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恰索夫——雅尔斯基露天矿从1959年起至1964年止,先后使用过三台P—500型斗轮式挖掘机。其工作的地质条件均为普氏硬度f=1～3的红棕色粘上。在使用过程中,由于行走机构和斗轮损坏,使挖掘机停产时间很长。因此,于1962年对斗轮、接受和转载运输机的装载处和履带行走机构做了相当大的改进;并且把斗轮内的带式给料机换成了筒式给料机。从而使挖掘机的每班生产率达到了2579米~3(最大时为4000米~3)。下面介绍一下P—500型斗轮式挖掘机各主要结构中的部件和机构的改进情况。
Qisoff - Yalsky Open Pit from 1959 to 1964, has used three P-500 bucket wheel excavators. The geological conditions of its work are red-brown adhesives with Platts hardness f=1 to 3. During use, due to the damage of the walking mechanism and the bucket wheel, the production time of the excavator is very long. Therefore, in 1962 considerable improvements were made to the bucket wheel, the loading and retrieving conveyors, and the track running mechanism; and the belt feeder in the bucket wheel was replaced by a barrel feeder. As a result, the excavator’s productivity per class has reached 2579m~3 (4000m~3 at maximum). The following describes the improvement of the components and mechanisms in each major structure of the P-500 bucket wheel excavator.