Comprehensive detection vehicle for subway tunnel structure

Abstract

The invention relates to a comprehensive detection vehicle for a subway tunnel structure. The detection vehicle comprises a positioning system, an acquisition system and a rail flat car, wherein the rail flat car runs on a rail of a subway tunnel, the positioning system and the acquisition system are both installed on the rail flat car, and the positioning system comprises a laser ranging module and an inertial navigation module. The detection vehicle further comprises an independent power supply system and a central control system which are installed on the rail flat car, wherein the independent power supply system is used for supplying power to the acquisition system, the positioning system and the central control system; and the central control system comprises an acquisition industrialpersonal computer and a positioning industrial personal computer which are respectively connected with the acquisition system and the positioning system. Compared with the prior art, the invention has the advantages of high automation degree, realization of multi-functional comprehensive detection of the appearance and the internal multi-parameter of the tunnel structure, longitudinal and circumferential centimeter-level positioning of the tunnel and the like.

Description

technical field [0001] The invention relates to the field of engineering detection of subway operation tunnels, in particular to a comprehensive detection vehicle for subway tunnel structures. Background technique [0002] Subways play an important role in urban transportation. During the operation of the subway tunnel structure, it has been affected by factors such as train vibration load, material weakening, ground, surrounding building load and soil disturbance for a long time. Cavities and other diseases will lead to deformation of structures and tracks, affecting the performance of tunnels and the safety of trains. At present, the detection of disease and deformation of subway tunnels is mainly based on manual on-site detection. Common equipment such as steel rulers, vernier calipers, flashlights, crack width gauges, crack depth sounders, and recording boards are equipped to manually record investigation information in writing. Traditional methods are time-consuming, ...

AI Technical Summary

Problems solved by technology

But above-mentioned method all has the following problems: 1, all is to only carry out visual inspection to the surface of tunnel, and detection equipment function is single, lacks the detection item of tunnel structure interior disease

2. The detection device cannot perform accurate positioning during detection, resulting in certain errors in the established tunnel model data, and the location of the disease cannot be accurately determined

3. In order to complete the tunnel inspection operation, a variety of different inspection equipments are required to be used together. The integration of various data is difficult and requires a lot of post-work, which leads to increased inspection costs and low operation efficiency, which is not conducive to the comprehensive analysis and real-time analysis of tunnel disease data. Comparison

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