Device and method for measuring wear of scraper conveyor sprocket based on focus shape restoration

A scraper conveyor and measuring device technology, applied in measuring devices, optical devices, instruments, etc., can solve problems such as tooth skipping and sprocket tooth breakage, so as to improve operation efficiency, ensure coal mine safety, and realize unmanned operation. The effect of chemical detection

Active Publication Date: 2019-12-20
SHANXI DIMAI WOKE PHOTOELECTRIC IND CO LTD
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  • Abstract
  • Description
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Problems solved by technology

The excessive wear of the sprocket teeth of the scraper conveyor has become one of the main reasons for the failure of fully mechanized mining equipment. The risk of sprocket tooth breakage, but at present there is no mature measurement technology for sprocket tooth wear at home and abroad

Method used

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  • Device and method for measuring wear of scraper conveyor sprocket based on focus shape restoration
  • Device and method for measuring wear of scraper conveyor sprocket based on focus shape restoration
  • Device and method for measuring wear of scraper conveyor sprocket based on focus shape restoration

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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the accompanying drawings.

[0024] Such as figure 1 , figure 2 As shown, the present invention is a scraper conveyor sprocket wear measurement device based on focus profile recovery. The sprocket 1 is provided with two rings of gear teeth, including an image acquisition device 10, a longitudinal centering device 11, and an arc centering device. Device 9, wear measurement module 12;

[0025] The longitudinal centering device 11 moves longitudinally so that the image acquisition device 10 centers the gear teeth in the longitudinal direction, and the arc centering device 9 drives the image acquisition device 10 to make an equidistant circular arc movement along the sprocket 1 so that the image acquisition device 10 aligns in the arc direction. For the middle gear tooth, the image acquisition device 10 is facing the end face of the detected gear tooth and gradually approaches and collects the gear...

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Abstract

A shape from focus based scraper conveyor chain wheel wear measuring device and a method in the invention belong to the technical field of equipment wear measurement. Provided are the shape from focusbased scraper conveyor chain wheel wear measuring device and the method which are capable of improving gear teeth measurement precision and efficiency, and reducing measurement cost. According to theinvention, the technical scheme is as follows: the device comprises an image acquisition device, a longitudinal alignment device, an arc alignment device and a wear measuring module, wherein the longitudinal alignment device longitudinally moves to make the image acquisition device align with a gear teeth in the longitudinal direction; the arc alignment device drives the image acquisition deviceto perform an equidistant arc motion along a chain wheel to make the image acquisition device align with the gear teeth in the arc direction; the image acquisition device faces and gradually approaches an end face of the detected gear teeth, and acquires gear teeth images; and the wear measuring module extracts a contour of the gear teeth from the acquired sequence gear teeth images by using a shape from focus technique, obtains a three-dimensional profile image of the gear teeth, completes depth measurement of a gear teeth surface profile, and obtains volume of the detected gear teeth.

Description

technical field [0001] The invention discloses a scraper conveyor sprocket wear measurement device and method based on focus profile recovery, and belongs to the technical field of scraper conveyor equipment wear measurement and safety assurance. Background technique [0002] With the rapid development of science and technology, focus shape recovery and measurement technology has been paid attention to by many fields. Especially in the field of industrial wear, focused topography measurement is also widely used. [0003] The scraper conveyor is the main production and transportation equipment in the fully mechanized mining face of the coal mine. It undertakes the important tasks of transporting coal, providing the fulcrum for the hydraulic support and providing the walking track for the shearer. Its reliability directly affects the safety of the modern coal mine. Efficient production. The sprocket is an important wearing part on the scraper conveyor, and it is widely used ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/00
CPCG01B11/00
Inventor 丁华李宁杨涛王义亮王淑平杨琨
Owner SHANXI DIMAI WOKE PHOTOELECTRIC IND CO LTD
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