CN201472161U - Automotive transfer case with locking differential mechanism - Google Patents
Automotive transfer case with locking differential mechanism Download PDFInfo
- Publication number
- CN201472161U CN201472161U CN2009201450999U CN200920145099U CN201472161U CN 201472161 U CN201472161 U CN 201472161U CN 2009201450999 U CN2009201450999 U CN 2009201450999U CN 200920145099 U CN200920145099 U CN 200920145099U CN 201472161 U CN201472161 U CN 201472161U
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- gear
- output shaft
- shaft
- diff
- input shaft
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Abstract
The utility model provides an automotive transfer case with a locking differential mechanism, wherein an input shaft is connected with a gear shift stop lever and a driving wheel of a gear shifting device through a link mechanism, the driving wheel is connected with a counter shaft, the gear of the counter shaft is connected with a front axle output shaft and a back axle output shaft through a differential mechanism, and the input shaft, the counter shaft, the front axle output shaft and the back axle output shaft are installed on the automotive transfer case. The automotive transfer case is further provided with a lubricating mechanism with an engine oil pump, the input shaft, the counter shaft and the front axle and the back axle output shafts which are both located on the same plane can form a stereo structure from the top down, and the stereo structure, the differential mechanism and the lubrication mechanism have convenient use and maintenance and excellent driving ability.
Description
Technical field
This novel practical is novel to be a kind of automobile auxiliary gear box with locking differential.
Background technology
The automobile auxiliary gear box is that gearbox output power distribution with automobile is on the vehicle bridge of front and back, for each wheel provides propulsive effort.Domestic traditional part-time case scarcely is with diff, and vehicle can not travel under the 4 wheel driven pattern under long-time, any road conditions, only can travel with the 4 wheel driven pattern short time, can't adapt to the requirement that special vehicle travels under various road conditions.And its structure is too numerous and diverse, makes, uses and keep in repair very inconvenience.
The utility model content
In order to overcome the deficiency of existing auxiliary gear box technology, it is a kind of simple in structure that the utility model provides, and convenient maintenance has the automobile auxiliary gear box of locking differential.
The utility model adopts following manner to realize:
Automobile auxiliary gear box with locking differential, the input shaft of its auxiliary gear box connects the speed change pin and the driving wheel of gear-changing device through interlinked mechanism, driving wheel connects tween drive shaft, countershaft-gear connects propons output shaft and back axle output shaft through diff, and input shaft, tween drive shaft, propons output shaft and back axle output shaft are installed on the automobile transfer casing.Also establish lubricating structure in the automobile auxiliary gear box with lubricating oil pump.Described input shaft, tween drive shaft and propons output shaft at grade and back axle output shaft constitute vertical structure successively from top to bottom.
The utility model also has following technical characterictic:
Described interlinked mechanism is that input shaft is fixed with in conjunction with circle, be shaped on spline in conjunction with the circle periphery, left and right sides adjacent be provided with on input shaft slide and be shaped on in conjunction with the driving tooth that encloses the identical spline of upper spline, be provided with and combine circle, driving tooth and mesh and to endwisely slip and with the combined cover of input shaft rotation, the combined cover periphery is shaped on a circumference allocating slot in conjunction with circle is outer.Driving lever end fixing on the speed change pin is inserted in the allocating slot.
Be provided with diff between described tween drive shaft and propons output shaft and the back axle output shaft, described diff is enclosed within outside the propons output shaft, and is assemblied on the automobile transfer casing with bearing arrangement.The driving gear that is enclosed within on the input shaft is formed the two-stage speed change with the driven gear that is fixed on the tween drive shaft, the bottom gear driven gear is engaged on the gear ring of diff shell, the diff shell slides over propons output shaft periphery, and gear ring and driven gear fixing on the diff shell mesh.The diff installed inside has center cross, and 4 conical gears are installed on the center cross, and conical gear meshes respectively and drives propons output shaft and back axle output shaft.
Described diff is equipped with lockable mechanism, is shaped on male splines in the diff front side, is processed with isostructural male splines on the adjacent propons output shaft shoulder of this male splines.A drive coupling also is set, and its internal operation becomes female splines, be engaged on the diff male splines, and with the male splines axial sliding fit of diff, circular groove of described drive coupling outside face processing.Be provided with the cylinder that is fixed on the automobile transfer casing in the change-speed box front portion in addition, piston leans on the cylinder front inner wall with spring, the cylinder rear portion is for connecting the cavity of compressed air line, and is fixed with shift fork on the piston siamesed piston rod, and shift fork matches with described circular groove.
Lubricating oil pump in the described lubricating structure, power connects tween drive shaft, the lubricating oil pump import is connected the shoe cream room of auxiliary gear box foot by pipeline, the lubricating oil pump outlet is connected the food tray with sealing input shaft device by pipeline, food tray communicates with the input shaft axial passage, passage not end opening at each lubricating point of input shaft.
The utility model has following advantage compared to existing technology: the utility model vertical structure, and simple being suitable for, easy to manufacture, convenient maintenance.The vehicle that assembles this diff is especially all having power-handling capability preferably on wet and slippery road surface and winter on the road surface under the various road conditions, low-grade accelerating ability is good, propulsive effort is not subjected to automobile axle load to distribute the influence that changes, riding stability on muddy and snowfield is good, sensivity to crosswind is little, each Tyte Wear is more even, be a kind of whenever, all spendable auxiliary gear box, i.e. AWD auxiliary gear box under any road conditions.Described automatically controlled, compressed-air controlled forced locking mechanism is installed on the diff front output shaft, when the phenomenon of trackslipping occurring, by closing closed differential locking-device, makes propulsive effort be transported to the big axletree of adhesive ability, vehicle just can start to walk to travel smoothly.Lubricating oil pump that establish auxiliary gear box inside and food tray can carry out positive lubrication to the auxiliary gear box top piece.
Description of drawings
Fig. 1 is the automobile auxiliary gear box overall structure scheme drawing that the utlity model has the locking performance;
Fig. 2 is the not constructional drawing during locking of the utility model diff;
Constructional drawing when Fig. 3 is the utility model diff locking.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.By the overall structure of Fig. 1 as seen, automobile auxiliary gear box with locking differential, the power of its auxiliary gear box is driven by input shaft 1, connect gear-changing device via interlinked mechanism, comprise speed change pin 2 and two-stage change-speed box in the gear-changing device, connect tween drive shaft 9 by driving gear 3, driving gear 5, the driven gear 21 on the tween drive shaft 9 connects propons output shaft 15 and back axle output shaft 11 through diff 10.Input shaft 1, tween drive shaft 9, propons output shaft 15 and back axle output shaft 11 are installed on the automobile transfer casing 13.Described input shaft 1, tween drive shaft 9 and propons output shaft 15 at grade and back axle output shaft 11 constitute a cover vertical structure successively from top to bottom, make the auxiliary gear box structure comparatively simple, assembling and convenient for maintaining.
Above-mentioned interlinked mechanism structure is to fix one in conjunction with circle 14 on input shaft 1, be shaped on spline in conjunction with circle 14 peripheries, be provided with the high speed driving gear 5 and the low speed driving tooth that can on input shaft 1, slide and be shaped on in conjunction with the identical spline of circle 14 upper splines in conjunction with circle 14 left and right sides adjacent regions.In conjunction with circle 14 outer be provided with can with combine circle 14, driving tooth engagement and can endwisely slip and with the combined cover 4 of input shaft 1 rotation, combined cover 4 peripheries are shaped on an annular allocating slot 20.Driving lever 22 ends of fixing on the speed change pin 2 in the change-speed box are inserted in the annular allocating slot 20, and the sway of combined cover 4 is handled allocating slots 20 by driving lever 22 and realized.
Described tween drive shaft 9 is fixed with high speed driving gear 5 and low-speed active gear 3 intermeshing high speed driven gear 7 and the low speed driven gears 21 with change-speed box, forms top gear and bottom gear two-stage speed change.Be provided with diff between tween drive shaft 9 and propons output shaft 15 and the back axle output shaft 11, diff is contained in the shell 18 of diff.Bottom gear driven gear 21 is engaged on the gear ring 23 of diff shell 18 on the tween drive shaft 9, and the output speed of bottom gear driven gear 21 is exactly the input speed of diff.Diff is installed in the diff shell 18, and 4 conical gears 24 mesh the axle side gear that drives propons output shaft 15 and back axle output shaft 11 respectively.Diff is common symmetrical conical gear structure, the center cross 10 of diff installed inside is fixed on the differential casing, 4 planetary wheels 24 mesh with the front and back output shaft gear on the center cross 10, thereby total system has realized the function of secondary speed change, power distribution and differential.
Described diff is equipped with lockable mechanism, is shaped on male splines in diff shell 18 front sides, is processed with isostructural male splines on adjacent propons output shaft 15 shoulders 25 of this male splines.A cylindrical shape drive coupling 16 also is set, and its internal operation becomes female splines, slide on the male splines of diff shell 18, also can with the male splines axial sliding fit on the output shaft shoulder 25, circular groove 26 of described drive coupling 16 outside faces processing.Be provided with the cylinder 17 that is fixed on the automobile transfer casing 13 in the change-speed box front portion in addition, cylinder 17 inner carriers lean on cylinder 17 front inner wall with spring 27, cylinder 17 middle parts are for connecting the cavity 28 of compressed air line, with be fixed with shift fork 19 on the piston siamesed piston rod, shift fork 19 matches with described circular groove 26, and shift fork 19 is controlled by the pressurized air in the cylinder 17.Fig. 2 and Fig. 3 show the not locking and the lockup state of lockable mechanism respectively.When not having pressurized air to enter, diff locking cylinder 17 pistons are in farthest right position under spring 27 effects, and shift fork 19 and coupler 16 all are in location right, and differential casing separates with front output shaft, the state that work for diff this moment.Pressurized air enters the locking cylinder when wanting locking differential, piston is pushed to the left side, drive shift fork 19 and coupler 16 and be moved to the left, coupler connects into an integral body with front output shaft 15 and differential casing 18, and front and back output shaft such as same rigid shaft rotate with identical rotating speed and propulsive effort.The a certain axle adhesive ability that the forced locking diff has overcome automobile is zero, and wheel produces and trackslips, and the phenomenon that vehicle can not travel can be travelled automobile with the 4 wheel driven pattern under various road conditions.
When diff is vertical installation, drive combined cover 4 and two pairs of gear pairs that fluid splashes and can not the sufficient lubrication top installs as only relying on the gear rotation, so the utility model is provided with positive lubrication mechanism.Lubricating oil pump 8 in the described lubricating structure and attached device thereof are seen shown in Figure 1, and the power of lubricating oil pump 8 is provided by tween drive shaft 9, and the structure of lubricating oil pump 8 can adopt prior art.Lubricating oil pump 8 imports are connected the shoe cream room 12 of auxiliary gear box foot by pipeline.Lubricating oil pump 8 outlets are connected the food tray 6 with sealing input shaft 1 device by pipeline, pressure oil enters into ring set on 6 li on input shaft 1 food tray, on the input shaft 1 that is surrounded by food tray 6 radial direction oil is arranged, radial direction oil and axial oil duct communicate, and pressure oil is assigned to each lubricating point by the oil outlet of axial oil duct.Wherein the those skilled in the art that are designed to of sealing, food tray 6 and passage are familiar with, and will not give unnecessary details.
Claims (5)
1. the automobile auxiliary gear box that has locking differential, the input shaft of auxiliary gear box (1) connects the speed change pin (2) and the driving gear (3,5) of gear-changing device through interlinked mechanism, driving gear (3,5) connects tween drive shaft (9), tween drive shaft (9) gear connects propons output shaft (15) and back axle output shaft (11) through diff, and input shaft (1), tween drive shaft (9), propons output shaft (15) and back axle output shaft (11) are installed on the automobile transfer casing (13); Also establish lubricating structure in the automobile auxiliary gear box, it is characterized in that input shaft (1), tween drive shaft (9) and propons output shaft (15) at grade and back axle output shaft (11) constitute vertical structure successively from top to bottom with lubricating oil pump (8).
2. the automobile auxiliary gear box with latch functions diff according to claim 1, it is characterized in that described interlinked mechanism is that input shaft (1) is fixed with in conjunction with circle (14), be shaped on spline in conjunction with circle (14) periphery, left and right sides adjacent is provided with and slides on input shaft (1) and be shaped on and driving tooth (3 in conjunction with circle (14) upper spline identical spline, 5), in conjunction with being provided with outside the circle (14) and combining circle (14), driving tooth (3,5) the engagement combined cover (4) that can endwisely slip and rotate with input shaft (1), combined cover (4) periphery is shaped on a circumference allocating slot (20), goes up fixing driving lever (22) end at speed change pin (2) and is inserted in the allocating slot (20).
3. the automobile auxiliary gear box with locking differential according to claim 1 is characterized in that being provided with diff between described tween drive shaft (9) and propons output shaft (15) and the back axle output shaft (11), and described diff is installed in the differential casing (18); The driving gear (3,5) that is enclosed within on the input shaft (1) is formed the two-stage speed change with the driven gear (7,21) that is fixed on the tween drive shaft (9), bottom gear driven gear (21) is engaged on the gear ring (23) of diff shell (18), diff shell (18) is gone up fixing gear ring (23) and driven gear (21) engagement, the diff installed inside has center cross (10), 4 conical gears (24) are installed on the center cross (10), conical gear (24) respectively with propons output shaft (15) gear and back axle output shaft (11) gear mesh.
4. the automobile auxiliary gear box with locking differential according to claim 3, it is characterized in that described diff is equipped with lockable mechanism, be shaped on male splines at diff shell (18), on adjacent propons output shaft (15) shoulder (25) of this male splines, be processed with isostructural male splines; A drive coupling (16) also is set, and its internal operation becomes female splines, be engaged on the differential gear box male splines, and with the male splines axial sliding fit of differential gear box (18), described drive coupling (a 16) outside face processing circular groove (26); Be provided with the cylinder (17) that is fixed on the automobile transfer casing (13) in addition in the change-speed box front portion, cylinder (17) inner carrier leans on cylinder (17) front inner wall with spring (27), cylinder (17) rear portion is for connecting the cavity (28) of compressed air line, with be fixed with shift fork (19) on the piston siamesed piston rod, shift fork (19) matches with described circular groove (26).
5. the automobile auxiliary gear box with locking differential according to claim 1, it is characterized in that the lubricating oil pump (8) in the described lubricating structure, power connects tween drive shaft (9), lubricating oil pump (8) import is connected the shoe cream room (12) of auxiliary gear box foot by pipeline, lubricating oil pump (8) outlet is connected the food tray (6) with sealing input shaft (1) device by pipeline, food tray (6) communicates with input shaft (1) axial passage, passage not end opening at each lubricating point of input shaft (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201450999U CN201472161U (en) | 2009-03-06 | 2009-03-06 | Automotive transfer case with locking differential mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201450999U CN201472161U (en) | 2009-03-06 | 2009-03-06 | Automotive transfer case with locking differential mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201472161U true CN201472161U (en) | 2010-05-19 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201450999U Expired - Lifetime CN201472161U (en) | 2009-03-06 | 2009-03-06 | Automotive transfer case with locking differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201472161U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343812A (en) * | 2010-07-26 | 2012-02-08 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN102343814A (en) * | 2010-07-26 | 2012-02-08 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN103104686A (en) * | 2011-11-14 | 2013-05-15 | 山东聚龙液压机械有限公司 | Drilling-machine transfer-case forcing centralization lubrication structure |
| CN103982632A (en) * | 2014-05-16 | 2014-08-13 | 徐工集团工程机械股份有限公司 | Transfer case for engineering vehicle and hinging dumper |
| CN108407612A (en) * | 2018-04-24 | 2018-08-17 | 徐州徐工矿山机械有限公司 | A kind of coaxial transfer driving mechanism of articulated truck |
| CN108443495A (en) * | 2018-05-18 | 2018-08-24 | 湖南农业大学 | A kind of four-wheel-drive transfer case of differential and differential locking |
| CN108458063A (en) * | 2018-05-18 | 2018-08-28 | 长沙桑铼特农业机械设备有限公司 | A kind of transfer case and tractor |
| CN112032276A (en) * | 2019-06-03 | 2020-12-04 | 哈尔滨工业大学 | Six-shaft differential device based on gear transmission |
| CN112413079A (en) * | 2020-11-04 | 2021-02-26 | 长沙桑铼特农业机械设备有限公司 | Transfer case and agricultural machine |
-
2009
- 2009-03-06 CN CN2009201450999U patent/CN201472161U/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102343814B (en) * | 2010-07-26 | 2014-06-18 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN102343814A (en) * | 2010-07-26 | 2012-02-08 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN102343812A (en) * | 2010-07-26 | 2012-02-08 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN102343812B (en) * | 2010-07-26 | 2014-02-12 | 光阳工业股份有限公司 | Power switching device for vehicle |
| CN103104686B (en) * | 2011-11-14 | 2015-07-08 | 山东聚龙液压机械有限公司 | Drilling-machine transfer-case forcing centralization lubrication structure |
| CN103104686A (en) * | 2011-11-14 | 2013-05-15 | 山东聚龙液压机械有限公司 | Drilling-machine transfer-case forcing centralization lubrication structure |
| CN103982632A (en) * | 2014-05-16 | 2014-08-13 | 徐工集团工程机械股份有限公司 | Transfer case for engineering vehicle and hinging dumper |
| CN103982632B (en) * | 2014-05-16 | 2016-06-01 | 徐工集团工程机械股份有限公司 | For transfer case and the hinged wagon tremie of engineering truck |
| CN108407612A (en) * | 2018-04-24 | 2018-08-17 | 徐州徐工矿山机械有限公司 | A kind of coaxial transfer driving mechanism of articulated truck |
| CN108443495A (en) * | 2018-05-18 | 2018-08-24 | 湖南农业大学 | A kind of four-wheel-drive transfer case of differential and differential locking |
| CN108458063A (en) * | 2018-05-18 | 2018-08-28 | 长沙桑铼特农业机械设备有限公司 | A kind of transfer case and tractor |
| CN108443495B (en) * | 2018-05-18 | 2024-04-05 | 湖南农业大学 | Differential and differential locking four-wheel drive transfer case |
| CN108458063B (en) * | 2018-05-18 | 2024-04-26 | 长沙桑铼特农业机械设备有限公司 | Transfer case and tractor |
| CN112032276A (en) * | 2019-06-03 | 2020-12-04 | 哈尔滨工业大学 | Six-shaft differential device based on gear transmission |
| CN112413079A (en) * | 2020-11-04 | 2021-02-26 | 长沙桑铼特农业机械设备有限公司 | Transfer case and agricultural machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Beijing CAMC Yanjing Auto Co., Ltd. Assignor: Yang Sen Contract record no.: 2011990000744 Denomination of utility model: Automotive transfer case with locking differential mechanism Granted publication date: 20100519 License type: Exclusive License Record date: 20110803 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100519 |