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混凝土搅拌机搅拌筒设计的关键是什么?

来源:http://www.zkhntjbc.com/ 日期:2022-09-13
概述:混凝土搅拌机搅拌筒内壁通常设置1对带状的螺旋叶片,相错180°安装,采用左旋叶片。那么混凝土搅拌机搅拌筒设计的关键是什么呢?下面小
混凝土搅拌机搅拌筒内壁通常设置1对带状的螺旋叶片,相错180°安装,采用左旋叶片。那么混凝土搅拌机搅拌筒设计的关键是什么呢?下面小编就来为您讲讲相关内容吧。
The inner wall of the mixing drum of the concrete mixer is usually provided with a pair of ribbon shaped spiral blades, which are installed 180 ° apart and adopt left-handed blades. So what is the key to the design of the mixing drum of the concrete mixer? Let me tell you something about it.
搅拌筒旋转时,2条螺旋叶片被带动作围绕搅拌轴线的运动,实现混凝土的进料、搅拌、卸料作业。
When the mixing drum rotates, the two spiral blades are driven to move around the mixing axis to realize the feeding, mixing and unloading of concrete.
搅拌筒按功能可划分为2个区段,尾锥出口段为卸料引导区段,圆柱部分、前锥部分主要用于运输过程中对混凝土的搅动,防止凝固、离析,在卸料时将底部混凝土推出。
The mixing drum can be divided into two sections according to its function. The tail cone outlet section is the unloading guide section. The cylindrical section and the front cone section are mainly used to stir the concrete during transportation, prevent solidification and segregation, and push out the bottom concrete during unloading.
混凝土搅拌机
圆锥螺旋面是指母线aa′绕圆锥中心轴线、沿筒壁螺旋线轨迹旋转,母线的运动轨迹所形成的圆锥螺旋面。母线为直线的形成直纹螺旋面,母线为曲线的形成非直纹螺旋面。
Conical helicoid refers to the conical helicoid formed by the movement track of generatrix AA 'when generatrix AA' rotates around the central axis of the cone and along the spiral track of the cylinder wall. If the generatrix is a straight line, it forms a ruled spiral surface, and if the generatrix is a curve, it forms a non ruled spiral surface.
在直纹螺旋面中,母线与圆锥中心轴线正交的,形成直纹正螺旋面;母线与圆锥中心轴线斜交的,形成直纹斜螺旋面。
In the ruled helicoid, the generatrix is orthogonal to the central axis of the cone, forming a ruled positive helicoid; The generatrix is oblique to the central axis of the cone, forming a ruled oblique helical surface.
你以为搅拌机筒体有两条螺旋线,其实筒体内共设置了9条螺旋线,即前锥部分叶片叶根螺旋线(螺旋线1)和叶顶螺旋线(螺旋线4),圆柱部分叶片叶根螺旋线(螺旋线2)和叶顶螺旋线(螺旋线5),尾锥部分叶根螺旋线(螺旋线3)、叶中螺旋线(螺旋线6和螺旋线8)、叶顶螺旋线(螺旋线7和螺旋线9),其中螺旋线8和螺旋线9为圆柱部分与尾锥部分的过渡螺旋线。
You think that there are two helices in the mixer barrel, but in fact, there are nine helices in the barrel, namely, the blade root helix (helix 1) and the blade tip helix (helix 4) of the front cone part, the blade root helix (helix 2) and the blade tip helix (Helix 5) of the cylindrical part, the blade root helix (helix 3) of the tail cone part, the middle helix (helix 6 and helix 8) The blade tip helix (helix 7 and helix 9), wherein helix 8 and helix 9 are transition helices between the cylindrical part and the tail cone part.
这些搅拌筒螺旋线的根部和顶部型式、螺旋角决定混凝土在搅拌筒内沿轴向或切向运动的强度,因而也影响着搅拌和卸料的性能,是搅拌筒设计的关键。更多内容就来我们网站http://www.zkhntjbc.com咨询吧!
The root and top types and spiral angles of the spiral lines of these mixing drums determine the strength of the concrete moving in the axial or tangential direction in the mixing drum, and thus affect the mixing and unloading performance, which is the key to the design of the mixing drum. Come to our website for more information http://www.zkhntjbc.com Consult!

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