Two-arm and two-basket steel arch mounting machine and steel arch construction method used for tunnel

Abstract

The invention belongs to the field of mechanical equipment special for mountain tunnel engineering construction and provides a two-arm and two-basket steel arch mounting machine and a steel arch construction method used for a tunnel. The two-arm and two-basket steel arch mounting machine comprises a chassis, a cab, a power system and a control system. The chassis is parallelly provided with two sliding racks which are both slidably provided with sliding supports in a matched mode. All the sliding supports are each provided with a basket arm and a basket. The two sliding racks are provided with fixing supports. All the fixing supports are each provided with a working arm and a clamp head. By adoption of the two-arm and two-basket steel arch mounting machine and the steel arch construction method, mechanization of steel arch mounting and splicing work in tunnel set construction is effectively achieved, tunnel construction efficiency is greatly improved, tunnel construction progress is accelerated, the construction period is shortened, cost is saved, tunnel construction safety is greatly improved, personnel labor intensity is relieved, operation convenience in a construction process is optimized, and the mechanization, set and informatization development progress of tunnel construction is promoted.

Description

technical field [0001] The invention belongs to the field of special mechanical equipment for mountain tunnel engineering construction, and in particular relates to a two-arm and two-basket steel arch installation machine for tunnels and a steel arch construction method. Background technique [0002] In the current tunnel construction in my country, when the surrounding rock is weak and broken, it is necessary to install steel arches as primary support in time to control the deformation of the surrounding rock and prevent collapse. The steel arch frame generally adopts two structures of section steel arch frame and grid steel frame, and forms a joint support with tie bars, mesh sheets, lock-foot anchor rods and shotcrete. [0003] The installation of steel arches is mainly done manually, that is, with the help of simple benches or loaders, the arches are installed in place by manpower. This installation method has many construction personnel, high labor intensity, low opera...

AI Technical Summary

Problems solved by technology

The single-arm arch installation machine has low working efficiency, and the three-arm arch installation machine has high work efficiency, but the cost is high, and the work basket is connected with the fixture head, which is inconvenient to use

There are also two-arm two-basket steel arch installation machines developed abroad, but these machines are mainly developed according to foreign construction conditions and are not suitable for domestic construction conditions.

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