The loading and unloading device has the advantages of simple structure, low cost, convenient operation, and safe and reliable operating state.

本实用新型的承卸载装置，结构简单，成本低，操作方便， 工作状态安全可靠。

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The frozen powerful permanent magnetic chuck is an efficient multifunctional loading and unloading device, featuring with power saving and easy operation.

冷冻强力永磁吸盘是一种装卸简便、节能、多功能的高效能夹具。

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The required movements of the automatic loading-unloading device on the catenary, and the mechanism for performing these movements are analyzed in the paper.

分析了悬链线上自动装卸设备所产生的运动以及实现这些运动所需的机构。

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