CN105402379A - Gearbox with 10 forward gears and 10 reversing gears - Google Patents
Gearbox with 10 forward gears and 10 reversing gears Download PDFInfo
- Publication number
- CN105402379A CN105402379A CN201510902075.3A CN201510902075A CN105402379A CN 105402379 A CN105402379 A CN 105402379A CN 201510902075 A CN201510902075 A CN 201510902075A CN 105402379 A CN105402379 A CN 105402379A
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- Prior art keywords
- gear
- axle
- shaft
- gears
- grade
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- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000000034 method Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000003756 stirring Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/042—Combinations of toothed gearings only change gear transmissions in group arrangement
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/0403—Synchronisation before shifting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0069—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising ten forward speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/0082—Transmissions for multiple ratios characterised by the number of reverse speeds
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2306/00—Shifting
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a gearbox with 10 forward gears and 10 reversing gears. The gearbox comprises a main speed change mechanism with five gears, a high-to-low gear speed change mechanism and a front-to-back gear speed change mechanism. Synchronizers are adopted for gear shifting in the main speed change mechanism. In the gear shifting process, the rotation speeds of two parts to be hitched are consistent and synchronous through the effect of the friction force, gear-shifting elements become meshed without impact, the synchronizers make gear shifting easy, the end surfaces of gear-shifting teeth are protected against damage, and therefore the service life of the gear-shifting mechanisms is effectively prolonged.
Description
Technical field
The present invention relates to gearbox technical field, particularly relate to a kind of 10+10 gear gearbox for tractor or corresponding motor vehicle.
Background technique
Current 55 ~ 80 horsepowers of section tractor main transformer speed provide 4 gears, and secondary speed change provides two gears, realizes 8 (forward gears)+8 (backward gear) individual gear.Owing to adopting the gearshift of engaging sleeve mechanism, engaging sleeve gearshift easily impacts shifting element in shift process, accelerates the gearshift damage in increment face and shift process is steady, the life-span of gear is affected.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of 10+10 gear gearbox, to reduce to the impact that shifting element causes in shift process, and compact structure.
For solving the problems of the technologies described above, technological scheme of the present invention is: 10+10 gear gearbox, comprising: casing, and in described casing, order is provided with main speed-changing mechanism, high and low shift gear and front and back crosspiece gear, described main speed-changing mechanism comprises the first axle, described first axle is installed with and often engages driving gear, and one end of described first axle is power intake, and the other end of described first axle is synchronizer connecting end, second axle and described first axle are coaxially arranged, described second axle is rotatablely equipped with successively two axle fourth gears, two axle three-range transmissions, two axle intermediate gears and two axles, one grade of gear, described second axle is installed with four Five-gear synchronizers, two third gear synchronizers and one grade of synchronizer, described four Five-gear synchronizers are between the synchronizer connecting end and described two axle fourth gears of described first axle, described two third gear synchronizers are between described two axle three-range transmissions and described two axle intermediate gears, described one grade of synchronizer is between described two axle intermediate gears and described two axle one grade of gear, jack shaft is installed with and described normal normal engagement driven gear, the jack shaft fourth gear engaged with described two axle fourth gears, the third-speed gear of intermediate shaft engaged with described two axle three-range transmissions, the secondary gear of intermediate shaft engaged with described two axle intermediate gears and jack shaft one grade of gear with described two axles one grade of gears meshing engaging driving gear and engage.
Wherein, described high and low shift gear is planetary gear speed reducing mechanism, the gear shaft that this mechanism comprises the second axle sun gear be arranged on described second axle, the internal gear be fixed on described casing, planet carrier and coaxially arranges with described second axle, described gear shaft is slidably fitted with driving cog cover, described driving cog put be provided with can to the external tooth that described planet carrier engages and can be corresponding with on described second axle the internal tooth that is meshed of tooth.
Wherein, described front and back gear speed-shifting mechanism is shuttle gear-shifting planet speed change mechanism, this mechanism comprises the gear shaft sun gear be arranged on described gear shaft, be fixed on the gear ring on described casing, first planet gear, second planetary pinion, planet carrier component and the pto＝power take-off coaxially arranged with described gear shaft, described first planet gear engages with described gear shaft, described second planetary pinion engages with described first planet gear and described gear ring respectively, described pto＝power take-off is slidably fitted with shifter collar, described shifter collar be provided with can to the external tooth that described planet carrier component engages and can be corresponding with on described gear shaft the internal tooth that is meshed of tooth.
The technique effect of employing acquired by technique scheme is:
Shift gears owing to adopting synchronizer in main speed-changing mechanism, in shift process, by the effect of frictional force, the two part rotating speeds wanting prolong knot are reached unanimously (namely synchronous), so that engage a gear element enters engagement without impact, synchronizer makes gearshift easily, gearshift increment face is injury-free, the working life of effective prolongation gearshift, and the handling comfort improving gearshift.Each synchronizer is all installed on the second axle, makes compact structure on the whole, main speed-changing mechanism, high and low shift gear and front and back gear speed-shifting mechanism to be arranged in casing.
Owing to being provided with high and low shift gear, high-grade and low-grade two gears can be provided for gearbox.
Owing to being provided with front and back gear speed-shifting mechanism, advance gear can be provided and the gear that falls back for gearbox.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is transmission sketch of the present invention;
In figure, 1-first axle, 2-often engages driving gear, 3-tetra-Five-gear synchronizer, 4-bis-axle fourth gear, 5-bis-axle three-range transmission, 6-bis-third gear synchronizer, 7-bis-axle intermediate gear, 8-mono-grade of synchronizer, 9-bis-axle one grade of gear, 10-internal gear, 12-second axle, 13-planet carrier, 14-driving cog cover, 15-gear ring, 16-first planet gear, 17-second planetary pinion, 18-planet carrier component, 19-gear shaft, 20-shifter collar, 21-pto＝power take-off, 22-jack shaft one grade of gear, 23-secondary gear of intermediate shaft, 24-third-speed gear of intermediate shaft, 25-jack shaft fourth gear, 26-often engages driven gear, 27-jack shaft.
Embodiment
As shown in Figure 1, a kind of 10+10 gear gearbox, is used on tractor or other similar Motor Vehicle, and the main speed-changing mechanism that it is arranged by order, high and low shift gear and front and back crosspiece gear achieve 10 forward gears and 10 backward gears.
The main structure of main speed-changing mechanism is as follows:
First axle 1 is rotated by bearing and is installed on the casing of gearbox, and the one end the first axle 1 being installed with normal engagement driving gear 2, first axle 1 is power intake, and the other end synchronizer connecting end is provided with the external tooth coordinated with four Five-gear synchronizers 3.
Second axle 12 and the first axle 1 are coaxially arranged, and rotated by bearing the synchronizer connecting end being installed on the first axle 1 in one end of the second axle 12, and the other end is rotated by bearing and is installed in the casing (not shown) of gearbox.On second axle 12, order rotation is provided with two axle fourth gear 4, two axle three-range transmission 5, two axle intermediate gear 7 and two axles, one grade of gear 9.
Second axle 12 is installed with four Five-gear synchronizer 3, two third gear synchronizer 6 and one grade of synchronizer 8, four Five-gear synchronizers 3 are between the synchronizer connecting end and two axle fourth gears 4 of described first axle 1, two third gear synchronizers 6 are between two axle three-range transmissions 5 and two axle intermediate gears 7, and one grade of synchronizer 8 is between described two axle intermediate gears 7 and described two axle one grade of gear 9.
Each synchronizer is all installed on the second axle 12, make structure comparatively compact, main speed-changing mechanism, high and low shift gear and front and back gear speed-shifting mechanism are installed in described casing, main speed-changing mechanism adopts synchronizer gearshift, in shift process, by the effect of frictional force, the two part rotating speeds wanting prolong knot are reached unanimously (namely synchronous), so that engage a gear element enters engagement without impact, synchronizer makes gearshift easily, gearshift increment face is injury-free, the working life of effective prolongation gearshift, and the handling comfort improving gearshift.
Jack shaft 27 is installed with and described normal normal engagement driven gear 26, the jack shaft fourth gear 25 engaged with two axle fourth gears 4, the third-speed gear of intermediate shaft 24 engaged with two axle three-range transmissions 5, the secondary gear of intermediate shaft 23 engaged with two axle intermediate gears 7 and jack shaft one grade of gear 22 engaged with two axles, one grade of gear 8 engaging driving gear 2 and engage.
By the second axle 12 transferring power between main speed-changing mechanism and high and low shift gear, by gear shaft 19 transferring power between high and low shift gear and front and back crosspiece gear.
High and low shift gear is a planetary gear speed reducing mechanism, it comprises internal gear 10, planetary pinion and planet carrier 13, and the gear shaft 19 that arrange coaxial with described second axle 12, gear shaft 19 to be rotated with the second axle 12 by bearing and connects, second axle 12 is provided with the second axle sun gear, planetary pinion to be arranged on planet carrier 13 and to engage with internal gear 10 and the second axle sun gear, driving cog cover 14 is slidably mounted on gear shaft 19 by spline or internal tooth, driving cog cover 14 is between planet carrier 13 and the second axle 12, driving cog cover 14 is provided with the external tooth engaged with planet carrier 13 and the internal tooth be meshed with the external tooth that the second axle 12 is provided with.
Front and back crosspiece gear is a planet speed change mechanism, it comprises gear ring 15, first planet gear 16, second planetary pinion 17, planet carrier component 18 and the pto＝power take-off 21 that arrange coaxial with gear shaft 19, pto＝power take-off 21 to be rotated with gear shaft 19 by bearing and connects, gear shaft 19 axle is provided with gear shaft sun gear, first planet gear 16, second planetary pinion 17 is installed on planet carrier component 18, first planet gear 16 engages with gear shaft sun gear, second planetary pinion 17 engages with first planet gear 16 and gear ring 15 respectively, shifter collar 20 is slidably mounted on pto＝power take-off 21 by spline or internal tooth, shifter collar 20 is between planet carrier component 18 and gear shaft 19, shifter collar 20 is provided with the external tooth engaged with planet carrier component 18 and the internal tooth be meshed with the external tooth that gear shaft 19 is provided with.
The transfer route of each gear of this 10+10 gear gearbox is:
One grade: shift fork is stirred one grade of synchronizer 8 and made it to be combined with two axles, one grade of gear 9, for main transformer speed one grade, the pass order of power is: first axle 1 → normal engagement driving gear 2 → normal engagement driven gear 26 → jack shaft, 27 → jack shaft, one grade of gear 22 → bis-axle, one grade of gear, 9 → mono-grades of synchronizer 8 → the second axles 12.
Second gear: shift fork is stirred two third gear synchronizers 6 and made it to be combined with two axle intermediate gears 7, for main transformer speed second gear, the pass order of power is: first axle 1 → normal engagement driving gear 2 → normal engagement driven gear 26 → jack shaft 27 → secondary gear of intermediate shaft 23 → bis-axle intermediate gear 7 → bis-third gear synchronizer 6 → the second axle 12.
Third gear: shift fork is stirred two third gear synchronizers 6 and made it to be combined with two axle three-range transmissions 5, for main transformer speed third gear, the pass order of power is: first axle 1 → normal engagement driving gear 2 → normal engagement driven gear 26 → jack shaft 27 → third-speed gear of intermediate shaft 24 → bis-axle three-range transmission 5 → bis-third gear synchronizer 6 → the second axle 12.
Fourth gear: shift fork is stirred four Five-gear synchronizers 3 and made it to be combined with two axle fourth gears 4, for main transformer speed fourth gear, the pass order of power is: first axle 1 → normal engagement driving gear 2 → normal engagement driven gear 26 → jack shaft 27 → jack shaft fourth gear 25 → bis-axle fourth gear 4 → tetra-Five-gear synchronizer 3 → the second axle 12.
Five grades: shift fork is stirred four Five-gear synchronizers 3 and made it to be combined with the first axle 1, be main transformer speed five grades, the pass order of power is: the first axle 1 → tetra-Five-gear synchronizer 3 → the second axle 12.
Enter after high and low shift gear through main speed-changing mechanism, the gear change in high and low shift gear is:
High-grade: it is top grade that high and low shift gear district speed change lever stirs that driving cog cover 14 is combined with the second axle 12, and the pass order of power is: second axle 12 → driving cog overlaps 14 → gear shaft 19.
Low-grade: it is low grade that high and low shift gear district speed change lever stirs that driving cog cover 14 is combined with planet carrier 13, and the pass order of power is: second axle 12 → planetary pinion → planet carrier 13 → driving cog overlaps 14 → gear shaft 19.
Enter front and back crosspiece gear after high and low shift gear after, gear change is:
Forward gears: it is neutral position that front and back crosspiece gear district shift fork stirs that shifter collar 20 mediates, and shifter collar 20 moves and is combined with gear shaft 19 is forward gears, and the pass order of power is: gear shaft 19 → shifter collar 20 → pto＝power take-off 21.
Backward gear: front and back crosspiece gear district shift fork is stirred shifter collar 20 and moved that to be combined with planet carrier component 18 be backward gear, and the pass order of power is: gear shaft 19 → first planet gear 16, second planetary pinion 17 → planet carrier component 18 → shifter collar 20 → pto＝power take-off 21.
Main speed-changing mechanism can provide five gears, and high and low shift gear can provide high-grade and low-grade two gears; Front and back crosspiece gear can provide forward gear and backward gear two gears, through combination, can realize ten advance gears and ten gears that fall back.
Claims (3)
1. a 10+10 gear gearbox, comprising: casing, and in described casing, order is provided with main speed-changing mechanism, high and low shift gear and front and back crosspiece gear; It is characterized in that, described main speed-changing mechanism comprises
First axle (1), described first axle (1) is installed with and often engages driving gear (2), one end of described first axle (1) is power intake, and the other end of described first axle (1) is synchronizer connecting end;
Second axle (12), described second axle (12) and described first axle (1) are coaxially arranged, the upper order rotation of described second axle (12) is provided with two axle fourth gears (4), two axle three-range transmissions (5), two axle intermediate gears (7) and two axles, one grade of gear (9), described second axle (12) is installed with four Five-gear synchronizers (3), two third gear synchronizers (6) and one grade of synchronizer (8), described four Five-gear synchronizers (3) are positioned between the synchronizer connecting end of described first axle (1) and described two axle fourth gears (4), described two third gear synchronizers (6) are positioned between described two axle three-range transmissions (5) and described two axle intermediate gears (7), described one grade of synchronizer (8) is positioned between described two axle intermediate gears (7) and described two axle one grade of gear (9),
Jack shaft (27), described jack shaft (27) is installed with and often engages the normal engagement driven gear (26) that driving gear (2) engages, the jack shaft fourth gear (25) engaged with described two axle fourth gears (4), the third-speed gear of intermediate shaft (24) engaged with described two axle three-range transmissions (5), the secondary gear of intermediate shaft (23) engaged with described two axle intermediate gears (7) and jack shaft one grade of gear (22) of engaging with described two axle one grade of gear (9) with described.
2. 10+10 gear gearbox as claimed in claim 1, it is characterized in that, described high and low shift gear is planetary gear speed reducing mechanism, this mechanism comprises the second axle sun gear be arranged on described second axle (12), be fixed on the internal gear (10) on described casing, planet carrier (13) and the gear shaft (19) that arrange coaxial with described second axle (12), described gear shaft (19) is slidably fitted with driving cog cover (14), described driving cog cover (14) is provided with the external tooth that can engage with described planet carrier (13) and the internal tooth that can be meshed with the upper corresponding tooth of described second axle (12).
3. 10+10 gear gearbox as claimed in claim 2, it is characterized in that, described front and back crosspiece gear is shuttle gear-shifting planet speed change mechanism, this mechanism comprises the gear shaft sun gear be arranged on described gear shaft (19), be fixed on the gear ring (15) on described casing, first planet gear (16), second planetary pinion (17), planet carrier component (18) and the pto＝power take-off (21) that arrange coaxial with described gear shaft (19), described first planet gear (16) is engaged with described gear shaft (19), described second planetary pinion (17) is engaged with described first planet gear (16) and described gear ring (15) respectively, described pto＝power take-off (21) is slidably fitted with shifter collar (20), described shifter collar (20) is provided with the external tooth that can engage with described planet carrier component (18) and the internal tooth that can be meshed with the upper corresponding tooth of described gear shaft (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902075.3A CN105402379A (en) | 2015-12-08 | 2015-12-08 | Gearbox with 10 forward gears and 10 reversing gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510902075.3A CN105402379A (en) | 2015-12-08 | 2015-12-08 | Gearbox with 10 forward gears and 10 reversing gears |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105402379A true CN105402379A (en) | 2016-03-16 |
Family
ID=55468051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510902075.3A Pending CN105402379A (en) | 2015-12-08 | 2015-12-08 | Gearbox with 10 forward gears and 10 reversing gears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105402379A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278548A (en) * | 2018-10-22 | 2019-01-29 | 重庆铁马工业集团有限公司 | Transmission device integrating front full-power takeoff, transmission and rear transfer case |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2835710Y (en) * | 2005-10-21 | 2006-11-08 | 山东福田重工股份有限公司 | Transmission case with 10+10 gear positions |
| DE102012000657A1 (en) * | 2012-01-14 | 2013-07-18 | Daimler Ag | Dual clutch transmission, particularly commercial vehicle transmission has main group which comprises main shaft and countershaft, where downstream group is arranged in power flow after main group |
| CN203115024U (en) * | 2012-12-27 | 2013-08-07 | 天津中德传动有限公司 | Speed changer for engineering vehicle |
| CN103363041A (en) * | 2013-08-08 | 2013-10-23 | 中国重汽集团济南动力有限公司 | Novel lock ring synchronizer gearbox with ten-gear dual-intermediate shaft |
| CN103388656A (en) * | 2013-08-08 | 2013-11-13 | 中国重汽集团济南动力有限公司 | Novel 10-gear double-intermediate-shaft synchronizer gearbox |
| EP2693080A2 (en) * | 2012-08-02 | 2014-02-05 | ZF Friedrichshafen AG | Transmission stage of a stepped transmission, and stepped transmission |
| CN103711846A (en) * | 2013-12-19 | 2014-04-09 | 中国北方车辆研究所 | Ten-gear transmission with dead axle and planet composite transmission function |
| CN204493609U (en) * | 2014-12-24 | 2015-07-22 | 天津中德传动有限公司 | 12 gear heavy duty automobile gear boxs |
| CN205244318U (en) * | 2015-12-08 | 2016-05-18 | 雷沃重工股份有限公司 | 10+10 gear gearbox |
-
2015
- 2015-12-08 CN CN201510902075.3A patent/CN105402379A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2835710Y (en) * | 2005-10-21 | 2006-11-08 | 山东福田重工股份有限公司 | Transmission case with 10+10 gear positions |
| DE102012000657A1 (en) * | 2012-01-14 | 2013-07-18 | Daimler Ag | Dual clutch transmission, particularly commercial vehicle transmission has main group which comprises main shaft and countershaft, where downstream group is arranged in power flow after main group |
| EP2693080A2 (en) * | 2012-08-02 | 2014-02-05 | ZF Friedrichshafen AG | Transmission stage of a stepped transmission, and stepped transmission |
| CN203115024U (en) * | 2012-12-27 | 2013-08-07 | 天津中德传动有限公司 | Speed changer for engineering vehicle |
| CN103363041A (en) * | 2013-08-08 | 2013-10-23 | 中国重汽集团济南动力有限公司 | Novel lock ring synchronizer gearbox with ten-gear dual-intermediate shaft |
| CN103388656A (en) * | 2013-08-08 | 2013-11-13 | 中国重汽集团济南动力有限公司 | Novel 10-gear double-intermediate-shaft synchronizer gearbox |
| CN103711846A (en) * | 2013-12-19 | 2014-04-09 | 中国北方车辆研究所 | Ten-gear transmission with dead axle and planet composite transmission function |
| CN204493609U (en) * | 2014-12-24 | 2015-07-22 | 天津中德传动有限公司 | 12 gear heavy duty automobile gear boxs |
| CN205244318U (en) * | 2015-12-08 | 2016-05-18 | 雷沃重工股份有限公司 | 10+10 gear gearbox |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109278548A (en) * | 2018-10-22 | 2019-01-29 | 重庆铁马工业集团有限公司 | Transmission device integrating front full-power takeoff, transmission and rear transfer case |
| CN109278548B (en) * | 2018-10-22 | 2020-10-23 | 重庆铁马工业集团有限公司 | Transmission device integrating front full-power takeoff, transmission and rear transfer case |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20160316 |