LOAD-LIFTING AND TRANSPORTATION DEVICE Russian patent published in 2002 - IPC

FIELD: mechanical engineering; load-lifting facilities. SUBSTANCE: invention relates to devices used for lifting and transportation of heating appliances in green houses. Proposed device has variable-reach frame with brackets on posts made lengthwise greenhouse section and hinge-connected by one side with fixed supports for turning in vertical plane and by free side, with frame lifting mechanism made in form of pulley block whose flexible hauling member set into motion either by motor or manually through self-braking reduction gear is wound and secured by one on drum installed on drive shaft, and by other end is connected to tensioner secured on skeleton. Hauling member is passed successively over movable block mounted on free side of frame, fixed block, guide roller and enclosing bushing, all secured on skeleton. Device has also frame reach adjusting mechanisms provided with load trucks with bracket. Load trucks without bracket are also provided being installed for travel along guides secured on frame. Each load truck, both with or without bracket, is moved by means of pulley block. Load trucks are provided with load hangers. EFFECT: enlarged operating capabilities, dispensing with auxiliary devices. 6 cl, 8 dwg