Protective device of excavator hydraulic oil cylinder and excavator: Fid-Bau Portal

Protective device of excavator hydraulic oil cylinder and excavator

CHENG XUDONG / JIANG YUXUAN / JIANG XINDONG / ZHANG YANLING

The invention provides a protective device of an excavator hydraulic oil cylinder and an excavator. The protective device of the excavator hydraulic oil cylinder comprises a plurality of protective plate assemblies, each protective plate assembly comprises a first protective plate assembly and a second protective plate assembly, wherein each first protective plate assembly is parallel to a hydraulic rod of the hydraulic oil cylinder, and the first end of each first protective plate assembly can be connected with the top end of the hydraulic rod so that the first protective plate assembly and the hydraulic rod can move synchronously; each second protective plate assembly is parallel to a cylinder body of the hydraulic oil cylinder, the second end of each first protective plate assembly is telescopically arranged in the corresponding second protective plate assembly, and the bottom end of each second protective plate assembly can be connected with the bottom end of the cylinder body. According to the protective device of the excavator hydraulic oil cylinder, in the operation process of the excavator, the first protective plate assemblies and the second protective plate assemblies can protect the hydraulic rod and the cylinder body all the time, and the hydraulic rod and the cylinder body are prevented from being damaged by stones.

本发明提供一种挖掘机液压油缸的防护装置及一种挖掘机。本发明提供的挖掘机液压油缸的防护装置包括多组防护板组件，每组防护板组件包括：第一防护板组件和第二防护板组件，其中，每个第一防护板组件与液压油缸的液压杆平行设置，且每个第一防护板组件的第一端能够与液压杆的顶端连接，以使第一防护板组件与液压杆同步运动；每个第二防护板组件与液压油缸的缸体平行设置，每个第一防护板组件的第二端可伸缩地设置在第二防护板组件内，且第二防护板组件的底端能够与缸体的底端连接。本发明提供的挖掘机液压油缸的防护装置，使挖掘机在作业过程中，第一防护板组件和第二防护板组件始终能够对液压杆和缸体形成保护，防止石块对液压杆和缸体造成损坏。

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