Mine Safety and Health Administration
Protecting Miners' Safety and Health Since 1978
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U.S. Department of Labor Mine Safety and Health Administration Protecting Miners' Safety and Health Since 1978 |
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When a broken tooth from a mining shovel or loader gets caught in the mine's crushing or processing equipment, there is a potential for the tooth to be shot from the equipment at very high speeds potentially creating a lethal situation. There are also many inherent dangers involved with manually removing a tooth that has become stuck in a crusher. To avoid these situations, a system has been developed to immediately detect a broken bucket/dipper tooth and warn the operator of the incident.
The system employs a camera system to constantly monitor the bucket or dipper during each digging cycle. When a lost tooth is detected, the system immediately alerts the operator with an audible alarm as well as a warning light on the LCD screen indicating which tooth is broken. The operator is also able to visually monitor the bucket on the LCD screen to assist with bucket fill-factor, truck positioning, and collision avoidance, as well as observing the bucket for any other damage such as broken lip shrouds. The system employs the latest machine-vision and image-processing techniques to decide if all of the teeth are present based on the images obtained from a rugged, high-resolution camera mounted on the boom. If you are a manufacturer or know of any manufacturers of similar products, please contact MSHA, Approval and Certification Center at 304-547-0400 or e-mail InnovativeProducts@dol.gov.
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Mine Safety and Health Administration (MSHA) 1100 Wilson Boulevard, 21st Floor Arlington, VA 22209-3939 |
Phone:
(202) 693-9400 Fax-on-demand: (202) 693-9401 Technical (web) questions: Webmaster On-line Filing Help: MSHAhelpdesk@dol.gov or call (877) 778-6055 Contact Us | |
