CN2517619Y - Four-wheel differential torque divider of motor-vehicle - Google Patents
Four-wheel differential torque divider of motor-vehicle Download PDFInfo
- Publication number
- CN2517619Y CN2517619Y CN 02206457 CN02206457U CN2517619Y CN 2517619 Y CN2517619 Y CN 2517619Y CN 02206457 CN02206457 CN 02206457 CN 02206457 U CN02206457 U CN 02206457U CN 2517619 Y CN2517619 Y CN 2517619Y
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- gear
- axle
- wheel
- shaft
- power input
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Abstract
The utility model belongs to the improvement of the differential speed driving device of a wheeled motor vehicle, in particular to a motor vehicle four-wheel differential speed respective motion device. Two adjacent half axle gear axle sleeves of two differentials arranged on the same axle are respectively matched and interlinked with the spline axle of each rotation axle through the spline, and the spline axles of two differential speed rotation axles are mutually connected through a gear sleeve. Two opposite half axle gear axle sleeves are respectively and movably matched with each rotation axle, and the two half axle gear axle sleeves are respectively provided with a gear, and the output ends of two rotation axles are respectively connected with a wheel-side reducer through the driving device. The large gear rings of the two differentials are respectively geared with an input gear, at least one of the two input gears arranged on the gear axle is movably matched with the gear axle, and the gear sleeve arranged on the gear axle controls the on and the off of two power input gears. The wheel skid can be overcome, the sufficient tractive force is ensured, and the vehicle can drive on the complex road, meanwhile, the turning of the vehicle is not affected.
Description
Technical field: the utility model 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 purpose of this utility model 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 purpose of this utility model is achieved in that 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 utility model, 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 utility model 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 utility model is to 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 utility model 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 utility model embodiment 1, and Fig. 2 is the structural representation of the utility model embodiment 2, and Fig. 3 is the structural representation of the utility model embodiment 3.
The specific embodiment: the utility model 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 wheel shaft 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 internally toothed annulus of shift sleeve (7) and the pinion of 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 (21,220 are connecting corresponding wheel reduction gear respectively by the arc gear wheel axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02206457 CN2517619Y (en) | 2002-02-21 | 2002-02-21 | Four-wheel differential torque divider of motor-vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02206457 CN2517619Y (en) | 2002-02-21 | 2002-02-21 | Four-wheel differential torque divider of motor-vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2517619Y true CN2517619Y (en) | 2002-10-23 |
Family
ID=33687799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02206457 Expired - Fee Related CN2517619Y (en) | 2002-02-21 | 2002-02-21 | Four-wheel differential torque divider of motor-vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2517619Y (en) |
-
2002
- 2002-02-21 CN CN 02206457 patent/CN2517619Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |