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QJS-50L型多功能钻机
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QJS-50L型多功能钻机

QJS-50L多功能钻机配置了大通径通孔式动力头、增高副塔、以及叠加式双天车卷扬,采用了负载敏感变量液压系统,通过创新的电控技术,实现了夹持大直径钻杆长行程微调步进施工的功能,特别适合双高压RJP工法和多管MJS超高压旋喷工法施工。
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  一、功能:

  QJS-50L多功能钻机配置了大通径通孔式动力头、增高副塔、以及叠加式双天车卷扬,采用了负载敏感变量液压系统,通过创新的电控技术,实现了夹持大直径钻杆长行程微调步进施工的功能,特别适合双高压RJP工法和多管MJS超高压旋喷工法施工。

  二、优势:

  2.1、通孔式动力头最大通孔达到Φ145mm,可以夹持RJP、MJS工法钻杆,实现大直径超高压旋喷作业。

  2.2、有效高度超过16m的天车卷扬可以实现长行程施工一杆到底,而不需要频繁拆接钻杆,极大地提高了工作效率,克服了传统RJP、MJS工法辅助工作时间长、效率低的不足。

  2.3、带有自动回转支承的履带底盘移位对孔方便,进一步减少了辅助工作时间,提高了施工效率。

  2.4、在进行RJP、MJS工法作业时通过对硬化材料(水泥浆)的流量控制,并对加压输送、喷射切削、强制排泥等一系列工序的监控和控制,可以实现大直径成桩以及精准地基加固,对周边环境及地基扰动影响小,地层上返的泥浆可以集中管理,对环境的影响小。

  三、特点:

  3.1、大通径通孔式动力头(最大通过直径Φ145mm),最大输出扭矩不小于6000Nm,转速分为0~45rpm和0~90rpm 两档,夹持钻杆范围宽,相对同类机型转速范围宽,在施工工艺上有了更多的适应性。

  3.2、主机桅杆最大行程为4000mm,最大起拔力10T,相对同类机型有效钻进行程更长,起拔能力更大,可以满足更深成孔成桩的施工要求。

  3.3、钻机配置了带有双速行走马达的履带底盘,和主机连接采用自动回转支承,钻孔作业时就位快速方便。

  3.4、钻机前支腿采用前伸式结构,施工时钻机的支点前伸,孔口中心的支撑力更加集中,施工和起下钻更加稳定。

  3.5、钻机配置了集成驾驶室,带冷暖空调,监控显示屏幕及操作输入屏幕集成在驾驶室内,改善了操作环境和仪表的保护。

  主要技术参数:

  最大一次成桩深度Maximum single pile depth(m):15

  卡盘通径spindle bore(mm):Φ145

  输出扭矩output torque(Nm):8000

  输出转速output speed(r/min):0-45、0-90

  最低稳定转速minimum stable speed(r/min):0.5

  动力头行程Power head stroke(mm):4000

  动力头额定提升力lifting force of power head(kN):85

  动力头额定加压力feeding force of power head(kN):50

  动力头提升速度lifting speeding of power head(m/min):0-6.1

  动力头加压速度feeding speeding of power head(m/min):0-10.3

  推进架滑移行程stroke of slide frame(mm):600

  主卷扬提升力main hoist lifting force(kN):30

  副卷扬提升力sub-hoisting lifting force(kN):10

  主卷扬提升速度lifting speed of main hoist(m/min):16.5

  副卷扬提升速度lifting speed of sub-hoist(m/min):18.5

  孔口装置orifice device:单夹持器

  夹持范围holding range(mm):60-220

  履带底盘总宽度width of caterpillar chassis(mm):2600

  履带接地比压contact area pressure ratio(kN/m2):68.3

  履带行走速度walking speed of caterpillar chassis(km/h):1.05/1.58

  工作状态外形尺寸operation dimension(m)L×W×H:6.2×3.3×17.8

  运输状态外形尺寸transport dimension(m)L×W×H:7.6×3×3

  重量Weight(kg):16000

  输入总功率(电机)input power(electromotor)(kW):45+15

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