Bolt tightening and loosening all-in-one machine

The utility model belongs to the technical field of bolt fastening equipment, and particularly relates to a bolt tightening and loosening all-in-one machine. The device comprises a rack; the walking module is mounted at the bottom of the rack; the Z-axis moving module is mounted at the top of the rack; the XY moving module is mounted on the Z-axis moving module; and the floating positioning mechanism is mounted on the XY moving module. Compared with the prior art, the bolt loosening and tightening all-in-one machine adjusts the positions of the floating positioning mechanism in the X-axis direction, the Y-axis direction and the Z-axis direction through the Z-axis moving module and the XY moving module, position adjustment of the floating positioning mechanism is facilitated, and the bolt loosening and tightening all-in-one machine is flexibly suitable for steel molds of multiple specifications. 本实用新型属于螺栓紧固设备技术领域，具体为一种螺栓松紧一体机。其包括：机架；行走模组，行走模组安装在机架的底部；Z轴移动模组，Z轴移动模组安装在机架的顶部；XY移动模组，XY移动模组安装在Z轴移动模组上；浮动定位机构，浮动定位机构安