FIELD: couplings.
SUBSTANCE: invention relates to couplings, and more specifically to shear device for positive engagement coupling. Shifting device for positive coupling comprises first and second coupling elements with positive engagement. Besides, device includes housing (1), in which adjustable stopper, drive lever (2) and shifting fork (3) of coupling are provided. Housing (1) has end covers (7, 10). Lever (2) is installed with possibility of sliding in axial direction in housing (1). Coupling fork (3) is installed on lever (2). Lever (2) has threaded part (13), which is engaged with internal thread (12) of hole made in bushing (28) of fork (3). Hexagonal socket (9) provided on one end of lever (2) is intended for input of the corresponding tool for its turn relative to housing (1) and fork (3). Such rotation of lever (2) causes longitudinal displacement of fork (3) along axis (2) to change position of fork (3).
EFFECT: simplified adjustment.
9 cl, 3 dwg
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