| 摘要 |
load handling and transportation facilities. SUBSTANCE: invention relates to cranes-manipulators designed for loading and transportation of long-cut materials. Crane- manipulator has truck-tractor 1 with platform provided with rigid guard of driver's cab and compartments for keeping spare wheel, tools and other materials, outriggers and power equipment connected with truck-tractor engine power takeoff box. Timber carrier slewing bunk is arranged in tail part of platform. Hydraulic crane-manipulator plant 2 with turnable boom with clamshell is arranged on center members of platform body between cab guard and bunk. Lifting and extension sections of boom in folded down position are interconnected. Load- bearing post 5 with cradle for accommodating and fastening of folded-down boom at transportation of load is mounted on front bumper of truck-tractor. Load-bearing post is installed higher than driver's cab. At no- load trip, folded-down boom is directed towards tail part of platform body, being lowered by section hinge coupling unit on cradle of slewing bracket and rigidly secured in cradle. EFFECT: improved operating characteristics of crane. 10 cl, 22 dwg |
