Gantry crane with shield (DMG for short) is mainly used for installation of cutter and shield of shield machine which is underground trenchless device, and used for lifting of ductpiece supporting tunnel during work progress. DMG has stable performance, high production effieciency and is easy to be taken care of and maintained. The lifting appliance at upper part can turn to adapt the requirements of tunneling at different direction. It has flexible operating mode, complete safety in dication and overload protection device, which can uttermost ensure the safety of operator and equipments. Electrical system adopts PLC variable frequency speed regulating which is ProPitious to control the mechanisms. Famous manufacturer of fittings is adopted to guarantee the quality of the complete machinhe latest issured national standards are executed for design, manufacture and inspection of DMG.
1. The power of crane is three-phase AC; rated frequency is 50HZ; rated voltage is 380V;
2. The temperature of working environment is -20 DC to 45 DC; The max. relative humidity is no less than 95%(there is condensation);
3.Wind speed during work is no more than 20m/s;
4.Working class of the crane is A3,A4;
5.The crane that has special requirements for environmental conditions shall execute the contract articles.
Ordering must know:
The basic parameters(rated lifting weight,lifting height and span,etc.)of the crane shall be described clearly when the user orders goods or signs a contract so taqht the product which may satisfy the condition can be supplied.
Weihua Group, a leading crane manufacturer in China, was Founded in 1988. We has been committed to heavy machinery researching and marketing.