Rock Drilling Rig - Hengli

Function		Product Model
Travel system	Travel Pump	HP4VG
	Travel Motor	HM6V
Function System	Main Control Pump	HP5V
	Main Control Valve	HVSP
Auxiliary System	Fan Pump	HP5V
	Fan Motor	HM3V

— Travel system：

HP4VGThe closed high-pressure structure is designed with high reliability, and a variety of control methods can be selected to meet the various application requirements of customers;HM6V motor adopts multi-piston structure design, which has good start-stop stability; and optimized rotating components have better high-speed performance and anti-pressure shock effect.

— Function System:

The Function system uses HP5V piston pump and HVSP/HVSM main control valve, which can realize precise adjustment of action;

— Auxiliary System:

The fan can use HP5V pump and HM3V piston motor. Through control, the system oil temperature can be effectively controlled in the best working range.