subway double beam gantry crane
U model subway double beam gantry crane for subway construction is a special gantry crane which is developed the basis of general gantry crane according to the requirements and working conditions of underground construction.
Subway gantry crane consists of crab trolley, gantry, trolley traveling mechanism, hydraulic turnover mechanism, crab (On the crab is furnished a hydraulic turnover mechanism, which is composed of a hydraulic work station and a slag-turning hook) and electric equipment.
The subway gantry crane is often using cabin control due to its big capacity, if the working frequency is high, cable control is more convenience. These kinds of subway gantry crane can be used for subway constructing , it is a special gantry crane which is developed on the basis of the general gantry crane according to the operating requirements and working conditions of underground construction.
There is a hydraulic turnover mechanism on the crab, it is made up of hydraulic work station and a slag-turning hook. Have 4-wheel drive in 8 wheels for crane traveling mechanism, the motor fixed on the trolley drives wheels by vertical speed reducer. A windproof rail clamp is equipped. It is detached from the rail when the gantry crane is in normal operation, and when gantry crane stops, the operator will put down the clamp to catch the rail so as to avoid the crane sliding.