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Non-contact component section corrosion amount measuring device and method

A non-contact, measuring device technology, applied in the direction of measuring devices, instruments, etc., can solve the problems of not being able to represent the amount of cross-section corrosion, and the degree of corrosion of metal structures cannot be achieved, and achieve the effect of simple operation

Pending Publication Date: 2022-07-22
FUJIAN SPECIAL EQUIP TESTING RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the detection method of the corrosion amount of the metal structure of the crane basically uses an ultrasonic thickness gauge to measure the remaining thickness of the steel plate, but this method measures the thickness of the steel plate at a single measurement point, and its value cannot represent the corrosion amount of the entire section
Therefore, it is impossible to judge the corrosion degree of metal structures, and there is an urgent need for a method that can quickly measure the corrosion of component sections.

Method used

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  • Non-contact component section corrosion amount measuring device and method
  • Non-contact component section corrosion amount measuring device and method
  • Non-contact component section corrosion amount measuring device and method

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Embodiment 1

[0069] Please refer to figure 1 , the first embodiment of the present invention is:

[0070] A non-contact component section corrosion measurement device, such as figure 1 As shown, it includes a support base 1 and a measuring device located on the support base 1 . The measuring device includes a displacement control mechanism, a microcontroller 2 and a range finder 3 . Wherein, the displacement control mechanism includes a displacement transmission part and a driving part. The displacement transmission components include a screw rod 4 , a nut 5 , a rolling bearing 10 and a guide rod 6 . In addition, the microcontroller 2 also has a display screen for displaying the measured data and processing results.

[0071] In this embodiment, the laser range finder 3 is selected as the range finder 3, and in other equivalent embodiments, other ranging devices such as an infrared range finder can also be selected.

[0072] In this embodiment, as figure 1 As shown, the distance meter...

Embodiment 2

[0075] Please refer to Figure 1 to Figure 4 , the second embodiment of the present invention is:

[0076] A method for measuring the corrosion amount of a non-contact component section, which is applied to a non-contact component section corrosion amount measuring device of the first embodiment, such as image 3 shown, including the following steps:

[0077] S1, align the distance measuring port of the distance meter 3 with the surface of the member to be measured 12;

[0078] S2. The microcontroller 2 outputs a high-frequency periodic pulse signal to drive the displacement control mechanism to drive the distance meter 3 to move in the same direction, and simultaneously record the preset displacement and The distance meter 3 measures the distance measurement data to the surface of the member to be measured 12 once;

[0079] In this embodiment, as figure 1 As shown, the support base 1 is placed in a position where the component to be tested 12 is not corroded. The distanc...

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Abstract

The invention discloses a non-contact type component section corrosion amount measuring device and method. The non-contact type component section corrosion amount measuring device comprises a supporting base and a measuring assembly located on the supporting base. The measuring assembly comprises a displacement control mechanism, a microcontroller and a range finder. And the displacement control mechanism is fixedly connected with the distance measuring instrument and is used for driving the distance measuring instrument to do linear motion parallel to the to-be-measured component above the to-be-measured component. The microcontroller is electrically connected with the distance measuring instrument and the displacement control mechanism. The distance measuring instrument is used for measuring the distance from the distance measuring instrument to the surface of the to-be-measured component. The measuring device is composed of the distance measuring instrument, the microcontroller and the displacement control mechanism, the distance measuring instrument is controlled to scan the section of the component to be measured, the depth of the corrosion position on the surface of the component is subjected to multi-point dense measurement, the section of the corrosion position is segmented, and then numerical integration is used for integration. And the corrosion amount of the section of the component can be conveniently and accurately measured.

Description

technical field [0001] The invention relates to the technical field of inspection and detection of special equipment, in particular to a non-contact component section corrosion amount measuring device and method. Background technique [0002] The metal structure is the supporting frame of the crane, which is used to support the self-weight and the gravity of the lifted objects and external loads, etc., but the working environment of the crane is relatively harsh, and the metal structure is prone to corrosion. According to the requirements of GB6067 "Safety Regulations for Hoisting Machinery": when the main stress components of the crane metal structure are corroded, inspection and measurement should be carried out. . [0003] At present, the detection method of the corrosion amount of the crane metal structure basically uses an ultrasonic thickness gauge to measure the remaining thickness of the steel plate, but this method measures the thickness of the steel plate at a sin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B21/18
CPCG01B21/18
Inventor 郑仲浪赵会民邓志华曾耀传
Owner FUJIAN SPECIAL EQUIP TESTING RES INST