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Ultrasonic thickness gauge for ductile iron pipe

An ultrasonic and thickness gauge technology, which is applied in the field of ultrasonic thickness gauges for ductile cast pipes, can solve the problems of slow speed, inability to adapt to modern production, and inability to measure pipelines.

Pending Publication Date: 2022-08-09
NANJING INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These traditional detection methods are slow and labor-intensive, and can no longer meet the needs of modern production, and cannot measure all positions of the pipeline

Method used

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  • Ultrasonic thickness gauge for ductile iron pipe
  • Ultrasonic thickness gauge for ductile iron pipe
  • Ultrasonic thickness gauge for ductile iron pipe

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Experimental program
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Embodiment Construction

[0028] The technical solutions of the present invention will be further explained below with reference to the accompanying drawings.

[0029] like Figure 1-4 , the ultrasonic thickness gauge of the ductile cast pipe of the present invention includes: a couplant chamber, an ultrasonic probe mechanism, a couplant opening and closing mechanism, an adaptive fitting mechanism, and a couplant control box, and the couplant opening and closing mechanism is installed in the couplant chamber through screws On the lower side of the couplant, the adaptive fitting mechanism is installed on the couplant opening and closing mechanism through the guide bolt, the ultrasonic probe mechanism is set on the couplant chamber, and the couplant control box is connected to the couplant chamber through the couplant pipe. It is used to control parameters such as flow rate and pressure of the couplant. The ultrasonic thickness gauge of the nodular cast pipe of the invention injects the couplant into th...

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Abstract

The invention discloses an ultrasonic thickness gauge for a ductile iron pipe, and relates to the technical field of pipeline detection. The ultrasonic thickness gauge comprises a coupling agent chamber, an ultrasonic probe mechanism, a coupling agent opening and closing mechanism, a self-adaptive attaching mechanism and a coupling agent control box, the coupling agent opening and closing mechanism is installed on the lower side of the coupling agent chamber through a screw, and the self-adaptive attaching mechanism is installed on the coupling agent opening and closing mechanism through a guide bolt. The ultrasonic probe mechanism is arranged on the coupling agent chamber, and the coupling agent control box is connected with the coupling agent chamber through a coupling agent pipeline. The ultrasonic thickness gauge for the spheroidal graphite cast pipe can change the ultrasonic probe according to different pipeline materials, realizes the measurement of the wall thickness of pipelines made of different materials, and has the characteristics of compact structure, rapidness and convenience in detection, easiness in maintenance and low use cost.

Description

technical field [0001] The invention relates to the technical field of pipeline detection, in particular to an ultrasonic thickness gauge of a ductile cast pipe. Background technique [0002] The ductile iron pipe used for the transportation of water, natural gas, oil, etc. is a metal material with coarse grains, and the grain distribution is characterized by anisotropy. Affected by interface scattering, it may not be possible to receive accurate echo ultrasonic signals. At the same time, defects such as pores and slag inclusions that may exist in the ductile cast pipe will cause great absorption and scattering of ultrasonic waves, resulting in ultrasonic waves in the cast pipe. There are greater difficulties in reflection and propagation. In addition, the surface of the ductile iron pipe is relatively rough. If the coupling conditions during ultrasonic emission are relatively poor, the signal received by the transducer is relatively small, and at the same time, there will ...

Claims

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Application Information

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IPC IPC(8): G01B17/02
CPCG01B17/02Y02P10/20Y02E30/30
Inventor 任长志雷毅王尘凡
Owner NANJING INST OF TECH
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