CN-121540111-B - Tunnel bottom drum state identification method and device

CN121540111BCN 121540111 BCN121540111 BCN 121540111BCN-121540111-B

Abstract

The embodiment of the invention discloses a method and a device for identifying the bottom drum state of a tunnel, which are characterized in that the shape of the bottom drum of the over-limit section is determined according to the space distortion form of a track plate and the shape of the bottom drum of the over-limit section by determining the over-limit section of which the height irregularity value exceeds the over-limit threshold value in a target section, track parameters such as the height irregularity waveform, the track direction irregularity waveform, the horizontal irregularity waveform, the triangular pit irregularity waveform, the gap thickness of the track plate and/or the shape of a central ditch of the track plate are obtained, and the space distortion form of the track plate is determined according to the track parameters.

Inventors

ZHANG CAILIANG
LI YANG
JIA TAO
ZHOU MEILING
Hou Luzheng
LI QUAN
XU JIANGTING
ZHAO DEYONG
LUO BAOLIN
LI HONGTU
MA XIANG
LIU XIUBO
GONG XINGQI
TIAN WEIWEI
ZHANG BAOXING
KONG DESHUN
QIN ZIWEN
ZHANG BAOHUA
LI PENG
Meng Fangting
Diao Hongbao
YANG GAOJIAN
ZHANG YUFANG
KE ZAITIAN
JIANG HUIZENG
ZHANG YICHI
LIU HONGLIANG
LI RUI
YU DUODUO

Assignees

北京华横科技有限公司
中国铁道科学研究院集团有限公司标准计量研究所
中国铁道科学研究院集团有限公司

Dates

Publication Date: 20260505
Application Date: 20260116

Claims (9)

1. A tunnel bottom drum status identification method, the method comprising: determining an overrun section of the target section, wherein the overrun section is a section with a height irregularity value exceeding an overrun threshold value in the target section; The track parameters of the overrun section are obtained, wherein the track parameters comprise a high-low irregularity waveform, a track direction irregularity waveform, a horizontal irregularity waveform, a triangular pit irregularity waveform, a track plate gap thickness and/or a central ditch shape; Determining a space distortion form of a track plate according to the track parameters, wherein the track plate comprises a track plate of an uplink track and a track plate of a downlink track; Determining a tunnel bottom drum state of the overrun section according to the space distortion form, wherein the tunnel bottom drum state comprises a tunnel bottom drum range and a tunnel bottom drum action position; Responding to the track parameters to represent that the inner side height irregularity values of the track plate of the ascending track and the track plate of the descending track are higher than the outer side height irregularity values, the track direction irregularity values are negative, the horizontal irregularity values are positive, the triangular pit irregularity waveforms change from positive to negative, the inner side gap thickness of the track plate is greater than the outer side gap thickness of the track plate and/or the central ditch is in upper-wide and lower-narrow deformation, and determining that the space distortion is a first form; determining the tunnel bottom drum state of the overrun section according to the space distortion form comprises determining that bottom drums occur on two sides of a tunnel in response to the space distortion form being a first form, wherein the action position of the tunnel bottom drum is the tunnel bottom.
2. The method of claim 1, wherein said determining the spatial twist profile of the track slab from the track parameters comprises: Responding to the track parameter to represent that the inside height irregularity value of a track plate of an ascending track or a track plate of a descending track is higher than the outside height irregularity value, the track direction irregularity value is a negative value, the horizontal irregularity value is a positive value, the triangular pit irregularity waveform changes from positive to negative, the thickness of a gap at the inner side of the track plate is greater than the thickness of a gap at the outer side of the track plate and/or a central ditch is deformed in a wide-up and narrow-down manner, and determining that the space distortion shape is a second shape or a third shape; and determining that the space distortion shape is a fourth shape, a fifth shape or a sixth shape in response to the track parameter representing that the inside height irregularity value of at least one side track plate is lower than the outside height irregularity value, the track direction irregularity value is a positive value, the horizontal irregularity value is a negative value, the triangular pit irregularity waveform changes from negative to positive, the thickness of the gap at the inner side of the track plate is smaller than the thickness of the gap at the outer side of the track plate and/or the central ditch is deformed in a narrow-top-down-width mode.
3. The method of claim 2, wherein determining the tunnel floor drum extent of the overrun section from the spatial twist profile of the track slab comprises: Determining that bottom drums occur on both sides of the tunnel in response to the spatial twist pattern being the fourth pattern; in response to the spatially distorted configuration being the second configuration, the third configuration, the fifth configuration, or the sixth configuration, it is determined that only an uneven side of the tunnel is subject to bottom bulging.
4. The method of claim 2, wherein determining the tunnel bottom drum active position of the overrun section from the spatial twist profile of the track slab comprises: Determining the tunnel bottom drum action position as the tunnel bottom in response to the space distortion form being the second form or the third form; And determining the tunnel bottom drum action position as a tunnel bottom leveling layer in response to the space distortion form being a fourth form, a fifth form or a sixth form.
5. The method of claim 1, wherein the determining an overrun segment of the target segment comprises: acquiring the line type and track height irregularity waveform of the target section; Determining an overrun threshold corresponding to the target section according to the line type; And determining that the section corresponding to the part exceeding the overrun threshold value in the track height irregularity waveform is an overrun section.
6. A tunnel bottom drum condition identification device, the device comprising: The first determining module is used for determining an overrun section of the target section, wherein the overrun section is a section of the target section, and the height irregularity value of the section exceeds an overrun threshold value; the parameter acquisition module is used for acquiring track parameters of the overrun section, wherein the track parameters comprise a high-low irregularity waveform, a track direction irregularity waveform, a horizontal irregularity waveform, a triangular pit irregularity waveform, a track plate gap thickness and/or a central ditch shape; the second determining module is used for determining the space distortion form of the track plate according to the track parameters, wherein the track plate comprises a track plate of an ascending track and a track plate of a descending track; The third determining module is used for determining a tunnel bottom drum state of the overrun section according to the space distortion form, wherein the tunnel bottom drum state comprises a tunnel bottom drum range and a tunnel bottom drum action position; The second determining module is further used for determining that the space distortion form is a first form in response to the fact that the track parameters represent that the track plate of the ascending track and the track plate of the descending track have inner side height irregularity values higher than outer side height irregularity values, the track direction irregularity values are negative, the horizontal irregularity values are positive, the triangular pit irregularity waveforms change from positive to negative, the inner side gap thickness of the track plate is larger than the outer side gap thickness of the track plate and/or the central ditch is deformed in a wide upper side and a narrow lower side; the third determining module is further configured to determine that a bottom drum occurs on both sides of the tunnel in response to the spatial distortion pattern being the first pattern, where the tunnel bottom drum acts as a tunnel bottom.
7. An electronic device comprising a memory and a processor, wherein the memory is configured to store one or more computer program instructions, wherein the one or more computer program instructions are executed by the processor to implement the method of any of claims 1-5.
8. A computer readable storage medium, characterized in that the computer readable storage medium has stored therein a computer program which, when executed by a processor, implements the method according to any of claims 1-5.
9. A computer program product, characterized in that the computer program product, when run on a computer, causes the computer to perform the method according to any of claims 1-5.

Description

Tunnel bottom drum state identification method and device Technical Field The invention relates to the technical field of computers, in particular to a tunnel bottom drum state identification method and device. Background In the railway industry, determining the deformation state of the track plate and the bottom drum state of the tunnel plays an important role in analyzing the distribution range and the cause of track diseases. However, in the prior art, track geometric states are usually detected by a track detection trolley and a comprehensive detection train, deformation data of the track are obtained and are used for aspects such as track quality evaluation and the like, so that line maintenance operation is guided, deformation of a track plate and tunnel bottom drum states are not detected, and tunnel defect ranges and causes are analyzed accordingly. In other words, there is a lack of effective methods in the prior art for detecting track plate deformation and tunnel bottom drum conditions. Disclosure of Invention In view of the above, the embodiment of the invention provides a tunnel bottom drum state identification method and device, which are used for detecting the deformation state of a track plate and the tunnel bottom drum state and providing technical support for identifying a tunnel defect range, analyzing tunnel defect causes and providing a tunnel defect solution. In a first aspect, an embodiment of the present invention provides a method for identifying a status of a tunnel bottom drum, where the method includes: determining an overrun section of the target section, wherein the overrun section is a section with a height irregularity value exceeding an overrun threshold value in the target section; The track parameters of the overrun section are obtained, wherein the track parameters comprise a high-low irregularity waveform, a track direction irregularity waveform, a horizontal irregularity waveform, a triangular pit irregularity waveform, a track plate gap thickness and/or a central ditch shape; determining the space distortion form of the track plate according to the track parameters; and determining the tunnel bottom drum state of the overrun section according to the space distortion form. Optionally, the track slab includes a track slab of an ascending track and a track slab of a descending track, and determining a spatial distortion shape of the track slab according to the track parameter includes: Responding to the track parameter to represent that the inside height irregularity value of at least one side track plate is higher than the outside height irregularity value, the track direction irregularity value is negative, the horizontal irregularity value is positive, the triangular pit irregularity waveform changes from positive to negative, the thickness of the gap at the inner side of the track plate is greater than the thickness of the gap at the outer side of the track plate and/or the central ditch is in upper wide and lower narrow deformation, and determining that the space distortion shape is a first shape, a second shape or a third shape; and determining that the space distortion shape is a fourth shape, a fifth shape or a sixth shape in response to the track parameter representing that the inside height irregularity value of at least one side track plate is lower than the outside height irregularity value, the track direction irregularity value is a positive value, the horizontal irregularity value is a negative value, the triangular pit irregularity waveform changes from negative to positive, the thickness of the gap at the inner side of the track plate is smaller than the thickness of the gap at the outer side of the track plate and/or the central ditch is deformed in a narrow-top-down-width mode. Optionally, the tunnel bottom drum status includes a tunnel bottom drum range and a tunnel bottom drum action position. Optionally, determining the tunnel bottom drum range of the overrun section according to the spatial twist profile of the track plate includes: Determining that bottom drums occur on both sides of the tunnel in response to the spatial twist pattern being either the first pattern or the fourth pattern; in response to the spatially distorted configuration being the second configuration, the third configuration, the fifth configuration, or the sixth configuration, it is determined that only an uneven side of the tunnel is subject to bottom bulging. Optionally, determining the tunnel bottom drum action position of the overrun section according to the spatial distortion form of the track plate includes: Determining the tunnel bottom drum action position as the tunnel bottom in response to the spatial distortion form being the first form, the second form or the third form; And determining the tunnel bottom drum action position as a tunnel bottom leveling layer in response to the space distortion form being a fourth form, a fifth form or a sixth form. Optionally, the d