Patent ID: 9199827
Filing Date: 2015-12-01
Classification: B66C

Abstract:
1. An overhead travelling crane system comprising: a conveyor device; and two clamping devices connected with the conveyor device; wherein: the conveyor device includes: two lifting units; and a traversing unit connected with the lifting units; each of the lifting units includes: a first power mechanism; a lifting base having an upper end and lower end each provided with at least one sensor; a toothed rack secured on a first face of the lifting base and engaging the first power mechanism; and two rails each secured on a second face of the lifting base and each slidably mounted on at least one guide block which is affixed to the first power mechanism; the traversing unit includes: a first transmission mechanism connected with the first power mechanism of each of the lifting units; and a second power mechanism connected with the first transmission mechanism; the first transmission mechanism includes: a transverse base; and a press board corresponding to the transverse base; each of the clamping devices includes: a carrier; an actuating mechanism mounted on the carrier; a holding mechanism connected with the actuating mechanism; a second transmission mechanism mounted on the carrier and connected with the holding mechanism; a second power mechanism mounted on the second transmission mechanism and connected with the holding mechanism; and a detection mechanism mounted on the carrier; the carrier includes: a bottom plate; two side plates mounted on the bottom plate; and a receiving chamber defined between the bottom plate and the side plates; the actuating mechanism includes two guide track modules mounted on the bottom plate of the carrier; the holding mechanism includes two retaining modules mounted on the guide track modules of the actuating mechanism; the second transmission mechanism includes: a mounting board mounted on the side plates of the carrier; and a transmission module pivotally mounted on the mounting board and engaging each of the retaining modules; the second power mechanism includes: a fixing board mounted on the mounting board of the second transmission mechanism; a pneumatic cylinder mounted on the fixing board and connected with one of the retaining modules of the holding mechanism; and a plurality of sensors mounted on the fixing board; the detection mechanism includes: two detector modules respectively mounted on the side plates of the carrier; and a sensing module connected with the detector modules.