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攪拌車運送混凝土時攪拌筒轉(zhuǎn)速問題

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攪拌車運輸攪拌好的混凝土時，攪拌筒的轉(zhuǎn)速為2-10轉(zhuǎn)/分。在運輸過程中，保證平路上的攪拌筒轉(zhuǎn)速為2-3轉(zhuǎn)。在側(cè)傾坡度大于50的道路上行駛時，當路面左右晃動時，應停止攪拌和轉(zhuǎn)動，待路況改善后再恢復攪拌和轉(zhuǎn)動。

When the mixer truck transports the mixed concrete, the speed of the mixing drum is 2-10 rpm. During transportation, ensure that the speed of the mixing drum on the level road is 2-3 revolutions. When driving on a road with a side slope greater than 50, when the road shakes left and right, stop mixing and rotation, and resume mixing and rotation after the road condition improves.

混凝土攪拌車運輸混凝土的時間不能超過攪拌站規(guī)定的時間。混凝土輸送過程中，攪拌筒不得長時間停機，防止混凝土離析。司機應不時觀察具體情況，發(fā)現(xiàn)異常及時向調(diào)度室報告，并申請?zhí)幚怼?/div>

The time of transporting concrete by concrete mixer truck shall not exceed the time specified by the mixing plant. During concrete transportation, the mixing drum shall not be shut down for a long time to prevent concrete segregation. The driver should observe the specific situation from time to time, report any abnormality to the dispatching room in time, and apply for handling.

攪拌車裝滿混凝土時，現(xiàn)場停留時間不得超過1小時。8、攪拌車輸送的混凝土坍落度不得小于8cm?；炷翉娜牍薜叫冻?，高溫時不得超過2小時，陰雨天氣低溫時不得超過2.5小時。

When the mixer truck is full of concrete, the stay time on site shall not exceed 1 hour. 8. The slump of concrete transported by mixer truck shall not be less than 8cm. The concrete shall not exceed 2 hours in high temperature and 2.5 hours in rainy weather and low temperature from entering the tank to discharging.

在怠速的情況下（發(fā)動機轉(zhuǎn)速為600r/min），攪拌時間一般在4r/min左右，出料時間在6r/min左右。當發(fā)動機轉(zhuǎn)速為1500～2000r/min加油時，液壓泵和電機的機械效率很高。高，加料攪拌時10r/min左右，出料時12～14r/min。轉(zhuǎn)速一般是可調(diào)的。通過調(diào)整各點的傳遞扭矩，可以提高或降低轉(zhuǎn)速。攪拌速度過快，會影響液壓系統(tǒng)的使用壽命。一般運輸時的攪拌速度為3轉(zhuǎn)/分。

At idle speed (engine speed is 600r/min), the mixing time is generally about 4r/min, and the discharging time is about 6R / min. When the engine speed is 1500 ~ 2000r/min, the mechanical efficiency of the hydraulic pump and motor is very high. High, about 10r/min when adding and stirring, and 12 ~ 14r/min when discharging. The speed is generally adjustable. By adjusting the transmission torque at each point, the speed can be increased or decreased. If the mixing speed is too fast, the service life of the hydraulic system will be affected. Generally, the mixing speed during transportation is 3 rpm.
全自動攪拌車廠家

此外，攪拌車裝載混凝土時，在現(xiàn)場的停留時間不得超過1小時。攪拌車輸送的混凝土坍落度不得小于5cm。混凝土從入罐到卸出，高溫時不得超過2小時，陰雨天氣低溫時不得超過2.5小時。

In addition, when the mixer truck is loading concrete, the stay time on the site shall not exceed 1 hour. The slump of concrete transported by mixer truck shall not be less than 5cm. The concrete shall not exceed 2 hours in high temperature and 2.5 hours in rainy weather and low temperature from entering the tank to discharging.

攪拌車卸混凝土前，應使攪拌筒以10-12轉(zhuǎn)/分的速度轉(zhuǎn)動1分鐘，然后卸料。

Before unloading concrete from the mixer truck, the mixing drum shall be rotated at the speed of 10-12 rpm for 1 minute, and then unloaded.

全自動攪拌車廠家認為，混凝土攪拌車卸料后，應立即用車載沖洗系統(tǒng)排干水，清洗進料口、卸料斗、卸料溜槽等剩余混凝土，然后澆注150-200L清水進入攪拌桶。回程時，讓攪拌筒慢速轉(zhuǎn)動，清理內(nèi)壁，防止殘留物料粘附在筒壁和攪拌葉片上。再次充電之前排干這些水。

The fully automatic mixer truck manufacturer believes that after the concrete mixer truck is unloaded, it should immediately drain the water with the on-board washing system, clean the feed inlet, discharge hopper, discharge chute and other residual concrete, and then pour 150-200l of clean water into the mixing drum. When returning, let the mixing drum rotate slowly and clean the inner wall to prevent residual materials from adhering to the drum wall and mixing blades. Drain the water before recharging.

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