Introduction

MDL serial model machine is Crawler-type (caterpillar-type) for deep foundation pit with Anchor Caterpillar ,its suitable for the construction of  subway, high-rise building,airport, or other deep foundation pit, rotary grouting and dewatering, its high efficiency.

Feature

1 technology

1.1  Anchor   suiable for Drilling rod ,Drilling casing, also with Casing followed drilling tools.

1.2  Jet grouting  suitable for single-pipe,double-pipe or triple-pipe rotary jet grouting.

1.3  Dewatering for deep foundation pit.

1.4  investigation & construction within 100 m depth.

1.5  CPT (5T)

1.6  Dynamic penetration

2 Based on different stratum,we can adjust Torque and Rotating Speed of drilling rig to inscrease drilling rig's adaptability .At same time, we can adjust torque and rotating speed according to client;s request.the rack travel is 3.4-meter length, can carry on 3-meter rod&casing composite drilling.according to the different underground layer, setting Power Head with related torque to imporve its adaptability.

3 Provide with Crawler chassis,High rotating platform,Large-diameter Leg-cylinder,0.9-M movable Carriage, The orifice (hole) support device, these are convenient to remove the drilling rig machine or fix its position, also stable and reliable when operation.

4  Provide with Rig clamp holder shackle, its easy to assemble or disassemble the Rods and Casings with low labor intensity and high efficiency.

5 Provide with related Drilling Tools.

5.1  Drilling with three-wing bit and mud slag at same time.

5.2  DTH Hammer Impact Drill by Air.

5.3  Drilling with Hydraulic Hammer and mud slag at same time.(low cost with BW-250 Pump and Hydraulic Hammer, low pollution)

5.4  Drilling with casings.

5.5  Rod&Casing composite drilling.

5.6  Technics involve Single, double, triple rotary jet grouting , or Directed grouting or Swing grouting.