CN216056682U - Motor with range-extending energy-saving device - Google Patents
Motor with range-extending energy-saving device Download PDFInfo
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- CN216056682U CN216056682U CN202122453062.6U CN202122453062U CN216056682U CN 216056682 U CN216056682 U CN 216056682U CN 202122453062 U CN202122453062 U CN 202122453062U CN 216056682 U CN216056682 U CN 216056682U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model discloses a motor with a range-extending energy-saving device, wherein the range-extending energy-saving device divides a motor with a single technical function into a first motor and a second motor which have the same or different high-quality technical functions, and a first rotor shaft gear arranged on a first motor rotor shaft and a second rotor shaft gear arranged on a second motor rotor shaft are matched and connected with a first speed change gear and a second speed change gear arranged on a speed change gear shaft in the range-extending energy-saving device; the first motor and the second motor are configured to do work synchronously or work by a single motor according to a control instruction sent by a vehicle control unit when the control instruction is received. The motor with the range-extending energy-saving device can do work according to the working condition of the road, so that the high-efficiency interval of the motor doing work is increased; the electric automobile has the advantages of reasonable structure, low manufacturing and using cost, range increasing and energy saving, and can effectively improve the driving force of the motor and increase the driving mileage of the electric automobile.
Description
Technical Field
The utility model relates to the technical field of new energy automobiles, in particular to a motor with a range-extending energy-saving device.
Background
The core problem that new forms of energy electric automobile need to solve at present makes the motor improve drive power and improve electric automobile continuation of the journey mileage, and domestic has a very big part of lower pure electric automobile of price all to adopt single motor drive, but single motor drive's electric automobile does not have automatic transmission, adopts the constant drive ratio transmission, leads to climbing and high-speed unable compromise, hardly satisfies the mobility of electric automobile high-torque, high-speed continuation of the journey. In order to improve the driving efficiency and the endurance mileage of the motor, a plurality of pure electric vehicles adopt a double-motor scheme that one motor is respectively arranged at the front part and the rear part of the electric vehicle, for example, a permanent magnet motor at the front part is matched with an induction motor at the rear part by Tesla, the torque and the rotating speed are coupled through different matching of the double motors, the high-efficiency interval of the system is enlarged, the efficiency of the motors under different working conditions is improved, but one more motor and cooling system are arranged in the front and rear double motors, a group of speed reducers with fixed transmission ratios is arranged, and the weight, the manufacturing cost, the price and the use cost are increased.
Disclosure of Invention
The utility model provides a motor with a range-extending energy-saving device, which has a reasonable structure and can effectively improve the driving force of the motor, aiming at the defects in the prior art, wherein the motor with the range-extending energy-saving device divides a single motor into two motors with the same or two different high-quality technical functions, namely a first motor and a second motor; the motor with the range-extending energy-saving device is used for linking the first motor and the second motor to do work through the range-extending energy-saving device of the motor.
The utility model aims to complete the technical scheme that a motor with a range-extending energy-saving device comprises a motor body and is characterized in that: the motor body comprises a first motor, a second motor and an energy-saving range-extending device, the first motor and the second motor are connected in series or in parallel through the energy-saving range-extending device, the energy-saving range-extending device is respectively in transmission connection with the first motor and the second motor and is used for coupling and outputting the torque and the rotating speed of the two motors when the first motor and the second motor synchronously work, or only one of the first motor and the second motor drives the other motor to idle when the other motor works; the first motor and the second motor are configured to do work synchronously or work by a single motor according to a control instruction sent by a vehicle control unit when the control instruction is received.
Furthermore, the energy-saving range-increasing device comprises a speed-changing gear shaft, and a first speed-changing gear and a second speed-changing gear which are arranged on the speed-changing gear shaft, wherein a rotor shaft of the first motor is provided with a first rotor shaft gear which is meshed with the first speed-changing gear, and the diameter of the first rotor shaft gear is smaller than that of the first speed-changing gear which is connected in a matched manner; and a second rotor shaft gear meshed with the second speed change gear is arranged on a rotor shaft of the second motor, and the diameter of the second rotor shaft gear is larger than that of the second speed change gear which is connected in a matched manner.
Furthermore, the first motor and the second motor are connected in series through an energy-saving range extending device, and the energy-saving range extending device is arranged between the first motor and the second motor; and the rotor shaft of the first motor extends outwards and is used as an output shaft of the motor body to output torque and rotating speed.
Furthermore, the first motor and the second motor are connected in series through an energy-saving range extending device, and the energy-saving range extending device is arranged between the first motor and the second motor; and a first bevel gear is arranged on a speed changing gear shaft of the energy-saving range extending device, is in transmission connection with a rotating shaft provided with a second bevel gear and outputs torque and rotating speed by taking the rotating shaft as an output shaft of the motor body.
Furthermore, the first motor and the second motor are connected in parallel up and down through an energy-saving range-extending device, and a speed change gear shaft of the energy-saving range-extending device extends outwards and serves as an output shaft of the motor body to output torque and rotating speed.
Furthermore, the motor body further comprises a casing and a plurality of bearings which are arranged in the casing and used for mounting the rotor shaft, the speed change gear shaft and the rotating shaft, and end covers which can be opened or closed are detachably arranged on each end face of the casing.
Furthermore, the end cover is detachably connected with the shell at the corresponding position through a fixing screw.
The utility model has the beneficial technical effects that: the utility model belongs to an improvement and innovation of the prior art, and compared with the prior art, the utility model can effectively improve the driving force of the motor of the electric automobile using a single motor and double motors and the endurance mileage of the electric automobile, and has the characteristics of simple and reasonable structure, multiple functions, high efficiency, low cost and the like.
Drawings
FIG. 1 is a schematic structural diagram of a first motor and a second motor connected in series;
FIG. 2 is a schematic view of another structure of the first motor and the second motor connected in series;
fig. 3 is a schematic structural view of the first motor and the second motor connected in parallel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood by those skilled in the art, the present invention is further described with reference to the accompanying drawings and examples.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "inside", "outside", "lateral", "vertical", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 3, the motor with a range-extending energy-saving device of the present invention includes a motor body, and is characterized in that: the motor body comprises a first motor 1, a second motor 2 and an energy-saving range-extending device 3, the first motor 1 and the second motor 2 are connected in series or in parallel through the energy-saving range-extending device 3, the energy-saving range-extending device 3 is respectively in transmission connection with the first motor 1 and the second motor 2 and is used for coupling and outputting the torque and the rotating speed of the two motors when the first motor 1 and the second motor 2 synchronously work, or only one of the first motor 1 and the second motor 2 drives the other motor to idle when the other motor works; the first motor 1 and the second motor 2 are configured to do work synchronously or work by a single motor according to a control instruction sent by a vehicle control unit when the control instruction is received.
As shown in fig. 1-3, the energy-saving range-increasing device 3 includes a transmission gear shaft 31, and a first transmission gear 32 and a second transmission gear 33 which are arranged on the transmission gear shaft 31, a first rotor shaft gear 11 which is meshed with the first transmission gear 32 is arranged on a rotor shaft of the first motor 1, and the diameter of the first rotor shaft gear 11 is smaller than that of the first transmission gear 32 which is connected in a matching way; the rotor shaft of the second motor 2 is provided with a second rotor shaft gear 21 engaged with the second speed change gear 33, and the diameter of the second rotor shaft gear 21 is larger than that of the second speed change gear 33 which is connected in a matching way. In addition, the motor body further comprises a machine shell 4 and a plurality of bearings 5 which are arranged in the machine shell 4 and used for installing the rotor shaft, the rotating shaft and the speed change gear shaft 31, end covers which can be opened or closed are detachably arranged on each end face of the machine shell 4, and the end covers are detachably connected with the machine shell 4 at the corresponding position through fixing screws 6.
In order to enable the motor with the range-extending energy-saving device to output the strongest and efficient kinetic energy and increase the endurance mileage when the electric automobile is started, climbs a slope and is accelerated by 0-100 kilometers, a first motor rotor shaft front bearing mounting device, a first motor rotor shaft rear bearing mounting device, a second motor rotor shaft front bearing mounting device, a second motor rotor shaft rear bearing mounting device, a speed change gear shaft front bearing mounting device, a speed change gear shaft rear bearing mounting device, a rotor shaft head bearing mounting device and a fixing screw on a shell of the motor with the range-extending energy-saving device fix a first motor with bearings arranged in the front and back, a first rotor shaft gear arranged on a rotor shaft, a second motor with bearings arranged in the front and back, and a second rotor shaft gear arranged on a rotor shaft, a speed change gear shaft with bearings arranged in the front and back, a first speed change gear and a second speed change gear arranged on the front and back on the shell of the motor with the range-extending energy-saving device, a first rotor shaft gear arranged on a rotor shaft of the first motor is connected with a first speed change gear of a speed change gear shaft, and a second speed change gear arranged on the speed change gear shaft is connected and linked with a second rotor shaft gear arranged on a rotor shaft of the second motor.
Referring to fig. 1, a first electric machine 1 and a second electric machine 2 are connected in series through an energy-saving range extender 3, and the energy-saving range extender 3 is arranged between the first electric machine 1 and the second electric machine 2; the rotor shaft of the first motor 1 extends outwards and serves as an output shaft of the motor body to output torque and rotating speed. The motor body is connected with the storage battery pack through a motor speed regulation and power supply control device of a control unit of the electric automobile to do work in a linkage manner.
When the electric automobile starts, climbs a slope and accelerates at 0-100 kilometers, the motor speed regulation and power control device of the electric automobile enables the storage battery pack to simultaneously provide corresponding electric energy for the first motor 1 and the second motor 2 which are correspondingly connected with the storage battery pack, and enables the first rotor shaft gear 11 arranged on the rotor shaft of the first motor 1 and the second rotor shaft gear 21 arranged on the rotor shaft of the second motor 2 to simultaneously drive the first speed change gear 32 and the second speed change gear 33 which are connected with the first rotor shaft gear 11 and the second rotor shaft gear to rotate at corresponding torque and corresponding rotating speed, so that the motor body outputs powerful and efficient kinetic energy to drive the electric automobile to efficiently run.
When the electric automobile needs to run at a medium speed, the motor speed regulation and power control device of the electric automobile enables the storage battery pack to provide corresponding electric energy for the first motor 1, the first rotor shaft gear 11 arranged on the rotor shaft of the first motor 1 drives the first speed change gear 32 arranged on the speed change gear shaft 31 to rotate, the second speed change gear 33 arranged on the speed change gear shaft 31 in a linkage mode drives the second rotor shaft gear 21 arranged on the rotor shaft of the second motor connected with the second speed change gear to drive the second motor 2 to rotate, the resistance of the second motor rotor when the first motor 1 outputs kinetic energy is reduced, the rotor shaft of the first motor is enabled to rotate efficiently, and the motor with the range-increasing energy-saving device drives the electric automobile to run at a medium speed.
When the electric automobile needs to run at medium and high speed, the motor speed regulation and power supply control device of the electric automobile enables the storage battery pack to provide corresponding electric energy for the second motor 2 of the motor with the range-increasing energy-saving device, so that the second motor outputs corresponding rotating speed, the second rotor shaft gear 21 arranged on the rotor shaft of the electric automobile drives the second speed change gear 33 and the first speed change gear 32 arranged on the speed change gear shaft 31 to rotate, the first rotor shaft gear 11 arranged on the first motor rotor shaft connected with the electric automobile is linked to rotate at medium and high speed with the first motor rotor shaft, and the motor with the range-increasing energy-saving device drives the electric automobile to run at medium and high speed.
When the electric automobile is accelerated to overtake, the motor speed regulation and power supply control device of the electric automobile enables the storage battery pack to simultaneously provide corresponding electric energy for the first motor 1 and the second motor 2 which are correspondingly connected with the storage battery pack, and enables the first rotor shaft gear 11 arranged on the rotor shaft of the first motor and the second rotor shaft gear 21 arranged on the rotor shaft of the second motor to simultaneously drive the first speed change gear 32 and the second speed change gear 33 arranged on the speed change gear shaft 31 connected with the first motor to rotate at corresponding torque and corresponding rotating speed.
Similarly, in order to enable the motor with the range-extending energy-saving device to output the strongest and efficient kinetic energy and increase the endurance mileage when the electric automobile is started, climbs a slope and is accelerated by 0-100 kilometers, the first motor rotor shaft front bearing mounting device, the first motor rotor shaft rear bearing mounting device, the second motor rotor shaft front bearing mounting device, the second motor rotor shaft rear bearing mounting device, the change gear shaft front bearing mounting device, the change gear shaft rear bearing mounting device, the rotor shaft head bearing mounting device, the output shaft bearing mounting device and the fixing screw on the shell of the motor with the range-extending energy-saving device enable the first motor and the rotor shaft with the bearings mounted in the front and at the back, the second motor and the rotor shaft with the bearings mounted in the front and at the back, and the first change gear mounted in the front and at the back, The speed changing device comprises a speed changing gear shaft of a first bevel gear and a second speed changing gear, an output shaft provided with a bearing and a second bevel gear arranged on the output shaft are fixed on a shell of a motor with a range-extending energy-saving device, a first rotor shaft gear arranged on a rotor shaft of a first motor is connected with the first speed changing gear of the speed changing gear shaft, a second speed changing gear arranged on the speed changing gear shaft is connected with a second rotor shaft gear arranged on a rotor shaft of a second motor, and the first bevel gear arranged on the speed changing gear shaft is connected and linked with the second bevel gear.
Referring to fig. 2, the first electric machine 1 and the second electric machine 2 are connected in series through an energy-saving range extender 3, and the energy-saving range extender 3 is arranged between the first electric machine 1 and the second electric machine 2; the first bevel gear 34 is arranged on the speed changing gear shaft 31 of the energy-saving range extending device 3, the first bevel gear 34 is in transmission connection with a rotating shaft 36 provided with a second bevel gear 35, and the rotating shaft 36 is used as an output shaft of the motor body to output torque and rotating speed.
When the electric automobile starts, climbs and accelerates 0-100 kilometers, the motor speed regulation and power supply control device of the electric automobile enables the storage battery pack to simultaneously provide corresponding electric energy for the first motor 1 and the second motor 2 which are correspondingly connected with the storage battery pack, enables the first rotor shaft gear 11 arranged on the rotor shaft of the first motor and the second rotor shaft gear 21 arranged on the rotor shaft of the second motor to simultaneously drive the first speed change gear 32 and the second speed change gear 33 arranged on the speed change gear shaft 31 connected with the first rotor shaft gear to rotate with corresponding torque and corresponding rotating speed, and drives the second bevel gear 35 and the output shaft to rotate by linking the rotation of the first bevel gear 34 arranged on the speed change gear shaft 31, and the motor with the range-increasing energy-saving device drives the electric automobile to efficiently run.
When the electric automobile needs to run at a medium speed, the motor speed regulation and power control device of the electric automobile enables the storage battery pack to provide corresponding electric energy for the first motor 1, the first rotor shaft gear 11 mounted on the first motor rotor shaft drives the first speed change gear 32 mounted on the speed change gear shaft 31 to rotate, the second speed change gear 33 mounted on the speed change gear shaft 31 in a linkage mode drives the second rotor shaft gear 21 mounted on the second motor rotor shaft connected with the second speed change gear to drive the second motor 2 to rotate, the resistance of the first motor 1 when the second motor 2 passively rotates during outputting kinetic energy is reduced, the first motor rotor shaft efficiently rotates, the first bevel gear 34 mounted on the speed change gear shaft 31 is driven to rotate, the linkage gear 35 and the output shaft rotate, and the second bevel gear 35 and the output shaft are driven to run at a medium speed.
When the electric automobile needs to run at a medium-high speed, the motor speed regulation and power supply control device of the electric automobile enables the storage battery pack to provide corresponding electric energy for the second motor 2 of the motor, so that the second motor outputs a corresponding rotating speed, the second rotor shaft gear 21 arranged on the rotor shaft of the second motor drives the second speed change gear 33 arranged on the speed change gear shaft 31 to rotate at the medium-high speed, the first speed change gear 32 arranged on the linkage speed change gear shaft 31 drives the first rotor shaft gear 11 arranged on the first motor rotor shaft connected with the first rotor shaft to rotate, and the first bevel gear 34 arranged in the middle of the speed change gear shaft 31 in a linkage manner rotates to drive the second bevel gear 35 and the output shaft to rotate, so that the electric automobile runs at the medium-high speed.
When the electric automobile is accelerated to overtake, the motor speed regulation and power control device of the electric automobile enables the storage battery pack to simultaneously provide corresponding electric energy for the first motor 1 and the second motor 2 which are correspondingly connected with the storage battery pack, enables the first rotor shaft gear 11 arranged on the rotor shaft of the first motor and the second rotor shaft gear 21 arranged on the rotor shaft of the second motor to simultaneously drive the first speed change gear 32 and the second speed change gear 33 arranged on the speed change gear shaft connected with the first rotor shaft gear to rotate with corresponding torque and corresponding rotating speed, and is linked with the first bevel gear 34 arranged on the speed change gear shaft 31 to rotate to drive the second bevel gear 35 and the output shaft to rotate, so that the motor with the range-increasing energy-saving device outputs powerful, high-efficiency and high-speed kinetic energy to drive the electric automobile to run at high speed, when the electric automobile slides or runs on a downhill and needs large braking torque, the motor with the range-extending energy-saving device is braked and generates power.
Similarly, in order to enable the motor with the range-extending energy-saving device to output the strongest and efficient kinetic energy and increase the endurance mileage when the electric automobile starts, climbs a slope and is accelerated by 0-100 kilometers, the first motor rotor shaft front bearing mounting device, the first motor rotor shaft rear bearing mounting device, the second motor rotor shaft front bearing mounting device, the second motor rotor shaft rear bearing mounting device, the change gear output shaft front bearing mounting device, the change gear output shaft rear bearing mounting device, the motor rotor shaft head bearing mounting device and the fixing screw on the shell of the motor with the range-extending energy-saving device fix the first motor with the bearings arranged in the front and at the back, the first rotor shaft gear arranged on the rotor shaft, the second motor with the bearings arranged in the front and at the back, and the second rotor shaft gear arranged on the rotor shaft, and the change gear output shaft with the bearings, the first change gear and the second change gear arranged in the front and at the back is fixed on the motor with the range-extending energy-saving device On the shell, a rotor shaft gear arranged on a rotor shaft of the first motor is connected with a first speed change gear arranged on a speed change gear output shaft, and a second speed change gear arranged on the speed change gear output shaft is connected and linked with a second rotor shaft gear arranged on a rotor shaft of the second motor.
Referring to fig. 3, the first motor 1 and the second motor 2 are connected in parallel up and down by an energy-saving range extender 3, and a transmission gear shaft 31 of the energy-saving range extender 3 extends outwards and serves as an output shaft of the motor body to output torque and rotating speed.
When the electric automobile starts, climbs a slope and accelerates at 0-100 kilometers, the motor speed regulation and power supply control device of the electric automobile enables the storage battery pack to simultaneously provide corresponding electric energy for the first motor 1 and the second motor 2 which are correspondingly connected with the storage battery pack, and enables the first rotor shaft gear 11 arranged on the rotor shaft of the first motor and the second rotor shaft gear 21 arranged on the rotor shaft of the second motor to simultaneously drive the first speed change gear 32 and the second speed change gear 33 arranged on the speed change gear output shaft 31 connected with the first rotor shaft gear and the second rotor shaft gear to rotate at corresponding torque and corresponding rotating speed, so that the speed change gear shaft of the motor with the range-extending energy-saving device outputs powerful and efficient kinetic energy to drive the electric automobile to efficiently run.
When the electric automobile needs to run at a medium speed, the motor speed regulation and power control device of the electric automobile enables the storage battery pack to provide corresponding electric energy for the first motor 1, enables the first rotor shaft gear 11 mounted on the first motor rotor shaft to drive the first speed change gear 32 mounted on the speed change gear output shaft 31 to rotate, and the second speed change gear 33 mounted on the speed change gear output shaft 31 in a linkage mode drives the second rotor shaft gear 21 mounted on the second motor rotor shaft connected with the second speed change gear to drive the second motor 2 to rotate, so that the resistance of the first motor 1 when the second motor 2 passively rotates when outputting kinetic energy is reduced, the first rotor shaft gear 11 mounted on the first motor rotor shaft drives the speed change gear output shaft 31 to efficiently rotate, and the electric automobile is driven to run at the medium speed.
When the electric automobile needs to run at a medium-high speed, the motor speed regulation and power supply control device of the electric automobile enables the storage battery pack to provide corresponding electric energy for the second motor 2 arranged in the motor with the range-extending energy-saving device, so that the second motor outputs corresponding rotating speed, and the second rotor shaft gear 21 arranged on the rotor shaft of the second motor drives the second speed change gear 33 arranged on the speed change gear output shaft 31 and the speed change gear output shaft 31 to rotate at the medium-high speed so as to drive the electric automobile to run at the medium-high speed.
When the electric automobile is accelerated to overtake, the motor speed regulation and power supply control device of the electric automobile enables the storage battery pack to simultaneously provide corresponding electric energy for the first motor 1 and the second motor 2 which are correspondingly connected with the storage battery pack, and enables the first rotor shaft gear 11 arranged on the rotor shaft of the first motor and the second rotor shaft gear 21 arranged on the rotor shaft of the second motor to simultaneously drive the first speed change gear 32 and the second speed change gear 33 arranged on the speed change gear output shaft 31 connected with the first motor to rotate at corresponding torque and corresponding rotating speed, so that the speed change gear output shaft of the motor with the range-increasing energy-saving device is linked to output powerful, efficient and high-speed kinetic energy to drive the electric automobile to run at high speed, and when the electric automobile slides or runs on a downhill and needs large braking torque, the motor with the range-increasing energy-saving device is braked to generate electricity.
The range-extending energy-saving device of the motor with the range-extending energy-saving device is set to have a scientific and reasonable transmission ratio, so that the motor with the range-extending energy-saving device can change speed, couple torque and rotate speed according to different working conditions of a running road of an electric automobile, a high-efficiency interval of a system is expanded when kinetic energy is output, energy consumption is reduced, and the endurance mileage of a pure electric automobile is improved. In addition, the high-efficiency interval of the system can be enlarged by different collocation of the double motors, the efficiency of the motors under different working conditions is improved, the defects that the single motor is large in size and single in function are overcome, and the double-motor driving technical effect that one motor is respectively arranged at the front part and the rear part of the electric automobile is achieved.
The specific embodiments described herein are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (7)
1. The utility model provides a motor of area extension range economizer, includes motor body, its characterized in that: the motor body comprises a first motor, a second motor and an energy-saving range-extending device, the first motor and the second motor are connected in series or in parallel through the energy-saving range-extending device, the energy-saving range-extending device is respectively in transmission connection with the first motor and the second motor and is used for coupling and outputting the torque and the rotating speed of the two motors when the first motor and the second motor synchronously work, or only one of the first motor and the second motor drives the other motor to idle when the other motor works; the first motor and the second motor are configured to do work synchronously or work by a single motor according to a control instruction sent by a vehicle control unit when the control instruction is received.
2. The electrical machine with range extending economizer of claim 1 wherein: the energy-saving range extending device comprises a speed changing gear shaft, a first speed changing gear and a second speed changing gear, wherein the first speed changing gear and the second speed changing gear are arranged on the speed changing gear shaft; and a second rotor shaft gear meshed with the second speed change gear is arranged on the rotor shaft of the second motor.
3. The electric machine with a range-extending energy-saving device of claim 2, wherein: the first motor and the second motor are connected in series through an energy-saving range extending device, and the energy-saving range extending device is arranged between the first motor and the second motor; and the rotor shaft of the first motor extends outwards and is used as an output shaft of the motor body to output torque and rotating speed.
4. The electric machine with a range-extending energy-saving device of claim 2, wherein: the first motor and the second motor are connected in series through an energy-saving range extending device, and the energy-saving range extending device is arranged between the first motor and the second motor; and a first bevel gear is arranged on a speed changing gear shaft of the energy-saving range extending device, is in transmission connection with a rotating shaft provided with a second bevel gear and outputs torque and rotating speed by taking the rotating shaft as an output shaft of the motor body.
5. The electric machine with a range-extending energy-saving device of claim 2, wherein: the first motor and the second motor are connected in parallel up and down through the energy-saving range-extending device, and a speed change gear of the energy-saving range-extending device extends outwards in the axial direction and serves as an output shaft of the motor body to output torque and rotating speed.
6. The electric machine with a range-extending energy-saving device according to any one of claims 2 to 5, characterized in that: the motor rotor comprises a rotor shaft, a speed change gear shaft and a rotating shaft, and is characterized by further comprising a machine shell and a plurality of bearings arranged in the machine shell and used for mounting the rotor shaft, the speed change gear shaft and the rotating shaft, wherein end covers capable of opening or closing the machine shell are detachably arranged on each end face of the machine shell.
7. The electric machine with range extending energy saving device of claim 6, wherein: the end cover is detachably connected with the shell at the corresponding position through a fixing screw.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023074564X | 2020-12-18 | ||
| CN202023074564 | 2020-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216056682U true CN216056682U (en) | 2022-03-15 |
Family
ID=80548503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122453062.6U Active CN216056682U (en) | 2020-12-18 | 2021-10-12 | Motor with range-extending energy-saving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216056682U (en) |
-
2021
- 2021-10-12 CN CN202122453062.6U patent/CN216056682U/en active Active
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