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SYSTEM OF MONITORING OF FATIGUE OF MATERIAL IN BENDING FOR STEEL ROPES WITH ACTION OF CORROSION AND VARIABLE LOAD ON THEM
SYSTEM OF MONITORING OF FATIGUE OF MATERIAL IN BENDING FOR STEEL ROPES WITH ACTION OF CORROSION AND VARIABLE LOAD ON THEM
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机译:具有腐蚀和可变载荷作用的钢索弯曲材料疲劳监测系统
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FIELD: machine building.;
SUBSTANCE: invention relates to a monitoring system and, in particular, to the bending material monitoring system for steel ropes under the action of corrosion and oscillating load on them. System contains drive system, system of loads of fluctuating force, reverse control system, setting system of the nearest angle, feed system of corrosive liquid, steel rope and the system of monitoring the condition of the steel rope. Steel rope gradually covers driving wheel of the drive system, guide pulley A and the experimental pulley A of the nearest angle setting system, pressing pulley of a fluctuating force load system and an experimental pulley B and a guide pulley B of the nearest angle setting system. Ends of the rope are connected together to form a closed loop. Closest angle between the steel rope and the pressing pulley can be adjusted by setting the experimental pulley A and the experimental pulley B, the nearest angle between the steel rope and the experimental pulley A and the closest angle between the steel rope and the experimental pulley B can be adjusted by setting the guide pulley A and the guide pulley B, and then the three nearest angles will be equal. Reverse control system consists of a proximity limit switch A, a proximity limit switch B, a perceptual sensor A and a perceptual sensor B, a proximity limit switch A and a proximity limit switch B are respectively installed on a sub-frame A, and are installed on both sides of the guide pulley, the perceptual sensor A and the perceptual sensor B are respectively installed on a steel cable from the same side. When the proximity limit switch A and the proximity limit switch B, which are connected to the external control terminals of the conversion transducer of the reverse control system, respectively, find the sensor of perception A and the sensor of perception B, the conversion transducer adjusts the drive system motor to change the operating direction of the output shaft. System for monitoring the condition of the steel rope consists of a device for tracking the cable tension, a device for finding out the damage of the cable, a device for tracking micro-slip and a device for measuring the radial deformation of a steel cable. Corrosion-active liquid addition system is connected to the steel rope to ensure the supply of corrosion-active liquid to the steel rope.
;EFFECT: technical result: the ability to reproduce the operating conditions of mining machinery.;9 cl, 3 dwg
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