CN-121117288-B - Rail member identification method, device and equipment for turnout and readable storage medium

Abstract

The invention provides a rail piece identification method, a device, equipment and a readable storage medium for a turnout, and relates to the technical field of turnout rail piece identification; and analyzing and processing the first data to obtain second data, wherein the second data comprises point rail three-dimensional point cloud data, guard rail three-dimensional point cloud data and wing rail three-dimensional point cloud data, and storing and visualizing the second data. The invention replaces the traditional manual measurement, realizes automatic acquisition of the three-dimensional point cloud data of the rail of the turnout, reduces the labor intensity of staff, reduces human errors and improves the detection efficiency and accuracy of the turnout.

Inventors

• LI DONGDONG
• DAI WENCHEN
• GAO GUOCHEN
• YUAN ZHENG
• YU XIAO
• YAN SHAOHUI
• WANG YANJIE
• XI HAIPENG
• HAN BIN
• WANG FENG
• XING JIAMING
• ZHAO DONGLIANG
• WANG XIAOPAN
• HOU JUNLING
• ZHANG TINGLEI

Assignees

• 中铁工程设计咨询集团有限公司

Dates

Publication Date

20260508

Application Date

20250821

Claims (4)

1. 1. A rail member identification method for a switch, comprising: Acquiring first data, wherein the first data comprises turnout three-dimensional point cloud data obtained by scanning when a laser scanner moves along a track; analyzing and processing the first data to obtain second data, wherein the second data comprises point rail three-dimensional point cloud data, guard rail three-dimensional point cloud data and wing rail three-dimensional point cloud data; Saving and visualizing the second data, wherein The analyzing and processing based on the first data to obtain second data includes: Carrying out width identification on a steel rail (10) of a stock rail to obtain the rail head width and the rail web width of the steel rail (10); Judging in the forward direction according to the rail head width and the rail web width of the steel rail (10), judging that the stock rail is point rail three-dimensional point cloud data if the rail head width of the steel rail (10) on one side of the stock rail is large and the rail web width is large and the three-dimensional point cloud data of the steel rail (10) on the other side of the stock rail has a gap extending along the extending direction of the rail; Judging the three-dimensional point cloud data of the steel rail (10) at the two sides of the three-dimensional point cloud data of the core rail in the width direction, and judging the three-dimensional point cloud data of the steel rail as the three-dimensional point cloud data of the guard rail if the width of the three-dimensional point cloud data of the steel rail towards the three-dimensional point cloud data of one side of the core rail is increased and then reduced; The three-dimensional point cloud data of the heart rail comprises three-dimensional point cloud data of the movable heart rail and three-dimensional point cloud data of the immovable heart rail, wherein the judging method of the three-dimensional point cloud data of the movable heart rail and the three-dimensional point cloud data of the immovable heart rail comprises the following steps: if one side of the steel rail (10) in the width direction has one repellent three-dimensional point cloud data, judging the steel rail (10) as the movable core rail three-dimensional point cloud data; if two sides of the steel rail (10) in the width direction have three-dimensional point cloud data of one repulsion, judging the steel rail (10) as the three-dimensional point cloud data of the immovable core rail; The point rail three-dimensional point cloud data comprises a point rail tip, the point rail three-dimensional point cloud data comprises a wing rail tail end, and the judgment method of the point rail tip and the wing rail tail end comprises the following steps: Respectively constructing a point rail three-dimensional model and a wing rail three-dimensional model based on the point rail three-dimensional point cloud data and the wing rail three-dimensional point cloud data; judging the width of the three-dimensional model of the point rail in the fork-smooth direction, wherein the first position of widening the width of the three-dimensional model of the point rail is the point rail tip; and judging the width of the wing rail three-dimensional model in the forward direction, and judging the tail end of the wing rail when the width of the wing rail three-dimensional model is zero.
2. 2. A railroad switch rail member identification apparatus, comprising: a data acquisition module (71) for moving along a track and acquiring first data, the first data comprising three-dimensional point cloud data of a switch; the data processing module (72) is used for carrying out analysis processing on the basis of the first data to obtain second data, wherein the second data comprises point rail three-dimensional point cloud data, center rail three-dimensional point cloud data, guard rail three-dimensional point cloud data and wing rail three-dimensional point cloud data; A data display module (73) for storing and visualizing the second data, wherein The data processing module (72) comprises: the first processing unit is used for carrying out width identification on the steel rail (10) of the stock rail to obtain the rail head width and the rail web width of the steel rail (10); The second processing unit is used for judging according to the rail head width and the rail web width of the steel rail (10) in the forward direction, judging that the stock rail is the point rail three-dimensional point cloud data if the rail head width of the steel rail (10) on one side of the stock rail is large and the rail web width is large and the three-dimensional point cloud data of the steel rail (10) on the other side of the stock rail has a gap extending along the extending direction of the rail; the third processing unit is used for judging the three-dimensional point cloud data of the steel rail (10) at the two sides of the three-dimensional point cloud data of the core rail in the width direction, and judging the three-dimensional point cloud data of the steel rail as the three-dimensional point cloud data of the guard rail if the three-dimensional point cloud data of the steel rail increases and decreases towards the three-dimensional point cloud data at one side of the core rail; the second processing unit includes: a first judging subunit, configured to judge that the steel rail (10) is movable core rail three-dimensional point cloud data if one side in the width direction of the steel rail (10) has one repellent three-dimensional point cloud data; A second judging subunit, configured to judge that the steel rail (10) is the immovable core rail three-dimensional point cloud data if both sides in the width direction of the steel rail (10) have one repellent three-dimensional point cloud data; The three-dimensional point cloud data of the switch rail comprises a switch rail tip, the three-dimensional point cloud data of the switch rail comprises a terminal end of the switch rail, and the switch rail part identification device further comprises: The construction unit is used for respectively constructing a point rail three-dimensional model and a wing rail three-dimensional model based on the point rail three-dimensional point cloud data and the wing rail three-dimensional point cloud data; A third judging unit for judging the width of the three-dimensional model of the point rail in the fork-going direction, wherein the first position of the widening of the width of the three-dimensional model of the point rail is the point rail tip; And the fourth judging unit is used for judging the width of the wing rail three-dimensional model in the forward direction, and judging that the wing rail tail end is the wing rail when the width dimension of the wing rail three-dimensional model is zero.
3. 3. A railroad switch rail member identification apparatus comprising: A memory (82) for storing a computer program; A processor (81) for carrying out the steps of the track identification method for a switch as claimed in claim 1 when executing said computer program.
4. 4. A readable storage medium, characterized in that it has stored thereon a computer program which, when executed by a processor, implements the steps of the track identification method for a switch as claimed in claim 1.

Description

Rail member identification method, device and equipment for turnout and readable storage medium Technical Field The application relates to the technical field of switch rail piece identification, in particular to a rail piece identification method, device and equipment for a switch and a readable storage medium. Background In railway transportation systems, switches are used as key devices of track lines, and the geometric states of the switches directly influence the safety and stability of train operation. In the prior art, at least one worker patrols and examines along the track, after the worker patrols and examines the turnout position, the worker needs to adopt the mode of "visual inspection + tool measurement" to analyze and record the turnout, but because the existence of the subjective factor of the worker, the measuring error to the turnout is probably great. Disclosure of Invention It is an object of the present application to provide a track piece identification method, apparatus, device and readable storage medium for a switch, to ameliorate the above problems. In order to achieve the above purpose, the technical scheme adopted by the application is as follows: The application provides a rail piece identification method for a turnout, which comprises the steps of obtaining first data, analyzing and processing second data based on the first data, wherein the first data comprises turnout three-dimensional point cloud data obtained by scanning when a laser scanner moves along a rail, the second data comprises point rail three-dimensional point cloud data, guard rail three-dimensional point cloud data and wing rail three-dimensional point cloud data, and storing and visualizing the second data. The application provides a turnout rail piece identification device which comprises a data acquisition module, a data processing module and a data display module, wherein the data acquisition module is used for moving along a track and acquiring first data, the first data comprises turnout three-dimensional point cloud data, the data processing module is used for analyzing and processing based on the first data to obtain second data, and the data display module is used for storing and visualizing the second data. In a third aspect, the application provides a switch track piece identification device comprising a memory for storing a computer program and a processor for implementing the steps of the track piece identification method for a switch according to the first aspect when executing the computer program. In a fourth aspect, the present application provides a readable storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of the track identification method for a switch as described in the first aspect. The beneficial effects of the application are as follows: According to the method, the laser scanner moves along the extending direction of the track to scan the track and acquire the three-dimensional point cloud data of the turnout, and then the three-dimensional point cloud data of the switch rail, the three-dimensional point cloud data of the point rail, the three-dimensional point cloud data of the guard rail and the three-dimensional point cloud data of the wing rail are acquired based on the three-dimensional point cloud data of the turnout, so that the three-dimensional point cloud data of the rail of the turnout can be automatically acquired, the traditional manual measurement is replaced, the labor intensity of staff is reduced, the human error is reduced, the detection efficiency and the accuracy of the turnout are improved, and the three-dimensional point cloud data of the rail can be stably and timely acquired even under the complex environment condition. Additional features and advantages of the application will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by practice of the embodiments of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. FIG. 1 is a schematic illustration of a track identification method for a switch of the present application; FIG. 2 is a schematic view of a switch set movable point rail of the present application; FIG. 3 is a schematic view of the switch of the present application with an