Trolley for tunnel full-face excavation, drilling and steel arch installation
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHINA FIRST HIGHWAY ENG
- Publication Date
- 2019-06-25
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Abstract
Description
technical field
[0001] The invention relates to a large-scale electromechanical-hydraulic trolley device which can be generally used for tunnel excavation, rock drilling, drilling, anchor rod drilling and steel arch installation. The device belongs to the field of special equipment for tunnel excavation, blasting, rock drilling and preliminary support construction. Background technique
[0002] The trolley is the general term used for the construction of a certain structure of the tunnel. The tunnel excavation is firstly carried out by drilling and blasting the rock on the face of the tunnel, and then drilling the anchor rods to install the steel arch shotcrete pre-support after the muck is excavated. At present, manual wind guns or multi-arm chisels (2-3 arms) are often used for rock drilling, and rock platforms must be positioned and fixed multiple times; steel arches are mostly installed with simple benches, and the manual installation speed is relatively slow. A large-sc...