The invention provides an ultrasonic probe for detecting the rail bottom of a service steel rail, a detection device and a detection method. The ultrasonic probe comprises a bicrystal mixed probe for detecting a second detection blind area of the rail bottom and a tricrystal mixed probe for detecting a first detection blind area of the rail bottom; the twin-crystal mixing probe comprises a first shell, a first wafer and a second wafer, wherein the first wafer and the second wafer are arranged in the first shell; the first wafer and the longitudinal extension surface of the steel rail form a first preset included angle, and the second wafer and the longitudinal extension surface of the steel rail form a second preset included angle; the first wafer and the second wafer form a third preset included angle; the tri-crystal mixed probe comprises a second shell, a third wafer and a bimorph, the third wafer and the bimorph are arranged in the second shell, a fourth preset included angle is formed between the third wafer and the longitudinal extension surface of the steel rail, and a fifth preset included angle is formed between the bimorph and the longitudinal extension surface of the steel rail; a sixth preset included angle is formed between the third wafer and the bimorph; according to the invention, the rail bottom of the service steel rail can be effectively and comprehensively detected.
本发明提供一种服役钢轨轨底检测用超声探头、检测装置及检测方法,其中超声探头包括对轨底的第二检测盲区进行检测的双晶混合探头和对轨底的第一检测盲区进行检测的三晶混合探头;双晶混合探头包括第一壳体、设在第一壳体内的第一晶片和第二晶片;第一晶片与钢轨纵向延伸面呈第一预设夹角,第二晶片与钢轨纵向延伸面呈第二预设夹角;第一晶片和第二晶片呈第三预设夹角;三晶混合探头包括第二壳体、设在第二壳体内的第三晶片和双晶片,第三晶片与钢轨纵向延伸面呈第四预设夹角,双晶片与钢轨纵向延伸面呈第五预设夹角;第三晶片和双晶片呈第六预设夹角;本发明能够对服役钢轨轨底进行有效全面的检测。
Ultrasonic probe for detecting rail bottom of service steel rail, detection device and detection method
一种服役钢轨轨底检测用超声探头、检测装置及检测方法
06.12.2024
Patent
Elektronische Ressource
Chinesisch
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / B61K Andere Hilfseinrichtungen für Eisenbahnen , OTHER AUXILIARY EQUIPMENT FOR RAILWAYS / B61D Einzelheiten oder Arten des Wagenaufbaus von Eisenbahnfahrzeugen , BODY DETAILS OR KINDS OF RAILWAY VEHICLES / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES |
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