CN109572413A - A kind of deceleration device of hub motor - Google Patents
A kind of deceleration device of hub motor Download PDFInfo
- Publication number
- CN109572413A CN109572413A CN201811341233.2A CN201811341233A CN109572413A CN 109572413 A CN109572413 A CN 109572413A CN 201811341233 A CN201811341233 A CN 201811341233A CN 109572413 A CN109572413 A CN 109572413A
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- China
- Prior art keywords
- gear
- planetary gear
- bevel gear
- main shaft
- planetary
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Retarders (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
本发明提供了一种轮毂电机的减速装置，涉及一种电机减速装置。它解决了现有技术中减速比小、受力不合理的问题。本轮毂电机的减速装置，包括主轴、轮毂、设置在轮毂两侧的第一端盖、第二端盖，轮毂通过第一端盖、第二端盖可转动的支撑在主轴上，两端盖之间设置有驱动电机及减速机构，第一端盖通过减速机构与电机转子连接；所述减速机构包含行星架、若干个第一行星轮、若干个第二行星轮、太阳轮和齿圈，太阳轮可转动的套在主轴上。第一行星轮与太阳轮啮合，第一行星轮与第二行星轮通过转轴同轴连接。本发明将行星轮的大小齿轮设置于行星架的两侧，有利于设置更小的小齿轮，提高传动比，从而使得行星架及行星轮轴受到对称力的载荷，有助于提高使用寿命。
The invention provides a deceleration device of a wheel hub motor, and relates to a deceleration device of a motor. It solves the problems of small reduction ratio and unreasonable force in the prior art. The deceleration device of the in-wheel motor includes a main shaft, a wheel hub, a first end cover and a second end cover arranged on both sides of the wheel hub. A drive motor and a deceleration mechanism are arranged therebetween, and the first end cover is connected with the motor rotor through the deceleration mechanism; the deceleration mechanism includes a planet carrier, several first planetary gears, several second planetary gears, a sun gear and a ring gear, The sun gear is rotatably mounted on the main shaft. The first planetary gear meshes with the sun gear, and the first planetary gear and the second planetary gear are coaxially connected through the rotating shaft. In the present invention, the large and small gears of the planetary gear are arranged on both sides of the planetary carrier, which is favorable for setting smaller pinions and improving the transmission ratio, so that the planetary carrier and the planetary wheel shaft are subjected to the load of symmetrical force, which helps to improve the service life.
Description
Technical field
The invention belongs to hub motor technical fields, are related to a kind of deceleration device of hub motor.
Background technique
Hub motor is the important equipment of electric vehicle, decides the quality of vehicle performance, due to the output speed of motor
It is generally higher, slow down so deceleration mechanism will usually be arranged, planetary gear speed reducing mechanism generallys use at present
Ways of deceleration, but two coaxial big pinion gears of planetary gear use hierarchic structure at present, and two axis are arranged in planet
Frame it is ipsilateral, although such structure structure is simple, since two in-line gears are process by a block, this is allowed for
What wherein pinion gear was not capable of processing is too small, so that transmission ratio cannot get a greater increase, and due to two gear positions
In the ipsilateral of planet carrier, so that the load of planet carrier and planet wheel spindle by asymmetric force, reduces the service life of equipment.
Summary of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, propose a kind of deceleration dress of hub motor
It sets, the deceleration device of this hub motor helps so that the diameter of the pinion gear of planetary gear becomes smaller, to help to improve
Transmission ratio obtains bigger torque, and the big pinion gear of planetary gear is made to be located at the two sides of planet carrier, so that planet carrier
And load of the planet wheel spindle by symmetric force, help to improve service life.
Object of the invention can be realized by the following technical scheme: a kind of deceleration device of hub motor, including master
Axis, wheel hub, the first end cover that wheel hub two sides are arranged in, second end cover, wheel hub are rotatably propped up by first end cover, second end cover
Support is provided with driving motor and deceleration mechanism on main shaft, between two end cap, and first end cover passes through deceleration mechanism and rotor
Connection；The deceleration mechanism includes planet carrier, several first planetary gears, several the second planetary gear, sun gear and gear rings, too
Sun wheel rotatably covers on main shaft.First planetary gear is engaged with sun gear, and the first planetary gear and the second planetary gear pass through shaft
Coaxially connected, shaft rotation is supported on planet carrier, and planet carrier is fixed with respect to main shaft, and the gear ring is fixed on first end cover
On, the second planetary gear is engaged with gear ring, and the sun gear is connect with rotor, and motor stator is fixed with respect to main shaft, the first row
Star-wheel and the second planetary gear are located at planet carrier two sides.The cable hole being provided with inside and outside connection motor on main shaft, electric wire pass through
Cable hole connects motor and external power supply, and the cable hole is arranged with respect to inclined main axes, and cable hole Single port is located on the outside of lid
The other end is located on the inside of lid.
In the deceleration device of above-mentioned hub motor, sun gear is greater than second less than the first planetary gear, the first planetary gear
Planetary gear.
In the deceleration device of above-mentioned hub motor, the first planetary gear is 3.
In the deceleration device of above-mentioned hub motor, the axial projection, radial protrusion end be hemispherical.
Further include vehicle stabilization servomechanism in the deceleration device of above-mentioned hub motor, mechanism setting with subtract
The other side of the opposite motor of fast mechanism, including upper bevel gear, left bevel gear, lower bevel gear, the right bevel gear successively engaged, umbrella
Gear support frame, the axle sleeve covered on main shaft, the axle sleeve are connect with rotor, and the axle sleeve slidably passes through bevel gear
Flying wheel, the left bevel gear and right umbrella are provided on support frame, left bevel gear and right bevel gear, upper bevel gear and lower bevel gear
The opposite end of gear is provided with axial projection, and radial protrusion, umbrella tooth are provided on the axle sleeve between the axial projection
Telescopic control device is provided between wheeling supporting frame and main shaft.Due to the mechanism bevel-gear rotating when, upper and lower two flying wheels
Revolving speed it is identical, revolving speed is on the contrary, thus constitute a gyratory stabilizing system, if wheel is arranged in together with hub motor
When upper, the perturbed force being subject at left and right sides of wheel can be overcome, to keep vehicle balance, but do not interfere the turn of vehicle,
This is advantageously implemented the unmanned of vehicle.It is mobile relative to axle sleeve by telescopic control device control umbrella tooth wheeling supporting frame, from
And make the protrusion on axle sleeve and the projection contacts on left bevel gear or right bevel gear, so that left bevel gear or right bevel gear
It is associated with the rotation of rotor, so as to which the rotation of wheel hub is passed to flying wheel or mends the energy of flying wheel storage
It fills to wheel hub, to realize that a system realizes the effect of stable vehicle and power-assisted simultaneously.
Compared with prior art, the deceleration device of this hub motor has the advantage that
The big pinion gear of planetary gear is set to the two sides of planet carrier by the present invention, is conducive to that smaller pinion gear is arranged, is improved and pass
Dynamic ratio, so that the load of planet carrier and planet wheel spindle by symmetric force, helps to improve service life, structure is simple, behaviour
Facilitate, it is at low cost.
Detailed description of the invention
Fig. 1 is the device appearance schematic diagram of embodiment one；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the sectional view along AA of Fig. 2；
Fig. 4 is the DD of Fig. 3 to cross-sectional view；
Fig. 5 is the BB of Fig. 3 to cross-sectional view；
Fig. 6 is the schematic diagram of embodiment two.
In figure, main shaft 1, wheel hub 2, first end cover 3, second end cover 4, planet carrier 5, the first planetary gear 6, the second planetary gear 7,
Sun gear 8, gear ring 9, rotor 10, upper bevel gear 11, left bevel gear 12, lower bevel gear 13, right bevel gear 14, bevel gear branch
Support 15, axle sleeve 16, flying wheel 17, axial projection 18, radial protrusion 19, electric expansion cylinder 20, shaft 21, cable hole 22.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described in conjunction with attached drawing,
However, the present invention is not limited to these examples.
Embodiment one
As shown in Fig. 1,2,3,4,5, including main shaft 1, wheel hub 2, wheel hub two sides are arranged in a kind of deceleration device of hub motor
First end cover 3, second end cover 4, wheel hub are rotatably supported on main shaft by first end cover, second end cover by bearing, and two
Driving motor and deceleration mechanism are provided between end cap, first end cover is connect by deceleration mechanism with rotor.The deceleration
Mechanism includes 5,3 the first planetary gears of planet carrier, 6,3 the second planetary gears 7, sun gear 8 and gear ring 9, and sun gear rotatably covers
It is connect on main shaft and with rotor 10.3 the first planetary gears are engaged with sun gear, first planetary gear and one second
Planetary gear is coaxially connected by shaft 21, and shaft is supported on planet carrier by what bearing rotated, and planet carrier is fixed with respect to main shaft,
The gear ring is fixed in first end cover, and 3 the second planetary gears are engaged with gear ring, and motor stator is fixed with respect to main shaft, the first row
Star-wheel and the second planetary gear are located at the roller end of planet carrier two sides.Sun gear is less than the first planetary gear, the first planetary gear
Greater than the second planetary gear.Motor driven sun gear rotates when work, and sun wheel drive planetary gear rotation, planetary gear driven gear ring turns
Dynamic, gear ring is rotated by first end cover band runner hub and second end cover, to realize the reduction of speed to motor.Due to by planetary gear
Two gears in left and right are independently arranged at the both ends of planet carrier, so as to by the smaller of Gear Processing, and make shaft and row
Carrier load is symmetrical, optimizes the force structure of equipment, is conducive to the smooth work of equipment, extends service life of equipment.It is arranged on main shaft
There is the cable hole 22 inside and outside connection motor, electric wire connects motor and external power supply by cable hole, and the cable hole is with respect to main shaft
It is obliquely installed, cable hole Single port is located at the other end on the outside of lid and is located on the inside of lid.
Embodiment two
As shown in fig. 6, further including vehicle stabilization servomechanism, mechanism setting in the deceleration device of above-mentioned hub motor
In the other side of the motor opposite with deceleration mechanism, including the upper bevel gear 11, left bevel gear 12, lower bevel gear successively engaged
13, right bevel gear 14, umbrella tooth wheeling supporting frame 15, the axle sleeve 16 covered on main shaft, the axle sleeve are connect with rotor, the axis
Set slidably passes through umbrella tooth wheeling supporting frame, left bevel gear and right bevel gear, is provided with inertia on upper bevel gear and lower bevel gear
Wheel 17, the left bevel gear end opposite with right bevel gear is provided with axial projection 18, between the axial projection
It is provided with radial protrusion 19 on axle sleeve, is provided with telescopic control device between umbrella tooth wheeling supporting frame and main shaft, may be, for example, electronic
Telescoping cylinder 20.Due to the mechanism bevel-gear rotating when, the revolving speed of upper and lower two flying wheels is identical, and revolving speed is on the contrary, thus structure
At a gyratory stabilizing system, if be arranged on wheel together with hub motor, can overcome at left and right sides of wheel by
The perturbed force arrived to keep vehicle balance, but does not interfere the turn of vehicle, this is advantageously implemented the unmanned of vehicle.
Umbrella tooth wheeling supporting frame is controlled relative to axle sleeve movement, so that protrusion and left bevel gear on axle sleeve by telescopic control device
Or the projection contacts on right bevel gear, so that left bevel gear or right bevel gear are associated with the rotation of rotor, thus
The rotation of wheel hub can be passed to flying wheel or by the energy supplement of flying wheel storage to wheel hub, to realize that a system is same
Shi Shixian stablizes the effect of vehicle and power-assisted.The axial projection, radial protrusion end be hemispherical.
For example, telescoping mechanism control axle sleeve connects protrusion thereon with the protrusion on left bevel gear when vehicle descending
The speed of touching, wheel hub passes to rotor by the amplification of epicyclic transmission mechanism, and rotor passes through axle sleeve again and passes speed
Pass left bevel gear so that flying wheel rotate, when go up a slope when, can control axle sleeve make thereon protrusion with right bevel gear
On projection contacts, the momentum of flying wheel passes to wheel hub by right bevel gear, axle sleeve, rotor, deceleration mechanism.Work as casing
Protrusion not with the projection contacts on any one bevel gear when, the rotation of rotor not with vehicle stabilization servomechanism generate
Energy exchange, flying wheel is free to rotate at this time, for guaranteeing vehicle balance.
Although some terms are used more herein, it does not exclude the possibility of using other terms.Use these
Term is only for the convenience of describing and explaining the nature of the invention；It is construed as any additional limitation all
It is to be disagreed with spirit of that invention.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (5)
1. a kind of deceleration device of hub motor, including main shaft, wheel hub, the first end cover that wheel hub two sides are arranged in, second end cover,
Wheel hub is rotatably supported on main shaft by first end cover, second end cover, and driving motor and deceleration are provided between two end cap
Mechanism, which is characterized in that first end cover is connect by deceleration mechanism with rotor；If the deceleration mechanism include planet carrier,
Dry the first planetary gear, several the second planetary gear, sun gear and gear rings, sun gear rotatably cover on main shaft, the first row
Star-wheel is engaged with sun gear, and the first planetary gear is coaxially connected by shaft with the second planetary gear, and shaft rotation is supported on planet
On frame, planet carrier is fixed with respect to main shaft, and the gear ring is fixed in first end cover, and the second planetary gear is engaged with gear ring, it is described too
Sun wheel is connect with rotor, and motor stator is fixed with respect to main shaft, and the first planetary gear and the second planetary gear are located at planet carrier
Two sides；The cable hole being provided with inside and outside connection motor on main shaft, electric wire connect motor and external power supply by cable hole, it is described walk
String holes is arranged with respect to inclined main axes, and cable hole Single port is located at the other end on the outside of lid and is located on the inside of lid.
2. the deceleration device of hub motor according to claim 1, which is characterized in that sun gear less than the first planetary gear,
First planetary gear is greater than the second planetary gear.
3. the deceleration device of hub motor according to claim 1, which is characterized in that the first planetary gear is 3.
4. the deceleration device of hub motor according to claim 1, which is characterized in that further include vehicle stabilization booster engine
The other side of the motor opposite with deceleration mechanism is arranged in structure, the mechanism, including successively engage upper bevel gear, left bevel gear,
Lower bevel gear, right bevel gear, umbrella tooth wheeling supporting frame, the axle sleeve covered on main shaft, the axle sleeve are connect with rotor, the axis
Set slidably passes through umbrella tooth wheeling supporting frame, left bevel gear and right bevel gear, is provided with inertia on upper bevel gear and lower bevel gear
Wheel, the left bevel gear end opposite with right bevel gear are provided with axial projection, the axle sleeve between the axial projection
On be provided with radial protrusion, be provided with telescopic control device between umbrella tooth wheeling supporting frame and main shaft.
5. the deceleration device of hub motor according to claim 4, which is characterized in that the axial projection, radial protrusion
End be hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341233.2A CN109572413B (en) | 2018-11-12 | 2018-11-12 | Speed reducer of hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811341233.2A CN109572413B (en) | 2018-11-12 | 2018-11-12 | Speed reducer of hub motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109572413A true CN109572413A (en) | 2019-04-05 |
| CN109572413B CN109572413B (en) | 2020-09-01 |
Family
ID=65922077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811341233.2A Expired - Fee Related CN109572413B (en) | 2018-11-12 | 2018-11-12 | Speed reducer of hub motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109572413B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112615522A (en) * | 2020-11-30 | 2021-04-06 | 珠海格力电器股份有限公司 | Magnetic gear assembly and composite motor with same |
| CN112977045A (en) * | 2021-02-08 | 2021-06-18 | 四川科维时代材料科技有限公司 | Vehicle starting power assisting device, system and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756641A (en) * | 2011-04-26 | 2012-10-31 | 现代摩比斯株式会社 | In-wheel driving apparatus |
| CN103758968A (en) * | 2014-01-21 | 2014-04-30 | 武汉理工大学 | Flywheel energy storage device and rail guided trolley running mechanism with same |
| CN104742731A (en) * | 2015-03-30 | 2015-07-01 | 朱秀刚 | Gyroscope-type transmission device for vehicle |
| CN207603381U (en) * | 2017-11-30 | 2018-07-10 | 宁波麦思动力系统有限公司 | A kind of wheel hub motor and electric bicycle |
| CN207926363U (en) * | 2018-03-19 | 2018-09-28 | 浙江尤奈特电机有限公司 | A kind of wheel hub motor |
-
2018
- 2018-11-12 CN CN201811341233.2A patent/CN109572413B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102756641A (en) * | 2011-04-26 | 2012-10-31 | 现代摩比斯株式会社 | In-wheel driving apparatus |
| CN103758968A (en) * | 2014-01-21 | 2014-04-30 | 武汉理工大学 | Flywheel energy storage device and rail guided trolley running mechanism with same |
| CN104742731A (en) * | 2015-03-30 | 2015-07-01 | 朱秀刚 | Gyroscope-type transmission device for vehicle |
| CN207603381U (en) * | 2017-11-30 | 2018-07-10 | 宁波麦思动力系统有限公司 | A kind of wheel hub motor and electric bicycle |
| CN207926363U (en) * | 2018-03-19 | 2018-09-28 | 浙江尤奈特电机有限公司 | A kind of wheel hub motor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112615522A (en) * | 2020-11-30 | 2021-04-06 | 珠海格力电器股份有限公司 | Magnetic gear assembly and composite motor with same |
| CN112977045A (en) * | 2021-02-08 | 2021-06-18 | 四川科维时代材料科技有限公司 | Vehicle starting power assisting device, system and method |
| CN112977045B (en) * | 2021-02-08 | 2022-01-28 | 四川科维时代材料科技有限公司 | Vehicle starting power assisting device, system and method |
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| Publication number | Publication date |
|---|---|
| CN109572413B (en) | 2020-09-01 |
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