Whether rolling uphill or downhill, the drive wheels of the roller should be behind. This has the following advantages: when going uphill, the rear drive wheel can bear the driving force provided by the ramp and the machine itself, while the front wheel performs preliminary compaction on the road surface to withstand the large shear force generated by the drive wheel ; When going downhill, the impact force generated by the weight of the road roller is offset by the braking of the driving wheel. Only the mixture rolled by the front wheel has the ability to support the rear driving wheel to generate shearing force.
When rolling uphill, the roller should start, stop and accelerate smoothly to avoid too high or too low speed.
Before rolling uphill, the mixture should be cooled to the specified lower limit temperature, and then static pre-compression should be carried out. When the mixture temperature drops to the lower limit (120°C), vibration compaction should be adopted.
Compaction |
|
Static linear load |
385N/cm |
Nominal amplitude |
1.8/0.44mm |
Vibration frequency |
70Hz |
Excitation force |
285/150K |
Engine |
|
Model |
YCD4T33T6-115 |
Type |
Diesel engine water-cooled four-stroke,four cylinders |
Power |
86kw/2400r/min |
Fuel tank volume |
75L |
Lubricating oil volume |
11L |
Fuel consumption |
285g/kw/h |
Travel |
|
Speed |
0-15km/h |
Turning radius |
3100mm |
Theoretical climbing capacity |
55% |
Size specification |
|
Wheel width |
2130mm |
Wheel diameter |
1400mm |
Wheel spacing |
3160mm |
Overall length |
5610mm |
Overall width |
2300mm |
Overall height |
2700mm |
Package size |
5800*2400*2810mm |