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    • 6. 发明授权
    • Traveling control equipment of construction machine
    • 施工机械旅行控制设备
    • US5529134A
    • 1996-06-25
    • US403711
    • 1995-03-16
    • Makoto Yomogita
    • Makoto Yomogita
    • E02F9/16B60N2/75E02F9/20E02F9/22G05G1/01B62D11/04
    • G05G1/01B60N2/4693E02F9/20E02F9/2004
    • According to the present invention, front visibility is improved, entry into a cab or exit therefrom by an operator is facilitated, fine operability by a traveling pedal is improved, and foot fatigue is decreased. To achieve this, when the palm rest (56) is detected in its neutral position N, forward or rearward speed signals for respective traveling hydraulic motors in response to detection signals of control input detectors (19a, 20a) of left and right traveling knobs (19, 20) are outputted to respective control valves from a controller (15). When the palm rest is not detected in its neutral position N, the larger one of the detection signals issued from these control input detectors (19a, 20a) is converted into the forward or rearward speed signals for the left and right traveling hydraulic motors (9, 10) in response to a detection signal of the control input detector (21a) of the traveling pedal (21), and a smaller detection signal issued from one of these control input detectors (19a, 20a) causes the controller (15 ) to output the forward or rearward speed signals for the left and right traveling hydraulic motors (9, 10) in accordance with a product of a ratio of the smaller detection signal to the larger detection signal and the detection signal issued from the control input detector (21a) of the traveling pedal (21), and the forward or rearward speed signals are outputted to respective control valves from the controller (15).
    • PCT No.PCT / JP93 / 01358 Sec。 371日期1995年3月16日 102(e)1995年3月16日PCT PCT 1993年9月22日PCT公布。 公开号WO94 / 06974 根据本发明,提高了前视野度,操作者进入驾驶室或从驾驶室出来,提高了行驶踏板的精细操作性,降低了脚部疲劳。 为了实现这一点,当响应于左和右行进旋钮的控制输入检测器(19a,20a)的检测信号,在其中立位置N检测到掌托(56)时,各行驶液压马达的前进或后退速度信号( 19,20)从控制器(15)输出到相应的控制阀。 当在其中立位置N没有检测到手掌时,从这些控制输入检测器(19a,20a)发出的较大的一个检测信号被转换成用于左右行进液压马达(9)的前进或后退速度信号 ,10)响应于行驶踏板(21)的控制输入检测器(21a)的检测信号,并且从这些控制输入检测器(19a,20a)之一发出的较小的检测信号使得控制器(15) 根据较小检测信号与较大检测信号的比率和从控制输入检测器(21a)发出的检测信号的乘积,输出左右行驶液压马达(9,10)的前后速度信号 ),并且前进或后退速度信号从控制器(15)输出到各个控制阀。