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工程机械的工作时间是计算作业效率、核算施工成本的基本依据之一,也是正确掌握维修时机、及时而有效地实施预防维修、保证机器处于良好技术状态的一个极为重要的指标。在机械管理中,控制动用、认定保修期等都需要以工作时间为依据。因此,准确记录工作时间对于正确使用与维修工程机械,强化机械管理有十分重要的意义。早期的工程机械多无计时装置,工作时间的统计主要靠人工记录,计时精度不能保证,维修与管理的实用价值有限。
The working time of construction machinery is one of the basic basis for calculating operating efficiency and accounting construction costs. It is also an extremely important indicator to correctly grasp the timing of maintenance, implement preventive maintenance in a timely and effective manner, and ensure that the machine is in good technical condition. In the mechanical management, the control of the use, the identification of the warranty period, etc., need to be based on the working time. Therefore, accurate recording of working hours is of great significance for the correct use and maintenance of construction machinery and for the enhancement of mechanical management. In the early days, there were no timing devices for construction machinery. The statistics of working hours mainly depended on manual records, timing accuracy could not be guaranteed, and the practical value of maintenance and management was limited.