| 摘要 |
FIELD: load-lifting and earth-moving vehicles; single-bucket loaders. SUBSTANCE: boom has two interconnected sides fastened by edges with mounting holes bent towards each other, and eyeplates to secure boom on base vehicle. Boom has two parts installed with end sections, opposite to end sections with mounting holes, one into another. First part of boom is intended for fastening on base vehicle. This part consists of two cheeks connected in bottom portion by sheet and provided with opposite bends in upper and lower sections. Second part is installed in first one and is made of two L-shaped sides connected to form U-shaped section secured by two sheets. First sheet is fastened along but--joint, overlapping the joint, and second sheet is secured to bottom of non-bent sections of sides. Length of second sheet exceeds length of sheet of the first part of boom in place of connection of both parts. Eyeplate is secured to the second part of boom. EFFECT: enlarged operating capabilities. 3 dwg |
