New Design Top-head Drive Tunnel Diamond Core Drill Bit KDJ-200
USD $1 - $18,888 /Set
Min.Order:1 Set
Chongqing Huobo Surveying Instruments Co., Ltd.
KDJ-200 Top-head Drive Tunnel China Drilling Rig with mechanical mast is mainly used for
drainage, support and penetration-proof in tunnel for hydro-power station, highway, railway and coal mining, also in treatment disaster of dangerous rock and hillside and water well drilling as well, It is mainly suitable for drilling hard rock with diamond and PDC bit, and DTH drilling as well.
1. Mast with top-head, top-head driven by mechanical transmission;
2. Hydraulic cylinder make the top-head feed or feed back. Long feed stroke, drilling reliably;
3. The angle range of mast is adjusted by oil cylinder, good detachability, easy to maintain.
Drilling method |
Drilling with diamond bit or PDC bit, air DTH |
Drilling depth in theory | 200m(50 drill rod, final hole dia.65);160m(60 drill rod, final hole dia. 91); |
Drill rod size | 50,60,73 drill rod;length 1200 mm(including coupling) |
Stroke of top-head | 1400 mm |
Feed/feed back speed of top-head | 0~0.168 / 0~0.344 m/s |
Power unit in standard | YD180L-8/4 electric motor(11kW 750 r/min;17kW 1500 r/ min) |
Output torque of top- head | forward:1376;840;507;366;287;404;315;221N·m reverse:1450;906N·m |
Rotation speed of top-head | forward 76;152;204;257;366;401;514;732r/min reverse 64;129r/min |
Rated pressure | 12MPa |
Dimension | 1900×1510×2580 mm(vertical) ;2555×1510×1110 mm(horizontal) |
Angle range | 0°~360° (when drilling vertically, electric motor must be turn reversely, oil pump And top-head need to turn in opposite direction |
weight | whole drill rig:1200kg(excluding power unit) |
Package: Wooden Case or Plywood
Shipping: within 10 working days after receival of deposit
Engineers available for overseas service of the machinery
Established in 2009.Chongqing Gold Mechanical & Electrical Equipment Co,. Ltd is a high-tech enterprise specializing in R&D design, manufacture and sale of geological instruments, oil instruments and other precise instruments and equipments.