The invention discloses a retractable vertical ladder used in a narrow channel, which comprises a vertical ladder side plate, a square steel step, a vertical ladder support plate, a vertical ladder lower fixing plate, a vertical ladder upper fixing plate, an eye plate and a cotter pin, the vertical ladder side plate and the square steel step are fixed together to form a vertical ladder body; the vertical ladder upper fixing plate is fixed to the upper end of the vertical ladder body through the vertical ladder supporting plate, the vertical ladder lower fixing plate is fixed to the lower end of the vertical ladder body through the vertical ladder supporting plate, the eye plate is fixed to the vertical ladder upper fixing plate, and the cotter pin is fixed to the eye plate after being connected through the steel wire rope. The retractable vertical ladder used in the narrow channel is simple in structural style and convenient and fast to operate, not only meets the passing of normal personnel, but also solves the problems that a fixed vertical ladder occupies the space of the channel, obstructs the passing and does not meet the standard requirements.
本发明公开了一种用于狭小通道中使用的可收放式直梯,包括直梯侧板、方钢踏步、直梯支撑板、直梯下固定板、直梯上固定板、眼板和开口销,所述直梯侧板和方钢踏步固定在一起构成直梯本体,所述直梯上固定板通过直梯支撑板固定在直梯本体上端,所述直梯下固定板通过直梯支撑板固定在直梯本体下端,所述眼板固定在直梯上固定板上,所述开口销通过钢丝绳连接后固定在眼板上。本发明用于狭小通道中使用的可收放式直梯,结构型式简单,可方便快捷操作,即满足正常人员通行,又解决了固定直梯占用通道空间,妨碍通行,不满足规范要求的难题。
Retractable straight ladder used in narrow channel
用于狭小通道中使用的可收放式直梯
2023-01-06
Patent
Electronic Resource
Chinese
IPC: | B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS |