Pin shaft sensor strain hole patch device

The utility model discloses a pin shaft sensor strain hole patching device which comprises an elastic pipe, a switch valve and an air guide pipe, the outer diameter of the elastic pipe is smaller than the hole diameter of a strain hole, one end of the elastic pipe is provided with a plug, the other end of the elastic pipe is connected with an inflation connector, one end of the switch valve is connected with the inflation connector, and the other end of the switch valve is connected with the air guide pipe. The air guide pipe is connected with the switch valve through a quick connector; one end of the air duct away from the switch valve is connected with an air pump; a supporting pipe is arranged in the elastic pipe; the supporting tube is in a circular tube shape. By means of the device, an operator can easily complete the chip mounting work of the pin shaft sensor, and the chip mounting precision is high. 本实用新型公开了一种销轴传感器应变孔贴片装置，包括弹性管、开关阀、导气管，弹性管的外径小于应变孔的孔径，弹性管的一端设置有堵头，弹性管的另一端连接有充气接头，开关阀的一端与充气接头相连，开关阀的另一端连接导