WO2019090700A1 - 一种动态离合分动箱 - Google Patents

一种动态离合分动箱 Download PDF

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Publication number
WO2019090700A1
WO2019090700A1 PCT/CN2017/110466 CN2017110466W WO2019090700A1 WO 2019090700 A1 WO2019090700 A1 WO 2019090700A1 CN 2017110466 W CN2017110466 W CN 2017110466W WO 2019090700 A1 WO2019090700 A1 WO 2019090700A1
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Prior art keywords
drum
power take
piston
force output
output shaft
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PCT/CN2017/110466
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English (en)
French (fr)
Inventor
高健
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盐城普兹机械有限公司
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Priority to PCT/CN2017/110466 priority Critical patent/WO2019090700A1/zh
Publication of WO2019090700A1 publication Critical patent/WO2019090700A1/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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/06—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch
    • F16D25/062—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces
    • F16D25/063—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially
    • F16D25/0635—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs
    • F16D25/0638—Fluid-actuated clutches in which the fluid actuates a piston incorporated in, i.e. rotating with the clutch the clutch having friction surfaces with clutch members exclusively moving axially with flat friction surfaces, e.g. discs with more than two discs, e.g. multiple lamellae
    • 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
    • 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
    • F16H61/26—Generation or transmission of movements for final actuating mechanisms
    • F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
    • F16H61/30—Hydraulic or pneumatic motors or related fluid control means therefor

Definitions

  • the invention relates to the technical field of automobile parts, in particular to a dynamic clutch transfer case.
  • the transfer case [PTO, Power Take Off] is a prime mover power split device widely used in various modified vehicle chassis to separate the original engine power of the car from one or more power take-off ports to meet different tops. Work equipment needs. According to the working mode, the transfer case can be divided into two types: a clutch transfer case and a constant mesh transfer case.
  • the dynamic clutch transfer case belongs to the clutch transfer case.
  • the clutch-type transfer case is mainly a mechanical clutch transfer case.
  • the mechanical clutch principle mainly relies on air pressure, hydraulic pressure, magnetic force or manual to push a mechanical shift fork for shifting, thereby realizing the take-off of the transfer case. Open and combine.
  • the biggest disadvantage of this solution is that the shift switching needs to be performed at rest, that is, the power input needs to be interrupted. In many cases, this solution has many inconveniences, such as some equipment needs continuous operation and power can not be interrupted, and some need to implement remote control. These functions are not possible with the mechanical clutch transfer case.
  • An object of the present invention is to solve the above problems and to provide a dynamic clutch transfer case which can solve the above problems.
  • Dynamic clutch transfer case including rotary joint, power take-off output shaft, output bearing, left washer, needle bearing, force output gear, drum, drum rear circlip, drum rear baffle, friction plate, steel sheet , O-ring, screw, piston, right washer, positioning clip spring, spring retaining ring, spring, rotary joint is connected with the output shaft, and the rotary joint is located on the same horizontal line as the central axis of the output shaft.
  • the output bearing and the force output gear are arranged outside the force output shaft, and the output bearing and the force output gear are connected by the left gasket.
  • the drum is arranged at the right end of the force output gear, and the drum is connected with the force output shaft through the screw, and the drum is set in the drum.
  • the friction plate group and the piston, the rear roller spring and the friction plate group are connected by the drum rear baffle, the piston is connected to the friction plate group, and an O-shaped washer is arranged between the force output shaft and the piston inner hole, the piston outer ring and the drum,
  • the force output gear is connected with the force output shaft through a needle bearing.
  • the right washer is arranged at the right end of the needle bearing, the right washer is connected with the positioning clip spring, and the positioning clip spring is connected to the spring through the spring retaining ring; the piston, the drum and the take-up
  • the force output shaft constitutes a closed chamber.
  • the friction plate set includes a friction plate and a steel piece, the friction plate is connected to the drum by a spline, and the steel piece is connected to the output gear by a spline connection.
  • the number of O-rings is six.
  • the invention comprises a rotary joint, a force output shaft, an output bearing, a left gasket, a needle bearing, a force output gear, a drum, a drum rear circlip, a drum rear baffle, a friction plate, a steel sheet, an O-ring , screw, piston, right washer, positioning clip spring, spring retaining ring, spring, rotary joint is connected with the output shaft, and the rotary joint is located on the same horizontal line as the central axis of the output shaft, outside the output shaft
  • the output bearing and the force output gear are arranged, the output bearing and the force output gear are connected by the left gasket, and the drum is arranged at the right end of the force output gear, and the drum is connected with the force output shaft through the screw, and the drum rear spring is arranged in the drum.
  • the friction plate group and the piston, the rear roller spring and the friction plate group are connected by the drum rear baffle, the piston is connected to the friction plate group, and an O-shaped washer is arranged between the force output shaft and the piston inner hole, the piston outer ring and the drum,
  • the force output gear and the power take-off output shaft are connected by a needle bearing, a right washer is arranged at the right end of the needle bearing, a right washer is connected to the positioning clip spring, and the positioning clip spring is connected to the spring through the spring retaining ring.
  • the piston, drum and power take-up shaft form a closed chamber.
  • the piston When compressed air or pressurized oil enters the chamber, the piston is pushed forward to press the friction plate group to realize the connection of the force output gear to the force output shaft, since the friction plate assembly is a flexible connection. Switching without stopping, the probability of shifting is 100%, remote control, remote control, high degree of automation; smooth and no impact.
  • the friction plate assembly of the present invention comprises a friction plate and a steel plate, the friction plate is connected to the drum by a spline, and the steel piece is connected to the output gear by a spline connection.
  • the multi-plate wet friction plate is used for shifting. Under the push of air pressure or hydraulic pressure, the friction plate can be meshed or separated from the steel sheet at high speed to realize the cutting of the gear position. The change, because there is no need to interrupt the input power, greatly increases the convenience of operation and makes remote control possible.
  • the number of O-rings according to the present invention is six. Can improve the sealing effect of the device.
  • the invention has simple structure, is easy to manufacture, and is suitable for industrial production.
  • Figure 1 is a schematic view of the structure of the present invention
  • a dynamic clutch transfer case comprises a rotary joint 1 , a power take-off output shaft 2 , an output bearing 3 , a left washer 4 , a needle bearing 5 , a force output gear 6 , Drum 7, drum rear circlip 8, drum rear baffle 9, friction plate 10, steel plate 11, O-ring 12, screw 13, piston 14, right washer 15, positioning circlip 16, spring retaining ring 17, spring 18,
  • the rotary joint 1 is connected with the force output shaft 2, the rotary joint 1 and the central axis of the force output shaft 2 are on the same horizontal line, and the output bearing 3 and the force output gear 6 are arranged outside the force output shaft 2, and the output is
  • the bearing 3 and the force output gear 6 are connected by the left gasket 4, and the drum 7 is disposed at the right end of the force output gear 6, and the drum 7 is connected to the force output shaft 2 through the screw 13, and the drum rear spring 8 is arranged in the drum 7.
  • the friction plate group and the piston 14, the rear roller spring 8 and the friction plate group are connected by the drum rear baffle 9, the piston 14 is connected to the friction plate group, the inner hole of the output shaft 2 and the piston 14, the outer ring of the piston 14 and the drum 7
  • An O-ring 12 is disposed between the force output output gear 6 and the power take-off output shaft 2 via a needle bearing 5, and a right gasket 1 is disposed at the right end of the needle bearing 5 5, the right gasket 15 is connected to the positioning clip spring 16, and the positioning clip spring 16 is connected to the spring 18 through the spring retaining ring 17. Switching without stopping, the probability of shifting is 100%, remote control, remote control, high degree of automation; smooth and no impact.
  • the friction plate set includes a friction plate 10 and a steel sheet 11, the friction plate 10 is connected to the drum 7 by a spline, and the steel sheet 11 is passed through a spline Connect the force output gear 6.
  • the multi-disc wet friction plate 10 is used for shifting, and under the push of air pressure or hydraulic pressure, the friction plate 10 can be meshed or separated from the steel plate 11 during high-speed rotation to realize the switching of the gear position, because there is no need to interrupt the input power. Therefore, the convenience of operation is greatly increased and remote control is made possible.
  • the number of the O-rings 12 is six. Can improve the sealing effect of the device.
  • the O-ring 12 When the pressurized air or hydraulic oil is removed at the rotary joint 1, the O-ring 12 is returned to the initial position by the spring (the rightmost side in Fig. 1), and the friction plate 10 and the steel sheet 11 are separated from each other to maintain the design gap. Since the friction plate 10 and the steel sheet 11 are separated from each other, the torque cannot be transmitted. Therefore, when the power output output gear 6 rotates, the steel sheet 11 rotates along with the power output output gear 6 and the friction plate 10 is stationary, and then the drum 7 is stationary and takes force. The output shaft 2 is stationary and the final output torque is zero. At this time, the force output gear 6 is idling on the power take-off output shaft 2 through the needle bearing 5.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

一种动态离合分动箱。旋转接头（1）与取力输出轴（2）相连接，旋转接头（1）与取力输出（2）轴的中心轴位于同一水平线上，在取力输出轴（2）外设置输出轴承（3）和取力输出齿轮（6），输出轴承（3）和取力输出齿轮（6）通过左垫片（4）连接，在取力输出齿轮（6）右端设置鼓（7），鼓（7）通过螺钉（13）与取力输出轴（2）连接，在鼓（7）内设置鼓后卡（8）、摩擦片组（10，11）和活塞（14），鼓后卡簧（8）和摩擦片组（10，11）通过鼓后挡板（9）连接，活塞（14）连接摩擦片组（10，11），在取力输出轴（2）与活塞（14）、活塞（14）与鼓（7）之间均设置O型垫圈（12），取力输出齿轮（6）与取力输出轴（2）之间通过滚针轴承（5）连接，在滚针轴承（5）右端设置右垫片（15），右垫片（15）连接定位卡簧（16），定位卡簧（16）通过弹簧挡环（17）连接弹簧（18）。该动态离合分动箱进行切换无需停机，换挡几率100％，可实现远程控制，遥控控制，自动化程度高；结合平稳，无冲击。

Description

一种动态离合分动箱 技术领域
本发明涉及汽车配件技术领域，具体涉及一种动态离合分动箱。
背景技术
分动箱【PTO，Power Take Off】是一种原动机功率分出装置，广泛应用在各类改装车底盘上，将汽车原发动机动力分出一个或者多个取力口，来满足不同的上装工作设备需求。分动箱按照工作模式可分为可离合分动箱、常啮合分动箱两种。动态离合分动箱属于可离合分动箱。
目前可离合分动箱主要是机械式离合分动箱，机械式离合原理主要是依靠气压、液压、磁力或人工来推动一个机械式拨叉进行换挡，从而实现分动箱取力口的脱开和结合。此方案最大的缺点就是换挡切换需要在静止情况下进行，即需要中断动力输入。在很多场合下，此方案有诸多不便，比如有的设备需要连续作业且动力不能中断，有的则需要实现远程控制等。而这些功能都是机械式离合分动箱所不能实现的。
发明内容
本发明的目的在于解决上述问题，提供一种动态离合分动箱，能够解决上述问题。
本发明解决上述问题所采用的技术方案是：
一种动态离合分动箱，包括旋转接头、取力输出轴、输出轴承、左垫片、滚针轴承、取力输出齿轮、鼓、鼓后卡簧、鼓后挡板、摩擦片、钢片、O型圈、螺钉、活塞、右垫片、定位卡簧、弹簧挡环、弹簧，旋转接头与取力输出轴相连接，旋转接头与取力输出轴的中心轴位于同一水平线上，在取力输出轴外设置输出轴承和取力输出齿轮，输出轴承和取力输出齿轮通过左垫片连接，在取力输出齿轮右端设置鼓，鼓通过螺钉与取力输出轴连接，在鼓内设置鼓后卡簧、 摩擦片组和活塞，鼓后卡簧和摩擦片组通过鼓后挡板连接，活塞连接摩擦片组，在取力输出轴与活塞内孔、活塞外圈与鼓之间均设置O型垫圈，取力输出齿轮与取力输出轴之间通过滚针轴承连接，在滚针轴承右端设置右垫片，右垫片连接定位卡簧，定位卡簧通过弹簧挡环连接弹簧；活塞、鼓和取力输出轴构成密闭的腔室。
作为本发明的进一步优化方案，所述的摩擦片组包括摩擦片和钢片，摩擦片通过花键连接鼓，钢片通过花键连接取力输出齿轮。
作为本发明的进一步优化方案，所述的O型垫圈的数量为6个。
本发明的有益效果是：
1、本发明包括旋转接头、取力输出轴、输出轴承、左垫片、滚针轴承、取力输出齿轮、鼓、鼓后卡簧、鼓后挡板、摩擦片、钢片、O型圈、螺钉、活塞、右垫片、定位卡簧、弹簧挡环、弹簧，旋转接头与取力输出轴相连接，旋转接头与取力输出轴的中心轴位于同一水平线上，在取力输出轴外设置输出轴承和取力输出齿轮，输出轴承和取力输出齿轮通过左垫片连接，在取力输出齿轮右端设置鼓，鼓通过螺钉与取力输出轴连接，在鼓内设置鼓后卡簧、摩擦片组和活塞，鼓后卡簧和摩擦片组通过鼓后挡板连接，活塞连接摩擦片组，在取力输出轴与活塞内孔、活塞外圈与鼓之间均设置O型垫圈，取力输出齿轮与取力输出轴之间通过滚针轴承连接，在滚针轴承右端设置右垫片，右垫片连接定位卡簧，定位卡簧通过弹簧挡环连接弹簧。活塞、鼓和取力轴就组成了一个密闭的腔室。当压缩空气或压力油进入此腔室时，将推动活塞向前压紧摩擦片组，实现取力输出齿轮于取力输出轴的连接，由于摩擦片组结合是柔性连接。进行切换无需停机，换挡几率100％，可实现远程控制，遥控控制，自动化程度高；结合平稳，无冲击。
2、本发明所述的摩擦片组包括摩擦片和钢片，摩擦片通过花键连接鼓，钢片通过花键连接取力输出齿轮。采用多盘湿式摩擦片进行换挡，在气压或液压的推动下，摩擦片可以在高速旋转时与钢片进行啮合或分离，以实现档位的切 换，因为不需要中断输入动力，所以极大的增加了操作的便捷性并使得远程控制变为可能。
3、本发明所述的O型垫圈的数量为6个。能够提高设备的密封效果。
4、本发明结构简单，易于制作，适宜于工业化生产。
附图说明
图1是本发明的结构示意图；
图中：1、旋转接头，2、取力输出轴，3、输出轴承，4、左垫片，5、滚针轴承，6、取力输出齿轮，7、鼓，8、鼓后卡簧，9、鼓后挡板，10、摩擦片，11、钢片，12、O型圈，13、螺钉，14、活塞，15、右垫片，16、定位卡簧，17、弹簧挡环，18、弹簧。
具体实施方式
下面结合附图与具体实施方式对本发明作进一步详细描述：
如图1所示，本发明所述的一种动态离合分动箱，包括旋转接头1、取力输出轴2、输出轴承3、左垫片4、滚针轴承5、取力输出齿轮6、鼓7、鼓后卡簧8、鼓后挡板9、摩擦片10、钢片11、O型圈12、螺钉13、活塞14、右垫片15、定位卡簧16、弹簧挡环17、弹簧18，旋转接头1与取力输出轴2相连接，旋转接头1与取力输出轴2的中心轴位于同一水平线上，在取力输出轴2外设置输出轴承3和取力输出齿轮6，输出轴承3和取力输出齿轮6通过左垫片4连接，在取力输出齿轮6右端设置鼓7，鼓7通过螺钉13与取力输出轴2连接，在鼓7内设置鼓后卡簧8、摩擦片组和活塞14，鼓后卡簧8和摩擦片组通过鼓后挡板9连接，活塞14连接摩擦片组，在取力输出轴2与活塞14内孔、活塞14外圈与鼓7之间均设置O型垫圈12，取力输出齿轮6与取力输出轴2之间通过滚针轴承5连接，在滚针轴承5右端设置右垫片15，右垫片15连接定位卡簧16，定位卡簧16通过弹簧挡环17连接弹簧18。进行切换无需停机，换挡几率100％，可实现远程控制，遥控控制，自动化程度高；结合平稳，无冲击。所述的摩擦片组包括摩擦片10和钢片11，摩擦片10通过花键连接鼓7，钢片11通过花键 连接取力输出齿轮6。采用多盘湿式摩擦片10进行换挡，在气压或液压的推动下，摩擦片10可以在高速旋转时与钢片11进行啮合或分离，以实现档位的切换，因为不需要中断输入动力，所以极大的增加了操作的便捷性并使得远程控制变为可能。所述的O型垫圈12的数量为6个。能够提高设备的密封效果。
工作原理：当旋转接头1通入压力空气或液压油时，压力空气或液压油进入取力输出轴2与O型垫圈12之间的空隙处，由于O型垫圈12的密封作用，持续通入的压力空气或液压油将直接推动活塞14压紧摩擦片10组，将取力输出齿轮6的扭矩传递至鼓7，再传递给取力输出轴2，最终取力输出齿轮6和取力输出轴2一起旋转输出扭矩至工作设备。
在旋转接头1处压力空气或液压油撤消时，O型垫圈12在弹簧的作用下回到初始位置(图1最右侧)，摩擦片10和钢片11彼此分离，保持着设计的间隙，由于摩擦片10与钢片11彼此分离，无法传递扭矩，因此在取力输出齿轮6进行旋转时，钢片11跟着取力输出齿轮6旋转而摩擦片10则静止，继而鼓7静止、取力输出轴2静止，最终输出扭矩为零。此时取力输出齿轮6通过滚针轴承5在取力输出轴2上空转。
最后所应说明的是：以上实施例仅用以说明而非限制本发明的技术方案，尽管参照上述实施例对本发明进行了详细说明，本领域的普通技术人员应该理解：依然可以对本发明进行修改或者等同替换，而不脱离本发明的精神和范围的任何修改或局部替换，其均应涵盖在本发明的权利要求范围当中。

Claims (3)

  1. 一种动态离合分动箱，其特征在于：包括旋转接头、取力输出轴、输出轴承、左垫片、滚针轴承、取力输出齿轮、鼓、鼓后卡簧、鼓后挡板、摩擦片、钢片、O型圈、螺钉、活塞、右垫片、定位卡簧、弹簧挡环、弹簧，旋转接头与取力输出轴相连接，旋转接头与取力输出轴的中心轴位于同一水平线上，在取力输出轴外设置输出轴承和取力输出齿轮，输出轴承和取力输出齿轮通过左垫片连接，在取力输出齿轮右端设置鼓，鼓通过螺钉与取力输出轴连接，在鼓内设置鼓后卡簧、摩擦片组和活塞，鼓后卡簧和摩擦片组通过鼓后挡板连接，活塞连接摩擦片组，在取力输出轴与活塞内孔、活塞外圈与鼓之间均设置O型垫圈，取力输出齿轮与取力输出轴之间通过滚针轴承连接，在滚针轴承右端设置右垫片，右垫片连接定位卡簧，定位卡簧通过弹簧挡环连接弹簧；活塞、鼓和取力输出轴构成密闭的腔室。
  2. 根据权利要求1所述的一种动态离合分动箱，其特征在于：所述的摩擦片组包括摩擦片和钢片，摩擦片通过花键连接鼓，钢片通过花键连接取力输出齿轮。
  3. 根据权利要求1所述的一种动态离合分动箱，其特征在于：所述的O型垫圈的数量为6个。
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