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The GJT112 wheel type bulldozer is a new wheel type bulldozer developed by Yutong Company in 2003 and equipped with troops. In order to improve the maneuverability of the equipment and enhance the adaptability of the plateau, the product development department has started the heat balance system of the machine since October 2003. After two years of improvement - improved from a traditional engine-driven fan system to an independent closed-loop electronically controlled hydraulic motor driven fan system. The improved heat balance system can automatically control the fan speed according to the logic program of the torque converter oil temperature, the working device hydraulic oil temperature, the engine water temperature and the air volume change, so that the heat balance of the whole machine reaches the optimal working temperature range, and the heat dissipation performance is good and the economy is saved. The energy effect is remarkable, effectively solving the problem of plateau adaptability. In the course of its use, it has been highly praised by the officers and men of the engineering army for its strong maneuverability and lightness, flexibility and reliability.
On January 11th, the "GJT112 Wheel Dozer Heat Balance Improvement Appraisal Meeting" held from Zhengzhou Fuyang Hotel came to the news: Yutong Heavy Industry Co., Ltd. "GJT112 wheel type bulldozer heat balance system improvement" because of novel design, advanced technology, stable performance, work Reliable, the main performance has reached the domestic leading level of similar products, has significant military and economic benefits, and promotes the application prospects. It has passed smoothly by the General Assembly Department of Land and Equipment Department, the General Armament Department, the Engineering and Military Bureau, and the Institute of Engineering and Engineering of the Polytechnic University. The General Assembly Engineering Research Institute II, the Beijing Military Region Command Engineering Research and Design Institute, the Jinan Military Region Command Engineering Research and Design Institute, Tsinghua University, Guangdong Dahua Rensheng Technology Co., Ltd. and other units of the expert group identification.