bp bridge safety inspection vehicle and method for obtaining bridge surface appearance

Abstract

The invention discloses a BP bridge safety inspection vehicle and a method for obtaining a bridge surface physiognomy. Equipment comprises a walking vehicle and a bridge physiognomy collecting system which is loaded on the walking vehicle, wherein the bridge physiognomy collecting system at least comprises a two-dimensional laser scanning device, an industrial CCD camera, a GPS system, an inertial navigation system and a main controller. According to the BP bridge safety inspection vehicle and the method for obtaining the bridge surface physiognomy, three-dimensional geometric shapes and texture image data of the surface of the outer contour of a visible bridge can be rapidly obtained in a high-precision mode, when the BP bridge safety inspection vehicle and the method for obtaining the bridge surface physiognomy are used, current safety conditions of a bridge structure are judged through comprehensive comparative analysis on history data obtained by the BP bridge safety inspection vehicle, therefore, operation safety of the bridge is guaranteed, bridge accidental collapse accidents are eradicated, a traditional bridge inspection method focusing on manual visual inspection is promoted to develop in an automatic, efficient, standardized and precise direction, and the BP bridge safety inspection vehicle and the method for obtaining the bridge surface physiognomy can also be used for conducting regular bridge safety check in an efficient, economical, practical and accurate mode.

Description

technical field [0001] The invention relates to the fields of civil engineering and safety, in particular to a detection device for bridges and a method for acquiring bridge surface data. Background technique [0002] Bridges are the throats of road traffic. On the one hand, the bridge structure will naturally age over time. On the other hand, the traffic volume and vehicle load will increase rapidly with the development of society and economy, prompting a large number of bridges to enter the old age one after another. In view of the current economic conditions and social needs, these old bridges will still be in use for a long period of time in the future. How to take economical, practical and effective detection measures to identify the current safety status of bridge structures to avoid safety hazards? The occurrence of accidents is a major problem that needs to be solved urgently. [0003] In the prior art, in order to ensure the operation safety of bridges, there are ...

AI Technical Summary

Problems solved by technology

Periodic inspection requires scaffolding or bridge inspection vehicles to observe and test the main structure of the bridge only from a distance. The cost is high, the efficiency is low, and the normal traffic of vehicles on the bridge will be affected. Therefore, most bridges fail to meet the required periodic inspection. Frequency requirements; regular safety inspection requirements are not less than once a month. The common method is that bridge maintenance personnel inspect the bridge deck. Due to the limitation of accessibility conditions, it is basically impossible to implement inspections on the main structure of the bridge. Due to the limitation of the number and quality of practitioners, it is difficult to timely and accurately detect structural diseases that endanger the safety of bridges, resulting in the frequent safety inspection of bridges being mostly tangible and insubstantial, and even the daily maintenance records of bridges suddenly collapsed. disaster case

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