Tightening equipment for automobile assembly line

The utility model discloses a tightening device for an automobile assembly line, which comprises a supporting assembly (1), a tightening assembly (2) and a tightening assembly (3), the supporting assembly (1) comprises a connecting seat (11) and a sliding rail (12), the connecting seat (11) is provided with a force-bearing protrusion (111), the sliding rail (12) is provided with a force-bearing groove (121) corresponding to the force-bearing protrusion (111), the force-bearing protrusion (111) is embedded into the force-bearing groove (121), and the sliding rail (12) is fixedly connected to the connecting seat (11) through a bolt (112); the tightening gun (2) is provided with a connecting block (21), and the connecting block (21) is matched with the sliding rail (12) so that the tightening gun (2) can be connected to the supporting assembly (1) in a sliding mode. 本实用新型公开了一种汽车装配线的拧紧设备，包括：支撑组件(1)，包括连接座(11)和滑轨(12)，连接座(11)上设置有承力凸起(111)，滑轨(12)上设置有对应该承力凸起(111)的承力槽(121)，承力凸起(111)嵌入承力槽(121)，滑轨(12)以螺栓(112)连接固定于连接座(11)