Vanson Tower Crane can cut costs

Since its launch, Vanson Crane’s VC Tower Crane Range has proved its worth in terms of offering contractors and developers considerable cost advantages, whilst increasing on-site operational efficiencies. To promote these major benefits to crane purchasers Vanson’s stand included the VC27 and VC33 self erecting tower cranes. The VC Range, which consists of 12 models, has been specifically developed to provide a competitively priced solution that is ideally suited to the construction of housing developments and low rise apartment and office blocks. Its design has reduced both erection and dismantling costs, when compared with conventional tower cranes of a similar size, making it ideal for operation where the confines of a site make the use of other types of lifting equipment impractical. As the jib folds in half, it is able to avoid the crane violating other party’s airspace. The VC27 has a capacity to lift 2,200kg from 2 to 12.13m radius reducing to 850kg at a 27m radius and has a hook height of 23m in the horizontal position, with a maximum luffed height of 31.4m. The VC33 has the capacity to lift 4,000kg at 10.53 metres, with a hook height of 21.5m and an end of jib load of 1000kg at 33m.

Both models offer well considered and yet simple design that enables these cranes to be erected within a very small working envelope. By utilising a fully hydraulic erection system, with self-contained ballast installation, Vanson has made the VC tower crane very simple and fast to erect. As each component has been designed so that it can be self erected, self levelled or lifted by the crane’s own equipment, these cranes avoid the necessity and cost of using a mobile crane. At the same time they only need two operatives to complete the whole erection process. To avoid abrupt speed changes each model features a ‘soft-start’ system which is fitted to all the crane’s motions- hoist, trolley and slew. This technology effectively manages the steps between motor speeds to enable the loads to be positioned much more precisely, creating a very smooth hook operation, thereby reducing the strain on the crane’s structure during lifting. In doing so it increases the life of the components such as pins, ropes, bolts, motors and gear boxes. The simplicity and well-considered design of both the structure and systems of Vanson’s VC crane range enables them to achieve reliability, along with low maintenance and low operating costs.

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