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无论是人工利用载荷传感器测量抽油机井示功图还是自动化利用载荷传感器进行示功图量油,都需要对抽油机悬绳器进行卸载后,来装卸载荷传感器或维修、校对载荷传感器。每次卸载时要在光杆上打一个方卡子,利用半圆钢管制做而成的卸载工具支撑在井口盘根盒和卡子之间,来卸掉悬绳器上的载荷。这种操作方法,工作量不仅大,而且容易造成设备损坏或发生安全事故。
Whether it is manually measuring the pumping unit dynamometer or automating the use of a load cell to measure the amount of oil, it is necessary to load and unload the load cell or to repair and calibrate the load cell. Each time you uninstall to play in the polished rod on a square clamp, the use of semi-circular steel pipe made of unloading tools supported between the wellhead packing box and clamps to unload the suspension rope load. This method of operation, the workload is not only large, but also easily lead to equipment damage or accidents.