Oil station system and pressure regulating device

The utility model discloses an oil station system which comprises an oil tank, an oil pump and a pressure regulating device. Wherein an inlet of the oil pump is connected with the oil tank, and an outlet of the oil pump is connected with a stop valve contained in the pressure regulating device; the voltage regulating device comprises at least two voltage regulating structures which are arranged in parallel; the pressure regulating structure comprises a stop valve, an overflow valve and a check valve which are connected in sequence; the stop valve is connected with an outlet of the oil pump; and the check valve is connected with the oil tank. According to the utility model, the overflow valve can be replaced on line during the operation of the dynamic regulation fan. The utility model further discloses a pressure regulating device. 本申请公开了一种油站系统，包括油箱、油泵以及调压装置；其中：所述油泵的入口与所述油箱联接，所述油泵的出口联接所述调压装置包含的截止阀；所述调压装置包括：并联设置的至少两个调压结构；所述调压结构包括依次联接的所述截止阀、溢流阀及逆止阀；所述截止阀联接所述油泵的出口；所述逆止阀联接所述油箱。本申请能够实现动调风机运行期间，在线更换溢流阀。本申请还公开了一种调压装置