An easily adjustable ventilation device for tunnel construction

Abstract

The invention discloses a convenient-to-adjust ventilation device for tunnel construction, including a bearing plate, wherein a sleeve is detachably connected to the upper end of the bearing plate, four first notches are equidistantly formed in the inner side wall the circumference of the sleeve, a first moving plate is arranged on each of the four first notches, two fixing frames are fixed between the four first moving plates, and one of the fixing frames is provided with a power mechanism on one side. By adopting a mechanical structure, the use of electrical components is reduced and the possibility that the device cannot operate normally due to damage of the electrical components is reduced, thereby making the whole device firmer and more reliable, adapting well to different harsh environments, ensuring operation performance normally, enabling ventilation to the tunnel conveniently and stably, making the fixed bracket by welding in the past become an adjustable bracket, being convenient for the staff to install and disassemble the sleeve, improving the efficiency of installation and disassembly, and facilitating the overall handling and transportation.

Description

technical field [0001] The invention relates to the technical field of tunnel construction, in particular to an easily adjustable ventilation device for tunnel construction. Background technique [0002] A tunnel is an engineering building buried in the ground, and it is a form of human use of underground space. Tunnels can be divided into traffic tunnels, hydraulic tunnels, municipal tunnels, and mine tunnels. [0003] The structure of the tunnel includes two parts, the main building and the auxiliary equipment. The main building is composed of the tunnel body and the tunnel door, and the auxiliary equipment includes car avoidance tunnels, fire-fighting facilities, emergency communication and waterproof and drainage facilities, and the long tunnel also has special ventilation and lighting equipment. [0004] In the process of tunnel construction, in order to ensure the flow of air inside the tunnel, tunnel fans are usually used for ventilation, which helps to ensure the s...

AI Technical Summary

Problems solved by technology

[0006] Existing tunnel fans have many internal electrical components, and generally require an external large-scale control cabinet to install the control equipment, which has achieved the purpose of facilitating the operation of the staff. However, the surrounding environment of the tunnel is generally relatively harsh, which is easy to affect the components in the equipment and affect the equipment. The service life of the existing tunnel fan is generally fixed and welded with a mounting seat at the bottom of the shell and then installed on the fixed bracket. Inconvenient for transportation

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