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型混凝土搅拌车压力不足现象怎么解决?

所属分类:自动混凝土搅拌车价格 发布时间:2020-09-24 来源:http://www.sqjituan.cn/ 浏览量:18

一、查看搅拌车液压泵是否能输出液压油。如果是新的液压泵,无液压油输出,可能是泵体有铸造缺陷(缩孔、砂眼等),使吸油腔和压油腔相通,失去压油能力,应及时找厂家更换。若不是新的液压泵,无液压油输出,则可能是泵的转向不对,零件磨损严重或损坏,及时更换。
1、 Check whether the hydraulic pump of the mixer can output hydraulic oil. If it is a new hydraulic pump without hydraulic oil output, it may be that the pump body has casting defects (shrinkage cavity, sand hole, etc.), so that the oil suction chamber and the pressure oil chamber are connected, and the oil pressure capacity is lost, it should be replaced by the manufacturer in time. If it is not a new hydraulic pump and there is no hydraulic oil output, it may be that the steering direction of the pump is not correct and the parts are seriously worn or damaged. Replace them in time.
二、若混凝土搅拌车液压泵有油液输出,查看溢流阀工作是否正常。若不正常,则可能是压力油路中的某个阀有污物或其他原因卡住,处于回油位置,致使压力油路与溢流回路短路,也可能是管接头松脱,或处于压力油路中的某些阀泄漏严重,或液压缸、液压马达的密封损坏,严重泄漏。排除方法是拆开有关阀进行清洗,检查密封间隙的大小及各种密封装置,密封装置损坏应更换。
2、 If the hydraulic pump of concrete mixer has oil output, check whether the relief valve works normally. If it is abnormal, it may be that a valve in the pressure oil circuit is stuck due to dirt or other reasons, and it is in the oil return position, resulting in a short circuit between the pressure oil circuit and the overflow circuit, or the loose pipe joint, or serious leakage of some valves in the pressure oil circuit, or the seal damage of the hydraulic cylinder and hydraulic horse. The elimination method is to remove the relevant valve for cleaning, check the size of sealing clearance and various sealing devices, and replace the sealing device if it is damaged.
三、若水泥搅拌车的液压泵输出流量随压力升高而显着减小,且压力达不到规定值,则是由于液压泵磨损后间隙增大所致。排除方法是测定液压泵的容积效率,即可确定该泵是否能继续使用,对磨损严重的零件,应进行修配或更换。
3、 If the output flow of the hydraulic pump of the cement mixer truck decreases significantly with the increase of the pressure, and the pressure can not reach the specified value, it is due to the increase of the clearance after the hydraulic pump is worn. The elimination method is to measure the volumetric efficiency of the hydraulic pump, so as to determine whether the pump can continue to be used. The parts with serious wear should be repaired or replaced.
自动混凝土搅拌车
四、小型混凝土搅拌车的液压系统能建立正常压力,而某些管路或液压缸(或液压马达)中无压力,则可能是由于管路、小孔或节流阀、换向阀等部位堵塞。此时应逐段检查压力和有无油液通过,找出原因,加以排除。
4、 The hydraulic system of small concrete mixer can establish normal pressure, but there is no pressure in some pipelines or hydraulic cylinders (or hydraulic motors), which may be due to blockage of pipelines, orifices, throttle valves and directional valves. At this time, check the pressure and whether there is oil passing through section by section, find out the reason and eliminate it.
年来,国家道路工程建设日益完善,全国各个省市修路工程也日渐繁多,坑洼的道路情况对平板车的底盘也是一个很大的考验。正所谓“车烂先烂底”,小型混凝土搅拌车的底盘的保护可是非常重要的。不少车主新购平板车后,只顾着为爱车贴膜、封釉、铺地胶等,却很少人会考虑到为小型混凝土搅拌车的底盘采取一些保护措施。
In recent years, the construction of national road engineering has been improved day by day, and the road construction projects in various provinces and cities in China are also increasing. The pothole road condition is also a great test for the chassis of flat cars. As the so-called "car rotten first rotten bottom", small concrete mixer chassis protection is very important. After many car owners buy flat cars, they only care about pasting film, sealing glaze, paving glue, etc., but few people will consider taking some protective measures for the chassis of small concrete mixer truck.
对于搅拌车等工程车来说,底盘能确保车辆和车主的安全。许多懂车的朋友在二手车市场上挑选二手车辆时,就是通过判断车辆的底盘成色好坏,来直观的判断该车成色的标准。一般新车出厂时都会喷涂防锈底漆,但一段时间后还是会慢慢氧化。一旦底盘零部件生锈腐蚀,就会导致整车的架构松动,带来安全隐患,而很多交通事故都由底盘松动所导致。
For the mixer and other engineering vehicles, chassis can ensure the safety of vehicles and owners. Many friends who know how to choose a second-hand car in the second-hand car market is to judge the quality of the vehicle's chassis to intuitively judge the standard of the car's quality. Generally, new cars will be sprayed with anti rust primer when they leave the factory, but they will slowly oxidize after a period of time. Once the chassis parts are rusted and corroded, the structure of the whole vehicle will be loose, which will bring safety risks. Many traffic accidents are caused by the chassis looseness.
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