Distributed driving device and vehicle applying same

Abstract

The utility model discloses a distributed driving device and a vehicle applying the same, the distributed driving device comprises a first planet row, a first driving motor, a first output shaft, a clutch, a second planet row, a second driving motor and a second output shaft, the first planet row is arranged between the first driving motor and the first output shaft, and the second planet row is arranged between the second driving motor and the second output shaft. A second planet row is arranged between the second driving motor and the second output shaft, and the first planet row and the second planet row are symmetrically arranged on the two sides of the clutch. According to the distributed driving device and the vehicle with the distributed driving device, the size of the driving device is effectively shortened, the coaxial independent driving function from the motors to the wheels is achieved through the back-to-back arrangement of the first planet row and the first driving motor and the back-to-back arrangement of the second planet row and the second driving motor, and meanwhile the effect that when the wheels on one side slip, the wheels on the other side slip can be achieved. And power is output through the other wheel, so that the escape capability is improved, and the performance of the driving device and the overall performance of the vehicle are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle drive, in particular to a distributed drive device and a vehicle applying the same. Background Art

[0002] The country vigorously advocates energy conservation and emission reduction, and the electric drive system of new energy vehicles has developed rapidly. At present, a single pure electric three-in-one drive unit can no longer meet the needs of independent wheel-end drive of pure electric vehicles. Traditional pure electric three-in-one drive assemblies often adopt a parallel-axis reduction gear design, with relatively large axial and radial dimensions, large overall volume and weight of the whole box, and are unable to adapt to complex driving conditions. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a distributed drive device and a vehicle applying the same, which can solve one or more of the above-mentioned prior art problems.

[0004] According to the first aspect of the utility model, a distributed drive device is provided, including:

[0005] A first planetary gear set, a first drive motor, a first output shaft, a clutch, a second planetary gear set, a second drive motor and a second output shaft. A first planetary gear set is arranged between the first drive motor and the first output shaft, and a second planetary gear set is arranged between the second drive motor and the second output shaft. The first planetary gear set and the second planetary gear set are symmetrically arranged on both sides of the clutch. The input end of the clutch is connected to the planet carrier P1 of the first planetary gear set, and the output end of the clutch is connected to the planet carrier P2 of the second planetary gear set.

[0006] In some embodiments, the ring gear R1 of the first planetary gear set is fixed to the housing of the distributed drive device, and the ring gear R2 of the second planetary gear set is fixed to the housing of the distributed drive device.

[0007] In some embodiments, the output shaft of the first drive motor passes through the sun gear S1 of the first planetary gear set and the inside of the first drive motor, and the first drive motor and the output shaft of the first drive motor are coaxially arranged.

[0008] In some embodiments, the output shaft of the second drive motor passes through the sun gear S2 of the second planetary gear set and the inside of the second drive motor, and the second drive motor and the output shaft of the second drive motor are coaxially arranged.

[0009] In some embodiments, the first output shaft is connected to the planet carrier P1 of the first planetary gear set, and the second output shaft is connected to the planet carrier P2 of the second planetary gear set.

[0010] According to the second aspect of the utility model, a vehicle is provided, which applies the distributed drive device described in any one of the above.

[0011] The distributed drive device and the vehicle using the same provided by the utility model shorten the volume of the drive device by disposing the first planetary gear and the second planetary gear, and realize the coaxial independent drive function from the motor to the wheel by arranging the first planetary gear, the first drive motor and the second planetary gear and the second drive motor back to back. At the same time, when the wheel on one side slips, the power can be output through the other wheel, thereby improving the escape ability, the performance of the drive device and the overall performance of the vehicle.

[0012] In addition, in the technical solution of the present utility model, unless otherwise specified, the technical solution can be implemented by adopting conventional means in the art. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following is a brief introduction to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0014] Figure 1 A schematic diagram of the structure of a distributed drive device provided in an embodiment of the utility model.

[0015] Figure 2 A schematic structural diagram of a vehicle provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0016] The terms "including" and "having" and any variations thereof in the present utility model specification and claims are intended to cover non-exclusive inclusions. For example, a process, method, system, product or apparatus that includes a series of steps or units is not necessarily limited to those steps or units explicitly listed, but may include other steps or units that are not explicitly listed or are inherent to these processes, methods, systems, products or apparatuses.

[0017] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Reference Manual Attached Figure 1, an embodiment of the present utility model provides a distributed drive device, including: a first planetary gear set 1, a first drive motor 2, a first output shaft 3, a clutch 4, a second planetary gear set 5, a second drive motor 6 and a second output shaft 7.

[0019] Among them, the first planetary gear set 1 includes a planet carrier P1, a ring gear R1 and a sun gear S1, and the second planetary gear set 5 includes a planet carrier P2, a ring gear R2 and a sun gear S2. The ring gear R1 and the ring gear R2 are respectively fixed on the housing of the distributed drive device.

[0020] The first planetary gear set 1 and the second planetary gear set 5 are symmetrically arranged on both sides of the clutch 4. The input end of the clutch 4 is connected to the planet carrier P1 of the first planetary gear set 1, and the output end of the clutch 4 is connected to the planet carrier P2 of the second planetary gear set 5. The clutch 4 is arranged between the first planetary gear set 1 and the second planetary gear set 5.

[0021] The first output shaft 3 is connected to the planet carrier P1 of the first planetary gear set 1, and the second output shaft 7 is connected to the planet carrier P2 of the second planetary gear set 5. The first output shaft 3 and the second output shaft 7 are coaxially arranged.

[0022] The first drive motor 2 is connected to the first output shaft 3 through the first planetary gear set 1, and the second drive motor 6 is connected to the second output shaft 7 through the second planetary gear set 5.

[0023] The output shaft of the first drive motor 2 passes through the sun gear S1 of the first planetary gear set 1 and the inside of the first drive motor 2. The first drive motor 2 and the output shaft of the first drive motor 2 are coaxially arranged. The first drive motor 2 is arranged on the side of the first planetary gear set 1 away from the clutch 4.

[0024] The output shaft of the second drive motor 6 passes through the sun gear S2 of the second planetary gear set 5 and the inside of the second drive motor 6. The second drive motor 6 and the output shaft of the second drive motor 6 are coaxially arranged. The second drive motor 6 is arranged on the side of the second planetary gear set 5 away from the clutch 4.

[0025] The first planetary gear set 1, the first drive motor 2 and the first output shaft 3 and the second planetary gear set 5, the second drive motor 6 and the second output shaft 7 are symmetrically arranged at both ends of the clutch.

[0026] Refer to the attached instructions Figure 2 , in this embodiment, a vehicle is also shown, which applies any one of the above-mentioned distributed drive devices 100. The distributed drive devices 100 are respectively arranged on the front axle and the rear axle of the vehicle, thereby realizing the independent drive of the four wheels of the whole vehicle.

[0027] The distributed drive device provided by the present utility model and the vehicle applying the same can realize the independent drive of the four wheels of the whole vehicle. The distributed drive device is installed on the front axle or the rear axle, and each of the first output shaft 3 and the second output shaft 7 is connected to a wheel.

[0028] When the vehicle is traveling, the clutch 4 is opened, and the two wheels of the front axle or the rear axle realize independent driving function. When the wheel on one side of the front axle or the rear axle slips, the clutch 4 is closed, and the torque of the first drive motor 2 and the second drive motor 6 are jointly output from the other wheel, realizing the vehicle's high-torque escape function; when the wheels turn, the outer wheels are allowed to output greater torque and speed, thereby improving the vehicle's handling; when the wheels on one side of the front and rear axles rotate forward and the wheels on the other side rotate reversely, the vehicle can realize the function of turning around on the spot.

[0029] The distributed drive device and the vehicle using the same provided by the utility model shorten the volume of the drive device by disposing the first planetary gear and the second planetary gear, and realize the coaxial independent drive function from the motor to the wheel by arranging the first planetary gear, the first drive motor and the second planetary gear and the second drive motor back to back. At the same time, when the wheel on one side slips, the power can be output through the other wheel, thereby improving the escape ability, the performance of the drive device and the overall performance of the vehicle.

[0030] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present disclosure. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0031] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present disclosure.

[0032] The above are only preferred embodiments of the present disclosure and are not intended to limit the present disclosure. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present disclosure should be included in the protection scope of the present disclosure.

Claims

1. A distributed drive device, characterized in that, Comprising: A first planetary gear set (1), a first driving motor (2), a first output shaft (3), a clutch (4), a second planetary gear set (5), a second driving motor (6) and a second output shaft (7), A first planetary gear set (1) is disposed between the first driving motor (2) and the first output shaft (3), A second planetary gear set (5) is disposed between the second driving motor (6) and the second output shaft (7), The first planetary gear set (1) and the second planetary gear set (5) are symmetrically disposed on both sides of the clutch (4), The input end of the clutch (4) is connected to the planet carrier P1 of the first planetary gear set (1), and the output end of the clutch (4) is connected to the planet carrier P2 of the second planetary gear set (5).

2. The distributed drive device according to claim 1, characterized in that, The ring gear R1 of the first planetary gear set (1) is fixed to the housing of the distributed drive device, and the ring gear R2 of the second planetary gear set (5) is fixed to the housing of the distributed drive device.

3. The distributed drive device according to claim 1, characterized in that The output shaft of the first driving motor (2) passes through the sun gear S1 of the first planetary gear set (1) and inside the first driving motor (2), and the first driving motor (2) and the output shaft of the first driving motor (2) are coaxially arranged.

4. The distributed drive device according to claim 1, wherein, The output shaft of the second driving motor (6) passes through the sun gear S2 of the second planetary gear set (5) and inside the second driving motor (6), and the second driving motor (6) and the output shaft of the second driving motor (6) are coaxially arranged.

5. The distributed drive device according to claim 1, wherein The first output shaft (3) is connected to the planet carrier P1 of the first planetary gear set (1), and the second output shaft (7) is connected to the planet carrier P2 of the second planetary gear set (5).

6. A vehicle, characterized in that, Apply the distributed drive device according to any one of claims 1-5.

Images