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Train shaft unloading groove probe

A technology for train shafts and unloading tanks, which is applied to the use of sound waves/ultrasonic waves/infrasonic waves for material analysis, measuring devices, instruments, etc., which can solve problems such as easy missing detection, limited probe movement range, and no flaw detection equipment. The effect of driving safety

Inactive Publication Date: 2015-11-18
CHANGZHOU CHANGCHAO ELECTRONICS RES INSTCO
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0002] The journal unloading groove is an important part of the train shaft. Due to the complex shape of the unloading groove, for example, there is a flaw detection blind spot at the transition arc between the journal and the dust plate seat; there is a central hole on the end surface of the shaft, which limits the probe Necessary range of movement, easy to miss
Therefore, in the current ultrasonic flaw detection method, there is no flaw detection equipment specifically for unloading grooves.

Method used

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  • Train shaft unloading groove probe
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Embodiment Construction

[0012] The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

[0013] Such as figure 1 As shown, a train shaft unloading tank probe includes a housing 1, two longitudinal wave probes 2 and a positioning pin 3, the two longitudinal wave probes 2 are arranged inside the housing 1, and the positioning pin 3 is pierced through the housing 1 The middle part and both ends of the positioning pin 3 protrude from the shell 1, and two longitudinal wave probes 2 are symmetrically arranged on both sides of the positioning pin 3, and the longitudinal wave probe 2 includes a protective film 2-1, a probe core and a joint 2-2 in sequence , the positioning pin 3 includes a head 3-1 and a tail 3-2, and the joint 2-2 and the tail 3-2 of th...

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Abstract

The invention relates to a train shaft unloading groove probe, which comprises a housing, two longitudinal wave probes and a positioning pin; the two longitudinal wave probes are arranged in the housing, the positioning pin passes through the middle part of the housing and the two ends of the positioning pin protrude out of the housing, two longitudinal wave probes are symmetrically arranged at two sides of the positioning pin. Each longitudinal wave probe comprises a protection membrane, a probe core and a connector in order, the positioning pin comprises a head and a tail, and the connectors and the tail of the positioning pin are located at the same side of the housing; the shaft end face of the train shaft is provided with a center bore, and the external diameter of the head of the positioning pin is matched with the internal diameter of the center bore. The train shaft unloading groove probe provided by the invention can be used for effective safety detection of the train shaft, and the detection is convenient and fast, thereby guarantying traffic safety.

Description

technical field [0001] The invention relates to the technical field of train axle flaw detection, in particular to a train axle unloading groove probe. Background technique [0002] The journal unloading groove is an important part of the train shaft. Due to the complex shape of the unloading groove, for example, there is a flaw detection blind spot at the transition arc between the journal and the dust plate seat; there is a central hole on the end surface of the shaft, which limits the probe The necessary range of movement is easy to miss. Therefore, in the current ultrasonic flaw detection method, there is no flaw detection equipment specially for the unloading groove. Contents of the invention [0003] The technical problem to be solved by the present invention is: in order to overcome the deficiencies in the prior art, the present invention provides a probe for a train axle unloading groove. [0004] The technical solution adopted by the present invention to solve t...

Claims

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Application Information

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IPC IPC(8): G01N29/24
Inventor 周南岐
Owner CHANGZHOU CHANGCHAO ELECTRONICS RES INSTCO
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