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This dual-use concrete mixer truck is based on mature concrete mixer trucks, and a set of guide steel wheels are installed at the front and rear ends of the car's girder so that the mixer truck can only be driven on a single road. For traveling on railways and highways. The dual-purpose concrete mixer truck is equipped with two single-axle bogies on the vehicle. When the automobile is driving on a highway, the lifting mechanism on the single-axle bogie and the air spring act to lift the bogie and hang it on the car girder to satisfy the car. When driving on a standard gauge railway, the lift mechanism and the air spring act to lift the front wheel of the vehicle and guide it from the bogie mounted on the front of the vehicle girder. The vehicle's safety in the no-load and fully-loaded state during cornering, suspension deformation, and concrete flow have all been scientifically tested for the stability of the vehicle and have met the design expectations.
Recently, dual-use concrete mixer trucks played an important role in the construction of tunnels in the mountainous area of ​​Lianjiangkou Town, Yingde City, Guangdong Province, on the Wuhan-Guangzhou High-speed Railway Dedicated Line, completely changing the operation of “small gantry cranes and small bucketsâ€. The method greatly improves the speed of construction and the construction quality of ballastless track. Shanghai Huajian dispatched technical construction personnel to track the use of dual-use mixing trucks on site and solved problems such as construction speed, concrete precipitation and segregation. The 120-meter-a-day progress of concrete pouring in ballastless tracks completely reversed the passive operation of the “waiting†concrete for the steelworkers, and the construction speed was increased by more than four times than before.
The dual-use concrete mixer truck developed jointly by the China Railway Construction Co., Ltd. project, the Institute of Military Transportation Design, and Shanghai Huadong Construction Machinery Co., Ltd. was recently launched, and passed the technical appraisal of the authoritative department. Its safety and stability are both To meet the design requirements, it is the first in China and provides advanced technology and equipment for the development of China's railway construction.