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混凝土搅拌车滑动轴承损坏的影响大吗？

所属分类：常见问题发布时间：2020-06-15 来源：http://www.sqjituan.cn/ 浏览量：0

混凝土搅拌车滑动轴承早期损坏比轴承烧毁要常见得多，因此预防滑动轴承早期损坏很重要。滑动轴承的正确维护是减少轴承早期损坏的有效途径，也是延长轴承寿命的可靠保证。因此，在发动机的日常维护和维修中，必须注意轴承的合金表面、背面、端头及边缘棱角处的外观形状，如有异常或出现过半磨损的征兆，就要认真查明原因，并采取相应的措施，改善轴承的工作条件，重视对滑动轴承早期损坏的预防.滑动轴承在气缸压力冲击载荷的反复作用下，表面层发生塑性变形和冷作硬化，局部丧失变形能力，逐步形成条纹并不断扩展，然后随着磨屑的脱落，在受载表面层形成凹穴。

The early damage of the sliding bearing of the concrete mixer is much more common than the burning of the bearing, so it is very important to prevent the early damage of the sliding bearing. The correct maintenance of sliding bearing is an effective way to reduce the early damage of bearing, and also a reliable guarantee to extend the life of bearing. Therefore, in the daily maintenance and repair of the engine, it is necessary to pay attention to the appearance and shape of the alloy surface, back face, end and edge corners of the bearing. If there is any sign of abnormal or half worn, it is necessary to find out the cause carefully, and take corresponding measures to improve the working conditions of the bearing, and pay attention to the prevention of the early damage of the sliding bearing. The pressure impact load of the sliding bearing in the cylinder Under the repeated action of, the surface layer plastic deformation and cold work hardening, local loss of deformation ability, gradually forming stripes and expanding, and then with the falling off of the wear debris, forming a cavity in the loaded surface layer.

一般轴瓦发生穴蚀时，是先出现凹坑，然后这种凹坑逐步扩大并引起合金层界面的开裂，裂纹沿着界面的平行方向扩展，直到剥落为止。滑动轴承穴蚀的主要原因是，由于油槽和油孔等结构要素的横断面突然改变引起油流强烈紊乱，在油流紊乱的真空区形成气泡，随后由于压力升高，气泡溃灭而产生穴蚀。

Generally, when the bearing bush is pitted, the pitting appears first, then the pitting gradually expands and causes the interface crack of the alloy layer. The crack propagates along the parallel direction of the interface until peeling off. The main reason for cavitation of journal bearing is that the sudden change of cross-section of structural elements such as oil groove and oil hole causes the strong disorder of oil flow, forming bubbles in the vacuum area where the oil flow is disordered, and then cavitation occurs due to the increase of pressure and the collapse of bubbles.
自动混凝土搅拌机

穴蚀一般发生在轴承的高载区，如曲轴主轴承的下轴瓦上。轴承走外圆轴承走外圆就是轴承在座孔内有相对转动。轴承走外圆后，不仅影响轴承的散热，容易使轴承内表面合金烧蚀，而且还会使轴承背面损伤，严重时烧毁轴承。其主要原因是，轴承过短、凸榫损伤、加工或者安装不符合规范等。

Cavitation usually occurs in the high load area of the bearing, such as the lower bearing bush of the crankshaft main bearing. Bearing goes out of round bearing goes out of round is that the bearing has relative rotation in the seat hole. After the bearing goes out of the outer circle, it not only affects the heat dissipation of the bearing, but also easily causes the alloy erosion on the inner surface of the bearing, and damages the back of the bearing, and burns the bearing seriously. The main reason is that the bearing is too short, tenon damage, processing or installation does not meet the specifications.

搅拌车,混凝土搅拌车,水泥搅拌车,搅拌车,水泥罐车任何质量等级的润滑油在使用过程中油质都会发生变化。到一定里程之后，性能恶化，会给发动机带来种种问题。为了避免故障的发生，应结合使用条件定期换油，并使油量适中。机油从滤清器的细孔通过时把油中的固体颗粒和粘稠物积存在滤清器中。如滤清器堵塞，机油不能通过滤芯时，会胀破滤芯或打开阀，从旁通阀通过，仍把脏物带回润滑部位，促使发动机磨损，内部的污染加剧。混凝土搅拌车底盘。汽车底盘是混凝土搅拌车组成中成本、使用中维护费用的部分。

The price of mixer truck, concrete mixer truck, cement mixer truck, mixer truck, and lubricating oil of any quality grade of cement tank truck will change in use. After a certain mileage, performance deterioration will bring various problems to the engine. In order to avoid the occurrence of faults, the oil should be changed regularly according to the service conditions, and the oil quantity should be moderate. When the oil passes through the fine hole of the filter, the solid particles and viscous substances in the oil accumulate in the filter. If the filter is blocked and the oil cannot pass through the filter element, the filter element will be burst or the safety valve will be opened. If the oil passes through the bypass valve, the dirt will still be brought back to the lubricating part, which will cause the engine to wear and the internal pollution will be intensified. Concrete mixer chassis. The automobile chassis is the part with the highest cost and maintenance cost in the composition of concrete mixer.

混凝土搅拌车的汽车底盘，主要看该底盘的发动机功率和扭矩、油耗、轮胎、车架、驾驶舒适性及排放标准等方面，所以选择正规厂家生产的混凝土搅拌车以保证车辆在使用过程中，故障率低，维修成本低，损耗费用低。

The automobile chassis of the concrete mixer mainly focuses on the engine power and torque, fuel consumption, tires, frame, driving comfort and emission standards. Therefore, the concrete mixer produced by the regular manufacturer is selected to ensure the low failure rate, low maintenance cost and low loss cost during the use of the vehicle.

刹车失灵很容易造成车祸的发生，当您在驾驶混凝土搅拌车的过程中如果刹车失灵时请不要慌忙应该根据路况和车速控制好方向，脱开高速挡，同时迅速轰一脚空油，将高速挡换入低速挡。这样，发动机会有很大的牵引阻力使车速迅速降低。另外，在换低速挡的同时，应结合使用手刹，但要注意手刹不能拉紧不放，也不能拉得太慢。如果拉得太紧，容易使制动盘“抱死”，很可能损坏传动机件而丧失制动能力；如果拉得太慢，会使制动盘磨损烧蚀而失去制动作用。

Brake failure is very easy to cause traffic accidents. When you drive a concrete mixer, if the brake fails, please do not panic. You should control the direction according to the road conditions and speed, disengage the high-speed gear, and at the same time, quickly blow an empty foot of oil to shift the high-speed gear into the low-speed gear. In this way, the engine will have great traction resistance to reduce the speed rapidly. In addition, when changing the low speed gear, the hand brake should be used in combination, but it should be noted that the hand brake cannot be tightened or pulled too slowly. If it is pulled too tight, it is easy to make the brake disc "lock up", which is likely to damage the transmission parts and lose the braking ability; if it is pulled too slowly, it will make the brake disc wear and burn and lose the braking effect.

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