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移动破碎机的结构和问题
网址:http://www.    发布时间:2018-10-12
用途
purpose
移动式破碎机,简称冲击破,由动鄂和静颚两块颚板组成破碎腔,模拟动物的两颚运动而完成物料破碎作业的制砂机。移动式破碎机按照进料口宽度大小来分为大、中、小型三种,进料口宽度大于600mm的为大型机器,进料口宽度在300-600mm的为中型机,进料口宽度小于300mm的为小型机。
Movable crusher, abbreviated as impact crusher, consists of two jaw plates, moving jaw and static jaw, which simulate the movement of animal's jaws and complete the material crushing operation. The mobile crusher is divided into three types according to the width of the inlet: large, medium and small. The machine with the width of the inlet greater than 600 mm is large, the machine with the width of 300-600 mm is medium, and the machine with the width of the inlet less than 300 mm is small.
结构
structure
冲击破的结构主要有机架、偏心轴、大皮带轮、飞轮、动颚、侧护板、肘板、肘板后座、调隙螺杆、复位弹簧、固定颚板与活动颚板等组成,其中肘板还起到保险作用。
The impact breaking structure mainly consists of frame, eccentric shaft, large pulley, flywheel, movable jaw, side guard plate, elbow plate, back seat of elbow plate, adjustable gap screw, reset spring, fixed jaw plate and movable jaw plate, etc. The elbow plate also plays an insurance role.
采用高强度锰钢,一次成型铸造,具有耐磨、抗压、寿命长等优点。主要适用破碎大、中、小型石块和相应的物体。
The use of high strength manganese steel, one-time casting, has the advantages of wear resistance, compression, long life and so on. It is mainly used for crushing large, medium and small stones and corresponding objects.
移动式破碎机的问题
The problem of mobile crusher
低温造成的润滑脂粘黏力大:
The viscosity of the grease caused by low temperature is large.
使用锂基润滑脂进行润滑,锂基润滑脂粘度较大,润滑效果好,但在低温条件下会造成颚轴因粘黏力较大而产生启动困难现象,破碎机启动后工作一段时间,由于内部摩擦等因素,润滑脂温度升高,黏度度降低,因此破碎机可以正常工作;
移动碎石机租赁
Using lithium grease for lubrication, the viscosity of lithium grease is bigger, the lubrication effect is better, but at low temperature, it will cause the jaw shaft start-up difficult phenomenon because of the greater viscous force. The crusher works for a period of time after start-up, because of internal friction and other factors, the temperature of the grease increases, the viscosity decreases, so the crusher can be. To work normally;
三角胶带因拉力变长而松动:
Triangular tape loosened due to tensile force.
破碎机由于长时间运转,加上橡胶制三角胶带特性,导致其在转动过程中因拉力的作用下而产生周长变长,而维修人员没有及时对胶带松紧度进行调整,导致三角胶带过松产生打滑现象,从而造成启动困难;
Because of the long running time of the crusher and the characteristics of the rubber triangular belt, the circumference of the crusher becomes longer because of the pulling force. The maintenance personnel did not adjust the elasticity of the belt in time, resulting in the over-loosening of the triangular belt and slipping phenomenon, which caused the start-up difficulty.
粉尘使润滑脂性能变质:由于动颚体两侧轴承压盖过度磨损,导致防尘圈外漏。同时破碎机工作过程中产生大量的粉尘。部分粉尘沿防尘圈进入轴承室,参杂到润滑脂中,导致润滑脂润滑性能严重下降、变质,从而失去应有的润滑性能,并进一步加剧了滚柱轴承的异常磨损,造成滚动阻力增加。
Dust deteriorates grease performance: excessive wear of bearing caps on both sides of the moving jaw body causes leakage of the dust ring. At the same time, a large amount of dust is produced during the working process of the crusher. Some dust enters the bearing chamber along the dust-proof ring and mixes into the grease, which leads to the grease's lubrication performance seriously declining and deteriorating, thus losing its proper lubrication performance, and further aggravates the abnormal wear of roller bearings, resulting in increased rolling resistance.
如何减少移动式破碎机的问题?
How to reduce the problem of mobile crusher?
操作工和维修人员应加强破碎期巡查力度,发现异常情况要及时反映和处理,避免事故扩大化;
Operators and maintenance personnel should strengthen the crushing period inspection, find abnormal situations should be promptly reflected and dealt with to avoid the expansion of the accident;
使用单位应切实加强破碎机监督检查管理,强化日常维护与保养工作,确保破碎机处于完好的技术状态;
Users should earnestly strengthen supervision, inspection and management of crushers, strengthen daily maintenance and maintenance work to ensure that the crushers are in good technical condition.
进料口上方制作一个可控进料漏斗,使破碎机进料均匀,并避免过量现象;
A controllable feed hopper is made above the feed port to make the crusher feed evenly and avoid overdose.
选择合适载度的润滑脂进行润滑;适时调整三角胶带松紧度;
Lubricate grease with suitable load; adjust the tightness of the triangle belt at the right time.
破碎工作完毕停机前,应使破碎机空转一段时间,以便破碎腔内的物料彻底排除干净。
The crusher should be idled for a period of time before the crushing work is finished, so that the materials in the crushing chamber can be completely removed.
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