常见的“人”字梯,在顶端作业时,由于没有扶手,所以,用起来不太方便,也不安全。现介绍一种带扶手的“人”字梯(附图)它的特点是安全、稳当,梯上作业可以扶靠,能使操作者在梯上安全舒适地进行作业。这种带扶手的人字梯,结构简单,制造容易,前主梯架和后支架由折合轴连接,应用时,将活动脚踏板打开,搭挂在后支架的横轴上即可应用。活动踏板的作用,一是使作业者便于站立,二是使主梯和支架相对固定,用后可以 Common “human” word ladder, at the top of the operation, because there is no armrest, so it is not easy to use, nor safe. Now introduced a “human” word escalator with armrest (photo) It is characterized by safe, stable operation of the ladder can be leaning on, allowing the operator to operate safely and comfortably on the ladder. The ladder with the handrail is simple in structure and easy to manufacture. The front main ladder and the rear bracket are connected by the foldable shaft. When the utility model is used, the movable pedal is opened and can be hung on the horizontal axis of the rear bracket. The role of activity pedals, one is to enable operators to stand, the second is to make the main ladder and the relative fixed bracket, can be used after