Structures of YZ12H Road Roller:
1. Road Roller YZ12H with Rexroth is equipped with DongFeng Cummins engine,
2. Single frequency & Double amplitude and super centrifugal force creates strong compacting effect
3. Rear-wheel hydraulic drive and stepless T/M.
Features of Road Roller YZ12H with Rexroth :
1. Reasonable configuration, reliable performance, and high working efficiency hydraulic components
2.Operator's station is designed for comfort and safety such as fully-adjustable, suspension-mounted operator's seat.
Applications:
This Road Roller YZ12H with Rexroth is widely used to compress the surface being rolled to ensure a smooth, even result on the construction site such as road-making, runway of the airport, and building.
| Overall Dimension | |||
| 1 | Length | 6000mm | |
| 2 | Width(to outside of wheels) | 2300mm | |
| 3 | Height(To the top of the cab) | 3055mm | |
| 4 | Wheel base | 2945mm | |
| 5 | Tread | 1560mm | |
| 6 | Min. ground clearance | 395mm | |
| Main Technical Specification | |||
| 1 | Static line force | 300N/cm | |
| 2 | Dynamic line force | 1174 N/cm | |
| 3 | Operating weight | 12000kg | |
| 4 | Nominal Amplitude-high-low | 1.75mm 0.85mm | |
| 5 | Centrifugal-Force-high-low | 250kN 125kN | |
| 6 | Total stress force | 31500(kg) | |
| 7 | Static Weight at Drum | 6500kg | |
| 8 | Static Weight at Tires | 5500kg | |
| 9 | Frequency | 32Hz | |
| 10 | Min. turning radius(Outside of rear wheel) | 5880mm | |
| 11 | Drum diameter | 1530mm | |
| 12 | Drum width | 2130mm | |
| 13 | Drum thickness | 25mm | |
| 14 | Traveling speed(Km/h) | ||
| Stepless transmission | 0~12.1 | ||
| 15 | Gradient capacity | 20% | |
| Diesel engine | |||
| 1 | Model | Dongfeng Cummins engine 6BT5.9-C150 | |
| 2 | Type | Direct injection. Turbocharged. Water cooling | |
| 3 | Rated output | 110 kW | |
| 4 | Bore and stroke | 102X120mm | |
| 5 | Total exhaust of cylinder | 5.9 (L) | |
| 6 | Rated speed | 2200(r/min) | |
| 7 | Max. Torque | 590(N.M)/1500RPM | |
| 8 | Starting type | Electric | |
| 9 | Min. specific fuel consumption | 229(g/Kw.h) | |
| 10 | Net weight | 410±20(kg) | |
| Driving System | |||
| 1 | Model | Static Hydraulic stepless driving | |
| 2 | Type | Drive pump +drive motor + reducer | |
| 3 | Model of drive pump | A4VG90HWDL1/32R | |
| 4 | Model of drive motor | AA2FM80/61W | |
| 5 | System pressure | 40MPa | |
| 6 | Type of reducer | Spur gear parallel shaft constant-mesh | |
| 7 | Gear ratio of reducer | 2.94 | |
| Axle and Tire | |||
| 1 | Type of main reducer | spiral bevel gear, single stage | |
| 2 | Gear ratio of main reducer | 3.889 | |
| 3 | Type of final reducer | Single stage planetary | |
| 4 | Gear of ratio of final reducer | 4.941 | |
| 5 | Gear ratios | 19.2155 | |
| 6 | Size of tire | 23.1-26-12PR | |
| Working Device Hydraulic System | |||
| 1 | Model of tandem pump(vibrating +steering) | HP051B498BIJM20-7BRAB06-1 | |
| 2 | Vibrating hydraulic system pressure | 160(kgf/cm2) | |
| 3 | Model of oil motor | HM051A878BEP020-7 | |
| 4 | Solenoid vibratory valve | ZF250B | |
| Steering System | |||
| 1 | Type | Middle articulated frame. Full-hydraulic Steering | |
| 3 | Model of redirector | BZZ1-E500C | |
| 4 | System pressure | 12MPa | |
| 5 | Dimension of steering cylinder | Ф90*45*280(mm) | |
| Brake System | |||
| 1 | Type of traveling brake | Single chamber brake valve Caplier disc brake Air over oil activate rear axle | |
| 2 | Air pressure | 6-8(kgf/cm2) | |
| 3 | Type of parking brake | Hand brake Flexible shaft control clamp brake |
|
| Oil Capacity | |||
| 1 | Fuel(diesel) | 250 (L) | |
| 2 | Engine lubricating oil | 15 (L) | |
| 3 | Oil for gear box | 2.2(L) | |
| 4 | Oil for hydraulic system | 200 (L) | |
| 5 | driving axles(R) | Oil for main reducer | 18(L) |
| Oil for final reducer | 2X3(L) | ||
| 6 | Oil for brake system | 1.5( L) | |
| 7 | Oil for vibrating drum | 2X56(L) | |
