With the rapid development of urban rail transit,the traditional operation and maintenance methods mainly rely on manpower,and the pressure on equipment operation and maintenance is increasing,and the low work efficie...With the rapid development of urban rail transit,the traditional operation and maintenance methods mainly rely on manpower,and the pressure on equipment operation and maintenance is increasing,and the low work efficiency,high intensity and high operating costs have always been the main problems at this stage.Through BIM visualization technology can effectively solve those problems,the operation and maintenance mode of urban rail signal equipment at this stage is discussed,the integration and visualization of BIM technology are used to make the judgments and early warnings on the maintenance of urban rail signal equipment,and play a positive and important role in operation and maintenance work,this research result can provide ideas and references for urban rail transit operation and maintenance in the new era.展开更多
Based on the serious aging of our country′s population,starting from the impact on the quality of life of the elderly,this paper first analyzes the factors affecting the lives of the elderly,and makes predictions bas...Based on the serious aging of our country′s population,starting from the impact on the quality of life of the elderly,this paper first analyzes the factors affecting the lives of the elderly,and makes predictions based on my country′s elderly care industry market.After research,a portable tool for assisting elderly people walking is designed,in which electric drive,steering mechanism and seat functions are added by ordinary auxiliary walking tools.Users can sit down and ride when they are tired,mainly including seats and walking functions.The characteristics of its users and various influencing factors are analyzed.The research results can guide the solution of the current portable tools that assist the elderly in walking.展开更多
文摘With the rapid development of urban rail transit,the traditional operation and maintenance methods mainly rely on manpower,and the pressure on equipment operation and maintenance is increasing,and the low work efficiency,high intensity and high operating costs have always been the main problems at this stage.Through BIM visualization technology can effectively solve those problems,the operation and maintenance mode of urban rail signal equipment at this stage is discussed,the integration and visualization of BIM technology are used to make the judgments and early warnings on the maintenance of urban rail signal equipment,and play a positive and important role in operation and maintenance work,this research result can provide ideas and references for urban rail transit operation and maintenance in the new era.
文摘Based on the serious aging of our country′s population,starting from the impact on the quality of life of the elderly,this paper first analyzes the factors affecting the lives of the elderly,and makes predictions based on my country′s elderly care industry market.After research,a portable tool for assisting elderly people walking is designed,in which electric drive,steering mechanism and seat functions are added by ordinary auxiliary walking tools.Users can sit down and ride when they are tired,mainly including seats and walking functions.The characteristics of its users and various influencing factors are analyzed.The research results can guide the solution of the current portable tools that assist the elderly in walking.
