1. Equipped with Dongfeng Cummins engine (179KW), dedicated for engineering machinery.
2. Rotation system adopts close-circuit system of American Sauer plunger pump and Liyuan electro-control dual speed variable plunger motor.
3. Push&pull and clamp adopt open-circuit load-sensitive system: American Sauer load-sensitive plunger variable pump; American Sauer load-sensitive proportional multi-way valve.
4. Push&pull, clamp and walking mechanism are controlled by proportional multi-way valve imported from American Sauer Corp.
5. Push&pull adopts German reducer and radial plunger hydraulic motor from Sayi Corp.
6. Steel track plated with rubber can be loaded heavily and walk on all kinds of roads as well.
7. Main girder adopts four bar linkage luffing structure, which highly increases incidence angle range insures thelarge angle and rig tracks not being off ground, having improved the safety performance.
8. Wire-control walking system.
9. Mud pump system: equipped with home-made high quality vehicle-loaded mud pump 320L/min.
Main Performance Characteristics
1, Rotation adopts Sauer close-circuit variable plunger pump.
2, Push&pull, clamp adopt load-sensitive variable system control.
3, Simple electric circuit, low failure rate.
4, Rack and pinion for push&pull, high efficiency, stable working convenient maintenance.
5, Advanced hydraulic system raises 15-20% productivity than traditional one, reduces 50% heat, saves 15-20% energy.
6, Wire-control walking system ensures safety during travelling.
7, Main parts are chosen from domestic or international first class producers, highly increasing products performance reliability.
8, Equipped with φ73×3000mm reinforced drill rods, moderate machine size adapts to narrow and small working area and high efficient construction as well.