A reusable hydraulic combined special-shaped steel formwork and disassembly method

Abstract

The invention discloses a reusable hydraulic combined special-shaped steel formwork and a dismantling method, which includes a circular arc section bent frame, a straight line section bent frame, a hydraulic main pipe, a hydraulic oil cylinder, an arc panel and a plane panel; the hydraulic main pipe and the pumping station flow The bending shape of the elbow section of the road bend is the same, and the hydraulic main pipe passes through the center of the curved frame of the arc section and the bent frame of the straight section; the hydraulic cylinders include radial hydraulic cylinders, central linear hydraulic cylinders, lateral hydraulic cylinders and oblique hydraulic cylinders. Cylinders; each hydraulic cylinder is equipped with metering valves. The present invention skillfully utilizes the hydraulic cylinder as the supporting and shaping structure of the elbow section of the flow path of the pump station, and the hydraulic oil is used to push the hydraulic cylinder to adjust the corresponding stroke or length, so as to correct the arc section bent frame, straight line section bent frame, arc panel, The deformation of the plane panel ensures the position accuracy of the formwork. It can not only set up the steel formwork automatically, but also disassemble the steel formwork after the concrete is formed, so that the steel formwork can be used repeatedly and has high positioning accuracy.

Description

technical field [0001] The invention relates to a construction temporary support structure for forming concrete pouring, in particular to a reusable hydraulic combined special-shaped steel formwork and a dismantling method. Background technique [0002] As a complex structure of special-shaped ordinary concrete with large volume and variable cross-section, in the traditional construction, the elbow section of the flow channel of the pump station often has honeycomb, pitting, cracks, misalignment, and flatness due to the formwork material, formwork process, and erecting formwork technology. Quality problems such as excessive size will seriously affect the performance and efficiency of the pump unit. Therefore, to improve the quality of concrete, it is necessary to study the formwork material and manufacturing methods and processes. [0003] As a widely used traditional wood formwork, it has many advantages, such as convenient on-site processing, quick installation, low cost, ...

AI Technical Summary

Problems solved by technology

However, for the special-shaped and complex spatial surface of the elbow section of the pumping channel, although the concrete poured with the new steel formwork for the first time basically meets the quality requirements, however, the same new steel formwork is used for the concrete pouring of multiple identical runners. On the one hand, the amount of steel used is larger, the project cost is higher, the production efficiency is lower, and the construction period is longer, which leads to the delay of the construction period of the pumping station for flood control, and the risk of flood control is greatly increased

On the other hand, the steel formwork is deformed after disassembly, and the secondary positioning is not accurate, so it is inconvenient to reuse

If the traditional construction method is used to pour the concrete of the same pump flow channel with the old steel form again, there will be certain quality defects, and the quality defects of the concrete will continue to accumulate with the repeated use of the old steel form, thus affecting the operating life of the flow channel and Unit efficiency

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