Mining self-rescuer oxygen pressure meter calibrating device with vertical multi-meter connecting table

The utility model provides a mine self-rescuer oxygen pressure gauge calibrating device with a vertical multi-meter connecting table, which is characterized in that a supercharging fine-tuning pump is arranged on the left side of a working table, and the tail end of the supercharging fine-tuning pump is respectively connected with a multi-meter connecting table quick-change connector and a standard detection meter quick-change connector through branch pipelines; the multi-meter connecting table quick-change connector is connected with the vertical multi-meter connecting table, and the standard detection meter quick-change connector is connected with the standard detection meter; the pressurizing device comprises a water pump, a lever handle and a pin shaft, and the lever handle is arranged on the water pump through the pin shaft and used for pressurizing the water pump; the liquid storage tank is arranged in the middle of the workbench and connected with the water pump of the pressurizing device through a pip