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当前位置:首页>新闻中心>行业新闻>自动搅拌车零部件认识之搅拌筒与副车架

自动搅拌车零部件认识之搅拌筒与副车架

来源:http://www.jfhntjbj.com/ 日期:2022-07-13 发布人:guanli
概述:搅拌筒 Mixing drum 搅拌筒是整个搅拌运输车的关键部件,作为存储混凝土的容器,对防止其固化、离析起着决定性的作用。它由拌筒体、托轮等
搅拌筒
Mixing drum
搅拌筒是整个搅拌运输车的关键部件,作为存储混凝土的容器,对防止其固化、离析起着决定性的作用。它由拌筒体、托轮等组成。
The mixing drum is the key component of the whole mixer truck. As a container for storing concrete, it plays a decisive role in preventing its curing and segregation. It is composed of mixing cylinder, supporting wheel, etc.
筒体由前锥段、后锥段、圆柱段、封头、叶片、进料小锥、滚道等组焊而成。前端与减速机连接在一起,后部通过托轮支撑在副车架上。托轮起支撑滚筒体的作用,由支座、轴承座、轴、轴承等组成。
The cylinder is assembled and welded by front cone section, rear cone section, cylindrical section, head, blade, feeding cone, raceway, etc. The front end is connected with the reducer, and the rear end is supported on the subframe through supporting wheels. The supporting wheel plays the role of supporting the drum body and is composed of support, bearing seat, shaft, bearing, etc.
搅拌筒的壳体及叶片都由高强度钢板制作而成,具有更高的耐磨性。封头整体一次旋压成形,与加强板焊接后具有足够的刚度与强度。
The shell and blades of the mixing drum are made of high-strength steel plate, which has higher wear resistance. The head is formed by one-time spinning and has sufficient stiffness and strength after welding with the reinforcing plate.
进料小锥直接影响到整车的进料速度,速度太快,会产生离析现象,而进料速度太慢,又影响工作效率。因此,进料小锥设计呈漏斗状,大口径,进料速度保持在3.2m3/min,可确保顺利进料,防止混凝土溢出。
The feeding cone directly affects the feeding speed of the whole vehicle. If the speed is too fast, segregation will occur, and if the feeding speed is too slow, work efficiency will be affected. Therefore, the feeding cone is designed to be funnel-shaped, large-diameter, and the feeding speed is maintained at 3.2m3/min, which can ensure smooth feeding and prevent concrete overflow.
滚道为锻件,整体锻造而成。在整个筒体焊完后,再加工外圈,以保证同轴度要求。
The raceway is forged as a whole. After the whole cylinder is welded, the outer ring shall be processed to ensure the coaxiality requirements.
经过优化设计的搅拌筒,具有可靠的结构刚度,良好的耐磨性能,流畅地进出料,低的残留量,既可搅拌混凝土,又可搅动输送预拌混凝土,决无出料离析现象,确保了混凝土的匀质性能。
The optimized mixing drum has reliable structural stiffness, good wear resistance, smooth feeding and discharging, and low residue. It can not only mix concrete, but also stir and transport ready mixed concrete. There is no discharge segregation, ensuring the uniformity of concrete.
自动搅拌车
副车架
Subframe
自动搅拌车副车架是主要的承重部分,作业时的载荷几乎都是通过它来支撑,加上在行使中由于路面的颠簸和加、减速形成的冲击载荷,都对副车架的结构提出很高的要求。
The subframe of the automatic mixer truck is the main load-bearing part, and the load during operation is almost supported by it. In addition, the impact load formed by the bumpiness of the road and acceleration and deceleration during driving puts forward high requirements for the structure of the subframe.
整个副车架由主梁、前台支撑架、后台支撑架组成。
The whole subframe is composed of main beam, foreground support frame and background support frame.
主梁采用整体箱型结构梁,从根本上增强了它的抗扭、抗折、抗拉性能,保证了刚性要求,在两根主梁之间加装辅助横梁,调整主梁各段的刚性,让载荷在副车架整个长度上更均匀的分布。
The main beam adopts an integral box structure beam, which fundamentally enhances its torsional, flexural and tensile properties, and ensures the rigidity requirements. An auxiliary beam is added between the two main beams to adjust the rigidity of each section of the main beam, so that the load is more evenly distributed over the whole length of the subframe.
在行使过程中不可避免会遇到特殊情况而采取紧急制动,由此所带来的惯性力是非常大的,加上搅拌筒本身有一定的倾角,所以副车架前台承受的载荷相对来说要大得多,而这一部分载荷主要加在联接减速机与前支撑座的六个螺栓上,为防止螺栓发生被剪断而酿成事故,在前支撑台加装止推挡块,使螺栓不受到剪切力的影响,确保车辆运行中的安全。
In the process of driving, it is inevitable to adopt emergency braking in case of special circumstances, and the inertia force caused by this is very large. In addition, the mixing drum itself has a certain inclination angle, so the load borne by the front desk of the subframe is relatively much larger, and this part of the load is mainly added to the six bolts connecting the reducer and the front support seat. In order to prevent the bolts from being cut off and causing accidents, thrust blocks are added to the front support platform, So that the bolt is not affected by the shear force, so as to ensure the safety of vehicle operation.
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