Installation system of steel arches of tunneling machine

Abstract

The invention discloses an installation system of steel arches of a tunneling machine. The installation system comprises a conveying device, a splicing device, a gripping device, a bracing-tensioningdevice, a tail closing and ring sealing mechanism and a control device. The conveying device is used for receiving the steel arches and conveying the steel arches to a preset transfer position. The splicing device is used for enabling the steel arches to be connected with each another end to end to form a C-shaped ring. The gripping device is used for gripping the steel arches from the conveying device and placing the steel arches on the splicing device. The bracing-tensioning device is used for gripping the C-shaped ring and conveying the C-shaped ring to a bracing-tensioning position and enabling the C-shaped ring to be braced and tensioned. The tail closing and ring sealing mechanism is used for sealing an opening of the C-shaped ring after being braced and tensioned. The control deviceis connected with the conveying device, the splicing device, the gripping device, the bracing-tensioning device and the tail closing and ring sealing mechanism. According to the installation system of the steel arches of the tunneling machine, support work such as automatic conveying, automatic gripping, automatic splicing, moving and bracing tensioning, opening sealing and ring closing of the steel arches through the control device are realized, the degree of mechanization is high, manual carrying and installation of the steel arches are avoided, the labor intensity is reduced, the efficiency is improved, and manual installation errors are avoided.

Description

technical field [0001] The invention relates to the technical field of tunnel construction machinery, and more specifically relates to a steel arch installation system for a roadheader. Background technique [0002] Full-face tunnel boring machine (TBM) is a special construction machine for tunnel boring. It integrates multiple functions such as tunneling, support and slag discharge. It is suitable for tunneling in hard rock formations. widely used in engineering. [0003] In adverse geological construction, the steel arch is one of the most important supporting components for the structural surface of tunnel excavation. Its installation speed and installation quality have an important impact on the stability of the tunnel and the safety of the construction personnel. At present, when TBM is being constructed in harsh geological conditions, steel arches need to be installed after the excavation process to provide initial support for the surrounding rock. In the prior art, ...

AI Technical Summary

Problems solved by technology

During the entire assembly process of the steel arch frame, the tunnel can basically only rely on the internal force of the surrounding rock to maintain stability, and because the operator is close to the tunnel excavation face, this is extremely dangerous in a tunnel with poor stability, while In the prior art, the degree of mechanization of the segmented manual installation of the steel arch is low, and a large amount of labor is required to complete the installation of the steel arch. The labor cost is high, and the installation efficiency is low, which affects the construction period and takes up a long time for tunnel construction. , which undoubtedly increases the danger of manual installation of the arch, and there are also problems with the quality of the erection

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