Small Mobile Geotechnical Rotary Pile Drilling Rig Xr320d

Small Mobile Geotechnical Rotary Pile Drilling Rig Xr320dProduct DescriptionXR320D Rotary Drilling Rig widely used in boring operation of bored concrete pile in foundation engineering of highway,railways, bridges, ports, docks and high-rise buildings.Technical Characteristics: * It adopts dedicated hydraulic retractable crawler chassis and heavy slewing bearing and has high stability.* It adopts the luffing mechanism of large triangle form to ensure the stability of construction of big holes and deep piles in hard formation.* It adopts the front-located single-rope main winch structure to greatly prolong the service life of steel wire rope and lower the use cost.* According to specific working conditions, the users can select a corresponding gear of the imported Cummins turbo supercharged engine with three gears, getting the drilling rig working as three engines.* Unit head can switch between Normal Mode and Rock Cracking Mode which are applicable for soil and rock excavation respectively,improving the efficiency.* Winch pressurization and sleeve drive are both available for selection to meet users' various demands.Detailed Photos Product Parameters Description Unit Parameter value Max. drilling diameter mm 2500 Max. drilling depth m 90 Allowable luffing scope (from center of drill rod to slewing center) mm 4100~4400 Drilling rig dimension in working condition (L × W × H) mm 10480×4800×25155 Drilling rig dimension in transport condition (L × W × H) mm 16550×3500×3500 Weight of overall unit (standard configuration, excluding drilling tool) t 92.8 Engine Model   CUMMINS QSM11-C400 Rated power/speed kW 298/(2100r/min) Hydraulic system Max. working pressure of main pump Mpa 35 Max. working pressure of auxiliary pump Mpa 30 Rotary drive Max. torque kN •m 320 Rotational speed r/min 5.5~21 Crowd cylinder Max. Pushing force kN 250 Max. Pulling force kN 250 Max.stroke mm 6000 Crowd winch Max. Pushing force kN 330 Max. Pulling force kN 350 Max.stroke mm 16000 Main winch Max.pulling force kN 280 Max. single-rope speed m/min 75 Auxiliary winch Max.pulling force kN 100 Crawler Width of crawler plate mm 800 External width of crawler (min.-max.) mm 3500~4800 Center distance between two longitudinal wheels of crawler mm 5175 Average ground pressure kPa 122 Company Profile/* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1