WEIHUA Continuous Working four link shipyard portal gantry crane

Weihua portal crane has various applications, such as loading and unloading at port, materual handing at dockyard, ship building and repairing yard, metalluygy industry. The Construction Crane, 60ton Boom Crane,CE and GOST Certificate 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.

Weihua portal cran design and manufacturing standards: Specification for the harbor portal crane (GB/T17495-1998), Safety rules for lifting appliances (GB/T14406-1993); ISO standards, FEMstandards and JIS standards.

a. One-piece steel plate welded with another makes box-girder gantry crane very stable
b. High wind-resistance, high rigidity and low deflection make it very safe
c. Use winch to lift objects easily
d. Proven, professional technique and good performance make it famous all over the world
e. use high-quality electronic components which improve the efficiency and safety of the whole

machine.
f. The classical and traditional style has been widely accepted by all people.

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