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Electromagnetic sound detection robot for storage tank

An electromagnetic acoustic and robot technology, applied in the direction of instruments, measuring devices, scientific instruments, etc., can solve the problems of wall-climbing robots, such as difficulty in turning, difficulty in realizing thickness and cracks, and unreliable adsorption, etc., to achieve easy full-coverage online detection and maintain high efficiency Reliable, magnetic adsorption reliable effect

Active Publication Date: 2020-04-10
HEFEI GENERAL MACHINERY RES INST +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Existing detection robots usually use ultrasonic and magnetic flux leakage detection methods, which are difficult to realize parallel detection of multiple defects such as thickness and cracks
It is difficult for existing wall-climbing robots to turn when crawling on the storage tank wall. At the same time, the adsorption is not reliable during the obstacle-crossing process, and it is easy to fall off the working surface.

Method used

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  • Electromagnetic sound detection robot for storage tank
  • Electromagnetic sound detection robot for storage tank
  • Electromagnetic sound detection robot for storage tank

Examples

Experimental program
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Embodiment Construction

[0034] Such as Figure 1-4 As shown, a storage tank electromagnetic acoustic detection robot includes a frame 1, a walking assembly, a driving assembly 5, and an electromagnetic acoustic sensor. The driving assembly 5 is used to drive the walking assembly to move.

[0035] The walking assembly includes a magnetic mechanism adsorbed on the storage tank 7 . In this solution, the walking assembly includes a universal wheel unit 3 and a crawler unit 2 , and the drive assembly 5 drives the crawler unit 2 to move. There are two crawler units 2 and drive assemblies 5, which are symmetrically installed on both sides of the front of the frame 1, and two universal wheel units 3, which are symmetrically hinged and installed on both sides of the rear of the frame 1. The array of electromagnetic acoustic sensors and electromagnetic control unit 6 is in the middle of the rack 1 . The center of gravity of the robot is stable like this.

[0036] The outward wheel unit, the track unit 2 and...

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PUM

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Abstract

The invention relates to the technical field of automatic nondestructive testing, in particular to an electromagnetic sound detection robot for a storage tank. The robot comprises an electromagnetic sound sensor, the electromagnetic sound sensor comprises an electromagnet and a coil, the coil is arranged in a fixedly-arranged magnetic field of the electromagnet, the coil is connected with the excitation end and the signal receiving end of an electromagnetic control unit, and the electromagnet enables the robot to be attracted to a storage tank. The robot has the advantages that the electromagnet is not only used for manufacturing the electromagnetic acoustic sensor, the magnitude of excitation magnetic current is controlled through the electromagnetic control unit, the storage tank is detected through electromagnetic acoustic excitation, and in addition, the robot is attracted to the storage tank through the electromagnet.

Description

technical field [0001] The invention relates to the technical field of automatic non-destructive testing, in particular to an electromagnetic-acoustic testing robot for storage tanks. Background technique [0002] Crude oil reserves are related to national energy strategy security and social and economic development. In the middle of 2016, my country has built 9 national oil reserve bases. The long-term plan is to establish a reserve capacity of at least 90 days of net oil imports. At present, my country has as many as 30,000 units and more than 4,000 Cubic meter of oil storage tanks. Storage tanks serve as oil-carrying containers in harsh medium environments for a long time. The upper and lower surfaces of tank bottoms and filling walls will suffer from corrosion factors such as petroleum mixtures, sulfide oxide aqueous solutions, oxidation, etc., and even form perforations. Once failure or medium leakage occurs, it will Cause fire, explosion, environmental pollution and ot...

Claims

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Application Information

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IPC IPC(8): G01N29/04G01N29/24G01N29/34G01N17/00G01B17/02
CPCG01N29/048G01N29/2412G01N29/34G01N17/00G01B17/02G01N2291/023G01N2291/0289G01N2291/2695
Inventor 王哲陈学东王冰范志超程经纬阎长周关卫和
Owner HEFEI GENERAL MACHINERY RES INST
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