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下面介绍一个典型的黑心秤,提醒大家在日常监督检查中应重点注意类似作弊手段。500kg台秤的计量杠杆臂比为1∶8,承重杠杆臂比为1∶12.5,总臂比为1∶100。为达到作弊目的,收购商将计量杠杆支点刀孔向重点刀口方向铣出一长方孔,再用薄铁将支点刀包夹在支点刀孔上,支点刀可在长方孔内左右滑动。秤不用时,秤的零点处于正常状态,当秤的承重台上加上重物时,可顺手拉动计量杠杆将支点刀向重点刀方向位移,整
The following describes a typical black heart scale, to remind everyone in the daily supervision and inspection should focus on similar cheating. 500kg scale weighing lever arm ratio of 1: 8, bearing lever arm ratio of 1:12.5, the total arm ratio of 1: 100. In order to achieve the purpose of cheating, the purchaser will measure the lever fulcrum knife hole to the direction of key blade milling a rectangular hole, and then thin iron will be the fulcrum knife wrapped in the fulcrum knife hole, the fulcrum knife can slide in the rectangular hole around. When the scale is not used, the zero point of the scale is in a normal state. When the weighing platform on the scale is loaded with heavy objects, the measuring lever can be smoothly moved to move the fulcrum knife in the direction of the key knife