CN202327004U - 12-gear heavy-duty automotive transmission - Google Patents
12-gear heavy-duty automotive transmission Download PDFInfo
- Publication number
- CN202327004U CN202327004U CN2011204239367U CN201120423936U CN202327004U CN 202327004 U CN202327004 U CN 202327004U CN 2011204239367 U CN2011204239367 U CN 2011204239367U CN 201120423936 U CN201120423936 U CN 201120423936U CN 202327004 U CN202327004 U CN 202327004U
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- gear
- transmission
- heavy
- duty automotive
- speed changer
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- Expired - Lifetime
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Abstract
The utility model relates to a 12-gear heavy-duty automotive transmission which is a main and auxiliary box double-middle shaft 12-gear heavy-duty automotive transmission. The center distance of a main body of the transmission is 130 mm. The transmission includes 6 gears arranged on the main box and 2 gears arranged on a rear auxiliary box and adopts a full synchronizer structure. The utility model has the benefits that a double-middle shaft gear transmission technology is applied to the 12-gear transmission of which the input torque is 900-1350 Nm; and compared with a same level of double-middle shaft transmission, the 12-gear heavy-duty automotive transmission has the advantages of small volume, light weight, small speed ratio level difference and more stable and reliable performance.
Description
Technical field
The utility model belongs to the speed changer technical field, especially a kind of 12 retaining heavy-duty automotive speed changers.
Background technique
(input torque 1600～2000Nm) has become the mainstream configuration of heavy-duty commercial vehicle to 12 shift transmissions of existing technology.The speed changer that uses in 900～1350Nm moment of torsion section at present is 8 retainings, 9 retainings and 10 retainings, two jack shaft products occuping market leading position, but moment of torsion also be not commercially available at 12 shift transmissions of 900～1350Nm.
The model utility content
The purpose of the utility model is to overcome the shortcoming of above-mentioned existing technology; A kind of 12 retaining heavy-duty automotive speed changers are provided; This speed changer is applied to 12 shift transmissions of input torque at 900～1350Nm with two countershaft-gear drive technologies, and than the twin countershaft transmission of same levels, it is little, in light weight to have a volume; Speed ratio is differential little, and performance is more reliable and stable.
The purpose of the utility model solves through following technological scheme:
This 12 retaining heavy-duty automotive speed changers, said speed changer is made up of main tank, back odd-side, and wherein main tank is provided with six gears, and odd-side is provided with two gears.
Above-mentioned speed changer is the two jack shaft 12 retaining heavy-duty automotive speed changers of major-minor case, and the main tank centre distance of speed changer is 130mm.
The odd-side centre distance of above-mentioned speed changer is 148mm.
Above-mentioned speed changer from one keep off 12 the retaining ratio coverage be 15.5-0.78.
The input torque of above-mentioned speed changer is 900～1350Nm.
The utlity model has following beneficial effect:
The utility model is that two countershaft-gear drive technologies are applied to 12 shift transmissions of input torque at 900～1350Nm, and than the twin countershaft transmission of same levels, it is little, in light weight to have a volume, and speed ratio is differential little, and performance is more reliable and stable.This meets the development trend of heavy-duty car, for leading market, dominating the market and laid good basis.
Description of drawings
Fig. 1 is the speed changer cut-away view of the utility model;
Fig. 2 is the odd-side stopper mechanism map of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
Referring to Fig. 1, the 12 retaining heavy-duty automotive speed changers of the utility model are the two jack shaft 12 retaining heavy-duty automotive speed changers of major-minor case, and the main tank centre distance of speed changer is 130mm; The odd-side centre distance of speed changer is 148mm.This speed changer is the two jack shaft 12 retaining heavy-duty automotive speed changers of major-minor case.The input torque of speed changer is 900～1350Nm.
In the optimized project of the utility model, speed changer from one keep off 12 the retaining ratio coverage be 15.5-0.78.
The utility model is on the basis of existing major-minor case twin countershaft transmission, to carry out optimal design to form; As shown in Figure 1, in speed changer, the gear on one 101, two 102 and the odd-side main shaft 103 all is the radial floating state; Shaftgear sky on one 101 is enclosed within on one 101; Carry out axially locating by spline pad and stop ring, simple in structure, easy to assembly.Gear on the jack shaft 104 removes a retaining, two retainings and reverse gear and jack shaft and is made as one externally, all is aided with semicircular key or long key joint with the merging that matches of certain magnitude of interference and jack shaft.Gear sky on two 102 is enclosed within on two 102, carries out axially locating by the long hex key on spline pad, stop ring and two 102, need not axially to adjust, and all gears are the radial floating state at two 102.One cover bipyramid face lock ring type synchronizer, the single conical surface lock ring type synchronizer of two covers are housed on two 102, synchronously capacity big, put into gear light.In the odd-side of back, the odd-side actuation gear with two 102 through spline connection.Odd-side jack shaft driving gear is welded on the odd-side jack shaft.Odd-side main shaft reduction gear is supported on the odd-side main shaft through the spline pad, and gear radially also can float, and back odd-side adopts the enhancement mode pin-type synchronizer, and the conical surface is a non-metallic friction materials, and reliability is high.Except that the ratio wheel of reverse gear, first gear, second gear, three retaining gears and back odd-side, be the serration design in the major and minor speed changer, big (reaching about the 2.2) gear engagement of contact ratio is steady, noise is little.
Like Fig. 2 is odd-side stopper mechanism map, odd-side through stopper steel ball 4 can make that the odd-side synchronizer is in that high gear puts 1, neutral gear position 3, low gear put 2, any position can be played anti-odd-side and fallen the retaining effect therein.5 is the odd-side synchronizer, and odd-side synchronizer soldered tooth is the back taper tooth, can prevent that synchronizer falls retaining.
Claims (5)
1. a retaining heavy-duty automotive speed changer is characterized in that, said speed changer is made up of main tank, back odd-side, and wherein main tank is provided with six gears, and odd-side is provided with two gears.
2. 12 retaining heavy-duty automotive speed changers according to claim 1 is characterized in that, said speed changer is the two jack shaft 12 retaining heavy-duty automotive speed changers of major-minor case, and the main tank centre distance of speed changer is 130mm.
3. 12 retaining heavy-duty automotive speed changers according to claim 1 is characterized in that the odd-side centre distance of said speed changer is 148mm.
4. according to claim 1 12 the retaining heavy-duty automotive speed changers, it is characterized in that, said speed changer from one keep off 12 the retaining ratio coverage be 15.5-0.78.
5. 12 retaining heavy-duty automotive speed changers according to claim 1 is characterized in that the input torque of said speed changer is 900～1350Nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204239367U CN202327004U (en) | 2011-10-31 | 2011-10-31 | 12-gear heavy-duty automotive transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204239367U CN202327004U (en) | 2011-10-31 | 2011-10-31 | 12-gear heavy-duty automotive transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202327004U true CN202327004U (en) | 2012-07-11 |
Family
ID=46438983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204239367U Expired - Lifetime CN202327004U (en) | 2011-10-31 | 2011-10-31 | 12-gear heavy-duty automotive transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202327004U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878254A (en) * | 2012-09-27 | 2013-01-16 | 陕西法士特齿轮有限责任公司 | 16-speed automobile transmission |
| CN105020350A (en) * | 2014-04-28 | 2015-11-04 | 迪尔公司 | Gear shifter arrangement |
| RU2587281C1 (en) * | 2015-03-25 | 2016-06-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) | Twelve-step gearbox |
-
2011
- 2011-10-31 CN CN2011204239367U patent/CN202327004U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102878254A (en) * | 2012-09-27 | 2013-01-16 | 陕西法士特齿轮有限责任公司 | 16-speed automobile transmission |
| CN102878254B (en) * | 2012-09-27 | 2016-01-20 | 陕西法士特齿轮有限责任公司 | A kind of 16 grades of automotive transmissions |
| CN105020350A (en) * | 2014-04-28 | 2015-11-04 | 迪尔公司 | Gear shifter arrangement |
| CN105020350B (en) * | 2014-04-28 | 2020-02-14 | 迪尔公司 | Gear shifting device |
| RU2587281C1 (en) * | 2015-03-25 | 2016-06-20 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) | Twelve-step 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: 12-gear heavy-duty automotive transmission 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 |