CN201841952U - Automobile transfer case with double cone synchronizer - Google Patents
Automobile transfer case with double cone synchronizer Download PDFInfo
- Publication number
- CN201841952U CN201841952U CN2010201327747U CN201020132774U CN201841952U CN 201841952 U CN201841952 U CN 201841952U CN 2010201327747 U CN2010201327747 U CN 2010201327747U CN 201020132774 U CN201020132774 U CN 201020132774U CN 201841952 U CN201841952 U CN 201841952U
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- drive shaft
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Abstract
The utility model relates to an automobile transfer case with a double cone synchronizer, which comprises a shell part, a driving shaft part, an intermediate shaft part, a planetary differential mechanism, a front axle drive shaft part, a middle-rear axle drive shaft part, a gear shifting mechanism, a lubrication mechanism and a locking mechanism, wherein the driving shaft part comprises a high-gear driving gear, a low-gear driving gear and the double cone synchronizer, the high-gear driving gear and the low-gear driving gear are arranged on a driving shaft, the double cone synchronizer is arranged between the high-gear driving gear and the low-gear driving gear, the high-gear driving gear and the low-gear driving gear are respectively meshed with a high-gear gear and a low-gear gear which are arranged on an intermediate shaft, the low-gear gear on the intermediate shaft is simultaneously meshed with an output gear, the output gear is fixed with a planetary carrier of the planetary differential mechanism, and the planetary carrier is connected with a front axle output shaft of the front axle drive shaft part through a sun gear and is connected with a middle-rear axle output shaft of the middle-rear axle drive shaft part through the sun gear. The utility model has the characteristics that: the automobile transfer case with the double cone synchronizer is convenient and flexible to operate, is advanced, has light weight, is reliable to use, can meet the requirements of various go-anywhere vehicles and special vehicles, has a wide application prospect and the like.
Description
Technical field
The utility model relates to a kind of automobile machinery speed change transfer driving device, it respectively drives sedan-chair with what the outputting power of Automotive transmission was distributed to automobile by a certain percentage, and can change the rotating speed and the moment of torsion of transmission system, make automobile can adapt to the variation of resistance to motion better, improve traffic potential in difficult highway section.
Background technology
The transfer case of automobile of present domestic cross-country car or extraordinary special vehicle mostly is gear shift of armstrong's patent handle type or pneumatic control gears shifting, it is mainly by housing and case lid, composition such as gear drive and gearshift, its gearshift mechanism adopts the engaging tooth shell type, promptly there is not synchronizer structure, so gear shift must be to finish under the state that stops, handle very inconveniently, thereby influenced the maneuvering performance and the maneuvering performance of automobile.And housing also mostly is cast iron, increased weight indicator.
Summary of the invention
The purpose of this utility model has been to overcome above-mentioned deficiency, and a kind of control comfort, flexible, advanced, in light weight is provided, and service-strong has the transfer case of automobile of double-cone synchronizer.
The purpose of this utility model is finished by following technical solution, it mainly is made up of housing parts, driving axle part, intermediate shaft part, planet differential mechanism, propons drive shaft sub-assembly and middle rear-axle drive spindle unit, gearshift, lubricating structure and lockable mechanism, and described driving axle part includes high-grade driving gear and low-grade driving gear and the double-cone synchronizer between above-mentioned high-grade driving gear and low-grade driving gear that is installed on the imput shaft; Described high-grade driving gear and low-grade driving gear mesh respectively with the high-grade gear and the low-grade gear that are installed on the tween drive shaft; Low-grade gear on the described tween drive shaft simultaneously again with the output gear engagement, the pinion carrier of this output gear and described planet differential mechanism is fixed, this pinion carrier links to each other with the propons output shaft of propons drive shaft sub-assembly through a sun wheel; This pinion carrier also links to each other with the middle back axle of middle rear-axle drive spindle unit by a gear ring.
The front and back housing that described housing parts is made by high strength aluminum alloy is formed, and adopts free-running fit between the high-grade driving gear on the imput shaft and low-grade driving gear and the imput shaft and film lubrication is arranged; Described double-cone synchronizer carries out high and low shift by the air operated control gearshift and switches, and is provided with top grade, neutral gear and low-grade three kinds of positions, has high and low shelves signal switch; Synchro toothholder and imput shaft are linked to be integral type, and imput shaft fork-shaped bead connects with imput shaft by invoice serration, and the imput shaft rear end is provided with lubricating structure, is connected with oil suction pipe between below oil pump case and the rear housing.
Described intermediate shaft part is made up of tween drive shaft, high-grade driven gear and low-grade driven gear, and described intermediate shaft part is supported on the housing of front and back by a pair of cylindrical roller bearing; Described low-grade driven gear is connected on the tween drive shaft by rectangular spline, and carries out axial restraint with back-up ring, and described high-grade driven gear and tween drive shaft are designed to integral form.
Described planet differential mechanism is five-element's star wheel structure, mainly by output gear, pinion carrier, gear ring, satellite gear, be designed to the single-piece sun wheel with the propons output shaft and form, described planet differential mechanism is supported on respectively on front case and the rear housing by tapered roller bearing; Described pinion carrier is fixed on the output gear.
Described propons drive shaft sub-assembly is made up of propons axle drive shaft, propons axle drive shaft bearing, differential lock, and the front end of propons drive shaft sub-assembly is supported on propons by cylindrical roller bearing and drives on the axle bearing seat; One fork-shaped bead connects with the propons axle drive shaft by invoice serration; One differential locking shift sleeve connects with the propons axle drive shaft by invoice serration, and described differential lock adopts air operated control, and has the locking signal switch.
The rear-axle drive spindle unit is made up of middle rear-axle drive axle, middle rear-axle drive axle bearing seat, fork-shaped bead in described, the front end of middle rear-axle drive spindle unit is supported on rear end on the pinion carrier pressing plate by cylindrical roller bearing, and is supported on the middle rear-axle drive axle bearing seat by ball-bearing casing and cylindrical roller bearing; Rear-axle drive axle front end connects with the diff gear ring by gear in described, and a fork-shaped bead connects with middle rear-axle drive axle by invoice serration.
Transfer case of automobile described in the utility model has adopted high strength aluminum alloy as case material, and the weight of part-time case is greatly descended, and has reduced the weight of car load, can reduce oil consumption, improves the economy of car load; High and low shift has adopted the double-cone synchronizer that is assemblied in input end to carry out gear shift simultaneously, need not stop, just can carry out high and low shift under the slow speed of revolution operating mode switches, input and output are synchronous fast, light, nothing is impacted, gear shift is steadily finished on noiselessness ground, improved driver comfort greatly, properties of product belong to leading domestic level, have reached international most advanced level; It has control comfort, flexibly, advanced, in light weight, use reliably, can satisfy the demand of various cross-country cars, extraordinary special vehicle, characteristics such as have a extensive future.
Description of drawings
Fig. 1 is a drive mechanism scheme drawing of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in detail: shown in Figure 1, the utility model is four shaft vertical gear drives, and input and output are equidirectional, and front and back output is coaxial.It mainly is made up of housing parts 1, driving axle part 3, intermediate shaft part 4, planet differential mechanism, propons drive shaft sub-assembly and middle rear-axle drive spindle unit, gearshift, lubricating structure and lockable mechanism etc.
Described driving axle part 3 includes high-grade driving gear and low-grade driving gear and the double-cone synchronizer between above-mentioned high-grade driving gear and low-grade driving gear that is installed on the imput shaft; Described high-grade driving gear and low-grade driving gear mesh respectively with the high-grade gear and the low-grade gear that are installed on the tween drive shaft; Low-grade gear on the described tween drive shaft simultaneously again with the output gear engagement, the pinion carrier of this output gear and described planet differential mechanism is fixed, this pinion carrier links to each other with the propons output shaft of propons drive shaft sub-assembly through a sun wheel; This pinion carrier also links to each other with the middle back axle of middle rear-axle drive spindle unit by a gear ring.
The front and back housing that described housing parts 1 is made by high strength aluminum alloy is formed, and adopts free-running fit between the high-grade driving gear on the imput shaft and low-grade driving gear and the imput shaft and film lubrication is arranged; Described double-cone synchronizer 2 carries out high and low shift by the air operated control gearshift and switches, and is provided with top grade, neutral gear and low-grade three kinds of positions, has high and low shelves signal switch; Synchro toothholder and imput shaft are linked to be integral type, and imput shaft fork-shaped bead connects with imput shaft by invoice serration, and the imput shaft rear end is provided with lubricating structure, is connected with oil suction pipe between below oil pump case and the rear housing.
Described intermediate shaft part 4 is made up of tween drive shaft, high-grade driven gear and low-grade driven gear, and described intermediate shaft part 4 is supported on the housing of front and back by a pair of cylindrical roller bearing; Described low-grade driven gear is connected on the tween drive shaft by rectangular spline, and carries out axial restraint with back-up ring, and described high-grade driven gear and tween drive shaft are designed to integral form.
Described planet differential mechanism is five-element's star wheel structure, mainly by output gear 5, pinion carrier 8, gear ring 6, satellite gear, be designed to single-piece sun wheel 7 with the propons output shaft and form, described planet differential mechanism is supported on respectively on front case and the rear housing by tapered roller bearing; Described pinion carrier 8 is fixed on the output gear 5.
Described propons drive shaft sub-assembly is made up of propons axle drive shaft, propons axle drive shaft bearing, differential lock, and the front end of propons drive shaft sub-assembly is supported on propons by cylindrical roller bearing and drives on the axle bearing seat; One fork-shaped bead connects with the propons axle drive shaft by invoice serration; One differential locking shift sleeve connects with the propons axle drive shaft by invoice serration, and described differential lock adopts air operated control, and has the locking signal switch.
The rear-axle drive spindle unit is made up of middle rear-axle drive axle, middle rear-axle drive axle bearing seat, fork-shaped bead in described, the front end of middle rear-axle drive spindle unit is supported on rear end on the pinion carrier pressing plate by cylindrical roller bearing, and is supported on the middle rear-axle drive axle bearing seat by ball-bearing casing and cylindrical roller bearing; Rear-axle drive axle front end connects with the diff gear ring by gear in described, and a fork-shaped bead connects with middle rear-axle drive axle by invoice serration.
Power of the present utility model is the input of fork-shaped bead in driving axle part 3, reach the high-grade gear (being designed to integral body) of tween drive shaft with tween drive shaft through high-grade driving gear, reach pinion carrier 8, divide two the tunnel with power through output gear 5 again by pinion carrier 8, one the tunnel reaches propons through sun wheel 7 (with propons output shaft design adult) with power exports, and another road is back axle output in gear ring 6 reaches power.When synchro 2 hangs over low gear position, power is by fork-shaped bead input in the driving axle part 3, reach the low and middle-grade driven gears of intermediate shaft part through low-grade driving gear, reach pinion carrier 8, divide two the tunnel with power through output gear 5 again by pinion carrier 8, one the tunnel reaches propons through sun wheel 7 (with propons output shaft design adult) with power exports, and another road is back axle output in gear ring 6 reaches power.When planet differential mechanism is in full-time differential state (when lockable mechanism does not have locking), the branch of preceding/middle back axle is turned round than being 1:2.214, and when planet differential mechanism is in lockup state (during the lockable mechanism locking), the branch of preceding/middle back axle is turned round than being 1:1.
The front and back housing that housing parts 1 is made by high strength aluminum alloy is formed, and adopts double end stud to connect mould assembling, in order to avoid because of mounting or dismounting damage screw, install with screw and ringbolt and adopt edge steel screw bushing structure to prevent that screw from damaging with screw.
Adopt free-running fit, film lubrication between imput shaft high and low shelves driving gear and the imput shaft; Synchro 2 carries out high and low shift by the air operated control gearshift and switches, and is provided with top grade, neutral gear and low-grade three kinds of positions, and has high and low shelves signal switch; Synchro toothholder and imput shaft are designed to integral type, and imput shaft fork-shaped bead connects with imput shaft by invoice serration, and the imput shaft rear end is provided with lubricating structure, is connected with oil suction pipe between below oil pump case and the rear housing.
Planet differential mechanism is five-element's star wheel structure, mainly is made up of output gear 5, pinion carrier 8, gear ring 6, satellite gear, sun wheel 7 parts such as (being designed to integral body with the propons output shaft), by tapered roller bearing be supported on respectively on front case and the rear housing.Pinion carrier 8 is fixed on the output gear 5.Planetary differential is by pinion carrier 8 imput powers, by sun wheel 7 and gear ring 6 respectively to propons and middle back axle outputting power.
The propons drive shaft sub-assembly is made up of parts such as propons axle drive shaft, propons axle drive shaft bearing, differential locks, and front end is supported on propons by cylindrical roller bearing and drives on the axle bearing seat.The fork-shaped bead connects with the propons axle drive shaft by invoice serration.Differential locking shift sleeve connects with the propons axle drive shaft by invoice serration, and differential lock adopts air operated control, and has the locking signal switch.
In the rear-axle drive spindle unit forms by parts such as middle rear-axle drive axle, middle rear-axle drive axle bearing seat, fork-shaped beads, front end is supported on the pinion carrier pressing plate rear end by cylindrical roller bearing and is supported on the middle rear-axle drive axle bearing seat by ball-bearing casing and cylindrical roller bearing.Middle rear-axle drive axle front end connects with the diff gear ring by gear, and the fork-shaped bead connects with middle rear-axle drive axle by invoice serration.
Claims (6)
1. transfer case of automobile that has double-cone synchronizer, it mainly is made up of housing parts (1), driving axle part (3), intermediate shaft part (4), planet differential mechanism, propons drive shaft sub-assembly and middle rear-axle drive spindle unit, gearshift, lubricating structure and lockable mechanism, it is characterized in that described driving axle part (3) includes high-grade driving gear and low-grade driving gear and the double-cone synchronizer between above-mentioned high-grade driving gear and low-grade driving gear that is installed on the imput shaft; Described high-grade driving gear and low-grade driving gear mesh respectively with the high-grade gear and the low-grade gear that are installed on the tween drive shaft; Low-grade gear on the described tween drive shaft simultaneously again with the output gear engagement, the pinion carrier of this output gear and described planet differential mechanism is fixed, this pinion carrier links to each other with the propons output shaft of propons drive shaft sub-assembly through a sun wheel; This pinion carrier also links to each other with the middle back axle of middle rear-axle drive spindle unit by a gear ring.
2. the transfer case of automobile that has double-cone synchronizer according to claim 1, it is characterized in that the front and back housing that described housing parts (1) is made by high strength aluminum alloy forms, employing free-running fit and film lubrication is arranged between the high-grade driving gear on the imput shaft and low-grade driving gear and the imput shaft; Described double-cone synchronizer (2) carries out high and low shift by the air operated control gearshift and switches, and is provided with top grade, neutral gear and low-grade three kinds of positions, has high and low shelves signal switch; Synchro toothholder and imput shaft are linked to be integral type, and imput shaft fork-shaped bead connects with imput shaft by invoice serration, and the imput shaft rear end is provided with lubricating structure, is connected with oil suction pipe between below oil pump case and the rear housing.
3. the transfer case of automobile that has double-cone synchronizer according to claim 1, it is characterized in that described intermediate shaft part (4) is made up of tween drive shaft, high-grade driven gear and low-grade driven gear, before and after described intermediate shaft part (4) is supported on by a pair of cylindrical roller bearing on the housing; Described low-grade driven gear is connected on the tween drive shaft by rectangular spline, and carries out axial restraint with back-up ring, and described high-grade driven gear and tween drive shaft are designed to integral form.
4. the transfer case of automobile that has double-cone synchronizer according to claim 1, it is characterized in that described planet differential mechanism is five-element's star wheel structure, mainly by output gear (5), pinion carrier (8), gear ring (6), satellite gear, be designed to single-piece sun wheel (7) with the propons output shaft and form, described planet differential mechanism is supported on respectively on front case and the rear housing by tapered roller bearing; Described pinion carrier (8) is fixed on the output gear (5).
5. the transfer case of automobile that has double-cone synchronizer according to claim 1, it is characterized in that described propons drive shaft sub-assembly is made up of propons axle drive shaft, propons axle drive shaft bearing, differential lock, the front end of propons drive shaft sub-assembly is supported on propons by cylindrical roller bearing and drives on the axle bearing seat; One fork-shaped bead connects with the propons axle drive shaft by invoice serration; One differential locking shift sleeve connects with the propons axle drive shaft by invoice serration, and described differential lock adopts air operated control, and has the locking signal switch.
6. the transfer case of automobile that has double-cone synchronizer according to claim 1, it is characterized in that described in the rear-axle drive spindle unit form by middle rear-axle drive axle, middle rear-axle drive axle bearing seat, fork-shaped bead, the front end of middle rear-axle drive spindle unit is supported on rear end on the pinion carrier pressing plate by cylindrical roller bearing, and is supported on the middle rear-axle drive axle bearing seat by ball-bearing casing and cylindrical roller bearing; Rear-axle drive axle front end connects with the diff gear ring by gear in described, and a fork-shaped bead connects with middle rear-axle drive axle by invoice serration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201327747U CN201841952U (en) | 2010-03-15 | 2010-03-15 | Automobile transfer case with double cone synchronizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201327747U CN201841952U (en) | 2010-03-15 | 2010-03-15 | Automobile transfer case with double cone synchronizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201841952U true CN201841952U (en) | 2011-05-25 |
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ID=44036854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201327747U Expired - Lifetime CN201841952U (en) | 2010-03-15 | 2010-03-15 | Automobile transfer case with double cone synchronizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201841952U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904270A (en) * | 2016-06-13 | 2016-08-31 | 齐重数控装备股份有限公司 | Double-gear-rack driving deep hole trepanning feed driving mechanism with differential gear |
| CN109664755A (en) * | 2018-12-28 | 2019-04-23 | 北汽福田汽车股份有限公司 | Transfer gear, the control system of transfer gear, transmission system and vehicle |
| CN114103630A (en) * | 2020-08-31 | 2022-03-01 | 蜂巢传动科技河北有限公司 | Vehicle transfer case, power assembly and vehicle |
| CN114294381A (en) * | 2021-12-17 | 2022-04-08 | 东风汽车零部件(集团)有限公司刃量具分公司 | Planetary reducer |
-
2010
- 2010-03-15 CN CN2010201327747U patent/CN201841952U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904270A (en) * | 2016-06-13 | 2016-08-31 | 齐重数控装备股份有限公司 | Double-gear-rack driving deep hole trepanning feed driving mechanism with differential gear |
| CN109664755A (en) * | 2018-12-28 | 2019-04-23 | 北汽福田汽车股份有限公司 | Transfer gear, the control system of transfer gear, transmission system and vehicle |
| CN114103630A (en) * | 2020-08-31 | 2022-03-01 | 蜂巢传动科技河北有限公司 | Vehicle transfer case, power assembly and vehicle |
| CN114294381A (en) * | 2021-12-17 | 2022-04-08 | 东风汽车零部件(集团)有限公司刃量具分公司 | Planetary reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110525 |