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AV-3、GPP1及同类型双联、三联齿轮泵,是日本8～50t起重机的液压动力源,在油田生产中得到广泛应用。由于这种泵价格较高,每台达数万元且难以购买,因此当其损坏时有必要进行修复。经过对大量旧泵的检查和试验,我们总结出了泵损坏的主要原因,并进行了修复,取得了比较满意的结果。现简介如下。 一、泵的损坏情况 经过对泵解体测量,发现有以下损坏情况:①第一联泵壳高压油口出现裂缝。②泵壳体在吸油腔内壁出现严重扫膛现象,其中第一联泵壳的磨损深度最多可达0.50mm。③活动侧板磨损严重,一般磨损量为0～
AV-3, GPP1 and the same type of double, triple gear pump, Japan 8 ~ 50t crane hydraulic power source, widely used in the oil field production. Due to the high price of such pumps, which cost tens of thousands of dollars each and are difficult to purchase, repair is necessary when damaged. After a large number of inspection and testing of the old pump, we summed up the main reason for the pump damage, and carried out the repair, and achieved satisfactory results. Now the introduction is as follows. First, the pump damage After the pump disintegration measurement, found the following damage: ① first joint high pressure oil casing cracks. ② pump shell wall in the suction chamber serious swept broom phenomenon, in which the first joint pump wear depth of up to 0.50mm. ③ serious side wear activities, the general wear and tear is 0 ~