Straight-shape and Y-shape change staircase

一字人字转换楼梯

Abstract

一种一字人字转换楼梯,包括固定梯、升降梯、定位装置,所述升降梯与所述固定梯滑动连接,所述升降梯相对于所述固定梯滑动,所述固定梯的顶端和所述升降梯的底端设有转动固定装置构成转动连接,所述转动固定装置包括插销或螺钉、带通孔的固定板,所述固定梯顶端和所述升降梯底端上固装有所述带通孔的固定板,所述固定梯和所述升降梯上设有与所述带通孔的固定板上通孔相对应的插销孔,本实用新型具有结构简单、能在一字梯和人字梯之间自由转换等优点,适用于工业生产。
The utility model relates to a straight-shape and Y-shape change staircase, comprising: a fixing ladder, a lifting ladder and a positioning device. The lifting ladder is connected with the fixing ladder in slide way, the lifting ladder slides with respect to the fixing ladder, rotation fixing devices are arranged at the top end of the fixing ladder and the bottom end of the lifting ladder to form a rotational connection, each rotation fixing device comprises a plug pin or bolt and a fixing plate with through holes, fixing plates with through holes are fixedly arranged at the top end of the fixing ladder and the bottom end of the lifting ladder, and plug pin holes corresponding to the through holes on the fixing plates with through holes are arranged on the fixing ladder and the lifting ladder. The utility model has the advantages that the structure is simple and the free change between the straight ladder and the Y-shaped ladder is achieved. The utility model is suitable for industrial production.

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    CN-103696677-AApril 02, 2014赵百华一种多用梯子