WO2020103699A1 - Automatic transmission - Google Patents
Automatic transmissionInfo
- Publication number
- WO2020103699A1 WO2020103699A1 PCT/CN2019/116469 CN2019116469W WO2020103699A1 WO 2020103699 A1 WO2020103699 A1 WO 2020103699A1 CN 2019116469 W CN2019116469 W CN 2019116469W WO 2020103699 A1 WO2020103699 A1 WO 2020103699A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- row
- planetary gear
- gear mechanism
- output shaft
- automatic transmission
- Prior art date
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/44—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion using gears having orbital motion
- F16H3/62—Gearings having three or more central gears
Definitions
- the invention relates to the field of shifting devices, in particular to an automatic shifting device.
- variable speed devices are widely used in machine tools, motor vehicles, and other machines or transmission systems that require variable speed.
- a speed change device is one of the most important components in a motor vehicle transmission system.
- the speed change device of the motor vehicle changes the torque of the engine crankshaft by changing the transmission ratio, and adapts to the different needs of the traction and speed of the driving wheels under different driving conditions such as starting, accelerating, driving, and overcoming various road obstacles.
- the object of the present invention is to provide an automatic transmission device with a simple and reasonable structure, compact components, high transmission efficiency, and output with different reduction ratios.
- An automatic transmission device includes a casing, an input shaft and an output shaft with coincident shaft centers, a central sun gear sleeved on the output shaft, a front planetary gear mechanism sleeved on the central sun gear, a middle row planetary gear mechanism and a rear Row planetary gear mechanism, the input shaft and the output shaft are respectively mounted on the housing through a first bearing, the front row planetary gear mechanism is connected to the input shaft, and the middle row planetary gear mechanism passes through the first clutch and the front The planetary gear mechanism is connected, and the rear planetary gear mechanism is connected to the output shaft through the second clutch.
- the front-row planetary gear mechanism includes a front-row ring gear connected to the input shaft, a front-row planetary carrier and a front-row planetary gear connected to the output shaft, the front-row planetary carrier passes through the first clutch and the middle-row planetary gear Agency connection.
- the middle-row planetary gear mechanism includes a middle-row ring gear, a middle-row planetary gear and a middle-row planetary carrier, and the middle-row ring gear is connected to the front-row planetary carrier through the first clutch.
- the rear-row planetary gear mechanism includes a rear-row planetary carrier, a rear-row ring gear and a rear-row planetary gear, and the rear-row ring gear is connected to the output shaft through a second clutch.
- the front-row brake installed inside the casing, the front-row brake being connected to the middle-row planet carrier.
- the center wheel brake installed inside the casing, and the center wheel brake is connected to the center sun gear.
- the rear brake installed inside the casing, and the rear brake is connected to the rear planetary carrier.
- front row gear ring is also connected to the output shaft through a second bearing.
- a third bearing is provided between the central sun gear and the output shaft.
- the one or more technical solutions provided by the embodiments of the present invention have at least the following beneficial effects: the front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear mechanism share a central sun gear, and the three row planetary gear mechanisms are different With the first clutch and the second clutch to realize the output of different speed ratios from the input shaft to the output shaft.
- the structure is simple and reasonable, the components are compact, the transmission efficiency is high, and the output of different speed ratios is realized.
- FIG. 1 is a schematic structural diagram of an automatic transmission device according to an embodiment of the present invention.
- FIG. 2 is a schematic diagram of a working condition 1 of an automatic transmission device according to an embodiment of the present invention
- FIG. 3 is a schematic diagram of a working condition 2 of an automatic transmission device according to an embodiment of the present invention.
- FIG. 4 is a schematic diagram of the working condition 3 of an automatic transmission device according to an embodiment of the present invention.
- an embodiment of the present invention provides an automatic transmission device including a housing 19, an input shaft 1 and an output shaft 17 whose axes are coincident, a central sun gear 16 sleeved on the output shaft 17, and a sleeve placed in the center
- the front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear mechanism on the sun gear 16, the input shaft 1 and the output shaft 17 are respectively mounted on the casing 19 through the first bearing 18, and the front row planets
- a gear mechanism is connected to the input shaft 1, the middle-row planetary gear mechanism is connected to the front-row planetary gear mechanism through the first clutch 5, and the rear-row planetary gear mechanism is connected to the output shaft 17 through the second clutch 15.
- the front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear mechanism share a central sun gear 16, the three row planetary gear mechanism has different reduction ratios, and cooperates with the first clutch 5 and the first
- the second clutch 15 realizes the output of different speed ratios from the input shaft to the output shaft.
- the structure is simple and reasonable, the components are compact, the transmission efficiency is high, and the output of different speed reduction ratios is realized.
- another embodiment of the present invention further provides an automatic transmission device, wherein the front planetary gear mechanism includes a front ring gear 2 connected to the input shaft 1 and a front planetary carrier connected to the output shaft 17 3 and the front planetary gear 4, the front planetary carrier 3 is connected to the middle planetary gear mechanism through the first clutch 5.
- the front planetary gear mechanism includes a front ring gear 2 connected to the input shaft 1 and a front planetary carrier connected to the output shaft 17 3 and the front planetary gear 4, the front planetary carrier 3 is connected to the middle planetary gear mechanism through the first clutch 5.
- the power is input from the input shaft 1 through the front ring gear 2 to the automatic transmission.
- another embodiment of the present invention further provides an automatic transmission device, wherein the middle-row planetary gear mechanism includes a middle-row ring gear 6, a middle-row planet gear 7 and a middle-row planet carrier 8, the middle-row ring gear 6 is connected to the front planetary carrier 3 via the first clutch 5.
- the middle-row planetary gear mechanism includes a middle-row ring gear 6, a middle-row planet gear 7 and a middle-row planet carrier 8, the middle-row ring gear 6 is connected to the front planetary carrier 3 via the first clutch 5.
- another embodiment of the present invention also provides an automatic transmission device, wherein the rear planetary gear mechanism includes a rear planetary carrier 12, a rear ring gear 13 and a rear planetary gear 14, the rear ring gear 13 is connected to the output shaft 17 via the second clutch 15.
- the rear planetary gear mechanism includes a rear planetary carrier 12, a rear ring gear 13 and a rear planetary gear 14, the rear ring gear 13 is connected to the output shaft 17 via the second clutch 15.
- another embodiment of the present invention further provides an automatic transmission device, which further includes a front-row brake 9 installed inside the casing 19, and the front-row brake 9 is connected to the middle-row planet carrier 8.
- another embodiment of the present invention further provides an automatic transmission device, which further includes a center wheel brake 10 installed inside the casing 19, and the center wheel brake 10 is connected to the center sun gear 16.
- another embodiment of the present invention further provides an automatic transmission device, which further includes a rear brake 11 installed inside the housing 19, and the rear brake 11 is connected to the rear planetary carrier 12.
- another embodiment of the present invention also provides an automatic transmission device, wherein the front ring gear 2 is further connected to the output shaft 17 via a second bearing 20.
- another embodiment of the present invention further provides an automatic transmission device, wherein a third bearing 21 is provided between the sun gear 16 and the output shaft 17.
- another embodiment of the present invention further provides an automatic transmission device, wherein two third bearings 21 are provided, which are located at both ends of the central sun gear 16, respectively.
- an automatic transmission device which includes a housing 19, an input shaft 1 and an output shaft 17 whose axes are coincident, a central sun gear 16 sleeved on the output shaft 17, and a central sun gear
- the front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear mechanism on the gear 16, the input shaft 1 and the output shaft 17 are respectively mounted on the casing 19 through the first bearing 18, and the front row planetary gear
- the mechanism is connected to the input shaft 1, the middle-row planetary gear mechanism is connected to the front-row planetary gear mechanism through the first clutch 5, and the rear-row planetary gear mechanism is connected to the output shaft 17 through the second clutch 15;
- the row planetary gear mechanism includes a front row gear ring 2 connected to the input shaft 1, a front row planet carrier 3 and a front row planetary gear 4 connected to the output shaft 17;
- the middle row planetary gear mechanism includes a middle row ring gear 6, middle Row planetary gear 7 and middle row planetary carrier 8, middle row ring gear 6 are connected to
- Working condition 2 Referring to FIG. 3, the front brake 9 brakes, the power is input from the input shaft 1, and successively passes through the front ring gear 2, the front planetary gear 4, the central sun gear 16, the center row planetary gear 7 and the center row
- the ring gear 6 is transmitted to the front planetary carrier 3 through the first clutch 5, and finally output from the front planetary carrier 3 to the output shaft 17.
- Working condition 3 Referring to FIG. 4, the center wheel brake 10 brakes, the power is input from the input shaft 1, passes through the front ring gear 2, the front planet gears 4 and the front planet carrier 3, and is output to the output shaft 17.
Abstract
An automatic transmission, comprising a housing (19), an input shaft (1) and an output shaft (17) of which the axes coincide with each other, a central sun gear (16) sleeved on the output shaft (17), as well as a front-row planetary gear mechanism, a middle-row planetary gear mechanism, and a rear-row planetary gear mechanism sleeved on the central sun gear (16). The input shaft (1) and the output shaft (17) are mounted on the housing (19) by means of first bearings (18), respectively. The front-row planetary gear mechanism is connected to the input shaft (1), the middle-row planetary gear mechanism is connected to the front-row planetary gear mechanism by means of a first clutch (5), and the rear-row planetary gear mechanism is connected to the output shaft (17) by means of a second clutch (15). The automatic transmission can achieve output of different gear ratios from the input shaft (1) to the output shaft (17), has a simple and reasonable structure, compact components and high transmission efficiency, and also achieves output of different reduction ratios.
Description
本发明涉及变速装置领域，特别是一种自动变速装置。The invention relates to the field of shifting devices, in particular to an automatic shifting device.
现阶段，变速装置广泛用于机床、机动车和其他需要变速的机器或传动系统上。以机动车为例，在机动车制造业内，变速装置属于机动车传动系统中的最主要的部件之一。机动车的变速装置是通过改变传动比，改变发动机曲轴的扭力，适应在起步、加速、行驶以及克服各种道路阻碍等的不同行驶条件下对驱动车轮的牵引力以及车速的不同需要。At this stage, variable speed devices are widely used in machine tools, motor vehicles, and other machines or transmission systems that require variable speed. Taking a motor vehicle as an example, in the motor vehicle manufacturing industry, a speed change device is one of the most important components in a motor vehicle transmission system. The speed change device of the motor vehicle changes the torque of the engine crankshaft by changing the transmission ratio, and adapts to the different needs of the traction and speed of the driving wheels under different driving conditions such as starting, accelerating, driving, and overcoming various road obstacles.
目前，大多数变速装置为了达到不同的变速效果，一般都设置有相对复杂的结构，造成变速装置体积庞大，传动效率不高的情况出现。At present, in order to achieve different speed-changing effects, most speed-changing devices are generally provided with relatively complicated structures, resulting in a large volume of the speed-changing device and a low transmission efficiency.
发明内容Summary of the invention
为解决上述问题，本发明的目的在于提供一种自动变速装置，结构简单合理，部件紧凑，传动效率高，实现不同的减速比输出。In order to solve the above problems, the object of the present invention is to provide an automatic transmission device with a simple and reasonable structure, compact components, high transmission efficiency, and output with different reduction ratios.
本发明解决其问题所采用的技术方案是：The technical solutions adopted by the present invention to solve its problems are:
一种自动变速装置，包括机壳、轴心重合的输入轴和输出轴、套在输出轴上的中心太阳齿轮以及套在中心太阳齿轮上的前排行星齿轮机构、中排行星齿轮机构和后排行星齿轮机构，所述输入轴和输出轴分别通过第一轴承安装在机壳上，所述前排行星齿轮机构和所述输 入轴连接，所述中排行星齿轮机构通过第一离合器和前排行星齿轮机构连接，所述后排行星齿轮机构通过第二离合器和输出轴连接。An automatic transmission device includes a casing, an input shaft and an output shaft with coincident shaft centers, a central sun gear sleeved on the output shaft, a front planetary gear mechanism sleeved on the central sun gear, a middle row planetary gear mechanism and a rear Row planetary gear mechanism, the input shaft and the output shaft are respectively mounted on the housing through a first bearing, the front row planetary gear mechanism is connected to the input shaft, and the middle row planetary gear mechanism passes through the first clutch and the front The planetary gear mechanism is connected, and the rear planetary gear mechanism is connected to the output shaft through the second clutch.
进一步，所述前排行星齿轮机构包括与输入轴连接的前排齿圈、与输出轴连接的前排行星架和前排行星齿轮，所述前排行星架通过第一离合器和中排行星齿轮机构连接。Further, the front-row planetary gear mechanism includes a front-row ring gear connected to the input shaft, a front-row planetary carrier and a front-row planetary gear connected to the output shaft, the front-row planetary carrier passes through the first clutch and the middle-row planetary gear Agency connection.
进一步，所述中排行星齿轮机构包括中排齿圈、中排行星齿轮和中排行星架，中排齿圈通过第一离合器和前排行星架相连接。Further, the middle-row planetary gear mechanism includes a middle-row ring gear, a middle-row planetary gear and a middle-row planetary carrier, and the middle-row ring gear is connected to the front-row planetary carrier through the first clutch.
进一步，所述后排行星齿轮机构包括后排行星架、后排齿圈和后排行星齿轮，后排齿圈通过第二离合器和输出轴连接。Further, the rear-row planetary gear mechanism includes a rear-row planetary carrier, a rear-row ring gear and a rear-row planetary gear, and the rear-row ring gear is connected to the output shaft through a second clutch.
进一步，还包括安装在机壳内部的前排制动器，所述前排制动器与中排行星架连接。Further, it also includes a front-row brake installed inside the casing, the front-row brake being connected to the middle-row planet carrier.
进一步，还包括安装在机壳内部的中心轮制动器，所述中心轮制动器与中心太阳齿轮连接。Further, it also includes a center wheel brake installed inside the casing, and the center wheel brake is connected to the center sun gear.
进一步，还包括安装在机壳内部的后排制动器，所述后排制动器与后排行星架连接。Further, it also includes a rear brake installed inside the casing, and the rear brake is connected to the rear planetary carrier.
进一步，所述前排齿圈还通过第二轴承和输出轴连接。Further, the front row gear ring is also connected to the output shaft through a second bearing.
进一步，所述中心太阳齿轮和输出轴之间设置有第三轴承。Further, a third bearing is provided between the central sun gear and the output shaft.
进一步，所述第三轴承设置有两个，分别位于中心太阳齿轮两端。Further, there are two third bearings, which are located at both ends of the central sun gear.
本发明实施例提供的一个或者多个技术方案，至少具有如下有益效果：前排行星齿轮机构、中排行星齿轮机构和后排行星齿轮机构通过共用一个中心太阳齿轮，三排行星齿轮机构有不同的减速比，并配 合第一离合器和第二离合器，实现从输入轴到输出轴的不同变速比输出，结构简单合理，部件紧凑，传动效率高，实现不同的减速比输出。The one or more technical solutions provided by the embodiments of the present invention have at least the following beneficial effects: the front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear mechanism share a central sun gear, and the three row planetary gear mechanisms are different With the first clutch and the second clutch to realize the output of different speed ratios from the input shaft to the output shaft. The structure is simple and reasonable, the components are compact, the transmission efficiency is high, and the output of different speed ratios is realized.
下面结合附图和实例对本发明作进一步说明。The present invention will be further described below with reference to the drawings and examples.
图1是本发明一个实施例的一种自动变速装置的结构示意图；1 is a schematic structural diagram of an automatic transmission device according to an embodiment of the present invention;
图2是本发明一个实施例的一种自动变速装置的工况1示意图；2 is a schematic diagram of a working condition 1 of an automatic transmission device according to an embodiment of the present invention;
图3是本发明一个实施例的一种自动变速装置的工况2示意图；3 is a schematic diagram of a working condition 2 of an automatic transmission device according to an embodiment of the present invention;
图4是本发明一个实施例的一种自动变速装置的工况3示意图。4 is a schematic diagram of the working condition 3 of an automatic transmission device according to an embodiment of the present invention.
参照图1，本发明的一个实施例提供了一种自动变速装置，包括机壳19、轴心重合的输入轴1和输出轴17、套在输出轴17上的中心太阳齿轮16以及套在中心太阳齿轮16上的前排行星齿轮机构、中排行星齿轮机构和后排行星齿轮机构，所述输入轴1和输出轴17分别通过第一轴承18安装在机壳19上，所述前排行星齿轮机构和所述输入轴1连接，所述中排行星齿轮机构通过第一离合器5和前排行星齿轮机构连接，所述后排行星齿轮机构通过第二离合器15和输出轴17连接。Referring to FIG. 1, an embodiment of the present invention provides an automatic transmission device including a housing 19, an input shaft 1 and an output shaft 17 whose axes are coincident, a central sun gear 16 sleeved on the output shaft 17, and a sleeve placed in the center The front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear mechanism on the sun gear 16, the input shaft 1 and the output shaft 17 are respectively mounted on the casing 19 through the first bearing 18, and the front row planets A gear mechanism is connected to the input shaft 1, the middle-row planetary gear mechanism is connected to the front-row planetary gear mechanism through the first clutch 5, and the rear-row planetary gear mechanism is connected to the output shaft 17 through the second clutch 15.
在本实施例中，前排行星齿轮机构、中排行星齿轮机构和后排行星齿轮机构通过共用一个中心太阳齿轮16，三排行星齿轮机构有不同的减速比，并配合第一离合器5和第二离合器15，实现从输入轴 到输出轴的不同变速比输出，结构简单合理，部件紧凑，传动效率高，实现不同的减速比输出。In this embodiment, the front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear mechanism share a central sun gear 16, the three row planetary gear mechanism has different reduction ratios, and cooperates with the first clutch 5 and the first The second clutch 15 realizes the output of different speed ratios from the input shaft to the output shaft. The structure is simple and reasonable, the components are compact, the transmission efficiency is high, and the output of different speed reduction ratios is realized.
进一步地，本发明的另一个实施例还提供一种自动变速装置，其中，所述前排行星齿轮机构包括与输入轴1连接的前排齿圈2、与输出轴17连接的前排行星架3和前排行星齿轮4，所述前排行星架3通过第一离合器5和中排行星齿轮机构连接。Further, another embodiment of the present invention further provides an automatic transmission device, wherein the front planetary gear mechanism includes a front ring gear 2 connected to the input shaft 1 and a front planetary carrier connected to the output shaft 17 3 and the front planetary gear 4, the front planetary carrier 3 is connected to the middle planetary gear mechanism through the first clutch 5.
在本实施例中，动力由输入轴1通过前排齿圈2输入自动变速装置。In this embodiment, the power is input from the input shaft 1 through the front ring gear 2 to the automatic transmission.
进一步地，本发明的另一个实施例还提供一种自动变速装置，其中，所述中排行星齿轮机构包括中排齿圈6、中排行星齿轮7和中排行星架8，中排齿圈6通过第一离合器5和前排行星架3相连接。Further, another embodiment of the present invention further provides an automatic transmission device, wherein the middle-row planetary gear mechanism includes a middle-row ring gear 6, a middle-row planet gear 7 and a middle-row planet carrier 8, the middle-row ring gear 6 is connected to the front planetary carrier 3 via the first clutch 5.
进一步地，本发明的另一个实施例还提供一种自动变速装置，其中，所述后排行星齿轮机构包括后排行星架12、后排齿圈13和后排行星齿轮14，后排齿圈13通过第二离合器15和输出轴17连接。Further, another embodiment of the present invention also provides an automatic transmission device, wherein the rear planetary gear mechanism includes a rear planetary carrier 12, a rear ring gear 13 and a rear planetary gear 14, the rear ring gear 13 is connected to the output shaft 17 via the second clutch 15.
进一步地，本发明的另一个实施例还提供一种自动变速装置，其中，还包括安装在机壳19内部的前排制动器9，所述前排制动器9与中排行星架8连接。Further, another embodiment of the present invention further provides an automatic transmission device, which further includes a front-row brake 9 installed inside the casing 19, and the front-row brake 9 is connected to the middle-row planet carrier 8.
进一步地，本发明的另一个实施例还提供一种自动变速装置，其中，还包括安装在机壳19内部的中心轮制动器10，所述中心轮制动器10与中心太阳齿轮16连接。Further, another embodiment of the present invention further provides an automatic transmission device, which further includes a center wheel brake 10 installed inside the casing 19, and the center wheel brake 10 is connected to the center sun gear 16.
进一步地，本发明的另一个实施例还提供一种自动变速装置，其 中，还包括安装在机壳19内部的后排制动器11，所述后排制动器11与后排行星架12连接。Further, another embodiment of the present invention further provides an automatic transmission device, which further includes a rear brake 11 installed inside the housing 19, and the rear brake 11 is connected to the rear planetary carrier 12.
进一步地，本发明的另一个实施例还提供一种自动变速装置，其中，所述前排齿圈2还通过第二轴承20和输出轴17连接。Further, another embodiment of the present invention also provides an automatic transmission device, wherein the front ring gear 2 is further connected to the output shaft 17 via a second bearing 20.
进一步地，本发明的另一个实施例还提供一种自动变速装置，其中，所述中心太阳齿轮16和输出轴17之间设置有第三轴承21。Further, another embodiment of the present invention further provides an automatic transmission device, wherein a third bearing 21 is provided between the sun gear 16 and the output shaft 17.
进一步地，本发明的另一个实施例还提供一种自动变速装置，其中，所述第三轴承21设置有两个，分别位于中心太阳齿轮16两端。Further, another embodiment of the present invention further provides an automatic transmission device, wherein two third bearings 21 are provided, which are located at both ends of the central sun gear 16, respectively.
进一步地，本发明的另一个实施例提供一种自动变速装置，包括机壳19、轴心重合的输入轴1和输出轴17、套在输出轴17上的中心太阳齿轮16以及套在中心太阳齿轮16上的前排行星齿轮机构、中排行星齿轮机构和后排行星齿轮机构，所述输入轴1和输出轴17分别通过第一轴承18安装在机壳19上，所述前排行星齿轮机构和所述输入轴1连接，所述中排行星齿轮机构通过第一离合器5和前排行星齿轮机构连接，所述后排行星齿轮机构通过第二离合器15和输出轴17连接；所述前排行星齿轮机构包括与输入轴1连接的前排齿圈2、与输出轴17连接的前排行星架3和前排行星齿轮4；所述中排行星齿轮机构包括中排齿圈6、中排行星齿轮7和中排行星架8，中排齿圈6通过第一离合器5和前排行星架3相连接；所述后排行星齿轮机构包括后排行星架12、后排齿圈13和后排行星齿轮14，后排齿圈13通过第二离合器15和输出轴17连接；还包括安装在机壳19内部的 前排制动器9，所述前排制动器9与中排行星架8连接；还包括安装在机壳19内部的中心轮制动器10，所述中心轮制动器10与中心太阳齿轮16连接；还包括安装在机壳19内部的后排制动器11，所述后排制动器11与后排行星架12连接；所述前排齿圈2还通过第二轴承20和输出轴17连接；所述中心太阳齿轮16和输出轴17之间设置有第三轴承21；所述第三轴承21设置有两个，分别位于中心太阳齿轮16两端。Further, another embodiment of the present invention provides an automatic transmission device, which includes a housing 19, an input shaft 1 and an output shaft 17 whose axes are coincident, a central sun gear 16 sleeved on the output shaft 17, and a central sun gear The front row planetary gear mechanism, the middle row planetary gear mechanism and the rear row planetary gear mechanism on the gear 16, the input shaft 1 and the output shaft 17 are respectively mounted on the casing 19 through the first bearing 18, and the front row planetary gear The mechanism is connected to the input shaft 1, the middle-row planetary gear mechanism is connected to the front-row planetary gear mechanism through the first clutch 5, and the rear-row planetary gear mechanism is connected to the output shaft 17 through the second clutch 15; The row planetary gear mechanism includes a front row gear ring 2 connected to the input shaft 1, a front row planet carrier 3 and a front row planetary gear 4 connected to the output shaft 17; the middle row planetary gear mechanism includes a middle row ring gear 6, middle Row planetary gear 7 and middle row planetary carrier 8, middle row ring gear 6 are connected to front row planetary carrier 3 through first clutch 5; the rear planetary gear mechanism includes rear row planetary carrier 12, rear row ring gear 13 and The rear planetary gear 14 and the rear ring gear 13 are connected through the second clutch 15 and the output shaft 17; it also includes a front brake 9 installed inside the casing 19, and the front brake 9 is connected to the middle planet carrier 8; It also includes a center wheel brake 10 installed inside the casing 19, and the center wheel brake 10 is connected to the center sun gear 16; it also includes a rear brake 11 installed inside the casing 19, and the rear brake 11 and the rear row The star carrier 12 is connected; the front ring gear 2 is also connected to the output shaft 17 through the second bearing 20; a third bearing 21 is provided between the central sun gear 16 and the output shaft 17; the third bearing 21 is provided There are two at the two ends of the central sun gear 16, respectively.
下面，结合附图2-4，对本实施例的一种自动变速装置的具体工况进行介绍：The specific operating conditions of an automatic transmission device of this embodiment will be described below with reference to FIGS. 2-4:
工况1：参照图2，后排制动器11制动，动力从输入轴1传入，先后经过前排齿圈2、前排行星齿轮4、中心太阳齿轮16、后排行星齿轮14和后排齿圈13，最后通过第二离合器15输出到输出轴17。Working condition 1: Referring to FIG. 2, the rear brake 11 brakes, power is input from the input shaft 1, and passes through the front ring gear 2, the front planet gears 4, the central sun gear 16, the rear planet gears 14 and the rear row The ring gear 13 is finally output to the output shaft 17 through the second clutch 15.
工况2：参照图3,前排制动器9制动，动力从输入轴1传入，先后经过前排齿圈2、前排行星齿轮4、中心太阳齿轮16、中排行星齿轮7和中排齿圈6，再通过第一离合器5传到前排行星架3，最后由前排行星架3输出到输出轴17。Working condition 2: Referring to FIG. 3, the front brake 9 brakes, the power is input from the input shaft 1, and successively passes through the front ring gear 2, the front planetary gear 4, the central sun gear 16, the center row planetary gear 7 and the center row The ring gear 6 is transmitted to the front planetary carrier 3 through the first clutch 5, and finally output from the front planetary carrier 3 to the output shaft 17.
工况3：参照图4，中心轮制动器10制动，动力从输入轴1传入，先后经过前排齿圈2、前排行星齿轮4和前排行星架3，输出到输出轴17。Working condition 3: Referring to FIG. 4, the center wheel brake 10 brakes, the power is input from the input shaft 1, passes through the front ring gear 2, the front planet gears 4 and the front planet carrier 3, and is output to the output shaft 17.
以上所述，只是本发明的较佳实施例而已，本发明并不局限于上述实施方式，只要其以相同的手段达到本发明的技术效果，都应属于 本发明的保护范围。The above are only preferred examples of the present invention, and the present invention is not limited to the above-mentioned embodiments, as long as they achieve the technical effects of the present invention by the same means, they should fall within the protection scope of the present invention.
Claims (10)
- 一种自动变速装置，其特征在于，包括机壳、轴心重合的输入轴和输出轴、套在输出轴上的中心太阳齿轮以及套在中心太阳齿轮上的前排行星齿轮机构、中排行星齿轮机构和后排行星齿轮机构，所述输入轴和输出轴分别通过第一轴承安装在机壳上，所述前排行星齿轮机构和所述输入轴连接，所述中排行星齿轮机构通过第一离合器和前排行星齿轮机构连接，所述后排行星齿轮机构通过第二离合器和输出轴连接。An automatic transmission device is characterized by comprising a casing, an input shaft and an output shaft with coincident shaft centers, a central sun gear sleeved on the output shaft, a front planetary gear mechanism sleeved on the central sun gear, and a middle row planetary gear The gear mechanism and the rear planetary gear mechanism, the input shaft and the output shaft are respectively mounted on the casing through a first bearing, the front row planetary gear mechanism is connected to the input shaft, and the middle row planetary gear mechanism A clutch is connected to the front planetary gear mechanism, and the rear planetary gear mechanism is connected to the output shaft through the second clutch.
- 根据权利要求1所述的一种自动变速装置，其特征在于，所述前排行星齿轮机构包括与输入轴连接的前排齿圈、与输出轴连接的前排行星架和前排行星齿轮，所述前排行星架通过第一离合器和中排行星齿轮机构连接。An automatic transmission device according to claim 1, wherein the front planetary gear mechanism includes a front ring gear connected to the input shaft, a front planetary carrier and a front planetary gear connected to the output shaft, The front row planetary carrier is connected to the middle row planetary gear mechanism through the first clutch.
- 根据权利要求2所述的一种自动变速装置，其特征在于，所述中排行星齿轮机构包括中排齿圈、中排行星齿轮和中排行星架，中排齿圈通过第一离合器和前排行星架相连接。An automatic transmission device according to claim 2, wherein the middle-row planetary gear mechanism includes a middle-row ring gear, a middle-row planetary gear and a middle-row planetary carrier, the middle-row ring gear passes through the first clutch and the front Row planet carrier is connected.
- 根据权利要求3所述的一种自动变速装置，其特征在于，所述后排行星齿轮机构包括后排行星架、后排齿圈和后排行星齿轮，后排齿圈通过第二离合器和输出轴连接。An automatic transmission device according to claim 3, wherein the rear planetary gear mechanism includes a rear planetary carrier, a rear ring gear and a rear planetary gear, the rear ring gear passes through the second clutch and the output Shaft connection.
- 根据权利要求2所述的一种自动变速装置，其特征在于，还包括安装在机壳内部的前排制动器，所述前排制动器与中排行星架连接。An automatic transmission device according to claim 2, further comprising a front-row brake installed inside the casing, the front-row brake connected to the middle-row planet carrier.
- 根据权利要求3所述的一种自动变速装置，其特征在于，还包括安装在机壳内部的中心轮制动器，所述中心轮制动器与中心太阳齿轮连接。An automatic transmission device according to claim 3, further comprising a center wheel brake installed inside the casing, the center wheel brake connected to the center sun gear.
- 根据权利要求4所述的一种自动变速装置，其特征在于，还包括安装在机壳内部的后排制动器，所述后排制动器与后排行星架连接。An automatic transmission device according to claim 4, further comprising a rear brake installed inside the housing, the rear brake connected to the rear planetary carrier.
- 根据权利要求2所述的一种自动变速装置，其特征在于，所述前排齿圈还通过第二轴承和输出轴连接。An automatic transmission device according to claim 2, wherein the front ring gear is also connected to the output shaft through a second bearing.
- 根据权利要求1所述的一种自动变速装置，其特征在于，所述中心太阳齿轮和输出轴之间设置有第三轴承。An automatic transmission device according to claim 1, wherein a third bearing is provided between the central sun gear and the output shaft.
- 根据权利要求9所述的一种自动变速装置，其特征在于，所述第三轴承设置有两个，分别位于中心太阳齿轮两端。An automatic transmission device according to claim 9, wherein there are two third bearings, which are located at both ends of the central sun gear.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821951234.4U CN209430693U (en) | 2018-11-24 | 2018-11-24 | A kind of automatic transimission |
| CN201821951234.4 | 2018-11-24 |
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| Publication Number | Publication Date |
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| WO2020103699A1 true WO2020103699A1 (en) | 2020-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2019/116469 WO2020103699A1 (en) | 2018-11-24 | 2019-11-08 | Automatic transmission |
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| Country | Link |
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| CN (1) | CN209430693U (en) |
| WO (1) | WO2020103699A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209430693U (en) * | 2018-11-24 | 2019-09-24 | 江门锐磁能机电科技有限公司 | A kind of automatic transimission |
| CN109236957B (en) * | 2018-11-24 | 2024-04-16 | 江门锐磁能机电科技有限公司 | Automatic speed changing device |
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| US20050261102A1 (en) * | 2002-07-11 | 2005-11-24 | Gerhard Gumpoltsberger | Multi-step transmission |
| CN101298882A (en) * | 2007-05-01 | 2008-11-05 | 通用汽车环球科技运作公司 | 8-speed transmission |
| CN102089551A (en) * | 2008-09-09 | 2011-06-08 | 腓特烈斯港齿轮工厂股份公司 | Hybrid drive train of a motor vehicle |
| CN104565236A (en) * | 2013-10-22 | 2015-04-29 | 现代自动车株式会社 | Gear train of automatic transmission for vehicle |
| CN109236957A (en) * | 2018-11-24 | 2019-01-18 | 江门锐磁能机电科技有限公司 | A kind of automatic transimission |
| CN109484153A (en) * | 2017-09-10 | 2019-03-19 | 东莞孚邦自动变速箱维修服务有限公司 | Hybrid vehicle automatic transmission drive train system |
| CN209430693U (en) * | 2018-11-24 | 2019-09-24 | 江门锐磁能机电科技有限公司 | A kind of automatic transimission |
-
2018
- 2018-11-24 CN CN201821951234.4U patent/CN209430693U/en not_active Withdrawn - After Issue
-
2019
- 2019-11-08 WO PCT/CN2019/116469 patent/WO2020103699A1/en active Application Filing
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|---|---|---|---|---|
| US20050261102A1 (en) * | 2002-07-11 | 2005-11-24 | Gerhard Gumpoltsberger | Multi-step transmission |
| CN101298882A (en) * | 2007-05-01 | 2008-11-05 | 通用汽车环球科技运作公司 | 8-speed transmission |
| CN102089551A (en) * | 2008-09-09 | 2011-06-08 | 腓特烈斯港齿轮工厂股份公司 | Hybrid drive train of a motor vehicle |
| CN104565236A (en) * | 2013-10-22 | 2015-04-29 | 现代自动车株式会社 | Gear train of automatic transmission for vehicle |
| CN109484153A (en) * | 2017-09-10 | 2019-03-19 | 东莞孚邦自动变速箱维修服务有限公司 | Hybrid vehicle automatic transmission drive train system |
| CN109236957A (en) * | 2018-11-24 | 2019-01-18 | 江门锐磁能机电科技有限公司 | A kind of automatic transimission |
| CN209430693U (en) * | 2018-11-24 | 2019-09-24 | 江门锐磁能机电科技有限公司 | A kind of automatic transimission |
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| CN209430693U (en) | 2019-09-24 |
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