我国目前使用的简易支架 ,经常发生倒架 ,架间连接件损坏严重 ;架间结构和液压系统还不够完善 ,移架操作需要 2 ～ 3人 ,速度亦较慢。为此 ,兖州矿业 (集团 )公司常州科学技术开发研究所研制出了一种新型的简易支架ＴＪＴ型抬移式支架。这种新型的简易支架具有以下特点 :用抬架 At present, the simple bracket used in our country often has the down frame and the connection between the frames is damaged seriously. The structure between the frame and the hydraulic system is still not perfect, and the moving operation needs 2 ~ 3 people and the speed is also slow. To this end, Yanzhou Mining (Group) Corporation Changzhou Institute of Science and Technology developed a new type of simple bracket TJT-type lifting bracket. This new type of simple bracket has the following features: With the lift