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CN-224200756-U - Damping rectifying structure, suspension system and vehicle

CN224200756UCN 224200756 UCN224200756 UCN 224200756UCN-224200756-U

Abstract

The application relates to a damping rectifying structure, a suspension system and a vehicle, and relates to the technical field of vehicles. The first end of the conversion piece is in transmission connection with the movable piece, and the second end of the conversion piece is in transmission connection with the power recovery piece and is used for converting the movement of the movable piece in different directions into the directional rotation of the power recovery piece. Through setting up the mechanical transmission structure that possesses the rectification function, make power recovery spare remain single direction rotatory all the time to help reducing electromagnetic energy loss and mechanical abrasion because of frequent switching-over brings, promote energy recovery efficiency and extension system life. The structure is suitable for excitation environments such as a vehicle suspension system, and the like, can simplify the design of a control system, and enhances the structural stability and the practicability.

Inventors

  • ZHU JIHONG
  • HE HONGTAO
  • XIAO TAIPING
  • ANG ZIHAN
  • ZHANG CHENGHU

Assignees

  • 比亚迪股份有限公司

Dates

Publication Date
20260505
Application Date
20250603

Claims (19)

  1. 1. The damping rectification structure is characterized by comprising a movable part (1), a conversion part (2) and a power recovery part (3), wherein the movable part (1) is connected to an excitation object (4), a first end of the conversion part (2) is in transmission connection with the movable part (1), a second end of the conversion part (2) is in transmission connection with the power recovery part (3), and the conversion part (2) is configured to convert movement of the movable part (1) in different directions into directional movement of the power recovery part (3) when the excitation object (4) is excited by the outside.
  2. 2. Damping and rectifying structure according to claim 1, characterized in that said conversion member (2) comprises a first conversion portion (21) and a second conversion portion (22), said first conversion portion (21) being in transmission connection with said movable member (1), said second conversion portion (22) being in transmission connection with said power recovery member (3).
  3. 3. Damping and rectifying structure according to claim 2, characterized in that said conversion element (2) further comprises a housing (23), said first conversion portion (21) and said second conversion portion (22) being both movably connected within said housing (23).
  4. 4. A damped rectifying structure according to claim 3, characterized in that said first converting part (21) has a drive shaft (211), said drive shaft (211) being in driving connection with said movable part (1).
  5. 5. Damping fairing construction according to claim 4, characterized in that the moving part (1) comprises a first connecting rod (11), the first end of the first connecting rod (11) being actuated in synchronism with the drive shaft (211).
  6. 6. Damping fairing construction according to claim 5, characterized in that the movable part (1) further comprises a second link (12), a first end of the second link (12) being in rotational connection with the excitation object (4), a second end of the second link (12) being in rotational connection with a second end of the first link (11).
  7. 7. The damping rectifier structure according to claim 4, characterized in that the first conversion part (21) further has a first bevel gear (212), the first bevel gear (212) being coaxially connected to the drive shaft (211), the first bevel gear (212) being configured to act synchronously with the drive shaft (211) in a first direction and to rotate relative to the drive shaft (211) in a second direction.
  8. 8. The damping rectifier structure according to claim 7, characterized in that the first conversion portion (21) further has a first one-way bearing (213), the drive shaft (211) is operated in synchronization with an inner ring of the first one-way bearing (213), and the first bevel gear (212) is operated in synchronization with an outer ring of the first one-way bearing (213).
  9. 9. The damping rectifier structure according to claim 8, characterized in that the inner ring of the first unidirectional bearing (213) is in key connection with the transmission shaft (211), and the outer ring of the first unidirectional bearing (213) is in key connection with the first bevel gear (212).
  10. 10. Damping and rectifying structure according to one of the claims 7 to 9, characterized in that said first conversion portion (21) further has a second bevel gear (214), said second bevel gear (214) being coaxially connected to said transmission shaft (211), said second bevel gear (214) being configured to rotate relative to said transmission shaft (211) in a first direction and to act synchronously with said transmission shaft (211) in a second direction.
  11. 11. Damping and rectifying structure according to claim 10, characterized in that said first converting portion (21) further has a second one-way bearing (215), said transmission shaft (211) being operated in synchronism with the inner ring of said second one-way bearing (215), said second bevel gear (214) being operated in synchronism with the outer ring of said second one-way bearing (215).
  12. 12. The damping rectifier structure according to claim 11, characterized in that the inner ring of the second unidirectional bearing (215) is in key connection with the transmission shaft (211), and the outer ring of the second unidirectional bearing (215) is in key connection with the second bevel gear (214).
  13. 13. The damping rectifying structure according to claim 10, characterized in that said second converting portion (22) includes a third bevel gear (221), said third bevel gear (221) being disposed between said first bevel gear (212) and said second bevel gear (214) and being meshed with both said first bevel gear (212) and said second bevel gear (214).
  14. 14. Damping and rectifying structure according to claim 13, characterized in that said power recovery element (3) comprises an electric motor (31), said electric motor (31) being provided on the body of the vehicle, the output shaft of said electric motor (31) being coaxially connected with said third bevel gear (221).
  15. 15. A suspension system comprising a damped rectifying structure according to any one of claims 1 to 14, further comprising an excitation object (4), said damped rectifying structure being provided on said excitation object (4).
  16. 16. Suspension system according to claim 15, characterized in that the excitation object (4) is a swing arm.
  17. 17. The suspension system according to claim 16, further comprising a sprung support (5), a coil spring (6) and a steel strut (7), the upper end of the coil spring (6) being connected to the vehicle body by the sprung support (5), the lower end of the coil spring (6) being connected to the swing arm by the steel strut (7).
  18. 18. The suspension system according to claim 16, further comprising a knuckle (8), the knuckle (8) being connected to the swing arm.
  19. 19. A vehicle comprising a suspension system according to any one of claims 15 to 18.

Description

Damping rectifying structure, suspension system and vehicle Technical Field The application relates to the technical field of vehicles, in particular to a damping rectifying structure, a suspension system and a vehicle. Background At present, in the existing automobile energy recovery technology, part of the schemes adopt a lever mechanism to drive an electromechanical rotary actuator to generate electricity through speed reduction. However, as the suspension system continuously jumps up and down during running, the lever frequently swings, so that the actuator frequently rotates forwards and reversely, the internal magnetic field and the current direction of the actuator continuously change, the loss in the energy conversion process is increased, the power generation efficiency is reduced, the abrasion is increased due to the fact that the mechanical parts continuously change the movement direction, and the service life and the stability of the generator are affected. Disclosure of utility model The embodiment of the application provides a damping rectifying structure, a suspension system and a vehicle, which can improve the service life of a motor so as to at least partially solve the technical problems. In order to achieve the above object, according to a first aspect of the present application, there is provided a damping and rectifying structure, comprising a movable member, a conversion member, and a power recovery member, wherein the movable member is connected to an excitation object, a first end of the conversion member is in driving connection with the movable member, a second end of the conversion member is in driving connection with the power recovery member, and the conversion member is configured to convert movement of the movable member in different directions into directional movement of the power recovery member when the excitation object is externally excited. Optionally, the conversion piece includes first conversion portion and second conversion portion, first conversion portion with second conversion portion transmission connection, first conversion portion with moving part transmission connection, second conversion portion with power recovery piece transmission connection. Optionally, the conversion piece further includes a housing, and the first conversion portion and the second conversion portion are both movably connected in the housing. Optionally, the first conversion part is provided with a transmission shaft, and the transmission shaft is in transmission connection with the movable part. Optionally, the movable member includes a first link, and a first end of the first link is synchronously operated with the transmission shaft. Optionally, the movable part further includes a second link, a first end of the second link is rotatably connected to the excitation object, and a second end of the second link is rotatably connected to a second end of the first link. Optionally, the first conversion part further has a first bevel gear coaxially connected to the drive shaft, the first bevel gear being configured to operate synchronously with the drive shaft in a first direction and to rotate relative to the drive shaft in a second direction. Optionally, the first conversion part further has a first one-way bearing, the transmission shaft and the inner ring of the first one-way bearing synchronously act, and the first bevel gear and the outer ring of the first one-way bearing synchronously act. Optionally, the inner ring of the first one-way bearing is in key connection with the transmission shaft, and the outer ring of the first one-way bearing is in key connection with the first bevel gear. Optionally, the first converting part further has a second bevel gear coaxially connected to the drive shaft, the second bevel gear being configured to rotate relative to the drive shaft in a first direction and to act synchronously with the drive shaft in a second direction. Optionally, the first conversion part further has a second one-way bearing, the transmission shaft and the inner ring of the second one-way bearing synchronously act, and the second bevel gear and the outer ring of the second one-way bearing synchronously act. Optionally, the inner ring of the second one-way bearing is in key connection with the transmission shaft, and the outer ring of the second one-way bearing is in key connection with the second bevel gear. Optionally, the second converting part includes a third bevel gear disposed between the first bevel gear and the second bevel gear and meshed with both the first bevel gear and the second bevel gear. Optionally, the power recovery piece comprises a motor, the motor is arranged on the body of the vehicle, and an output shaft of the motor is coaxially connected with the third bevel gear. According to a second aspect of the present application, there is provided a suspension system comprising the damped rectifying structure of the first aspect, and further comprising an excit