CN105370820A - Automatic ten-gear double-clutch transmission - Google Patents
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Abstract
一种十速双离合自动变速器，包括内输入轴、与内输入轴嵌套设置的外输入轴、第一内输出轴、与第一内输出轴嵌套设置的第一外输出轴、第二内输出轴、及与第二内输出轴嵌套设置的第二外输出轴，该自动变速器采用两组嵌套布置的输出轴结构，其中每组嵌套布置的两根输出轴之间通过一个同步器实现动力的传递，通过借用档位的方式，实现了十个前进挡和一个倒档，整个变速箱结构紧凑轴向尺寸小、所需安装空间较小、结构较简单易于加工，在与普通七、八个档位变速器具有相同外型尺寸的前提下可设置十个档位，传动比分配更加合理，使发动机有更多的几率工作在其最佳区域，提高动力性和经济性。
A ten-speed dual-clutch automatic transmission, comprising an inner input shaft, an outer input shaft nested with the inner input shaft, a first inner output shaft, a first outer output shaft nested with the first inner output shaft, a second The inner output shaft, and the second outer output shaft nested with the second inner output shaft, the automatic transmission adopts two sets of nested output shaft structures, wherein each set of nested output shafts passes through a The synchronizer realizes the transmission of power. By borrowing gears, ten forward gears and one reverse gear are realized. The whole gearbox has a compact structure, small axial size, small installation space, simple structure and easy processing. Ordinary seven- and eight-gear transmissions can be set to ten gears under the premise of the same external dimensions, and the transmission ratio distribution is more reasonable, so that the engine has more chances to work in its optimal area, improving power and economy.
Description
技术领域technical field
本发明涉及车辆的变速器技术领域，尤其涉及一种十速双离合自动变速器。The invention relates to the technical field of vehicle transmissions, in particular to a ten-speed dual-clutch automatic transmission.
背景技术Background technique
双离合自动变速器(DualClutchTransmission，DCT)是将两个变速箱和两个离合器集成在一个变速箱内，两根可转动地套接在一起的输入轴分别与其中一个离合器相连接，两根输入轴分别传输两个变速箱速度组的动力，通过在两个离合器之间自动切换从而完成换挡程序，因此可实现换档过程的动力换档，即在换档过程中不中断动力，克服了电控机械自动变速器(AutomatedMechanicalTransmission，AMT)换档冲击的缺点，车辆在换档过程中，发动机的动力始终可以传递到车轮，换档迅速平稳，不仅保证了车辆的加速性，而且由于车辆不再产生由于换档引起的急剧减速情况，也极大的改善了车辆运行的舒适性。Dual Clutch Transmission (DCT) integrates two gearboxes and two clutches into one gearbox, two rotatably nested input shafts are respectively connected to one of the clutches, and the two input shafts The power of the two gearbox speed groups is transmitted separately, and the shift program is completed by automatically switching between the two clutches, so the power shift during the shift process can be realized, that is, the power is not interrupted during the shift process, which overcomes the electric Due to the disadvantages of automatic mechanical transmission (Automated Mechanical Transmission, AMT) shifting shock, the power of the engine can always be transmitted to the wheels during the shifting process of the vehicle, and the shifting is fast and smooth, which not only ensures the acceleration of the vehicle, but also because the vehicle no longer generates Due to the sharp deceleration caused by shifting gears, the comfort of vehicle operation is also greatly improved.
但是，现有的双离合自动变速器多为采用双输出轴或者单输出轴，因此其轴向尺寸较长，所以对于前横置发动机、前轮驱动这样的车辆，特别是小型车，由于其安装空间受到限制，上述变速器便较难采用，而且由于其变速的档位较少，较难实现传动比的合理分配，使发动机较难工作在最佳工作区域，从而对整车的动力性和经济性产生不利影响。However, most of the existing dual-clutch automatic transmissions adopt dual output shafts or single output shafts, so their axial dimensions are relatively long, so for vehicles such as front transverse engines and front-wheel drives, especially small cars, due to their installation Due to the limited space, the above-mentioned transmission is difficult to adopt, and because it has fewer shifting gears, it is difficult to achieve a reasonable distribution of the transmission ratio, making it difficult for the engine to work in the optimal working area, thus affecting the power and economy of the vehicle. Sexuality is adversely affected.
发明内容Contents of the invention
有鉴于此，有必要提供了一种十速双离合自动变速器，其结构紧凑轴向尺寸小，由于具有十个前进档位，使传动比分配更加合理。In view of this, it is necessary to provide a ten-speed dual-clutch automatic transmission, which has a compact structure and small axial size, and has a more reasonable transmission ratio distribution due to the ten forward gears.
本发明的实施例提供一种十速双离合自动变速器，包括：Embodiments of the present invention provide a ten-speed dual-clutch automatic transmission, including:
相互嵌套设置的内输入轴与外输入轴，内输入轴上从靠近发动机一端起依次安装有四六档主动齿轮、八档主动齿轮及二档主动齿轮，外输入轴上从靠近发动机一端起依次安装有七九档主动齿轮及三档主动齿轮；The inner input shaft and the outer input shaft are nested with each other. The fourth and sixth gears, the eighth gear and the second gear are installed on the inner input shaft in sequence from the end close to the engine. The seventh and ninth gears and the third gear are installed in sequence;
与内输入轴相连的第一离合器；a first clutch connected to the inner input shaft;
与外输入轴相连的第二离合器；a second clutch connected to the outer input shaft;
相互嵌套设置的第一内输出轴与第一外输出轴，第一内输出轴及第一外输出轴上从靠近发动机一端起依次安装有第一主减速齿轮、七档从动齿轮、第六同步器、三档从动齿轮、四档从动齿轮、第五同步器、八档从动齿轮及第四同步器；其中，第一主减速齿轮、七档从动齿轮及第四同步器安装在第一内输出轴上，第六同步器、三档从动齿轮、四档从动齿轮、第五同步器及八档从动齿轮安装在第一外输出轴上；The first inner output shaft and the first outer output shaft are nested with each other. The first final reduction gear, the seventh-speed driven gear, and the first outer output shaft are installed in sequence from the end close to the engine. Six synchronizers, third speed driven gear, fourth speed driven gear, fifth speed synchronizer, eighth speed driven gear and fourth synchronizer; among them, the first final reduction gear, seventh speed driven gear and fourth synchronizer Installed on the first inner output shaft, the sixth synchronizer, the third gear driven gear, the fourth gear driven gear, the fifth synchronizer and the eighth gear driven gear are installed on the first outer output shaft;
相互嵌套设置的第二内输出轴与第二外输出轴，第二内输出轴及第二外输出轴上从靠近发动机一端起依次安装有第二主减速齿轮、九档从动齿轮、第一同步器、倒档主动齿轮、第二同步器、六档从动齿轮、第三同步器及二档从动齿轮；其中，第二主减速齿轮、九档从动齿轮及第一同步器安装在第二内输出轴上，倒档主动齿轮、第二同步器、六档从动齿轮、第三同步器及二档从动齿轮安装在第二外输出轴上；The second inner output shaft and the second outer output shaft are nested with each other, and the second final reduction gear, the ninth-speed driven gear, and the second outer output shaft are installed sequentially from one end close to the engine. The first synchronizer, the reverse gear driving gear, the second synchronizer, the sixth gear driven gear, the third synchronizer and the second gear driven gear; among them, the second final reduction gear, the ninth gear driven gear and the first synchronizer are installed On the second inner output shaft, the reverse gear driving gear, the second synchronizer, the sixth gear driven gear, the third synchronizer and the second gear driven gear are installed on the second outer output shaft;
其中，二档主动齿轮与二档从动齿轮常啮合，三档主动齿轮与三档从动齿轮常啮合，四六档主动齿轮同时与六档从动齿轮及四档从动齿轮常啮合，七九档主动齿轮同时与七档从动齿轮及九档从动齿轮常啮合，八档主动齿轮与八档从动齿轮常啮合，倒档主动齿轮与三档从动齿轮常啮合；内输入轴和外输入轴上的各齿轮均固定在对应的轴上或者直接在对应的轴上形成，第一内输出轴、第一外输出轴、第二内输出轴和第二外输出轴上除了第一主减速齿轮与第二主减速齿轮之外的各齿轮均空套在对应的轴上，第一主减速齿轮固定在第一内输出轴上，第二主减速齿轮固定在第二内输出轴上，各同步器的齿毂均连接在对应的轴上。Among them, the second-speed driving gear is in constant mesh with the second-speed driven gear, the third-speed driving gear is in constant mesh with the third-speed driven gear, the fourth- and sixth-speed driving gears are in constant mesh with the sixth-speed driven gear and the fourth-speed driven gear, and seven The ninth-speed driving gear is in constant mesh with the seventh-speed driven gear and the ninth-speed driven gear, the eighth-speed driving gear is in constant mesh with the eighth-speed driven gear, and the reverse gear is in constant mesh with the third-speed driven gear; the inner input shaft and Each gear on the outer input shaft is fixed on the corresponding shaft or directly formed on the corresponding shaft, except the first inner output shaft, the first outer output shaft, the second inner output shaft and the second outer output shaft except the first The gears other than the main reduction gear and the second main reduction gear are hollowly sleeved on the corresponding shafts, the first main reduction gear is fixed on the first inner output shaft, and the second main reduction gear is fixed on the second inner output shaft , the gear hubs of each synchronizer are connected to the corresponding shafts.
进一步地，第一同步器可与九档从动齿轮及第二外输出轴接合，第二同步器可与倒档主动齿轮及六档从动齿轮接合，第三同步器可与二档从动齿轮接合，第四同步器可与第一外输出轴接合，第五同步器可与八档从动齿轮及四档从动齿轮接合，第六同步器可与七档从动齿轮及三档从动齿轮接合。Further, the first synchronizer can be engaged with the ninth gear driven gear and the second external output shaft, the second synchronizer can be engaged with the reverse gear driving gear and the sixth gear driven gear, and the third synchronizer can be engaged with the second gear driven gear. Gear engagement, the fourth synchronizer can be engaged with the first outer output shaft, the fifth synchronizer can be engaged with the eighth-speed driven gear and the fourth-speed driven gear, and the sixth synchronizer can be engaged with the seventh-speed driven gear and the third-speed driven gear The moving gear engages.
进一步地，第一同步器可与九档从动齿轮及第二外输出轴接合，第二同步器可与倒档主动齿轮接合，第三同步器可与六档从动齿轮及二档从动齿轮接合，第四同步器可与第一外输出轴接合，第五同步器可与八档从动齿轮及四档从动齿轮接合，第六同步器可与七档从动齿轮及三档从动齿轮接合。Further, the first synchronizer can be engaged with the ninth-speed driven gear and the second external output shaft, the second synchronizer can be engaged with the reverse gear driving gear, and the third synchronizer can be engaged with the sixth-speed driven gear and the second-speed driven gear. Gear engagement, the fourth synchronizer can be engaged with the first outer output shaft, the fifth synchronizer can be engaged with the eighth-speed driven gear and the fourth-speed driven gear, and the sixth synchronizer can be engaged with the seventh-speed driven gear and the third-speed driven gear The moving gear engages.
进一步地，第一外输出轴于远离发动机的一端设有第一接合部，第四同步器可与第一接合部接合。Further, the first outer output shaft is provided with a first engaging portion at an end away from the engine, and the fourth synchronizer can engage with the first engaging portion.
进一步地，第二外输出轴于靠向发动机的一端设有第二接合部，第一同步器可与第二接合部接合。Further, the second outer output shaft is provided with a second engaging portion at an end close to the engine, and the first synchronizer can engage with the second engaging portion.
进一步地，该自动变速器还包括差速器齿圈，第一主减速齿轮及第二主减速齿轮同时与差速器齿圈常啮合。Further, the automatic transmission further includes a differential ring gear, and the first final reduction gear and the second final reduction gear are in constant mesh with the differential ring gear at the same time.
本实施例的十速双离合自动变速器，通过采用两组嵌套布置的输出轴结构，其中每组嵌套布置的两根输出轴之间通过一个同步器实现动力的传递，通过借用档位的方式，实现了十个前进挡和一个倒档，整个变速箱结构紧凑轴向尺寸小、所需安装空间较小、结构较简单易于加工，在与普通七、八个档位变速器具有相同外型尺寸的前提下可设置十个档位，传动比分配更加合理，使发动机有更多的几率工作在其最佳区域，提高动力性和经济性。The ten-speed dual-clutch automatic transmission of this embodiment adopts two sets of nested output shaft structures, wherein the power transmission is realized through a synchronizer between the two output shafts of each set of nested arrangement, and the gear position is borrowed The method realizes ten forward gears and one reverse gear. The entire gearbox has a compact structure, small axial size, requires less installation space, and is simple in structure and easy to process. It has the same appearance as ordinary seven- and eight-gear transmissions. Ten gears can be set under the premise of the same size, and the transmission ratio distribution is more reasonable, so that the engine has more chances to work in its optimum area, improving power and economy.
附图说明Description of drawings
图1是本发明实施例的十速双离合自动变速器的结构示意图。FIG. 1 is a schematic structural view of a ten-speed dual-clutch automatic transmission according to an embodiment of the present invention.
具体实施方式detailed description
本发明提供一种十速双离合自动变速器，特别是一种适用于前横置发动机、前驱轿车的十速双离合自动变速器，针对现有双离合自动变速器的轴向长度大、所需安装空间较大、传动比不易分配、档位数少等问题，提供一种轴向长度小、所需安装空间较小、传动比分配较合理、档位数较多的十速双离合自动变速器。为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明实施方式作进一步地描述。The present invention provides a ten-speed dual-clutch automatic transmission, especially a ten-speed dual-clutch automatic transmission suitable for front-mounted engines and front-drive cars, aiming at the large axial length and required installation space of existing dual-clutch automatic transmissions To solve the problems of relatively large transmission ratio, difficult distribution of transmission ratio, and few gears, a ten-speed dual-clutch automatic transmission with small axial length, small installation space, reasonable distribution of transmission ratio and large number of gears is provided. In order to make the purpose, technical solution and advantages of the present invention clearer, the embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
图1是本发明实施例的十速双离合自动变速器的结构示意图，请参图1，本实施例的自动变速器包括：第二内输出轴1、第二主减速齿轮2、九档从动齿轮3、第一同步器4、倒档主动齿轮5、第二同步器6、六档从动齿轮7、第三同步器8、二档从动齿轮9、第二外输出轴10、四六档主动齿轮12、二档主动齿轮13、内输入轴14、八档主动齿轮15、第四同步器16、第一内输出轴17、第一外输出轴18、八档从动齿轮19、第五同步器20、四档从动齿轮21、三档从动齿轮22、差速器23、差速器齿圈24、第六同步器25、第一主减速齿轮26、七档从动齿轮27、外输入轴28、发动机29、第一离合器30、第二离合器31、七九档主动齿轮32及三档主动齿轮33。Fig. 1 is a schematic structural view of a ten-speed dual-clutch automatic transmission according to an embodiment of the present invention. Please refer to Fig. 1. The automatic transmission of this embodiment includes: a second inner output shaft 1, a second final reduction gear 2, and a ninth-speed driven gear 3. First synchronizer 4, reverse drive gear 5, second synchronizer 6, sixth gear driven gear 7, third synchronizer 8, second gear driven gear 9, second outer output shaft 10, fourth and sixth gears Driving gear 12, second gear driving gear 13, inner input shaft 14, eighth gear driving gear 15, fourth synchronizer 16, first inner output shaft 17, first outer output shaft 18, eighth gear driven gear 19, fifth gear Synchronizer 20, fourth gear driven gear 21, third gear driven gear 22, differential 23, differential ring gear 24, sixth synchronizer 25, first final reduction gear 26, seventh gear driven gear 27, Outer input shaft 28, engine 29, first clutch 30, second clutch 31, seventh and ninth gears 32 and third gears 33.
该自动变速器包括六根轴，分别为：内输入轴14、外输入轴28、第一内输出轴17、第一外输出轴18、第二内输出轴1及第二外输出轴10，该六根轴水平放置。The automatic transmission includes six shafts, namely: inner input shaft 14, outer input shaft 28, first inner output shaft 17, first outer output shaft 18, second inner output shaft 1 and second outer output shaft 10, the six The axis is placed horizontally.
内输入轴14与外输入轴28相互嵌套设置，外输入轴28为空心轴，外输入轴28套设在内输入轴14上并与内输入轴14同轴。第一离合器30与内输入轴14相连并用于控制内输入轴14，第二离合器31与外输入轴28相连并用于控制外输入轴28。The inner input shaft 14 and the outer input shaft 28 are mutually nested. The outer input shaft 28 is a hollow shaft. The outer input shaft 28 is sleeved on the inner input shaft 14 and coaxial with the inner input shaft 14 . The first clutch 30 is connected to the inner input shaft 14 and is used to control the inner input shaft 14 , and the second clutch 31 is connected to the outer input shaft 28 and is used to control the outer input shaft 28 .
第一内输出轴17与第一外输出轴18相互嵌套设置，第一外输出轴18为空心轴，第一外输出轴18套设在第一内输出轴17上并与第一内输出轴17同轴。The first inner output shaft 17 and the first outer output shaft 18 are nested with each other. The first outer output shaft 18 is a hollow shaft. The first outer output shaft 18 is sleeved on the first inner output shaft 17 and connected to the first inner output shaft. Axis 17 is coaxial.
第二内输出轴1与第二外输出轴10相互嵌套设置，第二外输出轴10为空心轴，第二外输出轴10套设在第二内输出轴1上并与第二内输出轴1同轴。内输入轴14、第一内输出轴17及第二内输出轴1相互平行布置。The second inner output shaft 1 and the second outer output shaft 10 are nested with each other, the second outer output shaft 10 is a hollow shaft, and the second outer output shaft 10 is sleeved on the second inner output shaft 1 and connected with the second inner output shaft. Axis 1 is coaxial. The inner input shaft 14, the first inner output shaft 17 and the second inner output shaft 1 are arranged parallel to each other.
内输入轴14上从靠近发动机一端起依次安装有四六档主动齿轮12、八档主动齿轮15及二档主动齿轮13。外输入轴28上从靠近发动机一端起依次安装有七九档主动齿轮32及三档主动齿轮33。Four or six gears driving gear 12, eight gears driving gear 15 and two gears driving gear 13 are installed successively from one end near the engine on the inner input shaft 14. On the outer input shaft 28, seven or nine gears driving gear 32 and third gear driving gear 33 are installed successively from one end close to the engine.
第一内输出轴17及第一外输出轴18上从靠近发动机一端起依次安装有第一主减速齿轮26、七档从动齿轮27、第六同步器25、三档从动齿轮22、四档从动齿轮21、第五同步器20、八档从动齿轮19及第四同步器16。其中，第一主减速齿轮26、七档从动齿轮27及第四同步器16安装在第一内输出轴17上，第六同步器25、三档从动齿轮22、四档从动齿轮21、第五同步器20及八档从动齿轮19安装在第一外输出轴18上。On the first inner output shaft 17 and the first outer output shaft 18, the first final reduction gear 26, the seventh-speed driven gear 27, the sixth synchronizer 25, the third-speed driven gear 22, the fourth-speed driven gear, and First gear driven gear 21 , fifth synchronizer 20 , eighth gear driven gear 19 and fourth synchronizer 16 . Among them, the first final reduction gear 26, the seventh-speed driven gear 27 and the fourth synchronizer 16 are installed on the first inner output shaft 17, the sixth synchronizer 25, the third-speed driven gear 22, and the fourth-speed driven gear 21 , the fifth synchronizer 20 and the eighth gear driven gear 19 are installed on the first outer output shaft 18 .
第二内输出轴1及第二外输出轴10上从靠近发动机一端起依次安装有第二主减速齿轮2、九档从动齿轮3、第一同步器4、倒档主动齿轮5、第二同步器6、六档从动齿轮7、第三同步器8及二档从动齿轮9。其中，第二主减速齿轮2、九档从动齿轮3及第一同步器4安装在第二内输出轴1上，倒档主动齿轮5、第二同步器6、六档从动齿轮7、第三同步器8及二档从动齿轮9安装在第二外输出轴10上。On the second inner output shaft 1 and the second outer output shaft 10, the second final reduction gear 2, the ninth gear driven gear 3, the first synchronizer 4, the reverse gear driving gear 5, the second final reduction gear 2, and the second gear are installed sequentially from one end close to the engine. Synchronizer 6, sixth gear driven gear 7, third synchronizer 8 and second gear driven gear 9. Wherein, the second final reduction gear 2, the ninth gear driven gear 3 and the first synchronizer 4 are installed on the second inner output shaft 1, the reverse gear driving gear 5, the second synchronizer 6, the sixth gear driven gear 7, The third synchronizer 8 and the second gear driven gear 9 are installed on the second outer output shaft 10 .
二档主动齿轮13与二档从动齿轮9常啮合，三档主动齿轮33与三档从动齿轮22常啮合，四六档主动齿轮12同时与六档从动齿轮7及四档从动齿轮21常啮合，七九档主动齿轮32同时与七档从动齿轮27及九档从动齿轮3常啮合，八档主动齿轮15与八档从动齿轮19常啮合，倒档主动齿轮5与三档从动齿轮22常啮合；内输入轴14和外输入轴28上的各齿轮均通过焊接、花键、过盈压装等方式固定在对应的轴上或者直接在对应的轴上形成，第一内输出轴17、第一外输出轴18、第二内输出轴1和第二外输出轴10上除了第一主减速齿轮26与第二主减速齿轮2之外的各齿轮均通过轴承空套在对应的轴上，第一主减速齿轮26固定在第一内输出轴17上，第二主减速齿轮2固定在第二内输出轴1上，各同步器的齿毂均通过花键连接在对应的轴上。The second gear driving gear 13 is in constant mesh with the second gear driven gear 9, the third gear driving gear 33 is in constant mesh with the third gear driven gear 22, the fourth and sixth gears driving gear 12 are in constant mesh with the sixth gear driven gear 7 and the fourth gear driven gear 21 is constantly meshed, the driving gear 32 of the seventh and ninth gears is constantly meshed with the driven gear 27 of the seventh gear and the driven gear 3 of the ninth gear, the driving gear 15 of the eighth gear is constantly meshed with the driven gear 19 of the eighth gear, and the driving gear 5 of the reverse gear is in constant mesh with the driven gear of the third gear The gear driven gear 22 is constantly meshed; the gears on the inner input shaft 14 and the outer input shaft 28 are all fixed on the corresponding shafts by welding, splines, interference press-fitting, etc. or directly formed on the corresponding shafts. Each gear except the first final reduction gear 26 and the second final reduction gear 2 on the inner output shaft 17, the first outer output shaft 18, the second inner output shaft 1 and the second outer output shaft 10 passes through the bearing cavity. Set on the corresponding shaft, the first main reduction gear 26 is fixed on the first inner output shaft 17, the second main reduction gear 2 is fixed on the second inner output shaft 1, and the gear hubs of each synchronizer are connected by splines on the corresponding axis.
三档主动齿轮33及倒档主动齿轮5同时与三档从动齿轮22为常啮合，并且为共面齿轮组。六档从动齿轮7及四档从动齿轮21同时与四六档主动齿轮12为常啮合，并且为共面齿轮组。七档从动齿轮27及九档从动齿轮3同时与七九档主动齿轮32为常啮合，并且为共面齿轮组。第一主减速齿轮26及第二主减速齿轮2同时与差速器齿圈24为常啮合，并且为共面齿轮组。The third gear driving gear 33 and the reverse gear driving gear 5 are in constant mesh with the third gear driven gear 22 at the same time, and are coplanar gear sets. The sixth gear driven gear 7 and the fourth gear driven gear 21 are in constant mesh with the fourth and sixth gears 12 at the same time, and are coplanar gear sets. The seventh gear driven gear 27 and the ninth gear driven gear 3 are constantly meshed with the seventh and ninth gears 32 simultaneously, and are coplanar gear sets. The first final reduction gear 26 and the second final reduction gear 2 are in constant mesh with the differential ring gear 24 at the same time, and are co-planar gear sets.
第一同步器4可与九档从动齿轮3及第二外输出轴10接合。在本实施例中，第二同步器6可与倒档主动齿轮5及六档从动齿轮7接合，第三同步器8可与二档从动齿轮9接合，但不以此为限，在其他实施例中也可以设置为：第二同步器6可与倒档主动齿轮5接合，第三同步器8可与六档从动齿轮7及二档从动齿轮9接合。第四同步器16可与第一外输出轴18接合。第五同步器20可与八档从动齿轮19及四档从动齿轮21接合。第六同步器25可与七档从动齿轮27及三档从动齿轮22接合。具体地，第一外输出轴18于远离发动机的一端设有第一接合部35，第四同步器16可与第一接合部35接合；第二外输出轴10于靠向发动机的一端设有第二接合部36，第一同步器4可与第二接合部36接合。通过第四同步器16与第一外输出轴18的接合，可以实现动力在第一外输出轴18与第一内输出轴17之间进行传递；通过第一同步器4与第二外输出轴10的接合，可以实现动力在第二外输出轴10与第二内输出轴1之间进行传递。The first synchronizer 4 is engageable with the ninth-speed driven gear 3 and the second outer output shaft 10 . In this embodiment, the second synchronizer 6 can be engaged with the reverse driving gear 5 and the sixth-speed driven gear 7, and the third synchronizer 8 can be engaged with the second-speed driven gear 9, but it is not limited thereto. In other embodiments, it can also be set as follows: the second synchronizer 6 can be engaged with the reverse drive gear 5 , and the third synchronizer 8 can be engaged with the sixth-speed driven gear 7 and the second-speed driven gear 9 . The fourth synchronizer 16 is engageable with the first outer output shaft 18 . The fifth synchronizer 20 is engageable with the eighth-speed driven gear 19 and the fourth-speed driven gear 21 . The sixth synchronizer 25 is engageable with the seventh-speed driven gear 27 and the third-speed driven gear 22 . Specifically, the first outer output shaft 18 is provided with a first engaging portion 35 at an end away from the engine, and the fourth synchronizer 16 can be engaged with the first engaging portion 35; the second outer output shaft 10 is provided with an end near the engine. The second engaging portion 36 with which the first synchronizer 4 can engage. Through the engagement of the fourth synchronizer 16 and the first outer output shaft 18, power can be transmitted between the first outer output shaft 18 and the first inner output shaft 17; through the first synchronizer 4 and the second outer output shaft 10 can realize power transmission between the second outer output shaft 10 and the second inner output shaft 1 .
各轴均通过轴承支撑在变速器壳体(图未示)上。Each shaft is supported on the transmission housing (not shown) through bearings.
本实施例的自动变速器在工作时各档动力传动如下：Each gear power transmission of the automatic transmission of the present embodiment is as follows when working:
一档动力传动路线：第六同步器25和三档从动齿轮22接合，第五同步器20和四档从动齿轮21接合，第三同步器8和二档从动齿轮9接合，第一同步器4和第二外输出轴10接合。第二离合器31闭合，发动机扭矩通过第二离合器31传递给外输入轴28上的三档主动齿轮33，经由三档主动齿轮33传到三档从动齿轮22，由三档从动齿轮22与第六同步器25的接合将扭矩传递到第五同步器20，由第五同步器20与四档从动齿轮21的接合将扭矩传递到内输入轴14上，再由内输入轴14上的二档主动齿轮13传递到二档从动齿轮9，由二档从动齿轮9与第三同步器8的接合将扭矩传递到第二外输出轴10，再由第二外输出轴10与第一同步器4的接合将扭矩传递到第二内输出轴1上的第二主减速齿轮2，再通过差速器齿圈24，并最终由差速器23输出动力。First-speed power transmission route: the sixth synchronizer 25 is engaged with the third-speed driven gear 22, the fifth synchronizer 20 is engaged with the fourth-speed driven gear 21, the third synchronizer 8 is engaged with the second-speed driven gear 9, and the first The synchronizer 4 and the second outer output shaft 10 are engaged. The second clutch 31 is closed, and the engine torque is transmitted to the third gear driving gear 33 on the external input shaft 28 by the second clutch 31, and then to the third gear driven gear 22 via the third gear driving gear 33, and then the third gear driven gear 22 and The engagement of the sixth synchronizer 25 transmits the torque to the fifth synchronizer 20, and the engagement of the fifth synchronizer 20 and the fourth-speed driven gear 21 transmits the torque to the inner input shaft 14, and then the torque is transmitted to the inner input shaft 14 by The driving gear 13 of the second gear is transmitted to the driven gear 9 of the second gear, and the torque is transmitted to the second outer output shaft 10 by the engagement of the driven gear 9 of the second gear and the third synchronizer 8, and then the second outer output shaft 10 is connected with the second outer output shaft 10. The engagement of a synchronizer 4 transmits the torque to the second final reduction gear 2 on the second inner output shaft 1 , then passes through the differential ring gear 24 , and finally outputs power from the differential 23 .
二档动力传动路线：第三同步器8和二档从动齿轮9接合，第一同步器4和第二外输出轴10接合。第一离合器30闭合，发动机扭矩通过第一离合器30传递给内输入轴14，经由固定在内输入轴14上的二档主动齿轮13传到二档从动齿轮9，再由二档从动齿轮9与第三同步器8的接合将扭矩传递到第二外输出轴10上，再由第二外输出轴10与第一同步器4的接合将扭矩传递到第二内输出轴1上的第二主减速齿轮2，再通过差速器齿圈24，并最终由差速器23输出动力。Second gear power transmission route: the third synchronizer 8 is engaged with the second gear driven gear 9 , and the first synchronizer 4 is engaged with the second outer output shaft 10 . The first clutch 30 is closed, and the engine torque is transmitted to the inner input shaft 14 through the first clutch 30, and then to the second-speed driven gear 9 via the second-speed driving gear 13 fixed on the inner input shaft 14, and then the second-speed driven gear The engagement of 9 with the third synchronizer 8 transmits the torque to the second outer output shaft 10, and the engagement of the second outer output shaft 10 with the first synchronizer 4 transmits the torque to the second inner output shaft 1. The second final reduction gear 2 passes through the differential gear ring gear 24, and finally the power is output by the differential gear 23.
三档动力传动路线：第六同步器25和三档从动齿轮22接合，第四同步器16和第一外输出轴18接合。第二离合器31闭合，发动机扭矩通过第二离合器31传递给外输入轴28上的三档主动齿轮33，经由三档主动齿轮33传到三档从动齿轮22，由三档从动齿轮22和第六同步器25的接合将扭矩传递到第一外输出轴18上，再由第一外输出轴18与第四同步器16的接合将扭矩传递到第一内输出轴17上的第一主减速齿轮26，再通过差速器齿圈24，并最终由差速器23输出动力。Third gear power transmission line: the sixth synchronizer 25 is engaged with the third gear driven gear 22 , and the fourth synchronizer 16 is engaged with the first outer output shaft 18 . The second clutch 31 is closed, and the engine torque is transmitted to the third-speed driving gear 33 on the external input shaft 28 by the second clutch 31, and then to the third-speed driven gear 22 via the third-speed driving gear 33, and then the third-speed driven gear 22 and The engagement of the sixth synchronizer 25 transmits the torque to the first outer output shaft 18, and the engagement of the first outer output shaft 18 with the fourth synchronizer 16 transmits the torque to the first main shaft on the first inner output shaft 17. The reduction gear 26 passes through the differential gear ring gear 24, and finally the power is output by the differential gear 23.
四档动力传动路线：第五同步器20和四档从动齿轮21接合，第四同步器16和第一外输出轴18接合。第一离合器30闭合，发动机扭矩通过第一离合器30传递给内输入轴14，经由固定在内输入轴14上的四六档主动齿轮12传到四档从动齿轮21，再由四档从动齿轮21与第五同步器20的接合将扭矩传递到第一外输出轴18上，再由第一外输出轴18与第四同步器16的接合将扭矩传递到第一内输出轴17上的第一主减速齿轮26，再通过差速器齿圈24，并最终由差速器23输出动力。Fourth gear power transmission route: the fifth synchronizer 20 is engaged with the fourth gear driven gear 21 , and the fourth synchronizer 16 is engaged with the first outer output shaft 18 . The first clutch 30 is closed, and the engine torque is transmitted to the inner input shaft 14 through the first clutch 30, then to the fourth gear driven gear 12 fixed on the inner input shaft 14 to the fourth gear driven gear 21, and then driven by the fourth gear. The engagement of the gear 21 and the fifth synchronizer 20 transmits the torque to the first outer output shaft 18, and then the engagement of the first outer output shaft 18 and the fourth synchronizer 16 transmits the torque to the first inner output shaft 17. The first final reduction gear 26 passes through the differential gear ring gear 24 and finally outputs power from the differential gear 23 .
五档动力传动路线：第六同步器25和三档从动齿轮22接合，第五同步器20和四档从动齿轮21接合，第二同步器6和六档从动齿轮7接合，第一同步器4和第二外输出轴10接合。第二离合器31闭合，发动机扭矩通过第二离合器31传递给外输入轴28上的三档主动齿轮33，经由三档主动齿轮33传到三档从动齿轮22，由三档从动齿轮22和第六同步器25的接合将扭矩传递到第一外输出轴18上的第五同步器20，再由第五同步器20与四档从动齿轮21的接合将扭矩传递到内输入轴14上的四六档主动齿轮12，四六档主动齿轮12将扭矩传递到六档从动齿轮7，由六档从动齿轮7与第二同步器6的接合将扭矩传递到第二外输出轴10上，再由第二外输出轴10与第一同步器4的接合将扭矩传递到第二内输出轴1上的第二主减速齿轮2，再通过差速器齿圈24，并最终由差速器23输出动力。Fifth-speed power transmission route: the sixth synchronizer 25 engages with the third-speed driven gear 22, the fifth synchronizer 20 engages with the fourth-speed driven gear 21, the second synchronizer 6 engages with the sixth-speed driven gear 7, and the first The synchronizer 4 and the second outer output shaft 10 are engaged. The second clutch 31 is closed, and the engine torque is transmitted to the third-speed driving gear 33 on the external input shaft 28 by the second clutch 31, and then to the third-speed driven gear 22 via the third-speed driving gear 33, and then the third-speed driven gear 22 and The engagement of the sixth synchronizer 25 transmits the torque to the fifth synchronizer 20 on the first outer output shaft 18 , and the engagement of the fifth synchronizer 20 with the fourth gear driven gear 21 transmits the torque to the inner input shaft 14 4th and 6th gear driving gear 12, the 4th and 6th gear driving gear 12 transmits the torque to the 6th gear driven gear 7, and the torque is transmitted to the second outer output shaft 10 by the engagement of the 6th gear driven gear 7 and the second synchronizer 6 , then the torque is transmitted to the second final reduction gear 2 on the second inner output shaft 1 by the engagement of the second outer output shaft 10 and the first synchronizer 4, then through the differential ring gear 24, and finally by the differential Gearbox 23 output power.
六档动力传动路线：第二同步器6和六档从动齿轮7接合，第一同步器4和第二外输出轴10接合。第一离合器30闭合，发动机扭矩通过第一离合器30传递给内输入轴14，经由固定在内输入轴14上的四六档主动齿轮12传到六档从动齿轮7，再由六档从动齿轮7与第二同步器6的接合将扭矩传递到第二外输出轴10上，再由第二外输出轴10与第一同步器4的接合将扭矩传递到第二内输出轴1上的第二主减速齿轮2，再通过差速器齿圈24，并最终由差速器23输出动力。Sixth gear power transmission line: the second synchronizer 6 is engaged with the sixth gear driven gear 7 , and the first synchronizer 4 is engaged with the second outer output shaft 10 . The first clutch 30 is closed, and the engine torque is transmitted to the inner input shaft 14 through the first clutch 30, then to the sixth-speed driven gear 7 via the fourth- and sixth-speed driving gears 12 fixed on the inner input shaft 14, and then the sixth-speed driven gear 7 The engagement of the gear 7 with the second synchronizer 6 transmits the torque to the second outer output shaft 10, and then the engagement of the second outer output shaft 10 with the first synchronizer 4 transmits the torque to the second inner output shaft 1 The second final reduction gear 2 passes through the differential gear ring gear 24 and finally outputs power from the differential gear 23 .
七档动力传动路线：第六同步器25和七档从动齿轮27接合，第四同步器16和第一外输出轴18接合。第二离合器31闭合，发动机扭矩通过第二离合器31传递给外输入轴28上的七九档主动齿轮32，七九档主动齿轮32将扭矩传递到七档从动齿轮27，由七档从动齿轮27和第六同步器25的接合将扭矩传递到第一外输出轴18上，再由第一外输出轴18与第四同步器16的接合将扭矩传递到第一内输出轴17上的第一主减速齿轮26，再通过差速器齿圈24，并最终由差速器23输出动力。Seventh gear power transmission route: the sixth synchronizer 25 is engaged with the seventh gear driven gear 27 , and the fourth synchronizer 16 is engaged with the first outer output shaft 18 . The second clutch 31 is closed, and the engine torque is transmitted to the seventh and ninth gears 32 on the external input shaft 28 through the second clutch 31, and the seventh and ninth gears 32 transmit the torque to the seventh gear driven gear 27, which is driven by the seventh gear. The engagement of the gear 27 and the sixth synchronizer 25 transmits the torque to the first outer output shaft 18, and the engagement of the first outer output shaft 18 and the fourth synchronizer 16 transmits the torque to the first inner output shaft 17. The first final reduction gear 26 passes through the differential gear ring gear 24 and finally outputs power from the differential gear 23 .
八档动力传动路线：第五同步器20和八档从动齿轮19接合，第四同步器16和第一外输出轴18接合。第一离合器30闭合，发动机扭矩通过第一离合器30传递给内输入轴14，经由固定在内输入轴14上的八档主动齿轮15传到八档从动齿轮19，由八档从动齿轮19与第五同步器20的接合将扭矩传递到第一外输出轴18上，再由第一外输出轴18与第四同步器16的接合将扭矩传递到第一内输出轴17上的第一主减速齿轮26，再通过差速器齿圈24，并最终由差速器23输出动力。Eighth-speed power transmission line: the fifth synchronizer 20 is engaged with the eighth-speed driven gear 19 , and the fourth synchronizer 16 is engaged with the first outer output shaft 18 . The first clutch 30 is closed, and the engine torque is transmitted to the inner input shaft 14 through the first clutch 30, and then to the eighth-speed driven gear 19 via the eighth-speed driving gear 15 fixed on the inner input shaft 14, and the eighth-speed driven gear 19 The engagement with the fifth synchronizer 20 transmits the torque to the first outer output shaft 18, and the engagement of the first outer output shaft 18 with the fourth synchronizer 16 transmits the torque to the first inner output shaft 17. The final reduction gear 26 passes through the differential gear ring gear 24 and finally outputs power from the differential gear 23 .
九档动力传动路线：第一同步器4和九档从动齿轮3接合。第二离合器31闭合，发动机扭矩通过第二离合器31传递给外输入轴28上的七九档主动齿轮32，七九档主动齿轮32将扭矩传递到九档从动齿轮3，由九档从动齿轮3和第一同步器4的接合将扭矩传递到第二内输出轴1上的第二主减速齿轮2，再通过差速器齿圈24，并最终由差速器23输出动力。Nine-speed power transmission route: the first synchronizer 4 is engaged with the ninth-speed driven gear 3 . The second clutch 31 is closed, and the engine torque is transmitted to the seventh and ninth gears 32 on the outer input shaft 28 through the second clutch 31. The seventh and ninth gears 32 transmit the torque to the ninth gear driven gear 3, and the ninth gear is driven by the ninth gear. The engagement of the gear 3 and the first synchronizer 4 transmits the torque to the second final reduction gear 2 on the second inner output shaft 1 , then passes through the differential ring gear 24 , and finally outputs power from the differential 23 .
十档动力传动路线：第五同步器20和八档从动齿轮19接合，第六同步器25和七档从动齿轮27接合，第一同步器4和九档从动齿轮3接合。第一离合器30闭合，发动机扭矩通过第一离合器30传递给内输入轴14上的八档主动齿轮15，八档主动齿轮15将扭矩传递到八档从动齿轮19，由八档从动齿轮19和第五同步器20的接合将扭矩传递到第一外输出轴18上的第六同步器25，再由第六同步器25与七档从动齿轮27的接合将扭矩传递到外输入轴28上的七九档主动齿轮32，七九档主动齿轮32将扭矩传递到九档从动齿轮3，再由九档从动齿轮3与第一同步器4的接合将扭矩传递到第二内输出轴1上的第二主减速齿轮2，再通过差速器齿圈24，并最终由差速器23输出动力。Tenth gear power transmission line: the fifth synchronizer 20 engages with the eighth gear driven gear 19 , the sixth synchronizer 25 engages with the seventh gear driven gear 27 , and the first synchronizer 4 engages with the ninth gear driven gear 3 . The first clutch 30 is closed, and the engine torque is transmitted to the eighth-speed driving gear 15 on the inner input shaft 14 through the first clutch 30, and the eighth-speed driving gear 15 transmits the torque to the eighth-speed driven gear 19, and the eighth-speed driven gear 19 The engagement with the fifth synchronizer 20 transmits the torque to the sixth synchronizer 25 on the first outer output shaft 18, and the engagement of the sixth synchronizer 25 with the seventh-speed driven gear 27 transmits the torque to the outer input shaft 28 7th and 9th gear driving gear 32, the 7th and 9th gear driving gear 32 transmits the torque to the 9th gear driven gear 3, and then the torque is transmitted to the second internal output by the engagement of the 9th gear 3 and the first synchronizer 4 The second final reduction gear 2 on the shaft 1 passes through the differential ring gear 24 and finally outputs power from the differential 23 .
倒档动力传动路线：第三同步器8和二档从动齿轮9接合，第二同步器6和倒档主动齿轮5接合，第四同步器16和第一外输出轴18接合，第六同步器25和三档从动齿轮22接合。第一离合器30闭合，发动机扭矩通过第一离合器30传递给内输入轴14上的二档主动齿轮13，二档主动齿轮13将扭矩传递到二档从动齿轮9，由二档从动齿轮9和第三同步器8的接合将扭矩传递到第二外输出轴10上的第二同步器6，由于倒档主动齿轮5与三档从动齿轮22常啮合，由第二同步器6与倒档主动齿轮5的接合将扭矩传递到三档从动齿轮22，经由三档从动齿轮22与第六同步器25的接合将扭矩传递到第一外输出轴18上，再由第一外输出轴18与第四同步器16的接合将扭矩传递到第一内输出轴17上的第一主减速齿轮26，再通过差速器齿圈24，并最终由差速器23输出动力。Reverse gear power transmission route: the third synchronizer 8 is engaged with the second gear driven gear 9, the second synchronizer 6 is engaged with the reverse driving gear 5, the fourth synchronizer 16 is engaged with the first outer output shaft 18, and the sixth synchronizer gear 25 and the third speed driven gear 22 are engaged. The first clutch 30 is closed, and the engine torque is transmitted to the second gear driving gear 13 on the inner input shaft 14 through the first clutch 30, and the second gear driving gear 13 transmits the torque to the second gear driven gear 9, and the second gear driven gear 9 Engagement with the third synchronizer 8 transmits torque to the second synchronizer 6 on the second outer output shaft 10. Since the reverse driving gear 5 is constantly meshed with the third gear driven gear 22, the second synchronizer 6 and the reverse The engagement of the gear driving gear 5 transmits the torque to the third gear driven gear 22, and through the engagement of the third gear driven gear 22 and the sixth synchronizer 25, the torque is transmitted to the first outer output shaft 18, and then the first outer output shaft 18 is output by the first outer output shaft. The engagement of the shaft 18 with the fourth synchronizer 16 transmits the torque to the first final reduction gear 26 on the first inner output shaft 17 , through the differential ring gear 24 , and finally the output power from the differential 23 .
本发明实施例的十速双离合自动变速器，适合应用于前横置前驱轿车上，其包括内输入轴、与内输入轴嵌套设置的外输入轴、第一内输出轴、与第一内输出轴嵌套设置的第一外输出轴、第二内输出轴、及与第二内输出轴嵌套设置的第二外输出轴，该自动变速器采用两组嵌套布置的输出轴结构，其中每组嵌套布置的两根输出轴之间通过一个同步器实现动力的传递，通过借用档位的方式，实现了十个前进挡和一个倒档，整个变速箱结构紧凑轴向尺寸小、所需安装空间较小、结构较简单易于加工，在与普通七、八个档位变速器具有相同外型尺寸的前提下可设置十个档位，传动比分配更加合理，使发动机有更多的几率工作在其最佳区域，提高动力性和经济性。The ten-speed dual-clutch automatic transmission according to the embodiment of the present invention is suitable for use on a front-transverse front-drive car, and it includes an inner input shaft, an outer input shaft nested with the inner input shaft, a first inner output shaft, and a first inner input shaft. The first outer output shaft, the second inner output shaft, and the second outer output shaft nested with the second inner output shaft, the automatic transmission adopts two sets of nested output shaft structures, wherein The transmission of power is realized through a synchronizer between the two output shafts nested in each group. By borrowing gears, ten forward gears and one reverse gear are realized. The entire gearbox has a compact structure, small axial size, and The installation space is small, the structure is relatively simple and easy to process, and ten gears can be set under the premise of the same size as the ordinary seven- and eight-gear transmission, and the distribution of transmission ratio is more reasonable, so that the engine has more chances Works in its optimum zone for improved power and economy.
在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，除了包含所列的那些要素，而且还可包含没有明确列出的其他要素。As used herein, the terms "comprises", "comprises" or any other variation thereof are intended to cover a non-exclusive inclusion of elements other than those listed and also other elements not expressly listed.
在本文中，所涉及的前、后、上、下等方位词是以附图中零部件位于图中以及零部件相互之间的位置来定义的，只是为了表达技术方案的清楚及方便。应当理解，所述方位词的使用不应限制本申请请求保护的范围。In this article, the orientation words such as front, rear, upper, and lower involved are defined by the parts in the drawings and the positions between the parts in the drawings, just for the clarity and convenience of expressing the technical solution. It should be understood that the use of the location words should not limit the scope of protection claimed in this application.
在不冲突的情况下，本文中上述实施例及实施例中的特征可以相互结合。In the case of no conflict, the above-mentioned embodiments and features in the embodiments herein may be combined with each other.
以上所述仅为本发明的较佳实施例，并不用以限制本发明，凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection of the present invention. within range.
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