CLAMPING TOOL, IN PARTICULAR ELECTRIC HOLDER, WITH COMPENSATION SYSTEM Russian patent published in 2009 - IPC B23K37/04 B23K37/47 B23K11/36 B23K11/31 B22D17/20 

FIELD: machine building.

SUBSTANCE: invention is related to clamp tool and may find application in different branches of machine building, clamp tool comprises the first component (18) and second component (20), which are arranged with the possibility of relative displacement under effect of drive device. Device comprises screw (10) with specified pitch, which is arranged with the possibility of rotation around axis (XX) in single or opposite direction with the help of motor (M), and nut (12) that interacts with screw (10) and is arranged with the possibility of reciprocal motion in direction of axis (XX) of screw. Nut (12) is rigidly connected and moves reciprocally with the first component (18). The first guide facilities (34L) define linear direction that is parallel to axis (XX) of screw, for stopping in nut (12) rotation in the first phase of its displacement. The second guide facilities (34H) define helical direction along axis (XX) of screw (12) with pitch reverse to screw pitch to provide for rotation of nut (12) in the same direction of rotation as screw (10), in the second phase of its displacement. Compensation system (46) is installed between the first component (18) and movable bracket (14), which is fixed to nut (12), to restore initial position of the first component (18) relative to the second component (20) so that the first and second phases of displacement realised by the first and second guide facilities (34L, 34H) remain synchronous with phases required for optimisation of the first component displacement.

EFFECT: provides for accurate regulation of mutual position of the first and second component.

16 cl, 5 dwg