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WHB Long spiral rotary drilling rig
WHB Long spiral rotary drilling rig

WHB Long spiral rotary drilling rig 1.Stable and reliable; 2.High efficiency; 3.Strong overload capacity

 WHB Long spiral rotary drilling rig specifications

Pile machine is ideal equipment which is widely used in building residential high-rise buildings, highways, high-speed

railway foundation treatment .

          Rotary drilling rig get rid of the cable tie and mobiles flexiblly, wide pile diameter, high


 Walking stability, operation safety: Electric caterpillar design;large size grounding , small ground pressure, before and after pile machine is equipped with 4hydraulic legs; construction stability.

Flexible walking, high construction efficiency: Driven by the motor,big torque reducer to solve the walking difficulties caused by uneven muddy of construction site,  the efficiency can be improved 2-3 times, no pile position dead angle, pile.

Aligning with the pile location is accurate and reliable: Braces adopt screw expansion which can be realized adjustment on the pile and column verticality , ensure pile vertical, accurate and fast.

Simple repair , cost-effective:The malfunction rate of the motor and the repair cost is much lower than that of diesel engine, no noise, no waste water discharge.

Can achieve a variety of constructions.Can realize the SMW process, multiple spindle drilling machine, diesel hammer, hammer, hydraulic hammer and other working apparatus for multiple method construction.

Model WHB23WHB26WHB30
Max drilling diameter(mm)400600800400600800400600800
Max drilling depth(m)232026203025
Motor power45×245×255×2
Max Torquemoment(kN.m)35.535.543.4
Drilling mast speed(r/min)
Walking step size(m)1.11.13
Rotary speed0-0.60-0.60-0.5
Track gage of vertical prop slide (m)600600600
Maxmum Pulling force(kN)300300400
Total weight(t)454660
Transport weight2020/
Walking typeWalking typeWalking typeWalking type
Walking speed(m/min)//4.5
Angle of revolution360°360°360°
Grounding pressure(m)//0.045-0.35
Size in working condition(m) 12×5×2812×5×3113.5×6×36
Size in transportation condition10.5×3×3.110.5×3×3.112×2.5×3.1
Slant range of vertical prop(°) Fore rake 12°;Tip back 3°Fore rake 12°;Tip back 3°Fore rake 12°;Tip back 3°

WHB Long spiral rotary drilling rig

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