Electric generating apparatus for generating energy in pipeline

The invention discloses a power generating set used for taking energy in a pipeline and a method, wherein, the power generating set consists of a friction energy-taking wheel, an energy-taking wheel fixed shaft, a bracket, a transmission chain, a bracket fixed shaft, a connecting rod, a pre-tensioning spring, a speed-increasing gear, a generating stator, a generator shell, a transmission wheel shaft, a transmission wheel, a bevel gear, a power transmission shaft, a transmission shaft bevel gear, a sealing cylinder and a generating rotor. The power generating set is characterized in that a plurality of groups of energy-taking mechanisms which respectively consist of the friction energy-taking wheel, the energy-taking wheel fixed shaft, the bracket, the transmission chain, the transmission wheel shaft and the transmission wheel are distributed uniformly along the circumferential direction; and the plurality of groups of energy-taking mechanisms are lengthways and uniformly provided witha plurality of sleeves al