The gantry crane is a crane mounted at the top of the portal, a structure used to balance an object. They range from huge full gantry cranes to Semi gantry crane. A Semi gantry crane is a special type of crane that combines overhead bridge crane design with an engine gantry crane.
One side of the semi gantry bridge is supported on the track as well as overhead. At the other end of the bridge, the crane(máquina de grúa) rests on the foot of the half frame and its tip on the ground moves along with the wheels.
Note that most of the semi gantry crane can be controlled using a remote control panel or an additional internal wired control system. They can lift weights of varying magnitudes ranging from the simple weights such as lifting small motor vehicle engines to lifting extremely heavyweights such as lifting cargos to and fro the ships.
Semi-gantry cranes can be monitored using wired control or an optional crane remote control system(sistema de control remoto). Lift the heaviest goods in the world into small workshops used for tasks such as lifting car engines from vehicles.
Note that though a semi gantry crane can easily be confused with an overhead or bridge crane since they both balance their loads under them the difference is that the semi gantry crane structure is mounted on wheels thus it can roll especially in rails. On the other hand bridge, crane structures are established on a permanent location mostly on walls or roofs which a movable elevator is mounted thus it cannot move on it own.
Portable semi-gantry crane load capacity
These type of portable gantry cranes(gruas pórticos portátiles) are fitted with tires thus they are movable. They are very popular on terminals since the is a limited horizontal distance to accommodate all the cargos. They are preferred in harbor terminus since they lift the cargos without necessarily moving it over and distance. Though they are relatively slow in speed they are more preferred due to the tires fitted on them since it makes them very locale than the fixed overhead bridge cranes.
They are mostly used to lift relatively lighter items mostly not exceeding more than 5 tones but they can be customized to suit your work requirements. Some models of Semi gantry crane areThey are designed with closed rails instead of tire wheels thus increasing their load capacity and efficiency. Most gantry cranes must be stationary while loading and unloading is being done but advanced technology can be added such as the use of a cable or a hoist so that relatively lighter items can be transported by these cables simultaneously.
Ship-to-shore semi gantry crane
Portal ship-to-shore semi gantry crane(grua semiportico) impressive structures mostly located in most container terminals. They are designed to loading the cargos to and fro the duo way container conveyors. They work on two rails that is that made on the water and on the side of land surfaces is usually designed according to the size of the crane used.
Components of ship-shore semi gantry crane
It has a joining of two sets of rail wheels. The horizontal and the vertical movement are guided by a system of the wired control panel in the cabin or a remote control panel or both. Note that security indicators such as alarm and signal lights enable the operator to notify the person operating the place where the cargo will be loaded when to make necessary adjustments. The wheels mounted on the underside of the vertical framework enables the gantry crane operator to control the horizontal movements.
Beam system installed to support the lifted load. Tags that describe confinements, requirements, and identifiers are labeled on the surface of the Semi gantry crane. Additional horizontal beam mounted over the pier extends from the ground of the rail wheels to the length above the edge of the pier. The waterside gap depends on the size of the ship that can be successfully loaded.
A vertically moving elevators to lift and lower the load and horizontally along the length of the beam. Elevators located the vertical structure are used to lift the operating team up and down the cabin thus saving their time from unnecessary movements. Remember all these features can also be customized to suit your particular requirements. Always choose an experienced company with the ability to make such modern semi gantry crane.
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