Standard load unit of calibrating device

The utility model provides a standard load unit of a calibrating device. The standard load unit comprises a driving device, a first bearing part, a second bearing part and a third bearing part which are sequentially arranged from bottom to top, the first bearing part is connected to the output end of the driving device, and an elastic reset device is arranged between the first bearing part and the second bearing part; a force sensing piece is arranged between the second bearing piece and the third bearing piece; the force sensing part is used for replacing traditional weight verification, so that the detection efficiency is improved, the detection cost is reduced, the transportation of equipment is more convenient and faster than that of the weight, the arrangement space of the verification equipment is saved, and the detection of a plurality of point positions is more accurate and efficient. 本实用新型提出一种检定装置的标准载荷单元，包括从下至上依次设置的驱动装置、第一承载件、第二承载件和第三承载件；所述第一承载件连接于所述驱动装置的输出端，所述第一承载件与第二承载件之间设有弹性复位装置；所述第二承载件和所述第三承载件之间设