CN2644209Y - Chassis gearing mechanism of four-wheel driven car - Google Patents
Chassis gearing mechanism of four-wheel driven car Download PDFInfo
- Publication number
- CN2644209Y CN2644209Y CN 03277578 CN03277578U CN2644209Y CN 2644209 Y CN2644209 Y CN 2644209Y CN 03277578 CN03277578 CN 03277578 CN 03277578 U CN03277578 U CN 03277578U CN 2644209 Y CN2644209 Y CN 2644209Y
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- Prior art keywords
- differential
- wheel
- viscous coupling
- gear box
- sheet
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 230000008878 coupling Effects 0.000 claims abstract description 35
- 238000010168 coupling process Methods 0.000 claims abstract description 35
- 238000005859 coupling reaction Methods 0.000 claims abstract description 35
- 238000007789 sealing Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
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- Arrangement And Driving Of Transmission Devices (AREA)
- Retarders (AREA)
Abstract
The utility model discloses the chassis transmission mechanism of a four wheel drive vehicle, comprising a gear box, a differential gear, a viscous coupling, a front drive wheel and a rear drive wheel. The utility model is characterized in that the differential gear comprises a center differential, a front axle differential and a rear axle differential; an engine is transmission connected with the gear box; the gear box is transmission connected with the center differential; the center differential is transmission connected with the viscous coupling; the viscous coupling is respectively connected with the front axle differential and the rear axle differential; the front axle differential is transmission connected with the front drive wheel; the rear axle differential is transmission connected with the rear drive wheel. As the utility model is provided with the center differential which matches with the viscous coupling, the real time driving is realized; the dynamic distribution of the dynamic torque of the engine is finished and the maneuverability of the four wheel drive vehicle is improved; the speed differences of the drive wheels are absorbed jointly to avoid the tire slip and reduce the tire abrasion; here, the front axle and the rear axle are not rigidly connected and the front axle differential is matched to improve the steering qualities of the four wheel drive vehicle.
Description
Technical field
The utility model relates to 4-wheel driven car transmission system manufacturing technology field, relates to a kind of 4-wheel driven car chassis transmission device in particular.
Background technology
Existing cross-country 4-wheel driven car, when running car during on good road surface part-time case do not engage, engine torque is delivered directly to propons or rear-axle differential after passing to auxiliary gear box by change speed gear box, passing to left and right sides wheel again becomes two and drives; When running car under bad road or way less situation, part-time case engages, engine torque passes to auxiliary gear box by change speed gear box, is undertaken being transported to propons and rear-axle differential respectively after the moment of torsion secondary distribution by auxiliary gear box, passing to left and right sides wheel again becomes 4-wheel driven car.When using chassis, this 4-wheel driven car chassis transmission device, when travelling on uneven road surface or bend with whole wheel drive, drive wheels is because the distance difference of travelling, tire is trackslipped, cause wear on tyres, and will cause engine power consumption, and the Parts for Power Train wearing and tearing.
Summary of the invention
Technical scheme to be solved in the utility model provides a kind of 4-wheel driven car chassis transmission device, can reduce wear on tyres, improves the road-holding property of automobile and turning to property.
The utility model comprises change speed gear box, diff, viscous coupling, front driving wheel, rear drive sprocket, it is characterized in that: diff comprises interaxle differential, front axle differential, rear-axle differential, engine-drive connects change speed gear box, the change speed gear box interaxle differential that is in transmission connection, the interaxle differential viscous coupling that is in transmission connection, viscous coupling be in transmission connection respectively front axle differential, rear-axle differential, the front axle differential front driving wheel that is in transmission connection, the rear-axle differential rear drive sprocket that is in transmission connection.
Above-mentioned interaxle differential is arranged in the change speed gear box.Manufacturing process is simple like this.
Above-mentioned front axle differential and viscous coupling lump together and are placed in the auxiliary gear box.Manufacturing process is simple like this, and compact conformation has removed set of gears mechanism in the propons auxiliary gear box of former 4-wheel driven car, has alleviated the quality of car load.
Above-mentioned interaxle differential and rear-axle differential adopt anti-skid final drive.
Above-mentioned anti-skid final drive is made up of differential gear box, differential cover, planetary wheel, sun wheel, pad and retainer, the differential casing different planetary wheels of rotation direction that are in transmission connection, left-handed planetary wheel and dextrorotation planetary wheel mesh between any two, these two planet gear meshed are respectively with two sun wheel engagements that rotation direction is different, be positioned in the cavity of differential gear box and differential cover formation, pad places respectively and reaches between two sun wheels between two sun wheels and the differential casing, and the retainer that supports sun wheel places between two sun wheels.This diff can transmit big moment of torsion and have better antiskid capability.
Viscous coupling is the female splines sheet of alternately arranging by in the seal cavity that housing and interior hub constitute, male splines sheet and the wire spring that is clipped between the interior male splines sheet are formed, inject in the cavity and have the silicone oil of good physicochemical property as working medium, on the female splines sheet female splines is arranged, link to each other with the male splines on the interior hub, the male splines sheet has male splines, link to each other with the female splines on the housing, the female splines sheet, gap between the male splines sheet is guaranteed by the wire spring between the male splines sheet in being clipped in, process porose or groove separately on the interior male splines sheet, moment of torsion by change speed gear box output, a part drives the viscous coupling housing, a part drives hub in the viscous coupling, the viscous coupling housing connects rear axle propeller shaft again, interior hub connects front axle propeller shaft, shell is by the end cap capping of force fit, interior hub has the rubber seal sealing in two " X " cross sections, can relatively rotate between interior hub and the housing.
The utility model is owing to be provided with interaxle differential and cooperate viscous coupling, thereby realized Real Time Drive, finished the dynamic assignment of the dynamic torque of driving engine, improve the road-holding property of automobile, they absorb the speed discrepancy of drive wheels jointly, avoid tire to trackslip, reduce wear on tyres, at this moment be not rigidly connected between the bridge before and after, cooperate front axle differential again, improve the turning efficiency of automobile.
Description of drawings
Fig. 1 is the power diagram of circuit;
Fig. 2 is a front driving axle engine installation scheme drawing;
Fig. 3 is a rear driving axle engine installation scheme drawing;
Fig. 4 is the viscous coupling structural representation;
Fig. 5 is the interaxle differential structural representation.
Among the figure: 1, change speed gear box, 2, driving engine, 3, interaxle differential, 4, viscous coupling, 5, the accurate double sided gear of propons, 6, front axle differential, 7, auxiliary gear box, 8, rear-axle casing, 9, the back axle skew bevel gear, 10, rear-axle differential, 11, front driving wheel, 12, rear drive sprocket, 13, speed discrepancy, 301, the interaxle differential lid, 302, retainer, 303, the interaxle differential shell, 304, the dextrorotation planetary wheel, 305, left-handed planetary wheel, 306, intermediate washer, 307, left side sun wheel, 308, left side sun wheel pad, 309, right sun wheel, 310, right sun wheel pad, 311, right sun wheel ring washer, 401, the viscous coupling housing, 402, the viscous coupling lid, 403, the male splines sheet, 404, the female splines sheet, 405, wire spring, 406, interior hub, 407, oil sealing.
Below in conjunction with the drawings and specific embodiments the utility model is described further.
The specific embodiment
4-wheel driven car chassis transmission device comprises change speed gear box 1, diff, viscous coupling 4, front driving wheel 11, rear drive sprocket 12 among the embodiment, diff comprises interaxle differential 3, front axle differential 6, rear-axle differential 10, driving engine 2 change speed gear box 1 that is in transmission connection, change speed gear box 1 interaxle differential 3 that is in transmission connection, interaxle differential 3 viscous coupling 4 that is in transmission connection, viscous coupling 4 be in transmission connection respectively front axle differential 6, rear-axle differential 10, front axle differential 6 front driving wheel 11 that is in transmission connection, rear-axle differential 10 rear drive sprocket 12 that is in transmission connection.Above-mentioned interaxle differential 3 is arranged in the change speed gear box 1, and the accurate double sided gear 5 of propons, front axle differential 6 lump together with viscous coupling 4 and be placed in the auxiliary gear box 7.Above-mentioned interaxle differential 3 and rear-axle differential 10 adopt anti-skid final drive.Viscous coupling 4 cooperates the speed discrepancy 13 between the interaxle differential 3 adjusting front and back drive wheels.
Above-mentioned anti-skid final drive is by differential gear box 303, differential cover 301, planetary wheel, sun wheel, pad and retainer 302 are formed, the differential casing 303 different planetary wheels of rotation direction that are in transmission connection, left-handed planetary wheel 305 meshes between any two with dextrorotation planetary wheel 304, these two planet gear meshed are respectively with two left sun wheels 307 that rotation direction is different, right sun wheel 309 engagements, be positioned in the cavity of differential gear box 303 and differential cover 301 formation, intermediate washer 306 places between two sun wheels, left side sun wheel pad 308, right sun wheel pad 3010 place respectively and left and right sides sun differential casing 303 between, right sun wheel ring washer 3011 places between right sun wheel pad 3010 and the differential cover 301, and the retainer 302 that supports sun wheel places between two sun wheels.This diff can transmit big moment of torsion and have better antiskid capability.
Viscous coupling 4 is female splines sheets 404 of alternately arranging by in the seal cavity that housing 401 and interior hub 406 constitute, male splines sheet 403 and the wire spring 405 that is clipped between the interior male splines sheet are formed, inject in the cavity and have the silicone oil of good physicochemical property as working medium, on the female splines sheet 404 female splines is arranged, link to each other with the male splines on the interior hub 406, male splines sheet 403 has male splines, link to each other with the female splines on the housing 401, female splines sheet 404, the gap that the male splines sheet is 403 is guaranteed by the wire spring between the male splines sheet in being clipped in 405, process porose or groove separately on the interior male splines sheet, moment of torsion by interaxle differential 3 outputs, a part drives viscous coupling housing 401, a part drives hub 406 in the viscous coupling, viscous coupling housing 401 connects the gear ring of the accurate double sided gear 5 of propons again, the gear ring gear shaft of the accurate double sided gear 5 of propons, gear wheel shaft is connected with the gear wheel shaft of the accurate double sided gear 9 of back axle on being arranged on rear-axle casing 8 by a transmission shaft, the gear wheel shaft of the accurate double sided gear 9 of back axle drives gear ring, the gear ring rear-axle differential 10 that is in transmission connection.Hub 406 connects front axle differential again in the viscous coupling.Shell is by end cap 402 cappings of force fit, and interior hub has rubber seal oil sealing 407 sealings in two " X " cross sections, can relatively rotate between interior hub 406 and the housing 401.
Claims (6)
1, a kind of 4-wheel driven car chassis transmission device, comprise change speed gear box, diff, viscous coupling, front driving wheel, rear drive sprocket, it is characterized in that: diff comprises interaxle differential, front axle differential, rear-axle differential, engine-drive connects change speed gear box, the change speed gear box interaxle differential that is in transmission connection, the interaxle differential viscous coupling that is in transmission connection, viscous coupling be in transmission connection respectively front axle differential, rear-axle differential, the front axle differential front driving wheel that is in transmission connection, the rear-axle differential rear drive sprocket that is in transmission connection.
2, a kind of 4-wheel driven car according to claim 1 chassis transmission device, it is characterized in that: above-mentioned interaxle differential is arranged in the change speed gear box.
3, a kind of 4-wheel driven car according to claim 1 chassis transmission device, it is characterized in that: above-mentioned front axle differential and viscous coupling lump together and are placed in the auxiliary gear box.
4, a kind of 4-wheel driven car according to claim 1 chassis transmission device is characterized in that: above-mentioned interaxle differential and rear-axle differential adopt anti-skid final drive.
5, a kind of 4-wheel driven car according to claim 4 chassis transmission device, it is characterized in that: above-mentioned anti-skid final drive is by differential gear box, differential cover, planetary wheel, sun wheel, pad and retainer are formed, the differential casing different planetary wheels of rotation direction that are in transmission connection, left-handed planetary wheel and dextrorotation planetary wheel mesh between any two, these two planet gear meshed are respectively with two sun wheel engagements that rotation direction is different, be positioned in the cavity of differential gear box and differential cover formation, pad places respectively and reaches between two sun wheels between two sun wheels and the differential casing, and the retainer that supports sun wheel places between two sun wheels.
6, a kind of 4-wheel driven car according to claim 1 chassis transmission device, it is characterized in that: above-mentioned viscous coupling is the female splines sheet of alternately arranging by in the seal cavity that housing and interior hub constitute, male splines sheet and the wire spring that is clipped between the interior male splines sheet are formed, inject in the cavity and have the silicone oil of good physicochemical property as working medium, on the female splines sheet female splines is arranged, link to each other with the male splines on the interior hub, the male splines sheet has male splines, link to each other with the female splines on the housing, the female splines sheet, gap between the male splines sheet is guaranteed by the wire spring between the male splines sheet in being clipped in, process porose or groove separately on the interior male splines sheet, moment of torsion by interaxle differential output, a part drives the viscous coupling housing, a part drives hub in the viscous coupling, the viscous coupling housing connects rear-axle differential again, interior hub connects front axle differential, shell is by the end cap capping of force fit, and interior hub has the rubber seal sealing in two " X " cross sections, can relatively rotate between interior hub and the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277578 CN2644209Y (en) | 2003-08-09 | 2003-08-09 | Chassis gearing mechanism of four-wheel driven car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03277578 CN2644209Y (en) | 2003-08-09 | 2003-08-09 | Chassis gearing mechanism of four-wheel driven car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2644209Y true CN2644209Y (en) | 2004-09-29 |
Family
ID=34302886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03277578 Expired - Lifetime CN2644209Y (en) | 2003-08-09 | 2003-08-09 | Chassis gearing mechanism of four-wheel driven car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2644209Y (en) |
-
2003
- 2003-08-09 CN CN 03277578 patent/CN2644209Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SAIC CHERY AUTOMOBILE CO., LTD. Free format text: FORMER NAME OR ADDRESS: SAIC CHERY AUTOMOBILE CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, Wuhu Province: 241002 Patentee after: Saic Chery Automobile Co., Ltd. Address before: No. 8, Changchun Road, Wuhu economic and Technological Development Zone, Anhui, Wuhu Province: 241002 Patentee before: Qirui Automobile Co., Ltd., Shangqi Group |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130809 Granted publication date: 20040929 |