Rear drive axle of middle section integral type axle housing

The utility model discloses a rear drive axle of middle section integral type axle housing, including the axle housing, with the axle housing both sides are welded left side transition flange and right side transition flange respectively, and the middle section position of axle housing is one whole section seamless steel pipe, is provided with on the middle section position of axle housing and inserts. The utility model discloses in the set assembling of this kind of rear drive axle of middle section integral type axle housing, through adopting the integral type axle housing, having reduced the welding seam quantity and the length of axle housing, having reduced the technology degree of difficulty, guaranteed intensity, the gas tightness ability of rear drive axle assembly, the rear drive axle assembly that makes moreover is more energy -concerving and environment -protective, and manufacturing cost further reduces. 本实用新型公开了一种中段一体式桥壳的后驱动桥，包括桥壳、与所述桥壳两侧分别焊接的左侧过渡接盘和右侧过渡接盘，桥壳的中段部位为一整段无缝钢管，桥壳的中段部位上设置有镶块。本实用新型这种中段一