Detection method, apparatus and device
A detection method and technology of a detection device, applied in the detection field, can solve the problems of low efficiency, high cost, error-prone, etc., and achieve the effects of high detection efficiency, improved production efficiency, high detection accuracy and detection speed
Active Publication Date: 2020-01-21
HANS LASER TECH IND GRP CO LTD +1
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Problems solved by technology
[0004] In order to solve the above problems, the embodiments of the present invention provide a detection method, device and equipment for the crank block of the crankshaft to solve the problems of high cost, low efficiency and error-prone caused by manual inspection of the existing crank block
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[0050] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. The terms "first", "second" and the like in the description and claims of the present invention and the above drawings are used to distinguish different objects, rather than to describe a specific order. Furthermore, the terms "include" and "have", as well as any variations thereof, are intended to cover a non-exclusive ...
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The embodiments of the invention belong to the technical field of detection, and relate to a detection method, apparatus and device. The detection method, apparatus and device are used for detecting acrankshaft crank block. The method comprises the steps of: obtaining an image of a detection area located in a strong light state; preprocessing the image, determining whether a detected crankshaft crank block is included in the image according to a preprocessed image, and when the crankshaft crank block is included, obtaining position information of a center of the crankshaft crank block as wellas position information of a center of an assembly hole on the crankshaft crank block, and obtaining an eccentric distance of the center of the assembly hole relative to the center of the crankshaftcrank block based on the obtained two pieces of position information; and determining whether the crankshaft crank block meets a specification according to that whether the eccentric distance is within a preset range. The solution provided by the invention has higher detection accuracy and speed; by quickly determining whether the crankshaft crank block meets the specification, the crankshaft crank block not meeting the specification may be removed in time; and a safety guarantee is provided for automatic assembly of the crankshaft crank block, and the labor cost is reduced.
Description
technical field [0001] The embodiments of the present invention belong to the technical field of detection, and in particular relate to a detection method, device and equipment. Background technique [0002] In automobile engines, air-conditioning compressors and other mechanical structures that need to convert rotary motion into linear motion, the crankshaft is one of the most critical components. The processing and installation requirements of the crankshaft are very high. At present, the installation and welding of the crankshaft have been automated. . [0003] The crankshaft crank block is an indispensable functional component of the crankshaft, and each crankshaft needs to install multiple crankshaft crank blocks, and each crankshaft of different specifications needs to install crankshaft crank blocks of different specifications. In the process of automatic crankshaft assembly, when installing crankshaft crank blocks with wrong specifications, it is very likely to dama...
Claims
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IPC IPC(8): G01B11/27
CPCG01B11/27
Inventor 林德育余锦望谢峰粹封雨鑫陈焱高云峰
Owner HANS LASER TECH IND GRP CO LTD