A load-bearing device that changes the supporting force of the steel skeleton of a deep foundation pit according to the amount of soil covering

Abstract

The invention relates to the technical field of steel frame support, in particular to a load-bearing device for changing the support force of a deep foundation pit steel frame according to the amount of soil covering. It includes two supporting devices and beams arranged on the upper ends of the two supporting devices. A load-bearing mechanism for supporting the beams is provided at the connecting position of the supporting devices and the beams. The supporting devices include supporting columns, and socket holes are opened at the four corners of the upper ends of the supporting columns. , the crossbeam includes a crossbeam rod and a plurality of inserting posts fixed on the bottoms of both ends of the crossbeam rod, and a spring retaining ring is fixed on the inserting post. In the present invention, the beam receiving the soil is supported by the load-bearing mechanism. After the beam receives the soil, the beam moves downward, and the active tooth plate drives the gear to drive the positioning slide to move, and the moving positioning slide drives one end of the positioning slide. Move, make the other end of support bar change the support position to beam bar, make support bar support the middle part of beam bar, improve the bearing ability of beam bar to earth.

Description

A load-bearing device for changing the support force of the steel frame of the deep foundation pit according to the amount of soil covering technical field The present invention relates to support technical field with steel frame, specifically, relate to a kind of deep foundation pit that changes according to covering soil amount The load-bearing device for the supporting force of the steel frame. Background technique Deep foundation pit refers to that the excavation depth exceeds 5 meters or the depth does not exceed 5 meters, but geological conditions and surrounding environment and underground For projects with particularly complex pipelines, in deep foundation pits, steel skeletons are often built to serve as support pits or working platforms. When working in the pit, the soil on the foundation pit can easily fall on the steel skeleton, so as to increase the bearing strength of the steel skeleton. When too much soil is accumulated, it is easy to cause the middle ...

AI Technical Summary

Problems solved by technology

[0002] Deep foundation pit refers to a project whose excavation depth exceeds 5 meters or the depth does not exceed 5 meters, but the geological conditions, surrounding environment and underground pipelines are particularly complicated. In deep foundation pits, steel skeletons are often built as support pits or work Platform, when working in a deep foundation pit, the soil on the foundation pit can easily fall on the steel frame to increase the bearing strength of the steel frame. When too much soil accumulates on the steel frame, it is easy to make the steel frame built The middle part of the frame bears heavy loads, which reduces the service life of the steel frame and increases the danger of workers working on the steel frame

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