WO2018121077A1 - 一种车辆变速器 - Google Patents

一种车辆变速器 Download PDF

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Publication number
WO2018121077A1
WO2018121077A1 PCT/CN2017/109622 CN2017109622W WO2018121077A1 WO 2018121077 A1 WO2018121077 A1 WO 2018121077A1 CN 2017109622 W CN2017109622 W CN 2017109622W WO 2018121077 A1 WO2018121077 A1 WO 2018121077A1
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Prior art keywords
gear
output shaft
fixed
shaft
planetary
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PCT/CN2017/109622
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English (en)
French (fr)
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吴方平
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吴方平
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Publication of WO2018121077A1 publication Critical patent/WO2018121077A1/zh

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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
    • 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

Definitions

  • the present invention relates to a device for changing the speed of a vehicle based on road conditions and circumstances.
  • the present invention is achieved by the planetary gear mechanism comprising a planetary carrier, a planetary gear, a ring gear and a sun gear, and an input shaft, an intermediate shaft, an output shaft, an output shaft gear, a countershaft gear, a connecting gear, and a fixed planet.
  • the planet carrier gears on the bracket.
  • the input shaft is fixed to one of the ring gear or the planetary carrier or the sun gear
  • the output shaft is fixed to one of the remaining two
  • the intermediate shaft is meshed on the last one by the connecting gear, the output shaft and the middle
  • the shaft is meshed with the output shaft gear and the intermediate shaft gear, and the intermediate shaft gear and the connecting gear are fixed at both ends of the intermediate shaft.
  • Figure 1 is a structural view of the input shaft fixed to the planetary support of the present invention
  • Figure 2 is an assembly view of Figure 1;
  • Figure 3 is a structural view of the input shaft fixed to the sun gear of the present invention.
  • Figure 4 is an assembly view of Figure 3;
  • Figure 5 is a structural view showing the input shaft fixed to the ring gear of the present invention.
  • Figure 6 is an assembly view of Figure 5;
  • the input shaft 1 is fixed to the planet carrier 2 of the planetary gear mechanism.
  • the planet gear 3 on the planet carrier 2 meshes with the sun gear 5, the sun gear 5 is fixed to the output shaft 6, the output shaft gear 8 on the output shaft 6 and the transition gear 11 meshing, the transition gear 11 and the countershaft gear 9 mesh, the intermediate shaft 7 is fixed to the countershaft gear 9 and the connecting gear 10, the connecting gear 10 and the ring gear outer teeth 12 are meshed, and the ring gear inner teeth 13 and the planet gear 3 mesh And the ring gear 4 is rotated in one direction.
  • the vehicle When the engine stops or the supplied power cannot overcome the friction of the vehicle, the vehicle does not move or coasts at a certain speed, and the output shaft 6 and the output shaft gear 8 rotate while the vehicle is running, and the intermediate gear 9 of the transition gear 11 is driven.
  • the gear 10, the ring gear 4, the planetary gear 3, the sun gear 5 to the output shaft 6 form a closed rotation
  • the input shaft 1 does not move
  • the sun The gear ratio of the wheel 5 and the connecting gear 10 is equal to the gear ratio of the input shaft gear 8 and the counter gear 9 when the vehicle is in a neutral state, and this rotational speed is slower and slower due to the presence of the vehicle friction.
  • the input shaft 1 planet carrier 2 rotates at a certain speed, so that the rotation of the planet gear 3 on the planet carrier 2 increases, and the rotation speed of the sun gear 5 and the output shaft 6 increases and the vehicle speed increases, and the output shaft 6
  • the rotational speed of the output shaft gear 8 is increased, and the rotational speed of the transition gear 11, the intermediate shaft gear 9, the connecting gear 10, the ring gear 4, the planetary gear 3, and the sun gear 5 to the output shaft 6 is continuously increased, so that the vehicle speed is also increased.
  • the input shaft 1 rotates at a certain speed
  • the output shaft 6 rotates faster and faster
  • the speed will be high after a certain time
  • the input shaft 1 speed is independent of the output shaft 6 speed, only the output shaft 6 speed
  • the angular acceleration is related to the acceleration of the vehicle.
  • the input shaft 1 and the output shaft 6 do not need to select a suitable transmission ratio and do not require a shifting mechanism. By stopping and rotating the input shaft 1, the required speed of the vehicle can be obtained, thereby achieving the shifting speed. purpose.
  • the input shaft 1 is fixed to the sun gear 5 and meshes with the planetary gear 3 on the planetary carrier 2, the planetary gear 3 and the internal teeth 13 of the ring gear 4 mesh, the external gear teeth 12 and the connecting gear 10 Engagement, the connecting gear 10 is fixed to the output shaft 6, and the other end of the output shaft 6 is fixed to the output shaft gear 8.
  • the planetary carrier 2 is fixed to the planet carrier gear 14, and the planetary carrier gear 14 and the output shaft gear 8 are meshed.
  • the automobile runs under inertia, and the output shaft 6 rotates, so that the output shaft gear 8, the carrier gear 14, the planetary gear 3, the ring gear 4, and the connecting gear 10 form a closed rotation, and the input shaft 1 does not move.
  • the number of teeth of the teeth 12 is equal
  • the number of teeth of the planet carrier gear 14 is equal to the number of teeth of the sun gear 5 and the number of teeth of the ring gear 13
  • the number of teeth of the connecting gear 10 is equal to the number of teeth of the output shaft gear 8 is equal to the number of teeth of the ring gear 13 and the planetary carrier gear 14 Number of teeth.
  • the input shaft 1 is fixed to the ring gear 4 via the ring gear frame 15, and the ring gear inner teeth 13 of the ring gear 4 mesh with the planet gears 3 on the planet carrier 2, and the planetary gears 3 and the sun gear 5 are engaged.
  • the sun gear 5 is fixed to the output shaft 6, and the output shaft 6 passes through the bearing 16 embedded in the bracket gear 14, and is fixedly connected to the output uranium gear 8.
  • the bracket gear 14 on the planetary carrier 2 and the connecting gear 10 are meshed, and the connecting gear 10 is fixed.
  • the intermediate shaft 7 is connected, and the other end of the intermediate shaft 7 is fixed to the intermediate shaft gear 9 and the intermediate shaft gear 9 and the output shaft gear 8 on the output shaft 6 are engaged to rotate the bracket gear 14 in one direction.
  • the vehicle when the vehicle is in neutral position, the vehicle is inertially driven, and the output shaft 6 is rotated to cause the output shaft gear 8, the intermediate shaft gear 7, the connecting gear 10, the bracket gear 14, the planetary gear 3, and the sun gear 5 to form a closed rotation.
  • the input shaft 1 does not move, and the number of teeth of the planetary carrier gear 14 is equal to the number of teeth of the sun gear 5 plus the number of teeth 13 of the ring gear.
  • the gear ratio of the output shaft gear 8 and the counter gear 9 is equal to the gear ratio of the sun gear 5 and the connecting gear 10.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Retarders (AREA)
  • Structure Of Transmissions (AREA)

Abstract

一种车辆变速器，包括行星支架（2）、行星轮（3）、齿圈（4）和太阳轮（5）组成的行星齿轮机构，以及输入轴（1）、中间轴（7）、输出轴（6）、输出轴齿轮（8）、中间轴齿轮（9）、连接齿轮（10）、行星支架齿轮（14）组成。输入轴（1）固接在齿圈（4）或行星支架（2）或太阳轮（5）的任意一个上，输出轴（6）固接在剩下二个的其中一个上，中间轴（7）通过连接齿轮（10）连接在最后一个上，使用上述装置，车辆从而达到变速的目的。

Description

一种车辆变速器 技术领域
本发明涉及到车辆根据路况和环境进行改变速度的装置。
背景技术
目前，公知市场上常用的有手动变速器和自动变速器，其变速的原理是改变输入轴和输出轴之间的传动比，使发动机转速在效率高的范围工作，但变档的结构复杂，工艺难度大，且自动变速器电控系统，液压系统的成本高可靠性差。
发明内容
本发明的目的是：提供一种车辆变速器来改善上述所提的缺点，特别是适用在电动汽车上。
本发明是这样实现的，包括行星支架、行星轮、齿圈和太阳轮组成的行星齿轮机构，以及输入轴、中间轴、输出轴、输出轴齿轮、中间轴齿轮、连接齿轮、固接在行星支架上的行星支架齿轮组成。输入轴固接在齿圈或行星支架或太阳轮三个中的任意一个上，输出轴固接在剩下二个的其中一个上，中间轴通过连接齿轮啮合在最后一个上，输出轴和中间轴通过输出轴齿轮和中间轴齿轮啮合连接，中间轴两端各固接中间轴齿轮和连接齿轮。
附图说明
图1为本发明输入轴固接在行星支架上的结构图；
图2为图1的装配图；
图3为本发明输入轴固接在太阳轮的结构图；
图4为图3的装配图；
图5为本发明输入轴固接在齿圈上的结构图；
图6为图5的装配图；
在图1、图2、图3、图4、图5、图6中，1输入轴 2行星支架 3行星齿轮 4齿圈 5太阳轮 6输出轴 7中间轴 8输出轴齿轮 9中间轴齿轮 10连接齿轮 11过渡齿轮 12齿圈外齿 13齿圈内齿 14行星支架齿轮 15齿圈架 16轴承。
具体实施方式
下面通过输入轴1固接在行星支架2的实施例来详细说明本发明：
输入轴1固接在行星齿轮机构的行星支架2上，行星支架2上的行星轮3和太阳轮5啮合，太阳轮5固接输出轴6，输出轴6上的输出轴齿轮8和过渡齿轮11啮合，过渡齿轮11和中间轴齿轮9啮合，中间轴7两端固接中间轴齿轮9和连接齿轮10，连接齿轮10和齿圈外齿12啮合，齿圈内齿13和行星轮3啮合，并使齿圈4单向转动。
当发动机停止不动或提供的动力不能克服车辆摩擦力时，此时车辆不动或以一定速度惯性行驶，车辆行驶时输出轴6和输出轴齿轮8转动，并带动过渡齿轮11中间轴齿轮9、连接齿轮10、齿圈4、行星轮3，太阳轮5到输出轴6形成一封闭的转动，输入轴1不动，需满足齿圈内齿13和齿圈外齿12的齿数相等，太阳轮5和连接齿轮10齿数比等于输入轴齿轮8和中间轴齿轮9齿数比，这时车辆为空档状态，由于有车辆摩擦力的存在，这一转动速度会越来越慢。
当发动机提供动力克服车辆摩擦力，输入轴1行星支架2以一定速度转动，使行星支架2上的行星轮3转动增加，带动太阳轮5和输出轴6转速增加及车辆速度增加，输出轴6和输出轴齿轮8的转速增加，带动过渡齿轮11、中间轴齿轮9、连接齿轮10、齿圈4、行星轮3、太阳轮5到输出轴6形成封闭的转动速度不断增加，这样汽车速度也不断增加，这样输入轴1以某一转速转动，输出轴6转速越来越快，一定时间后转速会很高，及输入轴1转速和输出轴6的转速无关，仅和输出轴6的转速角加速度及车辆的加速度有关，输入轴1和输出轴6不需要选择合适的传动比及不需要变档机构，通过停止和转动输入轴1，就能得到车辆所需要的速度，从而达到变速的目的。
图3、图4中，输入轴1固接在太阳轮5上并和行星支架2上行星轮3啮合，行星轮3和齿圈4的内齿13啮合，齿圈外齿12和连接齿轮10啮合，连接齿轮10固接在输出轴6上，输出轴6另一端固接输出轴齿轮8，行星支架2上固接行星支架齿轮14，行星支架齿轮14和输出轴齿轮8啮合。在本实施中，空档时，汽车在惯性下行驶，输出轴6转动，使输出轴齿轮8，支架齿轮14、行星轮3、齿圈4、连接齿轮10形成封闭转动，输入轴1不动，需满足齿圈内齿13齿圈外 齿12齿数相等，行星支架齿轮14的齿数等于太阳轮5齿数加上齿圈内齿13齿数，连接齿轮10齿数比上输出轴齿轮8的齿数等于齿圈内齿13齿数比上行星支架齿轮14齿数。
图5、图6中，输入轴1通过齿圈架15固接在齿圈4上，齿圈4上齿圈内齿13和行星支架2上的行星轮3啮合，行星轮3和太阳轮5啮合，太阳轮5固接输出轴6，输出轴6经过嵌在支架齿轮14里的轴承16，固接输出铀齿轮8，行星支架2上的支架齿轮14和连接齿轮10啮合，连接齿轮10固接中间轴7，中间轴7另一端固接中间轴齿轮9中间轴齿轮9和输出轴6上的输出轴齿轮8啮合，使支架齿轮14单向转动。
在本实施例中，空档时，汽车惯性行驶，输出轴6转动，使输出轴齿轮8、中间轴齿轮7、连接齿轮10、支架齿轮14、行星轮3、太阳轮5形成的封闭转动，输入轴1不动，需满足行星支架齿轮14齿数等于太阳轮5齿数加上齿圈内齿13齿数，输出轴齿轮8和中间轴齿轮9齿数比等于太阳轮5和连接齿轮10齿数比。

Claims (3)

  1. 一种车辆变速器，它包括行星支架(2)行星轮(3)齿圈(4)和太阳轮(5)组成的行星齿轮机构，以及输入轴(1)、输出轴(6)、中间轴(7)、输出轴齿轮(8)、中间轴齿轮(9)、连接齿轮(10)、行星支架齿轮(14)、过渡齿轮(11)，其特征是：输入轴(1)固接在行星支架(2)上，行星支架(2)上的行星轮(3)和太阳轮(5)啮合，太阳轮(5)固接输出轴(6)，输出轴(6)上的输出轴齿轮(8)和过渡齿轮(11)啮合、过渡齿轮(11)和中间轴齿轮(9)啮合，中间轴(7)两端固接中间轴齿轮(9)和连接齿轮(10)，连接齿轮(10)和齿圈(4)上齿圈外齿(12)啮合，齿圈内齿(13)和行星轮(3)啮合。
  2. 根据权利要求1所述的一种车辆变速器，其特征是：输入轴(1)固接在太阳轮(5)上，并和行星支架(2)上的行星轮(3)啮合，行星轮(3)和齿圈内齿(13)啮合，齿圈外齿(12)和连接齿轮(10)啮合，连接齿轮(10)固接在输出轴(6)上，输出轴(6)另一端固接输出轴齿轮(8)，输出轴齿轮(8)和固接在行星支架(2)上行星支架齿轮(14)啮合。
  3. 根据权利要求1所述的一种车辆变速器，其特征是：输入轴(1)通过齿圈架(15)固接齿圈(4)上，齿圈内齿(13)和行星轮(3)啮合，行星轮(3)和太阳轮(5)啮合，输出轴(6)两端固接太阳轮(5)和输出轴齿轮(8)，输出轴齿轮(8)和中间轴齿轮(9)啮合，中间轴(7)两端固接中间轴齿轮(9)和连接齿轮(10)，连接齿轮(10)和固接在行星支架(2)上的行星支架齿轮(14)啮合。
PCT/CN2017/109622 2016-12-31 2017-11-07 一种车辆变速器 WO2018121077A1 (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109780183A (zh) * 2019-03-06 2019-05-21 重庆茂捷汽车变速器有限公司 一种变速器轴

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Publication number Priority date Publication date Assignee Title
JP2002039289A (ja) * 2000-07-24 2002-02-06 Hideo Sato 無段変速機
CN101101047A (zh) * 2007-08-06 2008-01-09 刘淮滨 一种等速-差速、双轴反向输出变速方法及装置
CN201588912U (zh) * 2010-01-08 2010-09-22 徐松林 动轮式行星变速器
CN102906454A (zh) * 2010-01-05 2013-01-30 赵光镐 无级变速装置
CN103363033A (zh) * 2013-05-10 2013-10-23 荆州荆楚时空科技有限公司 逆转叠加式行星变速器
CN105257791A (zh) * 2014-06-07 2016-01-20 吴方平 一种汽车自动变速器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002039289A (ja) * 2000-07-24 2002-02-06 Hideo Sato 無段変速機
CN101101047A (zh) * 2007-08-06 2008-01-09 刘淮滨 一种等速-差速、双轴反向输出变速方法及装置
CN102906454A (zh) * 2010-01-05 2013-01-30 赵光镐 无级变速装置
CN201588912U (zh) * 2010-01-08 2010-09-22 徐松林 动轮式行星变速器
CN103363033A (zh) * 2013-05-10 2013-10-23 荆州荆楚时空科技有限公司 逆转叠加式行星变速器
CN105257791A (zh) * 2014-06-07 2016-01-20 吴方平 一种汽车自动变速器

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109780183A (zh) * 2019-03-06 2019-05-21 重庆茂捷汽车变速器有限公司 一种变速器轴

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