Electro-hydraulic actuator system with water cooling device

The utility model provides an electro-hydraulic actuator system with a water cooling device, which comprises an actuator control loop and a water cooling device loop, the actuator control loop is provided with a bidirectional actuator and a bidirectional hydraulic pump, the water cooling device loop is provided with a cooler, a cooling liquid pool and a cooling pump, and the cooler is connected in series in the actuator control loop; according to the utility model, the cooling medium in the cooling pool is driven by the cooling pump to continuously flow in the cooler, and when hydraulic oil in the actuator control loop passes through the cooler, the heat of the hydraulic oil is continuously transferred to the cooling medium through the cooler, so that the hydraulic oil can be cooled, and the temperature of the hydraulic oil is reduced; and the robustness and the load holding capability of the system are ensured. 本实用新型提供一种带水冷装置的电液执行器系统，包括：执行器控制回路及水冷装置回路，所述执行器控制回路具有双向执行器及双向液压泵，所述水冷装置回路具有冷却器、冷却液池及冷却泵，所述冷却器串联在所述执