CN1159173C - Differential 4 wheels independent driver for motor-driven vehicle - Google Patents
Differential 4 wheels independent driver for motor-driven vehicle Download PDFInfo
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- CN1159173C CN1159173C CNB02106315XA CN02106315A CN1159173C CN 1159173 C CN1159173 C CN 1159173C CN B02106315X A CNB02106315X A CN B02106315XA CN 02106315 A CN02106315 A CN 02106315A CN 1159173 C CN1159173 C CN 1159173C
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Abstract
The present invention belongs to the improvement of differential transmission devices of wheel type motor vehicles, particularly to a differential four-wheel independent driver for motor vehicles. Two adjacent half shaft gear sleeves of two differential mechanisms on the same axis are respectively matched and connected with the spline shafts of respective transmission shafts through splines. The spline shafts of the transmission shafts of the two differential mechanisms are connected together through engaged sleeves. Two opposite half shaft gear sleeves of the two differential mechanisms are respectively and movably matched with the respective transmission shafts. Gears are respectively arranged on the two opposite half shaft gear sleeves, and the output ends of the two transmission shafts are respectively connected with hub reductors through transmission devices. The respective large gear rings of the two differential mechanisms are respectively engaged with input gears. At least one of the two input gears on a gear shaft is movably matched with the gear shaft. The engaged sleeves which are arranged on the gear shaft control the on-off of the two input gears. The differential four-wheel independent driver for motor vehicles can overcome the slip of wheels, guarantee enough traction force and make vehicles run normally on complicated ground surfaces. Simultaneously, the steering capacity of the vehicles is not influenced.
Description
Technical field: the invention belongs to the improvement of wheeled motor vehicle differential driver, particularly differential 4 wheels independent driver for motor-driven vehicle.
Background technology: existing power actuated vehicle is installed with diff respectively on propons and back axle, when vehicle ' is on complex road surface, muddy ice and snow road, is easy to produce tyre skidding and can't cruising.When current, trailing wheel all had a tyre skidding, vehicle can't travel.And, tractive force will be descended significantly when if the tyre skidding of drive axle that is unkitted differential locking-device loses adhesive ability.Do not have the problem of propulsive effort when solving a tyre skidding, differential locking-device is housed usually.Because the restriction of structure only is equipped with differential locking-device in a diff usually therein.When using differential locking-device to prevent tyre skidding, the turning to property of vehicle just is affected.
Summary of the invention: the object of the present invention is to provide a kind of differential 4 wheels independent driver for motor-driven vehicle, can be used for various four-wheel drive motor vehicles, when vehicle ' is on various complicated grounds, muddy ice and snow road, prevent that vehicle wheels from skidding, guarantee normal vehicle operation, and when overcoming the vehicle slip phenomenon, can guarantee that vehicle has enough tractive forces, accomplish that simultaneously the turning to property of vehicle is unaffected.
The object of the present invention is achieved like this: a kind of differential 4 wheels independent driver for motor-driven vehicle, comprise diff, be arranged on two difies on the same axis, its two adjacent axle side gear axle sleeves cooperate connection by female splines with the castellated shaft of separately transmission shaft respectively, the castellated shaft of two diff transmission shafts is connected with each other by shift sleeve, opposing two the axle side gear axle sleeves in position respectively with axle sleeve separately in the transmission shaft running-fit installed, these two side gear shaft put gear are installed respectively, and connecting wheel reduction gear by driving device respectively, the mouth of two transmission shafts is connecting wheel reduction gear by driving device respectively, two difies bull gear separately is meshed with corresponding power input gear respectively, be installed in two power input gears on the gear wheel shaft have at least one with the gear wheel shaft running-fit, be installed in the clutch that shift sleeve on the castellated shaft of gear wheel shaft is being controlled two power input gears.
Connection between two diff transmission shafts of shift sleeve disengagement of the present invention, when another shift sleeve is thrown off power input gear with the gear wheel shaft running-fit, this moment, imput power drove the diff bull gear that matches by two 1 power input gears that are fixed on the gear wheel shaft, drive gear and this side transmission shaft on the axle side gear axle sleeve castellated shaft of this side, and respectively by driving device drive wheel reduction gear separately, make two output shaft runnings of a side, show as two-wheel drive this moment; When clutch slipper yoke ordered about two shift sleeves difference returns, imput power then drove two bull gears respectively by two power input gears, and power is imported in series connected two difies, shows as four wheel drive this moment.At this moment, the castellated shaft of two transmission shafts is linked together by shift sleeve, and the homonymy wheel is locked mutually.
When vehicle of the present invention being installed travelling on abominable road surface, when arbitrary tyre skidding, but can not fly to change, because the restriction of diff is arranged, two vehicle wheel rotational speeds that do not allow to drive differ bigger, and the power of driving engine is increased.At this moment, the slip wheel traction is very little, but still there is adhesive ability in other three wheels, promptly have power, is enough to order about travelling of vehicle and advances.When two tyre skiddings,, impel vehicle to advance if preceding two-wheeled or back two-wheeled then can drive back two-wheeled or preceding two-wheeled by diff.If when a front-wheel of homonymy and a rear wheels slip, because the present invention can accomplish that the homonymy vehicle locks mutually.Therefore, this situation more can not influence advancing of vehicle.If when a front-wheel on the diagonal line and a rear wheels slip, because the connection of shift sleeve, the vehicle single wheel is locked mutually, take turns when this sidecar and to skid when losing adhesive ability, its power is very little, and the power of slip wheel then can not increase, for two wheels on the same drive axle, by a differential controls, a tyre skidding loses adhesive ability, and then the power of another one slip wheel will increase to some extent.Thus, the power on these two wheels can make normal vehicle operation equally.When three wheels all skid when losing adhesive ability, can making not for the homonymy wheel of locking mutually, the power of slip wheel increases considerably, and, lose adhesive ability for the wheel on the same drive axle, also can make the power of slip wheel not amid a sharp increase, if it is suitable that technical parameter is selected, also can make normal vehicle operation.Therefore, as long as there is a wheel not run out of steam, just can make vehicle '.
The present invention has two difies to be composed in series, and power is by parallel output shaft output, and it is simple in structure, and comformability is strong.The carrying capacity of vehicle and the capability development of engine power have greatly been improved.This device turns round the vehicle homonymy simultaneously, links mutually, and does not influence the turning efficiency of vehicle.
Description of drawings: Fig. 1 is the structural representation of the embodiment of the invention 1, and Fig. 2 is the structural representation of the embodiment of the invention 2, and Fig. 3 is the structural representation of the embodiment of the invention 3.
The specific embodiment: the present invention is described in further detail below in conjunction with accompanying drawing, a kind of differential 4 wheels independent driver for motor-driven vehicle, as shown in Figure 1, comprise diff, be arranged on two difies 4 on the same axis, 10, two axle side gear axle sleeves 5 that it is adjacent, 9 respectively by female splines and transmission shaft 3 separately, 12 castellated shaft cooperates and connects, and the castellated shaft of two diff transmission shafts 3,12 is connected with each other by shift sleeve 8, the female splines that castellated shaft with transmission shaft 3,12 matches is being set on the axis hole of shift sleeve 8; The mouth of two transmission shafts 3,12 is connecting wheel reduction gear by driving device respectively, and driving device is that output shaft 19,14 direct connections that the mouth of two transmission shafts 3,12 prolongs respectively wheel reduction gear.Two axle side gear axle sleeves 2 that the position is opposing, 11 respectively with axle sleeve separately in transmission shaft 3,12 running-fits installed, these two axle side gear axle sleeves 3, gear 1 is installed respectively on 12,13, and connecting wheel reduction gear by driving device respectively, connecting device for respectively with gear 1,13 gear wheel shafts 18 that match, 15, connecting wheel reduction gear respectively by gear wheel shaft 18,15.Two difies 4,10 separately bull gears 17,16 are meshed with corresponding power input gear 6 respectively, be installed in a power input gear 6 and gear wheel shaft 20 running-fits on the gear wheel shaft 20, another power input gear 6 is fixedly mounted on the gear wheel shaft 20 by spline, be installed in shift sleeve 7 on the castellated shaft of gear wheel shaft 20 and controlling the clutch of power input gear 6, wherein with the power input gear 6 of gear wheel shaft 20 running-fits be by bearing installation on gear wheel shaft 20, this power input gear 6 is for having the compound gear of big miniature gears, shift sleeve 7 is for having the one way engagement cover of internally toothed annulus, and the internally toothed annulus of shift sleeve 7 is meshed with the miniature gears of compound gear.When the pinion of the internally toothed annulus of shift sleeve 7 and compound gear, gear wheel shaft 20 drives two power input gears 6 installing on it simultaneously, drive the bull gear 17,16 of two difies respectively, power is imported in series connected two difies realized four wheel drive.When shift sleeve 7 was thrown off with the little gear ring of compound gear, gear oil 20 drove another power input gear 6 and rotates, and realizes three wheel drive, when the connection between two diff transmission shafts 3,12 of shift sleeve 8 liquid disengagement, showed as two-wheel drive.As can be seen from Figure 1, power by the gear on opposing two the half cycle gear bush in transmission shaft 3,12 and position 1,13 parallel pass to corresponding wheel reduction gear drive wheels.
Claims (8)
1. differential 4 wheels independent driver for motor-driven vehicle, comprise diff, it is characterized in that: be arranged on two difies (4 on the same axis, 10), two axle side gear axle sleeves (5 that it is adjacent, 19) respectively by female splines and transmission shaft (3 separately, 12) castellated shaft cooperates and connects, two diff transmission shafts (3,12) castellated shaft interconnects by shift sleeve (8), two axle side gear axle sleeves (2 that the position is opposing, 11) respectively with axle sleeve separately in the transmission shaft (3 installed, 12) running-fit, these two axle side gear axle sleeves (2, gear (1 is installed respectively 11), 13), and connecting wheel reduction gear by driving device respectively, two transmission shafts (3,12) mouth is connecting wheel reduction gear by driving device respectively, two difies (4,10) bull gear (17,16) separately is meshed with corresponding power input gear (6) respectively, be installed in two power input gears (6) on the gear wheel shaft (20) have at least one with gear wheel shaft (20) running-fit, be installed in the clutch that shift sleeve (7) on the castellated shaft of gear wheel shaft (20) is being controlled two power input gears (6).
2. differential 4 wheels independent driver for motor-driven vehicle according to claim 1, it is characterized in that: a power input gear (6) and gear wheel shaft (20) running-fit, power input gear (6) is for having the compound gear of big miniature gears, the pinion of the internally toothed annulus of shift sleeve (7) and power input gear (6), another power input gear (6) is fixedly mounted on the gear wheel shaft (20) by spline.
3. differential 4 wheels independent driver for motor-driven vehicle according to claim 1 is characterized in that: the female splines that the castellated shaft with transmission shaft (3,12) matches is being set on the axis hole of shift sleeve (8).
4. differential 4 wheels independent driver for motor-driven vehicle according to claim 1 is characterized in that: the driving device of two transmission shafts (3,12) mouth is that output shaft (19, the 14) direct connection that two transmission shafts (3,12) mouth prolongs respectively wheel reduction gear.
5. differential 4 wheels independent driver for motor-driven vehicle according to claim 1 is characterized in that: the gear (1 that axle side gear axle sleeve (2,11) is installed, 13) connecting device is and gear (1,13) mating teeth wheel shaft (18,15), connecting wheel reduction gear respectively by gear wheel shaft (18,15).
6. differential 4 wheels independent driver for motor-driven vehicle according to claim 1, it is characterized in that: two power input gears (6) are installed in respectively on the gear wheel shaft (20) by bearing, are installed in the clutch that two shift sleeves (7) on the castellated shaft of gear wheel shaft (20) are being controlled two power input gears (6) respectively.
7. differential 4 wheels independent driver for motor-driven vehicle according to claim 1, it is characterized in that: two transmission shafts (3,12) driving device of mouth is two transmission shafts (3,12) mouth is installed with arc gear wheel (23,24), arc gear wheel (23 respectively, 24) respectively with corresponding arc gear wheel axle (25,26) gear is meshed, and is connecting corresponding wheel reduction gear respectively by arc gear wheel axle (25,26).
8. differential 4 wheels independent driver for motor-driven vehicle according to claim 1, it is characterized in that: at two axle side gear axle sleeves (2,11) gear of installing respectively on (1,13) be arc gear wheel, its driving device be two arc gear wheels respectively with arc gear wheel axle (21,22) gear is meshed, and is connecting corresponding wheel reduction gear respectively by arc gear wheel axle (21,22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02106315XA CN1159173C (en) | 2002-02-21 | 2002-02-21 | Differential 4 wheels independent driver for motor-driven vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB02106315XA CN1159173C (en) | 2002-02-21 | 2002-02-21 | Differential 4 wheels independent driver for motor-driven vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1378925A CN1378925A (en) | 2002-11-13 |
| CN1159173C true CN1159173C (en) | 2004-07-28 |
Family
ID=4740197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB02106315XA Expired - Fee Related CN1159173C (en) | 2002-02-21 | 2002-02-21 | Differential 4 wheels independent driver for motor-driven vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1159173C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514741B (en) * | 2009-02-11 | 2011-01-12 | 北京航空航天大学 | Double-shaft bilateral differential drive mechanism |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462586C (en) * | 2007-01-31 | 2009-02-18 | 北京交通大学 | Main speed reducing device having dynamic branch off structure |
| CN112032276B (en) * | 2019-06-03 | 2021-07-20 | 哈尔滨工业大学 | Six-shaft differential device based on gear transmission |
| CN110481313A (en) * | 2019-08-29 | 2019-11-22 | 杨小丽 | Differential speed of vehicle deceleration device, differential mechanism and vehicle for multi_motor control |
-
2002
- 2002-02-21 CN CNB02106315XA patent/CN1159173C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101514741B (en) * | 2009-02-11 | 2011-01-12 | 北京航空航天大学 | Double-shaft bilateral differential drive mechanism |
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| Publication number | Publication date |
|---|---|
| CN1378925A (en) | 2002-11-13 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040728 Termination date: 20100221 |