2014年12月10日星期三

Rough Terrain Crane

No domestic tire tire crane Semi-gantry crane. Japan TR200M / 20t RTG, US Grove RT980 / 80ust RTG. Lifting portion is mounted in a special pneumatic tire crane chassis. Combined with an engine on and off, driving speed of not more than 30KM / H, the vehicle width is wider, and therefore should not be long-distance driving on the highway. Has no legs hoists and hoist driving functions for moving away from garages, docks, construction sites and other places of limited hoist operations. Because without legs hoists and hoist travel often some accidents, major domestic companies have gradually lifting hoist travel cancellation feature. The main features of the tire cranes are: its driving cab and crane cab combined, are evolved by crawler cranes, crawler and walking stents have become part of the running gear tire chassis overcome crawlergantry cranes Disadvantages board damage on the road, driving the speed faster than the crawler crane; job stability, lifting capacity, hoists can walk within a specific range, but must ensure smooth solid road, tire pressure to meet the requirements, suspended from the ground shall not exceed 50CM; ban with a load of walking long distances. To ensure operational safety, do not fight the current domestic basically prohibit legs were lifting operations

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