A seamless track rail displacement crawling detection system

Abstract

The invention provides a continuously welded rail track rail displacement crawling detection system. The system comprises field basic equipment, a main control operating system and a power supply system. The field basic equipment comprises an image acquisition system and a scale ruler, and the image acquisition system is used for emitting a light mark illuminating on the scale ruler and used for collecting the displacement image of the light mark on the scale ruler in real time and sending the displacement image to the main control operating system. The main control operating system is used for receiving the displacement image sent by the image acquisition system in real time, and measuring and saving the displacement based on the positional change of the light mark according to the comparison of the displacement image and a preset original image. The continuously welded rail track rail displacement crawling detection system realizes the intelligent design of accurate measurement, storage, statistics and management integration of the rail displacement, the rail displacement detection of multiple lines can be quickly and accurately completed through the single-person operation, staff does not need to perform cross-line operation, the personnel safety risk is eliminated, and the data is stored in real time and can be quickly exported for easy management.

Description

technical field [0001] The invention belongs to the technical field of high-speed railway seamless track detection, in particular to a seamless track rail displacement crawling detection system. Background technique [0002] With the application and development of seamless lines, the requirements for standardization, accuracy, and timeliness of daily maintenance monitoring of seamless lines are getting higher and higher, especially for line diseases that may be caused by changes in the longitudinal displacement of rails. Rail displacement detection of seamless line is the basic inspection item for the repair and maintenance of seamless line of high-speed railway, and it is an important guarantee for the anti-breaking work of high-speed railway track structure, and plays a vital role in the safety and stability of high-speed railway line operation. [0003] At present, the method for displacement observation of seamless lines is to adopt the method of embedding displacement o...

AI Technical Summary

Problems solved by technology

[0004] 1. It is difficult and costly to bury displacement observation piles

Affected by the special environment of the railway, the burial depth of each displacement observation pile point must exceed a certain depth, and the geology along the railway is complex, and excavation is difficult, and the scrap rails must be made into short rails not shorter than 2.5 meters in advance and transported to the site. It consumes a lot of manpower and material resources, and the construction progress is slow;

[0005] 2. The accuracy of the measurement data is not high, and the measurement speed is slow

[0007] 4. It is difficult to maintain the displacement observation pile

Due to the construction of the elevated road, water damage, and the unloading of soil and rocks to help the roadbed, the displacement observation piles will be buried, and a section needs to be re-buried or re-welded, making maintenance difficult;

[0008] 5. There are security risks

However, this detection device still has the following defects: relying on laser irradiation on the rail screen printing scale, because the existing laser technology cannot focus to a spot as fine as 1 mm at a distance of more than 5 meters, and the laser is irradiated on the rail screen printing scale A large spot of light will be formed on the ruler, and the application requirements for correct reading of the clear scale value cannot meet the standard

In addition, most of the lines are up and down lines (4 steel rails). The closest distance to the catenary pole is about 2.5 meters, and the farthest is more than 7 meters. The naked eye cannot recognize the recording at such a distance of 1 mm. It can only be observed and measured with the help of a telescope. At the same time, manual work is required. Recording, painting increases the burden of railway workers, consumes manpower, and the measurement process is relatively close to the rail, which poses a high safety risk and poor practicability

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