| 摘要 |
FIELD: transport engineering; transportation of long-cut loads, such as two-track two-section mechanized bridges to placed of erection of multiple-span temporary crossings over obstacles. SUBSTANCE: loading-and-unloading device has standard cable winch. Device consists of two main members of support-and-drive frame and slewing boom for attachment of which only eye-plate and pin fasteners are required. Boom is directly coupled with bridge tie-rope device and is connected with drive through sling, frame and cable guide sheave which provides lifting, orienting and placing the bridge on load bearing beam of trailer bunk for further pulling onto carrier. EFFECT: reduced cost of re-equipment of carriers, reduced winch drive power rating, improved operating characteristics of carrier. |
