Hydroenergy machine

The hydraulic energy machine comprises a cylinder body, drainage connecting devices, a water supply pipe and a piston, one end of the cylinder body is connected with an ejector rod, the bottoms of the two ends of the cylinder body are connected with a left communicating pipe and a right communicating pipe respectively, and the drainage connecting devices are arranged at one end of the left communicating pipe and one end of the right communicating pipe and located at the bottom of the cylinder body; the bottom of the drainage connecting device is connected with a first drainage port and a second drainage port, and the middle position of the bottom of the drainage connecting device is connected with a water supply pipe. The device is implemented in remote, complex and rugged places, does not need complex construction, can be implemented by placing an inlet in one end of the water supply pipe at a high position, does not damage the environment, does not occupy space, can flexibly select places, is simple to moun