Mini gantry crane is kind of cheap and small gantry crane. It has compact structure, portable weight, tiny size and affordable price. Cheap mini gantry crane with reliable quality is perfect choice for light and frequent lifting work. Ellsen, a professional cranes supplier, provides best mini gantry crane for sale. To save energy, improve efficiency, buy high-quality and low price mini gantry crane from Ellsen now!
Basic information for mini gantry crane
This kind of crane is mainly composed of mechanical parts, electric parts and metal structure. It includes crane travelling mechanism, trolley travelling mechanism, safety device and crane frame. Before purchasing a suitable lifting gantry, get clear for these details, this can help get great deal for cost-effective crane.
For light duty work, just choose small and portable crane, like 1 ton, 2 ton, 3 ton. These cranes are cheap and flexible, very easy to carry with from one place to another place. For heavy duty work, just buy large gantry crane, like 20 ton, 40 ton, 80 ton. There cranes have strong loading capacity, complete safety protection device and can make lifting work safer and easier.
What to do for crane derailment?
There are three factors mainly cause the crane derailment. First is the linear velocities of driving-wheel are different. Second, brakes of two sides are not synchronous. Third, the surface hardness difference of driving-wheel is too big.
The solutions are as following. First, for small and mini gantry crane, if the driven wheel is off rail, use jack or other lifting tool and find cart’s driving-motor to flat. Second, if the driving wheel is off rail, adjudge which driving device cause the problem. If the big driving device causes the problem, it is necessary to invite professional maintenance person to detect on-site. If the small device causes the problem, just make crane work first, then make testing operation according to jacking height, and exclude the obstacles.
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