Wheel set-based phased array ultrasonic flaw detection device
An ultrasonic flaw detection and phased array technology, which is applied in measuring devices, using optical devices, and using sound waves/ultrasonic waves/infrasonic waves to analyze solids, etc., can solve the problems of wasting manpower, material resources, troubles, and prone to missing inspections.
Active Publication Date: 2019-02-22
EAST CHINA JIAOTONG UNIVERSITY
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Among them: manual detection uses a hammer to tap the wheel set to distinguish the sound and observe the shape of the wheel set to judge the damage of the wheel set. , each flaw detection can only be carried out on a certain angle of the wheel pair, and when multiple angles of the wheel pair are required, it is necessary to change multiple corresponding angles of the probe of the device, which is very troublesome and wastes a lot of manpower and material resources
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[0033] The present invention will be described in further detail below in conjunction with the embodiments and with reference to the accompanying drawings.
[0034] see Figures 1 to 9 , shows a wheel set-based phased array ultrasonic flaw detection device in the present invention, including a geomagnetic sensor 1, a first infrared emitter 2, a first infrared receiver 3, an ultrasonic sensor group 4, a water spray device 5, HD night vision camera group 6, controller 7, infrared transmitter group 21, infrared receiver group 22.
[0035] Such as figure 1 As shown, the geomagnetic sensor 1 is installed on the sleeper in front of the railway station platform to detect the vehicle that is about to enter the station, so that the ultrasonic sensor group 4 and the high-definition night vision camera group 6 enter the working state in advance and wait for the detection of the wheelset. 1 The first infrared emitter 2 and the first infrared receiver 3 are installed in the front to dete...
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Abstract
The invention discloses a wheel set-based phased array ultrasonic flaw detection device which is composed of a geomagnetic sensor, a first infrared transmitter, a first infrared receiver, an ultrasonic sensor group, a water spraying device, a high-definition night vision camera group and a controller. The detection method comprises the following steps: detecting a coming railway vehicle by adopting the geomagnetic sensor, forming a phased array ultrasonic flaw detection device by adopting the ultrasonic sensor group to perform flaw detection on the wheel set by a certain depth, performing image acquisition and recognition on the rim of the wheel set and the surface of the tread by virtue of the high-definition night vision camera group, recognizing the cracks and rusts on the rim and treadsurface, detecting the variation of the string of the wheel set by adopting an active infrared intrusion detector to calculate the variation of the wheel set diameter, and further judging the outer profile variation of the wheel set. The outer profile dimension parameters of the wheel set, particularly parameters of the tread and rim parts of the wheel set, can be effectively and accurately measured, and are compared with set safety thresholds, so that the wheel set deformation, tread defect positions and wheel polygons can be obtained.
Description
technical field [0001] The invention relates to the field of wheel set flaw detection, in particular to a wheel set based phased array ultrasonic flaw detection device. Background technique [0002] The wheel set is an important component to ensure the running and steering of the rail vehicle on the rail, bear all the static and dynamic loads from the rail vehicle, transfer it to the rail, and transfer the load caused by the uneven line to the components of the rail vehicle part. The working state of the rail vehicle wheel set plays a vital role in the safe operation of the locomotive. However, factors such as improper operation of the driver for emergency braking and weak wheel brake shoe materials will damage the locomotive wheel. Therefore, the working status of the wheel set is captured by means of flaw detection, and maintenance plans and management are made in a targeted and predictive manner Decision-making is of great significance to ensure the safe and reliable op...
Claims
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Login to View More IPC IPC(8): G01N29/04G01N21/952G01B11/16
CPCG01B11/16G01N21/952G01N29/04G01N2291/023G01N2291/0289
Inventor 朱海燕曹文琴王超文朱志和
Owner EAST CHINA JIAOTONG UNIVERSITY