Bridge lifting door is mainly used for heavy loads, the bridge is a common use of facilities, with the principles of the triangle stable, reliable, in bridge building work is an indispensable product, stable and reliable transportation is slow, there is strong wind resistance. Bridge gantry crane which is mainly used in bridge construction, work is slow, by the door frame, hoist trolley traveling mechanism, cab and electrical control system. Gantry truss structure, with the structure of light, wind resistance and other advantages. Including the main beam, upper beam, the legs, the lower end of the beam, running trolley and walkway railings. Main beam triangular truss structure, laying track above for car along the main beam direction move laterally. Outrigger box or pipe using two forms. Small car decorated with winches, compact, light weight. Carts run using cycloid reducer, soft start the motor, eight four-wheel drive, smooth operation. Operation with closed cab, there are adjustable seats, floor mats laying insulation, windows with tempered glass, equipped with fire extinguishers, fans, heating and air conditioning can be configured, Xiangqi, walkie-talkies and other items according to user requirements. Product parameters Overview: Bridge gantry crane highway span of 40 meters, 32 meters span railway, maximum weight less than 200 tonnes. Manipulation in the form of air operations. Our company specializes in road and bridge gantry crane and other lifting equipment used in the construction of bridges, crane industry in the country has long been familiar to everyone, manufacturers, and reliable quality, technologically advanced thanks to new and old customers trust and support of our company, we must redouble our efforts , to bring better products.