大家都知道，在攤鋪?zhàn)鳂I(yè)過程中，需綜合考慮諸多影響因素，才能實(shí)現(xiàn)高質(zhì)量攤鋪。

As we all know, in the process of paving operations, it is necessary to comprehensively consider many influencing factors in order to achieve high-quality paving.

如果熨平板前料頭過大，且溫度過低，會對預(yù)壓實(shí)和熨平板浮動帶來不良影響。

If the material head before the ironing plate is too large and the temperature is too low, it will have a negative impact on pre compaction and the floating of the ironing plate.

熨平板前保持恒量的料頭有利于熨平板的巧妙浮動。

Maintaining a constant amount of material before ironing is beneficial for the perfect float of the ironing plate.

攤鋪層越厚，熨平板所受承托力越強(qiáng)。

The thicker the paving layer, the stronger the supporting force on the ironing plate.

按比例控制的刮板輸料器和螺旋分料器，為在熨平板前保留理想數(shù)量的料頭提供了可能。

The proportional controlled scraper feeder and spiral distributor provide the possibility of retaining the desired amount of material heads before the ironing plate.

夯錘行程及夯錘速度

Hammer stroke and hammer speed

夯錘行程的幅度及夯錘速度是影響攤鋪料預(yù)壓實(shí)與熨平板浮動的重要影響因素。

The amplitude of the hammer stroke and the speed of the hammer are important factors affecting the pre compaction of paving materials and the floating of the ironing plate.

福格勒熨平板的夯錘行程可以設(shè)定為不同長度。夯錘的行程越長，其預(yù)壓實(shí)效果和壓實(shí)深度越理想。因此，應(yīng)使夯錘行程的設(shè)定與攤鋪厚度相匹配，以獲得正向攤鋪仰角。如果夯錘行程的相對攤鋪厚度設(shè)定過長，會導(dǎo)致熨平板負(fù)仰角，從而導(dǎo)致攤鋪層出現(xiàn)裂紋，甚至出現(xiàn)攤鋪層起伏不平。

The hammer stroke of the Fogler ironing plate can be set to different lengths. The longer the stroke of the hammer, the more ideal its pre compaction effect and compaction depth. Therefore, the setting of the hammer stroke should be matched with the paving thickness to obtain a positive paving elevation angle. If the relative paving thickness of the hammer stroke is set too long, it will lead to a negative elevation angle of the ironing plate, resulting in cracks in the paving layer and even uneven paving layer.

夯錘速度夯錘速度與攤鋪機(jī)行駛速度是否匹配，會對攤鋪層的預(yù)壓實(shí)帶來巨大影響。這意味著建議調(diào)整夯錘速度使之與攤鋪機(jī)行走速度匹配，或者改變攤鋪機(jī)行走速度與夯錘速度匹配。但理想的比例關(guān)系很難確定，要根據(jù)具體工況進(jìn)行必要調(diào)節(jié)，使熨平板攤鋪仰角盡可能小，從而降低攤鋪料對熨平板底板的磨損。

The matching between the speed of the hammer and the driving speed of the paver will have a significant impact on the pre compaction of the paving layer. This means that the speed of the compactor must be adjusted to match the walking speed of the paver, or the walking speed of the paver must be changed to match the speed of the compactor. However, the ideal proportion relationship is difficult to determine, and necessary adjustments should be made according to specific working conditions to minimize the elevation angle of the ironing plate paving, thereby reducing the wear of the paving material on the bottom plate of the ironing plate.

熨平板硬度

Ironing plate hardness

當(dāng)對熨平板攤鋪仰角做大幅度改變或單側(cè)改變時，可能會導(dǎo)致熨平板出現(xiàn)扭轉(zhuǎn)。

When the elevation angle of the flatbed is significantly changed or unilaterally changed, it may cause the flatbed to twist.

熨平板防爬鎖

Screed anti climbing lock

熨平板鎖定是熨平板浮動模式下攤鋪機(jī)停機(jī)后，開始繼續(xù)行走前執(zhí)行的短暫鎖定動作。此時有大約30 bar壓力作用于熨平板升降油缸的活塞端，這樣可避免重新開始工作時由于熨平板被抬升而造成的攤鋪面凸起。

Screed locking is a brief locking action performed by the paver in the floating mode of the scraper before continuing to move after the paver has stopped. At this time, about 30 bar of pressure is applied to the piston end of the lifting cylinder of the ironing plate, which can avoid the protrusion of the paving surface caused by the lifting of the ironing plate when starting work again.

攤鋪速度

Paving speed

攤鋪速度決定了攤鋪面的預(yù)壓實(shí)效果。

The paving speed determines the pre compaction effect of the paving surface.

攤鋪速度和熨平板前的料頭應(yīng)相互匹配。

The paving speed and the material head before the ironing plate should match each other.

當(dāng)進(jìn)行高速攤鋪時，對攤鋪料的消耗量很大，因此應(yīng)確保攤鋪料的及時供應(yīng)。

When high-speed paving is carried out, the consumption of paving materials is high, so timely supply of paving materials should be ensured.

攤鋪速度應(yīng)控制在料車能夠持續(xù)不間斷地為攤鋪機(jī)供料的范圍內(nèi)。

The paving speed should be controlled within the range where the material truck can continuously and uninterrupted supply the paving machine.

攤鋪速度對攤鋪層的預(yù)壓實(shí)有著至關(guān)重要的影響。應(yīng)盡可能保持小攤鋪仰角，這樣可避免出現(xiàn)攤鋪凸起，實(shí)現(xiàn)**預(yù)壓實(shí)效果。而攤鋪機(jī)速度與攤鋪仰角成正比，因此應(yīng)將攤鋪速度控制在小仰角攤鋪的范圍內(nèi)。

The paving speed has a crucial impact on the pre compaction of the paving layer. It is advisable to maintain a small paving elevation angle as much as possible to avoid paving protrusions and achieve a pre compaction effect. The speed of the paver is directly proportional to the paving elevation angle, so the paving speed should be controlled within the range of small elevation angle paving.

振動器頻率

Vibration frequency

當(dāng)進(jìn)行厚層攤鋪時，振動器頻率會對預(yù)壓實(shí)效果有一定影響。由于磨耗層需要是結(jié)構(gòu)致密、平整的攤鋪面，振動器的頻率對磨耗層攤鋪更為重要。

When conducting thick layer paving, the frequency of the vibrator will have a certain impact on the pre compaction effect. Due to the need for a dense and flat paving surface for the wear layer, the frequency of the vibrator is more important for the paving of the wear layer.

壓力梁頻率與壓力

Pressure beam frequency and pressure

壓力梁在脈沖液壓流的驅(qū)動下上下擺動。此脈沖由安裝在熨平板上的旋轉(zhuǎn)分配閥產(chǎn)生，其頻率在58到68 Hz之間。液壓油缸驅(qū)動壓力梁作用于整個攤鋪寬度。當(dāng)脈沖結(jié)束后，壓力梁在反向彈簧的推動下返回其原始位置。作用在壓力梁上的脈沖壓力大小決定壓力梁的行程。

The pressure beam swings up and down under the drive of pulsed hydraulic flow. This pulse is generated by a rotating distribution valve installed on the ironing plate, with a frequency between 58 and 68 Hz. The hydraulic cylinder drives the pressure beam for the entire paving width. After the pulse ends, the pressure beam returns to its original position under the push of the reverse spring. The pulse pressure acting on the pressure beam determines the stroke of the pressure beam.

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