1,Hydraulic system provide perfect power and accurate control to ensure continuous digging operation.
Main components, such as pump, valve, are manufactured by international top brand enterprises.
There is an open hydraulic system with Tri pump & Tri circuits, controlled by load sensing system and limit power to ensure higher efficiency and productivity at the lower est hydraulic loss. Reasonable power distribution and double pumps with crossover power control system can reduce circulation time under multiaction operation and promote productivity.
Swing secondary pressure control for better starting and braking pressure so as to ensure fast and stable swing operation.
Hydraulic hose, connection: world famous brand with excellent performance ensure better reliability for operation in mine.
High efficiency features：
Starting with zero displacement with better starting load and starting performance
Technique with minimum flow control at neutral position for best energy saving and economical efficiency
Technique with pressure cut-off to provide better system protection
Control of constant power of single pump, limited power of three pumps for reasonable distribution of engine power
Confluence of three pumps for combined movements and increasing of operating efficiency
Logic valve control for automatic straight traveling, automatic release of swing brake
Confluence of two pumps for increasing operating efficiency
2,Power system(Unique power-driven technology in China)
Diesel engine
Cummins QSK19 electronic injection engine with CELETC electrical system provide surging power and excellent reliability, conforms, conforms toTier2 emission standard. ECM is enable to read controller data and adjust engine to meet different working conditions
Turbocharged and electronic injection control can promote fuel efficiency and reduce fuel consumption,meanwhile provide stronger power and better performance.
Electric engine ECM is featured as data collect, error diagnosis, automatic protection, maintenance and monitoring
Electromotor
Clean energy: zero-displacement, environmental friendly
Low cost: compare to diesel engine, the electromotor is more economical
Maintenance free: lower operating cost and easy maintenance
Separate hyd-oil cooler with better cooling effect and easy maintenance
3,Welding&casting structure for working attachment
Adopt international top brand cylinder seal for better sealing property
Working attachment pins are made of special wearresistant alloy, hardening and chroming treated for getting high strength and long circle life
4,Automatic central ludricating sestem
Top brand automatic central lubrication at setting time interval, for specified quantity and at all lubrication points. which results in saving of manual daily maintenance, reduced manpower and increased productivity
5,Classified esign & manufacture based on working condition
Special design & manufacturing of bucket, undercarriage, working attachment and other structure parts based on different working condition; customizing design on power unit, hydraulic system, oil products and electrical system to make our products suitable for all kinds of adverse circumstance
Working attachments such as breaker, cultivators, quick-change connector can be equipped to meet different working requirements