内爬式起重机回转机构和平衡机构的设计
Design of the Slewing Mechanism and Balance Mechanism of Inside-self-elevating Type Tower Crane
Abstract:With the further development of China’s reform and opening situation various types of high rise building are increasing continuously,so the use of inside-self-elevating type tower crane leads to significant economic and social benefits.The inside-self-
elevating type tower crane is installed inside of the building (e.g.elevator shaft,stairwell),and its crane body is elevated with the elevation of the building by the elevating mechanism.With the high-speed development of construction industry inside-self-elevating type tower crane will certainly be widely used in the construction of high rise and super high rise buildings.The inside tower and outside tower are installed simultaneously,and it is unnecessary to remove the inside tower out of the elevator shaft and reinstall it before elevation.The slewing of the slewing mechanism is implemented by the rotation supporting device and the engagement with small gears,and the balance of the crane is realized by the moving of balance block in the balance arm and resulting in the equation of the moments of balance arm and elevating arm.
关键词：内爬式起重机；回转机构；平衡机构；设计
Key words:inside-self-elevating type tower crane; slewing mechanism; balance mechanism; design