecting the electric power assembly to the left half shaft 162 and the right half shaft 163 is reserved at the intermediate position, and the front pad 111c may be configured as a ring. And the front pad 111c is provided with a threaded hole for connecting the electric power assembly. When the electric power assembly is mounted on the transaxle 110, the outer casing of the electric power assembly is in contact with the front pad 111c, and is passed through the bolt The housing of the electric power assembly is fixed on the front pad 111c to stabilize the connection between the electric power assembly and the transaxle 110, and the front pad 111c can improve the mounting stability of the electric power assembly, so that the electric power The assembly is more securely installed.
如图1和图4所示,由上半桥壳111a与下半桥壳111b构成的安装空间(即为桥壳中心位置处的空间)一侧可以与电动力总成连接并封闭,如图1的桥壳后盖114的对侧。安装空间的另一侧未安装桥壳后盖114时可以暴露在操作者的视野内,在装配的过程中可以从未设置桥壳后盖114的这一侧对电动力总成与驱动桥110进行装配调节,后垫板111d向后延伸,并且后垫板111d上设置有螺纹孔,桥壳后盖114上对应地设置有螺纹孔,可以将桥壳后盖114固定在后垫板111d上,桥壳后盖114将封闭桥壳中段111,使电动力总成与驱动桥110之间的连接密封,保护电动力总成与驱动桥110之间传动组件。As shown in FIG. 1 and FIG. 4, the installation space formed by the upper half axle shell 111a and the lower half axle shell 111b (that is, the space at the center position of the axle housing) may be connected and closed to the electric power assembly, as shown in the figure. The opposite side of the axle housing back cover 114 of 1. The other side of the installation space may be exposed to the operator's field of view when the axle housing back cover 114 is not installed, and the electric power assembly and the transaxle 110 may be disposed from the side of the axle housing rear cover 114 from the side of the assembly. For assembly adjustment, the rear pad 111d extends rearward, and the rear pad 111d is provided with a threaded hole, and the axle housing rear cover 114 is correspondingly provided with a threaded hole, and the axle housing rear cover 114 can be fixed on the rear pad 111d. The axle housing rear cover 114 will close the middle portion 111 of the axle housing to seal the connection between the electric power assembly and the transaxle 110 to protect the transmission assembly between the electric power assembly and the transaxle 110.
根据本公开的一些实施例,电动力总成还包括对电机120进行冷却的电动油泵140,在电机120外壳上可以设置有用于冷却液循环的冷却水道,冷却水道上具有冷却水道开口和冷却水道出口,在电机120的壳体上还设置有电动油泵140,电动油泵140用于为冷却液的流动提供动力。According to some embodiments of the present disclosure, the electric power assembly further includes an electric oil pump 140 for cooling the electric motor 120, and a cooling water passage for cooling liquid circulation may be disposed on the outer casing of the electric motor 120, and the cooling water passage has a cooling water passage opening and a cooling water passage. At the outlet, an electric oil pump 140 is further disposed on the casing of the motor 120, and the electric oil pump 140 is used to power the flow of the coolant.
根据本公开的一些实施例,可以采用冷却油作为冷却液,电动油泵140可以与电池相连,电池可以提供电动油泵140工作所需的电压。According to some embodiments of the present disclosure, a cooling oil may be employed as the cooling liquid, and the electric oil pump 140 may be connected to the battery, and the battery may provide a voltage required for the electric oil pump 140 to operate.
根据本公开的一个具体实施例,电动力总成还包括箱体150,箱体150适于安装电机120和变速器130,箱体150为电机120和变速器130的安装提供了安装控件,并且可以用于保护电机120和变速器130,通过箱体150可以使电机120与变速器130更好的与其他的零件相连接。According to a specific embodiment of the present disclosure, the electric power assembly further includes a case 150 adapted to mount the motor 120 and the transmission 130, and the case 150 provides mounting controls for the installation of the motor 120 and the transmission 130, and can be used To protect the motor 120 and the transmission 130, the motor 120 and the transmission 130 can be better coupled to other components via the housing 150.
进一步地,电机输出端为电机120输出轴,变速器输入端为变速箱输入轴,电机120输出轴和变速器输入轴131通过花键连接,通过花键将电动机的输出轴所输出的动力传递给变速器输入轴131,使发动机与变速器130之间的传递过程简单,并且可传递的扭矩更大,花键将电机120输出轴和变速器输入轴131的这种连接方式稳定可靠成本低,加强了车辆 10的集成率,在生产环节可以更加高效的进行集成式转向驱动桥总成100的生产。Further, the motor output end is the motor 120 output shaft, the transmission input end is the transmission input shaft, and the motor 120 output shaft and the transmission input shaft 131 are spline-connected, and the power output from the output shaft of the electric motor is transmitted to the transmission through the spline. The input shaft 131 makes the transfer process between the engine and the transmission 130 simple, and the torque that can be transmitted is larger, and the spline makes the connection manner of the output shaft of the motor 120 and the transmission input shaft 131 stable and reliable, and the vehicle 10 is reinforced. The integration rate enables more efficient production of the integrated steering axle assembly 100 in the production process.
优选地,电机120输出轴上的花键可以设置有内花键,变速器输入轴131上可以设置有外花键,内花键与外花键配合可以提高电动力总成的稳定性。Preferably, the spline on the output shaft of the motor 120 can be provided with an internal spline, and the transmission input shaft 131 can be provided with an external spline. The internal spline and the external spline can improve the stability of the electric power assembly.
进一步地,变速器输入轴131可转动地安装在箱体150上,变速器输入轴131相对于箱体150固定,箱体150上可以设置有适于安装变速器输入轴131的滚针轴承,滚证轴承可以将变速器输入轴131的轴线固定,并且变速器输入轴131可在滚针轴承上进行转动,以将力矩传递给其他的齿轮及传力组件。Further, the transmission input shaft 131 is rotatably mounted on the casing 150, and the transmission input shaft 131 is fixed relative to the casing 150. The casing 150 may be provided with a needle bearing adapted to mount the transmission input shaft 131, and the rolling bearing The axis of the transmission input shaft 131 can be fixed and the transmission input shaft 131 can be rotated on the needle bearing to transmit torque to the other gear and force transmitting components.
变速器输入轴131上设置有第一传动齿轮131a,变速器130还包括第一传动轴132和第二传动轴133,第一传动轴132上固定设置有第二传动齿轮132a和多个间隔开的第三传动齿轮132b,第二传动齿轮132a与第一传动齿轮131a啮合,第二传动轴133上设置有多个间隔开的第四传动齿轮133a,多个第四传动齿轮133a与多个第三传动齿轮132b一一对应且彼此啮合,第二传动轴133上还设置有使第四传动齿轮133a与第二传动轴133同步转动的同步器133c。The transmission input shaft 131 is provided with a first transmission gear 131a. The transmission 130 further includes a first transmission shaft 132 and a second transmission shaft 133. The first transmission shaft 132 is fixedly disposed with a second transmission gear 132a and a plurality of spaced apart portions. The third transmission gear 132b, the second transmission gear 132a is meshed with the first transmission gear 131a, and the second transmission shaft 133 is provided with a plurality of spaced apart fourth transmission gears 133a, a plurality of fourth transmission gears 133a and a plurality of third transmissions The gears 132b are in one-to-one correspondence and mesh with each other, and the second transmission shaft 133 is further provided with a synchronizer 133c for rotating the fourth transmission gear 133a and the second transmission shaft 133 in synchronization.
第一传动齿轮131a与第二传动齿轮132a啮合,以将转矩从变速器输入轴131传递到第一传动轴132,第一传动轴132上的力矩可以通过第三传动齿轮132b与第四传动齿轮133a的啮合来传递,第一传动轴132上的多个第三传动齿轮132b的半径不同,第二传动轴133上的多个第四传动齿轮133a的半径不同,以实现不同的传动比。The first transmission gear 131a meshes with the second transmission gear 132a to transmit torque from the transmission input shaft 131 to the first transmission shaft 132, and the torque on the first transmission shaft 132 can pass through the third transmission gear 132b and the fourth transmission gear. The engagement of 133a is transmitted, the radii of the plurality of third transfer gears 132b on the first drive shaft 132 are different, and the radii of the plurality of fourth transfer gears 133a on the second drive shaft 133 are different to achieve different gear ratios.
同步器133c可以使任意一个第四传动齿轮133a与第二传动轴133固定,以将力矩通过第一传功的轴传递给第二传动轴133,其中的传递过程可以是从第一传功轴到任意一个第三传动齿轮132b到对应的第四传动齿轮133a再通过同步器133c传递给第二传动轴133,变速器130具有多个不同的传动比,可以满足车辆10在不同的扭矩和转速。The synchronizer 133c can fix any one of the fourth transmission gears 133a and the second transmission shaft 133 to transmit the torque to the second transmission shaft 133 through the first transmission shaft, wherein the transmission process can be from the first transmission shaft The transmission to any of the third transmission gears 132b to the corresponding fourth transmission gears 133a is again transmitted to the second transmission shaft 133 through the synchronizer 133c. The transmission 130 has a plurality of different transmission ratios, which can satisfy the different torques and rotational speeds of the vehicle 10.
进一步地,第二传动轴133上设置有第五传动齿轮133b,差速器161上设置有第六传动齿轮161a,第六传动齿轮161a与第五传动齿轮133b啮合。Further, a fifth transmission gear 133b is disposed on the second transmission shaft 133, and a sixth transmission gear 161a is disposed on the differential 161, and the sixth transmission gear 161a is meshed with the fifth transmission gear 133b.
第二传动轴133通过同步器133c将任意一个第四传动齿轮133a固定后获得相应的转矩,第五传动齿轮133b与第二传动轴133固定,第五传功齿轮将转矩传递给第六传动齿轮161a,也就是将经过变速器130变速后的转矩传递给差速器161,通过第五传动齿轮133b和第六传动齿轮161a之间的啮合减少了变速器130与差速器161之间的传力组件,避免了动力在传递的过程中损失,进一步地降低了集成式转向驱动桥总成100的重量,可以降低整车重量的同时还节约了成本提高了车辆10的动力性能。The second transmission shaft 133 fixes any one of the fourth transmission gears 133a by the synchronizer 133c to obtain a corresponding torque, the fifth transmission gear 133b is fixed to the second transmission shaft 133, and the fifth transmission gear transmits the torque to the sixth. The transmission gear 161a, that is, the torque after shifting through the transmission 130, is transmitted to the differential 161, and the engagement between the fifth transmission gear 133b and the sixth transmission gear 161a reduces the relationship between the transmission 130 and the differential 161. The force transmission component avoids the loss of power during the transmission process, further reduces the weight of the integrated steering axle assembly 100, can reduce the weight of the whole vehicle, and saves the cost and improves the dynamic performance of the vehicle 10.
优选地,第一传动齿轮131a、第二传动齿轮132a、第三传动齿轮132b、第四传动齿轮133a、第五传动齿轮133b和第六传动齿轮161a均为斜齿轮,采用斜齿轮可以使集成式转向驱动桥总成100具有更好的啮合性,并且采用斜齿轮可以使传动平稳、噪声小,相对于 普通齿轮来说斜齿轮具有承载能力大、寿命长。Preferably, the first transmission gear 131a, the second transmission gear 132a, the third transmission gear 132b, the fourth transmission gear 133a, the fifth transmission gear 133b, and the sixth transmission gear 161a are all helical gears, and the helical gears can be integrated. The steering axle assembly 100 has better meshing performance, and the helical gear can make the transmission smooth and the noise is small, and the helical gear has a large carrying capacity and a long service life compared with the ordinary gear.
根据本公开的一些实施例,集成式转向驱动桥总成100还包括轮边减速器170,轮边减速器170为两个,其中一个轮边减速器170适于连接左半轴162和左侧轮毂,其中另一个轮边减速器170适于连接右半轴163和右侧轮毂,轮边减速器170可以将左半轴162或右半轴163的转速降低,并提高扭矩,使与减速器相连的车轮具有足够的转矩。According to some embodiments of the present disclosure, the integrated steering axle assembly 100 further includes a wheel reducer 170 having two wheel reducers 170, one of which is adapted to connect the left axle 162 and the left side a hub, wherein the other wheel reducer 170 is adapted to connect the right half shaft 163 and the right side hub, and the wheel reducer 170 can reduce the rotational speed of the left half shaft 162 or the right half shaft 163 and increase the torque to make the speed reducer The connected wheels have sufficient torque.
进一步地,轮边减速器170包括太阳轮171和齿圈174,太阳轮171适于与左半轴162或右半轴163配合,齿圈174与太阳轮171通过行星轮172相连,齿圈174固定在轮毂上。Further, the wheel reducer 170 includes a sun gear 171 and a ring gear 174, the sun gear 171 is adapted to cooperate with the left half shaft 162 or the right half shaft 163, and the ring gear 174 is coupled to the sun gear 171 via the planet gear 172, the ring gear 174 Fixed to the hub.
太阳轮171将来自与左半轴162或右半轴163的动力传递给多个行星轮172,行星轮172与齿圈174啮合,多个行星轮172可以通过滚针轴承可转动地设置在行星架173上,行星架173可以固定在驱动桥110上,行星轮172将动力传递给齿圈174,齿圈174的外侧设置有减速器壳体,减速器外壳固定在轮毂上,从而动力可以传递给轮毂,减速器壳体具有相对于左半轴162或右半轴163较低的转速以及较高的转矩。The sun gear 171 transmits power from the left half shaft 162 or the right half shaft 163 to the plurality of planet gears 172, the planetary gears 172 mesh with the ring gear 174, and the plurality of planet wheels 172 can be rotatably disposed on the planets through the needle bearings On the frame 173, the carrier 173 can be fixed on the transaxle 110, and the planetary gear 172 transmits power to the ring gear 174. The outer side of the ring gear 174 is provided with a reducer housing, and the reducer housing is fixed on the hub, so that the power can be transmitted. For the hub, the reducer housing has a lower rotational speed relative to the left half shaft 162 or the right half shaft 163 and a higher torque.
轮边减速器170可以具有一个轮边减速器外壳175,轮边减速器外壳175可以通过螺栓与齿圈174连接,齿圈174可以通过锁止垫片进行放松,轮边减速器外壳175可以与轮毂通过螺栓连接,进而力矩从电动力总成依次经过驱动桥110、左半轴162或右半轴163、轮边减速器170后传递给轮毂,以以使车轮具有向前驱动的力矩。The wheel reducer 170 may have a wheel reducer housing 175, and the wheel reducer housing 175 may be coupled to the ring gear 174 by bolts. The ring gear 174 may be loosened by a lock washer, and the wheel reducer housing 175 may be The hub is connected by bolts, and the torque is transmitted from the electric powertrain through the transaxle 110, the left half shaft 162 or the right half shaft 163, and the wheel reducer 170 to the hub, so that the wheel has a forward driving torque.
根据本公开的一些实施例,集成式转向驱动桥总成100还包括转向总成180,转向总成180包括左轮边节叉181和右轮边节叉182,左转向节臂183和右转向节臂184,左半轴套管187和右半轴套管188。According to some embodiments of the present disclosure, the integrated steering axle assembly 100 further includes a steering assembly 180 that includes a left wheel yoke 181 and a right wheel yoke 182, a left knuckle arm 183 and a right knuckle Arm 184, left half shaft sleeve 187 and right half shaft sleeve 188.
左轮边节叉181可转动地设置在左桥壳节叉112上,右轮边节叉182可转动地设置在右桥壳节叉113上;左转向节臂183固定设置在左轮边节叉181上,右转向节臂184固定设置在右转向节叉上;左半轴套管187固定在左轮边节叉181上,右半轴套管188固定在右轮边节叉182上,左半轴162和右半轴163分别可转动地设置在左半轴套管187和右半轴套管188上。The left wheel yoke 181 is rotatably disposed on the left axle housing yoke 112, and the right wheel yoke 182 is rotatably disposed on the right axle housing yoke 113; the left knuckle arm 183 is fixedly disposed on the left wheel yoke 181 Upper right knuckle arm 184 is fixedly disposed on right knuckle fork; left half shaft sleeve 187 is fixed on left wheel yoke 181, and right half shaft sleeve 188 is fixed on right wheel yoke 182, left half shaft The 162 and right half shafts 163 are rotatably disposed on the left and right side sleeves 187, 188, respectively.
具体地,左轮边节叉181设置在驱动桥110的左侧,并且左轮边节叉181可相对于驱动桥110转动,左轮边节叉181的上侧设置有左转向节臂183,用于与转向杆连接,转向杆可以将转向的动力传递给左轮边节叉181,以使左轮边节叉181转动,左轮边节叉181的下侧设置有左转向梯形臂185,左转向梯形臂185可以与转向横拉杆连接,以将左转向节叉与右转向节叉同步。Specifically, the left wheel yoke 181 is disposed on the left side of the transaxle 110, and the left wheel yoke 181 is rotatable relative to the transaxle 110, and the upper side of the left rim 181 is provided with a left knuckle arm 183 for The steering rod is connected, and the steering rod can transmit the power of the steering to the left wheel yoke 181 to rotate the left wheel yoke 181. The lower side of the left wheel yoke 181 is provided with a left steering trapezoidal arm 185, and the left steering trapezoidal arm 185 can be Connected to the tie rod to synchronize the left steering fork with the right steering fork.
优选地,在左转向节臂183的上侧可以设置有固定块,固定块用于将左转向节臂186与转向杆连接部位加强,加左转向节臂183的强度,提升车轮的转向的可靠性,有效地延长了左转向节臂183的寿命。同理,驱动桥110的右侧的右转向节臂184的固定方式也与 上述固定方式类似。Preferably, the upper side of the left knuckle arm 183 may be provided with a fixing block for reinforcing the connection portion of the left knuckle arm 186 and the steering rod, and adding the strength of the left knuckle arm 183 to improve the steering of the wheel. Sexually, the life of the left knuckle arm 183 is effectively extended. Similarly, the right knuckle arm 184 of the right side of the transaxle 110 is fixed in a manner similar to the above-described fixing.
左半轴套管187的端部可以设置有花键,左半轴套管187通过花键可以与轮边减速器170上的太阳轮相连,以将从左半轴162的力矩传递给轮边减速器170。右半轴套管188的固定方式与上述固定方式相似,这里不再赘述。The end of the left half shaft sleeve 187 may be provided with a spline, and the left half shaft sleeve 187 may be coupled to the sun gear on the wheel reducer 170 by splines to transmit the torque from the left half shaft 162 to the wheel side. Reducer 170. The fixing manner of the right half shaft sleeve 188 is similar to the above fixing manner, and details are not described herein again.
右轮边节叉182设置在驱动桥110的右侧,并且右轮边节叉182可相对于驱动桥110转动,右轮边节叉182的上侧设置有右转向节臂184,用于与转向杆连接,转向杆可以将转向的动力传递给右轮边节叉182,以使右轮边节叉182转动,右轮边节叉182的下侧设置有右转向梯形臂186,右转向梯形臂186可以与转向横拉杆连接,以将右转向节叉与左转向节叉同步。The right wheel yoke 182 is disposed on the right side of the transaxle 110, and the right wheel yoke 182 is rotatable relative to the transaxle 110, and the upper side of the right wheel yoke 182 is provided with a right knuckle arm 184 for The steering rod is connected, and the steering rod can transmit the power of the steering to the right wheel yoke 182 to rotate the right wheel yoke 182. The lower side of the right wheel yoke 182 is provided with a right steering trapezoidal arm 186 and a right steering trapezoid The arm 186 can be coupled to the tie rod to synchronize the right steering fork with the left steering fork.
根据本公开的一些实施例,该驱动桥110主要是焊接而成,桥壳中段111主要是两个钢板冲压而成的上半桥壳111a,下半桥壳111b先焊接起来,前垫板111c,后垫板111d、以及四个板簧安装限位座也焊接固定在桥壳中段111上,采用这个钢板冲压焊接结构的桥壳中段111比起铸造的桥壳质量轻了许多。According to some embodiments of the present disclosure, the transaxle 110 is mainly welded, and the middle portion 111 of the axle housing is mainly an upper half axle shell 111a stamped by two steel plates, and the lower half axle shell 111b is first welded, the front gasket 111c The rear pad 111d and the four leaf spring mounting limiting seats are also welded and fixed on the middle portion 111 of the axle housing. The middle portion 111 of the axle housing using the steel plate stamping and welding structure is much lighter than the cast axle housing.
左桥壳节叉112和右桥壳节叉113跟桥壳中段111的连接处打过坡口,通过中间的垫圈和桥壳中段111进行焊接,这种焊接方法焊接后强度高,刚度好,能够承受较大的载荷。左半轴162和右半轴163分别穿过安装在左桥壳节叉112和右桥壳节叉113的滚针轴承、孔用弹性挡圈和两个橡胶油封,由此将左半轴162和右半轴163固定在左桥壳节叉112和右桥壳节叉113上进行支撑,且密封性能良好。The joint between the left axle shell fork 112 and the right axle shell fork 113 and the middle portion 111 of the axle shell is over-tilted, and is welded through the middle washer and the middle portion 111 of the axle shell. This welding method has high strength and good rigidity after welding. Can withstand large loads. The left half shaft 162 and the right half shaft 163 pass through the needle bearing, the rim for the hole, and the two rubber oil seals respectively mounted on the left axle housing yoke 112 and the right axle housing yoke 113, thereby the left half shaft 162. The right half shaft 163 is fixed to the left axle housing fork 112 and the right axle housing fork 113 for support, and the sealing performance is good.
左桥壳节叉112和右桥壳节叉113上侧和下侧压装有与左桥壳节叉112和右桥壳节叉113过盈配合的上主销、下主销,上主销穿过铜套再套上上套筒套;下主销穿过铜套、推力滚子轴承和组合油封。左轮边节叉181和右轮边节叉182分别通过螺栓进行上下固定,可以采用多个长螺栓分别穿过左转向节臂183和右转向节臂184,固定块和左轮边节叉181或右轮边节叉182加强整体结构,下侧可以采用多个螺栓穿过左转向梯形臂185和右转向梯形臂186以将其固定在左轮边节叉181和右轮边节叉182上。The upper and lower sides of the left axle housing fork 112 and the right axle housing fork 113 are press-fitted with an upper kingpin, a lower kingpin, and an upper kingpin that are interference-fitted with the left axle housing fork 112 and the right axle housing fork 113. The sleeve is placed over the copper sleeve and the upper sleeve is passed through the copper sleeve, the thrust roller bearing and the combined oil seal. The left wheel yoke 181 and the right wheel yoke 182 are respectively fixed up and down by bolts, and a plurality of long bolts may be respectively passed through the left knuckle arm 183 and the right knuckle arm 184, the fixed block and the left wheel yoke 181 or right. The wheel yoke 182 reinforces the unitary structure, and the lower side may employ a plurality of bolts through the left turn trapezoidal arm 185 and the right turn trapezoidal arm 186 to secure it to the left and right wheel yokes 181, 182.
下面简单描述具有本公开集成式转向驱动桥总成100的车辆。图12是根据本公开一个实施例的车辆的示意图。该车辆10包括集成式转向驱动桥总成100,集成式转向驱动桥总成100可以参照图1至图11的附图及说明,为避免重复,在此不再详细赘述。A vehicle having an integrated steering axle assembly 100 of the present disclosure is briefly described below. Figure 12 is a schematic illustration of a vehicle in accordance with one embodiment of the present disclosure. The vehicle 10 includes an integrated steering axle assembly 100. The integrated steering axle assembly 100 can be referred to the drawings and descriptions of FIGS. 1 to 11 . To avoid repetition, details are not described herein again.
根据本公开的车辆上设置有根据本公开的集成式转向驱动桥总成100,由于根据本公开的车辆上设置有根据本公开的集成式转向驱动桥总成100,因此该车辆的整车重量轻、传动效率高、集成化程度高。An integrated steering axle assembly 100 according to the present disclosure is provided on a vehicle according to the present disclosure, since the integrated steering axle assembly 100 according to the present disclosure is provided on a vehicle according to the present disclosure, the vehicle weight of the vehicle Light, high transmission efficiency and high degree of integration.
在本说明书的描述中,参考术语“一个实施例”、“一些实施例”、“示例”、“具体示 例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本公开的至少一个实施例或示例中。在本说明书中,对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且,描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外,在不相互矛盾的情况下,本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material, or feature is included in at least one embodiment or example of the present disclosure. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification and features of various embodiments or examples may be combined and combined without departing from the scope of the invention.
尽管上面已经示出和描述了本公开的实施例,可以理解的是,上述实施例是示例性的,不能理解为对本公开的限制,本领域的普通技术人员在本公开的范围内可以对上述实施例进行变化、修改、替换和变型。While the embodiments of the present disclosure have been shown and described above, it is understood that the foregoing embodiments are illustrative and are not to be construed as limiting the scope of the disclosure The embodiments are subject to variations, modifications, substitutions and variations.

Claims (15)

  1. 一种集成式转向驱动桥总成,其特征在于,包括:An integrated steering axle assembly is characterized by comprising:
    驱动桥;Drive axle;
    电动力总成,所述电动力总成包括:电机和变速器,所述电机具有电机输出端,所述变速器具有变速器输入端和变速器输出端,所述电机输出端与所述变速器输入端相连;An electric powertrain comprising: a motor and a transmission, the electric machine having a motor output, the transmission having a transmission input and a transmission output, the motor output being coupled to the transmission input;
    差速器、左半轴和右半轴,所述差速器的外壳与所述变速器输出端相连,且所述差速器分别与所述左半轴和所述右半轴相连;a differential, a left half shaft and a right half shaft, the outer casing of the differential being connected to the transmission output end, and the differential being respectively connected to the left half shaft and the right half shaft;
    转向总成,其中所述电动力总成、所述差速器、所述转向总成均集成在所述驱动桥上。A steering assembly, wherein the electric power assembly, the differential, and the steering assembly are all integrated on the transaxle.
  2. 根据权利要求1所述集成式转向驱动桥总成,其特征在于,所述驱动桥包括:桥壳中段和位于所述桥壳中段左右两侧的左桥壳节叉和右桥壳节叉。The integrated steering axle assembly according to claim 1, wherein the drive axle comprises: a middle portion of the axle housing and a left axle housing fork and a right axle housing fork on the left and right sides of the middle portion of the axle housing.
  3. 根据权利要求2所述集成式转向驱动桥总成,其特征在于,所述桥壳中段包括:上半桥壳和下半桥壳,所述上半桥壳和所述下半桥壳均为冲压件,且所述上半桥壳和所述下半桥壳焊接固定。The integrated steering axle assembly according to claim 2, wherein the middle portion of the axle housing comprises: an upper half axle shell and a lower half axle shell, wherein the upper half axle shell and the lower half axle shell are both Stamping, and the upper half axle shell and the lower half axle shell are welded and fixed.
  4. 根据权利要求2或3所述集成式转向驱动桥总成,其特征在于,所述桥壳中段的前侧焊接固定有前垫板,所述桥壳中段的后侧焊接固定有后垫板,所述前垫板适于固定所述电动力总成,所述后垫板适于固定桥壳后盖。The integrated steering axle assembly according to claim 2 or 3, wherein the front side of the middle portion of the axle housing is welded and fixed with a front pad, and the rear side of the middle portion of the axle housing is welded and fixed with a rear pad. The front pad is adapted to secure the electric power assembly, and the rear pad is adapted to fix the axle housing back cover.
  5. 根据权利要求1-4中任一项所述集成式转向驱动桥总成,其特征在于,所述电动力总成还包括:电动油泵,所述电动油泵用于对电机进行冷却。The integrated steering axle assembly according to any one of claims 1 to 4, wherein the electric power assembly further comprises: an electric oil pump for cooling the motor.
  6. 根据权利要求1-5中任一项所述集成式转向驱动桥总成,其特征在于,所述电动力总成还包括:箱体,所述箱体适于安装所述电机和所述变速器。The integrated steering axle assembly according to any one of claims 1 to 5, wherein the electric power assembly further comprises: a case adapted to mount the motor and the transmission .
  7. 根据权利要求6所述集成式转向驱动桥总成,其特征在于,所述电机输出端为电机输出轴,所述变速器输入端为变速箱输入轴,所述电机输出轴和所述变速器输入轴通过花键相连。The integrated steering axle assembly of claim 6 wherein said motor output is a motor output shaft, said transmission input is a gearbox input shaft, said motor output shaft and said transmission input shaft Connected by splines.
  8. 根据权利要求7所述集成式转向驱动桥总成,其特征在于,所述变速器输入轴可转动地安装在所述箱体上。The integrated steering axle assembly of claim 7 wherein said transmission input shaft is rotatably mounted to said housing.
  9. 根据权利要求8所述集成式转向驱动桥总成,其特征在于,所述变速器输入轴上设置有第一传动齿轮;The integrated steering axle assembly according to claim 8, wherein the transmission input shaft is provided with a first transmission gear;
    所述变速器还包括:第一传动轴和第二传动轴,所述第一传动轴上固定设置有第二传动齿轮和多个间隔开的第三传动齿轮,所述第二传动齿轮与所述第一传动齿轮啮合,所述第二传动轴上设置有多个间隔开的第四传动齿轮,多个所述第四传动齿轮与多个所述第三传动齿轮一一对应且彼此啮合,所述第二传动轴上还设置有使所述第四传动齿轮与所述第 二传动轴同步转动的同步器。The transmission further includes: a first transmission shaft and a second transmission shaft, wherein the first transmission shaft is fixedly disposed with a second transmission gear and a plurality of spaced apart third transmission gears, the second transmission gear and the The first transmission gear is meshed, and the second transmission shaft is provided with a plurality of spaced apart fourth transmission gears, and the plurality of the fourth transmission gears are in one-to-one correspondence with the plurality of the third transmission gears and mesh with each other. The second transmission shaft is further provided with a synchronizer for rotating the fourth transmission gear and the second transmission shaft synchronously.
  10. 根据权利要求9所述集成式转向驱动桥总成,其特征在于,所述第二传动轴上设置有第五传动齿轮,所述差速器上设置有第六传动齿轮,所述第六传动齿轮与所述第五传动齿轮啮合。The integrated steering axle assembly according to claim 9, wherein said second transmission shaft is provided with a fifth transmission gear, and said differential transmission is provided with a sixth transmission gear, said sixth transmission A gear meshes with the fifth transmission gear.
  11. 根据权利要求10所述集成式转向驱动桥总成,其特征在于,所述第一传动齿轮、所述第二传动齿轮、所述第三传动齿轮、所述第四传动齿轮、所述第五传动齿轮和所述第六传动齿轮均为斜齿轮。The integrated steering axle assembly according to claim 10, wherein said first transmission gear, said second transmission gear, said third transmission gear, said fourth transmission gear, said fifth The transmission gear and the sixth transmission gear are both helical gears.
  12. 根据权利要求1至11中任意一项所述集成式转向驱动桥总成,其特征在于,还包括:轮边减速器,所述轮边减速器为两个,且其中一个所述轮边减速器适于连接所述左半轴和左侧轮毂,其中另一个所述轮边减速器适于连接所述右半轴和右侧轮毂。The integrated steering axle assembly according to any one of claims 1 to 11, further comprising: a wheel reducer, the wheel reducer being two, and one of the wheel sides being decelerated The gear is adapted to connect the left and left side hubs, and the other of the wheel reducers is adapted to connect the right and right side hubs.
  13. 根据权利要求12所述集成式转向驱动桥总成,其特征在于,所述轮边减速器包括:The integrated steering axle assembly of claim 12, wherein the wheel reducer comprises:
    太阳轮,所述太阳轮适于与所述左半轴或所述右半轴配合;a sun gear adapted to cooperate with the left half shaft or the right half shaft;
    齿圈,所述齿圈与太阳轮通过行星轮相连,且所述齿圈固定在所述轮毂上。a ring gear, the ring gear being coupled to the sun gear by a planet gear, and the ring gear being fixed to the hub.
  14. 根据权利要求1-13中任一项所述集成式转向驱动桥总成,其特征在于,所述转向总成包括:The integrated steering axle assembly according to any one of claims 1 to 13, wherein the steering assembly comprises:
    左轮边节叉和右轮边节叉,所述左轮边节叉可转动地设置在所述左桥壳节叉上,所述右轮边节叉可转动地设置在所述右桥壳节叉上;a left wheel yoke and a right wheel yoke, the left wheel yoke being rotatably disposed on the left axle yoke, the right wheel yoke being rotatably disposed on the right axle yoke on;
    左转向节臂和右转向节臂,所述左转向节臂固定设置在所述左轮边节叉的上侧,所述右转向节臂固定设置在所述右转向节叉的上侧;a left knuckle arm and a right knuckle arm fixedly disposed on an upper side of the left knuckle yoke, the right knuckle arm being fixedly disposed on an upper side of the right knuckle yoke;
    左转向梯形臂和右转向梯形臂,所述左转向梯形臂固定设置在所述左轮边节叉的下侧,所述右转向梯形臂固定设置在所述右转向节叉的下侧;a left steering trapezoidal arm and a right steering trapezoidal arm, the left steering trapezoidal arm is fixedly disposed on a lower side of the left wheel yoke, and the right steering trapezoidal arm is fixedly disposed at a lower side of the right steering yoke;
    左半轴套管和右半轴套管,所述左半轴套管固定在所述左轮边节叉上,所述右半轴套管固定在所述右轮边节叉上,所述左半轴和所述右半轴分别可转动地设置在所述左半轴套管和所述右半轴套管上。a left half shaft sleeve and a right half shaft sleeve fixed to the left wheel side fork, the right half shaft sleeve being fixed to the right wheel side fork, the left A half shaft and the right half shaft are rotatably disposed on the left and right axle bushings, respectively.
  15. 一种车辆,其特征在于,包括权利要求1-14中任一项所述的集成式转向驱动桥总成。A vehicle characterized by comprising the integrated steering axle assembly of any of claims 1-14.
PCT/CN2018/108364 2017-09-30 2018-09-28 Integrated steering drive axle assembly and vehicle WO2019062864A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710922697.1 2017-09-30
CN201710922697.1A CN109591514A (en) 2017-09-30 2017-09-30 Integrated form steering drive axle assembly and vehicle

Publications (1)

Publication Number Publication Date
WO2019062864A1 true WO2019062864A1 (en) 2019-04-04

Family

ID=65903267

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/108364 WO2019062864A1 (en) 2017-09-30 2018-09-28 Integrated steering drive axle assembly and vehicle

Country Status (2)

Country Link
CN (1) CN109591514A (en)
WO (1) WO2019062864A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113427950A (en) * 2021-08-05 2021-09-24 山东家源农业装备有限公司 Connecting structure for mounting axle below engine
US20210323604A1 (en) * 2020-04-18 2021-10-21 Ryan Nathaniel Combs Coaxial co-located vehicle drive power and steering system
EP4046845A1 (en) * 2021-02-18 2022-08-24 Volkswagen Ag Drive train for a motor vehicle

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112590988B (en) * 2020-11-30 2022-02-11 徐州耀武机车有限公司 Electric three-wheel same-direction steering control mechanism

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203543527U (en) * 2013-11-19 2014-04-16 陕西汉德车桥有限公司 Automobile steering drive axle wheel rim assembly
CN106143038A (en) * 2015-03-31 2016-11-23 河南超微电动汽车有限公司 Suspension type drive axle
CN106564479A (en) * 2016-10-26 2017-04-19 湖南中联重科车桥有限公司 Driving axle and vehicle
CN106976368A (en) * 2017-05-15 2017-07-25 厦门金龙联合汽车工业有限公司 A kind of achievable independent suspension frame unit for turning to driving function
CN107200025A (en) * 2017-04-26 2017-09-26 重庆凯瑞车辆传动制造有限公司 A kind of drive axle for the suspension type monorail bogie of car
DE102014226615B4 (en) * 2014-12-19 2017-11-09 Volkswagen Aktiengesellschaft A motor vehicle steering system and method for adjusting the steering wheel position in a motor vehicle steering system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6845837B2 (en) * 2002-10-15 2005-01-25 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic transaxle apparatus for a four-wheel driving vehicle and four-wheel driving vehicle using the apparatus
CN203543918U (en) * 2013-11-19 2014-04-16 陕西汉德车桥有限公司 Wheel edge assembly of automobile steering drive axle
CN205344518U (en) * 2015-12-31 2016-06-29 比亚迪股份有限公司 Electric drive axle assembly and have vehicle of this electric drive axle assembly
CN105966230B (en) * 2015-12-31 2017-11-28 比亚迪股份有限公司 Electric drive axle assembly and the vehicle with the electric drive axle assembly
CN106945495B (en) * 2017-03-22 2019-02-19 中国煤炭科工集团太原研究院有限公司 Mining driving force adaptive multiple-shift automatic transmission bi-motor steering and driving axle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203543527U (en) * 2013-11-19 2014-04-16 陕西汉德车桥有限公司 Automobile steering drive axle wheel rim assembly
DE102014226615B4 (en) * 2014-12-19 2017-11-09 Volkswagen Aktiengesellschaft A motor vehicle steering system and method for adjusting the steering wheel position in a motor vehicle steering system
CN106143038A (en) * 2015-03-31 2016-11-23 河南超微电动汽车有限公司 Suspension type drive axle
CN106564479A (en) * 2016-10-26 2017-04-19 湖南中联重科车桥有限公司 Driving axle and vehicle
CN107200025A (en) * 2017-04-26 2017-09-26 重庆凯瑞车辆传动制造有限公司 A kind of drive axle for the suspension type monorail bogie of car
CN106976368A (en) * 2017-05-15 2017-07-25 厦门金龙联合汽车工业有限公司 A kind of achievable independent suspension frame unit for turning to driving function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210323604A1 (en) * 2020-04-18 2021-10-21 Ryan Nathaniel Combs Coaxial co-located vehicle drive power and steering system
US11634174B2 (en) * 2020-04-18 2023-04-25 Ryan Nathaniel Combs Coaxial co-located vehicle drive power and steering system
EP4046845A1 (en) * 2021-02-18 2022-08-24 Volkswagen Ag Drive train for a motor vehicle
CN113427950A (en) * 2021-08-05 2021-09-24 山东家源农业装备有限公司 Connecting structure for mounting axle below engine

Also Published As

Publication number Publication date
CN109591514A (en) 2019-04-09

Similar Documents

Publication Publication Date Title
WO2019062864A1 (en) Integrated steering drive axle assembly and vehicle
US20180297401A1 (en) Electric drive axle assembly and vehicle having the electric drive axle assembly
CN108674179B (en) Integrated electric drive power assembly
JP2002154343A (en) Power transmission mechanism for front and rear wheel drive vehicle
WO2017114422A1 (en) Vehicle and electric drive axle assembly for vehicle
US20190264790A1 (en) Vehicle-driving apparatus
CN211139025U (en) Coaxial integrated electric drive axle assembly and vehicle with same
CN112706597A (en) Double-motor electric drive axle
CN211054919U (en) Parallel shaft integrated electric drive axle assembly and vehicle with same
CN115467944A (en) Power coupling system and vehicle
CN214874180U (en) Double-motor electric drive axle assembly of belt wheel side speed reducer
CN210454432U (en) Integrated form electric drive system
CN216128255U (en) Gear transmission system and low-floor tramcar
CN214743138U (en) Multifunctional power transmission device
CN116133886A (en) Coaxial asynchronous electric drive system
CN201158307Y (en) Power mechanism of beach vehicle
CN111140643A (en) Split type main reducer casing of electricity driving vehicle and car
CN210971080U (en) Bogie for railway vehicle and railway vehicle with same
CN216975681U (en) Steering arm shaft with planetary wheel mechanism
CN210536433U (en) Variable speed transmission mechanism of side-mounted motor
CN217927041U (en) New forms of energy are reduction gear for commercial vehicle
CN210531526U (en) Gearbox and vehicle
CN218805002U (en) Axle assembly for electric vehicle and electric vehicle
CN220320222U (en) Wheel edge speed reducer, drive axle assembly and engineering vehicle
CN215980694U (en) Novel differential mechanism assembly

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18862808

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 18862808

Country of ref document: EP

Kind code of ref document: A1