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圆锥破碎机频繁过铁有什么危害?
网址:http://www.dhfjx.cn    发布时间:2019-04-30
圆锥破碎机因其有着破碎比大、效率高、能耗低等优点,普遍应用于矿山、冶炼、建材、公路、铁路、水利等众多部门。圆锥破碎机主要用于破碎各种硬度较高的物料,合适中、细碎作业。近有用户给济南挪动式圆锥碎石机租赁小编留言说运用的圆锥破碎机近经常由于过铁,发作下架体、主轴、偏心铜套等关键备件不同水平的损伤,给生产带来了很大的艰难,而且还增加了检修工人的劳动强度。今天小编就和大家一同来看看圆锥破碎机过铁的缘由、危害以及如何预防。
Cone crusher is widely used in mining, smelting, building materials, highways, railways, water conservancy and many other departments because of its high crushing ratio, high efficiency and low energy consumption. Cone crusher is mainly used for crushing materials with high hardness, suitable for medium and fine crushing operation. Recently, some users have left a message to Jinan mobile cone crusher leasing small edition saying that the cone crusher used recently often suffered from different levels of damage to the key spare parts such as lower shelf, spindle and eccentric copper sleeve due to iron overload, which brought great difficulties to consumption and increased the labor intensity of maintenance workers. Today Xiaobian and everyone together to see the reason for cone crusher iron, harm and how to prevent.
由于铁件大小的不同,破碎机各项参数随之变化,参数异常时将会对破碎机本体的不同部位等单薄环节形成损伤,过铁对圆锥破碎机的危害主要有以下几个方面:
Because of the different size of iron parts, the parameters of crusher change accordingly. When the parameters are abnormal, it will cause damage to the different parts of crusher body and other thin links. The harm of iron passing to cone crusher mainly includes the following aspects:
当破碎机进铁时,铁件较硬,无法破碎,卡在动、定锥衬板之间,在试图破碎的霎时压力瞬时升高,功率也随之变大,油温升高;破碎机检测到有铁件进入破碎机内部。之后破碎机将会降低压力,降低主轴,增大排矿口,停止排铁,避免破碎机的损伤水平扩展。但在此过程中对破碎机的损伤十分大。
When the crusher enters the iron, the iron is hard and can not be broken. It is stuck between the moving and fixed cone lining plates. The instantaneous pressure increases when the crusher tries to break, the power increases, and the oil temperature rises. The crusher detects that some iron pieces enter the crusher. After that, the crusher will reduce the pressure, reduce the spindle, increase the discharging port, stop discharging iron, and avoid the horizontal expansion of the crusher damage. But in this process, the damage to the crusher is very serious.
形成各类衬套的损伤
Damage of various bushings
当破碎腔内进入铁件时,托起主轴的液压油油压瞬时升高之后降低,主轴在降落同时发作倾斜,招致止推轴承高温烧伤。并且主轴倾斜时,毁坏主轴与偏心铜套间的油膜,形成烧伤,检查回油滤网金属屑的状况,严重时以至形成偏心衬套、下机架衬套等备件的变形失效,形成破碎机停机崩溃检修。
When the crushing chamber enters the iron parts, the hydraulic oil pressure of the lifting spindle increases instantaneously and then decreases, and the spindle inclines at the same time of landing, which causes high temperature burns of thrust bearing. When the spindle tilts, it destroys the oil film between the spindle and the eccentric copper sleeve, forms burns, inspects the condition of the metal chip of the oil return filter screen, and even forms the deformation failure of the spare parts such as the eccentric bush and the off-frame bush, which results in the breakdown of the crusher.
济南移动式圆锥碎石机租赁
形成易损件的过度磨损
Overwear of fragile parts
当破碎腔内进入铁件时,假如铁件尺寸大于破碎机排矿口,会卡在动、定锥衬板之间,进入的铁件使得动锥衬板与定锥衬板构成刚性碰撞,招致衬板松动或者开裂,形成动、定锥衬板以及臂架衬套等易损件的过度磨损,严重影响易损件的正常运用周期,同时由于在主轴降落过程中撕裂臂架油封,形成光滑油脂的渗漏。
When the crushing chamber enters the iron part, if the size of the iron part is larger than the ore discharge port of the crusher, it will be stuck between the moving and fixed cone lining plates. The incoming iron parts make the moving cone lining plate and the fixed cone lining plate form rigid collision, causing the lining plate to loose or crack, forming excessive wear and tear of the moving and fixed cone lining plates and the boom lining, which seriously affects the normal operation period of the vulnerable parts. During the landing of the spindle, the oil seal of the boom is torn to form a smooth oil leakage.
形成平安联轴抱死
Form a safe coupling to lock up
平安联轴器包含一个液压扭矩设定系统。经过调理液压压力释放扭矩,能够设定需求的限位。当超越预先设定扭矩时,平安联轴器松开,剪切管的顶部被剪切环剪断,释放联轴器内的油压,联轴器能够在轴上自在转动。由于设计的缘由,平安联轴器有一个有限的才能来吸收其他类型的载荷。例如屈从扭矩和径向扭矩,由于这个缘由,平安联轴器不能吸收调理缺陷。当破碎机腔内忽然呈现硬物(特别是大型铁件)时,联轴器接受的扭矩就会超越它的极限,形成联轴器抱死。
Safety coupling includes a hydraulic torque setting system. After adjusting the hydraulic pressure to release the torque, the demand limit can be set. When the preset torque is exceeded, the safety coupling is released, the top of the shear pipe is cut off by the shear ring, and the oil pressure in the coupling is released. The coupling can rotate freely on the shaft. For design reasons, safety coupling has a limited ability to absorb other types of loads. For example, bending torque and radial torque, because of this reason, safety coupling can not absorb conditioning defects. When the crusher chamber suddenly presents a hard object (especially large iron), the torque received by the coupling will exceed its limit, forming the coupling locking.
长时间频繁过铁形成主轴断裂、架体开裂
Fracture of the spindle and crack of the frame caused by frequent iron overloading for a long time
当破碎腔内进入铁件时,由于冲击形成受力不平均和液压油压力变化都作用在下架体和主轴上,且由于频繁过铁招致架体、主轴疲倦,终使下架体回油槽处呈现裂纹,需返厂修复,屡次修复招致失效报废,形成主轴断裂报废。
When the crushing chamber enters the iron parts, the uneven force caused by impact and the change of hydraulic oil pressure all act on the lower frame and the main shaft, and the frequent iron crossing leads to fatigue of the frame and the main shaft, which eventually causes cracks at the oil return tank of the lower frame, which need to be repaired back to the factory. Repeated repairs lead to failure and scrap, resulting in the main shaft fracture and scrap.
以上就是小编总结的一些关于圆锥破碎机频繁过铁的知识,希望对大家有所帮助,也欢迎大家收藏。如果大家还有不懂的地方,欢迎咨询济南移动式圆锥碎石机租赁的官网客服人员进行咨询:http://www.dhfjx.cn
Above is the summary of some knowledge about cone crusher frequent iron, I hope to help you, but also welcome you to collect. If you don't know anything about it, please consult the official website customer service staff of Jinan Mobile Cone Crusher Lease for consultation: http://www.dhfjx.cn
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