▼應定期檢查混凝土攪拌車攪拌葉片磨損情況并及時進行修補和換新;
The abrasion of mixing blades of concrete mixer truck shall be inspected regularly and repaired and replaced in time;
▼貫徹各項有關安全操作規范。4方混凝土攪拌車司機須經過專業培訓,無合格證者不得上崗操作;
All relevant safety operation specifications shall be implemented. The driver of 4-m3 concrete mixer shall be trained professionally, and those without certificate shall not work;
▼液壓系統壓力應符合使用說明書中的規定,不得隨意調整。液壓油的油質和油量應符合原定要求;
The pressure of the hydraulic system shall comply with the provisions in the operation manual and shall not be adjusted at will. The quality and quantity of hydraulic oil should meet the original requirements;
▼工作時,不得將手伸入旋轉的攪拌筒內,嚴禁將手伸入4方混凝土攪拌車主卸料溜槽和加長卸料溜槽的連接部位,以免發生事故;
When working, do not put your hand into the rotating mixing drum, and do not put your hand into the connection between the unloading chute and the lengthened discharge chute of the owner of the 4-square concrete mixer, so as to avoid accidents;
▼環境溫度高于+25攝氏度,從裝料、運輸、到卸料延續時間不得超過60分鐘,混凝土攪拌車環境溫度低于+25攝氏度,上述時間不得超過90分鐘;
If the ambient temperature is higher than + 25 ℃, the duration from loading, transportation to unloading shall not exceed 60 minutes; if the ambient temperature of concrete mixer truck is lower than + 25 ℃, the above time shall not exceed 90 minutes;
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▼冬期施工時,應切實做到:開機前檢查是否結冰;下班時認真排除4方混凝土攪拌車拌筒內及供水系統內殘存積水,關閉水泵開關,將控制手柄置于“停止”位置;
During winter construction, it is necessary to check whether there is icing before starting the machine; when off duty, carefully remove the residual water in the mixing drum and water supply system of the 4-square concrete mixer truck, turn off the water pump switch, and put the control handle at the "stop" position;
▼在施工現場卸料完畢后,應立即用混凝土攪拌車隨帶的軟管沖洗進料斗、出料斗、卸料溜槽等處,清除粘附在車身各處的污泥及混凝土。在返回攪拌站的途中,應向攪拌筒內注150---200L水以清洗筒壁及葉片粘結的混凝土殘渣;
After unloading at the construction site, the inlet hopper, discharge hopper and discharge chute should be flushed with the hose attached to the concrete mixer to remove the sludge and concrete adhering to the vehicle body. On the way back to the mixing station, 150-200l water should be injected into the mixing drum to clean the concrete residue bonded by the cylinder wall and blades;
▼混凝土攪拌車裝料前,應先排凈拌筒內殘存的積水和雜物。在運輸過程中要不停的轉動,以防混凝土離析。4方混凝土攪拌車到達工地和卸料之前,應先使拌筒全速以14—18轉/分轉動1—2分鐘,然后再進行反轉卸料。反轉之前,應使攪拌筒停穩不轉;
The residual water and sundries in the mixing drum shall be drained before the concrete mixer is loaded. In the process of transportation, keep rotating to prevent concrete segregation. Before arriving at the construction site and discharging, the mixing drum should be rotated at full speed at 14-18 rpm for 1-2 minutes, and then reverse unloading should be carried out. Before reversing, the mixing drum should be stopped stably;
▼每天工作結束后,司機應負責向攪拌筒內注入清水并高速(14—18轉/分)旋轉5—10分鐘,然后將水排去,以保障混凝土攪拌車筒內清潔。用高壓水清洗攪拌筒各個部分時,應注意避開儀表及操縱桿等部位。壓力水噴嘴與車身油漆表面間的距離不得小于40厘米;
Every day after the work, the driver should be responsible for injecting clean water into the mixing drum and rotating it at high speed (14-18 RPM) for 5-10 minutes, and then drain the water to ensure the cleanness of the concrete mixer drum. When cleaning each part of the mixing drum with high pressure water, pay attention to avoid the instrument and control rod. The distance between the pressure water nozzle and the paint surface of the car body shall not be less than 40 cm;
▼清除攪拌筒內外積污及殘存的混凝土渣塊時,以及在機修人員進入筒內進行檢修和焊補作業時,需先關閉汽車發動機,使攪拌筒完全停止轉動。在機修人員進入筒內工作期間,須保障拌筒內通風良好,空氣新鮮,無可然氣體及有害灰塵,氧氣供應充足(不得使用純氧)。在筒內使用電動工具操作時,4方混凝土攪拌車操作人員須有良好的絕緣保護。
It is necessary to turn off the motor engine to stop the mixing drum completely when removing the dirt and residual concrete slag inside and outside the mixing drum, and when the machine maintenance personnel enter the cylinder for maintenance and welding repair. During the period when the machine maintenance personnel enter the cylinder, they must ensure that the mixing drum is well ventilated, the air is fresh, there is no combustible gas and harmful dust, and the oxygen supply is sufficient (pure oxygen is not allowed). When the electric tools are used in the cylinder, the operators of the 4-m3 concrete mixer must have good insulation protection.
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