A device for accelerating penetration of penetrant by pressurization and its operation method

Abstract

The invention discloses a device for accelerating penetration of a penetrant through pressurization. The device for accelerating the penetration of the penetrant through pressurization comprises a penetrant pressurizer and a patch, wherein the penetrant pressurizer comprises an upper shell, a lower shell and a circuit touch device; the lower shell is connected to the lower end of the upper shell;a piston sliding up and down along the inner wall of the lower shell is arranged inside the lower shell; a handle is formed at the upper end of the upper shell; the circuit touch device comprises a power switch button, a circuit board, an electromagnetic coil assembly electrically connected with the circuit board, a movable iron core and a push rod; the power switch button is mounted at the top ofthe handle; the circuit board is arranged inside the handle; the electromagnetic coil assembly is fixedly mounted inside the upper shell; a spring is mounted on the periphery of the movable iron core; a rubber pad is arranged between the upper end part of the movable iron core and the top end of the inner part of the upper shell; the electromagnetic coil assembly is mounted at the lower end partof the movable iron core; the movable iron core is fixedly connected with the push rod; a push rod cap is arranged at one end, near the lower end part of the upper shell, of the electromagnetic coil assembly; the push rod is fixedly connected with the piston. The device for accelerating the penetration of the penetrant through pressurization improves the working efficiency.

Description

technical field [0001] The invention relates to the technical field of non-destructive testing penetration testing equipment, in particular to a device for accelerating penetration of penetrating agents through pressurization and an operation method thereof. Background technique [0002] The general steps of penetration testing in non-destructive testing: 1. Surface treatment of the object under inspection; 2. Application of penetrant; 3. Stalling for a certain period of time; 4. Cleaning of surface penetrant; 5. Application of imaging agent; 6. Residual penetration inside the defect The liquid is absorbed by the imaging agent for observation; 7. Defect determination. [0003] The working principle of penetrant testing is: after the surface of the workpiece is coated with a penetrant containing fluorescent dyes or colored dyes, under capillary action, after a certain period of time, the penetrant can penetrate into the surface opening defects; remove excess penetrant on the ...

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Problems solved by technology

[0004] The length of time and temperature range in the infiltration process have a great influence on the detection sensitivity. When the infiltration temperature is in the range of 15-50°C, the infiltration time is generally divided into 5-10 minutes; when the infiltration temperature is reduced to 3-15°C The penetration time should be appropriately increased according to the temperature. If the temperature is too high, the penetrant will easily dry on the workpiece to be inspected, which will make cleaning difficult; In the prior art, the penetration process of non-destructive testing is greatly affected by the natural environment, which affects the testing results

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