CN201496486U - Eight-gear gearbox with auxiliary speed changer and power takeoff - Google Patents
Eight-gear gearbox with auxiliary speed changer and power takeoff Download PDFInfo
- Publication number
- CN201496486U CN201496486U CN2009201693736U CN200920169373U CN201496486U CN 201496486 U CN201496486 U CN 201496486U CN 2009201693736 U CN2009201693736 U CN 2009201693736U CN 200920169373 U CN200920169373 U CN 200920169373U CN 201496486 U CN201496486 U CN 201496486U
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- gear
- shaft
- output shaft
- power take
- auxiliary transmission
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Abstract
The utility model relates to an eight-gear gearbox with an auxiliary speed changer and a power takeoff. The eight-gear gearbox integrates an original main gearbox with four forward gears and a reverse gear with an independent auxiliary speed changer. The eight-gear gearbox comprises the main gearbox, an input shaft part, an output shaft part, an intermediate shaft part, a toothed wheel mechanism and a reverse shift fork mechanism and further comprises an auxiliary gearbox, wherein the output shaft part includes a two-shaft and an output shaft; the two-shaft is arranged inside the main gearbox; the output shaft is arranged inside the auxiliary gearbox; and a transition intermediate shaft and a power takeoff mechanism are further arranged inside the auxiliary gearbox. The eight-gear gearbox with the power takeoff has the characteristics of simple technology, compact structure, light weight, high transmission efficiency, strong bearing capacity and the like, and achieves the effect of eight forward gears and two reverse gears.
Description
Affiliated technical field
The utility model relates to a kind of automobile multistage gear-driving speed-variable device.
Background technique
Present more than six grades vehicle transmission device commonly used form by basic trnasmission, intermediate propeller shaft, auxiliary transmission, main drive shaft, back axle; If auxiliary transmission is not with power take-off, also may need to be provided with power take-off, technology, structure are complicated, and output power can not be fully used, vehicle bearing capacity and for the adaptability relative deficiency of complex road surface.
The model utility content
In order to solve the deficiency of existing vehicle transmission gear, the utility model provides a kind of band auxiliary transmission of eight gears and the fully synchronized transmission of power take-off, with substitute present more than six grades vehicle commonly used by basic trnasmission, intermediate propeller shaft, auxiliary transmission, main drive shaft again to the complicated transmission device of back axle; Compare with fourth gear main-gear box commonly used at present simultaneously, by the manipulation to the high low speed synchronizer of auxiliary transmission, simultaneously in conjunction with the existing fourth gear main-gear box of front end, this gearbox just can be realized eight forward gearss and two reverse gears; By increasing gear the output power of motor is fully used; Increase the bearing capacity of turning round the raising vehicle by the deceleration of two-stage external gear pump transmission device, strengthen adaptive capacity simultaneously complex road surface; Power take-off can also realize that vehicle freely cuts off power when being kept in motion.
The utility model is achieved through the following technical solutions, that is: left end main-gear box 24 removes the extension case, and protecgulum 20, bonnet 9, power take-off lid 21 are installed in proper order in main-gear box 24 right sides, in the space that front and rear covers forms, is provided with auxiliary transmission.Wherein two actuation gears 2 are installed on two 22 by flat key 1 pressing, two actuation gears 2 mesh with transition jack shaft driving gear 17, transition jack shaft driving gear 17 presses together by flat key 16 and transition jack shaft 19, shaftgear on the transition jack shaft 19 and 6 engagements of output shaft driving gear, output shaft driving gear 6 is enclosed within on the output shaft 8 by needle bearing 7 skies, realizes transmission of power.Between two 22 and output shaft 8, be furnished with high low speed synchronizer, high low speed synchromesh gear hub 3 connects as one by internal spline and output shaft 8, high low speed synchronizer gear sleeve 18 is slidingly matched by the external splines of internal spline and high low speed synchromesh gear hub 3 simultaneously, when high low speed synchronizer gear sleeve 18 is hung left when, power is by two 22, flat key 1, two actuation gears 2, high low speed synchronizer gear sleeve 18, high low speed synchromesh gear hub 3, output shaft 8 outputs, two 22 of this moments and output shaft 8 are connected as a single entity, in conjunction with shift control to front end main-gear box 24, can realize four shelves (5 that advance at utmost speed, 6,7,8 grades) and high speed reverse R2 shelves, the shelves that advance at utmost speed have kept former each grade of main-gear box rotating speed constant, be applicable to that good road surface or underloading travel, move backward when high speed reverse can be used for good road surface or underloading; When high low speed synchronizer gear sleeve 18 is hung to the right when, power is by two 22, flat key 1, two actuation gears 2, transition jack shaft driving gear 17, flat key 16, transition jack shaft 19, output shaft driving gear 6, high low speed synchronizer gear sleeve 18, high low speed synchromesh gear hub 3, output shaft 8 is realized power output, this moment is in conjunction with the shift control to front end main-gear box 24, can realize four low-forward range (1,2,3,4 grades) and low reverse gears R1 shelves, low-forward range is slowed down to increase by two-stage external gear pump transmission device and is turned round, improved the vehicle bearing capacity and to the adaptive capacity of complex road surface, reversing when low reverse gears can be used for ramp or heavy duty.Between bonnet 9 and power take-off lid 21, be provided with power take-off; When vehicle needs to use power take-off under motion state, because transition jack shaft 19 rotates all the time, handle the power take-off shift handle this moment and make power take-off slippage tooth cover 13 hang left, then transition jack shaft 19 right-hand member rectangular splines drive auxiliary drive shaft 14 by power take-off slippage tooth cover 13 and realize power output.As if not needing power output, power take-off slippage tooth cover 13 is taken to the right just can be cut off power; When vehicle under static state needed to use power take-off, neutral position in the middle of this moment high low speed synchronizer being placed was handled power take-off slippage tooth cover 13, and auxiliary drive shaft 14 can be realized power output or cut off.When vehicle under static state needed the power take-off outputting power, in conjunction with the shift control to front end main-gear box 24, auxiliary drive shaft 14 can be realized four kinds of clockwise rotating speeds and a kind of counterclockwise rotating speed.
Description of drawings
Fig. 1 is the utility model general structure schematic representation;
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 1, eight grades of gearboxes of the utility model band auxiliary transmission and power take-off are made of main-gear box 24, input shaft part, output shaft part, jack shaft part, gear mechanism and gearshift mechanism, and it also is provided with auxiliary transmission, and described output shaft part is made of two 22 and output shaft 8; Be arranged on for two 22 in the main-gear box 24, output shaft 8 is arranged in the auxiliary transmission, also is provided with transition jack shaft 19 and power take-off mechanism in auxiliary transmission.Specifically comprise with the bottom: 1. casing part: be made of main-gear box 24, protecgulum 20, bonnet 9, power take-off lid 21, its major function is to provide support and provide input, output interface and enclosed space and profile to the gearbox inner body; 2. train of gearings: two actuation gears 2, transition jack shaft driving gear 17, output shaft driving gear 6, its major function is to realize the transmission and the output of power; 3. bearing is: comprise deep groove ball bearing: 10,15; Needle bearing: 5,7,12; Deep groove ball bearing is installed between casing and the axle, needle bearing is installed on axle and gear or axle and axle between, its major function is to realize the support and the reduction of axle are rubbed; 4. sealing is: input shaft 23, output shaft 8, the sealing of transition jack shaft 19 usefulness backbone sealing rings, and the gearshift mechanism part seals with the O RunddichtringO, and the casing junction plane seals with sealer; 5. gearshift: be provided with high low speed synchronizer in the auxiliary transmission of this gearbox, major function is to realize eight forward gearss and two reverse gears; Be provided with power take-off slippage tooth cover 13 in the power take-off lid 21, be used to switch on or off power.
Gear is achieved in that
Eight grades of gearbox forward gears branches of band auxiliary transmission and power take-off advance at utmost speed shelves (5,6,7,8) and low-forward range (1,2,3,4), reverse gear is divided high speed reverse R2 and low reverse gears R1:
When advancing at utmost speed shelves (5,6,7,8), the high and low shift reverse shift fork of handling in the auxiliary transmission 4 that is inserted in high low speed synchronizer gear sleeve 18 grooves is hung left, simultaneously in conjunction with the gearshift of handling in the main-gear box 24, the power that can make shelves (5,6,7,8) each gear that advances at utmost speed is by input shaft 23, two spools 22, flat key 1, two actuation gears 2, high low speed synchronizer gear sleeve 18, high low speed synchromesh gear hub 3, output shaft 8 outputs, at this moment, input shaft 23, two spools 6,8 three of output shafts fuse; Kept each gear rotating speed of full synchronous mode main-gear box of former fourth gear position constant, be applicable to that good road surface or underloading travel.
Low-forward range (1,2,3,4) time, the high and low shift reverse shift fork of handling in the auxiliary transmission 4 that is inserted in high low speed synchronizer gear sleeve 18 grooves is hung to the right, in conjunction with the gearshift of handling in the main-gear box 24, can make low-forward range (1 simultaneously, 2,3,4) power of each gear is by input shaft 23, two 22, flat key 1, two actuation gears 2, transition jack shaft driving gear 17, flat key 16, shaftgear on the transition jack shaft 19, output shaft driving gear 6, output shaft driving gear 6 in conjunction with tooth, high low speed synchronizer gear sleeve 18, high low speed synchromesh gear hub 3, output shaft 8 outputs; Slow down to increase by two-stage external gear pump transmission device and turn round, improved the vehicle bearing capacity and the adaptive capacity of complex road surface
The reverse gear of eight grades of gearboxes of band auxiliary transmission and power take-off is divided high speed reverse R2 and low reverse gears R1:
During high speed reverse R2, the high and low shift reverse shift fork of handling in the auxiliary transmission 4 that is inserted in high low speed synchronizer gear sleeve 18 grooves is hung left, the reverse gear reverse shift forks of handling simultaneously in the main-gear box 24 are hung left into, and power is by input shaft 23, intermediate gear shaft, reverse drive gear, reverse gear driving gear, two spools 22, flat key 1, two actuation gears 2, high low speed synchronizer gear sleeve 18, high low speed synchromesh gear hub 3, output shaft 8 outputs;
During low reverse gears R1, the high and low shift reverse shift fork of handling in the auxiliary transmission 4 that is inserted in high low speed synchronizer gear sleeve 18 grooves is hung to the right, the reverse gear reverse shift forks of handling simultaneously in the main-gear box 24 are hung left into, and power is by shaftgear, output shaft driving gear 6, high low speed synchronizer gear sleeve 18, high low speed synchromesh gear hub 3, output shaft 8 outputs on input shaft 23, intermediate gear shaft, reverse drive gear, reverse gear driving gear, two spools 22, flat key 1, two actuation gears 2, transition jack shaft driving gear 17, flat key 16, the transition jack shaft 19;
The power taking mode of eight grades of gearboxes of band auxiliary transmission and power take-off is divided into static power taking and motion power taking:
During the vehicle movement power taking, because transition jack shaft 19 is in rotation status always, handling power take-off gearshift fork 11 this moment makes power take-off slippage tooth cover 13 hang left, then power passes to power take-off slippage tooth cover 13 by the rectangular spline of transition jack shaft 19 right-hand members, power take-off slippage tooth cover 13 passes to auxiliary drive shaft 14, realizes motion output.If do not need outputting power, take power take-off slippage tooth cover 13 to the right and can cut off motion.
During the stationary vehicle power taking, handle the high and low shift reverse shift fork 4 that is inserted in the auxiliary transmission in fast synchronizer gear sleeve 18 grooves of height, make its neutral position that mediates; In conjunction with handling power take-off gearshift fork 11, make power take-off slippage tooth cover 13 hang left, then power passes to power take-off slippage tooth cover 13 by the rectangular spline of transition jack shaft 19 right-hand members, and power take-off slippage tooth cover 13 passes to auxiliary drive shaft 14, realizes motion output; If do not need outputting power, handle power take-off gearshift fork 11 power take-off slippage tooth cover 13 is moved right, just can cut off power in motion state; This moment, in conjunction with the gearshift of handling in the main-gear box 24, auxiliary drive shaft 14 just can be realized five kinds of clockwise rotating speeds and a kind of counterclockwise rotating speed again.
Claims (5)
1. be with eight grades of gearboxes of auxiliary transmission and power take-off, mainly by main-gear box (24), input shaft part, output shaft part, jack shaft part, gear mechanism and gearshift mechanism constitute, it is characterized in that: it also is provided with auxiliary transmission, and described output shaft part is made of two (22) and output shaft (8); Two (22) are arranged in the main-gear box (24), and output shaft (8) is arranged in the auxiliary transmission, also are provided with transition jack shaft (19) and power take-off mechanism in auxiliary transmission; Input shaft (23), two (22), the coaxial setting of output shaft (8); Transition jack shaft (19) and the coaxial setting of auxiliary drive shaft (14); Two (22) are parallel with transition jack shaft (19); Two (22), transition jack shaft (19), output shaft (8) constitute two-stage external gear pump drive mechanism; Between two (22) and output shaft (8), be provided with high low speed synchronizer.
2. eight grades of gearboxes of band auxiliary transmission according to claim 1 and power take-off is characterized in that, two (22) right-hand members be equipped with two actuation gears (2) and with transition jack shaft driving gear (17) engagement that is installed on the transition jack shaft (19); Shaftgear (17) on the transition jack shaft (19) meshes with the output shaft driving gear (6) that sky is enclosed within on the output shaft (8).
3. eight grades of gearboxes of band auxiliary transmission according to claim 1 and power take-off, it is characterized in that described power take-off mechanism is made of the spline of cover of the slippage tooth on auxiliary drive shaft (14), auxiliary drive shaft (14) left end and transition jack shaft (19) right-hand member.
4. eight grades of gearboxes of band auxiliary transmission according to claim 1 and power take-off is characterized in that, main-gear box (24) adopts the full synchronous mode main-gear box of former fourth gear position.
5. eight grades of gearboxes of band auxiliary transmission according to claim 1 and power take-off is characterized in that, described high low speed synchronizer is made of high low speed synchronizer gear sleeve (18), high low speed synchromesh gear hub (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201693736U CN201496486U (en) | 2009-08-25 | 2009-08-25 | Eight-gear gearbox with auxiliary speed changer and power takeoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201693736U CN201496486U (en) | 2009-08-25 | 2009-08-25 | Eight-gear gearbox with auxiliary speed changer and power takeoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201496486U true CN201496486U (en) | 2010-06-02 |
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ID=42439694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201693736U Expired - Fee Related CN201496486U (en) | 2009-08-25 | 2009-08-25 | Eight-gear gearbox with auxiliary speed changer and power takeoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201496486U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864058B (en) * | 2015-05-29 | 2017-07-25 | 山东东汽农业装备有限公司 | A kind of 12+3 grades of gearbox |
| CN109664752A (en) * | 2019-01-28 | 2019-04-23 | 北京福田戴姆勒汽车有限公司 | Car transporter |
-
2009
- 2009-08-25 CN CN2009201693736U patent/CN201496486U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104864058B (en) * | 2015-05-29 | 2017-07-25 | 山东东汽农业装备有限公司 | A kind of 12+3 grades of gearbox |
| CN109664752A (en) * | 2019-01-28 | 2019-04-23 | 北京福田戴姆勒汽车有限公司 | Car transporter |
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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: 20100602 Termination date: 20120825 |