Multi-joint collapsible type pipeline device

Abstract

The invention provides a multi-joint collapsible type pipeline device. The multi-joint collapsible type pipeline device comprises a pipeline group single piece, and the pipeline group single piece iscomposed of a plurality of U-shaped pipes and a plurality of bends or a plurality of U-shaped pipes, a plurality of straight pipes and a plurality of bends. The pipeline device is preferably composedof a folding pipe group, a fixing pipe group and a swinging pipe group, wherein the length of the folding pipe group and the fixing pipe group can be changed, and the orientation of the swinging pipegroup can be changed. According to the technical scheme, the multi-joint collapsible type pipeline device has the effects that the pipeline group single piece is tidy in structure, the pipeline groupsingle piece designed by the structure can change the spatial position according to actual demands, and the practicability is high.

Description

technical field [0001] The invention relates to the technical field of concrete construction, in particular to a multi-joint foldable pipeline device. Background technique [0002] During the concrete construction of the second lining of the tunnel, it is necessary to pump the concrete into the cavity between the formwork and the excavation surface through different positions on the formwork to complete the pouring. At present, the pumping pipelines are connected by pipe clamps and sealing rings, and then fixed on the trolley by a fixing frame. When the pumping position is changed during construction, the concrete pumping interface needs to be replaced, and the concrete pumping needs to be stopped. The pipe clamp, sealing ring, and pump pipe on the pump pipe should be removed by several people, and the pump pipe and adjustment pipe of suitable length should be replaced. After connecting with the next pumping interface after the outlet of the road position, install and fix i...

AI Technical Summary

Problems solved by technology

[0003] The disadvantages are: the pump tube is long and heavy, and it is troublesome and unsafe to operate in the narrow space on the upper part of the trolley; the pump tube is fixed and sealed by tube clips and sealing rings, and the pumping interface is replaced frequently, and the interface is replaced every time All need to disassemble, replace, clean, take over and fix the pipes. It is difficult to install and align, and the workload and labor intensity are large and time-consuming. The pumping of concrete is interrupted for a long time, and the slump loss of the concrete trapped in the pump pipe is easy to cause blockage. In addition, the newly poured concrete and the previously poured concrete are prone to form cold joints, affecting the pouring quality; frequent replacement of the pumping interface, cleaning of spilled concrete and residual concrete in the pipe, resulting in waste and on-site pollution

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