Segmental splicing type crawling ladder for elevator pit: Fid-Bau Portal

Segmental splicing type crawling ladder for elevator pit

HUANG LICHUN / ZHAO HONG

The invention discloses a segmental splicing type crawling ladder for an elevator pit. The segmental splicing type crawling ladder consists of upright posts which are arranged on the two sides of the crawling ladder and pedal bars which are arranged between the two upright posts and are fixedly connected with the upright posts; in addition, the crawling ladder comprises an upper crawling ladder segmental body, a lower crawling ladder segmental body and a fastening device; the end part of the upper crawling ladder segmental body is fixedly connected with the end part of lower crawling ladder segmental body through the fastening device; at least one upright post fixing hole which is fixed together with the fastening device in a matching mode is formed in a joint of the upper crawling ladder segmental body and the lower crawling ladder segmental body. By adopting the segmental mounting structure, the crawling ladder has a relatively simple structure; moreover, the adaptability of the crawling ladder to different types of elevator pits can be maintained; in addition, the size and the weight are reduced on the whole, so that the packaging and transportation expenses are reduced and the installation labor force is also reduced.

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