Road rollers are heavy-duty construction machinery, and they can be often seen when building roads, and they are widely used in large-scale engineering projects.The rollers are divided into vibrating rollers and static rollers.

Because heavy-duty mechanical rollers have strict operating requirements, the following are the requirements for routine operation of the rollers:

1. During operation, the roller should start first before it can start to start, and the internal combustion engine should be placed at medium speed before adjusting to high speed.
2. The machine should be stopped first during speed change and reversing, and the internal combustion engine speed should be reduced during speed change.
3. It is strictly forbidden for the roller to vibrate on solid ground.
4. When rolling the soft roadbed, you should first roll it 1 to 2 times without vibration, and then vibrating and rolling.
5. During rolling, the vibration frequency should be consistent.For adjustable vibration rollers, the vibration frequency should be adjusted first before operating, and the vibration frequency should not be adjusted without vibration.
6. Adjustment of the commutation clutch, shock clutch and brake should be carried out after the main clutch is disengaged.
7. When going up and downhill, you cannot use the fast gear.In sharp turns, including articulated vibration rollers, when rolling in small turns, it is strictly forbidden to use fast gears.

Roller construction skills

Many machinery have skills during construction. If the skills are mastered, then the construction will be very fast and the efficiency can be greatly improved.
1. The choice of compaction machinery should be light first and then heavy.At the beginning, the soil is soft. If the tonnage of the road roller is too heavy, it will cause soil accumulation, uneven thickness, and not guaranteed compaction.Therefore, first use a small and light roller to compact the soil evenly. After the subgrade soil has a certain strength, then use a heavy roller to roll it to the required compaction degree.If it is a vibrating roller, the static pressure should be performed once, and then the vibration should be from weak to strong vibration.
2. The compaction speed should be slow first and then fast.The rolling speed of the roller should gradually accelerate as the number of rolling cycles increases, that is, the rolling should be carried out at a lower speed during initial pressure. This can extend the rolling pressure time, increase the depth of the impact, accelerate soil deformation, avoid the phenomenon of rolling wheels cramming, and prevent abnormal situations such as small rollers from getting stuck in vehicles.
3. Straight line sections and large curve sections without super high should be side first and then middle.The small roller gradually rolls the center line of the roadbed from the outside of the roadbed and along the direction of the roadbed extension to form a road arch for easy drainage.
4. A section with ultra-high small curves should be rolled from the inside to the outside, from the lower part of the roadbed to the higher part of the roadbed, forming a one-way ultra-high cross slope.
5. When rolling the ramp, the driving wheel of the small roller should be at the back.When going uphill, the rear drive wheel can withstand the driving force provided by the ramp and the machine itself. At the same time, the front wheel initially compacts the road surface to withstand the greater shear force generated by the drive wheel.
6. Whether it is uphill or downhill, the lower layer of asphalt mixture must be clean and dry, and the asphalt bonding layer must be sprayed to prevent the mixture from slipping during compaction.
7. Before uphill compaction, the mixture should be cooled to the specified low-limit temperature, and then static pre-pressurized. Vibration compaction should be used only when the mixture temperature drops to the lower limit.

8. When performing downhill compaction when the slope is very steep, pre-pressing should be first used with a light roller, and then a heavy roller or a vibrating roller should be used for compaction.

Key elements of road roller construction

Correct operating skills and observance precautions are crucial to ensuring the quality and safety of road construction. The following key elements of the construction of the rollers.

1. Rolling order

Determine a reasonable rolling order according to road design and construction requirements. Typically, start from the edge of the road and advance gradually toward the middle, ensuring that each area is properly compacted and avoid leakage or over-compression.

2. Speed ​​and vibration settings

Select the appropriate driving speed and vibration mode according to road materials and compaction requirements. The initial compaction is performed at low speeds and gradually increase the speed to achieve the ideal compaction effect. The vibration mode can be adjusted according to different sections and materials.

3. Movement trajectory

Maintain a stable driving trajectory and avoid sudden steering or sudden braking to avoid damage to the road surface. The driving trajectory should maintain a uniform speed and a uniform coverage range to ensure uniform compaction of the road surface.

4. Rolling method

Choose the appropriate roller method according to the different parts of the road and the characteristics of the materials. For example, for edge portions and curves, lateral rolling can be used to ensure uniform compaction of the edges; for soft materials, lighter vibrations and lower travel speeds can be used to avoid material damage.

5. Rolling overlap

Make sure that the tire overlapping portions of each roller are properly covered to avoid leakage or heavy pressure. Reasonable rolling overlap can ensure uniform compaction of the entire road surface and improve the flatness and compactness of the road.

6. Rolling speed control

According to the road conditions and requirements, the driving speed of the roller is reasonably controlled. Excessive speed may lead to insufficient compaction, while slow speed may lead to excessive compaction and damage to the road surface. According to actual conditions, flexibly adjust the driving speed to ensure good compaction effect.
In the construction of highway projects, the roller plays an important role. The efficiency of the roller plays a critical role in the quality of the road rolling. Therefore, the normal operation of the roller equipment is of great significance to the quality of highway projects.

#Evaporation core bracket  #Condenser bracket 1 #Vibration valve seal assembly #Silencer

How to buyRoad Roller maintenance related accessories at CCMIE?

If you need to buy road roller accessories or a new road roller, you can contact us. If you need to buy a second-hand road roller, you can also contact us. CCMIE provides you with comprehensive road roller sales services.