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    • 7. 发明授权
    • Bolting rigs
    • 螺栓钻机
    • US06814155B1
    • 2004-11-09
    • US09550035
    • 2000-04-14
    • Brad NielsonJohn PointerGregory S. Wilson
    • Brad NielsonJohn PointerGregory S. Wilson
    • B23Q500
    • B23Q5/34E21D20/003
    • The invention provides a bolting installation apparatus comprising a base having a pair of parallel cylindrical rods held between two end plates; an intermediate carriage slidably mounted on said rods; a drilling unit carriage having at least one first rod and at least one second rod spaced apart from said first rod; a drilling unit slidably mounted on said second rod and said intermediate carriage slidably receiving said first rod of said drilling unit carriage; at least one moving means to move each of said base, said intermediate carriage and said drilling unit carriage relative to each other.
    • 本发明提供了一种螺栓安装装置,其包括:基座,其具有保持在两个端板之间的一对平行的圆柱形杆; 可滑动地安装在所述杆上的中间托架; 具有至少一个第一杆和与所述第一杆间隔开的至少一个第二杆的钻孔单元托架; 钻孔单元可滑动地安装在所述第二杆上,所述中间托架可滑动地容纳所述钻井单元托架的所述第一杆; 至少一个移动装置,用于相对于彼此移动所述基座,所述中间托架和所述钻孔单元托架中的每一个。
    • 10. 发明授权
    • Method for steering a mining machine cutter
    • 用于转向采矿机切割机的方法
    • US08157331B2
    • 2012-04-17
    • US12619166
    • 2009-11-16
    • Edward F. NiederriterGregory S. Wilson
    • Edward F. NiederriterGregory S. Wilson
    • E21C35/24
    • E21C35/24
    • A control system monitors the angle of each ranging arm, with respect to the mainframe of the machine. While the machine is in a defined zone along the face, if the angle of the arm is detected to be lower than a parameter defined set-point called the undercut limit, the control system does not allow the arm to be lowered further. When entering the run of face from either gate end, if either of the ranging arms are below the set point, the horizontal movement of the shearer is stopped, and an alarm message is generated, and a warning light begins to flash, alerting the operator that he must raise the arm before horizontal movement of the shearer can be enabled.
    • 控制系统监测每个测距臂相对于机器主机的角度。 当机器沿着面部处于限定区域时,如果检测到臂的角度低于称为底切限制的参数定义的设定点,则控制系统不允许手臂进一步降低。 当从任一门口进入面部行程时,如果任一测距臂低于设定点,则停止采煤机的水平运动,并产生报警信号,并且警告灯开始闪烁,提醒操作者 在采煤机的水平运动之前,他必须抬起手臂才能启用。