长螺旋钻机螺旋钻孔机是利用动力旋转钻杆，使钻头的螺旋叶片旋转削土，土块沿螺旋叶片上升排出孔外。钻孔机由主机、滑轮组、螺旋钻杆、钻头、滑动支架、出土装置等组成，用于地下水位以上的粘土、粉土、中密以上的砂土或人工填土土层的成孔，成孔孔径为300mm～600mm。配有多种钻头，以适应不同的土层。1一电动机；2一变速器；3一钻杆；4一托架；5一钻头；6一立柱；7一斜撑；8一钢管；9一钻头接头；10一刀板；11一定心尖在软塑土层，含水量大时，可用疏纹叶片钻杆，以便较快地钻进。在可塑或硬塑粘土中，或含水量较小的砂土中应用密纹叶片钻杆，缓慢地均匀地钻进。操作时要求钻杆垂直，钻孔过程中如发现钻杆摇晃或难钻进时，可能是遇到石块等异物，应立即停机检查。全叶片螺旋钻机成孔直径一般为300~600mm，钻孔深度8~20m。钻进速度应根据电流变化及时调整。在钻进过程中，应随时清理孔口积土，遇到塌孔、缩孔等异常情况，应及时研究解决。
Long spiral drilling machine drilling machine is the use of force to rotate the drill pipe, drill bit screw blade rotary cutting soil clods, along the spiral blade up discharge hole. Drilling machine by the host, pulley block, spiral drill pipe, drill bit, sliding support unearthed, etc., for above the underground water level of clay, silt, sand or above in artificial fill soil hole, bore aperture of 300mm ~ 600mm. Equipped with a variety of drill bits, in order to adapt to the different soil layers. 1 a 2 motor; a transmission of a drill pipe 4; 3; a bracket; a bit of a column of 5; 6; 7 a diagonal; 8 steel; 9 a bit adapter; 10 a knife plate; 11 apical in soft soil, moisture content, available thinning line blade drill pipe, so that faster drilling. In plastic or hard plastic clay, or water content smaller sand application microgroove blade drill, slowly and evenly drilling. Operation requirements of vertical borehole drilling, found the process of drill pipe shakes or difficult drilling, stones and other foreign bodies may be encountered, should immediately stop check. The spiral drill a hole diameter is 300 ~ 600mm, 8 ~ 20m drilling depth. Drilling rate should be based on the current changes and timely adjust. In the drilling process, should be kept clean hole soil, encountered hole collapse, shrinkage and other abnormal situations, timely solution.
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