CN202326941U - Automobile transmission - Google Patents
Automobile transmission Download PDFInfo
- Publication number
- CN202326941U CN202326941U CN2011204208034U CN201120420803U CN202326941U CN 202326941 U CN202326941 U CN 202326941U CN 2011204208034 U CN2011204208034 U CN 2011204208034U CN 201120420803 U CN201120420803 U CN 201120420803U CN 202326941 U CN202326941 U CN 202326941U
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- China
- Prior art keywords
- odd
- shaft
- gear
- main shaft
- main
- Prior art date
- 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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- Gear-Shifting Mechanisms (AREA)
Abstract
The utility model relates to an automobile transmission which is of a main and assistant box double-middle-shaft 12-gear automobile transmission. A central distance of the transmission is less than or equal to 106mm. An input torque of the transmission is more than 650Nm. The utility model relates to a double-middle-shaft transmission with wider speed ratio scope and smaller speed ratio range. The automobile transmission can be used for further reducing the emission of related vehicles such as middle-size trucks, agricultural vehicles and the like, and causing the related vehicles to be more oil-saving, more economical and easier in arranging.
Description
Technical field
The utility model belongs to the speed changer technical field, especially a kind of 12 grades of automotive transmissions.
Background technique
The input torque of producing at present both at home and abroad greater than its centre distance of twin countershaft transmission of 650Nm all greater than 105mm.The twin countershaft transmission that central moment is less receives the influence of axial dimension, and gear is in the majority with 6 grades, 8 grades, and arranges relatively complicated.Along with the increasingly stringent of rise of the oil price and emission standard, bigger, the differential littler many gears speed changer of ratio coverage will be more suitable for fields such as middle card, agricultural vehicle.
The model utility content
The purpose of the utility model is to overcome the shortcoming of above-mentioned existing technology, and a kind of automotive transmission is provided, and this speed changer has been adjusted central moment, makes centre distance littler, makes that axial dimension is little and moment of torsion is bigger greater than 650Nm, ratio coverage.
The purpose of the utility model solves through following technological scheme:
This automotive transmission is made up of six grades of basic trnasmission main tanks and two grades of auxiliary transmission odd-sides; Wherein main tank includes input shaft, input shaft actuation gear, main shaft and six shifting gears; Between one grade and intermediate gear on the main shaft, between third gear and the fourth gear, be respectively equipped with back taper tooth sliding sleeve or synchronizer between five grades and six grades; Also be arranged with the reverse gear sliding sleeve on the main shaft; There are two jack shafts the main shaft both sides, and said jack shaft is provided with jack shaft driving gear and jack shaft shifting gear, and jack shaft driving gear and input shaft actuation gear often mesh; Corresponding shifting gear often meshes on jack shaft shifting gear and the main shaft, and input shaft, main shaft and jack shaft are installed on the main box body respectively; Odd-side includes extension, the odd-side jack shaft of odd-side main shaft, main tank main shaft; The extension of main tank main shaft is equipped with the odd-side actuation gear, the odd-side main shaft is provided with odd-side reduction gear and odd-side lock ring type synchronizer; Odd-side lock ring type synchronizer top has odd-side shift fork, odd-side declutch shift shaft and shift fork to drive cylinder; There is the odd-side jack shaft odd-side main shaft both sides, and the odd-side jack shaft is provided with odd-side jack shaft driving gear, odd-side countershaft-gear, and the odd-side actuation gear on odd-side jack shaft driving gear and the main tank main shaft extension often meshes; Odd-side countershaft-gear and the engagement of odd-side reduction gear, the coupling flange, output end dish of odd-side main shaft.
The input torque of above-mentioned speed changer is greater than 650Nm.
The ratio coverage of above-mentioned speed changer from one grade to ten second gears is 12.23-0.78.
Above-mentioned speed changer is the two 12 grades of automotive transmissions of jack shaft of major-minor case, and the centre distance of speed changer is less than or equal to 106mm.
Above-mentioned shift fork drives cylinder and places in the casing of odd-side.
The utlity model has following beneficial effect:
The speed changer of the utility model is a kind of little central moment, 12 forward gearss, axial dimension is little, moment of torsion is bigger greater than 650Nm, ratio coverage, the differential littler twin countershaft transmission of speed ratio.The discharging of relevant vehicles such as card, agricultural vehicle during the application of the utility model can further reduce makes it more fuel-efficient, more economical, is easier to the car load layout.
Description of drawings
Fig. 1 is the speed changer cut-away view of the utility model.
Wherein: 1 is input shaft; 2 is the input shaft actuation gear; 3 is main shaft; 4 is jack shaft; 5 is the jack shaft driving gear; 6 is the jack shaft shifting gear; 7 is the back taper sliding sleeve; 8 is shift fork; 9 is declutch shift shaft; 10 is mainshaft gear; 11 is the reverse gear sliding sleeve; 12 is the odd-side actuation gear; 13 is odd-side lock ring type synchronizer; 14 is the odd-side declutch shift shaft; 15 are shift fork driving cylinder; 16 is bearing; 17 is the odd-side main shaft; 18 is the odd-side reduction gear; 19 is flange plate.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Referring to Fig. 1, the automotive transmission of the utility model is made up of six grades of basic trnasmission main tanks and two grades of auxiliary transmission odd-sides, and wherein main tank includes input shaft 1, input shaft actuation gear 2, main shaft 3 and six shifting gears (like mainshaft gear among Fig. 1 10); Between one grade and intermediate gear on the main shaft 3; Between third gear and the fourth gear, be respectively equipped with back taper tooth sliding sleeve 7 or synchronizer between five grades and six grades, also be arranged with reverse gear sliding sleeve 11 on the main shaft 3; Main shaft 3 tops also are provided with shift fork 8 and declutch shift shaft 9; There are two jack shafts 4 main shaft 3 both sides, and said jack shaft 4 is provided with jack shaft driving gear 5 and jack shaft shifting gear 6, and jack shaft driving gear 5 often meshes with input shaft actuation gear 2; Corresponding shifting gear often meshes on jack shaft shifting gear 6 and the main shaft 3, and input shaft 1, main shaft 3 and jack shaft 4 are installed on the main box body respectively; Odd-side includes extension, the odd-side jack shaft of odd-side main shaft 17, main tank main shaft 3; The extension of main tank main shaft 3 is equipped with odd-side actuation gear 12, odd-side main shaft 17 is provided with reduction gear 18 and odd-side lock ring type synchronizer 13; Odd-side lock ring type synchronizer 13 tops have odd-side shift fork, odd-side declutch shift shaft 14 and shift fork to drive cylinder 15; There is the odd-side jack shaft odd-side main shaft 17 both sides; The odd-side jack shaft is provided with odd-side jack shaft driving gear, odd-side countershaft-gear; Odd-side actuation gear 12 on odd-side jack shaft driving gear and the main tank main shaft extension often meshes, odd-side countershaft-gear and 18 engagements of odd-side reduction gear, the coupling flange, output end dish 19 of odd-side main shaft 17.Between odd-side main shaft 17 and main shaft 3 extensions, also be provided with bearing 16.
The centre distance with speed changer of the utility model is designed to be less than or equal to 106mm, and the input torque that makes speed changer is greater than 650Nm.The ratio coverage of speed changer from one grade to ten second gears is 12.23-0.78.
Below describe the working procedure of the automotive transmission of the utility model in detail:
The power of motor is passed to the input shaft 1 and input shaft actuation gear 2 of basic trnasmission (main tank) through clutch.Input shaft actuation gear and jack shaft driving gear 5 often mesh, and drive jack shaft 4 transmissions, and jack shaft shifting gear 6 often meshes with mainshaft gear 10, and mainshaft gear 10 dallies on main shaft.Because back taper sliding sleeve 7 internal tooths and main shaft 3 pass through splined; And reverse shift fork 8 rides on back taper sliding sleeve 7; Move sliding selector shaft 9 and drive reverse shift fork; Sliding sleeve moves with shift fork, and when the combination back taper tooth of sliding sleeve combined with the interior back taper tooth of mainshaft gear, main shaft 3 just became one with mainshaft gear 10 and rotates and transferring power by certain speed ratio.
When the auxiliary transmission odd-side was positioned at high-grade district, the power of main tank main shaft 3 outputs was passed to odd-side main shaft 17 through odd-side actuation gear 12 with the tooth cover on the odd-side lock ring type synchronizer 13 and is directly exported, again through flange plate 19 outputting powers; When being positioned at low-grade the district, the power of main tank main shaft output is passed to the odd-side countershaft-gear through odd-side actuation gear 12, passes to the odd-side main shaft through output flange 19 outputting powers through the tooth cover on odd-side reduction gear 18 and the odd-side lock ring type synchronizer 13 again.The odd-side synchronizer gear sleeve promotes odd-side declutch shift shaft 14 through the inner carrier motion that is built in the shift fork driving cylinder 15 in the odd-side housing and handles.
Claims (5)
1. an automotive transmission is characterized in that, said speed changer is made up of six grades of basic trnasmission main tanks and two grades of auxiliary transmission odd-sides; Wherein main tank includes input shaft (1), input shaft actuation gear (2), main shaft (3) and six shifting gears; Between main shaft (3) last one grade and intermediate gear, between third gear and the fourth gear, be respectively equipped with back taper tooth sliding sleeve (7) or synchronizer between five grades and six grades; Also be arranged with reverse gear sliding sleeve (11) on the main shaft (3); There are two jack shafts (4) main shaft (3) both sides, and said jack shaft (4) is provided with jack shaft driving gear (5) and jack shaft shifting gear (6), jack shaft driving gear (5) and the normal engagement of input shaft actuation gear (2); Jack shaft shifting gear (6) is gone up corresponding shifting gear with main shaft (3) and is often meshed, and input shaft (1), main shaft (3) and jack shaft (4) are installed on the main box body respectively; Odd-side includes extension, the odd-side jack shaft of odd-side main shaft (17), main tank main shaft; The extension of main tank main shaft is equipped with odd-side actuation gear (12), odd-side main shaft (17) is provided with odd-side reduction gear (18) and odd-side lock ring type synchronizer (13); Odd-side lock ring type synchronizer (13) top has odd-side shift fork, odd-side declutch shift shaft (14) and shift fork to drive cylinder (15); There is the odd-side jack shaft odd-side main shaft (17) both sides; The odd-side jack shaft is provided with odd-side jack shaft driving gear, odd-side countershaft-gear; The normal engagement of odd-side actuation gear (12) on odd-side jack shaft driving gear and the main tank main shaft extension, odd-side countershaft-gear and odd-side reduction gear (18) engagement, the coupling flange, output end dish (19) of odd-side main shaft (17).
2. automotive transmission according to claim 1 is characterized in that the input torque of said speed changer is greater than 650Nm.
3. automotive transmission according to claim 1 is characterized in that, the ratio coverage of said speed changer from one grade to ten second gears is 12.23-0.78.
4. automotive transmission according to claim 1 is characterized in that, said speed changer is the two 12 grades of automotive transmissions of jack shaft of major-minor case, and the centre distance of speed changer is less than or equal to 106mm.
5. automotive transmission according to claim 3 is characterized in that, described shift fork drives cylinder (15) and places in the casing of odd-side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204208034U CN202326941U (en) | 2011-10-31 | 2011-10-31 | Automobile transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204208034U CN202326941U (en) | 2011-10-31 | 2011-10-31 | Automobile transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326941U true CN202326941U (en) | 2012-07-11 |
Family
ID=46438921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204208034U Expired - Lifetime CN202326941U (en) | 2011-10-31 | 2011-10-31 | Automobile transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326941U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943864A (en) * | 2012-10-29 | 2013-02-27 | 陕西法士特齿轮有限责任公司 | Automated mechanical transmission for passenger car |
| CN106286723A (en) * | 2016-09-08 | 2017-01-04 | 西安法士特汽车传动有限公司 | A kind of 12 grades of double full synchronizer speed variators of jackshaft high pulling torque |
| CN106678340A (en) * | 2017-02-15 | 2017-05-17 | 苏州萨伯工业设计有限公司 | 6-gear gearbox |
-
2011
- 2011-10-31 CN CN2011204208034U patent/CN202326941U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102943864A (en) * | 2012-10-29 | 2013-02-27 | 陕西法士特齿轮有限责任公司 | Automated mechanical transmission for passenger car |
| CN106286723A (en) * | 2016-09-08 | 2017-01-04 | 西安法士特汽车传动有限公司 | A kind of 12 grades of double full synchronizer speed variators of jackshaft high pulling torque |
| CN106678340A (en) * | 2017-02-15 | 2017-05-17 | 苏州萨伯工业设计有限公司 | 6-gear gearbox |
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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: XI'AN FAST AUTOMOTIVE TRANSMISSION CO., LTD. Assignor: Shaanxi Fashite Gear Co., Ltd. Contract record no.: 2012610000127 Denomination of utility model: Transmission mounting bracket for automobile Granted publication date: 20120711 License type: Exclusive License Record date: 20120725 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120711 |