Big moment of torsion of promotion low -speed camshaft for natural gas engine

The utility model discloses a big moment of torsion of promotion low -speed camshaft for natural gas engine belongs to the technical field of engine. Its technical scheme does: a big moment of torsion of promotion low -speed camshaft for natural gas engine, includes inlet cam, exhaust cam and axle journal, and preceding end journal department is provided with annular oil groove, and the camshaft rear end is provided with location pinhole A and lubricate hole, and inlet cam's high lift is 10.55mm, and exhaust cam's high lift is 11.8mm, and the phase difference in the same cylinder body between inlet cam and the exhaust cam is 102.75. The beneficial effects of the utility model are that: the one -piece camshaft rigidity is good, and manufacturing process is simple, and phase control is accurate, the annular oil groove of end journal processing before the camshaft, back end journal processing oil hole for the camshaft journal is lubricated. Simple structure can extensively be applicable to the development of mul