Underframe structure of steel bridge frame: Fid-Bau Portal

Underframe structure of steel bridge frame

LI DAN / XU GUANYAO / LI JIE / BAI KAI

The invention discloses an underframe structure of a steel bridge frame, which belongs to the technical field of steel bridge frames and comprises a base, a stand column, a leveling device, a first supporting seat and a second supporting seat. Spring seats are arranged on the first supporting seats and the second supporting seats, the spring seats are used for being welded to the bottom of a steel bridge frame, the second supporting seats are located on the two sides of the bottom of the steel bridge frame, extension springs are connected between the first supporting seats and the second supporting seats, and the first supporting seats and the second supporting seats are slidably connected to the base in the width direction of the steel bridge frame; a buffer device is arranged on the second supporting seat; a guide plate is arranged on the outer side of the supporting platform and used for making contact with the edge of the side portion of the steel bridge frame so that when the steel bridge frame is installed, the steel bridge frame can push the guide plate towards the two sides to drive the second supporting base to slide outwards on the base. The leveling device is used for driving the stand columns to move up and down so that the mounting height of the steel bridge frame can be the preset mounting height. The underframe structure of the steel bridge frame has good buffering, damping, noise reduction and leveling effects.

本发明公开了一种钢桥梁架的底架结构，属于钢桥梁架技术领域，该底架结构包括底座、立柱、调平装置以及第一支撑座、第二支撑座；第一支撑座和第二支撑座上均设置有弹簧座，弹簧座用于焊接在钢桥梁架底部，第二支撑座位于钢桥梁架底部两侧，第一支撑座和第二支撑座之间连接有拉伸弹簧，第一支撑座和第二支撑座沿钢桥梁架宽度方向滑动连接在底座上；第二支撑座上设置有缓冲装置；支撑平台外侧设置有导向板，导向板用于与钢桥梁架侧部边缘接触，以使钢桥梁架安装时，钢桥梁架向两侧推动导向板，以带动第二支撑座在底座上向外滑动；调平装置用于驱动立柱上下移动，以使钢桥梁架安装高度为预定安装高度。本发明具有较好缓冲、减震、减噪、调平作用。

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