CN202098268U - Double-drive driving type wheel - Google Patents

Abstract

The utility model aims at providing a double-drive driving type wheel which comprises a wheel hub, two servo motors, a planet carrier, a sun gear, planet gears, an inner gear, a vehicle-mounted battery and a servo motor controller, wherein the inner gear is fixed on the wheel hub, the sun gear is fixedly connected with a first servo motor, the planet carrier is fixedly connected with a second servo motor, the planet gears are arranged on the planet carrier, the sun gear, the inner gear and the planet gears are mutually meshed, the vehicle-mounted battery and the servo motor controller are both connected with the first servo motor and the second servo motor. The double-drive driving type wheel has higher transmission efficiency and the capability of feedback of braking energy and is energy-saving and environment-friendly.

Description

The active wheel of two drivings

Technical field

The utility model relates to a kind of automotive wheel.

Background technology

Along with the continuous rising of global automobile pollution, fossil energy luxus consumption and problem of environmental pollution highlight day by day, and people's environmental consciousness is constantly strengthened, and the energy-saving and environment-friendly automobile demand constantly increases, and electronlmobil is one of effective way that addresses the above problem.Electronlmobil is than internal-combustion engines vehicle, and is simple in structure, and running, drive disk assembly is few, and the maintenance amount is little, green energy resource easy to use.

Summary of the invention

The purpose of the utility model is to provide that driving efficiency is higher, cost is lower, simple in structure, can be when braking automobile feedback energy and have the good moving velocity, acceleration/accel of internal-combustion engines vehicle, handling two active Wheeling Systems that drive.

The purpose of the utility model is achieved in that

The active wheel of the two drivings of the utility model; It is characterized in that: comprise wheel hub, two servomotors, pinion carrier, sun gear, planetary wheel, inner gear, on-vehicle battery, servomotor controller; Inner gear is fixed on the wheel hub; Sun gear is captiveed joint with first servomotor, and pinion carrier is captiveed joint with second servomotor, and planetary wheel is installed on the pinion carrier; Sun gear, inner gear, planetary wheel are meshing with each other, and on-vehicle battery all links to each other with second servomotor with first servomotor with servomotor controller.

The advantage of the utility model is:

1. adopt two driven by servomotor, both satisfied the electric automobile during traveling requirement, also solved the superfluous problem of conventional motors power simultaneously;

2. an automobile can be installed a plurality of two active wheels that drive, and is convenient to adopt the failure-free Eltec to accomplish gear shift, differential action;

3. driving efficiency is higher;

4. has the braking energy feedback ability, energy-conserving and environment-protective.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the section-drawing of the utility model;

Fig. 3 is the schematic diagram of the utility model.

The specific embodiment

For example the utility model is done description in more detail below in conjunction with accompanying drawing:

In conjunction with Fig. 1～3, the utility model is achieved in that it mainly comprises two cover servomotors, a cover planetary wheel, and a cover wheel wheel hub and a cover servo control unit are formed.The active wheel Mechatronic Systems of two drivings structure referring to Fig. 1, mainly is made up of wheel nave 1, servomotor 2, servomotor 3, pinion carrier 4, sun gear 5, planetary wheel 6, bearing 7, inner gear 8, on-vehicle battery 9, servomotor controller 10.Wherein wheel nave 1 and inner gear 8 are through being welded to connect, and remaining parts keeps specific relative position in the wheel axis direction.Servomotor 2 keeps captiveing joint with sun gear 5, and high pulling torque slow speed of revolution servomotor 3 keeps captiveing joint through gear with pinion carrier 4, to guarantee stable drive; Planetary wheel 6 is hinged through bearing 7 and pinion carrier 4, keeps engagement with sun gear 5 and inner gear 8 simultaneously, guarantees that it also can revolve round the sun around wheel nave 1 axis in the time of self axis rotation.

The utility model principle of work is following:

As shown in Figure 3, this Mechatronic Systems part is made up of input shaft 11, input shaft 12, output shaft 13, pinion carrier 4, sun gear 5, planetary wheel 6, inner gear 8, is the differential gear train that is made up of the epicyclic train with two degree of freedom.In the practical application, the motion of necessary given two members could be confirmed the motion of the 3rd member.For finding the solution the differential gear train transmitting ratio,, promptly manage pinion carrier 4 is kept fixed when managing to convert it into fixed shaft gear train.Can know by relative motion principle, might as well add that relative motion is constant between each member of this differential gear train at this moment to this differential gear train one public rotation.Additional to differential gear train one angular velocity omega _H, promptly equal additional to pinion carrier 4 backward rotation cireular frequency-ω _HSo then pinion carrier 4 is motionless, and former differential gear system promptly is converted into fixed shaft gear train, and corresponding transmitting ratio formula is following:

$i_{13}^H=\frac{{\mathrm{\ω}}_1^H}{{\mathrm{\ω}}_3^H}=\frac{{\mathrm{\ω}}_1-{\mathrm{\ω}}_H}{{\mathrm{\ω}}_3-{\mathrm{\ω}}_H}=-\frac{Z_3}{Z_1}---\left(1\right)$

ω ₁---the cireular frequency of input shaft 12;

ω ₃---the cireular frequency of output shaft 13;

ω _H---the cireular frequency of input shaft 11;

---input shaft 12 is with respect to the relative angle speed of pinion carrier 4;

---output shaft 13 is with respect to the relative angle speed of pinion carrier 4;

Z ₃---inner gear 8 numbers of teeth;

Z ₁---sun gear 5 numbers of teeth.

Put in order by formula (1):

${\mathrm{\&omega;}}_3=(1+\frac{Z_1}{Z_3}){\mathrm{\&omega;}}_H-\frac{Z_1}{{\mathrm{<figure-callout\; id="3"\; label="Z"\; filenames="HDA0000061476690000021.png"\; state="\{\{state\}\}">Z</figure-callout>}}_3}{\mathrm{\&omega;}}_1---\left(2\right)$

Wherein,

Less than 1, input shaft 12 is identical with output shaft 13 rotation directions, the angular velocity omega of input shaft 11 _HVia the differential gear train speedup, can be the active wheel of two drivings higher rotation speed is provided; Input shaft 12 and output shaft 13 switched in opposite, input shaft 12 angular velocity omegas ₁Slow down via differential gear train, can be the active wheel of two drivings provides than high pulling torque.

The concrete working process of the utility model is following:

In the running car stage, servomotor 2 drives sun gear 5 and makes planetary wheel 6 rotations, and servomotor 3 makes planetary wheel 6 revolution with pinion carrier 4, so engagement inner gear 8 drives wheel nave 1 rotation, advances thereby drive electronlmobil.In the car deceleration stage, pinion carrier 4 keeps fixed with servomotor 2, and the wheel nave 1 of motion becomes the imput power source, through 6 rotations of inner gear 8 meshing planetary gears and revolution, so drives high pulling torque slow speed of revolution servomotor 3 and rotates with sun gear 5.At this moment, to change electrical generator into be on-vehicle battery 9 charging through regenerative brake to servomotor 3 and be car deceleration.

Automobile basic exercise form mainly contains three kinds of uniform movement, accelerated movement and decelerated movements.Correspondingly, the active wheel movement form of two drivings also has: little moment of torsion rotates, and high pulling torque rotates and energy regeneration is braked three kinds.The utility model characteristics in view of the above provides three kinds of corresponding motion schemes, and specific embodiments is following:

Little moment of torsion rotates: at level road at the uniform velocity or approximate when at the uniform velocity going, the SR square is little, and suitably regulating control servomotor controller 10 can guarantee that the little moment of torsion of servomotor 2 outputs rotates, and is then transmitted the motion on the wheel nave 1 by pinion carrier 4.

Big square reverses moving: in Po Lu went or give it the gun process, the active wheel of two drivings need provide high pulling torque output for automobile.At this moment through servomotor controller 10, can guarantee that servomotor 2 reaches specific speed, drive servomotor 3 and rotate drive pinion carrier 4, for the big torque steam supply car of wheel nave 1 output quickens or upward slope.

Energy regeneration braking: in the car deceleration stage; Pinion carrier 4 keeps fixed with servomotor 2; Make servomotor 3 change electrical generator into through servomotor controller 10; Obtain bigger over-speed gear ratio through sun gear 5 and planetary wheel 6, at this moment wheel nave 1 will be as the energy input end, for electrical generator provides energy.Generator for electricity generation and with electric feedback to on-vehicle battery, consume kinetic energy, realize that electronlmobil slows down and stored energy.

Claims (1)

1. the active wheel of two drivings; It is characterized in that: comprise wheel hub, two servomotors, pinion carrier, sun gear, planetary wheel, inner gear, on-vehicle battery, servomotor controller; Inner gear is fixed on the wheel hub; Sun gear is captiveed joint with first servomotor, and pinion carrier is captiveed joint with second servomotor, and planetary wheel is installed on the pinion carrier; Sun gear, inner gear, planetary wheel are meshing with each other, and on-vehicle battery all links to each other with second servomotor with first servomotor with servomotor controller.

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