CN201998778U - Front axle device integrated with external drive motor for single axle drive vehicle - Google Patents

Abstract

The utility model discloses a front axle device integrated with an external drive motor for a single axle drive vehicle. The front axle device integrated with the external drive motor for the single axle drive vehicle comprises a first front axle shell, a second front axle shell, an inner half-axle, a pair of outer half-axles, a pair of universal joints, a pair of differential side gears, a pair of differential planet gears, a driven gear of the inner half-axle and a power input shaft, wherein the front axle device for the single axle drive vehicle also comprises a drive motor; a drive rotor of the drive motor is arranged on the power input shaft; the power input shaft is hung on the exterior of the first front axle shell and is meshed with the driven gear of the inner half-axle; and a motor stator winding and a motor iron core rotor shell of the drive motor are fastened on the outer wall of the first front axle shell by welding or bolts. In the utility model, the drive motor is directly arranged on the front axle shells and is much closer to a power actuating mechanism, so as to improve the transmission efficiency, save a set of power transmission system and simplify the structure; meanwhile, the drive motor is arranged on the outer surface of the front axle shells, so that the drive motor is not limited by the inner space of the front axle shells, and various motors can be applied.

Description

A kind of collect plug-in drive motor be the single shaft of one drive automobile-used before Biodge device

Technical field

The utility model belongs to the automobile power transmission field, and the plug-in drive motor of collection that particularly relates to a kind of oil electric mixed dynamic automobile is that the single shaft of one drives automobile-used preceding Biodge device.

Background technology

Hybrid vehicle has two propulsions source: heat dynamic resource (being produced by traditional spark ignition engine or diesel engine) and electrodynamic source (battery and electrical motor).According to the bind mode that hybrid power drives, its power transmission mode is divided into following three classes: parallel, and tandem and series parallel type.Above-mentioned three kinds of hybrid power drive methods, characteristics in view of hybrid vehicle self, it all has two cover power drives (shown in the accompanying drawing 1), this hybrid power automobile driving system mainly comprises driving engine 200, power-transfer clutch 201,202, electronic-powerplant module 104, storage battery 103 and outer semiaxis 41, inner shaft 61 bonded assembly wheels 102, have complex structure, driving efficiency is low, the shortcoming that cost is high.In addition, its propulsion source, especially electrodynamic source are far away apart from powered actuation mechanism (front vehicle wheel), cause under electric model, and the driving efficiency of hybrid vehicle is not high; At present, all there are the problems referred to above in the power transmission mode of the hybrid vehicle of having used for the market.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of on the basis that guarantees the stable and structural strength of propons apparatus structure, by directly increasing the method for drive motor in the Biodge device before former, with the plug-in drive motor of collection of the purpose of the raising of the simplification that realizes existing hybrid vehicle power transmission arrangment, power transmission efficiency and energy recovery be the single shaft of one drive automobile-used before Biodge device.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of collect plug-in drive motor be the single shaft of one drive automobile-used before Biodge device, comprise first front axle housing, second front axle housing, inner shaft, one external semiaxis, a pair of universal-joint, a pair of differential side gear, a pair of differential pinion gear, inner shaft is from gear and power input shaft, described single shaft drives automobile-used preceding Biodge device and also comprises drive motor, the driving rotor of described drive motor is installed on the described power input shaft, described power input shaft be hung on outward first front axle housing and with inner shaft from gear mesh.

The motor stator winding of described drive motor and electric machine iron core stator casing by the welding or bolted at the first front axle housing outer wall.

Beneficial effect:

The utility model adopts electrodynamic source (drive motor) to be directly installed on the front axle housing outer face surface, and more close powered actuation mechanism has improved power transmission efficiency; Save a cover power drive system, simplified structure; Simultaneously, drive motor is installed on the front axle housing outside face, not limited by the front axle housing inner space, can use multiple motor, for example disc type electric machine.

Description of drawings

Fig. 1 is existing hybrid power automobile driving system structural representation.

Fig. 2 is the utility model structural representation.

Fig. 3 is a hybrid power automobile driving system structural representation in the utility model.

Fig. 4 is an embodiment drive system structure sketch.

Fig. 5 is the drive system structure sketch of the utility model band drive motor.

The specific embodiment

Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.

Be illustrated in figure 2 as the utility model a kind of collect plug-in drive motor be the single shaft of one drive automobile-used before Biodge device, comprise first front axle housing 7, second front axle housing 71, inner shaft 10, one external semiaxis 4, a pair of universal-joint 15, a pair of differential side gear 5, a pair of differential pinion gear 6, inner shaft is from gear 3 and power input shaft 12, described single shaft drives automobile-used preceding Biodge device and also comprises drive motor 100, the drive motor rotor 9 of drive motor 100 is installed on the described power input shaft 12, power input shaft 12 is outer be hung on first front axle housing 7 and with inner shaft from gear 3 engagements, the motor stator winding 8 of drive motor 100 and electric machine iron core stator casing 13 by welding or bolted at first front axle housing, 7 outer walls.

The utility model principle is as follows, referring to figs. 2 and 3 shown in:

Electrodynamic source in the utility model (drive motor) is directly installed on propons inner shaft flower wheel place, and more close powered actuation mechanism has improved power transmission efficiency; Save a cover power drive system, simplified structure; Simultaneously, increase in front axle housing inside and to have adorned an electronic imput shaft, by changing this shaft gear number, and then change transmitting ratio i, thereby obtain our required motor-driven torque, can utilize the fixed motor of output torque easily.

Under the hybrid vehicle fuel oil pattern, driving engine 200 is opened closed power-transfer clutch 202, power input shaft 12 rotates and drives driver pinion 2 rotations, drive inner shaft flower wheel 3 and rotate, differential side gear 5 rotates, and drives differential pinion gear 6 and rotates (during turning; If take the air line, the relative differential side gear of 6 of differential pinion gears 5 is static), drive right inner shaft rotate drive by universal-joint 15 about outer semiaxis rotate, finally realize front vehicle wheel 102 rotations; Simultaneously, driver pinion 2 rotates, and drives drive motor 100 and rotates, and drive motor 100 generatings store accumulators.

Under the hybrid vehicle electric model, cut-off clutch 202, drive motor 100 is opened, and drives electronic driver pinion 2 and rotates, and drives inner shaft flower wheel 3 and rotates, and differential side gear 5 rotates, and drives differential pinion gear 6 and rotates (during turning; If take the air line, the relative differential side gear of 6 of differential pinion gears 5 is static), drive right inner shaft with left inner shaft rotates simultaneously, finally realize front vehicle wheel 102 rotations.

Under the hybrid vehicle hybrid mode: closed power-transfer clutch 202, driving engine 200 is opened, driver pinion 2 rotates, simultaneously, drive motor 100 is opened, and driving engine 200, drive motor 100 drive driver pinion 2 in the lump and rotate, and drives inner shaft flower wheel 3 and rotates, differential side gear 5 rotates, and drives differential pinion gear 6 and (rotates when turning; If take the air line, the relative differential side gear of 6 of differential pinion gears 5 is static), drive right inner shaft and rotate, outer semiaxis rotates about driving by universal-joint 15, finally realizes front vehicle wheel 102 rotations.

Embodiment:

Pleasing 2009 sections of manual elite's types of 2.0L with the Yangze river and Huai river guest is objective for implementation, and Fig. 4, Fig. 5 are cooresponding hybrid vehicle body construction sketch and schematic diagram among this embodiment, and 200 is that electrical generator, 202 is that power-transfer clutch, 102 is that front vehicle wheel, 100 is drive motor among the figure.

1), according to the parameter that the Yangze river and Huai river guest pleases 2009 sections of manual elite's types of 2.0L, obtain this car maximum speed Vmax, wheel 102 radius Rs, body quality m; I is the transmitting ratio (shown in Figure 4) of driver pinion and inner shaft flower wheel; Solve this car and ground coefficient of rolling friction f, vehicle body equivalence windage area A.

2), find the solution the drive motor parameter.Resolution principle satisfies following equation:

$n_{\max }=\frac{v_{\max }}{R*2*\mathrm{\π}}*60---\left(1\right)$

F _f＝m*g*f………………………………………(2)

$F_w=0.5*C_d*A*\mathrm{\ρ}*v_{\max }^2---\left(3\right)$

$T_e=\frac{F_f+F_w}{R*i}---\left(4\right)$

$P=T_e*\frac{v_{\max }}{R}*i---\left(5\right)$

Wherein, nmax is the drive motor maximum speed of revolution, and π is a circular constant, and Ff is a force of rolling friction between car ground, and g is an acceleration due to gravity, and Fw is a windage, and Cd is an air resistance coefficient, and ρ is a density of air, and Te is the drive motor maximum output torque, and P is the motor horsepower output.

3), according to step 2) calculate determined relation, design required drive motor, the known drive parameter of electric machine improves this automobile front axle device (as shown in Figure 5).

Claims (2)

1. one kind collects the automobile-used preceding Biodge device of single shaft driving that plug-in drive motor is an one, comprise first front axle housing (7), second front axle housing (71), inner shaft (10), one external semiaxis (4), a pair of universal-joint (15), a pair of differential side gear (5), a pair of differential pinion gear (6), inner shaft is from gear (3) and power input shaft (12), it is characterized in that, described single shaft drives automobile-used preceding Biodge device and also comprises drive motor (100), the drive motor rotor (9) of described drive motor (100) is installed on the described power input shaft (12), and described power input shaft (12) is hung on first front axle housing (7) outward and meshes from gear (3) with inner shaft.

2. a kind of automobile-used preceding Biodge device of single shaft driving that plug-in drive motor is an one that collects according to claim 1, it is characterized in that, the motor stator winding (8) of described drive motor (100) and electric machine iron core stator casing (13) by the welding or bolted at first front axle housing (7) outer wall.

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