同煤集团力泰公司2007年末承揽修理1台中煤大中公司的4.2 m×6.1 m 脱泥筛(见图1),该脱泥振动筛的筛箱是由1对安装在不锈钢螺旋弹簧上的侧板及其连接横梁、驱动横梁组成,横梁上铺满筛面框架,筛面框架用来支撑筛分物料,驱动横梁上有2个激 At the end of 2007, Tongtai Liutai Company undertook the contract for the repair and repair of a 4.2m × 6.1m desilting screen of Taizhong Coal Dazhong Company (see Figure 1). The screen box of the desilting screen is composed of a pair of stainless steel spiral springs The side plate and the connecting beam are composed of a driving beam, the beam is covered with a sieve-surface frame, the sieve-surface frame is used for supporting the sieving material, and two beams are driven on the beam