DESCRIPTION名称规格护帮板facesprag短杆shortbar长杆longbar护帮千斤顶Facespragram顶梁canopy左立柱leftleg右立柱rightleg平衡千斤顶Stabilizingram掩护梁cavingshield连接头Joint底座base左前连杆leftfrontlinkage后连杆rearlink-bar推移千斤顶AdvancingramΦ推移杆Relaybar销轴Axispin右挡板组件rightguardplateunit右前连杆rightfrontlink-bar左挡板组件Leftguardingplateunit底座组件BaseSubassemblyDESCRIPTION名称规格底座base后连杆rearlinkage铰接轴Hingedpin挡销Stoppingpin开口销cotterpin1前连杆frontlinkage推移千斤顶Advancingram销轴Axispin推移挡块advancingstopblock推移杆relaybar连接头Joint抬底千斤顶Base-liftingram抬底顶架base-liftingframe推杆固定销fixedpinfortherelaybarU型卡U-stapleKJ10-32立柱压板platenforlegs平垫圈plainwasher推移杆组件RelaybarsubassemblyDESCRIPTION名称规格推移杆relaybar销轴Axispin挡块stopblock开口销cotterpin挡销Stoppingpin平垫圈plainwasher压盘platen半环halfring抬底、顶架组件Base-liftingframesubassemblyDESCRIPTION名称规格抬底顶架Base-liftingframe螺栓bolt平垫圈plainwasher2抬底千斤顶