CN206012342U - Hollow axle is with the automatic three fast pure power-driven power system of pivoted arm - Google Patents

Abstract

The utility model discloses hollow axle is with the automatic three fast pure power-driven power system of pivoted arm, its motor respectively be input into star-like mechanism, be connected without the star-like mechanism of ring gear；It is input into star-like mechanism, is connected with pivoted arm without the star-like mechanism of ring gear, the star-like mechanism of double-planet；One end of pivoted arm is connected with casing, and the other end is connected with the star-like mechanism of double-planet；The star-like mechanism of double-planet is also connected with one-way clutch, I gear shift disks, III gear shift disks respectively；It is input into star-like mechanism to be connected with II gear shift disks；Pivoted arm is connected with output transition gear group；Output transition gear group is connected with differential mechanism；I gear shifts disk and I gear shifts mechanism, II gear shifts disk and II gear shifts mechanism, III gear shifts disk are also connected with III gear shifts mechanism.This utility model low speed climbing capacity is strong, electric system load impact is little, motor limit speed is low, operational efficiency is high, small volume and maintenance cost are low, it is achieved that multi gear is driven, and effectively improves transmission performance and whole machine quality.

Description

Hollow axle is with the automatic three fast pure power-driven power system of pivoted arm

Technical field

The present invention relates to automobile technical field, is more particularly to applied to the hollow axle of pure electric automobile with pivoted arm automatic three The pure power-driven power system of speed.

Background technology

Continuous with the continuous improvement of electric automobile max. speed, grade climbing performance, acceleration and course continuation mileage demand Lifted, and cost continuous decrease development trend, efficient multi gear automatic power drive system assembly becomes and solves the above problems Key link.It is born early stage in electric automobile, designer to have planned and drive vehicle using multi-speed transmission come stand-by motor, to Reduce motor torque, controller electric current, lift system efficiency, lifting vehicles dynamic performance, prolongation course continuation mileage, protection battery Bag, reduction system weight.However, due to international fuel price and supply problem, Development of Electric Vehicles receives restriction, electronic Transmission case of automobile has also been lain on the table a nearly century therewith.Over nearly 15 years, electric automobile compares power with low speed canine tooth wheel speed Based on assembly, vehicle max. speed is less than 50Km/h, with cruiser, golf cart, vista car, field vehicle, old generation Based on step car.Meanwhile, being affected by the thinking of development of low-speed electronic two wheeler and tricycle, electric automobile does not need the finger of change speed gear box Lead thinking of development and command nearly 12 years.Directly it is driven using motor, with power in 3-8Kw, rotating speed is in 3600rpm Based on brush direct current motor or low-voltage induction motor.

With birth and the fast lifting of electrokinetic cell performance of the long course continuation mileage electric automobile of the high speeds such as tesla, environment The fast development of the increasingly intensification and high-speed rail transportation of problem so that government and consumer are carried out to the development of electric automobile Redefine.More than 200Km/h, course continuation mileage have also exceeded 500Km to the max. speed of electric automobile, during hundred kilometers of acceleration Between reach below 5s.Power of motor has exceeded 100Kw, and motor speed have also exceeded 10000rpm.The period is by early stage electronic vapour The development inertia of car power assembly, most designer and policymaker think (such as to reach by lifting motor rotating speed and power 20000rpm and 200Kw) and do not adopt automatic gear-box.However, it is effectively sharp to ignore a very big optimization problem power With rate, cause system power huge, inefficiency, cost remain high, Difficulty.Most Automobile Enterprises are directed to electric automobile Performance fast lifting, it is understood that variable-speed dynamic assembly (automatic transmission) used for electric vehicle is requisite key core Part.And quickly variable-speed dynamic assembly used for electric vehicle is researched and developed in input manpower financial capacity design.

For the passenger car without specific use, when max. speed is less than 50Km/h, total using fixed speed ratio power Into disclosure satisfy that substantially requirement；When max. speed is less than 100Km/h but is higher than 80Km/h, basic using two fast power assemblies Disclosure satisfy that requirement；When max. speed is less than 150Km/h but is higher than 120Km/h, substantially can using three fast power assemblies Meet and require.For the commercial car of commercial use, optimal car load is obtained preferably with multi gear automatic gear shifting dynamic Energy.By adopting multi gear automatic gear shifting dynamic assembly, to reducing system electricity peak parameters, lift system dynamic property, efficiency, safety Property and reliability, reduce vibrating noise and cost, extend course continuation mileage etc. under equal electricity and there is important function.But, existing PWTN also there is fixed speed ratio transmission, low speed climbing capacity is weak, electric system load impact big, motor limit speed The problems such as height, low running efficiency of system, big volume and high maintenance cost.

Content of the invention

The technical problem to be solved in the present invention is to provide a kind of multiple gear ratios transmission suitable for pure electric automobile, low speed climbing Ability is strong, electric system load impact is little, motor limit speed is low, running efficiency of system is high, the sky that small volume and maintenance cost are low Heart axle is with the automatic three fast pure power-driven power system of pivoted arm.

In order to solve above-mentioned technical problem, the technical scheme is that：

Hollow axle with the automatic three fast pure power-driven power system of pivoted arm, including motor, be input into star-like mechanism, without ring gear star Type mechanism, the star-like mechanism of double-planet, pivoted arm, one-way clutch, I gear shift disks, II gear shift disks, III gear shift disks, I shelves are changed Gear mechanism, II gear shifts mechanism, III gear shifts mechanism, output transition gear group, differential mechanism, casing, the output shaft of the motor One end respectively be input into star-like mechanism, be connected without the star-like mechanism of ring gear；The star-like mechanism of the input, without the star-like machine of ring gear Structure is connected with pivoted arm；One end of the pivoted arm is connected with casing, and the other end is connected with the star-like mechanism of double-planet；The double-planet Star-like mechanism is also connected with one-way clutch, I gear shift disks, III gear shift disks respectively；

The output shaft of the motor be hollow axle, second sun gear by sun gear output shaft through motor output Axle is connected with the III gear shift disks being located on the outside of motor；

The star-like mechanism of the input is connected with II gear shift disks；In the star-like mechanism of the input and without the star-like mechanism of ring gear Between pivoted arm on the outside of with output transition gear group be connected；The output transition gear group is connected with differential mechanism, the I gear shifts Disk is also connected with I gear shifts mechanism；The II gear shifts disk is also connected with II gear shifts mechanism；The III shelves are changed Shelves disk is also connected with III gear shifts mechanism.

Further, the star-like mechanism of the input includes being input into sun gear, input planetary gear, planet wheel spindle, input planet Wheel bearing, II shelves ring gears, the input sun gear are connected with the output shaft of motor by spline pair, are input into sun gear and input Planetary gear external toothing connects；The input planetary gear is connected with planet wheel spindle by being input into planet wheel bearing；The input planet Wheel is connected with II shelves ring gear internal messings；The II shelves ring gear by II shelves ring gears connecting shaft be located at motor and casing it Between II gear shifts disk connection；The planet wheel spindle two ends are connected with pivoted arm respectively.

Further, described include the first sun gear, the first row star-wheel, planet wheel spindle without the star-like mechanism of ring gear, described First sun gear is connected with the first row star-wheel external toothing；The first row star-wheel is connected with planet wheel spindle；First sun gear It is connected with the output shaft of motor by spline pair.

Further, the star-like mechanism of the double-planet include the second sun gear, center row star-wheel, middle planetary wheel shaft, in Between planet wheel bearing, planet wheel spindle, the second planetary gear, I shelves ring gears, second sun gear and the external toothing of center row star-wheel connect Connect；The center row star-wheel is connected with the second planetary gear external toothing；The center row star-wheel is by middle planetary wheel bearing with Between planet wheel spindle connection；Second planetary gear is connected with planet wheel spindle by spline pair；Second planetary gear and I shelves internal tooths Circle internal messing connection；The middle planetary wheel shaft is connected with pivoted arm.

Further, the I shelves ring gear is connected with I gear shift disks by I shelves ring gears connecting shaft, and I shelves ring gears Connecting shaft is connected with the inner ring of one-way clutch at casing；The outer ring of the one-way clutch is connected with casing.

Further, the output transition gear group includes the first output gear, the second output gear, the 3rd output gear Wheel, the 4th output gear, jackshaft, first output gear are fixedly connected with pivoted arm or the first output gear and pivoted arm one Body formed formation；First output gear is connected with the second output gear external toothing；Second output gear is defeated with the 3rd Go out gear to be connected with jackshaft；The two ends of the jackshaft are connected with casing by bearing respectively；3rd output gear It is connected with the 4th output gear external toothing；4th output gear is connected with differential mechanism；The right outfan of the differential mechanism with Right output axle shaft connection, the left outfan of differential mechanism are connected with left output axle shaft.

Further, the motor, be input into star-like mechanism, without the star-like mechanism of ring gear, the star-like mechanism of double-planet, pivoted arm, One-way clutch, I gear shift disks, II gear shift disks, the concentric installation of III gear shifts disk；The output shaft of the motor is also pacified Load is connected to motor speed measuring sensor.

Further, the I gear shifts mechanism, II gear shifts mechanism, the structure all same of III gear shifts mechanism, wrap Executor, reservoir, gear shift master cylinder, high pressure gear shift liquid pipe, caliper retainer, gear shift piston, internal friction block, external friction block is included, The gear shift master cylinder is connected with executor, reservoir, high pressure gear shift liquid pipe respectively；The other end of the high pressure gear shift liquid pipe with change Shelves piston connection；The gear shift piston, external friction block are connected with caliper retainer；The gear shift piston is connected with internal friction block Connect；The internal friction block, external friction block are oppositely arranged；And the I gear shifts disk, II gear shift disks, III gear shift disks, wherein Any one is located in the middle of internal friction block, external friction block and gap coordinates.

Further, the I gear shifts mechanism, II gear shifts mechanism, III gear shifts mechanism any of which item also include low Pressure alarm, tachogenerator, the low pressure alarm are arranged on gear shift master cylinder high-voltage oil liquid outfan；The tachogenerator On caliper retainer.

Further, the I gear shifts disk, II gear shift disks, III gear shift disks, also add on the circumference of any of which item Work has the equally distributed tooth that tests the speed；Case is also equipped with the casing being connected with output transition gear group near the pivoted arm Body exports tachogenerator.

Using above-mentioned technical proposal, due to having used motor, the star-like mechanism of input, without the star-like mechanism of ring gear, double-planet Star-like mechanism, pivoted arm, one-way clutch, I gear shift disks, II gear shift disks, III gear shift disks, I gear shifts mechanism, II shelves are changed The technical characteristics such as gear mechanism, III gear shifts mechanism, output transition gear group, differential mechanism, casing；By the output shaft of motor one End respectively be input into star-like mechanism, be connected without the star-like mechanism of ring gear；Be input into star-like mechanism, without the star-like mechanism of ring gear, duplicate rows Star type mechanism is connected with pivoted arm；One end of pivoted arm is connected with casing, and the other end is connected with the star-like mechanism of double-planet；Double-planet Star-like mechanism is also connected with one-way clutch, I gear shift disks, III gear shift disks respectively；It is input into star-like mechanism and II gear shift disks Connection；Power is passed to differential mechanism by output transition gear group and realizes power output by pivoted arm.So that present configuration is compact, Transmission efficiency is higher, power-interruption free shifting, autoelectrinic parking, any gear switch, and gear shift responds rapid, smooth-going, reliability Property high, shifter is completely separable with internal drive structure, and heat that gearshift procedure is produced, dust, that microgranule does not interfere with transmission is interior The features such as portion, easy to maintenance, available linearization control, low cost.Efficiently solve existing pure electric vehicle power power train to deposit Low speed climbing capacity is weak, electric system load impact big, motor limit speed is high, running efficiency of system is low, volume is big and maintenance The technical problems such as cost height.The performance of pure electric vehicle power transmission system in prior art is effectively improved, pure electricity is improved The whole machine quality of electrical automobile.

Description of the drawings

Fig. 1 is invention mechanism principle figure.

Specific embodiment

Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described further.Here it should be noted that for The explanation of these embodiments is used to help understand the present invention, but does not constitute limitation of the invention.Additionally, disclosed below As long as the present invention each embodiment in involved technical characteristic do not constitute conflict each other and can just be mutually combined.

As shown in Figure 1, with the automatic three fast pure power-driven power system of pivoted arm, the output shaft 2 of its motor 1 is sky to hollow axle Heart axle.One end of output shaft 2 respectively by spline pair and the input sun gear 3 of the star-like mechanism of input, without the star-like mechanism of ring gear The first sun gear 4 connect；Motor speed measuring sensor 5 is installed in the other end connection of the output shaft 2 of motor 1.

The input sun gear 3 of input planetary mechanism is connected with input 6 external toothing of planetary gear；Input planetary gear 6 is by independent Input planet wheel bearing 7 be connected with planet wheel spindle 8；The two ends of planet wheel spindle 8 are connected with pivoted arm 9 by bearing respectively, are realized Axially and radially locate；Input planetary gear 6 is connected with 10 internal messing of II shelves ring gear.II shelves ring gear 10 passes through II shelves ring gears Connecting shaft 11 and the II gear shifts disk 13 between motor 1 and casing 12 connect.

The first sun gear 4 without the star-like mechanism of ring gear is connected with 14 external toothing of the first row star-wheel；The first row star-wheel 14 leads to Cross spline pair and planet wheel spindle 8.

Second sun gear 15 of the star-like mechanism of double-planet passes through the output shaft 2 of motor 1 by the second sun gear output shaft 16 It is connected with the III gear shifts disk 17 being located on the outside of motor 1.Second sun gear 15 is connected with 18 external toothing of center row star-wheel, middle Planetary gear 18 is connected with 19 external toothing of the second planetary gear；Center row star-wheel 18 is arranged on center row by independent spring bearing 20 On spider gear shaft 21；Middle planetary wheel shaft 21, is realized axially and radially locating by bearing on pivoted arm 9.Second planetary gear 19 are arranged on planet wheel spindle 8 by spline pair；Second planetary gear 19 is connected with 22 internal messing of I shelves ring gear；I shelves ring gear 22 Installation is connected with I shelves ring gears output shaft 23 by spline pair；I shelves ring gears output shaft 23 is being located at casing by spline pair It is connected with the inner ring of one-way clutch 24, the end of I shelves ring gears output shaft 23 is pacified with 12 right lateral I gear shifts disk 25 of casing Load connects.In being embodied as, the quantity of planet wheel spindle 8 is the integer more than or equal to two, and this case employs four in being embodied as Individual planet wheel spindle 8.One end of pivoted arm 9 is installed with casing 12 by bearing and is connected, and the other end is pacified with I shelves ring gear 22 by bearing Load connects.Install with casing 12 and be connected in the outer ring of one-way clutch 24.

The star-like mechanism of input is located at and the outside without the pivoted arm 9 between the star-like mechanism of ring gear passes through spline pair and first Output gear 26 connects, or is directly integrally machined to form the first output gear 26 on pivoted arm 9；In this case specific implementation process The first output gear 26 to be formed using being integrally machined on pivoted arm 9.27 external toothing of first output gear 26 and the second output gear Connection, the second output gear 27 and the 3rd output gear 28 are installed on jackshaft 29, and the two ends of jackshaft 29 pass through respectively Bearing on casing 12 is realized axially and radially locating.3rd output gear 28 and 30 external toothing of the 4th output gear connect Connect, the 4th output gear 30 is connected with differential mechanism 31 by spline pair.The right outfan of differential mechanism 31 connects right output axle shaft 32, The left outfan of differential mechanism 31 connects left output axle shaft 33.In being embodied as, motor 1, star-like mechanism, star-like without ring gear is input into Mechanism, the star-like mechanism of double-planet, pivoted arm 9, one-way clutch 24, I gear shifts disk 25, II gear shifts disk 13, III gear shifts disk 17 Concentric installation.On the casing 9 near pivoted arm 12 with output transition gear group link position, casing output is installed and is tested the speed Sensor.

I gear shifts mechanism, II gear shifts mechanism, the structure all same of III gear shifts mechanism.

In being embodied as, I gear shifts mechanism includes that I shelves executor 34, I shelves reservoir 35, I gear shifts master cylinder 36, I shelves are high Pressure gear shift liquid pipe 37, I shelves calipers retainer 38, I gear shifts piston 39, I shelves internal friction block 40, I shelves external frictions block 41.I shelves are changed Shelves master cylinder 36 is connected with I shelves executor 34, I shelves reservoir 35, I shelves high pressure gear shift liquid pipe 37 respectively；I shelves high pressure gear shift liquid pipe 37 The other end be connected with I gear shifts piston 39；I gear shifts piston 39, I shelves external frictions block 41 are installed in I shelves caliper retainers On 38.I gear shifts piston 39 is fixedly connected with I shelves internal friction block 40；Rub outside I gear shifts disk 25 and I shelves internal friction block 40, I shelves Cleaning block 41 is connected with gap.When I shelves executor 34 does not execute, when I gear shifts piston 39 is failure to actuate, I gear shifts disk 25 can Freely rotate between I shelves internal friction block 40, I shelves external frictions block 41.I is installed in 36 high-voltage oil liquid outfan of I gear shifts master cylinder Shelves low pressure alarm 42, is provided with I shelves tachogenerator 43 on I shelves calipers retainer 38, and I shelves tachogenerator 43 is just to I Gear shift disk 25, in order to improve the detection sensitivity and precision of I shelves tachogenerator 43, in the excircle of I gear shifts disk 25 On be equably provided with the tooth that tests the speed.Middle I shelves executor 34 is embodied as using motor, decelerator and screw mechanism, is passed through Motor connection reducer, is being connected with screw mechanism by decelerator, is driving I gear shifts master cylinder 36 to move by screw mechanism Make generation highly pressurised liquid, gradually being fixedly clamped to I gear shifts disk 25 is realized in action to drive I gear shifts piston 39.

II gear shifts mechanism includes II shelves executor 44, II shelves reservoir 45, II gear shifts master cylinder 46, II shelves high pressure gear shift Liquid pipe 47, II shelves calipers retainer 48, II gear shifts piston 49, II shelves internal friction block 50, II shelves external frictions block 51.II gear shifts Master cylinder 46 is connected with II shelves executor 44, II shelves reservoir 45, II shelves high pressure gear shift liquid pipe 47 respectively；II shelves high pressure gear shift liquid pipes 47 other end is connected with II gear shifts piston 49；II gear shifts piston 49, I shelves external frictions block 32 are installed in II shelves caliper guarantor Hold on frame 48.II gear shifts piston 49 is fixedly connected with II shelves internal friction block 50；II gear shifts disk 13 and II shelves internal friction block 50, II shelves external frictions block 51 is connected with gap.When II shelves executor 44 does not execute, II when II gear shifts piston 49 is failure to actuate Gear shift disk 13 can be freely rotated between II shelves internal friction block 50, II shelves external frictions block 51.In 46 high pressure of II gear shifts master cylinder II shelves low pressure alarm 52 installed by fluid outfan, on II shelves calipers retainer 48 is provided with II shelves tachogenerator 53, II Shelves tachogenerator 53 just to II gear shifts disk 13, in order to improve the detection sensitivity and precision of II shelves tachogenerator 53, Equably it is provided with, on the excircle of II gear shifts disk 13, the tooth that tests the speed.It is embodied as middle II shelves executor 44 electric using driving Machine, decelerator and screw mechanism, by motor connection reducer, are being connected with screw mechanism by decelerator, by spiral shell Rotation mechanism drives 46 action of II gear shifts master cylinder to make liquid produce high pressure, drives 49 action of II gear shifts piston, gradually clamps II Gear shift disk 13.

III gear shifts mechanism includes that III shelves executor 54, III shelves reservoir 55, III gear shifts master cylinder 56, III shelves are high Pressure gear shift liquid pipe 57, III shelves calipers retainer 58, III gear shifts piston 59, III shelves internal friction block 60, III shelves external friction blocks 61.III gear shifts master cylinder 56 is connected with III shelves executor 54, III shelves reservoir 55, III shelves high pressure gear shift liquid pipe 57 respectively； The other end of III shelves high pressure gear shift liquid pipe 57 is connected with III gear shifts piston 59；III gear shifts piston 59, III shelves external frictions Block 61 is installed on III shelves calipers retainer 58.III gear shifts piston 59 is fixedly connected with III shelves internal friction block 60；III Gear shift disk 17 is connected with gap with III shelves internal friction block 60, III shelves external frictions block 61.Do not hold in III shelves executor 54 During row, when III gear shifts piston 59 is failure to actuate, III gear shifts disk 17 can be in III shelves internal friction block 60, III shelves external frictions block 61 Between freely rotate.III shelves low pressure alarm 62 is installed in 56 high-voltage oil liquid outfan of III gear shifts master cylinder, in III shelves calipers III shelves tachogenerator 63 is installed on retainer 58, III shelves tachogenerator 63 just to III gear shifts disk 17, in order to improve The detection sensitivity and precision of III shelves tachogenerator 63, is equably provided with survey on the excircle of III gear shifts disk 17 Fast tooth.Middle III shelves executor 54 is embodied as using motor, decelerator and screw mechanism, is subtracted by motor connection Fast device, is being connected with screw mechanism by decelerator, is driving 56 action of III gear shifts master cylinder to produce liquid by screw mechanism High pressure, drives 59 action of III gear shifts piston, gradually clamps III gear shifts disk 17.

Above-mentioned technical proposal, the output shaft 2 of motor 1 is connected with the star-like mechanism of input, without the star-like mechanism of ring gear；Input Star-like mechanism, it is connected with pivoted arm 9 without the star-like mechanism of ring gear, the star-like mechanism of double-planet；Install with casing 12 one end of pivoted arm 9 Connection, the other end are installed with I shelves ring gear 22 and are connected；The star-like mechanism of double-planet respectively with one-way clutch 24, I gear shift disks 25th, III gear shifts disk 17 connects；It is input into star-like mechanism to be connected with II gear shifts disk 13；Pivoted arm is by power by exporting transition tooth Wheel group passes to differential mechanism and realizes power output.The present invention has compact conformation, and transmission efficiency is higher, power-interruption free shifting, Autoelectrinic parking, any gear switch, gear shift respond rapid, smooth-going, reliability height, and shifter is complete with internal drive structure The full heat that separately, gearshift procedure is produced, dust, microgranule do not interfere with transmission inside, and easy to maintenance, available linearization is controlled, cost Low feature.Efficiently solve existing pure electric vehicle power power train and have that low speed climbing capacity is weak, the punching of electric system load Hit the technical problems such as big, motor limit speed is high, running efficiency of system is low, volume is big and maintenance cost is high.

Main control strategies of the present invention and running include the following aspects：

I shelves mode of operations：(if no special instructions, just specifying motor herein when motor 1 is received when master controller is instructed It is considered as vehicle to rotation just marching forward traveling, motor is rotated backward and is considered as vehicle backing traveling), energy is obtained from accumulation power supply Positive power is passed to by input sun gear 3 by output shaft 2, input sun gear 3 occurs external toothing with input planetary gear 6 and closes System, drives input planetary gear 6 to rotate backward；Planet is arranged on using independent input planet wheel bearing 7 due to being input into planetary gear 6 On wheel shaft 8, therefore, the motion of input planetary gear 6 does not interfere with the first row star-wheel 14 and the second planetary gear 19.Due to line of input Star-wheel 6 and 10 internal messing of II shelves ring gear, therefore, II shelves ring gear 10 is rotated backward in the case where input planetary gear 6 drives.In II shelves Gear ring 10 is connected with II gear shifts disk 13 by II shelves ring gears connecting shaft 11, and then II gear shifts disk 13 is rotated backward.II shelves Between executor 44 keeps original state, i.e. II gear shifts disk 13 and II shelves internal friction block 50 and II shelves external frictions block 51 to keep certain Gap, II shelves ring gear 10 are input into the inoperative power gearing of star-like mechanism in free release conditions.Meanwhile, motor 1 is by defeated Positive power is passed to the first sun gear 4, the first sun gear 4 and 14 external toothing of the first row star-wheel by shaft 2, drives first planet Wheel 14 is rotated backward；The first row star-wheel 14 is fixedly and coaxially connected with the second planetary gear 19, the first row star-wheel 14 and the second planetary gear 19 are rotated by same rotational speed；Second planetary gear 19 is rotated backward by planetary gear 18 between external toothing transmission belt disorder of internal organs, middle planetary Wheel 18 has and the steering identical rotation trend of the first sun gear 4；Center row star-wheel 18 drives second too by external toothing transmission Sun wheel 15 is rotated backward, and the second sun gear 15 has and turns to contrary rotation trend with the first sun gear 4；Second planetary gear 19 leads to Crossing Inside gear drive drives 22 rotating in same direction of I shelves ring gear, I shelves ring gear 22 to turn to contrary turning with the first sun gear 4 Dynamic trend.As I shelves ring gear 22 is connected with I gear shifts disk 25 by I shelves ring gears output shaft 23, meanwhile, I shelves ring gears are defeated The inner ring of one-way clutch 24 is installed with shaft 23, and the outer ring of one-way clutch 24 is in casing 12.Unidirectional from Clutch 24 has reverse (turning to respect to the first sun gear 4) latch functions to I shelves ring gear 22；Now, I shelves executor 34, II Shelves executor 44 and III shelves executor 54 are in off working state, I gear shifts disk 25, II gear shifts disk 13 and III gear shifts Disk 17 is in release conditions；Planetary transmission will export power with I notch speeds ratio by pivoted arm 9.Pivoted arm 9 is by mounted thereto the One output gear 26 imparts power to the second output gear 27 by external toothing relation, and power is transmitted by the second output gear 27 To the 3rd output gear 28 being commonly mounted on jackshaft 48, power is transmitted by the 3rd output gear 28 by external toothing relation Impart power to hard-wired differential mechanism 31 to the 4th output gear 30, the 4th output gear 30, differential mechanism 31 is by power Left output axle shaft 33 is passed to by internal output differential bevel gear and right output axle shaft 32 drives vehicle to advance.The definition input sun The tooth number Z 0 of wheel 3, the tooth number Z 1 of input planetary gear 6, the tooth number Z 2 of II shelves ring gear 10, the tooth number Z 3, first of the first sun gear 4 The tooth number Z 4 of planetary gear 14, the tooth number Z 5 of the second planetary gear 19, the tooth number Z 6 of the second sun gear 15, the number of teeth of I shelves ring gear 22 Z7, the tooth number Z 8 of the first output gear 26, the tooth number Z 9 of the second output gear 27, the tooth number Z the 10, the 4th of the 3rd output gear 28 The tooth number Z 11 of output gear 30, then assembly complete I shelves Working moulds by fast ratio for (1+Z4*Z7/Z5*Z6) * Z9*Z11/Z8*Z10 Formula.

II shelves mode of operations：When master controller detects vehicle performance parameter and driving conditions reach II shelves given thresholds When, controller sends instruction to II shelves executor 44, and II shelves executor 44 promotes the hydraulic oil that II gear shifts master cylinder 46 will be produced Liquid enters II gear shifts piston 49 by II shelves high pressure gear shift liquid pipe 47, and II gear shifts piston 49 is pushed away in the presence of high-voltage oil liquid Dynamic II shelves internal friction block 50 and II shelves external frictions block 51 clamp braking II gear shifts disk 13, as II gear shifts disk 13 passes through II shelves Ring gear connecting shaft 11 is connected with II shelves ring gear 10, and then II shelves ring gear 10 is braked；I shelves executor 34 is in inoperative State, I gear shifts disk 25 are in release conditions；III shelves executor 54 is in off working state, and III gear shifts disk 17 is in and releases Put state；Positive power is passed to input sun gear 3 by output shaft 2, and input sun gear 3 is imparted power to defeated by external toothing Enter planetary gear 6；Input planetary gear 6 is by independent input planet wheel bearing 7 on planet wheel spindle 8；Now, due to II shelves Ring gear 10 is braked, and pivoted arm 9 is by with higher rotating speed rotating in same direction (relative input sun gear 3 is turned to) I shelves ring gear 22 There to be the rotation trend with 9 identical steering of pivoted arm according to velocity composite, as one-way clutch 24 has for 22 to I shelves ring gear Inversely (sun gear 3 is input into relatively to turn to) latch functions, therefore, positive freedom is rotated by I shelves ring gear 22, i.e. one-way clutch 24 pairs of I shelves ring gears 22 do not recur braking action；Variator will export power with II notch speeds ratio by pivoted arm 9；Pivoted arm 9 is by installing The first output gear 26 thereon imparts power to the second output gear 27, the second output gear 27 by external toothing relation The 3rd output gear 28 being commonly mounted on jackshaft 48 is imparted power to, the 3rd output gear 28 passes through external toothing relation The 4th output gear 30 is imparted power to, the 4th output gear 30 imparts power to hard-wired differential mechanism 31, differential Power is passed to left output axle shaft 33 by internal output differential bevel gear with device 31 and right output axle shaft 32 drives vehicle to advance.Fixed The tooth number Z 0 of justice input sun gear 3, the input tooth number Z 1 of planetary gear 6, the tooth number Z 2 of II shelves ring gear 10, the first sun gear 4 Tooth number Z 3, the tooth number Z 4 of the first row star-wheel 14, the tooth number Z 5 of the second planetary gear 19, the tooth number Z 6 of the second sun gear 15, I shelves internal tooths The tooth number Z 7 of circle 22, the tooth number Z 8 of the first output gear 26, the tooth number Z 9 of the second output gear 27, the tooth of the 3rd output gear 28 Z10, the tooth number Z 11 of the 4th output gear 30 is counted, then assembly completes II shelves works by fast ratio for (1+Z2/Z0) * Z9*Z11/Z8*Z10 Operation mode.

III shelves mode of operations：When master controller detects vehicle performance parameter and driving conditions reach III shelves given thresholds When, controller sends instruction to III shelves executor 54, and III shelves executor 54 promotes the high pressure that III gear shifts master cylinder 56 will be produced Fluid enters III gear shifts piston 59, work of the III gear shifts piston 59 in high-voltage oil liquid by III shelves high pressure gear shift liquid pipe 57 Braking III gear shifts disk 17 is clamped with lower promotion III shelves internal friction block 60 and III shelves external frictions block 61, due to III gear shift disks 17 are connected with the second sun gear 15 by the second sun gear output shaft 16, and then the second sun gear 15 is braked；I shelves executor 34 Off working state is in, I gear shifts disk 25 is in release conditions；II shelves executor 44 is in off working state, II gear shift disks 13 are in release conditions；Now, it is input into star-like mechanism and does not play any power transmission effect, I shelves ring gear 22 does not recur any yet Power transmission is acted on, and planetary transmission is only by the first sun gear 4, the first row star-wheel 14, the second sun gear 15, the second planetary gear 19th, center row star-wheel 18 and 9 speed change of pivoted arm transmission power；Now, as the second sun gear 15 is braked, pivoted arm 9 will be with higher Rotating speed rotating in same direction (turning to respect to the first sun gear 4), I shelves ring gear 22 will be with identical with pivoted arm 9 according to velocity composite The rotation trend of steering, as one-way clutch 24 has reverse (turning to respect to the first sun gear 4) lock for 22 to I shelves ring gear Only function, therefore, positive freedom is rotated by I shelves ring gear 22, i.e. I shelves ring gear 22 the is not recurred braking of one-way clutch 24 is made With；Planet machine variator will export power with III notch speeds ratio by pivoted arm 9；Pivoted arm 9 passes through the first output gear mounted thereto 26 impart power to the second output gear 27 by external toothing relation, and the second output gear 27 imparts power to common installation The 3rd output gear 28 on jackshaft 48, the 3rd output gear 28 impart power to the 4th output by external toothing relation Gear 30, the 4th output gear 30 impart power to hard-wired differential mechanism 31, and power is exported by differential mechanism 31 by inside Differential bevel gear passes to left output axle shaft 33 and right output axle shaft 32 drives vehicle to advance.The number of teeth of definition input sun gear 3 Z0, the tooth number Z 1 of input planetary gear 6, the tooth number Z 2 of II shelves ring gear 10, the tooth number Z 3 of the first sun gear 4, the first row star-wheel 14 Tooth number Z 4, the tooth number Z 5 of the second planetary gear 19, the tooth number Z 6 of the second sun gear 15, the tooth number Z 7 of I shelves ring gear 22, first is defeated Go out the tooth number Z 8 of gear 26, the tooth number Z 9 of the second output gear 27, the tooth number Z 10 of the 3rd output gear 28, the 4th output gear 30 tooth number Z 11, then assembly complete III shelves mode of operations by fast ratio for (1+Z4*Z6/Z3*Z5) * Z9*Z11/Z8*Z10.

Embodiments of the present invention are explained in detail above in association with accompanying drawing, but the invention is not restricted to described enforcement Mode.For a person skilled in the art, in the case of without departing from the principle of the invention and spirit, to these embodiments Multiple changes, modification, replacement and modification is carried out, is still fallen within protection scope of the present invention.

Claims (10)

1. hollow axle is with the automatic three fast pure power-driven power system of pivoted arm, it is characterised in that including motor, be input into star-like mechanism, Change without the star-like mechanism of ring gear, the star-like mechanism of double-planet, pivoted arm, one-way clutch, I gear shift disks, II gear shift disks, III shelves Shelves disk, I gear shifts mechanism, II gear shifts mechanism, III gear shifts mechanism, output transition gear group, differential mechanism, casing, the electricity One end of the output shaft of machine respectively be input into star-like mechanism, be connected without the star-like mechanism of ring gear；The star-like mechanism of the input, without interior The star-like mechanism of gear ring is connected with pivoted arm；One end of the pivoted arm is connected with casing, and the other end is connected with the star-like mechanism of double-planet； The star-like mechanism of the double-planet is also connected with one-way clutch, I gear shift disks, III gear shift disks respectively；

The output shaft of the motor is hollow axle, and the second sun gear of the star-like mechanism of the double-planet is worn by sun gear output shaft The output shaft for crossing motor is connected with the III gear shift disks being located on the outside of motor；

The star-like mechanism of the input is connected with II gear shift disks；In the star-like mechanism of the input and without between the star-like mechanism of ring gear Pivoted arm on the outside of with output transition gear group be connected；The output transition gear group is connected with differential mechanism, and the I gear shifts disk is also Mechanism is connected with I gear shifts；The II gear shifts disk is also connected with II gear shifts mechanism；The III gear shifts disk Also it is connected with III gear shifts mechanism.

2. hollow axle according to claim 1 is with the automatic three fast pure power-driven power system of pivoted arm, it is characterised in that described Being input into star-like mechanism includes being input into sun gear, input planetary gear, planet wheel spindle, input planet wheel bearing, II shelves ring gears, described Input sun gear is connected with the output shaft of motor by spline pair, and input sun gear is connected with input planetary gear external toothing；Described Input planetary gear is connected with planet wheel spindle by being input into planet wheel bearing；The input planetary gear is connected with II shelves ring gears internal messing Connect；II gear shift disk connection of the II shelves ring gear by II shelves ring gear connecting shafts and between motor and casing；Institute State planet wheel spindle two ends to be connected with pivoted arm respectively.

3. hollow axle according to claim 2 is with the automatic three fast pure power-driven power system of pivoted arm, it is characterised in that described Include the first sun gear, the first row star-wheel, planet wheel spindle, first sun gear and the first row star-wheel without the star-like mechanism of ring gear External toothing connects；The first row star-wheel is connected with planet wheel spindle；Output of first sun gear by spline pair and motor Axle connects.

4. hollow axle according to claim 3 is with the automatic three fast pure power-driven power system of pivoted arm, it is characterised in that described The star-like mechanism of double-planet include the second sun gear, center row star-wheel, middle planetary wheel shaft, middle planetary wheel bearing, planet wheel spindle, Second planetary gear, I shelves ring gears, second sun gear are connected with center row star-wheel external toothing；The center row star-wheel and Two planetary gear external toothings connect；The center row star-wheel is connected with middle planetary wheel shaft by middle planetary wheel bearing；Described Two planetary gears are connected with planet wheel spindle by spline pair；Second planetary gear is connected with I shelves ring gear internal messings；The centre Planet wheel spindle is connected with pivoted arm.

5. hollow axle according to claim 4 is with the automatic three fast pure power-driven power system of pivoted arm, it is characterised in that described I shelves ring gear is connected with I gear shift disks by I shelves ring gears connecting shaft, and I shelves ring gears connecting shaft at the casing with unidirectional from The inner ring connection of clutch；The outer ring of the one-way clutch is connected with casing.

6. the hollow axle according to any one of Claims 1 to 5 is with the automatic three fast pure power-driven power system of pivoted arm, its feature It is, the output transition gear group includes the first output gear, the second output gear, the 3rd output gear, the 4th output gear Wheel, jackshaft, first output gear is fixedly connected with pivoted arm or the first output gear is integrally formed to be formed with pivoted arm；Institute State the first output gear to be connected with the second output gear external toothing；Second output gear and the 3rd output gear with centre Axle connects；The two ends of the jackshaft are connected with casing by bearing respectively；3rd output gear and the 4th output gear External toothing connects；4th output gear is connected with differential mechanism；The right outfan of the differential mechanism is connected with right output axle shaft, The left outfan of differential mechanism is connected with left output axle shaft.

7. hollow axle according to claim 6 is with the automatic three fast pure power-driven power system of pivoted arm, it is characterised in that described Motor, be input into star-like mechanism, without the star-like mechanism of ring gear, the star-like mechanism of double-planet, pivoted arm, one-way clutch, I gear shift disks, II gear shift disks, the concentric installation of III gear shifts disk；The output shaft of the motor is also installed and is connected with motor speed measuring sensing Device.

8. hollow axle according to claim 7 is with the automatic three fast pure power-driven power system of pivoted arm, it is characterised in that described I gear shifts mechanism, II gear shifts mechanism, the structure all same of III gear shifts mechanism, include executor, reservoir, gear shift master Cylinder, high pressure gear shift liquid pipe, caliper retainer, gear shift piston, internal friction block, external friction block, the gear shift master cylinder respectively with execution Device, reservoir, the connection of high pressure gear shift liquid pipe；The other end of the high pressure gear shift liquid pipe is connected with gear shift piston；The gear shift is lived Plug, external friction block are connected with caliper retainer；The gear shift piston is connected with internal friction block；The internal friction block, external friction Block is oppositely arranged；And the I gear shifts disk, II gear shift disks, III gear shift disks, any of which item be located at internal friction block, rub outward In the middle of cleaning block and gap is connected.

9. hollow axle according to claim 8 is with the automatic three fast pure power-driven power system of pivoted arm, it is characterised in that described I gear shifts mechanism, II gear shifts mechanism, III gear shifts mechanism any of which item also include low pressure alarm, tachogenerator, The low pressure alarm is arranged on gear shift master cylinder high-voltage oil liquid outfan；The tachogenerator is on caliper retainer.

10. hollow axle according to claim 9 is with the automatic three fast pure power-driven power system of pivoted arm, it is characterised in that institute I gear shift disks, II gear shift disks, III gear shift disks is stated, equally distributed testing the speed on the circumference of any of which item, is also machined with Tooth；Casing output tachogenerator is also equipped with output transition gear group on the casing being connected near the pivoted arm.