| 摘要 |
PROBLEM TO BE SOLVED: To provide a hydraulic power device suppressing deterioration in energy utilization efficiency while maintaining a favorable work environment by not directly using fossil fuel. SOLUTION: This hydraulic power device is provided with an electric motor 6, a hydraulic pump 5 and a hydraulic circuit 2 driven by the electric motor 6, a hydraulic motor 11 driven by the hydraulic circuit 2, and a generator 12 generating power by the hydraulic motor 11. The hydraulic circuit 2 is provided with a multipoint connection part 16 for connecting another hydraulic motor 17 or an actuator in parallel to the hydraulic motor 11. Desirably, it is also provided with a battery for driving the electric motor 6 and a power control unit controlling the electric power generated by the generator 12 so as to charge the battery or use it for driving the electric motor 6. |
