Double -beam portal crane

• Main Authors: HU JUN, YI GANGBING
• Format: Patent
• Language: Chinese; English
• Published: 15.06.2016
• Subjects: CAPSTANS; CRANES; HAULING; HOISTING; HOISTS; LIFTING; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES; PERFORMING OPERATIONS; TACKLES, e.g. PULLEY BLOCKS; TRANSPORTING; WINCHES

The utility model particularly relates to a double -beam portal crane, the purpose provides a safe and reliable, operates steadily, the double -beam portal crane that raises the efficiency. This hoist includes the girder and supports the supporting leg of girder, the girder has two and be parallel to each other, and the left and right both ends of girder are supported through the supporting leg respectively, the supporting leg upper end is equipped with the stand, connects through the saddle crossbeam between the stand, the supporting leg lower extreme passes through the crossbeam and connects, be equipped with the trolley track on the girder, arrange trolley on the trolley track, the rotational rail at the girder middle part is installed including installing the trapped orbit at the girder both ends to the trolley track, rotational rail is connected with the piston rod of pneumatic cylinder the bottom, pneumatic cylinder lower part and carousel surface connections, the carousel is installed on the girder. Li