Fixed harbour portal crane of Introduction
Fixed harbour portal crane has various applications, such as loading and unloading at port, material handing at dockyard, ship building and repairing yard, metallurgy industry. The four link type portal crane jib crane is composed of frame, lifting mechanism, luffing mechanism, slewing mechanism, traveling mechanism, spreader device (grab, container spreader, hook), electrical equipment and other aiding devices for safety. The applied rigid rack and screw lever luffing mechanism make sure a constant working state.
Fixed harbour portal crane design and manufacturing standards: Specification for the harbor portal crane (GB/T17495-1998), Safety rules for lifting appliances (GB/T14406-1993); ISO standards, FEM standards and JIS standards.
Fixed harbour portal crane of Drawing:
Fixed harbour portal crane of Feature
(1). Quickened the turnover and the operation of loading and unloading.
(2). High working efficiency, compact frame.
(3). Calm movement, comfortable operation, safety and reliable.
(4). Convenience maintenance, nice appearance and so on.
(5). Crane drive: IP54 or IP44, level F insulation.
(6). Especially suitable for the port lifting.
(7). Designed according to your request.
Fixed harbour portal crane of Working condition
The temperature in the working environment should be in the scope of -20°c~+45° & relative humidity is no higher than 95% (with dew).
In-service the wind speed should be no higher than 20m/s.
The installation of the crane rail should accord with requirement of JT5022.
Fixed harbour portal crane of Safety device
To guarantee the normal operation of crane and avoid the personal casualty and mechanical damage, the safety device we provide are not only the electric protective devices or alarm bell but also other equipments as follows :
♦ Overload Limit Switch
♦ Rubber Buffers
♦ Electric Protective Devices
♦ Emergency Stop System
♦ Voltage Lower Protection Function
♦ Current Overload Protection System
♦ Rail Anchoring
♦ Lifting Height Limit Device
