Search

CN-224214653-U - Height difference torque vector distribution device

CN224214653UCN 224214653 UCN224214653 UCN 224214653UCN-224214653-U

Abstract

The utility model discloses a height difference torque vector distribution device which comprises a differential mechanism, wherein one end of the differential mechanism is connected with a left half shaft, the other end of the differential mechanism is connected with a right half shaft, one side of the left half shaft is provided with a motor, a first-stage speed reduction assembly is arranged on the motor, a third-stage speed reduction assembly is arranged on the left half shaft, the third-stage speed reduction assembly is in transmission connection with the first-stage speed reduction assembly through the second-stage speed reduction assembly, the third-stage speed reduction assembly transmits received power to a planetary gear assembly, and a first gear ring and a second gear ring on the planetary gear assembly respectively transmit the power to a shell of the differential mechanism and the left half shaft. The yaw dynamic control system has the advantages that the arrangement has a torque distribution function, the energy consumption problem and the driving experience in the yaw dynamic control are considered, and the energy consumption problem and the driving experience in the yaw dynamic control are considered.

Inventors

  • MA XIAO
  • CHEN YUAN

Assignees

  • 苏州辕驰科技有限公司

Dates

Publication Date
20260508
Application Date
20250620

Claims (7)

  1. 1. A height difference torque vector distribution device comprises One end of the differential mechanism (1) is connected with a left half shaft (11), and the other end of the differential mechanism is connected with a right half shaft (12) so as to enable hubs (10) arranged on the left half shaft (11) and the right half shaft (12) to realize different rotating speeds; the method is characterized in that: A motor (2) is arranged on one side of the left half shaft (11), a motor shaft of the motor (2) is parallel to the left half shaft (11), a first-stage speed reduction assembly (3) is arranged on the motor (2), a third-stage speed reduction assembly (4) is arranged on the left half shaft (11), and the third-stage speed reduction assembly (4) is in transmission connection with the first-stage speed reduction assembly (3) through a second-stage speed reduction assembly (5); The three-stage speed reduction assembly (4) transmits received power to the planetary gear assembly (6), the planetary gear assembly (6) comprises a first sun gear (63) arranged on a torque transfer mechanism shell and a second sun gear (64) used for receiving the power transmitted by the three-stage speed reduction assembly (4), a first gear ring (61) is arranged on the shell of the differential mechanism (1), a first planet gear (65) meshed with the first gear ring (61) and the first sun gear (63) is arranged between the first gear ring and the first sun gear (63), a second gear ring (62) synchronously rotating with the left half shaft (11) is arranged on the left half shaft, a second planet gear (66) meshed with the second sun gear (64) is arranged between the second gear ring (62) and the second sun gear (64), and the second planet gear (66) and the first planet gear (65) share a planet carrier (67) and synchronously rotate.
  2. 2. The device for distributing the altitude difference torque vector according to claim 1, wherein the primary speed reducing assembly (3) comprises a primary speed reducing shaft (31) which is arranged between a motor shaft of the motor (2) and the left half shaft (11) and is parallel to the motor shaft, a primary driven gear (32) and a secondary driving gear (33) are fixedly arranged on the primary speed reducing shaft (31), the primary driven gear (32) is meshed with a primary driving gear (21) fixedly arranged on the motor shaft of the motor (2), the secondary speed reducing assembly (5) comprises a secondary speed reducing shaft (51) which is arranged between the primary speed reducing shaft (31) and the left half shaft (11) and is parallel to the left half shaft, a secondary driven gear (52) and a tertiary driving gear (53) are fixedly arranged on the secondary speed reducing shaft (51), the secondary driven gear (52) is meshed with the secondary driving gear (33), the tertiary speed reducing assembly (4) comprises a tertiary driven gear (41) which is sleeved on the left half shaft (11) and is connected with the third driving gear (65), and the tertiary driven gear (41) is meshed with the tertiary driving gear (53).
  3. 3. The device according to claim 2, characterized in that the planet carrier (67) is located inside the second planet wheel (66) and the first planet wheel (65) and is pivotally connected to both.
  4. 4. The device for distributing the altitude difference torque vector according to claim 2, wherein the primary reduction shaft (31) is provided with a release clutch sliding sleeve (30), the primary driven gear (32) is provided with a left synchronizer (39), and the release clutch sliding sleeve (30) can be coupled with the left synchronizer (39).
  5. 5. The device of claim 4, wherein the torque transfer mechanism housing is provided with a right synchronizer (38), the clutch slip (30) is positioned between the left synchronizer (39) and the right synchronizer (38), and the clutch slip (30) is coupleable with the right synchronizer (38).
  6. 6. The device for distributing the altitude difference torque vector according to claim 1, wherein the primary speed reduction assembly (3) comprises a primary driving gear (21) arranged on a motor shaft of the motor (2), the secondary speed reduction assembly (5) comprises a secondary speed reduction shaft (51) arranged between the motor shaft of the motor (2) and the left half shaft (11) and parallel to the motor shaft, a secondary driven gear (52) and a tertiary driving gear (53) are fixedly arranged on the secondary speed reduction shaft (51), an idler gear (37) meshed with the secondary driven gear (52) and the primary driving gear (21) is arranged between the secondary driven gear (52) and the primary driving gear (21), the tertiary speed reduction assembly (4) comprises a tertiary driven gear (41) which is sleeved on the left half shaft (11) in a hollow mode and connected with the first planet gear (65), and the tertiary driven gear (41) is meshed with the tertiary driving gear (53).
  7. 7. The device for distributing the altitude difference torque vector according to claim 1, wherein the motor (2) is electrically connected with the storage battery.

Description

Height difference torque vector distribution device Technical Field The utility model relates to automobile chassis power, in particular to a height difference torque vector distribution device. Background Automobile safety performance is an important subject of automobile research. Electronic Stability Program (ESP), one of the representative technologies of active safety technology of automobiles, improves the steering stability of automobiles by generating an additional yaw moment by applying braking force to the wheels of one side of the automobile to dynamically control the vehicle. Since the ESP uses the principle of differential braking to control the vehicle, it will negatively affect the drivability and economy of the vehicle during operation, causing power loss. Therefore, researchers have proposed torque vectoring techniques to solve the energy consumption and driving experience problems in vehicle yaw dynamics control. The patent publication No. CN106195193B discloses a double clutch planetary electric differential, which relates to the technical field of automobiles and comprises a main differential, a double planetary gear, a torque distribution left planetary gear, a torque distribution right planetary gear, a speed reduction planetary gear, a power clutch, a torque distribution clutch and a motor, wherein the switching of different working modes can be realized by controlling the connection and disconnection of the torque distribution clutch and the power clutch. However, the device has the problem that the poor torsion capacity of the wheel end is insufficient, and under certain emergency acceleration or emergency avoidance working conditions, in order to enable the wheel end to obtain the large poor torsion capacity, the motor can only be made large or the motor can be realized by increasing current, so that the power of the device is increased, but the design is uneconomical and deviates from the whole vehicle requirement. In addition, the device is unreasonable in layout, and when the road surface or the bad state of adhesion condition are bad in highly turning, its stability is poor, the problem such as skidding, sideslip and climbing ability are poor appears easily, has great potential safety hazard. Disclosure of utility model The utility model aims to overcome the defects in the prior art and provides a height difference torque vector distribution device. The aim of the utility model is achieved by the following technical scheme: A height difference torque vector distribution device comprises One end of the differential mechanism is connected with a left half shaft, and the other end of the differential mechanism is connected with a right half shaft, so that hubs arranged on the left half shaft and the right half shaft realize different rotating speeds; A motor is arranged on one side of the left half shaft, a motor shaft of the motor is parallel to the left half shaft, a first-stage speed reduction assembly is arranged on the motor, a third-stage speed reduction assembly is arranged on the left half shaft, and the third-stage speed reduction assembly is in transmission connection with the first-stage speed reduction assembly through a second-stage speed reduction assembly; The three-stage speed reduction assembly transmits received power to the planetary gear assembly, the planetary gear assembly comprises a first sun gear arranged on a torque transfer mechanism shell and a second sun gear used for receiving the power transmitted by the three-stage speed reduction assembly, a first gear ring is arranged on the shell of the differential, a first planet gear meshed with the first gear ring and the first planet gear is arranged between the first gear ring and the first planet gear, a second gear ring synchronously rotating with the left half shaft is arranged on the left half shaft, a second planet gear meshed with the second planet gear is arranged between the second gear ring and the second sun gear, the second planet gear shares a planet carrier with the first planet gear, and the second planet gear and the first planet gear coaxially synchronously rotate. Preferably, the primary speed reduction assembly comprises a primary speed reduction shaft which is arranged between a motor shaft of the motor and the left half shaft and is parallel to the left half shaft, a primary driven gear and a secondary driving gear are fixedly arranged on the primary speed reduction shaft, the primary driven gear is meshed with the primary driving gear fixedly arranged on the motor shaft, the secondary speed reduction assembly comprises a secondary speed reduction shaft which is arranged between the primary speed reduction shaft and the left half shaft and is parallel to the left half shaft, a secondary driven gear and a tertiary driving gear are fixedly arranged on the secondary speed reduction shaft, the secondary driven gear is meshed with the secondary driving gear, the tertiary speed reduction assem