首页> 外国专利> Manner and device null in order depending on load, to change the liquid pressure type run Drive device of the self-propelled type constructive engineering works

Manner and device null in order depending on load, to change the liquid pressure type run Drive device of the self-propelled type constructive engineering works

机译:方式和装置根据负荷为零,改变液压式运行自推进式建设工程的驱动装置

摘要

(57) Abstract At least, one liquid pressure variable delivery pump and, it has with the liquid pressure travelling motor and the power-shift drive of one 2 step types which especially are controlled at least, this power-shift drive through that driven shaft, it drives the axis of the constructive engineering works machine, power-shift drive through 1 shift valves at least with pneumatics, liquid pressure or voltage, it is shifted, the liquid pressure travelling drive of the self-propelled type construction engineering works machine power shift as for method in order possibly to change, depending on load between the shift steps of power-shift drive, way it can shift securely and automatically, improvementIt is done. This, power-shift drive (1) depending on load, at least to 1 change elements (5) operates is connected in order to shift automatically, the switch (7) by operating and is in turn operated by the response liquid pressure which, 2 pressure switches (3,4), differs at least, depending on the laden state where the inside of the liquid pressure type travelling circuit is beforehand decided on the one hand or the other pressure switch (3,4) by the change element (5) is operated, is achieved this change element to shift power-shift drive the shift valve in order (1) (6) by operating electrically.
机译:(57)<摘要>至少有一个液压可变输出泵,它具有液压行进马达和至少特别受控制的两级式的动力换向驱动器,该动力换向驱动器通过从动轴,它驱动建筑工程机械的轴,至少通过气动,液压或电压通过1个换向阀进行动力换挡驱动,进行换挡,自行式建筑工程的液压行进驱动为了根据动力变速驱动器的变速步骤之间的负荷,可以改变方法的机械动力变速,可以安全,自动地变速,改善。该动力换挡驱动器(1)根据负载,至少要对一个换向元件(5)进行操作,以便自动换挡,开关(7)通过操作而又通过响应液压力进行操作, 2个压力开关(3,4)至少有所不同,这取决于在空载状态下,液压状态行进回路的内部是事先由换向元件(一方面,另一侧是预先确定) 5)操作,通过电动操作来实现该切换元件按顺序(1)(6)进行动力切换。

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