Intelligent detection system of special metallurgical vehicle wheel set bearings
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A special vehicle, intelligent inspection technology, applied in the field of inspection, can solve problems such as heavy disassembly and assembly workload, axle damage, waste of resources, etc., to achieve the effect of convenient maintenance and management, reduce inspection costs, and reduce inspection time
Active Publication Date: 2015-04-22
马鞍山马钢华阳设备诊断工程有限公司
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A one-time replacement not only requires a lot of disassembly and assembly work, but also causes damage to the axle, so replacing the axle will cause serious waste of resources
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[0042] An intelligent detection system for wheel set bearing defects of metallurgical special vehicles with wheel diameters of 760 mm and 840 mm ( figure 1 , figure 2 ), consisting of a hardware part and a software part. The hardware part mainly consists of a rotating platform 1, a hydraulic pump 8, a display and a cabinet 7, a personal computer, a signal adapter board and a signal acquisition card, an 8-way relay output module, a vibration sensor 4, and a rotating speed It is composed of sensors, hydraulic sensors and connecting lines of various parts; the software part is mainly composed of signal communication module, drive control module, data acquisition and processing module, data alarm and report generation module, etc.
[0043] The two vibration sensors used in this system are the acceleration sensor 780A of Wellcome Corporation of the United States, which are used to detect the vibration of the two wheel bearings respectively, and the operation of the detected wheel ...
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Abstract
The invention relates to an intelligent detection system of special metallurgical vehicle wheel set bearings. The system comprises a rotating platform, a hydraulic pump, a touch display, a personal computer, a computer cabinet, a signal switchboard, a signal acquisition card, an 8-path relay output module, a vibration sensor, a rotating speed sensor, a hydraulic sensor, connecting wires for each part, a signal communication module, a driving control module, a data acquisition and processing module and a data warning and report generating module. A wheel set is placed on the rotating platform, the computer controls the wheel set to be lifted to a designated position, vibration acceleration sensors are placed at horizontal positions of bearing at both sides of the wheel set, and belt pulleys are driven by a motor to rub with the wheel set. When the rotating speed keeps constant, the wheels stay in the uniform rotation state, vibration signals are started to be collected, test data is stored after collection, and the wheel set is put back to the original position. The software can analyze whether the wheel set has bearing faults through the rotating speed, the current bearing model and the vibration signal. With the detection system, the accuracy rate and the real-time performance are effectively increased, the detection time is reduced, and the detection cost is reduced.
Description
technical field [0001] The invention belongs to the technical field of detection, and the monitoring object is a wheel set bearing of a special metallurgical vehicle in the Masteel plant area. After the wheel set is lifted by the test platform, the vibration signal of the wheel set bearing at a constant speed is collected, and the signal is analyzed by the host computer. This technology is also applicable to the detection of wheel bearings of passenger and freight cars in railway systems. Background technique [0002] It is inevitable that some bearings will fail after the wheel set bearings of the rail transport vehicles in the large factory area have been in operation for many years. Under normal circumstances, the faulty bearing can be returned to the maintenance workshop for replacement. Of course, this will inevitably affect the normal transportation production. metal, it is very likely to expand into a safety accident. Therefore, it is necessary to regularly detect ...
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