Bridge provided with liftable guardrails and adopting simple structure

一种具有可升降护栏且结构简单的桥梁

Abstract

A bridge provided with liftable guardrails and adopting a simple structure comprises a bridge base body (1) and multiple guardrail units (2) mounted on the bridge base body (1), wherein each guardrail unit (2) comprises two fixed sleeve stand columns (4) fixed on the bridge base body (1) in a leftwards and rightwards symmetric manner as well as an upper cross beam (21) and a lower cross beam (22) which stretch across and extend out of the space between the two fixed sleeve stand columns (4), the upper cross beam (21) and the lower cross beam (22) are provided with circuit devices and are fixedly connected with each other by the aid of vertical rails (23), a screw hole in threaded fit with a vertical stud (43) is formed in each of the two fixed sleeve stand columns (4), and the upper end of each vertical stud (43) extends into the upper cross beam (21) and is axially and fixedly connected with the upper cross beam (21) by the aid of an upper thrust bearing (431) and a lower thrust bearing (432).
一种具有可升降护栏且结构简单的桥梁,包括:桥梁基体(1)以及安装在所述桥梁基体(1)上的多个护栏单元(2),每个护栏单元(2)包括左右对称地固定于所述桥梁基体(1)上的两个固定套筒立柱(4)、横跨并延伸超过所述两个固定套筒立柱(4)之间的上横梁(21)和下横梁(22),所述上横梁(21)和下横梁(22)均设置有电路器件并由竖向栏杆(23)固连;其中,所述两个固定套筒立柱(4)的每个中均设置有与竖向螺柱(43)螺纹配合的螺孔,所述竖向螺柱(43)的上端伸入所述上横梁(21)中并通过上推力轴承(431)和下推力轴承(432)而与所述上横梁(21)轴向固定地连接。

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