CN2673709Y - Rear mounted tetra driving type differential driving device - Google Patents
Rear mounted tetra driving type differential driving device Download PDFInfo
- Publication number
- CN2673709Y CN2673709Y CN 200320131566 CN200320131566U CN2673709Y CN 2673709 Y CN2673709 Y CN 2673709Y CN 200320131566 CN200320131566 CN 200320131566 CN 200320131566 U CN200320131566 U CN 200320131566U CN 2673709 Y CN2673709 Y CN 2673709Y
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- China
- Prior art keywords
- gear
- axle
- shaft
- wheel
- bearing
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- Expired - Fee Related
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Abstract
The utility model discloses a rear mounted tetra-driving type differential driving device, 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.Relate 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 rearmounted 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 rearmounted 4 wheel driven formula differential driver described in the utility model comprises diff and power distribution device and casing; Described diff comprises: left half axle gear 6, planetary wheel 4, right axle shaft gear 3, differential casing 2, compensating-gear shaft 5: described power distribution device comprises: power input shaft 1, power output gear 7, power output gear axle 13, gear 11,12,14,15, overriding clutch 10,21, axle drive shaft 9,19,16,17, flange 8,18; Differential casing 2 middle parts are spherical shell, are provided with front end axis hole and terminal axis hole, are provided with two to four little axis holes perpendicular to the diaxon axially bored line, and power input shaft 1 crosses differential assembly, and an end is an input end, and the other end is captiveed joint with differential gear box 2 terminal axis holes; The front end axis hole of differential casing 2 is supported on the left half axle gear 6, minor axis outside bearing fit with left half axle gear 6, end is bearing on the casing 20 by bearing, compensating-gear shaft 5 is fixed on the little axis hole of differential casing 2, two to four planetary wheels 4 are installed on the compensating-gear shaft 5, with a left side, right axle shaft gear 6,3 engagements, right axle shaft gear 3 is taper, the back side is provided with minor axis, the rear end axis hole sliding block joint of minor axis outside face and differential casing 2, right axle shaft gear 3 endoporus are captiveed joint with the terminal of power output gear axle 13, and the front end of power output gear axle 13 is bearing on the casing 20 by bearing, and the middle part is bearing in the endoporus of left half axle gear 6; Left half axle gear 6 is taper, and the back side is provided with minor axis, and the minor axis outside face is by on the bearing supporting box 20, and endoporus is bearing on the power output gear axle 13, captives joint with power output gear 7 in the minor axis outer end; Described power output gear axle 13 and gear 14,11 constant-meshes; Gear 14 is captiveed joint with the gear wheel shaft 17 of powered vehicle one rear flank wheel, gear wheel shaft 17 is bearing on the casing 20 by two bearings, gear 11 is connected with the axle drive shaft 9 of powered vehicle opposite side front-wheel by overriding clutch 10, axle drive shaft 9 is bearing on the casing 20 by two bearings, its front end captive joint one flange 8; Described 7 whiles and two gears, 15,12 constant-meshes of power output gear, gear 15 is captiveed joint with the gear wheel shaft 16 of powered vehicle opposite side trailing wheel, and gear wheel shaft 16 is bearing on the casing 20 by two bearings; 12 of gears are connected by the axle drive shaft 19 of overriding clutch 21 with powered vehicle one side front-wheel, and axle drive shaft 19 is bearing on the casing 20 by two bearings, its front end captive joint one flange 18.
Above-described captive joint can be connection modes such as key, gear, pin, profile or swelling.
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 been 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 realize the four-wheel individual drive, still had speed poor between the vehicle of both sides, can differential anti-skidding again, do not influence the turning of vehicle, improved tractive force and carrying capacity.
Description of drawings
Fig. 1 is the cutaway view of a kind of rearmounted 4 wheel driven formula differential driver described in the utility model;
Fig. 2 is the left view of a kind of rearmounted 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 accompanying drawing.This device is made up of diff and (two covers) power distribution device and casing.Described diff comprises: (power input shaft 1, power output gear 13 and axle) left half axle gear 6, planetary wheel 4, right axle shaft gear 3, differential casing 2, compensating-gear shaft 5; Described power distribution device comprises: power input shaft 1, power output gear 7, power output gear axle 13, gear 11,12,14,15, overriding clutch 10,21, axle drive shaft 9,19,16,17, flange 8,18 etc.Power input shaft 1 crosses differential assembly, and an end is an input end, and the other end is connected with differential gear box 2 splines; Differential casing 2 is supported on left half axle gear 6 and the bearing.Right axle shaft gear 3 is connected with single wheel power output gear axle 13 by spline, and power output gear axle 13 is bearing on casing 20 and the left half axle gear 6 by bearing.Left half axle gear 6 is bearing on casing 20 and the power output gear axle 13 by bearing, and is connected with power output gear 7 splines.Described power output gear axle 13 and gear 14,11 constant-meshes.Gear 14 is captiveed joint with the gear wheel shaft 17 of powered vehicle one rear flank wheel, gear wheel shaft 17 is bearing on the casing 20 by two bearings, gear 11 is connected with the axle drive shaft 9 of powered vehicle opposite side front-wheel by overriding clutch 10, axle drive shaft 9 is bearing on the casing 20 by two bearings, its front end captive joint one flange 8; Described 7 whiles and two gears, 15,12 constant-meshes of power output gear, gear 15 is captiveed joint with the gear wheel shaft 16 of powered vehicle opposite side trailing wheel, and gear wheel shaft 16 is bearing on the casing 20 by two bearings; 12 of gears are connected by the axle drive shaft 19 of overriding clutch with powered vehicle one side front-wheel, and axle drive shaft 19 is bearing on the casing 20 by two bearings, its front end captive joint one flange 18.
The purpose of this device is achieved in that the power input shaft 1 that crosses differential cross pin passes to differential casing 2 with power, differential casing 2 drives compensating-gear shaft 5 rotations, planetary wheel 4 is along with differential casing 2 and compensating-gear shaft 5 rotate, and the left and right half gear 6,3 of drive diff rotates.Right axle shaft gear 3 is passed to power output gear axle 13 with power, and power output gear axle 13 is driven gear 14 and gear 11 simultaneously, make it to rotate, wherein, and gear 14 driven gear axles 17, take turns a rear flank of power being passed to vehicle by corresponding driving device again.11 joints by overriding clutch 10 of gear are passed to axle drive shaft 9 with power, pass through flange 8 and corresponding driving device again, power are passed to the opposite side front-wheel of vehicle.Left half axle gear 6 is passed to power output gear 7 with power, power output gear 7 is driven gear 15 and gear 12 rotations simultaneously, 15 of gears pass through gear wheel shaft 16 and corresponding driving device, power is passed to the opposite side trailing wheel of vehicle, 12 joints by overriding clutch 21 of gear are passed to axle drive shaft 19, pass through flange 18 and corresponding driving device again, power is passed to a side front-wheel of vehicle.Described driving device is a prior art, has multiple mode to realize.
Above-described captive joint can be one of connection modes such as key, gear, pin, profile or swelling.
Claims (2)
1. a rearmounted 4 wheel driven formula differential driver comprises diff and power distribution device and casing; It is characterized in that: described diff comprises: left half axle gear (6), planetary wheel (4), right axle shaft gear (3), differential casing (2), compensating-gear shaft (5); Described power distribution device comprises: power input shaft 1, power output gear 7, power output gear axle 13, gear 11,12,14,15, overriding clutch 10,21, axle drive shaft 9,19,16,17, flange 8,18; Differential casing (2) middle part is a spherical shell, be 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) crosses differential assembly, one end is an input end, and the other end is captiveed joint with the terminal axis hole of differential gear box (2); The front end axis hole of differential casing (2) is supported on the left half axle gear (6), minor axis outside bearing fit with left half axle gear (6), end is bearing on the casing (20) by bearing, compensating-gear shaft (5) is fixed on the little axis hole of differential casing (2), compensating-gear shaft (4) is gone up two to four planetary wheels (5) is installed, with a left side, right axle shaft gear (6), (3) engagement, right axle shaft gear (3) is taper, the back side is provided with minor axis, the rear end axis hole sliding block joint of minor axis outside face and differential casing (2), the terminal captive joint of right axle shaft gear (3) endoporus and power output gear axle (13), the front end of power output gear axle (13) is bearing on the casing (20) by bearing; The middle part is bearing in the endoporus of left half axle gear 6; Left half axle gear (6) is taper, and the back side is provided with minor axis, and the minor axis outside face is by on the bearing supporting box (20), and endoporus is bearing on the power output gear axle (13), captives joint with power output gear (7) in the minor axis outer end; Described power output gear axle (13) and gear (14), (11) constant-mesh; Gear (14) is captiveed joint with the gear wheel shaft (17) of powered vehicle one rear flank wheel, gear wheel shaft (17) is bearing on the casing (20) by two bearings, gear (11) is connected with the axle drive shaft (9) of powered vehicle opposite side front-wheel by overriding clutch (10), axle drive shaft (9) is bearing on the casing (20) by two bearings, its front end captive joint one flange (8); Described power output gear (7) while and two gears (15), (12) constant-mesh, gear (15) is captiveed joint with the gear wheel shaft (16) of powered vehicle opposite side trailing wheel, and gear wheel shaft (16) is bearing on the casing (20) by two bearings; Gear (12) then is connected with the axle drive shaft (19) of powered vehicle one side front-wheel by overriding clutch (21), and axle drive shaft (19) is bearing on the casing (20) by two bearings, its front end captive joint one flange (18).
2. according to the described a kind of rearmounted 4 wheel driven formula differential driver of claim 1, it is characterized in that: described captive joint can be connection modes such as key, gear, pin, profile or swelling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320131566 CN2673709Y (en) | 2003-12-26 | 2003-12-26 | Rear mounted tetra driving type differential driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320131566 CN2673709Y (en) | 2003-12-26 | 2003-12-26 | Rear mounted tetra driving type differential driving device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2673709Y true CN2673709Y (en) | 2005-01-26 |
Family
ID=34477500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320131566 Expired - Fee Related CN2673709Y (en) | 2003-12-26 | 2003-12-26 | Rear mounted tetra driving type differential driving device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2673709Y (en) |
-
2003
- 2003-12-26 CN CN 200320131566 patent/CN2673709Y/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 |