Crawling ladder

The utility model discloses a crawling ladder which comprises a vertical ladder, a protective cage and a side hung door, and the protective cage and the vertical ladder are installed. The vertical hinged door is horizontally arranged at the bottom of the protection cage, the vertical hinged door and the protection cage or the vertical ladder are installed, and the vertical hinged door moves along the bottom of the protection cage when opened. The vertical hinged door which can be horizontally opened and closed is arranged on the crawling ladder, the occupied space is small when the vertical hinged door is opened and closed, and workers do not need to avoid during climbing. The climbing device can be widely applied to the technical field of climbing operation facilities. 本实用新型公开了一种爬梯，爬梯包括直梯、防护笼和平开门，防护笼与直梯安装；平开门平放设置在防护笼的底部，平开门与防护笼或直梯安装，平开门打开时沿防护笼的底部移动。爬梯上设置可平移开合的平开门，开合时占用空间小，工人攀爬时无需避让。本实用新型可广泛应用于攀爬作业设施技术领域。