CN113064198B - Tunnel rail monitoring device based on third rail power supply and monitoring method thereof - Google Patents

Tunnel rail monitoring device based on third rail power supply and monitoring method thereof Download PDF

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CN113064198B
CN113064198B CN202110294647.XA CN202110294647A CN113064198B CN 113064198 B CN113064198 B CN 113064198B CN 202110294647 A CN202110294647 A CN 202110294647A CN 113064198 B CN113064198 B CN 113064198B
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rail
track
module
gear
monitoring
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CN113064198A (en
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贾宝新
周志扬
苑文雅
周琳立
陈浩
刘丰溥
高宗贤
刘家顺
邱岳
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Liaoning Technical University
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Liaoning Technical University
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/01Measuring or predicting earthquakes
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01VGEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V1/00Seismology; Seismic or acoustic prospecting or detecting
    • G01V1/16Receiving elements for seismic signals; Arrangements or adaptations of receiving elements
    • G01V1/18Receiving elements, e.g. seismometer, geophone or torque detectors, for localised single point measurements
    • G01V1/181Geophones

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)

Abstract

The invention discloses a tunnel rail monitoring device based on third rail power supply and a monitoring method thereof. The data receiving module includes: a broadband detector, a high-strength bolt and a high-strength nut; the moving module includes: the mobile module controller, the rotating gear and the sliding block; the track module includes: the moving rail, the gear rail, the third rail groove and the fixing anchor bolt; the third track module includes: the device comprises a contact rail, an insulating support, a clamping jaw and a bracket; the device control system includes: the system comprises a central control system, a monitoring signal system and a device control system. The invention also discloses a monitoring method based on the rail monitoring device. The device is convenient to install and use, various monitoring route plans are provided, the monitoring method can be used for mobile monitoring and fixed-point monitoring, and the device is suitable for real-time monitoring in most tunnels.

Description

Tunnel rail monitoring device based on third rail power supply and monitoring method thereof
Technical Field
The invention relates to the field of rail monitoring, in particular to a tunnel rail monitoring device based on third rail power supply and a monitoring method thereof.
Background
In the operation period of the high-speed railway, due to the influence of long-term vibration effect, the damage effect of seismic waves generated by a high-speed railway train as a seismic source on structures such as bridges and tunnels is not negligible, especially in some tunnels with poor surrounding rock conditions. The common monitoring device has low monitoring efficiency and lacks real-time performance, the monitoring range of a single monitoring device is limited, and the traditional monitoring means needs to manually arrange a large number of fixed-point monitoring devices and power supply circuits, thereby causing certain influence on the operation of the high-speed railway. Therefore, the device which is flexible to install and convenient to use and can be used for monitoring the high-speed rail seismic signals in the tunnel in a large range is needed to ensure real-time monitoring in the tunnel and improve the safety of high-speed railway operation.
Disclosure of Invention
Aiming at the defects of the monitoring device and the monitoring method, the invention provides a tunnel rail monitoring device based on third rail power supply and a monitoring method thereof. More specifically relate to signal transmission technique, signal acquisition technique, mechanical drive technique, mechanical manufacturing technique, track power supply technique, pressure sensing technique, specially adapted carries out long-term, monitoring on a large scale that the country rock is inside to be broken in the high-speed railway tunnel operation period, is applicable to the operation tunnel that has higher requirement to monitoring security, convenience: and surrounding rock crushing monitoring in the operation of the high-speed railway tunnel.
The invention is realized by the following technical scheme:
a tunnel rail monitoring device based on third rail power supply and a monitoring method thereof comprise a data receiving module, a mobile module, a rail module, a third rail module and a device control system;
the track module includes: the moving rail, the gear rail, the third rail groove and the fixing anchor bolt; the movable track is in a symmetrical T shape and consists of a plurality of sections of track sections; the gear track is fixed above the inner side of the moving track and consists of equidistant bulges; the third track grooves are distributed on two sides above the moving track, and third track modules are embedded in the third track grooves; the fixed anchor bolts are positioned on two sides of the bottom end of the movable track and penetrate through the movable track to be anchored in the tunnel lining;
the third track module, comprising: the device comprises an insulating support, a bracket, a contact rail and a clamping jaw; the insulating support is fixed on the inner side of the third track groove; the bracket is fixed below the insulating support, and a contact rail is supported above the bracket; the clamping jaws are fixed on two sides of the contact rail;
the mobile module includes: the mobile module controller, the rotating gear and the sliding block; the mobile module controllers are positioned on two sides of the mobile module, two sides of the sliding block are connected with the rotating gears, and the rotating gears are meshed with the gear tracks through gear teeth;
the data receiving module comprises: a broadband detector, a high-strength bolt and a high-strength nut; the broadband detector is connected with a high-strength bolt; the high-strength bolt penetrates through the broadband wave detector fixing plate; the high-strength nut is fixed on the data receiving module base;
the device control system comprises: the system comprises a central control system, a monitoring signal system and a device control system.
The mobile module controller comprises: the device comprises a collecting shoe, a transformer, a data transmitter, a data processor, a gear controller, a gear motor, a transmission circuit, a rotary rod controller, a pressure sensor, a rotary rod motor, a pressing rotary rod and a rotary rod baffle plate; the data transmitter is connected with the transmission circuit, receives the remote control signal and transmits the remote control signal to the data processor, and the data transmitter is connected with the high-frequency detector and transmits high-speed rail seismic signal data; the data processor is connected with the data transmitter, processes the control signal through the data processor and transmits the control signal to the gear controller, the rotary rod controller and the pressure sensor through the transmission circuit; the gear controller is connected with a gear motor, and the gear motor drives a rotating gear; the swing arm controller is connected with the swing arm motor, the swing arm motor rotates to compress the swing arm, the swing arm controller is connected with the pressure sensor at the same time, and the pressure sensor detects the pressure between the compression swing arm and the swing arm baffle.
The central control system transmits a control signal, receives the control signal and processes the control signal; the monitoring signal system receives and processes the high-speed rail seismic signal data; the device control system comprises a mobile module and a data receiving module, and controls the data receiving module and the mobile module to operate.
The movable track fixing anchor bolt and the tunnel lining drill hole are filled with epoxy bar-planting glue, the bottom surface and two sides of the movable track are bonded with the surface of the tunnel through epoxy resin glue, the movable track is composed of a plurality of sections of track sections, and the movable track joints in different directions are provided with track turnouts and track changing devices.
Gear oil is filled between the rotating gear and the gear track.
The bottom surface of the sliding block is a curved surface, the sliding block is made of a material with a small thermal expansion coefficient, the gap between the sliding block and the inner side of the moving track is smaller than 0.5mm, the shape of the curved surface is consistent, and the sliding block and the inner side of the moving track are filled with guide rail oil.
Acrylate structural adhesive is filled between the insulating support and the third track groove, and the top surface of the insulating support is semi-closed; the bracket and the contact rail are fixed below the closed top surface of the insulating support.
The contact rail is powered by 36V safe voltage, and is fixed between the insulating support and the bracket by the clamping jaws.
The device comprises a compression rotating rod, a rotating rod baffle fixing device, a pressure sensor, a data transmitter and a central control system, wherein the compression rotating rod and the rotating rod baffle fixing device are used for fixed-point monitoring, the pressure sensor is used for detecting the contact pressure between a mobile module and a track module, and the pressure sensor transmits pressure data to the central control system through the data transmitter.
A tunnel rail monitoring device based on third rail power supply and a monitoring method thereof comprise the following steps:
1) The contact rail is connected with a 36V voltage, the data receiving module is installed on the mobile module, the third rail module is installed on the rail module, and the mobile module is placed in the mobile rail;
2) The central control system transmits a control signal, the data transmitter is connected with the transmission circuit and transmits the control signal to the data processor, and the data processor processes the control signal and transmits the control signal to the gear controller, the swing rod controller and the pressure sensor through the transmission circuit;
3) The gear controller receives the control signal, so that the gear motor drives the gear to rotate, and the monitoring device moves on the moving track;
4) When fixed-point monitoring is carried out, the gear controller stops working, the monitoring device stops working, meanwhile, the swing rod controller receives a control signal, the compression swing rod rotates, the moving module is fixed on the track module through the swing rod baffle, the moving module and the moving track are mutually compressed, the pressure sensor reads a pressure value and transmits pressure data to the central control system through the data transmitter, when the pressure value meets the monitoring condition of the broadband wave detector, the central hole system sends a signal, and the swing rod controller stops working;
5) The broadband detector monitors high-speed rail seismic signal data, the high-speed rail seismic signal data are transmitted to a monitoring signal system through a transmission circuit and a data transmitter, and the monitoring signal system stores and analyzes the high-speed rail seismic signal data;
6) The central control system transmits a control signal, the rotating rod controller is connected with the control compressing rotating rod to rotate, the rotating rod baffle is separated from the track module, and the alternate measuring process is repeated.
Drawings
FIG. 1 is a diagram of a rail bound monitoring installation;
FIG. 2 is a cross-sectional view of a rail bound monitoring unit;
FIG. 3 is a schematic diagram of a mobile module controller;
FIG. 4 is a schematic view of a track module;
FIG. 5 is a schematic view of a third track module;
FIG. 6 is a schematic diagram of a mobile module;
FIG. 7 is a schematic diagram of a data receiving module;
in the figure: 1-a broadband detector; 2-high strength bolts; 3-high strength nut; 4-a data receiving module base; 5-a mobile module controller; 6-pressing the rotary rod; 7-rotating rod baffle plates; 8-a rotating gear; 9-collector shoe; 10-a gear motor; 11-an insulating support; 12-a bracket; 13-a contact rail; 14-a jaw; 15-a third track groove; 16-a gear track; 17-a moving track; 18-a fixation anchor bolt; 19-epoxy glue; 20-a transformer; 21-a data transmitter; 22-a gear controller; 23-a transmission circuit; 24-a swing lever controller; 25-a pressure sensor; 26-a rotary rod motor; 27-a data processor; 28-epoxy bar planting glue; 29-acrylate structural adhesives; 30-a central control system; 31-monitoring signal system; 32-a device control system; 33-sliding block.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the present invention relates to a tunnel rail monitoring device based on third rail power supply and a monitoring method thereof, including: the device comprises a data receiving module A, a moving module B, a track module C, a third track module D and a device control system E. The data receiving module a includes: the broadband geophone comprises a broadband geophone 1, a high-strength bolt 2 and a high-strength nut 3; the moving module B includes: a moving module controller 5, a rotating gear 8 and a sliding block 33; the track module C includes: a moving track 17, a gear track 16, a third track groove 15 and a fixing anchor bolt 18; the third track module D includes: contact rail 13, insulating support 11, jack catch 14, bracket 12; the device control system E includes: a central control system 30, a monitoring signal system 31 and a device control system 32.
The fixed anchor bolts 18 are arranged on the edges of the two sides of the movable rail 17 at equal intervals, the fixed anchor bolts 18 use special inverted cone-shaped chemical anchor bolts to ensure the anti-seismic performance of the movable rail 17 so as to reduce the influence on the monitoring of high-speed rail seismic signals, the fixed anchor bolts 18 extend into tunnel lining drill holes, epoxy rebar planting glue 28 is filled between the fixed anchor bolts 18 and the tunnel lining drill holes, room-temperature curing high-temperature-resistant epoxy resin glue is filled between the bottom surface and two sides of the movable rail 17 and between the gear rail 16 and the movable rail 17, the movable rail 17 is made of manganese steel, the movable rail 17 is arranged on the tunnel lining in a segmented mode so as to ensure the attachment of the movable rail 17 to the tunnel, and the gear rail 16 is connected with the movable rail 17 through bolts at equal intervals;
acrylate structural adhesive 29 is filled between the insulating support 11 and the third track groove 15 to fix the third track module D, acrylate structural adhesive 29 is filled between the insulating support 11 and the bracket 12, the insulating support 11 and the bracket 12 are made of SMC composite materials, and the claws 14 are symmetrically arranged along the contact rail 13 at intervals of 50 mm;
the transmission circuit 23 is wrapped by an insulating material shell, a transmission line and a control signal transmission line are arranged in the transmission circuit 23, all parts in the moving module B are fixedly connected by bolts, and the moving module controller 5 is made of steel with higher hardness and is provided with a thread groove for fixing and rotating the pressing rotary rod 6, so that the stability of the device during fixed-point monitoring is ensured;
the circuit of the broadband wave detector 1 is connected with a data transmitter 21 through a transmission circuit 23, and a groove for fixing a nut is reserved on a base of a data receiving module A;
referring to fig. 1-6, a tunnel rail monitoring device based on third rail power supply and a monitoring method thereof include the following steps:
when the device is used, a 36V voltage is connected to the contact rail 13, the data receiving module A is installed on the mobile module B, the third track module D is installed on the track module C, the mobile module B is placed in the mobile track 17, the central control system 30 transmits a control signal, the data transmitter 21 is connected with the transmission circuit 23 and transmits the control signal to the data processor 27, the data processor 27 processes the control signal and transmits the control signal to the gear controller 22, the swing rod controller 24 and the pressure sensor 25 through the transmission circuit 23, the gear controller 22 receives the control signal, the gear motor 10 drives the gear to rotate, the mobile module B moves on the track module C, when fixed-point monitoring is carried out, the gear controller 22 stops working, the mobile module B stops moving, and the swing rod controller 24 receives the control signal to rotate the compression swing rod 6, the moving module B is fixed on the track module C through the swing rod baffle 7, the moving module B and the moving track 17 are mutually pressed, the pressure sensor 25 reads a pressure value and transmits the pressure data to the central control system 30 through the data transmitter 21, when the pressure value meets the monitoring condition of the broadband wave detector 1, the central control system 30 sends a signal, the swing rod controller 24 stops working, the broadband wave detector 1 monitors high-speed rail seismic signal data, the high-speed rail seismic signal data are transmitted to the monitoring signal system 31 through the transmission circuit 23 and the data transmitter 21, the monitoring signal system 31 stores and analyzes the high-speed rail seismic signal data, the central control system 30 transmits a control signal, the swing rod controller 24 controls the pressing swing rod 6 to rotate, the swing rod baffle 7 is separated from the moving track 17, and the alternate measuring process is repeated.
Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents, which should be construed as being limited only by the scope of the claims appended hereto.

Claims (9)

1. A tunnel rail monitoring device based on third rail power supply is characterized by comprising a data receiving module (A), a moving module (B), a rail module (C), a third rail module (D) and a device control system (E);
the track module (C) comprises: a moving track (17), a gear track (16), a third track groove (15) and a fixing anchor bolt (18); the movable track (17) is in a symmetrical T shape and consists of a plurality of track sections; the gear track (16) is fixed above the inner side of the moving track (17) and consists of equidistant bulges; the third track grooves (15) are distributed on two sides above the moving track (17), and third track modules (D) are embedded in the third track grooves (15); the fixed anchor bolts (18) are positioned at two sides of the bottom end of the movable track, and the fixed anchor bolts (18) penetrate through the movable track (17) and are anchored in the tunnel lining;
-said third track module (D) comprising: the device comprises an insulating support (11), a bracket (12), a contact rail (13) and a clamping jaw (14); the insulating support (11) is fixed on the inner side of the third track groove (15); the bracket (12) is fixed below the insulating support (11), and the upper part of the bracket (12) supports the contact rail (13); the clamping jaws (14) are fixed on two sides of the contact rail;
the movement module (B) comprising: a moving module controller (5), a rotating gear (8) and a sliding block (33); the mobile module controller (5) is located on both sides of the mobile module (B), and the mobile module controller (5) includes: the device comprises collecting shoes (9), a transformer (20), a data transmitter (21), a data processor (27), a gear controller (22), a gear motor (10), a transmission circuit (23), a rotary rod controller (24), a pressure sensor (25), a rotary rod motor (26), a pressing rotary rod (6) and a rotary rod baffle (7); the collector shoes (9) are symmetrically arranged on two sides of the data receiving module base (4), the collector shoes (9) are connected with a transmission circuit (23) through a transformer (20), and the transmission circuit (23) is used for transmitting control signals and current; the data transmitter (21) is connected with the transmission circuit (23), the data transmitter (21) receives the remote control signal and transmits the remote control signal to the data processor (27), and the data transmitter (21) is connected with the broadband detector (1) and transmits seismic signal data of a high-speed rail; the data processor (27) is connected with the data transmitter (21), and the data processor (27) processes the control signal and transmits the control signal to the gear controller (22), the rotary rod controller (24) and the pressure sensor (25) through the transmission circuit (23); the gear controller (22) is connected with the gear motor (10), and the gear motor (10) drives the rotating gear (8); the rotating rod controller (24) is connected with the rotating rod motor (26), the rotating rod motor (26) rotates to press the rotating rod (6), the rotating rod controller (24) is simultaneously connected with the pressure sensor (25), and the pressure sensor (25) detects the pressure between the pressing rotating rod (6) and the rotating rod baffle (7); two sides of the sliding block (33) are connected with a rotating gear (8), and the rotating gear (8) is meshed with the gear track (16) through gear teeth;
the data receiving module (A) comprises: the broadband geophone comprises a broadband geophone (1), a high-strength bolt (2) and a high-strength nut (3); the broadband detector (1) is connected with a high-strength bolt (2); the high-strength bolt (2) penetrates through a fixing plate of the broadband detector (1); the high-strength nut (3) is fixed on the data receiving module base (4);
the device handling system (E) comprises: a central control system (30), a monitoring signal system (31) and a device control system (32).
2. A third rail power supply based tunnel rail monitoring device according to claim 1, characterized in that: the central control system (30) transmits a control signal, receives the control signal and processes the control signal; the monitoring signal system (31) receives and processes the high-speed rail seismic signal data; the device control system (32) comprises a mobile module (B) and a data receiving module (A), and the device control system (32) controls the data receiving module (A) and the mobile module (B) to operate.
3. A third rail power supply based tunnel rail monitoring device according to claim 1, characterized in that: epoxy bar-planting glue (28) is filled between the fixing anchor bolt (18) of the movable track (17) and the tunnel lining drill hole, and the bottom surface and two sides of the movable track (17) are bonded with the tunnel surface through epoxy resin glue; the movable track (17) is composed of a plurality of sections of track sections, and track turnouts and track changing devices are arranged at the joints of the movable tracks (17) in different directions.
4. A third rail power supply based tunnel rail monitoring device according to claim 1, characterized in that: gear oil is filled between the rotating gear (8) and the gear track (16).
5. A third rail power supply based tunnel rail monitoring device according to claim 1, characterized in that: the bottom surface of the sliding block (33) is a curved surface, the sliding block (33) is made of a material with a small thermal expansion coefficient, the gap between the sliding block (33) and the inner side of the moving track (17) is smaller than 0.5mm, the shape of the curved surface is consistent, and the bottom surface of the sliding block (33) and the inner side of the moving track (17) are filled with guide rail oil.
6. A third rail power supply based tunnel rail monitoring device according to claim 1, characterized in that: acrylate structural adhesive (29) is filled between the insulating support (11) and the third track groove (15), and the top surface of the insulating support (11) is semi-closed; the bracket (12) and the contact rail (13) are fixed below the closed top surface of the insulating support (11).
7. A third rail power supply based tunnel rail monitoring device according to claim 1, characterized in that: the contact rail (13) is powered by 36V safety voltage, and the contact rail (13) is fixed between the insulating support (11) and the bracket (12) by the clamping jaws (14).
8. A third rail power supply based tunnel rail monitoring device according to claim 1, characterized in that: the fixing devices of the pressing rotary rod (6) and the rotary rod baffle (7) are used for fixed-point monitoring; the pressure sensor (25) is used for detecting the contact pressure between the mobile module (B) and the track module (C), and the pressure sensor (25) transmits pressure data to the central control system (30) through the data transmitter (21).
9. A monitoring method of a third rail power supply based tunnel rail monitoring device according to any one of claims 1 to 8, comprising the following steps:
1) The contact rail (13) is connected with a 36V voltage, the data receiving module (A) is installed on the mobile module (B), the third rail module (D) is installed on the rail module (C), and the mobile module (B) is placed in the mobile rail (17);
2) The central control system (30) transmits a control signal, the data transmitter (21) is connected with the transmission circuit (23) and transmits the control signal to the data processor (27), and the data processor (27) processes the control signal and transmits the control signal to the gear controller (22), the swing rod controller (24) and the pressure sensor (25) through the transmission circuit (23);
3) The gear controller (22) receives the control signal, and the gear motor (10) drives the gear to rotate, so that the moving module (B) moves on the track module (C);
4) When fixed-point monitoring is carried out, the gear controller (22) stops working, the moving module (B) stops moving, meanwhile, the rotating rod controller (24) receives a control signal, the pressing rotating rod (6) rotates, the moving module (B) is fixed on the track module (C) through the rotating rod baffle (7), the moving module (B) and the moving track (17) are mutually pressed, the pressure sensor (25) reads a pressure value and transmits the pressure data to the central control system (30) through the data transmitter (21), when the pressure value meets the monitoring condition of the broadband wave detector (1), the central control system (30) sends a signal, and the rotating rod controller (24) stops working;
5) The broadband wave detector (1) monitors high-speed rail seismic signal data, the high-speed rail seismic signal data are transmitted to a monitoring signal system (31) through a transmission circuit (23) and a data transmitter (21), and the monitoring signal system (31) stores and analyzes the high-speed rail seismic signal data;
6) The central control system (30) transmits a control signal, the rotating rod controller (24) controls the pressing rotating rod (6) to rotate, the rotating rod baffle (7) is separated from the moving track (17), and the alternate measuring process is repeated.
CN202110294647.XA 2021-03-19 2021-03-19 Tunnel rail monitoring device based on third rail power supply and monitoring method thereof Active CN113064198B (en)

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