Echelon cradle as well as construction method thereof

梯形挂篮及其施工方法

Abstract

一种桥梁施工挂篮结构及其施工方法,挂篮包括主桁片、联结系、底模平台及其吊挂、内外模板及其支架和吊挂、后锚固系统、走行系统;主桁片由竖向、水平向联结系连接,主桁下弦杆后方连接后锚固系统;走行系统包括位于主桁片下方的下滑道,主桁片为梯形桁架结构,其上平杆上布置有前横梁和中横梁,走行时底模平台前点吊挂在前横梁上,底模平台后点吊挂在中横梁上。本挂篮走行时,外模支架落于底模平台上,底模平台前、后吊点分别吊挂于前上横梁、中横梁;前上横梁、中横梁带底模平台先向挂篮后方滑移至前支座后方,然后挂篮主桁带整只挂篮纵移到位。走行状态没有倾覆力矩,走行状态不再需要预埋筋,大量减少不可回收件的使用量,经济效益明显。
The invention relates to a bridge construction suspended wagon structure and a construction method thereof, wherein a suspended wagon comprises a main truss plate, a bracing, a bottom die platform and hangers thereof, an inner formwork, an outer formwork and supports and hangers thereof, a rear anchoring system and a walking system, wherein the main truss plate is connected by a vertical and a lever bracings, the back portion of a bottom chord bar of the main truss plate is connected with the back anchorage system, the walking system comprise a lower slide way which is located on the lower portion of the main truss plate, the main truss plate is a trapezoid truss structure, an upper leveling bar of the main truss plate is equipped with a front beam and a middle beam, a front point of the bottom die platform is hung on the front beam when walking, and a back point of the bottom die platform is hung on the middle beam. When the suspended wagon walks, an external formwork support is located on the bottom die platform, a front hoisting point and a back hoisting point of the bottom die platform are respectively hung on a front upper beam and a middle beam, the front upper beam and the middle beam drive the bottom die platform to firstly slide to the back portion of a front support from the back portion of the suspended wagon, and then a main truss of the suspended wagon drives the whole suspended wagon to vertically move in position. The line feed status has no overturning moment, the line feed status does not need an embedded gluten any more, the use amount of non recoverable parts is greatly reduced, and the economic benefit is obvious.

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Cited By (13)

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