A crane truck in simple words is a truck in which crane equipment is attached. The hydraulically powered crane is used for lifting and lowering objects heavy in weight. Crane truck operation is not a simple matter. For this specially trained operators with at least 1000 hours experience are needed. Only such persons will be employed by a crane rental near me company for meticulously following the safety procedures and to avoid major accidents and consequent loss of life and injuries.
Different modes of operation of crane trucks
In construction of multi storied buildings and in many other fields like telecommunication and power supply the cranes have become very essential. Cranes attached to trucks normally operate in three basic manners. In the first case it operates as a balance crane, which pivots about a fulcrum and lifts the load. In the second case a pulley system is provided and it acts as a jib crane that performs lifting and lowering motion with the help of cables. The third type is hydraulic crane in which hydraulic system is used for providing pressure for lifting loads.
Crane truck comprises of a truck portion to which a crane portion is attached. The basic parts of a crane truck and its descriptions are given below.
Crane boom is the most recognizable part of a truck crane. This is the arm of the crane that is used to lift or lower a weight or a heavy material needed for some specific purposes like construction or telecommunication work. It operates in three different manners as explained above.
Rotex gear is situated under the cabin and it allows the cab to turn the bottom of the crane with the help of a hydraulic motor.
Operator’s cabin is situated on top of the chassis of the truck. Inside the cabin the operator can sit safely and operate the cabin. Operator’s chair, cranes control panel. Electrical equipment etc are inside the cabin. Operator controls the crane with the help of joysticks. Left, right, forward backward movements can be controlled by the operator.
Detachable counter weights
Cranes back is the position for placing detachable counter weights. This helps the crane to maintain its balance while lifting weights. There is a special formula to determine the amount of counter weight needed based on factors like load and the operational angel of the boom. Most crane rental va companies use this formula and calculate the amount of counter weight needed in every case.