Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Moveable-gantry-based ultrasonic automatic flaw detection system for bent steel tubes

An ultrasonic and mobile technology, which is applied in the analysis of solids using sound waves/ultrasonic waves/infrasonic waves, material analysis using sound waves/ultrasonic waves/infrasonic waves, and measuring devices. It can solve cumbersome processes, low detection efficiency, and unsatisfactory detection accuracy. The large-volume bending pipe production requirements of enterprises and other issues can achieve the effect of simple motion control, reduced labor intensity, and improved ultrasonic detection efficiency.

Inactive Publication Date: 2014-11-05
ZHEJIANG UNIV
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current detection system can carry out automatic continuous and jog flaw detection on straight pipes. However, for a long time, in the relevant domestic oil pipeline production industry, the non-destructive testing of bent pipes has basically been carried out manually. After the magnetic particle inspection, the portable ultrasonic detector is used for inspection. The inspection results of the bent pipe are still based on experience and various charts. Not only is the process cumbersome, the workload is heavy, and the inspection efficiency is low. There are also certain misjudgments in the timely discovery
The traditional manual detection methods and detection instruments for curved pipes cannot meet the large-scale production requirements of large-caliber curved pipes in terms of detection speed and detection accuracy. Therefore, it is very necessary to develop a large-scale bend pipe ultrasonic automatic non-destructive testing system

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Moveable-gantry-based ultrasonic automatic flaw detection system for bent steel tubes
  • Moveable-gantry-based ultrasonic automatic flaw detection system for bent steel tubes
  • Moveable-gantry-based ultrasonic automatic flaw detection system for bent steel tubes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] combine figure 1 As shown, the present invention adopts a method in which the mobile gantry 2 is fed axially along the bent pipe 1 to be tested, and the chain-type ultrasonic probe frame 9 moves circumferentially on the surface of the bent pipe for detection when performing ultrasonic testing. The system consists of a bent pipe holding base, a moving gantry type feeding mechanism and two sets of bent pipe ultrasonic detection mechanisms with the same structure. The bent pipe holding base includes a set of hydraulic cylinders 23, hydraulic piston rods 24 and V-shaped support frames 25 The hydraulic support frame 8 constituted, the mobile gantry type feed mechanism includes a mobile gantry 2, a feed pneumatic telescopic rod 10, a transmission worm 11, a transmission worm wheel 16, a transmission rod 14, a motor mounting plate 12 and a feed servo mo...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

PropertyMeasurementUnit
diameteraaaaaaaaaa
Login to View More

Abstract

The invention discloses a moveable-gantry-based ultrasonic automatic flaw detection system for bent steel tubes. The system comprises a moveable-gantry-type feeding mechanism, two sets of ultrasonic detecting mechanisms for the bent steel tubes and a set of hydraulic support frames which constitutes a bent tube holding base. The moveable-gantry-type feeding mechanism comprises a moveable gantry, a feeding pneumatic telescopic link, a drive worm, a drive worm wheel, a drive link, an electric motor mounting plate, adjusting tracks and a feeding servo motor. Each set of the ultrasonic detecting mechanisms for bent steel tubes comprises a detecting sliding block, a trapezoid lead screw, a detecting servo motor, a detecting pneumatic telescopic link, a slewing mechanism for an ultrasonic probe frame around tubes and a chained ultrasonic probe frame. Each hydraulic support frame comprises a hydraulic cylinder, a hydraulic piston rod and a V-shaped support frame which is arranged at the hydraulic piston rod. According to the system, ultrasonic automatic flaw detection for large-aperture bent steel tubes can be realized, the precision and the efficiency of nondestructive tests for the bent steel tubes are effectively improved and the detection labor intensity of workers is alleviated.

Description

technical field [0001] The invention relates to an ultrasonic automatic flaw detection system for curved steel pipes, in particular to an ultrasonic automatic flaw detection system for curved steel pipes based on a moving gantry type. Background technique [0002] Bending steel pipes are an important part of long-distance oil and gas pipelines. Long-distance pipelines pass through many areas with complex terrain and harsh weather conditions. Therefore, large-diameter hot-simmered pipes need to be used in pipeline laying. In the past 20 years, elbows have been used more and more widely in large-diameter, high-pressure oil and gas transmission pipelines at home and abroad. The research on the application of large-diameter, thick-walled, low-temperature, and high-pressure pipe bends suitable for different working conditions is also deepening, and some engineering application results have been obtained, and the application fields of pipe bends are becoming more and more exte...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G01N29/04G01N29/265
Inventor 魏燕定陈越超周晓军李俊玉徐云文贤鹤王欣飞
Owner ZHEJIANG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products