Portable hydraulic inflating device

The utility model relates to a portable hydraulic inflating device which is applied to the field of pressurizing technology and comprises an inflating pipe and a nitrogen pressure reducing valve, one end of the inflating pipe is connected with a gas supply connector used for being connected with a gas inlet of a servo booster, and the other end of the inflating pipe is connected with a gas outlet connector on the nitrogen pressure reducing valve. A gas inlet connector on the nitrogen pressure reducing valve is arranged to be a tank connecting connector and used for being connected with a gas charging port of a nitrogen tank. The convenience of nitrogen filling operation of the servo booster can be improved. 本申请涉及一种便携式液压充气装置，应用在充压技术的领域，其包括充气管和氮气减压阀，所述充气管的一端连接有供气接头，用于与伺服助力器的进气口连接，所述充气管的另一端与所述氮气减压阀上的出气接头连接，将所述氮气减压阀上的进气接头设为接罐接头，用于与氮气罐的充气口连接。本申请可提升伺服助力器充氮气操作的便捷性。