一、混凝土攪拌車(chē)在底盤(pán)的選擇上,
1、 In the selection of chassis of concrete mixer truck,
是?;炷翑嚢柢?chē)的事故率居高不下,是因為攪拌車(chē)的運輸工況一般較差,而且當今國內的攪拌車(chē)大多屬于超載運輸狀態(tài),給駕駛員的帶來(lái)很大隱患。所以選購車(chē)輛時(shí),駕駛室的性,車(chē)橋的承載性,剎車(chē)制動(dòng)的靈敏性以及電氣系統的穩定性是首要考慮的因素。
The first is security. The high accident rate of concrete mixer truck is due to the poor transportation condition of mixer truck, and most of the domestic mixer truck is overloaded transportation state, which brings great hidden danger to the safety of drivers. Therefore, the safety of the cab, the bearing capacity of the axle, the sensitivity of the brake and the stability of the electrical system are the primary factors to be considered when purchasing a vehicle.
其次是動(dòng)力系統,動(dòng)力系統包括發(fā)動(dòng)機、變速箱、傳動(dòng)軸、減速中后橋,國內的主流混凝土攪拌車(chē)涵蓋了從8方9方到20幾方不等的裝載容量,一般8到12方為三軸車(chē),12方以上為四軸車(chē)。發(fā)動(dòng)機馬力選擇一般為10方以下300馬力左右,10方到12方選擇336馬力左右,12方以上選擇375或者更大馬力。變速箱一般選擇9檔帶爬坡檔合適。后橋為輪邊減速橋,速比少4.5以上,對于西部山區,建議5.7左右。于傳動(dòng)軸,由于混凝土攪拌車(chē)的實(shí)際裝載噸位只有20到30噸左右,所以一般的傳動(dòng)軸就可以,而且還能起到過(guò)載保護的作用,無(wú)需加粗。
The second is the power system. The power system includes engine, gearbox, transmission shaft and deceleration middle and rear axle. The domestic mainstream concrete mixer truck covers the loading capacity ranging from 8 square meters and 9 square meters to more than 20 square meters. Generally, 8-12 square meters are three axle vehicles, and more than 12 square meters are four axle vehicles. The engine horsepower is generally about 300 horsepower below 10 cubic meters, about 336 horsepower from 10 to 12 square meters, and 375 or more horsepower above 12 cubic meters. Gear box generally chooses 9 gear with climbing gear. The rear axle is a wheel side deceleration bridge, with a speed ratio of at least 4.5. For the western mountainous area, it is recommended to be about 5.7. As for the transmission shaft, because the actual loading tonnage of concrete mixer is only about 20 to 30 tons, the general transmission shaft can be used, and it can also play the role of overload protection, without thickening.
還有是舒適性。底盤(pán)的整體設計,如車(chē)架的造型(選購那種前寬后窄,前低后高的車(chē)架,前低后高可以保障駕駛室在車(chē)架上的穩定性,前寬后窄可以在發(fā)生碰撞時(shí)讓車(chē)架吸收更多的沖擊力,以此保障駕駛室內人員的),駕駛室內部的設計(包括車(chē)輛座椅的配置,臥鋪的寬度,駕駛室的密封性及空間,多媒體系統的人性化),車(chē)輛前橋板簧(前橋板簧越長(cháng),在欠佳路段,車(chē)輛的顛簸越?。?。
And then there is comfort. The overall design of the chassis, such as the shape of the frame (it is recommended to choose the frame with wide front and narrow rear, low front and high rear, which can ensure the stability of the cab on the frame; the front width and rear width can make the frame absorb more impact force in case of collision, so as to ensure the safety of the personnel in the cab), and the design of the interior of the cab (including the configuration of the vehicle seat and the width of the sleeper) The longer the leaf spring of the front axle of the vehicle, the smaller the bump of the vehicle in the poor road section.
二、混凝土攪拌車(chē)上裝的選擇主要包括罐體和液壓件
2、 The selection of concrete mixer truck loading mainly includes tank body and hydraulic parts
混凝土攪拌車(chē)的功能就體現在罐體上,需要綜合罐體的傾斜角度、罐體噴漆、葉片設計等多種因素綜合考慮,液壓件包括減速機,液壓油泵,液壓馬達。攪拌車(chē)的液壓件和發(fā)動(dòng)機變速箱一樣,屬于核心的部件。
The function of the concrete mixer truck is embodied in the tank body, which needs to be considered comprehensively by many factors, such as the inclination angle of the tank body, the spray painting of the tank body, and the blade design. The hydraulic parts include the reducer, the hydraulic oil pump and the hydraulic motor. The hydraulic parts of mixer truck and engine gearbox are the core parts.
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