Clutch suitable for new energy automobile and mounting method thereof

The invention discloses a clutch suitable for a new energy automobile and an installation method of the clutch. The clutch comprises an outer support, a dual disc, a friction plate, an inner support, a dual disc and a friction plate, and the friction plate and the dual disc make contact and conduct transmission when being extruded. An inner reinforcing ring and an outer reinforcing ring are arranged at the contact position of the outer support and the output shaft, the inner reinforcing ring, the outer reinforcing ring and the outer support are integrated, a first positioning hole is formed between the outer reinforcing ring and the output shaft in a matched mode, and a first fixing pin is installed in the first positioning hole in an interference mode. And an oil inlet hole is formed in the inner reinforcing ring. A boss is arranged on the outer side of the combination tooth, a second positioning hole is formed between the inner support and the combination tooth in a matched mode, a second fixing pin is inst