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郑工产的ZL50装载机,其前、后机架的连接采用销子、轴承铰接结构。上铰接销主要起前、后机架的连接作用,采用简单的销子、关节轴承配合,轴向浮动定位;实践中,其损坏频率较低,大多数情况下,无须对其进行维修。下铰接结构则较复杂,前、后机架通过它进行轴向定位;为关节轴承、锥形套、螺母压紧式,通过螺母对前、后机架的配合间隙进行调整,其结构如图1所示。
Zheng production ZL50 loader, before and after the rack connection pin, bearing hinge structure. On the hinge pin mainly from the front and rear rack connection role, the use of simple pins, joint bearings, axial floating positioning; practice, the lower the frequency of damage, in most cases, no need to repair it. Under the hinge structure is more complex, before and after the rack through its axial positioning; for the joint bearings, tapered sleeve, nut compression type, through the nut on the front and rear frame with the adjustment of the gap, the structure shown in Figure 1 shown.