Spacing pincers of flexible nipple joint spring

The utility model relates to an oilfield logging instrument maintains technical field, in particular to spacing pincers of flexible nipple joint spring. The opening size that keeps silent of the device's locking pliers can adjust and can lock, and it has the semicircular clamp to manage to weld respectively on the corresponding inner wall of keeping silent, can form a complete ring after two clamp pipe closures, and it has spacing step to design on the clamp outside of tubes wall, and the design had the chamfer on the both ends inner wall was managed to the clamp. The utility model discloses an it is spacing after can the protection spring compression with the flexible nipple joint of LEAP logging instrument, guarantee the maintenance space of the balanced rubber tube of dismouting to guarantee that maintenance work safety is effective, can avoid maintenance person person to receive the injury, the balanced rubber tube of instrument does not receive the damage, has improved the work prescription, has reduced