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主页 > 复摆颚式破碎机结构及过载保护系统 >

摘要

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摘要
颚式破碎机经100多年的实践和不断改进、其结构已日臻完善我国自50年代仿制颚式破碎,经过近50年的摸索和研究、设计资料更加完善、设计方法更加先进,结构更加合理、产品性能更加优良。由于它具有结构简单、工作可靠、制造容易、维修方便等其他破碎机无法替代的优点,至今仍广泛应用于工业各部门,而且我国生产的破碎机还远销世界各地。据不完全统计,我国目前每年生产各型号颚式破碎约万台,但得到广泛使用的还是传统复摆颚式破碎机。各种制造厂家的产品技术水平相差悬殊,有少数厂家的产品已接近世界先进水平,大多数厂家的产品差距很大。为缩短差距和赶上世界先进水平,发展和提高现有颚式破碎机技术水平是必要的,现在这个行业竞争比较激烈,光靠传统的颚式破碎机已经满足不了市场的需求,需要对现有的机器进行改进。
复摆颚式破碎机的破碎工作是在两块颚板间进行的,其中一块固定在机架上称为定颚板,另一块装在运动的动颚体上称为动颚板,其表面一般为牙形。当动颚板周期性地靠近与远离定颚板时,完成破碎与排料工作,现在机构中加一个过载保护系统,能更好的延长机器的寿命。
与简摆颚式破碎机,复摆颚式破碎机上下水平行程分布较合理,且有较大的垂直行程,有利于破碎腔内的物料下移,因此其生产能力高于简摆颚式破碎机约30%。同时也因为过大的垂直行程,使其定、动颚板磨损很快,大大降低了使用寿命。
本论文主要对复杂摆动破碎机的结构和参数的设计和计算作了重点介绍和论述以及介绍了过载保护系统,通过对复摆颚式破碎机的结构和过载保护系统设计,我们更好的了解了机器的性能和工作原理,并且延长了机器的使用寿命,在技术上获得了更大的突破。
 
关键字:破碎机,材料,矿石,岩石,周期性
 
Jaw type crusher of compound pendulum and overload protection
 
Abstract
Jaw type crusher improves and continuously by the practice of more than 100 years , its structure have become better day by day our country from 50 decade copy jaw type breakage, pass near 50 years grope and study , design information more perfect, design method more advanced, structural more reasonable, product performance is more fine. Since it has structure, is simple , work reliable , production the other crushers such as easy, maintenance convenience the advantage that can not replace , so far, still apply extensively in each industrial department and the crusher of our country of production still sells world every place. According to not complete statistics, our country now produces various jaw type broken contract ten thousandses every year. 
The broken work of jaw type crusher of compound pendulum is carried out between two pieces of jaw board, in which a fix in frame on is called as surely jaw board, another piece pack in sport move jaw body on is called as to move jaw board, its surface is tooth shape normally. When moving jaw board periodicity land is near and is far away from surely jaw board , completion is broken to work with row material.
With letter pendulum jaw type crusher, on the jaw type crusher of compound pendulum enter the water parallel Cheng distribution than reasonable, and there is greater vertical route, the stock that is helpful for broken cavity moves , therefore its productivity is higher than letter pendulum jaw type crusher contract 30%. At the same time also because of exceptional vertical route, make it decide and move jaw board wear very rapid, have reduced service life greatly.
In the thesis,the design and calculate of parameter and structure of the break are introducing anddescribing,especially the physical pendulum jaw type mainly. Have four chaper in the thesis,Chapter one:The use and the opertation principle; Chapter two: Choice and calculation of the parameter;Chapter three:Calculation of the major part;Chapter four:Caculation and choice of the physical dimension of the major part.
 
Keywords: Crusher  Material  Ore  Rock  Periodicity  Overload protection
 

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