CN2673708Y - Front mounted tetra driving type differential driving device - Google Patents
Front mounted tetra driving type differential driving device Download PDFInfo
- Publication number
- CN2673708Y CN2673708Y CN 200320131565 CN200320131565U CN2673708Y CN 2673708 Y CN2673708 Y CN 2673708Y CN 200320131565 CN200320131565 CN 200320131565 CN 200320131565 U CN200320131565 U CN 200320131565U CN 2673708 Y CN2673708 Y CN 2673708Y
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- gear
- shaft
- wheel
- casing
- axle
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- Expired - Fee Related
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Abstract
The utility model discloses a front mounted tetra-driving type differential driving device, which is composed of a differential device and a power dispenser. The differential gear comprises a differential gear shell, a planet gear shaft and a planet gear which are installed on a small shaft hole in the shell, a left half shaft gear and a right half shaft gear which are meshed with the planet gear, etc. The right half shaft gear transmits power to the rear-wheel of one side of the vehicle and the front-wheel of the other side of the vehicle through a power output gear and a driving device. The left half shaft gear transmits power to the rear-wheel of the other side of the vehicle and the front-wheel of one side of the vehicle through another power output gear and another driving device. The rear mounted tetra-driving type differential driving device can implement the driving form of linking the vehicle wheels of the opposite angles and increase tractive force and through capacity. By adopting one differential device, the rear mounted tetra-driving type differential driving device has the advantages of simple structure, reliable performance, etc.
Description
Technical field
The utility model relates to a kind of power train for vehicle, relates in particular to a kind of differential driver of four wheel drive
Background technology
Two difies of the most of employing of existing 4Wdvehicle are to improve the through performance of vehicle under complex road conditions such as ice and snow, mire, marsh.This mode, one side has increased the oad of transmission device, has reduced the ground Clearance; Another wheel of wheel slip just loses propulsive effort on the other hand, has one to trackslip in the current rear drive sprocket, and vehicle also can't cruising.
Summary of the invention
The purpose of this utility model provides diff of a kind of employing, realize the type of drive of vehicular four wheels diagonal angle interlock, and be the strong preposition 4 wheel driven formula differential driver of carrying capacity of a kind of simple in structure, dependable performance, engine power degree of utilization height and vehicle.
A kind of preposition 4 wheel driven formula differential driver described in the utility model comprises diff and power distribution device and casing; It is characterized in that: described diff comprises: differential casing 2, left half axle gear 4, planetary wheel 5, right axle shaft gear 6, compensating-gear shaft 20; Described power distribution device comprises: power input shaft 1, transmission shaft 3, power output gear 7,12, gear 10,11,9,13, axle drive shaft 8,19,17,15, overriding clutch 14,22, flange 16,18.Wherein differential casing 2 is provided with front end axis hole and terminal axis hole, be provided with two to four little axis holes perpendicular to the diaxon axially bored line, power input shaft 1 is captiveed joint with the front end axis hole of differential casing 2, the two ends of differential casing 2 are bearing on the casing 21 by two bearings, compensating-gear shaft 20 is fixed on the little axis hole of differential casing 2, two to four planetary wheels 5 are installed, this planetary wheel 5 and 4,6 engagements of left and right half gear on the compensating-gear shaft 20; Left and right half gear 4,6 is taper, and the back side is provided with minor axis, preceding, the terminal axis hole sliding block joint of minor axis outside face and differential casing; Captive joint with the endoporus of left half axle gear 4 in described transmission shaft 3 the inners, the inner is bearing on right axle shaft gear 6 or left half axle gear or the differential casing 2, passes right axle shaft gear 6, and its outer end is bearing on the casing 21 by bearing; Captive joint with power output gear 12 in described transmission shaft 3 outer ends, 12 whiles and gear 10,11 constant-meshes of power output gear, described gear 10 is captiveed joint with the axle drive shaft 8 of vehicle one rear flank wheel, axle drive shaft 8 is bearing on the casing 21 by two bearings, axle drive shaft 19 is bearing on the casing 21 by two bearings, its front end captive joint one flange 18; Described right axle shaft gear 6 is captiveed joint with power output gear 7,7 whiles and gear 9,13 constant-meshes of power output gear, gear 9 is captiveed joint with the axle drive shaft 17 of vehicle opposite side trailing wheel, this axle drive shaft 17 is bearing on the casing 21 by two bearings, axle drive shaft 15 is bearing on the casing 21 by two bearings, its front end captive joint one flange 16.
Between the axle drive shaft 15 of gear 13 and vehicle one side front-wheel overriding clutch 14 is installed; Between the axle drive shaft 19 of gear 11 and vehicle opposite side front-wheel overriding clutch 22 is installed.
Above-described one of the connection modes such as key, gear, pin, profile or swelling that are fixedly connected as.
The utility model is compared with traditional differential driver, has following advantage and good effect:
1. adopt a diff to realize the driving of four wheels of vehicle, simple in structure, dependable performance.
2. on two front wheel driving shafts overriding clutch is installed, has avoided the generation of parasitic horsepower, vehicle can be run at high speed, and has improved efficient.
3. realized diagonal angle wheel interlock, two front-wheels or two trailing wheels and two tyre skiddings of homonymy have been avoided, the drawback that vehicle can not travel, and the probability that skidding appears in the diagonal angle wheel is relatively very little, basically realized the four-wheel individual drive, still had speed poor between the wheel of both sides, can differential again can be anti-skidding, do not influence the turning of vehicle, improved tractive force and carrying capacity.
Analyze according to this apparatus structure, be furnished with the situation that the vehicle of this device travels under complex road condition: when a tyre skidding, the power of other three wheels still exists, and can drive to advance.When two wheels lose adhesive ability, can't influence the power of two other wheel, can drive equally to advance.Another characteristics are: slip wheel can not fly to change, and is exactly because the effect of this diff.
Description of drawings
Fig. 1 is the cutaway view of a kind of preposition 4 wheel driven formula differential driver described in the utility model.
Fig. 2 is the left view of a kind of preposition 4 wheel driven formula differential driver described in the utility model.
The specific embodiment
Concrete structure of the present utility model can be referring to Fig. 1,2: this device is made up of diff and two cover power distribution devices and casing, and described diff comprises: differential casing 2, left half axle gear 4, planetary wheel 5, right axle shaft gear 6, compensating-gear shaft 20; Described power distribution device comprises: power input shaft 1, transmission shaft 3, power output gear 7,12, gear 10,11,9,13, axle drive shaft 8,19,17,15, overriding clutch 14,22, flange 16,18.The power input shaft 1 of diff is connected with differential casing 2 by the spline of its axle head.Differential casing 2 is bearing on two bearings, left half axle gear 4 links to each other with the power output gear of single wheel by the transmission shaft 3 of wounded in the battle key, transmission shaft 3 is bearing on right axle shaft gear 6 and the casing 21, and transmission shaft 3 left ends also can be bearing on left half axle gear 4 or the differential casing 2 by bearing.Captive joint with power output gear 12 in described transmission shaft 3 outsides.With power output gear 12 gears in meshs 10 and vehicle () axle drive shaft 8 of rear flank wheel captives joint, this axle drive shaft 8 is bearing on the casing 21 by two bearings, another is connected by the axle drive shaft 19 of overriding clutch 22 with the opposite side front-wheel of vehicle with 11 of power output gear 12 gears in meshs, this axle drive shaft 19 is bearing on the casing 21 by two bearings equally, its front end captive joint one flange 18.Described right axle shaft gear 6 is captiveed joint with power output gear 7.Captive joint with the axle drive shaft 17 of vehicle opposite side trailing wheel with power output gear 7 mating gear 9, another is connected by the axle drive shaft 15 of overriding clutch 14 with vehicle one side front-wheel with power output gear 7 mating gear 13, described axle drive shaft 15,17 is bearing on the casing 21 by two bearings respectively, front end captive joint one flange 16 of axle drive shaft 15.Described driving device is a prior art, has multiple mode to realize.
The purpose of this device is achieved in that power input shaft 1 passes to differential casing 2 with power, differential casing 2 drives compensating-gear shaft 20 rotations, planetary wheel 5 is along with differential housing 2 and compensating-gear shaft 20 rotate, and drive left and right half gear 4,6 rotates.Left half axle gear 4 is passed to power output gear 12 by transmission shaft 3 with power, and power output gear 12 is driven wheel 10 and gear 11 simultaneously, and gear 10 is passed to axle drive shaft 8 with power, through corresponding driving device and then pass to the rear flank wheel of vehicle, makes it to rotate.11 of gears are passed to axle drive shaft 19, flange 18 and corresponding driving device by overriding clutch 22 with power, power are passed to the opposite side front-wheel of vehicle.Right axle shaft gear 6 is passed to power output gear 7 with power, and power output gear 7 is driven wheel 9 and gear 13 simultaneously.The opposite side trailing wheel of vehicle passed to power by axle drive shaft 17 and corresponding driving device by gear 9,13 of gears are passed to axle drive shaft 15, flange 16 and corresponding driving device by overriding clutch 14 with power, power is passed to a side front-wheel of vehicle, make it to rotate.
Above-described one of the connection modes such as key, gear, pin, profile or swelling that are fixedly connected as.
Claims (3)
1. a preposition 4 wheel driven formula differential driver comprises diff and power distribution device and casing; It is characterized in that: described diff comprises: differential casing (2), left half axle gear (4), planetary wheel (5), right axle shaft gear (6), compensating-gear shaft (20); Described power distribution device comprises: power input shaft (1), transmission shaft (3), power output gear (7), (12), gear (10), (11), (9), (13), axle drive shaft (8), (19), (17), (15), overriding clutch (14), (22), flange (16), (18).Wherein differential casing (2) is provided with front end axis hole and terminal axis hole, be provided with two to four little axis holes perpendicular to the diaxon axially bored line, power input shaft (1) is captiveed joint with the front end axis hole of differential casing (2), differential casing (2) two ends are bearing on the casing (21) by two bearings, compensating-gear shaft (20) is fixed on the little axis hole of differential casing (2), compensating-gear shaft (20) is gone up two to four planetary wheels (5) is installed, this planetary wheel (5) and left and right half gear (4), (6) engagement; Left and right half gear (4), (6) are taper, and the back side is provided with minor axis, preceding, the terminal axis hole sliding block joint of minor axis outside face and differential casing; Described transmission shaft (3) is inner captives joint with left half axle gear (4) endoporus, and the inner is bearing on right axle shaft gear (6) or left half axle gear (4) or the differential casing (2), passes right axle shaft gear (6), and its outer end is bearing on the casing (21) by bearing; Captive joint with power output gear (12) in described transmission shaft (3) outer end, power output gear (12) while and gear (10), (11) constant-mesh, described gear (10) is captiveed joint with the axle drive shaft (8) of vehicle one rear flank wheel, axle drive shaft (8) is bearing on the casing (21) by two bearings, this axle drive shaft (19) is bearing on the casing (21) by two bearings, its front end captive joint one flange (18); Described right axle shaft gear (6) is captiveed joint with power output gear (7), power output gear (7) while and gear (9), (13) constant-mesh, gear (9) is captiveed joint with vehicle opposite side back-wheel drive axle (17), this axle drive shaft 17 is bearing on the casing (21) by two bearings, this axle drive shaft (15) is bearing on the casing (21) by two bearings, its front end captive joint one flange (16).
2. according to the described a kind of preposition 4 wheel driven formula differential driver of claim 1, it is characterized in that: between the axle drive shaft (15) of gear (13) and vehicle one side front-wheel overriding clutch (14) is installed; Between the axle drive shaft (19) of gear (11) and vehicle opposite side front-wheel overriding clutch (22) is installed.
3. according to the described a kind of preposition 4 wheel driven formula differential driver of claim 1, it is characterized in that: above-described one of the connection modes such as key, gear, pin, profile or swelling that are fixedly connected as.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320131565 CN2673708Y (en) | 2003-12-26 | 2003-12-26 | Front mounted tetra driving type differential driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320131565 CN2673708Y (en) | 2003-12-26 | 2003-12-26 | Front mounted tetra driving type differential driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2673708Y true CN2673708Y (en) | 2005-01-26 |
Family
ID=34477499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320131565 Expired - Fee Related CN2673708Y (en) | 2003-12-26 | 2003-12-26 | Front mounted tetra driving type differential driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2673708Y (en) |
-
2003
- 2003-12-26 CN CN 200320131565 patent/CN2673708Y/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050126 Termination date: 20101226 |