Special strain gauge measuring device for logistics box

The utility model discloses a strain gauge measuring device special for a logistics box, and belongs to the technical field of logistics box monitoring. An X-axis strain gauge, a Y-axis strain gauge and a Z-axis strain gauge are mounted on the bearing part; the signal acquisition circuit is used for acquiring resistance signals of the three strain gauges; the signal processing circuit is used for receiving an output signal of the signal acquisition circuit and processing the signal; the receiving part is used for receiving an output signal of the signal processing circuit and forwarding the signal; the input pins of the signal acquisition circuit comprise an X-axis access pin connected with an X-axis strain gauge, a Y-axis access pin connected with a Y-axis strain gauge and a Z-axis access pin connected with a Z-axis strain gauge; the output pins of the signal acquisition circuit comprise an X-axis strain output pin, a Y-axis strain output pin and a Z-axis strain output pin; and the X-axis strain output pin,