L-type gantry crane is mainly composed of gantry frame, lifting trolley, trolley running mechanism, driver's room and electrical control system.
The gantry is a box structure, the trolley adopts vertical anti-roller type when the lifting capacity is less than 20t, and the trolley adopts horizontal anti-roller type when the capacity is more than 20t, and runs on one side of the main beam. The main girder adopts single girder off-track form, and the outrigger is L-shaped, which has large lifting space and strong cross-span capacity, and is convenient for transferring the objects from the span to under the cantilever.The operation mode adopts closed driver's room with adjustable seats, insulated mats on the bottom board, tempered glass windows, fire extinguishers, electric fans and auxiliary equipment such as cold and warm air-conditioning, buzzer and intercom according to users' requirements.
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