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    • 2. 发明申请
    • Power Gear-Shifting Transmission and Engineering Machinery
    • 动力传动与工程机械
    • US20150027253A1
    • 2015-01-29
    • US14376589
    • 2012-04-12
    • Xiaogang YiSongqing LiQiang Chen
    • Xiaogang YiSongqing LiQiang Chen
    • F16H61/02F16H1/02
    • F16H61/0267F16D25/10F16D48/0206F16D2048/0269F16H1/02F16H63/3026F16H2061/004Y10T74/19251
    • A power gear-shifting transmission and an engineering machinery are disclosed. The power gear-shifting transmission comprises a clutch shaft assembly (1). The clutch shaft assembly (1) comprises a clutch shaft (11), a housing gear (12) arranged on the clutch shaft (11), a clutch disc (13) arranged within the housing gear (12), and a gear-shifting piston (14) arranged at one end of the clutch disc (13). The gear-shifting piston (14) is pushed by a clear hydraulic medium introduced via a fluid supply passage (3); the clean hydraulic medium is supplied by a hydraulic system (2). The engineering machinery comprises the power gear-shifting transmission. Because the power gear-shifting transmission and the engineering machinery employ the hydraulic system (2) to supply the clear hydraulic medium at stable pressure to the gear-shifting piston (14), the shortcomings in the prior art of unclear gear-shifting oil, unstable pressure, bubble content, and air-absorbing tendency are solved, while the advantages of stable gear-shifting and extended service life are provided.
    • 公开了一种动力变速传动装置和工程机械。 动力变速传动装置包括离合器轴组件(1)。 离合器轴组件(1)包括离合器轴(11),布置在离合器轴(11)上的壳体齿轮(12),布置在壳体齿轮(12)内的离合器盘(13) 活塞(14)布置在离合器盘(13)的一端。 变速活塞(14)由经由流体供给通道(3)引入的透明液压介质推动; 清洁的液压介质由液压系统(2)供应。 工程机械包括动力变速传动装置。 由于动力变速传动装置和工程机械采用液压系统(2)向变速活塞(14)提供稳定压力的清晰液压介质,所以现有技术中不清楚变速油的缺点, 解决了不稳定的压力,气泡含量和吸气倾向,同时提供了稳定的换档和延长的使用寿命的优点。