CN215850748U - Direct-connected double-power driving system - Google Patents
Direct-connected double-power driving system Download PDFInfo
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- CN215850748U CN215850748U CN202120980582.XU CN202120980582U CN215850748U CN 215850748 U CN215850748 U CN 215850748U CN 202120980582 U CN202120980582 U CN 202120980582U CN 215850748 U CN215850748 U CN 215850748U
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Abstract
The utility model discloses a direct-connected type double-power driving system which comprises a first main shaft and a second main shaft, wherein a power output part is arranged on the first main shaft in a transmission fit manner; the first main shaft and the second main shaft form overrunning in the forward transmission of the first main shaft, and are in meshing transmission in the reverse direction; the utility model adopts the overrunning type direct connection mode of the two power input main shafts to form a double-power driving structure, can select single power driving or double power driving according to the requirement, and the second main shaft can intervene power after synchronous rotation due to the existence of the overrunning structure, so the integral stability is better; meanwhile, the utility model can reduce the power of single power drive, reduce the manufacturing, using and maintaining cost, save energy and improve the cruising ability.
Description
Technical Field
The utility model relates to a driving system for a motor vehicle, in particular to a system with double power inputs.
Background
The electric vehicle drives the electric vehicle to run by taking the vehicle-mounted power storage battery as power, and because the electric vehicle has the characteristics of energy conservation, environmental protection and portability and is low in use cost, more and more attention is paid. In practical use, the cruising ability of the electric vehicle is one of important indexes for inspecting the electric vehicle. In the prior art, an electric vehicle generally adopts a single-motor structure, and the motor type is selected according to the vehicle type or the use condition. For road conditions, the conditions are complex, the requirements for the power of the motors are different greatly, the manufacturing cost of the vehicle is increased due to the adoption of a single motor, and meanwhile, the condition that a trolley is pulled by a large horse can occur, so that the energy waste is caused, and the cruising ability is reduced.
Therefore, a dual power driving structure suitable for the existing electric vehicle is needed.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a direct-coupled dual-power driving system, which has a dual-power driving structure, and can select single-power driving or dual-power driving according to requirements, so as to reduce the power of single-power driving, reduce the manufacturing, using and maintaining costs, and save energy, thereby improving the cruising ability.
The direct-connected type double-power driving system comprises a first main shaft and a second main shaft, wherein a power output part is arranged on the first main shaft in a transmission matching manner;
the first main shaft and the second main shaft form overrunning during forward transmission of the first main shaft, and meshing transmission is performed in the reverse direction.
Furthermore, an overrunning clutch is arranged between the first main shaft and the second main shaft, the overrunning clutch forms overrunning to the second main shaft when the first main shaft is in forward transmission, and the overrunning clutch is in meshing transmission when the first main shaft is in reverse transmission.
Further, the second main shaft is a T-shaped shaft, a counter sink type bearing seat is formed at the end part of the large end of the T shape, and the first main shaft axially extends into the counter sink type bearing seat and is matched with the counter sink type bearing seat through the overrunning clutch.
Further, the power output member is a power output gear and is integrally formed with the first main shaft.
Furthermore, the excircle of the first main shaft is used as the inner ring of the overrunning clutch, and the counter sink type bearing seat is used as the outer ring of the overrunning clutch.
Further, the shaft section of the first main shaft extending into the counter sink type bearing seat is of a stepped shaft structure with the diameter reduced, and the diameter of a shaft shoulder of the stepped shaft structure is larger than the diameter of the counter sink type bearing seat.
Further, still include automatic control system, include:
a detection unit for detecting a power output condition parameter of the first main shaft;
and the control unit is used for receiving the parameters transmitted by the detection unit and sending a command of the second main shaft for transmission intervention according to the parameters.
Further, the first main shaft is driven by a first driving motor, and the second main shaft is driven by a second driving motor;
the detection unit detects the power output condition parameter of the first main shaft as the current parameter of the first driving motor;
and the command of the second main shaft intervening transmission sent by the control unit is a command of sending a second main shaft rotation driving command to a second driving motor.
The utility model has the beneficial effects that: according to the direct-connection type double-power driving system, the double-power driving structure is formed by adopting the overrunning direct-connection mode of the two power input main shafts, single-power driving or double-power driving can be selected according to needs, and due to the existence of the overrunning structure, the second main shaft can be subjected to power intervention after synchronous rotation, so that the overall stability is good; meanwhile, the utility model can reduce the power of single power drive, reduce the manufacturing, using and maintaining cost, save energy and improve the cruising ability.
Drawings
The utility model is further described below with reference to the figures and examples.
FIG. 1 is a schematic cross-sectional view of the structure of the present invention;
fig. 2 is a control schematic diagram of the present invention.
Detailed Description
As shown in the figure: the direct-connected dual-power driving system comprises a first main shaft 1 and a second main shaft 2, wherein a power output part 4 is arranged on the first main shaft 1 in a transmission matching manner;
the first main shaft 1 and the second main shaft 2 form overrunning during forward transmission of the first main shaft 1, and meshing transmission is performed in the reverse direction; the overrunning structure can be selected to be an overrunning clutch matching structure, and the existing overrunning structures such as a ratchet wheel, a cam and the like can be adopted to achieve the purpose of the utility model, so that the detailed description is omitted;
in the embodiment, when the second main shaft 2 does not intervene power input or the rotating speed of the second main shaft 2 does not reach the rotating speed of the first main shaft 1 in the power intervening process, the first main shaft 1 surpasses the driven joint part 5 for transmission, and the power output of the first main shaft 1 cannot be interfered; when the rotating speed of the second main shaft 2 reaches the rotating speed of the first main shaft 1, the second main shaft is meshed to participate in transmission, so that the double-power structure can realize stable transmission, and the driving comfort is improved.
In the embodiment, an overrunning clutch 3 is arranged between the first main shaft 1 and the second main shaft 2, the overrunning clutch 3 forms overrunning to the second main shaft 2 when the first main shaft 1 is in forward transmission, and is in meshing transmission when the first main shaft 1 is in reverse transmission; the overrunning clutch is adopted to achieve the purpose, a standard integral structure can be formed, and the transmission is reliable; the overrun here refers to an overrun direction of the overrun clutch, and is a state in which the second main shaft 2 is not rotated.
In this embodiment, the second spindle 2 is a T-shaped spindle, a counter bore type bearing seat 201 is formed at an end of a large end of the T-shaped spindle, and the first spindle 1 axially extends into the counter bore type bearing seat 201 and is matched with the counter bore type bearing seat through the overrunning clutch 3; as shown in the figure, the overrunning clutch 3 is positioned in the counter-sunk type bearing seat 201 and is matched with the first main shaft 1, the whole structure is compact and reliable, and the lubricating oil is locked to form effective lubrication.
In this embodiment, the power output member 4 is a power output gear and is integrally formed with the first main shaft 1, so that the structure is simple and compact, and the production and the routine maintenance are convenient.
In this embodiment, the outer circle of the first main shaft 1 serves as the inner ring of the overrunning clutch 3, and the counter sink type bearing seat 201 serves as the outer ring of the overrunning clutch, so that the overall structure is simple and compact, the reliability is high, the overall size is reduced, and the manufacturing cost is saved.
In this embodiment, the shaft section of the first main shaft 1 extending into the counter sink type bearing seat is of a stepped shaft structure with a reduced diameter, the diameter of the shaft shoulder 101 of the stepped shaft structure is larger than the diameter of the counter sink type bearing seat 201, and the shaft shoulder can abut against the counter sink type bearing seat during installation, so that the shaft shoulder and the end part of the counter sink type bearing seat are matched to form limit, a relatively closed space is formed integrally for the overrunning clutch, coaxial transmission is guaranteed, integrity of the overrunning clutch is guaranteed, and short-term failure is avoided.
In this embodiment, the system further includes an automatic control system, including:
the detection unit is used for detecting power output condition parameters of the first main shaft, and the power output condition parameters can be parameters capable of reflecting power output conditions such as torque, motor current and the like, and are not described herein again; the detection unit is generally set according to a detected parameter, such as a rotation speed sensor, a torque sensor, and the like;
the control unit is used for receiving the parameters transmitted by the detection unit and sending a command of the second main shaft for transmission intervention according to the parameters; the method can be realized by adopting an independent CPU and peripheral components, and can also realize the purpose of a utility model by utilizing the ECU of the original vehicle, belonging to the control structure and mode of the prior art; if the power input device is a motor, the power input device receives a power-on command, and if the power input device is an engine, the power input device needs to receive a command for starting the engine.
In this embodiment, the first main shaft is driven by a first driving motor, and the second main shaft is driven by a second driving motor; the first driving motor and the second driving motor are not shown in the figures, and power can be directly input to the first main shaft and the second main shaft, or can be input to the first main shaft and the second main shaft through an intermediate device, such as speed reduction and the like, and are not described again;
the detection unit detects the power output condition parameter of the first main shaft as a current parameter of the first driving motor, and the detection unit can detect the current parameter through a current sensor, which is not described herein again;
the command of the second main shaft intervening transmission sent by the control unit is a command for sending a second driving motor to drive the second main shaft to rotate; the control unit sends out a command, and the second main shaft can be rotated and driven by switching on the power supply of the second driving motor.
The forward transmission in the present invention refers to a rotation direction when the vehicle is moving forward, and vice versa, the rotation direction is caused by reversing, and details are not described herein.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (7)
1. A direct-connected type double-power driving system is characterized in that: the power output device comprises a first main shaft and a second main shaft, wherein the first main shaft is provided with a power output part in a transmission fit manner; an overrunning clutch is arranged between the first main shaft and the second main shaft, the overrunning clutch forms overrunning to the second main shaft when the first main shaft is in forward transmission, and the overrunning clutch is in meshing transmission when the first main shaft is in reverse transmission.
2. The direct-connected dual power drive system as recited in claim 1, wherein: the second main shaft is a T-shaped shaft, a counter sink type bearing seat is formed at the end part of the large end of the T shape, and the first main shaft axially extends into the counter sink type bearing seat and is matched with the counter sink type bearing seat through the overrunning clutch.
3. The direct-connected dual power drive system as recited in claim 2, wherein: the power output part is a power output gear and is integrally formed with the first main shaft.
4. The direct-connected dual power drive system as recited in claim 2, wherein: the excircle of the first main shaft is used as the inner ring of the overrunning clutch, and the counter sink type bearing seat is used as the outer ring of the overrunning clutch.
5. Direct-coupled dual power drive system according to claim 2 or 4, characterized in that: the shaft section of the first main shaft extending into the counter sink type bearing seat is of a stepped shaft structure with the diameter reduced, and the diameter of a shaft shoulder of the stepped shaft structure is larger than the diameter of the counter sink type bearing seat.
6. The direct-connected dual power drive system as recited in claim 1, wherein:
still include automatic control system, include:
a detection unit for detecting a power output condition parameter of the first main shaft;
and the control unit is used for receiving the parameters transmitted by the detection unit and sending a command of the second main shaft for transmission intervention according to the parameters.
7. The direct-connected dual power drive system as recited in claim 6, wherein: the first main shaft is driven by a first driving motor, and the second main shaft is driven by a second driving motor;
the detection unit detects the power output condition parameter of the first main shaft as the current parameter of the first driving motor;
and the command of the second main shaft intervening transmission sent by the control unit is a command of sending a second main shaft rotation driving command to a second driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120980582.XU CN215850748U (en) | 2021-05-08 | 2021-05-08 | Direct-connected double-power driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120980582.XU CN215850748U (en) | 2021-05-08 | 2021-05-08 | Direct-connected double-power driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215850748U true CN215850748U (en) | 2022-02-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120980582.XU Active CN215850748U (en) | 2021-05-08 | 2021-05-08 | Direct-connected double-power driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215850748U (en) |
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2021
- 2021-05-08 CN CN202120980582.XU patent/CN215850748U/en active Active
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