| 摘要 |
FIELD: timber industry. ^ SUBSTANCE: invention relates to gripping and holding devices and it can be used in timber industry for holding long-cut loads on frame of self-propelled chassis. Proposed bunk grapple has base 1 installed on frame 3. Base 1 carries hinge-mounted clamping levers 5 hydraulically operated by common hydraulic cylinder and tie wire ropes and support beam 13 installed on clamping levers higher than axle of their turning relative to base for displacement in vertical plane, and relief roller 8 installed on base so that its upper generatrix is higher than edge of base to serve as intake beam. Horizontal longitudinal holes 14 are made on ends of support beam installed on axles of levers. Length of longitudinal holes is greater than distance between axles of clamping levers turning joints and axles of coupling of support beam with clamping levers. ^ EFFECT: simplified design, improved reliability of fastening. ^ 2 dwg |
