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哪些地方是维护所了解的事项?

发布时间:2020-07-30 18:12:01   发布人:
气动增压泵要保持足够数量的液压油。液压油的清洁度越高,液压泵的使用寿命越长。采用补油泵供油的柱塞泵,使用3000h后,操作人员每日需对柱塞泵检查1-2次,检查泵运转声响是否正常。如发现液压缸速度下降或闷车时,就应该对补油泵解体检查,检查叶轮边沿是否有刮伤现象,内齿轮泵间隙是否过大。对于自吸油型柱塞泵,液压油箱内的油液不得低于油标下限,HASKEL气动增压泵要保持足够数量的液压油。液压油的清洁度越高,液压泵的使用寿命越长。
The pneumatic booster pump should keep enough hydraulic oil. The higher the cleanliness of the hydraulic oil, the longer the service life of the hydraulic pump. For the plunger pump supplied by make-up oil pump, the operator should check the plunger pump 1-2 times a day after it is used for 3000h to check whether the pump operates normally. If it is found that the speed of the hydraulic cylinder drops or the car is blocked, the make-up oil pump should be disassembled and checked to see if there is scratch on the edge of the impeller and whether the clearance of the internal gear pump is too large. For the self-priming plunger pump, the oil in the hydraulic oil tank shall not be lower than the lower limit of the oil standard, and the Haskel pneumatic booster pump shall keep enough hydraulic oil. The higher the cleanliness of the hydraulic oil, the longer the service life of the hydraulic pump.
柱塞泵更重要的部件是轴承,如果轴承出现游隙,则不能保证液压泵内部三对磨擦副的正常间隙,同时也会破坏各磨擦副的静液压支承油膜厚度,降低柱塞泵轴承的使用寿命。据液压泵制造厂提供的资料,轴承的平均使用寿命为10000h,超过此值就需要更换新口。拆卸下来的轴承,没有检测仪器是无法检测出轴承的游隙的,只能采用目测,如发现滚柱表面有划痕或变色,就必须更换。
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The most important part of plunger pump is bearing. If the bearing clearance occurs, the normal clearance of three pairs of friction pairs in the hydraulic pump can not be guaranteed. At the same time, the thickness of hydrostatic support oil film of each friction pair will be damaged, and the service life of piston pump bearing will be reduced. According to the information provided by the hydraulic pump manufacturer, the average service life of the bearing is 10000h. If it exceeds this value, it needs to be replaced with a new one. The bearing clearance can not be detected without professional testing instruments. Only visual inspection can be used. If there is scratch or discoloration on the roller surface, it must be replaced.
在更换轴承时,应注意原轴承的英文字母和型号,柱塞泵轴承大都采用大载荷容量轴承,更好购买原厂家,原规格的产品,如果更换另一种品牌,应请教对轴承有经验的人员查表对换,目的是保持轴承的精度等级和载荷容量。
In the replacement of bearings, attention should be paid to the English letters and models of the original bearings. Most of the bearings in plunger pumps are of large load capacity. It is better to purchase the products of the original manufacturers and specifications. If another brand is replaced, the experienced personnel should be consulted to check the table for replacement, so as to maintain the accuracy grade and load capacity of bearings.
HASKEL气动增压泵使用寿命的长短,与平时的维护保养,液压油的数量和质量,油液清洁度等有关。避免油液中的颗粒对柱塞泵磨擦副造成磨损等,也是延长柱塞泵寿命的有效途径。在维修中更换零件应尽量使用原厂生产的零件,这些零件有时比其它仿造的零件价格要贵,但质量及稳定性要好,如果购买售价便宜的仿造零件,短期内似乎是节省了费用,但由此出带来了隐患,也可能对柱塞泵的使用造成更大的危害。
The service life of Haskel pneumatic booster pump is related to the usual maintenance, the quantity and quality of hydraulic oil and the cleanliness of oil. It is also an effective way to prolong the service life of the piston pump to avoid the wear caused by the particles in the oil. When replacing parts in maintenance, we should try our best to use the parts produced by the original factory. These parts are sometimes more expensive than other imitation parts, but the quality and stability are better. If we buy the imitation parts with low price, it seems to save the cost in a short time, but it brings hidden dangers and may cause greater harm to the use of plunger pump.
配流盘有平面配流和球面配流两种形式。球面配流的磨擦副,在缸体配流面划痕比较浅时,通过研磨手段修复;缸体配流面沟槽较深时,应先采用"表面工程技术"手段填平沟槽后,再进行研磨,不可盲目研磨以防铜层变薄或漏油出钢基。
The port plate has two forms: plane distribution and spherical distribution. When the scratch on the valve plate surface of the cylinder block is shallow, the friction pair of the spherical valve port shall be repaired by grinding; when the groove on the valve plate surface of the cylinder block is deep, the groove shall be filled with surface engineering technology, and then the grinding shall be carried out. Blind grinding is not allowed to prevent the copper layer from thinning or oil leakage and tapping the steel base.
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