The present invention provides with a detection and monitoring device of the hook angle and its crane relating to the crane field, wherein between the movable pulley of the lifting pulley assembly of the crane and the hook or between the fixed pulley and the fixed point of the lifting pulley assembly of cranes is cascaded a part, it meets that the plane of the platform fixed on the part is a horizontal plane when the hook angle being 0 degree, so that the action line of the lifting force of the lifting pulley assembly via the hook is perpendicular to the plane of the platform under the different angles of the hook; fixedly install a platform on the part; and provided with the angle measuring instrument on the platform plane. The device provided by the present invention can be used for all types of cranes.
Detection, monitoring device of the hook angle and its crane
2015-12-10
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
Detecting, monitoring device of the hook angle and its crane
European Patent Office | 2016
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