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反击式破碎机中的板锤有几种固定方式?
网址:http://www.dhfjx.cn    发布时间:2021-06-29
反击式破碎机可以用来破碎矿石等物料,是一种碎石设备,同时具有破碎效果好、结构简单等特点,被广大客户所认可。那么,设备中的板锤有哪几种固定方式?小编为您简单介绍:
Impact crusher can be used to crush ore and other materials. It is a kind of crushing equipment with good crushing effect and simple structure, which is recognized by the majority of customers. Then, what are the fixing methods of the plate hammer in the equipment? Here is a brief introduction:
1,楔块固定
1. Wedge fixed
采用楔块将板锤固定在转子上的方式,工作中在离心力的作用下,这种固定方式能保证转子速度越快,板锤固定越牢,而且工作可靠,拆换比较方便。这是板锤目前较好的一种固定方式,各国都在采用这种固定方式。楔块采用铸钢材质,有一定的韧性及塑性,强度和硬度较高,切削性良好。
Wedge block is used to fix the plate hammer on the rotor. Under the action of centrifugal force, this fixing method can ensure that the faster the rotor speed is, the more firmly the plate hammer is fixed, and the work is reliable, and the removal and replacement is more convenient. This is a better way to fix the plate hammer, which is adopted in many countries. The wedge is made of cast steel, with certain toughness and plasticity, high strength and hardness, and good machinability.
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2,螺栓固定
2. Bolt fixation
板锤从转子侧面轴向插入转子的相应槽孔内,为了防止轴向窜动,两端采用压板定位。由于去掉了紧固螺栓,提高了板锤工作的可靠性。利用板锤回转时产生的离心惯性力与撞击破碎时的反力紧固自锁,而对转子易受磨损处制成可更换的结构形式,因此装卸简便,制作容易。但是,螺栓露在打击表面,容易损坏,而且螺栓受到较大的剪力,一旦剪断将造成严重事故。
The plate hammer is axially inserted into the corresponding slot of the rotor from the side of the rotor. In order to prevent the axial movement, the two ends are positioned by pressing plates. As the fastening bolt is removed, the working reliability of the plate hammer is improved. The centrifugal inertia force produced when the plate hammer rotates and the reaction force produced when the impact is broken are used for fastening and self-locking, and the easily worn parts of the rotor are made into a replaceable structural form, so the loading and unloading are simple and the production is easy. However, the bolt exposed on the strike surface is easy to be damaged, and the bolt is subject to large shear force, once it is cut, it will cause serious accidents.
3,压板固定
3. Press plate fixation
反击式破碎机的板锤从侧面插入转子的沟槽中,两端采用压板压紧,但这种固定方式使板锤不够牢固,工作中板锤容易松动,这是因为板锤制造加工要求很高,且高锰钢等合金材料不易加工。
The plate hammer of the impact crusher is inserted into the groove of the rotor from the side, and the two ends are pressed by pressing plates. However, this fixing method makes the plate hammer not firm enough, and the plate hammer is easy to loosen in the work. This is because the manufacturing and processing requirements of the plate hammer are very high, and the alloy materials such as high manganese steel are not easy to process.
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