Core Viewpoint - The investigation report on the "6·17" mechanical accident at the Tujun Coal Mine of Hunan Energy Group Jinzhushan Mining Co., Ltd. identifies the incident as a production safety responsibility accident, resulting in one fatality and direct economic losses of 1.3068 million yuan [1][3]. Incident Details - The accident occurred on June 17, 2025, at 23:10, when a scraper conveyor's head suddenly tilted and struck a worker, leading to his death [3]. - The incident took place at the second scraper conveyor head in the 2139 mining face, approximately 46 meters from the safety exit [5]. - The direct cause of the accident was identified as the scraper conveyor being blocked by coal gangue, leading to a broken load pin, and the operator's violation of safety protocols by not disconnecting the power supply while replacing the load pin [7]. Contributing Factors - The investigation highlighted several indirect causes: - Poor management of electrical and mechanical systems, including non-compliance with installation and maintenance regulations [8]. - Inadequate safety training and failure to learn from previous similar accidents [8]. - Insufficient risk identification and control measures regarding the potential dangers of scraper conveyors [8]. - Lack of effective oversight from higher management levels, leading to persistent issues in mechanical management [8]. Accountability and Previous Incidents - A total of 13 individuals from Hunan Coal Industry Co., Ltd., Lianshao Management Bureau, Jinzhushan Mining Co., Ltd., and Tujun Coal Mine have been subjected to administrative penalties or disciplinary actions due to the accident [9]. - The Tujun Coal Mine has a troubling history, with 33 work-related accidents reported from June 2024 to June 2025, including 13 mechanical transport accidents, indicating a lack of effective safety measures [9]. - Previous incidents, such as a scraper conveyor accident on November 6, 2024, were not adequately addressed, reflecting a failure to implement necessary preventive measures [9]. Company Background - Hunan Energy Group Jinzhushan Mining Co., Ltd. operates the Tujun Coal Mine, which was established in 1966 and has a designed production capacity of 300,000 tons per year, with a certified capacity of 270,000 tons per year [10]. - The company is a state-owned enterprise under Hunan Coal Industry Co., Ltd., which oversees multiple mining operations in the region [10].